1/*
2 * Copyright 2020 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_dcn30.h"
36
37
38#include "sienna_cichlid_ip_offset.h"
39#include "dcn/dcn_3_0_0_offset.h"
40#include "dcn/dcn_3_0_0_sh_mask.h"
41
42#include "nbio/nbio_7_4_offset.h"
43
44#include "dpcs/dpcs_3_0_0_offset.h"
45#include "dpcs/dpcs_3_0_0_sh_mask.h"
46
47#include "mmhub/mmhub_2_0_0_offset.h"
48#include "mmhub/mmhub_2_0_0_sh_mask.h"
49
50#include "reg_helper.h"
51#include "../hpd_regs.h"
52/* begin *********************
53 * macros to expend register list macro defined in HW object header file */
54
55/* DCN */
56#define block HPD
57#define reg_num 0
58
59#undef BASE_INNER
60#define BASE_INNER(seg) DCN_BASE__INST0_SEG ## seg
61
62#define BASE(seg) BASE_INNER(seg)
63
64
65
66#define REG(reg_name)\
67 BASE(mm ## reg_name ## _BASE_IDX) + mm ## reg_name
68
69#define SF_HPD(reg_name, field_name, post_fix)\
70 .field_name = HPD0_ ## reg_name ## __ ## field_name ## post_fix
71
72#define REGI(reg_name, block, id)\
73 BASE(mm ## block ## id ## _ ## reg_name ## _BASE_IDX) + \
74 mm ## block ## id ## _ ## reg_name
75
76#define SF(reg_name, field_name, post_fix)\
77 .field_name = reg_name ## __ ## field_name ## post_fix
78
79/* macros to expend register list macro defined in HW object header file
80 * end *********************/
81
82
83
84#define hpd_regs(id) \
85{\
86 HPD_REG_LIST(id)\
87}
88
89static const struct hpd_registers hpd_regs[] = {
90 hpd_regs(0),
91 hpd_regs(1),
92 hpd_regs(2),
93 hpd_regs(3),
94 hpd_regs(4),
95 hpd_regs(5),
96};
97
98static const struct hpd_sh_mask hpd_shift = {
99 HPD_MASK_SH_LIST(__SHIFT)
100};
101
102static const struct hpd_sh_mask hpd_mask = {
103 HPD_MASK_SH_LIST(_MASK)
104};
105
106#include "../ddc_regs.h"
107
108 /* set field name */
109#define SF_DDC(reg_name, field_name, post_fix)\
110 .field_name = reg_name ## __ ## field_name ## post_fix
111
112static const struct ddc_registers ddc_data_regs_dcn[] = {
113 ddc_data_regs_dcn2(1),
114 ddc_data_regs_dcn2(2),
115 ddc_data_regs_dcn2(3),
116 ddc_data_regs_dcn2(4),
117 ddc_data_regs_dcn2(5),
118 ddc_data_regs_dcn2(6),
119 {
120 DDC_GPIO_VGA_REG_LIST(DATA),
121 .ddc_setup = 0,
122 .phy_aux_cntl = 0,
123 .dc_gpio_aux_ctrl_5 = 0
124 }
125};
126
127static const struct ddc_registers ddc_clk_regs_dcn[] = {
128 ddc_clk_regs_dcn2(1),
129 ddc_clk_regs_dcn2(2),
130 ddc_clk_regs_dcn2(3),
131 ddc_clk_regs_dcn2(4),
132 ddc_clk_regs_dcn2(5),
133 ddc_clk_regs_dcn2(6),
134 {
135 DDC_GPIO_VGA_REG_LIST(CLK),
136 .ddc_setup = 0,
137 .phy_aux_cntl = 0,
138 .dc_gpio_aux_ctrl_5 = 0
139 }
140};
141
142static const struct ddc_sh_mask ddc_shift[] = {
143 DDC_MASK_SH_LIST_DCN2(__SHIFT, 1),
144 DDC_MASK_SH_LIST_DCN2(__SHIFT, 2),
145 DDC_MASK_SH_LIST_DCN2(__SHIFT, 3),
146 DDC_MASK_SH_LIST_DCN2(__SHIFT, 4),
147 DDC_MASK_SH_LIST_DCN2(__SHIFT, 5),
148 DDC_MASK_SH_LIST_DCN2(__SHIFT, 6),
149 DDC_MASK_SH_LIST_DCN2_VGA(__SHIFT)
150};
151
152static const struct ddc_sh_mask ddc_mask[] = {
153 DDC_MASK_SH_LIST_DCN2(_MASK, 1),
154 DDC_MASK_SH_LIST_DCN2(_MASK, 2),
155 DDC_MASK_SH_LIST_DCN2(_MASK, 3),
156 DDC_MASK_SH_LIST_DCN2(_MASK, 4),
157 DDC_MASK_SH_LIST_DCN2(_MASK, 5),
158 DDC_MASK_SH_LIST_DCN2(_MASK, 6),
159 DDC_MASK_SH_LIST_DCN2_VGA(_MASK)
160};
161
162#include "../generic_regs.h"
163
164/* set field name */
165#define SF_GENERIC(reg_name, field_name, post_fix)\
166 .field_name = reg_name ## __ ## field_name ## post_fix
167
168#define generic_regs(id) \
169{\
170 GENERIC_REG_LIST(id)\
171}
172
173static const struct generic_registers generic_regs[] = {
174 generic_regs(A),
175 generic_regs(B),
176};
177
178static const struct generic_sh_mask generic_shift[] = {
179 GENERIC_MASK_SH_LIST(__SHIFT, A),
180 GENERIC_MASK_SH_LIST(__SHIFT, B),
181};
182
183static const struct generic_sh_mask generic_mask[] = {
184 GENERIC_MASK_SH_LIST(_MASK, A),
185 GENERIC_MASK_SH_LIST(_MASK, B),
186};
187
188static void define_generic_registers(struct hw_gpio_pin *pin, uint32_t en)
189{
190 struct hw_generic *generic = HW_GENERIC_FROM_BASE(pin);
191
192 generic->regs = &generic_regs[en];
193 generic->shifts = &generic_shift[en];
194 generic->masks = &generic_mask[en];
195 generic->base.regs = &generic_regs[en].gpio;
196}
197
198static void define_ddc_registers(
199 struct hw_gpio_pin *pin,
200 uint32_t en)
201{
202 struct hw_ddc *ddc = HW_DDC_FROM_BASE(pin);
203
204 switch (pin->id) {
205 case GPIO_ID_DDC_DATA:
206 ddc->regs = &ddc_data_regs_dcn[en];
207 ddc->base.regs = &ddc_data_regs_dcn[en].gpio;
208 break;
209 case GPIO_ID_DDC_CLOCK:
210 ddc->regs = &ddc_clk_regs_dcn[en];
211 ddc->base.regs = &ddc_clk_regs_dcn[en].gpio;
212 break;
213 default:
214 ASSERT_CRITICAL(false);
215 return;
216 }
217
218 ddc->shifts = &ddc_shift[en];
219 ddc->masks = &ddc_mask[en];
220
221}
222
223static void define_hpd_registers(struct hw_gpio_pin *pin, uint32_t en)
224{
225 struct hw_hpd *hpd = HW_HPD_FROM_BASE(pin);
226
227 hpd->regs = &hpd_regs[en];
228 hpd->shifts = &hpd_shift;
229 hpd->masks = &hpd_mask;
230 hpd->base.regs = &hpd_regs[en].gpio;
231}
232
233
234/* function table */
235static const struct hw_factory_funcs funcs = {
236 .init_ddc_data = dal_hw_ddc_init,
237 .init_generic = dal_hw_generic_init,
238 .init_hpd = dal_hw_hpd_init,
239 .get_ddc_pin = dal_hw_ddc_get_pin,
240 .get_hpd_pin = dal_hw_hpd_get_pin,
241 .get_generic_pin = dal_hw_generic_get_pin,
242 .define_hpd_registers = define_hpd_registers,
243 .define_ddc_registers = define_ddc_registers,
244 .define_generic_registers = define_generic_registers
245};
246/*
247 * dal_hw_factory_dcn10_init
248 *
249 * @brief
250 * Initialize HW factory function pointers and pin info
251 *
252 * @param
253 * struct hw_factory *factory - [out] struct of function pointers
254 */
255void dal_hw_factory_dcn30_init(struct hw_factory *factory)
256{
257 /*TODO check ASIC CAPs*/
258 factory->number_of_pins[GPIO_ID_DDC_DATA] = 8;
259 factory->number_of_pins[GPIO_ID_DDC_CLOCK] = 8;
260 factory->number_of_pins[GPIO_ID_GENERIC] = 4;
261 factory->number_of_pins[GPIO_ID_HPD] = 6;
262 factory->number_of_pins[GPIO_ID_GPIO_PAD] = 28;
263 factory->number_of_pins[GPIO_ID_VIP_PAD] = 0;
264 factory->number_of_pins[GPIO_ID_SYNC] = 0;
265 factory->number_of_pins[GPIO_ID_GSL] = 0;/*add this*/
266
267 factory->funcs = &funcs;
268}
269
270

source code of linux/drivers/gpu/drm/amd/display/dc/gpio/dcn30/hw_factory_dcn30.c