Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 1 | /* |
| 2 | * stv0900_core.c |
| 3 | * |
| 4 | * Driver for ST STV0900 satellite demodulator IC. |
| 5 | * |
| 6 | * Copyright (C) ST Microelectronics. |
| 7 | * Copyright (C) 2009 NetUP Inc. |
| 8 | * Copyright (C) 2009 Igor M. Liplianin <liplianin@netup.ru> |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of the GNU General Public License as published by |
| 12 | * the Free Software Foundation; either version 2 of the License, or |
| 13 | * (at your option) any later version. |
| 14 | * |
| 15 | * This program is distributed in the hope that it will be useful, |
| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | * |
| 19 | * GNU General Public License for more details. |
| 20 | * |
| 21 | * You should have received a copy of the GNU General Public License |
| 22 | * along with this program; if not, write to the Free Software |
| 23 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 24 | */ |
| 25 | |
| 26 | #include <linux/kernel.h> |
| 27 | #include <linux/module.h> |
| 28 | #include <linux/string.h> |
| 29 | #include <linux/slab.h> |
| 30 | #include <linux/i2c.h> |
| 31 | |
| 32 | #include "stv0900.h" |
| 33 | #include "stv0900_reg.h" |
| 34 | #include "stv0900_priv.h" |
| 35 | #include "stv0900_init.h" |
| 36 | |
Igor M. Liplianin | 8171c20 | 2009-09-19 08:37:40 -0300 | [diff] [blame] | 37 | int stvdebug = 1; |
Randy Dunlap | 5a771cb | 2009-03-08 23:01:08 -0300 | [diff] [blame] | 38 | module_param_named(debug, stvdebug, int, 0644); |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 39 | |
| 40 | /* internal params node */ |
| 41 | struct stv0900_inode { |
| 42 | /* pointer for internal params, one for each pair of demods */ |
| 43 | struct stv0900_internal *internal; |
| 44 | struct stv0900_inode *next_inode; |
| 45 | }; |
| 46 | |
| 47 | /* first internal params */ |
| 48 | static struct stv0900_inode *stv0900_first_inode; |
| 49 | |
| 50 | /* find chip by i2c adapter and i2c address */ |
| 51 | static struct stv0900_inode *find_inode(struct i2c_adapter *i2c_adap, |
| 52 | u8 i2c_addr) |
| 53 | { |
| 54 | struct stv0900_inode *temp_chip = stv0900_first_inode; |
| 55 | |
| 56 | if (temp_chip != NULL) { |
| 57 | /* |
| 58 | Search of the last stv0900 chip or |
| 59 | find it by i2c adapter and i2c address */ |
| 60 | while ((temp_chip != NULL) && |
| 61 | ((temp_chip->internal->i2c_adap != i2c_adap) || |
Igor M. Liplianin | 78175bf | 2009-03-06 19:32:54 -0300 | [diff] [blame] | 62 | (temp_chip->internal->i2c_addr != i2c_addr))) |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 63 | |
| 64 | temp_chip = temp_chip->next_inode; |
Igor M. Liplianin | 78175bf | 2009-03-06 19:32:54 -0300 | [diff] [blame] | 65 | |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 66 | } |
| 67 | |
| 68 | return temp_chip; |
| 69 | } |
| 70 | |
| 71 | /* deallocating chip */ |
| 72 | static void remove_inode(struct stv0900_internal *internal) |
| 73 | { |
| 74 | struct stv0900_inode *prev_node = stv0900_first_inode; |
| 75 | struct stv0900_inode *del_node = find_inode(internal->i2c_adap, |
| 76 | internal->i2c_addr); |
| 77 | |
| 78 | if (del_node != NULL) { |
| 79 | if (del_node == stv0900_first_inode) { |
| 80 | stv0900_first_inode = del_node->next_inode; |
| 81 | } else { |
| 82 | while (prev_node->next_inode != del_node) |
| 83 | prev_node = prev_node->next_inode; |
| 84 | |
| 85 | if (del_node->next_inode == NULL) |
| 86 | prev_node->next_inode = NULL; |
| 87 | else |
| 88 | prev_node->next_inode = |
| 89 | prev_node->next_inode->next_inode; |
| 90 | } |
| 91 | |
| 92 | kfree(del_node); |
| 93 | } |
| 94 | } |
| 95 | |
| 96 | /* allocating new chip */ |
| 97 | static struct stv0900_inode *append_internal(struct stv0900_internal *internal) |
| 98 | { |
| 99 | struct stv0900_inode *new_node = stv0900_first_inode; |
| 100 | |
| 101 | if (new_node == NULL) { |
| 102 | new_node = kmalloc(sizeof(struct stv0900_inode), GFP_KERNEL); |
| 103 | stv0900_first_inode = new_node; |
| 104 | } else { |
| 105 | while (new_node->next_inode != NULL) |
| 106 | new_node = new_node->next_inode; |
| 107 | |
| 108 | new_node->next_inode = kmalloc(sizeof(struct stv0900_inode), GFP_KERNEL); |
| 109 | if (new_node->next_inode != NULL) |
| 110 | new_node = new_node->next_inode; |
| 111 | else |
| 112 | new_node = NULL; |
| 113 | } |
| 114 | |
| 115 | if (new_node != NULL) { |
| 116 | new_node->internal = internal; |
| 117 | new_node->next_inode = NULL; |
| 118 | } |
| 119 | |
| 120 | return new_node; |
| 121 | } |
| 122 | |
| 123 | s32 ge2comp(s32 a, s32 width) |
| 124 | { |
| 125 | if (width == 32) |
| 126 | return a; |
| 127 | else |
| 128 | return (a >= (1 << (width - 1))) ? (a - (1 << width)) : a; |
| 129 | } |
| 130 | |
| 131 | void stv0900_write_reg(struct stv0900_internal *i_params, u16 reg_addr, |
| 132 | u8 reg_data) |
| 133 | { |
| 134 | u8 data[3]; |
| 135 | int ret; |
| 136 | struct i2c_msg i2cmsg = { |
| 137 | .addr = i_params->i2c_addr, |
| 138 | .flags = 0, |
| 139 | .len = 3, |
| 140 | .buf = data, |
| 141 | }; |
| 142 | |
| 143 | data[0] = MSB(reg_addr); |
| 144 | data[1] = LSB(reg_addr); |
| 145 | data[2] = reg_data; |
| 146 | |
| 147 | ret = i2c_transfer(i_params->i2c_adap, &i2cmsg, 1); |
| 148 | if (ret != 1) |
Igor M. Liplianin | 8171c20 | 2009-09-19 08:37:40 -0300 | [diff] [blame] | 149 | dprintk("%s: i2c error %d\n", __func__, ret); |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 150 | } |
| 151 | |
Abylay Ospan | 68191ed | 2009-06-14 14:10:05 -0300 | [diff] [blame] | 152 | u8 stv0900_read_reg(struct stv0900_internal *i_params, u16 reg) |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 153 | { |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 154 | int ret; |
Abylay Ospan | 68191ed | 2009-06-14 14:10:05 -0300 | [diff] [blame] | 155 | u8 b0[] = { MSB(reg), LSB(reg) }; |
| 156 | u8 buf = 0; |
| 157 | struct i2c_msg msg[] = { |
| 158 | { |
| 159 | .addr = i_params->i2c_addr, |
| 160 | .flags = 0, |
| 161 | .buf = b0, |
| 162 | .len = 2, |
| 163 | }, { |
| 164 | .addr = i_params->i2c_addr, |
| 165 | .flags = I2C_M_RD, |
| 166 | .buf = &buf, |
| 167 | .len = 1, |
| 168 | }, |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 169 | }; |
| 170 | |
Abylay Ospan | 68191ed | 2009-06-14 14:10:05 -0300 | [diff] [blame] | 171 | ret = i2c_transfer(i_params->i2c_adap, msg, 2); |
| 172 | if (ret != 2) |
Igor M. Liplianin | 8171c20 | 2009-09-19 08:37:40 -0300 | [diff] [blame] | 173 | dprintk("%s: i2c error %d, reg[0x%02x]\n", |
Abylay Ospan | 68191ed | 2009-06-14 14:10:05 -0300 | [diff] [blame] | 174 | __func__, ret, reg); |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 175 | |
Abylay Ospan | 68191ed | 2009-06-14 14:10:05 -0300 | [diff] [blame] | 176 | return buf; |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 177 | } |
| 178 | |
| 179 | void extract_mask_pos(u32 label, u8 *mask, u8 *pos) |
| 180 | { |
| 181 | u8 position = 0, i = 0; |
| 182 | |
| 183 | (*mask) = label & 0xff; |
| 184 | |
| 185 | while ((position == 0) && (i < 8)) { |
| 186 | position = ((*mask) >> i) & 0x01; |
| 187 | i++; |
| 188 | } |
| 189 | |
| 190 | (*pos) = (i - 1); |
| 191 | } |
| 192 | |
| 193 | void stv0900_write_bits(struct stv0900_internal *i_params, u32 label, u8 val) |
| 194 | { |
| 195 | u8 reg, mask, pos; |
| 196 | |
| 197 | reg = stv0900_read_reg(i_params, (label >> 16) & 0xffff); |
| 198 | extract_mask_pos(label, &mask, &pos); |
| 199 | |
| 200 | val = mask & (val << pos); |
| 201 | |
| 202 | reg = (reg & (~mask)) | val; |
| 203 | stv0900_write_reg(i_params, (label >> 16) & 0xffff, reg); |
| 204 | |
| 205 | } |
| 206 | |
| 207 | u8 stv0900_get_bits(struct stv0900_internal *i_params, u32 label) |
| 208 | { |
| 209 | u8 val = 0xff; |
| 210 | u8 mask, pos; |
| 211 | |
| 212 | extract_mask_pos(label, &mask, &pos); |
| 213 | |
| 214 | val = stv0900_read_reg(i_params, label >> 16); |
| 215 | val = (val & mask) >> pos; |
| 216 | |
| 217 | return val; |
| 218 | } |
| 219 | |
| 220 | enum fe_stv0900_error stv0900_initialize(struct stv0900_internal *i_params) |
| 221 | { |
| 222 | s32 i; |
| 223 | enum fe_stv0900_error error; |
| 224 | |
| 225 | if (i_params != NULL) { |
| 226 | i_params->chip_id = stv0900_read_reg(i_params, R0900_MID); |
| 227 | if (i_params->errs == STV0900_NO_ERROR) { |
| 228 | /*Startup sequence*/ |
| 229 | stv0900_write_reg(i_params, R0900_P1_DMDISTATE, 0x5c); |
| 230 | stv0900_write_reg(i_params, R0900_P2_DMDISTATE, 0x5c); |
| 231 | stv0900_write_reg(i_params, R0900_P1_TNRCFG, 0x6c); |
| 232 | stv0900_write_reg(i_params, R0900_P2_TNRCFG, 0x6f); |
Abylay Ospan | fc7e4a3 | 2009-07-19 18:15:45 -0300 | [diff] [blame] | 233 | stv0900_write_reg(i_params, R0900_P1_I2CRPT, 0x20); |
| 234 | stv0900_write_reg(i_params, R0900_P2_I2CRPT, 0x20); |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 235 | stv0900_write_reg(i_params, R0900_NCOARSE, 0x13); |
| 236 | msleep(3); |
| 237 | stv0900_write_reg(i_params, R0900_I2CCFG, 0x08); |
| 238 | |
| 239 | switch (i_params->clkmode) { |
| 240 | case 0: |
| 241 | case 2: |
| 242 | stv0900_write_reg(i_params, R0900_SYNTCTRL, 0x20 |
| 243 | | i_params->clkmode); |
| 244 | break; |
| 245 | default: |
| 246 | /* preserve SELOSCI bit */ |
| 247 | i = 0x02 & stv0900_read_reg(i_params, R0900_SYNTCTRL); |
| 248 | stv0900_write_reg(i_params, R0900_SYNTCTRL, 0x20 | i); |
| 249 | break; |
| 250 | } |
| 251 | |
| 252 | msleep(3); |
Abylay Ospan | e9d4a6d | 2009-03-17 18:21:18 -0300 | [diff] [blame] | 253 | for (i = 0; i < 182; i++) |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 254 | stv0900_write_reg(i_params, STV0900_InitVal[i][0], STV0900_InitVal[i][1]); |
| 255 | |
| 256 | if (stv0900_read_reg(i_params, R0900_MID) >= 0x20) { |
| 257 | stv0900_write_reg(i_params, R0900_TSGENERAL, 0x0c); |
| 258 | for (i = 0; i < 32; i++) |
| 259 | stv0900_write_reg(i_params, STV0900_Cut20_AddOnVal[i][0], STV0900_Cut20_AddOnVal[i][1]); |
| 260 | } |
| 261 | |
| 262 | stv0900_write_reg(i_params, R0900_P1_FSPYCFG, 0x6c); |
