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Commit 910bb3e3 authored by Michael Krufky's avatar Michael Krufky Committed by Mauro Carvalho Chehab
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V4L/DVB (6129): tda8290: convert from tuner sub-driver into dvb_frontend module

parent e18f9444
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+221 −146
Original line number Diff line number Diff line
@@ -16,12 +16,21 @@
   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.

   This "tda8290" module was split apart from the original "tuner" module.
*/

#include <linux/i2c.h>
#include <linux/delay.h>
#include <linux/videodev.h>
#include "tuner-driver.h"
#include "tuner-i2c.h"
#include "tda8290.h"

static int debug = 0;
module_param(debug, int, 0644);
MODULE_PARM_DESC(debug, "enable verbose debug messages");

#define PREFIX "tda8290 "

/* ---------------------------------------------------------------------- */

@@ -33,6 +42,11 @@ struct tda8290_priv {
	unsigned char tda827x_addr;
	unsigned char tda827x_ver;
	unsigned int sgIF;

	u32 frequency;

	unsigned int *lna_cfg;
	int (*tuner_callback) (void *dev, int command,int arg);
};

/* ---------------------------------------------------------------------- */
@@ -81,19 +95,21 @@ static struct tda827x_data tda827x_analog[] = {
	{ .lomax =     0, .spd = 0, .bs = 0, .bp = 0, .cp = 0, .gc3 = 0, .div1p5 = 0}  /* End      */
};

static void tda827x_tune(struct tuner *t, u16 ifc, unsigned int freq)
static void tda827x_set_analog_params(struct dvb_frontend *fe,
				      struct analog_parameters *params)
{
	unsigned char tuner_reg[8];
	unsigned char reg2[2];
	u32 N;
	int i;
	struct tda8290_priv *priv = t->priv;
	struct tda8290_priv *priv = fe->tuner_priv;
	struct i2c_msg msg = {.addr = priv->tda827x_addr, .flags = 0};
	unsigned int freq = params->frequency;

	if (t->mode == V4L2_TUNER_RADIO)
	if (params->mode == V4L2_TUNER_RADIO)
		freq = freq / 1000;

	N = freq + ifc;
	N = freq + priv->sgIF;
	i = 0;
	while (tda827x_analog[i].lomax < N) {
		if(tda827x_analog[i + 1].lomax == 0)
@@ -155,9 +171,9 @@ static void tda827x_tune(struct tuner *t, u16 ifc, unsigned int freq)
	i2c_transfer(priv->i2c_props.adap, &msg, 1);
}

static void tda827x_agcf(struct tuner *t)
static void tda827x_agcf(struct dvb_frontend *fe)
{
	struct tda8290_priv *priv = t->priv;
	struct tda8290_priv *priv = fe->tuner_priv;
	unsigned char data[] = {0x80, 0x0c};
	struct i2c_msg msg = {.addr = priv->tda827x_addr, .buf = data,
			      .flags = 0, .len = 2};
@@ -204,57 +220,64 @@ static struct tda827xa_data tda827xa_analog[] = {
	{ .lomax =     0, .svco = 0, .spd = 0, .scr = 0, .sbs = 0, .gc3 = 0}   /* End */
};

static void tda827xa_lna_gain(struct tuner *t, int high)
static void tda827xa_lna_gain(struct dvb_frontend *fe, int high,
			      struct analog_parameters *params)
{
	struct tda8290_priv *priv = t->priv;
	struct tda8290_priv *priv = fe->tuner_priv;
	unsigned char buf[] = {0x22, 0x01};
	int arg;
	struct i2c_msg msg = {.addr = priv->i2c_props.addr, .flags = 0, .buf = buf, .len = sizeof(buf)};
	if (t->config) {

	if ((priv->lna_cfg == NULL)  || (priv->tuner_callback == NULL))
	    return;

