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 | |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 27 | struct af9013_state { |
| 28 | struct i2c_adapter *i2c; |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 29 | struct dvb_frontend fe; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 30 | struct af9013_config config; |
| 31 | |
Antti Palosaari | 9e35cd2 | 2010-10-07 16:34:55 -0300 | [diff] [blame] | 32 | /* tuner/demod RF and IF AGC limits used for signal strength calc */ |
| 33 | u8 signal_strength_en, rf_50, rf_80, if_50, if_80; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 34 | u16 signal_strength; |
| 35 | u32 ber; |
| 36 | u32 ucblocks; |
| 37 | u16 snr; |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 38 | u32 bandwidth_hz; |
| 39 | fe_status_t fe_status; |
| 40 | unsigned long set_frontend_jiffies; |
| 41 | unsigned long read_status_jiffies; |
| 42 | bool first_tune; |
| 43 | bool i2c_gate_state; |
| 44 | unsigned int statistics_step:3; |
| 45 | struct delayed_work statistics_work; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 46 | }; |
| 47 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 48 | /* write multiple registers */ |
| 49 | static int af9013_wr_regs_i2c(struct af9013_state *priv, u8 mbox, u16 reg, |
| 50 | const u8 *val, int len) |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 51 | { |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 52 | int ret; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 53 | u8 buf[3+len]; |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 54 | struct i2c_msg msg[1] = { |
| 55 | { |
| 56 | .addr = priv->config.i2c_addr, |
| 57 | .flags = 0, |
| 58 | .len = sizeof(buf), |
| 59 | .buf = buf, |
| 60 | } |
| 61 | }; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 62 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 63 | buf[0] = (reg >> 8) & 0xff; |
| 64 | buf[1] = (reg >> 0) & 0xff; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 65 | buf[2] = mbox; |
| 66 | memcpy(&buf[3], val, len); |
| 67 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 68 | ret = i2c_transfer(priv->i2c, msg, 1); |
| 69 | if (ret == 1) { |
| 70 | ret = 0; |
| 71 | } else { |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 72 | dev_warn(&priv->i2c->dev, "%s: i2c wr failed=%d reg=%04x " \ |
| 73 | "len=%d\n", KBUILD_MODNAME, ret, reg, len); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 74 | ret = -EREMOTEIO; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 75 | } |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 76 | return ret; |
| 77 | } |
| 78 | |
| 79 | /* read multiple registers */ |
| 80 | static int af9013_rd_regs_i2c(struct af9013_state *priv, u8 mbox, u16 reg, |
| 81 | u8 *val, int len) |
| 82 | { |
| 83 | int ret; |
| 84 | u8 buf[3]; |
| 85 | struct i2c_msg msg[2] = { |
| 86 | { |
| 87 | .addr = priv->config.i2c_addr, |
| 88 | .flags = 0, |
| 89 | .len = 3, |
| 90 | .buf = buf, |
| 91 | }, { |
| 92 | .addr = priv->config.i2c_addr, |
| 93 | .flags = I2C_M_RD, |
| 94 | .len = len, |
| 95 | .buf = val, |
| 96 | } |
| 97 | }; |
| 98 | |
| 99 | buf[0] = (reg >> 8) & 0xff; |
| 100 | buf[1] = (reg >> 0) & 0xff; |
| 101 | buf[2] = mbox; |
| 102 | |
| 103 | ret = i2c_transfer(priv->i2c, msg, 2); |
| 104 | if (ret == 2) { |
| 105 | ret = 0; |
| 106 | } else { |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 107 | dev_warn(&priv->i2c->dev, "%s: i2c rd failed=%d reg=%04x " \ |
| 108 | "len=%d\n", KBUILD_MODNAME, ret, reg, len); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 109 | ret = -EREMOTEIO; |
| 110 | } |
| 111 | return ret; |
| 112 | } |
| 113 | |
| 114 | /* write multiple registers */ |
| 115 | static int af9013_wr_regs(struct af9013_state *priv, u16 reg, const u8 *val, |
| 116 | int len) |
| 117 | { |
| 118 | int ret, i; |
| 119 | u8 mbox = (0 << 7)|(0 << 6)|(1 << 1)|(1 << 0); |
| 120 | |
Dan Carpenter | 938ca36 | 2012-01-05 02:23:28 -0300 | [diff] [blame] | 121 | if ((priv->config.ts_mode == AF9013_TS_USB) && |
| 122 | ((reg & 0xff00) != 0xff00) && ((reg & 0xff00) != 0xae00)) { |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 123 | mbox |= ((len - 1) << 2); |
| 124 | ret = af9013_wr_regs_i2c(priv, mbox, reg, val, len); |
| 125 | } else { |
| 126 | for (i = 0; i < len; i++) { |
| 127 | ret = af9013_wr_regs_i2c(priv, mbox, reg+i, val+i, 1); |
| 128 | if (ret) |
| 129 | goto err; |
| 130 | } |
| 131 | } |
| 132 | |
| 133 | err: |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 134 | return 0; |
| 135 | } |
| 136 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 137 | /* read multiple registers */ |
| 138 | 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] | 139 | { |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 140 | int ret, i; |
| 141 | u8 mbox = (0 << 7)|(0 << 6)|(1 << 1)|(0 << 0); |
| 142 | |
Dan Carpenter | 938ca36 | 2012-01-05 02:23:28 -0300 | [diff] [blame] | 143 | if ((priv->config.ts_mode == AF9013_TS_USB) && |
| 144 | ((reg & 0xff00) != 0xff00) && ((reg & 0xff00) != 0xae00)) { |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 145 | mbox |= ((len - 1) << 2); |
| 146 | ret = af9013_rd_regs_i2c(priv, mbox, reg, val, len); |
| 147 | } else { |
| 148 | for (i = 0; i < len; i++) { |
| 149 | ret = af9013_rd_regs_i2c(priv, mbox, reg+i, val+i, 1); |
| 150 | if (ret) |
| 151 | goto err; |
| 152 | } |
| 153 | } |
| 154 | |
| 155 | err: |
| 156 | return 0; |
| 157 | } |
| 158 | |
| 159 | /* write single register */ |
| 160 | static int af9013_wr_reg(struct af9013_state *priv, u16 reg, u8 val) |
| 161 | { |
| 162 | return af9013_wr_regs(priv, reg, &val, 1); |
| 163 | } |
| 164 | |
| 165 | /* read single register */ |
| 166 | static int af9013_rd_reg(struct af9013_state *priv, u16 reg, u8 *val) |
| 167 | { |
| 168 | return af9013_rd_regs(priv, reg, val, 1); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 169 | } |
| 170 | |
| 171 | static int af9013_write_ofsm_regs(struct af9013_state *state, u16 reg, u8 *val, |
| 172 | u8 len) |
| 173 | { |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 174 | u8 mbox = (1 << 7)|(1 << 6)|((len - 1) << 2)|(1 << 1)|(1 << 0); |
| 175 | return af9013_wr_regs_i2c(state, mbox, reg, val, len); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 176 | } |
| 177 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 178 | static int af9013_wr_reg_bits(struct af9013_state *state, u16 reg, int pos, |
| 179 | int len, u8 val) |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 180 | { |
| 181 | int ret; |
| 182 | u8 tmp, mask; |
| 183 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 184 | /* no need for read if whole reg is written */ |
| 185 | if (len != 8) { |
| 186 | ret = af9013_rd_reg(state, reg, &tmp); |
| 187 | if (ret) |
| 188 | return ret; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 189 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 190 | mask = (0xff >> (8 - len)) << pos; |
| 191 | val <<= pos; |
| 192 | tmp &= ~mask; |
| 193 | val |= tmp; |
| 194 | } |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 195 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 196 | return af9013_wr_reg(state, reg, val); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 197 | } |
| 198 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 199 | static int af9013_rd_reg_bits(struct af9013_state *state, u16 reg, int pos, |
| 200 | int len, u8 *val) |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 201 | { |
| 202 | int ret; |
| 203 | u8 tmp; |
| 204 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 205 | ret = af9013_rd_reg(state, reg, &tmp); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 206 | if (ret) |
| 207 | return ret; |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 208 | |
| 209 | *val = (tmp >> pos); |
| 210 | *val &= (0xff >> (8 - len)); |
| 211 | |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 212 | return 0; |
| 213 | } |
| 214 | |
| 215 | static int af9013_set_gpio(struct af9013_state *state, u8 gpio, u8 gpioval) |
| 216 | { |
| 217 | int ret; |
| 218 | u8 pos; |
| 219 | u16 addr; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 220 | |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 221 | dev_dbg(&state->i2c->dev, "%s: gpio=%d gpioval=%02x\n", |
| 222 | __func__, gpio, gpioval); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 223 | |
| 224 | /* |
| 225 | * GPIO0 & GPIO1 0xd735 |
| 226 | * GPIO2 & GPIO3 0xd736 |
| 227 | */ |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 228 | |
| 229 | switch (gpio) { |
| 230 | case 0: |
| 231 | case 1: |
| 232 | addr = 0xd735; |
| 233 | break; |
| 234 | case 2: |
| 235 | case 3: |
| 236 | addr = 0xd736; |
| 237 | break; |
| 238 | |
| 239 | default: |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 240 | dev_err(&state->i2c->dev, "%s: invalid gpio=%d\n", |
