Thomas Gleixner | c942fdd | 2019-05-27 08:55:06 +0200 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
Chris Pascoe | 780dfef | 2006-02-28 08:34:59 -0300 | [diff] [blame] | 2 | /* |
| 3 | * Driver for Zarlink DVB-T ZL10353 demodulator |
| 4 | * |
Chris Pascoe | 794604c | 2007-11-19 03:55:45 -0300 | [diff] [blame] | 5 | * Copyright (C) 2006, 2007 Christopher Pascoe <c.pascoe@itee.uq.edu.au> |
Chris Pascoe | 780dfef | 2006-02-28 08:34:59 -0300 | [diff] [blame] | 6 | */ |
| 7 | |
| 8 | #include <linux/kernel.h> |
| 9 | #include <linux/module.h> |
Chris Pascoe | 780dfef | 2006-02-28 08:34:59 -0300 | [diff] [blame] | 10 | #include <linux/init.h> |
| 11 | #include <linux/delay.h> |
| 12 | #include <linux/string.h> |
| 13 | #include <linux/slab.h> |
Chris Pascoe | 794604c | 2007-11-19 03:55:45 -0300 | [diff] [blame] | 14 | #include <asm/div64.h> |
Chris Pascoe | 780dfef | 2006-02-28 08:34:59 -0300 | [diff] [blame] | 15 | |
Mauro Carvalho Chehab | fada193 | 2017-12-28 13:03:51 -0500 | [diff] [blame] | 16 | #include <media/dvb_frontend.h> |
Chris Pascoe | 780dfef | 2006-02-28 08:34:59 -0300 | [diff] [blame] | 17 | #include "zl10353_priv.h" |
| 18 | #include "zl10353.h" |
| 19 | |
| 20 | struct zl10353_state { |
| 21 | struct i2c_adapter *i2c; |
| 22 | struct dvb_frontend frontend; |
Chris Pascoe | 780dfef | 2006-02-28 08:34:59 -0300 | [diff] [blame] | 23 | |
| 24 | struct zl10353_config config; |
Chris Pascoe | bc51471 | 2007-12-15 03:24:00 -0300 | [diff] [blame] | 25 | |
Mauro Carvalho Chehab | 4e4d2bc | 2011-12-22 21:12:28 -0300 | [diff] [blame] | 26 | u32 bandwidth; |
| 27 | u32 ucblocks; |
| 28 | u32 frequency; |
Chris Pascoe | 780dfef | 2006-02-28 08:34:59 -0300 | [diff] [blame] | 29 | }; |
| 30 | |
Antti Palosaari | f7f5777 | 2007-02-10 10:19:11 -0300 | [diff] [blame] | 31 | static int debug; |
| 32 | #define dprintk(args...) \ |
| 33 | do { \ |
| 34 | if (debug) printk(KERN_DEBUG "zl10353: " args); \ |
| 35 | } while (0) |
| 36 | |
Douglas Schilling Landgraf | ff699e6 | 2008-04-22 14:41:48 -0300 | [diff] [blame] | 37 | static int debug_regs; |
Chris Pascoe | 780dfef | 2006-02-28 08:34:59 -0300 | [diff] [blame] | 38 | |
| 39 | static int zl10353_single_write(struct dvb_frontend *fe, u8 reg, u8 val) |
| 40 | { |
| 41 | struct zl10353_state *state = fe->demodulator_priv; |
| 42 | u8 buf[2] = { reg, val }; |
| 43 | struct i2c_msg msg = { .addr = state->config.demod_address, .flags = 0, |
| 44 | .buf = buf, .len = 2 }; |
| 45 | int err = i2c_transfer(state->i2c, &msg, 1); |
| 46 | if (err != 1) { |
| 47 | printk("zl10353: write to reg %x failed (err = %d)!\n", reg, err); |
| 48 | return err; |
| 49 | } |
| 50 | return 0; |
| 51 | } |
| 52 | |
lawrence rust | 2e4e98e | 2010-08-25 09:50:20 -0300 | [diff] [blame] | 53 | static int zl10353_write(struct dvb_frontend *fe, const u8 ibuf[], int ilen) |
Chris Pascoe | 780dfef | 2006-02-28 08:34:59 -0300 | [diff] [blame] | 54 | { |
| 55 | int err, i; |
| 56 | for (i = 0; i < ilen - 1; i++) |
| 57 | if ((err = zl10353_single_write(fe, ibuf[0] + i, ibuf[i + 1]))) |
| 58 | return err; |
| 59 | |
| 60 | return 0; |
| 61 | } |
| 62 | |
| 63 | static int zl10353_read_register(struct zl10353_state *state, u8 reg) |
| 64 | { |
| 65 | int ret; |
| 66 | u8 b0[1] = { reg }; |
| 67 | u8 b1[1] = { 0 }; |
| 68 | struct i2c_msg msg[2] = { { .addr = state->config.demod_address, |
| 69 | .flags = 0, |
| 70 | .buf = b0, .len = 1 }, |
| 71 | { .addr = state->config.demod_address, |
| 72 | .flags = I2C_M_RD, |
| 73 | .buf = b1, .len = 1 } }; |
| 74 | |
| 75 | ret = i2c_transfer(state->i2c, msg, 2); |
| 76 | |
| 77 | if (ret != 2) { |
| 78 | printk("%s: readreg error (reg=%d, ret==%i)\n", |
Harvey Harrison | 271ddbf | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 79 | __func__, reg, ret); |
Chris Pascoe | 780dfef | 2006-02-28 08:34:59 -0300 | [diff] [blame] | 80 | return ret; |
| 81 | } |
| 82 | |
| 83 | return b1[0]; |
| 84 | } |
| 85 | |
Adrian Bunk | c04e89b | 2006-03-15 16:17:11 -0300 | [diff] [blame] | 86 | static void zl10353_dump_regs(struct dvb_frontend *fe) |
Chris Pascoe | 780dfef | 2006-02-28 08:34:59 -0300 | [diff] [blame] | 87 | { |
| 88 | struct zl10353_state *state = fe->demodulator_priv; |
Chris Pascoe | 780dfef | 2006-02-28 08:34:59 -0300 | [diff] [blame] | 89 | int ret; |
| 90 | u8 reg; |
| 91 | |
| 92 | /* Dump all registers. */ |
| 93 | for (reg = 0; ; reg++) { |
| 94 | if (reg % 16 == 0) { |
| 95 | if (reg) |
Jan Nikitenko | 458f9aa | 2009-06-18 08:11:57 -0300 | [diff] [blame] | 96 | printk(KERN_CONT "\n"); |
| 97 | printk(KERN_DEBUG "%02x:", reg); |
