diff options
author | marha <marha@users.sourceforge.net> | 2010-05-16 20:50:58 +0000 |
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committer | marha <marha@users.sourceforge.net> | 2010-05-16 20:50:58 +0000 |
commit | 1c94119ae26b94a60bb2c2b33494ed43c3b8a52f (patch) | |
tree | cfe0c736c95314edac7d9f1065be9c13026ed0c1 /xorg-server/hw/xfree86/i2c | |
parent | 6b29aa4559aeb6f795caee047561654bfa0a1954 (diff) | |
download | vcxsrv-1c94119ae26b94a60bb2c2b33494ed43c3b8a52f.tar.gz vcxsrv-1c94119ae26b94a60bb2c2b33494ed43c3b8a52f.tar.bz2 vcxsrv-1c94119ae26b94a60bb2c2b33494ed43c3b8a52f.zip |
svn merge -r588:HEAD ^/branches/released .
Diffstat (limited to 'xorg-server/hw/xfree86/i2c')
-rw-r--r-- | xorg-server/hw/xfree86/i2c/bt829.c | 1490 | ||||
-rw-r--r-- | xorg-server/hw/xfree86/i2c/fi1236.c | 1210 | ||||
-rw-r--r-- | xorg-server/hw/xfree86/i2c/msp3430.c | 1452 | ||||
-rw-r--r-- | xorg-server/hw/xfree86/i2c/tda8425.c | 156 | ||||
-rw-r--r-- | xorg-server/hw/xfree86/i2c/tda9850.c | 224 | ||||
-rw-r--r-- | xorg-server/hw/xfree86/i2c/tda9885.c | 208 | ||||
-rw-r--r-- | xorg-server/hw/xfree86/i2c/uda1380.c | 366 | ||||
-rw-r--r-- | xorg-server/hw/xfree86/i2c/xf86i2c.c | 1732 |
8 files changed, 3419 insertions, 3419 deletions
diff --git a/xorg-server/hw/xfree86/i2c/bt829.c b/xorg-server/hw/xfree86/i2c/bt829.c index 3963ecf47..64c711681 100644 --- a/xorg-server/hw/xfree86/i2c/bt829.c +++ b/xorg-server/hw/xfree86/i2c/bt829.c @@ -1,745 +1,745 @@ -/* TODO: clean up/fix CC code */ - -#ifdef HAVE_XORG_CONFIG_H -#include <xorg-config.h> -#endif - -#include <stdlib.h> -#include <string.h> -#include <stdio.h> - -#include "xf86.h" -#include "xf86i2c.h" -#include "bt829.h" -#include "i2c_def.h" - -/* Changing the following settings (especially VCROP) may */ -/* require modifying code that calls this driver. */ -#define HCROP 0 /* amount to crop from the left and right edges */ -#define VCROP 0 /* amount to crop from the top and bottom edges */ - -#define BTVERSION (bt->id>>4) - -#define H(X) ( ((X)>>8) & 0xFF ) -#define L(X) ( (X) & 0xFF ) - -#define LIMIT(X,A,B) (((X)<(A)) ? (A) : ((X)>(B)) ? (B) : (X) ) - -/* Bt829 family chip ID's */ -#define BT815 0x02 -#define BT817 0x06 -#define BT819 0x07 -#define BT827 0x0C -#define BT829 0x0E - -/* Bt829 registers */ -#define STATUS 0x00 /* Device Status */ -#define IFORM 0x01 /* Input Format */ -#define TDEC 0x02 /* Temporal Decimation */ -#define CROP 0x03 /* MSB Cropping */ -#define VDELAY_LO 0x04 /* Vertical Delay */ -#define VACTIVE_LO 0x05 /* Vertical Active */ -#define HDELAY_LO 0x06 /* Horizontal Delay */ -#define HACTIVE_LO 0x07 /* Horizontal Active */ -#define HSCALE_HI 0x08 /* Horizontal Scaling */ -#define HSCALE_LO 0x09 /* Horizontal Scaling */ -#define BRIGHT 0x0A /* Brightness Control */ -#define CONTROL 0x0B /* Miscellaneous Control */ -#define CONTRAST_LO 0x0C /* Luma Gain (Contrast) */ -#define SAT_U_LO 0x0D /* Chroma (U) Gain (Saturation) */ -#define SAT_V_LO 0x0E /* Chroma (V) Gain (Saturation) */ -#define HUE 0x0F /* Hue Control */ -#define SCLOOP 0x10 /* SC Loop Control */ -#define WC_UP 0x11 /* White Crush Up Count */ -#define OFORM 0x12 /* Output Format */ -#define VSCALE_HI 0x13 /* Vertical Scaling */ -#define VSCALE_LO 0x14 /* Vertical Scaling */ -#define TEST 0x15 /* Test Control */ -#define VPOLE 0x16 /* Video Timing Polarity */ -#define IDCODE 0x17 /* ID Code */ -#define ADELAY 0x18 /* AGC Delay */ -#define BDELAY 0x19 /* Burst Gate Delay */ -#define ADC 0x1A /* ADC Interface */ -#define VTC 0x1B /* Video Timing Control */ -#define CC_STATUS 0x1C /* Extended Data Services/Closed Capt Status */ -#define CC_DATA 0x1D /* Extended Data Services/Closed Capt Data */ -#define WC_DN 0x1E /* White Crush Down Count */ -#define SRESET 0x1F /* Software Reset */ -#define P_IO 0x3F /* Programmable I/O */ - -static CARD8 btread(BT829Ptr bt, CARD8 reg) -{ - CARD8 v; - - I2C_WriteRead(&(bt->d), ®, 1, &v, 1); - - return v; -} - -static void btwrite(BT829Ptr bt, CARD8 reg, CARD8 val) -{ - CARD8 data[2]; - - data[0] = reg; - data[1] = val; - I2C_WriteRead(&(bt->d), data, 2, NULL, 0); -} - -/* - * Register access - */ -static void btwrite_status(BT829Ptr bt) /* STATUS */ -{ - btwrite(bt, STATUS, 0x00); /* clear */ -} - -static void btwrite_iform(BT829Ptr bt) /* IFORM */ -{ - int xtsel; - - switch (bt->format) { - case BT829_NTSC: - case BT829_NTSC_JAPAN: - case BT829_PAL_M: - case BT829_PAL_N_COMB: /* gatos says xtsel = 2 */ - xtsel = 1; - break; - case BT829_PAL: - case BT829_PAL_N: - case BT829_SECAM: - xtsel = 2; - break; - default: /* shouldn't get here */ - xtsel = 3; /* hardware default */ - break; - } - - btwrite(bt, IFORM, (bt->mux<<5) | (xtsel<<3) | bt->format); -} - -static void btwrite_tdec(BT829Ptr bt) /* TDEC */ -{ - /* use default */ -} - -static void btwrite_crop(BT829Ptr bt) /* CROP */ -{ - btwrite(bt, CROP, (H(bt->vdelay)<<6) | (H(bt->vactive)<<4) | - (H(bt->hdelay)<<2) | H(bt->width)); -} - -static void btwrite_vdelay_lo(BT829Ptr bt) /* VDELAY_LO */ -{ - btwrite(bt, VDELAY_LO, L(bt->vdelay)); -} - -static void btwrite_vactive_lo(BT829Ptr bt) /* VACTIVE_LO */ -{ - btwrite(bt, VACTIVE_LO, L(bt->vactive)); -} - -static void btwrite_hdelay_lo(BT829Ptr bt) /* HDELAY_LO */ -{ - btwrite(bt, HDELAY_LO, L(bt->hdelay)); -} - -static void btwrite_hactive_lo(BT829Ptr bt) /* HACTIVE_LO */ -{ - btwrite(bt, HACTIVE_LO, L(bt->width)); -} - -static void btwrite_hscale_hi(BT829Ptr bt) /* HSCALE_HI */ -{ - btwrite(bt, HSCALE_HI, H(bt->hscale)); -} - -static void btwrite_hscale_lo(BT829Ptr bt) /* HSCALE_LO */ -{ - btwrite(bt, HSCALE_LO, L(bt->hscale)); -} - -static void btwrite_bright(BT829Ptr bt) /* BRIGHT */ -{ - btwrite(bt, BRIGHT, bt->brightness); -} - -static void btwrite_control(BT829Ptr bt) /* CONTROL */ -{ - int ldec; - - /* The data sheet says ldec should always be 0 for SECAM */ - /* but the picture quality is better with ldec = 1 */ - ldec = (bt->width > 360); /* gatos says 384 */ - - btwrite(bt, CONTROL, - ((bt->mux==bt->svideo_mux) ? 0xC0:0x00) | /* LNOTCH and COMP */ - (ldec<<5) | (H(bt->contrast)<<2) | (H(bt->sat_u)<<1) | H(bt->sat_v)); -} - -static void btwrite_contrast_lo(BT829Ptr bt) /* CONTRAST_LO */ -{ - btwrite(bt, CONTRAST_LO, L(bt->contrast)); -} - -static void btwrite_sat_u_lo(BT829Ptr bt) /* SAT_U_LO */ -{ - btwrite(bt, SAT_U_LO, L(bt->sat_u)); -} - -static void btwrite_sat_v_lo(BT829Ptr bt) /* SAT_V_LO */ -{ - btwrite(bt, SAT_V_LO, L(bt->sat_v)); -} - -static void btwrite_hue(BT829Ptr bt) /* HUE */ -{ - btwrite(bt, HUE, bt->hue); -} - -static void btwrite_scloop(BT829Ptr bt) /* SCLOOP */ -{ - if (BTVERSION >= BT827) { - btwrite(bt, SCLOOP, - (bt->format==BT829_SECAM) ? 0x10:0x00 /* QCIF or AUTO */ - ); - } -} - -static void btwrite_wc_up(BT829Ptr bt) /* WC_UP */ -{ - if (BTVERSION >= BT827) { - /* use default */ - } -} - -static void btwrite_oform(BT829Ptr bt) /* OFORM */ -{ - btwrite(bt, OFORM, (bt->code<<3) | (bt->len<<2) | - 0x02 /* RANGE = 0, CORE = 0, VBI_FRAME = 0, OES = 2 (default) */ - ); -} - -static void btwrite_vscale_hi(BT829Ptr bt) /* VSCALE_HI */ -{ - btwrite(bt, VSCALE_HI, H(bt->vscale) | - 0x60 /* YCOMB = 0, COMB = 1, INT = 1 (default) */ - ); -} - -static void btwrite_vscale_lo(BT829Ptr bt) /* VSCALE_LO */ -{ - btwrite(bt, VSCALE_LO, L(bt->vscale)); -} - -/* TEST should not be written to */ - -static void btwrite_vpole(BT829Ptr bt) /* VPOLE */ -{ - btwrite(bt, VPOLE, (bt->out_en<<7)); -} - -/* IDCODE is read only */ - -static void btwrite_adelay(BT829Ptr bt) /* ADELAY */ -{ - switch (bt->format) { - case BT829_NTSC: - case BT829_NTSC_JAPAN: - case BT829_PAL_M: - btwrite(bt, ADELAY, 104); - break; - case BT829_PAL: - case BT829_PAL_N: - case BT829_SECAM: - case BT829_PAL_N_COMB: - btwrite(bt, ADELAY, 127); - break; - default: /* shouldn't get here */ - btwrite(bt, ADELAY, 104); /* hardware default */ - break; - } -} - -static void btwrite_bdelay(BT829Ptr bt) /* BDELAY */ -{ - switch (bt->format) { - case BT829_NTSC: - case BT829_NTSC_JAPAN: - case BT829_PAL_M: - btwrite(bt, BDELAY, 93); - break; - case BT829_PAL: - case BT829_PAL_N: - case BT829_PAL_N_COMB: - btwrite(bt, BDELAY, 114); - break; - case BT829_SECAM: - btwrite(bt, BDELAY, 160); - break; - default: /* shouldn't get here */ - btwrite(bt, BDELAY, 93); /* hardware default */ - break; - } -} - -static void btwrite_adc(BT829Ptr bt) /* ADC */ -{ - btwrite(bt, ADC, bt->mux==bt->svideo_mux ? 0x80:0x82); /* CSLEEP = 0 or 1 */ -} - -static void btwrite_vtc(BT829Ptr bt) /* VTC */ -{ - int vfilt = 0; /* hardware default */ - - if (BTVERSION > BT827) { /* gatos says >= BT827 */ - switch (bt->format) { - case BT829_NTSC: - case BT829_NTSC_JAPAN: - case BT829_PAL_M: - case BT829_PAL_N_COMB: /* gatos groups with BT829_PAL */ - if (bt->width <= 360) vfilt = 1; /* gatos says <= 240 */ - if (bt->width <= 180) vfilt = 2; /* gatos says <= 120 */ - if (bt->width <= 90) vfilt = 3; /* gatos says <= 60 */ - break; - case BT829_PAL: - case BT829_PAL_N: - case BT829_SECAM: - if (bt->width <= 384) vfilt = 1; - if (bt->width <= 192) vfilt = 2; - if (bt->width<= 96) vfilt = 3; - break; - default: /* shouldn't get here */ - break; /* use hardware default */ - } - btwrite(bt, VTC, (bt->vbien<<4) | (bt->vbifmt<<3) | vfilt); - } -} - -static void btwrite_cc_status(BT829Ptr bt) /* CC_STATUS */ -{ /* FIXME: ATI specific */ - if (BTVERSION >= BT827) { - if (bt->ccmode == 0) btwrite(bt, CC_STATUS, 0x00); - /* 0x40 is activate to set the CCVALID line. Not required yet */ - else btwrite(bt, CC_STATUS, (bt->ccmode<<4) | 0x40); - } -} - -/* CC_DATA is read only */ - -static void btwrite_wc_dn(BT829Ptr bt) /* WC_DN */ -{ - if (BTVERSION >= BT827) { - /* use default */ - } -} - -static void bt_reset(BT829Ptr bt) { /* SRESET */ - btwrite(bt, SRESET, 0x0); /* Reset all registers */ -} - -static void btwrite_p_io(BT829Ptr bt) /* P_IO */ -{ - if (BTVERSION >= BT827) { - btwrite(bt, P_IO, bt->p_io); - } -} - -/* - * Deal with dependencies - */ -static void propagate_changes(BT829Ptr bt) -{ - CARD16 hdelay, unscaled_hdelay, vdelay, hscale, vscale; - int htotal, vactive; - - switch (bt->format) { - case BT829_NTSC: - case BT829_NTSC_JAPAN: - case BT829_PAL_M: - vdelay = 22; - htotal = 754; - vactive = 480; - unscaled_hdelay = 135; - break; - case BT829_PAL: - case BT829_PAL_N: - vdelay = (bt->tunertype==5) ? 34 : 22; - htotal = 922; - vactive = 576; - unscaled_hdelay = 186; - break; - case BT829_SECAM: - vdelay = 34; - htotal = 922; - vactive = 576; - unscaled_hdelay = 186; - break; - case BT829_PAL_N_COMB: - vdelay = (bt->tunertype==5) ? 34 : 22; /* windows says 22 */ - htotal = 754; /* gatos and windows say 922 */ - vactive = 576; - unscaled_hdelay = 135; /* gatos and windows say 186 */ - break; - default: /* shouldn't get here */ - vdelay = 22; /* hardware default */ - htotal = 754; - vactive = 480; /* hardware default */ - unscaled_hdelay = 135; - break; - } - - bt->htotal = htotal; /* Used for error checking in bt829_SetCaptSize */ - - hscale = 4096 * htotal / (bt->width + 2 * HCROP)-4096; - hdelay = ( - HCROP + (bt->width + 2 * HCROP) * unscaled_hdelay / htotal - ) & 0x3FE; - - vactive = vactive - 2 * VCROP; - vdelay = vdelay + VCROP; - vscale = (0x10000 - (512*vactive/bt->height-512)) & 0x1FFF; - - if ((hdelay != bt->hdelay) || (vdelay != bt->vdelay) || - (vactive != bt->vactive) || (hscale != bt->hscale) || - (vscale != bt->vscale)) { - bt->hdelay = hdelay; - bt->vdelay = vdelay; - bt->vactive = vactive; - bt->hscale = hscale; - bt->vscale = vscale; - btwrite_crop(bt); - btwrite_vdelay_lo(bt); - btwrite_vactive_lo(bt); - btwrite_hdelay_lo(bt); - btwrite_hscale_hi(bt); - btwrite_hscale_lo(bt); - btwrite_control(bt); - btwrite_vscale_hi(bt); - btwrite_vscale_lo(bt); - } -} - -static void write_all(BT829Ptr bt) -{ - bt_reset(bt); - propagate_changes(bt); /* ensure consistency */ - btwrite_iform(bt); - btwrite_tdec(bt); - btwrite_crop(bt); - btwrite_vdelay_lo(bt); - btwrite_vactive_lo(bt); - btwrite_hdelay_lo(bt); - btwrite_hactive_lo(bt); - btwrite_hscale_hi(bt); - btwrite_hscale_lo(bt); - btwrite_bright(bt); - btwrite_control(bt); - btwrite_contrast_lo(bt); - btwrite_sat_u_lo(bt); - btwrite_sat_v_lo(bt); - btwrite_hue(bt); - btwrite_scloop(bt); - btwrite_wc_up(bt); - btwrite_oform(bt); - btwrite_vscale_hi(bt); - btwrite_vscale_lo(bt); - btwrite_vpole(bt); - btwrite_adelay(bt); - btwrite_bdelay(bt); - btwrite_adc(bt); - btwrite_vtc(bt); -/* btwrite_cc_status(bt); */ /* FIXME: CC code needs cleaning */ - btwrite_wc_dn(bt); - btwrite_p_io(bt); -} - -/* - * Public functions - */ -BT829Ptr bt829_Detect(I2CBusPtr b, I2CSlaveAddr addr) -{ - BT829Ptr bt; - I2CByte a; - - bt = xcalloc(1, sizeof(BT829Rec)); - if(bt == NULL) return NULL; - bt->d.DevName = strdup("BT829 video decoder"); - bt->d.SlaveAddr = addr; - bt->d.pI2CBus = b; - bt->d.NextDev = NULL; - bt->d.StartTimeout = b->StartTimeout; - bt->d.BitTimeout = b->BitTimeout; - bt->d.AcknTimeout = b->AcknTimeout; - bt->d.ByteTimeout = b->ByteTimeout; - - - if(!I2C_WriteRead(&(bt->d), NULL, 0, &a, 1)) - { - free(bt); - return NULL; - } - - bt->id = btread(bt,IDCODE); - - free(bt->d.DevName); - bt->d.DevName = xcalloc(200, sizeof(char)); - switch(BTVERSION){ - case BT815: - sprintf(bt->d.DevName, "bt815a video decoder, revision %d",bt->id & 0xf); - break; - case BT817: - sprintf(bt->d.DevName, "bt817a video decoder, revision %d",bt->id & 0xf); - break; - case BT819: - sprintf(bt->d.DevName, "bt819a video decoder, revision %d",bt->id & 0xf); - break; - case BT827: - sprintf(bt->d.DevName, "bt827a/b video decoder, revision %d",bt->id & 0xf); - break; - case BT829: - sprintf(bt->d.DevName, "bt829a/b video decoder, revision %d",bt->id & 0xf); - break; - default: - sprintf(bt->d.DevName, "bt8xx/unknown video decoder version %d, revision %d",bt->id >> 4,bt->id & 0xf); - break; - } - - /* set default parameters */ - if(!I2CDevInit(&(bt->d))) - { - free(bt); - return NULL; - } - - bt->tunertype = 1; - - bt->brightness = 0; /* hardware default */ - bt->ccmode = 0; - bt->code = 0; /* hardware default */ - bt->contrast = 216; /* hardware default */ - bt->format = BT829_NTSC; - bt->height = 480; /* hardware default for vactive */ - bt->hue = 0; /* hardware default */ - bt->len = 1; /* hardware default */ - bt->mux = BT829_MUX0; /* hardware default */ - bt->out_en = 0; /* hardware default */ - bt->p_io = 0; /* hardware default */ - bt->sat_u = 254; /* hardware default */ - bt->sat_v = 180; /* hardware default */ - bt->vbien = 0; /* hardware default */ - bt->vbifmt = 0; /* hardware default */ - bt->width = 640; /* hardware default for hactive */ - - bt->hdelay = 120; /* hardware default */ - bt->hscale = 684; /* hardware default */ - bt->vactive = 480; /* hardware default */ - bt->vdelay = 22; /* hardware default */ - bt->vscale = 0; /* hardware default */ - - bt->htotal = 754; /* NTSC */ - bt->svideo_mux = 0; /* no s-video */ - - return bt; -} - -int bt829_ATIInit(BT829Ptr bt) -{ - bt->code = 1; - bt->len = 0; - bt->vbien = 1; - bt->vbifmt = 1; - bt->svideo_mux = BT829_MUX1; - - write_all (bt); - - return 0; -} - -int bt829_SetFormat(BT829Ptr bt, CARD8 format) -{ - if ((format < 1) || (format > 7)) return -1; - if ((BTVERSION <= BT819) && - (format != BT829_NTSC) && (format != BT829_PAL)) return -1; - if (format == bt->format) return 0; - bt->format = format; - propagate_changes(bt); - btwrite_iform(bt); - btwrite_scloop(bt); - btwrite_adelay(bt); - btwrite_bdelay(bt); - btwrite_vtc(bt); - return 0; -} - -int bt829_SetMux(BT829Ptr bt, CARD8 mux) -{ - if ((mux < 1) || (mux > 3)) return -1; - if (mux == bt->mux) return 0; - bt->mux = mux; - /* propagate_changes(bt); */ /* no dependencies */ - btwrite_iform(bt); - btwrite_control(bt); - btwrite_adc(bt); - return 0; -} - -void bt829_SetBrightness(BT829Ptr bt, int brightness) -{ - brightness = LIMIT(brightness,-1000,999); /* ensure -128 <= brightness <= 127 below */ - brightness = (128*brightness)/1000; - if (brightness == bt->brightness) return; - bt->brightness = brightness; - /* propagate_changes(bt); */ /* no dependencies */ - btwrite_bright(bt); -} - -void bt829_SetContrast(BT829Ptr bt, int contrast) -{ - contrast = LIMIT(contrast,-1000,1000); - contrast = (216*(contrast+1000))/1000; - if (contrast == bt->contrast) return; - bt->contrast = contrast; - /* propagate_changes(bt); */ /* no dependencies */ - btwrite_control(bt); - btwrite_contrast_lo(bt); -} - -void bt829_SetSaturation(BT829Ptr bt, int saturation) -{ - CARD16 sat_u, sat_v; - - saturation = LIMIT(saturation,-1000,1000); - sat_u = (254*(saturation+1000))/1000; - sat_v = (180*(saturation+1000))/1000; - if ((sat_u == bt->sat_u) && (sat_v == bt->sat_v)) return; - bt->sat_u = sat_u; - bt->sat_v = sat_v; - /* propagate_changes(bt); */ /* no dependencies */ - btwrite_control(bt); - btwrite_sat_u_lo(bt); - btwrite_sat_v_lo(bt); -} - -void bt829_SetTint(BT829Ptr bt, int hue) -{ - hue = LIMIT(hue,-1000,999); /* ensure -128 <= hue <= 127 below */ - hue = (128*hue)/1000; - if (hue == bt->hue) return; - bt->hue = hue; - /* propagate_changes(bt); */ /* no dependencies */ - btwrite_hue(bt); -} - -int bt829_SetCaptSize(BT829Ptr bt, int width, int height) -{ - if ((width > bt->htotal - 2 * HCROP) || - (16 * width < bt->htotal - 32 * HCROP)) return -1; - if ((height > bt->vactive) || (16 * height < bt->vactive)) return -1; - if ((width == bt->width) && (height == bt->height)) return 0; - bt->width = width; - bt->height = height; - propagate_changes(bt); - btwrite_crop(bt); - btwrite_hactive_lo(bt); - btwrite_control(bt); - btwrite_vtc(bt); - return 0; -} - -int bt829_SetCC(BT829Ptr bt) /* FIXME: should take ccmode as a parameter */ -{ - if (BTVERSION < BT827) return -1; /* can't do it */ - /* propagate_changes(bt); */ /* no dependencies */ - btwrite_cc_status(bt); - /* we write to STATUS to reset the CCVALID flag */ - if (bt->ccmode != 0) btwrite_status(bt); - return 0; -} - -void bt829_SetOUT_EN(BT829Ptr bt, BOOL out_en) -{ - out_en = (out_en != 0); - if (out_en == bt->out_en) return; - bt->out_en = out_en; - /* propagate_changes(bt); */ /* no dependencies */ - btwrite_vpole(bt); -} - -void bt829_SetP_IO(BT829Ptr bt, CARD8 p_io) -{ - if (p_io == bt->p_io) return; - bt->p_io = p_io; - /* propagate_changes(bt); */ /* no dependencies */ - btwrite_p_io(bt); -} - -#define BTREAD(R) btread(bt,(R)) - -#if 0 - -void bt829_getCCdata(BT829Ptr bt,struct CCdata *data) -{ - CARD8 status; - data->num_valid=0; - /* wait for buffer to be half full (means 8/16 bytes) - * either 4 (one of CC/EDS) or 2 (both CC/EDS) frames */ - if(!(BTREAD(STATUS)&0x04)) return; /* could comment this line */ - for(;data->num_valid<CC_FIFO_SIZE;data->num_valid++) { - status=BTREAD(CC_STATUS); - if(!(status&0x04)) break; - data->data[data->num_valid]= BTREAD(CC_DATA)&0x7f; - /* stripped high bit (parity) */ - data->status[data->num_valid]= (CCS_EDS*((status&0x02)>>1)) | - (CCS_HIGH*(status&0x01)) | - (CCS_OVER*((status&0x08)>>3)) | - (CCS_PAR*((status&0x80)>>7)) ; } - btwrite(bt,STATUS,0x00); /* Reset CCVALID status bit */ - return; -} - -#endif - -/* ------------------------------------------------------------------------ */ -/* Debug and report routines */ - -#define DUMPREG(REG) \ - xf86DrvMsg(bt->d.pI2CBus->scrnIndex,X_INFO," %-12s (0x%02X) = 0x%02X\n", \ - #REG,REG,BTREAD(REG)) - -/*static void bt829_dumpregs(BT829Ptr bt) -{ - DUMPREG(STATUS); - DUMPREG(IFORM); - DUMPREG(TDEC); - DUMPREG(CROP); - DUMPREG(VDELAY_LO); - DUMPREG(VACTIVE_LO); - DUMPREG(HDELAY_LO); - DUMPREG(HACTIVE_LO); - DUMPREG(HSCALE_HI); - DUMPREG(HSCALE_LO); - DUMPREG(BRIGHT); - DUMPREG(CONTROL); - DUMPREG(CONTRAST_LO); - DUMPREG(SAT_U_LO); - DUMPREG(SAT_V_LO); - DUMPREG(HUE); - if (BTVERSION >= BT827) { - DUMPREG(SCLOOP); - DUMPREG(WC_UP) ; } - DUMPREG(OFORM); - DUMPREG(VSCALE_HI); - DUMPREG(VSCALE_LO); - DUMPREG(TEST); - DUMPREG(VPOLE); - DUMPREG(IDCODE); - DUMPREG(ADELAY); - DUMPREG(BDELAY); - DUMPREG(ADC); - if (BTVERSION >= BT827) { - DUMPREG(VTC); - DUMPREG(CC_STATUS); - DUMPREG(CC_DATA); - DUMPREG(WC_DN); - DUMPREG(P_IO) ; } -}*/ +/* TODO: clean up/fix CC code */
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+
+#include "xf86.h"
+#include "xf86i2c.h"
+#include "bt829.h"
+#include "i2c_def.h"
+
+/* Changing the following settings (especially VCROP) may */
+/* require modifying code that calls this driver. */
+#define HCROP 0 /* amount to crop from the left and right edges */
+#define VCROP 0 /* amount to crop from the top and bottom edges */
+
+#define BTVERSION (bt->id>>4)
+
+#define H(X) ( ((X)>>8) & 0xFF )
+#define L(X) ( (X) & 0xFF )
+
+#define LIMIT(X,A,B) (((X)<(A)) ? (A) : ((X)>(B)) ? (B) : (X) )
+
+/* Bt829 family chip ID's */
+#define BT815 0x02
+#define BT817 0x06
+#define BT819 0x07
+#define BT827 0x0C
+#define BT829 0x0E
+
+/* Bt829 registers */
+#define STATUS 0x00 /* Device Status */
+#define IFORM 0x01 /* Input Format */
+#define TDEC 0x02 /* Temporal Decimation */
+#define CROP 0x03 /* MSB Cropping */
+#define VDELAY_LO 0x04 /* Vertical Delay */
+#define VACTIVE_LO 0x05 /* Vertical Active */
+#define HDELAY_LO 0x06 /* Horizontal Delay */
+#define HACTIVE_LO 0x07 /* Horizontal Active */
+#define HSCALE_HI 0x08 /* Horizontal Scaling */
+#define HSCALE_LO 0x09 /* Horizontal Scaling */
+#define BRIGHT 0x0A /* Brightness Control */
+#define CONTROL 0x0B /* Miscellaneous Control */
+#define CONTRAST_LO 0x0C /* Luma Gain (Contrast) */
+#define SAT_U_LO 0x0D /* Chroma (U) Gain (Saturation) */
