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TOMOYO Linux Cross Reference
Linux/sound/pci/ctxfi/ctatc.h

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  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 "cthardware.h"
 29 #include "ctresource.h"
 30 
 31 enum CTALSADEVS {               /* Types of alsa devices */
 32         FRONT,
 33         SURROUND,
 34         CLFE,
 35         SIDE,
 36         IEC958,
 37         MIXER,
 38         NUM_CTALSADEVS          /* This should always be the last */
 39 };
 40 
 41 struct ct_atc_chip_sub_details {
 42         u16 subsys;
 43         const char *nm_model;
 44 };
 45 
 46 struct ct_atc_chip_details {
 47         u16 vendor;
 48         u16 device;
 49         const struct ct_atc_chip_sub_details *sub_details;
 50         const char *nm_card;
 51 };
 52 
 53 struct ct_atc;
 54 struct ct_timer;
 55 struct ct_timer_instance;
 56 
 57 /* alsa pcm stream descriptor */
 58 struct ct_atc_pcm {
 59         struct snd_pcm_substream *substream;
 60         void (*interrupt)(struct ct_atc_pcm *apcm);
 61         struct ct_timer_instance *timer;
 62         unsigned int started:1;
 63 
 64         /* Only mono and interleaved modes are supported now. */
 65         struct ct_vm_block *vm_block;
 66         void *src;              /* SRC for interacting with host memory */
 67         void **srccs;           /* SRCs for sample rate conversion */
 68         void **srcimps;         /* SRC Input Mappers */
 69         void **amixers;         /* AMIXERs for routing converted data */
 70         void *mono;             /* A SUM resource for mixing chs to one */
 71         unsigned char n_srcc;   /* Number of converting SRCs */
 72         unsigned char n_srcimp; /* Number of SRC Input Mappers */
 73         unsigned char n_amixer; /* Number of AMIXERs */
 74 };
 75 
 76 /* Chip resource management object */
 77 struct ct_atc {
 78         struct pci_dev *pci;
 79         struct snd_card *card;
 80         unsigned int rsr; /* reference sample rate in Hz */
 81         unsigned int msr; /* master sample rate in rsr */
 82         unsigned int pll_rate; /* current rate of Phase Lock Loop */
 83 
 84         int chip_type;
 85         int model;
 86         const char *chip_name;
 87         const char *model_name;
 88 
 89         struct ct_vm *vm; /* device virtual memory manager for this card */
 90         int (*map_audio_buffer)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
 91         void (*unmap_audio_buffer)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
 92         unsigned long (*get_ptp_phys)(struct ct_atc *atc, int index);
 93 
 94         struct mutex atc_mutex;
 95 
 96         int (*pcm_playback_prepare)(struct ct_atc *atc,
 97                                     struct ct_atc_pcm *apcm);
 98         int (*pcm_playback_start)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
 99         int (*pcm_playback_stop)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
100         int (*pcm_playback_position)(struct ct_atc *atc,
101                                      struct ct_atc_pcm *apcm);
102         int (*spdif_passthru_playback_prepare)(struct ct_atc *atc,
103                                                struct ct_atc_pcm *apcm);
104         int (*pcm_capture_prepare)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
105         int (*pcm_capture_start)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
106         int (*pcm_capture_stop)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
107         int (*pcm_capture_position)(struct ct_atc *atc,
108                                     struct ct_atc_pcm *apcm);
109         int (*pcm_release_resources)(struct ct_atc *atc,
110                                      struct ct_atc_pcm *apcm);
111         int (*select_line_in)(struct ct_atc *atc);
112         int (*select_mic_in)(struct ct_atc *atc);
113         int (*select_digit_io)(struct ct_atc *atc);
114         int (*line_front_unmute)(struct ct_atc *atc, unsigned char state);
115         int (*line_surround_unmute)(struct ct_atc *atc, unsigned char state);
116         int (*line_clfe_unmute)(struct ct_atc *atc, unsigned char state);
117         int (*line_rear_unmute)(struct ct_atc *atc, unsigned char state);
118         int (*line_in_unmute)(struct ct_atc *atc, unsigned char state);
119         int (*mic_unmute)(struct ct_atc *atc, unsigned char state);
120         int (*spdif_out_unmute)(struct ct_atc *atc, unsigned char state);
121         int (*spdif_in_unmute)(struct ct_atc *atc, unsigned char state);
122         int (*spdif_out_get_status)(struct ct_atc *atc, unsigned int *status);
123         int (*spdif_out_set_status)(struct ct_atc *atc, unsigned int status);
124         int (*spdif_out_passthru)(struct ct_atc *atc, unsigned char state);
125         struct capabilities (*capabilities)(struct ct_atc *atc);
126         int (*output_switch_get)(struct ct_atc *atc);
127         int (*output_switch_put)(struct ct_atc *atc, int position);
128         int (*mic_source_switch_get)(struct ct_atc *atc);
129         int (*mic_source_switch_put)(struct ct_atc *atc, int position);
130 
131         /* Don't touch! Used for internal object. */
132         void *rsc_mgrs[NUM_RSCTYP]; /* chip resource managers */
133         void *mixer;            /* internal mixer object */
134         struct hw *hw;          /* chip specific hardware access object */
135         void **daios;           /* digital audio io resources */
136         void **pcm;             /* SUMs for collecting all pcm stream */
137         void **srcs;            /* Sample Rate Converters for input signal */
138         void **srcimps;         /* input mappers for SRCs */
139         unsigned char n_daio;
140         unsigned char n_src;
141         unsigned char n_srcimp;
142         unsigned char n_pcm;
143 
144         struct ct_timer *timer;
145 
146 #ifdef CONFIG_PM_SLEEP
147         int (*suspend)(struct ct_atc *atc);
148         int (*resume)(struct ct_atc *atc);
149 #define NUM_PCMS (NUM_CTALSADEVS - 1)
150         struct snd_pcm *pcms[NUM_PCMS];
151 #endif
152 };
153 
154 
155 int ct_atc_create(struct snd_card *card, struct pci_dev *pci,
156                   unsigned int rsr, unsigned int msr, int chip_type,
157                   unsigned int subsysid, struct ct_atc **ratc);
158 int ct_atc_create_alsa_devs(struct ct_atc *atc);
159 
160 #endif /* CTATC_H */
161 

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