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treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / drivers / media / dvb-frontends / helene.c
blob8c1310c6b0bc239702fee9f58f057027c98ba927
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * helene.c
4 *
5 * Sony HELENE DVB-S/S2 DVB-T/T2 DVB-C/C2 ISDB-T/S tuner driver (CXD2858ER)
6 *
7 * Copyright 2012 Sony Corporation
8 * Copyright (C) 2014 NetUP Inc.
9 * Copyright (C) 2014 Abylay Ospan <aospan@netup.ru>
10 */
11
12 #include <linux/slab.h>
13 #include <linux/module.h>
14 #include <linux/dvb/frontend.h>
15 #include <linux/types.h>
16 #include "helene.h"
17 #include <media/dvb_frontend.h>
18
19 #define MAX_WRITE_REGSIZE 20
20
21 enum helene_state {
22 STATE_UNKNOWN,
23 STATE_SLEEP,
24 STATE_ACTIVE
25 };
26
27 struct helene_priv {
28 u32 frequency;
29 u8 i2c_address;
30 struct i2c_adapter *i2c;
31 enum helene_state state;
32 void *set_tuner_data;
33 int (*set_tuner)(void *, int);
34 enum helene_xtal xtal;
35 };
36
37 #define TERR_INTERNAL_LOOPFILTER_AVAILABLE(tv_system) \
38 (((tv_system) != SONY_HELENE_DTV_DVBC_6) && \
39 ((tv_system) != SONY_HELENE_DTV_DVBC_8)\
40 && ((tv_system) != SONY_HELENE_DTV_DVBC2_6) && \
41 ((tv_system) != SONY_HELENE_DTV_DVBC2_8))
42
43 #define HELENE_AUTO 0xff
44 #define HELENE_OFFSET(ofs) ((u8)(ofs) & 0x1F)
45 #define HELENE_BW_6 0x00
46 #define HELENE_BW_7 0x01
47 #define HELENE_BW_8 0x02
48 #define HELENE_BW_1_7 0x03
49
50 enum helene_tv_system_t {
51 SONY_HELENE_TV_SYSTEM_UNKNOWN,
52 /* Terrestrial Analog */
53 SONY_HELENE_ATV_MN_EIAJ,
54 /**< System-M (Japan) (IF: Fp=5.75MHz in default) */
55 SONY_HELENE_ATV_MN_SAP,
56 /**< System-M (US) (IF: Fp=5.75MHz in default) */
57 SONY_HELENE_ATV_MN_A2,
58 /**< System-M (Korea) (IF: Fp=5.9MHz in default) */
59 SONY_HELENE_ATV_BG,
60 /**< System-B/G (IF: Fp=7.3MHz in default) */
61 SONY_HELENE_ATV_I,
62 /**< System-I (IF: Fp=7.85MHz in default) */
63 SONY_HELENE_ATV_DK,
64 /**< System-D/K (IF: Fp=7.85MHz in default) */
65 SONY_HELENE_ATV_L,
66 /**< System-L (IF: Fp=7.85MHz in default) */
67 SONY_HELENE_ATV_L_DASH,
68 /**< System-L DASH (IF: Fp=2.2MHz in default) */
69 /* Terrestrial/Cable Digital */
70 SONY_HELENE_DTV_8VSB,
71 /**< ATSC 8VSB (IF: Fc=3.7MHz in default) */
72 SONY_HELENE_DTV_QAM,
73 /**< US QAM (IF: Fc=3.7MHz in default) */
74 SONY_HELENE_DTV_ISDBT_6,
75 /**< ISDB-T 6MHzBW (IF: Fc=3.55MHz in default) */
76 SONY_HELENE_DTV_ISDBT_7,
77 /**< ISDB-T 7MHzBW (IF: Fc=4.15MHz in default) */
78 SONY_HELENE_DTV_ISDBT_8,
79 /**< ISDB-T 8MHzBW (IF: Fc=4.75MHz in default) */
80 SONY_HELENE_DTV_DVBT_5,
81 /**< DVB-T 5MHzBW (IF: Fc=3.6MHz in default) */
82 SONY_HELENE_DTV_DVBT_6,
83 /**< DVB-T 6MHzBW (IF: Fc=3.6MHz in default) */
84 SONY_HELENE_DTV_DVBT_7,
85 /**< DVB-T 7MHzBW (IF: Fc=4.2MHz in default) */
86 SONY_HELENE_DTV_DVBT_8,
87 /**< DVB-T 8MHzBW (IF: Fc=4.8MHz in default) */
88 SONY_HELENE_DTV_DVBT2_1_7,
89 /**< DVB-T2 1.7MHzBW (IF: Fc=3.5MHz in default) */
90 SONY_HELENE_DTV_DVBT2_5,
91 /**< DVB-T2 5MHzBW (IF: Fc=3.6MHz in default) */
92 SONY_HELENE_DTV_DVBT2_6,
93 /**< DVB-T2 6MHzBW (IF: Fc=3.6MHz in default) */
94 SONY_HELENE_DTV_DVBT2_7,
95 /**< DVB-T2 7MHzBW (IF: Fc=4.2MHz in default) */
96 SONY_HELENE_DTV_DVBT2_8,
97 /**< DVB-T2 8MHzBW (IF: Fc=4.8MHz in default) */
98 SONY_HELENE_DTV_DVBC_6,
99 /**< DVB-C 6MHzBW (IF: Fc=3.7MHz in default) */
100 SONY_HELENE_DTV_DVBC_8,
101 /**< DVB-C 8MHzBW (IF: Fc=4.9MHz in default) */
102 SONY_HELENE_DTV_DVBC2_6,
103 /**< DVB-C2 6MHzBW (IF: Fc=3.7MHz in default) */
104 SONY_HELENE_DTV_DVBC2_8,
105 /**< DVB-C2 8MHzBW (IF: Fc=4.9MHz in default) */
106 SONY_HELENE_DTV_DTMB,
107 /**< DTMB (IF: Fc=5.1MHz in default) */
108 /* Satellite */
109 SONY_HELENE_STV_ISDBS,
110 /**< ISDB-S */
111 SONY_HELENE_STV_DVBS,
112 /**< DVB-S */
113 SONY_HELENE_STV_DVBS2,
114 /**< DVB-S2 */
115
116 SONY_HELENE_ATV_MIN = SONY_HELENE_ATV_MN_EIAJ,
117 /**< Minimum analog terrestrial system */
118 SONY_HELENE_ATV_MAX = SONY_HELENE_ATV_L_DASH,
119 /**< Maximum analog terrestrial system */
120 SONY_HELENE_DTV_MIN = SONY_HELENE_DTV_8VSB,
121 /**< Minimum digital terrestrial system */
122 SONY_HELENE_DTV_MAX = SONY_HELENE_DTV_DTMB,
123 /**< Maximum digital terrestrial system */
124 SONY_HELENE_TERR_TV_SYSTEM_NUM,
125 /**< Number of supported terrestrial broadcasting system */
126 SONY_HELENE_STV_MIN = SONY_HELENE_STV_ISDBS,
127 /**< Minimum satellite system */
128 SONY_HELENE_STV_MAX = SONY_HELENE_STV_DVBS2
129 /**< Maximum satellite system */
130 };
131
132 struct helene_terr_adjust_param_t {
133 /* < Addr:0x69 Bit[6:4] : RFVGA gain.
