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path: root/drivers/media/video/tuner-simple.c
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Diffstat (limited to 'drivers/media/video/tuner-simple.c')
-rw-r--r--drivers/media/video/tuner-simple.c166
1 files changed, 92 insertions, 74 deletions
diff --git a/drivers/media/video/tuner-simple.c b/drivers/media/video/tuner-simple.c
index 37977ff49780..5d7abed71674 100644
--- a/drivers/media/video/tuner-simple.c
+++ b/drivers/media/video/tuner-simple.c
@@ -79,17 +79,6 @@ MODULE_PARM_DESC(offset,"Allows to specify an offset for tuner");
#define TUNER_PLL_LOCKED 0x40
#define TUNER_STEREO_MK3 0x04
-#define TUNER_PARAM_ANALOG 0 /* to be removed */
-/* FIXME:
- * Right now, all tuners are using the first tuner_params[] array element
- * for analog mode. In the future, we will be merging similar tuner
- * definitions together, such that each tuner definition will have a
- * tuner_params struct for each available video standard. At that point,
- * TUNER_PARAM_ANALOG will be removed, and the tuner_params[] array
- * element will be chosen based on the video standard in use.
- *
- */
-
/* ---------------------------------------------------------------------- */
static int tuner_getstatus(struct i2c_client *c)
@@ -133,14 +122,53 @@ static int tuner_stereo(struct i2c_client *c)
static void default_set_tv_freq(struct i2c_client *c, unsigned int freq)
{
struct tuner *t = i2c_get_clientdata(c);
- u8 config, tuneraddr;
+ u8 config, cb, tuneraddr;
u16 div;
struct tunertype *tun;
u8 buffer[4];
int rc, IFPCoff, i, j;
+ enum param_type desired_type;
tun = &tuners[t->type];
- j = TUNER_PARAM_ANALOG;
+
+ /* IFPCoff = Video Intermediate Frequency - Vif:
+ 940 =16*58.75 NTSC/J (Japan)
+ 732 =16*45.75 M/N STD
+ 704 =16*44 ATSC (at DVB code)
+ 632 =16*39.50 I U.K.
+ 622.4=16*38.90 B/G D/K I, L STD
+ 592 =16*37.00 D China
+ 590 =16.36.875 B Australia
+ 543.2=16*33.95 L' STD
+ 171.2=16*10.70 FM Radio (at set_radio_freq)
+ */
+
+ if (t->std == V4L2_STD_NTSC_M_JP) {
+ IFPCoff = 940;
+ desired_type = TUNER_PARAM_TYPE_NTSC;
+ } else if ((t->std & V4L2_STD_MN) &&
+ !(t->std & ~V4L2_STD_MN)) {
+ IFPCoff = 732;
+ desired_type = TUNER_PARAM_TYPE_NTSC;
+ } else if (t->std == V4L2_STD_SECAM_LC) {
+ IFPCoff = 543;
+ desired_type = TUNER_PARAM_TYPE_SECAM;
+ } else {
+ IFPCoff = 623;
+ desired_type = TUNER_PARAM_TYPE_PAL;
+ }
+
+ for (j = 0; j < tun->count-1; j++) {
+ if (desired_type != tun->params[j].type)
+ continue;
+ break;
+ }
+ /* use default tuner_params if desired_type not available */
+ if (desired_type != tun->params[j].type) {
+ tuner_dbg("IFPCoff = %d: tuner_params undefined for tuner %d\n",
+ IFPCoff,t->type);
+ j = 0;
+ }
for (i = 0; i < tun->params[j].count; i++) {
if (freq > tun->params[j].ranges[i].limit)
@@ -152,11 +180,20 @@ static void default_set_tv_freq(struct i2c_client *c, unsigned int freq)
freq, tun->params[j].ranges[i - 1].limit);
