Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1 | /* |
Antti Palosaari | c89f66f | 2010-06-17 21:19:13 -0300 | [diff] [blame] | 2 | * Afatech AF9013 demodulator driver |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 3 | * |
| 4 | * Copyright (C) 2007 Antti Palosaari <crope@iki.fi> |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 5 | * Copyright (C) 2011 Antti Palosaari <crope@iki.fi> |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 6 | * |
| 7 | * Thanks to Afatech who kindly provided information. |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License as published by |
| 11 | * the Free Software Foundation; either version 2 of the License, or |
| 12 | * (at your option) any later version. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License |
| 20 | * along with this program; if not, write to the Free Software |
| 21 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 22 | * |
| 23 | */ |
| 24 | |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 25 | #include "af9013_priv.h" |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 26 | |
Mauro Carvalho Chehab | 37ebaf6 | 2013-11-02 05:11:47 -0300 | [diff] [blame] | 27 | /* Max transfer size done by I2C transfer functions */ |
| 28 | #define MAX_XFER_SIZE 64 |
| 29 | |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 30 | struct af9013_state { |
| 31 | struct i2c_adapter *i2c; |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 32 | struct dvb_frontend fe; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 33 | struct af9013_config config; |
| 34 | |
Antti Palosaari | 9e35cd2 | 2010-10-07 16:34:55 -0300 | [diff] [blame] | 35 | /* tuner/demod RF and IF AGC limits used for signal strength calc */ |
| 36 | u8 signal_strength_en, rf_50, rf_80, if_50, if_80; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 37 | u16 signal_strength; |
| 38 | u32 ber; |
| 39 | u32 ucblocks; |
| 40 | u16 snr; |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 41 | u32 bandwidth_hz; |
Mauro Carvalho Chehab | 0df289a | 2015-06-07 14:53:52 -0300 | [diff] [blame] | 42 | enum fe_status fe_status; |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 43 | unsigned long set_frontend_jiffies; |
| 44 | unsigned long read_status_jiffies; |
| 45 | bool first_tune; |
| 46 | bool i2c_gate_state; |
| 47 | unsigned int statistics_step:3; |
| 48 | struct delayed_work statistics_work; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 49 | }; |
| 50 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 51 | /* write multiple registers */ |
| 52 | static int af9013_wr_regs_i2c(struct af9013_state *priv, u8 mbox, u16 reg, |
| 53 | const u8 *val, int len) |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 54 | { |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 55 | int ret; |
Mauro Carvalho Chehab | 37ebaf6 | 2013-11-02 05:11:47 -0300 | [diff] [blame] | 56 | u8 buf[MAX_XFER_SIZE]; |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 57 | struct i2c_msg msg[1] = { |
| 58 | { |
| 59 | .addr = priv->config.i2c_addr, |
| 60 | .flags = 0, |
Mauro Carvalho Chehab | 37ebaf6 | 2013-11-02 05:11:47 -0300 | [diff] [blame] | 61 | .len = 3 + len, |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 62 | .buf = buf, |
| 63 | } |
| 64 | }; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 65 | |
Mauro Carvalho Chehab | 37ebaf6 | 2013-11-02 05:11:47 -0300 | [diff] [blame] | 66 | if (3 + len > sizeof(buf)) { |
| 67 | dev_warn(&priv->i2c->dev, |
| 68 | "%s: i2c wr reg=%04x: len=%d is too big!\n", |
| 69 | KBUILD_MODNAME, reg, len); |
| 70 | return -EINVAL; |
| 71 | } |
| 72 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 73 | buf[0] = (reg >> 8) & 0xff; |
| 74 | buf[1] = (reg >> 0) & 0xff; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 75 | buf[2] = mbox; |
| 76 | memcpy(&buf[3], val, len); |
| 77 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 78 | ret = i2c_transfer(priv->i2c, msg, 1); |
| 79 | if (ret == 1) { |
| 80 | ret = 0; |
| 81 | } else { |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 82 | dev_warn(&priv->i2c->dev, "%s: i2c wr failed=%d reg=%04x " \ |
| 83 | "len=%d\n", KBUILD_MODNAME, ret, reg, len); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 84 | ret = -EREMOTEIO; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 85 | } |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 86 | return ret; |
| 87 | } |
| 88 | |
| 89 | /* read multiple registers */ |
| 90 | static int af9013_rd_regs_i2c(struct af9013_state *priv, u8 mbox, u16 reg, |
| 91 | u8 *val, int len) |
| 92 | { |
| 93 | int ret; |
| 94 | u8 buf[3]; |
| 95 | struct i2c_msg msg[2] = { |
| 96 | { |
| 97 | .addr = priv->config.i2c_addr, |
| 98 | .flags = 0, |
| 99 | .len = 3, |
| 100 | .buf = buf, |
| 101 | }, { |
| 102 | .addr = priv->config.i2c_addr, |
| 103 | .flags = I2C_M_RD, |
| 104 | .len = len, |
| 105 | .buf = val, |
| 106 | } |
| 107 | }; |
| 108 | |
| 109 | buf[0] = (reg >> 8) & 0xff; |
| 110 | buf[1] = (reg >> 0) & 0xff; |
| 111 | buf[2] = mbox; |
| 112 | |
| 113 | ret = i2c_transfer(priv->i2c, msg, 2); |
| 114 | if (ret == 2) { |
| 115 | ret = 0; |
| 116 | } else { |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 117 | dev_warn(&priv->i2c->dev, "%s: i2c rd failed=%d reg=%04x " \ |
| 118 | "len=%d\n", KBUILD_MODNAME, ret, reg, len); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 119 | ret = -EREMOTEIO; |
| 120 | } |
| 121 | return ret; |
| 122 | } |
| 123 | |
| 124 | /* write multiple registers */ |
| 125 | static int af9013_wr_regs(struct af9013_state *priv, u16 reg, const u8 *val, |
| 126 | int len) |
| 127 | { |
| 128 | int ret, i; |
| 129 | u8 mbox = (0 << 7)|(0 << 6)|(1 << 1)|(1 << 0); |
| 130 | |
Dan Carpenter | 938ca36 | 2012-01-05 02:23:28 -0300 | [diff] [blame] | 131 | if ((priv->config.ts_mode == AF9013_TS_USB) && |
| 132 | ((reg & 0xff00) != 0xff00) && ((reg & 0xff00) != 0xae00)) { |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 133 | mbox |= ((len - 1) << 2); |
| 134 | ret = af9013_wr_regs_i2c(priv, mbox, reg, val, len); |
| 135 | } else { |
| 136 | for (i = 0; i < len; i++) { |
| 137 | ret = af9013_wr_regs_i2c(priv, mbox, reg+i, val+i, 1); |
| 138 | if (ret) |
| 139 | goto err; |
| 140 | } |
| 141 | } |
| 142 | |
| 143 | err: |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 144 | return 0; |
| 145 | } |
| 146 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 147 | /* read multiple registers */ |
| 148 | static int af9013_rd_regs(struct af9013_state *priv, u16 reg, u8 *val, int len) |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 149 | { |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 150 | int ret, i; |
| 151 | u8 mbox = (0 << 7)|(0 << 6)|(1 << 1)|(0 << 0); |
| 152 | |
Dan Carpenter | 938ca36 | 2012-01-05 02:23:28 -0300 | [diff] [blame] | 153 | if ((priv->config.ts_mode == AF9013_TS_USB) && |
| 154 | ((reg & 0xff00) != 0xff00) && ((reg & 0xff00) != 0xae00)) { |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 155 | mbox |= ((len - 1) << 2); |
| 156 | ret = af9013_rd_regs_i2c(priv, mbox, reg, val, len); |
| 157 | } else { |
| 158 | for (i = 0; i < len; i++) { |
| 159 | ret = af9013_rd_regs_i2c(priv, mbox, reg+i, val+i, 1); |
| 160 | if (ret) |
| 161 | goto err; |
| 162 | } |
| 163 | } |
| 164 | |
| 165 | err: |
| 166 | return 0; |
| 167 | } |
| 168 | |
| 169 | /* write single register */ |
| 170 | static int af9013_wr_reg(struct af9013_state *priv, u16 reg, u8 val) |
| 171 | { |
| 172 | return af9013_wr_regs(priv, reg, &val, 1); |
| 173 | } |
| 174 | |
| 175 | /* read single register */ |
| 176 | static int af9013_rd_reg(struct af9013_state *priv, u16 reg, u8 *val) |
| 177 | { |
| 178 | return af9013_rd_regs(priv, reg, val, 1); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 179 | } |
| 180 | |
| 181 | static int af9013_write_ofsm_regs(struct af9013_state *state, u16 reg, u8 *val, |
| 182 | u8 len) |
| 183 | { |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 184 | u8 mbox = (1 << 7)|(1 << 6)|((len - 1) << 2)|(1 << 1)|(1 << 0); |
| 185 | return af9013_wr_regs_i2c(state, mbox, reg, val, len); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 186 | } |
| 187 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 188 | static int af9013_wr_reg_bits(struct af9013_state *state, u16 reg, int pos, |
| 189 | int len, u8 val) |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 190 | { |
| 191 | int ret; |
| 192 | u8 tmp, mask; |
| 193 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 194 | /* no need for read if whole reg is written */ |
| 195 | if (len != 8) { |
| 196 | ret = af9013_rd_reg(state, reg, &tmp); |
| 197 | if (ret) |
| 198 | return ret; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 199 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 200 | mask = (0xff >> (8 - len)) << pos; |
| 201 | val <<= pos; |
| 202 | tmp &= ~mask; |
| 203 | val |= tmp; |
| 204 | } |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 205 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 206 | return af9013_wr_reg(state, reg, val); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 207 | } |
| 208 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 209 | static int af9013_rd_reg_bits(struct af9013_state *state, u16 reg, int pos, |