134 * 0xFF means Auto. (RF_GAIN_SEL = 1)
135 */
136 uint8_t RF_GAIN;
137 /* < Addr:0x69 Bit[3:0] : IF_BPF gain.
138 */
139 uint8_t IF_BPF_GC;
140 /* < Addr:0x6B Bit[3:0] : RF overload
141 * RF input detect level. (FRF <= 172MHz)
142 */
143 uint8_t RFOVLD_DET_LV1_VL;
144 /* < Addr:0x6B Bit[3:0] : RF overload
145 * RF input detect level. (172MHz < FRF <= 464MHz)
146 */
147 uint8_t RFOVLD_DET_LV1_VH;
148 /* < Addr:0x6B Bit[3:0] : RF overload
149 * RF input detect level. (FRF > 464MHz)
150 */
151 uint8_t RFOVLD_DET_LV1_U;
152 /* < Addr:0x6C Bit[2:0] :
153 * Internal RFAGC detect level. (FRF <= 172MHz)
154 */
155 uint8_t IFOVLD_DET_LV_VL;
156 /* < Addr:0x6C Bit[2:0] :
157 * Internal RFAGC detect level. (172MHz < FRF <= 464MHz)
158 */
159 uint8_t IFOVLD_DET_LV_VH;
160 /* < Addr:0x6C Bit[2:0] :
161 * Internal RFAGC detect level. (FRF > 464MHz)
162 */
163 uint8_t IFOVLD_DET_LV_U;
164 /* < Addr:0x6D Bit[5:4] :
165 * IF filter center offset.
166 */
167 uint8_t IF_BPF_F0;
168 /* < Addr:0x6D Bit[1:0] :
169 * 6MHzBW(0x00) or 7MHzBW(0x01)
170 * or 8MHzBW(0x02) or 1.7MHzBW(0x03)
171 */
172 uint8_t BW;
173 /* < Addr:0x6E Bit[4:0] :
174 * 5bit signed. IF offset (kHz) = FIF_OFFSET x 50
175 */
176 uint8_t FIF_OFFSET;
177 /* < Addr:0x6F Bit[4:0] :
178 * 5bit signed. BW offset (kHz) =
179 * BW_OFFSET x 50 (BW_OFFSET x 10 in 1.7MHzBW)
180 */
181 uint8_t BW_OFFSET;
182 /* < Addr:0x9C Bit[0] :
183 * Local polarity. (0: Upper Local, 1: Lower Local)
184 */
185 uint8_t IS_LOWERLOCAL;
186 };
187
188 static const struct helene_terr_adjust_param_t
189 terr_params[SONY_HELENE_TERR_TV_SYSTEM_NUM] = {
190 /*< SONY_HELENE_TV_SYSTEM_UNKNOWN */
191 {HELENE_AUTO, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
192 HELENE_BW_6, HELENE_OFFSET(0), HELENE_OFFSET(0), 0x00},
193 /* Analog */
194 /**< SONY_HELENE_ATV_MN_EIAJ (System-M (Japan)) */
195 {HELENE_AUTO, 0x05, 0x03, 0x06, 0x03, 0x01, 0x01, 0x01, 0x00,
196 HELENE_BW_6, HELENE_OFFSET(0), HELENE_OFFSET(1), 0x00},
197 /**< SONY_HELENE_ATV_MN_SAP (System-M (US)) */
198 {HELENE_AUTO, 0x05, 0x03, 0x06, 0x03, 0x01, 0x01, 0x01, 0x00,
199 HELENE_BW_6, HELENE_OFFSET(0), HELENE_OFFSET(1), 0x00},
200 {HELENE_AUTO, 0x05, 0x03, 0x06, 0x03, 0x01, 0x01, 0x01, 0x00,
201 HELENE_BW_6, HELENE_OFFSET(3), HELENE_OFFSET(1), 0x00},
202 /**< SONY_HELENE_ATV_MN_A2 (System-M (Korea)) */
203 {HELENE_AUTO, 0x05, 0x03, 0x06, 0x03, 0x01, 0x01, 0x01, 0x00,
204 HELENE_BW_7, HELENE_OFFSET(11), HELENE_OFFSET(5), 0x00},
205 /**< SONY_HELENE_ATV_BG (System-B/G) */
206 {HELENE_AUTO, 0x05, 0x03, 0x06, 0x03, 0x01, 0x01, 0x01, 0x00,
207 HELENE_BW_8, HELENE_OFFSET(2), HELENE_OFFSET(-3), 0x00},
208 /**< SONY_HELENE_ATV_I (System-I) */
209 {HELENE_AUTO, 0x05, 0x03, 0x06, 0x03, 0x01, 0x01, 0x01, 0x00,
210 HELENE_BW_8, HELENE_OFFSET(2), HELENE_OFFSET(-3), 0x00},
211 /**< SONY_HELENE_ATV_DK (System-D/K) */
212 {HELENE_AUTO, 0x03, 0x04, 0x0A, 0x04, 0x04, 0x04, 0x04, 0x00,
213 HELENE_BW_8, HELENE_OFFSET(2), HELENE_OFFSET(-3), 0x00},
214 /**< SONY_HELENE_ATV_L (System-L) */
215 {HELENE_AUTO, 0x03, 0x04, 0x0A, 0x04, 0x04, 0x04, 0x04, 0x00,
216 HELENE_BW_8, HELENE_OFFSET(-1), HELENE_OFFSET(4), 0x00},
217 /**< SONY_HELENE_ATV_L_DASH (System-L DASH) */
218 /* Digital */
219 {HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x03, 0x03, 0x03, 0x00,
220 HELENE_BW_6, HELENE_OFFSET(-6), HELENE_OFFSET(-3), 0x00},
221 /**< SONY_HELENE_DTV_8VSB (ATSC 8VSB) */
222 {HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00,
223 HELENE_BW_6, HELENE_OFFSET(-6), HELENE_OFFSET(-3), 0x00},
224 /**< SONY_HELENE_DTV_QAM (US QAM) */
225 {HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00,
226 HELENE_BW_6, HELENE_OFFSET(-9), HELENE_OFFSET(-5), 0x00},
227 /**< SONY_HELENE_DTV_ISDBT_6 (ISDB-T 6MHzBW) */
228 {HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00,
229 HELENE_BW_7, HELENE_OFFSET(-7), HELENE_OFFSET(-6), 0x00},
230 /**< SONY_HELENE_DTV_ISDBT_7 (ISDB-T 7MHzBW) */
231 {HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00,
232 HELENE_BW_8, HELENE_OFFSET(-5), HELENE_OFFSET(-7), 0x00},
233 /**< SONY_HELENE_DTV_ISDBT_8 (ISDB-T 8MHzBW) */
234 {HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00,
235 HELENE_BW_6, HELENE_OFFSET(-8), HELENE_OFFSET(-3), 0x00},
236 /**< SONY_HELENE_DTV_DVBT_5 (DVB-T 5MHzBW) */
237 {HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00,
238 HELENE_BW_6, HELENE_OFFSET(-8), HELENE_OFFSET(-3), 0x00},
