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path: root/drivers/media/video/tda9887.c
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Diffstat (limited to 'drivers/media/video/tda9887.c')
-rw-r--r--drivers/media/video/tda9887.c111
1 files changed, 74 insertions, 37 deletions
diff --git a/drivers/media/video/tda9887.c b/drivers/media/video/tda9887.c
index fde576f1101..be5387f11af 100644
--- a/drivers/media/video/tda9887.c
+++ b/drivers/media/video/tda9887.c
@@ -1,16 +1,15 @@
#include <linux/module.h>
-#include <linux/moduleparam.h>
#include <linux/kernel.h>
#include <linux/i2c.h>
#include <linux/types.h>
-#include <linux/videodev.h>
#include <linux/init.h>
#include <linux/errno.h>
#include <linux/slab.h>
#include <linux/delay.h>
-
+#include <linux/videodev.h>
#include <media/v4l2-common.h>
#include <media/tuner.h>
+#include "tuner-driver.h"
/* Chips:
@@ -29,6 +28,11 @@
printk(KERN_INFO "%s %d-%04x: " fmt, t->i2c.name, \
i2c_adapter_id(t->i2c.adapter), t->i2c.addr , ##arg); } while (0)
+struct tda9887_priv {
+ struct tuner_i2c_props i2c_props;
+
+ unsigned char data[4];
+};
/* ---------------------------------------------------------------------- */
@@ -93,6 +97,8 @@ struct tvnorm {
#define cAudioIF_6_5 0x03 // bit e0:1
+#define cVideoIFMask 0x1c // bit e2:4
+/* Video IF selection in TV Mode (bit B3=0) */
#define cVideoIF_58_75 0x00 // bit e2:4
#define cVideoIF_45_75 0x04 // bit e2:4
#define cVideoIF_38_90 0x08 // bit e2:4
@@ -102,6 +108,13 @@ struct tvnorm {
#define cRadioIF_45_75 0x18 // bit e2:4
#define cRadioIF_38_90 0x1C // bit e2:4
+/* IF1 selection in Radio Mode (bit B3=1) */
+#define cRadioIF_33_30 0x00 // bit e2,4 (also 0x10,0x14)
+#define cRadioIF_41_30 0x04 // bit e2,4
+
+/* Output of AFC pin in radio mode when bit E7=1 */
+#define cRadioAGC_SIF 0x00 // bit e3
+#define cRadioAGC_FM 0x08 // bit e3
#define cTunerGainNormal 0x00 // bit e5
#define cTunerGainLow 0x20 // bit e5
@@ -483,9 +496,13 @@ static int tda9887_set_config(struct tuner *t, char *buf)
if (t->tda9887_config & TDA9887_GATING_18)
buf[3] &= ~cGating_36;
- if (t->tda9887_config & TDA9887_GAIN_NORMAL) {
- radio_stereo.e &= ~cTunerGainLow;
- radio_mono.e &= ~cTunerGainLow;
+ if (t->mode == V4L2_TUNER_RADIO) {
+ if (t->tda9887_config & TDA9887_RIF_41_3) {
+ buf[3] &= ~cVideoIFMask;
+ buf[3] |= cRadioIF_41_30;
+ }
+ if (t->tda9887_config & TDA9887_GAIN_NORMAL)
+ buf[3] &= ~cTunerGainLow;
}
return 0;
@@ -495,23 +512,24 @@ static int tda9887_set_config(struct tuner *t, char *buf)
static int tda9887_status(struct tuner *t)
{
+ struct tda9887_priv *priv = t->priv;
unsigned char buf[1];
int rc;
memset(buf,0,sizeof(buf));
- if (1 != (rc = i2c_master_recv(&t->i2c,buf,1)))
+ if (1 != (rc = tuner_i2c_xfer_recv(&priv->i2c_props,buf,1)))
tda9887_info("i2c i/o error: rc == %d (should be 1)\n",rc);
dump_read_message(t, buf);
return 0;
}
-static void tda9887_configure(struct i2c_client *client)
+static void tda9887_configure(struct tuner *t)
{
- struct tuner *t = i2c_get_clientdata(client);
+ struct tda9887_priv *priv = t->priv;
int rc;
- memset(t->tda9887_data,0,sizeof(t->tda9887_data));
- tda9887_set_tvnorm(t,t->tda9887_data);
+ memset(priv->data,0,sizeof(priv->data));
+ tda9887_set_tvnorm(t,priv->data);
/* A note on the port settings:
These settings tend to depend on the specifics of the board.
@@ -526,22 +544,22 @@ static void tda9887_configure(struct i2c_client *client)
the ports should be set to active (0), but, again, that may
differ depending on the precise hardware configuration.
