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path: root/drivers/media/video/tuner-core.c
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Diffstat (limited to 'drivers/media/video/tuner-core.c')
-rw-r--r--drivers/media/video/tuner-core.c163
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 */