239 /**< SONY_HELENE_DTV_DVBT_6 (DVB-T 6MHzBW) */
240 {HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00,
241 HELENE_BW_7, HELENE_OFFSET(-6), HELENE_OFFSET(-5), 0x00},
242 /**< SONY_HELENE_DTV_DVBT_7 (DVB-T 7MHzBW) */
243 {HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00,
244 HELENE_BW_8, HELENE_OFFSET(-4), HELENE_OFFSET(-6), 0x00},
245 /**< SONY_HELENE_DTV_DVBT_8 (DVB-T 8MHzBW) */
246 {HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00,
247 HELENE_BW_1_7, HELENE_OFFSET(-10), HELENE_OFFSET(-10), 0x00},
248 /**< SONY_HELENE_DTV_DVBT2_1_7 (DVB-T2 1.7MHzBW) */
249 {HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00,
250 HELENE_BW_6, HELENE_OFFSET(-8), HELENE_OFFSET(-3), 0x00},
251 /**< SONY_HELENE_DTV_DVBT2_5 (DVB-T2 5MHzBW) */
252 {HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00,
253 HELENE_BW_6, HELENE_OFFSET(-8), HELENE_OFFSET(-3), 0x00},
254 /**< SONY_HELENE_DTV_DVBT2_6 (DVB-T2 6MHzBW) */
255 {HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00,
256 HELENE_BW_7, HELENE_OFFSET(-6), HELENE_OFFSET(-5), 0x00},
257 /**< SONY_HELENE_DTV_DVBT2_7 (DVB-T2 7MHzBW) */
258 {HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00,
259 HELENE_BW_8, HELENE_OFFSET(-4), HELENE_OFFSET(-6), 0x00},
260 /**< SONY_HELENE_DTV_DVBT2_8 (DVB-T2 8MHzBW) */
261 {HELENE_AUTO, 0x05, 0x02, 0x02, 0x02, 0x01, 0x01, 0x01, 0x00,
262 HELENE_BW_6, HELENE_OFFSET(-6), HELENE_OFFSET(-4), 0x00},
263 /**< SONY_HELENE_DTV_DVBC_6 (DVB-C 6MHzBW) */
264 {HELENE_AUTO, 0x05, 0x02, 0x02, 0x02, 0x01, 0x01, 0x01, 0x00,
265 HELENE_BW_8, HELENE_OFFSET(-2), HELENE_OFFSET(-3), 0x00},
266 /**< SONY_HELENE_DTV_DVBC_8 (DVB-C 8MHzBW) */
267 {HELENE_AUTO, 0x03, 0x09, 0x09, 0x09, 0x02, 0x02, 0x02, 0x00,
268 HELENE_BW_6, HELENE_OFFSET(-6), HELENE_OFFSET(-2), 0x00},
269 /**< SONY_HELENE_DTV_DVBC2_6 (DVB-C2 6MHzBW) */
270 {HELENE_AUTO, 0x03, 0x09, 0x09, 0x09, 0x02, 0x02, 0x02, 0x00,
271 HELENE_BW_8, HELENE_OFFSET(-2), HELENE_OFFSET(0), 0x00},
272 /**< SONY_HELENE_DTV_DVBC2_8 (DVB-C2 8MHzBW) */
273 {HELENE_AUTO, 0x04, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00,
274 HELENE_BW_8, HELENE_OFFSET(2), HELENE_OFFSET(1), 0x00}
275 /**< SONY_HELENE_DTV_DTMB (DTMB) */
276 };
277
278 static void helene_i2c_debug(struct helene_priv *priv,
279 u8 reg, u8 write, const u8 *data, u32 len)
280 {
281 dev_dbg(&priv->i2c->dev, "helene: I2C %s reg 0x%02x size %d\n",
282 (write == 0 ? "read" : "write"), reg, len);
283 print_hex_dump_bytes("helene: I2C data: ",
284 DUMP_PREFIX_OFFSET, data, len);
285 }
286
287 static int helene_write_regs(struct helene_priv *priv,
288 u8 reg, const u8 *data, u32 len)
289 {
290 int ret;
291 u8 buf[MAX_WRITE_REGSIZE + 1];
292 struct i2c_msg msg[1] = {
293 {
294 .addr = priv->i2c_address,
295 .flags = 0,
296 .len = len + 1,
297 .buf = buf,
298 }
299 };
300
301 if (len + 1 > sizeof(buf)) {
302 dev_warn(&priv->i2c->dev,
303 "wr reg=%04x: len=%d vs %zu is too big!\n",
304 reg, len + 1, sizeof(buf));
305 return -E2BIG;
306 }
307
308 helene_i2c_debug(priv, reg, 1, data, len);
309 buf[0] = reg;
310 memcpy(&buf[1], data, len);
311 ret = i2c_transfer(priv->i2c, msg, 1);
312 if (ret >= 0 && ret != 1)
313 ret = -EREMOTEIO;
314 if (ret < 0) {
315 dev_warn(&priv->i2c->dev,
316 "%s: i2c wr failed=%d reg=%02x len=%d\n",
317 KBUILD_MODNAME, ret, reg, len);
318 return ret;
319 }
320 return 0;
321 }
322
323 static int helene_write_reg(struct helene_priv *priv, u8 reg, u8 val)
324 {
325 u8 tmp = val; /* see gcc.gnu.org/bugzilla/show_bug.cgi?id=81715 */
326
327 return helene_write_regs(priv, reg, &tmp, 1);
328 }
329
330 static int helene_read_regs(struct helene_priv *priv,
331 u8 reg, u8 *val, u32 len)
332 {
333 int ret;
334 struct i2c_msg msg[2] = {
335 {
336 .addr = priv->i2c_address,
337 .flags = 0,
338 .len = 1,
339 .buf = &reg,
340 }, {
341 .addr = priv->i2c_address,
342 .flags = I2C_M_RD,
343 .len = len,
344 .buf = val,
345 }
346 };
347
348 ret = i2c_transfer(priv->i2c, &msg[0], 1);
349 if (ret >= 0 && ret != 1)
350 ret = -EREMOTEIO;
351 if (ret < 0) {
352 dev_warn(&priv->i2c->dev,
353 "%s: I2C rw failed=%d addr=%02x reg=%02x\n",
354 KBUILD_MODNAME, ret, priv->i2c_address, reg);
355 return ret;
356 }
357 ret = i2c_transfer(priv->i2c, &msg[1], 1);
358 if (ret >= 0 && ret != 1)
359 ret = -EREMOTEIO;
360 if (ret < 0) {
361 dev_warn(&priv->i2c->dev,
362 "%s: i2c rd failed=%d addr=%02x reg=%02x\n",
