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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.c309
1 files changed, 88 insertions, 221 deletions
diff --git a/drivers/media/video/tuner-simple.c b/drivers/media/video/tuner-simple.c
index e0c9fdb9914..37977ff4978 100644
--- a/drivers/media/video/tuner-simple.c
+++ b/drivers/media/video/tuner-simple.c
@@ -8,6 +8,10 @@
#include <linux/videodev.h>
#include <media/tuner.h>
+static int offset = 0;
+module_param(offset, int, 0666);
+MODULE_PARM_DESC(offset,"Allows to specify an offset for tuner");
+
/* ---------------------------------------------------------------------- */
/* tv standard selection for Temic 4046 FM5
@@ -75,188 +79,16 @@
#define TUNER_PLL_LOCKED 0x40
#define TUNER_STEREO_MK3 0x04
-/* ---------------------------------------------------------------------- */
-
-struct tunertype
-{
- char *name;
- unsigned char Vendor;
- unsigned char Type;
-
- unsigned short thresh1; /* band switch VHF_LO <=> VHF_HI */
- unsigned short thresh2; /* band switch VHF_HI <=> UHF */
- unsigned char VHF_L;
- unsigned char VHF_H;
- unsigned char UHF;
- unsigned char config;
- unsigned short IFPCoff; /* 622.4=16*38.90 MHz PAL,
- 732 =16*45.75 NTSCi,
- 940 =16*58.75 NTSC-Japan
- 704 =16*44 ATSC */
-};
-
-/*
- * The floats in the tuner struct are computed at compile time
- * by gcc and cast back to integers. Thus we don't violate the
- * "no float in kernel" rule.
+#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 struct tunertype tuners[] = {
- /* 0-9 */
- { "Temic PAL (4002 FH5)", TEMIC, PAL,
- 16*140.25,16*463.25,0x02,0x04,0x01,0x8e,623},
- { "Philips PAL_I (FI1246 and compatibles)", Philips, PAL_I,
- 16*140.25,16*463.25,0xa0,0x90,0x30,0x8e,623},
- { "Philips NTSC (FI1236,FM1236 and compatibles)", Philips, NTSC,
- 16*157.25,16*451.25,0xA0,0x90,0x30,0x8e,732},
- { "Philips (SECAM+PAL_BG) (FI1216MF, FM1216MF, FR1216MF)", Philips, SECAM,
- 16*168.25,16*447.25,0xA7,0x97,0x37,0x8e,623},
- { "NoTuner", NoTuner, NOTUNER,
- 0,0,0x00,0x00,0x00,0x00,0x00},
- { "Philips PAL_BG (FI1216 and compatibles)", Philips, PAL,
- 16*168.25,16*447.25,0xA0,0x90,0x30,0x8e,623},
- { "Temic NTSC (4032 FY5)", TEMIC, NTSC,
- 16*157.25,16*463.25,0x02,0x04,0x01,0x8e,732},
- { "Temic PAL_I (4062 FY5)", TEMIC, PAL_I,
- 16*170.00,16*450.00,0x02,0x04,0x01,0x8e,623},
- { "Temic NTSC (4036 FY5)", TEMIC, NTSC,
- 16*157.25,16*463.25,0xa0,0x90,0x30,0x8e,732},
- { "Alps HSBH1", TEMIC, NTSC,
- 16*137.25,16*385.25,0x01,0x02,0x08,0x8e,732},
-
- /* 10-19 */
- { "Alps TSBE1", TEMIC, PAL,
- 16*137.25,16*385.25,0x01,0x02,0x08,0x8e,732},
