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8ce47dad MK |
1 | /* |
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. | |
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. | |
19 | */ | |
20 | ||
21 | #include <linux/module.h> | |
5a0e3ad6 | 22 | #include <linux/slab.h> |
8ce47dad | 23 | #include <asm/types.h> |
746d9732 MK |
24 | #include <linux/dvb/frontend.h> |
25 | #include <linux/videodev2.h> | |
8ce47dad MK |
26 | |
27 | #include "tda827x.h" | |
28 | ||
ff699e6b | 29 | static int debug; |
746d9732 MK |
30 | module_param(debug, int, 0644); |
31 | MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off)."); | |
32 | ||
8ce47dad MK |
33 | #define dprintk(args...) \ |
34 | do { \ | |
35 | if (debug) printk(KERN_DEBUG "tda827x: " args); \ | |
36 | } while (0) | |
37 | ||
38 | struct tda827x_priv { | |
39 | int i2c_addr; | |
40 | struct i2c_adapter *i2c_adap; | |
41 | struct tda827x_config *cfg; | |
5c82f449 MK |
42 | |
43 | unsigned int sgIF; | |
44 | unsigned char lpsel; | |
45 | ||
8ce47dad MK |
46 | u32 frequency; |
47 | u32 bandwidth; | |
48 | }; | |
49 | ||
5c82f449 MK |
50 | static void tda827x_set_std(struct dvb_frontend *fe, |
51 | struct analog_parameters *params) | |
52 | { | |
53 | struct tda827x_priv *priv = fe->tuner_priv; | |
54 | char *mode; | |
55 | ||
56 | priv->lpsel = 0; | |
57 | if (params->std & V4L2_STD_MN) { | |
58 | priv->sgIF = 92; | |
59 | priv->lpsel = 1; | |
60 | mode = "MN"; | |
61 | } else if (params->std & V4L2_STD_B) { | |
62 | priv->sgIF = 108; | |
63 | mode = "B"; | |
64 | } else if (params->std & V4L2_STD_GH) { | |
65 | priv->sgIF = 124; | |
66 | mode = "GH"; | |
67 | } else if (params->std & V4L2_STD_PAL_I) { | |
68 | priv->sgIF = 124; | |
69 | mode = "I"; | |
70 | } else if (params->std & V4L2_STD_DK) { | |
71 | priv->sgIF = 124; | |
72 | mode = "DK"; | |
73 | } else if (params->std & V4L2_STD_SECAM_L) { | |
74 | priv->sgIF = 124; | |
75 | mode = "L"; | |
76 | } else if (params->std & V4L2_STD_SECAM_LC) { | |
77 | priv->sgIF = 20; | |
78 | mode = "LC"; | |
79 | } else { | |
80 | priv->sgIF = 124; | |
81 | mode = "xx"; | |
82 | } | |
83 | ||
e5218eed | 84 | if (params->mode == V4L2_TUNER_RADIO) { |
5c82f449 | 85 | priv->sgIF = 88; /* if frequency is 5.5 MHz */ |
e5218eed MCC |
86 | dprintk("setting tda827x to radio FM\n"); |
87 | } else | |
88 | dprintk("setting tda827x to system %s\n", mode); | |
5c82f449 MK |
89 | } |
90 | ||
91 | ||
92 | /* ------------------------------------------------------------------ */ | |
93 | ||
8ce47dad MK |
94 | struct tda827x_data { |
95 | u32 lomax; | |
96 | u8 spd; | |
97 | u8 bs; | |
98 | u8 bp; | |
99 | u8 cp; | |
100 | u8 gc3; | |
101 | u8 div1p5; | |
102 | }; | |
103 | ||
746d9732 | 104 | static const struct tda827x_data tda827x_table[] = { |
8ce47dad MK |
105 | { .lomax = 62000000, .spd = 3, .bs = 2, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 1}, |
106 | { .lomax = 66000000, .spd = 3, .bs = 3, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 1}, | |
107 | { .lomax = 76000000, .spd = 3, .bs = 1, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 0}, | |
108 | { .lomax = 84000000, .spd = 3, .bs = 2, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 0}, | |
109 | { .lomax = 93000000, .spd = 3, .bs = 2, .bp = 0, .cp = 0, .gc3 = 1, .div1p5 = 0}, | |
110 | { .lomax = 98000000, .spd = 3, .bs = 3, .bp = 0, .cp = 0, .gc3 = 1, .div1p5 = 0}, | |
111 | { .lomax = 109000000, .spd = 3, .bs = 3, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 0}, | |
112 | { .lomax = 123000000, .spd = 2, .bs = 2, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 1}, | |
113 | { .lomax = 133000000, .spd = 2, .bs = 3, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 1}, | |
114 | { .lomax = 151000000, .spd = 2, .bs = 1, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 0}, | |
115 | { .lomax = 154000000, .spd = 2, .bs = 2, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 0}, | |
116 | { .lomax = 181000000, .spd = 2, .bs = 2, .bp = 1, .cp = 0, .gc3 = 0, .div1p5 = 0}, | |
117 | { .lomax = 185000000, .spd = 2, .bs = 2, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0}, | |
118 | { .lomax = 217000000, .spd = 2, .bs = 3, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0}, | |
119 | { .lomax = 244000000, .spd = 1, .bs = 2, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 1}, | |
