mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-17 17:24:17 +08:00
[media] mn88472: finalize driver
Finalize driver in order to move out of staging. Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Antti Palosaari
Mauro Carvalho Chehab
parent
eb7e61b62d
commit
8d1f38fcb7
@ -19,23 +19,33 @@
|
||||
|
||||
#include <linux/dvb/frontend.h>
|
||||
|
||||
enum ts_clock {
|
||||
VARIABLE_TS_CLOCK,
|
||||
FIXED_TS_CLOCK,
|
||||
};
|
||||
/**
|
||||
* struct mn88472_config - Platform data for the mn88472 driver
|
||||
* @xtal: Clock frequency.
|
||||
* @ts_mode: TS mode.
|
||||
* @ts_clock: TS clock config.
|
||||
* @i2c_wr_max: Max number of bytes driver writes to I2C at once.
|
||||
* @get_dvb_frontend: Get DVB frontend.
|
||||
*/
|
||||
|
||||
enum ts_mode {
|
||||
SERIAL_TS_MODE,
|
||||
PARALLEL_TS_MODE,
|
||||
};
|
||||
/* Define old names for backward compatibility */
|
||||
#define VARIABLE_TS_CLOCK MN88472_TS_CLK_VARIABLE
|
||||
#define FIXED_TS_CLOCK MN88472_TS_CLK_FIXED
|
||||
#define SERIAL_TS_MODE MN88472_TS_MODE_SERIAL
|
||||
#define PARALLEL_TS_MODE MN88472_TS_MODE_PARALLEL
|
||||
|
||||
struct mn88472_config {
|
||||
/*
|
||||
* Max num of bytes given I2C adapter could write at once.
|
||||
* Default: none
|
||||
*/
|
||||
u16 i2c_wr_max;
|
||||
unsigned int xtal;
|
||||
|
||||
#define MN88472_TS_MODE_SERIAL 0
|
||||
#define MN88472_TS_MODE_PARALLEL 1
|
||||
int ts_mode;
|
||||
|
||||
#define MN88472_TS_CLK_FIXED 0
|
||||
#define MN88472_TS_CLK_VARIABLE 1
|
||||
int ts_clock;
|
||||
|
||||
u16 i2c_wr_max;
|
||||
|
||||
/* Everything after that is returned by the driver. */
|
||||
|
||||
@ -43,14 +53,7 @@ struct mn88472_config {
|
||||
* DVB frontend.
|
||||
*/
|
||||
struct dvb_frontend **fe;
|
||||
|
||||
/*
|
||||
* Xtal frequency.
|
||||
* Hz
|
||||
*/
|
||||
u32 xtal;
|
||||
int ts_mode;
|
||||
int ts_clock;
|
||||
struct dvb_frontend* (*get_dvb_frontend)(struct i2c_client *);
|
||||
};
|
||||
|
||||
#endif
|
||||
|
||||
@ -17,28 +17,90 @@
|
||||
#include "mn88472_priv.h"
|
||||
|
||||
static int mn88472_get_tune_settings(struct dvb_frontend *fe,
|
||||
struct dvb_frontend_tune_settings *s)
|
||||
struct dvb_frontend_tune_settings *s)
|
||||
{
|
||||
s->min_delay_ms = 800;
|
||||
s->min_delay_ms = 1000;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int mn88472_read_status(struct dvb_frontend *fe, enum fe_status *status)
|
||||
{
|
||||
struct i2c_client *client = fe->demodulator_priv;
|
||||
struct mn88472_dev *dev = i2c_get_clientdata(client);
|
||||
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
|
||||
int ret;
|
||||
unsigned int utmp;
|
||||
|
||||
if (!dev->active) {
|
||||
ret = -EAGAIN;
|
||||
goto err;
|
||||
}
|
||||
|
||||
switch (c->delivery_system) {
|
||||
case SYS_DVBT:
|
||||
ret = regmap_read(dev->regmap[0], 0x7f, &utmp);