Chris Pascoe | 780dfef | 2006-02-28 08:34:59 -0300 | [diff] [blame] | 98 | } |
| 99 | ret = zl10353_read_register(state, reg); |
| 100 | if (ret >= 0) |
Jan Nikitenko | 458f9aa | 2009-06-18 08:11:57 -0300 | [diff] [blame] | 101 | printk(KERN_CONT " %02x", (u8)ret); |
Chris Pascoe | 780dfef | 2006-02-28 08:34:59 -0300 | [diff] [blame] | 102 | else |
Jan Nikitenko | 458f9aa | 2009-06-18 08:11:57 -0300 | [diff] [blame] | 103 | printk(KERN_CONT " --"); |
Chris Pascoe | 780dfef | 2006-02-28 08:34:59 -0300 | [diff] [blame] | 104 | if (reg == 0xff) |
| 105 | break; |
| 106 | } |
Jan Nikitenko | 458f9aa | 2009-06-18 08:11:57 -0300 | [diff] [blame] | 107 | printk(KERN_CONT "\n"); |
Chris Pascoe | 780dfef | 2006-02-28 08:34:59 -0300 | [diff] [blame] | 108 | } |
| 109 | |
Antti Palosaari | f7f5777 | 2007-02-10 10:19:11 -0300 | [diff] [blame] | 110 | static void zl10353_calc_nominal_rate(struct dvb_frontend *fe, |
Mauro Carvalho Chehab | 4e4d2bc | 2011-12-22 21:12:28 -0300 | [diff] [blame] | 111 | u32 bandwidth, |
Antti Palosaari | f7f5777 | 2007-02-10 10:19:11 -0300 | [diff] [blame] | 112 | u16 *nominal_rate) |
| 113 | { |
Antti Palosaari | f7f5777 | 2007-02-10 10:19:11 -0300 | [diff] [blame] | 114 | struct zl10353_state *state = fe->demodulator_priv; |
Chris Pascoe | a1dcd9d | 2007-11-20 08:17:54 -0300 | [diff] [blame] | 115 | u32 adc_clock = 450560; /* 45.056 MHz */ |
| 116 | u64 value; |
Mauro Carvalho Chehab | 4e4d2bc | 2011-12-22 21:12:28 -0300 | [diff] [blame] | 117 | u8 bw = bandwidth / 1000000; |
Antti Palosaari | f7f5777 | 2007-02-10 10:19:11 -0300 | [diff] [blame] | 118 | |
| 119 | if (state->config.adc_clock) |
| 120 | adc_clock = state->config.adc_clock; |
| 121 | |
Andrew Morton | 18ff605 | 2007-12-12 21:43:57 -0300 | [diff] [blame] | 122 | value = (u64)10 * (1 << 23) / 7 * 125; |
| 123 | value = (bw * value) + adc_clock / 2; |
Arnd Bergmann | 8a73faa | 2016-02-12 12:27:18 -0200 | [diff] [blame] | 124 | *nominal_rate = div_u64(value, adc_clock); |
Antti Palosaari | f7f5777 | 2007-02-10 10:19:11 -0300 | [diff] [blame] | 125 | |
| 126 | dprintk("%s: bw %d, adc_clock %d => 0x%x\n", |
Harvey Harrison | 271ddbf | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 127 | __func__, bw, adc_clock, *nominal_rate); |
Antti Palosaari | f7f5777 | 2007-02-10 10:19:11 -0300 | [diff] [blame] | 128 | } |
| 129 | |
Chris Pascoe | 794604c | 2007-11-19 03:55:45 -0300 | [diff] [blame] | 130 | static void zl10353_calc_input_freq(struct dvb_frontend *fe, |
| 131 | u16 *input_freq) |
| 132 | { |
| 133 | struct zl10353_state *state = fe->demodulator_priv; |
Chris Pascoe | a1dcd9d | 2007-11-20 08:17:54 -0300 | [diff] [blame] | 134 | u32 adc_clock = 450560; /* 45.056 MHz */ |
| 135 | int if2 = 361667; /* 36.1667 MHz */ |
Chris Pascoe | 794604c | 2007-11-19 03:55:45 -0300 | [diff] [blame] | 136 | int ife; |
| 137 | u64 value; |
| 138 | |
| 139 | if (state->config.adc_clock) |
| 140 | adc_clock = state->config.adc_clock; |
| 141 | if (state->config.if2) |
| 142 | if2 = state->config.if2; |
| 143 | |
| 144 | if (adc_clock >= if2 * 2) |
| 145 | ife = if2; |
| 146 | else { |
| 147 | ife = adc_clock - (if2 % adc_clock); |
| 148 | if (ife > adc_clock / 2) |
| 149 | ife = adc_clock - ife; |
| 150 | } |
Arnd Bergmann | 8a73faa | 2016-02-12 12:27:18 -0200 | [diff] [blame] | 151 | value = div_u64((u64)65536 * ife + adc_clock / 2, adc_clock); |
Chris Pascoe | 794604c | 2007-11-19 03:55:45 -0300 | [diff] [blame] | 152 | *input_freq = -value; |
| 153 | |
| 154 | dprintk("%s: if2 %d, ife %d, adc_clock %d => %d / 0x%x\n", |
Harvey Harrison | 271ddbf | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 155 | __func__, if2, ife, adc_clock, -(int)value, *input_freq); |
Chris Pascoe | 794604c | 2007-11-19 03:55:45 -0300 | [diff] [blame] | 156 | } |
| 157 | |
Chris Pascoe | 780dfef | 2006-02-28 08:34:59 -0300 | [diff] [blame] | 158 | static int zl10353_sleep(struct dvb_frontend *fe) |
| 159 | { |
| 160 | static u8 zl10353_softdown[] = { 0x50, 0x0C, 0x44 }; |
| 161 | |
| 162 | zl10353_write(fe, zl10353_softdown, sizeof(zl10353_softdown)); |
| 163 | return 0; |
| 164 | } |
| 165 | |
Mauro Carvalho Chehab | 4e4d2bc | 2011-12-22 21:12:28 -0300 | [diff] [blame] | 166 | static int zl10353_set_parameters(struct dvb_frontend *fe) |
Chris Pascoe | 780dfef | 2006-02-28 08:34:59 -0300 | [diff] [blame] | 167 | { |
Mauro Carvalho Chehab | 4e4d2bc | 2011-12-22 21:12:28 -0300 | [diff] [blame] | 168 | struct dtv_frontend_properties *c = &fe->dtv_property_cache; |
Andrew de Quincey | 8dec073 | 2006-04-18 17:47:12 -0300 | [diff] [blame] | 169 | struct zl10353_state *state = fe->demodulator_priv; |
