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(DMCU_IRAM_RD_CTRL), \
44 	SR(DMCU_IRAM_RD_DATA), \
45 	SR(DMCU_INTERRUPT_TO_UC_EN_MASK), \
46 	SR(SMU_INTERRUPT_CONTROL), \
47 	SR(DC_DMCU_SCRATCH)
48 
49 #if defined(CONFIG_DRM_AMD_DC_SI)
50 #define DMCU_DCE60_REG_LIST() \
51 	SR(DMCU_CTRL), \
52 	SR(DMCU_STATUS), \
53 	SR(DMCU_RAM_ACCESS_CTRL), \
54 	SR(DMCU_IRAM_WR_CTRL), \
55 	SR(DMCU_IRAM_WR_DATA), \
56 	SR(MASTER_COMM_DATA_REG1), \
57 	SR(MASTER_COMM_DATA_REG2), \
58 	SR(MASTER_COMM_DATA_REG3), \
59 	SR(MASTER_COMM_CMD_REG), \
60 	SR(MASTER_COMM_CNTL_REG), \
61 	SR(DMCU_IRAM_RD_CTRL), \
62 	SR(DMCU_IRAM_RD_DATA), \
63 	SR(DMCU_INTERRUPT_TO_UC_EN_MASK), \
64 	SR(DC_DMCU_SCRATCH)
65 #endif
66 
67 #define DMCU_DCE80_REG_LIST() \
68 	SR(DMCU_CTRL), \
69 	SR(DMCU_STATUS), \
70 	SR(DMCU_RAM_ACCESS_CTRL), \
71 	SR(DMCU_IRAM_WR_CTRL), \
72 	SR(DMCU_IRAM_WR_DATA), \
73 	SR(MASTER_COMM_DATA_REG1), \
74 	SR(MASTER_COMM_DATA_REG2), \
75 	SR(MASTER_COMM_DATA_REG3), \
76 	SR(MASTER_COMM_CMD_REG), \
77 	SR(MASTER_COMM_CNTL_REG), \
78 	SR(DMCU_IRAM_RD_CTRL), \
79 	SR(DMCU_IRAM_RD_DATA), \
80 	SR(DMCU_INTERRUPT_TO_UC_EN_MASK), \
81 	SR(SMU_INTERRUPT_CONTROL), \
82 	SR(DC_DMCU_SCRATCH)
83 
84 #define DMCU_DCE110_COMMON_REG_LIST() \
85 	DMCU_COMMON_REG_LIST_DCE_BASE(), \
86 	SR(DCI_MEM_PWR_STATUS)
87 
88 #define DMCU_DCN10_REG_LIST()\
89 	DMCU_COMMON_REG_LIST_DCE_BASE(), \
90 	SR(DMU_MEM_PWR_CNTL)
91 
92 #define DMCU_DCN20_REG_LIST()\
93 	DMCU_DCN10_REG_LIST(), \
94 	SR(DMCUB_SCRATCH15)
95 
96 #define DMCU_SF(reg_name, field_name, post_fix)\
97 	.field_name = reg_name ## __ ## field_name ## post_fix
98 
99 #define DMCU_COMMON_MASK_SH_LIST_DCE_COMMON_BASE(mask_sh) \
100 	DMCU_SF(DMCU_CTRL, \
101 			DMCU_ENABLE, mask_sh), \
102 	DMCU_SF(DMCU_STATUS, \
103 			UC_IN_STOP_MODE, mask_sh), \
104 	DMCU_SF(DMCU_STATUS, \
105 			UC_IN_RESET, mask_sh), \
106 	DMCU_SF(DMCU_RAM_ACCESS_CTRL, \
107 			IRAM_HOST_ACCESS_EN, mask_sh), \
108 	DMCU_SF(DMCU_RAM_ACCESS_CTRL, \
109 			IRAM_WR_ADDR_AUTO_INC, mask_sh), \
110 	DMCU_SF(DMCU_RAM_ACCESS_CTRL, \
111 			IRAM_RD_ADDR_AUTO_INC, mask_sh), \
112 	DMCU_SF(MASTER_COMM_CMD_REG, \
113 			MASTER_COMM_CMD_REG_BYTE0, mask_sh), \
114 	DMCU_SF(MASTER_COMM_CNTL_REG, MASTER_COMM_INTERRUPT, mask_sh), \
115 	DMCU_SF(DMCU_INTERRUPT_TO_UC_EN_MASK, \
116 			STATIC_SCREEN1_INT_TO_UC_EN, mask_sh), \
117 	DMCU_SF(DMCU_INTERRUPT_TO_UC_EN_MASK, \
118 			STATIC_SCREEN2_INT_TO_UC_EN, mask_sh), \
119 	DMCU_SF(DMCU_INTERRUPT_TO_UC_EN_MASK, \
