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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
[cris-mirror.git] / drivers / media / dvb-frontends / cxd2841er.c
blob85905d3503ffcc2c9940e9ba883c90f354b7c4a9
1 /*
2 * cxd2841er.c
3 *
4 * Sony digital demodulator driver for
5 * CXD2841ER - DVB-S/S2/T/T2/C/C2
6 * CXD2854ER - DVB-S/S2/T/T2/C/C2, ISDB-T/S
7 *
8 * Copyright 2012 Sony Corporation
9 * Copyright (C) 2014 NetUP Inc.
10 * Copyright (C) 2014 Sergey Kozlov <serjk@netup.ru>
11 * Copyright (C) 2014 Abylay Ospan <aospan@netup.ru>
12 *
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2 of the License, or
16 * (at your option) any later version.
17 *
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
22 */
23
24 #include <linux/module.h>
25 #include <linux/init.h>
26 #include <linux/string.h>
27 #include <linux/slab.h>
28 #include <linux/bitops.h>
29 #include <linux/math64.h>
30 #include <linux/log2.h>
31 #include <linux/dynamic_debug.h>
32 #include <linux/kernel.h>
33
34 #include <media/dvb_math.h>
35 #include <media/dvb_frontend.h>
36 #include "cxd2841er.h"
37 #include "cxd2841er_priv.h"
38
39 #define MAX_WRITE_REGSIZE 16
40 #define LOG2_E_100X 144
41
42 #define INTLOG10X100(x) ((u32) (((u64) intlog10(x) * 100) >> 24))
43
44 /* DVB-C constellation */
45 enum sony_dvbc_constellation_t {
46 SONY_DVBC_CONSTELLATION_16QAM,
47 SONY_DVBC_CONSTELLATION_32QAM,
48 SONY_DVBC_CONSTELLATION_64QAM,
49 SONY_DVBC_CONSTELLATION_128QAM,
50 SONY_DVBC_CONSTELLATION_256QAM
51 };
52
53 enum cxd2841er_state {
54 STATE_SHUTDOWN = 0,
55 STATE_SLEEP_S,
56 STATE_ACTIVE_S,
57 STATE_SLEEP_TC,
58 STATE_ACTIVE_TC
59 };
60
61 struct cxd2841er_priv {
62 struct dvb_frontend frontend;
63 struct i2c_adapter *i2c;
64 u8 i2c_addr_slvx;
65 u8 i2c_addr_slvt;
66 const struct cxd2841er_config *config;
67 enum cxd2841er_state state;
68 u8 system;
69 enum cxd2841er_xtal xtal;
70 enum fe_caps caps;
71 u32 flags;
72 };
73
74 static const struct cxd2841er_cnr_data s_cn_data[] = {
75 { 0x033e, 0 }, { 0x0339, 100 }, { 0x0333, 200 },
76 { 0x032e, 300 }, { 0x0329, 400 }, { 0x0324, 500 },
77 { 0x031e, 600 }, { 0x0319, 700 }, { 0x0314, 800 },
78 { 0x030f, 900 }, { 0x030a, 1000 }, { 0x02ff, 1100 },
79 { 0x02f4, 1200 }, { 0x02e9, 1300 }, { 0x02de, 1400 },
80 { 0x02d4, 1500 }, { 0x02c9, 1600 }, { 0x02bf, 1700 },
81 { 0x02b5, 1800 }, { 0x02ab, 1900 }, { 0x02a1, 2000 },
82 { 0x029b, 2100 }, { 0x0295, 2200 }, { 0x0290, 2300 },
83 { 0x028a, 2400 }, { 0x0284, 2500 }, { 0x027f, 2600 },
84 { 0x0279, 2700 }, { 0x0274, 2800 }, { 0x026e, 2900 },
85 { 0x0269, 3000 }, { 0x0262, 3100 }, { 0x025c, 3200 },
86 { 0x0255, 3300 }, { 0x024f, 3400 }, { 0x0249, 3500 },
87 { 0x0242, 3600 }, { 0x023c, 3700 }, { 0x0236, 3800 },
88 { 0x0230, 3900 }, { 0x022a, 4000 }, { 0x0223, 4100 },
89 { 0x021c, 4200 }, { 0x0215, 4300 }, { 0x020e, 4400 },
90 { 0x0207, 4500 }, { 0x0201, 4600 }, { 0x01fa, 4700 },
91 { 0x01f4, 4800 }, { 0x01ed, 4900 }, { 0x01e7, 5000 },
92 { 0x01e0, 5100 }, { 0x01d9, 5200 }, { 0x01d2, 5300 },
93 { 0x01cb, 5400 }, { 0x01c4, 5500 }, { 0x01be, 5600 },
94 { 0x01b7, 5700 }, { 0x01b1, 5800 }, { 0x01aa, 5900 },
95 { 0x01a4, 6000 }, { 0x019d, 6100 }, { 0x0196, 6200 },
96 { 0x018f, 6300 }, { 0x0189, 6400 }, { 0x0182, 6500 },
97 { 0x017c, 6600 }, { 0x0175, 6700 }, { 0x016f, 6800 },
98 { 0x0169, 6900 }, { 0x0163, 7000 }, { 0x015c, 7100 },
99 { 0x0156, 7200 }, { 0x0150, 7300 }, { 0x014a, 7400 },
100 { 0x0144, 7500 }, { 0x013e, 7600 }, { 0x0138, 7700 },
101 { 0x0132, 7800 }, { 0x012d, 7900 }, { 0x0127, 8000 },
102 { 0x0121, 8100 }, { 0x011c, 8200 }, { 0x0116, 8300 },
103 { 0x0111, 8400 }, { 0x010b, 8500 }, { 0x0106, 8600 },
104 { 0x0101, 8700 }, { 0x00fc, 8800 }, { 0x00f7, 8900 },
105 { 0x00f2, 9000 }, { 0x00ee, 9100 }, { 0x00ea, 9200 },
106 { 0x00e6, 9300 }, { 0x00e2, 9400 }, { 0x00de, 9500 },
107 { 0x00da, 9600 }, { 0x00d7, 9700 }, { 0x00d3, 9800 },
108 { 0x00d0, 9900 }, { 0x00cc, 10000 }, { 0x00c7, 10100 },
109 { 0x00c3, 10200 }, { 0x00bf, 10300 }, { 0x00ba, 10400 },
110 { 0x00b6, 10500 }, { 0x00b2, 10600 }, { 0x00ae, 10700 },
111 { 0x00aa, 10800 }, { 0x00a7, 10900 }, { 0x00a3, 11000 },
112 { 0x009f, 11100 }, { 0x009c, 11200 }, { 0x0098, 11300 },
113 { 0x0094, 11400 }, { 0x0091, 11500 }, { 0x008e, 11600 },
114 { 0x008a, 11700 }, { 0x0087, 11800 }, { 0x0084, 11900 },
115 { 0x0081, 12000 }, { 0x007e, 12100 }, { 0x007b, 12200 },
116 { 0x0079, 12300 }, { 0x0076, 12400 }, { 0x0073, 12500 },
117 { 0x0071, 12600 }, { 0x006e, 12700 }, { 0x006c, 12800 },
118 { 0x0069, 12900 }, { 0x0067, 13000 }, { 0x0065, 13100 },
119 { 0x0062, 13200 }, { 0x0060, 13300 }, { 0x005e, 13400 },
120 { 0x005c, 13500 }, { 0x005a, 13600 }, { 0x0058, 13700 },
121 { 0x0056, 13800 }, { 0x0054, 13900 }, { 0x0052, 14000 },
122 { 0x0050, 14100 }, { 0x004e, 14200 }, { 0x004c, 14300 },
123 { 0x004b, 14400 }, { 0x0049, 14500 }, { 0x0047, 14600 },
124 { 0x0046, 14700 }, { 0x0044, 14800 }, { 0x0043, 14900 },
125 { 0x0041, 15000 }, { 0x003f, 15100 }, { 0x003e, 15200 },
126 { 0x003c, 15300 }, { 0x003b, 15400 }, { 0x003a, 15500 },
127 { 0x0037, 15700 }, { 0x0036, 15800 }, { 0x0034, 15900 },
128 { 0x0033, 16000 }, { 0x0032, 16100 }, { 0x0031, 16200 },
129 { 0x0030, 16300 }, { 0x002f, 16400 }, { 0x002e, 16500 },
130 { 0x002d, 16600 }, { 0x002c, 16700 }, { 0x002b, 16800 },
131 { 0x002a, 16900 }, { 0x0029, 17000 }, { 0x0028, 17100 },
132 { 0x0027, 17200 }, { 0x0026, 17300 }, { 0x0025, 17400 },
133 { 0x0024, 17500 }, { 0x0023, 17600 }, { 0x0022, 17800 },
134 { 0x0021, 17900 }, { 0x0020, 18000 }, { 0x001f, 18200 },
135 { 0x001e, 18300 }, { 0x001d, 18500 }, { 0x001c, 18700 },
136 { 0x001b, 18900 }, { 0x001a, 19000 }, { 0x0019, 19200 },
137 { 0x0018, 19300 }, { 0x0017, 19500 }, { 0x0016, 19700 },
138 { 0x0015, 19900 }, { 0x0014, 20000 },
139 };
140
141 static const struct cxd2841er_cnr_data s2_cn_data[] = {
142 { 0x05af, 0 }, { 0x0597, 100 }, { 0x057e, 200 },
143 { 0x0567, 300 }, { 0x0550, 400 }, { 0x0539, 500 },
144 { 0x0522, 600 }, { 0x050c, 700 }, { 0x04f6, 800 },
145 { 0x04e1, 900 }, { 0x04cc, 1000 }, { 0x04b6, 1100 },
146 { 0x04a1, 1200 }, { 0x048c, 1300 }, { 0x0477, 1400 },
147 { 0x0463, 1500 }, { 0x044f, 1600 }, { 0x043c, 1700 },
148 { 0x0428, 1800 }, { 0x0416, 1900 }, { 0x0403, 2000 },
149 { 0x03ef, 2100 }, { 0x03dc, 2200 }, { 0x03c9, 2300 },
150 { 0x03b6, 2400 }, { 0x03a4, 2500 }, { 0x0392, 2600 },
151 { 0x0381, 2700 }, { 0x036f, 2800 }, { 0x035f, 2900 },
152 { 0x034e, 3000 }, { 0x033d, 3100 }, { 0x032d, 3200 },
153 { 0x031d, 3300 }, { 0x030d, 3400 }, { 0x02fd, 3500 },
154 { 0x02ee, 3600 }, { 0x02df, 3700 }, { 0x02d0, 3800 },
155 { 0x02c2, 3900 }, { 0x02b4, 4000 }, { 0x02a6, 4100 },
156 { 0x0299, 4200 }, { 0x028c, 4300 }, { 0x027f, 4400 },
157 { 0x0272, 4500 }, { 0x0265, 4600 }, { 0x0259, 4700 },
158 { 0x024d, 4800 }, { 0x0241, 4900 }, { 0x0236, 5000 },
159 { 0x022b, 5100 }, { 0x0220, 5200 }, { 0x0215, 5300 },
160 { 0x020a, 5400 }, { 0x0200, 5500 }, { 0x01f6, 5600 },
161 { 0x01ec, 5700 }, { 0x01e2, 5800 }, { 0x01d8, 5900 },
162 { 0x01cf, 6000 }, { 0x01c6, 6100 }, { 0x01bc, 6200 },
163 { 0x01b3, 6300 }, { 0x01aa, 6400 }, { 0x01a2, 6500 },
164 { 0x0199, 6600 }, { 0x0191, 6700 }, { 0x0189, 6800 },
165 { 0x0181, 6900 }, { 0x0179, 7000 }, { 0x0171, 7100 },
166 { 0x0169, 7200 }, { 0x0161, 7300 }, { 0x015a, 7400 },
167 { 0x0153, 7500 }, { 0x014b, 7600 }, { 0x0144, 7700 },
168 { 0x013d, 7800 }, { 0x0137, 7900 }, { 0x0130, 8000 },
169 { 0x012a, 8100 }, { 0x0124, 8200 }, { 0x011e, 8300 },
170 { 0x0118, 8400 }, { 0x0112, 8500 }, { 0x010c, 8600 },
171 { 0x0107, 8700 }, { 0x0101, 8800 }, { 0x00fc, 8900 },
172 { 0x00f7, 9000 }, { 0x00f2, 9100 }, { 0x00ec, 9200 },
173 { 0x00e7, 9300 }, { 0x00e2, 9400 }, { 0x00dd, 9500 },
174 { 0x00d8, 9600 }, { 0x00d4, 9700 }, { 0x00cf, 9800 },
175 { 0x00ca, 9900 }, { 0x00c6, 10000 }, { 0x00c2, 10100 },
176 { 0x00be, 10200 }, { 0x00b9, 10300 }, { 0x00b5, 10400 },
177 { 0x00b1, 10500 }, { 0x00ae, 10600 }, { 0x00aa, 10700 },
178 { 0x00a6, 10800 }, { 0x00a3, 10900 }, { 0x009f, 11000 },
179 { 0x009b, 11100 }, { 0x0098, 11200 }, { 0x0095, 11300 },
180 { 0x0091, 11400 }, { 0x008e, 11500 }, { 0x008b, 11600 },
181 { 0x0088, 11700 }, { 0x0085, 11800 }, { 0x0082, 11900 },
182 { 0x007f, 12000 }, { 0x007c, 12100 }, { 0x007a, 12200 },
183 { 0x0077, 12300 }, { 0x0074, 12400 }, { 0x0072, 12500 },
184 { 0x006f, 12600 }, { 0x006d, 12700 }, { 0x006b, 12800 },
185 { 0x0068, 12900 }, { 0x0066, 13000 }, { 0x0064, 13100 },
186 { 0x0061, 13200 }, { 0x005f, 13300 }, { 0x005d, 13400 },
187 { 0x005b, 13500 }, { 0x0059, 13600 }, { 0x0057, 13700 },
188 { 0x0055, 13800 }, { 0x0053, 13900 }, { 0x0051, 14000 },
189 { 0x004f, 14100 }, { 0x004e, 14200 }, { 0x004c, 14300 },
190 { 0x004a, 14400 }, { 0x0049, 14500 }, { 0x0047, 14600 },
191 { 0x0045, 14700 }, { 0x0044, 14800 }, { 0x0042, 14900 },
192 { 0x0041, 15000 }, { 0x003f, 15100 }, { 0x003e, 15200 },
193 { 0x003c, 15300 }, { 0x003b, 15400 }, { 0x003a, 15500 },
194 { 0x0038, 15600 }, { 0x0037, 15700 }, { 0x0036, 15800 },
195 { 0x0034, 15900 }, { 0x0033, 16000 }, { 0x0032, 16100 },
196 { 0x0031, 16200 }, { 0x0030, 16300 }, { 0x002f, 16400 },
197 { 0x002e, 16500 }, { 0x002d, 16600 }, { 0x002c, 16700 },
198 { 0x002b, 16800 }, { 0x002a, 16900 }, { 0x0029, 17000 },
199 { 0x0028, 17100 }, { 0x0027, 17200 }, { 0x0026, 17300 },
200 { 0x0025, 17400 }, { 0x0024, 17500 }, { 0x0023, 17600 },
201 { 0x0022, 17800 }, { 0x0021, 17900 }, { 0x0020, 18000 },
202 { 0x001f, 18200 }, { 0x001e, 18300 }, { 0x001d, 18500 },
203 { 0x001c, 18700 }, { 0x001b, 18900 }, { 0x001a, 19000 },
204 { 0x0019, 19200 }, { 0x0018, 19300 }, { 0x0017, 19500 },
205 { 0x0016, 19700 }, { 0x0015, 19900 }, { 0x0014, 20000 },
206 };
207
208 static int cxd2841er_freeze_regs(struct cxd2841er_priv *priv);
209 static int cxd2841er_unfreeze_regs(struct cxd2841er_priv *priv);
210
211 static void cxd2841er_i2c_debug(struct cxd2841er_priv *priv,
212 u8 addr, u8 reg, u8 write,
213 const u8 *data, u32 len)
214 {
215 dev_dbg(&priv->i2c->dev,
216 "cxd2841er: I2C %s addr %02x reg 0x%02x size %d data %*ph\n",
217 (write == 0 ? "read" : "write"), addr, reg, len, len, data);
218 }
219
220 static int cxd2841er_write_regs(struct cxd2841er_priv *priv,
221 u8 addr, u8 reg, const u8 *data, u32 len)
222 {
223 int ret;
224 u8 buf[MAX_WRITE_REGSIZE + 1];
225 u8 i2c_addr = (addr == I2C_SLVX ?
226 priv->i2c_addr_slvx : priv->i2c_addr_slvt);
227 struct i2c_msg msg[1] = {
228 {
229 .addr = i2c_addr,
230 .flags = 0,
231 .len = len + 1,
232 .buf = buf,
233 }
234 };
235
236 if (len + 1 >= sizeof(buf)) {
237 dev_warn(&priv->i2c->dev, "wr reg=%04x: len=%d is too big!\n",
238 reg, len + 1);
239 return -E2BIG;
240 }
241
242 cxd2841er_i2c_debug(priv, i2c_addr, reg, 1, data, len);
243 buf[0] = reg;
244 memcpy(&buf[1], data, len);
245
246 ret = i2c_transfer(priv->i2c, msg, 1);
247 if (ret >= 0 && ret != 1)
248 ret = -EIO;
249 if (ret < 0) {
250 dev_warn(&priv->i2c->dev,
251 "%s: i2c wr failed=%d addr=%02x reg=%02x len=%d\n",
252 KBUILD_MODNAME, ret, i2c_addr, reg, len);
253 return ret;
254 }
255 return 0;
256 }
257
258 static int cxd2841er_write_reg(struct cxd2841er_priv *priv,
259 u8 addr, u8 reg, u8 val)
260 {
261 u8 tmp = val; /* see gcc.gnu.org/bugzilla/show_bug.cgi?id=81715 */
262
263 return cxd2841er_write_regs(priv, addr, reg, &tmp, 1);
264 }
265
266 static int cxd2841er_read_regs(struct cxd2841er_priv *priv,
267 u8 addr, u8 reg, u8 *val, u32 len)
268 {
269 int ret;
270 u8 i2c_addr = (addr == I2C_SLVX ?
