1 /*- 2 * Copyright 1992-2015 Michal Meloun 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 #ifndef _TEGRA_DRM_H_ 27 #define _TEGRA_DRM_H_ 28 29 #include <dev/gpio/gpiobusvar.h> 30 31 struct tegra_bo { 32 struct drm_gem_object gem_obj; 33 /* mapped memory buffer */ 34 vm_paddr_t pbase; 35 vm_offset_t vbase; 36 size_t npages; 37 vm_page_t *m; 38 vm_object_t cdev_pager; 39 }; 40 41 struct tegra_plane { 42 struct drm_plane drm_plane; 43 int index; /* Window index */ 44 }; 45 46 struct tegra_fb { 47 struct drm_framebuffer drm_fb; 48 struct drm_fb_helper fb_helper; 49 struct tegra_bo **planes; /* Attached planes */ 50 int nplanes; 51 52 /* Surface and display geometry */ 53 bool block_linear; /* Surface_kind */ 54 uint32_t block_height; 55 int rotation; /* In degrees */ 56 bool flip_x; /* Inverted X-axis */ 57 bool flip_y; /* Inverted Y-axis */ 58 }; 59 60 struct tegra_crtc { 61 struct drm_crtc drm_crtc; 62 device_t dev; 63 int nvidia_head; 64 vm_paddr_t cursor_pbase; /* Cursor buffer */ 65 void *cursor_vbase; 66 }; 67 68 struct tegra_drm_encoder { 69 device_t dev; 70 71 void *panel; /* XXX For LVDS panel */ 72 device_t ddc; 73 struct edid *edid; 74 75 gpio_pin_t gpio_hpd; 76 77 struct drm_encoder encoder; 78 struct drm_connector connector; 79 int (*setup_clock)(struct tegra_drm_encoder *output, 80 clk_t clk, uint64_t pclk); 81 }; 82 83 struct tegra_drm { 84 struct drm_device drm_dev; 85 struct tegra_fb *fb; /* Prime framebuffer */ 86 int pitch_align; 87 }; 88 89 /* tegra_drm_subr.c */ 90 int tegra_drm_encoder_attach(struct tegra_drm_encoder *output, phandle_t node); 91 int tegra_drm_encoder_init(struct tegra_drm_encoder *output, 92 struct tegra_drm *drm); 93 int tegra_drm_encoder_exit(struct tegra_drm_encoder *output, 94 struct tegra_drm *drm); 95 enum drm_connector_status tegra_drm_connector_detect( 96 struct drm_connector *connector, bool force); 97 int tegra_drm_connector_get_modes(struct drm_connector *connector); 98 struct drm_encoder *tegra_drm_connector_best_encoder( 99 struct drm_connector *connector); 100 101 /* tegra_dc.c */ 102 void tegra_dc_cancel_page_flip(struct drm_crtc *drm_crtc, 103 struct drm_file *file); 104 void tegra_dc_enable_vblank(struct drm_crtc *drm_crtc); 105 void tegra_dc_disable_vblank(struct drm_crtc *drm_crtc); 106 int tegra_dc_get_pipe(struct drm_crtc *drm_crtc); 107 108 /* tegra_fb.c */ 109 struct fb_info *tegra_drm_fb_getinfo(struct drm_device *drm); 110 struct tegra_bo *tegra_fb_get_plane(struct tegra_fb *fb, int idx); 111 int tegra_drm_fb_create(struct drm_device *drm, struct drm_file *file, 112 struct drm_mode_fb_cmd2 *cmd, struct drm_framebuffer **fb_res); 113 int tegra_drm_fb_init(struct drm_device *drm); 114 void tegra_drm_fb_destroy(struct drm_device *drm); 115 116 /* tegra_bo.c */ 117 struct tegra_bo; 118 int tegra_bo_create(struct drm_device *drm, size_t size, 119 struct tegra_bo **res_bo); 120 void tegra_bo_driver_register(struct drm_driver *drm_drv); 121 122 #endif /* _TEGRA_DRM_H_ */ 123