|
||||
if (ret)
|
||||
goto err;
|
||||
if ((utmp & 0x0f) >= 0x09)
|
||||
*status = FE_HAS_SIGNAL | FE_HAS_CARRIER |
|
||||
FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK;
|
||||
else
|
||||
*status = 0;
|
||||
break;
|
||||
case SYS_DVBT2:
|
||||
ret = regmap_read(dev->regmap[2], 0x92, &utmp);
|
||||
if (ret)
|
||||
goto err;
|
||||
if ((utmp & 0x0f) >= 0x0d)
|
||||
*status = FE_HAS_SIGNAL | FE_HAS_CARRIER |
|
||||
FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK;
|
||||
else if ((utmp & 0x0f) >= 0x0a)
|
||||
*status = FE_HAS_SIGNAL | FE_HAS_CARRIER |
|
||||
FE_HAS_VITERBI;
|
||||
else if ((utmp & 0x0f) >= 0x07)
|
||||
*status = FE_HAS_SIGNAL | FE_HAS_CARRIER;
|
||||
else
|
||||
*status = 0;
|
||||
break;
|
||||
case SYS_DVBC_ANNEX_A:
|
||||
ret = regmap_read(dev->regmap[1], 0x84, &utmp);
|
||||
if (ret)
|
||||
goto err;
|
||||
if ((utmp & 0x0f) >= 0x08)
|
||||
*status = FE_HAS_SIGNAL | FE_HAS_CARRIER |
|
||||
FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK;
|
||||
else
|
||||
*status = 0;
|
||||
break;
|
||||
default:
|
||||
ret = -EINVAL;
|
||||
goto err;
|
||||
}
|
||||
|
||||
return 0;
|
||||
err:
|
||||
dev_dbg(&client->dev, "failed=%d\n", ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int mn88472_set_frontend(struct dvb_frontend *fe)
|
||||
{
|
||||
struct i2c_client *client = fe->demodulator_priv;
|
||||
struct mn88472_dev *dev = i2c_get_clientdata(client);
|
||||
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
|
||||
int ret, i;
|
||||
u32 if_frequency = 0;
|
||||
u64 tmp;
|
||||
u8 delivery_system_val, if_val[3], bw_val[7], bw_val2;
|
||||
unsigned int utmp;
|
||||
u32 if_frequency;
|
||||
u8 buf[3], delivery_system_val, bandwidth_val, *bandwidth_vals_ptr;
|
||||
u8 reg_bank0_b4_val, reg_bank0_cd_val, reg_bank0_d4_val;
|
||||
u8 reg_bank0_d6_val;
|
||||
|
||||
dev_dbg(&client->dev,
|
||||
"delivery_system=%d modulation=%d frequency=%d symbol_rate=%d inversion=%d\n",
|
||||
c->delivery_system, c->modulation,
|
||||
c->frequency, c->symbol_rate, c->inversion);
|
||||
"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);
|
||||
|
||||
if (!dev->warm) {
|
||||
if (!dev->active) {
|
||||
ret = -EAGAIN;
|
||||
goto err;
|
||||
}
|
||||
@ -46,39 +108,64 @@ static int mn88472_set_frontend(struct dvb_frontend *fe)
|
||||
switch (c->delivery_system) {
|
||||
case SYS_DVBT:
|
||||
delivery_system_val = 0x02;
|
||||
reg_bank0_b4_val = 0x00;
|
||||
reg_bank0_cd_val = 0x1f;
|
||||
reg_bank0_d4_val = 0x0a;
|
||||
reg_bank0_d6_val = 0x48;
|
||||
break;
|
||||
case SYS_DVBT2:
|
||||
delivery_system_val = 0x03;
|
||||
reg_bank0_b4_val = 0xf6;
|
||||
reg_bank0_cd_val = 0x01;
|
||||
reg_bank0_d4_val = 0x09;
|
||||
reg_bank0_d6_val = 0x46;
|
||||
break;
|
||||
case SYS_DVBC_ANNEX_A:
|
||||
delivery_system_val = 0x04;
|
||||