120 | { .lomax = 265000000, .spd = 1, .bs = 3, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 1}, | |
121 | { .lomax = 302000000, .spd = 1, .bs = 1, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0}, | |
122 | { .lomax = 324000000, .spd = 1, .bs = 2, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0}, | |
123 | { .lomax = 370000000, .spd = 1, .bs = 2, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 0}, | |
124 | { .lomax = 454000000, .spd = 1, .bs = 3, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 0}, | |
125 | { .lomax = 493000000, .spd = 0, .bs = 2, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 1}, | |
126 | { .lomax = 530000000, .spd = 0, .bs = 3, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 1}, | |
127 | { .lomax = 554000000, .spd = 0, .bs = 1, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 0}, | |
128 | { .lomax = 604000000, .spd = 0, .bs = 1, .bp = 4, .cp = 0, .gc3 = 0, .div1p5 = 0}, | |
129 | { .lomax = 696000000, .spd = 0, .bs = 2, .bp = 4, .cp = 0, .gc3 = 0, .div1p5 = 0}, | |
130 | { .lomax = 740000000, .spd = 0, .bs = 2, .bp = 4, .cp = 1, .gc3 = 0, .div1p5 = 0}, | |
131 | { .lomax = 820000000, .spd = 0, .bs = 3, .bp = 4, .cp = 0, .gc3 = 0, .div1p5 = 0}, | |
132 | { .lomax = 865000000, .spd = 0, .bs = 3, .bp = 4, .cp = 1, .gc3 = 0, .div1p5 = 0}, | |
133 | { .lomax = 0, .spd = 0, .bs = 0, .bp = 0, .cp = 0, .gc3 = 0, .div1p5 = 0} | |
134 | }; | |
135 | ||
68d5ce70 MCC |
136 | static int tuner_transfer(struct dvb_frontend *fe, |
137 | struct i2c_msg *msg, | |
138 | const int size) | |
139 | { | |
140 | int rc; | |
141 | struct tda827x_priv *priv = fe->tuner_priv; | |
142 | ||
143 | if (fe->ops.i2c_gate_ctrl) | |
144 | fe->ops.i2c_gate_ctrl(fe, 1); | |
145 | rc = i2c_transfer(priv->i2c_adap, msg, size); | |
146 | if (fe->ops.i2c_gate_ctrl) | |
147 | fe->ops.i2c_gate_ctrl(fe, 0); | |
148 | ||
149 | if (rc >= 0 && rc != size) | |
150 | return -EIO; | |
151 | ||
152 | return rc; | |
153 | } | |
154 | ||
8ce47dad MK |
155 | static int tda827xo_set_params(struct dvb_frontend *fe, |
156 | struct dvb_frontend_parameters *params) | |
157 | { | |
158 | struct tda827x_priv *priv = fe->tuner_priv; | |
159 | u8 buf[14]; | |
68d5ce70 | 160 | int rc; |
8ce47dad MK |
161 | |
162 | struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = 0, | |
163 | .buf = buf, .len = sizeof(buf) }; | |
164 | int i, tuner_freq, if_freq; | |
165 | u32 N; | |
166 | ||
7bff4b4d | 167 | dprintk("%s:\n", __func__); |
8ce47dad MK |
168 | switch (params->u.ofdm.bandwidth) { |
169 | case BANDWIDTH_6_MHZ: | |
170 | if_freq = 4000000; | |
171 | break; | |
172 | case BANDWIDTH_7_MHZ: | |
173 | if_freq = 4500000; | |
174 | break; | |
175 | default: /* 8 MHz or Auto */ | |
176 | if_freq = 5000000; | |
177 | break; | |
178 | } | |
179 | tuner_freq = params->frequency + if_freq; | |
180 | ||
181 | i = 0; | |
746d9732 MK |
182 | while (tda827x_table[i].lomax < tuner_freq) { |
183 | if (tda827x_table[i + 1].lomax == 0) | |
8ce47dad MK |
184 | break; |
185 | i++; | |
186 | } | |
187 | ||
746d9732 | 188 | N = ((tuner_freq + 125000) / 250000) << (tda827x_table[i].spd + 2); |
8ce47dad MK |
189 | buf[0] = 0; |
190 | buf[1] = (N>>8) | 0x40; | |
191 | buf[2] = N & 0xff; | |
192 | buf[3] = 0; | |
193 | buf[4] = 0x52; | |
746d9732 MK |
194 | buf[5] = (tda827x_table[i].spd << 6) + (tda827x_table[i].div1p5 << 5) + |
195 | (tda827x_table[i].bs << 3) + | |
196 | tda827x_table[i].bp; | |
197 | buf[6] = (tda827x_table[i].gc3 << 4) + 0x8f; | |
8ce47dad MK |
198 | buf[7] = 0xbf; |
199 | buf[8] = 0x2a; | |
200 | buf[9] = 0x05; | |
201 | buf[10] = 0xff; | |
202 | buf[11] = 0x00; | |
203 | buf[12] = 0x00; | |
204 | buf[13] = 0x40; | |
205 | ||
206 | msg.len = 14; | |
68d5ce70 MCC |
207 | rc = tuner_transfer(fe, &msg, 1); |
208 | if (rc < 0) | |
209 | goto err; | |
210 | ||
8ce47dad MK |
211 | msleep(500); |
212 | /* correct CP value */ | |
213 | buf[0] = 0x30; | |
746d9732 | 214 | buf[1] = 0x50 + tda827x_table[i].cp; |
8ce47dad MK |
215 | msg.len = 2; |
216 | ||
68d5ce70 MCC |
217 | rc = tuner_transfer(fe, &msg, 1); |
218 | if (rc < 0) | |
219 | goto err; | |
8ce47dad | 220 | |
92d90f1a | 221 | priv->frequency = params->frequency; |
8ce47dad MK |
222 | priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? params->u.ofdm.bandwidth : 0; |
223 | ||
224 | return 0; | |
68d5ce70 MCC |
225 | |
226 | err: | |
