// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2011 Samsung Electronics Co.Ltd * Authors: * Seung-Woo Kim <[email protected]> * Inki Dae <[email protected]> * Joonyoung Shim <[email protected]> * * Based on drivers/media/video/s5p-tv/mixer_reg.c */ #include <linux/clk.h> #include <linux/component.h> #include <linux/delay.h> #include <linux/i2c.h> #include <linux/interrupt.h> #include <linux/irq.h> #include <linux/kernel.h> #include <linux/ktime.h> #include <linux/of.h> #include <linux/platform_device.h> #include <linux/pm_runtime.h> #include <linux/regulator/consumer.h> #include <linux/spinlock.h> #include <linux/wait.h> #include <drm/drm_blend.h> #include <drm/drm_edid.h> #include <drm/drm_fourcc.h> #include <drm/drm_framebuffer.h> #include <drm/drm_vblank.h> #include <drm/exynos_drm.h> #include "exynos_drm_crtc.h" #include "exynos_drm_drv.h" #include "exynos_drm_fb.h" #include "exynos_drm_plane.h" #include "regs-mixer.h" #include "regs-vp.h" #define MIXER_WIN_NR … #define VP_DEFAULT_WIN … /* * Mixer color space conversion coefficient triplet. * Used for CSC from RGB to YCbCr. * Each coefficient is a 10-bit fixed point number with * sign and no integer part, i.e. * [0:8] = fractional part (representing a value y = x / 2^9) * [9] = sign * Negative values are encoded with two's complement. */ #define MXR_CSC_C(x) … #define MXR_CSC_CT(a0, a1, a2) … /* YCbCr value, used for mixer background color configuration. */ #define MXR_YCBCR_VAL(y, cb, cr) … /* The pixelformats that are natively supported by the mixer. */ #define MXR_FORMAT_RGB565 … #define MXR_FORMAT_ARGB1555 … #define MXR_FORMAT_ARGB4444 … #define MXR_FORMAT_ARGB8888 … enum mixer_version_id { … }; enum mixer_flag_bits { … }; static const uint32_t mixer_formats[] = …; static const uint32_t vp_formats[] = …; struct mixer_context { … }; struct mixer_drv_data { … }; static const struct exynos_drm_plane_config plane_configs[MIXER_WIN_NR] = …; static const u8 filter_y_horiz_tap8[] = …; static const u8 filter_y_vert_tap4[] = …; static const u8 filter_cr_horiz_tap4[] = …; static inline u32 vp_reg_read(struct mixer_context *ctx, u32 reg_id) { … } static inline void vp_reg_write(struct mixer_context *ctx, u32 reg_id, u32 val) { … } static inline void vp_reg_writemask(struct mixer_context *ctx, u32 reg_id, u32 val, u32 mask) { … } static inline u32 mixer_reg_read(struct mixer_context *ctx, u32 reg_id) { … } static inline void mixer_reg_write(struct mixer_context *ctx, u32 reg_id, u32 val) { … } static inline void mixer_reg_writemask(struct mixer_context *ctx, u32 reg_id, u32 val, u32 mask) { … } static void mixer_regs_dump(struct mixer_context *ctx) { … } static void vp_regs_dump(struct mixer_context *ctx) { … } static inline void vp_filter_set(struct mixer_context *ctx, int reg_id, const u8 *data, unsigned int size) { … } static void vp_default_filter(struct mixer_context *ctx) { … } static void mixer_cfg_gfx_blend(struct mixer_context *ctx, unsigned int win, unsigned int pixel_alpha, unsigned int alpha) { … } static void mixer_cfg_vp_blend(struct mixer_context *ctx, unsigned int alpha) { … } static bool mixer_is_synced(struct mixer_context *ctx) { … } static int mixer_wait_for_sync(struct mixer_context *ctx) { … } static void mixer_disable_sync(struct mixer_context *ctx) { … } static void mixer_enable_sync(struct mixer_context *ctx) { … } static void mixer_cfg_scan(struct mixer_context *ctx, int width, int height) { … } static void mixer_cfg_rgb_fmt(struct mixer_context *ctx, struct drm_display_mode *mode) { … } static void mixer_cfg_layer(struct mixer_context *ctx, unsigned int win, unsigned int priority, bool enable) { … } static void mixer_run(struct mixer_context *ctx) { … } static void mixer_stop(struct mixer_context *ctx) { … } static void mixer_commit(struct mixer_context *ctx) { … } static void vp_video_buffer(struct mixer_context *ctx, struct exynos_drm_plane *plane) { … } static void mixer_graph_buffer(struct mixer_context *ctx, struct exynos_drm_plane *plane) { … } static void vp_win_reset(struct mixer_context *ctx) { … } static void mixer_win_reset(struct mixer_context *ctx) { … } static irqreturn_t mixer_irq_handler(int irq, void *arg) { … } static int mixer_resources_init(struct mixer_context *mixer_ctx) { … } static int vp_resources_init(struct mixer_context *mixer_ctx) { … } static int mixer_initialize(struct mixer_context *mixer_ctx, struct drm_device *drm_dev) { … } static void mixer_ctx_remove(struct mixer_context *mixer_ctx) { … } static int mixer_enable_vblank(struct exynos_drm_crtc *crtc) { … } static void mixer_disable_vblank(struct exynos_drm_crtc *crtc) { … } static void mixer_atomic_begin(struct exynos_drm_crtc *crtc) { … } static void mixer_update_plane(struct exynos_drm_crtc *crtc, struct exynos_drm_plane *plane) { … } static void mixer_disable_plane(struct exynos_drm_crtc *crtc, struct exynos_drm_plane *plane) { … } static void mixer_atomic_flush(struct exynos_drm_crtc *crtc) { … } static void mixer_atomic_enable(struct exynos_drm_crtc *crtc) { … } static void mixer_atomic_disable(struct exynos_drm_crtc *crtc) { … } static enum drm_mode_status mixer_mode_valid(struct exynos_drm_crtc *crtc, const struct drm_display_mode *mode) { … } static bool mixer_mode_fixup(struct exynos_drm_crtc *crtc, const struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode) { … } static const struct exynos_drm_crtc_ops mixer_crtc_ops = …; static const struct mixer_drv_data exynos5420_mxr_drv_data = …; static const struct mixer_drv_data exynos5250_mxr_drv_data = …; static const struct mixer_drv_data exynos4212_mxr_drv_data = …; static const struct mixer_drv_data exynos4210_mxr_drv_data = …; static const struct of_device_id mixer_match_types[] = …; MODULE_DEVICE_TABLE(of, mixer_match_types); static int mixer_bind(struct device *dev, struct device *manager, void *data) { … } static void mixer_unbind(struct device *dev, struct device *master, void *data) { … } static const struct component_ops mixer_component_ops = …; static int mixer_probe(struct platform_device *pdev) { … } static void mixer_remove(struct platform_device *pdev) { … } static int __maybe_unused exynos_mixer_suspend(struct device *dev) { … } static int __maybe_unused exynos_mixer_resume(struct device *dev) { … } static const struct dev_pm_ops exynos_mixer_pm_ops = …; struct platform_driver mixer_driver = …;
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