M7350/bootable/bootloader/lk/target/mdm9635/qpic_panel_drv.c

187 lines
5.4 KiB
C
Raw Normal View History

2024-09-09 08:57:42 +00:00
/* Copyright (c) 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 <endian.h>
#include <platform/gpio.h>
#include <platform/clock.h>
#include <regulator.h>
#include <rpm-smd.h>
#include <platform/timer.h>
#include "qpic.h"
#include "qpic_panel.h"
#define GPIOMUX_FUNC_1 1
#define GPIOMUX_FUNC_GPIO 0
#define RST_GPIO_ID 23
#define CS_GPIO_ID 21
#define AD8_GPIO_ID 20
#define TE_GPIO_ID 22
#define BL_GPIO_ID 84
#define MEM_ACCESS_MODE 0x48
#define MEM_ACCESS_FORMAT 0x66
static uint32_t ldo6[][11] = {
{
LDOA_RES_TYPE, 6,
KEY_SOFTWARE_ENABLE, 4, GENERIC_DISABLE,
KEY_LDO_SOFTWARE_MODE, 4, SW_MODE_LDO_IPEAK,
KEY_MICRO_VOLT, 4, 0,
},
{
LDOA_RES_TYPE, 6,
KEY_SOFTWARE_ENABLE, 4, GENERIC_ENABLE,
KEY_LDO_SOFTWARE_MODE, 4, SW_MODE_LDO_IPEAK,
KEY_MICRO_VOLT, 4, 1800000,
},
};
static uint32_t ldo12[][11] = {
{
LDOA_RES_TYPE, 12,
KEY_SOFTWARE_ENABLE, 4, GENERIC_DISABLE,
KEY_LDO_SOFTWARE_MODE, 4, SW_MODE_LDO_IPEAK,
KEY_MICRO_VOLT, 4, 0,
},
{
LDOA_RES_TYPE, 12,
KEY_SOFTWARE_ENABLE, 4, GENERIC_ENABLE,
KEY_LDO_SOFTWARE_MODE, 4, SW_MODE_LDO_IPEAK,
KEY_MICRO_VOLT, 4, 2700000,
},
};
static void panel_io_off(struct qpic_panel_io_desc *qpic_panel_io)
{
/* Turning off all gpios */
gpio_tlmm_config(RST_GPIO_ID, GPIOMUX_FUNC_1, GPIO_INPUT, GPIO_NO_PULL,
GPIO_10MA, GPIO_DISABLE);
gpio_tlmm_config(CS_GPIO_ID, GPIOMUX_FUNC_1, GPIO_INPUT, GPIO_NO_PULL,
GPIO_10MA, GPIO_DISABLE);
gpio_tlmm_config(AD8_GPIO_ID, GPIOMUX_FUNC_1, GPIO_INPUT, GPIO_NO_PULL,
GPIO_10MA, GPIO_DISABLE);
gpio_tlmm_config(TE_GPIO_ID, GPIOMUX_FUNC_1, GPIO_INPUT, GPIO_NO_PULL,
GPIO_10MA, GPIO_DISABLE);
gpio_tlmm_config(BL_GPIO_ID, GPIOMUX_FUNC_GPIO, GPIO_INPUT, GPIO_NO_PULL,
GPIO_10MA, GPIO_ENABLE);
gpio_set(BL_GPIO_ID, 0x0);
/* Disabling vdd & avdd voltage */
rpm_send_data(&ldo6[GENERIC_DISABLE][0], 36, RPM_REQUEST_TYPE);
rpm_send_data(&ldo12[GENERIC_DISABLE][0], 36, RPM_REQUEST_TYPE);
/* uninitializing smd */
rpm_smd_uninit();
return;
}
void ili9341_off(struct qpic_panel_io_desc *qpic_panel_io)
{
panel_io_off(qpic_panel_io);
}
static int panel_io_on(struct qpic_panel_io_desc *qpic_panel_io)
{
int rc = 0;
/* Setting vdd & avdd voltage */
rpm_send_data(&ldo6[GENERIC_ENABLE][0], 36, RPM_REQUEST_TYPE);
rpm_send_data(&ldo12[GENERIC_ENABLE][0], 36, RPM_REQUEST_TYPE);
/* Turning on all gpios */
gpio_tlmm_config(RST_GPIO_ID, GPIOMUX_FUNC_1, GPIO_INPUT,GPIO_NO_PULL,
GPIO_10MA, GPIO_ENABLE);
gpio_tlmm_config(CS_GPIO_ID, GPIOMUX_FUNC_1, GPIO_INPUT,GPIO_NO_PULL,
GPIO_10MA, GPIO_ENABLE);
gpio_tlmm_config(AD8_GPIO_ID, GPIOMUX_FUNC_1, GPIO_INPUT,GPIO_NO_PULL,
GPIO_10MA, GPIO_ENABLE);
gpio_tlmm_config(TE_GPIO_ID, GPIOMUX_FUNC_1, GPIO_INPUT,GPIO_NO_PULL,
GPIO_10MA, GPIO_ENABLE);
gpio_tlmm_config(BL_GPIO_ID, GPIOMUX_FUNC_GPIO, GPIO_INPUT, GPIO_NO_PULL,
GPIO_10MA, GPIO_DISABLE);
gpio_set(BL_GPIO_ID, 0x2);
mdelay(20);
return rc;
}
int ili9341_on(struct qpic_panel_io_desc *qpic_panel_io)
{
uint8_t param[4];
int ret;
ret = panel_io_on(qpic_panel_io);
if (ret)
return ret;
qpic_send_pkt(OP_SOFT_RESET, NULL, 0);
/* wait for 120 ms after reset as panel spec suggests */
mdelay(120);
qpic_send_pkt(OP_SET_DISPLAY_OFF, NULL, 0);
/* wait for 20 ms after disply off */
mdelay(20);
/* set memory access control */
param[0] = MEM_ACCESS_MODE;
qpic_send_pkt(OP_SET_ADDRESS_MODE, param, 1);
/* wait for 20 ms after command sent as panel spec suggests */
mdelay(20);
param[0] = MEM_ACCESS_FORMAT;
qpic_send_pkt(OP_SET_PIXEL_FORMAT, param, 1);
mdelay(20);
/* set interface */
param[0] = 1;
param[1] = 0;
param[2] = 0;
qpic_send_pkt(OP_ILI9341_INTERFACE_CONTROL, param, 3);
mdelay(20);
qpic_send_pkt(OP_EXIT_SLEEP_MODE, NULL, 0);
mdelay(20);
qpic_send_pkt(OP_ENTER_NORMAL_MODE, NULL, 0);
mdelay(20);
qpic_send_pkt(OP_SET_DISPLAY_ON, NULL, 0);
mdelay(20);
param[0] = 0;
qpic_send_pkt(OP_ILI9341_TEARING_EFFECT_LINE_ON, param, 1);
param[0] = qpic_read_data(OP_GET_PIXEL_FORMAT, 1);
return 0;
}