Add kernel i2c driver bindings.
That allows dev_* logging, regmap and more.
Signed-off-by: Antti Palosaari <cr...@iki.fi>
---
drivers/media/dvb-frontends/af9013.c | 321 ++++++++++++++++++++++-------------
drivers/media/dvb-frontends/af9013.h | 84 +++++----
2 files changed, 241 insertions(+), 164 deletions(-)
diff --git a/drivers/media/dvb-frontends/af9013.c
b/drivers/media/dvb-frontends/af9013.c
index 7880a63..f644182 100644
--- a/drivers/media/dvb-frontends/af9013.c
+++ b/drivers/media/dvb-frontends/af9013.c
@@ -24,9 +24,8 @@
#define MAX_XFER_SIZE 64
struct af9013_state {
- struct i2c_adapter *i2c;
+ struct i2c_client *client;
struct dvb_frontend fe;
- u8 i2c_addr;
u32 clk;
u8 tuner;
u32 if_frequency;
@@ -59,7 +58,7 @@ static int af9013_wr_regs_i2c(struct af9013_state *priv, u8
mbox, u16 reg,
u8 buf[MAX_XFER_SIZE];
struct i2c_msg msg[1] = {
{
- .addr = priv->i2c_addr,
+ .addr = priv->client->addr,
.flags = 0,
.len = 3 + len,
.buf = buf,
@@ -67,7 +66,7 @@ static int af9013_wr_regs_i2c(struct af9013_state *priv, u8
mbox, u16 reg,
};
if (3 + len > sizeof(buf)) {
- dev_warn(&priv->i2c->dev,
+ dev_warn(&priv->client->dev,
"%s: i2c wr reg=%04x: len=%d is too big!\n",
KBUILD_MODNAME, reg, len);
return -EINVAL;
@@ -78,11 +77,11 @@ static int af9013_wr_regs_i2c(struct af9013_state *priv, u8
mbox, u16 reg,
buf[2] = mbox;
memcpy(&buf[3], val, len);
- ret = i2c_transfer(priv->i2c, msg, 1);
+ ret = i2c_transfer(priv->client->adapter, msg, 1);
if (ret == 1) {
ret = 0;
} else {
- dev_warn(&priv->i2c->dev, "%s: i2c wr failed=%d reg=%04x " \
+ dev_warn(&priv->client->dev, "%s: i2c wr failed=%d reg=%04x " \
"len=%d\n", KBUILD_MODNAME, ret, reg, len);
ret = -EREMOTEIO;
}
@@ -97,12 +96,12 @@ static int af9013_rd_regs_i2c(struct af9013_state *priv, u8
mbox, u16 reg,
u8 buf[3];
struct i2c_msg msg[2] = {
{
- .addr = priv->i2c_addr,
+ .addr = priv->client->addr,
.flags = 0,
.len = 3,
.buf = buf,
}, {
- .addr = priv->i2c_addr,
+ .addr = priv->client->addr,
.flags = I2C_M_RD,
.len = len,
.buf = val,
@@ -113,11 +112,11 @@ static int af9013_rd_regs_i2c(struct af9013_state *priv,
u8 mbox, u16 reg,
buf[1] = (reg >> 0) & 0xff;
buf[2] = mbox;
- ret = i2c_transfer(priv->i2c, msg, 2);
+ ret = i2c_transfer(priv->client->adapter, msg, 2);
if (ret == 2) {
ret = 0;
} else {
- dev_warn(&priv->i2c->dev, "%s: i2c rd failed=%d reg=%04x " \
+ dev_warn(&priv->client->dev, "%s: i2c rd failed=%d reg=%04x " \
"len=%d\n", KBUILD_MODNAME, ret, reg, len);
ret = -EREMOTEIO;
}
@@ -231,7 +230,7 @@ static int af9013_set_gpio(struct af9013_state *state, u8
gpio, u8 gpioval)
u8 pos;
u16 addr;
- dev_dbg(&state->i2c->dev, "%s: gpio=%d gpioval=%02x\n",
+ dev_dbg(&state->client->dev, "%s: gpio=%d gpioval=%02x\n",
__func__, gpio, gpioval);
/*
@@ -250,7 +249,7 @@ 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",
+ dev_err(&state->client->dev, "%s: invalid gpio=%d\n",
KBUILD_MODNAME, gpio);
ret = -EINVAL;
goto err;
@@ -274,7 +273,7 @@ static int af9013_set_gpio(struct af9013_state *state, u8
gpio, u8 gpioval)
return ret;
err:
- dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ dev_dbg(&state->client->dev, "%s: failed=%d\n", __func__, ret);
return ret;
}
@@ -282,7 +281,7 @@ 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);
+ dev_dbg(&state->client->dev, "%s: a=%d b=%d x=%d\n", __func__, a, b, x);
if (a > b) {
c = a / b;
@@ -299,7 +298,7 @@ static u32 af9013_div(struct af9013_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",
+ dev_dbg(&state->client->dev, "%s: a=%d b=%d x=%d r=%d r=%x\n",