363 KBUILD_MODNAME, ret, priv->i2c_address, reg);
364 return ret;
365 }
366 helene_i2c_debug(priv, reg, 0, val, len);
367 return 0;
368 }
369
370 static int helene_read_reg(struct helene_priv *priv, u8 reg, u8 *val)
371 {
372 return helene_read_regs(priv, reg, val, 1);
373 }
374
375 static int helene_set_reg_bits(struct helene_priv *priv,
376 u8 reg, u8 data, u8 mask)
377 {
378 int res;
379 u8 rdata;
380
381 if (mask != 0xff) {
382 res = helene_read_reg(priv, reg, &rdata);
383 if (res != 0)
384 return res;
385 data = ((data & mask) | (rdata & (mask ^ 0xFF)));
386 }
387 return helene_write_reg(priv, reg, data);
388 }
389
390 static int helene_enter_power_save(struct helene_priv *priv)
391 {
392 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
393 if (priv->state == STATE_SLEEP)
394 return 0;
395
396 /* Standby setting for CPU */
397 helene_write_reg(priv, 0x88, 0x0);
398
399 /* Standby setting for internal logic block */
400 helene_write_reg(priv, 0x87, 0xC0);
401
402 priv->state = STATE_SLEEP;
403 return 0;
404 }
405
406 static int helene_leave_power_save(struct helene_priv *priv)
407 {
408 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
409 if (priv->state == STATE_ACTIVE)
410 return 0;
411
412 /* Standby setting for internal logic block */
413 helene_write_reg(priv, 0x87, 0xC4);
414
415 /* Standby setting for CPU */
416 helene_write_reg(priv, 0x88, 0x40);
417
418 priv->state = STATE_ACTIVE;
419 return 0;
420 }
421
422 static int helene_init(struct dvb_frontend *fe)
423 {
424 struct helene_priv *priv = fe->tuner_priv;
425
426 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
427 return helene_leave_power_save(priv);
428 }
429
430 static void helene_release(struct dvb_frontend *fe)
431 {
432 struct helene_priv *priv = fe->tuner_priv;
433
434 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
435 kfree(fe->tuner_priv);
436 fe->tuner_priv = NULL;
437 }
438
439 static int helene_sleep(struct dvb_frontend *fe)
440 {
441 struct helene_priv *priv = fe->tuner_priv;
442
443 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
444 helene_enter_power_save(priv);
445 return 0;
446 }
447
448 static enum helene_tv_system_t helene_get_tv_system(struct dvb_frontend *fe)
449 {
450 enum helene_tv_system_t system = SONY_HELENE_TV_SYSTEM_UNKNOWN;
451 struct dtv_frontend_properties *p = &fe->dtv_property_cache;
452 struct helene_priv *priv = fe->tuner_priv;
453
454 if (p->delivery_system == SYS_DVBT) {
455 if (p->bandwidth_hz <= 5000000)
456 system = SONY_HELENE_DTV_DVBT_5;
457 else if (p->bandwidth_hz <= 6000000)
458 system = SONY_HELENE_DTV_DVBT_6;
459 else if (p->bandwidth_hz <= 7000000)
460 system = SONY_HELENE_DTV_DVBT_7;
461 else if (p->bandwidth_hz <= 8000000)
462 system = SONY_HELENE_DTV_DVBT_8;
463 else {
464 system = SONY_HELENE_DTV_DVBT_8;
465 p->bandwidth_hz = 8000000;
466 }
467 } else if (p->delivery_system == SYS_DVBT2) {
468 if (p->bandwidth_hz <= 5000000)
469 system = SONY_HELENE_DTV_DVBT2_5;
470 else if (p->bandwidth_hz <= 6000000)
471 system = SONY_HELENE_DTV_DVBT2_6;
472 else if (p->bandwidth_hz <= 7000000)
473 system = SONY_HELENE_DTV_DVBT2_7;
474 else if (p->bandwidth_hz <= 8000000)
475 system = SONY_HELENE_DTV_DVBT2_8;
476 else {
477 system = SONY_HELENE_DTV_DVBT2_8;
478 p->bandwidth_hz = 8000000;
479 }
480 } else if (p->delivery_system == SYS_DVBS) {
481 system = SONY_HELENE_STV_DVBS;
482 } else if (p->delivery_system == SYS_DVBS2) {
483 system = SONY_HELENE_STV_DVBS2;
484 } else if (p->delivery_system == SYS_ISDBS) {
485 system = SONY_HELENE_STV_ISDBS;
486 } else if (p->delivery_system == SYS_ISDBT) {
487 if (p->bandwidth_hz <= 6000000)
488 system = SONY_HELENE_DTV_ISDBT_6;
489 else if (p->bandwidth_hz <= 7000000)
490 system = SONY_HELENE_DTV_ISDBT_7;
491 else if (p->bandwidth_hz <= 8000000)
492 system = SONY_HELENE_DTV_ISDBT_8;
493 else {
494 system = SONY_HELENE_DTV_ISDBT_8;
495 p->bandwidth_hz = 8000000;
496 }
497 } else if (p->delivery_system == SYS_DVBC_ANNEX_A) {
498 if (p->bandwidth_hz <= 6000000)
499 system = SONY_HELENE_DTV_DVBC_6;
500 else if (p->bandwidth_hz <= 8000000)
501 system = SONY_HELENE_DTV_DVBC_8;
502 }
503 dev_dbg(&priv->i2c->dev,
504 "%s(): HELENE DTV system %d (delsys %d, bandwidth %d)\n",
505 __func__, (int)system, p->delivery_system,
506 p->bandwidth_hz);
507 return system;
508 }
509
510 static int helene_set_params_s(struct dvb_frontend *fe)
511 {
