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path: root/drivers/media/video/tda8290.c
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Diffstat (limited to 'drivers/media/video/tda8290.c')
-rw-r--r--drivers/media/video/tda8290.c129
1 files changed, 84 insertions, 45 deletions
diff --git a/drivers/media/video/tda8290.c b/drivers/media/video/tda8290.c
index 1a1bef0e9c3d..59cff5a3c59e 100644
--- a/drivers/media/video/tda8290.c
+++ b/drivers/media/video/tda8290.c
@@ -21,7 +21,17 @@
#include <linux/i2c.h>
#include <linux/videodev.h>
#include <linux/delay.h>
-#include <media/tuner.h>
+#include "tuner-driver.h"
+
+/* ---------------------------------------------------------------------- */
+
+struct tda8290_priv {
+ unsigned char tda8290_easy_mode;
+ unsigned char tda827x_lpsel;
+ unsigned char tda827x_addr;
+ unsigned char tda827x_ver;
+ unsigned int sgIF;
+};
/* ---------------------------------------------------------------------- */
@@ -76,7 +86,8 @@ static void tda827x_tune(struct i2c_client *c, u16 ifc, unsigned int freq)
u32 N;
int i;
struct tuner *t = i2c_get_clientdata(c);
- struct i2c_msg msg = {.addr = t->tda827x_addr, .flags = 0};
+ struct tda8290_priv *priv = t->priv;
+ struct i2c_msg msg = {.addr = priv->tda827x_addr, .flags = 0};
if (t->mode == V4L2_TUNER_RADIO)
freq = freq / 1000;
@@ -95,7 +106,7 @@ static void tda827x_tune(struct i2c_client *c, u16 ifc, unsigned int freq)
tuner_reg[1] = (unsigned char)(N>>8);
tuner_reg[2] = (unsigned char) N;
tuner_reg[3] = 0x40;
- tuner_reg[4] = 0x52 + (t->tda827x_lpsel << 5);
+ tuner_reg[4] = 0x52 + (priv->tda827x_lpsel << 5);
tuner_reg[5] = (tda827x_analog[i].spd << 6) + (tda827x_analog[i].div1p5 <<5) +
(tda827x_analog[i].bs <<3) + tda827x_analog[i].bp;
tuner_reg[6] = 0x8f + (tda827x_analog[i].gc3 << 4);
@@ -146,8 +157,9 @@ static void tda827x_tune(struct i2c_client *c, u16 ifc, unsigned int freq)
static void tda827x_agcf(struct i2c_client *c)
{
struct tuner *t = i2c_get_clientdata(c);
+ struct tda8290_priv *priv = t->priv;
unsigned char data[] = {0x80, 0x0c};
- struct i2c_msg msg = {.addr = t->tda827x_addr, .buf = data,
+ struct i2c_msg msg = {.addr = priv->tda827x_addr, .buf = data,
.flags = 0, .len = 2};
i2c_transfer(c->adapter, &msg, 1);
}
@@ -234,7 +246,8 @@ static void tda827xa_tune(struct i2c_client *c, u16 ifc, unsigned int freq)
u32 N;
int i;
struct tuner *t = i2c_get_clientdata(c);
- struct i2c_msg msg = {.addr = t->tda827x_addr, .flags = 0, .buf = tuner_reg};
+ struct tda8290_priv *priv = t->priv;
+ struct i2c_msg msg = {.addr = priv->tda827x_addr, .flags = 0, .buf = tuner_reg};
tda827xa_lna_gain( c, 1);
msleep(10);
