1 /* 2 * 3 * (C) COPYRIGHT 2012-2013 ARM Limited. All rights reserved. 4 * 5 * 6 * Parts of this file were based on sources as follows: 7 * 8 * Copyright (c) 2006-2008 Intel Corporation 9 * Copyright (c) 2007 Dave Airlie <airlied@linux.ie> 10 * Copyright (C) 2011 Texas Instruments 11 * 12 * This program is free software and is provided to you under the terms of the 13 * GNU General Public License version 2 as published by the Free Software 14 * Foundation, and any use by you of this program is subject to the terms of 15 * such GNU licence. 16 * 17 */ 18 19 #ifndef _PL111_DRM_H_ 20 #define _PL111_DRM_H_ 21 22 #include <drm/drm_gem.h> 23 #include <drm/drm_simple_kms_helper.h> 24 #include <linux/clk-provider.h> 25 26 #define CLCD_IRQ_NEXTBASE_UPDATE BIT(2) 27 28 struct drm_minor; 29 30 struct pl111_drm_connector { 31 struct drm_connector connector; 32 struct drm_panel *panel; 33 }; 34 35 struct pl111_drm_dev_private { 36 struct drm_device *drm; 37 38 struct pl111_drm_connector connector; 39 struct drm_simple_display_pipe pipe; 40 struct drm_fbdev_cma *fbdev; 41 42 void *regs; 43 /* The pixel clock (a reference to our clock divider off of CLCDCLK). */ 44 struct clk *clk; 45 /* pl111's internal clock divider. */ 46 struct clk_hw clk_div; 47 /* Lock to sync access to CLCD_TIM2 between the common clock 48 * subsystem and pl111_display_enable(). 49 */ 50 spinlock_t tim2_lock; 51 }; 52 53 #define to_pl111_connector(x) \ 54 container_of(x, struct pl111_drm_connector, connector) 55 56 int pl111_display_init(struct drm_device *dev); 57 int pl111_enable_vblank(struct drm_device *drm, unsigned int crtc); 58 void pl111_disable_vblank(struct drm_device *drm, unsigned int crtc); 59 irqreturn_t pl111_irq(int irq, void *data); 60 int pl111_connector_init(struct drm_device *dev); 61 int pl111_encoder_init(struct drm_device *dev); 62 int pl111_dumb_create(struct drm_file *file_priv, 63 struct drm_device *dev, 64 struct drm_mode_create_dumb *args); 65 int pl111_debugfs_init(struct drm_minor *minor); 66 67 #endif /* _PL111_DRM_H_ */ 68