diff options
Diffstat (limited to 'drivers/media/video/tuner-core.c')
| -rw-r--r-- | drivers/media/video/tuner-core.c | 163 |
1 files changed, 85 insertions, 78 deletions
diff --git a/drivers/media/video/tuner-core.c b/drivers/media/video/tuner-core.c index eaabfc85870..6f6bf4a633f 100644 --- a/drivers/media/video/tuner-core.c +++ b/drivers/media/video/tuner-core.c @@ -1,5 +1,5 @@ /* - * $Id: tuner-core.c,v 1.15 2005/06/12 01:36:14 mchehab Exp $ + * $Id: tuner-core.c,v 1.29 2005/06/21 15:40:33 mchehab Exp $ * * i2c tv tuner chip device driver * core core, i.e. kernel interfaces, registering and so on @@ -26,7 +26,6 @@ /* * comment line bellow to return to old behavor, where only one I2C device is supported */ -#define CONFIG_TUNER_MULTI_I2C /**/ #define UNSET (-1U) @@ -58,9 +57,7 @@ MODULE_AUTHOR("Ralph Metzler, Gerd Knorr, Gunther Mayer"); MODULE_LICENSE("GPL"); static int this_adap; -#ifdef CONFIG_TUNER_MULTI_I2C static unsigned short first_tuner, tv_tuner, radio_tuner; -#endif static struct i2c_driver driver; static struct i2c_client client_template; @@ -81,26 +78,9 @@ static void set_tv_freq(struct i2c_client *c, unsigned int freq) return; } if (freq < tv_range[0]*16 || freq > tv_range[1]*16) { - - if (freq >= tv_range[0]*16364 && freq <= tv_range[1]*16384) { - /* V4L2_TUNER_CAP_LOW frequency */ - - tuner_dbg("V4L2_TUNER_CAP_LOW freq selected for TV. Tuners yet doesn't support converting it to valid freq.\n"); - - t->tv_freq(c,freq>>10); - - return; - } else { - /* FIXME: better do that chip-specific, but - right now we don't have that in the config - struct and this way is still better than no - check at all */ tuner_info("TV freq (%d.%02d) out of range (%d-%d)\n", freq/16,freq%16*100/16,tv_range[0],tv_range[1]); - return; - } } - tuner_dbg("62.5 Khz freq step selected for TV.\n"); t->tv_freq(c,freq); } @@ -116,31 +96,18 @@ static void set_radio_freq(struct i2c_client *c, unsigned int freq) tuner_info("no radio tuning for this one, sorry.\n"); return; } - if (freq < radio_range[0]*16 || freq > radio_range[1]*16) { - if (freq >= tv_range[0]*16364 && freq <= tv_range[1]*16384) { - /* V4L2_TUNER_CAP_LOW frequency */ - if (t->type == TUNER_TEA5767) { - tuner_info("radio freq step 62.5Hz (%d.%06d)\n",(freq>>14),freq%(1<<14)*10000); - t->radio_freq(c,freq>>10); - return; - } - - tuner_dbg("V4L2_TUNER_CAP_LOW freq selected for Radio. Tuners yet doesn't support converting it to valid freq.\n"); - - tuner_info("radio freq (%d.%06d)\n",(freq>>14),freq%(1<<14)*10000); - - t->radio_freq(c,freq>>10); - return; - - } else { - tuner_info("radio freq (%d.%02d) out of range (%d-%d)\n", - freq/16,freq%16*100/16, - radio_range[0],radio_range[1]); - return; - } + if (freq >= radio_range[0]*16000 && freq <= radio_range[1]*16000) { + if (tuner_debug) + tuner_info("radio freq step 62.5Hz (%d.%06d)\n", + freq/16000,freq%16000*1000/16); + t->radio_freq(c,freq); + } else { + tuner_info("radio freq (%d.%02d) out of range (%d-%d)\n", + freq/16,freq%16*100/16, + radio_range[0],radio_range[1]); } - tuner_dbg("62.5 Khz freq step selected for Radio.