blob: c190b0dedee47851ada5e30e25d93031c3a586a3 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
Hartmut Hackmannde48eeb2005-11-08 21:37:48 -08002
3 i2c tv tuner chip device driver
4 controls the philips tda8290+75 tuner chip combo.
5
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
Michael Krufky910bb3e2007-08-27 21:22:20 -030019
20 This "tda8290" module was split apart from the original "tuner" module.
Hartmut Hackmannde48eeb2005-11-08 21:37:48 -080021*/
22
Linus Torvalds1da177e2005-04-16 15:20:36 -070023#include <linux/i2c.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070024#include <linux/delay.h>
Hans Verkuil7f6adea2009-02-19 17:31:17 -030025#include <linux/videodev2.h>
Michael Krufkyab166052007-12-09 02:26:48 -030026#include "tuner-i2c.h"
Michael Krufky910bb3e2007-08-27 21:22:20 -030027#include "tda8290.h"
Michael Krufky746d97322007-08-25 19:08:45 -030028#include "tda827x.h"
Michael Krufky5bea1cd2007-10-22 09:56:38 -030029#include "tda18271.h"
Michael Krufky910bb3e2007-08-27 21:22:20 -030030
Michael Krufkyab166052007-12-09 02:26:48 -030031static int debug;
32module_param(debug, int, 0644);
Michael Krufky910bb3e2007-08-27 21:22:20 -030033MODULE_PARM_DESC(debug, "enable verbose debug messages");
34
Mauro Carvalho Chehab9af0ef22008-12-08 10:36:57 -030035static int deemphasis_50;
Henk Vergonetb450b922009-09-27 18:19:58 -030036module_param(deemphasis_50, int, 0644);
Mauro Carvalho Chehab9af0ef22008-12-08 10:36:57 -030037MODULE_PARM_DESC(deemphasis_50, "0 - 75us deemphasis; 1 - 50us deemphasis");
38
Linus Torvalds1da177e2005-04-16 15:20:36 -070039/* ---------------------------------------------------------------------- */
40
Michael Krufkyb2083192007-05-29 22:54:06 -030041struct tda8290_priv {
Michael Krufkydb8a6952007-08-21 01:24:42 -030042 struct tuner_i2c_props i2c_props;
43
Michael Krufkyb2083192007-05-29 22:54:06 -030044 unsigned char tda8290_easy_mode;
Michael Krufky746d97322007-08-25 19:08:45 -030045
Michael Krufkyb2083192007-05-29 22:54:06 -030046 unsigned char tda827x_addr;
Michael Krufky8c125f2c2007-10-27 02:00:57 -030047
48 unsigned char ver;
49#define TDA8290 1
50#define TDA8295 2
51#define TDA8275 4
52#define TDA8275A 8
53#define TDA18271 16
Michael Krufky910bb3e2007-08-27 21:22:20 -030054
Michael Krufky746d97322007-08-25 19:08:45 -030055 struct tda827x_config cfg;
Michael Krufkyb2083192007-05-29 22:54:06 -030056};
57
Hartmut Hackmannde48eeb2005-11-08 21:37:48 -080058/*---------------------------------------------------------------------*/
59
Michael Krufkya72dd302007-10-24 09:30:17 -030060static int tda8290_i2c_bridge(struct dvb_frontend *fe, int close)
Hartmut Hackmannde48eeb2005-11-08 21:37:48 -080061{
Michael Krufky4e9154b2007-10-21 19:39:50 -030062 struct tda8290_priv *priv = fe->analog_demod_priv;
Michael Krufkydb8a6952007-08-21 01:24:42 -030063
Hartmut Hackmannde48eeb2005-11-08 21:37:48 -080064 unsigned char enable[2] = { 0x21, 0xC0 };
Hartmut Hackmann0157a9c2006-02-07 06:49:09 -020065 unsigned char disable[2] = { 0x21, 0x00 };
Hartmut Hackmannde48eeb2005-11-08 21:37:48 -080066 unsigned char *msg;
Michael Krufkya72dd302007-10-24 09:30:17 -030067
68 if (close) {
Hartmut Hackmannde48eeb2005-11-08 21:37:48 -080069 msg = enable;
Michael Krufkydb8a6952007-08-21 01:24:42 -030070 tuner_i2c_xfer_send(&priv->i2c_props, msg, 2);
Hartmut Hackmannde48eeb2005-11-08 21:37:48 -080071 /* let the bridge stabilize */
72 msleep(20);
73 } else {
74 msg = disable;
Michael Krufkydb8a6952007-08-21 01:24:42 -030075 tuner_i2c_xfer_send(&priv->i2c_props, msg, 2);
Hartmut Hackmannde48eeb2005-11-08 21:37:48 -080076 }
Michael Krufkya72dd302007-10-24 09:30:17 -030077
78 return 0;
Hartmut Hackmannde48eeb2005-11-08 21:37:48 -080079}
80
Michael Krufkya72dd302007-10-24 09:30:17 -030081static int tda8295_i2c_bridge(struct dvb_frontend *fe, int close)
Michael Krufky5bea1cd2007-10-22 09:56:38 -030082{
Michael Krufky4e9154b2007-10-21 19:39:50 -030083 struct tda8290_priv *priv = fe->analog_demod_priv;
Michael Krufky5bea1cd2007-10-22 09:56:38 -030084
85 unsigned char enable[2] = { 0x45, 0xc1 };
86 unsigned char disable[2] = { 0x46, 0x00 };
87 unsigned char buf[3] = { 0x45, 0x01, 0x00 };
88 unsigned char *msg;
Michael Krufkya72dd302007-10-24 09:30:17 -030089
Michael Krufky5bea1cd2007-10-22 09:56:38 -030090 if (close) {
91 msg = enable;
92 tuner_i2c_xfer_send(&priv->i2c_props, msg, 2);
93 /* let the bridge stabilize */
94 msleep(20);
95 } else {
96 msg = disable;
97 tuner_i2c_xfer_send(&priv->i2c_props, msg, 1);
98 tuner_i2c_xfer_recv(&priv->i2c_props, &msg[1], 1);
99
100 buf[2] = msg[1];
101 buf[2] &= ~0x04;
102 tuner_i2c_xfer_send(&priv->i2c_props, buf, 3);
103 msleep(5);
104
105 msg[1] |= 0x04;
106 tuner_i2c_xfer_send(&priv->i2c_props, msg, 2);
107 }
Michael Krufkya72dd302007-10-24 09:30:17 -0300108
109 return 0;
Michael Krufky5bea1cd2007-10-22 09:56:38 -0300110}
111
Hartmut Hackmannde48eeb2005-11-08 21:37:48 -0800112/*---------------------------------------------------------------------*/
113
Michael Krufkyc7919d52007-12-08 17:06:30 -0300114static void set_audio(struct dvb_frontend *fe,
115 struct analog_parameters *params)
Hartmut Hackmannde48eeb2005-11-08 21:37:48 -0800116{
Michael Krufky4e9154b2007-10-21 19:39:50 -0300117 struct tda8290_priv *priv = fe->analog_demod_priv;
Michael Krufky910bb3e2007-08-27 21:22:20 -0300118 char* mode;
119
Michael Krufkyc7919d52007-12-08 17:06:30 -0300120 if (params->std & V4L2_STD_MN) {
