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提交 43e2ea63 编写于 作者: A Antti Palosaari 提交者： Mauro Carvalho Chehab
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[media] cxd2820r: convert to regmap api 

Use regmap for I2C register access.
Signed-off-by: NAntti Palosaari <crope@iki.fi>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>
上级 d51dc917
隐藏空白更改
内联 并排
Showing with 173 addition and 259 deletion
drivers/media/dvb-frontends/Kconfig
浏览文件 @ 43e2ea63
......@@ -463,6 +463,7 @@ config DVB_STV0367
config DVB_CXD2820R
tristate "Sony CXD2820R"
depends on DVB_CORE && I2C
select REGMAP_I2C
default m if !MEDIA_SUBDRV_AUTOSELECT
help
Say Y when you want to support this frontend.
......
drivers/media/dvb-frontends/cxd2820r_c.c
浏览文件 @ 43e2ea63
......@@ -26,7 +26,7 @@ int cxd2820r_set_frontend_c(struct dvb_frontend *fe)
struct cxd2820r_priv *priv = fe->demodulator_priv;
struct i2c_client *client = priv->client[0];
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
int ret, i;
int ret;
unsigned int utmp;
u8 buf[2];
u32 if_frequency;
......@@ -58,12 +58,9 @@ int cxd2820r_set_frontend_c(struct dvb_frontend *fe)
fe->ops.tuner_ops.set_params(fe);
if (priv->delivery_system != SYS_DVBC_ANNEX_A) {
for (i = 0; i < ARRAY_SIZE(tab); i++) {
ret = cxd2820r_wr_reg_mask(priv, tab[i].reg,
tab[i].val, tab[i].mask);
if (ret)
goto error;
}
ret = cxd2820r_wr_reg_val_mask_tab(priv, tab, ARRAY_SIZE(tab));
if (ret)
goto error;
}
priv->delivery_system = SYS_DVBC_ANNEX_A;
......@@ -83,15 +80,15 @@ int cxd2820r_set_frontend_c(struct dvb_frontend *fe)
utmp = 0x4000 - DIV_ROUND_CLOSEST_ULL((u64)if_frequency * 0x4000, CXD2820R_CLK);
buf[0] = (utmp >> 8) & 0xff;
buf[1] = (utmp >> 0) & 0xff;
ret = cxd2820r_wr_regs(priv, 0x10042, buf, 2);
ret = regmap_bulk_write(priv->regmap[1], 0x0042, buf, 2);
if (ret)
goto error;
ret = cxd2820r_wr_reg(priv, 0x000ff, 0x08);
ret = regmap_write(priv->regmap[0], 0x00ff, 0x08);
if (ret)
goto error;
ret = cxd2820r_wr_reg(priv, 0x000fe, 0x01);
ret = regmap_write(priv->regmap[0], 0x00fe, 0x01);
if (ret)
goto error;
......@@ -107,21 +104,22 @@ int cxd2820r_get_frontend_c(struct dvb_frontend *fe,
struct cxd2820r_priv *priv = fe->demodulator_priv;
struct i2c_client *client = priv->client[0];
int ret;
unsigned int utmp;
u8 buf[2];
dev_dbg(&client->dev, "\n");
ret = cxd2820r_rd_regs(priv, 0x1001a, buf, 2);
ret = regmap_bulk_read(priv->regmap[1], 0x001a, buf, 2);
if (ret)
goto error;
c->symbol_rate = 2500 * ((buf[0] & 0x0f) << 8 | buf[1]);
ret = cxd2820r_rd_reg(priv, 0x10019, &buf[0]);
ret = regmap_read(priv->regmap[1], 0x0019, &utmp);
if (ret)
goto error;
switch ((buf[0] >> 0) & 0x07) {
switch ((utmp >> 0) & 0x07) {
case 0:
c->modulation = QAM_16;
break;
......@@ -139,7 +137,7 @@ int cxd2820r_get_frontend_c(struct dvb_frontend *fe,
break;
}
switch ((buf[0] >> 7) & 0x01) {
switch ((utmp >> 7) & 0x01) {
case 0:
c->inversion = INVERSION_OFF;
break;
......@@ -164,10 +162,10 @@ int cxd2820r_read_status_c(struct dvb_frontend *fe, enum fe_status *status)
u8 buf[3];
/* Lock detection */
ret = cxd2820r_rd_reg(priv, 0x10088, &buf[0]);
ret = regmap_bulk_read(priv->regmap[1], 0x0088, &buf[0], 1);
if (ret)
goto error;
ret = cxd2820r_rd_reg(priv, 0x10073, &buf[1]);
ret = regmap_bulk_read(priv->regmap[1], 0x0073, &buf[1], 1);
if (ret)
goto error;
......@@ -191,7 +189,7 @@ int cxd2820r_read_status_c(struct dvb_frontend *fe, enum fe_status *status)
if (*status & FE_HAS_SIGNAL) {
unsigned int strength;
ret = cxd2820r_rd_regs(priv, 0x10049, buf, 2);
ret = regmap_bulk_read(priv->regmap[1], 0x0049, buf, 2);
if (ret)
goto error;
......@@ -212,11 +210,11 @@ int cxd2820r_read_status_c(struct dvb_frontend *fe, enum fe_status *status)
if (*status & FE_HAS_VITERBI) {
unsigned int cnr, const_a, const_b;
ret = cxd2820r_rd_reg(priv, 0x10019, &buf[0]);
ret = regmap_read(priv->regmap[1], 0x0019, &utmp);
if (ret)
goto error;
if (((buf[0] >> 0) & 0x03) % 2) {
if (((utmp >> 0) & 0x03) % 2) {
const_a = 8750;
const_b = 650;
} else {
......@@ -224,11 +222,10 @@ int cxd2820r_read_status_c(struct dvb_frontend *fe, enum fe_status *status)
const_b = 760;
}
ret = cxd2820r_rd_reg(priv, 0x1004d, &buf[0]);
ret = regmap_read(priv->regmap[1], 0x004d, &utmp);
if (ret)
goto error;
utmp = buf[0] << 0;
#define CXD2820R_LOG2_E_24 24204406 /* log2(e) << 24 */
if (utmp)
cnr = div_u64((u64)(intlog2(const_b) - intlog2(utmp))
......@@ -250,7 +247,7 @@ int cxd2820r_read_status_c(struct dvb_frontend *fe, enum fe_status *status)
bool start_ber;
if (priv->ber_running) {
ret = cxd2820r_rd_regs(priv, 0x10076, buf, 3);
ret = regmap_bulk_read(priv->regmap[1], 0x0076, buf, 3);
if (ret)
goto error;
......@@ -269,7 +266,7 @@ int cxd2820r_read_status_c(struct dvb_frontend *fe, enum fe_status *status)
}
if (start_ber) {
ret = cxd2820r_wr_reg(priv, 0x10079, 0x01);
ret = regmap_write(priv->regmap[1], 0x0079, 0x01);
if (ret)
goto error;
priv->ber_running = true;
......@@ -299,7 +296,7 @@ int cxd2820r_init_c(struct dvb_frontend *fe)
dev_dbg(&client->dev, "\n");
ret = cxd2820r_wr_reg(priv, 0x00085, 0x07);
ret = regmap_write(priv->regmap[0], 0x0085, 0x07);
if (ret)
goto error;
......@@ -313,7 +310,7 @@ int cxd2820r_sleep_c(struct dvb_frontend *fe)
{
struct cxd2820r_priv *priv = fe->demodulator_priv;
struct i2c_client *client = priv->client[0];
int ret, i;
int ret;
struct reg_val_mask tab[] = {
{ 0x000ff, 0x1f, 0xff },
{ 0x00085, 0x00, 0xff },
......@@ -326,12 +323,9 @@ int cxd2820r_sleep_c(struct dvb_frontend *fe)
priv->delivery_system = SYS_UNDEFINED;
for (i = 0; i < ARRAY_SIZE(tab); i++) {
ret = cxd2820r_wr_reg_mask(priv, tab[i].reg, tab[i].val,
tab[i].mask);
if (ret)
goto error;
}
ret = cxd2820r_wr_reg_val_mask_tab(priv, tab, ARRAY_SIZE(tab));
if (ret)
goto error;
return ret;
error:
......