227 | printk(KERN_ERR "%s: could not write to tuner at addr: 0x%02x\n", | |
228 | __func__, priv->i2c_addr << 1); | |
229 | return rc; | |
8ce47dad MK |
230 | } |
231 | ||
232 | static int tda827xo_sleep(struct dvb_frontend *fe) | |
233 | { | |
234 | struct tda827x_priv *priv = fe->tuner_priv; | |
235 | static u8 buf[] = { 0x30, 0xd0 }; | |
236 | struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = 0, | |
237 | .buf = buf, .len = sizeof(buf) }; | |
238 | ||
7bff4b4d | 239 | dprintk("%s:\n", __func__); |
68d5ce70 | 240 | tuner_transfer(fe, &msg, 1); |
8ce47dad MK |
241 | |
242 | if (priv->cfg && priv->cfg->sleep) | |
243 | priv->cfg->sleep(fe); | |
244 | ||
245 | return 0; | |
246 | } | |
247 | ||
248 | /* ------------------------------------------------------------------ */ | |
249 | ||
746d9732 MK |
250 | static int tda827xo_set_analog_params(struct dvb_frontend *fe, |
251 | struct analog_parameters *params) | |
252 | { | |
253 | unsigned char tuner_reg[8]; | |
254 | unsigned char reg2[2]; | |
255 | u32 N; | |
256 | int i; | |
257 | struct tda827x_priv *priv = fe->tuner_priv; | |
258 | struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = 0 }; | |
259 | unsigned int freq = params->frequency; | |
260 | ||
5c82f449 MK |
261 | tda827x_set_std(fe, params); |
262 | ||
746d9732 MK |
263 | if (params->mode == V4L2_TUNER_RADIO) |
264 | freq = freq / 1000; | |
265 | ||
5c82f449 | 266 | N = freq + priv->sgIF; |
746d9732 MK |
267 | |
268 | i = 0; | |
269 | while (tda827x_table[i].lomax < N * 62500) { | |
270 | if (tda827x_table[i + 1].lomax == 0) | |
271 | break; | |
272 | i++; | |
273 | } | |
274 | ||
275 | N = N << tda827x_table[i].spd; | |
276 | ||
277 | tuner_reg[0] = 0; | |
278 | tuner_reg[1] = (unsigned char)(N>>8); | |
279 | tuner_reg[2] = (unsigned char) N; | |
280 | tuner_reg[3] = 0x40; | |
5c82f449 | 281 | tuner_reg[4] = 0x52 + (priv->lpsel << 5); |
746d9732 MK |
282 | tuner_reg[5] = (tda827x_table[i].spd << 6) + |
283 | (tda827x_table[i].div1p5 << 5) + | |
284 | (tda827x_table[i].bs << 3) + tda827x_table[i].bp; | |
285 | tuner_reg[6] = 0x8f + (tda827x_table[i].gc3 << 4); | |
286 | tuner_reg[7] = 0x8f; | |
287 | ||
288 | msg.buf = tuner_reg; | |
289 | msg.len = 8; | |
68d5ce70 | 290 | tuner_transfer(fe, &msg, 1); |
746d9732 MK |
291 | |
292 | msg.buf = reg2; | |
293 | msg.len = 2; | |
294 | reg2[0] = 0x80; | |
295 | reg2[1] = 0; | |
68d5ce70 | 296 | tuner_transfer(fe, &msg, 1); |
746d9732 MK |
297 | |
298 | reg2[0] = 0x60; | |
299 | reg2[1] = 0xbf; | |
68d5ce70 | 300 | tuner_transfer(fe, &msg, 1); |
746d9732 MK |
301 | |
302 | reg2[0] = 0x30; | |
303 | reg2[1] = tuner_reg[4] + 0x80; | |
68d5ce70 | 304 | tuner_transfer(fe, &msg, 1); |
746d9732 MK |
305 | |
306 | msleep(1); | |
307 | reg2[0] = 0x30; | |
308 | reg2[1] = tuner_reg[4] + 4; | |
68d5ce70 | 309 | tuner_transfer(fe, &msg, 1); |
746d9732 MK |
310 | |
311 | msleep(1); | |
312 | reg2[0] = 0x30; | |
313 | reg2[1] = tuner_reg[4]; | |
68d5ce70 | 314 | tuner_transfer(fe, &msg, 1); |
746d9732 MK |
315 | |
316 | msleep(550); | |
317 | reg2[0] = 0x30; | |
318 | reg2[1] = (tuner_reg[4] & 0xfc) + tda827x_table[i].cp; | |
68d5ce70 | 319 | tuner_transfer(fe, &msg, 1); |
746d9732 MK |
320 | |
321 | reg2[0] = 0x60; | |
322 | reg2[1] = 0x3f; | |
68d5ce70 | 323 | tuner_transfer(fe, &msg, 1); |
746d9732 MK |
324 | |
325 | reg2[0] = 0x80; | |
326 | reg2[1] = 0x08; /* Vsync en */ | |
68d5ce70 | 327 | tuner_transfer(fe, &msg, 1); |
746d9732 | 328 | |
92d90f1a | 329 | priv->frequency = params->frequency; |
746d9732 MK |
330 | |
331 | return 0; | |
332 | } | |
333 | ||
334 | static void tda827xo_agcf(struct dvb_frontend *fe) | |
335 | { | |
336 | struct tda827x_priv *priv = fe->tuner_priv; | |
337 | unsigned char data[] = { 0x80, 0x0c }; | |
338 | struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = 0, | |
339 | .buf = data, .len = 2}; | |
340 | ||
68d5ce70 | 341 | tuner_transfer(fe, &msg, 1); |
746d9732 MK |
342 | } |
343 | ||
344 | /* ------------------------------------------------------------------ */ | |
345 | ||
8ce47dad MK |
346 | struct tda827xa_data { |
347 | u32 lomax; | |
348 | u8 svco; | |
349 | u8 spd; | |
350 | u8 scr; | |
351 | u8 sbs; | |
352 | u8 gc3; | |
353 | }; | |
354 | ||
cf47d878 | 355 | static struct tda827xa_data tda827xa_dvbt[] = { |
8ce47dad MK |
356 | { .lomax = 56875000, .svco = 3, .spd = 4, .scr = 0, .sbs = 0, .gc3 = 1}, |
