xref: /linux/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.h (revision e7d759f31ca295d589f7420719c311870bb3166f)
1 /*
2  * Copyright 2012-16 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 #ifndef _DCE_DMCU_H_
28 #define _DCE_DMCU_H_
29 
30 #include "dmcu.h"
31 
32 #define DMCU_COMMON_REG_LIST_DCE_BASE() \
33 	SR(DMCU_CTRL), \
34 	SR(DMCU_STATUS), \
35 	SR(DMCU_RAM_ACCESS_CTRL), \
36 	SR(DMCU_IRAM_WR_CTRL), \
37 	SR(DMCU_IRAM_WR_DATA), \
38 	SR(MASTER_COMM_DATA_REG1), \
39 	SR(MASTER_COMM_DATA_REG2), \
40 	SR(MASTER_COMM_DATA_REG3), \
41 	SR(MASTER_COMM_CMD_REG), \
42 	SR(MASTER_COMM_CNTL_REG), \
43 	SR(SLAVE_COMM_DATA_REG1), \
44 	SR(SLAVE_COMM_DATA_REG2), \
45 	SR(SLAVE_COMM_DATA_REG3), \
46 	SR(SLAVE_COMM_CMD_REG), \
47 	SR(DMCU_IRAM_RD_CTRL), \
48 	SR(DMCU_IRAM_RD_DATA), \
49 	SR(DMCU_INTERRUPT_TO_UC_EN_MASK), \
50 	SR(SMU_INTERRUPT_CONTROL), \
51 	SR(DC_DMCU_SCRATCH)
52 
53 #if defined(CONFIG_DRM_AMD_DC_SI)
54 #define DMCU_DCE60_REG_LIST() \
55 	SR(DMCU_CTRL), \
56 	SR(DMCU_STATUS), \
57 	SR(DMCU_RAM_ACCESS_CTRL), \
58 	SR(DMCU_IRAM_WR_CTRL), \
59 	SR(DMCU_IRAM_WR_DATA), \
60 	SR(MASTER_COMM_DATA_REG1), \
61 	SR(MASTER_COMM_DATA_REG2), \
62 	SR(MASTER_COMM_DATA_REG3), \
63 	SR(MASTER_COMM_CMD_REG), \
64 	SR(MASTER_COMM_CNTL_REG), \
65 	SR(DMCU_IRAM_RD_CTRL), \
66 	SR(DMCU_IRAM_RD_DATA), \
67 	SR(DMCU_INTERRUPT_TO_UC_EN_MASK), \
68 	SR(DC_DMCU_SCRATCH)
69 #endif
70 
71 #define DMCU_DCE80_REG_LIST() \
72 	SR(DMCU_CTRL), \
73 	SR(DMCU_STATUS), \
74 	SR(DMCU_RAM_ACCESS_CTRL), \
75 	SR(DMCU_IRAM_WR_CTRL), \
76 	SR(DMCU_IRAM_WR_DATA), \
77 	SR(MASTER_COMM_DATA_REG1), \
78 	SR(MASTER_COMM_DATA_REG2), \
79 	SR(MASTER_COMM_DATA_REG3), \
80 	SR(MASTER_COMM_CMD_REG), \
81 	SR(MASTER_COMM_CNTL_REG), \
82 	SR(DMCU_IRAM_RD_CTRL), \
83 	SR(DMCU_IRAM_RD_DATA), \
84 	SR(DMCU_INTERRUPT_TO_UC_EN_MASK), \
85 	SR(SMU_INTERRUPT_CONTROL), \
86 	SR(DC_DMCU_SCRATCH)
87 
88 #define DMCU_DCE110_COMMON_REG_LIST() \
89 	DMCU_COMMON_REG_LIST_DCE_BASE(), \
90 	SR(DCI_MEM_PWR_STATUS)
91 
92 #define DMCU_DCN10_REG_LIST()\
93 	DMCU_COMMON_REG_LIST_DCE_BASE(), \
94 	SR(DMU_MEM_PWR_CNTL)
95 
96 #define DMCU_DCN20_REG_LIST()\
97 	DMCU_DCN10_REG_LIST(), \
98 	SR(DMCUB_SCRATCH15)
99 
100 #define DMCU_SF(reg_name, field_name, post_fix)\
101 	.field_name = reg_name ## __ ## field_name ## post_fix
102 
103 #define DMCU_COMMON_MASK_SH_LIST_DCE_COMMON_BASE(mask_sh) \
104 	DMCU_SF(DMCU_CTRL, \
105 			DMCU_ENABLE, mask_sh), \
106 	DMCU_SF(DMCU_STATUS, \
107 			UC_IN_STOP_MODE, mask_sh), \
108 	DMCU_SF(DMCU_STATUS, \
109 			UC_IN_RESET, mask_sh), \
110 	DMCU_SF(DMCU_RAM_ACCESS_CTRL, \
111 			IRAM_HOST_ACCESS_EN, mask_sh), \
112 	DMCU_SF(DMCU_RAM_ACCESS_CTRL, \
113 			IRAM_WR_ADDR_AUTO_INC, mask_sh), \
