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/*
* This file is subject to the terms of the GFX License. If a copy of
* the license was not distributed with this file, you can obtain one at:
*
* http://ugfx.io/license.html
*/
/**
* @file drivers/gdisp/RA8875/board_RA8875_marlin.h
* @brief GDISP Graphic Driver subsystem board interface for the RA8875 display.
*/
#ifndef _BOARD_RA8875_H
#define _BOARD_RA8875_H
// For a multiple display configuration we would put all this in a structure and then
// set g->board to that structure.
#define GDISP_RAM (*((volatile gU16 *) 0x68000000)) /* RS = 0 */
#define GDISP_REG (*((volatile gU16 *) 0x68020000)) /* RS = 1 */
#define FSMC_BANK 4
static GFXINLINE void init_board(GDisplay *g) {
// As we are not using multiple displays we set g->board to NULL as we don't use it.
g->board = 0;
switch(g->controllerdisplay) {
// setup for display 0
case 0: {
// enable the FSMC peripheral
rccEnableAHB3(RCC_AHB3ENR_FSMCEN, 0);
// setup the pin modes for FSMC
IOBus busD = {GPIOD, (1 << 0) | (1 << 1) | (1 << 4) | (1 << 5) | (1 << 8) |
(1 << 9) | (1 << 10) | (1 << 11) | (1 << 14) | (1 << 15), 0};
IOBus busE = {GPIOE, (1 << 7) | (1 << 8) | (1 << 9) | (1 << 10) | (1 << 11) | (1 << 12) |
(1 << 13) | (1 << 14) | (1 << 15), 0};
IOBus busG = {GPIOG, (1 << 10), 0};
palSetBusMode(&busD, PAL_MODE_ALTERNATE(12));
palSetBusMode(&busE, PAL_MODE_ALTERNATE(12));
palSetBusMode(&busG, PAL_MODE_ALTERNATE(12));
// FSMC timing
FSMC_Bank1->BTCR[FSMC_BANK+1] = (FSMC_BTR1_ADDSET_1 | FSMC_BTR1_ADDSET_3) \
| (FSMC_BTR1_DATAST_1 | FSMC_BTR1_DATAST_3) \
| (FSMC_BTR1_BUSTURN_1 | FSMC_BTR1_BUSTURN_3) ;
// Bank1 NOR/SRAM control register configuration
// This is actually not needed as already set by default after reset
FSMC_Bank1->BTCR[FSMC_BANK] = FSMC_BCR1_MWID_0 | FSMC_BCR1_WREN | FSMC_BCR1_MBKEN;
break;
}
// marlin does not have any secondary display so far
default:
break;
}
}
static GFXINLINE void post_init_board(GDisplay *g) {
(void) g;
// FSMC delay reduced as the controller now runs at full speed
FSMC_Bank1->BTCR[2+1] = FSMC_BTR1_ADDSET_0 | FSMC_BTR1_DATAST_2 | FSMC_BTR1_BUSTURN_0 ;
FSMC_Bank1->BTCR[2] = FSMC_BCR1_MWID_0 | FSMC_BCR1_WREN | FSMC_BCR1_MBKEN;
}
static GFXINLINE void setpin_reset(GDisplay *g, gBool state) {
(void) g;
(void) state;
}
static GFXINLINE void acquire_bus(GDisplay *g) {
(void) g;
}
static GFXINLINE void release_bus(GDisplay *g) {
(void) g;
}
static GFXINLINE void write_index(GDisplay *g, gU16 index) {
(void) g;
GDISP_REG = index;
}
static GFXINLINE void write_data(GDisplay *g, gU16 data) {
(void) g;
GDISP_RAM = data;
}
static GFXINLINE void setreadmode(GDisplay *g) {
(void) g;
}
static GFXINLINE void setwritemode(GDisplay *g) {
(void) g;
}
static GFXINLINE gU16 read_data(GDisplay *g) {
(void) g;
return GDISP_RAM;
}
#endif /* _BOARD_RA8875_H */
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