	if (*priv->lna_cfg) {
		if (high)
			tuner_dbg("setting LNA to high gain\n");
		else
			tuner_dbg("setting LNA to low gain\n");
	}
	switch (t->config) {
	switch (*priv->lna_cfg) {
	case 0: /* no LNA */
		break;
	case 1: /* switch is GPIO 0 of tda8290 */
	case 2:
		/* turn Vsync on */
		if (t->std & V4L2_STD_MN)
		if (params->std & V4L2_STD_MN)
			arg = 1;
		else
			arg = 0;
		if (t->tuner_callback)
			t->tuner_callback(priv->i2c_props.adap->algo_data, 1, arg);
		if (priv->tuner_callback)
			priv->tuner_callback(priv->i2c_props.adap->algo_data, 1, arg);
		buf[1] = high ? 0 : 1;
		if (t->config == 2)
		if (*priv->lna_cfg == 2)
			buf[1] = high ? 1 : 0;
		i2c_transfer(priv->i2c_props.adap, &msg, 1);
		break;
	case 3: /* switch with GPIO of saa713x */
		if (t->tuner_callback)
			t->tuner_callback(priv->i2c_props.adap->algo_data, 0, high);
		if (priv->tuner_callback)
			priv->tuner_callback(priv->i2c_props.adap->algo_data, 0, high);
		break;
	}
}

static void tda827xa_tune(struct tuner *t, u16 ifc, unsigned int freq)
static void tda827xa_set_analog_params(struct dvb_frontend *fe,
				       struct analog_parameters *params)
{
	unsigned char tuner_reg[11];
	u32 N;
	int i;
	struct tda8290_priv *priv = t->priv;
	struct tda8290_priv *priv = fe->tuner_priv;
	struct i2c_msg msg = {.addr = priv->tda827x_addr, .flags = 0, .buf = tuner_reg};
	unsigned int freq = params->frequency;

	tda827xa_lna_gain(t, 1);
	tda827xa_lna_gain(fe, 1, params);
	msleep(10);

	if (t->mode == V4L2_TUNER_RADIO)
	if (params->mode == V4L2_TUNER_RADIO)
		freq = freq / 1000;

	N = freq + ifc;
	N = freq + priv->sgIF;
	i = 0;
	while (tda827xa_analog[i].lomax < N) {
		if(tda827xa_analog[i + 1].lomax == 0)
@@ -302,7 +325,7 @@ static void tda827xa_tune(struct tuner *t, u16 ifc, unsigned int freq)
	tuner_reg[1] >>= 4;
	tuner_dbg("AGC2 gain is: %d\n", tuner_reg[1]);
	if (tuner_reg[1] < 1)
		tda827xa_lna_gain(t, 0);
		tda827xa_lna_gain(fe, 0, params);

	msleep(100);
	tuner_reg[0] = 0x60;
@@ -327,9 +350,9 @@ static void tda827xa_tune(struct tuner *t, u16 ifc, unsigned int freq)
	i2c_transfer(priv->i2c_props.adap, &msg, 1);
}

static void tda827xa_agcf(struct tuner *t)
static void tda827xa_agcf(struct dvb_frontend *fe)
{
	struct tda8290_priv *priv = t->priv;
	struct tda8290_priv *priv = fe->tuner_priv;
	unsigned char data[] = {0x80, 0x2c};
	struct i2c_msg msg = {.addr = priv->tda827x_addr, .buf = data,
			      .flags = 0, .len = 2};
@@ -338,9 +361,9 @@ static void tda827xa_agcf(struct tuner *t)

/*---------------------------------------------------------------------*/

static void tda8290_i2c_bridge(struct tuner *t, int close)
static void tda8290_i2c_bridge(struct dvb_frontend *fe, int close)
{
	struct tda8290_priv *priv = t->priv;
	struct tda8290_priv *priv = fe->tuner_priv;

	unsigned char  enable[2] = { 0x21, 0xC0 };
	unsigned char disable[2] = { 0x21, 0x00 };
@@ -358,9 +381,58 @@ static void tda8290_i2c_bridge(struct tuner *t, int close)

