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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. | |
8ce47dad MK |
15 | */ |
16 | ||
17 | #include <linux/module.h> | |
5a0e3ad6 | 18 | #include <linux/slab.h> |
8ce47dad | 19 | #include <asm/types.h> |
746d9732 MK |
20 | #include <linux/dvb/frontend.h> |
21 | #include <linux/videodev2.h> | |
8ce47dad MK |
22 | |
23 | #include "tda827x.h" | |
24 | ||
ff699e6b | 25 | static int debug; |
746d9732 MK |
26 | module_param(debug, int, 0644); |
27 | MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off)."); | |
28 | ||
8ce47dad MK |
29 | #define dprintk(args...) \ |
30 | do { \ | |
31 | if (debug) printk(KERN_DEBUG "tda827x: " args); \ | |
32 | } while (0) | |
33 | ||
34 | struct tda827x_priv { | |
35 | int i2c_addr; | |
36 | struct i2c_adapter *i2c_adap; | |
37 | struct tda827x_config *cfg; | |
5c82f449 MK |
38 | |
39 | unsigned int sgIF; | |
40 | unsigned char lpsel; | |
41 | ||
8ce47dad MK |
42 | u32 frequency; |
43 | u32 bandwidth; | |
44 | }; | |
45 | ||
5c82f449 MK |
46 | static 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 | ||
e5218eed | 80 | if (params->mode == V4L2_TUNER_RADIO) { |
5c82f449 | 81 | priv->sgIF = 88; /* if frequency is 5.5 MHz */ |
e5218eed MCC |
82 | dprintk("setting tda827x to radio FM\n"); |
83 | } else | |
84 | dprintk("setting tda827x to system %s\n", mode); | |
5c82f449 MK |
85 | } |
86 | ||
87 | ||
88 | /* ------------------------------------------------------------------ */ | |
89 | ||
8ce47dad MK |
90 | struct 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 | ||
746d9732 | 100 | static const struct tda827x_data tda827x_table[] = { |
8ce47dad MK |
101 | { .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 | ||
68d5ce70 MCC |
132 | static 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 | ||
14d24d14 | 151 | static int tda827xo_set_params(struct dvb_frontend *fe) |
8ce47dad | 152 | { |
53ccd1ca | 153 | struct dtv_frontend_properties *c = &fe->dtv_property_cache; |
8ce47dad MK |
154 | struct tda827x_priv *priv = fe->tuner_priv; |
155 | u8 buf[14]; | |
68d5ce70 | 156 | int rc; |
8ce47dad MK |
157 | |
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 | ||
7bff4b4d | 163 | dprintk("%s:\n", __func__); |
53ccd1ca MCC |
164 | if (c->bandwidth_hz == 0) { |
165 | if_freq = 5000000; | |
53ccd1ca | 166 | } else if (c->bandwidth_hz <= 6000000) { |
8ce47dad | 167 | if_freq = 4000000; |
53ccd1ca | 168 | } else if (c->bandwidth_hz <= 7000000) { |
8ce47dad | 169 | if_freq = 4500000; |
53ccd1ca | 170 | } else { /* 8 MHz */ |
8ce47dad | 171 | if_freq = 5000000; |
8ce47dad | 172 | } |
53ccd1ca | 173 | tuner_freq = c->frequency; |
8ce47dad MK |
174 | |
175 | i = 0; | |
746d9732 MK |
176 | while (tda827x_table[i].lomax < tuner_freq) { |
177 | if (tda827x_table[i + 1].lomax == 0) | |
8ce47dad MK |
178 | break; |
179 | i++; | |
180 | } | |
181 | ||
2d84ca21 JAR |
