xref: /netbsd-src/sys/external/bsd/drm2/dist/drm/amd/display/dc/gpio/ddc_regs.h (revision 41ec02673d281bbb3d38e6c78504ce6e30c228c1)
1 /*	$NetBSD: ddc_regs.h,v 1.2 2021/12/18 23:45:04 riastradh Exp $	*/
2 
3 /*
4  * Copyright 2012-16 Advanced Micro Devices, Inc.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22  * OTHER DEALINGS IN THE SOFTWARE.
23  *
24  * Authors: AMD
25  *
26  */
27 
28 #ifndef DRIVERS_GPU_DRM_AMD_DC_DEV_DC_GPIO_DDC_REGS_H_
29 #define DRIVERS_GPU_DRM_AMD_DC_DEV_DC_GPIO_DDC_REGS_H_
30 
31 #include "gpio_regs.h"
32 
33 /****************************** new register headers */
34 /*** following in header */
35 
36 #define DDC_GPIO_REG_LIST_ENTRY(type,cd,id) \
37 	.type ## _reg =   REG(DC_GPIO_DDC ## id ## _ ## type),\
38 	.type ## _mask =  DC_GPIO_DDC ## id ## _ ## type ## __DC_GPIO_DDC ## id ## cd ## _ ## type ## _MASK,\
39 	.type ## _shift = DC_GPIO_DDC ## id ## _ ## type ## __DC_GPIO_DDC ## id ## cd ## _ ## type ## __SHIFT
40 
41 #define DDC_GPIO_REG_LIST(cd,id) \
42 	{\
43 	DDC_GPIO_REG_LIST_ENTRY(MASK,cd,id),\
44 	DDC_GPIO_REG_LIST_ENTRY(A,cd,id),\
45 	DDC_GPIO_REG_LIST_ENTRY(EN,cd,id),\
46 	DDC_GPIO_REG_LIST_ENTRY(Y,cd,id)\
47 	}
48 
49 #define DDC_REG_LIST(cd,id) \
50 	DDC_GPIO_REG_LIST(cd,id),\
51 	.ddc_setup = REG(DC_I2C_DDC ## id ## _SETUP)
52 
53 	#define DDC_REG_LIST_DCN2(cd, id) \
54 	DDC_GPIO_REG_LIST(cd, id),\
55 	.ddc_setup = REG(DC_I2C_DDC ## id ## _SETUP),\
56 	.phy_aux_cntl = REG(PHY_AUX_CNTL), \
57 	.dc_gpio_aux_ctrl_5 = REG(DC_GPIO_AUX_CTRL_5)
58 
59 #define DDC_GPIO_VGA_REG_LIST_ENTRY(type,cd)\
60 	.type ## _reg =   REG(DC_GPIO_DDCVGA_ ## type),\
61 	.type ## _mask =  DC_GPIO_DDCVGA_ ## type ## __DC_GPIO_DDCVGA ## cd ## _ ## type ## _MASK,\
62 	.type ## _shift = DC_GPIO_DDCVGA_ ## type ## __DC_GPIO_DDCVGA ## cd ## _ ## type ## __SHIFT
63 
64 #define DDC_GPIO_VGA_REG_LIST(cd) \
65 	{\
66 	DDC_GPIO_VGA_REG_LIST_ENTRY(MASK,cd),\
67 	DDC_GPIO_VGA_REG_LIST_ENTRY(A,cd),\
68 	DDC_GPIO_VGA_REG_LIST_ENTRY(EN,cd),\
69 	DDC_GPIO_VGA_REG_LIST_ENTRY(Y,cd)\
70 	}
71 
72 #define DDC_VGA_REG_LIST(cd) \
73 	DDC_GPIO_VGA_REG_LIST(cd),\
74 	.ddc_setup = mmDC_I2C_DDCVGA_SETUP
75 
76 #define DDC_GPIO_I2C_REG_LIST_ENTRY(type,cd) \
77 	.type ## _reg =   REG(DC_GPIO_I2CPAD_ ## type),\
78 	.type ## _mask =  DC_GPIO_I2CPAD_ ## type ## __DC_GPIO_ ## cd ## _ ## type ## _MASK,\
79 	.type ## _shift = DC_GPIO_I2CPAD_ ## type ## __DC_GPIO_ ## cd ## _ ## type ## __SHIFT
80 
81 #define DDC_GPIO_I2C_REG_LIST(cd) \
82 	{\
83 	DDC_GPIO_I2C_REG_LIST_ENTRY(MASK,cd),\
84 	DDC_GPIO_I2C_REG_LIST_ENTRY(A,cd),\
85 	DDC_GPIO_I2C_REG_LIST_ENTRY(EN,cd),\
86 	DDC_GPIO_I2C_REG_LIST_ENTRY(Y,cd)\
87 	}
88 
89 #define DDC_I2C_REG_LIST(cd) \
