Nyaaori/rockbox
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity
rockbox/firmware/target/arm/s5l8702/ipod6g/lcd-6g.c
Cástor Muñoz 1ba5ef716d ipod6g: rename some target files 
As preparation to add new targets to the s5l8702 directory,
rename files as:

s5l8702/ipod6g/*-ipod6g.c -> s5l8702/ipod6g/*-6g.c

Change-Id: I0cd03d6bcf39b2aa198235f9014cb6948bbafcd5
2017-03-03 22:50:38 +01:00

578 lines
16 KiB
C
Raw Blame History

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id: lcd-nano2g.c 28868 2010-12-21 06:59:17Z Buschel $
*
* Copyright (C) 2009 by Dave Chapman
*
* 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.
*
****************************************************************************/
#include "config.h"
#include "hwcompat.h"
#include "kernel.h"
#include "lcd.h"
#include "system.h"
#include "cpu.h"
#include "pmu-target.h"
#include "power.h"
#include "string.h"
#include "dma-s5l8702.h"
#define R_HORIZ_GRAM_ADDR_SET 0x200
#define R_VERT_GRAM_ADDR_SET 0x201
#define R_WRITE_DATA_TO_GRAM 0x202
#define R_HORIZ_ADDR_START_POS 0x210
#define R_HORIZ_ADDR_END_POS 0x211
#define R_VERT_ADDR_START_POS 0x212
#define R_VERT_ADDR_END_POS 0x213
/* LCD type 1 register defines */
#define R_COLUMN_ADDR_SET 0x2a
#define R_ROW_ADDR_SET 0x2b
#define R_MEMORY_WRITE 0x2c
/** globals **/
int lcd_type; /* also needed in debug-s5l8702.c */
static struct mutex lcd_mutex;
static uint16_t lcd_dblbuf[LCD_HEIGHT][LCD_WIDTH] CACHEALIGN_ATTR;
static bool lcd_ispowered;
#define CMD 0 /* send command with N data */
#define MREG 1 /* write multiple registers */
#define SLEEP 2
#define END 0xff
#define CMD16(len) (CMD | ((len) << 8))
#define MREG16(len) (MREG | ((len) << 8))
#define SLEEP16(t) (SLEEP | ((t) << 8))
/* powersave sequences */
static const unsigned char lcd_sleep_seq_01[] =
{
CMD, 0x28, 0, /* Display Off */
SLEEP, 5, /* 50 ms */
CMD, 0x10, 0, /* Sleep In Mode */
SLEEP, 5, /* 50 ms */
END
};
static const unsigned short lcd_enter_deepstby_seq_23[] =
{
/* Display Off */
MREG16(1), 0x007, 0x0172,
MREG16(1), 0x030, 0x03ff,
SLEEP16(9),
MREG16(1), 0x007, 0x0120,
MREG16(1), 0x030, 0x0000,
MREG16(1), 0x100, 0x0780,
MREG16(1), 0x007, 0x0000,
MREG16(1), 0x101, 0x0260,
MREG16(1), 0x102, 0x00a9,
SLEEP16(3),
MREG16(1), 0x100, 0x0700,
/* Deep Standby Mode */
MREG16(1), 0x100, 0x0704,
SLEEP16(5),
END
};
/* init sequences */
#ifdef HAVE_LCD_SLEEP
