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path: root/drivers/media/video/tda8290.c
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Diffstat (limited to 'drivers/media/video/tda8290.c')
-rw-r--r--drivers/media/video/tda8290.c901
1 files changed, 451 insertions, 450 deletions
diff --git a/drivers/media/video/tda8290.c b/drivers/media/video/tda8290.c
index 0e5cf45..55bc89a 100644
--- a/drivers/media/video/tda8290.c
+++ b/drivers/media/video/tda8290.c
@@ -25,12 +25,14 @@
#include <linux/videodev.h>
#include "tuner-i2c.h"
#include "tda8290.h"
+#include "tda827x.h"
+#include "tda18271.h"
-static int debug = 0;
+static int debug;
module_param(debug, int, 0644);
MODULE_PARM_DESC(debug, "enable verbose debug messages");
-#define PREFIX "tda8290 "
+#define PREFIX "tda8290"
/* ---------------------------------------------------------------------- */
@@ -38,345 +40,71 @@ struct tda8290_priv {
struct tuner_i2c_props i2c_props;
unsigned char tda8290_easy_mode;
- unsigned char tda827x_lpsel;
- 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);
-};
-
-/* ---------------------------------------------------------------------- */
-
-struct tda827x_data {
- u32 lomax;
- u8 spd;
- u8 bs;
- u8 bp;
- u8 cp;
- u8 gc3;
- u8 div1p5;
-};
-
- /* Note lomax entry is lo / 62500 */
-
-static struct tda827x_data tda827x_analog[] = {
- { .lomax = 992, .spd = 3, .bs = 2, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 1}, /* 62 MHz */
- { .lomax = 1056, .spd = 3, .bs = 3, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 1}, /* 66 MHz */
- { .lomax = 1216, .spd = 3, .bs = 1, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 0}, /* 76 MHz */
- { .lomax = 1344, .spd = 3, .bs = 2, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 0}, /* 84 MHz */
- { .lomax = 1488, .spd = 3, .bs = 2, .bp = 0, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 93 MHz */
- { .lomax = 1568, .spd = 3, .bs = 3, .bp = 0, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 98 MHz */
- { .lomax = 1744, .spd = 3, .bs = 3, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 109 MHz */
- { .lomax = 1968, .spd = 2, .bs = 2, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 1}, /* 123 MHz */
- { .lomax = 2128, .spd = 2, .bs = 3, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 1}, /* 133 MHz */
- { .lomax = 2416, .spd = 2, .bs = 1, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 151 MHz */
- { .lomax = 2464, .spd = 2, .bs = 2, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 154 MHz */
- { .lomax = 2896, .spd = 2, .bs = 2, .bp = 1, .cp = 0, .gc3 = 0, .div1p5 = 0}, /* 181 MHz */
- { .lomax = 2960, .spd = 2, .bs = 2, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 185 MHz */
- { .lomax = 3472, .spd = 2, .bs = 3, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 217 MHz */
- { .lomax = 3904, .spd = 1, .bs = 2, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 1}, /* 244 MHz */
- { .lomax = 4240, .spd = 1, .bs = 3, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 1}, /* 265 MHz */
- { .lomax = 4832, .spd = 1, .bs = 1, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 302 MHz */
