2 * Copyright 2012-16 Advanced Micro Devices, Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
26 #ifndef __DAL_CLK_MGR_H__
27 #define __DAL_CLK_MGR_H__
30 #include "dm_pp_smu.h"
32 #define DCN_MINIMUM_DISPCLK_Khz 100000
33 #define DCN_MINIMUM_DPPCLK_Khz 100000
36 #define DDR4_DRAM_WIDTH 64
41 #define WM_SET_COUNT 4
43 #define DCN_MINIMUM_DISPCLK_Khz 100000
44 #define DCN_MINIMUM_DPPCLK_Khz 100000
46 struct dcn3_clk_internal {
49 uint32_t CLK1_CLK0_CURRENT_CNT; //dispclk
50 uint32_t CLK1_CLK1_CURRENT_CNT; //dppclk
51 uint32_t CLK1_CLK2_CURRENT_CNT; //dprefclk
52 uint32_t CLK1_CLK3_CURRENT_CNT; //dcfclk
53 uint32_t CLK1_CLK3_DS_CNTL; //dcf_deep_sleep_divider
54 uint32_t CLK1_CLK3_ALLOW_DS; //dcf_deep_sleep_allow
56 uint32_t CLK1_CLK0_BYPASS_CNTL; //dispclk bypass
57 uint32_t CLK1_CLK1_BYPASS_CNTL; //dppclk bypass
58 uint32_t CLK1_CLK2_BYPASS_CNTL; //dprefclk bypass
59 uint32_t CLK1_CLK3_BYPASS_CNTL; //dcfclk bypass
63 struct dcn301_clk_internal {
65 uint32_t CLK1_CLK0_CURRENT_CNT; //dispclk
66 uint32_t CLK1_CLK1_CURRENT_CNT; //dppclk
67 uint32_t CLK1_CLK2_CURRENT_CNT; //dprefclk
68 uint32_t CLK1_CLK3_CURRENT_CNT; //dcfclk
69 uint32_t CLK1_CLK3_DS_CNTL; //dcf_deep_sleep_divider
70 uint32_t CLK1_CLK3_ALLOW_DS; //dcf_deep_sleep_allow
72 uint32_t CLK1_CLK0_BYPASS_CNTL; //dispclk bypass
73 uint32_t CLK1_CLK1_BYPASS_CNTL; //dppclk bypass
74 uint32_t CLK1_CLK2_BYPASS_CNTL; //dprefclk bypass
75 uint32_t CLK1_CLK3_BYPASS_CNTL; //dcfclk bypass
78 /* Will these bw structures be ASIC specific? */
80 #define MAX_NUM_DPM_LVL 8
81 #define WM_SET_COUNT 4
84 struct clk_limit_table_entry {
85 unsigned int voltage; /* milivolts withh 2 fractional bits */
86 unsigned int dcfclk_mhz;
87 unsigned int fclk_mhz;
88 unsigned int memclk_mhz;
89 unsigned int socclk_mhz;
90 unsigned int dtbclk_mhz;
91 unsigned int dispclk_mhz;
92 unsigned int dppclk_mhz;
93 unsigned int phyclk_mhz;
94 unsigned int phyclk_d18_mhz;
95 unsigned int wck_ratio;
98 /* This table is contiguous */
99 struct clk_limit_table {
100 struct clk_limit_table_entry entries[MAX_NUM_DPM_LVL];
101 unsigned int num_entries;
104 struct wm_range_table_entry {
105 unsigned int wm_inst;
106 unsigned int wm_type;
107 double pstate_latency_us;
108 double sr_exit_time_us;
109 double sr_enter_plus_exit_time_us;
113 struct nv_wm_range_entry {
125 double pstate_latency_us;
126 double sr_exit_time_us;
127 double sr_enter_plus_exit_time_us;
128 double fclk_change_latency_us;
132 struct clk_log_info {
135 unsigned int bufSize;
136 unsigned int *sum_chars_printed;
139 struct clk_state_registers_and_bypass {
141 uint32_t dcf_deep_sleep_divider;
142 uint32_t dcf_deep_sleep_allow;
148 uint32_t dppclk_bypass;
149 uint32_t dcfclk_bypass;
150 uint32_t dprefclk_bypass;
151 uint32_t dispclk_bypass;
154 struct rv1_clk_internal {
155 uint32_t CLK0_CLK8_CURRENT_CNT; //dcfclk
156 uint32_t CLK0_CLK8_DS_CNTL; //dcf_deep_sleep_divider
157 uint32_t CLK0_CLK8_ALLOW_DS; //dcf_deep_sleep_allow
158 uint32_t CLK0_CLK10_CURRENT_CNT; //dprefclk
159 uint32_t CLK0_CLK11_CURRENT_CNT; //dispclk
161 uint32_t CLK0_CLK8_BYPASS_CNTL; //dcfclk bypass
162 uint32_t CLK0_CLK10_BYPASS_CNTL; //dprefclk bypass
163 uint32_t CLK0_CLK11_BYPASS_CNTL; //dispclk bypass
166 struct rn_clk_internal {
167 uint32_t CLK1_CLK0_CURRENT_CNT; //dispclk
168 uint32_t CLK1_CLK1_CURRENT_CNT; //dppclk
169 uint32_t CLK1_CLK2_CURRENT_CNT; //dprefclk
170 uint32_t CLK1_CLK3_CURRENT_CNT; //dcfclk
171 uint32_t CLK1_CLK3_DS_CNTL; //dcf_deep_sleep_divider
172 uint32_t CLK1_CLK3_ALLOW_DS; //dcf_deep_sleep_allow
174 uint32_t CLK1_CLK0_BYPASS_CNTL; //dispclk bypass
175 uint32_t CLK1_CLK1_BYPASS_CNTL; //dppclk bypass
176 uint32_t CLK1_CLK2_BYPASS_CNTL; //dprefclk bypass
177 uint32_t CLK1_CLK3_BYPASS_CNTL; //dcfclk bypass
181 /* For dtn logging and debugging */
182 struct clk_state_registers {
183 uint32_t CLK0_CLK8_CURRENT_CNT; //dcfclk
184 uint32_t CLK0_CLK8_DS_CNTL; //dcf_deep_sleep_divider
185 uint32_t CLK0_CLK8_ALLOW_DS; //dcf_deep_sleep_allow
186 uint32_t CLK0_CLK10_CURRENT_CNT; //dprefclk
187 uint32_t CLK0_CLK11_CURRENT_CNT; //dispclk
190 /* TODO: combine this with the above */
192 uint32_t dcfclk_bypass;
193 uint32_t dispclk_pypass;
194 uint32_t dprefclk_bypass;
197 * This table is not contiguous, can have holes, each
198 * entry correspond to one set of WM. For example if
199 * we have 2 DPM and LPDDR, we will WM set A, B and
200 * D occupied, C will be emptry.
