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Merge remote-tracking branch 'vfio/next'
[deliverable/linux.git] / drivers / media / dvb-frontends / helene.c
CommitLineData
2dc1ed4e
AO		 1/*
2 * helene.c
3 *
4 * Sony HELENE DVB-S/S2 DVB-T/T2 DVB-C/C2 ISDB-T/S tuner driver (CXD2858ER)
5 *
6 * Copyright 2012 Sony Corporation
7 * Copyright (C) 2014 NetUP Inc.
8 * Copyright (C) 2014 Abylay Ospan <aospan@netup.ru>
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 */
20
21#include <linux/slab.h>
22#include <linux/module.h>
23#include <linux/dvb/frontend.h>
24#include <linux/types.h>
25#include "helene.h"
26#include "dvb_frontend.h"
27
28#define MAX_WRITE_REGSIZE 20
29
30enum helene_state {
31 STATE_UNKNOWN,
32 STATE_SLEEP,
33 STATE_ACTIVE
34};
35
36struct helene_priv {
37 u32 frequency;
38 u8 i2c_address;
39 struct i2c_adapter *i2c;
40 enum helene_state state;
41 void *set_tuner_data;
42 int (*set_tuner)(void *, int);
43 enum helene_xtal xtal;
44};
45
46#define TERR_INTERNAL_LOOPFILTER_AVAILABLE(tv_system) \
47 (((tv_system) != SONY_HELENE_DTV_DVBC_6) && \
48 ((tv_system) != SONY_HELENE_DTV_DVBC_8)\
49 && ((tv_system) != SONY_HELENE_DTV_DVBC2_6) && \
50 ((tv_system) != SONY_HELENE_DTV_DVBC2_8))
51
52#define HELENE_AUTO 0xff
53#define HELENE_OFFSET(ofs) ((u8)(ofs) & 0x1F)
54#define HELENE_BW_6 0x00
55#define HELENE_BW_7 0x01
56#define HELENE_BW_8 0x02
57#define HELENE_BW_1_7 0x03
58
59enum helene_tv_system_t {
60 SONY_HELENE_TV_SYSTEM_UNKNOWN,
61 /* Terrestrial Analog */
62 SONY_HELENE_ATV_MN_EIAJ,
63 /**< System-M (Japan) (IF: Fp=5.75MHz in default) */
64 SONY_HELENE_ATV_MN_SAP,
65 /**< System-M (US) (IF: Fp=5.75MHz in default) */
66 SONY_HELENE_ATV_MN_A2,
67 /**< System-M (Korea) (IF: Fp=5.9MHz in default) */
68 SONY_HELENE_ATV_BG,
69 /**< System-B/G (IF: Fp=7.3MHz in default) */
70 SONY_HELENE_ATV_I,
71 /**< System-I (IF: Fp=7.85MHz in default) */
72 SONY_HELENE_ATV_DK,
73 /**< System-D/K (IF: Fp=7.85MHz in default) */
74 SONY_HELENE_ATV_L,
75 /**< System-L (IF: Fp=7.85MHz in default) */
76 SONY_HELENE_ATV_L_DASH,
77 /**< System-L DASH (IF: Fp=2.2MHz in default) */
78 /* Terrestrial/Cable Digital */
79 SONY_HELENE_DTV_8VSB,
80 /**< ATSC 8VSB (IF: Fc=3.7MHz in default) */
81 SONY_HELENE_DTV_QAM,
82 /**< US QAM (IF: Fc=3.7MHz in default) */
83 SONY_HELENE_DTV_ISDBT_6,
84 /**< ISDB-T 6MHzBW (IF: Fc=3.55MHz in default) */
85 SONY_HELENE_DTV_ISDBT_7,
86 /**< ISDB-T 7MHzBW (IF: Fc=4.15MHz in default) */
87 SONY_HELENE_DTV_ISDBT_8,
88 /**< ISDB-T 8MHzBW (IF: Fc=4.75MHz in default) */
89 SONY_HELENE_DTV_DVBT_5,
90 /**< DVB-T 5MHzBW (IF: Fc=3.6MHz in default) */
91 SONY_HELENE_DTV_DVBT_6,
92 /**< DVB-T 6MHzBW (IF: Fc=3.6MHz in default) */
93 SONY_HELENE_DTV_DVBT_7,
94 /**< DVB-T 7MHzBW (IF: Fc=4.2MHz in default) */
95 SONY_HELENE_DTV_DVBT_8,
96 /**< DVB-T 8MHzBW (IF: Fc=4.8MHz in default) */
97 SONY_HELENE_DTV_DVBT2_1_7,
98 /**< DVB-T2 1.7MHzBW (IF: Fc=3.5MHz in default) */
99 SONY_HELENE_DTV_DVBT2_5,
100 /**< DVB-T2 5MHzBW (IF: Fc=3.6MHz in default) */
101 SONY_HELENE_DTV_DVBT2_6,
102 /**< DVB-T2 6MHzBW (IF: Fc=3.6MHz in default) */
103 SONY_HELENE_DTV_DVBT2_7,
104 /**< DVB-T2 7MHzBW (IF: Fc=4.2MHz in default) */
105 SONY_HELENE_DTV_DVBT2_8,
106 /**< DVB-T2 8MHzBW (IF: Fc=4.8MHz in default) */
107 SONY_HELENE_DTV_DVBC_6,
108 /**< DVB-C 6MHzBW (IF: Fc=3.7MHz in default) */
109 SONY_HELENE_DTV_DVBC_8,
110 /**< DVB-C 8MHzBW (IF: Fc=4.9MHz in default) */
111 SONY_HELENE_DTV_DVBC2_6,
112 /**< DVB-C2 6MHzBW (IF: Fc=3.7MHz in default) */
113 SONY_HELENE_DTV_DVBC2_8,
114 /**< DVB-C2 8MHzBW (IF: Fc=4.9MHz in default) */
115 SONY_HELENE_DTV_DTMB,
116 /**< DTMB (IF: Fc=5.1MHz in default) */
117 /* Satellite */
118 SONY_HELENE_STV_ISDBS,
119 /**< ISDB-S */
120 SONY_HELENE_STV_DVBS,
121 /**< DVB-S */
122 SONY_HELENE_STV_DVBS2,
123 /**< DVB-S2 */
124
125 SONY_HELENE_ATV_MIN = SONY_HELENE_ATV_MN_EIAJ,
126 /**< Minimum analog terrestrial system */
127 SONY_HELENE_ATV_MAX = SONY_HELENE_ATV_L_DASH,
128 /**< Maximum analog terrestrial system */
129 SONY_HELENE_DTV_MIN = SONY_HELENE_DTV_8VSB,
130 /**< Minimum digital terrestrial system */
131 SONY_HELENE_DTV_MAX = SONY_HELENE_DTV_DTMB,
132 /**< Maximum digital terrestrial system */
133 SONY_HELENE_TERR_TV_SYSTEM_NUM,
134 /**< Number of supported terrestrial broadcasting system */
135 SONY_HELENE_STV_MIN = SONY_HELENE_STV_ISDBS,
136 /**< Minimum satellite system */
137 SONY_HELENE_STV_MAX = SONY_HELENE_STV_DVBS2
138 /**< Maximum satellite system */
139};
140
141struct helene_terr_adjust_param_t {
142 /* < Addr:0x69 Bit[6:4] : RFVGA gain.