| 241 | KBUILD_MODNAME, gpio); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 242 | ret = -EINVAL; |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 243 | goto err; |
Peter Senna Tschudin | c2c1b41 | 2012-09-28 05:37:22 -0300 | [diff] [blame] | 244 | } |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 245 | |
| 246 | switch (gpio) { |
| 247 | case 0: |
| 248 | case 2: |
| 249 | pos = 0; |
| 250 | break; |
| 251 | case 1: |
| 252 | case 3: |
| 253 | default: |
| 254 | pos = 4; |
| 255 | break; |
Peter Senna Tschudin | c2c1b41 | 2012-09-28 05:37:22 -0300 | [diff] [blame] | 256 | } |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 257 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 258 | ret = af9013_wr_reg_bits(state, addr, pos, 4, gpioval); |
| 259 | if (ret) |
| 260 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 261 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 262 | return ret; |
| 263 | err: |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 264 | dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 265 | return ret; |
| 266 | } |
| 267 | |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 268 | 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] | 269 | { |
| 270 | u32 r = 0, c = 0, i; |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 271 | |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 272 | 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] | 273 | |
| 274 | if (a > b) { |
| 275 | c = a / b; |
| 276 | a = a - c * b; |
| 277 | } |
| 278 | |
| 279 | for (i = 0; i < x; i++) { |
| 280 | if (a >= b) { |
| 281 | r += 1; |
| 282 | a -= b; |
| 283 | } |
| 284 | a <<= 1; |
| 285 | r <<= 1; |
| 286 | } |
| 287 | r = (c << (u32)x) + r; |
| 288 | |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 289 | dev_dbg(&state->i2c->dev, "%s: a=%d b=%d x=%d r=%d r=%x\n", |
| 290 | __func__, a, b, x, r, r); |
| 291 | |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 292 | return r; |
| 293 | } |
| 294 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 295 | static int af9013_power_ctrl(struct af9013_state *state, u8 onoff) |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 296 | { |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 297 | int ret, i; |
| 298 | u8 tmp; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 299 | |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 300 | dev_dbg(&state->i2c->dev, "%s: onoff=%d\n", __func__, onoff); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 301 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 302 | /* enable reset */ |
| 303 | ret = af9013_wr_reg_bits(state, 0xd417, 4, 1, 1); |
| 304 | if (ret) |
| 305 | goto err; |
Antti Palosaari | 9b22edd | 2010-09-12 20:48:58 -0300 | [diff] [blame] | 306 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 307 | /* start reset mechanism */ |
| 308 | ret = af9013_wr_reg(state, 0xaeff, 1); |
| 309 | if (ret) |
| 310 | goto err; |
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 | /* wait reset performs */ |
| 313 | for (i = 0; i < 150; i++) { |
| 314 | ret = af9013_rd_reg_bits(state, 0xd417, 1, 1, &tmp); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 315 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 316 | goto err; |
| 317 | |
| 318 | if (tmp) |
| 319 | break; /* reset done */ |
| 320 | |
| 321 | usleep_range(5000, 25000); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 322 | } |
| 323 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 324 | if (!tmp) |
| 325 | return -ETIMEDOUT; |
| 326 | |
| 327 | if (onoff) { |
| 328 | /* clear reset */ |
| 329 | ret = af9013_wr_reg_bits(state, 0xd417, 1, 1, 0); |
| 330 | if (ret) |
| 331 | goto err; |
| 332 | |
| 333 | /* disable reset */ |
| 334 | ret = af9013_wr_reg_bits(state, 0xd417, 4, 1, 0); |
| 335 | |
| 336 | /* power on */ |
| 337 | ret = af9013_wr_reg_bits(state, 0xd73a, 3, 1, 0); |
| 338 | } else { |
| 339 | /* power off */ |
| 340 | ret = af9013_wr_reg_bits(state, 0xd73a, 3, 1, 1); |
| 341 | } |
| 342 | |
| 343 | return ret; |
| 344 | err: |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 345 | dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 346 | return ret; |
| 347 | } |
| 348 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 349 | static int af9013_statistics_ber_unc_start(struct dvb_frontend *fe) |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 350 | { |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 351 | struct af9013_state *state = fe->demodulator_priv; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 352 | int ret; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 353 | |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 354 | dev_dbg(&state->i2c->dev, "%s:\n", __func__); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 355 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 356 | /* reset and start BER counter */ |
| 357 | ret = af9013_wr_reg_bits(state, 0xd391, 4, 1, 1); |
| 358 | if (ret) |
| 359 | goto err; |
| 360 | |
| 361 | return ret; |
| 362 | err: |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 363 | dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 364 | return ret; |
| 365 | } |
| 366 | |
| 367 | static int af9013_statistics_ber_unc_result(struct dvb_frontend *fe) |
| 368 | { |
| 369 | struct af9013_state *state = fe->demodulator_priv; |
| 370 | int ret; |
| 371 | u8 buf[5]; |
| 372 | |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 373 | dev_dbg(&state->i2c->dev, "%s:\n", __func__); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 374 | |
| 375 | /* check if error bit count is ready */ |
| 376 | ret = af9013_rd_reg_bits(state, 0xd391, 4, 1, &buf[0]); |
| 377 | if (ret) |
| 378 | goto err; |
| 379 | |
| 380 | if (!buf[0]) { |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 381 | dev_dbg(&state->i2c->dev, "%s: not ready\n", __func__); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 382 | return 0; |
| 383 | } |
| 384 | |
| 385 | ret = af9013_rd_regs(state, 0xd387, buf, 5); |
| 386 | if (ret) |
| 387 | goto err; |
| 388 | |
| 389 | state->ber = (buf[2] << 16) | (buf[1] << 8) | buf[0]; |
| 390 | state->ucblocks += (buf[4] << 8) | buf[3]; |
| 391 | |
| 392 | return ret; |
| 393 | err: |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 394 | dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 395 | return ret; |
| 396 | } |
| 397 | |
| 398 | static int af9013_statistics_snr_start(struct dvb_frontend *fe) |
| 399 | { |
| 400 | struct af9013_state *state = fe->demodulator_priv; |
| 401 | int ret; |
| 402 | |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 403 | dev_dbg(&state->i2c->dev, "%s:\n", __func__); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 404 | |
| 405 | /* start SNR meas */ |
| 406 | ret = af9013_wr_reg_bits(state, 0xd2e1, 3, 1, 1); |
| 407 | if (ret) |
| 408 | goto err; |
| 409 | |
| 410 | return ret; |
| 411 | err: |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 412 | dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 413 | return ret; |
| 414 | } |
| 415 | |
| 416 | static int af9013_statistics_snr_result(struct dvb_frontend *fe) |
| 417 | { |
| 418 | struct af9013_state *state = fe->demodulator_priv; |
| 419 | int ret, i, len; |
| 420 | u8 buf[3], tmp; |
| 421 | u32 snr_val; |
| 422 | const struct af9013_snr *uninitialized_var(snr_lut); |
| 423 | |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 424 | dev_dbg(&state->i2c->dev, "%s:\n", __func__); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 425 | |
| 426 | /* check if SNR ready */ |
| 427 | ret = af9013_rd_reg_bits(state, 0xd2e1, 3, 1, &tmp); |
| 428 | if (ret) |
| 429 | goto err; |
| 430 | |
| 431 | if (!tmp) { |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 432 | dev_dbg(&state->i2c->dev, "%s: not ready\n", __func__); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 433 | return 0; |
| 434 | } |
| 435 | |
| 436 | /* read value */ |
| 437 | ret = af9013_rd_regs(state, 0xd2e3, buf, 3); |
| 438 | if (ret) |
| 439 | goto err; |
| 440 | |
| 441 | snr_val = (buf[2] << 16) | (buf[1] << 8) | buf[0]; |
| 442 | |
| 443 | /* read current modulation */ |
| 444 | ret = af9013_rd_reg(state, 0xd3c1, &tmp); |
| 445 | if (ret) |
| 446 | goto err; |
| 447 | |
| 448 | switch ((tmp >> 6) & 3) { |
| 449 | case 0: |
| 450 | len = ARRAY_SIZE(qpsk_snr_lut); |
| 451 | snr_lut = qpsk_snr_lut; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 452 | break; |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 453 | case 1: |
| 454 | len = ARRAY_SIZE(qam16_snr_lut); |
| 455 | snr_lut = qam16_snr_lut; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 456 | break; |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 457 | case 2: |
| 458 | len = ARRAY_SIZE(qam64_snr_lut); |
| 459 | snr_lut = qam64_snr_lut; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 460 | break; |
