#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;
+};
/* ---------------------------------------------------------------------- */
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;
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);
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);
}
{ .lomax = 0, .svco = 0, .spd = 0, .scr = 0, .sbs = 0, .gc3 = 0} /* End */
};
+static void tda827xa_lna_gain(struct i2c_client *c, int high)
+{
+ struct tuner *t = i2c_get_clientdata(c);
+ unsigned char buf[] = {0x22, 0x01};
+ int arg;
+ struct i2c_msg msg = {.addr = c->addr, .flags = 0, .buf = buf, .len = sizeof(buf)};
+ if (t->config) {
+ if (high)
+ tuner_dbg("setting LNA to high gain\n");
+ else
+ tuner_dbg("setting LNA to low gain\n");
+ }
+ switch (t->config) {
+ case 0: /* no LNA */
+ break;
+ case 1: /* switch is GPIO 0 of tda8290 */
+ case 2:
+ /* turn Vsync on */
+ if (t->std & V4L2_STD_MN)
+ arg = 1;
+ else
+ arg = 0;
+ if (t->tuner_callback)
+ t->tuner_callback(c->adapter->algo_data, 1, arg);
+ buf[1] = high ? 0 : 1;
+ if (t->config == 2)
+ buf[1] = high ? 1 : 0;
+ i2c_transfer(c->adapter, &msg, 1);
+ break;
+ case 3: /* switch with GPIO of saa713x */
+ if (t->tuner_callback)
+ t->tuner_callback(c->adapter->algo_data, 0, high);
+ break;
+ }
+}
+
static void tda827xa_tune(struct i2c_client *c, u16 ifc, unsigned int freq)
{
- unsigned char tuner_reg[14];
- unsigned char reg2[2];
+ unsigned char tuner_reg[11];
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, .buf = tuner_reg};
+
+ tda827xa_lna_gain( c, 1);
+ msleep(10);
if (t->mode == V4L2_TUNER_RADIO)
freq = freq / 1000;
tuner_reg[5] = (tda827xa_analog[i].spd << 5) + (tda827xa_analog[i].svco << 3) +
tda827xa_analog[i].sbs;
tuner_reg[6] = 0x8b + (tda827xa_analog[i].gc3 << 4);
- tuner_reg[7] = 0x0c;
+ tuner_reg[7] = 0x1c;
tuner_reg[8] = 4;
tuner_reg[9] = 0x20;
- tuner_reg[10] = 0xff;
- tuner_reg[11] = 0xe0;
- tuner_reg[12] = 0;
- tuner_reg[13] = 0x39 + (t->tda827x_lpsel << 1);
+ tuner_reg[10] = 0x00;
+ msg.len = 11;
+ i2c_transfer(c->adapter, &msg, 1);
- msg.buf = tuner_reg;
- msg.len = 14;
+ tuner_reg[0] = 0x90;
+ tuner_reg[1] = 0xff;
+ tuner_reg[2] = 0xe0;
+ tuner_reg[3] = 0;
+ tuner_reg[4] = 0x99 + (priv->tda827x_lpsel << 1);
+ msg.len = 5;
i2c_transfer(c->adapter, &msg, 1);
- msg.buf= reg2;
+ tuner_reg[0] = 0xa0;
+ tuner_reg[1] = 0xc0;
msg.len = 2;
- reg2[0] = 0x60;
- reg2[1] = 0x3c;
i2c_transfer(c->adapter, &msg, 1);
- reg2[0] = 0xa0;
- reg2[1] = 0xc0;
+ tuner_reg[0] = 0x30;
+ tuner_reg[1] = 0x10 + tda827xa_analog[i].scr;
i2c_transfer(c->adapter, &msg, 1);
- msleep(2);
- reg2[0] = 0x30;
- reg2[1] = 0x10 + tda827xa_analog[i].scr;
+ msg.flags = I2C_M_RD;
+ i2c_transfer(c->adapter, &msg, 1);
+ msg.flags = 0;
+ tuner_reg[1] >>= 4;
+ tuner_dbg("AGC2 gain is: %d\n", tuner_reg[1]);
+ if (tuner_reg[1] < 1)
+ tda827xa_lna_gain( c, 0);
+
+ msleep(100);
+ tuner_reg[0] = 0x60;
+ tuner_reg[1] = 0x3c;
i2c_transfer(c->adapter, &msg, 1);
- msleep(550);
- reg2[0] = 0x50;
- reg2[1] = 0x8f + (tda827xa_analog[i].gc3 << 4);
+ msleep(163);
+ tuner_reg[0] = 0x50;
+ tuner_reg[1] = 0x8f + (tda827xa_analog[i].gc3 << 4);
