mirror of
https://github.com/CTCaer/hekate.git
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229 lines
6.6 KiB
C
Executable file
229 lines
6.6 KiB
C
Executable file
/*
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* Copyright (c) 2018 naehrwert
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* Copyright (C) 2018 CTCaer
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <string.h>
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#include "di.h"
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#include "t210.h"
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#include "util.h"
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#include "i2c.h"
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#include "pmc.h"
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#include "max77620.h"
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#include "gpio.h"
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#include "pinmux.h"
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#include "di.inl"
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static u32 _display_ver = 0;
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static void _display_dsi_wait(u32 timeout, u32 off, u32 mask)
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{
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u32 end = TMR(0x10) + timeout;
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while (TMR(0x10) < end && DSI(off) & mask)
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;
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sleep(5);
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}
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void display_init()
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{
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//Power on.
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i2c_send_byte(I2C_5, 0x3C, MAX77620_REG_LDO0_CFG, 0xD0); //Configure to 1.2V.
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i2c_send_byte(I2C_5, 0x3C, MAX77620_REG_GPIO7, 0x09);
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//Enable MIPI CAL, DSI, DISP1, HOST1X, UART_FST_MIPI_CAL, DSIA LP clocks.
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CLOCK(0x30C) = 0x1010000;
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CLOCK(0x328) = 0x1010000;
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CLOCK(0x304) = 0x18000000;
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CLOCK(0x320) = 0x18000000;
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CLOCK(0x284) = 0x20000;
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CLOCK(0x66C) = 0xA;
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CLOCK(0x448) = 0x80000;
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CLOCK(0x620) = 0xA;
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//DPD idle.
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PMC(APBDEV_PMC_IO_DPD_REQ) = 0x40000000;
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PMC(APBDEV_PMC_IO_DPD2_REQ) = 0x40000000;
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//Config pins.
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PINMUX_AUX(PINMUX_AUX_NFC_EN) &= ~PINMUX_TRISTATE;
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PINMUX_AUX(PINMUX_AUX_NFC_INT) &= ~PINMUX_TRISTATE;
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PINMUX_AUX(PINMUX_AUX_LCD_BL_PWM) &= ~PINMUX_TRISTATE;
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PINMUX_AUX(PINMUX_AUX_LCD_BL_EN) &= ~PINMUX_TRISTATE;
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PINMUX_AUX(PINMUX_AUX_LCD_RST) &= ~PINMUX_TRISTATE;
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gpio_config(GPIO_PORT_I, GPIO_PIN_0 | GPIO_PIN_1, GPIO_MODE_GPIO); //Backlight +-5V.
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gpio_output_enable(GPIO_PORT_I, GPIO_PIN_0 | GPIO_PIN_1, GPIO_OUTPUT_ENABLE); //Backlight +-5V.
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gpio_write(GPIO_PORT_I, GPIO_PIN_0, GPIO_HIGH); //Backlight +5V enable.
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sleep(10000);
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gpio_write(GPIO_PORT_I, GPIO_PIN_1, GPIO_HIGH); //Backlight -5V enable.
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sleep(10000);
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gpio_config(GPIO_PORT_V, GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2, GPIO_MODE_GPIO); //Backlight PWM, Enable, Reset.
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gpio_output_enable(GPIO_PORT_V, GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2, GPIO_OUTPUT_ENABLE);
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gpio_write(GPIO_PORT_V, GPIO_PIN_1, GPIO_HIGH); //Backlight Enable enable.
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//Config display interface and display.
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MIPI_CAL(0x60) = 0;
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exec_cfg((u32 *)CLOCK_BASE, _display_config_1, 4);
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exec_cfg((u32 *)DISPLAY_A_BASE, _display_config_2, 94);
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exec_cfg((u32 *)DSI_BASE, _display_config_3, 60);
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sleep(10000);
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gpio_write(GPIO_PORT_V, GPIO_PIN_2, GPIO_HIGH); //Backlight Reset enable.
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sleep(60000);
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DSI(_DSIREG(DSI_BTA_TIMING)) = 0x50204;
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DSI(_DSIREG(DSI_WR_DATA)) = 0x337;
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DSI(_DSIREG(DSI_TRIGGER)) = DSI_TRIGGER_HOST;
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_display_dsi_wait(250000, _DSIREG(DSI_TRIGGER), DSI_TRIGGER_HOST | DSI_TRIGGER_VIDEO);
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DSI(_DSIREG(DSI_WR_DATA)) = 0x406;
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DSI(_DSIREG(DSI_TRIGGER)) = DSI_TRIGGER_HOST;
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_display_dsi_wait(250000, _DSIREG(DSI_TRIGGER), DSI_TRIGGER_HOST | DSI_TRIGGER_VIDEO);
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DSI(_DSIREG(DSI_HOST_CONTROL)) = DSI_HOST_CONTROL_TX_TRIG_HOST | DSI_HOST_CONTROL_IMM_BTA | DSI_HOST_CONTROL_CS | DSI_HOST_CONTROL_ECC;
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_display_dsi_wait(150000, _DSIREG(DSI_HOST_CONTROL), DSI_HOST_CONTROL_IMM_BTA);
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sleep(5000);
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_display_ver = DSI(_DSIREG(DSI_RD_DATA));
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if (_display_ver == 0x10)
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exec_cfg((u32 *)DSI_BASE, _display_config_4, 43);
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DSI(_DSIREG(DSI_WR_DATA)) = 0x1105;
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DSI(_DSIREG(DSI_TRIGGER)) = DSI_TRIGGER_HOST;
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sleep(180000);
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DSI(_DSIREG(DSI_WR_DATA)) = 0x2905;
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DSI(_DSIREG(DSI_TRIGGER)) = DSI_TRIGGER_HOST;
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sleep(20000);
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exec_cfg((u32 *)DSI_BASE, _display_config_5, 21);
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exec_cfg((u32 *)CLOCK_BASE, _display_config_6, 3);
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DISPLAY_A(_DIREG(DC_DISP_DISP_CLOCK_CONTROL)) = 4;
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exec_cfg((u32 *)DSI_BASE, _display_config_7, 10);
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sleep(10000);
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exec_cfg((u32 *)MIPI_CAL_BASE, _display_config_8, 6);
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exec_cfg((u32 *)DSI_BASE, _display_config_9, 4);
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exec_cfg((u32 *)MIPI_CAL_BASE, _display_config_10, 16);
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sleep(10000);
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exec_cfg((u32 *)DISPLAY_A_BASE, _display_config_11, 113);
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}
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void display_backlight(u8 enable)
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{
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gpio_write(GPIO_PORT_V, GPIO_PIN_0, enable ? GPIO_HIGH : GPIO_LOW); //Backlight PWM.
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}
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void display_end()
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{
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display_backlight(0);
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//TODO: figure out why this freezes.
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/*DSI(_DSIREG(DSI_VIDEO_MODE_CONTROL)) = 1;
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DSI(_DSIREG(DSI_WR_DATA)) = 0x2805;
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u32 end = HOST1X(0x30A4) + 5;
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while (HOST1X(0x30A4) < end)
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;
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DISPLAY_A(_DIREG(DC_CMD_STATE_ACCESS)) = READ_MUX | WRITE_MUX;
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DSI(_DSIREG(DSI_VIDEO_MODE_CONTROL)) = 0;
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exec_cfg((u32 *)DISPLAY_A_BASE, _display_config_12, 17);
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exec_cfg((u32 *)DSI_BASE, _display_config_13, 16);
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sleep(10000);
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if (_display_ver == 0x10)
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exec_cfg((u32 *)DSI_BASE, _display_config_14, 22);
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DSI(_DSIREG(DSI_WR_DATA)) = 0x1005;
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DSI(_DSIREG(DSI_TRIGGER)) = DSI_TRIGGER_HOST;
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sleep(50000);
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//gpio_write(GPIO_PORT_V, GPIO_PIN_2, GPIO_LOW); //Backlight Reset disable.
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//sleep(10000);
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//gpio_write(GPIO_PORT_I, GPIO_PIN_1, GPIO_LOW); //Backlight -5V disable.
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//sleep(10000);
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//gpio_write(GPIO_PORT_I, GPIO_PIN_0, GPIO_LOW); //Backlight +5V disable.
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//sleep(10000);
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//Disable clocks.
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CLOCK(0x308) = 0x1010000;
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CLOCK(0x32C) = 0x1010000;
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CLOCK(0x300) = 0x18000000;
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CLOCK(0x324) = 0x18000000;
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DSI(_DSIREG(DSI_PAD_CONTROL_0)) = DSI_PAD_CONTROL_VS1_PULLDN_CLK | DSI_PAD_CONTROL_VS1_PULLDN(0xF) | DSI_PAD_CONTROL_VS1_PDIO_CLK | DSI_PAD_CONTROL_VS1_PDIO(0xF);
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DSI(_DSIREG(DSI_POWER_CONTROL)) = 0;*/
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gpio_config(GPIO_PORT_V, GPIO_PIN_0, GPIO_MODE_SPIO); //Backlight PWM.
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PINMUX_AUX(PINMUX_AUX_LCD_BL_PWM) = (PINMUX_AUX(PINMUX_AUX_LCD_BL_PWM) & ~PINMUX_TRISTATE) | PINMUX_TRISTATE;
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PINMUX_AUX(PINMUX_AUX_LCD_BL_PWM) = (PINMUX_AUX(PINMUX_AUX_LCD_BL_PWM) >> 2) << 2 | 1;
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}
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void display_color_screen(u32 color)
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{
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exec_cfg((u32 *)DISPLAY_A_BASE, cfg_display_one_color, 8);
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//Configure display to show single color.
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DISPLAY_A(_DIREG(DC_WIN_AD_WIN_OPTIONS)) = 0;
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DISPLAY_A(_DIREG(DC_WIN_BD_WIN_OPTIONS)) = 0;
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DISPLAY_A(_DIREG(DC_WIN_CD_WIN_OPTIONS)) = 0;
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DISPLAY_A(_DIREG(DC_DISP_BLEND_BACKGROUND_COLOR)) = color;
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DISPLAY_A(_DIREG(DC_CMD_STATE_CONTROL)) = (DISPLAY_A(_DIREG(DC_CMD_STATE_CONTROL)) & 0xFFFFFFFE) | GENERAL_ACT_REQ;
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sleep(35000);
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display_backlight(1);
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}
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u32 *display_init_framebuffer()
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{
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//Sanitize framebuffer area. Aligned to 4MB.
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memset((u32 *)0xC0000000, 0, 0x400000);
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//This configures the framebuffer @ 0xC0000000 with a resolution of 1280x720 (line stride 768).
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exec_cfg((u32 *)DISPLAY_A_BASE, cfg_display_framebuffer, 32);
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sleep(35000);
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//Enable backlight
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//display_backlight(1);
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return (u32 *)0xC0000000;
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}
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