| 210 | int len, u8 *val) |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 211 | { |
| 212 | int ret; |
| 213 | u8 tmp; |
| 214 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 215 | ret = af9013_rd_reg(state, reg, &tmp); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 216 | if (ret) |
| 217 | return ret; |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 218 | |
| 219 | *val = (tmp >> pos); |
| 220 | *val &= (0xff >> (8 - len)); |
| 221 | |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 222 | return 0; |
| 223 | } |
| 224 | |
| 225 | static int af9013_set_gpio(struct af9013_state *state, u8 gpio, u8 gpioval) |
| 226 | { |
| 227 | int ret; |
| 228 | u8 pos; |
| 229 | u16 addr; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 230 | |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 231 | dev_dbg(&state->i2c->dev, "%s: gpio=%d gpioval=%02x\n", |
| 232 | __func__, gpio, gpioval); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 233 | |
| 234 | /* |
| 235 | * GPIO0 & GPIO1 0xd735 |
| 236 | * GPIO2 & GPIO3 0xd736 |
| 237 | */ |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 238 | |
| 239 | switch (gpio) { |
| 240 | case 0: |
| 241 | case 1: |
| 242 | addr = 0xd735; |
| 243 | break; |
| 244 | case 2: |
| 245 | case 3: |
| 246 | addr = 0xd736; |
| 247 | break; |
| 248 | |
| 249 | default: |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 250 | dev_err(&state->i2c->dev, "%s: invalid gpio=%d\n", |
| 251 | KBUILD_MODNAME, gpio); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 252 | ret = -EINVAL; |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 253 | goto err; |
Peter Senna Tschudin | c2c1b41 | 2012-09-28 05:37:22 -0300 | [diff] [blame] | 254 | } |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 255 | |
| 256 | switch (gpio) { |
| 257 | case 0: |
| 258 | case 2: |
| 259 | pos = 0; |
| 260 | break; |
| 261 | case 1: |
| 262 | case 3: |
| 263 | default: |
| 264 | pos = 4; |
| 265 | break; |
Peter Senna Tschudin | c2c1b41 | 2012-09-28 05:37:22 -0300 | [diff] [blame] | 266 | } |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 267 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 268 | ret = af9013_wr_reg_bits(state, addr, pos, 4, gpioval); |
| 269 | if (ret) |
| 270 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 271 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 272 | return ret; |
| 273 | err: |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 274 | dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 275 | return ret; |
| 276 | } |
| 277 | |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 278 | static u32 af9013_div(struct af9013_state *state, u32 a, u32 b, u32 x) |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 279 | { |
| 280 | u32 r = 0, c = 0, i; |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 281 | |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 282 | dev_dbg(&state->i2c->dev, "%s: a=%d b=%d x=%d\n", __func__, a, b, x); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 283 | |
| 284 | if (a > b) { |
| 285 | c = a / b; |
| 286 | a = a - c * b; |
| 287 | } |
| 288 | |
| 289 | for (i = 0; i < x; i++) { |
| 290 | if (a >= b) { |
| 291 | r += 1; |
| 292 | a -= b; |
| 293 | } |
| 294 | a <<= 1; |
| 295 | r <<= 1; |
| 296 | } |
| 297 | r = (c << (u32)x) + r; |
| 298 | |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 299 | dev_dbg(&state->i2c->dev, "%s: a=%d b=%d x=%d r=%d r=%x\n", |
| 300 | __func__, a, b, x, r, r); |
| 301 | |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 302 | return r; |
| 303 | } |
| 304 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 305 | static int af9013_power_ctrl(struct af9013_state *state, u8 onoff) |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 306 | { |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 307 | int ret, i; |
| 308 | u8 tmp; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 309 | |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 310 | dev_dbg(&state->i2c->dev, "%s: onoff=%d\n", __func__, onoff); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 311 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 312 | /* enable reset */ |
| 313 | ret = af9013_wr_reg_bits(state, 0xd417, 4, 1, 1); |
| 314 | if (ret) |
| 315 | goto err; |
Antti Palosaari | 9b22edd | 2010-09-12 20:48:58 -0300 | [diff] [blame] | 316 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 317 | /* start reset mechanism */ |
| 318 | ret = af9013_wr_reg(state, 0xaeff, 1); |
| 319 | if (ret) |
| 320 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 321 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 322 | /* wait reset performs */ |
| 323 | for (i = 0; i < 150; i++) { |
| 324 | ret = af9013_rd_reg_bits(state, 0xd417, 1, 1, &tmp); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 325 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 326 | goto err; |
| 327 | |
| 328 | if (tmp) |
| 329 | break; /* reset done */ |
| 330 | |
| 331 | usleep_range(5000, 25000); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 332 | } |
| 333 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 334 | if (!tmp) |
| 335 | return -ETIMEDOUT; |
| 336 | |
| 337 | if (onoff) { |
| 338 | /* clear reset */ |
| 339 | ret = af9013_wr_reg_bits(state, 0xd417, 1, 1, 0); |
| 340 | if (ret) |
| 341 | goto err; |
| 342 | |
| 343 | /* disable reset */ |
| 344 | ret = af9013_wr_reg_bits(state, 0xd417, 4, 1, 0); |
| 345 | |
| 346 | /* power on */ |
| 347 | ret = af9013_wr_reg_bits(state, 0xd73a, 3, 1, 0); |
| 348 | } else { |
| 349 | /* power off */ |
| 350 | ret = af9013_wr_reg_bits(state, 0xd73a, 3, 1, 1); |
| 351 | } |
| 352 | |
| 353 | return ret; |
| 354 | err: |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 355 | dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 356 | return ret; |
| 357 | } |
| 358 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 359 | static int af9013_statistics_ber_unc_start(struct dvb_frontend *fe) |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 360 | { |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 361 | struct af9013_state *state = fe->demodulator_priv; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 362 | int ret; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 363 | |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 364 | dev_dbg(&state->i2c->dev, "%s:\n", __func__); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 365 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 366 | /* reset and start BER counter */ |
| 367 | ret = af9013_wr_reg_bits(state, 0xd391, 4, 1, 1); |
| 368 | if (ret) |
| 369 | goto err; |
| 370 | |
| 371 | return ret; |
| 372 | err: |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 373 | dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 374 | return ret; |
| 375 | } |
| 376 | |
| 377 | static int af9013_statistics_ber_unc_result(struct dvb_frontend *fe) |
| 378 | { |
| 379 | struct af9013_state *state = fe->demodulator_priv; |
| 380 | int ret; |
| 381 | u8 buf[5]; |
| 382 | |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 383 | dev_dbg(&state->i2c->dev, "%s:\n", __func__); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 384 | |
| 385 | /* check if error bit count is ready */ |
| 386 | ret = af9013_rd_reg_bits(state, 0xd391, 4, 1, &buf[0]); |
| 387 | if (ret) |
| 388 | goto err; |
| 389 | |
| 390 | if (!buf[0]) { |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 391 | dev_dbg(&state->i2c->dev, "%s: not ready\n", __func__); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 392 | return 0; |
| 393 | } |
| 394 | |
| 395 | ret = af9013_rd_regs(state, 0xd387, buf, 5); |
| 396 | if (ret) |
| 397 | goto err; |
| 398 | |
| 399 | state->ber = (buf[2] << 16) | (buf[1] << 8) | buf[0]; |
| 400 | state->ucblocks += (buf[4] << 8) | buf[3]; |
| 401 | |
| 402 | return ret; |
| 403 | err: |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 404 | dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 405 | return ret; |
| 406 | } |
| 407 | |
| 408 | static int af9013_statistics_snr_start(struct dvb_frontend *fe) |
| 409 | { |
| 410 | struct af9013_state *state = fe->demodulator_priv; |
| 411 | int ret; |
| 412 | |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 413 | dev_dbg(&state->i2c->dev, "%s:\n", __func__); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 414 | |
| 415 | /* start SNR meas */ |
| 416 | ret = af9013_wr_reg_bits(state, 0xd2e1, 3, 1, 1); |
| 417 | if (ret) |
| 418 | goto err; |
| 419 | |
| 420 | return ret; |
| 421 | err: |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 422 | dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 423 | return ret; |
| 424 | } |
| 425 | |
| 426 | static int af9013_statistics_snr_result(struct dvb_frontend *fe) |
| 427 | { |
| 428 | struct af9013_state *state = fe->demodulator_priv; |
| 429 | int ret, i, len; |
| 430 | u8 buf[3], tmp; |
| 431 | u32 snr_val; |
| 432 | const struct af9013_snr *uninitialized_var(snr_lut); |
| 433 | |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 434 | dev_dbg(&state->i2c->dev, "%s:\n", __func__); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 435 | |
| 436 | /* check if SNR ready */ |