/*---------------------------------------------------------------------*/

static int tda8290_tune(struct tuner *t, u16 ifc, unsigned int freq)
static void set_audio(struct dvb_frontend *fe,
		      struct analog_parameters *params)
{
	struct tda8290_priv *priv = t->priv;
	struct tda8290_priv *priv = fe->tuner_priv;
	char* mode;

	priv->tda827x_lpsel = 0;
	if (params->std & V4L2_STD_MN) {
		priv->sgIF = 92;
		priv->tda8290_easy_mode = 0x01;
		priv->tda827x_lpsel = 1;
		mode = "MN";
	} else if (params->std & V4L2_STD_B) {
		priv->sgIF = 108;
		priv->tda8290_easy_mode = 0x02;
		mode = "B";
	} else if (params->std & V4L2_STD_GH) {
		priv->sgIF = 124;
		priv->tda8290_easy_mode = 0x04;
		mode = "GH";
	} else if (params->std & V4L2_STD_PAL_I) {
		priv->sgIF = 124;
		priv->tda8290_easy_mode = 0x08;
		mode = "I";
	} else if (params->std & V4L2_STD_DK) {
		priv->sgIF = 124;
		priv->tda8290_easy_mode = 0x10;
		mode = "DK";
	} else if (params->std & V4L2_STD_SECAM_L) {
		priv->sgIF = 124;
		priv->tda8290_easy_mode = 0x20;
		mode = "L";
	} else if (params->std & V4L2_STD_SECAM_LC) {
		priv->sgIF = 20;
		priv->tda8290_easy_mode = 0x40;
		mode = "LC";
	} else {
		priv->sgIF = 124;
		priv->tda8290_easy_mode = 0x10;
		mode = "xx";
	}

	if (params->mode == V4L2_TUNER_RADIO)
		priv->sgIF = 88; /* if frequency is 5.5 MHz */

	tuner_dbg("setting tda8290 to system %s\n", mode);
}

static int tda8290_set_params(struct dvb_frontend *fe,
			      struct analog_parameters *params)
{
	struct tda8290_priv *priv = fe->tuner_priv;
	unsigned char soft_reset[]  = { 0x00, 0x00 };
	unsigned char easy_mode[]   = { 0x01, priv->tda8290_easy_mode };
	unsigned char expert_mode[] = { 0x01, 0x80 };
@@ -383,7 +455,10 @@ static int tda8290_tune(struct tuner *t, u16 ifc, unsigned int freq)
		      pll_stat;
	int i;

	tuner_dbg("tda827xa config is 0x%02x\n", t->config);
	set_audio(fe, params);

	if (priv->lna_cfg)
		tuner_dbg("tda827xa config is 0x%02x\n", *priv->lna_cfg);
	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);
@@ -399,11 +474,11 @@ static int tda8290_tune(struct tuner *t, u16 ifc, unsigned int freq)
		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 (priv->tda827x_ver != 0)
		tda827xa_tune(t, ifc, freq);
		tda827xa_set_analog_params(fe, params);
	else
		tda827x_tune(t, ifc, freq);
		tda827x_set_analog_params(fe, params);
	for (i = 0; i < 3; i++) {
		tuner_i2c_xfer_send(&priv->i2c_props, &addr_pll_stat, 1);
		tuner_i2c_xfer_recv(&priv->i2c_props, &pll_stat, 1);
@@ -433,9 +508,9 @@ static int tda8290_tune(struct tuner *t, u16 ifc, unsigned int freq)
			tuner_dbg("adjust gain, step 2. Agc: %d, lock: %d\n",
				   agc_stat, pll_stat & 0x80);
			if (priv->tda827x_ver != 0)
				tda827xa_agcf(t);
				tda827xa_agcf(fe);
			else
				tda827x_agcf(t);
				tda827x_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);
@@ -464,120 +539,86 @@ static int tda8290_tune(struct tuner *t, u16 ifc, unsigned int freq)
		}
	}

	tda8290_i2c_bridge(t, 0);
	tda8290_i2c_bridge(fe, 0);
	tuner_i2c_xfer_send(&priv->i2c_props, if_agc_set, 2);

	priv->frequency = (V4L2_TUNER_RADIO == params->mode) ?
		params->frequency * 125 / 2 : params->frequency * 62500;

	return 0;
}

/*---------------------------------------------------------------------*/

static void set_audio(struct tuner *t)
static int tda8290_has_signal(struct dvb_frontend *fe)
{
	struct tda8290_priv *priv = t->priv;
	char* mode;
	struct tda8290_priv *priv = fe->tuner_priv;

