forked from mirrors/linux
[media] mn88473: finalize driver
Finalize the driver. It still lacks a lot of features, like all statistics and PLP filtering, but basic functionality and sensitivity is pretty good shape. Signed-off-by: Antti Palosaari <crope@iki.fi> Reviewed-by: Benjamin Larsson <benjamin@southpole.se> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Antti Palosaari
Mauro Carvalho Chehab
parent
877ba50b05
commit
7908fad99a
3 changed files with 246 additions and 163 deletions
|
|
@ -29,21 +29,17 @@ static int mn88473_set_frontend(struct dvb_frontend *fe)
|
|||
struct mn88473_dev *dev = i2c_get_clientdata(client);
|
||||
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
|
||||
int ret, i;
|
||||
unsigned int uitmp;
|
||||
u32 if_frequency;
|
||||
u64 tmp;
|
||||
u8 delivery_system_val, if_val[3], bw_val[7];
|
||||
u8 delivery_system_val, if_val[3], *conf_val_ptr;
|
||||
u8 reg_bank2_2d_val, reg_bank0_d2_val;
|
||||
|
||||
dev_dbg(&client->dev,
|
||||
"delivery_system=%u modulation=%u frequency=%u bandwidth_hz=%u symbol_rate=%u inversion=%d stream_id=%d\n",
|
||||
c->delivery_system,
|
||||
c->modulation,
|
||||
c->frequency,
|
||||
c->bandwidth_hz,
|
||||
c->symbol_rate,
|
||||
c->inversion,
|
||||
c->stream_id);
|
||||
c->delivery_system, c->modulation, c->frequency,
|
||||
c->bandwidth_hz, c->symbol_rate, c->inversion, c->stream_id);
|
||||
|
||||
if (!dev->warm) {
|
||||
if (!dev->active) {
|
||||
ret = -EAGAIN;
|
||||
goto err;
|
||||
}
|
||||
|
|
@ -51,30 +47,50 @@ static int mn88473_set_frontend(struct dvb_frontend *fe)
|
|||
switch (c->delivery_system) {
|
||||
case SYS_DVBT:
|
||||
delivery_system_val = 0x02;
|
||||
reg_bank2_2d_val = 0x23;
|
||||
reg_bank0_d2_val = 0x2a;
|
||||
break;
|
||||
case SYS_DVBT2:
|
||||
delivery_system_val = 0x03;
|
||||
reg_bank2_2d_val = 0x3b;
|
||||
reg_bank0_d2_val = 0x29;
|
||||
break;
|
||||
case SYS_DVBC_ANNEX_A:
|
||||
delivery_system_val = 0x04;
|
||||
reg_bank2_2d_val = 0x3b;
|
||||
reg_bank0_d2_val = 0x29;
|
||||
break;
|
||||
default:
|
||||
ret = -EINVAL;
|
||||
goto err;
|
||||
}
|
||||
|
||||
if (c->bandwidth_hz <= 6000000) {
|
||||
memcpy(bw_val, "\xe9\x55\x55\x1c\x29\x1c\x29", 7);
|
||||
} else if (c->bandwidth_hz <= 7000000) {
|
||||
memcpy(bw_val, "\xc8\x00\x00\x17\x0a\x17\x0a", 7);
|
||||
} else if (c->bandwidth_hz <= 8000000) {
|
||||
memcpy(bw_val, "\xaf\x00\x00\x11\xec\x11\xec", 7);
|
||||
} else {
|
||||
switch (c->delivery_system) {
|
||||
case SYS_DVBT:
|
||||
case SYS_DVBT2:
|
||||
switch (c->bandwidth_hz) {
|
||||
case 6000000:
|
||||
conf_val_ptr = "\xe9\x55\x55\x1c\x29\x1c\x29";
|
||||
break;
|
||||
case 7000000:
|
||||
conf_val_ptr = "\xc8\x00\x00\x17\x0a\x17\x0a";
