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/*
* Driver for Digigram VX soundcards
*
* Hardware core part
*
* Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __SOUND_VX_COMMON_H
#define __SOUND_VX_COMMON_H
#include <sound/pcm.h>
#include <sound/hwdep.h>
#include <linux/interrupt.h>
#if defined(CONFIG_FW_LOADER) || defined(CONFIG_FW_LOADER_MODULE)
#if !defined(CONFIG_USE_VXLOADER) && !defined(CONFIG_SND_VX_LIB) /* built-in kernel */
#define SND_VX_FW_LOADER /* use the standard firmware loader */
#endif
#endif
struct firmware;
struct device;
typedef struct snd_vx_core vx_core_t;
typedef struct vx_pipe vx_pipe_t;
#define VX_DRIVER_VERSION 0x010000 /* 1.0.0 */
/*
*/
#define SIZE_MAX_CMD 0x10
#define SIZE_MAX_STATUS 0x10
struct vx_rmh {
u16 LgCmd; /* length of the command to send (WORDs) */
u16 LgStat; /* length of the status received (WORDs) */
u32 Cmd[SIZE_MAX_CMD];
u32 Stat[SIZE_MAX_STATUS];
u16 DspStat; /* status type, RMP_SSIZE_XXX */
};
typedef u64 pcx_time_t;
#define VX_MAX_PIPES 16
#define VX_MAX_PERIODS 32
#define VX_MAX_CODECS 2
struct vx_ibl_info {
int size; /* the current IBL size (0 = query) in bytes */
int max_size; /* max. IBL size in bytes */
int min_size; /* min. IBL size in bytes */
int granularity; /* granularity */
};
struct vx_pipe {
int number;
unsigned int is_capture: 1;
unsigned int data_mode: 1;
unsigned int running: 1;
unsigned int prepared: 1;
int channels;
unsigned int differed_type;
pcx_time_t pcx_time;
snd_pcm_substream_t *substream;
int hbuf_size; /* H-buffer size in bytes */
int buffer_bytes; /* the ALSA pcm buffer size in bytes */
int period_bytes; /* the ALSA pcm period size in bytes */
int hw_ptr; /* the current hardware pointer in bytes */
int position; /* the current position in frames (playback only) */
int transferred; /* the transferred size (per period) in frames */
int align; /* size of alignment */
u64 cur_count; /* current sample position (for playback) */
unsigned int references; /* an output pipe may be used for monitoring and/or playback */
vx_pipe_t *monitoring_pipe; /* pointer to the monitoring pipe (capture pipe only)*/
struct tasklet_struct start_tq;
};
struct snd_vx_ops {
/* low-level i/o */
unsigned char (*in8)(vx_core_t *chip, int reg);
unsigned int (*in32)(vx_core_t *chip, int reg);
void (*out8)(vx_core_t *chip, int reg, unsigned char val);
void (*out32)(vx_core_t *chip, int reg, unsigned int val);
/* irq */
int (*test_and_ack)(vx_core_t *chip);
void (*validate_irq)(vx_core_t *chip, int enable);
/* codec */
void (*write_codec)(vx_core_t *chip, int codec, unsigned int data);
void (*akm_write)(vx_core_t *chip, int reg, unsigned int data);
void (*reset_codec)(vx_core_t *chip);
void (*change_audio_source)(vx_core_t *chip, int src);
void (*set_clock_source)(vx_core_t *chp, int src);
/* chip init */
int (*load_dsp)(vx_core_t *chip, int idx, const struct firmware *fw);
void (*reset_dsp)(vx_core_t *chip);
void (*reset_board)(vx_core_t *chip, int cold_reset);
int (*add_controls)(vx_core_t *chip);
/* pcm */
void (*dma_write)(vx_core_t *chip, snd_pcm_runtime_t *runtime,
vx_pipe_t *pipe, int count);
void (*dma_read)(vx_core_t *chip, snd_pcm_runtime_t *runtime,
vx_pipe_t *pipe, int count);
};
struct snd_vx_hardware {
const char *name;
