18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-only */ 28c2ecf20Sopenharmony_ci/***************************************************************************** 38c2ecf20Sopenharmony_ci * 48c2ecf20Sopenharmony_ci * Copyright (C) 2008 Cedric Bregardis <cedric.bregardis@free.fr> and 58c2ecf20Sopenharmony_ci * Jean-Christian Hassler <jhassler@free.fr> 68c2ecf20Sopenharmony_ci * 78c2ecf20Sopenharmony_ci * This file is part of the Audiowerk2 ALSA driver 88c2ecf20Sopenharmony_ci * 98c2ecf20Sopenharmony_ci *****************************************************************************/ 108c2ecf20Sopenharmony_ci 118c2ecf20Sopenharmony_ci#ifndef AW2_SAA7146_H 128c2ecf20Sopenharmony_ci#define AW2_SAA7146_H 138c2ecf20Sopenharmony_ci 148c2ecf20Sopenharmony_ci#define NB_STREAM_PLAYBACK 2 158c2ecf20Sopenharmony_ci#define NB_STREAM_CAPTURE 1 168c2ecf20Sopenharmony_ci 178c2ecf20Sopenharmony_ci#define NUM_STREAM_PLAYBACK_ANA 0 188c2ecf20Sopenharmony_ci#define NUM_STREAM_PLAYBACK_DIG 1 198c2ecf20Sopenharmony_ci 208c2ecf20Sopenharmony_ci#define NUM_STREAM_CAPTURE_ANA 0 218c2ecf20Sopenharmony_ci 228c2ecf20Sopenharmony_citypedef void (*snd_aw2_saa7146_it_cb) (void *); 238c2ecf20Sopenharmony_ci 248c2ecf20Sopenharmony_cistruct snd_aw2_saa7146_cb_param { 258c2ecf20Sopenharmony_ci snd_aw2_saa7146_it_cb p_it_callback; 268c2ecf20Sopenharmony_ci void *p_callback_param; 278c2ecf20Sopenharmony_ci}; 288c2ecf20Sopenharmony_ci 298c2ecf20Sopenharmony_ci/* definition of the chip-specific record */ 308c2ecf20Sopenharmony_ci 318c2ecf20Sopenharmony_cistruct snd_aw2_saa7146 { 328c2ecf20Sopenharmony_ci void __iomem *base_addr; 338c2ecf20Sopenharmony_ci}; 348c2ecf20Sopenharmony_ci 358c2ecf20Sopenharmony_ciextern void snd_aw2_saa7146_setup(struct snd_aw2_saa7146 *chip, 368c2ecf20Sopenharmony_ci void __iomem *pci_base_addr); 378c2ecf20Sopenharmony_ciextern int snd_aw2_saa7146_free(struct snd_aw2_saa7146 *chip); 388c2ecf20Sopenharmony_ci 398c2ecf20Sopenharmony_ciextern void snd_aw2_saa7146_pcm_init_playback(struct snd_aw2_saa7146 *chip, 408c2ecf20Sopenharmony_ci int stream_number, 418c2ecf20Sopenharmony_ci unsigned long dma_addr, 428c2ecf20Sopenharmony_ci unsigned long period_size, 438c2ecf20Sopenharmony_ci unsigned long buffer_size); 448c2ecf20Sopenharmony_ciextern void snd_aw2_saa7146_pcm_init_capture(struct snd_aw2_saa7146 *chip, 458c2ecf20Sopenharmony_ci int stream_number, 468c2ecf20Sopenharmony_ci unsigned long dma_addr, 478c2ecf20Sopenharmony_ci unsigned long period_size, 488c2ecf20Sopenharmony_ci unsigned long buffer_size); 498c2ecf20Sopenharmony_ciextern void snd_aw2_saa7146_define_it_playback_callback(unsigned int 508c2ecf20Sopenharmony_ci stream_number, 518c2ecf20Sopenharmony_ci snd_aw2_saa7146_it_cb 528c2ecf20Sopenharmony_ci p_it_callback, 538c2ecf20Sopenharmony_ci void *p_callback_param); 548c2ecf20Sopenharmony_ciextern void snd_aw2_saa7146_define_it_capture_callback(unsigned int 558c2ecf20Sopenharmony_ci stream_number, 568c2ecf20Sopenharmony_ci snd_aw2_saa7146_it_cb 578c2ecf20Sopenharmony_ci p_it_callback, 588c2ecf20Sopenharmony_ci void *p_callback_param); 598c2ecf20Sopenharmony_ciextern void snd_aw2_saa7146_pcm_trigger_start_capture(struct snd_aw2_saa7146 608c2ecf20Sopenharmony_ci *chip, int stream_number); 618c2ecf20Sopenharmony_ciextern void snd_aw2_saa7146_pcm_trigger_stop_capture(struct snd_aw2_saa7146 628c2ecf20Sopenharmony_ci *chip, int stream_number); 638c2ecf20Sopenharmony_ci 648c2ecf20Sopenharmony_ciextern void snd_aw2_saa7146_pcm_trigger_start_playback(struct snd_aw2_saa7146 658c2ecf20Sopenharmony_ci *chip, 668c2ecf20Sopenharmony_ci int stream_number); 678c2ecf20Sopenharmony_ciextern void snd_aw2_saa7146_pcm_trigger_stop_playback(struct snd_aw2_saa7146 688c2ecf20Sopenharmony_ci *chip, int stream_number); 698c2ecf20Sopenharmony_ci 708c2ecf20Sopenharmony_ciextern irqreturn_t snd_aw2_saa7146_interrupt(int irq, void *dev_id); 718c2ecf20Sopenharmony_ciextern unsigned int snd_aw2_saa7146_get_hw_ptr_playback(struct snd_aw2_saa7146 728c2ecf20Sopenharmony_ci *chip, 738c2ecf20Sopenharmony_ci int stream_number, 748c2ecf20Sopenharmony_ci unsigned char 758c2ecf20Sopenharmony_ci *start_addr, 768c2ecf20Sopenharmony_ci unsigned int 778c2ecf20Sopenharmony_ci buffer_size); 788c2ecf20Sopenharmony_ciextern unsigned int snd_aw2_saa7146_get_hw_ptr_capture(struct snd_aw2_saa7146 798c2ecf20Sopenharmony_ci *chip, 808c2ecf20Sopenharmony_ci int stream_number, 818c2ecf20Sopenharmony_ci unsigned char 828c2ecf20Sopenharmony_ci *start_addr, 838c2ecf20Sopenharmony_ci unsigned int 848c2ecf20Sopenharmony_ci buffer_size); 858c2ecf20Sopenharmony_ci 868c2ecf20Sopenharmony_ciextern void snd_aw2_saa7146_use_digital_input(struct snd_aw2_saa7146 *chip, 878c2ecf20Sopenharmony_ci int use_digital); 888c2ecf20Sopenharmony_ci 898c2ecf20Sopenharmony_ciextern int snd_aw2_saa7146_is_using_digital_input(struct snd_aw2_saa7146 908c2ecf20Sopenharmony_ci *chip); 918c2ecf20Sopenharmony_ci 928c2ecf20Sopenharmony_ci#endif 93