/** * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved. * * This source file is released under GPL v2 license (no other versions). * See the COPYING file included in the main directory of this source * distribution for the license terms and conditions. * * @File ctatc.h * * @Brief * This file contains the definition of the device resource management object. * * @Author Liu Chun * @Date Mar 28 2008 * */ #ifndef CTATC_H #define CTATC_H #include <linux/types.h> #include <linux/mutex.h> #include <linux/pci.h> #include <linux/timer.h> #include <sound/core.h> #include "ctvmem.h" #include "ctresource.h" enum CTALSADEVS { /* Types of alsa devices */ FRONT, SURROUND, CLFE, SIDE, IEC958, MIXER, NUM_CTALSADEVS /* This should always be the last */ }; struct ct_atc_chip_sub_details { u16 subsys; const char *nm_model; }; struct ct_atc_chip_details { u16 vendor; u16 device; const struct ct_atc_chip_sub_details *sub_details; const char *nm_card; }; struct ct_atc; struct ct_timer; struct ct_timer_instance; /* alsa pcm stream descriptor */ struct ct_atc_pcm { struct snd_pcm_substream *substream; void (*interrupt)(struct ct_atc_pcm *apcm); struct ct_timer_instance *timer; unsigned int started:1; /* Only mono and interleaved modes are supported now. */ struct ct_vm_block *vm_block; void *src; /* SRC for interacting with host memory */ void **srccs; /* SRCs for sample rate conversion */ void **srcimps; /* SRC Input Mappers */ void **amixers; /* AMIXERs for routing converted data */ void *mono; /* A SUM resource for mixing chs to one */ unsigned char n_srcc; /* Number of converting SRCs */ unsigned char n_srcimp; /* Number of SRC Input Mappers */ unsigned char n_amixer; /* Number of AMIXERs */ }; /* Chip resource management object */ struct ct_atc { struct pci_dev *pci; struct snd_card *card; unsigned int rsr; /* reference sample rate in Hz */ unsigned int msr; /* master sample rate in rsr */ unsigned int pll_rate; /* current rate of Phase Lock Loop */ int chip_type; int model; const char *chip_name; const char *model_name; struct ct_vm *vm; /* device virtual memory manager for this card */ int (*map_audio_buffer)(struct ct_atc *atc, struct ct_atc_pcm *apcm); void (*unmap_audio_buffer)(struct ct_atc *atc, struct ct_atc_pcm *apcm); unsigned long (*get_ptp_phys)(struct ct_atc *atc, int index); struct mutex atc_mutex; int (*pcm_playback_prepare)(struct ct_atc *atc, struct ct_atc_pcm *apcm); int (*pcm_playback_start)(struct ct_atc *atc, struct ct_atc_pcm *apcm); int (*pcm_playback_stop)(struct ct_atc *atc, struct ct_atc_pcm *apcm); int (*pcm_playback_position)(struct ct_atc *atc, struct ct_atc_pcm *apcm); int (*spdif_passthru_playback_prepare)(struct ct_atc *atc, struct ct_atc_pcm *apcm); int (*pcm_capture_prepare)(struct ct_atc *atc, struct ct_atc_pcm *apcm); int (*pcm_capture_start)(struct ct_atc *atc, struct ct_atc_pcm *apcm); int (*pcm_capture_stop)(struct ct_atc *atc, struct ct_atc_pcm *apcm); int (*pcm_capture_position)(struct ct_atc *atc, struct ct_atc_pcm *apcm); int (*pcm_release_resources)(struct ct_atc *atc, struct ct_atc_pcm *apcm); int (*select_line_in)(struct ct_atc *atc); int (*select_mic_in)(struct ct_atc *atc); int (*select_digit_io)(struct ct_atc *atc); int (*line_front_unmute)(struct ct_atc *atc, unsigned char state); int (*line_surround_unmute)(struct ct_atc *atc, unsigned char state); int (*line_clfe_unmute)(struct ct_atc *atc, unsigned char state); int (*line_rear_unmute)(struct ct_atc *atc, unsigned char state); int (*line_in_unmute)(struct ct_atc *atc, unsigned char state); int (*spdif_out_unmute)(struct ct_atc *atc, unsigned char state); int (*spdif_in_unmute)(struct ct_atc *atc, unsigned char state); int (*spdif_out_get_status)(struct ct_atc *atc, unsigned int *status); int (*spdif_out_set_status)(struct ct_atc *atc, unsigned int status); int (*spdif_out_passthru)(struct ct_atc *atc, unsigned char state); int (*have_digit_io_switch)(struct ct_atc *atc); /* Don't touch! Used for internal object. */ void *rsc_mgrs[NUM_RSCTYP]; /* chip resource managers */ void *mixer; /* internal mixer object */ void *hw; /* chip specific hardware access object */ void **daios; /* digital audio io resources */ void **pcm; /* SUMs for collecting all pcm stream */ void **srcs; /* Sample Rate Converters for input signal */ void **srcimps; /* input mappers for SRCs */ unsigned char n_daio; unsigned char n_src; unsigned char n_srcimp; unsigned char n_pcm; struct ct_timer *timer; }; int __devinit ct_atc_create(struct snd_card *card, struct pci_dev *pci, unsigned int rsr, unsigned int msr, int chip_type, struct ct_atc **ratc); int __devinit ct_atc_create_alsa_devs(struct ct_atc *atc); #endif /* CTATC_H */