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c942fddf | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
8ce47dad MK |
2 | /* |
3 | * | |
4 | * (c) 2005 Hartmut Hackmann | |
5 | * (c) 2007 Michael Krufky | |
8ce47dad MK |
6 | */ |
7 | ||
8 | #include <linux/module.h> | |
5a0e3ad6 | 9 | #include <linux/slab.h> |
8ce47dad | 10 | #include <asm/types.h> |
746d9732 MK |
11 | #include <linux/dvb/frontend.h> |
12 | #include <linux/videodev2.h> | |
8ce47dad MK |
13 | |
14 | #include "tda827x.h" | |
15 | ||
ff699e6b | 16 | static int debug; |
746d9732 MK |
17 | module_param(debug, int, 0644); |
18 | MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off)."); | |
19 | ||
8ce47dad MK |
20 | #define dprintk(args...) \ |
21 | do { \ | |
22 | if (debug) printk(KERN_DEBUG "tda827x: " args); \ | |
23 | } while (0) | |
24 | ||
25 | struct tda827x_priv { | |
26 | int i2c_addr; | |
27 | struct i2c_adapter *i2c_adap; | |
28 | struct tda827x_config *cfg; | |
5c82f449 MK |
29 | |
30 | unsigned int sgIF; | |
31 | unsigned char lpsel; | |
32 | ||
8ce47dad MK |
33 | u32 frequency; |
34 | u32 bandwidth; | |
35 | }; | |
36 | ||
5c82f449 MK |
37 | static void tda827x_set_std(struct dvb_frontend *fe, |
38 | struct analog_parameters *params) | |
39 | { | |
40 | struct tda827x_priv *priv = fe->tuner_priv; | |
41 | char *mode; | |
42 | ||
43 | priv->lpsel = 0; | |
44 | if (params->std & V4L2_STD_MN) { | |
45 | priv->sgIF = 92; | |
46 | priv->lpsel = 1; | |
47 | mode = "MN"; | |
48 | } else if (params->std & V4L2_STD_B) { | |
49 | priv->sgIF = 108; | |
50 | mode = "B"; | |
51 | } else if (params->std & V4L2_STD_GH) { | |
52 | priv->sgIF = 124; | |
53 | mode = "GH"; | |
54 | } else if (params->std & V4L2_STD_PAL_I) { | |
55 | priv->sgIF = 124; | |
56 | mode = "I"; | |
57 | } else if (params->std & V4L2_STD_DK) { | |
58 | priv->sgIF = 124; | |
59 | mode = "DK"; | |
60 | } else if (params->std & V4L2_STD_SECAM_L) { | |
61 | priv->sgIF = 124; | |
62 | mode = "L"; | |
63 | } else if (params->std & V4L2_STD_SECAM_LC) { | |
64 | priv->sgIF = 20; | |
65 | mode = "LC"; | |
66 | } else { | |
67 | priv->sgIF = 124; | |
68 | mode = "xx"; | |
69 | } | |
70 | ||
e5218eed | 71 | if (params->mode == V4L2_TUNER_RADIO) { |
5c82f449 | 72 | priv->sgIF = 88; /* if frequency is 5.5 MHz */ |
e5218eed MCC |
73 | dprintk("setting tda827x to radio FM\n"); |
74 | } else | |
75 | dprintk("setting tda827x to system %s\n", mode); | |
5c82f449 MK |
76 | } |
77 | ||
78 | ||
79 | /* ------------------------------------------------------------------ */ | |
80 | ||
8ce47dad MK |
81 | struct tda827x_data { |
82 | u32 lomax; | |
83 | u8 spd; | |
84 | u8 bs; | |
85 | u8 bp; | |
86 | u8 cp; | |
87 | u8 gc3; | |
88 | u8 div1p5; | |
89 | }; | |
90 | ||
746d9732 | 91 | static const struct tda827x_data tda827x_table[] = { |
8ce47dad MK |
92 | { .lomax = 62000000, .spd = 3, .bs = 2, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 1}, |
93 | { .lomax = 66000000, .spd = 3, .bs = 3, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 1}, | |
94 | { .lomax = 76000000, .spd = 3, .bs = 1, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 0}, | |
95 | { .lomax = 84000000, .spd = 3, .bs = 2, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 0}, | |
96 | { .lomax = 93000000, .spd = 3, .bs = 2, .bp = 0, .cp = 0, .gc3 = 1, .div1p5 = 0}, | |
97 | { .lomax = 98000000, .spd = 3, .bs = 3, .bp = 0, .cp = 0, .gc3 = 1, .div1p5 = 0}, | |
98 | { .lomax = 109000000, .spd = 3, .bs = 3, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 0}, | |
99 | { .lomax = 123000000, .spd = 2, .bs = 2, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 1}, | |
100 | { .lomax = 133000000, .spd = 2, .bs = 3, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 1}, | |
101 | { .lomax = 151000000, .spd = 2, .bs = 1, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 0}, | |
102 | { .lomax = 154000000, .spd = 2, .bs = 2, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 0}, | |
103 | { .lomax = 181000000, .spd = 2, .bs = 2, .bp = 1, .cp = 0, .gc3 = 0, .div1p5 = 0}, | |
104 | { .lomax = 185000000, .spd = 2, .bs = 2, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0}, | |
105 | { .lomax = 217000000, .spd = 2, .bs = 3, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0}, | |
106 | { .lomax = 244000000, .spd = 1, .bs = 2, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 1}, | |
107 | { .lomax = 265000000, .spd = 1, .bs = 3, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 1}, | |
108 | { .lomax = 302000000, .spd = 1, .bs = 1, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0}, | |
