1 /*
2  * Copyright 2020 Mauro Rossi <issor.oruam@gmail.com>
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 DCE6 register header files */
29 #include "dce/dce_6_0_d.h"
30 #include "dce/dce_6_0_sh_mask.h"
31 
32 #include "dc_types.h"
33 
34 #include "include/grph_object_id.h"
35 #include "include/logger_interface.h"
36 #include "../dce110/dce110_timing_generator.h"
37 #include "dce60_timing_generator.h"
38 
39 #include "timing_generator.h"
40 
41 enum black_color_format {
42 	BLACK_COLOR_FORMAT_RGB_FULLRANGE = 0,	/* used as index in array */
43 	BLACK_COLOR_FORMAT_RGB_LIMITED,
44 	BLACK_COLOR_FORMAT_YUV_TV,
45 	BLACK_COLOR_FORMAT_YUV_CV,
46 	BLACK_COLOR_FORMAT_YUV_SUPER_AA,
47 
48 	BLACK_COLOR_FORMAT_COUNT
49 };
50 
51 static const struct dce110_timing_generator_offsets reg_offsets[] = {
52 {
53 	.crtc = (mmCRTC0_DCFE_MEM_LIGHT_SLEEP_CNTL - mmCRTC0_DCFE_MEM_LIGHT_SLEEP_CNTL),
54 	.dcp = (mmDCP0_GRPH_CONTROL - mmDCP0_GRPH_CONTROL),
55 },
56 {
57 	.crtc = (mmCRTC1_DCFE_MEM_LIGHT_SLEEP_CNTL - mmCRTC0_DCFE_MEM_LIGHT_SLEEP_CNTL),
58 	.dcp = (mmDCP1_GRPH_CONTROL - mmDCP0_GRPH_CONTROL),
59 },
60 {
61 	.crtc = (mmCRTC2_DCFE_MEM_LIGHT_SLEEP_CNTL - mmCRTC0_DCFE_MEM_LIGHT_SLEEP_CNTL),
62 	.dcp = (mmDCP2_GRPH_CONTROL - mmDCP0_GRPH_CONTROL),
63 },
64 {
65 	.crtc = (mmCRTC3_DCFE_MEM_LIGHT_SLEEP_CNTL - mmCRTC0_DCFE_MEM_LIGHT_SLEEP_CNTL),
66 	.dcp = (mmDCP3_GRPH_CONTROL - mmDCP0_GRPH_CONTROL),
67 },
68 {
69 	.crtc = (mmCRTC4_DCFE_MEM_LIGHT_SLEEP_CNTL - mmCRTC0_DCFE_MEM_LIGHT_SLEEP_CNTL),
70 	.dcp = (mmDCP4_GRPH_CONTROL - mmDCP0_GRPH_CONTROL),
71 },
72 {
73 	.crtc = (mmCRTC5_DCFE_MEM_LIGHT_SLEEP_CNTL - mmCRTC0_DCFE_MEM_LIGHT_SLEEP_CNTL),
74 	.dcp = (mmDCP5_GRPH_CONTROL - mmDCP0_GRPH_CONTROL),
75 }
76 };
77 
78 #define NUMBER_OF_FRAME_TO_WAIT_ON_TRIGGERED_RESET 10
79 
80 #define MAX_H_TOTAL (CRTC_H_TOTAL__CRTC_H_TOTAL_MASK + 1)
81 #define MAX_V_TOTAL (CRTC_V_TOTAL__CRTC_V_TOTAL_MASKhw + 1)
82 
83 #define CRTC_REG(reg) (reg + tg110->offsets.crtc)
84 #define DCP_REG(reg) (reg + tg110->offsets.dcp)
85 #define DMIF_REG(reg) (reg + tg110->offsets.dmif)
86 
program_pix_dur(struct timing_generator * tg,uint32_t pix_clk_100hz)87 static void program_pix_dur(struct timing_generator *tg, uint32_t pix_clk_100hz)
88 {
89 	uint64_t pix_dur;
90 	uint32_t addr = mmDMIF_PG0_DPG_PIPE_ARBITRATION_CONTROL1
91 					+ DCE110TG_FROM_TG(tg)->offsets.dmif;
92 	uint32_t value = dm_read_reg(tg->ctx, addr);
93 
94 	if (pix_clk_100hz == 0)
95 		return;
96 
97 	pix_dur = div_u64(10000000000ull, pix_clk_100hz);
98 
99 	set_reg_field_value(
100 		value,
101 		pix_dur,
102 		DPG_PIPE_ARBITRATION_CONTROL1,
103 		PIXEL_DURATION);
104 
105 	dm_write_reg(tg->ctx, addr, value);
106 }
107 
program_timing(struct timing_generator * tg,const struct dc_crtc_timing * timing,int vready_offset,int vstartup_start,int vupdate_offset,int vupdate_width,const enum signal_type signal,bool use_vbios)108 static void program_timing(struct timing_generator *tg,