|
||||
break;
|
||||
case 8000000:
|
||||
conf_val_ptr = "\xaf\x00\x00\x11\xec\x11\xec";
|
||||
break;
|
||||
default:
|
||||
ret = -EINVAL;
|
||||
goto err;
|
||||
}
|
||||
break;
|
||||
case SYS_DVBC_ANNEX_A:
|
||||
conf_val_ptr = "\x10\xab\x0d\xae\x1d\x9d";
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
/* program tuner */
|
||||
/* Program tuner */
|
||||
if (fe->ops.tuner_ops.set_params) {
|
||||
ret = fe->ops.tuner_ops.set_params(fe);
|
||||
if (ret)
|
||||
|
|
@ -86,27 +102,45 @@ static int mn88473_set_frontend(struct dvb_frontend *fe)
|
|||
if (ret)
|
||||
goto err;
|
||||
|
||||
dev_dbg(&client->dev, "get_if_frequency=%d\n", if_frequency);
|
||||
dev_dbg(&client->dev, "get_if_frequency=%u\n", if_frequency);
|
||||
} else {
|
||||
if_frequency = 0;
|
||||
ret = -EINVAL;
|
||||
goto err;
|
||||
}
|
||||
|
||||
/* Calculate IF registers ( (1<<24)*IF / Xtal ) */
|
||||
tmp = div_u64(if_frequency * (u64)(1<<24) + (dev->xtal / 2),
|
||||
dev->xtal);
|
||||
if_val[0] = ((tmp >> 16) & 0xff);
|
||||
if_val[1] = ((tmp >> 8) & 0xff);
|
||||
if_val[2] = ((tmp >> 0) & 0xff);
|
||||
/* Calculate IF registers */
|
||||
uitmp = DIV_ROUND_CLOSEST_ULL((u64) if_frequency * 0x1000000, dev->clk);
|
||||
if_val[0] = (uitmp >> 16) & 0xff;
|
||||
if_val[1] = (uitmp >> 8) & 0xff;
|
||||
if_val[2] = (uitmp >> 0) & 0xff;
|
||||
|
||||
ret = regmap_write(dev->regmap[2], 0x05, 0x00);
|
||||
if (ret)
|
||||
goto err;
|
||||
ret = regmap_write(dev->regmap[2], 0xfb, 0x13);
|
||||
if (ret)
|
||||
goto err;
|
||||
ret = regmap_write(dev->regmap[2], 0xef, 0x13);
|
||||
if (ret)
|
||||
goto err;
|
||||
ret = regmap_write(dev->regmap[2], 0xf9, 0x13);
|
||||
if (ret)
|
||||
goto err;
|
||||
ret = regmap_write(dev->regmap[2], 0x00, 0x18);
|
||||
if (ret)
|
||||
goto err;
|
||||
ret = regmap_write(dev->regmap[2], 0x01, 0x01);
|
||||
if (ret)
|
||||
goto err;
|
||||
ret = regmap_write(dev->regmap[2], 0x02, 0x21);
|
||||
if (ret)
|
||||
goto err;
|
||||
ret = regmap_write(dev->regmap[2], 0x03, delivery_system_val);
|
||||
if (ret)
|
||||
goto err;
|
||||
ret = regmap_write(dev->regmap[2], 0x0b, 0x00);
|
||||
if (ret)
|
||||
goto err;
|
||||
|
||||
for (i = 0; i < sizeof(if_val); i++) {
|
||||
ret = regmap_write(dev->regmap[2], 0x10 + i, if_val[i]);
|
||||
|
|
@ -114,52 +148,85 @@ static int mn88473_set_frontend(struct dvb_frontend *fe)
|
|||
goto err;
|
||||
}
|
||||
|
||||
for (i = 0; i < sizeof(bw_val); i++) {
|
||||
ret = regmap_write(dev->regmap[2], 0x13 + i, bw_val[i]);
|
||||
switch (c->delivery_system) {
|
||||
case SYS_DVBT:
|
||||
case SYS_DVBT2:
|
||||
for (i = 0; i < 7; i++) {
|
||||
ret = regmap_write(dev->regmap[2], 0x13 + i,
|
