1/*
2 * Copyright 2012-15 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 "reg_helper.h"
27#include "dcn201_optc.h"
28#include "dcn10/dcn10_optc.h"
29#include "dc.h"
30
31#define REG(reg)\
32	optc1->tg_regs->reg
33
34#define CTX \
35	optc1->base.ctx
36
37#undef FN
38#define FN(reg_name, field_name) \
39	optc1->tg_shift->field_name, optc1->tg_mask->field_name
40
41/*TEMP: Need to figure out inheritance model here.*/
42bool optc201_is_two_pixels_per_containter(const struct dc_crtc_timing *timing)
43{
44	return optc1_is_two_pixels_per_containter(timing);
45}
46
47static void optc201_triplebuffer_lock(struct timing_generator *optc)
48{
49	struct optc *optc1 = DCN10TG_FROM_TG(optc);
50
51	REG_SET(OTG_GLOBAL_CONTROL0, 0,
52		OTG_MASTER_UPDATE_LOCK_SEL, optc->inst);
53	REG_SET(OTG_VUPDATE_KEEPOUT, 0,
54		OTG_MASTER_UPDATE_LOCK_VUPDATE_KEEPOUT_EN, 1);
55	REG_SET(OTG_MASTER_UPDATE_LOCK, 0,
56		OTG_MASTER_UPDATE_LOCK, 1);
57
58	REG_WAIT(OTG_MASTER_UPDATE_LOCK,
59			UPDATE_LOCK_STATUS, 1,
60			1, 10);
61}
62
63static void optc201_triplebuffer_unlock(struct timing_generator *optc)
64{
65	struct optc *optc1 = DCN10TG_FROM_TG(optc);
66
67	REG_SET(OTG_MASTER_UPDATE_LOCK, 0,
68		OTG_MASTER_UPDATE_LOCK, 0);
69	REG_SET(OTG_VUPDATE_KEEPOUT, 0,
70		OTG_MASTER_UPDATE_LOCK_VUPDATE_KEEPOUT_EN, 0);
71
72}
73
74static bool optc201_validate_timing(
75	struct timing_generator *optc,
76	const struct dc_crtc_timing *timing)
77{
78	uint32_t v_blank;
79	uint32_t h_blank;
80	uint32_t min_v_blank;
81	struct optc *optc1 = DCN10TG_FROM_TG(optc);
82
83	ASSERT(timing != NULL);
84
85	v_blank = (timing->v_total - timing->v_addressable -
86					timing->v_border_top - timing->v_border_bottom);
87
88	h_blank = (timing->h_total - timing->h_addressable -
89		timing->h_border_right -
90		timing->h_border_left);
91
92	if (timing->timing_3d_format != TIMING_3D_FORMAT_NONE &&
93		timing->timing_3d_format != TIMING_3D_FORMAT_HW_FRAME_PACKING &&
94		timing->timing_3d_format != TIMING_3D_FORMAT_TOP_AND_BOTTOM &&
95		timing->timing_3d_format != TIMING_3D_FORMAT_SIDE_BY_SIDE &&
96		timing->timing_3d_format != TIMING_3D_FORMAT_FRAME_ALTERNATE &&
97		timing->timing_3d_format != TIMING_3D_FORMAT_INBAND_FA)
98		return false;
99
100	/* Check maximum number of pixels supported by Timing Generator
101	 * (Currently will never fail, in order to fail needs display which
102	 * needs more than 8192 horizontal and
103	 * more than 8192 vertical total pixels)
104	 */
105	if (timing->h_total > optc1->max_h_total ||
106		timing->v_total > optc1->max_v_total)
107		return false;
108
109	if (h_blank < optc1->min_h_blank)
110		return false;
111
112	if (timing->h_sync_width  < optc1->min_h_sync_width ||
113		 timing->v_sync_width  < optc1->min_v_sync_width)
114		return false;
115
116	min_v_blank = timing->flags.INTERLACE?optc1->min_v_blank_interlace:optc1->min_v_blank;
117
118	if (v_blank < min_v_blank)
119		return false;
120
121	return true;
122
123}
124
125static void optc201_get_optc_source(struct timing_generator *optc,
126		uint32_t *num_of_src_opp,
127		uint32_t *src_opp_id_0,
128		uint32_t *src_opp_id_1)