| 263 | stv0900_write_reg(i_params, R0900_P2_FSPYCFG, 0x6c); |
| 264 | stv0900_write_reg(i_params, R0900_TSTRES0, 0x80); |
| 265 | stv0900_write_reg(i_params, R0900_TSTRES0, 0x00); |
| 266 | } |
| 267 | error = i_params->errs; |
| 268 | } else |
| 269 | error = STV0900_INVALID_HANDLE; |
| 270 | |
| 271 | return error; |
| 272 | |
| 273 | } |
| 274 | |
| 275 | u32 stv0900_get_mclk_freq(struct stv0900_internal *i_params, u32 ext_clk) |
| 276 | { |
| 277 | u32 mclk = 90000000, div = 0, ad_div = 0; |
| 278 | |
| 279 | div = stv0900_get_bits(i_params, F0900_M_DIV); |
| 280 | ad_div = ((stv0900_get_bits(i_params, F0900_SELX1RATIO) == 1) ? 4 : 6); |
| 281 | |
| 282 | mclk = (div + 1) * ext_clk / ad_div; |
| 283 | |
Igor M. Liplianin | 8171c20 | 2009-09-19 08:37:40 -0300 | [diff] [blame] | 284 | dprintk("%s: Calculated Mclk = %d\n", __func__, mclk); |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 285 | |
| 286 | return mclk; |
| 287 | } |
| 288 | |
| 289 | enum fe_stv0900_error stv0900_set_mclk(struct stv0900_internal *i_params, u32 mclk) |
| 290 | { |
| 291 | enum fe_stv0900_error error = STV0900_NO_ERROR; |
| 292 | u32 m_div, clk_sel; |
| 293 | |
Igor M. Liplianin | 8171c20 | 2009-09-19 08:37:40 -0300 | [diff] [blame] | 294 | dprintk("%s: Mclk set to %d, Quartz = %d\n", __func__, mclk, |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 295 | i_params->quartz); |
| 296 | |
| 297 | if (i_params == NULL) |
| 298 | error = STV0900_INVALID_HANDLE; |
| 299 | else { |
| 300 | if (i_params->errs) |
| 301 | error = STV0900_I2C_ERROR; |
| 302 | else { |
| 303 | clk_sel = ((stv0900_get_bits(i_params, F0900_SELX1RATIO) == 1) ? 4 : 6); |
| 304 | m_div = ((clk_sel * mclk) / i_params->quartz) - 1; |
| 305 | stv0900_write_bits(i_params, F0900_M_DIV, m_div); |
| 306 | i_params->mclk = stv0900_get_mclk_freq(i_params, |
| 307 | i_params->quartz); |
| 308 | |
| 309 | /*Set the DiseqC frequency to 22KHz */ |
| 310 | /* |
| 311 | Formula: |
| 312 | DiseqC_TX_Freq= MasterClock/(32*F22TX_Reg) |
| 313 | DiseqC_RX_Freq= MasterClock/(32*F22RX_Reg) |
| 314 | */ |
| 315 | m_div = i_params->mclk / 704000; |
| 316 | stv0900_write_reg(i_params, R0900_P1_F22TX, m_div); |
| 317 | stv0900_write_reg(i_params, R0900_P1_F22RX, m_div); |
| 318 | |
| 319 | stv0900_write_reg(i_params, R0900_P2_F22TX, m_div); |
| 320 | stv0900_write_reg(i_params, R0900_P2_F22RX, m_div); |
| 321 | |
| 322 | if ((i_params->errs)) |
| 323 | error = STV0900_I2C_ERROR; |
| 324 | } |
| 325 | } |
| 326 | |
| 327 | return error; |
| 328 | } |
| 329 | |
| 330 | u32 stv0900_get_err_count(struct stv0900_internal *i_params, int cntr, |
| 331 | enum fe_stv0900_demod_num demod) |
| 332 | { |
| 333 | u32 lsb, msb, hsb, err_val; |
| 334 | s32 err1field_hsb, err1field_msb, err1field_lsb; |
| 335 | s32 err2field_hsb, err2field_msb, err2field_lsb; |
| 336 | |
| 337 | dmd_reg(err1field_hsb, F0900_P1_ERR_CNT12, F0900_P2_ERR_CNT12); |
| 338 | dmd_reg(err1field_msb, F0900_P1_ERR_CNT11, F0900_P2_ERR_CNT11); |
| 339 | dmd_reg(err1field_lsb, F0900_P1_ERR_CNT10, F0900_P2_ERR_CNT10); |
| 340 | |
| 341 | dmd_reg(err2field_hsb, F0900_P1_ERR_CNT22, F0900_P2_ERR_CNT22); |
| 342 | dmd_reg(err2field_msb, F0900_P1_ERR_CNT21, F0900_P2_ERR_CNT21); |
| 343 | dmd_reg(err2field_lsb, F0900_P1_ERR_CNT20, F0900_P2_ERR_CNT20); |
| 344 | |
| 345 | switch (cntr) { |
| 346 | case 0: |
| 347 | default: |
| 348 | hsb = stv0900_get_bits(i_params, err1field_hsb); |
| 349 | msb = stv0900_get_bits(i_params, err1field_msb); |
| 350 | lsb = stv0900_get_bits(i_params, err1field_lsb); |
| 351 | break; |
| 352 | case 1: |
| 353 | hsb = stv0900_get_bits(i_params, err2field_hsb); |
| 354 | msb = stv0900_get_bits(i_params, err2field_msb); |
| 355 | lsb = stv0900_get_bits(i_params, err2field_lsb); |
| 356 | break; |
| 357 | } |
| 358 | |
| 359 | err_val = (hsb << 16) + (msb << 8) + (lsb); |
| 360 | |
| 361 | return err_val; |
| 362 | } |
| 363 | |
| 364 | static int stv0900_i2c_gate_ctrl(struct dvb_frontend *fe, int enable) |
| 365 | { |
| 366 | struct stv0900_state *state = fe->demodulator_priv; |
| 367 | struct stv0900_internal *i_params = state->internal; |
| 368 | enum fe_stv0900_demod_num demod = state->demod; |
| 369 | |
| 370 | u32 fi2c; |
| 371 | |
| 372 | dmd_reg(fi2c, F0900_P1_I2CT_ON, F0900_P2_I2CT_ON); |
Abylay Ospan | fc7e4a3 | 2009-07-19 18:15:45 -0300 | [diff] [blame] | 373 | |
| 374 | stv0900_write_bits(i_params, fi2c, enable); |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 375 | |
| 376 | return 0; |
| 377 | } |
| 378 | |
| 379 | static void stv0900_set_ts_parallel_serial(struct stv0900_internal *i_params, |
| 380 | enum fe_stv0900_clock_type path1_ts, |
| 381 | enum fe_stv0900_clock_type path2_ts) |
| 382 | { |
| 383 | |
Igor M. Liplianin | 8171c20 | 2009-09-19 08:37:40 -0300 | [diff] [blame] | 384 | dprintk("%s\n", __func__); |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 385 | |
| 386 | if (i_params->chip_id >= 0x20) { |
| 387 | switch (path1_ts) { |
| 388 | case STV0900_PARALLEL_PUNCT_CLOCK: |
| 389 | case STV0900_DVBCI_CLOCK: |
| 390 | switch (path2_ts) { |
| 391 | case STV0900_SERIAL_PUNCT_CLOCK: |
| 392 | case STV0900_SERIAL_CONT_CLOCK: |
| 393 | default: |
| 394 | stv0900_write_reg(i_params, R0900_TSGENERAL, |
| 395 | 0x00); |
| 396 | break; |
| 397 | case STV0900_PARALLEL_PUNCT_CLOCK: |
| 398 | case STV0900_DVBCI_CLOCK: |
| 399 | stv0900_write_reg(i_params, R0900_TSGENERAL, |
| 400 | 0x06); |
| 401 | stv0900_write_bits(i_params, |
| 402 | F0900_P1_TSFIFO_MANSPEED, 3); |
| 403 | stv0900_write_bits(i_params, |
| 404 | F0900_P2_TSFIFO_MANSPEED, 0); |
| 405 | stv0900_write_reg(i_params, |
| 406 | R0900_P1_TSSPEED, 0x14); |
| 407 | stv0900_write_reg(i_params, |
| 408 | R0900_P2_TSSPEED, 0x28); |
| 409 | break; |
| 410 | } |
| 411 | break; |
| 412 | case STV0900_SERIAL_PUNCT_CLOCK: |
| 413 | case STV0900_SERIAL_CONT_CLOCK: |
| 414 | default: |
| 415 | switch (path2_ts) { |
| 416 | case STV0900_SERIAL_PUNCT_CLOCK: |
| 417 | case STV0900_SERIAL_CONT_CLOCK: |
| 418 | default: |
| 419 | stv0900_write_reg(i_params, |
| 420 | R0900_TSGENERAL, 0x0C); |
| 421 | break; |
| 422 | case STV0900_PARALLEL_PUNCT_CLOCK: |
| 423 | case STV0900_DVBCI_CLOCK: |
| 424 | stv0900_write_reg(i_params, |
| 425 | R0900_TSGENERAL, 0x0A); |
Igor M. Liplianin | 8171c20 | 2009-09-19 08:37:40 -0300 | [diff] [blame] | 426 | dprintk("%s: 0x0a\n", __func__); |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 427 | break; |
| 428 | } |
| 429 | break; |
| 430 | } |
| 431 | } else { |
| 432 | switch (path1_ts) { |
| 433 | case STV0900_PARALLEL_PUNCT_CLOCK: |
| 434 | case STV0900_DVBCI_CLOCK: |
| 435 | switch (path2_ts) { |
| 436 | case STV0900_SERIAL_PUNCT_CLOCK: |
| 437 | case STV0900_SERIAL_CONT_CLOCK: |
| 438 | default: |
| 439 | stv0900_write_reg(i_params, R0900_TSGENERAL1X, |
| 440 | 0x10); |
| 441 | break; |
| 442 | case STV0900_PARALLEL_PUNCT_CLOCK: |
| 443 | case STV0900_DVBCI_CLOCK: |
| 444 | stv0900_write_reg(i_params, R0900_TSGENERAL1X, |
| 445 | 0x16); |
| 446 | stv0900_write_bits(i_params, |
| 447 | F0900_P1_TSFIFO_MANSPEED, 3); |
| 448 | stv0900_write_bits(i_params, |
| 449 | F0900_P2_TSFIFO_MANSPEED, 0); |
| 450 | stv0900_write_reg(i_params, R0900_P1_TSSPEED, |
| 451 | 0x14); |
| 452 | stv0900_write_reg(i_params, R0900_P2_TSSPEED, |
| 453 | 0x28); |
| 454 | break; |
| 455 | } |
| 456 | |
| 457 | break; |
| 458 | case STV0900_SERIAL_PUNCT_CLOCK: |
| 459 | case STV0900_SERIAL_CONT_CLOCK: |
| 460 | default: |
| 461 | switch (path2_ts) { |
| 462 | case STV0900_SERIAL_PUNCT_CLOCK: |
| 463 | case STV0900_SERIAL_CONT_CLOCK: |
| 464 | default: |
| 465 | stv0900_write_reg(i_params, R0900_TSGENERAL1X, |
| 466 | 0x14); |
| 467 | break; |
| 468 | case STV0900_PARALLEL_PUNCT_CLOCK: |
| 469 | case STV0900_DVBCI_CLOCK: |
| 470 | stv0900_write_reg(i_params, R0900_TSGENERAL1X, |
| 471 | 0x12); |
Igor M. Liplianin | 8171c20 | 2009-09-19 08:37:40 -0300 | [diff] [blame] | 472 | dprintk("%s: 0x12\n", __func__); |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 473 | break; |
| 474 | } |
| 475 | |
| 476 | break; |
| 477 | } |
| 478 | } |
| 479 | |
| 480 | switch (path1_ts) { |
| 481 | case STV0900_PARALLEL_PUNCT_CLOCK: |
| 482 | stv0900_write_bits(i_params, F0900_P1_TSFIFO_SERIAL, 0x00); |
| 483 | stv0900_write_bits(i_params, F0900_P1_TSFIFO_DVBCI, 0x00); |
| 484 | break; |
| 485 | case STV0900_DVBCI_CLOCK: |
| 486 | stv0900_write_bits(i_params, F0900_P1_TSFIFO_SERIAL, 0x00); |
| 487 | stv0900_write_bits(i_params, F0900_P1_TSFIFO_DVBCI, 0x01); |
| 488 | break; |
| 489 | case STV0900_SERIAL_PUNCT_CLOCK: |
| 490 | stv0900_write_bits(i_params, F0900_P1_TSFIFO_SERIAL, 0x01); |
| 491 | stv0900_write_bits(i_params, F0900_P1_TSFIFO_DVBCI, 0x00); |
| 492 | break; |
| 493 | case STV0900_SERIAL_CONT_CLOCK: |
| 494 | stv0900_write_bits(i_params, F0900_P1_TSFIFO_SERIAL, 0x01); |
| 495 | stv0900_write_bits(i_params, F0900_P1_TSFIFO_DVBCI, 0x01); |
| 496 | break; |
| 497 | default: |
| 498 | break; |
| 499 | } |
| 500 | |
| 501 | switch (path2_ts) { |
| 502 | case STV0900_PARALLEL_PUNCT_CLOCK: |
| 503 | stv0900_write_bits(i_params, F0900_P2_TSFIFO_SERIAL, 0x00); |
| 504 | stv0900_write_bits(i_params, F0900_P2_TSFIFO_DVBCI, 0x00); |
| 505 | break; |
| 506 | case STV0900_DVBCI_CLOCK: |
| 507 | stv0900_write_bits(i_params, F0900_P2_TSFIFO_SERIAL, 0x00); |
| 508 | stv0900_write_bits(i_params, F0900_P2_TSFIFO_DVBCI, 0x01); |
| 509 | break; |
| 510 | case STV0900_SERIAL_PUNCT_CLOCK: |
| 511 | stv0900_write_bits(i_params, F0900_P2_TSFIFO_SERIAL, 0x01); |
| 512 | stv0900_write_bits(i_params, F0900_P2_TSFIFO_DVBCI, 0x00); |
| 513 | break; |
| 514 | case STV0900_SERIAL_CONT_CLOCK: |
| 515 | stv0900_write_bits(i_params, F0900_P2_TSFIFO_SERIAL, 0x01); |
| 516 | stv0900_write_bits(i_params, F0900_P2_TSFIFO_DVBCI, 0x01); |
| 517 | break; |
| 518 | default: |
| 519 | break; |
| 520 | } |
| 521 | |
| 522 | stv0900_write_bits(i_params, F0900_P2_RST_HWARE, 1); |
| 523 | stv0900_write_bits(i_params, F0900_P2_RST_HWARE, 0); |
| 524 | stv0900_write_bits(i_params, F0900_P1_RST_HWARE, 1); |