182 | tuner_freq += if_freq; |
183 | ||
746d9732 | 184 | N = ((tuner_freq + 125000) / 250000) << (tda827x_table[i].spd + 2); |
8ce47dad MK |
185 | buf[0] = 0; |
186 | buf[1] = (N>>8) | 0x40; | |
187 | buf[2] = N & 0xff; | |
188 | buf[3] = 0; | |
189 | buf[4] = 0x52; | |
746d9732 MK |
190 | 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; | |
8ce47dad MK |
194 | 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; | |
68d5ce70 MCC |
203 | rc = tuner_transfer(fe, &msg, 1); |
204 | if (rc < 0) | |
205 | goto err; | |
206 | ||
8ce47dad MK |
207 | msleep(500); |
208 | /* correct CP value */ | |
209 | buf[0] = 0x30; | |
746d9732 | 210 | buf[1] = 0x50 + tda827x_table[i].cp; |
8ce47dad MK |
211 | msg.len = 2; |
212 | ||
68d5ce70 MCC |
213 | rc = tuner_transfer(fe, &msg, 1); |
214 | if (rc < 0) | |
215 | goto err; | |
8ce47dad | 216 | |
53ccd1ca | 217 | priv->frequency = c->frequency; |
c6f56e7d | 218 | priv->bandwidth = c->bandwidth_hz; |
8ce47dad MK |
219 | |
220 | return 0; | |
68d5ce70 MCC |
221 | |
222 | err: | |
223 | printk(KERN_ERR "%s: could not write to tuner at addr: 0x%02x\n", | |
224 | __func__, priv->i2c_addr << 1); | |
225 | return rc; | |
8ce47dad MK |
226 | } |
227 | ||
228 | static 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 | ||
7bff4b4d | 235 | dprintk("%s:\n", __func__); |
68d5ce70 | 236 | tuner_transfer(fe, &msg, 1); |
8ce47dad MK |
237 | |
238 | if (priv->cfg && priv->cfg->sleep) | |
239 | priv->cfg->sleep(fe); | |
240 | ||
241 | return 0; | |
242 | } | |
243 | ||
244 | /* ------------------------------------------------------------------ */ | |
245 | ||
746d9732 MK |
246 | static 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 | ||
5c82f449 MK |
257 | tda827x_set_std(fe, params); |
258 | ||
746d9732 MK |
259 | if (params->mode == V4L2_TUNER_RADIO) |
260 | freq = freq / 1000; | |
261 | ||
5c82f449 | 262 | N = freq + priv->sgIF; |
746d9732 MK |
263 | |
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; | |
5c82f449 | 277 | tuner_reg[4] = 0x52 + (priv->lpsel << 5); |
746d9732 MK |
278 | 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; | |
68d5ce70 | 286 | tuner_transfer(fe, &msg, 1); |
746d9732 MK |
287 | |
288 | msg.buf = reg2; | |
289 | msg.len = 2; | |
290 | reg2[0] = 0x80; | |
291 | reg2[1] = 0; | |
68d5ce70 | 292 | tuner_transfer(fe, &msg, 1); |
746d9732 MK |
293 | |
294 | reg2[0] = 0x60; | |
295 | reg2[1] = 0xbf; | |
68d5ce70 | 296 | tuner_transfer(fe, &msg, 1); |
746d9732 MK |
297 | |
298 | reg2[0] = 0x30; | |
299 | reg2[1] = tuner_reg[4] + 0x80; | |
68d5ce70 | 300 | tuner_transfer(fe, &msg, 1); |
746d9732 MK |
301 | |
302 | msleep(1); | |
303 | reg2[0] = 0x30; | |
304 | reg2[1] = tuner_reg[4] + 4; | |
68d5ce70 | 305 | tuner_transfer(fe, &msg, 1); |
746d9732 MK |
306 | |
307 | msleep(1); | |
308 | reg2[0] = 0x30; | |
309 | reg2[1] = tuner_reg[4]; | |
68d5ce70 | 310 | tuner_transfer(fe, &msg, 1); |
746d9732 MK |
311 | |
312 | msleep(550); | |
313 | reg2[0] = 0x30; | |
314 | reg2[1] = (tuner_reg[4] & 0xfc) + tda827x_table[i].cp; | |
68d5ce70 | 315 | tuner_transfer(fe, &msg, 1); |
746d9732 MK |
316 | |
317 | reg2[0] = 0x60; | |
318 | reg2[1] = 0x3f; | |
68d5ce70 | 319 | tuner_transfer(fe, &msg, 1); |
746d9732 MK |
320 | |
321 | reg2[0] = 0x80; | |
322 | reg2[1] = 0x08; /* Vsync en */ | |
68d5ce70 | 323 | tuner_transfer(fe, &msg, 1); |
746d9732 | 324 | |
92d90f1a | 325 | priv->frequency = params->frequency; |
746d9732 MK |
326 | |
327 | return 0; | |
328 | } | |
329 | ||
330 | static 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 | ||
68d5ce70 | 337 | tuner_transfer(fe, &msg, 1); |
746d9732 MK |
338 | } |
339 | ||
340 | /* ------------------------------------------------------------------ */ | |
341 | ||
8ce47dad MK |
342 | struct tda827xa_data { |
343 | u32 lomax; | |
344 | u8 svco; | |
345 | u8 spd; | |
346 | u8 scr; | |
347 | u8 sbs; | |
348 | u8 gc3; | |
349 | }; | |
350 | ||
cf47d878 | 351 | static struct tda827xa_data tda827xa_dvbt[] = { |
8ce47dad MK |
352 | { .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 | ||
cf47d878 | 381 | static 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 | ||
746d9732 MK |
411 | static 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 | ||
7bff4b4d HH |
440 | static 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__); | |
7bff4b4d | 448 | |
68d5ce70 | 449 | tuner_transfer(fe, &msg, 1); |
7bff4b4d HH |
450 | |
451 | if (priv->cfg && priv->cfg->sleep) | |
452 | priv->cfg->sleep(fe); | |
453 | ||
454 | return 0; | |
455 | } | |
456 | ||
457 | static 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; | |
67642a0a | 464 | struct i2c_msg msg = { .flags = 0, .buf = buf, .len = sizeof(buf) }; |
7bff4b4d HH |
465 | |
466 | if (NULL == priv->cfg) { | |
467 | dprintk("tda827x_config not defined, cannot set LNA gain!\n"); | |
468 | return; | |
469 | } | |
67642a0a | 470 | msg.addr = priv->cfg->switch_addr; |
7bff4b4d HH |
471 | 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) { | |
1bacb2df | 478 | case TDA8290_LNA_OFF: /* no LNA */ |
7bff4b4d | 479 | break; |
1bacb2df OZ |
480 | case TDA8290_LNA_GP0_HIGH_ON: /* switch is GPIO 0 of tda8290 */ |
481 | case TDA8290_LNA_GP0_HIGH_OFF: | |
7bff4b4d HH |
482 | 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 | } | |
d7cba043 MK |
493 | if (fe->callback) |
494 | fe->callback(priv->i2c_adap->algo_data, | |
495 | DVB_FRONTEND_COMPONENT_TUNER, | |
496 | gp_func, arg); | |
7bff4b4d | 497 | buf[1] = high ? 0 : 1; |
1bacb2df | 498 | if (priv->cfg->config == TDA8290_LNA_GP0_HIGH_OFF) |
7bff4b4d | 499 | buf[1] = high ? 1 : 0; |
68d5ce70 | 500 | tuner_transfer(fe, &msg, 1); |
7bff4b4d | 501 | break; |
1bacb2df | 502 | case TDA8290_LNA_ON_BRIDGE: /* switch with GPIO of saa713x */ |
d7cba043 MK |
503 | if (fe->callback) |
504 | fe->callback(priv->i2c_adap->algo_data, | |
