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V4L/DVB (6129): tda8290: convert from tuner sub-driver into dvb_frontend module
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org> Acked-by: Hans Verkuil <hverkuil@xs4all.nl> Acked-by: Mike Isely <isely@pobox.com> Acked-by: Steven Toth <stoth@hauppauge.com> Acked-by: Patrick Boettcher <pb@linuxtv.org> Acked-by: Jarod Wilson <jwilson@redhat.com> Acked-by: Trent Piepho <xyzzy@speakeasy.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Michael Krufky
Mauro Carvalho Chehab
parent
e18f9444bd
commit
910bb3e3c5
4 changed files with 270 additions and 151 deletions
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@ -16,12 +16,21 @@
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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This "tda8290" module was split apart from the original "tuner" module.
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*/
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#include <linux/i2c.h>
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#include <linux/delay.h>
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#include <linux/videodev.h>
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#include "tuner-driver.h"
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#include "tuner-i2c.h"
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#include "tda8290.h"
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static int debug = 0;
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module_param(debug, int, 0644);
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MODULE_PARM_DESC(debug, "enable verbose debug messages");
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#define PREFIX "tda8290 "
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/* ---------------------------------------------------------------------- */
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@ -33,6 +42,11 @@ struct tda8290_priv {
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unsigned char tda827x_addr;
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unsigned char tda827x_ver;
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unsigned int sgIF;
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u32 frequency;
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unsigned int *lna_cfg;
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int (*tuner_callback) (void *dev, int command,int arg);
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};
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/* ---------------------------------------------------------------------- */
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@ -81,19 +95,21 @@ static struct tda827x_data tda827x_analog[] = {
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{ .lomax = 0, .spd = 0, .bs = 0, .bp = 0, .cp = 0, .gc3 = 0, .div1p5 = 0} /* End */
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};
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static void tda827x_tune(struct tuner *t, u16 ifc, unsigned int freq)
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static void tda827x_set_analog_params(struct dvb_frontend *fe,
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struct analog_parameters *params)
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{
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unsigned char tuner_reg[8];
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unsigned char reg2[2];
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u32 N;
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int i;
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struct tda8290_priv *priv = t->priv;
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struct tda8290_priv *priv = fe->tuner_priv;
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struct i2c_msg msg = {.addr = priv->tda827x_addr, .flags = 0};
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unsigned int freq = params->frequency;
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if (t->mode == V4L2_TUNER_RADIO)
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if (params->mode == V4L2_TUNER_RADIO)
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freq = freq / 1000;
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N = freq + ifc;
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N = freq + priv->sgIF;
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i = 0;
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while (tda827x_analog[i].lomax < N) {
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if(tda827x_analog[i + 1].lomax == 0)
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@ -155,9 +171,9 @@ static void tda827x_tune(struct tuner *t, u16 ifc, unsigned int freq)
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i2c_transfer(priv->i2c_props.adap, &msg, 1);
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}
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static void tda827x_agcf(struct tuner *t)
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static void tda827x_agcf(struct dvb_frontend *fe)
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{
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struct tda8290_priv *priv = t->priv;
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struct tda8290_priv *priv = fe->tuner_priv;
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unsigned char data[] = {0x80, 0x0c};
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struct i2c_msg msg = {.addr = priv->tda827x_addr, .buf = data,
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.flags = 0, .len = 2};
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@ -204,57 +220,64 @@ static struct tda827xa_data tda827xa_analog[] = {
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{ .lomax = 0, .svco = 0, .spd = 0, .scr = 0, .sbs = 0, .gc3 = 0} /* End */
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};
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static void tda827xa_lna_gain(struct tuner *t, int high)
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static void tda827xa_lna_gain(struct dvb_frontend *fe, int high,
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struct analog_parameters *params)
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{
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struct tda8290_priv *priv = t->priv;
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struct tda8290_priv *priv = fe->tuner_priv;
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unsigned char buf[] = {0x22, 0x01};
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int arg;
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struct i2c_msg msg = {.addr = priv->i2c_props.addr, .flags = 0, .buf = buf, .len = sizeof(buf)};
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if (t->config) {
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if ((priv->lna_cfg == NULL) || (priv->tuner_callback == NULL))
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return;
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if (*priv->lna_cfg) {
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if (high)
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tuner_dbg("setting LNA to high gain\n");
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else
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tuner_dbg("setting LNA to low gain\n");
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}
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switch (t->config) {