90 	DDC_GPIO_I2C_REG_LIST(cd),\
91 	.ddc_setup = 0
92 
93 #define DDC_I2C_REG_LIST_DCN2(cd) \
94 	DDC_GPIO_I2C_REG_LIST(cd),\
95 	.ddc_setup = 0,\
96 	.phy_aux_cntl = REG(PHY_AUX_CNTL), \
97 	.dc_gpio_aux_ctrl_5 = REG(DC_GPIO_AUX_CTRL_5)
98 #define DDC_MASK_SH_LIST_COMMON(mask_sh) \
99 		SF_DDC(DC_I2C_DDC1_SETUP, DC_I2C_DDC1_ENABLE, mask_sh),\
100 		SF_DDC(DC_I2C_DDC1_SETUP, DC_I2C_DDC1_EDID_DETECT_ENABLE, mask_sh),\
101 		SF_DDC(DC_I2C_DDC1_SETUP, DC_I2C_DDC1_EDID_DETECT_MODE, mask_sh),\
102 		SF_DDC(DC_GPIO_DDC1_MASK, DC_GPIO_DDC1DATA_PD_EN, mask_sh),\
103 		SF_DDC(DC_GPIO_DDC1_MASK, DC_GPIO_DDC1CLK_PD_EN, mask_sh),\
104 		SF_DDC(DC_GPIO_DDC1_MASK, AUX_PAD1_MODE, mask_sh)
105 
106 #define DDC_MASK_SH_LIST(mask_sh) \
107 		DDC_MASK_SH_LIST_COMMON(mask_sh),\
108 		SF_DDC(DC_GPIO_I2CPAD_MASK, DC_GPIO_SDA_PD_DIS, mask_sh),\
109 		SF_DDC(DC_GPIO_I2CPAD_MASK, DC_GPIO_SCL_PD_DIS, mask_sh)
110 
111 #define DDC_MASK_SH_LIST_DCN2(mask_sh, cd) \
112 	{DDC_MASK_SH_LIST_COMMON(mask_sh),\
113 	0,\
114 	0,\
115 	(PHY_AUX_CNTL__AUX## cd ##_PAD_RXSEL## mask_sh),\
116 	(DC_GPIO_AUX_CTRL_5__DDC_PAD## cd ##_I2CMODE## mask_sh)}
117 
118 struct ddc_registers {
119 	struct gpio_registers gpio;
120 	uint32_t ddc_setup;
121 	uint32_t phy_aux_cntl;
122 	uint32_t dc_gpio_aux_ctrl_5;
123 };
124 
125 struct ddc_sh_mask {
126 	/* i2c_dd_setup */
127 	uint32_t DC_I2C_DDC1_ENABLE;
128 	uint32_t DC_I2C_DDC1_EDID_DETECT_ENABLE;
129 	uint32_t DC_I2C_DDC1_EDID_DETECT_MODE;
130 	/* ddc1_mask */
131 	uint32_t DC_GPIO_DDC1DATA_PD_EN;
132 	uint32_t DC_GPIO_DDC1CLK_PD_EN;
133 	uint32_t AUX_PAD1_MODE;
134 	/* i2cpad_mask */
135 	uint32_t DC_GPIO_SDA_PD_DIS;
136 	uint32_t DC_GPIO_SCL_PD_DIS;
137 	//phy_aux_cntl
138 	uint32_t AUX_PAD_RXSEL;
139 	uint32_t DDC_PAD_I2CMODE;
140 };
141 
142 
143 
144 /*** following in dc_resource */
145 
146 #define ddc_data_regs(id) \
147 {\
148 	DDC_REG_LIST(DATA,id)\
149 }
150 
151 #define ddc_clk_regs(id) \
152 {\
153 	DDC_REG_LIST(CLK,id)\
154 }
155 
156 #define ddc_vga_data_regs \
157 {\
158 	DDC_VGA_REG_LIST(DATA)\
159 }
160 
161 #define ddc_vga_clk_regs \
162 {\
163 	DDC_VGA_REG_LIST(CLK)\
164 }
165 
166 #define ddc_i2c_data_regs \
167 {\
168 	DDC_I2C_REG_LIST(SDA)\
169 }
170 
171 #define ddc_i2c_clk_regs \
172 {\
173 	DDC_I2C_REG_LIST(SCL)\
174 }
175 #define ddc_data_regs_dcn2(id) \
176 {\
177 	DDC_REG_LIST_DCN2(DATA, id)\
178 }
179 
180 #define ddc_clk_regs_dcn2(id) \
181 {\
182 	DDC_REG_LIST_DCN2(CLK, id)\
183 }
184 
185 #define ddc_i2c_data_regs_dcn2 \
186 {\
187 	DDC_I2C_REG_LIST_DCN2(SDA)\
188 }
189 
190 #define ddc_i2c_clk_regs_dcn2 \
191 {\
192 	DDC_REG_LIST_DCN2(SCL)\
193 }
194 
195 
196 #endif /* DRIVERS_GPU_DRM_AMD_DC_DEV_DC_GPIO_DDC_REGS_H_ */
197