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path: root/drivers/media/dvb-frontends/af9013.c
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Diffstat (limited to 'drivers/media/dvb-frontends/af9013.c')
-rw-r--r--drivers/media/dvb-frontends/af9013.c1186
1 files changed, 597 insertions, 589 deletions
diff --git a/drivers/media/dvb-frontends/af9013.c b/drivers/media/dvb-frontends/af9013.c
index b978002af4d8..b8f3ebfc3e27 100644
--- a/drivers/media/dvb-frontends/af9013.c
+++ b/drivers/media/dvb-frontends/af9013.c
@@ -20,13 +20,18 @@
#include "af9013_priv.h"
-/* Max transfer size done by I2C transfer functions */
-#define MAX_XFER_SIZE 64
-
struct af9013_state {
- struct i2c_adapter *i2c;
+ struct i2c_client *client;
+ struct regmap *regmap;
struct dvb_frontend fe;
- struct af9013_config config;
+ u32 clk;
+ u8 tuner;
+ u32 if_frequency;
+ u8 ts_mode;
+ u8 ts_output_pin;
+ bool spec_inv;
+ u8 api_version[4];
+ u8 gpio[4];
/* tuner/demod RF and IF AGC limits used for signal strength calc */
u8 signal_strength_en, rf_50, rf_80, if_50, if_80;
@@ -44,188 +49,14 @@ struct af9013_state {
struct delayed_work statistics_work;
};
-/* write multiple registers */
-static int af9013_wr_regs_i2c(struct af9013_state *priv, u8 mbox, u16 reg,
- const u8 *val, int len)
-{
- int ret;
- u8 buf[MAX_XFER_SIZE];
- struct i2c_msg msg[1] = {
- {
- .addr = priv->config.i2c_addr,
- .flags = 0,
- .len = 3 + len,
- .buf = buf,
- }
- };
-
- if (3 + len > sizeof(buf)) {
- dev_warn(&priv->i2c->dev,
- "%s: i2c wr reg=%04x: len=%d is too big!\n",
- KBUILD_MODNAME, reg, len);
- return -EINVAL;
- }
-
- buf[0] = (reg >> 8) & 0xff;
- buf[1] = (reg >> 0) & 0xff;
- buf[2] = mbox;
- memcpy(&buf[3], val, len);
-
- ret = i2c_transfer(priv->i2c, msg, 1);
- if (ret == 1) {
- ret = 0;
- } else {
- dev_warn(&priv->i2c->dev, "%s: i2c wr failed=%d reg=%04x " \
- "len=%d\n", KBUILD_MODNAME, ret, reg, len);
- ret = -EREMOTEIO;
- }
- return ret;
-}
-
-/* read multiple registers */
-static int af9013_rd_regs_i2c(struct af9013_state *priv, u8 mbox, u16 reg,
- u8 *val, int len)
-{
- int ret;
- u8 buf[3];
- struct i2c_msg msg[2] = {
- {
- .addr = priv->config.i2c_addr,
- .flags = 0,
- .len = 3,
- .buf = buf,
- }, {
- .addr = priv->config.i2c_addr,
- .flags = I2C_M_RD,
- .len = len,
- .buf = val,
- }
- };
-
- buf[0] = (reg >> 8) & 0xff;
- buf[1] = (reg >> 0) & 0xff;
- buf[2] = mbox;
-
- ret = i2c_transfer(priv->i2c, msg, 2);
- if (ret == 2) {
- ret = 0;
- } else {
- dev_warn(&priv->i2c->dev, "%s: i2c rd failed=%d reg=%04x " \
- "len=%d\n", KBUILD_MODNAME, ret, reg, len);
- ret = -EREMOTEIO;
- }
- return ret;
-}
-
-/* write multiple registers */
-static int af9013_wr_regs(struct af9013_state *priv, u16 reg, const u8 *val,
- int len)
-{
- int ret, i;
- u8 mbox = (0 << 7)|(0 << 6)|(1 << 1)|(1 << 0);
-
- if ((priv->config.ts_mode == AF9013_TS_USB) &&
- ((reg & 0xff00) != 0xff00) && ((reg & 0xff00) != 0xae00)) {
- mbox |= ((len - 1) << 2);
- ret = af9013_wr_regs_i2c(priv, mbox, reg, val, len);
- } else {
- for (i = 0; i < len; i++) {
- ret = af9013_wr_regs_i2c(priv, mbox, reg+i, val+i, 1);
- if (ret)
- goto err;
- }
- }
-
-err:
- return 0;
-}
-
-/* read multiple registers */
-static int af9013_rd_regs(struct af9013_state *priv, u16 reg, u8 *val, int len)
-{
- int ret, i;
- u8 mbox = (0 << 7)|(0 << 6)|(1 << 1)|(0 << 0);
-
- if ((priv->config.ts_mode == AF9013_TS_USB) &&
- ((reg & 0xff00) != 0xff00) && ((reg & 0xff00) != 0xae00)) {
- mbox |= ((len - 1) << 2);
- ret = af9013_rd_regs_i2c(priv, mbox, reg, val, len);
- } else {
- for (i = 0; i < len; i++) {
- ret = af9013_rd_regs_i2c(priv, mbox, reg+i, val+i, 1);
- if (ret)
- goto err;
- }
- }
-
-err:
- return 0;
-}
-
-/* write single register */
-static int af9013_wr_reg(struct af9013_state *priv, u16 reg, u8 val)
-{
- return af9013_wr_regs(priv, reg, &val, 1);
-}
-
-/* read single register */
-static int af9013_rd_reg(struct af9013_state *priv, u16 reg, u8 *val)
-{
- return af9013_rd_regs(priv, reg, val, 1);
-}
-
-static int af9013_write_ofsm_regs(struct af9013_state *state, u16 reg, u8 *val,
- u8 len)
-{
- u8 mbox = (1 << 7)|(1 << 6)|((len - 1) << 2)|(1 << 1)|(1 << 0);
- return af9013_wr_regs_i2c(state, mbox, reg, val, len);
-}
-
-static int af9013_wr_reg_bits(struct af9013_state *state, u16 reg, int pos,
- int len, u8 val)
-{
- int ret;
- u8 tmp, mask;
-
- /* no need for read if whole reg is written */
- if (len != 8) {
- ret = af9013_rd_reg(state, reg, &tmp);
- if (ret)
- return ret;
-
- mask = (0xff >> (8 - len)) << pos;
- val <<= pos;
- tmp &= ~mask;
- val |= tmp;
- }
-
- return af9013_wr_reg(state, reg, val);
-}
-
-static int af9013_rd_reg_bits(struct af9013_state *state, u16 reg, int pos,
- int len, u8 *val)
-{
- int ret;
- u8 tmp;
-
- ret = af9013_rd_reg(state, reg, &tmp);
- if (ret)
- return ret;
-
- *val = (tmp >> pos);
- *val &= (0xff >> (8 - len));
-
- return 0;
-}
-
static int af9013_set_gpio(struct af9013_state *state, u8 gpio, u8 gpioval)
{
+ struct i2c_client *client = state->client;
int ret;
u8 pos;
u16 addr;
- dev_dbg(&state->i2c->dev, "%s: gpio=%d gpioval=%02x\n",
- __func__, gpio, gpioval);
+ dev_dbg(&client->dev, "gpio %u, gpioval %02x\n", gpio, gpioval);
/*
* GPIO0 & GPIO1 0xd735
@@ -243,8 +74,6 @@ static int af9013_set_gpio(struct af9013_state *state, u8 gpio, u8 gpioval)
break;
default:
- dev_err(&state->i2c->dev, "%s: invalid gpio=%d\n",
- KBUILD_MODNAME, gpio);
ret = -EINVAL;
goto err;
}
