#include <linux/i2c.h>
#include <linux/delay.h>
#include <linux/videodev.h>
+#include "tuner-i2c.h"
#include "tda8290.h"
#include "tda827x.h"
#include "tda18271.h"
-static int tuner_debug;
-module_param_named(debug, tuner_debug, int, 0644);
+static int debug;
+module_param(debug, int, 0644);
MODULE_PARM_DESC(debug, "enable verbose debug messages");
-#define PREFIX "tda8290 "
+#define PREFIX "tda8290"
/* ---------------------------------------------------------------------- */
unsigned char tda8290_easy_mode;
unsigned char tda827x_addr;
- unsigned char tda827x_ver;
+
+ unsigned char ver;
+#define TDA8290 1
+#define TDA8295 2
+#define TDA8275 4
+#define TDA8275A 8
+#define TDA18271 16
struct tda827x_config cfg;
};
/*---------------------------------------------------------------------*/
-static void tda8290_i2c_bridge(struct tuner *t, int close)
+static int tda8290_i2c_bridge(struct dvb_frontend *fe, int close)
{
- struct tda8290_priv *priv = t->priv;
+ struct tda8290_priv *priv = fe->analog_demod_priv;
unsigned char enable[2] = { 0x21, 0xC0 };
unsigned char disable[2] = { 0x21, 0x00 };
unsigned char *msg;
- if(close) {
+
+ if (close) {
msg = enable;
tuner_i2c_xfer_send(&priv->i2c_props, msg, 2);
/* let the bridge stabilize */
msg = disable;
tuner_i2c_xfer_send(&priv->i2c_props, msg, 2);
}
+
+ return 0;
}
-static void tda8295_i2c_bridge(struct tuner *t, int close)
+static int tda8295_i2c_bridge(struct dvb_frontend *fe, int close)
{
- struct tda8290_priv *priv = t->priv;
+ struct tda8290_priv *priv = fe->analog_demod_priv;
unsigned char enable[2] = { 0x45, 0xc1 };
unsigned char disable[2] = { 0x46, 0x00 };
unsigned char buf[3] = { 0x45, 0x01, 0x00 };
unsigned char *msg;
+
if (close) {
msg = enable;
tuner_i2c_xfer_send(&priv->i2c_props, msg, 2);
msg[1] |= 0x04;
tuner_i2c_xfer_send(&priv->i2c_props, msg, 2);
}
+
+ return 0;
}
/*---------------------------------------------------------------------*/
-static void set_audio(struct tuner *t)
+static void set_audio(struct dvb_frontend *fe,
+ struct analog_parameters *params)
{
- struct tda8290_priv *priv = t->priv;
+ struct tda8290_priv *priv = fe->analog_demod_priv;
char* mode;
- priv->cfg.tda827x_lpsel = 0;
- if (t->std & V4L2_STD_MN) {
- priv->cfg.sgIF = 92;
+ if (params->std & V4L2_STD_MN) {
priv->tda8290_easy_mode = 0x01;
- priv->cfg.tda827x_lpsel = 1;
mode = "MN";
- } else if (t->std & V4L2_STD_B) {
- priv->cfg.sgIF = 108;
+ } else if (params->std & V4L2_STD_B) {
priv->tda8290_easy_mode = 0x02;
mode = "B";
- } else if (t->std & V4L2_STD_GH) {
- priv->cfg.sgIF = 124;
+ } else if (params->std & V4L2_STD_GH) {
priv->tda8290_easy_mode = 0x04;
mode = "GH";
- } else if (t->std & V4L2_STD_PAL_I) {
- priv->cfg.sgIF = 124;
+ } else if (params->std & V4L2_STD_PAL_I) {
priv->tda8290_easy_mode = 0x08;
mode = "I";
- } else if (t->std & V4L2_STD_DK) {
- priv->cfg.sgIF = 124;
+ } else if (params->std & V4L2_STD_DK) {
priv->tda8290_easy_mode = 0x10;
mode = "DK";
- } else if (t->std & V4L2_STD_SECAM_L) {
