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
28#include "include/gpio_types.h"
29#include "../hw_factory.h"
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_dce110.h"
37
38#include "dce/dce_11_0_d.h"
39#include "dce/dce_11_0_sh_mask.h"
40
41/* set field name */
42#define SF_HPD(reg_name, field_name, post_fix)\
43 .field_name = reg_name ## __ ## field_name ## post_fix
44
45#define REG(reg_name)\
46 mm ## reg_name
47
48#define REGI(reg_name, block, id)\
49 mm ## block ## id ## _ ## reg_name
50
51#include "reg_helper.h"
52#include "../hpd_regs.h"
53
54#define hpd_regs(id) \
55{\
56 HPD_REG_LIST(id)\
57}
58
59static const struct hpd_registers hpd_regs[] = {
60 hpd_regs(0),
61 hpd_regs(1),
62 hpd_regs(2),
63 hpd_regs(3),
64 hpd_regs(4),
65 hpd_regs(5)
66};
67
68static const struct hpd_sh_mask hpd_shift = {
69 HPD_MASK_SH_LIST(__SHIFT)
70};
71
72static const struct hpd_sh_mask hpd_mask = {
73 HPD_MASK_SH_LIST(_MASK)
74};
75
76#include "../ddc_regs.h"
77
78 /* set field name */
79#define SF_DDC(reg_name, field_name, post_fix)\
80 .field_name = reg_name ## __ ## field_name ## post_fix
81
82static const struct ddc_registers ddc_data_regs[] = {
83 ddc_data_regs(1),
84 ddc_data_regs(2),
85 ddc_data_regs(3),
86 ddc_data_regs(4),
87 ddc_data_regs(5),
88 ddc_data_regs(6),
89 ddc_vga_data_regs,
90 ddc_i2c_data_regs
91};
92
93static const struct ddc_registers ddc_clk_regs[] = {
94 ddc_clk_regs(1),
95 ddc_clk_regs(2),
96 ddc_clk_regs(3),
97 ddc_clk_regs(4),
98 ddc_clk_regs(5),
99 ddc_clk_regs(6),
100 ddc_vga_clk_regs,
101 ddc_i2c_clk_regs
102};
103
104static const struct ddc_sh_mask ddc_shift = {
105 DDC_MASK_SH_LIST(__SHIFT)
106};
107
108static const struct ddc_sh_mask ddc_mask = {
109 DDC_MASK_SH_LIST(_MASK)
110};
111
112static void define_ddc_registers(
113 struct hw_gpio_pin *pin,
114 uint32_t en)
115{
116 struct hw_ddc *ddc = HW_DDC_FROM_BASE(pin);
117
118 switch (pin->id) {
119 case GPIO_ID_DDC_DATA:
120 ddc->regs = &ddc_data_regs[en];
121 ddc->base.regs = &ddc_data_regs[en].gpio;
122 break;
123 case GPIO_ID_DDC_CLOCK:
124 ddc->regs = &ddc_clk_regs[en];
125 ddc->base.regs = &ddc_clk_regs[en].gpio;
126 break;
127 default:
128 ASSERT_CRITICAL(false);
129 return;
130 }
131
132 ddc->shifts = &ddc_shift;
133 ddc->masks = &ddc_mask;
134
135}
136
137static void define_hpd_registers(struct hw_gpio_pin *pin, uint32_t en)
138{
139 struct hw_hpd *hpd = HW_HPD_FROM_BASE(pin);
140
141 hpd->regs = &hpd_regs[en];
142 hpd->shifts = &hpd_shift;
143 hpd->masks = &hpd_mask;
144 hpd->base.regs = &hpd_regs[en].gpio;
145}
146
147static const struct hw_factory_funcs funcs = {
148 .init_ddc_data = dal_hw_ddc_init,
149 .init_generic = NULL,
150 .init_hpd = dal_hw_hpd_init,
151 .get_ddc_pin = dal_hw_ddc_get_pin,
152 .get_hpd_pin = dal_hw_hpd_get_pin,
153 .get_generic_pin = NULL,
154 .define_hpd_registers = define_hpd_registers,
155 .define_ddc_registers = define_ddc_registers
156};
157
158/*
159 * dal_hw_factory_dce110_init
160 *
161 * @brief
162 * Initialize HW factory function pointers and pin info
163 *
164 * @param
165 * struct hw_factory *factory - [out] struct of function pointers
166 */
167void dal_hw_factory_dce110_init(struct hw_factory *factory)
168{
169 /*TODO check ASIC CAPs*/
170 factory->number_of_pins[GPIO_ID_DDC_DATA] = 8;
171 factory->number_of_pins[GPIO_ID_DDC_CLOCK] = 8;
172 factory->number_of_pins[GPIO_ID_GENERIC] = 7;
173 factory->number_of_pins[GPIO_ID_HPD] = 6;
174 factory->number_of_pins[GPIO_ID_GPIO_PAD] = 31;
175 factory->number_of_pins[GPIO_ID_VIP_PAD] = 0;
176 factory->number_of_pins[GPIO_ID_SYNC] = 2;
177 factory->number_of_pins[GPIO_ID_GSL] = 4;
178
179 factory->funcs = &funcs;
180}
181

source code of linux/drivers/gpu/drm/amd/display/dc/gpio/dce110/hw_factory_dce110.c