1 /* SPDX-License-Identifier: GPL-2.0-only */ <<
2 /********************************************* 1 /*****************************************************************************
3 * 2 *
4 * Copyright (C) 2008 Cedric Bregardis <cedric 3 * Copyright (C) 2008 Cedric Bregardis <cedric.bregardis@free.fr> and
5 * Jean-Christian Hassler <jhassler@free.fr> 4 * Jean-Christian Hassler <jhassler@free.fr>
6 * 5 *
7 * This file is part of the Audiowerk2 ALSA dr 6 * This file is part of the Audiowerk2 ALSA driver
8 * 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 *
9 ********************************************* 22 *****************************************************************************/
10 23
11 #ifndef AW2_SAA7146_H 24 #ifndef AW2_SAA7146_H
12 #define AW2_SAA7146_H 25 #define AW2_SAA7146_H
13 26
14 #define NB_STREAM_PLAYBACK 2 27 #define NB_STREAM_PLAYBACK 2
15 #define NB_STREAM_CAPTURE 1 28 #define NB_STREAM_CAPTURE 1
16 29
17 #define NUM_STREAM_PLAYBACK_ANA 0 30 #define NUM_STREAM_PLAYBACK_ANA 0
18 #define NUM_STREAM_PLAYBACK_DIG 1 31 #define NUM_STREAM_PLAYBACK_DIG 1
19 32
20 #define NUM_STREAM_CAPTURE_ANA 0 33 #define NUM_STREAM_CAPTURE_ANA 0
21 34
22 struct snd_pcm_substream; !! 35 typedef void (*snd_aw2_saa7146_it_cb) (void *);
23 typedef void (*snd_aw2_saa7146_it_cb) (struct <<
24 36
25 struct snd_aw2_saa7146_cb_param { 37 struct snd_aw2_saa7146_cb_param {
26 snd_aw2_saa7146_it_cb p_it_callback; 38 snd_aw2_saa7146_it_cb p_it_callback;
27 struct snd_pcm_substream *p_callback_p !! 39 void *p_callback_param;
28 }; 40 };
29 41
30 /* definition of the chip-specific record */ 42 /* definition of the chip-specific record */
31 43
32 struct snd_aw2_saa7146 { 44 struct snd_aw2_saa7146 {
33 void __iomem *base_addr; 45 void __iomem *base_addr;
34 }; 46 };
35 47
36 extern void snd_aw2_saa7146_setup(struct snd_a 48 extern void snd_aw2_saa7146_setup(struct snd_aw2_saa7146 *chip,
37 void __iomem 49 void __iomem *pci_base_addr);
38 extern int snd_aw2_saa7146_free(struct snd_aw2 50 extern int snd_aw2_saa7146_free(struct snd_aw2_saa7146 *chip);
39 51
40 extern void snd_aw2_saa7146_pcm_init_playback( 52 extern void snd_aw2_saa7146_pcm_init_playback(struct snd_aw2_saa7146 *chip,
41 53 int stream_number,
42 54 unsigned long dma_addr,
43 55 unsigned long period_size,
44 56 unsigned long buffer_size);
45 extern void snd_aw2_saa7146_pcm_init_capture(s 57 extern void snd_aw2_saa7146_pcm_init_capture(struct snd_aw2_saa7146 *chip,
46 i 58 int stream_number,
47 u 59 unsigned long dma_addr,
48 u 60 unsigned long period_size,
49 u 61 unsigned long buffer_size);
50 extern void snd_aw2_saa7146_define_it_playback 62 extern void snd_aw2_saa7146_define_it_playback_callback(unsigned int
51 63 stream_number,
52 64 snd_aw2_saa7146_it_cb
53 65 p_it_callback,
54 66 void *p_callback_param);
55 extern void snd_aw2_saa7146_define_it_capture_ 67 extern void snd_aw2_saa7146_define_it_capture_callback(unsigned int
56 68 stream_number,
57 69 snd_aw2_saa7146_it_cb
58 70 p_it_callback,
59 71 void *p_callback_param);
60 extern void snd_aw2_saa7146_pcm_trigger_start_ 72 extern void snd_aw2_saa7146_pcm_trigger_start_capture(struct snd_aw2_saa7146
61 73 *chip, int stream_number);
62 extern void snd_aw2_saa7146_pcm_trigger_stop_c 74 extern void snd_aw2_saa7146_pcm_trigger_stop_capture(struct snd_aw2_saa7146
63 75 *chip, int stream_number);
64 76
65 extern void snd_aw2_saa7146_pcm_trigger_start_ 77 extern void snd_aw2_saa7146_pcm_trigger_start_playback(struct snd_aw2_saa7146
66 78 *chip,
67 79 int stream_number);
68 extern void snd_aw2_saa7146_pcm_trigger_stop_p 80 extern void snd_aw2_saa7146_pcm_trigger_stop_playback(struct snd_aw2_saa7146
69 81 *chip, int stream_number);
70 82
71 extern irqreturn_t snd_aw2_saa7146_interrupt(i 83 extern irqreturn_t snd_aw2_saa7146_interrupt(int irq, void *dev_id);
72 extern unsigned int snd_aw2_saa7146_get_hw_ptr 84 extern unsigned int snd_aw2_saa7146_get_hw_ptr_playback(struct snd_aw2_saa7146
73 85 *chip,
74 86 int stream_number,
75 87 unsigned char
76 88 *start_addr,
77 89 unsigned int
78 90 buffer_size);
79 extern unsigned int snd_aw2_saa7146_get_hw_ptr 91 extern unsigned int snd_aw2_saa7146_get_hw_ptr_capture(struct snd_aw2_saa7146
80 92 *chip,
81 93 int stream_number,
82 94 unsigned char
83 95 *start_addr,
84 96 unsigned int
85 97 buffer_size);
86 98
87 extern void snd_aw2_saa7146_use_digital_input( 99 extern void snd_aw2_saa7146_use_digital_input(struct snd_aw2_saa7146 *chip,
88 100 int use_digital);
89 101
90 extern int snd_aw2_saa7146_is_using_digital_in 102 extern int snd_aw2_saa7146_is_using_digital_input(struct snd_aw2_saa7146
91 103 *chip);
92 104
93 #endif 105 #endif
94 106
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.