root/sound/pci/ctxfi/ctatc.h

INCLUDED FROM

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /**
   3  * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
   4  *
   5  * @File        ctatc.h
   6  *
   7  * @Brief
   8  * This file contains the definition of the device resource management object.
   9  *
  10  * @Author      Liu Chun
  11  * @Date        Mar 28 2008
  12  */
  13 
  14 #ifndef CTATC_H
  15 #define CTATC_H
  16 
  17 #include <linux/types.h>
  18 #include <linux/mutex.h>
  19 #include <linux/pci.h>
  20 #include <linux/timer.h>
  21 #include <sound/core.h>
  22 
  23 #include "ctvmem.h"
  24 #include "cthardware.h"
  25 #include "ctresource.h"
  26 
  27 enum CTALSADEVS {               /* Types of alsa devices */
  28         FRONT,
  29         SURROUND,
  30         CLFE,
  31         SIDE,
  32         IEC958,
  33         MIXER,
  34         NUM_CTALSADEVS          /* This should always be the last */
  35 };
  36 
  37 struct ct_atc_chip_sub_details {
  38         u16 subsys;
  39         const char *nm_model;
  40 };
  41 
  42 struct ct_atc_chip_details {
  43         u16 vendor;
  44         u16 device;
  45         const struct ct_atc_chip_sub_details *sub_details;
  46         const char *nm_card;
  47 };
  48 
  49 struct ct_atc;
  50 struct ct_timer;
  51 struct ct_timer_instance;
  52 
  53 /* alsa pcm stream descriptor */
  54 struct ct_atc_pcm {
  55         struct snd_pcm_substream *substream;
  56         void (*interrupt)(struct ct_atc_pcm *apcm);
  57         struct ct_timer_instance *timer;
  58         unsigned int started:1;
  59 
  60         /* Only mono and interleaved modes are supported now. */
  61         struct ct_vm_block *vm_block;
  62         void *src;              /* SRC for interacting with host memory */
  63         void **srccs;           /* SRCs for sample rate conversion */
  64         void **srcimps;         /* SRC Input Mappers */
  65         void **amixers;         /* AMIXERs for routing converted data */
  66         void *mono;             /* A SUM resource for mixing chs to one */
  67         unsigned char n_srcc;   /* Number of converting SRCs */
  68         unsigned char n_srcimp; /* Number of SRC Input Mappers */
  69         unsigned char n_amixer; /* Number of AMIXERs */
  70 };
  71 
  72 /* Chip resource management object */
  73 struct ct_atc {
  74         struct pci_dev *pci;
  75         struct snd_card *card;
  76         unsigned int rsr; /* reference sample rate in Hz */
  77         unsigned int msr; /* master sample rate in rsr */
  78         unsigned int pll_rate; /* current rate of Phase Lock Loop */
  79 
  80         int chip_type;
  81         int model;
  82         const char *chip_name;
  83         const char *model_name;
  84 
  85         struct ct_vm *vm; /* device virtual memory manager for this card */
  86         int (*map_audio_buffer)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
  87         void (*unmap_audio_buffer)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
  88         unsigned long (*get_ptp_phys)(struct ct_atc *atc, int index);
  89 
  90         struct mutex atc_mutex;
  91 
  92         int (*pcm_playback_prepare)(struct ct_atc *atc,
  93                                     struct ct_atc_pcm *apcm);
  94         int (*pcm_playback_start)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
  95         int (*pcm_playback_stop)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
  96         int (*pcm_playback_position)(struct ct_atc *atc,
  97                                      struct ct_atc_pcm *apcm);
  98         int (*spdif_passthru_playback_prepare)(struct ct_atc *atc,
  99                                                struct ct_atc_pcm *apcm);
 100         int (*pcm_capture_prepare)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
 101         int (*pcm_capture_start)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
 102         int (*pcm_capture_stop)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
 103         int (*pcm_capture_position)(struct ct_atc *atc,
 104                                     struct ct_atc_pcm *apcm);
 105         int (*pcm_release_resources)(struct ct_atc *atc,
 106                                      struct ct_atc_pcm *apcm);
 107         int (*select_line_in)(struct ct_atc *atc);
 108         int (*select_mic_in)(struct ct_atc *atc);
 109         int (*select_digit_io)(struct ct_atc *atc);
 110         int (*line_front_unmute)(struct ct_atc *atc, unsigned char state);
 111         int (*line_surround_unmute)(struct ct_atc *atc, unsigned char state);
 112         int (*line_clfe_unmute)(struct ct_atc *atc, unsigned char state);
 113         int (*line_rear_unmute)(struct ct_atc *atc, unsigned char state);
 114         int (*line_in_unmute)(struct ct_atc *atc, unsigned char state);
 115         int (*mic_unmute)(struct ct_atc *atc, unsigned char state);
 116         int (*spdif_out_unmute)(struct ct_atc *atc, unsigned char state);
 117         int (*spdif_in_unmute)(struct ct_atc *atc, unsigned char state);
 118         int (*spdif_out_get_status)(struct ct_atc *atc, unsigned int *status);
 119         int (*spdif_out_set_status)(struct ct_atc *atc, unsigned int status);
 120         int (*spdif_out_passthru)(struct ct_atc *atc, unsigned char state);
 121         struct capabilities (*capabilities)(struct ct_atc *atc);
 122         int (*output_switch_get)(struct ct_atc *atc);
 123         int (*output_switch_put)(struct ct_atc *atc, int position);
 124         int (*mic_source_switch_get)(struct ct_atc *atc);
 125         int (*mic_source_switch_put)(struct ct_atc *atc, int position);
 126 
 127         /* Don't touch! Used for internal object. */
 128         void *rsc_mgrs[NUM_RSCTYP]; /* chip resource managers */
 129         void *mixer;            /* internal mixer object */
 130         struct hw *hw;          /* chip specific hardware access object */
 131         void **daios;           /* digital audio io resources */
 132         void **pcm;             /* SUMs for collecting all pcm stream */
 133         void **srcs;            /* Sample Rate Converters for input signal */
 134         void **srcimps;         /* input mappers for SRCs */
 135         unsigned char n_daio;
 136         unsigned char n_src;
 137         unsigned char n_srcimp;
 138         unsigned char n_pcm;
 139 
 140         struct ct_timer *timer;
 141 
 142 #ifdef CONFIG_PM_SLEEP
 143         int (*suspend)(struct ct_atc *atc);
 144         int (*resume)(struct ct_atc *atc);
 145 #define NUM_PCMS (NUM_CTALSADEVS - 1)
 146         struct snd_pcm *pcms[NUM_PCMS];
 147 #endif
 148 };
 149 
 150 
 151 int ct_atc_create(struct snd_card *card, struct pci_dev *pci,
 152                   unsigned int rsr, unsigned int msr, int chip_type,
 153                   unsigned int subsysid, struct ct_atc **ratc);
 154 int ct_atc_create_alsa_devs(struct ct_atc *atc);
 155 
 156 #endif /* CTATC_H */