1 | /* |
2 | * Copyright 2020 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 | #include "reg_helper.h" |
28 | #include "resource.h" |
29 | #include "mcif_wb.h" |
30 | #include "dcn30_mmhubbub.h" |
31 | |
32 | |
33 | #define REG(reg)\ |
34 | mcif_wb30->mcif_wb_regs->reg |
35 | |
36 | #define CTX \ |
37 | mcif_wb30->base.ctx |
38 | |
39 | #undef FN |
40 | #define FN(reg_name, field_name) \ |
41 | mcif_wb30->mcif_wb_shift->field_name, mcif_wb30->mcif_wb_mask->field_name |
42 | |
43 | #define MCIF_ADDR(addr) (((unsigned long long)addr & 0xffffffffff) + 0xFE) >> 8 |
44 | #define MCIF_ADDR_HIGH(addr) (unsigned long long)addr >> 40 |
45 | |
46 | /* wbif programming guide: |
47 | * 1. set up wbif parameter: |
48 | * unsigned long long luma_address[4]; //4 frame buffer |
49 | * unsigned long long chroma_address[4]; |
50 | * unsigned int luma_pitch; |
51 | * unsigned int chroma_pitch; |
52 | * unsigned int warmup_pitch=0x10; //256B align, the page size is 4KB when it is 0x10 |
53 | * unsigned int slice_lines; //slice size |
54 | * unsigned int time_per_pixel; // time per pixel, in ns |
55 | * unsigned int arbitration_slice; // 0: 2048 bytes 1: 4096 bytes 2: 8192 Bytes |
56 | * unsigned int max_scaled_time; // used for QOS generation |
57 | * unsigned int swlock=0x0; |
58 | * unsigned int cli_watermark[4]; //4 group urgent watermark |
59 | * unsigned int pstate_watermark[4]; //4 group pstate watermark |
60 | * unsigned int sw_int_en; // Software interrupt enable, frame end and overflow |
61 | * unsigned int sw_slice_int_en; // slice end interrupt enable |
62 | * unsigned int sw_overrun_int_en; // overrun error interrupt enable |
63 | * unsigned int vce_int_en; // VCE interrupt enable, frame end and overflow |
64 | * unsigned int vce_slice_int_en; // VCE slice end interrupt enable, frame end and overflow |
65 | * |
66 | * 2. configure wbif register |
67 | * a. call mmhubbub_config_wbif() |
68 | * |
69 | * 3. Enable wbif |
70 | * call set_wbif_bufmgr_enable(); |
71 | * |
72 | * 4. wbif_dump_status(), option, for debug purpose |
73 | * the bufmgr status can show the progress of write back, can be used for debug purpose |
74 | */ |
75 | |
76 | static void mmhubbub3_warmup_mcif(struct mcif_wb *mcif_wb, |
77 | struct mcif_warmup_params *params) |
78 | { |
79 | struct dcn30_mmhubbub *mcif_wb30 = TO_DCN30_MMHUBBUB(mcif_wb); |
80 | union large_integer start_address_shift = {.quad_part = params->start_address.quad_part >> 5}; |
81 | |
82 | /* Set base address and region size for warmup */ |
83 | REG_SET(MMHUBBUB_WARMUP_BASE_ADDR_HIGH, 0, MMHUBBUB_WARMUP_BASE_ADDR_HIGH, start_address_shift.high_part); |
84 | REG_SET(MMHUBBUB_WARMUP_BASE_ADDR_LOW, 0, MMHUBBUB_WARMUP_BASE_ADDR_LOW, start_address_shift.low_part); |
85 | REG_SET(MMHUBBUB_WARMUP_ADDR_REGION, 0, MMHUBBUB_WARMUP_ADDR_REGION, params->region_size >> 5); |
