116012806SWyatt Wood /*
216012806SWyatt Wood * Copyright 2019 Advanced Micro Devices, Inc.
316012806SWyatt Wood *
416012806SWyatt Wood * Permission is hereby granted, free of charge, to any person obtaining a
516012806SWyatt Wood * copy of this software and associated documentation files (the "Software"),
616012806SWyatt Wood * to deal in the Software without restriction, including without limitation
716012806SWyatt Wood * the rights to use, copy, modify, merge, publish, distribute, sublicense,
816012806SWyatt Wood * and/or sell copies of the Software, and to permit persons to whom the
916012806SWyatt Wood * Software is furnished to do so, subject to the following conditions:
1016012806SWyatt Wood *
1116012806SWyatt Wood * The above copyright notice and this permission notice shall be included in
1216012806SWyatt Wood * all copies or substantial portions of the Software.
1316012806SWyatt Wood *
1416012806SWyatt Wood * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
1516012806SWyatt Wood * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
1616012806SWyatt Wood * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
1716012806SWyatt Wood * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
1816012806SWyatt Wood * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
1916012806SWyatt Wood * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
2016012806SWyatt Wood * OTHER DEALINGS IN THE SOFTWARE.
2116012806SWyatt Wood *
2216012806SWyatt Wood * Authors: AMD
2316012806SWyatt Wood *
2416012806SWyatt Wood */
2516012806SWyatt Wood
2616012806SWyatt Wood #include "dmub_abm.h"
27b8fe5637SLeon Huang #include "dmub_abm_lcd.h"
2816012806SWyatt Wood #include "dc.h"
2916012806SWyatt Wood #include "core_types.h"
30da915efaSReza Amini #include "dmub_cmd.h"
3116012806SWyatt Wood
3216012806SWyatt Wood #define TO_DMUB_ABM(abm)\
3316012806SWyatt Wood container_of(abm, struct dce_abm, base)
3416012806SWyatt Wood
35b8fe5637SLeon Huang #define ABM_FEATURE_NO_SUPPORT 0
36b8fe5637SLeon Huang #define ABM_LCD_SUPPORT 1
3716012806SWyatt Wood
abm_feature_support(struct abm * abm,unsigned int panel_inst)38b8fe5637SLeon Huang static unsigned int abm_feature_support(struct abm *abm, unsigned int panel_inst)
39dd5a94ceSWyatt Wood {
4016012806SWyatt Wood struct dc_context *dc = abm->ctx;
4163de4f04SJake Wang struct dc_link *edp_links[MAX_NUM_EDP];
4263de4f04SJake Wang int i;
4363de4f04SJake Wang int edp_num;
44b8fe5637SLeon Huang unsigned int ret = ABM_FEATURE_NO_SUPPORT;
4563de4f04SJake Wang
467ae1dbe6SWenjing Liu dc_get_edp_links(dc->dc, edp_links, &edp_num);
4763de4f04SJake Wang
4863de4f04SJake Wang for (i = 0; i < edp_num; i++) {
49b8fe5637SLeon Huang if (panel_inst == i)
50b8fe5637SLeon Huang break;
5163de4f04SJake Wang }
5216012806SWyatt Wood
53b8fe5637SLeon Huang if (i < edp_num) {
54b8fe5637SLeon Huang ret = ABM_LCD_SUPPORT;
5516012806SWyatt Wood }
5616012806SWyatt Wood
57b8fe5637SLeon Huang return ret;
58b8fe5637SLeon Huang }
59b8fe5637SLeon Huang
dmub_abm_init_ex(struct abm * abm,uint32_t backlight)60b8fe5637SLeon Huang static void dmub_abm_init_ex(struct abm *abm, uint32_t backlight)
61b8fe5637SLeon Huang {
