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#ifndef __YMFPCI_H

#define __YMFPCI_H

/*

 *  Copyright (c) by Jaroslav Kysela <perex@suse.cz>

 *  Definitions for Yahama YMF724/740/744/754 chips

 *

 *

 *   This program is free software; you can redistribute it and/or modify

 *   it under the terms of the GNU General Public License as published by

 *   the Free Software Foundation; either version 2 of the License, or

 *   (at your option) any later version.

 *

 *   This program is distributed in the hope that it will be useful,

 *   but WITHOUT ANY WARRANTY; without even the implied warranty of

 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 *   GNU General Public License for more details.

 *

 *   You should have received a copy of the GNU General Public License

 *   along with this program; if not, write to the Free Software

 *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

 *

 */

#include <linux/config.h>

/*

 *  Direct registers

 */

/* #define YMFREG(codec, reg)           (codec->port + YDSXGR_##reg) */

#define YDSXGR_INTFLAG                  0x0004

#define YDSXGR_ACTIVITY                 0x0006

#define YDSXGR_GLOBALCTRL               0x0008

#define YDSXGR_ZVCTRL                   0x000A

#define YDSXGR_TIMERCTRL                0x0010

#define YDSXGR_TIMERCTRL_TEN             0x0001

#define YDSXGR_TIMERCTRL_TIEN            0x0002

#define YDSXGR_TIMERCOUNT               0x0012

#define YDSXGR_SPDIFOUTCTRL             0x0018

#define YDSXGR_SPDIFOUTSTATUS           0x001C

#define YDSXGR_EEPROMCTRL               0x0020

#define YDSXGR_SPDIFINCTRL              0x0034

#define YDSXGR_SPDIFINSTATUS            0x0038

#define YDSXGR_DSPPROGRAMDL             0x0048

#define YDSXGR_DLCNTRL                  0x004C

#define YDSXGR_GPIOININTFLAG            0x0050

#define YDSXGR_GPIOININTENABLE          0x0052

#define YDSXGR_GPIOINSTATUS             0x0054

#define YDSXGR_GPIOOUTCTRL              0x0056

#define YDSXGR_GPIOFUNCENABLE           0x0058

#define YDSXGR_GPIOTYPECONFIG           0x005A

#define YDSXGR_AC97CMDDATA              0x0060

#define YDSXGR_AC97CMDADR               0x0062

#define YDSXGR_PRISTATUSDATA            0x0064

#define YDSXGR_PRISTATUSADR             0x0066

#define YDSXGR_SECSTATUSDATA            0x0068

#define YDSXGR_SECSTATUSADR             0x006A

#define YDSXGR_SECCONFIG                0x0070

#define YDSXGR_LEGACYOUTVOL             0x0080

#define YDSXGR_LEGACYOUTVOLL            0x0080

#define YDSXGR_LEGACYOUTVOLR            0x0082

#define YDSXGR_NATIVEDACOUTVOL          0x0084

#define YDSXGR_NATIVEDACOUTVOLL         0x0084

#define YDSXGR_NATIVEDACOUTVOLR         0x0086

#define YDSXGR_SPDIFOUTVOL              0x0088

#define YDSXGR_SPDIFOUTVOLL             0x0088

#define YDSXGR_SPDIFOUTVOLR             0x008A

#define YDSXGR_AC3OUTVOL                0x008C

#define YDSXGR_AC3OUTVOLL               0x008C

#define YDSXGR_AC3OUTVOLR               0x008E

#define YDSXGR_PRIADCOUTVOL             0x0090

#define YDSXGR_PRIADCOUTVOLL            0x0090

#define YDSXGR_PRIADCOUTVOLR            0x0092

#define YDSXGR_LEGACYLOOPVOL            0x0094

#define YDSXGR_LEGACYLOOPVOLL           0x0094

#define YDSXGR_LEGACYLOOPVOLR           0x0096

#define YDSXGR_NATIVEDACLOOPVOL         0x0098

#define YDSXGR_NATIVEDACLOOPVOLL        0x0098

#define YDSXGR_NATIVEDACLOOPVOLR        0x009A

#define YDSXGR_SPDIFLOOPVOL             0x009C

#define YDSXGR_SPDIFLOOPVOLL            0x009E

#define YDSXGR_SPDIFLOOPVOLR            0x009E

#define YDSXGR_AC3LOOPVOL               0x00A0

#define YDSXGR_AC3LOOPVOLL              0x00A0

#define YDSXGR_AC3LOOPVOLR              0x00A2

#define YDSXGR_PRIADCLOOPVOL            0x00A4

#define YDSXGR_PRIADCLOOPVOLL           0x00A4

#define YDSXGR_PRIADCLOOPVOLR           0x00A6

#define YDSXGR_NATIVEADCINVOL           0x00A8

#define YDSXGR_NATIVEADCINVOLL          0x00A8

#define YDSXGR_NATIVEADCINVOLR          0x00AA

#define YDSXGR_NATIVEDACINVOL           0x00AC

#define YDSXGR_NATIVEDACINVOLL          0x00AC

#define YDSXGR_NATIVEDACINVOLR          0x00AE

#define YDSXGR_BUF441OUTVOL             0x00B0

#define YDSXGR_BUF441OUTVOLL            0x00B0

#define YDSXGR_BUF441OUTVOLR            0x00B2

#define YDSXGR_BUF441LOOPVOL            0x00B4

