| /* Copyright (c) 2012-2013, 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 <smem.h> |
| #include <msm_panel.h> |
| #include <pm8x41.h> |
| #include <pm8x41_wled.h> |
| #include <board.h> |
| #include <mdp5.h> |
| #include <platform/gpio.h> |
| #include <platform/clock.h> |
| #include <platform/iomap.h> |
| #include <target/display.h> |
| |
| static struct msm_fb_panel_data panel; |
| static uint8_t display_enable; |
| |
| extern int msm_display_init(struct msm_fb_panel_data *pdata); |
| extern int msm_display_off(); |
| extern int mdss_dsi_uniphy_pll_config(uint32_t ctl_base); |
| extern int mdss_sharp_dsi_uniphy_pll_config(uint32_t ctl_base); |
| |
| static struct pm8x41_wled_data wled_ctrl = { |
| .mod_scheme = 0xC3, |
| .led1_brightness = (0x0F << 8) | 0xEF, |
| .led2_brightness = (0x0F << 8) | 0xEF, |
| .led3_brightness = (0x0F << 8) | 0xEF, |
| .max_duty_cycle = 0x01, |
| .ovp = 0x2, |
| .full_current_scale = 0x19 |
| }; |
| |
| static int msm8974_backlight_on() |
| { |
| uint32_t platform_id = board_platform_id(); |
| uint32_t hardware_id = board_hardware_id(); |
| uint8_t slave_id = 1, i; |
| struct board_pmic_data *pmic_info; |
| |
| if (platform_id == MSM8974AC) |
| if ((hardware_id == HW_PLATFORM_SURF) |
| || (hardware_id == HW_PLATFORM_MTP) |
| || (hardware_id == HW_PLATFORM_LIQUID)) |
| slave_id = 3; |
| |
| pm8x41_wled_config_slave_id(slave_id); |
| pm8x41_wled_config(&wled_ctrl); |
| pm8x41_wled_sink_control(1); |
| pm8x41_wled_iled_sync_control(1); |
| pm8x41_wled_enable(1); |
| |
| return 0; |
| } |
| |
| static int msm8974_mdss_dsi_panel_clock(uint8_t enable) |
| { |
| uint32_t dual_dsi = panel.panel_info.mipi.dual_dsi; |
| if (enable) { |
| mdp_gdsc_ctrl(enable); |
| mdp_clock_init(); |
| mdss_dsi_uniphy_pll_config(MIPI_DSI0_BASE); |
| if (panel.panel_info.mipi.dual_dsi && |
| !(panel.panel_info.mipi.broadcast)) |
| mdss_dsi_uniphy_pll_config(MIPI_DSI1_BASE); |
| mmss_clock_init(DSI0_PHY_PLL_OUT, dual_dsi); |
| } else if(!target_cont_splash_screen()) { |
| // * Add here for continuous splash * |
| mmss_clock_disable(dual_dsi); |
| mdp_clock_disable(dual_dsi); |
| mdp_gdsc_ctrl(enable); |
| } |
| |
| return 0; |
| } |
| |
| static int msm8974_mdss_sharp_dsi_panel_clock(uint8_t enable) |
| { |
| if (enable) { |
| mdp_gdsc_ctrl(enable); |
| mdp_clock_init(); |
| mdss_sharp_dsi_uniphy_pll_config(MIPI_DSI0_BASE); |
| mmss_clock_init(DSI0_PHY_PLL_OUT); |
| } else if (!target_cont_splash_screen()) { |
| /* Add here for continuous splash */ |
| mmss_clock_disable(); |
| mdp_clock_disable(); |
| mdp_gdsc_ctrl(enable); |
| } |
| |
| return 0; |
| } |
| |
| /* Pull DISP_RST_N high to get panel out of reset */ |
| static void msm8974_mdss_mipi_panel_reset(uint8_t enable) |
| { |
| uint32_t rst_gpio = 19; |
| uint32_t platform_id = board_platform_id(); |
| uint32_t hardware_id = board_hardware_id(); |
| |
| struct pm8x41_gpio gpio_param = { |
| .direction = PM_GPIO_DIR_OUT, |
| .output_buffer = PM_GPIO_OUT_CMOS, |
| .out_strength = PM_GPIO_OUT_DRIVE_MED, |
| }; |
| |
| if (platform_id == MSM8974AC) |
| if ((hardware_id == HW_PLATFORM_SURF) |
| || (hardware_id == HW_PLATFORM_MTP) |
| || (hardware_id == HW_PLATFORM_LIQUID)) |
| rst_gpio = 20; |
| |
| dprintf(SPEW, "platform_id: %u, rst_gpio: %u\n", |
| platform_id, rst_gpio); |
| |
| pm8x41_gpio_config(rst_gpio, &gpio_param); |
| if (enable) { |
| gpio_tlmm_config(58, 0, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_8MA, GPIO_DISABLE); |
| |
| pm8x41_gpio_set(rst_gpio, PM_GPIO_FUNC_HIGH); |
| mdelay(2); |
| pm8x41_gpio_set(rst_gpio, PM_GPIO_FUNC_LOW); |
| mdelay(5); |
| pm8x41_gpio_set(rst_gpio, PM_GPIO_FUNC_HIGH); |
| mdelay(2); |
| gpio_set(58, 2); |
| } else { |
| gpio_param.out_strength = PM_GPIO_OUT_DRIVE_LOW; |
| pm8x41_gpio_config(rst_gpio, &gpio_param); |
| pm8x41_gpio_set(rst_gpio, PM_GPIO_FUNC_LOW); |
| gpio_set(58, 2); |
| } |
| } |
| |
| static int msm8974_mipi_panel_power(uint8_t enable) |
| { |
| |
| struct pm8x41_ldo ldo2 = LDO(PM8x41_LDO2, NLDO_TYPE); |
| struct pm8x41_ldo ldo12 = LDO(PM8x41_LDO12, PLDO_TYPE); |
| struct pm8x41_ldo ldo22 = LDO(PM8x41_LDO22, PLDO_TYPE); |
| |
| if (enable) { |
| |
| /* Enable backlight */ |
| msm8974_backlight_on(); |
| |
| /* Turn on LDO8 for lcd1 mipi vdd */ |
| dprintf(SPEW, " Setting LDO22\n"); |
| pm8x41_ldo_set_voltage(&ldo22, 3000000); |
| pm8x41_ldo_control(&ldo22, enable); |
| |
| dprintf(SPEW, " Setting LDO12\n"); |
| /* Turn on LDO23 for lcd1 mipi vddio */ |
| pm8x41_ldo_set_voltage(&ldo12, 1800000); |
| pm8x41_ldo_control(&ldo12, enable); |
| |
| dprintf(SPEW, " Setting LDO2\n"); |
| /* Turn on LDO2 for vdda_mipi_dsi */ |
| pm8x41_ldo_set_voltage(&ldo2, 1200000); |
| pm8x41_ldo_control(&ldo2, enable); |
| |
| dprintf(SPEW, " Panel Reset \n"); |
| /* Panel Reset */ |
| msm8974_mdss_mipi_panel_reset(enable); |
| dprintf(SPEW, " Panel Reset Done\n"); |
| } else { |
| msm8974_mdss_mipi_panel_reset(enable); |
| pm8x41_wled_enable(enable); |
| pm8x41_ldo_control(&ldo2, enable); |
| pm8x41_ldo_control(&ldo22, enable); |
| |
| } |
| |
| return 0; |
| } |
| |
| void display_init(void) |
| { |
| uint32_t hw_id = board_hardware_id(); |
| uint32_t soc_ver = board_soc_version(); |
| |
| dprintf(INFO, "display_init(),target_id=%d.\n", hw_id); |
| |
| switch (hw_id) { |
| case HW_PLATFORM_MTP: |
| case HW_PLATFORM_FLUID: |
| case HW_PLATFORM_SURF: |
| mipi_toshiba_video_720p_init(&(panel.panel_info)); |
| panel.clk_func = msm8974_mdss_dsi_panel_clock; |
| panel.power_func = msm8974_mipi_panel_power; |
| panel.fb.base = MIPI_FB_ADDR; |
| 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 = FB_FORMAT_RGB888; |
| panel.mdp_rev = MDP_REV_50; |
| break; |
| case HW_PLATFORM_DRAGON: |
| mipi_sharp_video_qhd_init(&(panel.panel_info)); |
| wled_ctrl.ovp = 0x1; /* 32V */ |
| wled_ctrl.full_current_scale = 0x14; /* 20mA */ |
| panel.clk_func = msm8974_mdss_sharp_dsi_panel_clock; |
| panel.power_func = msm8974_mipi_panel_power; |
| panel.fb.base = MIPI_FB_ADDR; |
| 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 = FB_FORMAT_RGB888; |
| panel.mdp_rev = MDP_REV_50; |
| break; |
| default: |
| return; |
| }; |
| |
| if (msm_display_init(&panel)) { |
| dprintf(CRITICAL, "Display init failed!\n"); |
| return; |
| } |
| |
| display_enable = 1; |
| } |
| |
| void display_shutdown(void) |
| { |
| if (display_enable) |
| msm_display_off(); |
| } |