drivers/media/dvb-frontends/cxd2820r_core.c
浏览文件 @ 43e2ea63
......@@ -21,168 +21,39 @@
#include "cxd2820r_priv.h"
/* Max transfer size done by I2C transfer functions */
#define MAX_XFER_SIZE 64
/* write multiple registers */
static int cxd2820r_wr_regs_i2c(struct cxd2820r_priv *priv, u8 i2c, u8 reg,
u8 *val, int len)
/* Write register table */
int cxd2820r_wr_reg_val_mask_tab(struct cxd2820r_priv *priv,
const struct reg_val_mask *tab, int tab_len)
{
struct i2c_client *client = priv->client[0];
int ret;
u8 buf[MAX_XFER_SIZE];
struct i2c_msg msg[1] = {
{
.addr = i2c,
.flags = 0,
.len = len + 1,
.buf = buf,
}
};
if (1 + len > sizeof(buf)) {
dev_warn(&client->dev, "i2c wr reg=%04x: len=%d is too big!\n",
reg, len);
return -EINVAL;
}
unsigned int i, reg, mask, val;
struct regmap *regmap;
buf[0] = reg;
memcpy(&buf[1], val, len);
dev_dbg(&client->dev, "tab_len=%d\n", tab_len);
ret = i2c_transfer(priv->client[0]->adapter, msg, 1);
if (ret == 1) {
ret = 0;
} else {
dev_warn(&client->dev, "i2c wr failed=%d reg=%02x len=%d\n",
ret, reg, len);
ret = -EREMOTEIO;
}
return ret;
}
/* read multiple registers */
static int cxd2820r_rd_regs_i2c(struct cxd2820r_priv *priv, u8 i2c, u8 reg,
u8 *val, int len)
{
struct i2c_client *client = priv->client[0];
int ret;
u8 buf[MAX_XFER_SIZE];
struct i2c_msg msg[2] = {
{
.addr = i2c,
.flags = 0,
.len = 1,
.buf = &reg,
}, {
.addr = i2c,
.flags = I2C_M_RD,
.len = len,
.buf = buf,
}
};
if (len > sizeof(buf)) {
dev_warn(&client->dev, "i2c wr reg=%04x: len=%d is too big!\n",
reg, len);
return -EINVAL;
}
ret = i2c_transfer(priv->client[0]->adapter, msg, 2);
if (ret == 2) {
memcpy(val, buf, len);
ret = 0;
} else {
dev_warn(&client->dev, "i2c rd failed=%d reg=%02x len=%d\n",
ret, reg, len);
ret = -EREMOTEIO;
}
return ret;
}
/* write multiple registers */
int cxd2820r_wr_regs(struct cxd2820r_priv *priv, u32 reginfo, u8 *val,
int len)
{
int ret;
u8 i2c_addr;
u8 reg = (reginfo >> 0) & 0xff;
u8 bank = (reginfo >> 8) & 0xff;
u8 i2c = (reginfo >> 16) & 0x01;
/* select I2C */
if (i2c)
i2c_addr = priv->client[1]->addr; /* DVB-C */
else
i2c_addr = priv->client[0]->addr; /* DVB-T/T2 */
/* switch bank if needed */
if (bank != priv->bank[i2c]) {
ret = cxd2820r_wr_regs_i2c(priv, i2c_addr, 0x00, &bank, 1);
if (ret)
return ret;
priv->bank[i2c] = bank;
}
return cxd2820r_wr_regs_i2c(priv, i2c_addr, reg, val, len);
}
/* read multiple registers */
int cxd2820r_rd_regs(struct cxd2820r_priv *priv, u32 reginfo, u8 *val,
int len)
{
int ret;
u8 i2c_addr;
u8 reg = (reginfo >> 0) & 0xff;
u8 bank = (reginfo >> 8) & 0xff;
u8 i2c = (reginfo >> 16) & 0x01;
/* select I2C */
if (i2c)
i2c_addr = priv->client[1]->addr; /* DVB-C */
else
i2c_addr = priv->client[0]->addr; /* DVB-T/T2 */
/* switch bank if needed */
if (bank != priv->bank[i2c]) {
ret = cxd2820r_wr_regs_i2c(priv, i2c_addr, 0x00, &bank, 1);
if (ret)
return ret;
priv->bank[i2c] = bank;
}
return cxd2820r_rd_regs_i2c(priv, i2c_addr, reg, val, len);
}
/* write single register */
int cxd2820r_wr_reg(struct cxd2820r_priv *priv, u32 reg, u8 val)
{
return cxd2820r_wr_regs(priv, reg, &val, 1);