109 	const struct dc_crtc_timing *timing,
110 	int vready_offset,
111 	int vstartup_start,
112 	int vupdate_offset,
113 	int vupdate_width,
114 	const enum signal_type signal,
115 	bool use_vbios)
116 {
117 	if (!use_vbios)
118 		program_pix_dur(tg, timing->pix_clk_100hz);
119 
120 	dce110_tg_program_timing(tg, timing, 0, 0, 0, 0, 0, use_vbios);
121 }
122 
dce60_timing_generator_enable_advanced_request(struct timing_generator * tg,bool enable,const struct dc_crtc_timing * timing)123 static void dce60_timing_generator_enable_advanced_request(
124 	struct timing_generator *tg,
125 	bool enable,
126 	const struct dc_crtc_timing *timing)
127 {
128 	struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg);
129 	uint32_t addr = CRTC_REG(mmCRTC_START_LINE_CONTROL);
130 	uint32_t value = dm_read_reg(tg->ctx, addr);
131 	/* DCE6 has CRTC_PREFETCH_EN bit in CRTC_CONTROL register */
132 	uint32_t addr2 = CRTC_REG(mmCRTC_CONTROL);
133 	uint32_t value2 = dm_read_reg(tg->ctx, addr2);
134 
135 	/* DCE6 does not support CRTC_LEGACY_REQUESTOR_EN bit
136 	   so here is not possible to set bit based on enable argument */
137 
138 	if ((timing->v_sync_width + timing->v_front_porch) <= 3) {
139 		set_reg_field_value(
140 			value,
141 			3,
142 			CRTC_START_LINE_CONTROL,
143 			CRTC_ADVANCED_START_LINE_POSITION);
144 		set_reg_field_value(
145 			value2,
146 			0,
147 			CRTC_CONTROL,
148 			CRTC_PREFETCH_EN);
149 	} else {
150 		set_reg_field_value(
151 			value,
152 			4,
153 			CRTC_START_LINE_CONTROL,
154 			CRTC_ADVANCED_START_LINE_POSITION);
155 		set_reg_field_value(
156 			value2,
157 			1,
158 			CRTC_CONTROL,
159 			CRTC_PREFETCH_EN);
160 	}
161 
162 	set_reg_field_value(
163 		value,
164 		1,
165 		CRTC_START_LINE_CONTROL,
166 		CRTC_PROGRESSIVE_START_LINE_EARLY);
167 
168 	set_reg_field_value(
169 		value,
170 		1,
171 		CRTC_START_LINE_CONTROL,
172 		CRTC_INTERLACE_START_LINE_EARLY);
173 
174 	dm_write_reg(tg->ctx, addr, value);
175 	dm_write_reg(tg->ctx, addr2, value2);
176 }
177 
dce60_is_tg_enabled(struct timing_generator * tg)178 static bool dce60_is_tg_enabled(struct timing_generator *tg)
179 {
180 	uint32_t addr = 0;
181 	uint32_t value = 0;
182 	uint32_t field = 0;
183 	struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg);
184 
185 	addr = CRTC_REG(mmCRTC_CONTROL);
186 	value = dm_read_reg(tg->ctx, addr);
187 	field = get_reg_field_value(value, CRTC_CONTROL,
188 				    CRTC_CURRENT_MASTER_EN_STATE);
189 	return field == 1;
190 }
191 
dce60_configure_crc(struct timing_generator * tg,const struct crc_params * params)192 static bool dce60_configure_crc(struct timing_generator *tg,
193 				const struct crc_params *params)
194 {
195 	/* Cannot configure crc on a CRTC that is disabled */
196 	if (!dce60_is_tg_enabled(tg))
197 		return false;
198 
