/*
- *
- * i2c tv tuner chip device driver
- * controls the philips tda8290+75 tuner chip combo.
- */
+
+ i2c tv tuner chip device driver
+ controls the philips tda8290+75 tuner chip combo.
+
+ 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.
+
+ This "tda8290" module was split apart from the original "tuner" module.
+*/
+
#include <linux/i2c.h>
-#include <linux/videodev.h>
#include <linux/delay.h>
-#include <media/tuner.h>
+#include <linux/videodev.h>
+#include "tuner-i2c.h"
+#include "tda8290.h"
+#include "tda827x.h"
+#include "tda18271.h"
-#define I2C_ADDR_TDA8290 0x4b
-#define I2C_ADDR_TDA8275 0x61
+static int debug;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "enable verbose debug messages");
+
+#define PREFIX "tda8290"
/* ---------------------------------------------------------------------- */
-struct freq_entry {
- u16 freq;
- u8 value;
-};
+struct tda8290_priv {
+ struct tuner_i2c_props i2c_props;
-static struct freq_entry band_table[] = {
- { 0x2DF4, 0x1C },
- { 0x2574, 0x14 },
- { 0x22B4, 0x0C },
- { 0x20D4, 0x0B },
- { 0x1E74, 0x3B },
- { 0x1C34, 0x33 },
- { 0x16F4, 0x5B },
- { 0x1454, 0x53 },
- { 0x12D4, 0x52 },
- { 0x1034, 0x4A },
- { 0x0EE4, 0x7A },
- { 0x0D34, 0x72 },
- { 0x0B54, 0x9A },
- { 0x0914, 0x91 },
- { 0x07F4, 0x89 },
- { 0x0774, 0xB9 },
- { 0x067B, 0xB1 },
- { 0x0634, 0xD9 },
- { 0x05A4, 0xD8 }, // FM radio
- { 0x0494, 0xD0 },
- { 0x03BC, 0xC8 },
- { 0x0394, 0xF8 }, // 57250000 Hz
- { 0x0000, 0xF0 }, // 0
-};
+ unsigned char tda8290_easy_mode;
-static struct freq_entry div_table[] = {
- { 0x1C34, 3 },
- { 0x0D34, 2 },
- { 0x067B, 1 },
- { 0x0000, 0 },
-};
+ unsigned char tda827x_addr;
+
+ unsigned char ver;
+#define TDA8290 1
+#define TDA8295 2
+#define TDA8275 4
+#define TDA8275A 8
+#define TDA18271 16
-static struct freq_entry agc_table[] = {
- { 0x22B4, 0x8F },
- { 0x0B54, 0x9F },
- { 0x09A4, 0x8F },
- { 0x0554, 0x9F },
- { 0x0000, 0xBF },
+ struct tda827x_config cfg;
};
-static __u8 get_freq_entry( struct freq_entry* table, __u16 freq)
+/*---------------------------------------------------------------------*/
+
+static int tda8290_i2c_bridge(struct dvb_frontend *fe, int close)
{
- while(table->freq && table->freq > freq)
- table++;
- return table->value;
+ struct tda8290_priv *priv = fe->analog_demod_priv;
+
+ unsigned char enable[2] = { 0x21, 0xC0 };
+ unsigned char disable[2] = { 0x21, 0x00 };
+ unsigned char *msg;
+
+ if (close) {
+ 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);
+ }
+
+ return 0;
}
-/* ---------------------------------------------------------------------- */
+static int tda8295_i2c_bridge(struct dvb_frontend *fe, int close)
+{
+ struct tda8290_priv *priv = fe->analog_demod_priv;
+
+ unsigned char enable[2] = { 0x45, 0xc1 };
+ unsigned char disable[2] = { 0x46, 0x00 };
+ unsigned char buf[3] = { 0x45, 0x01, 0x00 };
+ unsigned char *msg;
