diff options
| -rw-r--r-- | drivers/media/video/tuner-core.c | 438 |
1 files changed, 223 insertions, 215 deletions
diff --git a/drivers/media/video/tuner-core.c b/drivers/media/video/tuner-core.c index 4f2bd2dd15c..48b2d46048a 100644 --- a/drivers/media/video/tuner-core.c +++ b/drivers/media/video/tuner-core.c @@ -585,221 +585,6 @@ static void tuner_status(struct dvb_frontend *fe) /* ---------------------------------------------------------------------- */ -LIST_HEAD(tuner_list); - -/* Search for existing radio and/or TV tuners on the given I2C adapter. - Note that when this function is called from tuner_attach you can be - certain no other devices will be added/deleted at the same time, I2C - core protects against that. */ -static void tuner_lookup(struct i2c_adapter *adap, - struct tuner **radio, struct tuner **tv) -{ - struct tuner *pos; - - *radio = NULL; - *tv = NULL; - - list_for_each_entry(pos, &tuner_list, list) { - int mode_mask; - - if (pos->i2c->adapter != adap || - pos->i2c->driver->id != I2C_DRIVERID_TUNER) - continue; - - mode_mask = pos->mode_mask & ~T_STANDBY; - if (*radio == NULL && mode_mask == T_RADIO) - *radio = pos; - /* Note: currently TDA9887 is the only demod-only - device. If other devices appear then we need to - make this test more general. */ - else if (*tv == NULL && pos->type != TUNER_TDA9887 && - (pos->mode_mask & (T_ANALOG_TV | T_DIGITAL_TV))) - *tv = pos; - } -} - -/* During client attach, set_type is called by adapter's attach_inform callback. - set_type must then be completed by tuner_attach. - */ -static int tuner_attach(struct i2c_adapter *adap, int addr, int kind) -{ - struct i2c_client *client; - struct tuner *t; - struct tuner *radio; - struct tuner *tv; - - client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL); - if (NULL == client) - return -ENOMEM; - - t = kzalloc(sizeof(struct tuner), GFP_KERNEL); - if (NULL == t) { - kfree(client); - return -ENOMEM; - } - t->i2c = client; - client_template.adapter = adap; - client_template.addr = addr; - memcpy(client, &client_template, sizeof(struct i2c_client)); - i2c_set_clientdata(client, t); - t->type = UNSET; - t->audmode = V4L2_TUNER_MODE_STEREO; - t->mode_mask = T_UNINITIALIZED; - - if (show_i2c) { - unsigned char buffer[16]; - int i,rc; - - memset(buffer, 0, sizeof(buffer)); - rc = i2c_master_recv(client, buffer, sizeof(buffer)); - tuner_info("I2C RECV = "); - for (i=0;i<rc;i++) - printk("%02x ",buffer[i]); - printk("\n"); - } - /* HACK: This test were added to avoid tuner to probe tda9840 and tea6415c on the MXB card */ - if (adap->id == I2C_HW_SAA7146 && addr < 0x4a) - return -ENODEV; - - /* autodetection code based on the i2c addr */ - if (!no_autodetect) { - switch (addr) { - case 0x10: - if (tea5761_autodetection(t->i2c->adapter, t->i2c->addr) != EINVAL) { - t->type = TUNER_TEA5761; - t->mode_mask = T_RADIO; - t->mode = T_STANDBY; - t->radio_freq = 87.5 * 16000; /* Sets freq to FM range */ - tuner_lookup(t->i2c->adapter, &radio, &tv); - if (tv) - tv->mode_mask &= ~T_RADIO; - - goto register_client; - } - break; - case 0x42: - case 0x43: - case 0x4a: - case 0x4b: - /* If chip is not tda8290, don't register. - since it can be tda9887*/ - if (tda829x_probe(t) == 0) { - tuner_dbg("tda829x detected\n"); - } else { - /* Default is being tda9887 */ - t->type = TUNER_TDA9887; - t->mode_mask = T_RADIO | T_ANALOG_TV | T_DIGITAL_TV; - t->mode = T_STANDBY; - goto register_client; - } - break; - case 0x60: - if (tea5767_autodetection(t->i2c->adapter, t->i2c->addr) != EINVAL) { - t->type = TUNER_TEA5767; - t->mode_mask = T_RADIO; - t->mode = T_STANDBY; - t->radio_freq = 87.5 * 16000; /* Sets freq to FM range */ - tuner_lookup(t->i2c->adapter, &radio, &tv); - if (tv) - tv->mode_mask &= ~T_RADIO; - - goto register_client; - } - break; - } - } - - /* Initializes only the first TV tuner on this adapter. Why only the - first? Because there are some devices (notably the ones with TI - tuners) that have more than one i2c address for the *same* device. - Experience shows that, except for just one case, the first - address is the