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 "
/* ---------------------------------------------------------------------- */
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);
};
/* ---------------------------------------------------------------------- */
{ .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)
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};
{ .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)
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;
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};
/*---------------------------------------------------------------------*/
-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 };
/*---------------------------------------------------------------------*/
-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 };
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);
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);
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);
}
}
- 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,
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,
- .release = tda8290_release,
+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;
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;
+ return NULL;
+ fe->tuner_priv = priv;
+
+ 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;
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;
}
if (tuner_addrs == 0) {
tuner_addrs = 0x61;
- tuner_info ("could not clearly identify tuner address, defaulting to %x\n",
+ 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);
+ tuner_info("setting tuner address to %x\n", tuner_addrs);
}
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");
+ 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 };
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.
* ---------------------------------------------------------------------------
projects / linux-2.6 / commitdiff