LXR linux/sound/pci/ice1712/ice1712.h

   1#ifndef __SOUND_ICE1712_H
   2#define __SOUND_ICE1712_H
   3
   4/*
   5 *   ALSA driver for ICEnsemble ICE1712 (Envy24)
   6 *
   7 *      Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz>
   8 *
   9 *   This program is free software; you can redistribute it and/or modify
  10 *   it under the terms of the GNU General Public License as published by
  11 *   the Free Software Foundation; either version 2 of the License, or
  12 *   (at your option) any later version.
  13 *
  14 *   This program is distributed in the hope that it will be useful,
  15 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 *   GNU General Public License for more details.
  18 *
  19 *   You should have received a copy of the GNU General Public License
  20 *   along with this program; if not, write to the Free Software
  21 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  22 *
  23 */
  24
  25#include <linux/io.h>
  26#include <sound/control.h>
  27#include <sound/ac97_codec.h>
  28#include <sound/rawmidi.h>
  29#include <sound/i2c.h>
  30#include <sound/ak4xxx-adda.h>
  31#include <sound/ak4114.h>
  32#include <sound/pt2258.h>
  33#include <sound/pcm.h>
  34#include <sound/mpu401.h>
  35
  36
  37/*
  38 *  Direct registers
  39 */
  40
  41#define ICEREG(ice, x) ((ice)->port + ICE1712_REG_##x)
  42
  43#define ICE1712_REG_CONTROL             0x00    /* byte */
  44#define   ICE1712_RESET                 0x80    /* reset whole chip */
  45#define   ICE1712_SERR_LEVEL            0x04    /* SERR# level otherwise edge */
  46#define   ICE1712_NATIVE                0x01    /* native mode otherwise SB */
  47#define ICE1712_REG_IRQMASK             0x01    /* byte */
  48#define   ICE1712_IRQ_MPU1              0x80
  49#define   ICE1712_IRQ_TIMER             0x40
  50#define   ICE1712_IRQ_MPU2              0x20
  51#define   ICE1712_IRQ_PROPCM            0x10
  52#define   ICE1712_IRQ_FM                0x08    /* FM/MIDI - legacy */
  53#define   ICE1712_IRQ_PBKDS             0x04    /* playback DS channels */
  54#define   ICE1712_IRQ_CONCAP            0x02    /* consumer capture */
  55#define   ICE1712_IRQ_CONPBK            0x01    /* consumer playback */
  56#define ICE1712_REG_IRQSTAT             0x02    /* byte */
  57/* look to ICE1712_IRQ_* */
  58#define ICE1712_REG_INDEX               0x03    /* byte - indirect CCIxx regs */
  59#define ICE1712_REG_DATA                0x04    /* byte - indirect CCIxx regs */
  60#define ICE1712_REG_NMI_STAT1           0x05    /* byte */
  61#define ICE1712_REG_NMI_DATA            0x06    /* byte */
  62#define ICE1712_REG_NMI_INDEX           0x07    /* byte */
  63#define ICE1712_REG_AC97_INDEX          0x08    /* byte */
  64#define ICE1712_REG_AC97_CMD            0x09    /* byte */
  65#define   ICE1712_AC97_COLD             0x80    /* cold reset */
  66#define   ICE1712_AC97_WARM             0x40    /* warm reset */
  67#define   ICE1712_AC97_WRITE            0x20    /* W: write, R: write in progress */
  68#define   ICE1712_AC97_READ             0x10    /* W: read, R: read in progress */
  69#define   ICE1712_AC97_READY            0x08    /* codec ready status bit */
  70#define   ICE1712_AC97_PBK_VSR          0x02    /* playback VSR */
  71#define   ICE1712_AC97_CAP_VSR          0x01    /* capture VSR */
  72#define ICE1712_REG_AC97_DATA           0x0a    /* word (little endian) */