| 461 | default: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 462 | goto err; |
| 463 | break; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 464 | } |
| 465 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 466 | for (i = 0; i < len; i++) { |
| 467 | tmp = snr_lut[i].snr; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 468 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 469 | if (snr_val < snr_lut[i].val) |
| 470 | break; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 471 | } |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 472 | state->snr = tmp * 10; /* dB/10 */ |
| 473 | |
| 474 | return ret; |
| 475 | err: |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 476 | dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 477 | return ret; |
| 478 | } |
| 479 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 480 | static int af9013_statistics_signal_strength(struct dvb_frontend *fe) |
| 481 | { |
| 482 | struct af9013_state *state = fe->demodulator_priv; |
| 483 | int ret = 0; |
| 484 | u8 buf[2], rf_gain, if_gain; |
| 485 | int signal_strength; |
| 486 | |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 487 | dev_dbg(&state->i2c->dev, "%s:\n", __func__); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 488 | |
| 489 | if (!state->signal_strength_en) |
| 490 | return 0; |
| 491 | |
| 492 | ret = af9013_rd_regs(state, 0xd07c, buf, 2); |
| 493 | if (ret) |
| 494 | goto err; |
| 495 | |
| 496 | rf_gain = buf[0]; |
| 497 | if_gain = buf[1]; |
| 498 | |
| 499 | signal_strength = (0xffff / \ |
| 500 | (9 * (state->rf_50 + state->if_50) - \ |
| 501 | 11 * (state->rf_80 + state->if_80))) * \ |
| 502 | (10 * (rf_gain + if_gain) - \ |
| 503 | 11 * (state->rf_80 + state->if_80)); |
| 504 | if (signal_strength < 0) |
| 505 | signal_strength = 0; |
| 506 | else if (signal_strength > 0xffff) |
| 507 | signal_strength = 0xffff; |
| 508 | |
| 509 | state->signal_strength = signal_strength; |
| 510 | |
| 511 | return ret; |
| 512 | err: |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 513 | dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 514 | return ret; |
| 515 | } |
| 516 | |
| 517 | static void af9013_statistics_work(struct work_struct *work) |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 518 | { |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 519 | struct af9013_state *state = container_of(work, |
| 520 | struct af9013_state, statistics_work.work); |
| 521 | unsigned int next_msec; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 522 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 523 | /* update only signal strength when demod is not locked */ |
| 524 | if (!(state->fe_status & FE_HAS_LOCK)) { |
| 525 | state->statistics_step = 0; |
| 526 | state->ber = 0; |
| 527 | state->snr = 0; |
| 528 | } |
| 529 | |
| 530 | switch (state->statistics_step) { |
| 531 | default: |
| 532 | state->statistics_step = 0; |
| 533 | case 0: |
Hans Verkuil | fdf07b0 | 2012-04-20 08:04:48 -0300 | [diff] [blame] | 534 | af9013_statistics_signal_strength(&state->fe); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 535 | state->statistics_step++; |
| 536 | next_msec = 300; |
| 537 | break; |
| 538 | case 1: |
Hans Verkuil | fdf07b0 | 2012-04-20 08:04:48 -0300 | [diff] [blame] | 539 | af9013_statistics_snr_start(&state->fe); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 540 | state->statistics_step++; |
| 541 | next_msec = 200; |
| 542 | break; |
| 543 | case 2: |
Hans Verkuil | fdf07b0 | 2012-04-20 08:04:48 -0300 | [diff] [blame] | 544 | af9013_statistics_ber_unc_start(&state->fe); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 545 | state->statistics_step++; |
| 546 | next_msec = 1000; |
| 547 | break; |
| 548 | case 3: |
Hans Verkuil | fdf07b0 | 2012-04-20 08:04:48 -0300 | [diff] [blame] | 549 | af9013_statistics_snr_result(&state->fe); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 550 | state->statistics_step++; |
| 551 | next_msec = 400; |
| 552 | break; |
| 553 | case 4: |
Hans Verkuil | fdf07b0 | 2012-04-20 08:04:48 -0300 | [diff] [blame] | 554 | af9013_statistics_ber_unc_result(&state->fe); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 555 | state->statistics_step++; |
| 556 | next_msec = 100; |
| 557 | break; |
| 558 | } |
| 559 | |
| 560 | schedule_delayed_work(&state->statistics_work, |
| 561 | msecs_to_jiffies(next_msec)); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 562 | } |
| 563 | |
| 564 | static int af9013_get_tune_settings(struct dvb_frontend *fe, |
| 565 | struct dvb_frontend_tune_settings *fesettings) |
| 566 | { |
| 567 | fesettings->min_delay_ms = 800; |
| 568 | fesettings->step_size = 0; |
| 569 | fesettings->max_drift = 0; |
| 570 | |
| 571 | return 0; |
| 572 | } |
| 573 | |
Mauro Carvalho Chehab | 59d3cc1 | 2011-12-30 22:25:27 -0300 | [diff] [blame] | 574 | static int af9013_set_frontend(struct dvb_frontend *fe) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 575 | { |
| 576 | struct af9013_state *state = fe->demodulator_priv; |
| 577 | struct dtv_frontend_properties *c = &fe->dtv_property_cache; |
| 578 | int ret, i, sampling_freq; |
| 579 | bool auto_mode, spec_inv; |
| 580 | u8 buf[6]; |
| 581 | u32 if_frequency, freq_cw; |
| 582 | |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 583 | dev_dbg(&state->i2c->dev, "%s: frequency=%d bandwidth_hz=%d\n", |
| 584 | __func__, c->frequency, c->bandwidth_hz); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 585 | |
| 586 | /* program tuner */ |
| 587 | if (fe->ops.tuner_ops.set_params) |
Mauro Carvalho Chehab | 14d24d1 | 2011-12-24 12:24:33 -0300 | [diff] [blame] | 588 | fe->ops.tuner_ops.set_params(fe); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 589 | |
| 590 | /* program CFOE coefficients */ |
| 591 | if (c->bandwidth_hz != state->bandwidth_hz) { |
| 592 | for (i = 0; i < ARRAY_SIZE(coeff_lut); i++) { |
| 593 | if (coeff_lut[i].clock == state->config.clock && |
| 594 | coeff_lut[i].bandwidth_hz == c->bandwidth_hz) { |
| 595 | break; |
| 596 | } |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 597 | } |
| 598 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 599 | ret = af9013_wr_regs(state, 0xae00, coeff_lut[i].val, |
| 600 | sizeof(coeff_lut[i].val)); |
| 601 | } |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 602 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 603 | /* program frequency control */ |
| 604 | if (c->bandwidth_hz != state->bandwidth_hz || state->first_tune) { |
Antti Palosaari | 6d42b21 | 2011-11-13 00:26:17 -0300 | [diff] [blame] | 605 | /* get used IF frequency */ |
| 606 | if (fe->ops.tuner_ops.get_if_frequency) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 607 | fe->ops.tuner_ops.get_if_frequency(fe, &if_frequency); |
Antti Palosaari | 6d42b21 | 2011-11-13 00:26:17 -0300 | [diff] [blame] | 608 | else |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 609 | if_frequency = state->config.if_frequency; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 610 | |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 611 | dev_dbg(&state->i2c->dev, "%s: if_frequency=%d\n", |
| 612 | __func__, if_frequency); |
Antti Palosaari | ab2e06a | 2012-09-02 18:47:25 -0300 | [diff] [blame] | 613 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 614 | sampling_freq = if_frequency; |
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 | while (sampling_freq > (state->config.clock / 2)) |
| 617 | sampling_freq -= state->config.clock; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 618 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 619 | if (sampling_freq < 0) { |
| 620 | sampling_freq *= -1; |
| 621 | spec_inv = state->config.spec_inv; |
| 622 | } else { |
| 623 | spec_inv = !state->config.spec_inv; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 624 | } |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 625 | |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 626 | freq_cw = af9013_div(state, sampling_freq, state->config.clock, |
| 627 | 23); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 628 | |
| 629 | if (spec_inv) |
| 630 | freq_cw = 0x800000 - freq_cw; |
| 631 | |
| 632 | buf[0] = (freq_cw >> 0) & 0xff; |
| 633 | buf[1] = (freq_cw >> 8) & 0xff; |
| 634 | buf[2] = (freq_cw >> 16) & 0x7f; |
| 635 | |
| 636 | freq_cw = 0x800000 - freq_cw; |
| 637 | |
| 638 | buf[3] = (freq_cw >> 0) & 0xff; |
| 639 | buf[4] = (freq_cw >> 8) & 0xff; |
| 640 | buf[5] = (freq_cw >> 16) & 0x7f; |
| 641 | |
| 642 | ret = af9013_wr_regs(state, 0xd140, buf, 3); |
| 643 | if (ret) |
| 644 | goto err; |
| 645 | |
| 646 | ret = af9013_wr_regs(state, 0x9be7, buf, 6); |
| 647 | if (ret) |
| 648 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 649 | } |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 650 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 651 | /* clear TPS lock flag */ |
