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Diffstat (limited to 'xorg-server/hw/xfree86/i2c/fi1236.c')
-rw-r--r--xorg-server/hw/xfree86/i2c/fi1236.c1280
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);
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 09:14:31 +0000