| 525 | stv0900_write_bits(i_params, F0900_P1_RST_HWARE, 0); |
| 526 | } |
| 527 | |
| 528 | void stv0900_set_tuner(struct dvb_frontend *fe, u32 frequency, |
| 529 | u32 bandwidth) |
| 530 | { |
| 531 | struct dvb_frontend_ops *frontend_ops = NULL; |
| 532 | struct dvb_tuner_ops *tuner_ops = NULL; |
| 533 | |
| 534 | if (&fe->ops) |
| 535 | frontend_ops = &fe->ops; |
| 536 | |
| 537 | if (&frontend_ops->tuner_ops) |
| 538 | tuner_ops = &frontend_ops->tuner_ops; |
| 539 | |
| 540 | if (tuner_ops->set_frequency) { |
| 541 | if ((tuner_ops->set_frequency(fe, frequency)) < 0) |
| 542 | dprintk("%s: Invalid parameter\n", __func__); |
| 543 | else |
| 544 | dprintk("%s: Frequency=%d\n", __func__, frequency); |
| 545 | |
| 546 | } |
| 547 | |
| 548 | if (tuner_ops->set_bandwidth) { |
| 549 | if ((tuner_ops->set_bandwidth(fe, bandwidth)) < 0) |
| 550 | dprintk("%s: Invalid parameter\n", __func__); |
| 551 | else |
| 552 | dprintk("%s: Bandwidth=%d\n", __func__, bandwidth); |
| 553 | |
| 554 | } |
| 555 | } |
| 556 | |
| 557 | void stv0900_set_bandwidth(struct dvb_frontend *fe, u32 bandwidth) |
| 558 | { |
| 559 | struct dvb_frontend_ops *frontend_ops = NULL; |
| 560 | struct dvb_tuner_ops *tuner_ops = NULL; |
| 561 | |
| 562 | if (&fe->ops) |
| 563 | frontend_ops = &fe->ops; |
| 564 | |
| 565 | if (&frontend_ops->tuner_ops) |
| 566 | tuner_ops = &frontend_ops->tuner_ops; |
| 567 | |
| 568 | if (tuner_ops->set_bandwidth) { |
| 569 | if ((tuner_ops->set_bandwidth(fe, bandwidth)) < 0) |
| 570 | dprintk("%s: Invalid parameter\n", __func__); |
| 571 | else |
| 572 | dprintk("%s: Bandwidth=%d\n", __func__, bandwidth); |
| 573 | |
| 574 | } |
| 575 | } |
| 576 | |
| 577 | static s32 stv0900_get_rf_level(struct stv0900_internal *i_params, |
| 578 | const struct stv0900_table *lookup, |
| 579 | enum fe_stv0900_demod_num demod) |
| 580 | { |
| 581 | s32 agc_gain = 0, |
| 582 | imin, |
| 583 | imax, |
| 584 | i, |
| 585 | rf_lvl = 0; |
| 586 | |
Igor M. Liplianin | 8171c20 | 2009-09-19 08:37:40 -0300 | [diff] [blame] | 587 | dprintk("%s\n", __func__); |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 588 | |
| 589 | if ((lookup != NULL) && lookup->size) { |
| 590 | switch (demod) { |
| 591 | case STV0900_DEMOD_1: |
| 592 | default: |
| 593 | agc_gain = MAKEWORD(stv0900_get_bits(i_params, F0900_P1_AGCIQ_VALUE1), |
| 594 | stv0900_get_bits(i_params, F0900_P1_AGCIQ_VALUE0)); |
| 595 | break; |
| 596 | case STV0900_DEMOD_2: |
| 597 | agc_gain = MAKEWORD(stv0900_get_bits(i_params, F0900_P2_AGCIQ_VALUE1), |
| 598 | stv0900_get_bits(i_params, F0900_P2_AGCIQ_VALUE0)); |
| 599 | break; |
| 600 | } |
| 601 | |
| 602 | imin = 0; |
| 603 | imax = lookup->size - 1; |
| 604 | if (INRANGE(lookup->table[imin].regval, agc_gain, lookup->table[imax].regval)) { |
| 605 | while ((imax - imin) > 1) { |
| 606 | i = (imax + imin) >> 1; |
| 607 | |
| 608 | if (INRANGE(lookup->table[imin].regval, agc_gain, lookup->table[i].regval)) |
| 609 | imax = i; |
| 610 | else |
| 611 | imin = i; |
| 612 | } |
| 613 | |
| 614 | rf_lvl = (((s32)agc_gain - lookup->table[imin].regval) |
| 615 | * (lookup->table[imax].realval - lookup->table[imin].realval) |
| 616 | / (lookup->table[imax].regval - lookup->table[imin].regval)) |
| 617 | + lookup->table[imin].realval; |
| 618 | } else if (agc_gain > lookup->table[0].regval) |
| 619 | rf_lvl = 5; |
| 620 | else if (agc_gain < lookup->table[lookup->size-1].regval) |
| 621 | rf_lvl = -100; |
| 622 | |
| 623 | } |
| 624 | |
Igor M. Liplianin | 8171c20 | 2009-09-19 08:37:40 -0300 | [diff] [blame] | 625 | dprintk("%s: RFLevel = %d\n", __func__, rf_lvl); |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 626 | |
| 627 | return rf_lvl; |
| 628 | } |
| 629 | |
| 630 | static int stv0900_read_signal_strength(struct dvb_frontend *fe, u16 *strength) |
| 631 | { |
| 632 | struct stv0900_state *state = fe->demodulator_priv; |
| 633 | struct stv0900_internal *internal = state->internal; |
| 634 | s32 rflevel = stv0900_get_rf_level(internal, &stv0900_rf, |
| 635 | state->demod); |
| 636 | |
| 637 | *strength = (rflevel + 100) * (16383 / 105); |
| 638 | |
| 639 | return 0; |
| 640 | } |
| 641 | |
| 642 | |
| 643 | static s32 stv0900_carr_get_quality(struct dvb_frontend *fe, |
| 644 | const struct stv0900_table *lookup) |
| 645 | { |
| 646 | struct stv0900_state *state = fe->demodulator_priv; |
| 647 | struct stv0900_internal *i_params = state->internal; |
| 648 | enum fe_stv0900_demod_num demod = state->demod; |
| 649 | |
| 650 | s32 c_n = -100, |
| 651 | regval, imin, imax, |
| 652 | i, |
| 653 | lock_flag_field, |
| 654 | noise_field1, |
| 655 | noise_field0; |
| 656 | |
Igor M. Liplianin | 8171c20 | 2009-09-19 08:37:40 -0300 | [diff] [blame] | 657 | dprintk("%s\n", __func__); |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 658 | |
Igor M. Liplianin | 11a8414 | 2009-03-15 07:28:45 -0300 | [diff] [blame] | 659 | dmd_reg(lock_flag_field, F0900_P1_LOCK_DEFINITIF, |
| 660 | F0900_P2_LOCK_DEFINITIF); |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 661 | if (stv0900_get_standard(fe, demod) == STV0900_DVBS2_STANDARD) { |
Igor M. Liplianin | 11a8414 | 2009-03-15 07:28:45 -0300 | [diff] [blame] | 662 | dmd_reg(noise_field1, F0900_P1_NOSPLHT_NORMED1, |
| 663 | F0900_P2_NOSPLHT_NORMED1); |
| 664 | dmd_reg(noise_field0, F0900_P1_NOSPLHT_NORMED0, |
| 665 | F0900_P2_NOSPLHT_NORMED0); |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 666 | } else { |
Igor M. Liplianin | 11a8414 | 2009-03-15 07:28:45 -0300 | [diff] [blame] | 667 | dmd_reg(noise_field1, F0900_P1_NOSDATAT_NORMED1, |
| 668 | F0900_P2_NOSDATAT_NORMED1); |
| 669 | dmd_reg(noise_field0, F0900_P1_NOSDATAT_NORMED0, |
Igor M. Liplianin | 5765348 | 2009-03-15 07:31:45 -0300 | [diff] [blame] | 670 | F0900_P2_NOSDATAT_NORMED0); |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 671 | } |
| 672 | |
| 673 | if (stv0900_get_bits(i_params, lock_flag_field)) { |
| 674 | if ((lookup != NULL) && lookup->size) { |
| 675 | regval = 0; |
| 676 | msleep(5); |
| 677 | for (i = 0; i < 16; i++) { |
Igor M. Liplianin | 11a8414 | 2009-03-15 07:28:45 -0300 | [diff] [blame] | 678 | regval += MAKEWORD(stv0900_get_bits(i_params, |
| 679 | noise_field1), |
| 680 | stv0900_get_bits(i_params, |
| 681 | noise_field0)); |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 682 | msleep(1); |
| 683 | } |
| 684 | |
| 685 | regval /= 16; |
| 686 | imin = 0; |
| 687 | imax = lookup->size - 1; |
Igor M. Liplianin | 11a8414 | 2009-03-15 07:28:45 -0300 | [diff] [blame] | 688 | if (INRANGE(lookup->table[imin].regval, |
| 689 | regval, |
| 690 | lookup->table[imax].regval)) { |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 691 | while ((imax - imin) > 1) { |
| 692 | i = (imax + imin) >> 1; |
Igor M. Liplianin | 11a8414 | 2009-03-15 07:28:45 -0300 | [diff] [blame] | 693 | if (INRANGE(lookup->table[imin].regval, |
| 694 | regval, |
| 695 | lookup->table[i].regval)) |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 696 | imax = i; |
| 697 | else |
| 698 | imin = i; |
| 699 | } |
| 700 | |
| 701 | c_n = ((regval - lookup->table[imin].regval) |
Igor M. Liplianin | 11a8414 | 2009-03-15 07:28:45 -0300 | [diff] [blame] | 702 | * (lookup->table[imax].realval |
| 703 | - lookup->table[imin].realval) |
| 704 | / (lookup->table[imax].regval |
| 705 | - lookup->table[imin].regval)) |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 706 | + lookup->table[imin].realval; |
| 707 | } else if (regval < lookup->table[imin].regval) |
| 708 | c_n = 1000; |
| 709 | } |
| 710 | } |
| 711 | |
| 712 | return c_n; |
| 713 | } |
| 714 | |
Abylay Ospan | ee1ebcf | 2009-06-08 04:31:26 -0300 | [diff] [blame] | 715 | static int stv0900_read_ucblocks(struct dvb_frontend *fe, u32 * ucblocks) |
| 716 | { |
| 717 | struct stv0900_state *state = fe->demodulator_priv; |
| 718 | struct stv0900_internal *i_params = state->internal; |
| 719 | enum fe_stv0900_demod_num demod = state->demod; |
| 720 | u8 err_val1, err_val0; |
| 721 | s32 err_field1, err_field0; |
| 722 | u32 header_err_val = 0; |
| 723 | |
| 724 | *ucblocks = 0x0; |
| 725 | if (stv0900_get_standard(fe, demod) == STV0900_DVBS2_STANDARD) { |
| 726 | /* DVB-S2 delineator errors count */ |
| 727 | |
| 728 | /* retreiving number for errnous headers */ |
| 729 | dmd_reg(err_field0, R0900_P1_BBFCRCKO0, |
| 730 | R0900_P2_BBFCRCKO0); |
| 731 | dmd_reg(err_field1, R0900_P1_BBFCRCKO1, |
| 732 | R0900_P2_BBFCRCKO1); |
| 733 | |
| 734 | err_val1 = stv0900_read_reg(i_params, err_field1); |
| 735 | err_val0 = stv0900_read_reg(i_params, err_field0); |
| 736 | header_err_val = (err_val1<<8) | err_val0; |
| 737 | |
| 738 | /* retreiving number for errnous packets */ |
| 739 | dmd_reg(err_field0, R0900_P1_UPCRCKO0, |
| 740 | R0900_P2_UPCRCKO0); |
| 741 | dmd_reg(err_field1, R0900_P1_UPCRCKO1, |
| 742 | R0900_P2_UPCRCKO1); |
| 743 | |
| 744 | err_val1 = stv0900_read_reg(i_params, err_field1); |
| 745 | err_val0 = stv0900_read_reg(i_params, err_field0); |
| 746 | *ucblocks = (err_val1<<8) | err_val0; |
| 747 | *ucblocks += header_err_val; |
| 748 | } |
| 749 | |
| 750 | return 0; |
| 751 | } |
| 752 | |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 753 | static int stv0900_read_snr(struct dvb_frontend *fe, u16 *snr) |
| 754 | { |
Igor M. Liplianin | 11a8414 | 2009-03-15 07:28:45 -0300 | [diff] [blame] | 755 | *snr = stv0900_carr_get_quality(fe, |
| 756 | (const struct stv0900_table *)&stv0900_s2_cn); |
| 757 | *snr += 30; |
| 758 | *snr *= (16383 / 1030); |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 759 | |
| 760 | return 0; |
| 761 | } |
| 762 | |
| 763 | static u32 stv0900_get_ber(struct stv0900_internal *i_params, |
| 764 | enum fe_stv0900_demod_num demod) |
| 765 | { |
| 766 | u32 ber = 10000000, i; |
| 767 | s32 dmd_state_reg; |
| 768 | s32 demod_state; |
| 769 | s32 vstatus_reg; |
| 770 | s32 prvit_field; |
| 771 | s32 pdel_status_reg; |
| 772 | s32 pdel_lock_field; |
| 773 | |
| 774 | dmd_reg(dmd_state_reg, F0900_P1_HEADER_MODE, F0900_P2_HEADER_MODE); |