| 652 | ret = af9013_wr_reg_bits(state, 0xd330, 3, 1, 1); |
| 653 | if (ret) |
| 654 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 655 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 656 | /* clear MPEG2 lock flag */ |
| 657 | ret = af9013_wr_reg_bits(state, 0xd507, 6, 1, 0); |
| 658 | if (ret) |
| 659 | goto err; |
Antti Palosaari | a2f5a81 | 2009-07-10 20:03:43 -0300 | [diff] [blame] | 660 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 661 | /* empty channel function */ |
| 662 | ret = af9013_wr_reg_bits(state, 0x9bfe, 0, 1, 0); |
| 663 | if (ret) |
| 664 | goto err; |
| 665 | |
| 666 | /* empty DVB-T channel function */ |
| 667 | ret = af9013_wr_reg_bits(state, 0x9bc2, 0, 1, 0); |
| 668 | if (ret) |
| 669 | goto err; |
| 670 | |
| 671 | /* transmission parameters */ |
| 672 | auto_mode = false; |
| 673 | memset(buf, 0, 3); |
| 674 | |
| 675 | switch (c->transmission_mode) { |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 676 | case TRANSMISSION_MODE_AUTO: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 677 | auto_mode = 1; |
| 678 | break; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 679 | case TRANSMISSION_MODE_2K: |
| 680 | break; |
| 681 | case TRANSMISSION_MODE_8K: |
| 682 | buf[0] |= (1 << 0); |
| 683 | break; |
| 684 | default: |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 685 | dev_dbg(&state->i2c->dev, "%s: invalid transmission_mode\n", |
| 686 | __func__); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 687 | auto_mode = 1; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 688 | } |
| 689 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 690 | switch (c->guard_interval) { |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 691 | case GUARD_INTERVAL_AUTO: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 692 | auto_mode = 1; |
| 693 | break; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 694 | case GUARD_INTERVAL_1_32: |
| 695 | break; |
| 696 | case GUARD_INTERVAL_1_16: |
| 697 | buf[0] |= (1 << 2); |
| 698 | break; |
| 699 | case GUARD_INTERVAL_1_8: |
| 700 | buf[0] |= (2 << 2); |
| 701 | break; |
| 702 | case GUARD_INTERVAL_1_4: |
| 703 | buf[0] |= (3 << 2); |
| 704 | break; |
| 705 | default: |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 706 | dev_dbg(&state->i2c->dev, "%s: invalid guard_interval\n", |
| 707 | __func__); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 708 | auto_mode = 1; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 709 | } |
| 710 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 711 | switch (c->hierarchy) { |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 712 | case HIERARCHY_AUTO: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 713 | auto_mode = 1; |
| 714 | break; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 715 | case HIERARCHY_NONE: |
| 716 | break; |
| 717 | case HIERARCHY_1: |
| 718 | buf[0] |= (1 << 4); |
| 719 | break; |
| 720 | case HIERARCHY_2: |
| 721 | buf[0] |= (2 << 4); |
| 722 | break; |
| 723 | case HIERARCHY_4: |
| 724 | buf[0] |= (3 << 4); |
| 725 | break; |
| 726 | default: |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 727 | dev_dbg(&state->i2c->dev, "%s: invalid hierarchy\n", __func__); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 728 | auto_mode = 1; |
Peter Senna Tschudin | c2c1b41 | 2012-09-28 05:37:22 -0300 | [diff] [blame] | 729 | } |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 730 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 731 | switch (c->modulation) { |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 732 | case QAM_AUTO: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 733 | auto_mode = 1; |
| 734 | break; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 735 | case QPSK: |
| 736 | break; |
| 737 | case QAM_16: |
| 738 | buf[1] |= (1 << 6); |
| 739 | break; |
| 740 | case QAM_64: |
| 741 | buf[1] |= (2 << 6); |
| 742 | break; |
| 743 | default: |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 744 | dev_dbg(&state->i2c->dev, "%s: invalid modulation\n", __func__); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 745 | auto_mode = 1; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 746 | } |
| 747 | |
| 748 | /* Use HP. How and which case we can switch to LP? */ |
| 749 | buf[1] |= (1 << 4); |
| 750 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 751 | switch (c->code_rate_HP) { |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 752 | case FEC_AUTO: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 753 | auto_mode = 1; |
| 754 | break; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 755 | case FEC_1_2: |
| 756 | break; |
| 757 | case FEC_2_3: |
| 758 | buf[2] |= (1 << 0); |
| 759 | break; |
| 760 | case FEC_3_4: |
| 761 | buf[2] |= (2 << 0); |
| 762 | break; |
| 763 | case FEC_5_6: |
| 764 | buf[2] |= (3 << 0); |
| 765 | break; |
| 766 | case FEC_7_8: |
| 767 | buf[2] |= (4 << 0); |
| 768 | break; |
| 769 | default: |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 770 | dev_dbg(&state->i2c->dev, "%s: invalid code_rate_HP\n", |
| 771 | __func__); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 772 | auto_mode = 1; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 773 | } |
| 774 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 775 | switch (c->code_rate_LP) { |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 776 | case FEC_AUTO: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 777 | auto_mode = 1; |
| 778 | break; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 779 | case FEC_1_2: |
| 780 | break; |
| 781 | case FEC_2_3: |
| 782 | buf[2] |= (1 << 3); |
| 783 | break; |
| 784 | case FEC_3_4: |
| 785 | buf[2] |= (2 << 3); |
| 786 | break; |
| 787 | case FEC_5_6: |
| 788 | buf[2] |= (3 << 3); |
| 789 | break; |
| 790 | case FEC_7_8: |
| 791 | buf[2] |= (4 << 3); |
| 792 | break; |
| 793 | case FEC_NONE: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 794 | break; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 795 | default: |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 796 | dev_dbg(&state->i2c->dev, "%s: invalid code_rate_LP\n", |
| 797 | __func__); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 798 | auto_mode = 1; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 799 | } |
| 800 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 801 | switch (c->bandwidth_hz) { |
| 802 | case 6000000: |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 803 | break; |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 804 | case 7000000: |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 805 | buf[1] |= (1 << 2); |
| 806 | break; |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 807 | case 8000000: |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 808 | buf[1] |= (2 << 2); |
| 809 | break; |
| 810 | default: |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 811 | dev_dbg(&state->i2c->dev, "%s: invalid bandwidth_hz\n", |
| 812 | __func__); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 813 | ret = -EINVAL; |
| 814 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 815 | } |
| 816 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 817 | ret = af9013_wr_regs(state, 0xd3c0, buf, 3); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 818 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 819 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 820 | |
| 821 | if (auto_mode) { |
| 822 | /* clear easy mode flag */ |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 823 | ret = af9013_wr_reg(state, 0xaefd, 0); |
| 824 | if (ret) |
| 825 | goto err; |
| 826 | |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 827 | dev_dbg(&state->i2c->dev, "%s: auto params\n", __func__); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 828 | } else { |
| 829 | /* set easy mode flag */ |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 830 | ret = af9013_wr_reg(state, 0xaefd, 1); |
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; |
| 833 | |
| 834 | ret = af9013_wr_reg(state, 0xaefe, 0); |
| 835 | if (ret) |
| 836 | goto err; |
| 837 | |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 838 | dev_dbg(&state->i2c->dev, "%s: manual params\n", __func__); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 839 | } |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 840 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 841 | /* tune */ |
| 842 | ret = af9013_wr_reg(state, 0xffff, 0); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 843 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 844 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 845 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 846 | state->bandwidth_hz = c->bandwidth_hz; |