120 			STATIC_SCREEN3_INT_TO_UC_EN, mask_sh), \
121 	DMCU_SF(DMCU_INTERRUPT_TO_UC_EN_MASK, \
122 			STATIC_SCREEN4_INT_TO_UC_EN, mask_sh), \
123 	DMCU_SF(SMU_INTERRUPT_CONTROL, DC_SMU_INT_ENABLE, mask_sh)
124 
125 #if defined(CONFIG_DRM_AMD_DC_SI)
126 #define DMCU_MASK_SH_LIST_DCE60(mask_sh) \
127 	DMCU_SF(DMCU_CTRL, \
128 			DMCU_ENABLE, mask_sh), \
129 	DMCU_SF(DMCU_STATUS, \
130 			UC_IN_STOP_MODE, mask_sh), \
131 	DMCU_SF(DMCU_STATUS, \
132 			UC_IN_RESET, mask_sh), \
133 	DMCU_SF(DMCU_RAM_ACCESS_CTRL, \
134 			IRAM_HOST_ACCESS_EN, mask_sh), \
135 	DMCU_SF(DMCU_RAM_ACCESS_CTRL, \
136 			IRAM_WR_ADDR_AUTO_INC, mask_sh), \
137 	DMCU_SF(DMCU_RAM_ACCESS_CTRL, \
138 			IRAM_RD_ADDR_AUTO_INC, mask_sh), \
139 	DMCU_SF(MASTER_COMM_CMD_REG, \
140 			MASTER_COMM_CMD_REG_BYTE0, mask_sh), \
141 	DMCU_SF(MASTER_COMM_CNTL_REG, MASTER_COMM_INTERRUPT, mask_sh)
142 #endif
143 
144 #define DMCU_MASK_SH_LIST_DCE80(mask_sh) \
145 	DMCU_SF(DMCU_CTRL, \
146 			DMCU_ENABLE, mask_sh), \
147 	DMCU_SF(DMCU_STATUS, \
148 			UC_IN_STOP_MODE, mask_sh), \
149 	DMCU_SF(DMCU_STATUS, \
150 			UC_IN_RESET, mask_sh), \
151 	DMCU_SF(DMCU_RAM_ACCESS_CTRL, \
152 			IRAM_HOST_ACCESS_EN, mask_sh), \
153 	DMCU_SF(DMCU_RAM_ACCESS_CTRL, \
154 			IRAM_WR_ADDR_AUTO_INC, mask_sh), \
155 	DMCU_SF(DMCU_RAM_ACCESS_CTRL, \
156 			IRAM_RD_ADDR_AUTO_INC, mask_sh), \
157 	DMCU_SF(MASTER_COMM_CMD_REG, \
158 			MASTER_COMM_CMD_REG_BYTE0, mask_sh), \
159 	DMCU_SF(MASTER_COMM_CNTL_REG, MASTER_COMM_INTERRUPT, mask_sh), \
160 	DMCU_SF(SMU_INTERRUPT_CONTROL, DC_SMU_INT_ENABLE, mask_sh)
161 
162 #define DMCU_MASK_SH_LIST_DCE110(mask_sh) \
163 	DMCU_COMMON_MASK_SH_LIST_DCE_COMMON_BASE(mask_sh), \
164 	DMCU_SF(DCI_MEM_PWR_STATUS, \
165 		DMCU_IRAM_MEM_PWR_STATE, mask_sh)
166 
167 #define DMCU_MASK_SH_LIST_DCN10(mask_sh) \
168 	DMCU_COMMON_MASK_SH_LIST_DCE_COMMON_BASE(mask_sh), \
169 	DMCU_SF(DMU_MEM_PWR_CNTL, \
170 			DMCU_IRAM_MEM_PWR_STATE, mask_sh)
171 
172 #define DMCU_REG_FIELD_LIST(type) \
173 	type DMCU_IRAM_MEM_PWR_STATE; \
174 	type IRAM_HOST_ACCESS_EN; \
175 	type IRAM_WR_ADDR_AUTO_INC; \
176 	type IRAM_RD_ADDR_AUTO_INC; \
177 	type DMCU_ENABLE; \
178 	type UC_IN_STOP_MODE; \
179 	type UC_IN_RESET; \
180 	type MASTER_COMM_CMD_REG_BYTE0; \
181 	type MASTER_COMM_INTERRUPT; \
182 	type DPHY_RX_FAST_TRAINING_CAPABLE; \
183 	type DPHY_LOAD_BS_COUNT; \
184 	type STATIC_SCREEN1_INT_TO_UC_EN; \
185 	type STATIC_SCREEN2_INT_TO_UC_EN; \
186 	type STATIC_SCREEN3_INT_TO_UC_EN; \
187 	type STATIC_SCREEN4_INT_TO_UC_EN; \