62b8fe5637SLeon Huang dmub_abm_init(abm, backlight);
63b8fe5637SLeon Huang }
64b8fe5637SLeon Huang
dmub_abm_get_current_backlight_ex(struct abm * abm)65b8fe5637SLeon Huang static unsigned int dmub_abm_get_current_backlight_ex(struct abm *abm)
66b8fe5637SLeon Huang {
67b8fe5637SLeon Huang return dmub_abm_get_current_backlight(abm);
68b8fe5637SLeon Huang }
69b8fe5637SLeon Huang
dmub_abm_get_target_backlight_ex(struct abm * abm)70b8fe5637SLeon Huang static unsigned int dmub_abm_get_target_backlight_ex(struct abm *abm)
71b8fe5637SLeon Huang {
72b8fe5637SLeon Huang return dmub_abm_get_target_backlight(abm);
73b8fe5637SLeon Huang }
74b8fe5637SLeon Huang
dmub_abm_set_level_ex(struct abm * abm,uint32_t level)75b8fe5637SLeon Huang static bool dmub_abm_set_level_ex(struct abm *abm, uint32_t level)
76b8fe5637SLeon Huang {
77b8fe5637SLeon Huang bool ret = false;
78b8fe5637SLeon Huang unsigned int feature_support, i;
79b8fe5637SLeon Huang uint8_t panel_mask0 = 0;
80b8fe5637SLeon Huang
81b8fe5637SLeon Huang for (i = 0; i < MAX_NUM_EDP; i++) {
82b8fe5637SLeon Huang feature_support = abm_feature_support(abm, i);
83b8fe5637SLeon Huang
84b8fe5637SLeon Huang if (feature_support == ABM_LCD_SUPPORT)
85b8fe5637SLeon Huang panel_mask0 |= (0x01 << i);
86b8fe5637SLeon Huang }
87b8fe5637SLeon Huang
88b8fe5637SLeon Huang if (panel_mask0)
89b8fe5637SLeon Huang ret = dmub_abm_set_level(abm, level, panel_mask0);
90b8fe5637SLeon Huang
91b8fe5637SLeon Huang return ret;
92b8fe5637SLeon Huang }
93b8fe5637SLeon Huang
dmub_abm_init_config_ex(struct abm * abm,const char * src,unsigned int bytes,unsigned int inst)94b8fe5637SLeon Huang static bool dmub_abm_init_config_ex(struct abm *abm,
9516012806SWyatt Wood const char *src,
966e568e43SJake Wang unsigned int bytes,
976e568e43SJake Wang unsigned int inst)
9816012806SWyatt Wood {
99b8fe5637SLeon Huang unsigned int feature_support;
100c5d5b0ecSWyatt Wood
101b8fe5637SLeon Huang feature_support = abm_feature_support(abm, inst);
102c5d5b0ecSWyatt Wood
103b8fe5637SLeon Huang if (feature_support == ABM_LCD_SUPPORT)
104b8fe5637SLeon Huang dmub_abm_init_config(abm, src, bytes, inst);
105c5d5b0ecSWyatt Wood
10616012806SWyatt Wood return true;
10716012806SWyatt Wood }
10816012806SWyatt Wood
dmub_abm_set_pause_ex(struct abm * abm,bool pause,unsigned int panel_inst,unsigned int stream_inst)109b8fe5637SLeon Huang static bool dmub_abm_set_pause_ex(struct abm *abm, bool pause, unsigned int panel_inst, unsigned int stream_inst)
110b629a824SEric Yang {
111b8fe5637SLeon Huang bool ret = false;
112b8fe5637SLeon Huang unsigned int feature_support;
113b629a824SEric Yang
114b8fe5637SLeon Huang feature_support = abm_feature_support(abm, panel_inst);
115b629a824SEric Yang
116b8fe5637SLeon Huang if (feature_support == ABM_LCD_SUPPORT)
117b8fe5637SLeon Huang ret = dmub_abm_set_pause(abm, pause, panel_inst, stream_inst);
118b629a824SEric Yang
119b8fe5637SLeon Huang return ret;
120b8fe5637SLeon Huang }
121b8fe5637SLeon Huang
122da915efaSReza Amini /*****************************************************************************
123da915efaSReza Amini * dmub_abm_save_restore_ex() - calls dmub_abm_save_restore for preserving DMUB's
