blob: 8400808f8f7fe1c77822941f0890757131ba219b [file] [log] [blame]
Michael Krufky8ce47da2007-04-27 12:31:14 -03001/*
2 *
3 * (c) 2005 Hartmut Hackmann
4 * (c) 2007 Michael Krufky
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.
Michael Krufky8ce47da2007-04-27 12:31:14 -030015 */
16
17#include <linux/module.h>
Tejun Heo5a0e3ad2010-03-24 17:04:11 +090018#include <linux/slab.h>
Michael Krufky8ce47da2007-04-27 12:31:14 -030019#include <asm/types.h>
Michael Krufky746d97322007-08-25 19:08:45 -030020#include <linux/dvb/frontend.h>
21#include <linux/videodev2.h>
Michael Krufky8ce47da2007-04-27 12:31:14 -030022
23#include "tda827x.h"
24
Douglas Schilling Landgrafff699e62008-04-22 14:41:48 -030025static int debug;
Michael Krufky746d97322007-08-25 19:08:45 -030026module_param(debug, int, 0644);
27MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off).");
28
Michael Krufky8ce47da2007-04-27 12:31:14 -030029#define dprintk(args...) \
30 do { \
31 if (debug) printk(KERN_DEBUG "tda827x: " args); \
32 } while (0)
33
34struct tda827x_priv {
35 int i2c_addr;
36 struct i2c_adapter *i2c_adap;
37 struct tda827x_config *cfg;
Michael Krufky5c82f442007-10-22 01:10:39 -030038
39 unsigned int sgIF;
40 unsigned char lpsel;
41
Michael Krufky8ce47da2007-04-27 12:31:14 -030042 u32 frequency;
43 u32 bandwidth;
44};
45
Michael Krufky5c82f442007-10-22 01:10:39 -030046static void tda827x_set_std(struct dvb_frontend *fe,
47 struct analog_parameters *params)
48{
49 struct tda827x_priv *priv = fe->tuner_priv;
50 char *mode;
51
52 priv->lpsel = 0;
53 if (params->std & V4L2_STD_MN) {
54 priv->sgIF = 92;
55 priv->lpsel = 1;
56 mode = "MN";
57 } else if (params->std & V4L2_STD_B) {
58 priv->sgIF = 108;
59 mode = "B";
60 } else if (params->std & V4L2_STD_GH) {
61 priv->sgIF = 124;
62 mode = "GH";
63 } else if (params->std & V4L2_STD_PAL_I) {
64 priv->sgIF = 124;
65 mode = "I";
66 } else if (params->std & V4L2_STD_DK) {
67 priv->sgIF = 124;
68 mode = "DK";
69 } else if (params->std & V4L2_STD_SECAM_L) {
70 priv->sgIF = 124;
71 mode = "L";
72 } else if (params->std & V4L2_STD_SECAM_LC) {
73 priv->sgIF = 20;
74 mode = "LC";
75 } else {
76 priv->sgIF = 124;
77 mode = "xx";
78 }
79
Mauro Carvalho Chehabe5218ee2008-12-07 23:01:57 -030080 if (params->mode == V4L2_TUNER_RADIO) {
Michael Krufky5c82f442007-10-22 01:10:39 -030081 priv->sgIF = 88; /* if frequency is 5.5 MHz */
Mauro Carvalho Chehabe5218ee2008-12-07 23:01:57 -030082 dprintk("setting tda827x to radio FM\n");
83 } else
84 dprintk("setting tda827x to system %s\n", mode);
Michael Krufky5c82f442007-10-22 01:10:39 -030085}
86
87
88/* ------------------------------------------------------------------ */
89
Michael Krufky8ce47da2007-04-27 12:31:14 -030090struct tda827x_data {
91 u32 lomax;
92 u8 spd;
93 u8 bs;
94 u8 bp;
95 u8 cp;
96 u8 gc3;
97 u8 div1p5;
98};
99
Michael Krufky746d97322007-08-25 19:08:45 -0300100static const struct tda827x_data tda827x_table[] = {
Michael Krufky8ce47da2007-04-27 12:31:14 -0300101 { .lomax = 62000000, .spd = 3, .bs = 2, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 1},
102 { .lomax = 66000000, .spd = 3, .bs = 3, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 1},
103 { .lomax = 76000000, .spd = 3, .bs = 1, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 0},
104 { .lomax = 84000000, .spd = 3, .bs = 2, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 0},
105 { .lomax = 93000000, .spd = 3, .bs = 2, .bp = 0, .cp = 0, .gc3 = 1, .div1p5 = 0},
106 { .lomax = 98000000, .spd = 3, .bs = 3, .bp = 0, .cp = 0, .gc3 = 1, .div1p5 = 0},
107 { .lomax = 109000000, .spd = 3, .bs = 3, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 0},
108 { .lomax = 123000000, .spd = 2, .bs = 2, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 1},
109 { .lomax = 133000000, .spd = 2, .bs = 3, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 1},
110 { .lomax = 151000000, .spd = 2, .bs = 1, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 0},
111 { .lomax = 154000000, .spd = 2, .bs = 2, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 0},
112 { .lomax = 181000000, .spd = 2, .bs = 2, .bp = 1, .cp = 0, .gc3 = 0, .div1p5 = 0},
113 { .lomax = 185000000, .spd = 2, .bs = 2, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0},
114 { .lomax = 217000000, .spd = 2, .bs = 3, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0},
115 { .lomax = 244000000, .spd = 1, .bs = 2, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 1},
116 { .lomax = 265000000, .spd = 1, .bs = 3, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 1},
117 { .lomax = 302000000, .spd = 1, .bs = 1, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0},
118 { .lomax = 324000000, .spd = 1, .bs = 2, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0},
119 { .lomax = 370000000, .spd = 1, .bs = 2, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 0},
120 { .lomax = 454000000, .spd = 1, .bs = 3, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 0},
121 { .lomax = 493000000, .spd = 0, .bs = 2, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 1},
122 { .lomax = 530000000, .spd = 0, .bs = 3, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 1},