int type; /* VX_TYPE_XXX */
/* hardware specs */
unsigned int num_codecs;
unsigned int num_ins;
unsigned int num_outs;
unsigned int output_level_max;
};
/* hwdep id string */
#define SND_VX_HWDEP_ID "VX Loader"
/* hardware type */
enum {
/* VX222 PCI */
VX_TYPE_BOARD, /* old VX222 PCI */
VX_TYPE_V2, /* VX222 V2 PCI */
VX_TYPE_MIC, /* VX222 Mic PCI */
/* VX-pocket */
VX_TYPE_VXPOCKET, /* VXpocket V2 */
VX_TYPE_VXP440, /* VXpocket 440 */
VX_TYPE_NUMS
};
/* chip status */
enum {
VX_STAT_XILINX_LOADED = (1 << 0), /* devices are registered */
VX_STAT_DEVICE_INIT = (1 << 1), /* devices are registered */
VX_STAT_CHIP_INIT = (1 << 2), /* all operational */
VX_STAT_IN_SUSPEND = (1 << 10), /* in suspend phase */
VX_STAT_IS_STALE = (1 << 15) /* device is stale */
};
/* min/max values for analog output for old codecs */
#define VX_ANALOG_OUT_LEVEL_MAX 0xe3
struct snd_vx_core {
/* ALSA stuff */
snd_card_t *card;
snd_pcm_t *pcm[VX_MAX_CODECS];
int type; /* VX_TYPE_XXX */
int irq;
/* ports are defined externally */
/* low-level functions */
struct snd_vx_hardware *hw;
struct snd_vx_ops *ops;
spinlock_t lock;
spinlock_t irq_lock;
struct tasklet_struct tq;
unsigned int chip_status;
unsigned int pcm_running;
struct device *dev;
snd_hwdep_t *hwdep;
struct vx_rmh irq_rmh; /* RMH used in interrupts */
unsigned int audio_info; /* see VX_AUDIO_INFO */
unsigned int audio_ins;
unsigned int audio_outs;
struct vx_pipe **playback_pipes;
struct vx_pipe **capture_pipes;
/* clock and audio sources */
unsigned int audio_source; /* current audio input source */
unsigned int audio_source_target;
unsigned int clock_mode; /* clock mode (VX_CLOCK_MODE_XXX) */
unsigned int clock_source; /* current clock source (INTERNAL_QUARTZ or UER_SYNC) */
unsigned int freq; /* current frequency */
unsigned int freq_detected; /* detected frequency from digital in */
unsigned int uer_detected; /* VX_UER_MODE_XXX */
unsigned int uer_bits; /* IEC958 status bits */
struct vx_ibl_info ibl; /* IBL information */
/* mixer setting */
int output_level[VX_MAX_CODECS][2]; /* analog output level */
int audio_gain[2][4]; /* digital audio level (playback/capture) */
unsigned char audio_active[4]; /* mute/unmute on digital playback */
int audio_monitor[4]; /* playback hw-monitor level */
unsigned char audio_monitor_active[4]; /* playback hw-monitor mute/unmute */
struct semaphore mixer_mutex;
const struct firmware *firmware[4]; /* loaded firmware data */
};
/*
* constructor
*/
vx_core_t *snd_vx_create(snd_card_t *card, struct snd_vx_hardware *hw,
struct snd_vx_ops *ops, int extra_size);
int snd_vx_setup_firmware(vx_core_t *chip);
int snd_vx_load_boot_image(vx_core_t *chip, const struct firmware *dsp);
int snd_vx_dsp_boot(vx_core_t *chip, const struct firmware *dsp);
int snd_vx_dsp_load(vx_core_t *chip, const struct firmware *dsp);
void snd_vx_free_firmware(vx_core_t *chip);
/*
* interrupt handler; exported for pcmcia
*/
irqreturn_t snd_vx_irq_handler(int irq, void *dev, struct pt_regs *regs);
/*
* lowlevel functions
*/
static inline int vx_test_and_ack(vx_core_t *chip)
{
snd_assert(chip->ops->test_and_ack, return -ENXIO);
return chip->ops->test_and_ack(chip);
}
static inline void vx_validate_irq(<
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