- { "Alps TSBB5", Alps, PAL_I, /* tested (UK UHF) with Modulartech MM205 */
- 16*133.25,16*351.25,0x01,0x02,0x08,0x8e,632},
- { "Alps TSBE5", Alps, PAL, /* untested - data sheet guess. Only IF differs. */
- 16*133.25,16*351.25,0x01,0x02,0x08,0x8e,622},
- { "Alps TSBC5", Alps, PAL, /* untested - data sheet guess. Only IF differs. */
- 16*133.25,16*351.25,0x01,0x02,0x08,0x8e,608},
- { "Temic PAL_BG (4006FH5)", TEMIC, PAL,
- 16*170.00,16*450.00,0xa0,0x90,0x30,0x8e,623},
- { "Alps TSCH6", Alps, NTSC,
- 16*137.25,16*385.25,0x14,0x12,0x11,0x8e,732},
- { "Temic PAL_DK (4016 FY5)", TEMIC, PAL,
- 16*168.25,16*456.25,0xa0,0x90,0x30,0x8e,623},
- { "Philips NTSC_M (MK2)", Philips, NTSC,
- 16*160.00,16*454.00,0xa0,0x90,0x30,0x8e,732},
- { "Temic PAL_I (4066 FY5)", TEMIC, PAL_I,
- 16*169.00, 16*454.00, 0xa0,0x90,0x30,0x8e,623},
- { "Temic PAL* auto (4006 FN5)", TEMIC, PAL,
- 16*169.00, 16*454.00, 0xa0,0x90,0x30,0x8e,623},
-
- /* 20-29 */
- { "Temic PAL_BG (4009 FR5) or PAL_I (4069 FR5)", TEMIC, PAL,
- 16*141.00, 16*464.00, 0xa0,0x90,0x30,0x8e,623},
- { "Temic NTSC (4039 FR5)", TEMIC, NTSC,
- 16*158.00, 16*453.00, 0xa0,0x90,0x30,0x8e,732},
- { "Temic PAL/SECAM multi (4046 FM5)", TEMIC, PAL,
- 16*169.00, 16*454.00, 0xa0,0x90,0x30,0x8e,623},
- { "Philips PAL_DK (FI1256 and compatibles)", Philips, PAL,
- 16*170.00,16*450.00,0xa0,0x90,0x30,0x8e,623},
- { "Philips PAL/SECAM multi (FQ1216ME)", Philips, PAL,
- 16*170.00,16*450.00,0xa0,0x90,0x30,0x8e,623},
- { "LG PAL_I+FM (TAPC-I001D)", LGINNOTEK, PAL_I,
- 16*170.00,16*450.00,0xa0,0x90,0x30,0x8e,623},
- { "LG PAL_I (TAPC-I701D)", LGINNOTEK, PAL_I,
- 16*170.00,16*450.00,0xa0,0x90,0x30,0x8e,623},
- { "LG NTSC+FM (TPI8NSR01F)", LGINNOTEK, NTSC,
- 16*210.00,16*497.00,0xa0,0x90,0x30,0x8e,732},
- { "LG PAL_BG+FM (TPI8PSB01D)", LGINNOTEK, PAL,
- 16*170.00,16*450.00,0xa0,0x90,0x30,0x8e,623},
- { "LG PAL_BG (TPI8PSB11D)", LGINNOTEK, PAL,
- 16*170.00,16*450.00,0xa0,0x90,0x30,0x8e,623},
-
- /* 30-39 */
- { "Temic PAL* auto + FM (4009 FN5)", TEMIC, PAL,
- 16*141.00, 16*464.00, 0xa0,0x90,0x30,0x8e,623},
- { "SHARP NTSC_JP (2U5JF5540)", SHARP, NTSC, /* 940=16*58.75 NTSC@Japan */
- 16*137.25,16*317.25,0x01,0x02,0x08,0x8e,940 },
- { "Samsung PAL TCPM9091PD27", Samsung, PAL, /* from sourceforge v3tv */
- 16*169,16*464,0xA0,0x90,0x30,0x8e,623},
- { "MT20xx universal", Microtune, PAL|NTSC,
- /* see mt20xx.c for details */ },
- { "Temic PAL_BG (4106 FH5)", TEMIC, PAL,
- 16*141.00, 16*464.00, 0xa0,0x90,0x30,0x8e,623},
- { "Temic PAL_DK/SECAM_L (4012 FY5)", TEMIC, PAL,
- 16*140.25, 16*463.25, 0x02,0x04,0x01,0x8e,623},
- { "Temic NTSC (4136 FY5)", TEMIC, NTSC,