||||
conf_val_ptr[i]);
|
||||
if (ret)
|
||||
goto err;
|
||||
}
|
||||
break;
|
||||
case SYS_DVBC_ANNEX_A:
|
||||
ret = regmap_bulk_write(dev->regmap[1], 0x10, conf_val_ptr, 6);
|
||||
if (ret)
|
||||
goto err;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
ret = regmap_write(dev->regmap[2], 0x2d, 0x3b);
|
||||
ret = regmap_write(dev->regmap[2], 0x2d, reg_bank2_2d_val);
|
||||
if (ret)
|
||||
goto err;
|
||||
ret = regmap_write(dev->regmap[2], 0x2e, 0x00);
|
||||
if (ret)
|
||||
goto err;
|
||||
ret = regmap_write(dev->regmap[2], 0x56, 0x0d);
|
||||
ret = regmap_write(dev->regmap[0], 0x01, 0xba);
|
||||
ret = regmap_write(dev->regmap[0], 0x02, 0x13);
|
||||
ret = regmap_write(dev->regmap[0], 0x03, 0x80);
|
||||
ret = regmap_write(dev->regmap[0], 0x04, 0xba);
|
||||
ret = regmap_write(dev->regmap[0], 0x05, 0x91);
|
||||
ret = regmap_write(dev->regmap[0], 0x07, 0xe7);
|
||||
ret = regmap_write(dev->regmap[0], 0x08, 0x28);
|
||||
if (ret)
|
||||
goto err;
|
||||
ret = regmap_bulk_write(dev->regmap[0], 0x01,
|
||||
"\xba\x13\x80\xba\x91\xdd\xe7\x28", 8);
|
||||
if (ret)
|
||||
goto err;
|
||||
ret = regmap_write(dev->regmap[0], 0x0a, 0x1a);
|
||||
if (ret)
|
||||
goto err;
|
||||
ret = regmap_write(dev->regmap[0], 0x13, 0x1f);
|
||||
if (ret)
|
||||
goto err;
|
||||
ret = regmap_write(dev->regmap[0], 0x19, 0x03);
|
||||
if (ret)
|
||||
goto err;
|
||||
ret = regmap_write(dev->regmap[0], 0x1d, 0xb0);
|
||||
if (ret)
|
||||
goto err;
|
||||
ret = regmap_write(dev->regmap[0], 0x2a, 0x72);
|
||||
if (ret)
|
||||
goto err;
|
||||
ret = regmap_write(dev->regmap[0], 0x2d, 0x00);
|
||||
if (ret)
|
||||
goto err;
|
||||
ret = regmap_write(dev->regmap[0], 0x3c, 0x00);
|
||||
if (ret)
|
||||
goto err;
|
||||
ret = regmap_write(dev->regmap[0], 0x3f, 0xf8);
|
||||
ret = regmap_write(dev->regmap[0], 0x40, 0xf4);
|
||||
ret = regmap_write(dev->regmap[0], 0x41, 0x08);
|
||||
ret = regmap_write(dev->regmap[0], 0xd2, 0x29);
|
||||
if (ret)
|
||||
goto err;
|
||||
ret = regmap_bulk_write(dev->regmap[0], 0x40, "\xf4\x08", 2);
|
||||
if (ret)
|
||||
goto err;
|
||||
ret = regmap_write(dev->regmap[0], 0xd2, reg_bank0_d2_val);
|
||||
if (ret)
|
||||
goto err;
|
||||
ret = regmap_write(dev->regmap[0], 0xd4, 0x55);
|
||||
ret = regmap_write(dev->regmap[1], 0x10, 0x10);
|
||||
ret = regmap_write(dev->regmap[1], 0x11, 0xab);
|
||||
ret = regmap_write(dev->regmap[1], 0x12, 0x0d);
|
||||
ret = regmap_write(dev->regmap[1], 0x13, 0xae);
|
||||
ret = regmap_write(dev->regmap[1], 0x14, 0x1d);
|
||||
ret = regmap_write(dev->regmap[1], 0x15, 0x9d);
|
||||
if (ret)
|
||||
goto err;
|
||||
ret = regmap_write(dev->regmap[1], 0xbe, 0x08);
|
||||