}
/* read single register */
int cxd2820r_rd_reg(struct cxd2820r_priv *priv, u32 reg, u8 *val)
{
return cxd2820r_rd_regs(priv, reg, val, 1);
}
for (i = 0; i < tab_len; i++) {
if ((tab[i].reg >> 16) & 0x1)
regmap = priv->regmap[1];
else
regmap = priv->regmap[0];
/* write single register with mask */
int cxd2820r_wr_reg_mask(struct cxd2820r_priv *priv, u32 reg, u8 val,
u8 mask)
{
int ret;
u8 tmp;
reg = (tab[i].reg >> 0) & 0xffff;
val = tab[i].val;
mask = tab[i].mask;
/* no need for read if whole reg is written */
if (mask != 0xff) {
ret = cxd2820r_rd_reg(priv, reg, &tmp);
if (mask == 0xff)
ret = regmap_write(regmap, reg, val);
else
ret = regmap_write_bits(regmap, reg, mask, val);
if (ret)
return ret;
val &= mask;
tmp &= ~mask;
val |= tmp;
goto error;
}
return cxd2820r_wr_reg(priv, reg, val);
return 0;
error:
dev_dbg(&client->dev, "failed=%d\n", ret);
return ret;
}
int cxd2820r_gpio(struct dvb_frontend *fe, u8 *gpio)
......@@ -226,12 +97,12 @@ int cxd2820r_gpio(struct dvb_frontend *fe, u8 *gpio)
dev_dbg(&client->dev, "wr gpio=%02x %02x\n", tmp0, tmp1);
/* write bits [7:2] */
ret = cxd2820r_wr_reg_mask(priv, 0x00089, tmp0, 0xfc);
ret = regmap_update_bits(priv->regmap[0], 0x0089, 0xfc, tmp0);
if (ret)
goto error;
/* write bits [5:0] */
ret = cxd2820r_wr_reg_mask(priv, 0x0008e, tmp1, 0x3f);
ret = regmap_update_bits(priv->regmap[0], 0x008e, 0x3f, tmp1);
if (ret)
goto error;
......@@ -556,8 +427,7 @@ static int cxd2820r_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
dev_dbg_ratelimited(&client->dev, "enable=%d\n", enable);
/* Bit 0 of reg 0xdb in bank 0x00 controls I2C repeater */
return cxd2820r_wr_reg_mask(priv, 0xdb, enable ? 1 : 0, 0x1);
return regmap_update_bits(priv->regmap[0], 0x00db, 0x01, enable ? 1 : 0);
}
#ifdef CONFIG_GPIOLIB
......@@ -696,7 +566,45 @@ static int cxd2820r_probe(struct i2c_client *client,
struct cxd2820r_platform_data *pdata = client->dev.platform_data;
struct cxd2820r_priv *priv;
int ret, *gpio_chip_base;
u8 u8tmp;
unsigned int utmp;
static const struct regmap_range_cfg regmap_range_cfg0[] = {
{
.range_min = 0x0000,
.range_max = 0x3fff,
.selector_reg = 0x00,
.selector_mask = 0xff,
.selector_shift = 0,
.window_start = 0x00,
.window_len = 0x100,
},
};
static const struct regmap_range_cfg regmap_range_cfg1[] = {
{
.range_min = 0x0000,
.range_max = 0x01ff,
.selector_reg = 0x00,
.selector_mask = 0xff,
.selector_shift = 0,
.window_start = 0x00,
.window_len = 0x100,
},
};
static const struct regmap_config regmap_config0 = {
.reg_bits = 8,
.val_bits = 8,
.max_register = 0x3fff,
.ranges = regmap_range_cfg0,
.num_ranges = ARRAY_SIZE(regmap_range_cfg0),
.cache_type = REGCACHE_NONE,
};
static const struct regmap_config regmap_config1 = {
.reg_bits = 8,
.val_bits = 8,
.max_register = 0x01ff,
.ranges = regmap_range_cfg1,
.num_ranges = ARRAY_SIZE(regmap_range_cfg1),
.cache_type = REGCACHE_NONE,
};
dev_dbg(&client->dev, "\n");
......@@ -712,20 +620,23 @@ static int cxd2820r_probe(struct i2c_client *client,
priv->ts_clk_inv = pdata->ts_clk_inv;
priv->if_agc_polarity = pdata->if_agc_polarity;
priv->spec_inv = pdata->spec_inv;
priv->bank[0] = 0xff;
priv->bank[1] = 0xff;
gpio_chip_base = *pdata->gpio_chip_base;
priv->regmap[0] = regmap_init_i2c(priv->client[0], &regmap_config0);
if (IS_ERR(priv->regmap[0])) {
ret = PTR_ERR(priv->regmap[0]);
goto err_kfree;
}
/* Check demod answers with correct chip id */
ret = cxd2820r_rd_reg(priv, 0x000fd, &u8tmp);
ret = regmap_read(priv->regmap[0], 0x00fd, &utmp);
if (ret)
goto err_kfree;
goto err_regmap_0_regmap_exit;
dev_dbg(&client->dev, "chip_id=%02x\n", u8tmp);
dev_dbg(&client->dev, "chip_id=%02x\n", utmp);
if (u8tmp != 0xe1) {
if (utmp != 0xe1) {
ret = -ENODEV;
goto err_kfree;
goto err_regmap_0_regmap_exit;
}
/*
......@@ -738,7 +649,13 @@ static int cxd2820r_probe(struct i2c_client *client,
ret = -ENODEV;
dev_err(&client->dev, "I2C registration failed\n");
if (ret)
goto err_kfree;
goto err_regmap_0_regmap_exit;
}
priv->regmap[1] = regmap_init_i2c(priv->client[1], &regmap_config1);
if (IS_ERR(priv->regmap[1])) {
ret = PTR_ERR(priv->regmap[1]);
goto err_client_1_i2c_unregister_device;
}
if (gpio_chip_base) {
......@@ -755,7 +672,7 @@ static int cxd2820r_probe(struct i2c_client *client,
priv->gpio_chip.can_sleep = 1;
ret = gpiochip_add_data(&priv->gpio_chip, priv);
if (ret)
goto err_client_1_i2c_unregister_device;
goto err_regmap_1_regmap_exit;
dev_dbg(&client->dev, "gpio_chip.base=%d\n",
priv->gpio_chip.base);
......@@ -772,7 +689,7 @@ static int cxd2820r_probe(struct i2c_client *client,
gpio[2] = 0;
ret = cxd2820r_gpio(&priv->fe, gpio);
if (ret)
goto err_client_1_i2c_unregister_device;
goto err_regmap_1_regmap_exit;
#endif
}
......@@ -789,8 +706,12 @@ static int cxd2820r_probe(struct i2c_client *client,
dev_info(&client->dev, "Sony CXD2820R successfully identified\n");
return 0;
err_regmap_1_regmap_exit:
regmap_exit(priv->regmap[1]);
err_client_1_i2c_unregister_device:
i2c_unregister_device(priv->client[1]);
err_regmap_0_regmap_exit:
regmap_exit(priv->regmap[0]);
err_kfree:
kfree(priv);
err:
......@@ -808,7 +729,11 @@ static int cxd2820r_remove(struct i2c_client *client)
if (priv->gpio_chip.label)
gpiochip_remove(&priv->gpio_chip);
#endif
regmap_exit(priv->regmap[1]);
i2c_unregister_device(priv->client[1]);
regmap_exit(priv->regmap[0]);
kfree(priv);
return 0;
......
drivers/media/dvb-frontends/cxd2820r_priv.h
浏览文件 @ 43e2ea63
......@@ -28,6 +28,7 @@
#include "cxd2820r.h"
#include <linux/gpio.h>
#include <linux/math64.h>
#include <linux/regmap.h>
struct reg_val_mask {
u32 reg;
......@@ -39,6 +40,7 @@ struct reg_val_mask {
struct cxd2820r_priv {
struct i2c_client *client[2];
struct regmap *regmap[2];
struct i2c_adapter *i2c;
struct dvb_frontend fe;
u8 ts_mode;
......@@ -51,7 +53,6 @@ struct cxd2820r_priv {
bool ber_running;
u8 bank[2];
#define GPIO_COUNT 3
u8 gpio[GPIO_COUNT];
#ifdef CONFIG_GPIOLIB
......@@ -68,6 +69,9 @@ extern int cxd2820r_debug;
int cxd2820r_gpio(struct dvb_frontend *fe, u8 *gpio);
int cxd2820r_wr_reg_val_mask_tab(struct cxd2820r_priv *priv,
const struct reg_val_mask *tab, int tab_len);
int cxd2820r_wr_reg_mask(struct cxd2820r_priv *priv, u32 reg, u8 val,
u8 mask);
......
drivers/media/dvb-frontends/cxd2820r_t.c
浏览文件 @ 43e2ea63
......@@ -26,7 +26,7 @@ int cxd2820r_set_frontend_t(struct dvb_frontend *fe)
struct cxd2820r_priv *priv = fe->demodulator_priv;
struct i2c_client *client = priv->client[0];
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
int ret, i, bw_i;
int ret, bw_i;
unsigned int utmp;
u32 if_frequency;
u8 buf[3], bw_param;
......@@ -83,12 +83,9 @@ int cxd2820r_set_frontend_t(struct dvb_frontend *fe)
fe->ops.tuner_ops.set_params(fe);
if (priv->delivery_system != SYS_DVBT) {
for (i = 0; i < ARRAY_SIZE(tab); i++) {
ret = cxd2820r_wr_reg_mask(priv, tab[i].reg,
tab[i].val, tab[i].mask);
if (ret)
goto error;
}
ret = cxd2820r_wr_reg_val_mask_tab(priv, tab, ARRAY_SIZE(tab));
if (ret)
goto error;
}
priv->delivery_system = SYS_DVBT;
......@@ -109,27 +106,27 @@ int cxd2820r_set_frontend_t(struct dvb_frontend *fe)
buf[0] = (utmp >> 16) & 0xff;
buf[1] = (utmp >> 8) & 0xff;
buf[2] = (utmp >> 0) & 0xff;
ret = cxd2820r_wr_regs(priv, 0x000b6, buf, 3);
ret = regmap_bulk_write(priv->regmap[0], 0x00b6, buf, 3);
if (ret)
goto error;
ret = cxd2820r_wr_regs(priv, 0x0009f, bw_params1[bw_i], 5);
ret = regmap_bulk_write(priv->regmap[0], 0x009f, bw_params1[bw_i], 5);
if (ret)
goto error;
ret = cxd2820r_wr_reg_mask(priv, 0x000d7, bw_param << 6, 0xc0);
ret = regmap_update_bits(priv->regmap[0], 0x00d7, 0xc0, bw_param << 6);
if (ret)
goto error;
ret = cxd2820r_wr_regs(priv, 0x000d9, bw_params2[bw_i], 2);
ret = regmap_bulk_write(priv->regmap[0], 0x00d9, bw_params2[bw_i], 2);
if (ret)
goto error;
ret = cxd2820r_wr_reg(priv, 0x000ff, 0x08);
ret = regmap_write(priv->regmap[0], 0x00ff, 0x08);
if (ret)
goto error;
ret = cxd2820r_wr_reg(priv, 0x000fe, 0x01);
ret = regmap_write(priv->regmap[0], 0x00fe, 0x01);
if (ret)
goto error;
......@@ -145,11 +142,12 @@ int cxd2820r_get_frontend_t(struct dvb_frontend *fe,
struct cxd2820r_priv *priv = fe->demodulator_priv;
struct i2c_client *client = priv->client[0];
int ret;
unsigned int utmp;
u8 buf[2];
dev_dbg(&client->dev, "\n");
ret = cxd2820r_rd_regs(priv, 0x0002f, buf, sizeof(buf));
ret = regmap_bulk_read(priv->regmap[0], 0x002f, buf, sizeof(buf));
if (ret)
goto error;
......@@ -240,11 +238,11 @@ int cxd2820r_get_frontend_t(struct dvb_frontend *fe,
break;
}
ret = cxd2820r_rd_reg(priv, 0x007c6, &buf[0]);
ret = regmap_read(priv->regmap[0], 0x07c6, &utmp);
if (ret)
goto error;
switch ((buf[0] >> 0) & 0x01) {
switch ((utmp >> 0) & 0x01) {
case 0:
c->inversion = INVERSION_OFF;
break;
......@@ -269,10 +267,10 @@ int cxd2820r_read_status_t(struct dvb_frontend *fe, enum fe_status *status)
u8 buf[3];
/* Lock detection */
ret = cxd2820r_rd_reg(priv, 0x00010, &buf[0]);
ret = regmap_bulk_read(priv->regmap[0], 0x0010, &buf[0], 1);
if (ret)
goto error;
ret = cxd2820r_rd_reg(priv, 0x00073, &buf[1]);
ret = regmap_bulk_read(priv->regmap[0], 0x0073, &buf[1], 1);
if (ret)
goto error;
......@@ -296,7 +294,7 @@ int cxd2820r_read_status_t(struct dvb_frontend *fe, enum fe_status *status)
if (*status & FE_HAS_SIGNAL) {
unsigned int strength;
ret = cxd2820r_rd_regs(priv, 0x00026, buf, 2);
ret = regmap_bulk_read(priv->regmap[0], 0x0026, buf, 2);
if (ret)
goto error;
......@@ -317,7 +315,7 @@ int cxd2820r_read_status_t(struct dvb_frontend *fe, enum fe_status *status)
if (*status & FE_HAS_VITERBI) {
unsigned int cnr;
ret = cxd2820r_rd_regs(priv, 0x0002c, buf, 2);
ret = regmap_bulk_read(priv->regmap[0], 0x002c, buf, 2);
if (ret)
goto error;
......@@ -343,7 +341,7 @@ int cxd2820r_read_status_t(struct dvb_frontend *fe, enum fe_status *status)
bool start_ber;
if (priv->ber_running) {
ret = cxd2820r_rd_regs(priv, 0x00076, buf, 3);
ret = regmap_bulk_read(priv->regmap[0], 0x0076, buf, 3);
if (ret)
goto error;
......@@ -362,7 +360,7 @@ int cxd2820r_read_status_t(struct dvb_frontend *fe, enum fe_status *status)
}
if (start_ber) {
ret = cxd2820r_wr_reg(priv, 0x00079, 0x01);
ret = regmap_write(priv->regmap[0], 0x0079, 0x01);
if (ret)
goto error;
priv->ber_running = true;
......@@ -392,7 +390,7 @@ int cxd2820r_init_t(struct dvb_frontend *fe)
dev_dbg(&client->dev, "\n");
ret = cxd2820r_wr_reg(priv, 0x00085, 0x07);
ret = regmap_write(priv->regmap[0], 0x0085, 0x07);
if (ret)
goto error;
......@@ -406,7 +404,7 @@ int cxd2820r_sleep_t(struct dvb_frontend *fe)
{
struct cxd2820r_priv *priv = fe->demodulator_priv;
struct i2c_client *client = priv->client[0];
int ret, i;
int ret;
struct reg_val_mask tab[] = {
{ 0x000ff, 0x1f, 0xff },
{ 0x00085, 0x00, 0xff },
......@@ -419,12 +417,9 @@ int cxd2820r_sleep_t(struct dvb_frontend *fe)
priv->delivery_system = SYS_UNDEFINED;
for (i = 0; i < ARRAY_SIZE(tab); i++) {
ret = cxd2820r_wr_reg_mask(priv, tab[i].reg, tab[i].val,
tab[i].mask);
if (ret)
goto error;
}
ret = cxd2820r_wr_reg_val_mask_tab(priv, tab, ARRAY_SIZE(tab));
if (ret)
goto error;
return ret;
error:
......
drivers/media/dvb-frontends/cxd2820r_t2.c
浏览文件 @ 43e2ea63
......@@ -26,7 +26,7 @@ int cxd2820r_set_frontend_t2(struct dvb_frontend *fe)
struct cxd2820r_priv *priv = fe->demodulator_priv;
struct i2c_client *client = priv->client[0];
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
int ret, i, bw_i;
int ret, bw_i;
unsigned int utmp;
u32 if_frequency;
u8 buf[3], bw_param;
......@@ -101,12 +101,9 @@ int cxd2820r_set_frontend_t2(struct dvb_frontend *fe)
fe->ops.tuner_ops.set_params(fe);
if (priv->delivery_system != SYS_DVBT2) {
for (i = 0; i < ARRAY_SIZE(tab); i++) {
ret = cxd2820r_wr_reg_mask(priv, tab[i].reg,
tab[i].val, tab[i].mask);
if (ret)
goto error;
}
ret = cxd2820r_wr_reg_val_mask_tab(priv, tab, ARRAY_SIZE(tab));
if (ret)
goto error;
}
priv->delivery_system = SYS_DVBT2;
......@@ -126,39 +123,39 @@ int cxd2820r_set_frontend_t2(struct dvb_frontend *fe)
buf[0] = (utmp >> 16) & 0xff;
buf[1] = (utmp >> 8) & 0xff;
buf[2] = (utmp >> 0) & 0xff;
ret = cxd2820r_wr_regs(priv, 0x020b6, buf, 3);
ret = regmap_bulk_write(priv->regmap[0], 0x20b6, buf, 3);
if (ret)
goto error;
/* PLP filtering */
if (c->stream_id > 255) {
dev_dbg(&client->dev, "disable PLP filtering\n");
ret = cxd2820r_wr_reg(priv, 0x023ad , 0);
ret = regmap_write(priv->regmap[0], 0x23ad, 0x00);
if (ret)
goto error;
} else {
dev_dbg(&client->dev, "enable PLP filtering\n");
ret = cxd2820r_wr_reg(priv, 0x023af , c->stream_id & 0xFF);
ret = regmap_write(priv->regmap[0], 0x23af, c->stream_id & 0xff);
if (ret)
goto error;
ret = cxd2820r_wr_reg(priv, 0x023ad , 1);
ret = regmap_write(priv->regmap[0], 0x23ad, 0x01);
if (ret)
goto error;
}
ret = cxd2820r_wr_regs(priv, 0x0209f, bw_params1[bw_i], 5);
ret = regmap_bulk_write(priv->regmap[0], 0x209f, bw_params1[bw_i], 5);
if (ret)
goto error;
ret = cxd2820r_wr_reg_mask(priv, 0x020d7, bw_param << 6, 0xc0);
ret = regmap_update_bits(priv->regmap[0], 0x20d7, 0xc0, bw_param << 6);
if (ret)
goto error;
ret = cxd2820r_wr_reg(priv, 0x000ff, 0x08);
ret = regmap_write(priv->regmap[0], 0x00ff, 0x08);
if (ret)
goto error;
ret = cxd2820r_wr_reg(priv, 0x000fe, 0x01);
ret = regmap_write(priv->regmap[0], 0x00fe, 0x01);
if (ret)
goto error;
......@@ -175,11 +172,12 @@ int cxd2820r_get_frontend_t2(struct dvb_frontend *fe,
struct cxd2820r_priv *priv = fe->demodulator_priv;
struct i2c_client *client = priv->client[0];
int ret;
unsigned int utmp;
u8 buf[2];
dev_dbg(&client->dev, "\n");
ret = cxd2820r_rd_regs(priv, 0x0205c, buf, 2);
ret = regmap_bulk_read(priv->regmap[0], 0x205c, buf, 2);
if (ret)
goto error;
......@@ -228,7 +226,7 @@ int cxd2820r_get_frontend_t2(struct dvb_frontend *fe,
break;
}
ret = cxd2820r_rd_regs(priv, 0x0225b, buf, 2);
ret = regmap_bulk_read(priv->regmap[0], 0x225b, buf, 2);
if (ret)
goto error;
......@@ -268,11 +266,11 @@ int cxd2820r_get_frontend_t2(struct dvb_frontend *fe,
break;
}
ret = cxd2820r_rd_reg(priv, 0x020b5, &buf[0]);
ret = regmap_read(priv->regmap[0], 0x20b5, &utmp);
if (ret)
goto error;
switch ((buf[0] >> 4) & 0x01) {
switch ((utmp >> 4) & 0x01) {
case 0:
c->inversion = INVERSION_OFF;
break;
......@@ -297,7 +295,7 @@ int cxd2820r_read_status_t2(struct dvb_frontend *fe, enum fe_status *status)
u8 buf[4];
/* Lock detection */
ret = cxd2820r_rd_reg(priv, 0x02010 , &buf[0]);
ret = regmap_bulk_read(priv->regmap[0], 0x2010, &buf[0], 1);
if (ret)
goto error;
......@@ -321,7 +319,7 @@ int cxd2820r_read_status_t2(struct dvb_frontend *fe, enum fe_status *status)
if (*status & FE_HAS_SIGNAL) {
unsigned int strength;
ret = cxd2820r_rd_regs(priv, 0x02026, buf, 2);
ret = regmap_bulk_read(priv->regmap[0], 0x2026, buf, 2);
if (ret)
goto error;
......@@ -342,7 +340,7 @@ int cxd2820r_read_status_t2(struct dvb_frontend *fe, enum fe_status *status)
if (*status & FE_HAS_VITERBI) {
unsigned int cnr;
ret = cxd2820r_rd_regs(priv, 0x02028, buf, 2);
ret = regmap_bulk_read(priv->regmap[0], 0x2028, buf, 2);
if (ret)
goto error;
......@@ -368,7 +366,7 @@ int cxd2820r_read_status_t2(struct dvb_frontend *fe, enum fe_status *status)
if (*status & FE_HAS_SYNC) {
unsigned int post_bit_error;
ret = cxd2820r_rd_regs(priv, 0x02039, buf, 4);
ret = regmap_bulk_read(priv->regmap[0], 0x2039, buf, 4);
if (ret)
goto error;
......@@ -400,7 +398,7 @@ int cxd2820r_sleep_t2(struct dvb_frontend *fe)
{
struct cxd2820r_priv *priv = fe->demodulator_priv;
struct i2c_client *client = priv->client[0];
int ret, i;
int ret;
struct reg_val_mask tab[] = {
{ 0x000ff, 0x1f, 0xff },
{ 0x00085, 0x00, 0xff },
......@@ -412,12 +410,9 @@ int cxd2820r_sleep_t2(struct dvb_frontend *fe)
dev_dbg(&client->dev, "\n");
for (i = 0; i < ARRAY_SIZE(tab); i++) {
ret = cxd2820r_wr_reg_mask(priv, tab[i].reg, tab[i].val,
tab[i].mask);
if (ret)
goto error;
}
ret = cxd2820r_wr_reg_val_mask_tab(priv, tab, ARRAY_SIZE(tab));
if (ret)
goto error;
priv->delivery_system = SYS_UNDEFINED;
......
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