512 u8 data[MAX_WRITE_REGSIZE];
513 u32 frequency;
514 enum helene_tv_system_t tv_system;
515 struct dtv_frontend_properties *p = &fe->dtv_property_cache;
516 struct helene_priv *priv = fe->tuner_priv;
517 int frequencykHz = p->frequency;
518 uint32_t frequency4kHz = 0;
519 u32 symbol_rate = p->symbol_rate/1000;
520
521 dev_dbg(&priv->i2c->dev, "%s(): tune frequency %dkHz sr=%uKsps\n",
522 __func__, frequencykHz, symbol_rate);
523 tv_system = helene_get_tv_system(fe);
524
525 if (tv_system == SONY_HELENE_TV_SYSTEM_UNKNOWN) {
526 dev_err(&priv->i2c->dev, "%s(): unknown DTV system\n",
527 __func__);
528 return -EINVAL;
529 }
530 /* RF switch turn to satellite */
531 if (priv->set_tuner)
532 priv->set_tuner(priv->set_tuner_data, 0);
533 frequency = roundup(p->frequency / 1000, 1);
534
535 /* Disable IF signal output */
536 helene_write_reg(priv, 0x15, 0x02);
537
538 /* RFIN matching in power save (Sat) reset */
539 helene_write_reg(priv, 0x43, 0x06);
540
541 /* Analog block setting (0x6A, 0x6B) */
542 data[0] = 0x00;
543 data[1] = 0x00;
544 helene_write_regs(priv, 0x6A, data, 2);
545 helene_write_reg(priv, 0x75, 0x99);
546 helene_write_reg(priv, 0x9D, 0x00);
547
548 /* Tuning setting for CPU (0x61) */
549 helene_write_reg(priv, 0x61, 0x07);
550
551 /* Satellite mode select (0x01) */
552 helene_write_reg(priv, 0x01, 0x01);
553
554 /* Clock enable for internal logic block, CPU wake-up (0x04, 0x05) */
555 data[0] = 0xC4;
556 data[1] = 0x40;
557
558 switch (priv->xtal) {
559 case SONY_HELENE_XTAL_16000:
560 data[2] = 0x02;
561 break;
562 case SONY_HELENE_XTAL_20500:
563 data[2] = 0x02;
564 break;
565 case SONY_HELENE_XTAL_24000:
566 data[2] = 0x03;
567 break;
568 case SONY_HELENE_XTAL_41000:
569 data[2] = 0x05;
570 break;
571 default:
572 dev_err(&priv->i2c->dev, "%s(): unknown xtal %d\n",
573 __func__, priv->xtal);
574 return -EINVAL;
575 }
576
577 /* Setting for analog block (0x07). LOOPFILTER INTERNAL */
578 data[3] = 0x80;
579
580 /* Tuning setting for analog block
581 * (0x08, 0x09, 0x0A, 0x0B). LOOPFILTER INTERNAL
582 */
583 if (priv->xtal == SONY_HELENE_XTAL_20500)
584 data[4] = 0x58;
585 else
586 data[4] = 0x70;
587
588 data[5] = 0x1E;
589 data[6] = 0x02;
590 data[7] = 0x24;
591
592 /* Enable for analog block (0x0C, 0x0D, 0x0E). SAT LNA ON */
593 data[8] = 0x0F;
594 data[8] |= 0xE0; /* POWERSAVE_TERR_RF_ACTIVE */
595 data[9] = 0x02;
596 data[10] = 0x1E;
597
598 /* Setting for LPF cutoff frequency (0x0F) */
599 switch (tv_system) {
600 case SONY_HELENE_STV_ISDBS:
601 data[11] = 0x22; /* 22MHz */
602 break;
603 case SONY_HELENE_STV_DVBS:
604 if (symbol_rate <= 4000)
605 data[11] = 0x05;
606 else if (symbol_rate <= 10000)
607 data[11] = (uint8_t)((symbol_rate * 47
608 + (40000-1)) / 40000);
609 else
610 data[11] = (uint8_t)((symbol_rate * 27
611 + (40000-1)) / 40000 + 5);
612
613 if (data[11] > 36)
614 data[11] = 36; /* 5 <= lpf_cutoff <= 36 is valid */
615 break;
616 case SONY_HELENE_STV_DVBS2:
617 if (symbol_rate <= 4000)
618 data[11] = 0x05;
619 else if (symbol_rate <= 10000)
620 data[11] = (uint8_t)((symbol_rate * 11
621 + (10000-1)) / 10000);
622 else
623 data[11] = (uint8_t)((symbol_rate * 3
624 + (5000-1)) / 5000 + 5);
625
626 if (data[11] > 36)
627 data[11] = 36; /* 5 <= lpf_cutoff <= 36 is valid */
628 break;
629 default:
630 dev_err(&priv->i2c->dev, "%s(): unknown standard %d\n",
631 __func__, tv_system);
632 return -EINVAL;
633 }
634
635 /* RF tuning frequency setting (0x10, 0x11, 0x12) */
636 frequency4kHz = (frequencykHz + 2) / 4;
637 data[12] = (uint8_t)(frequency4kHz & 0xFF); /* FRF_L */
638 data[13] = (uint8_t)((frequency4kHz >> 8) & 0xFF); /* FRF_M */
639 /* FRF_H (bit[3:0]) */
640 data[14] = (uint8_t)((frequency4kHz >> 16) & 0x0F);
641
642 /* Tuning command (0x13) */
643 data[15] = 0xFF;
644
645 /* Setting for IQOUT_LIMIT (0x14) 0.75Vpp */
646 data[16] = 0x00;
647
648 /* Enable IQ output (0x15) */
649 data[17] = 0x01;
650
651 helene_write_regs(priv, 0x04, data, 18);
652
653 dev_dbg(&priv->i2c->dev, "%s(): tune done\n",
654 __func__);
655
656 priv->frequency = frequency;
657 return 0;
658 }
659
660 static int helene_set_params_t(struct dvb_frontend *fe)
661 {
662 u8 data[MAX_WRITE_REGSIZE];
663 u32 frequency;
664 enum helene_tv_system_t tv_system;
665 struct dtv_frontend_properties *p = &fe->dtv_property_cache;
666 struct helene_priv *priv = fe->tuner_priv;
667 int frequencykHz = p->frequency / 1000;
