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path: root/drivers/media/dvb-frontends/af9033.c
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Diffstat (limited to 'drivers/media/dvb-frontends/af9033.c')
-rw-r--r--drivers/media/dvb-frontends/af9033.c757
1 files changed, 425 insertions, 332 deletions
diff --git a/drivers/media/dvb-frontends/af9033.c b/drivers/media/dvb-frontends/af9033.c
index 5c90ea6..63a89c1 100644
--- a/drivers/media/dvb-frontends/af9033.c
+++ b/drivers/media/dvb-frontends/af9033.c
@@ -24,29 +24,35 @@
/* Max transfer size done by I2C transfer functions */
#define MAX_XFER_SIZE 64
-struct af9033_state {
- struct i2c_adapter *i2c;
+struct af9033_dev {
+ struct i2c_client *client;
struct dvb_frontend fe;
struct af9033_config cfg;
+ bool is_af9035;
+ bool is_it9135;
u32 bandwidth_hz;
bool ts_mode_parallel;
bool ts_mode_serial;
- u32 ber;
- u32 ucb;
- unsigned long last_stat_check;
+ fe_status_t fe_status;
+ u64 post_bit_error_prev; /* for old read_ber we return (curr - prev) */
+ u64 post_bit_error;
+ u64 post_bit_count;
+ u64 error_block_count;
+ u64 total_block_count;
+ struct delayed_work stat_work;
};
/* 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->client->addr,
.flags = 0,
.len = 3 + len,
.buf = buf,
@@ -54,9 +60,9 @@ static int af9033_wr_regs(struct af9033_state *state, u32 reg, const u8 *val,
};
if (3 + len > sizeof(buf)) {
- dev_warn(&state->i2c->dev,
- "%s: i2c wr reg=%04x: len=%d is too big!\n",
- KBUILD_MODNAME, reg, len);
+ dev_warn(&dev->client->dev,
+ "i2c wr reg=%04x: len=%d is too big!\n",
+ reg, len);
return -EINVAL;
}
@@ -65,12 +71,12 @@ static int af9033_wr_regs(struct af9033_state *state, u32 reg, const u8 *val,
buf[2] = (reg >> 0) & 0xff;
memcpy(&buf[3], val, len);
- ret = i2c_transfer(state->i2c, msg, 1);
+ ret = i2c_transfer(dev->client->adapter, msg, 1);
if (ret == 1) {
ret = 0;
} else {
- dev_warn(&state->i2c->dev, "%s: i2c wr failed=%d reg=%06x " \
- "len=%d\n", KBUILD_MODNAME, ret, reg, len);
+ dev_warn(&dev->client->dev, "i2c wr failed=%d reg=%06x len=%d\n",
+ ret, reg, len);
ret = -EREMOTEIO;
}
@@ -78,31 +84,31 @@ static int af9033_wr_regs(struct af9033_state *state, u32 reg, const u8 *val,
}
/* 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->client->addr,
.flags = 0,
.len = sizeof(buf),
.buf = buf
}, {
- .addr = state->cfg.i2c_addr,
+ .addr = dev->client->addr,
.flags = I2C_M_RD,
.len = len,
.buf = val
}
};
- ret = i2c_transfer(state->i2c, msg, 2);
+ ret = i2c_transfer(dev->client->adapter, msg, 2);
if (ret == 2) {
ret = 0;
} else {
- dev_warn(&state->i2c->dev, "%s: i2c rd failed=%d reg=%06x " \
- "len=%d\n", KBUILD_MODNAME, ret, reg, len);
+ dev_warn(&dev->client->dev, "i2c rd failed=%d reg=%06x len=%d\n",
+ ret, reg, len);
ret = -EREMOTEIO;
}
@@ -111,19 +117,19 @@ static int af9033_rd_regs(struct af9033_state *state, u32 reg, u8 *val, int len)
/* 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;
@@ -131,7 +137,7 @@ static int af9033_wr_reg_mask(struct af9033_state *state, u32 reg, u8 val,
/* 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;
@@ -140,17 +146,17 @@ static int af9033_wr_reg_mask(struct af9033_state *state, u32 reg, u8 val,
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;
@@ -167,18 +173,17 @@ static int af9033_rd_reg_mask(struct af9033_state *state, u32 reg, u8 *val,
}
