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 /** 27 * This file defines external dependencies of Display Core. 28 */ 29 30 #ifndef __DM_SERVICES_H__ 31 32 #define __DM_SERVICES_H__ 33 34 /* TODO: remove when DC is complete. */ 35 #include "dm_services_types.h" 36 #include "logger_interface.h" 37 #include "link_service_types.h" 38 39 #undef DEPRECATED 40 41 struct dmub_srv; 42 struct dc_dmub_srv; 43 union dmub_rb_cmd; 44 45 irq_handler_idx dm_register_interrupt( 46 struct dc_context *ctx, 47 struct dc_interrupt_params *int_params, 48 interrupt_handler ih, 49 void *handler_args); 50 51 /* 52 * 53 * GPU registers access 54 * 55 */ 56 uint32_t dm_read_reg_func(const struct dc_context *ctx, uint32_t address, 57 const char *func_name); 58 59 /* enable for debugging new code, this adds 50k to the driver size. */ 60 /* #define DM_CHECK_ADDR_0 */ 61 62 void dm_write_reg_func(const struct dc_context *ctx, uint32_t address, 63 uint32_t value, const char *func_name); 64 65 #define dm_read_reg(ctx, address) \ 66 dm_read_reg_func(ctx, address, __func__) 67 68 #define dm_write_reg(ctx, address, value) \ 69 dm_write_reg_func(ctx, address, value, __func__) 70 71 static inline uint32_t dm_read_index_reg( 72 const struct dc_context *ctx, 73 enum cgs_ind_reg addr_space, 74 uint32_t index) 75 { 76 return cgs_read_ind_register(ctx->cgs_device, addr_space, index); 77 } 78 79 static inline void dm_write_index_reg( 80 const struct dc_context *ctx, 81 enum cgs_ind_reg addr_space, 82 uint32_t index, 83 uint32_t value) 84 { 85 cgs_write_ind_register(ctx->cgs_device, addr_space, index, value); 86 } 87 88 static inline uint32_t get_reg_field_value_ex( 89 uint32_t reg_value, 90 uint32_t mask, 91 uint8_t shift) 92 { 93 return (mask & reg_value) >> shift; 94 } 95 96 #define get_reg_field_value(reg_value, reg_name, reg_field)\ 97 get_reg_field_value_ex(\ 98 (reg_value),\ 99 reg_name ## __ ## reg_field ## _MASK,\ 100 reg_name ## __ ## reg_field ## __SHIFT) 101 102 static inline uint32_t set_reg_field_value_ex( 103 uint32_t reg_value, 104 uint32_t value, 105 uint32_t mask, 106 uint8_t shift) 107 { 108 ASSERT(mask != 0); 109 return (reg_value & ~mask) | (mask & (value << shift)); 110 } 111 112 #define set_reg_field_value(reg_value, value, reg_name, reg_field)\ 113 (reg_value) = set_reg_field_value_ex(\ 114 (reg_value),\ 115 (value),\ 116 reg_name ## __ ## reg_field ## _MASK,\ 117 reg_name ## __ ## reg_field ## __SHIFT) 118 119 uint32_t generic_reg_set_ex(const struct dc_context *ctx, 120 uint32_t addr, uint32_t reg_val, int n, 121 uint8_t shift1, uint32_t mask1, uint32_t field_value1, ...); 122 123 uint32_t generic_reg_update_ex(const struct dc_context *ctx, 124 uint32_t addr, int n, 125 uint8_t shift1, uint32_t mask1, uint32_t field_value1, ...); 126 127 struct dc_dmub_srv *dc_dmub_srv_create(struct dc *dc, struct dmub_srv *dmub); 128 void dc_dmub_srv_destroy(struct dc_dmub_srv **dmub_srv); 129 130 void reg_sequence_start_gather(const struct dc_context *ctx); 131 void reg_sequence_start_execute(const struct dc_context *ctx); 132 void reg_sequence_wait_done(const struct dc_context *ctx); 133 134 #define FD(reg_field) reg_field ## __SHIFT, \ 135 reg_field ## _MASK 136 137 /* 138 * return number of poll before condition is met 139 * return 0 if condition is not meet after specified time out tries 140 */ 141 void generic_reg_wait(const struct dc_context *ctx, 142 uint32_t addr, uint32_t mask, uint32_t shift, uint32_t condition_value, 143 unsigned int delay_between_poll_us, unsigned int time_out_num_tries, 144 const char *func_name, int line); 145 146 unsigned int snprintf_count(char *pBuf, unsigned int bufSize, char *fmt, ...); 147 148 /* These macros need to be used with soc15 registers in order to retrieve 149 * the actual offset. 150 */ 151 #define dm_write_reg_soc15(ctx, reg, inst_offset, value) \ 152 dm_write_reg_func(ctx, reg + DCE_BASE.instance[0].segment[reg##_BASE_IDX] + inst_offset, value, __func__) 153 154 #define dm_read_reg_soc15(ctx, reg, inst_offset) \ 155 dm_read_reg_func(ctx, reg + DCE_BASE.instance[0].segment[reg##_BASE_IDX] + inst_offset, __func__) 156 157 #define generic_reg_update_soc15(ctx, inst_offset, reg_name, n, ...)\ 158 generic_reg_update_ex(ctx, DCE_BASE.instance[0].segment[mm##reg_name##_BASE_IDX] + mm##reg_name + inst_offset, \ 159 n, __VA_ARGS__) 160 161 #define generic_reg_set_soc15(ctx, inst_offset, reg_name, n, ...)