+#define SAT_V_LO 0x0E /* Chroma (V) Gain (Saturation) */
+#define HUE 0x0F /* Hue Control */
+#define SCLOOP 0x10 /* SC Loop Control */
+#define WC_UP 0x11 /* White Crush Up Count */
+#define OFORM 0x12 /* Output Format */
+#define VSCALE_HI 0x13 /* Vertical Scaling */
+#define VSCALE_LO 0x14 /* Vertical Scaling */
+#define TEST 0x15 /* Test Control */
+#define VPOLE 0x16 /* Video Timing Polarity */
+#define IDCODE 0x17 /* ID Code */
+#define ADELAY 0x18 /* AGC Delay */
+#define BDELAY 0x19 /* Burst Gate Delay */
+#define ADC 0x1A /* ADC Interface */
+#define VTC 0x1B /* Video Timing Control */
+#define CC_STATUS 0x1C /* Extended Data Services/Closed Capt Status */
+#define CC_DATA 0x1D /* Extended Data Services/Closed Capt Data */
+#define WC_DN 0x1E /* White Crush Down Count */
+#define SRESET 0x1F /* Software Reset */
+#define P_IO 0x3F /* Programmable I/O */
+
+static CARD8 btread(BT829Ptr bt, CARD8 reg)
+{
+ CARD8 v;
+
+ I2C_WriteRead(&(bt->d), ®, 1, &v, 1);
+
+ return v;
+}
+
+static void btwrite(BT829Ptr bt, CARD8 reg, CARD8 val)
+{
+ CARD8 data[2];
+
+ data[0] = reg;
+ data[1] = val;
+ I2C_WriteRead(&(bt->d), data, 2, NULL, 0);
+}
+
+/*
+ * Register access
+ */
+static void btwrite_status(BT829Ptr bt) /* STATUS */
+{
+ btwrite(bt, STATUS, 0x00); /* clear */
+}
+
+static void btwrite_iform(BT829Ptr bt) /* IFORM */
+{
+ int xtsel;
+
+ switch (bt->format) {
+ case BT829_NTSC:
+ case BT829_NTSC_JAPAN:
+ case BT829_PAL_M:
+ case BT829_PAL_N_COMB: /* gatos says xtsel = 2 */
+ xtsel = 1;
+ break;
+ case BT829_PAL:
+ case BT829_PAL_N:
+ case BT829_SECAM:
+ xtsel = 2;
+ break;
+ default: /* shouldn't get here */
+ xtsel = 3; /* hardware default */
+ break;
+ }
+
+ btwrite(bt, IFORM, (bt->mux<<5) | (xtsel<<3) | bt->format);
+}
+
+static void btwrite_tdec(BT829Ptr bt) /* TDEC */
+{
+ /* use default */
+}
+
+static void btwrite_crop(BT829Ptr bt) /* CROP */
+{
+ btwrite(bt, CROP, (H(bt->vdelay)<<6) | (H(bt->vactive)<<4) |
+ (H(bt->hdelay)<<2) | H(bt->width));
+}
+
+static void btwrite_vdelay_lo(BT829Ptr bt) /* VDELAY_LO */
+{
+ btwrite(bt, VDELAY_LO, L(bt->vdelay));
+}
+
+static void btwrite_vactive_lo(BT829Ptr bt) /* VACTIVE_LO */
+{
+ btwrite(bt, VACTIVE_LO, L(bt->vactive));
+}
+
+static void btwrite_hdelay_lo(BT829Ptr bt) /* HDELAY_LO */
+{
+ btwrite(bt, HDELAY_LO, L(bt->hdelay));
+}
+
+static void btwrite_hactive_lo(BT829Ptr bt) /* HACTIVE_LO */
+{
+ btwrite(bt, HACTIVE_LO, L(bt->width));
+}
+
+static void btwrite_hscale_hi(BT829Ptr bt) /* HSCALE_HI */
+{
+ btwrite(bt, HSCALE_HI, H(bt->hscale));
+}
+
+static void btwrite_hscale_lo(BT829Ptr bt) /* HSCALE_LO */
+{
+ btwrite(bt, HSCALE_LO, L(bt->hscale));
+}
+
+static void btwrite_bright(BT829Ptr bt) /* BRIGHT */
+{
+ btwrite(bt, BRIGHT, bt->brightness);
+}
+
+static void btwrite_control(BT829Ptr bt) /* CONTROL */
+{
+ int ldec;
+
+ /* The data sheet says ldec should always be 0 for SECAM */
+ /* but the picture quality is better with ldec = 1 */
+ ldec = (bt->width > 360); /* gatos says 384 */
+
+ btwrite(bt, CONTROL,
+ ((bt->mux==bt->svideo_mux) ? 0xC0:0x00) | /* LNOTCH and COMP */
+ (ldec<<5) | (H(bt->contrast)<<2) | (H(bt->sat_u)<<1) | H(bt->sat_v));
+}
+
+static void btwrite_contrast_lo(BT829Ptr bt) /* CONTRAST_LO */
+{
+ btwrite(bt, CONTRAST_LO, L(bt->contrast));
+}
+
+static void btwrite_sat_u_lo(BT829Ptr bt) /* SAT_U_LO */
+{
+ btwrite(bt, SAT_U_LO, L(bt->sat_u));
+}
+
+static void btwrite_sat_v_lo(BT829Ptr bt) /* SAT_V_LO */
+{
+ btwrite(bt, SAT_V_LO, L(bt->sat_v));
+}
+
+static void btwrite_hue(BT829Ptr bt) /* HUE */
+{
+ btwrite(bt, HUE, bt->hue);
+}
+
+static void btwrite_scloop(BT829Ptr bt) /* SCLOOP */
+{
+ if (BTVERSION >= BT827) {
+ btwrite(bt, SCLOOP,
+ (bt->format==BT829_SECAM) ? 0x10:0x00 /* QCIF or AUTO */
+ );
+ }
+}
+
+static void btwrite_wc_up(BT829Ptr bt) /* WC_UP */
+{
+ if (BTVERSION >= BT827) {
+ /* use default */
+ }
+}
+
+static void btwrite_oform(BT829Ptr bt) /* OFORM */
+{
+ btwrite(bt, OFORM, (bt->code<<3) | (bt->len<<2) |
+ 0x02 /* RANGE = 0, CORE = 0, VBI_FRAME = 0, OES = 2 (default) */
+ );
+}
+
+static void btwrite_vscale_hi(BT829Ptr bt) /* VSCALE_HI */
+{
+ btwrite(bt, VSCALE_HI, H(bt->vscale) |
+ 0x60 /* YCOMB = 0, COMB = 1, INT = 1 (default) */
+ );
+}
+
+static void btwrite_vscale_lo(BT829Ptr bt) /* VSCALE_LO */
+{
+ btwrite(bt, VSCALE_LO, L(bt->vscale));
+}
+
+/* TEST should not be written to */
+
+static void btwrite_vpole(BT829Ptr bt) /* VPOLE */
+{
+ btwrite(bt, VPOLE, (bt->out_en<<7));
+}
+
+/* IDCODE is read only */
+
+static void btwrite_adelay(BT829Ptr bt) /* ADELAY */
+{
+ switch (bt->format) {
+ case BT829_NTSC:
+ case BT829_NTSC_JAPAN:
+ case BT829_PAL_M:
+ btwrite(bt, ADELAY, 104);
+ break;
+ case BT829_PAL:
+ case BT829_PAL_N:
+ case BT829_SECAM:
+ case BT829_PAL_N_COMB:
+ btwrite(bt, ADELAY, 127);
+ break;
+ default: /* shouldn't get here */
+ btwrite(bt, ADELAY, 104); /* hardware default */
+ break;
+ }
+}
+
+static void btwrite_bdelay(BT829Ptr bt) /* BDELAY */
+{
+ switch (bt->format) {
+ case BT829_NTSC:
+ case BT829_NTSC_JAPAN:
+ case BT829_PAL_M:
+ btwrite(bt, BDELAY, 93);
+ break;
+ case BT829_PAL:
+ case BT829_PAL_N:
+ case BT829_PAL_N_COMB:
+ btwrite(bt, BDELAY, 114);
+ break;
+ case BT829_SECAM:
+ btwrite(bt, BDELAY, 160);
+ break;
+ default: /* shouldn't get here */
+ btwrite(bt, BDELAY, 93); /* hardware default */
+ break;
+ }
+}
+
+static void btwrite_adc(BT829Ptr bt) /* ADC */
+{
+ btwrite(bt, ADC, bt->mux==bt->svideo_mux ? 0x80:0x82); /* CSLEEP = 0 or 1 */
+}
+
+static void btwrite_vtc(BT829Ptr bt) /* VTC */
+{
+ int vfilt = 0; /* hardware default */
+
+ if (BTVERSION > BT827) { /* gatos says >= BT827 */
+ switch (bt->format) {
+ case BT829_NTSC:
+ case BT829_NTSC_JAPAN:
+ case BT829_PAL_M:
+ case BT829_PAL_N_COMB: /* gatos groups with BT829_PAL */
+ if (bt->width <= 360) vfilt = 1; /* gatos says <= 240 */
+ if (bt->width <= 180) vfilt = 2; /* gatos says <= 120 */
+ if (bt->width <= 90) vfilt = 3; /* gatos says <= 60 */
+ break;
+ case BT829_PAL:
+ case BT829_PAL_N:
+ case BT829_SECAM:
+ if (bt->width <= 384) vfilt = 1;
+ if (bt->width <= 192) vfilt = 2;
+ if (bt->width<= 96) vfilt = 3;
+ break;
+ default: /* shouldn't get here */
+ break; /* use hardware default */
+ }
+ btwrite(bt, VTC, (bt->vbien<<4) | (bt->vbifmt<<3) | vfilt);
+ }
+}
+
+static void btwrite_cc_status(BT829Ptr bt) /* CC_STATUS */
+{ /* FIXME: ATI specific */
+ if (BTVERSION >= BT827) {
+ if (bt->ccmode == 0) btwrite(bt, CC_STATUS, 0x00);
+ /* 0x40 is activate to set the CCVALID line. Not required yet */
+ else btwrite(bt, CC_STATUS, (bt->ccmode<<4) | 0x40);
+ }
+}
+
+/* CC_DATA is read only */
+
+static void btwrite_wc_dn(BT829Ptr bt) /* WC_DN */
+{
+ if (BTVERSION >= BT827) {
+ /* use default */
+ }
+}
+
+static void bt_reset(BT829Ptr bt) { /* SRESET */
+ btwrite(bt, SRESET, 0x0); /* Reset all registers */
+}
+
+static void btwrite_p_io(BT829Ptr bt) /* P_IO */
+{
+ if (BTVERSION >= BT827) {
+ btwrite(bt, P_IO, bt->p_io);
+ }
+}
+
+/*
+ * Deal with dependencies
+ */
+static void propagate_changes(BT829Ptr bt)
+{
+ CARD16 hdelay, unscaled_hdelay, vdelay, hscale, vscale;
+ int htotal, vactive;
+
+ switch (bt->format) {
+ case BT829_NTSC:
+ case BT829_NTSC_JAPAN:
+ case BT829_PAL_M:
+ vdelay = 22;
+ htotal = 754;
+ vactive = 480;
+ unscaled_hdelay = 135;
+ break;
+ case BT829_PAL:
+ case BT829_PAL_N:
+ vdelay = (bt->tunertype==5) ? 34 : 22;
+ htotal = 922;
+ vactive = 576;
+ unscaled_hdelay = 186;
+ break;
+ case BT829_SECAM:
+ vdelay = 34;
+ htotal = 922;
+ vactive = 576;
+ unscaled_hdelay = 186;
+ break;
+ case BT829_PAL_N_COMB:
+ vdelay = (bt->tunertype==5) ? 34 : 22; /* windows says 22 */
+ htotal = 754; /* gatos and windows say 922 */
+ vactive = 576;
+ unscaled_hdelay = 135; /* gatos and windows say 186 */
+ break;
+ default: /* shouldn't get here */
+ vdelay = 22; /* hardware default */
+ htotal = 754;
+ vactive = 480; /* hardware default */
+ unscaled_hdelay = 135;
+ break;
+ }
+
+ bt->htotal = htotal; /* Used for error checking in bt829_SetCaptSize */
+
+ hscale = 4096 * htotal / (bt->width + 2 * HCROP)-4096;
+ hdelay = (
+ HCROP + (bt->width + 2 * HCROP) * unscaled_hdelay / htotal
+ ) & 0x3FE;
+
+ vactive = vactive - 2 * VCROP;
+ vdelay = vdelay + VCROP;
+ vscale = (0x10000 - (512*vactive/bt->height-512)) & 0x1FFF;
+
+ if ((hdelay != bt->hdelay) || (vdelay != bt->vdelay) ||
+ (vactive != bt->vactive) || (hscale != bt->hscale) ||
+ (vscale != bt->vscale)) {
+ bt->hdelay = hdelay;
+ bt->vdelay = vdelay;
+ bt->vactive = vactive;
+ bt->hscale = hscale;
+ bt->vscale = vscale;
+ btwrite_crop(bt);
+ btwrite_vdelay_lo(bt);
+ btwrite_vactive_lo(bt);
+ btwrite_hdelay_lo(bt);
+ btwrite_hscale_hi(bt);
+ btwrite_hscale_lo(bt);
+ btwrite_control(bt);
+ btwrite_vscale_hi(bt);
+ btwrite_vscale_lo(bt);
+ }
+}
+
+static void write_all(BT829Ptr bt)
+{
+ bt_reset(bt);
+ propagate_changes(bt); /* ensure consistency */
+ btwrite_iform(bt);
+ btwrite_tdec(bt);
+ btwrite_crop(bt);
+ btwrite_vdelay_lo(bt);
+ btwrite_vactive_lo(bt);
+ btwrite_hdelay_lo(bt);
+ btwrite_hactive_lo(bt);
+ btwrite_hscale_hi(bt);
+ btwrite_hscale_lo(bt);
+ btwrite_bright(bt);
+ btwrite_control(bt);
+ btwrite_contrast_lo(bt);
+ btwrite_sat_u_lo(bt);
+ btwrite_sat_v_lo(bt);
+ btwrite_hue(bt);
+ btwrite_scloop(bt);
+ btwrite_wc_up(bt);
+ btwrite_oform(bt);
+ btwrite_vscale_hi(bt);
+ btwrite_vscale_lo(bt);
+ btwrite_vpole(bt);
+ btwrite_adelay(bt);
+ btwrite_bdelay(bt);
+ btwrite_adc(bt);
+ btwrite_vtc(bt);
+/* btwrite_cc_status(bt); */ /* FIXME: CC code needs cleaning */
+ btwrite_wc_dn(bt);
+ btwrite_p_io(bt);
+}
+
+/*
+ * Public functions
+ */
+BT829Ptr bt829_Detect(I2CBusPtr b, I2CSlaveAddr addr)
+{
+ BT829Ptr bt;
+ I2CByte a;
+
+ bt = calloc(1, sizeof(BT829Rec));
+ if(bt == NULL) return NULL;
+ bt->d.DevName = strdup("BT829 video decoder");
+ bt->d.SlaveAddr = addr;
+ bt->d.pI2CBus = b;
+ bt->d.NextDev = NULL;
+ bt->d.StartTimeout = b->StartTimeout;
+ bt->d.BitTimeout = b->BitTimeout;
+ bt->d.AcknTimeout = b->AcknTimeout;
+ bt->d.ByteTimeout = b->ByteTimeout;
+
+
+ if(!I2C_WriteRead(&(bt->d), NULL, 0, &a, 1))
+ {
+ free(bt);
+ return NULL;
+ }
+
+ bt->id = btread(bt,IDCODE);
+
+ free(bt->d.DevName);
+ bt->d.DevName = calloc(200, sizeof(char));
+ switch(BTVERSION){
+ case BT815:
+ sprintf(bt->d.DevName, "bt815a video decoder, revision %d",bt->id & 0xf);
+ break;
+ case BT817:
+ sprintf(bt->d.DevName, "bt817a video decoder, revision %d",bt->id & 0xf);
+ break;
+ case BT819:
+ sprintf(bt->d.DevName, "bt819a video decoder, revision %d",bt->id & 0xf);
+ break;
+ case BT827:
+ sprintf(bt->d.DevName, "bt827a/b video decoder, revision %d",bt->id & 0xf);
+ break;
+ case BT829:
+ sprintf(bt->d.DevName, "bt829a/b video decoder, revision %d",bt->id & 0xf);
+ break;
+ default:
+ sprintf(bt->d.DevName, "bt8xx/unknown video decoder version %d, revision %d",bt->id >> 4,bt->id & 0xf);
+ break;
+ }
+
+ /* set default parameters */
+ if(!I2CDevInit(&(bt->d)))
+ {
+ free(bt);
+ return NULL;
+ }
+
+ bt->tunertype = 1;
+
+ bt->brightness = 0; /* hardware default */
+ bt->ccmode = 0;
+ bt->code = 0; /* hardware default */
+ bt->contrast = 216; /* hardware default */
+ bt->format = BT829_NTSC;
+ bt->height = 480; /* hardware default for vactive */
+ bt->hue = 0; /* hardware default */
+ bt->len = 1; /* hardware default */
+ bt->mux = BT829_MUX0; /* hardware default */
+ bt->out_en = 0; /* hardware default */
+ bt->p_io = 0; /* hardware default */
+ bt->sat_u = 254; /* hardware default */
+ bt->sat_v = 180; /* hardware default */
+ bt->vbien = 0; /* hardware default */
+ bt->vbifmt = 0; /* hardware default */
+ bt->width = 640; /* hardware default for hactive */
+
+ bt->hdelay = 120; /* hardware default */
+ bt->hscale = 684; /* hardware default */
+ bt->vactive = 480; /* hardware default */
+ bt->vdelay = 22; /* hardware default */
+ bt->vscale = 0; /* hardware default */
+
+ bt->htotal = 754; /* NTSC */
+ bt->svideo_mux = 0; /* no s-video */
+
+ return bt;
+}
+
+int bt829_ATIInit(BT829Ptr bt)
+{
+ bt->code = 1;
+ bt->len = 0;
+ bt->vbien = 1;
+ bt->vbifmt = 1;
+ bt->svideo_mux = BT829_MUX1;
+
+ write_all (bt);
+
+ return 0;
+}
+
+int bt829_SetFormat(BT829Ptr bt, CARD8 format)
+{
+ if ((format < 1) || (format > 7)) return -1;
+ if ((BTVERSION <= BT819) &&
+ (format != BT829_NTSC) && (format != BT829_PAL)) return -1;
+ if (format == bt->format) return 0;
+ bt->format = format;
+ propagate_changes(bt);
+ btwrite_iform(bt);
+ btwrite_scloop(bt);
+ btwrite_adelay(bt);
+ btwrite_bdelay(bt);
+ btwrite_vtc(bt);
+ return 0;
+}
+
+int bt829_SetMux(BT829Ptr bt, CARD8 mux)
+{
+ if ((mux < 1) || (mux > 3)) return -1;
+ if (mux == bt->mux) return 0;
+ bt->mux = mux;
+ /* propagate_changes(bt); */ /* no dependencies */
+ btwrite_iform(bt);
+ btwrite_control(bt);
+ btwrite_adc(bt);
+ return 0;
+}
+
+void bt829_SetBrightness(BT829Ptr bt, int brightness)
+{
+ brightness = LIMIT(brightness,-1000,999); /* ensure -128 <= brightness <= 127 below */
+ brightness = (128*brightness)/1000;
+ if (brightness == bt->brightness) return;
+ bt->brightness = brightness;
+ /* propagate_changes(bt); */ /* no dependencies */
+ btwrite_bright(bt);
+}
+
+void bt829_SetContrast(BT829Ptr bt, int contrast)
+{
+ contrast = LIMIT(contrast,-1000,1000);
+ contrast = (216*(contrast+1000))/1000;
+ if (contrast == bt->contrast) return;
+ bt->contrast = contrast;
+ /* propagate_changes(bt); */ /* no dependencies */
+ btwrite_control(bt);
+ btwrite_contrast_lo(bt);
+}
+
+void bt829_SetSaturation(BT829Ptr bt, int saturation)
+{
+ CARD16 sat_u, sat_v;
+
+ saturation = LIMIT(saturation,-1000,1000);
+ sat_u = (254*(saturation+1000))/1000;
+ sat_v = (180*(saturation+1000))/1000;
+ if ((sat_u == bt->sat_u) && (sat_v == bt->sat_v)) return;
+ bt->sat_u = sat_u;
+ bt->sat_v = sat_v;
+ /* propagate_changes(bt); */ /* no dependencies */
+ btwrite_control(bt);
+ btwrite_sat_u_lo(bt);
+ btwrite_sat_v_lo(bt);
+}
+
+void bt829_SetTint(BT829Ptr bt, int hue)
+{
+ hue = LIMIT(hue,-1000,999); /* ensure -128 <= hue <= 127 below */
+ hue = (128*hue)/1000;
+ if (hue == bt->hue) return;
+ bt->hue = hue;
+ /* propagate_changes(bt); */ /* no dependencies */
+ btwrite_hue(bt);
+}
+
+int bt829_SetCaptSize(BT829Ptr bt, int width, int height)
+{
+ if ((width > bt->htotal - 2 * HCROP) ||
+ (16 * width < bt->htotal - 32 * HCROP)) return -1;
+ if ((height > bt->vactive) || (16 * height < bt->vactive)) return -1;
+ if ((width == bt->width) && (height == bt->height)) return 0;
+ bt->width = width;
+ bt->height = height;
+ propagate_changes(bt);
+ btwrite_crop(bt);
+ btwrite_hactive_lo(bt);
+ btwrite_control(bt);
+ btwrite_vtc(bt);
+ return 0;
+}
+
+int bt829_SetCC(BT829Ptr bt) /* FIXME: should take ccmode as a parameter */
+{
+ if (BTVERSION < BT827) return -1; /* can't do it */
+ /* propagate_changes(bt); */ /* no dependencies */
+ btwrite_cc_status(bt);
+ /* we write to STATUS to reset the CCVALID flag */
+ if (bt->ccmode != 0) btwrite_status(bt);
+ return 0;
+}
+
+void bt829_SetOUT_EN(BT829Ptr bt, BOOL out_en)
+{
+ out_en = (out_en != 0);
+ if (out_en == bt->out_en) return;
+ bt->out_en = out_en;
+ /* propagate_changes(bt); */ /* no dependencies */
+ btwrite_vpole(bt);
+}
+
+void bt829_SetP_IO(BT829Ptr bt, CARD8 p_io)
+{
+ if (p_io == bt->p_io) return;
+ bt->p_io = p_io;
+ /* propagate_changes(bt); */ /* no dependencies */
+ btwrite_p_io(bt);
+}
+
+#define BTREAD(R) btread(bt,(R))
+
+#if 0
+
+void bt829_getCCdata(BT829Ptr bt,struct CCdata *data)
+{
+ CARD8 status;
+ data->num_valid=0;
+ /* wait for buffer to be half full (means 8/16 bytes)
+ * either 4 (one of CC/EDS) or 2 (both CC/EDS) frames */
+ if(!(BTREAD(STATUS)&0x04)) return; /* could comment this line */
+ for(;data->num_valid<CC_FIFO_SIZE;data->num_valid++) {
+ status=BTREAD(CC_STATUS);
+ if(!(status&0x04)) break;
+ data->data[data->num_valid]= BTREAD(CC_DATA)&0x7f;
+ /* stripped high bit (parity) */
+ data->status[data->num_valid]= (CCS_EDS*((status&0x02)>>1)) |
+ (CCS_HIGH*(status&0x01)) |
+ (CCS_OVER*((status&0x08)>>3)) |
+ (CCS_PAR*((status&0x80)>>7)) ; }
+ btwrite(bt,STATUS,0x00); /* Reset CCVALID status bit */
+ return;
+}
+
+#endif
+
+/* ------------------------------------------------------------------------ */
+/* Debug and report routines */
+
+#define DUMPREG(REG) \
+ xf86DrvMsg(bt->d.pI2CBus->scrnIndex,X_INFO," %-12s (0x%02X) = 0x%02X\n", \
+ #REG,REG,BTREAD(REG))
+
+/*static void bt829_dumpregs(BT829Ptr bt)
+{
+ DUMPREG(STATUS);
+ DUMPREG(IFORM);
+ DUMPREG(TDEC);
+ DUMPREG(CROP);
+ DUMPREG(VDELAY_LO);
+ DUMPREG(VACTIVE_LO);
+ DUMPREG(HDELAY_LO);
+ DUMPREG(HACTIVE_LO);
+ DUMPREG(HSCALE_HI);
+ DUMPREG(HSCALE_LO);
+ DUMPREG(BRIGHT);
+ DUMPREG(CONTROL);
+ DUMPREG(CONTRAST_LO);
+ DUMPREG(SAT_U_LO);
+ DUMPREG(SAT_V_LO);
+ DUMPREG(HUE);
+ if (BTVERSION >= BT827) {
+ DUMPREG(SCLOOP);
+ DUMPREG(WC_UP) ; }
+ DUMPREG(OFORM);
+ DUMPREG(VSCALE_HI);
+ DUMPREG(VSCALE_LO);
+ DUMPREG(TEST);
+ DUMPREG(VPOLE);
+ DUMPREG(IDCODE);
+ DUMPREG(ADELAY);
+ DUMPREG(BDELAY);
+ DUMPREG(ADC);
+ if (BTVERSION >= BT827) {
+ DUMPREG(VTC);
+ DUMPREG(CC_STATUS);
+ DUMPREG(CC_DATA);
+ DUMPREG(WC_DN);
+ DUMPREG(P_IO) ; }
+}*/
diff --git a/xorg-server/hw/xfree86/i2c/fi1236.c b/xorg-server/hw/xfree86/i2c/fi1236.c index 61224eaa5..531b64aed 100644 --- a/xorg-server/hw/xfree86/i2c/fi1236.c +++ b/xorg-server/hw/xfree86/i2c/fi1236.c @@ -1,605 +1,605 @@ - -#ifdef HAVE_XORG_CONFIG_H -#include <xorg-config.h> -#endif - -#include <unistd.h> -#include <stdlib.h> -#include <string.h> -#include <math.h> - -#include "xf86.h" -#include "xf86i2c.h" -#include "fi1236.h" -#include "tda9885.h" -#include "i2c_def.h" - -#define NUM_TUNERS 8 - -const FI1236_parameters tuner_parms[NUM_TUNERS] = -{ - /* 0 - FI1236 */ - { 733 ,884 ,12820 ,2516 ,7220 ,0xA2 ,0x94, 0x34, 0x8e }, - /* !!!based on documentation - it should be: - {733 ,16*55.25 ,16*801.25 ,16*160 ,16*454 ,0xA0 ,0x90, 0x30, 0x8e},*/ - - /* 1 - FI1216 */ - { 623 ,16*48.75 ,16*855.25 ,16*170 ,16*450 ,0xA0 ,0x90, 0x30, 0x8e }, - /* 2 - TEMIC FN5AL */ - { 623 ,16*45.75 ,16*855.25 ,16*169 ,16*454 ,0xA0 ,0x90, 0x30, 0x8e }, - /* 3 - MT2032.. */ - { 733 ,768 ,13760 , 0 , 0 , 0 , 0, 0, 0 }, - /* 4 - FI1246 */ - { 623 ,16*45.75 ,16*855.25 ,16*170 ,16*450 ,0xA0 ,0x90, 0x30, 0x8e }, - /* 5 - FI1256 */ - { 623 ,16*49.75 ,16*863.25 ,16*170 ,16*450 ,0xA0 ,0x90, 0x30, 0x8e }, - /* 6 - FI1236W */ - /*{ 733 ,884 ,12820 ,2516 ,7220 ,0x1 ,0x2, 0x4, 0x8e },*/ - { 732, 16*55.25, 16*801.25, 16*160, 16*442, 0x1, 0x2, 0x4, 0x8e }, - /* 7 - FM1216ME */ - { 623 ,16*48.25 ,16*863.25 ,16*158.00 ,16*442.00 ,0x1 ,0x2, 0x4, 0x8e } -}; - - -FI1236Ptr Detect_FI1236(I2CBusPtr b, I2CSlaveAddr addr) -{ - FI1236Ptr f; - I2CByte a; - - f = xcalloc(1,sizeof(FI1236Rec)); - if(f == NULL) return NULL; - f->d.DevName = strdup("FI12xx Tuner"); - f->d.SlaveAddr = addr; - f->d.pI2CBus = b; - f->d.NextDev = NULL; - f->d.StartTimeout = b->StartTimeout; - f->d.BitTimeout = b->BitTimeout; - f->d.AcknTimeout = b->AcknTimeout; - f->d.ByteTimeout = b->ByteTimeout; - f->type=TUNER_TYPE_FI1236; - f->afc_timer_installed=FALSE; - f->last_afc_hint=TUNER_OFF; - f->video_if=45.7812; - - if(!I2C_WriteRead(&(f->d), NULL, 0, &a, 1)) - { - free(f); - return NULL; - } - FI1236_set_tuner_type(f, TUNER_TYPE_FI1236); - if(!I2CDevInit(&(f->d))) - { - free(f); - return NULL; - } - return f; -} - -static void MT2032_dump_parameters(FI1236Ptr f, MT2032_parameters *m) -{ -xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "MT2032: input f_rf=%g f_if1=%g f_if2=%g f_ref=%g f_ifbw=%g f_step=%g\n", - m->f_rf, m->f_if1, m->f_if2, m->f_ref, m->f_ifbw, m->f_step); - -xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "MT2032: computed f_lo1=%g f_lo2=%g LO1I=%d LO2I=%d SEL=%d STEP=%d NUM=%d\n", - m->f_lo1, m->f_lo2, m->LO1I, m->LO2I, m->SEL, m->STEP, m->NUM); -} - - -static void MT2032_getid(FI1236Ptr f) -{ -CARD8 out[4]; -CARD8 in; - -in=0x11; -I2C_WriteRead(&(f->d), (I2CByte *)&in, 1, out, 4); -xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "MT2032: Company code 0x%02x%02x, part code 0x%02x, revision code 0x%02x\n", - out[0], out[1], out[2], out[3]); - -} - -/* might be buggy */ -#if 0 -static void MT2032_shutdown(FI1236Ptr f) -{ -CARD8 data[10]; - -data[0]=0x00; /* start with register 0x00 */ -data[1]=0x1A; -data[2]=0x44; -data[3]=0x20; - -I2C_WriteRead(&(f->d), (I2CByte *)data, 4, NULL, 0); - -data[0]=0x05; /* now start with register 0x05 */ -data[1]=0xD7; -data[2]=0x14; -data[3]=0x05; -I2C_WriteRead(&(f->d), (I2CByte *)data, 4, NULL, 0); - -data[0]=0x0B; /* now start with register 0x05 */ -data[1]=0x8F; -data[2]=0x07; -data[3]=0x43; -I2C_WriteRead(&(f->d), (I2CByte *)data, 4, NULL, 0); - -usleep(15000); -} -#endif - -static void MT2032_dump_status(FI1236Ptr f); - -static void MT2032_init(FI1236Ptr f) -{ -CARD8 data[10]; -CARD8 value; -CARD8 xogc = 0x00; - -MT2032_getid(f); - -data[0]=0x02; /* start with register 0x02 */ -data[1]=0xFF; -data[2]=0x0F; -data[3]=0x1F; - -I2C_WriteRead(&(f->d), (I2CByte *)data, 4, NULL, 0); - -data[0]=0x06; /* now start with register 0x06 */ -data[1]=0xE4; -data[2]=0x8F; -data[3]=0xC3; -data[4]=0x4E; -data[5]=0xEC; -I2C_WriteRead(&(f->d), (I2CByte *)data, 6, NULL, 0); - -data[0]=0x0d; /* now start with register 0x0d */ -data[1]=0x32; -I2C_WriteRead(&(f->d), (I2CByte *)data, 2, NULL, 0); - -while(1) { - usleep(15000); /* wait 15 milliseconds */ - - data[0]=0x0e; /* register number 7, status */ - value=0xFF; - if(!I2C_WriteRead(&(f->d), (I2CByte *)data, 1, &value, 1)) - xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "MT2032: failed to read XOK\n"); - xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "MT2032: XOK=%d\n", value & 0x01); - if(value & 1) break; - - data[0]=0x07; - if(!I2C_WriteRead(&(f->d), (I2CByte *)data, 1, &value, 1)) - xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "MT2032: failed to read XOGC\n"); - - xogc=value & 0x7; - if(xogc==4){ - break; /* XOGC has reached 4.. stop */ - } - xogc--; - xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "MT2032: try XOGC=%d\n", xogc); - usleep(15000); - data[0]=0x07; /* register number 7, control byte 2 */ - data[1]=0x08 | xogc; - I2C_WriteRead(&(f->d), (I2CByte *)data, 2, NULL, 0); - } -f->xogc=xogc; -/* wait before continuing */ -usleep(15000); /* wait 50 milliseconds */ -MT2032_dump_status(f); -} - -static int MT2032_no_spur_in_band(MT2032_parameters *m) -{ -int n_max, n1, n2; -double f_test; -n_max=5; -n1=1; -while(1){ - n2=-n1; - f_test=n1*(m->f_lo1-m->f_lo2); - while(1){ - n2--; - f_test=f_test-m->f_lo2; - xf86DrvMsg(0, X_INFO, "testing f_test=%g n1=%d n2=%d f_lo1=%g f_lo2=%g f_if2=%g\n", f_test, n1, n2, m->f_lo1, m->f_lo2, m->f_if2); - xf86DrvMsg(0, X_INFO, "d_f=%g f_ifbw=%g\n",fabs(fabs(f_test)-m->f_if2), m->f_ifbw); - if((fabs(fabs(f_test)-m->f_if2)*2.0)<=m->f_ifbw)return 0; - if(n2<=-n_max)break; - /* this line in the manual is bogus. I say it is faster - and more correct to go over all harmonics.. */ - #if 0 - if(f_test<(m->f_lo2-m->f_if2-m->f_ifbw))break; - #endif - } - n1++; - if(n1>=n_max)return 1; - } - -} - -static void MT2032_calculate_register_settings(MT2032_parameters *m, double f_rf, double f_if1, double f_if2, double f_ref, double f_ifbw, double f_step) -{ -int n; -m->f_rf=f_rf; -m->f_if1=f_if1; -m->f_if2=f_if2; -m->f_ref=f_ref; -m->f_ifbw=f_ifbw; -m->f_step=f_step; - -m->f_lo1=f_rf+f_if1; -m->LO1I=lrint(m->f_lo1/f_ref); -m->f_lo1=f_ref*m->LO1I; - -m->f_lo2=m->f_lo1-f_rf-f_if2; - -/* check for spurs */ -n=1; -while(n<3){ - if(MT2032_no_spur_in_band(m))break; - if(m->f_lo1<(f_rf+f_if1)){ - m->LO1I+=n; - } else { - m->LO1I-=n; - } - m->f_lo1=m->LO1I*f_ref; - m->f_lo2=m->f_lo1-f_rf-f_if2; - n++; - } -/* xf86DrvMsg(0, X_INFO, "MT2032: n=%d\n", n); */ -/* select VCO */ - -/* m->f_lo1>1100.0 */ -if(m->f_lo1<1370.0)m->SEL=4; - else -if(m->f_lo1<1530.0)m->SEL=3; - else -if(m->f_lo1<1720.0)m->SEL=2; - else -if(m->f_lo1<1890.0)m->SEL=1; - else /* m->f_lo1 < 1958.0 */ - m->SEL=0; - -/* calculate the rest of the registers */ -m->LO2I=floor(m->f_lo2/f_ref); -m->STEP=floor(3780.0*f_step/f_ref); -m->NUM=floor(3780.0*(m->f_lo2/f_ref-m->LO2I)); -m->NUM=m->STEP*lrint((1.0*m->NUM)/(1.0*m->STEP)); -} - -static int MT2032_wait_for_lock(FI1236Ptr f) -{ -int n; -CARD8 data[10]; -CARD8 value; - -n=12; -while(1){ - data[0]=0x0e; /* register number 7, status */ - I2C_WriteRead(&(f->d), (I2CByte *)data, 1, &value, 1); -/* xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "MT2032: LO1LK=%d LO2LK=%d\n", (value & 0x04)>>2, (value & 0x02)>>1); */ - if((value & 6)==6) break; - usleep(1500); - n--; - if(n<0)break; - } -if(n<0){ - xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "MT2032: failed to set frequency\n"); - return 0; - } -return 1; -} - -static void MT2032_implement_settings(FI1236Ptr f, MT2032_parameters *m) -{ -CARD8 data[10]; -CARD8 value; - -data[0]=0x00; /* start with register 0x00 */ -data[1]=(m->LO1I>>3)-1; -data[2]=(m->SEL<<4)|(m->LO1I & 0x7); -data[3]=0x86; -I2C_WriteRead(&(f->d), (I2CByte *)data, 4, NULL, 0); - -data[0]=0x05; /* start with register 0x05 */ -data[1]=((m->LO2I & 0x7)<<5)|((m->LO2I>>3)-1); -if(m->f_rf<400.0)data[2]=0xe4; - else data[2]=0xf4; -I2C_WriteRead(&(f->d), (I2CByte *)data, 3, NULL, 0); - -data[0]=0x07; /* register number 7, control byte 2 */ -I2C_WriteRead(&(f->d), (I2CByte *)data, 1, &value, 1); -xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "MT2032: using XOGC=%d\n", (value & 0x07)); -data[1]=8 | (value & 0x7); -I2C_WriteRead(&(f->d), (I2CByte *)data, 2, NULL, 0); - -data[0]=0x0b; /* start with register 0x0b */ -data[1]=m->NUM & 0xff; -data[2]=(1<<7)|((m->NUM >> 8) & 0x0f); -I2C_WriteRead(&(f->d), (I2CByte *)data, 3, NULL, 0); - -MT2032_wait_for_lock(f); -} - -static void MT2032_optimize_VCO(FI1236Ptr f, MT2032_parameters *m) -{ -CARD8 data[10]; -CARD8 value; -CARD8 TAD1; - -data[0]=0x0f; /* register number 7, status */ -I2C_WriteRead(&(f->d), (I2CByte *)data, 1, &value, 1); -TAD1=value & 0x07; -xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "MT2032: TAD1=%d SEL=%d\n", TAD1, m->SEL); -if(TAD1 < 2)return; -if(TAD1==2){ - if(m->SEL==0)return; - m->SEL--; - } else { - if(m->SEL>=4)return; - m->SEL++; - } -data[0]=0x01; /* start with register 1 */ -data[1]=(m->SEL<<4)|(m->LO1I & 0x7); -I2C_WriteRead(&(f->d), (I2CByte *)data, 2, NULL, 0); - -} - -static int FI1236_get_afc_hint(FI1236Ptr f) -{ - CARD8 out; - CARD8 AFC; - - if ((f->type == TUNER_TYPE_FM1216ME) || (f->type == TUNER_TYPE_FI1236W)) - { - TDA9885Ptr t = (TDA9885Ptr)f->afc_source; - if (t == NULL) - return TUNER_OFF; - - tda9885_getstatus(t); - tda9885_dumpstatus(t); - AFC = t->afc_status & 0x0f; - - xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "AFC: FI1236_get_afc_hint: %i\n", AFC); - if (AFC == 0) return TUNER_TUNED; - else if (AFC <= 0x07)return TUNER_JUST_BELOW; - else if (AFC < 0x0f )return TUNER_JUST_ABOVE; - else if (AFC == 0x0f)return TUNER_TUNED; - } - else - { - I2C_WriteRead(&(f->d), NULL, 0, &out, 1); - AFC=out & 0x7; - xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "AFC: FI1236_get_afc_hint: %i\n", AFC); - if(AFC==2)return TUNER_TUNED; - if(AFC==3)return TUNER_JUST_BELOW; - if(AFC==1)return TUNER_JUST_ABOVE; - return TUNER_OFF; - } - return TUNER_OFF; -} - -static int MT2032_get_afc_hint(FI1236Ptr f) -{ -CARD8 in; -CARD8 out[2]; -CARD8 AFC; -in=0x0e; -I2C_WriteRead(&(f->d), (I2CByte *)&in, 1, out, 2); -AFC=(out[0]>>4) & 0x7; -#if 0 -xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "AFC=%d TAD1=%d TAD2=%d\n", AFC, out[1] & 0x7, (out[1]>>4)& 0x07); -#endif -if(AFC==2)return TUNER_TUNED; -if(AFC==3)return TUNER_JUST_BELOW; -if(AFC==1)return TUNER_JUST_ABOVE; -return TUNER_OFF; -} - -/* this function is for external use only */ -int TUNER_get_afc_hint(FI1236Ptr f) -{ -if(f->afc_timer_installed)return TUNER_STILL_TUNING; -return f->last_afc_hint; -} - -static void MT2032_dump_status(FI1236Ptr f) -{ -CARD8 in; -CARD8 out[2]; -CARD8 AFC; -CARD8 LDONrb; -CARD8 LO1LK, LO2LK, XOK; -CARD8 TAD2, TAD1; - -in=0x0e; -I2C_WriteRead(&(f->d), (I2CByte *)&in, 1, out, 2); -XOK=out[0] & 1; -LO1LK=(out[0]>>2) &1; -LO2LK=(out[0]>>1) &1; -LDONrb=(out[0]>>3) &1; - -AFC=(out[0]>>4) & 0x7; - -TAD1=(out[1] & 0x7); -TAD2=(out[1]>>4) & 0x7; - -xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "MT2032: status: XOK=%d LO1LK=%d LO2LK=%d LDONrb=%d AFC=%d TAD1=%d TAD2=%d\n", - XOK, LO1LK, LO2LK, LDONrb, AFC, TAD1, TAD2); -xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "MT2032: status: OSCILLATOR:%s PLL1:%s PLL2:%s\n", - XOK ? "ok":"off", LO1LK ? "locked" : "off" , LO2LK ? "locked" : "off"); - -} - -static void MT2032_tune(FI1236Ptr f, double freq, double step) -{ -MT2032_parameters m; -CARD8 data[10]; -int i; -/* NTSC IF is 44mhz.. but 733/16=45.8125 and all TDAXXXX docs mention - 45.75, 39, 58.75 and 30. */ -#if 0 -MT2032_calculate_register_settings(&m, freq, 1090.0, 45.125, 5.25, 6.0, step); -MT2032_calculate_register_settings(&m, freq, 1090.0, 45.74, 5.25, 6.0, step); -#endif -MT2032_calculate_register_settings(&m, freq, 1090.0, f->video_if, 5.25, 3.0, step); -MT2032_dump_parameters(f, &m); -MT2032_implement_settings(f, &m); -/* MT2032_dump_parameters(f, &m); */ -for(i=0;i<3;i++){ - MT2032_optimize_VCO(f, &m); - if(MT2032_wait_for_lock(f)){ - data[0]=0x02; /* LO Gain control register 0x02 */ - data[1]=0x20; - I2C_WriteRead(&(f->d), (I2CByte *)data, 2, NULL, 0); - return; - } - data[0]=0x07; - data[1]=0x88|f->xogc; - I2C_WriteRead(&(f->d), (I2CByte *)data, 2, NULL, 0); - usleep(15000); - data[1]=0x08|f->xogc; - I2C_WriteRead(&(f->d), (I2CByte *)data, 2, NULL, 0); - } -xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "MT2032: failed to set frequency\n"); -} - -void FI1236_set_tuner_type(FI1236Ptr f, int type) -{ -f->type=type; -if(type>=NUM_TUNERS)type = NUM_TUNERS-1; -if(type<0)type = 0; -memcpy(&(f->parm), &(tuner_parms[type]), sizeof(FI1236_parameters)); -f->original_frequency=f->parm.min_freq; -f->afc_delta=0; -if(type==TUNER_TYPE_MT2032){ - MT2032_init(f); - return; - } -} - - -static CARD32 AFC_TimerCallback(OsTimerPtr timer, CARD32 time, pointer data){ -FI1236Ptr f=(FI1236Ptr)data; -if(FI1236_AFC(f))return 150; - else { - f->afc_timer_installed=FALSE; - f->afc_count=0; - return 0; - } -} - -void FI1236_tune(FI1236Ptr f, CARD32 frequency) -{ - CARD16 divider; - CARD8 data; - - if(frequency < f->parm.min_freq) frequency = f->parm.min_freq; - if(frequency > f->parm.max_freq) frequency = f->parm.max_freq; - - divider = (f->parm.fcar+(CARD16)frequency) & 0x7fff; - f->tuner_data.div1 = (CARD8)((divider>>8)&0x7f); - f->tuner_data.div2 = (CARD8)(divider & 0xff); - f->tuner_data.control = f->parm.control; - - if(frequency < f->parm.threshold1) - { - f->tuner_data.band = f->parm.band_low; - } - else if (frequency < f->parm.threshold2) - { - f->tuner_data.band = f->parm.band_mid; - } - else - { - f->tuner_data.band = f->parm.band_high; - } - - xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "Setting tuner band to %d\n", f->tuner_data.band); - - xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "Setting tuner frequency to %d\n", (int)frequency); - - if ((f->type == TUNER_TYPE_FM1216ME) || (f->type == TUNER_TYPE_FI1236W)) - { - f->tuner_data.aux = 0x20; - I2C_WriteRead(&(f->d), (I2CByte *)&(f->tuner_data), 5, NULL, 0); - I2C_WriteRead(&(f->d), NULL, 0, &data, 1); - xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "Tuner status %x\n", data); - - } - else - I2C_WriteRead(&(f->d), (I2CByte *)&(f->tuner_data), 4, NULL, 0); -} - -void TUNER_set_frequency(FI1236Ptr f, CARD32 frequency) -{ - if(frequency < f->parm.min_freq) frequency = f->parm.min_freq; - if(frequency > f->parm.max_freq) frequency = f->parm.max_freq; - - f->afc_delta=0; - f->original_frequency=frequency; - - if(f->type==TUNER_TYPE_MT2032) - { - MT2032_tune(f, (1.0*frequency)/16.0, 0.0625); - } else - { - FI1236_tune(f, frequency); - } - - if(!f->afc_timer_installed) - { - f->afc_timer_installed=TRUE; -/* RegisterBlockAndWakeupHandlers(FI1236_BlockHandler, AFCWakeup, f); */ - TimerSet(NULL, 0, 300, AFC_TimerCallback, f); - } - -} - - -int FI1236_AFC(FI1236Ptr f) -{ - #if 0 - xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "AFC: f=%p f->count=%d f->original_frequency=%d f->afc_delta=%d\n", f, f->afc_count, f->original_frequency, f->afc_delta); - #endif - f->afc_count++; - if(f->type==TUNER_TYPE_MT2032) - { - f->last_afc_hint=MT2032_get_afc_hint(f); - xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "AFC: afc_hint=%d\n", f->last_afc_hint); - if(f->last_afc_hint==TUNER_TUNED)return 0; - if(f->afc_count>3)f->last_afc_hint=TUNER_OFF; - if(f->last_afc_hint==TUNER_OFF) - { - f->afc_delta=0; - } else - f->afc_delta+=f->last_afc_hint; - xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "AFC: Setting tuner frequency to %g\n", (0.5*(2*f->original_frequency+f->afc_delta))/16.0); - MT2032_tune(f, (1.0*f->original_frequency+0.5*f->afc_delta)/16.0, 0.03125); - if(f->last_afc_hint==TUNER_OFF)return 0; - return 1; /* call me again */ - } else - { - f->last_afc_hint=FI1236_get_afc_hint(f); - if(f->last_afc_hint==TUNER_TUNED) - { - xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "AFC: TUNER_TUNNED\n"); - return 0; - } - if(f->afc_count>3)f->last_afc_hint=TUNER_OFF; - if(f->last_afc_hint==TUNER_OFF) - { - f->afc_delta=0; - } else - f->afc_delta+=f->last_afc_hint; - xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "AFC: Setting tuner frequency to %g\n", (0.5*(2*f->original_frequency+f->afc_delta))/16.0); - FI1236_tune(f, f->original_frequency+f->afc_delta); - if(f->last_afc_hint==TUNER_OFF)return 0; - return 1; /* call me again */ - } - return 0; /* done */ -} - -void fi1236_dump_status(FI1236Ptr f) -{ -if(f->type==TUNER_TYPE_MT2032){ - MT2032_dump_status(f); - } -} +
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+
+#include "xf86.h"
+#include "xf86i2c.h"
+#include "fi1236.h"
+#include "tda9885.h"
+#include "i2c_def.h"
+
+#define NUM_TUNERS 8
+
+const FI1236_parameters tuner_parms[NUM_TUNERS] =
+{
+ /* 0 - FI1236 */
+ { 733 ,884 ,12820 ,2516 ,7220 ,0xA2 ,0x94, 0x34, 0x8e },
+ /* !!!based on documentation - it should be:
+ {733 ,16*55.25 ,16*801.25 ,16*160 ,16*454 ,0xA0 ,0x90, 0x30, 0x8e},*/
+
+ /* 1 - FI1216 */
+ { 623 ,16*48.75 ,16*855.25 ,16*170 ,16*450 ,0xA0 ,0x90, 0x30, 0x8e },
+ /* 2 - TEMIC FN5AL */
+ { 623 ,16*45.75 ,16*855.25 ,16*169 ,16*454 ,0xA0 ,0x90, 0x30, 0x8e },
+ /* 3 - MT2032.. */
+ { 733 ,768 ,13760 , 0 , 0 , 0 , 0, 0, 0 },
+ /* 4 - FI1246 */
+ { 623 ,16*45.75 ,16*855.25 ,16*170 ,16*450 ,0xA0 ,0x90, 0x30, 0x8e },
+ /* 5 - FI1256 */
+ { 623 ,16*49.75 ,16*863.25 ,16*170 ,16*450 ,0xA0 ,0x90, 0x30, 0x8e },
+ /* 6 - FI1236W */
+ /*{ 733 ,884 ,12820 ,2516 ,7220 ,0x1 ,0x2, 0x4, 0x8e },*/
+ { 732, 16*55.25, 16*801.25, 16*160, 16*442, 0x1, 0x2, 0x4, 0x8e },
+ /* 7 - FM1216ME */
+ { 623 ,16*48.25 ,16*863.25 ,16*158.00 ,16*442.00 ,0x1 ,0x2, 0x4, 0x8e }
+};
+
+
+FI1236Ptr Detect_FI1236(I2CBusPtr b, I2CSlaveAddr addr)
+{
+ FI1236Ptr f;
+ I2CByte a;
+
+ f = calloc(1,sizeof(FI1236Rec));
+ if(f == NULL) return NULL;
+ f->d.DevName = strdup("FI12xx Tuner");
+ f->d.SlaveAddr = addr;
+ f->d.pI2CBus = b;
+ f->d.NextDev = NULL;
+ f->d.StartTimeout = b->StartTimeout;
+ f->d.BitTimeout = b->BitTimeout;
+ f->d.AcknTimeout = b->AcknTimeout;
+ f->d.ByteTimeout = b->ByteTimeout;
+ f->type=TUNER_TYPE_FI1236;
+ f->afc_timer_installed=FALSE;
+ f->last_afc_hint=TUNER_OFF;
+ f->video_if=45.7812;
+
+ if(!I2C_WriteRead(&(f->d), NULL, 0, &a, 1))
+ {
+ free(f);
+ return NULL;
+ }
+ FI1236_set_tuner_type(f, TUNER_TYPE_FI1236);
+ if(!I2CDevInit(&(f->d)))
+ {
+ free(f);
+ return NULL;
+ }
+ return f;
+}
+
+static void MT2032_dump_parameters(FI1236Ptr f, MT2032_parameters *m)
+{
+xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "MT2032: input f_rf=%g f_if1=%g f_if2=%g f_ref=%g f_ifbw=%g f_step=%g\n",
+ m->f_rf, m->f_if1, m->f_if2, m->f_ref, m->f_ifbw, m->f_step);
+
+xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "MT2032: computed f_lo1=%g f_lo2=%g LO1I=%d LO2I=%d SEL=%d STEP=%d NUM=%d\n",
+ m->f_lo1, m->f_lo2, m->LO1I, m->LO2I, m->SEL, m->STEP, m->NUM);
+}
+
+
+static void MT2032_getid(FI1236Ptr f)
+{
+CARD8 out[4];
+CARD8 in;
+
+in=0x11;
+I2C_WriteRead(&(f->d), (I2CByte *)&in, 1, out, 4);
+xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "MT2032: Company code 0x%02x%02x, part code 0x%02x, revision code 0x%02x\n",
+ out[0], out[1], out[2], out[3]);
+
+}
+
+/* might be buggy */
+#if 0
+static void MT2032_shutdown(FI1236Ptr f)
+{
+CARD8 data[10];
+
+data[0]=0x00; /* start with register 0x00 */
+data[1]=0x1A;
+data[2]=0x44;
+data[3]=0x20;
+
+I2C_WriteRead(&(f->d), (I2CByte *)data, 4, NULL, 0);
+
+data[0]=0x05; /* now start with register 0x05 */
+data[1]=0xD7;
+data[2]=0x14;
+data[3]=0x05;
+I2C_WriteRead(&(f->d), (I2CByte *)data, 4, NULL, 0);
+
+data[0]=0x0B; /* now start with register 0x05 */
+data[1]=0x8F;
+data[2]=0x07;
+data[3]=0x43;
+I2C_WriteRead(&(f->d), (I2CByte *)data, 4, NULL, 0);
+
+usleep(15000);
+}
+#endif
+
+static void MT2032_dump_status(FI1236Ptr f);
+
+static void MT2032_init(FI1236Ptr f)
+{
+CARD8 data[10];
+CARD8 value;
+CARD8 xogc = 0x00;
+
+MT2032_getid(f);
+
+data[0]=0x02; /* start with register 0x02 */
+data[1]=0xFF;
+data[2]=0x0F;
+data[3]=0x1F;
+
+I2C_WriteRead(&(f->d), (I2CByte *)data, 4, NULL, 0);
+
+data[0]=0x06; /* now start with register 0x06 */
+data[1]=0xE4;
+data[2]=0x8F;
+data[3]=0xC3;
+data[4]=0x4E;
+data[5]=0xEC;
+I2C_WriteRead(&(f->d), (I2CByte *)data, 6, NULL, 0);
+
+data[0]=0x0d; /* now start with register 0x0d */
+data[1]=0x32;
+I2C_WriteRead(&(f->d), (I2CByte *)data, 2, NULL, 0);
+
+while(1) {
+ usleep(15000); /* wait 15 milliseconds */
+
+ data[0]=0x0e; /* register number 7, status */
+ value=0xFF;
+ if(!I2C_WriteRead(&(f->d), (I2CByte *)data, 1, &value, 1))
+ xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "MT2032: failed to read XOK\n");
+ xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "MT2032: XOK=%d\n", value & 0x01);
+ if(value & 1) break;
+
+ data[0]=0x07;
+ if(!I2C_WriteRead(&(f->d), (I2CByte *)data, 1, &value, 1))
+ xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "MT2032: failed to read XOGC\n");
+
+ xogc=value & 0x7;
+ if(xogc==4){
+ break; /* XOGC has reached 4.. stop */
+ }
+ xogc--;
+ xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "MT2032: try XOGC=%d\n", xogc);
+ usleep(15000);
+ data[0]=0x07; /* register number 7, control byte 2 */
+ data[1]=0x08 | xogc;
+ I2C_WriteRead(&(f->d), (I2CByte *)data, 2, NULL, 0);
+ }
+f->xogc=xogc;
+/* wait before continuing */
+usleep(15000); /* wait 50 milliseconds */
+MT2032_dump_status(f);
+}
+
+static int MT2032_no_spur_in_band(MT2032_parameters *m)
+{
+int n_max, n1, n2;
+double f_test;
+n_max=5;
+n1=1;
+while(1){
+ n2=-n1;
+ f_test=n1*(m->f_lo1-m->f_lo2);
+ while(1){
+ n2--;
+ f_test=f_test-m->f_lo2;
+ xf86DrvMsg(0, X_INFO, "testing f_test=%g n1=%d n2=%d f_lo1=%g f_lo2=%g f_if2=%g\n", f_test, n1, n2, m->f_lo1, m->f_lo2, m->f_if2);
+ xf86DrvMsg(0, X_INFO, "d_f=%g f_ifbw=%g\n",fabs(fabs(f_test)-m->f_if2), m->f_ifbw);
+ if((fabs(fabs(f_test)-m->f_if2)*2.0)<=m->f_ifbw)return 0;
+ if(n2<=-n_max)break;
+ /* this line in the manual is bogus. I say it is faster
+ and more correct to go over all harmonics.. */
+ #if 0
+ if(f_test<(m->f_lo2-m->f_if2-m->f_ifbw))break;
+ #endif
+ }
+ n1++;
+ if(n1>=n_max)return 1;
+ }
+
+}
+
+static void MT2032_calculate_register_settings(MT2032_parameters *m, double f_rf, double f_if1, double f_if2, double f_ref, double f_ifbw, double f_step)
+{
+int n;
+m->f_rf=f_rf;
+m->f_if1=f_if1;
+m->f_if2=f_if2;
+m->f_ref=f_ref;
+m->f_ifbw=f_ifbw;
+m->f_step=f_step;
+
+m->f_lo1=f_rf+f_if1;
+m->LO1I=lrint(m->f_lo1/f_ref);
+m->f_lo1=f_ref*m->LO1I;
+
+m->f_lo2=m->f_lo1-f_rf-f_if2;
+
+/* check for spurs */
+n=1;
+while(n<3){
+ if(MT2032_no_spur_in_band(m))break;
+ if(m->f_lo1<(f_rf+f_if1)){
+ m->LO1I+=n;
+ } else {
+ m->LO1I-=n;
+ }
+ m->f_lo1=m->LO1I*f_ref;
+ m->f_lo2=m->f_lo1-f_rf-f_if2;
+ n++;
+ }
+/* xf86DrvMsg(0, X_INFO, "MT2032: n=%d\n", n); */
+/* select VCO */
+
+/* m->f_lo1>1100.0 */
+if(m->f_lo1<1370.0)m->SEL=4;
+ else
+if(m->f_lo1<1530.0)m->SEL=3;
+ else
+if(m->f_lo1<1720.0)m->SEL=2;
+ else
+if(m->f_lo1<1890.0)m->SEL=1;
+ else /* m->f_lo1 < 1958.0 */
+ m->SEL=0;
+
+/* calculate the rest of the registers */
+m->LO2I=floor(m->f_lo2/f_ref);
+m->STEP=floor(3780.0*f_step/f_ref);
+m->NUM=floor(3780.0*(m->f_lo2/f_ref-m->LO2I));
+m->NUM=m->STEP*lrint((1.0*m->NUM)/(1.0*m->STEP));
+}
+
+static int MT2032_wait_for_lock(FI1236Ptr f)
+{
+int n;
+CARD8 data[10];
+CARD8 value;
+
+n=12;
+while(1){
+ data[0]=0x0e; /* register number 7, status */
+ I2C_WriteRead(&(f->d), (I2CByte *)data, 1, &value, 1);
+/* xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "MT2032: LO1LK=%d LO2LK=%d\n", (value & 0x04)>>2, (value & 0x02)>>1); */
+ if((value & 6)==6) break;
+ usleep(1500);
+ n--;
+ if(n<0)break;
+ }
+if(n<0){
+ xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "MT2032: failed to set frequency\n");
+ return 0;
+ }
+return 1;
+}
+
+static void MT2032_implement_settings(FI1236Ptr f, MT2032_parameters *m)
+{
+CARD8 data[10];
+CARD8 value;
+
+data[0]=0x00; /* start with register 0x00 */
+data[1]=(m->LO1I>>3)-1;
+data[2]=(m->SEL<<4)|(m->LO1I & 0x7);
+data[3]=0x86;
+I2C_WriteRead(&(f->d), (I2CByte *)data, 4, NULL, 0);
+
+data[0]=0x05; /* start with register 0x05 */
+data[1]=((m->LO2I & 0x7)<<5)|((m->LO2I>>3)-1);
+if(m->f_rf<400.0)data[2]=0xe4;
+ else data[2]=0xf4;
+I2C_WriteRead(&(f->d), (I2CByte *)data, 3, NULL, 0);
+
+data[0]=0x07; /* register number 7, control byte 2 */
+I2C_WriteRead(&(f->d), (I2CByte *)data, 1, &value, 1);
+xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "MT2032: using XOGC=%d\n", (value & 0x07));
+data[1]=8 | (value & 0x7);
+I2C_WriteRead(&(f->d), (I2CByte *)data, 2, NULL, 0);
+
+data[0]=0x0b; /* start with register 0x0b */
+data[1]=m->NUM & 0xff;
+data[2]=(1<<7)|((m->NUM >> 8) & 0x0f);
+I2C_WriteRead(&(f->d), (I2CByte *)data, 3, NULL, 0);
+
+MT2032_wait_for_lock(f);
+}
+
+static void MT2032_optimize_VCO(FI1236Ptr f, MT2032_parameters *m)
+{
+CARD8 data[10];
+CARD8 value;
+CARD8 TAD1;
+
+data[0]=0x0f; /* register number 7, status */
+I2C_WriteRead(&(f->d), (I2CByte *)data, 1, &value, 1);
+TAD1=value & 0x07;
+xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "MT2032: TAD1=%d SEL=%d\n", TAD1, m->SEL);
+if(TAD1 < 2)return;
+if(TAD1==2){
+ if(m->SEL==0)return;
+ m->SEL--;
+ } else {
+ if(m->SEL>=4)return;
+ m->SEL++;
+ }
+data[0]=0x01; /* start with register 1 */
+data[1]=(m->SEL<<4)|(m->LO1I & 0x7);
+I2C_WriteRead(&(f->d), (I2CByte *)data, 2, NULL, 0);
+
+}
+
+static int FI1236_get_afc_hint(FI1236Ptr f)
+{
+ CARD8 out;
+ CARD8 AFC;
+
+ if ((f->type == TUNER_TYPE_FM1216ME) || (f->type == TUNER_TYPE_FI1236W))
+ {
+ TDA9885Ptr t = (TDA9885Ptr)f->afc_source;
+ if (t == NULL)
+ return TUNER_OFF;
+
+ tda9885_getstatus(t);
+ tda9885_dumpstatus(t);