109 | { .lomax = 324000000, .spd = 1, .bs = 2, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0}, | |
110 | { .lomax = 370000000, .spd = 1, .bs = 2, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 0}, | |
111 | { .lomax = 454000000, .spd = 1, .bs = 3, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 0}, | |
112 | { .lomax = 493000000, .spd = 0, .bs = 2, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 1}, | |
113 | { .lomax = 530000000, .spd = 0, .bs = 3, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 1}, | |
114 | { .lomax = 554000000, .spd = 0, .bs = 1, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 0}, | |
115 | { .lomax = 604000000, .spd = 0, .bs = 1, .bp = 4, .cp = 0, .gc3 = 0, .div1p5 = 0}, | |
116 | { .lomax = 696000000, .spd = 0, .bs = 2, .bp = 4, .cp = 0, .gc3 = 0, .div1p5 = 0}, | |
117 | { .lomax = 740000000, .spd = 0, .bs = 2, .bp = 4, .cp = 1, .gc3 = 0, .div1p5 = 0}, | |
118 | { .lomax = 820000000, .spd = 0, .bs = 3, .bp = 4, .cp = 0, .gc3 = 0, .div1p5 = 0}, | |
119 | { .lomax = 865000000, .spd = 0, .bs = 3, .bp = 4, .cp = 1, .gc3 = 0, .div1p5 = 0}, | |
120 | { .lomax = 0, .spd = 0, .bs = 0, .bp = 0, .cp = 0, .gc3 = 0, .div1p5 = 0} | |
121 | }; | |
122 | ||
68d5ce70 MCC |
123 | static int tuner_transfer(struct dvb_frontend *fe, |
124 | struct i2c_msg *msg, | |
125 | const int size) | |
126 | { | |
127 | int rc; | |
128 | struct tda827x_priv *priv = fe->tuner_priv; | |
129 | ||
130 | if (fe->ops.i2c_gate_ctrl) | |
131 | fe->ops.i2c_gate_ctrl(fe, 1); | |
132 | rc = i2c_transfer(priv->i2c_adap, msg, size); | |
133 | if (fe->ops.i2c_gate_ctrl) | |
134 | fe->ops.i2c_gate_ctrl(fe, 0); | |
135 | ||
136 | if (rc >= 0 && rc != size) | |
137 | return -EIO; | |
138 | ||
139 | return rc; | |
140 | } | |
141 | ||
14d24d14 | 142 | static int tda827xo_set_params(struct dvb_frontend *fe) |
8ce47dad | 143 | { |
53ccd1ca | 144 | struct dtv_frontend_properties *c = &fe->dtv_property_cache; |
8ce47dad MK |
145 | struct tda827x_priv *priv = fe->tuner_priv; |
146 | u8 buf[14]; | |
68d5ce70 | 147 | int rc; |
8ce47dad MK |
148 | |
149 | struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = 0, | |
150 | .buf = buf, .len = sizeof(buf) }; | |
151 | int i, tuner_freq, if_freq; | |
152 | u32 N; | |
153 | ||
7bff4b4d | 154 | dprintk("%s:\n", __func__); |
53ccd1ca MCC |
155 | if (c->bandwidth_hz == 0) { |
156 | if_freq = 5000000; | |
53ccd1ca | 157 | } else if (c->bandwidth_hz <= 6000000) { |
8ce47dad | 158 | if_freq = 4000000; |
53ccd1ca | 159 | } else if (c->bandwidth_hz <= 7000000) { |
8ce47dad | 160 | if_freq = 4500000; |
53ccd1ca | 161 | } else { /* 8 MHz */ |
8ce47dad | 162 | if_freq = 5000000; |
8ce47dad | 163 | } |
53ccd1ca | 164 | tuner_freq = c->frequency; |
8ce47dad MK |
165 | |
166 | i = 0; | |
746d9732 MK |
167 | while (tda827x_table[i].lomax < tuner_freq) { |
168 | if (tda827x_table[i + 1].lomax == 0) | |
8ce47dad MK |
169 | break; |
170 | i++; | |
171 | } | |
172 | ||
2d84ca21 JAR |
173 | tuner_freq += if_freq; |
174 | ||
746d9732 | 175 | N = ((tuner_freq + 125000) / 250000) << (tda827x_table[i].spd + 2); |
8ce47dad MK |
176 | buf[0] = 0; |
177 | buf[1] = (N>>8) | 0x40; | |
178 | buf[2] = N & 0xff; | |
179 | buf[3] = 0; | |
180 | buf[4] = 0x52; | |
746d9732 MK |
181 | buf[5] = (tda827x_table[i].spd << 6) + (tda827x_table[i].div1p5 << 5) + |
182 | (tda827x_table[i].bs << 3) + | |
183 | tda827x_table[i].bp; | |
184 | buf[6] = (tda827x_table[i].gc3 << 4) + 0x8f; | |
8ce47dad MK |
185 | buf[7] = 0xbf; |
186 | buf[8] = 0x2a; | |
187 | buf[9] = 0x05; | |
188 | buf[10] = 0xff; | |
189 | buf[11] = 0x00; | |
190 | buf[12] = 0x00; | |
191 | buf[13] = 0x40; | |
192 | ||
193 | msg.len = 14; | |
68d5ce70 MCC |
194 | rc = tuner_transfer(fe, &msg, 1); |
195 | if (rc < 0) | |
196 | goto err; | |
197 | ||
8ce47dad MK |
198 | msleep(500); |
199 | /* correct CP value */ | |
200 | buf[0] = 0x30; | |
746d9732 | 201 | buf[1] = 0x50 + tda827x_table[i].cp; |
8ce47dad MK |
202 | msg.len = 2; |
203 | ||
68d5ce70 MCC |
204 | rc = tuner_transfer(fe, &msg, 1); |
205 | if (rc < 0) | |
206 | goto err; | |
8ce47dad | 207 | |
53ccd1ca | 208 | priv->frequency = c->frequency; |
c6f56e7d | 209 | priv->bandwidth = c->bandwidth_hz; |
8ce47dad MK |
210 | |
211 | return 0; | |
68d5ce70 MCC |
212 | |
213 | err: | |
214 | printk(KERN_ERR "%s: could not write to tuner at addr: 0x%02x\n", | |
215 | __func__, priv->i2c_addr << 1); | |
216 | return rc; | |
8ce47dad MK |
217 | } |
218 | ||
219 | static int tda827xo_sleep(struct dvb_frontend *fe) | |
220 | { | |
221 | struct tda827x_priv *priv = fe->tuner_priv; | |
