drivers/gpu/drm/exynos/exynos_mixer.h

   1 /*
   2  *
   3  * Copyright (c) 2011 Samsung Electronics Co., Ltd.
   4  * Authors:
   5  *      Seung-Woo Kim <sw0312.kim@samsung.com>
   6  *      Inki Dae <inki.dae@samsung.com>
   7  *
   8  * Permission is hereby granted, free of charge, to any person obtaining a
   9  * copy of this software and associated documentation files (the "Software"),
  10  * to deal in the Software without restriction, including without limitation
  11  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  12  * and/or sell copies of the Software, and to permit persons to whom the
  13  * Software is furnished to do so, subject to the following conditions:
  14  *
  15  * The above copyright notice and this permission notice (including the next
  16  * paragraph) shall be included in all copies or substantial portions of the
  17  * Software.
  18  *
  19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  20  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  21  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  22  * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  23  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  24  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  25  * OTHER DEALINGS IN THE SOFTWARE.
  26  */
  27
  28 #ifndef _EXYNOS_MIXER_H_
  29 #define _EXYNOS_MIXER_H_
  30
  31 #define HDMI_OVERLAY_NUMBER     3
  32
  33 struct hdmi_win_data {
  34         dma_addr_t              dma_addr;
  35         void __iomem            *vaddr;
  36         dma_addr_t              chroma_dma_addr;
  37         void __iomem            *chroma_vaddr;
  38         uint32_t                pixel_format;
  39         unsigned int            bpp;
  40         unsigned int            crtc_x;
  41         unsigned int            crtc_y;
  42         unsigned int            crtc_width;
  43         unsigned int            crtc_height;
  44         unsigned int            fb_x;
  45         unsigned int            fb_y;
  46         unsigned int            fb_width;
  47         unsigned int            fb_height;
  48         unsigned int            mode_width;
  49         unsigned int            mode_height;
  50         unsigned int            scan_flags;
  51 };
  52
  53 struct mixer_resources {
  54         struct device *dev;
  55         /** interrupt index */
  56         int irq;
  57         /** pointer to Mixer registers */
  58         void __iomem *mixer_regs;
  59         /** pointer to Video Processor registers */
  60         void __iomem *vp_regs;
  61         /** spinlock for protection of registers */
  62         spinlock_t reg_slock;
  63         /** other resources */
  64         struct clk *mixer;
  65         struct clk *vp;
  66         struct clk *sclk_mixer;
  67         struct clk *sclk_hdmi;
  68         struct clk *sclk_dac;
  69 };
  70
  71 struct mixer_context {
  72         unsigned int                    default_win;
  73         struct fb_videomode             *default_timing;
  74         unsigned int                    default_bpp;
  75
  76         /** mixer interrupt */
  77         unsigned int irq;
  78         /** current crtc pipe for vblank */
  79         int pipe;
  80         /** interlace scan mode */
  81         bool interlace;
  82         /** vp enabled status */
  83         bool vp_enabled;
  84
  85         /** mixer and vp resources */
  86         struct mixer_resources mixer_res;
  87
  88         /** overlay window data */
  89         struct hdmi_win_data            win_data[HDMI_OVERLAY_NUMBER];
  90 };
  91
  92 #endif