__func__, a, b, x, r, r);
return r;
@@ -310,7 +309,7 @@ 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);
+ dev_dbg(&state->client->dev, "%s: onoff=%d\n", __func__, onoff);
/* enable reset */
ret = af9013_wr_reg_bits(state, 0xd417, 4, 1, 1);
@@ -355,7 +354,7 @@ static int af9013_power_ctrl(struct af9013_state *state, u8
onoff)
return ret;
err:
- dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ dev_dbg(&state->client->dev, "%s: failed=%d\n", __func__, ret);
return ret;
}
@@ -364,7 +363,7 @@ static int af9013_statistics_ber_unc_start(struct
dvb_frontend *fe)
struct af9013_state *state = fe->demodulator_priv;
int ret;
- dev_dbg(&state->i2c->dev, "%s:\n", __func__);
+ dev_dbg(&state->client->dev, "%s:\n", __func__);
/* reset and start BER counter */
ret = af9013_wr_reg_bits(state, 0xd391, 4, 1, 1);
@@ -373,7 +372,7 @@ static int af9013_statistics_ber_unc_start(struct
dvb_frontend *fe)
return ret;
err:
- dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ dev_dbg(&state->client->dev, "%s: failed=%d\n", __func__, ret);
return ret;
}
@@ -383,7 +382,7 @@ static int af9013_statistics_ber_unc_result(struct
dvb_frontend *fe)
int ret;
u8 buf[5];
- dev_dbg(&state->i2c->dev, "%s:\n", __func__);
+ dev_dbg(&state->client->dev, "%s:\n", __func__);
/* check if error bit count is ready */
ret = af9013_rd_reg_bits(state, 0xd391, 4, 1, &buf[0]);
@@ -391,7 +390,7 @@ static int af9013_statistics_ber_unc_result(struct
dvb_frontend *fe)
goto err;
if (!buf[0]) {
- dev_dbg(&state->i2c->dev, "%s: not ready\n", __func__);
+ dev_dbg(&state->client->dev, "%s: not ready\n", __func__);
return 0;
}
@@ -404,7 +403,7 @@ static int af9013_statistics_ber_unc_result(struct
dvb_frontend *fe)
return ret;
err:
- dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ dev_dbg(&state->client->dev, "%s: failed=%d\n", __func__, ret);
return ret;
}
@@ -413,7 +412,7 @@ static int af9013_statistics_snr_start(struct dvb_frontend
*fe)
struct af9013_state *state = fe->demodulator_priv;
int ret;
- dev_dbg(&state->i2c->dev, "%s:\n", __func__);
+ dev_dbg(&state->client->dev, "%s:\n", __func__);
/* start SNR meas */
ret = af9013_wr_reg_bits(state, 0xd2e1, 3, 1, 1);
@@ -422,7 +421,7 @@ static int af9013_statistics_snr_start(struct dvb_frontend
*fe)
return ret;
err:
- dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ dev_dbg(&state->client->dev, "%s: failed=%d\n", __func__, ret);
return ret;
}
@@ -434,7 +433,7 @@ static int af9013_statistics_snr_result(struct dvb_frontend
*fe)
u32 snr_val;
const struct af9013_snr *uninitialized_var(snr_lut);
- dev_dbg(&state->i2c->dev, "%s:\n", __func__);
+ dev_dbg(&state->client->dev, "%s:\n", __func__);
/* check if SNR ready */
ret = af9013_rd_reg_bits(state, 0xd2e1, 3, 1, &tmp);
@@ -442,7 +441,7 @@ static int af9013_statistics_snr_result(struct dvb_frontend
*fe)
goto err;
if (!tmp) {
- dev_dbg(&state->i2c->dev, "%s: not ready\n", __func__);
+ dev_dbg(&state->client->dev, "%s: not ready\n", __func__);
return 0;
}
@@ -485,7 +484,7 @@ static int af9013_statistics_snr_result(struct dvb_frontend
*fe)
return ret;
err:
- dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ dev_dbg(&state->client->dev, "%s: failed=%d\n", __func__, ret);
return ret;
}
@@ -496,7 +495,7 @@ static int af9013_statistics_signal_strength(struct
dvb_frontend *fe)
u8 buf[2], rf_gain, if_gain;
int signal_strength;
- dev_dbg(&state->i2c->dev, "%s:\n", __func__);
+ dev_dbg(&state->client->dev, "%s:\n", __func__);
if (!state->signal_strength_en)
return 0;
@@ -522,7 +521,7 @@ static int af9013_statistics_signal_strength(struct