123 { .lomax = 554000000, .spd = 0, .bs = 1, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 0},
124 { .lomax = 604000000, .spd = 0, .bs = 1, .bp = 4, .cp = 0, .gc3 = 0, .div1p5 = 0},
125 { .lomax = 696000000, .spd = 0, .bs = 2, .bp = 4, .cp = 0, .gc3 = 0, .div1p5 = 0},
126 { .lomax = 740000000, .spd = 0, .bs = 2, .bp = 4, .cp = 1, .gc3 = 0, .div1p5 = 0},
127 { .lomax = 820000000, .spd = 0, .bs = 3, .bp = 4, .cp = 0, .gc3 = 0, .div1p5 = 0},
128 { .lomax = 865000000, .spd = 0, .bs = 3, .bp = 4, .cp = 1, .gc3 = 0, .div1p5 = 0},
129 { .lomax = 0, .spd = 0, .bs = 0, .bp = 0, .cp = 0, .gc3 = 0, .div1p5 = 0}
130};
131
Mauro Carvalho Chehab68d5ce72009-02-08 08:34:43 -0300132static int tuner_transfer(struct dvb_frontend *fe,
133 struct i2c_msg *msg,
134 const int size)
135{
136 int rc;
137 struct tda827x_priv *priv = fe->tuner_priv;
138
139 if (fe->ops.i2c_gate_ctrl)
140 fe->ops.i2c_gate_ctrl(fe, 1);
141 rc = i2c_transfer(priv->i2c_adap, msg, size);
142 if (fe->ops.i2c_gate_ctrl)
143 fe->ops.i2c_gate_ctrl(fe, 0);
144
145 if (rc >= 0 && rc != size)
146 return -EIO;
147
148 return rc;
149}
150
Mauro Carvalho Chehab14d24d12011-12-24 12:24:33 -0300151static int tda827xo_set_params(struct dvb_frontend *fe)
Michael Krufky8ce47da2007-04-27 12:31:14 -0300152{
Mauro Carvalho Chehab53ccd1c2011-12-21 08:39:44 -0300153 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
Michael Krufky8ce47da2007-04-27 12:31:14 -0300154 struct tda827x_priv *priv = fe->tuner_priv;
155 u8 buf[14];
Mauro Carvalho Chehab68d5ce72009-02-08 08:34:43 -0300156 int rc;
Michael Krufky8ce47da2007-04-27 12:31:14 -0300157
158 struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = 0,
159 .buf = buf, .len = sizeof(buf) };
160 int i, tuner_freq, if_freq;
161 u32 N;
162
Hartmut Hackmann7bff4b42008-04-22 14:46:08 -0300163 dprintk("%s:\n", __func__);
Mauro Carvalho Chehab53ccd1c2011-12-21 08:39:44 -0300164 if (c->bandwidth_hz == 0) {
Michael Krufky8ce47da2007-04-27 12:31:14 -0300165 if_freq = 5000000;
Mauro Carvalho Chehab53ccd1c2011-12-21 08:39:44 -0300166 } else if (c->bandwidth_hz <= 6000000) {
167 if_freq = 4000000;
Mauro Carvalho Chehab53ccd1c2011-12-21 08:39:44 -0300168 } else if (c->bandwidth_hz <= 7000000) {
169 if_freq = 4500000;
Mauro Carvalho Chehab53ccd1c2011-12-21 08:39:44 -0300170 } else { /* 8 MHz */
171 if_freq = 5000000;
Michael Krufky8ce47da2007-04-27 12:31:14 -0300172 }
Mauro Carvalho Chehab53ccd1c2011-12-21 08:39:44 -0300173 tuner_freq = c->frequency;
Michael Krufky8ce47da2007-04-27 12:31:14 -0300174
175 i = 0;
Michael Krufky746d97322007-08-25 19:08:45 -0300176 while (tda827x_table[i].lomax < tuner_freq) {
177 if (tda827x_table[i + 1].lomax == 0)
Michael Krufky8ce47da2007-04-27 12:31:14 -0300178 break;
179 i++;
180 }
181
Jose Alberto Reguero2d84ca22011-07-16 08:38:13 -0300182 tuner_freq += if_freq;
183
Michael Krufky746d97322007-08-25 19:08:45 -0300184 N = ((tuner_freq + 125000) / 250000) << (tda827x_table[i].spd + 2);
Michael Krufky8ce47da2007-04-27 12:31:14 -0300185 buf[0] = 0;
186 buf[1] = (N>>8) | 0x40;
187 buf[2] = N & 0xff;
188 buf[3] = 0;
189 buf[4] = 0x52;
Michael Krufky746d97322007-08-25 19:08:45 -0300190 buf[5] = (tda827x_table[i].spd << 6) + (tda827x_table[i].div1p5 << 5) +
191 (tda827x_table[i].bs << 3) +
192 tda827x_table[i].bp;
193 buf[6] = (tda827x_table[i].gc3 << 4) + 0x8f;
Michael Krufky8ce47da2007-04-27 12:31:14 -0300194 buf[7] = 0xbf;
195 buf[8] = 0x2a;
196 buf[9] = 0x05;
197 buf[10] = 0xff;
198 buf[11] = 0x00;
199 buf[12] = 0x00;
200 buf[13] = 0x40;
201
202 msg.len = 14;
Mauro Carvalho Chehab68d5ce72009-02-08 08:34:43 -0300203 rc = tuner_transfer(fe, &msg, 1);
204 if (rc < 0)
205 goto err;
206
Michael Krufky8ce47da2007-04-27 12:31:14 -0300207 msleep(500);
208 /* correct CP value */
209 buf[0] = 0x30;
Michael Krufky746d97322007-08-25 19:08:45 -0300210 buf[1] = 0x50 + tda827x_table[i].cp;
Michael Krufky8ce47da2007-04-27 12:31:14 -0300211 msg.len = 2;
212
Mauro Carvalho Chehab68d5ce72009-02-08 08:34:43 -0300213 rc = tuner_transfer(fe, &msg, 1);
214 if (rc < 0)
215 goto err;
Michael Krufky8ce47da2007-04-27 12:31:14 -0300216
Mauro Carvalho Chehab53ccd1c2011-12-21 08:39:44 -0300217 priv->frequency = c->frequency;
Mauro Carvalho Chehabc6f56e72011-12-26 20:02:28 -0300218 priv->bandwidth = c->bandwidth_hz;
Michael Krufky8ce47da2007-04-27 12:31:14 -0300219
220 return 0;
Mauro Carvalho Chehab68d5ce72009-02-08 08:34:43 -0300221
222err:
223 printk(KERN_ERR "%s: could not write to tuner at addr: 0x%02x\n",
224 __func__, priv->i2c_addr << 1);
225 return rc;
Michael Krufky8ce47da2007-04-27 12:31:14 -0300226}
227
228static int tda827xo_sleep(struct dvb_frontend *fe)
229{
230 struct tda827x_priv *priv = fe->tuner_priv;
231 static u8 buf[] = { 0x30, 0xd0 };
232 struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = 0,
233 .buf = buf, .len = sizeof(buf) };
234
Hartmut Hackmann7bff4b42008-04-22 14:46:08 -0300235 dprintk("%s:\n", __func__);
Mauro Carvalho Chehab68d5ce72009-02-08 08:34:43 -0300236 tuner_transfer(fe, &msg, 1);
Michael Krufky8ce47da2007-04-27 12:31:14 -0300237
238 if (priv->cfg && priv->cfg->sleep)
239 priv->cfg->sleep(fe);