static const unsigned char lcd_awake_seq_01[] =
{
CMD, 0x11, 0, /* Sleep Out Mode */
SLEEP, 6, /* 60 ms */
CMD, 0x29, 0, /* Display On */
END
};
#endif
#if defined(HAVE_LCD_SLEEP) || defined(BOOTLOADER)
static const unsigned short lcd_init_seq_23[] =
{
/* Display settings */
MREG16(1), 0x008, 0x0808,
MREG16(7), 0x010, 0x0013, 0x0300, 0x0101, 0x0a03, 0x0a0e, 0x0a19, 0x2402,
MREG16(1), 0x018, 0x0001,
MREG16(1), 0x090, 0x0021,
/* Gamma settings */
MREG16(14), 0x300, 0x0307, 0x0003, 0x0402, 0x0303, 0x0300, 0x0407, 0x1c04,
0x0307, 0x0003, 0x0402, 0x0303, 0x0300, 0x0407, 0x1c04,
MREG16(14), 0x310, 0x0707, 0x0407, 0x0306, 0x0303, 0x0300, 0x0407, 0x1c01,
0x0707, 0x0407, 0x0306, 0x0303, 0x0300, 0x0407, 0x1c01,
MREG16(14), 0x320, 0x0206, 0x0102, 0x0404, 0x0303, 0x0300, 0x0407, 0x1c1f,
0x0206, 0x0102, 0x0404, 0x0303, 0x0300, 0x0407, 0x1c1f,
/* GRAM and Base Imagen settings (ili9326ds) */
MREG16(2), 0x400, 0x001d, 0x0001,
MREG16(1), 0x205, 0x0060,
/* Power settings */
MREG16(1), 0x007, 0x0001,
MREG16(1), 0x031, 0x0071,
MREG16(1), 0x110, 0x0001,
MREG16(6), 0x100, 0x17b0, 0x0220, 0x00bd, 0x1500, 0x0103, 0x0105,
/* Display On */
MREG16(1), 0x007, 0x0021,
MREG16(1), 0x001, 0x0110,
MREG16(1), 0x003, 0x0230,
MREG16(1), 0x002, 0x0500,
MREG16(1), 0x007, 0x0031,
MREG16(1), 0x030, 0x0007,
SLEEP16(3),
MREG16(1), 0x030, 0x03ff,
SLEEP16(6),
MREG16(1), 0x007, 0x0072,
SLEEP16(15),
MREG16(1), 0x007, 0x0173,
END
};
#endif /* HAVE_LCD_SLEEP || BOOTLOADER */
#ifdef BOOTLOADER
static const unsigned char lcd_init_seq_0[] =
{
CMD, 0x11, 0, /* Sleep Out Mode */
SLEEP, 0x03, /* 30 ms */
CMD, 0x35, 1, 0x00, /* TEON (TBC) */
CMD, 0x3a, 1, 0x06, /* COLMOD (TBC) */
CMD, 0x36, 1, 0x00, /* MADCTR (TBC) */
CMD, 0x13, 0, /* NORON: Normal Mode On (Partial
Mode Off, Scroll Mode Off) */
CMD, 0x29, 0, /* Display On */
END
};
static const unsigned char lcd_init_seq_1[] =
{
CMD, 0xb0, 21, 0x3a, 0x3a, 0x80, 0x80, 0x0a, 0x0a, 0x0a, 0x0a,
0x0a, 0x0a, 0x0a, 0x0a, 0x3c, 0x30, 0x0f, 0x00,
0x01, 0x54, 0x06, 0x66, 0x66,
CMD, 0xb8, 1, 0xd8,
CMD, 0xb1, 30, 0x14, 0x59, 0x00, 0x15, 0x57, 0x27, 0x04, 0x85,
0x14, 0x59, 0x00, 0x15, 0x57, 0x27, 0x04, 0x85,
0x14, 0x09, 0x15, 0x57, 0x27, 0x04, 0x05,
0x14, 0x09, 0x15, 0x57, 0x27, 0x04, 0x05,
CMD, 0xd2, 1, 0x01,
/* Gamma settings (TBC) */
CMD, 0xe0, 13, 0x00, 0x00, 0x00, 0x05, 0x0b, 0x12, 0x16, 0x1f,
0x25, 0x22, 0x24, 0x29, 0x1c,
CMD, 0xe1, 13, 0x08, 0x01, 0x01, 0x06, 0x0b, 0x11, 0x15, 0x1f,
