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 #define DDC_REG_LIST_DCN2(cd, id) \
52 DDC_GPIO_REG_LIST(cd, id),\
53 .ddc_setup = REG(DC_I2C_DDC ## id ## _SETUP),\
54 .phy_aux_cntl = REG(PHY_AUX_CNTL), \
55 .dc_gpio_aux_ctrl_5 = REG(DC_GPIO_AUX_CTRL_5)
56
57#define DDC_GPIO_VGA_REG_LIST_ENTRY(type, cd)\
58 .type ## _reg = REG(DC_GPIO_DDCVGA_ ## type),\
59 .type ## _mask = DC_GPIO_DDCVGA_ ## type ## __DC_GPIO_DDCVGA ## cd ## _ ## type ## _MASK,\
60 .type ## _shift = DC_GPIO_DDCVGA_ ## type ## __DC_GPIO_DDCVGA ## cd ## _ ## type ## __SHIFT
61
62#define DDC_GPIO_VGA_REG_LIST(cd) \
63 {\
64 DDC_GPIO_VGA_REG_LIST_ENTRY(MASK, cd),\
65 DDC_GPIO_VGA_REG_LIST_ENTRY(A, cd),\
66 DDC_GPIO_VGA_REG_LIST_ENTRY(EN, cd),\
67 DDC_GPIO_VGA_REG_LIST_ENTRY(Y, cd)\
68 }
69
70#define DDC_VGA_REG_LIST(cd) \
71 DDC_GPIO_VGA_REG_LIST(cd),\
72 .ddc_setup = mmDC_I2C_DDCVGA_SETUP
73
74#define DDC_GPIO_I2C_REG_LIST_ENTRY(type, cd) \
75 .type ## _reg = REG(DC_GPIO_I2CPAD_ ## type),\
76 .type ## _mask = DC_GPIO_I2CPAD_ ## type ## __DC_GPIO_ ## cd ## _ ## type ## _MASK,\
77 .type ## _shift = DC_GPIO_I2CPAD_ ## type ## __DC_GPIO_ ## cd ## _ ## type ## __SHIFT
78
79#define DDC_GPIO_I2C_REG_LIST(cd) \
80 {\
81 DDC_GPIO_I2C_REG_LIST_ENTRY(MASK, cd),\
82 DDC_GPIO_I2C_REG_LIST_ENTRY(A, cd),\
83 DDC_GPIO_I2C_REG_LIST_ENTRY(EN, cd),\
84 DDC_GPIO_I2C_REG_LIST_ENTRY(Y, cd)\
85 }
86
87#define DDC_I2C_REG_LIST(cd) \
88 DDC_GPIO_I2C_REG_LIST(cd),\
89 .ddc_setup = 0
90
91#define DDC_I2C_REG_LIST_DCN2(cd) \
92 DDC_GPIO_I2C_REG_LIST(cd),\
93 .ddc_setup = 0,\
94 .phy_aux_cntl = REG(PHY_AUX_CNTL), \
95 .dc_gpio_aux_ctrl_5 = REG(DC_GPIO_AUX_CTRL_5)
96#define DDC_MASK_SH_LIST_COMMON(mask_sh) \
97 SF_DDC(DC_I2C_DDC1_SETUP, DC_I2C_DDC1_ENABLE, mask_sh),\
98 SF_DDC(DC_I2C_DDC1_SETUP, DC_I2C_DDC1_EDID_DETECT_ENABLE, mask_sh),\
99 SF_DDC(DC_I2C_DDC1_SETUP, DC_I2C_DDC1_EDID_DETECT_MODE, mask_sh),\
100 SF_DDC(DC_GPIO_DDC1_MASK, DC_GPIO_DDC1DATA_PD_EN, mask_sh),\
101 SF_DDC(DC_GPIO_DDC1_MASK, DC_GPIO_DDC1CLK_PD_EN, mask_sh),\
102 SF_DDC(DC_GPIO_DDC1_MASK, AUX_PAD1_MODE, mask_sh)
103
104#define DDC_MASK_SH_LIST(mask_sh) \
