diff options
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_drv.h')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_drv.h | 453 |
1 files changed, 186 insertions, 267 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h index eaa19668bf00..23646e55f142 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.h +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* exynos_drm_drv.h * * Copyright (c) 2011 Samsung Electronics Co., Ltd. @@ -5,11 +6,6 @@ * Inki Dae <inki.dae@samsung.com> * Joonyoung Shim <jy0922.shim@samsung.com> * Seung-Woo Kim <sw0312.kim@samsung.com> - * - * 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. */ #ifndef _EXYNOS_DRM_DRV_H_ @@ -17,30 +13,21 @@ #include <linux/module.h> +#include <drm/drm_crtc.h> +#include <drm/drm_device.h> +#include <drm/drm_plane.h> + #define MAX_CRTC 3 #define MAX_PLANE 5 #define MAX_FB_BUFFER 4 -#define DEFAULT_ZPOS -1 -#define _wait_for(COND, MS) ({ \ - unsigned long timeout__ = jiffies + msecs_to_jiffies(MS); \ - int ret__ = 0; \ - while (!(COND)) { \ - if (time_after(jiffies, timeout__)) { \ - ret__ = -ETIMEDOUT; \ - break; \ - } \ - } \ - ret__; \ -}) +#define DEFAULT_WIN 0 -#define wait_for(COND, MS) _wait_for(COND, MS) +struct drm_crtc_state; +struct drm_display_mode; -struct drm_device; -struct exynos_drm_overlay; -struct drm_connector; - -extern unsigned int drm_vblank_offdelay; +#define to_exynos_crtc(x) container_of(x, struct exynos_drm_crtc, base) +#define to_exynos_plane(x) container_of(x, struct exynos_drm_plane, base) /* this enumerates display type. */ enum exynos_drm_output_type { @@ -53,300 +40,232 @@ enum exynos_drm_output_type { EXYNOS_DISPLAY_TYPE_VIDI, }; +struct exynos_drm_rect { + unsigned int x, y; + unsigned int w, h; +}; + /* - * Exynos drm overlay ops structure. + * Exynos drm plane state structure. + * + * @base: plane_state object (contains drm_framebuffer pointer) + * @src: rectangle of the source image data to be displayed (clipped to + * visible part). + * @crtc: rectangle of the target image position on hardware screen + * (clipped to visible part). + * @h_ratio: horizontal scaling ratio, 16.16 fixed point + * @v_ratio: vertical scaling ratio, 16.16 fixed point * - * @mode_set: copy drm overlay info to hw specific overlay info. - * @commit: apply hardware specific overlay data to registers. - * @enable: enable hardware specific overlay. - * @disable: disable hardware specific overlay. + * this structure consists plane state data that will be applied to hardware + * specific overlay info. */ -struct exynos_drm_overlay_ops { - void (*mode_set)(struct device *subdrv_dev, - struct exynos_drm_overlay *overlay); - void (*commit)(struct device *subdrv_dev, int zpos); - void (*enable)(struct device *subdrv_dev, int zpos); - void (*disable)(struct device *subdrv_dev, int zpos); + +struct exynos_drm_plane_state { + struct drm_plane_state base; + struct exynos_drm_rect crtc; + struct exynos_drm_rect src; + unsigned int h_ratio; + unsigned int v_ratio; }; +static inline struct exynos_drm_plane_state * +to_exynos_plane_state(struct drm_plane_state *state) +{ + return container_of(state, struct exynos_drm_plane_state, base); +} + /* * Exynos drm common overlay structure. * - * @fb_x: offset x on a framebuffer to be displayed. - * - the unit is screen coordinates. - * @fb_y: offset y on a framebuffer to be displayed. - * - the unit is screen coordinates. - * @fb_width: width of a framebuffer. - * @fb_height: height of a framebuffer. - * @src_width: width of a partial image to be displayed from framebuffer. - * @src_height: height of a partial image to be displayed from framebuffer. - * @crtc_x: offset x on hardware screen. - * @crtc_y: offset y on hardware screen. - * @crtc_width: window width to be displayed (hardware screen). - * @crtc_height: window height to be displayed (hardware screen). - * @mode_width: width of screen mode. - * @mode_height: height of screen mode. - * @refresh: refresh rate. - * @scan_flag: interlace or progressive way. - * (it could be DRM_MODE_FLAG_*) - * @bpp: pixel size.