668
669 dev_dbg(&priv->i2c->dev, "%s(): tune frequency %dkHz\n",
670 __func__, frequencykHz);
671 tv_system = helene_get_tv_system(fe);
672
673 if (tv_system == SONY_HELENE_TV_SYSTEM_UNKNOWN) {
674 dev_dbg(&priv->i2c->dev, "%s(): unknown DTV system\n",
675 __func__);
676 return -EINVAL;
677 }
678 if (priv->set_tuner)
679 priv->set_tuner(priv->set_tuner_data, 1);
680 frequency = roundup(p->frequency / 1000, 25);
681
682 /* mode select */
683 helene_write_reg(priv, 0x01, 0x00);
684
685 /* Disable IF signal output */
686 helene_write_reg(priv, 0x74, 0x02);
687
688 if (priv->state == STATE_SLEEP)
689 helene_leave_power_save(priv);
690
691 /* Initial setting for internal analog block (0x91, 0x92) */
692 if ((tv_system == SONY_HELENE_DTV_DVBC_6) ||
693 (tv_system == SONY_HELENE_DTV_DVBC_8)) {
694 data[0] = 0x16;
695 data[1] = 0x26;
696 } else {
697 data[0] = 0x10;
698 data[1] = 0x20;
699 }
700 helene_write_regs(priv, 0x91, data, 2);
701
702 /* Setting for analog block */
703 if (TERR_INTERNAL_LOOPFILTER_AVAILABLE(tv_system))
704 data[0] = 0x90;
705 else
706 data[0] = 0x00;
707
708 /* Setting for local polarity (0x9D) */
709 data[1] = (uint8_t)(terr_params[tv_system].IS_LOWERLOCAL & 0x01);
710 helene_write_regs(priv, 0x9C, data, 2);
711
712 /* Enable for analog block */
713 data[0] = 0xEE;
714 data[1] = 0x02;
715 data[2] = 0x1E;
716 data[3] = 0x67; /* Tuning setting for CPU */
717
718 /* Setting for PLL reference divider for xtal=24MHz */
719 if ((tv_system == SONY_HELENE_DTV_DVBC_6) ||
720 (tv_system == SONY_HELENE_DTV_DVBC_8))
721 data[4] = 0x18;
722 else
723 data[4] = 0x03;
724
725 /* Tuning setting for analog block */
726 if (TERR_INTERNAL_LOOPFILTER_AVAILABLE(tv_system)) {
727 data[5] = 0x38;
728 data[6] = 0x1E;
729 data[7] = 0x02;
730 data[8] = 0x24;
731 } else if ((tv_system == SONY_HELENE_DTV_DVBC_6) ||
732 (tv_system == SONY_HELENE_DTV_DVBC_8)) {
733 data[5] = 0x1C;
734 data[6] = 0x78;
735 data[7] = 0x08;
736 data[8] = 0x1C;
737 } else {
738 data[5] = 0xB4;
739 data[6] = 0x78;
740 data[7] = 0x08;
741 data[8] = 0x30;
742 }
743 helene_write_regs(priv, 0x5E, data, 9);
744
745 /* LT_AMP_EN should be 0 */
746 helene_set_reg_bits(priv, 0x67, 0x0, 0x02);
747
748 /* Setting for IFOUT_LIMIT */
749 data[0] = 0x00; /* 1.5Vpp */
750
751 /* RF_GAIN setting */
752 if (terr_params[tv_system].RF_GAIN == HELENE_AUTO)
753 data[1] = 0x80; /* RF_GAIN_SEL = 1 */
754 else
755 data[1] = (uint8_t)((terr_params[tv_system].RF_GAIN
756 << 4) & 0x70);
757
758 /* IF_BPF_GC setting */
759 data[1] |= (uint8_t)(terr_params[tv_system].IF_BPF_GC & 0x0F);
760
761 /* Setting for internal RFAGC (0x6A, 0x6B, 0x6C) */
762 data[2] = 0x00;
763 if (frequencykHz <= 172000) {
764 data[3] = (uint8_t)(terr_params[tv_system].RFOVLD_DET_LV1_VL
765 & 0x0F);
766 data[4] = (uint8_t)(terr_params[tv_system].IFOVLD_DET_LV_VL
767 & 0x07);
768 } else if (frequencykHz <= 464000) {
769 data[3] = (uint8_t)(terr_params[tv_system].RFOVLD_DET_LV1_VH
770 & 0x0F);
771 data[4] = (uint8_t)(terr_params[tv_system].IFOVLD_DET_LV_VH
772 & 0x07);
773 } else {
774 data[3] = (uint8_t)(terr_params[tv_system].RFOVLD_DET_LV1_U
775 & 0x0F);
776 data[4] = (uint8_t)(terr_params[tv_system].IFOVLD_DET_LV_U
777 & 0x07);
778 }
779 data[4] |= 0x20;
780
781 /* Setting for IF frequency and bandwidth */
782
783 /* IF filter center frequency offset (IF_BPF_F0) (0x6D) */
784 data[5] = (uint8_t)((terr_params[tv_system].IF_BPF_F0 << 4) & 0x30);
785
786 /* IF filter band width (BW) (0x6D) */
787 data[5] |= (uint8_t)(terr_params[tv_system].BW & 0x03);
788
789 /* IF frequency offset value (FIF_OFFSET) (0x6E) */
790 data[6] = (uint8_t)(terr_params[tv_system].FIF_OFFSET & 0x1F);
791
792 /* IF band width offset value (BW_OFFSET) (0x6F) */
793 data[7] = (uint8_t)(terr_params[tv_system].BW_OFFSET & 0x1F);
794
795 /* RF tuning frequency setting (0x70, 0x71, 0x72) */
796 data[8] = (uint8_t)(frequencykHz & 0xFF); /* FRF_L */
797 data[9] = (uint8_t)((frequencykHz >> 8) & 0xFF); /* FRF_M */
798 data[10] = (uint8_t)((frequencykHz >> 16)
799 & 0x0F); /* FRF_H (bit[3:0]) */
800
801 /* Tuning command */
802 data[11] = 0xFF;
803
804 /* Enable IF output, AGC and IFOUT pin selection (0x74) */
805 data[12] = 0x01;
806
807 if ((tv_system == SONY_HELENE_DTV_DVBC_6) ||
808 (tv_system == SONY_HELENE_DTV_DVBC_8)) {
809 data[13] = 0xD9;
810 data[14] = 0x0F;
811 data[15] = 0x24;
812 data[16] = 0x87;