505 | DVB_FRONTEND_COMPONENT_TUNER, 0, high); | |
7bff4b4d HH |
506 | break; |
507 | } | |
508 | } | |
509 | ||
14d24d14 | 510 | static int tda827xa_set_params(struct dvb_frontend *fe) |
8ce47dad | 511 | { |
53ccd1ca | 512 | struct dtv_frontend_properties *c = &fe->dtv_property_cache; |
8ce47dad | 513 | struct tda827x_priv *priv = fe->tuner_priv; |
cf47d878 | 514 | struct tda827xa_data *frequency_map = tda827xa_dvbt; |
ede2200d | 515 | u8 buf[11]; |
8ce47dad MK |
516 | |
517 | struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = 0, | |
518 | .buf = buf, .len = sizeof(buf) }; | |
519 | ||
68d5ce70 | 520 | int i, tuner_freq, if_freq, rc; |
8ce47dad MK |
521 | u32 N; |
522 | ||
7bff4b4d HH |
523 | dprintk("%s:\n", __func__); |
524 | ||
525 | tda827xa_lna_gain(fe, 1, NULL); | |
8ce47dad MK |
526 | msleep(20); |
527 | ||
53ccd1ca MCC |
528 | if (c->bandwidth_hz == 0) { |
529 | if_freq = 5000000; | |
53ccd1ca | 530 | } else if (c->bandwidth_hz <= 6000000) { |
8ce47dad | 531 | if_freq = 4000000; |
53ccd1ca | 532 | } else if (c->bandwidth_hz <= 7000000) { |
8ce47dad | 533 | if_freq = 4500000; |
53ccd1ca | 534 | } else { /* 8 MHz */ |
8ce47dad | 535 | if_freq = 5000000; |
8ce47dad | 536 | } |
53ccd1ca | 537 | tuner_freq = c->frequency; |
8ce47dad | 538 | |
6225f18b MCC |
539 | switch (c->delivery_system) { |
540 | case SYS_DVBC_ANNEX_A: | |
541 | case SYS_DVBC_ANNEX_C: | |
cf47d878 | 542 | dprintk("%s select tda827xa_dvbc\n", __func__); |
543 | frequency_map = tda827xa_dvbc; | |
6225f18b MCC |
544 | break; |
545 | default: | |
546 | break; | |
cf47d878 | 547 | } |
548 | ||
8ce47dad | 549 | i = 0; |
cf47d878 | 550 | while (frequency_map[i].lomax < tuner_freq) { |
551 | if (frequency_map[i + 1].lomax == 0) | |
8ce47dad MK |
552 | break; |
553 | i++; | |
554 | } | |
555 | ||
2d84ca21 JAR |
556 | tuner_freq += if_freq; |
557 | ||
cf47d878 | 558 | N = ((tuner_freq + 31250) / 62500) << frequency_map[i].spd; |
8ce47dad MK |
559 | buf[0] = 0; // subaddress |
560 | buf[1] = N >> 8; | |
561 | buf[2] = N & 0xff; | |
562 | buf[3] = 0; | |
563 | buf[4] = 0x16; | |
cf47d878 | 564 | 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); | |
8ce47dad MK |
567 | buf[7] = 0x1c; |
568 | buf[8] = 0x06; | |
569 | buf[9] = 0x24; | |
570 | buf[10] = 0x00; | |
571 | msg.len = 11; | |
68d5ce70 MCC |
572 | rc = tuner_transfer(fe, &msg, 1); |
573 | if (rc < 0) | |
574 | goto err; | |
575 | ||
8ce47dad MK |
576 | 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; | |
68d5ce70 MCC |
582 | rc = tuner_transfer(fe, &msg, 1); |
583 | if (rc < 0) | |
584 | goto err; | |
8ce47dad MK |
585 | |
586 | buf[0] = 0xa0; | |
587 | buf[1] = 0x40; | |
588 | msg.len = 2; | |
68d5ce70 MCC |
589 | rc = tuner_transfer(fe, &msg, 1); |
590 | if (rc < 0) | |
591 | goto err; | |
8ce47dad MK |
592 | |
593 | msleep(11); | |
594 | msg.flags = I2C_M_RD; | |
68d5ce70 MCC |
595 | rc = tuner_transfer(fe, &msg, 1); |
596 | if (rc < 0) | |