Michael Krufky910bb3e2007-08-27 21:22:20 -0300121 priv->tda8290_easy_mode = 0x01;
Michael Krufky910bb3e2007-08-27 21:22:20 -0300122 mode = "MN";
Michael Krufkyc7919d52007-12-08 17:06:30 -0300123 } else if (params->std & V4L2_STD_B) {
Michael Krufky910bb3e2007-08-27 21:22:20 -0300124 priv->tda8290_easy_mode = 0x02;
125 mode = "B";
Michael Krufkyc7919d52007-12-08 17:06:30 -0300126 } else if (params->std & V4L2_STD_GH) {
Michael Krufky910bb3e2007-08-27 21:22:20 -0300127 priv->tda8290_easy_mode = 0x04;
128 mode = "GH";
Michael Krufkyc7919d52007-12-08 17:06:30 -0300129 } else if (params->std & V4L2_STD_PAL_I) {
Michael Krufky910bb3e2007-08-27 21:22:20 -0300130 priv->tda8290_easy_mode = 0x08;
131 mode = "I";
Michael Krufkyc7919d52007-12-08 17:06:30 -0300132 } else if (params->std & V4L2_STD_DK) {
Michael Krufky910bb3e2007-08-27 21:22:20 -0300133 priv->tda8290_easy_mode = 0x10;
134 mode = "DK";
Michael Krufkyc7919d52007-12-08 17:06:30 -0300135 } else if (params->std & V4L2_STD_SECAM_L) {
Michael Krufky910bb3e2007-08-27 21:22:20 -0300136 priv->tda8290_easy_mode = 0x20;
137 mode = "L";
Michael Krufkyc7919d52007-12-08 17:06:30 -0300138 } else if (params->std & V4L2_STD_SECAM_LC) {
Michael Krufky910bb3e2007-08-27 21:22:20 -0300139 priv->tda8290_easy_mode = 0x40;
140 mode = "LC";
141 } else {
Michael Krufky910bb3e2007-08-27 21:22:20 -0300142 priv->tda8290_easy_mode = 0x10;
143 mode = "xx";
144 }
145
Mauro Carvalho Chehab9af0ef22008-12-08 10:36:57 -0300146 if (params->mode == V4L2_TUNER_RADIO) {
147 priv->tda8290_easy_mode = 0x01; /* Start with MN values */
148 tuner_dbg("setting to radio FM\n");
149 } else {
150 tuner_dbg("setting tda829x to system %s\n", mode);
151 }
Michael Krufky910bb3e2007-08-27 21:22:20 -0300152}
153
Mauro Carvalho Chehab4c27f1a2009-01-05 01:23:50 -0300154static struct {
Mauro Carvalho Chehab9af0ef22008-12-08 10:36:57 -0300155 unsigned char seq[2];
156} fm_mode[] = {
157 { { 0x01, 0x81} }, /* Put device into expert mode */
158 { { 0x03, 0x48} }, /* Disable NOTCH and VIDEO filters */
159 { { 0x04, 0x04} }, /* Disable color carrier filter (SSIF) */
160 { { 0x05, 0x04} }, /* ADC headroom */
161 { { 0x06, 0x10} }, /* group delay flat */
162
163 { { 0x07, 0x00} }, /* use the same radio DTO values as a tda8295 */
164 { { 0x08, 0x00} },
165 { { 0x09, 0x80} },
166 { { 0x0a, 0xda} },
167 { { 0x0b, 0x4b} },
168 { { 0x0c, 0x68} },
169
170 { { 0x0d, 0x00} }, /* PLL off, no video carrier detect */
171 { { 0x14, 0x00} }, /* disable auto mute if no video */
172};
173
Michael Krufkyc7919d52007-12-08 17:06:30 -0300174static void tda8290_set_params(struct dvb_frontend *fe,
175 struct analog_parameters *params)
Michael Krufky910bb3e2007-08-27 21:22:20 -0300176{
Michael Krufky4e9154b2007-10-21 19:39:50 -0300177 struct tda8290_priv *priv = fe->analog_demod_priv;
Michael Krufky4e9154b2007-10-21 19:39:50 -0300178
Hartmut Hackmannde48eeb2005-11-08 21:37:48 -0800179 unsigned char soft_reset[] = { 0x00, 0x00 };
Michael Krufkyb2083192007-05-29 22:54:06 -0300180 unsigned char easy_mode[] = { 0x01, priv->tda8290_easy_mode };
Hartmut Hackmannde48eeb2005-11-08 21:37:48 -0800181 unsigned char expert_mode[] = { 0x01, 0x80 };
Hartmut Hackmann0157a9c2006-02-07 06:49:09 -0200182 unsigned char agc_out_on[] = { 0x02, 0x00 };
Hartmut Hackmannde48eeb2005-11-08 21:37:48 -0800183 unsigned char gainset_off[] = { 0x28, 0x14 };
184 unsigned char if_agc_spd[] = { 0x0f, 0x88 };
185 unsigned char adc_head_6[] = { 0x05, 0x04 };
186 unsigned char adc_head_9[] = { 0x05, 0x02 };
187 unsigned char adc_head_12[] = { 0x05, 0x01 };
188 unsigned char pll_bw_nom[] = { 0x0d, 0x47 };
189 unsigned char pll_bw_low[] = { 0x0d, 0x27 };
190 unsigned char gainset_2[] = { 0x28, 0x64 };
191 unsigned char agc_rst_on[] = { 0x0e, 0x0b };
192 unsigned char agc_rst_off[] = { 0x0e, 0x09 };
193 unsigned char if_agc_set[] = { 0x0f, 0x81 };
194 unsigned char addr_adc_sat = 0x1a;
195 unsigned char addr_agc_stat = 0x1d;
196 unsigned char addr_pll_stat = 0x1b;
197 unsigned char adc_sat, agc_stat,
Nickolay V. Shmyrev9a741ec2005-11-08 21:37:50 -0800198 pll_stat;
Hartmut Hackmann58ef4f92007-04-27 12:31:12 -0300199 int i;
Hartmut Hackmannde48eeb2005-11-08 21:37:48 -0800200
Michael Krufkyc7919d52007-12-08 17:06:30 -0300201 set_audio(fe, params);
Michael Krufky746d97322007-08-25 19:08:45 -0300202
Michael Krufkyab166052007-12-09 02:26:48 -0300203 if (priv->cfg.config)
Hartmut Hackmann7bff4b42008-04-22 14:46:08 -0300204 tuner_dbg("tda827xa config is 0x%02x\n", priv->cfg.config);
Michael Krufkydb8a6952007-08-21 01:24:42 -0300205 tuner_i2c_xfer_send(&priv->i2c_props, easy_mode, 2);
206 tuner_i2c_xfer_send(&priv->i2c_props, agc_out_on, 2);
207 tuner_i2c_xfer_send(&priv->i2c_props, soft_reset, 2);
Hartmut Hackmannde48eeb2005-11-08 21:37:48 -0800208 msleep(1);
209
Mauro Carvalho Chehab9af0ef22008-12-08 10:36:57 -0300210 if (params->mode == V4L2_TUNER_RADIO) {
Mauro Carvalho Chehab9af0ef22008-12-08 10:36:57 -0300211 unsigned char deemphasis[] = { 0x13, 1 };
212
213 /* FIXME: allow using a different deemphasis */
214
215 if (deemphasis_50)
216 deemphasis[1] = 2;
217
218 for (i = 0; i < ARRAY_SIZE(fm_mode); i++)
219 tuner_i2c_xfer_send(&priv->i2c_props, fm_mode[i].seq, 2);
220
221 tuner_i2c_xfer_send(&priv->i2c_props, deemphasis, 2);
222 } else {
223 expert_mode[1] = priv->tda8290_easy_mode + 0x80;
224 tuner_i2c_xfer_send(&priv->i2c_props, expert_mode, 2);
225 tuner_i2c_xfer_send(&priv->i2c_props, gainset_off, 2);
