/* Max transfer size done by I2C transfer functions */
#define MAX_XFER_SIZE 64
-struct af9033_state {
+struct af9033_dev {
struct i2c_adapter *i2c;
struct dvb_frontend fe;
struct af9033_config cfg;
};
/* write multiple registers */
-static int af9033_wr_regs(struct af9033_state *state, u32 reg, const u8 *val,
+static int af9033_wr_regs(struct af9033_dev *dev, u32 reg, const u8 *val,
int len)
{
int ret;
u8 buf[MAX_XFER_SIZE];
struct i2c_msg msg[1] = {
{
- .addr = state->cfg.i2c_addr,
+ .addr = dev->cfg.i2c_addr,
.flags = 0,
.len = 3 + len,
.buf = buf,
};
if (3 + len > sizeof(buf)) {
- dev_warn(&state->i2c->dev,
+ dev_warn(&dev->i2c->dev,
"%s: i2c wr reg=%04x: len=%d is too big!\n",
KBUILD_MODNAME, reg, len);
return -EINVAL;
buf[2] = (reg >> 0) & 0xff;
memcpy(&buf[3], val, len);
- ret = i2c_transfer(state->i2c, msg, 1);
+ ret = i2c_transfer(dev->i2c, msg, 1);
if (ret == 1) {
ret = 0;
} else {
- dev_warn(&state->i2c->dev,
+ dev_warn(&dev->i2c->dev,
"%s: i2c wr failed=%d reg=%06x len=%d\n",
KBUILD_MODNAME, ret, reg, len);
ret = -EREMOTEIO;
}
/* read multiple registers */
-static int af9033_rd_regs(struct af9033_state *state, u32 reg, u8 *val, int len)
+static int af9033_rd_regs(struct af9033_dev *dev, u32 reg, u8 *val, int len)
{
int ret;
u8 buf[3] = { (reg >> 16) & 0xff, (reg >> 8) & 0xff,
(reg >> 0) & 0xff };
struct i2c_msg msg[2] = {
{
- .addr = state->cfg.i2c_addr,
+ .addr = dev->cfg.i2c_addr,
.flags = 0,
.len = sizeof(buf),
.buf = buf
}, {
- .addr = state->cfg.i2c_addr,
+ .addr = dev->cfg.i2c_addr,
.flags = I2C_M_RD,
.len = len,
.buf = val
}
};
- ret = i2c_transfer(state->i2c, msg, 2);
+ ret = i2c_transfer(dev->i2c, msg, 2);
if (ret == 2) {
ret = 0;
} else {
- dev_warn(&state->i2c->dev,
+ dev_warn(&dev->i2c->dev,
"%s: i2c rd failed=%d reg=%06x len=%d\n",
KBUILD_MODNAME, ret, reg, len);
ret = -EREMOTEIO;
/* write single register */
-static int af9033_wr_reg(struct af9033_state *state, u32 reg, u8 val)
+static int af9033_wr_reg(struct af9033_dev *dev, u32 reg, u8 val)
{
- return af9033_wr_regs(state, reg, &val, 1);
+ return af9033_wr_regs(dev, reg, &val, 1);
}
/* read single register */
-static int af9033_rd_reg(struct af9033_state *state, u32 reg, u8 *val)
+static int af9033_rd_reg(struct af9033_dev *dev, u32 reg, u8 *val)
{
- return af9033_rd_regs(state, reg, val, 1);
+ return af9033_rd_regs(dev, reg, val, 1);
}
/* write single register with mask */
-static int af9033_wr_reg_mask(struct af9033_state *state, u32 reg, u8 val,
+static int af9033_wr_reg_mask(struct af9033_dev *dev, u32 reg, u8 val,
u8 mask)
{
int ret;
/* no need for read if whole reg is written */
if (mask != 0xff) {
- ret = af9033_rd_regs(state, reg, &tmp, 1);
+ ret = af9033_rd_regs(dev, reg, &tmp, 1);
if (ret)
return ret;
val |= tmp;
}
- return af9033_wr_regs(state, reg, &val, 1);
+ return af9033_wr_regs(dev, reg, &val, 1);
}
/* read single register with mask */
-static int af9033_rd_reg_mask(struct af9033_state *state, u32 reg, u8 *val,
