diff options
Diffstat (limited to 'nuttx/drivers/lcd/mio283qt2.c')
| -rw-r--r-- | nuttx/drivers/lcd/mio283qt2.c | 1014 |
1 files changed, 0 insertions, 1014 deletions
diff --git a/nuttx/drivers/lcd/mio283qt2.c b/nuttx/drivers/lcd/mio283qt2.c deleted file mode 100644 index 4c8835eef..000000000 --- a/nuttx/drivers/lcd/mio283qt2.c +++ /dev/null @@ -1,1014 +0,0 @@ -/************************************************************************************** - * drivers/lcd/mio283qt2.c - * - * This is a driver for the MI0283QT-2 LCD from Multi-Inno Technology Co., Ltd. This - * LCD is based on the Himax HX8347-D LCD controller. - * - * Copyright (C) 2012 Gregory Nutt. All rights reserved. - * Authors: Gregory Nutt <gnutt@nuttx.org> - * - * References: - * 1) LCD Module Specification, Model : MI0283QT-2, Multi-Inno Technology Co., - * Ltd., Revision 1.0 - * 2) Data Sheet: HX8347-D(T), 240RGB x 320 dot, 262K color, with internal GRAM, TFT - * Mobile Single Chip Driver Version 02 March, Doc No. HX8347-D(T)-DS, Himax - * Technologies, Inc., 2009, - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name NuttX nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - **************************************************************************************/ - -/************************************************************************************** - * Included Files - **************************************************************************************/ - -#include <nuttx/config.h> - -#include <sys/types.h> -#include <stdint.h> -#include <stdbool.h> -#include <string.h> -#include <errno.h> -#include <debug.h> - -#include <nuttx/arch.h> -#include <nuttx/spi.h> -#include <nuttx/lcd/lcd.h> -#include <nuttx/lcd/mio283qt2.h> - -#ifdef CONFIG_LCD_MIO283QT2 - -/************************************************************************************** - * Pre-processor Definitions - **************************************************************************************/ -/* Configuration **********************************************************************/ - -/* Check contrast selection */ - -#if !defined(CONFIG_LCD_MAXCONTRAST) -# define CONFIG_LCD_MAXCONTRAST 1 -#endif - -/* Check power setting */ - -#if !defined(CONFIG_LCD_MAXPOWER) || CONFIG_LCD_MAXPOWER < 1 -# define CONFIG_LCD_MAXPOWER 1 -#endif - -#if CONFIG_LCD_MAXPOWER > 255 -# error "CONFIG_LCD_MAXPOWER must be less than 256 to fit in uint8_t" -#endif - -/* Check orientation */ - -#if defined(CONFIG_LCD_PORTRAIT) -# if defined(CONFIG_LCD_LANDSCAPE) || defined(CONFIG_LCD_RLANDSCAPE) || defined(CONFIG_LCD_RPORTRAIT) -# error "Cannot define both portrait and any other orientations" -# endif -#elif defined(CONFIG_LCD_RPORTRAIT) -# if defined(CONFIG_LCD_LANDSCAPE) || defined(CONFIG_LCD_RLANDSCAPE) -# error "Cannot define both rportrait and any other orientations" -# endif -#elif defined(CONFIG_LCD_LANDSCAPE) -# ifdef CONFIG_LCD_RLANDSCAPE -# error "Cannot define both landscape and any other orientations" -# endif -#elif !defined(CONFIG_LCD_RLANDSCAPE) -# define CONFIG_LCD_LANDSCAPE 1 -#endif - -/* Define CONFIG_DEBUG_LCD to enable detailed LCD debug output. Verbose debug must - * also be enabled. - */ - -#ifndef CONFIG_DEBUG -# undef CONFIG_DEBUG_VERBOSE -# undef CONFIG_DEBUG_GRAPHICS -# undef CONFIG_DEBUG_LCD -#endif - -#ifndef CONFIG_DEBUG_VERBOSE -# undef CONFIG_DEBUG_LCD -#endif - -/* Display/Color Properties ***********************************************************/ -/* Display Resolution */ - -#if defined(CONFIG_LCD_LANDSCAPE) || defined(CONFIG_LCD_RLANDSCAPE) -# define