114 	DMCU_SF(DMCU_RAM_ACCESS_CTRL, \
115 			IRAM_RD_ADDR_AUTO_INC, mask_sh), \
116 	DMCU_SF(MASTER_COMM_CMD_REG, \
117 			MASTER_COMM_CMD_REG_BYTE0, mask_sh), \
118 	DMCU_SF(MASTER_COMM_CNTL_REG, MASTER_COMM_INTERRUPT, mask_sh), \
119 	DMCU_SF(SLAVE_COMM_CNTL_REG, SLAVE_COMM_INTERRUPT, mask_sh), \
120 	DMCU_SF(DMCU_INTERRUPT_TO_UC_EN_MASK, \
121 			STATIC_SCREEN1_INT_TO_UC_EN, mask_sh), \
122 	DMCU_SF(DMCU_INTERRUPT_TO_UC_EN_MASK, \
123 			STATIC_SCREEN2_INT_TO_UC_EN, mask_sh), \
124 	DMCU_SF(DMCU_INTERRUPT_TO_UC_EN_MASK, \
125 			STATIC_SCREEN3_INT_TO_UC_EN, mask_sh), \
126 	DMCU_SF(DMCU_INTERRUPT_TO_UC_EN_MASK, \
127 			STATIC_SCREEN4_INT_TO_UC_EN, mask_sh), \
128 	DMCU_SF(SMU_INTERRUPT_CONTROL, DC_SMU_INT_ENABLE, mask_sh)
129 
130 #if defined(CONFIG_DRM_AMD_DC_SI)
131 #define DMCU_MASK_SH_LIST_DCE60(mask_sh) \
132 	DMCU_SF(DMCU_CTRL, \
133 			DMCU_ENABLE, mask_sh), \
134 	DMCU_SF(DMCU_STATUS, \
135 			UC_IN_STOP_MODE, mask_sh), \
136 	DMCU_SF(DMCU_STATUS, \
137 			UC_IN_RESET, mask_sh), \
138 	DMCU_SF(DMCU_RAM_ACCESS_CTRL, \
139 			IRAM_HOST_ACCESS_EN, mask_sh), \
140 	DMCU_SF(DMCU_RAM_ACCESS_CTRL, \
141 			IRAM_WR_ADDR_AUTO_INC, mask_sh), \
142 	DMCU_SF(DMCU_RAM_ACCESS_CTRL, \
143 			IRAM_RD_ADDR_AUTO_INC, mask_sh), \
144 	DMCU_SF(MASTER_COMM_CMD_REG, \
145 			MASTER_COMM_CMD_REG_BYTE0, mask_sh), \
146 	DMCU_SF(MASTER_COMM_CNTL_REG, MASTER_COMM_INTERRUPT, mask_sh)
147 #endif
148 
149 #define DMCU_MASK_SH_LIST_DCE80(mask_sh) \
150 	DMCU_SF(DMCU_CTRL, \
151 			DMCU_ENABLE, mask_sh), \
152 	DMCU_SF(DMCU_STATUS, \
153 			UC_IN_STOP_MODE, mask_sh), \
154 	DMCU_SF(DMCU_STATUS, \
155 			UC_IN_RESET, mask_sh), \
156 	DMCU_SF(DMCU_RAM_ACCESS_CTRL, \
157 			IRAM_HOST_ACCESS_EN, mask_sh), \
158 	DMCU_SF(DMCU_RAM_ACCESS_CTRL, \
159 			IRAM_WR_ADDR_AUTO_INC, mask_sh), \
160 	DMCU_SF(DMCU_RAM_ACCESS_CTRL, \
161 			IRAM_RD_ADDR_AUTO_INC, mask_sh), \
162 	DMCU_SF(MASTER_COMM_CMD_REG, \
163 			MASTER_COMM_CMD_REG_BYTE0, mask_sh), \
164 	DMCU_SF(MASTER_COMM_CNTL_REG, MASTER_COMM_INTERRUPT, mask_sh), \
165 	DMCU_SF(SMU_INTERRUPT_CONTROL, DC_SMU_INT_ENABLE, mask_sh)
166 
167 #define DMCU_MASK_SH_LIST_DCE110(mask_sh) \
168 	DMCU_COMMON_MASK_SH_LIST_DCE_COMMON_BASE(mask_sh), \
169 	DMCU_SF(DCI_MEM_PWR_STATUS, \
170 		DMCU_IRAM_MEM_PWR_STATE, mask_sh)
171 
172 #define DMCU_MASK_SH_LIST_DCN10(mask_sh) \
173 	DMCU_COMMON_MASK_SH_LIST_DCE_COMMON_BASE(mask_sh), \
174 	DMCU_SF(DMU_MEM_PWR_CNTL, \
175 			DMCU_IRAM_MEM_PWR_STATE, mask_sh)
176 
177 #define DMCU_REG_FIELD_LIST(type) \
178 	type DMCU_IRAM_MEM_PWR_STATE; \
179 	type IRAM_HOST_ACCESS_EN; \
180 	type IRAM_WR_ADDR_AUTO_INC; \
181 	type IRAM_RD_ADDR_AUTO_INC; \
182 	type DMCU_ENABLE; \
183 	type UC_IN_STOP_MODE; \
184 	type UC_IN_RESET; \