143 * 0xFF means Auto. (RF_GAIN_SEL = 1)
144 */
145 uint8_t RF_GAIN;
146 /* < Addr:0x69 Bit[3:0] : IF_BPF gain.
147 */
148 uint8_t IF_BPF_GC;
149 /* < Addr:0x6B Bit[3:0] : RF overload
150 * RF input detect level. (FRF <= 172MHz)
151 */
152 uint8_t RFOVLD_DET_LV1_VL;
153 /* < Addr:0x6B Bit[3:0] : RF overload
154 * RF input detect level. (172MHz < FRF <= 464MHz)
155 */
156 uint8_t RFOVLD_DET_LV1_VH;
157 /* < Addr:0x6B Bit[3:0] : RF overload
158 * RF input detect level. (FRF > 464MHz)
159 */
160 uint8_t RFOVLD_DET_LV1_U;
161 /* < Addr:0x6C Bit[2:0] :
162 * Internal RFAGC detect level. (FRF <= 172MHz)
163 */
164 uint8_t IFOVLD_DET_LV_VL;
165 /* < Addr:0x6C Bit[2:0] :
166 * Internal RFAGC detect level. (172MHz < FRF <= 464MHz)
167 */
168 uint8_t IFOVLD_DET_LV_VH;
169 /* < Addr:0x6C Bit[2:0] :
170 * Internal RFAGC detect level. (FRF > 464MHz)
171 */
172 uint8_t IFOVLD_DET_LV_U;
173 /* < Addr:0x6D Bit[5:4] :
174 * IF filter center offset.
175 */
176 uint8_t IF_BPF_F0;
177 /* < Addr:0x6D Bit[1:0] :
178 * 6MHzBW(0x00) or 7MHzBW(0x01)
179 * or 8MHzBW(0x02) or 1.7MHzBW(0x03)
180 */
181 uint8_t BW;
182 /* < Addr:0x6E Bit[4:0] :
183 * 5bit signed. IF offset (kHz) = FIF_OFFSET x 50
184 */
185 uint8_t FIF_OFFSET;
186 /* < Addr:0x6F Bit[4:0] :
187 * 5bit signed. BW offset (kHz) =
188 * BW_OFFSET x 50 (BW_OFFSET x 10 in 1.7MHzBW)
189 */
190 uint8_t BW_OFFSET;
191 /* < Addr:0x9C Bit[0] :
192 * Local polarity. (0: Upper Local, 1: Lower Local)
193 */
194 uint8_t IS_LOWERLOCAL;
195};
196
197static const struct helene_terr_adjust_param_t
198terr_params[SONY_HELENE_TERR_TV_SYSTEM_NUM] = {
199 /*< SONY_HELENE_TV_SYSTEM_UNKNOWN */
200 {HELENE_AUTO, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
201 HELENE_BW_6, HELENE_OFFSET(0), HELENE_OFFSET(0), 0x00},
202 /* Analog */
203 /**< SONY_HELENE_ATV_MN_EIAJ (System-M (Japan)) */
204 {HELENE_AUTO, 0x05, 0x03, 0x06, 0x03, 0x01, 0x01, 0x01, 0x00,
205 HELENE_BW_6, HELENE_OFFSET(0), HELENE_OFFSET(1), 0x00},
206 /**< SONY_HELENE_ATV_MN_SAP (System-M (US)) */
207 {HELENE_AUTO, 0x05, 0x03, 0x06, 0x03, 0x01, 0x01, 0x01, 0x00,
208 HELENE_BW_6, HELENE_OFFSET(0), HELENE_OFFSET(1), 0x00},
209 {HELENE_AUTO, 0x05, 0x03, 0x06, 0x03, 0x01, 0x01, 0x01, 0x00,
210 HELENE_BW_6, HELENE_OFFSET(3), HELENE_OFFSET(1), 0x00},
211 /**< SONY_HELENE_ATV_MN_A2 (System-M (Korea)) */
212 {HELENE_AUTO, 0x05, 0x03, 0x06, 0x03, 0x01, 0x01, 0x01, 0x00,
213 HELENE_BW_7, HELENE_OFFSET(11), HELENE_OFFSET(5), 0x00},
214 /**< SONY_HELENE_ATV_BG (System-B/G) */
215 {HELENE_AUTO, 0x05, 0x03, 0x06, 0x03, 0x01, 0x01, 0x01, 0x00,
216 HELENE_BW_8, HELENE_OFFSET(2), HELENE_OFFSET(-3), 0x00},
217 /**< SONY_HELENE_ATV_I (System-I) */
218 {HELENE_AUTO, 0x05, 0x03, 0x06, 0x03, 0x01, 0x01, 0x01, 0x00,
219 HELENE_BW_8, HELENE_OFFSET(2), HELENE_OFFSET(-3), 0x00},
220 /**< SONY_HELENE_ATV_DK (System-D/K) */
221 {HELENE_AUTO, 0x03, 0x04, 0x0A, 0x04, 0x04, 0x04, 0x04, 0x00,
222 HELENE_BW_8, HELENE_OFFSET(2), HELENE_OFFSET(-3), 0x00},
223 /**< SONY_HELENE_ATV_L (System-L) */
224 {HELENE_AUTO, 0x03, 0x04, 0x0A, 0x04, 0x04, 0x04, 0x04, 0x00,
225 HELENE_BW_8, HELENE_OFFSET(-1), HELENE_OFFSET(4), 0x00},
226 /**< SONY_HELENE_ATV_L_DASH (System-L DASH) */
227 /* Digital */
228 {HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x03, 0x03, 0x03, 0x00,
229 HELENE_BW_6, HELENE_OFFSET(-6), HELENE_OFFSET(-3), 0x00},
230 /**< SONY_HELENE_DTV_8VSB (ATSC 8VSB) */
231 {HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00,
232 HELENE_BW_6, HELENE_OFFSET(-6), HELENE_OFFSET(-3), 0x00},
233 /**< SONY_HELENE_DTV_QAM (US QAM) */
234 {HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00,
235 HELENE_BW_6, HELENE_OFFSET(-9), HELENE_OFFSET(-5), 0x00},
236 /**< SONY_HELENE_DTV_ISDBT_6 (ISDB-T 6MHzBW) */
237 {HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00,
238 HELENE_BW_7, HELENE_OFFSET(-7), HELENE_OFFSET(-6), 0x00},
239 /**< SONY_HELENE_DTV_ISDBT_7 (ISDB-T 7MHzBW) */
240 {HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00,
241 HELENE_BW_8, HELENE_OFFSET(-5), HELENE_OFFSET(-7), 0x00},