105 DDC_MASK_SH_LIST_COMMON(mask_sh),\
106 SF_DDC(DC_GPIO_I2CPAD_MASK, DC_GPIO_SDA_PD_DIS, mask_sh),\
107 SF_DDC(DC_GPIO_I2CPAD_MASK, DC_GPIO_SCL_PD_DIS, mask_sh)
108
109#define DDC_MASK_SH_LIST_DCN2(mask_sh, cd) \
110 {DDC_MASK_SH_LIST_COMMON(mask_sh),\
111 0,\
112 0,\
113 (PHY_AUX_CNTL__AUX## cd ##_PAD_RXSEL## mask_sh),\
114 (DC_GPIO_AUX_CTRL_5__DDC_PAD## cd ##_I2CMODE## mask_sh)}
115
116#define DDC_MASK_SH_LIST_DCN2_VGA(mask_sh) \
117 {DDC_MASK_SH_LIST_COMMON(mask_sh),\
118 0,\
119 0,\
120 0,\
121 0}
122
123struct ddc_registers {
124 struct gpio_registers gpio;
125 uint32_t ddc_setup;
126 uint32_t phy_aux_cntl;
127 uint32_t dc_gpio_aux_ctrl_5;
128};
129
130struct ddc_sh_mask {
131 /* i2c_dd_setup */
132 uint32_t DC_I2C_DDC1_ENABLE;
133 uint32_t DC_I2C_DDC1_EDID_DETECT_ENABLE;
134 uint32_t DC_I2C_DDC1_EDID_DETECT_MODE;
135 /* ddc1_mask */
136 uint32_t DC_GPIO_DDC1DATA_PD_EN;
137 uint32_t DC_GPIO_DDC1CLK_PD_EN;
138 uint32_t AUX_PAD1_MODE;
139 /* i2cpad_mask */
140 uint32_t DC_GPIO_SDA_PD_DIS;
141 uint32_t DC_GPIO_SCL_PD_DIS;
142 //phy_aux_cntl
143 uint32_t AUX_PAD_RXSEL;
144 uint32_t DDC_PAD_I2CMODE;
145};
146
147
148
149/*** following in dc_resource */
150
151#define ddc_data_regs(id) \
152{\
153 DDC_REG_LIST(DATA, id)\
154}
155
156#define ddc_clk_regs(id) \
157{\
158 DDC_REG_LIST(CLK, id)\
159}
160
161#define ddc_vga_data_regs \
162{\
163 DDC_VGA_REG_LIST(DATA)\
164}
165
166#define ddc_vga_clk_regs \
167{\
168 DDC_VGA_REG_LIST(CLK)\
169}
170
171#define ddc_i2c_data_regs \
172{\
173 DDC_I2C_REG_LIST(SDA)\
174}
175
176#define ddc_i2c_clk_regs \
177{\
178 DDC_I2C_REG_LIST(SCL)\
179}
180#define ddc_data_regs_dcn2(id) \
181{\
182 DDC_REG_LIST_DCN2(DATA, id)\
183}
184
185#define ddc_clk_regs_dcn2(id) \
186{\
187 DDC_REG_LIST_DCN2(CLK, id)\
188}
189
190#define ddc_i2c_data_regs_dcn2 \
191{\
192 DDC_I2C_REG_LIST_DCN2(SDA)\
193}
194
195#define ddc_i2c_clk_regs_dcn2 \
196{\
197 DDC_REG_LIST_DCN2(SCL)\
198}
199
200
201#endif /* DRIVERS_GPU_DRM_AMD_DC_DEV_DC_GPIO_DDC_REGS_H_ */
202

source code of linux/drivers/gpu/drm/amd/display/dc/gpio/ddc_regs.h