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/* Copyright (c) 2012-2014, 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 "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* 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 <msm_panel.h>
#include <dev/pm8921.h>
#include <board.h>
#include <mdp4.h>
#include <target/display.h>
#include <target/board.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();
static int apq8064_lvds_panel_power(int enable)
{
if (enable) {
/* Enable LVS7 */
pm8921_low_voltage_switch_enable(lvs_7);
/* Set and enabale LDO2 1.2V for VDDA_LVDS_PLL*/
pm8921_ldo_set_voltage(LDO_2, LDO_VOLTAGE_1_2V);
/* Enable Ext 3.3V - MSM GPIO 77*/
/* TODO: IS this really needed? This wasn't even implemented correctly.
* GPIO enable was not happening.
*/
apq8064_ext_3p3V_enable();
apq8064_display_gpio_init();
/* Configure PMM MPP 3*/
pm8921_mpp_set_digital_output(mpp_3);
}
return 0;
}
static int apq8064_lvds_clock(int enable)
{
if (enable)
mdp_clock_init();
return 0;
}
static int fusion3_mtp_panel_power(int enable)
{
if (enable) {
/* Enable LVS7 */
pm8921_low_voltage_switch_enable(7);
/* Set and enabale LDO2 1.2V for VDDA_MIPI_DSI0/1_PLL */
pm8921_ldo_set_voltage(LDO_2, LDO_VOLTAGE_1_2V);
/* Set and enabale LDO11 3.0V for LCD1_MIPI_AVDD */
pm8921_ldo_set_voltage(LDO_11, LDO_VOLTAGE_3_0V);
apq8064_display_gpio_init();
}
return 0;
}
static int fusion3_mtp_clock(int enable)
{
if (enable) {
mdp_clock_init();
mmss_clock_init();
} else if(!target_cont_splash_screen()) {
mmss_clock_disable();
}
return 0;
}
static void msm8960_backlight_on(void)
{
struct pm8921_gpio backlight_pwm = {
.direction = PM_GPIO_DIR_OUT,
.output_buffer = 0,
.output_value = 0,
.pull = PM_GPIO_PULL_NO,
.vin_sel = 2,
.out_strength = PM_GPIO_STRENGTH_HIGH,
.function = PM_GPIO_FUNC_1,
.inv_int_pol = 0,
};
int rc = pm8921_gpio_config(PM_GPIO(24), &backlight_pwm);
if (rc)
dprintf(CRITICAL, "FAIL pm8921_gpio_config(): rc=%d.\n", rc);
}
/* Pull DISP_RST_N high to get panel out of reset */
static void msm8960_mipi_panel_reset(void)
{
struct pm8921_gpio gpio43_param = {
.direction = PM_GPIO_DIR_OUT,
.output_buffer = 0,
.output_value = 1,
.pull = PM_GPIO_PULL_UP_30,
.vin_sel = 2,
.out_strength = PM_GPIO_STRENGTH_HIGH,
.function = PM_GPIO_FUNC_PAIRED,
.inv_int_pol = 0,
.disable_pin = 0,
};
pm8921_gpio_config(PM_GPIO(43), &gpio43_param);
}
static int msm8960_mipi_panel_clock(int enable)
{
if (enable) {
mdp_clock_init();
mmss_clock_init();
} else if(!target_cont_splash_screen()) {
mmss_clock_disable();
}
return 0;
}
static int mpq8064_hdmi_panel_clock(int enable)
{
if (enable)
mdp_clock_init();
hdmi_app_clk_init(enable);
return 0;
}
static int mpq8064_hdmi_panel_power(int enable)
{
if (enable)
hdmi_power_init();
return 0;
}
static int msm8960_liquid_mipi_panel_clock(int enable)
{
if (enable) {
mdp_clock_init();
liquid_mmss_clock_init(); /* 240 MHZ MIPI-DSI clk */
} else if(!target_cont_splash_screen()) {
mmss_clock_disable();
}
return 0;
}
static int msm8960_mipi_panel_power(int enable)
{
if (enable) {
msm8960_backlight_on();
/* Turn on LDO8 for lcd1 mipi vdd */
pm8921_ldo_set_voltage(LDO_8, LDO_VOLTAGE_3_0V);
/* Turn on LDO23 for lcd1 mipi vddio */
pm8921_ldo_set_voltage(LDO_23, LDO_VOLTAGE_1_8V);
/* Turn on LDO2 for vdda_mipi_dsi */
pm8921_ldo_set_voltage(LDO_2, LDO_VOLTAGE_1_2V);
msm8960_mipi_panel_reset();
}
return 0;
}
#define PM_GPIO_VIN_VPH 0 /* 3v ~ 4.4v */
#define PM_GPIO_VIN_BB 1 /* ~3.3v */
#define PM_GPIO_VIN_S4 2 /* 1.8v */
#define PM_GPIO_VIN_L15 3
static int msm8960_liquid_mipi_panel_power(int enable)
{
if (enable) {
static int gpio17, gpio21, gpio43 ;
int rc;
struct pm8921_gpio gpio_config = {
.direction = PM_GPIO_DIR_OUT,
.output_buffer = 0,
.output_value = 1,
.pull = PM_GPIO_PULL_NO,
.vin_sel = PM_GPIO_VIN_S4,
.out_strength = PM_GPIO_STRENGTH_HIGH,
.function = PM_GPIO_FUNC_NORMAL,
.inv_int_pol = 0,
.disable_pin = 0,
};
/* Note: PWM is controlled by PM-GPIO#24 */
gpio17 = PM_GPIO(17); /* ext_3p3v */
gpio21 = PM_GPIO(21); /* disp power enable_n , vin=VPH-PWR */
gpio43 = PM_GPIO(43); /* Displays Enable (rst_n) */
gpio_config.output_value = 1;
rc = pm8921_gpio_config(gpio17, &gpio_config);
mdelay(100);
gpio_config.output_value = 0;
/* disp disable (resx=0) */
rc = pm8921_gpio_config(gpio43, &gpio_config);
mdelay(100);
gpio_config.output_value = 0;
gpio_config.vin_sel = PM_GPIO_VIN_VPH; /* VPH_PWR */
/* disp power enable_n */
rc = pm8921_gpio_config(gpio21, &gpio_config);
mdelay(100);
gpio_config.output_value = 1;
gpio_config.vin_sel = PM_GPIO_VIN_S4;
/* disp enable */
rc = pm8921_gpio_config(gpio43, &gpio_config);
mdelay(100);
pm8921_low_voltage_switch_enable(lvs_4); /* S4 1.8 V */
/* Turn on LDO2 for vdda_mipi_dsi */
pm8921_ldo_set_voltage(LDO_2, LDO_VOLTAGE_1_2V);
msm8960_backlight_on();
}
return 0;
}
void target_display_init(void)
{
int target_id = board_target_id();
dprintf(INFO, "display_init(),target_id=%d.\n", target_id);
switch (target_id) {
case LINUX_MACHTYPE_8960_LIQUID:
mipi_chimei_video_wxga_init(&(panel.panel_info));
/*
* mipi_chimei_wxga panel not supported yet in LK.
* However, MIPI clocks and power should be set in LK.
*/
panel.clk_func = msm8960_liquid_mipi_panel_clock;
panel.power_func = msm8960_liquid_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_44;
break;
case LINUX_MACHTYPE_8064_CDP:
lvds_chimei_wxga_init(&(panel.panel_info));
panel.clk_func = apq8064_lvds_clock;
panel.power_func = apq8064_lvds_panel_power;
panel.fb.base = 0x80B00000;
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_44;
break;
case LINUX_MACHTYPE_8064_MTP:
mipi_toshiba_video_wsvga_init(&(panel.panel_info));
panel.clk_func = fusion3_mtp_clock;
panel.power_func = fusion3_mtp_panel_power;
panel.fb.base = 0x89000000;
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_44;
break;
case LINUX_MACHTYPE_8960_CDP:
case LINUX_MACHTYPE_8960_MTP:
case LINUX_MACHTYPE_8960_FLUID:
mipi_toshiba_video_wsvga_init(&(panel.panel_info));
panel.clk_func = msm8960_mipi_panel_clock;
panel.power_func = msm8960_mipi_panel_power;
panel.fb.base = 0x89000000;
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_42;
break;
case LINUX_MACHTYPE_8064_MPQ_CDP:
case LINUX_MACHTYPE_8064_MPQ_HRD:
case LINUX_MACHTYPE_8064_MPQ_DTV:
hdmi_msm_panel_init(&panel.panel_info);
panel.clk_func = mpq8064_hdmi_panel_clock;
panel.power_func = mpq8064_hdmi_panel_power;
panel.fb.base = 0x89000000;
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_RGB565;
panel.mdp_rev = MDP_REV_44;
hdmi_set_fb_addr(panel.fb.base);
break;
default:
return;
};
if (msm_display_init(&panel)) {
dprintf(CRITICAL, "Display init failed!\n");
return;
}
display_enable = 1;
}
void target_display_shutdown(void)
{
if (display_enable) {
msm_display_off();
}
}
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