| 775 | dmd_reg(vstatus_reg, R0900_P1_VSTATUSVIT, R0900_P2_VSTATUSVIT); |
| 776 | dmd_reg(prvit_field, F0900_P1_PRFVIT, F0900_P2_PRFVIT); |
| 777 | dmd_reg(pdel_status_reg, R0900_P1_PDELSTATUS1, R0900_P2_PDELSTATUS1); |
| 778 | dmd_reg(pdel_lock_field, F0900_P1_PKTDELIN_LOCK, |
| 779 | F0900_P2_PKTDELIN_LOCK); |
| 780 | |
| 781 | demod_state = stv0900_get_bits(i_params, dmd_state_reg); |
| 782 | |
| 783 | switch (demod_state) { |
| 784 | case STV0900_SEARCH: |
| 785 | case STV0900_PLH_DETECTED: |
| 786 | default: |
| 787 | ber = 10000000; |
| 788 | break; |
| 789 | case STV0900_DVBS_FOUND: |
| 790 | ber = 0; |
| 791 | for (i = 0; i < 5; i++) { |
| 792 | msleep(5); |
| 793 | ber += stv0900_get_err_count(i_params, 0, demod); |
| 794 | } |
| 795 | |
| 796 | ber /= 5; |
| 797 | if (stv0900_get_bits(i_params, prvit_field)) { |
| 798 | ber *= 9766; |
| 799 | ber = ber >> 13; |
| 800 | } |
| 801 | |
| 802 | break; |
| 803 | case STV0900_DVBS2_FOUND: |
| 804 | ber = 0; |
| 805 | for (i = 0; i < 5; i++) { |
| 806 | msleep(5); |
| 807 | ber += stv0900_get_err_count(i_params, 0, demod); |
| 808 | } |
| 809 | |
| 810 | ber /= 5; |
| 811 | if (stv0900_get_bits(i_params, pdel_lock_field)) { |
| 812 | ber *= 9766; |
| 813 | ber = ber >> 13; |
| 814 | } |
| 815 | |
| 816 | break; |
| 817 | } |
| 818 | |
| 819 | return ber; |
| 820 | } |
| 821 | |
| 822 | static int stv0900_read_ber(struct dvb_frontend *fe, u32 *ber) |
| 823 | { |
| 824 | struct stv0900_state *state = fe->demodulator_priv; |
| 825 | struct stv0900_internal *internal = state->internal; |
| 826 | |
| 827 | *ber = stv0900_get_ber(internal, state->demod); |
| 828 | |
| 829 | return 0; |
| 830 | } |
| 831 | |
| 832 | int stv0900_get_demod_lock(struct stv0900_internal *i_params, |
| 833 | enum fe_stv0900_demod_num demod, s32 time_out) |
| 834 | { |
| 835 | s32 timer = 0, |
| 836 | lock = 0, |
| 837 | header_field, |
| 838 | lock_field; |
| 839 | |
| 840 | enum fe_stv0900_search_state dmd_state; |
| 841 | |
| 842 | dmd_reg(header_field, F0900_P1_HEADER_MODE, F0900_P2_HEADER_MODE); |
| 843 | dmd_reg(lock_field, F0900_P1_LOCK_DEFINITIF, F0900_P2_LOCK_DEFINITIF); |
| 844 | while ((timer < time_out) && (lock == 0)) { |
| 845 | dmd_state = stv0900_get_bits(i_params, header_field); |
| 846 | dprintk("Demod State = %d\n", dmd_state); |
| 847 | switch (dmd_state) { |
| 848 | case STV0900_SEARCH: |
| 849 | case STV0900_PLH_DETECTED: |
| 850 | default: |
| 851 | lock = 0; |
| 852 | break; |
| 853 | case STV0900_DVBS2_FOUND: |
| 854 | case STV0900_DVBS_FOUND: |
| 855 | lock = stv0900_get_bits(i_params, lock_field); |
| 856 | break; |
| 857 | } |
| 858 | |
| 859 | if (lock == 0) |
| 860 | msleep(10); |
| 861 | |
| 862 | timer += 10; |
| 863 | } |
| 864 | |
| 865 | if (lock) |
| 866 | dprintk("DEMOD LOCK OK\n"); |
| 867 | else |
| 868 | dprintk("DEMOD LOCK FAIL\n"); |
| 869 | |
| 870 | return lock; |
| 871 | } |
| 872 | |
| 873 | void stv0900_stop_all_s2_modcod(struct stv0900_internal *i_params, |
| 874 | enum fe_stv0900_demod_num demod) |
| 875 | { |
| 876 | s32 regflist, |
| 877 | i; |
| 878 | |
Igor M. Liplianin | 8171c20 | 2009-09-19 08:37:40 -0300 | [diff] [blame] | 879 | dprintk("%s\n", __func__); |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 880 | |
| 881 | dmd_reg(regflist, R0900_P1_MODCODLST0, R0900_P2_MODCODLST0); |
| 882 | |
| 883 | for (i = 0; i < 16; i++) |
| 884 | stv0900_write_reg(i_params, regflist + i, 0xff); |
| 885 | } |
| 886 | |
| 887 | void stv0900_activate_s2_modcode(struct stv0900_internal *i_params, |
| 888 | enum fe_stv0900_demod_num demod) |
| 889 | { |
| 890 | u32 matype, |
| 891 | mod_code, |
| 892 | fmod, |
| 893 | reg_index, |
| 894 | field_index; |
| 895 | |
Igor M. Liplianin | 8171c20 | 2009-09-19 08:37:40 -0300 | [diff] [blame] | 896 | dprintk("%s\n", __func__); |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 897 | |
| 898 | if (i_params->chip_id <= 0x11) { |
| 899 | msleep(5); |
| 900 | |
| 901 | switch (demod) { |
| 902 | case STV0900_DEMOD_1: |
| 903 | default: |
| 904 | mod_code = stv0900_read_reg(i_params, |
| 905 | R0900_P1_PLHMODCOD); |
| 906 | matype = mod_code & 0x3; |
| 907 | mod_code = (mod_code & 0x7f) >> 2; |
| 908 | |
| 909 | reg_index = R0900_P1_MODCODLSTF - mod_code / 2; |
| 910 | field_index = mod_code % 2; |
| 911 | break; |
| 912 | case STV0900_DEMOD_2: |
| 913 | mod_code = stv0900_read_reg(i_params, |
| 914 | R0900_P2_PLHMODCOD); |
| 915 | matype = mod_code & 0x3; |
| 916 | mod_code = (mod_code & 0x7f) >> 2; |
| 917 | |
| 918 | reg_index = R0900_P2_MODCODLSTF - mod_code / 2; |
| 919 | field_index = mod_code % 2; |
| 920 | break; |
| 921 | } |
| 922 | |
| 923 | |
| 924 | switch (matype) { |
| 925 | case 0: |
| 926 | default: |
| 927 | fmod = 14; |
| 928 | break; |
| 929 | case 1: |
| 930 | fmod = 13; |
| 931 | break; |
| 932 | case 2: |
| 933 | fmod = 11; |
| 934 | break; |
| 935 | case 3: |
| 936 | fmod = 7; |
| 937 | break; |
| 938 | } |
| 939 | |
| 940 | if ((INRANGE(STV0900_QPSK_12, mod_code, STV0900_8PSK_910)) |
| 941 | && (matype <= 1)) { |
| 942 | if (field_index == 0) |
| 943 | stv0900_write_reg(i_params, reg_index, |
| 944 | 0xf0 | fmod); |
| 945 | else |
| 946 | stv0900_write_reg(i_params, reg_index, |
| 947 | (fmod << 4) | 0xf); |
| 948 | } |
| 949 | } else if (i_params->chip_id >= 0x12) { |
| 950 | switch (demod) { |
| 951 | case STV0900_DEMOD_1: |
| 952 | default: |
| 953 | for (reg_index = 0; reg_index < 7; reg_index++) |
| 954 | stv0900_write_reg(i_params, R0900_P1_MODCODLST0 + reg_index, 0xff); |
| 955 | |
| 956 | stv0900_write_reg(i_params, R0900_P1_MODCODLSTE, 0xff); |
| 957 | stv0900_write_reg(i_params, R0900_P1_MODCODLSTF, 0xcf); |
| 958 | for (reg_index = 0; reg_index < 8; reg_index++) |
| 959 | stv0900_write_reg(i_params, R0900_P1_MODCODLST7 + reg_index, 0xcc); |
| 960 | |
| 961 | break; |
| 962 | case STV0900_DEMOD_2: |
| 963 | for (reg_index = 0; reg_index < 7; reg_index++) |
| 964 | stv0900_write_reg(i_params, R0900_P2_MODCODLST0 + reg_index, 0xff); |
| 965 | |
| 966 | stv0900_write_reg(i_params, R0900_P2_MODCODLSTE, 0xff); |
| 967 | stv0900_write_reg(i_params, R0900_P2_MODCODLSTF, 0xcf); |
| 968 | for (reg_index = 0; reg_index < 8; reg_index++) |
| 969 | stv0900_write_reg(i_params, R0900_P2_MODCODLST7 + reg_index, 0xcc); |
| 970 | |
| 971 | break; |
| 972 | } |
| 973 | |
| 974 | } |
| 975 | } |
| 976 | |
| 977 | void stv0900_activate_s2_modcode_single(struct stv0900_internal *i_params, |
| 978 | enum fe_stv0900_demod_num demod) |
| 979 | { |
| 980 | u32 reg_index; |
| 981 | |
Igor M. Liplianin | 8171c20 | 2009-09-19 08:37:40 -0300 | [diff] [blame] | 982 | dprintk("%s\n", __func__); |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 983 | |
| 984 | switch (demod) { |
| 985 | case STV0900_DEMOD_1: |
| 986 | default: |
| 987 | stv0900_write_reg(i_params, R0900_P1_MODCODLST0, 0xff); |
| 988 | stv0900_write_reg(i_params, R0900_P1_MODCODLST1, 0xf0); |
| 989 | stv0900_write_reg(i_params, R0900_P1_MODCODLSTF, 0x0f); |
| 990 | for (reg_index = 0; reg_index < 13; reg_index++) |
| 991 | stv0900_write_reg(i_params, |
| 992 | R0900_P1_MODCODLST2 + reg_index, 0); |
| 993 | |
| 994 | break; |
| 995 | case STV0900_DEMOD_2: |
| 996 | stv0900_write_reg(i_params, R0900_P2_MODCODLST0, 0xff); |
| 997 | stv0900_write_reg(i_params, R0900_P2_MODCODLST1, 0xf0); |
| 998 | stv0900_write_reg(i_params, R0900_P2_MODCODLSTF, 0x0f); |
| 999 | for (reg_index = 0; reg_index < 13; reg_index++) |
| 1000 | stv0900_write_reg(i_params, |
| 1001 | R0900_P2_MODCODLST2 + reg_index, 0); |
| 1002 | |
| 1003 | break; |
| 1004 | } |
| 1005 | } |
| 1006 | |
| 1007 | static enum dvbfe_algo stv0900_frontend_algo(struct dvb_frontend *fe) |
| 1008 | { |
| 1009 | return DVBFE_ALGO_CUSTOM; |
| 1010 | } |
| 1011 | |
| 1012 | static int stb0900_set_property(struct dvb_frontend *fe, |
| 1013 | struct dtv_property *tvp) |
| 1014 | { |
Igor M. Liplianin | 8171c20 | 2009-09-19 08:37:40 -0300 | [diff] [blame] | 1015 | dprintk("%s(..)\n", __func__); |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 1016 | |
| 1017 | return 0; |
| 1018 | } |
| 1019 | |
| 1020 | static int stb0900_get_property(struct dvb_frontend *fe, |
| 1021 | struct dtv_property *tvp) |
| 1022 | { |
Igor M. Liplianin | 8171c20 | 2009-09-19 08:37:40 -0300 | [diff] [blame] | 1023 | dprintk("%s(..)\n", __func__); |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 1024 | |
| 1025 | return 0; |
| 1026 | } |
| 1027 | |
| 1028 | void stv0900_start_search(struct stv0900_internal *i_params, |
| 1029 | enum fe_stv0900_demod_num demod) |
| 1030 | { |
| 1031 | |
| 1032 | switch (demod) { |
| 1033 | case STV0900_DEMOD_1: |
| 1034 | default: |
| 1035 | stv0900_write_bits(i_params, F0900_P1_I2C_DEMOD_MODE, 0x1f); |
| 1036 | |
| 1037 | if (i_params->chip_id == 0x10) |
| 1038 | stv0900_write_reg(i_params, R0900_P1_CORRELEXP, 0xaa); |
| 1039 | |
| 1040 | if (i_params->chip_id < 0x20) |
| 1041 | stv0900_write_reg(i_params, R0900_P1_CARHDR, 0x55); |
| 1042 | |
| 1043 | if (i_params->dmd1_symbol_rate <= 5000000) { |
| 1044 | stv0900_write_reg(i_params, R0900_P1_CARCFG, 0x44); |
| 1045 | stv0900_write_reg(i_params, R0900_P1_CFRUP1, 0x0f); |
| 1046 | stv0900_write_reg(i_params, R0900_P1_CFRUP0, 0xff); |
| 1047 | stv0900_write_reg(i_params, R0900_P1_CFRLOW1, 0xf0); |
| 1048 | stv0900_write_reg(i_params, R0900_P1_CFRLOW0, 0x00); |
| 1049 | stv0900_write_reg(i_params, R0900_P1_RTCS2, 0x68); |
| 1050 | } else { |
| 1051 | stv0900_write_reg(i_params, R0900_P1_CARCFG, 0xc4); |
| 1052 | stv0900_write_reg(i_params, R0900_P1_RTCS2, 0x44); |
| 1053 | } |
| 1054 | |
| 1055 | stv0900_write_reg(i_params, R0900_P1_CFRINIT1, 0); |
| 1056 | stv0900_write_reg(i_params, R0900_P1_CFRINIT0, 0); |
| 1057 | |
| 1058 | if (i_params->chip_id >= 0x20) { |
| 1059 | stv0900_write_reg(i_params, R0900_P1_EQUALCFG, 0x41); |
| 1060 | stv0900_write_reg(i_params, R0900_P1_FFECFG, 0x41); |
| 1061 | |
| 1062 | if ((i_params->dmd1_srch_standard == STV0900_SEARCH_DVBS1) || (i_params->dmd1_srch_standard == STV0900_SEARCH_DSS) || (i_params->dmd1_srch_standard == STV0900_AUTO_SEARCH)) { |
