| /* |
| * drivers/amlogic/media/osd/osd_antiflicker.c |
| * |
| * Copyright (C) 2017 Amlogic, Inc. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| * more details. |
| * |
| */ |
| |
| /* Linux Headers */ |
| #include <linux/kernel.h> |
| #include <linux/types.h> |
| #include <linux/errno.h> |
| #include <linux/interrupt.h> |
| #include <linux/timer.h> |
| #include <linux/kthread.h> |
| #include <linux/delay.h> |
| #include <linux/semaphore.h> |
| #include <linux/sched.h> |
| |
| /* Amlogic Headers */ |
| #include <linux/amlogic/cpu_version.h> |
| #include <linux/amlogic/media/vout/vout_notify.h> |
| #ifdef CONFIG_AMLOGIC_MEDIA_CANVAS |
| #include <linux/amlogic/media/canvas/canvas.h> |
| #include <linux/amlogic/media/canvas/canvas_mgr.h> |
| #endif |
| #ifdef CONFIG_AMLOGIC_MEDIA_GE2D |
| #include <linux/amlogic/media/ge2d/ge2d.h> |
| #endif |
| /* Local Headers */ |
| #include "osd_canvas.h" |
| #include "osd_antiflicker.h" |
| #include "osd_log.h" |
| #include "osd_io.h" |
| #include "osd_hw.h" |
| |
| |
| #ifdef OSD_GE2D_ANTIFLICKER_SUPPORT |
| struct osd_antiflicker_s { |
| bool inited; |
| u32 yoffset; |
| u32 yres; |
| struct config_para_ex_s ge2d_config; |
| struct ge2d_context_s *ge2d_context; |
| }; |
| |
| static DEFINE_MUTEX(osd_antiflicker_mutex); |
| static struct osd_antiflicker_s ge2d_osd_antiflicker; |
| |
| void osd_antiflicker_enable(u32 enable) |
| { |
| ge2d_antiflicker_enable(ge2d_osd_antiflicker.ge2d_context, enable); |
| } |
| |
| static int osd_antiflicker_process(void) |
| { |
| int ret = -1; |
| #ifdef CONFIG_AMLOGIC_MEDIA_CANVAS |
| struct canvas_s cs, cd; |
| #endif |
| u32 cs_addr = 0, cs_width = 0, cs_height = 0; |
| u32 cd_addr = 0, cd_width = 0, cd_height = 0; |
| u32 x0 = 0; |
| u32 y0 = 0; |
| u32 y1 = 0; |
| u32 yres = 0; |
| struct config_para_ex_s *ge2d_config = NULL; |
| struct ge2d_context_s *context = NULL; |
| |
| ge2d_config = &ge2d_osd_antiflicker.ge2d_config; |
| context = ge2d_osd_antiflicker.ge2d_context; |
| |
| mutex_lock(&osd_antiflicker_mutex); |
| #ifdef CONFIG_AMLOGIC_MEDIA_CANVAS |
| if (osd_hw.osd_meson_dev.cpu_id != MESON_CPU_MAJOR_ID_AXG) { |
| canvas_read(OSD1_CANVAS_INDEX, &cs); |
| canvas_read(OSD1_CANVAS_INDEX, &cd); |
| cs_addr = cs.addr; |
| cs_width = cs.width; |
| cs_height = cs.height; |
| cd_addr = cd.addr; |
| cd_width = cd.width; |
| cd_height = cd.height; |
| } else { |
| osd_get_info(OSD1, &cs_addr, |
| &cs_width, &cs_height); |
| osd_get_info(OSD2, &cs_addr, |
| &cs_width, &cs_height); |
| } |
| #else |
| osd_get_info(OSD1, &cs_addr, |
| &cs_width, &cs_height); |
| osd_get_info(OSD2, &cs_addr, |
| &cs_width, &cs_height); |
| #endif |
| |
| if (ge2d_osd_antiflicker.yoffset > 0) { |
| y0 = ge2d_osd_antiflicker.yoffset; |
| y1 = ge2d_osd_antiflicker.yoffset; |
| } |
| |
| yres = cs_height / ge2d_osd_antiflicker.yres; |
| memset(ge2d_config, 0, sizeof(struct config_para_ex_s)); |
| ge2d_config->alu_const_color = 0; |
| ge2d_config->bitmask_en = 0; |
| ge2d_config->src1_gb_alpha = 0; |
| |
| ge2d_config->src_planes[0].addr = cs_addr; |
| ge2d_config->src_planes[0].w = cs_width / 4; |
