mirror of
https://github.com/Rockbox/rockbox.git
synced 2025-11-09 13:12:37 -05:00
Initial commit for the sony NWZ-E360 and NWZ-E370
Change-Id: I52d21e136a98eaf481615d641795cf7ecf325465
This commit is contained in:
Amaury Pouly
parent
46248b3df9
commit
9392d036c4
24 changed files with 1519 additions and 3 deletions
219
firmware/target/arm/imx233/sony-nwz/lcd-nwze370.c
Normal file
219
firmware/target/arm/imx233/sony-nwz/lcd-nwze370.c
Normal file
|
|
@ -0,0 +1,219 @@
|
|||
/***************************************************************************
|
||||
* __________ __ ___.
|
||||
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
||||
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
||||
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
||||
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
||||
* \/ \/ \/ \/ \/
|
||||
* $Id$
|
||||
*
|
||||
* Copyright (c) 2013 by Amaury Pouly
|
||||
*
|
||||
* 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 <sys/types.h> /* off_t */
|
||||
#include <string.h>
|
||||
#include "cpu.h"
|
||||
#include "system.h"
|
||||
#include "backlight-target.h"
|
||||
#include "lcd.h"
|
||||
#include "lcdif-imx233.h"
|
||||
#include "clkctrl-imx233.h"
|
||||
#include "pinctrl-imx233.h"
|
||||
#include "logf.h"
|
||||
|
||||
#ifdef HAVE_LCD_ENABLE
|
||||
static bool lcd_on;
|
||||
#endif
|
||||
|
||||
static void lcd_write_reg(uint8_t reg, void *data, int data_len)
|
||||
{
|
||||
imx233_lcdif_set_data_swizzle(0);
|
||||
imx233_lcdif_set_word_length(8);
|
||||
imx233_lcdif_pio_send(false, 1, ®);
|
||||
imx233_lcdif_pio_send(true, data_len, data);
|
||||
}
|
||||
|
||||
static void lcd_init_seq(void)
|
||||
{
|
||||
// seems compatible with ILI9163
|
||||
lcd_write_reg(1, NULL, 0); // software reset
|
||||
lcd_write_reg(0x11, NULL, 0); // sleep out
|
||||
mdelay(150);
|
||||
/* format: (<cmd> <data size> <data0> <dataN>)+ */
|
||||
static uint8_t init_seq[] =
|
||||
{
|
||||
/* cmd sz data... */
|
||||
0x26, 1, 4, /* Gamma Set */
|
||||
0xb1, 2, 9, 0xd, /* Frame Rate */
|
||||
0xc0, 2, 8, 0, /* Power Control 1 */
|
||||
0xc1, 1, 5, /* Power Control 2 */
|
||||
0xc5, 2, 0x31, 0x40, /* VCOM Control 1 */
|
||||
0xc7, 1, 0xc8, /* VCOM Offset Control */
|
||||
0xec, 1, 0xc, /* Unknown */
|
||||
0x3a, 1, 5, /* Interface Pixel Format */
|
||||
0x2a, 4, 0, 0, 0, 0x7f, /* Column Address */
|
||||
0x2b, 4, 0, 0, 0, 0x9f, /* Page Address Set */
|
||||
0x35, 1, 0, /* Tear Effect Line On */
|
||||
0x36, 1, 0xc8, /* Memory access Control */
|
||||
0xb4, 1, 0, /* Display Inversion */
|
||||
0xb7, 1, 0, /* Source Driver Direction Control */
|
||||
0xb8, 1, 0, /* Gate Driver Direction Control */
|
||||
0xf2, 1, 1, /* Gamma Adjustment */
|
||||
0xe0, 15, 0x3f, 0x20, 0x1d, 0x2d, 0x26, 0x0c, 0x4b, 0xb7,
|
||||
0x39, 0x17, 0x1d, 0x16, 0x16, 0x10, 0x00, /* Positive Gamma */
|
||||
0xe1, 15, 0x00, 0x1f, 0x21, 0x12, 0x18, 0x13, 0x34, 0x48,
|
||||
0x46, 0x08, 0x21, 0x29, 0x28, 0x2f, 0x3f, /* Negative Gamma */
|
||||
0x29, 0, /* Display On */
|
||||
};
|
||||
|
||||
for(unsigned i = 0; i < sizeof(init_seq); )
|
||||
{
|
||||
lcd_write_reg(init_seq[i], &init_seq[i + 2], init_seq[i + 1]);
|
||||
i += 2 + init_seq[i + 1];
|
||||
}
|
||||
}
|
||||
|
||||
void lcd_init_device(void)
|
||||
{
|
||||
/* the LCD seems to work at 24Mhz, so use the xtal clock with no divider */
|
||||
imx233_clkctrl_enable(CLK_PIX, false);
|
||||
imx233_clkctrl_set_div(CLK_PIX, 1);
|
||||
imx233_clkctrl_set_bypass(CLK_PIX, true); /* use XTAL */
|
||||
imx233_clkctrl_enable(CLK_PIX, true);
|
||||
imx233_lcdif_init();
|
||||
imx233_lcdif_set_lcd_databus_width(8);
|
||||
imx233_lcdif_set_timings(2, 2, 2, 2);
|
||||
imx233_lcdif_enable_underflow_recover(true);
|
||||
imx233_lcdif_setup_system_pins(8);
|
||||
imx233_lcdif_set_byte_packing_format(0xf); /* two pixels per 32-bit word */
|
||||
|
||||
// reset device
|
||||
imx233_lcdif_reset_lcd(true);
|
||||
mdelay(10);
|
||||
imx233_lcdif_reset_lcd(false);
|
||||
mdelay(10);
|
||||
imx233_lcdif_reset_lcd(true);
|
||||
mdelay(150);
|