129{
130	struct optc *optc1 = DCN10TG_FROM_TG(optc);
131
132	REG_GET(OPTC_DATA_SOURCE_SELECT,
133			OPTC_SEG0_SRC_SEL, src_opp_id_0);
134
135	*num_of_src_opp = 1;
136}
137
138static struct timing_generator_funcs dcn201_tg_funcs = {
139		.validate_timing = optc201_validate_timing,
140		.program_timing = optc1_program_timing,
141		.setup_vertical_interrupt0 = optc1_setup_vertical_interrupt0,
142		.setup_vertical_interrupt1 = optc1_setup_vertical_interrupt1,
143		.setup_vertical_interrupt2 = optc1_setup_vertical_interrupt2,
144		.program_global_sync = optc1_program_global_sync,
145		.enable_crtc = optc2_enable_crtc,
146		.disable_crtc = optc1_disable_crtc,
147		/* used by enable_timing_synchronization. Not need for FPGA */
148		.is_counter_moving = optc1_is_counter_moving,
149		.get_position = optc1_get_position,
150		.get_frame_count = optc1_get_vblank_counter,
151		.get_scanoutpos = optc1_get_crtc_scanoutpos,
152		.get_otg_active_size = optc1_get_otg_active_size,
153		.set_early_control = optc1_set_early_control,
154		/* used by enable_timing_synchronization. Not need for FPGA */
155		.wait_for_state = optc1_wait_for_state,
156		.set_blank = optc1_set_blank,
157		.is_blanked = optc1_is_blanked,
158		.set_blank_color = optc1_program_blank_color,
159		.did_triggered_reset_occur = optc1_did_triggered_reset_occur,
160		.enable_reset_trigger = optc1_enable_reset_trigger,
161		.enable_crtc_reset = optc1_enable_crtc_reset,
162		.disable_reset_trigger = optc1_disable_reset_trigger,
163		.triplebuffer_lock = optc201_triplebuffer_lock,
164		.triplebuffer_unlock = optc201_triplebuffer_unlock,
165		.lock = optc1_lock,
166		.unlock = optc1_unlock,
167		.enable_optc_clock = optc1_enable_optc_clock,
168		.set_drr = optc1_set_drr,
169		.get_last_used_drr_vtotal = NULL,
170		.set_vtotal_min_max = optc1_set_vtotal_min_max,
171		.set_static_screen_control = optc1_set_static_screen_control,
172		.program_stereo = optc1_program_stereo,
173		.is_stereo_left_eye = optc1_is_stereo_left_eye,
174		.set_blank_data_double_buffer = optc1_set_blank_data_double_buffer,
175		.tg_init = optc1_tg_init,
176		.is_tg_enabled = optc1_is_tg_enabled,
177		.is_optc_underflow_occurred = optc1_is_optc_underflow_occurred,
178		.clear_optc_underflow = optc1_clear_optc_underflow,
179		.get_crc = optc1_get_crc,
180		.configure_crc = optc2_configure_crc,
181		.set_dsc_config = optc2_set_dsc_config,
182		.set_dwb_source = NULL,
183		.get_optc_source = optc201_get_optc_source,
184		.set_vtg_params = optc1_set_vtg_params,
185		.program_manual_trigger = optc2_program_manual_trigger,
186		.setup_manual_trigger = optc2_setup_manual_trigger,
187		.get_hw_timing = optc1_get_hw_timing,
188};
189
190void dcn201_timing_generator_init(struct optc *optc1)
191{
192	optc1->base.funcs = &dcn201_tg_funcs;
193
194	optc1->max_h_total = optc1->tg_mask->OTG_H_TOTAL + 1;
195	optc1->max_v_total = optc1->tg_mask->OTG_V_TOTAL + 1;
196
197	optc1->min_h_blank = 32;
198	optc1->min_v_blank = 3;
199	optc1->min_v_blank_interlace = 5;
200	optc1->min_h_sync_width = 8;
201	optc1->min_v_sync_width = 1;
202}
203