+static int af9033_rd_reg_mask(struct af9033_dev *dev, u32 reg, u8 *val,
u8 mask)
{
int ret, i;
u8 tmp;
- ret = af9033_rd_regs(state, reg, &tmp, 1);
+ ret = af9033_rd_regs(dev, reg, &tmp, 1);
if (ret)
return ret;
}
/* write reg val table using reg addr auto increment */
-static int af9033_wr_reg_val_tab(struct af9033_state *state,
+static int af9033_wr_reg_val_tab(struct af9033_dev *dev,
const struct reg_val *tab, int tab_len)
{
#define MAX_TAB_LEN 212
int ret, i, j;
u8 buf[1 + MAX_TAB_LEN];
- dev_dbg(&state->i2c->dev, "%s: tab_len=%d\n", __func__, tab_len);
+ dev_dbg(&dev->i2c->dev, "%s: tab_len=%d\n", __func__, tab_len);
if (tab_len > sizeof(buf)) {
- dev_warn(&state->i2c->dev, "%s: tab len %d is too big\n",
+ dev_warn(&dev->i2c->dev, "%s: tab len %d is too big\n",
KBUILD_MODNAME, tab_len);
return -EINVAL;
}
buf[j] = tab[i].val;
if (i == tab_len - 1 || tab[i].reg != tab[i + 1].reg - 1) {
- ret = af9033_wr_regs(state, tab[i].reg - j, buf, j + 1);
+ ret = af9033_wr_regs(dev, tab[i].reg - j, buf, j + 1);
if (ret < 0)
goto err;
return 0;
err:
- dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret);
return ret;
}
-static u32 af9033_div(struct af9033_state *state, u32 a, u32 b, u32 x)
+static u32 af9033_div(struct af9033_dev *dev, u32 a, u32 b, u32 x)
{
u32 r = 0, c = 0, i;
- dev_dbg(&state->i2c->dev, "%s: a=%d b=%d x=%d\n", __func__, a, b, x);
+ dev_dbg(&dev->i2c->dev, "%s: a=%d b=%d x=%d\n", __func__, a, b, x);
if (a > b) {
c = a / b;
}
r = (c << (u32)x) + r;
- dev_dbg(&state->i2c->dev, "%s: a=%d b=%d x=%d r=%d r=%x\n",
+ dev_dbg(&dev->i2c->dev, "%s: a=%d b=%d x=%d r=%d r=%x\n",
__func__, a, b, x, r, r);
return r;
static void af9033_release(struct dvb_frontend *fe)
{
- struct af9033_state *state = fe->demodulator_priv;
+ struct af9033_dev *dev = fe->demodulator_priv;
- kfree(state);
+ kfree(dev);
}
static int af9033_init(struct dvb_frontend *fe)
{
- struct af9033_state *state = fe->demodulator_priv;
+ struct af9033_dev *dev = fe->demodulator_priv;
int ret, i, len;
const struct reg_val *init;
u8 buf[4];
struct reg_val_mask tab[] = {
{ 0x80fb24, 0x00, 0x08 },
{ 0x80004c, 0x00, 0xff },
- { 0x00f641, state->cfg.tuner, 0xff },
+ { 0x00f641, dev->cfg.tuner, 0xff },
{ 0x80f5ca, 0x01, 0x01 },
{ 0x80f715, 0x01, 0x01 },
{ 0x00f41f, 0x04, 0x04 },
{ 0x00d830, 0x01, 0xff },
{ 0x00d831, 0x00, 0xff },
{ 0x00d832, 0x00, 0xff },
- { 0x80f985, state->ts_mode_serial, 0x01 },
- { 0x80f986, state->ts_mode_parallel, 0x01 },
+ { 0x80f985, dev->ts_mode_serial, 0x01 },
+ { 0x80f986, dev->ts_mode_parallel, 0x01 },
{ 0x00d827, 0x00, 0xff },
{ 0x00d829, 0x00, 0xff },
- { 0x800045, state->cfg.adc_multiplier, 0xff },
+ { 0x800045, dev->cfg.adc_multiplier, 0xff },
};
/* program clock control */
- clock_cw = af9033_div(state, state->cfg.clock, 1000000ul, 19ul);
+ clock_cw = af9033_div(dev, dev->cfg.clock, 1000000ul, 19ul);
buf[0] = (clock_cw >> 0) & 0xff;
buf[1] = (clock_cw >> 8) & 0xff;
buf[2] = (clock_cw >> 16) & 0xff;
buf[3] = (clock_cw >> 24) & 0xff;
- dev_dbg(&state->i2c->dev, "%s: clock=%d clock_cw=%08x\n",
- __func__, state->cfg.clock, clock_cw);
+ dev_dbg(&dev->i2c->dev, "%s: clock=%d clock_cw=%08x\n",
+ __func__, dev->cfg.clock, clock_cw);
- ret = af9033_wr_regs(state, 0x800025, buf, 4);
+ ret = af9033_wr_regs(dev, 0x800025, buf, 4);
if (ret < 0)
goto err;
/* program ADC control */
for (i = 0; i < ARRAY_SIZE(clock_adc_lut); i++) {
- if (clock_adc_lut[i].clock == state->cfg.clock)
+ if (clock_adc_lut[i].clock == dev->cfg.clock)
break;
}
- adc_cw = af9033_div(state, clock_adc_lut[i].adc, 1000000ul, 19ul);
+ adc_cw = af9033_div(dev, clock_adc_lut[i].adc, 1000000ul, 19ul);
buf[0] = (adc_cw >> 0) & 0xff;
buf[1] = (adc_cw >> 8) & 0xff;
buf[2] = (adc_cw >> 16) & 0xff;
- dev_dbg(&state->i2c->dev, "%s: adc=%d adc_cw=%06x\n",
+ dev_dbg(&dev->i2c->dev, "%s: adc=%d adc_cw=%06x\n",
__func__, clock_adc_lut[i].adc, adc_cw);
- ret = af9033_wr_regs(state, 0x80f1cd, buf, 3);
+ ret = af9033_wr_regs(dev, 0x80f1cd, buf, 3);
if (ret < 0)
goto err;
/* program register table */
for (i = 0; i < ARRAY_SIZE(tab); i++) {
- ret = af9033_wr_reg_mask(state, tab[i].reg, tab[i].val,
+ ret = af9033_wr_reg_mask(dev, tab[i].reg, tab[i].val,
tab[i].mask);
if (ret < 0)
goto err;
}
/* clock output */
- if (state->cfg.dyn0_clk) {
- ret = af9033_wr_reg(state, 0x80fba8, 0x00);
+ if (dev->cfg.dyn0_clk) {
+ ret = af9033_wr_reg(dev, 0x80fba8, 0x00);
if (ret < 0)
goto err;
}
/* settings for TS interface */
- if (state->cfg.ts_mode == AF9033_TS_MODE_USB) {
- ret = af9033_wr_reg_mask(state, 0x80f9a5, 0x00, 0x01);
+ if (dev->cfg.ts_mode == AF9033_TS_MODE_USB) {
+ ret = af9033_wr_reg_mask(dev, 0x80f9a5, 0x00, 0x01);
if (ret < 0)
goto err;
- ret = af9033_wr_reg_mask(state, 0x80f9b5, 0x01, 0x01);
+ ret = af9033_wr_reg_mask(dev, 0x80f9b5, 0x01, 0x01);
if (ret < 0)
goto err;
} else {
- ret = af9033_wr_reg_mask(state, 0x80f990, 0x00, 0x01);
+ ret = af9033_wr_reg_mask(dev, 0x80f990, 0x00, 0x01);
if (ret < 0)
goto err;
- ret = af9033_wr_reg_mask(state, 0x80f9b5, 0x00, 0x01);
+ ret = af9033_wr_reg_mask(dev, 0x80f9b5, 0x00, 0x01);
if (ret < 0)
goto err;
}
/* load OFSM settings */
- dev_dbg(&state->i2c->dev, "%s: load ofsm settings\n", __func__);
- switch (state->cfg.tuner) {
+ dev_dbg(&dev->i2c->dev, "%s: load ofsm settings\n", __func__);
+ switch (dev->cfg.tuner) {
case AF9033_TUNER_IT9135_38:
case AF9033_TUNER_IT9135_51:
case AF9033_TUNER_IT9135_52:
break;
}
- ret = af9033_wr_reg_val_tab(state, init, len);
+ ret = af9033_wr_reg_val_tab(dev, init, len);
if (ret < 0)
goto err;
/* load tuner specific settings */
- dev_dbg(&state->i2c->dev, "%s: load tuner specific settings\n",
+ dev_dbg(&dev->i2c->dev, "%s: load tuner specific settings\n",
__func__);
- switch (state->cfg.tuner) {
+ switch (dev->cfg.tuner) {
case AF9033_TUNER_TUA9001:
len = ARRAY_SIZE(tuner_init_tua9001);
init = tuner_init_tua9001;
init = tuner_init_it9135_62;
break;
default:
- dev_dbg(&state->i2c->dev, "%s: unsupported tuner ID=%d\n",
- __func__, state->cfg.tuner);
+ dev_dbg(&dev->i2c->dev, "%s: unsupported tuner ID=%d\n",
+ __func__, dev->cfg.tuner);
ret = -ENODEV;
goto err;
}
- ret = af9033_wr_reg_val_tab(state, init, len);
+ ret = af9033_wr_reg_val_tab(dev, init, len);
if (ret < 0)
goto err;
- if (state->cfg.ts_mode == AF9033_TS_MODE_SERIAL) {
- ret = af9033_wr_reg_mask(state, 0x00d91c, 0x01, 0x01);
+ if (dev->cfg.ts_mode == AF9033_TS_MODE_SERIAL) {
+ ret = af9033_wr_reg_mask(dev, 0x00d91c, 0x01, 0x01);
if (ret < 0)
goto err;
- ret = af9033_wr_reg_mask(state, 0x00d917, 0x00, 0x01);
+ ret = af9033_wr_reg_mask(dev, 0x00d917, 0x00, 0x01);
if (ret < 0)
goto err;
- ret = af9033_wr_reg_mask(state, 0x00d916, 0x00, 0x01);
+ ret = af9033_wr_reg_mask(dev, 0x00d916, 0x00, 0x01);
if (ret < 0)
goto err;
}
- switch (state->cfg.tuner) {
+ switch (dev->cfg.tuner) {
case AF9033_TUNER_IT9135_60:
case AF9033_TUNER_IT9135_61:
case AF9033_TUNER_IT9135_62:
- ret = af9033_wr_reg(state, 0x800000, 0x01);
+ ret = af9033_wr_reg(dev, 0x800000, 0x01);
if (ret < 0)
goto err;
}
- state->bandwidth_hz = 0; /* force to program all parameters */
+ dev->bandwidth_hz = 0; /* force to program all parameters */
return 0;
err:
- dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret);
return ret;
}
static int af9033_sleep(struct dvb_frontend *fe)
{
- struct af9033_state *state = fe->demodulator_priv;
+ struct af9033_dev *dev = fe->demodulator_priv;
int ret, i;
u8 tmp;
- ret = af9033_wr_reg(state, 0x80004c, 1);
+ ret = af9033_wr_reg(dev, 0x80004c, 1);
if (ret < 0)
goto err;
- ret = af9033_wr_reg(state, 0x800000, 0);
+ ret = af9033_wr_reg(dev, 0x800000, 0);
if (ret < 0)
goto err;
for (i = 100, tmp = 1; i && tmp; i--) {
- ret = af9033_rd_reg(state, 0x80004c, &tmp);
+ ret = af9033_rd_reg(dev, 0x80004c, &tmp);
if (ret < 0)
goto err;
usleep_range(200, 10000);
}
- dev_dbg(&state->i2c->dev, "%s: loop=%d\n", __func__, i);
+ dev_dbg(&dev->i2c->dev, "%s: loop=%d\n", __func__, i);
if (i == 0) {
ret = -ETIMEDOUT;
goto err;
}
- ret = af9033_wr_reg_mask(state, 0x80fb24, 0x08, 0x08);
+ ret = af9033_wr_reg_mask(dev, 0x80fb24, 0x08, 0x08);
if (ret < 0)
goto err;
/* prevent current leak (?) */
- if (state->cfg.ts_mode == AF9033_TS_MODE_SERIAL) {
+ if (dev->cfg.ts_mode == AF9033_TS_MODE_SERIAL) {
/* enable parallel TS */
- ret = af9033_wr_reg_mask(state, 0x00d917, 0x00, 0x01);
+ ret = af9033_wr_reg_mask(dev, 0x00d917, 0x00, 0x01);
if (ret < 0)
goto err;
- ret = af9033_wr_reg_mask(state, 0x00d916, 0x01, 0x01);
+ ret = af9033_wr_reg_mask(dev, 0x00d916, 0x01, 0x01);
if (ret < 0)
goto err;
}
return 0;
err:
- dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret);
return ret;
}
static int af9033_set_frontend(struct dvb_frontend *fe)
{
- struct af9033_state *state = fe->demodulator_priv;
+ struct af9033_dev *dev = fe->demodulator_priv;
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
int ret, i, spec_inv, sampling_freq;
u8 tmp, buf[3], bandwidth_reg_val;
u32 if_frequency, freq_cw, adc_freq;
- dev_dbg(&state->i2c->dev, "%s: frequency=%d bandwidth_hz=%d\n",
+ dev_dbg(&dev->i2c->dev, "%s: frequency=%d bandwidth_hz=%d\n",
__func__, c->frequency, c->bandwidth_hz);
/* check bandwidth */
bandwidth_reg_val = 0x02;
break;
default:
- dev_dbg(&state->i2c->dev, "%s: invalid bandwidth_hz\n",
+ dev_dbg(&dev->i2c->dev, "%s: invalid bandwidth_hz\n",
__func__);
ret = -EINVAL;
goto err;
fe->ops.tuner_ops.set_params(fe);
/* program CFOE coefficients */
- if (c->bandwidth_hz != state->bandwidth_hz) {
+ if (c->bandwidth_hz != dev->bandwidth_hz) {
for (i = 0; i < ARRAY_SIZE(coeff_lut); i++) {
- if (coeff_lut[i].clock == state->cfg.clock &&
+ if (coeff_lut[i].clock == dev->cfg.clock &&
coeff_lut[i].bandwidth_hz == c->bandwidth_hz) {
break;
}
}
- ret = af9033_wr_regs(state, 0x800001,
+ ret = af9033_wr_regs(dev, 0x800001,
coeff_lut[i].val, sizeof(coeff_lut[i].val));
}
/* program frequency control */
- if (c->bandwidth_hz != state->bandwidth_hz) {
- spec_inv = state->cfg.spec_inv ? -1 : 1;
+ if (c->bandwidth_hz != dev->bandwidth_hz) {
+ spec_inv = dev->cfg.spec_inv ? -1 : 1;
for (i = 0; i < ARRAY_SIZE(clock_adc_lut); i++) {
- if (clock_adc_lut[i].clock == state->cfg.clock)
+ if (clock_adc_lut[i].clock == dev->cfg.clock)
break;
}
adc_freq = clock_adc_lut[i].adc;
else
sampling_freq *= -1;
- freq_cw = af9033_div(state, sampling_freq, adc_freq, 23ul);
+ freq_cw = af9033_div(dev, sampling_freq, adc_freq, 23ul);
if (spec_inv == -1)
freq_cw = 0x800000 - freq_cw;
- if (state->cfg.adc_multiplier == AF9033_ADC_MULTIPLIER_2X)
+ if (dev->cfg.adc_multiplier == AF9033_ADC_MULTIPLIER_2X)
freq_cw /= 2;
buf[0] = (freq_cw >> 0) & 0xff;
if (if_frequency == 0)
buf[2] = 0;
- ret = af9033_wr_regs(state, 0x800029, buf, 3);
+ ret = af9033_wr_regs(dev, 0x800029, buf, 3);
if (ret < 0)
goto err;
- state->bandwidth_hz = c->bandwidth_hz;
+ dev->bandwidth_hz = c->bandwidth_hz;
}
- ret = af9033_wr_reg_mask(state, 0x80f904, bandwidth_reg_val, 0x03);
+ ret = af9033_wr_reg_mask(dev, 0x80f904, bandwidth_reg_val, 0x03);
if (ret < 0)
goto err;
- ret = af9033_wr_reg(state, 0x800040, 0x00);
+ ret = af9033_wr_reg(dev, 0x800040, 0x00);
if (ret < 0)
goto err;
- ret = af9033_wr_reg(state, 0x800047, 0x00);
+ ret = af9033_wr_reg(dev, 0x800047, 0x00);
if (ret < 0)
goto err;
- ret = af9033_wr_reg_mask(state, 0x80f999, 0x00, 0x01);
+ ret = af9033_wr_reg_mask(dev, 0x80f999, 0x00, 0x01);
if (ret < 0)
goto err;
else
tmp = 0x01; /* UHF */
- ret = af9033_wr_reg(state, 0x80004b, tmp);
+ ret = af9033_wr_reg(dev, 0x80004b, tmp);
if (ret < 0)
goto err;
- ret = af9033_wr_reg(state, 0x800000, 0x00);
+ ret = af9033_wr_reg(dev, 0x800000, 0x00);
if (ret < 0)
goto err;
return 0;
err:
- dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret);
return ret;
}
static int af9033_get_frontend(struct dvb_frontend *fe)
{
- struct af9033_state *state = fe->demodulator_priv;
+ struct af9033_dev *dev = fe->demodulator_priv;
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
int ret;
u8 buf[8];
- dev_dbg(&state->i2c->dev, "%s:\n", __func__);
+ dev_dbg(&dev->i2c->dev, "%s:\n", __func__);
/* read all needed registers */
- ret = af9033_rd_regs(state, 0x80f900, buf, sizeof(buf));
+ ret = af9033_rd_regs(dev, 0x80f900, buf, sizeof(buf));
if (ret < 0)
goto err;
return 0;
err:
- dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret);
return ret;
}
static int af9033_read_status(struct dvb_frontend *fe, fe_status_t *status)
{
- struct af9033_state *state = fe->demodulator_priv;
+ struct af9033_dev *dev = fe->demodulator_priv;
int ret;
u8 tmp;
*status = 0;
/* radio channel status, 0=no result, 1=has signal, 2=no signal */
- ret = af9033_rd_reg(state, 0x800047, &tmp);
+ ret = af9033_rd_reg(dev, 0x800047, &tmp);
if (ret < 0)
goto err;
if (tmp != 0x02) {
/* TPS lock */
- ret = af9033_rd_reg_mask(state, 0x80f5a9, &tmp, 0x01);
+ ret = af9033_rd_reg_mask(dev, 0x80f5a9, &tmp, 0x01);
if (ret < 0)
goto err;
FE_HAS_VITERBI;
/* full lock */
- ret = af9033_rd_reg_mask(state, 0x80f999, &tmp, 0x01);
+ ret = af9033_rd_reg_mask(dev, 0x80f999, &tmp, 0x01);
if (ret < 0)
goto err;
return 0;
err:
- dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret);
return ret;
}
static int af9033_read_snr(struct dvb_frontend *fe, u16 *snr)
{
- struct af9033_state *state = fe->demodulator_priv;
+ struct af9033_dev *dev = fe->demodulator_priv;
int ret, i, len;
u8 buf[3], tmp;
u32 snr_val;
const struct val_snr *snr_lut;
/* read value */
- ret = af9033_rd_regs(state, 0x80002c, buf, 3);
+ ret = af9033_rd_regs(dev, 0x80002c, buf, 3);
if (ret < 0)
goto err;
snr_val = (buf[2] << 16) | (buf[1] << 8) | buf[0];
/* read current modulation */
- ret = af9033_rd_reg(state, 0x80f903, &tmp);
+ ret = af9033_rd_reg(dev, 0x80f903, &tmp);
if (ret < 0)
goto err;
return 0;
err:
- dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret);
return ret;
}
static int af9033_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
{
- struct af9033_state *state = fe->demodulator_priv;
+ struct af9033_dev *dev = fe->demodulator_priv;
int ret;
u8 strength2;
/* read signal strength of 0-100 scale */
- ret = af9033_rd_reg(state, 0x800048, &strength2);
+ ret = af9033_rd_reg(dev, 0x800048, &strength2);
if (ret < 0)
goto err;
return 0;
err:
- dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret);
return ret;
}
-static int af9033_update_ch_stat(struct af9033_state *state)
+static int af9033_update_ch_stat(struct af9033_dev *dev)
{
int ret = 0;
u32 err_cnt, bit_cnt;
u8 buf[7];
/* only update data every half second */
- if (time_after(jiffies, state->last_stat_check + msecs_to_jiffies(500))) {
- ret = af9033_rd_regs(state, 0x800032, buf, sizeof(buf));
+ if (time_after(jiffies, dev->last_stat_check + msecs_to_jiffies(500))) {
+ ret = af9033_rd_regs(dev, 0x800032, buf, sizeof(buf));
if (ret < 0)
goto err;
/* in 8 byte packets? */
if (bit_cnt < abort_cnt) {
abort_cnt = 1000;
- state->ber = 0xffffffff;
+ dev->ber = 0xffffffff;
} else {
/*
