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gerrit-public.fairphone.software / kernel / msm / 99cf610aa4840d822cdc67d194b23b55010ca9bd / . / sound / pci / aw2 / aw2-saa7146.h
blob: 5b35e358937f8422b4263887fffd7efae917662a [file] [log] [blame]
Cedric Bregardis98f2a972008-02-20 12:05:13 +0100[diff] [blame]1/*****************************************************************************
2 *
3 * Copyright (C) 2008 Cedric Bregardis <cedric.bregardis@free.fr> and
4 * Jean-Christian Hassler <jhassler@free.fr>
5 *
6 * This file is part of the Audiowerk2 ALSA driver
7 *
8 * The Audiowerk2 ALSA driver is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; version 2.
11 *
12 * The Audiowerk2 ALSA driver is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with the Audiowerk2 ALSA driver; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
20 * USA.
21 *
22 *****************************************************************************/
23
24#ifndef AW2_SAA7146_H
25#define AW2_SAA7146_H
26
27#define NB_STREAM_PLAYBACK 2
28#define NB_STREAM_CAPTURE 1
29
30#define NUM_STREAM_PLAYBACK_ANA 0
31#define NUM_STREAM_PLAYBACK_DIG 1
32
33#define NUM_STREAM_CAPTURE_ANA 0
34
35typedef void (*snd_aw2_saa7146_it_cb) (void *);
36
37struct snd_aw2_saa7146_cb_param {
38 snd_aw2_saa7146_it_cb p_it_callback;
39 void *p_callback_param;
40};
41
42/* definition of the chip-specific record */
43
44struct snd_aw2_saa7146 {
45 void __iomem *base_addr;
46};
47
48extern void snd_aw2_saa7146_setup(struct snd_aw2_saa7146 *chip,
49 void __iomem *pci_base_addr);
50extern int snd_aw2_saa7146_free(struct snd_aw2_saa7146 *chip);
51
52extern void snd_aw2_saa7146_pcm_init_playback(struct snd_aw2_saa7146 *chip,
53 int stream_number,
54 unsigned long dma_addr,
55 unsigned long period_size,
56 unsigned long buffer_size);
57extern void snd_aw2_saa7146_pcm_init_capture(struct snd_aw2_saa7146 *chip,
58 int stream_number,
59 unsigned long dma_addr,
60 unsigned long period_size,
61 unsigned long buffer_size);
62extern void snd_aw2_saa7146_define_it_playback_callback(unsigned int
63 stream_number,
64 snd_aw2_saa7146_it_cb
65 p_it_callback,
66 void *p_callback_param);
67extern void snd_aw2_saa7146_define_it_capture_callback(unsigned int
68 stream_number,
69 snd_aw2_saa7146_it_cb
70 p_it_callback,
71 void *p_callback_param);
72extern void snd_aw2_saa7146_pcm_trigger_start_capture(struct snd_aw2_saa7146
73 *chip, int stream_number);
74extern void snd_aw2_saa7146_pcm_trigger_stop_capture(struct snd_aw2_saa7146
75 *chip, int stream_number);
76
77extern void snd_aw2_saa7146_pcm_trigger_start_playback(struct snd_aw2_saa7146
78 *chip,
79 int stream_number);
80extern void snd_aw2_saa7146_pcm_trigger_stop_playback(struct snd_aw2_saa7146
81 *chip, int stream_number);
82
83extern irqreturn_t snd_aw2_saa7146_interrupt(int irq, void *dev_id);
84extern unsigned int snd_aw2_saa7146_get_hw_ptr_playback(struct snd_aw2_saa7146
85 *chip,
86 int stream_number,
87 unsigned char
88 *start_addr,
89 unsigned int
90 buffer_size);
91extern unsigned int snd_aw2_saa7146_get_hw_ptr_capture(struct snd_aw2_saa7146
92 *chip,
93 int stream_number,
94 unsigned char
95 *start_addr,
96 unsigned int
97 buffer_size);
98
99extern void snd_aw2_saa7146_use_digital_input(struct snd_aw2_saa7146 *chip,
100 int use_digital);
101
102extern int snd_aw2_saa7146_is_using_digital_input(struct snd_aw2_saa7146
103 *chip);
104
105#endif