diff options
| -rw-r--r-- | linux/drivers/media/video/tea5767.c | 83 | ||||
| -rw-r--r-- | linux/drivers/media/video/tea5767.h | 18 |
2 files changed, 76 insertions, 25 deletions
diff --git a/linux/drivers/media/video/tea5767.c b/linux/drivers/media/video/tea5767.c index 3726f1e11..e45e4ed55 100644 --- a/linux/drivers/media/video/tea5767.c +++ b/linux/drivers/media/video/tea5767.c @@ -26,10 +26,12 @@ MODULE_PARM_DESC(debug, "enable verbose debug messages"); #define PREFIX "tea5767 " -struct tea5767_priv { - struct tuner_i2c_props i2c_props; +/*****************************************************************************/ - u32 frequency; +struct tea5767_priv { + struct tuner_i2c_props i2c_props; + u32 frequency; + struct tea5767_ctrl ctrl; }; /*****************************************************************************/ @@ -131,17 +133,10 @@ struct tea5767_priv { /* Reserved for future extensions */ #define TEA5767_RESERVED_MASK 0xff -enum tea5767_xtal_freq { - TEA5767_LOW_LO_32768 = 0, - TEA5767_HIGH_LO_32768 = 1, - TEA5767_LOW_LO_13MHz = 2, - TEA5767_HIGH_LO_13MHz = 3, -}; - - /*****************************************************************************/ -static void tea5767_status_dump(unsigned char *buffer) +static void tea5767_status_dump(struct tea5767_priv *priv, + unsigned char *buffer) { unsigned int div, frq; @@ -157,7 +152,7 @@ static void tea5767_status_dump(unsigned char *buffer) div = ((buffer[0] & 0x3f) << 8) | buffer[1]; - switch (TEA5767_HIGH_LO_32768) { + switch (priv->ctrl.xtal_freq) { case TEA5767_HIGH_LO_13MHz: frq = (div * 50000 - 700000 - 225000) / 4; /* Freq in KHz */ break; @@ -206,13 +201,10 @@ static int set_radio_freq(struct dvb_frontend *fe, tuner_dbg("radio freq = %d.%03d MHz\n", frq/16000,(frq/16)%1000); - /* Rounds freq to next decimal value - for 62.5 KHz step */ - /* frq = 20*(frq/16)+radio_frq[frq%16]; */ + buffer[2] = 0; - buffer[2] = TEA5767_PORT1_HIGH; - buffer[3] = TEA5767_PORT2_HIGH | TEA5767_HIGH_CUT_CTRL | - TEA5767_ST_NOISE_CTL | TEA5767_JAPAN_BAND; - buffer[4] = 0; + if (priv->ctrl.port1) + buffer[2] |= TEA5767_PORT1_HIGH; if (params->audmode == V4L2_TUNER_MODE_MONO) { tuner_dbg("TEA5767 set to mono\n"); @@ -221,8 +213,33 @@ static int set_radio_freq(struct dvb_frontend *fe, tuner_dbg("TEA5767 set to stereo\n"); } - /* Should be replaced */ - switch (TEA5767_HIGH_LO_32768) { + + buffer[3] = 0; + + if (priv->ctrl.port2) + buffer[3] |= TEA5767_PORT2_HIGH; + + if (priv->ctrl.high_cut) + buffer[3] |= TEA5767_HIGH_CUT_CTRL; + + if (priv->ctrl.st_noise) + buffer[3] |= TEA5767_ST_NOISE_CTL; + + if (priv->ctrl.soft_mute) + buffer[3] |= TEA5767_SOFT_MUTE; + + if (priv->ctrl.japan_band) + buffer[3] |= TEA5767_JAPAN_BAND; + + buffer[4] = 0; + + if (priv->ctrl.deemph_75) + buffer[4] |= TEA5767_DEEMPH_75; + + /* Rounds freq to next decimal value - for 62.5 KHz step */ + /* frq = 20*(frq/16)+radio_frq[frq%16]; */ + + switch (priv->ctrl.xtal_freq) { case TEA5767_HIGH_LO_13MHz: tuner_dbg("radio HIGH LO inject xtal @ 13 MHz\n"); buffer[2] |= TEA5767_HIGH_LO_INJECT; @@ -260,7 +277,7 @@ static int set_radio_freq(struct dvb_frontend *fe, if (5 != (rc = tuner_i2c_xfer_recv(&priv->i2c_props, buffer, 5))) tuner_warn("i2c i/o error: rc == %d (should be 5)\n", rc); else - tea5767_status_dump(buffer); + tea5767_status_dump(priv, buffer); } priv->frequency = frq * 125 / 2; @@ -433,6 +450,16 @@ static int tea5767_get_frequency(struct dvb_frontend *fe, u32 *frequency) { struct tea5767_priv *priv = fe->tuner_priv; *frequency = priv->frequency; + + return 0; +} + +static int tea5767_set_config (struct dvb_frontend *fe, void *priv_cfg) +{ + struct tea5767_priv *priv = fe->tuner_priv; + + memcpy(&priv->ctrl, priv_cfg, sizeof(priv->ctrl)); + return 0; } @@ -447,6 +474,7 @@ static struct dvb_tuner_ops tea5767_tuner_ops = { }, .set_analog_params = set_radio_freq, + .set_config = tea5767_set_config, .sleep = tea5767_standby, .release = tea5767_release, .get_frequency = tea5767_get_frequency, @@ -469,8 +497,14 @@ struct dvb_frontend *tea5767_attach(struct dvb_frontend *fe, return NULL; fe->tuner_priv = priv; - priv->i2c_props.addr = i2c_addr; - priv->i2c_props.adap = i2c_adap; + priv->i2c_props.addr = i2c_addr; + priv->i2c_props.adap = i2c_adap; + priv->ctrl.xtal_freq = TEA5767_HIGH_LO_32768; + priv->ctrl.port1 = 1; + priv->ctrl.port2 = 1; + priv->ctrl.high_cut = 1; + priv->ctrl.st_noise = 1; + priv->ctrl.japan_band = 1; memcpy(&fe->ops.tuner_ops, &tea5767_tuner_ops, sizeof(struct dvb_tuner_ops)); @@ -480,7 +514,6 @@ struct dvb_frontend *tea5767_attach(struct dvb_frontend *fe, return fe; } - EXPORT_SYMBOL_GPL(tea5767_attach); EXPORT_SYMBOL_GPL(tea5767_autodetection); diff --git a/linux/drivers/media/video/tea5767.h b/linux/drivers/media/video/tea5767.h index 5d78281ad..2447a5dc0 100644 --- a/linux/drivers/media/video/tea5767.h +++ b/linux/drivers/media/video/tea5767.h @@ -20,6 +20,24 @@ #include <linux/i2c.h> #include "dvb_frontend.h" +enum tea5767_xtal { + TEA5767_LOW_LO_32768 = 0, + TEA5767_HIGH_LO_32768 = 1, + TEA5767_LOW_LO_13MHz = 2, + TEA5767_HIGH_LO_13MHz = 3, +}; + +struct tea5767_ctrl { + unsigned int port1:1; + unsigned int port2:1; + unsigned int high_cut:1; + unsigned int st_noise:1; + unsigned int soft_mute:1; + unsigned int japan_band:1; + unsigned int deemph_75:1; + enum tea5767_xtal xtal_freq; +}; + #if defined(CONFIG_TUNER_TEA5767) || (defined(CONFIG_TUNER_TEA5767_MODULE) && defined(MODULE)) extern int tea5767_autodetection(struct i2c_adapter* i2c_adap, u8 i2c_addr); |