1/*	$NetBSD: amdgpu_dcn21_hwseq.c,v 1.2 2021/12/18 23:45:03 riastradh Exp $	*/
2
3/*
4 * Copyright 2016 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_dcn21_hwseq.c,v 1.2 2021/12/18 23:45:03 riastradh Exp $");
30
31#include "dm_services.h"
32#include "dm_helpers.h"
33#include "core_types.h"
34#include "resource.h"
35#include "dce/dce_hwseq.h"
36#include "dcn21_hwseq.h"
37#include "vmid.h"
38#include "reg_helper.h"
39#include "hw/clk_mgr.h"
40
41
42#define DC_LOGGER_INIT(logger)
43
44#define CTX \
45	hws->ctx
46#define REG(reg)\
47	hws->regs->reg
48
49#undef FN
50#define FN(reg_name, field_name) \
51	hws->shifts->field_name, hws->masks->field_name
52
53/* Temporary read settings, future will get values from kmd directly */
54static void mmhub_update_page_table_config(struct dcn_hubbub_phys_addr_config *config,
55		struct dce_hwseq *hws)
56{
57	uint32_t page_table_base_hi;
58	uint32_t page_table_base_lo;
59
60	REG_GET(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32,
61			PAGE_DIRECTORY_ENTRY_HI32, &page_table_base_hi);
62	REG_GET(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32,
63			PAGE_DIRECTORY_ENTRY_LO32, &page_table_base_lo);
64
65	config->gart_config.page_table_base_addr = ((uint64_t)page_table_base_hi << 32) | page_table_base_lo;
66
67}
68
69int dcn21_init_sys_ctx(struct dce_hwseq *hws, struct dc *dc, struct dc_phy_addr_space_config *pa_config)
70{
71	struct dcn_hubbub_phys_addr_config config;
72
73	config.system_aperture.fb_top = pa_config->system_aperture.fb_top;
74	config.system_aperture.fb_offset = pa_config->system_aperture.fb_offset;
75	config.system_aperture.fb_base = pa_config->system_aperture.fb_base;
76	config.system_aperture.agp_top = pa_config->system_aperture.agp_top;
77	config.system_aperture.agp_bot = pa_config->system_aperture.agp_bot;
78	config.system_aperture.agp_base = pa_config->system_aperture.agp_base;
79	config.gart_config.page_table_start_addr = pa_config->gart_config.page_table_start_addr;
80	config.gart_config.page_table_end_addr = pa_config->gart_config.page_table_end_addr;
81	config.gart_config.page_table_base_addr = pa_config->gart_config.page_table_base_addr;
82
83	mmhub_update_page_table_config(&config, hws);
84
85	return dc->res_pool->hubbub->funcs->init_dchub_sys_ctx(dc->res_pool->hubbub, &config);
86}
87
88// work around for Renoir s0i3, if register is programmed, bypass golden init.
89
90bool dcn21_s0i3_golden_init_wa(struct dc *dc)
91{
92	struct dce_hwseq *hws = dc->hwseq;
93	uint32_t value = 0;
94
95	value = REG_READ(MICROSECOND_TIME_BASE_DIV);
96
97	return value != 0x00120464;
98}
99
100void dcn21_exit_optimized_pwr_state(
101		const struct dc *dc,
102		struct dc_state *context)
103{
104	dc->clk_mgr->funcs->update_clocks(
105			dc->clk_mgr,
106			context,
107			false);
108}
109
110void dcn21_optimize_pwr_state(
111		const struct dc *dc,
112		struct dc_state *context)
113{
114	dc->clk_mgr->funcs->update_clocks(
115			dc->clk_mgr,
116			context,
117			true);
118}
119
120