@@ -271,7 +284,7 @@ static void tda827xa_tune(struct i2c_client *c, u16 ifc, unsigned int freq)
tuner_reg[1] = 0xff;
tuner_reg[2] = 0xe0;
tuner_reg[3] = 0;
- tuner_reg[4] = 0x99 + (t->tda827x_lpsel << 1);
+ tuner_reg[4] = 0x99 + (priv->tda827x_lpsel << 1);
msg.len = 5;
i2c_transfer(c->adapter, &msg, 1);
@@ -311,15 +324,16 @@ static void tda827xa_tune(struct i2c_client *c, u16 ifc, unsigned int freq)
i2c_transfer(c->adapter, &msg, 1);
tuner_reg[0] = 0xc0;
- tuner_reg[1] = 0x19 + (t->tda827x_lpsel << 1);
+ tuner_reg[1] = 0x19 + (priv->tda827x_lpsel << 1);
i2c_transfer(c->adapter, &msg, 1);
}
static void tda827xa_agcf(struct i2c_client *c)
{
struct tuner *t = i2c_get_clientdata(c);
+ struct tda8290_priv *priv = t->priv;
unsigned char data[] = {0x80, 0x2c};
- struct i2c_msg msg = {.addr = t->tda827x_addr, .buf = data,
+ struct i2c_msg msg = {.addr = priv->tda827x_addr, .buf = data,
.flags = 0, .len = 2};
i2c_transfer(c->adapter, &msg, 1);
}
@@ -347,8 +361,9 @@ static void tda8290_i2c_bridge(struct i2c_client *c, int close)
static int tda8290_tune(struct i2c_client *c, u16 ifc, unsigned int freq)
{
struct tuner *t = i2c_get_clientdata(c);
+ struct tda8290_priv *priv = t->priv;
unsigned char soft_reset[] = { 0x00, 0x00 };
- unsigned char easy_mode[] = { 0x01, t->tda8290_easy_mode };
+ unsigned char easy_mode[] = { 0x01, priv->tda8290_easy_mode };
unsigned char expert_mode[] = { 0x01, 0x80 };
unsigned char agc_out_on[] = { 0x02, 0x00 };
unsigned char gainset_off[] = { 0x28, 0x14 };
@@ -375,18 +390,18 @@ static int tda8290_tune(struct i2c_client *c, u16 ifc, unsigned int freq)
i2c_master_send(c, soft_reset, 2);
msleep(1);
- expert_mode[1] = t->tda8290_easy_mode + 0x80;
+ expert_mode[1] = priv->tda8290_easy_mode + 0x80;
i2c_master_send(c, expert_mode, 2);
i2c_master_send(c, gainset_off, 2);
i2c_master_send(c, if_agc_spd, 2);
- if (t->tda8290_easy_mode & 0x60)
+ if (priv->tda8290_easy_mode & 0x60)
i2c_master_send(c, adc_head_9, 2);
else
i2c_master_send(c, adc_head_6, 2);
i2c_master_send(c, pll_bw_nom, 2);
tda8290_i2c_bridge(c, 1);
- if (t->tda827x_ver != 0)
+ if (priv->tda827x_ver != 0)
tda827xa_tune(c, ifc, freq);
else
tda827x_tune(c, ifc, freq);
@@ -418,7 +433,7 @@ static int tda8290_tune(struct i2c_client *c, u16 ifc, unsigned int freq)
if ((agc_stat > 115) || !(pll_stat & 0x80)) {
tuner_dbg("adjust gain, step 2. Agc: %d, lock: %d\n",
agc_stat, pll_stat & 0x80);
- if (t->tda827x_ver != 0)
+ if (priv->tda827x_ver != 0)
tda827xa_agcf(c);
else
tda827x_agcf(c);
@@ -437,7 +452,7 @@ static int tda8290_tune(struct i2c_client *c, u16 ifc, unsigned int freq)
}
/* l/ l' deadlock? */
- if(t->tda8290_easy_mode & 0x60) {