- 16*158.00, 16*453.00, 0xa0,0x90,0x30,0x8e,732},
- { "LG PAL (newer TAPC series)", LGINNOTEK, PAL,
- 16*170.00, 16*450.00, 0x01,0x02,0x08,0x8e,623},
- { "Philips PAL/SECAM multi (FM1216ME MK3)", Philips, PAL,
- 16*158.00,16*442.00,0x01,0x02,0x04,0x8e,623 },
- { "LG NTSC (newer TAPC series)", LGINNOTEK, NTSC,
- 16*170.00, 16*450.00, 0x01,0x02,0x08,0x8e,732},
-
- /* 40-49 */
- { "HITACHI V7-J180AT", HITACHI, NTSC,
- 16*170.00, 16*450.00, 0x01,0x02,0x08,0x8e,940 },
- { "Philips PAL_MK (FI1216 MK)", Philips, PAL,
- 16*140.25,16*463.25,0x01,0xc2,0xcf,0x8e,623},
- { "Philips 1236D ATSC/NTSC daul in", Philips, ATSC,
- 16*157.25,16*454.00,0xa0,0x90,0x30,0x8e,732},
- { "Philips NTSC MK3 (FM1236MK3 or FM1236/F)", Philips, NTSC,
- 16*160.00,16*442.00,0x01,0x02,0x04,0x8e,732},
- { "Philips 4 in 1 (ATI TV Wonder Pro/Conexant)", Philips, NTSC,
- 16*160.00,16*442.00,0x01,0x02,0x04,0x8e,732},
- { "Microtune 4049 FM5", Microtune, PAL,
- 16*141.00,16*464.00,0xa0,0x90,0x30,0x8e,623},
- { "Panasonic VP27s/ENGE4324D", Panasonic, NTSC,
- 16*160.00,16*454.00,0x01,0x02,0x08,0xce,940},
- { "LG NTSC (TAPE series)", LGINNOTEK, NTSC,
- 16*160.00,16*442.00,0x01,0x02,0x04,0x8e,732 },
- { "Tenna TNF 8831 BGFF)", Philips, PAL,
- 16*161.25,16*463.25,0xa0,0x90,0x30,0x8e,623},
- { "Microtune 4042 FI5 ATSC/NTSC dual in", Microtune, NTSC,
- 16*162.00,16*457.00,0xa2,0x94,0x31,0x8e,732},
-
- /* 50-59 */
- { "TCL 2002N", TCL, NTSC,
- 16*172.00,16*448.00,0x01,0x02,0x08,0x8e,732},
- { "Philips PAL/SECAM_D (FM 1256 I-H3)", Philips, PAL,
- 16*160.00,16*442.00,0x01,0x02,0x04,0x8e,623 },
- { "Thomson DDT 7610 (ATSC/NTSC)", THOMSON, ATSC,
- 16*157.25,16*454.00,0x39,0x3a,0x3c,0x8e,732},
- { "Philips FQ1286", Philips, NTSC,
- 16*160.00,16*454.00,0x41,0x42,0x04,0x8e,940}, /* UHF band untested */
- { "tda8290+75", Philips, PAL|NTSC,
- /* see tda8290.c for details */ },
- { "TCL 2002MB", TCL, PAL,
- 16*170.00, 16*450.00, 0x01,0x02,0x08,0xce,623},
- { "Philips PAL/SECAM multi (FQ1216AME MK4)", Philips, PAL,
- 16*160.00,16*442.00,0x01,0x02,0x04,0xce,623 },
- { "Philips FQ1236A MK4", Philips, NTSC,
- 16*160.00,16*442.00,0x01,0x02,0x04,0x8e,732 },
- { "Ymec TVision TVF-8531MF/8831MF/8731MF", Philips, NTSC,
- 16*160.00,16*454.00,0xa0,0x90,0x30,0x8e,732},
- { "Ymec TVision TVF-5533MF", Philips, NTSC,
- 16*160.00,16*454.00,0x01,0x02,0x04,0x8e,732},
-
- /* 60-69 */
- { "Thomson DDT 7611 (ATSC/NTSC)", THOMSON, ATSC,
- 16*157.25,16*454.00,0x39,0x3a,0x3c,0x8e,732},
- { "Tena TNF9533-D/IF/TNF9533-B/DF", Philips, PAL,
- 16*160.25,16*464.25,0x01,0x02,0x04,0x8e,623},
