| Laurent Pinchart | 51c1327 | 2012-04-26 13:53:59 +0200 | [diff] [blame] | 1 | /* |
| 2 | * shmob_drm.h -- SH Mobile DRM driver |
| 3 | * |
| 4 | * Copyright (C) 2012 Renesas Corporation |
| 5 | * |
| 6 | * Laurent Pinchart (laurent.pinchart@ideasonboard.com) |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License as published by |
| 10 | * the Free Software Foundation; either version 2 of the License, or |
| 11 | * (at your option) any later version. |
| 12 | */ |
| 13 | |
| 14 | #ifndef __SHMOB_DRM_H__ |
| 15 | #define __SHMOB_DRM_H__ |
| 16 | |
| 17 | #include <linux/kernel.h> |
| 18 | |
| 19 | #include <drm/drm_mode.h> |
| 20 | |
| 21 | struct sh_mobile_meram_cfg; |
| 22 | struct sh_mobile_meram_info; |
| 23 | |
| 24 | enum shmob_drm_clk_source { |
| 25 | SHMOB_DRM_CLK_BUS, |
| 26 | SHMOB_DRM_CLK_PERIPHERAL, |
| 27 | SHMOB_DRM_CLK_EXTERNAL, |
| 28 | }; |
| 29 | |
| 30 | enum shmob_drm_interface { |
| 31 | SHMOB_DRM_IFACE_RGB8, /* 24bpp, 8:8:8 */ |
| 32 | SHMOB_DRM_IFACE_RGB9, /* 18bpp, 9:9 */ |
| 33 | SHMOB_DRM_IFACE_RGB12A, /* 24bpp, 12:12 */ |
| 34 | SHMOB_DRM_IFACE_RGB12B, /* 12bpp */ |
| 35 | SHMOB_DRM_IFACE_RGB16, /* 16bpp */ |
| 36 | SHMOB_DRM_IFACE_RGB18, /* 18bpp */ |
| 37 | SHMOB_DRM_IFACE_RGB24, /* 24bpp */ |
| 38 | SHMOB_DRM_IFACE_YUV422, /* 16bpp */ |
| 39 | SHMOB_DRM_IFACE_SYS8A, /* 24bpp, 8:8:8 */ |
| 40 | SHMOB_DRM_IFACE_SYS8B, /* 18bpp, 8:8:2 */ |
| 41 | SHMOB_DRM_IFACE_SYS8C, /* 18bpp, 2:8:8 */ |
| 42 | SHMOB_DRM_IFACE_SYS8D, /* 16bpp, 8:8 */ |
| 43 | SHMOB_DRM_IFACE_SYS9, /* 18bpp, 9:9 */ |
| 44 | SHMOB_DRM_IFACE_SYS12, /* 24bpp, 12:12 */ |
| 45 | SHMOB_DRM_IFACE_SYS16A, /* 16bpp */ |
| 46 | SHMOB_DRM_IFACE_SYS16B, /* 18bpp, 16:2 */ |
| 47 | SHMOB_DRM_IFACE_SYS16C, /* 18bpp, 2:16 */ |
| 48 | SHMOB_DRM_IFACE_SYS18, /* 18bpp */ |
| 49 | SHMOB_DRM_IFACE_SYS24, /* 24bpp */ |
| 50 | }; |
| 51 | |
| 52 | struct shmob_drm_backlight_data { |
| 53 | const char *name; |
| 54 | int max_brightness; |
| 55 | int (*get_brightness)(void); |
| 56 | int (*set_brightness)(int brightness); |
| 57 | }; |
| 58 | |
| 59 | struct shmob_drm_panel_data { |
| 60 | unsigned int width_mm; /* Panel width in mm */ |
| 61 | unsigned int height_mm; /* Panel height in mm */ |
| 62 | struct drm_mode_modeinfo mode; |
| 63 | }; |
| 64 | |
| 65 | struct shmob_drm_sys_interface_data { |
| 66 | unsigned int read_latch:6; |
| 67 | unsigned int read_setup:8; |
| 68 | unsigned int read_cycle:8; |
| 69 | unsigned int read_strobe:8; |
| 70 | unsigned int write_setup:8; |
| 71 | unsigned int write_cycle:8; |
| 72 | unsigned int write_strobe:8; |
| 73 | unsigned int cs_setup:3; |
| 74 | unsigned int vsync_active_high:1; |
| 75 | unsigned int vsync_dir_input:1; |
| 76 | }; |
| 77 | |
| 78 | #define SHMOB_DRM_IFACE_FL_DWPOL (1 << 0) /* Rising edge dot clock data latch */ |
| 79 | #define SHMOB_DRM_IFACE_FL_DIPOL (1 << 1) /* Active low display enable */ |
| 80 | #define SHMOB_DRM_IFACE_FL_DAPOL (1 << 2) /* Active low display data */ |
| 81 | #define SHMOB_DRM_IFACE_FL_HSCNT (1 << 3) /* Disable HSYNC during VBLANK */ |
| 82 | #define SHMOB_DRM_IFACE_FL_DWCNT (1 << 4) /* Disable dotclock during blanking */ |
| 83 | |
| 84 | struct shmob_drm_interface_data { |
| 85 | enum shmob_drm_interface interface; |
| 86 | struct shmob_drm_sys_interface_data sys; |
| 87 | unsigned int clk_div; |
| 88 | unsigned int flags; |
| 89 | }; |
| 90 | |
| 91 | struct shmob_drm_platform_data { |
| 92 | enum shmob_drm_clk_source clk_source; |
| 93 | struct shmob_drm_interface_data iface; |
| 94 | struct shmob_drm_panel_data panel; |
| 95 | struct shmob_drm_backlight_data backlight; |
| 96 | const struct sh_mobile_meram_cfg *meram; |
| 97 | }; |
| 98 | |
| 99 | #endif /* __SHMOB_DRM_H__ */ |