1 /* 2 * Copyright © 2014 NVIDIA Corporation 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 */ 22 23 #ifdef HAVE_CONFIG_H 24 # include "config.h" 25 #endif 26 27 #include <errno.h> 28 #include <stdio.h> 29 30 #include "drm-test-tegra.h" 31 #include "tegra.h" 32 33 int drm_tegra_gr2d_open(struct drm_tegra *drm, struct drm_tegra_gr2d **gr2dp) 34 { 35 struct drm_tegra_gr2d *gr2d; 36 int err; 37 38 gr2d = calloc(1, sizeof(*gr2d)); 39 if (!gr2d) 40 return -ENOMEM; 41 42 gr2d->drm = drm; 43 44 err = drm_tegra_channel_open(drm, DRM_TEGRA_GR2D, &gr2d->channel); 45 if (err < 0) { 46 free(gr2d); 47 return err; 48 } 49 50 *gr2dp = gr2d; 51 52 return 0; 53 } 54 55 int drm_tegra_gr2d_close(struct drm_tegra_gr2d *gr2d) 56 { 57 if (!gr2d) 58 return -EINVAL; 59 60 drm_tegra_channel_close(gr2d->channel); 61 free(gr2d); 62 63 return 0; 64 } 65 66 int drm_tegra_gr2d_fill(struct drm_tegra_gr2d *gr2d, struct drm_framebuffer *fb, 67 unsigned int x, unsigned int y, unsigned int width, 68 unsigned int height, uint32_t color) 69 { 70 struct drm_tegra_bo *fbo = fb->data; 71 struct drm_tegra_pushbuf *pushbuf; 72 struct drm_tegra_mapping *map; 73 struct drm_tegra_job *job; 74 uint32_t *ptr; 75 int err; 76 77 err = drm_tegra_job_new(gr2d->channel, &job); 78 if (err < 0) 79 return err; 80 81 err = drm_tegra_channel_map(gr2d->channel, fbo, 0, &map); 82 if (err < 0) 83 return err; 84 85 err = drm_tegra_job_get_pushbuf(job, &pushbuf); 86 if (err < 0) 87 return err; 88 89 err = drm_tegra_pushbuf_begin(pushbuf, 32, &ptr); 90 if (err < 0) 91 return err; 92 93 *ptr++ = HOST1X_OPCODE_SETCL(0, HOST1X_CLASS_GR2D, 0); 94 95 *ptr++ = HOST1X_OPCODE_MASK(0x9, 0x9); 96 *ptr++ = 0x0000003a; 97 *ptr++ = 0x00000000; 98 99 *ptr++ = HOST1X_OPCODE_MASK(0x1e, 0x7); 100 *ptr++ = 0x00000000; 101 *ptr++ = (2 << 16) | (1 << 6) | (1 << 2); 102 *ptr++ = 0x000000cc; 103 104 *ptr++ = HOST1X_OPCODE_MASK(0x2b, 0x9); 105 106 /* relocate destination buffer */ 107 err = drm_tegra_pushbuf_relocate(pushbuf, &ptr, map, 0, 0, 0); 108 if (err < 0) { 109 fprintf(stderr, "failed to relocate buffer object: %d\n", err); 110 return err; 111 } 112 113 *ptr++ = fb->pitch; 114 115 *ptr++ = HOST1X_OPCODE_NONINCR(0x35, 1); 116 *ptr++ = color; 117 118 *ptr++ = HOST1X_OPCODE_NONINCR(0x46, 1); 119 *ptr++ = 0x00000000; 120 121 *ptr++ = HOST1X_OPCODE_MASK(0x38, 0x5); 122 *ptr++ = height << 16 | width; 123 *ptr++ = y << 16 | x; 124 125 err = drm_tegra_pushbuf_end(pushbuf, ptr); 126 if (err < 0) { 127 fprintf(stderr, "failed to update push buffer: %d\n", -err); 128 return err; 129 } 130 131 err = drm_tegra_job_submit(job, NULL); 132 if (err < 0) { 133 fprintf(stderr, "failed to submit job: %d\n", err); 134 return err; 135 } 136 137 err = drm_tegra_job_wait(job, 0); 138 if (err < 0) { 139 fprintf(stderr, "failed to wait for fence: %d\n", err); 140 return err; 141 } 142 143 drm_tegra_channel_unmap(map); 144 drm_tegra_job_free(job); 145 146 return 0; 147 } 148