| 437 | ret = af9013_rd_reg_bits(state, 0xd2e1, 3, 1, &tmp); |
| 438 | if (ret) |
| 439 | goto err; |
| 440 | |
| 441 | if (!tmp) { |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 442 | dev_dbg(&state->i2c->dev, "%s: not ready\n", __func__); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 443 | return 0; |
| 444 | } |
| 445 | |
| 446 | /* read value */ |
| 447 | ret = af9013_rd_regs(state, 0xd2e3, buf, 3); |
| 448 | if (ret) |
| 449 | goto err; |
| 450 | |
| 451 | snr_val = (buf[2] << 16) | (buf[1] << 8) | buf[0]; |
| 452 | |
| 453 | /* read current modulation */ |
| 454 | ret = af9013_rd_reg(state, 0xd3c1, &tmp); |
| 455 | if (ret) |
| 456 | goto err; |
| 457 | |
| 458 | switch ((tmp >> 6) & 3) { |
| 459 | case 0: |
| 460 | len = ARRAY_SIZE(qpsk_snr_lut); |
| 461 | snr_lut = qpsk_snr_lut; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 462 | break; |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 463 | case 1: |
| 464 | len = ARRAY_SIZE(qam16_snr_lut); |
| 465 | snr_lut = qam16_snr_lut; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 466 | break; |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 467 | case 2: |
| 468 | len = ARRAY_SIZE(qam64_snr_lut); |
| 469 | snr_lut = qam64_snr_lut; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 470 | break; |
| 471 | default: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 472 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 473 | } |
| 474 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 475 | for (i = 0; i < len; i++) { |
| 476 | tmp = snr_lut[i].snr; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 477 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 478 | if (snr_val < snr_lut[i].val) |
| 479 | break; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 480 | } |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 481 | state->snr = tmp * 10; /* dB/10 */ |
| 482 | |
| 483 | return ret; |
| 484 | err: |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 485 | dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 486 | return ret; |
| 487 | } |
| 488 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 489 | static int af9013_statistics_signal_strength(struct dvb_frontend *fe) |
| 490 | { |
| 491 | struct af9013_state *state = fe->demodulator_priv; |
| 492 | int ret = 0; |
| 493 | u8 buf[2], rf_gain, if_gain; |
| 494 | int signal_strength; |
| 495 | |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 496 | dev_dbg(&state->i2c->dev, "%s:\n", __func__); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 497 | |
| 498 | if (!state->signal_strength_en) |
| 499 | return 0; |
| 500 | |
| 501 | ret = af9013_rd_regs(state, 0xd07c, buf, 2); |
| 502 | if (ret) |
| 503 | goto err; |
| 504 | |
| 505 | rf_gain = buf[0]; |
| 506 | if_gain = buf[1]; |
| 507 | |
| 508 | signal_strength = (0xffff / \ |
| 509 | (9 * (state->rf_50 + state->if_50) - \ |
| 510 | 11 * (state->rf_80 + state->if_80))) * \ |
| 511 | (10 * (rf_gain + if_gain) - \ |
| 512 | 11 * (state->rf_80 + state->if_80)); |
| 513 | if (signal_strength < 0) |
| 514 | signal_strength = 0; |
| 515 | else if (signal_strength > 0xffff) |
| 516 | signal_strength = 0xffff; |
| 517 | |
| 518 | state->signal_strength = signal_strength; |
| 519 | |
| 520 | return ret; |
| 521 | err: |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 522 | dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 523 | return ret; |
| 524 | } |
| 525 | |
| 526 | static void af9013_statistics_work(struct work_struct *work) |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 527 | { |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 528 | struct af9013_state *state = container_of(work, |
| 529 | struct af9013_state, statistics_work.work); |
| 530 | unsigned int next_msec; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 531 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 532 | /* update only signal strength when demod is not locked */ |
| 533 | if (!(state->fe_status & FE_HAS_LOCK)) { |
| 534 | state->statistics_step = 0; |
| 535 | state->ber = 0; |
| 536 | state->snr = 0; |
| 537 | } |
| 538 | |
| 539 | switch (state->statistics_step) { |
| 540 | default: |
| 541 | state->statistics_step = 0; |
| 542 | case 0: |
Hans Verkuil | fdf07b0 | 2012-04-20 08:04:48 -0300 | [diff] [blame] | 543 | af9013_statistics_signal_strength(&state->fe); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 544 | state->statistics_step++; |
| 545 | next_msec = 300; |
| 546 | break; |
| 547 | case 1: |
Hans Verkuil | fdf07b0 | 2012-04-20 08:04:48 -0300 | [diff] [blame] | 548 | af9013_statistics_snr_start(&state->fe); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 549 | state->statistics_step++; |
| 550 | next_msec = 200; |
| 551 | break; |
| 552 | case 2: |
Hans Verkuil | fdf07b0 | 2012-04-20 08:04:48 -0300 | [diff] [blame] | 553 | af9013_statistics_ber_unc_start(&state->fe); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 554 | state->statistics_step++; |
| 555 | next_msec = 1000; |
| 556 | break; |
| 557 | case 3: |
Hans Verkuil | fdf07b0 | 2012-04-20 08:04:48 -0300 | [diff] [blame] | 558 | af9013_statistics_snr_result(&state->fe); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 559 | state->statistics_step++; |
| 560 | next_msec = 400; |
| 561 | break; |
| 562 | case 4: |
Hans Verkuil | fdf07b0 | 2012-04-20 08:04:48 -0300 | [diff] [blame] | 563 | af9013_statistics_ber_unc_result(&state->fe); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 564 | state->statistics_step++; |
| 565 | next_msec = 100; |
| 566 | break; |
| 567 | } |
| 568 | |
| 569 | schedule_delayed_work(&state->statistics_work, |
| 570 | msecs_to_jiffies(next_msec)); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 571 | } |
| 572 | |
| 573 | static int af9013_get_tune_settings(struct dvb_frontend *fe, |
| 574 | struct dvb_frontend_tune_settings *fesettings) |
| 575 | { |
| 576 | fesettings->min_delay_ms = 800; |
| 577 | fesettings->step_size = 0; |
| 578 | fesettings->max_drift = 0; |
| 579 | |
| 580 | return 0; |
| 581 | } |
| 582 | |
Mauro Carvalho Chehab | 59d3cc1 | 2011-12-30 22:25:27 -0300 | [diff] [blame] | 583 | static int af9013_set_frontend(struct dvb_frontend *fe) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 584 | { |
| 585 | struct af9013_state *state = fe->demodulator_priv; |
| 586 | struct dtv_frontend_properties *c = &fe->dtv_property_cache; |
| 587 | int ret, i, sampling_freq; |
| 588 | bool auto_mode, spec_inv; |
| 589 | u8 buf[6]; |
| 590 | u32 if_frequency, freq_cw; |
| 591 | |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 592 | dev_dbg(&state->i2c->dev, "%s: frequency=%d bandwidth_hz=%d\n", |
| 593 | __func__, c->frequency, c->bandwidth_hz); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 594 | |
| 595 | /* program tuner */ |
| 596 | if (fe->ops.tuner_ops.set_params) |
Mauro Carvalho Chehab | 14d24d1 | 2011-12-24 12:24:33 -0300 | [diff] [blame] | 597 | fe->ops.tuner_ops.set_params(fe); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 598 | |
| 599 | /* program CFOE coefficients */ |
| 600 | if (c->bandwidth_hz != state->bandwidth_hz) { |
| 601 | for (i = 0; i < ARRAY_SIZE(coeff_lut); i++) { |
| 602 | if (coeff_lut[i].clock == state->config.clock && |
| 603 | coeff_lut[i].bandwidth_hz == c->bandwidth_hz) { |
| 604 | break; |
| 605 | } |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 606 | } |
| 607 | |
Mauro Carvalho Chehab | d7b76c9 | 2015-04-28 19:02:19 -0300 | [diff] [blame] | 608 | /* Return an error if can't find bandwidth or the right clock */ |
| 609 | if (i == ARRAY_SIZE(coeff_lut)) |
| 610 | return -EINVAL; |
| 611 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 612 | ret = af9013_wr_regs(state, 0xae00, coeff_lut[i].val, |
| 613 | sizeof(coeff_lut[i].val)); |
| 614 | } |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 615 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 616 | /* program frequency control */ |
| 617 | if (c->bandwidth_hz != state->bandwidth_hz || state->first_tune) { |
Antti Palosaari | 6d42b21 | 2011-11-13 00:26:17 -0300 | [diff] [blame] | 618 | /* get used IF frequency */ |
| 619 | if (fe->ops.tuner_ops.get_if_frequency) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 620 | fe->ops.tuner_ops.get_if_frequency(fe, &if_frequency); |
Antti Palosaari | 6d42b21 | 2011-11-13 00:26:17 -0300 | [diff] [blame] | 621 | else |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 622 | if_frequency = state->config.if_frequency; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 623 | |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 624 | dev_dbg(&state->i2c->dev, "%s: if_frequency=%d\n", |
| 625 | __func__, if_frequency); |
Antti Palosaari | ab2e06a | 2012-09-02 18:47:25 -0300 | [diff] [blame] | 626 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 627 | sampling_freq = if_frequency; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 628 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 629 | while (sampling_freq > (state->config.clock / 2)) |
| 630 | sampling_freq -= state->config.clock; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 631 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 632 | if (sampling_freq < 0) { |
| 633 | sampling_freq *= -1; |
