kernel/sound/pci/oxygen/xonar_dg.c

   1 /*
   2  * card driver for the Xonar DG/DGX
   3  *
   4  * Copyright (c) Clemens Ladisch <clemens@ladisch.de>
   5  * Copyright (c) Roman Volkov <v1ron@mail.ru>
   6  *
   7  *  This driver is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License, version 2.
   9  *
  10  *  This driver is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with this driver; if not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 /*
  20  * Xonar DG/DGX
  21  * ------------
  22  *
  23  * CS4245 and CS4361 both will mute all outputs if any clock ratio
  24  * is invalid.
  25  *
  26  * CMI8788:
  27  *
  28  *   SPI 0 -> CS4245
  29  *
  30  *   Playback:
  31  *   I²S 1 -> CS4245
  32  *   I²S 2 -> CS4361 (center/LFE)
  33  *   I²S 3 -> CS4361 (surround)
  34  *   I²S 4 -> CS4361 (front)
  35  *   Capture:
  36  *   I²S ADC 1 <- CS4245
  37  *
  38  *   GPIO 3 <- ?
  39  *   GPIO 4 <- headphone detect
  40  *   GPIO 5 -> enable ADC analog circuit for the left channel
  41  *   GPIO 6 -> enable ADC analog circuit for the right channel
  42  *   GPIO 7 -> switch green rear output jack between CS4245 and and the first
  43  *             channel of CS4361 (mechanical relay)
  44  *   GPIO 8 -> enable output to speakers
  45  *
  46  * CS4245:
  47  *
  48  *   input 0 <- mic
  49  *   input 1 <- aux
  50  *   input 2 <- front mic
  51  *   input 4 <- line
  52  *   DAC out -> headphones
  53  *   aux out -> front panel headphones
  54  */
  55
  56 #include <linux/pci.h>
  57 #include <linux/delay.h>
  58 #include <sound/control.h>
  59 #include <sound/core.h>
  60 #include <sound/info.h>
  61 #include <sound/pcm.h>
  62 #include <sound/tlv.h>
  63 #include "oxygen.h"
  64 #include "xonar_dg.h"
  65 #include "cs4245.h"
  66
  67 int cs4245_write_spi(struct oxygen *chip, u8 reg)
  68 {
  69         struct dg *data = chip->model_data;
  70         unsigned int packet;
  71
  72         packet = reg << 8;
  73         packet |= (CS4245_SPI_ADDRESS | CS4245_SPI_WRITE) << 16;
  74         packet |= data->cs4245_shadow[reg];
  75
  76         return oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER |
  77                                 OXYGEN_SPI_DATA_LENGTH_3 |
  78                                 OXYGEN_SPI_CLOCK_1280 |
  79                                 (0 << OXYGEN_SPI_CODEC_SHIFT) |
  80                                 OXYGEN_SPI_CEN_LATCH_CLOCK_HI,
  81                                 packet);
  82 }
  83
  84 int cs4245_read_spi(struct oxygen *chip, u8 addr)
  85 {
  86         struct dg *data = chip->model_data;
  87         int ret;
  88
  89         ret = oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER |
  90                 OXYGEN_SPI_DATA_LENGTH_2 |
  91                 OXYGEN_SPI_CEN_LATCH_CLOCK_HI |
  92                 OXYGEN_SPI_CLOCK_1280 | (0 << OXYGEN_SPI_CODEC_SHIFT),
  93                 ((CS4245_SPI_ADDRESS | CS4245_SPI_WRITE) << 8) | addr);
  94         if (ret < 0)
  95                 return ret;
  96
  97         ret = oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER |
  98                 OXYGEN_SPI_DATA_LENGTH_2 |
  99                 OXYGEN_SPI_CEN_LATCH_CLOCK_HI |
 100                 OXYGEN_SPI_CLOCK_1280 | (0 << OXYGEN_SPI_CODEC_SHIFT),
 101                 (CS4245_SPI_ADDRESS | CS4245_SPI_READ) << 8);
 102         if (ret < 0)
 103                 return ret;
 104
 105         data->cs4245_shadow[addr] = oxygen_read8(chip, OXYGEN_SPI_DATA1);
 106
 107         return 0;
 108 }
 109
 110 int cs4245_shadow_control(struct oxygen *chip, enum cs4245_shadow_operation op)
 111 {
 112         struct dg *data = chip->model_data;
 113         unsigned char addr;
 114         int ret;
 115
 116         for (addr = 1; addr < ARRAY_SIZE(data->cs4245_shadow); addr++) {
 117                 ret = (op == CS4245_SAVE_TO_SHADOW ?