357 | { .lomax = 67250000, .svco = 0, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 1}, | |
358 | { .lomax = 81250000, .svco = 1, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 1}, | |
359 | { .lomax = 97500000, .svco = 2, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 1}, | |
360 | { .lomax = 113750000, .svco = 3, .spd = 3, .scr = 0, .sbs = 1, .gc3 = 1}, | |
361 | { .lomax = 134500000, .svco = 0, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, | |
362 | { .lomax = 154000000, .svco = 1, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, | |
363 | { .lomax = 162500000, .svco = 1, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, | |
364 | { .lomax = 183000000, .svco = 2, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, | |
365 | { .lomax = 195000000, .svco = 2, .spd = 2, .scr = 0, .sbs = 2, .gc3 = 1}, | |
366 | { .lomax = 227500000, .svco = 3, .spd = 2, .scr = 0, .sbs = 2, .gc3 = 1}, | |
367 | { .lomax = 269000000, .svco = 0, .spd = 1, .scr = 0, .sbs = 2, .gc3 = 1}, | |
368 | { .lomax = 290000000, .svco = 1, .spd = 1, .scr = 0, .sbs = 2, .gc3 = 1}, | |
369 | { .lomax = 325000000, .svco = 1, .spd = 1, .scr = 0, .sbs = 3, .gc3 = 1}, | |
370 | { .lomax = 390000000, .svco = 2, .spd = 1, .scr = 0, .sbs = 3, .gc3 = 1}, | |
371 | { .lomax = 455000000, .svco = 3, .spd = 1, .scr = 0, .sbs = 3, .gc3 = 1}, | |
372 | { .lomax = 520000000, .svco = 0, .spd = 0, .scr = 0, .sbs = 3, .gc3 = 1}, | |
373 | { .lomax = 538000000, .svco = 0, .spd = 0, .scr = 1, .sbs = 3, .gc3 = 1}, | |
374 | { .lomax = 550000000, .svco = 1, .spd = 0, .scr = 0, .sbs = 3, .gc3 = 1}, | |
375 | { .lomax = 620000000, .svco = 1, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0}, | |
376 | { .lomax = 650000000, .svco = 1, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0}, | |
377 | { .lomax = 700000000, .svco = 2, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0}, | |
378 | { .lomax = 780000000, .svco = 2, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0}, | |
379 | { .lomax = 820000000, .svco = 3, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0}, | |
380 | { .lomax = 870000000, .svco = 3, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0}, | |
381 | { .lomax = 911000000, .svco = 3, .spd = 0, .scr = 2, .sbs = 4, .gc3 = 0}, | |
382 | { .lomax = 0, .svco = 0, .spd = 0, .scr = 0, .sbs = 0, .gc3 = 0} | |
383 | }; | |
384 | ||
cf47d878 | 385 | static struct tda827xa_data tda827xa_dvbc[] = { |
386 | { .lomax = 50125000, .svco = 2, .spd = 4, .scr = 2, .sbs = 0, .gc3 = 3}, | |
387 | { .lomax = 58500000, .svco = 3, .spd = 4, .scr = 2, .sbs = 0, .gc3 = 3}, | |
388 | { .lomax = 69250000, .svco = 0, .spd = 3, .scr = 2, .sbs = 0, .gc3 = 3}, | |
389 | { .lomax = 83625000, .svco = 1, .spd = 3, .scr = 2, .sbs = 0, .gc3 = 3}, | |
390 | { .lomax = 97500000, .svco = 2, .spd = 3, .scr = 2, .sbs = 0, .gc3 = 3}, | |
391 | { .lomax = 100250000, .svco = 2, .spd = 3, .scr = 2, .sbs = 1, .gc3 = 1}, | |
392 | { .lomax = 117000000, .svco = 3, .spd = 3, .scr = 2, .sbs = 1, .gc3 = 1}, | |
393 | { .lomax = 138500000, .svco = 0, .spd = 2, .scr = 2, .sbs = 1, .gc3 = 1}, | |
394 | { .lomax = 167250000, .svco = 1, .spd = 2, .scr = 2, .sbs = 1, .gc3 = 1}, | |
395 | { .lomax = 187000000, .svco = 2, .spd = 2, .scr = 2, .sbs = 1, .gc3 = 1}, | |
396 | { .lomax = 200500000, .svco = 2, .spd = 2, .scr = 2, .sbs = 2, .gc3 = 1}, | |
397 | { .lomax = 234000000, .svco = 3, .spd = 2, .scr = 2, .sbs = 2, .gc3 = 3}, | |
398 | { .lomax = 277000000, .svco = 0, .spd = 1, .scr = 2, .sbs = 2, .gc3 = 3}, | |
399 | { .lomax = 325000000, .svco = 1, .spd = 1, .scr = 2, .sbs = 2, .gc3 = 1}, | |
400 | { .lomax = 334500000, .svco = 1, .spd = 1, .scr = 2, .sbs = 3, .gc3 = 3}, | |
401 | { .lomax = 401000000, .svco = 2, .spd = 1, .scr = 2, .sbs = 3, .gc3 = 3}, | |
402 | { .lomax = 468000000, .svco = 3, .spd = 1, .scr = 2, .sbs = 3, .gc3 = 1}, | |
403 | { .lomax = 535000000, .svco = 0, .spd = 0, .scr = 1, .sbs = 3, .gc3 = 1}, | |
404 | { .lomax = 554000000, .svco = 0, .spd = 0, .scr = 2, .sbs = 3, .gc3 = 1}, | |
405 | { .lomax = 638000000, .svco = 1, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 1}, | |
406 | { .lomax = 669000000, .svco = 1, .spd = 0, .scr = 2, .sbs = 4, .gc3 = 1}, | |
407 | { .lomax = 720000000, .svco = 2, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 1}, | |
408 | { .lomax = 802000000, .svco = 2, .spd = 0, .scr = 2, .sbs = 4, .gc3 = 1}, | |
409 | { .lomax = 835000000, .svco = 3, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 1}, | |
410 | { .lomax = 885000000, .svco = 3, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 1}, | |
411 | { .lomax = 911000000, .svco = 3, .spd = 0, .scr = 2, .sbs = 4, .gc3 = 1}, | |
412 | { .lomax = 0, .svco = 0, .spd = 0, .scr = 0, .sbs = 0, .gc3 = 0} | |
413 | }; | |
414 | ||
746d9732 MK |
415 | static struct tda827xa_data tda827xa_analog[] = { |
416 | { .lomax = 56875000, .svco = 3, .spd = 4, .scr = 0, .sbs = 0, .gc3 = 3}, | |
417 | { .lomax = 67250000, .svco = 0, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 3}, | |
418 | { .lomax = 81250000, .svco = 1, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 3}, | |
419 | { .lomax = 97500000, .svco = 2, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 3}, | |
420 | { .lomax = 113750000, .svco = 3, .spd = 3, .scr = 0, .sbs = 1, .gc3 = 1}, | |
421 | { .lomax = 134500000, .svco = 0, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, | |
422 | { .lomax = 154000000, .svco = 1, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, | |
423 | { .lomax = 162500000, .svco = 1, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, | |
424 | { .lomax = 183000000, .svco = 2, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, | |
425 | { .lomax = 195000000, .svco = 2, .spd = 2, .scr = 0, .sbs = 2, .gc3 = 1}, | |
426 | { .lomax = 227500000, .svco = 3, .spd = 2, .scr = 0, .sbs = 2, .gc3 = 3}, | |
427 | { .lomax = 269000000, .svco = 0, .spd = 1, .scr = 0, .sbs = 2, .gc3 = 3}, | |
428 | { .lomax = 325000000, .svco = 1, .spd = 1, .scr = 0, .sbs = 2, .gc3 = 1}, | |
429 | { .lomax = 390000000, .svco = 2, .spd = 1, .scr = 0, .sbs = 3, .gc3 = 3}, | |
430 | { .lomax = 455000000, .svco = 3, .spd = 1, .scr = 0, .sbs = 3, .gc3 = 3}, | |
431 | { .lomax = 520000000, .svco = 0, .spd = 0, .scr = 0, .sbs = 3, .gc3 = 1}, | |
432 | { .lomax = 538000000, .svco = 0, .spd = 0, .scr = 1, .sbs = 3, .gc3 = 1}, | |
433 | { .lomax = 554000000, .svco = 1, .spd = 0, .scr = 0, .sbs = 3, .gc3 = 1}, | |
434 | { .lomax = 620000000, .svco = 1, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0}, | |
435 | { .lomax = 650000000, .svco = 1, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0}, | |
436 | { .lomax = 700000000, .svco = 2, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0}, | |
437 | { .lomax = 780000000, .svco = 2, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0}, | |
438 | { .lomax = 820000000, .svco = 3, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0}, | |
439 | { .lomax = 870000000, .svco = 3, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0}, | |
440 | { .lomax = 911000000, .svco = 3, .spd = 0, .scr = 2, .sbs = 4, .gc3 = 0}, | |
441 | { .lomax = 0, .svco = 0, .spd = 0, .scr = 0, .sbs = 0, .gc3 = 0} | |
442 | }; | |
443 | ||
7bff4b4d HH |
444 | static int tda827xa_sleep(struct dvb_frontend *fe) |
445 | { | |
446 | struct tda827x_priv *priv = fe->tuner_priv; | |
447 | static u8 buf[] = { 0x30, 0x90 }; | |
448 | struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = 0, | |
449 | .buf = buf, .len = sizeof(buf) }; | |
450 | ||
451 | dprintk("%s:\n", __func__); | |
7bff4b4d | 452 | |
68d5ce70 | 453 | tuner_transfer(fe, &msg, 1); |
7bff4b4d HH |
454 | |
455 | if (priv->cfg && priv->cfg->sleep) | |
456 | priv->cfg->sleep(fe); | |
457 | ||
458 | return 0; | |
459 | } | |
460 | ||
461 | static void tda827xa_lna_gain(struct dvb_frontend *fe, int high, | |
462 | struct analog_parameters *params) | |
463 | { | |
464 | struct tda827x_priv *priv = fe->tuner_priv; | |
465 | unsigned char buf[] = {0x22, 0x01}; | |
466 | int arg; | |
467 | int gp_func; | |
67642a0a | 468 | struct i2c_msg msg = { .flags = 0, .buf = buf, .len = sizeof(buf) }; |
7bff4b4d HH |
469 | |
470 | if (NULL == priv->cfg) { | |
471 | dprintk("tda827x_config not defined, cannot set LNA gain!\n"); | |
472 | return; | |
473 | } | |
67642a0a | 474 | msg.addr = priv->cfg->switch_addr; |
7bff4b4d HH |
475 | if (priv->cfg->config) { |
476 | if (high) | |
477 | dprintk("setting LNA to high gain\n"); | |
478 | else | |
479 | dprintk("setting LNA to low gain\n"); | |
480 | } | |
481 | switch (priv->cfg->config) { | |
482 | case 0: /* no LNA */ | |
483 | break; | |
484 | case 1: /* switch is GPIO 0 of tda8290 */ | |
485 | case 2: | |
486 | if (params == NULL) { | |
487 | gp_func = 0; | |
488 | arg = 0; | |