226 tuner_i2c_xfer_send(&priv->i2c_props, if_agc_spd, 2);
227 if (priv->tda8290_easy_mode & 0x60)
228 tuner_i2c_xfer_send(&priv->i2c_props, adc_head_9, 2);
229 else
230 tuner_i2c_xfer_send(&priv->i2c_props, adc_head_6, 2);
231 tuner_i2c_xfer_send(&priv->i2c_props, pll_bw_nom, 2);
232 }
Hartmut Hackmannde48eeb2005-11-08 21:37:48 -0800233
Michael Krufky4e9154b2007-10-21 19:39:50 -0300234 tda8290_i2c_bridge(fe, 1);
Michael Krufky746d97322007-08-25 19:08:45 -0300235
Michael Krufky4e9154b2007-10-21 19:39:50 -0300236 if (fe->ops.tuner_ops.set_analog_params)
Michael Krufkyc7919d52007-12-08 17:06:30 -0300237 fe->ops.tuner_ops.set_analog_params(fe, params);
Michael Krufky746d97322007-08-25 19:08:45 -0300238
Hartmut Hackmann58ef4f92007-04-27 12:31:12 -0300239 for (i = 0; i < 3; i++) {
Michael Krufkydb8a6952007-08-21 01:24:42 -0300240 tuner_i2c_xfer_send(&priv->i2c_props, &addr_pll_stat, 1);
241 tuner_i2c_xfer_recv(&priv->i2c_props, &pll_stat, 1);
Hartmut Hackmann58ef4f92007-04-27 12:31:12 -0300242 if (pll_stat & 0x80) {
Michael Krufkydb8a6952007-08-21 01:24:42 -0300243 tuner_i2c_xfer_send(&priv->i2c_props, &addr_adc_sat, 1);
244 tuner_i2c_xfer_recv(&priv->i2c_props, &adc_sat, 1);
245 tuner_i2c_xfer_send(&priv->i2c_props, &addr_agc_stat, 1);
246 tuner_i2c_xfer_recv(&priv->i2c_props, &agc_stat, 1);
Hartmut Hackmann58ef4f92007-04-27 12:31:12 -0300247 tuner_dbg("tda8290 is locked, AGC: %d\n", agc_stat);
248 break;
249 } else {
250 tuner_dbg("tda8290 not locked, no signal?\n");
251 msleep(100);
252 }
253 }
Hartmut Hackmannde48eeb2005-11-08 21:37:48 -0800254 /* adjust headroom resp. gain */
Hartmut Hackmann4ac95af2005-11-08 21:38:38 -0800255 if ((agc_stat > 115) || (!(pll_stat & 0x80) && (adc_sat < 20))) {
256 tuner_dbg("adjust gain, step 1. Agc: %d, ADC stat: %d, lock: %d\n",
257 agc_stat, adc_sat, pll_stat & 0x80);
Michael Krufkydb8a6952007-08-21 01:24:42 -0300258 tuner_i2c_xfer_send(&priv->i2c_props, gainset_2, 2);
Hartmut Hackmannde48eeb2005-11-08 21:37:48 -0800259 msleep(100);
Michael Krufkydb8a6952007-08-21 01:24:42 -0300260 tuner_i2c_xfer_send(&priv->i2c_props, &addr_agc_stat, 1);
261 tuner_i2c_xfer_recv(&priv->i2c_props, &agc_stat, 1);
262 tuner_i2c_xfer_send(&priv->i2c_props, &addr_pll_stat, 1);
263 tuner_i2c_xfer_recv(&priv->i2c_props, &pll_stat, 1);
Hartmut Hackmannde48eeb2005-11-08 21:37:48 -0800264 if ((agc_stat > 115) || !(pll_stat & 0x80)) {
Hartmut Hackmann4ac95af2005-11-08 21:38:38 -0800265 tuner_dbg("adjust gain, step 2. Agc: %d, lock: %d\n",
266 agc_stat, pll_stat & 0x80);
Michael Krufky746d97322007-08-25 19:08:45 -0300267 if (priv->cfg.agcf)
Michael Krufky4e9154b2007-10-21 19:39:50 -0300268 priv->cfg.agcf(fe);
Hartmut Hackmannde48eeb2005-11-08 21:37:48 -0800269 msleep(100);
Michael Krufkydb8a6952007-08-21 01:24:42 -0300270 tuner_i2c_xfer_send(&priv->i2c_props, &addr_agc_stat, 1);
271 tuner_i2c_xfer_recv(&priv->i2c_props, &agc_stat, 1);
272 tuner_i2c_xfer_send(&priv->i2c_props, &addr_pll_stat, 1);
273 tuner_i2c_xfer_recv(&priv->i2c_props, &pll_stat, 1);
Hartmut Hackmannde48eeb2005-11-08 21:37:48 -0800274 if((agc_stat > 115) || !(pll_stat & 0x80)) {
275 tuner_dbg("adjust gain, step 3. Agc: %d\n", agc_stat);
Michael Krufkydb8a6952007-08-21 01:24:42 -0300276 tuner_i2c_xfer_send(&priv->i2c_props, adc_head_12, 2);
277 tuner_i2c_xfer_send(&priv->i2c_props, pll_bw_low, 2);
Hartmut Hackmannde48eeb2005-11-08 21:37:48 -0800278 msleep(100);
279 }
280 }
281 }
282
283 /* l/ l' deadlock? */
Michael Krufkyb2083192007-05-29 22:54:06 -0300284 if(priv->tda8290_easy_mode & 0x60) {
Michael Krufkydb8a6952007-08-21 01:24:42 -0300285 tuner_i2c_xfer_send(&priv->i2c_props, &addr_adc_sat, 1);
286 tuner_i2c_xfer_recv(&priv->i2c_props, &adc_sat, 1);
287 tuner_i2c_xfer_send(&priv->i2c_props, &addr_pll_stat, 1);
288 tuner_i2c_xfer_recv(&priv->i2c_props, &pll_stat, 1);
Hartmut Hackmannde48eeb2005-11-08 21:37:48 -0800289 if ((adc_sat > 20) || !(pll_stat & 0x80)) {
Hartmut Hackmann4ac95af2005-11-08 21:38:38 -0800290 tuner_dbg("trying to resolve SECAM L deadlock\n");
Michael Krufkydb8a6952007-08-21 01:24:42 -0300291 tuner_i2c_xfer_send(&priv->i2c_props, agc_rst_on, 2);
Hartmut Hackmannde48eeb2005-11-08 21:37:48 -0800292 msleep(40);
Michael Krufkydb8a6952007-08-21 01:24:42 -0300293 tuner_i2c_xfer_send(&priv->i2c_props, agc_rst_off, 2);
Hartmut Hackmannde48eeb2005-11-08 21:37:48 -0800294 }
295 }
296
Michael Krufky4e9154b2007-10-21 19:39:50 -0300297 tda8290_i2c_bridge(fe, 0);
Michael Krufkydb8a6952007-08-21 01:24:42 -0300298 tuner_i2c_xfer_send(&priv->i2c_props, if_agc_set, 2);
Hartmut Hackmannde48eeb2005-11-08 21:37:48 -0800299}
300
Hartmut Hackmannde48eeb2005-11-08 21:37:48 -0800301/*---------------------------------------------------------------------*/
302
Michael Krufky4e9154b2007-10-21 19:39:50 -0300303static void tda8295_power(struct dvb_frontend *fe, int enable)
Michael Krufky5bea1cd2007-10-22 09:56:38 -0300304{
Michael Krufky4e9154b2007-10-21 19:39:50 -0300305 struct tda8290_priv *priv = fe->analog_demod_priv;
Michael Krufky5bea1cd2007-10-22 09:56:38 -0300306 unsigned char buf[] = { 0x30, 0x00 }; /* clb_stdbt */
307
308 tuner_i2c_xfer_send(&priv->i2c_props, &buf[0], 1);
309 tuner_i2c_xfer_recv(&priv->i2c_props, &buf[1], 1);
310
311 if (enable)
312 buf[1] = 0x01;
313 else
314 buf[1] = 0x03;
315
316 tuner_i2c_xfer_send(&priv->i2c_props, buf, 2);
317}
318
Michael Krufky4e9154b2007-10-21 19:39:50 -0300319static void tda8295_set_easy_mode(struct dvb_frontend *fe, int enable)