freq = tun->params[j].ranges[--i].limit;
}
- config = tun->params[j].ranges[i].cb;
- /* i == 0 -> VHF_LO */
- /* i == 1 -> VHF_HI */
- /* i == 2 -> UHF */
- tuner_dbg("tv: range %d\n",i);
+ config = tun->params[j].ranges[i].config;
+ cb = tun->params[j].ranges[i].cb;
+ /* i == 0 -> VHF_LO
+ * i == 1 -> VHF_HI
+ * i == 2 -> UHF */
+ tuner_dbg("tv: param %d, range %d\n",j,i);
+
+ div=freq + IFPCoff + offset;
+
+ tuner_dbg("Freq= %d.%02d MHz, V_IF=%d.%02d MHz, Offset=%d.%02d MHz, div=%0d\n",
+ freq / 16, freq % 16 * 100 / 16,
+ IFPCoff / 16, IFPCoff % 16 * 100 / 16,
+ offset / 16, offset % 16 * 100 / 16,
+ div);
/* tv norm specific stuff for multi-norm tuners */
switch (t->type) {
@@ -164,40 +201,40 @@ static void default_set_tv_freq(struct i2c_client *c, unsigned int freq)
/* 0x01 -> ??? no change ??? */
/* 0x02 -> PAL BDGHI / SECAM L */
/* 0x04 -> ??? PAL others / SECAM others ??? */
- config &= ~0x02;
+ cb &= ~0x02;
if (t->std & V4L2_STD_SECAM)
- config |= 0x02;
+ cb |= 0x02;
break;
case TUNER_TEMIC_4046FM5:
- config &= ~0x0f;
+ cb &= ~0x0f;
if (t->std & V4L2_STD_PAL_BG) {
- config |= TEMIC_SET_PAL_BG;
+ cb |= TEMIC_SET_PAL_BG;
} else if (t->std & V4L2_STD_PAL_I) {
- config |= TEMIC_SET_PAL_I;
+ cb |= TEMIC_SET_PAL_I;
} else if (t->std & V4L2_STD_PAL_DK) {
- config |= TEMIC_SET_PAL_DK;
+ cb |= TEMIC_SET_PAL_DK;
} else if (t->std & V4L2_STD_SECAM_L) {
- config |= TEMIC_SET_PAL_L;
+ cb |= TEMIC_SET_PAL_L;
}
break;
case TUNER_PHILIPS_FQ1216ME:
- config &= ~0x0f;
+ cb &= ~0x0f;
if (t->std & (V4L2_STD_PAL_BG|V4L2_STD_PAL_DK)) {
- config |= PHILIPS_SET_PAL_BGDK;
+ cb |= PHILIPS_SET_PAL_BGDK;
} else if (t->std & V4L2_STD_PAL_I) {
- config |= PHILIPS_SET_PAL_I;
+ cb |= PHILIPS_SET_PAL_I;
} else if (t->std & V4L2_STD_SECAM_L) {
- config |= PHILIPS_SET_PAL_L;
+ cb |= PHILIPS_SET_PAL_L;
}
break;
@@ -207,15 +244,15 @@ static void default_set_tv_freq(struct i2c_client *c, unsigned int freq)
/* 0x01 -> ATSC antenna input 2 */
/* 0x02 -> NTSC antenna input 1 */
/* 0x03 -> NTSC antenna input 2 */
- config &= ~0x03;
+ cb &= ~0x03;
if (!(t->std & V4L2_STD_ATSC))
- config |= 2;
+ cb |= 2;
/* FIXME: input */
break;
case TUNER_MICROTUNE_4042FI5:
/* Set the charge pump for fast tuning */
- tun->params[j].config |= TUNER_CHARGE_PUMP;
+ config |= TUNER_CHARGE_PUMP;
break;
case TUNER_PHILIPS_TUV1236D:
@@ -227,9 +264,9 @@ static void default_set_tv_freq(struct i2c_client *c, unsigned int freq)
buffer[1] = 0x00;
buffer[2] = 0x17;
buffer[3] = 0x00;
- config &= ~0x40;
+ cb &= ~0x40;
if (t->std & V4L2_STD_ATSC) {
- config |= 0x40;
+ cb |= 0x40;
buffer[1] = 0x04;
}
/* set to the correct mode (analog or digital) */
@@ -244,47 +281,16 @@ static void default_set_tv_freq(struct i2c_client *c, unsigned int freq)
break;
}
- /* IFPCoff = Video Intermediate Frequency - Vif:
- 940 =16*58.75 NTSC/J (Japan)
- 732 =16*45.75 M/N STD
- 704 =16*44 ATSC (at DVB code)
- 632 =16*39.50 I U.K.
