2 * Copyright 2012-16 Advanced Micro Devices, Inc.
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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_CLK4_CURRENT_CNT;
54 uint32_t CLK1_CLK3_DS_CNTL; //dcf_deep_sleep_divider
55 uint32_t CLK1_CLK3_ALLOW_DS; //dcf_deep_sleep_allow
57 uint32_t CLK1_CLK0_BYPASS_CNTL; //dispclk bypass
58 uint32_t CLK1_CLK1_BYPASS_CNTL; //dppclk bypass
59 uint32_t CLK1_CLK2_BYPASS_CNTL; //dprefclk bypass
60 uint32_t CLK1_CLK3_BYPASS_CNTL; //dcfclk bypass
62 uint32_t CLK4_CLK0_CURRENT_CNT; //fclk
65 struct dcn301_clk_internal {
67 uint32_t CLK1_CLK0_CURRENT_CNT; //dispclk
68 uint32_t CLK1_CLK1_CURRENT_CNT; //dppclk
69 uint32_t CLK1_CLK2_CURRENT_CNT; //dprefclk
70 uint32_t CLK1_CLK3_CURRENT_CNT; //dcfclk
71 uint32_t CLK1_CLK3_DS_CNTL; //dcf_deep_sleep_divider
72 uint32_t CLK1_CLK3_ALLOW_DS; //dcf_deep_sleep_allow
74 uint32_t CLK1_CLK0_BYPASS_CNTL; //dispclk bypass
75 uint32_t CLK1_CLK1_BYPASS_CNTL; //dppclk bypass
76 uint32_t CLK1_CLK2_BYPASS_CNTL; //dprefclk bypass
77 uint32_t CLK1_CLK3_BYPASS_CNTL; //dcfclk bypass
80 /* Will these bw structures be ASIC specific? */
82 #define MAX_NUM_DPM_LVL 8
83 #define WM_SET_COUNT 4
86 struct clk_limit_table_entry {
87 unsigned int voltage; /* milivolts withh 2 fractional bits */
88 unsigned int dcfclk_mhz;
89 unsigned int fclk_mhz;
90 unsigned int memclk_mhz;
91 unsigned int socclk_mhz;
92 unsigned int dtbclk_mhz;
93 unsigned int dispclk_mhz;
94 unsigned int dppclk_mhz;
95 unsigned int phyclk_mhz;
96 unsigned int phyclk_d18_mhz;
97 unsigned int wck_ratio;
100 struct clk_limit_num_entries {
101 unsigned int num_dcfclk_levels;
102 unsigned int num_fclk_levels;
103 unsigned int num_memclk_levels;
104 unsigned int num_socclk_levels;
105 unsigned int num_dtbclk_levels;
106 unsigned int num_dispclk_levels;
107 unsigned int num_dppclk_levels;
108 unsigned int num_phyclk_levels;
109 unsigned int num_phyclk_d18_levels;
112 /* This table is contiguous */
113 struct clk_limit_table {
114 struct clk_limit_table_entry entries[MAX_NUM_DPM_LVL];
115 struct clk_limit_num_entries num_entries_per_clk;
116 unsigned int num_entries; /* highest populated dpm level for back compatibility */
119 struct wm_range_table_entry {
120 unsigned int wm_inst;
121 unsigned int wm_type;
122 double pstate_latency_us;
123 double sr_exit_time_us;
124 double sr_enter_plus_exit_time_us;
128 struct nv_wm_range_entry {
140 double pstate_latency_us;
141 double sr_exit_time_us;
142 double sr_enter_plus_exit_time_us;
143 double fclk_change_latency_us;
147 struct clk_log_info {
150 unsigned int bufSize;
151 unsigned int *sum_chars_printed;
154 struct clk_state_registers_and_bypass {
156 uint32_t dcf_deep_sleep_divider;
157 uint32_t dcf_deep_sleep_allow;
163 uint32_t dppclk_bypass;
164 uint32_t dcfclk_bypass;
165 uint32_t dprefclk_bypass;
166 uint32_t dispclk_bypass;
169 struct rv1_clk_internal {
170 uint32_t CLK0_CLK8_CURRENT_CNT; //dcfclk
171 uint32_t CLK0_CLK8_DS_CNTL; //dcf_deep_sleep_divider
172 uint32_t CLK0_CLK8_ALLOW_DS; //dcf_deep_sleep_allow
173 uint32_t CLK0_CLK10_CURRENT_CNT; //dprefclk
174 uint32_t CLK0_CLK11_CURRENT_CNT; //dispclk
176 uint32_t CLK0_CLK8_BYPASS_CNTL; //dcfclk bypass
177 uint32_t CLK0_CLK10_BYPASS_CNTL; //dprefclk bypass
178 uint32_t CLK0_CLK11_BYPASS_CNTL; //dispclk bypass
181 struct rn_clk_internal {
182 uint32_t CLK1_CLK0_CURRENT_CNT; //dispclk
183 uint32_t CLK1_CLK1_CURRENT_CNT; //dppclk
184 uint32_t CLK1_CLK2_CURRENT_CNT; //dprefclk
185 uint32_t CLK1_CLK3_CURRENT_CNT; //dcfclk
186 uint32_t CLK1_CLK3_DS_CNTL; //dcf_deep_sleep_divider
187 uint32_t CLK1_CLK3_ALLOW_DS; //dcf_deep_sleep_allow
189 uint32_t CLK1_CLK0_BYPASS_CNTL; //dispclk bypass
190 uint32_t CLK1_CLK1_BYPASS_CNTL; //dppclk bypass
191 uint32_t CLK1_CLK2_BYPASS_CNTL; //dprefclk bypass
192 uint32_t CLK1_CLK3_BYPASS_CNTL; //dcfclk bypass
196 /* For dtn logging and debugging */
197 struct clk_state_registers {
198 uint32_t CLK0_CLK8_CURRENT_CNT; //dcfclk
199 uint32_t CLK0_CLK8_DS_CNTL; //dcf_deep_sleep_divider
200 uint32_t CLK0_CLK8_ALLOW_DS; //dcf_deep_sleep_allow
201 uint32_t CLK0_CLK10_CURRENT_CNT; //dprefclk
202 uint32_t CLK0_CLK11_CURRENT_CNT; //dispclk
205 /* TODO: combine this with the above */
207 uint32_t dcfclk_bypass;
208 uint32_t dispclk_pypass;
209 uint32_t dprefclk_bypass;
212 * This table is not contiguous, can have holes, each
213 * entry correspond to one set of WM. For example if
214 * we have 2 DPM and LPDDR, we will WM set A, B and
215 * D occupied, C will be emptry.
