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path: root/drivers/media/common/tuners/tda8290.c
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Diffstat (limited to 'drivers/media/common/tuners/tda8290.c')
-rw-r--r--drivers/media/common/tuners/tda8290.c130
1 files changed, 74 insertions, 56 deletions
diff --git a/drivers/media/common/tuners/tda8290.c b/drivers/media/common/tuners/tda8290.c
index c9062ceddc7..bc6a67768af 100644
--- a/drivers/media/common/tuners/tda8290.c
+++ b/drivers/media/common/tuners/tda8290.c
@@ -95,8 +95,7 @@ static int tda8295_i2c_bridge(struct dvb_frontend *fe, int close)
msleep(20);
} else {
msg = disable;
- tuner_i2c_xfer_send(&priv->i2c_props, msg, 1);
- tuner_i2c_xfer_recv(&priv->i2c_props, &msg[1], 1);
+ tuner_i2c_xfer_send_recv(&priv->i2c_props, msg, 1, &msg[1], 1);
buf[2] = msg[1];
buf[2] &= ~0x04;
@@ -233,19 +232,22 @@ static void tda8290_set_params(struct dvb_frontend *fe,
tuner_i2c_xfer_send(&priv->i2c_props, pll_bw_nom, 2);
}
+
tda8290_i2c_bridge(fe, 1);
if (fe->ops.tuner_ops.set_analog_params)
fe->ops.tuner_ops.set_analog_params(fe, params);
for (i = 0; i < 3; i++) {
- tuner_i2c_xfer_send(&priv->i2c_props, &addr_pll_stat, 1);
- tuner_i2c_xfer_recv(&priv->i2c_props, &pll_stat, 1);
+ tuner_i2c_xfer_send_recv(&priv->i2c_props,
+ &addr_pll_stat, 1, &pll_stat, 1);
if (pll_stat & 0x80) {
- tuner_i2c_xfer_send(&priv->i2c_props, &addr_adc_sat, 1);
- tuner_i2c_xfer_recv(&priv->i2c_props, &adc_sat, 1);
- tuner_i2c_xfer_send(&priv->i2c_props, &addr_agc_stat, 1);
- tuner_i2c_xfer_recv(&priv->i2c_props, &agc_stat, 1);
+ tuner_i2c_xfer_send_recv(&priv->i2c_props,
+ &addr_adc_sat, 1,
+ &adc_sat, 1);
+ tuner_i2c_xfer_send_recv(&priv->i2c_props,
+ &addr_agc_stat, 1,
+ &agc_stat, 1);
tuner_dbg("tda8290 is locked, AGC: %d\n", agc_stat);
break;
} else {
@@ -259,20 +261,22 @@ static void tda8290_set_params(struct dvb_frontend *fe,
agc_stat, adc_sat, pll_stat & 0x80);
tuner_i2c_xfer_send(&priv->i2c_props, gainset_2, 2);
msleep(100);
- tuner_i2c_xfer_send(&priv->i2c_props, &addr_agc_stat, 1);
- tuner_i2c_xfer_recv(&priv->i2c_props, &agc_stat, 1);
- tuner_i2c_xfer_send(&priv->i2c_props, &addr_pll_stat, 1);
- tuner_i2c_xfer_recv(&priv->i2c_props, &pll_stat, 1);
+ tuner_i2c_xfer_send_recv(&priv->i2c_props,
+ &addr_agc_stat, 1, &agc_stat, 1);
+ tuner_i2c_xfer_send_recv(&priv->i2c_props,
+ &addr_pll_stat, 1, &pll_stat, 1);
if ((agc_stat > 115) || !(pll_stat & 0x80)) {
tuner_dbg("adjust gain, step 2. Agc: %d, lock: %d\n",
agc_stat, pll_stat & 0x80);
if (priv->cfg.agcf)
priv->cfg.agcf(fe);
msleep(100);
- tuner_i2c_xfer_send(&priv->i2c_props, &addr_agc_stat, 1);
- tuner_i2c_xfer_recv(&priv->i2c_props, &agc_stat, 1);
- tuner_i2c_xfer_send(&priv->i2c_props, &addr_pll_stat, 1);
- tuner_i2c_xfer_recv(&priv->i2c_props, &pll_stat, 1);
+ tuner_i2c_xfer_send_recv(&priv->i2c_props,
