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   1 #ifndef OXYGEN_H_INCLUDED
   2 #define OXYGEN_H_INCLUDED
   3
   4 #include <linux/mutex.h>
   5 #include <linux/spinlock.h>
   6 #include <linux/wait.h>
   7 #include <linux/workqueue.h>
   8 #include "oxygen_regs.h"
   9
  10 /* 1 << PCM_x == OXYGEN_CHANNEL_x */
  11 #define PCM_A           0
  12 #define PCM_B           1
  13 #define PCM_C           2
  14 #define PCM_SPDIF       3
  15 #define PCM_MULTICH     4
  16 #define PCM_AC97        5
  17 #define PCM_COUNT       6
  18
  19 #define OXYGEN_IO_SIZE  0x100
  20
  21 #define OXYGEN_EEPROM_ID        0x434d  /* "CM" */
  22
  23 /* model-specific configuration of outputs/inputs */
  24 #define PLAYBACK_0_TO_I2S       0x0001
  25      /* PLAYBACK_0_TO_AC97_0            not implemented */
  26 #define PLAYBACK_1_TO_SPDIF     0x0004
  27 #define PLAYBACK_2_TO_AC97_1    0x0008
  28 #define CAPTURE_0_FROM_I2S_1    0x0010
  29 #define CAPTURE_0_FROM_I2S_2    0x0020
  30      /* CAPTURE_0_FROM_AC97_0           not implemented */
  31 #define CAPTURE_1_FROM_SPDIF    0x0080
  32 #define CAPTURE_2_FROM_I2S_2    0x0100
  33 #define CAPTURE_2_FROM_AC97_1   0x0200
  34      /* CAPTURE_3_FROM_I2S_3            not implemented */
  35 #define MIDI_OUTPUT             0x0800
  36 #define MIDI_INPUT              0x1000
  37
  38 enum {
  39         CONTROL_SPDIF_PCM,
  40         CONTROL_SPDIF_INPUT_BITS,
  41         CONTROL_MIC_CAPTURE_SWITCH,
  42         CONTROL_LINE_CAPTURE_SWITCH,
  43         CONTROL_CD_CAPTURE_SWITCH,
  44         CONTROL_AUX_CAPTURE_SWITCH,
  45         CONTROL_COUNT
  46 };
  47
  48 #define OXYGEN_PCI_SUBID(sv, sd) \
  49         .vendor = PCI_VENDOR_ID_CMEDIA, \
  50         .device = 0x8788, \
  51         .subvendor = sv, \
  52         .subdevice = sd
  53
  54 #define BROKEN_EEPROM_DRIVER_DATA ((unsigned long)-1)
  55 #define OXYGEN_PCI_SUBID_BROKEN_EEPROM \
  56         OXYGEN_PCI_SUBID(PCI_VENDOR_ID_CMEDIA, 0x8788), \
  57         .driver_data = BROKEN_EEPROM_DRIVER_DATA
  58
  59 struct pci_dev;
  60 struct pci_device_id;
  61 struct snd_card;
  62 struct snd_pcm_substream;
  63 struct snd_pcm_hardware;
  64 struct snd_pcm_hw_params;
  65 struct snd_kcontrol_new;
  66 struct snd_rawmidi;
  67 struct oxygen;
  68
  69 struct oxygen_model {
  70         const char *shortname;
  71         const char *longname;
  72         const char *chip;
  73         void (*init)(struct oxygen *chip);
  74         int (*control_filter)(struct snd_kcontrol_new *template);
  75         int (*mixer_init)(struct oxygen *chip);
  76         void (*cleanup)(struct oxygen *chip);
  77         void (*suspend)(struct oxygen *chip);
  78         void (*resume)(struct oxygen *chip);
  79         void (*pcm_hardware_filter)(unsigned int channel,
  80                                     struct snd_pcm_hardware *hardware);
  81         unsigned int (*get_i2s_mclk)(struct oxygen *chip, unsigned int channel,
  82                                      struct snd_pcm_hw_params *hw_params);
  83         void (*set_dac_params)(struct oxygen *chip,
  84                                struct snd_pcm_hw_params *params);
  85         void (*set_adc_params)(struct oxygen *chip,
  86                                struct snd_pcm_hw_params *params);
  87         void (*update_dac_volume)(struct oxygen *chip);
  88         void (*update_dac_mute)(struct oxygen *chip);
  89         void (*update_center_lfe_mix)(struct oxygen *chip, bool mixed);
  90         void (*gpio_changed)(struct oxygen *chip);
  91         void (*uart_input)(struct oxygen *chip);
  92         void (*ac97_switch)(struct oxygen *chip,
  93                             unsigned int reg, unsigned int mute);
  94         const unsigned int *dac_tlv;
  95         unsigned long private_data;
  96         size_t model_data_size;
  97         unsigned int device_config;
  98         u8 dac_channels;
  99         u8 dac_volume_min;
 100         u8 dac_volume_max;
 101         u8 misc_flags;
 102         u8 function_flags;
 103         u16 dac_i2s_format;
 104         u16 adc_i2s_format;
 105 };
 106
 107 struct oxygen {
 108         unsigned long addr;
 109         spinlock_t reg_lock;
 110         struct mutex mutex;
 111         struct snd_card *card;
 112         struct pci_dev *pci;
 113         struct snd_rawmidi *midi;
 114         int irq;
 115         void *model_data;
 116         unsigned int interrupt_mask;
 117         u8 dac_volume[8];
 118         u8 dac_mute;
 119         u8 pcm_active;
 120         u8 pcm_running;
 121         u8 dac_routing;
 122         u8 spdif_playback_enable;
 123         u8 revision;
 124         u8 has_ac97_0;
 125         u8 has_ac97_1;
 126         u32 spdif_bits;
 127         u32 spdif_pcm_bits;
 128         struct snd_pcm_substream *streams[PCM_COUNT];
 129         struct snd_kcontrol *controls[CONTROL_COUNT];
 130         struct work_struct spdif_input_bits_work;
 131         struct work_struct gpio_work;
