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Diffstat (limited to 'firmware/target/arm/as3525/sansa-c200v2/lcd-c200v2.c')
-rw-r--r--firmware/target/arm/as3525/sansa-c200v2/lcd-c200v2.c429
1 files changed, 0 insertions, 429 deletions
diff --git a/firmware/target/arm/as3525/sansa-c200v2/lcd-c200v2.c b/firmware/target/arm/as3525/sansa-c200v2/lcd-c200v2.c
deleted file mode 100644
index e16b082ce5..0000000000
--- a/firmware/target/arm/as3525/sansa-c200v2/lcd-c200v2.c
+++ /dev/null
@@ -1,429 +0,0 @@
-/***************************************************************************
- * __________ __ ___.
- * Open \______ \ ____ ____ | | _\_ |__ _______ ___
- * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
- * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
- * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
- * \/ \/ \/ \/ \/
- * $Id: lcd-e200v2.c 19453 2008-12-16 02:50:39Z saratoga $
- *
- * 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.
- *
- ****************************************************************************/
-
-/* FIXME: Copied from e200v2 lcd driver, unlikely to work, but maybe */
-
-#include "config.h"
-
-#include "cpu.h"
-#include "lcd.h"
-#include "kernel.h"
-#include "thread.h"
-#include <string.h>
-#include <stdlib.h>
-#include "file.h"
-#include "debug.h"
-#include "system.h"
-#include "font.h"
-#include "bidi.h"
-#include "clock-target.h"
-
-static bool display_on = false; /* is the display turned on? */
-static bool display_flipped = false;
-static int y_offset = 0; /* needed for flip */
-
-/* register defines */
-#define R_START_OSC 0x00
-#define R_DRV_OUTPUT_CONTROL 0x01
-#define R_DRV_WAVEFORM_CONTROL 0x02
-#define R_ENTRY_MODE 0x03
-#define R_COMPARE_REG1 0x04
-#define R_COMPARE_REG2 0x05
-
-#define R_DISP_CONTROL1 0x07
-#define R_DISP_CONTROL2 0x08
-#define R_DISP_CONTROL3 0x09
-
-#define R_FRAME_CYCLE_CONTROL 0x0b
-#define R_EXT_DISP_IF_CONTROL 0x0c
-
-#define R_POWER_CONTROL1 0x10
-#define R_POWER_CONTROL2 0x11
-#define R_POWER_CONTROL3 0x12
-#define R_POWER_CONTROL4 0x13
-
-#define R_RAM_ADDR_SET 0x21
-#define R_WRITE_DATA_2_GRAM 0x22
-
-#define R_GAMMA_FINE_ADJ_POS1 0x30
-#define R_GAMMA_FINE_ADJ_POS2 0x31
-#define R_GAMMA_FINE_ADJ_POS3 0x32
-#define R_GAMMA_GRAD_ADJ_POS 0x33
-
-#define R_GAMMA_FINE_ADJ_NEG1 0x34
-#define R_GAMMA_FINE_ADJ_NEG2 0x35
-#define R_GAMMA_FINE_ADJ_NEG3 0x36
-#define R_GAMMA_GRAD_ADJ_NEG 0x37
-
-#define R_GAMMA_AMP_ADJ_RES_POS 0x38
-#define R_GAMMA_AMP_AVG_ADJ_RES_NEG 0x39
-
-#define R_GATE_SCAN_POS 0x40
-#define R_VERT_SCROLL_CONTROL 0x41
