ctatc.h (5202B)
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 27enum 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 37struct ct_atc_chip_sub_details { 38 u16 subsys; 39 const char *nm_model; 40}; 41 42struct 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 49struct ct_atc; 50struct ct_timer; 51struct ct_timer_instance; 52 53/* alsa pcm stream descriptor */ 54struct 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 */ 73struct 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 151int 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); 154int ct_atc_create_alsa_devs(struct ct_atc *atc); 155 156#endif /* CTATC_H */