diff options
author | Hartmut Hackmann <hartmut.hackmann@t-online.de> | 2008-04-22 17:46:08 (GMT) |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-04-24 17:07:52 (GMT) |
commit | 7bff4b4d3ad2b9ff42b4087f409076035af1d165 (patch) | |
tree | cfa75f91fbd30b8b36f70d7056639ee031d2a7ed /drivers/media/dvb | |
parent | 5823b3a63c7661272ea7fef7635955e2a50d17eb (diff) | |
download | linux-fsl-qoriq-7bff4b4d3ad2b9ff42b4087f409076035af1d165.tar.xz |
V4L/DVB (7393): tda827x: fixed support of tuners with LNA
Tuner refactoring broke support of tuners with LNA configurations 1 and 2
for both, analog TV and DVB-T.
Additionally, this patch initializes the saa713x gpios defined by the gpiomask
at driver init to avoid undefined stated at dvb.
Signed-off-by: Hartmut Hackmann <hartmut.hackmann@t-online.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/dvb')
-rw-r--r-- | drivers/media/dvb/frontends/tda1004x.h | 1 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/tda827x.c | 163 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/tda827x.h | 4 |
3 files changed, 86 insertions, 82 deletions
diff --git a/drivers/media/dvb/frontends/tda1004x.h b/drivers/media/dvb/frontends/tda1004x.h index abae843..ebb2c5f 100644 --- a/drivers/media/dvb/frontends/tda1004x.h +++ b/drivers/media/dvb/frontends/tda1004x.h @@ -94,7 +94,6 @@ struct tda1004x_config /* slave address and configuration of the tuner */ u8 tuner_address; - u8 tuner_config; u8 antenna_switch; /* if the board uses another I2c Bridge (tda8290), its address */ diff --git a/drivers/media/dvb/frontends/tda827x.c b/drivers/media/dvb/frontends/tda827x.c index 967ac8b..d30d2c9 100644 --- a/drivers/media/dvb/frontends/tda827x.c +++ b/drivers/media/dvb/frontends/tda827x.c @@ -142,7 +142,7 @@ static int tda827xo_set_params(struct dvb_frontend *fe, int i, tuner_freq, if_freq; u32 N; - dprintk("%s:\n", __FUNCTION__); + dprintk("%s:\n", __func__); switch (params->u.ofdm.bandwidth) { case BANDWIDTH_6_MHZ: if_freq = 4000000; @@ -186,7 +186,7 @@ static int tda827xo_set_params(struct dvb_frontend *fe, fe->ops.i2c_gate_ctrl(fe, 1); if (i2c_transfer(priv->i2c_adap, &msg, 1) != 1) { printk("%s: could not write to tuner at addr: 0x%02x\n", - __FUNCTION__, priv->i2c_addr << 1); + __func__, priv->i2c_addr << 1); return -EIO; } msleep(500); @@ -212,7 +212,7 @@ static int tda827xo_sleep(struct dvb_frontend *fe) struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = 0, .buf = buf, .len = sizeof(buf) }; - dprintk("%s:\n", __FUNCTION__); + dprintk("%s:\n", __func__); if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 1); i2c_transfer(priv->i2c_adap, &msg, 1); @@ -389,6 +389,79 @@ static struct tda827xa_data tda827xa_analog[] = { { .lomax = 0, .svco = 0, .spd = 0, .scr = 0, .sbs = 0, .gc3 = 0} }; +static int tda827xa_sleep(struct dvb_frontend *fe) +{ + struct tda827x_priv *priv = fe->tuner_priv; + static u8 buf[] = { 0x30, 0x90 }; + struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = 0, + .buf = buf, .len = sizeof(buf) }; + + dprintk("%s:\n", __func__); + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 1); + + i2c_transfer(priv->i2c_adap, &msg, 1); + + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 0); + + if (priv->cfg && priv->cfg->sleep) + priv->cfg->sleep(fe); + + return 0; +} + +static void tda827xa_lna_gain(struct dvb_frontend *fe, int high, + struct analog_parameters *params) +{ + struct tda827x_priv *priv = fe->tuner_priv; + unsigned char buf[] = {0x22, 0x01}; + int arg; + int gp_func; + struct i2c_msg msg = { .addr = priv->cfg->switch_addr, .flags = 0, + .buf = buf, .len = sizeof(buf) }; + + if (NULL == priv->cfg) { + dprintk("tda827x_config not defined, cannot set LNA gain!\n"); + return; + } + if (priv->cfg->config) { + if (high) + dprintk("setting LNA to high gain\n"); + else + dprintk("setting LNA to low gain\n"); + } + switch (priv->cfg->config) { + case 0: /* no LNA */ + break; + case 1: /* switch is GPIO 0 of tda8290 */ + case 2: + if (params == NULL) { + gp_func = 0; + arg = 0; + } else { + /* turn Vsync on */ + gp_func = 1; + if (params->std & V4L2_STD_MN) + arg = 1; + else + arg = 0; + } + if (priv->cfg->tuner_callback) + priv->cfg->tuner_callback(priv->i2c_adap->algo_data, + gp_func, arg); + buf[1] = high ? 0 : 1; + if (priv->cfg->config == 2) + buf[1] = high ? 