LXR linux/sound/pci/ctxfi/ctatc.h

   1/**
   2 * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
   3 *
   4 * This source file is released under GPL v2 license (no other versions).
   5 * See the COPYING file included in the main directory of this source
   6 * distribution for the license terms and conditions.
   7 *
   8 * @File        ctatc.h
   9 *
  10 * @Brief
  11 * This file contains the definition of the device resource management object.
  12 *
  13 * @Author      Liu Chun
  14 * @Date        Mar 28 2008
  15 *
  16 */
  17
  18#ifndef CTATC_H
  19#define CTATC_H
  20
  21#include <linux/types.h>
  22#include <linux/mutex.h>
  23#include <linux/pci.h>
  24#include <linux/timer.h>
  25#include <sound/core.h>
  26
  27#include "ctvmem.h"
  28#include "ctresource.h"
  29
  30enum CTALSADEVS {               /* Types of alsa devices */
  31        FRONT,
  32        SURROUND,
  33        CLFE,
  34        SIDE,
  35        IEC958,
  36        MIXER,
  37        NUM_CTALSADEVS          /* This should always be the last */
  38};
  39
  40struct ct_atc_chip_sub_details {
  41        u16 subsys;
  42        const char *nm_model;
  43};
  44
  45struct ct_atc_chip_details {
  46        u16 vendor;
  47        u16 device;
  48        const struct ct_atc_chip_sub_details *sub_details;
  49        const char *nm_card;
  50};
  51
  52struct ct_atc;
  53struct ct_timer;
  54struct ct_timer_instance;
  55
  56/* alsa pcm stream descriptor */
  57struct ct_atc_pcm {
  58        struct snd_pcm_substream *substream;
  59        void (*interrupt)(struct ct_atc_pcm *apcm);
  60        struct ct_timer_instance *timer;
  61        unsigned int started:1;
  62
  63        /* Only mono and interleaved modes are supported now. */
  64        struct ct_vm_block *vm_block;
  65        void *src;              /* SRC for interacting with host memory */
  66        void **srccs;           /* SRCs for sample rate conversion */
  67        void **srcimps;         /* SRC Input Mappers */
  68        void **amixers;         /* AMIXERs for routing converted data */
  69        void *mono;             /* A SUM resource for mixing chs to one */
  70        unsigned char n_srcc;   /* Number of converting SRCs */
  71        unsigned char n_srcimp; /* Number of SRC Input Mappers */
  72        unsigned char n_amixer; /* Number of AMIXERs */
  73};
  74
  75/* Chip resource management object */
  76struct ct_atc {
  77        struct pci_dev *pci;
  78        struct snd_card *card;
  79        unsigned int rsr; /* reference sample rate in Hz */
  80        unsigned int msr; /* master sample rate in rsr */
  81        unsigned int pll_rate; /* current rate of Phase Lock Loop */
  82
  83        int chip_type;
  84        int model;
  85        const char *chip_name;
  86        const char *model_name;
  87
  88        struct ct_vm *vm; /* device virtual memory manager for this card */
  89        int (*map_audio_buffer)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
  90        void (*unmap_audio_buffer)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
  91        unsigned long (*get_ptp_phys)(struct ct_atc *atc, int index);
  92
  93        struct mutex atc_mutex;
  94
  95        int (*pcm_playback_prepare)(struct ct_atc *atc,
  96                                    struct ct_atc_pcm *apcm);
  97        int (*pcm_playback_start)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
  98        int (*pcm_playback_stop)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
  99        int (*pcm_playback_position)(struct ct_atc *atc,
 100                                     struct ct_atc_pcm *apcm);
 101        int (*spdif_passthru_playback_prepare)(struct ct_atc *atc,
 102                                               struct ct_atc_pcm *apcm);
 103        int (*pcm_capture_prepare)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
 104        int (*pcm_capture_start)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
 105        int (*pcm_capture_stop)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
 106        int (*pcm_capture_position)(struct ct_atc *atc,
 107                                    struct ct_atc_pcm *apcm);
 108        int (*pcm_release_resources)(struct ct_atc *atc,
 109                                     struct ct_atc_pcm *apcm);
 110        int (*select_line_in)(struct ct_atc *atc);
 111        int (*select_mic_in)(struct ct_atc *atc);
 112        int (*select_digit_io)(struct ct_atc *atc);
 113        int (*line_front_unmute)(struct ct_atc *atc, unsigned char state);
 114        int (*line_surround_unmute)(struct ct_atc *atc, unsigned char state);
 115        int (*line_clfe_unmute)(struct ct_atc *atc, unsigned char state);
 116        int (*line_rear_unmute)(struct ct_atc *atc, unsigned char state);
 117        int (*line_in_unmute)(struct ct_atc *atc, unsigned char state);
 118        int (*spdif_out_unmute)(struct ct_atc *atc, unsigned char state);
 119        int (*spdif_in_unmute)(struct ct_atc *atc, unsigned char state);
 120        int (*spdif_out_get_status)(struct ct_atc *atc, unsigned int *status);
 121        int (*spdif_out_set_status)(struct ct_atc *atc, unsigned int status);
 122        int (*spdif_out_passthru)(struct ct_atc *atc, unsigned char state);
 123        int (*have_digit_io_switch)(struct ct_atc *atc);
 124
 125        /* Don't touch! Used for internal object. */
 126        void *rsc_mgrs[NUM_RSCTYP]; /* chip resource managers */
 127        void *mixer;            /* internal mixer object */
 128        void *hw;               /* chip specific hardware access object */
 129        void **daios;           /* digital audio io resources */
 130        void **pcm;             /* SUMs for collecting all pcm stream */
 131        void **srcs;            /* Sample Rate Converters for input signal */
 132        void **srcimps;         /* input mappers for SRCs */
 133        unsigned char n_daio;
 134        unsigned char n_src;
 135        unsigned char n_srcimp;
 136        unsigned char n_pcm;
 137
 138        struct ct_timer *timer;
 139
 140#ifdef CONFIG_PM
 141        int (*suspend)(struct ct_atc *atc, pm_message_t state);
 142        int (*resume)(struct ct_atc *atc);
 143#define NUM_PCMS (NUM_CTALSADEVS - 1)
 144        struct snd_pcm *pcms[NUM_PCMS];
 145#endif
 146};
 147
 148
 149int __devinit ct_atc_create(struct snd_card *card, struct pci_dev *pci,
 150                            unsigned int rsr, unsigned int msr, int chip_type,
 151                            struct ct_atc **ratc);
 152int __devinit ct_atc_create_alsa_devs(struct ct_atc *atc);
 153
 154#endif /* CTATC_H */
 155