  73#define ICE1712_REG_MPU1_CTRL           0x0c    /* byte */
  74#define ICE1712_REG_MPU1_DATA           0x0d    /* byte */
  75#define ICE1712_REG_I2C_DEV_ADDR        0x10    /* byte */
  76#define   ICE1712_I2C_WRITE             0x01    /* write direction */
  77#define ICE1712_REG_I2C_BYTE_ADDR       0x11    /* byte */
  78#define ICE1712_REG_I2C_DATA            0x12    /* byte */
  79#define ICE1712_REG_I2C_CTRL            0x13    /* byte */
  80#define   ICE1712_I2C_EEPROM            0x80    /* EEPROM exists */
  81#define   ICE1712_I2C_BUSY              0x01    /* busy bit */
  82#define ICE1712_REG_CONCAP_ADDR         0x14    /* dword - consumer capture */
  83#define ICE1712_REG_CONCAP_COUNT        0x18    /* word - current/base count */
  84#define ICE1712_REG_SERR_SHADOW         0x1b    /* byte */
  85#define ICE1712_REG_MPU2_CTRL           0x1c    /* byte */
  86#define ICE1712_REG_MPU2_DATA           0x1d    /* byte */
  87#define ICE1712_REG_TIMER               0x1e    /* word */
  88
  89/*
  90 *  Indirect registers
  91 */
  92
  93#define ICE1712_IREG_PBK_COUNT_LO       0x00
  94#define ICE1712_IREG_PBK_COUNT_HI       0x01
  95#define ICE1712_IREG_PBK_CTRL           0x02
  96#define ICE1712_IREG_PBK_LEFT           0x03    /* left volume */
  97#define ICE1712_IREG_PBK_RIGHT          0x04    /* right volume */
  98#define ICE1712_IREG_PBK_SOFT           0x05    /* soft volume */
  99#define ICE1712_IREG_PBK_RATE_LO        0x06
 100#define ICE1712_IREG_PBK_RATE_MID       0x07
 101#define ICE1712_IREG_PBK_RATE_HI        0x08
 102#define ICE1712_IREG_CAP_COUNT_LO       0x10
 103#define ICE1712_IREG_CAP_COUNT_HI       0x11
 104#define ICE1712_IREG_CAP_CTRL           0x12
 105#define ICE1712_IREG_GPIO_DATA          0x20
 106#define ICE1712_IREG_GPIO_WRITE_MASK    0x21
 107#define ICE1712_IREG_GPIO_DIRECTION     0x22
 108#define ICE1712_IREG_CONSUMER_POWERDOWN 0x30
 109#define ICE1712_IREG_PRO_POWERDOWN      0x31
 110
 111/*
 112 *  Consumer section direct DMA registers
 113 */
 114
 115#define ICEDS(ice, x) ((ice)->dmapath_port + ICE1712_DS_##x)
 116
 117#define ICE1712_DS_INTMASK              0x00    /* word - interrupt mask */
 118#define ICE1712_DS_INTSTAT              0x02    /* word - interrupt status */
 119#define ICE1712_DS_DATA                 0x04    /* dword - channel data */
 120#define ICE1712_DS_INDEX                0x08    /* dword - channel index */
 121
 122/*
 123 *  Consumer section channel registers
 124 */
 125
 126#define ICE1712_DSC_ADDR0               0x00    /* dword - base address 0 */
 127#define ICE1712_DSC_COUNT0              0x01    /* word - count 0 */
 128#define ICE1712_DSC_ADDR1               0x02    /* dword - base address 1 */
 129#define ICE1712_DSC_COUNT1              0x03    /* word - count 1 */
 130#define ICE1712_DSC_CONTROL             0x04    /* byte - control & status */
 131#define   ICE1712_BUFFER1               0x80    /* buffer1 is active */
 132#define   ICE1712_BUFFER1_AUTO          0x40    /* buffer1 auto init */
 133#define   ICE1712_BUFFER0_AUTO          0x20    /* buffer0 auto init */
 134#define   ICE1712_FLUSH                 0x10    /* flush FIFO */
 135#define   ICE1712_STEREO                0x08    /* stereo */
 136#define   ICE1712_16BIT                 0x04    /* 16-bit data */
 137#define   ICE1712_PAUSE                 0x02    /* pause */
 138#define   ICE1712_START                 0x01    /* start */
 139#define ICE1712_DSC_RATE                0x05    /* dword - rate */
 140#define ICE1712_DSC_VOLUME              0x06    /* word - volume control */
 141
 142/*
 143 *  Professional multi-track direct control registers
 144 */
 145
 146#define ICEMT(ice, x) ((ice)->profi_port + ICE1712_MT_##x)
 147
 148#define ICE1712_MT_IRQ                  0x00    /* byte - interrupt mask */
 149#define   ICE1712_MULTI_CAPTURE         0x80    /* capture IRQ */
 150#define   ICE1712_MULTI_PLAYBACK        0x40    /* playback IRQ */
 151#define   ICE1712_MULTI_CAPSTATUS       0x02    /* capture IRQ status */
 152#define   ICE1712_MULTI_PBKSTATUS       0x01    /* playback IRQ status */
 153#define ICE1712_MT_RATE                 0x01    /* byte - sampling rate select */
 154#define   ICE1712_SPDIF_MASTER          0x10    /* S/PDIF input is master clock */
 155#define ICE1712_MT_I2S_FORMAT           0x02    /* byte - I2S data format */
 156#define ICE1712_MT_AC97_INDEX           0x04    /* byte - AC'97 index */
 157#define ICE1712_MT_AC97_CMD             0x05    /* byte - AC'97 command & status */
 158/* look to ICE1712_AC97_* */
 159#define ICE1712_MT_AC97_DATA            0x06    /* word - AC'97 data */
 160#define ICE1712_MT_PLAYBACK_ADDR        0x10    /* dword - playback address */
 161#define ICE1712_MT_PLAYBACK_SIZE        0x14    /* word - playback size */
 162#define ICE1712_MT_PLAYBACK_COUNT       0x16    /* word - playback count */
 163#define ICE1712_MT_PLAYBACK_CONTROL     0x18    /* byte - control */
 164#define   ICE1712_CAPTURE_START_SHADOW  0x04    /* capture start */
 165#define   ICE1712_PLAYBACK_PAUSE        0x02    /* playback pause */
 166#define   ICE1712_PLAYBACK_START        0x01    /* playback start */
 167#define ICE1712_MT_CAPTURE_ADDR         0x20    /* dword - capture address */
 168#define ICE1712_MT_CAPTURE_SIZE         0x24    /* word - capture size */
 169#define ICE1712_MT_CAPTURE_COUNT        0x26    /* word - capture count */
 170#define ICE1712_MT_CAPTURE_CONTROL      0x28    /* byte - control */
 171#define   ICE1712_CAPTURE_START         0x01    /* capture start */
 172#define ICE1712_MT_ROUTE_PSDOUT03       0x30    /* word */
 173#define ICE1712_MT_ROUTE_SPDOUT         0x32    /* word */
 174#define ICE1712_MT_ROUTE_CAPTURE        0x34    /* dword */
 175#define ICE1712_MT_MONITOR_VOLUME       0x38    /* word */
 176#define ICE1712_MT_MONITOR_INDEX        0x3a    /* byte */
 177#define ICE1712_MT_MONITOR_RATE         0x3b    /* byte */
 178#define ICE1712_MT_MONITOR_ROUTECTRL    0x3c    /* byte */
 179#define   ICE1712_ROUTE_AC97            0x01    /* route digital mixer output to AC'97 */
 180#define ICE1712_MT_MONITOR_PEAKINDEX    0x3e    /* byte */
 181#define ICE1712_MT_MONITOR_PEAKDATA     0x3f    /* byte */
 182
 183/*
 184 *  Codec configuration bits
 185 */
 186
 187/* PCI[60] System Configuration */
 188#define ICE1712_CFG_CLOCK       0xc0
 189#define   ICE1712_CFG_CLOCK512  0x00    /* 22.5692Mhz, 44.1kHz*512 */
 190#define   ICE1712_CFG_CLOCK384  0x40    /* 16.9344Mhz, 44.1kHz*384 */
 191#define   ICE1712_CFG_EXT       0x80    /* external clock */
 192#define ICE1712_CFG_2xMPU401    0x20    /* two MPU401 UARTs */
 193#define ICE1712_CFG_NO_CON_AC97 0x10    /* consumer AC'97 codec is not present */
 194#define ICE1712_CFG_ADC_MASK    0x0c    /* one, two, three, four stereo ADCs */
 195#define ICE1712_CFG_DAC_MASK    0x03    /* one, two, three, four stereo DACs */
 196/* PCI[61] AC-Link Configuration */
 197#define ICE1712_CFG_PRO_I2S     0x80    /* multitrack converter: I2S or AC'97 */
 198#define ICE1712_CFG_AC97_PACKED 0x01    /* split or packed mode - AC'97 */
 199/* PCI[62] I2S Features */
 200#define ICE1712_CFG_I2S_VOLUME  0x80    /* volume/mute capability */
 201#define ICE1712_CFG_I2S_96KHZ   0x40    /* supports 96kHz sampling */
 202#define ICE1712_CFG_I2S_RESMASK 0x30    /* resolution mask, 16,18,20,24-bit */
 203#define ICE1712_CFG_I2S_OTHER   0x0f    /* other I2S IDs */
 204/* PCI[63] S/PDIF Configuration */
 205#define ICE1712_CFG_I2S_CHIPID  0xfc    /* I2S chip ID */
 206#define ICE1712_CFG_SPDIF_IN    0x02    /* S/PDIF input is present */
 207#define ICE1712_CFG_SPDIF_OUT   0x01    /* S/PDIF output is present */
 208
 209/*
 210 * DMA mode values
 211 * identical with DMA_XXX on i386 architecture.
 212 */
 213#define ICE1712_DMA_MODE_WRITE          0x48
 214#define ICE1712_DMA_AUTOINIT            0x10
 215
 216
 217/*
 218 *
 219 */
 220
 221struct snd_ice1712;
 222
 223struct snd_ice1712_eeprom {
 224        unsigned int subvendor; /* PCI[2c-2f] */
 225        unsigned char size;     /* size of EEPROM image in bytes */
 226        unsigned char version;  /* must be 1 (or 2 for vt1724) */
 227        unsigned char data[32];
 228        unsigned int gpiomask;
 229        unsigned int gpiostate;
 230        unsigned int gpiodir;
 231};
 232
 233enum {
 234        ICE_EEP1_CODEC = 0,     /* 06 */
 235        ICE_EEP1_ACLINK,        /* 07 */
 236        ICE_EEP1_I2SID,         /* 08 */
 237        ICE_EEP1_SPDIF,         /* 09 */
 238        ICE_EEP1_GPIO_MASK,     /* 0a */
 239        ICE_EEP1_GPIO_STATE,    /* 0b */
 240        ICE_EEP1_GPIO_DIR,      /* 0c */
 241        ICE_EEP1_AC97_MAIN_LO,  /* 0d */
 242        ICE_EEP1_AC97_MAIN_HI,  /* 0e */
 243        ICE_EEP1_AC97_PCM_LO,   /* 0f */
 244        ICE_EEP1_AC97_PCM_HI,   /* 10 */
 245        ICE_EEP1_AC97_REC_LO,   /* 11 */
 246        ICE_EEP1_AC97_REC_HI,   /* 12 */
 247        ICE_EEP1_AC97_RECSRC,   /* 13 */
 248        ICE_EEP1_DAC_ID,        /* 14 */
 249        ICE_EEP1_DAC_ID1,
 250        ICE_EEP1_DAC_ID2,
 251        ICE_EEP1_DAC_ID3,
 252        ICE_EEP1_ADC_ID,        /* 18 */
 253        ICE_EEP1_ADC_ID1,
 254        ICE_EEP1_ADC_ID2,
 255        ICE_EEP1_ADC_ID3
 256};
 257
 258#define ice_has_con_ac97(ice)   (!((ice)->eeprom.data[ICE_EEP1_CODEC] & ICE1712_CFG_NO_CON_AC97))
 259
 260
 261struct snd_ak4xxx_private {
 262        unsigned int cif:1;             /* CIF mode */
 263        unsigned char caddr;            /* C0 and C1 bits */
 264        unsigned int data_mask;         /* DATA gpio bit */
 265        unsigned int clk_mask;          /* CLK gpio bit */
 266        unsigned int cs_mask;           /* bit mask for select/deselect address */
 267        unsigned int cs_addr;           /* bits to select address */
 268        unsigned int cs_none;           /* bits to deselect address */
 269        unsigned int add_flags;         /* additional bits at init */
 270        unsigned int mask_flags;        /* total mask bits */
 271        struct snd_akm4xxx_ops {
 272                void (*set_rate_val)(struct snd_akm4xxx *ak, unsigned int rate);
 273        } ops;
 274};
 275
 276struct snd_ice1712_spdif {
 277        unsigned char cs8403_bits;