| 634 | spec_inv = state->config.spec_inv; |
| 635 | } else { |
| 636 | spec_inv = !state->config.spec_inv; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 637 | } |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 638 | |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 639 | freq_cw = af9013_div(state, sampling_freq, state->config.clock, |
| 640 | 23); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 641 | |
| 642 | if (spec_inv) |
| 643 | freq_cw = 0x800000 - freq_cw; |
| 644 | |
| 645 | buf[0] = (freq_cw >> 0) & 0xff; |
| 646 | buf[1] = (freq_cw >> 8) & 0xff; |
| 647 | buf[2] = (freq_cw >> 16) & 0x7f; |
| 648 | |
| 649 | freq_cw = 0x800000 - freq_cw; |
| 650 | |
| 651 | buf[3] = (freq_cw >> 0) & 0xff; |
| 652 | buf[4] = (freq_cw >> 8) & 0xff; |
| 653 | buf[5] = (freq_cw >> 16) & 0x7f; |
| 654 | |
| 655 | ret = af9013_wr_regs(state, 0xd140, buf, 3); |
| 656 | if (ret) |
| 657 | goto err; |
| 658 | |
| 659 | ret = af9013_wr_regs(state, 0x9be7, buf, 6); |
| 660 | if (ret) |
| 661 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 662 | } |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 663 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 664 | /* clear TPS lock flag */ |
| 665 | ret = af9013_wr_reg_bits(state, 0xd330, 3, 1, 1); |
| 666 | if (ret) |
| 667 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 668 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 669 | /* clear MPEG2 lock flag */ |
| 670 | ret = af9013_wr_reg_bits(state, 0xd507, 6, 1, 0); |
| 671 | if (ret) |
| 672 | goto err; |
Antti Palosaari | a2f5a81 | 2009-07-10 20:03:43 -0300 | [diff] [blame] | 673 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 674 | /* empty channel function */ |
| 675 | ret = af9013_wr_reg_bits(state, 0x9bfe, 0, 1, 0); |
| 676 | if (ret) |
| 677 | goto err; |
| 678 | |
| 679 | /* empty DVB-T channel function */ |
| 680 | ret = af9013_wr_reg_bits(state, 0x9bc2, 0, 1, 0); |
| 681 | if (ret) |
| 682 | goto err; |
| 683 | |
| 684 | /* transmission parameters */ |
| 685 | auto_mode = false; |
| 686 | memset(buf, 0, 3); |
| 687 | |
| 688 | switch (c->transmission_mode) { |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 689 | case TRANSMISSION_MODE_AUTO: |
Mauro Carvalho Chehab | 6a5e7fd | 2014-09-03 15:20:50 -0300 | [diff] [blame] | 690 | auto_mode = true; |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 691 | break; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 692 | case TRANSMISSION_MODE_2K: |
| 693 | break; |
| 694 | case TRANSMISSION_MODE_8K: |
| 695 | buf[0] |= (1 << 0); |
| 696 | break; |
| 697 | default: |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 698 | dev_dbg(&state->i2c->dev, "%s: invalid transmission_mode\n", |
| 699 | __func__); |
Mauro Carvalho Chehab | 6a5e7fd | 2014-09-03 15:20:50 -0300 | [diff] [blame] | 700 | auto_mode = true; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 701 | } |
| 702 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 703 | switch (c->guard_interval) { |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 704 | case GUARD_INTERVAL_AUTO: |
Mauro Carvalho Chehab | 6a5e7fd | 2014-09-03 15:20:50 -0300 | [diff] [blame] | 705 | auto_mode = true; |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 706 | break; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 707 | case GUARD_INTERVAL_1_32: |
| 708 | break; |
| 709 | case GUARD_INTERVAL_1_16: |
| 710 | buf[0] |= (1 << 2); |
| 711 | break; |
| 712 | case GUARD_INTERVAL_1_8: |
| 713 | buf[0] |= (2 << 2); |
| 714 | break; |
| 715 | case GUARD_INTERVAL_1_4: |
| 716 | buf[0] |= (3 << 2); |
| 717 | break; |
| 718 | default: |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 719 | dev_dbg(&state->i2c->dev, "%s: invalid guard_interval\n", |
| 720 | __func__); |
Mauro Carvalho Chehab | 6a5e7fd | 2014-09-03 15:20:50 -0300 | [diff] [blame] | 721 | auto_mode = true; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 722 | } |
| 723 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 724 | switch (c->hierarchy) { |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 725 | case HIERARCHY_AUTO: |
Mauro Carvalho Chehab | 6a5e7fd | 2014-09-03 15:20:50 -0300 | [diff] [blame] | 726 | auto_mode = true; |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 727 | break; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 728 | case HIERARCHY_NONE: |
| 729 | break; |
| 730 | case HIERARCHY_1: |
| 731 | buf[0] |= (1 << 4); |
| 732 | break; |
| 733 | case HIERARCHY_2: |
| 734 | buf[0] |= (2 << 4); |
| 735 | break; |
| 736 | case HIERARCHY_4: |
| 737 | buf[0] |= (3 << 4); |
| 738 | break; |
| 739 | default: |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 740 | dev_dbg(&state->i2c->dev, "%s: invalid hierarchy\n", __func__); |
Mauro Carvalho Chehab | 6a5e7fd | 2014-09-03 15:20:50 -0300 | [diff] [blame] | 741 | auto_mode = true; |
Peter Senna Tschudin | c2c1b41 | 2012-09-28 05:37:22 -0300 | [diff] [blame] | 742 | } |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 743 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 744 | switch (c->modulation) { |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 745 | case QAM_AUTO: |
Mauro Carvalho Chehab | 6a5e7fd | 2014-09-03 15:20:50 -0300 | [diff] [blame] | 746 | auto_mode = true; |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 747 | break; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 748 | case QPSK: |
| 749 | break; |
| 750 | case QAM_16: |
| 751 | buf[1] |= (1 << 6); |
| 752 | break; |
| 753 | case QAM_64: |
| 754 | buf[1] |= (2 << 6); |
| 755 | break; |
| 756 | default: |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 757 | dev_dbg(&state->i2c->dev, "%s: invalid modulation\n", __func__); |
Mauro Carvalho Chehab | 6a5e7fd | 2014-09-03 15:20:50 -0300 | [diff] [blame] | 758 | auto_mode = true; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 759 | } |
| 760 | |
| 761 | /* Use HP. How and which case we can switch to LP? */ |
| 762 | buf[1] |= (1 << 4); |
| 763 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 764 | switch (c->code_rate_HP) { |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 765 | case FEC_AUTO: |
Mauro Carvalho Chehab | 6a5e7fd | 2014-09-03 15:20:50 -0300 | [diff] [blame] | 766 | auto_mode = true; |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 767 | break; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 768 | case FEC_1_2: |
| 769 | break; |
| 770 | case FEC_2_3: |
| 771 | buf[2] |= (1 << 0); |
| 772 | break; |
| 773 | case FEC_3_4: |
| 774 | buf[2] |= (2 << 0); |
| 775 | break; |
| 776 | case FEC_5_6: |
| 777 | buf[2] |= (3 << 0); |
| 778 | break; |
| 779 | case FEC_7_8: |
| 780 | buf[2] |= (4 << 0); |
| 781 | break; |
| 782 | default: |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 783 | dev_dbg(&state->i2c->dev, "%s: invalid code_rate_HP\n", |
| 784 | __func__); |
Mauro Carvalho Chehab | 6a5e7fd | 2014-09-03 15:20:50 -0300 | [diff] [blame] | 785 | auto_mode = true; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 786 | } |
| 787 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 788 | switch (c->code_rate_LP) { |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 789 | case FEC_AUTO: |
Mauro Carvalho Chehab | 6a5e7fd | 2014-09-03 15:20:50 -0300 | [diff] [blame] | 790 | auto_mode = true; |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 791 | break; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 792 | case FEC_1_2: |
| 793 | break; |
| 794 | case FEC_2_3: |
| 795 | buf[2] |= (1 << 3); |
| 796 | break; |
| 797 | case FEC_3_4: |
| 798 | buf[2] |= (2 << 3); |
| 799 | break; |
| 800 | case FEC_5_6: |
| 801 | buf[2] |= (3 << 3); |
| 802 | break; |
| 803 | case FEC_7_8: |
| 804 | buf[2] |= (4 << 3); |
| 805 | break; |
| 806 | case FEC_NONE: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 807 | break; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 808 | default: |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 809 | dev_dbg(&state->i2c->dev, "%s: invalid code_rate_LP\n", |
| 810 | __func__); |
Mauro Carvalho Chehab | 6a5e7fd | 2014-09-03 15:20:50 -0300 | [diff] [blame] | 811 | auto_mode = true; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 812 | } |
| 813 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 814 | switch (c->bandwidth_hz) { |
| 815 | case 6000000: |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 816 | break; |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 817 | case 7000000: |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 818 | buf[1] |= (1 << 2); |
| 819 | break; |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 820 | case 8000000: |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 821 | buf[1] |= (2 << 2); |
| 822 | break; |
| 823 | default: |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 824 | dev_dbg(&state->i2c->dev, "%s: invalid bandwidth_hz\n", |
| 825 | __func__); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 826 | ret = -EINVAL; |
| 827 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 828 | } |
| 829 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 830 | ret = af9013_wr_regs(state, 0xd3c0, buf, 3); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 831 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 832 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 833 | |