124da915efaSReza Amini * Varibright states for LCD only. OLED is TBD
125da915efaSReza Amini * @abm: used to check get dc context
126da915efaSReza Amini * @panel_inst: panel instance index
127da915efaSReza Amini * @pData: contains command to pause/un-pause abm and abm parameters
128da915efaSReza Amini *
129da915efaSReza Amini *
130da915efaSReza Amini ***************************************************************************/
dmub_abm_save_restore_ex(struct abm * abm,unsigned int panel_inst,struct abm_save_restore * pData)131da915efaSReza Amini static bool dmub_abm_save_restore_ex(
132da915efaSReza Amini struct abm *abm,
133da915efaSReza Amini unsigned int panel_inst,
134da915efaSReza Amini struct abm_save_restore *pData)
135da915efaSReza Amini {
136da915efaSReza Amini bool ret = false;
137da915efaSReza Amini unsigned int feature_support;
138da915efaSReza Amini struct dc_context *dc = abm->ctx;
139da915efaSReza Amini
140da915efaSReza Amini feature_support = abm_feature_support(abm, panel_inst);
141da915efaSReza Amini
142da915efaSReza Amini if (feature_support == ABM_LCD_SUPPORT)
143da915efaSReza Amini ret = dmub_abm_save_restore(dc, panel_inst, pData);
144da915efaSReza Amini
145da915efaSReza Amini return ret;
146da915efaSReza Amini }
147da915efaSReza Amini
dmub_abm_set_pipe_ex(struct abm * abm,uint32_t otg_inst,uint32_t option,uint32_t panel_inst,uint32_t pwrseq_inst)148*71be0f67SLewis Huang static bool dmub_abm_set_pipe_ex(struct abm *abm,
149*71be0f67SLewis Huang uint32_t otg_inst,
150*71be0f67SLewis Huang uint32_t option,
151*71be0f67SLewis Huang uint32_t panel_inst,
152*71be0f67SLewis Huang uint32_t pwrseq_inst)
153b8fe5637SLeon Huang {
154b8fe5637SLeon Huang bool ret = false;
155b8fe5637SLeon Huang unsigned int feature_support;
156b8fe5637SLeon Huang
157b8fe5637SLeon Huang feature_support = abm_feature_support(abm, panel_inst);
158b8fe5637SLeon Huang
159b8fe5637SLeon Huang if (feature_support == ABM_LCD_SUPPORT)
160*71be0f67SLewis Huang ret = dmub_abm_set_pipe(abm, otg_inst, option, panel_inst, pwrseq_inst);
161b8fe5637SLeon Huang
162b8fe5637SLeon Huang return ret;
163b8fe5637SLeon Huang }
164b8fe5637SLeon Huang
dmub_abm_set_backlight_level_pwm_ex(struct abm * abm,unsigned int backlight_pwm_u16_16,unsigned int frame_ramp,unsigned int controller_id,unsigned int panel_inst)165b8fe5637SLeon Huang static bool dmub_abm_set_backlight_level_pwm_ex(struct abm *abm,
166b8fe5637SLeon Huang unsigned int backlight_pwm_u16_16,
167b8fe5637SLeon Huang unsigned int frame_ramp,
168b8fe5637SLeon Huang unsigned int controller_id,
169b8fe5637SLeon Huang unsigned int panel_inst)
170b8fe5637SLeon Huang {
171b8fe5637SLeon Huang bool ret = false;
172b8fe5637SLeon Huang unsigned int feature_support;
173b8fe5637SLeon Huang
174b8fe5637SLeon Huang feature_support = abm_feature_support(abm, panel_inst);
175b8fe5637SLeon Huang
176b8fe5637SLeon Huang if (feature_support == ABM_LCD_SUPPORT)
177b8fe5637SLeon Huang ret = dmub_abm_set_backlight_level(abm, backlight_pwm_u16_16, frame_ramp, panel_inst);
178b8fe5637SLeon Huang
179b8fe5637SLeon Huang return ret;
180b629a824SEric Yang }
