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 #ifndef DRIVERS_GPU_DRM_AMD_DC_DEV_DC_GPIO_DDC_REGS_H_
27 #define DRIVERS_GPU_DRM_AMD_DC_DEV_DC_GPIO_DDC_REGS_H_
28 
29 #include "gpio_regs.h"
30 
31 /****************************** new register headers */
32 /*** following in header */
33 
34 #define DDC_GPIO_REG_LIST_ENTRY(type,cd,id) \
35 	.type ## _reg =   REG(DC_GPIO_DDC ## id ## _ ## type),\
36 	.type ## _mask =  DC_GPIO_DDC ## id ## _ ## type ## __DC_GPIO_DDC ## id ## cd ## _ ## type ## _MASK,\
37 	.type ## _shift = DC_GPIO_DDC ## id ## _ ## type ## __DC_GPIO_DDC ## id ## cd ## _ ## type ## __SHIFT
38 
39 #define DDC_GPIO_REG_LIST(cd,id) \
40 	{\
41 	DDC_GPIO_REG_LIST_ENTRY(MASK,cd,id),\
42 	DDC_GPIO_REG_LIST_ENTRY(A,cd,id),\
43 	DDC_GPIO_REG_LIST_ENTRY(EN,cd,id),\
44 	DDC_GPIO_REG_LIST_ENTRY(Y,cd,id)\
45 	}
46 
47 #define DDC_REG_LIST(cd,id) \
48 	DDC_GPIO_REG_LIST(cd,id),\
49 	.ddc_setup = REG(DC_I2C_DDC ## id ## _SETUP)
50 
51 #if defined(CONFIG_DRM_AMD_DC_DCN2_0)
52 	#define DDC_REG_LIST_DCN2(cd, id) \
53 	DDC_GPIO_REG_LIST(cd, id),\
54 	.ddc_setup = REG(DC_I2C_DDC ## id ## _SETUP),\
55 	.phy_aux_cntl = REG(PHY_AUX_CNTL), \
56 	.dc_gpio_aux_ctrl_5 = REG(DC_GPIO_AUX_CTRL_5)
57 #endif
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 #if defined(CONFIG_DRM_AMD_DC_DCN2_0)
94 #define DDC_I2C_REG_LIST_DCN2(cd) \
95 	DDC_GPIO_I2C_REG_LIST(cd),\
96 	.ddc_setup = 0,\
97 	.phy_aux_cntl = REG(PHY_AUX_CNTL), \
98 	.dc_gpio_aux_ctrl_5 = REG(DC_GPIO_AUX_CTRL_5)
99 #endif
100 #define DDC_MASK_SH_LIST_COMMON(mask_sh) \
101 		SF_DDC(DC_I2C_DDC1_SETUP, DC_I2C_DDC1_ENABLE, mask_sh),\
102 		SF_DDC(DC_I2C_DDC1_SETUP, DC_I2C_DDC1_EDID_DETECT_ENABLE, mask_sh),\
103 		SF_DDC(DC_I2C_DDC1_SETUP, DC_I2C_DDC1_EDID_DETECT_MODE, mask_sh),\
104 		SF_DDC(DC_GPIO_DDC1_MASK, DC_GPIO_DDC1DATA_PD_EN, mask_sh),\
105 		SF_DDC(DC_GPIO_DDC1_MASK, DC_GPIO_DDC1CLK_PD_EN, mask_sh),\
106 		SF_DDC(DC_GPIO_DDC1_MASK, AUX_PAD1_MODE, mask_sh)
107 
108 #define DDC_MASK_SH_LIST(mask_sh) \
109 		DDC_MASK_SH_LIST_COMMON(mask_sh),\
110 		SF_DDC(DC_GPIO_I2CPAD_MASK, DC_GPIO_SDA_PD_DIS, mask_sh),\
111 		SF_DDC(DC_GPIO_I2CPAD_MASK, DC_GPIO_SCL_PD_DIS, mask_sh)
112 
113 #if defined(CONFIG_DRM_AMD_DC_DCN2_0)
114 #define DDC_MASK_SH_LIST_DCN2(mask_sh, cd) \
115 	{DDC_MASK_SH_LIST_COMMON(mask_sh),\
116 	0,\
117 	0,\
118 	(PHY_AUX_CNTL__AUX## cd ##_PAD_RXSEL## mask_sh),\
119 	(DC_GPIO_AUX_CTRL_5__DDC_PAD## cd ##_I2CMODE## mask_sh)}
120 #endif
121 
122 struct ddc_registers {
123 	struct gpio_registers gpio;
124 	uint32_t ddc_setup;
125 #if defined(CONFIG_DRM_AMD_DC_DCN2_0)
126 	uint32_t phy_aux_cntl;
127 	uint32_t dc_gpio_aux_ctrl_5;
128 #endif
129 };
130 
131 struct ddc_sh_mask {
132 	/* i2c_dd_setup */
133 	uint32_t DC_I2C_DDC1_ENABLE;
134 	uint32_t DC_I2C_DDC1_EDID_DETECT_ENABLE;
135 	uint32_t DC_I2C_DDC1_EDID_DETECT_MODE;
136 	/* ddc1_mask */
137 	uint32_t DC_GPIO_DDC1DATA_PD_EN;
138 	uint32_t DC_GPIO_DDC1CLK_PD_EN;
139 	uint32_t AUX_PAD1_MODE;
140 	/* i2cpad_mask */
141 	uint32_t DC_GPIO_SDA_PD_DIS;
142 	uint32_t DC_GPIO_SCL_PD_DIS;
143 #if defined(CONFIG_DRM_AMD_DC_DCN2_0)
144 	//phy_aux_cntl
145 	uint32_t AUX_PAD_RXSEL;
146 	uint32_t DDC_PAD_I2CMODE;
147 #endif
148 };
149 
150 
151 
152 /*** following in dc_resource */
153 
154 #define ddc_data_regs(id) \
155 {\
156 	DDC_REG_LIST(DATA,id)\
157 }
158 
159 #define ddc_clk_regs(id) \
160 {\
161 	DDC_REG_LIST(CLK,id)\
162 }
163 
164 #define ddc_vga_data_regs \
165 {\
166 	DDC_VGA_REG_LIST(DATA)\
167 }
168 
169 #define ddc_vga_clk_regs \
170 {\
171 	DDC_VGA_REG_LIST(CLK)\
172 }
173 
174 #define ddc_i2c_data_regs \
175 {\
176 	DDC_I2C_REG_LIST(SDA)\
177 }
178 
179 #define ddc_i2c_clk_regs \
180 {\
181 	DDC_I2C_REG_LIST(SCL)\
182 }
183 #if defined(CONFIG_DRM_AMD_DC_DCN2_0)
184 #define ddc_data_regs_dcn2(id) \
185 {\
186 	DDC_REG_LIST_DCN2(DATA, id)\
187 }
188 
189 #define ddc_clk_regs_dcn2(id) \
190 {\
191 	DDC_REG_LIST_DCN2(CLK, id)\
192 }
193 
194 #define ddc_i2c_data_regs_dcn2 \
195 {\
196 	DDC_I2C_REG_LIST_DCN2(SDA)\
197 }
198 
199 #define ddc_i2c_clk_regs_dcn2 \
200 {\
201 	DDC_REG_LIST_DCN2(SCL)\
202 }
203 #endif
204 
205 
206 #endif /* DRIVERS_GPU_DRM_AMD_DC_DEV_DC_GPIO_DDC_REGS_H_ */
207