| 834 | if (auto_mode) { |
| 835 | /* clear easy mode flag */ |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 836 | ret = af9013_wr_reg(state, 0xaefd, 0); |
| 837 | if (ret) |
| 838 | goto err; |
| 839 | |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 840 | dev_dbg(&state->i2c->dev, "%s: auto params\n", __func__); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 841 | } else { |
| 842 | /* set easy mode flag */ |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 843 | ret = af9013_wr_reg(state, 0xaefd, 1); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 844 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 845 | goto err; |
| 846 | |
| 847 | ret = af9013_wr_reg(state, 0xaefe, 0); |
| 848 | if (ret) |
| 849 | goto err; |
| 850 | |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 851 | dev_dbg(&state->i2c->dev, "%s: manual params\n", __func__); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 852 | } |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 853 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 854 | /* tune */ |
| 855 | ret = af9013_wr_reg(state, 0xffff, 0); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 856 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 857 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 858 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 859 | state->bandwidth_hz = c->bandwidth_hz; |
| 860 | state->set_frontend_jiffies = jiffies; |
| 861 | state->first_tune = false; |
| 862 | |
| 863 | return ret; |
| 864 | err: |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 865 | dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 866 | return ret; |
| 867 | } |
| 868 | |
Mauro Carvalho Chehab | 7e3e68b | 2016-02-04 12:58:30 -0200 | [diff] [blame] | 869 | static int af9013_get_frontend(struct dvb_frontend *fe, |
| 870 | struct dtv_frontend_properties *c) |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 871 | { |
| 872 | struct af9013_state *state = fe->demodulator_priv; |
| 873 | int ret; |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 874 | u8 buf[3]; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 875 | |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 876 | dev_dbg(&state->i2c->dev, "%s:\n", __func__); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 877 | |
| 878 | ret = af9013_rd_regs(state, 0xd3c0, buf, 3); |
| 879 | if (ret) |
| 880 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 881 | |
| 882 | switch ((buf[1] >> 6) & 3) { |
| 883 | case 0: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 884 | c->modulation = QPSK; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 885 | break; |
| 886 | case 1: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 887 | c->modulation = QAM_16; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 888 | break; |
| 889 | case 2: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 890 | c->modulation = QAM_64; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 891 | break; |
| 892 | } |
| 893 | |
| 894 | switch ((buf[0] >> 0) & 3) { |
| 895 | case 0: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 896 | c->transmission_mode = TRANSMISSION_MODE_2K; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 897 | break; |
| 898 | case 1: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 899 | c->transmission_mode = TRANSMISSION_MODE_8K; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 900 | } |
| 901 | |
| 902 | switch ((buf[0] >> 2) & 3) { |
| 903 | case 0: |
Gianluca Gennari | 6a2329a | 2012-01-03 13:47:35 -0300 | [diff] [blame] | 904 | c->guard_interval = GUARD_INTERVAL_1_32; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 905 | break; |
| 906 | case 1: |
Gianluca Gennari | 6a2329a | 2012-01-03 13:47:35 -0300 | [diff] [blame] | 907 | c->guard_interval = GUARD_INTERVAL_1_16; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 908 | break; |
| 909 | case 2: |
Gianluca Gennari | 6a2329a | 2012-01-03 13:47:35 -0300 | [diff] [blame] | 910 | c->guard_interval = GUARD_INTERVAL_1_8; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 911 | break; |
| 912 | case 3: |
Gianluca Gennari | 6a2329a | 2012-01-03 13:47:35 -0300 | [diff] [blame] | 913 | c->guard_interval = GUARD_INTERVAL_1_4; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 914 | break; |
| 915 | } |
| 916 | |
| 917 | switch ((buf[0] >> 4) & 7) { |
| 918 | case 0: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 919 | c->hierarchy = HIERARCHY_NONE; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 920 | break; |
| 921 | case 1: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 922 | c->hierarchy = HIERARCHY_1; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 923 | break; |
| 924 | case 2: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 925 | c->hierarchy = HIERARCHY_2; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 926 | break; |
| 927 | case 3: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 928 | c->hierarchy = HIERARCHY_4; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 929 | break; |
| 930 | } |
| 931 | |
| 932 | switch ((buf[2] >> 0) & 7) { |
| 933 | case 0: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 934 | c->code_rate_HP = FEC_1_2; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 935 | break; |
| 936 | case 1: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 937 | c->code_rate_HP = FEC_2_3; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 938 | break; |
| 939 | case 2: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 940 | c->code_rate_HP = FEC_3_4; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 941 | break; |
| 942 | case 3: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 943 | c->code_rate_HP = FEC_5_6; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 944 | break; |
| 945 | case 4: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 946 | c->code_rate_HP = FEC_7_8; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 947 | break; |
| 948 | } |
| 949 | |
| 950 | switch ((buf[2] >> 3) & 7) { |
| 951 | case 0: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 952 | c->code_rate_LP = FEC_1_2; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 953 | break; |
| 954 | case 1: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 955 | c->code_rate_LP = FEC_2_3; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 956 | break; |
| 957 | case 2: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 958 | c->code_rate_LP = FEC_3_4; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 959 | break; |
| 960 | case 3: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 961 | c->code_rate_LP = FEC_5_6; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 962 | break; |
| 963 | case 4: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 964 | c->code_rate_LP = FEC_7_8; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 965 | break; |
| 966 | } |
| 967 | |
| 968 | switch ((buf[1] >> 2) & 3) { |
| 969 | case 0: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 970 | c->bandwidth_hz = 6000000; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 971 | break; |
| 972 | case 1: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 973 | c->bandwidth_hz = 7000000; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 974 | break; |
| 975 | case 2: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 976 | c->bandwidth_hz = 8000000; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 977 | break; |
| 978 | } |
| 979 | |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 980 | return ret; |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 981 | err: |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 982 | dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 983 | return ret; |
| 984 | } |
| 985 | |
Mauro Carvalho Chehab | 0df289a | 2015-06-07 14:53:52 -0300 | [diff] [blame] | 986 | static int af9013_read_status(struct dvb_frontend *fe, enum fe_status *status) |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 987 | { |
| 988 | struct af9013_state *state = fe->demodulator_priv; |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 989 | int ret; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 990 | u8 tmp; |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 991 | |
| 992 | /* |
| 993 | * Return status from the cache if it is younger than 2000ms with the |
| 994 | * exception of last tune is done during 4000ms. |
| 995 | */ |
| 996 | if (time_is_after_jiffies( |
| 997 | state->read_status_jiffies + msecs_to_jiffies(2000)) && |
| 998 | time_is_before_jiffies( |
| 999 | state->set_frontend_jiffies + msecs_to_jiffies(4000)) |
| 1000 | ) { |
| 1001 | *status = state->fe_status; |
| 1002 | return 0; |
| 1003 | } else { |
| 1004 | *status = 0; |
| 1005 | } |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1006 | |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1007 | /* MPEG2 lock */ |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1008 | ret = af9013_rd_reg_bits(state, 0xd507, 6, 1, &tmp); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1009 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1010 | goto err; |