Chris Pascoe | 794604c | 2007-11-19 03:55:45 -0300 | [diff] [blame] | 170 | u16 nominal_rate, input_freq; |
Chris Pascoe | bc51471 | 2007-12-15 03:24:00 -0300 | [diff] [blame] | 171 | u8 pllbuf[6] = { 0x67 }, acq_ctl = 0; |
| 172 | u16 tps = 0; |
Chris Pascoe | 780dfef | 2006-02-28 08:34:59 -0300 | [diff] [blame] | 173 | |
Mauro Carvalho Chehab | 4e4d2bc | 2011-12-22 21:12:28 -0300 | [diff] [blame] | 174 | state->frequency = c->frequency; |
Aleksandr V. Piskunov | decee2e | 2009-08-02 16:01:19 -0300 | [diff] [blame] | 175 | |
Chris Pascoe | bc51471 | 2007-12-15 03:24:00 -0300 | [diff] [blame] | 176 | zl10353_single_write(fe, RESET, 0x80); |
Chris Pascoe | 780dfef | 2006-02-28 08:34:59 -0300 | [diff] [blame] | 177 | udelay(200); |
| 178 | zl10353_single_write(fe, 0xEA, 0x01); |
| 179 | udelay(200); |
| 180 | zl10353_single_write(fe, 0xEA, 0x00); |
| 181 | |
Chris Pascoe | bc51471 | 2007-12-15 03:24:00 -0300 | [diff] [blame] | 182 | zl10353_single_write(fe, AGC_TARGET, 0x28); |
Antti Palosaari | f7f5777 | 2007-02-10 10:19:11 -0300 | [diff] [blame] | 183 | |
Mauro Carvalho Chehab | 4e4d2bc | 2011-12-22 21:12:28 -0300 | [diff] [blame] | 184 | if (c->transmission_mode != TRANSMISSION_MODE_AUTO) |
Chris Pascoe | bc51471 | 2007-12-15 03:24:00 -0300 | [diff] [blame] | 185 | acq_ctl |= (1 << 0); |
Mauro Carvalho Chehab | 4e4d2bc | 2011-12-22 21:12:28 -0300 | [diff] [blame] | 186 | if (c->guard_interval != GUARD_INTERVAL_AUTO) |
Chris Pascoe | bc51471 | 2007-12-15 03:24:00 -0300 | [diff] [blame] | 187 | acq_ctl |= (1 << 1); |
| 188 | zl10353_single_write(fe, ACQ_CTL, acq_ctl); |
| 189 | |
Mauro Carvalho Chehab | 4e4d2bc | 2011-12-22 21:12:28 -0300 | [diff] [blame] | 190 | switch (c->bandwidth_hz) { |
| 191 | case 6000000: |
Chris Pascoe | bc51471 | 2007-12-15 03:24:00 -0300 | [diff] [blame] | 192 | /* These are extrapolated from the 7 and 8MHz values */ |
| 193 | zl10353_single_write(fe, MCLK_RATIO, 0x97); |
| 194 | zl10353_single_write(fe, 0x64, 0x34); |
Markus Rechberger | a9dbe5d | 2008-10-24 12:15:08 -0300 | [diff] [blame] | 195 | zl10353_single_write(fe, 0xcc, 0xdd); |
Chris Pascoe | bc51471 | 2007-12-15 03:24:00 -0300 | [diff] [blame] | 196 | break; |
Mauro Carvalho Chehab | 4e4d2bc | 2011-12-22 21:12:28 -0300 | [diff] [blame] | 197 | case 7000000: |
Chris Pascoe | bc51471 | 2007-12-15 03:24:00 -0300 | [diff] [blame] | 198 | zl10353_single_write(fe, MCLK_RATIO, 0x86); |
| 199 | zl10353_single_write(fe, 0x64, 0x35); |
Markus Rechberger | a9dbe5d | 2008-10-24 12:15:08 -0300 | [diff] [blame] | 200 | zl10353_single_write(fe, 0xcc, 0x73); |
Chris Pascoe | bc51471 | 2007-12-15 03:24:00 -0300 | [diff] [blame] | 201 | break; |
Chris Pascoe | bc51471 | 2007-12-15 03:24:00 -0300 | [diff] [blame] | 202 | default: |
Mauro Carvalho Chehab | 4e4d2bc | 2011-12-22 21:12:28 -0300 | [diff] [blame] | 203 | c->bandwidth_hz = 8000000; |
Gustavo A. R. Silva | df561f66 | 2020-08-23 17:36:59 -0500 | [diff] [blame] | 204 | fallthrough; |
Mauro Carvalho Chehab | 4e4d2bc | 2011-12-22 21:12:28 -0300 | [diff] [blame] | 205 | case 8000000: |
Chris Pascoe | bc51471 | 2007-12-15 03:24:00 -0300 | [diff] [blame] | 206 | zl10353_single_write(fe, MCLK_RATIO, 0x75); |
| 207 | zl10353_single_write(fe, 0x64, 0x36); |
Markus Rechberger | a9dbe5d | 2008-10-24 12:15:08 -0300 | [diff] [blame] | 208 | zl10353_single_write(fe, 0xcc, 0x73); |
Chris Pascoe | bc51471 | 2007-12-15 03:24:00 -0300 | [diff] [blame] | 209 | } |
| 210 | |
Mauro Carvalho Chehab | 4e4d2bc | 2011-12-22 21:12:28 -0300 | [diff] [blame] | 211 | zl10353_calc_nominal_rate(fe, c->bandwidth_hz, &nominal_rate); |
Antti Palosaari | f7f5777 | 2007-02-10 10:19:11 -0300 | [diff] [blame] | 212 | zl10353_single_write(fe, TRL_NOMINAL_RATE_1, msb(nominal_rate)); |
| 213 | zl10353_single_write(fe, TRL_NOMINAL_RATE_0, lsb(nominal_rate)); |
Mauro Carvalho Chehab | 4e4d2bc | 2011-12-22 21:12:28 -0300 | [diff] [blame] | 214 | state->bandwidth = c->bandwidth_hz; |
Antti Palosaari | f7f5777 | 2007-02-10 10:19:11 -0300 | [diff] [blame] | 215 | |
Chris Pascoe | 794604c | 2007-11-19 03:55:45 -0300 | [diff] [blame] | 216 | zl10353_calc_input_freq(fe, &input_freq); |
| 217 | zl10353_single_write(fe, INPUT_FREQ_1, msb(input_freq)); |
| 218 | zl10353_single_write(fe, INPUT_FREQ_0, lsb(input_freq)); |
| 219 | |
Chris Pascoe | bc51471 | 2007-12-15 03:24:00 -0300 | [diff] [blame] | 220 | /* Hint at TPS settings */ |
Mauro Carvalho Chehab | 4e4d2bc | 2011-12-22 21:12:28 -0300 | [diff] [blame] | 221 | switch (c->code_rate_HP) { |
Chris Pascoe | bc51471 | 2007-12-15 03:24:00 -0300 | [diff] [blame] | 222 | case FEC_2_3: |