- 622.4=16*38.90 B/G D/K I, L STD
- 592 =16*37.00 D China
- 590 =16.36.875 B Australia
- 543.2=16*33.95 L' STD
- 171.2=16*10.70 FM Radio (at set_radio_freq)
- */
-
- if (t->std == V4L2_STD_NTSC_M_JP) {
- IFPCoff = 940;
- } else if ((t->std & V4L2_STD_MN) &&
- !(t->std & ~V4L2_STD_MN)) {
- IFPCoff = 732;
- } else if (t->std == V4L2_STD_SECAM_LC) {
- IFPCoff = 543;
- } else {
- IFPCoff = 623;
- }
-
- div=freq + IFPCoff + offset;
-
- tuner_dbg("Freq= %d.%02d MHz, V_IF=%d.%02d MHz, Offset=%d.%02d MHz, div=%0d\n",
- freq / 16, freq % 16 * 100 / 16,
- IFPCoff / 16, IFPCoff % 16 * 100 / 16,
- offset / 16, offset % 16 * 100 / 16,
- div);
-
if (tuners[t->type].params->cb_first_if_lower_freq && div < t->last_div) {
- buffer[0] = tun->params[j].config;
- buffer[1] = config;
+ buffer[0] = config;
+ buffer[1] = cb;
buffer[2] = (div>>8) & 0x7f;
buffer[3] = div & 0xff;
} else {
buffer[0] = (div>>8) & 0x7f;
buffer[1] = div & 0xff;
- buffer[2] = tun->params[j].config;
- buffer[3] = config;
+ buffer[2] = config;
+ buffer[3] = cb;
}
t->last_div = div;
tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n",
@@ -312,11 +318,11 @@ static void default_set_tv_freq(struct i2c_client *c, unsigned int freq)
}
/* Set the charge pump for optimized phase noise figure */
- tun->params[j].config &= ~TUNER_CHARGE_PUMP;
+ config &= ~TUNER_CHARGE_PUMP;
buffer[0] = (div>>8) & 0x7f;
buffer[1] = div & 0xff;
- buffer[2] = tun->params[j].config;
- buffer[3] = config;
+ buffer[2] = config;
+ buffer[3] = cb;
tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n",
buffer[0],buffer[1],buffer[2],buffer[3]);
@@ -332,12 +338,21 @@ static void default_set_radio_freq(struct i2c_client *c, unsigned int freq)
u8 buffer[4];
u16 div;
int rc, j;
+ enum param_type desired_type = TUNER_PARAM_TYPE_RADIO;
tun = &tuners[t->type];
- j = TUNER_PARAM_ANALOG;
+
+ for (j = 0; j < tun->count-1; j++) {
+ if (desired_type != tun->params[j].type)
+ continue;
+ break;
+ }
+ /* use default tuner_params if desired_type not available */
+ if (desired_type != tun->params[j].type)
+ j = 0;
div = (20 * freq / 16000) + (int)(20*10.7); /* IF 10.7 MHz */
- buffer[2] = (tun->params[j].config & ~TUNER_RATIO_MASK) | TUNER_RATIO_SELECT_50; /* 50 kHz step */
+ buffer[2] = (tun->params[j].ranges[0].config & ~TUNER_RATIO_MASK) | TUNER_RATIO_SELECT_50; /* 50 kHz step */
switch (t->type) {
case TUNER_TENA_9533_DI:
@@ -349,6 +364,9 @@ static void default_set_radio_freq(struct i2c_client *c, unsigned int freq)
case TUNER_PHILIPS_FMD1216ME_MK3:
buffer[3] = 0x19;
break;
+ case TUNER_TNF_5335MF:
+ buffer[3] = 0x11;
+ break;
case TUNER_PHILIPS_FM1256_IH3:
div = (20 * freq) / 16000 + (int)(33.3 * 20); /* IF 33.3 MHz */
buffer[3] = 0x19;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.