| 1011 | |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1012 | if (tmp) |
Antti Palosaari | 8af5e38 | 2010-06-17 20:56:27 -0300 | [diff] [blame] | 1013 | *status |= FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_VITERBI | |
| 1014 | FE_HAS_SYNC | FE_HAS_LOCK; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1015 | |
Antti Palosaari | 8af5e38 | 2010-06-17 20:56:27 -0300 | [diff] [blame] | 1016 | if (!*status) { |
| 1017 | /* TPS lock */ |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1018 | ret = af9013_rd_reg_bits(state, 0xd330, 3, 1, &tmp); |
Antti Palosaari | 8af5e38 | 2010-06-17 20:56:27 -0300 | [diff] [blame] | 1019 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1020 | goto err; |
| 1021 | |
Antti Palosaari | 8af5e38 | 2010-06-17 20:56:27 -0300 | [diff] [blame] | 1022 | if (tmp) |
| 1023 | *status |= FE_HAS_SIGNAL | FE_HAS_CARRIER | |
| 1024 | FE_HAS_VITERBI; |
| 1025 | } |
| 1026 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1027 | state->fe_status = *status; |
| 1028 | state->read_status_jiffies = jiffies; |
Antti Palosaari | 8af5e38 | 2010-06-17 20:56:27 -0300 | [diff] [blame] | 1029 | |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1030 | return ret; |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1031 | err: |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 1032 | dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1033 | return ret; |
| 1034 | } |
| 1035 | |
| 1036 | static int af9013_read_snr(struct dvb_frontend *fe, u16 *snr) |
| 1037 | { |
| 1038 | struct af9013_state *state = fe->demodulator_priv; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1039 | *snr = state->snr; |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1040 | return 0; |
| 1041 | } |
| 1042 | |
| 1043 | static int af9013_read_signal_strength(struct dvb_frontend *fe, u16 *strength) |
| 1044 | { |
| 1045 | struct af9013_state *state = fe->demodulator_priv; |
| 1046 | *strength = state->signal_strength; |
| 1047 | return 0; |
| 1048 | } |
| 1049 | |
| 1050 | static int af9013_read_ber(struct dvb_frontend *fe, u32 *ber) |
| 1051 | { |
| 1052 | struct af9013_state *state = fe->demodulator_priv; |
| 1053 | *ber = state->ber; |
| 1054 | return 0; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1055 | } |
| 1056 | |
| 1057 | static int af9013_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks) |
| 1058 | { |
| 1059 | struct af9013_state *state = fe->demodulator_priv; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1060 | *ucblocks = state->ucblocks; |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1061 | return 0; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1062 | } |
| 1063 | |
| 1064 | static int af9013_init(struct dvb_frontend *fe) |
| 1065 | { |
| 1066 | struct af9013_state *state = fe->demodulator_priv; |
| 1067 | int ret, i, len; |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1068 | u8 buf[3], tmp; |
| 1069 | u32 adc_cw; |
| 1070 | const struct af9013_reg_bit *init; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1071 | |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 1072 | dev_dbg(&state->i2c->dev, "%s:\n", __func__); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1073 | |
| 1074 | /* power on */ |
| 1075 | ret = af9013_power_ctrl(state, 1); |
| 1076 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1077 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1078 | |
| 1079 | /* enable ADC */ |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1080 | ret = af9013_wr_reg(state, 0xd73a, 0xa4); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1081 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1082 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1083 | |
| 1084 | /* write API version to firmware */ |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1085 | ret = af9013_wr_regs(state, 0x9bf2, state->config.api_version, 4); |
| 1086 | if (ret) |
| 1087 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1088 | |
| 1089 | /* program ADC control */ |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1090 | switch (state->config.clock) { |
| 1091 | case 28800000: /* 28.800 MHz */ |
| 1092 | tmp = 0; |
| 1093 | break; |
| 1094 | case 20480000: /* 20.480 MHz */ |
| 1095 | tmp = 1; |
| 1096 | break; |
| 1097 | case 28000000: /* 28.000 MHz */ |
| 1098 | tmp = 2; |
| 1099 | break; |
| 1100 | case 25000000: /* 25.000 MHz */ |
| 1101 | tmp = 3; |
| 1102 | break; |
| 1103 | default: |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 1104 | dev_err(&state->i2c->dev, "%s: invalid clock\n", |
| 1105 | KBUILD_MODNAME); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1106 | return -EINVAL; |
| 1107 | } |
| 1108 | |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 1109 | adc_cw = af9013_div(state, state->config.clock, 1000000ul, 19); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1110 | buf[0] = (adc_cw >> 0) & 0xff; |
| 1111 | buf[1] = (adc_cw >> 8) & 0xff; |
| 1112 | buf[2] = (adc_cw >> 16) & 0xff; |
| 1113 | |
| 1114 | ret = af9013_wr_regs(state, 0xd180, buf, 3); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1115 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1116 | goto err; |
| 1117 | |
| 1118 | ret = af9013_wr_reg_bits(state, 0x9bd2, 0, 4, tmp); |
| 1119 | if (ret) |
| 1120 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1121 | |
| 1122 | /* set I2C master clock */ |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1123 | ret = af9013_wr_reg(state, 0xd416, 0x14); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1124 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1125 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1126 | |
| 1127 | /* set 16 embx */ |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1128 | ret = af9013_wr_reg_bits(state, 0xd700, 1, 1, 1); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1129 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1130 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1131 | |
| 1132 | /* set no trigger */ |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1133 | ret = af9013_wr_reg_bits(state, 0xd700, 2, 1, 0); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1134 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1135 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1136 | |
| 1137 | /* set read-update bit for constellation */ |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1138 | ret = af9013_wr_reg_bits(state, 0xd371, 1, 1, 1); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1139 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1140 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1141 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1142 | /* settings for mp2if */ |
| 1143 | if (state->config.ts_mode == AF9013_TS_USB) { |
| 1144 | /* AF9015 split PSB to 1.5k + 0.5k */ |
| 1145 | ret = af9013_wr_reg_bits(state, 0xd50b, 2, 1, 1); |
| 1146 | if (ret) |
| 1147 | goto err; |
| 1148 | } else { |
| 1149 | /* AF9013 change the output bit to data7 */ |
| 1150 | ret = af9013_wr_reg_bits(state, 0xd500, 3, 1, 1); |
| 1151 | if (ret) |
| 1152 | goto err; |
| 1153 | |
| 1154 | /* AF9013 set mpeg to full speed */ |
| 1155 | ret = af9013_wr_reg_bits(state, 0xd502, 4, 1, 1); |
| 1156 | if (ret) |
| 1157 | goto err; |
| 1158 | } |
| 1159 | |
| 1160 | ret = af9013_wr_reg_bits(state, 0xd520, 4, 1, 1); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1161 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1162 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1163 | |
| 1164 | /* load OFSM settings */ |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 1165 | dev_dbg(&state->i2c->dev, "%s: load ofsm settings\n", __func__); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1166 | len = ARRAY_SIZE(ofsm_init); |
| 1167 | init = ofsm_init; |
| 1168 | for (i = 0; i < len; i++) { |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1169 | ret = af9013_wr_reg_bits(state, init[i].addr, init[i].pos, |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1170 | init[i].len, init[i].val); |
| 1171 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1172 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1173 | } |
| 1174 | |
| 1175 | /* load tuner specific settings */ |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 1176 | dev_dbg(&state->i2c->dev, "%s: load tuner specific settings\n", |
| 1177 | __func__); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1178 | switch (state->config.tuner) { |
| 1179 | case AF9013_TUNER_MXL5003D: |
| 1180 | len = ARRAY_SIZE(tuner_init_mxl5003d); |
| 1181 | init = tuner_init_mxl5003d; |
| 1182 | break; |
| 1183 | case AF9013_TUNER_MXL5005D: |
| 1184 | case AF9013_TUNER_MXL5005R: |
Antti Palosaari | a4f31d0 | 2010-09-09 14:53:59 -0300 | [diff] [blame] | 1185 | case AF9013_TUNER_MXL5007T: |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1186 | len = ARRAY_SIZE(tuner_init_mxl5005); |
| 1187 | init = tuner_init_mxl5005; |
| 1188 | break; |
| 1189 | case AF9013_TUNER_ENV77H11D5: |
| 1190 | len = ARRAY_SIZE(tuner_init_env77h11d5); |
| 1191 | init = tuner_init_env77h11d5; |
| 1192 | break; |
| 1193 | case AF9013_TUNER_MT2060: |
| 1194 | len = ARRAY_SIZE(tuner_init_mt2060); |
| 1195 | init = tuner_init_mt2060; |
| 1196 | break; |