222 | static u8 buf[] = { 0x30, 0xd0 }; | |
223 | struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = 0, | |
224 | .buf = buf, .len = sizeof(buf) }; | |
225 | ||
7bff4b4d | 226 | dprintk("%s:\n", __func__); |
68d5ce70 | 227 | tuner_transfer(fe, &msg, 1); |
8ce47dad MK |
228 | |
229 | if (priv->cfg && priv->cfg->sleep) | |
230 | priv->cfg->sleep(fe); | |
231 | ||
232 | return 0; | |
233 | } | |
234 | ||
235 | /* ------------------------------------------------------------------ */ | |
236 | ||
746d9732 MK |
237 | static int tda827xo_set_analog_params(struct dvb_frontend *fe, |
238 | struct analog_parameters *params) | |
239 | { | |
240 | unsigned char tuner_reg[8]; | |
241 | unsigned char reg2[2]; | |
242 | u32 N; | |
243 | int i; | |
244 | struct tda827x_priv *priv = fe->tuner_priv; | |
245 | struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = 0 }; | |
246 | unsigned int freq = params->frequency; | |
247 | ||
5c82f449 MK |
248 | tda827x_set_std(fe, params); |
249 | ||
746d9732 MK |
250 | if (params->mode == V4L2_TUNER_RADIO) |
251 | freq = freq / 1000; | |
252 | ||
5c82f449 | 253 | N = freq + priv->sgIF; |
746d9732 MK |
254 | |
255 | i = 0; | |
256 | while (tda827x_table[i].lomax < N * 62500) { | |
257 | if (tda827x_table[i + 1].lomax == 0) | |
258 | break; | |
259 | i++; | |
260 | } | |
261 | ||
262 | N = N << tda827x_table[i].spd; | |
263 | ||
264 | tuner_reg[0] = 0; | |
265 | tuner_reg[1] = (unsigned char)(N>>8); | |
266 | tuner_reg[2] = (unsigned char) N; | |
267 | tuner_reg[3] = 0x40; | |
5c82f449 | 268 | tuner_reg[4] = 0x52 + (priv->lpsel << 5); |
746d9732 MK |
269 | tuner_reg[5] = (tda827x_table[i].spd << 6) + |
270 | (tda827x_table[i].div1p5 << 5) + | |
271 | (tda827x_table[i].bs << 3) + tda827x_table[i].bp; | |
272 | tuner_reg[6] = 0x8f + (tda827x_table[i].gc3 << 4); | |
273 | tuner_reg[7] = 0x8f; | |
274 | ||
275 | msg.buf = tuner_reg; | |
276 | msg.len = 8; | |
68d5ce70 | 277 | tuner_transfer(fe, &msg, 1); |
746d9732 MK |
278 | |
279 | msg.buf = reg2; | |
280 | msg.len = 2; | |
281 | reg2[0] = 0x80; | |
282 | reg2[1] = 0; | |
68d5ce70 | 283 | tuner_transfer(fe, &msg, 1); |
746d9732 MK |
284 | |
285 | reg2[0] = 0x60; | |
286 | reg2[1] = 0xbf; | |
68d5ce70 | 287 | tuner_transfer(fe, &msg, 1); |
746d9732 MK |
288 | |
289 | reg2[0] = 0x30; | |
290 | reg2[1] = tuner_reg[4] + 0x80; | |
68d5ce70 | 291 | tuner_transfer(fe, &msg, 1); |
746d9732 MK |
292 | |
293 | msleep(1); | |
294 | reg2[0] = 0x30; | |
295 | reg2[1] = tuner_reg[4] + 4; | |
68d5ce70 | 296 | tuner_transfer(fe, &msg, 1); |
746d9732 MK |
297 | |
298 | msleep(1); | |
299 | reg2[0] = 0x30; | |
300 | reg2[1] = tuner_reg[4]; | |
68d5ce70 | 301 | tuner_transfer(fe, &msg, 1); |
746d9732 MK |
302 | |
303 | msleep(550); | |
304 | reg2[0] = 0x30; | |
305 | reg2[1] = (tuner_reg[4] & 0xfc) + tda827x_table[i].cp; | |
68d5ce70 | 306 | tuner_transfer(fe, &msg, 1); |
746d9732 MK |
307 | |
308 | reg2[0] = 0x60; | |
309 | reg2[1] = 0x3f; | |
68d5ce70 | 310 | tuner_transfer(fe, &msg, 1); |
746d9732 MK |
311 | |
312 | reg2[0] = 0x80; | |
313 | reg2[1] = 0x08; /* Vsync en */ | |
68d5ce70 | 314 | tuner_transfer(fe, &msg, 1); |
746d9732 | 315 | |
92d90f1a | 316 | priv->frequency = params->frequency; |
746d9732 MK |
317 | |
318 | return 0; | |
319 | } | |
320 | ||
321 | static void tda827xo_agcf(struct dvb_frontend *fe) | |
322 | { | |
323 | struct tda827x_priv *priv = fe->tuner_priv; | |
324 | unsigned char data[] = { 0x80, 0x0c }; | |
325 | struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = 0, | |
326 | .buf = data, .len = 2}; | |
327 | ||
68d5ce70 | 328 | tuner_transfer(fe, &msg, 1); |
746d9732 MK |
329 | } |
330 | ||
331 | /* ------------------------------------------------------------------ */ | |
332 | ||
8ce47dad MK |
333 | struct tda827xa_data { |
334 | u32 lomax; | |
335 | u8 svco; | |
336 | u8 spd; | |
337 | u8 scr; | |
338 | u8 sbs; | |
339 | u8 gc3; | |
340 | }; | |
341 | ||
cf47d878 | 342 | static struct tda827xa_data tda827xa_dvbt[] = { |
8ce47dad MK |
343 | { .lomax = 56875000, .svco = 3, .spd = 4, .scr = 0, .sbs = 0, .gc3 = 1}, |
344 | { .lomax = 67250000, .svco = 0, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 1}, | |
345 | { .lomax = 81250000, .svco = 1, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 1}, | |
346 | { .lomax = 97500000, .svco = 2, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 1}, | |
347 | { .lomax = 113750000, .svco = 3, .spd = 3, .scr = 0, .sbs = 1, .gc3 = 1}, | |
348 | { .lomax = 134500000, .svco = 0, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, | |
349 | { .lomax = 154000000, .svco = 1, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, | |