MIO283QT2_XRES 320 -# define MIO283QT2_YRES 240 -#else -# define MIO283QT2_XRES 240 -# define MIO283QT2_YRES 320 -#endif - -/* Color depth and format */ - -#define MIO283QT2_BPP 16 -#define MIO283QT2_COLORFMT FB_FMT_RGB16_565 - -/* Hardware LCD/LCD controller definitions ********************************************/ -/* In this driver, I chose to use all literal constants for register address and - * values. Some recent experiences have shown me that during LCD bringup, it is more - * important to know the binary values rather than nice, people friendly names. Sad, - * but true. - */ - -#define HIMAX_ID 0x0047 - -/* LCD Profiles ***********************************************************************/ -/* Many details of the controller initialization must, unfortunately, vary from LCD to - * LCD. I have looked at the spec and at three different drivers for LCDs that have - * MIO283QT2 controllers. I have tried to summarize these differences as "LCD profiles" - * - * Most of the differences between LCDs are nothing more than a few minor bit - * settings. The most significant difference betwen LCD drivers in is the - * manner in which the LCD is powered up and in how the power controls are set. - * My suggestion is that if you have working LCD initialization code, you should - * simply replace the code in mio283qt2_hwinitialize with your working code. - */ - -#if defined (CONFIG_MIO283QT2_PROFILE2) -# undef MIO283QT2_USE_SIMPLE_INIT - - /* PWRCTRL1: AP=smalll-to-medium, DC=Flinex24, BT=+5/-4, DCT=Flinex24 */ - -# define PWRCTRL1_SETTING \ - (MIO283QT2_PWRCTRL1_AP_SMMED | MIO283QT2_PWRCTRL1_DC_FLINEx24 | \ - MIO283QT2_PWRCTRL1_BT_p5m4 | MIO283QT2_PWRCTRL1_DCT_FLINEx24) - - /* PWRCTRL2: 5.1v */ - -# define PWRCTRL2_SETTING MIO283QT2_PWRCTRL2_VRC_5p1V - - /* PWRCTRL3: x 2.165 - * NOTE: Many drivers have bit 8 set which is not defined in the MIO283QT2 spec. - */ - -# define PWRCTRL3_SETTING MIO283QT2_PWRCTRL3_VRH_x2p165 - - /* PWRCTRL4: VDV=9 + VCOMG */ - -# define PWRCTRL4_SETTING (MIO283QT2_PWRCTRL4_VDV(9) | MIO283QT2_PWRCTRL4_VCOMG) - - /* PWRCTRL5: VCM=56 + NOTP */ - -# define PWRCTRL5_SETTING (MIO283QT2_PWRCTRL5_VCM(56) | MIO283QT2_PWRCTRL5_NOTP) - -#elif defined (CONFIG_MIO283QT2_PROFILE3) -# undef MIO283QT2_USE_SIMPLE_INIT - - /* PWRCTRL1: AP=smalll-to-medium, DC=Flinex24, BT=+5/-4, DCT=Flinex24 */ - -# define PWRCTRL1_SETTING \ - (MIO283QT2_PWRCTRL1_AP_SMMED | MIO283QT2_PWRCTRL1_DC_FLINEx24 | \ - MIO283QT2_PWRCTRL1_BT_p5m4 | MIO283QT2_PWRCTRL1_DCT_FLINEx24) - - /* PWRCTRL2: 5.1v */ - -# define PWRCTRL2_SETTING MIO283QT2_PWRCTRL2_VRC_5p1V - - /* PWRCTRL3: x 2.165 - * NOTE: Many drivers have bit 8 set which is not defined in the MIO283QT2 spec. - */ - -# define PWRCTRL3_SETTING MIO283QT2_PWRCTRL3_VRH_x2p165 - - /* PWRCTRL4: VDV=9 + VCOMG */ - -# define PWRCTRL4_SETTING (MIO283QT2_PWRCTRL4_VDV(9) | MIO283QT2_PWRCTRL4_VCOMG) - - /* PWRCTRL5: VCM=56 + NOTP */ - -# define PWRCTRL5_SETTING (MIO283QT2_PWRCTRL5_VCM(56) | MIO283QT2_PWRCTRL5_NOTP) - -#else /* if defined (CONFIG_MIO283QT2_PROFILE1) */ -# undef MIO283QT2_USE_SIMPLE_INIT -# define MIO283QT2_USE_SIMPLE_INIT 1 - - /* PWRCTRL1: AP=medium-to-large, DC=Fosc/4, BT=+5/-4, DCT=Fosc/4 */ - -# define PWRCTRL1_SETTING \ - (MIO283QT2_PWRCTRL1_AP_MEDLG | MIO283QT2_PWRCTRL1_DC_FOSd4 | \ - MIO283QT2_PWRCTRL1_BT_p5m4 | MIO283QT2_PWRCTRL1_DCT_FOSd4) - - /* PWRCTRL2: 5.3v */ - -# define PWRCTRL2_SETTING MIO283QT2_PWRCTRL2_VRC_5p3V - - /* PWRCTRL3: x 2.570 - * NOTE: Many drivers have bit 8 set which is not defined in