188 	type DP_SEC_GSP0_LINE_NUM; \
189 	type DP_SEC_GSP0_PRIORITY; \
190 	type DC_SMU_INT_ENABLE
191 
192 struct dce_dmcu_shift {
193 	DMCU_REG_FIELD_LIST(uint8_t);
194 };
195 
196 struct dce_dmcu_mask {
197 	DMCU_REG_FIELD_LIST(uint32_t);
198 };
199 
200 struct dce_dmcu_registers {
201 	uint32_t DMCU_CTRL;
202 	uint32_t DMCU_STATUS;
203 	uint32_t DMCU_RAM_ACCESS_CTRL;
204 	uint32_t DCI_MEM_PWR_STATUS;
205 	uint32_t DMU_MEM_PWR_CNTL;
206 	uint32_t DMCU_IRAM_WR_CTRL;
207 	uint32_t DMCU_IRAM_WR_DATA;
208 
209 	uint32_t MASTER_COMM_DATA_REG1;
210 	uint32_t MASTER_COMM_DATA_REG2;
211 	uint32_t MASTER_COMM_DATA_REG3;
212 	uint32_t MASTER_COMM_CMD_REG;
213 	uint32_t MASTER_COMM_CNTL_REG;
214 	uint32_t DMCU_IRAM_RD_CTRL;
215 	uint32_t DMCU_IRAM_RD_DATA;
216 	uint32_t DMCU_INTERRUPT_TO_UC_EN_MASK;
217 	uint32_t SMU_INTERRUPT_CONTROL;
218 	uint32_t DC_DMCU_SCRATCH;
219 	uint32_t DMCUB_SCRATCH15;
220 };
221 
222 struct dce_dmcu {
223 	struct dmcu base;
224 	const struct dce_dmcu_registers *regs;
225 	const struct dce_dmcu_shift *dmcu_shift;
226 	const struct dce_dmcu_mask *dmcu_mask;
227 };
228 
229 /*******************************************************************
230  *   MASTER_COMM_DATA_REG1   Bit position    Data
231  *                           7:0	            hyst_frames[7:0]
232  *                           14:8	        hyst_lines[6:0]
233  *                           15	            RFB_UPDATE_AUTO_EN
234  *                           18:16	        phy_num[2:0]
235  *                           21:19	        dcp_sel[2:0]
236  *                           22	            phy_type
237  *                           23	            frame_cap_ind
238  *                           26:24	        aux_chan[2:0]
239  *                           30:27	        aux_repeat[3:0]
240  *                           31:31	        reserved[31:31]
241  ******************************************************************/
242 union dce_dmcu_psr_config_data_reg1 {
243 	struct {
244 		unsigned int timehyst_frames:8;                  /*[7:0]*/
245 		unsigned int hyst_lines:7;                       /*[14:8]*/
246 		unsigned int rfb_update_auto_en:1;               /*[15:15]*/
247 		unsigned int dp_port_num:3;                      /*[18:16]*/
248 		unsigned int dcp_sel:3;                          /*[21:19]*/
249 		unsigned int phy_type:1;                         /*[22:22]*/
250 		unsigned int frame_cap_ind:1;                    /*[23:23]*/
251 		unsigned int aux_chan:3;                         /*[26:24]*/
