projects / deliverable / linux.git / blame
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|---|---|---|
| 98f2a97f CB |
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 | ||
| 35 | typedef void (*snd_aw2_saa7146_it_cb) (void *); | |
| 36 | ||
| 37 | struct 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 | ||
| 44 | struct snd_aw2_saa7146 { | |
| 45 | void __iomem *base_addr; | |
| 46 | }; | |
| 47 | ||
| 48 | extern void snd_aw2_saa7146_setup(struct snd_aw2_saa7146 *chip, | |
| 49 | void __iomem *pci_base_addr); | |
| 50 | extern int snd_aw2_saa7146_free(struct snd_aw2_saa7146 *chip); | |
| 51 | ||
| 52 | extern 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); | |
| 57 | extern 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); | |
| 62 | extern 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); | |
| 67 | extern 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); | |
| 72 | extern void snd_aw2_saa7146_pcm_trigger_start_capture(struct snd_aw2_saa7146 | |
| 73 | *chip, int stream_number); | |
| 74 | extern void snd_aw2_saa7146_pcm_trigger_stop_capture(struct snd_aw2_saa7146 | |
| 75 | *chip, int stream_number); | |
| 76 | ||
| 77 | extern void snd_aw2_saa7146_pcm_trigger_start_playback(struct snd_aw2_saa7146 | |
| 78 | *chip, | |
| 79 | int stream_number); | |
| 80 | extern void snd_aw2_saa7146_pcm_trigger_stop_playback(struct snd_aw2_saa7146 | |
| 81 | *chip, int stream_number); | |
| 82 | ||
| 83 | extern irqreturn_t snd_aw2_saa7146_interrupt(int irq, void *dev_id); | |
| 84 | extern 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); | |
| 91 | extern 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 | ||
| 99 | extern void snd_aw2_saa7146_use_digital_input(struct snd_aw2_saa7146 *chip, | |
| 100 | int use_digital); | |
| 101 | ||
| 102 | extern int snd_aw2_saa7146_is_using_digital_input(struct snd_aw2_saa7146 | |
| 103 | *chip); | |
| 104 | ||
| 105 | #endif |