||||
|
||||
lcd_init_seq();
|
||||
#ifdef HAVE_LCD_ENABLE
|
||||
lcd_on = true;
|
||||
#endif
|
||||
}
|
||||
|
||||
#ifdef HAVE_LCD_ENABLE
|
||||
bool lcd_active(void)
|
||||
{
|
||||
return lcd_on;
|
||||
}
|
||||
|
||||
static void lcd_enable_seq(bool enable)
|
||||
{
|
||||
if(enable)
|
||||
{
|
||||
lcd_write_reg(0x11, NULL, 0);
|
||||
lcd_write_reg(0x29, NULL, 0);
|
||||
}
|
||||
else
|
||||
{
|
||||
lcd_write_reg(0x28, NULL, 0);
|
||||
lcd_write_reg(0x10, NULL, 0);
|
||||
}
|
||||
}
|
||||
|
||||
void lcd_enable(bool enable)
|
||||
{
|
||||
if(lcd_on == enable)
|
||||
return;
|
||||
|
||||
lcd_on = enable;
|
||||
|
||||
if(enable)
|
||||
imx233_lcdif_enable(true);
|
||||
lcd_enable_seq(enable);
|
||||
if(!enable)
|
||||
imx233_lcdif_enable(false);
|
||||
else
|
||||
send_event(LCD_EVENT_ACTIVATION, NULL);
|
||||
}
|
||||
#endif
|
||||
|
||||
void lcd_update(void)
|
||||
{
|
||||
lcd_update_rect(0, 0, LCD_WIDTH, LCD_HEIGHT);
|
||||
}
|
||||
|
||||
void lcd_update_rect(int x, int y, int w, int h)
|
||||
{
|
||||
#ifdef HAVE_LCD_ENABLE
|
||||
if(!lcd_on)
|
||||
return;
|
||||
#endif
|
||||
/* make sure the rectangle is included in the screen */
|
||||
x = MIN(x, LCD_WIDTH);
|
||||
y = MIN(y, LCD_HEIGHT);
|
||||
w = MIN(w, LCD_WIDTH - x);
|
||||
h = MIN(h, LCD_HEIGHT - y);
|
||||
|
||||
imx233_lcdif_wait_ready();
|
||||
uint32_t window = x << 8 | (x + w - 1) << 24;
|
||||
lcd_write_reg(0x2a, &window, sizeof(window));
|
||||
window = y << 8 | (y + h - 1) << 24;
|
||||
lcd_write_reg(0x2b, &window, sizeof(window));
|
||||
lcd_write_reg(0x2c, NULL, 0);
|
||||
|
||||
imx233_lcdif_wait_ready();
|
||||
imx233_lcdif_set_data_swizzle(3);
|
||||
imx233_lcdif_set_word_length(8);
|
||||
/* there are two cases here:
|
||||
* - either width = LCD_WIDTH and we can directly memcopy a part of lcd_framebuffer to FRAME
|
||||
* and send it
|
||||
* - either width != LCD_WIDTH and we have to build a contiguous copy of the rectangular area
|
||||
* into FRAME before sending it (which is slower and doesn't use the hardware)
|
||||
* In all cases, FRAME just acts as a temporary buffer.
|
||||
* NOTE It's more interesting to do a copy to FRAME in all cases since in system mode
|
||||
* the clock runs at 24MHz which provides barely 10MB/s bandwidth compared to >100MB/s
|
||||
* for memcopy operations
|
||||
*/
|
||||
if(w == LCD_WIDTH)
|
||||
{
|
||||
memcpy((void *)FRAME, FBADDR(x,y), w * h * sizeof(fb_data));
|
||||
}
|
||||
else
|
||||
{
|
||||
for(int i = 0; i < h; i++)
|
||||
memcpy((fb_data *)FRAME + i * w, FBADDR(x,y + i), w * sizeof(fb_data));
|
||||
}
|
||||
/* WARNING The LCDIF has a limitation on the vertical count ! In 16-bit packed mode
|
||||
* (which we used, ie 16-bit per pixel, 2 pixels per 32-bit words), the v_count
|
||||
* field must be a multiple of 2. Furthermore, it seems the lcd controller doesn't
|
||||
* really like when both w and h are even, probably because the writes to the GRAM
|
||||
* are done on several words and the controller requires dummy writes.
|
||||
* The workaround is to always make sure that we send a number of pixels which is
|
||||
* a multiple of 4 so that both the lcdif and the controller are happy. If any
|
||||
* of w or h is odd, we will send a copy of the first pixels as dummy writes. We will
|
||||
* send at most 3 bytes. We then send (w * h + 3) / 4 x 4 bytes.
|
||||
*/
|
||||
if(w % 2 == 1 || h % 2 == 1)
|
||||
{
|
||||
/* copy three pixel after the last one */
|
||||
for(int i = 0; i < 3; i++)
|
||||
*((fb_data *)FRAME + w * h + i) = *((fb_data *)FRAME + i);
|
||||
/* WARNING we need to update w and h to reflect the pixel count BUT it
|
||||
* has no relation to w * h (it can even be 2 * prime). Hopefully, w <= 240 and
|
||||
* h <= 320 so w * h <= 76800 and (w * h + 3) / 4 <= 38400 which fits into
|
||||
* a 16-bit integer (horizontal count). */
|
||||
h = (w * h + 3) / 4;
|
||||
w = 4;
|
||||
}
|
||||
imx233_lcdif_dma_send((void *)FRAME_PHYS_ADDR, w * 2, h);
|
||||
}
|
||||
|
||||
Loading…
Add table
Add a link
Reference in a new issue