ret = regmap_write(dev->regmap[2], 0x09, 0x08);
|
||||
ret = regmap_write(dev->regmap[2], 0x08, 0x1d);
|
||||
if (ret)
|
||||
goto err;
|
||||
ret = regmap_write(dev->regmap[0], 0xb2, 0x37);
|
||||
if (ret)
|
||||
goto err;
|
||||
ret = regmap_write(dev->regmap[0], 0xd7, 0x04);
|
||||
ret = regmap_write(dev->regmap[2], 0x32, 0x80);
|
||||
ret = regmap_write(dev->regmap[2], 0x36, 0x00);
|
||||
ret = regmap_write(dev->regmap[2], 0xf8, 0x9f);
|
||||
if (ret)
|
||||
goto err;
|
||||
|
||||
dev->delivery_system = c->delivery_system;
|
||||
/* Reset FSM */
|
||||
ret = regmap_write(dev->regmap[2], 0xf8, 0x9f);
|
||||
if (ret)
|
||||
goto err;
|
||||
|
||||
return 0;
|
||||
err:
|
||||
|
|
@ -173,51 +240,61 @@ static int mn88473_read_status(struct dvb_frontend *fe, enum fe_status *status)
|
|||
struct mn88473_dev *dev = i2c_get_clientdata(client);
|
||||
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
|
||||
int ret;
|
||||
unsigned int utmp;
|
||||
int lock = 0;
|
||||
unsigned int uitmp;
|
||||
|
||||
*status = 0;
|
||||
|
||||
if (!dev->warm) {
|
||||
if (!dev->active) {
|
||||
ret = -EAGAIN;
|
||||
goto err;
|
||||
}
|
||||
|
||||
*status = 0;
|
||||
|
||||
switch (c->delivery_system) {
|
||||
case SYS_DVBT:
|
||||
ret = regmap_read(dev->regmap[0], 0x62, &utmp);
|
||||
ret = regmap_read(dev->regmap[0], 0x62, &uitmp);
|
||||
if (ret)
|
||||
goto err;
|
||||
if (!(utmp & 0xA0)) {
|
||||
if ((utmp & 0xF) >= 0x03)
|
||||
*status |= FE_HAS_SIGNAL;
|
||||
if ((utmp & 0xF) >= 0x09)
|
||||
lock = 1;
|
||||
|
||||
if (!(uitmp & 0xa0)) {
|
||||
if ((uitmp & 0x0f) >= 0x09)
|
||||
*status = FE_HAS_SIGNAL | FE_HAS_CARRIER |
|
||||
FE_HAS_VITERBI | FE_HAS_SYNC |
|
||||
FE_HAS_LOCK;
|
||||
else if ((uitmp & 0x0f) >= 0x03)
|
||||
*status = FE_HAS_SIGNAL | FE_HAS_CARRIER;
|
||||
}
|
||||
break;
|
||||
case SYS_DVBT2:
|
||||
ret = regmap_read(dev->regmap[2], 0x8B, &utmp);
|
||||
ret = regmap_read(dev->regmap[2], 0x8b, &uitmp);
|
||||
if (ret)
|
||||
goto err;
|
||||
if (!(utmp & 0x40)) {
|
||||
if ((utmp & 0xF) >= 0x07)
|
||||
*status |= FE_HAS_SIGNAL;
|
||||
if ((utmp & 0xF) >= 0x0a)
|
||||
*status |= FE_HAS_CARRIER;
|
||||
if ((utmp & 0xF) >= 0x0d)
|
||||
*status |= FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK;
|
||||
|
||||
if (!(uitmp & 0x40)) {
|
||||
if ((uitmp & 0x0f) >= 0x0d)
|
||||
*status = FE_HAS_SIGNAL | FE_HAS_CARRIER |
|
||||
FE_HAS_VITERBI | FE_HAS_SYNC |
|
||||
FE_HAS_LOCK;
|
||||
else if ((uitmp & 0x0f) >= 0x0a)
|
||||
*status = FE_HAS_SIGNAL | FE_HAS_CARRIER |
|
||||
FE_HAS_VITERBI;
|
||||
else if ((uitmp & 0x0f) >= 0x07)
|
||||
*status = FE_HAS_SIGNAL | FE_HAS_CARRIER;
|
||||
}
|
||||
break;
|
||||
case SYS_DVBC_ANNEX_A:
|
||||
