linux-imx

// SPDX-License-Identifier: GPL-2.0-or-later

/* exynos_drm_vidi.c

 *

 * Copyright (C) 2012 Samsung Electronics Co.Ltd

 * Authors:

 *  Inki Dae <inki.dae@samsung.com>

 */

#include <drm/drmP.h>

​

#include <linux/kernel.h>

#include <linux/platform_device.h>

#include <linux/component.h>

#include <linux/timer.h>

​

#include <drm/exynos_drm.h>

​

#include <drm/drm_atomic_helper.h>

#include <drm/drm_edid.h>

#include <drm/drm_probe_helper.h>

​

#include "exynos_drm_drv.h"

#include "exynos_drm_crtc.h"

#include "exynos_drm_fb.h"

#include "exynos_drm_plane.h"

#include "exynos_drm_vidi.h"

​

/* VIDI uses fixed refresh rate of 50Hz */

#define VIDI_REFRESH_TIME (1000 / 50)

​

/* vidi has totally three virtual windows. */

#define WINDOWS_NR      3

​

#define ctx_from_connector(c)   container_of(c, struct vidi_context, \

                    connector)

​

struct vidi_context {

    struct drm_encoder      encoder;

    struct drm_device       *drm_dev;

    struct device           *dev;

    struct exynos_drm_crtc      *crtc;

    struct drm_connector        connector;

    struct exynos_drm_plane     planes[WINDOWS_NR];

    struct edid         *raw_edid;

    unsigned int            clkdiv;

    unsigned int            connected;

    bool                suspended;

    struct timer_list       timer;

    struct mutex            lock;

};

​

static inline struct vidi_context *encoder_to_vidi(struct drm_encoder *e)

{

    return container_of(e, struct vidi_context, encoder);

}

​

static const char fake_edid_info[] = {

    0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x4c, 0x2d, 0x05, 0x05,

    0x00, 0x00, 0x00, 0x00, 0x30, 0x12, 0x01, 0x03, 0x80, 0x10, 0x09, 0x78,

    0x0a, 0xee, 0x91, 0xa3, 0x54, 0x4c, 0x99, 0x26, 0x0f, 0x50, 0x54, 0xbd,

    0xee, 0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,

    0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x66, 0x21, 0x50, 0xb0, 0x51, 0x00,

    0x1b, 0x30, 0x40, 0x70, 0x36, 0x00, 0xa0, 0x5a, 0x00, 0x00, 0x00, 0x1e,

    0x01, 0x1d, 0x00, 0x72, 0x51, 0xd0, 0x1e, 0x20, 0x6e, 0x28, 0x55, 0x00,

    0xa0, 0x5a, 0x00, 0x00, 0x00, 0x1e, 0x00, 0x00, 0x00, 0xfd, 0x00, 0x18,

    0x4b, 0x1a, 0x44, 0x17, 0x00, 0x0a, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,

    0x00, 0x00, 0x00, 0xfc, 0x00, 0x53, 0x41, 0x4d, 0x53, 0x55, 0x4e, 0x47,

    0x0a, 0x20, 0x20, 0x20, 0x20, 0x20, 0x01, 0xbc, 0x02, 0x03, 0x1e, 0xf1,

    0x46, 0x84, 0x05, 0x03, 0x10, 0x20, 0x22, 0x23, 0x09, 0x07, 0x07, 0x83,

    0x01, 0x00, 0x00, 0xe2, 0x00, 0x0f, 0x67, 0x03, 0x0c, 0x00, 0x10, 0x00,

    0xb8, 0x2d, 0x01, 0x1d, 0x80, 0x18, 0x71, 0x1c, 0x16, 0x20, 0x58, 0x2c,

    0x25, 0x00, 0xa0, 0x5a, 0x00, 0x00, 0x00, 0x9e, 0x8c, 0x0a, 0xd0, 0x8a,

    0x20, 0xe0, 0x2d, 0x10, 0x10, 0x3e, 0x96, 0x00, 0xa0, 0x5a, 0x00, 0x00,

    0x00, 0x18, 0x02, 0x3a, 0x80, 0x18, 0x71, 0x38, 0x2d, 0x40, 0x58, 0x2c,

    0x45, 0x00, 0xa0, 0x5a, 0x00, 0x00, 0x00, 0x1e, 0x00, 0x00, 0x00, 0x00,

    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,

    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,

    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,

    0x00, 0x00, 0x00, 0x06

};

​

static const uint32_t formats[] = {

    DRM_FORMAT_XRGB8888,

    DRM_FORMAT_ARGB8888,

    DRM_FORMAT_NV12,

};

​

static const enum drm_plane_type vidi_win_types[WINDOWS_NR] = {

    DRM_PLANE_TYPE_PRIMARY,

    DRM_PLANE_TYPE_OVERLAY,

    DRM_PLANE_TYPE_CURSOR,

};

​