| 1063 | stv0900_write_reg(i_params, R0900_P1_VITSCALE, 0x82); |
| 1064 | stv0900_write_reg(i_params, R0900_P1_VAVSRVIT, 0x0); |
| 1065 | } |
| 1066 | } |
| 1067 | |
| 1068 | stv0900_write_reg(i_params, R0900_P1_SFRSTEP, 0x00); |
| 1069 | stv0900_write_reg(i_params, R0900_P1_TMGTHRISE, 0xe0); |
| 1070 | stv0900_write_reg(i_params, R0900_P1_TMGTHFALL, 0xc0); |
| 1071 | stv0900_write_bits(i_params, F0900_P1_SCAN_ENABLE, 0); |
| 1072 | stv0900_write_bits(i_params, F0900_P1_CFR_AUTOSCAN, 0); |
| 1073 | stv0900_write_bits(i_params, F0900_P1_S1S2_SEQUENTIAL, 0); |
| 1074 | stv0900_write_reg(i_params, R0900_P1_RTC, 0x88); |
| 1075 | if (i_params->chip_id >= 0x20) { |
| 1076 | if (i_params->dmd1_symbol_rate < 2000000) { |
| 1077 | stv0900_write_reg(i_params, R0900_P1_CARFREQ, 0x39); |
| 1078 | stv0900_write_reg(i_params, R0900_P1_CARHDR, 0x40); |
| 1079 | } |
| 1080 | |
| 1081 | if (i_params->dmd1_symbol_rate < 10000000) { |
| 1082 | stv0900_write_reg(i_params, R0900_P1_CARFREQ, 0x4c); |
| 1083 | stv0900_write_reg(i_params, R0900_P1_CARHDR, 0x20); |
| 1084 | } else { |
| 1085 | stv0900_write_reg(i_params, R0900_P1_CARFREQ, 0x4b); |
| 1086 | stv0900_write_reg(i_params, R0900_P1_CARHDR, 0x20); |
| 1087 | } |
| 1088 | |
| 1089 | } else { |
| 1090 | if (i_params->dmd1_symbol_rate < 10000000) |
| 1091 | stv0900_write_reg(i_params, R0900_P1_CARFREQ, 0xef); |
| 1092 | else |
| 1093 | stv0900_write_reg(i_params, R0900_P1_CARFREQ, 0xed); |
| 1094 | } |
| 1095 | |
| 1096 | switch (i_params->dmd1_srch_algo) { |
| 1097 | case STV0900_WARM_START: |
| 1098 | stv0900_write_reg(i_params, R0900_P1_DMDISTATE, 0x1f); |
| 1099 | stv0900_write_reg(i_params, R0900_P1_DMDISTATE, 0x18); |
| 1100 | break; |
| 1101 | case STV0900_COLD_START: |
| 1102 | stv0900_write_reg(i_params, R0900_P1_DMDISTATE, 0x1f); |
| 1103 | stv0900_write_reg(i_params, R0900_P1_DMDISTATE, 0x15); |
| 1104 | break; |
| 1105 | default: |
| 1106 | break; |
| 1107 | } |
| 1108 | |
| 1109 | break; |
| 1110 | case STV0900_DEMOD_2: |
| 1111 | stv0900_write_bits(i_params, F0900_P2_I2C_DEMOD_MODE, 0x1f); |
| 1112 | if (i_params->chip_id == 0x10) |
| 1113 | stv0900_write_reg(i_params, R0900_P2_CORRELEXP, 0xaa); |
| 1114 | |
| 1115 | if (i_params->chip_id < 0x20) |
| 1116 | stv0900_write_reg(i_params, R0900_P2_CARHDR, 0x55); |
| 1117 | |
| 1118 | if (i_params->dmd2_symbol_rate <= 5000000) { |
| 1119 | stv0900_write_reg(i_params, R0900_P2_CARCFG, 0x44); |
| 1120 | stv0900_write_reg(i_params, R0900_P2_CFRUP1, 0x0f); |
| 1121 | stv0900_write_reg(i_params, R0900_P2_CFRUP0, 0xff); |
| 1122 | stv0900_write_reg(i_params, R0900_P2_CFRLOW1, 0xf0); |
| 1123 | stv0900_write_reg(i_params, R0900_P2_CFRLOW0, 0x00); |
| 1124 | stv0900_write_reg(i_params, R0900_P2_RTCS2, 0x68); |
| 1125 | } else { |
| 1126 | stv0900_write_reg(i_params, R0900_P2_CARCFG, 0xc4); |
| 1127 | stv0900_write_reg(i_params, R0900_P2_RTCS2, 0x44); |
| 1128 | } |
| 1129 | |
| 1130 | stv0900_write_reg(i_params, R0900_P2_CFRINIT1, 0); |
| 1131 | stv0900_write_reg(i_params, R0900_P2_CFRINIT0, 0); |
| 1132 | |
| 1133 | if (i_params->chip_id >= 0x20) { |
| 1134 | stv0900_write_reg(i_params, R0900_P2_EQUALCFG, 0x41); |
| 1135 | stv0900_write_reg(i_params, R0900_P2_FFECFG, 0x41); |
| 1136 | if ((i_params->dmd2_srch_stndrd == STV0900_SEARCH_DVBS1) || (i_params->dmd2_srch_stndrd == STV0900_SEARCH_DSS) || (i_params->dmd2_srch_stndrd == STV0900_AUTO_SEARCH)) { |
| 1137 | stv0900_write_reg(i_params, R0900_P2_VITSCALE, 0x82); |
| 1138 | stv0900_write_reg(i_params, R0900_P2_VAVSRVIT, 0x0); |
| 1139 | } |
| 1140 | } |
| 1141 | |
| 1142 | stv0900_write_reg(i_params, R0900_P2_SFRSTEP, 0x00); |
| 1143 | stv0900_write_reg(i_params, R0900_P2_TMGTHRISE, 0xe0); |
| 1144 | stv0900_write_reg(i_params, R0900_P2_TMGTHFALL, 0xc0); |
| 1145 | stv0900_write_bits(i_params, F0900_P2_SCAN_ENABLE, 0); |
| 1146 | stv0900_write_bits(i_params, F0900_P2_CFR_AUTOSCAN, 0); |
| 1147 | stv0900_write_bits(i_params, F0900_P2_S1S2_SEQUENTIAL, 0); |
| 1148 | stv0900_write_reg(i_params, R0900_P2_RTC, 0x88); |
| 1149 | if (i_params->chip_id >= 0x20) { |
| 1150 | if (i_params->dmd2_symbol_rate < 2000000) { |
| 1151 | stv0900_write_reg(i_params, R0900_P2_CARFREQ, 0x39); |
| 1152 | stv0900_write_reg(i_params, R0900_P2_CARHDR, 0x40); |
| 1153 | } |
| 1154 | |
| 1155 | if (i_params->dmd2_symbol_rate < 10000000) { |
| 1156 | stv0900_write_reg(i_params, R0900_P2_CARFREQ, 0x4c); |
| 1157 | stv0900_write_reg(i_params, R0900_P2_CARHDR, 0x20); |
| 1158 | } else { |
| 1159 | stv0900_write_reg(i_params, R0900_P2_CARFREQ, 0x4b); |
| 1160 | stv0900_write_reg(i_params, R0900_P2_CARHDR, 0x20); |
| 1161 | } |
| 1162 | |
| 1163 | } else { |
| 1164 | if (i_params->dmd2_symbol_rate < 10000000) |
| 1165 | stv0900_write_reg(i_params, R0900_P2_CARFREQ, 0xef); |
| 1166 | else |
| 1167 | stv0900_write_reg(i_params, R0900_P2_CARFREQ, 0xed); |
| 1168 | } |
| 1169 | |
| 1170 | switch (i_params->dmd2_srch_algo) { |
| 1171 | case STV0900_WARM_START: |
| 1172 | stv0900_write_reg(i_params, R0900_P2_DMDISTATE, 0x1f); |
| 1173 | stv0900_write_reg(i_params, R0900_P2_DMDISTATE, 0x18); |
| 1174 | break; |
| 1175 | case STV0900_COLD_START: |
| 1176 | stv0900_write_reg(i_params, R0900_P2_DMDISTATE, 0x1f); |
| 1177 | stv0900_write_reg(i_params, R0900_P2_DMDISTATE, 0x15); |
| 1178 | break; |
| 1179 | default: |
| 1180 | break; |
| 1181 | } |
| 1182 | |
| 1183 | break; |
| 1184 | } |
| 1185 | } |
| 1186 | |
| 1187 | u8 stv0900_get_optim_carr_loop(s32 srate, enum fe_stv0900_modcode modcode, |
| 1188 | s32 pilot, u8 chip_id) |
| 1189 | { |
| 1190 | u8 aclc_value = 0x29; |
| 1191 | s32 i; |
| 1192 | const struct stv0900_car_loop_optim *car_loop_s2; |
| 1193 | |
Igor M. Liplianin | 8171c20 | 2009-09-19 08:37:40 -0300 | [diff] [blame] | 1194 | dprintk("%s\n", __func__); |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 1195 | |
| 1196 | if (chip_id <= 0x12) |
| 1197 | car_loop_s2 = FE_STV0900_S2CarLoop; |
| 1198 | else if (chip_id == 0x20) |
| 1199 | car_loop_s2 = FE_STV0900_S2CarLoopCut20; |
| 1200 | else |
| 1201 | car_loop_s2 = FE_STV0900_S2CarLoop; |
| 1202 | |
| 1203 | if (modcode < STV0900_QPSK_12) { |
| 1204 | i = 0; |
| 1205 | while ((i < 3) && (modcode != FE_STV0900_S2LowQPCarLoopCut20[i].modcode)) |
| 1206 | i++; |
| 1207 | |
| 1208 | if (i >= 3) |
| 1209 | i = 2; |
| 1210 | } else { |
| 1211 | i = 0; |
| 1212 | while ((i < 14) && (modcode != car_loop_s2[i].modcode)) |
| 1213 | i++; |
| 1214 | |
| 1215 | if (i >= 14) { |
| 1216 | i = 0; |
| 1217 | while ((i < 11) && (modcode != FE_STV0900_S2APSKCarLoopCut20[i].modcode)) |
| 1218 | i++; |
| 1219 | |
| 1220 | if (i >= 11) |
| 1221 | i = 10; |
| 1222 | } |
| 1223 | } |
| 1224 | |
| 1225 | if (modcode <= STV0900_QPSK_25) { |
| 1226 | if (pilot) { |
| 1227 | if (srate <= 3000000) |
| 1228 | aclc_value = FE_STV0900_S2LowQPCarLoopCut20[i].car_loop_pilots_on_2; |
| 1229 | else if (srate <= 7000000) |
| 1230 | aclc_value = FE_STV0900_S2LowQPCarLoopCut20[i].car_loop_pilots_on_5; |
| 1231 | else if (srate <= 15000000) |
| 1232 | aclc_value = FE_STV0900_S2LowQPCarLoopCut20[i].car_loop_pilots_on_10; |
| 1233 | else if (srate <= 25000000) |
| 1234 | aclc_value = FE_STV0900_S2LowQPCarLoopCut20[i].car_loop_pilots_on_20; |
| 1235 | else |
| 1236 | aclc_value = FE_STV0900_S2LowQPCarLoopCut20[i].car_loop_pilots_on_30; |
| 1237 | } else { |
| 1238 | if (srate <= 3000000) |
| 1239 | aclc_value = FE_STV0900_S2LowQPCarLoopCut20[i].car_loop_pilots_off_2; |
| 1240 | else if (srate <= 7000000) |
| 1241 | aclc_value = FE_STV0900_S2LowQPCarLoopCut20[i].car_loop_pilots_off_5; |
| 1242 | else if (srate <= 15000000) |
| 1243 | aclc_value = FE_STV0900_S2LowQPCarLoopCut20[i].car_loop_pilots_off_10; |
| 1244 | else if (srate <= 25000000) |
| 1245 | aclc_value = FE_STV0900_S2LowQPCarLoopCut20[i].car_loop_pilots_off_20; |
| 1246 | else |
| 1247 | aclc_value = FE_STV0900_S2LowQPCarLoopCut20[i].car_loop_pilots_off_30; |
| 1248 | } |
| 1249 | |
| 1250 | } else if (modcode <= STV0900_8PSK_910) { |
| 1251 | if (pilot) { |
| 1252 | if (srate <= 3000000) |
| 1253 | aclc_value = car_loop_s2[i].car_loop_pilots_on_2; |
| 1254 | else if (srate <= 7000000) |
| 1255 | aclc_value = car_loop_s2[i].car_loop_pilots_on_5; |
| 1256 | else if (srate <= 15000000) |
| 1257 | aclc_value = car_loop_s2[i].car_loop_pilots_on_10; |
| 1258 | else if (srate <= 25000000) |
| 1259 | aclc_value = car_loop_s2[i].car_loop_pilots_on_20; |
| 1260 | else |
| 1261 | aclc_value = car_loop_s2[i].car_loop_pilots_on_30; |
| 1262 | } else { |
| 1263 | if (srate <= 3000000) |
| 1264 | aclc_value = car_loop_s2[i].car_loop_pilots_off_2; |
| 1265 | else if (srate <= 7000000) |
| 1266 | aclc_value = car_loop_s2[i].car_loop_pilots_off_5; |
| 1267 | else if (srate <= 15000000) |
| 1268 | aclc_value = car_loop_s2[i].car_loop_pilots_off_10; |
| 1269 | else if (srate <= 25000000) |
| 1270 | aclc_value = car_loop_s2[i].car_loop_pilots_off_20; |
| 1271 | else |
| 1272 | aclc_value = car_loop_s2[i].car_loop_pilots_off_30; |
| 1273 | } |
| 1274 | |
| 1275 | } else { |
| 1276 | if (srate <= 3000000) |
| 1277 | aclc_value = FE_STV0900_S2APSKCarLoopCut20[i].car_loop_pilots_on_2; |
| 1278 | else if (srate <= 7000000) |
| 1279 | aclc_value = FE_STV0900_S2APSKCarLoopCut20[i].car_loop_pilots_on_5; |
| 1280 | else if (srate <= 15000000) |
| 1281 | aclc_value = FE_STV0900_S2APSKCarLoopCut20[i].car_loop_pilots_on_10; |
| 1282 | else if (srate <= 25000000) |
| 1283 | aclc_value = FE_STV0900_S2APSKCarLoopCut20[i].car_loop_pilots_on_20; |
| 1284 | else |
| 1285 | aclc_value = FE_STV0900_S2APSKCarLoopCut20[i].car_loop_pilots_on_30; |
| 1286 | } |
| 1287 | |
| 1288 | return aclc_value; |
| 1289 | } |
| 1290 | |
| 1291 | u8 stv0900_get_optim_short_carr_loop(s32 srate, enum fe_stv0900_modulation modulation, u8 chip_id) |
| 1292 | { |
| 1293 | s32 mod_index = 0; |
| 1294 | |
| 1295 | u8 aclc_value = 0x0b; |
| 1296 | |
Igor M. Liplianin | 8171c20 | 2009-09-19 08:37:40 -0300 | [diff] [blame] | 1297 | dprintk("%s\n", __func__); |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 1298 | |