240
241 return 0;
242}
243
244/* ------------------------------------------------------------------ */
245
Michael Krufky746d97322007-08-25 19:08:45 -0300246static int tda827xo_set_analog_params(struct dvb_frontend *fe,
247 struct analog_parameters *params)
248{
249 unsigned char tuner_reg[8];
250 unsigned char reg2[2];
251 u32 N;
252 int i;
253 struct tda827x_priv *priv = fe->tuner_priv;
254 struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = 0 };
255 unsigned int freq = params->frequency;
256
Michael Krufky5c82f442007-10-22 01:10:39 -0300257 tda827x_set_std(fe, params);
258
Michael Krufky746d97322007-08-25 19:08:45 -0300259 if (params->mode == V4L2_TUNER_RADIO)
260 freq = freq / 1000;
261
Michael Krufky5c82f442007-10-22 01:10:39 -0300262 N = freq + priv->sgIF;
Michael Krufky746d97322007-08-25 19:08:45 -0300263
264 i = 0;
265 while (tda827x_table[i].lomax < N * 62500) {
266 if (tda827x_table[i + 1].lomax == 0)
267 break;
268 i++;
269 }
270
271 N = N << tda827x_table[i].spd;
272
273 tuner_reg[0] = 0;
274 tuner_reg[1] = (unsigned char)(N>>8);
275 tuner_reg[2] = (unsigned char) N;
276 tuner_reg[3] = 0x40;
Michael Krufky5c82f442007-10-22 01:10:39 -0300277 tuner_reg[4] = 0x52 + (priv->lpsel << 5);
Michael Krufky746d97322007-08-25 19:08:45 -0300278 tuner_reg[5] = (tda827x_table[i].spd << 6) +
279 (tda827x_table[i].div1p5 << 5) +
280 (tda827x_table[i].bs << 3) + tda827x_table[i].bp;
281 tuner_reg[6] = 0x8f + (tda827x_table[i].gc3 << 4);
282 tuner_reg[7] = 0x8f;
283
284 msg.buf = tuner_reg;
285 msg.len = 8;
Mauro Carvalho Chehab68d5ce72009-02-08 08:34:43 -0300286 tuner_transfer(fe, &msg, 1);
Michael Krufky746d97322007-08-25 19:08:45 -0300287
288 msg.buf = reg2;
289 msg.len = 2;
290 reg2[0] = 0x80;
291 reg2[1] = 0;
Mauro Carvalho Chehab68d5ce72009-02-08 08:34:43 -0300292 tuner_transfer(fe, &msg, 1);
Michael Krufky746d97322007-08-25 19:08:45 -0300293
294 reg2[0] = 0x60;
295 reg2[1] = 0xbf;
Mauro Carvalho Chehab68d5ce72009-02-08 08:34:43 -0300296 tuner_transfer(fe, &msg, 1);
Michael Krufky746d97322007-08-25 19:08:45 -0300297
298 reg2[0] = 0x30;
299 reg2[1] = tuner_reg[4] + 0x80;
Mauro Carvalho Chehab68d5ce72009-02-08 08:34:43 -0300300 tuner_transfer(fe, &msg, 1);
Michael Krufky746d97322007-08-25 19:08:45 -0300301
302 msleep(1);
303 reg2[0] = 0x30;
304 reg2[1] = tuner_reg[4] + 4;
Mauro Carvalho Chehab68d5ce72009-02-08 08:34:43 -0300305 tuner_transfer(fe, &msg, 1);
Michael Krufky746d97322007-08-25 19:08:45 -0300306
307 msleep(1);
308 reg2[0] = 0x30;
309 reg2[1] = tuner_reg[4];
Mauro Carvalho Chehab68d5ce72009-02-08 08:34:43 -0300310 tuner_transfer(fe, &msg, 1);
Michael Krufky746d97322007-08-25 19:08:45 -0300311
312 msleep(550);
313 reg2[0] = 0x30;
314 reg2[1] = (tuner_reg[4] & 0xfc) + tda827x_table[i].cp;
Mauro Carvalho Chehab68d5ce72009-02-08 08:34:43 -0300315 tuner_transfer(fe, &msg, 1);
Michael Krufky746d97322007-08-25 19:08:45 -0300316
317 reg2[0] = 0x60;
318 reg2[1] = 0x3f;
Mauro Carvalho Chehab68d5ce72009-02-08 08:34:43 -0300319 tuner_transfer(fe, &msg, 1);
Michael Krufky746d97322007-08-25 19:08:45 -0300320
321 reg2[0] = 0x80;
322 reg2[1] = 0x08; /* Vsync en */
Mauro Carvalho Chehab68d5ce72009-02-08 08:34:43 -0300323 tuner_transfer(fe, &msg, 1);
Michael Krufky746d97322007-08-25 19:08:45 -0300324
Mauro Carvalho Chehab92d90f12008-12-08 00:49:33 -0300325 priv->frequency = params->frequency;
Michael Krufky746d97322007-08-25 19:08:45 -0300326
327 return 0;
328}
329
330static void tda827xo_agcf(struct dvb_frontend *fe)
331{
332 struct tda827x_priv *priv = fe->tuner_priv;
333 unsigned char data[] = { 0x80, 0x0c };
334 struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = 0,
335 .buf = data, .len = 2};
336
Mauro Carvalho Chehab68d5ce72009-02-08 08:34:43 -0300337 tuner_transfer(fe, &msg, 1);
Michael Krufky746d97322007-08-25 19:08:45 -0300338}
339
340/* ------------------------------------------------------------------ */
341
Michael Krufky8ce47da2007-04-27 12:31:14 -0300342struct tda827xa_data {
343 u32 lomax;
344 u8 svco;
345 u8 spd;
346 u8 scr;
347 u8 sbs;
348 u8 gc3;
349};
350
klaas de waalcf47d872009-03-25 17:53:02 -0300351static struct tda827xa_data tda827xa_dvbt[] = {
Michael Krufky8ce47da2007-04-27 12:31:14 -0300352 { .lomax = 56875000, .svco = 3, .spd = 4, .scr = 0, .sbs = 0, .gc3 = 1},
353 { .lomax = 67250000, .svco = 0, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 1},
354 { .lomax = 81250000, .svco = 1, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 1},
355 { .lomax = 97500000, .svco = 2, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 1},
356 { .lomax = 113750000, .svco = 3, .spd = 3, .scr = 0, .sbs = 1, .gc3 = 1},
357 { .lomax = 134500000, .svco = 0, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1},
358 { .lomax = 154000000, .svco = 1, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1},
359 { .lomax = 162500000, .svco = 1, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1},
360 { .lomax = 183000000, .svco = 2, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1},
361 { .lomax = 195000000, .svco = 2, .spd = 2, .scr = 0, .sbs = 2, .gc3 = 1},
362 { .lomax = 227500000, .svco = 3, .spd = 2, .scr = 0, .sbs = 2, .gc3 = 1},