reg_bank0_b4_val = 0x00;
|
||||
reg_bank0_cd_val = 0x17;
|
||||
reg_bank0_d4_val = 0x09;
|
||||
reg_bank0_d6_val = 0x48;
|
||||
break;
|
||||
default:
|
||||
ret = -EINVAL;
|
||||
goto err;
|
||||
}
|
||||
|
||||
if (c->bandwidth_hz <= 5000000) {
|
||||
memcpy(bw_val, "\xe5\x99\x9a\x1b\xa9\x1b\xa9", 7);
|
||||
bw_val2 = 0x03;
|
||||
} else if (c->bandwidth_hz <= 6000000) {
|
||||
/* IF 3570000 Hz, BW 6000000 Hz */
|
||||
memcpy(bw_val, "\xbf\x55\x55\x15\x6b\x15\x6b", 7);
|
||||
bw_val2 = 0x02;
|
||||
} else if (c->bandwidth_hz <= 7000000) {
|
||||
/* IF 4570000 Hz, BW 7000000 Hz */
|
||||
memcpy(bw_val, "\xa4\x00\x00\x0f\x2c\x0f\x2c", 7);
|
||||
bw_val2 = 0x01;
|
||||
} else if (c->bandwidth_hz <= 8000000) {
|
||||
/* IF 4570000 Hz, BW 8000000 Hz */
|
||||
memcpy(bw_val, "\x8f\x80\x00\x08\xee\x08\xee", 7);
|
||||
bw_val2 = 0x00;
|
||||
} else {
|
||||
ret = -EINVAL;
|
||||
goto err;
|
||||
switch (c->delivery_system) {
|
||||
case SYS_DVBT:
|
||||
case SYS_DVBT2:
|
||||
switch (c->bandwidth_hz) {
|
||||
case 5000000:
|
||||
bandwidth_vals_ptr = "\xe5\x99\x9a\x1b\xa9\x1b\xa9";
|
||||
bandwidth_val = 0x03;
|
||||
break;
|
||||
case 6000000:
|
||||
bandwidth_vals_ptr = "\xbf\x55\x55\x15\x6b\x15\x6b";
|
||||
bandwidth_val = 0x02;
|
||||
break;
|
||||
case 7000000:
|
||||
bandwidth_vals_ptr = "\xa4\x00\x00\x0f\x2c\x0f\x2c";
|
||||
bandwidth_val = 0x01;
|
||||
break;
|
||||
case 8000000:
|
||||
bandwidth_vals_ptr = "\x8f\x80\x00\x08\xee\x08\xee";
|
||||
bandwidth_val = 0x00;
|
||||
break;
|
||||
default:
|
||||
ret = -EINVAL;
|
||||
goto err;
|
||||
}
|
||||
break;
|
||||
case SYS_DVBC_ANNEX_A:
|
||||
bandwidth_vals_ptr = NULL;
|
||||
bandwidth_val = 0x00;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
/* program tuner */
|
||||
/* Program tuner */
|
||||
if (fe->ops.tuner_ops.set_params) {
|
||||
ret = fe->ops.tuner_ops.set_params(fe);
|
||||
if (ret)
|
||||
@ -91,20 +178,10 @@ static int mn88472_set_frontend(struct dvb_frontend *fe)
|
||||
goto err;
|
||||
|
||||
dev_dbg(&client->dev, "get_if_frequency=%d\n", if_frequency);
|
||||
}
|
||||
|
||||
/* 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;
|
||||
|
||||
ret = regmap_write(dev->regmap[2], 0xfb, 0x13);
|
||||
ret = regmap_write(dev->regmap[2], 0xef, 0x13);
|
||||
ret = regmap_write(dev->regmap[2], 0xf9, 0x13);
|
||||
if (ret)
|
||||
} else {
|
||||
ret = -EINVAL;
|
||||
goto err;
|
||||
}
|
||||
|
||||
ret = regmap_write(dev->regmap[2], 0x00, 0x66);
|
||||
if (ret)
|
||||
@ -118,157 +195,81 @@ static int mn88472_set_frontend(struct dvb_frontend *fe)
|
||||
ret = regmap_write(dev->regmap[2], 0x03, delivery_system_val);
|
||||
if (ret)
|
||||
goto err;
|
||||
ret = regmap_write(dev->regmap[2], 0x04, bw_val2);
|
||||
ret = regmap_write(dev->regmap[2], 0x04, bandwidth_val);
|
||||
if (ret)
|
||||