- priv->cfg.sgIF = 124;
+ } else if (params->std & V4L2_STD_SECAM_L) {
priv->tda8290_easy_mode = 0x20;
mode = "L";
- } else if (t->std & V4L2_STD_SECAM_LC) {
- priv->cfg.sgIF = 20;
+ } else if (params->std & V4L2_STD_SECAM_LC) {
priv->tda8290_easy_mode = 0x40;
mode = "LC";
} else {
- priv->cfg.sgIF = 124;
priv->tda8290_easy_mode = 0x10;
mode = "xx";
}
- if (t->mode == V4L2_TUNER_RADIO)
- priv->cfg.sgIF = 88; /* if frequency is 5.5 MHz */
-
- tuner_dbg("setting tda8290 to system %s\n", mode);
+ tuner_dbg("setting tda829x to system %s\n", mode);
}
-static void tda8290_set_freq(struct tuner *t, unsigned int freq)
+static void tda8290_set_params(struct dvb_frontend *fe,
+ struct analog_parameters *params)
{
- struct tda8290_priv *priv = t->priv;
+ struct tda8290_priv *priv = fe->analog_demod_priv;
+
unsigned char soft_reset[] = { 0x00, 0x00 };
unsigned char easy_mode[] = { 0x01, priv->tda8290_easy_mode };
unsigned char expert_mode[] = { 0x01, 0x80 };
pll_stat;
int i;
- struct analog_parameters params = {
- .frequency = freq,
- .mode = t->mode,
- .audmode = t->audmode,
- .std = t->std
- };
-
- set_audio(t);
+ set_audio(fe, params);
- tuner_dbg("tda827xa config is 0x%02x\n", t->config);
+ if (priv->cfg.config)
+ tuner_dbg("tda827xa config is 0x%02x\n", *priv->cfg.config);
tuner_i2c_xfer_send(&priv->i2c_props, easy_mode, 2);
tuner_i2c_xfer_send(&priv->i2c_props, agc_out_on, 2);
tuner_i2c_xfer_send(&priv->i2c_props, soft_reset, 2);
tuner_i2c_xfer_send(&priv->i2c_props, adc_head_6, 2);
tuner_i2c_xfer_send(&priv->i2c_props, pll_bw_nom, 2);
- tda8290_i2c_bridge(t, 1);
+ tda8290_i2c_bridge(fe, 1);
- if (t->fe.ops.tuner_ops.set_analog_params)
- t->fe.ops.tuner_ops.set_analog_params(&t->fe, ¶ms);
+ if (fe->ops.tuner_ops.set_analog_params)
+ fe->ops.tuner_ops.set_analog_params(fe, params);
for (i = 0; i < 3; i++) {
tuner_i2c_xfer_send(&priv->i2c_props, &addr_pll_stat, 1);
tuner_dbg("adjust gain, step 2. Agc: %d, lock: %d\n",
agc_stat, pll_stat & 0x80);
if (priv->cfg.agcf)
- priv->cfg.agcf(&t->fe);
+ priv->cfg.agcf(fe);
msleep(100);
tuner_i2c_xfer_send(&priv->i2c_props, &addr_agc_stat, 1);
tuner_i2c_xfer_recv(&priv->i2c_props, &agc_stat, 1);
}
}
- tda8290_i2c_bridge(t, 0);
+ tda8290_i2c_bridge(fe, 0);
tuner_i2c_xfer_send(&priv->i2c_props, if_agc_set, 2);
}
/*---------------------------------------------------------------------*/
-static void tda8295_power(struct tuner *t, int enable)
+static void tda8295_power(struct dvb_frontend *fe, int enable)
{
- struct tda8290_priv *priv = t->priv;
+ struct tda8290_priv *priv = fe->analog_demod_priv;
unsigned char buf[] = { 0x30, 0x00 }; /* clb_stdbt */
tuner_i2c_xfer_send(&priv->i2c_props, &buf[0], 1);
tuner_i2c_xfer_send(&priv->i2c_props, buf, 2);
}
-static void tda8295_set_easy_mode(struct tuner *t, int enable)
+static void tda8295_set_easy_mode(struct dvb_frontend *fe, int enable)
{
- struct tda8290_priv *priv = t->priv;
+ struct tda8290_priv *priv = fe->analog_demod_priv;
unsigned char buf[] = { 0x01, 0x00 };