\n"); - t->radio_freq(c,freq); + + return; } static void set_freq(struct i2c_client *c, unsigned long freq) @@ -166,8 +133,8 @@ static void set_freq(struct i2c_client *c, unsigned long freq) static void set_type(struct i2c_client *c, unsigned int type) { struct tuner *t = i2c_get_clientdata(c); + unsigned char buffer[4]; - tuner_dbg ("I2C addr 0x%02x with type %d\n",c->addr<<1,type); /* sanity check */ if (type == UNSET || type == TUNER_ABSENT) return; @@ -179,8 +146,8 @@ static void set_type(struct i2c_client *c, unsigned int type) t->type = type; return; } - if (t->initialized) - /* run only once */ + if ((t->initialized) && (t->type == type)) + /* run only once except type change Hac 04/05*/ return; t->initialized = 1; @@ -193,25 +160,42 @@ static void set_type(struct i2c_client *c, unsigned int type) case TUNER_PHILIPS_TDA8290: tda8290_init(c); break; + case TUNER_TEA5767: + if (tea5767_tuner_init(c)==EINVAL) t->type=TUNER_ABSENT; + break; + case TUNER_PHILIPS_FMD1216ME_MK3: + buffer[0] = 0x0b; + buffer[1] = 0xdc; + buffer[2] = 0x9c; + buffer[3] = 0x60; + i2c_master_send(c,buffer,4); + mdelay(1); + buffer[2] = 0x86; + buffer[3] = 0x54; + i2c_master_send(c,buffer,4); + default_tuner_init(c); + break; default: + /* TEA5767 autodetection code */ + if (tea5767_tuner_init(c)!=EINVAL) { + t->type = TUNER_TEA5767; + if (first_tuner == 0x60) + first_tuner++; + break; + } + default_tuner_init(c); break; } + tuner_dbg ("I2C addr 0x%02x with type %d\n",c->addr<<1,type); } -#ifdef CONFIG_TUNER_MULTI_I2C #define CHECK_ADDR(tp,cmd,tun) if (client->addr!=tp) { \ - return 0; } else \ + return 0; } else if (tuner_debug) \ tuner_info ("Cmd %s accepted to "tun"\n",cmd); #define CHECK_MODE(cmd) if (t->mode == V4L2_TUNER_RADIO) { \ CHECK_ADDR(radio_tuner,cmd,"radio") } else \ { CHECK_ADDR(tv_tuner,cmd,"TV"); } -#else -#define CHECK_ADDR(tp,cmd,tun) tuner_info ("Cmd %s accepted to "tun"\n",cmd); -#define CHECK_MODE(cmd) tuner_info ("Cmd %s accepted\n",cmd); -#endif - -#ifdef CONFIG_TUNER_MULTI_I2C static void set_addr(struct i2c_client *c, struct tuner_addr *tun_addr) { @@ -242,9 +226,6 @@ static void set_addr(struct i2c_client *c, struct tuner_addr *tun_addr) } set_type(c,tun_addr->type); } -#else -#define set_addr(c,tun_addr) set_type(c,(tun_addr)->type) -#endif static char pal[] = "-"; module_param_string(pal, pal, sizeof(pal), 0644); @@ -284,17 +265,12 @@ static int tuner_attach(struct i2c_adapter *adap, int addr, int kind) { struct tuner *t; -#ifndef CONFIG_TUNER_MULTI_I2C - if (this_adap > 0) - return -1; -#else /* by default, first I2C card is both tv and radio tuner */ if (this_adap == 0) { first_tuner = addr; tv_tuner = addr; radio_tuner = addr; } -#endif this_adap++; client_template.adapter = adap; @@ -308,6 +284,7 @@ static int tuner_attach(struct i2c_adapter *adap, int addr, int kind) i2c_set_clientdata(&t->i2c, t); t->type = UNSET; t->radio_if2 = 10700*1000; /* 10.7MHz - FM radio */ + t->audmode = V4L2_TUNER_MODE_STEREO; i2c_attach_client(&t->i2c); tuner_info("chip found @ 0x%x (%s)\n", @@ -325,11 +302,9 @@ static int tuner_probe(struct i2c_adapter *adap) } this_adap = 0; -#ifdef CONFIG_TUNER_MULTI_I2C first_tuner = 0; tv_tuner = 0; radio_tuner = 0; -#endif if (adap->class & I2C_CLASS_TV_ANALOG) return i2c_probe(adap, &addr_data, tuner_attach); @@ -392,8 +367,7 @@ tuner_command(struct i2c_client *client, unsigned int cmd, void *arg) t->radio_if2 = 41300 * 1000; break; } - break; - + break; /* --- v4l ioctls --- */ /* take care: bttv does userspace copying, we'll get a kernel pointer here... */ @@ -440,11 +414,18 @@ tuner_command(struct i2c_client *client, unsigned int cmd, void *arg) vt->signal = t->has_signal(client); if (t->is_stereo) { if (t->is_stereo(client)) - vt-> flags |= VIDEO_TUNER_STEREO_ON; + vt->flags |= VIDEO_TUNER_STEREO_ON; else - vt-> flags &= 0xffff ^ VIDEO_TUNER_STEREO_ON; + vt->flags &= ~VIDEO_TUNER_STEREO_ON; } vt->flags |= V4L2_TUNER_CAP_LOW; /* Allow freqs at 62.5 Hz */ + + vt->rangelow = radio_range[0] * 16000; + vt->rangehigh = radio_range[1] * 16000; + + } else { + vt->rangelow = tv_range[0] * 16; + vt->rangehigh = tv_range[1] * 16; } return 0; @@ -510,20 +491,46 @@ tuner_command(struct i2c_client *client, unsigned int cmd, void *arg) tuner -> signal = t->has_signal(client); if (t->is_stereo) { if (t->is_stereo(client)) { - tuner -> capability |= V4L2_TUNER_CAP_STEREO; - tuner -> rxsubchans |= V4L2_TUNER_SUB_STEREO; + tuner -> rxsubchans = V4L2_TUNER_SUB_STEREO | V4L2_TUNER_SUB_MONO; } else { - tuner -> rxsubchans &= 0xffff ^ V4L2_TUNER_SUB_STEREO; + tuner -> rxsubchans = V4L2_TUNER_SUB_MONO; } } + tuner->capability |= V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_STEREO; + tuner->audmode = t->audmode; + + tuner->rangelow = radio_range[0] * 16000; + tuner->rangehigh = radio_range[1] * 16000; + } else { + tuner->rangelow = tv_range[0] * 16; + tuner->rangehigh = tv_range[1] * 16; } - /* Wow to deal with V4L2_TUNER_CAP_LOW ? For now, it accepts from low at 62.5KHz step to high at 62.5 Hz */ - tuner->rangelow = tv_range[0] * 16; -// tuner->rangehigh = tv_range[1] * 16; -// tuner->rangelow = tv_range[0] * 16384; - tuner->rangehigh = tv_range[1] * 16384; break; } + case VIDIOC_S_TUNER: /* Allow changing radio range and audio mode */ + { + struct v4l2_tuner *tuner = arg; + + CHECK_ADDR(radio_tuner,"VIDIOC_S_TUNER","radio"); + SWITCH_V4L2; + + /* To switch the audio mode, applications initialize the + index and audmode fields and the reserved array and + call the VIDIOC_S_TUNER ioctl. */ + /* rxsubchannels: V4L2_TUNER_MODE_MONO, V4L2_TUNER_MODE_STEREO, + V4L2_TUNER_MODE_LANG1, V4L2_TUNER_MODE_LANG2, + V4L2_TUNER_MODE_SAP */ + + if (tuner->audmode == V4L2_TUNER_MODE_MONO) + t->audmode = V4L2_TUNER_MODE_MONO; + else + t->audmode = V4L2_TUNER_MODE_STEREO; + + set_radio_freq(client, t->freq); + break; + } + case TDA9887_SET_CONFIG: /* Nothing to do on tuner-core */ + break; default: tuner_dbg ("Unimplemented IOCTL 0x%08x called to tuner.\n", cmd); /* nothing */ |