xref: /netbsd-src/sys/external/bsd/drm2/dist/drm/amd/display/dc/gpio/dce120/amdgpu_hw_factory_dce120.c (revision 41ec02673d281bbb3d38e6c78504ce6e30c228c1)
1 /*	$NetBSD: amdgpu_hw_factory_dce120.c,v 1.2 2021/12/18 23:45:04 riastradh Exp $	*/
2 
3 /*
4  * Copyright 2013-15 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 #include <sys/cdefs.h>
29 __KERNEL_RCSID(0, "$NetBSD: amdgpu_hw_factory_dce120.c,v 1.2 2021/12/18 23:45:04 riastradh Exp $");
30 
31 #include "dm_services.h"
32 #include "include/gpio_types.h"
33 #include "../hw_factory.h"
34 
35 #include "../hw_gpio.h"
36 #include "../hw_ddc.h"
37 #include "../hw_hpd.h"
38 #include "../hw_generic.h"
39 
40 #include "hw_factory_dce120.h"
41 
42 #include "dce/dce_12_0_offset.h"
43 #include "dce/dce_12_0_sh_mask.h"
44 #include "soc15_hw_ip.h"
45 #include "vega10_ip_offset.h"
46 
47 #define block HPD
48 #define reg_num 0
49 
50 /* set field name */
51 #define SF_HPD(reg_name, field_name, post_fix)\
52 	.field_name = HPD0_ ## reg_name ## __ ## field_name ## post_fix
53 
54 /* set field name */
55 #define SF_HPD(reg_name, field_name, post_fix)\
56 	.field_name = HPD0_ ## reg_name ## __ ## field_name ## post_fix
57 
58 #define BASE_INNER(seg) \
59 	DCE_BASE__INST0_SEG ## seg
60 
61 /* compile time expand base address. */
62 #define BASE(seg) \
63 	BASE_INNER(seg)
64 
65 #define REG(reg_name)\
66 		BASE(mm ## reg_name ## _BASE_IDX) + mm ## reg_name
67 
68 #define REGI(reg_name, block, id)\
69 	BASE(mm ## block ## id ## _ ## reg_name ## _BASE_IDX) + \
70 				mm ## block ## id ## _ ## reg_name
71 
72 
73 #include "reg_helper.h"
74 #include "../hpd_regs.h"
75 
76 #define hpd_regs(id) \
77 {\
78 	HPD_REG_LIST(id)\
79 }
80 
81 static const struct hpd_registers hpd_regs[] = {
82 	hpd_regs(0),
83 	hpd_regs(1),
84 	hpd_regs(2),
85 	hpd_regs(3),
86 	hpd_regs(4),
87 	hpd_regs(5)
88 };
89 
90 static const struct hpd_sh_mask hpd_shift = {
91 		HPD_MASK_SH_LIST(__SHIFT)
92 };
93 
94 static const struct hpd_sh_mask hpd_mask = {
95 		HPD_MASK_SH_LIST(_MASK)
96 };
97 
98 #include "../ddc_regs.h"
99 
100  /* set field name */
101 #define SF_DDC(reg_name, field_name, post_fix)\
102 	.field_name = reg_name ## __ ## field_name ## post_fix
103 
104 static const struct ddc_registers ddc_data_regs[] = {
105 	ddc_data_regs(1),
106 	ddc_data_regs(2),
107 	ddc_data_regs(3),
108 	ddc_data_regs(4),
109 	ddc_data_regs(5),
110 	ddc_data_regs(6),
111 	ddc_vga_data_regs,
112 	ddc_i2c_data_regs
113 };
114 
115 static const struct ddc_registers ddc_clk_regs[] = {
116 	ddc_clk_regs(1),
117 	ddc_clk_regs(2),
118 	ddc_clk_regs(3),
119 	ddc_clk_regs(4),
120 	ddc_clk_regs(5),
121 	ddc_clk_regs(6),
122 	ddc_vga_clk_regs,
123 	ddc_i2c_clk_regs
124 };
125 
126 static const struct ddc_sh_mask ddc_shift = {
127 		DDC_MASK_SH_LIST(__SHIFT)
128 };
129 
130 static const struct ddc_sh_mask ddc_mask = {
131 		DDC_MASK_SH_LIST(_MASK)
132 };
133 
define_ddc_registers(struct hw_gpio_pin * pin,uint32_t en)134 static void define_ddc_registers(
135 		struct hw_gpio_pin *pin,
136 		uint32_t en)
137 {
138 	struct hw_ddc *ddc = HW_DDC_FROM_BASE(pin);
139 
140 	switch (pin->id) {
141 	case GPIO_ID_DDC_DATA:
142 		ddc->regs = &ddc_data_regs[en];
143 		ddc->base.regs = &ddc_data_regs[en].gpio;
144 		break;
145 	case GPIO_ID_DDC_CLOCK:
146 		ddc->regs = &ddc_clk_regs[en];
147 		ddc->base.regs = &ddc_clk_regs[en].gpio;
148 		break;
149 	default:
150 		ASSERT_CRITICAL(false);
151 		return;
152 	}
153 
154 	ddc->shifts = &ddc_shift;
155 	ddc->masks = &ddc_mask;
156 
157 }
158 
define_hpd_registers(struct hw_gpio_pin * pin,uint32_t en)159 static void define_hpd_registers(struct hw_gpio_pin *pin, uint32_t en)
160 {
161 	struct hw_hpd *hpd = HW_HPD_FROM_BASE(pin);
162 
163 	hpd->regs = &hpd_regs[en];
164 	hpd->shifts = &hpd_shift;
165 	hpd->masks = &hpd_mask;
166 	hpd->base.regs = &hpd_regs[en].gpio;
167 }
168 
169 
170 /* fucntion table */
171 static const struct hw_factory_funcs funcs = {
172 	.init_ddc_data = dal_hw_ddc_init,
173 	.init_generic = NULL,
174 	.init_hpd = dal_hw_hpd_init,
175 	.get_ddc_pin = dal_hw_ddc_get_pin,
176 	.get_hpd_pin = dal_hw_hpd_get_pin,
177 	.get_generic_pin = NULL,
178 	.define_hpd_registers = define_hpd_registers,
179 	.define_ddc_registers = define_ddc_registers
180 };
181 /*
182  * dal_hw_factory_dce120_init
183  *
184  * @brief
185  * Initialize HW factory function pointers and pin info
186  *
187  * @param
188  * struct hw_factory *factory - [out] struct of function pointers
189  */
dal_hw_factory_dce120_init(struct hw_factory * factory)190 void dal_hw_factory_dce120_init(struct hw_factory *factory)
191 {
192 	/*TODO check ASIC CAPs*/
193 	factory->number_of_pins[GPIO_ID_DDC_DATA] = 8;
194 	factory->number_of_pins[GPIO_ID_DDC_CLOCK] = 8;
195 	factory->number_of_pins[GPIO_ID_GENERIC] = 7;
196 	factory->number_of_pins[GPIO_ID_HPD] = 6;
197 	factory->number_of_pins[GPIO_ID_GPIO_PAD] = 31;
198 	factory->number_of_pins[GPIO_ID_VIP_PAD] = 0;
199 	factory->number_of_pins[GPIO_ID_SYNC] = 2;
200 	factory->number_of_pins[GPIO_ID_GSL] = 4;
201 
202 	factory->funcs = &funcs;
203 }
204