| 223 | tps |= (1 << 7); |
| 224 | break; |
| 225 | case FEC_3_4: |
| 226 | tps |= (2 << 7); |
| 227 | break; |
| 228 | case FEC_5_6: |
| 229 | tps |= (3 << 7); |
| 230 | break; |
| 231 | case FEC_7_8: |
| 232 | tps |= (4 << 7); |
| 233 | break; |
| 234 | case FEC_1_2: |
| 235 | case FEC_AUTO: |
| 236 | break; |
| 237 | default: |
| 238 | return -EINVAL; |
| 239 | } |
| 240 | |
Mauro Carvalho Chehab | 4e4d2bc | 2011-12-22 21:12:28 -0300 | [diff] [blame] | 241 | switch (c->code_rate_LP) { |
Chris Pascoe | bc51471 | 2007-12-15 03:24:00 -0300 | [diff] [blame] | 242 | case FEC_2_3: |
| 243 | tps |= (1 << 4); |
| 244 | break; |
| 245 | case FEC_3_4: |
| 246 | tps |= (2 << 4); |
| 247 | break; |
| 248 | case FEC_5_6: |
| 249 | tps |= (3 << 4); |
| 250 | break; |
| 251 | case FEC_7_8: |
| 252 | tps |= (4 << 4); |
| 253 | break; |
| 254 | case FEC_1_2: |
| 255 | case FEC_AUTO: |
| 256 | break; |
| 257 | case FEC_NONE: |
Mauro Carvalho Chehab | 4e4d2bc | 2011-12-22 21:12:28 -0300 | [diff] [blame] | 258 | if (c->hierarchy == HIERARCHY_AUTO || |
| 259 | c->hierarchy == HIERARCHY_NONE) |
Chris Pascoe | bc51471 | 2007-12-15 03:24:00 -0300 | [diff] [blame] | 260 | break; |
Gustavo A. R. Silva | df561f66 | 2020-08-23 17:36:59 -0500 | [diff] [blame] | 261 | fallthrough; |
Chris Pascoe | bc51471 | 2007-12-15 03:24:00 -0300 | [diff] [blame] | 262 | default: |
| 263 | return -EINVAL; |
| 264 | } |
| 265 | |
Mauro Carvalho Chehab | 4e4d2bc | 2011-12-22 21:12:28 -0300 | [diff] [blame] | 266 | switch (c->modulation) { |
Chris Pascoe | bc51471 | 2007-12-15 03:24:00 -0300 | [diff] [blame] | 267 | case QPSK: |
| 268 | break; |
| 269 | case QAM_AUTO: |
| 270 | case QAM_16: |
| 271 | tps |= (1 << 13); |
| 272 | break; |
| 273 | case QAM_64: |
| 274 | tps |= (2 << 13); |
| 275 | break; |
| 276 | default: |
| 277 | return -EINVAL; |
| 278 | } |
| 279 | |
Mauro Carvalho Chehab | 4e4d2bc | 2011-12-22 21:12:28 -0300 | [diff] [blame] | 280 | switch (c->transmission_mode) { |
Chris Pascoe | bc51471 | 2007-12-15 03:24:00 -0300 | [diff] [blame] | 281 | case TRANSMISSION_MODE_2K: |
| 282 | case TRANSMISSION_MODE_AUTO: |
| 283 | break; |
| 284 | case TRANSMISSION_MODE_8K: |
| 285 | tps |= (1 << 0); |
| 286 | break; |
| 287 | default: |
| 288 | return -EINVAL; |
| 289 | } |
| 290 | |
Mauro Carvalho Chehab | 4e4d2bc | 2011-12-22 21:12:28 -0300 | [diff] [blame] | 291 | switch (c->guard_interval) { |
Chris Pascoe | bc51471 | 2007-12-15 03:24:00 -0300 | [diff] [blame] | 292 | case GUARD_INTERVAL_1_32: |
| 293 | case GUARD_INTERVAL_AUTO: |
| 294 | break; |
| 295 | case GUARD_INTERVAL_1_16: |
| 296 | tps |= (1 << 2); |
| 297 | break; |
| 298 | case GUARD_INTERVAL_1_8: |
| 299 | tps |= (2 << 2); |
| 300 | break; |
| 301 | case GUARD_INTERVAL_1_4: |
| 302 | tps |= (3 << 2); |
| 303 | break; |
| 304 | default: |
| 305 | return -EINVAL; |
| 306 | } |
| 307 | |
Mauro Carvalho Chehab | 4e4d2bc | 2011-12-22 21:12:28 -0300 | [diff] [blame] | 308 | switch (c->hierarchy) { |
Chris Pascoe | bc51471 | 2007-12-15 03:24:00 -0300 | [diff] [blame] | 309 | case HIERARCHY_AUTO: |
| 310 | case HIERARCHY_NONE: |
| 311 | break; |
| 312 | case HIERARCHY_1: |
| 313 | tps |= (1 << 10); |
| 314 | break; |
| 315 | case HIERARCHY_2: |
| 316 | tps |= (2 << 10); |
| 317 | break; |
| 318 | case HIERARCHY_4: |
| 319 | tps |= (3 << 10); |
| 320 | break; |
| 321 | default: |
| 322 | return -EINVAL; |
| 323 | } |
| 324 | |
| 325 | zl10353_single_write(fe, TPS_GIVEN_1, msb(tps)); |
| 326 | zl10353_single_write(fe, TPS_GIVEN_0, lsb(tps)); |
| 327 | |
Antti Palosaari | 0a11bb8 | 2007-02-10 10:19:08 -0300 | [diff] [blame] | 328 | if (fe->ops.i2c_gate_ctrl) |
| 329 | fe->ops.i2c_gate_ctrl(fe, 0); |
Chris Pascoe | 780dfef | 2006-02-28 08:34:59 -0300 | [diff] [blame] | 330 | |
Chris Pascoe | 58d834e | 2007-11-19 03:32:06 -0300 | [diff] [blame] | 331 | /* |
| 332 | * If there is no tuner attached to the secondary I2C bus, we call |
| 333 | * set_params to program a potential tuner attached somewhere else. |
| 334 | * Otherwise, we update the PLL registers via calc_regs. |
| 335 | */ |
Andrew de Quincey | 8dec073 | 2006-04-18 17:47:12 -0300 | [diff] [blame] | 336 | if (state->config.no_tuner) { |
Patrick Boettcher | dea7486 | 2006-05-14 05:01:31 -0300 | [diff] [blame] | 337 | if (fe->ops.tuner_ops.set_params) { |
Mauro Carvalho Chehab | 14d24d1 | 2011-12-24 12:24:33 -0300 | [diff] [blame] | 338 | fe->ops.tuner_ops.set_params(fe); |
Antti Palosaari | 0a11bb8 | 2007-02-10 10:19:08 -0300 | [diff] [blame] | 339 | if (fe->ops.i2c_gate_ctrl) |
| 340 | fe->ops.i2c_gate_ctrl(fe, 0); |
