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-rw-r--r--sound/pci/ctxfi/ctatc.h155
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diff --git a/sound/pci/ctxfi/ctatc.h b/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/spinlock_types.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
30enum CTALSADEVS { /* Types of alsa devices */
31 FRONT,
32 REAR,
33 CLFE,
34 SURROUND,
35 IEC958,
36 MIXER,
37 NUM_CTALSADEVS /* This should always be the last */
38};
39
40enum CTCARDS {
41 CTSB0760,
42 CTHENDRIX,
43 CTSB08801,
44 CTSB08802,
45 CTSB08803,
46 NUM_CTCARDS /* This should always be the last */
47};
48
49struct ct_atc_chip_sub_details {
50 u16 subsys;
51 const char *nm_model;
52};
53
54struct ct_atc_chip_details {
55 u16 vendor;
56 u16 device;
57 const struct ct_atc_chip_sub_details *sub_details;
58 const char *nm_card;
59};
60
61struct ct_atc;
62
63/* alsa pcm stream descriptor */
64struct ct_atc_pcm {
65 struct snd_pcm_substream *substream;
66 void (*interrupt)(struct ct_atc_pcm *apcm);
67 unsigned int started:1;
68 unsigned int stop_timer:1;
69 struct timer_list timer;
70 spinlock_t timer_lock;
71 unsigned int position;
72
73 /* Only mono and interleaved modes are supported now. */
74 struct ct_vm_block *vm_block;
75 void *src; /* SRC for interacting with host memory */
76 void **srccs; /* SRCs for sample rate conversion */
77 void **srcimps; /* SRC Input Mappers */
78 void **amixers; /* AMIXERs for routing converted data */
79 void *mono; /* A SUM resource for mixing chs to one */
80 unsigned char n_srcc; /* Number of converting SRCs */
81 unsigned char n_srcimp; /* Number of SRC Input Mappers */
82 unsigned char n_amixer; /* Number of AMIXERs */
83};
84
85/* Chip resource management object */
86struct ct_atc {
87 struct pci_dev *pci;
88 struct snd_card *card;
89 unsigned int rsr; /* reference sample rate in Hz */
90 unsigned int msr; /* master sample rate in rsr */
91 unsigned int pll_rate; /* current rate of Phase Lock Loop */
92
93 const struct ct_atc_chip_details *chip_details;
94 enum CTCARDS model;
95 /* Create all alsa devices */
96 int (*create_alsa_devs)(struct ct_atc *atc);
97
98 struct ct_vm *vm; /* device virtual memory manager for this card */
99 int (*map_audio_buffer)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
100 void (*unmap_audio_buffer)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
101 unsigned long (*get_ptp_phys)(struct ct_atc *atc, int index);
102
103 spinlock_t atc_lock;
104 spinlock_t vm_lock;
105
106 int (*pcm_playback_prepare)(struct ct_atc *atc,
107 struct ct_atc_pcm *apcm);
108 int (*pcm_playback_start)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
109 int (*pcm_playback_stop)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
110 int (*pcm_playback_position)(struct ct_atc *atc,
111 struct ct_atc_pcm *apcm);
112 int (*spdif_passthru_playback_prepare)(struct ct_atc *atc,
113 struct ct_atc_pcm *apcm);
114 int (*pcm_capture_prepare)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
115 int (*pcm_capture_start)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
116 int (*pcm_capture_stop)(struct ct_atc *atc, struct ct_atc_pcm *apcm);
117 int (*pcm_capture_position)(struct ct_atc *atc,
118 struct ct_atc_pcm *apcm);
119 int (*pcm_release_resources)(struct ct_atc *atc,
120 struct ct_atc_pcm *apcm);
121 int (*select_line_in)(struct ct_atc *atc);
122 int (*select_mic_in)(struct ct_atc *atc);
123 int (*select_digit_io)(struct ct_atc *atc);
124 int (*line_front_unmute)(struct ct_atc *atc, unsigned char state);
125 int (*line_surround_unmute)(struct ct_atc *atc, unsigned char state);
126 int (*line_clfe_unmute)(struct ct_atc *atc, unsigned char state);
127 int (*line_rear_unmute)(struct ct_atc *atc, unsigned char state);
128 int (*line_in_unmute)(struct ct_atc *atc, unsigned char state);
129 int (*spdif_out_unmute)(struct ct_atc *atc, unsigned char state);
130 int (*spdif_in_unmute)(struct ct_atc *atc, unsigned char state);
131 int (*spdif_out_get_status)(struct ct_atc *atc, unsigned int *status);
132 int (*spdif_out_set_status)(struct ct_atc *atc, unsigned int status);
133 int (*spdif_out_passthru)(struct ct_atc *atc, unsigned char state);
134 int (*have_digit_io_switch)(struct ct_atc *atc);
135
136 /* Don't touch! Used for internal object. */
137 void *rsc_mgrs[NUM_RSCTYP]; /* chip resource managers */
138 void *mixer; /* internal mixer object */
139 void *hw; /* chip specific hardware access object */
140 void **daios; /* digital audio io resources */
141 void **pcm; /* SUMs for collecting all pcm stream */
142 void **srcs; /* Sample Rate Converters for input signal */
143 void **srcimps; /* input mappers for SRCs */
144 unsigned char n_daio;
145 unsigned char n_src;
146 unsigned char n_srcimp;
147 unsigned char n_pcm;
148};
149
150
151int __devinit ct_atc_create(struct snd_card *card, struct pci_dev *pci,
152 unsigned int rsr, unsigned int msr,
153 struct ct_atc **ratc);
154
155#endif /* CTATC_H */
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