Michael Krufky5bea1cd2007-10-22 09:56:38 -0300320{
Michael Krufky4e9154b2007-10-21 19:39:50 -0300321 struct tda8290_priv *priv = fe->analog_demod_priv;
Michael Krufky5bea1cd2007-10-22 09:56:38 -0300322 unsigned char buf[] = { 0x01, 0x00 };
323
324 tuner_i2c_xfer_send(&priv->i2c_props, &buf[0], 1);
325 tuner_i2c_xfer_recv(&priv->i2c_props, &buf[1], 1);
326
327 if (enable)
328 buf[1] = 0x01; /* rising edge sets regs 0x02 - 0x23 */
329 else
330 buf[1] = 0x00; /* reset active bit */
331
332 tuner_i2c_xfer_send(&priv->i2c_props, buf, 2);
333}
334
Michael Krufky4e9154b2007-10-21 19:39:50 -0300335static void tda8295_set_video_std(struct dvb_frontend *fe)
Michael Krufky5bea1cd2007-10-22 09:56:38 -0300336{
Michael Krufky4e9154b2007-10-21 19:39:50 -0300337 struct tda8290_priv *priv = fe->analog_demod_priv;
Michael Krufky5bea1cd2007-10-22 09:56:38 -0300338 unsigned char buf[] = { 0x00, priv->tda8290_easy_mode };
339
340 tuner_i2c_xfer_send(&priv->i2c_props, buf, 2);
341
Michael Krufky4e9154b2007-10-21 19:39:50 -0300342 tda8295_set_easy_mode(fe, 1);
Michael Krufky5bea1cd2007-10-22 09:56:38 -0300343 msleep(20);
Michael Krufky4e9154b2007-10-21 19:39:50 -0300344 tda8295_set_easy_mode(fe, 0);
Michael Krufky5bea1cd2007-10-22 09:56:38 -0300345}
346
347/*---------------------------------------------------------------------*/
348
Michael Krufky4e9154b2007-10-21 19:39:50 -0300349static void tda8295_agc1_out(struct dvb_frontend *fe, int enable)
Michael Krufky5bea1cd2007-10-22 09:56:38 -0300350{
Michael Krufky4e9154b2007-10-21 19:39:50 -0300351 struct tda8290_priv *priv = fe->analog_demod_priv;
Michael Krufky5bea1cd2007-10-22 09:56:38 -0300352 unsigned char buf[] = { 0x02, 0x00 }; /* DIV_FUNC */
353
354 tuner_i2c_xfer_send(&priv->i2c_props, &buf[0], 1);
355 tuner_i2c_xfer_recv(&priv->i2c_props, &buf[1], 1);
356
357 if (enable)
358 buf[1] &= ~0x40;
359 else
360 buf[1] |= 0x40;
361
362 tuner_i2c_xfer_send(&priv->i2c_props, buf, 2);
363}
364
Michael Krufky4e9154b2007-10-21 19:39:50 -0300365static void tda8295_agc2_out(struct dvb_frontend *fe, int enable)
Michael Krufky5bea1cd2007-10-22 09:56:38 -0300366{
Michael Krufky4e9154b2007-10-21 19:39:50 -0300367 struct tda8290_priv *priv = fe->analog_demod_priv;
Michael Krufky5bea1cd2007-10-22 09:56:38 -0300368 unsigned char set_gpio_cf[] = { 0x44, 0x00 };
369 unsigned char set_gpio_val[] = { 0x46, 0x00 };
370
371 tuner_i2c_xfer_send(&priv->i2c_props, &set_gpio_cf[0], 1);
372 tuner_i2c_xfer_recv(&priv->i2c_props, &set_gpio_cf[1], 1);
373 tuner_i2c_xfer_send(&priv->i2c_props, &set_gpio_val[0], 1);
374 tuner_i2c_xfer_recv(&priv->i2c_props, &set_gpio_val[1], 1);
375
376 set_gpio_cf[1] &= 0xf0; /* clear GPIO_0 bits 3-0 */
377
378 if (enable) {
379 set_gpio_cf[1] |= 0x01; /* config GPIO_0 as Open Drain Out */
380 set_gpio_val[1] &= 0xfe; /* set GPIO_0 pin low */
381 }
382 tuner_i2c_xfer_send(&priv->i2c_props, set_gpio_cf, 2);
383 tuner_i2c_xfer_send(&priv->i2c_props, set_gpio_val, 2);
384}
385
Michael Krufky4e9154b2007-10-21 19:39:50 -0300386static int tda8295_has_signal(struct dvb_frontend *fe)
Michael Krufky5bea1cd2007-10-22 09:56:38 -0300387{
Michael Krufky4e9154b2007-10-21 19:39:50 -0300388 struct tda8290_priv *priv = fe->analog_demod_priv;
Michael Krufky5bea1cd2007-10-22 09:56:38 -0300389
390 unsigned char hvpll_stat = 0x26;
391 unsigned char ret;
392
393 tuner_i2c_xfer_send(&priv->i2c_props, &hvpll_stat, 1);
394 tuner_i2c_xfer_recv(&priv->i2c_props, &ret, 1);
395 return (ret & 0x01) ? 65535 : 0;
396}
397
398/*---------------------------------------------------------------------*/
399
Michael Krufkyc7919d52007-12-08 17:06:30 -0300400static void tda8295_set_params(struct dvb_frontend *fe,
401 struct analog_parameters *params)
Michael Krufky5bea1cd2007-10-22 09:56:38 -0300402{
Michael Krufky4e9154b2007-10-21 19:39:50 -0300403 struct tda8290_priv *priv = fe->analog_demod_priv;
Michael Krufky5bea1cd2007-10-22 09:56:38 -0300404
405 unsigned char blanking_mode[] = { 0x1d, 0x00 };
406
Michael Krufkyc7919d52007-12-08 17:06:30 -0300407 set_audio(fe, params);
Michael Krufky5bea1cd2007-10-22 09:56:38 -0300408
Harvey Harrison7e28adb2008-04-08 23:20:00 -0300409 tuner_dbg("%s: freq = %d\n", __func__, params->frequency);
Michael Krufky5bea1cd2007-10-22 09:56:38 -0300410
Michael Krufky4e9154b2007-10-21 19:39:50 -0300411 tda8295_power(fe, 1);
412 tda8295_agc1_out(fe, 1);
Michael Krufky5bea1cd2007-10-22 09:56:38 -0300413
414 tuner_i2c_xfer_send(&priv->i2c_props, &blanking_mode[0], 1);
415 tuner_i2c_xfer_recv(&priv->i2c_props, &blanking_mode[1], 1);
416
Michael Krufky4e9154b2007-10-21 19:39:50 -0300417 tda8295_set_video_std(fe);
Michael Krufky5bea1cd2007-10-22 09:56:38 -0300418
419 blanking_mode[1] = 0x03;
420 tuner_i2c_xfer_send(&priv->i2c_props, blanking_mode, 2);
421 msleep(20);
422
Michael Krufky4e9154b2007-10-21 19:39:50 -0300423 tda8295_i2c_bridge(fe, 1);
Michael Krufky5bea1cd2007-10-22 09:56:38 -0300424
Michael Krufky4e9154b2007-10-21 19:39:50 -0300425 if (fe->ops.tuner_ops.set_analog_params)
Michael Krufkyc7919d52007-12-08 17:06:30 -0300426 fe->ops.tuner_ops.set_analog_params(fe, params);
Michael Krufky5bea1cd2007-10-22 09:56:38 -0300427
428 if (priv->cfg.agcf)
Michael Krufky4e9154b2007-10-21 19:39:50 -0300429 priv->cfg.agcf(fe);
Michael Krufky5bea1cd2007-10-22 09:56:38 -0300430
Michael Krufky4e9154b2007-10-21 19:39:50 -0300431 if (tda8295_has_signal(fe))