489 | } else { | |
490 | /* turn Vsync on */ | |
491 | gp_func = 1; | |
492 | if (params->std & V4L2_STD_MN) | |
493 | arg = 1; | |
494 | else | |
495 | arg = 0; | |
496 | } | |
d7cba043 MK |
497 | if (fe->callback) |
498 | fe->callback(priv->i2c_adap->algo_data, | |
499 | DVB_FRONTEND_COMPONENT_TUNER, | |
500 | gp_func, arg); | |
7bff4b4d HH |
501 | buf[1] = high ? 0 : 1; |
502 | if (priv->cfg->config == 2) | |
503 | buf[1] = high ? 1 : 0; | |
68d5ce70 | 504 | tuner_transfer(fe, &msg, 1); |
7bff4b4d HH |
505 | break; |
506 | case 3: /* switch with GPIO of saa713x */ | |
d7cba043 MK |
507 | if (fe->callback) |
508 | fe->callback(priv->i2c_adap->algo_data, | |
509 | DVB_FRONTEND_COMPONENT_TUNER, 0, high); | |
7bff4b4d HH |
510 | break; |
511 | } | |
512 | } | |
513 | ||
8ce47dad MK |
514 | static int tda827xa_set_params(struct dvb_frontend *fe, |
515 | struct dvb_frontend_parameters *params) | |
516 | { | |
517 | struct tda827x_priv *priv = fe->tuner_priv; | |
cf47d878 | 518 | struct tda827xa_data *frequency_map = tda827xa_dvbt; |
ede2200d | 519 | u8 buf[11]; |
8ce47dad MK |
520 | |
521 | struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = 0, | |
522 | .buf = buf, .len = sizeof(buf) }; | |
523 | ||
68d5ce70 | 524 | int i, tuner_freq, if_freq, rc; |
8ce47dad MK |
525 | u32 N; |
526 | ||
7bff4b4d HH |
527 | dprintk("%s:\n", __func__); |
528 | ||
529 | tda827xa_lna_gain(fe, 1, NULL); | |
8ce47dad MK |
530 | msleep(20); |
531 | ||
532 | switch (params->u.ofdm.bandwidth) { | |
533 | case BANDWIDTH_6_MHZ: | |
534 | if_freq = 4000000; | |
535 | break; | |
536 | case BANDWIDTH_7_MHZ: | |
537 | if_freq = 4500000; | |
538 | break; | |
539 | default: /* 8 MHz or Auto */ | |
540 | if_freq = 5000000; | |
541 | break; | |
542 | } | |
543 | tuner_freq = params->frequency + if_freq; | |
544 | ||
cf47d878 | 545 | if (fe->ops.info.type == FE_QAM) { |
546 | dprintk("%s select tda827xa_dvbc\n", __func__); | |
547 | frequency_map = tda827xa_dvbc; | |
548 | } | |
549 | ||
8ce47dad | 550 | i = 0; |
cf47d878 | 551 | while (frequency_map[i].lomax < tuner_freq) { |
552 | if (frequency_map[i + 1].lomax == 0) | |
8ce47dad MK |
553 | break; |
554 | i++; | |
555 | } | |
556 | ||
cf47d878 | 557 | N = ((tuner_freq + 31250) / 62500) << frequency_map[i].spd; |
8ce47dad MK |
558 | buf[0] = 0; // subaddress |
559 | buf[1] = N >> 8; | |
560 | buf[2] = N & 0xff; | |
561 | buf[3] = 0; | |
562 | buf[4] = 0x16; | |
cf47d878 | 563 | buf[5] = (frequency_map[i].spd << 5) + (frequency_map[i].svco << 3) + |
564 | frequency_map[i].sbs; | |
565 | buf[6] = 0x4b + (frequency_map[i].gc3 << 4); | |
8ce47dad MK |
566 | buf[7] = 0x1c; |
567 | buf[8] = 0x06; | |
568 | buf[9] = 0x24; | |
569 | buf[10] = 0x00; | |
570 | msg.len = 11; | |
68d5ce70 MCC |
571 | rc = tuner_transfer(fe, &msg, 1); |
572 | if (rc < 0) | |
573 | goto err; | |
574 | ||
8ce47dad MK |
575 | buf[0] = 0x90; |
576 | buf[1] = 0xff; | |
577 | buf[2] = 0x60; | |
578 | buf[3] = 0x00; | |
579 | buf[4] = 0x59; // lpsel, for 6MHz + 2 | |
580 | msg.len = 5; | |
68d5ce70 MCC |
581 | rc = tuner_transfer(fe, &msg, 1); |
582 | if (rc < 0) | |
583 | goto err; | |
8ce47dad MK |
584 | |
585 | buf[0] = 0xa0; | |
586 | buf[1] = 0x40; | |
587 | msg.len = 2; | |
68d5ce70 MCC |
588 | rc = tuner_transfer(fe, &msg, 1); |
589 | if (rc < 0) | |
590 | goto err; | |
8ce47dad MK |
591 | |
592 | msleep(11); | |
593 | msg.flags = I2C_M_RD; | |
68d5ce70 MCC |
594 | rc = tuner_transfer(fe, &msg, 1); |
595 | if (rc < 0) | |
596 | goto err; | |
8ce47dad MK |
597 | msg.flags = 0; |
598 | ||
599 | buf[1] >>= 4; | |
600 | dprintk("tda8275a AGC2 gain is: %d\n", buf[1]); | |
601 | if ((buf[1]) < 2) { | |
7bff4b4d | 602 | tda827xa_lna_gain(fe, 0, NULL); |
8ce47dad MK |
603 | buf[0] = 0x60; |
604 | buf[1] = 0x0c; | |
68d5ce70 MCC |
605 | rc = tuner_transfer(fe, &msg, 1); |
606 | if (rc < 0) | |
607 | goto err; | |
8ce47dad MK |
608 | } |
609 | ||
610 | buf[0] = 0xc0; | |
611 | buf[1] = 0x99; // lpsel, for 6MHz + 2 | |
68d5ce70 MCC |
612 | rc = tuner_transfer(fe, &msg, 1); |
613 | if (rc < 0) | |
614 | goto err; | |
8ce47dad MK |
615 | |
616 | buf[0] = 0x60; | |
617 | buf[1] = 0x3c; | |
68d5ce70 MCC |
618 | rc = tuner_transfer(fe, &msg, 1); |
619 | if (rc < 0) | |
620 | goto err; | |
8ce47dad MK |
621 | |
622 | /* correct CP value */ | |
623 | buf[0] = 0x30; | |
cf47d878 | 624 | buf[1] = 0x10 + frequency_map[i].scr; |
