Skip to content

Commit

Permalink
---
Browse files Browse the repository at this point in the history
yaml
---
r: 232196
b: refs/heads/master
c: 567aba0
h: refs/heads/master
v: v3
  • Loading branch information
Mauro Carvalho Chehab committed Jan 19, 2011
1 parent cea6d92 commit 002d236
Show file tree
Hide file tree
Showing 2 changed files with 67 additions and 54 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 5a85025f7dabc5b039335a7d1fb5f9002efa9488
refs/heads/master: 567aba0b7997dad5fe3fb4aeb174ee9018df8c5b
119 changes: 66 additions & 53 deletions trunk/drivers/media/common/tuners/tda8290.c
Original file line number Diff line number Diff line change
Expand Up @@ -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;
Expand Down Expand Up @@ -239,13 +238,15 @@ static void tda8290_set_params(struct dvb_frontend *fe,
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 {
Expand All @@ -259,20 +260,22 @@ 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);
Expand All @@ -284,10 +287,12 @@ 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);
Expand All @@ -307,8 +312,7 @@ 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;
Expand All @@ -323,8 +327,7 @@ 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 */
Expand Down Expand Up @@ -353,8 +356,7 @@ 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;
Expand All @@ -370,10 +372,10 @@ 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 */

Expand All @@ -392,8 +394,7 @@ 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;
}

Expand All @@ -413,8 +414,8 @@ 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);

Expand Down Expand Up @@ -447,8 +448,8 @@ 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;
}

Expand Down Expand Up @@ -654,37 +655,50 @@ 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;
}

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);
Expand Down Expand Up @@ -809,8 +823,8 @@ 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;
Expand All @@ -827,13 +841,12 @@ 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;
}
Expand Down

0 comments on commit 002d236

Please sign in to comment.