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path: root/drivers/media/dvb-frontends/rtl2830.c
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Diffstat (limited to 'drivers/media/dvb-frontends/rtl2830.c')
-rw-r--r--drivers/media/dvb-frontends/rtl2830.c97
1 files changed, 54 insertions, 43 deletions
diff --git a/drivers/media/dvb-frontends/rtl2830.c b/drivers/media/dvb-frontends/rtl2830.c
index 44643d9b4322..e7ba6658ac8f 100644
--- a/drivers/media/dvb-frontends/rtl2830.c
+++ b/drivers/media/dvb-frontends/rtl2830.c
@@ -31,8 +31,9 @@
#define MAX_XFER_SIZE 64
/* write multiple hardware registers */
-static int rtl2830_wr(struct rtl2830_dev *dev, u8 reg, const u8 *val, int len)
+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] = {
@@ -66,8 +67,9 @@ static int rtl2830_wr(struct rtl2830_dev *dev, u8 reg, const u8 *val, int len)
}
/* read multiple hardware registers */
-static int rtl2830_rd(struct rtl2830_dev *dev, u8 reg, u8 *val, int len)
+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] = {
{
@@ -95,59 +97,60 @@ static int rtl2830_rd(struct rtl2830_dev *dev, u8 reg, u8 *val, int len)
}
/* write multiple registers */
-static int rtl2830_wr_regs(struct rtl2830_dev *dev, u16 reg, const u8 *val,
- int len)
+static int rtl2830_wr_regs(struct i2c_client *client, u16 reg, const u8 *val, int len)
{
+ struct rtl2830_dev *dev = i2c_get_clientdata(client);
int ret;
u8 reg2 = (reg >> 0) & 0xff;
u8 page = (reg >> 8) & 0xff;
/* switch bank if needed */
if (page != dev->page) {
- ret = rtl2830_wr(dev, 0x00, &page, 1);
+ ret = rtl2830_wr(client, 0x00, &page, 1);
if (ret)
return ret;
dev->page = page;
}
- return rtl2830_wr(dev, reg2, val, len);
+ return rtl2830_wr(client, reg2, val, len);
}
/* read multiple registers */
-static int rtl2830_rd_regs(struct rtl2830_dev *dev, u16 reg, u8 *val, int len)
+static int rtl2830_rd_regs(struct i2c_client *client, u16 reg, u8 *val, int len)
{
+ struct rtl2830_dev *dev = i2c_get_clientdata(client);
int ret;
u8 reg2 = (reg >> 0) & 0xff;
u8 page = (reg >> 8) & 0xff;
/* switch bank if needed */
if (page != dev->page) {
- ret = rtl2830_wr(dev, 0x00, &page, 1);
+ ret = rtl2830_wr(client, 0x00, &page, 1);
if (ret)
return ret;
dev->page = page;
}
- return rtl2830_rd(dev, reg2, val, len);
+ return rtl2830_rd(client, reg2, val, len);
}
/* read single register */
-static int rtl2830_rd_reg(struct rtl2830_dev *dev, u16 reg, u8 *val)
+static int rtl2830_rd_reg(struct i2c_client *client, u16 reg, u8 *val)
{
- return rtl2830_rd_regs(dev, reg, val, 1);
+ return rtl2830_rd_regs(client, reg, val, 1);
}
/* write single register with mask */
-static int rtl2830_wr_reg_mask(struct rtl2830_dev *dev, u16 reg, u8 val, u8 mask)
+static int rtl2830_wr_reg_mask(struct i2c_client *client, u16 reg, u8 val, u8 mask)
{
int ret;
u8 tmp;
/* no need for read if whole reg is written */
if (mask != 0xff) {
- ret = rtl2830_rd_regs(dev, reg, &tmp, 1);
+ ret = rtl2830_rd_regs(client, reg, &tmp, 1);
if (ret)
return ret;
@@ -156,16 +159,16 @@ static int rtl2830_wr_reg_mask(struct rtl2830_dev *dev, u16 reg, u8 val, u8 mask
val |= tmp;
}
- return rtl2830_wr_regs(dev, reg, &val, 1);
+ return rtl2830_wr_regs(client, reg, &val, 1);
}
/* read single register with mask */
-static int rtl2830_rd_reg_mask(struct rtl2830_dev *dev, u16 reg, u8 *val, u8 mask)
+static int rtl2830_rd_reg_mask(struct i2c_client *client, u16 reg, u8 *val, u8 mask)
