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/spinlock_types.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
  30 enum 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
  40 enum CTCARDS {
  41         CTSB0760,
  42         CTHENDRIX,
  43         CTSB08801,
  44         CTSB08802,
  45         CTSB08803,
  46         NUM_CTCARDS             /* This should always be the last */
  47 };
  48
  49 struct ct_atc_chip_sub_details {
  50         u16 subsys;
  51         const char *nm_model;
  52 };
  53
  54 struct ct_atc_chip_details {
  55         u16 vendor;
  56         u16 device;
  57         const struct ct_atc_chip_sub_details *sub_details;
  58         const char *nm_card;
  59 };
  60
  61 struct ct_atc;
  62 struct ct_timer;
  63 struct ct_timer_instance;
  64
  65 /* alsa pcm stream descriptor */
  66 struct ct_atc_pcm {
  67         struct snd_pcm_substream *substream;
  68         void (*interrupt)(struct ct_atc_pcm *apcm);
  69         struct ct_timer_instance *timer;
  70         unsigned int started:1;
  71
  72         /* Only mono and interleaved modes are supported now. */
  73         struct ct_vm_block *vm_block;
  74         void *src;              /* SRC for interacting with host memory */
  75         void **srccs;           /* SRCs for sample rate conversion */
  76         void **srcimps;         /* SRC Input Mappers */
  77         void **amixers;         /* AMIXERs for routing converted data */
  78         void *mono;             /* A SUM resource for mixing chs to one */
  79         unsigned char n_srcc;   /* Number of converting SRCs */
  80         unsigned char n_srcimp; /* Number of SRC Input Mappers */
  81         unsigned char n_amixer; /* Number of AMIXERs */
  82 };
  83
  84 /* Chip resource management object */
  85 struct ct_atc {
  86         struct pci_dev *pci;
  87         struct snd_card *card;
  88         unsigned int rsr; /* reference sample rate in Hz */
  89         unsigned int msr; /* master sample rate in rsr */
  90         unsigned int pll_rate; /* current rate of Phase Lock Loop */
  91
  92         const struct ct_atc_chip_details *chip_details;
  93         enum CTCARDS model;
  94
  95         struct ct_vm *vm; /* device virtual memory manager for this card */
  96         int (*map_audio_buffer)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
  97         void (*unmap_audio_buffer)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
  98         unsigned long (*get_ptp_phys)(struct ct_atc *atc, int index);
  99
 100         spinlock_t atc_lock;
 101
 102         int (*pcm_playback_prepare)(struct ct_atc *atc,
 103                                     struct ct_atc_pcm *apcm);
 104         int (*pcm_playback_start)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
 105         int (*pcm_playback_stop)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
 106         int (*pcm_playback_position)(struct ct_atc *atc,
 107                                      struct ct_atc_pcm *apcm);
 108         int (*spdif_passthru_playback_prepare)(struct ct_atc *atc,
 109                                                struct ct_atc_pcm *apcm);
 110         int (*pcm_capture_prepare)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
 111         int (*pcm_capture_start)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
 112         int (*pcm_capture_stop)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
 113         int (*pcm_capture_position)(struct ct_atc *atc,
 114                                     struct ct_atc_pcm *apcm);
 115         int (*pcm_release_resources)(struct ct_atc *atc,
 116                                      struct ct_atc_pcm *apcm);
 117         int (*select_line_in)(struct ct_atc *atc);
 118         int (*select_mic_in)(struct ct_atc *atc);
 119         int (*select_digit_io)(struct ct_atc *atc);
 120         int (*line_front_unmute)(struct ct_atc *atc, unsigned char state);
 121         int (*line_surround_unmute)(struct ct_atc *atc, unsigned char state);
 122         int (*line_clfe_unmute)(struct ct_atc *atc, unsigned char state);
 123         int (*line_rear_unmute)(struct ct_atc *atc, unsigned char state);
 124         int (*line_in_unmute)(struct ct_atc *atc, unsigned char state);
 125         int (*spdif_out_unmute)(struct ct_atc *atc, unsigned char state);
 126         int (*spdif_in_unmute)(struct ct_atc *atc, unsigned char state);
 127         int (*spdif_out_get_status)(struct ct_atc *atc, unsigned int *status);
 128         int (*spdif_out_set_status)(struct ct_atc *atc, unsigned int status);
 129         int (*spdif_out_passthru)(struct ct_atc *atc, unsigned char state);
 130         int (*have_digit_io_switch)(struct ct_atc *atc);
 131
 132         /* Don't touch! Used for internal object. */
 133         void *rsc_mgrs[NUM_RSCTYP]; /* chip resource managers */
 134         void *mixer;            /* internal mixer object */
 135         void *hw;               /* chip specific hardware access object */
 136         void **daios;           /* digital audio io resources */
 137         void **pcm;             /* SUMs for collecting all pcm stream */
 138         void **srcs;            /* Sample Rate Converters for input signal */
 139         void **srcimps;         /* input mappers for SRCs */
 140         unsigned char n_daio;
 141         unsigned char n_src;
 142         unsigned char n_srcimp;
 143         unsigned char n_pcm;
 144
 145         struct ct_timer *timer;
 146 };
 147
 148
 149 int __devinit ct_atc_create(struct snd_card *card, struct pci_dev *pci,
 150                             unsigned int rsr, unsigned int msr,
 151                             struct ct_atc **ratc);
 152 int __devinit ct_atc_create_alsa_devs(struct ct_atc *atc);
 153
 154 #endif /* CTATC_H */