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[media] af9033: convert to I2C client 

Convert driver to kernel I2C model.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Antti Palosaari 2014-08-31 20:57:05 -03:00 committed by Mauro Carvalho Chehab
parent 09611caad1
commit f5b00a7670
4 changed files with 231 additions and 197 deletions
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332
drivers/media/dvb-frontends/af9033.c
View File

@ -25,7 +25,7 @@
#define MAX_XFER_SIZE 64 #define MAX_XFER_SIZE 64
struct af9033_dev { struct af9033_dev {
struct i2c_adapter *i2c; struct i2c_client *client;
struct dvb_frontend fe; struct dvb_frontend fe;
struct af9033_config cfg; struct af9033_config cfg;
@ -46,7 +46,7 @@ static int af9033_wr_regs(struct af9033_dev *dev, u32 reg, const u8 *val,
u8 buf[MAX_XFER_SIZE]; u8 buf[MAX_XFER_SIZE];
struct i2c_msg msg[1] = { struct i2c_msg msg[1] = {
{ {
.addr = dev->cfg.i2c_addr, .addr = dev->client->addr,
.flags = 0, .flags = 0,
.len = 3 + len, .len = 3 + len,
.buf = buf, .buf = buf,
@ -54,7 +54,7 @@ static int af9033_wr_regs(struct af9033_dev *dev, u32 reg, const u8 *val,
}; };
if (3 + len > sizeof(buf)) { if (3 + len > sizeof(buf)) {
dev_warn(&dev->i2c->dev, dev_warn(&dev->client->dev,
"%s: i2c wr reg=%04x: len=%d is too big!\n", "%s: i2c wr reg=%04x: len=%d is too big!\n",
KBUILD_MODNAME, reg, len); KBUILD_MODNAME, reg, len);
return -EINVAL; return -EINVAL;
@ -65,11 +65,11 @@ static int af9033_wr_regs(struct af9033_dev *dev, u32 reg, const u8 *val,
buf[2] = (reg >> 0) & 0xff; buf[2] = (reg >> 0) & 0xff;
memcpy(&buf[3], val, len); memcpy(&buf[3], val, len);
ret = i2c_transfer(dev->i2c, msg, 1); ret = i2c_transfer(dev->client->adapter, msg, 1);
if (ret == 1) { if (ret == 1) {
ret = 0; ret = 0;
} else { } else {
dev_warn(&dev->i2c->dev, dev_warn(&dev->client->dev,
"%s: i2c wr failed=%d reg=%06x len=%d\n", "%s: i2c wr failed=%d reg=%06x len=%d\n",
KBUILD_MODNAME, ret, reg, len); KBUILD_MODNAME, ret, reg, len);
ret = -EREMOTEIO; ret = -EREMOTEIO;
@ -86,23 +86,23 @@ static int af9033_rd_regs(struct af9033_dev *dev, u32 reg, u8 *val, int len)
(reg >> 0) & 0xff }; (reg >> 0) & 0xff };
struct i2c_msg msg[2] = { struct i2c_msg msg[2] = {
{ {
.addr = dev->cfg.i2c_addr, .addr = dev->client->addr,
.flags = 0, .flags = 0,
.len = sizeof(buf), .len = sizeof(buf),
.buf = buf .buf = buf
}, { }, {
.addr = dev->cfg.i2c_addr, .addr = dev->client->addr,
.flags = I2C_M_RD, .flags = I2C_M_RD,
.len = len, .len = len,
.buf = val .buf = val
} }
}; };
ret = i2c_transfer(dev->i2c, msg, 2); ret = i2c_transfer(dev->client->adapter, msg, 2);
if (ret == 2) { if (ret == 2) {
ret = 0; ret = 0;
} else { } else {
dev_warn(&dev->i2c->dev, dev_warn(&dev->client->dev,
"%s: i2c rd failed=%d reg=%06x len=%d\n", "%s: i2c rd failed=%d reg=%06x len=%d\n",
KBUILD_MODNAME, ret, reg, len); KBUILD_MODNAME, ret, reg, len);
ret = -EREMOTEIO; ret = -EREMOTEIO;
@ -176,10 +176,10 @@ static int af9033_wr_reg_val_tab(struct af9033_dev *dev,
int ret, i, j; int ret, i, j;
u8 buf[1 + MAX_TAB_LEN]; u8 buf[1 + MAX_TAB_LEN];
dev_dbg(&dev->i2c->dev, "%s: tab_len=%d\n", __func__, tab_len); dev_dbg(&dev->client->dev, "%s: tab_len=%d\n", __func__, tab_len);
if (tab_len > sizeof(buf)) { if (tab_len > sizeof(buf)) {
dev_warn(&dev->i2c->dev, "%s: tab len %d is too big\n", dev_warn(&dev->client->dev, "%s: tab len %d is too big\n",
KBUILD_MODNAME, tab_len); KBUILD_MODNAME, tab_len);