 118                         cs4245_read_spi(chip, addr) :
 119                         cs4245_write_spi(chip, addr));
 120                 if (ret < 0)
 121                         return ret;
 122         }
 123         return 0;
 124 }
 125
 126 static void cs4245_init(struct oxygen *chip)
 127 {
 128         struct dg *data = chip->model_data;
 129
 130         /* save the initial state: codec version, registers */
 131         cs4245_shadow_control(chip, CS4245_SAVE_TO_SHADOW);
 132
 133         /*
 134          * Power up the CODEC internals, enable soft ramp & zero cross, work in
 135          * async. mode, enable aux output from DAC. Invert DAC output as in the
 136          * Windows driver.
 137          */
 138         data->cs4245_shadow[CS4245_POWER_CTRL] = 0;
 139         data->cs4245_shadow[CS4245_SIGNAL_SEL] =
 140                 CS4245_A_OUT_SEL_DAC | CS4245_ASYNCH;
 141         data->cs4245_shadow[CS4245_DAC_CTRL_1] =
 142                 CS4245_DAC_FM_SINGLE | CS4245_DAC_DIF_LJUST;
 143         data->cs4245_shadow[CS4245_DAC_CTRL_2] =
 144                 CS4245_DAC_SOFT | CS4245_DAC_ZERO | CS4245_INVERT_DAC;
 145         data->cs4245_shadow[CS4245_ADC_CTRL] =
 146                 CS4245_ADC_FM_SINGLE | CS4245_ADC_DIF_LJUST;
 147         data->cs4245_shadow[CS4245_ANALOG_IN] =
 148                 CS4245_PGA_SOFT | CS4245_PGA_ZERO;
 149         data->cs4245_shadow[CS4245_PGA_B_CTRL] = 0;
 150         data->cs4245_shadow[CS4245_PGA_A_CTRL] = 0;
 151         data->cs4245_shadow[CS4245_DAC_A_CTRL] = 8;
 152         data->cs4245_shadow[CS4245_DAC_B_CTRL] = 8;
 153
 154         cs4245_shadow_control(chip, CS4245_LOAD_FROM_SHADOW);
 155         snd_component_add(chip->card, "CS4245");
 156 }
 157
 158 void dg_init(struct oxygen *chip)
 159 {
 160         struct dg *data = chip->model_data;
 161
 162         data->output_sel = PLAYBACK_DST_HP_FP;
 163         data->input_sel = CAPTURE_SRC_MIC;
 164
 165         cs4245_init(chip);
 166         oxygen_write16(chip, OXYGEN_GPIO_CONTROL,
 167                        GPIO_OUTPUT_ENABLE | GPIO_HP_REAR | GPIO_INPUT_ROUTE);
 168         /* anti-pop delay, wait some time before enabling the output */
 169         msleep(2500);
 170         oxygen_write16(chip, OXYGEN_GPIO_DATA,
 171                        GPIO_OUTPUT_ENABLE | GPIO_INPUT_ROUTE);
 172 }
 173
 174 void dg_cleanup(struct oxygen *chip)
 175 {
 176         oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, GPIO_OUTPUT_ENABLE);
 177 }
 178
 179 void dg_suspend(struct oxygen *chip)
 180 {
 181         dg_cleanup(chip);
 182 }
 183
 184 void dg_resume(struct oxygen *chip)
 185 {
 186         cs4245_shadow_control(chip, CS4245_LOAD_FROM_SHADOW);
 187         msleep(2500);
 188         oxygen_set_bits16(chip, OXYGEN_GPIO_DATA, GPIO_OUTPUT_ENABLE);
 189 }
 190
 191 void set_cs4245_dac_params(struct oxygen *chip,
 192                                   struct snd_pcm_hw_params *params)
 193 {
 194         struct dg *data = chip->model_data;
 195         unsigned char dac_ctrl;
 196         unsigned char mclk_freq;
 197
 198         dac_ctrl = data->cs4245_shadow[CS4245_DAC_CTRL_1] & ~CS4245_DAC_FM_MASK;
 199         mclk_freq = data->cs4245_shadow[CS4245_MCLK_FREQ] & ~CS4245_MCLK1_MASK;
 200         if (params_rate(params) <= 50000) {
 201                 dac_ctrl |= CS4245_DAC_FM_SINGLE;
 202                 mclk_freq |= CS4245_MCLK_1 << CS4245_MCLK1_SHIFT;
 203         } else if (params_rate(params) <= 100000) {
 204                 dac_ctrl |= CS4245_DAC_FM_DOUBLE;
 205                 mclk_freq |= CS4245_MCLK_1 << CS4245_MCLK1_SHIFT;
 206         } else {
 207                 dac_ctrl |= CS4245_DAC_FM_QUAD;
 208                 mclk_freq |= CS4245_MCLK_2 << CS4245_MCLK1_SHIFT;
 209         }
 210         data->cs4245_shadow[CS4245_DAC_CTRL_1] = dac_ctrl;
 211         data->cs4245_shadow[CS4245_MCLK_FREQ] = mclk_freq;
 212         cs4245_write_spi(chip, CS4245_DAC_CTRL_1);
 213         cs4245_write_spi(chip, CS4245_MCLK_FREQ);
 214 }
 215
 216 void set_cs4245_adc_params(struct oxygen *chip,
 217                                   struct snd_pcm_hw_params *params)
 218 {
 219         struct dg *data = chip->model_data;
 220         unsigned char adc_ctrl;
 221         unsigned char mclk_freq;
 222
 223         adc_ctrl = data->cs4245_shadow[CS4245_ADC_CTRL] & ~CS4245_ADC_FM_MASK;
 224         mclk_freq = data->cs4245_shadow[CS4245_MCLK_FREQ] & ~CS4245_MCLK2_MASK;
 225         if (params_rate(params) <= 50000) {
 226                 adc_ctrl |= CS4245_ADC_FM_SINGLE;
 227                 mclk_freq |= CS4245_MCLK_1 << CS4245_MCLK2_SHIFT;
 228         } else if (params_rate(params) <= 100000) {
 229                 adc_ctrl |= CS4245_ADC_FM_DOUBLE;
 230                 mclk_freq |= CS4245_MCLK_1 << CS4245_MCLK2_SHIFT;
 231         } else {
 232                 adc_ctrl |= CS4245_ADC_FM_QUAD;
 233                 mclk_freq |= CS4245_MCLK_2 << CS4245_MCLK2_SHIFT;
 234         }
 235         data->cs4245_shadow[CS4245_ADC_CTRL] = adc_ctrl;
 236         data->cs4245_shadow[CS4245_MCLK_FREQ] = mclk_freq;
 237         cs4245_write_spi(chip, CS4245_ADC_CTRL);
 238         cs4245_write_spi(chip, CS4245_MCLK_FREQ);
 239 }
 240
 241 static inline unsigned int shift_bits(unsigned int value,
 242                                       unsigned int shift_from,
 243                                       unsigned int shift_to,
 244                                       unsigned int mask)
 245 {
 246         if (shift_from < shift_to)
 247                 return (value << (shift_to - shift_from)) & mask;
 248         else
 249                 return (value >> (shift_from - shift_to)) & mask;
 250 }
 251
 252 unsigned int adjust_dg_dac_routing(struct oxygen *chip,
 253                                           unsigned int play_routing)
 254 {
 255         struct dg *data = chip->model_data;
 256
 257         switch (data->output_sel) {
 258         case PLAYBACK_DST_HP:
 259         case PLAYBACK_DST_HP_FP:
 260                 oxygen_write8_masked(chip, OXYGEN_PLAY_ROUTING,
 261                         OXYGEN_PLAY_MUTE23 | OXYGEN_PLAY_MUTE45 |
 262                         OXYGEN_PLAY_MUTE67, OXYGEN_PLAY_MUTE_MASK);
 263                 break;
 264         case PLAYBACK_DST_MULTICH:
 265                 oxygen_write8_masked(chip, OXYGEN_PLAY_ROUTING,
 266                         OXYGEN_PLAY_MUTE01, OXYGEN_PLAY_MUTE_MASK);
 267                 break;
 268         }
 269         return (play_routing & OXYGEN_PLAY_DAC0_SOURCE_MASK) |
 270                shift_bits(play_routing,
 271                           OXYGEN_PLAY_DAC2_SOURCE_SHIFT,
 272                           OXYGEN_PLAY_DAC1_SOURCE_SHIFT,
 273                           OXYGEN_PLAY_DAC1_SOURCE_MASK) |
 274                shift_bits(play_routing,
 275                           OXYGEN_PLAY_DAC1_SOURCE_SHIFT,
 276                           OXYGEN_PLAY_DAC2_SOURCE_SHIFT,
 277                           OXYGEN_PLAY_DAC2_SOURCE_MASK) |
 278                shift_bits(play_routing,
 279                           OXYGEN_PLAY_DAC0_SOURCE_SHIFT,
 280                           OXYGEN_PLAY_DAC3_SOURCE_SHIFT,
 281                           OXYGEN_PLAY_DAC3_SOURCE_MASK);
 282 }
 283
 284 void dump_cs4245_registers(struct oxygen *chip,
 285                                   struct snd_info_buffer *buffer)
 286 {
 287         struct dg *data = chip->model_data;
 288         unsigned int addr;
 289
 290         snd_iprintf(buffer, "\nCS4245:");
 291         cs4245_read_spi(chip, CS4245_INT_STATUS);
 292         for (addr = 1; addr < ARRAY_SIZE(data->cs4245_shadow); addr++)
 293                 snd_iprintf(buffer, " %02x", data->cs4245_shadow[addr]);
 294         snd_iprintf(buffer, "\n");
 295 }