sound/pci/oxygen/oxygen.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef OXYGEN_H_INCLUDED
   3 #define OXYGEN_H_INCLUDED
   4
   5 #include <linux/mutex.h>
   6 #include <linux/spinlock.h>
   7 #include <linux/wait.h>
   8 #include <linux/workqueue.h>
   9 #include "oxygen_regs.h"
  10
  11 /* 1 << PCM_x == OXYGEN_CHANNEL_x */
  12 #define PCM_A           0
  13 #define PCM_B           1
  14 #define PCM_C           2
  15 #define PCM_SPDIF       3
  16 #define PCM_MULTICH     4
  17 #define PCM_AC97        5
  18 #define PCM_COUNT       6
  19
  20 #define OXYGEN_MCLKS(f_single, f_double, f_quad) ((MCLK_##f_single << 0) | \
  21                                                   (MCLK_##f_double << 2) | \
  22                                                   (MCLK_##f_quad   << 4))
  23
  24 #define OXYGEN_IO_SIZE  0x100
  25
  26 #define OXYGEN_EEPROM_ID        0x434d  /* "CM" */
  27
  28 /* model-specific configuration of outputs/inputs */
  29 #define PLAYBACK_0_TO_I2S       0x0001
  30      /* PLAYBACK_0_TO_AC97_0            not implemented */
  31 #define PLAYBACK_1_TO_SPDIF     0x0004
  32 #define PLAYBACK_2_TO_AC97_1    0x0008
  33 #define CAPTURE_0_FROM_I2S_1    0x0010
  34 #define CAPTURE_0_FROM_I2S_2    0x0020
  35      /* CAPTURE_0_FROM_AC97_0           not implemented */
  36 #define CAPTURE_1_FROM_SPDIF    0x0080
  37 #define CAPTURE_2_FROM_I2S_2    0x0100
  38 #define CAPTURE_2_FROM_AC97_1   0x0200
  39 #define CAPTURE_3_FROM_I2S_3    0x0400
  40 #define MIDI_OUTPUT             0x0800
  41 #define MIDI_INPUT              0x1000
  42 #define AC97_CD_INPUT           0x2000
  43 #define AC97_FMIC_SWITCH        0x4000
  44
  45 enum {
  46         CONTROL_SPDIF_PCM,
  47         CONTROL_SPDIF_INPUT_BITS,
  48         CONTROL_MIC_CAPTURE_SWITCH,
  49         CONTROL_LINE_CAPTURE_SWITCH,
  50         CONTROL_CD_CAPTURE_SWITCH,
  51         CONTROL_AUX_CAPTURE_SWITCH,
  52         CONTROL_COUNT
  53 };
  54
  55 #define OXYGEN_PCI_SUBID(sv, sd) \
  56         .vendor = PCI_VENDOR_ID_CMEDIA, \
  57         .device = 0x8788, \
  58         .subvendor = sv, \
  59         .subdevice = sd
  60
  61 #define BROKEN_EEPROM_DRIVER_DATA ((unsigned long)-1)
  62 #define OXYGEN_PCI_SUBID_BROKEN_EEPROM \
  63         OXYGEN_PCI_SUBID(PCI_VENDOR_ID_CMEDIA, 0x8788), \
  64         .driver_data = BROKEN_EEPROM_DRIVER_DATA
  65
  66 struct pci_dev;
  67 struct pci_device_id;
  68 struct snd_card;
  69 struct snd_pcm_substream;
  70 struct snd_pcm_hardware;
  71 struct snd_pcm_hw_params;
  72 struct snd_kcontrol_new;
  73 struct snd_rawmidi;
  74 struct snd_info_buffer;
  75 struct oxygen;
  76
  77 struct oxygen_model {
  78         const char *shortname;
  79         const char *longname;
  80         const char *chip;
  81         void (*init)(struct oxygen *chip);
  82         int (*control_filter)(struct snd_kcontrol_new *template);
  83         int (*mixer_init)(struct oxygen *chip);
  84         void (*cleanup)(struct oxygen *chip);
  85         void (*suspend)(struct oxygen *chip);
  86         void (*resume)(struct oxygen *chip);
  87         void (*pcm_hardware_filter)(unsigned int channel,
  88                                     struct snd_pcm_hardware *hardware);
  89         void (*set_dac_params)(struct oxygen *chip,
  90                                struct snd_pcm_hw_params *params);
  91         void (*set_adc_params)(struct oxygen *chip,