	priv->tda827x_lpsel = 0;
	if (t->std & V4L2_STD_MN) {
		priv->sgIF = 92;
		priv->tda8290_easy_mode = 0x01;
		priv->tda827x_lpsel = 1;
		mode = "MN";
	} else if (t->std & V4L2_STD_B) {
		priv->sgIF = 108;
		priv->tda8290_easy_mode = 0x02;
		mode = "B";
	} else if (t->std & V4L2_STD_GH) {
		priv->sgIF = 124;
		priv->tda8290_easy_mode = 0x04;
		mode = "GH";
	} else if (t->std & V4L2_STD_PAL_I) {
		priv->sgIF = 124;
		priv->tda8290_easy_mode = 0x08;
		mode = "I";
	} else if (t->std & V4L2_STD_DK) {
		priv->sgIF = 124;
		priv->tda8290_easy_mode = 0x10;
		mode = "DK";
	} else if (t->std & V4L2_STD_SECAM_L) {
		priv->sgIF = 124;
		priv->tda8290_easy_mode = 0x20;
		mode = "L";
	} else if (t->std & V4L2_STD_SECAM_LC) {
		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);
}

static void set_tv_freq(struct tuner *t, unsigned int freq)
{
	struct tda8290_priv *priv = t->priv;
	unsigned char i2c_get_afc[1] = { 0x1B };
	unsigned char afc = 0;

	set_audio(t);
	tda8290_tune(t, priv->sgIF, freq);
	tuner_i2c_xfer_send(&priv->i2c_props, i2c_get_afc, ARRAY_SIZE(i2c_get_afc));
	tuner_i2c_xfer_recv(&priv->i2c_props, &afc, 1);
	return (afc & 0x80)? 65535:0;
}

static void set_radio_freq(struct tuner *t, unsigned int freq)
static int tda8290_get_status(struct dvb_frontend *fe, u32 *status)
{
	/* if frequency is 5.5 MHz */
	tda8290_tune(t, 88, freq);
}
	struct tda8290_priv *priv = fe->tuner_priv;

static int has_signal(struct tuner *t)
{
	struct tda8290_priv *priv = t->priv;
	int signal = tda8290_has_signal(fe);
	*status = 0;

	unsigned char i2c_get_afc[1] = { 0x1B };
	unsigned char afc = 0;
	/* for now, report based on afc status */
	if (signal)
		*status = TUNER_STATUS_LOCKED;

	tuner_i2c_xfer_send(&priv->i2c_props, i2c_get_afc, ARRAY_SIZE(i2c_get_afc));
	tuner_i2c_xfer_recv(&priv->i2c_props, &afc, 1);
	return (afc & 0x80)? 65535:0;
	tuner_dbg("tda8290: AFC status: %d\n", signal);

	return 0;
}

/*---------------------------------------------------------------------*/

static void standby(struct tuner *t)
static int tda8290_standby(struct dvb_frontend *fe)
{
	struct tda8290_priv *priv = t->priv;
	struct tda8290_priv *priv = fe->tuner_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);
	tda8290_i2c_bridge(fe, 1);
	if (priv->tda827x_ver != 0)
		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);

	return 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->tuner_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->lna_cfg) &&
	    ((*priv->lna_cfg == 1) || (*priv->lna_cfg == 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 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->tuner_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,
@@ -587,28 +628,40 @@ static void tda8290_init_tuner(struct tuner *t)
	if (priv->tda827x_ver != 0)
		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 tda8290_release(struct tuner *t)
static int tda8290_release(struct dvb_frontend *fe)
{
	kfree(t->priv);
	t->priv = NULL;
	kfree(fe->tuner_priv);
	fe->tuner_priv = NULL;

	return 0;
}

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,
static int tda8290_get_frequency(struct dvb_frontend *fe, u32 *frequency)
{
	struct tda8290_priv *priv = fe->tuner_priv;
	*frequency = priv->frequency;
	return 0;
}

static struct dvb_tuner_ops tda8290_tuner_ops = {
	.sleep             = tda8290_standby,
	.set_analog_params = tda8290_set_params,
	.release           = tda8290_release,
	.get_frequency     = tda8290_get_frequency,
	.get_status        = tda8290_get_status,
};

int tda8290_init(struct tuner *t)
struct dvb_frontend *tda8290_attach(struct dvb_frontend *fe,
				    struct i2c_adapter* i2c_adap,
				    u8 i2c_addr,
				    struct tda8290_config *cfg)
{
	struct tda8290_priv *priv = NULL;
	u8 data;
@@ -618,13 +671,17 @@ int tda8290_init(struct tuner *t)

