tegra_drm.h revision 1.4
1 /* $NetBSD: tegra_drm.h,v 1.4 2015/11/14 11:55:36 jmcneill Exp $ */ 2 3 /*- 4 * Copyright (c) 2015 Jared D. McNeill <jmcneill (at) invisible.ca> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #ifndef _ARM_TEGRA_DRM_H 30 #define _ARM_TEGRA_DRM_H 31 32 #include <drm/drm_fb_helper.h> 33 34 #define DRIVER_AUTHOR "Jared McNeill" 35 36 #define DRIVER_NAME "tegra" 37 #define DRIVER_DESC "NVIDIA Tegra K1" 38 #define DRIVER_DATE "20151108" 39 40 #define DRIVER_MAJOR 0 41 #define DRIVER_MINOR 1 42 #define DRIVER_PATCHLEVEL 0 43 44 struct tegra_framebuffer; 45 46 struct tegra_gem_object; 47 48 struct tegra_drm_softc { 49 device_t sc_dev; 50 struct drm_device *sc_ddev; 51 52 bus_space_tag_t sc_bst; 53 bus_dma_tag_t sc_dmat; 54 55 device_t sc_ddcdev; 56 struct tegra_gpio_pin *sc_pin_hpd; 57 struct tegra_gpio_pin *sc_pin_pll; 58 struct tegra_gpio_pin *sc_pin_power; 59 60 bool sc_force_dvi; 61 62 uint32_t sc_vbl_received[2]; 63 }; 64 65 struct tegra_drmfb_attach_args { 66 struct drm_device *tfa_drm_dev; 67 struct drm_fb_helper *tfa_fb_helper; 68 struct drm_fb_helper_surface_size tfa_fb_sizes; 69 bus_space_tag_t tfa_fb_bst; 70 bus_dma_tag_t tfa_fb_dmat; 71 }; 72 73 struct tegra_crtc { 74 struct drm_crtc base; 75 bus_space_tag_t bst; 76 bus_space_handle_t bsh; 77 bus_size_t size; 78 int intr; 79 int index; 80 void *ih; 81 bool enabled; 82 83 struct tegra_gem_object *cursor_obj; 84 int cursor_x; 85 int cursor_y; 86 }; 87 88 struct tegra_encoder { 89 struct drm_encoder base; 90 bus_space_tag_t bst; 91 bus_space_handle_t bsh; 92 bus_size_t size; 93 }; 94 95 struct tegra_connector { 96 struct drm_connector base; 97 device_t ddcdev; 98 struct i2c_adapter *adapter; 99 struct tegra_gpio_pin *hpd; 100 101 bool has_hdmi_sink; 102 bool has_audio; 103 }; 104 105 struct tegra_gem_object { 106 struct drm_gem_object base; 107 bus_dma_tag_t dmat; 108 bus_dma_segment_t dmasegs[1]; 109 bus_size_t dmasize; 110 bus_dmamap_t dmamap; 111 void *dmap; 112 }; 113 114 struct tegra_framebuffer { 115 struct drm_framebuffer base; 116 struct tegra_gem_object *obj; 117 }; 118 119 struct tegra_fbdev { 120 struct drm_fb_helper helper; 121 }; 122 123 #define HDMI_READ(enc, reg) \ 124 bus_space_read_4((enc)->bst, (enc)->bsh, (reg)) 125 #define HDMI_WRITE(enc, reg, val) \ 126 bus_space_write_4((enc)->bst, (enc)->bsh, (reg), (val)) 127 #define HDMI_SET_CLEAR(enc, reg, set, clr) \ 128 tegra_reg_set_clear((enc)->bst, (enc)->bsh, (reg), (set), (clr)) 129 130 #define DC_READ(crtc, reg) \ 131 bus_space_read_4((crtc)->bst, (crtc)->bsh, (reg)) 132 #define DC_WRITE(crtc, reg, val) \ 133 bus_space_write_4((crtc)->bst, (crtc)->bsh, (reg), (val)) 134 #define DC_SET_CLEAR(crtc, reg, set, clr) \ 135 tegra_reg_set_clear((crtc)->bst, (crtc)->bsh, (reg), (set), (clr)) 136 137 #define TEGRA_DC_DEPTH 32 138 139 #define tegra_drm_private(ddev) (ddev)->dev_private 140 #define to_tegra_crtc(x) container_of(x, struct tegra_crtc, base) 141 #define to_tegra_encoder(x) container_of(x, struct tegra_encoder, base) 142 #define to_tegra_connector(x) container_of(x, struct tegra_connector, base) 143 #define to_tegra_framebuffer(x) container_of(x, struct tegra_framebuffer, base) 144 #define to_tegra_fbdev(x) container_of(x, struct tegra_fbdev, helper) 145 #define to_tegra_gem_obj(x) container_of(x, struct tegra_gem_object, base) 146 147 int tegra_drm_mode_init(struct drm_device *); 148 int tegra_drm_fb_init(struct drm_device *); 149 u32 tegra_drm_get_vblank_counter(struct drm_device *, int); 150 int tegra_drm_enable_vblank(struct drm_device *, int); 151 void tegra_drm_disable_vblank(struct drm_device *, int); 152 int tegra_drm_framebuffer_init(struct drm_device *, 153 struct tegra_framebuffer *); 154 155 struct tegra_gem_object *tegra_drm_obj_alloc(struct drm_device *, size_t); 156 void tegra_drm_obj_free(struct tegra_gem_object *); 157 158 int tegra_drm_gem_fault(struct uvm_faultinfo *, vaddr_t, struct vm_page **, 159 int, int, vm_prot_t, int); 160 void tegra_drm_gem_free_object(struct drm_gem_object *); 161 162 #endif /* _ARM_TEGRA_DRM_H */ 163
Indexes created Mon Sep 29 21:09:56 GMT 2025