  92                                struct snd_pcm_hw_params *params);
  93         void (*update_dac_volume)(struct oxygen *chip);
  94         void (*update_dac_mute)(struct oxygen *chip);
  95         void (*update_center_lfe_mix)(struct oxygen *chip, bool mixed);
  96         unsigned int (*adjust_dac_routing)(struct oxygen *chip,
  97                                            unsigned int play_routing);
  98         void (*gpio_changed)(struct oxygen *chip);
  99         void (*uart_input)(struct oxygen *chip);
 100         void (*ac97_switch)(struct oxygen *chip,
 101                             unsigned int reg, unsigned int mute);
 102         void (*dump_registers)(struct oxygen *chip,
 103                                struct snd_info_buffer *buffer);
 104         const unsigned int *dac_tlv;
 105         size_t model_data_size;
 106         unsigned int device_config;
 107         u8 dac_channels_pcm;
 108         u8 dac_channels_mixer;
 109         u8 dac_volume_min;
 110         u8 dac_volume_max;
 111         u8 misc_flags;
 112         u8 function_flags;
 113         u8 dac_mclks;
 114         u8 adc_mclks;
 115         u16 dac_i2s_format;
 116         u16 adc_i2s_format;
 117 };
 118
 119 struct oxygen {
 120         unsigned long addr;
 121         spinlock_t reg_lock;
 122         struct mutex mutex;
 123         struct snd_card *card;
 124         struct pci_dev *pci;
 125         struct snd_rawmidi *midi;
 126         int irq;
 127         void *model_data;
 128         unsigned int interrupt_mask;
 129         u8 dac_volume[8];
 130         u8 dac_mute;
 131         u8 pcm_active;
 132         u8 pcm_running;
 133         u8 dac_routing;
 134         u8 spdif_playback_enable;
 135         u8 has_ac97_0;
 136         u8 has_ac97_1;
 137         u32 spdif_bits;
 138         u32 spdif_pcm_bits;
 139         struct snd_pcm_substream *streams[PCM_COUNT];
 140         struct snd_kcontrol *controls[CONTROL_COUNT];
 141         struct work_struct spdif_input_bits_work;
 142         struct work_struct gpio_work;
 143         wait_queue_head_t ac97_waitqueue;
 144         union {
 145                 u8 _8[OXYGEN_IO_SIZE];
 146                 __le16 _16[OXYGEN_IO_SIZE / 2];
 147                 __le32 _32[OXYGEN_IO_SIZE / 4];
 148         } saved_registers;
 149         u16 saved_ac97_registers[2][0x40];
 150         unsigned int uart_input_count;
 151         u8 uart_input[32];
 152         struct oxygen_model model;
 153 };
 154
 155 /* oxygen_lib.c */
 156
 157 int oxygen_pci_probe(struct pci_dev *pci, int index, char *id,
 158                      struct module *owner,
 159                      const struct pci_device_id *ids,
 160                      int (*get_model)(struct oxygen *chip,
 161                                       const struct pci_device_id *id
 162                                      )
 163                     );
 164 void oxygen_pci_remove(struct pci_dev *pci);
 165 #ifdef CONFIG_PM_SLEEP
 166 extern const struct dev_pm_ops oxygen_pci_pm;
 167 #endif
 168 void oxygen_pci_shutdown(struct pci_dev *pci);
 169
 170 /* oxygen_mixer.c */
 171
 172 int oxygen_mixer_init(struct oxygen *chip);
 173 void oxygen_update_dac_routing(struct oxygen *chip);
 174 void oxygen_update_spdif_source(struct oxygen *chip);
 175
 176 /* oxygen_pcm.c */
 177
 178 int oxygen_pcm_init(struct oxygen *chip);
 179
 180 /* oxygen_io.c */
 181
 182 u8 oxygen_read8(struct oxygen *chip, unsigned int reg);