-#define R_1ST_SCR_DRV_POS 0x42
-#define R_2ND_SCR_DRV_POS 0x43
-#define R_HORIZ_RAM_ADDR_POS 0x44
-#define R_VERT_RAM_ADDR_POS 0x45
-
-#define R_ENTRY_MODE_HORZ 0x7030
-#define R_ENTRY_MODE_VERT 0x7038
-#define R_ENTRY_MODE_SOLID_VERT 0x1038
-
-/* TODO: Implement this function */
-static void lcd_delay(int x)
-{
- /* This is just arbitrary - the OF does something more complex */
- x *= 1024;
- while (x--);
-}
-
-/* DBOP initialisation, do what OF does */
-static void ams3525_dbop_init(void)
-{
- CGU_DBOP = (1<<3) | AS3525_DBOP_DIV;
-
- DBOP_TIMPOL_01 = 0xe167e167;
- DBOP_TIMPOL_23 = 0xe167006e;
- DBOP_CTRL = 0x41008;
-
- GPIOB_AFSEL = 0xfc;
- GPIOC_AFSEL = 0xff;
-
- DBOP_TIMPOL_23 = 0x6000e;
- DBOP_CTRL = 0x51008;
- DBOP_TIMPOL_01 = 0x6e167;
- DBOP_TIMPOL_23 = 0xa167e06f;
-
- /* TODO: The OF calls some other functions here, but maybe not important */
-}
-
-
-static void lcd_write_cmd(int cmd)
-{
- /* Write register */
- DBOP_CTRL &= ~(1<<14);
-
- DBOP_TIMPOL_23 = 0xa167006e;
-
- DBOP_DOUT = cmd;
-
- /* Wait for fifo to empty */
- while ((DBOP_STAT & (1<<10)) == 0);
-
- DBOP_TIMPOL_23 = 0xa167e06f;
-}
-
-void lcd_write_data(const fb_data* p_bytes, int count)
-{
- while (count--)
- {
- DBOP_DOUT = *p_bytes++;
-
- /* Wait for fifo to empty */
- while ((DBOP_STAT & (1<<10)) == 0);
- }
-}
-
-static void lcd_write_reg(int reg, int value)
-{
- unsigned short data = value;
-
- lcd_write_cmd(reg);
- lcd_write_data(&data, 1);
-}
-
-/*** hardware configuration ***/
-
-void lcd_set_contrast(int val)
-{
- (void)val;
-}
-
-void lcd_set_invert_display(bool yesno)
-{
- (void)yesno;
-}
-
-static void flip_lcd(bool yesno)
-{
- (void)yesno;
-}
-
-
-/* turn the display upside down (call lcd_update() afterwards) */
-void lcd_set_flip(bool yesno)
-{
- display_flipped = yesno;
- y_offset = yesno ? 4 : 0; /* FIXME: Is a y_offset needed? */
-
- if (display_on)
- flip_lcd(yesno);
-}
-
-static void _display_on(void)
-{
- /* Initialisation the display the same way as the original firmware */
-
- lcd_write_reg(R_START_OSC, 0x0001); /* Start Oscilation */
-
- lcd_write_reg(R_DRV_OUTPUT_CONTROL, 0x011b); /* 220 lines, GS=0, SS=1 */
-
- /* B/C = 1: n-line inversion form
- * EOR = 1: polarity inversion occurs by applying an EOR to odd/even
- * frame select signal and an n-line inversion signal.
- * FLD = 01b: 1 field interlaced scan, external display iface */
- lcd_write_reg(R_DRV_WAVEFORM_CONTROL, 0x0700);
-
- /* Address counter updated in horizontal direction; left to right;
- * vertical increment horizontal increment.