271 priv->i2c_addr_slvx : priv->i2c_addr_slvt);
272 struct i2c_msg msg[2] = {
273 {
274 .addr = i2c_addr,
275 .flags = 0,
276 .len = 1,
277 .buf = &reg,
278 }, {
279 .addr = i2c_addr,
280 .flags = I2C_M_RD,
281 .len = len,
282 .buf = val,
283 }
284 };
285
286 ret = i2c_transfer(priv->i2c, msg, 2);
287 if (ret >= 0 && ret != 2)
288 ret = -EIO;
289 if (ret < 0) {
290 dev_warn(&priv->i2c->dev,
291 "%s: i2c rd failed=%d addr=%02x reg=%02x\n",
292 KBUILD_MODNAME, ret, i2c_addr, reg);
293 return ret;
294 }
295 cxd2841er_i2c_debug(priv, i2c_addr, reg, 0, val, len);
296 return 0;
297 }
298
299 static int cxd2841er_read_reg(struct cxd2841er_priv *priv,
300 u8 addr, u8 reg, u8 *val)
301 {
302 return cxd2841er_read_regs(priv, addr, reg, val, 1);
303 }
304
305 static int cxd2841er_set_reg_bits(struct cxd2841er_priv *priv,
306 u8 addr, u8 reg, u8 data, u8 mask)
307 {
308 int res;
309 u8 rdata;
310
311 if (mask != 0xff) {
312 res = cxd2841er_read_reg(priv, addr, reg, &rdata);
313 if (res)
314 return res;
315 data = ((data & mask) | (rdata & (mask ^ 0xFF)));
316 }
317 return cxd2841er_write_reg(priv, addr, reg, data);
318 }
319
320 static u32 cxd2841er_calc_iffreq_xtal(enum cxd2841er_xtal xtal, u32 ifhz)
321 {
322 u64 tmp;
323
324 tmp = (u64) ifhz * 16777216;
325 do_div(tmp, ((xtal == SONY_XTAL_24000) ? 48000000 : 41000000));
326
327 return (u32) tmp;
328 }
329
330 static u32 cxd2841er_calc_iffreq(u32 ifhz)
331 {
332 return cxd2841er_calc_iffreq_xtal(SONY_XTAL_20500, ifhz);
333 }
334
335 static int cxd2841er_get_if_hz(struct cxd2841er_priv *priv, u32 def_hz)
336 {
337 u32 hz;
338
339 if (priv->frontend.ops.tuner_ops.get_if_frequency
340 && (priv->flags & CXD2841ER_AUTO_IFHZ))
341 priv->frontend.ops.tuner_ops.get_if_frequency(
342 &priv->frontend, &hz);
343 else
344 hz = def_hz;
345
346 return hz;
347 }
348
349 static int cxd2841er_tuner_set(struct dvb_frontend *fe)
350 {
351 struct cxd2841er_priv *priv = fe->demodulator_priv;
352
353 if ((priv->flags & CXD2841ER_USE_GATECTRL) && fe->ops.i2c_gate_ctrl)
354 fe->ops.i2c_gate_ctrl(fe, 1);
355 if (fe->ops.tuner_ops.set_params)
356 fe->ops.tuner_ops.set_params(fe);
357 if ((priv->flags & CXD2841ER_USE_GATECTRL) && fe->ops.i2c_gate_ctrl)
358 fe->ops.i2c_gate_ctrl(fe, 0);
359
360 return 0;
361 }
362
363 static int cxd2841er_dvbs2_set_symbol_rate(struct cxd2841er_priv *priv,
364 u32 symbol_rate)
365 {
366 u32 reg_value = 0;
367 u8 data[3] = {0, 0, 0};
368
369 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
370 /*
371 * regValue = (symbolRateKSps * 2^14 / 1000) + 0.5
372 * = ((symbolRateKSps * 2^14) + 500) / 1000
373 * = ((symbolRateKSps * 16384) + 500) / 1000
374 */
375 reg_value = DIV_ROUND_CLOSEST(symbol_rate * 16384, 1000);
376 if ((reg_value == 0) || (reg_value > 0xFFFFF)) {
377 dev_err(&priv->i2c->dev,
378 "%s(): reg_value is out of range\n", __func__);
379 return -EINVAL;
380 }
381 data[0] = (u8)((reg_value >> 16) & 0x0F);
382 data[1] = (u8)((reg_value >> 8) & 0xFF);
383 data[2] = (u8)(reg_value & 0xFF);
384 /* Set SLV-T Bank : 0xAE */
385 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xae);
386 cxd2841er_write_regs(priv, I2C_SLVT, 0x20, data, 3);
387 return 0;
388 }
389
390 static void cxd2841er_set_ts_clock_mode(struct cxd2841er_priv *priv,
391 u8 system);
392
393 static int cxd2841er_sleep_s_to_active_s(struct cxd2841er_priv *priv,
394 u8 system, u32 symbol_rate)
395 {
396 int ret;
397 u8 data[4] = { 0, 0, 0, 0 };
398
399 if (priv->state != STATE_SLEEP_S) {
400 dev_err(&priv->i2c->dev, "%s(): invalid state %d\n",
401 __func__, (int)priv->state);
402 return -EINVAL;
403 }
404 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
405 cxd2841er_set_ts_clock_mode(priv, SYS_DVBS);
406 /* Set demod mode */
407 if (system == SYS_DVBS) {
408 data[0] = 0x0A;
409 } else if (system == SYS_DVBS2) {
410 data[0] = 0x0B;
411 } else {
412 dev_err(&priv->i2c->dev, "%s(): invalid delsys %d\n",
413 __func__, system);
414 return -EINVAL;
415 }
416 /* Set SLV-X Bank : 0x00 */
417 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00);
418 cxd2841er_write_reg(priv, I2C_SLVX, 0x17, data[0]);
419 /* DVB-S/S2 */
420 data[0] = 0x00;
421 /* Set SLV-T Bank : 0x00 */
422 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
423 /* Enable S/S2 auto detection 1 */
424 cxd2841er_write_reg(priv, I2C_SLVT, 0x2d, data[0]);
425 /* Set SLV-T Bank : 0xAE */
426 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xae);
427 /* Enable S/S2 auto detection 2 */
428 cxd2841er_write_reg(priv, I2C_SLVT, 0x30, data[0]);
429 /* Set SLV-T Bank : 0x00 */
430 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
431 /* Enable demod clock */
432 cxd2841er_write_reg(priv, I2C_SLVT, 0x2c, 0x01);
433 /* Enable ADC clock */
434 cxd2841er_write_reg(priv, I2C_SLVT, 0x31, 0x01);
435 /* Enable ADC 1 */
436 cxd2841er_write_reg(priv, I2C_SLVT, 0x63, 0x16);
437 /* Enable ADC 2 */
438 cxd2841er_write_reg(priv, I2C_SLVT, 0x65, 0x3f);
439 /* Set SLV-X Bank : 0x00 */
440 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00);
441 /* Enable ADC 3 */
442 cxd2841er_write_reg(priv, I2C_SLVX, 0x18, 0x00);
443 /* Set SLV-T Bank : 0xA3 */
444 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xa3);
445 cxd2841er_write_reg(priv, I2C_SLVT, 0xac, 0x00);
446 data[0] = 0x07;
447 data[1] = 0x3B;
448 data[2] = 0x08;
449 data[3] = 0xC5;
450 /* Set SLV-T Bank : 0xAB */
451 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xab);
452 cxd2841er_write_regs(priv, I2C_SLVT, 0x98, data, 4);
453 data[0] = 0x05;
454 data[1] = 0x80;
455 data[2] = 0x0A;
456 data[3] = 0x80;
457 cxd2841er_write_regs(priv, I2C_SLVT, 0xa8, data, 4);
458 data[0] = 0x0C;
459 data[1] = 0xCC;
460 cxd2841er_write_regs(priv, I2C_SLVT, 0xc3, data, 2);
461 /* Set demod parameter */
462 ret = cxd2841er_dvbs2_set_symbol_rate(priv, symbol_rate);
463 if (ret != 0)
464 return ret;
465 /* Set SLV-T Bank : 0x00 */
466 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
467 /* disable Hi-Z setting 1 */
468 cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x10);
469 /* disable Hi-Z setting 2 */
470 cxd2841er_write_reg(priv, I2C_SLVT, 0x81, 0x00);
471 priv->state = STATE_ACTIVE_S;
472 return 0;
473 }
474
475 static int cxd2841er_sleep_tc_to_active_t_band(struct cxd2841er_priv *priv,
476 u32 bandwidth);
477
478 static int cxd2841er_sleep_tc_to_active_t2_band(struct cxd2841er_priv *priv,
479 u32 bandwidth);
480
481 static int cxd2841er_sleep_tc_to_active_c_band(struct cxd2841er_priv *priv,
482 u32 bandwidth);
483
484 static int cxd2841er_sleep_tc_to_active_i(struct cxd2841er_priv *priv,
485 u32 bandwidth);
486
487 static int cxd2841er_active_i_to_sleep_tc(struct cxd2841er_priv *priv);
488
489 static int cxd2841er_sleep_tc_to_shutdown(struct cxd2841er_priv *priv);
490
491 static int cxd2841er_shutdown_to_sleep_tc(struct cxd2841er_priv *priv);
492
493 static int cxd2841er_sleep_tc(struct dvb_frontend *fe);
494
495 static int cxd2841er_retune_active(struct cxd2841er_priv *priv,
496 struct dtv_frontend_properties *p)
497 {
498 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
499 if (priv->state != STATE_ACTIVE_S &&
500 priv->state != STATE_ACTIVE_TC) {
501 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n",
502 __func__, priv->state);
503 return -EINVAL;
504 }
505 /* Set SLV-T Bank : 0x00 */
506 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
507 /* disable TS output */
508 cxd2841er_write_reg(priv, I2C_SLVT, 0xc3, 0x01);
509 if (priv->state == STATE_ACTIVE_S)
510 return cxd2841er_dvbs2_set_symbol_rate(
511 priv, p->symbol_rate / 1000);
512 else if (priv->state == STATE_ACTIVE_TC) {
513 switch (priv->system) {
514 case SYS_DVBT:
515 return cxd2841er_sleep_tc_to_active_t_band(
516 priv, p->bandwidth_hz);
517 case SYS_DVBT2:
518 return cxd2841er_sleep_tc_to_active_t2_band(
519 priv, p->bandwidth_hz);
520 case SYS_DVBC_ANNEX_A:
521 return cxd2841er_sleep_tc_to_active_c_band(
522 priv, p->bandwidth_hz);
523 case SYS_ISDBT:
524 cxd2841er_active_i_to_sleep_tc(priv);
525 cxd2841er_sleep_tc_to_shutdown(priv);
526 cxd2841er_shutdown_to_sleep_tc(priv);
527 return cxd2841er_sleep_tc_to_active_i(
528 priv, p->bandwidth_hz);
529 }
530 }
531 dev_dbg(&priv->i2c->dev, "%s(): invalid delivery system %d\n",
532 __func__, priv->system);
533 return -EINVAL;
534 }
535
536 static int cxd2841er_active_s_to_sleep_s(struct cxd2841er_priv *priv)
537 {
538 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
539 if (priv->state != STATE_ACTIVE_S) {
540 dev_err(&priv->i2c->dev, "%s(): invalid state %d\n",
541 __func__, priv->state);
542 return -EINVAL;
543 }
544 /* Set SLV-T Bank : 0x00 */
545 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
546 /* disable TS output */
547 cxd2841er_write_reg(priv, I2C_SLVT, 0xc3, 0x01);
548 /* enable Hi-Z setting 1 */
549 cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x1f);
550 /* enable Hi-Z setting 2 */
551 cxd2841er_write_reg(priv, I2C_SLVT, 0x81, 0xff);
552 /* Set SLV-X Bank : 0x00 */
553 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00);
554 /* disable ADC 1 */
555 cxd2841er_write_reg(priv, I2C_SLVX, 0x18, 0x01);
556 /* Set SLV-T Bank : 0x00 */
557 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
558 /* disable ADC clock */
559 cxd2841er_write_reg(priv, I2C_SLVT, 0x31, 0x00);
560 /* disable ADC 2 */
561 cxd2841er_write_reg(priv, I2C_SLVT, 0x63, 0x16);
562 /* disable ADC 3 */
563 cxd2841er_write_reg(priv, I2C_SLVT, 0x65, 0x27);
564 /* SADC Bias ON */
565 cxd2841er_write_reg(priv, I2C_SLVT, 0x69, 0x06);
566 /* disable demod clock */
567 cxd2841er_write_reg(priv, I2C_SLVT, 0x2c, 0x00);
568 /* Set SLV-T Bank : 0xAE */
569 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xae);
570 /* disable S/S2 auto detection1 */
571 cxd2841er_write_reg(priv, I2C_SLVT, 0x30, 0x00);
572 /* Set SLV-T Bank : 0x00 */
573 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
574 /* disable S/S2 auto detection2 */
575 cxd2841er_write_reg(priv, I2C_SLVT, 0x2d, 0x00);
576 priv->state = STATE_SLEEP_S;
577 return 0;
578 }
579
580 static int cxd2841er_sleep_s_to_shutdown(struct cxd2841er_priv *priv)
581 {
582 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
583 if (priv->state != STATE_SLEEP_S) {
584 dev_dbg(&priv->i2c->dev, "%s(): invalid demod state %d\n",
585 __func__, priv->state);
586 return -EINVAL;
587 }
588 /* Set SLV-T Bank : 0x00 */
589 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
590 /* Disable DSQOUT */
591 cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x3f);
592 /* Disable DSQIN */
593 cxd2841er_write_reg(priv, I2C_SLVT, 0x9c, 0x00);
594 /* Set SLV-X Bank : 0x00 */
595 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00);
596 /* Disable oscillator */
597 cxd2841er_write_reg(priv, I2C_SLVX, 0x15, 0x01);
598 /* Set demod mode */
599 cxd2841er_write_reg(priv, I2C_SLVX, 0x17, 0x01);
600 priv->state = STATE_SHUTDOWN;
601 return 0;
602 }
603
604 static int cxd2841er_sleep_tc_to_shutdown(struct cxd2841er_priv *priv)
605 {
606 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
607 if (priv->state != STATE_SLEEP_TC) {
608 dev_dbg(&priv->i2c->dev, "%s(): invalid demod state %d\n",
609 __func__, priv->state);
610 return -EINVAL;
611 }
612 /* Set SLV-X Bank : 0x00 */
613 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00);
614 /* Disable oscillator */
615 cxd2841er_write_reg(priv, I2C_SLVX, 0x15, 0x01);
616 /* Set demod mode */
617 cxd2841er_write_reg(priv, I2C_SLVX, 0x17, 0x01);
618 priv->state = STATE_SHUTDOWN;
619 return 0;
620 }
621
622 static int cxd2841er_active_t_to_sleep_tc(struct cxd2841er_priv *priv)
623 {
624 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
625 if (priv->state != STATE_ACTIVE_TC) {
626 dev_err(&priv->i2c->dev, "%s(): invalid state %d\n",
627 __func__, priv->state);
628 return -EINVAL;
629 }
630 /* Set SLV-T Bank : 0x00 */
631 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
632 /* disable TS output */
633 cxd2841er_write_reg(priv, I2C_SLVT, 0xc3, 0x01);
634 /* enable Hi-Z setting 1 */
635 cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x3f);
636 /* enable Hi-Z setting 2 */
637 cxd2841er_write_reg(priv, I2C_SLVT, 0x81, 0xff);
638 /* Set SLV-X Bank : 0x00 */
639 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00);
640 /* disable ADC 1 */
641 cxd2841er_write_reg(priv, I2C_SLVX, 0x18, 0x01);
642 /* Set SLV-T Bank : 0x00 */
643 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
644 /* Disable ADC 2 */
645 cxd2841er_write_reg(priv, I2C_SLVT, 0x43, 0x0a);
646 /* Disable ADC 3 */
647 cxd2841er_write_reg(priv, I2C_SLVT, 0x41, 0x0a);
648 /* Disable ADC clock */
649 cxd2841er_write_reg(priv, I2C_SLVT, 0x30, 0x00);
650 /* Disable RF level monitor */
651 cxd2841er_write_reg(priv, I2C_SLVT, 0x2f, 0x00);
652 /* Disable demod clock */
653 cxd2841er_write_reg(priv, I2C_SLVT, 0x2c, 0x00);
654 priv->state = STATE_SLEEP_TC;
655 return 0;
656 }
657
658 static int cxd2841er_active_t2_to_sleep_tc(struct cxd2841er_priv *priv)
659 {
660 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
661 if (priv->state != STATE_ACTIVE_TC) {
662 dev_err(&priv->i2c->dev, "%s(): invalid state %d\n",
663 __func__, priv->state);
664 return -EINVAL;
665 }
666 /* Set SLV-T Bank : 0x00 */
667 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
668 /* disable TS output */
669 cxd2841er_write_reg(priv, I2C_SLVT, 0xc3, 0x01);
670 /* enable Hi-Z setting 1 */
671 cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x3f);
672 /* enable Hi-Z setting 2 */
673 cxd2841er_write_reg(priv, I2C_SLVT, 0x81, 0xff);
674 /* Cancel DVB-T2 setting */
675 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x13);
676 cxd2841er_write_reg(priv, I2C_SLVT, 0x83, 0x40);
677 cxd2841er_write_reg(priv, I2C_SLVT, 0x86, 0x21);
678 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x9e, 0x09, 0x0f);
679 cxd2841er_write_reg(priv, I2C_SLVT, 0x9f, 0xfb);
680 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x2a);
681 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x38, 0x00, 0x0f);
682 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x2b);
683 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x11, 0x00, 0x3f);
684 /* Set SLV-X Bank : 0x00 */
685 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00);
686 /* disable ADC 1 */
687 cxd2841er_write_reg(priv, I2C_SLVX, 0x18, 0x01);
688 /* Set SLV-T Bank : 0x00 */
689 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
690 /* Disable ADC 2 */
691 cxd2841er_write_reg(priv, I2C_SLVT, 0x43, 0x0a);
692 /* Disable ADC 3 */
693 cxd2841er_write_reg(priv, I2C_SLVT, 0x41, 0x0a);
694 /* Disable ADC clock */
695 cxd2841er_write_reg(priv, I2C_SLVT, 0x30, 0x00);
696 /* Disable RF level monitor */
697 cxd2841er_write_reg(priv, I2C_SLVT, 0x2f, 0x00);
698 /* Disable demod clock */
699 cxd2841er_write_reg(priv, I2C_SLVT, 0x2c, 0x00);
700 priv->state = STATE_SLEEP_TC;
701 return 0;
702 }
703
704 static int cxd2841er_active_c_to_sleep_tc(struct cxd2841er_priv *priv)
705 {
706 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
707 if (priv->state != STATE_ACTIVE_TC) {
708 dev_err(&priv->i2c->dev, "%s(): invalid state %d\n",
709 __func__, priv->state);
710 return -EINVAL;
711 }
712 /* Set SLV-T Bank : 0x00 */
713 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
714 /* disable TS output */
715 cxd2841er_write_reg(priv, I2C_SLVT, 0xc3, 0x01);
716 /* enable Hi-Z setting 1 */
717 cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x3f);
718 /* enable Hi-Z setting 2 */
719 cxd2841er_write_reg(priv, I2C_SLVT, 0x81, 0xff);
720 /* Cancel DVB-C setting */
721 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x11);
722 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xa3, 0x00, 0x1f);
723 /* Set SLV-X Bank : 0x00 */
724 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00);
725 /* disable ADC 1 */
726 cxd2841er_write_reg(priv, I2C_SLVX, 0x18, 0x01);
727 /* Set SLV-T Bank : 0x00 */
728 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
729 /* Disable ADC 2 */
730 cxd2841er_write_reg(priv, I2C_SLVT, 0x43, 0x0a);
731 /* Disable ADC 3 */
732 cxd2841er_write_reg(priv, I2C_SLVT, 0x41, 0x0a);
733 /* Disable ADC clock */
734 cxd2841er_write_reg(priv, I2C_SLVT, 0x30, 0x00);
735 /* Disable RF level monitor */
736 cxd2841er_write_reg(priv, I2C_SLVT, 0x2f, 0x00);
737 /* Disable demod clock */
738 cxd2841er_write_reg(priv, I2C_SLVT, 0x2c, 0x00);
739 priv->state = STATE_SLEEP_TC;
740 return 0;
741 }
742
743 static int cxd2841er_active_i_to_sleep_tc(struct cxd2841er_priv *priv)
744 {
745 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
746 if (priv->state != STATE_ACTIVE_TC) {
747 dev_err(&priv->i2c->dev, "%s(): invalid state %d\n",
748 __func__, priv->state);
749 return -EINVAL;
750 }
751 /* Set SLV-T Bank : 0x00 */
752 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
753 /* disable TS output */
754 cxd2841er_write_reg(priv, I2C_SLVT, 0xc3, 0x01);
755 /* enable Hi-Z setting 1 */
756 cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x3f);
757 /* enable Hi-Z setting 2 */
758 cxd2841er_write_reg(priv, I2C_SLVT, 0x81, 0xff);
759
760 /* TODO: Cancel demod parameter */
761
762 /* Set SLV-X Bank : 0x00 */
763 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00);
764 /* disable ADC 1 */
765 cxd2841er_write_reg(priv, I2C_SLVX, 0x18, 0x01);
766 /* Set SLV-T Bank : 0x00 */
767 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
768 /* Disable ADC 2 */
769 cxd2841er_write_reg(priv, I2C_SLVT, 0x43, 0x0a);
770 /* Disable ADC 3 */
771 cxd2841er_write_reg(priv, I2C_SLVT, 0x41, 0x0a);
772 /* Disable ADC clock */
773 cxd2841er_write_reg(priv, I2C_SLVT, 0x30, 0x00);
774 /* Disable RF level monitor */
775 cxd2841er_write_reg(priv, I2C_SLVT, 0x2f, 0x00);
776 /* Disable demod clock */
777 cxd2841er_write_reg(priv, I2C_SLVT, 0x2c, 0x00);
778 priv->state = STATE_SLEEP_TC;
779 return 0;
780 }
781
782 static int cxd2841er_shutdown_to_sleep_s(struct cxd2841er_priv *priv)
783 {
784 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
785 if (priv->state != STATE_SHUTDOWN) {
786 dev_dbg(&priv->i2c->dev, "%s(): invalid demod state %d\n",
787 __func__, priv->state);
788 return -EINVAL;
789 }
790 /* Set SLV-X Bank : 0x00 */
791 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00);
792 /* Clear all demodulator registers */
793 cxd2841er_write_reg(priv, I2C_SLVX, 0x02, 0x00);
794 usleep_range(3000, 5000);
795 /* Set SLV-X Bank : 0x00 */
796 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00);
797 /* Set demod SW reset */
798 cxd2841er_write_reg(priv, I2C_SLVX, 0x10, 0x01);
799
800 switch (priv->xtal) {
801 case SONY_XTAL_20500:
802 cxd2841er_write_reg(priv, I2C_SLVX, 0x14, 0x00);
803 break;
804 case SONY_XTAL_24000:
805 /* Select demod frequency */
806 cxd2841er_write_reg(priv, I2C_SLVX, 0x12, 0x00);
807 cxd2841er_write_reg(priv, I2C_SLVX, 0x14, 0x03);
808 break;
809 case SONY_XTAL_41000:
810 cxd2841er_write_reg(priv, I2C_SLVX, 0x14, 0x01);
811 break;
812 default:
813 dev_dbg(&priv->i2c->dev, "%s(): invalid demod xtal %d\n",
814 __func__, priv->xtal);
815 return -EINVAL;
816 }
817
818 /* Set demod mode */
819 cxd2841er_write_reg(priv, I2C_SLVX, 0x17, 0x0a);
820 /* Clear demod SW reset */
821 cxd2841er_write_reg(priv, I2C_SLVX, 0x10, 0x00);
822 usleep_range(1000, 2000);
823 /* Set SLV-T Bank : 0x00 */
824 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
825 /* enable DSQOUT */
826 cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x1F);
827 /* enable DSQIN */
828 cxd2841er_write_reg(priv, I2C_SLVT, 0x9C, 0x40);
829 /* TADC Bias On */
830 cxd2841er_write_reg(priv, I2C_SLVT, 0x43, 0x0a);
831 cxd2841er_write_reg(priv, I2C_SLVT, 0x41, 0x0a);
832 /* SADC Bias On */
833 cxd2841er_write_reg(priv, I2C_SLVT, 0x63, 0x16);
834 cxd2841er_write_reg(priv, I2C_SLVT, 0x65, 0x27);
835 cxd2841er_write_reg(priv, I2C_SLVT, 0x69, 0x06);
836 priv->state = STATE_SLEEP_S;
837 return 0;
838 }
839
840 static int cxd2841er_shutdown_to_sleep_tc(struct cxd2841er_priv *priv)
841 {
842 u8 data = 0;
843
844 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
845 if (priv->state != STATE_SHUTDOWN) {
846 dev_dbg(&priv->i2c->dev, "%s(): invalid demod state %d\n",
847 __func__, priv->state);
848 return -EINVAL;
849 }
850 /* Set SLV-X Bank : 0x00 */
851 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00);
852 /* Clear all demodulator registers */
853 cxd2841er_write_reg(priv, I2C_SLVX, 0x02, 0x00);
854 usleep_range(3000, 5000);
855 /* Set SLV-X Bank : 0x00 */
856 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00);
857 /* Set demod SW reset */
858 cxd2841er_write_reg(priv, I2C_SLVX, 0x10, 0x01);
859 /* Select ADC clock mode */
860 cxd2841er_write_reg(priv, I2C_SLVX, 0x13, 0x00);
861
862 switch (priv->xtal) {
863 case SONY_XTAL_20500:
864 data = 0x0;
865 break;
866 case SONY_XTAL_24000:
867 /* Select demod frequency */
868 cxd2841er_write_reg(priv, I2C_SLVX, 0x12, 0x00);
869 data = 0x3;
870 break;
871 case SONY_XTAL_41000:
872 cxd2841er_write_reg(priv, I2C_SLVX, 0x12, 0x00);
873 data = 0x1;
874 break;
875 }
876 cxd2841er_write_reg(priv, I2C_SLVX, 0x14, data);
877 /* Clear demod SW reset */
878 cxd2841er_write_reg(priv, I2C_SLVX, 0x10, 0x00);
879 usleep_range(1000, 2000);
880 /* Set SLV-T Bank : 0x00 */
881 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
882 /* TADC Bias On */
883 cxd2841er_write_reg(priv, I2C_SLVT, 0x43, 0x0a);
884 cxd2841er_write_reg(priv, I2C_SLVT, 0x41, 0x0a);
885 /* SADC Bias On */
886 cxd2841er_write_reg(priv, I2C_SLVT, 0x63, 0x16);
887 cxd2841er_write_reg(priv, I2C_SLVT, 0x65, 0x27);
888 cxd2841er_write_reg(priv, I2C_SLVT, 0x69, 0x06);
889 priv->state = STATE_SLEEP_TC;
890 return 0;
891 }
892
893 static int cxd2841er_tune_done(struct cxd2841er_priv *priv)
894 {
895 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
896 /* Set SLV-T Bank : 0x00 */
897 cxd2841er_write_reg(priv, I2C_SLVT, 0, 0);
898 /* SW Reset */
899 cxd2841er_write_reg(priv, I2C_SLVT, 0xfe, 0x01);
900 /* Enable TS output */
901 cxd2841er_write_reg(priv, I2C_SLVT, 0xc3, 0x00);
902 return 0;
903 }
904
905 /* Set TS parallel mode */
906 static void cxd2841er_set_ts_clock_mode(struct cxd2841er_priv *priv,