@@ -261,197 +90,124 @@ static int af9013_set_gpio(struct af9013_state *state, u8 gpio, u8 gpioval)
break;
}
- ret = af9013_wr_reg_bits(state, addr, pos, 4, gpioval);
+ ret = regmap_update_bits(state->regmap, addr, 0x0f << pos,
+ gpioval << pos);
if (ret)
goto err;
- return ret;
-err:
- dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
- return ret;
-}
-
-static u32 af9013_div(struct af9013_state *state, 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);
-
- if (a > b) {
- c = a / b;
- a = a - c * b;
- }
-
- for (i = 0; i < x; i++) {
- if (a >= b) {
- r += 1;
- a -= b;
- }
- a <<= 1;
- r <<= 1;
- }
- 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);
-
- return r;
-}
-
-static int af9013_power_ctrl(struct af9013_state *state, u8 onoff)
-{
- int ret, i;
- u8 tmp;
-
- dev_dbg(&state->i2c->dev, "%s: onoff=%d\n", __func__, onoff);
-
- /* enable reset */
- ret = af9013_wr_reg_bits(state, 0xd417, 4, 1, 1);
- if (ret)
- goto err;
-
- /* start reset mechanism */
- ret = af9013_wr_reg(state, 0xaeff, 1);
- if (ret)
- goto err;
-
- /* wait reset performs */
- for (i = 0; i < 150; i++) {
- ret = af9013_rd_reg_bits(state, 0xd417, 1, 1, &tmp);
- if (ret)
- goto err;
-
- if (tmp)
- break; /* reset done */
-
- usleep_range(5000, 25000);
- }
-
- if (!tmp)
- return -ETIMEDOUT;
-
- if (onoff) {
- /* clear reset */
- ret = af9013_wr_reg_bits(state, 0xd417, 1, 1, 0);
- if (ret)
- goto err;
-
- /* disable reset */
- ret = af9013_wr_reg_bits(state, 0xd417, 4, 1, 0);
-
- /* power on */
- ret = af9013_wr_reg_bits(state, 0xd73a, 3, 1, 0);
- } else {
- /* power off */
- ret = af9013_wr_reg_bits(state, 0xd73a, 3, 1, 1);
- }
-
- return ret;
+ return 0;
err:
- dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ dev_dbg(&client->dev, "failed %d\n", ret);
return ret;
}
static int af9013_statistics_ber_unc_start(struct dvb_frontend *fe)
{
struct af9013_state *state = fe->demodulator_priv;
+ struct i2c_client *client = state->client;
int ret;
- dev_dbg(&state->i2c->dev, "%s:\n", __func__);
+ dev_dbg(&client->dev, "\n");
/* reset and start BER counter */
- ret = af9013_wr_reg_bits(state, 0xd391, 4, 1, 1);
+ ret = regmap_update_bits(state->regmap, 0xd391, 0x10, 0x10);
if (ret)
goto err;
- return ret;
+ return 0;
err:
- dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ dev_dbg(&client->dev, "failed %d\n", ret);
return ret;
}
static int af9013_statistics_ber_unc_result(struct dvb_frontend *fe)
{
struct af9013_state *state = fe->demodulator_priv;
+ struct i2c_client *client = state->client;
int ret;
+ unsigned int utmp;
u8 buf[5];
- dev_dbg(&state->i2c->dev, "%s:\n", __func__);
+ dev_dbg(&client->dev, "\n");
/* check if error bit count is ready */
- ret = af9013_rd_reg_bits(state, 0xd391, 4, 1, &buf[0]);
+ ret = regmap_read(state->regmap, 0xd391, &utmp);
if (ret)
goto err;
- if (!buf[0]) {
- dev_dbg(&state->i2c->dev, "%s: not ready\n", __func__);
+ if (!((utmp >> 4) & 0x01)) {
+ dev_dbg(&client->dev, "not ready\n");
return 0;
}
- ret = af9013_rd_regs(state, 0xd387, buf, 5);
+ ret = regmap_bulk_read(state->regmap, 0xd387, buf, 5);
if (ret)
goto err;
state->ber = (buf[2] << 16) | (buf[1] << 8) | buf[0];
state->ucblocks += (buf[4] << 8) | buf[3];
- return ret;
+ return 0;
err:
- dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ dev_dbg(&client->dev, "failed %d\n", ret);
return ret;
}
static int af9013_statistics_snr_start(struct dvb_frontend *fe)
{
struct af9013_state *state = fe->demodulator_priv;
+ struct i2c_client *client = state->client;
int ret;
- dev_dbg(&state->i2c->dev, "%s:\n", __func__);
+ dev_dbg(&client->dev, "\n");
/* start SNR meas */
- ret = af9013_wr_reg_bits(state, 0xd2e1, 3, 1, 1);
+ ret = regmap_update_bits(state->regmap, 0xd2e1, 0x08, 0x08);
if (ret)
goto err;
- return ret;
+ return 0;
err:
- dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ dev_dbg(&client->dev, "failed %d\n", ret);
return ret;
}
static int af9013_statistics_snr_result(struct dvb_frontend *fe)
{
struct af9013_state *state = fe->demodulator_priv;
+ struct i2c_client *client = state->client;
+ struct dtv_frontend_properties *c = &fe->dtv_property_cache;
int ret, i, len;
- u8 buf[3], tmp;
+ unsigned int utmp;
+ u8 buf[3];
u32 snr_val;
const struct af9013_snr *uninitialized_var(snr_lut);
- dev_dbg(&state->i2c->dev, "%s:\n", __func__);
+ dev_dbg(&client->dev, "\n");
/* check if SNR ready */
- ret = af9013_rd_reg_bits(state, 0xd2e1, 3, 1, &tmp);
+ ret = regmap_read(state->regmap, 0xd2e1, &utmp);
if (ret)
goto err;
- if (!tmp) {
- dev_dbg(&state->i2c->dev, "%s: not ready\n", __func__);
+ if (!((utmp >> 3) & 0x01)) {
+ dev_dbg(&client->dev, "not ready\n");
return 0;
}
/* read value */
- ret = af9013_rd_regs(state, 0xd2e3, buf, 3);
+ ret = regmap_bulk_read(state->regmap, 0xd2e3, buf, 3);
if (ret)
goto err;
snr_val = (buf[2] << 16) | (buf[1] << 8) | buf[0];
/* read current modulation */
- ret = af9013_rd_reg(state, 0xd3c1, &tmp);
+ ret = regmap_read(state->regmap, 0xd3c1, &utmp);
if (ret)
goto err;
- switch ((tmp >> 6) & 3) {
+ switch ((utmp >> 6) & 3) {
case 0:
len = ARRAY_SIZE(qpsk_snr_lut);
snr_lut = qpsk_snr_lut;
@@ -469,32 +225,36 @@ static int af9013_statistics_snr_result(struct dvb_frontend *fe)
}
for (i = 0; i < len; i++) {
- tmp = snr_lut[i].snr;
+ utmp = snr_lut[i].snr;
if (snr_val < snr_lut[i].val)
break;
}
- state->snr = tmp * 10; /* dB/10 */
+ state->snr = utmp * 10; /* dB/10 */
- return ret;
+ c->cnr.stat[0].svalue = 1000 * utmp;
+ c->cnr.stat[0].scale = FE_SCALE_DECIBEL;
+
+ return 0;