+
+ if (close) {
+ msg = enable;
+ tuner_i2c_xfer_send(&priv->i2c_props, msg, 2);
+ /* 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);
+ }
-static unsigned char i2c_enable_bridge[2] = { 0x21, 0xC0 };
-static unsigned char i2c_disable_bridge[2] = { 0x21, 0x80 };
-static unsigned char i2c_init_tda8275[14] = { 0x00, 0x00, 0x00, 0x00,
- 0xfC, 0x04, 0xA3, 0x3F,
- 0x2A, 0x04, 0xFF, 0x00,
- 0x00, 0x40 };
-static unsigned char i2c_set_VS[2] = { 0x30, 0x6F };
-static unsigned char i2c_set_GP01_CF[2] = { 0x20, 0x0B };
-static unsigned char i2c_tda8290_reset[2] = { 0x00, 0x00 };
-static unsigned char i2c_tda8290_standby[2] = { 0x00, 0x02 };
-static unsigned char i2c_gainset_off[2] = { 0x28, 0x14 };
-static unsigned char i2c_gainset_on[2] = { 0x28, 0x54 };
-static unsigned char i2c_agc3_00[2] = { 0x80, 0x00 };
-static unsigned char i2c_agc2_BF[2] = { 0x60, 0xBF };
-static unsigned char i2c_cb1_D0[2] = { 0x30, 0xD0 };
-static unsigned char i2c_cb1_D2[2] = { 0x30, 0xD2 };
-static unsigned char i2c_cb1_56[2] = { 0x30, 0x56 };
-static unsigned char i2c_cb1_52[2] = { 0x30, 0x52 };
-static unsigned char i2c_cb1_50[2] = { 0x30, 0x50 };
-static unsigned char i2c_agc2_7F[2] = { 0x60, 0x7F };
-static unsigned char i2c_agc3_08[2] = { 0x80, 0x08 };
-
-/* FIXME: European PAL/SECAM should select 9MHz Lowpass Filter, while
- NTSC/M and PAL/M should be using 7MHz filter, by selecting CB3 */
-static unsigned char i2c_cb3_9MHz[2] = { 0xc0, 0x39 };
-static unsigned char i2c_cb3_7MHz[2] = { 0xc0, 0x3B };
-
-static struct i2c_msg i2c_msg_init[] = {
- { I2C_ADDR_TDA8275, 0, ARRAY_SIZE(i2c_init_tda8275), i2c_init_tda8275 },
- { I2C_ADDR_TDA8290, 0, ARRAY_SIZE(i2c_disable_bridge), i2c_disable_bridge },
- { I2C_ADDR_TDA8290, 0, ARRAY_SIZE(i2c_set_VS), i2c_set_VS },
- { I2C_ADDR_TDA8290, 0, ARRAY_SIZE(i2c_set_GP01_CF), i2c_set_GP01_CF },
-};
+ return 0;
+}
-static struct i2c_msg i2c_msg_prolog[] = {
-// { I2C_ADDR_TDA8290, 0, ARRAY_SIZE(i2c_easy_mode), i2c_easy_mode },
- { I2C_ADDR_TDA8290, 0, ARRAY_SIZE(i2c_gainset_off), i2c_gainset_off },
- { I2C_ADDR_TDA8290, 0, ARRAY_SIZE(i2c_tda8290_reset), i2c_tda8290_reset },
- { I2C_ADDR_TDA8290, 0, ARRAY_SIZE(i2c_enable_bridge), i2c_enable_bridge },
-};
+/*---------------------------------------------------------------------*/
-static struct i2c_msg i2c_msg_config[] = {
-// { I2C_ADDR_TDA8275, 0, ARRAY_SIZE(i2c_set_freq), i2c_set_freq },
- { I2C_ADDR_TDA8275, 0, ARRAY_SIZE(i2c_agc3_00), i2c_agc3_00 },
- { I2C_ADDR_TDA8275, 0, ARRAY_SIZE(i2c_agc2_BF), i2c_agc2_BF },
- { I2C_ADDR_TDA8275, 0, ARRAY_SIZE(i2c_cb1_D2), i2c_cb1_D2 },
- { I2C_ADDR_TDA8275, 0, ARRAY_SIZE(i2c_cb1_56), i2c_cb1_56 },
- { I2C_ADDR_TDA8275, 0, ARRAY_SIZE(i2c_cb1_52), i2c_cb1_52 },
-};
+static void set_audio(struct dvb_frontend *fe,
+ struct analog_parameters *params)
+{
+ struct tda8290_priv *priv = fe->analog_demod_priv;