| 847 | state->set_frontend_jiffies = jiffies; |
| 848 | state->first_tune = false; |
| 849 | |
| 850 | return ret; |
| 851 | err: |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 852 | dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 853 | return ret; |
| 854 | } |
| 855 | |
Mauro Carvalho Chehab | 7c61d80 | 2011-12-30 11:30:21 -0300 | [diff] [blame] | 856 | static int af9013_get_frontend(struct dvb_frontend *fe) |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 857 | { |
Mauro Carvalho Chehab | 7c61d80 | 2011-12-30 11:30:21 -0300 | [diff] [blame] | 858 | struct dtv_frontend_properties *c = &fe->dtv_property_cache; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 859 | struct af9013_state *state = fe->demodulator_priv; |
| 860 | int ret; |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 861 | u8 buf[3]; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 862 | |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 863 | dev_dbg(&state->i2c->dev, "%s:\n", __func__); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 864 | |
| 865 | ret = af9013_rd_regs(state, 0xd3c0, buf, 3); |
| 866 | if (ret) |
| 867 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 868 | |
| 869 | switch ((buf[1] >> 6) & 3) { |
| 870 | case 0: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 871 | c->modulation = QPSK; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 872 | break; |
| 873 | case 1: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 874 | c->modulation = QAM_16; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 875 | break; |
| 876 | case 2: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 877 | c->modulation = QAM_64; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 878 | break; |
| 879 | } |
| 880 | |
| 881 | switch ((buf[0] >> 0) & 3) { |
| 882 | case 0: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 883 | c->transmission_mode = TRANSMISSION_MODE_2K; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 884 | break; |
| 885 | case 1: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 886 | c->transmission_mode = TRANSMISSION_MODE_8K; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 887 | } |
| 888 | |
| 889 | switch ((buf[0] >> 2) & 3) { |
| 890 | case 0: |
Gianluca Gennari | 6a2329a | 2012-01-03 13:47:35 -0300 | [diff] [blame] | 891 | c->guard_interval = GUARD_INTERVAL_1_32; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 892 | break; |
| 893 | case 1: |
Gianluca Gennari | 6a2329a | 2012-01-03 13:47:35 -0300 | [diff] [blame] | 894 | c->guard_interval = GUARD_INTERVAL_1_16; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 895 | break; |
| 896 | case 2: |
Gianluca Gennari | 6a2329a | 2012-01-03 13:47:35 -0300 | [diff] [blame] | 897 | c->guard_interval = GUARD_INTERVAL_1_8; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 898 | break; |
| 899 | case 3: |
Gianluca Gennari | 6a2329a | 2012-01-03 13:47:35 -0300 | [diff] [blame] | 900 | c->guard_interval = GUARD_INTERVAL_1_4; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 901 | break; |
| 902 | } |
| 903 | |
| 904 | switch ((buf[0] >> 4) & 7) { |
| 905 | case 0: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 906 | c->hierarchy = HIERARCHY_NONE; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 907 | break; |
| 908 | case 1: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 909 | c->hierarchy = HIERARCHY_1; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 910 | break; |
| 911 | case 2: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 912 | c->hierarchy = HIERARCHY_2; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 913 | break; |
| 914 | case 3: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 915 | c->hierarchy = HIERARCHY_4; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 916 | break; |
| 917 | } |
| 918 | |
| 919 | switch ((buf[2] >> 0) & 7) { |
| 920 | case 0: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 921 | c->code_rate_HP = FEC_1_2; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 922 | break; |
| 923 | case 1: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 924 | c->code_rate_HP = FEC_2_3; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 925 | break; |
| 926 | case 2: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 927 | c->code_rate_HP = FEC_3_4; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 928 | break; |
| 929 | case 3: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 930 | c->code_rate_HP = FEC_5_6; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 931 | break; |
| 932 | case 4: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 933 | c->code_rate_HP = FEC_7_8; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 934 | break; |
| 935 | } |
| 936 | |
| 937 | switch ((buf[2] >> 3) & 7) { |
| 938 | case 0: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 939 | c->code_rate_LP = FEC_1_2; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 940 | break; |
| 941 | case 1: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 942 | c->code_rate_LP = FEC_2_3; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 943 | break; |
| 944 | case 2: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 945 | c->code_rate_LP = FEC_3_4; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 946 | break; |
| 947 | case 3: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 948 | c->code_rate_LP = FEC_5_6; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 949 | break; |
| 950 | case 4: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 951 | c->code_rate_LP = FEC_7_8; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 952 | break; |
| 953 | } |
| 954 | |
| 955 | switch ((buf[1] >> 2) & 3) { |
| 956 | case 0: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 957 | c->bandwidth_hz = 6000000; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 958 | break; |
| 959 | case 1: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 960 | c->bandwidth_hz = 7000000; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 961 | break; |
| 962 | case 2: |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 963 | c->bandwidth_hz = 8000000; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 964 | break; |
| 965 | } |
| 966 | |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 967 | return ret; |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 968 | err: |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 969 | dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 970 | return ret; |
| 971 | } |
| 972 | |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 973 | static int af9013_read_status(struct dvb_frontend *fe, fe_status_t *status) |
| 974 | { |
| 975 | struct af9013_state *state = fe->demodulator_priv; |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 976 | int ret; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 977 | u8 tmp; |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 978 | |
| 979 | /* |
| 980 | * Return status from the cache if it is younger than 2000ms with the |
| 981 | * exception of last tune is done during 4000ms. |
| 982 | */ |
| 983 | if (time_is_after_jiffies( |
| 984 | state->read_status_jiffies + msecs_to_jiffies(2000)) && |
| 985 | time_is_before_jiffies( |
| 986 | state->set_frontend_jiffies + msecs_to_jiffies(4000)) |
| 987 | ) { |
| 988 | *status = state->fe_status; |
| 989 | return 0; |
| 990 | } else { |
| 991 | *status = 0; |
| 992 | } |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 993 | |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 994 | /* MPEG2 lock */ |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 995 | ret = af9013_rd_reg_bits(state, 0xd507, 6, 1, &tmp); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 996 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 997 | goto err; |
| 998 | |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 999 | if (tmp) |
Antti Palosaari | 8af5e38 | 2010-06-17 20:56:27 -0300 | [diff] [blame] | 1000 | *status |= FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_VITERBI | |
| 1001 | FE_HAS_SYNC | FE_HAS_LOCK; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1002 | |
Antti Palosaari | 8af5e38 | 2010-06-17 20:56:27 -0300 | [diff] [blame] | 1003 | if (!*status) { |
| 1004 | /* TPS lock */ |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1005 | ret = af9013_rd_reg_bits(state, 0xd330, 3, 1, &tmp); |
Antti Palosaari | 8af5e38 | 2010-06-17 20:56:27 -0300 | [diff] [blame] | 1006 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1007 | goto err; |
| 1008 | |
Antti Palosaari | 8af5e38 | 2010-06-17 20:56:27 -0300 | [diff] [blame] | 1009 | if (tmp) |
| 1010 | *status |= FE_HAS_SIGNAL | FE_HAS_CARRIER | |
| 1011 | FE_HAS_VITERBI; |
| 1012 | } |
| 1013 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1014 | state->fe_status = *status; |