/* 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->client->dev, "tab_len=%d\n", tab_len);
if (tab_len > sizeof(buf)) {
- dev_warn(&state->i2c->dev, "%s: tab len %d is too big\n",
- KBUILD_MODNAME, tab_len);
+ dev_warn(&dev->client->dev, "tab len %d is too big\n", tab_len);
return -EINVAL;
}
@@ -186,7 +191,7 @@ static int af9033_wr_reg_val_tab(struct af9033_state *state,
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;
@@ -199,16 +204,16 @@ static int af9033_wr_reg_val_tab(struct af9033_state *state,
return 0;
err:
- dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ dev_dbg(&dev->client->dev, "failed=%d\n", 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->client->dev, "a=%d b=%d x=%d\n", a, b, x);
if (a > b) {
c = a / b;
@@ -225,22 +230,15 @@ static u32 af9033_div(struct af9033_state *state, u32 a, u32 b, u32 x)
}
r = (c << (u32)x) + r;
- dev_dbg(&state->i2c->dev, "%s: a=%d b=%d x=%d r=%d r=%x\n",
- __func__, a, b, x, r, r);
+ dev_dbg(&dev->client->dev, "a=%d b=%d x=%d r=%d r=%x\n", a, b, x, r, r);
return r;
}
-static void af9033_release(struct dvb_frontend *fe)
-{
- struct af9033_state *state = fe->demodulator_priv;
-
- kfree(state);
-}
-
static int af9033_init(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, len;
const struct reg_val *init;
u8 buf[4];
@@ -248,7 +246,7 @@ static int af9033_init(struct dvb_frontend *fe)
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 },
@@ -267,88 +265,82 @@ static int af9033_init(struct dvb_frontend *fe)
{ 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->client->dev, "clock=%d clock_cw=%08x\n",
+ 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",
- __func__, clock_adc_lut[i].adc, adc_cw);
+ dev_dbg(&dev->client->dev, "adc=%d adc_cw=%06x\n",
+ 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;
}
- /* feed clock to RF tuner */
- switch (state->cfg.tuner) {
- case AF9033_TUNER_IT9135_38:
- case AF9033_TUNER_IT9135_51:
- case AF9033_TUNER_IT9135_52:
- case AF9033_TUNER_IT9135_60:
- case AF9033_TUNER_IT9135_61:
- case AF9033_TUNER_IT9135_62:
- ret = af9033_wr_reg(state, 0x80fba8, 0x00);
+ /* clock output */
+ 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->client->dev, "load ofsm settings\n");
+ switch (dev->cfg.tuner) {
case AF9033_TUNER_IT9135_38:
case AF9033_TUNER_IT9135_51:
case AF9033_TUNER_IT9135_52:
@@ -367,14 +359,13 @@ static int af9033_init(struct dvb_frontend *fe)
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",
- __func__);
- switch (state->cfg.tuner) {
+ dev_dbg(&dev->client->dev, "load tuner specific settings\n");
+ switch (dev->cfg.tuner) {
case AF9033_TUNER_TUA9001:
len = ARRAY_SIZE(tuner_init_tua9001);
init = tuner_init_tua9001;
@@ -424,90 +415,108 @@ static int af9033_init(struct dvb_frontend *fe)
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->client->dev, "unsupported tuner ID=%d\n",
+ 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 */
+ /* init stats here in order signal app which stats are supported */
+ c->strength.len = 1;
+ c->strength.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ c->cnr.len = 1;
+ c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ c->block_count.len = 1;
+ c->block_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ c->block_error.len = 1;
+ c->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ c->post_bit_count.len = 1;
+ c->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ c->post_bit_error.len = 1;