goto err;
|
||||
|
||||
for (i = 0; i < sizeof(if_val); i++) {
|
||||
ret = regmap_write(dev->regmap[2], 0x10 + i, if_val[i]);
|
||||
/* IF */
|
||||
utmp = DIV_ROUND_CLOSEST_ULL((u64)if_frequency * 0x1000000, dev->clk);
|
||||
buf[0] = (utmp >> 16) & 0xff;
|
||||
buf[1] = (utmp >> 8) & 0xff;
|
||||
buf[2] = (utmp >> 0) & 0xff;
|
||||
for (i = 0; i < 3; i++) {
|
||||
ret = regmap_write(dev->regmap[2], 0x10 + i, buf[i]);
|
||||
if (ret)
|
||||
goto err;
|
||||
}
|
||||
|
||||
for (i = 0; i < sizeof(bw_val); i++) {
|
||||
ret = regmap_write(dev->regmap[2], 0x13 + i, bw_val[i]);
|
||||
if (ret)
|
||||
goto err;
|
||||
/* Bandwidth */
|
||||
if (bandwidth_vals_ptr) {
|
||||
for (i = 0; i < 7; i++) {
|
||||
ret = regmap_write(dev->regmap[2], 0x13 + i,
|
||||
bandwidth_vals_ptr[i]);
|
||||
if (ret)
|
||||
goto err;
|
||||
}
|
||||
}
|
||||
|
||||
ret = regmap_write(dev->regmap[0], 0xb4, reg_bank0_b4_val);
|
||||
if (ret)
|
||||
goto err;
|
||||
ret = regmap_write(dev->regmap[0], 0xcd, reg_bank0_cd_val);
|
||||
if (ret)
|
||||
goto err;
|
||||
ret = regmap_write(dev->regmap[0], 0xd4, reg_bank0_d4_val);
|
||||
if (ret)
|
||||
goto err;
|
||||
ret = regmap_write(dev->regmap[0], 0xd6, reg_bank0_d6_val);
|
||||
if (ret)
|
||||
goto err;
|
||||
|
||||
switch (c->delivery_system) {
|
||||
case SYS_DVBT:
|
||||
ret = regmap_write(dev->regmap[0], 0x07, 0x26);
|
||||
ret = regmap_write(dev->regmap[0], 0xb0, 0x0a);
|
||||
ret = regmap_write(dev->regmap[0], 0xb4, 0x00);
|
||||
ret = regmap_write(dev->regmap[0], 0xcd, 0x1f);
|
||||
ret = regmap_write(dev->regmap[0], 0xd4, 0x0a);
|
||||
ret = regmap_write(dev->regmap[0], 0xd6, 0x48);
|
||||
if (ret)
|
||||
goto err;
|
||||
ret = regmap_write(dev->regmap[0], 0x00, 0xba);
|
||||
if (ret)
|
||||
goto err;
|
||||
ret = regmap_write(dev->regmap[0], 0x01, 0x13);
|
||||
if (ret)
|
||||
goto err;
|
||||
break;
|
||||
case SYS_DVBT2:
|
||||
ret = regmap_write(dev->regmap[2], 0x2b, 0x13);
|
||||
if (ret)
|
||||
goto err;
|
||||
ret = regmap_write(dev->regmap[2], 0x4f, 0x05);
|
||||
if (ret)
|
||||
goto err;
|
||||
ret = regmap_write(dev->regmap[1], 0xf6, 0x05);
|
||||
ret = regmap_write(dev->regmap[0], 0xb0, 0x0a);
|
||||
ret = regmap_write(dev->regmap[0], 0xb4, 0xf6);
|
||||
ret = regmap_write(dev->regmap[0], 0xcd, 0x01);
|
||||
ret = regmap_write(dev->regmap[0], 0xd4, 0x09);
|
||||
ret = regmap_write(dev->regmap[0], 0xd6, 0x46);
|
||||
ret = regmap_write(dev->regmap[2], 0x30, 0x80);
|
||||
ret = regmap_write(dev->regmap[2], 0x32, 0x00);
|
||||
if (ret)
|
||||
goto err;
|
||||
ret = regmap_write(dev->regmap[2], 0x32, c->stream_id);
|
||||
if (ret)
|
||||
goto err;
|
||||
break;
|
||||
case SYS_DVBC_ANNEX_A:
|
||||
ret = regmap_write(dev->regmap[0], 0xb0, 0x0b);
|
||||
ret = regmap_write(dev->regmap[0], 0xb4, 0x00);
|
||||
