aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/media/tuners/it913x.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/tuners/it913x.c')
-rw-r--r--drivers/media/tuners/it913x.c96
1 files changed, 42 insertions, 54 deletions
diff --git a/drivers/media/tuners/it913x.c b/drivers/media/tuners/it913x.c
index 6c3ef2181fcd..27e5bc1c3cb5 100644
--- a/drivers/media/tuners/it913x.c
+++ b/drivers/media/tuners/it913x.c
@@ -14,17 +14,14 @@
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
*
* GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.=
*/
#include "it913x.h"
+#include <linux/platform_device.h>
#include <linux/regmap.h>
struct it913x_dev {
- struct i2c_client *client;
+ struct platform_device *pdev;
struct regmap *regmap;
struct dvb_frontend *fe;
u8 chip_ver:2;
@@ -39,13 +36,14 @@ struct it913x_dev {
static int it913x_init(struct dvb_frontend *fe)
{
struct it913x_dev *dev = fe->tuner_priv;
+ struct platform_device *pdev = dev->pdev;
int ret;
unsigned int utmp;
u8 iqik_m_cal, nv_val, buf[2];
static const u8 nv[] = {48, 32, 24, 16, 12, 8, 6, 4, 2};
unsigned long timeout;
- dev_dbg(&dev->client->dev, "role %u\n", dev->role);
+ dev_dbg(&pdev->dev, "role %u\n", dev->role);
ret = regmap_write(dev->regmap, 0x80ec4c, 0x68);
if (ret)
@@ -73,7 +71,7 @@ static int it913x_init(struct dvb_frontend *fe)
iqik_m_cal = 6;
break;
default:
- dev_err(&dev->client->dev, "unknown clock identifier %d\n", utmp);
+ dev_err(&pdev->dev, "unknown clock identifier %d\n", utmp);
goto err;
}
@@ -98,14 +96,14 @@ static int it913x_init(struct dvb_frontend *fe)
break;
}
- dev_dbg(&dev->client->dev, "r_fbc_m_bdry took %u ms, val %u\n",
+ dev_dbg(&pdev->dev, "r_fbc_m_bdry took %u ms, val %u\n",
jiffies_to_msecs(jiffies) -
(jiffies_to_msecs(timeout) - TIMEOUT), utmp);
dev->fn_min = dev->xtal * utmp;
dev->fn_min /= (dev->fdiv * nv_val);
dev->fn_min *= 1000;
- dev_dbg(&dev->client->dev, "fn_min %u\n", dev->fn_min);
+ dev_dbg(&pdev->dev, "fn_min %u\n", dev->fn_min);
/*
* Chip version BX never sets that flag so we just wait 50ms in that
@@ -125,7 +123,7 @@ static int it913x_init(struct dvb_frontend *fe)
break;
}
- dev_dbg(&dev->client->dev, "p_tsm_init_mode took %u ms, val %u\n",
+ dev_dbg(&pdev->dev, "p_tsm_init_mode took %u ms, val %u\n",
jiffies_to_msecs(jiffies) -
(jiffies_to_msecs(timeout) - TIMEOUT), utmp);
} else {
@@ -152,16 +150,17 @@ static int it913x_init(struct dvb_frontend *fe)
return 0;
err:
- dev_dbg(&dev->client->dev, "failed %d\n", ret);
+ dev_dbg(&pdev->dev, "failed %d\n", ret);
return ret;
}
static int it913x_sleep(struct dvb_frontend *fe)
{
struct it913x_dev *dev = fe->tuner_priv;
+ struct platform_device *pdev = dev->pdev;
int ret, len;
- dev_dbg(&dev->client->dev, "role %u\n", dev->role);
+ dev_dbg(&pdev->dev, "role %u\n", dev->role);
dev->active = false;
@@ -178,7 +177,7 @@ static int it913x_sleep(struct dvb_frontend *fe)
else
len = 15;
- dev_dbg(&dev->client->dev, "role %u, len %d\n", dev->role, len);
+ dev_dbg(&pdev->dev, "role %u, len %d\n", dev->role, len);
ret = regmap_bulk_write(dev->regmap, 0x80ec02,
"\x3f\x1f\x3f\x3e\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
@@ -210,13 +209,14 @@ static int it913x_sleep(struct dvb_frontend *fe)
return 0;
err:
- dev_dbg(&dev->client->dev, "failed %d\n", ret);
+ dev_dbg(&pdev->dev, "failed %d\n", ret);
return ret;
}
static int it913x_set_params(struct dvb_frontend *fe)
{
struct it913x_dev *dev = fe->tuner_priv;
+ struct platform_device *pdev = dev->pdev;
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
int ret;
unsigned int utmp;
@@ -224,7 +224,7 @@ static int it913x_set_params(struct dvb_frontend *fe)
u16 iqik_m_cal, n_div;
u8 u8tmp, n, l_band, lna_band;
- dev_dbg(&dev->client->dev, "role=%u, frequency %u, bandwidth_hz %u\n",
+ dev_dbg(&pdev->dev, "role=%u, frequency %u, bandwidth_hz %u\n",