the MIO283QT2 spec. - */ - -# define PWRCTRL3_SETTING MIO283QT2_PWRCTRL3_VRH_x2p570 - - /* PWRCTRL4: VDV=12 + VCOMG */ - -# define PWRCTRL4_SETTING (MIO283QT2_PWRCTRL4_VDV(12) | MIO283QT2_PWRCTRL4_VCOMG) - - /* PWRCTRL5: VCM=60 + NOTP */ - -# define PWRCTRL5_SETTING (MIO283QT2_PWRCTRL5_VCM(60) | MIO283QT2_PWRCTRL5_NOTP) - -#endif - -/* Debug ******************************************************************************/ - -#ifdef CONFIG_DEBUG_LCD -# define lcddbg dbg -# define lcdvdbg vdbg -#else -# define lcddbg(x...) -# define lcdvdbg(x...) -#endif - -/************************************************************************************** - * Private Type Definition - **************************************************************************************/ - -/* This structure describes the state of this driver */ - -struct mio283qt2_dev_s -{ - /* Publically visible device structure */ - - struct lcd_dev_s dev; - - /* Private LCD-specific information follows */ - - FAR struct mio283qt2_lcd_s *lcd; /* The contained platform-specific, LCD interface */ - uint8_t power; /* Current power setting */ - - /* This is working memory allocated by the LCD driver for each LCD device - * and for each color plane. This memory will hold one raster line of data. - * The size of the allocated run buffer must therefore be at least - * (bpp * xres / 8). Actual alignment of the buffer must conform to the - * bitwidth of the underlying pixel type. - * - * If there are multiple planes, they may share the same working buffer - * because different planes will not be operate on concurrently. However, - * if there are multiple LCD devices, they must each have unique run buffers. - */ - - uint16_t runbuffer[MIO283QT2_XRES]; -}; - -/************************************************************************************** - * Private Function Protototypes - **************************************************************************************/ -/* Low Level LCD access */ - -static void mio283qt2_putreg(FAR struct mio283qt2_lcd_s *lcd, uint8_t regaddr, - uint16_t regval); -#ifndef CONFIG_LCD_NOGETRUN -static uint16_t mio283qt2_readreg(FAR struct mio283qt2_lcd_s *lcd, uint8_t regaddr); -#endif -static inline void mio283qt2_gramwrite(FAR struct mio283qt2_lcd_s *lcd, - uint16_t rgbcolor); -#ifndef CONFIG_LCD_NOGETRUN -static inline void mio283qt2_readsetup(FAR struct mio283qt2_lcd_s *lcd, - FAR uint16_t *accum); -static inline uint16_t mio283qt2_gramread(FAR struct mio283qt2_lcd_s *lcd, - FAR uint16_t *accum); -#endif -static void mio283qt2_setarea(FAR struct mio283qt2_lcd_s *lcd, - uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1); - -/* LCD Data Transfer Methods */ - -static int mio283qt2_putrun(fb_coord_t row, fb_coord_t col, FAR const uint8_t *buffer, - size_t npixels); -static int mio283qt2_getrun(fb_coord_t row, fb_coord_t col, FAR uint8_t *buffer, - size_t npixels); - -/* LCD Configuration */ - -static int mio283qt2_getvideoinfo(FAR struct lcd_dev_s *dev, - FAR struct fb_videoinfo_s *vinfo); -static int mio283qt2_getplaneinfo(FAR struct lcd_dev_s *dev, unsigned int planeno, - FAR struct lcd_planeinfo_s *pinfo); - -/* LCD RGB Mapping */ - -#ifdef CONFIG_FB_CMAP -# error "RGB color mapping not supported by this driver" -#endif - -/* Cursor Controls */ - -#ifdef CONFIG_FB_HWCURSOR -# error "Cursor control not supported by this driver" -#endif - -/* LCD Specific Controls */ - -static int mio283qt2_getpower(FAR struct lcd_dev_s *dev); -static int mio283qt2_setpower(FAR struct lcd_dev_s *dev, int power); -static