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#include "dm_services.h"
26#include "include/gpio_types.h"
27#include "../hw_factory.h"
28
29
30#include "../hw_gpio.h"
31#include "../hw_ddc.h"
32#include "../hw_hpd.h"
33#include "../hw_generic.h"
34
35#include "hw_factory_dcn21.h"
36
37#include "dcn/dcn_2_1_0_offset.h"
38#include "dcn/dcn_2_1_0_sh_mask.h"
39#include "renoir_ip_offset.h"
40
41#include "reg_helper.h"
42#include "../hpd_regs.h"
43/* begin *********************
44 * macros to expend register list macro defined in HW object header file */
45
46/* DCN */
47#define block HPD
48#define reg_num 0
49
50#undef BASE_INNER
51#define BASE_INNER(seg) DMU_BASE__INST0_SEG ## seg
52
53#define BASE(seg) BASE_INNER(seg)
54
55
56
57#define REG(reg_name)\
58 BASE(mm ## reg_name ## _BASE_IDX) + mm ## reg_name
59
60#define SF_HPD(reg_name, field_name, post_fix)\
61 .field_name = HPD0_ ## reg_name ## __ ## field_name ## post_fix
62
63#define REGI(reg_name, block, id)\
64 BASE(mm ## block ## id ## _ ## reg_name ## _BASE_IDX) + \
65 mm ## block ## id ## _ ## reg_name
66
67#define SF(reg_name, field_name, post_fix)\
68 .field_name = reg_name ## __ ## field_name ## post_fix
69
70/* macros to expend register list macro defined in HW object header file
71 * end *********************/
72
73
74
75#define hpd_regs(id) \
76{\
77 HPD_REG_LIST(id)\
78}
79
80static const struct hpd_registers hpd_regs[] = {
81 hpd_regs(0),
82 hpd_regs(1),
83 hpd_regs(2),
84 hpd_regs(3),
85 hpd_regs(4),
86};
87
88static const struct hpd_sh_mask hpd_shift = {
89 HPD_MASK_SH_LIST(__SHIFT)
90};
91
92static const struct hpd_sh_mask hpd_mask = {
93 HPD_MASK_SH_LIST(_MASK)
94};
95
96#include "../ddc_regs.h"
97
98 /* set field name */
99#define SF_DDC(reg_name, field_name, post_fix)\
100 .field_name = reg_name ## __ ## field_name ## post_fix
101
102static const struct ddc_registers ddc_data_regs_dcn[] = {
103 ddc_data_regs_dcn2(1),
104 ddc_data_regs_dcn2(2),
105 ddc_data_regs_dcn2(3),
106 ddc_data_regs_dcn2(4),
107 ddc_data_regs_dcn2(5),
108};
109
110static const struct ddc_registers ddc_clk_regs_dcn[] = {
111 ddc_clk_regs_dcn2(1),
112 ddc_clk_regs_dcn2(2),
113 ddc_clk_regs_dcn2(3),
114 ddc_clk_regs_dcn2(4),
115 ddc_clk_regs_dcn2(5),
116};
117
118static const struct ddc_sh_mask ddc_shift[] = {
119 DDC_MASK_SH_LIST_DCN2(__SHIFT, 1),
120 DDC_MASK_SH_LIST_DCN2(__SHIFT, 2),
121 DDC_MASK_SH_LIST_DCN2(__SHIFT, 3),
122 DDC_MASK_SH_LIST_DCN2(__SHIFT, 4),
123 DDC_MASK_SH_LIST_DCN2(__SHIFT, 5),
124 DDC_MASK_SH_LIST_DCN2(__SHIFT, 6)
125};
126
127static const struct ddc_sh_mask ddc_mask[] = {
128 DDC_MASK_SH_LIST_DCN2(_MASK, 1),
129 DDC_MASK_SH_LIST_DCN2(_MASK, 2),
130 DDC_MASK_SH_LIST_DCN2(_MASK, 3),
131 DDC_MASK_SH_LIST_DCN2(_MASK, 4),
132 DDC_MASK_SH_LIST_DCN2(_MASK, 5),
133 DDC_MASK_SH_LIST_DCN2(_MASK, 6)
134};
135
136#include "../generic_regs.h"
137
138/* set field name */
139#define SF_GENERIC(reg_name, field_name, post_fix)\