right one. The exception is a Russian tuner - (ACORP_Y878F). So, the desired behavior is just to enable the - first found TV tuner. */ - tuner_lookup(t->i2c->adapter, &radio, &tv); - if (tv == NULL) { - t->mode_mask = T_ANALOG_TV | T_DIGITAL_TV; - if (radio == NULL) - t->mode_mask |= T_RADIO; - tuner_dbg("Setting mode_mask to 0x%02x\n", t->mode_mask); - t->tv_freq = 400 * 16; /* Sets freq to VHF High */ - t->radio_freq = 87.5 * 16000; /* Sets freq to FM range */ - } - - /* Should be just before return */ -register_client: - tuner_info("chip found @ 0x%x (%s)\n", addr << 1, adap->name); - - /* Sets a default mode */ - if (t->mode_mask & T_ANALOG_TV) { - t->mode = T_ANALOG_TV; - } else if (t->mode_mask & T_RADIO) { - t->mode = T_RADIO; - } else { - t->mode = T_DIGITAL_TV; - } - - i2c_attach_client (client); - set_type (client,t->type, t->mode_mask, t->config, t->tuner_callback); - return 0; -} - -static int tuner_probe(struct i2c_adapter *adap) -{ - if (0 != addr) { - normal_i2c[0] = addr; - normal_i2c[1] = I2C_CLIENT_END; - } - - /* HACK: Ignore 0x6b and 0x6f on cx88 boards. - * FusionHDTV5 RT Gold has an ir receiver at 0x6b - * and an RTC at 0x6f which can get corrupted if probed. - */ - if ((adap->id == I2C_HW_B_CX2388x) || - (adap->id == I2C_HW_B_CX23885)) { - unsigned int i = 0; - - while (i < I2C_CLIENT_MAX_OPTS && ignore[i] != I2C_CLIENT_END) - i += 2; - if (i + 4 < I2C_CLIENT_MAX_OPTS) { - ignore[i+0] = adap->nr; - ignore[i+1] = 0x6b; - ignore[i+2] = adap->nr; - ignore[i+3] = 0x6f; - ignore[i+4] = I2C_CLIENT_END; - } else - printk(KERN_WARNING "tuner: " - "too many options specified " - "in i2c probe ignore list!\n"); - } - - 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); - struct analog_tuner_ops *ops = t->fe.ops.analog_demod_ops; - int err; - - err = i2c_detach_client(t->i2c); - if (err) { - tuner_warn - ("Client deregistration failed, client not detached.\n"); - return err; - } - - if (ops && ops->release) - ops->release(&t->fe); - - list_del(&t->list); - kfree(t); - kfree(client); - return 0; -} - /* * Switch tuner to other mode. If tuner support both tv and radio, * set another frequency to some value (This is needed for some pal @@ -1156,6 +941,229 @@ static int tuner_resume(struct i2c_client *c) return 0; } +/* ---------------------------------------------------------------------- */ + +LIST_HEAD(tuner_list); + +/* Search for existing radio and/or TV tuners on the given I2C adapter. + Note that when this function is called from tuner_attach you can be + certain no other devices will be added/deleted at the same time, I2C + core protects against that. */ +static void tuner_lookup(struct i2c_adapter *adap, + struct tuner **radio, struct tuner **tv) +{ + struct tuner *pos; + + *radio = NULL; + *tv = NULL; + + list_for_each_entry(pos, &tuner_list, list) { + int mode_mask; + + if (pos->i2c->adapter != adap || + pos->i2c->driver->id != I2C_DRIVERID_TUNER) + continue; + + mode_mask = pos->mode_mask & ~T_STANDBY; + if (*radio == NULL && mode_mask == T_RADIO) + *radio = pos; + /* Note: currently TDA9887 is the only demod-only + device. If other devices appear then we need to + make this test more general. */ + else if (*tv == NULL && pos->type != TUNER_TDA9887 && + (pos->mode_mask & (T_ANALOG_TV | T_DIGITAL_TV))) + *tv = pos; + } +} + +/* During client attach, set_type is called by adapter's attach_inform callback. + set_type must then be completed by tuner_attach. + */ +static int tuner_attach(struct i2c_adapter *adap, int addr, int kind) +{ + struct i2c_client *client; + struct tuner *t; + struct tuner *radio; + struct tuner *tv; + + client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL); + if (NULL == client) + return -ENOMEM; + + t = kzalloc(sizeof(struct tuner), GFP_KERNEL); + if (NULL == t) { + kfree(client); + return -ENOMEM; + } + t->i2c = client; + client_template.adapter = adap; + client_template.addr = addr; + memcpy(client, &client_template, sizeof(struct i2c_client)); + i2c_set_clientdata(client, t); + t->type = UNSET; + t->audmode = V4L2_TUNER_MODE_STEREO; + t->mode_mask = T_UNINITIALIZED; + + if (show_i2c) { + unsigned char buffer[16]; + int i, rc; + + memset(buffer, 0, sizeof(buffer)); + rc = i2c_master_recv(client, buffer, sizeof(buffer)); + tuner_info("I2C RECV = "); + for (i = 0; i < rc; i++) + printk(KERN_CONT "%02x ", buffer[i]); + printk("\n"); + } + /* HACK: This test were added to avoid tuner to probe tda9840 and + tea6415c on the MXB card */ + if (adap->id == I2C_HW_SAA7146 && addr < 0x4a) + return -ENODEV; + + /* autodetection code based on the i2c addr */ + if (!no_autodetect) { + switch (addr) { + case 0x10: + if (tea5761_autodetection(t->i2c->adapter, t->i2c->addr) + != EINVAL) { + t->type = TUNER_TEA5761; + t->mode_mask = T_RADIO; + t->mode = T_STANDBY; + /* Sets freq to FM range */ + t->radio_freq = 87.5 * 16000; + tuner_lookup(t->i2c->adapter, &radio, &tv); + if (tv) + tv->mode_mask &= ~T_RADIO; + + goto register_client; + } + break; + case 0x42: + case 0x43: + case 0x4a: + case 0x4b: + /* If chip is not tda8290, don't register. + since it can be tda9887*/ + if (tda829x_probe(t) == 0) { + tuner_dbg("tda829x detected\n"); + } else { + /* Default is being tda9887 */ + t->type = TUNER_TDA9887; + t->mode_mask = T_RADIO | T_ANALOG_TV | + T_DIGITAL_TV; + t->mode = T_STANDBY; + goto register_client; + } + break; + case 0x60: + if (tea5767_autodetection(t->i2c->adapter, t->i2c->addr) + != EINVAL) { + t->type = TUNER_TEA5767; + t->mode_mask = T_RADIO; + t->mode = T_STANDBY; + /* Sets freq to FM range */ + t->radio_freq = 87.5 * 16000; + tuner_lookup(t->i2c->adapter, &radio, &tv); + if (tv) + tv->mode_mask &= ~T_RADIO; + + goto register_client; + } + break; + } + } + + /* Initializes only the first TV tuner on this adapter. Why only the + first? Because there are some devices (notably the ones with TI + tuners) that have more than one i2c address for the *same* device. + Experience shows that, except for just one case, the first + address is the right one. The exception is a Russian tuner + (ACORP_Y878F). So, the desired behavior is just to enable the + first found TV tuner. */ + tuner_lookup(t->i2c->adapter, &radio, &tv); + if (tv == NULL) { + t->mode_mask = T_ANALOG_TV | T_DIGITAL_TV; + if (radio == NULL) + t->mode_mask |= T_RADIO; + tuner_dbg("Setting mode_mask to 0x%02x\n", t->mode_mask); + t->tv_freq = 400 * 16; /* Sets freq to VHF High */ + t->radio_freq = 87.5 * 16000; /* Sets freq to FM range */ + } + + /* Should be just before return */ +register_client: + tuner_info("chip found @ 0x%x (%s)\n", addr << 1, adap->name); + + /* Sets a default mode */ + if (t->mode_mask & T_ANALOG_TV) { + t->mode = T_ANALOG_TV; + } else if (t->mode_mask & T_RADIO) { + t->mode = T_RADIO; + } else { + t->mode = T_DIGITAL_TV; + } + + i2c_attach_client(client); + set_type(client, t->type, t->mode_mask, t->config, t->tuner_callback); + return 0; +} + +static int tuner_probe(struct i2c_adapter *adap) +{ + if (0 != addr) { + normal_i2c[0] = addr; + normal_i2c[1] = I2C_CLIENT_END; + } + + /* HACK: Ignore 0x6b and 0x6f on cx88 boards. + * FusionHDTV5 RT Gold has an ir receiver at 0x6b + * and an RTC at 0x6f which can get corrupted if probed. + */ + if ((adap->id == I2C_HW_B_CX2388x) || + (adap->id == I2C_HW_B_CX23885)) { + unsigned int i = 0; + + while (i < I2C_CLIENT_MAX_OPTS && ignore[i] != I2C_CLIENT_END) + i += 2; + if (i + 4 < I2C_CLIENT_MAX_OPTS) { + ignore[i+0] = adap->nr; + ignore[i+1] = 0x6b; + ignore[i+2] = adap->nr; + ignore[i+3] = 0x6f; + ignore[i+4] = I2C_CLIENT_END; + } else + printk(KERN_WARNING "tuner: " + "too many options specified " + "in i2c probe ignore list!\n"); + } + + 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); + struct analog_tuner_ops *ops = t->fe.ops.analog_demod_ops; + int err; + + err = i2c_detach_client(t->i2c); + if (err) { + tuner_warn + ("Client deregistration failed, client not detached.\n"); + return err; + } + + if (ops && ops->release) + ops->release(&t->fe); + + list_del(&t->list); + kfree(t); + kfree(client); + return 0; +} + /* ----------------------------------------------------------------------- */ static struct i2c_driver driver = { |