363 { .lomax = 269000000, .svco = 0, .spd = 1, .scr = 0, .sbs = 2, .gc3 = 1},
364 { .lomax = 290000000, .svco = 1, .spd = 1, .scr = 0, .sbs = 2, .gc3 = 1},
365 { .lomax = 325000000, .svco = 1, .spd = 1, .scr = 0, .sbs = 3, .gc3 = 1},
366 { .lomax = 390000000, .svco = 2, .spd = 1, .scr = 0, .sbs = 3, .gc3 = 1},
367 { .lomax = 455000000, .svco = 3, .spd = 1, .scr = 0, .sbs = 3, .gc3 = 1},
368 { .lomax = 520000000, .svco = 0, .spd = 0, .scr = 0, .sbs = 3, .gc3 = 1},
369 { .lomax = 538000000, .svco = 0, .spd = 0, .scr = 1, .sbs = 3, .gc3 = 1},
370 { .lomax = 550000000, .svco = 1, .spd = 0, .scr = 0, .sbs = 3, .gc3 = 1},
371 { .lomax = 620000000, .svco = 1, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0},
372 { .lomax = 650000000, .svco = 1, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0},
373 { .lomax = 700000000, .svco = 2, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0},
374 { .lomax = 780000000, .svco = 2, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0},
375 { .lomax = 820000000, .svco = 3, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0},
376 { .lomax = 870000000, .svco = 3, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0},
377 { .lomax = 911000000, .svco = 3, .spd = 0, .scr = 2, .sbs = 4, .gc3 = 0},
378 { .lomax = 0, .svco = 0, .spd = 0, .scr = 0, .sbs = 0, .gc3 = 0}
379};
380
klaas de waalcf47d872009-03-25 17:53:02 -0300381static struct tda827xa_data tda827xa_dvbc[] = {
382 { .lomax = 50125000, .svco = 2, .spd = 4, .scr = 2, .sbs = 0, .gc3 = 3},
383 { .lomax = 58500000, .svco = 3, .spd = 4, .scr = 2, .sbs = 0, .gc3 = 3},
384 { .lomax = 69250000, .svco = 0, .spd = 3, .scr = 2, .sbs = 0, .gc3 = 3},
385 { .lomax = 83625000, .svco = 1, .spd = 3, .scr = 2, .sbs = 0, .gc3 = 3},
386 { .lomax = 97500000, .svco = 2, .spd = 3, .scr = 2, .sbs = 0, .gc3 = 3},
387 { .lomax = 100250000, .svco = 2, .spd = 3, .scr = 2, .sbs = 1, .gc3 = 1},
388 { .lomax = 117000000, .svco = 3, .spd = 3, .scr = 2, .sbs = 1, .gc3 = 1},
389 { .lomax = 138500000, .svco = 0, .spd = 2, .scr = 2, .sbs = 1, .gc3 = 1},
390 { .lomax = 167250000, .svco = 1, .spd = 2, .scr = 2, .sbs = 1, .gc3 = 1},
391 { .lomax = 187000000, .svco = 2, .spd = 2, .scr = 2, .sbs = 1, .gc3 = 1},
392 { .lomax = 200500000, .svco = 2, .spd = 2, .scr = 2, .sbs = 2, .gc3 = 1},
393 { .lomax = 234000000, .svco = 3, .spd = 2, .scr = 2, .sbs = 2, .gc3 = 3},
394 { .lomax = 277000000, .svco = 0, .spd = 1, .scr = 2, .sbs = 2, .gc3 = 3},
395 { .lomax = 325000000, .svco = 1, .spd = 1, .scr = 2, .sbs = 2, .gc3 = 1},
396 { .lomax = 334500000, .svco = 1, .spd = 1, .scr = 2, .sbs = 3, .gc3 = 3},
397 { .lomax = 401000000, .svco = 2, .spd = 1, .scr = 2, .sbs = 3, .gc3 = 3},
398 { .lomax = 468000000, .svco = 3, .spd = 1, .scr = 2, .sbs = 3, .gc3 = 1},
399 { .lomax = 535000000, .svco = 0, .spd = 0, .scr = 1, .sbs = 3, .gc3 = 1},
400 { .lomax = 554000000, .svco = 0, .spd = 0, .scr = 2, .sbs = 3, .gc3 = 1},
401 { .lomax = 638000000, .svco = 1, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 1},
402 { .lomax = 669000000, .svco = 1, .spd = 0, .scr = 2, .sbs = 4, .gc3 = 1},
403 { .lomax = 720000000, .svco = 2, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 1},
404 { .lomax = 802000000, .svco = 2, .spd = 0, .scr = 2, .sbs = 4, .gc3 = 1},
405 { .lomax = 835000000, .svco = 3, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 1},
406 { .lomax = 885000000, .svco = 3, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 1},
407 { .lomax = 911000000, .svco = 3, .spd = 0, .scr = 2, .sbs = 4, .gc3 = 1},
408 { .lomax = 0, .svco = 0, .spd = 0, .scr = 0, .sbs = 0, .gc3 = 0}
409};
410
Michael Krufky746d97322007-08-25 19:08:45 -0300411static struct tda827xa_data tda827xa_analog[] = {
412 { .lomax = 56875000, .svco = 3, .spd = 4, .scr = 0, .sbs = 0, .gc3 = 3},
413 { .lomax = 67250000, .svco = 0, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 3},
414 { .lomax = 81250000, .svco = 1, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 3},
415 { .lomax = 97500000, .svco = 2, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 3},
416 { .lomax = 113750000, .svco = 3, .spd = 3, .scr = 0, .sbs = 1, .gc3 = 1},
417 { .lomax = 134500000, .svco = 0, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1},
418 { .lomax = 154000000, .svco = 1, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1},
419 { .lomax = 162500000, .svco = 1, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1},
420 { .lomax = 183000000, .svco = 2, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1},
421 { .lomax = 195000000, .svco = 2, .spd = 2, .scr = 0, .sbs = 2, .gc3 = 1},
422 { .lomax = 227500000, .svco = 3, .spd = 2, .scr = 0, .sbs = 2, .gc3 = 3},
423 { .lomax = 269000000, .svco = 0, .spd = 1, .scr = 0, .sbs = 2, .gc3 = 3},
424 { .lomax = 325000000, .svco = 1, .spd = 1, .scr = 0, .sbs = 2, .gc3 = 1},
425 { .lomax = 390000000, .svco = 2, .spd = 1, .scr = 0, .sbs = 3, .gc3 = 3},
426 { .lomax = 455000000, .svco = 3, .spd = 1, .scr = 0, .sbs = 3, .gc3 = 3},
427 { .lomax = 520000000, .svco = 0, .spd = 0, .scr = 0, .sbs = 3, .gc3 = 1},
428 { .lomax = 538000000, .svco = 0, .spd = 0, .scr = 1, .sbs = 3, .gc3 = 1},