	priv = kzalloc(sizeof(struct tda8290_priv), GFP_KERNEL);
	if (priv == NULL)
		return -ENOMEM;
	t->priv = priv;
		return NULL;
	fe->tuner_priv = priv;

	priv->i2c_props.addr = t->i2c.addr;
	priv->i2c_props.adap = t->i2c.adapter;
	priv->i2c_props.addr = i2c_addr;
	priv->i2c_props.adap = i2c_adap;
	if (cfg) {
		priv->lna_cfg        = cfg->lna_cfg;
		priv->tuner_callback = cfg->tuner_callback;
	}

	tda8290_i2c_bridge(t, 1);
	tda8290_i2c_bridge(fe, 1);
	/* probe for tuner chip */
	tuners_found = 0;
	tuner_addrs = 0;
@@ -640,7 +697,7 @@ int tda8290_init(struct tuner *t)
	   behind the bridge and we choose the highest address that doesn't
	   give a response now
	 */
	tda8290_i2c_bridge(t, 0);
	tda8290_i2c_bridge(fe, 0);
	if(tuners_found > 1)
		for (i = 0; i < tuners_found; i++) {
			msg.addr = tuner_addrs  & 0xff;
@@ -661,32 +718,43 @@ int tda8290_init(struct tuner *t)
	priv->tda827x_addr = tuner_addrs;
	msg.addr = tuner_addrs;

	tda8290_i2c_bridge(t, 1);
	tda8290_i2c_bridge(fe, 1);
	ret = i2c_transfer(priv->i2c_props.adap, &msg, 1);
	if( ret != 1)
		tuner_warn("TDA827x access failed!\n");

	memcpy(&fe->ops.tuner_ops, &tda8290_tuner_ops,
	       sizeof(struct dvb_tuner_ops));

	if ((data & 0x3c) == 0) {
		strlcpy(t->i2c.name, "tda8290+75", sizeof(t->i2c.name));
		strlcpy(fe->ops.tuner_ops.info.name, "tda8290+75",
			sizeof(fe->ops.tuner_ops.info.name));
		fe->ops.tuner_ops.info.frequency_min  =  55000000;
		fe->ops.tuner_ops.info.frequency_max  = 860000000;
		fe->ops.tuner_ops.info.frequency_step =    250000;
		priv->tda827x_ver = 0;
	} else {
		strlcpy(t->i2c.name, "tda8290+75a", sizeof(t->i2c.name));
		strlcpy(fe->ops.tuner_ops.info.name, "tda8290+75a",
			sizeof(fe->ops.tuner_ops.info.name));
		fe->ops.tuner_ops.info.frequency_min  =  44000000;
		fe->ops.tuner_ops.info.frequency_max  = 906000000;
		fe->ops.tuner_ops.info.frequency_step =     62500;
		priv->tda827x_ver = 2;
	}
	tuner_info("type set to %s\n", t->i2c.name);

	memcpy(&t->ops, &tda8290_tuner_ops, sizeof(struct tuner_operations));

	priv->tda827x_lpsel = 0;
	t->mode = V4L2_TUNER_ANALOG_TV;

	tda8290_init_tuner(t);
	tda8290_init_if(t);
	return 0;
	tda8290_init_tuner(fe);
	tda8290_init_if(fe);
	return fe;
}

int tda8290_probe(struct tuner *t)
int tda8290_probe(struct i2c_adapter* i2c_adap, u8 i2c_addr)
{
	struct i2c_client *c = &t->i2c;
	struct tuner_i2c_props i2c_props = {
		.adap = i2c_adap,
		.addr = i2c_addr
	};

	unsigned char soft_reset[]   = { 0x00, 0x00 };
	unsigned char easy_mode_b[]  = { 0x01, 0x02 };
@@ -695,23 +763,30 @@ int tda8290_probe(struct tuner *t)
	unsigned char addr_dto_lsb = 0x07;
	unsigned char data;