+ char* mode;
+
+ if (params->std & V4L2_STD_MN) {
+ priv->tda8290_easy_mode = 0x01;
+ mode = "MN";
+ } else if (params->std & V4L2_STD_B) {
+ priv->tda8290_easy_mode = 0x02;
+ mode = "B";
+ } else if (params->std & V4L2_STD_GH) {
+ priv->tda8290_easy_mode = 0x04;
+ mode = "GH";
+ } else if (params->std & V4L2_STD_PAL_I) {
+ priv->tda8290_easy_mode = 0x08;
+ mode = "I";
+ } else if (params->std & V4L2_STD_DK) {
+ priv->tda8290_easy_mode = 0x10;
+ mode = "DK";
+ } else if (params->std & V4L2_STD_SECAM_L) {
+ priv->tda8290_easy_mode = 0x20;
+ mode = "L";
+ } else if (params->std & V4L2_STD_SECAM_LC) {
+ priv->tda8290_easy_mode = 0x40;
+ mode = "LC";
+ } else {
+ priv->tda8290_easy_mode = 0x10;
+ mode = "xx";
+ }
-static struct i2c_msg i2c_msg_epilog[] = {
- { I2C_ADDR_TDA8275, 0, ARRAY_SIZE(i2c_cb1_50), i2c_cb1_50 },
- { I2C_ADDR_TDA8275, 0, ARRAY_SIZE(i2c_agc2_7F), i2c_agc2_7F },
- { I2C_ADDR_TDA8275, 0, ARRAY_SIZE(i2c_agc3_08), i2c_agc3_08 },
- { I2C_ADDR_TDA8290, 0, ARRAY_SIZE(i2c_disable_bridge), i2c_disable_bridge },
- { I2C_ADDR_TDA8290, 0, ARRAY_SIZE(i2c_gainset_on), i2c_gainset_on },
-};
+ tuner_dbg("setting tda829x to system %s\n", mode);
+}
-static struct i2c_msg i2c_msg_standby[] = {
- { I2C_ADDR_TDA8290, 0, ARRAY_SIZE(i2c_enable_bridge), i2c_enable_bridge },
- { I2C_ADDR_TDA8275, 0, ARRAY_SIZE(i2c_cb1_D0), i2c_cb1_D0 },
- { I2C_ADDR_TDA8290, 0, ARRAY_SIZE(i2c_disable_bridge), i2c_disable_bridge },
- { I2C_ADDR_TDA8290, 0, ARRAY_SIZE(i2c_tda8290_standby), i2c_tda8290_standby },
-};
+static void tda8290_set_params(struct dvb_frontend *fe,
+ struct analog_parameters *params)
+{
+ 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 };
+ unsigned char agc_out_on[] = { 0x02, 0x00 };
+ unsigned char gainset_off[] = { 0x28, 0x14 };
+ unsigned char if_agc_spd[] = { 0x0f, 0x88 };
+ unsigned char adc_head_6[] = { 0x05, 0x04 };
+ unsigned char adc_head_9[] = { 0x05, 0x02 };
+ unsigned char adc_head_12[] = { 0x05, 0x01 };
+ unsigned char pll_bw_nom[] = { 0x0d, 0x47 };
+ unsigned char pll_bw_low[] = { 0x0d, 0x27 };
+ unsigned char gainset_2[] = { 0x28, 0x64 };
+ unsigned char agc_rst_on[] = { 0x0e, 0x0b };
+ unsigned char agc_rst_off[] = { 0x0e, 0x09 };
+ unsigned char if_agc_set[] = { 0x0f, 0x81 };
+ unsigned char addr_adc_sat = 0x1a;
+ unsigned char addr_agc_stat = 0x1d;
+ unsigned char addr_pll_stat = 0x1b;
+ unsigned char adc_sat, agc_stat,
+ pll_stat;
+ int i;
+
+ set_audio(fe, params);
+
+ 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);
+ msleep(1);
+
+ expert_mode[1] = priv->tda8290_easy_mode + 0x80;
+ tuner_i2c_xfer_send(&priv->i2c_props, expert_mode, 2);
+ tuner_i2c_xfer_send(&priv->i2c_props, gainset_off, 2);
+ tuner_i2c_xfer_send(&priv->i2c_props, if_agc_spd, 2);
+ if (priv->tda8290_easy_mode & 0x60)
+ tuner_i2c_xfer_send(&priv->i2c_props, adc_head_9, 2);
+ else