+ if(priv->tda8290_easy_mode & 0x60) {
i2c_master_send(c, &addr_adc_sat, 1);
i2c_master_recv(c, &adc_sat, 1);
i2c_master_send(c, &addr_pll_stat, 1);
@@ -459,41 +474,42 @@ static int tda8290_tune(struct i2c_client *c, u16 ifc, unsigned int freq)
static void set_audio(struct tuner *t)
{
+ struct tda8290_priv *priv = t->priv;
char* mode;
- t->tda827x_lpsel = 0;
+ priv->tda827x_lpsel = 0;
if (t->std & V4L2_STD_MN) {
- t->sgIF = 92;
- t->tda8290_easy_mode = 0x01;
- t->tda827x_lpsel = 1;
+ priv->sgIF = 92;
+ priv->tda8290_easy_mode = 0x01;
+ priv->tda827x_lpsel = 1;
mode = "MN";
} else if (t->std & V4L2_STD_B) {
- t->sgIF = 108;
- t->tda8290_easy_mode = 0x02;
+ priv->sgIF = 108;
+ priv->tda8290_easy_mode = 0x02;
mode = "B";
} else if (t->std & V4L2_STD_GH) {
- t->sgIF = 124;
- t->tda8290_easy_mode = 0x04;
+ priv->sgIF = 124;
+ priv->tda8290_easy_mode = 0x04;
mode = "GH";
} else if (t->std & V4L2_STD_PAL_I) {
- t->sgIF = 124;
- t->tda8290_easy_mode = 0x08;
+ priv->sgIF = 124;
+ priv->tda8290_easy_mode = 0x08;
mode = "I";
} else if (t->std & V4L2_STD_DK) {
- t->sgIF = 124;
- t->tda8290_easy_mode = 0x10;
+ priv->sgIF = 124;
+ priv->tda8290_easy_mode = 0x10;
mode = "DK";
} else if (t->std & V4L2_STD_SECAM_L) {
- t->sgIF = 124;
- t->tda8290_easy_mode = 0x20;
+ priv->sgIF = 124;
+ priv->tda8290_easy_mode = 0x20;
mode = "L";
} else if (t->std & V4L2_STD_SECAM_LC) {
- t->sgIF = 20;
- t->tda8290_easy_mode = 0x40;
+ priv->sgIF = 20;
+ priv->tda8290_easy_mode = 0x40;
mode = "LC";
} else {
- t->sgIF = 124;
- t->tda8290_easy_mode = 0x10;
+ priv->sgIF = 124;
+ priv->tda8290_easy_mode = 0x10;
mode = "xx";
}
tuner_dbg("setting tda8290 to system %s\n", mode);
@@ -502,9 +518,10 @@ static void set_audio(struct tuner *t)
static void set_tv_freq(struct i2c_client *c, unsigned int freq)
{
struct tuner *t = i2c_get_clientdata(c);
+ struct tda8290_priv *priv = t->priv;
set_audio(t);
- tda8290_tune(c, t->sgIF, freq);
+ tda8290_tune(c, priv->sgIF, freq);
}
static void set_radio_freq(struct i2c_client *c, unsigned int freq)
@@ -528,13 +545,14 @@ static int has_signal(struct i2c_client *c)
static void standby(struct i2c_client *c)
{
struct tuner *t = i2c_get_clientdata(c);
+ struct tda8290_priv *priv = t->priv;
unsigned char cb1[] = { 0x30, 0xD0 };
unsigned char tda8290_standby[] = { 0x00, 0x02 };
unsigned char tda8290_agc_tri[] = { 0x02, 0x20 };
- struct i2c_msg msg = {.addr = t->tda827x_addr, .flags=0, .buf=cb1, .len = 2};
+ struct i2c_msg msg = {.addr = priv->tda827x_addr, .flags=0, .buf=cb1, .len = 2};
tda8290_i2c_bridge(c, 1);
- if (t->tda827x_ver != 0)
+ if (priv->tda827x_ver != 0)
cb1[1] = 0x90;
i2c_transfer(c->adapter, &msg, 1);
tda8290_i2c_bridge(c, 0);
