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kernel_linux
提交 bd01c766 编写于 作者: A Antti Palosaari 提交者： Mauro Carvalho Chehab
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[media] si2168: rename device state variable from 's' to 'dev' 

'dev' is most common name in kernel for structure containing device
state instance, so rename it.
Signed-off-by: NAntti Palosaari <crope@iki.fi>
Signed-off-by: NMauro Carvalho Chehab <mchehab@osg.samsung.com>
上级 f1ecc5d1
隐藏空白更改
内联 并排
Showing with 102 addition and 102 deletion
drivers/media/dvb-frontends/si2168.c
浏览文件 @ bd01c766
......@@ -19,16 +19,16 @@
static const struct dvb_frontend_ops si2168_ops;
/* execute firmware command */
static int si2168_cmd_execute(struct si2168 *s, struct si2168_cmd *cmd)
static int si2168_cmd_execute(struct si2168_dev *dev, struct si2168_cmd *cmd)
{
int ret;
unsigned long timeout;
mutex_lock(&s->i2c_mutex);
mutex_lock(&dev->i2c_mutex);
if (cmd->wlen) {
/* write cmd and args for firmware */
ret = i2c_master_send(s->client, cmd->args, cmd->wlen);
ret = i2c_master_send(dev->client, cmd->args, cmd->wlen);
if (ret < 0) {
goto err_mutex_unlock;
} else if (ret != cmd->wlen) {
......@@ -42,7 +42,7 @@ static int si2168_cmd_execute(struct si2168 *s, struct si2168_cmd *cmd)
#define TIMEOUT 70
timeout = jiffies + msecs_to_jiffies(TIMEOUT);
while (!time_after(jiffies, timeout)) {
ret = i2c_master_recv(s->client, cmd->args, cmd->rlen);
ret = i2c_master_recv(dev->client, cmd->args, cmd->rlen);
if (ret < 0) {
goto err_mutex_unlock;
} else if (ret != cmd->rlen) {
......@@ -55,7 +55,7 @@ static int si2168_cmd_execute(struct si2168 *s, struct si2168_cmd *cmd)
break;
}
dev_dbg(&s->client->dev, "cmd execution took %d ms\n",
dev_dbg(&dev->client->dev, "cmd execution took %d ms\n",
jiffies_to_msecs(jiffies) -
(jiffies_to_msecs(timeout) - TIMEOUT));
......@@ -68,26 +68,26 @@ static int si2168_cmd_execute(struct si2168 *s, struct si2168_cmd *cmd)
ret = 0;
err_mutex_unlock:
mutex_unlock(&s->i2c_mutex);
mutex_unlock(&dev->i2c_mutex);
if (ret)
goto err;
return 0;
err:
dev_dbg(&s->client->dev, "failed=%d\n", ret);
dev_dbg(&dev->client->dev, "failed=%d\n", ret);
return ret;
}
static int si2168_read_status(struct dvb_frontend *fe, fe_status_t *status)
{
struct si2168 *s = fe->demodulator_priv;
struct si2168_dev *dev = fe->demodulator_priv;
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
int ret;
struct si2168_cmd cmd;
*status = 0;
if (!s->active) {
if (!dev->active) {
ret = -EAGAIN;
goto err;
}
......@@ -113,7 +113,7 @@ static int si2168_read_status(struct dvb_frontend *fe, fe_status_t *status)
goto err;
}
ret = si2168_cmd_execute(s, &cmd);
ret = si2168_cmd_execute(dev, &cmd);
if (ret)
goto err;
......@@ -138,7 +138,7 @@ static int si2168_read_status(struct dvb_frontend *fe, fe_status_t *status)
break;
}