429 { .lomax = 554000000, .svco = 1, .spd = 0, .scr = 0, .sbs = 3, .gc3 = 1},
430 { .lomax = 620000000, .svco = 1, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0},
431 { .lomax = 650000000, .svco = 1, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0},
432 { .lomax = 700000000, .svco = 2, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0},
433 { .lomax = 780000000, .svco = 2, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0},
434 { .lomax = 820000000, .svco = 3, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0},
435 { .lomax = 870000000, .svco = 3, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0},
436 { .lomax = 911000000, .svco = 3, .spd = 0, .scr = 2, .sbs = 4, .gc3 = 0},
437 { .lomax = 0, .svco = 0, .spd = 0, .scr = 0, .sbs = 0, .gc3 = 0}
438};
439
Hartmut Hackmann7bff4b42008-04-22 14:46:08 -0300440static int tda827xa_sleep(struct dvb_frontend *fe)
441{
442 struct tda827x_priv *priv = fe->tuner_priv;
443 static u8 buf[] = { 0x30, 0x90 };
444 struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = 0,
445 .buf = buf, .len = sizeof(buf) };
446
447 dprintk("%s:\n", __func__);
Hartmut Hackmann7bff4b42008-04-22 14:46:08 -0300448
Mauro Carvalho Chehab68d5ce72009-02-08 08:34:43 -0300449 tuner_transfer(fe, &msg, 1);
Hartmut Hackmann7bff4b42008-04-22 14:46:08 -0300450
451 if (priv->cfg && priv->cfg->sleep)
452 priv->cfg->sleep(fe);
453
454 return 0;
455}
456
457static void tda827xa_lna_gain(struct dvb_frontend *fe, int high,
458 struct analog_parameters *params)
459{
460 struct tda827x_priv *priv = fe->tuner_priv;
461 unsigned char buf[] = {0x22, 0x01};
462 int arg;
463 int gp_func;
Sigmund Augdal67642a02008-06-05 12:53:08 -0300464 struct i2c_msg msg = { .flags = 0, .buf = buf, .len = sizeof(buf) };
Hartmut Hackmann7bff4b42008-04-22 14:46:08 -0300465
466 if (NULL == priv->cfg) {
467 dprintk("tda827x_config not defined, cannot set LNA gain!\n");
468 return;
469 }
Sigmund Augdal67642a02008-06-05 12:53:08 -0300470 msg.addr = priv->cfg->switch_addr;
Hartmut Hackmann7bff4b42008-04-22 14:46:08 -0300471 if (priv->cfg->config) {
472 if (high)
473 dprintk("setting LNA to high gain\n");
474 else
475 dprintk("setting LNA to low gain\n");
476 }
477 switch (priv->cfg->config) {
Ondrej Zary1bacb2d2013-04-06 14:29:29 -0300478 case TDA8290_LNA_OFF: /* no LNA */
Hartmut Hackmann7bff4b42008-04-22 14:46:08 -0300479 break;
Ondrej Zary1bacb2d2013-04-06 14:29:29 -0300480 case TDA8290_LNA_GP0_HIGH_ON: /* switch is GPIO 0 of tda8290 */
481 case TDA8290_LNA_GP0_HIGH_OFF:
Hartmut Hackmann7bff4b42008-04-22 14:46:08 -0300482 if (params == NULL) {
483 gp_func = 0;
484 arg = 0;
485 } else {
486 /* turn Vsync on */
487 gp_func = 1;
488 if (params->std & V4L2_STD_MN)
489 arg = 1;
490 else
491 arg = 0;
492 }
Michael Krufkyd7cba042008-09-12 13:31:45 -0300493 if (fe->callback)
494 fe->callback(priv->i2c_adap->algo_data,
495 DVB_FRONTEND_COMPONENT_TUNER,
496 gp_func, arg);
Hartmut Hackmann7bff4b42008-04-22 14:46:08 -0300497 buf[1] = high ? 0 : 1;
Ondrej Zary1bacb2d2013-04-06 14:29:29 -0300498 if (priv->cfg->config == TDA8290_LNA_GP0_HIGH_OFF)
Hartmut Hackmann7bff4b42008-04-22 14:46:08 -0300499 buf[1] = high ? 1 : 0;
Mauro Carvalho Chehab68d5ce72009-02-08 08:34:43 -0300500 tuner_transfer(fe, &msg, 1);
Hartmut Hackmann7bff4b42008-04-22 14:46:08 -0300501 break;
Ondrej Zary1bacb2d2013-04-06 14:29:29 -0300502 case TDA8290_LNA_ON_BRIDGE: /* switch with GPIO of saa713x */
Michael Krufkyd7cba042008-09-12 13:31:45 -0300503 if (fe->callback)
504 fe->callback(priv->i2c_adap->algo_data,
505 DVB_FRONTEND_COMPONENT_TUNER, 0, high);
Hartmut Hackmann7bff4b42008-04-22 14:46:08 -0300506 break;
507 }
508}
509
Mauro Carvalho Chehab14d24d12011-12-24 12:24:33 -0300510static int tda827xa_set_params(struct dvb_frontend *fe)
Michael Krufky8ce47da2007-04-27 12:31:14 -0300511{
Mauro Carvalho Chehab53ccd1c2011-12-21 08:39:44 -0300512 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
Michael Krufky8ce47da2007-04-27 12:31:14 -0300513 struct tda827x_priv *priv = fe->tuner_priv;
klaas de waalcf47d872009-03-25 17:53:02 -0300514 struct tda827xa_data *frequency_map = tda827xa_dvbt;
Hartmut Hackmannede22002007-04-27 12:31:32 -0300515 u8 buf[11];
Michael Krufky8ce47da2007-04-27 12:31:14 -0300516
517 struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = 0,
518 .buf = buf, .len = sizeof(buf) };
519
Mauro Carvalho Chehab68d5ce72009-02-08 08:34:43 -0300520 int i, tuner_freq, if_freq, rc;
Michael Krufky8ce47da2007-04-27 12:31:14 -0300521 u32 N;
522
Hartmut Hackmann7bff4b42008-04-22 14:46:08 -0300523 dprintk("%s:\n", __func__);
524
525 tda827xa_lna_gain(fe, 1, NULL);
Michael Krufky8ce47da2007-04-27 12:31:14 -0300526 msleep(20);
527
Mauro Carvalho Chehab53ccd1c2011-12-21 08:39:44 -0300528 if (c->bandwidth_hz == 0) {
Michael Krufky8ce47da2007-04-27 12:31:14 -0300529 if_freq = 5000000;
Mauro Carvalho Chehab53ccd1c2011-12-21 08:39:44 -0300530 } else if (c->bandwidth_hz <= 6000000) {
531 if_freq = 4000000;
Mauro Carvalho Chehab53ccd1c2011-12-21 08:39:44 -0300532 } else if (c->bandwidth_hz <= 7000000) {
533 if_freq = 4500000;
