1 /*
2  * Copyright 2020 Mauro Rossi <[email protected]>
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,int pstate_keepout,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 	int pstate_keepout,
115 	const enum signal_type signal,
116 	bool use_vbios)
117 {
118 	if (!use_vbios)
119 		program_pix_dur(tg, timing->pix_clk_100hz);
120 
121 	dce110_tg_program_timing(tg, timing, 0, 0, 0, 0, 0, 0, use_vbios);
122 }
123 
dce60_timing_generator_enable_advanced_request(struct timing_generator * tg,bool enable,const struct dc_crtc_timing * timing)124 static void dce60_timing_generator_enable_advanced_request(
125 	struct timing_generator *tg,
126 	bool enable,
127 	const struct dc_crtc_timing *timing)
128 {
129 	struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg);
130 	uint32_t addr = CRTC_REG(mmCRTC_START_LINE_CONTROL);
131 	uint32_t value = dm_read_reg(tg->ctx, addr);
132 	/* DCE6 has CRTC_PREFETCH_EN bit in CRTC_CONTROL register */
133 	uint32_t addr2 = CRTC_REG(mmCRTC_CONTROL);
134 	uint32_t value2 = dm_read_reg(tg->ctx, addr2);
135 
136 	/* DCE6 does not support CRTC_LEGACY_REQUESTOR_EN bit
137 	   so here is not possible to set bit based on enable argument */
138 
139 	if ((timing->v_sync_width + timing->v_front_porch) <= 3) {
140 		set_reg_field_value(
141 			value,
142 			3,
143 			CRTC_START_LINE_CONTROL,
144 			CRTC_ADVANCED_START_LINE_POSITION);
145 		set_reg_field_value(
146 			value2,
147 			0,
148 			CRTC_CONTROL,
149 			CRTC_PREFETCH_EN);
150 	} else {
151 		set_reg_field_value(
152 			value,
153 			4,
154 			CRTC_START_LINE_CONTROL,
155 			CRTC_ADVANCED_START_LINE_POSITION);
156 		set_reg_field_value(
157 			value2,
158 			1,
159 			CRTC_CONTROL,
160 			CRTC_PREFETCH_EN);
161 	}
162 
163 	set_reg_field_value(
164 		value,
165 		1,
166 		CRTC_START_LINE_CONTROL,
167 		CRTC_PROGRESSIVE_START_LINE_EARLY);
168 
169 	set_reg_field_value(
170 		value,
171 		1,
172 		CRTC_START_LINE_CONTROL,
173 		CRTC_INTERLACE_START_LINE_EARLY);
174 
175 	dm_write_reg(tg->ctx, addr, value);
176 	dm_write_reg(tg->ctx, addr2, value2);
177 }
178 
dce60_is_tg_enabled(struct timing_generator * tg)179 static bool dce60_is_tg_enabled(struct timing_generator *tg)
180 {
181 	uint32_t addr = 0;
182 	uint32_t value = 0;
183 	uint32_t field = 0;
184 	struct dce110_timing_generator *tg110 = DCE110TG_FROM_TG(tg);
185 
186 	addr = CRTC_REG(mmCRTC_CONTROL);
187 	value = dm_read_reg(tg->ctx, addr);
188 	field = get_reg_field_value(value, CRTC_CONTROL,
189 				    CRTC_CURRENT_MASTER_EN_STATE);
190 	return field == 1;
191 }
192 
dce60_configure_crc(struct timing_generator * tg,const struct crc_params * params)193 static bool dce60_configure_crc(struct timing_generator *tg,
194 				const struct crc_params *params)
195 {
196 	/* Cannot configure crc on a CRTC that is disabled */
197 	if (!dce60_is_tg_enabled(tg))
198 		return false;
199 
200 	/* DCE6 has no CRTC_CRC_CNTL register, nothing to do */
201 
202 	return true;
203 }
204 
205 static const struct timing_generator_funcs dce60_tg_funcs = {
206 		.validate_timing = dce110_tg_validate_timing,
207 		.program_timing = program_timing,
208 		.enable_crtc = dce110_timing_generator_enable_crtc,
209 		.disable_crtc = dce110_timing_generator_disable_crtc,
210 		.is_counter_moving = dce110_timing_generator_is_counter_moving,
211 		.get_position = dce110_timing_generator_get_position,
212 		.get_frame_count = dce110_timing_generator_get_vblank_counter,
213 		.get_scanoutpos = dce110_timing_generator_get_crtc_scanoutpos,
214 		.set_early_control = dce110_timing_generator_set_early_control,
215 		.wait_for_state = dce110_tg_wait_for_state,
216 		.set_blank = dce110_tg_set_blank,
217 		.is_blanked = dce110_tg_is_blanked,
218 		.set_colors = dce110_tg_set_colors,
219 		.set_overscan_blank_color =
220 				dce110_timing_generator_set_overscan_color_black,
221 		.set_blank_color = dce110_timing_generator_program_blank_color,
222 		.disable_vga = dce110_timing_generator_disable_vga,
223 		.did_triggered_reset_occur =
224 				dce110_timing_generator_did_triggered_reset_occur,
225 		.setup_global_swap_lock =
226 				dce110_timing_generator_setup_global_swap_lock,
227 		.enable_reset_trigger = dce110_timing_generator_enable_reset_trigger,
228 		.disable_reset_trigger = dce110_timing_generator_disable_reset_trigger,
229 		.tear_down_global_swap_lock =
230 				dce110_timing_generator_tear_down_global_swap_lock,
231 		.set_drr = dce110_timing_generator_set_drr,
232 		.set_static_screen_control =
233 			dce110_timing_generator_set_static_screen_control,
234 		.set_test_pattern = dce110_timing_generator_set_test_pattern,
235 		.arm_vert_intr = dce110_arm_vert_intr,
236 
237 		/* DCE6.0 overrides */
238 		.enable_advanced_request =
239 				dce60_timing_generator_enable_advanced_request,
240 		.configure_crc = dce60_configure_crc,
241 		.get_crc = dce110_get_crc,
242 		.is_two_pixels_per_container = dce110_is_two_pixels_per_container,
243 };
244 
dce60_timing_generator_construct(struct dce110_timing_generator * tg110,struct dc_context * ctx,uint32_t instance,const struct dce110_timing_generator_offsets * offsets)245 void dce60_timing_generator_construct(
246 	struct dce110_timing_generator *tg110,
247 	struct dc_context *ctx,
248 	uint32_t instance,
249 	const struct dce110_timing_generator_offsets *offsets)
250 {
251 	tg110->controller_id = CONTROLLER_ID_D0 + instance;
252 	tg110->base.inst = instance;
253 	tg110->offsets = *offsets;
254 	tg110->derived_offsets = reg_offsets[instance];
255 
256 	tg110->base.funcs = &dce60_tg_funcs;
257 
258 	tg110->base.ctx = ctx;
259 	tg110->base.bp = ctx->dc_bios;
260 
261 	tg110->max_h_total = CRTC_H_TOTAL__CRTC_H_TOTAL_MASK + 1;
262 	tg110->max_v_total = CRTC_V_TOTAL__CRTC_V_TOTAL_MASK + 1;
263 
264 	tg110->min_h_blank = 56;
265 	tg110->min_h_front_porch = 4;
266 	tg110->min_h_back_porch = 4;
267 }
268 
269