68d5ce70 MCC |
625 | rc = tuner_transfer(fe, &msg, 1); |
626 | if (rc < 0) | |
627 | goto err; | |
8ce47dad MK |
628 | |
629 | msleep(163); | |
630 | buf[0] = 0xc0; | |
631 | buf[1] = 0x39; // lpsel, for 6MHz + 2 | |
68d5ce70 MCC |
632 | rc = tuner_transfer(fe, &msg, 1); |
633 | if (rc < 0) | |
634 | goto err; | |
8ce47dad MK |
635 | |
636 | msleep(3); | |
637 | /* freeze AGC1 */ | |
638 | buf[0] = 0x50; | |
cf47d878 | 639 | buf[1] = 0x4f + (frequency_map[i].gc3 << 4); |
68d5ce70 MCC |
640 | rc = tuner_transfer(fe, &msg, 1); |
641 | if (rc < 0) | |
642 | goto err; | |
8ce47dad | 643 | |
92d90f1a | 644 | priv->frequency = params->frequency; |
8ce47dad MK |
645 | priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? params->u.ofdm.bandwidth : 0; |
646 | ||
68d5ce70 | 647 | |
8ce47dad | 648 | return 0; |
68d5ce70 MCC |
649 | |
650 | err: | |
651 | printk(KERN_ERR "%s: could not write to tuner at addr: 0x%02x\n", | |
652 | __func__, priv->i2c_addr << 1); | |
653 | return rc; | |
8ce47dad MK |
654 | } |
655 | ||
746d9732 MK |
656 | |
657 | static 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 | ||
5c82f449 MK |
668 | tda827x_set_std(fe, params); |
669 | ||
746d9732 MK |
670 | tda827xa_lna_gain(fe, 1, params); |
671 | msleep(10); | |
672 | ||
673 | if (params->mode == V4L2_TUNER_RADIO) | |
674 | freq = freq / 1000; | |
675 | ||
5c82f449 | 676 | N = freq + priv->sgIF; |
746d9732 MK |
677 | |
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; | |
68d5ce70 | 701 | tuner_transfer(fe, &msg, 1); |
746d9732 MK |
702 | |
703 | tuner_reg[0] = 0x90; | |
704 | tuner_reg[1] = 0xff; | |
705 | tuner_reg[2] = 0xe0; | |
706 | tuner_reg[3] = 0; | |
5c82f449 | 707 | tuner_reg[4] = 0x99 + (priv->lpsel << 1); |
746d9732 | 708 | msg.len = 5; |
68d5ce70 | 709 | tuner_transfer(fe, &msg, 1); |
746d9732 MK |
710 | |
711 | tuner_reg[0] = 0xa0; | |
712 | tuner_reg[1] = 0xc0; | |
713 | msg.len = 2; | |
68d5ce70 | 714 | tuner_transfer(fe, &msg, 1); |
746d9732 MK |
715 | |
716 | tuner_reg[0] = 0x30; | |
717 | tuner_reg[1] = 0x10 + tda827xa_analog[i].scr; | |
68d5ce70 | 718 | tuner_transfer(fe, &msg, 1); |
746d9732 MK |
719 | |
720 | msg.flags = I2C_M_RD; | |
68d5ce70 | 721 | tuner_transfer(fe, &msg, 1); |
746d9732 MK |
722 | 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; | |
68d5ce70 | 731 | tuner_transfer(fe, &msg, 1); |
746d9732 MK |
732 | |
733 | msleep(163); | |
734 | tuner_reg[0] = 0x50; | |
735 | tuner_reg[1] = 0x8f + (tda827xa_analog[i].gc3 << 4); | |
68d5ce70 | 736 | tuner_transfer(fe, &msg, 1); |
746d9732 MK |
737 | |
738 | tuner_reg[0] = 0x80; | |
739 | tuner_reg[1] = 0x28; | |
68d5ce70 | 740 | tuner_transfer(fe, &msg, 1); |
746d9732 MK |
741 | |
742 | tuner_reg[0] = 0xb0; | |
743 | tuner_reg[1] = 0x01; | |
68d5ce70 | 744 | tuner_transfer(fe, &msg, 1); |
746d9732 MK |
745 | |
746 | tuner_reg[0] = 0xc0; | |
5c82f449 | 747 | tuner_reg[1] = 0x19 + (priv->lpsel << 1); |
68d5ce70 | 748 | tuner_transfer(fe, &msg, 1); |
746d9732 | 749 | |
92d90f1a | 750 | priv->frequency = params->frequency; |
746d9732 MK |
751 | |
752 | return 0; | |
753 | } | |
754 | ||
755 | static 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}; | |
68d5ce70 | 761 | tuner_transfer(fe, &msg, 1); |
746d9732 MK |
762 | } |
763 | ||
764 | /* ------------------------------------------------------------------ */ | |
765 | ||
8ce47dad MK |
766 | static int tda827x_release(struct dvb_frontend *fe) |
767 | { | |
768 | kfree(fe->tuner_priv); | |
769 | fe->tuner_priv = NULL; | |
770 | return 0; | |
771 | } | |
772 | ||
773 | static int tda827x_get_frequency(struct dvb_frontend *fe, u32 *frequency) | |
774 | { | |
775 | struct tda827x_priv *priv = fe->tuner_priv; | |
776 | *frequency = priv->frequency; | |
777 | return 0; | |
778 | } | |
779 | ||
780 | static int tda827x_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) | |
781 | { | |
782 | struct tda827x_priv *priv = fe->tuner_priv; | |
783 | *bandwidth = priv->bandwidth; | |
784 | return 0; | |
785 | } | |
786 | ||
787 | static int tda827x_init(struct dvb_frontend *fe) | |
788 | { | |
789 | struct tda827x_priv *priv = fe->tuner_priv; | |
7bff4b4d | 790 | dprintk("%s:\n", __func__); |
8ce47dad MK |
791 | if (priv->cfg && priv->cfg->init) |
792 | priv->cfg->init(fe); | |
793 | ||
794 | return 0; | |
795 | } | |
796 | ||
9971f4f1 HH |
797 | static int tda827x_probe_version(struct dvb_frontend *fe); |