+ AFC = t->afc_status & 0x0f;
+
+ xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "AFC: FI1236_get_afc_hint: %i\n", AFC);
+ if (AFC == 0) return TUNER_TUNED;
+ else if (AFC <= 0x07)return TUNER_JUST_BELOW;
+ else if (AFC < 0x0f )return TUNER_JUST_ABOVE;
+ else if (AFC == 0x0f)return TUNER_TUNED;
+ }
+ else
+ {
+ I2C_WriteRead(&(f->d), NULL, 0, &out, 1);
+ AFC=out & 0x7;
+ xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "AFC: FI1236_get_afc_hint: %i\n", AFC);
+ if(AFC==2)return TUNER_TUNED;
+ if(AFC==3)return TUNER_JUST_BELOW;
+ if(AFC==1)return TUNER_JUST_ABOVE;
+ return TUNER_OFF;
+ }
+ return TUNER_OFF;
+}
+
+static int MT2032_get_afc_hint(FI1236Ptr f)
+{
+CARD8 in;
+CARD8 out[2];
+CARD8 AFC;
+in=0x0e;
+I2C_WriteRead(&(f->d), (I2CByte *)&in, 1, out, 2);
+AFC=(out[0]>>4) & 0x7;
+#if 0
+xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "AFC=%d TAD1=%d TAD2=%d\n", AFC, out[1] & 0x7, (out[1]>>4)& 0x07);
+#endif
+if(AFC==2)return TUNER_TUNED;
+if(AFC==3)return TUNER_JUST_BELOW;
+if(AFC==1)return TUNER_JUST_ABOVE;
+return TUNER_OFF;
+}
+
+/* this function is for external use only */
+int TUNER_get_afc_hint(FI1236Ptr f)
+{
+if(f->afc_timer_installed)return TUNER_STILL_TUNING;
+return f->last_afc_hint;
+}
+
+static void MT2032_dump_status(FI1236Ptr f)
+{
+CARD8 in;
+CARD8 out[2];
+CARD8 AFC;
+CARD8 LDONrb;
+CARD8 LO1LK, LO2LK, XOK;
+CARD8 TAD2, TAD1;
+
+in=0x0e;
+I2C_WriteRead(&(f->d), (I2CByte *)&in, 1, out, 2);
+XOK=out[0] & 1;
+LO1LK=(out[0]>>2) &1;
+LO2LK=(out[0]>>1) &1;
+LDONrb=(out[0]>>3) &1;
+
+AFC=(out[0]>>4) & 0x7;
+
+TAD1=(out[1] & 0x7);
+TAD2=(out[1]>>4) & 0x7;
+
+xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "MT2032: status: XOK=%d LO1LK=%d LO2LK=%d LDONrb=%d AFC=%d TAD1=%d TAD2=%d\n",
+ XOK, LO1LK, LO2LK, LDONrb, AFC, TAD1, TAD2);
+xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "MT2032: status: OSCILLATOR:%s PLL1:%s PLL2:%s\n",
+ XOK ? "ok":"off", LO1LK ? "locked" : "off" , LO2LK ? "locked" : "off");
+
+}
+
+static void MT2032_tune(FI1236Ptr f, double freq, double step)
+{
+MT2032_parameters m;
+CARD8 data[10];
+int i;
+/* NTSC IF is 44mhz.. but 733/16=45.8125 and all TDAXXXX docs mention
+ 45.75, 39, 58.75 and 30. */
+#if 0
+MT2032_calculate_register_settings(&m, freq, 1090.0, 45.125, 5.25, 6.0, step);
+MT2032_calculate_register_settings(&m, freq, 1090.0, 45.74, 5.25, 6.0, step);
+#endif
+MT2032_calculate_register_settings(&m, freq, 1090.0, f->video_if, 5.25, 3.0, step);
+MT2032_dump_parameters(f, &m);
+MT2032_implement_settings(f, &m);
+/* MT2032_dump_parameters(f, &m); */
+for(i=0;i<3;i++){
+ MT2032_optimize_VCO(f, &m);
+ if(MT2032_wait_for_lock(f)){
+ data[0]=0x02; /* LO Gain control register 0x02 */
+ data[1]=0x20;
+ I2C_WriteRead(&(f->d), (I2CByte *)data, 2, NULL, 0);
+ return;
+ }
+ data[0]=0x07;
+ data[1]=0x88|f->xogc;
+ I2C_WriteRead(&(f->d), (I2CByte *)data, 2, NULL, 0);
+ usleep(15000);
+ data[1]=0x08|f->xogc;
+ I2C_WriteRead(&(f->d), (I2CByte *)data, 2, NULL, 0);
+ }
+xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "MT2032: failed to set frequency\n");
+}
+
+void FI1236_set_tuner_type(FI1236Ptr f, int type)
+{
+f->type=type;
+if(type>=NUM_TUNERS)type = NUM_TUNERS-1;
+if(type<0)type = 0;
+memcpy(&(f->parm), &(tuner_parms[type]), sizeof(FI1236_parameters));
+f->original_frequency=f->parm.min_freq;
+f->afc_delta=0;
+if(type==TUNER_TYPE_MT2032){
+ MT2032_init(f);
+ return;
+ }
+}
+
+
+static CARD32 AFC_TimerCallback(OsTimerPtr timer, CARD32 time, pointer data){
+FI1236Ptr f=(FI1236Ptr)data;
+if(FI1236_AFC(f))return 150;
+ else {
+ f->afc_timer_installed=FALSE;
+ f->afc_count=0;
+ return 0;
+ }
+}
+
+void FI1236_tune(FI1236Ptr f, CARD32 frequency)
+{
+ CARD16 divider;
+ CARD8 data;
+
+ if(frequency < f->parm.min_freq) frequency = f->parm.min_freq;
+ if(frequency > f->parm.max_freq) frequency = f->parm.max_freq;
+
+ divider = (f->parm.fcar+(CARD16)frequency) & 0x7fff;
+ f->tuner_data.div1 = (CARD8)((divider>>8)&0x7f);
+ f->tuner_data.div2 = (CARD8)(divider & 0xff);
+ f->tuner_data.control = f->parm.control;
+
+ if(frequency < f->parm.threshold1)
+ {
+ f->tuner_data.band = f->parm.band_low;
+ }
+ else if (frequency < f->parm.threshold2)
+ {
+ f->tuner_data.band = f->parm.band_mid;
+ }
+ else
+ {
+ f->tuner_data.band = f->parm.band_high;
+ }
+
+ xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "Setting tuner band to %d\n", f->tuner_data.band);
+
+ xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "Setting tuner frequency to %d\n", (int)frequency);
+
+ if ((f->type == TUNER_TYPE_FM1216ME) || (f->type == TUNER_TYPE_FI1236W))
+ {
+ f->tuner_data.aux = 0x20;
+ I2C_WriteRead(&(f->d), (I2CByte *)&(f->tuner_data), 5, NULL, 0);
+ I2C_WriteRead(&(f->d), NULL, 0, &data, 1);
+ xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "Tuner status %x\n", data);
+
+ }
+ else
+ I2C_WriteRead(&(f->d), (I2CByte *)&(f->tuner_data), 4, NULL, 0);
+}
+
+void TUNER_set_frequency(FI1236Ptr f, CARD32 frequency)
+{
+ if(frequency < f->parm.min_freq) frequency = f->parm.min_freq;
+ if(frequency > f->parm.max_freq) frequency = f->parm.max_freq;
+
+ f->afc_delta=0;
+ f->original_frequency=frequency;
+
+ if(f->type==TUNER_TYPE_MT2032)
+ {
+ MT2032_tune(f, (1.0*frequency)/16.0, 0.0625);
+ } else
+ {
+ FI1236_tune(f, frequency);
+ }
+
+ if(!f->afc_timer_installed)
+ {
+ f->afc_timer_installed=TRUE;
+/* RegisterBlockAndWakeupHandlers(FI1236_BlockHandler, AFCWakeup, f); */
+ TimerSet(NULL, 0, 300, AFC_TimerCallback, f);
+ }
+
+}
+
+
+int FI1236_AFC(FI1236Ptr f)
+{
+ #if 0
+ xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "AFC: f=%p f->count=%d f->original_frequency=%d f->afc_delta=%d\n", f, f->afc_count, f->original_frequency, f->afc_delta);
+ #endif
+ f->afc_count++;
+ if(f->type==TUNER_TYPE_MT2032)
+ {
+ f->last_afc_hint=MT2032_get_afc_hint(f);
+ xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "AFC: afc_hint=%d\n", f->last_afc_hint);
+ if(f->last_afc_hint==TUNER_TUNED)return 0;
+ if(f->afc_count>3)f->last_afc_hint=TUNER_OFF;
+ if(f->last_afc_hint==TUNER_OFF)
+ {
+ f->afc_delta=0;
+ } else
+ f->afc_delta+=f->last_afc_hint;
+ xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "AFC: Setting tuner frequency to %g\n", (0.5*(2*f->original_frequency+f->afc_delta))/16.0);
+ MT2032_tune(f, (1.0*f->original_frequency+0.5*f->afc_delta)/16.0, 0.03125);
+ if(f->last_afc_hint==TUNER_OFF)return 0;
+ return 1; /* call me again */
+ } else
+ {
+ f->last_afc_hint=FI1236_get_afc_hint(f);
+ if(f->last_afc_hint==TUNER_TUNED)
+ {
+ xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "AFC: TUNER_TUNNED\n");
+ return 0;
+ }
+ if(f->afc_count>3)f->last_afc_hint=TUNER_OFF;
+ if(f->last_afc_hint==TUNER_OFF)
+ {
+ f->afc_delta=0;
+ } else
+ f->afc_delta+=f->last_afc_hint;
+ xf86DrvMsg(f->d.pI2CBus->scrnIndex, X_INFO, "AFC: Setting tuner frequency to %g\n", (0.5*(2*f->original_frequency+f->afc_delta))/16.0);
+ FI1236_tune(f, f->original_frequency+f->afc_delta);
+ if(f->last_afc_hint==TUNER_OFF)return 0;
+ return 1; /* call me again */
+ }
+ return 0; /* done */
+}
+
+void fi1236_dump_status(FI1236Ptr f)
+{
+if(f->type==TUNER_TYPE_MT2032){
+ MT2032_dump_status(f);
+ }
+}
diff --git a/xorg-server/hw/xfree86/i2c/msp3430.c b/xorg-server/hw/xfree86/i2c/msp3430.c index 4bd3a7187..b58c3f09c 100644 --- a/xorg-server/hw/xfree86/i2c/msp3430.c +++ b/xorg-server/hw/xfree86/i2c/msp3430.c @@ -1,726 +1,726 @@ -#ifdef HAVE_XORG_CONFIG_H -#include <xorg-config.h> -#endif - -#include <string.h> -#include <unistd.h> - -#include "xf86.h" -#include "xf86i2c.h" -#include "msp3430.h" -#include "i2c_def.h" - -#define CONTROL 0x00 -#define WR_DEM 0x10 -#define RD_DEM 0x11 -#define WR_DSP 0x12 -#define RD_DSP 0x13 - - -void InitMSP34xxG(MSP3430Ptr m); -void InitMSP34x5D(MSP3430Ptr m); -void CheckModeMSP34x5D(MSP3430Ptr m); -char *MSP_getProductName (CARD16 product_id); -void mpause(int milliseconds); - -#define __MSPDEBUG__ 0 - -#if __MSPDEBUG__ > 3 - -void MSPBeep(MSP3430Ptr m, CARD8 freq); -#define __MSPBEEP MSPBeep(m,0x14); - -#else - -#define __MSPBEEP -#endif - -static void SetMSP3430Control(MSP3430Ptr m, CARD8 RegAddress, CARD8 RegValueHigh, CARD8 RegValueLow) -{ - I2CByte data[3]; - - data[0]=RegAddress; - data[1]=RegValueHigh; - data[2]=RegValueLow; - - I2C_WriteRead(&(m->d),data,3,NULL,0); -} - -static void SetMSP3430Data(MSP3430Ptr m, CARD8 RegAddress, CARD8 RegSubAddressHigh, CARD8 RegSubAddressLow, - CARD8 RegValueHigh, CARD8 RegValueLow) -{ - I2CByte data[5]; -#ifdef MSP_DEBUG - if(!m->registers_present[RegSubAddressLow]){ - xf86DrvMsg(m->d.pI2CBus->scrnIndex,X_ERROR, "Attempt to access non-existent register in MSP34xxX: 0x%02x 0x%02x 0x%02x <- 0x%02x 0x%02x\n", - RegAddress, RegSubAddressHigh, RegSubAddressLow, RegValueHigh, RegValueLow); - } -#endif - - data[0] = RegAddress; - data[1] = RegSubAddressHigh; - data[2] = RegSubAddressLow; - data[3] = RegValueHigh; - data[4] = RegValueLow; - - I2C_WriteRead(&(m->d),data,5,NULL,0); -} - -static void GetMSP3430Data(MSP3430Ptr m, CARD8 RegAddress, CARD8 RegSubAddressHigh, CARD8 RegSubAddressLow, - CARD8 *RegValueHigh, CARD8 *RegValueLow) -{ - I2CByte send[3]; - I2CByte receive[2]; - - send[0] = RegAddress; - send[1] = RegSubAddressHigh; - send[2] = RegSubAddressLow; - - I2C_WriteRead(&(m->d), send, 3, receive, 2); - - *RegValueHigh = receive[0]; - *RegValueLow = receive[1]; -} - -#if __MSPDEBUG__ > 2 -static void MSP3430DumpStatus(MSP3430Ptr m) -{ -CARD8 status_hi, status_lo; -CARD8 subaddr, data[2]; - -GetMSP3430Data(m, RD_DEM, 0x02, 0x00, &status_hi, &status_lo); -xf86DrvMsg(m->d.pI2CBus->scrnIndex, X_INFO, "MSP34xx: SAP(8)=%d mono/NICAM(7)=%d stereo=%d %s O_1=%d O_0=%d 2nd car=%d 1st car=%d\n", - status_hi & 1, (status_lo>>7) & 1, (status_lo>>6)&1, - (status_lo>>5)? ( (status_hi>>1)&1? "bad NICAM reception" : "NICAM" ) : - ((status_hi>>1)&1 ? "bogus" : "ANALOG FM/AM") , - (status_lo>>4)&1, (status_lo>>3)&1,!( (status_lo>>2)&1), !((status_lo>>1)&1)); - -GetMSP3430Data(m, RD_DEM, 0x00, 0x7E, &status_hi, &status_lo); -xf86DrvMsg(m->d.pI2CBus->scrnIndex, X_INFO, "MSP34xx: standard result=0x%02x%02x\n", - status_hi, status_lo); -subaddr=0x0; -I2C_WriteRead(&(m->d), &subaddr, 1, data, 2); -xf86DrvMsg(m->d.pI2CBus->scrnIndex, X_INFO, "MSP34xx: control=0x%02x%02x\n", - data[1], data[0]); -} -#endif - -/* wrapper */ -void InitMSP3430(MSP3430Ptr m) -{ - #if __MSPDEBUG__ > 1 - xf86DrvMsg(m->d.pI2CBus->scrnIndex,X_INFO,"InitMSP3430(m->connector=%d, m->standard=%d, m->chip_family=%d)\n", - m->connector, m->standard, m->chip_family); - #endif - switch (m->chip_family) { - case MSPFAMILY_34x0G: - InitMSP34xxG(m); - break; - case MSPFAMILY_34x5G: - InitMSP34xxG(m); - break; - case MSPFAMILY_34x5D: - InitMSP34x5D(m); - break; - } -} - -/*----------------------------------------------------------------- -| common functions for all MSP34xx chips -|----------------------------------------------------------------*/ - -MSP3430Ptr DetectMSP3430(I2CBusPtr b, I2CSlaveAddr addr) -{ - MSP3430Ptr m; - I2CByte a; - CARD8 hardware_version, major_revision, product_code, rom_version; - Bool supported; - - m = xcalloc(1,sizeof(MSP3430Rec)); - if(m == NULL)return NULL; - m->d.DevName = strdup("MSP34xx"); - m->d.SlaveAddr = addr; - m->d.pI2CBus = b; - m->d.NextDev = NULL; - m->d.StartTimeout = b->StartTimeout; - m->d.BitTimeout = b->BitTimeout; - m->d.AcknTimeout = b->AcknTimeout; - m->d.ByteTimeout = b->ByteTimeout; - - if(!I2C_WriteRead(&(m->d), NULL, 0, &a, 1)) - { - xfree(m->d.DevName); - xfree(m); - return NULL; - } - - - m->standard=MSP3430_NTSC; - m->connector=MSP3430_CONNECTOR_1; - m->mode=MSPMODE_STEREO_A; /*stereo or chanel A if avail. */ - m->c_format=MSPFORMAT_UNKNOWN; - m->c_standard=MSPSTANDARD_UNKNOWN; - m->c_matrix=m->c_fmmatrix=m->c_source=0; - m->volume=0; - m->recheck=FALSE; - - GetMSP3430Data(m, RD_DSP, 0x00, 0x1E, &hardware_version, &major_revision); - GetMSP3430Data(m, RD_DSP, 0x00, 0x1F, &product_code, &rom_version); - m->hardware_version=hardware_version; - m->major_revision=major_revision; - m->product_code=product_code; - m->rom_version=rom_version; - - m->chip_id=((major_revision << 8) | product_code); - - supported=FALSE; - switch (major_revision) { - case 4: /* 34xxD */ - switch (product_code) { - case 0x05: /* 3405D */ - case 0x0A: /* 3410D */ - case 0x0F: /* 3415D */ - m->chip_family=MSPFAMILY_34x5D; - m->recheck=TRUE; - supported=TRUE; - break; - default: - m->chip_family=MSPFAMILY_34x0D; - } - break; - case 7: /* 34xxG */ - switch(product_code){ - case 0x00: - case 0x0A: - case 0x1E: - case 0x28: - case 0x32: - m->chip_family=MSPFAMILY_34x0G; - supported=TRUE; - break; - case 0x0f: - case 0x19: - case 0x2d: - case 0x37: - case 0x41: - m->chip_family=MSPFAMILY_34x5G; - supported=TRUE; - #ifdef MSP_DEBUG - memset(m->registers_present, 0, 256); - #define A(num) m->registers_present[(num)]=1; - #define B(num1, num2) memset(&(m->registers_present[num1]), 1, num2-num1); - A(0x20) - A(0x30) - A(0x40) - A(0x00) - B(0x01, 0x08) - B(0x0B, 0x0E) - A(0x10) - B(0x12,0x14) - A(0x16) - A(0x29) - #undef B - #undef A - #endif - break; - default: - m->chip_family=MSPFAMILY_UNKNOWN; - } - break; - default: - m->chip_family=MSPFAMILY_UNKNOWN; - } - - xf86DrvMsg(m->d.pI2CBus->scrnIndex, X_INFO, "Found %s%s, rom version 0x%02x, chip_id=0x%04x\n", - MSP_getProductName(m->chip_id), supported?"":" (unsupported)", rom_version, m->chip_id); - - if (!supported) { - xfree(m->d.DevName); - xfree(m); - return NULL; - } - if(!I2CDevInit(&(m->d))) - { - xfree(m->d.DevName); - xfree(m); - return NULL; - } - - return m; -} - -void ResetMSP3430(MSP3430Ptr m) -{ - /* Reset the MSP3430 */ - SetMSP3430Control(m, 0x00, 0x80, 0x00); - /* Set it back to normal operation */ - SetMSP3430Control(m, 0x00, 0x00, 0x00); - - m->c_format=MSPFORMAT_UNKNOWN; - m->c_standard=MSPSTANDARD_UNKNOWN; - m->c_matrix=m->c_fmmatrix=m->c_source=0; - m->volume=0; -} - -void MSP3430SetVolume (MSP3430Ptr m, CARD8 value) -{ - CARD8 result; -#if 0 - CARD8 old_volume; - GetMSP3430Data(m, RD_DSP, 0x00, 0x00, &old_volume, &result); - xf86DrvMsg(m->d.pI2CBus->scrnIndex, X_INFO, "MSP3430 result 0x%02x\n", result); -#endif - /* save an extra Get call */ - result=0; - - SetMSP3430Data(m, WR_DSP, 0x00, 0x00, value, result); - - SetMSP3430Data(m, WR_DSP, 0x00, 0x07, value, 0); - m->volume=value; - -#if __MSPDEBUG__ > 2 - MSP3430DumpStatus(m); - __MSPBEEP - GetMSP3430Data(m, RD_DSP, 0x00, 0x00, &old_volume, &result); - xf86DrvMsg(m->d.pI2CBus->scrnIndex, X_INFO, "MSP3430 volume 0x%02x\n",value); -#endif -} - - -void MSP3430SetSAP (MSP3430Ptr m, int mode) -{ - xf86DrvMsg(m->d.pI2CBus->scrnIndex, X_INFO, "Put actual code to change SAP here\n"); - - SetMSP3430Data(m, WR_DSP, 0x00, 0x08, mode & 0xff, 0x20); -} - - -#if 0 -void MSP3430SetSource(MSP3430Ptr m, CARD8 value) -{ - /* Write to DSP, register 0x0008, (loudspeaker channel source/matrix) */ - /* This sets the source to the TV tuner, for stereo operation */ - SetMSP3430Data(m, WR_DSP, 0x00, 0x08, value, 0x20); -} -#endif - - -char *MSP_getProductName (CARD16 product_id) -{ - switch (product_id) { - case 0x0400: return "MSP3400D"; - case 0x040a: return "MSP3410D"; - case 0x0405: return "MSP3405D"; - case 0x040f: return "MSP3415D"; - case 0x0700: return "MSP3400G"; - case 0x070a: return "MSP3410G"; - case 0x071e: return "MSP3430G"; - case 0x0728: return "MSP3440G"; - case 0x0732: return "MSP3450G"; - case 0x070f: return "MSP3415G"; - case 0x0719: return "MSP3425G"; - case 0x072d: return "MSP3445G"; - case 0x0737: return "MSP3455G"; - case 0x0741: return "MSP3465G"; - } - return "MSP - unknown type"; -} - -#if __MSPDEBUG__ > 2 -/*puts beep in MSP output - freq = 0x01 - 16Hz ... 0x40 - 1kHz ... 0xff - 4kHz -*/ -void MSPBeep(MSP3430Ptr m, CARD8 freq) { - SetMSP3430Data (m, WR_DSP, 0x00, freq, 0x7f, 0x40); - mpause(100); - SetMSP3430Data (m, WR_DSP, 0x00, 0x14, 0x00, 0x00); -} -#endif - -void mpause(int milliseconds) { - int i,m; - m=milliseconds/20; - for (i=0;i<m;i++) usleep(20000); -} - -/*----------------------------------------------------------------- -| specific functions for all MSP34xxG chips -|----------------------------------------------------------------*/ - -void InitMSP34xxG(MSP3430Ptr m) -{ - - #if __MSPDEBUG__ > 1 - xf86DrvMsg(m->d.pI2CBus->scrnIndex,X_INFO,"InitMSP34xxG(m->connector=%d, m->standard=%d, m->chip_family=%d)\n", - m->connector, m->standard, m->chip_family); - #endif - /* Reset MSP3430 */ - SetMSP3430Control(m, 0x00, 0x80, 0x00); - /* Set it back to normal operation */ - SetMSP3430Control(m, 0x00, 0x00, 0x00); - - /*set MODUS register */ - /* bits: 0 - automatic sound detection */ - /* 1 - enable STATUS change */ - /* 12 - detect 6.5 Mhz carrier as D/K1, D/K2 or D/K NICAM (does not seem to work ) */ - /* 13 - detect 4.5 Mhz carrier as BTSC */ - if ( (m->standard & 0xff) == MSP3430_PAL ) - { - SetMSP3430Data(m, WR_DEM, 0x00, 0x30, 0x30, 0x03|0x08); /* make O_ pins tristate */ - /* PAL standard */ - SetMSP3430Data(m, WR_DEM, 0x00, 0x20, 0x00, 0x01); /* possibly wrong */ - } else { - SetMSP3430Data(m, WR_DEM, 0x00, 0x30, 0x20, 0x03|0x08); - /* standard selection is M-BTSC-Stereo */ - SetMSP3430Data(m, WR_DEM, 0x00, 0x20, 0x00, 0x20); - } - - switch(m->connector){ - case MSP3430_CONNECTOR_1: - SetMSP3430Data(m, WR_DSP, 0x00, 0x08, 0x03, 0x20); - break; - case MSP3430_CONNECTOR_2: - /* this has not been checked yet.. could be bogus */ - /* SCART Input Prescale: 0 dB gain */ - SetMSP3430Data(m, WR_DSP, 0x00, 0x0d, 0x19, 0x00); - SetMSP3430Data(m, WR_DSP, 0x00, 0x08, 0x02, 0x20); - break; - case MSP3430_CONNECTOR_3: - default: - /* SCART Input Prescale: 0 dB gain */ - SetMSP3430Data(m, WR_DSP, 0x00, 0x0d, 0x19, 0x00); - - SetMSP3430Data(m, WR_DSP, 0x00, 0x08, 0x02, 0x20); - break; - } - - switch(m->standard){ - case MSP3430_PAL: - SetMSP3430Data(m, WR_DSP, 0x00, 0x0e, 0x24, 0x03); - SetMSP3430Data(m, WR_DSP, 0x00, 0x10, 0x00, 0x5a); - SetMSP3430Data(m, WR_DEM, 0x00, 0x20, 0x00, 0x03); - /* Set volume to FAST_MUTE. */ - SetMSP3430Data(m, WR_DSP, 0x00, 0x00, 0xFF, 0x00); - break; - case MSP3430_PAL_DK1: - SetMSP3430Data(m, WR_DSP, 0x00, 0x0e, 0x24, 0x03); - SetMSP3430Data(m, WR_DSP, 0x00, 0x10, 0x00, 0x5a); - SetMSP3430Data(m, WR_DEM, 0x00, 0x20, 0x00, 0x04); - /* Set volume to FAST_MUTE. */ - SetMSP3430Data(m, WR_DSP, 0x00, 0x00, 0xFF, 0x00); - break; - case MSP3430_SECAM: /* is this right ? */ - case MSP3430_NTSC: - /* Write to DSP, register 0x000E, (prescale FM/FM matrix) */ - SetMSP3430Data(m, WR_DSP, 0x00, 0x0e, 0x24, 0x03); - - /* Set volume to FAST_MUTE. */ - SetMSP3430Data(m, WR_DSP, 0x00, 0x00, 0xFF, 0x00); - break; - } - -} - -/*----------------------------------------------------------------- -| specific functions for all MSP34x5D chips -|----------------------------------------------------------------*/ - -void InitMSP34x5D(MSP3430Ptr m) -{ -int count; -CARD8 high,low; -CARD16 result,standard; -CARD16 peak; - - -if (m->c_format==MSPFORMAT_UNKNOWN) ResetMSP3430(m); -else { - /*mute volume*/ - SetMSP3430Data (m, WR_DSP, 0x00, 0x00, 0x00, 0x00); -} - - - - switch(m->connector){ - case MSP3430_CONNECTOR_2: - case MSP3430_CONNECTOR_3: - if (m->c_format!=MSPFORMAT_SCART) { - /* SCART Input Prescale: 0 dB gain */ - SetMSP3430Data (m, WR_DSP, 0x00, 0x0d, 0x19, 0x00); - /* this has not been checked yet.. could be bogus */ - m->c_format=MSPFORMAT_SCART; /*stereo*/ - } - break; - case MSP3430_CONNECTOR_1: - default: - - switch ( m->standard & 0x00ff ) { - case MSP3430_PAL: - switch( m->standard ) { - case MSP3430_PAL_DK1: - standard=MSPSTANDARD_FM_DK1; - break; -/* case MSP3430_PAL_DK2: - standard=MSPSTANDARD_FM_DK2; - break; - case MSP3430_PAL_BG: - may be FM stereo (Germany) or FM NICAM (Scandinavia,spain) - standard=MSPSTANDARD_AUTO; - break; -*/ - default: - standard=MSPSTANDARD_AUTO; - } - break; - case MSP3430_SECAM: - standard=MSPSTANDARD_AUTO; - case MSP3430_NTSC: - /* Only MSP34x5 supported format - Korean NTSC-M*/ - standard=MSPSTANDARD_FM_M; - default: - standard=MSPSTANDARD_AUTO; - } - - /*no NICAM support in MSP3410D - force to autodetect*/ - if ((m->chip_id==0x405) && (standard>=MSPSTANDARD_NICAM_BG)) - standard=MSPSTANDARD_AUTO; - - if (m->c_standard != standard) { - - SetMSP3430Data (m, WR_DEM, 0x00, 0x20, standard>>8, standard & 0xFF); - if (standard==MSPSTANDARD_AUTO) { - count = 50; /* time shouldn't exceed 1s, just in case */ - do { - usleep(20000); - GetMSP3430Data (m, RD_DEM, 0x00, 0x7e, &high, &low); - result = ( high << 8 ) | low; - --count; - } while( result > 0x07ff && count > 0 ); - - if ((result > MSPSTANDARD_AUTO)) - standard=result; - else standard=MSPSTANDARD_UNKNOWN; -#if __MSPDEBUG__ > 1 - xf86DrvMsg(m->d.pI2CBus->scrnIndex,X_INFO,"Detected audio standard: %d\n",result); -#endif - /* result = MSPSTANDARD_NICAM_L can be one of: - SECAM_L - MSPSTANDARD_NICAM_L - D/K1 - MSPSTANDARD_FM_DK1 - D/K2 - MSPSTANDARD_FM_DK2 - D/K-NICAM - MSPSTANDARD_NICAM_DK*/ - if( standard == MSPSTANDARD_NICAM_L ) { - if ((m->standard & 0x00ff)==MSP3430_PAL) { - /* force PAL D/K */ - standard=MSPSTANDARD_FM_DK1; - SetMSP3430Data (m, WR_DEM, 0x00, 0x20, standard>>8, standard & 0xFF); -#if __MSPDEBUG__ > 1 - xf86DrvMsg(m->d.pI2CBus->scrnIndex,X_INFO, "Detected 6.5MHz carrier - forced to D/K1 !!!