/*
* Copyright (C) 2011 Samsung Electronics Co.Ltd
* Authors:
* Seung-Woo Kim <sw0312.kim@samsung.com>
* Inki Dae <inki.dae@samsung.com>
* Joonyoung Shim <jy0922.shim@samsung.com>
*
* Based on drivers/media/video/s5p-tv/mixer_reg.c
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
*/
#include <drm/drmP.h>
#include "regs-mixer.h"
#include "regs-vp.h"
#include <linux/kernel.h>
#include <linux/spinlock.h>
#include <linux/wait.h>
#include <linux/i2c.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/delay.h>
#include <linux/pm_runtime.h>
#include <linux/clk.h>
#include <linux/regulator/consumer.h>
#include <drm/exynos_drm.h>
#include "exynos_drm_drv.h"
#include "exynos_drm_crtc.h"
#include "exynos_drm_hdmi.h"
#include "exynos_drm_iommu.h"
#define get_mixer_context(dev) platform_get_drvdata(to_platform_device(dev))
struct hdmi_win_data {
dma_addr_t dma_addr;
dma_addr_t chroma_dma_addr;
uint32_t pixel_format;
unsigned int bpp;
unsigned int crtc_x;
unsigned int crtc_y;
unsigned int crtc_width;
unsigned int crtc_height;
unsigned int fb_x;
unsigned int fb_y;
unsigned int fb_width;
unsigned int fb_height;
unsigned int src_width;
unsigned int src_height;
unsigned int mode_width;
unsigned int mode_height;
unsigned int scan_flags;
bool enabled;
bool resume;
};
struct mixer_resources {
int irq;
void __iomem *mixer_regs;
void __iomem *vp_regs;
spinlock_t reg_slock;
struct clk *mixer;
struct clk *vp;
struct clk *sclk_mixer;
struct clk *sclk_hdmi;
struct clk *sclk_dac;
};
enum mixer_version_id {
MXR_VER_0_0_0_16,
MXR_VER_16_0_33_0,
};
struct mixer_context {
struct device *dev;
struct drm_device *drm_dev;
int pipe;
bool interlace;
bool powered;
bool vp_enabled;
u32 int_en;
struct mutex mixer_mutex;
struct mixer_resources mixer_res;
struct hdmi_win_data win_data[MIXER_WIN_NR];
enum mixer_version_id mxr_ver;
void *parent_ctx;
wait_queue_head_t wait_vsync_queue;
atomic_t wait_vsync_event;
};
struct mixer_drv_data {
enum mixer_version_id version;
bool is_vp_enabled;
};
static const u8 filter_y_horiz_tap8[] = {
0, -1, -1, -1