+ &addr_agc_stat, 1,
+ &agc_stat, 1);
+ tuner_i2c_xfer_send_recv(&priv->i2c_props,
+ &addr_pll_stat, 1,
+ &pll_stat, 1);
if((agc_stat > 115) || !(pll_stat & 0x80)) {
tuner_dbg("adjust gain, step 3. Agc: %d\n", agc_stat);
tuner_i2c_xfer_send(&priv->i2c_props, adc_head_12, 2);
@@ -284,10 +288,12 @@ static void tda8290_set_params(struct dvb_frontend *fe,
/* l/ l' deadlock? */
if(priv->tda8290_easy_mode & 0x60) {
- tuner_i2c_xfer_send(&priv->i2c_props, &addr_adc_sat, 1);
- tuner_i2c_xfer_recv(&priv->i2c_props, &adc_sat, 1);
- tuner_i2c_xfer_send(&priv->i2c_props, &addr_pll_stat, 1);
- tuner_i2c_xfer_recv(&priv->i2c_props, &pll_stat, 1);
+ tuner_i2c_xfer_send_recv(&priv->i2c_props,
+ &addr_adc_sat, 1,
+ &adc_sat, 1);
+ tuner_i2c_xfer_send_recv(&priv->i2c_props,
+ &addr_pll_stat, 1,
+ &pll_stat, 1);
if ((adc_sat > 20) || !(pll_stat & 0x80)) {
tuner_dbg("trying to resolve SECAM L deadlock\n");
tuner_i2c_xfer_send(&priv->i2c_props, agc_rst_on, 2);
@@ -307,8 +313,7 @@ static void tda8295_power(struct dvb_frontend *fe, int enable)
struct tda8290_priv *priv = fe->analog_demod_priv;
unsigned char buf[] = { 0x30, 0x00 }; /* clb_stdbt */
- tuner_i2c_xfer_send(&priv->i2c_props, &buf[0], 1);
- tuner_i2c_xfer_recv(&priv->i2c_props, &buf[1], 1);
+ tuner_i2c_xfer_send_recv(&priv->i2c_props, &buf[0], 1, &buf[1], 1);
if (enable)
buf[1] = 0x01;
@@ -323,8 +328,7 @@ static void tda8295_set_easy_mode(struct dvb_frontend *fe, int enable)
struct tda8290_priv *priv = fe->analog_demod_priv;
unsigned char buf[] = { 0x01, 0x00 };
- tuner_i2c_xfer_send(&priv->i2c_props, &buf[0], 1);
- tuner_i2c_xfer_recv(&priv->i2c_props, &buf[1], 1);
+ tuner_i2c_xfer_send_recv(&priv->i2c_props, &buf[0], 1, &buf[1], 1);
if (enable)
buf[1] = 0x01; /* rising edge sets regs 0x02 - 0x23 */
@@ -353,8 +357,7 @@ static void tda8295_agc1_out(struct dvb_frontend *fe, int enable)
struct tda8290_priv *priv = fe->analog_demod_priv;
unsigned char buf[] = { 0x02, 0x00 }; /* DIV_FUNC */
- tuner_i2c_xfer_send(&priv->i2c_props, &buf[0], 1);
- tuner_i2c_xfer_recv(&priv->i2c_props, &buf[1], 1);
+ tuner_i2c_xfer_send_recv(&priv->i2c_props, &buf[0], 1, &buf[1], 1);
if (enable)
buf[1] &= ~0x40;
@@ -370,10 +373,10 @@ static void tda8295_agc2_out(struct dvb_frontend *fe, int enable)
unsigned char set_gpio_cf[] = { 0x44, 0x00 };
unsigned char set_gpio_val[] = { 0x46, 0x00 };
- tuner_i2c_xfer_send(&priv->i2c_props, &set_gpio_cf[0], 1);
- tuner_i2c_xfer_recv(&priv->i2c_props, &set_gpio_cf[1], 1);
- tuner_i2c_xfer_send(&priv->i2c_props, &set_gpio_val[0], 1);
- tuner_i2c_xfer_recv(&priv->i2c_props, &set_gpio_val[1], 1);
+ tuner_i2c_xfer_send_recv(&priv->i2c_props,
+ &set_gpio_cf[0], 1, &set_gpio_cf[1], 1);
+ tuner_i2c_xfer_send_recv(&priv->i2c_props,
+ &set_gpio_val[0], 1, &set_gpio_val[1], 1);
set_gpio_cf[1] &= 0xf0; /* clear GPIO_0 bits 3-0 */