ret = regmap_read(dev->regmap[1], 0x85, &utmp);
|
||||
ret = regmap_read(dev->regmap[1], 0x85, &uitmp);
|
||||
if (ret)
|
||||
goto err;
|
||||
if (!(utmp & 0x40)) {
|
||||
ret = regmap_read(dev->regmap[1], 0x89, &utmp);
|
||||
|
||||
if (!(uitmp & 0x40)) {
|
||||
ret = regmap_read(dev->regmap[1], 0x89, &uitmp);
|
||||
if (ret)
|
||||
goto err;
|
||||
if (utmp & 0x01)
|
||||
lock = 1;
|
||||
|
||||
if (uitmp & 0x01)
|
||||
*status = FE_HAS_SIGNAL | FE_HAS_CARRIER |
|
||||
FE_HAS_VITERBI | FE_HAS_SYNC |
|
||||
FE_HAS_LOCK;
|
||||
}
|
||||
break;
|
||||
default:
|
||||
|
|
@ -225,10 +302,6 @@ static int mn88473_read_status(struct dvb_frontend *fe, enum fe_status *status)
|
|||
goto err;
|
||||
}
|
||||
|
||||
if (lock)
|
||||
*status = FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_VITERBI |
|
||||
FE_HAS_SYNC | FE_HAS_LOCK;
|
||||
|
||||
return 0;
|
||||
err:
|
||||
dev_dbg(&client->dev, "failed=%d\n", ret);
|
||||
|
|
@ -239,85 +312,76 @@ static int mn88473_init(struct dvb_frontend *fe)
|
|||
{
|
||||
struct i2c_client *client = fe->demodulator_priv;
|
||||
struct mn88473_dev *dev = i2c_get_clientdata(client);
|
||||
int ret, len, remaining;
|
||||
const struct firmware *fw = NULL;
|
||||
u8 *fw_file = MN88473_FIRMWARE;
|
||||
unsigned int tmp;
|
||||
int ret, len, remain;
|
||||
unsigned int uitmp;
|
||||
const struct firmware *fw;
|
||||
const char *name = MN88473_FIRMWARE;
|
||||
|
||||
dev_dbg(&client->dev, "\n");
|
||||
|
||||
/* set cold state by default */
|
||||
dev->warm = false;
|
||||
|
||||
/* check if firmware is already running */
|
||||
ret = regmap_read(dev->regmap[0], 0xf5, &tmp);
|
||||
/* Check if firmware is already running */
|
||||
ret = regmap_read(dev->regmap[0], 0xf5, &uitmp);
|
||||
if (ret)
|
||||
goto err;
|
||||
|
||||
if (!(tmp & 0x1)) {
|
||||
dev_info(&client->dev, "firmware already running\n");
|
||||
dev->warm = true;
|
||||
return 0;
|
||||
}
|
||||
if (!(uitmp & 0x01))
|
||||
goto warm;
|
||||
|
||||
/* request the firmware, this will block and timeout */
|
||||
ret = request_firmware(&fw, fw_file, &client->dev);
|
||||
/* Request the firmware, this will block and timeout */
|
||||
ret = request_firmware(&fw, name, &client->dev);
|
||||
if (ret) {
|
||||
dev_err(&client->dev, "firmare file '%s' not found\n", fw_file);
|
||||
goto err_request_firmware;
|
||||
dev_err(&client->dev, "firmare file '%s' not found\n", name);
|
||||
goto err;
|
||||
}
|
||||
|
||||
dev_info(&client->dev, "downloading firmware from file '%s'\n",
|
||||
fw_file);
|
||||
dev_info(&client->dev, "downloading firmware from file '%s'\n", name);
|
||||
|
||||
ret = regmap_write(dev->regmap[0], 0xf5, 0x03);
|
||||
if (ret)
|
||||
