1 1.2 riastrad /* $NetBSD: rk_drm.h,v 1.2 2021/12/19 12:28:27 riastradh Exp $ */ 2 1.1 jmcneill 3 1.1 jmcneill /*- 4 1.1 jmcneill * Copyright (c) 2019 Jared D. McNeill <jmcneill (at) invisible.ca> 5 1.1 jmcneill * All rights reserved. 6 1.1 jmcneill * 7 1.1 jmcneill * Redistribution and use in source and binary forms, with or without 8 1.1 jmcneill * modification, are permitted provided that the following conditions 9 1.1 jmcneill * are met: 10 1.1 jmcneill * 1. Redistributions of source code must retain the above copyright 11 1.1 jmcneill * notice, this list of conditions and the following disclaimer. 12 1.1 jmcneill * 2. Redistributions in binary form must reproduce the above copyright 13 1.1 jmcneill * notice, this list of conditions and the following disclaimer in the 14 1.1 jmcneill * documentation and/or other materials provided with the distribution. 15 1.1 jmcneill * 16 1.1 jmcneill * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 1.1 jmcneill * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 1.1 jmcneill * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 1.1 jmcneill * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 1.1 jmcneill * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 1.1 jmcneill * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 22 1.1 jmcneill * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 1.1 jmcneill * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 1.1 jmcneill * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 1.1 jmcneill * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 1.1 jmcneill * SUCH DAMAGE. 27 1.1 jmcneill */ 28 1.1 jmcneill 29 1.1 jmcneill #ifndef _ARM_RK_DRM_H 30 1.1 jmcneill #define _ARM_RK_DRM_H 31 1.1 jmcneill 32 1.2 riastrad #include <sys/workqueue.h> 33 1.1 jmcneill #include <drm/drm_fb_helper.h> 34 1.1 jmcneill #include <drm/drm_gem_cma_helper.h> 35 1.1 jmcneill 36 1.1 jmcneill #define DRIVER_AUTHOR "Jared McNeill" 37 1.1 jmcneill 38 1.1 jmcneill #define DRIVER_NAME "rk" 39 1.1 jmcneill #define DRIVER_DESC "Rockchip Display Subsystem" 40 1.1 jmcneill #define DRIVER_DATE "20191109" 41 1.1 jmcneill 42 1.1 jmcneill #define DRIVER_MAJOR 1 43 1.1 jmcneill #define DRIVER_MINOR 0 44 1.1 jmcneill #define DRIVER_PATCHLEVEL 0 45 1.1 jmcneill 46 1.1 jmcneill struct rk_framebuffer; 47 1.1 jmcneill 48 1.1 jmcneill #define RK_DRM_MAX_CRTC 2 49 1.1 jmcneill 50 1.1 jmcneill struct rk_drm_vblank { 51 1.1 jmcneill void *priv; 52 1.1 jmcneill void (*enable_vblank)(void *); 53 1.1 jmcneill void (*disable_vblank)(void *); 54 1.1 jmcneill uint32_t (*get_vblank_counter)(void *); 55 1.1 jmcneill }; 56 1.1 jmcneill 57 1.1 jmcneill struct rk_drm_softc { 58 1.1 jmcneill device_t sc_dev; 59 1.1 jmcneill struct drm_device *sc_ddev; 60 1.1 jmcneill 61 1.1 jmcneill bus_space_tag_t sc_bst; 62 1.1 jmcneill bus_dma_tag_t sc_dmat; 63 1.1 jmcneill 64 1.1 jmcneill int sc_phandle; 65 1.1 jmcneill 66 1.2 riastrad struct lwp *sc_task_thread; 67 1.2 riastrad SIMPLEQ_HEAD(, rk_drm_task) sc_tasks; 68 1.2 riastrad struct workqueue *sc_task_wq; 69 1.2 riastrad 70 1.2 riastrad bool sc_dev_registered; 71 1.2 riastrad 72 1.1 jmcneill struct rk_drm_vblank sc_vbl[RK_DRM_MAX_CRTC]; 73 1.1 jmcneill }; 74 1.1 jmcneill 75 1.1 jmcneill struct rk_drm_framebuffer { 76 1.1 jmcneill struct drm_framebuffer base; 77 1.1 jmcneill struct drm_gem_cma_object *obj; 78 1.1 jmcneill }; 79 1.1 jmcneill 80 1.1 jmcneill struct rk_drm_ports { 81 1.1 jmcneill int phandle; 82 1.1 jmcneill struct fdt_device_ports *port; 83 1.1 jmcneill struct drm_device *ddev; 84 1.1 jmcneill TAILQ_ENTRY(rk_drm_ports) entries; 85 1.1 jmcneill }; 86 1.1 jmcneill 87 1.1 jmcneill struct rk_drm_fbdev { 88 1.1 jmcneill struct drm_fb_helper helper; 89 1.1 jmcneill }; 90 1.1 jmcneill 91 1.1 jmcneill struct rk_drmfb_attach_args { 92 1.1 jmcneill struct drm_device *sfa_drm_dev; 93 1.1 jmcneill struct drm_fb_helper *sfa_fb_helper; 94 1.1 jmcneill struct drm_fb_helper_surface_size sfa_fb_sizes; 95 1.1 jmcneill bus_space_tag_t sfa_fb_bst; 96 1.1 jmcneill bus_dma_tag_t sfa_fb_dmat; 97 1.1 jmcneill uint32_t sfa_fb_linebytes; 98 1.1 jmcneill }; 99 1.1 jmcneill 100 1.2 riastrad struct rk_drm_task { 101 1.2 riastrad union { 102 1.2 riastrad SIMPLEQ_ENTRY(rk_drm_task) queue; 103 1.2 riastrad struct work work; 104 1.2 riastrad } rdt_u; 105 1.2 riastrad void (*rdt_fn)(struct rk_drm_task *); 106 1.2 riastrad }; 107 1.2 riastrad 108 1.1 jmcneill #define rk_drm_private(ddev) (ddev)->dev_private 109 1.1 jmcneill #define to_rk_drm_framebuffer(x) container_of(x, struct rk_drm_framebuffer, base) 110 1.1 jmcneill 111 1.1 jmcneill int rk_drm_register_port(int, struct fdt_device_ports *); 112 1.1 jmcneill struct drm_device *rk_drm_port_device(struct fdt_device_ports *); 113 1.1 jmcneill 114 1.2 riastrad void rk_task_init(struct rk_drm_task *, 115 1.2 riastrad void (*)(struct rk_drm_task *)); 116 1.2 riastrad void rk_task_schedule(device_t, struct rk_drm_task *); 117 1.2 riastrad 118 1.1 jmcneill #endif /* _ARM_RK_DRM_H */ 119