181b629a824SEric Yang
18216012806SWyatt Wood static const struct abm_funcs abm_funcs = {
183b8fe5637SLeon Huang .abm_init = dmub_abm_init_ex,
184b8fe5637SLeon Huang .set_abm_level = dmub_abm_set_level_ex,
185b8fe5637SLeon Huang .get_current_backlight = dmub_abm_get_current_backlight_ex,
186b8fe5637SLeon Huang .get_target_backlight = dmub_abm_get_target_backlight_ex,
187b8fe5637SLeon Huang .init_abm_config = dmub_abm_init_config_ex,
188b8fe5637SLeon Huang .set_abm_pause = dmub_abm_set_pause_ex,
189da915efaSReza Amini .save_restore = dmub_abm_save_restore_ex,
190b8fe5637SLeon Huang .set_pipe_ex = dmub_abm_set_pipe_ex,
191b8fe5637SLeon Huang .set_backlight_level_pwm = dmub_abm_set_backlight_level_pwm_ex,
19216012806SWyatt Wood };
19316012806SWyatt Wood
dmub_abm_construct(struct dce_abm * abm_dce,struct dc_context * ctx,const struct dce_abm_registers * regs,const struct dce_abm_shift * abm_shift,const struct dce_abm_mask * abm_mask)19416012806SWyatt Wood static void dmub_abm_construct(
19516012806SWyatt Wood struct dce_abm *abm_dce,
19616012806SWyatt Wood struct dc_context *ctx,
19716012806SWyatt Wood const struct dce_abm_registers *regs,
19816012806SWyatt Wood const struct dce_abm_shift *abm_shift,
19916012806SWyatt Wood const struct dce_abm_mask *abm_mask)
20016012806SWyatt Wood {
20116012806SWyatt Wood struct abm *base = &abm_dce->base;
20216012806SWyatt Wood
20316012806SWyatt Wood base->ctx = ctx;
20416012806SWyatt Wood base->funcs = &abm_funcs;
20516012806SWyatt Wood base->dmcu_is_running = false;
20616012806SWyatt Wood
20716012806SWyatt Wood abm_dce->regs = regs;
20816012806SWyatt Wood abm_dce->abm_shift = abm_shift;
20916012806SWyatt Wood abm_dce->abm_mask = abm_mask;
21016012806SWyatt Wood }
21116012806SWyatt Wood
dmub_abm_create(struct dc_context * ctx,const struct dce_abm_registers * regs,const struct dce_abm_shift * abm_shift,const struct dce_abm_mask * abm_mask)21216012806SWyatt Wood struct abm *dmub_abm_create(
21316012806SWyatt Wood struct dc_context *ctx,
21416012806SWyatt Wood const struct dce_abm_registers *regs,
21516012806SWyatt Wood const struct dce_abm_shift *abm_shift,
21616012806SWyatt Wood const struct dce_abm_mask *abm_mask)
21716012806SWyatt Wood {
218b8fe5637SLeon Huang if (ctx->dc->caps.dmcub_support) {
21916012806SWyatt Wood struct dce_abm *abm_dce = kzalloc(sizeof(*abm_dce), GFP_KERNEL);
22016012806SWyatt Wood
22116012806SWyatt Wood if (abm_dce == NULL) {
22216012806SWyatt Wood BREAK_TO_DEBUGGER();
22316012806SWyatt Wood return NULL;
22416012806SWyatt Wood }
22516012806SWyatt Wood
22616012806SWyatt Wood dmub_abm_construct(abm_dce, ctx, regs, abm_shift, abm_mask);
22716012806SWyatt Wood
22816012806SWyatt Wood return &abm_dce->base;
22916012806SWyatt Wood }
230b8fe5637SLeon Huang return NULL;
231b8fe5637SLeon Huang }
23216012806SWyatt Wood
dmub_abm_destroy(struct abm ** abm)23316012806SWyatt Wood void dmub_abm_destroy(struct abm **abm)
23416012806SWyatt Wood {
23516012806SWyatt Wood struct dce_abm *abm_dce = TO_DMUB_ABM(*abm);
23616012806SWyatt Wood
23716012806SWyatt Wood kfree(abm_dce);
23816012806SWyatt Wood *abm = NULL;
23916012806SWyatt Wood }
240