tuner_i2c_xfer_send(&priv->i2c_props, &buf[0], 1);
tuner_i2c_xfer_send(&priv->i2c_props, buf, 2);
}
-static void tda8295_set_video_std(struct tuner *t)
+static void tda8295_set_video_std(struct dvb_frontend *fe)
{
- struct tda8290_priv *priv = t->priv;
+ struct tda8290_priv *priv = fe->analog_demod_priv;
unsigned char buf[] = { 0x00, priv->tda8290_easy_mode };
tuner_i2c_xfer_send(&priv->i2c_props, buf, 2);
- tda8295_set_easy_mode(t, 1);
+ tda8295_set_easy_mode(fe, 1);
msleep(20);
- tda8295_set_easy_mode(t, 0);
+ tda8295_set_easy_mode(fe, 0);
}
/*---------------------------------------------------------------------*/
-static void tda8295_agc1_out(struct tuner *t, int enable)
+static void tda8295_agc1_out(struct dvb_frontend *fe, int enable)
{
- struct tda8290_priv *priv = t->priv;
+ struct tda8290_priv *priv = fe->analog_demod_priv;
unsigned char buf[] = { 0x02, 0x00 }; /* DIV_FUNC */
tuner_i2c_xfer_send(&priv->i2c_props, &buf[0], 1);
tuner_i2c_xfer_send(&priv->i2c_props, buf, 2);
}
-static void tda8295_agc2_out(struct tuner *t, int enable)
+static void tda8295_agc2_out(struct dvb_frontend *fe, int enable)
{
- struct tda8290_priv *priv = t->priv;
+ struct tda8290_priv *priv = fe->analog_demod_priv;
unsigned char set_gpio_cf[] = { 0x44, 0x00 };
unsigned char set_gpio_val[] = { 0x46, 0x00 };
tuner_i2c_xfer_send(&priv->i2c_props, set_gpio_val, 2);
}
-static int tda8295_has_signal(struct tuner *t)
+static int tda8295_has_signal(struct dvb_frontend *fe)
{
- struct tda8290_priv *priv = t->priv;
+ struct tda8290_priv *priv = fe->analog_demod_priv;
unsigned char hvpll_stat = 0x26;
unsigned char ret;
/*---------------------------------------------------------------------*/
-static void tda8295_set_freq(struct tuner *t, unsigned int freq)
+static void tda8295_set_params(struct dvb_frontend *fe,
+ struct analog_parameters *params)
{
- struct tda8290_priv *priv = t->priv;
- u16 ifc;
+ struct tda8290_priv *priv = fe->analog_demod_priv;
unsigned char blanking_mode[] = { 0x1d, 0x00 };
- struct analog_parameters params = {
- .frequency = freq,
- .mode = t->mode,
- .audmode = t->audmode,
- .std = t->std
- };
-
- set_audio(t);
-
- ifc = priv->cfg.sgIF; /* FIXME */
+ set_audio(fe, params);
- tuner_dbg("%s: ifc = %u, freq = %d\n", __FUNCTION__, ifc, freq);
+ tuner_dbg("%s: freq = %d\n", __FUNCTION__, params->frequency);
- tda8295_power(t, 1);
- tda8295_agc1_out(t, 1);
+ tda8295_power(fe, 1);
+ tda8295_agc1_out(fe, 1);
tuner_i2c_xfer_send(&priv->i2c_props, &blanking_mode[0], 1);
tuner_i2c_xfer_recv(&priv->i2c_props, &blanking_mode[1], 1);
- tda8295_set_video_std(t);
+ tda8295_set_video_std(fe);
blanking_mode[1] = 0x03;
tuner_i2c_xfer_send(&priv->i2c_props, blanking_mode, 2);
msleep(20);
- tda8295_i2c_bridge(t, 1);
+ tda8295_i2c_bridge(fe, 1);
- if (t->fe.ops.tuner_ops.set_analog_params)
- t->fe.ops.tuner_ops.set_analog_params(&t->fe, ¶ms);
+ if (fe->ops.tuner_ops.set_analog_params)
+ fe->ops.tuner_ops.set_analog_params(fe, params);
if (priv->cfg.agcf)