ret = regmap_write(dev->regmap[0], 0xcd, 0x17);
|
||||
ret = regmap_write(dev->regmap[0], 0xd4, 0x09);
|
||||
ret = regmap_write(dev->regmap[0], 0xd6, 0x48);
|
||||
ret = regmap_write(dev->regmap[1], 0x00, 0xb0);
|
||||
if (ret)
|
||||
goto err;
|
||||
break;
|
||||
default:
|
||||
ret = -EINVAL;
|
||||
goto err;
|
||||
break;
|
||||
}
|
||||
|
||||
ret = regmap_write(dev->regmap[0], 0x46, 0x00);
|
||||
ret = regmap_write(dev->regmap[0], 0xae, 0x00);
|
||||
|
||||
switch (dev->ts_mode) {
|
||||
case SERIAL_TS_MODE:
|
||||
ret = regmap_write(dev->regmap[2], 0x08, 0x1d);
|
||||
break;
|
||||
case PARALLEL_TS_MODE:
|
||||
ret = regmap_write(dev->regmap[2], 0x08, 0x00);
|
||||
break;
|
||||
default:
|
||||
dev_dbg(&client->dev, "ts_mode error: %d\n", dev->ts_mode);
|
||||
ret = -EINVAL;
|
||||
goto err;
|
||||
}
|
||||
|
||||
switch (dev->ts_clock) {
|
||||
case VARIABLE_TS_CLOCK:
|
||||
ret = regmap_write(dev->regmap[0], 0xd9, 0xe3);
|
||||
break;
|
||||
case FIXED_TS_CLOCK:
|
||||
ret = regmap_write(dev->regmap[0], 0xd9, 0xe1);
|
||||
break;
|
||||
default:
|
||||
dev_dbg(&client->dev, "ts_clock error: %d\n", dev->ts_clock);
|
||||
ret = -EINVAL;
|
||||
goto err;
|
||||
}
|
||||
|
||||
/* Reset demod */
|
||||
/* Reset FSM */
|
||||
ret = regmap_write(dev->regmap[2], 0xf8, 0x9f);
|
||||
if (ret)
|
||||
goto err;
|
||||
|
||||
dev->delivery_system = c->delivery_system;
|
||||
|
||||
return 0;
|
||||
err:
|
||||
dev_dbg(&client->dev, "failed=%d\n", ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int mn88472_read_status(struct dvb_frontend *fe, enum fe_status *status)
|
||||
{
|
||||
struct i2c_client *client = fe->demodulator_priv;
|
||||
struct mn88472_dev *dev = i2c_get_clientdata(client);
|
||||
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
|
||||
int ret;
|
||||
unsigned int utmp;
|
||||
int lock = 0;
|
||||
|
||||
*status = 0;
|
||||
|
||||
if (!dev->warm) {
|
||||
ret = -EAGAIN;
|
||||
goto err;
|
||||
}
|
||||
|
||||
switch (c->delivery_system) {
|
||||
case SYS_DVBT:
|
||||
ret = regmap_read(dev->regmap[0], 0x7F, &utmp);
|
||||
if (ret)
|
||||
goto err;
|
||||
if ((utmp & 0xF) >= 0x09)
|
||||
lock = 1;
|
||||
break;
|
||||
case SYS_DVBT2:
|
||||
ret = regmap_read(dev->regmap[2], 0x92, &utmp);
|
||||
if (ret)
|
||||
goto err;
|
||||
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;
|
||||
break;
|
||||
case SYS_DVBC_ANNEX_A:
|
||||
ret = regmap_read(dev->regmap[1], 0x84, &utmp);
|
||||
if (ret)
|
||||
goto err;
|
||||
if ((utmp & 0xF) >= 0x08)
|
||||
lock = 1;
|
||||
break;
|
||||
default:
|
||||
ret = -EINVAL;
|
||||
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);
|
||||
@ -279,93 +280,107 @@ static int mn88472_init(struct dvb_frontend *fe)
|
||||
{
|
||||
struct i2c_client *client = fe->demodulator_priv;
|
||||
struct mn88472_dev *dev = i2c_get_clientdata(client);