goto err;
|
||||
|
||||
for (remaining = fw->size; remaining > 0;
|
||||
remaining -= (dev->i2c_wr_max - 1)) {
|
||||
len = remaining;
|
||||
if (len > (dev->i2c_wr_max - 1))
|
||||
len = dev->i2c_wr_max - 1;
|
||||
goto err_release_firmware;
|
||||
|
||||
for (remain = fw->size; remain > 0; remain -= (dev->i2c_wr_max - 1)) {
|
||||
len = min(dev->i2c_wr_max - 1, remain);
|
||||
ret = regmap_bulk_write(dev->regmap[0], 0xf6,
|
||||
&fw->data[fw->size - remaining], len);
|
||||
&fw->data[fw->size - remain], len);
|
||||
if (ret) {
|
||||
dev_err(&client->dev, "firmware download failed=%d\n",
|
||||
dev_err(&client->dev, "firmware download failed %d\n",
|
||||
ret);
|
||||
goto err;
|
||||
goto err_release_firmware;
|
||||
}
|
||||
}
|
||||
|
||||
/* parity check of firmware */
|
||||
ret = regmap_read(dev->regmap[0], 0xf8, &tmp);
|
||||
if (ret) {
|
||||
dev_err(&client->dev,
|
||||
"parity reg read failed=%d\n", ret);
|
||||
release_firmware(fw);
|
||||
|
||||
/* Parity check of firmware */
|
||||
ret = regmap_read(dev->regmap[0], 0xf8, &uitmp);
|
||||
if (ret)
|
||||
goto err;
|
||||
|
||||
if (uitmp & 0x10) {
|
||||
dev_err(&client->dev, "firmware parity check failed\n");
|
||||
ret = -EINVAL;
|
||||
goto err;
|
||||
}
|
||||
if (tmp & 0x10) {
|
||||
dev_err(&client->dev,
|
||||
"firmware parity check failed=0x%x\n", tmp);
|
||||
goto err;
|
||||
}
|
||||
dev_err(&client->dev, "firmware parity check succeeded=0x%x\n", tmp);
|
||||
|
||||
ret = regmap_write(dev->regmap[0], 0xf5, 0x00);
|
||||
if (ret)
|
||||
goto err;
|
||||
warm:
|
||||
/* TS config */
|
||||
ret = regmap_write(dev->regmap[2], 0x09, 0x08);
|
||||
if (ret)
|
||||
goto err;
|
||||
ret = regmap_write(dev->regmap[2], 0x08, 0x1d);
|
||||
if (ret)
|
||||
goto err;
|
||||
|
||||
release_firmware(fw);
|
||||
fw = NULL;
|
||||
|
||||
/* warm state */
|
||||
dev->warm = true;
|
||||
dev->active = true;
|
||||
|
||||
return 0;
|
||||
|
||||
err:
|
||||
err_release_firmware:
|
||||
release_firmware(fw);
|
||||
err_request_firmware:
|
||||
err:
|
||||
dev_dbg(&client->dev, "failed=%d\n", ret);
|
||||
return ret;
|
||||
}
|
||||
|
|
@ -330,20 +394,20 @@ static int mn88473_sleep(struct dvb_frontend *fe)
|
|||
|
||||
dev_dbg(&client->dev, "\n");
|
||||
|
||||
dev->active = false;
|
||||
|
||||
ret = regmap_write(dev->regmap[2], 0x05, 0x3e);
|
||||
if (ret)
|
||||
goto err;
|
||||
|
||||
dev->delivery_system = SYS_UNDEFINED;
|
||||
|
||||
return 0;
|
||||
err:
|
||||
dev_dbg(&client->dev, "failed=%d\n", ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static struct dvb_frontend_ops mn88473_ops = {
|
||||
.delsys = {SYS_DVBT, SYS_DVBT2, SYS_DVBC_ANNEX_AC},
|
||||