798 | ||
799 | static int tda827x_initial_init(struct dvb_frontend *fe) | |
800 | { | |
801 | int ret; | |
802 | ret = tda827x_probe_version(fe); | |
803 | if (ret) | |
804 | return ret; | |
805 | return fe->ops.tuner_ops.init(fe); | |
806 | } | |
807 | ||
808 | static int tda827x_initial_sleep(struct dvb_frontend *fe) | |
809 | { | |
810 | int ret; | |
811 | ret = tda827x_probe_version(fe); | |
812 | if (ret) | |
813 | return ret; | |
814 | return fe->ops.tuner_ops.sleep(fe); | |
815 | } | |
8ce47dad MK |
816 | |
817 | static struct dvb_tuner_ops tda827xo_tuner_ops = { | |
818 | .info = { | |
819 | .name = "Philips TDA827X", | |
11f65106 HH |
820 | .frequency_min = 55000000, |
821 | .frequency_max = 860000000, | |
822 | .frequency_step = 250000 | |
8ce47dad MK |
823 | }, |
824 | .release = tda827x_release, | |
9971f4f1 HH |
825 | .init = tda827x_initial_init, |
826 | .sleep = tda827x_initial_sleep, | |
8ce47dad | 827 | .set_params = tda827xo_set_params, |
746d9732 | 828 | .set_analog_params = tda827xo_set_analog_params, |
8ce47dad MK |
829 | .get_frequency = tda827x_get_frequency, |
830 | .get_bandwidth = tda827x_get_bandwidth, | |
831 | }; | |
832 | ||
833 | static struct dvb_tuner_ops tda827xa_tuner_ops = { | |
834 | .info = { | |
835 | .name = "Philips TDA827XA", | |
11f65106 HH |
836 | .frequency_min = 44000000, |
837 | .frequency_max = 906000000, | |
838 | .frequency_step = 62500 | |
8ce47dad MK |
839 | }, |
840 | .release = tda827x_release, | |
841 | .init = tda827x_init, | |
842 | .sleep = tda827xa_sleep, | |
843 | .set_params = tda827xa_set_params, | |
746d9732 | 844 | .set_analog_params = tda827xa_set_analog_params, |
8ce47dad MK |
845 | .get_frequency = tda827x_get_frequency, |
846 | .get_bandwidth = tda827x_get_bandwidth, | |
847 | }; | |
848 | ||
9971f4f1 | 849 | static int tda827x_probe_version(struct dvb_frontend *fe) |
68d5ce70 MCC |
850 | { |
851 | u8 data; | |
852 | int rc; | |
9971f4f1 HH |
853 | struct tda827x_priv *priv = fe->tuner_priv; |
854 | struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = I2C_M_RD, | |
8ce47dad | 855 | .buf = &data, .len = 1 }; |
68d5ce70 MCC |
856 | |
857 | rc = tuner_transfer(fe, &msg, 1); | |
858 | ||
859 | if (rc < 0) { | |
8ce47dad | 860 | printk("%s: could not read from tuner at addr: 0x%02x\n", |
7bff4b4d | 861 | __func__, msg.addr << 1); |
68d5ce70 | 862 | return rc; |
9971f4f1 HH |
863 | } |
864 | if ((data & 0x3c) == 0) { | |
865 | dprintk("tda827x tuner found\n"); | |
866 | fe->ops.tuner_ops.init = tda827x_init; | |
867 | fe->ops.tuner_ops.sleep = tda827xo_sleep; | |
3b0c453a MK |
868 | if (priv->cfg) |
869 | priv->cfg->agcf = tda827xo_agcf; | |
9971f4f1 HH |
870 | } else { |
871 | dprintk("tda827xa tuner found\n"); | |
872 | memcpy(&fe->ops.tuner_ops, &tda827xa_tuner_ops, sizeof(struct dvb_tuner_ops)); | |
3b0c453a MK |
873 | if (priv->cfg) |
874 | priv->cfg->agcf = tda827xa_agcf; | |
8ce47dad | 875 | } |
9971f4f1 HH |
876 | return 0; |
877 | } | |
878 | ||
879 | struct dvb_frontend *tda827x_attach(struct dvb_frontend *fe, int addr, | |
880 | struct i2c_adapter *i2c, | |
881 | struct tda827x_config *cfg) | |
882 | { | |
883 | struct tda827x_priv *priv = NULL; | |
8ce47dad | 884 | |
7bff4b4d | 885 | dprintk("%s:\n", __func__); |
8ce47dad MK |
886 | priv = kzalloc(sizeof(struct tda827x_priv), GFP_KERNEL); |
887 | if (priv == NULL) | |
888 | return NULL; | |
889 | ||
890 | priv->i2c_addr = addr; | |
891 | priv->i2c_adap = i2c; | |
892 | priv->cfg = cfg; | |
9971f4f1 | 893 | memcpy(&fe->ops.tuner_ops, &tda827xo_tuner_ops, sizeof(struct dvb_tuner_ops)); |
8ce47dad | 894 | fe->tuner_priv = priv; |
9971f4f1 | 895 | |
746d9732 MK |
896 | dprintk("type set to %s\n", fe->ops.tuner_ops.info.name); |
897 | ||
8ce47dad MK |
898 | return fe; |
899 | } | |
ce1f8bdb | 900 | EXPORT_SYMBOL_GPL(tda827x_attach); |
8ce47dad | 901 | |
8ce47dad | 902 | MODULE_DESCRIPTION("DVB TDA827x driver"); |
11f65106 HH |
903 | MODULE_AUTHOR("Hartmut Hackmann <hartmut.hackmann@t-online.de>"); |
904 | MODULE_AUTHOR("Michael Krufky <mkrufky@linuxtv.org>"); | |
8ce47dad MK |
905 | MODULE_LICENSE("GPL"); |
906 | ||
907 | /* | |
908 | * Overrides for Emacs so that we follow Linus's tabbing style. | |
909 | * --------------------------------------------------------------------------- | |
910 | * Local variables: | |
911 | * c-basic-offset: 8 | |
912 | * End: | |
913 | */ |