813 } else {
814 data[13] = 0x99;
815 data[14] = 0x00;
816 data[15] = 0x24;
817 data[16] = 0x87;
818 }
819
820 helene_write_regs(priv, 0x68, data, 17);
821
822 dev_dbg(&priv->i2c->dev, "%s(): tune done\n",
823 __func__);
824
825 priv->frequency = frequency;
826 return 0;
827 }
828
829 static int helene_set_params(struct dvb_frontend *fe)
830 {
831 struct dtv_frontend_properties *p = &fe->dtv_property_cache;
832
833 if (p->delivery_system == SYS_DVBT ||
834 p->delivery_system == SYS_DVBT2 ||
835 p->delivery_system == SYS_ISDBT ||
836 p->delivery_system == SYS_DVBC_ANNEX_A)
837 return helene_set_params_t(fe);
838
839 return helene_set_params_s(fe);
840 }
841
842 static int helene_get_frequency(struct dvb_frontend *fe, u32 *frequency)
843 {
844 struct helene_priv *priv = fe->tuner_priv;
845
846 *frequency = priv->frequency * 1000;
847 return 0;
848 }
849
850 static const struct dvb_tuner_ops helene_tuner_ops_t = {
851 .info = {
852 .name = "Sony HELENE Ter tuner",
853 .frequency_min_hz = 1 * MHz,
854 .frequency_max_hz = 1200 * MHz,
855 .frequency_step_hz = 25 * kHz,
856 },
857 .init = helene_init,
858 .release = helene_release,
859 .sleep = helene_sleep,
860 .set_params = helene_set_params_t,
861 .get_frequency = helene_get_frequency,
862 };
863
864 static const struct dvb_tuner_ops helene_tuner_ops_s = {
865 .info = {
866 .name = "Sony HELENE Sat tuner",
867 .frequency_min_hz = 500 * MHz,
868 .frequency_max_hz = 2500 * MHz,
869 .frequency_step_hz = 1 * MHz,
870 },
871 .init = helene_init,
872 .release = helene_release,
873 .sleep = helene_sleep,
874 .set_params = helene_set_params_s,
875 .get_frequency = helene_get_frequency,
876 };
877
878 static const struct dvb_tuner_ops helene_tuner_ops = {
879 .info = {
880 .name = "Sony HELENE Sat/Ter tuner",
881 .frequency_min_hz = 1 * MHz,
882 .frequency_max_hz = 2500 * MHz,
883 .frequency_step_hz = 25 * kHz,
884 },
885 .init = helene_init,
886 .release = helene_release,
887 .sleep = helene_sleep,
888 .set_params = helene_set_params,
889 .get_frequency = helene_get_frequency,
890 };
891
892 /* power-on tuner
893 * call once after reset
894 */
895 static int helene_x_pon(struct helene_priv *priv)
896 {
897 /* RFIN matching in power save (terrestrial) = ACTIVE */
898 /* RFIN matching in power save (satellite) = ACTIVE */
899 u8 dataT[] = { 0x06, 0x00, 0x02, 0x00 };
900 /* SAT_RF_ACTIVE = true, lnaOff = false, terrRfActive = true */
901 u8 dataS[] = { 0x05, 0x06 };
902 u8 cdata[] = {0x7A, 0x01};
903 u8 data[20];
904 u8 rdata[2];
905
906 /* mode select */
907 helene_write_reg(priv, 0x01, 0x00);
908
909 helene_write_reg(priv, 0x67, dataT[3]);
910 helene_write_reg(priv, 0x43, dataS[1]);
911 helene_write_regs(priv, 0x5E, dataT, 3);
912 helene_write_reg(priv, 0x0C, dataS[0]);
913
914 /* Initial setting for internal logic block */
915 helene_write_regs(priv, 0x99, cdata, sizeof(cdata));
916
917 /* 0x81 - 0x94 */
918 if (priv->xtal == SONY_HELENE_XTAL_16000)
919 data[0] = 0x10; /* xtal 16 MHz */
920 else
921 data[0] = 0x18; /* xtal 24 MHz */
922 data[1] = (uint8_t)(0x80 | (0x04 & 0x1F)); /* 4 x 25 = 100uA */
923 data[2] = (uint8_t)(0x80 | (0x26 & 0x7F)); /* 38 x 0.25 = 9.5pF */
924 data[3] = 0x80; /* REFOUT signal output 500mVpp */
925 data[4] = 0x00; /* GPIO settings */
926 data[5] = 0x00; /* GPIO settings */
927 data[6] = 0xC4; /* Clock enable for internal logic block */
928 data[7] = 0x40; /* Start CPU boot-up */
929 data[8] = 0x10; /* For burst-write */
930
931 /* Setting for internal RFAGC */
932 data[9] = 0x00;
933 data[10] = 0x45;
934 data[11] = 0x75;
935
936 data[12] = 0x07; /* Setting for analog block */
937
938 /* Initial setting for internal analog block */
939 data[13] = 0x1C;
940 data[14] = 0x3F;
941 data[15] = 0x02;
942 data[16] = 0x10;
943 data[17] = 0x20;
944 data[18] = 0x0A;
945 data[19] = 0x00;
946
947 helene_write_regs(priv, 0x81, data, sizeof(data));
948
949 /* Setting for internal RFAGC */
950 helene_write_reg(priv, 0x9B, 0x00);
951
952 msleep(20);
953
954 /* Check CPU_STT/CPU_ERR */
955 helene_read_regs(priv, 0x1A, rdata, sizeof(rdata));
956
957 if (rdata[0] != 0x00) {
958 dev_err(&priv->i2c->dev,
959 "HELENE tuner CPU error 0x%x\n", rdata[0]);
960 return -EIO;
961 }
962
963 /* VCO current setting */
964 cdata[0] = 0x90;
965 cdata[1] = 0x06;
966 helene_write_regs(priv, 0x17, cdata, sizeof(cdata));
967 msleep(20);
968 helene_read_reg(priv, 0x19, data);