350 | { .lomax = 162500000, .svco = 1, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, | |
351 | { .lomax = 183000000, .svco = 2, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, | |
352 | { .lomax = 195000000, .svco = 2, .spd = 2, .scr = 0, .sbs = 2, .gc3 = 1}, | |
353 | { .lomax = 227500000, .svco = 3, .spd = 2, .scr = 0, .sbs = 2, .gc3 = 1}, | |
354 | { .lomax = 269000000, .svco = 0, .spd = 1, .scr = 0, .sbs = 2, .gc3 = 1}, | |
355 | { .lomax = 290000000, .svco = 1, .spd = 1, .scr = 0, .sbs = 2, .gc3 = 1}, | |
356 | { .lomax = 325000000, .svco = 1, .spd = 1, .scr = 0, .sbs = 3, .gc3 = 1}, | |
357 | { .lomax = 390000000, .svco = 2, .spd = 1, .scr = 0, .sbs = 3, .gc3 = 1}, | |
358 | { .lomax = 455000000, .svco = 3, .spd = 1, .scr = 0, .sbs = 3, .gc3 = 1}, | |
359 | { .lomax = 520000000, .svco = 0, .spd = 0, .scr = 0, .sbs = 3, .gc3 = 1}, | |
360 | { .lomax = 538000000, .svco = 0, .spd = 0, .scr = 1, .sbs = 3, .gc3 = 1}, | |
361 | { .lomax = 550000000, .svco = 1, .spd = 0, .scr = 0, .sbs = 3, .gc3 = 1}, | |
362 | { .lomax = 620000000, .svco = 1, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0}, | |
363 | { .lomax = 650000000, .svco = 1, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0}, | |
364 | { .lomax = 700000000, .svco = 2, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0}, | |
365 | { .lomax = 780000000, .svco = 2, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0}, | |
366 | { .lomax = 820000000, .svco = 3, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0}, | |
367 | { .lomax = 870000000, .svco = 3, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0}, | |
368 | { .lomax = 911000000, .svco = 3, .spd = 0, .scr = 2, .sbs = 4, .gc3 = 0}, | |
369 | { .lomax = 0, .svco = 0, .spd = 0, .scr = 0, .sbs = 0, .gc3 = 0} | |
370 | }; | |
371 | ||
cf47d878 | 372 | static struct tda827xa_data tda827xa_dvbc[] = { |
373 | { .lomax = 50125000, .svco = 2, .spd = 4, .scr = 2, .sbs = 0, .gc3 = 3}, | |
374 | { .lomax = 58500000, .svco = 3, .spd = 4, .scr = 2, .sbs = 0, .gc3 = 3}, | |
375 | { .lomax = 69250000, .svco = 0, .spd = 3, .scr = 2, .sbs = 0, .gc3 = 3}, | |
376 | { .lomax = 83625000, .svco = 1, .spd = 3, .scr = 2, .sbs = 0, .gc3 = 3}, | |
377 | { .lomax = 97500000, .svco = 2, .spd = 3, .scr = 2, .sbs = 0, .gc3 = 3}, | |
378 | { .lomax = 100250000, .svco = 2, .spd = 3, .scr = 2, .sbs = 1, .gc3 = 1}, | |
379 | { .lomax = 117000000, .svco = 3, .spd = 3, .scr = 2, .sbs = 1, .gc3 = 1}, | |
380 | { .lomax = 138500000, .svco = 0, .spd = 2, .scr = 2, .sbs = 1, .gc3 = 1}, | |
381 | { .lomax = 167250000, .svco = 1, .spd = 2, .scr = 2, .sbs = 1, .gc3 = 1}, | |
382 | { .lomax = 187000000, .svco = 2, .spd = 2, .scr = 2, .sbs = 1, .gc3 = 1}, | |
383 | { .lomax = 200500000, .svco = 2, .spd = 2, .scr = 2, .sbs = 2, .gc3 = 1}, | |
384 | { .lomax = 234000000, .svco = 3, .spd = 2, .scr = 2, .sbs = 2, .gc3 = 3}, | |
385 | { .lomax = 277000000, .svco = 0, .spd = 1, .scr = 2, .sbs = 2, .gc3 = 3}, | |
386 | { .lomax = 325000000, .svco = 1, .spd = 1, .scr = 2, .sbs = 2, .gc3 = 1}, | |
387 | { .lomax = 334500000, .svco = 1, .spd = 1, .scr = 2, .sbs = 3, .gc3 = 3}, | |
388 | { .lomax = 401000000, .svco = 2, .spd = 1, .scr = 2, .sbs = 3, .gc3 = 3}, | |
389 | { .lomax = 468000000, .svco = 3, .spd = 1, .scr = 2, .sbs = 3, .gc3 = 1}, | |
390 | { .lomax = 535000000, .svco = 0, .spd = 0, .scr = 1, .sbs = 3, .gc3 = 1}, | |
391 | { .lomax = 554000000, .svco = 0, .spd = 0, .scr = 2, .sbs = 3, .gc3 = 1}, | |
392 | { .lomax = 638000000, .svco = 1, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 1}, | |
393 | { .lomax = 669000000, .svco = 1, .spd = 0, .scr = 2, .sbs = 4, .gc3 = 1}, | |
394 | { .lomax = 720000000, .svco = 2, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 1}, | |
395 | { .lomax = 802000000, .svco = 2, .spd = 0, .scr = 2, .sbs = 4, .gc3 = 1}, | |
396 | { .lomax = 835000000, .svco = 3, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 1}, | |
397 | { .lomax = 885000000, .svco = 3, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 1}, | |
398 | { .lomax = 911000000, .svco = 3, .spd = 0, .scr = 2, .sbs = 4, .gc3 = 1}, | |
399 | { .lomax = 0, .svco = 0, .spd = 0, .scr = 0, .sbs = 0, .gc3 = 0} | |
400 | }; | |
401 | ||
746d9732 MK |
402 | static struct tda827xa_data tda827xa_analog[] = { |
403 | { .lomax = 56875000, .svco = 3, .spd = 4, .scr = 0, .sbs = 0, .gc3 = 3}, | |
404 | { .lomax = 67250000, .svco = 0, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 3}, | |
405 | { .lomax = 81250000, .svco = 1, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 3}, | |