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switch (*priv->lna_cfg) {
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case 0: /* no LNA */
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break;
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case 1: /* switch is GPIO 0 of tda8290 */
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case 2:
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/* turn Vsync on */
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if (t->std & V4L2_STD_MN)
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if (params->std & V4L2_STD_MN)
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arg = 1;
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else
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arg = 0;
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if (t->tuner_callback)
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t->tuner_callback(priv->i2c_props.adap->algo_data, 1, arg);
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if (priv->tuner_callback)
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priv->tuner_callback(priv->i2c_props.adap->algo_data, 1, arg);
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buf[1] = high ? 0 : 1;
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if (t->config == 2)
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if (*priv->lna_cfg == 2)
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buf[1] = high ? 1 : 0;
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i2c_transfer(priv->i2c_props.adap, &msg, 1);
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break;
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case 3: /* switch with GPIO of saa713x */
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if (t->tuner_callback)
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t->tuner_callback(priv->i2c_props.adap->algo_data, 0, high);
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if (priv->tuner_callback)
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priv->tuner_callback(priv->i2c_props.adap->algo_data, 0, high);
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break;
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}
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}
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static void tda827xa_tune(struct tuner *t, u16 ifc, unsigned int freq)
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static void tda827xa_set_analog_params(struct dvb_frontend *fe,
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struct analog_parameters *params)
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{
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unsigned char tuner_reg[11];
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u32 N;
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int i;
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struct tda8290_priv *priv = t->priv;
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struct tda8290_priv *priv = fe->tuner_priv;
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struct i2c_msg msg = {.addr = priv->tda827x_addr, .flags = 0, .buf = tuner_reg};
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unsigned int freq = params->frequency;
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tda827xa_lna_gain(t, 1);
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tda827xa_lna_gain(fe, 1, params);
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msleep(10);
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if (t->mode == V4L2_TUNER_RADIO)
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if (params->mode == V4L2_TUNER_RADIO)
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freq = freq / 1000;
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N = freq + ifc;
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N = freq + priv->sgIF;
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i = 0;
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while (tda827xa_analog[i].lomax < N) {
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if(tda827xa_analog[i + 1].lomax == 0)
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@ -302,7 +325,7 @@ static void tda827xa_tune(struct tuner *t, u16 ifc, unsigned int freq)
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tuner_reg[1] >>= 4;
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tuner_dbg("AGC2 gain is: %d\n", tuner_reg[1]);
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if (tuner_reg[1] < 1)
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tda827xa_lna_gain(t, 0);
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tda827xa_lna_gain(fe, 0, params);
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msleep(100);
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tuner_reg[0] = 0x60;
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@ -327,9 +350,9 @@ static void tda827xa_tune(struct tuner *t, u16 ifc, unsigned int freq)
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i2c_transfer(priv->i2c_props.adap, &msg, 1);
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}
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static void tda827xa_agcf(struct tuner *t)
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static void tda827xa_agcf(struct dvb_frontend *fe)
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{
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struct tda8290_priv *priv = t->priv;
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struct tda8290_priv *priv = fe->tuner_priv;
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unsigned char data[] = {0x80, 0x2c};
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struct i2c_msg msg = {.addr = priv->tda827x_addr, .buf = data,
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.flags = 0, .len = 2};
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@ -338,9 +361,9 @@ static void tda827xa_agcf(struct tuner *t)
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/*---------------------------------------------------------------------*/
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static void tda8290_i2c_bridge(struct tuner *t, int close)
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static void tda8290_i2c_bridge(struct dvb_frontend *fe, int close)
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{
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struct tda8290_priv *priv = t->priv;
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struct tda8290_priv *priv = fe->tuner_priv;
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unsigned char enable[2] = { 0x21, 0xC0 };
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unsigned char disable[2] = { 0x21, 0x00 };
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@ -358,9 +381,58 @@ static void tda8290_i2c_bridge(struct tuner *t, int close)
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/*---------------------------------------------------------------------*/
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static int tda8290_tune(struct tuner *t, u16 ifc, unsigned int freq)
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static void set_audio(struct dvb_frontend *fe,
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struct analog_parameters *params)
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{
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struct tda8290_priv *priv = t->priv;
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struct tda8290_priv *priv = fe->tuner_priv;
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char* mode;
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priv->tda827x_lpsel = 0;
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if (params->std & V4L2_STD_MN) {
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priv->sgIF = 92;
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priv->tda8290_easy_mode = 0x01;
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priv->tda827x_lpsel = 1;
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mode = "MN";
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} else if (params->std & V4L2_STD_B) {
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priv->sgIF = 108;
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priv->tda8290_easy_mode = 0x02;
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mode = "B";
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} else if (params->std & V4L2_STD_GH) {
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priv->sgIF = 124;
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priv->tda8290_easy_mode = 0x04;
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mode = "GH";
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} else if (params->std & V4L2_STD_PAL_I) {
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priv->sgIF = 124;
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priv->tda8290_easy_mode = 0x08;
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mode = "I";
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} else if (params->std & V4L2_STD_DK) {
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priv->sgIF = 124;
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priv->tda8290_easy_mode = 0x10;
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mode = "DK";
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} else if (params->std & V4L2_STD_SECAM_L) {
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priv->sgIF = 124;
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priv->tda8290_easy_mode = 0x20;
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mode = "L";
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} else if (params->std & V4L2_STD_SECAM_LC) {
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priv->sgIF = 20;
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priv->tda8290_easy_mode = 0x40;
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mode = "LC";
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} else {
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priv->sgIF = 124;
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priv->tda8290_easy_mode = 0x10;
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mode = "xx";
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}
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if (params->mode == V4L2_TUNER_RADIO)
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priv->sgIF = 88; /* if frequency is 5.5 MHz */
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tuner_dbg("setting tda8290 to system %s\n", mode);
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}
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static int tda8290_set_params(struct dvb_frontend *fe,
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struct analog_parameters *params)
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{
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struct tda8290_priv *priv = fe->tuner_priv;
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unsigned char soft_reset[] = { 0x00, 0x00 };
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unsigned char easy_mode[] = { 0x01, priv->tda8290_easy_mode };
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unsigned char expert_mode[] = { 0x01, 0x80 };
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@ -383,7 +455,10 @@ static int tda8290_tune(struct tuner *t, u16 ifc, unsigned int freq)
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pll_stat;
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int i;
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tuner_dbg("tda827xa config is 0x%02x\n", t->config);
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set_audio(fe, params);
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if (priv->lna_cfg)
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tuner_dbg("tda827xa config is 0x%02x\n", *priv->lna_cfg);
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tuner_i2c_xfer_send(&priv->i2c_props, easy_mode, 2);
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tuner_i2c_xfer_send(&priv->i2c_props, agc_out_on, 2);
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tuner_i2c_xfer_send(&priv->i2c_props, soft_reset, 2);
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@ -399,11 +474,11 @@ static int tda8290_tune(struct tuner *t, u16 ifc, unsigned int freq)
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tuner_i2c_xfer_send(&priv->i2c_props, adc_head_6, 2);
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tuner_i2c_xfer_send(&priv->i2c_props, pll_bw_nom, 2);
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tda8290_i2c_bridge(t, 1);
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tda8290_i2c_bridge(fe, 1);
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if (priv->tda827x_ver != 0)
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tda827xa_tune(t, ifc, freq);
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tda827xa_set_analog_params(fe, params);
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else
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tda827x_tune(t, ifc, freq);
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tda827x_set_analog_params(fe, params);
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for (i = 0; i < 3; i++) {
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tuner_i2c_xfer_send(&priv->i2c_props, &addr_pll_stat, 1);
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tuner_i2c_xfer_recv(&priv->i2c_props, &pll_stat, 1);
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@ -433,9 +508,9 @@ static int tda8290_tune(struct tuner *t, u16 ifc, unsigned int freq)
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tuner_dbg("adjust gain, step 2. Agc: %d, lock: %d\n",
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agc_stat, pll_stat & 0x80);
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if (priv->tda827x_ver != 0)
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tda827xa_agcf(t);
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tda827xa_agcf(fe);
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else
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tda827x_agcf(t);
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tda827x_agcf(fe);
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msleep(100);
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tuner_i2c_xfer_send(&priv->i2c_props, &addr_agc_stat, 1);
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tuner_i2c_xfer_recv(&priv->i2c_props, &agc_stat, 1);
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@ -464,73 +539,20 @@ static int tda8290_tune(struct tuner *t, u16 ifc, unsigned int freq)
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}
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}
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tda8290_i2c_bridge(t, 0);
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tda8290_i2c_bridge(fe, 0);
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tuner_i2c_xfer_send(&priv->i2c_props, if_agc_set, 2);
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priv->frequency = (V4L2_TUNER_RADIO == params->mode) ?
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params->frequency * 125 / 2 : params->frequency * 62500;
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return 0;
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}
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/*---------------------------------------------------------------------*/
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static void set_audio(struct tuner *t)
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static int tda8290_has_signal(struct dvb_frontend *fe)
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{
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struct tda8290_priv *priv = t->priv;
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char* mode;
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priv->tda827x_lpsel = 0;
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if (t->std & V4L2_STD_MN) {
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priv->sgIF = 92;
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priv->tda8290_easy_mode = 0x01;
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priv->tda827x_lpsel = 1;
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mode = "MN";
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} else if (t->std & V4L2_STD_B) {
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priv->sgIF = 108;
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priv->tda8290_easy_mode = 0x02;
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mode = "B";
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} else if (t->std & V4L2_STD_GH) {
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priv->sgIF = 124;
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priv->tda8290_easy_mode = 0x04;
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mode = "GH";
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} else if (t->std & V4L2_STD_PAL_I) {
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priv->sgIF = 124;
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priv->tda8290_easy_mode = 0x08;
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mode = "I";
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} else if (t->std & V4L2_STD_DK) {
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priv->sgIF = 124;
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priv->tda8290_easy_mode = 0x10;
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mode = "DK";
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} else if (t->std & V4L2_STD_SECAM_L) {
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priv->sgIF = 124;
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priv->tda8290_easy_mode = 0x20;
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mode = "L";
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} else if (t->std & V4L2_STD_SECAM_LC) {
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priv->sgIF = 20;
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priv->tda8290_easy_mode = 0x40;
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mode = "LC";
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} else {
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priv->sgIF = 124;
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priv->tda8290_easy_mode = 0x10;
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mode = "xx";
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}
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tuner_dbg("setting tda8290 to system %s\n", mode);
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}
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static void set_tv_freq(struct tuner *t, unsigned int freq)
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{
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struct tda8290_priv *priv = t->priv;
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set_audio(t);
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tda8290_tune(t, priv->sgIF, freq);
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}
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static void set_radio_freq(struct tuner *t, unsigned int freq)
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{
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/* if frequency is 5.5 MHz */
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tda8290_tune(t, 88, freq);
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}
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static int has_signal(struct tuner *t)
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{
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struct tda8290_priv *priv = t->priv;
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struct tda8290_priv *priv = fe->tuner_priv;
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unsigned char i2c_get_afc[1] = { 0x1B };
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unsigned char afc = 0;
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@ -540,44 +562,63 @@ static int has_signal(struct tuner *t)
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return (afc & 0x80)? 65535:0;
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}
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static int tda8290_get_status(struct dvb_frontend *fe, u32 *status)
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{
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struct tda8290_priv *priv = fe->tuner_priv;
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int signal = tda8290_has_signal(fe);
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*status = 0;
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/* for now, report based on afc status */
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if (signal)
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*status = TUNER_STATUS_LOCKED;
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tuner_dbg("tda8290: AFC status: %d\n", signal);
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return 0;
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}
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||||
/*---------------------------------------------------------------------*/
|
||||
|
||||
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,
|
||||
.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;
|
||||
|
|
@ -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;
|
||||
|
|
@ -652,41 +709,52 @@ int tda8290_init(struct tuner *t)
|
|||
}
|
||||
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 };
|
||||
|
|
@ -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
drivers/media/video/tda8290.h
Normal file
35
drivers/media/video/tda8290.h
Normal file
|
|
@ -0,0 +1,35 @@
|
|||
/*
|
||||
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__ */
|
||||
|
|
@ -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 */
|
||||
|
|
|
|||
|
|
@ -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);
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue