323 lines
6.9 KiB
C
323 lines
6.9 KiB
C
/* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <debug.h>
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#include <err.h>
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#include <msm_panel.h>
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#include <mdp4.h>
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#include <mipi_dsi.h>
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#include <boot_stats.h>
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#ifndef DISPLAY_TYPE_HDMI
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static int hdmi_dtv_init(void)
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{
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return 0;
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}
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static int hdmi_dtv_on(void)
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{
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return 0;
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}
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static int hdmi_msm_turn_on(void)
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{
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return 0;
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}
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#endif
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static struct msm_fb_panel_data *panel;
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extern int lvds_on(struct msm_fb_panel_data *pdata);
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static int msm_fb_alloc(struct fbcon_config *fb)
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{
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if (fb == NULL)
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return ERROR;
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if (fb->base == NULL)
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fb->base = memalign(4096, fb->width
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* fb->height
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* (fb->bpp / 8));
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if (fb->base == NULL)
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return ERROR;
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return NO_ERROR;
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}
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int msm_display_config()
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{
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int ret = NO_ERROR;
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struct msm_panel_info *pinfo;
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if (!panel)
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return ERR_INVALID_ARGS;
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pinfo = &(panel->panel_info);
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/* Set MDP revision */
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mdp_set_revision(panel->mdp_rev);
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switch (pinfo->type) {
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case LVDS_PANEL:
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dprintf(INFO, "Config LVDS_PANEL.\n");
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ret = mdp_lcdc_config(pinfo, &(panel->fb));
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if (ret)
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goto msm_display_config_out;
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break;
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case MIPI_VIDEO_PANEL:
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dprintf(INFO, "Config MIPI_VIDEO_PANEL.\n");
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if (mdp_get_revision() == MDP_REV_50)
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ret = mdss_dsi_config(panel);
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else
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ret = mipi_config(panel);
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if (ret)
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goto msm_display_config_out;
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if (pinfo->early_config)
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ret = pinfo->early_config((void *)pinfo);
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ret = mdp_dsi_video_config(pinfo, &(panel->fb));
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if (ret)
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goto msm_display_config_out;
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break;
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case MIPI_CMD_PANEL:
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dprintf(INFO, "Config MIPI_CMD_PANEL.\n");
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if (mdp_get_revision() == MDP_REV_50)
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ret = mdss_dsi_config(panel);
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else
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ret = mipi_config(panel);
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if (ret)
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goto msm_display_config_out;
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ret = mdp_dsi_cmd_config(pinfo, &(panel->fb));
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if (ret)
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goto msm_display_config_out;
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break;
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case LCDC_PANEL:
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dprintf(INFO, "Config LCDC PANEL.\n");
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ret = mdp_lcdc_config(pinfo, &(panel->fb));
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if (ret)
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goto msm_display_config_out;
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break;
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case HDMI_PANEL:
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dprintf(INFO, "Config HDMI PANEL.\n");
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ret = hdmi_dtv_init();
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if (ret)
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goto msm_display_config_out;
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break;
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default:
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return ERR_INVALID_ARGS;
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};
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if (pinfo->config)
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ret = pinfo->config((void *)pinfo);
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msm_display_config_out:
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return ret;
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}
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int msm_display_on()
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{
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int ret = NO_ERROR;
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struct msm_panel_info *pinfo;
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if (!panel)
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return ERR_INVALID_ARGS;
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bs_set_timestamp(BS_SPLASH_SCREEN_DISPLAY);
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pinfo = &(panel->panel_info);
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switch (pinfo->type) {
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case LVDS_PANEL:
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dprintf(INFO, "Turn on LVDS PANEL.\n");
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ret = mdp_lcdc_on(panel);
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if (ret)
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goto msm_display_on_out;
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ret = lvds_on(panel);
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if (ret)
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goto msm_display_on_out;
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break;
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case MIPI_VIDEO_PANEL:
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dprintf(INFO, "Turn on MIPI_VIDEO_PANEL.\n");
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ret = mdp_dsi_video_on();
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if (ret)
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goto msm_display_on_out;
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ret = mipi_dsi_on();
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if (ret)
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goto msm_display_on_out;
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break;
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case MIPI_CMD_PANEL:
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dprintf(INFO, "Turn on MIPI_CMD_PANEL.\n");
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ret = mdp_dma_on();
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if (ret)
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goto msm_display_on_out;
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if (mdp_get_revision() != MDP_REV_50) {
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ret = mipi_cmd_trigger();
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if (ret)
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goto msm_display_on_out;
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}
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break;
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case LCDC_PANEL:
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dprintf(INFO, "Turn on LCDC PANEL.\n");
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ret = mdp_lcdc_on(panel);
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if (ret)
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goto msm_display_on_out;
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break;
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case HDMI_PANEL:
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dprintf(INFO, "Turn on HDMI PANEL.\n");
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ret = hdmi_dtv_on();
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if (ret)
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goto msm_display_on_out;
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ret = hdmi_msm_turn_on();
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if (ret)
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goto msm_display_on_out;
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break;
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default:
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return ERR_INVALID_ARGS;
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};
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if (pinfo->on)
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ret = pinfo->on();
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msm_display_on_out:
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return ret;
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}
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int msm_display_init(struct msm_fb_panel_data *pdata)
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{
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int ret = NO_ERROR;
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panel = pdata;
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if (!panel) {
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ret = ERR_INVALID_ARGS;
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goto msm_display_init_out;
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}
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/* Turn on panel */
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if (pdata->power_func)
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ret = pdata->power_func(1);
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if (ret)
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goto msm_display_init_out;
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/* Enable clock */
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if (pdata->clk_func)
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ret = pdata->clk_func(1);
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if (ret)
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goto msm_display_init_out;
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ret = msm_fb_alloc(&(panel->fb));
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if (ret)
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goto msm_display_init_out;
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fbcon_setup(&(panel->fb));
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display_image_on_screen();
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ret = msm_display_config();
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if (ret)
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goto msm_display_init_out;
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ret = msm_display_on();
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if (ret)
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goto msm_display_init_out;
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msm_display_init_out:
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return ret;
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}
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int msm_display_off()
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{
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int ret = NO_ERROR;
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struct msm_panel_info *pinfo;
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if (!panel)
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return ERR_INVALID_ARGS;
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pinfo = &(panel->panel_info);
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switch (pinfo->type) {
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case LVDS_PANEL:
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dprintf(INFO, "Turn off LVDS PANEL.\n");
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mdp_lcdc_off();
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break;
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case MIPI_VIDEO_PANEL:
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dprintf(INFO, "Turn off MIPI_VIDEO_PANEL.\n");
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ret = mdp_dsi_video_off();
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if (ret)
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goto msm_display_off_out;
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ret = mipi_dsi_off();
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if (ret)
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goto msm_display_off_out;
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break;
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case MIPI_CMD_PANEL:
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dprintf(INFO, "Turn off MIPI_CMD_PANEL.\n");
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ret = mdp_dsi_cmd_off();
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if (ret)
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goto msm_display_off_out;
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ret = mipi_dsi_off();
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if (ret)
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goto msm_display_off_out;
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break;
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case LCDC_PANEL:
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dprintf(INFO, "Turn off LCDC PANEL.\n");
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mdp_lcdc_off();
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break;
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default:
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return ERR_INVALID_ARGS;
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};
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if (target_cont_splash_screen()) {
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dprintf(INFO, "Continuous splash enabled, keeping panel alive.\n");
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return NO_ERROR;
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}
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if (pinfo->off)
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ret = pinfo->off();
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/* Disable clock */
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if (panel->clk_func)
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ret = panel->clk_func(0);
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if (ret)
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goto msm_display_off_out;
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/* Disable panel */
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if (panel->power_func)
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ret = panel->power_func(0);
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msm_display_off_out:
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return ret;
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}
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