Andrew de Quincey | 8dec073 | 2006-04-18 17:47:12 -0300 | [diff] [blame] | 341 | } |
Chris Pascoe | 58d834e | 2007-11-19 03:32:06 -0300 | [diff] [blame] | 342 | } else if (fe->ops.tuner_ops.calc_regs) { |
Mauro Carvalho Chehab | 249fa0b | 2011-12-24 12:03:05 -0300 | [diff] [blame] | 343 | fe->ops.tuner_ops.calc_regs(fe, pllbuf + 1, 5); |
Andrew de Quincey | e994b8d | 2006-04-18 17:47:11 -0300 | [diff] [blame] | 344 | pllbuf[1] <<= 1; |
Chris Pascoe | 58d834e | 2007-11-19 03:32:06 -0300 | [diff] [blame] | 345 | zl10353_write(fe, pllbuf, sizeof(pllbuf)); |
Andrew de Quincey | e994b8d | 2006-04-18 17:47:11 -0300 | [diff] [blame] | 346 | } |
Chris Pascoe | 780dfef | 2006-02-28 08:34:59 -0300 | [diff] [blame] | 347 | |
Chris Pascoe | fc3398d | 2006-08-10 03:17:42 -0300 | [diff] [blame] | 348 | zl10353_single_write(fe, 0x5F, 0x13); |
Chris Pascoe | 58d834e | 2007-11-19 03:32:06 -0300 | [diff] [blame] | 349 | |
| 350 | /* If no attached tuner or invalid PLL registers, just start the FSM. */ |
| 351 | if (state->config.no_tuner || fe->ops.tuner_ops.calc_regs == NULL) |
| 352 | zl10353_single_write(fe, FSM_GO, 0x01); |
| 353 | else |
| 354 | zl10353_single_write(fe, TUNER_GO, 0x01); |
| 355 | |
Chris Pascoe | bc51471 | 2007-12-15 03:24:00 -0300 | [diff] [blame] | 356 | return 0; |
| 357 | } |
| 358 | |
Mauro Carvalho Chehab | 7e3e68b | 2016-02-04 12:58:30 -0200 | [diff] [blame] | 359 | static int zl10353_get_parameters(struct dvb_frontend *fe, |
| 360 | struct dtv_frontend_properties *c) |
Chris Pascoe | bc51471 | 2007-12-15 03:24:00 -0300 | [diff] [blame] | 361 | { |
| 362 | struct zl10353_state *state = fe->demodulator_priv; |
Chris Pascoe | bc51471 | 2007-12-15 03:24:00 -0300 | [diff] [blame] | 363 | int s6, s9; |
| 364 | u16 tps; |
| 365 | static const u8 tps_fec_to_api[8] = { |
| 366 | FEC_1_2, |
| 367 | FEC_2_3, |
| 368 | FEC_3_4, |
| 369 | FEC_5_6, |
| 370 | FEC_7_8, |
| 371 | FEC_AUTO, |
| 372 | FEC_AUTO, |
| 373 | FEC_AUTO |
| 374 | }; |
| 375 | |
| 376 | s6 = zl10353_read_register(state, STATUS_6); |
| 377 | s9 = zl10353_read_register(state, STATUS_9); |
| 378 | if (s6 < 0 || s9 < 0) |
| 379 | return -EREMOTEIO; |
| 380 | if ((s6 & (1 << 5)) == 0 || (s9 & (1 << 4)) == 0) |
| 381 | return -EINVAL; /* no FE or TPS lock */ |
| 382 | |
| 383 | tps = zl10353_read_register(state, TPS_RECEIVED_1) << 8 | |
| 384 | zl10353_read_register(state, TPS_RECEIVED_0); |
| 385 | |
Mauro Carvalho Chehab | 4e4d2bc | 2011-12-22 21:12:28 -0300 | [diff] [blame] | 386 | c->code_rate_HP = tps_fec_to_api[(tps >> 7) & 7]; |
| 387 | c->code_rate_LP = tps_fec_to_api[(tps >> 4) & 7]; |
Chris Pascoe | bc51471 | 2007-12-15 03:24:00 -0300 | [diff] [blame] | 388 | |
| 389 | switch ((tps >> 13) & 3) { |
| 390 | case 0: |
Mauro Carvalho Chehab | 4e4d2bc | 2011-12-22 21:12:28 -0300 | [diff] [blame] | 391 | c->modulation = QPSK; |
Chris Pascoe | bc51471 | 2007-12-15 03:24:00 -0300 | [diff] [blame] | 392 | break; |
| 393 | case 1: |
Mauro Carvalho Chehab | 4e4d2bc | 2011-12-22 21:12:28 -0300 | [diff] [blame] | 394 | c->modulation = QAM_16; |
Chris Pascoe | bc51471 | 2007-12-15 03:24:00 -0300 | [diff] [blame] | 395 | break; |
| 396 | case 2: |
Mauro Carvalho Chehab | 4e4d2bc | 2011-12-22 21:12:28 -0300 | [diff] [blame] | 397 | c->modulation = QAM_64; |
Chris Pascoe | bc51471 | 2007-12-15 03:24:00 -0300 | [diff] [blame] | 398 | break; |
| 399 | default: |
Mauro Carvalho Chehab | 4e4d2bc | 2011-12-22 21:12:28 -0300 | [diff] [blame] | 400 | c->modulation = QAM_AUTO; |
Chris Pascoe | bc51471 | 2007-12-15 03:24:00 -0300 | [diff] [blame] | 401 | break; |
| 402 | } |
| 403 | |
Mauro Carvalho Chehab | 4e4d2bc | 2011-12-22 21:12:28 -0300 | [diff] [blame] | 404 | c->transmission_mode = (tps & 0x01) ? TRANSMISSION_MODE_8K : |
Chris Pascoe | bc51471 | 2007-12-15 03:24:00 -0300 | [diff] [blame] | 405 | TRANSMISSION_MODE_2K; |
| 406 | |
| 407 | switch ((tps >> 2) & 3) { |
| 408 | case 0: |
Mauro Carvalho Chehab | 4e4d2bc | 2011-12-22 21:12:28 -0300 | [diff] [blame] | 409 | c->guard_interval = GUARD_INTERVAL_1_32; |
Chris Pascoe | bc51471 | 2007-12-15 03:24:00 -0300 | [diff] [blame] | 410 | break; |
| 411 | case 1: |
Mauro Carvalho Chehab | 4e4d2bc | 2011-12-22 21:12:28 -0300 | [diff] [blame] | 412 | c->guard_interval = GUARD_INTERVAL_1_16; |
Chris Pascoe | bc51471 | 2007-12-15 03:24:00 -0300 | [diff] [blame] | 413 | break; |
| 414 | case 2: |
Mauro Carvalho Chehab | 4e4d2bc | 2011-12-22 21:12:28 -0300 | [diff] [blame] | 415 | c->guard_interval = GUARD_INTERVAL_1_8; |
Chris Pascoe | bc51471 | 2007-12-15 03:24:00 -0300 | [diff] [blame] | 416 | break; |
| 417 | case 3: |