406 | { .lomax = 97500000, .svco = 2, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 3}, | |
407 | { .lomax = 113750000, .svco = 3, .spd = 3, .scr = 0, .sbs = 1, .gc3 = 1}, | |
408 | { .lomax = 134500000, .svco = 0, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, | |
409 | { .lomax = 154000000, .svco = 1, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, | |
410 | { .lomax = 162500000, .svco = 1, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, | |
411 | { .lomax = 183000000, .svco = 2, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, | |
412 | { .lomax = 195000000, .svco = 2, .spd = 2, .scr = 0, .sbs = 2, .gc3 = 1}, | |
413 | { .lomax = 227500000, .svco = 3, .spd = 2, .scr = 0, .sbs = 2, .gc3 = 3}, | |
414 | { .lomax = 269000000, .svco = 0, .spd = 1, .scr = 0, .sbs = 2, .gc3 = 3}, | |
415 | { .lomax = 325000000, .svco = 1, .spd = 1, .scr = 0, .sbs = 2, .gc3 = 1}, | |
416 | { .lomax = 390000000, .svco = 2, .spd = 1, .scr = 0, .sbs = 3, .gc3 = 3}, | |
417 | { .lomax = 455000000, .svco = 3, .spd = 1, .scr = 0, .sbs = 3, .gc3 = 3}, | |
418 | { .lomax = 520000000, .svco = 0, .spd = 0, .scr = 0, .sbs = 3, .gc3 = 1}, | |
419 | { .lomax = 538000000, .svco = 0, .spd = 0, .scr = 1, .sbs = 3, .gc3 = 1}, | |
420 | { .lomax = 554000000, .svco = 1, .spd = 0, .scr = 0, .sbs = 3, .gc3 = 1}, | |
421 | { .lomax = 620000000, .svco = 1, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0}, | |
422 | { .lomax = 650000000, .svco = 1, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0}, | |
423 | { .lomax = 700000000, .svco = 2, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0}, | |
424 | { .lomax = 780000000, .svco = 2, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0}, | |
425 | { .lomax = 820000000, .svco = 3, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0}, | |
426 | { .lomax = 870000000, .svco = 3, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0}, | |
427 | { .lomax = 911000000, .svco = 3, .spd = 0, .scr = 2, .sbs = 4, .gc3 = 0}, | |
428 | { .lomax = 0, .svco = 0, .spd = 0, .scr = 0, .sbs = 0, .gc3 = 0} | |
429 | }; | |
430 | ||
7bff4b4d HH |
431 | static int tda827xa_sleep(struct dvb_frontend *fe) |
432 | { | |
433 | struct tda827x_priv *priv = fe->tuner_priv; | |
434 | static u8 buf[] = { 0x30, 0x90 }; | |
435 | struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = 0, | |
436 | .buf = buf, .len = sizeof(buf) }; | |
437 | ||
438 | dprintk("%s:\n", __func__); | |
7bff4b4d | 439 | |
68d5ce70 | 440 | tuner_transfer(fe, &msg, 1); |
7bff4b4d HH |
441 | |
442 | if (priv->cfg && priv->cfg->sleep) | |
443 | priv->cfg->sleep(fe); | |
444 | ||
445 | return 0; | |
446 | } | |
447 | ||
448 | static void tda827xa_lna_gain(struct dvb_frontend *fe, int high, | |
449 | struct analog_parameters *params) | |
450 | { | |
451 | struct tda827x_priv *priv = fe->tuner_priv; | |
452 | unsigned char buf[] = {0x22, 0x01}; | |
453 | int arg; | |
454 | int gp_func; | |
67642a0a | 455 | struct i2c_msg msg = { .flags = 0, .buf = buf, .len = sizeof(buf) }; |
7bff4b4d HH |
456 | |
457 | if (NULL == priv->cfg) { | |
458 | dprintk("tda827x_config not defined, cannot set LNA gain!\n"); | |
459 | return; | |
460 | } | |
67642a0a | 461 | msg.addr = priv->cfg->switch_addr; |
7bff4b4d HH |
462 | if (priv->cfg->config) { |
463 | if (high) | |
464 | dprintk("setting LNA to high gain\n"); | |
465 | else | |
466 | dprintk("setting LNA to low gain\n"); | |
467 | } | |
468 | switch (priv->cfg->config) { | |
1bacb2df | 469 | case TDA8290_LNA_OFF: /* no LNA */ |
7bff4b4d | 470 | break; |
1bacb2df OZ |
471 | case TDA8290_LNA_GP0_HIGH_ON: /* switch is GPIO 0 of tda8290 */ |
472 | case TDA8290_LNA_GP0_HIGH_OFF: | |
7bff4b4d HH |
473 | if (params == NULL) { |
474 | gp_func = 0; | |
475 | arg = 0; | |
476 | } else { | |
477 | /* turn Vsync on */ | |
478 | gp_func = 1; | |
479 | if (params->std & V4L2_STD_MN) | |
480 | arg = 1; | |
481 | else | |
482 | arg = 0; | |
483 | } | |
d7cba043 MK |
484 | if (fe->callback) |
485 | fe->callback(priv->i2c_adap->algo_data, | |
486 | DVB_FRONTEND_COMPONENT_TUNER, | |
487 | gp_func, arg); | |
7bff4b4d | 488 | buf[1] = high ? 0 : 1; |
1bacb2df | 489 | if (priv->cfg->config == TDA8290_LNA_GP0_HIGH_OFF) |
7bff4b4d | 490 | buf[1] = high ? 1 : 0; |
68d5ce70 | 491 | tuner_transfer(fe, &msg, 1); |
7bff4b4d | 492 | break; |
1bacb2df | 493 | case TDA8290_LNA_ON_BRIDGE: /* switch with GPIO of saa713x */ |
d7cba043 MK |
494 | if (fe->callback) |
495 | fe->callback(priv->i2c_adap->algo_data, | |
496 | DVB_FRONTEND_COMPONENT_TUNER, 0, high); | |
7bff4b4d HH |
497 | break; |
498 | } | |
499 | } | |