| 1197 | case AF9013_TUNER_MC44S803: |
| 1198 | len = ARRAY_SIZE(tuner_init_mc44s803); |
| 1199 | init = tuner_init_mc44s803; |
| 1200 | break; |
| 1201 | case AF9013_TUNER_QT1010: |
| 1202 | case AF9013_TUNER_QT1010A: |
| 1203 | len = ARRAY_SIZE(tuner_init_qt1010); |
| 1204 | init = tuner_init_qt1010; |
| 1205 | break; |
| 1206 | case AF9013_TUNER_MT2060_2: |
| 1207 | len = ARRAY_SIZE(tuner_init_mt2060_2); |
| 1208 | init = tuner_init_mt2060_2; |
| 1209 | break; |
| 1210 | case AF9013_TUNER_TDA18271: |
Antti Palosaari | 2158e50 | 2010-08-13 03:49:24 -0300 | [diff] [blame] | 1211 | case AF9013_TUNER_TDA18218: |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1212 | len = ARRAY_SIZE(tuner_init_tda18271); |
| 1213 | init = tuner_init_tda18271; |
| 1214 | break; |
| 1215 | case AF9013_TUNER_UNKNOWN: |
| 1216 | default: |
| 1217 | len = ARRAY_SIZE(tuner_init_unknown); |
| 1218 | init = tuner_init_unknown; |
| 1219 | break; |
| 1220 | } |
| 1221 | |
| 1222 | for (i = 0; i < len; i++) { |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1223 | ret = af9013_wr_reg_bits(state, init[i].addr, init[i].pos, |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1224 | init[i].len, init[i].val); |
| 1225 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1226 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1227 | } |
| 1228 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1229 | /* TS mode */ |
| 1230 | ret = af9013_wr_reg_bits(state, 0xd500, 1, 2, state->config.ts_mode); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1231 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1232 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1233 | |
| 1234 | /* enable lock led */ |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1235 | ret = af9013_wr_reg_bits(state, 0xd730, 0, 1, 1); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1236 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1237 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1238 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1239 | /* check if we support signal strength */ |
| 1240 | if (!state->signal_strength_en) { |
| 1241 | ret = af9013_rd_reg_bits(state, 0x9bee, 0, 1, |
| 1242 | &state->signal_strength_en); |
Antti Palosaari | 9e35cd2 | 2010-10-07 16:34:55 -0300 | [diff] [blame] | 1243 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1244 | goto err; |
Antti Palosaari | 9e35cd2 | 2010-10-07 16:34:55 -0300 | [diff] [blame] | 1245 | } |
| 1246 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1247 | /* read values needed for signal strength calculation */ |
| 1248 | if (state->signal_strength_en && !state->rf_50) { |
| 1249 | ret = af9013_rd_reg(state, 0x9bbd, &state->rf_50); |
| 1250 | if (ret) |
| 1251 | goto err; |
| 1252 | |
| 1253 | ret = af9013_rd_reg(state, 0x9bd0, &state->rf_80); |
| 1254 | if (ret) |
| 1255 | goto err; |
| 1256 | |
| 1257 | ret = af9013_rd_reg(state, 0x9be2, &state->if_50); |
| 1258 | if (ret) |
| 1259 | goto err; |
| 1260 | |
| 1261 | ret = af9013_rd_reg(state, 0x9be4, &state->if_80); |
| 1262 | if (ret) |
| 1263 | goto err; |
| 1264 | } |
| 1265 | |
| 1266 | /* SNR */ |
| 1267 | ret = af9013_wr_reg(state, 0xd2e2, 1); |
| 1268 | if (ret) |
| 1269 | goto err; |
| 1270 | |
| 1271 | /* BER / UCB */ |
| 1272 | buf[0] = (10000 >> 0) & 0xff; |
| 1273 | buf[1] = (10000 >> 8) & 0xff; |
| 1274 | ret = af9013_wr_regs(state, 0xd385, buf, 2); |
| 1275 | if (ret) |
| 1276 | goto err; |
| 1277 | |
| 1278 | /* enable FEC monitor */ |
| 1279 | ret = af9013_wr_reg_bits(state, 0xd392, 1, 1, 1); |
| 1280 | if (ret) |
| 1281 | goto err; |
| 1282 | |
| 1283 | state->first_tune = true; |
| 1284 | schedule_delayed_work(&state->statistics_work, msecs_to_jiffies(400)); |
| 1285 | |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1286 | return ret; |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1287 | err: |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 1288 | dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1289 | return ret; |
| 1290 | } |
| 1291 | |
| 1292 | static int af9013_sleep(struct dvb_frontend *fe) |
| 1293 | { |
| 1294 | struct af9013_state *state = fe->demodulator_priv; |
| 1295 | int ret; |
| 1296 | |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 1297 | dev_dbg(&state->i2c->dev, "%s:\n", __func__); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1298 | |
| 1299 | /* stop statistics polling */ |
| 1300 | cancel_delayed_work_sync(&state->statistics_work); |
| 1301 | |
| 1302 | /* disable lock led */ |
| 1303 | ret = af9013_wr_reg_bits(state, 0xd730, 0, 1, 0); |
| 1304 | if (ret) |
| 1305 | goto err; |
| 1306 | |
| 1307 | /* power off */ |
| 1308 | ret = af9013_power_ctrl(state, 0); |
| 1309 | if (ret) |
| 1310 | goto err; |
| 1311 | |
| 1312 | return ret; |
| 1313 | err: |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 1314 | dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1315 | return ret; |
| 1316 | } |
| 1317 | |
| 1318 | static int af9013_i2c_gate_ctrl(struct dvb_frontend *fe, int enable) |
| 1319 | { |
| 1320 | int ret; |
| 1321 | struct af9013_state *state = fe->demodulator_priv; |
| 1322 | |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 1323 | dev_dbg(&state->i2c->dev, "%s: enable=%d\n", __func__, enable); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1324 | |
| 1325 | /* gate already open or close */ |
| 1326 | if (state->i2c_gate_state == enable) |
| 1327 | return 0; |
| 1328 | |
| 1329 | if (state->config.ts_mode == AF9013_TS_USB) |
| 1330 | ret = af9013_wr_reg_bits(state, 0xd417, 3, 1, enable); |
| 1331 | else |
| 1332 | ret = af9013_wr_reg_bits(state, 0xd607, 2, 1, enable); |
| 1333 | if (ret) |
| 1334 | goto err; |
| 1335 | |
| 1336 | state->i2c_gate_state = enable; |
| 1337 | |
| 1338 | return ret; |
| 1339 | err: |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 1340 | dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1341 | return ret; |
| 1342 | } |
| 1343 | |
| 1344 | static void af9013_release(struct dvb_frontend *fe) |
| 1345 | { |
| 1346 | struct af9013_state *state = fe->demodulator_priv; |
Ernst Martin Witte | 631c694 | 2016-01-09 18:18:45 -0200 | [diff] [blame] | 1347 | |
| 1348 | /* stop statistics polling */ |
| 1349 | cancel_delayed_work_sync(&state->statistics_work); |
| 1350 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1351 | kfree(state); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1352 | } |
| 1353 | |
| 1354 | static struct dvb_frontend_ops af9013_ops; |
| 1355 | |
| 1356 | static int af9013_download_firmware(struct af9013_state *state) |
| 1357 | { |
Antti Palosaari | 6ed9d56 | 2011-03-19 18:02:22 -0300 | [diff] [blame] | 1358 | int i, len, remaining, ret; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1359 | const struct firmware *fw; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1360 | u16 checksum = 0; |
| 1361 | u8 val; |
| 1362 | u8 fw_params[4]; |
Antti Palosaari | a71103a | 2012-09-12 11:37:28 -0300 | [diff] [blame] | 1363 | u8 *fw_file = AF9013_FIRMWARE; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1364 | |
| 1365 | msleep(100); |
| 1366 | /* check whether firmware is already running */ |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1367 | ret = af9013_rd_reg(state, 0x98be, &val); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1368 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1369 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1370 | else |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 1371 | dev_dbg(&state->i2c->dev, "%s: firmware status=%02x\n", |
| 1372 | __func__, val); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1373 | |
| 1374 | if (val == 0x0c) /* fw is running, no need for download */ |
| 1375 | goto exit; |
| 1376 | |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 1377 | dev_info(&state->i2c->dev, "%s: found a '%s' in cold state, will try " \ |
| 1378 | "to load a firmware\n", |
| 1379 | KBUILD_MODNAME, af9013_ops.info.name); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1380 | |
| 1381 | /* request the firmware, this will block and timeout */ |
Jean Delvare | e978525 | 2009-04-26 05:43:59 -0300 | [diff] [blame] | 1382 | ret = request_firmware(&fw, fw_file, state->i2c->dev.parent); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1383 | if (ret) { |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 1384 | dev_info(&state->i2c->dev, "%s: did not find the firmware " \ |
| 1385 | "file. (%s) Please see linux/Documentation/dvb/ for " \ |
| 1386 | "more details on firmware-problems. (%d)\n", |
| 1387 | KBUILD_MODNAME, fw_file, ret); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1388 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1389 | } |
| 1390 | |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 1391 | dev_info(&state->i2c->dev, "%s: downloading firmware from file '%s'\n", |
| 1392 | KBUILD_MODNAME, fw_file); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1393 | |
| 1394 | /* calc checksum */ |
| 1395 | for (i = 0; i < fw->size; i++) |
| 1396 | checksum += fw->data[i]; |
| 1397 | |
| 1398 | fw_params[0] = checksum >> 8; |
| 1399 | fw_params[1] = checksum & 0xff; |
| 1400 | fw_params[2] = fw->size >> 8; |