0x27, 0x26, 0x29, 0x2f, 0x1e,
CMD, 0xe2, 13, 0x07, 0x01, 0x01, 0x05, 0x09, 0x0f, 0x13, 0x1e,
0x26, 0x25, 0x28, 0x2e, 0x1e,
CMD, 0xe3, 13, 0x00, 0x00, 0x00, 0x05, 0x0b, 0x12, 0x16, 0x1f,
0x25, 0x22, 0x24, 0x29, 0x1c,
CMD, 0xe4, 13, 0x08, 0x01, 0x01, 0x06, 0x0b, 0x11, 0x15, 0x1f,
0x27, 0x26, 0x29, 0x2f, 0x1e,
CMD, 0xe5, 13, 0x07, 0x01, 0x01, 0x05, 0x09, 0x0f, 0x13, 0x1e,
0x26, 0x25, 0x28, 0x2e, 0x1e,
CMD, 0x3a, 1, 0x06, /* COLMOD (TBC) */
CMD, 0xc2, 1, 0x00, /* Power Control 3 (TBC) */
CMD, 0x35, 1, 0x00, /* TEON (TBC) */
CMD, 0x11, 0, /* Sleep Out Mode */
SLEEP, 0x06, /* 60 ms */
CMD, 0x13, 0, /* NORON: Normal Mode On (Partial
Mode Off, Scroll Mode Off) */
CMD, 0x29, 0, /* Display On */
END
};
#endif
/* DMA configuration */
/* one single transfer at once, needed LLIs:
* screen_size / (DMAC_LLI_MAX_COUNT << swidth) =
* (320*240*2) / (4095*2) = 19
*/
#define LCD_DMA_TSKBUF_SZ 1 /* N tasks, MUST be pow2 */
#define LCD_DMA_LLIBUF_SZ 32 /* N LLIs, MUST be pow2 */
static struct dmac_tsk lcd_dma_tskbuf[LCD_DMA_TSKBUF_SZ];
static struct dmac_lli volatile \
lcd_dma_llibuf[LCD_DMA_LLIBUF_SZ] CACHEALIGN_ATTR;
static struct dmac_ch lcd_dma_ch = {
.dmac = &s5l8702_dmac0,
.prio = DMAC_CH_PRIO(4),
.cb_fn = NULL,
.tskbuf = lcd_dma_tskbuf,
.tskbuf_mask = LCD_DMA_TSKBUF_SZ - 1,
.queue_mode = QUEUE_NORMAL,
.llibuf = lcd_dma_llibuf,
.llibuf_mask = LCD_DMA_LLIBUF_SZ - 1,
.llibuf_bus = DMAC_MASTER_AHB1,
};
static struct dmac_ch_cfg lcd_dma_ch_cfg = {
.srcperi = S5L8702_DMAC0_PERI_MEM,
.dstperi = S5L8702_DMAC0_PERI_LCD_WR,
.sbsize = DMACCxCONTROL_BSIZE_1,
.dbsize = DMACCxCONTROL_BSIZE_1,
.swidth = DMACCxCONTROL_WIDTH_16,
.dwidth = DMACCxCONTROL_WIDTH_16,
.sbus = DMAC_MASTER_AHB1,
.dbus = DMAC_MASTER_AHB1,
.sinc = DMACCxCONTROL_INC_ENABLE,
.dinc = DMACCxCONTROL_INC_DISABLE,
.prot = DMAC_PROT_CACH | DMAC_PROT_BUFF | DMAC_PROT_PRIV,
.lli_xfer_max_count = DMAC_LLI_MAX_COUNT,
};
static inline void s5l_lcd_write_reg(int cmd, unsigned int data)
{
while (LCD_STATUS & 0x10);
LCD_WCMD = cmd;
while (LCD_STATUS & 0x10);
/* 16-bit/1-transfer data format (ili9320ds s7.2.2) */
LCD_WDATA = (data & 0x78ff) |
((data & 0x0300) << 1) | ((data & 0x0400) << 5);
}
static inline void s5l_lcd_write_cmd(unsigned short cmd)
{
while (LCD_STATUS & 0x10);
LCD_WCMD = cmd;
}
static inline void s5l_lcd_write_data(unsigned short data)
{
while (LCD_STATUS & 0x10);
LCD_WDATA = data;
}
