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path: root/drivers/media/tuners/it913x.c
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Diffstat (limited to 'drivers/media/tuners/it913x.c')
-rw-r--r--drivers/media/tuners/it913x.c150
1 files changed, 75 insertions, 75 deletions
diff --git a/drivers/media/tuners/it913x.c b/drivers/media/tuners/it913x.c
index 7664878c9454..cc959c111a62 100644
--- a/drivers/media/tuners/it913x.c
+++ b/drivers/media/tuners/it913x.c
@@ -22,7 +22,7 @@
#include "it913x_priv.h"
-struct it913x_state {
+struct it913x_dev {
struct i2c_client *client;
struct dvb_frontend *fe;
u8 chip_ver;
@@ -34,15 +34,15 @@ struct it913x_state {
};
/* read multiple registers */
-static int it913x_rd_regs(struct it913x_state *state,
+static int it913x_rd_regs(struct it913x_dev *dev,
u32 reg, u8 *data, u8 count)
{
int ret;
u8 b[3];
struct i2c_msg msg[2] = {
- { .addr = state->client->addr, .flags = 0,
+ { .addr = dev->client->addr, .flags = 0,
.buf = b, .len = sizeof(b) },
- { .addr = state->client->addr, .flags = I2C_M_RD,
+ { .addr = dev->client->addr, .flags = I2C_M_RD,
.buf = data, .len = count }
};
@@ -50,18 +50,18 @@ static int it913x_rd_regs(struct it913x_state *state,
b[1] = (u8)(reg >> 8) & 0xff;
b[2] = (u8) reg & 0xff;
- ret = i2c_transfer(state->client->adapter, msg, 2);
+ ret = i2c_transfer(dev->client->adapter, msg, 2);
return ret;
}
/* read single register */
-static int it913x_rd_reg(struct it913x_state *state, u32 reg, u8 *val)
+static int it913x_rd_reg(struct it913x_dev *dev, u32 reg, u8 *val)
{
int ret;
u8 b[1];
- ret = it913x_rd_regs(state, reg, &b[0], sizeof(b));
+ ret = it913x_rd_regs(dev, reg, &b[0], sizeof(b));
if (ret < 0)
return -ENODEV;
*val = b[0];
@@ -69,12 +69,12 @@ static int it913x_rd_reg(struct it913x_state *state, u32 reg, u8 *val)
}
/* write multiple registers */
-static int it913x_wr_regs(struct it913x_state *state,
+static int it913x_wr_regs(struct it913x_dev *dev,
u32 reg, u8 buf[], u8 count)
{
u8 b[256];
struct i2c_msg msg[1] = {
- { .addr = state->client->addr, .flags = 0,
+ { .addr = dev->client->addr, .flags = 0,
.buf = b, .len = 3 + count }
};
int ret;
@@ -84,7 +84,7 @@ static int it913x_wr_regs(struct it913x_state *state,
b[2] = (u8) reg & 0xff;
memcpy(&b[3], buf, count);
- ret = i2c_transfer(state->client->adapter, msg, 1);
+ ret = i2c_transfer(dev->client->adapter, msg, 1);
if (ret < 0)
return -EIO;
@@ -93,12 +93,12 @@ static int it913x_wr_regs(struct it913x_state *state,
}
/* write single register */
-static int it913x_wr_reg(struct it913x_state *state,
+static int it913x_wr_reg(struct it913x_dev *dev,
u32 reg, u32 data)
{
int ret;
u8 b[4];
- u8 s;
+ u8 len;
b[0] = data >> 24;
b[1] = (data >> 16) & 0xff;
@@ -106,20 +106,20 @@ static int it913x_wr_reg(struct it913x_state *state,
b[3] = data & 0xff;
/* expand write as needed */