{
int ret, i;
u8 tmp;
- ret = rtl2830_rd_regs(dev, reg, &tmp, 1);
+ ret = rtl2830_rd_regs(client, reg, &tmp, 1);
if (ret)
return ret;
@@ -183,7 +186,8 @@ static int rtl2830_rd_reg_mask(struct rtl2830_dev *dev, u16 reg, u8 *val, u8 mas
static int rtl2830_init(struct dvb_frontend *fe)
{
- struct rtl2830_dev *dev = fe->demodulator_priv;
+ struct i2c_client *client = fe->demodulator_priv;
+ struct rtl2830_dev *dev = i2c_get_clientdata(client);
int ret, i;
struct rtl2830_reg_val_mask tab[] = {
{ 0x00d, 0x01, 0x03 },
@@ -225,17 +229,17 @@ static int rtl2830_init(struct dvb_frontend *fe)
};
for (i = 0; i < ARRAY_SIZE(tab); i++) {
- ret = rtl2830_wr_reg_mask(dev, tab[i].reg, tab[i].val,
+ ret = rtl2830_wr_reg_mask(client, tab[i].reg, tab[i].val,
tab[i].mask);
if (ret)
goto err;
}
- ret = rtl2830_wr_regs(dev, 0x18f, "\x28\x00", 2);
+ ret = rtl2830_wr_regs(client, 0x18f, "\x28\x00", 2);
if (ret)
goto err;
- ret = rtl2830_wr_regs(dev, 0x195,
+ ret = rtl2830_wr_regs(client, 0x195,
"\x04\x06\x0a\x12\x0a\x12\x1e\x28", 8);
if (ret)
goto err;
@@ -243,11 +247,11 @@ static int rtl2830_init(struct dvb_frontend *fe)
/* TODO: spec init */
/* soft reset */
- ret = rtl2830_wr_reg_mask(dev, 0x101, 0x04, 0x04);
+ ret = rtl2830_wr_reg_mask(client, 0x101, 0x04, 0x04);
if (ret)
goto err;
- ret = rtl2830_wr_reg_mask(dev, 0x101, 0x00, 0x04);
+ ret = rtl2830_wr_reg_mask(client, 0x101, 0x00, 0x04);
if (ret)
goto err;
@@ -261,7 +265,8 @@ err:
static int rtl2830_sleep(struct dvb_frontend *fe)
{
- struct rtl2830_dev *dev = fe->demodulator_priv;
+ struct i2c_client *client = fe->demodulator_priv;
+ struct rtl2830_dev *dev = i2c_get_clientdata(client);
dev->sleeping = true;
return 0;
}
@@ -278,7 +283,8 @@ static int rtl2830_get_tune_settings(struct dvb_frontend *fe,
static int rtl2830_set_frontend(struct dvb_frontend *fe)
{
- struct rtl2830_dev *dev = fe->demodulator_priv;
+ struct i2c_client *client = fe->demodulator_priv;
+ struct rtl2830_dev *dev = i2c_get_clientdata(client);
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
int ret, i;
u64 num;
@@ -331,7 +337,7 @@ static int rtl2830_set_frontend(struct dvb_frontend *fe)
return -EINVAL;
}
- ret = rtl2830_wr_reg_mask(dev, 0x008, i << 1, 0x06);
+ ret = rtl2830_wr_reg_mask(client, 0x008, i << 1, 0x06);
if (ret)
goto err;
@@ -352,7 +358,7 @@ static int rtl2830_set_frontend(struct dvb_frontend *fe)
dev_dbg(&dev->i2c->dev, "%s: if_frequency=%d if_ctl=%08x\n",
__func__, if_frequency, if_ctl);
- ret = rtl2830_rd_reg_mask(dev, 0x119, &tmp, 0xc0); /* b[7:6] */
+ ret = rtl2830_rd_reg_mask(client, 0x119, &tmp, 0xc0); /* b[7:6] */
if (ret)
goto err;
@@ -361,21 +367,21 @@ static int rtl2830_set_frontend(struct dvb_frontend *fe)
buf[1] = (if_ctl >> 8) & 0xff;
buf[2] = (if_ctl >> 0) & 0xff;
- ret = rtl2830_wr_regs(dev, 0x119, buf, 3);
+ ret = rtl2830_wr_regs(client, 0x119, buf, 3);
if (ret)
goto err;
/* 1/2 split I2C write */
- ret = rtl2830_wr_regs(dev, 0x11c, &bw_params1[i][0], 17);
+ ret = rtl2830_wr_regs(client, 0x11c, &bw_params1[i][0], 17);
if (ret)
goto err;
/* 2/2 split I2C write */
- ret = rtl2830_wr_regs(dev, 0x12d, &bw_params1[i][17], 17);
+ ret = rtl2830_wr_regs(client, 0x12d, &bw_params1[i][17], 17);
if (ret)
goto err;
- ret = rtl2830_wr_regs(dev, 0x19d, bw_params2[i], 6);
+ ret = rtl2830_wr_regs(client, 0x19d, bw_params2[i], 6);
if (ret)
goto err;
@@ -387,7 +393,8 @@ err:
static int rtl2830_get_frontend(struct dvb_frontend *fe)