Mauro Carvalho Chehab | 4e4d2bc | 2011-12-22 21:12:28 -0300 | [diff] [blame] | 418 | c->guard_interval = GUARD_INTERVAL_1_4; |
Chris Pascoe | bc51471 | 2007-12-15 03:24:00 -0300 | [diff] [blame] | 419 | break; |
| 420 | default: |
Mauro Carvalho Chehab | 4e4d2bc | 2011-12-22 21:12:28 -0300 | [diff] [blame] | 421 | c->guard_interval = GUARD_INTERVAL_AUTO; |
Chris Pascoe | bc51471 | 2007-12-15 03:24:00 -0300 | [diff] [blame] | 422 | break; |
| 423 | } |
| 424 | |
| 425 | switch ((tps >> 10) & 7) { |
| 426 | case 0: |
Mauro Carvalho Chehab | 4e4d2bc | 2011-12-22 21:12:28 -0300 | [diff] [blame] | 427 | c->hierarchy = HIERARCHY_NONE; |
Chris Pascoe | bc51471 | 2007-12-15 03:24:00 -0300 | [diff] [blame] | 428 | break; |
| 429 | case 1: |
Mauro Carvalho Chehab | 4e4d2bc | 2011-12-22 21:12:28 -0300 | [diff] [blame] | 430 | c->hierarchy = HIERARCHY_1; |
Chris Pascoe | bc51471 | 2007-12-15 03:24:00 -0300 | [diff] [blame] | 431 | break; |
| 432 | case 2: |
Mauro Carvalho Chehab | 4e4d2bc | 2011-12-22 21:12:28 -0300 | [diff] [blame] | 433 | c->hierarchy = HIERARCHY_2; |
Chris Pascoe | bc51471 | 2007-12-15 03:24:00 -0300 | [diff] [blame] | 434 | break; |
| 435 | case 3: |
Mauro Carvalho Chehab | 4e4d2bc | 2011-12-22 21:12:28 -0300 | [diff] [blame] | 436 | c->hierarchy = HIERARCHY_4; |
Chris Pascoe | bc51471 | 2007-12-15 03:24:00 -0300 | [diff] [blame] | 437 | break; |
| 438 | default: |
Mauro Carvalho Chehab | 4e4d2bc | 2011-12-22 21:12:28 -0300 | [diff] [blame] | 439 | c->hierarchy = HIERARCHY_AUTO; |
Chris Pascoe | bc51471 | 2007-12-15 03:24:00 -0300 | [diff] [blame] | 440 | break; |
| 441 | } |
| 442 | |
Mauro Carvalho Chehab | 4e4d2bc | 2011-12-22 21:12:28 -0300 | [diff] [blame] | 443 | c->frequency = state->frequency; |
| 444 | c->bandwidth_hz = state->bandwidth; |
| 445 | c->inversion = INVERSION_AUTO; |
Chris Pascoe | 780dfef | 2006-02-28 08:34:59 -0300 | [diff] [blame] | 446 | |
| 447 | return 0; |
| 448 | } |
| 449 | |
Mauro Carvalho Chehab | 0df289a | 2015-06-07 14:53:52 -0300 | [diff] [blame] | 450 | static int zl10353_read_status(struct dvb_frontend *fe, enum fe_status *status) |
Chris Pascoe | 780dfef | 2006-02-28 08:34:59 -0300 | [diff] [blame] | 451 | { |
| 452 | struct zl10353_state *state = fe->demodulator_priv; |
| 453 | int s6, s7, s8; |
| 454 | |
| 455 | if ((s6 = zl10353_read_register(state, STATUS_6)) < 0) |
| 456 | return -EREMOTEIO; |
| 457 | if ((s7 = zl10353_read_register(state, STATUS_7)) < 0) |
| 458 | return -EREMOTEIO; |
| 459 | if ((s8 = zl10353_read_register(state, STATUS_8)) < 0) |
| 460 | return -EREMOTEIO; |
| 461 | |
| 462 | *status = 0; |
| 463 | if (s6 & (1 << 2)) |
| 464 | *status |= FE_HAS_CARRIER; |
| 465 | if (s6 & (1 << 1)) |
| 466 | *status |= FE_HAS_VITERBI; |
| 467 | if (s6 & (1 << 5)) |
| 468 | *status |= FE_HAS_LOCK; |
| 469 | if (s7 & (1 << 4)) |
| 470 | *status |= FE_HAS_SYNC; |
| 471 | if (s8 & (1 << 6)) |
| 472 | *status |= FE_HAS_SIGNAL; |
| 473 | |
| 474 | if ((*status & (FE_HAS_CARRIER | FE_HAS_VITERBI | FE_HAS_SYNC)) != |
| 475 | (FE_HAS_CARRIER | FE_HAS_VITERBI | FE_HAS_SYNC)) |
| 476 | *status &= ~FE_HAS_LOCK; |
| 477 | |
| 478 | return 0; |
| 479 | } |
| 480 | |
Chris Pascoe | 67b60aa | 2007-02-10 10:17:57 -0300 | [diff] [blame] | 481 | static int zl10353_read_ber(struct dvb_frontend *fe, u32 *ber) |
| 482 | { |
| 483 | struct zl10353_state *state = fe->demodulator_priv; |
| 484 | |
Chris Pascoe | 6345f0f | 2007-02-10 10:19:16 -0300 | [diff] [blame] | 485 | *ber = zl10353_read_register(state, RS_ERR_CNT_2) << 16 | |
| 486 | zl10353_read_register(state, RS_ERR_CNT_1) << 8 | |
| 487 | zl10353_read_register(state, RS_ERR_CNT_0); |
Chris Pascoe | 67b60aa | 2007-02-10 10:17:57 -0300 | [diff] [blame] | 488 | |
| 489 | return 0; |
| 490 | } |
| 491 | |
| 492 | static int zl10353_read_signal_strength(struct dvb_frontend *fe, u16 *strength) |
| 493 | { |
| 494 | struct zl10353_state *state = fe->demodulator_priv; |
| 495 | |
Chris Pascoe | 6345f0f | 2007-02-10 10:19:16 -0300 | [diff] [blame] | 496 | u16 signal = zl10353_read_register(state, AGC_GAIN_1) << 10 | |
| 497 | zl10353_read_register(state, AGC_GAIN_0) << 2 | 3; |
Chris Pascoe | 67b60aa | 2007-02-10 10:17:57 -0300 | [diff] [blame] | 498 | |
| 499 | *strength = ~signal; |
| 500 | |
| 501 | return 0; |
| 502 | } |
| 503 | |
Chris Pascoe | 780dfef | 2006-02-28 08:34:59 -0300 | [diff] [blame] | 504 | static int zl10353_read_snr(struct dvb_frontend *fe, u16 *snr) |
| 505 | { |
| 506 | struct zl10353_state *state = fe->demodulator_priv; |
| 507 | u8 _snr; |
| 508 | |
| 509 | if (debug_regs) |
| 510 | zl10353_dump_regs(fe); |