199 	/* DCE6 has no CRTC_CRC_CNTL register, nothing to do */
200 
201 	return true;
202 }
203 
204 static const struct timing_generator_funcs dce60_tg_funcs = {
205 		.validate_timing = dce110_tg_validate_timing,
206 		.program_timing = program_timing,
207 		.enable_crtc = dce110_timing_generator_enable_crtc,
208 		.disable_crtc = dce110_timing_generator_disable_crtc,
209 		.is_counter_moving = dce110_timing_generator_is_counter_moving,
210 		.get_position = dce110_timing_generator_get_position,
211 		.get_frame_count = dce110_timing_generator_get_vblank_counter,
212 		.get_scanoutpos = dce110_timing_generator_get_crtc_scanoutpos,
213 		.set_early_control = dce110_timing_generator_set_early_control,
214 		.wait_for_state = dce110_tg_wait_for_state,
215 		.set_blank = dce110_tg_set_blank,
216 		.is_blanked = dce110_tg_is_blanked,
217 		.set_colors = dce110_tg_set_colors,
218 		.set_overscan_blank_color =
219 				dce110_timing_generator_set_overscan_color_black,
220 		.set_blank_color = dce110_timing_generator_program_blank_color,
221 		.disable_vga = dce110_timing_generator_disable_vga,
222 		.did_triggered_reset_occur =
223 				dce110_timing_generator_did_triggered_reset_occur,
224 		.setup_global_swap_lock =
225 				dce110_timing_generator_setup_global_swap_lock,
226 		.enable_reset_trigger = dce110_timing_generator_enable_reset_trigger,
227 		.disable_reset_trigger = dce110_timing_generator_disable_reset_trigger,
228 		.tear_down_global_swap_lock =
229 				dce110_timing_generator_tear_down_global_swap_lock,
230 		.set_drr = dce110_timing_generator_set_drr,
231 		.set_static_screen_control =
232 			dce110_timing_generator_set_static_screen_control,
233 		.set_test_pattern = dce110_timing_generator_set_test_pattern,
234 		.arm_vert_intr = dce110_arm_vert_intr,
235 
236 		/* DCE6.0 overrides */
237 		.enable_advanced_request =
238 				dce60_timing_generator_enable_advanced_request,
239 		.configure_crc = dce60_configure_crc,
240 		.get_crc = dce110_get_crc,
241 };
242 
dce60_timing_generator_construct(struct dce110_timing_generator * tg110,struct dc_context * ctx,uint32_t instance,const struct dce110_timing_generator_offsets * offsets)243 void dce60_timing_generator_construct(
244 	struct dce110_timing_generator *tg110,
245 	struct dc_context *ctx,
246 	uint32_t instance,
247 	const struct dce110_timing_generator_offsets *offsets)
248 {
249 	tg110->controller_id = CONTROLLER_ID_D0 + instance;
250 	tg110->base.inst = instance;
251 	tg110->offsets = *offsets;
252 	tg110->derived_offsets = reg_offsets[instance];
253 
254 	tg110->base.funcs = &dce60_tg_funcs;
255 
256 	tg110->base.ctx = ctx;
257 	tg110->base.bp = ctx->dc_bios;
258 
259 	tg110->max_h_total = CRTC_H_TOTAL__CRTC_H_TOTAL_MASK + 1;
260 	tg110->max_v_total = CRTC_V_TOTAL__CRTC_V_TOTAL_MASK + 1;
261 
262 	tg110->min_h_blank = 56;
263 	tg110->min_h_front_porch = 4;
264 	tg110->min_h_back_porch = 4;
265 }
266 
267