1 : 0; + i2c_transfer(priv->i2c_adap, &msg, 1); + break; + case 3: /* switch with GPIO of saa713x */ + if (priv->cfg->tuner_callback) + priv->cfg->tuner_callback(priv->i2c_adap->algo_data, 0, high); + break; + } +} + static int tda827xa_set_params(struct dvb_frontend *fe, struct dvb_frontend_parameters *params) { @@ -401,9 +474,9 @@ static int tda827xa_set_params(struct dvb_frontend *fe, int i, tuner_freq, if_freq; u32 N; - dprintk("%s:\n", __FUNCTION__); - if (priv->cfg && priv->cfg->lna_gain) - priv->cfg->lna_gain(fe, 1); + dprintk("%s:\n", __func__); + + tda827xa_lna_gain(fe, 1, NULL); msleep(20); switch (params->u.ofdm.bandwidth) { @@ -444,7 +517,7 @@ static int tda827xa_set_params(struct dvb_frontend *fe, fe->ops.i2c_gate_ctrl(fe, 1); if (i2c_transfer(priv->i2c_adap, &msg, 1) != 1) { printk("%s: could not write to tuner at addr: 0x%02x\n", - __FUNCTION__, priv->i2c_addr << 1); + __func__, priv->i2c_addr << 1); return -EIO; } buf[0] = 0x90; @@ -474,8 +547,7 @@ static int tda827xa_set_params(struct dvb_frontend *fe, buf[1] >>= 4; dprintk("tda8275a AGC2 gain is: %d\n", buf[1]); if ((buf[1]) < 2) { - if (priv->cfg && priv->cfg->lna_gain) - priv->cfg->lna_gain(fe, 0); + tda827xa_lna_gain(fe, 0, NULL); buf[0] = 0x60; buf[1] = 0x0c; if (fe->ops.i2c_gate_ctrl) @@ -523,73 +595,6 @@ static int tda827xa_set_params(struct dvb_frontend *fe, return 0; } -static int tda827xa_sleep(struct dvb_frontend *fe) -{ - struct tda827x_priv *priv = fe->tuner_priv; - static u8 buf[] = { 0x30, 0x90 }; - struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = 0, - .buf = buf, .len = sizeof(buf) }; - - dprintk("%s:\n", __FUNCTION__); - if (fe->ops.i2c_gate_ctrl) - fe->ops.i2c_gate_ctrl(fe, 1); - - i2c_transfer(priv->i2c_adap, &msg, 1); - - if (fe->ops.i2c_gate_ctrl) - fe->ops.i2c_gate_ctrl(fe, 0); - - if (priv->cfg && priv->cfg->sleep) - priv->cfg->sleep(fe); - - return 0; -} - -/* ------------------------------------------------------------------ */ - -static void tda827xa_lna_gain(struct dvb_frontend *fe, int high, - struct analog_parameters *params) -{ - struct tda827x_priv *priv = fe->tuner_priv; - unsigned char buf[] = {0x22, 0x01}; - int arg; - struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = 0, - .buf = buf, .len = sizeof(buf) }; - - if (NULL == priv->cfg) { - dprintk("tda827x_config not defined, cannot set LNA gain!\n"); - return; - } - - if (priv->cfg->config) { - if (high) - dprintk("setting LNA to high gain\n"); - else - dprintk("setting LNA to low gain\n"); - } - switch (*priv->cfg->config) { - case 0: /* no LNA */ - break; - case 1: /* switch is GPIO 0 of tda8290 */ - case 2: - /* turn Vsync on */ - if (params->std & V4L2_STD_MN) - arg = 1; - else - arg = 0; - if (priv->cfg->tuner_callback) - priv->cfg->tuner_callback(priv, 1, arg); - buf[1] = high ? 0 : 1; - if (*priv->cfg->config == 2) - buf[1] = high ? 1 : 0; - i2c_transfer(priv->i2c_adap, &msg, 1); - break; - case 3: /* switch with GPIO of saa713x */ - if (priv->cfg->tuner_callback) - priv->cfg->tuner_callback(priv, 0, high); - break; - } -} static int tda827xa_set_analog_params(struct dvb_frontend *fe, struct analog_parameters *params) @@ -724,7 +729,7 @@ static int tda827x_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) static int tda827x_init(struct dvb_frontend *fe) { struct tda827x_priv *priv = fe->tuner_priv; - dprintk("%s:\n", __FUNCTION__); + dprintk("%s:\n", __func__); if (priv->cfg && priv->cfg->init) priv->cfg->init(fe); @@ -792,7 +797,7 @@ static int tda827x_probe_version(struct dvb_frontend *fe) fe->ops.i2c_gate_ctrl(fe, 1); if (i2c_transfer(priv->i2c_adap, &msg, 1) != 1) { printk("%s: could not read from tuner at addr: 0x%02x\n", - __FUNCTION__, msg.addr << 1); + __func__, msg.addr << 1); return -EIO; } if ((data & 0x3c) == 0) { @@ -816,7 +821,7 @@ struct dvb_frontend *tda827x_attach(struct dvb_frontend *fe, int addr, { struct tda827x_priv *priv = NULL; - dprintk("%s:\n", __FUNCTION__); + dprintk("%s:\n", __func__); priv = kzalloc(sizeof(struct tda827x_priv), GFP_KERNEL); if (priv == NULL) return NULL; diff --git a/drivers/media/dvb/frontends/tda827x.h b/drivers/media/dvb/frontends/tda827x.h index 92eb65b..cd3032f 100644 --- a/drivers/media/dvb/frontends/tda827x.h +++ b/drivers/media/dvb/frontends/tda827x.h @@ -30,12 +30,12 @@ struct tda827x_config { /* saa7134 - provided callbacks */ - void (*lna_gain) (struct dvb_frontend *fe, int high); int (*init) (struct dvb_frontend *fe); int (*sleep) (struct dvb_frontend *fe); /* interface to tda829x driver */ - unsigned int *config; + unsigned int config; + int switch_addr; int (*tuner_callback) (void *dev, int command, int arg); void (*agcf)(struct dvb_frontend *fe); |