907 u8 system)
908 {
909 u8 serial_ts, ts_rate_ctrl_off, ts_in_off;
910
911 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
912 /* Set SLV-T Bank : 0x00 */
913 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
914 cxd2841er_read_reg(priv, I2C_SLVT, 0xc4, &serial_ts);
915 cxd2841er_read_reg(priv, I2C_SLVT, 0xd3, &ts_rate_ctrl_off);
916 cxd2841er_read_reg(priv, I2C_SLVT, 0xde, &ts_in_off);
917 dev_dbg(&priv->i2c->dev, "%s(): ser_ts=0x%02x rate_ctrl_off=0x%02x in_off=0x%02x\n",
918 __func__, serial_ts, ts_rate_ctrl_off, ts_in_off);
919
920 /*
921 * slave Bank Addr Bit default Name
922 * <SLV-T> 00h C4h [1:0] 2'b?? OSERCKMODE
923 */
924 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xc4,
925 ((priv->flags & CXD2841ER_TS_SERIAL) ? 0x01 : 0x00), 0x03);
926 /*
927 * slave Bank Addr Bit default Name
928 * <SLV-T> 00h D1h [1:0] 2'b?? OSERDUTYMODE
929 */
930 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xd1,
931 ((priv->flags & CXD2841ER_TS_SERIAL) ? 0x01 : 0x00), 0x03);
932 /*
933 * slave Bank Addr Bit default Name
934 * <SLV-T> 00h D9h [7:0] 8'h08 OTSCKPERIOD
935 */
936 cxd2841er_write_reg(priv, I2C_SLVT, 0xd9, 0x08);
937 /*
938 * Disable TS IF Clock
939 * slave Bank Addr Bit default Name
940 * <SLV-T> 00h 32h [0] 1'b1 OREG_CK_TSIF_EN
941 */
942 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x32, 0x00, 0x01);
943 /*
944 * slave Bank Addr Bit default Name
945 * <SLV-T> 00h 33h [1:0] 2'b01 OREG_CKSEL_TSIF
946 */
947 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x33,
948 ((priv->flags & CXD2841ER_TS_SERIAL) ? 0x01 : 0x00), 0x03);
949 /*
950 * Enable TS IF Clock
951 * slave Bank Addr Bit default Name
952 * <SLV-T> 00h 32h [0] 1'b1 OREG_CK_TSIF_EN
953 */
954 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x32, 0x01, 0x01);
955
956 if (system == SYS_DVBT) {
957 /* Enable parity period for DVB-T */
958 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10);
959 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x66, 0x01, 0x01);
960 } else if (system == SYS_DVBC_ANNEX_A) {
961 /* Enable parity period for DVB-C */
962 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x40);
963 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x66, 0x01, 0x01);
964 }
965 }
966
967 static u8 cxd2841er_chip_id(struct cxd2841er_priv *priv)
968 {
969 u8 chip_id = 0;
970
971 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
972 if (cxd2841er_write_reg(priv, I2C_SLVT, 0, 0) == 0)
973 cxd2841er_read_reg(priv, I2C_SLVT, 0xfd, &chip_id);
974 else if (cxd2841er_write_reg(priv, I2C_SLVX, 0, 0) == 0)
975 cxd2841er_read_reg(priv, I2C_SLVX, 0xfd, &chip_id);
976
977 return chip_id;
978 }
979
980 static int cxd2841er_read_status_s(struct dvb_frontend *fe,
981 enum fe_status *status)
982 {
983 u8 reg = 0;
984 struct cxd2841er_priv *priv = fe->demodulator_priv;
985
986 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
987 *status = 0;
988 if (priv->state != STATE_ACTIVE_S) {
989 dev_err(&priv->i2c->dev, "%s(): invalid state %d\n",
990 __func__, priv->state);
991 return -EINVAL;
992 }
993 /* Set SLV-T Bank : 0xA0 */
994 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xa0);
995 /*
996 * slave Bank Addr Bit Signal name
997 * <SLV-T> A0h 11h [2] ITSLOCK
998 */
999 cxd2841er_read_reg(priv, I2C_SLVT, 0x11, &reg);
1000 if (reg & 0x04) {
1001 *status = FE_HAS_SIGNAL
1002 | FE_HAS_CARRIER
1003 | FE_HAS_VITERBI
1004 | FE_HAS_SYNC
1005 | FE_HAS_LOCK;
1006 }
1007 dev_dbg(&priv->i2c->dev, "%s(): result 0x%x\n", __func__, *status);
1008 return 0;
1009 }
1010
1011 static int cxd2841er_read_status_t_t2(struct cxd2841er_priv *priv,
1012 u8 *sync, u8 *tslock, u8 *unlock)
1013 {
1014 u8 data = 0;
1015
1016 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
1017 if (priv->state != STATE_ACTIVE_TC)
1018 return -EINVAL;
1019 if (priv->system == SYS_DVBT) {
1020 /* Set SLV-T Bank : 0x10 */
1021 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10);
1022 } else {
1023 /* Set SLV-T Bank : 0x20 */
1024 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x20);
1025 }
1026 cxd2841er_read_reg(priv, I2C_SLVT, 0x10, &data);
1027 if ((data & 0x07) == 0x07) {
1028 dev_dbg(&priv->i2c->dev,
1029 "%s(): invalid hardware state detected\n", __func__);
1030 *sync = 0;
1031 *tslock = 0;
1032 *unlock = 0;
1033 } else {
1034 *sync = ((data & 0x07) == 0x6 ? 1 : 0);
1035 *tslock = ((data & 0x20) ? 1 : 0);
1036 *unlock = ((data & 0x10) ? 1 : 0);
1037 }
1038 return 0;
1039 }
1040
1041 static int cxd2841er_read_status_c(struct cxd2841er_priv *priv, u8 *tslock)
1042 {
1043 u8 data;
1044
1045 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
1046 if (priv->state != STATE_ACTIVE_TC)
1047 return -EINVAL;
1048 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x40);
1049 cxd2841er_read_reg(priv, I2C_SLVT, 0x88, &data);
1050 if ((data & 0x01) == 0) {
1051 *tslock = 0;
1052 } else {
1053 cxd2841er_read_reg(priv, I2C_SLVT, 0x10, &data);
1054 *tslock = ((data & 0x20) ? 1 : 0);
1055 }
1056 return 0;
1057 }
1058
1059 static int cxd2841er_read_status_i(struct cxd2841er_priv *priv,
1060 u8 *sync, u8 *tslock, u8 *unlock)
1061 {
1062 u8 data = 0;
1063
1064 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
1065 if (priv->state != STATE_ACTIVE_TC)
1066 return -EINVAL;
1067 /* Set SLV-T Bank : 0x60 */
1068 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x60);
1069 cxd2841er_read_reg(priv, I2C_SLVT, 0x10, &data);
1070 dev_dbg(&priv->i2c->dev,
1071 "%s(): lock=0x%x\n", __func__, data);
1072 *sync = ((data & 0x02) ? 1 : 0);
1073 *tslock = ((data & 0x01) ? 1 : 0);
1074 *unlock = ((data & 0x10) ? 1 : 0);
1075 return 0;
1076 }
1077
1078 static int cxd2841er_read_status_tc(struct dvb_frontend *fe,
1079 enum fe_status *status)
1080 {
1081 int ret = 0;
1082 u8 sync = 0;
1083 u8 tslock = 0;
1084 u8 unlock = 0;
1085 struct cxd2841er_priv *priv = fe->demodulator_priv;
1086
1087 *status = 0;
1088 if (priv->state == STATE_ACTIVE_TC) {
1089 if (priv->system == SYS_DVBT || priv->system == SYS_DVBT2) {
1090 ret = cxd2841er_read_status_t_t2(
1091 priv, &sync, &tslock, &unlock);
1092 if (ret)
1093 goto done;
1094 if (unlock)
1095 goto done;
1096 if (sync)
1097 *status = FE_HAS_SIGNAL |
1098 FE_HAS_CARRIER |
1099 FE_HAS_VITERBI |
1100 FE_HAS_SYNC;
1101 if (tslock)
1102 *status |= FE_HAS_LOCK;
1103 } else if (priv->system == SYS_ISDBT) {
1104 ret = cxd2841er_read_status_i(
1105 priv, &sync, &tslock, &unlock);
1106 if (ret)
1107 goto done;
1108 if (unlock)
1109 goto done;
1110 if (sync)
1111 *status = FE_HAS_SIGNAL |
1112 FE_HAS_CARRIER |
1113 FE_HAS_VITERBI |
1114 FE_HAS_SYNC;
1115 if (tslock)
1116 *status |= FE_HAS_LOCK;
1117 } else if (priv->system == SYS_DVBC_ANNEX_A) {
1118 ret = cxd2841er_read_status_c(priv, &tslock);
1119 if (ret)
1120 goto done;
1121 if (tslock)
1122 *status = FE_HAS_SIGNAL |
1123 FE_HAS_CARRIER |
1124 FE_HAS_VITERBI |
1125 FE_HAS_SYNC |
1126 FE_HAS_LOCK;
1127 }
1128 }
1129 done:
1130 dev_dbg(&priv->i2c->dev, "%s(): status 0x%x\n", __func__, *status);
1131 return ret;
1132 }
1133
1134 static int cxd2841er_get_carrier_offset_s_s2(struct cxd2841er_priv *priv,
1135 int *offset)
1136 {
1137 u8 data[3];
1138 u8 is_hs_mode;
1139 s32 cfrl_ctrlval;
1140 s32 temp_div, temp_q, temp_r;
1141
1142 if (priv->state != STATE_ACTIVE_S) {
1143 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n",
1144 __func__, priv->state);
1145 return -EINVAL;
1146 }
1147 /*
1148 * Get High Sampling Rate mode
1149 * slave Bank Addr Bit Signal name
1150 * <SLV-T> A0h 10h [0] ITRL_LOCK
1151 */
1152 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xa0);
1153 cxd2841er_read_reg(priv, I2C_SLVT, 0x10, &data[0]);
1154 if (data[0] & 0x01) {
1155 /*
1156 * slave Bank Addr Bit Signal name
1157 * <SLV-T> A0h 50h [4] IHSMODE
1158 */
1159 cxd2841er_read_reg(priv, I2C_SLVT, 0x50, &data[0]);
1160 is_hs_mode = (data[0] & 0x10 ? 1 : 0);
1161 } else {
1162 dev_dbg(&priv->i2c->dev,
1163 "%s(): unable to detect sampling rate mode\n",
1164 __func__);
1165 return -EINVAL;
1166 }
1167 /*
1168 * slave Bank Addr Bit Signal name
1169 * <SLV-T> A0h 45h [4:0] ICFRL_CTRLVAL[20:16]
1170 * <SLV-T> A0h 46h [7:0] ICFRL_CTRLVAL[15:8]
1171 * <SLV-T> A0h 47h [7:0] ICFRL_CTRLVAL[7:0]
1172 */
1173 cxd2841er_read_regs(priv, I2C_SLVT, 0x45, data, 3);
1174 cfrl_ctrlval = sign_extend32((((u32)data[0] & 0x1F) << 16) |
1175 (((u32)data[1] & 0xFF) << 8) |
1176 ((u32)data[2] & 0xFF), 20);
1177 temp_div = (is_hs_mode ? 1048576 : 1572864);
1178 if (cfrl_ctrlval > 0) {
1179 temp_q = div_s64_rem(97375LL * cfrl_ctrlval,
1180 temp_div, &temp_r);
1181 } else {
1182 temp_q = div_s64_rem(-97375LL * cfrl_ctrlval,
1183 temp_div, &temp_r);
1184 }
1185 if (temp_r >= temp_div / 2)
1186 temp_q++;
1187 if (cfrl_ctrlval > 0)
1188 temp_q *= -1;
1189 *offset = temp_q;
1190 return 0;
1191 }
1192
1193 static int cxd2841er_get_carrier_offset_i(struct cxd2841er_priv *priv,
1194 u32 bandwidth, int *offset)
1195 {
1196 u8 data[4];
1197
1198 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
1199 if (priv->state != STATE_ACTIVE_TC) {
1200 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n",
1201 __func__, priv->state);
1202 return -EINVAL;
1203 }
1204 if (priv->system != SYS_ISDBT) {
1205 dev_dbg(&priv->i2c->dev, "%s(): invalid delivery system %d\n",
1206 __func__, priv->system);
1207 return -EINVAL;
1208 }
1209 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x60);
1210 cxd2841er_read_regs(priv, I2C_SLVT, 0x4c, data, sizeof(data));
1211 *offset = -1 * sign_extend32(
1212 ((u32)(data[0] & 0x1F) << 24) | ((u32)data[1] << 16) |
1213 ((u32)data[2] << 8) | (u32)data[3], 29);
1214
1215 switch (bandwidth) {
1216 case 6000000:
1217 *offset = -1 * ((*offset) * 8/264);
1218 break;
1219 case 7000000:
1220 *offset = -1 * ((*offset) * 8/231);
1221 break;
1222 case 8000000:
1223 *offset = -1 * ((*offset) * 8/198);
1224 break;
1225 default:
1226 dev_dbg(&priv->i2c->dev, "%s(): invalid bandwidth %d\n",
1227 __func__, bandwidth);
1228 return -EINVAL;
1229 }
1230
1231 dev_dbg(&priv->i2c->dev, "%s(): bandwidth %d offset %d\n",
1232 __func__, bandwidth, *offset);
1233
1234 return 0;
1235 }
1236
1237 static int cxd2841er_get_carrier_offset_t(struct cxd2841er_priv *priv,
1238 u32 bandwidth, int *offset)
1239 {
1240 u8 data[4];
1241
1242 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
1243 if (priv->state != STATE_ACTIVE_TC) {
1244 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n",
1245 __func__, priv->state);
1246 return -EINVAL;
1247 }
1248 if (priv->system != SYS_DVBT) {
1249 dev_dbg(&priv->i2c->dev, "%s(): invalid delivery system %d\n",
1250 __func__, priv->system);
1251 return -EINVAL;
1252 }
1253 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10);
1254 cxd2841er_read_regs(priv, I2C_SLVT, 0x4c, data, sizeof(data));
1255 *offset = -1 * sign_extend32(
1256 ((u32)(data[0] & 0x1F) << 24) | ((u32)data[1] << 16) |
1257 ((u32)data[2] << 8) | (u32)data[3], 29);
1258 *offset *= (bandwidth / 1000000);
1259 *offset /= 235;
1260 return 0;
1261 }
1262
1263 static int cxd2841er_get_carrier_offset_t2(struct cxd2841er_priv *priv,
1264 u32 bandwidth, int *offset)
1265 {
1266 u8 data[4];
1267
1268 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
1269 if (priv->state != STATE_ACTIVE_TC) {
1270 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n",
1271 __func__, priv->state);
1272 return -EINVAL;
1273 }
1274 if (priv->system != SYS_DVBT2) {
1275 dev_dbg(&priv->i2c->dev, "%s(): invalid delivery system %d\n",
1276 __func__, priv->system);
1277 return -EINVAL;
1278 }
1279 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x20);
1280 cxd2841er_read_regs(priv, I2C_SLVT, 0x4c, data, sizeof(data));
1281 *offset = -1 * sign_extend32(
1282 ((u32)(data[0] & 0x0F) << 24) | ((u32)data[1] << 16) |
1283 ((u32)data[2] << 8) | (u32)data[3], 27);
1284 switch (bandwidth) {
1285 case 1712000:
1286 *offset /= 582;
1287 break;
1288 case 5000000:
1289 case 6000000:
1290 case 7000000:
1291 case 8000000:
1292 *offset *= (bandwidth / 1000000);
1293 *offset /= 940;
1294 break;
1295 default:
1296 dev_dbg(&priv->i2c->dev, "%s(): invalid bandwidth %d\n",
1297 __func__, bandwidth);
1298 return -EINVAL;
1299 }
1300 return 0;
1301 }
1302
1303 static int cxd2841er_get_carrier_offset_c(struct cxd2841er_priv *priv,
1304 int *offset)
1305 {
1306 u8 data[2];
1307
1308 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
1309 if (priv->state != STATE_ACTIVE_TC) {
1310 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n",
1311 __func__, priv->state);
1312 return -EINVAL;
1313 }
1314 if (priv->system != SYS_DVBC_ANNEX_A) {
1315 dev_dbg(&priv->i2c->dev, "%s(): invalid delivery system %d\n",
1316 __func__, priv->system);
1317 return -EINVAL;
1318 }
1319 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x40);
1320 cxd2841er_read_regs(priv, I2C_SLVT, 0x15, data, sizeof(data));
1321 *offset = div_s64(41000LL * sign_extend32((((u32)data[0] & 0x3f) << 8)
1322 | (u32)data[1], 13), 16384);
1323 return 0;
1324 }
1325
1326 static int cxd2841er_read_packet_errors_c(
1327 struct cxd2841er_priv *priv, u32 *penum)
1328 {
1329 u8 data[3];
1330
1331 *penum = 0;
1332 if (priv->state != STATE_ACTIVE_TC) {
1333 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n",
1334 __func__, priv->state);
1335 return -EINVAL;
1336 }
1337 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x40);
1338 cxd2841er_read_regs(priv, I2C_SLVT, 0xea, data, sizeof(data));
1339 if (data[2] & 0x01)
1340 *penum = ((u32)data[0] << 8) | (u32)data[1];
1341 return 0;
1342 }
1343
1344 static int cxd2841er_read_packet_errors_t(
1345 struct cxd2841er_priv *priv, u32 *penum)
1346 {
1347 u8 data[3];
1348
1349 *penum = 0;
1350 if (priv->state != STATE_ACTIVE_TC) {
1351 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n",
1352 __func__, priv->state);
1353 return -EINVAL;
1354 }
1355 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10);
1356 cxd2841er_read_regs(priv, I2C_SLVT, 0xea, data, sizeof(data));
1357 if (data[2] & 0x01)
1358 *penum = ((u32)data[0] << 8) | (u32)data[1];
1359 return 0;
1360 }
1361
1362 static int cxd2841er_read_packet_errors_t2(
1363 struct cxd2841er_priv *priv, u32 *penum)
1364 {
1365 u8 data[3];
1366
1367 *penum = 0;
1368 if (priv->state != STATE_ACTIVE_TC) {
1369 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n",
1370 __func__, priv->state);
1371 return -EINVAL;
1372 }
1373 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x24);
1374 cxd2841er_read_regs(priv, I2C_SLVT, 0xfd, data, sizeof(data));
1375 if (data[0] & 0x01)
1376 *penum = ((u32)data[1] << 8) | (u32)data[2];
1377 return 0;
1378 }
1379
1380 static int cxd2841er_read_packet_errors_i(
1381 struct cxd2841er_priv *priv, u32 *penum)
1382 {
1383 u8 data[2];
1384
1385 *penum = 0;
1386 if (priv->state != STATE_ACTIVE_TC) {
1387 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n",
1388 __func__, priv->state);
1389 return -EINVAL;
1390 }
1391 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x60);
1392 cxd2841er_read_regs(priv, I2C_SLVT, 0xA1, data, 1);
1393
1394 if (!(data[0] & 0x01))
1395 return 0;
1396
1397 /* Layer A */
1398 cxd2841er_read_regs(priv, I2C_SLVT, 0xA2, data, sizeof(data));
1399 *penum = ((u32)data[0] << 8) | (u32)data[1];
1400
1401 /* Layer B */
1402 cxd2841er_read_regs(priv, I2C_SLVT, 0xA4, data, sizeof(data));
1403 *penum += ((u32)data[0] << 8) | (u32)data[1];
1404
1405 /* Layer C */
1406 cxd2841er_read_regs(priv, I2C_SLVT, 0xA6, data, sizeof(data));
1407 *penum += ((u32)data[0] << 8) | (u32)data[1];
1408
1409 return 0;
1410 }
1411
1412 static int cxd2841er_read_ber_c(struct cxd2841er_priv *priv,
1413 u32 *bit_error, u32 *bit_count)
1414 {
1415 u8 data[3];
1416 u32 bit_err, period_exp;
1417
1418 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
1419 if (priv->state != STATE_ACTIVE_TC) {
1420 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n",
1421 __func__, priv->state);
1422 return -EINVAL;
1423 }
1424 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x40);
1425 cxd2841er_read_regs(priv, I2C_SLVT, 0x62, data, sizeof(data));
1426 if (!(data[0] & 0x80)) {
1427 dev_dbg(&priv->i2c->dev,
1428 "%s(): no valid BER data\n", __func__);
1429 return -EINVAL;
1430 }
1431 bit_err = ((u32)(data[0] & 0x3f) << 16) |
1432 ((u32)data[1] << 8) |
1433 (u32)data[2];
1434 cxd2841er_read_reg(priv, I2C_SLVT, 0x60, data);
1435 period_exp = data[0] & 0x1f;
1436
1437 if ((period_exp <= 11) && (bit_err > (1 << period_exp) * 204 * 8)) {
1438 dev_dbg(&priv->i2c->dev,
1439 "%s(): period_exp(%u) or bit_err(%u) not in range. no valid BER data\n",
1440 __func__, period_exp, bit_err);
1441 return -EINVAL;
1442 }
1443
1444 dev_dbg(&priv->i2c->dev,
1445 "%s(): period_exp(%u) or bit_err(%u) count=%d\n",
1446 __func__, period_exp, bit_err,
1447 ((1 << period_exp) * 204 * 8));
1448
1449 *bit_error = bit_err;
1450 *bit_count = ((1 << period_exp) * 204 * 8);
1451
1452 return 0;
1453 }
1454
1455 static int cxd2841er_read_ber_i(struct cxd2841er_priv *priv,
1456 u32 *bit_error, u32 *bit_count)
1457 {
1458 u8 data[3];
1459 u8 pktnum[2];
1460
1461 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
1462 if (priv->state != STATE_ACTIVE_TC) {
1463 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n",
1464 __func__, priv->state);
1465 return -EINVAL;
1466 }
1467
1468 cxd2841er_freeze_regs(priv);
1469 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x60);
1470 cxd2841er_read_regs(priv, I2C_SLVT, 0x5B, pktnum, sizeof(pktnum));
1471 cxd2841er_read_regs(priv, I2C_SLVT, 0x16, data, sizeof(data));
1472 cxd2841er_unfreeze_regs(priv);
1473
1474 if (!pktnum[0] && !pktnum[1]) {
1475 dev_dbg(&priv->i2c->dev,
1476 "%s(): no valid BER data\n", __func__);
1477 return -EINVAL;
1478 }
1479
1480 *bit_error = ((u32)(data[0] & 0x7F) << 16) |
1481 ((u32)data[1] << 8) | data[2];
1482 *bit_count = ((((u32)pktnum[0] << 8) | pktnum[1]) * 204 * 8);
1483 dev_dbg(&priv->i2c->dev, "%s(): bit_error=%u bit_count=%u\n",
1484 __func__, *bit_error, *bit_count);
1485
1486 return 0;
1487 }
1488
1489 static int cxd2841er_mon_read_ber_s(struct cxd2841er_priv *priv,
1490 u32 *bit_error, u32 *bit_count)
1491 {
1492 u8 data[11];
1493
1494 /* Set SLV-T Bank : 0xA0 */
1495 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xa0);
1496 /*
1497 * slave Bank Addr Bit Signal name
1498 * <SLV-T> A0h 35h [0] IFVBER_VALID
1499 * <SLV-T> A0h 36h [5:0] IFVBER_BITERR[21:16]
1500 * <SLV-T> A0h 37h [7:0] IFVBER_BITERR[15:8]
1501 * <SLV-T> A0h 38h [7:0] IFVBER_BITERR[7:0]
1502 * <SLV-T> A0h 3Dh [5:0] IFVBER_BITNUM[21:16]
1503 * <SLV-T> A0h 3Eh [7:0] IFVBER_BITNUM[15:8]
1504 * <SLV-T> A0h 3Fh [7:0] IFVBER_BITNUM[7:0]
1505 */
1506 cxd2841er_read_regs(priv, I2C_SLVT, 0x35, data, 11);
1507 if (data[0] & 0x01) {
1508 *bit_error = ((u32)(data[1] & 0x3F) << 16) |
1509 ((u32)(data[2] & 0xFF) << 8) |
1510 (u32)(data[3] & 0xFF);
1511 *bit_count = ((u32)(data[8] & 0x3F) << 16) |
1512 ((u32)(data[9] & 0xFF) << 8) |
1513 (u32)(data[10] & 0xFF);
1514 if ((*bit_count == 0) || (*bit_error > *bit_count)) {
1515 dev_dbg(&priv->i2c->dev,
1516 "%s(): invalid bit_error %d, bit_count %d\n",
1517 __func__, *bit_error, *bit_count);
1518 return -EINVAL;
1519 }
1520 return 0;
1521 }
1522 dev_dbg(&priv->i2c->dev, "%s(): no data available\n", __func__);
1523 return -EINVAL;
1524 }
1525
1526
1527 static int cxd2841er_mon_read_ber_s2(struct cxd2841er_priv *priv,
1528 u32 *bit_error, u32 *bit_count)
1529 {
1530 u8 data[5];
1531 u32 period;
1532
1533 /* Set SLV-T Bank : 0xB2 */
1534 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xb2);
1535 /*
1536 * slave Bank Addr Bit Signal name
1537 * <SLV-T> B2h 30h [0] IFLBER_VALID
1538 * <SLV-T> B2h 31h [3:0] IFLBER_BITERR[27:24]
1539 * <SLV-T> B2h 32h [7:0] IFLBER_BITERR[23:16]
1540 * <SLV-T> B2h 33h [7:0] IFLBER_BITERR[15:8]
1541 * <SLV-T> B2h 34h [7:0] IFLBER_BITERR[7:0]
1542 */
1543 cxd2841er_read_regs(priv, I2C_SLVT, 0x30, data, 5);
1544 if (data[0] & 0x01) {
1545 /* Bit error count */
1546 *bit_error = ((u32)(data[1] & 0x0F) << 24) |
1547 ((u32)(data[2] & 0xFF) << 16) |
1548 ((u32)(data[3] & 0xFF) << 8) |
1549 (u32)(data[4] & 0xFF);
1550
1551 /* Set SLV-T Bank : 0xA0 */
1552 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xa0);
1553 cxd2841er_read_reg(priv, I2C_SLVT, 0x7a, data);
1554 /* Measurement period */
1555 period = (u32)(1 << (data[0] & 0x0F));
1556 if (period == 0) {
1557 dev_dbg(&priv->i2c->dev,
1558 "%s(): period is 0\n", __func__);
1559 return -EINVAL;
1560 }
1561 if (*bit_error > (period * 64800)) {
1562 dev_dbg(&priv->i2c->dev,
1563 "%s(): invalid bit_err 0x%x period 0x%x\n",
1564 __func__, *bit_error, period);
1565 return -EINVAL;
1566 }
1567 *bit_count = period * 64800;
1568
1569 return 0;
1570 } else {
1571 dev_dbg(&priv->i2c->dev,
1572 "%s(): no data available\n", __func__);
1573 }
1574 return -EINVAL;
1575 }
1576
1577 static int cxd2841er_read_ber_t2(struct cxd2841er_priv *priv,
1578 u32 *bit_error, u32 *bit_count)
1579 {
1580 u8 data[4];
1581 u32 period_exp, n_ldpc;
1582
1583 if (priv->state != STATE_ACTIVE_TC) {
1584 dev_dbg(&priv->i2c->dev,
1585 "%s(): invalid state %d\n", __func__, priv->state);
1586 return -EINVAL;
1587 }
1588 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x20);
1589 cxd2841er_read_regs(priv, I2C_SLVT, 0x39, data, sizeof(data));
1590 if (!(data[0] & 0x10)) {
1591 dev_dbg(&priv->i2c->dev,
1592 "%s(): no valid BER data\n", __func__);
1593 return -EINVAL;
1594 }
1595 *bit_error = ((u32)(data[0] & 0x0f) << 24) |
1596 ((u32)data[1] << 16) |
1597 ((u32)data[2] << 8) |
1598 (u32)data[3];
1599 cxd2841er_read_reg(priv, I2C_SLVT, 0x6f, data);
1600 period_exp = data[0] & 0x0f;
1601 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x22);
1602 cxd2841er_read_reg(priv, I2C_SLVT, 0x5e, data);
1603 n_ldpc = ((data[0] & 0x03) == 0 ? 16200 : 64800);
1604 if (*bit_error > ((1U << period_exp) * n_ldpc)) {
1605 dev_dbg(&priv->i2c->dev,
1606 "%s(): invalid BER value\n", __func__);
1607 return -EINVAL;
1608 }
1609
1610 /*
1611 * FIXME: the right thing would be to return bit_error untouched,
1612 * but, as we don't know the scale returned by the counters, let's
1613 * at least preserver BER = bit_error/bit_count.
