1 /*
2  * Copyright 2016 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 "dm_helpers.h"
28 #include "core_types.h"
29 #include "resource.h"
30 #include "dce/dce_hwseq.h"
31 #include "dce110/dce110_hw_sequencer.h"
32 #include "dcn21_hwseq.h"
33 #include "vmid.h"
34 #include "reg_helper.h"
35 #include "hw/clk_mgr.h"
36 #include "dc_dmub_srv.h"
37 #include "abm.h"
38 #include "link.h"
39 
40 #define DC_LOGGER_INIT(logger)
41 
42 #define CTX \
43 	hws->ctx
44 #define REG(reg)\
45 	hws->regs->reg
46 
47 #undef FN
48 #define FN(reg_name, field_name) \
49 	hws->shifts->field_name, hws->masks->field_name
50 
51 /* Temporary read settings, future will get values from kmd directly */
52 static void mmhub_update_page_table_config(struct dcn_hubbub_phys_addr_config *config,
53 		struct dce_hwseq *hws)
54 {
55 	uint32_t page_table_base_hi;
56 	uint32_t page_table_base_lo;
57 
58 	REG_GET(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32,
59 			PAGE_DIRECTORY_ENTRY_HI32, &page_table_base_hi);
60 	REG_GET(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32,
61 			PAGE_DIRECTORY_ENTRY_LO32, &page_table_base_lo);
62 
63 	config->gart_config.page_table_base_addr = ((uint64_t)page_table_base_hi << 32) | page_table_base_lo;
64 
65 }
66 
67 int dcn21_init_sys_ctx(struct dce_hwseq *hws, struct dc *dc, struct dc_phy_addr_space_config *pa_config)
68 {
69 	struct dcn_hubbub_phys_addr_config config;
70 
71 	config.system_aperture.fb_top = pa_config->system_aperture.fb_top;
72 	config.system_aperture.fb_offset = pa_config->system_aperture.fb_offset;
73 	config.system_aperture.fb_base = pa_config->system_aperture.fb_base;
74 	config.system_aperture.agp_top = pa_config->system_aperture.agp_top;
75 	config.system_aperture.agp_bot = pa_config->system_aperture.agp_bot;
76 	config.system_aperture.agp_base = pa_config->system_aperture.agp_base;
77 	config.gart_config.page_table_start_addr = pa_config->gart_config.page_table_start_addr;
78 	config.gart_config.page_table_end_addr = pa_config->gart_config.page_table_end_addr;
79 	config.gart_config.page_table_base_addr = pa_config->gart_config.page_table_base_addr;
80 
81 	mmhub_update_page_table_config(&config, hws);
82 
83 	return dc->res_pool->hubbub->funcs->init_dchub_sys_ctx(dc->res_pool->hubbub, &config);
84 }
85 
86 // work around for Renoir s0i3, if register is programmed, bypass golden init.
87 
88 bool dcn21_s0i3_golden_init_wa(struct dc *dc)
89 {
90 	struct dce_hwseq *hws = dc->hwseq;
91 	uint32_t value = 0;
92 
93 	value = REG_READ(MICROSECOND_TIME_BASE_DIV);
94 
95 	return value != 0x00120464;
96 }
97 
98 void dcn21_exit_optimized_pwr_state(
99 		const struct dc *dc,
100 		struct dc_state *context)
101 {
102 	dc->clk_mgr->funcs->update_clocks(
103 			dc->clk_mgr,
104 			context,
105 			false);
106 }
107 
108 void dcn21_optimize_pwr_state(
109 		const struct dc *dc,
110 		struct dc_state *context)
111 {
112 	dc->clk_mgr->funcs->update_clocks(
113 			dc->clk_mgr,
114 			context,
115 			true);
116 }
117 
118 /* If user hotplug a HDMI monitor while in monitor off,
119  * OS will do a mode set (with output timing) but keep output off.
120  * In this case DAL will ask vbios to power up the pll in the PHY.
121  * If user unplug the monitor (while we are on monitor off) or
122  * system attempt to enter modern standby (which we will disable PLL),
123  * PHY will hang on the next mode set attempt.
124  * if enable PLL follow by disable PLL (without executing lane enable/disable),
125  * RDPCS_PHY_DP_MPLLB_STATE remains 1,
126  * which indicate that PLL disable attempt actually didn't go through.
127  * As a workaround, insert PHY lane enable/disable before PLL disable.