Michael Krufky5bea1cd2007-10-22 09:56:38 -0300432 tuner_dbg("tda8295 is locked\n");
433 else
434 tuner_dbg("tda8295 not locked, no signal?\n");
435
Michael Krufky4e9154b2007-10-21 19:39:50 -0300436 tda8295_i2c_bridge(fe, 0);
Michael Krufky5bea1cd2007-10-22 09:56:38 -0300437}
438
439/*---------------------------------------------------------------------*/
440
Michael Krufky4e9154b2007-10-21 19:39:50 -0300441static int tda8290_has_signal(struct dvb_frontend *fe)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700442{
Michael Krufky4e9154b2007-10-21 19:39:50 -0300443 struct tda8290_priv *priv = fe->analog_demod_priv;
Michael Krufkydb8a6952007-08-21 01:24:42 -0300444
Linus Torvalds1da177e2005-04-16 15:20:36 -0700445 unsigned char i2c_get_afc[1] = { 0x1B };
446 unsigned char afc = 0;
447
Michael Krufkydb8a6952007-08-21 01:24:42 -0300448 tuner_i2c_xfer_send(&priv->i2c_props, i2c_get_afc, ARRAY_SIZE(i2c_get_afc));
449 tuner_i2c_xfer_recv(&priv->i2c_props, &afc, 1);
Michael Krufky746d97322007-08-25 19:08:45 -0300450 return (afc & 0x80)? 65535:0;
Michael Krufky910bb3e2007-08-27 21:22:20 -0300451}
452
Hartmut Hackmannde48eeb2005-11-08 21:37:48 -0800453/*---------------------------------------------------------------------*/
454
Michael Krufky4e9154b2007-10-21 19:39:50 -0300455static void tda8290_standby(struct dvb_frontend *fe)
Mauro Carvalho Chehab793cf9e2005-09-09 13:03:37 -0700456{
Michael Krufky4e9154b2007-10-21 19:39:50 -0300457 struct tda8290_priv *priv = fe->analog_demod_priv;
458
Hartmut Hackmannde48eeb2005-11-08 21:37:48 -0800459 unsigned char cb1[] = { 0x30, 0xD0 };
460 unsigned char tda8290_standby[] = { 0x00, 0x02 };
Hartmut Hackmann0157a9c2006-02-07 06:49:09 -0200461 unsigned char tda8290_agc_tri[] = { 0x02, 0x20 };
Michael Krufkyb2083192007-05-29 22:54:06 -0300462 struct i2c_msg msg = {.addr = priv->tda827x_addr, .flags=0, .buf=cb1, .len = 2};
Hartmut Hackmannde48eeb2005-11-08 21:37:48 -0800463
Michael Krufky4e9154b2007-10-21 19:39:50 -0300464 tda8290_i2c_bridge(fe, 1);
Michael Krufky8c125f2c2007-10-27 02:00:57 -0300465 if (priv->ver & TDA8275A)
Hartmut Hackmannde48eeb2005-11-08 21:37:48 -0800466 cb1[1] = 0x90;
Michael Krufkydb8a6952007-08-21 01:24:42 -0300467 i2c_transfer(priv->i2c_props.adap, &msg, 1);
Michael Krufky4e9154b2007-10-21 19:39:50 -0300468 tda8290_i2c_bridge(fe, 0);
Michael Krufkydb8a6952007-08-21 01:24:42 -0300469 tuner_i2c_xfer_send(&priv->i2c_props, tda8290_agc_tri, 2);
470 tuner_i2c_xfer_send(&priv->i2c_props, tda8290_standby, 2);
Mauro Carvalho Chehab793cf9e2005-09-09 13:03:37 -0700471}
472
Michael Krufky4e9154b2007-10-21 19:39:50 -0300473static void tda8295_standby(struct dvb_frontend *fe)
Michael Krufky5bea1cd2007-10-22 09:56:38 -0300474{
Michael Krufky4e9154b2007-10-21 19:39:50 -0300475 tda8295_agc1_out(fe, 0); /* Put AGC in tri-state */
Michael Krufky5bea1cd2007-10-22 09:56:38 -0300476
Michael Krufky4e9154b2007-10-21 19:39:50 -0300477 tda8295_power(fe, 0);
Michael Krufky5bea1cd2007-10-22 09:56:38 -0300478}
479
Michael Krufky4e9154b2007-10-21 19:39:50 -0300480static void tda8290_init_if(struct dvb_frontend *fe)
Hartmut Hackmannde48eeb2005-11-08 21:37:48 -0800481{
Michael Krufky4e9154b2007-10-21 19:39:50 -0300482 struct tda8290_priv *priv = fe->analog_demod_priv;
Michael Krufkydb8a6952007-08-21 01:24:42 -0300483
Hartmut Hackmannde48eeb2005-11-08 21:37:48 -0800484 unsigned char set_VS[] = { 0x30, 0x6F };
Hartmut Hackmann58ef4f92007-04-27 12:31:12 -0300485 unsigned char set_GP00_CF[] = { 0x20, 0x01 };
Hartmut Hackmannde48eeb2005-11-08 21:37:48 -0800486 unsigned char set_GP01_CF[] = { 0x20, 0x0B };
487
Hartmut Hackmann7bff4b42008-04-22 14:46:08 -0300488 if ((priv->cfg.config == 1) || (priv->cfg.config == 2))
Michael Krufkydb8a6952007-08-21 01:24:42 -0300489 tuner_i2c_xfer_send(&priv->i2c_props, set_GP00_CF, 2);
Hartmut Hackmann58ef4f92007-04-27 12:31:12 -0300490 else
Michael Krufkydb8a6952007-08-21 01:24:42 -0300491 tuner_i2c_xfer_send(&priv->i2c_props, set_GP01_CF, 2);
492 tuner_i2c_xfer_send(&priv->i2c_props, set_VS, 2);
Hartmut Hackmannde48eeb2005-11-08 21:37:48 -0800493}
494
Michael Krufky4e9154b2007-10-21 19:39:50 -0300495static void tda8295_init_if(struct dvb_frontend *fe)
Michael Krufky5bea1cd2007-10-22 09:56:38 -0300496{
Michael Krufky4e9154b2007-10-21 19:39:50 -0300497 struct tda8290_priv *priv = fe->analog_demod_priv;
Michael Krufky5bea1cd2007-10-22 09:56:38 -0300498
499 static unsigned char set_adc_ctl[] = { 0x33, 0x14 };
500 static unsigned char set_adc_ctl2[] = { 0x34, 0x00 };
501 static unsigned char set_pll_reg6[] = { 0x3e, 0x63 };
502 static unsigned char set_pll_reg0[] = { 0x38, 0x23 };
503 static unsigned char set_pll_reg7[] = { 0x3f, 0x01 };
504 static unsigned char set_pll_reg10[] = { 0x42, 0x61 };
505 static unsigned char set_gpio_reg0[] = { 0x44, 0x0b };
506
Michael Krufky4e9154b2007-10-21 19:39:50 -0300507 tda8295_power(fe, 1);
Michael Krufky5bea1cd2007-10-22 09:56:38 -0300508
Michael Krufky4e9154b2007-10-21 19:39:50 -0300509 tda8295_set_easy_mode(fe, 0);
510 tda8295_set_video_std(fe);
Michael Krufky5bea1cd2007-10-22 09:56:38 -0300511
512 tuner_i2c_xfer_send(&priv->i2c_props, set_adc_ctl, 2);
513 tuner_i2c_xfer_send(&priv->i2c_props, set_adc_ctl2, 2);
514 tuner_i2c_xfer_send(&priv->i2c_props, set_pll_reg6, 2);
515 tuner_i2c_xfer_send(&priv->i2c_props, set_pll_reg0, 2);
516 tuner_i2c_xfer_send(&priv->i2c_props, set_pll_reg7, 2);
517 tuner_i2c_xfer_send(&priv->i2c_props, set_pll_reg10, 2);