+ c->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ /* start statistics polling */
+ schedule_delayed_work(&dev->stat_work, msecs_to_jiffies(2000));
return 0;
err:
- dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ dev_dbg(&dev->client->dev, "failed=%d\n", 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);
+ /* stop statistics polling */
+ cancel_delayed_work_sync(&dev->stat_work);
+
+ 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->client->dev, "loop=%d\n", 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;
}
@@ -515,7 +524,7 @@ static int af9033_sleep(struct dvb_frontend *fe)
return 0;
err:
- dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ dev_dbg(&dev->client->dev, "failed=%d\n", ret);
return ret;
}
@@ -533,14 +542,14 @@ static int af9033_get_tune_settings(struct dvb_frontend *fe,
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",
- __func__, c->frequency, c->bandwidth_hz);
+ dev_dbg(&dev->client->dev, "frequency=%d bandwidth_hz=%d\n",
+ c->frequency, c->bandwidth_hz);
/* check bandwidth */
switch (c->bandwidth_hz) {
@@ -554,8 +563,7 @@ static int af9033_set_frontend(struct dvb_frontend *fe)
bandwidth_reg_val = 0x02;
break;
default:
- dev_dbg(&state->i2c->dev, "%s: invalid bandwidth_hz\n",
- __func__);
+ dev_dbg(&dev->client->dev, "invalid bandwidth_hz\n");
ret = -EINVAL;
goto err;
}
@@ -565,23 +573,23 @@ static int af9033_set_frontend(struct dvb_frontend *fe)
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;
@@ -602,12 +610,12 @@ static int af9033_set_frontend(struct dvb_frontend *fe)
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;
@@ -618,26 +626,26 @@ static int af9033_set_frontend(struct dvb_frontend *fe)
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;
@@ -646,33 +654,33 @@ static int af9033_set_frontend(struct dvb_frontend *fe)
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->client->dev, "failed=%d\n", 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->client->dev, "\n");
/* 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;
@@ -784,21 +792,21 @@ static int af9033_get_frontend(struct dvb_frontend *fe)
return 0;
err:
- dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ dev_dbg(&dev->client->dev, "failed=%d\n", 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;
@@ -808,7 +816,7 @@ static int af9033_read_status(struct dvb_frontend *fe, fe_status_t *status)
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;
@@ -817,7 +825,7 @@ static int af9033_read_status(struct dvb_frontend *fe, fe_status_t *status)
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;
@@ -827,76 +835,38 @@ static int af9033_read_status(struct dvb_frontend *fe, fe_status_t *status)
FE_HAS_LOCK;
}
+ dev->fe_status = *status;
+
return 0;
err:
- dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ dev_dbg(&dev->client->dev, "failed=%d\n", ret);
return ret;
}
static int af9033_read_snr(struct dvb_frontend *fe, u16 *snr)
{
- struct af9033_state *state = fe->demodulator_priv;
- int ret, i, len;
- u8 buf[3], tmp;
- u32 snr_val;
- const struct val_snr *uninitialized_var(snr_lut);
-
- /* read value */
- ret = af9033_rd_regs(state, 0x80002c, buf, 3);
- if (ret < 0)
- goto err;
+ struct af9033_dev *dev = fe->demodulator_priv;
+ struct dtv_frontend_properties *c = &dev->fe.dtv_property_cache;
- snr_val = (buf[2] << 16) | (buf[1] << 8) | buf[0];
-
- /* read current modulation */