dev->role, c->frequency, c->bandwidth_hz);
if (!dev->active) {
@@ -290,7 +290,7 @@ static int it913x_set_params(struct dvb_frontend *fe)
pre_lo_freq += (u32) n << 13;
/* Frequency OMEGA_IQIK_M_CAL_MID*/
t_cal_freq = pre_lo_freq + (u32)iqik_m_cal;
- dev_dbg(&dev->client->dev, "t_cal_freq %u, pre_lo_freq %u\n",
+ dev_dbg(&pdev->dev, "t_cal_freq %u, pre_lo_freq %u\n",
t_cal_freq, pre_lo_freq);
if (c->frequency <= 440000000) {
@@ -369,7 +369,7 @@ static int it913x_set_params(struct dvb_frontend *fe)
return 0;
err:
- dev_dbg(&dev->client->dev, "failed %d\n", ret);
+ dev_dbg(&pdev->dev, "failed %d\n", ret);
return ret;
}
@@ -385,40 +385,32 @@ static const struct dvb_tuner_ops it913x_tuner_ops = {
.set_params = it913x_set_params,
};
-static int it913x_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
+static int it913x_probe(struct platform_device *pdev)
{
- struct it913x_config *cfg = client->dev.platform_data;
- struct dvb_frontend *fe = cfg->fe;
+ struct it913x_platform_data *pdata = pdev->dev.platform_data;
+ struct dvb_frontend *fe = pdata->fe;
struct it913x_dev *dev;
+ const struct platform_device_id *id = platform_get_device_id(pdev);
int ret;
char *chip_ver_str;
- static const struct regmap_config regmap_config = {
- .reg_bits = 24,
- .val_bits = 8,
- };
dev = kzalloc(sizeof(struct it913x_dev), GFP_KERNEL);
if (dev == NULL) {
ret = -ENOMEM;
- dev_err(&client->dev, "kzalloc() failed\n");
+ dev_err(&pdev->dev, "kzalloc() failed\n");
goto err;
}
- dev->client = client;
- dev->fe = cfg->fe;
- dev->chip_ver = cfg->chip_ver;
- dev->role = cfg->role;
- dev->regmap = regmap_init_i2c(client, &regmap_config);
- if (IS_ERR(dev->regmap)) {
- ret = PTR_ERR(dev->regmap);
- goto err_kfree;
- }
+ dev->pdev = pdev;
+ dev->regmap = pdata->regmap;
+ dev->fe = pdata->fe;
+ dev->chip_ver = id->driver_data;
+ dev->role = pdata->role;
fe->tuner_priv = dev;
memcpy(&fe->ops.tuner_ops, &it913x_tuner_ops,
sizeof(struct dvb_tuner_ops));
- i2c_set_clientdata(client, dev);
+ platform_set_drvdata(pdev, dev);
if (dev->chip_ver == 1)
chip_ver_str = "AX";
@@ -427,41 +419,37 @@ static int it913x_probe(struct i2c_client *client,
else
chip_ver_str = "??";
- dev_info(&dev->client->dev, "ITE IT913X %s successfully attached\n",
- chip_ver_str);
- dev_dbg(&dev->client->dev, "chip_ver %u, role %u\n",
- dev->chip_ver, dev->role);
+ dev_info(&pdev->dev, "ITE IT913X %s successfully attached\n",
+ chip_ver_str);
+ dev_dbg(&pdev->dev, "chip_ver %u, role %u\n", dev->chip_ver, dev->role);
return 0;
-
-err_kfree:
- kfree(dev);
err:
- dev_dbg(&client->dev, "failed %d\n", ret);
+ dev_dbg(&pdev->dev, "failed %d\n", ret);
return ret;
}
-static int it913x_remove(struct i2c_client *client)
+static int it913x_remove(struct platform_device *pdev)
{
- struct it913x_dev *dev = i2c_get_clientdata(client);
+ struct it913x_dev *dev = platform_get_drvdata(pdev);
struct dvb_frontend *fe = dev->fe;
- dev_dbg(&client->dev, "\n");
+ dev_dbg(&pdev->dev, "\n");
memset(&fe->ops.tuner_ops, 0, sizeof(struct dvb_tuner_ops));
fe->tuner_priv = NULL;
- regmap_exit(dev->regmap);
kfree(dev);
return 0;
}
-static const struct i2c_device_id it913x_id_table[] = {
- {"it913x", 0},
- {}
+static const struct platform_device_id it913x_id_table[] = {
+ {"it9133ax-tuner", 1},
+ {"it9133bx-tuner", 2},
+ {},
};
-MODULE_DEVICE_TABLE(i2c, it913x_id_table);
+MODULE_DEVICE_TABLE(platform, it913x_id_table);
-static struct i2c_driver it913x_driver = {
+static struct platform_driver it913x_driver = {
.driver = {
.name = "it913x",
.suppress_bind_attrs = true,
@@ -471,7 +459,7 @@ static struct i2c_driver it913x_driver = {
.id_table = it913x_id_table,
};
-module_i2c_driver(it913x_driver);
+module_platform_driver(it913x_driver);
MODULE_DESCRIPTION("ITE IT913X silicon tuner driver");
MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.