518 tuner_i2c_xfer_send(&priv->i2c_props, set_gpio_reg0, 2);
519
Michael Krufky4e9154b2007-10-21 19:39:50 -0300520 tda8295_agc1_out(fe, 0);
521 tda8295_agc2_out(fe, 0);
Michael Krufky5bea1cd2007-10-22 09:56:38 -0300522}
523
Michael Krufky4e9154b2007-10-21 19:39:50 -0300524static void tda8290_init_tuner(struct dvb_frontend *fe)
Hartmut Hackmannde48eeb2005-11-08 21:37:48 -0800525{
Michael Krufky4e9154b2007-10-21 19:39:50 -0300526 struct tda8290_priv *priv = fe->analog_demod_priv;
Hartmut Hackmannde48eeb2005-11-08 21:37:48 -0800527 unsigned char tda8275_init[] = { 0x00, 0x00, 0x00, 0x40, 0xdC, 0x04, 0xAf,
Nickolay V. Shmyrev9a741ec2005-11-08 21:37:50 -0800528 0x3F, 0x2A, 0x04, 0xFF, 0x00, 0x00, 0x40 };
Hartmut Hackmannde48eeb2005-11-08 21:37:48 -0800529 unsigned char tda8275a_init[] = { 0x00, 0x00, 0x00, 0x00, 0xdC, 0x05, 0x8b,
Nickolay V. Shmyrev9a741ec2005-11-08 21:37:50 -0800530 0x0c, 0x04, 0x20, 0xFF, 0x00, 0x00, 0x4b };
Michael Krufkyb2083192007-05-29 22:54:06 -0300531 struct i2c_msg msg = {.addr = priv->tda827x_addr, .flags=0,
Ricardo Cerqueirac2f6f9d2005-11-08 21:37:51 -0800532 .buf=tda8275_init, .len = 14};
Michael Krufky8c125f2c2007-10-27 02:00:57 -0300533 if (priv->ver & TDA8275A)
Hartmut Hackmannde48eeb2005-11-08 21:37:48 -0800534 msg.buf = tda8275a_init;
535
Michael Krufky4e9154b2007-10-21 19:39:50 -0300536 tda8290_i2c_bridge(fe, 1);
Michael Krufkydb8a6952007-08-21 01:24:42 -0300537 i2c_transfer(priv->i2c_props.adap, &msg, 1);
Michael Krufky4e9154b2007-10-21 19:39:50 -0300538 tda8290_i2c_bridge(fe, 0);
Hartmut Hackmannde48eeb2005-11-08 21:37:48 -0800539}
540
541/*---------------------------------------------------------------------*/
542
Michael Krufky4e9154b2007-10-21 19:39:50 -0300543static void tda829x_release(struct dvb_frontend *fe)
Michael Krufky024cf532007-06-04 15:20:11 -0300544{
Michael Krufkya4f263b2008-01-06 15:52:56 -0300545 struct tda8290_priv *priv = fe->analog_demod_priv;
546
Michael Krufky006ed1e2008-01-09 10:44:27 -0300547 /* only try to release the tuner if we've
548 * attached it from within this module */
549 if (priv->ver & (TDA18271 | TDA8275 | TDA8275A))
Michael Krufkya4f263b2008-01-06 15:52:56 -0300550 if (fe->ops.tuner_ops.release)
551 fe->ops.tuner_ops.release(fe);
Michael Krufky910bb3e2007-08-27 21:22:20 -0300552
Michael Krufky4e9154b2007-10-21 19:39:50 -0300553 kfree(fe->analog_demod_priv);
554 fe->analog_demod_priv = NULL;
Michael Krufky024cf532007-06-04 15:20:11 -0300555}
556
Michael Krufkyf21e0d72008-01-02 03:01:54 -0300557static struct tda18271_config tda829x_tda18271_config = {
558 .gate = TDA18271_GATE_ANALOG,
559};
560
Michael Krufky8c125f2c2007-10-27 02:00:57 -0300561static int tda829x_find_tuner(struct dvb_frontend *fe)
562{
563 struct tda8290_priv *priv = fe->analog_demod_priv;
Michael Krufkybc3e5c72007-12-21 11:18:32 -0300564 struct analog_demod_ops *analog_ops = &fe->ops.analog_ops;
Michael Krufky8c125f2c2007-10-27 02:00:57 -0300565 int i, ret, tuners_found;
566 u32 tuner_addrs;
567 u8 data;
568 struct i2c_msg msg = { .flags = I2C_M_RD, .buf = &data, .len = 1 };
569
Mauro Carvalho Chehab31063812009-02-08 08:42:29 -0300570 if (!analog_ops->i2c_gate_ctrl) {
571 printk(KERN_ERR "tda8290: no gate control were provided!\n");
572
Michael Krufky8c125f2c2007-10-27 02:00:57 -0300573 return -EINVAL;
Mauro Carvalho Chehab31063812009-02-08 08:42:29 -0300574 }
Michael Krufky8c125f2c2007-10-27 02:00:57 -0300575
Michael Krufkybc3e5c72007-12-21 11:18:32 -0300576 analog_ops->i2c_gate_ctrl(fe, 1);
Michael Krufky8c125f2c2007-10-27 02:00:57 -0300577
578 /* probe for tuner chip */
579 tuners_found = 0;
580 tuner_addrs = 0;
581 for (i = 0x60; i <= 0x63; i++) {
582 msg.addr = i;
583 ret = i2c_transfer(priv->i2c_props.adap, &msg, 1);
584 if (ret == 1) {
585 tuners_found++;
586 tuner_addrs = (tuner_addrs << 8) + i;
587 }
588 }
589 /* if there is more than one tuner, we expect the right one is
590 behind the bridge and we choose the highest address that doesn't
591 give a response now
592 */
593
Michael Krufkybc3e5c72007-12-21 11:18:32 -0300594 analog_ops->i2c_gate_ctrl(fe, 0);
Michael Krufky8c125f2c2007-10-27 02:00:57 -0300595
596 if (tuners_found > 1)
597 for (i = 0; i < tuners_found; i++) {
598 msg.addr = tuner_addrs & 0xff;
599 ret = i2c_transfer(priv->i2c_props.adap, &msg, 1);
600 if (ret == 1)
601 tuner_addrs = tuner_addrs >> 8;
602 else
603 break;
604 }
605
606 if (tuner_addrs == 0) {
607 tuner_addrs = 0x60;
608 tuner_info("could not clearly identify tuner address, "
609 "defaulting to %x\n", tuner_addrs);
610 } else {
611 tuner_addrs = tuner_addrs & 0xff;
612 tuner_info("setting tuner address to %x\n", tuner_addrs);
613 }
614 priv->tda827x_addr = tuner_addrs;
615 msg.addr = tuner_addrs;
616
Michael Krufkybc3e5c72007-12-21 11:18:32 -0300617 analog_ops->i2c_gate_ctrl(fe, 1);
Michael Krufky8c125f2c2007-10-27 02:00:57 -0300618 ret = i2c_transfer(priv->i2c_props.adap, &msg, 1);
619
620 if (ret != 1) {
621 tuner_warn("tuner access failed!\n");
Mauro Carvalho Chehab31063812009-02-08 08:42:29 -0300622 analog_ops->i2c_gate_ctrl(fe, 0);
Michael Krufky8c125f2c2007-10-27 02:00:57 -0300623 return -EREMOTEIO;
624 }
625
Michael Krufky255b5112008-01-01 22:52:09 -0300626 if ((data == 0x83) || (data == 0x84)) {
Michael Krufky8c125f2c2007-10-27 02:00:57 -0300627 priv->ver |= TDA18271;
Michael Krufkyadcc4b32009-03-04 19:42:06 -0300628 tda829x_tda18271_config.config = priv->cfg.config;
