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 #ifndef __AMDGPU_DM_H__ 27 #define __AMDGPU_DM_H__ 28 29 #include <drm/drmP.h> 30 #include <drm/drm_atomic.h> 31 32 /* 33 * This file contains the definition for amdgpu_display_manager 34 * and its API for amdgpu driver's use. 35 * This component provides all the display related functionality 36 * and this is the only component that calls DAL API. 37 * The API contained here intended for amdgpu driver use. 38 * The API that is called directly from KMS framework is located 39 * in amdgpu_dm_kms.h file 40 */ 41 42 #define AMDGPU_DM_MAX_DISPLAY_INDEX 31 43 /* 44 #include "include/amdgpu_dal_power_if.h" 45 #include "amdgpu_dm_irq.h" 46 */ 47 48 #include "irq_types.h" 49 #include "signal_types.h" 50 51 /* Forward declarations */ 52 struct amdgpu_device; 53 struct drm_device; 54 struct amdgpu_dm_irq_handler_data; 55 struct dc; 56 57 struct common_irq_params { 58 struct amdgpu_device *adev; 59 enum dc_irq_source irq_src; 60 }; 61 62 struct irq_list_head { 63 struct list_head head; 64 /* In case this interrupt needs post-processing, 'work' will be queued*/ 65 struct work_struct work; 66 }; 67 68 struct dm_comressor_info { 69 void *cpu_addr; 70 struct amdgpu_bo *bo_ptr; 71 uint64_t gpu_addr; 72 }; 73 74 struct amdgpu_display_manager { 75 struct dc *dc; 76 struct cgs_device *cgs_device; 77 78 struct amdgpu_device *adev; /*AMD base driver*/ 79 struct drm_device *ddev; /*DRM base driver*/ 80 u16 display_indexes_num; 81 82 /* 83 * 'irq_source_handler_table' holds a list of handlers 84 * per (DAL) IRQ source. 85 * 86 * Each IRQ source may need to be handled at different contexts. 87 * By 'context' we mean, for example: 88 * - The ISR context, which is the direct interrupt handler. 89 * - The 'deferred' context - this is the post-processing of the 90 * interrupt, but at a lower priority. 91 * 92 * Note that handlers are called in the same order as they were 93 * registered (FIFO). 94 */ 95 struct irq_list_head irq_handler_list_low_tab[DAL_IRQ_SOURCES_NUMBER]; 96 struct list_head irq_handler_list_high_tab[DAL_IRQ_SOURCES_NUMBER]; 97 98 struct common_irq_params 99 pflip_params[DC_IRQ_SOURCE_PFLIP_LAST - DC_IRQ_SOURCE_PFLIP_FIRST + 1]; 100 101 struct common_irq_params 102 vblank_params[DC_IRQ_SOURCE_VBLANK6 - DC_IRQ_SOURCE_VBLANK1 + 1]; 103 104 /* this spin lock synchronizes access to 'irq_handler_list_table' */ 105 spinlock_t irq_handler_list_table_lock; 106 107 struct backlight_device *backlight_dev; 108 109 const struct dc_link *backlight_link; 110 111 struct work_struct mst_hotplug_work; 112 113 struct mod_freesync *freesync_module; 114 115 /** 116 * Caches device atomic state for suspend/resume 117 */ 118 struct drm_atomic_state *cached_state; 119 120 struct dm_comressor_info compressor; 121 122 const struct firmware *fw_dmcu; 123 uint32_t dmcu_fw_version; 124 }; 125 126 struct amdgpu_dm_connector { 127 128 struct drm_connector base; 129 uint32_t connector_id; 130 131 /* we need to mind the EDID between detect 132 and get modes due to analog/digital/tvencoder */ 133 struct edid *edid; 134 135 /* shared with amdgpu */ 136 struct amdgpu_hpd hpd; 137 138 /* number of modes generated from EDID at 'dc_sink' */ 139 int num_modes; 140 141 /* The 'old' sink - before an HPD. 142 * The 'current' sink is in dc_link->sink. */ 143 struct dc_sink *dc_sink; 144 struct dc_link *dc_link; 145 struct dc_sink *dc_em_sink; 146 147 /* DM only */ 148 struct drm_dp_mst_topology_mgr mst_mgr; 149 struct amdgpu_dm_dp_aux dm_dp_aux; 150 struct drm_dp_mst_port *port; 151 struct amdgpu_dm_connector *mst_port; 152 struct amdgpu_encoder *mst_encoder; 153 154 /* TODO see if we can merge with ddc_bus or make a dm_connector */ 155 struct