/* SPDX-License-Identifier: GPL-2.0 */
#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_AUDIO2DJ                0x041c
#define USB_PID_AUDIO4DJ                0x0839
#define USB_PID_AUDIO8DJ                0x1978
#define USB_PID_SESSIONIO               0x1915
#define USB_PID_GUITARRIGMOBILE         0x0d8d
#define USB_PID_TRAKTORKONTROLX1        0x2305
#define USB_PID_TRAKTORKONTROLS4        0xbaff
#define USB_PID_TRAKTORAUDIO2           0x041d
#define USB_PID_MASCHINECONTROLLER  0x0808

#define EP1_BUFSIZE 64
#define EP4_BUFSIZE 512
#define CAIAQ_USB_STR_LEN 0xff
#define MAX_STREAMS 32

#define MODNAME "snd-usb-caiaq"

#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;
} __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;
        int midi_out_active;

        char vendor_name[CAIAQ_USB_STR_LEN];
        char product_name[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, warned;
        char *audio_in_buf, *audio_out_buf;
        unsigned int samplerates, bpp;
        unsigned long outurb_active_mask;

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

        /* Controls */
        unsigned char control_state[256];
        unsigned char ep8_out_buf[2];

        /* Linux input */
#ifdef CONFIG_SND_USB_CAIAQ_INPUT
        struct input_dev *input_dev;
        char phys[64];                  /* physical device path */
        unsigned short keycode[128];
        struct urb *ep4_in_urb;
        unsigned char ep4_in_buf[EP4_BUFSIZE];
#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 *cdev;
        int index;
};

#define caiaqdev(c) ((struct snd_usb_caiaqdev*)(c)->private_data)
#define caiaqdev_to_dev(d)      (d->chip.card->dev)

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

#endif /* CAIAQ_DEVICE_H */