- { "Philips TEA5767HN FM Radio", Philips, RADIO,
- /* see tea5767.c for details */},
- { "Philips FMD1216ME MK3 Hybrid Tuner", Philips, PAL,
- 16*160.00,16*442.00,0x51,0x52,0x54,0x86,623 },
- { "LG TDVS-H062F/TUA6034", LGINNOTEK, ATSC,
- 16*160.00,16*455.00,0x01,0x02,0x04,0x8e,732},
- { "Ymec TVF66T5-B/DFF", Philips, PAL,
- 16*160.25,16*464.25,0x01,0x02,0x08,0x8e,623},
- { "LG NTSC (TALN mini series)", LGINNOTEK, NTSC,
- 16*137.25,16*373.25,0x01,0x02,0x08,0x8e,732 },
- { "Philips TD1316 Hybrid Tuner", Philips, PAL,
- 16*160.00,16*442.00,0xa1,0xa2,0xa4,0xc8,623 },
- { "Philips TUV1236D ATSC/NTSC dual in", Philips, ATSC,
- 16*157.25,16*454.00,0x01,0x02,0x04,0xce,732 },
- { "Tena TNF 5335 MF", Philips, NTSC,
- 16*157.25,16*454.00,0x01,0x02,0x04,0x8e,732 },
-};
-
-unsigned const int tuner_count = ARRAY_SIZE(tuners);
/* ---------------------------------------------------------------------- */
@@ -304,21 +136,27 @@ static void default_set_tv_freq(struct i2c_client *c, unsigned int freq)
u8 config, tuneraddr;
u16 div;
struct tunertype *tun;
- unsigned char buffer[4];
- int rc;
+ u8 buffer[4];
+ int rc, IFPCoff, i, j;
tun = &tuners[t->type];
- if (freq < tun->thresh1) {
- config = tun->VHF_L;
- tuner_dbg("tv: VHF lowrange\n");
- } else if (freq < tun->thresh2) {
- config = tun->VHF_H;
- tuner_dbg("tv: VHF high range\n");
- } else {
- config = tun->UHF;
- tuner_dbg("tv: UHF range\n");
- }
+ j = TUNER_PARAM_ANALOG;
+ for (i = 0; i < tun->params[j].count; i++) {
+ if (freq > tun->params[j].ranges[i].limit)
+ continue;
+ break;
+ }
+ if (i == tun->params[j].count) {
+ tuner_dbg("TV frequency out of range (%d > %d)",
+ 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);
/* tv norm specific stuff for multi-norm tuners */
switch (t->type) {
@@ -377,7 +215,7 @@ static void default_set_tv_freq(struct i2c_client *c, unsigned int freq)
case TUNER_MICROTUNE_4042FI5:
/* Set the charge pump for fast tuning */
- tun->config |= TUNER_CHARGE_PUMP;
+ tun->params[j].config |= TUNER_CHARGE_PUMP;
break;
case TUNER_PHILIPS_TUV1236D:
@@ -406,32 +244,49 @@ static void default_set_tv_freq(struct i2c_client *c, unsigned int freq)
break;
}
- /*
- * Philips FI1216MK2 remark from specification :
- * for channel selection involving band switching, and to ensure
- * smooth tuning to the desired channel without causing
- * unnecessary charge pump action, it is recommended to consider
- * the difference between wanted channel frequency and the
- * current channel frequency. Unnecessary charge pump action
- * will result in very low tuning voltage which may drive the
- * oscillator to extreme conditions.