\n" ); -#endif - } - } - } - m->c_standard=standard; - } /*end - standard changed*/ - else { - if (standard<MSPSTANDARD_NICAM_BG) { - /* get old value of ident. mode register*/ - GetMSP3430Data (m, RD_DSP, 0x00, 0x15, &high, &low); - /* reset Ident-Filter */ - SetMSP3430Data (m, WR_DSP, 0x00, 0x14, 0x00, 0x3F); - /* put back old value to ident. mode register*/ - SetMSP3430Data (m, WR_DSP, 0x00, 0x14, 0x00, low); - } - } - - if (standard<=MSPSTANDARD_AUTO) { - m->c_format=MSPFORMAT_1xFM; - } - else if (standard<MSPSTANDARD_NICAM_BG) { - /* set FM prescale */ - SetMSP3430Data (m, WR_DSP, 0x00, 0x0e, 0x30, 0); - /* set FM deemphasis*/ - SetMSP3430Data (m, WR_DSP, 0x00, 0x0f, ((standard==MSPSTANDARD_FM_M)?0:1), 0); - - /* check if FM2 carrier is present */ - /*turn off FM DC Notch*/ - SetMSP3430Data (m, WR_DSP, 0x00, 0x17, 0x00, 0x3f); - /*matrix source for Quasi-Peak Detector - stereo: ch2->L ch1->R*/ - SetMSP3430Data (m, WR_DSP, 0x00, 0x0c, 0x00, 0x20); - - mpause(250); - GetMSP3430Data (m, RD_DSP, 0x00, 0x1A, &high, &low); - peak = (high << 8) | low; -#if __MSPDEBUG__ > 1 - xf86DrvMsg(m->d.pI2CBus->scrnIndex,X_INFO,"Second carrier Quasi-Peak detection: %d\n",peak); -#endif - /*turn on FM DC Notch*/ - SetMSP3430Data (m, WR_DSP, 0x00, 0x17, 0x00, 0x00); - - if (peak<5) { - /* if second carrier not detected - only mono from first carrier*/ - m->c_format=MSPFORMAT_1xFM; - } - else { - m->c_format=MSPFORMAT_2xFM; - /*start of FM identification process - FM_WAIT - wait at least 0.5s - used 1s - gives beter resolution*/ - mpause(1000); - } - } - else { - if (standard==MSPSTANDARD_NICAM_L) { - m->c_format=MSPFORMAT_NICAM_AM; - /* set AM prescale */ - SetMSP3430Data (m, WR_DSP, 0x00, 0x0e, 0x7C, 0); - } - else { - m->c_format=MSPFORMAT_NICAM_FM; - /* set FM prescale */ - SetMSP3430Data (m, WR_DSP, 0x00, 0x0e, 0x30, 0); - } - /* set FM deemphasis*/ - SetMSP3430Data (m, WR_DSP, 0x00, 0x0f, 0x00, 0); - /* set NICAM prescale to 0dB */ - SetMSP3430Data (m, WR_DSP, 0x00, 0x10, 0x20, 0); - } - - break; - } /*end - case conector*/ - - CheckModeMSP34x5D(m); - - /* Set volume to FAST_MUTE. */ - /*SetMSP3430Data(m, WR_DSP, 0x00, 0x00, 0xFF, 0x00);*/ - /*set volume*/ - MSP3430SetVolume(m,m->volume); - - __MSPBEEP - - -} /* EnableMSP34x5D ()... */ - - - - -void CheckModeMSP34x5D(MSP3430Ptr m) { - const char stereo_on=25; - const char stereo_off=20; - const char dual_on=-stereo_on; - const char dual_off=-stereo_off; - char detect; - CARD8 matrix, fmmatrix, source, high, low; - - fmmatrix=0; /*no matrix*/ - source=0; /*FM*/ - switch (m->c_format) { - case MSPFORMAT_NICAM_FM: - case MSPFORMAT_NICAM_AM: - case MSPFORMAT_SCART: - source=( (m->c_format == MSPFORMAT_SCART)?2:1 ); - switch (m->mode) { - case MSPMODE_MONO: - matrix=0x30; /*MONO*/ - break; - case MSPMODE_A: - matrix=0x00; /*A*/ - break; - case MSPMODE_B: - matrix=0x10; /*B*/ - break; - default: - matrix=0x20; /*STEREO*/ - break; - } - break; - default: - case MSPFORMAT_1xFM: - matrix=0x00; /*A*/ - break; - case MSPFORMAT_2xFM: - switch (m->mode) { - case MSPMODE_MONO: - matrix=0x30; /*MONO*/ - break; - case MSPMODE_STEREO: - matrix=0x20; /*STEREO*/ - fmmatrix=((m->c_standard==MSPSTANDARD_FM_M)?2:1); - break; - case MSPMODE_AB: - matrix=0x20; /*STEREO*/ - break; - case MSPMODE_A: - matrix=0x00; /*A*/ - break; - case MSPMODE_B: - matrix=0x10; /*B*/ - break; - default: - /*FM_IDENT_CHECK*/ - GetMSP3430Data (m, RD_DSP, 0x00, 0x18, &high, &low); - detect=(char)high; -#if __MSPDEBUG__ > 1 - xf86DrvMsg(m->d.pI2CBus->scrnIndex,X_INFO,"Stereo Detection Register: %d\n",detect); -#endif - if (detect>=((m->c_mode==MSPMODE_STEREO)?stereo_off:stereo_on)) { - m->c_mode=MSPMODE_STEREO; - matrix=0x20; /*STEREO*/ - fmmatrix=((m->c_standard==MSPSTANDARD_FM_M)?2:1); - } - else if (detect<=((m->c_mode==MSPMODE_AB)?dual_off:dual_on)) { - m->c_mode=MSPMODE_AB; - switch (m->mode) { - case MSPMODE_STEREO_AB: matrix=0x20; break; - case MSPMODE_STEREO_B: matrix=0x10; break; - default: - case MSPMODE_A: matrix=0x00; break; - } - } - else { - m->c_mode=MSPMODE_MONO; - matrix=0x30; /*MONO*/ - } - break; - } /* end - case mode*/ - break; - } - - if (m->c_fmmatrix != fmmatrix) { - GetMSP3430Data (m, RD_DSP, 0x00, 0x0e, &high, &low); - SetMSP3430Data (m, WR_DSP, 0x00, 0x0e, high, fmmatrix); - m->c_fmmatrix = fmmatrix; - } - - if ((m->c_matrix != matrix) || (m->c_source != source)) { - /*set chanel source and matrix for loudspeaker*/ - SetMSP3430Data (m, WR_DSP, 0x00, 0x08, source, matrix); - - m->c_matrix = matrix; - m->c_source = source; - } - - if ( ((m->c_format) & 0xF0) == MSPFORMAT_NICAM) - SetMSP3430Data (m, WR_DEM, 0x00, 0x21, 0, 1); - -#if __MSPDEBUG__ > 0 - char *msg; - switch (matrix) { - case 0x30: /*MONO*/ - msg="MONO"; - break; - case 0x00: /*LEFT*/ - msg="MONO/CHANNEL_1"; - break; - case 0x10: /*RIGHT*/ - msg="MONO/CHANNEL_2"; - break; - case 0x20: /*LEFT*/ - msg="STEREO"; - break; - default: - msg="unknown"; - break; - } - xf86DrvMsg(m->d.pI2CBus->scrnIndex,X_INFO,"Audio mode set to: %s\n",msg); -#endif -} - +#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include <string.h>
+#include <unistd.h>
+
+#include "xf86.h"
+#include "xf86i2c.h"
+#include "msp3430.h"
+#include "i2c_def.h"
+
+#define CONTROL 0x00
+#define WR_DEM 0x10
+#define RD_DEM 0x11
+#define WR_DSP 0x12
+#define RD_DSP 0x13
+
+
+void InitMSP34xxG(MSP3430Ptr m);
+void InitMSP34x5D(MSP3430Ptr m);
+void CheckModeMSP34x5D(MSP3430Ptr m);
+char *MSP_getProductName (CARD16 product_id);
+void mpause(int milliseconds);
+
+#define __MSPDEBUG__ 0
+
+#if __MSPDEBUG__ > 3
+
+void MSPBeep(MSP3430Ptr m, CARD8 freq);
+#define __MSPBEEP MSPBeep(m,0x14);
+
+#else
+
+#define __MSPBEEP
+#endif
+
+static void SetMSP3430Control(MSP3430Ptr m, CARD8 RegAddress, CARD8 RegValueHigh, CARD8 RegValueLow)
+{
+ I2CByte data[3];
+
+ data[0]=RegAddress;
+ data[1]=RegValueHigh;
+ data[2]=RegValueLow;
+
+ I2C_WriteRead(&(m->d),data,3,NULL,0);
+}
+
+static void SetMSP3430Data(MSP3430Ptr m, CARD8 RegAddress, CARD8 RegSubAddressHigh, CARD8 RegSubAddressLow,
+ CARD8 RegValueHigh, CARD8 RegValueLow)
+{
+ I2CByte data[5];
+#ifdef MSP_DEBUG
+ if(!m->registers_present[RegSubAddressLow]){
+ xf86DrvMsg(m->d.pI2CBus->scrnIndex,X_ERROR, "Attempt to access non-existent register in MSP34xxX: 0x%02x 0x%02x 0x%02x <- 0x%02x 0x%02x\n",
+ RegAddress, RegSubAddressHigh, RegSubAddressLow, RegValueHigh, RegValueLow);
+ }
+#endif
+
+ data[0] = RegAddress;
+ data[1] = RegSubAddressHigh;
+ data[2] = RegSubAddressLow;
+ data[3] = RegValueHigh;
+ data[4] = RegValueLow;
+
+ I2C_WriteRead(&(m->d),data,5,NULL,0);
+}
+
+static void GetMSP3430Data(MSP3430Ptr m, CARD8 RegAddress, CARD8 RegSubAddressHigh, CARD8 RegSubAddressLow,
+ CARD8 *RegValueHigh, CARD8 *RegValueLow)
+{
+ I2CByte send[3];
+ I2CByte receive[2];
+
+ send[0] = RegAddress;
+ send[1] = RegSubAddressHigh;
+ send[2] = RegSubAddressLow;
+
+ I2C_WriteRead(&(m->d), send, 3, receive, 2);
+
+ *RegValueHigh = receive[0];
+ *RegValueLow = receive[1];
+}
+
+#if __MSPDEBUG__ > 2
+static void MSP3430DumpStatus(MSP3430Ptr m)
+{
+CARD8 status_hi, status_lo;
+CARD8 subaddr, data[2];
+
+GetMSP3430Data(m, RD_DEM, 0x02, 0x00, &status_hi, &status_lo);
+xf86DrvMsg(m->d.pI2CBus->scrnIndex, X_INFO, "MSP34xx: SAP(8)=%d mono/NICAM(7)=%d stereo=%d %s O_1=%d O_0=%d 2nd car=%d 1st car=%d\n",
+ status_hi & 1, (status_lo>>7) & 1, (status_lo>>6)&1,
+ (status_lo>>5)? ( (status_hi>>1)&1? "bad NICAM reception" : "NICAM" ) :
+ ((status_hi>>1)&1 ? "bogus" : "ANALOG FM/AM") ,
+ (status_lo>>4)&1, (status_lo>>3)&1,!( (status_lo>>2)&1), !((status_lo>>1)&1));
+
+GetMSP3430Data(m, RD_DEM, 0x00, 0x7E, &status_hi, &status_lo);
+xf86DrvMsg(m->d.pI2CBus->scrnIndex, X_INFO, "MSP34xx: standard result=0x%02x%02x\n",
+ status_hi, status_lo);
+subaddr=0x0;
+I2C_WriteRead(&(m->d), &subaddr, 1, data, 2);
+xf86DrvMsg(m->d.pI2CBus->scrnIndex, X_INFO, "MSP34xx: control=0x%02x%02x\n",
+ data[1], data[0]);
+}
+#endif
+
+/* wrapper */
+void InitMSP3430(MSP3430Ptr m)
+{
+ #if __MSPDEBUG__ > 1
+ xf86DrvMsg(m->d.pI2CBus->scrnIndex,X_INFO,"InitMSP3430(m->connector=%d, m->standard=%d, m->chip_family=%d)\n",
+ m->connector, m->standard, m->chip_family);
+ #endif
+ switch (m->chip_family) {
+ case MSPFAMILY_34x0G:
+ InitMSP34xxG(m);
+ break;
+ case MSPFAMILY_34x5G:
+ InitMSP34xxG(m);
+ break;
+ case MSPFAMILY_34x5D:
+ InitMSP34x5D(m);
+ break;
+ }
+}
+
+/*-----------------------------------------------------------------
+| common functions for all MSP34xx chips
+|----------------------------------------------------------------*/
+
+MSP3430Ptr DetectMSP3430(I2CBusPtr b, I2CSlaveAddr addr)
+{
+ MSP3430Ptr m;
+ I2CByte a;
+ CARD8 hardware_version, major_revision, product_code, rom_version;
+ Bool supported;
+
+ m = calloc(1,sizeof(MSP3430Rec));
+ if(m == NULL)return NULL;
+ m->d.DevName = strdup("MSP34xx");
+ m->d.SlaveAddr = addr;
+ m->d.pI2CBus = b;
+ m->d.NextDev = NULL;
+ m->d.StartTimeout = b->StartTimeout;
+ m->d.BitTimeout = b->BitTimeout;
+ m->d.AcknTimeout = b->AcknTimeout;
+ m->d.ByteTimeout = b->ByteTimeout;
+
+ if(!I2C_WriteRead(&(m->d), NULL, 0, &a, 1))
+ {
+ free(m->d.DevName);
+ free(m);
+ return NULL;
+ }
+
+
+ m->standard=MSP3430_NTSC;
+ m->connector=MSP3430_CONNECTOR_1;
+ m->mode=MSPMODE_STEREO_A; /*stereo or chanel A if avail. */
+ m->c_format=MSPFORMAT_UNKNOWN;
+ m->c_standard=MSPSTANDARD_UNKNOWN;
+ m->c_matrix=m->c_fmmatrix=m->c_source=0;
+ m->volume=0;
+ m->recheck=FALSE;
+
+ GetMSP3430Data(m, RD_DSP, 0x00, 0x1E, &hardware_version, &major_revision);
+ GetMSP3430Data(m, RD_DSP, 0x00, 0x1F, &product_code, &rom_version);
+ m->hardware_version=hardware_version;
+ m->major_revision=major_revision;
+ m->product_code=product_code;
+ m->rom_version=rom_version;
+
+ m->chip_id=((major_revision << 8) | product_code);
+
+ supported=FALSE;
+ switch (major_revision) {
+ case 4: /* 34xxD */
+ switch (product_code) {
+ case 0x05: /* 3405D */
+ case 0x0A: /* 3410D */
+ case 0x0F: /* 3415D */
+ m->chip_family=MSPFAMILY_34x5D;
+ m->recheck=TRUE;
+ supported=TRUE;
+ break;
+ default:
+ m->chip_family=MSPFAMILY_34x0D;
+ }
+ break;
+ case 7: /* 34xxG */
+ switch(product_code){
+ case 0x00:
+ case 0x0A:
+ case 0x1E:
+ case 0x28:
+ case 0x32:
+ m->chip_family=MSPFAMILY_34x0G;
+ supported=TRUE;
+ break;
+ case 0x0f:
+ case 0x19:
+ case 0x2d:
+ case 0x37:
+ case 0x41:
+ m->chip_family=MSPFAMILY_34x5G;
+ supported=TRUE;
+ #ifdef MSP_DEBUG
+ memset(m->registers_present, 0, 256);
+ #define A(num) m->registers_present[(num)]=1;
+ #define B(num1, num2) memset(&(m->registers_present[num1]), 1, num2-num1);
+ A(0x20)
+ A(0x30)
+ A(0x40)
+ A(0x00)
+ B(0x01, 0x08)
+ B(0x0B, 0x0E)
+ A(0x10)
+ B(0x12,0x14)
+ A(0x16)
+ A(0x29)
+ #undef B
+ #undef A
+ #endif
+ break;
+ default:
+ m->chip_family=MSPFAMILY_UNKNOWN;
+ }
+ break;
+ default:
+ m->chip_family=MSPFAMILY_UNKNOWN;
+ }
+
+ xf86DrvMsg(m->d.pI2CBus->scrnIndex, X_INFO, "Found %s%s, rom version 0x%02x, chip_id=0x%04x\n",
+ MSP_getProductName(m->chip_id), supported?"":" (unsupported)", rom_version, m->chip_id);
+
+ if (!supported) {
+ free(m->d.DevName);
+ free(m);
+ return NULL;
+ }
+ if(!I2CDevInit(&(m->d)))
+ {
+ free(m->d.DevName);
+ free(m);
+ return NULL;
+ }
+
+ return m;
+}
+
+void ResetMSP3430(MSP3430Ptr m)
+{
+ /* Reset the MSP3430 */
+ SetMSP3430Control(m, 0x00, 0x80, 0x00);
+ /* Set it back to normal operation */
+ SetMSP3430Control(m, 0x00, 0x00, 0x00);
+
+ m->c_format=MSPFORMAT_UNKNOWN;
+ m->c_standard=MSPSTANDARD_UNKNOWN;
+ m->c_matrix=m->c_fmmatrix=m->c_source=0;
+ m->volume=0;
+}
+
+void MSP3430SetVolume (MSP3430Ptr m, CARD8 value)
+{
+ CARD8 result;
+#if 0
+ CARD8 old_volume;
+ GetMSP3430Data(m, RD_DSP, 0x00, 0x00, &old_volume, &result);
+ xf86DrvMsg(m->d.pI2CBus->scrnIndex, X_INFO, "MSP3430 result 0x%02x\n", result);
+#endif
+ /* save an extra Get call */
+ result=0;
+
+ SetMSP3430Data(m, WR_DSP, 0x00, 0x00, value, result);
+
+ SetMSP3430Data(m, WR_DSP, 0x00, 0x07, value, 0);
+ m->volume=value;
+
+#if __MSPDEBUG__ > 2
+ MSP3430DumpStatus(m);
+ __MSPBEEP
+ GetMSP3430Data(m, RD_DSP, 0x00, 0x00, &old_volume, &result);
+ xf86DrvMsg(m->d.pI2CBus->scrnIndex, X_INFO, "MSP3430 volume 0x%02x\n",value);
+#endif
+}
+
+
+void MSP3430SetSAP (MSP3430Ptr m, int mode)
+{
+ xf86DrvMsg(m->d.pI2CBus->scrnIndex, X_INFO, "Put actual code to change SAP here\n");
+
+ SetMSP3430Data(m, WR_DSP, 0x00, 0x08, mode & 0xff, 0x20);
+}
+
+
+#if 0
+void MSP3430SetSource(MSP3430Ptr m, CARD8 value)
+{
+ /* Write to DSP, register 0x0008, (loudspeaker channel source/matrix) */
+ /* This sets the source to the TV tuner, for stereo operation */
+ SetMSP3430Data(m, WR_DSP, 0x00, 0x08, value, 0x20);
+}
+#endif
+
+
+char *MSP_getProductName (CARD16 product_id)
+{
+ switch (product_id) {
+ case 0x0400: return "MSP3400D";
+ case 0x040a: return "MSP3410D";
+ case 0x0405: return "MSP3405D";
+ case 0x040f: return "MSP3415D";
+ case 0x0700: return "MSP3400G";
+ case 0x070a: return "MSP3410G";
+ case 0x071e: return "MSP3430G";
+ case 0x0728: return "MSP3440G";
+ case 0x0732: return "MSP3450G";
+ case 0x070f: return "MSP3415G";
+ case 0x0719: return "MSP3425G";
+ case 0x072d: return "MSP3445G";
+ case 0x0737: return "MSP3455G";
+ case 0x0741: return "MSP3465G";
+ }
+ return "MSP - unknown type";
+}
+
+#if __MSPDEBUG__ > 2
+/*puts beep in MSP output
+ freq = 0x01 - 16Hz ... 0x40 - 1kHz ... 0xff - 4kHz
+*/
+void MSPBeep(MSP3430Ptr m, CARD8 freq) {
+ SetMSP3430Data (m, WR_DSP, 0x00, freq, 0x7f, 0x40);
+ mpause(100);
+ SetMSP3430Data (m, WR_DSP, 0x00, 0x14, 0x00, 0x00);
+}
+#endif
+
+void mpause(int milliseconds) {
+ int i,m;
+ m=milliseconds/20;
+ for (i=0;i<m;i++) usleep(20000);
+}
+
+/*-----------------------------------------------------------------
+| specific functions for all MSP34xxG chips
+|----------------------------------------------------------------*/
+
+void InitMSP34xxG(MSP3430Ptr m)
+{
+
+ #if __MSPDEBUG__ > 1
+ xf86DrvMsg(m->d.pI2CBus->scrnIndex,X_INFO,"InitMSP34xxG(m->connector=%d, m->standard=%d, m->chip_family=%d)\n",
+ m->connector, m->standard, m->chip_family);
+ #endif
+ /* Reset MSP3430 */
+ SetMSP3430Control(m, 0x00, 0x80, 0x00);
+ /* Set it back to normal operation */
+ SetMSP3430Control(m, 0x00, 0x00, 0x00);
+
+ /*set MODUS register */
+ /* bits: 0 - automatic sound detection */
+ /* 1 - enable STATUS change */
+ /* 12 - detect 6.5 Mhz carrier as D/K1, D/K2 or D/K NICAM (does not seem to work ) */
+ /* 13 - detect 4.5 Mhz carrier as BTSC */
+ if ( (m->standard & 0xff) == MSP3430_PAL )
+ {
+ SetMSP3430Data(m, WR_DEM, 0x00, 0x30, 0x30, 0x03|0x08); /* make O_ pins tristate */
+ /* PAL standard */
+ SetMSP3430Data(m, WR_DEM, 0x00, 0x20, 0x00, 0x01); /* possibly wrong */
+ } else {
+ SetMSP3430Data(m, WR_DEM, 0x00, 0x30, 0x20, 0x03|0x08);
+ /* standard selection is M-BTSC-Stereo */
+ SetMSP3430Data(m, WR_DEM, 0x00, 0x20, 0x00, 0x20);
+ }
+
+ switch(m->connector){
+ case MSP3430_CONNECTOR_1:
+ SetMSP3430Data(m, WR_DSP, 0x00, 0x08, 0x03, 0x20);
+ break;
+ case MSP3430_CONNECTOR_2:
+ /* this has not been checked yet.. could be bogus */
+ /* SCART Input Prescale: 0 dB gain */
+ SetMSP3430Data(m, WR_DSP, 0x00, 0x0d, 0x19, 0x00);
+ SetMSP3430Data(m, WR_DSP, 0x00, 0x08, 0x02, 0x20);
+ break;
+ case MSP3430_CONNECTOR_3:
+ default:
+ /* SCART Input Prescale: 0 dB gain */
+ SetMSP3430Data(m, WR_DSP, 0x00, 0x0d, 0x19, 0x00);
+
+ SetMSP3430Data(m, WR_DSP, 0x00, 0x08, 0x02, 0x20);
+ break;
+ }
+
+ switch(m->standard){
+ case MSP3430_PAL:
+ SetMSP3430Data(m, WR_DSP, 0x00, 0x0e, 0x24, 0x03);
+ SetMSP3430Data(m, WR_DSP, 0x00, 0x10, 0x00, 0x5a);
+ SetMSP3430Data(m, WR_DEM, 0x00, 0x20, 0x00, 0x03);
+ /* Set volume to FAST_MUTE. */
+ SetMSP3430Data(m, WR_DSP, 0x00, 0x00, 0xFF, 0x00);
+ break;
+ case MSP3430_PAL_DK1:
+ SetMSP3430Data(m, WR_DSP, 0x00, 0x0e, 0x24, 0x03);
+ SetMSP3430Data(m, WR_DSP, 0x00, 0x10, 0x00, 0x5a);
+ SetMSP3430Data(m, WR_DEM, 0x00, 0x20, 0x00, 0x04);
+ /* Set volume to FAST_MUTE. */
+ SetMSP3430Data(m, WR_DSP, 0x00, 0x00, 0xFF, 0x00);
+ break;
+ case MSP3430_SECAM: /* is this right ? */
+ case MSP3430_NTSC:
+ /* Write to DSP, register 0x000E, (prescale FM/FM matrix) */
+ SetMSP3430Data(m, WR_DSP, 0x00, 0x0e, 0x24, 0x03);
+
+ /* Set volume to FAST_MUTE. */
+ SetMSP3430Data(m, WR_DSP, 0x00, 0x00, 0xFF, 0x00);
+ break;
+ }
+
+}
+
+/*-----------------------------------------------------------------
+| specific functions for all MSP34x5D chips
+|----------------------------------------------------------------*/
+
+void InitMSP34x5D(MSP3430Ptr m)
+{
+int count;
+CARD8 high,low;
+CARD16 result,standard;
+CARD16 peak;
+
+
+if (m->c_format==MSPFORMAT_UNKNOWN) ResetMSP3430(m);
+else {
+ /*mute volume*/
+ SetMSP3430Data (m, WR_DSP, 0x00, 0x00, 0x00, 0x00);
+}
+
+
+
+ switch(m->connector){
+ case MSP3430_CONNECTOR_2:
+ case MSP3430_CONNECTOR_3:
+ if (m->c_format!=MSPFORMAT_SCART) {
+ /* SCART Input Prescale: 0 dB gain */
+ SetMSP3430Data (m, WR_DSP, 0x00, 0x0d, 0x19, 0x00);
+ /* this has not been checked yet.. could be bogus */
+ m->c_format=MSPFORMAT_SCART; /*stereo*/
+ }
+ break;
+ case MSP3430_CONNECTOR_1:
+ default:
+
+ switch ( m->standard & 0x00ff ) {
+ case MSP3430_PAL:
+ switch( m->standard ) {
+ case MSP3430_PAL_DK1:
+ standard=MSPSTANDARD_FM_DK1;
+ break;
+/* case MSP3430_PAL_DK2:
+ standard=MSPSTANDARD_FM_DK2;
+ break;
+ case MSP3430_PAL_BG:
+ may be FM stereo (Germany) or FM NICAM (Scandinavia,spain)
+ standard=MSPSTANDARD_AUTO;
+ break;
+*/
+ default:
+ standard=MSPSTANDARD_AUTO;
+ }
+ break;
+ case MSP3430_SECAM:
+ standard=MSPSTANDARD_AUTO;
+ case MSP3430_NTSC:
+ /* Only MSP34x5 supported format - Korean NTSC-M*/
+ standard=MSPSTANDARD_FM_M;
+ default:
+ standard=MSPSTANDARD_AUTO;
+ }
+
+ /*no NICAM support in MSP3410D - force to autodetect*/
+ if ((m->chip_id==0x405) && (standard>=MSPSTANDARD_NICAM_BG))
+ standard=MSPSTANDARD_AUTO;
+
+ if (m->c_standard != standard) {
+
+ SetMSP3430Data (m, WR_DEM, 0x00, 0x20, standard>>8, standard & 0xFF);
+ if (standard==MSPSTANDARD_AUTO) {
+ count = 50; /* time shouldn't exceed 1s, just in case */
+ do {
+ usleep(20000);
+ GetMSP3430Data (m, RD_DEM, 0x00, 0x7e, &high, &low);
+ result = ( high << 8 ) | low;
+ --count;
+ } while( result > 0x07ff && count > 0 );
+
+ if ((result > MSPSTANDARD_AUTO))
+ standard=result;
+ else standard=MSPSTANDARD_UNKNOWN;
+#if __MSPDEBUG__ > 1
+ xf86DrvMsg(m->d.pI2CBus->scrnIndex,X_INFO,"Detected audio standard: %d\n",result);
+#endif
+ /* result = MSPSTANDARD_NICAM_L can be one of:
+ SECAM_L - MSPSTANDARD_NICAM_L
+ D/K1 - MSPSTANDARD_FM_DK1
+ D/K2 - MSPSTANDARD_FM_DK2
+ D/K-NICAM - MSPSTANDARD_NICAM_DK*/
+ if( standard == MSPSTANDARD_NICAM_L ) {
+ if ((m->standard & 0x00ff)==MSP3430_PAL) {
+ /* force PAL D/K */
+ standard=MSPSTANDARD_FM_DK1;
+ SetMSP3430Data (m, WR_DEM, 0x00, 0x20, standard>>8, standard & 0xFF);
+#if __MSPDEBUG__ > 1
+ xf86DrvMsg(m->d.pI2CBus->scrnIndex,X_INFO, "Detected 6.5MHz carrier - forced to D/K1 !!!\n" );
+#endif
+ }
+ }
+ }
+ m->c_standard=standard;
+ } /*end - standard changed*/
+ else {
+ if (standard<MSPSTANDARD_NICAM_BG) {
+ /* get old value of ident. mode register*/
+ GetMSP3430Data (m, RD_DSP, 0x00, 0x15, &high, &low);
+ /* reset Ident-Filter */
+ SetMSP3430Data (m, WR_DSP, 0x00, 0x14, 0x00, 0x3F);
+ /* put back old value to ident. mode register*/
+ SetMSP3430Data (m, WR_DSP, 0x00, 0x14, 0x00, low);
+ }
+ }
+
+ if (standard<=MSPSTANDARD_AUTO) {
+ m->c_format=MSPFORMAT_1xFM;
+ }
+ else if (standard<MSPSTANDARD_NICAM_BG) {
+ /* set FM prescale */
+ SetMSP3430Data (m, WR_DSP, 0x00, 0x0e, 0x30, 0);
+ /* set FM deemphasis*/
+ SetMSP3430Data (m, WR_DSP, 0x00, 0x0f, ((standard==MSPSTANDARD_FM_M)?0:1), 0);
+
+ /* check if FM2 carrier is present */
+ /*turn off FM DC Notch*/
+ SetMSP3430Data (m, WR_DSP, 0x00, 0x17, 0x00, 0x3f);
+ /*matrix source for Quasi-Peak Detector - stereo: ch2->L ch1->R*/
+ SetMSP3430Data (m, WR_DSP, 0x00, 0x0c, 0x00, 0x20);
+
+ mpause(250);
+ GetMSP3430Data (m, RD_DSP, 0x00, 0x1A, &high, &low);
+ peak = (high << 8) | low;
+#if __MSPDEBUG__ > 1
+ xf86DrvMsg(m->d.pI2CBus->scrnIndex,X_INFO,"Second carrier Quasi-Peak detection: %d\n",peak);
+#endif
+ /*turn on FM DC Notch*/
+ SetMSP3430Data (m, WR_DSP, 0x00, 0x17, 0x00, 0x00);
+
+ if (peak<5) {
+ /* if second carrier not detected - only mono from first carrier*/
+ m->c_format=MSPFORMAT_1xFM;
+ }
+ else {
+ m->c_format=MSPFORMAT_2xFM;
+ /*start of FM identification process - FM_WAIT
+ wait at least 0.5s - used 1s - gives beter resolution*/
+ mpause(1000);
+ }
+ }
+ else {
+ if (standard==MSPSTANDARD_NICAM_L) {
+ m->c_format=MSPFORMAT_NICAM_AM;
+ /* set AM prescale */
+ SetMSP3430Data (m, WR_DSP, 0x00, 0x0e, 0x7C, 0);
+ }
+ else {
+ m->c_format=MSPFORMAT_NICAM_FM;
+ /* set FM prescale */
+ SetMSP3430Data (m, WR_DSP, 0x00, 0x0e, 0x30, 0);
+ }
+ /* set FM deemphasis*/
+ SetMSP3430Data (m, WR_DSP, 0x00, 0x0f, 0x00, 0);
+ /* set NICAM prescale to 0dB */
+ SetMSP3430Data (m, WR_DSP, 0x00, 0x10, 0x20, 0);
+ }
+
+ break;
+ } /*end - case conector*/
+
+ CheckModeMSP34x5D(m);
+
+ /* Set volume to FAST_MUTE. */
+ /*SetMSP3430Data(m, WR_DSP, 0x00, 0x00, 0xFF, 0x00);*/
+ /*set volume*/
+ MSP3430SetVolume(m,m->volume);
+
+ __MSPBEEP
+
+
+} /* EnableMSP34x5D ()... */
+
+
+
+
+void CheckModeMSP34x5D(MSP3430Ptr m) {
+ const char stereo_on=25;
+ const char stereo_off=20;
+ const char dual_on=-stereo_on;
+ const char dual_off=-stereo_off;
+ char detect;
+ CARD8 matrix, fmmatrix, source, high, low;
+
+ fmmatrix=0; /*no matrix*/
+ source=0; /*FM*/
+ switch (m->c_format) {
+ case MSPFORMAT_NICAM_FM:
+ case MSPFORMAT_NICAM_AM:
+ case MSPFORMAT_SCART:
+ source=( (m->c_format == MSPFORMAT_SCART)?2:1 );
+ switch (m->mode) {
+ case MSPMODE_MONO:
+ matrix=0x30; /*MONO*/
+ break;
+ case MSPMODE_A:
+ matrix=0x00; /*A*/
+ break;
+ case MSPMODE_B:
+ matrix=0x10; /*B*/
+ break;
+ default:
+ matrix=0x20; /*STEREO*/
+ break;
+ }
+ break;
+ default:
+ case MSPFORMAT_1xFM:
+ matrix=0x00; /*A*/
+ break;
+ case MSPFORMAT_2xFM:
+ switch (m->mode) {
+ case MSPMODE_MONO:
+ matrix=0x30; /*MONO*/
+ break;
+ case MSPMODE_STEREO:
+ matrix=0x20; /*STEREO*/
+ fmmatrix=((m->c_standard==MSPSTANDARD_FM_M)?2:1);
+ break;
+ case MSPMODE_AB:
+ matrix=0x20; /*STEREO*/
+ break;
+ case MSPMODE_A:
+ matrix=0x00; /*A*/
+ break;
+ case MSPMODE_B:
+ matrix=0x10; /*B*/
+ break;
+ default:
+ /*FM_IDENT_CHECK*/
+ GetMSP3430Data (m, RD_DSP, 0x00, 0x18, &high, &low);
+ detect=(char)high;
+#if __MSPDEBUG__ > 1
+ xf86DrvMsg(m->d.pI2CBus->scrnIndex,X_INFO,"Stereo Detection Register: %d\n",detect);
+#endif
+ if (detect>=((m->c_mode==MSPMODE_STEREO)?stereo_off:stereo_on)) {
+ m->c_mode=MSPMODE_STEREO;
+ matrix=0x20; /*STEREO*/
+ fmmatrix=((m->c_standard==MSPSTANDARD_FM_M)?2:1);
+ }
+ else if (detect<=((m->c_mode==MSPMODE_AB)?dual_off:dual_on)) {
+ m->c_mode=MSPMODE_AB;
+ switch (m->mode) {
+ case MSPMODE_STEREO_AB: matrix=0x20; break;
+ case MSPMODE_STEREO_B: matrix=0x10; break;
+ default:
+ case MSPMODE_A: matrix=0x00; break;
+ }
+ }
+ else {
+ m->c_mode=MSPMODE_MONO;
+ matrix=0x30; /*MONO*/
+ }
+ break;
+ } /* end - case mode*/
+ break;
+ }
+
+ if (m->c_fmmatrix != fmmatrix) {
+ GetMSP3430Data (m, RD_DSP, 0x00, 0x0e, &high, &low);
+ SetMSP3430Data (m, WR_DSP, 0x00, 0x0e, high, fmmatrix);
+ m->c_fmmatrix = fmmatrix;
+ }
+
+ if ((m->c_matrix != matrix) || (m->c_source != source)) {
+ /*set chanel source and matrix for loudspeaker*/
+ SetMSP3430Data (m, WR_DSP, 0x00, 0x08, source, matrix);
+
+ m->c_matrix = matrix;
+ m->c_source = source;
+ }
+
+ if ( ((m->c_format) & 0xF0) == MSPFORMAT_NICAM)
+ SetMSP3430Data (m, WR_DEM, 0x00, 0x21, 0, 1);
+
+#if __MSPDEBUG__ > 0
+ char *msg;
+ switch (matrix) {
+ case 0x30: /*MONO*/
+ msg="MONO";
+ break;
+ case 0x00: /*LEFT*/
+ msg="MONO/CHANNEL_1";
+ break;
+ case 0x10: /*RIGHT*/
+ msg="MONO/CHANNEL_2";
+ break;
+ case 0x20: /*LEFT*/
+ msg="STEREO";
+ break;
+ default:
+ msg="unknown";
+ break;
+ }
+ xf86DrvMsg(m->d.pI2CBus->scrnIndex,X_INFO,"Audio mode set to: %s\n",msg);
+#endif
+}
+
diff --git a/xorg-server/hw/xfree86/i2c/tda8425.c b/xorg-server/hw/xfree86/i2c/tda8425.c index 7631a0863..abbbb2a03 100644 --- a/xorg-server/hw/xfree86/i2c/tda8425.c +++ b/xorg-server/hw/xfree86/i2c/tda8425.c @@ -1,78 +1,78 @@ -#ifdef HAVE_XORG_CONFIG_H -#include <xorg-config.h> -#endif - -#include "xf86.h" -#include "xf86i2c.h" -#include "tda8425.h" -#include "i2c_def.h" - -#define TDA8425(a,b) { \ - data[0]=a; \ - data[1]=b; \ - I2C_WriteRead(&(t->d), data, 2, NULL, 0); \ - } - -TDA8425Ptr Detect_tda8425(I2CBusPtr b, I2CSlaveAddr addr, Bool force) -{ - TDA8425Ptr t; - - t = xcalloc(1, sizeof(TDA8425Rec)); - if(t == NULL) return NULL; - t->d.DevName = "TDA8425 BTSC Stereo Audio Processor"; - t->d.SlaveAddr = addr; - t->d.pI2CBus = b; - t->d.NextDev = NULL; - t->d.StartTimeout = b->StartTimeout; - t->d.BitTimeout = b->BitTimeout; - t->d.AcknTimeout = b->AcknTimeout; - t->d.ByteTimeout = b->ByteTimeout; - - if(!force && !I2CProbeAddress(b, addr)) - { - xfree(t); - return NULL; - } - - /* set default parameters */ - if(!I2CDevInit(&(t->d))) - { - xfree(t); - return NULL; - } - - return t; -} - -Bool tda8425_init(TDA8425Ptr t) -{ - t->stereo = 3; /* 3 = Spacial 2 = Linear 1 = Pseudo 0 = Forced mono */ - t->v_left = 0xFF; /* FF - C0 */ - t->v_right = 0xFF; /* FF - C0 */ - t->bass = 0xF6; /* 0xFF - 0xF0 */ - t->treble = 0xF6; /* 0xFF - 0xF0 */ - t->src_sel = 3; /* 3 - stereo */ - t->mute = TRUE; - t->mux = 0; /* 0 - source one, 1 -source 2 */ - - tda8425_setaudio(t); - return TRUE; -} - -void tda8425_setaudio(TDA8425Ptr t) -{ - I2CByte data[2]; - - TDA8425(0x00, t->v_left ); - TDA8425(0x01, t->v_right ); - TDA8425(0x02, t->bass ); - TDA8425(0x03, t->treble ); - TDA8425(0x08, 0xC0 | (t->mute ? 0x20 : 0x0) | (t->stereo << 3) | (t->src_sel << 1) | - t->mux); -} - -void tda8425_mute(TDA8425Ptr t, Bool mute) -{ - t->mute = mute; - tda8425_setaudio(t); -} +#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include "xf86.h"
+#include "xf86i2c.h"
+#include "tda8425.h"
+#include "i2c_def.h"
+
+#define TDA8425(a,b) { \
+ data[0]=a; \
+ data[1]=b; \
+ I2C_WriteRead(&(t->d), data, 2, NULL, 0); \
+ }
+
+TDA8425Ptr Detect_tda8425(I2CBusPtr b, I2CSlaveAddr addr, Bool force)
+{
+ TDA8425Ptr t;
+
+ t = calloc(1, sizeof(TDA8425Rec));
+ if(t == NULL) return NULL;
+ t->d.DevName = "TDA8425 BTSC Stereo Audio Processor";
+ t->d.SlaveAddr = addr;
+ t->d.pI2CBus = b;
+ t->d.NextDev = NULL;
+ t->d.StartTimeout = b->StartTimeout;
+ t->d.BitTimeout = b->BitTimeout;
+ t->d.AcknTimeout = b->AcknTimeout;
+ t->d.ByteTimeout = b->ByteTimeout;
+
+ if(!force && !I2CProbeAddress(b, addr))
+ {
+ free(t);
+ return NULL;
+ }
+
+ /* set default parameters */
+ if(!I2CDevInit(&(t->d)))
+ {
+ free(t);
+ return NULL;
+ }
+
+ return t;
+}
+
+Bool tda8425_init(TDA8425Ptr t)
+{
+ t->stereo = 3; /* 3 = Spacial 2 = Linear 1 = Pseudo 0 = Forced mono */
+ t->v_left = 0xFF; /* FF - C0 */
+ t->v_right = 0xFF; /* FF - C0 */
+ t->bass = 0xF6; /* 0xFF - 0xF0 */
+ t->treble = 0xF6; /* 0xFF - 0xF0 */
+ t->src_sel = 3; /* 3 - stereo */
+ t->mute = TRUE;
+ t->mux = 0; /* 0 - source one, 1 -source 2 */
+
+ tda8425_setaudio(t);
+ return TRUE;
+}
+
+void tda8425_setaudio(TDA8425Ptr t)
+{
+ I2CByte data[2];
+
+ TDA8425(0x00, t->v_left );
+ TDA8425(0x01, t->v_right );
+ TDA8425(0x02, t->bass );
+ TDA8425(0x03, t->treble );
+ TDA8425(0x08, 0xC0 | (t->mute ? 0x20 : 0x0) | (t->stereo << 3) | (t->src_sel << 1) |
+ t->mux);
+}
+
+void tda8425_mute(TDA8425Ptr t, Bool mute)
+{
+ t->mute = mute;
+ tda8425_setaudio(t);
+}
diff --git a/xorg-server/hw/xfree86/i2c/tda9850.c b/xorg-server/hw/xfree86/i2c/tda9850.c index 5b0c581ed..5d794dfe5 100644 --- a/xorg-server/hw/xfree86/i2c/tda9850.c +++ b/xorg-server/hw/xfree86/i2c/tda9850.c @@ -1,112 +1,112 @@ -#ifdef HAVE_XORG_CONFIG_H -#include <xorg-config.h> -#endif - -#include "xf86.h" -#include "xf86i2c.h" -#include "tda9850.h" -#include "i2c_def.h" - -#define TDA9850(a,b) { \ - data[0]=a; \ - data[1]=b; \ - I2C_WriteRead(&(t->d), data, 2, NULL, 0); \ - } - -TDA9850Ptr Detect_tda9850(I2CBusPtr b, I2CSlaveAddr addr) -{ - TDA9850Ptr t; - I2CByte a; - - t = xcalloc(1, sizeof(TDA9850Rec)); - if(t == NULL) return NULL; - switch(addr) - { - case TDA9850_ADDR_1: - t->d.DevName = "TDA9850 BTSC Stereo+SAP Audio Processor"; - break; - default: - t->d.DevName = "Generic TDAxxxx"; - break; - } - t->d.SlaveAddr = addr; - t->d.pI2CBus = b; - t->d.NextDev = NULL; - t->d.StartTimeout = b->StartTimeout; - t->d.BitTimeout = b->BitTimeout; - t->d.AcknTimeout = b->AcknTimeout; - t->d.ByteTimeout = b->ByteTimeout; - - if(!I2C_WriteRead(&(t->d), NULL, 0, &a, 1)) - { - xfree(t); - return NULL; - } - - /* set default parameters */ - if(!I2CDevInit(&(t->d))) - { - xfree(t); - return NULL; - } - - return t; -} - -Bool tda9850_init(TDA9850Ptr t) -{ - t->stereo = 1; - t->sap = 0; - t->mute = TRUE; - t->sap_mute = TRUE; - tda9850_setaudio(t); - return TRUE; -} - -void tda9850_setaudio(TDA9850Ptr t) -{ -CARD8 data[2]; - -if(t->mux==2) -{ - TDA9850(0x04,0x0F); TDA9850(0x05,0x0F); TDA9850(0x06, 0x58); - TDA9850(0x07,0x07); TDA9850(0x08,0x00); - TDA9850(0x09,0x00); TDA9850(0x0A,0x03); -} else -{ - TDA9850(0x04,0x07); TDA9850(0x05,0x07); - TDA9850(0x06,0x58); TDA9850(0x07,0x07); - TDA9850(0x08,0x10); TDA9850(0x09,0x10); - TDA9850(0x0A,0x03); -} - -TDA9850(0x06,(t->stereo<<6)|(t->sap<<7)|(t->mute?0x8:0)|(t->sap_mute?0x10:0x0)); -} - -void tda9850_mute(TDA9850Ptr t, Bool mute) -{ -CARD8 data[2]; - -xf86DrvMsg(t->d.pI2CBus->scrnIndex, X_INFO, "tda9850_mute %s\n", mute ? "on" : "off"); -t->mute = mute; - -TDA9850(0x06,(t->stereo<<6)|(t->sap<<7)|(t->mute?0x8:0x0)|(t->sap_mute?0x10:0x0)); -} - -void tda9850_sap_mute(TDA9850Ptr t, Bool sap_mute) -{ -CARD8 data[2]; - -xf86DrvMsg(t->d.pI2CBus->scrnIndex, X_INFO, "tda9850_sap_mute %s\n", sap_mute ? "on" : "off"); -t->sap_mute = sap_mute; - -TDA9850(0x06,(t->stereo<<6)|(t->sap<<7)|(t->mute?0x8:0x0)|(t->sap_mute?0x10:0x0)); -} - -CARD16 tda9850_getstatus(TDA9850Ptr t) -{ -CARD16 status; - -I2C_WriteRead(&(t->d), NULL, 0, (I2CByte *)&status, 2); -return status; -} +#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include "xf86.h"
+#include "xf86i2c.h"
+#include "tda9850.h"
+#include "i2c_def.h"
+
+#define TDA9850(a,b) { \
+ data[0]=a; \
+ data[1]=b; \
+ I2C_WriteRead(&(t->d), data, 2, NULL, 0); \
+ }
+
+TDA9850Ptr Detect_tda9850(I2CBusPtr b, I2CSlaveAddr addr)
+{
+ TDA9850Ptr t;
+ I2CByte a;
+
+ t = calloc(1, sizeof(TDA9850Rec));
+ if(t == NULL) return NULL;
+ switch(addr)
+ {
+ case TDA9850_ADDR_1:
+ t->d.DevName = "TDA9850 BTSC Stereo+SAP Audio Processor";
+ break;
+ default:
+ t->d.DevName = "Generic TDAxxxx";
+ break;
+ }
+ t->d.SlaveAddr = addr;
+ t->d.pI2CBus = b;
+ t->d.NextDev = NULL;
+ t->d.StartTimeout = b->StartTimeout;
+ t->d.BitTimeout = b->BitTimeout;
+ t->d.AcknTimeout = b->AcknTimeout;
+ t->d.ByteTimeout = b->ByteTimeout;
+
+ if(!I2C_WriteRead(&(t->d), NULL, 0, &a, 1))
+ {
+ free(t);
+ return NULL;
+ }
+
+ /* set default parameters */
+ if(!I2CDevInit(&(t->d)))
+ {
+ free(t);
+ return NULL;
+ }
+
+ return t;
+}
+
+Bool tda9850_init(TDA9850Ptr t)
+{
+ t->stereo = 1;
+ t->sap = 0;
+ t->mute = TRUE;
+ t->sap_mute = TRUE;
+ tda9850_setaudio(t);
+ return TRUE;
+}
+
+void tda9850_setaudio(TDA9850Ptr t)
+{
+CARD8 data[2];
+
+if(t->mux==2)
+{
+ TDA9850(0x04,0x0F); TDA9850(0x05,0x0F); TDA9850(0x06, 0x58);
+ TDA9850(0x07,0x07); TDA9850(0x08,0x00);
+ TDA9850(0x09,0x00); TDA9850(0x0A,0x03);
+} else
+{
+ TDA9850(0x04,0x07); TDA9850(0x05,0x07);
+ TDA9850(0x06,0x58); TDA9850(0x07,0x07);
+ TDA9850(0x08,0x10); TDA9850(0x09,0x10);
+ TDA9850(0x0A,0x03);
+}
+
+TDA9850(0x06,(t->stereo<<6)|(t->sap<<7)|(t->mute?0x8:0)|(t->sap_mute?0x10:0x0));
+}
+
+void tda9850_mute(TDA9850Ptr t, Bool mute)
+{
+CARD8 data[2];
+
+xf86DrvMsg(t->d.pI2CBus->scrnIndex, X_INFO, "tda9850_mute %s\n", mute ? "on" : "off");
+t->mute = mute;
+
+TDA9850(0x06,(t->stereo<<6)|(t->sap<<7)|(t->mute?0x8:0x0)|(t->sap_mute?0x10:0x0));
+}
+
+void tda9850_sap_mute(TDA9850Ptr t, Bool sap_mute)
+{
+CARD8 data[2];
+
+xf86DrvMsg(t->d.pI2CBus->scrnIndex, X_INFO, "tda9850_sap_mute %s\n", sap_mute ? "on" : "off");
+t->sap_mute = sap_mute;
+
+TDA9850(0x06,(t->stereo<<6)|(t->sap<<7)|(t->mute?0x8:0x0)|(t->sap_mute?0x10:0x0));
+}
+
+CARD16 tda9850_getstatus(TDA9850Ptr t)
+{
+CARD16 status;
+
+I2C_WriteRead(&(t->d), NULL, 0, (I2CByte *)&status, 2);
+return status;
+}
diff --git a/xorg-server/hw/xfree86/i2c/tda9885.c b/xorg-server/hw/xfree86/i2c/tda9885.c index 4147dfdd7..f22233995 100644 --- a/xorg-server/hw/xfree86/i2c/tda9885.c +++ b/xorg-server/hw/xfree86/i2c/tda9885.c @@ -1,104 +1,104 @@ -#ifdef HAVE_XORG_CONFIG_H -#include <xorg-config.h> -#endif - -#include "xf86.h" -#include "xf86i2c.h" -#include "tda9885.h" -#include "i2c_def.h" - - -TDA9885Ptr Detect_tda9885(I2CBusPtr b, I2CSlaveAddr addr) -{ - TDA9885Ptr t; - I2CByte a; - - t = xcalloc(1, sizeof(TDA9885Rec)); - if(t == NULL) return NULL; - switch(addr) - { - case TDA9885_ADDR_1: - case TDA9885_ADDR_2: - case TDA9885_ADDR_3: - case TDA9885_ADDR_4: - t->d.DevName = "TDA9885 Alignment-free IF-PLL"; - break; - default: - t->d.DevName = "Generic TDAxxxx"; - break; - } - t->d.SlaveAddr = addr; - t->d.pI2CBus = b; - t->d.NextDev = NULL; - t->d.StartTimeout = b->StartTimeout; - t->d.BitTimeout = b->BitTimeout; - t->d.AcknTimeout = b->AcknTimeout; - t->d.ByteTimeout = b->ByteTimeout; - - if(!I2C_WriteRead(&(t->d), NULL, 0, &a, 1)) - { - xfree(t); - return NULL; - } - - /* set default parameters */ - if(!I2CDevInit(&(t->d))) - { - xfree(t); - return NULL; - } - - return t; -} - -Bool tda9885_init(TDA9885Ptr t) -{ - t->forced_mute_audio=1; - return TRUE; -} - -void tda9885_getstatus(TDA9885Ptr t) -{ -CARD8 value; - -I2C_WriteRead(&(t->d), NULL, 0, &value, 1); -t->after_reset=value & 1; -t->afc_status=(value >> 1) & 0xf; -t->fm_carrier=(value>>5)& 1; -t->vif_level=(value >>6) & 1; -t->afc_win=(value >> 7)&1; -} - -void tda9885_setparameters(TDA9885Ptr t) -{ -CARD8 data[4]; - -data[0]=0; /* start with subaddress 0 */ -data[1]=(t->sound_trap & 1) | - ((t->auto_mute_fm &1)<<1) | - ((t->carrier_mode &1)<<2) | - ((t->modulation &3)<<3) | - ((t->forced_mute_audio &1)<<5) | - ((t->port1 & 1)<<6) | - ((t->port2 &1)<<7); /* B data */ -data[2]=(t->top_adjustment & 0x1f) | - ((t->deemphasis & 0x3)<<5) | - ((t->audio_gain & 1) << 7); /* C data */ -data[3]=(t->standard_sound_carrier & 0x3) | - ((t->standard_video_if & 0x07)<<2) | - ((t->minimum_gain & 0x01)<<5) | - ((t->gating & 0x01)<<6) | - ((t->vif_agc & 0x01)<<7); /* E data */ - -I2C_WriteRead(&(t->d), data, 4, NULL, 0); - -xf86DrvMsg(t->d.pI2CBus->scrnIndex,X_INFO,"TDA9885 setparam: B data: %x, C data: %x, E data: %x\n", data[1], data[2], data[3]); -} - -void tda9885_dumpstatus(TDA9885Ptr t) -{ -xf86DrvMsg(t->d.pI2CBus->scrnIndex,X_INFO,"TDA9885 status: after_reset=%d afc_status=%d (%3.1f kHz off) fm_carrier=%d vif_level=%d afc_win=%d %s\n", - t->after_reset, t->afc_status, - (t->afc_status<8)?-12.5-t->afc_status*25.0:-12.5+(16-t->afc_status)*25.0, - t->fm_carrier, t->vif_level, t->afc_win, t->afc_win?"VCO in": "VCO out"); -} +#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include "xf86.h"
+#include "xf86i2c.h"
+#include "tda9885.h"
+#include "i2c_def.h"
+
+
+TDA9885Ptr Detect_tda9885(I2CBusPtr b, I2CSlaveAddr addr)
+{
+ TDA9885Ptr t;
+ I2CByte a;
+
+ t = calloc(1, sizeof(TDA9885Rec));
+ if(t == NULL) return NULL;
+ switch(addr)
+ {
+ case TDA9885_ADDR_1:
+ case TDA9885_ADDR_2:
+ case TDA9885_ADDR_3:
+ case TDA9885_ADDR_4:
+ t->d.DevName = "TDA9885 Alignment-free IF-PLL";
+ break;
+ default:
+ t->d.DevName = "Generic TDAxxxx";
+ break;
+ }
+ t->d.SlaveAddr = addr;
+ t->d.pI2CBus = b;
+ t->d.NextDev = NULL;
+ t->d.StartTimeout = b->StartTimeout;
+ t->d.BitTimeout = b->BitTimeout;
+ t->d.AcknTimeout = b->AcknTimeout;
+ t->d.ByteTimeout = b->ByteTimeout;
+
+ if(!I2C_WriteRead(&(t->d), NULL, 0, &a, 1))
+ {
+ free(t);
+ return NULL;
+ }
+
+ /* set default parameters */
+ if(!I2CDevInit(&(t->d)))
+ {
+ free(t);
+ return NULL;
+ }
+
+ return t;
+}
+
+Bool tda9885_init(TDA9885Ptr t)
+{
+ t->forced_mute_audio=1;
+ return TRUE;
+}
+
+void tda9885_getstatus(TDA9885Ptr t)
+{
+CARD8 value;
+
+I2C_WriteRead(&(t->d), NULL, 0, &value, 1);
+t->after_reset=value & 1;
+t->afc_status=(value >> 1) & 0xf;
+t->fm_carrier=(value>>5)& 1;
+t->vif_level=(value >>6) & 1;
+t->afc_win=(value >> 7)&1;
+}
+
+void tda9885_setparameters(TDA9885Ptr t)
+{
+CARD8 data[4];
+
+data[0]=0; /* start with subaddress 0 */
+data[1]=(t->sound_trap & 1) |
+ ((t->auto_mute_fm &1)<<1) |
+ ((t->carrier_mode &1)<<2) |
+ ((t->modulation &3)<<3) |
+ ((t->forced_mute_audio &1)<<5) |
+ ((t->port1 & 1)<<6) |
+ ((t->port2 &1)<<7); /* B data */
+data[2]=(t->top_adjustment & 0x1f) |
+ ((t->deemphasis & 0x3)<<5) |
+ ((t->audio_gain & 1) << 7); /* C data */
+data[3]=(t->standard_sound_carrier & 0x3) |
+ ((t->standard_video_if & 0x07)<<2) |
+ ((t->minimum_gain & 0x01)<<5) |
+ ((t->gating & 0x01)<<6) |
+ ((t->vif_agc & 0x01)<<7); /* E data */
+
+I2C_WriteRead(&(t->d), data, 4, NULL, 0);
+
+xf86DrvMsg(t->d.pI2CBus->scrnIndex,X_INFO,"TDA9885 setparam: B data: %x, C data: %x, E data: %x\n", data[1], data[2], data[3]);
+}
+
+void tda9885_dumpstatus(TDA9885Ptr t)
+{
+xf86DrvMsg(t->d.pI2CBus->scrnIndex,X_INFO,"TDA9885 status: after_reset=%d afc_status=%d (%3.1f kHz off) fm_carrier=%d vif_level=%d afc_win=%d %s\n",
+ t->after_reset, t->afc_status,
+ (t->afc_status<8)?-12.5-t->afc_status*25.0:-12.5+(16-t->afc_status)*25.0,
+ t->fm_carrier, t->vif_level, t->afc_win, t->afc_win?"VCO in": "VCO out");
+}
diff --git a/xorg-server/hw/xfree86/i2c/uda1380.c b/xorg-server/hw/xfree86/i2c/uda1380.c index defda3cdc..eebe127ed 100644 --- a/xorg-server/hw/xfree86/i2c/uda1380.c +++ b/xorg-server/hw/xfree86/i2c/uda1380.c @@ -1,183 +1,183 @@ -/************************************************************************************* - * Copyright (C) 2005 Bogdan D. bogdand@users.sourceforge.net - * - * Permission is hereby granted, free of charge, to any person obtaining a copy of this - * software and associated documentation files (the "Software"), to deal in the Software - * without restriction, including without limitation the rights to use, copy, modify, - * merge, publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in all copies or - * substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, - * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE - * AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, - * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - * Except as contained in this notice, the name of the author shall not be used in advertising or - * otherwise to promote the sale, use or other dealings in this Software without prior written - * authorization from the author. - * - ************************************************************************************/ - -#ifdef HAVE_XORG_CONFIG_H -#include <xorg-config.h> -#endif - -#include "xf86.h" -#include "xf86i2c.h" -#include "uda1380.h" -#include "i2c_def.h" - -UDA1380Ptr Detect_uda1380(I2CBusPtr b, I2CSlaveAddr addr) -{ - UDA1380Ptr t; - I2CByte a; - - t = xcalloc(1, sizeof(UDA1380Rec)); - if(t == NULL) return NULL; - switch(addr) - { - case UDA1380_ADDR_1: - case UDA1380_ADDR_2: - t->d.DevName = "UDA1380 Stereo audion coder-decoder"; - break; - default: - t->d.DevName = "Generic UDAxxxx"; - break; - } - t->d.SlaveAddr = addr; - t->d.pI2CBus = b; - t->d.NextDev = NULL; - t->d.StartTimeout = b->StartTimeout; - t->d.BitTimeout = b->BitTimeout; - t->d.AcknTimeout = b->AcknTimeout; - t->d.ByteTimeout = b->ByteTimeout; - - if(!I2C_WriteRead(&(t->d), NULL, 0, &a, 1)) - { - xfree(t); - return NULL; - } - - /* set default parameters */ - if(!I2CDevInit(&(t->d))) - { - xfree(t); - return NULL; - } - - xf86DrvMsg(t->d.pI2CBus->scrnIndex,X_INFO,"UDA1380 stereo coder-decoder detected\n"); - - return t; -} - -Bool uda1380_init(UDA1380Ptr t) -{ - CARD8 data[3]; - CARD16 tmp; - Bool ret; - - /* Power control */ - data[0] = 0x02; - tmp = (1 << 13) | (1 << 10) | ( 1 << 8) | (1 << 7) | (1 << 6) | (1 << 3) | (1 << 1); - data[1] = (CARD8)((tmp >> 8) & 0xff); - data[2] = (CARD8)(tmp & 0xff); - ret = I2C_WriteRead(&(t->d), data, 3, NULL, 0); - if (ret == FALSE) - { - xf86DrvMsg(t->d.pI2CBus->scrnIndex,X_INFO,"UDA1380 failed to initialize\n"); - return FALSE; - } - - /* Analog mixer (AVC) */ - data[0] = 0x03; - /* the analog mixer is muted initially */ - data[1] = 0x3f; - data[2] = 0x3f; - ret = I2C_WriteRead(&(t->d), data, 3, NULL, 0); - if (ret == FALSE) - { - xf86DrvMsg(t->d.pI2CBus->scrnIndex,X_INFO,"UDA1380 failed to initialize\n"); - return FALSE; - } - - xf86DrvMsg(t->d.pI2CBus->scrnIndex,X_INFO,"UDA1380 initialized\n"); - - return TRUE; -} - -void uda1380_shutdown(UDA1380Ptr t) -{ - CARD8 data[3]; - Bool ret; - - /* Power control */ - data[0] = 0x02; - data[1] = 0; - data[2] = 0; - ret = I2C_WriteRead(&(t->d), data, 3, NULL, 0); - if (ret == FALSE) - xf86DrvMsg(t->d.pI2CBus->scrnIndex,X_INFO,"UDA1380 failed to shutdown\n"); -} - -void uda1380_setvolume(UDA1380Ptr t, INT32 value) -{ - CARD8 data[3]; - /* - * We have to scale the value ranging from -1000 to 1000 to 0x2c to 0 - */ - CARD8 volume = 47 - (CARD8)((value + 1000) * 47 / 2000); - Bool ret; - - t->analog_mixer_settings = ((volume << 8) & 0x3f00) | (volume & 0x3f); - - /* Analog mixer (AVC) */ - data[0] = 0x03; - data[1] = volume & 0x3f; - data[2] = volume & 0x3f; - ret = I2C_WriteRead(&(t->d), data, 3, NULL, 0); - if (ret == FALSE) - xf86DrvMsg(t->d.pI2CBus->scrnIndex,X_INFO,"UDA1380 failed to set volume\n"); -} - -void uda1380_mute(UDA1380Ptr t, Bool mute) -{ - CARD8 data[3]; - Bool ret; - - if (mute == TRUE) - { - /* Analog mixer (AVC) */ - data[0] = 0x03; - data[1] = 0xff; - data[2] = 0xff; - ret = I2C_WriteRead(&(t->d), data, 3, NULL, 0); - if (ret == FALSE) - xf86DrvMsg(t->d.pI2CBus->scrnIndex,X_INFO,"UDA1380 failed to mute\n"); - } - else - { - /* Analog mixer (AVC) */ - data[0] = 0x03; - data[1] = (CARD8)((t->analog_mixer_settings >> 8) & 0x3f); - data[2] = (CARD8)(t->analog_mixer_settings & 0x3f); - ret = I2C_WriteRead(&(t->d), data, 3, NULL, 0); - if (ret == FALSE) - xf86DrvMsg(t->d.pI2CBus->scrnIndex,X_INFO,"UDA1380 failed to unmute\n"); - } -} - -void uda1380_getstatus(UDA1380Ptr t) -{ -} - -void uda1380_setparameters(UDA1380Ptr t) -{ -} - -void uda1380_dumpstatus(UDA1380Ptr t) -{ -} +/*************************************************************************************
+ * Copyright (C) 2005 Bogdan D. bogdand@users.sourceforge.net
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this
+ * software and associated documentation files (the "Software"), to deal in the Software
+ * without restriction, including without limitation the rights to use, copy, modify,
+ * merge, publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+ * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
+ * AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Except as contained in this notice, the name of the author shall not be used in advertising or
+ * otherwise to promote the sale, use or other dealings in this Software without prior written
+ * authorization from the author.