500 | ||
14d24d14 | 501 | static int tda827xa_set_params(struct dvb_frontend *fe) |
8ce47dad | 502 | { |
53ccd1ca | 503 | struct dtv_frontend_properties *c = &fe->dtv_property_cache; |
8ce47dad | 504 | struct tda827x_priv *priv = fe->tuner_priv; |
cf47d878 | 505 | struct tda827xa_data *frequency_map = tda827xa_dvbt; |
ede2200d | 506 | u8 buf[11]; |
8ce47dad MK |
507 | |
508 | struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = 0, | |
509 | .buf = buf, .len = sizeof(buf) }; | |
510 | ||
68d5ce70 | 511 | int i, tuner_freq, if_freq, rc; |
8ce47dad MK |
512 | u32 N; |
513 | ||
7bff4b4d HH |
514 | dprintk("%s:\n", __func__); |
515 | ||
516 | tda827xa_lna_gain(fe, 1, NULL); | |
8ce47dad MK |
517 | msleep(20); |
518 | ||
53ccd1ca MCC |
519 | if (c->bandwidth_hz == 0) { |
520 | if_freq = 5000000; | |
53ccd1ca | 521 | } else if (c->bandwidth_hz <= 6000000) { |
8ce47dad | 522 | if_freq = 4000000; |
53ccd1ca | 523 | } else if (c->bandwidth_hz <= 7000000) { |
8ce47dad | 524 | if_freq = 4500000; |
53ccd1ca | 525 | } else { /* 8 MHz */ |
8ce47dad | 526 | if_freq = 5000000; |
8ce47dad | 527 | } |
53ccd1ca | 528 | tuner_freq = c->frequency; |
8ce47dad | 529 | |
6225f18b MCC |
530 | switch (c->delivery_system) { |
531 | case SYS_DVBC_ANNEX_A: | |
532 | case SYS_DVBC_ANNEX_C: | |
cf47d878 | 533 | dprintk("%s select tda827xa_dvbc\n", __func__); |
534 | frequency_map = tda827xa_dvbc; | |
6225f18b MCC |
535 | break; |
536 | default: | |
537 | break; | |
cf47d878 | 538 | } |
539 | ||
8ce47dad | 540 | i = 0; |
cf47d878 | 541 | while (frequency_map[i].lomax < tuner_freq) { |
542 | if (frequency_map[i + 1].lomax == 0) | |
8ce47dad MK |
543 | break; |
544 | i++; | |
545 | } | |
546 | ||
2d84ca21 JAR |
547 | tuner_freq += if_freq; |
548 | ||
cf47d878 | 549 | N = ((tuner_freq + 31250) / 62500) << frequency_map[i].spd; |
8ce47dad MK |
550 | buf[0] = 0; // subaddress |
551 | buf[1] = N >> 8; | |
552 | buf[2] = N & 0xff; | |
553 | buf[3] = 0; | |
554 | buf[4] = 0x16; | |
cf47d878 | 555 | buf[5] = (frequency_map[i].spd << 5) + (frequency_map[i].svco << 3) + |
556 | frequency_map[i].sbs; | |
557 | buf[6] = 0x4b + (frequency_map[i].gc3 << 4); | |
8ce47dad MK |
558 | buf[7] = 0x1c; |
559 | buf[8] = 0x06; | |
560 | buf[9] = 0x24; | |
561 | buf[10] = 0x00; | |
562 | msg.len = 11; | |
68d5ce70 MCC |
563 | rc = tuner_transfer(fe, &msg, 1); |
564 | if (rc < 0) | |
565 | goto err; | |
566 | ||
8ce47dad MK |
567 | buf[0] = 0x90; |
568 | buf[1] = 0xff; | |
569 | buf[2] = 0x60; | |
570 | buf[3] = 0x00; | |
571 | buf[4] = 0x59; // lpsel, for 6MHz + 2 | |
572 | msg.len = 5; | |
68d5ce70 MCC |
573 | rc = tuner_transfer(fe, &msg, 1); |
574 | if (rc < 0) | |
575 | goto err; | |
8ce47dad MK |
576 | |
577 | buf[0] = 0xa0; | |
578 | buf[1] = 0x40; | |
579 | msg.len = 2; | |
68d5ce70 MCC |
580 | rc = tuner_transfer(fe, &msg, 1); |
581 | if (rc < 0) | |
582 | goto err; | |
8ce47dad MK |
583 | |
584 | msleep(11); | |
585 | msg.flags = I2C_M_RD; | |
68d5ce70 MCC |
586 | rc = tuner_transfer(fe, &msg, 1); |
587 | if (rc < 0) | |
588 | goto err; | |
8ce47dad MK |
589 | msg.flags = 0; |
590 | ||
591 | buf[1] >>= 4; | |
592 | dprintk("tda8275a AGC2 gain is: %d\n", buf[1]); | |
593 | if ((buf[1]) < 2) { | |
7bff4b4d | 594 | tda827xa_lna_gain(fe, 0, NULL); |
8ce47dad MK |
595 | buf[0] = 0x60; |
596 | buf[1] = 0x0c; | |
68d5ce70 MCC |
597 | rc = tuner_transfer(fe, &msg, 1); |
598 | if (rc < 0) | |
599 | goto err; | |
8ce47dad MK |
600 | } |
601 | ||
602 | buf[0] = 0xc0; | |
603 | buf[1] = 0x99; // lpsel, for 6MHz + 2 | |
68d5ce70 MCC |
604 | rc = tuner_transfer(fe, &msg, 1); |
605 | if (rc < 0) | |
606 | goto err; | |
8ce47dad MK |
607 | |
608 | buf[0] = 0x60; | |
609 | buf[1] = 0x3c; | |
68d5ce70 MCC |
610 | rc = tuner_transfer(fe, &msg, 1); |
611 | if (rc < 0) | |
612 | goto err; | |
8ce47dad MK |
613 | |
614 | /* correct CP value */ | |
615 | buf[0] = 0x30; | |
cf47d878 | 616 | buf[1] = 0x10 + frequency_map[i].scr; |
68d5ce70 MCC |
617 | rc = tuner_transfer(fe, &msg, 1); |
618 | if (rc < 0) | |
619 | goto err; | |
8ce47dad MK |
620 | |
621 | msleep(163); | |
622 | buf[0] = 0xc0; | |
623 | buf[1] = 0x39; // lpsel, for 6MHz + 2 | |
68d5ce70 MCC |
624 | rc = tuner_transfer(fe, &msg, 1); |
625 | if (rc < 0) | |
626 | goto err; | |
8ce47dad MK |
627 | |
628 | msleep(3); | |
629 | /* freeze AGC1 */ | |
630 | buf[0] = 0x50; | |
cf47d878 | 631 | buf[1] = 0x4f + (frequency_map[i].gc3 << 4); |
68d5ce70 MCC |
632 | rc = tuner_transfer(fe, &msg, 1); |
633 | if (rc < 0) | |
634 | goto err; | |
8ce47dad | 635 | |
53ccd1ca | 636 | priv->frequency = c->frequency; |
