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caiaq-device.h

#ifndef CAIAQ_DEVICE_H
#define CAIAQ_DEVICE_H

#include "../usbaudio.h"

#define USB_VID_NATIVEINSTRUMENTS 0x17cc

#define USB_PID_RIGKONTROL2   0x1969
#define USB_PID_RIGKONTROL3   0x1940
#define USB_PID_KORECONTROLLER      0x4711
#define USB_PID_KORECONTROLLER2     0x4712
#define USB_PID_AK1           0x0815
#define USB_PID_AUDIO8DJ      0x1978

#define EP1_BUFSIZE 64
#define CAIAQ_USB_STR_LEN 0xff
#define MAX_STREAMS 32

//#define   SND_USB_CAIAQ_DEBUG

#define MODNAME "snd-usb-caiaq"
#define log(x...) snd_printk(KERN_WARNING MODNAME" log: " x)

#ifdef SND_USB_CAIAQ_DEBUG
#define debug(x...) snd_printk(KERN_WARNING MODNAME " debug: " x)
#else
#define debug(x...) do { } while(0)
#endif

#define EP1_CMD_GET_DEVICE_INFO     0x1
#define EP1_CMD_READ_ERP      0x2
#define EP1_CMD_READ_ANALOG   0x3
#define EP1_CMD_READ_IO       0x4
#define EP1_CMD_WRITE_IO      0x5
#define EP1_CMD_MIDI_READ     0x6
#define EP1_CMD_MIDI_WRITE    0x7
#define EP1_CMD_AUDIO_PARAMS  0x9
#define EP1_CMD_AUTO_MSG      0xb
#define EP1_CMD_DIMM_LEDS       0xc

struct caiaq_device_spec {
      unsigned short fw_version;
      unsigned char hw_subtype;
      unsigned char num_erp;
      unsigned char num_analog_in;
      unsigned char num_digital_in;
      unsigned char num_digital_out;
      unsigned char num_analog_audio_out;
      unsigned char num_analog_audio_in;
      unsigned char num_digital_audio_out;
      unsigned char num_digital_audio_in;
      unsigned char num_midi_out;
      unsigned char num_midi_in;
      unsigned char data_alignment;
} __attribute__ ((packed));

struct snd_usb_caiaq_cb_info;

struct snd_usb_caiaqdev {
      struct snd_usb_audio chip;

      struct urb ep1_in_urb;
      struct urb midi_out_urb;
      struct urb **data_urbs_in;
      struct urb **data_urbs_out;
      struct snd_usb_caiaq_cb_info *data_cb_info;

      unsigned char ep1_in_buf[EP1_BUFSIZE];
      unsigned char ep1_out_buf[EP1_BUFSIZE];
      unsigned char midi_out_buf[EP1_BUFSIZE];

      struct caiaq_device_spec spec;
      spinlock_t spinlock;
      wait_queue_head_t ep1_wait_queue;
      wait_queue_head_t prepare_wait_queue;
      int spec_received, audio_parm_answer;

      char vendor_name[CAIAQ_USB_STR_LEN];
      char product_name[CAIAQ_USB_STR_LEN];
      char serial[CAIAQ_USB_STR_LEN];

      int n_streams, n_audio_in, n_audio_out;
      int streaming, first_packet, output_running;
      int audio_in_buf_pos[MAX_STREAMS];
      int audio_out_buf_pos[MAX_STREAMS];
      int period_in_count[MAX_STREAMS];
      int period_out_count[MAX_STREAMS];
      int input_panic, output_panic;
      char *audio_in_buf, *audio_out_buf;
      unsigned int samplerates;

      struct snd_pcm_substream *sub_playback[MAX_STREAMS];
      struct snd_pcm_substream *sub_capture[MAX_STREAMS];

      /* Controls */
      unsigned char control_state[64];

      /* Linux input */
#ifdef CONFIG_SND_USB_CAIAQ_INPUT
      struct input_dev *input_dev;
      char phys[64];                /* physical device path */
      unsigned short keycode[64];
#endif

      /* ALSA */
      struct snd_pcm *pcm;
      struct snd_pcm_hardware pcm_info;
      struct snd_rawmidi *rmidi;
      struct snd_rawmidi_substream *midi_receive_substream;
      struct snd_rawmidi_substream *midi_out_substream;
};

struct snd_usb_caiaq_cb_info {
      struct snd_usb_caiaqdev *dev;
      int index;
};

#define caiaqdev(c) ((struct snd_usb_caiaqdev*)(c)->private_data)

int snd_usb_caiaq_set_audio_params (struct snd_usb_caiaqdev *dev, int rate, int depth, int bbp);
int snd_usb_caiaq_set_auto_msg (struct snd_usb_caiaqdev *dev, int digital, int analog, int erp);
int snd_usb_caiaq_send_command(struct snd_usb_caiaqdev *dev,
                         unsigned char command,
                         const unsigned char *buffer,
                         int len);

#endif /* CAIAQ_DEVICE_H */

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