969 helene_write_reg(priv, 0x95, (uint8_t)((data[0] >> 4) & 0x0F));
970
971 /* Disable IF signal output */
972 helene_write_reg(priv, 0x74, 0x02);
973
974 /* Standby setting for CPU */
975 helene_write_reg(priv, 0x88, 0x00);
976
977 /* Standby setting for internal logic block */
978 helene_write_reg(priv, 0x87, 0xC0);
979
980 /* Load capacitance control setting for crystal oscillator */
981 helene_write_reg(priv, 0x80, 0x01);
982
983 /* Satellite initial setting */
984 cdata[0] = 0x07;
985 cdata[1] = 0x00;
986 helene_write_regs(priv, 0x41, cdata, sizeof(cdata));
987
988 dev_info(&priv->i2c->dev,
989 "HELENE tuner x_pon done\n");
990
991 return 0;
992 }
993
994 struct dvb_frontend *helene_attach_s(struct dvb_frontend *fe,
995 const struct helene_config *config,
996 struct i2c_adapter *i2c)
997 {
998 struct helene_priv *priv = NULL;
999
1000 priv = kzalloc(sizeof(struct helene_priv), GFP_KERNEL);
1001 if (priv == NULL)
1002 return NULL;
1003 priv->i2c_address = (config->i2c_address >> 1);
1004 priv->i2c = i2c;
1005 priv->set_tuner_data = config->set_tuner_priv;
1006 priv->set_tuner = config->set_tuner_callback;
1007 priv->xtal = config->xtal;
1008
1009 if (fe->ops.i2c_gate_ctrl)
1010 fe->ops.i2c_gate_ctrl(fe, 1);
1011
1012 if (helene_x_pon(priv) != 0) {
1013 kfree(priv);
1014 return NULL;
1015 }
1016
1017 if (fe->ops.i2c_gate_ctrl)
1018 fe->ops.i2c_gate_ctrl(fe, 0);
1019
1020 memcpy(&fe->ops.tuner_ops, &helene_tuner_ops_s,
1021 sizeof(struct dvb_tuner_ops));
1022 fe->tuner_priv = priv;
1023 dev_info(&priv->i2c->dev,
1024 "Sony HELENE Sat attached on addr=%x at I2C adapter %p\n",
1025 priv->i2c_address, priv->i2c);
1026 return fe;
1027 }
1028 EXPORT_SYMBOL(helene_attach_s);
1029
1030 struct dvb_frontend *helene_attach(struct dvb_frontend *fe,
1031 const struct helene_config *config,
1032 struct i2c_adapter *i2c)
1033 {
1034 struct helene_priv *priv = NULL;
1035
1036 priv = kzalloc(sizeof(struct helene_priv), GFP_KERNEL);
1037 if (priv == NULL)
1038 return NULL;
1039 priv->i2c_address = (config->i2c_address >> 1);
1040 priv->i2c = i2c;
1041 priv->set_tuner_data = config->set_tuner_priv;
1042 priv->set_tuner = config->set_tuner_callback;
1043 priv->xtal = config->xtal;
1044
1045 if (fe->ops.i2c_gate_ctrl)
1046 fe->ops.i2c_gate_ctrl(fe, 1);
1047
1048 if (helene_x_pon(priv) != 0) {
1049 kfree(priv);
1050 return NULL;
1051 }
1052
1053 if (fe->ops.i2c_gate_ctrl)
1054 fe->ops.i2c_gate_ctrl(fe, 0);
1055
1056 memcpy(&fe->ops.tuner_ops, &helene_tuner_ops_t,
1057 sizeof(struct dvb_tuner_ops));
1058 fe->tuner_priv = priv;
1059 dev_info(&priv->i2c->dev,
1060 "Sony HELENE Ter attached on addr=%x at I2C adapter %p\n",
1061 priv->i2c_address, priv->i2c);
1062 return fe;
1063 }
1064 EXPORT_SYMBOL(helene_attach);
1065
1066 static int helene_probe(struct i2c_client *client,
1067 const struct i2c_device_id *id)
1068 {
1069 struct helene_config *config = client->dev.platform_data;
1070 struct dvb_frontend *fe = config->fe;
1071 struct device *dev = &client->dev;
1072 struct helene_priv *priv;
1073
1074 priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
1075 if (!priv)
1076 return -ENOMEM;
1077
1078 priv->i2c_address = client->addr;
1079 priv->i2c = client->adapter;
1080 priv->set_tuner_data = config->set_tuner_priv;
1081 priv->set_tuner = config->set_tuner_callback;
1082 priv->xtal = config->xtal;
1083
1084 if (fe->ops.i2c_gate_ctrl)
1085 fe->ops.i2c_gate_ctrl(fe, 1);
1086
1087 if (helene_x_pon(priv) != 0)
1088 return -EINVAL;
1089
1090 if (fe->ops.i2c_gate_ctrl)
1091 fe->ops.i2c_gate_ctrl(fe, 0);
1092
1093 memcpy(&fe->ops.tuner_ops, &helene_tuner_ops,
1094 sizeof(struct dvb_tuner_ops));
1095 fe->tuner_priv = priv;
1096 i2c_set_clientdata(client, priv);
1097
1098 dev_info(dev, "Sony HELENE attached on addr=%x at I2C adapter %p\n",
1099 priv->i2c_address, priv->i2c);
1100
1101 return 0;
1102 }
1103
1104 static const struct i2c_device_id helene_id[] = {
1105 { "helene", },
1106 {}
1107 };
1108 MODULE_DEVICE_TABLE(i2c, helene_id);
1109
1110 static struct i2c_driver helene_driver = {
1111 .driver = {
1112 .name = "helene",
1113 },
1114 .probe = helene_probe,
1115 .id_table = helene_id,
1116 };
1117 module_i2c_driver(helene_driver);
1118
1119 MODULE_DESCRIPTION("Sony HELENE Sat/Ter tuner driver");
1120 MODULE_AUTHOR("Abylay Ospan <aospan@netup.ru>");
1121 MODULE_LICENSE("GPL");
Linux with added FPC-III support