| /* Copyright (c) 2013-2014, The Linux Foundation. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of The Linux Foundation nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
| * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
| * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| */ |
| |
| #include <debug.h> |
| #include <err.h> |
| #include <smem.h> |
| #include <msm_panel.h> |
| #include <string.h> |
| #include <stdlib.h> |
| #include <board.h> |
| #include <mdp5.h> |
| #include <platform/gpio.h> |
| #include <mipi_dsi.h> |
| |
| #include "include/display_resource.h" |
| #include "include/panel.h" |
| #include "panel_display.h" |
| #include "gcdb_display.h" |
| #include "target/display.h" |
| #include "gcdb_autopll.h" |
| |
| /*---------------------------------------------------------------------------*/ |
| /* static */ |
| /*---------------------------------------------------------------------------*/ |
| static struct msm_fb_panel_data panel; |
| struct panel_struct panelstruct; |
| static uint8_t display_enable; |
| static struct mdss_dsi_phy_ctrl dsi_video_mode_phy_db; |
| |
| /*---------------------------------------------------------------------------*/ |
| /* Extern */ |
| /*---------------------------------------------------------------------------*/ |
| extern int msm_display_init(struct msm_fb_panel_data *pdata); |
| extern int msm_display_off(); |
| |
| static uint32_t panel_backlight_ctrl(uint8_t enable) |
| { |
| return target_backlight_ctrl(panelstruct.backlightinfo, enable); |
| } |
| |
| static uint32_t mdss_dsi_panel_reset(uint8_t enable) |
| { |
| uint32_t ret = NO_ERROR; |
| |
| ret = target_panel_reset(enable, panelstruct.panelresetseq, |
| &panel.panel_info); |
| |
| return ret; |
| } |
| |
| static uint32_t mdss_dsi_panel_clock(uint8_t enable, |
| struct msm_panel_info *pinfo) |
| { |
| uint32_t ret = NO_ERROR; |
| |
| ret = calculate_clock_config(pinfo); |
| if (ret) { |
| dprintf(CRITICAL, "Clock calculation failed \n"); |
| /* should it stop here ? check with display team */ |
| } |
| |
| ret = target_panel_clock(enable, pinfo); |
| |
| return ret; |
| } |
| |
| static int mdss_dsi_panel_power(uint8_t enable) |
| { |
| int ret = NO_ERROR; |
| |
| if (enable) { |
| ret = target_ldo_ctrl(enable); |
| if (ret) { |
| dprintf(CRITICAL, "LDO control enable failed \n"); |
| return ret; |
| } |
| mdelay(10); |
| /* Panel Reset */ |
| ret = mdss_dsi_panel_reset(enable); |
| if (ret) { |
| dprintf(CRITICAL, "panel reset failed \n"); |
| return ret; |
| } |
| dprintf(SPEW, "Panel power on done\n"); |
| } else { |
| /* Disable panel and ldo */ |
| ret = mdss_dsi_panel_reset(enable); |
| if (ret) { |
| dprintf(CRITICAL, "panel reset disable failed \n"); |
| return ret; |
| } |
| |
| ret = target_ldo_ctrl(enable); |
| if (ret) { |
| dprintf(CRITICAL, "ldo control disable failed \n"); |
| return ret; |
| } |
| dprintf(SPEW, "Panel power off done\n"); |
| } |
| |
| return ret; |
| } |
| |
| static int mdss_dsi_panel_pre_init(void) |
| { |
| int ret = NO_ERROR; |
| |
| if (panelstruct.paneldata->panel_lp11_init) { |
| ret = mdss_dsi_panel_reset(1); |
| if (ret) { |
| dprintf(CRITICAL, "panel reset failed\n"); |
| return ret; |
| } |
| } |
| |
| if(panelstruct.paneldata->panel_init_delay) |
| udelay(panelstruct.paneldata->panel_init_delay); |
| |
| dprintf(SPEW, "Panel pre init done\n"); |
| return ret; |
| } |
| |
| static int mdss_dsi_bl_enable(uint8_t enable) |
| { |
| int ret = NO_ERROR; |
| |
| ret = panel_backlight_ctrl(enable); |
| if (ret) |
| dprintf(CRITICAL, "Backlight %s failed\n", enable ? "enable" : |
| "disable"); |
| return ret; |
| } |
| |
| bool target_display_panel_node(char *pbuf, uint16_t buf_size) |
| { |
| char *dsi_id = NULL; |
| char *panel_node = NULL; |
| char *slave_panel_node = NULL; |
| uint16_t dsi_id_len = 0, panel_node_len = 0, slave_panel_node_len = 0; |
| uint32_t arg_size = 0; |
| bool ret = true; |
| char *default_str; |
| int panel_mode = SPLIT_DISPLAY_FLAG | DUAL_PIPE_FLAG; |
| |
| if(panelstruct.paneldata && target_cont_splash_screen()) |
| { |
| dsi_id = panelstruct.paneldata->panel_controller; |
| panel_node = panelstruct.paneldata->panel_node_id; |
| panel_mode = panelstruct.paneldata->panel_operating_mode & |
| panel_mode; |
| slave_panel_node = panelstruct.paneldata->slave_panel_node_id; |
| } |
| else |
| { |
| if (target_is_edp()) |
| { |
| default_str = "1:edp:"; |
| } |
| else |
| { |
| default_str = "0:dsi:0:"; |
| } |
| strlcpy(pbuf, default_str, buf_size); |
| return true; |
| } |
| |
| if (dsi_id == NULL || panel_node == NULL) { |
| dprintf(CRITICAL, "panel node or dsi ctrl not present\n"); |
| return false; |
| } |
| |
| if (panel_mode && slave_panel_node == NULL) { |
| dprintf(CRITICAL, "slave node not present in dual dsi case\n"); |
| return false; |
| } |
| |
| dsi_id_len = strlen(dsi_id); |
| panel_node_len = strlen(panel_node); |
| slave_panel_node_len = strlen(slave_panel_node); |
| |
| arg_size = dsi_id_len + panel_node_len + LK_OVERRIDE_PANEL_LEN + 1; |
| |
| /* For dual pipe or split display */ |
| if (panel_mode) |
| arg_size += DSI_1_STRING_LEN + slave_panel_node_len; |
| |
| if (buf_size < arg_size) |
| { |
| dprintf(CRITICAL, "display command line buffer is small\n"); |
| ret = false; |
| } |
| else |
| { |
| strlcpy(pbuf, LK_OVERRIDE_PANEL, buf_size); |
| pbuf += LK_OVERRIDE_PANEL_LEN; |
| buf_size -= LK_OVERRIDE_PANEL_LEN; |
| |
| strlcpy(pbuf, dsi_id, buf_size); |
| pbuf += dsi_id_len; |
| buf_size -= dsi_id_len; |
| |
| strlcpy(pbuf, panel_node, buf_size); |
| |
| /* Return string for single dsi */ |
| if (!panel_mode) |
| goto end; |
| |
| pbuf += panel_node_len; |
| buf_size -= panel_node_len; |
| |
| strlcpy(pbuf, DSI_1_STRING, buf_size); |
| pbuf += DSI_1_STRING_LEN; |
| buf_size -= DSI_1_STRING_LEN; |
| |
| strlcpy(pbuf, slave_panel_node, buf_size); |
| } |
| end: |
| return ret; |
| } |
| |
| |
| static void init_platform_data() |
| { |
| memcpy(dsi_video_mode_phy_db.regulator, panel_regulator_settings, |
| REGULATOR_SIZE); |
| memcpy(dsi_video_mode_phy_db.ctrl, panel_physical_ctrl, |
| PHYSICAL_SIZE); |
| memcpy(dsi_video_mode_phy_db.strength, panel_strength_ctrl, |
| STRENGTH_SIZE); |
| memcpy(dsi_video_mode_phy_db.bistCtrl, panel_bist_ctrl, BIST_SIZE); |
| memcpy(dsi_video_mode_phy_db.laneCfg, panel_lane_config, LANE_SIZE); |
| } |
| |
| int gcdb_display_init(const char *panel_name, uint32_t rev, void *base) |
| { |
| int ret = NO_ERROR; |
| |
| if (!oem_panel_select(panel_name, &panelstruct, &(panel.panel_info), |
| &dsi_video_mode_phy_db)) { |
| dprintf(CRITICAL, "Target panel init not found!\n"); |
| ret = ERR_NOT_SUPPORTED; |
| goto error_gcdb_display_init; |
| } |
| init_platform_data(); |
| |
| if (dsi_panel_init(&(panel.panel_info), &panelstruct)) { |
| dprintf(CRITICAL, "DSI panel init failed!\n"); |
| ret = ERROR; |
| goto error_gcdb_display_init; |
| } |
| |
| panel.panel_info.mipi.mdss_dsi_phy_db = &dsi_video_mode_phy_db; |
| |
| panel.pll_clk_func = mdss_dsi_panel_clock; |
| panel.power_func = mdss_dsi_panel_power; |
| panel.pre_init_func = mdss_dsi_panel_pre_init; |
| panel.bl_func = mdss_dsi_bl_enable; |
| panel.fb.base = base; |
| panel.fb.width = panel.panel_info.xres; |
| panel.fb.height = panel.panel_info.yres; |
| panel.fb.stride = panel.panel_info.xres; |
| panel.fb.bpp = panel.panel_info.bpp; |
| panel.fb.format = panel.panel_info.mipi.dst_format; |
| panel.mdp_rev = rev; |
| |
| ret = msm_display_init(&panel); |
| |
| error_gcdb_display_init: |
| display_enable = ret ? 0 : 1; |
| return ret; |
| } |
| |
| void gcdb_display_shutdown(void) |
| { |
| if (display_enable) |
| msm_display_off(); |
| } |