#define YDSXGR_BUF441LOOPVOLL           0x00B4

#define YDSXGR_BUF441LOOPVOLR           0x00B6

#define YDSXGR_SPDIFOUTVOL2             0x00B8

#define YDSXGR_SPDIFOUTVOL2L            0x00B8

#define YDSXGR_SPDIFOUTVOL2R            0x00BA

#define YDSXGR_SPDIFLOOPVOL2            0x00BC

#define YDSXGR_SPDIFLOOPVOL2L           0x00BC

#define YDSXGR_SPDIFLOOPVOL2R           0x00BE

#define YDSXGR_ADCSLOTSR                0x00C0

#define YDSXGR_RECSLOTSR                0x00C4

#define YDSXGR_ADCFORMAT                0x00C8

#define YDSXGR_RECFORMAT                0x00CC

#define YDSXGR_P44SLOTSR                0x00D0

#define YDSXGR_STATUS                   0x0100

#define YDSXGR_CTRLSELECT               0x0104

#define YDSXGR_MODE                     0x0108

#define YDSXGR_SAMPLECOUNT              0x010C

#define YDSXGR_NUMOFSAMPLES             0x0110

#define YDSXGR_CONFIG                   0x0114

#define YDSXGR_PLAYCTRLSIZE             0x0140

#define YDSXGR_RECCTRLSIZE              0x0144

#define YDSXGR_EFFCTRLSIZE              0x0148

#define YDSXGR_WORKSIZE                 0x014C

#define YDSXGR_MAPOFREC                 0x0150

#define YDSXGR_MAPOFEFFECT              0x0154

#define YDSXGR_PLAYCTRLBASE             0x0158

#define YDSXGR_RECCTRLBASE              0x015C

#define YDSXGR_EFFCTRLBASE              0x0160

#define YDSXGR_WORKBASE                 0x0164

#define YDSXGR_DSPINSTRAM               0x1000

#define YDSXGR_CTRLINSTRAM              0x4000

#define YDSXG_AC97READCMD               0x8000

#define YDSXG_AC97WRITECMD              0x0000

#define PCIR_LEGCTRL                    0x40

#define PCIR_ELEGCTRL                   0x42

#define PCIR_DSXGCTRL                   0x48

#define PCIR_DSXPWRCTRL1                0x4a

#define PCIR_DSXPWRCTRL2                0x4e

#define PCIR_OPLADR                     0x60

#define PCIR_SBADR                      0x62

#define PCIR_MPUADR                     0x64

#define YDSXG_DSPLENGTH                 0x0080

#define YDSXG_CTRLLENGTH                0x3000

#define YDSXG_DEFAULT_WORK_SIZE         0x0400

#define YDSXG_PLAYBACK_VOICES           64

#define YDSXG_CAPTURE_VOICES            2

#define YDSXG_EFFECT_VOICES             5

/* maxinum number of AC97 codecs connected, AC97 2.0 defined 4 */

#define NR_AC97         2

#define YMF_SAMPF                       256     /* Samples per frame @48000 */

/*

 * The slot/voice control bank (2 of these per voice)

 */

typedef struct stru_ymfpci_playback_bank {

        u32 format;

        u32 loop_default;

        u32 base;                       /* 32-bit address */

        u32 loop_start;                 /* 32-bit offset */

        u32 loop_end;                   /* 32-bit offset */

        u32 loop_frac;                  /* 8-bit fraction - loop_start */

        u32 delta_end;                  /* pitch delta end */

        u32 lpfK_end;

        u32 eg_gain_end;

        u32 left_gain_end;

        u32 right_gain_end;

        u32 eff1_gain_end;

        u32 eff2_gain_end;

        u32 eff3_gain_end;

        u32 lpfQ;

        u32 status;             /* P3: Always 0 for some reason. */

        u32 num_of_frames;

        u32 loop_count;

        u32 start;              /* P3: J. reads this to know where chip is. */

        u32 start_frac;

        u32 delta;

        u32 lpfK;

        u32 eg_gain;

        u32 left_gain;

        u32 right_gain;

        u32 eff1_gain;

        u32 eff2_gain;

        u32 eff3_gain;

        u32 lpfD1;

        u32 lpfD2;

} ymfpci_playback_bank_t;

typedef struct stru_ymfpci_capture_bank {

        u32 base;                       /* 32-bit address (aligned at 4) */

        u32 loop_end;                   /* size in BYTES (aligned at 4) */

        u32 start;                      /* 32-bit offset */

        u32 num_of_loops;               /* counter */

} ymfpci_capture_bank_t;

typedef struct stru_ymfpci_effect_bank {

        u32 base;                       /* 32-bit address */

        u32 loop_end;                   /* 32-bit offset */

        u32 start;                      /* 32-bit offset */

        u32 temp;

} ymfpci_effect_bank_t;

typedef struct ymf_voice ymfpci_voice_t;

/*

 * Throughout the code Yaroslav names YMF unit pointer "codec"

 * even though it does not correspond to any codec. Must be historic.

 * We replace it with "unit" over time.

 * AC97 parts use "codec" to denote a codec, naturally.

 */

typedef struct ymf_unit ymfpci_t;

typedef enum {

        YMFPCI_PCM,

        YMFPCI_SYNTH,

        YMFPCI_MIDI

} ymfpci_voice_type_t;

struct ymf_voice {

        // ymfpci_t *codec;

        int number;

        char use, pcm, synth, midi;     // bool

        ymfpci_playback_bank_t *bank;

        struct ymf_pcm *ypcm;

        dma_addr_t bank_ba;

};

struct ymf_capture {

        // struct ymf_unit *unit;

        int use;

        ymfpci_capture_bank_t *bank;

        struct ymf_pcm *ypcm;

};

struct ymf_unit {

        u8 rev;                         /* PCI revision */

        void *reg_area_virt;

        void *dma_area_va;

        dma_addr_t dma_area_ba;

        unsigned int dma_area_size;

        dma_addr_t bank_base_capture;

        dma_addr_t bank_base_effect;

        dma_addr_t work_base;

        unsigned int work_size;

        u32 *ctrl_playback;

        dma_addr_t ctrl_playback_ba;

        ymfpci_playback_bank_t *bank_playback[YDSXG_PLAYBACK_VOICES][2];

        ymfpci_capture_bank_t *bank_capture[YDSXG_CAPTURE_VOICES][2];

        ymfpci_effect_bank_t *bank_effect[YDSXG_EFFECT_VOICES][2];

        int start_count;

        int suspended;

        u32 active_bank;

        struct ymf_voice voices[YDSXG_PLAYBACK_VOICES];

        struct ymf_capture capture[YDSXG_CAPTURE_VOICES];

        struct ac97_codec *ac97_codec[NR_AC97];

        u16 ac97_features;

        struct pci_dev *pci;

#ifdef CONFIG_SOUND_YMFPCI_LEGACY

        /* legacy hardware resources */

        unsigned int iosynth, iomidi;

        struct address_info opl3_data, mpu_data;

#endif

        spinlock_t reg_lock;

        spinlock_t voice_lock;

        spinlock_t ac97_lock;

        /* soundcore stuff */

        int dev_audio;

        struct semaphore open_sem;

        struct list_head ymf_devs;

        struct list_head states;        /* List of states for this unit */

};

struct ymf_dmabuf {

        dma_addr_t dma_addr;

        void *rawbuf;

        unsigned buforder;

        /* OSS buffer management stuff */

        unsigned numfrag;

        unsigned fragshift;

        /* our buffer acts like a circular ring */

        unsigned hwptr;         /* where dma last started */

        unsigned swptr;         /* where driver last clear/filled */

        int count;              /* fill count */

        unsigned total_bytes;   /* total bytes dmaed by hardware */

        wait_queue_head_t wait; /* put process on wait queue when no more space in buffer */

        /* redundant, but makes calculations easier */

        unsigned fragsize;

        unsigned dmasize;       /* Total rawbuf[] size */

        /* OSS stuff */

        unsigned mapped:1;

        unsigned ready:1;

        unsigned ossfragshift;

        int ossmaxfrags;

        unsigned subdivision;

};

struct ymf_pcm_format {

        int format;                     /* OSS format */

        int rate;                       /* rate in Hz */

        int voices;                     /* number of voices */

        int shift;                      /* redundant, computed from the above */

};

typedef enum {

        PLAYBACK_VOICE,

        CAPTURE_REC,

        CAPTURE_AC97,

        EFFECT_DRY_LEFT,

        EFFECT_DRY_RIGHT,

        EFFECT_EFF1,

        EFFECT_EFF2,

        EFFECT_EFF3

} ymfpci_pcm_type_t;

/* This is variant record, but we hate unions. Little waste on pointers []. */

struct ymf_pcm {

        ymfpci_pcm_type_t type;

        struct ymf_state *state;

        ymfpci_voice_t *voices[2];

        int capture_bank_number;

        struct ymf_dmabuf dmabuf;

        int running;

        int spdif;

};

/*

 * "Software" or virtual channel, an instance of opened /dev/dsp.

 * It may have two physical channels (pcms) for duplex operations.

 */

struct ymf_state {

        struct list_head chain;

        struct ymf_unit *unit;                  /* backpointer */

        struct ymf_pcm rpcm, wpcm;

        struct ymf_pcm_format format;

};

#endif                          /* __YMFPCI_H */