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authormarha <marha@users.sourceforge.net>2014-07-28 21:23:36 +0200
committermarha <marha@users.sourceforge.net>2014-07-28 21:32:18 +0200
commit777fcfa17aafab62719446e00068f5e61ec946d5 (patch)
treeca0ed3fea46b207daa6cd5bc05382e2d60a1e87f /xorg-server/hw/xfree86/i2c/bt829.c
parent61c36feba19d918885022042ea62d068a698c83d (diff)
parentb33b8d8ae86876b50df96881b96074b3fe177cce (diff)
downloadvcxsrv-777fcfa17aafab62719446e00068f5e61ec946d5.tar.gz
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Merge remote-tracking branch 'origin/released'
Conflicts: xorg-server/include/servermd.h
Diffstat (limited to 'xorg-server/hw/xfree86/i2c/bt829.c')
-rw-r--r--xorg-server/hw/xfree86/i2c/bt829.c822
1 files changed, 0 insertions, 822 deletions
diff --git a/xorg-server/hw/xfree86/i2c/bt829.c b/xorg-server/hw/xfree86/i2c/bt829.c
deleted file mode 100644
index 991c26eab..000000000
--- a/xorg-server/hw/xfree86/i2c/bt829.c
+++ /dev/null
@@ -1,822 +0,0 @@
-/* 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), &reg, 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;
- char *devname;
-
- 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((void *) bt->d.DevName);
- bt->d.DevName = devname = calloc(200, sizeof(char));
- switch (BTVERSION) {
- case BT815:
- sprintf(devname, "bt815a video decoder, revision %d",
- bt->id & 0xf);
- break;
- case BT817:
- sprintf(devname, "bt817a video decoder, revision %d",
- bt->id & 0xf);
- break;
- case BT819:
- sprintf(devname, "bt819a video decoder, revision %d",
- bt->id & 0xf);
- break;
- case BT827:
- sprintf(devname, "bt827a/b video decoder, revision %d",
- bt->id & 0xf);
- break;
- case BT829:
- sprintf(devname, "bt829a/b video decoder, revision %d",
- bt->id & 0xf);
- break;
- default:
- sprintf(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) ; }
-}*/