| 511 | |
| 512 | _snr = zl10353_read_register(state, SNR); |
Antti Palosaari | 13c6a9f | 2012-05-15 19:48:40 -0300 | [diff] [blame] | 513 | *snr = 10 * _snr / 8; |
Chris Pascoe | 780dfef | 2006-02-28 08:34:59 -0300 | [diff] [blame] | 514 | |
| 515 | return 0; |
| 516 | } |
| 517 | |
Chris Pascoe | 67b60aa | 2007-02-10 10:17:57 -0300 | [diff] [blame] | 518 | static int zl10353_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks) |
| 519 | { |
| 520 | struct zl10353_state *state = fe->demodulator_priv; |
Mauro Carvalho Chehab | 2267d2d | 2015-04-29 09:42:43 -0300 | [diff] [blame] | 521 | u32 ubl = 0; |
Chris Pascoe | 67b60aa | 2007-02-10 10:17:57 -0300 | [diff] [blame] | 522 | |
Mauro Carvalho Chehab | 2267d2d | 2015-04-29 09:42:43 -0300 | [diff] [blame] | 523 | ubl = zl10353_read_register(state, RS_UBC_1) << 8 | |
| 524 | zl10353_read_register(state, RS_UBC_0); |
Aleksandr V. Piskunov | decee2e | 2009-08-02 16:01:19 -0300 | [diff] [blame] | 525 | |
Mauro Carvalho Chehab | 2267d2d | 2015-04-29 09:42:43 -0300 | [diff] [blame] | 526 | state->ucblocks += ubl; |
| 527 | *ucblocks = state->ucblocks; |
Chris Pascoe | 67b60aa | 2007-02-10 10:17:57 -0300 | [diff] [blame] | 528 | |
| 529 | return 0; |
| 530 | } |
| 531 | |
Chris Pascoe | 780dfef | 2006-02-28 08:34:59 -0300 | [diff] [blame] | 532 | static int zl10353_get_tune_settings(struct dvb_frontend *fe, |
| 533 | struct dvb_frontend_tune_settings |
| 534 | *fe_tune_settings) |
| 535 | { |
| 536 | fe_tune_settings->min_delay_ms = 1000; |
| 537 | fe_tune_settings->step_size = 0; |
| 538 | fe_tune_settings->max_drift = 0; |
| 539 | |
| 540 | return 0; |
| 541 | } |
| 542 | |
| 543 | static int zl10353_init(struct dvb_frontend *fe) |
| 544 | { |
| 545 | struct zl10353_state *state = fe->demodulator_priv; |
| 546 | u8 zl10353_reset_attach[6] = { 0x50, 0x03, 0x64, 0x46, 0x15, 0x0F }; |
Chris Pascoe | 780dfef | 2006-02-28 08:34:59 -0300 | [diff] [blame] | 547 | |
| 548 | if (debug_regs) |
| 549 | zl10353_dump_regs(fe); |
Chris Pascoe | 8fb9578 | 2006-08-10 03:17:16 -0300 | [diff] [blame] | 550 | if (state->config.parallel_ts) |
| 551 | zl10353_reset_attach[2] &= ~0x20; |
Antti Palosaari | 378a279 | 2009-03-25 16:48:15 -0300 | [diff] [blame] | 552 | if (state->config.clock_ctl_1) |
| 553 | zl10353_reset_attach[3] = state->config.clock_ctl_1; |
| 554 | if (state->config.pll_0) |
| 555 | zl10353_reset_attach[4] = state->config.pll_0; |
Chris Pascoe | 780dfef | 2006-02-28 08:34:59 -0300 | [diff] [blame] | 556 | |
| 557 | /* Do a "hard" reset if not already done */ |
Chris Pascoe | 8fb9578 | 2006-08-10 03:17:16 -0300 | [diff] [blame] | 558 | if (zl10353_read_register(state, 0x50) != zl10353_reset_attach[1] || |
| 559 | zl10353_read_register(state, 0x51) != zl10353_reset_attach[2]) { |
Hans Verkuil | fdf07b0 | 2012-04-20 08:04:48 -0300 | [diff] [blame] | 560 | zl10353_write(fe, zl10353_reset_attach, |
Chris Pascoe | 780dfef | 2006-02-28 08:34:59 -0300 | [diff] [blame] | 561 | sizeof(zl10353_reset_attach)); |
| 562 | if (debug_regs) |
| 563 | zl10353_dump_regs(fe); |
| 564 | } |
| 565 | |
| 566 | return 0; |
| 567 | } |
| 568 | |
Antti Palosaari | 0a11bb8 | 2007-02-10 10:19:08 -0300 | [diff] [blame] | 569 | static int zl10353_i2c_gate_ctrl(struct dvb_frontend* fe, int enable) |
| 570 | { |
Dmitri Belimov | 899a6f6 | 2008-12-23 03:50:09 -0300 | [diff] [blame] | 571 | struct zl10353_state *state = fe->demodulator_priv; |
Antti Palosaari | 0a11bb8 | 2007-02-10 10:19:08 -0300 | [diff] [blame] | 572 | u8 val = 0x0a; |
| 573 | |
Antti Palosaari | 5f77af9 | 2009-03-10 13:06:40 -0300 | [diff] [blame] | 574 | if (state->config.disable_i2c_gate_ctrl) { |
Dmitri Belimov | 899a6f6 | 2008-12-23 03:50:09 -0300 | [diff] [blame] | 575 | /* No tuner attached to the internal I2C bus */ |
| 576 | /* If set enable I2C bridge, the main I2C bus stopped hardly */ |
| 577 | return 0; |
| 578 | } |
| 579 | |
Antti Palosaari | 0a11bb8 | 2007-02-10 10:19:08 -0300 | [diff] [blame] | 580 | if (enable) |
| 581 | val |= 0x10; |
| 582 | |
| 583 | return zl10353_single_write(fe, 0x62, val); |
| 584 | } |
| 585 | |
Chris Pascoe | 780dfef | 2006-02-28 08:34:59 -0300 | [diff] [blame] | 586 | static void zl10353_release(struct dvb_frontend *fe) |
| 587 | { |
| 588 | struct zl10353_state *state = fe->demodulator_priv; |
Chris Pascoe | 780dfef | 2006-02-28 08:34:59 -0300 | [diff] [blame] | 589 | kfree(state); |
| 590 | } |
| 591 | |
Max Kellermann | bd336e6 | 2016-08-09 18:32:21 -0300 | [diff] [blame] | 592 | static const struct dvb_frontend_ops zl10353_ops; |
Chris Pascoe | 780dfef | 2006-02-28 08:34:59 -0300 | [diff] [blame] | 593 | |