+ *
+ ************************************************************************************/
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include "xf86.h"
+#include "xf86i2c.h"
+#include "uda1380.h"
+#include "i2c_def.h"
+
+UDA1380Ptr Detect_uda1380(I2CBusPtr b, I2CSlaveAddr addr)
+{
+ UDA1380Ptr t;
+ I2CByte a;
+
+ t = calloc(1, sizeof(UDA1380Rec));
+ if(t == NULL) return NULL;
+ switch(addr)
+ {
+ case UDA1380_ADDR_1:
+ case UDA1380_ADDR_2:
+ t->d.DevName = "UDA1380 Stereo audion coder-decoder";
+ break;
+ default:
+ t->d.DevName = "Generic UDAxxxx";
+ break;
+ }
+ t->d.SlaveAddr = addr;
+ t->d.pI2CBus = b;
+ t->d.NextDev = NULL;
+ t->d.StartTimeout = b->StartTimeout;
+ t->d.BitTimeout = b->BitTimeout;
+ t->d.AcknTimeout = b->AcknTimeout;
+ t->d.ByteTimeout = b->ByteTimeout;
+
+ if(!I2C_WriteRead(&(t->d), NULL, 0, &a, 1))
+ {
+ free(t);
+ return NULL;
+ }
+
+ /* set default parameters */
+ if(!I2CDevInit(&(t->d)))
+ {
+ free(t);
+ return NULL;
+ }
+
+ xf86DrvMsg(t->d.pI2CBus->scrnIndex,X_INFO,"UDA1380 stereo coder-decoder detected\n");
+
+ return t;
+}
+
+Bool uda1380_init(UDA1380Ptr t)
+{
+ CARD8 data[3];
+ CARD16 tmp;
+ Bool ret;
+
+ /* Power control */
+ data[0] = 0x02;
+ tmp = (1 << 13) | (1 << 10) | ( 1 << 8) | (1 << 7) | (1 << 6) | (1 << 3) | (1 << 1);
+ data[1] = (CARD8)((tmp >> 8) & 0xff);
+ data[2] = (CARD8)(tmp & 0xff);
+ ret = I2C_WriteRead(&(t->d), data, 3, NULL, 0);
+ if (ret == FALSE)
+ {
+ xf86DrvMsg(t->d.pI2CBus->scrnIndex,X_INFO,"UDA1380 failed to initialize\n");
+ return FALSE;
+ }
+
+ /* Analog mixer (AVC) */
+ data[0] = 0x03;
+ /* the analog mixer is muted initially */
+ data[1] = 0x3f;
+ data[2] = 0x3f;
+ ret = I2C_WriteRead(&(t->d), data, 3, NULL, 0);
+ if (ret == FALSE)
+ {
+ xf86DrvMsg(t->d.pI2CBus->scrnIndex,X_INFO,"UDA1380 failed to initialize\n");
+ return FALSE;
+ }
+
+ xf86DrvMsg(t->d.pI2CBus->scrnIndex,X_INFO,"UDA1380 initialized\n");
+
+ return TRUE;
+}
+
+void uda1380_shutdown(UDA1380Ptr t)
+{
+ CARD8 data[3];
+ Bool ret;
+
+ /* Power control */
+ data[0] = 0x02;
+ data[1] = 0;
+ data[2] = 0;
+ ret = I2C_WriteRead(&(t->d), data, 3, NULL, 0);
+ if (ret == FALSE)
+ xf86DrvMsg(t->d.pI2CBus->scrnIndex,X_INFO,"UDA1380 failed to shutdown\n");
+}
+
+void uda1380_setvolume(UDA1380Ptr t, INT32 value)
+{
+ CARD8 data[3];
+ /*
+ * We have to scale the value ranging from -1000 to 1000 to 0x2c to 0
+ */
+ CARD8 volume = 47 - (CARD8)((value + 1000) * 47 / 2000);
+ Bool ret;
+
+ t->analog_mixer_settings = ((volume << 8) & 0x3f00) | (volume & 0x3f);
+
+ /* Analog mixer (AVC) */
+ data[0] = 0x03;
+ data[1] = volume & 0x3f;
+ data[2] = volume & 0x3f;
+ ret = I2C_WriteRead(&(t->d), data, 3, NULL, 0);
+ if (ret == FALSE)
+ xf86DrvMsg(t->d.pI2CBus->scrnIndex,X_INFO,"UDA1380 failed to set volume\n");
+}
+
+void uda1380_mute(UDA1380Ptr t, Bool mute)
+{
+ CARD8 data[3];
+ Bool ret;
+
+ if (mute == TRUE)
+ {
+ /* Analog mixer (AVC) */
+ data[0] = 0x03;
+ data[1] = 0xff;
+ data[2] = 0xff;
+ ret = I2C_WriteRead(&(t->d), data, 3, NULL, 0);
+ if (ret == FALSE)
+ xf86DrvMsg(t->d.pI2CBus->scrnIndex,X_INFO,"UDA1380 failed to mute\n");
+ }
+ else
+ {
+ /* Analog mixer (AVC) */
+ data[0] = 0x03;
+ data[1] = (CARD8)((t->analog_mixer_settings >> 8) & 0x3f);
+ data[2] = (CARD8)(t->analog_mixer_settings & 0x3f);
+ ret = I2C_WriteRead(&(t->d), data, 3, NULL, 0);
+ if (ret == FALSE)
+ xf86DrvMsg(t->d.pI2CBus->scrnIndex,X_INFO,"UDA1380 failed to unmute\n");
+ }
+}
+
+void uda1380_getstatus(UDA1380Ptr t)
+{
+}
+
+void uda1380_setparameters(UDA1380Ptr t)
+{
+}
+
+void uda1380_dumpstatus(UDA1380Ptr t)
+{
+}
diff --git a/xorg-server/hw/xfree86/i2c/xf86i2c.c b/xorg-server/hw/xfree86/i2c/xf86i2c.c index 59832d6f9..488b6815f 100644 --- a/xorg-server/hw/xfree86/i2c/xf86i2c.c +++ b/xorg-server/hw/xfree86/i2c/xf86i2c.c @@ -1,866 +1,866 @@ -/* - * Copyright (C) 1998 Itai Nahshon, Michael Schimek - * - * The original code was derived from and inspired by - * the I2C driver from the Linux kernel. - * (c) 1998 Gerd Knorr <kraxel@cs.tu-berlin.de> - */ - - -#ifdef HAVE_XORG_CONFIG_H -#include <xorg-config.h> -#endif - -#include <sys/time.h> -#include <string.h> - -#include "misc.h" -#include "xf86.h" -#include "xf86_OSproc.h" - -#include <X11/X.h> -#include <X11/Xos.h> -#include <X11/Xproto.h> -#include "scrnintstr.h" -#include "regionstr.h" -#include "windowstr.h" -#include "pixmapstr.h" -#include "validate.h" -#include "resource.h" -#include "gcstruct.h" -#include "dixstruct.h" - -#include "xf86i2c.h" - -#define I2C_TIMEOUT(x) /*(x)*/ /* Report timeouts */ -#define I2C_TRACE(x) /*(x)*/ /* Report progress */ - -/* This is the default I2CUDelay function if not supplied by the driver. - * High level I2C interfaces implementing the bus protocol in hardware - * should supply this function too. - * - * Delay execution at least usec microseconds. - * All values 0 to 1e6 inclusive must be expected. - */ - -static void -I2CUDelay(I2CBusPtr b, int usec) -{ - struct timeval begin, cur; - long d_secs, d_usecs; - long diff; - - if (usec > 0) { - X_GETTIMEOFDAY(&begin); - do { - /* It would be nice to use {xf86}usleep, - * but usleep (1) takes >10000 usec ! - */ - X_GETTIMEOFDAY(&cur); - d_secs = (cur.tv_sec - begin.tv_sec); - d_usecs = (cur.tv_usec - begin.tv_usec); - diff = d_secs*1000000 + d_usecs; - } while (diff>=0 && diff< (usec + 1)); - } -} - -/* Most drivers will register just with GetBits/PutBits functions. - * The following functions implement a software I2C protocol - * by using the promitive functions given by the driver. - * ================================================================ - * - * It is assumed that there is just one master on the I2C bus, therefore - * there is no explicit test for conflits. - */ - -#define RISEFALLTIME 2 /* usec, actually 300 to 1000 ns according to the i2c specs */ - -/* Some devices will hold SCL low to slow down the bus or until - * ready for transmission. - * - * This condition will be noticed when the master tries to raise - * the SCL line. You can set the timeout to zero if the slave device - * does not support this clock synchronization. - */ - -static Bool -I2CRaiseSCL(I2CBusPtr b, int sda, int timeout) -{ - int i, scl; - - b->I2CPutBits(b, 1, sda); - b->I2CUDelay(b, b->RiseFallTime); - - for (i = timeout; i > 0; i -= b->RiseFallTime) { - b->I2CGetBits(b, &scl, &sda); - if (scl) break; - b->I2CUDelay(b, b->RiseFallTime); - } - - if (i <= 0) { - I2C_TIMEOUT(ErrorF("[I2CRaiseSCL(<%s>, %d, %d) timeout]", b->BusName, sda, timeout)); - return FALSE; - } - - return TRUE; -} - -/* Send a start signal on the I2C bus. The start signal notifies - * devices that a new transaction is initiated by the bus master. - * - * The start signal is always followed by a slave address. - * Slave addresses are 8+ bits. The first 7 bits identify the - * device and the last bit signals if this is a read (1) or - * write (0) operation. - * - * There may be more than one start signal on one transaction. - * This happens for example on some devices that allow reading - * of registers. First send a start bit followed by the device - * address (with the last bit 0) and the register number. Then send - * a new start bit with the device address (with the last bit 1) - * and then read the value from the device. - * - * Note this is function does not implement a multiple master - * arbitration procedure. - */ - -static Bool -I2CStart(I2CBusPtr b, int timeout) -{ - if (!I2CRaiseSCL(b, 1, timeout)) - return FALSE; - - b->I2CPutBits(b, 1, 0); - b->I2CUDelay(b, b->HoldTime); - b->I2CPutBits(b, 0, 0); - b->I2CUDelay(b, b->HoldTime); - - I2C_TRACE(ErrorF("\ni2c: <")); - - return TRUE; -} - -/* This is the default I2CStop function if not supplied by the driver. - * - * Signal devices on the I2C bus that a transaction on the - * bus has finished. There may be more than one start signal - * on a transaction but only one stop signal. - */ - -static void -I2CStop(I2CDevPtr d) -{ - I2CBusPtr b = d->pI2CBus; - - b->I2CPutBits(b, 0, 0); - b->I2CUDelay(b, b->RiseFallTime); - - b->I2CPutBits(b, 1, 0); - b->I2CUDelay(b, b->HoldTime); - b->I2CPutBits(b, 1, 1); - b->I2CUDelay(b, b->HoldTime); - - I2C_TRACE(ErrorF(">\n")); -} - -/* Write/Read a single bit to/from a device. - * Return FALSE if a timeout occurs. - */ - -static Bool -I2CWriteBit(I2CBusPtr b, int sda, int timeout) -{ - Bool r; - - b->I2CPutBits(b, 0, sda); - b->I2CUDelay(b, b->RiseFallTime); - - r = I2CRaiseSCL(b, sda, timeout); - b->I2CUDelay(b, b->HoldTime); - - b->I2CPutBits(b, 0, sda); - b->I2CUDelay(b, b->HoldTime); - - return r; -} - -static Bool -I2CReadBit(I2CBusPtr b, int *psda, int timeout) -{ - Bool r; - int scl; - - r = I2CRaiseSCL(b, 1, timeout); - b->I2CUDelay(b, b->HoldTime); - - b->I2CGetBits(b, &scl, psda); - - b->I2CPutBits(b, 0, 1); - b->I2CUDelay(b, b->HoldTime); - - return r; -} - -/* This is the default I2CPutByte function if not supplied by the driver. - * - * A single byte is sent to the device. - * The function returns FALSE if a timeout occurs, you should send - * a stop condition afterwards to reset the bus. - * - * A timeout occurs, - * if the slave pulls SCL to slow down the bus more than ByteTimeout usecs, - * or slows down the bus for more than BitTimeout usecs for each bit, - * or does not send an ACK bit (0) to acknowledge the transmission within - * AcknTimeout usecs, but a NACK (1) bit. - * - * AcknTimeout must be at least b->HoldTime, the other timeouts can be - * zero according to the comment on I2CRaiseSCL. - */ - -static Bool -I2CPutByte(I2CDevPtr d, I2CByte data) -{ - Bool r; - int i, scl, sda; - I2CBusPtr b = d->pI2CBus; - - if (!I2CWriteBit(b, (data >> 7) & 1, d->ByteTimeout)) - return FALSE; - - for (i = 6; i >= 0; i--) - if (!I2CWriteBit(b, (data >> i) & 1, d->BitTimeout)) - return FALSE; - - b->I2CPutBits(b, 0, 1); - b->I2CUDelay(b, b->RiseFallTime); - - r = I2CRaiseSCL(b, 1, b->HoldTime); - - if (r) { - for (i = d->AcknTimeout; i > 0; i -= b->HoldTime) { - b->I2CUDelay(b, b->HoldTime); - b->I2CGetBits(b, &scl, &sda); - if (sda == 0) break; - } - - if (i <= 0) { - I2C_TIMEOUT(ErrorF("[I2CPutByte(<%s>, 0x%02x, %d, %d, %d) timeout]", - b->BusName, data, d->BitTimeout, - d->ByteTimeout, d->AcknTimeout)); - r = FALSE; - } - - I2C_TRACE(ErrorF("W%02x%c ", (int) data, sda ? '-' : '+')); - } - - b->I2CPutBits(b, 0, 1); - b->I2CUDelay(b, b->HoldTime); - - return r; -} - -/* This is the default I2CGetByte function if not supplied by the driver. - * - * A single byte is read from the device. - * The function returns FALSE if a timeout occurs, you should send - * a stop condition afterwards to reset the bus. - * - * A timeout occurs, - * if the slave pulls SCL to slow down the bus more than ByteTimeout usecs, - * or slows down the bus for more than b->BitTimeout usecs for each bit. - * - * ByteTimeout must be at least b->HoldTime, the other timeouts can be - * zero according to the comment on I2CRaiseSCL. - * - * For the <last> byte in a sequence the acknowledge bit NACK (1), - * otherwise ACK (0) will be sent. - */ - -static Bool -I2CGetByte(I2CDevPtr d, I2CByte *data, Bool last) -{ - int i, sda; - I2CBusPtr b = d->pI2CBus; - - b->I2CPutBits(b, 0, 1); - b->I2CUDelay(b, b->RiseFallTime); - - if (!I2CReadBit(b, &sda, d->ByteTimeout)) - return FALSE; - - *data = (sda > 0) << 7; - - for (i = 6; i >= 0; i--) - if (!I2CReadBit(b, &sda, d->BitTimeout)) - return FALSE; - else - *data |= (sda > 0) << i; - - if (!I2CWriteBit(b, last ? 1 : 0, d->BitTimeout)) - return FALSE; - - I2C_TRACE(ErrorF("R%02x%c ", (int) *data, last ? '+' : '-')); - - return TRUE; -} - -/* This is the default I2CAddress function if not supplied by the driver. - * - * It creates the start condition, followed by the d->SlaveAddr. - * Higher level functions must call this routine rather than - * I2CStart/PutByte because a hardware I2C master may not be able - * to send a slave address without a start condition. - * - * The same timeouts apply as with I2CPutByte and additional a - * StartTimeout, similar to the ByteTimeout but for the start - * condition. - * - * In case of a timeout, the bus is left in a clean idle condition. - * I. e. you *must not* send a Stop. If this function succeeds, you *must*. - * - * The slave address format is 16 bit, with the legacy _8_bit_ slave address - * in the least significant byte. This is, the slave address must include the - * R/_W flag as least significant bit. - * - * The most significant byte of the address will be sent _after_ the LSB, - * but only if the LSB indicates: - * a) an 11 bit address, this is LSB = 1111 0xxx. - * b) a 'general call address', this is LSB = 0000 000x - see the I2C specs - * for more. - */ - -static Bool -I2CAddress(I2CDevPtr d, I2CSlaveAddr addr) -{ - if (I2CStart(d->pI2CBus, d->StartTimeout)) { - if (I2CPutByte(d, addr & 0xFF)) { - if ((addr & 0xF8) != 0xF0 && - (addr & 0xFE) != 0x00) - return TRUE; - - if (I2CPutByte(d, (addr >> 8) & 0xFF)) - return TRUE; - } - - I2CStop(d); - } - - return FALSE; -} - -/* These are the hardware independent I2C helper functions. - * ======================================================== - */ - -/* Function for probing. Just send the slave address - * and return true if the device responds. The slave address - * must have the lsb set to reflect a read (1) or write (0) access. - * Don't expect a read- or write-only device will respond otherwise. - */ - -Bool -xf86I2CProbeAddress(I2CBusPtr b, I2CSlaveAddr addr) -{ - int r; - I2CDevRec d; - - d.DevName = "Probing"; - d.BitTimeout = b->BitTimeout; - d.ByteTimeout = b->ByteTimeout; - d.AcknTimeout = b->AcknTimeout; - d.StartTimeout = b->StartTimeout; - d.SlaveAddr = addr; - d.pI2CBus = b; - d.NextDev = NULL; - - r = b->I2CAddress(&d, addr); - - if (r) b->I2CStop(&d); - - return r; -} - -/* All functions below are related to devices and take the - * slave address and timeout values from an I2CDevRec. They - * return FALSE in case of an error (presumably a timeout). - */ - -/* General purpose read and write function. - * - * 1st, if nWrite > 0 - * Send a start condition - * Send the slave address (1 or 2 bytes) with write flag - * Write n bytes from WriteBuffer - * 2nd, if nRead > 0 - * Send a start condition [again] - * Send the slave address (1 or 2 bytes) with read flag - * Read n bytes to ReadBuffer - * 3rd, if a Start condition has been successfully sent, - * Send a Stop condition. - * - * The functions exits immediately when an error occures, - * not proceeding any data left. However, step 3 will - * be executed anyway to leave the bus in clean idle state. - */ - -static Bool -I2CWriteRead(I2CDevPtr d, - I2CByte *WriteBuffer, int nWrite, - I2CByte *ReadBuffer, int nRead) -{ - Bool r = TRUE; - I2CBusPtr b = d->pI2CBus; - int s = 0; - - if (r && nWrite > 0) { - r = b->I2CAddress(d, d->SlaveAddr & ~1); - if (r) { - for (; nWrite > 0; WriteBuffer++, nWrite--) - if (!(r = b->I2CPutByte(d, *WriteBuffer))) - break; - s++; - } - } - - if (r && nRead > 0) { - r = b->I2CAddress(d, d->SlaveAddr | 1); - if (r) { - for (; nRead > 0; ReadBuffer++, nRead--) - if (!(r = b->I2CGetByte(d, ReadBuffer, nRead == 1))) - break; - s++; - } - } - - if (s) b->I2CStop(d); - - return r; -} - -/* wrapper - for compatibility and convinience */ - -Bool -xf86I2CWriteRead(I2CDevPtr d, - I2CByte *WriteBuffer, int nWrite, - I2CByte *ReadBuffer, int nRead) -{ - I2CBusPtr b = d->pI2CBus; - return b->I2CWriteRead(d,WriteBuffer,nWrite,ReadBuffer,nRead); -} - -/* Read a byte, the only readable register of a device. - */ - -Bool -xf86I2CReadStatus(I2CDevPtr d, I2CByte *pbyte) -{ - return xf86I2CWriteRead(d, NULL, 0, pbyte, 1); -} - -/* Read a byte from one of the registers determined by its sub-address. - */ - -Bool -xf86I2CReadByte(I2CDevPtr d, I2CByte subaddr, I2CByte *pbyte) -{ - return xf86I2CWriteRead(d, &subaddr, 1, pbyte, 1); -} - -/* Read bytes from subsequent registers determined by the - * sub-address of the first register. - */ - -Bool -xf86I2CReadBytes(I2CDevPtr d, I2CByte subaddr, I2CByte *pbyte, int n) -{ - return xf86I2CWriteRead(d, &subaddr, 1, pbyte, n); -} - -/* Read a word (high byte, then low byte) from one of the registers - * determined by its sub-address. - */ - -Bool -xf86I2CReadWord(I2CDevPtr d, I2CByte subaddr, unsigned short *pword) -{ - I2CByte rb[2]; - - if (!xf86I2CWriteRead(d, &subaddr, 1, rb, 2)) return FALSE; - - *pword = (rb[0] << 8) | rb[1]; - - return TRUE; -} - -/* Write a byte to one of the registers determined by its sub-address. - */ - -Bool -xf86I2CWriteByte(I2CDevPtr d, I2CByte subaddr, I2CByte byte) -{ - I2CByte wb[2]; - - wb[0] = subaddr; - wb[1] = byte; - - return xf86I2CWriteRead(d, wb, 2, NULL, 0); -} - -/* Write bytes to subsequent registers determined by the - * sub-address of the first register. - */ - -Bool -xf86I2CWriteBytes(I2CDevPtr d, I2CByte subaddr, - I2CByte *WriteBuffer, int nWrite) -{ - I2CBusPtr b = d->pI2CBus; - Bool r = TRUE; - - if (nWrite > 0) { - r = b->I2CAddress(d, d->SlaveAddr & ~1); - if (r){ - if ((r = b->I2CPutByte(d, subaddr))) - for (; nWrite > 0; WriteBuffer++, nWrite--) - if (!(r = b->I2CPutByte(d, *WriteBuffer))) - break; - - b->I2CStop(d); - } - } - - return r; -} - -/* Write a word (high byte, then low byte) to one of the registers - * determined by its sub-address. - */ - -Bool -xf86I2CWriteWord(I2CDevPtr d, I2CByte subaddr, unsigned short word) -{ - I2CByte wb[3]; - - wb[0] = subaddr; - wb[1] = word >> 8; - wb[2] = word & 0xFF; - - return xf86I2CWriteRead(d, wb, 3, NULL, 0); -} - -/* Write a vector of bytes to not adjacent registers. This vector is, - * 1st byte sub-address, 2nd byte value, 3rd byte sub-address asf. - * This function is intended to initialize devices. Note this function - * exits immediately when an error occurs, some registers may - * remain uninitialized. - */ - -Bool -xf86I2CWriteVec(I2CDevPtr d, I2CByte *vec, int nValues) -{ - I2CBusPtr b = d->pI2CBus; - Bool r = TRUE; - int s = 0; - - if (nValues > 0) { - for (; nValues > 0; nValues--, vec += 2) { - if (!(r = b->I2CAddress(d, d->SlaveAddr & ~1))) - break; - - s++; - - if (!(r = b->I2CPutByte(d, vec[0]))) - break; - - if (!(r = b->I2CPutByte(d, vec[1]))) - break; - } - - if (s > 0) b->I2CStop(d); - } - - return r; -} - -/* Administrative functions. - * ========================= - */ - -/* Allocates an I2CDevRec for you and initializes with propper defaults - * you may modify before calling xf86I2CDevInit. Your I2CDevRec must - * contain at least a SlaveAddr, and a pI2CBus pointer to the bus this - * device shall be linked to. - * - * See function I2CAddress for the slave address format. Always set - * the least significant bit, indicating a read or write access, to zero. - */ - -I2CDevPtr -xf86CreateI2CDevRec(void) -{ - return xcalloc(1, sizeof(I2CDevRec)); -} - -/* Unlink an I2C device. If you got the I2CDevRec from xf86CreateI2CDevRec - * you should set <unalloc> to free it. - */ - -void -xf86DestroyI2CDevRec(I2CDevPtr d, Bool unalloc) -{ - if (d) { - I2CDevPtr *p; - - /* Remove this from the list of active I2C devices. */ - - for (p = &d->pI2CBus->FirstDev; *p != NULL; p = &(*p)->NextDev) - if (*p == d) { - *p = (*p)->NextDev; - break; - } - - xf86DrvMsg(d->pI2CBus->scrnIndex, X_INFO, - "I2C device \"%s:%s\" removed.\n", - d->pI2CBus->BusName, d->DevName); - - if (unalloc) xfree(d); - } -} - -/* I2C transmissions are related to an I2CDevRec you must link to a - * previously registered bus (see xf86I2CBusInit) before attempting - * to read and write data. You may call xf86I2CProbeAddress first to - * see if the device in question is present on this bus. - * - * xf86I2CDevInit will not allocate an I2CBusRec for you, instead you - * may enter a pointer to a statically allocated I2CDevRec or the (modified) - * result of xf86CreateI2CDevRec. - * - * If you don't specify timeouts for the device (n <= 0), it will inherit - * the bus-wide defaults. The function returns TRUE on success. - */ - -Bool -xf86I2CDevInit(I2CDevPtr d) -{ - I2CBusPtr b; - - if (d == NULL || - (b = d->pI2CBus) == NULL || - (d->SlaveAddr & 1) || - xf86I2CFindDev(b, d->SlaveAddr) != NULL) - return FALSE; - - if (d->BitTimeout <= 0) d->BitTimeout = b->BitTimeout; - if (d->ByteTimeout <= 0) d->ByteTimeout = b->ByteTimeout; - if (d->AcknTimeout <= 0) d->AcknTimeout = b->AcknTimeout; - if (d->StartTimeout <= 0) d->StartTimeout = b->StartTimeout; - - d->NextDev = b->FirstDev; - b->FirstDev = d; - - xf86DrvMsg(b->scrnIndex, X_INFO, - "I2C device \"%s:%s\" registered at address 0x%02X.\n", - b->BusName, d->DevName, d->SlaveAddr); - - return TRUE; -} - -I2CDevPtr -xf86I2CFindDev(I2CBusPtr b, I2CSlaveAddr addr) -{ - I2CDevPtr d; - - if (b) { - for (d = b->FirstDev; d != NULL; d = d->NextDev) - if (d->SlaveAddr == addr) - return d; - } - - return NULL; -} - -static I2CBusPtr I2CBusList; - -/* Allocates an I2CBusRec for you and initializes with propper defaults - * you may modify before calling xf86I2CBusInit. Your I2CBusRec must - * contain at least a BusName, a scrnIndex (or -1), and a complete set - * of either high or low level I2C function pointers. You may pass - * bus-wide timeouts, otherwise inplausible values will be replaced - * with safe defaults. - */ - -I2CBusPtr -xf86CreateI2CBusRec(void) -{ - I2CBusPtr b; - - b = (I2CBusPtr) xcalloc(1, sizeof(I2CBusRec)); - - if (b != NULL) { - b->scrnIndex = -1; - b->HoldTime = 5; /* 100 kHz bus */ - b->BitTimeout = 5; - b->ByteTimeout = 5; - b->AcknTimeout = 5; - b->StartTimeout = 5; - b->RiseFallTime = RISEFALLTIME; - } - - return b; -} - -/* Unregister an I2C bus. If you got the I2CBusRec from xf86CreateI2CBusRec - * you should set <unalloc> to free it. If you set <devs_too>, the function - * xf86DestroyI2CDevRec will be called for all devices linked to the bus - * first, passing down the <unalloc> option. - */ - -void -xf86DestroyI2CBusRec(I2CBusPtr b, Bool unalloc, Bool devs_too) -{ - if (b) { - I2CBusPtr *p; - - /* Remove this from the list of active I2C buses */ - - for (p = &I2CBusList; *p != NULL; p = &(*p)->NextBus) - if (*p == b) { - *p = (*p)->NextBus; - break; - } - - if (b->FirstDev != NULL) { - if (devs_too) { - I2CDevPtr d; - - while ((d = b->FirstDev) != NULL) { - b->FirstDev = d->NextDev; - xf86DestroyI2CDevRec(d, unalloc); - } - } else { - if (unalloc) { - xf86Msg(X_ERROR, "i2c bug: Attempt to remove I2C bus \"%s\", " - "but device list is not empty.\n", - b->BusName); - return; - } - } - } - - xf86DrvMsg(b->scrnIndex, X_INFO, "I2C bus \"%s\" removed.\n", - b->BusName); - - if (unalloc) xfree(b); - } -} - -/* I2C masters have to register themselves using this function. - * It will not allocate an I2CBusRec for you, instead you may enter - * a pointer to a statically allocated I2CBusRec or the (modified) - * result of xf86CreateI2CBusRec. Returns TRUE on success. - * - * At this point there won't be any traffic on the I2C bus. - */ - -Bool -xf86I2CBusInit(I2CBusPtr b) -{ - /* I2C buses must be identified by a unique scrnIndex - * and name. If scrnIndex is unspecified (a negative value), - * then the name must be unique throughout the server. - */ - - if (b->BusName == NULL || - xf86I2CFindBus(b->scrnIndex, b->BusName) != NULL) - return FALSE; - - /* If the high level functions are not - * supplied, use the generic functions. - * In this case we need the low-level - * function. - */ - if (b->I2CWriteRead == NULL) - { - b->I2CWriteRead=I2CWriteRead; - - if (b->I2CPutBits == NULL || - b->I2CGetBits == NULL) - { - if (b->I2CPutByte == NULL || - b->I2CGetByte == NULL || - b->I2CAddress == NULL || - b->I2CStart == NULL || - b->I2CStop == NULL) - return FALSE; - } else { - b->I2CPutByte = I2CPutByte; - b->I2CGetByte = I2CGetByte; - b->I2CAddress = I2CAddress; - b->I2CStop = I2CStop; - b->I2CStart = I2CStart; - } - } - - if (b->I2CUDelay == NULL) - b->I2CUDelay = I2CUDelay; - - if (b->HoldTime < 2) b->HoldTime = 5; - if (b->BitTimeout <= 0) b->BitTimeout = b->HoldTime; - if (b->ByteTimeout <= 0) b->ByteTimeout = b->HoldTime; - if (b->AcknTimeout <= 0) b->AcknTimeout = b->HoldTime; - if (b->StartTimeout <= 0) b->StartTimeout = b->HoldTime; - - /* Put new bus on list. */ - - b->NextBus = I2CBusList; - I2CBusList = b; - - xf86DrvMsg(b->scrnIndex, X_INFO, "I2C bus \"%s\" initialized.\n", - b->BusName); - - return TRUE; -} - -I2CBusPtr -xf86I2CFindBus(int scrnIndex, char *name) -{ - I2CBusPtr p; - - if (name != NULL) - for (p = I2CBusList; p != NULL; p = p->NextBus) - if (scrnIndex < 0 || p->scrnIndex == scrnIndex) - if (!strcmp(p->BusName, name)) - return p; - - return NULL; -} - -/* - * Return an array of I2CBusPtr's related to a screen. The caller is - * responsible for freeing the array. - */ -int -xf86I2CGetScreenBuses(int scrnIndex, I2CBusPtr **pppI2CBus) -{ - I2CBusPtr pI2CBus; - int n = 0; - - if (pppI2CBus) - *pppI2CBus = NULL; - - for (pI2CBus = I2CBusList; pI2CBus; pI2CBus = pI2CBus->NextBus) { - if ((pI2CBus->scrnIndex >= 0) && (pI2CBus->scrnIndex != scrnIndex)) - continue; - - n++; - - if (!pppI2CBus) - continue; - - *pppI2CBus = xnfrealloc(*pppI2CBus, n * sizeof(I2CBusPtr)); - (*pppI2CBus)[n - 1] = pI2CBus; - } - - return n; -} +/*
+ * Copyright (C) 1998 Itai Nahshon, Michael Schimek
+ *
+ * The original code was derived from and inspired by
+ * the I2C driver from the Linux kernel.