+ 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(fe, 1);
+
+ 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);
+ if (pll_stat & 0x80) {
+ tuner_i2c_xfer_send(&priv->i2c_props, &addr_adc_sat, 1);
+ tuner_i2c_xfer_recv(&priv->i2c_props, &adc_sat, 1);
+ tuner_i2c_xfer_send(&priv->i2c_props, &addr_agc_stat, 1);
+ tuner_i2c_xfer_recv(&priv->i2c_props, &agc_stat, 1);
+ tuner_dbg("tda8290 is locked, AGC: %d\n", agc_stat);
+ break;
+ } else {
+ tuner_dbg("tda8290 not locked, no signal?\n");
+ msleep(100);
+ }
+ }
+ /* adjust headroom resp. gain */
+ if ((agc_stat > 115) || (!(pll_stat & 0x80) && (adc_sat < 20))) {
+ tuner_dbg("adjust gain, step 1. Agc: %d, ADC stat: %d, lock: %d\n",
+ agc_stat, adc_sat, pll_stat & 0x80);
+ tuner_i2c_xfer_send(&priv->i2c_props, gainset_2, 2);
+ msleep(100);
+ tuner_i2c_xfer_send(&priv->i2c_props, &addr_agc_stat, 1);
+ tuner_i2c_xfer_recv(&priv->i2c_props, &agc_stat, 1);
+ tuner_i2c_xfer_send(&priv->i2c_props, &addr_pll_stat, 1);
+ tuner_i2c_xfer_recv(&priv->i2c_props, &pll_stat, 1);
+ 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->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);
+ tuner_i2c_xfer_send(&priv->i2c_props, &addr_pll_stat, 1);
+ tuner_i2c_xfer_recv(&priv->i2c_props, &pll_stat, 1);
+ if((agc_stat > 115) || !(pll_stat & 0x80)) {
+ tuner_dbg("adjust gain, step 3. Agc: %d\n", agc_stat);
+ tuner_i2c_xfer_send(&priv->i2c_props, adc_head_12, 2);
+ tuner_i2c_xfer_send(&priv->i2c_props, pll_bw_low, 2);
+ msleep(100);
+ }
+ }
+ }
-static int tda8290_tune(struct i2c_client *c)
+ /* l/ l' deadlock? */
+ if(priv->tda8290_easy_mode & 0x60) {
+ tuner_i2c_xfer_send(&priv->i2c_props, &addr_adc_sat, 1);
+ tuner_i2c_xfer_recv(&priv->i2c_props, &adc_sat, 1);
+ tuner_i2c_xfer_send(&priv->i2c_props, &addr_pll_stat, 1);
+ tuner_i2c_xfer_recv(&priv->i2c_props, &pll_stat, 1);
+ if ((adc_sat > 20) || !(pll_stat & 0x80)) {
+ tuner_dbg("trying to resolve SECAM L deadlock\n");
+ tuner_i2c_xfer_send(&priv->i2c_props, agc_rst_on, 2);
+ msleep(40);
+ tuner_i2c_xfer_send(&priv->i2c_props, agc_rst_off, 2);
+ }
+ }
+
+ 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 tuner *t = i2c_get_clientdata(c);
- struct i2c_msg easy_mode =
- { I2C_ADDR_TDA8290, 0, 2, t->i2c_easy_mode };
- struct i2c_msg set_freq =
- { I2C_ADDR_TDA8275, 0, 8, t->i2c_set_freq };
+ struct tda8290_priv *priv = fe->analog_demod_priv;
+ unsigned char buf[] = { 0x30, 0x00 }; /* clb_stdbt */
- i2c_transfer(c->adapter, &easy_mode, 1);
- i2c_transfer(c->adapter, i2c_msg_prolog, ARRAY_SIZE(i2c_msg_prolog));
+ tuner_i2c_xfer_send(&priv->i2c_props, &buf[0], 1);
+ tuner_i2c_xfer_recv(&priv->i2c_props, &buf[1], 1);
- i2c_transfer(c->adapter, &set_freq, 1);
- i2c_transfer(c->adapter, i2c_msg_config, ARRAY_SIZE(i2c_msg_config));
+ if (enable)
+ buf[1] = 0x01;
+ else
+ buf[1] = 0x03;
- msleep(550);
- i2c_transfer(c->adapter, i2c_msg_epilog, ARRAY_SIZE(i2c_msg_epilog));
