184 lines
5.4 KiB
C
Executable File
184 lines
5.4 KiB
C
Executable File
/* 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_2 2
|
|
#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 68
|
|
|
|
#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_2, GPIO_INPUT, GPIO_NO_PULL,
|
|
GPIO_10MA, GPIO_DISABLE);
|
|
gpio_tlmm_config(CS_GPIO_ID, GPIOMUX_FUNC_2, GPIO_INPUT, GPIO_NO_PULL,
|
|
GPIO_10MA, GPIO_DISABLE);
|
|
gpio_tlmm_config(AD8_GPIO_ID, GPIOMUX_FUNC_2, GPIO_INPUT, GPIO_NO_PULL,
|
|
GPIO_10MA, GPIO_DISABLE);
|
|
gpio_tlmm_config(TE_GPIO_ID, GPIOMUX_FUNC_2, 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);
|
|
|
|
return;
|
|
}
|
|
|
|
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_2, GPIO_INPUT,GPIO_NO_PULL,
|
|
GPIO_10MA, GPIO_ENABLE);
|
|
gpio_tlmm_config(CS_GPIO_ID, GPIOMUX_FUNC_2, GPIO_INPUT,GPIO_NO_PULL,
|
|
GPIO_10MA, GPIO_ENABLE);
|
|
gpio_tlmm_config(AD8_GPIO_ID, GPIOMUX_FUNC_2, GPIO_INPUT,GPIO_NO_PULL,
|
|
GPIO_10MA, GPIO_ENABLE);
|
|
gpio_tlmm_config(TE_GPIO_ID, GPIOMUX_FUNC_2, 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;
|
|
}
|
|
|
|
void ili9341_off(struct qpic_panel_io_desc *qpic_panel_io)
|
|
{
|
|
panel_io_off(qpic_panel_io);
|
|
}
|
|
|
|
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;
|
|
}
|
|
|