drm/logicvc/logicvc_drm.h

0001 /* SPDX-License-Identifier: GPL-2.0+ */
0002 /*
0003  * Copyright (C) 2019-2022 Bootlin
0004  * Author: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
0005  */
0006
0007 #ifndef _LOGICVC_DRM_H_
0008 #define _LOGICVC_DRM_H_
0009
0010 #include <linux/regmap.h>
0011 #include <linux/types.h>
0012 #include <drm/drm_device.h>
0013
0014 #define LOGICVC_DISPLAY_INTERFACE_RGB           0
0015 #define LOGICVC_DISPLAY_INTERFACE_ITU656        1
0016 #define LOGICVC_DISPLAY_INTERFACE_LVDS_4BITS        2
0017 #define LOGICVC_DISPLAY_INTERFACE_LVDS_4BITS_CAMERA 3
0018 #define LOGICVC_DISPLAY_INTERFACE_LVDS_3BITS        4
0019 #define LOGICVC_DISPLAY_INTERFACE_DVI           5
0020
0021 #define LOGICVC_DISPLAY_COLORSPACE_RGB      0
0022 #define LOGICVC_DISPLAY_COLORSPACE_YUV422   1
0023 #define LOGICVC_DISPLAY_COLORSPACE_YUV444   2
0024
0025 #define logicvc_drm(d) \
0026     container_of(d, struct logicvc_drm, drm_dev)
0027
0028 struct logicvc_crtc;
0029 struct logicvc_interface;
0030
0031 struct logicvc_drm_config {
0032     u32 display_interface;
0033     u32 display_colorspace;
0034     u32 display_depth;
0035     u32 row_stride;
0036     bool dithering;
0037     bool background_layer;
0038     bool layers_configurable;
0039     u32 layers_count;
0040 };
0041
0042 struct logicvc_drm_caps {
0043     unsigned int major;
0044     unsigned int minor;
0045     char level;
0046     bool layer_address;
0047 };
0048
0049 struct logicvc_drm {
0050     const struct logicvc_drm_caps *caps;
0051     struct logicvc_drm_config config;
0052
0053     struct drm_device drm_dev;
0054     phys_addr_t reserved_mem_base;
0055     struct regmap *regmap;
0056
0057     struct clk *vclk;
0058     struct clk *vclk2;
0059     struct clk *lvdsclk;
0060     struct clk *lvdsclkn;
0061
0062     struct list_head layers_list;
0063     struct logicvc_crtc *crtc;
0064     struct logicvc_interface *interface;
0065 };
0066
0067 #endif