128  */
129 void dcn21_PLAT_58856_wa(struct dc_state *context, struct pipe_ctx *pipe_ctx)
130 {
131 	if (!pipe_ctx->stream->dpms_off)
132 		return;
133 
134 	pipe_ctx->stream->dpms_off = false;
135 	pipe_ctx->stream->ctx->dc->link_srv->set_dpms_on(context, pipe_ctx);
136 	pipe_ctx->stream->ctx->dc->link_srv->set_dpms_off(pipe_ctx);
137 	pipe_ctx->stream->dpms_off = true;
138 }
139 
140 static bool dmub_abm_set_pipe(struct abm *abm, uint32_t otg_inst, uint32_t option, uint32_t panel_inst)
141 {
142 	union dmub_rb_cmd cmd;
143 	struct dc_context *dc = abm->ctx;
144 	uint32_t ramping_boundary = 0xFFFF;
145 
146 	memset(&cmd, 0, sizeof(cmd));
147 	cmd.abm_set_pipe.header.type = DMUB_CMD__ABM;
148 	cmd.abm_set_pipe.header.sub_type = DMUB_CMD__ABM_SET_PIPE;
149 	cmd.abm_set_pipe.abm_set_pipe_data.otg_inst = otg_inst;
150 	cmd.abm_set_pipe.abm_set_pipe_data.set_pipe_option = option;
151 	cmd.abm_set_pipe.abm_set_pipe_data.panel_inst = panel_inst;
152 	cmd.abm_set_pipe.abm_set_pipe_data.ramping_boundary = ramping_boundary;
153 	cmd.abm_set_pipe.header.payload_bytes = sizeof(struct dmub_cmd_abm_set_pipe_data);
154 
155 	dc_dmub_srv_cmd_queue(dc->dmub_srv, &cmd);
156 	dc_dmub_srv_cmd_execute(dc->dmub_srv);
157 	dc_dmub_srv_wait_idle(dc->dmub_srv);
158 
159 	return true;
160 }
161 
162 void dcn21_set_abm_immediate_disable(struct pipe_ctx *pipe_ctx)
163 {
164 	struct abm *abm = pipe_ctx->stream_res.abm;
165 	uint32_t otg_inst = pipe_ctx->stream_res.tg->inst;
166 	struct panel_cntl *panel_cntl = pipe_ctx->stream->link->panel_cntl;
167 
168 	struct dmcu *dmcu = pipe_ctx->stream->ctx->dc->res_pool->dmcu;
169 
170 	if (dmcu) {
171 		dce110_set_abm_immediate_disable(pipe_ctx);
172 		return;
173 	}
174 
175 	if (abm && panel_cntl) {
176 		dmub_abm_set_pipe(abm, otg_inst, SET_ABM_PIPE_IMMEDIATELY_DISABLE,
177 				panel_cntl->inst);
178 		panel_cntl->funcs->store_backlight_level(panel_cntl);
179 	}
180 }
181 
182 void dcn21_set_pipe(struct pipe_ctx *pipe_ctx)
183 {
184 	struct abm *abm = pipe_ctx->stream_res.abm;
185 	uint32_t otg_inst = pipe_ctx->stream_res.tg->inst;
186 	struct panel_cntl *panel_cntl = pipe_ctx->stream->link->panel_cntl;
187 	struct dmcu *dmcu = pipe_ctx->stream->ctx->dc->res_pool->dmcu;
188 
189 	if (dmcu) {
190 		dce110_set_pipe(pipe_ctx);
191 		return;
192 	}
193 
194 	if (abm && panel_cntl)
195 		dmub_abm_set_pipe(abm, otg_inst, SET_ABM_PIPE_NORMAL, panel_cntl->inst);
196 }
197 
198 bool dcn21_set_backlight_level(struct pipe_ctx *pipe_ctx,
199 		uint32_t backlight_pwm_u16_16,
200 		uint32_t frame_ramp)
201 {
202 	union dmub_rb_cmd cmd;
203 	struct dc_context *dc = pipe_ctx->stream->ctx;
204 	struct abm *abm = pipe_ctx->stream_res.abm;
205 	uint32_t otg_inst = pipe_ctx->stream_res.tg->inst;
206 	struct panel_cntl *panel_cntl = pipe_ctx->stream->link->panel_cntl;
207 
208 	if (dc->dc->res_pool->dmcu) {
209 		dce110_set_backlight_level(pipe_ctx, backlight_pwm_u16_16, frame_ramp);
210 		return true;
211 	}
212 
213 	if (abm && panel_cntl)
214 		dmub_abm_set_pipe(abm, otg_inst, SET_ABM_PIPE_NORMAL, panel_cntl->inst);
215 
216 	memset(&cmd, 0, sizeof(cmd));
217 	cmd.abm_set_backlight.header.type = DMUB_CMD__ABM;
218 	cmd.abm_set_backlight.header.sub_type = DMUB_CMD__ABM_SET_BACKLIGHT;
219 	cmd.abm_set_backlight.abm_set_backlight_data.frame_ramp = frame_ramp;
220 	cmd.abm_set_backlight.abm_set_backlight_data.backlight_user_level = backlight_pwm_u16_16;
221 	cmd.abm_set_backlight.abm_set_backlight_data.version = DMUB_CMD_ABM_CONTROL_VERSION_1;
222 	cmd.abm_set_backlight.abm_set_backlight_data.panel_mask = (0x01 << panel_cntl->inst);
223 	cmd.abm_set_backlight.header.payload_bytes = sizeof(struct dmub_cmd_abm_set_backlight_data);
224 
225 	dc_dmub_srv_cmd_queue(dc->dmub_srv, &cmd);
226 	dc_dmub_srv_cmd_execute(dc->dmub_srv);
227 	dc_dmub_srv_wait_idle(dc->dmub_srv);
228 
229 	return true;
230 }
231 
232 bool dcn21_is_abm_supported(struct dc *dc,
233 		struct dc_state *context, struct dc_stream_state *stream)
234 {
235 	int i;
236 
237 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
238 		struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
239 
240 		if (pipe_ctx->stream == stream &&
241 				(pipe_ctx->prev_odm_pipe == NULL && pipe_ctx->next_odm_pipe == NULL))
242 			return true;
243 	}
244 	return false;
245 }
246 
247