- *
- * Progfou: specification says to send config data before
- * frequency in case (wanted frequency < current frequency).
- */
-
- div=freq + tun->IFPCoff;
- if (t->type == TUNER_PHILIPS_SECAM && freq < t->freq) {
- buffer[0] = tun->config;
+ /* 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[2] = (div>>8) & 0x7f;
buffer[3] = div & 0xff;
} else {
buffer[0] = (div>>8) & 0x7f;
buffer[1] = div & 0xff;
- buffer[2] = tun->config;
+ buffer[2] = tun->params[j].config;
buffer[3] = config;
}
+ t->last_div = div;
tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n",
buffer[0],buffer[1],buffer[2],buffer[3]);
@@ -457,10 +312,10 @@ static void default_set_tv_freq(struct i2c_client *c, unsigned int freq)
}
/* Set the charge pump for optimized phase noise figure */
- tun->config &= ~TUNER_CHARGE_PUMP;
+ tun->params[j].config &= ~TUNER_CHARGE_PUMP;
buffer[0] = (div>>8) & 0x7f;
buffer[1] = div & 0xff;
- buffer[2] = tun->config;
+ buffer[2] = tun->params[j].config;
buffer[3] = config;
tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n",
buffer[0],buffer[1],buffer[2],buffer[3]);
@@ -474,13 +329,15 @@ static void default_set_radio_freq(struct i2c_client *c, unsigned int freq)
{
struct tunertype *tun;
struct tuner *t = i2c_get_clientdata(c);
- unsigned char buffer[4];
- unsigned div;
- int rc;
+ u8 buffer[4];
+ u16 div;
+ int rc, j;
tun = &tuners[t->type];
+ j = TUNER_PARAM_ANALOG;
+
div = (20 * freq / 16000) + (int)(20*10.7); /* IF 10.7 MHz */
- buffer[2] = (tun->config & ~TUNER_RATIO_MASK) | TUNER_RATIO_SELECT_50; /* 50 kHz step */
+ buffer[2] = (tun->params[j].config & ~TUNER_RATIO_MASK) | TUNER_RATIO_SELECT_50; /* 50 kHz step */
switch (t->type) {
case TUNER_TENA_9533_DI:
@@ -509,9 +366,19 @@ static void default_set_radio_freq(struct i2c_client *c, unsigned int freq)
}
buffer[0] = (div>>8) & 0x7f;
buffer[1] = div & 0xff;
+ if (tuners[t->type].params->cb_first_if_lower_freq && div < t->last_div) {
+ buffer[0] = buffer[2];
+ buffer[1] = buffer[3];
+ buffer[2] = (div>>8) & 0x7f;
+ buffer[3] = div & 0xff;
+ } else {
+ buffer[0] = (div>>8) & 0x7f;
+ buffer[1] = div & 0xff;
+ }
tuner_dbg("radio 0x%02x 0x%02x 0x%02x 0x%02x\n",
buffer[0],buffer[1],buffer[2],buffer[3]);
+ t->last_div = div;
if (4 != (rc = i2c_master_send(c,buffer,4)))
tuner_warn("i2c i/o error: rc == %d (should be 4)\n",rc);
@@ -525,10 +392,10 @@ int default_tuner_init(struct i2c_client *c)
t->type, tuners[t->type].name);
strlcpy(c->name, tuners[t->type].name, sizeof(c->name));
- t->tv_freq = default_set_tv_freq;
- t->radio_freq = default_set_radio_freq;
+ t->set_tv_freq = default_set_tv_freq;
+ t->set_radio_freq = default_set_radio_freq;
t->has_signal = tuner_signal;
- t->is_stereo = tuner_stereo;
+ t->is_stereo = tuner_stereo;
t->standby = NULL;
return 0;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-30 06:40:48 +0000