dvb_frontend *fe)
return ret;
err:
- dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ dev_dbg(&state->client->dev, "%s: failed=%d\n", __func__, ret);
return ret;
}
@@ -592,7 +591,7 @@ static int af9013_set_frontend(struct dvb_frontend *fe)
u8 buf[6];
u32 if_frequency, freq_cw;
- dev_dbg(&state->i2c->dev, "%s: frequency=%d bandwidth_hz=%d\n",
+ dev_dbg(&state->client->dev, "%s: frequency=%d bandwidth_hz=%d\n",
__func__, c->frequency, c->bandwidth_hz);
/* program tuner */
@@ -624,7 +623,7 @@ static int af9013_set_frontend(struct dvb_frontend *fe)
else
if_frequency = state->if_frequency;
- dev_dbg(&state->i2c->dev, "%s: if_frequency=%d\n",
+ dev_dbg(&state->client->dev, "%s: if_frequency=%d\n",
__func__, if_frequency);
sampling_freq = if_frequency;
@@ -698,7 +697,7 @@ 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",
+ dev_dbg(&state->client->dev, "%s: invalid transmission_mode\n",
__func__);
auto_mode = true;
}
@@ -719,7 +718,7 @@ 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",
+ dev_dbg(&state->client->dev, "%s: invalid guard_interval\n",
__func__);
auto_mode = true;
}
@@ -740,7 +739,7 @@ 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(&state->client->dev, "%s: invalid hierarchy\n",
__func__);
auto_mode = true;
}
@@ -757,7 +756,7 @@ 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(&state->client->dev, "%s: invalid modulation\n",
__func__);
auto_mode = true;
}
@@ -783,7 +782,7 @@ 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",
+ dev_dbg(&state->client->dev, "%s: invalid code_rate_HP\n",
__func__);
auto_mode = true;
}
@@ -809,7 +808,7 @@ 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",
+ dev_dbg(&state->client->dev, "%s: invalid code_rate_LP\n",
__func__);
auto_mode = true;
}
@@ -824,7 +823,7 @@ 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",
+ dev_dbg(&state->client->dev, "%s: invalid bandwidth_hz\n",
__func__);
ret = -EINVAL;
goto err;
@@ -840,7 +839,7 @@ static int af9013_set_frontend(struct dvb_frontend *fe)
if (ret)
goto err;
- dev_dbg(&state->i2c->dev, "%s: auto params\n", __func__);
+ dev_dbg(&state->client->dev, "%s: auto params\n", __func__);
} else {
/* set easy mode flag */
ret = af9013_wr_reg(state, 0xaefd, 1);
@@ -851,7 +850,7 @@ static int af9013_set_frontend(struct dvb_frontend *fe)
if (ret)
goto err;
- dev_dbg(&state->i2c->dev, "%s: manual params\n", __func__);
+ dev_dbg(&state->client->dev, "%s: manual params\n", __func__);
}
/* tune */
@@ -865,7 +864,7 @@ static int af9013_set_frontend(struct dvb_frontend *fe)
return ret;
err:
- dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ dev_dbg(&state->client->dev, "%s: failed=%d\n", __func__, ret);
return ret;
}
@@ -876,7 +875,7 @@ static int af9013_get_frontend(struct dvb_frontend *fe,
int ret;
u8 buf[3];
- dev_dbg(&state->i2c->dev, "%s:\n", __func__);
+ dev_dbg(&state->client->dev, "%s:\n", __func__);
ret = af9013_rd_regs(state, 0xd3c0, buf, 3);
if (ret)
@@ -982,7 +981,7 @@ static int af9013_get_frontend(struct dvb_frontend *fe,
return ret;
err:
- dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ dev_dbg(&state->client->dev, "%s: failed=%d\n", __func__, ret);
return ret;
}
@@ -1032,7 +1031,7 @@ static int af9013_read_status(struct dvb_frontend *fe,
enum fe_status *status)
return ret;
err:
- dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ dev_dbg(&state->client->dev, "%s: failed=%d\n", __func__, ret);
return ret;
}
@@ -1072,7 +1071,7 @@ static int af9013_init(struct dvb_frontend *fe)
u32 adc_cw;
const struct af9013_reg_bit *init;