1614 */
1615 if (period_exp >= 4) {
1616 *bit_count = (1U << (period_exp - 4)) * (n_ldpc / 200);
1617 *bit_error *= 3125ULL;
1618 } else {
1619 *bit_count = (1U << period_exp) * (n_ldpc / 200);
1620 *bit_error *= 50000ULL;
1621 }
1622 return 0;
1623 }
1624
1625 static int cxd2841er_read_ber_t(struct cxd2841er_priv *priv,
1626 u32 *bit_error, u32 *bit_count)
1627 {
1628 u8 data[2];
1629 u32 period;
1630
1631 if (priv->state != STATE_ACTIVE_TC) {
1632 dev_dbg(&priv->i2c->dev,
1633 "%s(): invalid state %d\n", __func__, priv->state);
1634 return -EINVAL;
1635 }
1636 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10);
1637 cxd2841er_read_reg(priv, I2C_SLVT, 0x39, data);
1638 if (!(data[0] & 0x01)) {
1639 dev_dbg(&priv->i2c->dev,
1640 "%s(): no valid BER data\n", __func__);
1641 return 0;
1642 }
1643 cxd2841er_read_regs(priv, I2C_SLVT, 0x22, data, sizeof(data));
1644 *bit_error = ((u32)data[0] << 8) | (u32)data[1];
1645 cxd2841er_read_reg(priv, I2C_SLVT, 0x6f, data);
1646 period = ((data[0] & 0x07) == 0) ? 256 : (4096 << (data[0] & 0x07));
1647
1648 /*
1649 * FIXME: the right thing would be to return bit_error untouched,
1650 * but, as we don't know the scale returned by the counters, let's
1651 * at least preserver BER = bit_error/bit_count.
1652 */
1653 *bit_count = period / 128;
1654 *bit_error *= 78125ULL;
1655 return 0;
1656 }
1657
1658 static int cxd2841er_freeze_regs(struct cxd2841er_priv *priv)
1659 {
1660 /*
1661 * Freeze registers: ensure multiple separate register reads
1662 * are from the same snapshot
1663 */
1664 cxd2841er_write_reg(priv, I2C_SLVT, 0x01, 0x01);
1665 return 0;
1666 }
1667
1668 static int cxd2841er_unfreeze_regs(struct cxd2841er_priv *priv)
1669 {
1670 /*
1671 * un-freeze registers
1672 */
1673 cxd2841er_write_reg(priv, I2C_SLVT, 0x01, 0x00);
1674 return 0;
1675 }
1676
1677 static u32 cxd2841er_dvbs_read_snr(struct cxd2841er_priv *priv,
1678 u8 delsys, u32 *snr)
1679 {
1680 u8 data[3];
1681 u32 res = 0, value;
1682 int min_index, max_index, index;
1683 static const struct cxd2841er_cnr_data *cn_data;
1684
1685 cxd2841er_freeze_regs(priv);
1686 /* Set SLV-T Bank : 0xA1 */
1687 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xa1);
1688 /*
1689 * slave Bank Addr Bit Signal name
1690 * <SLV-T> A1h 10h [0] ICPM_QUICKRDY
1691 * <SLV-T> A1h 11h [4:0] ICPM_QUICKCNDT[12:8]
1692 * <SLV-T> A1h 12h [7:0] ICPM_QUICKCNDT[7:0]
1693 */
1694 cxd2841er_read_regs(priv, I2C_SLVT, 0x10, data, 3);
1695 cxd2841er_unfreeze_regs(priv);
1696
1697 if (data[0] & 0x01) {
1698 value = ((u32)(data[1] & 0x1F) << 8) | (u32)(data[2] & 0xFF);
1699 min_index = 0;
1700 if (delsys == SYS_DVBS) {
1701 cn_data = s_cn_data;
1702 max_index = ARRAY_SIZE(s_cn_data) - 1;
1703 } else {
1704 cn_data = s2_cn_data;
1705 max_index = ARRAY_SIZE(s2_cn_data) - 1;
1706 }
1707 if (value >= cn_data[min_index].value) {
1708 res = cn_data[min_index].cnr_x1000;
1709 goto done;
1710 }
1711 if (value <= cn_data[max_index].value) {
1712 res = cn_data[max_index].cnr_x1000;
1713 goto done;
1714 }
1715 while ((max_index - min_index) > 1) {
1716 index = (max_index + min_index) / 2;
1717 if (value == cn_data[index].value) {
1718 res = cn_data[index].cnr_x1000;
1719 goto done;
1720 } else if (value > cn_data[index].value)
1721 max_index = index;
1722 else
1723 min_index = index;
1724 if ((max_index - min_index) <= 1) {
1725 if (value == cn_data[max_index].value) {
1726 res = cn_data[max_index].cnr_x1000;
1727 goto done;
1728 } else {
1729 res = cn_data[min_index].cnr_x1000;
1730 goto done;
1731 }
1732 }
1733 }
1734 } else {
1735 dev_dbg(&priv->i2c->dev,
1736 "%s(): no data available\n", __func__);
1737 return -EINVAL;
1738 }
1739 done:
1740 *snr = res;
1741 return 0;
1742 }
1743
1744 static uint32_t sony_log(uint32_t x)
1745 {
1746 return (((10000>>8)*(intlog2(x)>>16) + LOG2_E_100X/2)/LOG2_E_100X);
1747 }
1748
1749 static int cxd2841er_read_snr_c(struct cxd2841er_priv *priv, u32 *snr)
1750 {
1751 u32 reg;
1752 u8 data[2];
1753 enum sony_dvbc_constellation_t qam = SONY_DVBC_CONSTELLATION_16QAM;
1754
1755 *snr = 0;
1756 if (priv->state != STATE_ACTIVE_TC) {
1757 dev_dbg(&priv->i2c->dev,
1758 "%s(): invalid state %d\n",
1759 __func__, priv->state);
1760 return -EINVAL;
1761 }
1762
1763 cxd2841er_freeze_regs(priv);
1764 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x40);
1765 cxd2841er_read_regs(priv, I2C_SLVT, 0x19, data, 1);
1766 qam = (enum sony_dvbc_constellation_t) (data[0] & 0x07);
1767 cxd2841er_read_regs(priv, I2C_SLVT, 0x4C, data, 2);
1768 cxd2841er_unfreeze_regs(priv);
1769
1770 reg = ((u32)(data[0]&0x1f) << 8) | (u32)data[1];
1771 if (reg == 0) {
1772 dev_dbg(&priv->i2c->dev,
1773 "%s(): reg value out of range\n", __func__);
1774 return 0;
1775 }
1776
1777 switch (qam) {
1778 case SONY_DVBC_CONSTELLATION_16QAM:
1779 case SONY_DVBC_CONSTELLATION_64QAM:
1780 case SONY_DVBC_CONSTELLATION_256QAM:
1781 /* SNR(dB) = -9.50 * ln(IREG_SNR_ESTIMATE / (24320)) */
1782 if (reg < 126)
1783 reg = 126;
1784 *snr = -95 * (int32_t)sony_log(reg) + 95941;
1785 break;
1786 case SONY_DVBC_CONSTELLATION_32QAM:
1787 case SONY_DVBC_CONSTELLATION_128QAM:
1788 /* SNR(dB) = -8.75 * ln(IREG_SNR_ESTIMATE / (20800)) */
1789 if (reg < 69)
1790 reg = 69;
1791 *snr = -88 * (int32_t)sony_log(reg) + 86999;
1792 break;
1793 default:
1794 return -EINVAL;
1795 }
1796
1797 return 0;
1798 }
1799
1800 static int cxd2841er_read_snr_t(struct cxd2841er_priv *priv, u32 *snr)
1801 {
1802 u32 reg;
1803 u8 data[2];
1804
1805 *snr = 0;
1806 if (priv->state != STATE_ACTIVE_TC) {
1807 dev_dbg(&priv->i2c->dev,
1808 "%s(): invalid state %d\n", __func__, priv->state);
1809 return -EINVAL;
1810 }
1811
1812 cxd2841er_freeze_regs(priv);
1813 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10);
1814 cxd2841er_read_regs(priv, I2C_SLVT, 0x28, data, sizeof(data));
1815 cxd2841er_unfreeze_regs(priv);
1816
1817 reg = ((u32)data[0] << 8) | (u32)data[1];
1818 if (reg == 0) {
1819 dev_dbg(&priv->i2c->dev,
1820 "%s(): reg value out of range\n", __func__);
1821 return 0;
1822 }
1823 if (reg > 4996)
1824 reg = 4996;
1825 *snr = 100 * ((INTLOG10X100(reg) - INTLOG10X100(5350 - reg)) + 285);
1826 return 0;
1827 }
1828
1829 static int cxd2841er_read_snr_t2(struct cxd2841er_priv *priv, u32 *snr)
1830 {
1831 u32 reg;
1832 u8 data[2];
1833
1834 *snr = 0;
1835 if (priv->state != STATE_ACTIVE_TC) {
1836 dev_dbg(&priv->i2c->dev,
1837 "%s(): invalid state %d\n", __func__, priv->state);
1838 return -EINVAL;
1839 }
1840
1841 cxd2841er_freeze_regs(priv);
1842 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x20);
1843 cxd2841er_read_regs(priv, I2C_SLVT, 0x28, data, sizeof(data));
1844 cxd2841er_unfreeze_regs(priv);
1845
1846 reg = ((u32)data[0] << 8) | (u32)data[1];
1847 if (reg == 0) {
1848 dev_dbg(&priv->i2c->dev,
1849 "%s(): reg value out of range\n", __func__);
1850 return 0;
1851 }
1852 if (reg > 10876)
1853 reg = 10876;
1854 *snr = 100 * ((INTLOG10X100(reg) - INTLOG10X100(12600 - reg)) + 320);
1855 return 0;
1856 }
1857
1858 static int cxd2841er_read_snr_i(struct cxd2841er_priv *priv, u32 *snr)
1859 {
1860 u32 reg;
1861 u8 data[2];
1862
1863 *snr = 0;
1864 if (priv->state != STATE_ACTIVE_TC) {
1865 dev_dbg(&priv->i2c->dev,
1866 "%s(): invalid state %d\n", __func__,
1867 priv->state);
1868 return -EINVAL;
1869 }
1870
1871 cxd2841er_freeze_regs(priv);
1872 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x60);
1873 cxd2841er_read_regs(priv, I2C_SLVT, 0x28, data, sizeof(data));
1874 cxd2841er_unfreeze_regs(priv);
1875
1876 reg = ((u32)data[0] << 8) | (u32)data[1];
1877 if (reg == 0) {
1878 dev_dbg(&priv->i2c->dev,
1879 "%s(): reg value out of range\n", __func__);
1880 return 0;
1881 }
1882 *snr = 10000 * (intlog10(reg) >> 24) - 9031;
1883 return 0;
1884 }
1885
1886 static u16 cxd2841er_read_agc_gain_c(struct cxd2841er_priv *priv,
1887 u8 delsys)
1888 {
1889 u8 data[2];
1890
1891 cxd2841er_write_reg(
1892 priv, I2C_SLVT, 0x00, 0x40);
1893 cxd2841er_read_regs(priv, I2C_SLVT, 0x49, data, 2);
1894 dev_dbg(&priv->i2c->dev,
1895 "%s(): AGC value=%u\n",
1896 __func__, (((u16)data[0] & 0x0F) << 8) |
1897 (u16)(data[1] & 0xFF));
1898 return ((((u16)data[0] & 0x0F) << 8) | (u16)(data[1] & 0xFF)) << 4;
1899 }
1900
1901 static u16 cxd2841er_read_agc_gain_t_t2(struct cxd2841er_priv *priv,
1902 u8 delsys)
1903 {
1904 u8 data[2];
1905
1906 cxd2841er_write_reg(
1907 priv, I2C_SLVT, 0x00, (delsys == SYS_DVBT ? 0x10 : 0x20));
1908 cxd2841er_read_regs(priv, I2C_SLVT, 0x26, data, 2);
1909 dev_dbg(&priv->i2c->dev,
1910 "%s(): AGC value=%u\n",
1911 __func__, (((u16)data[0] & 0x0F) << 8) |
1912 (u16)(data[1] & 0xFF));
1913 return ((((u16)data[0] & 0x0F) << 8) | (u16)(data[1] & 0xFF)) << 4;
1914 }
1915
1916 static u16 cxd2841er_read_agc_gain_i(struct cxd2841er_priv *priv,
1917 u8 delsys)
1918 {
1919 u8 data[2];
1920
1921 cxd2841er_write_reg(
1922 priv, I2C_SLVT, 0x00, 0x60);
1923 cxd2841er_read_regs(priv, I2C_SLVT, 0x26, data, 2);
1924
1925 dev_dbg(&priv->i2c->dev,
1926 "%s(): AGC value=%u\n",
1927 __func__, (((u16)data[0] & 0x0F) << 8) |
1928 (u16)(data[1] & 0xFF));
1929 return ((((u16)data[0] & 0x0F) << 8) | (u16)(data[1] & 0xFF)) << 4;
1930 }
1931
1932 static u16 cxd2841er_read_agc_gain_s(struct cxd2841er_priv *priv)
1933 {
1934 u8 data[2];
1935
1936 /* Set SLV-T Bank : 0xA0 */
1937 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xa0);
1938 /*
1939 * slave Bank Addr Bit Signal name
1940 * <SLV-T> A0h 1Fh [4:0] IRFAGC_GAIN[12:8]
1941 * <SLV-T> A0h 20h [7:0] IRFAGC_GAIN[7:0]
1942 */
1943 cxd2841er_read_regs(priv, I2C_SLVT, 0x1f, data, 2);
1944 return ((((u16)data[0] & 0x1F) << 8) | (u16)(data[1] & 0xFF)) << 3;
1945 }
1946
1947 static void cxd2841er_read_ber(struct dvb_frontend *fe)
1948 {
1949 struct dtv_frontend_properties *p = &fe->dtv_property_cache;
1950 struct cxd2841er_priv *priv = fe->demodulator_priv;
1951 u32 ret, bit_error = 0, bit_count = 0;
1952
1953 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
1954 switch (p->delivery_system) {
1955 case SYS_DVBC_ANNEX_A:
1956 case SYS_DVBC_ANNEX_B:
1957 case SYS_DVBC_ANNEX_C:
1958 ret = cxd2841er_read_ber_c(priv, &bit_error, &bit_count);
1959 break;
1960 case SYS_ISDBT:
1961 ret = cxd2841er_read_ber_i(priv, &bit_error, &bit_count);
1962 break;
1963 case SYS_DVBS:
1964 ret = cxd2841er_mon_read_ber_s(priv, &bit_error, &bit_count);
1965 break;
1966 case SYS_DVBS2:
1967 ret = cxd2841er_mon_read_ber_s2(priv, &bit_error, &bit_count);
1968 break;
1969 case SYS_DVBT:
1970 ret = cxd2841er_read_ber_t(priv, &bit_error, &bit_count);
1971 break;
1972 case SYS_DVBT2:
1973 ret = cxd2841er_read_ber_t2(priv, &bit_error, &bit_count);
1974 break;
1975 default:
1976 p->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
1977 p->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
1978 return;
1979 }
1980
1981 if (!ret) {
1982 p->post_bit_error.stat[0].scale = FE_SCALE_COUNTER;
1983 p->post_bit_error.stat[0].uvalue += bit_error;
1984 p->post_bit_count.stat[0].scale = FE_SCALE_COUNTER;
1985 p->post_bit_count.stat[0].uvalue += bit_count;
1986 } else {
1987 p->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
1988 p->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
1989 }
1990 }
1991
1992 static void cxd2841er_read_signal_strength(struct dvb_frontend *fe)
1993 {
1994 struct dtv_frontend_properties *p = &fe->dtv_property_cache;
1995 struct cxd2841er_priv *priv = fe->demodulator_priv;
1996 s32 strength;
1997
1998 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
1999 switch (p->delivery_system) {
2000 case SYS_DVBT:
2001 case SYS_DVBT2:
2002 strength = cxd2841er_read_agc_gain_t_t2(priv,
2003 p->delivery_system);
2004 p->strength.stat[0].scale = FE_SCALE_DECIBEL;
2005 /* Formula was empirically determinated @ 410 MHz */
2006 p->strength.stat[0].uvalue = strength * 366 / 100 - 89520;
2007 break; /* Code moved out of the function */
2008 case SYS_DVBC_ANNEX_A:
2009 case SYS_DVBC_ANNEX_B:
2010 case SYS_DVBC_ANNEX_C:
2011 strength = cxd2841er_read_agc_gain_c(priv,
2012 p->delivery_system);
2013 p->strength.stat[0].scale = FE_SCALE_DECIBEL;
2014 /*
2015 * Formula was empirically determinated via linear regression,
2016 * using frequencies: 175 MHz, 410 MHz and 800 MHz, and a
2017 * stream modulated with QAM64
2018 */
2019 p->strength.stat[0].uvalue = strength * 4045 / 1000 - 85224;
2020 break;
2021 case SYS_ISDBT:
2022 strength = cxd2841er_read_agc_gain_i(priv, p->delivery_system);
2023 p->strength.stat[0].scale = FE_SCALE_DECIBEL;
2024 /*
2025 * Formula was empirically determinated via linear regression,
2026 * using frequencies: 175 MHz, 410 MHz and 800 MHz.