static const struct dvb_frontend_ops mn88473_ops = {
|
||||
.delsys = {SYS_DVBT, SYS_DVBT2, SYS_DVBC_ANNEX_A},
|
||||
.info = {
|
||||
.name = "Panasonic MN88473",
|
||||
.symbol_rate_min = 1000000,
|
||||
|
|
@ -365,8 +429,7 @@ static struct dvb_frontend_ops mn88473_ops = {
|
|||
FE_CAN_GUARD_INTERVAL_AUTO |
|
||||
FE_CAN_HIERARCHY_AUTO |
|
||||
FE_CAN_MUTE_TS |
|
||||
FE_CAN_2G_MODULATION |
|
||||
FE_CAN_MULTISTREAM
|
||||
FE_CAN_2G_MODULATION
|
||||
},
|
||||
|
||||
.get_tune_settings = mn88473_get_tune_settings,
|
||||
|
|
@ -385,7 +448,7 @@ static int mn88473_probe(struct i2c_client *client,
|
|||
struct mn88473_config *config = client->dev.platform_data;
|
||||
struct mn88473_dev *dev;
|
||||
int ret;
|
||||
unsigned int utmp;
|
||||
unsigned int uitmp;
|
||||
static const struct regmap_config regmap_config = {
|
||||
.reg_bits = 8,
|
||||
.val_bits = 8,
|
||||
|
|
@ -393,7 +456,7 @@ static int mn88473_probe(struct i2c_client *client,
|
|||
|
||||
dev_dbg(&client->dev, "\n");
|
||||
|
||||
/* Caller really need to provide pointer for frontend we create. */
|
||||
/* Caller really need to provide pointer for frontend we create */
|
||||
if (config->fe == NULL) {
|
||||
dev_err(&client->dev, "frontend pointer not defined\n");
|
||||
ret = -EINVAL;
|
||||
|
|
@ -406,11 +469,15 @@ static int mn88473_probe(struct i2c_client *client,
|
|||
goto err;
|
||||
}
|
||||
|
||||
if (config->i2c_wr_max)
|
||||
dev->i2c_wr_max = config->i2c_wr_max;
|
||||
if (!config->xtal)
|
||||
dev->xtal = 25000000;
|
||||
else
|
||||
dev->xtal = config->xtal;
|
||||
dev->i2c_wr_max = ~0;
|
||||
|
||||
if (config->xtal)
|
||||
dev->clk = config->xtal;
|
||||
else
|
||||
dev->clk = 25000000;
|
||||
dev->client[0] = client;
|
||||
dev->regmap[0] = regmap_init_i2c(dev->client[0], ®map_config);
|
||||
if (IS_ERR(dev->regmap[0])) {
|
||||
|
|
@ -418,15 +485,25 @@ static int mn88473_probe(struct i2c_client *client,
|
|||
goto err_kfree;
|
||||
}
|
||||
|
||||
/* check demod answers to I2C */
|
||||
ret = regmap_read(dev->regmap[0], 0x00, &utmp);
|
||||
/* Check demod answers with correct chip id */
|
||||
ret = regmap_read(dev->regmap[0], 0xff, &uitmp);
|
||||
if (ret)
|
||||
goto err_regmap_0_regmap_exit;
|
||||
|
||||
dev_dbg(&client->dev, "chip id=%02x\n", uitmp);
|
||||
|
||||
if (uitmp != 0x03) {
|
||||
ret = -ENODEV;
|
||||
goto err_regmap_0_regmap_exit;
|
||||
}
|
||||
|
||||
/*
|
||||
* Chip has three I2C addresses for different register pages. Used
|
||||
* Chip has three I2C addresses for different register banks. Used
|
||||
* addresses are 0x18, 0x1a and 0x1c. We register two dummy clients,
|
||||
* 0x1a and 0x1c, in order to get own I2C client for each register page.