if (data < 0x100)
- s = 3;
+ len = 3;
else if (data < 0x1000)
- s = 2;
+ len = 2;
else if (data < 0x100000)
- s = 1;
+ len = 1;
else
- s = 0;
+ len = 0;
- ret = it913x_wr_regs(state, reg, &b[s], sizeof(b) - s);
+ ret = it913x_wr_regs(dev, reg, &b[len], sizeof(b) - len);
return ret;
}
-static int it913x_script_loader(struct it913x_state *state,
+static int it913x_script_loader(struct it913x_dev *dev,
struct it913xset *loadscript)
{
int ret, i;
@@ -130,7 +130,7 @@ static int it913x_script_loader(struct it913x_state *state,
for (i = 0; i < 1000; ++i) {
if (loadscript[i].address == 0x000000)
break;
- ret = it913x_wr_regs(state,
+ ret = it913x_wr_regs(dev,
loadscript[i].address,
loadscript[i].reg, loadscript[i].count);
if (ret < 0)
@@ -141,31 +141,31 @@ static int it913x_script_loader(struct it913x_state *state,
static int it913x_init(struct dvb_frontend *fe)
{
- struct it913x_state *state = fe->tuner_priv;
+ struct it913x_dev *dev = fe->tuner_priv;
int ret, i;
u8 reg = 0;
u8 val, nv_val;
u8 nv[] = {48, 32, 24, 16, 12, 8, 6, 4, 2};
u8 b[2];
- ret = it913x_rd_reg(state, 0x80ec86, &reg);
+ ret = it913x_rd_reg(dev, 0x80ec86, &reg);
switch (reg) {
case 0:
- state->tun_clk_mode = reg;
- state->tun_xtal = 2000;
- state->tun_fdiv = 3;
+ dev->tun_clk_mode = reg;
+ dev->tun_xtal = 2000;
+ dev->tun_fdiv = 3;
val = 16;
break;
case 1:
default: /* I/O error too */
- state->tun_clk_mode = reg;
- state->tun_xtal = 640;
- state->tun_fdiv = 1;
+ dev->tun_clk_mode = reg;
+ dev->tun_xtal = 640;
+ dev->tun_fdiv = 1;
val = 6;
break;
}
- ret = it913x_rd_reg(state, 0x80ed03, &reg);
+ ret = it913x_rd_reg(dev, 0x80ed03, &reg);
if (reg < 0)
return -ENODEV;
@@ -175,7 +175,7 @@ static int it913x_init(struct dvb_frontend *fe)
nv_val = 2;
for (i = 0; i < 50; i++) {
- ret = it913x_rd_regs(state, 0x80ed23, &b[0], sizeof(b));
+ ret = it913x_rd_regs(dev, 0x80ed23, &b[0], sizeof(b));
reg = (b[1] << 8) + b[0];
if (reg > 0)
break;
@@ -183,15 +183,15 @@ static int it913x_init(struct dvb_frontend *fe)
return -ENODEV;
udelay(2000);
}
- state->tun_fn_min = state->tun_xtal * reg;
- state->tun_fn_min /= (state->tun_fdiv * nv_val);
- dev_dbg(&state->client->dev, "Tuner fn_min %d\n", state->tun_fn_min);
+ dev->tun_fn_min = dev->tun_xtal * reg;
+ dev->tun_fn_min /= (dev->tun_fdiv * nv_val);
+ dev_dbg(&dev->client->dev, "Tuner fn_min %d\n", dev->tun_fn_min);
- if (state->chip_ver > 1)
+ if (dev->chip_ver > 1)
msleep(50);
else {
for (i = 0; i < 50; i++) {
- ret = it913x_rd_reg(state, 0x80ec82, &reg);
+ ret = it913x_rd_reg(dev, 0x80ec82, &reg);
if (ret < 0)
return -ENODEV;
if (reg > 0)
@@ -201,16 +201,16 @@ static int it913x_init(struct dvb_frontend *fe)
}
/* Power Up Tuner - common all versions */
- ret = it913x_wr_reg(state, 0x80ec40, 0x1);
- ret |= it913x_wr_reg(state, 0x80ec57, 0x0);
- ret |= it913x_wr_reg(state, 0x80ec58, 0x0);