Mauro Carvalho Chehab53ccd1c2011-12-21 08:39:44 -0300534 } else { /* 8 MHz */
535 if_freq = 5000000;
Michael Krufky8ce47da2007-04-27 12:31:14 -0300536 }
Mauro Carvalho Chehab53ccd1c2011-12-21 08:39:44 -0300537 tuner_freq = c->frequency;
Michael Krufky8ce47da2007-04-27 12:31:14 -0300538
Mauro Carvalho Chehab6225f182012-01-04 23:10:19 -0200539 switch (c->delivery_system) {
540 case SYS_DVBC_ANNEX_A:
541 case SYS_DVBC_ANNEX_C:
klaas de waalcf47d872009-03-25 17:53:02 -0300542 dprintk("%s select tda827xa_dvbc\n", __func__);
543 frequency_map = tda827xa_dvbc;
Mauro Carvalho Chehab6225f182012-01-04 23:10:19 -0200544 break;
545 default:
546 break;
klaas de waalcf47d872009-03-25 17:53:02 -0300547 }
548
Michael Krufky8ce47da2007-04-27 12:31:14 -0300549 i = 0;
klaas de waalcf47d872009-03-25 17:53:02 -0300550 while (frequency_map[i].lomax < tuner_freq) {
551 if (frequency_map[i + 1].lomax == 0)
Michael Krufky8ce47da2007-04-27 12:31:14 -0300552 break;
553 i++;
554 }
555
Jose Alberto Reguero2d84ca22011-07-16 08:38:13 -0300556 tuner_freq += if_freq;
557
klaas de waalcf47d872009-03-25 17:53:02 -0300558 N = ((tuner_freq + 31250) / 62500) << frequency_map[i].spd;
Michael Krufky8ce47da2007-04-27 12:31:14 -0300559 buf[0] = 0; // subaddress
560 buf[1] = N >> 8;
561 buf[2] = N & 0xff;
562 buf[3] = 0;
563 buf[4] = 0x16;
klaas de waalcf47d872009-03-25 17:53:02 -0300564 buf[5] = (frequency_map[i].spd << 5) + (frequency_map[i].svco << 3) +
565 frequency_map[i].sbs;
566 buf[6] = 0x4b + (frequency_map[i].gc3 << 4);
Michael Krufky8ce47da2007-04-27 12:31:14 -0300567 buf[7] = 0x1c;
568 buf[8] = 0x06;
569 buf[9] = 0x24;
570 buf[10] = 0x00;
571 msg.len = 11;
Mauro Carvalho Chehab68d5ce72009-02-08 08:34:43 -0300572 rc = tuner_transfer(fe, &msg, 1);
573 if (rc < 0)
574 goto err;
575
Michael Krufky8ce47da2007-04-27 12:31:14 -0300576 buf[0] = 0x90;
577 buf[1] = 0xff;
578 buf[2] = 0x60;
579 buf[3] = 0x00;
580 buf[4] = 0x59; // lpsel, for 6MHz + 2
581 msg.len = 5;
Mauro Carvalho Chehab68d5ce72009-02-08 08:34:43 -0300582 rc = tuner_transfer(fe, &msg, 1);
583 if (rc < 0)
584 goto err;
Michael Krufky8ce47da2007-04-27 12:31:14 -0300585
586 buf[0] = 0xa0;
587 buf[1] = 0x40;
588 msg.len = 2;
Mauro Carvalho Chehab68d5ce72009-02-08 08:34:43 -0300589 rc = tuner_transfer(fe, &msg, 1);
590 if (rc < 0)
591 goto err;
Michael Krufky8ce47da2007-04-27 12:31:14 -0300592
593 msleep(11);
594 msg.flags = I2C_M_RD;
Mauro Carvalho Chehab68d5ce72009-02-08 08:34:43 -0300595 rc = tuner_transfer(fe, &msg, 1);
596 if (rc < 0)
597 goto err;
Michael Krufky8ce47da2007-04-27 12:31:14 -0300598 msg.flags = 0;
599
600 buf[1] >>= 4;
601 dprintk("tda8275a AGC2 gain is: %d\n", buf[1]);
602 if ((buf[1]) < 2) {
Hartmut Hackmann7bff4b42008-04-22 14:46:08 -0300603 tda827xa_lna_gain(fe, 0, NULL);
Michael Krufky8ce47da2007-04-27 12:31:14 -0300604 buf[0] = 0x60;
605 buf[1] = 0x0c;
Mauro Carvalho Chehab68d5ce72009-02-08 08:34:43 -0300606 rc = tuner_transfer(fe, &msg, 1);
607 if (rc < 0)
608 goto err;
Michael Krufky8ce47da2007-04-27 12:31:14 -0300609 }
610
611 buf[0] = 0xc0;
612 buf[1] = 0x99; // lpsel, for 6MHz + 2
Mauro Carvalho Chehab68d5ce72009-02-08 08:34:43 -0300613 rc = tuner_transfer(fe, &msg, 1);
614 if (rc < 0)
615 goto err;
Michael Krufky8ce47da2007-04-27 12:31:14 -0300616
617 buf[0] = 0x60;
618 buf[1] = 0x3c;
Mauro Carvalho Chehab68d5ce72009-02-08 08:34:43 -0300619 rc = tuner_transfer(fe, &msg, 1);
620 if (rc < 0)
621 goto err;
Michael Krufky8ce47da2007-04-27 12:31:14 -0300622
623 /* correct CP value */
624 buf[0] = 0x30;
klaas de waalcf47d872009-03-25 17:53:02 -0300625 buf[1] = 0x10 + frequency_map[i].scr;
Mauro Carvalho Chehab68d5ce72009-02-08 08:34:43 -0300626 rc = tuner_transfer(fe, &msg, 1);
627 if (rc < 0)
628 goto err;
Michael Krufky8ce47da2007-04-27 12:31:14 -0300629
630 msleep(163);
631 buf[0] = 0xc0;
632 buf[1] = 0x39; // lpsel, for 6MHz + 2
Mauro Carvalho Chehab68d5ce72009-02-08 08:34:43 -0300633 rc = tuner_transfer(fe, &msg, 1);
634 if (rc < 0)
635 goto err;
Michael Krufky8ce47da2007-04-27 12:31:14 -0300636
637 msleep(3);
638 /* freeze AGC1 */
639 buf[0] = 0x50;
klaas de waalcf47d872009-03-25 17:53:02 -0300640 buf[1] = 0x4f + (frequency_map[i].gc3 << 4);
Mauro Carvalho Chehab68d5ce72009-02-08 08:34:43 -0300641 rc = tuner_transfer(fe, &msg, 1);
642 if (rc < 0)
643 goto err;
Michael Krufky8ce47da2007-04-27 12:31:14 -0300644
Mauro Carvalho Chehab53ccd1c2011-12-21 08:39:44 -0300645 priv->frequency = c->frequency;
Mauro Carvalho Chehabc6f56e72011-12-26 20:02:28 -0300646 priv->bandwidth = c->bandwidth_hz;
Mauro Carvalho Chehab68d5ce72009-02-08 08:34:43 -0300647
Michael Krufky8ce47da2007-04-27 12:31:14 -0300648 return 0;
Mauro Carvalho Chehab68d5ce72009-02-08 08:34:43 -0300649
650err:
651 printk(KERN_ERR "%s: could not write to tuner at addr: 0x%02x\n",
652 __func__, priv->i2c_addr << 1);
653 return rc;
Michael Krufky8ce47da2007-04-27 12:31:14 -0300654}
655
Michael Krufky746d97322007-08-25 19:08:45 -0300656
657static int tda827xa_set_analog_params(struct dvb_frontend *fe,
658 struct analog_parameters *params)
659{
660 unsigned char tuner_reg[11];
661 u32 N;
662 int i;
663 struct tda827x_priv *priv = fe->tuner_priv;