static void lcd_run_seq8(const unsigned char *seq)
{
int n;
while (1) switch (*seq++)
{
case CMD:
s5l_lcd_write_cmd(*seq++);
n = *seq++;
while (n--)
s5l_lcd_write_data(*seq++);
break;
case SLEEP:
sleep(*seq++);
break;
case END:
default:
/* bye */
return;
}
}
static void lcd_run_seq16(const unsigned short *seq)
{
int action, param;
unsigned short reg;
while (1)
{
action = *seq & 0xff;
param = *seq++ >> 8;
switch (action)
{
case MREG:
reg = *seq++;
while (param--)
s5l_lcd_write_reg(reg++, *seq++);
break;
case SLEEP:
sleep(param);
break;
case END:
default:
/* bye */
return;
}
}
}
/*** hardware configuration ***/
int lcd_default_contrast(void)
{
return 0x1f;
}
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;
}
bool lcd_active(void)
{
return lcd_ispowered;
}
void lcd_powersave(void)
{
mutex_lock(&lcd_mutex);
if (lcd_type & 2)
lcd_run_seq16(lcd_enter_deepstby_seq_23);
else
lcd_run_seq8(lcd_sleep_seq_01);
/* mask lcd controller clock gate */
PWRCON(0) |= (1 << CLOCKGATE_LCD);
lcd_ispowered = false;
mutex_unlock(&lcd_mutex);
}
void lcd_shutdown(void)
{
pmu_write(0x2b, 0); /* Kill the backlight, instantly. */
pmu_write(0x29, 0);
lcd_powersave();
}
#ifdef HAVE_LCD_SLEEP
void lcd_sleep(void)
{
lcd_powersave();
}
void lcd_awake(void)
{
mutex_lock(&lcd_mutex);
/* unmask lcd controller clock gate */
PWRCON(0) &= ~(1 << CLOCKGATE_LCD);
if (lcd_type & 2) {
/* release from deep standby mode (ili9320ds s12.3) */
for (int i = 0; i < 6; i++) {
s5l_lcd_write_cmd(0x000);
udelay(1000);
}
lcd_run_seq16(lcd_init_seq_23);
}
else
lcd_run_seq8(lcd_awake_seq_01);
lcd_ispowered = true;
mutex_unlock(&lcd_mutex);
send_event(LCD_EVENT_ACTIVATION, NULL);
}
#endif
/* LCD init */
void lcd_init_device(void)
{
mutex_init(&lcd_mutex);
/* unmask lcd controller clock gate */
PWRCON(0) &= ~(1 << CLOCKGATE_LCD);
/* Detect lcd type */
lcd_type = (PDAT6 & 0x30) >> 4;
while (!(LCD_STATUS & 0x2));
LCD_CONFIG = 0x80100db0;
LCD_PHTIME = 0x33;
/* Configure DMA channel */
dmac_ch_init(&lcd_dma_ch, &lcd_dma_ch_cfg);
#ifdef BOOTLOADER
switch (lcd_type) {
case 0: lcd_run_seq8(lcd_init_seq_0); break;
case 1: lcd_run_seq8(lcd_init_seq_1); break;
default: lcd_run_seq16(lcd_init_seq_23); break;
}
#endif
lcd_ispowered = true;
}
/*** Update functions ***/
static inline void lcd_write_pixel(fb_data pixel)
{
mutex_lock(&lcd_mutex);
LCD_WDATA = pixel;
mutex_unlock(&lcd_mutex);
}
/* Update the display.