{
- struct rtl2830_dev *dev = fe->demodulator_priv;
+ struct i2c_client *client = fe->demodulator_priv;
+ struct rtl2830_dev *dev = i2c_get_clientdata(client);
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
int ret;
u8 buf[3];
@@ -395,11 +402,11 @@ static int rtl2830_get_frontend(struct dvb_frontend *fe)
if (dev->sleeping)
return 0;
- ret = rtl2830_rd_regs(dev, 0x33c, buf, 2);
+ ret = rtl2830_rd_regs(client, 0x33c, buf, 2);
if (ret)
goto err;
- ret = rtl2830_rd_reg(dev, 0x351, &buf[2]);
+ ret = rtl2830_rd_reg(client, 0x351, &buf[2]);
if (ret)
goto err;
@@ -499,6 +506,7 @@ 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;
int ret;
u8 tmp;
@@ -507,7 +515,7 @@ static int rtl2830_read_status(struct dvb_frontend *fe, fe_status_t *status)
if (dev->sleeping)
return 0;
- ret = rtl2830_rd_reg_mask(dev, 0x351, &tmp, 0x78); /* [6:3] */
+ ret = rtl2830_rd_reg_mask(client, 0x351, &tmp, 0x78); /* [6:3] */
if (ret)
goto err;
@@ -527,7 +535,8 @@ err:
static int rtl2830_read_snr(struct dvb_frontend *fe, u16 *snr)
{
- struct rtl2830_dev *dev = fe->demodulator_priv;
+ struct i2c_client *client = fe->demodulator_priv;
+ struct rtl2830_dev *dev = i2c_get_clientdata(client);
int ret, hierarchy, constellation;
u8 buf[2], tmp;
u16 tmp16;
@@ -544,7 +553,7 @@ static int rtl2830_read_snr(struct dvb_frontend *fe, u16 *snr)
/* reports SNR in resolution of 0.1 dB */
- ret = rtl2830_rd_reg(dev, 0x33c, &tmp);
+ ret = rtl2830_rd_reg(client, 0x33c, &tmp);
if (ret)
goto err;
@@ -556,7 +565,7 @@ static int rtl2830_read_snr(struct dvb_frontend *fe, u16 *snr)
if (hierarchy > HIERARCHY_NUM - 1)
goto err;
- ret = rtl2830_rd_regs(dev, 0x40c, buf, 2);
+ ret = rtl2830_rd_regs(client, 0x40c, buf, 2);
if (ret)
goto err;
@@ -576,14 +585,15 @@ err:
static int rtl2830_read_ber(struct dvb_frontend *fe, u32 *ber)
{
- struct rtl2830_dev *dev = fe->demodulator_priv;
+ struct i2c_client *client = fe->demodulator_priv;
+ struct rtl2830_dev *dev = i2c_get_clientdata(client);
int ret;
u8 buf[2];
if (dev->sleeping)
return 0;
- ret = rtl2830_rd_regs(dev, 0x34e, buf, 2);
+ ret = rtl2830_rd_regs(client, 0x34e, buf, 2);
if (ret)
goto err;
@@ -603,7 +613,8 @@ static int rtl2830_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
static int rtl2830_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
{
- struct rtl2830_dev *dev = fe->demodulator_priv;
+ struct i2c_client *client = fe->demodulator_priv;
+ struct rtl2830_dev *dev = i2c_get_clientdata(client);
int ret;
u8 buf[2];
u16 if_agc_raw, if_agc;
@@ -611,7 +622,7 @@ static int rtl2830_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
if (dev->sleeping)
return 0;
- ret = rtl2830_rd_regs(dev, 0x359, buf, 2);
+ ret = rtl2830_rd_regs(client, 0x359, buf, 2);
if (ret)
goto err;
@@ -774,7 +785,7 @@ static int rtl2830_probe(struct i2c_client *client,
dev->cfg.agc_targ_val = pdata->agc_targ_val;
/* check if the demod is there */
- ret = rtl2830_rd_reg(dev, 0x000, &u8tmp);
+ ret = rtl2830_rd_reg(client, 0x000, &u8tmp);
if (ret)
goto err_kfree;
@@ -788,7 +799,7 @@ static int rtl2830_probe(struct i2c_client *client,
/* create dvb frontend */
memcpy(&dev->fe.ops, &rtl2830_ops, sizeof(dev->fe.ops));
- dev->fe.demodulator_priv = dev;
+ dev->fe.demodulator_priv = client;
/* setup callbacks */
pdata->get_dvb_frontend = rtl2830_get_dvb_frontend;
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-25 00:51:01 +0300