664 struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = 0,
665 .buf = tuner_reg, .len = sizeof(tuner_reg) };
666 unsigned int freq = params->frequency;
667
Michael Krufky5c82f442007-10-22 01:10:39 -0300668 tda827x_set_std(fe, params);
669
Michael Krufky746d97322007-08-25 19:08:45 -0300670 tda827xa_lna_gain(fe, 1, params);
671 msleep(10);
672
673 if (params->mode == V4L2_TUNER_RADIO)
674 freq = freq / 1000;
675
Michael Krufky5c82f442007-10-22 01:10:39 -0300676 N = freq + priv->sgIF;
Michael Krufky746d97322007-08-25 19:08:45 -0300677
678 i = 0;
679 while (tda827xa_analog[i].lomax < N * 62500) {
680 if (tda827xa_analog[i + 1].lomax == 0)
681 break;
682 i++;
683 }
684
685 N = N << tda827xa_analog[i].spd;
686
687 tuner_reg[0] = 0;
688 tuner_reg[1] = (unsigned char)(N>>8);
689 tuner_reg[2] = (unsigned char) N;
690 tuner_reg[3] = 0;
691 tuner_reg[4] = 0x16;
692 tuner_reg[5] = (tda827xa_analog[i].spd << 5) +
693 (tda827xa_analog[i].svco << 3) +
694 tda827xa_analog[i].sbs;
695 tuner_reg[6] = 0x8b + (tda827xa_analog[i].gc3 << 4);
696 tuner_reg[7] = 0x1c;
697 tuner_reg[8] = 4;
698 tuner_reg[9] = 0x20;
699 tuner_reg[10] = 0x00;
700 msg.len = 11;
Mauro Carvalho Chehab68d5ce72009-02-08 08:34:43 -0300701 tuner_transfer(fe, &msg, 1);
Michael Krufky746d97322007-08-25 19:08:45 -0300702
703 tuner_reg[0] = 0x90;
704 tuner_reg[1] = 0xff;
705 tuner_reg[2] = 0xe0;
706 tuner_reg[3] = 0;
Michael Krufky5c82f442007-10-22 01:10:39 -0300707 tuner_reg[4] = 0x99 + (priv->lpsel << 1);
Michael Krufky746d97322007-08-25 19:08:45 -0300708 msg.len = 5;
Mauro Carvalho Chehab68d5ce72009-02-08 08:34:43 -0300709 tuner_transfer(fe, &msg, 1);
Michael Krufky746d97322007-08-25 19:08:45 -0300710
711 tuner_reg[0] = 0xa0;
712 tuner_reg[1] = 0xc0;
713 msg.len = 2;
Mauro Carvalho Chehab68d5ce72009-02-08 08:34:43 -0300714 tuner_transfer(fe, &msg, 1);
Michael Krufky746d97322007-08-25 19:08:45 -0300715
716 tuner_reg[0] = 0x30;
717 tuner_reg[1] = 0x10 + tda827xa_analog[i].scr;
Mauro Carvalho Chehab68d5ce72009-02-08 08:34:43 -0300718 tuner_transfer(fe, &msg, 1);
Michael Krufky746d97322007-08-25 19:08:45 -0300719
720 msg.flags = I2C_M_RD;
Mauro Carvalho Chehab68d5ce72009-02-08 08:34:43 -0300721 tuner_transfer(fe, &msg, 1);
Michael Krufky746d97322007-08-25 19:08:45 -0300722 msg.flags = 0;
723 tuner_reg[1] >>= 4;
724 dprintk("AGC2 gain is: %d\n", tuner_reg[1]);
725 if (tuner_reg[1] < 1)
726 tda827xa_lna_gain(fe, 0, params);
727
728 msleep(100);
729 tuner_reg[0] = 0x60;
730 tuner_reg[1] = 0x3c;
Mauro Carvalho Chehab68d5ce72009-02-08 08:34:43 -0300731 tuner_transfer(fe, &msg, 1);
Michael Krufky746d97322007-08-25 19:08:45 -0300732
733 msleep(163);
734 tuner_reg[0] = 0x50;
735 tuner_reg[1] = 0x8f + (tda827xa_analog[i].gc3 << 4);
Mauro Carvalho Chehab68d5ce72009-02-08 08:34:43 -0300736 tuner_transfer(fe, &msg, 1);
Michael Krufky746d97322007-08-25 19:08:45 -0300737
738 tuner_reg[0] = 0x80;
739 tuner_reg[1] = 0x28;
Mauro Carvalho Chehab68d5ce72009-02-08 08:34:43 -0300740 tuner_transfer(fe, &msg, 1);
Michael Krufky746d97322007-08-25 19:08:45 -0300741
742 tuner_reg[0] = 0xb0;
743 tuner_reg[1] = 0x01;
Mauro Carvalho Chehab68d5ce72009-02-08 08:34:43 -0300744 tuner_transfer(fe, &msg, 1);
Michael Krufky746d97322007-08-25 19:08:45 -0300745
746 tuner_reg[0] = 0xc0;
Michael Krufky5c82f442007-10-22 01:10:39 -0300747 tuner_reg[1] = 0x19 + (priv->lpsel << 1);
Mauro Carvalho Chehab68d5ce72009-02-08 08:34:43 -0300748 tuner_transfer(fe, &msg, 1);
Michael Krufky746d97322007-08-25 19:08:45 -0300749
Mauro Carvalho Chehab92d90f12008-12-08 00:49:33 -0300750 priv->frequency = params->frequency;
Michael Krufky746d97322007-08-25 19:08:45 -0300751
752 return 0;
753}
754
755static void tda827xa_agcf(struct dvb_frontend *fe)
756{
757 struct tda827x_priv *priv = fe->tuner_priv;
758 unsigned char data[] = {0x80, 0x2c};
759 struct i2c_msg msg = {.addr = priv->i2c_addr, .flags = 0,
760 .buf = data, .len = 2};
Mauro Carvalho Chehab68d5ce72009-02-08 08:34:43 -0300761 tuner_transfer(fe, &msg, 1);
Michael Krufky746d97322007-08-25 19:08:45 -0300762}
763
764/* ------------------------------------------------------------------ */
765
Mauro Carvalho Chehabf2709c22016-11-18 20:30:51 -0200766static void tda827x_release(struct dvb_frontend *fe)
767{
768 kfree(fe->tuner_priv);
769 fe->tuner_priv = NULL;
770}
771
Michael Krufky8ce47da2007-04-27 12:31:14 -0300772static int tda827x_get_frequency(struct dvb_frontend *fe, u32 *frequency)
773{
774 struct tda827x_priv *priv = fe->tuner_priv;
775 *frequency = priv->frequency;
776 return 0;
777}
778
779static int tda827x_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth)
780{
781 struct tda827x_priv *priv = fe->tuner_priv;
782 *bandwidth = priv->bandwidth;
783 return 0;
784}
785
786static int tda827x_init(struct dvb_frontend *fe)
787{
788 struct tda827x_priv *priv = fe->tuner_priv;
Hartmut Hackmann7bff4b42008-04-22 14:46:08 -0300789 dprintk("%s:\n", __func__);
Michael Krufky8ce47da2007-04-27 12:31:14 -0300790 if (priv->cfg && priv->cfg->init)
791 priv->cfg->init(fe);
792
793 return 0;
794}
795
Hartmut Hackmann9971f4f2007-03-23 21:00:07 -0300796static int tda827x_probe_version(struct dvb_frontend *fe);
797