- { .lomax = 5184, .spd = 1, .bs = 2, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 324 MHz */
- { .lomax = 5920, .spd = 1, .bs = 2, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 370 MHz */
- { .lomax = 7264, .spd = 1, .bs = 3, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 454 MHz */
- { .lomax = 7888, .spd = 0, .bs = 2, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 1}, /* 493 MHz */
- { .lomax = 8480, .spd = 0, .bs = 3, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 1}, /* 530 MHz */
- { .lomax = 8864, .spd = 0, .bs = 1, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 554 MHz */
- { .lomax = 9664, .spd = 0, .bs = 1, .bp = 4, .cp = 0, .gc3 = 0, .div1p5 = 0}, /* 604 MHz */
- { .lomax = 11088, .spd = 0, .bs = 2, .bp = 4, .cp = 0, .gc3 = 0, .div1p5 = 0}, /* 696 MHz */
- { .lomax = 11840, .spd = 0, .bs = 2, .bp = 4, .cp = 1, .gc3 = 0, .div1p5 = 0}, /* 740 MHz */
- { .lomax = 13120, .spd = 0, .bs = 3, .bp = 4, .cp = 0, .gc3 = 0, .div1p5 = 0}, /* 820 MHz */
- { .lomax = 13840, .spd = 0, .bs = 3, .bp = 4, .cp = 1, .gc3 = 0, .div1p5 = 0}, /* 865 MHz */
- { .lomax = 0, .spd = 0, .bs = 0, .bp = 0, .cp = 0, .gc3 = 0, .div1p5 = 0} /* End */
-};
-
-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 = fe->tuner_priv;
- struct i2c_msg msg = {.addr = priv->tda827x_addr, .flags = 0};
- unsigned int freq = params->frequency;
-
- if (params->mode == V4L2_TUNER_RADIO)
- freq = freq / 1000;
-
- N = freq + priv->sgIF;
- i = 0;
- while (tda827x_analog[i].lomax < N) {
- if(tda827x_analog[i + 1].lomax == 0)
- break;
- i++;
- }
-
- N = N << tda827x_analog[i].spd;
-
- tuner_reg[0] = 0;
- tuner_reg[1] = (unsigned char)(N>>8);
- tuner_reg[2] = (unsigned char) N;
- tuner_reg[3] = 0x40;
- tuner_reg[4] = 0x52 + (priv->tda827x_lpsel << 5);
- tuner_reg[5] = (tda827x_analog[i].spd << 6) + (tda827x_analog[i].div1p5 <<5) +
- (tda827x_analog[i].bs <<3) + tda827x_analog[i].bp;
- tuner_reg[6] = 0x8f + (tda827x_analog[i].gc3 << 4);
- tuner_reg[7] = 0x8f;
-
- msg.buf = tuner_reg;
- msg.len = 8;
- i2c_transfer(priv->i2c_props.adap, &msg, 1);
-
- msg.buf= reg2;
- msg.len = 2;
- reg2[0] = 0x80;
- reg2[1] = 0;
- i2c_transfer(priv->i2c_props.adap, &msg, 1);
-
- reg2[0] = 0x60;
- reg2[1] = 0xbf;
- i2c_transfer(priv->i2c_props.adap, &msg, 1);
-
- reg2[0] = 0x30;
- reg2[1] = tuner_reg[4] + 0x80;
- i2c_transfer(priv->i2c_props.adap, &msg, 1);
-
- msleep(1);
- reg2[0] = 0x30;
- reg2[1] = tuner_reg[4] + 4;
- i2c_transfer(priv->i2c_props.adap, &msg, 1);
-
- msleep(1);
- reg2[0] = 0x30;
- reg2[1] = tuner_reg[4];
- i2c_transfer(priv->i2c_props.adap, &msg, 1);
-
- msleep(550);
- reg2[0] = 0x30;
- reg2[1] = (tuner_reg[4] & 0xfc) + tda827x_analog[i].cp ;
- i2c_transfer(priv->i2c_props.adap, &msg, 1);
-
- reg2[0] = 0x60;
- reg2[1] = 0x3f;
- i2c_transfer(priv->i2c_props.adap, &msg, 1);
-
- reg2[0] = 0x80;
- reg2[1] = 0x08; // Vsync en
- i2c_transfer(priv->i2c_props.adap, &msg, 1);
-}
-static void tda827x_agcf(struct dvb_frontend *fe)
-{
- 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};
- i2c_transfer(priv->i2c_props.adap, &msg, 1);
-}
-
-/* ---------------------------------------------------------------------- */