amdgpu_i2c_adapter *i2c; 156 157 /* Monitor range limits */ 158 int min_vfreq ; 159 int max_vfreq ; 160 int pixel_clock_mhz; 161 162 struct mutex hpd_lock; 163 164 bool fake_enable; 165 166 bool mst_connected; 167 }; 168 169 #define to_amdgpu_dm_connector(x) container_of(x, struct amdgpu_dm_connector, base) 170 171 extern const struct amdgpu_ip_block_version dm_ip_block; 172 173 struct amdgpu_framebuffer; 174 struct amdgpu_display_manager; 175 struct dc_validation_set; 176 struct dc_plane_state; 177 178 struct dm_plane_state { 179 struct drm_plane_state base; 180 struct dc_plane_state *dc_state; 181 }; 182 183 struct dm_crtc_state { 184 struct drm_crtc_state base; 185 struct dc_stream_state *stream; 186 187 int crc_skip_count; 188 bool crc_enabled; 189 190 bool freesync_enabled; 191 struct dc_crtc_timing_adjust adjust; 192 struct dc_info_packet vrr_infopacket; 193 }; 194 195 #define to_dm_crtc_state(x) container_of(x, struct dm_crtc_state, base) 196 197 struct dm_atomic_state { 198 struct drm_atomic_state base; 199 200 struct dc_state *context; 201 }; 202 203 #define to_dm_atomic_state(x) container_of(x, struct dm_atomic_state, base) 204 205 struct dm_connector_state { 206 struct drm_connector_state base; 207 208 enum amdgpu_rmx_type scaling; 209 uint8_t underscan_vborder; 210 uint8_t underscan_hborder; 211 bool underscan_enable; 212 bool freesync_enable; 213 bool freesync_capable; 214 }; 215 216 #define to_dm_connector_state(x)\ 217 container_of((x), struct dm_connector_state, base) 218 219 void amdgpu_dm_connector_funcs_reset(struct drm_connector *connector); 220 struct drm_connector_state * 221 amdgpu_dm_connector_atomic_duplicate_state(struct drm_connector *connector); 222 int amdgpu_dm_connector_atomic_set_property(struct drm_connector *connector, 223 struct drm_connector_state *state, 224 struct drm_property *property, 225 uint64_t val); 226 227 int amdgpu_dm_connector_atomic_get_property(struct drm_connector *connector, 228 const struct drm_connector_state *state, 229 struct drm_property *property, 230 uint64_t *val); 231 232 int amdgpu_dm_get_encoder_crtc_mask(struct amdgpu_device *adev); 233 234 void amdgpu_dm_connector_init_helper(struct amdgpu_display_manager *dm, 235 struct amdgpu_dm_connector *aconnector, 236 int connector_type, 237 struct dc_link *link, 238 int link_index); 239 240 enum drm_mode_status amdgpu_dm_connector_mode_valid(struct drm_connector *connector, 241 struct drm_display_mode *mode); 242 243 void dm_restore_drm_connector_state(struct drm_device *dev, 244 struct drm_connector *connector); 245 246 void amdgpu_dm_update_freesync_caps(struct drm_connector *connector, 247 struct edid *edid); 248 249 /* amdgpu_dm_crc.c */ 250 #ifdef CONFIG_DEBUG_FS 251 int amdgpu_dm_crtc_set_crc_source(struct drm_crtc *crtc, const char *src_name); 252 int amdgpu_dm_crtc_verify_crc_source(struct drm_crtc *crtc, 253 const char *src_name, 254 size_t *values_cnt); 255 void amdgpu_dm_crtc_handle_crc_irq(struct drm_crtc *crtc); 256 #else 257 #define amdgpu_dm_crtc_set_crc_source NULL 258 #define amdgpu_dm_crtc_verify_crc_source NULL 259 #define amdgpu_dm_crtc_handle_crc_irq(x) 260 #endif 261 262 #define MAX_COLOR_LUT_ENTRIES 4096 263 /* Legacy gamm LUT users such as X doesn't like large LUT sizes */ 264 #define MAX_COLOR_LEGACY_LUT_ENTRIES 256 265 266 void amdgpu_dm_init_color_mod(void); 267 int amdgpu_dm_set_degamma_lut(struct drm_crtc_state *crtc_state, 268 struct dc_plane_state *dc_plane_state); 269 void amdgpu_dm_set_ctm(struct dm_crtc_state *crtc); 270 int amdgpu_dm_set_regamma_lut(struct dm_crtc_state *crtc); 271 272 extern const struct drm_encoder_helper_funcs amdgpu_dm_encoder_helper_funcs; 273 274 #endif /* __AMDGPU_DM_H__ */ 275