|
||||
int ret, len, remaining;
|
||||
const struct firmware *fw = NULL;
|
||||
u8 *fw_file = MN88472_FIRMWARE;
|
||||
unsigned int tmp;
|
||||
int ret, len, rem;
|
||||
unsigned int utmp;
|
||||
const struct firmware *firmware;
|
||||
const char *name = MN88472_FIRMWARE;
|
||||
|
||||
dev_dbg(&client->dev, "\n");
|
||||
|
||||
/* set cold state by default */
|
||||
dev->warm = false;
|
||||
|
||||
/* power on */
|
||||
/* Power up */
|
||||
ret = regmap_write(dev->regmap[2], 0x05, 0x00);
|
||||
if (ret)
|
||||
goto err;
|
||||
|
||||
ret = regmap_bulk_write(dev->regmap[2], 0x0b, "\x00\x00", 2);
|
||||
ret = regmap_write(dev->regmap[2], 0x0b, 0x00);
|
||||
if (ret)
|
||||
goto err;
|
||||
ret = regmap_write(dev->regmap[2], 0x0c, 0x00);
|
||||
if (ret)
|
||||
goto err;
|
||||
|
||||
/* 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, &utmp);
|
||||
if (ret)
|
||||
goto err;
|
||||
if (!(utmp & 0x01))
|
||||
goto warm;
|
||||
|
||||
if (!(tmp & 0x1)) {
|
||||
dev_info(&client->dev, "firmware already running\n");
|
||||
dev->warm = true;
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* request the firmware, this will block and timeout */
|
||||
ret = request_firmware(&fw, fw_file, &client->dev);
|
||||
ret = request_firmware(&firmware, name, &client->dev);
|
||||
if (ret) {
|
||||
dev_err(&client->dev, "firmware file '%s' not found\n",
|
||||
fw_file);
|
||||
dev_err(&client->dev, "firmware 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 firmware_release;
|
||||
|
||||
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 (rem = firmware->size; rem > 0; rem -= (dev->i2c_write_max - 1)) {
|
||||
len = min(dev->i2c_write_max - 1, rem);
|
||||
ret = regmap_bulk_write(dev->regmap[0], 0xf6,
|
||||
&fw->data[fw->size - remaining], len);
|
||||
&firmware->data[firmware->size - rem],
|
||||
len);
|
||||
if (ret) {
|
||||
dev_err(&client->dev,
|
||||
"firmware download failed=%d\n", ret);
|
||||
goto firmware_release;
|
||||
dev_err(&client->dev, "firmware download failed %d\n",
|
||||
ret);
|
||||
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);
|
||||
goto firmware_release;
|
||||
/* Parity check of firmware */
|
||||
ret = regmap_read(dev->regmap[0], 0xf8, &utmp);
|
||||
if (ret)
|
||||
goto err_release_firmware;
|
||||
if (utmp & 0x10) {
|
||||
ret = -EINVAL;
|
||||
dev_err(&client->dev, "firmware did not run\n");
|
||||
goto err_release_firmware;
|
||||
}
|
||||
if (tmp & 0x10) {
|
||||
dev_err(&client->dev,
|
||||
"firmware parity check failed=0x%x\n", tmp);
|
||||
goto firmware_release;
|
||||
}
|
||||
dev_err(&client->dev, "firmware parity check succeeded=0x%x\n", tmp);
|
||||
|
||||
ret = regmap_write(dev->regmap[0], 0xf5, 0x00);
|
||||
if (ret)
|
||||
goto firmware_release;
|
||||
goto err_release_firmware;
|
||||
|
||||
