/* * $Id: tuner-simple.c,v 1.31 2005/06/21 16:02:25 mkrufky Exp $ * * i2c tv tuner chip device driver * controls all those simple 4-control-bytes style tuners. */ #include <linux/delay.h> #include <linux/i2c.h> #include <linux/videodev.h> #include <media/tuner.h> /* ---------------------------------------------------------------------- */ /* tv standard selection for Temic 4046 FM5 this value takes the low bits of control byte 2 from datasheet Rev.01, Feb.00 standard BG I L L2 D picture IF 38.9 38.9 38.9 33.95 38.9 sound 1 33.4 32.9 32.4 40.45 32.4 sound 2 33.16 NICAM 33.05 32.348 33.05 33.05 */ #define TEMIC_SET_PAL_I 0x05 #define TEMIC_SET_PAL_DK 0x09 #define TEMIC_SET_PAL_L 0x0a // SECAM ? #define TEMIC_SET_PAL_L2 0x0b // change IF ! #define TEMIC_SET_PAL_BG 0x0c /* tv tuner system standard selection for Philips FQ1216ME this value takes the low bits of control byte 2 from datasheet "1999 Nov 16" (supersedes "1999 Mar 23") standard BG DK I L L` picture carrier 38.90 38.90 38.90 38.90 33.95 colour 34.47 34.47 34.47 34.47 38.38 sound 1 33.40 32.40 32.90 32.40 40.45 sound 2 33.16 - - - - NICAM 33.05 33.05 32.35 33.05 39.80 */ #define PHILIPS_SET_PAL_I 0x01 /* Bit 2 always zero !*/ #define PHILIPS_SET_PAL_BGDK 0x09 #define PHILIPS_SET_PAL_L2 0x0a #define PHILIPS_SET_PAL_L 0x0b /* system switching for Philips FI1216MF MK2 from datasheet "1996 Jul 09", standard BG L L' picture carrier 38.90 38.90 33.95 colour 34.47 34.37 38.38 sound 1 33.40 32.40 40.45 sound 2 33.16 - - NICAM 33.05 33.05 39.80 */ #define PHILIPS_MF_SET_BG 0x01 /* Bit 2 must be zero, Bit 3 is system output */ #define PHILIPS_MF_SET_PAL_L 0x03 // France #define PHILIPS_MF_SET_PAL_L2 0x02 // L' /* ---------------------------------------------------------------------- */ 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. */ static struct tunertype tuners[] = { { "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}, { "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}, { "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}, { "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*160.00,16*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}, { "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}, { "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 */ }, { "LG PAL (TAPE series)", LGINNOTEK, 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 }, /* Should work for TVF8531MF, TVF8831MF, TVF8731MF */ { "Ymec TVision TVF-8531MF", 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}, { "Thomson DDT 7611 (ATSC/NTSC)", THOMSON, ATSC, 16*157.25,16*454.00,0x39,0x3a,0x3c,0x8e,732}, /* Should work for TNF9533-D/IF, TNF9533-B/DF */ { "Tena TNF9533-D/IF", Philips, PAL, 16*160.25,16*464.25,0x01,0x02,0x04,0x8e,623}, /* This entry is for TEA5767 FM radio only chip used on several boards w/TV tuner */ { TEA5767_TUNER_NAME, Philips, RADIO, -1, -1, 0, 0, 0, TEA5767_LOW_LO_32768,0}, { "Philips FMD1216ME MK3 Hybrid Tuner", Philips, PAL, 16*160.00,16*442.00,0x51,0x52,0x54,0x86,623 }, }; unsigned const int tuner_count = ARRAY_SIZE(tuners); /* ---------------------------------------------------------------------- */ static int tuner_getstatus(struct i2c_client *c) { unsigned char byte; if (1 != i2c_master_recv(c,&byte,1)) return 0; return byte; } #define TUNER_POR 0x80 #define TUNER_FL 0x40 #define TUNER_MODE 0x38 #define TUNER_AFC 0x07 #define TUNER_STEREO 0x10 /* radio mode */ #define TUNER_STEREO_MK3 0x04 /* radio mode */ #define TUNER_SIGNAL 0x07 /* radio mode */ static int tuner_signal(struct i2c_client *c) { return (tuner_getstatus(c) & TUNER_SIGNAL) << 13; } static int tuner_stereo(struct i2c_client *c) { int stereo, status; struct tuner *t = i2c_get_clientdata(c); status = tuner_getstatus (c); switch (t->type) { case TUNER_PHILIPS_FM1216ME_MK3: case TUNER_PHILIPS_FM1236_MK3: case TUNER_PHILIPS_FM1256_IH3: stereo = ((status & TUNER_SIGNAL) == TUNER_STEREO_MK3); break; default: stereo = status & TUNER_STEREO; } return stereo; } #if 0 /* unused */ static int tuner_islocked (struct i2c_client *c) { return (tuner_getstatus (c) & TUNER_FL); } static int tuner_afcstatus (struct i2c_client *c) { return (tuner_getstatus (c) & TUNER_AFC) - 2; } static int tuner_mode (struct i2c_client *c) { return (tuner_getstatus (c) & TUNER_MODE) >> 3; } #endif /* ---------------------------------------------------------------------- */ static void default_set_tv_freq(struct i2c_client *c, unsigned int freq) { struct tuner *t = i2c_get_clientdata(c); u8 config; u16 div; struct tunertype *tun; unsigned char buffer[4]; int rc; 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"); } /* tv norm specific stuff for multi-norm tuners */ switch (t->type) { case TUNER_PHILIPS_SECAM: // FI1216MF /* 0x01 -> ??? no change ??? */ /* 0x02 -> PAL BDGHI / SECAM L */ /* 0x04 -> ??? PAL others / SECAM others ??? */ config &= ~0x02; if (t->std & V4L2_STD_SECAM) config |= 0x02; break; case TUNER_TEMIC_4046FM5: config &= ~0x0f; if (t->std & V4L2_STD_PAL_BG) { config |= TEMIC_SET_PAL_BG; } else if (t->std & V4L2_STD_PAL_I) { config |= TEMIC_SET_PAL_I; } else if (t->std & V4L2_STD_PAL_DK) { config |= TEMIC_SET_PAL_DK; } else if (t->std & V4L2_STD_SECAM_L) { config |= TEMIC_SET_PAL_L; } break; case TUNER_PHILIPS_FQ1216ME: config &= ~0x0f; if (t->std & (V4L2_STD_PAL_BG|V4L2_STD_PAL_DK)) { config |= PHILIPS_SET_PAL_BGDK; } else if (t->std & V4L2_STD_PAL_I) { config |= PHILIPS_SET_PAL_I; } else if (t->std & V4L2_STD_SECAM_L) { config |= PHILIPS_SET_PAL_L; } break; case TUNER_PHILIPS_ATSC: /* 0x00 -> ATSC antenna input 1 */ /* 0x01 -> ATSC antenna input 2 */ /* 0x02 -> NTSC antenna input 1 */ /* 0x03 -> NTSC antenna input 2 */ config &= ~0x03; if (!(t->std & V4L2_STD_ATSC)) config |= 2; /* FIXME: input */ break; case TUNER_MICROTUNE_4042FI5: /* Set the charge pump for fast tuning */ tun->config |= 0x40; 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; 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[3] = config; } tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n", buffer[0],buffer[1],buffer[2],buffer[3]); if (4 != (rc = i2c_master_send(c,buffer,4))) tuner_warn("i2c i/o error: rc == %d (should be 4)\n",rc); if (t->type == TUNER_MICROTUNE_4042FI5) { // FIXME - this may also work for other tuners unsigned long timeout = jiffies + msecs_to_jiffies(1); u8 status_byte = 0; /* Wait until the PLL locks */ for (;;) { if (time_after(jiffies,timeout)) return; if (1 != (rc = i2c_master_recv(c,&status_byte,1))) { tuner_warn("i2c i/o read error: rc == %d (should be 1)\n",rc); break; } /* bit 6 is PLL locked indicator */ if (status_byte & 0x40) break; udelay(10); } /* Set the charge pump for optimized phase noise figure */ tun->config &= ~0x40; buffer[0] = (div>>8) & 0x7f; buffer[1] = div & 0xff; buffer[2] = tun->config; buffer[3] = config; tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n", buffer[0],buffer[1],buffer[2],buffer[3]); if (4 != (rc = i2c_master_send(c,buffer,4))) tuner_warn("i2c i/o error: rc == %d (should be 4)\n",rc); } } 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; tun=&tuners[t->type]; div = (freq / 1000) + (int)(16*10.7); buffer[2] = tun->config; switch (t->type) { case TUNER_TENA_9533_DI: case TUNER_YMEC_TVF_5533MF: /*These values are empirically determinated */ div = (freq * 122) / 16000 - 20; buffer[2] = 0x88; /* could be also 0x80 */ buffer[3] = 0x19; /* could be also 0x10, 0x18, 0x99 */ break; case TUNER_PHILIPS_FM1216ME_MK3: case TUNER_PHILIPS_FM1236_MK3: case TUNER_PHILIPS_FMD1216ME_MK3: buffer[3] = 0x19; break; case TUNER_PHILIPS_FM1256_IH3: div = (20 * freq) / 16000 + 333 * 2; buffer[2] = 0x80; buffer[3] = 0x19; break; case TUNER_LG_PAL_FM: buffer[3] = 0xa5; break; default: buffer[3] = 0xa4; break; } 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]); if (4 != (rc = i2c_master_send(c,buffer,4))) tuner_warn("i2c i/o error: rc == %d (should be 4)\n",rc); } int default_tuner_init(struct i2c_client *c) { struct tuner *t = i2c_get_clientdata(c); tuner_info("type set to %d (%s)\n", 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->has_signal = tuner_signal; t->is_stereo = tuner_stereo; return 0; } /* * Overrides for Emacs so that we follow Linus's tabbing style. * --------------------------------------------------------------------------- * Local variables: * c-basic-offset: 8 * End: */