185 	type MASTER_COMM_CMD_REG_BYTE0; \
186 	type MASTER_COMM_INTERRUPT; \
187 	type SLAVE_COMM_INTERRUPT; \
188 	type DPHY_RX_FAST_TRAINING_CAPABLE; \
189 	type DPHY_LOAD_BS_COUNT; \
190 	type STATIC_SCREEN1_INT_TO_UC_EN; \
191 	type STATIC_SCREEN2_INT_TO_UC_EN; \
192 	type STATIC_SCREEN3_INT_TO_UC_EN; \
193 	type STATIC_SCREEN4_INT_TO_UC_EN; \
194 	type DP_SEC_GSP0_LINE_NUM; \
195 	type DP_SEC_GSP0_PRIORITY; \
196 	type DC_SMU_INT_ENABLE
197 
198 struct dce_dmcu_shift {
199 	DMCU_REG_FIELD_LIST(uint8_t);
200 };
201 
202 struct dce_dmcu_mask {
203 	DMCU_REG_FIELD_LIST(uint32_t);
204 };
205 
206 struct dce_dmcu_registers {
207 	uint32_t DMCU_CTRL;
208 	uint32_t DMCU_STATUS;
209 	uint32_t DMCU_RAM_ACCESS_CTRL;
210 	uint32_t DCI_MEM_PWR_STATUS;
211 	uint32_t DMU_MEM_PWR_CNTL;
212 	uint32_t DMCU_IRAM_WR_CTRL;
213 	uint32_t DMCU_IRAM_WR_DATA;
214 
215 	uint32_t MASTER_COMM_DATA_REG1;
216 	uint32_t MASTER_COMM_DATA_REG2;
217 	uint32_t MASTER_COMM_DATA_REG3;
218 	uint32_t MASTER_COMM_CMD_REG;
219 	uint32_t MASTER_COMM_CNTL_REG;
220 	uint32_t SLAVE_COMM_DATA_REG1;
221 	uint32_t SLAVE_COMM_DATA_REG2;
222 	uint32_t SLAVE_COMM_DATA_REG3;
223 	uint32_t SLAVE_COMM_CMD_REG;
224 	uint32_t SLAVE_COMM_CNTL_REG;
225 	uint32_t DMCU_IRAM_RD_CTRL;
226 	uint32_t DMCU_IRAM_RD_DATA;
227 	uint32_t DMCU_INTERRUPT_TO_UC_EN_MASK;
228 	uint32_t SMU_INTERRUPT_CONTROL;
229 	uint32_t DC_DMCU_SCRATCH;
230 	uint32_t DMCUB_SCRATCH15;
231 };
232 
233 struct dce_dmcu {
234 	struct dmcu base;
235 	const struct dce_dmcu_registers *regs;
236 	const struct dce_dmcu_shift *dmcu_shift;
237 	const struct dce_dmcu_mask *dmcu_mask;
238 };
239 
240 /*******************************************************************
241  *   MASTER_COMM_DATA_REG1   Bit position    Data
242  *                           7:0	            hyst_frames[7:0]
243  *                           14:8	        hyst_lines[6:0]
244  *                           15	            RFB_UPDATE_AUTO_EN
245  *                           18:16	        phy_num[2:0]
246  *                           21:19	        dcp_sel[2:0]
247  *                           22	            phy_type
248  *                           23	            frame_cap_ind
249  *                           26:24	        aux_chan[2:0]
250  *                           30:27	        aux_repeat[3:0]
251  *                           31:31	        reserved[31:31]
252  ******************************************************************/
253 union dce_dmcu_psr_config_data_reg1 {
254 	struct {
255 		unsigned int timehyst_frames:8;                  /*[7:0]*/
256 		unsigned int hyst_lines:7;                       /*[14:8]*/
257 		unsigned int rfb_update_auto_en:1;               /*[15:15]*/
