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_RAM_ACCESS_CTRL), \
35 	SR(DMCU_IRAM_WR_CTRL), \
36 	SR(DMCU_IRAM_WR_DATA), \
37 	SR(MASTER_COMM_DATA_REG1), \
38 	SR(MASTER_COMM_DATA_REG2), \
39 	SR(MASTER_COMM_DATA_REG3), \
40 	SR(MASTER_COMM_CMD_REG), \
41 	SR(MASTER_COMM_CNTL_REG), \
42 	SR(DMCU_IRAM_RD_CTRL), \
43 	SR(DMCU_IRAM_RD_DATA), \
44 	SR(DMCU_INTERRUPT_TO_UC_EN_MASK), \
45 	SR(SMU_INTERRUPT_CONTROL)
46 
47 #define DMCU_DCE110_COMMON_REG_LIST() \
48 	DMCU_COMMON_REG_LIST_DCE_BASE(), \
49 	SR(DCI_MEM_PWR_STATUS)
50 
51 #define DMCU_SF(reg_name, field_name, post_fix)\
52 	.field_name = reg_name ## __ ## field_name ## post_fix
53 
54 #define DMCU_COMMON_MASK_SH_LIST_DCE_COMMON_BASE(mask_sh) \
55 	DMCU_SF(DMCU_CTRL, \
56 			DMCU_ENABLE, mask_sh), \
57 	DMCU_SF(DMCU_RAM_ACCESS_CTRL, \
58 			IRAM_HOST_ACCESS_EN, mask_sh), \
59 	DMCU_SF(DMCU_RAM_ACCESS_CTRL, \
60 			IRAM_WR_ADDR_AUTO_INC, mask_sh), \
61 	DMCU_SF(MASTER_COMM_CMD_REG, \
62 			MASTER_COMM_CMD_REG_BYTE0, mask_sh), \
63 	DMCU_SF(MASTER_COMM_CNTL_REG, MASTER_COMM_INTERRUPT, mask_sh), \
64 	DMCU_SF(DMCU_INTERRUPT_TO_UC_EN_MASK, \
65 			STATIC_SCREEN1_INT_TO_UC_EN, mask_sh), \
66 	DMCU_SF(DMCU_INTERRUPT_TO_UC_EN_MASK, \
67 			STATIC_SCREEN2_INT_TO_UC_EN, mask_sh), \
68 	DMCU_SF(DMCU_INTERRUPT_TO_UC_EN_MASK, \
69 			STATIC_SCREEN3_INT_TO_UC_EN, mask_sh), \
70 	DMCU_SF(DMCU_INTERRUPT_TO_UC_EN_MASK, \
71 			STATIC_SCREEN4_INT_TO_UC_EN, mask_sh), \
72 	DMCU_SF(SMU_INTERRUPT_CONTROL, DC_SMU_INT_ENABLE, mask_sh)
73 
74 #define DMCU_MASK_SH_LIST_DCE110(mask_sh) \
75 	DMCU_COMMON_MASK_SH_LIST_DCE_COMMON_BASE(mask_sh), \
76 	DMCU_SF(DCI_MEM_PWR_STATUS, \
77 		DMCU_IRAM_MEM_PWR_STATE, mask_sh)
78 
79 #define DMCU_REG_FIELD_LIST(type) \
80 	type DMCU_IRAM_MEM_PWR_STATE; \
81 	type IRAM_HOST_ACCESS_EN; \
82 	type IRAM_WR_ADDR_AUTO_INC; \
83 	type DMCU_ENABLE; \
84 	type MASTER_COMM_CMD_REG_BYTE0; \
85 	type MASTER_COMM_INTERRUPT; \
86 	type DPHY_RX_FAST_TRAINING_CAPABLE; \
87 	type DPHY_LOAD_BS_COUNT; \
88 	type STATIC_SCREEN1_INT_TO_UC_EN; \
89 	type STATIC_SCREEN2_INT_TO_UC_EN; \
90 	type STATIC_SCREEN3_INT_TO_UC_EN; \
91 	type STATIC_SCREEN4_INT_TO_UC_EN; \
92 	type DP_SEC_GSP0_LINE_NUM; \
93 	type DP_SEC_GSP0_PRIORITY; \
94 	type DC_SMU_INT_ENABLE
95 
96 struct dce_dmcu_shift {
97 	DMCU_REG_FIELD_LIST(uint8_t);
98 };
99 
100 struct dce_dmcu_mask {
101 	DMCU_REG_FIELD_LIST(uint32_t);
102 };
103 
104 struct dce_dmcu_registers {
105 	uint32_t DMCU_CTRL;
106 	uint32_t DMCU_RAM_ACCESS_CTRL;
107 	uint32_t DCI_MEM_PWR_STATUS;
108 	uint32_t DMU_MEM_PWR_CNTL;
109 	uint32_t DMCU_IRAM_WR_CTRL;
110 	uint32_t DMCU_IRAM_WR_DATA;
111 
112 	uint32_t MASTER_COMM_DATA_REG1;
113 	uint32_t MASTER_COMM_DATA_REG2;
114 	uint32_t MASTER_COMM_DATA_REG3;
115 	uint32_t MASTER_COMM_CMD_REG;
116 	uint32_t MASTER_COMM_CNTL_REG;
117 	uint32_t DMCU_IRAM_RD_CTRL;
118 	uint32_t DMCU_IRAM_RD_DATA;
119 	uint32_t DMCU_INTERRUPT_TO_UC_EN_MASK;
120 	uint32_t SMU_INTERRUPT_CONTROL;
121 };
122 
123 struct dce_dmcu {
124 	struct dmcu base;