- priv->cfg.agcf(&t->fe);
+ priv->cfg.agcf(fe);
- if (tda8295_has_signal(t))
+ if (tda8295_has_signal(fe))
tuner_dbg("tda8295 is locked\n");
else
tuner_dbg("tda8295 not locked, no signal?\n");
- tda8295_i2c_bridge(t, 0);
+ tda8295_i2c_bridge(fe, 0);
}
/*---------------------------------------------------------------------*/
-static int tda8290_has_signal(struct tuner *t)
+static int tda8290_has_signal(struct dvb_frontend *fe)
{
- struct tda8290_priv *priv = t->priv;
+ struct tda8290_priv *priv = fe->analog_demod_priv;
unsigned char i2c_get_afc[1] = { 0x1B };
unsigned char afc = 0;
/*---------------------------------------------------------------------*/
-static void tda8290_standby(struct tuner *t)
+static void tda8290_standby(struct dvb_frontend *fe)
{
- struct tda8290_priv *priv = t->priv;
+ struct tda8290_priv *priv = fe->analog_demod_priv;
+
unsigned char cb1[] = { 0x30, 0xD0 };
unsigned char tda8290_standby[] = { 0x00, 0x02 };
unsigned char tda8290_agc_tri[] = { 0x02, 0x20 };
struct i2c_msg msg = {.addr = priv->tda827x_addr, .flags=0, .buf=cb1, .len = 2};
- tda8290_i2c_bridge(t, 1);
- if (priv->tda827x_ver != 0)
+ tda8290_i2c_bridge(fe, 1);
+ if (priv->ver & TDA8275A)
cb1[1] = 0x90;
i2c_transfer(priv->i2c_props.adap, &msg, 1);
- tda8290_i2c_bridge(t, 0);
+ tda8290_i2c_bridge(fe, 0);
tuner_i2c_xfer_send(&priv->i2c_props, tda8290_agc_tri, 2);
tuner_i2c_xfer_send(&priv->i2c_props, tda8290_standby, 2);
}
-static void tda8295_standby(struct tuner *t)
+static void tda8295_standby(struct dvb_frontend *fe)
{
- tda8295_agc1_out(t, 0); /* Put AGC in tri-state */
+ tda8295_agc1_out(fe, 0); /* Put AGC in tri-state */
- tda8295_power(t, 0);
+ tda8295_power(fe, 0);
}
-static void tda8290_init_if(struct tuner *t)
+static void tda8290_init_if(struct dvb_frontend *fe)
{
- struct tda8290_priv *priv = t->priv;
+ struct tda8290_priv *priv = fe->analog_demod_priv;
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))
+ if ((priv->cfg.config) &&
+ ((*priv->cfg.config == 1) || (*priv->cfg.config == 2)))
tuner_i2c_xfer_send(&priv->i2c_props, set_GP00_CF, 2);
else
tuner_i2c_xfer_send(&priv->i2c_props, set_GP01_CF, 2);
tuner_i2c_xfer_send(&priv->i2c_props, set_VS, 2);
}
-static void tda8295_init_if(struct tuner *t)
+static void tda8295_init_if(struct dvb_frontend *fe)
{
- struct tda8290_priv *priv = t->priv;
+ struct tda8290_priv *priv = fe->analog_demod_priv;
static unsigned char set_adc_ctl[] = { 0x33, 0x14 };
static unsigned char set_adc_ctl2[] = { 0x34, 0x00 };
static unsigned char set_pll_reg10[] = { 0x42, 0x61 };
static unsigned char set_gpio_reg0[] = { 0x44, 0x0b };
- tda8295_power(t, 1);
+ tda8295_power(fe, 1);
- tda8295_set_easy_mode(t, 0);
- tda8295_set_video_std(t);
+ tda8295_set_easy_mode(fe, 0);
+ tda8295_set_video_std(fe);
tuner_i2c_xfer_send(&priv->i2c_props, set_adc_ctl, 2);
tuner_i2c_xfer_send(&priv->i2c_props, set_adc_ctl2, 2);
tuner_i2c_xfer_send(&priv->i2c_props, set_pll_reg10, 2);
tuner_i2c_xfer_send(&priv->i2c_props, set_gpio_reg0, 2);
