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[media] rtl2830: get rid of internal config data

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Remove internal config and use configuration values directly from
the platform data.

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 2014-12-09 00:24:13 -03:00 committed by Mauro Carvalho Chehab
parent 7cc3932889
commit b8cb50d237
2 changed files with 18 additions and 40 deletions
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43
drivers/media/dvb-frontends/rtl2830.c
View File

@ -33,12 +33,11 @@
/* write multiple hardware registers */
static int rtl2830_wr(struct i2c_client *client, u8 reg, const u8 *val, int len)
{
struct rtl2830_dev *dev = i2c_get_clientdata(client);
int ret;
u8 buf[MAX_XFER_SIZE];
struct i2c_msg msg[1] = {
{
.addr = dev->cfg.i2c_addr,
.addr = client->addr,
.flags = 0,
.len = 1 + len,
.buf = buf,
@ -54,7 +53,7 @@ static int rtl2830_wr(struct i2c_client *client, u8 reg, const u8 *val, int len)
buf[0] = reg;
memcpy(&buf[1], val, len);
ret = i2c_transfer(dev->i2c, msg, 1);
ret = i2c_transfer(client->adapter, msg, 1);
if (ret == 1) {
ret = 0;
} else {
@ -68,23 +67,22 @@ static int rtl2830_wr(struct i2c_client *client, u8 reg, const u8 *val, int len)
/* read multiple hardware registers */
static int rtl2830_rd(struct i2c_client *client, u8 reg, u8 *val, int len)
{
struct rtl2830_dev *dev = i2c_get_clientdata(client);
int ret;
struct i2c_msg msg[2] = {
{
.addr = dev->cfg.i2c_addr,
.addr = client->addr,
.flags = 0,
.len = 1,
.buf = &reg,
}, {
.addr = dev->cfg.i2c_addr,
.addr = client->addr,
.flags = I2C_M_RD,
.len = len,
.buf = val,
}
};
ret = i2c_transfer(dev->i2c, msg, 2);
ret = i2c_transfer(client->adapter, msg, 2);
if (ret == 2) {
ret = 0;
} else {
@ -207,10 +205,10 @@ static int rtl2830_init(struct dvb_frontend *fe)
{ 0x2f1, 0x20, 0xf8 },
{ 0x16d, 0x00, 0x01 },
{ 0x1a6, 0x00, 0x80 },
{ 0x106, dev->cfg.vtop, 0x3f },
{ 0x107, dev->cfg.krf, 0x3f },
{ 0x106, dev->pdata->vtop, 0x3f },
{ 0x107, dev->pdata->krf, 0x3f },
{ 0x112, 0x28, 0xff },
{ 0x103, dev->cfg.agc_targ_val, 0xff },
{ 0x103, dev->pdata->agc_targ_val, 0xff },
{ 0x00a, 0x02, 0x07 },
{ 0x140, 0x0c, 0x3c },
{ 0x140, 0x40, 0xc0 },
@ -218,7 +216,7 @@ static int rtl2830_init(struct dvb_frontend *fe)
{ 0x15b, 0x28, 0x38 },
{ 0x15c, 0x05, 0x07 },
{ 0x15c, 0x28, 0x38 },
{ 0x115, dev->cfg.spec_inv, 0x01 },
{ 0x115, dev->pdata->spec_inv, 0x01 },
{ 0x16f, 0x01, 0x07 },
{ 0x170, 0x18, 0x38 },
{ 0x172, 0x0f, 0x0f },
@ -349,9 +347,9 @@ static int rtl2830_set_frontend(struct dvb_frontend *fe)
if (ret < 0)
goto err;
num = if_frequency % dev->cfg.xtal;
num = if_frequency % dev->pdata->clk;
num *= 0x400000;
num = div_u64(num, dev->cfg.xtal);
num = div_u64(num, dev->pdata->clk);
num = -num;
if_ctl = num & 0x3fffff;
dev_dbg(&client->dev, "if_frequency=%d if_ctl=%08x\n",
@ -506,7 +504,7 @@ err:
static int rtl2830_read_status(struct dvb_frontend *fe, fe_status_t *status)
{
struct i2c_client *client = fe->demodulator_priv;
struct rtl2830_dev *dev = fe->demodulator_priv;
struct rtl2830_dev *dev = i2c_get_clientdata(client);
int ret;
u8 tmp;
*status = 0;
@ -688,7 +686,7 @@ static int rtl2830_select(struct i2c_adapter *adap, void *mux_priv, u32 chan_id)
struct rtl2830_dev *dev = i2c_get_clientdata(client);
struct i2c_msg select_reg_page_msg[1] = {
{
.addr = dev->cfg.i2c_addr,
.addr = client->addr,
.flags = 0,
.len = 2,
.buf = "\x00\x01",
@ -696,7 +694,7 @@ static int rtl2830_select(struct i2c_adapter *adap, void *mux_priv, u32 chan_id)
};
struct i2c_msg gate_open_msg[1] = {
{
.addr = dev->cfg.i2c_addr,
.addr = client->addr,
.flags = 0,
.len = 2,
.buf = "\x01\x08",
@ -705,7 +703,7 @@ static int rtl2830_select(struct i2c_adapter *adap, void *mux_priv, u32 chan_id)
int ret;
/* select register page */
ret = __i2c_transfer(adap, select_reg_page_msg, 1);
ret = __i2c_transfer(client->adapter, select_reg_page_msg, 1);
if (ret != 1) {
dev_warn(&client->dev, "i2c write failed %d\n", ret);
if (ret >= 0)
@ -716,7 +714,7 @@ static int rtl2830_select(struct i2c_adapter *adap, void *mux_priv, u32 chan_id)
dev->page = 1;
/* open tuner I2C repeater for 1 xfer, closes automatically */
ret = __i2c_transfer(adap, gate_open_msg, 1);
ret = __i2c_transfer(client->adapter, gate_open_msg, 1);
if (ret != 1) {
dev_warn(&client->dev, "i2c write failed %d\n", ret);
if (ret >= 0)
@ -753,7 +751,6 @@ static int rtl2830_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct rtl2830_platform_data *pdata = client->dev.platform_data;
struct i2c_adapter *i2c = client->adapter;
struct rtl2830_dev *dev;
int ret;
u8 u8tmp;
@ -774,14 +771,8 @@ static int rtl2830_probe(struct i2c_client *client,
/* setup the state */
i2c_set_clientdata(client, dev);
dev->i2c = i2c;
dev->pdata = client->dev.platform_data;
dev->sleeping = true;
dev->cfg.i2c_addr = client->addr;
dev->cfg.xtal = pdata->clk;
dev->cfg.spec_inv = pdata->spec_inv;
dev->cfg.vtop = pdata->vtop;
dev->cfg.krf = pdata->krf;
dev->cfg.agc_targ_val = pdata->agc_targ_val;
/* check if the demod is there */
ret = rtl2830_rd_reg(client, 0x000, &u8tmp);

15
drivers/media/dvb-frontends/rtl2830_priv.h
View File

@ -26,24 +26,11 @@
#include "rtl2830.h"
#include <linux/i2c-mux.h>
struct rtl2830_config {
u8 i2c_addr;
u32 xtal;
bool spec_inv;
u8 vtop;
u8 krf;
u8 agc_targ_val;
};
struct rtl2830_dev {
struct rtl2830_platform_data *pdata;
struct i2c_adapter *adapter;
struct i2c_adapter *i2c;
struct dvb_frontend fe;
struct rtl2830_config cfg;
struct i2c_adapter tuner_i2c_adapter;
bool sleeping;
u8 page; /* active register page */
};