| 1015 | state->read_status_jiffies = jiffies; |
Antti Palosaari | 8af5e38 | 2010-06-17 20:56:27 -0300 | [diff] [blame] | 1016 | |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1017 | return ret; |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1018 | err: |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 1019 | dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1020 | return ret; |
| 1021 | } |
| 1022 | |
| 1023 | static int af9013_read_snr(struct dvb_frontend *fe, u16 *snr) |
| 1024 | { |
| 1025 | struct af9013_state *state = fe->demodulator_priv; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1026 | *snr = state->snr; |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1027 | return 0; |
| 1028 | } |
| 1029 | |
| 1030 | static int af9013_read_signal_strength(struct dvb_frontend *fe, u16 *strength) |
| 1031 | { |
| 1032 | struct af9013_state *state = fe->demodulator_priv; |
| 1033 | *strength = state->signal_strength; |
| 1034 | return 0; |
| 1035 | } |
| 1036 | |
| 1037 | static int af9013_read_ber(struct dvb_frontend *fe, u32 *ber) |
| 1038 | { |
| 1039 | struct af9013_state *state = fe->demodulator_priv; |
| 1040 | *ber = state->ber; |
| 1041 | return 0; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1042 | } |
| 1043 | |
| 1044 | static int af9013_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks) |
| 1045 | { |
| 1046 | struct af9013_state *state = fe->demodulator_priv; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1047 | *ucblocks = state->ucblocks; |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1048 | return 0; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1049 | } |
| 1050 | |
| 1051 | static int af9013_init(struct dvb_frontend *fe) |
| 1052 | { |
| 1053 | struct af9013_state *state = fe->demodulator_priv; |
| 1054 | int ret, i, len; |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1055 | u8 buf[3], tmp; |
| 1056 | u32 adc_cw; |
| 1057 | const struct af9013_reg_bit *init; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1058 | |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 1059 | dev_dbg(&state->i2c->dev, "%s:\n", __func__); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1060 | |
| 1061 | /* power on */ |
| 1062 | ret = af9013_power_ctrl(state, 1); |
| 1063 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1064 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1065 | |
| 1066 | /* enable ADC */ |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1067 | ret = af9013_wr_reg(state, 0xd73a, 0xa4); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1068 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1069 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1070 | |
| 1071 | /* write API version to firmware */ |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1072 | ret = af9013_wr_regs(state, 0x9bf2, state->config.api_version, 4); |
| 1073 | if (ret) |
| 1074 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1075 | |
| 1076 | /* program ADC control */ |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1077 | switch (state->config.clock) { |
| 1078 | case 28800000: /* 28.800 MHz */ |
| 1079 | tmp = 0; |
| 1080 | break; |
| 1081 | case 20480000: /* 20.480 MHz */ |
| 1082 | tmp = 1; |
| 1083 | break; |
| 1084 | case 28000000: /* 28.000 MHz */ |
| 1085 | tmp = 2; |
| 1086 | break; |
| 1087 | case 25000000: /* 25.000 MHz */ |
| 1088 | tmp = 3; |
| 1089 | break; |
| 1090 | default: |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 1091 | dev_err(&state->i2c->dev, "%s: invalid clock\n", |
| 1092 | KBUILD_MODNAME); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1093 | return -EINVAL; |
| 1094 | } |
| 1095 | |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 1096 | adc_cw = af9013_div(state, state->config.clock, 1000000ul, 19); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1097 | buf[0] = (adc_cw >> 0) & 0xff; |
| 1098 | buf[1] = (adc_cw >> 8) & 0xff; |
| 1099 | buf[2] = (adc_cw >> 16) & 0xff; |
| 1100 | |
| 1101 | ret = af9013_wr_regs(state, 0xd180, buf, 3); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1102 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1103 | goto err; |
| 1104 | |
| 1105 | ret = af9013_wr_reg_bits(state, 0x9bd2, 0, 4, tmp); |
| 1106 | if (ret) |
| 1107 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1108 | |
| 1109 | /* set I2C master clock */ |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1110 | ret = af9013_wr_reg(state, 0xd416, 0x14); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1111 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1112 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1113 | |
| 1114 | /* set 16 embx */ |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1115 | ret = af9013_wr_reg_bits(state, 0xd700, 1, 1, 1); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1116 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1117 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1118 | |
| 1119 | /* set no trigger */ |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1120 | ret = af9013_wr_reg_bits(state, 0xd700, 2, 1, 0); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1121 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1122 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1123 | |
| 1124 | /* set read-update bit for constellation */ |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1125 | ret = af9013_wr_reg_bits(state, 0xd371, 1, 1, 1); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1126 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1127 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1128 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1129 | /* settings for mp2if */ |
| 1130 | if (state->config.ts_mode == AF9013_TS_USB) { |
| 1131 | /* AF9015 split PSB to 1.5k + 0.5k */ |
| 1132 | ret = af9013_wr_reg_bits(state, 0xd50b, 2, 1, 1); |
| 1133 | if (ret) |
| 1134 | goto err; |
| 1135 | } else { |
| 1136 | /* AF9013 change the output bit to data7 */ |
| 1137 | ret = af9013_wr_reg_bits(state, 0xd500, 3, 1, 1); |
| 1138 | if (ret) |
| 1139 | goto err; |
| 1140 | |
| 1141 | /* AF9013 set mpeg to full speed */ |
| 1142 | ret = af9013_wr_reg_bits(state, 0xd502, 4, 1, 1); |
| 1143 | if (ret) |
| 1144 | goto err; |
| 1145 | } |
| 1146 | |
| 1147 | ret = af9013_wr_reg_bits(state, 0xd520, 4, 1, 1); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1148 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1149 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1150 | |
| 1151 | /* load OFSM settings */ |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 1152 | dev_dbg(&state->i2c->dev, "%s: load ofsm settings\n", __func__); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1153 | len = ARRAY_SIZE(ofsm_init); |
| 1154 | init = ofsm_init; |
| 1155 | for (i = 0; i < len; i++) { |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1156 | ret = af9013_wr_reg_bits(state, init[i].addr, init[i].pos, |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1157 | init[i].len, init[i].val); |
| 1158 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1159 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1160 | } |
| 1161 | |
| 1162 | /* load tuner specific settings */ |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 1163 | dev_dbg(&state->i2c->dev, "%s: load tuner specific settings\n", |
| 1164 | __func__); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1165 | switch (state->config.tuner) { |
| 1166 | case AF9013_TUNER_MXL5003D: |
| 1167 | len = ARRAY_SIZE(tuner_init_mxl5003d); |
| 1168 | init = tuner_init_mxl5003d; |
| 1169 | break; |
| 1170 | case AF9013_TUNER_MXL5005D: |
| 1171 | case AF9013_TUNER_MXL5005R: |
Antti Palosaari | a4f31d0 | 2010-09-09 14:53:59 -0300 | [diff] [blame] | 1172 | case AF9013_TUNER_MXL5007T: |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1173 | len = ARRAY_SIZE(tuner_init_mxl5005); |
| 1174 | init = tuner_init_mxl5005; |
| 1175 | break; |
| 1176 | case AF9013_TUNER_ENV77H11D5: |
| 1177 | len = ARRAY_SIZE(tuner_init_env77h11d5); |
| 1178 | init = tuner_init_env77h11d5; |
| 1179 | break; |
| 1180 | case AF9013_TUNER_MT2060: |
| 1181 | len = ARRAY_SIZE(tuner_init_mt2060); |
| 1182 | init = tuner_init_mt2060; |
| 1183 | break; |
| 1184 | case AF9013_TUNER_MC44S803: |
| 1185 | len = ARRAY_SIZE(tuner_init_mc44s803); |
| 1186 | init = tuner_init_mc44s803; |
| 1187 | break; |
| 1188 | case AF9013_TUNER_QT1010: |
| 1189 | case AF9013_TUNER_QT1010A: |
| 1190 | len = ARRAY_SIZE(tuner_init_qt1010); |
| 1191 | init = tuner_init_qt1010; |
| 1192 | break; |
| 1193 | case AF9013_TUNER_MT2060_2: |
| 1194 | len = ARRAY_SIZE(tuner_init_mt2060_2); |
| 1195 | init = tuner_init_mt2060_2; |
| 1196 | break; |
| 1197 | case AF9013_TUNER_TDA18271: |
