rt-thread-official/bsp/fh8620/drivers/acw.h

/*
 *  This file is part of FH8620 BSP for RT-Thread distribution.
 *
 *  Copyright (c) 2016 Shanghai Fullhan Microelectronics Co., Ltd.
 *  All rights reserved
 *
 *  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.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 *  Visit http://www.fullhan.com to get contact with Fullhan.
 *
 * Change Logs:
 * Date           Author       Notes
 */

#ifndef ACW_H_
#define ACW_H_
#include <rtthread.h>
#include <rtdevice.h>
#ifdef RT_USING_DFS
#include <dfs_fs.h>
#endif
#include <rthw.h>
#define ACW_CAP_DMA_CHAN 2
#define ACW_PLY_DMA_CHAN 3
typedef unsigned long long dma_addr_t;
struct scatterlist {
#ifdef CONFIG_DEBUG_SG
    unsigned long   sg_magic;
#endif
    unsigned long   page_link;
    unsigned int    offset;
    unsigned int    length;
    dma_addr_t  dma_address;
#ifdef CONFIG_NEED_SG_DMA_LENGTH
    unsigned int    dma_length;
#endif
};
#define readl(a)          (*(volatile rt_uint32_t   *)(a))
#define rkqueue_struct      rt_workqueue
#define work_struct             rt_work
#define INIT_WORK(work,func)    rt_work_init(work,func,RT_NULL);
#define queue_work              rt_workqueue_dowork


//timer
#define timer_list              rt_timer
#define wait_queue_head_t               struct rt_event
#define init_waitqueue_head(event_t)        rt_event_init(event_t, "audio_event", RT_IPC_FLAG_FIFO)
typedef enum{
    AC_SR_8K   = 8000,
    AC_SR_16K  = 16000,
    AC_SR_32K  = 32000,
    AC_SR_441K = 44100,
    AC_SR_48K  = 48000,
} FH_AC_SAMPLE_RATE_E;

typedef enum{
    AC_BW_8  = 8,
    AC_BW_16 = 16,
    AC_BW_24 = 24,
} FH_AC_BIT_WIDTH_E;

enum io_select{
    mic_in = 0,
    line_in = 1,
    speaker_out = 2,
    line_out = 3,
};

struct fh_audio_cfg_arg{
    enum io_select io_type;
    int volume;
    int rate;
    int frame_bit;
    int channels;
    int buffer_size;
    int period_size;
};
typedef struct{
    unsigned int len;
    unsigned char *data;
}FH_AC_FRAME_S;

typedef enum{
    FH_AC_MIC_IN = 0,
    FH_AC_LINE_IN = 1,
    FH_AC_SPK_OUT = 2,
    FH_AC_LINE_OUT = 3
}FH_AC_IO_TYPE_E;


typedef struct {
    FH_AC_IO_TYPE_E io_type;
    FH_AC_SAMPLE_RATE_E sample_rate;
    FH_AC_BIT_WIDTH_E bit_width;
    unsigned int channels;
    unsigned int period_size;
    unsigned int volume;
} FH_AC_CONFIG;

struct device_dma_parameters {
    /*
     * a low level driver may set these to teach IOMMU code about
     * sg limitations.
     */
    unsigned int max_segment_size;
    unsigned long segment_boundary_mask;
};

struct list_head {
    struct list_head *next;
    struct list_head *prev;
};
struct dma_coherent_mem {
    void        *virt_base;
    dma_addr_t  device_base;
    int     size;
    int     flags;
    unsigned long   *bitmap;
};
struct device_acw{
    unsigned long long      *dma_mask;  /* dma mask (if dma'able device) */
    unsigned long long      coherent_dma_mask;/* Like dma_mask, but for
                         alloc_coherent mappings as
                         not all hardware supports
                         64 bit addresses for consistent
                         allocations such descriptors. */
    struct device_dma_parameters *dma_parms;

    struct list_head    dma_pools;

    struct dma_coherent_mem *dma_mem;
};
#define false 0
#define true  1



#define AC_INIT_CAPTURE_MEM         0x10
#define AC_INIT_PLAYBACK_MEM        0x11


#define AC_SET_VOL                  0x12
#define AC_SET_INPUT_MODE           0x13
#define AC_SET_OUTPUT_MODE          0x14


#define AC_AI_EN                    0x15
#define AC_AO_EN                    0x16
#define AC_AI_DISABLE               0x17
#define AC_AO_DISABLE               0x18
#define AC_AI_PAUSE                 0x19
#define AC_AI_RESUME                0x1a
#define AC_AO_PAUSE                 0x1b
#define AC_AO_RESUME                0x1c
#define AC_MIC_BOOST                0x1d

#define POLLIN      0x001       /* There is data to read.  */
#define POLLPRI     0x002       /* There is urgent data to read.  */
#define POLLOUT     0x004       /* Writing now will not block.  */


/* These values are defined in XPG4.2.  */
# define POLLRDNORM 0x040       /* Normal data may be read.  */
# define POLLRDBAND 0x080       /* Priority data may be read.  */
# define POLLWRNORM 0x100       /* Writing now will not block.  */
# define POLLWRBAND 0x200       /* Priority data may be written.  */



/* These are extensions for Linux.  */
# define POLLMSG    0x400
# define POLLREMOVE 0x1000
# define POLLRDHUP  0x2000


/* Event types always implicitly polled for.  These bits need not be set in
   `events', but they will appear in `revents' to indicate the status of
   the file descriptor.  */
#define POLLERR     0x008       /* Error condition.  */
#define POLLHUP     0x010       /* Hung up.  */
#define POLLNVAL    0x020       /* Invalid polling request.  */

#define EPERM        1  /* Operation not permitted */
#define ENOENT       2  /* No such file or directory */
#define ESRCH        3  /* No such process */
#define EINTR        4  /* Interrupted system call */
#define EIO      5  /* I/O error */
#define ENXIO        6  /* No such device or address */
#define E2BIG        7  /* Argument list too long */
#define ENOEXEC      8  /* Exec format error */
#define EBADF        9  /* Bad file number */
#define ECHILD      10  /* No child processes */
#define EAGAIN      11  /* Try again */
#define ENOMEM      12  /* Out of memory */
#define EACCES      13  /* Permission denied */
#define EFAULT      14  /* Bad address */
#define ENOTBLK     15  /* Block device required */
#define EBUSY       16  /* Device or resource busy */
#define EEXIST      17  /* File exists */
#define EXDEV       18  /* Cross-device link */
#define ENODEV      19  /* No such device */
#define ENOTDIR     20  /* Not a directory */
#define EISDIR      21  /* Is a directory */
#define EINVAL      22  /* Invalid argument */
#define ENFILE      23  /* File table overflow */
#define EMFILE      24  /* Too many open files */
#define ENOTTY      25  /* Not a typewriter */
#define ETXTBSY     26  /* Text file busy */
#define EFBIG       27  /* File too large */
#define ENOSPC      28  /* No space left on device */
#define ESPIPE      29  /* Illegal seek */
#define EROFS       30  /* Read-only file system */
#define EMLINK      31  /* Too many links */
#define EPIPE       32  /* Broken pipe */
#define EDOM        33  /* Math argument out of domain of func */
#define ERANGE      34  /* Math result not representable */
extern void  fh_audio_init(void);
extern void fh_acw_test();
#endif