1 /* 2 * Copyright 2015 Advanced Micro Devices, Inc. 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 * Authors: AMD 23 * 24 */ 25 26 /* DC interface (public) */ 27 #include "dm_services.h" 28 #include "dc.h" 29 30 /* DC core (private) */ 31 #include "core_dc.h" 32 #include "transform.h" 33 34 /******************************************************************************* 35 * Private structures 36 ******************************************************************************/ 37 struct surface { 38 struct core_surface protected; 39 enum dc_irq_source irq_source; 40 int ref_count; 41 }; 42 43 struct gamma { 44 struct core_gamma protected; 45 int ref_count; 46 }; 47 48 struct transfer_func { 49 struct core_transfer_func protected; 50 int ref_count; 51 }; 52 53 #define DC_SURFACE_TO_SURFACE(dc_surface) container_of(dc_surface, struct surface, protected.public) 54 #define CORE_SURFACE_TO_SURFACE(core_surface) container_of(core_surface, struct surface, protected) 55 56 #define DC_GAMMA_TO_GAMMA(dc_gamma) \ 57 container_of(dc_gamma, struct gamma, protected.public) 58 #define DC_TRANSFER_FUNC_TO_TRANSFER_FUNC(dc_tf) \ 59 container_of(dc_tf, struct transfer_func, protected.public) 60 #define CORE_GAMMA_TO_GAMMA(core_gamma) \ 61 container_of(core_gamma, struct gamma, protected) 62 63 /******************************************************************************* 64 * Private functions 65 ******************************************************************************/ 66 static bool construct(struct dc_context *ctx, struct surface *surface) 67 { 68 surface->protected.ctx = ctx; 69 memset(&surface->protected.public.hdr_static_ctx, 70 0, sizeof(struct dc_hdr_static_metadata)); 71 return true; 72 } 73 74 static void destruct(struct surface *surface) 75 { 76 if (surface->protected.public.gamma_correction != NULL) { 77 dc_gamma_release(&surface->protected.public.gamma_correction); 78 } 79 if (surface->protected.public.in_transfer_func != NULL) { 80 dc_transfer_func_release( 81 surface->protected.public.in_transfer_func); 82 surface->protected.public.in_transfer_func = NULL; 83 } 84 } 85 86 /******************************************************************************* 87 * Public functions 88 ******************************************************************************/ 89 void enable_surface_flip_reporting(struct dc_surface *dc_surface, 90 uint32_t controller_id) 91 { 92 struct surface *surface = DC_SURFACE_TO_SURFACE(dc_surface); 93 surface->irq_source = controller_id + DC_IRQ_SOURCE_PFLIP1 - 1; 94 /*register_flip_interrupt(surface);*/ 95 } 96 97 struct dc_surface *dc_create_surface(const struct dc *dc) 98 { 99 struct core_dc *core_dc = DC_TO_CORE(dc); 100 101 struct surface *surface = dm_alloc(sizeof(*surface)); 102 103 if (NULL == surface) 104 goto alloc_fail; 105 106 if (false == construct(core_dc->ctx, surface)) 107 goto construct_fail; 108 109 ++surface->ref_count; 110 111 return &surface->protected.public; 112 113 construct_fail: 114 dm_free(surface); 115 116 alloc_fail: 117 return NULL; 118 } 119 120 const struct dc_surface_status *dc_surface_get_status( 121 const struct dc_surface *dc_surface) 122 { 123 struct dc_surface_status *surface_status; 124 struct core_surface *core_surface; 125 struct core_dc *core_dc; 126 int i; 127 128 if (dc_surface == NULL) 129 return NULL; 130 131 core_surface = DC_SURFACE_TO_CORE(dc_surface); 132 133 if (core_surface == NULL || core_surface->ctx == NULL) 134 return NULL; 135 136 surface_status = &core_surface->status; 137 138 if (core_surface->ctx == NULL || core_surface->ctx->dc == NULL) 139 return NULL; 140 141 core_dc = DC_TO_CORE(core_surface->ctx->dc); 142 143 144 if (core_dc->current_context == NULL) 145 return NULL; 146 147 for (i = 0; i < core_dc->current_context->res_ctx.pool->pipe_count; 148 i++) { 149 struct pipe_ctx *pipe_ctx = 150 &core_dc->current_context->res_ctx.pipe_ctx[i]; 151 152 if (pipe_ctx->surface != 153 DC_SURFACE_TO_CORE(dc_surface)) 154 continue; 155 156 core_dc->hwss.update_pending_status(pipe_ctx); 157 } 158 159 return surface_status; 160 } 161 162 void dc_surface_retain(const struct dc_surface *dc_surface) 163 { 164 struct surface *surface = DC_SURFACE_TO_SURFACE(dc_surface); 165 166 ASSERT(surface->ref_count > 0); 167 ++surface->ref_count; 168 } 169 170 void dc_surface_release(const struct dc_surface *dc_surface) 171 { 172 struct surface *surface = DC_SURFACE_TO_SURFACE(dc_surface); 173 174 ASSERT(surface->ref_count > 0); 175 --surface->ref_count; 176 177 if (surface->ref_count == 0) { 178 destruct(surface); 179 dm_free(surface); 180 } 181 } 182 183 void dc_gamma_retain(const struct dc_gamma *dc_gamma) 184 { 185 struct gamma *gamma = DC_GAMMA_TO_GAMMA(dc_gamma); 186 187 ASSERT(gamma->ref_count > 0); 188 ++gamma->ref_count; 189 } 190 191 void dc_gamma_release(const struct dc_gamma **dc_gamma) 192 { 193 struct gamma *gamma = DC_GAMMA_TO_GAMMA(*dc_gamma); 194 195 ASSERT(gamma->ref_count > 0); 196 --gamma->ref_count; 197 198 if (gamma->ref_count == 0) 199 dm_free(gamma); 200 201 *dc_gamma = NULL; 202 } 203 204 struct dc_gamma *dc_create_gamma() 205 { 206 struct gamma *gamma = dm_alloc(sizeof(*gamma)); 207 208 if (gamma == NULL) 209 goto alloc_fail; 210 211 ++gamma->ref_count; 212 213 return &gamma->protected.public; 214 215 alloc_fail: 216 return NULL; 217 } 218 219 void dc_transfer_func_retain(const struct dc_transfer_func *dc_tf) 220 { 221 struct transfer_func *tf = DC_TRANSFER_FUNC_TO_TRANSFER_FUNC(dc_tf); 222 223 ASSERT(tf->ref_count > 0); 224 ++tf->ref_count; 225 } 226 227 void dc_transfer_func_release(const struct dc_transfer_func *dc_tf) 228 { 229 struct transfer_func *tf = DC_TRANSFER_FUNC_TO_TRANSFER_FUNC(dc_tf); 230 231 ASSERT(tf->ref_count > 0); 232 --tf->ref_count; 233 234 if (tf->ref_count == 0) 235 dm_free(tf); 236 } 237 238 struct dc_transfer_func *dc_create_transfer_func() 239 { 240 struct transfer_func *tf = dm_alloc(sizeof(*tf)); 241 242 if (tf == NULL) 243 goto alloc_fail; 244 245 ++tf->ref_count; 246 247 return &tf->protected.public; 248 249 alloc_fail: 250 return NULL; 251 } 252 253 254