242 /**< SONY_HELENE_DTV_ISDBT_8 (ISDB-T 8MHzBW) */
243 {HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00,
244 HELENE_BW_6, HELENE_OFFSET(-8), HELENE_OFFSET(-3), 0x00},
245 /**< SONY_HELENE_DTV_DVBT_5 (DVB-T 5MHzBW) */
246 {HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00,
247 HELENE_BW_6, HELENE_OFFSET(-8), HELENE_OFFSET(-3), 0x00},
248 /**< SONY_HELENE_DTV_DVBT_6 (DVB-T 6MHzBW) */
249 {HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00,
250 HELENE_BW_7, HELENE_OFFSET(-6), HELENE_OFFSET(-5), 0x00},
251 /**< SONY_HELENE_DTV_DVBT_7 (DVB-T 7MHzBW) */
252 {HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00,
253 HELENE_BW_8, HELENE_OFFSET(-4), HELENE_OFFSET(-6), 0x00},
254 /**< SONY_HELENE_DTV_DVBT_8 (DVB-T 8MHzBW) */
255 {HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00,
256 HELENE_BW_1_7, HELENE_OFFSET(-10), HELENE_OFFSET(-10), 0x00},
257 /**< SONY_HELENE_DTV_DVBT2_1_7 (DVB-T2 1.7MHzBW) */
258 {HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00,
259 HELENE_BW_6, HELENE_OFFSET(-8), HELENE_OFFSET(-3), 0x00},
260 /**< SONY_HELENE_DTV_DVBT2_5 (DVB-T2 5MHzBW) */
261 {HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00,
262 HELENE_BW_6, HELENE_OFFSET(-8), HELENE_OFFSET(-3), 0x00},
263 /**< SONY_HELENE_DTV_DVBT2_6 (DVB-T2 6MHzBW) */
264 {HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00,
265 HELENE_BW_7, HELENE_OFFSET(-6), HELENE_OFFSET(-5), 0x00},
266 /**< SONY_HELENE_DTV_DVBT2_7 (DVB-T2 7MHzBW) */
267 {HELENE_AUTO, 0x09, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00,
268 HELENE_BW_8, HELENE_OFFSET(-4), HELENE_OFFSET(-6), 0x00},
269 /**< SONY_HELENE_DTV_DVBT2_8 (DVB-T2 8MHzBW) */
270 {HELENE_AUTO, 0x05, 0x02, 0x02, 0x02, 0x01, 0x01, 0x01, 0x00,
271 HELENE_BW_6, HELENE_OFFSET(-6), HELENE_OFFSET(-4), 0x00},
272 /**< SONY_HELENE_DTV_DVBC_6 (DVB-C 6MHzBW) */
273 {HELENE_AUTO, 0x05, 0x02, 0x02, 0x02, 0x01, 0x01, 0x01, 0x00,
274 HELENE_BW_8, HELENE_OFFSET(-2), HELENE_OFFSET(-3), 0x00},
275 /**< SONY_HELENE_DTV_DVBC_8 (DVB-C 8MHzBW) */
276 {HELENE_AUTO, 0x03, 0x09, 0x09, 0x09, 0x02, 0x02, 0x02, 0x00,
277 HELENE_BW_6, HELENE_OFFSET(-6), HELENE_OFFSET(-2), 0x00},
278 /**< SONY_HELENE_DTV_DVBC2_6 (DVB-C2 6MHzBW) */
279 {HELENE_AUTO, 0x03, 0x09, 0x09, 0x09, 0x02, 0x02, 0x02, 0x00,
280 HELENE_BW_8, HELENE_OFFSET(-2), HELENE_OFFSET(0), 0x00},
281 /**< SONY_HELENE_DTV_DVBC2_8 (DVB-C2 8MHzBW) */
282 {HELENE_AUTO, 0x04, 0x0B, 0x0B, 0x0B, 0x02, 0x02, 0x02, 0x00,
283 HELENE_BW_8, HELENE_OFFSET(2), HELENE_OFFSET(1), 0x00}
284 /**< SONY_HELENE_DTV_DTMB (DTMB) */
285};
286
287static void helene_i2c_debug(struct helene_priv *priv,
288 u8 reg, u8 write, const u8 *data, u32 len)
289{
290 dev_dbg(&priv->i2c->dev, "helene: I2C %s reg 0x%02x size %d\n",
291 (write == 0 ? "read" : "write"), reg, len);
292 print_hex_dump_bytes("helene: I2C data: ",
293 DUMP_PREFIX_OFFSET, data, len);
294}
295
296static int helene_write_regs(struct helene_priv *priv,
297 u8 reg, const u8 *data, u32 len)
298{
299 int ret;
300 u8 buf[MAX_WRITE_REGSIZE + 1];
301 struct i2c_msg msg[1] = {
302 {
303 .addr = priv->i2c_address,
304 .flags = 0,
305 .len = len + 1,
306 .buf = buf,
307 }
308 };
309
310 if (len + 1 > sizeof(buf)) {
311 dev_warn(&priv->i2c->dev,
b6095d29 312 "wr reg=%04x: len=%d vs %Zu is too big!\n",
2dc1ed4e
AO		 313 reg, len + 1, sizeof(buf));
314 return -E2BIG;
315 }
316
317 helene_i2c_debug(priv, reg, 1, data, len);
318 buf[0] = reg;
319 memcpy(&buf[1], data, len);
320 ret = i2c_transfer(priv->i2c, msg, 1);
321 if (ret >= 0 && ret != 1)
322 ret = -EREMOTEIO;
323 if (ret < 0) {
324 dev_warn(&priv->i2c->dev,
325 "%s: i2c wr failed=%d reg=%02x len=%d\n",
326 KBUILD_MODNAME, ret, reg, len);
327 return ret;
328 }
329 return 0;
330}
331
332static int helene_write_reg(struct helene_priv *priv, u8 reg, u8 val)
333{
334 return helene_write_regs(priv, reg, &val, 1);
335}
336
337static int helene_read_regs(struct helene_priv *priv,
338 u8 reg, u8 *val, u32 len)
339{
340 int ret;
341 struct i2c_msg msg[2] = {
342 {
343 .addr = priv->i2c_address,
344 .flags = 0,
345 .len = 1,
346 .buf = &reg,