2027 */
2028 p->strength.stat[0].uvalue = strength * 3775 / 1000 - 90185;
2029 break;
2030 case SYS_DVBS:
2031 case SYS_DVBS2:
2032 strength = 65535 - cxd2841er_read_agc_gain_s(priv);
2033 p->strength.stat[0].scale = FE_SCALE_RELATIVE;
2034 p->strength.stat[0].uvalue = strength;
2035 break;
2036 default:
2037 p->strength.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
2038 break;
2039 }
2040 }
2041
2042 static void cxd2841er_read_snr(struct dvb_frontend *fe)
2043 {
2044 u32 tmp = 0;
2045 int ret = 0;
2046 struct dtv_frontend_properties *p = &fe->dtv_property_cache;
2047 struct cxd2841er_priv *priv = fe->demodulator_priv;
2048
2049 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
2050 switch (p->delivery_system) {
2051 case SYS_DVBC_ANNEX_A:
2052 case SYS_DVBC_ANNEX_B:
2053 case SYS_DVBC_ANNEX_C:
2054 ret = cxd2841er_read_snr_c(priv, &tmp);
2055 break;
2056 case SYS_DVBT:
2057 ret = cxd2841er_read_snr_t(priv, &tmp);
2058 break;
2059 case SYS_DVBT2:
2060 ret = cxd2841er_read_snr_t2(priv, &tmp);
2061 break;
2062 case SYS_ISDBT:
2063 ret = cxd2841er_read_snr_i(priv, &tmp);
2064 break;
2065 case SYS_DVBS:
2066 case SYS_DVBS2:
2067 ret = cxd2841er_dvbs_read_snr(priv, p->delivery_system, &tmp);
2068 break;
2069 default:
2070 dev_dbg(&priv->i2c->dev, "%s(): unknown delivery system %d\n",
2071 __func__, p->delivery_system);
2072 p->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
2073 return;
2074 }
2075
2076 dev_dbg(&priv->i2c->dev, "%s(): snr=%d\n",
2077 __func__, (int32_t)tmp);
2078
2079 if (!ret) {
2080 p->cnr.stat[0].scale = FE_SCALE_DECIBEL;
2081 p->cnr.stat[0].svalue = tmp;
2082 } else {
2083 p->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
2084 }
2085 }
2086
2087 static void cxd2841er_read_ucblocks(struct dvb_frontend *fe)
2088 {
2089 struct dtv_frontend_properties *p = &fe->dtv_property_cache;
2090 struct cxd2841er_priv *priv = fe->demodulator_priv;
2091 u32 ucblocks = 0;
2092
2093 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
2094 switch (p->delivery_system) {
2095 case SYS_DVBC_ANNEX_A:
2096 case SYS_DVBC_ANNEX_B:
2097 case SYS_DVBC_ANNEX_C:
2098 cxd2841er_read_packet_errors_c(priv, &ucblocks);
2099 break;
2100 case SYS_DVBT:
2101 cxd2841er_read_packet_errors_t(priv, &ucblocks);
2102 break;
2103 case SYS_DVBT2:
2104 cxd2841er_read_packet_errors_t2(priv, &ucblocks);
2105 break;
2106 case SYS_ISDBT:
2107 cxd2841er_read_packet_errors_i(priv, &ucblocks);
2108 break;
2109 default:
2110 p->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
2111 return;
2112 }
2113 dev_dbg(&priv->i2c->dev, "%s() ucblocks=%u\n", __func__, ucblocks);
2114
2115 p->block_error.stat[0].scale = FE_SCALE_COUNTER;
2116 p->block_error.stat[0].uvalue = ucblocks;
2117 }
2118
2119 static int cxd2841er_dvbt2_set_profile(
2120 struct cxd2841er_priv *priv, enum cxd2841er_dvbt2_profile_t profile)
2121 {
2122 u8 tune_mode;
2123 u8 seq_not2d_time;
2124
2125 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
2126 switch (profile) {
2127 case DVBT2_PROFILE_BASE:
2128 tune_mode = 0x01;
2129 /* Set early unlock time */
2130 seq_not2d_time = (priv->xtal == SONY_XTAL_24000)?0x0E:0x0C;
2131 break;
2132 case DVBT2_PROFILE_LITE:
2133 tune_mode = 0x05;
2134 /* Set early unlock time */
2135 seq_not2d_time = (priv->xtal == SONY_XTAL_24000)?0x2E:0x28;
2136 break;
2137 case DVBT2_PROFILE_ANY:
2138 tune_mode = 0x00;
2139 /* Set early unlock time */
2140 seq_not2d_time = (priv->xtal == SONY_XTAL_24000)?0x2E:0x28;
2141 break;
2142 default:
2143 return -EINVAL;
2144 }
2145 /* Set SLV-T Bank : 0x2E */
2146 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x2e);
2147 /* Set profile and tune mode */
2148 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x10, tune_mode, 0x07);
2149 /* Set SLV-T Bank : 0x2B */
2150 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x2b);
2151 /* Set early unlock detection time */
2152 cxd2841er_write_reg(priv, I2C_SLVT, 0x9d, seq_not2d_time);
2153 return 0;
2154 }
2155
2156 static int cxd2841er_dvbt2_set_plp_config(struct cxd2841er_priv *priv,
2157 u8 is_auto, u8 plp_id)
2158 {
2159 if (is_auto) {
2160 dev_dbg(&priv->i2c->dev,
2161 "%s() using auto PLP selection\n", __func__);
2162 } else {
2163 dev_dbg(&priv->i2c->dev,
2164 "%s() using manual PLP selection, ID %d\n",
2165 __func__, plp_id);
2166 }
2167 /* Set SLV-T Bank : 0x23 */
2168 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x23);
2169 if (!is_auto) {
2170 /* Manual PLP selection mode. Set the data PLP Id. */
2171 cxd2841er_write_reg(priv, I2C_SLVT, 0xaf, plp_id);
2172 }
2173 /* Auto PLP select (Scanning mode = 0x00). Data PLP select = 0x01. */
2174 cxd2841er_write_reg(priv, I2C_SLVT, 0xad, (is_auto ? 0x00 : 0x01));
2175 return 0;
2176 }
2177
2178 static int cxd2841er_sleep_tc_to_active_t2_band(struct cxd2841er_priv *priv,
2179 u32 bandwidth)
2180 {
2181 u32 iffreq, ifhz;
2182 u8 data[MAX_WRITE_REGSIZE];
2183
2184 static const uint8_t nominalRate8bw[3][5] = {
2185 /* TRCG Nominal Rate [37:0] */
2186 {0x11, 0xF0, 0x00, 0x00, 0x00}, /* 20.5MHz XTal */
2187 {0x15, 0x00, 0x00, 0x00, 0x00}, /* 24MHz XTal */
2188 {0x11, 0xF0, 0x00, 0x00, 0x00} /* 41MHz XTal */
2189 };
2190
2191 static const uint8_t nominalRate7bw[3][5] = {
2192 /* TRCG Nominal Rate [37:0] */
2193 {0x14, 0x80, 0x00, 0x00, 0x00}, /* 20.5MHz XTal */
2194 {0x18, 0x00, 0x00, 0x00, 0x00}, /* 24MHz XTal */
2195 {0x14, 0x80, 0x00, 0x00, 0x00} /* 41MHz XTal */
2196 };
2197
2198 static const uint8_t nominalRate6bw[3][5] = {
2199 /* TRCG Nominal Rate [37:0] */
2200 {0x17, 0xEA, 0xAA, 0xAA, 0xAA}, /* 20.5MHz XTal */
2201 {0x1C, 0x00, 0x00, 0x00, 0x00}, /* 24MHz XTal */
2202 {0x17, 0xEA, 0xAA, 0xAA, 0xAA} /* 41MHz XTal */
2203 };
2204
2205 static const uint8_t nominalRate5bw[3][5] = {
2206 /* TRCG Nominal Rate [37:0] */
2207 {0x1C, 0xB3, 0x33, 0x33, 0x33}, /* 20.5MHz XTal */
2208 {0x21, 0x99, 0x99, 0x99, 0x99}, /* 24MHz XTal */
2209 {0x1C, 0xB3, 0x33, 0x33, 0x33} /* 41MHz XTal */
2210 };
2211
2212 static const uint8_t nominalRate17bw[3][5] = {
2213 /* TRCG Nominal Rate [37:0] */
2214 {0x58, 0xE2, 0xAF, 0xE0, 0xBC}, /* 20.5MHz XTal */
2215 {0x68, 0x0F, 0xA2, 0x32, 0xD0}, /* 24MHz XTal */
2216 {0x58, 0xE2, 0xAF, 0xE0, 0xBC} /* 41MHz XTal */
2217 };
2218
2219 static const uint8_t itbCoef8bw[3][14] = {
2220 {0x26, 0xAF, 0x06, 0xCD, 0x13, 0xBB, 0x28, 0xBA,
2221 0x23, 0xA9, 0x1F, 0xA8, 0x2C, 0xC8}, /* 20.5MHz XTal */
2222 {0x2F, 0xBA, 0x28, 0x9B, 0x28, 0x9D, 0x28, 0xA1,
2223 0x29, 0xA5, 0x2A, 0xAC, 0x29, 0xB5}, /* 24MHz XTal */
2224 {0x26, 0xAF, 0x06, 0xCD, 0x13, 0xBB, 0x28, 0xBA,
2225 0x23, 0xA9, 0x1F, 0xA8, 0x2C, 0xC8} /* 41MHz XTal */
2226 };
2227
2228 static const uint8_t itbCoef7bw[3][14] = {
2229 {0x2C, 0xBD, 0x02, 0xCF, 0x04, 0xF8, 0x23, 0xA6,
2230 0x29, 0xB0, 0x26, 0xA9, 0x21, 0xA5}, /* 20.5MHz XTal */
2231 {0x30, 0xB1, 0x29, 0x9A, 0x28, 0x9C, 0x28, 0xA0,
2232 0x29, 0xA2, 0x2B, 0xA6, 0x2B, 0xAD}, /* 24MHz XTal */
2233 {0x2C, 0xBD, 0x02, 0xCF, 0x04, 0xF8, 0x23, 0xA6,
2234 0x29, 0xB0, 0x26, 0xA9, 0x21, 0xA5} /* 41MHz XTal */
2235 };
2236
2237 static const uint8_t itbCoef6bw[3][14] = {
2238 {0x27, 0xA7, 0x28, 0xB3, 0x02, 0xF0, 0x01, 0xE8,
2239 0x00, 0xCF, 0x00, 0xE6, 0x23, 0xA4}, /* 20.5MHz XTal */
2240 {0x31, 0xA8, 0x29, 0x9B, 0x27, 0x9C, 0x28, 0x9E,
2241 0x29, 0xA4, 0x29, 0xA2, 0x29, 0xA8}, /* 24MHz XTal */
2242 {0x27, 0xA7, 0x28, 0xB3, 0x02, 0xF0, 0x01, 0xE8,
2243 0x00, 0xCF, 0x00, 0xE6, 0x23, 0xA4} /* 41MHz XTal */
2244 };
2245
2246 static const uint8_t itbCoef5bw[3][14] = {
2247 {0x27, 0xA7, 0x28, 0xB3, 0x02, 0xF0, 0x01, 0xE8,
2248 0x00, 0xCF, 0x00, 0xE6, 0x23, 0xA4}, /* 20.5MHz XTal */
2249 {0x31, 0xA8, 0x29, 0x9B, 0x27, 0x9C, 0x28, 0x9E,
2250 0x29, 0xA4, 0x29, 0xA2, 0x29, 0xA8}, /* 24MHz XTal */
2251 {0x27, 0xA7, 0x28, 0xB3, 0x02, 0xF0, 0x01, 0xE8,
2252 0x00, 0xCF, 0x00, 0xE6, 0x23, 0xA4} /* 41MHz XTal */
2253 };
2254
2255 static const uint8_t itbCoef17bw[3][14] = {
2256 {0x25, 0xA0, 0x36, 0x8D, 0x2E, 0x94, 0x28, 0x9B,
2257 0x32, 0x90, 0x2C, 0x9D, 0x29, 0x99}, /* 20.5MHz XTal */
2258 {0x33, 0x8E, 0x2B, 0x97, 0x2D, 0x95, 0x37, 0x8B,
2259 0x30, 0x97, 0x2D, 0x9A, 0x21, 0xA4}, /* 24MHz XTal */
2260 {0x25, 0xA0, 0x36, 0x8D, 0x2E, 0x94, 0x28, 0x9B,
2261 0x32, 0x90, 0x2C, 0x9D, 0x29, 0x99} /* 41MHz XTal */
2262 };
2263
2264 /* Set SLV-T Bank : 0x20 */
2265 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x20);
2266
2267 switch (bandwidth) {
2268 case 8000000:
2269 /* <Timing Recovery setting> */
2270 cxd2841er_write_regs(priv, I2C_SLVT,
2271 0x9F, nominalRate8bw[priv->xtal], 5);
2272
2273 /* Set SLV-T Bank : 0x27 */
2274 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x27);
2275 cxd2841er_set_reg_bits(priv, I2C_SLVT,
2276 0x7a, 0x00, 0x0f);
2277
2278 /* Set SLV-T Bank : 0x10 */
2279 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10);
2280
2281 /* Group delay equaliser settings for
2282 * ASCOT2D, ASCOT2E and ASCOT3 tuners
2283 */
2284 if (priv->flags & CXD2841ER_ASCOT)
2285 cxd2841er_write_regs(priv, I2C_SLVT,
2286 0xA6, itbCoef8bw[priv->xtal], 14);
2287 /* <IF freq setting> */
2288 ifhz = cxd2841er_get_if_hz(priv, 4800000);
2289 iffreq = cxd2841er_calc_iffreq_xtal(priv->xtal, ifhz);
2290 data[0] = (u8) ((iffreq >> 16) & 0xff);
2291 data[1] = (u8)((iffreq >> 8) & 0xff);
2292 data[2] = (u8)(iffreq & 0xff);
2293 cxd2841er_write_regs(priv, I2C_SLVT, 0xB6, data, 3);
2294 /* System bandwidth setting */
2295 cxd2841er_set_reg_bits(
2296 priv, I2C_SLVT, 0xD7, 0x00, 0x07);
2297 break;
2298 case 7000000:
2299 /* <Timing Recovery setting> */
2300 cxd2841er_write_regs(priv, I2C_SLVT,
2301 0x9F, nominalRate7bw[priv->xtal], 5);
2302
2303 /* Set SLV-T Bank : 0x27 */
2304 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x27);
2305 cxd2841er_set_reg_bits(priv, I2C_SLVT,
2306 0x7a, 0x00, 0x0f);
2307
2308 /* Set SLV-T Bank : 0x10 */
2309 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10);
2310
2311 /* Group delay equaliser settings for
2312 * ASCOT2D, ASCOT2E and ASCOT3 tuners
2313 */
2314 if (priv->flags & CXD2841ER_ASCOT)
2315 cxd2841er_write_regs(priv, I2C_SLVT,
2316 0xA6, itbCoef7bw[priv->xtal], 14);
2317 /* <IF freq setting> */
2318 ifhz = cxd2841er_get_if_hz(priv, 4200000);
2319 iffreq = cxd2841er_calc_iffreq_xtal(priv->xtal, ifhz);
2320 data[0] = (u8) ((iffreq >> 16) & 0xff);
2321 data[1] = (u8)((iffreq >> 8) & 0xff);
2322 data[2] = (u8)(iffreq & 0xff);
2323 cxd2841er_write_regs(priv, I2C_SLVT, 0xB6, data, 3);
2324 /* System bandwidth setting */
2325 cxd2841er_set_reg_bits(
2326 priv, I2C_SLVT, 0xD7, 0x02, 0x07);
2327 break;
2328 case 6000000:
2329 /* <Timing Recovery setting> */
2330 cxd2841er_write_regs(priv, I2C_SLVT,
2331 0x9F, nominalRate6bw[priv->xtal], 5);
2332
2333 /* Set SLV-T Bank : 0x27 */
2334 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x27);
2335 cxd2841er_set_reg_bits(priv, I2C_SLVT,
2336 0x7a, 0x00, 0x0f);
2337
2338 /* Set SLV-T Bank : 0x10 */
2339 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10);
2340
2341 /* Group delay equaliser settings for
2342 * ASCOT2D, ASCOT2E and ASCOT3 tuners
2343 */
2344 if (priv->flags & CXD2841ER_ASCOT)
2345 cxd2841er_write_regs(priv, I2C_SLVT,
2346 0xA6, itbCoef6bw[priv->xtal], 14);
2347 /* <IF freq setting> */
2348 ifhz = cxd2841er_get_if_hz(priv, 3600000);
2349 iffreq = cxd2841er_calc_iffreq_xtal(priv->xtal, ifhz);
2350 data[0] = (u8) ((iffreq >> 16) & 0xff);
2351 data[1] = (u8)((iffreq >> 8) & 0xff);
2352 data[2] = (u8)(iffreq & 0xff);
2353 cxd2841er_write_regs(priv, I2C_SLVT, 0xB6, data, 3);
2354 /* System bandwidth setting */
2355 cxd2841er_set_reg_bits(
2356 priv, I2C_SLVT, 0xD7, 0x04, 0x07);
2357 break;
2358 case 5000000:
2359 /* <Timing Recovery setting> */
2360 cxd2841er_write_regs(priv, I2C_SLVT,
2361 0x9F, nominalRate5bw[priv->xtal], 5);
2362
2363 /* Set SLV-T Bank : 0x27 */
2364 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x27);
2365 cxd2841er_set_reg_bits(priv, I2C_SLVT,
2366 0x7a, 0x00, 0x0f);
2367
2368 /* Set SLV-T Bank : 0x10 */
2369 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10);
2370
2371 /* Group delay equaliser settings for
2372 * ASCOT2D, ASCOT2E and ASCOT3 tuners
2373 */
2374 if (priv->flags & CXD2841ER_ASCOT)
2375 cxd2841er_write_regs(priv, I2C_SLVT,
2376 0xA6, itbCoef5bw[priv->xtal], 14);
2377 /* <IF freq setting> */
2378 ifhz = cxd2841er_get_if_hz(priv, 3600000);
2379 iffreq = cxd2841er_calc_iffreq_xtal(priv->xtal, ifhz);
2380 data[0] = (u8) ((iffreq >> 16) & 0xff);
2381 data[1] = (u8)((iffreq >> 8) & 0xff);
2382 data[2] = (u8)(iffreq & 0xff);
2383 cxd2841er_write_regs(priv, I2C_SLVT, 0xB6, data, 3);
2384 /* System bandwidth setting */
2385 cxd2841er_set_reg_bits(
2386 priv, I2C_SLVT, 0xD7, 0x06, 0x07);
2387 break;
2388 case 1712000:
2389 /* <Timing Recovery setting> */
2390 cxd2841er_write_regs(priv, I2C_SLVT,
2391 0x9F, nominalRate17bw[priv->xtal], 5);
2392
2393 /* Set SLV-T Bank : 0x27 */
2394 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x27);
2395 cxd2841er_set_reg_bits(priv, I2C_SLVT,
2396 0x7a, 0x03, 0x0f);
2397
2398 /* Set SLV-T Bank : 0x10 */
2399 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10);
2400
2401 /* Group delay equaliser settings for
2402 * ASCOT2D, ASCOT2E and ASCOT3 tuners
2403 */
2404 if (priv->flags & CXD2841ER_ASCOT)
2405 cxd2841er_write_regs(priv, I2C_SLVT,
2406 0xA6, itbCoef17bw[priv->xtal], 14);
2407 /* <IF freq setting> */
2408 ifhz = cxd2841er_get_if_hz(priv, 3500000);
2409 iffreq = cxd2841er_calc_iffreq_xtal(priv->xtal, ifhz);
2410 data[0] = (u8) ((iffreq >> 16) & 0xff);
2411 data[1] = (u8)((iffreq >> 8) & 0xff);
2412 data[2] = (u8)(iffreq & 0xff);
2413 cxd2841er_write_regs(priv, I2C_SLVT, 0xB6, data, 3);
2414 /* System bandwidth setting */
2415 cxd2841er_set_reg_bits(
2416 priv, I2C_SLVT, 0xD7, 0x03, 0x07);
2417 break;
2418 default:
2419 return -EINVAL;
2420 }
2421 return 0;
2422 }
2423
2424 static int cxd2841er_sleep_tc_to_active_t_band(
2425 struct cxd2841er_priv *priv, u32 bandwidth)
2426 {
2427 u8 data[MAX_WRITE_REGSIZE];
2428 u32 iffreq, ifhz;
2429 static const u8 nominalRate8bw[3][5] = {
2430 /* TRCG Nominal Rate [37:0] */
2431 {0x11, 0xF0, 0x00, 0x00, 0x00}, /* 20.5MHz XTal */
2432 {0x15, 0x00, 0x00, 0x00, 0x00}, /* 24MHz XTal */
2433 {0x11, 0xF0, 0x00, 0x00, 0x00} /* 41MHz XTal */
2434 };
2435 static const u8 nominalRate7bw[3][5] = {
2436 /* TRCG Nominal Rate [37:0] */
2437 {0x14, 0x80, 0x00, 0x00, 0x00}, /* 20.5MHz XTal */
2438 {0x18, 0x00, 0x00, 0x00, 0x00}, /* 24MHz XTal */
2439 {0x14, 0x80, 0x00, 0x00, 0x00} /* 41MHz XTal */
2440 };
2441 static const u8 nominalRate6bw[3][5] = {
2442 /* TRCG Nominal Rate [37:0] */
2443 {0x17, 0xEA, 0xAA, 0xAA, 0xAA}, /* 20.5MHz XTal */
2444 {0x1C, 0x00, 0x00, 0x00, 0x00}, /* 24MHz XTal */
2445 {0x17, 0xEA, 0xAA, 0xAA, 0xAA} /* 41MHz XTal */
2446 };
2447 static const u8 nominalRate5bw[3][5] = {
2448 /* TRCG Nominal Rate [37:0] */
2449 {0x1C, 0xB3, 0x33, 0x33, 0x33}, /* 20.5MHz XTal */
2450 {0x21, 0x99, 0x99, 0x99, 0x99}, /* 24MHz XTal */
2451 {0x1C, 0xB3, 0x33, 0x33, 0x33} /* 41MHz XTal */
2452 };
2453
2454 static const u8 itbCoef8bw[3][14] = {
2455 {0x26, 0xAF, 0x06, 0xCD, 0x13, 0xBB, 0x28, 0xBA, 0x23, 0xA9,
2456 0x1F, 0xA8, 0x2C, 0xC8}, /* 20.5MHz XTal */
2457 {0x2F, 0xBA, 0x28, 0x9B, 0x28, 0x9D, 0x28, 0xA1, 0x29, 0xA5,
2458 0x2A, 0xAC, 0x29, 0xB5}, /* 24MHz XTal */
2459 {0x26, 0xAF, 0x06, 0xCD, 0x13, 0xBB, 0x28, 0xBA, 0x23, 0xA9,
2460 0x1F, 0xA8, 0x2C, 0xC8} /* 41MHz XTal */
2461 };
2462 static const u8 itbCoef7bw[3][14] = {
2463 {0x2C, 0xBD, 0x02, 0xCF, 0x04, 0xF8, 0x23, 0xA6, 0x29, 0xB0,
2464 0x26, 0xA9, 0x21, 0xA5}, /* 20.5MHz XTal */
2465 {0x30, 0xB1, 0x29, 0x9A, 0x28, 0x9C, 0x28, 0xA0, 0x29, 0xA2,
2466 0x2B, 0xA6, 0x2B, 0xAD}, /* 24MHz XTal */
2467 {0x2C, 0xBD, 0x02, 0xCF, 0x04, 0xF8, 0x23, 0xA6, 0x29, 0xB0,
2468 0x26, 0xA9, 0x21, 0xA5} /* 41MHz XTal */
2469 };
2470 static const u8 itbCoef6bw[3][14] = {
2471 {0x27, 0xA7, 0x28, 0xB3, 0x02, 0xF0, 0x01, 0xE8, 0x00, 0xCF,
2472 0x00, 0xE6, 0x23, 0xA4}, /* 20.5MHz XTal */
2473 {0x31, 0xA8, 0x29, 0x9B, 0x27, 0x9C, 0x28, 0x9E, 0x29, 0xA4,
2474 0x29, 0xA2, 0x29, 0xA8}, /* 24MHz XTal */
2475 {0x27, 0xA7, 0x28, 0xB3, 0x02, 0xF0, 0x01, 0xE8, 0x00, 0xCF,
2476 0x00, 0xE6, 0x23, 0xA4} /* 41MHz XTal */
2477 };
2478 static const u8 itbCoef5bw[3][14] = {
2479 {0x27, 0xA7, 0x28, 0xB3, 0x02, 0xF0, 0x01, 0xE8, 0x00, 0xCF,
2480 0x00, 0xE6, 0x23, 0xA4}, /* 20.5MHz XTal */
2481 {0x31, 0xA8, 0x29, 0x9B, 0x27, 0x9C, 0x28, 0x9E, 0x29, 0xA4,
2482 0x29, 0xA2, 0x29, 0xA8}, /* 24MHz XTal */
2483 {0x27, 0xA7, 0x28, 0xB3, 0x02, 0xF0, 0x01, 0xE8, 0x00, 0xCF,
2484 0x00, 0xE6, 0x23, 0xA4} /* 41MHz XTal */
2485 };
2486
2487 /* Set SLV-T Bank : 0x13 */
2488 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x13);
2489 /* Echo performance optimization setting */
2490 data[0] = 0x01;
2491 data[1] = 0x14;
2492 cxd2841er_write_regs(priv, I2C_SLVT, 0x9C, data, 2);
2493
2494 /* Set SLV-T Bank : 0x10 */
2495 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10);
2496
2497 switch (bandwidth) {
2498 case 8000000:
2499 /* <Timing Recovery setting> */
2500 cxd2841er_write_regs(priv, I2C_SLVT,
2501 0x9F, nominalRate8bw[priv->xtal], 5);
2502 /* Group delay equaliser settings for
2503 * ASCOT2D, ASCOT2E and ASCOT3 tuners
2504 */
2505 if (priv->flags & CXD2841ER_ASCOT)
2506 cxd2841er_write_regs(priv, I2C_SLVT,
2507 0xA6, itbCoef8bw[priv->xtal], 14);
2508 /* <IF freq setting> */
2509 ifhz = cxd2841er_get_if_hz(priv, 4800000);