86 | // REG_SET(MMHUBBUB_WARMUP_P_VMID, 0, MMHUBBUB_WARMUP_P_VMID, params->p_vmid); |
87 | |
88 | /* Set address increment and enable warmup */ |
89 | REG_SET_3(MMHUBBUB_WARMUP_CONTROL_STATUS, 0, MMHUBBUB_WARMUP_EN, true, |
90 | MMHUBBUB_WARMUP_SW_INT_EN, true, |
91 | MMHUBBUB_WARMUP_INC_ADDR, params->address_increment >> 5); |
92 | |
93 | /* Wait for an interrupt to signal warmup is completed */ |
94 | REG_WAIT(MMHUBBUB_WARMUP_CONTROL_STATUS, MMHUBBUB_WARMUP_SW_INT_STATUS, 1, 20, 100); |
95 | |
96 | /* Acknowledge interrupt */ |
97 | REG_UPDATE(MMHUBBUB_WARMUP_CONTROL_STATUS, MMHUBBUB_WARMUP_SW_INT_ACK, 1); |
98 | |
99 | /* Disable warmup */ |
100 | REG_UPDATE(MMHUBBUB_WARMUP_CONTROL_STATUS, MMHUBBUB_WARMUP_EN, false); |
101 | } |
102 | |
103 | static void mmhubbub3_config_mcif_buf(struct mcif_wb *mcif_wb, |
104 | struct mcif_buf_params *params, |
105 | unsigned int dest_height) |
106 | { |
107 | struct dcn30_mmhubbub *mcif_wb30 = TO_DCN30_MMHUBBUB(mcif_wb); |
108 | |
109 | /* buffer address for packing mode or Luma in planar mode */ |
110 | REG_UPDATE(MCIF_WB_BUF_1_ADDR_Y, MCIF_WB_BUF_1_ADDR_Y, MCIF_ADDR(params->luma_address[0])); |
111 | REG_UPDATE(MCIF_WB_BUF_1_ADDR_Y_HIGH, MCIF_WB_BUF_1_ADDR_Y_HIGH, MCIF_ADDR_HIGH(params->luma_address[0])); |
112 | |
113 | /* buffer address for Chroma in planar mode (unused in packing mode) */ |
114 | REG_UPDATE(MCIF_WB_BUF_1_ADDR_C, MCIF_WB_BUF_1_ADDR_C, MCIF_ADDR(params->chroma_address[0])); |
115 | REG_UPDATE(MCIF_WB_BUF_1_ADDR_C_HIGH, MCIF_WB_BUF_1_ADDR_C_HIGH, MCIF_ADDR_HIGH(params->chroma_address[0])); |
116 | |
117 | /* buffer address for packing mode or Luma in planar mode */ |
118 | REG_UPDATE(MCIF_WB_BUF_2_ADDR_Y, MCIF_WB_BUF_2_ADDR_Y, MCIF_ADDR(params->luma_address[1])); |
119 | REG_UPDATE(MCIF_WB_BUF_2_ADDR_Y_HIGH, MCIF_WB_BUF_2_ADDR_Y_HIGH, MCIF_ADDR_HIGH(params->luma_address[1])); |
120 | |
121 | /* buffer address for Chroma in planar mode (unused in packing mode) */ |
122 | REG_UPDATE(MCIF_WB_BUF_2_ADDR_C, MCIF_WB_BUF_2_ADDR_C, MCIF_ADDR(params->chroma_address[1])); |
123 | REG_UPDATE(MCIF_WB_BUF_2_ADDR_C_HIGH, MCIF_WB_BUF_2_ADDR_C_HIGH, MCIF_ADDR_HIGH(params->chroma_address[1])); |
124 | |
125 | /* buffer address for packing mode or Luma in planar mode */ |
126 | REG_UPDATE(MCIF_WB_BUF_3_ADDR_Y, MCIF_WB_BUF_3_ADDR_Y, MCIF_ADDR(params->luma_address[2])); |
127 | REG_UPDATE(MCIF_WB_BUF_3_ADDR_Y_HIGH, MCIF_WB_BUF_3_ADDR_Y_HIGH, MCIF_ADDR_HIGH(params->luma_address[2])); |
128 | |
129 | /* buffer address for Chroma in planar mode (unused in packing mode) */ |
130 | REG_UPDATE(MCIF_WB_BUF_3_ADDR_C, MCIF_WB_BUF_3_ADDR_C, MCIF_ADDR(params->chroma_address[2])); |
131 | REG_UPDATE(MCIF_WB_BUF_3_ADDR_C_HIGH, MCIF_WB_BUF_3_ADDR_C_HIGH, MCIF_ADDR_HIGH(params->chroma_address[2])); |
132 | |
133 | /* buffer address for packing mode or Luma in planar mode */ |