@@ -392,8 +395,7 @@ static int tda8295_has_signal(struct dvb_frontend *fe)
unsigned char hvpll_stat = 0x26;
unsigned char ret;
- tuner_i2c_xfer_send(&priv->i2c_props, &hvpll_stat, 1);
- tuner_i2c_xfer_recv(&priv->i2c_props, &ret, 1);
+ tuner_i2c_xfer_send_recv(&priv->i2c_props, &hvpll_stat, 1, &ret, 1);
return (ret & 0x01) ? 65535 : 0;
}
@@ -413,8 +415,8 @@ static void tda8295_set_params(struct dvb_frontend *fe,
tda8295_power(fe, 1);
tda8295_agc1_out(fe, 1);
- tuner_i2c_xfer_send(&priv->i2c_props, &blanking_mode[0], 1);
- tuner_i2c_xfer_recv(&priv->i2c_props, &blanking_mode[1], 1);
+ tuner_i2c_xfer_send_recv(&priv->i2c_props,
+ &blanking_mode[0], 1, &blanking_mode[1], 1);
tda8295_set_video_std(fe);
@@ -447,8 +449,8 @@ static int tda8290_has_signal(struct dvb_frontend *fe)
unsigned char i2c_get_afc[1] = { 0x1B };
unsigned char afc = 0;
- tuner_i2c_xfer_send(&priv->i2c_props, i2c_get_afc, ARRAY_SIZE(i2c_get_afc));
- tuner_i2c_xfer_recv(&priv->i2c_props, &afc, 1);
+ tuner_i2c_xfer_send_recv(&priv->i2c_props,
+ i2c_get_afc, ARRAY_SIZE(i2c_get_afc), &afc, 1);
return (afc & 0x80)? 65535:0;
}
@@ -654,20 +656,26 @@ static int tda829x_find_tuner(struct dvb_frontend *fe)
static int tda8290_probe(struct tuner_i2c_props *i2c_props)
{
#define TDA8290_ID 0x89
- unsigned char tda8290_id[] = { 0x1f, 0x00 };
+ u8 reg = 0x1f, id;
+ struct i2c_msg msg_read[] = {
+ { .addr = 0x4b, .flags = 0, .len = 1, .buf = &reg },
+ { .addr = 0x4b, .flags = I2C_M_RD, .len = 1, .buf = &id },
+ };
/* detect tda8290 */
- tuner_i2c_xfer_send(i2c_props, &tda8290_id[0], 1);
- tuner_i2c_xfer_recv(i2c_props, &tda8290_id[1], 1);
+ if (i2c_transfer(i2c_props->adap, msg_read, 2) != 2) {
+ printk(KERN_WARNING "%s: tda8290 couldn't read register 0x%02x\n",
+ __func__, reg);
+ return -ENODEV;
+ }
- if (tda8290_id[1] == TDA8290_ID) {
+ if (id == TDA8290_ID) {
if (debug)
printk(KERN_DEBUG "%s: tda8290 detected @ %d-%04x\n",
__func__, i2c_adapter_id(i2c_props->adap),
i2c_props->addr);
return 0;
}
-
return -ENODEV;
}
@@ -675,16 +683,23 @@ static int tda8295_probe(struct tuner_i2c_props *i2c_props)
{
#define TDA8295_ID 0x8a
#define TDA8295C2_ID 0x8b
- unsigned char tda8295_id[] = { 0x2f, 0x00 };
+ u8 reg = 0x2f, id;
+ struct i2c_msg msg_read[] = {
+ { .addr = 0x4b, .flags = 0, .len = 1, .buf = &reg },
+ { .addr = 0x4b, .flags = I2C_M_RD, .len = 1, .buf = &id },
+ };
- /* detect tda8295 */
- tuner_i2c_xfer_send(i2c_props, &tda8295_id[0], 1);
- tuner_i2c_xfer_recv(i2c_props, &tda8295_id[1], 1);
+ /* detect tda8290 */
+ if (i2c_transfer(i2c_props->adap, msg_read, 2) != 2) {
+ printk(KERN_WARNING "%s: tda8290 couldn't read register 0x%02x\n",
+ __func__, reg);
+ return -ENODEV;
+ }
- if ((tda8295_id[1] & 0xfe) == TDA8295_ID) {
+ if ((id & 0xfe) == TDA8295_ID) {
if (debug)
printk(KERN_DEBUG "%s: %s detected @ %d-%04x\n",
- __func__, (tda8295_id[1] == TDA8295_ID) ?
