diff options
author | marha <marha@users.sourceforge.net> | 2011-09-22 15:20:09 +0200 |
---|---|---|
committer | marha <marha@users.sourceforge.net> | 2011-09-22 15:20:09 +0200 |
commit | c1e6c7428a8d2c1b60ffac7df7a3f56c300fa983 (patch) | |
tree | 8874978d314129a4f47ee575b076c2d8eb1a8738 /xorg-server/hw/xfree86/i2c | |
parent | 37466741e35c5eb3b204863a5023bf8d192efc06 (diff) | |
download | vcxsrv-c1e6c7428a8d2c1b60ffac7df7a3f56c300fa983.tar.gz vcxsrv-c1e6c7428a8d2c1b60ffac7df7a3f56c300fa983.tar.bz2 vcxsrv-c1e6c7428a8d2c1b60ffac7df7a3f56c300fa983.zip |
libxtrans libX11 libX11 libXext mesa xserver git update 22 sep 2011
Diffstat (limited to 'xorg-server/hw/xfree86/i2c')
-rw-r--r-- | xorg-server/hw/xfree86/i2c/fi1236.c | 1280 |
1 files changed, 675 insertions, 605 deletions
diff --git a/xorg-server/hw/xfree86/i2c/fi1236.c b/xorg-server/hw/xfree86/i2c/fi1236.c index 531b64aed..0bc50e566 100644 --- a/xorg-server/hw/xfree86/i2c/fi1236.c +++ b/xorg-server/hw/xfree86/i2c/fi1236.c @@ -1,605 +1,675 @@ -
-#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);
- }
-}
+#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); +} |