1/*
2 * Copyright 2013-15 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#include "dm_services.h"
27#include "include/gpio_types.h"
28#include "../hw_factory.h"
29
30
31#include "../hw_gpio.h"
32#include "../hw_ddc.h"
33#include "../hw_hpd.h"
34#include "../hw_generic.h"
35
36#include "hw_factory_dcn10.h"
37
38#include "dcn/dcn_1_0_offset.h"
39#include "dcn/dcn_1_0_sh_mask.h"
40#include "soc15_hw_ip.h"
41#include "vega10_ip_offset.h"
42
43#define block HPD
44#define reg_num 0
45
46/* set field name */
47#define SF_HPD(reg_name, field_name, post_fix)\
48 .field_name = HPD0_ ## reg_name ## __ ## field_name ## post_fix
49
50#define BASE_INNER(seg) \
51 DCE_BASE__INST0_SEG ## seg
52
53/* compile time expand base address. */
54#define BASE(seg) \
55 BASE_INNER(seg)
56
57#define REG(reg_name)\
58 BASE(mm ## reg_name ## _BASE_IDX) + mm ## reg_name
59
60#define REGI(reg_name, block, id)\
61 BASE(mm ## block ## id ## _ ## reg_name ## _BASE_IDX) + \
62 mm ## block ## id ## _ ## reg_name
63
64#include "reg_helper.h"
65#include "../hpd_regs.h"
66
67#define hpd_regs(id) \
68{\
69 HPD_REG_LIST(id)\
70}
71
72static const struct hpd_registers hpd_regs[] = {
73 hpd_regs(0),
74 hpd_regs(1),
75 hpd_regs(2),
76 hpd_regs(3),
77 hpd_regs(4),
78 hpd_regs(5)
79};
80
81static const struct hpd_sh_mask hpd_shift = {
82 HPD_MASK_SH_LIST(__SHIFT)
83};
84
85static const struct hpd_sh_mask hpd_mask = {
86 HPD_MASK_SH_LIST(_MASK)
87};
88
89#include "../ddc_regs.h"
90
91 /* set field name */
92#define SF_DDC(reg_name, field_name, post_fix)\
93 .field_name = reg_name ## __ ## field_name ## post_fix
94
95static const struct ddc_registers ddc_data_regs[] = {
96 ddc_data_regs(1),
97 ddc_data_regs(2),
98 ddc_data_regs(3),
99 ddc_data_regs(4),
100 ddc_data_regs(5),
101 ddc_data_regs(6),
102 ddc_vga_data_regs,
103 ddc_i2c_data_regs
104};
105
106static const struct ddc_registers ddc_clk_regs[] = {
107 ddc_clk_regs(1),
108 ddc_clk_regs(2),
109 ddc_clk_regs(3),
110 ddc_clk_regs(4),
111 ddc_clk_regs(5),
112 ddc_clk_regs(6),
113 ddc_vga_clk_regs,
114 ddc_i2c_clk_regs
115};
116
117static const struct ddc_sh_mask ddc_shift = {
118 DDC_MASK_SH_LIST(__SHIFT)
119};
120
121static const struct ddc_sh_mask ddc_mask = {
122 DDC_MASK_SH_LIST(_MASK)
123};
124
125#include "../generic_regs.h"
126
127/* set field name */
128#define SF_GENERIC(reg_name, field_name, post_fix)\
129 .field_name = reg_name ## __ ## field_name ## post_fix
130
131#define generic_regs(id) \
132{\
133 GENERIC_REG_LIST(id)\
134}
135
136static const struct generic_registers generic_regs[] = {
137 generic_regs(A),
138 generic_regs(B),
139};
140
141static const struct generic_sh_mask generic_shift[] = {
142 GENERIC_MASK_SH_LIST(__SHIFT, A),
143 GENERIC_MASK_SH_LIST(__SHIFT, B),
144};
145
146static const struct generic_sh_mask generic_mask[] = {
147 GENERIC_MASK_SH_LIST(_MASK, A),
148 GENERIC_MASK_SH_LIST(_MASK, B),
149};
150
151static void define_generic_registers(struct hw_gpio_pin *pin, uint32_t en)
152{
153 struct hw_generic *generic = HW_GENERIC_FROM_BASE(pin);
154
155 generic->regs = &generic_regs[en];
156 generic->shifts = &generic_shift[en];
157 generic->masks = &generic_mask[en];
158 generic->base.regs = &generic_regs[en].gpio;
159}
160
161static void define_ddc_registers(
162 struct hw_gpio_pin *pin,
163 uint32_t en)
164{
165 struct hw_ddc *ddc = HW_DDC_FROM_BASE(pin);
166
167 switch (pin->id) {
168 case GPIO_ID_DDC_DATA:
169 ddc->regs = &ddc_data_regs[en];
170 ddc->base.regs = &ddc_data_regs[en].gpio;
171 break;
172 case GPIO_ID_DDC_CLOCK:
173 ddc->regs = &ddc_clk_regs[en];
174 ddc->base.regs = &ddc_clk_regs[en].gpio;
175 break;
176 default:
177 ASSERT_CRITICAL(false);
178 return;
179 }
180
181 ddc->shifts = &ddc_shift;
182 ddc->masks = &ddc_mask;
183
184}
185
186static void define_hpd_registers(struct hw_gpio_pin *pin, uint32_t en)
187{
188 struct hw_hpd *hpd = HW_HPD_FROM_BASE(pin);
189
190 hpd->regs = &hpd_regs[en];
191 hpd->shifts = &hpd_shift;
192 hpd->masks = &hpd_mask;
193 hpd->base.regs = &hpd_regs[en].gpio;
194}
195
196
197/* function table */
198static const struct hw_factory_funcs funcs = {
199 .init_ddc_data = dal_hw_ddc_init,
200 .init_generic = dal_hw_generic_init,
201 .init_hpd = dal_hw_hpd_init,
202 .get_ddc_pin = dal_hw_ddc_get_pin,
203 .get_hpd_pin = dal_hw_hpd_get_pin,
204 .get_generic_pin = dal_hw_generic_get_pin,
205 .define_hpd_registers = define_hpd_registers,
206 .define_ddc_registers = define_ddc_registers,
207 .define_generic_registers = define_generic_registers
208};
209/*
210 * dal_hw_factory_dcn10_init
211 *
212 * @brief
213 * Initialize HW factory function pointers and pin info
214 *
215 * @param
216 * struct hw_factory *factory - [out] struct of function pointers
217 */
218void dal_hw_factory_dcn10_init(struct hw_factory *factory)
219{
220 /*TODO check ASIC CAPs*/
221 factory->number_of_pins[GPIO_ID_DDC_DATA] = 8;
222 factory->number_of_pins[GPIO_ID_DDC_CLOCK] = 8;
223 factory->number_of_pins[GPIO_ID_GENERIC] = 7;
224 factory->number_of_pins[GPIO_ID_HPD] = 6;
225 factory->number_of_pins[GPIO_ID_GPIO_PAD] = 31;
226 factory->number_of_pins[GPIO_ID_VIP_PAD] = 0;
227 factory->number_of_pins[GPIO_ID_SYNC] = 2;
228 factory->number_of_pins[GPIO_ID_GSL] = 4;
229
230 factory->funcs = &funcs;
231}
232

source code of linux/drivers/gpu/drm/amd/display/dc/gpio/dcn10/hw_factory_dcn10.c