release_firmware(fw);
|
||||
fw = NULL;
|
||||
release_firmware(firmware);
|
||||
warm:
|
||||
/* TS config */
|
||||
switch (dev->ts_mode) {
|
||||
case SERIAL_TS_MODE:
|
||||
utmp = 0x1d;
|
||||
break;
|
||||
case PARALLEL_TS_MODE:
|
||||
utmp = 0x00;
|
||||
break;
|
||||
default:
|
||||
ret = -EINVAL;
|
||||
goto err;
|
||||
}
|
||||
ret = regmap_write(dev->regmap[2], 0x08, utmp);
|
||||
if (ret)
|
||||
goto err;
|
||||
|
||||
/* warm state */
|
||||
dev->warm = true;
|
||||
switch (dev->ts_clk) {
|
||||
case VARIABLE_TS_CLOCK:
|
||||
utmp = 0xe3;
|
||||
break;
|
||||
case FIXED_TS_CLOCK:
|
||||
utmp = 0xe1;
|
||||
break;
|
||||
default:
|
||||
ret = -EINVAL;
|
||||
goto err;
|
||||
}
|
||||
ret = regmap_write(dev->regmap[0], 0xd9, utmp);
|
||||
if (ret)
|
||||
goto err;
|
||||
|
||||
dev->active = true;
|
||||
|
||||
return 0;
|
||||
firmware_release:
|
||||
release_firmware(fw);
|
||||
err_release_firmware:
|
||||
release_firmware(firmware);
|
||||
err:
|
||||
dev_dbg(&client->dev, "failed=%d\n", ret);
|
||||
return ret;
|
||||
@ -379,18 +394,17 @@ static int mn88472_sleep(struct dvb_frontend *fe)
|
||||
|
||||
dev_dbg(&client->dev, "\n");
|
||||
|
||||
/* power off */
|
||||
ret = regmap_write(dev->regmap[2], 0x0b, 0x30);
|
||||
|
||||
/* Power down */
|
||||
ret = regmap_write(dev->regmap[2], 0x0c, 0x30);
|
||||
if (ret)
|
||||
goto err;
|
||||
ret = regmap_write(dev->regmap[2], 0x0b, 0x30);
|
||||
if (ret)
|
||||
goto err;
|
||||
|
||||
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);
|
||||
@ -434,10 +448,19 @@ static struct dvb_frontend_ops mn88472_ops = {
|
||||
.read_status = mn88472_read_status,
|
||||
};
|
||||
|
||||
static int mn88472_probe(struct i2c_client *client,
|
||||
const struct i2c_device_id *id)
|
||||
static struct dvb_frontend *mn88472_get_dvb_frontend(struct i2c_client *client)
|
||||
{
|
||||
struct mn88472_config *config = client->dev.platform_data;
|
||||
struct mn88472_dev *dev = i2c_get_clientdata(client);
|
||||
|
||||
dev_dbg(&client->dev, "\n");
|
||||
|
||||
return &dev->fe;
|
||||
}
|
||||
|
||||
static int mn88472_probe(struct i2c_client *client,
|
||||
const struct i2c_device_id *id)
|
||||
{
|
||||
struct mn88472_config *pdata = client->dev.platform_data;
|
||||
struct mn88472_dev *dev;
|
||||
int ret;
|
||||
unsigned int utmp;
|
||||
@ -448,23 +471,16 @@ static int mn88472_probe(struct i2c_client *client,
|
||||
|
||||
dev_dbg(&client->dev, "\n");
|
||||
|
||||
/* 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;
|
||||
goto err;
|
||||
}
|
||||
|
||||
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
|
||||
if (!dev) {
|
||||
ret = -ENOMEM;
|
||||
goto err;
|
||||
}
|
||||
|
||||
dev->i2c_wr_max = config->i2c_wr_max;
|
||||
dev->xtal = config->xtal;
|
||||
dev->ts_mode = config->ts_mode;
|
||||