| 1401 | fw_params[3] = fw->size & 0xff; |
| 1402 | |
| 1403 | /* write fw checksum & size */ |
| 1404 | ret = af9013_write_ofsm_regs(state, 0x50fc, |
| 1405 | fw_params, sizeof(fw_params)); |
| 1406 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1407 | goto err_release; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1408 | |
Antti Palosaari | 6ed9d56 | 2011-03-19 18:02:22 -0300 | [diff] [blame] | 1409 | #define FW_ADDR 0x5100 /* firmware start address */ |
| 1410 | #define LEN_MAX 16 /* max packet size */ |
| 1411 | for (remaining = fw->size; remaining > 0; remaining -= LEN_MAX) { |
| 1412 | len = remaining; |
| 1413 | if (len > LEN_MAX) |
| 1414 | len = LEN_MAX; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1415 | |
Antti Palosaari | 6ed9d56 | 2011-03-19 18:02:22 -0300 | [diff] [blame] | 1416 | ret = af9013_write_ofsm_regs(state, |
| 1417 | FW_ADDR + fw->size - remaining, |
| 1418 | (u8 *) &fw->data[fw->size - remaining], len); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1419 | if (ret) { |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 1420 | dev_err(&state->i2c->dev, |
| 1421 | "%s: firmware download failed=%d\n", |
| 1422 | KBUILD_MODNAME, ret); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1423 | goto err_release; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1424 | } |
| 1425 | } |
| 1426 | |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1427 | /* request boot firmware */ |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1428 | ret = af9013_wr_reg(state, 0xe205, 1); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1429 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1430 | goto err_release; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1431 | |
| 1432 | for (i = 0; i < 15; i++) { |
| 1433 | msleep(100); |
| 1434 | |
| 1435 | /* check firmware status */ |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1436 | ret = af9013_rd_reg(state, 0x98be, &val); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1437 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1438 | goto err_release; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1439 | |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 1440 | dev_dbg(&state->i2c->dev, "%s: firmware status=%02x\n", |
| 1441 | __func__, val); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1442 | |
| 1443 | if (val == 0x0c || val == 0x04) /* success or fail */ |
| 1444 | break; |
| 1445 | } |
| 1446 | |
| 1447 | if (val == 0x04) { |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 1448 | dev_err(&state->i2c->dev, "%s: firmware did not run\n", |
| 1449 | KBUILD_MODNAME); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1450 | ret = -ENODEV; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1451 | } else if (val != 0x0c) { |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 1452 | dev_err(&state->i2c->dev, "%s: firmware boot timeout\n", |
| 1453 | KBUILD_MODNAME); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1454 | ret = -ENODEV; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1455 | } |
| 1456 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1457 | err_release: |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1458 | release_firmware(fw); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1459 | err: |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1460 | exit: |
| 1461 | if (!ret) |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 1462 | dev_info(&state->i2c->dev, "%s: found a '%s' in warm state\n", |
| 1463 | KBUILD_MODNAME, af9013_ops.info.name); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1464 | return ret; |
| 1465 | } |
| 1466 | |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1467 | struct dvb_frontend *af9013_attach(const struct af9013_config *config, |
| 1468 | struct i2c_adapter *i2c) |
| 1469 | { |
| 1470 | int ret; |
| 1471 | struct af9013_state *state = NULL; |
Antti Palosaari | ce99efa | 2010-06-17 21:16:12 -0300 | [diff] [blame] | 1472 | u8 buf[4], i; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1473 | |
| 1474 | /* allocate memory for the internal state */ |
| 1475 | state = kzalloc(sizeof(struct af9013_state), GFP_KERNEL); |
| 1476 | if (state == NULL) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1477 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1478 | |
| 1479 | /* setup the state */ |
| 1480 | state->i2c = i2c; |
| 1481 | memcpy(&state->config, config, sizeof(struct af9013_config)); |
| 1482 | |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1483 | /* download firmware */ |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1484 | if (state->config.ts_mode != AF9013_TS_USB) { |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1485 | ret = af9013_download_firmware(state); |
| 1486 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1487 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1488 | } |
| 1489 | |
| 1490 | /* firmware version */ |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1491 | ret = af9013_rd_regs(state, 0x5103, buf, 4); |
Antti Palosaari | 109a299 | 2011-03-19 17:18:18 -0300 | [diff] [blame] | 1492 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1493 | goto err; |
Antti Palosaari | 109a299 | 2011-03-19 17:18:18 -0300 | [diff] [blame] | 1494 | |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 1495 | dev_info(&state->i2c->dev, "%s: firmware version %d.%d.%d.%d\n", |
| 1496 | KBUILD_MODNAME, buf[0], buf[1], buf[2], buf[3]); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1497 | |
| 1498 | /* set GPIOs */ |
| 1499 | for (i = 0; i < sizeof(state->config.gpio); i++) { |
| 1500 | ret = af9013_set_gpio(state, i, state->config.gpio[i]); |
| 1501 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1502 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1503 | } |
| 1504 | |
| 1505 | /* create dvb_frontend */ |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1506 | memcpy(&state->fe.ops, &af9013_ops, |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1507 | sizeof(struct dvb_frontend_ops)); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1508 | state->fe.demodulator_priv = state; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1509 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1510 | INIT_DELAYED_WORK(&state->statistics_work, af9013_statistics_work); |
| 1511 | |
| 1512 | return &state->fe; |
| 1513 | err: |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1514 | kfree(state); |
| 1515 | return NULL; |
| 1516 | } |
| 1517 | EXPORT_SYMBOL(af9013_attach); |
| 1518 | |
| 1519 | static struct dvb_frontend_ops af9013_ops = { |
Mauro Carvalho Chehab | 59d3cc1 | 2011-12-30 22:25:27 -0300 | [diff] [blame] | 1520 | .delsys = { SYS_DVBT }, |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1521 | .info = { |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1522 | .name = "Afatech AF9013", |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1523 | .frequency_min = 174000000, |
| 1524 | .frequency_max = 862000000, |
| 1525 | .frequency_stepsize = 250000, |
| 1526 | .frequency_tolerance = 0, |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1527 | .caps = FE_CAN_FEC_1_2 | |
| 1528 | FE_CAN_FEC_2_3 | |
| 1529 | FE_CAN_FEC_3_4 | |
| 1530 | FE_CAN_FEC_5_6 | |
| 1531 | FE_CAN_FEC_7_8 | |
| 1532 | FE_CAN_FEC_AUTO | |
| 1533 | FE_CAN_QPSK | |
| 1534 | FE_CAN_QAM_16 | |
| 1535 | FE_CAN_QAM_64 | |
| 1536 | FE_CAN_QAM_AUTO | |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1537 | FE_CAN_TRANSMISSION_MODE_AUTO | |
| 1538 | FE_CAN_GUARD_INTERVAL_AUTO | |
| 1539 | FE_CAN_HIERARCHY_AUTO | |
| 1540 | FE_CAN_RECOVER | |
| 1541 | FE_CAN_MUTE_TS |
| 1542 | }, |
| 1543 | |
| 1544 | .release = af9013_release, |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1545 | |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1546 | .init = af9013_init, |
| 1547 | .sleep = af9013_sleep, |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1548 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1549 | .get_tune_settings = af9013_get_tune_settings, |
Mauro Carvalho Chehab | 59d3cc1 | 2011-12-30 22:25:27 -0300 | [diff] [blame] | 1550 | .set_frontend = af9013_set_frontend, |
| 1551 | .get_frontend = af9013_get_frontend, |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1552 | |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1553 | .read_status = af9013_read_status, |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1554 | .read_snr = af9013_read_snr, |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1555 | .read_signal_strength = af9013_read_signal_strength, |
| 1556 | .read_ber = af9013_read_ber, |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1557 | .read_ucblocks = af9013_read_ucblocks, |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1558 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1559 | .i2c_gate_ctrl = af9013_i2c_gate_ctrl, |
| 1560 | }; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1561 | |
| 1562 | MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>"); |
| 1563 | MODULE_DESCRIPTION("Afatech AF9013 DVB-T demodulator driver"); |
| 1564 | MODULE_LICENSE("GPL"); |
Antti Palosaari | a71103a | 2012-09-12 11:37:28 -0300 | [diff] [blame] | 1565 | MODULE_FIRMWARE(AF9013_FIRMWARE); |