798static int tda827x_initial_init(struct dvb_frontend *fe)
799{
800 int ret;
801 ret = tda827x_probe_version(fe);
802 if (ret)
803 return ret;
804 return fe->ops.tuner_ops.init(fe);
805}
806
807static int tda827x_initial_sleep(struct dvb_frontend *fe)
808{
809 int ret;
810 ret = tda827x_probe_version(fe);
811 if (ret)
812 return ret;
813 return fe->ops.tuner_ops.sleep(fe);
814}
Michael Krufky8ce47da2007-04-27 12:31:14 -0300815
Julia Lawall96105142016-09-11 11:44:13 -0300816static const struct dvb_tuner_ops tda827xo_tuner_ops = {
Michael Krufky8ce47da2007-04-27 12:31:14 -0300817 .info = {
818 .name = "Philips TDA827X",
Hartmut Hackmann11f65102007-04-27 12:31:15 -0300819 .frequency_min = 55000000,
820 .frequency_max = 860000000,
821 .frequency_step = 250000
Michael Krufky8ce47da2007-04-27 12:31:14 -0300822 },
Mauro Carvalho Chehabf2709c22016-11-18 20:30:51 -0200823 .release = tda827x_release,
Hartmut Hackmann9971f4f2007-03-23 21:00:07 -0300824 .init = tda827x_initial_init,
825 .sleep = tda827x_initial_sleep,
Michael Krufky8ce47da2007-04-27 12:31:14 -0300826 .set_params = tda827xo_set_params,
Michael Krufky746d97322007-08-25 19:08:45 -0300827 .set_analog_params = tda827xo_set_analog_params,
Michael Krufky8ce47da2007-04-27 12:31:14 -0300828 .get_frequency = tda827x_get_frequency,
829 .get_bandwidth = tda827x_get_bandwidth,
830};
831
Julia Lawall96105142016-09-11 11:44:13 -0300832static const struct dvb_tuner_ops tda827xa_tuner_ops = {
Michael Krufky8ce47da2007-04-27 12:31:14 -0300833 .info = {
834 .name = "Philips TDA827XA",
Hartmut Hackmann11f65102007-04-27 12:31:15 -0300835 .frequency_min = 44000000,
836 .frequency_max = 906000000,
837 .frequency_step = 62500
Michael Krufky8ce47da2007-04-27 12:31:14 -0300838 },
Mauro Carvalho Chehabf2709c22016-11-18 20:30:51 -0200839 .release = tda827x_release,
Michael Krufky8ce47da2007-04-27 12:31:14 -0300840 .init = tda827x_init,
841 .sleep = tda827xa_sleep,
842 .set_params = tda827xa_set_params,
Michael Krufky746d97322007-08-25 19:08:45 -0300843 .set_analog_params = tda827xa_set_analog_params,
Michael Krufky8ce47da2007-04-27 12:31:14 -0300844 .get_frequency = tda827x_get_frequency,
845 .get_bandwidth = tda827x_get_bandwidth,
846};
847
Hartmut Hackmann9971f4f2007-03-23 21:00:07 -0300848static int tda827x_probe_version(struct dvb_frontend *fe)
Mauro Carvalho Chehab68d5ce72009-02-08 08:34:43 -0300849{
850 u8 data;
851 int rc;
Hartmut Hackmann9971f4f2007-03-23 21:00:07 -0300852 struct tda827x_priv *priv = fe->tuner_priv;
853 struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = I2C_M_RD,
854 .buf = &data, .len = 1 };
Mauro Carvalho Chehab68d5ce72009-02-08 08:34:43 -0300855
856 rc = tuner_transfer(fe, &msg, 1);
857
858 if (rc < 0) {
Hartmut Hackmann9971f4f2007-03-23 21:00:07 -0300859 printk("%s: could not read from tuner at addr: 0x%02x\n",
Hartmut Hackmann7bff4b42008-04-22 14:46:08 -0300860 __func__, msg.addr << 1);
Mauro Carvalho Chehab68d5ce72009-02-08 08:34:43 -0300861 return rc;
Hartmut Hackmann9971f4f2007-03-23 21:00:07 -0300862 }
863 if ((data & 0x3c) == 0) {
864 dprintk("tda827x tuner found\n");
865 fe->ops.tuner_ops.init = tda827x_init;
866 fe->ops.tuner_ops.sleep = tda827xo_sleep;
Michael Krufky3b0c4532007-11-18 14:15:42 -0300867 if (priv->cfg)
868 priv->cfg->agcf = tda827xo_agcf;
Hartmut Hackmann9971f4f2007-03-23 21:00:07 -0300869 } else {
870 dprintk("tda827xa tuner found\n");
871 memcpy(&fe->ops.tuner_ops, &tda827xa_tuner_ops, sizeof(struct dvb_tuner_ops));
Michael Krufky3b0c4532007-11-18 14:15:42 -0300872 if (priv->cfg)
873 priv->cfg->agcf = tda827xa_agcf;
Hartmut Hackmann9971f4f2007-03-23 21:00:07 -0300874 }
875 return 0;
876}
877
Michael Krufky8ce47da2007-04-27 12:31:14 -0300878struct dvb_frontend *tda827x_attach(struct dvb_frontend *fe, int addr,
879 struct i2c_adapter *i2c,
880 struct tda827x_config *cfg)
881{
882 struct tda827x_priv *priv = NULL;
Hartmut Hackmann9971f4f2007-03-23 21:00:07 -0300883
Hartmut Hackmann7bff4b42008-04-22 14:46:08 -0300884 dprintk("%s:\n", __func__);
Michael Krufky8ce47da2007-04-27 12:31:14 -0300885 priv = kzalloc(sizeof(struct tda827x_priv), GFP_KERNEL);
886 if (priv == NULL)
887 return NULL;
888
889 priv->i2c_addr = addr;
890 priv->i2c_adap = i2c;
891 priv->cfg = cfg;
Hartmut Hackmann9971f4f2007-03-23 21:00:07 -0300892 memcpy(&fe->ops.tuner_ops, &tda827xo_tuner_ops, sizeof(struct dvb_tuner_ops));
Michael Krufky8ce47da2007-04-27 12:31:14 -0300893 fe->tuner_priv = priv;
Hartmut Hackmann9971f4f2007-03-23 21:00:07 -0300894
Michael Krufky746d97322007-08-25 19:08:45 -0300895 dprintk("type set to %s\n", fe->ops.tuner_ops.info.name);
896
Michael Krufky8ce47da2007-04-27 12:31:14 -0300897 return fe;
898}
Michael Krufkyce1f8bd2007-10-22 00:28:50 -0300899EXPORT_SYMBOL_GPL(tda827x_attach);
Michael Krufky8ce47da2007-04-27 12:31:14 -0300900
Michael Krufky8ce47da2007-04-27 12:31:14 -0300901MODULE_DESCRIPTION("DVB TDA827x driver");
Hartmut Hackmann11f65102007-04-27 12:31:15 -0300902MODULE_AUTHOR("Hartmut Hackmann <hartmut.hackmann@t-online.de>");
903MODULE_AUTHOR("Michael Krufky <mkrufky@linuxtv.org>");
Michael Krufky8ce47da2007-04-27 12:31:14 -0300904MODULE_LICENSE("GPL");