* 8 byte packets, that have not been rejected already
*/
bit_cnt -= (u32)abort_cnt;
if (bit_cnt == 0) {
- state->ber = 0xffffffff;
+ dev->ber = 0xffffffff;
} else {
err_cnt -= (u32)abort_cnt * 8 * 8;
bit_cnt *= 8 * 8;
- state->ber = err_cnt * (0xffffffff / bit_cnt);
+ dev->ber = err_cnt * (0xffffffff / bit_cnt);
}
}
- state->ucb += abort_cnt;
- state->last_stat_check = jiffies;
+ dev->ucb += abort_cnt;
+ dev->last_stat_check = jiffies;
}
return 0;
err:
- dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret);
return ret;
}
static int af9033_read_ber(struct dvb_frontend *fe, u32 *ber)
{
- struct af9033_state *state = fe->demodulator_priv;
+ struct af9033_dev *dev = fe->demodulator_priv;
int ret;
- ret = af9033_update_ch_stat(state);
+ ret = af9033_update_ch_stat(dev);
if (ret < 0)
return ret;
- *ber = state->ber;
+ *ber = dev->ber;
return 0;
}
static int af9033_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
{
- struct af9033_state *state = fe->demodulator_priv;
+ struct af9033_dev *dev = fe->demodulator_priv;
int ret;
- ret = af9033_update_ch_stat(state);
+ ret = af9033_update_ch_stat(dev);
if (ret < 0)
return ret;
- *ucblocks = state->ucb;
+ *ucblocks = dev->ucb;
return 0;
}
static int af9033_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
{
- struct af9033_state *state = fe->demodulator_priv;
+ struct af9033_dev *dev = fe->demodulator_priv;
int ret;
- dev_dbg(&state->i2c->dev, "%s: enable=%d\n", __func__, enable);
+ dev_dbg(&dev->i2c->dev, "%s: enable=%d\n", __func__, enable);
- ret = af9033_wr_reg_mask(state, 0x00fa04, enable, 0x01);
+ ret = af9033_wr_reg_mask(dev, 0x00fa04, enable, 0x01);
if (ret < 0)
goto err;
return 0;
err:
- dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret);
return ret;
}
static int af9033_pid_filter_ctrl(struct dvb_frontend *fe, int onoff)
{
- struct af9033_state *state = fe->demodulator_priv;
+ struct af9033_dev *dev = fe->demodulator_priv;
int ret;
- dev_dbg(&state->i2c->dev, "%s: onoff=%d\n", __func__, onoff);
+ dev_dbg(&dev->i2c->dev, "%s: onoff=%d\n", __func__, onoff);
- ret = af9033_wr_reg_mask(state, 0x80f993, onoff, 0x01);
+ ret = af9033_wr_reg_mask(dev, 0x80f993, onoff, 0x01);
if (ret < 0)
goto err;
return 0;
err:
- dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret);
return ret;
}
static int af9033_pid_filter(struct dvb_frontend *fe, int index, u16 pid,
int onoff)
{
- struct af9033_state *state = fe->demodulator_priv;
+ struct af9033_dev *dev = fe->demodulator_priv;
int ret;
u8 wbuf[2] = {(pid >> 0) & 0xff, (pid >> 8) & 0xff};
- dev_dbg(&state->i2c->dev, "%s: index=%d pid=%04x onoff=%d\n",
+ dev_dbg(&dev->i2c->dev, "%s: index=%d pid=%04x onoff=%d\n",
__func__, index, pid, onoff);
if (pid > 0x1fff)
return 0;
- ret = af9033_wr_regs(state, 0x80f996, wbuf, 2);
+ ret = af9033_wr_regs(dev, 0x80f996, wbuf, 2);
if (ret < 0)
goto err;
- ret = af9033_wr_reg(state, 0x80f994, onoff);
+ ret = af9033_wr_reg(dev, 0x80f994, onoff);
if (ret < 0)
goto err;
- ret = af9033_wr_reg(state, 0x80f995, index);
+ ret = af9033_wr_reg(dev, 0x80f995, index);
if (ret < 0)
goto err;
return 0;
err:
- dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret);
return ret;
}
struct af9033_ops *ops)
{
int ret;
- struct af9033_state *state;
+ struct af9033_dev *dev;
u8 buf[8];
u32 reg;
dev_dbg(&i2c->dev, "%s:\n", __func__);
/* allocate memory for the internal state */
- state = kzalloc(sizeof(struct af9033_state), GFP_KERNEL);
- if (state == NULL)
+ dev = kzalloc(sizeof(struct af9033_dev), GFP_KERNEL);
+ if (dev == NULL)
goto err;
/* setup the state */
- state->i2c = i2c;
- memcpy(&state->cfg, config, sizeof(struct af9033_config));
+ dev->i2c = i2c;
+ memcpy(&dev->cfg, config, sizeof(struct af9033_config));
- if (state->cfg.clock != 12000000) {
- dev_err(&state->i2c->dev,
+ if (dev->cfg.clock != 12000000) {
+ dev_err(&dev->i2c->dev,
"%s: af9033: unsupported clock=%d, only 12000000 Hz is supported currently\n",
- KBUILD_MODNAME, state->cfg.clock);
+ KBUILD_MODNAME, dev->cfg.clock);
goto err;
}
/* firmware version */
- switch (state->cfg.tuner) {
+ switch (dev->cfg.tuner) {
case AF9033_TUNER_IT9135_38:
case AF9033_TUNER_IT9135_51:
case AF9033_TUNER_IT9135_52:
break;
}
- ret = af9033_rd_regs(state, reg, &buf[0], 4);
+ ret = af9033_rd_regs(dev, reg, &buf[0], 4);
if (ret < 0)
goto err;
- ret = af9033_rd_regs(state, 0x804191, &buf[4], 4);
+ ret = af9033_rd_regs(dev, 0x804191, &buf[4], 4);
if (ret < 0)
goto err;
- dev_info(&state->i2c->dev,
+ dev_info(&dev->i2c->dev,
"%s: firmware version: LINK=%d.%d.%d.%d OFDM=%d.%d.%d.%d\n",
KBUILD_MODNAME, buf[0], buf[1], buf[2], buf[3], buf[4],
buf[5], buf[6], buf[7]);
/* sleep */
- switch (state->cfg.tuner) {
+ switch (dev->cfg.tuner) {
case AF9033_TUNER_IT9135_38:
case AF9033_TUNER_IT9135_51:
case AF9033_TUNER_IT9135_52:
/* IT9135 did not like to sleep at that early */
break;
default:
- ret = af9033_wr_reg(state, 0x80004c, 1);
+ ret = af9033_wr_reg(dev, 0x80004c, 1);
if (ret < 0)
goto err;
- ret = af9033_wr_reg(state, 0x800000, 0);
+ ret = af9033_wr_reg(dev, 0x800000, 0);
if (ret < 0)
goto err;
}
/* configure internal TS mode */
- switch (state->cfg.ts_mode) {
+ switch (dev->cfg.ts_mode) {
case AF9033_TS_MODE_PARALLEL:
- state->ts_mode_parallel = true;
+ dev->ts_mode_parallel = true;
break;
case AF9033_TS_MODE_SERIAL:
- state->ts_mode_serial = true;
+ dev->ts_mode_serial = true;
break;
case AF9033_TS_MODE_USB:
/* usb mode for AF9035 */
}
/* create dvb_frontend */
- memcpy(&state->fe.ops, &af9033_ops, sizeof(struct dvb_frontend_ops));
- state->fe.demodulator_priv = state;
+ memcpy(&dev->fe.ops, &af9033_ops, sizeof(struct dvb_frontend_ops));
+ dev->fe.demodulator_priv = dev;
if (ops) {
ops->pid_filter = af9033_pid_filter;
ops->pid_filter_ctrl = af9033_pid_filter_ctrl;
}
- return &state->fe;
+ return &dev->fe;
err:
- kfree(state);
+ kfree(dev);
return NULL;
}
EXPORT_SYMBOL(af9033_attach);
projects / GitHub / LineageOS / G12 / android_kernel_amlogic_linux-4.9.git / commitdiff