s->fe_status = *status;
dev->fe_status = *status;
if (*status & FE_HAS_LOCK) {
c->cnr.len = 1;
......@@ -149,30 +149,30 @@ static int si2168_read_status(struct dvb_frontend *fe, fe_status_t *status)
c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
}
dev_dbg(&s->client->dev, "status=%02x args=%*ph\n",
dev_dbg(&dev->client->dev, "status=%02x args=%*ph\n",
*status, cmd.rlen, cmd.args);
return 0;
err:
dev_dbg(&s->client->dev, "failed=%d\n", ret);
dev_dbg(&dev->client->dev, "failed=%d\n", ret);
return ret;
}
static int si2168_set_frontend(struct dvb_frontend *fe)
{
struct si2168 *s = fe->demodulator_priv;
struct si2168_dev *dev = fe->demodulator_priv;
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
int ret;
struct si2168_cmd cmd;
u8 bandwidth, delivery_system;
dev_dbg(&s->client->dev,
dev_dbg(&dev->client->dev,
"delivery_system=%u modulation=%u frequency=%u bandwidth_hz=%u symbol_rate=%u inversion=%u, stream_id=%d\n",
c->delivery_system, c->modulation,
c->frequency, c->bandwidth_hz, c->symbol_rate,
c->inversion, c->stream_id);
if (!s->active) {
if (!dev->active) {
ret = -EAGAIN;
goto err;
}
......@@ -217,7 +217,7 @@ static int si2168_set_frontend(struct dvb_frontend *fe)
memcpy(cmd.args, "\x88\x02\x02\x02\x02", 5);
cmd.wlen = 5;
cmd.rlen = 5;
ret = si2168_cmd_execute(s, &cmd);
ret = si2168_cmd_execute(dev, &cmd);
if (ret)
goto err;
......@@ -230,7 +230,7 @@ static int si2168_set_frontend(struct dvb_frontend *fe)
memcpy(cmd.args, "\x89\x21\x06\x11\x89\x20", 6);
cmd.wlen = 6;
cmd.rlen = 3;
ret = si2168_cmd_execute(s, &cmd);
ret = si2168_cmd_execute(dev, &cmd);
if (ret)
goto err;
......@@ -241,7 +241,7 @@ static int si2168_set_frontend(struct dvb_frontend *fe)
cmd.args[2] = c->stream_id == NO_STREAM_ID_FILTER ? 0 : 1;
cmd.wlen = 3;
cmd.rlen = 1;
ret = si2168_cmd_execute(s, &cmd);
ret = si2168_cmd_execute(dev, &cmd);
if (ret)
goto err;
}
......@@ -249,35 +249,35 @@ static int si2168_set_frontend(struct dvb_frontend *fe)
memcpy(cmd.args, "\x51\x03", 2);
cmd.wlen = 2;
cmd.rlen = 12;
ret = si2168_cmd_execute(s, &cmd);
ret = si2168_cmd_execute(dev, &cmd);
if (ret)
goto err;
memcpy(cmd.args, "\x12\x08\x04", 3);
cmd.wlen = 3;
cmd.rlen = 3;
ret = si2168_cmd_execute(s, &cmd);
ret = si2168_cmd_execute(dev, &cmd);
if (ret)
goto err;
memcpy(cmd.args, "\x14\x00\x0c\x10\x12\x00", 6);
cmd.wlen = 6;
cmd.rlen = 4;
ret = si2168_cmd_execute(s, &cmd);
ret = si2168_cmd_execute(dev, &cmd);
if (ret)
goto err;
memcpy(cmd.args, "\x14\x00\x06\x10\x24\x00", 6);
cmd.wlen = 6;
cmd.rlen = 4;
ret = si2168_cmd_execute(s, &cmd);
ret = si2168_cmd_execute(dev, &cmd);
if (ret)
goto err;
memcpy(cmd.args, "\x14\x00\x07\x10\x00\x24", 6);
cmd.wlen = 6;
cmd.rlen = 4;
ret = si2168_cmd_execute(s, &cmd);
ret = si2168_cmd_execute(dev, &cmd);
if (ret)
goto err;
......@@ -285,7 +285,7 @@ static int si2168_set_frontend(struct dvb_frontend *fe)