597 | goto err; | |
8ce47dad MK |
598 | msg.flags = 0; |
599 | ||
600 | buf[1] >>= 4; | |
601 | dprintk("tda8275a AGC2 gain is: %d\n", buf[1]); | |
602 | if ((buf[1]) < 2) { | |
7bff4b4d | 603 | tda827xa_lna_gain(fe, 0, NULL); |
8ce47dad MK |
604 | buf[0] = 0x60; |
605 | buf[1] = 0x0c; | |
68d5ce70 MCC |
606 | rc = tuner_transfer(fe, &msg, 1); |
607 | if (rc < 0) | |
608 | goto err; | |
8ce47dad MK |
609 | } |
610 | ||
611 | buf[0] = 0xc0; | |
612 | buf[1] = 0x99; // lpsel, for 6MHz + 2 | |
68d5ce70 MCC |
613 | rc = tuner_transfer(fe, &msg, 1); |
614 | if (rc < 0) | |
615 | goto err; | |
8ce47dad MK |
616 | |
617 | buf[0] = 0x60; | |
618 | buf[1] = 0x3c; | |
68d5ce70 MCC |
619 | rc = tuner_transfer(fe, &msg, 1); |
620 | if (rc < 0) | |
621 | goto err; | |
8ce47dad MK |
622 | |
623 | /* correct CP value */ | |
624 | buf[0] = 0x30; | |
cf47d878 | 625 | buf[1] = 0x10 + frequency_map[i].scr; |
68d5ce70 MCC |
626 | rc = tuner_transfer(fe, &msg, 1); |
627 | if (rc < 0) | |
628 | goto err; | |
8ce47dad MK |
629 | |
630 | msleep(163); | |
631 | buf[0] = 0xc0; | |
632 | buf[1] = 0x39; // lpsel, for 6MHz + 2 | |
68d5ce70 MCC |
633 | rc = tuner_transfer(fe, &msg, 1); |
634 | if (rc < 0) | |
635 | goto err; | |
8ce47dad MK |
636 | |
637 | msleep(3); | |
638 | /* freeze AGC1 */ | |
639 | buf[0] = 0x50; | |
cf47d878 | 640 | buf[1] = 0x4f + (frequency_map[i].gc3 << 4); |
68d5ce70 MCC |
641 | rc = tuner_transfer(fe, &msg, 1); |
642 | if (rc < 0) | |
643 | goto err; | |
8ce47dad | 644 | |
53ccd1ca | 645 | priv->frequency = c->frequency; |
c6f56e7d | 646 | priv->bandwidth = c->bandwidth_hz; |
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 | ||
f2709c20 MCC |
766 | static void tda827x_release(struct dvb_frontend *fe) |
767 | { | |
768 | kfree(fe->tuner_priv); | |
769 | fe->tuner_priv = NULL; | |
770 | } | |
771 | ||
8ce47dad MK |
772 | static 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 | ||
779 | static 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 | ||
786 | static int tda827x_init(struct dvb_frontend *fe) | |
787 | { | |
788 | struct tda827x_priv *priv = fe->tuner_priv; | |
7bff4b4d | 789 | dprintk("%s:\n", __func__); |
8ce47dad MK |
790 | if (priv->cfg && priv->cfg->init) |
791 | priv->cfg->init(fe); | |
792 | ||
793 | return 0; | |
794 | } | |
795 | ||
9971f4f1 HH |
796 | static int tda827x_probe_version(struct dvb_frontend *fe); |
797 | ||
798 | static 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 | ||
807 | static 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 | } | |
8ce47dad | 815 | |
96105144 | 816 | static const struct dvb_tuner_ops tda827xo_tuner_ops = { |
8ce47dad MK |
817 | .info = { |
818 | .name = "Philips TDA827X", | |
a3f90c75 MCC |
819 | .frequency_min_hz = 55 * MHz, |
820 | .frequency_max_hz = 860 * MHz, | |
821 | .frequency_step_hz = 250 * kHz | |
8ce47dad | 822 | }, |
f2709c20 | 823 | .release = tda827x_release, |