- ret = af9033_rd_reg(state, 0x80f903, &tmp);
- if (ret < 0)
- goto err;
-
- switch ((tmp >> 0) & 3) {
- case 0:
- len = ARRAY_SIZE(qpsk_snr_lut);
- snr_lut = qpsk_snr_lut;
- break;
- case 1:
- len = ARRAY_SIZE(qam16_snr_lut);
- snr_lut = qam16_snr_lut;
- break;
- case 2:
- len = ARRAY_SIZE(qam64_snr_lut);
- snr_lut = qam64_snr_lut;
- break;
- default:
- goto err;
- }
-
- for (i = 0; i < len; i++) {
- tmp = snr_lut[i].snr;
-
- if (snr_val < snr_lut[i].val)
- break;
- }
-
- *snr = tmp * 10; /* dB/10 */
+ /* use DVBv5 CNR */
+ if (c->cnr.stat[0].scale == FE_SCALE_DECIBEL)
+ *snr = div_s64(c->cnr.stat[0].svalue, 100); /* 1000x => 10x */
+ else
+ *snr = 0;
return 0;
-
-err:
- dev_dbg(&state->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;
@@ -906,244 +876,225 @@ static int af9033_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
return 0;
err:
- dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
-
- return ret;
-}
-
-static int af9033_update_ch_stat(struct af9033_state *state)
-{
- int ret = 0;
- u32 err_cnt, bit_cnt;
- u16 abort_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 (ret < 0)
- goto err;
- /* in 8 byte packets? */
- abort_cnt = (buf[1] << 8) + buf[0];
- /* in bits */
- err_cnt = (buf[4] << 16) + (buf[3] << 8) + buf[2];
- /* in 8 byte packets? always(?) 0x2710 = 10000 */
- bit_cnt = (buf[6] << 8) + buf[5];
-
- if (bit_cnt < abort_cnt) {
- abort_cnt = 1000;
- state->ber = 0xffffffff;
- } else {
- /* 8 byte packets, that have not been rejected already */
- bit_cnt -= (u32)abort_cnt;
- if (bit_cnt == 0) {
- state->ber = 0xffffffff;
- } else {
- err_cnt -= (u32)abort_cnt * 8 * 8;
- bit_cnt *= 8 * 8;
- state->ber = err_cnt * (0xffffffff / bit_cnt);
- }
- }
- state->ucb += abort_cnt;
- state->last_stat_check = jiffies;
- }
-
- return 0;
-err:
- dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ dev_dbg(&dev->client->dev, "failed=%d\n", ret);
return ret;
}
static int af9033_read_ber(struct dvb_frontend *fe, u32 *ber)
{
- struct af9033_state *state = fe->demodulator_priv;
- int ret;
-
- ret = af9033_update_ch_stat(state);
- if (ret < 0)
- return ret;
+ struct af9033_dev *dev = fe->demodulator_priv;
- *ber = state->ber;
+ *ber = (dev->post_bit_error - dev->post_bit_error_prev);
+ dev->post_bit_error_prev = dev->post_bit_error;
return 0;
}
static int af9033_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
{
- struct af9033_state *state = fe->demodulator_priv;
- int ret;
-
- ret = af9033_update_ch_stat(state);
- if (ret < 0)
- return ret;
-
- *ucblocks = state->ucb;
+ struct af9033_dev *dev = fe->demodulator_priv;
+ *ucblocks = dev->error_block_count;
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->client->dev, "enable=%d\n", 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->client->dev, "failed=%d\n", 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->client->dev, "onoff=%d\n", 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->client->dev, "failed=%d\n", ret);
return ret;
}
-static int af9033_pid_filter(struct dvb_frontend *fe, int index, u16 pid, int onoff)
+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",
- __func__, index, pid, onoff);
+ dev_dbg(&dev->client->dev, "index=%d pid=%04x onoff=%d\n",
+ 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->client->dev, "failed=%d\n", ret);
return ret;
}
-static struct dvb_frontend_ops af9033_ops;
-
-struct dvb_frontend *af9033_attach(const struct af9033_config *config,
- struct i2c_adapter *i2c,
- struct af9033_ops *ops)
+static void af9033_stat_work(struct work_struct *work)
{
- int ret;
- struct af9033_state *state;
- u8 buf[8];
+ struct af9033_dev *dev = container_of(work, struct af9033_dev, stat_work.work);
+ struct dtv_frontend_properties *c = &dev->fe.dtv_property_cache;
+ int ret, tmp, i, len;
+ u8 u8tmp, buf[7];
+
+ dev_dbg(&dev->client->dev, "\n");
+
+ /* signal strength */
+ if (dev->fe_status & FE_HAS_SIGNAL) {
+ if (dev->is_af9035) {
+ ret = af9033_rd_reg(dev, 0x80004a, &u8tmp);
+ tmp = -u8tmp * 1000;
+ } else {
+ ret = af9033_rd_reg(dev, 0x8000f7, &u8tmp);
+ tmp = (u8tmp - 100) * 1000;
+ }
+ if (ret)
+ goto err;
- dev_dbg(&i2c->dev, "%s:\n", __func__);
+ c->strength.len = 1;
+ c->strength.stat[0].scale = FE_SCALE_DECIBEL;
+ c->strength.stat[0].svalue = tmp;
+ } else {
+ c->strength.len = 1;
+ c->strength.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ }
- /* allocate memory for the internal state */
- state = kzalloc(sizeof(struct af9033_state), GFP_KERNEL);
- if (state == NULL)
- goto err;
+ /* CNR */
+ if (dev->fe_status & FE_HAS_VITERBI) {
+ u32 snr_val;
+ const struct val_snr *snr_lut;
- /* setup the state */
- state->i2c = i2c;
- memcpy(&state->cfg, config, sizeof(struct af9033_config));
+ /* read value */
+ ret = af9033_rd_regs(dev, 0x80002c, buf, 3);
+ if (ret)
+ goto err;
- if (state->cfg.clock != 12000000) {
- dev_err(&state->i2c->dev, "%s: af9033: unsupported clock=%d, " \
- "only 12000000 Hz is supported currently\n",
- KBUILD_MODNAME, state->cfg.clock);
- goto err;
- }
+ snr_val = (buf[2] << 16) | (buf[1] << 8) | (buf[0] << 0);
- /* firmware version */
- ret = af9033_rd_regs(state, 0x0083e9, &buf[0], 4);
- if (ret < 0)
- goto err;
+ /* read current modulation */
+ ret = af9033_rd_reg(dev, 0x80f903, &u8tmp);
+ if (ret)
+ goto err;
- ret = af9033_rd_regs(state, 0x804191, &buf[4], 4);
- if (ret < 0)
- goto err;
+ switch ((u8tmp >> 0) & 3) {
+ case 0:
+ len = ARRAY_SIZE(qpsk_snr_lut);
+ snr_lut = qpsk_snr_lut;
+ break;
+ case 1:
+ len = ARRAY_SIZE(qam16_snr_lut);
+ snr_lut = qam16_snr_lut;
+ break;
+ case 2:
+ len = ARRAY_SIZE(qam64_snr_lut);
+ snr_lut = qam64_snr_lut;
+ break;
+ default:
+ goto err_schedule_delayed_work;
+ }
- dev_info(&state->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]);
+ for (i = 0; i < len; i++) {
+ tmp = snr_lut[i].snr * 1000;
+ if (snr_val < snr_lut[i].val)
+ break;
+ }
- /* sleep */
- switch (state->cfg.tuner) {
- case AF9033_TUNER_IT9135_38:
- case AF9033_TUNER_IT9135_51:
- case AF9033_TUNER_IT9135_52:
- case AF9033_TUNER_IT9135_60:
- case AF9033_TUNER_IT9135_61:
- case AF9033_TUNER_IT9135_62:
- /* IT9135 did not like to sleep at that early */
- break;
- default:
- ret = af9033_wr_reg(state, 0x80004c, 1);
- if (ret < 0)
- goto err;
+ c->cnr.len = 1;
+ c->cnr.stat[0].scale = FE_SCALE_DECIBEL;
+ c->cnr.stat[0].svalue = tmp;
+ } else {
+ c->cnr.len = 1;
+ c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+ }
- ret = af9033_wr_reg(state, 0x800000, 0);
- if (ret < 0)
+ /* UCB/PER/BER */
+ if (dev->fe_status & FE_HAS_LOCK) {
+ /* outer FEC, 204 byte packets */
+ u16 abort_packet_count, rsd_packet_count;
+ /* inner FEC, bits */
+ u32 rsd_bit_err_count;
+
+ /*
+ * Packet count used for measurement is 10000
+ * (rsd_packet_count). Maybe it should be increased?
+ */
+
+ ret = af9033_rd_regs(dev, 0x800032, buf, 7);
+ if (ret)
goto err;
- }
- /* configure internal TS mode */
- switch (state->cfg.ts_mode) {
- case AF9033_TS_MODE_PARALLEL:
- state->ts_mode_parallel = true;
- break;
- case AF9033_TS_MODE_SERIAL:
- state->ts_mode_serial = true;
- break;
- case AF9033_TS_MODE_USB:
- /* usb mode for AF9035 */
- default:
- break;
- }
+ abort_packet_count = (buf[1] << 8) | (buf[0] << 0);
+ rsd_bit_err_count = (buf[4] << 16) | (buf[3] << 8) | buf[2];
+ rsd_packet_count = (buf[6] << 8) | (buf[5] << 0);
- /* create dvb_frontend */
- memcpy(&state->fe.ops, &af9033_ops, sizeof(struct dvb_frontend_ops));
- state->fe.demodulator_priv = state;
+ dev->error_block_count += abort_packet_count;
+ dev->total_block_count += rsd_packet_count;
+ dev->post_bit_error += rsd_bit_err_count;
+ dev->post_bit_count += rsd_packet_count * 204 * 8;
- if (ops) {
- ops->pid_filter = af9033_pid_filter;
- ops->pid_filter_ctrl = af9033_pid_filter_ctrl;
- }
+ c->block_count.len = 1;
+ c->block_count.stat[0].scale = FE_SCALE_COUNTER;
+ c->block_count.stat[0].uvalue = dev->total_block_count;
+
+ c->block_error.len = 1;
+ c->block_error.stat[0].scale = FE_SCALE_COUNTER;
+ c->block_error.stat[0].uvalue = dev->error_block_count;
+
+ c->post_bit_count.len = 1;
+ c->post_bit_count.stat[0].scale = FE_SCALE_COUNTER;
+ c->post_bit_count.stat[0].uvalue = dev->post_bit_count;
- return &state->fe;
+ c->post_bit_error.len = 1;
+ c->post_bit_error.stat[0].scale = FE_SCALE_COUNTER;
+ c->post_bit_error.stat[0].uvalue = dev->post_bit_error;
+ }
+err_schedule_delayed_work:
+ schedule_delayed_work(&dev->stat_work, msecs_to_jiffies(2000));
+ return;
err:
- kfree(state);
- return NULL;
+ dev_dbg(&dev->client->dev, "failed=%d\n", ret);
}
-EXPORT_SYMBOL(af9033_attach);
static struct dvb_frontend_ops af9033_ops = {
.delsys = { SYS_DVBT },
@@ -1170,8 +1121,6 @@ static struct dvb_frontend_ops af9033_ops = {
FE_CAN_MUTE_TS
},
- .release = af9033_release,
-
.init = af9033_init,
.sleep = af9033_sleep,
@@ -1188,6 +1137,150 @@ static struct dvb_frontend_ops af9033_ops = {
.i2c_gate_ctrl = af9033_i2c_gate_ctrl,
};
+static int af9033_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct af9033_config *cfg = client->dev.platform_data;
+ struct af9033_dev *dev;
+ int ret;
+ u8 buf[8];
+ u32 reg;
+
+ /* allocate memory for the internal state */
+ dev = kzalloc(sizeof(struct af9033_dev), GFP_KERNEL);
+ if (dev == NULL) {
+ ret = -ENOMEM;
+ dev_err(&client->dev, "Could not allocate memory for state\n");
+ goto err;
+ }
+
+ /* setup the state */
+ dev->client = client;
+ INIT_DELAYED_WORK(&dev->stat_work, af9033_stat_work);
+ memcpy(&dev->cfg, cfg, sizeof(struct af9033_config));
+
+ if (dev->cfg.clock != 12000000) {
+ ret = -ENODEV;
+ dev_err(&dev->client->dev,
+ "unsupported clock %d Hz, only 12000000 Hz is supported currently\n",