Michael Krufkya07c8772008-04-29 03:54:19 -0300629 dvb_attach(tda18271_attach, fe, priv->tda827x_addr,
630 priv->i2c_props.adap, &tda829x_tda18271_config);
Michael Krufky8c125f2c2007-10-27 02:00:57 -0300631 } else {
632 if ((data & 0x3c) == 0)
633 priv->ver |= TDA8275;
634 else
635 priv->ver |= TDA8275A;
636
Michael Krufkya07c8772008-04-29 03:54:19 -0300637 dvb_attach(tda827x_attach, fe, priv->tda827x_addr,
638 priv->i2c_props.adap, &priv->cfg);
Hartmut Hackmann7bff4b42008-04-22 14:46:08 -0300639 priv->cfg.switch_addr = priv->i2c_props.addr;
Michael Krufky8c125f2c2007-10-27 02:00:57 -0300640 }
Michael Krufky68816472007-12-08 16:25:41 -0300641 if (fe->ops.tuner_ops.init)
642 fe->ops.tuner_ops.init(fe);
Michael Krufky63c25482007-11-23 15:08:11 -0300643
Michael Krufky68816472007-12-08 16:25:41 -0300644 if (fe->ops.tuner_ops.sleep)
645 fe->ops.tuner_ops.sleep(fe);
Michael Krufky63c25482007-11-23 15:08:11 -0300646
Michael Krufkybc3e5c72007-12-21 11:18:32 -0300647 analog_ops->i2c_gate_ctrl(fe, 0);
Michael Krufky8c125f2c2007-10-27 02:00:57 -0300648
Michael Krufky8c125f2c2007-10-27 02:00:57 -0300649 return 0;
650}
651
Michael Krufkyf1f32842007-11-03 22:14:54 -0300652static int tda8290_probe(struct tuner_i2c_props *i2c_props)
653{
654#define TDA8290_ID 0x89
655 unsigned char tda8290_id[] = { 0x1f, 0x00 };
656
657 /* detect tda8290 */
658 tuner_i2c_xfer_send(i2c_props, &tda8290_id[0], 1);
659 tuner_i2c_xfer_recv(i2c_props, &tda8290_id[1], 1);
660
661 if (tda8290_id[1] == TDA8290_ID) {
Michael Krufkyab166052007-12-09 02:26:48 -0300662 if (debug)
Michael Krufkyf1f32842007-11-03 22:14:54 -0300663 printk(KERN_DEBUG "%s: tda8290 detected @ %d-%04x\n",
Harvey Harrison7e28adb2008-04-08 23:20:00 -0300664 __func__, i2c_adapter_id(i2c_props->adap),
Michael Krufkyf1f32842007-11-03 22:14:54 -0300665 i2c_props->addr);
666 return 0;
667 }
668
Michael Krufky1f3a4e322007-11-04 10:51:28 -0300669 return -ENODEV;
Michael Krufkyf1f32842007-11-03 22:14:54 -0300670}
671
672static int tda8295_probe(struct tuner_i2c_props *i2c_props)
673{
674#define TDA8295_ID 0x8a
675 unsigned char tda8295_id[] = { 0x2f, 0x00 };
676
677 /* detect tda8295 */
678 tuner_i2c_xfer_send(i2c_props, &tda8295_id[0], 1);
679 tuner_i2c_xfer_recv(i2c_props, &tda8295_id[1], 1);
680
681 if (tda8295_id[1] == TDA8295_ID) {
Michael Krufkyab166052007-12-09 02:26:48 -0300682 if (debug)
Michael Krufkyf1f32842007-11-03 22:14:54 -0300683 printk(KERN_DEBUG "%s: tda8295 detected @ %d-%04x\n",
Harvey Harrison7e28adb2008-04-08 23:20:00 -0300684 __func__, i2c_adapter_id(i2c_props->adap),
Michael Krufkyf1f32842007-11-03 22:14:54 -0300685 i2c_props->addr);
686 return 0;
687 }
688
Michael Krufky1f3a4e322007-11-04 10:51:28 -0300689 return -ENODEV;
Michael Krufkyf1f32842007-11-03 22:14:54 -0300690}
691
Michael Krufkybc3e5c72007-12-21 11:18:32 -0300692static struct analog_demod_ops tda8290_ops = {
Michael Krufkyc7919d52007-12-08 17:06:30 -0300693 .set_params = tda8290_set_params,
Michael Krufky746d97322007-08-25 19:08:45 -0300694 .has_signal = tda8290_has_signal,
695 .standby = tda8290_standby,
Michael Krufky5bea1cd2007-10-22 09:56:38 -0300696 .release = tda829x_release,
Michael Krufkya72dd302007-10-24 09:30:17 -0300697 .i2c_gate_ctrl = tda8290_i2c_bridge,
Michael Krufky5bea1cd2007-10-22 09:56:38 -0300698};
699
Michael Krufkybc3e5c72007-12-21 11:18:32 -0300700static struct analog_demod_ops tda8295_ops = {
Michael Krufkyc7919d52007-12-08 17:06:30 -0300701 .set_params = tda8295_set_params,
Michael Krufky5bea1cd2007-10-22 09:56:38 -0300702 .has_signal = tda8295_has_signal,
703 .standby = tda8295_standby,
704 .release = tda829x_release,
Michael Krufkya72dd302007-10-24 09:30:17 -0300705 .i2c_gate_ctrl = tda8295_i2c_bridge,
Michael Krufky7fd8b262007-06-06 16:15:15 -0300706};
707
Michael Krufkyab166052007-12-09 02:26:48 -0300708struct dvb_frontend *tda829x_attach(struct dvb_frontend *fe,
709 struct i2c_adapter *i2c_adap, u8 i2c_addr,
710 struct tda829x_config *cfg)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700711{
Michael Krufkyb2083192007-05-29 22:54:06 -0300712 struct tda8290_priv *priv = NULL;
Michael Krufkyab166052007-12-09 02:26:48 -0300713 char *name;
Michael Krufky8c125f2c2007-10-27 02:00:57 -0300714
Michael Krufkyb2083192007-05-29 22:54:06 -0300715 priv = kzalloc(sizeof(struct tda8290_priv), GFP_KERNEL);
716 if (priv == NULL)
Michael Krufkyab166052007-12-09 02:26:48 -0300717 return NULL;
Michael Krufky8c125f2c2007-10-27 02:00:57 -0300718 fe->analog_demod_priv = priv;
Michael Krufkyb2083192007-05-29 22:54:06 -0300719
Michael Krufkyab166052007-12-09 02:26:48 -0300720 priv->i2c_props.addr = i2c_addr;
721 priv->i2c_props.adap = i2c_adap;
Michael Krufky27566652008-04-22 14:41:53 -0300722 priv->i2c_props.name = "tda829x";
Michael Krufkyd7cba042008-09-12 13:31:45 -0300723 if (cfg)
Michael Krufkyab166052007-12-09 02:26:48 -0300724 priv->cfg.config = cfg->lna_cfg;
Michael Krufkydb8a6952007-08-21 01:24:42 -0300725
Michael Krufkyf1f32842007-11-03 22:14:54 -0300726 if (tda8290_probe(&priv->i2c_props) == 0) {
Michael Krufky8c125f2c2007-10-27 02:00:57 -0300727 priv->ver = TDA8290;
Michael Krufkybc3e5c72007-12-21 11:18:32 -0300728 memcpy(&fe->ops.analog_ops, &tda8290_ops,
729 sizeof(struct analog_demod_ops));
Hartmut Hackmannde48eeb2005-11-08 21:37:48 -0800730 }
Michael Krufky8c125f2c2007-10-27 02:00:57 -0300731
Michael Krufkyf1f32842007-11-03 22:14:54 -0300732 if (tda8295_probe(&priv->i2c_props) == 0) {
Michael Krufky8c125f2c2007-10-27 02:00:57 -0300733 priv->ver = TDA8295;