err:
- dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ dev_dbg(&client->dev, "failed %d\n", ret);
return ret;
}
static int af9013_statistics_signal_strength(struct dvb_frontend *fe)
{
struct af9013_state *state = fe->demodulator_priv;
+ struct i2c_client *client = state->client;
int ret = 0;
u8 buf[2], rf_gain, if_gain;
int signal_strength;
- dev_dbg(&state->i2c->dev, "%s:\n", __func__);
+ dev_dbg(&client->dev, "\n");
if (!state->signal_strength_en)
return 0;
- ret = af9013_rd_regs(state, 0xd07c, buf, 2);
+ ret = regmap_bulk_read(state->regmap, 0xd07c, buf, 2);
if (ret)
goto err;
@@ -513,9 +273,9 @@ static int af9013_statistics_signal_strength(struct dvb_frontend *fe)
state->signal_strength = signal_strength;
- return ret;
+ return 0;
err:
- dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ dev_dbg(&client->dev, "failed %d\n", ret);
return ret;
}
@@ -535,6 +295,7 @@ static void af9013_statistics_work(struct work_struct *work)
switch (state->statistics_step) {
default:
state->statistics_step = 0;
+ /* fall-through */
case 0:
af9013_statistics_signal_strength(&state->fe);
state->statistics_step++;
@@ -579,61 +340,72 @@ static int af9013_get_tune_settings(struct dvb_frontend *fe,
static int af9013_set_frontend(struct dvb_frontend *fe)
{
struct af9013_state *state = fe->demodulator_priv;
+ struct i2c_client *client = state->client;
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
int ret, i, sampling_freq;
bool auto_mode, spec_inv;
u8 buf[6];
u32 if_frequency, freq_cw;
- dev_dbg(&state->i2c->dev, "%s: frequency=%d bandwidth_hz=%d\n",
- __func__, c->frequency, c->bandwidth_hz);
+ dev_dbg(&client->dev, "frequency %u, bandwidth_hz %u\n",
+ c->frequency, c->bandwidth_hz);
/* program tuner */
- if (fe->ops.tuner_ops.set_params)
- fe->ops.tuner_ops.set_params(fe);
+ if (fe->ops.tuner_ops.set_params) {
+ ret = fe->ops.tuner_ops.set_params(fe);
+ if (ret)
+ goto err;
+ }
/* program CFOE coefficients */
if (c->bandwidth_hz != state->bandwidth_hz) {
for (i = 0; i < ARRAY_SIZE(coeff_lut); i++) {
- if (coeff_lut[i].clock == state->config.clock &&
+ if (coeff_lut[i].clock == state->clk &&
coeff_lut[i].bandwidth_hz == c->bandwidth_hz) {
break;
}
}
/* Return an error if can't find bandwidth or the right clock */
- if (i == ARRAY_SIZE(coeff_lut))
- return -EINVAL;
+ if (i == ARRAY_SIZE(coeff_lut)) {
+ ret = -EINVAL;
+ goto err;
+ }
- ret = af9013_wr_regs(state, 0xae00, coeff_lut[i].val,
- sizeof(coeff_lut[i].val));
+ ret = regmap_bulk_write(state->regmap, 0xae00, coeff_lut[i].val,
+ sizeof(coeff_lut[i].val));
+ if (ret)
+ goto err;
}
/* program frequency control */
if (c->bandwidth_hz != state->bandwidth_hz || state->first_tune) {
/* get used IF frequency */
- if (fe->ops.tuner_ops.get_if_frequency)
- fe->ops.tuner_ops.get_if_frequency(fe, &if_frequency);
- else
- if_frequency = state->config.if_frequency;
+ if (fe->ops.tuner_ops.get_if_frequency) {
+ ret = fe->ops.tuner_ops.get_if_frequency(fe,
+ &if_frequency);
+ if (ret)
+ goto err;
+ } else {
+ if_frequency = state->if_frequency;
+ }
- dev_dbg(&state->i2c->dev, "%s: if_frequency=%d\n",
- __func__, if_frequency);
+ dev_dbg(&client->dev, "if_frequency %u\n", if_frequency);
sampling_freq = if_frequency;
- while (sampling_freq > (state->config.clock / 2))
- sampling_freq -= state->config.clock;
+ while (sampling_freq > (state->clk / 2))
+ sampling_freq -= state->clk;
if (sampling_freq < 0) {
sampling_freq *= -1;
- spec_inv = state->config.spec_inv;
+ spec_inv = state->spec_inv;
} else {
- spec_inv = !state->config.spec_inv;
+ spec_inv = !state->spec_inv;
}
- freq_cw = af9013_div(state, sampling_freq, state->config.clock,
- 23);
+ freq_cw = DIV_ROUND_CLOSEST_ULL((u64)sampling_freq * 0x800000,
+ state->clk);
if (spec_inv)
freq_cw = 0x800000 - freq_cw;
@@ -648,32 +420,32 @@ static int af9013_set_frontend(struct dvb_frontend *fe)
buf[4] = (freq_cw >> 8) & 0xff;
buf[5] = (freq_cw >> 16) & 0x7f;
- ret = af9013_wr_regs(state, 0xd140, buf, 3);
+ ret = regmap_bulk_write(state->regmap, 0xd140, buf, 3);
if (ret)
goto err;
- ret = af9013_wr_regs(state, 0x9be7, buf, 6);
+ ret = regmap_bulk_write(state->regmap, 0x9be7, buf, 6);
if (ret)
goto err;
}
/* clear TPS lock flag */
- ret = af9013_wr_reg_bits(state, 0xd330, 3, 1, 1);
+ ret = regmap_update_bits(state->regmap, 0xd330, 0x08, 0x08);
if (ret)
goto err;
/* clear MPEG2 lock flag */
- ret = af9013_wr_reg_bits(state, 0xd507, 6, 1, 0);
+ ret = regmap_update_bits(state->regmap, 0xd507, 0x40, 0x00);
if (ret)
goto err;
/* empty channel function */
- ret = af9013_wr_reg_bits(state, 0x9bfe, 0, 1, 0);
+ ret = regmap_update_bits(state->regmap, 0x9bfe, 0x01, 0x00);
if (ret)
goto err;
/* empty DVB-T channel function */
- ret = af9013_wr_reg_bits(state, 0x9bc2, 0, 1, 0);
+ ret = regmap_update_bits(state->regmap, 0x9bc2, 0x01, 0x00);
if (ret)
goto err;
@@ -691,8 +463,7 @@ static int af9013_set_frontend(struct dvb_frontend *fe)
buf[0] |= (1 << 0);
break;
default:
- dev_dbg(&state->i2c->dev, "%s: invalid transmission_mode\n",
- __func__);
+ dev_dbg(&client->dev, "invalid transmission_mode\n");
auto_mode = true;
}
@@ -712,8 +483,7 @@ static int af9013_set_frontend(struct dvb_frontend *fe)
buf[0] |= (3 << 2);
break;
default:
- dev_dbg(&state->i2c->dev, "%s: invalid guard_interval\n",
- __func__);
+ dev_dbg(&client->dev, "invalid guard_interval\n");
auto_mode = true;
}
@@ -733,7 +503,7 @@ static int af9013_set_frontend(struct dvb_frontend *fe)
buf[0] |= (3 << 4);
break;
default:
- dev_dbg(&state->i2c->dev, "%s: invalid hierarchy\n", __func__);
+ dev_dbg(&client->dev, "invalid hierarchy\n");
auto_mode = true;
}
@@ -750,7 +520,7 @@ static int af9013_set_frontend(struct dvb_frontend *fe)
buf[1] |= (2 << 6);
break;
default:
- dev_dbg(&state->i2c->dev, "%s: invalid modulation\n", __func__);
+ dev_dbg(&client->dev, "invalid modulation\n");
auto_mode = true;
}
@@ -776,8 +546,7 @@ static int af9013_set_frontend(struct dvb_frontend *fe)
buf[2] |= (4 << 0);
break;
default:
- dev_dbg(&state->i2c->dev, "%s: invalid code_rate_HP\n",
- __func__);
+ dev_dbg(&client->dev, "invalid code_rate_HP\n");
auto_mode = true;
}
@@ -802,8 +571,7 @@ static int af9013_set_frontend(struct dvb_frontend *fe)
case FEC_NONE:
break;
default:
- dev_dbg(&state->i2c->dev, "%s: invalid code_rate_LP\n",
- __func__);
+ dev_dbg(&client->dev, "invalid code_rate_LP\n");
auto_mode = true;
}
@@ -817,38 +585,37 @@ static int af9013_set_frontend(struct dvb_frontend *fe)
buf[1] |= (2 << 2);
break;
default:
- dev_dbg(&state->i2c->dev, "%s: invalid bandwidth_hz\n",
- __func__);
+ dev_dbg(&client->dev, "invalid bandwidth_hz\n");
ret = -EINVAL;
goto err;
}
- ret = af9013_wr_regs(state, 0xd3c0, buf, 3);
+ ret = regmap_bulk_write(state->regmap, 0xd3c0, buf, 3);
if (ret)
goto err;
if (auto_mode) {
/* clear easy mode flag */
- ret = af9013_wr_reg(state, 0xaefd, 0);
+ ret = regmap_write(state->regmap, 0xaefd, 0x00);
if (ret)
goto err;
- dev_dbg(&state->i2c->dev, "%s: auto params\n", __func__);
+ dev_dbg(&client->dev, "auto params\n");
} else {
/* set easy mode flag */
- ret = af9013_wr_reg(state, 0xaefd, 1);
+ ret = regmap_write(state->regmap, 0xaefd, 0x01);
if (ret)
goto err;
- ret = af9013_wr_reg(state, 0xaefe, 0);
+ ret = regmap_write(state->regmap, 0xaefe, 0x00);
if (ret)
goto err;
- dev_dbg(&state->i2c->dev, "%s: manual params\n", __func__);
+ dev_dbg(&client->dev, "manual params\n");
}
- /* tune */
- ret = af9013_wr_reg(state, 0xffff, 0);
+ /* Reset FSM */
+ ret = regmap_write(state->regmap, 0xffff, 0x00);
if (ret)
goto err;
@@ -856,9 +623,9 @@ static int af9013_set_frontend(struct dvb_frontend *fe)
state->set_frontend_jiffies = jiffies;
state->first_tune = false;
- return ret;
+ return 0;
err:
- dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ dev_dbg(&client->dev, "failed %d\n", ret);
return ret;
}
@@ -866,12 +633,13 @@ static int af9013_get_frontend(struct dvb_frontend *fe,
struct dtv_frontend_properties *c)
{
struct af9013_state *state = fe->demodulator_priv;
+ struct i2c_client *client = state->client;
int ret;
u8 buf[3];
- dev_dbg(&state->i2c->dev, "%s:\n", __func__);
+ dev_dbg(&client->dev, "\n");
- ret = af9013_rd_regs(state, 0xd3c0, buf, 3);
+ ret = regmap_bulk_read(state->regmap, 0xd3c0, buf, 3);
if (ret)
goto err;
@@ -973,17 +741,18 @@ static int af9013_get_frontend(struct dvb_frontend *fe,
break;
}
- return ret;
+ return 0;
err:
- dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ dev_dbg(&client->dev, "failed %d\n", ret);
return ret;
}
static int af9013_read_status(struct dvb_frontend *fe, enum fe_status *status)
{
struct af9013_state *state = fe->demodulator_priv;
+ struct i2c_client *client = state->client;
int ret;
- u8 tmp;
+ unsigned int utmp;
/*
* Return status from the cache if it is younger than 2000ms with the
@@ -1001,21 +770,21 @@ static int af9013_read_status(struct dvb_frontend *fe, enum fe_status *status)
}
/* MPEG2 lock */
- ret = af9013_rd_reg_bits(state, 0xd507, 6, 1, &tmp);
+ ret = regmap_read(state->regmap, 0xd507, &utmp);
if (ret)
goto err;
- if (tmp)
+ if ((utmp >> 6) & 0x01)
*status |= FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_VITERBI |
FE_HAS_SYNC | FE_HAS_LOCK;
if (!*status) {
/* TPS lock */
- ret = af9013_rd_reg_bits(state, 0xd330, 3, 1, &tmp);
+ ret = regmap_read(state->regmap, 0xd330, &utmp);
if (ret)
goto err;
- if (tmp)
+ if ((utmp >> 3) & 0x01)
*status |= FE_HAS_SIGNAL | FE_HAS_CARRIER |
FE_HAS_VITERBI;
}
@@ -1023,9 +792,9 @@ static int af9013_read_status(struct dvb_frontend *fe, enum fe_status *status)
state->fe_status = *status;
state->read_status_jiffies = jiffies;
- return ret;
+ return 0;
err:
- dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ dev_dbg(&client->dev, "failed %d\n", ret);
return ret;
}
@@ -1060,118 +829,82 @@ static int af9013_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
static int af9013_init(struct dvb_frontend *fe)
{
struct af9013_state *state = fe->demodulator_priv;
+ struct i2c_client *client = state->client;
int ret, i, len;
- u8 buf[3], tmp;
- u32 adc_cw;
+ unsigned int utmp;
+ u8 buf[3];
const struct af9013_reg_bit *init;
- dev_dbg(&state->i2c->dev, "%s:\n", __func__);
+ dev_dbg(&client->dev, "\n");
+
+ /* ADC on */
+ ret = regmap_update_bits(state->regmap, 0xd73a, 0x08, 0x00);
+ if (ret)
+ goto err;
- /* power on */
- ret = af9013_power_ctrl(state, 1);
+ /* Clear reset */
+ ret = regmap_update_bits(state->regmap, 0xd417, 0x02, 0x00);
if (ret)
goto err;
- /* enable ADC */
- ret = af9013_wr_reg(state, 0xd73a, 0xa4);
+ /* Disable reset */
+ ret = regmap_update_bits(state->regmap, 0xd417, 0x10, 0x00);
if (ret)
goto err;
/* write API version to firmware */
- ret = af9013_wr_regs(state, 0x9bf2, state->config.api_version, 4);
+ ret = regmap_bulk_write(state->regmap, 0x9bf2, state->api_version, 4);
if (ret)
goto err;
/* program ADC control */
- switch (state->config.clock) {
+ switch (state->clk) {
case 28800000: /* 28.800 MHz */
- tmp = 0;
+ utmp = 0;
break;
case 20480000: /* 20.480 MHz */
- tmp = 1;
+ utmp = 1;
break;
case 28000000: /* 28.000 MHz */
- tmp = 2;
+ utmp = 2;
break;
case 25000000: /* 25.000 MHz */
- tmp = 3;
+ utmp = 3;
break;
default:
- dev_err(&state->i2c->dev, "%s: invalid clock\n",
- KBUILD_MODNAME);
- return -EINVAL;
- }
-
- adc_cw = af9013_div(state, state->config.clock, 1000000ul, 19);
- buf[0] = (adc_cw >> 0) & 0xff;
- buf[1] = (adc_cw >> 8) & 0xff;
- buf[2] = (adc_cw >> 16) & 0xff;
-
- ret = af9013_wr_regs(state, 0xd180, buf, 3);
- if (ret)
- goto err;
-
- ret = af9013_wr_reg_bits(state, 0x9bd2, 0, 4, tmp);
- if (ret)
- goto err;
-
- /* set I2C master clock */
- ret = af9013_wr_reg(state, 0xd416, 0x14);
- if (ret)
- goto err;
-
- /* set 16 embx */
- ret = af9013_wr_reg_bits(state, 0xd700, 1, 1, 1);
- if (ret)
- goto err;
-
- /* set no trigger */
- ret = af9013_wr_reg_bits(state, 0xd700, 2, 1, 0);
- if (ret)
+ ret = -EINVAL;
goto err;
+ }
- /* set read-update bit for constellation */
- ret = af9013_wr_reg_bits(state, 0xd371, 1, 1, 1);
+ ret = regmap_update_bits(state->regmap, 0x9bd2, 0x0f, utmp);
if (ret)
goto err;
- /* settings for mp2if */
- if (state->config.ts_mode == AF9013_TS_USB) {
- /* AF9015 split PSB to 1.5k + 0.5k */
- ret = af9013_wr_reg_bits(state, 0xd50b, 2, 1, 1);
- if (ret)
- goto err;
- } else {
- /* AF9013 change the output bit to data7 */
- ret = af9013_wr_reg_bits(state, 0xd500, 3, 1, 1);
- if (ret)
- goto err;
-
- /* AF9013 set mpeg to full speed */
- ret = af9013_wr_reg_bits(state, 0xd502, 4, 1, 1);
- if (ret)
- goto err;
- }
-
- ret = af9013_wr_reg_bits(state, 0xd520, 4, 1, 1);
+ utmp = div_u64((u64)state->clk * 0x80000, 1000000);
+ buf[0] = (utmp >> 0) & 0xff;
+ buf[1] = (utmp >> 8) & 0xff;
+ buf[2] = (utmp >> 16) & 0xff;
+ ret = regmap_bulk_write(state->regmap, 0xd180, buf, 3);
if (ret)
goto err;
/* load OFSM settings */
- dev_dbg(&state->i2c->dev, "%s: load ofsm settings\n", __func__);
+ dev_dbg(&client->dev, "load ofsm settings\n");
len = ARRAY_SIZE(ofsm_init);
init = ofsm_init;
for (i = 0; i < len; i++) {
- ret = af9013_wr_reg_bits(state, init[i].addr, init[i].pos,
- init[i].len, init[i].val);
+ u16 reg = init[i].addr;
+ u8 mask = GENMASK(init[i].pos + init[i].len - 1, init[i].pos);
+ u8 val = init[i].val << init[i].pos;
+
+ ret = regmap_update_bits(state->regmap, reg, mask, val);
if (ret)
goto err;
}
/* load tuner specific settings */
- dev_dbg(&state->i2c->dev, "%s: load tuner specific settings\n",
- __func__);
- switch (state->config.tuner) {
+ dev_dbg(&client->dev, "load tuner specific settings\n");
+ switch (state->tuner) {
case AF9013_TUNER_MXL5003D:
len = ARRAY_SIZE(tuner_init_mxl5003d);
init = tuner_init_mxl5003d;
@@ -1216,98 +949,126 @@ static int af9013_init(struct dvb_frontend *fe)
}
for (i = 0; i < len; i++) {
- ret = af9013_wr_reg_bits(state, init[i].addr, init[i].pos,
- init[i].len, init[i].val);
+ u16 reg = init[i].addr;
+ u8 mask = GENMASK(init[i].pos + init[i].len - 1, init[i].pos);
+ u8 val = init[i].val << init[i].pos;
+
+ ret = regmap_update_bits(state->regmap, reg, mask, val);
if (ret)
goto err;
}
- /* TS mode */
- ret = af9013_wr_reg_bits(state, 0xd500, 1, 2, state->config.ts_mode);
+ /* TS interface */
+ if (state->ts_output_pin == 7)
+ utmp = 1 << 3 | state->ts_mode << 1;
+ else
+ utmp = 0 << 3 | state->ts_mode << 1;
+ ret = regmap_update_bits(state->regmap, 0xd500, 0x0e, utmp);
if (ret)
goto err;
/* enable lock led */
- ret = af9013_wr_reg_bits(state, 0xd730, 0, 1, 1);
+ ret = regmap_update_bits(state->regmap, 0xd730, 0x01, 0x01);
if (ret)
goto err;
/* check if we support signal strength */
if (!state->signal_strength_en) {
- ret = af9013_rd_reg_bits(state, 0x9bee, 0, 1,
- &state->signal_strength_en);
+ ret = regmap_read(state->regmap, 0x9bee, &utmp);
if (ret)
goto err;
+
+ state->signal_strength_en = (utmp >> 0) & 0x01;
}
/* read values needed for signal strength calculation */
if (state->signal_strength_en && !state->rf_50) {
- ret = af9013_rd_reg(state, 0x9bbd, &state->rf_50);
+ ret = regmap_bulk_read(state->regmap, 0x9bbd, &state->rf_50, 1);
if (ret)
goto err;
-
- ret = af9013_rd_reg(state, 0x9bd0, &state->rf_80);
+ ret = regmap_bulk_read(state->regmap, 0x9bd0, &state->rf_80, 1);
if (ret)
goto err;
-
- ret = af9013_rd_reg(state, 0x9be2, &state->if_50);
+ ret = regmap_bulk_read(state->regmap, 0x9be2, &state->if_50, 1);
if (ret)
goto err;
-
- ret = af9013_rd_reg(state, 0x9be4, &state->if_80);
+ ret = regmap_bulk_read(state->regmap, 0x9be4, &state->if_80, 1);
if (ret)
goto err;
}
/* SNR */
- ret = af9013_wr_reg(state, 0xd2e2, 1);
+ ret = regmap_write(state->regmap, 0xd2e2, 0x01);
if (ret)
goto err;
/* BER / UCB */
buf[0] = (10000 >> 0) & 0xff;
buf[1] = (10000 >> 8) & 0xff;
- ret = af9013_wr_regs(state, 0xd385, buf, 2);
+ ret = regmap_bulk_write(state->regmap, 0xd385, buf, 2);
if (ret)
goto err;
/* enable FEC monitor */
- ret = af9013_wr_reg_bits(state, 0xd392, 1, 1, 1);
+ ret = regmap_update_bits(state->regmap, 0xd392, 0x02, 0x02);
if (ret)
goto err;
state->first_tune = true;
schedule_delayed_work(&state->statistics_work, msecs_to_jiffies(400));
- return ret;
+ return 0;
err:
- dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ dev_dbg(&client->dev, "failed %d\n", ret);
return ret;
}
static int af9013_sleep(struct dvb_frontend *fe)
{
struct af9013_state *state = fe->demodulator_priv;
+ struct i2c_client *client = state->client;
int ret;
+ unsigned int utmp;
- dev_dbg(&state->i2c->dev, "%s:\n", __func__);
+ dev_dbg(&client->dev, "\n");
/* stop statistics polling */
cancel_delayed_work_sync(&state->statistics_work);
/* disable lock led */
- ret = af9013_wr_reg_bits(state, 0xd730, 0, 1, 0);
+ ret = regmap_update_bits(state->regmap, 0xd730, 0x01, 0x00);
if (ret)
goto err;
- /* power off */
- ret = af9013_power_ctrl(state, 0);
+ /* Enable reset */
+ ret = regmap_update_bits(state->regmap, 0xd417, 0x10, 0x10);
if (ret)
goto err;
- return ret;
+ /* Start reset execution */
+ ret = regmap_write(state->regmap, 0xaeff, 0x01);
+ if (ret)
+ goto err;
+
+ /* Wait reset performs */
+ ret = regmap_read_poll_timeout(state->regmap, 0xd417, utmp,
+ (utmp >> 1) & 0x01, 5000, 1000000);
+ if (ret)
+ goto err;
+
+ if (!((utmp >> 1) & 0x01)) {
+ ret = -ETIMEDOUT;
+ goto err;
+ }
+
+ /* ADC off */
+ ret = regmap_update_bits(state->regmap, 0xd73a, 0x08, 0x08);
+ if (ret)
+ goto err;
+
+ return 0;
err:
- dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ dev_dbg(&client->dev, "failed %d\n", ret);
return ret;
}
@@ -1315,200 +1076,174 @@ static int af9013_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
{
int ret;
struct af9013_state *state = fe->demodulator_priv;
+ struct i2c_client *client = state->client;
- dev_dbg(&state->i2c->dev, "%s: enable=%d\n", __func__, enable);
+ dev_dbg(&client->dev, "enable %d\n", enable);
/* gate already open or close */
if (state->i2c_gate_state == enable)
return 0;
- if (state->config.ts_mode == AF9013_TS_USB)
- ret = af9013_wr_reg_bits(state, 0xd417, 3, 1, enable);
+ if (state->ts_mode == AF9013_TS_MODE_USB)
+ ret = regmap_update_bits(state->regmap, 0xd417, 0x08,
+ enable << 3);
else
- ret = af9013_wr_reg_bits(state, 0xd607, 2, 1, enable);
+ ret = regmap_update_bits(state->regmap, 0xd607, 0x04,
+ enable << 2);
if (ret)
goto err;
state->i2c_gate_state = enable;
- return ret;
+ return 0;
err:
- dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ dev_dbg(&client->dev, "failed %d\n", ret);
return ret;
}
static void af9013_release(struct dvb_frontend *fe)
{
struct af9013_state *state = fe->demodulator_priv;
+ struct i2c_client *client = state->client;
- /* stop statistics polling */
- cancel_delayed_work_sync(&state->statistics_work);
+ dev_dbg(&client->dev, "\n");
- kfree(state);
+ i2c_unregister_device(client);
}
static const struct dvb_frontend_ops af9013_ops;
static int af9013_download_firmware(struct af9013_state *state)
{
- int i, len, remaining, ret;
- const struct firmware *fw;
+ struct i2c_client *client = state->client;
+ int ret, i, len, rem;
+ unsigned int utmp;
+ u8 buf[4];
u16 checksum = 0;
- u8 val;
- u8 fw_params[4];
- u8 *fw_file = AF9013_FIRMWARE;
+ const struct firmware *firmware;
+ const char *name = AF9013_FIRMWARE;
- msleep(100);
- /* check whether firmware is already running */
- ret = af9013_rd_reg(state, 0x98be, &val);
+ dev_dbg(&client->dev, "\n");
+
+ /* Check whether firmware is already running */
+ ret = regmap_read(state->regmap, 0x98be, &utmp);
if (ret)
goto err;
- else
- dev_dbg(&state->i2c->dev, "%s: firmware status=%02x\n",
- __func__, val);
- if (val == 0x0c) /* fw is running, no need for download */
- goto exit;
+ dev_dbg(&client->dev, "firmware status %02x\n", utmp);
- dev_info(&state->i2c->dev, "%s: found a '%s' in cold state, will try " \
- "to load a firmware\n",
- KBUILD_MODNAME, af9013_ops.info.name);
+ if (utmp == 0x0c)
+ return 0;
- /* request the firmware, this will block and timeout */
- ret = request_firmware(&fw, fw_file, state->i2c->dev.parent);
+ dev_info(&client->dev, "found a '%s' in cold state, will try to load a firmware\n",
+ af9013_ops.info.name);
+
+ /* Request the firmware, will block and timeout */
+ ret = request_firmware(&firmware, name, &client->dev);
if (ret) {
- dev_info(&state->i2c->dev, "%s: did not find the firmware " \
- "file. (%s) Please see linux/Documentation/dvb/ for " \
- "more details on firmware-problems. (%d)\n",
- KBUILD_MODNAME, fw_file, ret);
+ dev_info(&client->dev, "firmware file '%s' not found %d\n",
+ name, ret);
goto err;
}
- dev_info(&state->i2c->dev, "%s: downloading firmware from file '%s'\n",
- KBUILD_MODNAME, fw_file);
-
- /* calc checksum */
- for (i = 0; i < fw->size; i++)
- checksum += fw->data[i];
+ dev_info(&client->dev, "downloading firmware from file '%s'\n",
+ name);
- fw_params[0] = checksum >> 8;
- fw_params[1] = checksum & 0xff;
- fw_params[2] = fw->size >> 8;
- fw_params[3] = fw->size & 0xff;
+ /* Write firmware checksum & size */
+ for (i = 0; i < firmware->size; i++)
+ checksum += firmware->data[i];
- /* write fw checksum & size */
- ret = af9013_write_ofsm_regs(state, 0x50fc,
- fw_params, sizeof(fw_params));
+ buf[0] = (checksum >> 8) & 0xff;
+ buf[1] = (checksum >> 0) & 0xff;
+ buf[2] = (firmware->size >> 8) & 0xff;
+ buf[3] = (firmware->size >> 0) & 0xff;
+ ret = regmap_bulk_write(state->regmap, 0x50fc, buf, 4);
if (ret)
- goto err_release;
-
- #define FW_ADDR 0x5100 /* firmware start address */
- #define LEN_MAX 16 /* max packet size */
- for (remaining = fw->size; remaining > 0; remaining -= LEN_MAX) {
- len = remaining;
- if (len > LEN_MAX)
- len = LEN_MAX;
-
- ret = af9013_write_ofsm_regs(state,
- FW_ADDR + fw->size - remaining,
- (u8 *) &fw->data[fw->size - remaining], len);
+ goto err_release_firmware;
+
+ /* Download firmware */
+ #define LEN_MAX 16
+ for (rem = firmware->size; rem > 0; rem -= LEN_MAX) {
+ len = min(LEN_MAX, rem);
+ ret = regmap_bulk_write(state->regmap,
+ 0x5100 + firmware->size - rem,
+ &firmware->data[firmware->size - rem],
+ len);
if (ret) {
- dev_err(&state->i2c->dev,
- "%s: firmware download failed=%d\n",
- KBUILD_MODNAME, ret);
- goto err_release;
+ dev_err(&client->dev, "firmware download failed %d\n",
+ ret);
+ goto err_release_firmware;
}
}
- /* request boot firmware */
- ret = af9013_wr_reg(state, 0xe205, 1);
- if (ret)
- goto err_release;
-
- for (i = 0; i < 15; i++) {
- msleep(100);
+ release_firmware(firmware);
- /* check firmware status */
- ret = af9013_rd_reg(state, 0x98be, &val);
- if (ret)
- goto err_release;
+ /* Boot firmware */
+ ret = regmap_write(state->regmap, 0xe205, 0x01);
+ if (ret)
+ goto err;
- dev_dbg(&state->i2c->dev, "%s: firmware status=%02x\n",
- __func__, val);
+ /* Check firmware status. 0c=OK, 04=fail */
+ ret = regmap_read_poll_timeout(state->regmap, 0x98be, utmp,
+ (utmp == 0x0c || utmp == 0x04),
+ 5000, 1000000);
+ if (ret)
+ goto err;
- if (val == 0x0c || val == 0x04) /* success or fail */
- break;
- }
+ dev_dbg(&client->dev, "firmware status %02x\n", utmp);
- if (val == 0x04) {
- dev_err(&state->i2c->dev, "%s: firmware did not run\n",
- KBUILD_MODNAME);
+ if (utmp == 0x04) {
ret = -ENODEV;
- } else if (val != 0x0c) {
- dev_err(&state->i2c->dev, "%s: firmware boot timeout\n",
- KBUILD_MODNAME);
+ dev_err(&client->dev, "firmware did not run\n");
+ goto err;
+ } else if (utmp != 0x0c) {
ret = -ENODEV;
+ dev_err(&client->dev, "firmware boot timeout\n");
+ goto err;
}
-err_release:
- release_firmware(fw);
+ dev_info(&client->dev, "found a '%s' in warm state\n",
+ af9013_ops.info.name);
+
+ return 0;
+err_release_firmware:
+ release_firmware(firmware);
err:
-exit:
- if (!ret)
- dev_info(&state->i2c->dev, "%s: found a '%s' in warm state\n",
- KBUILD_MODNAME, af9013_ops.info.name);
+ dev_dbg(&client->dev, "failed %d\n", ret);
return ret;
}
+/*
+ * XXX: That is wrapper to af9013_probe() via driver core in order to provide
+ * proper I2C client for legacy media attach binding.
+ * New users must use I2C client binding directly!
+ */
struct dvb_frontend *af9013_attach(const struct af9013_config *config,
- struct i2c_adapter *i2c)
+ struct i2c_adapter *i2c)
{
- int ret;
- struct af9013_state *state = NULL;
- u8 buf[4], i;
-
- /* allocate memory for the internal state */
- state = kzalloc(sizeof(struct af9013_state), GFP_KERNEL);
- if (state == NULL)
- goto err;
-
- /* setup the state */
- state->i2c = i2c;
- memcpy(&state->config, config, sizeof(struct af9013_config));
-
- /* download firmware */
- if (state->config.ts_mode != AF9013_TS_USB) {
- ret = af9013_download_firmware(state);
- if (ret)
- goto err;
- }
-
- /* firmware version */
- ret = af9013_rd_regs(state, 0x5103, buf, 4);
- if (ret)
- goto err;
-
- dev_info(&state->i2c->dev, "%s: firmware version %d.%d.%d.%d\n",
- KBUILD_MODNAME, buf[0], buf[1], buf[2], buf[3]);
-
- /* set GPIOs */
- for (i = 0; i < sizeof(state->config.gpio); i++) {
- ret = af9013_set_gpio(state, i, state->config.gpio[i]);
- if (ret)
- goto err;
- }
-
- /* create dvb_frontend */
- memcpy(&state->fe.ops, &af9013_ops,
- sizeof(struct dvb_frontend_ops));
- state->fe.demodulator_priv = state;
-
- INIT_DELAYED_WORK(&state->statistics_work, af9013_statistics_work);
-
- return &state->fe;
-err:
- kfree(state);
- return NULL;
+ struct i2c_client *client;
+ struct i2c_board_info board_info;
+ struct af9013_platform_data pdata;
+
+ pdata.clk = config->clock;
+ pdata.tuner = config->tuner;
+ pdata.if_frequency = config->if_frequency;
+ pdata.ts_mode = config->ts_mode;
+ pdata.ts_output_pin = 7;
+ pdata.spec_inv = config->spec_inv;
+ memcpy(&pdata.api_version, config->api_version, sizeof(pdata.api_version));
+ memcpy(&pdata.gpio, config->gpio, sizeof(pdata.gpio));
+ pdata.attach_in_use = true;
+
+ memset(&board_info, 0, sizeof(board_info));
+ strlcpy(board_info.type, "af9013", sizeof(board_info.type));
+ board_info.addr = config->i2c_addr;
+ board_info.platform_data = &pdata;
+ client = i2c_new_device(i2c, &board_info);
+ if (!client || !client->dev.driver)
+ return NULL;
+
+ return pdata.get_dvb_frontend(client);
}
EXPORT_SYMBOL(af9013_attach);
@@ -1555,6 +1290,279 @@ static const struct dvb_frontend_ops af9013_ops = {
.i2c_gate_ctrl = af9013_i2c_gate_ctrl,
};
+static struct dvb_frontend *af9013_get_dvb_frontend(struct i2c_client *client)
+{
+ struct af9013_state *state = i2c_get_clientdata(client);
+
+ dev_dbg(&client->dev, "\n");
+
+ return &state->fe;
+}
+
+/* Own I2C access routines needed for regmap as chip uses extra command byte */
+static int af9013_wregs(struct i2c_client *client, u8 cmd, u16 reg,
+ const u8 *val, int len)
+{
+ int ret;
+ u8 buf[21];
+ struct i2c_msg msg[1] = {
+ {
+ .addr = client->addr,
+ .flags = 0,
+ .len = 3 + len,
+ .buf = buf,
+ }
+ };
+
+ if (3 + len > sizeof(buf)) {
+ ret = -EINVAL;
+ goto err;
+ }
+
+ buf[0] = (reg >> 8) & 0xff;
+ buf[1] = (reg >> 0) & 0xff;
+ buf[2] = cmd;
+ memcpy(&buf[3], val, len);
+ ret = i2c_transfer(client->adapter, msg, 1);
+ if (ret < 0) {
+ goto err;
+ } else if (ret != 1) {
+ ret = -EREMOTEIO;
+ goto err;
+ }
+
+ return 0;
+err:
+ dev_dbg(&client->dev, "failed %d\n", ret);
+ return ret;
+}
+
+static int af9013_rregs(struct i2c_client *client, u8 cmd, u16 reg,
+ u8 *val, int len)
+{
+ int ret;
+ u8 buf[3];
+ struct i2c_msg msg[2] = {
+ {
+ .addr = client->addr,
+ .flags = 0,
+ .len = 3,
+ .buf = buf,
+ }, {
+ .addr = client->addr,
+ .flags = I2C_M_RD,
+ .len = len,
+ .buf = val,
+ }
+ };
+
+ buf[0] = (reg >> 8) & 0xff;
+ buf[1] = (reg >> 0) & 0xff;
+ buf[2] = cmd;
+ ret = i2c_transfer(client->adapter, msg, 2);
+ if (ret < 0) {
+ goto err;
+ } else if (ret != 2) {
+ ret = -EREMOTEIO;
+ goto err;
+ }
+
+ return 0;
+err:
+ dev_dbg(&client->dev, "failed %d\n", ret);
+ return ret;
+}
+
+static int af9013_regmap_write(void *context, const void *data, size_t count)
+{
+ struct i2c_client *client = context;
+ struct af9013_state *state = i2c_get_clientdata(client);
+ int ret, i;
+ u8 cmd;
+ u16 reg = ((u8 *)data)[0] << 8|((u8 *)data)[1] << 0;
+ u8 *val = &((u8 *)data)[2];
+ const unsigned int len = count - 2;
+
+ if (state->ts_mode == AF9013_TS_MODE_USB && (reg & 0xff00) != 0xae00) {
+ cmd = 0 << 7|0 << 6|(len - 1) << 2|1 << 1|1 << 0;
+ ret = af9013_wregs(client, cmd, reg, val, len);
+ if (ret)
+ goto err;
+ } else if (reg >= 0x5100 && reg < 0x8fff) {
+ /* Firmware download */
+ cmd = 1 << 7|1 << 6|(len - 1) << 2|1 << 1|1 << 0;
+ ret = af9013_wregs(client, cmd, reg, val, len);
+ if (ret)
+ goto err;
+ } else {
+ cmd = 0 << 7|0 << 6|(1 - 1) << 2|1 << 1|1 << 0;
+ for (i = 0; i < len; i++) {
+ ret = af9013_wregs(client, cmd, reg + i, val + i, 1);
+ if (ret)
+ goto err;
+ }
+ }
+
+ return 0;
+err:
+ dev_dbg(&client->dev, "failed %d\n", ret);
+ return ret;
+}
+
+static int af9013_regmap_read(void *context, const void *reg_buf,
+ size_t reg_size, void *val_buf, size_t val_size)
+{
+ struct i2c_client *client = context;
+ struct af9013_state *state = i2c_get_clientdata(client);
+ int ret, i;
+ u8 cmd;
+ u16 reg = ((u8 *)reg_buf)[0] << 8|((u8 *)reg_buf)[1] << 0;
+ u8 *val = &((u8 *)val_buf)[0];
+ const unsigned int len = val_size;
+
+ if (state->ts_mode == AF9013_TS_MODE_USB && (reg & 0xff00) != 0xae00) {
+ cmd = 0 << 7|0 << 6|(len - 1) << 2|1 << 1|0 << 0;
+ ret = af9013_rregs(client, cmd, reg, val_buf, len);
+ if (ret)
+ goto err;
+ } else {
+ cmd = 0 << 7|0 << 6|(1 - 1) << 2|1 << 1|0 << 0;
+ for (i = 0; i < len; i++) {
+ ret = af9013_rregs(client, cmd, reg + i, val + i, 1);
+ if (ret)
+ goto err;
+ }
+ }
+
+ return 0;
+err:
+ dev_dbg(&client->dev, "failed %d\n", ret);
+ return ret;
+}
+
+static int af9013_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct af9013_state *state;
+ struct af9013_platform_data *pdata = client->dev.platform_data;
+ struct dtv_frontend_properties *c;
+ int ret, i;
+ u8 firmware_version[4];
+ static const struct regmap_bus regmap_bus = {
+ .read = af9013_regmap_read,
+ .write = af9013_regmap_write,
+ };
+ static const struct regmap_config regmap_config = {
+ .reg_bits = 16,
+ .val_bits = 8,
+ };
+
+ state = kzalloc(sizeof(*state), GFP_KERNEL);
+ if (!state) {
+ ret = -ENOMEM;
+ goto err;
+ }
+
+ /* Setup the state */
+ state->client = client;
+ i2c_set_clientdata(client, state);
+ state->clk = pdata->clk;
+ state->tuner = pdata->tuner;
+ state->if_frequency = pdata->if_frequency;
+ state->ts_mode = pdata->ts_mode;
+ state->ts_output_pin = pdata->ts_output_pin;
+ state->spec_inv = pdata->spec_inv;
+ memcpy(&state->api_version, pdata->api_version, sizeof(state->api_version));
+ memcpy(&state->gpio, pdata->gpio, sizeof(state->gpio));
+ INIT_DELAYED_WORK(&state->statistics_work, af9013_statistics_work);
+ state->regmap = regmap_init(&client->dev, &regmap_bus, client,
+ &regmap_config);
+ if (IS_ERR(state->regmap)) {
+ ret = PTR_ERR(state->regmap);
+ goto err_kfree;
+ }
+
+ /* Download firmware */
+ if (state->ts_mode != AF9013_TS_MODE_USB) {
+ ret = af9013_download_firmware(state);
+ if (ret)
+ goto err_regmap_exit;
+ }
+
+ /* Firmware version */
+ ret = regmap_bulk_read(state->regmap, 0x5103, firmware_version,
+ sizeof(firmware_version));
+ if (ret)
+ goto err_regmap_exit;
+
+ /* Set GPIOs */
+ for (i = 0; i < sizeof(state->gpio); i++) {
+ ret = af9013_set_gpio(state, i, state->gpio[i]);
+ if (ret)
+ goto err_regmap_exit;
+ }
+
+ /* Create dvb frontend */
+ memcpy(&state->fe.ops, &af9013_ops, sizeof(state->fe.ops));
+ if (!pdata->attach_in_use)
+ state->fe.ops.release = NULL;
+ state->fe.demodulator_priv = state;
+
+ /* Setup callbacks */
+ pdata->get_dvb_frontend = af9013_get_dvb_frontend;
+
+ /* Init stats to indicate which stats are supported */
+ c = &state->fe.dtv_property_cache;
+ c->cnr.len = 1;
+
+ dev_info(&client->dev, "Afatech AF9013 successfully attached\n");
+ dev_info(&client->dev, "firmware version: %d.%d.%d.%d\n",
+ firmware_version[0], firmware_version[1],
+ firmware_version[2], firmware_version[3]);
+ return 0;
+err_regmap_exit:
+ regmap_exit(state->regmap);
+err_kfree:
+ kfree(state);
+err:
+ dev_dbg(&client->dev, "failed %d\n", ret);
+ return ret;
+}
+
+static int af9013_remove(struct i2c_client *client)
+{
+ struct af9013_state *state = i2c_get_clientdata(client);
+
+ dev_dbg(&client->dev, "\n");
+
+ /* Stop statistics polling */
+ cancel_delayed_work_sync(&state->statistics_work);
+
+ regmap_exit(state->regmap);
+
+ kfree(state);
+
+ return 0;
+}
+
+static const struct i2c_device_id af9013_id_table[] = {
+ {"af9013", 0},
+ {}
+};
+MODULE_DEVICE_TABLE(i2c, af9013_id_table);
+
+static struct i2c_driver af9013_driver = {
+ .driver = {
+ .name = "af9013",
+ .suppress_bind_attrs = true,
+ },
+ .probe = af9013_probe,
+ .remove = af9013_remove,
+ .id_table = af9013_id_table,
+};
+
+module_i2c_driver(af9013_driver);
+
MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
MODULE_DESCRIPTION("Afatech AF9013 DVB-T demodulator driver");
MODULE_LICENSE("GPL");
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-29 00:17:52 +0300