+ unsigned char tda827x_addr;
-struct tda827xa_data {
- u32 lomax;
- u8 svco;
- u8 spd;
- u8 scr;
- u8 sbs;
- u8 gc3;
-};
+ unsigned char ver;
+#define TDA8290 1
+#define TDA8295 2
+#define TDA8275 4
+#define TDA8275A 8
+#define TDA18271 16
-static struct tda827xa_data tda827xa_analog[] = {
- { .lomax = 910, .svco = 3, .spd = 4, .scr = 0, .sbs = 0, .gc3 = 3}, /* 56.875 MHz */
- { .lomax = 1076, .svco = 0, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 3}, /* 67.25 MHz */
- { .lomax = 1300, .svco = 1, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 3}, /* 81.25 MHz */
- { .lomax = 1560, .svco = 2, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 3}, /* 97.5 MHz */
- { .lomax = 1820, .svco = 3, .spd = 3, .scr = 0, .sbs = 1, .gc3 = 1}, /* 113.75 MHz */
- { .lomax = 2152, .svco = 0, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, /* 134.5 MHz */
- { .lomax = 2464, .svco = 1, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, /* 154 MHz */
- { .lomax = 2600, .svco = 1, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, /* 162.5 MHz */
- { .lomax = 2928, .svco = 2, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, /* 183 MHz */
- { .lomax = 3120, .svco = 2, .spd = 2, .scr = 0, .sbs = 2, .gc3 = 1}, /* 195 MHz */
- { .lomax = 3640, .svco = 3, .spd = 2, .scr = 0, .sbs = 2, .gc3 = 3}, /* 227.5 MHz */
- { .lomax = 4304, .svco = 0, .spd = 1, .scr = 0, .sbs = 2, .gc3 = 3}, /* 269 MHz */
- { .lomax = 5200, .svco = 1, .spd = 1, .scr = 0, .sbs = 2, .gc3 = 1}, /* 325 MHz */
- { .lomax = 6240, .svco = 2, .spd = 1, .scr = 0, .sbs = 3, .gc3 = 3}, /* 390 MHz */
- { .lomax = 7280, .svco = 3, .spd = 1, .scr = 0, .sbs = 3, .gc3 = 3}, /* 455 MHz */
- { .lomax = 8320, .svco = 0, .spd = 0, .scr = 0, .sbs = 3, .gc3 = 1}, /* 520 MHz */
- { .lomax = 8608, .svco = 0, .spd = 0, .scr = 1, .sbs = 3, .gc3 = 1}, /* 538 MHz */
- { .lomax = 8864, .svco = 1, .spd = 0, .scr = 0, .sbs = 3, .gc3 = 1}, /* 554 MHz */
- { .lomax = 9920, .svco = 1, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0}, /* 620 MHz */
- { .lomax = 10400, .svco = 1, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0}, /* 650 MHz */
- { .lomax = 11200, .svco = 2, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0}, /* 700 MHz */
- { .lomax = 12480, .svco = 2, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0}, /* 780 MHz */
- { .lomax = 13120, .svco = 3, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0}, /* 820 MHz */
- { .lomax = 13920, .svco = 3, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0}, /* 870 MHz */
- { .lomax = 14576, .svco = 3, .spd = 0, .scr = 2, .sbs = 4, .gc3 = 0}, /* 911 MHz */
- { .lomax = 0, .svco = 0, .spd = 0, .scr = 0, .sbs = 0, .gc3 = 0} /* End */
+ struct tda827x_config cfg;
};
-static void tda827xa_lna_gain(struct dvb_frontend *fe, int high,
- struct analog_parameters *params)
-{
- 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 ((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 (*priv->lna_cfg) {
- case 0: /* no LNA */
- break;
- case 1: /* switch is GPIO 0 of tda8290 */
- case 2:
- /* turn Vsync on */
- if (params->std & V4L2_STD_MN)
- arg = 1;
- else
- arg = 0;
- if (priv->tuner_callback)
- priv->tuner_callback(priv->i2c_props.adap->algo_data, 1, arg);
- buf[1] = high ? 0 : 1;
- 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 (priv->tuner_callback)
- priv->tuner_callback(priv->i2c_props.adap->algo_data, 0, high);
- break;
- }
-}
+/*---------------------------------------------------------------------*/
-static void tda827xa_set_analog_params(struct dvb_frontend *fe,
- struct analog_parameters *params)
+static int tda8290_i2c_bridge(struct dvb_frontend *fe, int close)
{
- unsigned char tuner_reg[11];
- u32 N;
- int i;
- 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;
+ struct tda8290_priv *priv = fe->analog_demod_priv;
- tda827xa_lna_gain(fe, 1, params);
- msleep(10);
-
- if (params->mode == V4L2_TUNER_RADIO)
- freq = freq / 1000;
+ unsigned char enable[2] = { 0x21, 0xC0 };
+ unsigned char disable[2] = { 0x21, 0x00 };
+ unsigned char *msg;
- N = freq + priv->sgIF;
- i = 0;
- while (tda827xa_analog[i].lomax < N) {
- if(tda827xa_analog[i + 1].lomax == 0)
- break;
- i++;
+ if (close) {
+ msg = enable;
+ tuner_i2c_xfer_send(&priv->i2c_props, msg, 2);
+ /* let the bridge stabilize */
+ msleep(20);
+ } else {
+ msg = disable;
+ tuner_i2c_xfer_send(&priv->i2c_props, msg, 2);
}
- N = N << tda827xa_analog[i].spd;
-
- tuner_reg[0] = 0;
- tuner_reg[1] = (unsigned char)(N>>8);
- tuner_reg[2] = (unsigned char) N;
- tuner_reg[3] = 0;
- tuner_reg[4] = 0x16;
- tuner_reg[5] = (tda827xa_analog[i].spd << 5) + (tda827xa_analog[i].svco << 3) +
- tda827xa_analog[i].sbs;
- tuner_reg[6] = 0x8b + (tda827xa_analog[i].gc3 << 4);
- tuner_reg[7] = 0x1c;
- tuner_reg[8] = 4;
- tuner_reg[9] = 0x20;
- tuner_reg[10] = 0x00;
- msg.len = 11;
- i2c_transfer(priv->i2c_props.adap, &msg, 1);
-
- tuner_reg[0] = 0x90;
- tuner_reg[1] = 0xff;
- tuner_reg[2] = 0xe0;
- tuner_reg[3] = 0;
- tuner_reg[4] = 0x99 + (priv->tda827x_lpsel << 1);
- msg.len = 5;
- i2c_transfer(priv->i2c_props.adap, &msg, 1);
-
- tuner_reg[0] = 0xa0;
- tuner_reg[1] = 0xc0;
- msg.len = 2;
- i2c_transfer(priv->i2c_props.adap, &msg, 1);
-
- tuner_reg[0] = 0x30;
- tuner_reg[1] = 0x10 + tda827xa_analog[i].scr;
- i2c_transfer(priv->i2c_props.adap, &msg, 1);
-
- msg.flags = I2C_M_RD;
- i2c_transfer(priv->i2c_props.adap, &msg, 1);
- msg.flags = 0;
- tuner_reg[1] >>= 4;
- tuner_dbg("AGC2 gain is: %d\n", tuner_reg[1]);
- if (tuner_reg[1] < 1)
- tda827xa_lna_gain(fe, 0, params);
-
- msleep(100);
- tuner_reg[0] = 0x60;
- tuner_reg[1] = 0x3c;
- i2c_transfer(priv->i2c_props.adap, &msg, 1);
-
- msleep(163);
- tuner_reg[0] = 0x50;
- tuner_reg[1] = 0x8f + (tda827xa_analog[i].gc3 << 4);
- i2c_transfer(priv->i2c_props.adap, &msg, 1);
-
- tuner_reg[0] = 0x80;
- tuner_reg[1] = 0x28;
- i2c_transfer(priv->i2c_props.adap, &msg, 1);
-
- tuner_reg[0] = 0xb0;
- tuner_reg[1] = 0x01;
- i2c_transfer(priv->i2c_props.adap, &msg, 1);
-
- tuner_reg[0] = 0xc0;
- tuner_reg[1] = 0x19 + (priv->tda827x_lpsel << 1);
- i2c_transfer(priv->i2c_props.adap, &msg, 1);
-}
-
-static void tda827xa_agcf(struct dvb_frontend *fe)
-{
- 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};
- i2c_transfer(priv->i2c_props.adap, &msg, 1);
+ return 0;
}
-/*---------------------------------------------------------------------*/
-
-static void tda8290_i2c_bridge(struct dvb_frontend *fe, int close)
+static int tda8295_i2c_bridge(struct dvb_frontend *fe, int close)
{
- struct tda8290_priv *priv = fe->tuner_priv;
+ struct tda8290_priv *priv = fe->analog_demod_priv;
- unsigned char enable[2] = { 0x21, 0xC0 };
- unsigned char disable[2] = { 0x21, 0x00 };
+ unsigned char enable[2] = { 0x45, 0xc1 };
+ unsigned char disable[2] = { 0x46, 0x00 };
+ unsigned char buf[3] = { 0x45, 0x01, 0x00 };
unsigned char *msg;
- if(close) {
+
+ if (close) {
msg = enable;
tuner_i2c_xfer_send(&priv->i2c_props, msg, 2);
/* let the bridge stabilize */
msleep(20);
} else {
msg = disable;
+ tuner_i2c_xfer_send(&priv->i2c_props, msg, 1);
+ tuner_i2c_xfer_recv(&priv->i2c_props, &msg[1], 1);
+
+ buf[2] = msg[1];
+ buf[2] &= ~0x04;
+ tuner_i2c_xfer_send(&priv->i2c_props, buf, 3);
+ msleep(5);
+
+ msg[1] |= 0x04;
tuner_i2c_xfer_send(&priv->i2c_props, msg, 2);
}
+
+ return 0;
}
/*---------------------------------------------------------------------*/
@@ -384,55 +112,43 @@ static void tda8290_i2c_bridge(struct dvb_frontend *fe, int close)
static void set_audio(struct dvb_frontend *fe,
struct analog_parameters *params)
{
- struct tda8290_priv *priv = fe->tuner_priv;
+ struct tda8290_priv *priv = fe->analog_demod_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);
+ tuner_dbg("setting tda829x to system %s\n", mode);
}
-static int tda8290_set_params(struct dvb_frontend *fe,
- struct analog_parameters *params)
+static void tda8290_set_params(struct dvb_frontend *fe,
+ struct analog_parameters *params)
{
- struct tda8290_priv *priv = fe->tuner_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 };
@@ -457,8 +173,8 @@ static int tda8290_set_params(struct dvb_frontend *fe,
set_audio(fe, params);
- if (priv->lna_cfg)
- tuner_dbg("tda827xa config is 0x%02x\n", *priv->lna_cfg);
+ 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);
@@ -475,10 +191,10 @@ static int tda8290_set_params(struct dvb_frontend *fe,
tuner_i2c_xfer_send(&priv->i2c_props, pll_bw_nom, 2);
tda8290_i2c_bridge(fe, 1);
- if (priv->tda827x_ver != 0)
- tda827xa_set_analog_params(fe, params);
- else
- tda827x_set_analog_params(fe, params);
+
+ 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_i2c_xfer_recv(&priv->i2c_props, &pll_stat, 1);
@@ -507,10 +223,8 @@ static int tda8290_set_params(struct dvb_frontend *fe,
if ((agc_stat > 115) || !(pll_stat & 0x80)) {
tuner_dbg("adjust gain, step 2. Agc: %d, lock: %d\n",
agc_stat, pll_stat & 0x80);
- if (priv->tda827x_ver != 0)
- tda827xa_agcf(fe);
- else
- tda827x_agcf(fe);
+ if (priv->cfg.agcf)
+ 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);
@@ -541,99 +255,242 @@ static int tda8290_set_params(struct dvb_frontend *fe,
tda8290_i2c_bridge(fe, 0);
tuner_i2c_xfer_send(&priv->i2c_props, if_agc_set, 2);
+}
+
+/*---------------------------------------------------------------------*/
+
+static void tda8295_power(struct dvb_frontend *fe, int enable)
+{
+ struct tda8290_priv *priv = fe->analog_demod_priv;
+ unsigned char buf[] = { 0x30, 0x00 }; /* clb_stdbt */
- priv->frequency = (V4L2_TUNER_RADIO == params->mode) ?
- params->frequency * 125 / 2 : params->frequency * 62500;
+ tuner_i2c_xfer_send(&priv->i2c_props, &buf[0], 1);
+ tuner_i2c_xfer_recv(&priv->i2c_props, &buf[1], 1);
- return 0;
+ if (enable)
+ buf[1] = 0x01;
+ else
+ buf[1] = 0x03;
+
+ tuner_i2c_xfer_send(&priv->i2c_props, buf, 2);
+}
+
+static void tda8295_set_easy_mode(struct dvb_frontend *fe, int enable)
+{
+ 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_recv(&priv->i2c_props, &buf[1], 1);
+
+ if (enable)
+ buf[1] = 0x01; /* rising edge sets regs 0x02 - 0x23 */
+ else
+ buf[1] = 0x00; /* reset active bit */
+
+ tuner_i2c_xfer_send(&priv->i2c_props, buf, 2);
+}
+
+static void tda8295_set_video_std(struct dvb_frontend *fe)
+{
+ 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(fe, 1);
+ msleep(20);
+ tda8295_set_easy_mode(fe, 0);
}
/*---------------------------------------------------------------------*/
-static int tda8290_has_signal(struct dvb_frontend *fe)
+static void tda8295_agc1_out(struct dvb_frontend *fe, int enable)
{
- struct tda8290_priv *priv = fe->tuner_priv;
- int ret;
+ struct tda8290_priv *priv = fe->analog_demod_priv;
+ unsigned char buf[] = { 0x02, 0x00 }; /* DIV_FUNC */
- unsigned char i2c_get_afc[1] = { 0x1B };
- unsigned char afc = 0;
+ tuner_i2c_xfer_send(&priv->i2c_props, &buf[0], 1);
+ tuner_i2c_xfer_recv(&priv->i2c_props, &buf[1], 1);
- /* for now, report based on afc status */
- tuner_i2c_xfer_send(&priv->i2c_props, i2c_get_afc, ARRAY_SIZE(i2c_get_afc));
- tuner_i2c_xfer_recv(&priv->i2c_props, &afc, 1);
+ if (enable)
+ buf[1] &= ~0x40;
+ else
+ buf[1] |= 0x40;
- ret = (afc & 0x80) ? 65535 : 0;
+ tuner_i2c_xfer_send(&priv->i2c_props, buf, 2);
+}
+
+static void tda8295_agc2_out(struct dvb_frontend *fe, int enable)
+{
+ 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_cf[0], 1);
+ tuner_i2c_xfer_recv(&priv->i2c_props, &set_gpio_cf[1], 1);
+ tuner_i2c_xfer_send(&priv->i2c_props, &set_gpio_val[0], 1);
+ tuner_i2c_xfer_recv(&priv->i2c_props, &set_gpio_val[1], 1);
- tuner_dbg("AFC status: %d\n", ret);
+ set_gpio_cf[1] &= 0xf0; /* clear GPIO_0 bits 3-0 */
- return ret;
+ if (enable) {
+ set_gpio_cf[1] |= 0x01; /* config GPIO_0 as Open Drain Out */
+ set_gpio_val[1] &= 0xfe; /* set GPIO_0 pin low */
+ }
+ tuner_i2c_xfer_send(&priv->i2c_props, set_gpio_cf, 2);
+ tuner_i2c_xfer_send(&priv->i2c_props, set_gpio_val, 2);
}
-static int tda8290_get_status(struct dvb_frontend *fe, u32 *status)
+static int tda8295_has_signal(struct dvb_frontend *fe)
{
- *status = 0;
+ struct tda8290_priv *priv = fe->analog_demod_priv;
- if (tda8290_has_signal(fe))
- *status = TUNER_STATUS_LOCKED;
+ unsigned char hvpll_stat = 0x26;
+ unsigned char ret;
- return 0;
+ tuner_i2c_xfer_send(&priv->i2c_props, &hvpll_stat, 1);
+ tuner_i2c_xfer_recv(&priv->i2c_props, &ret, 1);
+ return (ret & 0x01) ? 65535 : 0;
}
-static int tda8290_get_rf_strength(struct dvb_frontend *fe, u16 *strength)
+/*---------------------------------------------------------------------*/
+
+static void tda8295_set_params(struct dvb_frontend *fe,
+ struct analog_parameters *params)
{
- *strength = tda8290_has_signal(fe);
+ struct tda8290_priv *priv = fe->analog_demod_priv;
- return 0;
+ unsigned char blanking_mode[] = { 0x1d, 0x00 };
+
+ set_audio(fe, params);
+
+ tuner_dbg("%s: freq = %d\n", __FUNCTION__, params->frequency);
+
+ 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(fe);
+
+ blanking_mode[1] = 0x03;
