| /* exynos_drm_drv.h |
| * |
| * Copyright (c) 2011 Samsung Electronics Co., Ltd. |
| * Authors: |
| * Inki Dae <inki.dae@samsung.com> |
| * Joonyoung Shim <jy0922.shim@samsung.com> |
| * Seung-Woo Kim <sw0312.kim@samsung.com> |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| * OTHER DEALINGS IN THE SOFTWARE. |
| */ |
| |
| #ifndef _EXYNOS_DRM_DRV_H_ |
| #define _EXYNOS_DRM_DRV_H_ |
| |
| #include <linux/module.h> |
| #include "drm.h" |
| |
| #define MAX_CRTC 3 |
| #define MAX_PLANE 5 |
| #define MAX_FB_BUFFER 4 |
| #define DEFAULT_ZPOS -1 |
| |
| struct drm_device; |
| struct exynos_drm_overlay; |
| struct drm_connector; |
| |
| extern unsigned int drm_vblank_offdelay; |
| |
| /* this enumerates display type. */ |
| enum exynos_drm_output_type { |
| EXYNOS_DISPLAY_TYPE_NONE, |
| /* RGB or CPU Interface. */ |
| EXYNOS_DISPLAY_TYPE_LCD, |
| /* HDMI Interface. */ |
| EXYNOS_DISPLAY_TYPE_HDMI, |
| /* Virtual Display Interface. */ |
| EXYNOS_DISPLAY_TYPE_VIDI, |
| }; |
| |
| /* |
| * Exynos drm overlay ops structure. |
| * |
| * @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. |
| */ |
| 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); |
| }; |
| |
| /* |
| * 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. |
| * @vaddr: array of virtual memory addresss to this 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. |
| * |
| * 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]; |
| void __iomem *vaddr[MAX_FB_BUFFER]; |
| int zpos; |
| |
| bool default_win; |
| bool color_key; |
| unsigned int index_color; |
| bool local_path; |
| bool transparency; |
| bool activated; |
| }; |
| |
| /* |
| * Exynos DRM Display Structure. |
| * - this structure is common to analog tv, digital tv and lcd panel. |
| * |
| * @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_timing: check if timing is valid or not. |
| * @power_on: display device on or off. |
| */ |
| struct exynos_drm_display_ops { |
| enum exynos_drm_output_type type; |
| bool (*is_connected)(struct device *dev); |
| int (*get_edid)(struct device *dev, struct drm_connector *connector, |
| u8 *edid, int len); |
| void *(*get_panel)(struct device *dev); |
| int (*check_timing)(struct device *dev, void *timing); |
| int (*power_on)(struct device *dev, int mode); |
| }; |
| |
| /* |
| * Exynos drm manager 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. |
| * @enable_vblank: specific driver callback for enabling vblank interrupt. |
| * @disable_vblank: specific driver callback for disabling vblank interrupt. |
| */ |
| 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); |
| }; |
| |
| /* |
| * Exynos drm common manager 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. |
| */ |
| 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_g2d_private { |
| struct device *dev; |
| struct list_head inuse_cmdlist; |
| struct list_head event_list; |
| struct list_head gem_list; |
| unsigned int gem_nr; |
| }; |
| |
| struct drm_exynos_file_private { |
| struct exynos_drm_g2d_private *g2d_priv; |
| }; |
| |
| /* |
| * Exynos drm private structure. |
| */ |
| 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; |
| }; |
| |
| /* |
| * 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 *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; |
| }; |
| |
| /* |
| * 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); |
| |
| extern struct platform_driver fimd_driver; |
| extern struct platform_driver hdmi_driver; |
| extern struct platform_driver mixer_driver; |
| extern struct platform_driver exynos_drm_common_hdmi_driver; |
| extern struct platform_driver vidi_driver; |
| extern struct platform_driver g2d_driver; |
| #endif |