|
||||
* 0x1a and 0x1c, in order to get own I2C client for each register bank.
|
||||
*
|
||||
* Also, register bank 2 do not support sequential I/O. Only single
|
||||
* register write or read is allowed to that bank.
|
||||
*/
|
||||
dev->client[1] = i2c_new_dummy(client->adapter, 0x1a);
|
||||
if (dev->client[1] == NULL) {
|
||||
|
|
@ -456,13 +533,19 @@ static int mn88473_probe(struct i2c_client *client,
|
|||
}
|
||||
i2c_set_clientdata(dev->client[2], dev);
|
||||
|
||||
/* create dvb_frontend */
|
||||
memcpy(&dev->fe.ops, &mn88473_ops, sizeof(struct dvb_frontend_ops));
|
||||
dev->fe.demodulator_priv = client;
|
||||
*config->fe = &dev->fe;
|
||||
/* Sleep because chip is active by default */
|
||||
ret = regmap_write(dev->regmap[2], 0x05, 0x3e);
|
||||
if (ret)
|
||||
goto err_client_2_i2c_unregister_device;
|
||||
|
||||
/* Create dvb frontend */
|
||||
memcpy(&dev->frontend.ops, &mn88473_ops, sizeof(dev->frontend.ops));
|
||||
dev->frontend.demodulator_priv = client;
|
||||
*config->fe = &dev->frontend;
|
||||
i2c_set_clientdata(client, dev);
|
||||
|
||||
dev_info(&dev->client[0]->dev, "Panasonic MN88473 successfully attached\n");
|
||||
dev_info(&client->dev, "Panasonic MN88473 successfully identified\n");
|
||||
|
||||
return 0;
|
||||
|
||||
err_client_2_i2c_unregister_device:
|
||||
|
|
@ -508,6 +591,7 @@ MODULE_DEVICE_TABLE(i2c, mn88473_id_table);
|
|||
static struct i2c_driver mn88473_driver = {
|
||||
.driver = {
|
||||
.name = "mn88473",
|
||||
.suppress_bind_attrs = true,
|
||||
},
|
||||
.probe = mn88473_probe,
|
||||
.remove = mn88473_remove,
|
||||
|
|
|
|||
|
|
@ -22,10 +22,16 @@
|
|||
struct mn88473_config {
|
||||
/*
|
||||
* Max num of bytes given I2C adapter could write at once.
|
||||
* Default: none
|
||||
* Default: unlimited
|
||||
*/
|
||||
u16 i2c_wr_max;
|
||||
|
||||
/*
|
||||
* Xtal frequency Hz.
|
||||
* Default: 25000000
|
||||
*/
|
||||
u32 xtal;
|
||||
|
||||
|
||||
/* Everything after that is returned by the driver. */
|
||||
|
||||
|
|
@ -33,12 +39,6 @@ struct mn88473_config {
|
|||
* DVB frontend.
|
||||
*/
|
||||
struct dvb_frontend **fe;
|
||||
|
||||
/*
|
||||
* Xtal frequency.
|
||||
* Hz
|
||||
*/
|
||||
u32 xtal;
|
||||
};
|
||||
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -27,11 +27,10 @@
|
|||
struct mn88473_dev {
|
||||
struct i2c_client *client[3];
|
||||
struct regmap *regmap[3];
|
||||
struct dvb_frontend fe;
|
||||
struct dvb_frontend frontend;
|
||||
u16 i2c_wr_max;
|
||||
enum fe_delivery_system delivery_system;
|
||||
bool warm; /* FW running */
|
||||
u32 xtal;
|
||||
bool active;
|
||||
u32 clk;
|
||||
};
|
||||
|
||||
#endif
|
||||
|
|
|
|||
Loading…
Reference in a new issue