347 }, {
348 .addr = priv->i2c_address,
349 .flags = I2C_M_RD,
350 .len = len,
351 .buf = val,
352 }
353 };
354
355 ret = i2c_transfer(priv->i2c, &msg[0], 1);
356 if (ret >= 0 && ret != 1)
357 ret = -EREMOTEIO;
358 if (ret < 0) {
359 dev_warn(&priv->i2c->dev,
360 "%s: I2C rw failed=%d addr=%02x reg=%02x\n",
361 KBUILD_MODNAME, ret, priv->i2c_address, reg);
362 return ret;
363 }
364 ret = i2c_transfer(priv->i2c, &msg[1], 1);
365 if (ret >= 0 && ret != 1)
366 ret = -EREMOTEIO;
367 if (ret < 0) {
368 dev_warn(&priv->i2c->dev,
369 "%s: i2c rd failed=%d addr=%02x reg=%02x\n",
370 KBUILD_MODNAME, ret, priv->i2c_address, reg);
371 return ret;
372 }
373 helene_i2c_debug(priv, reg, 0, val, len);
374 return 0;
375}
376
377static int helene_read_reg(struct helene_priv *priv, u8 reg, u8 *val)
378{
379 return helene_read_regs(priv, reg, val, 1);
380}
381
382static int helene_set_reg_bits(struct helene_priv *priv,
383 u8 reg, u8 data, u8 mask)
384{
385 int res;
386 u8 rdata;
387
388 if (mask != 0xff) {
389 res = helene_read_reg(priv, reg, &rdata);
390 if (res != 0)
391 return res;
392 data = ((data & mask) | (rdata & (mask ^ 0xFF)));
393 }
394 return helene_write_reg(priv, reg, data);
395}
396
397static int helene_enter_power_save(struct helene_priv *priv)
398{
399 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
400 if (priv->state == STATE_SLEEP)
401 return 0;
402
403 /* Standby setting for CPU */
404 helene_write_reg(priv, 0x88, 0x0);
405
406 /* Standby setting for internal logic block */
407 helene_write_reg(priv, 0x87, 0xC0);
408
409 priv->state = STATE_SLEEP;
410 return 0;
411}
412
413static int helene_leave_power_save(struct helene_priv *priv)
414{
415 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
416 if (priv->state == STATE_ACTIVE)
417 return 0;
418
419 /* Standby setting for internal logic block */
420 helene_write_reg(priv, 0x87, 0xC4);
421
422 /* Standby setting for CPU */
423 helene_write_reg(priv, 0x88, 0x40);
424
425 priv->state = STATE_ACTIVE;
426 return 0;
427}
428
429static int helene_init(struct dvb_frontend *fe)
430{
431 struct helene_priv *priv = fe->tuner_priv;
432
433 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
434 return helene_leave_power_save(priv);
435}
436
437static int helene_release(struct dvb_frontend *fe)
438{
439 struct helene_priv *priv = fe->tuner_priv;
440
441 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
442 kfree(fe->tuner_priv);
443 fe->tuner_priv = NULL;
444 return 0;
445}
446
447static int helene_sleep(struct dvb_frontend *fe)
448{
449 struct helene_priv *priv = fe->tuner_priv;
450
451 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
452 helene_enter_power_save(priv);
453 return 0;
454}
455
456static enum helene_tv_system_t helene_get_tv_system(struct dvb_frontend *fe)
457{
458 enum helene_tv_system_t system = SONY_HELENE_TV_SYSTEM_UNKNOWN;
459 struct dtv_frontend_properties *p = &fe->dtv_property_cache;
460 struct helene_priv *priv = fe->tuner_priv;
461
462 if (p->delivery_system == SYS_DVBT) {
463 if (p->bandwidth_hz <= 5000000)
464 system = SONY_HELENE_DTV_DVBT_5;
465 else if (p->bandwidth_hz <= 6000000)
466 system = SONY_HELENE_DTV_DVBT_6;
467 else if (p->bandwidth_hz <= 7000000)
468 system = SONY_HELENE_DTV_DVBT_7;
469 else if (p->bandwidth_hz <= 8000000)
470 system = SONY_HELENE_DTV_DVBT_8;
471 else {
472 system = SONY_HELENE_DTV_DVBT_8;
473 p->bandwidth_hz = 8000000;
474 }
475 } else if (p->delivery_system == SYS_DVBT2) {
476 if (p->bandwidth_hz <= 5000000)
477 system = SONY_HELENE_DTV_DVBT2_5;
478 else if (p->bandwidth_hz <= 6000000)
479 system = SONY_HELENE_DTV_DVBT2_6;
480 else if (p->bandwidth_hz <= 7000000)
481 system = SONY_HELENE_DTV_DVBT2_7;
482 else if (p->bandwidth_hz <= 8000000)
483 system = SONY_HELENE_DTV_DVBT2_8;
484 else {
485 system = SONY_HELENE_DTV_DVBT2_8;
486 p->bandwidth_hz = 8000000;
487 }
488 } else if (p->delivery_system == SYS_DVBS) {
489 system = SONY_HELENE_STV_DVBS;
490 } else if (p->delivery_system == SYS_DVBS2) {
491 system = SONY_HELENE_STV_DVBS2;