- * data format for 8bit transfer or spi = 65k (5,6,5) */
- lcd_write_reg(R_ENTRY_MODE, 0x0030);
-
- /* Replace data on writing to GRAM */
- lcd_write_reg(R_COMPARE_REG1, 0);
- lcd_write_reg(R_COMPARE_REG2, 0);
-
- lcd_write_reg(R_DISP_CONTROL1, 0x0000); /* GON = 0, DTE = 0, D1-0 = 00b */
-
- /* Front porch lines: 2; Back porch lines: 2; */
- lcd_write_reg(R_DISP_CONTROL2, 0x0203);
-
- /* Scan cycle = 0 frames */
- lcd_write_reg(R_DISP_CONTROL3, 0x0000);
-
- /* 16 clocks */
- lcd_write_reg(R_FRAME_CYCLE_CONTROL, 0x0000);
-
- /* 18-bit RGB interface (one transfer/pixel)
- * internal clock operation;
- * System interface/VSYNC interface */
- lcd_write_reg(R_EXT_DISP_IF_CONTROL, 0x0000);
-
-
- /* zero everything*/
- lcd_write_reg(R_POWER_CONTROL1, 0x0000); /* STB = 0, SLP = 0 */
-
- lcd_delay(10);
-
- /* initialise power supply */
-
- /* DC12-10 = 000b: Step-up1 = clock/8,
- * DC02-00 = 000b: Step-up2 = clock/16,
- * VC2-0 = 010b: VciOUT = 0.87 * VciLVL */
- lcd_write_reg(R_POWER_CONTROL2, 0x0002);
-
- /* VRH3-0 = 1000b: Vreg1OUT = REGP * 1.90 */
- lcd_write_reg(R_POWER_CONTROL3, 0x0008);
-
- lcd_delay(40);
-
- lcd_write_reg(R_POWER_CONTROL4, 0x0000); /* VCOMG = 0 */
-
- /* This register is unknown */
- lcd_write_reg(0x56, 0x80f);
-
-
- lcd_write_reg(R_POWER_CONTROL1, 0x4140);
-
- lcd_delay(10);
-
- lcd_write_reg(R_POWER_CONTROL2, 0x0000);
- lcd_write_reg(R_POWER_CONTROL3, 0x0013);
-
- lcd_delay(20);
-
- lcd_write_reg(R_POWER_CONTROL4, 0x6d0e);
-
- lcd_delay(20);
-
- lcd_write_reg(R_POWER_CONTROL4, 0x6d0e);
-
- lcd_write_reg(R_GAMMA_FINE_ADJ_POS1, 0x0002);
- lcd_write_reg(R_GAMMA_FINE_ADJ_POS2, 0x0707);
- lcd_write_reg(R_GAMMA_FINE_ADJ_POS3, 0x0182);
- lcd_write_reg(R_GAMMA_GRAD_ADJ_POS, 0x0203);
- lcd_write_reg(R_GAMMA_FINE_ADJ_NEG1, 0x0706);
- lcd_write_reg(R_GAMMA_FINE_ADJ_NEG2, 0x0006);
- lcd_write_reg(R_GAMMA_FINE_ADJ_NEG3, 0x0706);
- lcd_write_reg(R_GAMMA_GRAD_ADJ_NEG, 0x0000);
- lcd_write_reg(R_GAMMA_AMP_ADJ_RES_POS, 0x030f);
- lcd_write_reg(R_GAMMA_AMP_AVG_ADJ_RES_NEG, 0x0f08);
-
-
- lcd_write_reg(R_RAM_ADDR_SET, 0);
- lcd_write_reg(R_GATE_SCAN_POS, 0);
- lcd_write_reg(R_VERT_SCROLL_CONTROL, 0);
-
- lcd_write_reg(R_1ST_SCR_DRV_POS, (LCD_HEIGHT-1) << 8);
- lcd_write_reg(R_2ND_SCR_DRV_POS, (LCD_HEIGHT-1) << 8);
-
- lcd_write_reg(R_HORIZ_RAM_ADDR_POS, (LCD_WIDTH-1) << 8);
- lcd_write_reg(R_VERT_RAM_ADDR_POS, (LCD_HEIGHT-1) << 8);
-
-
- lcd_write_reg(R_DISP_CONTROL1, 0x0037);
-
- display_on=true; /* must be done before calling lcd_update() */
- lcd_update();
-}
-
-/* LCD init */
-void lcd_init_device(void)
-{
- ams3525_dbop_init();
-
- /* Init GPIOs the same as the OF */
-
- GPIOA_DIR |= (1<<5);