\ 162 generic_reg_set_ex(ctx, DCE_BASE.instance[0].segment[mm##reg_name##_BASE_IDX] + mm##reg_name + inst_offset, 0, \ 163 n, __VA_ARGS__) 164 165 #define get_reg_field_value_soc15(reg_value, block, reg_num, reg_name, reg_field)\ 166 get_reg_field_value_ex(\ 167 (reg_value),\ 168 block ## reg_num ## _ ## reg_name ## __ ## reg_field ## _MASK,\ 169 block ## reg_num ## _ ## reg_name ## __ ## reg_field ## __SHIFT) 170 171 #define set_reg_field_value_soc15(reg_value, value, block, reg_num, reg_name, reg_field)\ 172 (reg_value) = set_reg_field_value_ex(\ 173 (reg_value),\ 174 (value),\ 175 block ## reg_num ## _ ## reg_name ## __ ## reg_field ## _MASK,\ 176 block ## reg_num ## _ ## reg_name ## __ ## reg_field ## __SHIFT) 177 178 /************************************** 179 * Power Play (PP) interfaces 180 **************************************/ 181 182 /* Gets valid clocks levels from pplib 183 * 184 * input: clk_type - display clk / sclk / mem clk 185 * 186 * output: array of valid clock levels for given type in ascending order, 187 * with invalid levels filtered out 188 * 189 */ 190 bool dm_pp_get_clock_levels_by_type( 191 const struct dc_context *ctx, 192 enum dm_pp_clock_type clk_type, 193 struct dm_pp_clock_levels *clk_level_info); 194 195 bool dm_pp_get_clock_levels_by_type_with_latency( 196 const struct dc_context *ctx, 197 enum dm_pp_clock_type clk_type, 198 struct dm_pp_clock_levels_with_latency *clk_level_info); 199 200 bool dm_pp_get_clock_levels_by_type_with_voltage( 201 const struct dc_context *ctx, 202 enum dm_pp_clock_type clk_type, 203 struct dm_pp_clock_levels_with_voltage *clk_level_info); 204 205 bool dm_pp_notify_wm_clock_changes( 206 const struct dc_context *ctx, 207 struct dm_pp_wm_sets_with_clock_ranges *wm_with_clock_ranges); 208 209 void dm_pp_get_funcs(struct dc_context *ctx, 210 struct pp_smu_funcs *funcs); 211 212 /* DAL calls this function to notify PP about completion of Mode Set. 213 * For PP it means that current DCE clocks are those which were returned 214 * by dc_service_pp_pre_dce_clock_change(), in the 'output' parameter. 215 * 216 * If the clocks are higher than before, then PP does nothing. 217 * 218 * If the clocks are lower than before, then PP reduces the voltage. 219 * 220 * \returns true - call is successful 221 * false - call failed 222 */ 223 bool dm_pp_apply_display_requirements( 224 const struct dc_context *ctx, 225 const struct dm_pp_display_configuration *pp_display_cfg); 226 227 bool dm_pp_apply_power_level_change_request( 228 const struct dc_context *ctx, 229 struct dm_pp_power_level_change_request *level_change_req); 230 231 bool dm_pp_apply_clock_for_voltage_request( 232 const struct dc_context *ctx, 233 struct dm_pp_clock_for_voltage_req *clock_for_voltage_req); 234 235 bool dm_pp_get_static_clocks( 236 const struct dc_context *ctx, 237 struct dm_pp_static_clock_info *static_clk_info); 238 239 /****** end of PP interfaces ******/ 240 241 struct persistent_data_flag { 242 bool save_per_link; 243 bool save_per_edid; 244 }; 245 246 bool dm_query_extended_brightness_caps 247 (struct dc_context *ctx, enum dm_acpi_display_type display, 248 struct dm_acpi_atif_backlight_caps *pCaps); 249 250 bool dm_dmcu_set_pipe(struct dc_context *ctx, unsigned int controller_id); 251 252 /* 253 * 254 * print-out services 255 * 256 */ 257 #define dm_log_to_buffer(buffer, size, fmt, args)\ 258 vsnprintf(buffer, size, fmt, args) 259 260 static inline unsigned long long dm_get_timestamp(struct dc_context *ctx) 261 { 262 return ktime_get_raw_ns(); 263 } 264 265 unsigned long long dm_get_elapse_time_in_ns(struct dc_context *ctx, 266 unsigned long long current_time_stamp, 267 unsigned long long last_time_stamp); 268 269 /* 270 * performance tracing 271 */ 272 void dm_perf_trace_timestamp(const char *func_name, unsigned int line, struct dc_context *ctx); 273 274 #define PERF_TRACE() dm_perf_trace_timestamp(__func__, __LINE__, CTX) 275 #define PERF_TRACE_CTX(__CTX) dm_perf_trace_timestamp(__func__, __LINE__, __CTX) 276 277 /* 278 * DMUB Interfaces 279 */ 280 bool dm_execute_dmub_cmd(const struct dc_context *ctx, union dmub_rb_cmd *cmd, enum dm_dmub_wait_type wait_type); 281 bool dm_execute_dmub_cmd_list(const struct dc_context *ctx, unsigned int count, union dmub_rb_cmd *cmd, enum dm_dmub_wait_type wait_type); 282 283 /* 284 * Debug and verification hooks 285 */ 286 287 void dm_dtn_log_begin(struct dc_context *ctx, 288 struct dc_log_buffer_ctx *log_ctx); 289 void dm_dtn_log_append_v(struct dc_context *ctx, 290 struct dc_log_buffer_ctx *log_ctx, 291 const char *msg, ...); 292 void dm_dtn_log_end(struct dc_context *ctx, 293 struct dc_log_buffer_ctx *log_ctx); 294 295 char *dce_version_to_string(const int version); 296 297 #endif /* __DM_SERVICES_H__ */ 298