- return 0;
+ tuner_i2c_xfer_send(&priv->i2c_props, buf, 2);
}
-static void set_frequency(struct tuner *t, u16 ifc, unsigned int freq)
+static void tda8295_set_easy_mode(struct dvb_frontend *fe, int enable)
{
- u32 N;
-
- if (t->mode == V4L2_TUNER_RADIO)
- freq = freq / 1000;
-
- N = (((freq<<3)+ifc)&0x3fffc);
-
- N = N >> get_freq_entry(div_table, freq);
- t->i2c_set_freq[0] = 0;
- t->i2c_set_freq[1] = (unsigned char)(N>>8);
- t->i2c_set_freq[2] = (unsigned char) N;
- t->i2c_set_freq[3] = 0x40;
- t->i2c_set_freq[4] = 0x52;
- t->i2c_set_freq[5] = get_freq_entry(band_table, freq);
- t->i2c_set_freq[6] = get_freq_entry(agc_table, freq);
- t->i2c_set_freq[7] = 0x8f;
+ 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);
}
-#define V4L2_STD_MN (V4L2_STD_PAL_M|V4L2_STD_PAL_N|V4L2_STD_PAL_Nc|V4L2_STD_NTSC)
-#define V4L2_STD_B (V4L2_STD_PAL_B|V4L2_STD_PAL_B1|V4L2_STD_SECAM_B)
-#define V4L2_STD_GH (V4L2_STD_PAL_G|V4L2_STD_PAL_H|V4L2_STD_SECAM_G|V4L2_STD_SECAM_H)
-#define V4L2_STD_DK (V4L2_STD_PAL_DK|V4L2_STD_SECAM_DK)
+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 void tda8295_agc1_out(struct dvb_frontend *fe, int enable)
+{
+ struct tda8290_priv *priv = fe->analog_demod_priv;
+ unsigned char buf[] = { 0x02, 0x00 }; /* DIV_FUNC */
+
+ tuner_i2c_xfer_send(&priv->i2c_props, &buf[0], 1);
+ tuner_i2c_xfer_recv(&priv->i2c_props, &buf[1], 1);
+
+ if (enable)
+ buf[1] &= ~0x40;
+ else
+ buf[1] |= 0x40;
-static void set_audio(struct tuner *t)
+ tuner_i2c_xfer_send(&priv->i2c_props, buf, 2);
+}
+
+static void tda8295_agc2_out(struct dvb_frontend *fe, int enable)
{
- t->i2c_easy_mode[0] = 0x01;
-
- if (t->std & V4L2_STD_MN) {
- t->sgIF = 736;
- t->i2c_easy_mode[1] = 0x01;
- } else if (t->std & V4L2_STD_B) {
- t->sgIF = 864;
- t->i2c_easy_mode[1] = 0x02;
- } else if (t->std & V4L2_STD_GH) {
- t->sgIF = 992;
- t->i2c_easy_mode[1] = 0x04;
- } else if (t->std & V4L2_STD_PAL_I) {
- t->sgIF = 992;
- t->i2c_easy_mode[1] = 0x08;
- } else if (t->std & V4L2_STD_DK) {
- t->sgIF = 992;
- t->i2c_easy_mode[1] = 0x10;
- } else if (t->std & V4L2_STD_SECAM_L) {
- t->sgIF = 992;
- t->i2c_easy_mode[1] = 0x20;
+ 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);
+
+ set_gpio_cf[1] &= 0xf0; /* clear GPIO_0 bits 3-0 */
+
+ 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 void set_tv_freq(struct i2c_client *c, unsigned int freq)
+static int tda8295_has_signal(struct dvb_frontend *fe)
{
- struct tuner *t = i2c_get_clientdata(c);
+ struct tda8290_priv *priv = fe->analog_demod_priv;
- set_audio(t);
- set_frequency(t, t->sgIF, freq);
- tda8290_tune(c);
+ unsigned char hvpll_stat = 0x26;
+ unsigned char ret;
+
+ 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 void set_radio_freq(struct i2c_client *c, unsigned int freq)
+/*---------------------------------------------------------------------*/
+