2510 iffreq = cxd2841er_calc_iffreq_xtal(priv->xtal, ifhz);
2511 data[0] = (u8) ((iffreq >> 16) & 0xff);
2512 data[1] = (u8)((iffreq >> 8) & 0xff);
2513 data[2] = (u8)(iffreq & 0xff);
2514 cxd2841er_write_regs(priv, I2C_SLVT, 0xB6, data, 3);
2515 /* System bandwidth setting */
2516 cxd2841er_set_reg_bits(
2517 priv, I2C_SLVT, 0xD7, 0x00, 0x07);
2518
2519 /* Demod core latency setting */
2520 if (priv->xtal == SONY_XTAL_24000) {
2521 data[0] = 0x15;
2522 data[1] = 0x28;
2523 } else {
2524 data[0] = 0x01;
2525 data[1] = 0xE0;
2526 }
2527 cxd2841er_write_regs(priv, I2C_SLVT, 0xD9, data, 2);
2528
2529 /* Notch filter setting */
2530 data[0] = 0x01;
2531 data[1] = 0x02;
2532 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x17);
2533 cxd2841er_write_regs(priv, I2C_SLVT, 0x38, data, 2);
2534 break;
2535 case 7000000:
2536 /* <Timing Recovery setting> */
2537 cxd2841er_write_regs(priv, I2C_SLVT,
2538 0x9F, nominalRate7bw[priv->xtal], 5);
2539 /* Group delay equaliser settings for
2540 * ASCOT2D, ASCOT2E and ASCOT3 tuners
2541 */
2542 if (priv->flags & CXD2841ER_ASCOT)
2543 cxd2841er_write_regs(priv, I2C_SLVT,
2544 0xA6, itbCoef7bw[priv->xtal], 14);
2545 /* <IF freq setting> */
2546 ifhz = cxd2841er_get_if_hz(priv, 4200000);
2547 iffreq = cxd2841er_calc_iffreq_xtal(priv->xtal, ifhz);
2548 data[0] = (u8) ((iffreq >> 16) & 0xff);
2549 data[1] = (u8)((iffreq >> 8) & 0xff);
2550 data[2] = (u8)(iffreq & 0xff);
2551 cxd2841er_write_regs(priv, I2C_SLVT, 0xB6, data, 3);
2552 /* System bandwidth setting */
2553 cxd2841er_set_reg_bits(
2554 priv, I2C_SLVT, 0xD7, 0x02, 0x07);
2555
2556 /* Demod core latency setting */
2557 if (priv->xtal == SONY_XTAL_24000) {
2558 data[0] = 0x1F;
2559 data[1] = 0xF8;
2560 } else {
2561 data[0] = 0x12;
2562 data[1] = 0xF8;
2563 }
2564 cxd2841er_write_regs(priv, I2C_SLVT, 0xD9, data, 2);
2565
2566 /* Notch filter setting */
2567 data[0] = 0x00;
2568 data[1] = 0x03;
2569 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x17);
2570 cxd2841er_write_regs(priv, I2C_SLVT, 0x38, data, 2);
2571 break;
2572 case 6000000:
2573 /* <Timing Recovery setting> */
2574 cxd2841er_write_regs(priv, I2C_SLVT,
2575 0x9F, nominalRate6bw[priv->xtal], 5);
2576 /* Group delay equaliser settings for
2577 * ASCOT2D, ASCOT2E and ASCOT3 tuners
2578 */
2579 if (priv->flags & CXD2841ER_ASCOT)
2580 cxd2841er_write_regs(priv, I2C_SLVT,
2581 0xA6, itbCoef6bw[priv->xtal], 14);
2582 /* <IF freq setting> */
2583 ifhz = cxd2841er_get_if_hz(priv, 3600000);
2584 iffreq = cxd2841er_calc_iffreq_xtal(priv->xtal, ifhz);
2585 data[0] = (u8) ((iffreq >> 16) & 0xff);
2586 data[1] = (u8)((iffreq >> 8) & 0xff);
2587 data[2] = (u8)(iffreq & 0xff);
2588 cxd2841er_write_regs(priv, I2C_SLVT, 0xB6, data, 3);
2589 /* System bandwidth setting */
2590 cxd2841er_set_reg_bits(
2591 priv, I2C_SLVT, 0xD7, 0x04, 0x07);
2592
2593 /* Demod core latency setting */
2594 if (priv->xtal == SONY_XTAL_24000) {
2595 data[0] = 0x25;
2596 data[1] = 0x4C;
2597 } else {
2598 data[0] = 0x1F;
2599 data[1] = 0xDC;
2600 }
2601 cxd2841er_write_regs(priv, I2C_SLVT, 0xD9, data, 2);
2602
2603 /* Notch filter setting */
2604 data[0] = 0x00;
2605 data[1] = 0x03;
2606 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x17);
2607 cxd2841er_write_regs(priv, I2C_SLVT, 0x38, data, 2);
2608 break;
2609 case 5000000:
2610 /* <Timing Recovery setting> */
2611 cxd2841er_write_regs(priv, I2C_SLVT,
2612 0x9F, nominalRate5bw[priv->xtal], 5);
2613 /* Group delay equaliser settings for
2614 * ASCOT2D, ASCOT2E and ASCOT3 tuners
2615 */
2616 if (priv->flags & CXD2841ER_ASCOT)
2617 cxd2841er_write_regs(priv, I2C_SLVT,
2618 0xA6, itbCoef5bw[priv->xtal], 14);
2619 /* <IF freq setting> */
2620 ifhz = cxd2841er_get_if_hz(priv, 3600000);
2621 iffreq = cxd2841er_calc_iffreq_xtal(priv->xtal, ifhz);
2622 data[0] = (u8) ((iffreq >> 16) & 0xff);
2623 data[1] = (u8)((iffreq >> 8) & 0xff);
2624 data[2] = (u8)(iffreq & 0xff);
2625 cxd2841er_write_regs(priv, I2C_SLVT, 0xB6, data, 3);
2626 /* System bandwidth setting */
2627 cxd2841er_set_reg_bits(
2628 priv, I2C_SLVT, 0xD7, 0x06, 0x07);
2629
2630 /* Demod core latency setting */
2631 if (priv->xtal == SONY_XTAL_24000) {
2632 data[0] = 0x2C;
2633 data[1] = 0xC2;
2634 } else {
2635 data[0] = 0x26;
2636 data[1] = 0x3C;
2637 }
2638 cxd2841er_write_regs(priv, I2C_SLVT, 0xD9, data, 2);
2639
2640 /* Notch filter setting */
2641 data[0] = 0x00;
2642 data[1] = 0x03;
2643 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x17);
2644 cxd2841er_write_regs(priv, I2C_SLVT, 0x38, data, 2);
2645 break;
2646 }
2647
2648 return 0;
2649 }
2650
2651 static int cxd2841er_sleep_tc_to_active_i_band(
2652 struct cxd2841er_priv *priv, u32 bandwidth)
2653 {
2654 u32 iffreq, ifhz;
2655 u8 data[3];
2656
2657 /* TRCG Nominal Rate */
2658 static const u8 nominalRate8bw[3][5] = {
2659 {0x00, 0x00, 0x00, 0x00, 0x00}, /* 20.5MHz XTal */
2660 {0x11, 0xB8, 0x00, 0x00, 0x00}, /* 24MHz XTal */
2661 {0x00, 0x00, 0x00, 0x00, 0x00} /* 41MHz XTal */
2662 };
2663
2664 static const u8 nominalRate7bw[3][5] = {
2665 {0x00, 0x00, 0x00, 0x00, 0x00}, /* 20.5MHz XTal */
2666 {0x14, 0x40, 0x00, 0x00, 0x00}, /* 24MHz XTal */
2667 {0x00, 0x00, 0x00, 0x00, 0x00} /* 41MHz XTal */
2668 };
2669
2670 static const u8 nominalRate6bw[3][5] = {
2671 {0x14, 0x2E, 0x00, 0x00, 0x00}, /* 20.5MHz XTal */
2672 {0x17, 0xA0, 0x00, 0x00, 0x00}, /* 24MHz XTal */
2673 {0x14, 0x2E, 0x00, 0x00, 0x00} /* 41MHz XTal */
2674 };
2675
2676 static const u8 itbCoef8bw[3][14] = {
2677 {0x00}, /* 20.5MHz XTal */
2678 {0x2F, 0xBA, 0x28, 0x9B, 0x28, 0x9D, 0x28, 0xA1, 0x29,
2679 0xA5, 0x2A, 0xAC, 0x29, 0xB5}, /* 24MHz Xtal */
2680 {0x0}, /* 41MHz XTal */
2681 };
2682
2683 static const u8 itbCoef7bw[3][14] = {
2684 {0x00}, /* 20.5MHz XTal */
2685 {0x30, 0xB1, 0x29, 0x9A, 0x28, 0x9C, 0x28, 0xA0, 0x29,
2686 0xA2, 0x2B, 0xA6, 0x2B, 0xAD}, /* 24MHz Xtal */
2687 {0x00}, /* 41MHz XTal */
2688 };
2689
2690 static const u8 itbCoef6bw[3][14] = {
2691 {0x27, 0xA7, 0x28, 0xB3, 0x02, 0xF0, 0x01, 0xE8, 0x00,
2692 0xCF, 0x00, 0xE6, 0x23, 0xA4}, /* 20.5MHz XTal */
2693 {0x31, 0xA8, 0x29, 0x9B, 0x27, 0x9C, 0x28, 0x9E, 0x29,
2694 0xA4, 0x29, 0xA2, 0x29, 0xA8}, /* 24MHz Xtal */
2695 {0x27, 0xA7, 0x28, 0xB3, 0x02, 0xF0, 0x01, 0xE8, 0x00,
2696 0xCF, 0x00, 0xE6, 0x23, 0xA4}, /* 41MHz XTal */
2697 };
2698
2699 dev_dbg(&priv->i2c->dev, "%s() bandwidth=%u\n", __func__, bandwidth);
2700 /* Set SLV-T Bank : 0x10 */
2701 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10);
2702
2703 /* 20.5/41MHz Xtal support is not available
2704 * on ISDB-T 7MHzBW and 8MHzBW
2705 */
2706 if (priv->xtal != SONY_XTAL_24000 && bandwidth > 6000000) {
2707 dev_err(&priv->i2c->dev,
2708 "%s(): bandwidth %d supported only for 24MHz xtal\n",
2709 __func__, bandwidth);
2710 return -EINVAL;
2711 }
2712
2713 switch (bandwidth) {
2714 case 8000000:
2715 /* TRCG Nominal Rate */
2716 cxd2841er_write_regs(priv, I2C_SLVT,
2717 0x9F, nominalRate8bw[priv->xtal], 5);
2718 /* Group delay equaliser settings for ASCOT tuners optimized */
2719 if (priv->flags & CXD2841ER_ASCOT)
2720 cxd2841er_write_regs(priv, I2C_SLVT,
2721 0xA6, itbCoef8bw[priv->xtal], 14);
2722
2723 /* IF freq setting */
2724 ifhz = cxd2841er_get_if_hz(priv, 4750000);
2725 iffreq = cxd2841er_calc_iffreq_xtal(priv->xtal, ifhz);
2726 data[0] = (u8) ((iffreq >> 16) & 0xff);
2727 data[1] = (u8)((iffreq >> 8) & 0xff);
2728 data[2] = (u8)(iffreq & 0xff);
2729 cxd2841er_write_regs(priv, I2C_SLVT, 0xB6, data, 3);
2730
2731 /* System bandwidth setting */
2732 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xd7, 0x0, 0x7);
2733
2734 /* Demod core latency setting */
2735 data[0] = 0x13;
2736 data[1] = 0xFC;
2737 cxd2841er_write_regs(priv, I2C_SLVT, 0xD9, data, 2);
2738
2739 /* Acquisition optimization setting */
2740 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x12);
2741 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x71, 0x03, 0x07);
2742 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x15);
2743 cxd2841er_write_reg(priv, I2C_SLVT, 0xBE, 0x03);
2744 break;
2745 case 7000000:
2746 /* TRCG Nominal Rate */
2747 cxd2841er_write_regs(priv, I2C_SLVT,
2748 0x9F, nominalRate7bw[priv->xtal], 5);
2749 /* Group delay equaliser settings for ASCOT tuners optimized */
2750 if (priv->flags & CXD2841ER_ASCOT)
2751 cxd2841er_write_regs(priv, I2C_SLVT,
2752 0xA6, itbCoef7bw[priv->xtal], 14);
2753
2754 /* IF freq setting */
2755 ifhz = cxd2841er_get_if_hz(priv, 4150000);
2756 iffreq = cxd2841er_calc_iffreq_xtal(priv->xtal, ifhz);
2757 data[0] = (u8) ((iffreq >> 16) & 0xff);
2758 data[1] = (u8)((iffreq >> 8) & 0xff);
2759 data[2] = (u8)(iffreq & 0xff);
2760 cxd2841er_write_regs(priv, I2C_SLVT, 0xB6, data, 3);
2761
2762 /* System bandwidth setting */
2763 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xd7, 0x02, 0x7);
2764
2765 /* Demod core latency setting */
2766 data[0] = 0x1A;
2767 data[1] = 0xFA;
2768 cxd2841er_write_regs(priv, I2C_SLVT, 0xD9, data, 2);
2769
2770 /* Acquisition optimization setting */
2771 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x12);
2772 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x71, 0x03, 0x07);
2773 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x15);
2774 cxd2841er_write_reg(priv, I2C_SLVT, 0xBE, 0x02);
2775 break;
2776 case 6000000:
2777 /* TRCG Nominal Rate */
2778 cxd2841er_write_regs(priv, I2C_SLVT,
2779 0x9F, nominalRate6bw[priv->xtal], 5);
2780 /* Group delay equaliser settings for ASCOT tuners optimized */
2781 if (priv->flags & CXD2841ER_ASCOT)
2782 cxd2841er_write_regs(priv, I2C_SLVT,
2783 0xA6, itbCoef6bw[priv->xtal], 14);
2784
2785 /* IF freq setting */
2786 ifhz = cxd2841er_get_if_hz(priv, 3550000);
2787 iffreq = cxd2841er_calc_iffreq_xtal(priv->xtal, ifhz);
2788 data[0] = (u8) ((iffreq >> 16) & 0xff);
2789 data[1] = (u8)((iffreq >> 8) & 0xff);
2790 data[2] = (u8)(iffreq & 0xff);
2791 cxd2841er_write_regs(priv, I2C_SLVT, 0xB6, data, 3);
2792
2793 /* System bandwidth setting */
2794 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xd7, 0x04, 0x7);
2795
2796 /* Demod core latency setting */
2797 if (priv->xtal == SONY_XTAL_24000) {
2798 data[0] = 0x1F;
2799 data[1] = 0x79;
2800 } else {
2801 data[0] = 0x1A;
2802 data[1] = 0xE2;
2803 }
2804 cxd2841er_write_regs(priv, I2C_SLVT, 0xD9, data, 2);
2805
2806 /* Acquisition optimization setting */
2807 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x12);
2808 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x71, 0x07, 0x07);
2809 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x15);
2810 cxd2841er_write_reg(priv, I2C_SLVT, 0xBE, 0x02);
2811 break;
2812 default:
2813 dev_dbg(&priv->i2c->dev, "%s(): invalid bandwidth %d\n",
2814 __func__, bandwidth);
2815 return -EINVAL;
2816 }
2817 return 0;
2818 }
2819
2820 static int cxd2841er_sleep_tc_to_active_c_band(struct cxd2841er_priv *priv,
2821 u32 bandwidth)
2822 {
2823 u8 bw7_8mhz_b10_a6[] = {
2824 0x2D, 0xC7, 0x04, 0xF4, 0x07, 0xC5, 0x2A, 0xB8,
2825 0x27, 0x9E, 0x27, 0xA4, 0x29, 0xAB };
2826 u8 bw6mhz_b10_a6[] = {
2827 0x27, 0xA7, 0x28, 0xB3, 0x02, 0xF0, 0x01, 0xE8,
2828 0x00, 0xCF, 0x00, 0xE6, 0x23, 0xA4 };
2829 u8 b10_b6[3];
2830 u32 iffreq, ifhz;
2831
2832 if (bandwidth != 6000000 &&
2833 bandwidth != 7000000 &&
2834 bandwidth != 8000000) {
2835 dev_info(&priv->i2c->dev, "%s(): unsupported bandwidth %d. Forcing 8Mhz!\n",
2836 __func__, bandwidth);
2837 bandwidth = 8000000;
2838 }
2839
2840 dev_dbg(&priv->i2c->dev, "%s() bw=%d\n", __func__, bandwidth);
2841 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10);
2842 switch (bandwidth) {
2843 case 8000000:
2844 case 7000000:
2845 if (priv->flags & CXD2841ER_ASCOT)
2846 cxd2841er_write_regs(
2847 priv, I2C_SLVT, 0xa6,
2848 bw7_8mhz_b10_a6, sizeof(bw7_8mhz_b10_a6));
2849 ifhz = cxd2841er_get_if_hz(priv, 4900000);
2850 iffreq = cxd2841er_calc_iffreq(ifhz);
2851 break;
2852 case 6000000:
2853 if (priv->flags & CXD2841ER_ASCOT)
2854 cxd2841er_write_regs(
2855 priv, I2C_SLVT, 0xa6,
2856 bw6mhz_b10_a6, sizeof(bw6mhz_b10_a6));
2857 ifhz = cxd2841er_get_if_hz(priv, 3700000);
2858 iffreq = cxd2841er_calc_iffreq(ifhz);
2859 break;
2860 default:
2861 dev_err(&priv->i2c->dev, "%s(): unsupported bandwidth %d\n",
2862 __func__, bandwidth);
2863 return -EINVAL;
2864 }
2865 /* <IF freq setting> */
2866 b10_b6[0] = (u8) ((iffreq >> 16) & 0xff);
2867 b10_b6[1] = (u8)((iffreq >> 8) & 0xff);
2868 b10_b6[2] = (u8)(iffreq & 0xff);
2869 cxd2841er_write_regs(priv, I2C_SLVT, 0xb6, b10_b6, sizeof(b10_b6));
2870 /* Set SLV-T Bank : 0x11 */
2871 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x11);
2872 switch (bandwidth) {
2873 case 8000000:
2874 case 7000000:
2875 cxd2841er_set_reg_bits(
2876 priv, I2C_SLVT, 0xa3, 0x00, 0x1f);
2877 break;
2878 case 6000000:
2879 cxd2841er_set_reg_bits(
2880 priv, I2C_SLVT, 0xa3, 0x14, 0x1f);
2881 break;
2882 }
2883 /* Set SLV-T Bank : 0x40 */
2884 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x40);
2885 switch (bandwidth) {
2886 case 8000000:
2887 cxd2841er_set_reg_bits(
2888 priv, I2C_SLVT, 0x26, 0x0b, 0x0f);
2889 cxd2841er_write_reg(priv, I2C_SLVT, 0x27, 0x3e);
2890 break;
2891 case 7000000:
2892 cxd2841er_set_reg_bits(
2893 priv, I2C_SLVT, 0x26, 0x09, 0x0f);
2894 cxd2841er_write_reg(priv, I2C_SLVT, 0x27, 0xd6);
2895 break;
2896 case 6000000:
2897 cxd2841er_set_reg_bits(
2898 priv, I2C_SLVT, 0x26, 0x08, 0x0f);
2899 cxd2841er_write_reg(priv, I2C_SLVT, 0x27, 0x6e);
2900 break;
2901 }
2902 return 0;
2903 }
2904
2905 static int cxd2841er_sleep_tc_to_active_t(struct cxd2841er_priv *priv,
2906 u32 bandwidth)
2907 {
2908 u8 data[2] = { 0x09, 0x54 };
2909 u8 data24m[3] = {0xDC, 0x6C, 0x00};
2910
2911 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
2912 cxd2841er_set_ts_clock_mode(priv, SYS_DVBT);
2913 /* Set SLV-X Bank : 0x00 */
2914 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00);
2915 /* Set demod mode */
2916 cxd2841er_write_reg(priv, I2C_SLVX, 0x17, 0x01);
2917 /* Set SLV-T Bank : 0x00 */
2918 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
2919 /* Enable demod clock */
2920 cxd2841er_write_reg(priv, I2C_SLVT, 0x2c, 0x01);
2921 /* Disable RF level monitor */
2922 cxd2841er_write_reg(priv, I2C_SLVT, 0x2f, 0x00);
2923 /* Enable ADC clock */
2924 cxd2841er_write_reg(priv, I2C_SLVT, 0x30, 0x00);
2925 /* Enable ADC 1 */
2926 cxd2841er_write_reg(priv, I2C_SLVT, 0x41, 0x1a);
2927 /* Enable ADC 2 & 3 */
2928 if (priv->xtal == SONY_XTAL_41000) {
2929 data[0] = 0x0A;
2930 data[1] = 0xD4;
2931 }
2932 cxd2841er_write_regs(priv, I2C_SLVT, 0x43, data, 2);
2933 /* Enable ADC 4 */
2934 cxd2841er_write_reg(priv, I2C_SLVX, 0x18, 0x00);
2935 /* Set SLV-T Bank : 0x10 */
2936 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10);
2937 /* IFAGC gain settings */
2938 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xd2, 0x0c, 0x1f);
2939 /* Set SLV-T Bank : 0x11 */
2940 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x11);
2941 /* BBAGC TARGET level setting */
2942 cxd2841er_write_reg(priv, I2C_SLVT, 0x6a, 0x50);
2943 /* Set SLV-T Bank : 0x10 */
2944 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10);
2945 /* ASCOT setting */
2946 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xa5,
2947 ((priv->flags & CXD2841ER_ASCOT) ? 0x01 : 0x00), 0x01);
2948 /* Set SLV-T Bank : 0x18 */
2949 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x18);
2950 /* Pre-RS BER moniter setting */
2951 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x36, 0x40, 0x07);
2952 /* FEC Auto Recovery setting */
2953 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x30, 0x01, 0x01);
2954 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x31, 0x01, 0x01);
2955 /* Set SLV-T Bank : 0x00 */
2956 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
2957 /* TSIF setting */
2958 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xce, 0x01, 0x01);
2959 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xcf, 0x01, 0x01);
2960
2961 if (priv->xtal == SONY_XTAL_24000) {
2962 /* Set SLV-T Bank : 0x10 */
2963 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10);
2964 cxd2841er_write_reg(priv, I2C_SLVT, 0xBF, 0x60);
2965 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x18);
2966 cxd2841er_write_regs(priv, I2C_SLVT, 0x24, data24m, 3);
2967 }
2968
2969 cxd2841er_sleep_tc_to_active_t_band(priv, bandwidth);
2970 /* Set SLV-T Bank : 0x00 */
2971 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
2972 /* Disable HiZ Setting 1 */
2973 cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x28);
2974 /* Disable HiZ Setting 2 */
2975 cxd2841er_write_reg(priv, I2C_SLVT, 0x81, 0x00);
2976 priv->state = STATE_ACTIVE_TC;
2977 return 0;
2978 }
2979
2980 static int cxd2841er_sleep_tc_to_active_t2(struct cxd2841er_priv *priv,
2981 u32 bandwidth)
2982 {
2983 u8 data[MAX_WRITE_REGSIZE];
2984
2985 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
2986 cxd2841er_set_ts_clock_mode(priv, SYS_DVBT2);
2987 /* Set SLV-X Bank : 0x00 */
2988 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00);
2989 /* Set demod mode */
2990 cxd2841er_write_reg(priv, I2C_SLVX, 0x17, 0x02);
2991 /* Set SLV-T Bank : 0x00 */
2992 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
2993 /* Enable demod clock */
2994 cxd2841er_write_reg(priv, I2C_SLVT, 0x2c, 0x01);
2995 /* Disable RF level monitor */
2996 cxd2841er_write_reg(priv, I2C_SLVT, 0x59, 0x00);