c6f56e7d | 637 | priv->bandwidth = c->bandwidth_hz; |
68d5ce70 | 638 | |
8ce47dad | 639 | return 0; |
68d5ce70 MCC |
640 | |
641 | err: | |
642 | printk(KERN_ERR "%s: could not write to tuner at addr: 0x%02x\n", | |
643 | __func__, priv->i2c_addr << 1); | |
644 | return rc; | |
8ce47dad MK |
645 | } |
646 | ||
746d9732 MK |
647 | |
648 | static int tda827xa_set_analog_params(struct dvb_frontend *fe, | |
649 | struct analog_parameters *params) | |
650 | { | |
651 | unsigned char tuner_reg[11]; | |
652 | u32 N; | |
653 | int i; | |
654 | struct tda827x_priv *priv = fe->tuner_priv; | |
655 | struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = 0, | |
656 | .buf = tuner_reg, .len = sizeof(tuner_reg) }; | |
657 | unsigned int freq = params->frequency; | |
658 | ||
5c82f449 MK |
659 | tda827x_set_std(fe, params); |
660 | ||
746d9732 MK |
661 | tda827xa_lna_gain(fe, 1, params); |
662 | msleep(10); | |
663 | ||
664 | if (params->mode == V4L2_TUNER_RADIO) | |
665 | freq = freq / 1000; | |
666 | ||
5c82f449 | 667 | N = freq + priv->sgIF; |
746d9732 MK |
668 | |
669 | i = 0; | |
670 | while (tda827xa_analog[i].lomax < N * 62500) { | |
671 | if (tda827xa_analog[i + 1].lomax == 0) | |
672 | break; | |
673 | i++; | |
674 | } | |
675 | ||
676 | N = N << tda827xa_analog[i].spd; | |
677 | ||
678 | tuner_reg[0] = 0; | |
679 | tuner_reg[1] = (unsigned char)(N>>8); | |
680 | tuner_reg[2] = (unsigned char) N; | |
681 | tuner_reg[3] = 0; | |
682 | tuner_reg[4] = 0x16; | |
683 | tuner_reg[5] = (tda827xa_analog[i].spd << 5) + | |
684 | (tda827xa_analog[i].svco << 3) + | |
685 | tda827xa_analog[i].sbs; | |
686 | tuner_reg[6] = 0x8b + (tda827xa_analog[i].gc3 << 4); | |
687 | tuner_reg[7] = 0x1c; | |
688 | tuner_reg[8] = 4; | |
689 | tuner_reg[9] = 0x20; | |
690 | tuner_reg[10] = 0x00; | |
691 | msg.len = 11; | |
68d5ce70 | 692 | tuner_transfer(fe, &msg, 1); |
746d9732 MK |
693 | |
694 | tuner_reg[0] = 0x90; | |
695 | tuner_reg[1] = 0xff; | |
696 | tuner_reg[2] = 0xe0; | |
697 | tuner_reg[3] = 0; | |
5c82f449 | 698 | tuner_reg[4] = 0x99 + (priv->lpsel << 1); |
746d9732 | 699 | msg.len = 5; |
68d5ce70 | 700 | tuner_transfer(fe, &msg, 1); |
746d9732 MK |
701 | |
702 | tuner_reg[0] = 0xa0; | |
703 | tuner_reg[1] = 0xc0; | |
704 | msg.len = 2; | |
68d5ce70 | 705 | tuner_transfer(fe, &msg, 1); |
746d9732 MK |
706 | |
707 | tuner_reg[0] = 0x30; | |
708 | tuner_reg[1] = 0x10 + tda827xa_analog[i].scr; | |
68d5ce70 | 709 | tuner_transfer(fe, &msg, 1); |
746d9732 MK |
710 | |
711 | msg.flags = I2C_M_RD; | |
68d5ce70 | 712 | tuner_transfer(fe, &msg, 1); |
746d9732 MK |
713 | msg.flags = 0; |
714 | tuner_reg[1] >>= 4; | |
715 | dprintk("AGC2 gain is: %d\n", tuner_reg[1]); | |
716 | if (tuner_reg[1] < 1) | |
717 | tda827xa_lna_gain(fe, 0, params); | |
718 | ||
719 | msleep(100); | |
720 | tuner_reg[0] = 0x60; | |
721 | tuner_reg[1] = 0x3c; | |
68d5ce70 | 722 | tuner_transfer(fe, &msg, 1); |
746d9732 MK |
723 | |
724 | msleep(163); | |
725 | tuner_reg[0] = 0x50; | |
726 | tuner_reg[1] = 0x8f + (tda827xa_analog[i].gc3 << 4); | |
68d5ce70 | 727 | tuner_transfer(fe, &msg, 1); |
746d9732 MK |
728 | |
729 | tuner_reg[0] = 0x80; | |
730 | tuner_reg[1] = 0x28; | |
68d5ce70 | 731 | tuner_transfer(fe, &msg, 1); |
746d9732 MK |
732 | |
733 | tuner_reg[0] = 0xb0; | |
734 | tuner_reg[1] = 0x01; | |
68d5ce70 | 735 | tuner_transfer(fe, &msg, 1); |
746d9732 MK |
736 | |
737 | tuner_reg[0] = 0xc0; | |
5c82f449 | 738 | tuner_reg[1] = 0x19 + (priv->lpsel << 1); |
68d5ce70 | 739 | tuner_transfer(fe, &msg, 1); |
746d9732 | 740 | |
92d90f1a | 741 | priv->frequency = params->frequency; |
746d9732 MK |
742 | |
743 | return 0; | |
744 | } | |
745 | ||
746 | static void tda827xa_agcf(struct dvb_frontend *fe) | |
747 | { | |
748 | struct tda827x_priv *priv = fe->tuner_priv; | |
749 | unsigned char data[] = {0x80, 0x2c}; | |
750 | struct i2c_msg msg = {.addr = priv->i2c_addr, .flags = 0, | |
751 | .buf = data, .len = 2}; | |
68d5ce70 | 752 | tuner_transfer(fe, &msg, 1); |
746d9732 MK |
753 | } |
754 | ||
755 | /* ------------------------------------------------------------------ */ | |
756 | ||
f2709c20 MCC |
757 | static void tda827x_release(struct dvb_frontend *fe) |
758 | { | |
759 | kfree(fe->tuner_priv); | |
760 | fe->tuner_priv = NULL; | |
761 | } | |
762 | ||
8ce47dad MK |
763 | static int tda827x_get_frequency(struct dvb_frontend *fe, u32 *frequency) |
764 | { | |
765 | struct tda827x_priv *priv = fe->tuner_priv; | |
766 | *frequency = priv->frequency; | |
767 | return 0; | |
768 | } | |
769 | ||
770 | static int tda827x_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) | |
771 | { | |