492 } else if (p->delivery_system == SYS_ISDBS) {
493 system = SONY_HELENE_STV_ISDBS;
494 } else if (p->delivery_system == SYS_ISDBT) {
495 if (p->bandwidth_hz <= 6000000)
496 system = SONY_HELENE_DTV_ISDBT_6;
497 else if (p->bandwidth_hz <= 7000000)
498 system = SONY_HELENE_DTV_ISDBT_7;
499 else if (p->bandwidth_hz <= 8000000)
500 system = SONY_HELENE_DTV_ISDBT_8;
501 else {
502 system = SONY_HELENE_DTV_ISDBT_8;
503 p->bandwidth_hz = 8000000;
504 }
505 } else if (p->delivery_system == SYS_DVBC_ANNEX_A) {
506 if (p->bandwidth_hz <= 6000000)
507 system = SONY_HELENE_DTV_DVBC_6;
508 else if (p->bandwidth_hz <= 8000000)
509 system = SONY_HELENE_DTV_DVBC_8;
510 }
511 dev_dbg(&priv->i2c->dev,
512 "%s(): HELENE DTV system %d (delsys %d, bandwidth %d)\n",
513 __func__, (int)system, p->delivery_system,
514 p->bandwidth_hz);
515 return system;
516}
517
518static int helene_set_params_s(struct dvb_frontend *fe)
519{
520 u8 data[MAX_WRITE_REGSIZE];
521 u32 frequency;
522 enum helene_tv_system_t tv_system;
523 struct dtv_frontend_properties *p = &fe->dtv_property_cache;
524 struct helene_priv *priv = fe->tuner_priv;
1cdc4f09 525 int frequencykHz = p->frequency;
2dc1ed4e
AO		 526 uint32_t frequency4kHz = 0;
527 u32 symbol_rate = p->symbol_rate/1000;
528
529 dev_dbg(&priv->i2c->dev, "%s(): tune frequency %dkHz sr=%uKsps\n",
530 __func__, frequencykHz, symbol_rate);
531 tv_system = helene_get_tv_system(fe);
532
533 if (tv_system == SONY_HELENE_TV_SYSTEM_UNKNOWN) {
534 dev_err(&priv->i2c->dev, "%s(): unknown DTV system\n",
535 __func__);
536 return -EINVAL;
537 }
538 /* RF switch turn to satellite */
539 if (priv->set_tuner)
540 priv->set_tuner(priv->set_tuner_data, 0);
541 frequency = roundup(p->frequency / 1000, 1);
542
543 /* Disable IF signal output */
544 helene_write_reg(priv, 0x15, 0x02);
545
546 /* RFIN matching in power save (Sat) reset */
547 helene_write_reg(priv, 0x43, 0x06);
548
549 /* Analog block setting (0x6A, 0x6B) */
550 data[0] = 0x00;
551 data[1] = 0x00;
552 helene_write_regs(priv, 0x6A, data, 2);
553 helene_write_reg(priv, 0x75, 0x99);
554 helene_write_reg(priv, 0x9D, 0x00);
555
556 /* Tuning setting for CPU (0x61) */
557 helene_write_reg(priv, 0x61, 0x07);
558
559 /* Satellite mode select (0x01) */
560 helene_write_reg(priv, 0x01, 0x01);
561
562 /* Clock enable for internal logic block, CPU wake-up (0x04, 0x05) */
563 data[0] = 0xC4;
564 data[1] = 0x40;
565
566 switch (priv->xtal) {
567 case SONY_HELENE_XTAL_16000:
568 data[2] = 0x02;
569 break;
570 case SONY_HELENE_XTAL_20500:
571 data[2] = 0x02;
572 break;
573 case SONY_HELENE_XTAL_24000:
574 data[2] = 0x03;
575 break;
576 case SONY_HELENE_XTAL_41000:
577 data[2] = 0x05;
578 break;
579 default:
580 dev_err(&priv->i2c->dev, "%s(): unknown xtal %d\n",
581 __func__, priv->xtal);
582 return -EINVAL;
583 }
584
585 /* Setting for analog block (0x07). LOOPFILTER INTERNAL */
586 data[3] = 0x80;
587
588 /* Tuning setting for analog block
589 * (0x08, 0x09, 0x0A, 0x0B). LOOPFILTER INTERNAL
590 */
591 if (priv->xtal == SONY_HELENE_XTAL_20500)
592 data[4] = 0x58;
593 else
594 data[4] = 0x70;
595
596 data[5] = 0x1E;
597 data[6] = 0x02;
598 data[7] = 0x24;
599
600 /* Enable for analog block (0x0C, 0x0D, 0x0E). SAT LNA ON */
601 data[8] = 0x0F;
602 data[8] |= 0xE0; /* POWERSAVE_TERR_RF_ACTIVE */
603 data[9] = 0x02;
604 data[10] = 0x1E;
605
606 /* Setting for LPF cutoff frequency (0x0F) */
607 switch (tv_system) {
608 case SONY_HELENE_STV_ISDBS:
609 data[11] = 0x22; /* 22MHz */
610 break;
611 case SONY_HELENE_STV_DVBS:
612 if (symbol_rate <= 4000)
613 data[11] = 0x05;
614 else if (symbol_rate <= 10000)
615 data[11] = (uint8_t)((symbol_rate * 47
616 + (40000-1)) / 40000);
617 else
618 data[11] = (uint8_t)((symbol_rate * 27
619 + (40000-1)) / 40000 + 5);
620
621 if (data[11] > 36)
622 data[11] = 36; /* 5 <= lpf_cutoff <= 36 is valid */
623 break;
624 case SONY_HELENE_STV_DVBS2:
625 if (symbol_rate <= 4000)
626 data[11] = 0x05;
627 else if (symbol_rate <= 10000)
628 data[11] = (uint8_t)((symbol_rate * 11
629 + (10000-1)) / 10000);
630 else