+ ret = it913x_wr_reg(dev, 0x80ec40, 0x1);
+ ret |= it913x_wr_reg(dev, 0x80ec57, 0x0);
+ ret |= it913x_wr_reg(dev, 0x80ec58, 0x0);
- return it913x_wr_reg(state, 0x80ed81, val);
+ return it913x_wr_reg(dev, 0x80ed81, val);
}
static int it9137_set_params(struct dvb_frontend *fe)
{
- struct it913x_state *state = fe->tuner_priv;
+ struct it913x_dev *dev = fe->tuner_priv;
struct it913xset *set_tuner = set_it9137_template;
struct dtv_frontend_properties *p = &fe->dtv_property_cache;
u32 bandwidth = p->bandwidth_hz;
@@ -226,12 +226,12 @@ static int it9137_set_params(struct dvb_frontend *fe)
u8 lna_band;
u8 bw;
- if (state->firmware_ver == 1)
+ if (dev->firmware_ver == 1)
set_tuner = set_it9135_template;
else
set_tuner = set_it9137_template;
- dev_dbg(&state->client->dev, "Tuner Frequency %d Bandwidth %d\n",
+ dev_dbg(&dev->client->dev, "Tuner Frequency %d Bandwidth %d\n",
frequency, bandwidth);
if (frequency >= 51000 && frequency <= 440000) {
@@ -305,10 +305,10 @@ static int it9137_set_params(struct dvb_frontend *fe)
} else if (frequency > 296000 && frequency <= 445000) {
n_div = 8;
n = 5;
- } else if (frequency > 445000 && frequency <= state->tun_fn_min) {
+ } else if (frequency > 445000 && frequency <= dev->tun_fn_min) {
n_div = 6;
n = 6;
- } else if (frequency > state->tun_fn_min && frequency <= 950000) {
+ } else if (frequency > dev->tun_fn_min && frequency <= 950000) {
n_div = 4;
n = 7;
} else if (frequency > 1450000 && frequency <= 1680000) {
@@ -317,27 +317,27 @@ static int it9137_set_params(struct dvb_frontend *fe)
} else
return -EINVAL;
- ret = it913x_rd_reg(state, 0x80ed81, &reg);
+ ret = it913x_rd_reg(dev, 0x80ed81, &reg);
iqik_m_cal = (u16)reg * n_div;
if (reg < 0x20) {
- if (state->tun_clk_mode == 0)
+ if (dev->tun_clk_mode == 0)
iqik_m_cal = (iqik_m_cal * 9) >> 5;
else
iqik_m_cal >>= 1;
} else {
iqik_m_cal = 0x40 - iqik_m_cal;
- if (state->tun_clk_mode == 0)
+ if (dev->tun_clk_mode == 0)
iqik_m_cal = ~((iqik_m_cal * 9) >> 5);
else
iqik_m_cal = ~(iqik_m_cal >> 1);
}
- temp_f = frequency * (u32)n_div * (u32)state->tun_fdiv;
- freq = temp_f / state->tun_xtal;
- tmp = freq * state->tun_xtal;
+ temp_f = frequency * (u32)n_div * (u32)dev->tun_fdiv;
+ freq = temp_f / dev->tun_xtal;
+ tmp = freq * dev->tun_xtal;
- if ((temp_f - tmp) >= (state->tun_xtal >> 1))
+ if ((temp_f - tmp) >= (dev->tun_xtal >> 1))
freq++;
freq += (u32) n << 13;
@@ -347,15 +347,15 @@ static int it9137_set_params(struct dvb_frontend *fe)
set_tuner[3].reg[0] = temp_f & 0xff;
set_tuner[4].reg[0] = (temp_f >> 8) & 0xff;
- dev_dbg(&state->client->dev, "High Frequency = %04x\n", temp_f);
+ dev_dbg(&dev->client->dev, "High Frequency = %04x\n", temp_f);
/* Lower frequency */
set_tuner[5].reg[0] = freq & 0xff;
set_tuner[6].reg[0] = (freq >> 8) & 0xff;
- dev_dbg(&state->client->dev, "low Frequency = %04x\n", freq);