219 struct nv_wm_range_entry nv_entries[WM_SET_COUNT];
220 struct wm_range_table_entry entries[WM_SET_COUNT];
224 struct dummy_pstate_entry {
225 unsigned int dram_speed_mts;
226 double dummy_pstate_latency_us;
229 struct clk_bw_params {
230 unsigned int vram_type;
231 unsigned int num_channels;
232 unsigned int dram_channel_width_bytes;
233 unsigned int dispclk_vco_khz;
234 unsigned int dc_mode_softmax_memclk;
235 unsigned int max_memclk_mhz;
236 struct clk_limit_table clk_table;
237 struct wm_table wm_table;
238 struct dummy_pstate_entry dummy_pstate_table[4];
239 struct clk_limit_table_entry dc_mode_limit;
241 /* Public interfaces */
244 uint32_t dprefclk_khz;
247 struct clk_mgr_funcs {
249 * This function should set new clocks based on the input "safe_to_lower".
250 * If safe_to_lower == false, then only clocks which are to be increased
252 * If safe_to_lower == true, then only clocks which are to be decreased
255 void (*update_clocks)(struct clk_mgr *clk_mgr,
256 struct dc_state *context,
259 int (*get_dp_ref_clk_frequency)(struct clk_mgr *clk_mgr);
260 int (*get_dtb_ref_clk_frequency)(struct clk_mgr *clk_mgr);
262 void (*set_low_power_state)(struct clk_mgr *clk_mgr);
263 void (*exit_low_power_state)(struct clk_mgr *clk_mgr);
264 bool (*is_ips_supported)(struct clk_mgr *clk_mgr);
265 void (*set_idle_state)(struct clk_mgr *clk_mgr, bool allow_idle);
266 uint32_t (*get_idle_state)(struct clk_mgr *clk_mgr);
268 void (*init_clocks)(struct clk_mgr *clk_mgr);
270 void (*dump_clk_registers)(struct clk_state_registers_and_bypass *regs_and_bypass,
271 struct clk_mgr *clk_mgr_base, struct clk_log_info *log_info);
273 void (*enable_pme_wa) (struct clk_mgr *clk_mgr);
274 void (*get_clock)(struct clk_mgr *clk_mgr,
275 struct dc_state *context,
276 enum dc_clock_type clock_type,
277 struct dc_clock_config *clock_cfg);
279 bool (*are_clock_states_equal) (struct dc_clocks *a,
280 struct dc_clocks *b);
281 void (*notify_wm_ranges)(struct clk_mgr *clk_mgr);
283 /* Notify clk_mgr of a change in link rate, update phyclk frequency if necessary */
284 void (*notify_link_rate_change)(struct clk_mgr *clk_mgr, struct dc_link *link);
286 * Send message to PMFW to set hard min memclk frequency
287 * When current_mode = false, set DPM0
288 * When current_mode = true, set required clock for current mode
290 void (*set_hard_min_memclk)(struct clk_mgr *clk_mgr, bool current_mode);
292 /* Send message to PMFW to set hard max memclk frequency to highest DPM */
293 void (*set_hard_max_memclk)(struct clk_mgr *clk_mgr);
295 /* Custom set a memclk freq range*/
296 void (*set_max_memclk)(struct clk_mgr *clk_mgr, unsigned int memclk_mhz);
297 void (*set_min_memclk)(struct clk_mgr *clk_mgr, unsigned int memclk_mhz);
299 /* Get current memclk states from PMFW, update relevant structures */
300 void (*get_memclk_states_from_smu)(struct clk_mgr *clk_mgr);
302 /* Get SMU present */
303 bool (*is_smu_present)(struct clk_mgr *clk_mgr);
305 int (*get_dispclk_from_dentist)(struct clk_mgr *clk_mgr_base);
310 struct dc_context *ctx;
311 struct clk_mgr_funcs *funcs;
312 struct dc_clocks clks;
313 bool psr_allow_active_cache;
314 bool force_smu_not_present;
315 bool dc_mode_softmax_enabled;
316 int dprefclk_khz; // Used by program pixel clock in clock source funcs, need to figureout where this goes
317 int dentist_vco_freq_khz;
318 struct clk_state_registers_and_bypass boot_snapshot;
319 struct clk_bw_params *bw_params;
320 struct pp_smu_wm_range_sets ranges;
323 /* forward declarations */
326 struct clk_mgr *dc_clk_mgr_create(struct dc_context *ctx, struct pp_smu_funcs *pp_smu, struct dccg *dccg);
328 void dc_destroy_clk_mgr(struct clk_mgr *clk_mgr);
330 void clk_mgr_exit_optimized_pwr_state(const struct dc *dc, struct clk_mgr *clk_mgr);
332 void clk_mgr_optimize_pwr_state(const struct dc *dc, struct clk_mgr *clk_mgr);
334 #endif /* __DAL_CLK_MGR_H__ */