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
  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 struct ct_atc_chip_sub_details {
  41         u16 subsys;
  42         const char *nm_model;
  43 };
  44
  45 struct 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
  52 struct ct_atc;
  53 struct ct_timer;
  54 struct ct_timer_instance;
  55
  56 /* alsa pcm stream descriptor */
  57 struct 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 */
  76 struct 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
 149 int __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);
 152 int __devinit ct_atc_create_alsa_devs(struct ct_atc *atc);
 153
 154 #endif /* CTATC_H */