1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
|
/**
* Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
*
* This source file is released under GPL v2 license (no other versions).
* See the COPYING file included in the main directory of this source
* distribution for the license terms and conditions.
*
* @File ctatc.h
*
* @Brief
* This file contains the definition of the device resource management object.
*
* @Author Liu Chun
* @Date Mar 28 2008
*
*/
#ifndef CTATC_H
#define CTATC_H
#include <linux/types.h>
#include <linux/spinlock_types.h>
#include <linux/pci.h>
#include <linux/timer.h>
#include <sound/core.h>
#include "ctvmem.h"
#include "ctresource.h"
enum CTALSADEVS { /* Types of alsa devices */
FRONT,
SURROUND,
CLFE,
SIDE,
IEC958,
MIXER,
NUM_CTALSADEVS /* This should always be the last */
};
enum CTCARDS {
CTSB0760,
CTHENDRIX,
CTSB08801,
CTSB08802,
CTSB08803,
NUM_CTCARDS /* This should always be the last */
};
struct ct_atc_chip_sub_details {
u16 subsys;
const char *nm_model;
};
struct ct_atc_chip_details {
u16 vendor;
u16 device;
const struct ct_atc_chip_sub_details *sub_details;
const char *nm_card;
};
struct ct_atc;
struct ct_timer;
struct ct_timer_instance;
/* alsa pcm stream descriptor */
struct ct_atc_pcm {
struct snd_pcm_substream *substream;
void (*interrupt)(struct ct_atc_pcm *apcm);
struct ct_timer_instance *timer;
unsigned int started:1;
/* Only mono and interleaved modes are supported now. */
struct ct_vm_block *vm_block;
void *src; /* SRC for interacting with host memory */
void **srccs; /* SRCs for sample rate conversion */
void **srcimps; /* SRC Input Mappers */
void **amixers; /* AMIXERs for routing converted data */
void *mono; /* A SUM resource for mixing chs to one */
unsigned char n_srcc; /* Number of converting SRCs */
unsigned char n_srcimp; /* Number of SRC Input Mappers */
unsigned char n_amixer; /* Number of AMIXERs */
};
/* Chip resource management object */
struct ct_atc {
struct pci_dev *pci;
struct snd_card *card;
unsigned int rsr; /* reference sample rate in Hz */
unsigned int msr; /* master sample rate in rsr */
unsigned int pll_rate; /* current rate of Phase Lock Loop */
const struct ct_atc_chip_details *chip_details;
enum CTCARDS model;
/* Create all alsa devices */
int (*create_alsa_devs)(struct ct_atc *atc);
struct ct_vm *vm; /* device virtual memory manager for this card */
int (*map_audio_buffer)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
void (*unmap_audio_buffer)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
unsigned long (*get_ptp_phys)(struct ct_atc *atc, int index);
spinlock_t atc_lock;
int (*pcm_playback_prepare)(struct ct_atc *atc,
struct ct_atc_pcm *apcm);
int (*pcm_playback_start)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
int (*pcm_playback_stop)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
int (*pcm_playback_position)(struct ct_atc *atc,
struct ct_atc_pcm *apcm);
int (*spdif_passthru_playback_prepare)(struct ct_atc *atc,
struct ct_atc_pcm *apcm);
int (*pcm_capture_prepare)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
int (*pcm_capture_start)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
int (*pcm_capture_stop)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
int (*pcm_capture_position)(struct ct_atc *atc,
struct ct_atc_pcm *apcm);
int (*pcm_release_resources)(struct ct_atc *atc,
struct ct_atc_pcm *apcm);
int (*select_line_in)(struct ct_atc *atc);
int (*select_mic_in)(struct ct_atc *atc);
int (*select_digit_io)(struct ct_atc *atc);
int (*line_front_unmute)(struct ct_atc *atc, unsigned char state);
int (*line_surround_unmute)(struct ct_atc *atc, unsigned char state);
int (*line_clfe_unmute)(struct ct_atc *atc, unsigned char state);
int (*line_rear_unmute)(struct ct_atc *atc, unsigned char state);
int (*line_in_unmute)(struct ct_atc *atc, unsigned char state);
int (*spdif_out_unmute)(struct ct_atc *atc, unsigned char state);
int (*spdif_in_unmute)(struct ct_atc *atc, unsigned char state);
int (*spdif_out_get_status)(struct ct_atc *atc, unsigned int *status);
int (*spdif_out_set_status)(struct ct_atc *atc, unsigned int status);
int (*spdif_out_passthru)(struct ct_atc *atc, unsigned char state);
int (*have_digit_io_switch)(struct ct_atc *atc);
/* Don't touch! Used for internal object. */
void *rsc_mgrs[NUM_RSCTYP]; /* chip resource managers */
void *mixer; /* internal mixer object */
void *hw; /* chip specific hardware access object */
void **daios; /* digital audio io resources */
void **pcm; /* SUMs for collecting all pcm stream */
void **srcs; /* Sample Rate Converters for input signal */
void **srcimps; /* input mappers for SRCs */
unsigned char n_daio;
unsigned char n_src;
unsigned char n_srcimp;
unsigned char n_pcm;
struct ct_timer *timer;
};
int __devinit ct_atc_create(struct snd_card *card, struct pci_dev *pci,
unsigned int rsr, unsigned int msr,
struct ct_atc **ratc);
#endif /* CTATC_H */
|