2997 cxd2841er_write_reg(priv, I2C_SLVT, 0x2f, 0x00);
2998 /* Enable ADC clock */
2999 cxd2841er_write_reg(priv, I2C_SLVT, 0x30, 0x00);
3000 /* Enable ADC 1 */
3001 cxd2841er_write_reg(priv, I2C_SLVT, 0x41, 0x1a);
3002
3003 if (priv->xtal == SONY_XTAL_41000) {
3004 data[0] = 0x0A;
3005 data[1] = 0xD4;
3006 } else {
3007 data[0] = 0x09;
3008 data[1] = 0x54;
3009 }
3010
3011 cxd2841er_write_regs(priv, I2C_SLVT, 0x43, data, 2);
3012 /* Enable ADC 4 */
3013 cxd2841er_write_reg(priv, I2C_SLVX, 0x18, 0x00);
3014 /* Set SLV-T Bank : 0x10 */
3015 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10);
3016 /* IFAGC gain settings */
3017 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xd2, 0x0c, 0x1f);
3018 /* Set SLV-T Bank : 0x11 */
3019 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x11);
3020 /* BBAGC TARGET level setting */
3021 cxd2841er_write_reg(priv, I2C_SLVT, 0x6a, 0x50);
3022 /* Set SLV-T Bank : 0x10 */
3023 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10);
3024 /* ASCOT setting */
3025 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xa5,
3026 ((priv->flags & CXD2841ER_ASCOT) ? 0x01 : 0x00), 0x01);
3027 /* Set SLV-T Bank : 0x20 */
3028 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x20);
3029 /* Acquisition optimization setting */
3030 cxd2841er_write_reg(priv, I2C_SLVT, 0x8b, 0x3c);
3031 /* Set SLV-T Bank : 0x2b */
3032 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x2b);
3033 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x76, 0x20, 0x70);
3034 /* Set SLV-T Bank : 0x23 */
3035 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x23);
3036 /* L1 Control setting */
3037 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xE6, 0x00, 0x03);
3038 /* Set SLV-T Bank : 0x00 */
3039 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
3040 /* TSIF setting */
3041 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xce, 0x01, 0x01);
3042 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xcf, 0x01, 0x01);
3043 /* DVB-T2 initial setting */
3044 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x13);
3045 cxd2841er_write_reg(priv, I2C_SLVT, 0x83, 0x10);
3046 cxd2841er_write_reg(priv, I2C_SLVT, 0x86, 0x34);
3047 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x9e, 0x09, 0x0f);
3048 cxd2841er_write_reg(priv, I2C_SLVT, 0x9f, 0xd8);
3049 /* Set SLV-T Bank : 0x2a */
3050 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x2a);
3051 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x38, 0x04, 0x0f);
3052 /* Set SLV-T Bank : 0x2b */
3053 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x2b);
3054 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x11, 0x20, 0x3f);
3055
3056 /* 24MHz Xtal setting */
3057 if (priv->xtal == SONY_XTAL_24000) {
3058 /* Set SLV-T Bank : 0x11 */
3059 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x11);
3060 data[0] = 0xEB;
3061 data[1] = 0x03;
3062 data[2] = 0x3B;
3063 cxd2841er_write_regs(priv, I2C_SLVT, 0x33, data, 3);
3064
3065 /* Set SLV-T Bank : 0x20 */
3066 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x20);
3067 data[0] = 0x5E;
3068 data[1] = 0x5E;
3069 data[2] = 0x47;
3070 cxd2841er_write_regs(priv, I2C_SLVT, 0x95, data, 3);
3071
3072 cxd2841er_write_reg(priv, I2C_SLVT, 0x99, 0x18);
3073
3074 data[0] = 0x3F;
3075 data[1] = 0xFF;
3076 cxd2841er_write_regs(priv, I2C_SLVT, 0xD9, data, 2);
3077
3078 /* Set SLV-T Bank : 0x24 */
3079 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x24);
3080 data[0] = 0x0B;
3081 data[1] = 0x72;
3082 cxd2841er_write_regs(priv, I2C_SLVT, 0x34, data, 2);
3083
3084 data[0] = 0x93;
3085 data[1] = 0xF3;
3086 data[2] = 0x00;
3087 cxd2841er_write_regs(priv, I2C_SLVT, 0xD2, data, 3);
3088
3089 data[0] = 0x05;
3090 data[1] = 0xB8;
3091 data[2] = 0xD8;
3092 cxd2841er_write_regs(priv, I2C_SLVT, 0xDD, data, 3);
3093
3094 cxd2841er_write_reg(priv, I2C_SLVT, 0xE0, 0x00);
3095
3096 /* Set SLV-T Bank : 0x25 */
3097 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x25);
3098 cxd2841er_write_reg(priv, I2C_SLVT, 0xED, 0x60);
3099
3100 /* Set SLV-T Bank : 0x27 */
3101 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x27);
3102 cxd2841er_write_reg(priv, I2C_SLVT, 0xFA, 0x34);
3103
3104 /* Set SLV-T Bank : 0x2B */
3105 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x2B);
3106 cxd2841er_write_reg(priv, I2C_SLVT, 0x4B, 0x2F);
3107 cxd2841er_write_reg(priv, I2C_SLVT, 0x9E, 0x0E);
3108
3109 /* Set SLV-T Bank : 0x2D */
3110 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x2D);
3111 data[0] = 0x89;
3112 data[1] = 0x89;
3113 cxd2841er_write_regs(priv, I2C_SLVT, 0x24, data, 2);
3114
3115 /* Set SLV-T Bank : 0x5E */
3116 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x5E);
3117 data[0] = 0x24;
3118 data[1] = 0x95;
3119 cxd2841er_write_regs(priv, I2C_SLVT, 0x8C, data, 2);
3120 }
3121
3122 cxd2841er_sleep_tc_to_active_t2_band(priv, bandwidth);
3123
3124 /* Set SLV-T Bank : 0x00 */
3125 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
3126 /* Disable HiZ Setting 1 */
3127 cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x28);
3128 /* Disable HiZ Setting 2 */
3129 cxd2841er_write_reg(priv, I2C_SLVT, 0x81, 0x00);
3130 priv->state = STATE_ACTIVE_TC;
3131 return 0;
3132 }
3133
3134 /* ISDB-Tb part */
3135 static int cxd2841er_sleep_tc_to_active_i(struct cxd2841er_priv *priv,
3136 u32 bandwidth)
3137 {
3138 u8 data[2] = { 0x09, 0x54 };
3139 u8 data24m[2] = {0x60, 0x00};
3140 u8 data24m2[3] = {0xB7, 0x1B, 0x00};
3141
3142 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
3143 cxd2841er_set_ts_clock_mode(priv, SYS_DVBT);
3144 /* Set SLV-X Bank : 0x00 */
3145 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00);
3146 /* Set demod mode */
3147 cxd2841er_write_reg(priv, I2C_SLVX, 0x17, 0x06);
3148 /* Set SLV-T Bank : 0x00 */
3149 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
3150 /* Enable demod clock */
3151 cxd2841er_write_reg(priv, I2C_SLVT, 0x2c, 0x01);
3152 /* Enable RF level monitor */
3153 cxd2841er_write_reg(priv, I2C_SLVT, 0x2f, 0x01);
3154 cxd2841er_write_reg(priv, I2C_SLVT, 0x59, 0x01);
3155 /* Enable ADC clock */
3156 cxd2841er_write_reg(priv, I2C_SLVT, 0x30, 0x00);
3157 /* Enable ADC 1 */
3158 cxd2841er_write_reg(priv, I2C_SLVT, 0x41, 0x1a);
3159 /* xtal freq 20.5MHz or 24M */
3160 cxd2841er_write_regs(priv, I2C_SLVT, 0x43, data, 2);
3161 /* Enable ADC 4 */
3162 cxd2841er_write_reg(priv, I2C_SLVX, 0x18, 0x00);
3163 /* ASCOT setting */
3164 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xa5,
3165 ((priv->flags & CXD2841ER_ASCOT) ? 0x01 : 0x00), 0x01);
3166 /* FEC Auto Recovery setting */
3167 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x30, 0x01, 0x01);
3168 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x31, 0x00, 0x01);
3169 /* ISDB-T initial setting */
3170 /* Set SLV-T Bank : 0x00 */
3171 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
3172 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xce, 0x00, 0x01);
3173 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xcf, 0x00, 0x01);
3174 /* Set SLV-T Bank : 0x10 */
3175 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10);
3176 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x69, 0x04, 0x07);
3177 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x6B, 0x03, 0x07);
3178 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x9D, 0x50, 0xFF);
3179 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xD3, 0x06, 0x1F);
3180 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xED, 0x00, 0x01);
3181 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xE2, 0xCE, 0x80);
3182 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xF2, 0x13, 0x10);
3183 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xDE, 0x2E, 0x3F);
3184 /* Set SLV-T Bank : 0x15 */
3185 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x15);
3186 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xDE, 0x02, 0x03);
3187 /* Set SLV-T Bank : 0x1E */
3188 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x1E);
3189 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x73, 0x68, 0xFF);
3190 /* Set SLV-T Bank : 0x63 */
3191 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x63);
3192 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0x81, 0x00, 0x01);
3193
3194 /* for xtal 24MHz */
3195 /* Set SLV-T Bank : 0x10 */
3196 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10);
3197 cxd2841er_write_regs(priv, I2C_SLVT, 0xBF, data24m, 2);
3198 /* Set SLV-T Bank : 0x60 */
3199 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x60);
3200 cxd2841er_write_regs(priv, I2C_SLVT, 0xA8, data24m2, 3);
3201
3202 cxd2841er_sleep_tc_to_active_i_band(priv, bandwidth);
3203 /* Set SLV-T Bank : 0x00 */
3204 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
3205 /* Disable HiZ Setting 1 */
3206 cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x28);
3207 /* Disable HiZ Setting 2 */
3208 cxd2841er_write_reg(priv, I2C_SLVT, 0x81, 0x00);
3209 priv->state = STATE_ACTIVE_TC;
3210 return 0;
3211 }
3212
3213 static int cxd2841er_sleep_tc_to_active_c(struct cxd2841er_priv *priv,
3214 u32 bandwidth)
3215 {
3216 u8 data[2] = { 0x09, 0x54 };
3217
3218 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
3219 cxd2841er_set_ts_clock_mode(priv, SYS_DVBC_ANNEX_A);
3220 /* Set SLV-X Bank : 0x00 */
3221 cxd2841er_write_reg(priv, I2C_SLVX, 0x00, 0x00);
3222 /* Set demod mode */
3223 cxd2841er_write_reg(priv, I2C_SLVX, 0x17, 0x04);
3224 /* Set SLV-T Bank : 0x00 */
3225 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
3226 /* Enable demod clock */
3227 cxd2841er_write_reg(priv, I2C_SLVT, 0x2c, 0x01);
3228 /* Disable RF level monitor */
3229 cxd2841er_write_reg(priv, I2C_SLVT, 0x59, 0x00);
3230 cxd2841er_write_reg(priv, I2C_SLVT, 0x2f, 0x00);
3231 /* Enable ADC clock */
3232 cxd2841er_write_reg(priv, I2C_SLVT, 0x30, 0x00);
3233 /* Enable ADC 1 */
3234 cxd2841er_write_reg(priv, I2C_SLVT, 0x41, 0x1a);
3235 /* xtal freq 20.5MHz */
3236 cxd2841er_write_regs(priv, I2C_SLVT, 0x43, data, 2);
3237 /* Enable ADC 4 */
3238 cxd2841er_write_reg(priv, I2C_SLVX, 0x18, 0x00);
3239 /* Set SLV-T Bank : 0x10 */
3240 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10);
3241 /* IFAGC gain settings */
3242 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xd2, 0x09, 0x1f);
3243 /* Set SLV-T Bank : 0x11 */
3244 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x11);
3245 /* BBAGC TARGET level setting */
3246 cxd2841er_write_reg(priv, I2C_SLVT, 0x6a, 0x48);
3247 /* Set SLV-T Bank : 0x10 */
3248 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10);
3249 /* ASCOT setting */
3250 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xa5,
3251 ((priv->flags & CXD2841ER_ASCOT) ? 0x01 : 0x00), 0x01);
3252 /* Set SLV-T Bank : 0x40 */
3253 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x40);
3254 /* Demod setting */
3255 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xc3, 0x00, 0x04);
3256 /* Set SLV-T Bank : 0x00 */
3257 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
3258 /* TSIF setting */
3259 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xce, 0x01, 0x01);
3260 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xcf, 0x01, 0x01);
3261
3262 cxd2841er_sleep_tc_to_active_c_band(priv, bandwidth);
3263 /* Set SLV-T Bank : 0x00 */
3264 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
3265 /* Disable HiZ Setting 1 */
3266 cxd2841er_write_reg(priv, I2C_SLVT, 0x80, 0x28);
3267 /* Disable HiZ Setting 2 */
3268 cxd2841er_write_reg(priv, I2C_SLVT, 0x81, 0x00);
3269 priv->state = STATE_ACTIVE_TC;
3270 return 0;
3271 }
3272
3273 static int cxd2841er_get_frontend(struct dvb_frontend *fe,
3274 struct dtv_frontend_properties *p)
3275 {
3276 enum fe_status status = 0;
3277 struct cxd2841er_priv *priv = fe->demodulator_priv;
3278
3279 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
3280 if (priv->state == STATE_ACTIVE_S)
3281 cxd2841er_read_status_s(fe, &status);
3282 else if (priv->state == STATE_ACTIVE_TC)
3283 cxd2841er_read_status_tc(fe, &status);
3284
3285 if (priv->state == STATE_ACTIVE_TC || priv->state == STATE_ACTIVE_S)
3286 cxd2841er_read_signal_strength(fe);
3287 else
3288 p->strength.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
3289
3290 if (status & FE_HAS_LOCK) {
3291 cxd2841er_read_snr(fe);
3292 cxd2841er_read_ucblocks(fe);
3293
3294 cxd2841er_read_ber(fe);
3295 } else {
3296 p->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
3297 p->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
3298 p->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
3299 p->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
3300 }
3301 return 0;
3302 }
3303
3304 static int cxd2841er_set_frontend_s(struct dvb_frontend *fe)
3305 {
3306 int ret = 0, i, timeout, carr_offset;
3307 enum fe_status status;
3308 struct cxd2841er_priv *priv = fe->demodulator_priv;
3309 struct dtv_frontend_properties *p = &fe->dtv_property_cache;
3310 u32 symbol_rate = p->symbol_rate/1000;
3311
3312 dev_dbg(&priv->i2c->dev, "%s(): %s frequency=%d symbol_rate=%d xtal=%d\n",
3313 __func__,
3314 (p->delivery_system == SYS_DVBS ? "DVB-S" : "DVB-S2"),
3315 p->frequency, symbol_rate, priv->xtal);
3316
3317 if (priv->flags & CXD2841ER_EARLY_TUNE)
3318 cxd2841er_tuner_set(fe);
3319
3320 switch (priv->state) {
3321 case STATE_SLEEP_S:
3322 ret = cxd2841er_sleep_s_to_active_s(
3323 priv, p->delivery_system, symbol_rate);
3324 break;
3325 case STATE_ACTIVE_S:
3326 ret = cxd2841er_retune_active(priv, p);
3327 break;
3328 default:
3329 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n",
3330 __func__, priv->state);
3331 ret = -EINVAL;
3332 goto done;
3333 }
3334 if (ret) {
3335 dev_dbg(&priv->i2c->dev, "%s(): tune failed\n", __func__);
3336 goto done;
3337 }
3338
3339 if (!(priv->flags & CXD2841ER_EARLY_TUNE))
3340 cxd2841er_tuner_set(fe);
3341
3342 cxd2841er_tune_done(priv);
3343 timeout = ((3000000 + (symbol_rate - 1)) / symbol_rate) + 150;
3344
3345 i = 0;
3346 do {
3347 usleep_range(CXD2841ER_DVBS_POLLING_INVL*1000,
3348 (CXD2841ER_DVBS_POLLING_INVL + 2) * 1000);
3349 cxd2841er_read_status_s(fe, &status);
3350 if (status & FE_HAS_LOCK)
3351 break;
3352 i++;
3353 } while (i < timeout / CXD2841ER_DVBS_POLLING_INVL);
3354
3355 if (status & FE_HAS_LOCK) {
3356 if (cxd2841er_get_carrier_offset_s_s2(
3357 priv, &carr_offset)) {
3358 ret = -EINVAL;
3359 goto done;
3360 }
3361 dev_dbg(&priv->i2c->dev, "%s(): carrier_offset=%d\n",
3362 __func__, carr_offset);
3363 }
3364 done:
3365 /* Reset stats */
3366 p->strength.stat[0].scale = FE_SCALE_RELATIVE;
3367 p->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
3368 p->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
3369 p->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
3370 p->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
3371
3372 return ret;
3373 }
3374
3375 static int cxd2841er_set_frontend_tc(struct dvb_frontend *fe)
3376 {
3377 int ret = 0, timeout;
3378 enum fe_status status;
3379 struct cxd2841er_priv *priv = fe->demodulator_priv;
3380 struct dtv_frontend_properties *p = &fe->dtv_property_cache;
3381
3382 dev_dbg(&priv->i2c->dev, "%s() delivery_system=%d bandwidth_hz=%d\n",
3383 __func__, p->delivery_system, p->bandwidth_hz);
3384
3385 if (priv->flags & CXD2841ER_EARLY_TUNE)
3386 cxd2841er_tuner_set(fe);
3387
3388 /* deconfigure/put demod to sleep on delsys switch if active */
3389 if (priv->state == STATE_ACTIVE_TC &&
3390 priv->system != p->delivery_system) {
3391 dev_dbg(&priv->i2c->dev, "%s(): old_delsys=%d, new_delsys=%d -> sleep\n",
3392 __func__, priv->system, p->delivery_system);
3393 cxd2841er_sleep_tc(fe);
3394 }
3395
3396 if (p->delivery_system == SYS_DVBT) {
3397 priv->system = SYS_DVBT;
3398 switch (priv->state) {
3399 case STATE_SLEEP_TC:
3400 ret = cxd2841er_sleep_tc_to_active_t(
3401 priv, p->bandwidth_hz);
3402 break;
3403 case STATE_ACTIVE_TC:
3404 ret = cxd2841er_retune_active(priv, p);
3405 break;
3406 default:
3407 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n",
3408 __func__, priv->state);
3409 ret = -EINVAL;
3410 }
3411 } else if (p->delivery_system == SYS_DVBT2) {
3412 priv->system = SYS_DVBT2;
3413 cxd2841er_dvbt2_set_plp_config(priv,
3414 (int)(p->stream_id > 255), p->stream_id);
3415 cxd2841er_dvbt2_set_profile(priv, DVBT2_PROFILE_BASE);
3416 switch (priv->state) {
3417 case STATE_SLEEP_TC:
3418 ret = cxd2841er_sleep_tc_to_active_t2(priv,
3419 p->bandwidth_hz);
3420 break;
3421 case STATE_ACTIVE_TC:
3422 ret = cxd2841er_retune_active(priv, p);
3423 break;
3424 default:
3425 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n",
3426 __func__, priv->state);
3427 ret = -EINVAL;
3428 }
3429 } else if (p->delivery_system == SYS_ISDBT) {
3430 priv->system = SYS_ISDBT;
3431 switch (priv->state) {
3432 case STATE_SLEEP_TC:
3433 ret = cxd2841er_sleep_tc_to_active_i(
3434 priv, p->bandwidth_hz);
3435 break;
3436 case STATE_ACTIVE_TC:
3437 ret = cxd2841er_retune_active(priv, p);
3438 break;
3439 default:
3440 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n",
3441 __func__, priv->state);
3442 ret = -EINVAL;
3443 }
3444 } else if (p->delivery_system == SYS_DVBC_ANNEX_A ||
3445 p->delivery_system == SYS_DVBC_ANNEX_C) {
3446 priv->system = SYS_DVBC_ANNEX_A;
3447 /* correct bandwidth */
3448 if (p->bandwidth_hz != 6000000 &&
3449 p->bandwidth_hz != 7000000 &&
3450 p->bandwidth_hz != 8000000) {