cmd.args[4] = delivery_system | bandwidth;
cmd.wlen = 6;
cmd.rlen = 4;
ret = si2168_cmd_execute(s, &cmd);
ret = si2168_cmd_execute(dev, &cmd);
if (ret)
goto err;
......@@ -296,7 +296,7 @@ static int si2168_set_frontend(struct dvb_frontend *fe)
cmd.args[5] = ((c->symbol_rate / 1000) >> 8) & 0xff;
cmd.wlen = 6;
cmd.rlen = 4;
ret = si2168_cmd_execute(s, &cmd);
ret = si2168_cmd_execute(dev, &cmd);
if (ret)
goto err;
}
......@@ -304,58 +304,58 @@ static int si2168_set_frontend(struct dvb_frontend *fe)
memcpy(cmd.args, "\x14\x00\x0f\x10\x10\x00", 6);
cmd.wlen = 6;
cmd.rlen = 4;
ret = si2168_cmd_execute(s, &cmd);
ret = si2168_cmd_execute(dev, &cmd);
if (ret)
goto err;
memcpy(cmd.args, "\x14\x00\x09\x10\xe3\x08", 6);
cmd.args[5] |= s->ts_clock_inv ? 0x00 : 0x10;
cmd.args[5] |= dev->ts_clock_inv ? 0x00 : 0x10;
cmd.wlen = 6;
cmd.rlen = 4;
ret = si2168_cmd_execute(s, &cmd);
ret = si2168_cmd_execute(dev, &cmd);
if (ret)
goto err;
memcpy(cmd.args, "\x14\x00\x08\x10\xd7\x05", 6);
cmd.args[5] |= s->ts_clock_inv ? 0x00 : 0x10;
cmd.args[5] |= dev->ts_clock_inv ? 0x00 : 0x10;
cmd.wlen = 6;
cmd.rlen = 4;
ret = si2168_cmd_execute(s, &cmd);
ret = si2168_cmd_execute(dev, &cmd);
if (ret)
goto err;
memcpy(cmd.args, "\x14\x00\x01\x12\x00\x00", 6);
cmd.wlen = 6;
cmd.rlen = 4;
ret = si2168_cmd_execute(s, &cmd);
ret = si2168_cmd_execute(dev, &cmd);
if (ret)
goto err;
memcpy(cmd.args, "\x14\x00\x01\x03\x0c\x00", 6);
cmd.wlen = 6;
cmd.rlen = 4;
ret = si2168_cmd_execute(s, &cmd);
ret = si2168_cmd_execute(dev, &cmd);
if (ret)
goto err;
memcpy(cmd.args, "\x85", 1);
cmd.wlen = 1;
cmd.rlen = 1;
ret = si2168_cmd_execute(s, &cmd);
ret = si2168_cmd_execute(dev, &cmd);
if (ret)
goto err;
s->delivery_system = c->delivery_system;
dev->delivery_system = c->delivery_system;
return 0;
err:
dev_dbg(&s->client->dev, "failed=%d\n", ret);
dev_dbg(&dev->client->dev, "failed=%d\n", ret);
return ret;
}
static int si2168_init(struct dvb_frontend *fe)
{
struct si2168 *s = fe->demodulator_priv;
struct si2168_dev *dev = fe->demodulator_priv;
int ret, len, remaining;
const struct firmware *fw = NULL;
u8 *fw_file;
......@@ -363,29 +363,29 @@ static int si2168_init(struct dvb_frontend *fe)
struct si2168_cmd cmd;
unsigned int chip_id;
dev_dbg(&s->client->dev, "\n");
dev_dbg(&dev->client->dev, "\n");
/* initialize */
memcpy(cmd.args, "\xc0\x12\x00\x0c\x00\x0d\x16\x00\x00\x00\x00\x00\x00", 13);
cmd.wlen = 13;
cmd.rlen = 0;
ret = si2168_cmd_execute(s, &cmd);
ret = si2168_cmd_execute(dev, &cmd);
if (ret)
goto err;
if (s->fw_loaded) {
if (dev->fw_loaded) {
/* resume */
memcpy(cmd.args, "\xc0\x06\x08\x0f\x00\x20\x21\x01", 8);
cmd.wlen = 8;
cmd.rlen = 1;
ret = si2168_cmd_execute(s, &cmd);
ret = si2168_cmd_execute(dev, &cmd);
if (ret)
goto err;
memcpy(cmd.args, "\x85", 1);
cmd.wlen = 1;