+ __func__, (id == TDA8295_ID) ?
"tda8295c1" : "tda8295c2",
i2c_adapter_id(i2c_props->adap),
i2c_props->addr);
@@ -740,9 +755,11 @@ struct dvb_frontend *tda829x_attach(struct dvb_frontend *fe,
sizeof(struct analog_demod_ops));
}
- if ((!(cfg) || (TDA829X_PROBE_TUNER == cfg->probe_tuner)) &&
- (tda829x_find_tuner(fe) < 0))
- goto fail;
+ if (!(cfg) || (TDA829X_PROBE_TUNER == cfg->probe_tuner)) {
+ tda8295_power(fe, 1);
+ if (tda829x_find_tuner(fe) < 0)
+ goto fail;
+ }
switch (priv->ver) {
case TDA8290:
@@ -786,6 +803,8 @@ struct dvb_frontend *tda829x_attach(struct dvb_frontend *fe,
return fe;
fail:
+ memset(&fe->ops.analog_ops, 0, sizeof(struct analog_demod_ops));
+
tda829x_release(fe);
return NULL;
}
@@ -809,8 +828,8 @@ int tda829x_probe(struct i2c_adapter *i2c_adap, u8 i2c_addr)
int i;
/* rule out tda9887, which would return the same byte repeatedly */
- tuner_i2c_xfer_send(&i2c_props, soft_reset, 1);
- tuner_i2c_xfer_recv(&i2c_props, buf, PROBE_BUFFER_SIZE);
+ tuner_i2c_xfer_send_recv(&i2c_props,
+ soft_reset, 1, buf, PROBE_BUFFER_SIZE);
for (i = 1; i < PROBE_BUFFER_SIZE; i++) {
if (buf[i] != buf[0])
break;
@@ -827,13 +846,12 @@ int tda829x_probe(struct i2c_adapter *i2c_adap, u8 i2c_addr)
/* fall back to old probing method */
tuner_i2c_xfer_send(&i2c_props, easy_mode_b, 2);
tuner_i2c_xfer_send(&i2c_props, soft_reset, 2);
- tuner_i2c_xfer_send(&i2c_props, &addr_dto_lsb, 1);
- tuner_i2c_xfer_recv(&i2c_props, &data, 1);
+ tuner_i2c_xfer_send_recv(&i2c_props, &addr_dto_lsb, 1, &data, 1);
if (data == 0) {
tuner_i2c_xfer_send(&i2c_props, easy_mode_g, 2);
tuner_i2c_xfer_send(&i2c_props, soft_reset, 2);
- tuner_i2c_xfer_send(&i2c_props, &addr_dto_lsb, 1);
- tuner_i2c_xfer_recv(&i2c_props, &data, 1);
+ tuner_i2c_xfer_send_recv(&i2c_props,
+ &addr_dto_lsb, 1, &data, 1);
if (data == 0x7b) {
return 0;
}
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-11 08:16:56 +0000