/*      $NetBSD: imx51_ipuv3var.h,v 1.3 2015/12/21 04:26:28 hkenken Exp $       */

/*
 * Copyright (c) 2009, 2011, 2012  Genetec Corporation.  All rights reserved.
 * Written by Hashimoto Kenichi for Genetec Corporation.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY GENETEC CORPORATION ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL GENETEC CORPORATION
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _ARM_IMX_IMX51_IPUV3_H
#define _ARM_IMX_IMX51_IPUV3_H

#include <dev/wscons/wsconsio.h>
#include <dev/wscons/wsdisplayvar.h>

#include <sys/bus.h>

/* IPUV3 Contoroller */
struct imx51_ipuv3_screen {
        LIST_ENTRY(imx51_ipuv3_screen) link;

        /* Frame buffer */
        bus_dmamap_t dma;
        bus_dma_segment_t segs[1];
        int     nsegs;
        size_t  buf_size;
        size_t  map_size;
        void    *buf_va;
        int     depth;
        int     stride;

        /* DMA frame descriptor */
        struct  ipuv3_dma_descriptor *dma_desc;
        paddr_t dma_desc_pa;
};

struct lcd_panel_geometry {
        int depth;

        short panel_width;
        short panel_height;

        uint32_t pixel_clk;

        short hsync_width;
        short left;
        short right;

        short vsync_width;
        short upper;
        short lower;

        short panel_info;
#define IPUV3PANEL_SHARP        (1<<0)          /* sharp panel */
        uint32_t panel_sig_pol;
};

struct imx51_ipuv3_softc {
        device_t                dev;

        /* control register */
        bus_space_tag_t         iot;
        bus_space_handle_t      cm_ioh;         /* CM */
        bus_space_handle_t      dmfc_ioh;       /* DMFC */
        bus_space_handle_t      di0_ioh;        /* DI 0 */
        bus_space_handle_t      dp_ioh;         /* DP */
        bus_space_handle_t      dc_ioh;         /* DC */
        bus_space_handle_t      idmac_ioh;      /* IDMAC */
        bus_space_handle_t      cpmem_ioh;      /* CPMEM */
        bus_space_handle_t      dctmpl_ioh;     /* DCTMPL */
        bus_dma_tag_t           dma_tag;

        uint32_t                flags;
#define FLAG_NOUSE_ACBIAS       (1U<<0)

        const struct lcd_panel_geometry *geometry;

        int n_screens;
        LIST_HEAD(, imx51_ipuv3_screen) screens;
        struct imx51_ipuv3_screen *active;
        void *ih;                       /* interrupt handler */

        device_t                fbdev;
};

struct imx51_ipuv3_softc;

void    imx51_ipuv3_attach_sub(struct imx51_ipuv3_softc *,
    struct axi_attach_args *, const struct lcd_panel_geometry *);
int     imx51_ipuv3_cnattach(bool);
void    imx51_ipuv3_start_dma(struct imx51_ipuv3_softc *,
            struct imx51_ipuv3_screen *);

void    imx51_ipuv3_geometry(struct imx51_ipuv3_softc *,
            const struct lcd_panel_geometry *);
int     imx51_ipuv3_new_screen(struct imx51_ipuv3_softc *,
            struct imx51_ipuv3_screen **);

int     imx51_ipuv3_show_screen(void *, void *, int, void (*)(void *, int, int),
            void *);

#endif /* _ARM_IMX_IMX51_IPUV3_H */