+static void tda8295_set_params(struct dvb_frontend *fe,
+ struct analog_parameters *params)
{
- struct tuner *t = i2c_get_clientdata(c);
- set_frequency(t, 704, freq);
- tda8290_tune(c);
+ struct tda8290_priv *priv = fe->analog_demod_priv;
+
+ 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 has_signal(struct i2c_client *c)
+/*---------------------------------------------------------------------*/
+
+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;
- i2c_master_send(c, i2c_get_afc, ARRAY_SIZE(i2c_get_afc));
- i2c_master_recv(c, &afc, 1);
+ 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 standby(struct i2c_client *c)
+/*---------------------------------------------------------------------*/
+
+static void tda8290_standby(struct dvb_frontend *fe)
+{
+ 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->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);
+}
+
+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)
{
- i2c_transfer(c->adapter, i2c_msg_standby, ARRAY_SIZE(i2c_msg_standby));
+ 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->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);
}
-int tda8290_init(struct i2c_client *c)
+static void tda8295_init_if(struct dvb_frontend *fe)
{
- struct tuner *t = i2c_get_clientdata(c);
+ 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);
+}
- strlcpy(c->name, "tda8290+75", sizeof(c->name));
- tuner_info("tuner: type set to %s\n", c->name);
- t->tv_freq = set_tv_freq;
- t->radio_freq = set_radio_freq;
- t->has_signal = has_signal;
- t->standby = standby;
+static void tda8290_init_tuner(struct dvb_frontend *fe)
+{
+ 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->ver & TDA8275A)
+ msg.buf = tda8275a_init;
+
+ tda8290_i2c_bridge(fe, 1);
+ i2c_transfer(priv->i2c_props.adap, &msg, 1);
+ tda8290_i2c_bridge(fe, 0);
+}
+
+/*---------------------------------------------------------------------*/
+
+static void tda829x_release(struct dvb_frontend *fe)
+{
+ struct tda8290_priv *priv = fe->analog_demod_priv;
+
+ /* only try to release the tuner if we've
+ * attached it from within this module */
+ if (priv->ver & (TDA18271 | TDA8275 | TDA8275A))
+ if (fe->ops.tuner_ops.release)
+ fe->ops.tuner_ops.release(fe);
+
+ kfree(fe->analog_demod_priv);
+ fe->analog_demod_priv = NULL;
+}
+
+static struct tda18271_config tda829x_tda18271_config = {
+ .gate = TDA18271_GATE_ANALOG,
+};
+
+static int tda829x_find_tuner(struct dvb_frontend *fe)
+{
+ 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;
+ u8 data;
+ struct i2c_msg msg = { .flags = I2C_M_RD, .buf = &data, .len = 1 };
+
+ if (NULL == analog_ops->i2c_gate_ctrl)
+ return -EINVAL;
+
+ analog_ops->i2c_gate_ctrl(fe, 1);
+
+ /* probe for tuner chip */
+ tuners_found = 0;
+ tuner_addrs = 0;
+ for (i = 0x60; i <= 0x63; i++) {
+ msg.addr = i;
+ ret = i2c_transfer(priv->i2c_props.adap, &msg, 1);