134 | REG_UPDATE(MCIF_WB_BUF_4_ADDR_Y, MCIF_WB_BUF_4_ADDR_Y, MCIF_ADDR(params->luma_address[3])); |
135 | REG_UPDATE(MCIF_WB_BUF_4_ADDR_Y_HIGH, MCIF_WB_BUF_4_ADDR_Y_HIGH, MCIF_ADDR_HIGH(params->luma_address[3])); |
136 | |
137 | /* buffer address for Chroma in planar mode (unused in packing mode) */ |
138 | REG_UPDATE(MCIF_WB_BUF_4_ADDR_C, MCIF_WB_BUF_4_ADDR_C, MCIF_ADDR(params->chroma_address[3])); |
139 | REG_UPDATE(MCIF_WB_BUF_4_ADDR_C_HIGH, MCIF_WB_BUF_4_ADDR_C_HIGH, MCIF_ADDR_HIGH(params->chroma_address[3])); |
140 | |
141 | /* setup luma & chroma size |
142 | * should be enough to contain a whole frame Luma data, |
143 | * the programmed value is frame buffer size [27:8], 256-byte aligned |
144 | */ |
145 | REG_UPDATE(MCIF_WB_BUF_LUMA_SIZE, MCIF_WB_BUF_LUMA_SIZE, (params->luma_pitch>>8) * dest_height); |
146 | REG_UPDATE(MCIF_WB_BUF_CHROMA_SIZE, MCIF_WB_BUF_CHROMA_SIZE, (params->chroma_pitch>>8) * dest_height); |
147 | |
148 | /* enable address fence */ |
149 | REG_UPDATE(MCIF_WB_BUFMGR_SW_CONTROL, MCIF_WB_BUF_ADDR_FENCE_EN, 1); |
150 | |
151 | /* setup pitch, the programmed value is [15:8], 256B align */ |
152 | REG_UPDATE_2(MCIF_WB_BUF_PITCH, MCIF_WB_BUF_LUMA_PITCH, params->luma_pitch >> 8, |
153 | MCIF_WB_BUF_CHROMA_PITCH, params->chroma_pitch >> 8); |
154 | } |
155 | |
156 | static void mmhubbub3_config_mcif_arb(struct mcif_wb *mcif_wb, |
157 | struct mcif_arb_params *params) |
158 | { |
159 | struct dcn30_mmhubbub *mcif_wb30 = TO_DCN30_MMHUBBUB(mcif_wb); |
160 | |
161 | /* Programmed by the video driver based on the CRTC timing (for DWB) */ |
162 | REG_UPDATE(MCIF_WB_ARBITRATION_CONTROL, MCIF_WB_TIME_PER_PIXEL, params->time_per_pixel); |
163 | |
164 | /* Programming dwb watermark */ |
165 | /* Watermark to generate urgent in MCIF_WB_CLI, value is determined by MCIF_WB_CLI_WATERMARK_MASK. */ |
166 | /* Program in ns. A formula will be provided in the pseudo code to calculate the value. */ |
167 | REG_UPDATE(MCIF_WB_WATERMARK, MCIF_WB_CLI_WATERMARK_MASK, 0x0); |
168 | /* urgent_watermarkA */ |
169 | REG_UPDATE(MCIF_WB_WATERMARK, MCIF_WB_CLI_WATERMARK, params->cli_watermark[0]); |
170 | REG_UPDATE(MCIF_WB_WATERMARK, MCIF_WB_CLI_WATERMARK_MASK, 0x1); |
171 | /* urgent_watermarkB */ |
172 | REG_UPDATE(MCIF_WB_WATERMARK, MCIF_WB_CLI_WATERMARK, params->cli_watermark[1]); |
173 | REG_UPDATE(MCIF_WB_WATERMARK, MCIF_WB_CLI_WATERMARK_MASK, 0x2); |
174 | /* urgent_watermarkC */ |
175 | REG_UPDATE(MCIF_WB_WATERMARK, MCIF_WB_CLI_WATERMARK, params->cli_watermark[2]); |
176 | REG_UPDATE(MCIF_WB_WATERMARK, MCIF_WB_CLI_WATERMARK_MASK, 0x3); |
177 | /* urgent_watermarkD */ |
178 | REG_UPDATE(MCIF_WB_WATERMARK, MCIF_WB_CLI_WATERMARK, params->cli_watermark[3]); |
179 | |
180 | /* Programming nb pstate watermark */ |
181 | /* nbp_state_change_watermarkA */ |