*/
- t->tda9887_data[1] |= cOutputPort1Inactive;
- t->tda9887_data[1] |= cOutputPort2Inactive;
+ priv->data[1] |= cOutputPort1Inactive;
+ priv->data[1] |= cOutputPort2Inactive;
- tda9887_set_config(t,t->tda9887_data);
- tda9887_set_insmod(t,t->tda9887_data);
+ tda9887_set_config(t,priv->data);
+ tda9887_set_insmod(t,priv->data);
if (t->mode == T_STANDBY) {
- t->tda9887_data[1] |= cForcedMuteAudioON;
+ priv->data[1] |= cForcedMuteAudioON;
}
tda9887_dbg("writing: b=0x%02x c=0x%02x e=0x%02x\n",
- t->tda9887_data[1],t->tda9887_data[2],t->tda9887_data[3]);
+ priv->data[1],priv->data[2],priv->data[3]);
if (tuner_debug > 1)
- dump_write_message(t, t->tda9887_data);
+ dump_write_message(t, priv->data);
- if (4 != (rc = i2c_master_send(&t->i2c,t->tda9887_data,4)))
+ if (4 != (rc = tuner_i2c_xfer_send(&priv->i2c_props,priv->data,4)))
tda9887_info("i2c i/o error: rc == %d (should be 4)\n",rc);
if (tuner_debug > 2) {
@@ -552,15 +570,15 @@ static void tda9887_configure(struct i2c_client *client)
/* ---------------------------------------------------------------------- */
-static void tda9887_tuner_status(struct i2c_client *client)
+static void tda9887_tuner_status(struct tuner *t)
{
- struct tuner *t = i2c_get_clientdata(client);
- tda9887_info("Data bytes: b=0x%02x c=0x%02x e=0x%02x\n", t->tda9887_data[1], t->tda9887_data[2], t->tda9887_data[3]);
+ struct tda9887_priv *priv = t->priv;
+ tda9887_info("Data bytes: b=0x%02x c=0x%02x e=0x%02x\n", priv->data[1], priv->data[2], priv->data[3]);
}
-static int tda9887_get_afc(struct i2c_client *client)
+static int tda9887_get_afc(struct tuner *t)
{
- struct tuner *t = i2c_get_clientdata(client);
+ struct tda9887_priv *priv = t->priv;
static int AFC_BITS_2_kHz[] = {
-12500, -37500, -62500, -97500,
-112500, -137500, -162500, -187500,
@@ -570,36 +588,55 @@ static int tda9887_get_afc(struct i2c_client *client)
int afc=0;
__u8 reg = 0;
- if (1 == i2c_master_recv(&t->i2c,&reg,1))
+ if (1 == tuner_i2c_xfer_recv(&priv->i2c_props,&reg,1))
afc = AFC_BITS_2_kHz[(reg>>1)&0x0f];
return afc;
}
-static void tda9887_standby(struct i2c_client *client)
+static void tda9887_standby(struct tuner *t)
{
- tda9887_configure(client);
+ tda9887_configure(t);
}
-static void tda9887_set_freq(struct i2c_client *client, unsigned int freq)
+static void tda9887_set_freq(struct tuner *t, unsigned int freq)
{
- tda9887_configure(client);
+ tda9887_configure(t);
}
-int tda9887_tuner_init(struct i2c_client *c)
+static void tda9887_release(struct tuner *t)
{
- struct tuner *t = i2c_get_clientdata(c);
+ kfree(t->priv);
+ t->priv = NULL;
+}
+
+static struct tuner_operations tda9887_tuner_ops = {
+ .set_tv_freq = tda9887_set_freq,
+ .set_radio_freq = tda9887_set_freq,
+ .standby = tda9887_standby,
+ .tuner_status = tda9887_tuner_status,
+ .get_afc = tda9887_get_afc,
+ .release = tda9887_release,
+};
+
+int tda9887_tuner_init(struct tuner *t)
+{
+ struct tda9887_priv *priv = NULL;
+
+ priv = kzalloc(sizeof(struct tda9887_priv), GFP_KERNEL);
+ if (priv == NULL)
+ return -ENOMEM;
+ t->priv = priv;
+
+ priv->i2c_props.addr = t->i2c.addr;
+ priv->i2c_props.adap = t->i2c.adapter;
- strlcpy(c->name, "tda9887", sizeof(c->name));
+ strlcpy(t->i2c.name, "tda9887", sizeof(t->i2c.name));
tda9887_info("tda988[5/6/7] found @ 0x%x (%s)\n", t->i2c.addr,
t->i2c.driver->driver.name);
- t->set_tv_freq = tda9887_set_freq;
- t->set_radio_freq = tda9887_set_freq;
- t->standby = tda9887_standby;
- t->tuner_status = tda9887_tuner_status;
- t->get_afc = tda9887_get_afc;
+ memcpy(&t->ops, &tda9887_tuner_ops, sizeof(struct tuner_operations));
return 0;
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-28 22:19:02 +0000