i2c_transfer(c->adapter, &msg, 1);
- reg2[0] = 0x80;
- reg2[1] = 0x28;
+ tuner_reg[0] = 0x80;
+ tuner_reg[1] = 0x28;
i2c_transfer(c->adapter, &msg, 1);
- reg2[0] = 0xb0;
- reg2[1] = 0x01;
+ tuner_reg[0] = 0xb0;
+ tuner_reg[1] = 0x01;
i2c_transfer(c->adapter, &msg, 1);
- reg2[0] = 0xc0;
- reg2[1] = 0x19 + (t->tda827x_lpsel << 1);
+ tuner_reg[0] = 0xc0;
+ 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);
}
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 };
unsigned char addr_pll_stat = 0x1b;
unsigned char adc_sat, agc_stat,
pll_stat;
+ int i;
+ tuner_dbg("tda827xa config is 0x%02x\n", t->config);
i2c_master_send(c, easy_mode, 2);
i2c_master_send(c, agc_out_on, 2);
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);
+ for (i = 0; i < 3; i++) {
+ i2c_master_send(c, &addr_pll_stat, 1);
+ i2c_master_recv(c, &pll_stat, 1);
+ if (pll_stat & 0x80) {
+ i2c_master_send(c, &addr_adc_sat, 1);
+ i2c_master_recv(c, &adc_sat, 1);
+ i2c_master_send(c, &addr_agc_stat, 1);
+ i2c_master_recv(c, &agc_stat, 1);
+ tuner_dbg("tda8290 is locked, AGC: %d\n", agc_stat);
+ break;
+ } else {
+ tuner_dbg("tda8290 not locked, no signal?\n");
+ msleep(100);
+ }
+ }
/* adjust headroom resp. gain */
- i2c_master_send(c, &addr_adc_sat, 1);
- i2c_master_recv(c, &adc_sat, 1);
- i2c_master_send(c, &addr_agc_stat, 1);
- i2c_master_recv(c, &agc_stat, 1);
- i2c_master_send(c, &addr_pll_stat, 1);
- i2c_master_recv(c, &pll_stat, 1);
- if (pll_stat & 0x80)
- tuner_dbg("tda8290 is locked, AGC: %d\n", agc_stat);
- else
- tuner_dbg("tda8290 not locked, no signal?\n");
if ((agc_stat > 115) || (!(pll_stat & 0x80) && (adc_sat < 20))) {
tuner_dbg("adjust gain, step 1. Agc: %d, ADC stat: %d, lock: %d\n",
agc_stat, adc_sat, pll_stat & 0x80);
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);
}
/* 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);
static void set_audio(struct tuner *t)
{
+ struct tda8290_priv *priv = t->priv;
char* mode;
- t->tda827x_lpsel = 0;
- mode = "xx";
+ 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 {
+ priv->sgIF = 124;
+ priv->tda8290_easy_mode = 0x10;
+ mode = "xx";
}
- tuner_dbg("setting tda8290 to system %s\n", mode);
+ tuner_dbg("setting tda8290 to system %s\n", mode);
}
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)
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);
static void tda8290_init_if(struct i2c_client *c)
{
+ struct tuner *t = i2c_get_clientdata(c);
unsigned char set_VS[] = { 0x30, 0x6F };
+ unsigned char set_GP00_CF[] = { 0x20, 0x01 };
unsigned char set_GP01_CF[] = { 0x20, 0x0B };
+ if ((t->config == 1) || (t->config == 2))
+ i2c_master_send(c, set_GP00_CF, 2);
+ else
+ i2c_master_send(c, set_GP01_CF, 2);
i2c_master_send(c, set_VS, 2);
- i2c_master_send(c, set_GP01_CF, 2);
}
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);
/*---------------------------------------------------------------------*/
+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;
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);
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);
tda8290_init_if(c);