Antti Palosaari | 2158e50 | 2010-08-13 03:49:24 -0300 | [diff] [blame] | 1198 | case AF9013_TUNER_TDA18218: |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1199 | len = ARRAY_SIZE(tuner_init_tda18271); |
| 1200 | init = tuner_init_tda18271; |
| 1201 | break; |
| 1202 | case AF9013_TUNER_UNKNOWN: |
| 1203 | default: |
| 1204 | len = ARRAY_SIZE(tuner_init_unknown); |
| 1205 | init = tuner_init_unknown; |
| 1206 | break; |
| 1207 | } |
| 1208 | |
| 1209 | for (i = 0; i < len; i++) { |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1210 | ret = af9013_wr_reg_bits(state, init[i].addr, init[i].pos, |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1211 | init[i].len, init[i].val); |
| 1212 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1213 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1214 | } |
| 1215 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1216 | /* TS mode */ |
| 1217 | 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] | 1218 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1219 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1220 | |
| 1221 | /* enable lock led */ |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1222 | ret = af9013_wr_reg_bits(state, 0xd730, 0, 1, 1); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1223 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1224 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1225 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1226 | /* check if we support signal strength */ |
| 1227 | if (!state->signal_strength_en) { |
| 1228 | ret = af9013_rd_reg_bits(state, 0x9bee, 0, 1, |
| 1229 | &state->signal_strength_en); |
Antti Palosaari | 9e35cd2 | 2010-10-07 16:34:55 -0300 | [diff] [blame] | 1230 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1231 | goto err; |
Antti Palosaari | 9e35cd2 | 2010-10-07 16:34:55 -0300 | [diff] [blame] | 1232 | } |
| 1233 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1234 | /* read values needed for signal strength calculation */ |
| 1235 | if (state->signal_strength_en && !state->rf_50) { |
| 1236 | ret = af9013_rd_reg(state, 0x9bbd, &state->rf_50); |
| 1237 | if (ret) |
| 1238 | goto err; |
| 1239 | |
| 1240 | ret = af9013_rd_reg(state, 0x9bd0, &state->rf_80); |
| 1241 | if (ret) |
| 1242 | goto err; |
| 1243 | |
| 1244 | ret = af9013_rd_reg(state, 0x9be2, &state->if_50); |
| 1245 | if (ret) |
| 1246 | goto err; |
| 1247 | |
| 1248 | ret = af9013_rd_reg(state, 0x9be4, &state->if_80); |
| 1249 | if (ret) |
| 1250 | goto err; |
| 1251 | } |
| 1252 | |
| 1253 | /* SNR */ |
| 1254 | ret = af9013_wr_reg(state, 0xd2e2, 1); |
| 1255 | if (ret) |
| 1256 | goto err; |
| 1257 | |
| 1258 | /* BER / UCB */ |
| 1259 | buf[0] = (10000 >> 0) & 0xff; |
| 1260 | buf[1] = (10000 >> 8) & 0xff; |
| 1261 | ret = af9013_wr_regs(state, 0xd385, buf, 2); |
| 1262 | if (ret) |
| 1263 | goto err; |
| 1264 | |
| 1265 | /* enable FEC monitor */ |
| 1266 | ret = af9013_wr_reg_bits(state, 0xd392, 1, 1, 1); |
| 1267 | if (ret) |
| 1268 | goto err; |
| 1269 | |
| 1270 | state->first_tune = true; |
| 1271 | schedule_delayed_work(&state->statistics_work, msecs_to_jiffies(400)); |
| 1272 | |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1273 | return ret; |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1274 | err: |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 1275 | dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1276 | return ret; |
| 1277 | } |
| 1278 | |
| 1279 | static int af9013_sleep(struct dvb_frontend *fe) |
| 1280 | { |
| 1281 | struct af9013_state *state = fe->demodulator_priv; |
| 1282 | int ret; |
| 1283 | |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 1284 | dev_dbg(&state->i2c->dev, "%s:\n", __func__); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1285 | |
| 1286 | /* stop statistics polling */ |
| 1287 | cancel_delayed_work_sync(&state->statistics_work); |
| 1288 | |
| 1289 | /* disable lock led */ |
| 1290 | ret = af9013_wr_reg_bits(state, 0xd730, 0, 1, 0); |
| 1291 | if (ret) |
| 1292 | goto err; |
| 1293 | |
| 1294 | /* power off */ |
| 1295 | ret = af9013_power_ctrl(state, 0); |
| 1296 | if (ret) |
| 1297 | goto err; |
| 1298 | |
| 1299 | return ret; |
| 1300 | err: |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 1301 | dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1302 | return ret; |
| 1303 | } |
| 1304 | |
| 1305 | static int af9013_i2c_gate_ctrl(struct dvb_frontend *fe, int enable) |
| 1306 | { |
| 1307 | int ret; |
| 1308 | struct af9013_state *state = fe->demodulator_priv; |
| 1309 | |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 1310 | dev_dbg(&state->i2c->dev, "%s: enable=%d\n", __func__, enable); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1311 | |
| 1312 | /* gate already open or close */ |
| 1313 | if (state->i2c_gate_state == enable) |
| 1314 | return 0; |
| 1315 | |
| 1316 | if (state->config.ts_mode == AF9013_TS_USB) |
| 1317 | ret = af9013_wr_reg_bits(state, 0xd417, 3, 1, enable); |
| 1318 | else |
| 1319 | ret = af9013_wr_reg_bits(state, 0xd607, 2, 1, enable); |
| 1320 | if (ret) |
| 1321 | goto err; |
| 1322 | |
| 1323 | state->i2c_gate_state = enable; |
| 1324 | |
| 1325 | return ret; |
| 1326 | err: |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 1327 | dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1328 | return ret; |
| 1329 | } |
| 1330 | |
| 1331 | static void af9013_release(struct dvb_frontend *fe) |
| 1332 | { |
| 1333 | struct af9013_state *state = fe->demodulator_priv; |
| 1334 | kfree(state); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1335 | } |
| 1336 | |
| 1337 | static struct dvb_frontend_ops af9013_ops; |
| 1338 | |
| 1339 | static int af9013_download_firmware(struct af9013_state *state) |
| 1340 | { |
Antti Palosaari | 6ed9d56 | 2011-03-19 18:02:22 -0300 | [diff] [blame] | 1341 | int i, len, remaining, ret; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1342 | const struct firmware *fw; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1343 | u16 checksum = 0; |
| 1344 | u8 val; |
| 1345 | u8 fw_params[4]; |
Antti Palosaari | a71103a | 2012-09-12 11:37:28 -0300 | [diff] [blame] | 1346 | u8 *fw_file = AF9013_FIRMWARE; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1347 | |
| 1348 | msleep(100); |
| 1349 | /* check whether firmware is already running */ |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1350 | ret = af9013_rd_reg(state, 0x98be, &val); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1351 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1352 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1353 | else |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 1354 | dev_dbg(&state->i2c->dev, "%s: firmware status=%02x\n", |
| 1355 | __func__, val); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1356 | |
| 1357 | if (val == 0x0c) /* fw is running, no need for download */ |
| 1358 | goto exit; |
| 1359 | |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 1360 | dev_info(&state->i2c->dev, "%s: found a '%s' in cold state, will try " \ |
| 1361 | "to load a firmware\n", |
| 1362 | KBUILD_MODNAME, af9013_ops.info.name); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1363 | |
| 1364 | /* request the firmware, this will block and timeout */ |
Jean Delvare | e978525 | 2009-04-26 05:43:59 -0300 | [diff] [blame] | 1365 | ret = request_firmware(&fw, fw_file, state->i2c->dev.parent); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1366 | if (ret) { |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 1367 | dev_info(&state->i2c->dev, "%s: did not find the firmware " \ |
| 1368 | "file. (%s) Please see linux/Documentation/dvb/ for " \ |
| 1369 | "more details on firmware-problems. (%d)\n", |
| 1370 | KBUILD_MODNAME, fw_file, ret); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1371 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1372 | } |
| 1373 | |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 1374 | dev_info(&state->i2c->dev, "%s: downloading firmware from file '%s'\n", |
| 1375 | KBUILD_MODNAME, fw_file); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1376 | |
| 1377 | /* calc checksum */ |
| 1378 | for (i = 0; i < fw->size; i++) |
| 1379 | checksum += fw->data[i]; |
| 1380 | |
| 1381 | fw_params[0] = checksum >> 8; |
| 1382 | fw_params[1] = checksum & 0xff; |
| 1383 | fw_params[2] = fw->size >> 8; |
| 1384 | fw_params[3] = fw->size & 0xff; |
| 1385 | |
| 1386 | /* write fw checksum & size */ |
| 1387 | ret = af9013_write_ofsm_regs(state, 0x50fc, |
| 1388 | fw_params, sizeof(fw_params)); |
| 1389 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1390 | goto err_release; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1391 | |
Antti Palosaari | 6ed9d56 | 2011-03-19 18:02:22 -0300 | [diff] [blame] | 1392 | #define FW_ADDR 0x5100 /* firmware start address */ |
| 1393 | #define LEN_MAX 16 /* max packet size */ |