9971f4f1 HH |
824 | .init = tda827x_initial_init, |
825 | .sleep = tda827x_initial_sleep, | |
8ce47dad | 826 | .set_params = tda827xo_set_params, |
746d9732 | 827 | .set_analog_params = tda827xo_set_analog_params, |
8ce47dad MK |
828 | .get_frequency = tda827x_get_frequency, |
829 | .get_bandwidth = tda827x_get_bandwidth, | |
830 | }; | |
831 | ||
96105144 | 832 | static const struct dvb_tuner_ops tda827xa_tuner_ops = { |
8ce47dad MK |
833 | .info = { |
834 | .name = "Philips TDA827XA", | |
a3f90c75 MCC |
835 | .frequency_min_hz = 44 * MHz, |
836 | .frequency_max_hz = 906 * MHz, | |
837 | .frequency_step_hz = 62500 | |
8ce47dad | 838 | }, |
f2709c20 | 839 | .release = tda827x_release, |
8ce47dad MK |
840 | .init = tda827x_init, |
841 | .sleep = tda827xa_sleep, | |
842 | .set_params = tda827xa_set_params, | |
746d9732 | 843 | .set_analog_params = tda827xa_set_analog_params, |
8ce47dad MK |
844 | .get_frequency = tda827x_get_frequency, |
845 | .get_bandwidth = tda827x_get_bandwidth, | |
846 | }; | |
847 | ||
9971f4f1 | 848 | static int tda827x_probe_version(struct dvb_frontend *fe) |
68d5ce70 MCC |
849 | { |
850 | u8 data; | |
851 | int rc; | |
9971f4f1 HH |
852 | struct tda827x_priv *priv = fe->tuner_priv; |
853 | struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = I2C_M_RD, | |
8ce47dad | 854 | .buf = &data, .len = 1 }; |
68d5ce70 MCC |
855 | |
856 | rc = tuner_transfer(fe, &msg, 1); | |
857 | ||
858 | if (rc < 0) { | |
8ce47dad | 859 | printk("%s: could not read from tuner at addr: 0x%02x\n", |
7bff4b4d | 860 | __func__, msg.addr << 1); |
68d5ce70 | 861 | return rc; |
9971f4f1 HH |
862 | } |
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; | |
3b0c453a MK |
867 | if (priv->cfg) |
868 | priv->cfg->agcf = tda827xo_agcf; | |
9971f4f1 HH |
869 | } else { |
870 | dprintk("tda827xa tuner found\n"); | |
871 | memcpy(&fe->ops.tuner_ops, &tda827xa_tuner_ops, sizeof(struct dvb_tuner_ops)); | |
3b0c453a MK |
872 | if (priv->cfg) |
873 | priv->cfg->agcf = tda827xa_agcf; | |
8ce47dad | 874 | } |
9971f4f1 HH |
875 | return 0; |
876 | } | |
877 | ||
878 | struct 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; | |
8ce47dad | 883 | |
7bff4b4d | 884 | dprintk("%s:\n", __func__); |
8ce47dad MK |
885 | 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; | |
9971f4f1 | 892 | memcpy(&fe->ops.tuner_ops, &tda827xo_tuner_ops, sizeof(struct dvb_tuner_ops)); |
8ce47dad | 893 | fe->tuner_priv = priv; |
9971f4f1 | 894 | |
746d9732 MK |
895 | dprintk("type set to %s\n", fe->ops.tuner_ops.info.name); |
896 | ||
8ce47dad MK |
897 | return fe; |
898 | } | |
ce1f8bdb | 899 | EXPORT_SYMBOL_GPL(tda827x_attach); |
8ce47dad | 900 | |
8ce47dad | 901 | MODULE_DESCRIPTION("DVB TDA827x driver"); |
11f65106 HH |
902 | MODULE_AUTHOR("Hartmut Hackmann <hartmut.hackmann@t-online.de>"); |
903 | MODULE_AUTHOR("Michael Krufky <mkrufky@linuxtv.org>"); | |
8ce47dad | 904 | MODULE_LICENSE("GPL"); |