217 lines
6.1 KiB
C
217 lines
6.1 KiB
C
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/* 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
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* are 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 copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* 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 BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <debug.h>
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#include <smem.h>
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#include <msm_panel.h>
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#include <pm8x41.h>
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#include <pm8x41_wled.h>
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#include <board.h>
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#include <mdp5.h>
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#include <platform/gpio.h>
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#include <platform/clock.h>
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#include <target/display.h>
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static struct msm_fb_panel_data panel;
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static uint8_t display_enable;
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extern int msm_display_init(struct msm_fb_panel_data *pdata);
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extern int msm_display_off();
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extern int mdss_dsi_uniphy_pll_config(void);
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extern int mdss_sharp_dsi_uniphy_pll_config(void);
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static int msm8974_backlight_on()
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{
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static struct pm8x41_wled_data wled_ctrl = {
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.mod_scheme = 0xC3,
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.led1_brightness = (0x0F << 8) | 0xEF,
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.led2_brightness = (0x0F << 8) | 0xEF,
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.led3_brightness = (0x0F << 8) | 0xEF,
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.max_duty_cycle = 0x01,
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};
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pm8x41_wled_config(&wled_ctrl);
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pm8x41_wled_sink_control(1);
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pm8x41_wled_iled_sync_control(1);
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pm8x41_wled_enable(1);
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return 0;
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}
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static int msm8974_mdss_dsi_panel_clock(uint8_t enable)
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{
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if (enable) {
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mdp_gdsc_ctrl(enable);
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mdp_clock_init();
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mdss_dsi_uniphy_pll_config();
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mmss_clock_init(DSI0_PHY_PLL_OUT);
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} else if(!target_cont_splash_screen()) {
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// * Add here for continuous splash *
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mmss_clock_disable();
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mdp_clock_disable();
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mdp_gdsc_ctrl(enable);
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}
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return 0;
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}
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static int msm8974_mdss_sharp_dsi_panel_clock(uint8_t enable)
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{
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if (enable) {
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mdp_gdsc_ctrl(enable);
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mdp_clock_init();
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mdss_sharp_dsi_uniphy_pll_config();
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mmss_clock_init(DSI0_PHY_PLL_OUT);
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} else if (!target_cont_splash_screen()) {
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/* Add here for continuous splash */
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mmss_clock_disable();
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mdp_clock_disable();
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mdp_gdsc_ctrl(enable);
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}
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return 0;
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}
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/* Pull DISP_RST_N high to get panel out of reset */
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static void msm8974_mdss_mipi_panel_reset(uint8_t enable)
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{
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struct pm8x41_gpio gpio19_param = {
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.direction = PM_GPIO_DIR_OUT,
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.output_buffer = PM_GPIO_OUT_CMOS,
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.out_strength = PM_GPIO_OUT_DRIVE_MED,
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};
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pm8x41_gpio_config(19, &gpio19_param);
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if (enable) {
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gpio_tlmm_config(58, 0, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_8MA, GPIO_DISABLE);
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pm8x41_gpio_set(19, PM_GPIO_FUNC_HIGH);
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mdelay(2);
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pm8x41_gpio_set(19, PM_GPIO_FUNC_LOW);
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mdelay(5);
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pm8x41_gpio_set(19, PM_GPIO_FUNC_HIGH);
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mdelay(2);
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gpio_set(58, 2);
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} else {
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gpio19_param.out_strength = PM_GPIO_OUT_DRIVE_LOW;
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pm8x41_gpio_config(19, &gpio19_param);
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pm8x41_gpio_set(19, PM_GPIO_FUNC_LOW);
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gpio_set(58, 2);
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}
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}
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static int msm8974_mipi_panel_power(uint8_t enable)
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{
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if (enable) {
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/* Enable backlight */
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msm8974_backlight_on();
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/* Turn on LDO8 for lcd1 mipi vdd */
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dprintf(SPEW, " Setting LDO22\n");
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pm8x41_ldo_set_voltage("LDO22", 3000000);
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pm8x41_ldo_control("LDO22", enable);
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dprintf(SPEW, " Setting LDO12\n");
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/* Turn on LDO23 for lcd1 mipi vddio */
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pm8x41_ldo_set_voltage("LDO12", 1800000);
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pm8x41_ldo_control("LDO12", enable);
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dprintf(SPEW, " Setting LDO2\n");
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/* Turn on LDO2 for vdda_mipi_dsi */
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pm8x41_ldo_set_voltage("LDO2", 1200000);
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pm8x41_ldo_control("LDO2", enable);
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dprintf(SPEW, " Panel Reset \n");
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/* Panel Reset */
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msm8974_mdss_mipi_panel_reset(enable);
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dprintf(SPEW, " Panel Reset Done\n");
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} else {
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msm8974_mdss_mipi_panel_reset(enable);
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pm8x41_wled_enable(enable);
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pm8x41_ldo_control("LDO2", enable);
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pm8x41_ldo_control("LDO22", enable);
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}
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return 0;
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}
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void display_init(void)
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{
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uint32_t hw_id = board_hardware_id();
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uint32_t soc_ver = board_soc_version();
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dprintf(INFO, "display_init(),target_id=%d.\n", hw_id);
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switch (hw_id) {
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case HW_PLATFORM_MTP:
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case HW_PLATFORM_FLUID:
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case HW_PLATFORM_SURF:
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mipi_toshiba_video_720p_init(&(panel.panel_info));
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panel.clk_func = msm8974_mdss_dsi_panel_clock;
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panel.power_func = msm8974_mipi_panel_power;
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panel.fb.base = MIPI_FB_ADDR;
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panel.fb.width = panel.panel_info.xres;
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panel.fb.height = panel.panel_info.yres;
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panel.fb.stride = panel.panel_info.xres;
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panel.fb.bpp = panel.panel_info.bpp;
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panel.fb.format = FB_FORMAT_RGB888;
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panel.mdp_rev = MDP_REV_50;
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break;
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case HW_PLATFORM_DRAGON:
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mipi_sharp_video_qhd_init(&(panel.panel_info));
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panel.clk_func = msm8974_mdss_sharp_dsi_panel_clock;
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panel.power_func = msm8974_mipi_panel_power;
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panel.fb.base = MIPI_FB_ADDR;
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panel.fb.width = panel.panel_info.xres;
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panel.fb.height = panel.panel_info.yres;
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panel.fb.stride = panel.panel_info.xres;
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panel.fb.bpp = panel.panel_info.bpp;
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panel.fb.format = FB_FORMAT_RGB888;
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panel.mdp_rev = MDP_REV_50;
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break;
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default:
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return;
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};
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if (msm_display_init(&panel)) {
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dprintf(CRITICAL, "Display init failed!\n");
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return;
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}
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display_enable = 1;
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}
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void display_shutdown(void)
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{
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if (display_enable)
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msm_display_off();
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}
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