| ge2d_config->src_planes[0].h = cs_height; |
| |
| ge2d_config->dst_planes[0].addr = cd_addr; |
| ge2d_config->dst_planes[0].w = cd_width / 4; |
| ge2d_config->dst_planes[0].h = cd_height; |
| |
| ge2d_config->src_para.canvas_index = OSD1_CANVAS_INDEX; |
| ge2d_config->src_para.mem_type = CANVAS_OSD0; |
| ge2d_config->dst_para.format = GE2D_FORMAT_S32_ARGB; |
| ge2d_config->src_para.fill_color_en = 0; |
| ge2d_config->src_para.fill_mode = 0; |
| ge2d_config->src_para.x_rev = 0; |
| ge2d_config->src_para.y_rev = 0; |
| ge2d_config->src_para.color = 0xffffffff; |
| ge2d_config->src_para.top = 0; |
| ge2d_config->src_para.left = 0; |
| ge2d_config->src_para.width = cs_width / 4; |
| ge2d_config->src_para.height = cs_height; |
| |
| ge2d_config->dst_para.canvas_index = OSD1_CANVAS_INDEX; |
| ge2d_config->dst_para.mem_type = CANVAS_OSD0; |
| ge2d_config->dst_para.format = GE2D_FORMAT_S32_ARGB; |
| ge2d_config->dst_para.top = 0; |
| ge2d_config->dst_para.left = 0; |
| ge2d_config->dst_para.width = cd_width / 4; |
| ge2d_config->dst_para.height = cd_height; |
| ge2d_config->dst_para.fill_color_en = 0; |
| ge2d_config->dst_para.fill_mode = 0; |
| ge2d_config->dst_para.color = 0; |
| ge2d_config->dst_para.x_rev = 0; |
| ge2d_config->dst_para.y_rev = 0; |
| ge2d_config->dst_xy_swap = 0; |
| |
| ret = ge2d_context_config_ex(context, ge2d_config); |
| mutex_unlock(&osd_antiflicker_mutex); |
| |
| if (ret < 0) { |
| osd_log_info("++ osd antiflicker ge2d config ex error.\n"); |
| return ret; |
| } |
| |
| stretchblt(context, x0, y0, cs_width / 4, (cs_height / yres), x0, y1, |
| cd_width / 4, (cd_height / yres)); |
| return ret; |
| } |
| |
| void osd_antiflicker_update_pan(u32 yoffset, u32 yres) |
| { |
| int ret = -1; |
| |
| if (!ge2d_osd_antiflicker.inited) |
| return; |
| |
| mutex_lock(&osd_antiflicker_mutex); |
| ge2d_osd_antiflicker.yoffset = yoffset; |
| ge2d_osd_antiflicker.yres = yres; |
| mutex_unlock(&osd_antiflicker_mutex); |
| #if 0 |
| osd_antiflicker_process(); |
| osd_antiflicker_process_2(); |
| #endif |
| ret = osd_antiflicker_process(); |
| |
| if (ret < 0) |
| osd_antiflicker_task_stop(); |
| } |
| |
| int osd_antiflicker_task_start(void) |
| { |
| if (ge2d_osd_antiflicker.inited) { |
| osd_log_info("osd_antiflicker_task already started.\n"); |
| return 0; |
| } |
| |
| osd_log_info("osd_antiflicker_task start.\n"); |
| |
| if (ge2d_osd_antiflicker.ge2d_context == NULL) |
| ge2d_osd_antiflicker.ge2d_context = create_ge2d_work_queue(); |
| |
| memset(&ge2d_osd_antiflicker.ge2d_config, |
| 0, sizeof(struct config_para_ex_s)); |
| ge2d_osd_antiflicker.inited = true; |
| |
| return 0; |
| } |
| |
| void osd_antiflicker_task_stop(void) |
| { |
| if (!ge2d_osd_antiflicker.inited) { |
| osd_log_info("osd_antiflicker_task already stopped.\n"); |
| return; |
| } |
| |
| osd_log_info("osd_antiflicker_task stop.\n"); |
| |
| if (ge2d_osd_antiflicker.ge2d_context) { |
| destroy_ge2d_work_queue(ge2d_osd_antiflicker.ge2d_context); |
| ge2d_osd_antiflicker.ge2d_context = NULL; |
| } |
| |
| ge2d_osd_antiflicker.inited = false; |
| } |
| #endif |