dev->ts_clock = config->ts_clock;
|
||||
dev->i2c_write_max = pdata->i2c_wr_max ? pdata->i2c_wr_max : ~0;
|
||||
dev->clk = pdata->xtal;
|
||||
dev->ts_mode = pdata->ts_mode;
|
||||
dev->ts_clk = pdata->ts_clock;
|
||||
dev->client[0] = client;
|
||||
dev->regmap[0] = regmap_init_i2c(dev->client[0], ®map_config);
|
||||
if (IS_ERR(dev->regmap[0])) {
|
||||
@ -472,15 +488,25 @@ static int mn88472_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, &utmp);
|
||||
if (ret)
|
||||
goto err_regmap_0_regmap_exit;
|
||||
|
||||
dev_dbg(&client->dev, "chip id=%02x\n", utmp);
|
||||
|
||||
if (utmp != 0x02) {
|
||||
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]) {
|
||||
@ -510,15 +536,25 @@ static int mn88472_probe(struct i2c_client *client,
|
||||
}
|
||||
i2c_set_clientdata(dev->client[2], dev);
|
||||
|
||||
/* create dvb_frontend */
|
||||
/* Sleep because chip is active by default */
|
||||
ret = regmap_write(dev->regmap[2], 0x05, 0x3e);
|
||||
if (ret)
|
||||
goto err_regmap_2_regmap_exit;
|
||||
|
||||
/* Create dvb frontend */
|
||||
memcpy(&dev->fe.ops, &mn88472_ops, sizeof(struct dvb_frontend_ops));
|
||||
dev->fe.demodulator_priv = client;
|
||||
*config->fe = &dev->fe;
|
||||
*pdata->fe = &dev->fe;
|
||||
i2c_set_clientdata(client, dev);
|
||||
|
||||
dev_info(&client->dev, "Panasonic MN88472 successfully attached\n");
|
||||
return 0;
|
||||
/* Setup callbacks */
|
||||
pdata->get_dvb_frontend = mn88472_get_dvb_frontend;
|
||||
|
||||
dev_info(&client->dev, "Panasonic MN88472 successfully identified\n");
|
||||
|
||||
return 0;
|
||||
err_regmap_2_regmap_exit:
|
||||
regmap_exit(dev->regmap[2]);
|
||||
err_client_2_i2c_unregister_device:
|
||||
i2c_unregister_device(dev->client[2]);
|
||||
err_regmap_1_regmap_exit:
|
||||
@ -561,11 +597,12 @@ MODULE_DEVICE_TABLE(i2c, mn88472_id_table);
|
||||
|
||||
static struct i2c_driver mn88472_driver = {
|
||||
.driver = {
|
||||
.name = "mn88472",
|
||||
.name = "mn88472",
|
||||
.suppress_bind_attrs = true,
|
||||
},
|
||||
.probe = mn88472_probe,
|
||||
.remove = mn88472_remove,
|
||||
.id_table = mn88472_id_table,
|
||||
.probe = mn88472_probe,
|
||||
.remove = mn88472_remove,
|
||||
.id_table = mn88472_id_table,
|
||||
};
|
||||
|
||||
module_i2c_driver(mn88472_driver);
|
||||
|
||||
@ -28,12 +28,11 @@ struct mn88472_dev {
|
||||
struct i2c_client *client[3];
|
||||
struct regmap *regmap[3];
|
||||
struct dvb_frontend fe;
|
||||
u16 i2c_wr_max;
|
||||
enum fe_delivery_system delivery_system;
|
||||
bool warm; /* FW running */
|
||||
u32 xtal;
|
||||
int ts_mode;
|
||||
int ts_clock;
|
||||
u16 i2c_write_max;
|
||||
unsigned int clk;
|
||||
unsigned int active:1;
|
||||
unsigned int ts_mode:1;
|
||||
unsigned int ts_clk:1;
|
||||
};
|
||||
|
||||
#endif
|
||||
|
||||
Loading…
Reference in New Issue
Block a user