This must be called after all other LCD functions that change the display. */
void lcd_update(void) ICODE_ATTR;
void lcd_update(void)
{
lcd_update_rect(0, 0, LCD_WIDTH, LCD_HEIGHT);
}
/* Line write helper function. */
extern void lcd_write_line(const fb_data *addr,
int pixelcount,
const unsigned int lcd_base_addr);
static void displaylcd_setup(int x, int y, int width, int height) ICODE_ATTR;
static void displaylcd_setup(int x, int y, int width, int height)
{
/* TODO: ISR()->panicf()->lcd_update() blocks forever */
mutex_lock(&lcd_mutex);
while (dmac_ch_running(&lcd_dma_ch))
yield();
int xe = (x + width) - 1; /* max horiz */
int ye = (y + height) - 1; /* max vert */
if (lcd_type & 2) {
s5l_lcd_write_reg(R_HORIZ_ADDR_START_POS, x);
s5l_lcd_write_reg(R_HORIZ_ADDR_END_POS, xe);
s5l_lcd_write_reg(R_VERT_ADDR_START_POS, y);
s5l_lcd_write_reg(R_VERT_ADDR_END_POS, ye);
s5l_lcd_write_reg(R_HORIZ_GRAM_ADDR_SET, x);
s5l_lcd_write_reg(R_VERT_GRAM_ADDR_SET, y);
s5l_lcd_write_cmd(R_WRITE_DATA_TO_GRAM);
} else {
s5l_lcd_write_cmd(R_COLUMN_ADDR_SET);
s5l_lcd_write_data(x >> 8);
s5l_lcd_write_data(x & 0xff);
s5l_lcd_write_data(xe >> 8);
s5l_lcd_write_data(xe & 0xff);
s5l_lcd_write_cmd(R_ROW_ADDR_SET);
s5l_lcd_write_data(y >> 8);
s5l_lcd_write_data(y & 0xff);
s5l_lcd_write_data(ye >> 8);
s5l_lcd_write_data(ye & 0xff);
s5l_lcd_write_cmd(R_MEMORY_WRITE);
}
}
static void displaylcd_dma(int pixels) ICODE_ATTR;
static void displaylcd_dma(int pixels)
{
commit_dcache();
dmac_ch_queue(&lcd_dma_ch, lcd_dblbuf,
(void*)S5L8702_DADDR_PERI_LCD_WR, pixels*2, NULL);
mutex_unlock(&lcd_mutex);
}
/* Update a fraction of the display. */
void lcd_update_rect(int, int, int, int) ICODE_ATTR;
void lcd_update_rect(int x, int y, int width, int height)
{
int pixels = width * height;
fb_data* p = FBADDR(x,y);
uint16_t* out = lcd_dblbuf[0];
#ifdef HAVE_LCD_SLEEP
if (!lcd_active()) return;
#endif
displaylcd_setup(x, y, width, height);
/* Copy display bitmap to hardware */
if (LCD_WIDTH == width) {
/* Write all lines at once */
memcpy(out, p, pixels * 2);
} else {
do {
/* Write a single line */
memcpy(out, p, width * 2);
p += LCD_WIDTH;
out += width;
} while (--height);
}
displaylcd_dma(pixels);
}
/* Line write helper function for lcd_yuv_blit. Writes two lines of yuv420. */
extern void lcd_write_yuv420_lines(unsigned char const * const src[3],
uint16_t* outbuf,
int width,
int stride);
/* Blit a YUV bitmap directly to the LCD */
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) ICODE_ATTR;
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)
{
unsigned int z;
unsigned char const * yuv_src[3];
#ifdef HAVE_LCD_SLEEP
if (!lcd_active()) return;
#endif
width = (width + 1) & ~1; /* ensure width is even */
int pixels = width * height;
uint16_t* out = lcd_dblbuf[0];
z = stride * src_y;
yuv_src[0] = src[0] + z + src_x;
yuv_src[1] = src[1] + (z >> 2) + (src_x >> 1);
yuv_src[2] = src[2] + (yuv_src[1] - src[1]);
displaylcd_setup(x, y, width, height);
height >>= 1;
do {
lcd_write_yuv420_lines(yuv_src, out, width, stride);
yuv_src[0] += stride << 1;
yuv_src[1] += stride >> 1; /* Skip down one chroma line */
yuv_src[2] += stride >> 1;
out += width << 1;
} while (--height);
displaylcd_dma(pixels);
}
Reference in a new issue View git blame Copy permalink