cmd.rlen = 1;
ret = si2168_cmd_execute(s, &cmd);
ret = si2168_cmd_execute(dev, &cmd);
if (ret)
goto err;
......@@ -396,7 +396,7 @@ static int si2168_init(struct dvb_frontend *fe)
memcpy(cmd.args, "\xc0\x06\x01\x0f\x00\x20\x20\x01", 8);
cmd.wlen = 8;
cmd.rlen = 1;
ret = si2168_cmd_execute(s, &cmd);
ret = si2168_cmd_execute(dev, &cmd);
if (ret)
goto err;
......@@ -404,7 +404,7 @@ static int si2168_init(struct dvb_frontend *fe)
memcpy(cmd.args, "\x02", 1);
cmd.wlen = 1;
cmd.rlen = 13;
ret = si2168_cmd_execute(s, &cmd);
ret = si2168_cmd_execute(dev, &cmd);
if (ret)
goto err;
......@@ -426,7 +426,7 @@ static int si2168_init(struct dvb_frontend *fe)
fw_file = SI2168_B40_FIRMWARE;
break;
default:
dev_err(&s->client->dev,
dev_err(&dev->client->dev,
"unknown chip version Si21%d-%c%c%c\n",
cmd.args[2], cmd.args[1],
cmd.args[3], cmd.args[4]);
......@@ -435,31 +435,31 @@ static int si2168_init(struct dvb_frontend *fe)
}
/* cold state - try to download firmware */
dev_info(&s->client->dev, "found a '%s' in cold state\n",
dev_info(&dev->client->dev, "found a '%s' in cold state\n",
si2168_ops.info.name);
/* request the firmware, this will block and timeout */
ret = request_firmware(&fw, fw_file, &s->client->dev);
ret = request_firmware(&fw, fw_file, &dev->client->dev);
if (ret) {
/* fallback mechanism to handle old name for Si2168 B40 fw */
if (chip_id == SI2168_B40) {
fw_file = SI2168_B40_FIRMWARE_FALLBACK;
ret = request_firmware(&fw, fw_file, &s->client->dev);
ret = request_firmware(&fw, fw_file, &dev->client->dev);
}
if (ret == 0) {
dev_notice(&s->client->dev,
dev_notice(&dev->client->dev,
"please install firmware file '%s'\n",
SI2168_B40_FIRMWARE);
} else {
dev_err(&s->client->dev,
dev_err(&dev->client->dev,
"firmware file '%s' not found\n",
fw_file);
goto error_fw_release;
}
}
dev_info(&s->client->dev, "downloading firmware from file '%s'\n",
dev_info(&dev->client->dev, "downloading firmware from file '%s'\n",
fw_file);
if ((fw->size % 17 == 0) && (fw->data[0] > 5)) {
......@@ -469,9 +469,9 @@ static int si2168_init(struct dvb_frontend *fe)
memcpy(cmd.args, &fw->data[(fw->size - remaining) + 1], len);
cmd.wlen = len;
cmd.rlen = 1;
ret = si2168_cmd_execute(s, &cmd);
ret = si2168_cmd_execute(dev, &cmd);
if (ret) {
dev_err(&s->client->dev,
dev_err(&dev->client->dev,
"firmware download failed=%d\n",
ret);
goto error_fw_release;
......@@ -487,9 +487,9 @@ static int si2168_init(struct dvb_frontend *fe)
memcpy(cmd.args, &fw->data[fw->size - remaining], len);
cmd.wlen = len;
cmd.rlen = 1;
ret = si2168_cmd_execute(s, &cmd);
ret = si2168_cmd_execute(dev, &cmd);
if (ret) {
dev_err(&s->client->dev,
dev_err(&dev->client->dev,
"firmware download failed=%d\n",
ret);
goto error_fw_release;
......@@ -503,7 +503,7 @@ static int si2168_init(struct dvb_frontend *fe)
memcpy(cmd.args, "\x01\x01", 2);