252 		unsigned int aux_repeat:4;                       /*[30:27]*/
253 		unsigned int allow_smu_optimizations:1;         /*[31:31]*/
254 	} bits;
255 	unsigned int u32All;
256 };
257 
258 /*******************************************************************
259  *   MASTER_COMM_DATA_REG2
260  *******************************************************************/
261 union dce_dmcu_psr_config_data_reg2 {
262 	struct {
263 		unsigned int dig_fe:3;                  /*[2:0]*/
264 		unsigned int dig_be:3;                  /*[5:3]*/
265 		unsigned int skip_wait_for_pll_lock:1;  /*[6:6]*/
266 		unsigned int reserved:9;                /*[15:7]*/
267 		unsigned int frame_delay:8;             /*[23:16]*/
268 		unsigned int smu_phy_id:4;              /*[27:24]*/
269 		unsigned int num_of_controllers:4;      /*[31:28]*/
270 	} bits;
271 	unsigned int u32All;
272 };
273 
274 /*******************************************************************
275  *   MASTER_COMM_DATA_REG3
276  *******************************************************************/
277 union dce_dmcu_psr_config_data_reg3 {
278 	struct {
279 		unsigned int psr_level:16;      /*[15:0]*/
280 		unsigned int link_rate:4;       /*[19:16]*/
281 		unsigned int reserved:12;        /*[31:20]*/
282 	} bits;
283 	unsigned int u32All;
284 };
285 
286 union dce_dmcu_psr_config_data_wait_loop_reg1 {
287 	struct {
288 		unsigned int wait_loop:16; /* [15:0] */
289 		unsigned int reserved:16; /* [31:16] */
290 	} bits;
291 	unsigned int u32;
292 };
293 
294 struct dmcu *dce_dmcu_create(
295 	struct dc_context *ctx,
296 	const struct dce_dmcu_registers *regs,
297 	const struct dce_dmcu_shift *dmcu_shift,
298 	const struct dce_dmcu_mask *dmcu_mask);
299 
300 struct dmcu *dcn10_dmcu_create(
301 	struct dc_context *ctx,
302 	const struct dce_dmcu_registers *regs,
303 	const struct dce_dmcu_shift *dmcu_shift,
304 	const struct dce_dmcu_mask *dmcu_mask);
305 
306 struct dmcu *dcn20_dmcu_create(
307 	struct dc_context *ctx,
308 	const struct dce_dmcu_registers *regs,
309 	const struct dce_dmcu_shift *dmcu_shift,
310 	const struct dce_dmcu_mask *dmcu_mask);
311 
312 struct dmcu *dcn21_dmcu_create(
313 	struct dc_context *ctx,
314 	const struct dce_dmcu_registers *regs,
315 	const struct dce_dmcu_shift *dmcu_shift,
316 	const struct dce_dmcu_mask *dmcu_mask);
317 
318 void dce_dmcu_destroy(struct dmcu **dmcu);
319 
320 static const uint32_t abm_gain_stepsize = 0x0060;
321 
322 #endif /* _DCE_ABM_H_ */
323