1 /* $NetBSD: ti_lcdc.h,v 1.1 2019/11/03 22:59:06 jmcneill Exp $ */ 2 3 /*- 4 * Copyright (c) 2019 Jared D. McNeill <jmcneill@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_TI_TI_LCDC_H 30 #define _ARM_TI_TI_LCDC_H 31 32 #include <drm/drm_fb_helper.h> 33 #include <drm/drm_gem_cma_helper.h> 34 35 #define DRIVER_AUTHOR "NetBSD" 36 37 #define DRIVER_NAME "tilcdc" 38 #define DRIVER_DESC "TI LCDC" 39 #define DRIVER_DATE "20191103" 40 41 #define DRIVER_MAJOR 1 42 #define DRIVER_MINOR 0 43 #define DRIVER_PATCHLEVEL 0 44 45 struct tilcdc_softc; 46 struct tilcdc_framebuffer; 47 48 struct tilcdc_vblank { 49 void *priv; 50 void (*enable_vblank)(void *); 51 void (*disable_vblank)(void *); 52 uint32_t (*get_vblank_counter)(void *); 53 }; 54 55 struct tilcdc_crtc { 56 struct drm_crtc base; 57 struct tilcdc_softc *sc; 58 }; 59 60 struct tilcdc_encoder { 61 struct drm_encoder base; 62 struct tilcdc_softc *sc; 63 }; 64 65 struct tilcdc_softc { 66 device_t sc_dev; 67 struct drm_device *sc_ddev; 68 69 bus_space_tag_t sc_bst; 70 bus_space_handle_t sc_bsh; 71 bus_dma_tag_t sc_dmat; 72 73 struct clk *sc_clk; 74 int sc_phandle; 75 76 struct tilcdc_crtc sc_crtc; 77 struct tilcdc_encoder sc_encoder; 78 struct tilcdc_vblank sc_vbl; 79 80 struct fdt_device_ports sc_ports; 81 }; 82 83 struct tilcdc_framebuffer { 84 struct drm_framebuffer base; 85 struct drm_gem_cma_object *obj; 86 }; 87 88 struct tilcdc_fbdev { 89 struct drm_fb_helper helper; 90 }; 91 92 struct tilcdcfb_attach_args { 93 struct drm_device *tfa_drm_dev; 94 struct drm_fb_helper *tfa_fb_helper; 95 struct drm_fb_helper_surface_size tfa_fb_sizes; 96 bus_space_tag_t tfa_fb_bst; 97 bus_dma_tag_t tfa_fb_dmat; 98 uint32_t tfa_fb_linebytes; 99 }; 100 101 #define tilcdc_private(ddev) (ddev)->dev_private 102 #define to_tilcdc_framebuffer(x) container_of(x, struct tilcdc_framebuffer, base) 103 #define to_tilcdc_crtc(x) container_of(x, struct tilcdc_crtc, base) 104 105 #define RD4(sc, reg) \ 106 bus_space_read_4((sc)->sc_bst, (sc)->sc_bsh, (reg)) 107 #define WR4(sc, reg, val) \ 108 bus_space_write_4((sc)->sc_bst, (sc)->sc_bsh, (reg), (val)) 109 110 #endif /* _ARM_TI_TI_LCDC_H */ 111