| 1299 | switch (modulation) { |
| 1300 | case STV0900_QPSK: |
| 1301 | default: |
| 1302 | mod_index = 0; |
| 1303 | break; |
| 1304 | case STV0900_8PSK: |
| 1305 | mod_index = 1; |
| 1306 | break; |
| 1307 | case STV0900_16APSK: |
| 1308 | mod_index = 2; |
| 1309 | break; |
| 1310 | case STV0900_32APSK: |
| 1311 | mod_index = 3; |
| 1312 | break; |
| 1313 | } |
| 1314 | |
| 1315 | switch (chip_id) { |
| 1316 | case 0x20: |
| 1317 | if (srate <= 3000000) |
| 1318 | aclc_value = FE_STV0900_S2ShortCarLoop[mod_index].car_loop_cut20_2; |
| 1319 | else if (srate <= 7000000) |
| 1320 | aclc_value = FE_STV0900_S2ShortCarLoop[mod_index].car_loop_cut20_5; |
| 1321 | else if (srate <= 15000000) |
| 1322 | aclc_value = FE_STV0900_S2ShortCarLoop[mod_index].car_loop_cut20_10; |
| 1323 | else if (srate <= 25000000) |
| 1324 | aclc_value = FE_STV0900_S2ShortCarLoop[mod_index].car_loop_cut20_20; |
| 1325 | else |
| 1326 | aclc_value = FE_STV0900_S2ShortCarLoop[mod_index].car_loop_cut20_30; |
| 1327 | |
| 1328 | break; |
| 1329 | case 0x12: |
| 1330 | default: |
| 1331 | if (srate <= 3000000) |
| 1332 | aclc_value = FE_STV0900_S2ShortCarLoop[mod_index].car_loop_cut12_2; |
| 1333 | else if (srate <= 7000000) |
| 1334 | aclc_value = FE_STV0900_S2ShortCarLoop[mod_index].car_loop_cut12_5; |
| 1335 | else if (srate <= 15000000) |
| 1336 | aclc_value = FE_STV0900_S2ShortCarLoop[mod_index].car_loop_cut12_10; |
| 1337 | else if (srate <= 25000000) |
| 1338 | aclc_value = FE_STV0900_S2ShortCarLoop[mod_index].car_loop_cut12_20; |
| 1339 | else |
| 1340 | aclc_value = FE_STV0900_S2ShortCarLoop[mod_index].car_loop_cut12_30; |
| 1341 | |
| 1342 | break; |
| 1343 | } |
| 1344 | |
| 1345 | return aclc_value; |
| 1346 | } |
| 1347 | |
| 1348 | static enum fe_stv0900_error stv0900_st_dvbs2_single(struct stv0900_internal *i_params, |
| 1349 | enum fe_stv0900_demod_mode LDPC_Mode, |
| 1350 | enum fe_stv0900_demod_num demod) |
| 1351 | { |
| 1352 | enum fe_stv0900_error error = STV0900_NO_ERROR; |
| 1353 | |
Igor M. Liplianin | 8171c20 | 2009-09-19 08:37:40 -0300 | [diff] [blame] | 1354 | dprintk("%s\n", __func__); |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 1355 | |
| 1356 | switch (LDPC_Mode) { |
| 1357 | case STV0900_DUAL: |
| 1358 | default: |
| 1359 | if ((i_params->demod_mode != STV0900_DUAL) |
| 1360 | || (stv0900_get_bits(i_params, F0900_DDEMOD) != 1)) { |
| 1361 | stv0900_write_reg(i_params, R0900_GENCFG, 0x1d); |
| 1362 | |
| 1363 | i_params->demod_mode = STV0900_DUAL; |
| 1364 | |
| 1365 | stv0900_write_bits(i_params, F0900_FRESFEC, 1); |
| 1366 | stv0900_write_bits(i_params, F0900_FRESFEC, 0); |
| 1367 | } |
| 1368 | |
| 1369 | break; |
| 1370 | case STV0900_SINGLE: |
| 1371 | if (demod == STV0900_DEMOD_2) |
| 1372 | stv0900_write_reg(i_params, R0900_GENCFG, 0x06); |
| 1373 | else |
| 1374 | stv0900_write_reg(i_params, R0900_GENCFG, 0x04); |
| 1375 | |
| 1376 | i_params->demod_mode = STV0900_SINGLE; |
| 1377 | |
| 1378 | stv0900_write_bits(i_params, F0900_FRESFEC, 1); |
| 1379 | stv0900_write_bits(i_params, F0900_FRESFEC, 0); |
| 1380 | stv0900_write_bits(i_params, F0900_P1_ALGOSWRST, 1); |
| 1381 | stv0900_write_bits(i_params, F0900_P1_ALGOSWRST, 0); |
| 1382 | stv0900_write_bits(i_params, F0900_P2_ALGOSWRST, 1); |
| 1383 | stv0900_write_bits(i_params, F0900_P2_ALGOSWRST, 0); |
| 1384 | break; |
| 1385 | } |
| 1386 | |
| 1387 | return error; |
| 1388 | } |
| 1389 | |
| 1390 | static enum fe_stv0900_error stv0900_init_internal(struct dvb_frontend *fe, |
| 1391 | struct stv0900_init_params *p_init) |
| 1392 | { |
| 1393 | struct stv0900_state *state = fe->demodulator_priv; |
| 1394 | enum fe_stv0900_error error = STV0900_NO_ERROR; |
| 1395 | enum fe_stv0900_error demodError = STV0900_NO_ERROR; |
Igor M. Liplianin | f867c3f | 2009-06-19 05:45:23 -0300 | [diff] [blame] | 1396 | int selosci, i; |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 1397 | |
| 1398 | struct stv0900_inode *temp_int = find_inode(state->i2c_adap, |
| 1399 | state->config->demod_address); |
| 1400 | |
Igor M. Liplianin | 8171c20 | 2009-09-19 08:37:40 -0300 | [diff] [blame] | 1401 | dprintk("%s\n", __func__); |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 1402 | |
| 1403 | if (temp_int != NULL) { |
| 1404 | state->internal = temp_int->internal; |
| 1405 | (state->internal->dmds_used)++; |
Igor M. Liplianin | 8171c20 | 2009-09-19 08:37:40 -0300 | [diff] [blame] | 1406 | dprintk("%s: Find Internal Structure!\n", __func__); |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 1407 | return STV0900_NO_ERROR; |
| 1408 | } else { |
| 1409 | state->internal = kmalloc(sizeof(struct stv0900_internal), GFP_KERNEL); |
| 1410 | temp_int = append_internal(state->internal); |
| 1411 | state->internal->dmds_used = 1; |
| 1412 | state->internal->i2c_adap = state->i2c_adap; |
| 1413 | state->internal->i2c_addr = state->config->demod_address; |
| 1414 | state->internal->clkmode = state->config->clkmode; |
| 1415 | state->internal->errs = STV0900_NO_ERROR; |
Igor M. Liplianin | 8171c20 | 2009-09-19 08:37:40 -0300 | [diff] [blame] | 1416 | dprintk("%s: Create New Internal Structure!\n", __func__); |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 1417 | } |
| 1418 | |
| 1419 | if (state->internal != NULL) { |
| 1420 | demodError = stv0900_initialize(state->internal); |
| 1421 | if (demodError == STV0900_NO_ERROR) { |
| 1422 | error = STV0900_NO_ERROR; |
| 1423 | } else { |
| 1424 | if (demodError == STV0900_INVALID_HANDLE) |
| 1425 | error = STV0900_INVALID_HANDLE; |
| 1426 | else |
| 1427 | error = STV0900_I2C_ERROR; |
| 1428 | } |
| 1429 | |
| 1430 | if (state->internal != NULL) { |
| 1431 | if (error == STV0900_NO_ERROR) { |
| 1432 | state->internal->demod_mode = p_init->demod_mode; |
| 1433 | |
| 1434 | stv0900_st_dvbs2_single(state->internal, state->internal->demod_mode, STV0900_DEMOD_1); |
| 1435 | |
| 1436 | state->internal->chip_id = stv0900_read_reg(state->internal, R0900_MID); |
| 1437 | state->internal->rolloff = p_init->rolloff; |
| 1438 | state->internal->quartz = p_init->dmd_ref_clk; |
| 1439 | |
| 1440 | stv0900_write_bits(state->internal, F0900_P1_ROLLOFF_CONTROL, p_init->rolloff); |
| 1441 | stv0900_write_bits(state->internal, F0900_P2_ROLLOFF_CONTROL, p_init->rolloff); |
| 1442 | |
Igor M. Liplianin | f867c3f | 2009-06-19 05:45:23 -0300 | [diff] [blame] | 1443 | state->internal->ts_config = p_init->ts_config; |
| 1444 | if (state->internal->ts_config == NULL) |
| 1445 | stv0900_set_ts_parallel_serial(state->internal, |
| 1446 | p_init->path1_ts_clock, |
| 1447 | p_init->path2_ts_clock); |
| 1448 | else { |
| 1449 | for (i = 0; state->internal->ts_config[i].addr != 0xffff; i++) |
| 1450 | stv0900_write_reg(state->internal, |
| 1451 | state->internal->ts_config[i].addr, |
| 1452 | state->internal->ts_config[i].val); |
| 1453 | |
| 1454 | stv0900_write_bits(state->internal, F0900_P2_RST_HWARE, 1); |
| 1455 | stv0900_write_bits(state->internal, F0900_P2_RST_HWARE, 0); |
| 1456 | stv0900_write_bits(state->internal, F0900_P1_RST_HWARE, 1); |
| 1457 | stv0900_write_bits(state->internal, F0900_P1_RST_HWARE, 0); |
| 1458 | } |
| 1459 | |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 1460 | stv0900_write_bits(state->internal, F0900_P1_TUN_MADDRESS, p_init->tun1_maddress); |
| 1461 | switch (p_init->tuner1_adc) { |
| 1462 | case 1: |
| 1463 | stv0900_write_reg(state->internal, R0900_TSTTNR1, 0x26); |
| 1464 | break; |
| 1465 | default: |
| 1466 | break; |
| 1467 | } |
| 1468 | |
| 1469 | stv0900_write_bits(state->internal, F0900_P2_TUN_MADDRESS, p_init->tun2_maddress); |
| 1470 | switch (p_init->tuner2_adc) { |
| 1471 | case 1: |
| 1472 | stv0900_write_reg(state->internal, R0900_TSTTNR3, 0x26); |
| 1473 | break; |
| 1474 | default: |
| 1475 | break; |
| 1476 | } |
| 1477 | |
| 1478 | stv0900_write_bits(state->internal, F0900_P1_TUN_IQSWAP, p_init->tun1_iq_inversion); |
| 1479 | stv0900_write_bits(state->internal, F0900_P2_TUN_IQSWAP, p_init->tun2_iq_inversion); |
| 1480 | stv0900_set_mclk(state->internal, 135000000); |
| 1481 | msleep(3); |
| 1482 | |
| 1483 | switch (state->internal->clkmode) { |
| 1484 | case 0: |
| 1485 | case 2: |
| 1486 | stv0900_write_reg(state->internal, R0900_SYNTCTRL, 0x20 | state->internal->clkmode); |
| 1487 | break; |
| 1488 | default: |
| 1489 | selosci = 0x02 & stv0900_read_reg(state->internal, R0900_SYNTCTRL); |
| 1490 | stv0900_write_reg(state->internal, R0900_SYNTCTRL, 0x20 | selosci); |
| 1491 | break; |
| 1492 | } |
| 1493 | msleep(3); |
| 1494 | |
| 1495 | state->internal->mclk = stv0900_get_mclk_freq(state->internal, state->internal->quartz); |
| 1496 | if (state->internal->errs) |
| 1497 | error = STV0900_I2C_ERROR; |
| 1498 | } |
| 1499 | } else { |
| 1500 | error = STV0900_INVALID_HANDLE; |
| 1501 | } |
| 1502 | } |
| 1503 | |
| 1504 | return error; |
| 1505 | } |
| 1506 | |
| 1507 | static int stv0900_status(struct stv0900_internal *i_params, |
| 1508 | enum fe_stv0900_demod_num demod) |
| 1509 | { |
| 1510 | enum fe_stv0900_search_state demod_state; |
| 1511 | s32 mode_field, delin_field, lock_field, fifo_field, lockedvit_field; |
| 1512 | int locked = FALSE; |
| 1513 | |
| 1514 | dmd_reg(mode_field, F0900_P1_HEADER_MODE, F0900_P2_HEADER_MODE); |
| 1515 | dmd_reg(lock_field, F0900_P1_LOCK_DEFINITIF, F0900_P2_LOCK_DEFINITIF); |
| 1516 | dmd_reg(delin_field, F0900_P1_PKTDELIN_LOCK, F0900_P2_PKTDELIN_LOCK); |
| 1517 | dmd_reg(fifo_field, F0900_P1_TSFIFO_LINEOK, F0900_P2_TSFIFO_LINEOK); |
| 1518 | dmd_reg(lockedvit_field, F0900_P1_LOCKEDVIT, F0900_P2_LOCKEDVIT); |
| 1519 | |
| 1520 | demod_state = stv0900_get_bits(i_params, mode_field); |
| 1521 | switch (demod_state) { |
| 1522 | case STV0900_SEARCH: |
| 1523 | case STV0900_PLH_DETECTED: |
| 1524 | default: |
| 1525 | locked = FALSE; |
| 1526 | break; |
| 1527 | case STV0900_DVBS2_FOUND: |
| 1528 | locked = stv0900_get_bits(i_params, lock_field) && |
| 1529 | stv0900_get_bits(i_params, delin_field) && |