 183 u16 oxygen_read16(struct oxygen *chip, unsigned int reg);
 184 u32 oxygen_read32(struct oxygen *chip, unsigned int reg);
 185 void oxygen_write8(struct oxygen *chip, unsigned int reg, u8 value);
 186 void oxygen_write16(struct oxygen *chip, unsigned int reg, u16 value);
 187 void oxygen_write32(struct oxygen *chip, unsigned int reg, u32 value);
 188 void oxygen_write8_masked(struct oxygen *chip, unsigned int reg,
 189                           u8 value, u8 mask);
 190 void oxygen_write16_masked(struct oxygen *chip, unsigned int reg,
 191                            u16 value, u16 mask);
 192 void oxygen_write32_masked(struct oxygen *chip, unsigned int reg,
 193                            u32 value, u32 mask);
 194
 195 u16 oxygen_read_ac97(struct oxygen *chip, unsigned int codec,
 196                      unsigned int index);
 197 void oxygen_write_ac97(struct oxygen *chip, unsigned int codec,
 198                        unsigned int index, u16 data);
 199 void oxygen_write_ac97_masked(struct oxygen *chip, unsigned int codec,
 200                               unsigned int index, u16 data, u16 mask);
 201
 202 int oxygen_write_spi(struct oxygen *chip, u8 control, unsigned int data);
 203 void oxygen_write_i2c(struct oxygen *chip, u8 device, u8 map, u8 data);
 204
 205 void oxygen_reset_uart(struct oxygen *chip);
 206 void oxygen_write_uart(struct oxygen *chip, u8 data);
 207
 208 u16 oxygen_read_eeprom(struct oxygen *chip, unsigned int index);
 209 void oxygen_write_eeprom(struct oxygen *chip, unsigned int index, u16 value);
 210
 211 static inline void oxygen_set_bits8(struct oxygen *chip,
 212                                     unsigned int reg, u8 value)
 213 {
 214         oxygen_write8_masked(chip, reg, value, value);
 215 }
 216
 217 static inline void oxygen_set_bits16(struct oxygen *chip,
 218                                      unsigned int reg, u16 value)
 219 {
 220         oxygen_write16_masked(chip, reg, value, value);
 221 }
 222
 223 static inline void oxygen_set_bits32(struct oxygen *chip,
 224                                      unsigned int reg, u32 value)
 225 {
 226         oxygen_write32_masked(chip, reg, value, value);
 227 }
 228
 229 static inline void oxygen_clear_bits8(struct oxygen *chip,
 230                                       unsigned int reg, u8 value)
 231 {
 232         oxygen_write8_masked(chip, reg, 0, value);
 233 }
 234
 235 static inline void oxygen_clear_bits16(struct oxygen *chip,
 236                                        unsigned int reg, u16 value)
 237 {
 238         oxygen_write16_masked(chip, reg, 0, value);
 239 }
 240
 241 static inline void oxygen_clear_bits32(struct oxygen *chip,
 242                                        unsigned int reg, u32 value)
 243 {
 244         oxygen_write32_masked(chip, reg, 0, value);
 245 }
 246
 247 static inline void oxygen_ac97_set_bits(struct oxygen *chip, unsigned int codec,
 248                                         unsigned int index, u16 value)
 249 {
 250         oxygen_write_ac97_masked(chip, codec, index, value, value);
 251 }
 252
 253 static inline void oxygen_ac97_clear_bits(struct oxygen *chip,
 254                                           unsigned int codec,
 255                                           unsigned int index, u16 value)
 256 {
 257         oxygen_write_ac97_masked(chip, codec, index, 0, value);
 258 }
 259
 260 #endif