3 * (C) COPYRIGHT 2012-2013 ARM Limited. All rights reserved.
6 * Parts of this file were based on sources as follows:
8 * Copyright (c) 2006-2008 Intel Corporation
10 * Copyright (C) 2011 Texas Instruments
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
22 #include <drm/drm_gem.h>
23 #include <drm/drm_simple_kms_helper.h>
24 #include <drm/drm_connector.h>
25 #include <drm/drm_encoder.h>
26 #include <drm/drm_panel.h>
27 #include <drm/drm_bridge.h>
28 #include <linux/clk-provider.h>
29 #include <linux/interrupt.h>
31 #define CLCD_IRQ_NEXTBASE_UPDATE BIT(2)
36 * struct pl111_variant_data - encodes IP differences
37 * @name: the name of this variant
38 * @is_pl110: this is the early PL110 variant
39 * @external_bgr: this is the Versatile Pl110 variant with external
41 * @broken_clockdivider: the clock divider is broken and we need to
42 * use the supplied clock directly
43 * @broken_vblank: the vblank IRQ is broken on this variant
44 * @formats: array of supported pixel formats on this variant
45 * @nformats: the length of the array of supported pixel formats
46 * @fb_bpp: desired bits per pixel on the default framebuffer
48 struct pl111_variant_data {
52 bool broken_clockdivider;
55 unsigned int nformats;
59 struct pl111_drm_dev_private {
60 struct drm_device *drm;
62 struct drm_connector *connector;
63 struct drm_panel *panel;
64 struct drm_bridge *bridge;
65 struct drm_simple_display_pipe pipe;
71 /* The pixel clock (a reference to our clock divider off of CLCDCLK). */
73 /* pl111's internal clock divider. */
74 struct clk_hw clk_div;
75 /* Lock to sync access to CLCD_TIM2 between the common clock
76 * subsystem and pl111_display_enable().
79 const struct pl111_variant_data *variant;
80 void (*variant_display_enable) (struct drm_device *drm, u32 format);
81 void (*variant_display_disable) (struct drm_device *drm);
82 bool use_device_memory;
85 int pl111_display_init(struct drm_device *dev);
86 irqreturn_t pl111_irq(int irq, void *data);
87 int pl111_debugfs_init(struct drm_minor *minor);
89 #endif /* _PL111_DRM_H_ */