 278        unsigned char cs8403_stream_bits;
 279        struct snd_kcontrol *stream_ctl;
 280
 281        struct snd_ice1712_spdif_ops {
 282                void (*open)(struct snd_ice1712 *, struct snd_pcm_substream *);
 283                void (*setup_rate)(struct snd_ice1712 *, int rate);
 284                void (*close)(struct snd_ice1712 *, struct snd_pcm_substream *);
 285                void (*default_get)(struct snd_ice1712 *, struct snd_ctl_elem_value *ucontrol);
 286                int (*default_put)(struct snd_ice1712 *, struct snd_ctl_elem_value *ucontrol);
 287                void (*stream_get)(struct snd_ice1712 *, struct snd_ctl_elem_value *ucontrol);
 288                int (*stream_put)(struct snd_ice1712 *, struct snd_ctl_elem_value *ucontrol);
 289        } ops;
 290};
 291
 292struct snd_ice1712_card_info;
 293
 294struct snd_ice1712 {
 295        unsigned long conp_dma_size;
 296        unsigned long conc_dma_size;
 297        unsigned long prop_dma_size;
 298        unsigned long proc_dma_size;
 299        int irq;
 300
 301        unsigned long port;
 302        unsigned long ddma_port;
 303        unsigned long dmapath_port;
 304        unsigned long profi_port;
 305
 306        struct pci_dev *pci;
 307        struct snd_card *card;
 308        struct snd_pcm *pcm;
 309        struct snd_pcm *pcm_ds;
 310        struct snd_pcm *pcm_pro;
 311        struct snd_pcm_substream *playback_con_substream;
 312        struct snd_pcm_substream *playback_con_substream_ds[6];
 313        struct snd_pcm_substream *capture_con_substream;
 314        struct snd_pcm_substream *playback_pro_substream;
 315        struct snd_pcm_substream *capture_pro_substream;
 316        unsigned int playback_pro_size;
 317        unsigned int capture_pro_size;
 318        unsigned int playback_con_virt_addr[6];
 319        unsigned int playback_con_active_buf[6];
 320        unsigned int capture_con_virt_addr;
 321        unsigned int ac97_ext_id;
 322        struct snd_ac97 *ac97;
 323        struct snd_rawmidi *rmidi[2];
 324
 325        spinlock_t reg_lock;
 326        struct snd_info_entry *proc_entry;
 327
 328        struct snd_ice1712_eeprom eeprom;
 329        struct snd_ice1712_card_info *card_info;
 330
 331        unsigned int pro_volumes[20];
 332        unsigned int omni:1;            /* Delta Omni I/O */
 333        unsigned int dxr_enable:1;      /* Terratec DXR enable for DMX6FIRE */
 334        unsigned int vt1724:1;
 335        unsigned int vt1720:1;
 336        unsigned int has_spdif:1;       /* VT1720/4 - has SPDIF I/O */
 337        unsigned int force_pdma4:1;     /* VT1720/4 - PDMA4 as non-spdif */
 338        unsigned int force_rdma1:1;     /* VT1720/4 - RDMA1 as non-spdif */
 339        unsigned int midi_output:1;     /* VT1720/4: MIDI output triggered */
 340        unsigned int midi_input:1;      /* VT1720/4: MIDI input triggered */
 341        unsigned int own_routing:1;     /* VT1720/4: use own routing ctls */
 342        unsigned int num_total_dacs;    /* total DACs */
 343        unsigned int num_total_adcs;    /* total ADCs */
 344        unsigned int cur_rate;          /* current rate */
 345
 346        struct mutex open_mutex;
 347        struct snd_pcm_substream *pcm_reserved[4];
 348        struct snd_pcm_hw_constraint_list *hw_rates; /* card-specific rate constraints */
 349
 350        unsigned int akm_codecs;
 351        struct snd_akm4xxx *akm;
 352        struct snd_ice1712_spdif spdif;
 353
 354        struct mutex i2c_mutex; /* I2C mutex for ICE1724 registers */
 355        struct snd_i2c_bus *i2c;                /* I2C bus */
 356        struct snd_i2c_device *cs8427;  /* CS8427 I2C device */
 357        unsigned int cs8427_timeout;    /* CS8427 reset timeout in HZ/100 */
 358
 359        struct ice1712_gpio {
 360                unsigned int direction;         /* current direction bits */
 361                unsigned int write_mask;        /* current mask bits */
 362                unsigned int saved[2];          /* for ewx_i2c */
 363                /* operators */
 364                void (*set_mask)(struct snd_ice1712 *ice, unsigned int data);
 365                unsigned int (*get_mask)(struct snd_ice1712 *ice);
 366                void (*set_dir)(struct snd_ice1712 *ice, unsigned int data);
 367                unsigned int (*get_dir)(struct snd_ice1712 *ice);
 368                void (*set_data)(struct snd_ice1712 *ice, unsigned int data);
 369                unsigned int (*get_data)(struct snd_ice1712 *ice);
 370                /* misc operators - move to another place? */
 371                void (*set_pro_rate)(struct snd_ice1712 *ice, unsigned int rate);
 372                void (*i2s_mclk_changed)(struct snd_ice1712 *ice);
 373        } gpio;
 374        struct mutex gpio_mutex;
 375
 376        /* other board-specific data */
 377        void *spec;
 378
 379        /* VT172x specific */
 380        int pro_rate_default;
 381        int (*is_spdif_master)(struct snd_ice1712 *ice);
 382        unsigned int (*get_rate)(struct snd_ice1712 *ice);
 383        void (*set_rate)(struct snd_ice1712 *ice, unsigned int rate);
 384        unsigned char (*set_mclk)(struct snd_ice1712 *ice, unsigned int rate);
 385        int (*set_spdif_clock)(struct snd_ice1712 *ice, int type);
 386        int (*get_spdif_master_type)(struct snd_ice1712 *ice);
 387        const char * const *ext_clock_names;
 388        int ext_clock_count;
 389        void (*pro_open)(struct snd_ice1712 *, struct snd_pcm_substream *);
 390#ifdef CONFIG_PM_SLEEP
 391        int (*pm_suspend)(struct snd_ice1712 *);
 392        int (*pm_resume)(struct snd_ice1712 *);
 393        unsigned int pm_suspend_enabled:1;
 394        unsigned int pm_saved_is_spdif_master:1;
 395        unsigned int pm_saved_spdif_ctrl;
 396        unsigned char pm_saved_spdif_cfg;
 397        unsigned int pm_saved_route;
 398#endif
 399};
 400
 401
 402/*
 403 * gpio access functions
 404 */
 405static inline void snd_ice1712_gpio_set_dir(struct snd_ice1712 *ice, unsigned int bits)
 406{
 407        ice->gpio.set_dir(ice, bits);
 408}
 409
 410static inline unsigned int snd_ice1712_gpio_get_dir(struct snd_ice1712 *ice)
 411{
 412        return ice->gpio.get_dir(ice);
 413}
 414
 415static inline void snd_ice1712_gpio_set_mask(struct snd_ice1712 *ice, unsigned int bits)
 416{
 417        ice->gpio.set_mask(ice, bits);
 418}
 419
 420static inline void snd_ice1712_gpio_write(struct snd_ice1712 *ice, unsigned int val)
 421{
 422        ice->gpio.set_data(ice, val);
 423}
 424
 425static inline unsigned int snd_ice1712_gpio_read(struct snd_ice1712 *ice)
 426{
 427        return ice->gpio.get_data(ice);
 428}
 429
 430/*
 431 * save and restore gpio status
 432 * The access to gpio will be protected by mutex, so don't forget to
 433 * restore!
 434 */
 435static inline void snd_ice1712_save_gpio_status(struct snd_ice1712 *ice)
 436{
 437        mutex_lock(&ice->gpio_mutex);
 438        ice->gpio.saved[0] = ice->gpio.direction;
 439        ice->gpio.saved[1] = ice->gpio.write_mask;
 440}
 441
 442static inline void snd_ice1712_restore_gpio_status(struct snd_ice1712 *ice)
 443{
 444        ice->gpio.set_dir(ice, ice->gpio.saved[0]);
 445        ice->gpio.set_mask(ice, ice->gpio.saved[1]);
 446        ice->gpio.direction = ice->gpio.saved[0];
 447        ice->gpio.write_mask = ice->gpio.saved[1];
 448        mutex_unlock(&ice->gpio_mutex);
 449}
 450
 451/* for bit controls */
 452#define ICE1712_GPIO(xiface, xname, xindex, mask, invert, xaccess) \
 453{ .iface = xiface, .name = xname, .access = xaccess, .info = snd_ctl_boolean_mono_info, \
 454  .get = snd_ice1712_gpio_get, .put = snd_ice1712_gpio_put, \
 455  .private_value = mask | (invert << 24) }
 456
 457int snd_ice1712_gpio_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol);
 458int snd_ice1712_gpio_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol);
 459
 460/*
 461 * set gpio direction, write mask and data
 462 */
 463static inline void snd_ice1712_gpio_write_bits(struct snd_ice1712 *ice,
 464                                               unsigned int mask, unsigned int bits)
 465{
 466        unsigned val;
 467
 468        ice->gpio.direction |= mask;
 469        snd_ice1712_gpio_set_dir(ice, ice->gpio.direction);
 470        val = snd_ice1712_gpio_read(ice);
 471        val &= ~mask;
 472        val |= mask & bits;
 473        snd_ice1712_gpio_write(ice, val);
 474}
 475
 476static inline int snd_ice1712_gpio_read_bits(struct snd_ice1712 *ice,
 477                                              unsigned int mask)
 478{
 479        ice->gpio.direction &= ~mask;
 480        snd_ice1712_gpio_set_dir(ice, ice->gpio.direction);
 481        return  snd_ice1712_gpio_read(ice) & mask;
 482}
 483
 484/* route access functions */
 485int snd_ice1724_get_route_val(struct snd_ice1712 *ice, int shift);
 486int snd_ice1724_put_route_val(struct snd_ice1712 *ice, unsigned int val,
 487                                                                int shift);
 488
 489int snd_ice1712_spdif_build_controls(struct snd_ice1712 *ice);
 490
 491int snd_ice1712_akm4xxx_init(struct snd_akm4xxx *ak,
 492                             const struct snd_akm4xxx *template,
 493                             const struct snd_ak4xxx_private *priv,
 494                             struct snd_ice1712 *ice);
 495void snd_ice1712_akm4xxx_free(struct snd_ice1712 *ice);
 496int snd_ice1712_akm4xxx_build_controls(struct snd_ice1712 *ice);
 497
 498int snd_ice1712_init_cs8427(struct snd_ice1712 *ice, int addr);
 499
 500static inline void snd_ice1712_write(struct snd_ice1712 *ice, u8 addr, u8 data)
 501{
 502        outb(addr, ICEREG(ice, INDEX));
 503        outb(data, ICEREG(ice, DATA));
 504}
 505
 506static inline u8 snd_ice1712_read(struct snd_ice1712 *ice, u8 addr)
 507{
 508        outb(addr, ICEREG(ice, INDEX));
 509        return inb(ICEREG(ice, DATA));
 510}
 511
 512
 513/*
 514 * entry pointer
 515 */
 516
 517struct snd_ice1712_card_info {
 518        unsigned int subvendor;
 519        const char *name;
 520        const char *model;
 521        const char *driver;
 522        int (*chip_init)(struct snd_ice1712 *);
 523        void (*chip_exit)(struct snd_ice1712 *);
 524        int (*build_controls)(struct snd_ice1712 *);
 525        unsigned int no_mpu401:1;
 526        unsigned int mpu401_1_info_flags;
 527        unsigned int mpu401_2_info_flags;
 528        const char *mpu401_1_name;
 529        const char *mpu401_2_name;
 530        const unsigned int eeprom_size;
 531        const unsigned char *eeprom_data;
 532};
 533
 534
 535#endif /* __SOUND_ICE1712_H */
 536