- tda8295_agc1_out(t, 0);
- tda8295_agc2_out(t, 0);
+ tda8295_agc1_out(fe, 0);
+ tda8295_agc2_out(fe, 0);
}
-static void tda8290_init_tuner(struct tuner *t)
+static void tda8290_init_tuner(struct dvb_frontend *fe)
{
- struct tda8290_priv *priv = t->priv;
+ struct tda8290_priv *priv = fe->analog_demod_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 = priv->tda827x_addr, .flags=0,
.buf=tda8275_init, .len = 14};
- if (priv->tda827x_ver != 0)
+ if (priv->ver & TDA8275A)
msg.buf = tda8275a_init;
- tda8290_i2c_bridge(t, 1);
+ tda8290_i2c_bridge(fe, 1);
i2c_transfer(priv->i2c_props.adap, &msg, 1);
- tda8290_i2c_bridge(t, 0);
+ tda8290_i2c_bridge(fe, 0);
}
/*---------------------------------------------------------------------*/
-static void tda829x_release(struct tuner *t)
+static void tda829x_release(struct dvb_frontend *fe)
{
- if (t->fe.ops.tuner_ops.release)
- t->fe.ops.tuner_ops.release(&t->fe);
+ struct tda8290_priv *priv = fe->analog_demod_priv;
+
+ /* only try to release the tuner if we've
+ * attached it from within this module */
+ if (priv->ver & (TDA18271 | TDA8275 | TDA8275A))
+ if (fe->ops.tuner_ops.release)
+ fe->ops.tuner_ops.release(fe);
- kfree(t->priv);
- t->priv = NULL;
+ kfree(fe->analog_demod_priv);
+ fe->analog_demod_priv = NULL;
}
-static struct tuner_operations tda8290_tuner_ops = {
- .set_tv_freq = tda8290_set_freq,
- .set_radio_freq = tda8290_set_freq,
- .has_signal = tda8290_has_signal,
- .standby = tda8290_standby,
- .release = tda829x_release,
+static struct tda18271_config tda829x_tda18271_config = {
+ .gate = TDA18271_GATE_ANALOG,
};
-static struct tuner_operations tda8295_tuner_ops = {
- .set_tv_freq = tda8295_set_freq,
- .set_radio_freq = tda8295_set_freq,
- .has_signal = tda8295_has_signal,
- .standby = tda8295_standby,
- .release = tda829x_release,
-};
-
-int tda8290_attach(struct tuner *t)
+static int tda829x_find_tuner(struct dvb_frontend *fe)
{
- struct tda8290_priv *priv = NULL;
- u8 data;
+ struct tda8290_priv *priv = fe->analog_demod_priv;
+ struct analog_demod_ops *analog_ops = &fe->ops.analog_ops;
int i, ret, tuners_found;
u32 tuner_addrs;
- struct i2c_msg msg = {.flags=I2C_M_RD, .buf=&data, .len = 1};
+ u8 data;
+ 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;
+ if (NULL == analog_ops->i2c_gate_ctrl)
+ return -EINVAL;
- priv->i2c_props.addr = t->i2c.addr;
- priv->i2c_props.adap = t->i2c.adapter;
- priv->cfg.config = &t->config;
- priv->cfg.tuner_callback = t->tuner_callback;
+ analog_ops->i2c_gate_ctrl(fe, 1);
- tda8290_i2c_bridge(t, 1);
/* probe for tuner chip */
tuners_found = 0;
tuner_addrs = 0;
- for (i=0x60; i<= 0x63; i++) {
+ for (i = 0x60; i <= 0x63; i++) {
msg.addr = i;
ret = i2c_transfer(priv->i2c_props.adap, &msg, 1);
if (ret == 1) {
behind the bridge and we choose the highest address that doesn't
give a response now
*/
- tda8290_i2c_bridge(t, 0);
- if(tuners_found > 1)
+
+ analog_ops->i2c_gate_ctrl(fe, 0);
+
+ if (tuners_found > 1)
for (i = 0; i < tuners_found; i++) {
msg.addr = tuner_addrs & 0xff;
ret = i2c_transfer(priv->i2c_props.adap, &msg, 1);
- if(ret == 1)
+ if (ret == 1)
tuner_addrs = tuner_addrs >> 8;
else
break;
}
+
if (tuner_addrs == 0) {
- tuner_addrs = 0x61;
- tuner_info("could not clearly identify tuner address, defaulting to %x\n",
- tuner_addrs);
+ tuner_addrs = 0x60;
+ tuner_info("could not clearly identify tuner address, "
+ "defaulting to %x\n", tuner_addrs);
} else {
tuner_addrs = tuner_addrs & 0xff;
tuner_info("setting tuner address to %x\n", tuner_addrs);
priv->tda827x_addr = tuner_addrs;
msg.addr = tuner_addrs;
- tda8290_i2c_bridge(t, 1);
-
+ analog_ops->i2c_gate_ctrl(fe, 1);
ret = i2c_transfer(priv->i2c_props.adap, &msg, 1);
- if( ret != 1)
- tuner_warn("TDA827x access failed!\n");
- if ((data & 0x3c) == 0) {
- strlcpy(t->i2c.name, "tda8290+75", sizeof(t->i2c.name));
- priv->tda827x_ver = 0;
- } else {
- strlcpy(t->i2c.name, "tda8290+75a", sizeof(t->i2c.name));
- priv->tda827x_ver = 2;
+ if (ret != 1) {
+ tuner_warn("tuner access failed!\n");
+ return -EREMOTEIO;
}
- tda827x_attach(&t->fe, priv->tda827x_addr,
- priv->i2c_props.adap, &priv->cfg);
- /* FIXME: tda827x module doesn't probe the tuner until
- * tda827x_initial_sleep is called
- */
- if (t->fe.ops.tuner_ops.sleep)
- t->fe.ops.tuner_ops.sleep(&t->fe);
+ if ((data == 0x83) || (data == 0x84)) {
+ priv->ver |= TDA18271;
+ tda18271_attach(fe, priv->tda827x_addr,
+ priv->i2c_props.adap,
+ &tda829x_tda18271_config);
+ } else {
+ if ((data & 0x3c) == 0)
+ priv->ver |= TDA8275;
+ else
+ priv->ver |= TDA8275A;
- memcpy(&t->ops, &tda8290_tuner_ops, sizeof(struct tuner_operations));
+ tda827x_attach(fe, priv->tda827x_addr,
+ priv->i2c_props.adap, &priv->cfg);
+ }
+ if (fe->ops.tuner_ops.init)
+ fe->ops.tuner_ops.init(fe);
- tuner_info("type set to %s\n", t->i2c.name);
+ if (fe->ops.tuner_ops.sleep)
+ fe->ops.tuner_ops.sleep(fe);
- priv->cfg.tda827x_lpsel = 0;
- t->mode = V4L2_TUNER_ANALOG_TV;
+ analog_ops->i2c_gate_ctrl(fe, 0);
- tda8290_init_tuner(t);
- tda8290_init_if(t);
return 0;
}
-EXPORT_SYMBOL_GPL(tda8290_attach);
-int tda8295_attach(struct tuner *t)
+static int tda8290_probe(struct tuner_i2c_props *i2c_props)
+{
+#define TDA8290_ID 0x89
+ unsigned char tda8290_id[] = { 0x1f, 0x00 };
+
+ /* detect tda8290 */
+ tuner_i2c_xfer_send(i2c_props, &tda8290_id[0], 1);
+ tuner_i2c_xfer_recv(i2c_props, &tda8290_id[1], 1);
+
+ if (tda8290_id[1] == TDA8290_ID) {
+ if (debug)
+ printk(KERN_DEBUG "%s: tda8290 detected @ %d-%04x\n",
+ __FUNCTION__, i2c_adapter_id(i2c_props->adap),
+ i2c_props->addr);
+ return 0;
+ }
+
+ return -ENODEV;
+}
+
+static int tda8295_probe(struct tuner_i2c_props *i2c_props)
+{
+#define TDA8295_ID 0x8a
+ unsigned char tda8295_id[] = { 0x2f, 0x00 };
+
+ /* detect tda8295 */
+ tuner_i2c_xfer_send(i2c_props, &tda8295_id[0], 1);
+ tuner_i2c_xfer_recv(i2c_props, &tda8295_id[1], 1);
+
+ if (tda8295_id[1] == TDA8295_ID) {
+ if (debug)
+ printk(KERN_DEBUG "%s: tda8295 detected @ %d-%04x\n",
+ __FUNCTION__, i2c_adapter_id(i2c_props->adap),
+ i2c_props->addr);
+ return 0;
+ }
+
+ return -ENODEV;
+}
+
+static struct analog_demod_ops tda8290_ops = {
+ .set_params = tda8290_set_params,
+ .has_signal = tda8290_has_signal,
+ .standby = tda8290_standby,
+ .release = tda829x_release,
+ .i2c_gate_ctrl = tda8290_i2c_bridge,
+};
+
+static struct analog_demod_ops tda8295_ops = {
+ .set_params = tda8295_set_params,
+ .has_signal = tda8295_has_signal,
+ .standby = tda8295_standby,
+ .release = tda829x_release,
+ .i2c_gate_ctrl = tda8295_i2c_bridge,
+};
+
+struct dvb_frontend *tda829x_attach(struct dvb_frontend *fe,
+ struct i2c_adapter *i2c_adap, u8 i2c_addr,
+ struct tda829x_config *cfg)
{
struct tda8290_priv *priv = NULL;
- u8 data;
- int i, ret, tuners_found;
- u32 tuner_addrs;
- struct i2c_msg msg = { .flags = I2C_M_RD, .buf = &data, .len = 1 };
+ char *name;
priv = kzalloc(sizeof(struct tda8290_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;
-
- tda8295_i2c_bridge(t, 1);
- /* probe for tuner chip */
- tuners_found = 0;
- tuner_addrs = 0;
- for (i = 0x60; i <= 0x63; i++) {
- msg.addr = i;
- ret = i2c_transfer(priv->i2c_props.adap, &msg, 1);
- if (ret == 1) {
- tuners_found++;
- tuner_addrs = (tuner_addrs << 8) + i;
- }
+ return NULL;
+ fe->analog_demod_priv = priv;
+
+ priv->i2c_props.addr = i2c_addr;
+ priv->i2c_props.adap = i2c_adap;
+ if (cfg) {
+ priv->cfg.config = cfg->lna_cfg;
+ priv->cfg.tuner_callback = cfg->tuner_callback;
}
- /* if there is more than one tuner, we expect the right one is
- behind the bridge and we choose the highest address that doesn't
- give a response now
- */
- tda8295_i2c_bridge(t, 0);
- if (tuners_found > 1)
- for (i = 0; i < tuners_found; i++) {
- msg.addr = tuner_addrs & 0xff;
- ret = i2c_transfer(priv->i2c_props.adap, &msg, 1);
- if (ret == 1)
- tuner_addrs = tuner_addrs >> 8;
- else
- break;
- }
- if (tuner_addrs == 0) {
- tuner_addrs = 0x60;
- tuner_info("could not clearly identify tuner address, "
- "defaulting to %x\n", tuner_addrs);
- } else {
- tuner_addrs = tuner_addrs & 0xff;
- tuner_info("setting tuner address to %x\n", tuner_addrs);
+
+ if (tda8290_probe(&priv->i2c_props) == 0) {
+ priv->ver = TDA8290;
+ memcpy(&fe->ops.analog_ops, &tda8290_ops,
+ sizeof(struct analog_demod_ops));
}
- priv->tda827x_addr = tuner_addrs;
- msg.addr = tuner_addrs;
- tda8295_i2c_bridge(t, 1);
- ret = i2c_transfer(priv->i2c_props.adap, &msg, 1);
- tda8295_i2c_bridge(t, 0);
- if (ret != 1)
- tuner_warn("TDA827x access failed!\n");
- if ((data & 0x3c) == 0) {
- strlcpy(t->i2c.name, "tda8295+18271", sizeof(t->i2c.name));
- tda18271_attach(&t->fe, priv->tda827x_addr,
- priv->i2c_props.adap);
- priv->tda827x_ver = 4;
- } else {
- strlcpy(t->i2c.name, "tda8295+75a", sizeof(t->i2c.name));
- tda827x_attach(&t->fe, priv->tda827x_addr,
- priv->i2c_props.adap, &priv->cfg);
+ if (tda8295_probe(&priv->i2c_props) == 0) {
+ priv->ver = TDA8295;
+ memcpy(&fe->ops.analog_ops, &tda8295_ops,
+ sizeof(struct analog_demod_ops));
+ }