Michael Krufkybc3e5c72007-12-21 11:18:32 -0300734 memcpy(&fe->ops.analog_ops, &tda8295_ops,
735 sizeof(struct analog_demod_ops));
Hartmut Hackmannde48eeb2005-11-08 21:37:48 -0800736 }
Hartmut Hackmannde48eeb2005-11-08 21:37:48 -0800737
Michael Krufkyc9076272007-12-24 04:36:14 -0300738 if ((!(cfg) || (TDA829X_PROBE_TUNER == cfg->probe_tuner)) &&
739 (tda829x_find_tuner(fe) < 0))
Michael Krufkyfa746aee2007-12-09 05:16:10 -0300740 goto fail;
Michael Krufky746d97322007-08-25 19:08:45 -0300741
Michael Krufkyab166052007-12-09 02:26:48 -0300742 switch (priv->ver) {
Michael Krufkyc9076272007-12-24 04:36:14 -0300743 case TDA8290:
744 name = "tda8290";
745 break;
746 case TDA8295:
747 name = "tda8295";
748 break;
Michael Krufkyab166052007-12-09 02:26:48 -0300749 case TDA8290 | TDA8275:
750 name = "tda8290+75";
751 break;
752 case TDA8295 | TDA8275:
753 name = "tda8295+75";
754 break;
755 case TDA8290 | TDA8275A:
756 name = "tda8290+75a";
757 break;
758 case TDA8295 | TDA8275A:
759 name = "tda8295+75a";
760 break;
761 case TDA8290 | TDA18271:
762 name = "tda8290+18271";
763 break;
764 case TDA8295 | TDA18271:
765 name = "tda8295+18271";
766 break;
767 default:
768 goto fail;
769 }
770 tuner_info("type set to %s\n", name);
771
Michael Krufky0f2ce982008-01-21 10:55:37 -0300772 fe->ops.analog_ops.info.name = name;
773
Michael Krufky8c125f2c2007-10-27 02:00:57 -0300774 if (priv->ver & TDA8290) {
Michael Krufky439b72b2009-01-05 18:25:04 -0300775 if (priv->ver & (TDA8275 | TDA8275A))
776 tda8290_init_tuner(fe);
Michael Krufky8c125f2c2007-10-27 02:00:57 -0300777 tda8290_init_if(fe);
778 } else if (priv->ver & TDA8295)
779 tda8295_init_if(fe);
Michael Krufky746d97322007-08-25 19:08:45 -0300780
Michael Krufkyab166052007-12-09 02:26:48 -0300781 return fe;
Michael Krufkyfa746aee2007-12-09 05:16:10 -0300782
783fail:
784 tda829x_release(fe);
Michael Krufkyab166052007-12-09 02:26:48 -0300785 return NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700786}
Michael Krufky8c125f2c2007-10-27 02:00:57 -0300787EXPORT_SYMBOL_GPL(tda829x_attach);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700788
Michael Krufkyab166052007-12-09 02:26:48 -0300789int tda829x_probe(struct i2c_adapter *i2c_adap, u8 i2c_addr)
Hartmut Hackmann95736032005-11-08 21:38:00 -0800790{
Michael Krufky910bb3e2007-08-27 21:22:20 -0300791 struct tuner_i2c_props i2c_props = {
Michael Krufkyab166052007-12-09 02:26:48 -0300792 .adap = i2c_adap,
793 .addr = i2c_addr,
Michael Krufky910bb3e2007-08-27 21:22:20 -0300794 };
Michael Krufkydb8a6952007-08-21 01:24:42 -0300795
Hartmut Hackmann44fd06f2006-02-27 00:09:11 -0300796 unsigned char soft_reset[] = { 0x00, 0x00 };
797 unsigned char easy_mode_b[] = { 0x01, 0x02 };
798 unsigned char easy_mode_g[] = { 0x01, 0x04 };
799 unsigned char restore_9886[] = { 0x00, 0xd6, 0x30 };
Hartmut Hackmann95736032005-11-08 21:38:00 -0800800 unsigned char addr_dto_lsb = 0x07;
801 unsigned char data;
Michael Krufkya818e1c2007-11-04 11:03:22 -0300802#define PROBE_BUFFER_SIZE 8
803 unsigned char buf[PROBE_BUFFER_SIZE];
804 int i;
805
806 /* rule out tda9887, which would return the same byte repeatedly */
807 tuner_i2c_xfer_send(&i2c_props, soft_reset, 1);
808 tuner_i2c_xfer_recv(&i2c_props, buf, PROBE_BUFFER_SIZE);
809 for (i = 1; i < PROBE_BUFFER_SIZE; i++) {
Michael Krufkybbe1e0b2007-11-05 09:54:42 -0300810 if (buf[i] != buf[0])
811 break;
Michael Krufkya818e1c2007-11-04 11:03:22 -0300812 }
813
814 /* all bytes are equal, not a tda829x - probably a tda9887 */
815 if (i == PROBE_BUFFER_SIZE)
816 return -ENODEV;
Hartmut Hackmann95736032005-11-08 21:38:00 -0800817
Michael Krufkyf1f32842007-11-03 22:14:54 -0300818 if ((tda8290_probe(&i2c_props) == 0) ||
819 (tda8295_probe(&i2c_props) == 0))
820 return 0;
821
822 /* fall back to old probing method */
Michael Krufky910bb3e2007-08-27 21:22:20 -0300823 tuner_i2c_xfer_send(&i2c_props, easy_mode_b, 2);
824 tuner_i2c_xfer_send(&i2c_props, soft_reset, 2);
825 tuner_i2c_xfer_send(&i2c_props, &addr_dto_lsb, 1);
826 tuner_i2c_xfer_recv(&i2c_props, &data, 1);
Hartmut Hackmann95736032005-11-08 21:38:00 -0800827 if (data == 0) {
Michael Krufky910bb3e2007-08-27 21:22:20 -0300828 tuner_i2c_xfer_send(&i2c_props, easy_mode_g, 2);
829 tuner_i2c_xfer_send(&i2c_props, soft_reset, 2);
830 tuner_i2c_xfer_send(&i2c_props, &addr_dto_lsb, 1);
831 tuner_i2c_xfer_recv(&i2c_props, &data, 1);
Hartmut Hackmann95736032005-11-08 21:38:00 -0800832 if (data == 0x7b) {
833 return 0;
834 }
835 }
Michael Krufky910bb3e2007-08-27 21:22:20 -0300836 tuner_i2c_xfer_send(&i2c_props, restore_9886, 3);
Michael Krufky1f3a4e322007-11-04 10:51:28 -0300837 return -ENODEV;
Hartmut Hackmann95736032005-11-08 21:38:00 -0800838}
Michael Krufkyf1f32842007-11-03 22:14:54 -0300839EXPORT_SYMBOL_GPL(tda829x_probe);
Michael Krufky910bb3e2007-08-27 21:22:20 -0300840
Michael Krufky8c125f2c2007-10-27 02:00:57 -0300841MODULE_DESCRIPTION("Philips/NXP TDA8290/TDA8295 analog IF demodulator driver");
Michael Krufky5bea1cd2007-10-22 09:56:38 -0300842MODULE_AUTHOR("Gerd Knorr, Hartmut Hackmann, Michael Krufky");
Michael Krufky910bb3e2007-08-27 21:22:20 -0300843MODULE_LICENSE("GPL");
844
Linus Torvalds1da177e2005-04-16 15:20:36 -0700845/*
846 * Overrides for Emacs so that we follow Linus's tabbing style.
847 * ---------------------------------------------------------------------------
848 * Local variables:
849 * c-basic-offset: 8
850 * End:
851 */