+ tuner_i2c_xfer_send(&priv->i2c_props, blanking_mode, 2);
+ msleep(20);
+
+ tda8295_i2c_bridge(fe, 1);
+
+ if (fe->ops.tuner_ops.set_analog_params)
+ fe->ops.tuner_ops.set_analog_params(fe, params);
+
+ if (priv->cfg.agcf)
+ priv->cfg.agcf(fe);
+
+ if (tda8295_has_signal(fe))
+ tuner_dbg("tda8295 is locked\n");
+ else
+ tuner_dbg("tda8295 not locked, no signal?\n");
+
+ tda8295_i2c_bridge(fe, 0);
+}
+
+/*---------------------------------------------------------------------*/
+
+static int tda8290_has_signal(struct dvb_frontend *fe)
+{
+ struct tda8290_priv *priv = fe->analog_demod_priv;
+
+ unsigned char i2c_get_afc[1] = { 0x1B };
+ unsigned char afc = 0;
+
+ 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 int tda8290_standby(struct dvb_frontend *fe)
+static void tda8290_standby(struct dvb_frontend *fe)
{
- struct tda8290_priv *priv = fe->tuner_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(fe, 1);
- if (priv->tda827x_ver != 0)
+ if (priv->ver & TDA8275A)
cb1[1] = 0x90;
i2c_transfer(priv->i2c_props.adap, &msg, 1);
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 tda8295_standby(struct dvb_frontend *fe)
+{
+ tda8295_agc1_out(fe, 0); /* Put AGC in tri-state */
+
+ tda8295_power(fe, 0);
+}
static void tda8290_init_if(struct dvb_frontend *fe)
{
- struct tda8290_priv *priv = fe->tuner_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 ((priv->lna_cfg) &&
- ((*priv->lna_cfg == 1) || (*priv->lna_cfg == 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 dvb_frontend *fe)
+{
+ 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_reg6[] = { 0x3e, 0x63 };
+ static unsigned char set_pll_reg0[] = { 0x38, 0x23 };
+ static unsigned char set_pll_reg7[] = { 0x3f, 0x01 };
+ static unsigned char set_pll_reg10[] = { 0x42, 0x61 };
+ static unsigned char set_gpio_reg0[] = { 0x44, 0x0b };
+
+ tda8295_power(fe, 1);
+
+ 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_reg6, 2);
+ tuner_i2c_xfer_send(&priv->i2c_props, set_pll_reg0, 2);
+ tuner_i2c_xfer_send(&priv->i2c_props, set_pll_reg7, 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(fe, 0);
+ tda8295_agc2_out(fe, 0);
+}
+
static void tda8290_init_tuner(struct dvb_frontend *fe)
{
- struct tda8290_priv *priv = fe->tuner_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(fe, 1);
@@ -643,58 +500,42 @@ static void tda8290_init_tuner(struct dvb_frontend *fe)
/*---------------------------------------------------------------------*/
-static int tda8290_release(struct dvb_frontend *fe)
+static void tda829x_release(struct dvb_frontend *fe)
{
- kfree(fe->tuner_priv);
- fe->tuner_priv = NULL;
+ struct tda8290_priv *priv = fe->analog_demod_priv;
- return 0;
-}
+ /* 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);
-static int tda8290_get_frequency(struct dvb_frontend *fe, u32 *frequency)
-{
- struct tda8290_priv *priv = fe->tuner_priv;
- *frequency = priv->frequency;
- return 0;
+ kfree(fe->analog_demod_priv);
+ fe->analog_demod_priv = NULL;
}
-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,
- .get_rf_strength = tda8290_get_rf_strength,
+static struct tda18271_config tda829x_tda18271_config = {
+ .gate = TDA18271_GATE_ANALOG,
};
-struct dvb_frontend *tda8290_attach(struct dvb_frontend *fe,
- struct i2c_adapter* i2c_adap,
- u8 i2c_addr,
- struct tda8290_config *cfg)
+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 NULL;
- fe->tuner_priv = priv;
+ if (NULL == analog_ops->i2c_gate_ctrl)
