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-rw-r--r--firmware/target/arm/tcc77x/iaudio7/lcd-iaudio7.c252
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diff --git a/firmware/target/arm/tcc77x/iaudio7/lcd-iaudio7.c b/firmware/target/arm/tcc77x/iaudio7/lcd-iaudio7.c
new file mode 100644
index 0000000000..bbc20b6860
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+++ b/firmware/target/arm/tcc77x/iaudio7/lcd-iaudio7.c
@@ -0,0 +1,252 @@
+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ * $Id$
+ *
+ * Copyright (C) 2004 by Linus Nielsen Feltzing
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+/*
+ Thanks Hein-Pieter van Braam for initial work.
+
+ Mostly based on lcd-h300.c, adapted for the iaudio 7 by Vitja Makarov
+ */
+
+#include <config.h>
+
+#include <kernel.h>
+#include <cpu.h>
+#include <lcd.h>
+#include <system-target.h>
+
+#include "hd66789r.h"
+
+static bool display_on = false; /* is the display turned on? */
+
+static inline void lcd_write_reg(int reg, int data)
+{
+ GPIOA &= ~0x400;
+ outw(0, 0x50010000);
+ outw(reg << 1, 0x50010000);
+ GPIOA |= 0x400;
+
+ outw((data & 0xff00) >> 7, 0x50010008);
+ outw((data << 24) >> 23, 0x50010008);
+}
+
+static void lcd_write_cmd(int reg)
+{
+ GPIOA &= ~0x400;
+ outw(0, 0x50010000);
+ outw(reg << 1, 0x50010000);
+ GPIOA |= 0x400;
+}
+
+/* Do what OF do */
+static void lcd_delay(int x)
+{
+ int i;
+
+ x *= 0xc35;
+ for (i = 0; i < x * 8; i++) {
+ }
+}
+
+
+static void _display_on(void)
+{
+ GPIOA_DIR |= 0x8000 | 0x400;
+ GPIOA |= 0x8000;
+
+ /* power setup */
+ lcd_write_reg(R_START_OSC, 0x0001);
+ lcd_delay(0xf);
+ lcd_write_reg(R_DISP_CONTROL1, 0x000);
+ lcd_delay(0xa);
+ lcd_write_reg(R_POWER_CONTROL2, 0x0002);
+ lcd_write_reg(R_POWER_CONTROL3, 0x000a);
+ lcd_write_reg(R_POWER_CONTROL4, 0xc5a);
+ lcd_write_reg(R_POWER_CONTROL1, 0x0004);
+ lcd_write_reg(R_POWER_CONTROL1, 0x0134);
+ lcd_write_reg(R_POWER_CONTROL2, 0x0111);
+ lcd_write_reg(R_POWER_CONTROL3, 0x001c);
+ lcd_delay(0x28);
+ lcd_write_reg(R_POWER_CONTROL4, 0x2c40);
+ lcd_write_reg(R_POWER_CONTROL1, 0x0510);
+ lcd_delay(0x3c);
+
+ /* lcd init 2 */
+ lcd_write_reg(R_DRV_OUTPUT_CONTROL, 0x0113);
+ lcd_write_reg(R_DRV_WAVEFORM_CONTROL, 0x0700);
+ lcd_write_reg(R_ENTRY_MODE, 0x1038);
+ lcd_write_reg(R_DISP_CONTROL2, 0x0508); // 0x3c8, TMM
+ lcd_write_reg(R_DISP_CONTROL3, 0x0000);
+ lcd_write_reg(R_FRAME_CYCLE_CONTROL, 0x0003);
+ lcd_write_reg(R_RAM_ADDR_SET, 0x0000);
+ lcd_write_reg(R_GAMMA_FINE_ADJ_POS1, 0x0406);
+ lcd_write_reg(R_GAMMA_FINE_ADJ_POS2, 0x0303);
+ lcd_write_reg(R_GAMMA_FINE_ADJ_POS3, 0x0000);
+ lcd_write_reg(R_GAMMA_GRAD_ADJ_POS, 0x0305);
+ lcd_write_reg(R_GAMMA_FINE_ADJ_NEG1, 0x0404);
+ lcd_write_reg(R_GAMMA_FINE_ADJ_NEG2, 0x0000);
+ lcd_write_reg(R_GAMMA_FINE_ADJ_NEG3, 0x0000);
+ lcd_write_reg(R_GAMMA_GRAD_ADJ_NEG, 0x0503);
+ lcd_write_reg(R_GAMMA_AMP_ADJ_RES_POS, 0x1d05);
+ lcd_write_reg(R_GAMMA_AMP_AVG_ADJ_RES_NEG, 0x1d05);
+ lcd_write_reg(R_VERT_SCROLL_CONTROL, 0x0000);
+ lcd_write_reg(R_1ST_SCR_DRV_POS, 0x9f00);
+ lcd_write_reg(R_2ND_SCR_DRV_POS, 0x9f00);
+ lcd_write_reg(R_HORIZ_RAM_ADDR_POS, 0x7f00);
+ lcd_write_reg(R_VERT_RAM_ADDR_POS, 0x9f00);
+
+ /* lcd init 3 */
+ lcd_write_reg(R_POWER_CONTROL1, 0x4510);
+ lcd_write_reg(R_DISP_CONTROL1, 0x0005);
+ lcd_delay(0x28);
+ lcd_write_reg(R_DISP_CONTROL1, 0x0025);
+ lcd_write_reg(R_DISP_CONTROL1, 0x0027);
+ lcd_delay(0x28);
+ lcd_write_reg(R_DISP_CONTROL1, 0x0037);
+
+ display_on = true;
+}
+
+void lcd_init_device(void)
+{
+ /* Configure external memory banks */
+ CSCFG1 = 0x3d500023;
+
+ /* may be reset */
+ GPIOA |= 0x8000;
+
+ _display_on();
+}
+
+void lcd_enable(bool on)
+{
+ if (display_on == on)
+ return;
+
+ if (on) {
+ _display_on();
+// lcd_call_enable_hook();
+ } else {
+ /** Off sequence according to datasheet, p. 130 **/
+ lcd_write_reg(R_FRAME_CYCLE_CONTROL, 0x0002); /* EQ=0, 18 clks/line */
+ lcd_write_reg(R_DISP_CONTROL1, 0x0036); /* GON=1, DTE=1, REV=1, D1-0=10 */
+ sleep(2);
+
+ lcd_write_reg(R_DISP_CONTROL1, 0x0026); /* GON=1, DTE=0, REV=1, D1-0=10 */
+ sleep(2);
+
+ lcd_write_reg(R_DISP_CONTROL1, 0x0000); /* GON=0, DTE=0, D1-0=00 */
+
+ lcd_write_reg(R_POWER_CONTROL1, 0x0000); /* SAP2-0=000, AP2-0=000 */
+ lcd_write_reg(R_POWER_CONTROL3, 0x0000); /* PON=0 */
+ lcd_write_reg(R_POWER_CONTROL4, 0x0000); /* VCOMG=0 */
+
+ /* datasheet p. 131 */
+ lcd_write_reg(R_POWER_CONTROL1, 0x0001); /* STB=1: standby mode */
+
+ display_on = false;
+ }
+}
+
+bool lcd_enabled(void)
+{
+ return display_on;
+}
+
+
+#define RGB(r,g,b) ((((r)&0x3f) << 12)|(((g)&0x3f) << 6)|(((b)&0x3f)))
+
+
+void lcd_update(void)
+{
+ lcd_update_rect(0, 0, LCD_WIDTH, LCD_HEIGHT);
+}
+
+/* todo: need tests */
+void lcd_update_rect(int sx, int sy, int width, int height)
+{
+ int x, y;
+
+ if (!display_on)
+ return;
+
+ if (width <= 0 || height <= 0) /* nothing to do */
+ return;
+
+ width += sx;
+ height += sy;
+
+ if (width > LCD_WIDTH)
+ width = LCD_WIDTH;
+ if (height > LCD_HEIGHT)
+ height = LCD_HEIGHT;
+
+ lcd_write_reg(R_ENTRY_MODE, 0x1028);
+ /* set update window */
+ lcd_write_reg(R_HORIZ_RAM_ADDR_POS, (LCD_HEIGHT - 1) << 8);
+ lcd_write_reg(R_VERT_RAM_ADDR_POS, ((width - 1) << 8) | sx);
+ lcd_write_reg(R_RAM_ADDR_SET, (sx << 8) | (LCD_HEIGHT - sy - 1));
+ lcd_write_cmd(R_WRITE_DATA_2_GRAM);
+
+ for (y = sy; y < height; y++) {
+ for (x = sx; x < width; x++) {
+ fb_data c;
+ unsigned long color;
+
+ c = lcd_framebuffer[y][x];
+ color =
+ ((c & 0x1f) << 1) | ((c & 0x7e0) << 1) | ((c & 0xf800) <<
+ 2);
+
+ /* TODO: our color is 18-bit */
+ outw((color >> 9) & 0x1ff, 0x50010008);
+ outw((color) & 0x1ff, 0x50010008);
+ }
+ }
+}
+
+void lcd_set_contrast(int val)
+{
+ (void) val;
+}
+
+void lcd_set_invert_display(bool yesno)
+{
+ (void) yesno;
+}
+
+void lcd_set_flip(bool yesno)
+{
+ (void) yesno;
+}
+
+/* TODO: implement me */
+void lcd_blit_yuv(unsigned char *const src[3],
+ int src_x, int src_y, int stride,
+ int x, int y, int width, int height)
+{
+ if (!display_on)
+ return;
+
+ width &= ~1; /* stay on the safe side */
+ height &= ~1;
+
+ panicf("%s", __func__);
+}