 132         wait_queue_head_t ac97_waitqueue;
 133         union {
 134                 u8 _8[OXYGEN_IO_SIZE];
 135                 __le16 _16[OXYGEN_IO_SIZE / 2];
 136                 __le32 _32[OXYGEN_IO_SIZE / 4];
 137         } saved_registers;
 138         u16 saved_ac97_registers[2][0x40];
 139         unsigned int uart_input_count;
 140         u8 uart_input[32];
 141         struct oxygen_model model;
 142 };
 143
 144 /* oxygen_lib.c */
 145
 146 int oxygen_pci_probe(struct pci_dev *pci, int index, char *id,
 147                      struct module *owner,
 148                      const struct pci_device_id *ids,
 149                      int (*get_model)(struct oxygen *chip,
 150                                       const struct pci_device_id *id
 151                                      )
 152                     );
 153 void oxygen_pci_remove(struct pci_dev *pci);
 154 #ifdef CONFIG_PM
 155 int oxygen_pci_suspend(struct pci_dev *pci, pm_message_t state);
 156 int oxygen_pci_resume(struct pci_dev *pci);
 157 #endif
 158
 159 /* oxygen_mixer.c */
 160
 161 int oxygen_mixer_init(struct oxygen *chip);
 162 void oxygen_update_dac_routing(struct oxygen *chip);
 163 void oxygen_update_spdif_source(struct oxygen *chip);
 164
 165 /* oxygen_pcm.c */
 166
 167 int oxygen_pcm_init(struct oxygen *chip);
 168 unsigned int oxygen_default_i2s_mclk(struct oxygen *chip, unsigned int channel,
 169                                      struct snd_pcm_hw_params *hw_params);
 170
 171 /* oxygen_io.c */
 172
 173 u8 oxygen_read8(struct oxygen *chip, unsigned int reg);
 174 u16 oxygen_read16(struct oxygen *chip, unsigned int reg);
 175 u32 oxygen_read32(struct oxygen *chip, unsigned int reg);
 176 void oxygen_write8(struct oxygen *chip, unsigned int reg, u8 value);
 177 void oxygen_write16(struct oxygen *chip, unsigned int reg, u16 value);
 178 void oxygen_write32(struct oxygen *chip, unsigned int reg, u32 value);
 179 void oxygen_write8_masked(struct oxygen *chip, unsigned int reg,
 180                           u8 value, u8 mask);
 181 void oxygen_write16_masked(struct oxygen *chip, unsigned int reg,
 182                            u16 value, u16 mask);
 183 void oxygen_write32_masked(struct oxygen *chip, unsigned int reg,
 184                            u32 value, u32 mask);
 185
 186 u16 oxygen_read_ac97(struct oxygen *chip, unsigned int codec,
 187                      unsigned int index);
 188 void oxygen_write_ac97(struct oxygen *chip, unsigned int codec,
 189                        unsigned int index, u16 data);
 190 void oxygen_write_ac97_masked(struct oxygen *chip, unsigned int codec,
 191                               unsigned int index, u16 data, u16 mask);
 192
 193 void oxygen_write_spi(struct oxygen *chip, u8 control, unsigned int data);
 194 void oxygen_write_i2c(struct oxygen *chip, u8 device, u8 map, u8 data);
 195
 196 void oxygen_reset_uart(struct oxygen *chip);
 197 void oxygen_write_uart(struct oxygen *chip, u8 data);
 198
 199 u16 oxygen_read_eeprom(struct oxygen *chip, unsigned int index);
 200 void oxygen_write_eeprom(struct oxygen *chip, unsigned int index, u16 value);
 201
 202 static inline void oxygen_set_bits8(struct oxygen *chip,
 203                                     unsigned int reg, u8 value)
 204 {
 205         oxygen_write8_masked(chip, reg, value, value);
 206 }
 207
 208 static inline void oxygen_set_bits16(struct oxygen *chip,
 209                                      unsigned int reg, u16 value)
 210 {
 211         oxygen_write16_masked(chip, reg, value, value);
 212 }
 213
 214 static inline void oxygen_set_bits32(struct oxygen *chip,
 215                                      unsigned int reg, u32 value)
 216 {
 217         oxygen_write32_masked(chip, reg, value, value);
 218 }
 219
 220 static inline void oxygen_clear_bits8(struct oxygen *chip,
 221                                       unsigned int reg, u8 value)
 222 {
 223         oxygen_write8_masked(chip, reg, 0, value);
 224 }
 225
 226 static inline void oxygen_clear_bits16(struct oxygen *chip,
 227                                        unsigned int reg, u16 value)
 228 {
 229         oxygen_write16_masked(chip, reg, 0, value);
 230 }
 231
 232 static inline void oxygen_clear_bits32(struct oxygen *chip,
 233                                        unsigned int reg, u32 value)
 234 {
 235         oxygen_write32_masked(chip, reg, 0, value);
 236 }
 237
 238 static inline void oxygen_ac97_set_bits(struct oxygen *chip, unsigned int codec,
 239                                         unsigned int index, u16 value)
 240 {
 241         oxygen_write_ac97_masked(chip, codec, index, value, value);
 242 }
 243
 244 static inline void oxygen_ac97_clear_bits(struct oxygen *chip,
 245                                           unsigned int codec,
 246                                           unsigned int index, u16 value)
 247 {
 248         oxygen_write_ac97_masked(chip, codec, index, 0, value);
 249 }
 250
 251 #endif