/*      $NetBSD: umcpmio_io.h,v 1.3 2025/11/29 18:39:14 brad Exp $      */

/*
 * Copyright (c) 2024 Brad Spencer <brad@anduin.eldar.org>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef _UMCPMIO_IO_H_
#define _UMCPMIO_IO_H_

#include <sys/types.h>

#include <sys/ioccom.h>

#include <dev/usb/umcpmio_hid_reports.h>

#define UMCPMIO_CHIP_TYPE_2210 0x01
#define UMCPMIO_CHIP_TYPE_2221 0x02

union umcpmio_ioctl_get_status {
        struct mcp2210_status_res mcp2210_status_res;
        struct mcp2221_status_res mcp2221_status_res;
        uint8_t status_blob[UMCPMIO_RES_BUFFER_SIZE];
};

struct umcpmio_ioctl_get_flash {
        uint8_t subcode;
        union {
                struct mcp2210_get_nvram_res mcp2210_get_nvram_res;
                struct mcp2221_get_flash_res mcp2221_get_flash_res;
                uint8_t get_blob[UMCPMIO_RES_BUFFER_SIZE];
        } res;
};

struct umcpmio_ioctl_put_flash {
        uint8_t subcode;
        union {
                struct mcp2210_set_nvram_req mcp2210_set_req;
                struct mcp2221_put_flash_req mcp2221_put_req;
                uint8_t put_req_blob[UMCPMIO_REQ_BUFFER_SIZE];
        } req;
        union {
                struct mcp2210_set_nvram_res mcp2210_set_res;
                struct mcp2221_put_flash_res mcp2221_put_res;
                uint8_t put_res_blob[UMCPMIO_RES_BUFFER_SIZE];
        } res;
};

struct mcp2210_ioctl_get_sram {
        uint8_t cmd;
        uint8_t res[UMCPMIO_RES_BUFFER_SIZE];
};

#define UMCPMIO_GET_STATUS      _IOR('m', 1, union umcpmio_ioctl_get_status)
#define MCP2221_GET_SRAM        _IOR('m', 2, struct mcp2221_get_sram_res)
#define MCP2221_GET_GP_CFG      _IOR('m', 3, struct mcp2221_get_gpio_cfg_res)
#define UMCPMIO_GET_FLASH       _IOWR('m', 4, struct umcpmio_ioctl_get_flash)
#define UMCPMIO_PUT_FLASH       _IOWR('m', 5, struct umcpmio_ioctl_put_flash)
#define UMCPMIO_CHIP_TYPE       _IOR('m', 6, uint8_t)
#define MCP2210_GET_SRAM        _IOWR('m', 7, struct mcp2210_ioctl_get_sram)
#define MCP2210_CANCEL_SPI      _IOR('m', 8, struct mcp2210_cancel_spi_res)

#endif  /* _UMCPMIO_IO_H_ */