+ if (ret == 1) {
+ tuners_found++;
+ tuner_addrs = (tuner_addrs << 8) + i;
+ }
+ }
+ /* if there is more than one tuner, we expect the right one is
+ behind the bridge and we choose the highest address that doesn't
+ give a response now
+ */
+
+ 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)
+ tuner_addrs = tuner_addrs >> 8;
+ else
+ break;
+ }
+
+ if (tuner_addrs == 0) {
+ tuner_addrs = 0x60;
+ tuner_info("could not clearly identify tuner address, "
+ "defaulting to %x\n", tuner_addrs);
+ } else {
+ tuner_addrs = tuner_addrs & 0xff;
+ tuner_info("setting tuner address to %x\n", tuner_addrs);
+ }
+ priv->tda827x_addr = tuner_addrs;
+ msg.addr = tuner_addrs;
+
+ analog_ops->i2c_gate_ctrl(fe, 1);
+ ret = i2c_transfer(priv->i2c_props.adap, &msg, 1);
+
+ 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 {
+ 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);
- i2c_master_send(c, i2c_enable_bridge, ARRAY_SIZE(i2c_enable_bridge));
- i2c_transfer(c->adapter, i2c_msg_init, ARRAY_SIZE(i2c_msg_init));
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;
+ }
+
+ 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);
+
+ return fe;
+
+fail:
+ tda829x_release(fe);
+ return NULL;
+}
+EXPORT_SYMBOL_GPL(tda829x_attach);
+
+int tda829x_probe(struct i2c_adapter *i2c_adap, u8 i2c_addr)
+{
+ 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 easy_mode_g[] = { 0x01, 0x04 };
+ unsigned char restore_9886[] = { 0x00, 0xd6, 0x30 };
+ unsigned char addr_dto_lsb = 0x07;
+ unsigned char data;
+#define PROBE_BUFFER_SIZE 8
+ unsigned char buf[PROBE_BUFFER_SIZE];
+ int i;
+
+ /* rule out tda9887, which would return the same byte repeatedly */
+ tuner_i2c_xfer_send(&i2c_props, soft_reset, 1);
+ tuner_i2c_xfer_recv(&i2c_props, buf, PROBE_BUFFER_SIZE);
+ for (i = 1; i < PROBE_BUFFER_SIZE; i++) {
+ if (buf[i] != buf[0])
+ break;
+ }
+
+ /* all bytes are equal, not a tda829x - probably a tda9887 */
+ if (i == PROBE_BUFFER_SIZE)
+ return -ENODEV;
+
+ if ((tda8290_probe(&i2c_props) == 0) ||
+ (tda8295_probe(&i2c_props) == 0))
+ return 0;
+
+ /* fall back to old probing method */
+ tuner_i2c_xfer_send(&i2c_props, easy_mode_b, 2);
+ tuner_i2c_xfer_send(&i2c_props, soft_reset, 2);
+ tuner_i2c_xfer_send(&i2c_props, &addr_dto_lsb, 1);
+ tuner_i2c_xfer_recv(&i2c_props, &data, 1);
+ if (data == 0) {
+ 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;
+ }
+ }
+ tuner_i2c_xfer_send(&i2c_props, restore_9886, 3);
+ return -ENODEV;
+}
+EXPORT_SYMBOL_GPL(tda829x_probe);
+
+MODULE_DESCRIPTION("Philips/NXP TDA8290/TDA8295 analog IF demodulator driver");
+MODULE_AUTHOR("Gerd Knorr, Hartmut Hackmann, Michael Krufky");
+MODULE_LICENSE("GPL");
+
/*
* Overrides for Emacs so that we follow Linus's tabbing style.
* ---------------------------------------------------------------------------
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff