/*
- * $Id: tuner-core.c,v 1.5 2005/02/15 15:59:35 kraxel Exp $
+ * $Id: tuner-core.c,v 1.15 2005/06/12 01:36:14 mchehab Exp $
*
* i2c tv tuner chip device driver
* core core, i.e. kernel interfaces, registering and so on
#include <media/tuner.h>
#include <media/audiochip.h>
+/*
+ * comment line bellow to return to old behavor, where only one I2C device is supported
+ */
+#define CONFIG_TUNER_MULTI_I2C /**/
+
#define UNSET (-1U)
/* standard i2c insmod options */
static unsigned short normal_i2c[] = {
0x4b, /* tda8290 */
- I2C_CLIENT_END
-};
-static unsigned short normal_i2c_range[] = {
- 0x60, 0x6f,
+ 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
+ 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
I2C_CLIENT_END
};
I2C_CLIENT_INSMOD;
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;
/* ---------------------------------------------------------------------- */
-// Set tuner frequency, freq in Units of 62.5kHz = 1/16MHz
+/* Set tuner frequency, freq in Units of 62.5kHz = 1/16MHz */
static void set_tv_freq(struct i2c_client *c, unsigned int freq)
{
struct tuner *t = i2c_get_clientdata(c);
return;
}
if (freq < tv_range[0]*16 || freq > tv_range[1]*16) {
- /* 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;
+
+ 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);
}
return;
}
if (freq < radio_range[0]*16 || freq > radio_range[1]*16) {
- tuner_info("radio freq (%d.%02d) out of range (%d-%d)\n",
+ 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;
+ radio_range[0],radio_range[1]);
+ return;
+ }
}
+ tuner_dbg("62.5 Khz freq step selected for Radio.\n");
t->radio_freq(c,freq);
}
{
struct tuner *t = i2c_get_clientdata(c);
+ tuner_dbg ("I2C addr 0x%02x with type %d\n",c->addr<<1,type);
/* sanity check */
- if (type == UNSET || type == TUNER_ABSENT)
+ if (type == UNSET || type == TUNER_ABSENT)
return;
if (type >= tuner_count)
return;
return;
t->initialized = 1;
+
t->type = type;
switch (t->type) {
case TUNER_MT2032:
}
}
+#ifdef CONFIG_TUNER_MULTI_I2C
+#define CHECK_ADDR(tp,cmd,tun) if (client->addr!=tp) { \
+ return 0; } else \
+ 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)
+{
+ /* ADDR_UNSET defaults to first available tuner */
+ if ( tun_addr->addr == ADDR_UNSET ) {
+ if (first_tuner != c->addr)
+ return;
+ switch (tun_addr->v4l2_tuner) {
+ case V4L2_TUNER_RADIO:
+ radio_tuner=c->addr;
+ break;
+ default:
+ tv_tuner=c->addr;
+ break;
+ }
+ } else {
+ /* Sets tuner to its configured value */
+ switch (tun_addr->v4l2_tuner) {
+ case V4L2_TUNER_RADIO:
+ radio_tuner=tun_addr->addr;
+ if ( tun_addr->addr == c->addr ) set_type(c,tun_addr->type);
+ return;
+ default:
+ tv_tuner=tun_addr->addr;
+ if ( tun_addr->addr == c->addr ) set_type(c,tun_addr->type);
+ return;
+ }
+ }
+ 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);
{
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;
memcpy(&t->i2c,&client_template,sizeof(struct i2c_client));
i2c_set_clientdata(&t->i2c, t);
t->type = UNSET;
- t->radio_if2 = 10700*1000; // 10.7MHz - FM radio
+ t->radio_if2 = 10700*1000; /* 10.7MHz - FM radio */
i2c_attach_client(&t->i2c);
tuner_info("chip found @ 0x%x (%s)\n",
addr << 1, adap->name);
+
set_type(&t->i2c, t->type);
return 0;
}
static int tuner_probe(struct i2c_adapter *adap)
{
if (0 != addr) {
- normal_i2c[0] = addr;
- normal_i2c_range[0] = addr;
- normal_i2c_range[1] = addr;
+ normal_i2c[0] = addr;
+ normal_i2c[1] = I2C_CLIENT_END;
}
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);
return 0;
static int tuner_detach(struct i2c_client *client)
{
struct tuner *t = i2c_get_clientdata(client);
+ int err;
+
+ err=i2c_detach_client(&t->i2c);
+ if (err) {
+ tuner_warn ("Client deregistration failed, client not detached.\n");
+ return err;
+ }
- i2c_detach_client(&t->i2c);
kfree(t);
return 0;
}
unsigned int *iarg = (int*)arg;
switch (cmd) {
-
/* --- configuration --- */
case TUNER_SET_TYPE:
set_type(client,*iarg);
break;
+ case TUNER_SET_TYPE_ADDR:
+ set_addr(client,(struct tuner_addr *)arg);
+ break;
case AUDC_SET_RADIO:
+ t->mode = V4L2_TUNER_RADIO;
+ CHECK_ADDR(tv_tuner,"AUDC_SET_RADIO","TV");
+
if (V4L2_TUNER_RADIO != t->mode) {
set_tv_freq(client,400 * 16);
- t->mode = V4L2_TUNER_RADIO;
}
break;
case AUDC_CONFIG_PINNACLE:
+ CHECK_ADDR(tv_tuner,"AUDC_CONFIG_PINNACLE","TV");
switch (*iarg) {
case 2:
tuner_dbg("pinnacle pal\n");
CHECK_V4L2;
t->mode = V4L2_TUNER_ANALOG_TV;
+ CHECK_ADDR(tv_tuner,"VIDIOCSCHAN","TV");
+
if (vc->norm < ARRAY_SIZE(map))
t->std = map[vc->norm];
tuner_fixup_std(t);
{
unsigned long *v = arg;
+ CHECK_MODE("VIDIOCSFREQ");
CHECK_V4L2;
set_freq(client,*v);
return 0;
{
struct video_tuner *vt = arg;
+ CHECK_ADDR(radio_tuner,"VIDIOCGTUNER","radio");
CHECK_V4L2;
- if (V4L2_TUNER_RADIO == t->mode && t->has_signal)
- vt->signal = t->has_signal(client);
+ if (V4L2_TUNER_RADIO == t->mode) {
+ if (t->has_signal)
+ vt->signal = t->has_signal(client);
+ if (t->is_stereo) {
+ if (t->is_stereo(client))
+ vt-> flags |= VIDEO_TUNER_STEREO_ON;
+ else
+ vt-> flags &= 0xffff ^ VIDEO_TUNER_STEREO_ON;
+ }
+ vt->flags |= V4L2_TUNER_CAP_LOW; /* Allow freqs at 62.5 Hz */
+ }
+
return 0;
}
case VIDIOCGAUDIO:
{
struct video_audio *va = arg;
+ CHECK_ADDR(radio_tuner,"VIDIOCGAUDIO","radio");
CHECK_V4L2;
if (V4L2_TUNER_RADIO == t->mode && t->is_stereo)
va->mode = t->is_stereo(client)
SWITCH_V4L2;
t->mode = V4L2_TUNER_ANALOG_TV;
+ CHECK_ADDR(tv_tuner,"VIDIOC_S_STD","TV");
+
t->std = *id;
tuner_fixup_std(t);
if (t->freq)
{
struct v4l2_frequency *f = arg;
+ CHECK_MODE("VIDIOC_S_FREQUENCY");
SWITCH_V4L2;
if (V4L2_TUNER_RADIO == f->type &&
V4L2_TUNER_RADIO != t->mode)
set_tv_freq(client,400*16);
t->mode = f->type;
- t->freq = f->frequency;
- set_freq(client,t->freq);
+ set_freq(client,f->frequency);
+ break;
+ }
+ case VIDIOC_G_FREQUENCY:
+ {
+ struct v4l2_frequency *f = arg;
+
+ CHECK_MODE("VIDIOC_G_FREQUENCY");
+ SWITCH_V4L2;
+ f->type = t->mode;
+ f->frequency = t->freq;
break;
}
case VIDIOC_G_TUNER:
{
struct v4l2_tuner *tuner = arg;
+ CHECK_MODE("VIDIOC_G_TUNER");
SWITCH_V4L2;
- if (V4L2_TUNER_RADIO == t->mode && t->has_signal)
- tuner->signal = t->has_signal(client);
+ if (V4L2_TUNER_RADIO == t->mode) {
+ if (t->has_signal)
+ 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;
+ } else {
+ tuner -> rxsubchans &= 0xffff ^ V4L2_TUNER_SUB_STEREO;
+ }
+ }
+ }
+ /* 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;
}
default:
+ tuner_dbg ("Unimplemented IOCTL 0x%08x called to tuner.\n", cmd);
/* nothing */
break;
}
return 0;
}
-static int tuner_suspend(struct device * dev, pm_message_t state, u32 level)
+static int tuner_suspend(struct device * dev, u32 state, u32 level)
{
struct i2c_client *c = container_of(dev, struct i2c_client, dev);
struct tuner *t = i2c_get_clientdata(c);
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