+ * (c) 1998 Gerd Knorr <kraxel@cs.tu-berlin.de>
+ */
+
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include <sys/time.h>
+#include <string.h>
+
+#include "misc.h"
+#include "xf86.h"
+#include "xf86_OSproc.h"
+
+#include <X11/X.h>
+#include <X11/Xos.h>
+#include <X11/Xproto.h>
+#include "scrnintstr.h"
+#include "regionstr.h"
+#include "windowstr.h"
+#include "pixmapstr.h"
+#include "validate.h"
+#include "resource.h"
+#include "gcstruct.h"
+#include "dixstruct.h"
+
+#include "xf86i2c.h"
+
+#define I2C_TIMEOUT(x) /*(x)*/ /* Report timeouts */
+#define I2C_TRACE(x) /*(x)*/ /* Report progress */
+
+/* This is the default I2CUDelay function if not supplied by the driver.
+ * High level I2C interfaces implementing the bus protocol in hardware
+ * should supply this function too.
+ *
+ * Delay execution at least usec microseconds.
+ * All values 0 to 1e6 inclusive must be expected.
+ */
+
+static void
+I2CUDelay(I2CBusPtr b, int usec)
+{
+ struct timeval begin, cur;
+ long d_secs, d_usecs;
+ long diff;
+
+ if (usec > 0) {
+ X_GETTIMEOFDAY(&begin);
+ do {
+ /* It would be nice to use {xf86}usleep,
+ * but usleep (1) takes >10000 usec !
+ */
+ X_GETTIMEOFDAY(&cur);
+ d_secs = (cur.tv_sec - begin.tv_sec);
+ d_usecs = (cur.tv_usec - begin.tv_usec);
+ diff = d_secs*1000000 + d_usecs;
+ } while (diff>=0 && diff< (usec + 1));
+ }
+}
+
+/* Most drivers will register just with GetBits/PutBits functions.
+ * The following functions implement a software I2C protocol
+ * by using the promitive functions given by the driver.
+ * ================================================================
+ *
+ * It is assumed that there is just one master on the I2C bus, therefore
+ * there is no explicit test for conflits.
+ */
+
+#define RISEFALLTIME 2 /* usec, actually 300 to 1000 ns according to the i2c specs */
+
+/* Some devices will hold SCL low to slow down the bus or until
+ * ready for transmission.
+ *
+ * This condition will be noticed when the master tries to raise
+ * the SCL line. You can set the timeout to zero if the slave device
+ * does not support this clock synchronization.
+ */
+
+static Bool
+I2CRaiseSCL(I2CBusPtr b, int sda, int timeout)
+{
+ int i, scl;
+
+ b->I2CPutBits(b, 1, sda);
+ b->I2CUDelay(b, b->RiseFallTime);
+
+ for (i = timeout; i > 0; i -= b->RiseFallTime) {
+ b->I2CGetBits(b, &scl, &sda);
+ if (scl) break;
+ b->I2CUDelay(b, b->RiseFallTime);
+ }
+
+ if (i <= 0) {
+ I2C_TIMEOUT(ErrorF("[I2CRaiseSCL(<%s>, %d, %d) timeout]", b->BusName, sda, timeout));
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+/* Send a start signal on the I2C bus. The start signal notifies
+ * devices that a new transaction is initiated by the bus master.
+ *
+ * The start signal is always followed by a slave address.
+ * Slave addresses are 8+ bits. The first 7 bits identify the
+ * device and the last bit signals if this is a read (1) or
+ * write (0) operation.
+ *
+ * There may be more than one start signal on one transaction.
+ * This happens for example on some devices that allow reading
+ * of registers. First send a start bit followed by the device
+ * address (with the last bit 0) and the register number. Then send
+ * a new start bit with the device address (with the last bit 1)
+ * and then read the value from the device.
+ *
+ * Note this is function does not implement a multiple master
+ * arbitration procedure.
+ */
+
+static Bool
+I2CStart(I2CBusPtr b, int timeout)
+{
+ if (!I2CRaiseSCL(b, 1, timeout))
+ return FALSE;
+
+ b->I2CPutBits(b, 1, 0);
+ b->I2CUDelay(b, b->HoldTime);
+ b->I2CPutBits(b, 0, 0);
+ b->I2CUDelay(b, b->HoldTime);
+
+ I2C_TRACE(ErrorF("\ni2c: <"));
+
+ return TRUE;
+}
+
+/* This is the default I2CStop function if not supplied by the driver.
+ *
+ * Signal devices on the I2C bus that a transaction on the
+ * bus has finished. There may be more than one start signal
+ * on a transaction but only one stop signal.
+ */
+
+static void
+I2CStop(I2CDevPtr d)
+{
+ I2CBusPtr b = d->pI2CBus;
+
+ b->I2CPutBits(b, 0, 0);
+ b->I2CUDelay(b, b->RiseFallTime);
+
+ b->I2CPutBits(b, 1, 0);
+ b->I2CUDelay(b, b->HoldTime);
+ b->I2CPutBits(b, 1, 1);
+ b->I2CUDelay(b, b->HoldTime);
+
+ I2C_TRACE(ErrorF(">\n"));
+}
+
+/* Write/Read a single bit to/from a device.
+ * Return FALSE if a timeout occurs.
+ */
+
+static Bool
+I2CWriteBit(I2CBusPtr b, int sda, int timeout)
+{
+ Bool r;
+
+ b->I2CPutBits(b, 0, sda);
+ b->I2CUDelay(b, b->RiseFallTime);
+
+ r = I2CRaiseSCL(b, sda, timeout);
+ b->I2CUDelay(b, b->HoldTime);
+
+ b->I2CPutBits(b, 0, sda);
+ b->I2CUDelay(b, b->HoldTime);
+
+ return r;
+}
+
+static Bool
+I2CReadBit(I2CBusPtr b, int *psda, int timeout)
+{
+ Bool r;
+ int scl;
+
+ r = I2CRaiseSCL(b, 1, timeout);
+ b->I2CUDelay(b, b->HoldTime);
+
+ b->I2CGetBits(b, &scl, psda);
+
+ b->I2CPutBits(b, 0, 1);
+ b->I2CUDelay(b, b->HoldTime);
+
+ return r;
+}
+
+/* This is the default I2CPutByte function if not supplied by the driver.
+ *
+ * A single byte is sent to the device.
+ * The function returns FALSE if a timeout occurs, you should send
+ * a stop condition afterwards to reset the bus.
+ *
+ * A timeout occurs,
+ * if the slave pulls SCL to slow down the bus more than ByteTimeout usecs,
+ * or slows down the bus for more than BitTimeout usecs for each bit,
+ * or does not send an ACK bit (0) to acknowledge the transmission within
+ * AcknTimeout usecs, but a NACK (1) bit.
+ *
+ * AcknTimeout must be at least b->HoldTime, the other timeouts can be
+ * zero according to the comment on I2CRaiseSCL.
+ */
+
+static Bool
+I2CPutByte(I2CDevPtr d, I2CByte data)
+{
+ Bool r;
+ int i, scl, sda;
+ I2CBusPtr b = d->pI2CBus;
+
+ if (!I2CWriteBit(b, (data >> 7) & 1, d->ByteTimeout))
+ return FALSE;
+
+ for (i = 6; i >= 0; i--)
+ if (!I2CWriteBit(b, (data >> i) & 1, d->BitTimeout))
+ return FALSE;
+
+ b->I2CPutBits(b, 0, 1);
+ b->I2CUDelay(b, b->RiseFallTime);
+
+ r = I2CRaiseSCL(b, 1, b->HoldTime);
+
+ if (r) {
+ for (i = d->AcknTimeout; i > 0; i -= b->HoldTime) {
+ b->I2CUDelay(b, b->HoldTime);
+ b->I2CGetBits(b, &scl, &sda);
+ if (sda == 0) break;
+ }
+
+ if (i <= 0) {
+ I2C_TIMEOUT(ErrorF("[I2CPutByte(<%s>, 0x%02x, %d, %d, %d) timeout]",
+ b->BusName, data, d->BitTimeout,
+ d->ByteTimeout, d->AcknTimeout));
+ r = FALSE;
+ }
+
+ I2C_TRACE(ErrorF("W%02x%c ", (int) data, sda ? '-' : '+'));
+ }
+
+ b->I2CPutBits(b, 0, 1);
+ b->I2CUDelay(b, b->HoldTime);
+
+ return r;
+}
+
+/* This is the default I2CGetByte function if not supplied by the driver.
+ *
+ * A single byte is read from the device.
+ * The function returns FALSE if a timeout occurs, you should send
+ * a stop condition afterwards to reset the bus.
+ *
+ * A timeout occurs,
+ * if the slave pulls SCL to slow down the bus more than ByteTimeout usecs,
+ * or slows down the bus for more than b->BitTimeout usecs for each bit.
+ *
+ * ByteTimeout must be at least b->HoldTime, the other timeouts can be
+ * zero according to the comment on I2CRaiseSCL.
+ *
+ * For the <last> byte in a sequence the acknowledge bit NACK (1),
+ * otherwise ACK (0) will be sent.
+ */
+
+static Bool
+I2CGetByte(I2CDevPtr d, I2CByte *data, Bool last)
+{
+ int i, sda;
+ I2CBusPtr b = d->pI2CBus;
+
+ b->I2CPutBits(b, 0, 1);
+ b->I2CUDelay(b, b->RiseFallTime);
+
+ if (!I2CReadBit(b, &sda, d->ByteTimeout))
+ return FALSE;
+
+ *data = (sda > 0) << 7;
+
+ for (i = 6; i >= 0; i--)
+ if (!I2CReadBit(b, &sda, d->BitTimeout))
+ return FALSE;
+ else
+ *data |= (sda > 0) << i;
+
+ if (!I2CWriteBit(b, last ? 1 : 0, d->BitTimeout))
+ return FALSE;
+
+ I2C_TRACE(ErrorF("R%02x%c ", (int) *data, last ? '+' : '-'));
+
+ return TRUE;
+}
+
+/* This is the default I2CAddress function if not supplied by the driver.
+ *
+ * It creates the start condition, followed by the d->SlaveAddr.
+ * Higher level functions must call this routine rather than
+ * I2CStart/PutByte because a hardware I2C master may not be able
+ * to send a slave address without a start condition.
+ *
+ * The same timeouts apply as with I2CPutByte and additional a
+ * StartTimeout, similar to the ByteTimeout but for the start
+ * condition.
+ *
+ * In case of a timeout, the bus is left in a clean idle condition.
+ * I. e. you *must not* send a Stop. If this function succeeds, you *must*.
+ *
+ * The slave address format is 16 bit, with the legacy _8_bit_ slave address
+ * in the least significant byte. This is, the slave address must include the
+ * R/_W flag as least significant bit.
+ *
+ * The most significant byte of the address will be sent _after_ the LSB,
+ * but only if the LSB indicates:
+ * a) an 11 bit address, this is LSB = 1111 0xxx.
+ * b) a 'general call address', this is LSB = 0000 000x - see the I2C specs
+ * for more.
+ */
+
+static Bool
+I2CAddress(I2CDevPtr d, I2CSlaveAddr addr)
+{
+ if (I2CStart(d->pI2CBus, d->StartTimeout)) {
+ if (I2CPutByte(d, addr & 0xFF)) {
+ if ((addr & 0xF8) != 0xF0 &&
+ (addr & 0xFE) != 0x00)
+ return TRUE;
+
+ if (I2CPutByte(d, (addr >> 8) & 0xFF))
+ return TRUE;
+ }
+
+ I2CStop(d);
+ }
+
+ return FALSE;
+}
+
+/* These are the hardware independent I2C helper functions.
+ * ========================================================
+ */
+
+/* Function for probing. Just send the slave address
+ * and return true if the device responds. The slave address
+ * must have the lsb set to reflect a read (1) or write (0) access.
+ * Don't expect a read- or write-only device will respond otherwise.
+ */
+
+Bool
+xf86I2CProbeAddress(I2CBusPtr b, I2CSlaveAddr addr)
+{
+ int r;
+ I2CDevRec d;
+
+ d.DevName = "Probing";
+ d.BitTimeout = b->BitTimeout;
+ d.ByteTimeout = b->ByteTimeout;
+ d.AcknTimeout = b->AcknTimeout;
+ d.StartTimeout = b->StartTimeout;
+ d.SlaveAddr = addr;
+ d.pI2CBus = b;
+ d.NextDev = NULL;
+
+ r = b->I2CAddress(&d, addr);
+
+ if (r) b->I2CStop(&d);
+
+ return r;
+}
+
+/* All functions below are related to devices and take the
+ * slave address and timeout values from an I2CDevRec. They
+ * return FALSE in case of an error (presumably a timeout).
+ */
+
+/* General purpose read and write function.
+ *
+ * 1st, if nWrite > 0
+ * Send a start condition
+ * Send the slave address (1 or 2 bytes) with write flag
+ * Write n bytes from WriteBuffer
+ * 2nd, if nRead > 0
+ * Send a start condition [again]
+ * Send the slave address (1 or 2 bytes) with read flag
+ * Read n bytes to ReadBuffer
+ * 3rd, if a Start condition has been successfully sent,
+ * Send a Stop condition.
+ *
+ * The functions exits immediately when an error occures,
+ * not proceeding any data left. However, step 3 will
+ * be executed anyway to leave the bus in clean idle state.
+ */
+
+static Bool
+I2CWriteRead(I2CDevPtr d,
+ I2CByte *WriteBuffer, int nWrite,
+ I2CByte *ReadBuffer, int nRead)
+{
+ Bool r = TRUE;
+ I2CBusPtr b = d->pI2CBus;
+ int s = 0;
+
+ if (r && nWrite > 0) {
+ r = b->I2CAddress(d, d->SlaveAddr & ~1);
+ if (r) {
+ for (; nWrite > 0; WriteBuffer++, nWrite--)
+ if (!(r = b->I2CPutByte(d, *WriteBuffer)))
+ break;
+ s++;
+ }
+ }
+
+ if (r && nRead > 0) {
+ r = b->I2CAddress(d, d->SlaveAddr | 1);
+ if (r) {
+ for (; nRead > 0; ReadBuffer++, nRead--)
+ if (!(r = b->I2CGetByte(d, ReadBuffer, nRead == 1)))
+ break;
+ s++;
+ }
+ }
+
+ if (s) b->I2CStop(d);
+
+ return r;
+}
+
+/* wrapper - for compatibility and convinience */
+
+Bool
+xf86I2CWriteRead(I2CDevPtr d,
+ I2CByte *WriteBuffer, int nWrite,
+ I2CByte *ReadBuffer, int nRead)
+{
+ I2CBusPtr b = d->pI2CBus;
+ return b->I2CWriteRead(d,WriteBuffer,nWrite,ReadBuffer,nRead);
+}
+
+/* Read a byte, the only readable register of a device.
+ */
+
+Bool
+xf86I2CReadStatus(I2CDevPtr d, I2CByte *pbyte)
+{
+ return xf86I2CWriteRead(d, NULL, 0, pbyte, 1);
+}
+
+/* Read a byte from one of the registers determined by its sub-address.
+ */
+
+Bool
+xf86I2CReadByte(I2CDevPtr d, I2CByte subaddr, I2CByte *pbyte)
+{
+ return xf86I2CWriteRead(d, &subaddr, 1, pbyte, 1);
+}
+
+/* Read bytes from subsequent registers determined by the
+ * sub-address of the first register.
+ */
+
+Bool
+xf86I2CReadBytes(I2CDevPtr d, I2CByte subaddr, I2CByte *pbyte, int n)
+{
+ return xf86I2CWriteRead(d, &subaddr, 1, pbyte, n);
+}
+
+/* Read a word (high byte, then low byte) from one of the registers
+ * determined by its sub-address.
+ */
+
+Bool
+xf86I2CReadWord(I2CDevPtr d, I2CByte subaddr, unsigned short *pword)
+{
+ I2CByte rb[2];
+
+ if (!xf86I2CWriteRead(d, &subaddr, 1, rb, 2)) return FALSE;
+
+ *pword = (rb[0] << 8) | rb[1];
+
+ return TRUE;
+}
+
+/* Write a byte to one of the registers determined by its sub-address.
+ */
+
+Bool
+xf86I2CWriteByte(I2CDevPtr d, I2CByte subaddr, I2CByte byte)
+{
+ I2CByte wb[2];
+
+ wb[0] = subaddr;
+ wb[1] = byte;
+
+ return xf86I2CWriteRead(d, wb, 2, NULL, 0);
+}
+
+/* Write bytes to subsequent registers determined by the
+ * sub-address of the first register.
+ */
+
+Bool
+xf86I2CWriteBytes(I2CDevPtr d, I2CByte subaddr,
+ I2CByte *WriteBuffer, int nWrite)
+{
+ I2CBusPtr b = d->pI2CBus;
+ Bool r = TRUE;
+
+ if (nWrite > 0) {
+ r = b->I2CAddress(d, d->SlaveAddr & ~1);
+ if (r){
+ if ((r = b->I2CPutByte(d, subaddr)))
+ for (; nWrite > 0; WriteBuffer++, nWrite--)
+ if (!(r = b->I2CPutByte(d, *WriteBuffer)))
+ break;
+
+ b->I2CStop(d);
+ }
+ }
+
+ return r;
+}
+
+/* Write a word (high byte, then low byte) to one of the registers
+ * determined by its sub-address.
+ */
+
+Bool
+xf86I2CWriteWord(I2CDevPtr d, I2CByte subaddr, unsigned short word)
+{
+ I2CByte wb[3];
+
+ wb[0] = subaddr;
+ wb[1] = word >> 8;
+ wb[2] = word & 0xFF;
+
+ return xf86I2CWriteRead(d, wb, 3, NULL, 0);
+}
+
+/* Write a vector of bytes to not adjacent registers. This vector is,
+ * 1st byte sub-address, 2nd byte value, 3rd byte sub-address asf.
+ * This function is intended to initialize devices. Note this function
+ * exits immediately when an error occurs, some registers may
+ * remain uninitialized.
+ */
+
+Bool
+xf86I2CWriteVec(I2CDevPtr d, I2CByte *vec, int nValues)
+{
+ I2CBusPtr b = d->pI2CBus;
+ Bool r = TRUE;
+ int s = 0;
+
+ if (nValues > 0) {
+ for (; nValues > 0; nValues--, vec += 2) {
+ if (!(r = b->I2CAddress(d, d->SlaveAddr & ~1)))
+ break;
+
+ s++;
+
+ if (!(r = b->I2CPutByte(d, vec[0])))
+ break;
+
+ if (!(r = b->I2CPutByte(d, vec[1])))
+ break;
+ }
+
+ if (s > 0) b->I2CStop(d);
+ }
+
+ return r;
+}
+
+/* Administrative functions.
+ * =========================
+ */
+
+/* Allocates an I2CDevRec for you and initializes with propper defaults
+ * you may modify before calling xf86I2CDevInit. Your I2CDevRec must
+ * contain at least a SlaveAddr, and a pI2CBus pointer to the bus this
+ * device shall be linked to.
+ *
+ * See function I2CAddress for the slave address format. Always set
+ * the least significant bit, indicating a read or write access, to zero.
+ */
+
+I2CDevPtr
+xf86CreateI2CDevRec(void)
+{
+ return calloc(1, sizeof(I2CDevRec));
+}
+
+/* Unlink an I2C device. If you got the I2CDevRec from xf86CreateI2CDevRec
+ * you should set <unalloc> to free it.
+ */
+
+void
+xf86DestroyI2CDevRec(I2CDevPtr d, Bool unalloc)
+{
+ if (d) {
+ I2CDevPtr *p;
+
+ /* Remove this from the list of active I2C devices. */
+
+ for (p = &d->pI2CBus->FirstDev; *p != NULL; p = &(*p)->NextDev)
+ if (*p == d) {
+ *p = (*p)->NextDev;
+ break;
+ }
+
+ xf86DrvMsg(d->pI2CBus->scrnIndex, X_INFO,
+ "I2C device \"%s:%s\" removed.\n",
+ d->pI2CBus->BusName, d->DevName);
+
+ if (unalloc) free(d);
+ }
+}
+
+/* I2C transmissions are related to an I2CDevRec you must link to a
+ * previously registered bus (see xf86I2CBusInit) before attempting
+ * to read and write data. You may call xf86I2CProbeAddress first to
+ * see if the device in question is present on this bus.
+ *
+ * xf86I2CDevInit will not allocate an I2CBusRec for you, instead you
+ * may enter a pointer to a statically allocated I2CDevRec or the (modified)
+ * result of xf86CreateI2CDevRec.
+ *
+ * If you don't specify timeouts for the device (n <= 0), it will inherit
+ * the bus-wide defaults. The function returns TRUE on success.
+ */
+
+Bool
+xf86I2CDevInit(I2CDevPtr d)
+{
+ I2CBusPtr b;
+
+ if (d == NULL ||
+ (b = d->pI2CBus) == NULL ||
+ (d->SlaveAddr & 1) ||
+ xf86I2CFindDev(b, d->SlaveAddr) != NULL)
+ return FALSE;
+
+ if (d->BitTimeout <= 0) d->BitTimeout = b->BitTimeout;
+ if (d->ByteTimeout <= 0) d->ByteTimeout = b->ByteTimeout;
+ if (d->AcknTimeout <= 0) d->AcknTimeout = b->AcknTimeout;
+ if (d->StartTimeout <= 0) d->StartTimeout = b->StartTimeout;
+
+ d->NextDev = b->FirstDev;
+ b->FirstDev = d;
+
+ xf86DrvMsg(b->scrnIndex, X_INFO,
+ "I2C device \"%s:%s\" registered at address 0x%02X.\n",
+ b->BusName, d->DevName, d->SlaveAddr);
+
+ return TRUE;
+}
+
+I2CDevPtr
+xf86I2CFindDev(I2CBusPtr b, I2CSlaveAddr addr)
+{
+ I2CDevPtr d;
+
+ if (b) {
+ for (d = b->FirstDev; d != NULL; d = d->NextDev)
+ if (d->SlaveAddr == addr)
+ return d;
+ }
+
+ return NULL;
+}
+
+static I2CBusPtr I2CBusList;
+
+/* Allocates an I2CBusRec for you and initializes with propper defaults
+ * you may modify before calling xf86I2CBusInit. Your I2CBusRec must
+ * contain at least a BusName, a scrnIndex (or -1), and a complete set
+ * of either high or low level I2C function pointers. You may pass
+ * bus-wide timeouts, otherwise inplausible values will be replaced
+ * with safe defaults.
+ */
+
+I2CBusPtr
+xf86CreateI2CBusRec(void)
+{
+ I2CBusPtr b;
+
+ b = (I2CBusPtr) calloc(1, sizeof(I2CBusRec));
+
+ if (b != NULL) {
+ b->scrnIndex = -1;
+ b->HoldTime = 5; /* 100 kHz bus */
+ b->BitTimeout = 5;
+ b->ByteTimeout = 5;
+ b->AcknTimeout = 5;
+ b->StartTimeout = 5;
+ b->RiseFallTime = RISEFALLTIME;
+ }
+
+ return b;
+}
+
+/* Unregister an I2C bus. If you got the I2CBusRec from xf86CreateI2CBusRec
+ * you should set <unalloc> to free it. If you set <devs_too>, the function
+ * xf86DestroyI2CDevRec will be called for all devices linked to the bus
+ * first, passing down the <unalloc> option.
+ */
+
+void
+xf86DestroyI2CBusRec(I2CBusPtr b, Bool unalloc, Bool devs_too)
+{
+ if (b) {
+ I2CBusPtr *p;
+
+ /* Remove this from the list of active I2C buses */
+
+ for (p = &I2CBusList; *p != NULL; p = &(*p)->NextBus)
+ if (*p == b) {
+ *p = (*p)->NextBus;
+ break;
+ }
+
+ if (b->FirstDev != NULL) {
+ if (devs_too) {
+ I2CDevPtr d;
+
+ while ((d = b->FirstDev) != NULL) {
+ b->FirstDev = d->NextDev;
+ xf86DestroyI2CDevRec(d, unalloc);
+ }
+ } else {
+ if (unalloc) {
+ xf86Msg(X_ERROR, "i2c bug: Attempt to remove I2C bus \"%s\", "
+ "but device list is not empty.\n",
+ b->BusName);
+ return;
+ }
+ }
+ }
+
+ xf86DrvMsg(b->scrnIndex, X_INFO, "I2C bus \"%s\" removed.\n",
+ b->BusName);
+
+ if (unalloc) free(b);
+ }
+}
+
+/* I2C masters have to register themselves using this function.
+ * It will not allocate an I2CBusRec for you, instead you may enter
+ * a pointer to a statically allocated I2CBusRec or the (modified)
+ * result of xf86CreateI2CBusRec. Returns TRUE on success.
+ *
+ * At this point there won't be any traffic on the I2C bus.
+ */
+
+Bool
+xf86I2CBusInit(I2CBusPtr b)
+{
+ /* I2C buses must be identified by a unique scrnIndex
+ * and name. If scrnIndex is unspecified (a negative value),
+ * then the name must be unique throughout the server.
+ */
+
+ if (b->BusName == NULL ||
+ xf86I2CFindBus(b->scrnIndex, b->BusName) != NULL)
+ return FALSE;
+
+ /* If the high level functions are not
+ * supplied, use the generic functions.
+ * In this case we need the low-level
+ * function.
+ */
+ if (b->I2CWriteRead == NULL)
+ {
+ b->I2CWriteRead=I2CWriteRead;
+
+ if (b->I2CPutBits == NULL ||
+ b->I2CGetBits == NULL)
+ {
+ if (b->I2CPutByte == NULL ||
+ b->I2CGetByte == NULL ||
+ b->I2CAddress == NULL ||
+ b->I2CStart == NULL ||
+ b->I2CStop == NULL)
+ return FALSE;
+ } else {
+ b->I2CPutByte = I2CPutByte;
+ b->I2CGetByte = I2CGetByte;
+ b->I2CAddress = I2CAddress;
+ b->I2CStop = I2CStop;
+ b->I2CStart = I2CStart;
+ }
+ }
+
+ if (b->I2CUDelay == NULL)
+ b->I2CUDelay = I2CUDelay;
+
+ if (b->HoldTime < 2) b->HoldTime = 5;
+ if (b->BitTimeout <= 0) b->BitTimeout = b->HoldTime;
+ if (b->ByteTimeout <= 0) b->ByteTimeout = b->HoldTime;
+ if (b->AcknTimeout <= 0) b->AcknTimeout = b->HoldTime;
+ if (b->StartTimeout <= 0) b->StartTimeout = b->HoldTime;
+
+ /* Put new bus on list. */
+
+ b->NextBus = I2CBusList;
+ I2CBusList = b;
+
+ xf86DrvMsg(b->scrnIndex, X_INFO, "I2C bus \"%s\" initialized.\n",
+ b->BusName);
+
+ return TRUE;
+}
+
+I2CBusPtr
+xf86I2CFindBus(int scrnIndex, char *name)
+{
+ I2CBusPtr p;
+
+ if (name != NULL)
+ for (p = I2CBusList; p != NULL; p = p->NextBus)
+ if (scrnIndex < 0 || p->scrnIndex == scrnIndex)
+ if (!strcmp(p->BusName, name))
+ return p;
+
+ return NULL;
+}
+
+/*
+ * Return an array of I2CBusPtr's related to a screen. The caller is
+ * responsible for freeing the array.
+ */
+int
+xf86I2CGetScreenBuses(int scrnIndex, I2CBusPtr **pppI2CBus)
+{
+ I2CBusPtr pI2CBus;
+ int n = 0;
+
+ if (pppI2CBus)
+ *pppI2CBus = NULL;
+
+ for (pI2CBus = I2CBusList; pI2CBus; pI2CBus = pI2CBus->NextBus) {
+ if ((pI2CBus->scrnIndex >= 0) && (pI2CBus->scrnIndex != scrnIndex))
+ continue;
+
+ n++;
+
+ if (!pppI2CBus)
+ continue;
+
+ *pppI2CBus = xnfrealloc(*pppI2CBus, n * sizeof(I2CBusPtr));
+ (*pppI2CBus)[n - 1] = pI2CBus;
+ }
+
+ return n;
+}
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