- dev_dbg(&state->i2c->dev, "%s:\n", __func__);
+ dev_dbg(&state->client->dev, "%s:\n", __func__);
/* power on */
ret = af9013_power_ctrl(state, 1);
@@ -1104,7 +1103,7 @@ static int af9013_init(struct dvb_frontend *fe)
tmp = 3;
break;
default:
- dev_err(&state->i2c->dev, "%s: invalid clock\n",
+ dev_err(&state->client->dev, "%s: invalid clock\n",
KBUILD_MODNAME);
return -EINVAL;
}
@@ -1165,7 +1164,7 @@ static int af9013_init(struct dvb_frontend *fe)
goto err;
/* load OFSM settings */
- dev_dbg(&state->i2c->dev, "%s: load ofsm settings\n", __func__);
+ dev_dbg(&state->client->dev, "%s: load ofsm settings\n", __func__);
len = ARRAY_SIZE(ofsm_init);
init = ofsm_init;
for (i = 0; i < len; i++) {
@@ -1176,7 +1175,7 @@ static int af9013_init(struct dvb_frontend *fe)
}
/* load tuner specific settings */
- dev_dbg(&state->i2c->dev, "%s: load tuner specific settings\n",
+ dev_dbg(&state->client->dev, "%s: load tuner specific settings\n",
__func__);
switch (state->tuner) {
case AF9013_TUNER_MXL5003D:
@@ -1288,7 +1287,7 @@ static int af9013_init(struct dvb_frontend *fe)
return ret;
err:
- dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ dev_dbg(&state->client->dev, "%s: failed=%d\n", __func__, ret);
return ret;
}
@@ -1297,7 +1296,7 @@ static int af9013_sleep(struct dvb_frontend *fe)
struct af9013_state *state = fe->demodulator_priv;
int ret;
- dev_dbg(&state->i2c->dev, "%s:\n", __func__);
+ dev_dbg(&state->client->dev, "%s:\n", __func__);
/* stop statistics polling */
cancel_delayed_work_sync(&state->statistics_work);
@@ -1314,7 +1313,7 @@ static int af9013_sleep(struct dvb_frontend *fe)
return ret;
err:
- dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ dev_dbg(&state->client->dev, "%s: failed=%d\n", __func__, ret);
return ret;
}
@@ -1323,7 +1322,7 @@ static int af9013_i2c_gate_ctrl(struct dvb_frontend *fe,
int enable)
int ret;
struct af9013_state *state = fe->demodulator_priv;
- dev_dbg(&state->i2c->dev, "%s: enable=%d\n", __func__, enable);
+ dev_dbg(&state->client->dev, "%s: enable=%d\n", __func__, enable);
/* gate already open or close */
if (state->i2c_gate_state == enable)
@@ -1340,18 +1339,16 @@ static int af9013_i2c_gate_ctrl(struct dvb_frontend
*fe, int enable)
return ret;
err:
- dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
+ dev_dbg(&state->client->dev, "%s: failed=%d\n", __func__, 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);
-
- kfree(state);
+ i2c_unregister_device(client);
}
static const struct dvb_frontend_ops af9013_ops;
@@ -1371,27 +1368,27 @@ static int af9013_download_firmware(struct af9013_state
*state)
if (ret)
goto err;
else
- dev_dbg(&state->i2c->dev, "%s: firmware status=%02x\n",
+ dev_dbg(&state->client->dev, "%s: firmware status=%02x\n",
__func__, val);
if (val == 0x0c) /* fw is running, no need for download */
goto exit;
- dev_info(&state->i2c->dev, "%s: found a '%s' in cold state, will try " \
+ dev_info(&state->client->dev, "%s: found a '%s' in cold state, will try
" \
"to load a firmware\n",
KBUILD_MODNAME, af9013_ops.info.name);
/* request the firmware, this will block and timeout */
- ret = request_firmware(&fw, fw_file, state->i2c->dev.parent);
+ ret = request_firmware(&fw, fw_file, &state->client->dev);
if (ret) {
- dev_info(&state->i2c->dev, "%s: did not find the firmware " \
+ dev_info(&state->client->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);
goto err;
}
- dev_info(&state->i2c->dev, "%s: downloading firmware from file '%s'\n",
+ dev_info(&state->client->dev, "%s: downloading firmware from file