- GPIOA_PIN(5) = 0;
-
- GPIOA_PIN(3) = (1<<3);
-
- GPIOA_DIR |= (3<<3);
-
- GPIOA_PIN(3) = (1<<3);
-
- GPIOA_PIN(4) = 0; /*c80b0040 := 0;*/
-
- GPIOA_DIR |= (1<<7);
- GPIOA_PIN(7) = 0;
-
- lcd_delay(1);
-
- GPIOA_PIN(5) = (1<<5);
-
- lcd_delay(1);
-
- _display_on();
-}
-
-void lcd_enable(bool on)
-{
- if(display_on!=on)
- {
- if(on)
- {
- _display_on();
- lcd_activation_call_hook();
- }
- else
- {
- /* TODO: Implement off sequence */
- display_on=false;
- }
- }
-}
-
-bool lcd_active(void)
-{
- return display_on;
-}
-
-void lcd_sleep(void)
-{
- /* TODO */
-}
-
-/*** update functions ***/
-
-/* Performance function to blit a YUV bitmap directly to the LCD
- * src_x, src_y, width and height should be even
- * x, y, width and height have to be within LCD bounds
- */
-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)
-{
- (void)src;
- (void)src_x;
- (void)src_y;
- (void)stride;
- (void)x;
- (void)y;
- (void)width;
- (void)height;
-}
-
-/* Update the display.
- This must be called after all other LCD functions that change the display. */
-void lcd_update(void)
-{
- if (!display_on)
- return;
-
- lcd_write_reg(R_ENTRY_MODE, R_ENTRY_MODE_HORZ);
-
- /* Set start position and window */
- lcd_write_reg(R_HORIZ_RAM_ADDR_POS, (LCD_WIDTH-1) << 8);
- lcd_write_reg(R_VERT_RAM_ADDR_POS,
- ((y_offset + LCD_HEIGHT-1) << 8) | y_offset);
- lcd_write_reg(R_RAM_ADDR_SET, (y_offset) << 8);
-
- lcd_write_cmd(R_WRITE_DATA_2_GRAM);
-
- lcd_write_data((unsigned short *)lcd_framebuffer, LCD_WIDTH*LCD_HEIGHT);
-
-} /* lcd_update */
-
-
-/* Update a fraction of the display. */
-void lcd_update_rect(int x, int y, int width, int height)
-{
- int ymax;
- const unsigned short *ptr;
-
- if (!display_on)
- return;
-
- if (x + width > LCD_WIDTH)
- width = LCD_WIDTH - x; /* Clip right */
- if (x < 0)
- width += x, x = 0; /* Clip left */
- if (width <= 0)
- return; /* nothing left to do */
-
- ymax = y + height;
- if (ymax > LCD_HEIGHT)
- ymax = LCD_HEIGHT; /* Clip bottom */
- if (y < 0)
- y = 0; /* Clip top */
- if (y >= ymax)
- return; /* nothing left to do */
-
- lcd_write_reg(R_ENTRY_MODE, R_ENTRY_MODE_HORZ);
- /* Set start position and window */
- lcd_write_reg(R_HORIZ_RAM_ADDR_POS,
- ((x + width-1) << 8) | x);
- lcd_write_reg(R_VERT_RAM_ADDR_POS,
- ((y_offset + y + height - 1) << 8) | (y_offset + y));
- lcd_write_reg(R_RAM_ADDR_SET, ((y + y_offset) << 8) | x);
-
- lcd_write_cmd(R_WRITE_DATA_2_GRAM);
-
- ptr = (unsigned short *)&lcd_framebuffer[y][x];
-
- do
- {
- lcd_write_data(ptr, width);
- ptr += LCD_WIDTH;
- }
- while (++y < ymax);
-} /* lcd_update_rect */
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