125 	const struct dce_dmcu_registers *regs;
126 	const struct dce_dmcu_shift *dmcu_shift;
127 	const struct dce_dmcu_mask *dmcu_mask;
128 };
129 
130 /*******************************************************************
131  *   MASTER_COMM_DATA_REG1   Bit position    Data
132  *                           7:0	            hyst_frames[7:0]
133  *                           14:8	        hyst_lines[6:0]
134  *                           15	            RFB_UPDATE_AUTO_EN
135  *                           18:16	        phy_num[2:0]
136  *                           21:19	        dcp_sel[2:0]
137  *                           22	            phy_type
138  *                           23	            frame_cap_ind
139  *                           26:24	        aux_chan[2:0]
140  *                           30:27	        aux_repeat[3:0]
141  *                           31:31	        reserved[31:31]
142  ******************************************************************/
143 union dce_dmcu_psr_config_data_reg1 {
144 	struct {
145 		unsigned int timehyst_frames:8;    /*[7:0]*/
146 		unsigned int hyst_lines:7;         /*[14:8]*/
147 		unsigned int rfb_update_auto_en:1; /*[15:15]*/
148 		unsigned int dp_port_num:3;        /*[18:16]*/
149 		unsigned int dcp_sel:3;            /*[21:19]*/
150 		unsigned int phy_type:1;           /*[22:22]*/
151 		unsigned int frame_cap_ind:1;      /*[23:23]*/
152 		unsigned int aux_chan:3;           /*[26:24]*/
153 		unsigned int aux_repeat:4;         /*[30:27]*/
154 		unsigned int reserved:1;           /*[31:31]*/
155 	} bits;
156 	unsigned int u32All;
157 };
158 
159 /*******************************************************************
160  *   MASTER_COMM_DATA_REG2
161  *******************************************************************/
162 union dce_dmcu_psr_config_data_reg2 {
163 	struct {
164 		unsigned int dig_fe:3;                  /*[2:0]*/
165 		unsigned int dig_be:3;                  /*[5:3]*/
166 		unsigned int skip_wait_for_pll_lock:1;  /*[6:6]*/
167 		unsigned int reserved:9;                /*[15:7]*/
168 		unsigned int frame_delay:8;             /*[23:16]*/
169 		unsigned int smu_phy_id:4;              /*[27:24]*/
170 		unsigned int num_of_controllers:4;      /*[31:28]*/
171 	} bits;
172 	unsigned int u32All;
173 };
174 
175 /*******************************************************************
176  *   MASTER_COMM_DATA_REG3
177  *******************************************************************/
178 union dce_dmcu_psr_config_data_reg3 {
179 	struct {
180 		unsigned int psr_level:16;      /*[15:0]*/
181 		unsigned int link_rate:4;       /*[19:16]*/
182 		unsigned int reserved:12;       /*[31:20]*/
183 	} bits;
184 	unsigned int u32All;
185 };
186 
187 struct dmcu *dce_dmcu_create(
188 	struct dc_context *ctx,
189 	const struct dce_dmcu_registers *regs,
190 	const struct dce_dmcu_shift *dmcu_shift,
191 	const struct dce_dmcu_mask *dmcu_mask);
192 
193 void dce_dmcu_destroy(struct dmcu **dmcu);
194 
195 #endif /* _DCE_ABM_H_ */
196