+ dev->cfg.clock);
+ goto err_kfree;
+ }
+
+ /* firmware version */
+ switch (dev->cfg.tuner) {
+ case AF9033_TUNER_IT9135_38:
+ case AF9033_TUNER_IT9135_51:
+ case AF9033_TUNER_IT9135_52:
+ case AF9033_TUNER_IT9135_60:
+ case AF9033_TUNER_IT9135_61:
+ case AF9033_TUNER_IT9135_62:
+ dev->is_it9135 = true;
+ reg = 0x004bfc;
+ break;
+ default:
+ dev->is_af9035 = true;
+ reg = 0x0083e9;
+ break;
+ }
+
+ ret = af9033_rd_regs(dev, reg, &buf[0], 4);
+ if (ret < 0)
+ goto err_kfree;
+
+ ret = af9033_rd_regs(dev, 0x804191, &buf[4], 4);
+ if (ret < 0)
+ goto err_kfree;
+
+ dev_info(&dev->client->dev,
+ "firmware version: LINK %d.%d.%d.%d - OFDM %d.%d.%d.%d\n",
+ buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6],
+ buf[7]);
+
+ /* sleep */
+ switch (dev->cfg.tuner) {
+ case AF9033_TUNER_IT9135_38:
+ case AF9033_TUNER_IT9135_51:
+ case AF9033_TUNER_IT9135_52:
+ case AF9033_TUNER_IT9135_60:
+ case AF9033_TUNER_IT9135_61:
+ case AF9033_TUNER_IT9135_62:
+ /* IT9135 did not like to sleep at that early */
+ break;
+ default:
+ ret = af9033_wr_reg(dev, 0x80004c, 1);
+ if (ret < 0)
+ goto err_kfree;
+
+ ret = af9033_wr_reg(dev, 0x800000, 0);
+ if (ret < 0)
+ goto err_kfree;
+ }
+
+ /* configure internal TS mode */
+ switch (dev->cfg.ts_mode) {
+ case AF9033_TS_MODE_PARALLEL:
+ dev->ts_mode_parallel = true;
+ break;
+ case AF9033_TS_MODE_SERIAL:
+ dev->ts_mode_serial = true;
+ break;
+ case AF9033_TS_MODE_USB:
+ /* usb mode for AF9035 */
+ default:
+ break;
+ }
+
+ /* create dvb_frontend */
+ memcpy(&dev->fe.ops, &af9033_ops, sizeof(struct dvb_frontend_ops));
+ dev->fe.demodulator_priv = dev;
+ *cfg->fe = &dev->fe;
+ if (cfg->ops) {
+ cfg->ops->pid_filter = af9033_pid_filter;
+ cfg->ops->pid_filter_ctrl = af9033_pid_filter_ctrl;
+ }
+ i2c_set_clientdata(client, dev);
+
+ dev_info(&dev->client->dev, "Afatech AF9033 successfully attached\n");
+ return 0;
+err_kfree:
+ kfree(dev);
+err:
+ dev_dbg(&client->dev, "failed=%d\n", ret);
+ return ret;
+}
+
+static int af9033_remove(struct i2c_client *client)
+{
+ struct af9033_dev *dev = i2c_get_clientdata(client);
+
+ dev_dbg(&dev->client->dev, "\n");
+
+ dev->fe.ops.release = NULL;
+ dev->fe.demodulator_priv = NULL;
+ kfree(dev);
+
+ return 0;
+}
+
+static const struct i2c_device_id af9033_id_table[] = {
+ {"af9033", 0},
+ {}
+};
+MODULE_DEVICE_TABLE(i2c, af9033_id_table);
+
+static struct i2c_driver af9033_driver = {
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = "af9033",
+ },
+ .probe = af9033_probe,
+ .remove = af9033_remove,
+ .id_table = af9033_id_table,
+};
+
+module_i2c_driver(af9033_driver);
+
MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
MODULE_DESCRIPTION("Afatech AF9033 DVB-T demodulator driver");
MODULE_LICENSE("GPL");

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