631 data[11] = (uint8_t)((symbol_rate * 3
632 + (5000-1)) / 5000 + 5);
633
634 if (data[11] > 36)
635 data[11] = 36; /* 5 <= lpf_cutoff <= 36 is valid */
636 break;
637 default:
638 dev_err(&priv->i2c->dev, "%s(): unknown standard %d\n",
639 __func__, tv_system);
640 return -EINVAL;
641 }
642
643 /* RF tuning frequency setting (0x10, 0x11, 0x12) */
644 frequency4kHz = (frequencykHz + 2) / 4;
645 data[12] = (uint8_t)(frequency4kHz & 0xFF); /* FRF_L */
646 data[13] = (uint8_t)((frequency4kHz >> 8) & 0xFF); /* FRF_M */
647 /* FRF_H (bit[3:0]) */
648 data[14] = (uint8_t)((frequency4kHz >> 16) & 0x0F);
649
650 /* Tuning command (0x13) */
651 data[15] = 0xFF;
652
653 /* Setting for IQOUT_LIMIT (0x14) 0.75Vpp */
654 data[16] = 0x00;
655
656 /* Enable IQ output (0x15) */
657 data[17] = 0x01;
658
659 helene_write_regs(priv, 0x04, data, 18);
660
661 dev_dbg(&priv->i2c->dev, "%s(): tune done\n",
662 __func__);
663
664 priv->frequency = frequency;
665 return 0;
666}
667
668static int helene_set_params(struct dvb_frontend *fe)
669{
670 u8 data[MAX_WRITE_REGSIZE];
671 u32 frequency;
672 enum helene_tv_system_t tv_system;
673 struct dtv_frontend_properties *p = &fe->dtv_property_cache;
674 struct helene_priv *priv = fe->tuner_priv;
675 int frequencykHz = p->frequency / 1000;
676
677 dev_dbg(&priv->i2c->dev, "%s(): tune frequency %dkHz\n",
678 __func__, frequencykHz);
679 tv_system = helene_get_tv_system(fe);
680
681 if (tv_system == SONY_HELENE_TV_SYSTEM_UNKNOWN) {
682 dev_dbg(&priv->i2c->dev, "%s(): unknown DTV system\n",
683 __func__);
684 return -EINVAL;
685 }
686 if (priv->set_tuner)
687 priv->set_tuner(priv->set_tuner_data, 1);
688 frequency = roundup(p->frequency / 1000, 25);
689
690 /* mode select */
691 helene_write_reg(priv, 0x01, 0x00);
692
693 /* Disable IF signal output */
694 helene_write_reg(priv, 0x74, 0x02);
695
696 if (priv->state == STATE_SLEEP)
697 helene_leave_power_save(priv);
698
699 /* Initial setting for internal analog block (0x91, 0x92) */
700 if ((tv_system == SONY_HELENE_DTV_DVBC_6) ||
701 (tv_system == SONY_HELENE_DTV_DVBC_8)) {
702 data[0] = 0x16;
703 data[1] = 0x26;
704 } else {
705 data[0] = 0x10;
706 data[1] = 0x20;
707 }
708 helene_write_regs(priv, 0x91, data, 2);
709
710 /* Setting for analog block */
711 if (TERR_INTERNAL_LOOPFILTER_AVAILABLE(tv_system))
712 data[0] = 0x90;
713 else
714 data[0] = 0x00;
715
716 /* Setting for local polarity (0x9D) */
717 data[1] = (uint8_t)(terr_params[tv_system].IS_LOWERLOCAL & 0x01);
718 helene_write_regs(priv, 0x9C, data, 2);
719
720 /* Enable for analog block */
721 data[0] = 0xEE;
722 data[1] = 0x02;
723 data[2] = 0x1E;
724 data[3] = 0x67; /* Tuning setting for CPU */
725
726 /* Setting for PLL reference divider for xtal=24MHz */
727 if ((tv_system == SONY_HELENE_DTV_DVBC_6) ||
728 (tv_system == SONY_HELENE_DTV_DVBC_8))
729 data[4] = 0x18;
730 else
731 data[4] = 0x03;
732
733 /* Tuning setting for analog block */
734 if (TERR_INTERNAL_LOOPFILTER_AVAILABLE(tv_system)) {
735 data[5] = 0x38;
736 data[6] = 0x1E;
737 data[7] = 0x02;
738 data[8] = 0x24;
739 } else if ((tv_system == SONY_HELENE_DTV_DVBC_6) ||
740 (tv_system == SONY_HELENE_DTV_DVBC_8)) {
741 data[5] = 0x1C;
742 data[6] = 0x78;
743 data[7] = 0x08;
744 data[8] = 0x1C;
745 } else {
746 data[5] = 0xB4;
747 data[6] = 0x78;
748 data[7] = 0x08;
749 data[8] = 0x30;
155af08b 750 }
2dc1ed4e
AO		 751 helene_write_regs(priv, 0x5E, data, 9);
752
753 /* LT_AMP_EN should be 0 */
754 helene_set_reg_bits(priv, 0x67, 0x0, 0x02);
755
756 /* Setting for IFOUT_LIMIT */
757 data[0] = 0x00; /* 1.5Vpp */
758
759 /* RF_GAIN setting */
760 if (terr_params[tv_system].RF_GAIN == HELENE_AUTO)
761 data[1] = 0x80; /* RF_GAIN_SEL = 1 */
762 else
763 data[1] = (uint8_t)((terr_params[tv_system].RF_GAIN
764 << 4) & 0x70);
765
766 /* IF_BPF_GC setting */
767 data[1] |= (uint8_t)(terr_params[tv_system].IF_BPF_GC & 0x0F);
768
769 /* Setting for internal RFAGC (0x6A, 0x6B, 0x6C) */
770 data[2] = 0x00;
771 if (frequencykHz <= 172000) {
772 data[3] = (uint8_t)(terr_params[tv_system].RFOVLD_DET_LV1_VL