| 1394 | for (remaining = fw->size; remaining > 0; remaining -= LEN_MAX) { |
| 1395 | len = remaining; |
| 1396 | if (len > LEN_MAX) |
| 1397 | len = LEN_MAX; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1398 | |
Antti Palosaari | 6ed9d56 | 2011-03-19 18:02:22 -0300 | [diff] [blame] | 1399 | ret = af9013_write_ofsm_regs(state, |
| 1400 | FW_ADDR + fw->size - remaining, |
| 1401 | (u8 *) &fw->data[fw->size - remaining], len); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1402 | if (ret) { |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 1403 | dev_err(&state->i2c->dev, |
| 1404 | "%s: firmware download failed=%d\n", |
| 1405 | KBUILD_MODNAME, ret); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1406 | goto err_release; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1407 | } |
| 1408 | } |
| 1409 | |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1410 | /* request boot firmware */ |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1411 | ret = af9013_wr_reg(state, 0xe205, 1); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1412 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1413 | goto err_release; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1414 | |
| 1415 | for (i = 0; i < 15; i++) { |
| 1416 | msleep(100); |
| 1417 | |
| 1418 | /* check firmware status */ |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1419 | ret = af9013_rd_reg(state, 0x98be, &val); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1420 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1421 | goto err_release; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1422 | |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 1423 | dev_dbg(&state->i2c->dev, "%s: firmware status=%02x\n", |
| 1424 | __func__, val); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1425 | |
| 1426 | if (val == 0x0c || val == 0x04) /* success or fail */ |
| 1427 | break; |
| 1428 | } |
| 1429 | |
| 1430 | if (val == 0x04) { |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 1431 | dev_err(&state->i2c->dev, "%s: firmware did not run\n", |
| 1432 | KBUILD_MODNAME); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1433 | ret = -ENODEV; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1434 | } else if (val != 0x0c) { |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 1435 | dev_err(&state->i2c->dev, "%s: firmware boot timeout\n", |
| 1436 | KBUILD_MODNAME); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1437 | ret = -ENODEV; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1438 | } |
| 1439 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1440 | err_release: |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1441 | release_firmware(fw); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1442 | err: |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1443 | exit: |
| 1444 | if (!ret) |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 1445 | dev_info(&state->i2c->dev, "%s: found a '%s' in warm state\n", |
| 1446 | KBUILD_MODNAME, af9013_ops.info.name); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1447 | return ret; |
| 1448 | } |
| 1449 | |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1450 | struct dvb_frontend *af9013_attach(const struct af9013_config *config, |
| 1451 | struct i2c_adapter *i2c) |
| 1452 | { |
| 1453 | int ret; |
| 1454 | struct af9013_state *state = NULL; |
Antti Palosaari | ce99efa | 2010-06-17 21:16:12 -0300 | [diff] [blame] | 1455 | u8 buf[4], i; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1456 | |
| 1457 | /* allocate memory for the internal state */ |
| 1458 | state = kzalloc(sizeof(struct af9013_state), GFP_KERNEL); |
| 1459 | if (state == NULL) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1460 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1461 | |
| 1462 | /* setup the state */ |
| 1463 | state->i2c = i2c; |
| 1464 | memcpy(&state->config, config, sizeof(struct af9013_config)); |
| 1465 | |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1466 | /* download firmware */ |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1467 | if (state->config.ts_mode != AF9013_TS_USB) { |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1468 | ret = af9013_download_firmware(state); |
| 1469 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1470 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1471 | } |
| 1472 | |
| 1473 | /* firmware version */ |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1474 | ret = af9013_rd_regs(state, 0x5103, buf, 4); |
Antti Palosaari | 109a299 | 2011-03-19 17:18:18 -0300 | [diff] [blame] | 1475 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1476 | goto err; |
Antti Palosaari | 109a299 | 2011-03-19 17:18:18 -0300 | [diff] [blame] | 1477 | |
Antti Palosaari | 8df379c | 2012-09-12 20:23:43 -0300 | [diff] [blame] | 1478 | dev_info(&state->i2c->dev, "%s: firmware version %d.%d.%d.%d\n", |
| 1479 | KBUILD_MODNAME, buf[0], buf[1], buf[2], buf[3]); |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1480 | |
| 1481 | /* set GPIOs */ |
| 1482 | for (i = 0; i < sizeof(state->config.gpio); i++) { |
| 1483 | ret = af9013_set_gpio(state, i, state->config.gpio[i]); |
| 1484 | if (ret) |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1485 | goto err; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1486 | } |
| 1487 | |
| 1488 | /* create dvb_frontend */ |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1489 | memcpy(&state->fe.ops, &af9013_ops, |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1490 | sizeof(struct dvb_frontend_ops)); |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1491 | state->fe.demodulator_priv = state; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1492 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1493 | INIT_DELAYED_WORK(&state->statistics_work, af9013_statistics_work); |
| 1494 | |
| 1495 | return &state->fe; |
| 1496 | err: |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1497 | kfree(state); |
| 1498 | return NULL; |
| 1499 | } |
| 1500 | EXPORT_SYMBOL(af9013_attach); |
| 1501 | |
| 1502 | static struct dvb_frontend_ops af9013_ops = { |
Mauro Carvalho Chehab | 59d3cc1 | 2011-12-30 22:25:27 -0300 | [diff] [blame] | 1503 | .delsys = { SYS_DVBT }, |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1504 | .info = { |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1505 | .name = "Afatech AF9013", |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1506 | .frequency_min = 174000000, |
| 1507 | .frequency_max = 862000000, |
| 1508 | .frequency_stepsize = 250000, |
| 1509 | .frequency_tolerance = 0, |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1510 | .caps = FE_CAN_FEC_1_2 | |
| 1511 | FE_CAN_FEC_2_3 | |
| 1512 | FE_CAN_FEC_3_4 | |
| 1513 | FE_CAN_FEC_5_6 | |
| 1514 | FE_CAN_FEC_7_8 | |
| 1515 | FE_CAN_FEC_AUTO | |
| 1516 | FE_CAN_QPSK | |
| 1517 | FE_CAN_QAM_16 | |
| 1518 | FE_CAN_QAM_64 | |
| 1519 | FE_CAN_QAM_AUTO | |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1520 | FE_CAN_TRANSMISSION_MODE_AUTO | |
| 1521 | FE_CAN_GUARD_INTERVAL_AUTO | |
| 1522 | FE_CAN_HIERARCHY_AUTO | |
| 1523 | FE_CAN_RECOVER | |
| 1524 | FE_CAN_MUTE_TS |
| 1525 | }, |
| 1526 | |
| 1527 | .release = af9013_release, |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1528 | |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1529 | .init = af9013_init, |
| 1530 | .sleep = af9013_sleep, |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1531 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1532 | .get_tune_settings = af9013_get_tune_settings, |
Mauro Carvalho Chehab | 59d3cc1 | 2011-12-30 22:25:27 -0300 | [diff] [blame] | 1533 | .set_frontend = af9013_set_frontend, |
| 1534 | .get_frontend = af9013_get_frontend, |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1535 | |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1536 | .read_status = af9013_read_status, |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1537 | .read_snr = af9013_read_snr, |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1538 | .read_signal_strength = af9013_read_signal_strength, |
| 1539 | .read_ber = af9013_read_ber, |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1540 | .read_ucblocks = af9013_read_ucblocks, |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1541 | |
Antti Palosaari | f571e00 | 2011-11-28 20:58:11 -0300 | [diff] [blame] | 1542 | .i2c_gate_ctrl = af9013_i2c_gate_ctrl, |
| 1543 | }; |
Antti Palosaari | 825b967 | 2008-09-15 15:01:52 -0300 | [diff] [blame] | 1544 | |
| 1545 | MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>"); |
| 1546 | MODULE_DESCRIPTION("Afatech AF9013 DVB-T demodulator driver"); |
| 1547 | MODULE_LICENSE("GPL"); |
Antti Palosaari | a71103a | 2012-09-12 11:37:28 -0300 | [diff] [blame] | 1548 | MODULE_FIRMWARE(AF9013_FIRMWARE); |