258 		unsigned int dp_port_num:3;                      /*[18:16]*/
259 		unsigned int dcp_sel:3;                          /*[21:19]*/
260 		unsigned int phy_type:1;                         /*[22:22]*/
261 		unsigned int frame_cap_ind:1;                    /*[23:23]*/
262 		unsigned int aux_chan:3;                         /*[26:24]*/
263 		unsigned int aux_repeat:4;                       /*[30:27]*/
264 		unsigned int allow_smu_optimizations:1;         /*[31:31]*/
265 	} bits;
266 	unsigned int u32All;
267 };
268 
269 /*******************************************************************
270  *   MASTER_COMM_DATA_REG2
271  *******************************************************************/
272 union dce_dmcu_psr_config_data_reg2 {
273 	struct {
274 		unsigned int dig_fe:3;                  /*[2:0]*/
275 		unsigned int dig_be:3;                  /*[5:3]*/
276 		unsigned int skip_wait_for_pll_lock:1;  /*[6:6]*/
277 		unsigned int reserved:9;                /*[15:7]*/
278 		unsigned int frame_delay:8;             /*[23:16]*/
279 		unsigned int smu_phy_id:4;              /*[27:24]*/
280 		unsigned int num_of_controllers:4;      /*[31:28]*/
281 	} bits;
282 	unsigned int u32All;
283 };
284 
285 /*******************************************************************
286  *   MASTER_COMM_DATA_REG3
287  *******************************************************************/
288 union dce_dmcu_psr_config_data_reg3 {
289 	struct {
290 		unsigned int psr_level:16;      /*[15:0]*/
291 		unsigned int link_rate:4;       /*[19:16]*/
292 		unsigned int reserved:12;        /*[31:20]*/
293 	} bits;
294 	unsigned int u32All;
295 };
296 
297 union dce_dmcu_psr_config_data_wait_loop_reg1 {
298 	struct {
299 		unsigned int wait_loop:16; /* [15:0] */
300 		unsigned int reserved:16; /* [31:16] */
301 	} bits;
302 	unsigned int u32;
303 };
304 
305 struct dmcu *dce_dmcu_create(
306 	struct dc_context *ctx,
307 	const struct dce_dmcu_registers *regs,
308 	const struct dce_dmcu_shift *dmcu_shift,
309 	const struct dce_dmcu_mask *dmcu_mask);
310 
311 struct dmcu *dcn10_dmcu_create(
312 	struct dc_context *ctx,
313 	const struct dce_dmcu_registers *regs,
314 	const struct dce_dmcu_shift *dmcu_shift,
315 	const struct dce_dmcu_mask *dmcu_mask);
316 
317 struct dmcu *dcn20_dmcu_create(
318 	struct dc_context *ctx,
319 	const struct dce_dmcu_registers *regs,
320 	const struct dce_dmcu_shift *dmcu_shift,
321 	const struct dce_dmcu_mask *dmcu_mask);
322 
323 struct dmcu *dcn21_dmcu_create(
324 	struct dc_context *ctx,
325 	const struct dce_dmcu_registers *regs,
326 	const struct dce_dmcu_shift *dmcu_shift,
327 	const struct dce_dmcu_mask *dmcu_mask);
328 
329 void dce_dmcu_destroy(struct dmcu **dmcu);
330 
331 #endif /* _DCE_ABM_H_ */
332