204 struct nv_wm_range_entry nv_entries[WM_SET_COUNT];
205 struct wm_range_table_entry entries[WM_SET_COUNT];
209 struct dummy_pstate_entry {
210 unsigned int dram_speed_mts;
211 double dummy_pstate_latency_us;
214 struct clk_bw_params {
215 unsigned int vram_type;
216 unsigned int num_channels;
217 unsigned int dispclk_vco_khz;
218 unsigned int dc_mode_softmax_memclk;
219 struct clk_limit_table clk_table;
220 struct wm_table wm_table;
221 struct dummy_pstate_entry dummy_pstate_table[4];
223 /* Public interfaces */
226 uint32_t dprefclk_khz;
229 struct clk_mgr_funcs {
231 * This function should set new clocks based on the input "safe_to_lower".
232 * If safe_to_lower == false, then only clocks which are to be increased
234 * If safe_to_lower == true, then only clocks which are to be decreased
237 void (*update_clocks)(struct clk_mgr *clk_mgr,
238 struct dc_state *context,
241 int (*get_dp_ref_clk_frequency)(struct clk_mgr *clk_mgr);
242 int (*get_dtb_ref_clk_frequency)(struct clk_mgr *clk_mgr);
244 void (*set_low_power_state)(struct clk_mgr *clk_mgr);
246 void (*init_clocks)(struct clk_mgr *clk_mgr);
248 void (*dump_clk_registers)(struct clk_state_registers_and_bypass *regs_and_bypass,
249 struct clk_mgr *clk_mgr_base, struct clk_log_info *log_info);
251 void (*enable_pme_wa) (struct clk_mgr *clk_mgr);
252 void (*get_clock)(struct clk_mgr *clk_mgr,
253 struct dc_state *context,
254 enum dc_clock_type clock_type,
255 struct dc_clock_config *clock_cfg);
257 bool (*are_clock_states_equal) (struct dc_clocks *a,
258 struct dc_clocks *b);
259 void (*notify_wm_ranges)(struct clk_mgr *clk_mgr);
261 /* Notify clk_mgr of a change in link rate, update phyclk frequency if necessary */
262 void (*notify_link_rate_change)(struct clk_mgr *clk_mgr, struct dc_link *link);
264 * Send message to PMFW to set hard min memclk frequency
265 * When current_mode = false, set DPM0
266 * When current_mode = true, set required clock for current mode
268 void (*set_hard_min_memclk)(struct clk_mgr *clk_mgr, bool current_mode);
270 /* Send message to PMFW to set hard max memclk frequency to highest DPM */
271 void (*set_hard_max_memclk)(struct clk_mgr *clk_mgr);
273 /* Custom set a memclk freq range*/
274 void (*set_max_memclk)(struct clk_mgr *clk_mgr, unsigned int memclk_mhz);
275 void (*set_min_memclk)(struct clk_mgr *clk_mgr, unsigned int memclk_mhz);
277 /* Get current memclk states from PMFW, update relevant structures */
278 void (*get_memclk_states_from_smu)(struct clk_mgr *clk_mgr);
280 /* Get SMU present */
281 bool (*is_smu_present)(struct clk_mgr *clk_mgr);
285 struct dc_context *ctx;
286 struct clk_mgr_funcs *funcs;
287 struct dc_clocks clks;
288 bool psr_allow_active_cache;
289 bool force_smu_not_present;
290 bool dc_mode_softmax_enabled;
291 int dprefclk_khz; // Used by program pixel clock in clock source funcs, need to figureout where this goes
292 int dentist_vco_freq_khz;
293 struct clk_state_registers_and_bypass boot_snapshot;
294 struct clk_bw_params *bw_params;
295 struct pp_smu_wm_range_sets ranges;
298 /* forward declarations */
301 struct clk_mgr *dc_clk_mgr_create(struct dc_context *ctx, struct pp_smu_funcs *pp_smu, struct dccg *dccg);
303 void dc_destroy_clk_mgr(struct clk_mgr *clk_mgr);
305 void clk_mgr_exit_optimized_pwr_state(const struct dc *dc, struct clk_mgr *clk_mgr);
307 void clk_mgr_optimize_pwr_state(const struct dc *dc, struct clk_mgr *clk_mgr);
309 #endif /* __DAL_CLK_MGR_H__ */