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 = DC_SURFACE_TO_CORE(dc_surface); 125 struct core_dc *core_dc; 126 int i; 127 128 if (!dc_surface || 129 !core_surface->ctx || 130 !core_surface->ctx->dc) { 131 ASSERT(0); 132 return NULL; /* remove this if above assert never hit */ 133 } 134 135 surface_status = &core_surface->status; 136 core_dc = DC_TO_CORE(core_surface->ctx->dc); 137 138 if (core_dc->current_context == NULL) 139 return NULL; 140 141 for (i = 0; i < core_dc->current_context->res_ctx.pool->pipe_count; 142 i++) { 143 struct pipe_ctx *pipe_ctx = 144 &core_dc->current_context->res_ctx.pipe_ctx[i]; 145 146 if (pipe_ctx->surface != core_surface) 147 continue; 148 149 core_dc->hwss.update_pending_status(pipe_ctx); 150 } 151 152 return surface_status; 153 } 154 155 void dc_surface_retain(const struct dc_surface *dc_surface) 156 { 157 struct surface *surface = DC_SURFACE_TO_SURFACE(dc_surface); 158 159 ASSERT(surface->ref_count > 0); 160 ++surface->ref_count; 161 } 162 163 void dc_surface_release(const struct dc_surface *dc_surface) 164 { 165 struct surface *surface = DC_SURFACE_TO_SURFACE(dc_surface); 166 167 ASSERT(surface->ref_count > 0); 168 --surface->ref_count; 169 170 if (surface->ref_count == 0) { 171 destruct(surface); 172 dm_free(surface); 173 } 174 } 175 176 void dc_gamma_retain(const struct dc_gamma *dc_gamma) 177 { 178 struct gamma *gamma = DC_GAMMA_TO_GAMMA(dc_gamma); 179 180 ASSERT(gamma->ref_count > 0); 181 ++gamma->ref_count; 182 } 183 184 void dc_gamma_release(const struct dc_gamma **dc_gamma) 185 { 186 struct gamma *gamma = DC_GAMMA_TO_GAMMA(*dc_gamma); 187 188 ASSERT(gamma->ref_count > 0); 189 --gamma->ref_count; 190 191 if (gamma->ref_count == 0) 192 dm_free(gamma); 193 194 *dc_gamma = NULL; 195 } 196 197 struct dc_gamma *dc_create_gamma() 198 { 199 struct gamma *gamma = dm_alloc(sizeof(*gamma)); 200 201 if (gamma == NULL) 202 goto alloc_fail; 203 204 ++gamma->ref_count; 205 206 return &gamma->protected.public; 207 208 alloc_fail: 209 return NULL; 210 } 211 212 void dc_transfer_func_retain(const struct dc_transfer_func *dc_tf) 213 { 214 struct transfer_func *tf = DC_TRANSFER_FUNC_TO_TRANSFER_FUNC(dc_tf); 215 216 ASSERT(tf->ref_count > 0); 217 ++tf->ref_count; 218 } 219 220 void dc_transfer_func_release(const struct dc_transfer_func *dc_tf) 221 { 222 struct transfer_func *tf = DC_TRANSFER_FUNC_TO_TRANSFER_FUNC(dc_tf); 223 224 ASSERT(tf->ref_count > 0); 225 --tf->ref_count; 226 227 if (tf->ref_count == 0) 228 dm_free(tf); 229 } 230 231 struct dc_transfer_func *dc_create_transfer_func() 232 { 233 struct transfer_func *tf = dm_alloc(sizeof(*tf)); 234 235 if (tf == NULL) 236 goto alloc_fail; 237 238 ++tf->ref_count; 239 240 return &tf->protected.public; 241 242 alloc_fail: 243 return NULL; 244 } 245 246 247