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 void (*set_dac_params)(struct oxygen *chip, 82 struct snd_pcm_hw_params *params); 83 void (*set_adc_params)(struct oxygen *chip, 84 struct snd_pcm_hw_params *params); 85 void (*update_dac_volume)(struct oxygen *chip); 86 void (*update_dac_mute)(struct oxygen *chip); 87 void (*gpio_changed)(struct oxygen *chip); 88 void (*uart_input)(struct oxygen *chip); 89 void (*ac97_switch)(struct oxygen *chip, 90 unsigned int reg, unsigned int mute); 91 const unsigned int *dac_tlv; 92 unsigned long private_data; 93 size_t model_data_size; 94 unsigned int device_config; 95 u8 dac_channels; 96 u8 dac_volume_min; 97 u8 dac_volume_max; 98 u8 misc_flags; 99 u8 function_flags; 100 u16 dac_i2s_format; 101 u16 adc_i2s_format; 102 }; 103 104 struct oxygen { 105 unsigned long addr; 106 spinlock_t reg_lock; 107 struct mutex mutex; 108 struct snd_card *card; 109 struct pci_dev *pci; 110 struct snd_rawmidi *midi; 111 int irq; 112 void *model_data; 113 unsigned int interrupt_mask; 114 u8 dac_volume[8]; 115 u8 dac_mute; 116 u8 pcm_active; 117 u8 pcm_running; 118 u8 dac_routing; 119 u8 spdif_playback_enable; 120 u8 revision; 121 u8 has_ac97_0; 122 u8 has_ac97_1; 123 u32 spdif_bits; 124 u32 spdif_pcm_bits; 125 struct snd_pcm_substream *streams[PCM_COUNT]; 126 struct snd_kcontrol *controls[CONTROL_COUNT]; 127 struct work_struct spdif_input_bits_work; 128 struct work_struct gpio_work; 129 wait_queue_head_t ac97_waitqueue; 130 union { 131 u8 _8[OXYGEN_IO_SIZE]; 132 __le16 _16[OXYGEN_IO_SIZE / 2]; 133 __le32 _32[OXYGEN_IO_SIZE / 4]; 134 } saved_registers; 135 u16 saved_ac97_registers[2][0x40]; 136 unsigned int uart_input_count; 137 u8 uart_input[32]; 138 struct oxygen_model model; 139 }; 140 141 /* oxygen_lib.c */ 142 143 int oxygen_pci_probe(struct pci_dev *pci, int index, char *id, 144 struct module *owner, 145 const struct pci_device_id *ids, 146 int (*get_model)(struct oxygen *chip, 147 const struct pci_device_id *id 148 ) 149 ); 150 void oxygen_pci_remove(struct pci_dev *pci); 151 #ifdef CONFIG_PM 152 int oxygen_pci_suspend(struct pci_dev *pci, pm_message_t state); 153 int oxygen_pci_resume(struct pci_dev *pci); 154 #endif 155 156 /* oxygen_mixer.c */ 157 158 int oxygen_mixer_init(struct oxygen *chip); 159 void oxygen_update_dac_routing(struct oxygen *chip); 160 void oxygen_update_spdif_source(struct oxygen *chip); 161 162 /* oxygen_pcm.c */ 163 164 int oxygen_pcm_init(struct oxygen *chip); 165 166 /* oxygen_io.c */ 167 168 u8 oxygen_read8(struct oxygen *chip, unsigned int reg); 169 u16 oxygen_read16(struct oxygen *chip, unsigned int reg); 170 u32 oxygen_read32(struct oxygen *chip, unsigned int reg); 171 void oxygen_write8(struct oxygen *chip, unsigned int reg, u8 value); 172 void oxygen_write16(struct oxygen *chip, unsigned int reg, u16 value); 173 void oxygen_write32(struct oxygen *chip, unsigned int reg, u32 value); 174 void oxygen_write8_masked(struct oxygen *chip, unsigned int reg, 175 u8 value, u8 mask); 176 void oxygen_write16_masked(struct oxygen *chip, unsigned int reg, 177 u16 value, u16 mask); 178 void oxygen_write32_masked(struct oxygen *chip, unsigned int reg, 179 u32 value, u32 mask); 180 181 u16 oxygen_read_ac97(struct oxygen *chip, unsigned int codec, 182 unsigned int index); 183 void oxygen_write_ac97(struct oxygen *chip, unsigned int codec, 184 unsigned int index, u16 data); 185 void oxygen_write_ac97_masked(struct oxygen *chip, unsigned int codec, 186 unsigned int index, u16 data, u16 mask); 187 188 void oxygen_write_spi(struct oxygen *chip, u8 control, unsigned int data); 189 void oxygen_write_i2c(struct oxygen *chip, u8 device, u8 map, u8 data); 190 191 void oxygen_reset_uart(struct oxygen *chip); 192 void oxygen_write_uart(struct oxygen *chip, u8 data); 193 194 u16 oxygen_read_eeprom(struct oxygen *chip, unsigned int index); 195 void oxygen_write_eeprom(struct oxygen *chip, unsigned int index, u16 value); 196 197 static inline void oxygen_set_bits8(struct oxygen *chip, 198 unsigned int reg, u8 value) 199 { 200 oxygen_write8_masked(chip, reg, value, value); 201 } 202 203 static inline void oxygen_set_bits16(struct oxygen *chip, 204 unsigned int reg, u16 value) 205 { 206 oxygen_write16_masked(chip, reg, value, value); 207 } 208 209 static inline void oxygen_set_bits32(struct oxygen *chip, 210 unsigned int reg, u32 value) 211 { 212 oxygen_write32_masked(chip, reg, value, value); 213 } 214 215 static inline void oxygen_clear_bits8(struct oxygen *chip, 216 unsigned int reg, u8 value) 217 { 218 oxygen_write8_masked(chip, reg, 0, value); 219 } 220 221 static inline void oxygen_clear_bits16(struct oxygen *chip, 222 unsigned int reg, u16 value) 223 { 224 oxygen_write16_masked(chip, reg, 0, value); 225 } 226 227 static inline void oxygen_clear_bits32(struct oxygen *chip, 228 unsigned int reg, u32 value) 229 { 230 oxygen_write32_masked(chip, reg, 0, value); 231 } 232 233 static inline void oxygen_ac97_set_bits(struct oxygen *chip, unsigned int codec, 234 unsigned int index, u16 value) 235 { 236 oxygen_write_ac97_masked(chip, codec, index, value, value); 237 } 238 239 static inline void oxygen_ac97_clear_bits(struct oxygen *chip, 240 unsigned int codec, 241 unsigned int index, u16 value) 242 { 243 oxygen_write_ac97_masked(chip, codec, index, 0, value); 244 } 245 246 #endif 247