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