140 .field_name = reg_name ## __ ## field_name ## post_fix
141
142#define generic_regs(id) \
143{\
144 GENERIC_REG_LIST(id)\
145}
146
147static const struct generic_registers generic_regs[] = {
148 generic_regs(A),
149};
150
151static const struct generic_sh_mask generic_shift[] = {
152 GENERIC_MASK_SH_LIST(__SHIFT, A),
153};
154
155static const struct generic_sh_mask generic_mask[] = {
156 GENERIC_MASK_SH_LIST(_MASK, A),
157};
158
159static void define_generic_registers(struct hw_gpio_pin *pin, uint32_t en)
160{
161 struct hw_generic *generic = HW_GENERIC_FROM_BASE(pin);
162
163 generic->regs = &generic_regs[en];
164 generic->shifts = &generic_shift[en];
165 generic->masks = &generic_mask[en];
166 generic->base.regs = &generic_regs[en].gpio;
167}
168
169static void define_ddc_registers(
170 struct hw_gpio_pin *pin,
171 uint32_t en)
172{
173 struct hw_ddc *ddc = HW_DDC_FROM_BASE(pin);
174
175 switch (pin->id) {
176 case GPIO_ID_DDC_DATA:
177 ddc->regs = &ddc_data_regs_dcn[en];
178 ddc->base.regs = &ddc_data_regs_dcn[en].gpio;
179 break;
180 case GPIO_ID_DDC_CLOCK:
181 ddc->regs = &ddc_clk_regs_dcn[en];
182 ddc->base.regs = &ddc_clk_regs_dcn[en].gpio;
183 break;
184 default:
185 ASSERT_CRITICAL(false);
186 return;
187 }
188
189 ddc->shifts = &ddc_shift[en];
190 ddc->masks = &ddc_mask[en];
191
192}
193
194static void define_hpd_registers(struct hw_gpio_pin *pin, uint32_t en)
195{
196 struct hw_hpd *hpd = HW_HPD_FROM_BASE(pin);
197
198 hpd->regs = &hpd_regs[en];
199 hpd->shifts = &hpd_shift;
200 hpd->masks = &hpd_mask;
201 hpd->base.regs = &hpd_regs[en].gpio;
202}
203
204
205/* function table */
206static const struct hw_factory_funcs funcs = {
207 .init_ddc_data = dal_hw_ddc_init,
208 .init_generic = dal_hw_generic_init,
209 .init_hpd = dal_hw_hpd_init,
210 .get_ddc_pin = dal_hw_ddc_get_pin,
211 .get_hpd_pin = dal_hw_hpd_get_pin,
212 .get_generic_pin = dal_hw_generic_get_pin,
213 .define_hpd_registers = define_hpd_registers,
214 .define_ddc_registers = define_ddc_registers,
215 .define_generic_registers = define_generic_registers
216};
217/*
218 * dal_hw_factory_dcn10_init
219 *
220 * @brief
221 * Initialize HW factory function pointers and pin info
222 *
223 * @param
224 * struct hw_factory *factory - [out] struct of function pointers
225 */
226void dal_hw_factory_dcn21_init(struct hw_factory *factory)
227{
228 /*TODO check ASIC CAPs*/
229 factory->number_of_pins[GPIO_ID_DDC_DATA] = 8;
230 factory->number_of_pins[GPIO_ID_DDC_CLOCK] = 8;
231 factory->number_of_pins[GPIO_ID_GENERIC] = 4;
232 factory->number_of_pins[GPIO_ID_HPD] = 6;
233 factory->number_of_pins[GPIO_ID_GPIO_PAD] = 28;
234 factory->number_of_pins[GPIO_ID_VIP_PAD] = 0;
235 factory->number_of_pins[GPIO_ID_SYNC] = 0;
236 factory->number_of_pins[GPIO_ID_GSL] = 0;/*add this*/
237
238 factory->funcs = &funcs;
239}
240
241

source code of linux/drivers/gpu/drm/amd/display/dc/gpio/dcn21/hw_factory_dcn21.c