| 1530 | stv0900_get_bits(i_params, fifo_field); |
| 1531 | break; |
| 1532 | case STV0900_DVBS_FOUND: |
| 1533 | locked = stv0900_get_bits(i_params, lock_field) && |
| 1534 | stv0900_get_bits(i_params, lockedvit_field) && |
| 1535 | stv0900_get_bits(i_params, fifo_field); |
| 1536 | break; |
| 1537 | } |
| 1538 | |
| 1539 | return locked; |
| 1540 | } |
| 1541 | |
| 1542 | static enum dvbfe_search stv0900_search(struct dvb_frontend *fe, |
| 1543 | struct dvb_frontend_parameters *params) |
| 1544 | { |
| 1545 | struct stv0900_state *state = fe->demodulator_priv; |
| 1546 | struct stv0900_internal *i_params = state->internal; |
| 1547 | struct dtv_frontend_properties *c = &fe->dtv_property_cache; |
| 1548 | |
| 1549 | struct stv0900_search_params p_search; |
| 1550 | struct stv0900_signal_info p_result; |
| 1551 | |
| 1552 | enum fe_stv0900_error error = STV0900_NO_ERROR; |
| 1553 | |
Igor M. Liplianin | 8171c20 | 2009-09-19 08:37:40 -0300 | [diff] [blame] | 1554 | dprintk("%s: ", __func__); |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 1555 | |
| 1556 | p_result.locked = FALSE; |
| 1557 | p_search.path = state->demod; |
| 1558 | p_search.frequency = c->frequency; |
| 1559 | p_search.symbol_rate = c->symbol_rate; |
| 1560 | p_search.search_range = 10000000; |
| 1561 | p_search.fec = STV0900_FEC_UNKNOWN; |
| 1562 | p_search.standard = STV0900_AUTO_SEARCH; |
| 1563 | p_search.iq_inversion = STV0900_IQ_AUTO; |
| 1564 | p_search.search_algo = STV0900_BLIND_SEARCH; |
| 1565 | |
| 1566 | if ((INRANGE(100000, p_search.symbol_rate, 70000000)) && |
| 1567 | (INRANGE(100000, p_search.search_range, 50000000))) { |
| 1568 | switch (p_search.path) { |
| 1569 | case STV0900_DEMOD_1: |
| 1570 | default: |
| 1571 | i_params->dmd1_srch_standard = p_search.standard; |
| 1572 | i_params->dmd1_symbol_rate = p_search.symbol_rate; |
| 1573 | i_params->dmd1_srch_range = p_search.search_range; |
| 1574 | i_params->tuner1_freq = p_search.frequency; |
| 1575 | i_params->dmd1_srch_algo = p_search.search_algo; |
| 1576 | i_params->dmd1_srch_iq_inv = p_search.iq_inversion; |
| 1577 | i_params->dmd1_fec = p_search.fec; |
| 1578 | break; |
| 1579 | |
| 1580 | case STV0900_DEMOD_2: |
| 1581 | i_params->dmd2_srch_stndrd = p_search.standard; |
| 1582 | i_params->dmd2_symbol_rate = p_search.symbol_rate; |
| 1583 | i_params->dmd2_srch_range = p_search.search_range; |
| 1584 | i_params->tuner2_freq = p_search.frequency; |
| 1585 | i_params->dmd2_srch_algo = p_search.search_algo; |
| 1586 | i_params->dmd2_srch_iq_inv = p_search.iq_inversion; |
| 1587 | i_params->dmd2_fec = p_search.fec; |
| 1588 | break; |
| 1589 | } |
| 1590 | |
| 1591 | if ((stv0900_algo(fe) == STV0900_RANGEOK) && |
| 1592 | (i_params->errs == STV0900_NO_ERROR)) { |
| 1593 | switch (p_search.path) { |
| 1594 | case STV0900_DEMOD_1: |
| 1595 | default: |
| 1596 | p_result.locked = i_params->dmd1_rslts.locked; |
| 1597 | p_result.standard = i_params->dmd1_rslts.standard; |
| 1598 | p_result.frequency = i_params->dmd1_rslts.frequency; |
| 1599 | p_result.symbol_rate = i_params->dmd1_rslts.symbol_rate; |
| 1600 | p_result.fec = i_params->dmd1_rslts.fec; |
| 1601 | p_result.modcode = i_params->dmd1_rslts.modcode; |
| 1602 | p_result.pilot = i_params->dmd1_rslts.pilot; |
| 1603 | p_result.frame_length = i_params->dmd1_rslts.frame_length; |
| 1604 | p_result.spectrum = i_params->dmd1_rslts.spectrum; |
| 1605 | p_result.rolloff = i_params->dmd1_rslts.rolloff; |
| 1606 | p_result.modulation = i_params->dmd1_rslts.modulation; |
| 1607 | break; |
| 1608 | case STV0900_DEMOD_2: |
| 1609 | p_result.locked = i_params->dmd2_rslts.locked; |
| 1610 | p_result.standard = i_params->dmd2_rslts.standard; |
| 1611 | p_result.frequency = i_params->dmd2_rslts.frequency; |
| 1612 | p_result.symbol_rate = i_params->dmd2_rslts.symbol_rate; |
| 1613 | p_result.fec = i_params->dmd2_rslts.fec; |
| 1614 | p_result.modcode = i_params->dmd2_rslts.modcode; |
| 1615 | p_result.pilot = i_params->dmd2_rslts.pilot; |
| 1616 | p_result.frame_length = i_params->dmd2_rslts.frame_length; |
| 1617 | p_result.spectrum = i_params->dmd2_rslts.spectrum; |
| 1618 | p_result.rolloff = i_params->dmd2_rslts.rolloff; |
| 1619 | p_result.modulation = i_params->dmd2_rslts.modulation; |
| 1620 | break; |
| 1621 | } |
| 1622 | |
| 1623 | } else { |
| 1624 | p_result.locked = FALSE; |
| 1625 | switch (p_search.path) { |
| 1626 | case STV0900_DEMOD_1: |
| 1627 | switch (i_params->dmd1_err) { |
| 1628 | case STV0900_I2C_ERROR: |
| 1629 | error = STV0900_I2C_ERROR; |
| 1630 | break; |
| 1631 | case STV0900_NO_ERROR: |
| 1632 | default: |
| 1633 | error = STV0900_SEARCH_FAILED; |
| 1634 | break; |
| 1635 | } |
| 1636 | break; |
| 1637 | case STV0900_DEMOD_2: |
| 1638 | switch (i_params->dmd2_err) { |
| 1639 | case STV0900_I2C_ERROR: |
| 1640 | error = STV0900_I2C_ERROR; |
| 1641 | break; |
| 1642 | case STV0900_NO_ERROR: |
| 1643 | default: |
| 1644 | error = STV0900_SEARCH_FAILED; |
| 1645 | break; |
| 1646 | } |
| 1647 | break; |
| 1648 | } |
| 1649 | } |
| 1650 | |
| 1651 | } else |
| 1652 | error = STV0900_BAD_PARAMETER; |
| 1653 | |
| 1654 | if ((p_result.locked == TRUE) && (error == STV0900_NO_ERROR)) { |
Igor M. Liplianin | 8171c20 | 2009-09-19 08:37:40 -0300 | [diff] [blame] | 1655 | dprintk("Search Success\n"); |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 1656 | return DVBFE_ALGO_SEARCH_SUCCESS; |
| 1657 | } else { |
Igor M. Liplianin | 8171c20 | 2009-09-19 08:37:40 -0300 | [diff] [blame] | 1658 | dprintk("Search Fail\n"); |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 1659 | return DVBFE_ALGO_SEARCH_FAILED; |
| 1660 | } |
| 1661 | |
| 1662 | return DVBFE_ALGO_SEARCH_ERROR; |
| 1663 | } |
| 1664 | |
| 1665 | static int stv0900_read_status(struct dvb_frontend *fe, enum fe_status *status) |
| 1666 | { |
| 1667 | struct stv0900_state *state = fe->demodulator_priv; |
| 1668 | |
Igor M. Liplianin | 78175bf | 2009-03-06 19:32:54 -0300 | [diff] [blame] | 1669 | dprintk("%s: ", __func__); |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 1670 | |
| 1671 | if ((stv0900_status(state->internal, state->demod)) == TRUE) { |
| 1672 | dprintk("DEMOD LOCK OK\n"); |
| 1673 | *status = FE_HAS_CARRIER |
| 1674 | | FE_HAS_VITERBI |
| 1675 | | FE_HAS_SYNC |
| 1676 | | FE_HAS_LOCK; |
| 1677 | } else |
| 1678 | dprintk("DEMOD LOCK FAIL\n"); |
| 1679 | |
| 1680 | return 0; |
| 1681 | } |
| 1682 | |
| 1683 | static int stv0900_track(struct dvb_frontend *fe, |
| 1684 | struct dvb_frontend_parameters *p) |
| 1685 | { |
| 1686 | return 0; |
| 1687 | } |
| 1688 | |
| 1689 | static int stv0900_stop_ts(struct dvb_frontend *fe, int stop_ts) |
| 1690 | { |
| 1691 | |
| 1692 | struct stv0900_state *state = fe->demodulator_priv; |
| 1693 | struct stv0900_internal *i_params = state->internal; |
| 1694 | enum fe_stv0900_demod_num demod = state->demod; |
| 1695 | s32 rst_field; |
| 1696 | |
| 1697 | dmd_reg(rst_field, F0900_P1_RST_HWARE, F0900_P2_RST_HWARE); |
| 1698 | |
| 1699 | if (stop_ts == TRUE) |
| 1700 | stv0900_write_bits(i_params, rst_field, 1); |
| 1701 | else |
| 1702 | stv0900_write_bits(i_params, rst_field, 0); |
| 1703 | |
| 1704 | return 0; |
| 1705 | } |
| 1706 | |
| 1707 | static int stv0900_diseqc_init(struct dvb_frontend *fe) |
| 1708 | { |
| 1709 | struct stv0900_state *state = fe->demodulator_priv; |
| 1710 | struct stv0900_internal *i_params = state->internal; |
| 1711 | enum fe_stv0900_demod_num demod = state->demod; |
| 1712 | s32 mode_field, reset_field; |
| 1713 | |
| 1714 | dmd_reg(mode_field, F0900_P1_DISTX_MODE, F0900_P2_DISTX_MODE); |
| 1715 | dmd_reg(reset_field, F0900_P1_DISEQC_RESET, F0900_P2_DISEQC_RESET); |
| 1716 | |
| 1717 | stv0900_write_bits(i_params, mode_field, state->config->diseqc_mode); |
| 1718 | stv0900_write_bits(i_params, reset_field, 1); |
| 1719 | stv0900_write_bits(i_params, reset_field, 0); |
| 1720 | |
| 1721 | return 0; |
| 1722 | } |
| 1723 | |
| 1724 | static int stv0900_init(struct dvb_frontend *fe) |
| 1725 | { |
Igor M. Liplianin | 8171c20 | 2009-09-19 08:37:40 -0300 | [diff] [blame] | 1726 | dprintk("%s\n", __func__); |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 1727 | |
| 1728 | stv0900_stop_ts(fe, 1); |
| 1729 | stv0900_diseqc_init(fe); |
| 1730 | |
| 1731 | return 0; |
| 1732 | } |
| 1733 | |
| 1734 | static int stv0900_diseqc_send(struct stv0900_internal *i_params , u8 *Data, |
| 1735 | u32 NbData, enum fe_stv0900_demod_num demod) |
| 1736 | { |
| 1737 | s32 i = 0; |
| 1738 | |
| 1739 | switch (demod) { |
| 1740 | case STV0900_DEMOD_1: |
| 1741 | default: |
| 1742 | stv0900_write_bits(i_params, F0900_P1_DIS_PRECHARGE, 1); |
| 1743 | while (i < NbData) { |
| 1744 | while (stv0900_get_bits(i_params, F0900_P1_FIFO_FULL)) |
| 1745 | ;/* checkpatch complains */ |
| 1746 | stv0900_write_reg(i_params, R0900_P1_DISTXDATA, Data[i]); |
| 1747 | i++; |
| 1748 | } |
| 1749 | |
| 1750 | stv0900_write_bits(i_params, F0900_P1_DIS_PRECHARGE, 0); |
| 1751 | i = 0; |
| 1752 | while ((stv0900_get_bits(i_params, F0900_P1_TX_IDLE) != 1) && (i < 10)) { |
| 1753 | msleep(10); |
| 1754 | i++; |
| 1755 | } |
| 1756 | |
| 1757 | break; |
| 1758 | case STV0900_DEMOD_2: |
| 1759 | stv0900_write_bits(i_params, F0900_P2_DIS_PRECHARGE, 1); |
| 1760 | |
| 1761 | while (i < NbData) { |
| 1762 | while (stv0900_get_bits(i_params, F0900_P2_FIFO_FULL)) |
| 1763 | ;/* checkpatch complains */ |
| 1764 | stv0900_write_reg(i_params, R0900_P2_DISTXDATA, Data[i]); |
| 1765 | i++; |
| 1766 | } |
| 1767 | |
| 1768 | stv0900_write_bits(i_params, F0900_P2_DIS_PRECHARGE, 0); |
| 1769 | i = 0; |
| 1770 | while ((stv0900_get_bits(i_params, F0900_P2_TX_IDLE) != 1) && (i < 10)) { |
| 1771 | msleep(10); |
| 1772 | i++; |
| 1773 | } |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 1774 | break; |
| 1775 | } |
| 1776 | |
| 1777 | return 0; |
| 1778 | } |
| 1779 | |
| 1780 | static int stv0900_send_master_cmd(struct dvb_frontend *fe, |
| 1781 | struct dvb_diseqc_master_cmd *cmd) |
| 1782 | { |