return -EINVAL; return -EINVAL;
} }
@ -201,7 +201,7 @@ static int af9033_wr_reg_val_tab(struct af9033_dev *dev,
return 0; return 0;
err: err:
dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret); dev_dbg(&dev->client->dev, "%s: failed=%d\n", __func__, ret);
return ret; return ret;
} }
@ -210,7 +210,7 @@ static u32 af9033_div(struct af9033_dev *dev, u32 a, u32 b, u32 x)
{ {
u32 r = 0, c = 0, i; u32 r = 0, c = 0, i;
dev_dbg(&dev->i2c->dev, "%s: a=%d b=%d x=%d\n", __func__, a, b, x); dev_dbg(&dev->client->dev, "%s: a=%d b=%d x=%d\n", __func__, a, b, x);
if (a > b) { if (a > b) {
c = a / b; c = a / b;
@ -227,19 +227,12 @@ static u32 af9033_div(struct af9033_dev *dev, u32 a, u32 b, u32 x)
} }
r = (c << (u32)x) + r; r = (c << (u32)x) + r;
dev_dbg(&dev->i2c->dev, "%s: a=%d b=%d x=%d r=%d r=%x\n", dev_dbg(&dev->client->dev, "%s: a=%d b=%d x=%d r=%d r=%x\n",
__func__, a, b, x, r, r); __func__, a, b, x, r, r);
return r; return r;
} }
static void af9033_release(struct dvb_frontend *fe)
{
struct af9033_dev *dev = fe->demodulator_priv;
kfree(dev);
}
static int af9033_init(struct dvb_frontend *fe) static int af9033_init(struct dvb_frontend *fe)
{ {
struct af9033_dev *dev = fe->demodulator_priv; struct af9033_dev *dev = fe->demodulator_priv;
@ -283,7 +276,7 @@ static int af9033_init(struct dvb_frontend *fe)
buf[2] = (clock_cw >> 16) & 0xff; buf[2] = (clock_cw >> 16) & 0xff;
buf[3] = (clock_cw >> 24) & 0xff; buf[3] = (clock_cw >> 24) & 0xff;
dev_dbg(&dev->i2c->dev, "%s: clock=%d clock_cw=%08x\n", dev_dbg(&dev->client->dev, "%s: clock=%d clock_cw=%08x\n",
__func__, dev->cfg.clock, clock_cw); __func__, dev->cfg.clock, clock_cw);
ret = af9033_wr_regs(dev, 0x800025, buf, 4); ret = af9033_wr_regs(dev, 0x800025, buf, 4);
@ -301,7 +294,7 @@ static int af9033_init(struct dvb_frontend *fe)
buf[1] = (adc_cw >> 8) & 0xff; buf[1] = (adc_cw >> 8) & 0xff;
buf[2] = (adc_cw >> 16) & 0xff; buf[2] = (adc_cw >> 16) & 0xff;
dev_dbg(&dev->i2c->dev, "%s: adc=%d adc_cw=%06x\n", dev_dbg(&dev->client->dev, "%s: adc=%d adc_cw=%06x\n",
__func__, clock_adc_lut[i].adc, adc_cw); __func__, clock_adc_lut[i].adc, adc_cw);
ret = af9033_wr_regs(dev, 0x80f1cd, buf, 3); ret = af9033_wr_regs(dev, 0x80f1cd, buf, 3);
@ -343,7 +336,7 @@ static int af9033_init(struct dvb_frontend *fe)
} }
/* load OFSM settings */ /* load OFSM settings */
dev_dbg(&dev->i2c->dev, "%s: load ofsm settings\n", __func__); dev_dbg(&dev->client->dev, "%s: load ofsm settings\n", __func__);
switch (dev->cfg.tuner) { switch (dev->cfg.tuner) {
case AF9033_TUNER_IT9135_38: case AF9033_TUNER_IT9135_38:
case AF9033_TUNER_IT9135_51: case AF9033_TUNER_IT9135_51:
@ -368,7 +361,7 @@ static int af9033_init(struct dvb_frontend *fe)
goto err; goto err;
/* load tuner specific settings */ /* load tuner specific settings */
dev_dbg(&dev->i2c->dev, "%s: load tuner specific settings\n", dev_dbg(&dev->client->dev, "%s: load tuner specific settings\n",
__func__); __func__);
switch (dev->cfg.tuner) { switch (dev->cfg.tuner) {
case AF9033_TUNER_TUA9001: case AF9033_TUNER_TUA9001:
@ -420,7 +413,7 @@ static int af9033_init(struct dvb_frontend *fe)
init = tuner_init_it9135_62; init = tuner_init_it9135_62;
break; break;
default: default:
dev_dbg(&dev->i2c->dev, "%s: unsupported tuner ID=%d\n", dev_dbg(&dev->client->dev, "%s: unsupported tuner ID=%d\n",
__func__, dev->cfg.tuner); __func__, dev->cfg.tuner);
ret = -ENODEV; ret = -ENODEV;
goto err; goto err;
@ -458,7 +451,7 @@ static int af9033_init(struct dvb_frontend *fe)
return 0; return 0;
err: err:
dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret); dev_dbg(&dev->client->dev, "%s: failed=%d\n", __func__, ret);
return ret; return ret;
} }
@ -485,7 +478,7 @@ static int af9033_sleep(struct dvb_frontend *fe)
usleep_range(200, 10000); usleep_range(200, 10000);
} }
dev_dbg(&dev->i2c->dev, "%s: loop=%d\n", __func__, i); dev_dbg(&dev->client->dev, "%s: loop=%d\n", __func__, i);
if (i == 0) { if (i == 0) {
ret = -ETIMEDOUT; ret = -ETIMEDOUT;
@ -511,7 +504,7 @@ static int af9033_sleep(struct dvb_frontend *fe)
return 0; return 0;
err: err:
dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret); dev_dbg(&dev->client->dev, "%s: failed=%d\n", __func__, ret);
return ret; return ret;
} }
@ -535,7 +528,7 @@ static int af9033_set_frontend(struct dvb_frontend *fe)
u8 tmp, buf[3], bandwidth_reg_val; u8 tmp, buf[3], bandwidth_reg_val;
u32 if_frequency, freq_cw, adc_freq; u32 if_frequency, freq_cw, adc_freq;
dev_dbg(&dev->i2c->dev, "%s: frequency=%d bandwidth_hz=%d\n", dev_dbg(&dev->client->dev, "%s: frequency=%d bandwidth_hz=%d\n",
__func__, c->frequency, c->bandwidth_hz); __func__, c->frequency, c->bandwidth_hz);
/* check bandwidth */ /* check bandwidth */
@ -550,7 +543,7 @@ static int af9033_set_frontend(struct dvb_frontend *fe)
bandwidth_reg_val = 0x02; bandwidth_reg_val = 0x02;
break; break;
default: default:
dev_dbg(&dev->i2c->dev, "%s: invalid bandwidth_hz\n", dev_dbg(&dev->client->dev, "%s: invalid bandwidth_hz\n",
__func__); __func__);
ret = -EINVAL; ret = -EINVAL;
goto err; goto err;
@ -653,7 +646,7 @@ static int af9033_set_frontend(struct dvb_frontend *fe)
return 0; return 0;
err: err:
dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret); dev_dbg(&dev->client->dev, "%s: failed=%d\n", __func__, ret);
return ret; return ret;
} }
@ -665,7 +658,7 @@ static int af9033_get_frontend(struct dvb_frontend *fe)
int ret; int ret;
u8 buf[8]; u8 buf[8];
dev_dbg(&dev->i2c->dev, "%s:\n", __func__); dev_dbg(&dev->client->dev, "%s:\n", __func__);
/* read all needed registers */ /* read all needed registers */
ret = af9033_rd_regs(dev, 0x80f900, buf, sizeof(buf)); ret = af9033_rd_regs(dev, 0x80f900, buf, sizeof(buf));
@ -780,7 +773,7 @@ static int af9033_get_frontend(struct dvb_frontend *fe)
return 0; return 0;
err: err:
dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret); dev_dbg(&dev->client->dev, "%s: failed=%d\n", __func__, ret);
return ret; return ret;
} }
@ -826,7 +819,7 @@ static int af9033_read_status(struct dvb_frontend *fe, fe_status_t *status)
return 0; return 0;
err: err:
dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret); dev_dbg(&dev->client->dev, "%s: failed=%d\n", __func__, ret);
return ret; return ret;
} }
@ -880,7 +873,7 @@ static int af9033_read_snr(struct dvb_frontend *fe, u16 *snr)
return 0; return 0;
err: err:
dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret); dev_dbg(&dev->client->dev, "%s: failed=%d\n", __func__, ret);
return ret; return ret;
} }
@ -902,7 +895,7 @@ static int af9033_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
return 0; return 0;
err: err:
dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret); dev_dbg(&dev->client->dev, "%s: failed=%d\n", __func__, ret);
return ret; return ret;
} }
@ -948,7 +941,7 @@ static int af9033_update_ch_stat(struct af9033_dev *dev)
return 0; return 0;
err: err:
dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret); dev_dbg(&dev->client->dev, "%s: failed=%d\n", __func__, ret);
return ret; return ret;
} }
@ -986,7 +979,7 @@ static int af9033_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
struct af9033_dev *dev = fe->demodulator_priv; struct af9033_dev *dev = fe->demodulator_priv;
int ret; int ret;
dev_dbg(&dev->i2c->dev, "%s: enable=%d\n", __func__, enable); dev_dbg(&dev->client->dev, "%s: enable=%d\n", __func__, enable);
ret = af9033_wr_reg_mask(dev, 0x00fa04, enable, 0x01); ret = af9033_wr_reg_mask(dev, 0x00fa04, enable, 0x01);
if (ret < 0) if (ret < 0)
@ -995,7 +988,7 @@ static int af9033_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
return 0; return 0;
err: err:
dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret); dev_dbg(&dev->client->dev, "%s: failed=%d\n", __func__, ret);
return ret; return ret;
} }
@ -1005,7 +998,7 @@ static int af9033_pid_filter_ctrl(struct dvb_frontend *fe, int onoff)
struct af9033_dev *dev = fe->demodulator_priv; struct af9033_dev *dev = fe->demodulator_priv;
int ret; int ret;
dev_dbg(&dev->i2c->dev, "%s: onoff=%d\n", __func__, onoff); dev_dbg(&dev->client->dev, "%s: onoff=%d\n", __func__, onoff);
ret = af9033_wr_reg_mask(dev, 0x80f993, onoff, 0x01); ret = af9033_wr_reg_mask(dev, 0x80f993, onoff, 0x01);
if (ret < 0) if (ret < 0)
@ -1014,7 +1007,7 @@ static int af9033_pid_filter_ctrl(struct dvb_frontend *fe, int onoff)
return 0; return 0;
err: err:
dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret); dev_dbg(&dev->client->dev, "%s: failed=%d\n", __func__, ret);
return ret; return ret;
} }
@ -1026,7 +1019,7 @@ static int af9033_pid_filter(struct dvb_frontend *fe, int index, u16 pid,
int ret; int ret;
u8 wbuf[2] = {(pid >> 0) & 0xff, (pid >> 8) & 0xff}; u8 wbuf[2] = {(pid >> 0) & 0xff, (pid >> 8) & 0xff};
dev_dbg(&dev->i2c->dev, "%s: index=%d pid=%04x onoff=%d\n", dev_dbg(&dev->client->dev, "%s: index=%d pid=%04x onoff=%d\n",
__func__, index, pid, onoff); __func__, index, pid, onoff);
if (pid > 0x1fff) if (pid > 0x1fff)
@ -1047,119 +1040,11 @@ static int af9033_pid_filter(struct dvb_frontend *fe, int index, u16 pid,
return 0; return 0;
err: err:
dev_dbg(&dev->i2c->dev, "%s: failed=%d\n", __func__, ret); dev_dbg(&dev->client->dev, "%s: failed=%d\n", __func__, ret);
return 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)
{
int ret;
struct af9033_dev *dev;
u8 buf[8];
u32 reg;
dev_dbg(&i2c->dev, "%s:\n", __func__);
/* allocate memory for the internal state */
dev = kzalloc(sizeof(struct af9033_dev), GFP_KERNEL);
if (dev == NULL)
goto err;
/* setup the state */
dev->i2c = i2c;
memcpy(&dev->cfg, config, sizeof(struct af9033_config));
if (dev->cfg.clock != 12000000) {
dev_err(&dev->i2c->dev,
"%s: af9033: unsupported clock=%d, only 12000000 Hz is supported currently\n",
KBUILD_MODNAME, dev->cfg.clock);
goto err;
}
/* 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:
reg = 0x004bfc;
break;
default:
reg = 0x0083e9;
break;
}
ret = af9033_rd_regs(dev, reg, &buf[0], 4);
if (ret < 0)
goto err;
ret = af9033_rd_regs(dev, 0x804191, &buf[4], 4);
if (ret < 0)
goto err;
dev_info(&dev->i2c->dev,
"%s: firmware version: LINK=%d.%d.%d.%d OFDM=%d.%d.%d.%d\n",
KBUILD_MODNAME, buf[0], buf[1], buf[2], buf[3], buf[4],
buf[5], buf[6], buf[7]);
/* sleep */
switch (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;
ret = af9033_wr_reg(dev, 0x800000, 0);
if (ret < 0)
goto err;
}
/* 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;
if (ops) {
ops->pid_filter = af9033_pid_filter;
ops->pid_filter_ctrl = af9033_pid_filter_ctrl;
}
return &dev->fe;
err:
kfree(dev);
return NULL;
}
EXPORT_SYMBOL(af9033_attach);
static struct dvb_frontend_ops af9033_ops = { static struct dvb_frontend_ops af9033_ops = {
.delsys = { SYS_DVBT }, .delsys = { SYS_DVBT },
.info = { .info = {
@ -1185,8 +1070,6 @@ static struct dvb_frontend_ops af9033_ops = {
FE_CAN_MUTE_TS FE_CAN_MUTE_TS
}, },
.release = af9033_release,
.init = af9033_init, .init = af9033_init,
.sleep = af9033_sleep, .sleep = af9033_sleep,
@ -1203,6 +1086,147 @@ static struct dvb_frontend_ops af9033_ops = {
.i2c_gate_ctrl = af9033_i2c_gate_ctrl, .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;
memcpy(&dev->cfg, cfg, sizeof(struct af9033_config));
if (dev->cfg.clock != 12000000) {
ret = -ENODEV;
dev_err(&dev->client->dev,
"%s: af9033: unsupported clock=%d, only 12000000 Hz is supported currently\n",
KBUILD_MODNAME, 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:
reg = 0x004bfc;
break;
default:
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,
"%s: firmware version: LINK=%d.%d.%d.%d OFDM=%d.%d.%d.%d\n",
KBUILD_MODNAME, buf[0], buf[1], buf[2], buf[3], buf[4],
buf[5], buf[6], buf[7]);
/* sleep */
switch (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(&client->dev, "%s\n", __func__);
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_AUTHOR("Antti Palosaari <crope@iki.fi>");
MODULE_DESCRIPTION("Afatech AF9033 DVB-T demodulator driver"); MODULE_DESCRIPTION("Afatech AF9033 DVB-T demodulator driver");
MODULE_LICENSE("GPL"); MODULE_LICENSE("GPL");

44
drivers/media/dvb-frontends/af9033.h
View File

@ -80,8 +80,18 @@ struct af9033_config {
* *
*/ */
bool dyn0_clk; bool dyn0_clk;
};
/*
* PID filter ops
*/
struct af9033_ops *ops;
/*
* frontend
* returned by that driver
*/
struct dvb_frontend **fe;
};
struct af9033_ops { struct af9033_ops {
int (*pid_filter_ctrl)(struct dvb_frontend *fe, int onoff); int (*pid_filter_ctrl)(struct dvb_frontend *fe, int onoff);
@ -89,36 +99,4 @@ struct af9033_ops {
int onoff); int onoff);
}; };
#if IS_ENABLED(CONFIG_DVB_AF9033)
extern
struct dvb_frontend *af9033_attach(const struct af9033_config *config,
struct i2c_adapter *i2c,
struct af9033_ops *ops);
#else
static inline
struct dvb_frontend *af9033_attach(const struct af9033_config *config,
struct i2c_adapter *i2c,
struct af9033_ops *ops)
{
pr_warn("%s: driver disabled by Kconfig\n", __func__);
return NULL;
}
static inline int af9033_pid_filter_ctrl(struct dvb_frontend *fe, int onoff)
{
pr_warn("%s: driver disabled by Kconfig\n", __func__);
return -ENODEV;
}
static inline int af9033_pid_filter(struct dvb_frontend *fe, int index, u16 pid,
int onoff)
{
pr_warn("%s: driver disabled by Kconfig\n", __func__);
return -ENODEV;
}
#endif
#endif /* AF9033_H */ #endif /* AF9033_H */

50
drivers/media/usb/dvb-usb-v2/af9035.c
View File

@ -305,6 +305,19 @@ static int af9035_i2c_master_xfer(struct i2c_adapter *adap,
* NOTE: As a firmware knows tuner type there is very small possibility * NOTE: As a firmware knows tuner type there is very small possibility
* there could be some tuner I2C hacks done by firmware and this may * there could be some tuner I2C hacks done by firmware and this may
* lead problems if firmware expects those bytes are used. * lead problems if firmware expects those bytes are used.
*
* TODO: Here is few hacks. AF9035 chip integrates AF9033 demodulator.
* IT9135 chip integrates AF9033 demodulator and RF tuner. For dual
* tuner devices, there is also external AF9033 demodulator connected
* via external I2C bus. All AF9033 demod I2C traffic, both single and
* dual tuner configuration, is covered by firmware - actual USB IO
* looks just like a memory access.
* In case of IT913x chip, there is own tuner driver. It is implemented
* currently as a I2C driver, even tuner IP block is likely build
* directly into the demodulator memory space and there is no own I2C
* bus. I2C subsystem does not allow register multiple devices to same
* bus, having same slave address. Due to that we reuse demod address,
* shifted by one bit, on that case.
*/ */
if (num == 2 && !(msg[0].flags & I2C_M_RD) && if (num == 2 && !(msg[0].flags & I2C_M_RD) &&
(msg[1].flags & I2C_M_RD)) { (msg[1].flags & I2C_M_RD)) {
@ -312,12 +325,14 @@ static int af9035_i2c_master_xfer(struct i2c_adapter *adap,
/* TODO: correct limits > 40 */ /* TODO: correct limits > 40 */
ret = -EOPNOTSUPP; ret = -EOPNOTSUPP;
} else if ((msg[0].addr == state->af9033_config[0].i2c_addr) || } else if ((msg[0].addr == state->af9033_config[0].i2c_addr) ||
(msg[0].addr == state->af9033_config[1].i2c_addr)) { (msg[0].addr == state->af9033_config[1].i2c_addr) ||
(state->chip_type == 0x9135)) {
/* demod access via firmware interface */ /* demod access via firmware interface */
u32 reg = msg[0].buf[0] << 16 | msg[0].buf[1] << 8 | u32 reg = msg[0].buf[0] << 16 | msg[0].buf[1] << 8 |
msg[0].buf[2]; msg[0].buf[2];
if (msg[0].addr == state->af9033_config[1].i2c_addr) if (msg[0].addr == state->af9033_config[1].i2c_addr ||
msg[0].addr == (state->af9033_config[1].i2c_addr >> 1))
reg |= 0x100000; reg |= 0x100000;
ret = af9035_rd_regs(d, reg, &msg[1].buf[0], ret = af9035_rd_regs(d, reg, &msg[1].buf[0],
@ -349,12 +364,14 @@ static int af9035_i2c_master_xfer(struct i2c_adapter *adap,
/* TODO: correct limits > 40 */ /* TODO: correct limits > 40 */
ret = -EOPNOTSUPP; ret = -EOPNOTSUPP;
} else if ((msg[0].addr == state->af9033_config[0].i2c_addr) || } else if ((msg[0].addr == state->af9033_config[0].i2c_addr) ||
(msg[0].addr == state->af9033_config[1].i2c_addr)) { (msg[0].addr == state->af9033_config[1].i2c_addr) ||
(state->chip_type == 0x9135)) {
/* demod access via firmware interface */ /* demod access via firmware interface */
u32 reg = msg[0].buf[0] << 16 | msg[0].buf[1] << 8 | u32 reg = msg[0].buf[0] << 16 | msg[0].buf[1] << 8 |
msg[0].buf[2]; msg[0].buf[2];
if (msg[0].addr == state->af9033_config[1].i2c_addr) if (msg[0].addr == state->af9033_config[1].i2c_addr ||
msg[0].addr == (state->af9033_config[1].i2c_addr >> 1))
reg |= 0x100000; reg |= 0x100000;
ret = af9035_wr_regs(d, reg, &msg[0].buf[3], ret = af9035_wr_regs(d, reg, &msg[0].buf[3],