(in bit) - * @pixel_format: fourcc pixel format of this overlay - * @dma_addr: array of bus(accessed by dma) address to the memory region - * allocated for a overlay. - * @zpos: order of overlay layer(z position). - * @default_win: a window to be enabled. - * @color_key: color key on or off. - * @index_color: if using color key feature then this value would be used - * as index color. - * @local_path: in case of lcd type, local path mode on or off. - * @transparency: transparency on or off. - * @activated: activated or not. + * @base: plane object + * @index: hardware index of the overlay layer * * this structure is common to exynos SoC and its contents would be copied * to hardware specific overlay info. */ -struct exynos_drm_overlay { - 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 crtc_x; - unsigned int crtc_y; - unsigned int crtc_width; - unsigned int crtc_height; - unsigned int mode_width; - unsigned int mode_height; - unsigned int refresh; - unsigned int scan_flag; - unsigned int bpp; - unsigned int pitch; - uint32_t pixel_format; - dma_addr_t dma_addr[MAX_FB_BUFFER]; - int zpos; - - bool default_win; - bool color_key; - unsigned int index_color; - bool local_path; - bool transparency; - bool activated; + +struct exynos_drm_plane { + struct drm_plane base; + const struct exynos_drm_plane_config *config; + unsigned int index; }; +#define EXYNOS_DRM_PLANE_CAP_DOUBLE (1 << 0) +#define EXYNOS_DRM_PLANE_CAP_SCALE (1 << 1) +#define EXYNOS_DRM_PLANE_CAP_ZPOS (1 << 2) +#define EXYNOS_DRM_PLANE_CAP_TILE (1 << 3) +#define EXYNOS_DRM_PLANE_CAP_PIX_BLEND (1 << 4) +#define EXYNOS_DRM_PLANE_CAP_WIN_BLEND (1 << 5) + /* - * Exynos DRM Display Structure. - * - this structure is common to analog tv, digital tv and lcd panel. + * Exynos DRM plane configuration structure. * - * @type: one of EXYNOS_DISPLAY_TYPE_LCD and HDMI. - * @is_connected: check for that display is connected or not. - * @get_edid: get edid modes from display driver. - * @get_panel: get panel object from display driver. - * @check_mode: check if mode is valid or not. - * @power_on: display device on or off. + * @zpos: initial z-position of the plane. + * @type: type of the plane (primary, cursor or overlay). + * @pixel_formats: supported pixel formats. + * @num_pixel_formats: number of elements in 'pixel_formats'. + * @capabilities: supported features (see EXYNOS_DRM_PLANE_CAP_*) */ -struct exynos_drm_display_ops { - enum exynos_drm_output_type type; - bool (*is_connected)(struct device *dev); - struct edid *(*get_edid)(struct device *dev, - struct drm_connector *connector); - void *(*get_panel)(struct device *dev); - int (*check_mode)(struct device *dev, struct drm_display_mode *mode); - int (*power_on)(struct device *dev, int mode); + +struct exynos_drm_plane_config { + unsigned int zpos; + enum drm_plane_type type; + const uint32_t *pixel_formats; + unsigned int num_pixel_formats; + unsigned int capabilities; }; /* - * Exynos drm manager ops + * Exynos drm crtc ops * - * @dpms: control device power. - * @apply: set timing, vblank and overlay data to registers. - * @mode_fixup: fix mode data comparing to hw specific display mode. - * @mode_set: convert drm_display_mode to hw specific display mode and - * would be called by encoder->mode_set(). - * @get_max_resol: get maximum resolution to specific hardware. - * @commit: set current hw specific display mode to hw. + * @atomic_enable: enable the device + * @atomic_disable: disable the device * @enable_vblank: specific driver callback for enabling vblank interrupt. * @disable_vblank: specific driver callback for disabling vblank interrupt. - * @wait_for_vblank: wait for vblank interrupt to make sure that - * hardware overlay is updated. + * @mode_valid: specific driver callback for mode validation + * @atomic_check: validate state + * @atomic_begin: prepare device to receive an update + * @atomic_flush: mark the end of device update + * @update_plane: apply hardware specific overlay data to registers. + * @disable_plane: disable hardware specific overlay. + * @te_handler: trigger to transfer video image at the tearing effect + * synchronization signal if there is a page flip request. */ -struct exynos_drm_manager_ops { - void (*dpms)(struct device *subdrv_dev, int mode); - void (*apply)(struct device *subdrv_dev); - void (*mode_fixup)(struct device *subdrv_dev, - struct drm_connector *connector, - const struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode); - void (*mode_set)(struct device *subdrv_dev, void *mode); - void (*get_max_resol)(struct device *subdrv_dev, unsigned int *width, - unsigned int *height); - void (*commit)(struct device *subdrv_dev); - int (*enable_vblank)(struct device *subdrv_dev); - void (*disable_vblank)(struct device *subdrv_dev); - void (*wait_for_vblank)(struct device *subdrv_dev); +struct exynos_drm_crtc; +struct exynos_drm_crtc_ops { + void (*atomic_enable)(struct exynos_drm_crtc *crtc); + void (*atomic_disable)(struct exynos_drm_crtc *crtc); + int (*enable_vblank)(struct exynos_drm_crtc *crtc); + void (*disable_vblank)(struct exynos_drm_crtc *crtc); + enum drm_mode_status (*mode_valid)(struct exynos_drm_crtc *crtc, + const struct drm_display_mode *mode); + bool (*mode_fixup)(struct exynos_drm_crtc *crtc, + const struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode); + int (*atomic_check)(struct exynos_drm_crtc *crtc, + struct drm_crtc_state *state); + void (*atomic_begin)(struct exynos_drm_crtc *crtc); + void (*update_plane)(struct exynos_drm_crtc *crtc, + struct exynos_drm_plane *plane); + void (*disable_plane)(struct exynos_drm_crtc *crtc, + struct exynos_drm_plane *plane); + void (*atomic_flush)(struct exynos_drm_crtc *crtc); + void (*te_handler)(struct exynos_drm_crtc *crtc); +}; + +struct exynos_drm_clk { + void (*enable)(struct exynos_drm_clk *clk, bool enable); }; /* - * Exynos drm common manager structure. + * Exynos specific crtc structure. * - * @dev: pointer to device object for subdrv device driver. - * sub drivers such as display controller or hdmi driver, - * have their own device object. - * @ops: pointer to callbacks for exynos drm specific framebuffer. - * these callbacks should be set by specific drivers such fimd - * or hdmi driver and are used to control hardware global registers. - * @overlay_ops: pointer to callbacks for exynos drm specific framebuffer. - * these callbacks should be set by specific drivers such fimd - * or hdmi driver and are used to control hardware overlay reigsters. - * @display: pointer to callbacks for exynos drm specific framebuffer. - * these callbacks should be set by specific drivers such fimd - * or hdmi driver and are used to control display devices such as - * analog tv, digital tv and lcd panel and also get timing data for them. + * @base: crtc object. + * @type: one of EXYNOS_DISPLAY_TYPE_LCD and HDMI. + * @ops: pointer to callbacks for exynos drm specific functionality + * @ctx: A pointer to the crtc's implementation specific context + * @pipe_clk: A pointer to the crtc's pipeline clock. */ -struct exynos_drm_manager { - struct device *dev; - int pipe; - struct exynos_drm_manager_ops *ops; - struct exynos_drm_overlay_ops *overlay_ops; - struct exynos_drm_display_ops *display_ops; +struct exynos_drm_crtc { + struct drm_crtc base; + enum exynos_drm_output_type type; + const struct exynos_drm_crtc_ops *ops; + void *ctx; + struct exynos_drm_clk *pipe_clk; + bool i80_mode : 1; }; -struct exynos_drm_g2d_private { - struct device *dev; +static inline void exynos_drm_pipe_clk_enable(struct exynos_drm_crtc *crtc, + bool enable) +{ + if (crtc->pipe_clk) + crtc->pipe_clk->enable(crtc->pipe_clk, enable); +} + +struct drm_exynos_file_private { + /* for g2d api */ struct list_head inuse_cmdlist; struct list_head event_list; struct list_head userptr_list; }; -struct exynos_drm_ipp_private { - struct device *dev; - struct list_head event_list; -}; - -struct drm_exynos_file_private { - struct exynos_drm_g2d_private *g2d_priv; - struct exynos_drm_ipp_private *ipp_priv; -}; - /* * Exynos drm private structure. * - * @da_start: start address to device address space. - * with iommu, device address space starts from this address - * otherwise default one. - * @da_space_size: size of device address space. - * if 0 then default value is used for it. - * @da_space_order: order to device address space. + * @pending: the crtcs that have pending updates to finish + * @lock: protect access to @pending + * @wait: wait an atomic commit to finish */ struct exynos_drm_private { - struct drm_fb_helper *fb_helper; - - /* list head for new event to be added. */ - struct list_head pageflip_event_list; - - /* - * created crtc object would be contained at this array and - * this array is used to be aware of which crtc did it request vblank. - */ - struct drm_crtc *crtc[MAX_CRTC]; - struct drm_property *plane_zpos_property; - struct drm_property *crtc_mode_property; - - unsigned long da_start; - unsigned long da_space_size; - unsigned long da_space_order; -}; - -/* - * Exynos drm sub driver structure. - * - * @list: sub driver has its own list object to register to exynos drm driver. - * @dev: pointer to device object for subdrv device driver. - * @drm_dev: pointer to drm_device and this pointer would be set - * when sub driver calls exynos_drm_subdrv_register(). - * @manager: subdrv has its own manager to control a hardware appropriately - * and we can access a hardware drawing on this manager. - * @probe: this callback would be called by exynos drm driver after - * subdrv is registered to it. - * @remove: this callback is used to release resources created - * by probe callback. - * @open: this would be called with drm device file open. - * @close: this would be called with drm device file close. - * @encoder: encoder object owned by this sub driver. - * @connector: connector object owned by this sub driver. - */ -struct exynos_drm_subdrv { - struct list_head list; - struct device *dev; - struct drm_device *drm_dev; - struct exynos_drm_manager *manager; - - int (*probe)(struct drm_device *drm_dev, struct device *dev); - void (*remove)(struct drm_device *drm_dev, struct device *dev); - int (*open)(struct drm_device *drm_dev, struct device *dev, - struct drm_file *file); - void (*close)(struct drm_device *drm_dev, struct device *dev, - struct drm_file *file); - - struct drm_encoder *encoder; - struct drm_connector *connector; + struct device *g2d_dev; + struct device *dma_dev; + void *mapping; + + /* for atomic commit */ + u32 pending; + spinlock_t lock; + wait_queue_head_t wait; }; -/* - * this function calls a probe callback registered to sub driver list and - * create its own encoder and connector and then set drm_device object - * to global one. - */ -int exynos_drm_device_register(struct drm_device *dev); -/* - * this function calls a remove callback registered to sub driver list and - * destroy its own encoder and connetor. - */ -int exynos_drm_device_unregister(struct drm_device *dev); - -/* - * this function would be called by sub drivers such as display controller - * or hdmi driver to register this sub driver object to exynos drm driver - * and when a sub driver is registered to exynos drm driver a probe callback - * of the sub driver is called and creates its own encoder and connector. - */ -int exynos_drm_subdrv_register(struct exynos_drm_subdrv *drm_subdrv); - -/* this function removes subdrv list from exynos drm driver */ -int exynos_drm_subdrv_unregister(struct exynos_drm_subdrv *drm_subdrv); - -int exynos_drm_subdrv_open(struct drm_device *dev, struct drm_file *file); -void exynos_drm_subdrv_close(struct drm_device *dev, struct drm_file *file); - -/* - * this function registers exynos drm hdmi platform device. It ensures only one - * instance of the device is created. - */ -int exynos_platform_device_hdmi_register(void); - -/* - * this function unregisters exynos drm hdmi platform device if it exists. - */ -void exynos_platform_device_hdmi_unregister(void); - -/* - * this function registers exynos drm ipp platform device. - */ -int exynos_platform_device_ipp_register(void); +static inline struct device *to_dma_dev(struct drm_device *dev) +{ + struct exynos_drm_private *priv = dev->dev_private; + + return priv->dma_dev; +} + +static inline bool is_drm_iommu_supported(struct drm_device *drm_dev) +{ + struct exynos_drm_private *priv = drm_dev->dev_private; + + return priv->mapping ? true : false; +} + +int exynos_drm_register_dma(struct drm_device *drm, struct device *dev, + void **dma_priv); +void exynos_drm_unregister_dma(struct drm_device *drm, struct device *dev, + void **dma_priv); +void exynos_drm_cleanup_dma(struct drm_device *drm); + +#ifdef CONFIG_DRM_EXYNOS_DPI +struct drm_encoder *exynos_dpi_probe(struct device *dev); +int exynos_dpi_remove(struct drm_encoder *encoder); +int exynos_dpi_bind(struct drm_device *dev, struct drm_encoder *encoder); +#else +static inline struct drm_encoder * +exynos_dpi_probe(struct device *dev) { return NULL; } +static inline int exynos_dpi_remove(struct drm_encoder *encoder) +{ + return 0; +} +static inline int exynos_dpi_bind(struct drm_device *dev, + struct drm_encoder *encoder) +{ + return 0; +} +#endif -/* - * this function unregisters exynos drm ipp platform device if it exists. - */ -void exynos_platform_device_ipp_unregister(void); +#ifdef CONFIG_DRM_EXYNOS_FIMC +int exynos_drm_check_fimc_device(struct device *dev); +#else +static inline int exynos_drm_check_fimc_device(struct device *dev) +{ + return 0; +} +#endif extern struct platform_driver fimd_driver; -extern struct platform_driver hdmi_driver; +extern struct platform_driver exynos5433_decon_driver; +extern struct platform_driver decon_driver; +extern struct platform_driver dp_driver; +extern struct platform_driver dsi_driver; extern struct platform_driver mixer_driver; -extern struct platform_driver exynos_drm_common_hdmi_driver; +extern struct platform_driver hdmi_driver; extern struct platform_driver vidi_driver; extern struct platform_driver g2d_driver; extern struct platform_driver fimc_driver; extern struct platform_driver rotator_driver; +extern struct platform_driver scaler_driver; extern struct platform_driver gsc_driver; -extern struct platform_driver ipp_driver; +extern struct platform_driver mic_driver; #endif |