cmd.wlen = 2;
cmd.rlen = 1;
ret = si2168_cmd_execute(s, &cmd);
ret = si2168_cmd_execute(dev, &cmd);
if (ret)
goto err;
......@@ -511,58 +511,58 @@ static int si2168_init(struct dvb_frontend *fe)
memcpy(cmd.args, "\x11", 1);
cmd.wlen = 1;
cmd.rlen = 10;
ret = si2168_cmd_execute(s, &cmd);
ret = si2168_cmd_execute(dev, &cmd);
if (ret)
goto err;
dev_dbg(&s->client->dev, "firmware version: %c.%c.%d\n",
dev_dbg(&dev->client->dev, "firmware version: %c.%c.%d\n",
cmd.args[6], cmd.args[7], cmd.args[8]);
/* set ts mode */
memcpy(cmd.args, "\x14\x00\x01\x10\x10\x00", 6);
cmd.args[4] |= s->ts_mode;
cmd.args[4] |= dev->ts_mode;
cmd.wlen = 6;
cmd.rlen = 4;
ret = si2168_cmd_execute(s, &cmd);
ret = si2168_cmd_execute(dev, &cmd);
if (ret)
goto err;
s->fw_loaded = true;
dev->fw_loaded = true;
dev_info(&s->client->dev, "found a '%s' in warm state\n",
dev_info(&dev->client->dev, "found a '%s' in warm state\n",
si2168_ops.info.name);
warm:
s->active = true;
dev->active = true;
return 0;
error_fw_release:
release_firmware(fw);
err:
dev_dbg(&s->client->dev, "failed=%d\n", ret);
dev_dbg(&dev->client->dev, "failed=%d\n", ret);
return ret;
}
static int si2168_sleep(struct dvb_frontend *fe)
{
struct si2168 *s = fe->demodulator_priv;
struct si2168_dev *dev = fe->demodulator_priv;
int ret;
struct si2168_cmd cmd;
dev_dbg(&s->client->dev, "\n");
dev_dbg(&dev->client->dev, "\n");
s->active = false;
dev->active = false;
memcpy(cmd.args, "\x13", 1);
cmd.wlen = 1;
cmd.rlen = 0;
ret = si2168_cmd_execute(s, &cmd);
ret = si2168_cmd_execute(dev, &cmd);
if (ret)
goto err;
return 0;
err:
dev_dbg(&s->client->dev, "failed=%d\n", ret);
dev_dbg(&dev->client->dev, "failed=%d\n", ret);
return ret;
}
......@@ -581,21 +581,21 @@ static int si2168_get_tune_settings(struct dvb_frontend *fe,
*/
static int si2168_select(struct i2c_adapter *adap, void *mux_priv, u32 chan)
{
struct si2168 *s = mux_priv;
struct si2168_dev *dev = mux_priv;
int ret;
struct i2c_msg gate_open_msg = {
.addr = s->client->addr,
.addr = dev->client->addr,
.flags = 0,
.len = 3,
.buf = "\xc0\x0d\x01",
};
mutex_lock(&s->i2c_mutex);
mutex_lock(&dev->i2c_mutex);
/* open tuner I2C gate */
ret = __i2c_transfer(s->client->adapter, &gate_open_msg, 1);
ret = __i2c_transfer(dev->client->adapter, &gate_open_msg, 1);
if (ret != 1) {
dev_warn(&s->client->dev, "i2c write failed=%d\n", ret);
dev_warn(&dev->client->dev, "i2c write failed=%d\n", ret);
if (ret >= 0)
ret = -EREMOTEIO;
} else {
......@@ -607,26 +607,26 @@ static int si2168_select(struct i2c_adapter *adap, void *mux_priv, u32 chan)
static int si2168_deselect(struct i2c_adapter *adap, void *mux_priv, u32 chan)
{
struct si2168 *s = mux_priv;
struct si2168_dev *dev = mux_priv;
int ret;
struct i2c_msg gate_close_msg = {
.addr = s->client->addr,
.addr = dev->client->addr,
.flags = 0,
