X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fmedia%2Fvideo%2Ftuner-simple.c;h=5d7abed71674f179ee6797a21b33ab89ee4ea5ff;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=48c6ceff1dc265c39799ec15120c42e59c024735;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git diff --git a/drivers/media/video/tuner-simple.c b/drivers/media/video/tuner-simple.c index 48c6ceff1..5d7abed71 100644 --- a/drivers/media/video/tuner-simple.c +++ b/drivers/media/video/tuner-simple.c @@ -1,5 +1,4 @@ /* - * $Id: tuner-simple.c,v 1.10 2005/03/08 08:38:00 kraxel Exp $ * * i2c tv tuner chip device driver * controls all those simple 4-control-bytes style tuners. @@ -9,6 +8,10 @@ #include #include +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 @@ -54,166 +57,27 @@ #define PHILIPS_MF_SET_PAL_L 0x03 // France #define PHILIPS_MF_SET_PAL_L2 0x02 // L' +/* Control byte */ -/* ---------------------------------------------------------------------- */ +#define TUNER_RATIO_MASK 0x06 /* Bit cb1:cb2 */ +#define TUNER_RATIO_SELECT_50 0x00 +#define TUNER_RATIO_SELECT_32 0x02 +#define TUNER_RATIO_SELECT_166 0x04 +#define TUNER_RATIO_SELECT_62 0x06 -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 */ -}; +#define TUNER_CHARGE_PUMP 0x40 /* Bit cb6 */ -/* - * 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 }, - -}; -unsigned const int tuner_count = ARRAY_SIZE(tuners); +/* Status byte */ + +#define TUNER_POR 0x80 +#define TUNER_FL 0x40 +#define TUNER_MODE 0x38 +#define TUNER_AFC 0x07 +#define TUNER_SIGNAL 0x07 +#define TUNER_STEREO 0x10 + +#define TUNER_PLL_LOCKED 0x40 +#define TUNER_STEREO_MK3 0x04 /* ---------------------------------------------------------------------- */ @@ -223,67 +87,113 @@ static int tuner_getstatus(struct i2c_client *c) 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_SIGNAL 0x07 /* radio mode */ - static int tuner_signal(struct i2c_client *c) { - return (tuner_getstatus(c) & TUNER_SIGNAL)<<13; + return (tuner_getstatus(c) & TUNER_SIGNAL) << 13; } static int tuner_stereo(struct i2c_client *c) { - return (tuner_getstatus (c) & TUNER_STEREO); -} + int stereo, status; + struct tuner *t = i2c_get_clientdata(c); -#if 0 /* unused */ -static int tuner_islocked (struct i2c_client *c) -{ - return (tuner_getstatus (c) & TUNER_FL); -} + status = tuner_getstatus (c); -static int tuner_afcstatus (struct i2c_client *c) -{ - return (tuner_getstatus (c) & TUNER_AFC) - 2; -} + 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; + } -static int tuner_mode (struct i2c_client *c) -{ - return (tuner_getstatus (c) & TUNER_MODE) >> 3; + return stereo; } -#endif + /* ---------------------------------------------------------------------- */ static void default_set_tv_freq(struct i2c_client *c, unsigned int freq) { struct tuner *t = i2c_get_clientdata(c); - u8 config; + u8 config, cb, tuneraddr; u16 div; struct tunertype *tun; - unsigned char buffer[4]; - int rc; + u8 buffer[4]; + int rc, IFPCoff, i, j; + enum param_type desired_type; 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"); + + /* 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 { - config = tun->UHF; - tuner_dbg("tv: UHF range\n"); + 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) + 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].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) { @@ -291,40 +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; @@ -334,48 +244,59 @@ 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->config |= 0x40; + config |= TUNER_CHARGE_PUMP; + break; + + case TUNER_PHILIPS_TUV1236D: + /* 0x40 -> ATSC antenna input 1 */ + /* 0x48 -> ATSC antenna input 2 */ + /* 0x00 -> NTSC antenna input 1 */ + /* 0x08 -> NTSC antenna input 2 */ + buffer[0] = 0x14; + buffer[1] = 0x00; + buffer[2] = 0x17; + buffer[3] = 0x00; + cb &= ~0x40; + if (t->std & V4L2_STD_ATSC) { + cb |= 0x40; + buffer[1] = 0x04; + } + /* set to the correct mode (analog or digital) */ + tuneraddr = c->addr; + c->addr = 0x0a; + if (2 != (rc = i2c_master_send(c,&buffer[0],2))) + tuner_warn("i2c i/o error: rc == %d (should be 2)\n",rc); + if (2 != (rc = i2c_master_send(c,&buffer[2],2))) + tuner_warn("i2c i/o error: rc == %d (should be 2)\n",rc); + c->addr = tuneraddr; + /* FIXME: input */ 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; + if (tuners[t->type].params->cb_first_if_lower_freq && div < t->last_div) { + 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->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", buffer[0],buffer[1],buffer[2],buffer[3]); - if (4 != (rc = i2c_master_send(c,buffer,4))) + 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) { @@ -391,18 +312,17 @@ static void default_set_tv_freq(struct i2c_client *c, unsigned int freq) 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) + if (status_byte & TUNER_PLL_LOCKED) break; udelay(10); } /* Set the charge pump for optimized phase noise figure */ - tun->config &= ~0x40; + config &= ~TUNER_CHARGE_PUMP; buffer[0] = (div>>8) & 0x7f; buffer[1] = div & 0xff; - buffer[2] = tun->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]); @@ -415,38 +335,70 @@ 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; + enum param_type desired_type = TUNER_PARAM_TYPE_RADIO; - tun=&tuners[t->type]; - div = freq + (int)(16*10.7); - buffer[2] = tun->config; + tun = &tuners[t->type]; + + 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].ranges[0].config & ~TUNER_RATIO_MASK) | TUNER_RATIO_SELECT_50; /* 50 kHz step */ switch (t->type) { + case TUNER_TENA_9533_DI: + case TUNER_YMEC_TVF_5533MF: + tuner_dbg ("This tuner doesn't have FM. Most cards has a TEA5767 for FM\n"); + return; case TUNER_PHILIPS_FM1216ME_MK3: case TUNER_PHILIPS_FM1236_MK3: + 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)/16 + 333 * 2; - buffer[2] = 0x80; + div = (20 * freq) / 16000 + (int)(33.3 * 20); /* IF 33.3 MHz */ buffer[3] = 0x19; break; case TUNER_LG_PAL_FM: buffer[3] = 0xa5; break; + case TUNER_MICROTUNE_4049FM5: + div = (20 * freq) / 16000 + (int)(33.3 * 20); /* IF 33.3 MHz */ + buffer[3] = 0xa4; + break; default: buffer[3] = 0xa4; break; } - buffer[0] = (div>>8) & 0x7f; - buffer[1] = div & 0xff; + 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))) + if (4 != (rc = i2c_master_send(c,buffer,4))) tuner_warn("i2c i/o error: rc == %d (should be 4)\n",rc); } @@ -458,10 +410,12 @@ 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; }