@@ -560,13 +578,14 @@ static void tda8290_init_if(struct i2c_client *c)
static void tda8290_init_tuner(struct i2c_client *c)
{
struct tuner *t = i2c_get_clientdata(c);
+ struct tda8290_priv *priv = t->priv;
unsigned char tda8275_init[] = { 0x00, 0x00, 0x00, 0x40, 0xdC, 0x04, 0xAf,
0x3F, 0x2A, 0x04, 0xFF, 0x00, 0x00, 0x40 };
unsigned char tda8275a_init[] = { 0x00, 0x00, 0x00, 0x00, 0xdC, 0x05, 0x8b,
0x0c, 0x04, 0x20, 0xFF, 0x00, 0x00, 0x4b };
- struct i2c_msg msg = {.addr = t->tda827x_addr, .flags=0,
+ struct i2c_msg msg = {.addr = priv->tda827x_addr, .flags=0,
.buf=tda8275_init, .len = 14};
- if (t->tda827x_ver != 0)
+ if (priv->tda827x_ver != 0)
msg.buf = tda8275a_init;
tda8290_i2c_bridge(c, 1);
@@ -576,14 +595,36 @@ static void tda8290_init_tuner(struct i2c_client *c)
/*---------------------------------------------------------------------*/
+static void tda8290_release(struct i2c_client *c)
+{
+ struct tuner *t = i2c_get_clientdata(c);
+
+ kfree(t->priv);
+ t->priv = NULL;
+}
+
+static struct tuner_operations tda8290_tuner_ops = {
+ .set_tv_freq = set_tv_freq,
+ .set_radio_freq = set_radio_freq,
+ .has_signal = has_signal,
+ .standby = standby,
+ .release = tda8290_release,
+};
+
int tda8290_init(struct i2c_client *c)
{
+ struct tda8290_priv *priv = NULL;
struct tuner *t = i2c_get_clientdata(c);
u8 data;
int i, ret, tuners_found;
u32 tuner_addrs;
struct i2c_msg msg = {.flags=I2C_M_RD, .buf=&data, .len = 1};
+ priv = kzalloc(sizeof(struct tda8290_priv), GFP_KERNEL);
+ if (priv == NULL)
+ return -ENOMEM;
+ t->priv = priv;
+
tda8290_i2c_bridge(c, 1);
/* probe for tuner chip */
tuners_found = 0;
@@ -618,7 +659,7 @@ int tda8290_init(struct i2c_client *c)
tuner_addrs = tuner_addrs & 0xff;
tuner_info ("setting tuner address to %x\n", tuner_addrs);
}
- t->tda827x_addr = tuner_addrs;
+ priv->tda827x_addr = tuner_addrs;
msg.addr = tuner_addrs;
tda8290_i2c_bridge(c, 1);
@@ -627,18 +668,16 @@ int tda8290_init(struct i2c_client *c)
tuner_warn ("TDA827x access failed!\n");
if ((data & 0x3c) == 0) {
strlcpy(c->name, "tda8290+75", sizeof(c->name));
- t->tda827x_ver = 0;
+ priv->tda827x_ver = 0;
} else {
strlcpy(c->name, "tda8290+75a", sizeof(c->name));
- t->tda827x_ver = 2;
+ priv->tda827x_ver = 2;
}
tuner_info("type set to %s\n", c->name);
- t->set_tv_freq = set_tv_freq;
- t->set_radio_freq = set_radio_freq;
- t->has_signal = has_signal;
- t->standby = standby;
- t->tda827x_lpsel = 0;
+ memcpy(&t->ops, &tda8290_tuner_ops, sizeof(struct tuner_operations));
+
+ priv->tda827x_lpsel = 0;
t->mode = V4L2_TUNER_ANALOG_TV;
tda8290_init_tuner(c);
generated by cgit v1.2.3 (git 2.0.4) at 2024-05-23 21:42:41 +0000