+ return -EINVAL;
- 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;
- }
+ analog_ops->i2c_gate_ctrl(fe, 1);
- tda8290_i2c_bridge(fe, 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) {
@@ -706,20 +547,23 @@ struct dvb_frontend *tda8290_attach(struct dvb_frontend *fe,
behind the bridge and we choose the highest address that doesn't
give a response now
*/
- tda8290_i2c_bridge(fe, 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);
@@ -727,42 +571,181 @@ struct dvb_frontend *tda8290_attach(struct dvb_frontend *fe,
priv->tda827x_addr = tuner_addrs;
msg.addr = tuner_addrs;
- tda8290_i2c_bridge(fe, 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");
-
- memcpy(&fe->ops.tuner_ops, &tda8290_tuner_ops,
- sizeof(struct dvb_tuner_ops));
-
- if ((data & 0x3c) == 0) {
- 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;
+
+ if (ret != 1) {
+ tuner_warn("tuner access failed!\n");
+ return -EREMOTEIO;
+ }
+
+ if ((data == 0x83) || (data == 0x84)) {
+ priv->ver |= TDA18271;
+ tda18271_attach(fe, priv->tda827x_addr,
+ priv->i2c_props.adap,
+ &tda829x_tda18271_config);
} else {
- 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;
+ if ((data & 0x3c) == 0)
+ priv->ver |= TDA8275;
+ else
+ priv->ver |= TDA8275A;
+
+ tda827x_attach(fe, priv->tda827x_addr,
+ priv->i2c_props.adap, &priv->cfg);
+ }
+ if (fe->ops.tuner_ops.init)
+ fe->ops.tuner_ops.init(fe);
+
+ if (fe->ops.tuner_ops.sleep)
+ fe->ops.tuner_ops.sleep(fe);
+
+ analog_ops->i2c_gate_ctrl(fe, 0);
+
+ return 0;
+}
+
+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;
}
- priv->tda827x_lpsel = 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;
+ char *name;
+
+ priv = kzalloc(sizeof(struct tda8290_priv), GFP_KERNEL);
+ if (priv == NULL)
+ 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 (tda8290_probe(&priv->i2c_props) == 0) {
+ priv->ver = TDA8290;
+ memcpy(&fe->ops.analog_ops, &tda8290_ops,
+ sizeof(struct analog_demod_ops));
+ }
+
+ if (tda8295_probe(&priv->i2c_props) == 0) {
+ priv->ver = TDA8295;
+ memcpy(&fe->ops.analog_ops, &tda8295_ops,
+ sizeof(struct analog_demod_ops));
+ }
+
+ 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;
+ }
+ tuner_info("type set to %s\n", name);
+
+ fe->ops.analog_ops.info.name = name;
+
+ if (priv->ver & TDA8290) {
+ tda8290_init_tuner(fe);
+ tda8290_init_if(fe);
+ } else if (priv->ver & TDA8295)
+ tda8295_init_if(fe);
- tda8290_init_tuner(fe);
- tda8290_init_if(fe);
return fe;
+
+fail:
+ tda829x_release(fe);
+ return NULL;
}
+EXPORT_SYMBOL_GPL(tda829x_attach);
-int tda8290_probe(struct i2c_adapter* i2c_adap, u8 i2c_addr)
+int tda829x_probe(struct i2c_adapter *i2c_adap, u8 i2c_addr)
{
struct tuner_i2c_props i2c_props = {
.adap = i2c_adap,
- .addr = i2c_addr
+ .addr = i2c_addr,
};
unsigned char soft_reset[] = { 0x00, 0x00 };
@@ -771,7 +754,27 @@ int tda8290_probe(struct i2c_adapter* i2c_adap, u8 i2c_addr)
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);
@@ -786,14 +789,12 @@ int tda8290_probe(struct i2c_adapter* i2c_adap, u8 i2c_addr)
}
}
tuner_i2c_xfer_send(&i2c_props, restore_9886, 3);
- return -1;
+ return -ENODEV;
}
+EXPORT_SYMBOL_GPL(tda829x_probe);
-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_DESCRIPTION("Philips/NXP TDA8290/TDA8295 analog IF demodulator driver");
+MODULE_AUTHOR("Gerd Knorr, Hartmut Hackmann, Michael Krufky");
MODULE_LICENSE("GPL");
/*
generated by cgit v0.10.2 at 2024-11-14 18:58:25 (GMT)