'%s'\n",
KBUILD_MODNAME, fw_file);
/* calc checksum */
@@ -1420,7 +1417,7 @@ static int af9013_download_firmware(struct af9013_state
*state)
FW_ADDR + fw->size - remaining,
(u8 *) &fw->data[fw->size - remaining], len);
if (ret) {
- dev_err(&state->i2c->dev,
+ dev_err(&state->client->dev,
"%s: firmware download failed=%d\n",
KBUILD_MODNAME, ret);
goto err_release;
@@ -1440,7 +1437,7 @@ static int af9013_download_firmware(struct af9013_state
*state)
if (ret)
goto err_release;
- dev_dbg(&state->i2c->dev, "%s: firmware status=%02x\n",
+ dev_dbg(&state->client->dev, "%s: firmware status=%02x\n",
__func__, val);
if (val == 0x0c || val == 0x04) /* success or fail */
@@ -1448,11 +1445,11 @@ static int af9013_download_firmware(struct af9013_state
*state)
}
if (val == 0x04) {
- dev_err(&state->i2c->dev, "%s: firmware did not run\n",
+ dev_err(&state->client->dev, "%s: firmware did not run\n",
KBUILD_MODNAME);
ret = -ENODEV;
} else if (val != 0x0c) {
- dev_err(&state->i2c->dev, "%s: firmware boot timeout\n",
+ dev_err(&state->client->dev, "%s: firmware boot timeout\n",
KBUILD_MODNAME);
ret = -ENODEV;
}
@@ -1462,67 +1459,41 @@ static int af9013_download_firmware(struct af9013_state
*state)
err:
exit:
if (!ret)
- dev_info(&state->i2c->dev, "%s: found a '%s' in warm state\n",
+ dev_info(&state->client->dev, "%s: found a '%s' in warm
state\n",
KBUILD_MODNAME, af9013_ops.info.name);
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;
- state->i2c_addr = config->i2c_addr;
- state->clk = config->clock;
- state->tuner = config->tuner;
- state->if_frequency = config->if_frequency;
- state->ts_mode = config->ts_mode;
- state->spec_inv = config->spec_inv;
- memcpy(&state->api_version, config->api_version,
sizeof(state->api_version));
- memcpy(&state->gpio, config->gpio, sizeof(state->gpio));
-
- /* download firmware */
- if (state->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->gpio); i++) {
- ret = af9013_set_gpio(state, i, state->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.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);
@@ -1569,6 +1540,114 @@ 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;
+}
+
+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;
+ int ret, i;
+ u8 firmware_version[4];
+
+ 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->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);
+
+ /* Download firmware */
+ if (state->ts_mode != AF9013_TS_USB) {
+ ret = af9013_download_firmware(state);
+ if (ret)
+ goto err_kfree;
+ }
+
+ /* Firmware version */
+ ret = af9013_rd_regs(state, 0x5103, firmware_version,
+ sizeof(firmware_version));
+ if (ret)
+ goto err_kfree;
+
+ /* Set GPIOs */
+ for (i = 0; i < sizeof(state->gpio); i++) {
+ ret = af9013_set_gpio(state, i, state->gpio[i]);
+ if (ret)
+ goto err_kfree;
+ }
+
+ /* 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;
+
+ 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_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);
+
+ 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 <cr...@iki.fi>");
MODULE_DESCRIPTION("Afatech AF9013 DVB-T demodulator driver");
MODULE_LICENSE("GPL");
diff --git a/drivers/media/dvb-frontends/af9013.h
b/drivers/media/dvb-frontends/af9013.h
index 2771128..3f18258 100644
--- a/drivers/media/dvb-frontends/af9013.h
+++ b/drivers/media/dvb-frontends/af9013.h
@@ -23,29 +23,26 @@
#include <linux/dvb/frontend.h>
-/* AF9013/5 GPIOs (mostly guessed)
- demod#1-gpio#0 - set demod#2 i2c-addr for dual devices
- demod#1-gpio#1 - xtal setting (?)
- demod#1-gpio#3 - tuner#1
- demod#2-gpio#0 - tuner#2
- demod#2-gpio#1 - xtal setting (?)
-*/
-
-struct af9013_config {
- /*
- * I2C address
- */
- u8 i2c_addr;
+/*
+ * I2C address: 0x1c, 0x1d
+ */
+/**
+ * struct af9013_platform_data - Platform data for the af9013 driver
+ * @clk: Clock frequency.
+ * @tuner: Used tuner model.
+ * @if_frequency: IF frequency.
+ * @ts_mode: TS mode.
+ * @spec_inv: Input spectrum inverted.
+ * @api_version: Firmware API version.
+ * @gpio: GPIOs.
+ * @get_dvb_frontend: Get DVB frontend callback.
+ */
+struct af9013_platform_data {
/*
- * clock
* 20480000, 25000000, 28000000, 28800000
*/
- u32 clock;
-
- /*
- * tuner
- */
+ u32 clk;
#define AF9013_TUNER_MXL5003D 3 /* MaxLinear */
#define AF9013_TUNER_MXL5005D 13 /* MaxLinear */
#define AF9013_TUNER_MXL5005R 30 /* MaxLinear */
@@ -60,33 +57,13 @@ struct af9013_config {
#define AF9013_TUNER_MXL5007T 177 /* MaxLinear */
#define AF9013_TUNER_TDA18218 179 /* NXP */
u8 tuner;
-
- /*
- * IF frequency
- */
u32 if_frequency;
-
- /*
- * TS settings
- */
-#define AF9013_TS_USB 0
-#define AF9013_TS_PARALLEL 1
-#define AF9013_TS_SERIAL 2
- u8 ts_mode:2;
-
- /*
- * input spectrum inversion
- */
+#define AF9013_TS_MODE_USB 0
+#define AF9013_TS_MODE_PARALLEL 1
+#define AF9013_TS_MODE_SERIAL 2
+ u8 ts_mode;
bool spec_inv;
-
- /*
- * firmware API version
- */
u8 api_version[4];
-
- /*
- * GPIOs
- */
#define AF9013_GPIO_ON (1 << 0)
#define AF9013_GPIO_EN (1 << 1)
#define AF9013_GPIO_O (1 << 2)
@@ -96,8 +73,29 @@ struct af9013_config {
#define AF9013_GPIO_TUNER_ON (AF9013_GPIO_ON|AF9013_GPIO_EN)
#define AF9013_GPIO_TUNER_OFF (AF9013_GPIO_ON|AF9013_GPIO_EN|AF9013_GPIO_O)
u8 gpio[4];
+
+ struct dvb_frontend* (*get_dvb_frontend)(struct i2c_client *);
+
+/* private: For legacy media attach wrapper. Do not set value. */
+ bool attach_in_use;
+ u8 i2c_addr;
+ u32 clock;
};
+#define af9013_config af9013_platform_data
+#define AF9013_TS_USB AF9013_TS_MODE_USB
+#define AF9013_TS_PARALLEL AF9013_TS_MODE_PARALLEL
+#define AF9013_TS_SERIAL AF9013_TS_MODE_SERIAL
+
+/*
+ * AF9013/5 GPIOs (mostly guessed)
+ * demod#1-gpio#0 - set demod#2 i2c-addr for dual devices
+ * demod#1-gpio#1 - xtal setting (?)
+ * demod#1-gpio#3 - tuner#1
+ * demod#2-gpio#0 - tuner#2
+ * demod#2-gpio#1 - xtal setting (?)
+ */
+
#if IS_REACHABLE(CONFIG_DVB_AF9013)
extern struct dvb_frontend *af9013_attach(const struct af9013_config *config,
struct i2c_adapter *i2c);
--
http://palosaari.fi/