- /* FIXME: tda827x module doesn't probe the tuner until
- * tda827x_initial_sleep is called
- */
- if (t->fe.ops.tuner_ops.sleep)
- t->fe.ops.tuner_ops.sleep(&t->fe);
- priv->tda827x_ver = 2;
+ if ((!(cfg) || (TDA829X_PROBE_TUNER == cfg->probe_tuner)) &&
+ (tda829x_find_tuner(fe) < 0))
+ goto fail;
+
+ switch (priv->ver) {
+ case TDA8290:
+ name = "tda8290";
+ break;
+ case TDA8295:
+ name = "tda8295";
+ break;
+ case TDA8290 | TDA8275:
+ name = "tda8290+75";
+ break;
+ case TDA8295 | TDA8275:
+ name = "tda8295+75";
+ break;
+ case TDA8290 | TDA8275A:
+ name = "tda8290+75a";
+ break;
+ case TDA8295 | TDA8275A:
+ name = "tda8295+75a";
+ break;
+ case TDA8290 | TDA18271:
+ name = "tda8290+18271";
+ break;
+ case TDA8295 | TDA18271:
+ name = "tda8295+18271";
+ break;
+ default:
+ goto fail;
}
- priv->tda827x_ver |= 1; /* signifies 8295 vs 8290 */
- tuner_info("type set to %s\n", t->i2c.name);
+ tuner_info("type set to %s\n", name);
- memcpy(&t->ops, &tda8295_tuner_ops, sizeof(struct tuner_operations));
+ fe->ops.analog_ops.info.name = name;
- priv->cfg.tda827x_lpsel = 0;
- t->mode = V4L2_TUNER_ANALOG_TV;
+ if (priv->ver & TDA8290) {
+ tda8290_init_tuner(fe);
+ tda8290_init_if(fe);
+ } else if (priv->ver & TDA8295)
+ tda8295_init_if(fe);
- tda8295_init_if(t);
- return 0;
+ return fe;
+
+fail:
+ tda829x_release(fe);
+ return NULL;
}
-EXPORT_SYMBOL_GPL(tda8295_attach);
+EXPORT_SYMBOL_GPL(tda829x_attach);
-int tda8290_probe(struct tuner *t)
+int tda829x_probe(struct i2c_adapter *i2c_adap, u8 i2c_addr)
{
struct tuner_i2c_props i2c_props = {
- .adap = t->i2c.adapter,
- .addr = t->i2c.addr
+ .adap = i2c_adap,
+ .addr = i2c_addr,
};
unsigned char soft_reset[] = { 0x00, 0x00 };
unsigned char restore_9886[] = { 0x00, 0xd6, 0x30 };
unsigned char addr_dto_lsb = 0x07;
unsigned char data;
+#define PROBE_BUFFER_SIZE 8
+ unsigned char buf[PROBE_BUFFER_SIZE];
+ int i;
+
+ /* rule out tda9887, which would return the same byte repeatedly */
+ tuner_i2c_xfer_send(&i2c_props, soft_reset, 1);
+ tuner_i2c_xfer_recv(&i2c_props, buf, PROBE_BUFFER_SIZE);
+ for (i = 1; i < PROBE_BUFFER_SIZE; i++) {
+ if (buf[i] != buf[0])
+ break;
+ }
+
+ /* all bytes are equal, not a tda829x - probably a tda9887 */
+ if (i == PROBE_BUFFER_SIZE)
+ return -ENODEV;
+
+ if ((tda8290_probe(&i2c_props) == 0) ||
+ (tda8295_probe(&i2c_props) == 0))
+ return 0;
+ /* fall back to old probing method */
tuner_i2c_xfer_send(&i2c_props, easy_mode_b, 2);
tuner_i2c_xfer_send(&i2c_props, soft_reset, 2);
tuner_i2c_xfer_send(&i2c_props, &addr_dto_lsb, 1);
}
}
tuner_i2c_xfer_send(&i2c_props, restore_9886, 3);
- return -1;
+ return -ENODEV;
}
-EXPORT_SYMBOL_GPL(tda8290_probe);
+EXPORT_SYMBOL_GPL(tda829x_probe);
-MODULE_DESCRIPTION("Philips TDA8290 + TDA8275 / TDA8275a tuner driver");
+MODULE_DESCRIPTION("Philips/NXP TDA8290/TDA8295 analog IF demodulator driver");
MODULE_AUTHOR("Gerd Knorr, Hartmut Hackmann, Michael Krufky");
MODULE_LICENSE("GPL");
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff