tft_driver.h

/*
 * Copyright (c) 2020 Raspberry Pi (Trading) Ltd.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

#ifndef SOFTWARE_TFT_DRIVER_H
#define SOFTWARE_TFT_DRIVER_H

// These register enumerations are not all used, but kept for possible future use
#define HX8357D 0xD
#define HX8357B 0xB7

#define HX8357_NOP     0x00
#define HX8357_SWRESET 0x01
#define HX8357_RDDID   0x04
#define HX8357_RDDST   0x09

#define HX8357_RDPOWMODE  0x0A
#define HX8357_RDMADCTL  0x0B
#define HX8357_RDCOLMOD  0x0C
#define HX8357_RDDIM  0x0D
#define HX8357_RDDSDR  0x0F

#define HX8357_SLPIN   0x10
#define HX8357_SLPOUT  0x11
#define HX8357B_PTLON   0x12
#define HX8357B_NORON   0x13

#define HX8357_INVOFF  0x20
#define HX8357_INVON   0x21
#define HX8357_DISPOFF 0x28
#define HX8357_DISPON  0x29

#define HX8357_CASET   0x2A
#define HX8357_PASET   0x2B
#define HX8357_RAMWR   0x2C
#define HX8357_RAMRD   0x2E

#define HX8357B_PTLAR   0x30
#define HX8357_TEON  0x35
#define HX8357_TEARLINE  0x44
#define HX8357_MADCTL  0x36
#define HX8357_COLMOD  0x3A

#define HX8357_SETOSC 0xB0
#define HX8357_SETPWR1 0xB1
#define HX8357B_SETDISPLAY 0xB2
#define HX8357_SETRGB 0xB3
#define HX8357D_SETCOM  0xB6

#define HX8357B_SETDISPMODE  0xB4
#define HX8357D_SETCYC  0xB4
#define HX8357B_SETOTP 0xB7
#define HX8357D_SETC 0xB9

#define HX8357B_SET_PANEL_DRIVING 0xC0
#define HX8357D_SETSTBA 0xC0
#define HX8357B_SETDGC  0xC1
#define HX8357B_SETID  0xC3
#define HX8357B_SETDDB  0xC4
#define HX8357B_SETDISPLAYFRAME 0xC5
#define HX8357B_GAMMASET 0xC8
#define HX8357B_SETCABC  0xC9
#define HX8357_SETPANEL  0xCC


#define HX8357B_SETPOWER 0xD0
#define HX8357B_SETVCOM 0xD1
#define HX8357B_SETPWRNORMAL 0xD2

#define HX8357B_RDID1   0xDA
#define HX8357B_RDID2   0xDB
#define HX8357B_RDID3   0xDC
#define HX8357B_RDID4   0xDD

#define HX8357D_SETGAMMA 0xE0

#define HX8357B_SETGAMMA 0xC8
#define HX8357B_SETPANELRELATED  0xE9

#define RS_PIN 24u
#define CS_PIN 25u
#define WR_PIN 26u
#define RST_PIN 27u

// don't care
#define FCS_PIN 0 //23

extern void tft_driver_init();
extern uint32_t *get_switch_buffer_sequence(uint *count, bool buffer);
extern uint32_t *get_control_sequence(uint w, uint y, uint *count, bool buffer);

#endif //SOFTWARE_TFT_DRIVER_H