	i2c_master_send(c, easy_mode_b, 2);
	i2c_master_send(c, soft_reset, 2);
	i2c_master_send(c, &addr_dto_lsb, 1);
	i2c_master_recv(c, &data, 1);
	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_recv(&i2c_props, &data, 1);
	if (data == 0) {
		i2c_master_send(c, easy_mode_g, 2);
		i2c_master_send(c, soft_reset, 2);
		i2c_master_send(c, &addr_dto_lsb, 1);
		i2c_master_recv(c, &data, 1);
		tuner_i2c_xfer_send(&i2c_props, easy_mode_g, 2);
		tuner_i2c_xfer_send(&i2c_props, soft_reset, 2);
		tuner_i2c_xfer_send(&i2c_props, &addr_dto_lsb, 1);
		tuner_i2c_xfer_recv(&i2c_props, &data, 1);
		if (data == 0x7b) {
			return 0;
		}
	}
	i2c_master_send(c, restore_9886, 3);
	tuner_i2c_xfer_send(&i2c_props, restore_9886, 3);
	return -1;
}

EXPORT_SYMBOL_GPL(tda8290_probe);
EXPORT_SYMBOL_GPL(tda8290_attach);

MODULE_DESCRIPTION("Philips TDA8290 + TDA8275 / TDA8275a tuner driver");
MODULE_AUTHOR("Gerd Knorr, Hartmut Hackmann");
MODULE_LICENSE("GPL");

/*
 * Overrides for Emacs so that we follow Linus's tabbing style.
 * ---------------------------------------------------------------------------
+35 −0
Original line number Diff line number Diff line
/*
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    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.
*/

#ifndef __TDA8290_H__
#define __TDA8290_H__

#include <linux/i2c.h>
#include "dvb_frontend.h"

struct tda8290_config
{
	unsigned int *lna_cfg;
	int (*tuner_callback) (void *dev, int command,int arg);
};

extern int tda8290_probe(struct i2c_adapter* i2c_adap, u8 i2c_addr);
extern struct dvb_frontend *tda8290_attach(struct dvb_frontend *fe,
					   struct i2c_adapter* i2c_adap,
					   u8 i2c_addr,
					   struct tda8290_config *cfg);

#endif /* __TDA8290_H__ */
+14 −2
Original line number Diff line number Diff line
@@ -19,6 +19,7 @@
#include <media/tuner.h>
#include <media/v4l2-common.h>
#include "tuner-driver.h"
#include "tda8290.h"

#define UNSET (-1U)

@@ -200,6 +201,15 @@ static void tuner_i2c_address_check(struct tuner *t)
	tuner_warn("====================== WARNING! ======================\n");
}

static void attach_tda8290(struct tuner *t)
{
	struct tda8290_config cfg = {
		.lna_cfg        = &t->config,
		.tuner_callback = t->tuner_callback
	};
	tda8290_attach(&t->fe, t->i2c.adapter, t->i2c.addr, &cfg);
}

static void set_type(struct i2c_client *c, unsigned int type,
		     unsigned int new_mode_mask, unsigned int new_config,
		     int (*tuner_callback) (void *dev, int command,int arg))
@@ -245,8 +255,10 @@ static void set_type(struct i2c_client *c, unsigned int type,
		microtune_init(t);
		break;
	case TUNER_PHILIPS_TDA8290:
		tda8290_init(t);
	{
		attach_tda8290(t);
		break;
	}
	case TUNER_TEA5767:
		if (tea5767_tuner_init(t) == EINVAL) {
			t->type = TUNER_ABSENT;
@@ -575,7 +587,7 @@ static int tuner_attach(struct i2c_adapter *adap, int addr, int kind)
		case 0x4b:
			/* If chip is not tda8290, don't register.
			   since it can be tda9887*/
			if (tda8290_probe(t) == 0) {
			if (tda8290_probe(t->i2c.adapter, t->i2c.addr) == 0) {
				tuner_dbg("chip at addr %x is a tda8290\n", addr);
			} else {
				/* Default is being tda9887 */
+0 −3
Original line number Diff line number Diff line
@@ -78,9 +78,6 @@ extern int tda9887_tuner_init(struct tuner *t);

extern int microtune_init(struct tuner *t);

extern int tda8290_init(struct tuner *t);
extern int tda8290_probe(struct tuner *t);

extern int tea5761_tuner_init(struct tuner *t);
extern int tea5761_autodetection(struct tuner *t);