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