| 594 | struct dvb_frontend *zl10353_attach(const struct zl10353_config *config, |
| 595 | struct i2c_adapter *i2c) |
| 596 | { |
| 597 | struct zl10353_state *state = NULL; |
Antti Palosaari | 378a279 | 2009-03-25 16:48:15 -0300 | [diff] [blame] | 598 | int id; |
Chris Pascoe | 780dfef | 2006-02-28 08:34:59 -0300 | [diff] [blame] | 599 | |
| 600 | /* allocate memory for the internal state */ |
| 601 | state = kzalloc(sizeof(struct zl10353_state), GFP_KERNEL); |
| 602 | if (state == NULL) |
| 603 | goto error; |
| 604 | |
| 605 | /* setup the state */ |
| 606 | state->i2c = i2c; |
| 607 | memcpy(&state->config, config, sizeof(struct zl10353_config)); |
Chris Pascoe | 780dfef | 2006-02-28 08:34:59 -0300 | [diff] [blame] | 608 | |
| 609 | /* check if the demod is there */ |
Antti Palosaari | 378a279 | 2009-03-25 16:48:15 -0300 | [diff] [blame] | 610 | id = zl10353_read_register(state, CHIP_ID); |
| 611 | if ((id != ID_ZL10353) && (id != ID_CE6230) && (id != ID_CE6231)) |
Chris Pascoe | 780dfef | 2006-02-28 08:34:59 -0300 | [diff] [blame] | 612 | goto error; |
| 613 | |
| 614 | /* create dvb_frontend */ |
Patrick Boettcher | dea7486 | 2006-05-14 05:01:31 -0300 | [diff] [blame] | 615 | memcpy(&state->frontend.ops, &zl10353_ops, sizeof(struct dvb_frontend_ops)); |
Chris Pascoe | 780dfef | 2006-02-28 08:34:59 -0300 | [diff] [blame] | 616 | state->frontend.demodulator_priv = state; |
| 617 | |
| 618 | return &state->frontend; |
| 619 | error: |
| 620 | kfree(state); |
| 621 | return NULL; |
| 622 | } |
| 623 | |
Max Kellermann | bd336e6 | 2016-08-09 18:32:21 -0300 | [diff] [blame] | 624 | static const struct dvb_frontend_ops zl10353_ops = { |
Mauro Carvalho Chehab | 4e4d2bc | 2011-12-22 21:12:28 -0300 | [diff] [blame] | 625 | .delsys = { SYS_DVBT }, |
Chris Pascoe | 780dfef | 2006-02-28 08:34:59 -0300 | [diff] [blame] | 626 | .info = { |
| 627 | .name = "Zarlink ZL10353 DVB-T", |
Mauro Carvalho Chehab | f1b1eab | 2018-07-05 18:59:36 -0400 | [diff] [blame] | 628 | .frequency_min_hz = 174 * MHz, |
| 629 | .frequency_max_hz = 862 * MHz, |
| 630 | .frequency_stepsize_hz = 166667, |
Chris Pascoe | 780dfef | 2006-02-28 08:34:59 -0300 | [diff] [blame] | 631 | .caps = FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | |
| 632 | FE_CAN_FEC_3_4 | FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | |
| 633 | FE_CAN_FEC_AUTO | |
| 634 | FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 | FE_CAN_QAM_AUTO | |
| 635 | FE_CAN_TRANSMISSION_MODE_AUTO | FE_CAN_GUARD_INTERVAL_AUTO | |
| 636 | FE_CAN_HIERARCHY_AUTO | FE_CAN_RECOVER | |
| 637 | FE_CAN_MUTE_TS |
| 638 | }, |
| 639 | |
| 640 | .release = zl10353_release, |
| 641 | |
| 642 | .init = zl10353_init, |
| 643 | .sleep = zl10353_sleep, |
Antti Palosaari | 0a11bb8 | 2007-02-10 10:19:08 -0300 | [diff] [blame] | 644 | .i2c_gate_ctrl = zl10353_i2c_gate_ctrl, |
Andrew de Quincey | c10d14d | 2006-08-08 09:10:08 -0300 | [diff] [blame] | 645 | .write = zl10353_write, |
Chris Pascoe | 780dfef | 2006-02-28 08:34:59 -0300 | [diff] [blame] | 646 | |
Mauro Carvalho Chehab | 4e4d2bc | 2011-12-22 21:12:28 -0300 | [diff] [blame] | 647 | .set_frontend = zl10353_set_parameters, |
| 648 | .get_frontend = zl10353_get_parameters, |
Chris Pascoe | 780dfef | 2006-02-28 08:34:59 -0300 | [diff] [blame] | 649 | .get_tune_settings = zl10353_get_tune_settings, |
| 650 | |
| 651 | .read_status = zl10353_read_status, |
Chris Pascoe | 67b60aa | 2007-02-10 10:17:57 -0300 | [diff] [blame] | 652 | .read_ber = zl10353_read_ber, |
| 653 | .read_signal_strength = zl10353_read_signal_strength, |
Chris Pascoe | 780dfef | 2006-02-28 08:34:59 -0300 | [diff] [blame] | 654 | .read_snr = zl10353_read_snr, |
Chris Pascoe | 67b60aa | 2007-02-10 10:17:57 -0300 | [diff] [blame] | 655 | .read_ucblocks = zl10353_read_ucblocks, |
Chris Pascoe | 780dfef | 2006-02-28 08:34:59 -0300 | [diff] [blame] | 656 | }; |
| 657 | |
Antti Palosaari | f7f5777 | 2007-02-10 10:19:11 -0300 | [diff] [blame] | 658 | module_param(debug, int, 0644); |
| 659 | MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off)."); |
| 660 | |
Chris Pascoe | 780dfef | 2006-02-28 08:34:59 -0300 | [diff] [blame] | 661 | module_param(debug_regs, int, 0644); |
| 662 | MODULE_PARM_DESC(debug_regs, "Turn on/off frontend register dumps (default:off)."); |
| 663 | |
| 664 | MODULE_DESCRIPTION("Zarlink ZL10353 DVB-T demodulator driver"); |
| 665 | MODULE_AUTHOR("Chris Pascoe"); |
| 666 | MODULE_LICENSE("GPL"); |
| 667 | |
Greg Kroah-Hartman | 86495af | 2023-09-08 10:20:36 +0100 | [diff] [blame] | 668 | EXPORT_SYMBOL_GPL(zl10353_attach); |