.len = 3,
.buf = "\xc0\x0d\x00",
};
/* close tuner I2C gate */
ret = __i2c_transfer(s->client->adapter, &gate_close_msg, 1);
ret = __i2c_transfer(dev->client->adapter, &gate_close_msg, 1);
if (ret != 1) {
dev_warn(&s->client->dev, "i2c write failed=%d\n", ret);
dev_warn(&dev->client->dev, "i2c write failed=%d\n", ret);
if (ret >= 0)
ret = -EREMOTEIO;
} else {
ret = 0;
}
mutex_unlock(&s->i2c_mutex);
mutex_unlock(&dev->i2c_mutex);
return ret;
}
......@@ -672,62 +672,62 @@ static int si2168_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct si2168_config *config = client->dev.platform_data;
struct si2168 *s;
struct si2168_dev *dev;
int ret;
dev_dbg(&client->dev, "\n");
s = kzalloc(sizeof(struct si2168), GFP_KERNEL);
if (!s) {
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
if (!dev) {
ret = -ENOMEM;
dev_err(&client->dev, "kzalloc() failed\n");
goto err;
}
s->client = client;
mutex_init(&s->i2c_mutex);
dev->client = client;
mutex_init(&dev->i2c_mutex);
/* create mux i2c adapter for tuner */
s->adapter = i2c_add_mux_adapter(client->adapter, &client->dev, s,
dev->adapter = i2c_add_mux_adapter(client->adapter, &client->dev, dev,
0, 0, 0, si2168_select, si2168_deselect);
if (s->adapter == NULL) {
if (dev->adapter == NULL) {
ret = -ENODEV;
goto err;
}
/* create dvb_frontend */
memcpy(&s->fe.ops, &si2168_ops, sizeof(struct dvb_frontend_ops));
s->fe.demodulator_priv = s;
memcpy(&dev->fe.ops, &si2168_ops, sizeof(struct dvb_frontend_ops));
dev->fe.demodulator_priv = dev;
*config->i2c_adapter = s->adapter;
*config->fe = &s->fe;
s->ts_mode = config->ts_mode;
s->ts_clock_inv = config->ts_clock_inv;
s->fw_loaded = false;
*config->i2c_adapter = dev->adapter;
*config->fe = &dev->fe;
dev->ts_mode = config->ts_mode;
dev->ts_clock_inv = config->ts_clock_inv;
dev->fw_loaded = false;
i2c_set_clientdata(client, s);
i2c_set_clientdata(client, dev);
dev_info(&s->client->dev,
dev_info(&dev->client->dev,
"Silicon Labs Si2168 successfully attached\n");
return 0;
err:
kfree(s);
kfree(dev);
dev_dbg(&client->dev, "failed=%d\n", ret);
return ret;
}
static int si2168_remove(struct i2c_client *client)
{
struct si2168 *s = i2c_get_clientdata(client);
struct si2168_dev *dev = i2c_get_clientdata(client);
dev_dbg(&client->dev, "\n");
i2c_del_mux_adapter(s->adapter);
i2c_del_mux_adapter(dev->adapter);
s->fe.ops.release = NULL;
s->fe.demodulator_priv = NULL;
dev->fe.ops.release = NULL;
dev->fe.demodulator_priv = NULL;
kfree(s);
kfree(dev);
return 0;
}
......
drivers/media/dvb-frontends/si2168_priv.h
浏览文件 @ bd01c766
......@@ -28,7 +28,7 @@
#define SI2168_B40_FIRMWARE_FALLBACK "dvb-demod-si2168-02.fw"
/* state struct */
struct si2168 {
struct si2168_dev {
struct i2c_client *client;
struct i2c_adapter *adapter;
struct mutex i2c_mutex;
......
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