| 1783 | struct stv0900_state *state = fe->demodulator_priv; |
| 1784 | |
| 1785 | return stv0900_diseqc_send(state->internal, |
| 1786 | cmd->msg, |
| 1787 | cmd->msg_len, |
| 1788 | state->demod); |
| 1789 | } |
| 1790 | |
| 1791 | static int stv0900_send_burst(struct dvb_frontend *fe, fe_sec_mini_cmd_t burst) |
| 1792 | { |
| 1793 | struct stv0900_state *state = fe->demodulator_priv; |
| 1794 | struct stv0900_internal *i_params = state->internal; |
| 1795 | enum fe_stv0900_demod_num demod = state->demod; |
| 1796 | s32 mode_field; |
Abylay Ospan | 9329fb5 | 2009-10-17 08:38:45 -0300 | [diff] [blame^] | 1797 | u8 data; |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 1798 | |
| 1799 | dmd_reg(mode_field, F0900_P1_DISTX_MODE, F0900_P2_DISTX_MODE); |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 1800 | |
| 1801 | switch (burst) { |
| 1802 | case SEC_MINI_A: |
| 1803 | stv0900_write_bits(i_params, mode_field, 3);/* Unmodulated */ |
Abylay Ospan | 9329fb5 | 2009-10-17 08:38:45 -0300 | [diff] [blame^] | 1804 | data = 0x00; |
| 1805 | stv0900_diseqc_send(state->internal, &data, 1, state->demod); |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 1806 | break; |
| 1807 | case SEC_MINI_B: |
| 1808 | stv0900_write_bits(i_params, mode_field, 2);/* Modulated */ |
Abylay Ospan | 9329fb5 | 2009-10-17 08:38:45 -0300 | [diff] [blame^] | 1809 | data = 0xff; |
| 1810 | stv0900_diseqc_send(state->internal, &data, 1, state->demod); |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 1811 | break; |
| 1812 | } |
| 1813 | |
| 1814 | return 0; |
| 1815 | } |
| 1816 | |
| 1817 | static int stv0900_recv_slave_reply(struct dvb_frontend *fe, |
| 1818 | struct dvb_diseqc_slave_reply *reply) |
| 1819 | { |
| 1820 | struct stv0900_state *state = fe->demodulator_priv; |
| 1821 | struct stv0900_internal *i_params = state->internal; |
| 1822 | s32 i = 0; |
| 1823 | |
| 1824 | switch (state->demod) { |
| 1825 | case STV0900_DEMOD_1: |
| 1826 | default: |
| 1827 | reply->msg_len = 0; |
| 1828 | |
| 1829 | while ((stv0900_get_bits(i_params, F0900_P1_RX_END) != 1) && (i < 10)) { |
| 1830 | msleep(10); |
| 1831 | i++; |
| 1832 | } |
| 1833 | |
| 1834 | if (stv0900_get_bits(i_params, F0900_P1_RX_END)) { |
| 1835 | reply->msg_len = stv0900_get_bits(i_params, F0900_P1_FIFO_BYTENBR); |
| 1836 | |
| 1837 | for (i = 0; i < reply->msg_len; i++) |
| 1838 | reply->msg[i] = stv0900_read_reg(i_params, R0900_P1_DISRXDATA); |
| 1839 | } |
| 1840 | break; |
| 1841 | case STV0900_DEMOD_2: |
| 1842 | reply->msg_len = 0; |
| 1843 | |
| 1844 | while ((stv0900_get_bits(i_params, F0900_P2_RX_END) != 1) && (i < 10)) { |
| 1845 | msleep(10); |
| 1846 | i++; |
| 1847 | } |
| 1848 | |
| 1849 | if (stv0900_get_bits(i_params, F0900_P2_RX_END)) { |
| 1850 | reply->msg_len = stv0900_get_bits(i_params, F0900_P2_FIFO_BYTENBR); |
| 1851 | |
| 1852 | for (i = 0; i < reply->msg_len; i++) |
| 1853 | reply->msg[i] = stv0900_read_reg(i_params, R0900_P2_DISRXDATA); |
| 1854 | } |
| 1855 | break; |
| 1856 | } |
| 1857 | |
| 1858 | return 0; |
| 1859 | } |
| 1860 | |
Abylay Ospan | 9329fb5 | 2009-10-17 08:38:45 -0300 | [diff] [blame^] | 1861 | static int stv0900_set_tone(struct dvb_frontend *fe, fe_sec_tone_mode_t toneoff) |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 1862 | { |
| 1863 | struct stv0900_state *state = fe->demodulator_priv; |
| 1864 | struct stv0900_internal *i_params = state->internal; |
| 1865 | enum fe_stv0900_demod_num demod = state->demod; |
| 1866 | s32 mode_field, reset_field; |
| 1867 | |
Abylay Ospan | 9329fb5 | 2009-10-17 08:38:45 -0300 | [diff] [blame^] | 1868 | dprintk("%s: %s\n", __func__, ((toneoff == 0) ? "On" : "Off")); |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 1869 | |
| 1870 | dmd_reg(mode_field, F0900_P1_DISTX_MODE, F0900_P2_DISTX_MODE); |
| 1871 | dmd_reg(reset_field, F0900_P1_DISEQC_RESET, F0900_P2_DISEQC_RESET); |
| 1872 | |
Abylay Ospan | 9329fb5 | 2009-10-17 08:38:45 -0300 | [diff] [blame^] | 1873 | switch (toneoff) { |
| 1874 | case SEC_TONE_ON: |
| 1875 | /*Set the DiseqC mode to 22Khz _continues_ tone*/ |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 1876 | stv0900_write_bits(i_params, mode_field, 0); |
| 1877 | stv0900_write_bits(i_params, reset_field, 1); |
| 1878 | /*release DiseqC reset to enable the 22KHz tone*/ |
| 1879 | stv0900_write_bits(i_params, reset_field, 0); |
Abylay Ospan | 9329fb5 | 2009-10-17 08:38:45 -0300 | [diff] [blame^] | 1880 | break; |
| 1881 | case SEC_TONE_OFF: |
| 1882 | /*return diseqc mode to config->diseqc_mode. |
| 1883 | Usually it's without _continues_ tone */ |
| 1884 | stv0900_write_bits(i_params, mode_field, |
| 1885 | state->config->diseqc_mode); |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 1886 | /*maintain the DiseqC reset to disable the 22KHz tone*/ |
| 1887 | stv0900_write_bits(i_params, reset_field, 1); |
Abylay Ospan | 9329fb5 | 2009-10-17 08:38:45 -0300 | [diff] [blame^] | 1888 | stv0900_write_bits(i_params, reset_field, 0); |
| 1889 | break; |
| 1890 | default: |
| 1891 | return -EINVAL; |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 1892 | } |
| 1893 | |
| 1894 | return 0; |
| 1895 | } |
| 1896 | |
| 1897 | static void stv0900_release(struct dvb_frontend *fe) |
| 1898 | { |
| 1899 | struct stv0900_state *state = fe->demodulator_priv; |
| 1900 | |
Igor M. Liplianin | 8171c20 | 2009-09-19 08:37:40 -0300 | [diff] [blame] | 1901 | dprintk("%s\n", __func__); |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 1902 | |
| 1903 | if ((--(state->internal->dmds_used)) <= 0) { |
| 1904 | |
Igor M. Liplianin | 8171c20 | 2009-09-19 08:37:40 -0300 | [diff] [blame] | 1905 | dprintk("%s: Actually removing\n", __func__); |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 1906 | |
| 1907 | remove_inode(state->internal); |
| 1908 | kfree(state->internal); |
| 1909 | } |
| 1910 | |
| 1911 | kfree(state); |
| 1912 | } |
| 1913 | |
| 1914 | static struct dvb_frontend_ops stv0900_ops = { |
| 1915 | |
| 1916 | .info = { |
| 1917 | .name = "STV0900 frontend", |
| 1918 | .type = FE_QPSK, |
| 1919 | .frequency_min = 950000, |
| 1920 | .frequency_max = 2150000, |
| 1921 | .frequency_stepsize = 125, |
| 1922 | .frequency_tolerance = 0, |
| 1923 | .symbol_rate_min = 1000000, |
| 1924 | .symbol_rate_max = 45000000, |
| 1925 | .symbol_rate_tolerance = 500, |
| 1926 | .caps = FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | |
| 1927 | FE_CAN_FEC_3_4 | FE_CAN_FEC_5_6 | |
| 1928 | FE_CAN_FEC_7_8 | FE_CAN_QPSK | |
| 1929 | FE_CAN_2G_MODULATION | |
| 1930 | FE_CAN_FEC_AUTO |
| 1931 | }, |
| 1932 | .release = stv0900_release, |
| 1933 | .init = stv0900_init, |
| 1934 | .get_frontend_algo = stv0900_frontend_algo, |
| 1935 | .i2c_gate_ctrl = stv0900_i2c_gate_ctrl, |
| 1936 | .diseqc_send_master_cmd = stv0900_send_master_cmd, |
| 1937 | .diseqc_send_burst = stv0900_send_burst, |
| 1938 | .diseqc_recv_slave_reply = stv0900_recv_slave_reply, |
| 1939 | .set_tone = stv0900_set_tone, |
| 1940 | .set_property = stb0900_set_property, |
| 1941 | .get_property = stb0900_get_property, |
| 1942 | .search = stv0900_search, |
| 1943 | .track = stv0900_track, |
| 1944 | .read_status = stv0900_read_status, |
| 1945 | .read_ber = stv0900_read_ber, |
| 1946 | .read_signal_strength = stv0900_read_signal_strength, |
| 1947 | .read_snr = stv0900_read_snr, |
Abylay Ospan | ee1ebcf | 2009-06-08 04:31:26 -0300 | [diff] [blame] | 1948 | .read_ucblocks = stv0900_read_ucblocks, |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 1949 | }; |
| 1950 | |
| 1951 | struct dvb_frontend *stv0900_attach(const struct stv0900_config *config, |
| 1952 | struct i2c_adapter *i2c, |
| 1953 | int demod) |
| 1954 | { |
| 1955 | struct stv0900_state *state = NULL; |
| 1956 | struct stv0900_init_params init_params; |
| 1957 | enum fe_stv0900_error err_stv0900; |
| 1958 | |
| 1959 | state = kzalloc(sizeof(struct stv0900_state), GFP_KERNEL); |
| 1960 | if (state == NULL) |
| 1961 | goto error; |
| 1962 | |
| 1963 | state->demod = demod; |
| 1964 | state->config = config; |
| 1965 | state->i2c_adap = i2c; |
| 1966 | |
| 1967 | memcpy(&state->frontend.ops, &stv0900_ops, |
| 1968 | sizeof(struct dvb_frontend_ops)); |
| 1969 | state->frontend.demodulator_priv = state; |
| 1970 | |
| 1971 | switch (demod) { |
| 1972 | case 0: |
| 1973 | case 1: |
| 1974 | init_params.dmd_ref_clk = config->xtal; |
| 1975 | init_params.demod_mode = STV0900_DUAL; |
| 1976 | init_params.rolloff = STV0900_35; |
| 1977 | init_params.path1_ts_clock = config->path1_mode; |
| 1978 | init_params.tun1_maddress = config->tun1_maddress; |
| 1979 | init_params.tun1_iq_inversion = STV0900_IQ_NORMAL; |
| 1980 | init_params.tuner1_adc = config->tun1_adc; |
| 1981 | init_params.path2_ts_clock = config->path2_mode; |
Igor M. Liplianin | f867c3f | 2009-06-19 05:45:23 -0300 | [diff] [blame] | 1982 | init_params.ts_config = config->ts_config_regs; |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 1983 | init_params.tun2_maddress = config->tun2_maddress; |
| 1984 | init_params.tuner2_adc = config->tun2_adc; |
| 1985 | init_params.tun2_iq_inversion = STV0900_IQ_SWAPPED; |
| 1986 | |
| 1987 | err_stv0900 = stv0900_init_internal(&state->frontend, |
| 1988 | &init_params); |
| 1989 | |
| 1990 | if (err_stv0900) |
| 1991 | goto error; |
| 1992 | |
Igor M. Liplianin | 99277b3 | 2009-03-03 11:45:49 -0300 | [diff] [blame] | 1993 | break; |
| 1994 | default: |
| 1995 | goto error; |
| 1996 | break; |
| 1997 | } |
| 1998 | |
| 1999 | dprintk("%s: Attaching STV0900 demodulator(%d) \n", __func__, demod); |
| 2000 | return &state->frontend; |
| 2001 | |
| 2002 | error: |
| 2003 | dprintk("%s: Failed to attach STV0900 demodulator(%d) \n", |
| 2004 | __func__, demod); |
| 2005 | kfree(state); |
| 2006 | return NULL; |
| 2007 | } |
| 2008 | EXPORT_SYMBOL(stv0900_attach); |
| 2009 | |
| 2010 | MODULE_PARM_DESC(debug, "Set debug"); |
| 2011 | |
| 2012 | MODULE_AUTHOR("Igor M. Liplianin"); |
| 2013 | MODULE_DESCRIPTION("ST STV0900 frontend"); |
| 2014 | MODULE_LICENSE("GPL"); |