772 | struct tda827x_priv *priv = fe->tuner_priv; | |
773 | *bandwidth = priv->bandwidth; | |
774 | return 0; | |
775 | } | |
776 | ||
777 | static int tda827x_init(struct dvb_frontend *fe) | |
778 | { | |
779 | struct tda827x_priv *priv = fe->tuner_priv; | |
7bff4b4d | 780 | dprintk("%s:\n", __func__); |
8ce47dad MK |
781 | if (priv->cfg && priv->cfg->init) |
782 | priv->cfg->init(fe); | |
783 | ||
784 | return 0; | |
785 | } | |
786 | ||
9971f4f1 HH |
787 | static int tda827x_probe_version(struct dvb_frontend *fe); |
788 | ||
789 | static int tda827x_initial_init(struct dvb_frontend *fe) | |
790 | { | |
791 | int ret; | |
792 | ret = tda827x_probe_version(fe); | |
793 | if (ret) | |
794 | return ret; | |
795 | return fe->ops.tuner_ops.init(fe); | |
796 | } | |
797 | ||
798 | static int tda827x_initial_sleep(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.sleep(fe); | |
805 | } | |
8ce47dad | 806 | |
96105144 | 807 | static const struct dvb_tuner_ops tda827xo_tuner_ops = { |
8ce47dad MK |
808 | .info = { |
809 | .name = "Philips TDA827X", | |
a3f90c75 MCC |
810 | .frequency_min_hz = 55 * MHz, |
811 | .frequency_max_hz = 860 * MHz, | |
812 | .frequency_step_hz = 250 * kHz | |
8ce47dad | 813 | }, |
f2709c20 | 814 | .release = tda827x_release, |
9971f4f1 HH |
815 | .init = tda827x_initial_init, |
816 | .sleep = tda827x_initial_sleep, | |
8ce47dad | 817 | .set_params = tda827xo_set_params, |
746d9732 | 818 | .set_analog_params = tda827xo_set_analog_params, |
8ce47dad MK |
819 | .get_frequency = tda827x_get_frequency, |
820 | .get_bandwidth = tda827x_get_bandwidth, | |
821 | }; | |
822 | ||
96105144 | 823 | static const struct dvb_tuner_ops tda827xa_tuner_ops = { |
8ce47dad MK |
824 | .info = { |
825 | .name = "Philips TDA827XA", | |
a3f90c75 MCC |
826 | .frequency_min_hz = 44 * MHz, |
827 | .frequency_max_hz = 906 * MHz, | |
828 | .frequency_step_hz = 62500 | |
8ce47dad | 829 | }, |
f2709c20 | 830 | .release = tda827x_release, |
8ce47dad MK |
831 | .init = tda827x_init, |
832 | .sleep = tda827xa_sleep, | |
833 | .set_params = tda827xa_set_params, | |
746d9732 | 834 | .set_analog_params = tda827xa_set_analog_params, |
8ce47dad MK |
835 | .get_frequency = tda827x_get_frequency, |
836 | .get_bandwidth = tda827x_get_bandwidth, | |
837 | }; | |
838 | ||
9971f4f1 | 839 | static int tda827x_probe_version(struct dvb_frontend *fe) |
68d5ce70 MCC |
840 | { |
841 | u8 data; | |
842 | int rc; | |
9971f4f1 HH |
843 | struct tda827x_priv *priv = fe->tuner_priv; |
844 | struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = I2C_M_RD, | |
8ce47dad | 845 | .buf = &data, .len = 1 }; |
68d5ce70 MCC |
846 | |
847 | rc = tuner_transfer(fe, &msg, 1); | |
848 | ||
849 | if (rc < 0) { | |
8ce47dad | 850 | printk("%s: could not read from tuner at addr: 0x%02x\n", |
7bff4b4d | 851 | __func__, msg.addr << 1); |
68d5ce70 | 852 | return rc; |
9971f4f1 HH |
853 | } |
854 | if ((data & 0x3c) == 0) { | |
855 | dprintk("tda827x tuner found\n"); | |
856 | fe->ops.tuner_ops.init = tda827x_init; | |
857 | fe->ops.tuner_ops.sleep = tda827xo_sleep; | |
3b0c453a MK |
858 | if (priv->cfg) |
859 | priv->cfg->agcf = tda827xo_agcf; | |
9971f4f1 HH |
860 | } else { |
861 | dprintk("tda827xa tuner found\n"); | |
862 | memcpy(&fe->ops.tuner_ops, &tda827xa_tuner_ops, sizeof(struct dvb_tuner_ops)); | |
3b0c453a MK |
863 | if (priv->cfg) |
864 | priv->cfg->agcf = tda827xa_agcf; | |
8ce47dad | 865 | } |
9971f4f1 HH |
866 | return 0; |
867 | } | |
868 | ||
869 | struct dvb_frontend *tda827x_attach(struct dvb_frontend *fe, int addr, | |
870 | struct i2c_adapter *i2c, | |
871 | struct tda827x_config *cfg) | |
872 | { | |
873 | struct tda827x_priv *priv = NULL; | |
8ce47dad | 874 | |
7bff4b4d | 875 | dprintk("%s:\n", __func__); |
8ce47dad MK |
876 | priv = kzalloc(sizeof(struct tda827x_priv), GFP_KERNEL); |
877 | if (priv == NULL) | |
878 | return NULL; | |
879 | ||
880 | priv->i2c_addr = addr; | |
881 | priv->i2c_adap = i2c; | |
882 | priv->cfg = cfg; | |
9971f4f1 | 883 | memcpy(&fe->ops.tuner_ops, &tda827xo_tuner_ops, sizeof(struct dvb_tuner_ops)); |
8ce47dad | 884 | fe->tuner_priv = priv; |
9971f4f1 | 885 | |
746d9732 MK |
886 | dprintk("type set to %s\n", fe->ops.tuner_ops.info.name); |
887 | ||
8ce47dad MK |
888 | return fe; |
889 | } | |
ce1f8bdb | 890 | EXPORT_SYMBOL_GPL(tda827x_attach); |
8ce47dad | 891 | |
8ce47dad | 892 | MODULE_DESCRIPTION("DVB TDA827x driver"); |
11f65106 HH |
893 | MODULE_AUTHOR("Hartmut Hackmann <hartmut.hackmann@t-online.de>"); |
894 | MODULE_AUTHOR("Michael Krufky <mkrufky@linuxtv.org>"); | |
8ce47dad | 895 | MODULE_LICENSE("GPL"); |