@ -1066,6 +1083,8 @@ static int af9035_get_adapter_count(struct dvb_usb_device *d)
return state->dual_mode + 1; return state->dual_mode + 1;
} }
static void af9035_exit(struct dvb_usb_device *d);
static int af9035_frontend_attach(struct dvb_usb_adapter *adap) static int af9035_frontend_attach(struct dvb_usb_adapter *adap)
{ {
struct state *state = adap_to_priv(adap); struct state *state = adap_to_priv(adap);
@ -1080,9 +1099,14 @@ static int af9035_frontend_attach(struct dvb_usb_adapter *adap)
goto err; goto err;
} }
/* attach demodulator */ state->af9033_config[adap->id].fe = &adap->fe[0];
adap->fe[0] = dvb_attach(af9033_attach, &state->af9033_config[adap->id], state->af9033_config[adap->id].ops = &state->ops;
&d->i2c_adap, &state->ops); ret = af9035_add_i2c_dev(d, "af9033",
state->af9033_config[adap->id].i2c_addr,
&state->af9033_config[adap->id]);
if (ret)
goto err;
if (adap->fe[0] == NULL) { if (adap->fe[0] == NULL) {
ret = -ENODEV; ret = -ENODEV;
goto err; goto err;
@ -1095,6 +1119,7 @@ static int af9035_frontend_attach(struct dvb_usb_adapter *adap)
return 0; return 0;
err: err:
af9035_exit(d); /* remove I2C clients */
dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
return ret; return ret;
@ -1332,7 +1357,7 @@ static int af9035_tuner_attach(struct dvb_usb_adapter *adap)
} }
ret = af9035_add_i2c_dev(d, "it913x", ret = af9035_add_i2c_dev(d, "it913x",
state->af9033_config[adap->id].i2c_addr, state->af9033_config[adap->id].i2c_addr >> 1,
&it913x_config); &it913x_config);
if (ret) if (ret)
goto err; goto err;
@ -1357,7 +1382,7 @@ static int af9035_tuner_attach(struct dvb_usb_adapter *adap)
} }
ret = af9035_add_i2c_dev(d, "it913x", ret = af9035_add_i2c_dev(d, "it913x",
state->af9033_config[adap->id].i2c_addr, state->af9033_config[adap->id].i2c_addr >> 1,
&it913x_config); &it913x_config);
if (ret) if (ret)
goto err; goto err;
@ -1377,6 +1402,7 @@ static int af9035_tuner_attach(struct dvb_usb_adapter *adap)
return 0; return 0;
err: err:
af9035_exit(d); /* remove I2C clients */
dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
return ret; return ret;
@ -1435,6 +1461,12 @@ static void af9035_exit(struct dvb_usb_device *d)
dev_dbg(&d->udev->dev, "%s:\n", __func__); dev_dbg(&d->udev->dev, "%s:\n", __func__);
if (state->i2c_client[3])
af9035_del_i2c_dev(d);
if (state->i2c_client[2])
af9035_del_i2c_dev(d);
if (state->i2c_client[1]) if (state->i2c_client[1])
af9035_del_i2c_dev(d); af9035_del_i2c_dev(d);

2
drivers/media/usb/dvb-usb-v2/af9035.h
View File

@ -63,7 +63,7 @@ struct state {
u16 eeprom_addr; u16 eeprom_addr;
struct af9033_config af9033_config[2]; struct af9033_config af9033_config[2];
struct af9033_ops ops; struct af9033_ops ops;
#define AF9035_I2C_CLIENT_MAX 2 #define AF9035_I2C_CLIENT_MAX 4
struct i2c_client *i2c_client[AF9035_I2C_CLIENT_MAX]; struct i2c_client *i2c_client[AF9035_I2C_CLIENT_MAX];
}; };