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 unsigned int subsysid, struct ct_atc **ratc); 152 int __devinit ct_atc_create_alsa_devs(struct ct_atc *atc); 153 154 #endif /* CTATC_H */ 155