773 & 0x0F);
774 data[4] = (uint8_t)(terr_params[tv_system].IFOVLD_DET_LV_VL
775 & 0x07);
776 } else if (frequencykHz <= 464000) {
777 data[3] = (uint8_t)(terr_params[tv_system].RFOVLD_DET_LV1_VH
778 & 0x0F);
779 data[4] = (uint8_t)(terr_params[tv_system].IFOVLD_DET_LV_VH
780 & 0x07);
781 } else {
782 data[3] = (uint8_t)(terr_params[tv_system].RFOVLD_DET_LV1_U
783 & 0x0F);
784 data[4] = (uint8_t)(terr_params[tv_system].IFOVLD_DET_LV_U
785 & 0x07);
786 }
787 data[4] |= 0x20;
788
789 /* Setting for IF frequency and bandwidth */
790
791 /* IF filter center frequency offset (IF_BPF_F0) (0x6D) */
792 data[5] = (uint8_t)((terr_params[tv_system].IF_BPF_F0 << 4) & 0x30);
793
794 /* IF filter band width (BW) (0x6D) */
795 data[5] |= (uint8_t)(terr_params[tv_system].BW & 0x03);
796
797 /* IF frequency offset value (FIF_OFFSET) (0x6E) */
798 data[6] = (uint8_t)(terr_params[tv_system].FIF_OFFSET & 0x1F);
799
800 /* IF band width offset value (BW_OFFSET) (0x6F) */
801 data[7] = (uint8_t)(terr_params[tv_system].BW_OFFSET & 0x1F);
802
803 /* RF tuning frequency setting (0x70, 0x71, 0x72) */
804 data[8] = (uint8_t)(frequencykHz & 0xFF); /* FRF_L */
805 data[9] = (uint8_t)((frequencykHz >> 8) & 0xFF); /* FRF_M */
806 data[10] = (uint8_t)((frequencykHz >> 16)
807 & 0x0F); /* FRF_H (bit[3:0]) */
808
809 /* Tuning command */
810 data[11] = 0xFF;
811
812 /* Enable IF output, AGC and IFOUT pin selection (0x74) */
813 data[12] = 0x01;
814
815 if ((tv_system == SONY_HELENE_DTV_DVBC_6) ||
816 (tv_system == SONY_HELENE_DTV_DVBC_8)) {
817 data[13] = 0xD9;
818 data[14] = 0x0F;
819 data[15] = 0x24;
820 data[16] = 0x87;
821 } else {
822 data[13] = 0x99;
823 data[14] = 0x00;
824 data[15] = 0x24;
825 data[16] = 0x87;
826 }
827
828 helene_write_regs(priv, 0x68, data, 17);
829
830 dev_dbg(&priv->i2c->dev, "%s(): tune done\n",
831 __func__);
832
833 priv->frequency = frequency;
834 return 0;
835}
836
837static int helene_get_frequency(struct dvb_frontend *fe, u32 *frequency)
838{
839 struct helene_priv *priv = fe->tuner_priv;
840
841 *frequency = priv->frequency * 1000;
842 return 0;
843}
844
845static struct dvb_tuner_ops helene_tuner_ops = {
846 .info = {
847 .name = "Sony HELENE Ter tuner",
848 .frequency_min = 1000000,
849 .frequency_max = 1200000000,
850 .frequency_step = 25000,
851 },
852 .init = helene_init,
853 .release = helene_release,
854 .sleep = helene_sleep,
855 .set_params = helene_set_params,
856 .get_frequency = helene_get_frequency,
857};
858
859static struct dvb_tuner_ops helene_tuner_ops_s = {
860 .info = {
861 .name = "Sony HELENE Sat tuner",
862 .frequency_min = 500000,
863 .frequency_max = 2500000,
864 .frequency_step = 1000,
865 },
866 .init = helene_init,
867 .release = helene_release,
868 .sleep = helene_sleep,
869 .set_params = helene_set_params_s,
870 .get_frequency = helene_get_frequency,
871};
872
873/* power-on tuner
874 * call once after reset
875 */
876static int helene_x_pon(struct helene_priv *priv)
877{
878 /* RFIN matching in power save (terrestrial) = ACTIVE */
879 /* RFIN matching in power save (satellite) = ACTIVE */
880 u8 dataT[] = { 0x06, 0x00, 0x02, 0x00 };
881 /* SAT_RF_ACTIVE = true, lnaOff = false, terrRfActive = true */
882 u8 dataS[] = { 0x05, 0x06 };
883 u8 cdata[] = {0x7A, 0x01};
884 u8 data[20];
885 u8 rdata[2];
886
887 /* mode select */
888 helene_write_reg(priv, 0x01, 0x00);
889
890 helene_write_reg(priv, 0x67, dataT[3]);
891 helene_write_reg(priv, 0x43, dataS[1]);
892 helene_write_regs(priv, 0x5E, dataT, 3);
893 helene_write_reg(priv, 0x0C, dataS[0]);
894
895 /* Initial setting for internal logic block */
896 helene_write_regs(priv, 0x99, cdata, sizeof(cdata));
897
898 /* 0x81 - 0x94 */
899 data[0] = 0x18; /* xtal 24 MHz */
900 data[1] = (uint8_t)(0x80 | (0x04 & 0x1F)); /* 4 x 25 = 100uA */
901 data[2] = (uint8_t)(0x80 | (0x26 & 0x7F)); /* 38 x 0.25 = 9.5pF */
902 data[3] = 0x80; /* REFOUT signal output 500mVpp */
903 data[4] = 0x00; /* GPIO settings */
904 data[5] = 0x00; /* GPIO settings */
905 data[6] = 0xC4; /* Clock enable for internal logic block */