182 | REG_UPDATE(MCIF_WB_NB_PSTATE_LATENCY_WATERMARK, NB_PSTATE_CHANGE_WATERMARK_MASK, 0x0); |
183 | REG_UPDATE(MCIF_WB_NB_PSTATE_LATENCY_WATERMARK, |
184 | NB_PSTATE_CHANGE_REFRESH_WATERMARK, params->pstate_watermark[0]); |
185 | /* nbp_state_change_watermarkB */ |
186 | REG_UPDATE(MCIF_WB_NB_PSTATE_LATENCY_WATERMARK, NB_PSTATE_CHANGE_WATERMARK_MASK, 0x1); |
187 | REG_UPDATE(MCIF_WB_NB_PSTATE_LATENCY_WATERMARK, |
188 | NB_PSTATE_CHANGE_REFRESH_WATERMARK, params->pstate_watermark[1]); |
189 | /* nbp_state_change_watermarkC */ |
190 | REG_UPDATE(MCIF_WB_NB_PSTATE_LATENCY_WATERMARK, NB_PSTATE_CHANGE_WATERMARK_MASK, 0x2); |
191 | REG_UPDATE(MCIF_WB_NB_PSTATE_LATENCY_WATERMARK, |
192 | NB_PSTATE_CHANGE_REFRESH_WATERMARK, params->pstate_watermark[2]); |
193 | /* nbp_state_change_watermarkD */ |
194 | REG_UPDATE(MCIF_WB_NB_PSTATE_LATENCY_WATERMARK, NB_PSTATE_CHANGE_WATERMARK_MASK, 0x3); |
195 | REG_UPDATE(MCIF_WB_NB_PSTATE_LATENCY_WATERMARK, |
196 | NB_PSTATE_CHANGE_REFRESH_WATERMARK, params->pstate_watermark[3]); |
197 | |
198 | /* dram_speed_change_duration */ |
199 | REG_UPDATE(MCIF_WB_DRAM_SPEED_CHANGE_DURATION_VBI, |
200 | MCIF_WB_DRAM_SPEED_CHANGE_DURATION_VBI, params->dram_speed_change_duration); |
201 | |
202 | /* max_scaled_time */ |
203 | REG_UPDATE(MULTI_LEVEL_QOS_CTRL, MAX_SCALED_TIME_TO_URGENT, params->max_scaled_time); |
204 | |
205 | /* slice_lines */ |
206 | REG_UPDATE(MCIF_WB_BUFMGR_VCE_CONTROL, MCIF_WB_BUFMGR_SLICE_SIZE, params->slice_lines-1); |
207 | |
208 | /* Set arbitration unit for Luma/Chroma */ |
209 | /* arb_unit=2 should be chosen for more efficiency */ |
210 | /* Arbitration size, 0: 2048 bytes 1: 4096 bytes 2: 8192 Bytes */ |
211 | REG_UPDATE(MCIF_WB_ARBITRATION_CONTROL, MCIF_WB_CLIENT_ARBITRATION_SLICE, params->arbitration_slice); |
212 | } |
213 | |
214 | static const struct mcif_wb_funcs dcn30_mmhubbub_funcs = { |
215 | .warmup_mcif = mmhubbub3_warmup_mcif, |
216 | .enable_mcif = mmhubbub2_enable_mcif, |
217 | .disable_mcif = mmhubbub2_disable_mcif, |
218 | .config_mcif_buf = mmhubbub3_config_mcif_buf, |
219 | .config_mcif_arb = mmhubbub3_config_mcif_arb, |
220 | .config_mcif_irq = mmhubbub2_config_mcif_irq, |
221 | .dump_frame = mcifwb2_dump_frame, |
222 | }; |
223 | |
224 | void dcn30_mmhubbub_construct(struct dcn30_mmhubbub *mcif_wb30, |
225 | struct dc_context *ctx, |
226 | const struct dcn30_mmhubbub_registers *mcif_wb_regs, |
227 | const struct dcn30_mmhubbub_shift *mcif_wb_shift, |
228 | const struct dcn30_mmhubbub_mask *mcif_wb_mask, |
229 | int inst) |
230 | { |
231 | mcif_wb30->base.ctx = ctx; |
232 | |
233 | mcif_wb30->base.inst = inst; |
234 | mcif_wb30->base.funcs = &dcn30_mmhubbub_funcs; |
235 | |
236 | mcif_wb30->mcif_wb_regs = mcif_wb_regs; |
237 | mcif_wb30->mcif_wb_shift = mcif_wb_shift; |
238 | mcif_wb30->mcif_wb_mask = mcif_wb_mask; |
239 | } |
240 | |