+ dev_dbg(&dev->client->dev, "low Frequency = %04x\n", freq);
- ret = it913x_script_loader(state, set_tuner);
+ ret = it913x_script_loader(dev, set_tuner);
return (ret < 0) ? -ENODEV : 0;
}
@@ -366,12 +366,12 @@ static int it9137_set_params(struct dvb_frontend *fe)
static int it913x_sleep(struct dvb_frontend *fe)
{
- struct it913x_state *state = fe->tuner_priv;
+ struct it913x_dev *dev = fe->tuner_priv;
- if (state->chip_ver == 0x01)
- return it913x_script_loader(state, it9135ax_tuner_off);
+ if (dev->chip_ver == 0x01)
+ return it913x_script_loader(dev, it9135ax_tuner_off);
else
- return it913x_script_loader(state, it9137_tuner_off);
+ return it913x_script_loader(dev, it9137_tuner_off);
}
static const struct dvb_tuner_ops it913x_tuner_ops = {
@@ -391,60 +391,60 @@ static int it913x_probe(struct i2c_client *client,
{
struct it913x_config *cfg = client->dev.platform_data;
struct dvb_frontend *fe = cfg->fe;
- struct it913x_state *state;
+ struct it913x_dev *dev;
int ret;
char *chip_ver_str;
- state = kzalloc(sizeof(struct it913x_state), GFP_KERNEL);
- if (state == NULL) {
+ dev = kzalloc(sizeof(struct it913x_dev), GFP_KERNEL);
+ if (dev == NULL) {
ret = -ENOMEM;
dev_err(&client->dev, "kzalloc() failed\n");
goto err;
}
- state->client = client;
- state->fe = cfg->fe;
- state->chip_ver = cfg->chip_ver;
- state->firmware_ver = 1;
+ dev->client = client;
+ dev->fe = cfg->fe;
+ dev->chip_ver = cfg->chip_ver;
+ dev->firmware_ver = 1;
/* tuner RF initial */
- ret = it913x_wr_reg(state, 0x80ec4c, 0x68);
+ ret = it913x_wr_reg(dev, 0x80ec4c, 0x68);
if (ret < 0)
goto err;
- fe->tuner_priv = state;
+ fe->tuner_priv = dev;
memcpy(&fe->ops.tuner_ops, &it913x_tuner_ops,
sizeof(struct dvb_tuner_ops));
- i2c_set_clientdata(client, state);
+ i2c_set_clientdata(client, dev);
- if (state->chip_ver == 1)
+ if (dev->chip_ver == 1)
chip_ver_str = "AX";
- else if (state->chip_ver == 2)
+ else if (dev->chip_ver == 2)
chip_ver_str = "BX";
else
chip_ver_str = "??";
- dev_info(&state->client->dev, "ITE IT913X %s successfully attached\n",
+ dev_info(&dev->client->dev, "ITE IT913X %s successfully attached\n",
chip_ver_str);
- dev_dbg(&state->client->dev, "chip_ver=%02x\n", state->chip_ver);
+ dev_dbg(&dev->client->dev, "chip_ver=%02x\n", dev->chip_ver);
return 0;
err:
dev_dbg(&client->dev, "failed %d\n", ret);
- kfree(state);
+ kfree(dev);
return ret;
}
static int it913x_remove(struct i2c_client *client)
{
- struct it913x_state *state = i2c_get_clientdata(client);
- struct dvb_frontend *fe = state->fe;
+ struct it913x_dev *dev = i2c_get_clientdata(client);
+ struct dvb_frontend *fe = dev->fe;
dev_dbg(&client->dev, "\n");
memset(&fe->ops.tuner_ops, 0, sizeof(struct dvb_tuner_ops));
fe->tuner_priv = NULL;
- kfree(state);
+ kfree(dev);
return 0;
}
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