3451 p->bandwidth_hz = 8000000;
3452 dev_dbg(&priv->i2c->dev, "%s(): forcing bandwidth to %d\n",
3453 __func__, p->bandwidth_hz);
3454 }
3455
3456 switch (priv->state) {
3457 case STATE_SLEEP_TC:
3458 ret = cxd2841er_sleep_tc_to_active_c(
3459 priv, p->bandwidth_hz);
3460 break;
3461 case STATE_ACTIVE_TC:
3462 ret = cxd2841er_retune_active(priv, p);
3463 break;
3464 default:
3465 dev_dbg(&priv->i2c->dev, "%s(): invalid state %d\n",
3466 __func__, priv->state);
3467 ret = -EINVAL;
3468 }
3469 } else {
3470 dev_dbg(&priv->i2c->dev,
3471 "%s(): invalid delivery system %d\n",
3472 __func__, p->delivery_system);
3473 ret = -EINVAL;
3474 }
3475 if (ret)
3476 goto done;
3477
3478 if (!(priv->flags & CXD2841ER_EARLY_TUNE))
3479 cxd2841er_tuner_set(fe);
3480
3481 cxd2841er_tune_done(priv);
3482
3483 if (priv->flags & CXD2841ER_NO_WAIT_LOCK)
3484 goto done;
3485
3486 timeout = 2500;
3487 while (timeout > 0) {
3488 ret = cxd2841er_read_status_tc(fe, &status);
3489 if (ret)
3490 goto done;
3491 if (status & FE_HAS_LOCK)
3492 break;
3493 msleep(20);
3494 timeout -= 20;
3495 }
3496 if (timeout < 0)
3497 dev_dbg(&priv->i2c->dev,
3498 "%s(): LOCK wait timeout\n", __func__);
3499 done:
3500 return ret;
3501 }
3502
3503 static int cxd2841er_tune_s(struct dvb_frontend *fe,
3504 bool re_tune,
3505 unsigned int mode_flags,
3506 unsigned int *delay,
3507 enum fe_status *status)
3508 {
3509 int ret, carrier_offset;
3510 struct cxd2841er_priv *priv = fe->demodulator_priv;
3511 struct dtv_frontend_properties *p = &fe->dtv_property_cache;
3512
3513 dev_dbg(&priv->i2c->dev, "%s() re_tune=%d\n", __func__, re_tune);
3514 if (re_tune) {
3515 ret = cxd2841er_set_frontend_s(fe);
3516 if (ret)
3517 return ret;
3518 cxd2841er_read_status_s(fe, status);
3519 if (*status & FE_HAS_LOCK) {
3520 if (cxd2841er_get_carrier_offset_s_s2(
3521 priv, &carrier_offset))
3522 return -EINVAL;
3523 p->frequency += carrier_offset;
3524 ret = cxd2841er_set_frontend_s(fe);
3525 if (ret)
3526 return ret;
3527 }
3528 }
3529 *delay = HZ / 5;
3530 return cxd2841er_read_status_s(fe, status);
3531 }
3532
3533 static int cxd2841er_tune_tc(struct dvb_frontend *fe,
3534 bool re_tune,
3535 unsigned int mode_flags,
3536 unsigned int *delay,
3537 enum fe_status *status)
3538 {
3539 int ret, carrier_offset;
3540 struct cxd2841er_priv *priv = fe->demodulator_priv;
3541 struct dtv_frontend_properties *p = &fe->dtv_property_cache;
3542
3543 dev_dbg(&priv->i2c->dev, "%s(): re_tune %d bandwidth=%d\n", __func__,
3544 re_tune, p->bandwidth_hz);
3545 if (re_tune) {
3546 ret = cxd2841er_set_frontend_tc(fe);
3547 if (ret)
3548 return ret;
3549 cxd2841er_read_status_tc(fe, status);
3550 if (*status & FE_HAS_LOCK) {
3551 switch (priv->system) {
3552 case SYS_ISDBT:
3553 ret = cxd2841er_get_carrier_offset_i(
3554 priv, p->bandwidth_hz,
3555 &carrier_offset);
3556 if (ret)
3557 return ret;
3558 break;
3559 case SYS_DVBT:
3560 ret = cxd2841er_get_carrier_offset_t(
3561 priv, p->bandwidth_hz,
3562 &carrier_offset);
3563 if (ret)
3564 return ret;
3565 break;
3566 case SYS_DVBT2:
3567 ret = cxd2841er_get_carrier_offset_t2(
3568 priv, p->bandwidth_hz,
3569 &carrier_offset);
3570 if (ret)
3571 return ret;
3572 break;
3573 case SYS_DVBC_ANNEX_A:
3574 ret = cxd2841er_get_carrier_offset_c(
3575 priv, &carrier_offset);
3576 if (ret)
3577 return ret;
3578 break;
3579 default:
3580 dev_dbg(&priv->i2c->dev,
3581 "%s(): invalid delivery system %d\n",
3582 __func__, priv->system);
3583 return -EINVAL;
3584 }
3585 dev_dbg(&priv->i2c->dev, "%s(): carrier offset %d\n",
3586 __func__, carrier_offset);
3587 p->frequency += carrier_offset;
3588 ret = cxd2841er_set_frontend_tc(fe);
3589 if (ret)
3590 return ret;
3591 }
3592 }
3593 *delay = HZ / 5;
3594 return cxd2841er_read_status_tc(fe, status);
3595 }
3596
3597 static int cxd2841er_sleep_s(struct dvb_frontend *fe)
3598 {
3599 struct cxd2841er_priv *priv = fe->demodulator_priv;
3600
3601 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
3602 cxd2841er_active_s_to_sleep_s(fe->demodulator_priv);
3603 cxd2841er_sleep_s_to_shutdown(fe->demodulator_priv);
3604 return 0;
3605 }
3606
3607 static int cxd2841er_sleep_tc(struct dvb_frontend *fe)
3608 {
3609 struct cxd2841er_priv *priv = fe->demodulator_priv;
3610
3611 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
3612
3613 if (priv->state == STATE_ACTIVE_TC) {
3614 switch (priv->system) {
3615 case SYS_DVBT:
3616 cxd2841er_active_t_to_sleep_tc(priv);
3617 break;
3618 case SYS_DVBT2:
3619 cxd2841er_active_t2_to_sleep_tc(priv);
3620 break;
3621 case SYS_ISDBT:
3622 cxd2841er_active_i_to_sleep_tc(priv);
3623 break;
3624 case SYS_DVBC_ANNEX_A:
3625 cxd2841er_active_c_to_sleep_tc(priv);
3626 break;
3627 default:
3628 dev_warn(&priv->i2c->dev,
3629 "%s(): unknown delivery system %d\n",
3630 __func__, priv->system);
3631 }
3632 }
3633 if (priv->state != STATE_SLEEP_TC) {
3634 dev_err(&priv->i2c->dev, "%s(): invalid state %d\n",
3635 __func__, priv->state);
3636 return -EINVAL;
3637 }
3638 return 0;
3639 }
3640
3641 static int cxd2841er_shutdown_tc(struct dvb_frontend *fe)
3642 {
3643 struct cxd2841er_priv *priv = fe->demodulator_priv;
3644
3645 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
3646
3647 if (!cxd2841er_sleep_tc(fe))
3648 cxd2841er_sleep_tc_to_shutdown(priv);
3649 return 0;
3650 }
3651
3652 static int cxd2841er_send_burst(struct dvb_frontend *fe,
3653 enum fe_sec_mini_cmd burst)
3654 {
3655 u8 data;
3656 struct cxd2841er_priv *priv = fe->demodulator_priv;
3657
3658 dev_dbg(&priv->i2c->dev, "%s(): burst mode %s\n", __func__,
3659 (burst == SEC_MINI_A ? "A" : "B"));
3660 if (priv->state != STATE_SLEEP_S &&
3661 priv->state != STATE_ACTIVE_S) {
3662 dev_err(&priv->i2c->dev, "%s(): invalid demod state %d\n",
3663 __func__, priv->state);
3664 return -EINVAL;
3665 }
3666 data = (burst == SEC_MINI_A ? 0 : 1);
3667 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xbb);
3668 cxd2841er_write_reg(priv, I2C_SLVT, 0x34, 0x01);
3669 cxd2841er_write_reg(priv, I2C_SLVT, 0x35, data);
3670 return 0;
3671 }
3672
3673 static int cxd2841er_set_tone(struct dvb_frontend *fe,
3674 enum fe_sec_tone_mode tone)
3675 {
3676 u8 data;
3677 struct cxd2841er_priv *priv = fe->demodulator_priv;
3678
3679 dev_dbg(&priv->i2c->dev, "%s(): tone %s\n", __func__,
3680 (tone == SEC_TONE_ON ? "On" : "Off"));
3681 if (priv->state != STATE_SLEEP_S &&
3682 priv->state != STATE_ACTIVE_S) {
3683 dev_err(&priv->i2c->dev, "%s(): invalid demod state %d\n",
3684 __func__, priv->state);
3685 return -EINVAL;
3686 }
3687 data = (tone == SEC_TONE_ON ? 1 : 0);
3688 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xbb);
3689 cxd2841er_write_reg(priv, I2C_SLVT, 0x36, data);
3690 return 0;
3691 }
3692
3693 static int cxd2841er_send_diseqc_msg(struct dvb_frontend *fe,
3694 struct dvb_diseqc_master_cmd *cmd)
3695 {
3696 int i;
3697 u8 data[12];
3698 struct cxd2841er_priv *priv = fe->demodulator_priv;
3699
3700 if (priv->state != STATE_SLEEP_S &&
3701 priv->state != STATE_ACTIVE_S) {
3702 dev_err(&priv->i2c->dev, "%s(): invalid demod state %d\n",
3703 __func__, priv->state);
3704 return -EINVAL;
3705 }
3706 dev_dbg(&priv->i2c->dev,
3707 "%s(): cmd->len %d\n", __func__, cmd->msg_len);
3708 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xbb);
3709 /* DiDEqC enable */
3710 cxd2841er_write_reg(priv, I2C_SLVT, 0x33, 0x01);
3711 /* cmd1 length & data */
3712 cxd2841er_write_reg(priv, I2C_SLVT, 0x3d, cmd->msg_len);
3713 memset(data, 0, sizeof(data));
3714 for (i = 0; i < cmd->msg_len && i < sizeof(data); i++)
3715 data[i] = cmd->msg[i];
3716 cxd2841er_write_regs(priv, I2C_SLVT, 0x3e, data, sizeof(data));
3717 /* repeat count for cmd1 */
3718 cxd2841er_write_reg(priv, I2C_SLVT, 0x37, 1);
3719 /* repeat count for cmd2: always 0 */
3720 cxd2841er_write_reg(priv, I2C_SLVT, 0x38, 0);
3721 /* start transmit */
3722 cxd2841er_write_reg(priv, I2C_SLVT, 0x32, 0x01);
3723 /* wait for 1 sec timeout */
3724 for (i = 0; i < 50; i++) {
3725 cxd2841er_read_reg(priv, I2C_SLVT, 0x10, data);
3726 if (!data[0]) {
3727 dev_dbg(&priv->i2c->dev,
3728 "%s(): DiSEqC cmd has been sent\n", __func__);
3729 return 0;
3730 }
3731 msleep(20);
3732 }
3733 dev_dbg(&priv->i2c->dev,
3734 "%s(): DiSEqC cmd transmit timeout\n", __func__);
3735 return -ETIMEDOUT;
3736 }
3737
3738 static void cxd2841er_release(struct dvb_frontend *fe)
3739 {
3740 struct cxd2841er_priv *priv = fe->demodulator_priv;
3741
3742 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
3743 kfree(priv);
3744 }
3745
3746 static int cxd2841er_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
3747 {
3748 struct cxd2841er_priv *priv = fe->demodulator_priv;
3749
3750 dev_dbg(&priv->i2c->dev, "%s(): enable=%d\n", __func__, enable);
3751 cxd2841er_set_reg_bits(
3752 priv, I2C_SLVX, 0x8, (enable ? 0x01 : 0x00), 0x01);
3753 return 0;
3754 }
3755
3756 static enum dvbfe_algo cxd2841er_get_algo(struct dvb_frontend *fe)
3757 {
3758 struct cxd2841er_priv *priv = fe->demodulator_priv;
3759
3760 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
3761 return DVBFE_ALGO_HW;
3762 }
3763
3764 static void cxd2841er_init_stats(struct dvb_frontend *fe)
3765 {
3766 struct dtv_frontend_properties *p = &fe->dtv_property_cache;
3767
3768 p->strength.len = 1;
3769 p->strength.stat[0].scale = FE_SCALE_RELATIVE;
3770 p->cnr.len = 1;
3771 p->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
3772 p->block_error.len = 1;
3773 p->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
3774 p->post_bit_error.len = 1;
3775 p->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
3776 p->post_bit_count.len = 1;
3777 p->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
3778 }
3779
3780
3781 static int cxd2841er_init_s(struct dvb_frontend *fe)
3782 {
3783 struct cxd2841er_priv *priv = fe->demodulator_priv;
3784
3785 /* sanity. force demod to SHUTDOWN state */
3786 if (priv->state == STATE_SLEEP_S) {
3787 dev_dbg(&priv->i2c->dev, "%s() forcing sleep->shutdown\n",
3788 __func__);
3789 cxd2841er_sleep_s_to_shutdown(priv);
3790 } else if (priv->state == STATE_ACTIVE_S) {
3791 dev_dbg(&priv->i2c->dev, "%s() forcing active->sleep->shutdown\n",
3792 __func__);
3793 cxd2841er_active_s_to_sleep_s(priv);
3794 cxd2841er_sleep_s_to_shutdown(priv);
3795 }
3796
3797 dev_dbg(&priv->i2c->dev, "%s()\n", __func__);
3798 cxd2841er_shutdown_to_sleep_s(priv);
3799 /* SONY_DEMOD_CONFIG_SAT_IFAGCNEG set to 1 */
3800 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0xa0);
3801 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xb9, 0x01, 0x01);
3802
3803 cxd2841er_init_stats(fe);
3804
3805 return 0;
3806 }
3807
3808 static int cxd2841er_init_tc(struct dvb_frontend *fe)
3809 {
3810 struct cxd2841er_priv *priv = fe->demodulator_priv;
3811 struct dtv_frontend_properties *p = &fe->dtv_property_cache;
3812
3813 dev_dbg(&priv->i2c->dev, "%s() bandwidth_hz=%d\n",
3814 __func__, p->bandwidth_hz);
3815 cxd2841er_shutdown_to_sleep_tc(priv);
3816 /* SONY_DEMOD_CONFIG_IFAGCNEG = 1 (0 for NO_AGCNEG */
3817 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x10);
3818 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xcb,
3819 ((priv->flags & CXD2841ER_NO_AGCNEG) ? 0x00 : 0x40), 0x40);
3820 /* SONY_DEMOD_CONFIG_IFAGC_ADC_FS = 0 */
3821 cxd2841er_write_reg(priv, I2C_SLVT, 0xcd, 0x50);
3822 /* SONY_DEMOD_CONFIG_PARALLEL_SEL = 1 */
3823 cxd2841er_write_reg(priv, I2C_SLVT, 0x00, 0x00);
3824 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xc4,
3825 ((priv->flags & CXD2841ER_TS_SERIAL) ? 0x80 : 0x00), 0x80);
3826
3827 /* clear TSCFG bits 3+4 */
3828 if (priv->flags & CXD2841ER_TSBITS)
3829 cxd2841er_set_reg_bits(priv, I2C_SLVT, 0xc4, 0x00, 0x18);
3830
3831 cxd2841er_init_stats(fe);
3832
3833 return 0;
3834 }
3835
3836 static const struct dvb_frontend_ops cxd2841er_dvbs_s2_ops;
3837 static struct dvb_frontend_ops cxd2841er_t_c_ops;
3838
3839 static struct dvb_frontend *cxd2841er_attach(struct cxd2841er_config *cfg,
3840 struct i2c_adapter *i2c,
3841 u8 system)
3842 {
3843 u8 chip_id = 0;
3844 const char *type;
3845 const char *name;
3846 struct cxd2841er_priv *priv = NULL;
3847
3848 /* allocate memory for the internal state */
3849 priv = kzalloc(sizeof(struct cxd2841er_priv), GFP_KERNEL);
3850 if (!priv)
3851 return NULL;
3852 priv->i2c = i2c;
3853 priv->config = cfg;
3854 priv->i2c_addr_slvx = (cfg->i2c_addr + 4) >> 1;
3855 priv->i2c_addr_slvt = (cfg->i2c_addr) >> 1;
3856 priv->xtal = cfg->xtal;
3857 priv->flags = cfg->flags;
3858 priv->frontend.demodulator_priv = priv;
3859 dev_info(&priv->i2c->dev,
3860 "%s(): I2C adapter %p SLVX addr %x SLVT addr %x\n",
3861 __func__, priv->i2c,
3862 priv->i2c_addr_slvx, priv->i2c_addr_slvt);
3863 chip_id = cxd2841er_chip_id(priv);
3864 switch (chip_id) {
3865 case CXD2837ER_CHIP_ID:
3866 snprintf(cxd2841er_t_c_ops.info.name, 128,
3867 "Sony CXD2837ER DVB-T/T2/C demodulator");
3868 name = "CXD2837ER";
3869 type = "C/T/T2";
3870 break;
3871 case CXD2838ER_CHIP_ID:
3872 snprintf(cxd2841er_t_c_ops.info.name, 128,
3873 "Sony CXD2838ER ISDB-T demodulator");
3874 cxd2841er_t_c_ops.delsys[0] = SYS_ISDBT;
3875 cxd2841er_t_c_ops.delsys[1] = SYS_UNDEFINED;
3876 cxd2841er_t_c_ops.delsys[2] = SYS_UNDEFINED;
3877 name = "CXD2838ER";
3878 type = "ISDB-T";
3879 break;
3880 case CXD2841ER_CHIP_ID:
3881 snprintf(cxd2841er_t_c_ops.info.name, 128,
3882 "Sony CXD2841ER DVB-T/T2/C demodulator");
3883 name = "CXD2841ER";
3884 type = "T/T2/C/ISDB-T";
3885 break;
3886 case CXD2843ER_CHIP_ID:
3887 snprintf(cxd2841er_t_c_ops.info.name, 128,
3888 "Sony CXD2843ER DVB-T/T2/C/C2 demodulator");
3889 name = "CXD2843ER";
3890 type = "C/C2/T/T2";
3891 break;
3892 case CXD2854ER_CHIP_ID:
3893 snprintf(cxd2841er_t_c_ops.info.name, 128,
3894 "Sony CXD2854ER DVB-T/T2/C and ISDB-T demodulator");
3895 cxd2841er_t_c_ops.delsys[3] = SYS_ISDBT;
3896 name = "CXD2854ER";
3897 type = "C/C2/T/T2/ISDB-T";
3898 break;
3899 default:
3900 dev_err(&priv->i2c->dev, "%s(): invalid chip ID 0x%02x\n",
3901 __func__, chip_id);
3902 priv->frontend.demodulator_priv = NULL;
3903 kfree(priv);
3904 return NULL;
3905 }
3906
3907 /* create dvb_frontend */
3908 if (system == SYS_DVBS) {
3909 memcpy(&priv->frontend.ops,
3910 &cxd2841er_dvbs_s2_ops,
3911 sizeof(struct dvb_frontend_ops));
3912 type = "S/S2";
3913 } else {
3914 memcpy(&priv->frontend.ops,
3915 &cxd2841er_t_c_ops,
3916 sizeof(struct dvb_frontend_ops));
3917 }
3918
3919 dev_info(&priv->i2c->dev,
3920 "%s(): attaching %s DVB-%s frontend\n",
3921 __func__, name, type);
3922 dev_info(&priv->i2c->dev, "%s(): chip ID 0x%02x OK.\n",
3923 __func__, chip_id);
3924 return &priv->frontend;
3925 }
3926
3927 struct dvb_frontend *cxd2841er_attach_s(struct cxd2841er_config *cfg,
3928 struct i2c_adapter *i2c)
3929 {
3930 return cxd2841er_attach(cfg, i2c, SYS_DVBS);
3931 }
3932 EXPORT_SYMBOL(cxd2841er_attach_s);
3933
3934 struct dvb_frontend *cxd2841er_attach_t_c(struct cxd2841er_config *cfg,
3935 struct i2c_adapter *i2c)
3936 {
3937 return cxd2841er_attach(cfg, i2c, 0);
3938 }
3939 EXPORT_SYMBOL(cxd2841er_attach_t_c);
3940
3941 static const struct dvb_frontend_ops cxd2841er_dvbs_s2_ops = {
3942 .delsys = { SYS_DVBS, SYS_DVBS2 },
3943 .info = {
3944 .name = "Sony CXD2841ER DVB-S/S2 demodulator",
3945 .frequency_min = 500000,
3946 .frequency_max = 2500000,
3947 .frequency_stepsize = 0,
3948 .symbol_rate_min = 1000000,
3949 .symbol_rate_max = 45000000,
3950 .symbol_rate_tolerance = 500,
3951 .caps = FE_CAN_INVERSION_AUTO |
3952 FE_CAN_FEC_AUTO |
3953 FE_CAN_QPSK,
3954 },
3955 .init = cxd2841er_init_s,
3956 .sleep = cxd2841er_sleep_s,
3957 .release = cxd2841er_release,
3958 .set_frontend = cxd2841er_set_frontend_s,
3959 .get_frontend = cxd2841er_get_frontend,
3960 .read_status = cxd2841er_read_status_s,
3961 .i2c_gate_ctrl = cxd2841er_i2c_gate_ctrl,
3962 .get_frontend_algo = cxd2841er_get_algo,
3963 .set_tone = cxd2841er_set_tone,
3964 .diseqc_send_burst = cxd2841er_send_burst,
3965 .diseqc_send_master_cmd = cxd2841er_send_diseqc_msg,
3966 .tune = cxd2841er_tune_s
3967 };
3968
3969 static struct dvb_frontend_ops cxd2841er_t_c_ops = {
3970 .delsys = { SYS_DVBT, SYS_DVBT2, SYS_DVBC_ANNEX_A },
3971 .info = {
3972 .name = "", /* will set in attach function */
3973 .caps = FE_CAN_FEC_1_2 |
3974 FE_CAN_FEC_2_3 |
3975 FE_CAN_FEC_3_4 |
3976 FE_CAN_FEC_5_6 |
3977 FE_CAN_FEC_7_8 |
3978 FE_CAN_FEC_AUTO |
3979 FE_CAN_QPSK |
3980 FE_CAN_QAM_16 |
3981 FE_CAN_QAM_32 |
3982 FE_CAN_QAM_64 |
3983 FE_CAN_QAM_128 |
3984 FE_CAN_QAM_256 |
3985 FE_CAN_QAM_AUTO |
3986 FE_CAN_TRANSMISSION_MODE_AUTO |
3987 FE_CAN_GUARD_INTERVAL_AUTO |
3988 FE_CAN_HIERARCHY_AUTO |
3989 FE_CAN_MUTE_TS |
3990 FE_CAN_2G_MODULATION,
3991 .frequency_min = 42000000,
3992 .frequency_max = 1002000000,
3993 .symbol_rate_min = 870000,
3994 .symbol_rate_max = 11700000
3995 },
3996 .init = cxd2841er_init_tc,
3997 .sleep = cxd2841er_shutdown_tc,
3998 .release = cxd2841er_release,
3999 .set_frontend = cxd2841er_set_frontend_tc,
4000 .get_frontend = cxd2841er_get_frontend,
4001 .read_status = cxd2841er_read_status_tc,
4002 .tune = cxd2841er_tune_tc,
4003 .i2c_gate_ctrl = cxd2841er_i2c_gate_ctrl,
4004 .get_frontend_algo = cxd2841er_get_algo
4005 };
4006
4007 MODULE_DESCRIPTION("Sony CXD2837/38/41/43/54ER DVB-C/C2/T/T2/S/S2 demodulator driver");
4008 MODULE_AUTHOR("Sergey Kozlov <serjk@netup.ru>, Abylay Ospan <aospan@netup.ru>");
4009 MODULE_LICENSE("GPL");
CRIS linux kernel tree