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/* 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 "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 <smem.h>
#include <err.h>
#include <msm_panel.h>
#include <mipi_dsi.h>
#include <pm8x41.h>
#include <pm8x41_wled.h>
#include <board.h>
#include <platform/gpio.h>
#include <platform/iomap.h>
#include <pm_pwm.h>
#include <target/display.h>
#include "include/panel.h"
#include "include/display_resource.h"
#define MODE_GPIO_STATE_ENABLE 1
#define MODE_GPIO_STATE_DISABLE 2
#define GPIO_STATE_LOW 0
#define GPIO_STATE_HIGH 2
#define RESET_GPIO_SEQ_LEN 3
#define PWM_DUTY_US 13
#define PWM_PERIOD_US 27
int target_backlight_ctrl(struct backlight *bl, uint8_t enable)
{
struct pm8x41_mpp mpp;
int rc;
mpp.base = PM8x41_MMP3_BASE;
mpp.vin = MPP_VIN3;
if (enable) {
pm_pwm_enable(false);
rc = pm_pwm_config(PWM_DUTY_US, PWM_PERIOD_US);
if (rc < 0)
mpp.mode = MPP_HIGH;
else {
mpp.mode = MPP_DTEST1;
pm_pwm_enable(true);
}
pm8x41_config_output_mpp(&mpp);
pm8x41_enable_mpp(&mpp, MPP_ENABLE);
} else {
pm_pwm_enable(false);
pm8x41_enable_mpp(&mpp, MPP_DISABLE);
}
/* Need delay before power on regulators */
mdelay(20);
return 0;
}
int target_panel_clock(uint8_t enable, struct msm_panel_info *pinfo)
{
struct mdss_dsi_pll_config *pll_data;
dprintf(SPEW, "target_panel_clock\n");
pll_data = pinfo->mipi.dsi_pll_config;
if (enable) {
mdp_clock_enable();
dsi_clock_enable(
pll_data->byte_clock * pinfo->mipi.num_of_lanes,
pll_data->byte_clock);
} else if(!target_cont_splash_screen()) {
dsi_clock_disable();
mdp_clock_disable();
}
return 0;
}
int target_panel_reset(uint8_t enable, struct panel_reset_sequence *resetseq,
struct msm_panel_info *pinfo)
{
uint8_t i = 0;
dprintf(SPEW, "msm8610_mdss_mipi_panel_reset, enable = %d\n", enable);
if (enable) {
gpio_tlmm_config(reset_gpio.pin_id, 0,
reset_gpio.pin_direction, reset_gpio.pin_pull,
reset_gpio.pin_strength, reset_gpio.pin_state);
gpio_tlmm_config(mode_gpio.pin_id, 0,
mode_gpio.pin_direction, mode_gpio.pin_pull,
mode_gpio.pin_strength, mode_gpio.pin_state);
/* reset */
for (i = 0; i < RESET_GPIO_SEQ_LEN; i++) {
if (resetseq->pin_state[i] == GPIO_STATE_LOW)
gpio_set(reset_gpio.pin_id, GPIO_STATE_LOW);
else
gpio_set(reset_gpio.pin_id, GPIO_STATE_HIGH);
mdelay(resetseq->sleep[i]);
}
if (pinfo->mipi.mode_gpio_state == MODE_GPIO_STATE_ENABLE)
gpio_set(mode_gpio.pin_id, 2);
else if (pinfo->mipi.mode_gpio_state == MODE_GPIO_STATE_DISABLE)
gpio_set(mode_gpio.pin_id, 0);
} else if(!target_cont_splash_screen()) {
gpio_set(reset_gpio.pin_id, 0);
gpio_set(mode_gpio.pin_id, 0);
}
return 0;
}
int target_ldo_ctrl(uint8_t enable)
{
uint32_t ldocounter = 0;
uint32_t pm8x41_ldo_base = 0x13F00;
while (ldocounter < TOTAL_LDO_DEFINED) {
struct pm8x41_ldo ldo_entry = LDO((pm8x41_ldo_base +
0x100 * ldo_entry_array[ldocounter].ldo_id),
ldo_entry_array[ldocounter].ldo_type);
dprintf(SPEW, "Setting %s\n",
ldo_entry_array[ldocounter].ldo_id);
/* Set voltage during power on */
if (enable) {
pm8x41_ldo_set_voltage(&ldo_entry,
ldo_entry_array[ldocounter].ldo_voltage);
pm8x41_ldo_control(&ldo_entry, enable);
} else if(!target_cont_splash_screen()) {
pm8x41_ldo_control(&ldo_entry, enable);
}
ldocounter++;
}
return 0;
}
bool target_display_panel_node(char *panel_name, char *pbuf, uint16_t buf_size)
{
return gcdb_display_cmdline_arg(pbuf, buf_size);
}
void target_display_init(const char *panel_name)
{
uint32_t panel_loop = 0;
uint32_t ret = 0;
if (!strcmp(panel_name, NO_PANEL_CONFIG)) {
dprintf(INFO, "Skip panel configuration\n");
return;
}
do {
ret = gcdb_display_init(panel_name, MDP_REV_304, MIPI_FB_ADDR);
if (ret) {
/*Panel signature did not match, turn off the display*/
target_force_cont_splash_disable(true);
msm_display_off();
target_force_cont_splash_disable(false);
} else {
break;
}
} while (++panel_loop <= oem_panel_max_auto_detect_panels());
}
void target_display_shutdown(void)
{
gcdb_display_shutdown();
}