906 data[7] = 0x40; /* Start CPU boot-up */
907 data[8] = 0x10; /* For burst-write */
908
909 /* Setting for internal RFAGC */
910 data[9] = 0x00;
911 data[10] = 0x45;
912 data[11] = 0x75;
913
914 data[12] = 0x07; /* Setting for analog block */
915
916 /* Initial setting for internal analog block */
917 data[13] = 0x1C;
918 data[14] = 0x3F;
919 data[15] = 0x02;
920 data[16] = 0x10;
921 data[17] = 0x20;
922 data[18] = 0x0A;
923 data[19] = 0x00;
924
925 helene_write_regs(priv, 0x81, data, sizeof(data));
926
927 /* Setting for internal RFAGC */
928 helene_write_reg(priv, 0x9B, 0x00);
929
930 msleep(20);
931
932 /* Check CPU_STT/CPU_ERR */
933 helene_read_regs(priv, 0x1A, rdata, sizeof(rdata));
934
935 if (rdata[0] != 0x00) {
936 dev_err(&priv->i2c->dev,
937 "HELENE tuner CPU error 0x%x\n", rdata[0]);
938 return -EIO;
939 }
940
941 /* VCO current setting */
942 cdata[0] = 0x90;
943 cdata[1] = 0x06;
944 helene_write_regs(priv, 0x17, cdata, sizeof(cdata));
945 msleep(20);
946 helene_read_reg(priv, 0x19, data);
947 helene_write_reg(priv, 0x95, (uint8_t)((data[0] >> 4) & 0x0F));
948
949 /* Disable IF signal output */
950 helene_write_reg(priv, 0x74, 0x02);
951
952 /* Standby setting for CPU */
953 helene_write_reg(priv, 0x88, 0x00);
954
955 /* Standby setting for internal logic block */
956 helene_write_reg(priv, 0x87, 0xC0);
957
958 /* Load capacitance control setting for crystal oscillator */
959 helene_write_reg(priv, 0x80, 0x01);
960
961 /* Satellite initial setting */
962 cdata[0] = 0x07;
963 cdata[1] = 0x00;
964 helene_write_regs(priv, 0x41, cdata, sizeof(cdata));
965
966 dev_info(&priv->i2c->dev,
967 "HELENE tuner x_pon done\n");
968
969 return 0;
970}
971
972struct dvb_frontend *helene_attach_s(struct dvb_frontend *fe,
973 const struct helene_config *config,
974 struct i2c_adapter *i2c)
975{
976 struct helene_priv *priv = NULL;
977
978 priv = kzalloc(sizeof(struct helene_priv), GFP_KERNEL);
979 if (priv == NULL)
980 return NULL;
981 priv->i2c_address = (config->i2c_address >> 1);
982 priv->i2c = i2c;
983 priv->set_tuner_data = config->set_tuner_priv;
984 priv->set_tuner = config->set_tuner_callback;
985 priv->xtal = config->xtal;
986
987 if (fe->ops.i2c_gate_ctrl)
988 fe->ops.i2c_gate_ctrl(fe, 1);
989
fd322396
CIK		 990 if (helene_x_pon(priv) != 0) {
991 kfree(priv);
2dc1ed4e 992 return NULL;
fd322396 993 }
2dc1ed4e
AO		 994
995 if (fe->ops.i2c_gate_ctrl)
996 fe->ops.i2c_gate_ctrl(fe, 0);
997
998 memcpy(&fe->ops.tuner_ops, &helene_tuner_ops_s,
999 sizeof(struct dvb_tuner_ops));
1000 fe->tuner_priv = priv;
1001 dev_info(&priv->i2c->dev,
1002 "Sony HELENE Sat attached on addr=%x at I2C adapter %p\n",
1003 priv->i2c_address, priv->i2c);
1004 return fe;
1005}
1006EXPORT_SYMBOL(helene_attach_s);
1007
1008struct dvb_frontend *helene_attach(struct dvb_frontend *fe,
1009 const struct helene_config *config,
1010 struct i2c_adapter *i2c)
1011{
1012 struct helene_priv *priv = NULL;
1013
1014 priv = kzalloc(sizeof(struct helene_priv), GFP_KERNEL);
1015 if (priv == NULL)
1016 return NULL;
1017 priv->i2c_address = (config->i2c_address >> 1);
1018 priv->i2c = i2c;
1019 priv->set_tuner_data = config->set_tuner_priv;
1020 priv->set_tuner = config->set_tuner_callback;
1021 priv->xtal = config->xtal;
1022
1023 if (fe->ops.i2c_gate_ctrl)
1024 fe->ops.i2c_gate_ctrl(fe, 1);
1025
fd322396
CIK		 1026 if (helene_x_pon(priv) != 0) {
1027 kfree(priv);
2dc1ed4e 1028 return NULL;
fd322396 1029 }
2dc1ed4e
AO		 1030
1031 if (fe->ops.i2c_gate_ctrl)
1032 fe->ops.i2c_gate_ctrl(fe, 0);
1033
1034 memcpy(&fe->ops.tuner_ops, &helene_tuner_ops,
1035 sizeof(struct dvb_tuner_ops));
1036 fe->tuner_priv = priv;
1037 dev_info(&priv->i2c->dev,
1038 "Sony HELENE Ter attached on addr=%x at I2C adapter %p\n",
1039 priv->i2c_address, priv->i2c);
1040 return fe;
1041}
1042EXPORT_SYMBOL(helene_attach);
1043
1044MODULE_DESCRIPTION("Sony HELENE Sat/Ter tuner driver");
1045MODULE_AUTHOR("Abylay Ospan <aospan@netup.ru>");
1046MODULE_LICENSE("GPL");
Linux kernel - Deliverables
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