int mio283qt2_getcontrast(FAR struct lcd_dev_s *dev); -static int mio283qt2_setcontrast(FAR struct lcd_dev_s *dev, unsigned int contrast); - -/* Initialization */ - -static inline int mio283qt2_hwinitialize(FAR struct mio283qt2_dev_s *priv); - -/************************************************************************************** - * Private Data - **************************************************************************************/ - -/* This driver can support only a signal MIO283QT2 device. This is due to an - * unfortunate decision made whent he getrun and putrun methods were designed. The - * following is the single MIO283QT2 driver state instance: - */ - -static struct mio283qt2_dev_s g_lcddev; - -/************************************************************************************** - * Private Functions - **************************************************************************************/ - -/************************************************************************************** - * Name: mio283qt2_putreg(lcd, - * - * Description: - * Write to an LCD register - * - **************************************************************************************/ - -static void mio283qt2_putreg(FAR struct mio283qt2_lcd_s *lcd, - uint8_t regaddr, uint16_t regval) -{ - /* Set the index register to the register address and write the register contents */ - - lcd->index(lcd, regaddr); - lcd->write(lcd, regval); -} - -/************************************************************************************** - * Name: mio283qt2_readreg - * - * Description: - * Read from an LCD register - * - **************************************************************************************/ - -#ifndef CONFIG_LCD_NOGETRUN -static uint16_t mio283qt2_readreg(FAR struct mio283qt2_lcd_s *lcd, uint8_t regaddr) -{ - /* Set the index register to the register address and read the register contents. */ - - lcd->index(lcd, regaddr); - return lcd->read(lcd); -} -#endif - -/************************************************************************************** - * Name: mio283qt2_gramselect - * - * Description: - * Setup to read or write multiple pixels to the GRAM memory - * - **************************************************************************************/ - -static inline void mio283qt2_gramselect(FAR struct mio283qt2_lcd_s *lcd) -{ - lcd->index(lcd, 0x22); -} - -/************************************************************************************** - * Name: mio283qt2_gramwrite - * - * Description: - * Setup to read or write multiple pixels to the GRAM memory - * - **************************************************************************************/ - -static inline void mio283qt2_gramwrite(FAR struct mio283qt2_lcd_s *lcd, uint16_t data) -{ - lcd->write(lcd, data); -} - -/************************************************************************************** - * Name: mio283qt2_readsetup - * - * Description: - * Prime the operation by reading one pixel from the GRAM memory if necessary for - * this LCD type. When reading 16-bit gram data, there may be some shifts in the - * returned data: - * - * - ILI932x: Discard first dummy read; no shift in the return data - * - **************************************************************************************/ - -#ifndef CONFIG_LCD_NOGETRUN -static inline void mio283qt2_readsetup(FAR struct mio283qt2_lcd_s *lcd, - FAR uint16_t *accum) -{ -#if 0 /* Probably not necessary... untested */ - /* Read-ahead one pixel */ - - *accum = lcd->read(lcd); -#endif -} -#endif - -/************************************************************************************** - * Name: mio283qt2_gramread - * - * Description: - * Read one correctly aligned pixel from the GRAM memory. Possibly shifting the - * data and possibly swapping red and green components. - * - * - ILI932x: Unknown -- assuming colors are in the color order - * - **************************************************************************************/ - -#ifndef CONFIG_LCD_NOGETRUN -static inline uint16_t mio283qt2_gramread(FAR struct mio283qt2_lcd_s *lcd, - FAR uint16_t *accum) -{ - /* Read the value (GRAM register already selected) */ - - return lcd->read(lcd); -} -#endif - -/************************************************************************************** - * Name: mio283qt2_setarea - * - * Description: - * Set the cursor position. In landscape mode, the "column" is actually the physical - * Y position and the "row" is the physical X position. - * - **************************************************************************************/ - -static void mio283qt2_setarea(FAR struct mio283qt2_lcd_s *lcd, - uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1) -{ - mio283qt2_putreg(lcd, 0x03, (x0 & 0x00ff)); /* set x0 */ - mio283qt2_putreg(lcd, 0x02, (x0 >> 8)); /* set x0 */ - mio283qt2_putreg(lcd, 0x05, (x1 & 0x00ff)); /* set x1 */ - mio283qt2_putreg(lcd, 0x04, (x1 >> 8)); /* set x1 */ - mio283qt2_putreg(lcd, 0x07, (y0 & 0x00ff)); /* set y0 */ - mio283qt2_putreg(lcd, 0x06, (y0 >> 8)); /* set y0 */ - mio283qt2_putreg(lcd, 0x09, (y1 & 0x00ff)); /* set y1 */ - mio283qt2_putreg(lcd, 0x08, (y1 >> 8)); /* set y1 */ -} - -/************************************************************************************** - * Name: mio283qt2_dumprun - * - * Description: - * Dump the contexts of the run buffer: - * - * run - The buffer in containing the run read to be dumped - * npixels - The number of pixels to dump - * - **************************************************************************************/ - -#if 0 /* Sometimes useful */ -static void mio283qt2_dumprun(FAR const char *msg, FAR uint16_t *run, size_t npixels) -{ - int i, j; - - syslog("\n%s:\n", msg); - for (i = 0; i < npixels; i += 16) - { - up_putc(' '); - syslog(" "); - for (j = 0; j < 16; j++) - { - syslog(" %04x", *run++); - } - up_putc('\n'); - } -} -#endif - -/************************************************************************************** - * Name: mio283qt2_putrun - * - * Description: - * This method can be used to write a partial raster line to the LCD: - * - * row - Starting row to write to (range: 0 <= row < yres) - * col - Starting column to write to (range: 0 <= col <= xres-npixels) - * buffer - The buffer containing the run to be written to the LCD - * npixels - The number of pixels to write to the LCD - * (range: 0 < npixels <= xres-col) - * - **************************************************************************************/ - -static int mio283qt2_putrun(fb_coord_t row, fb_coord_t col, FAR const uint8_t *buffer, - size_t npixels) -{ - FAR struct mio283qt2_dev_s *priv = &g_lcddev; - FAR struct mio283qt2_lcd_s *lcd = priv->lcd; - FAR const uint16_t *src = (FAR const uint16_t*)buffer; - int i; - - /* Buffer must be provided and aligned to a 16-bit address boundary */ - - lcdvdbg("row: %d col: %d npixels: %d\n", row, col, npixels); - DEBUGASSERT(buffer && ((uintptr_t)buffer & 1) == 0); - - /* Select the LCD */ - - lcd->select(lcd); - - /* Write the run to GRAM. */ - - mio283qt2_setarea(lcd, col, row, col + npixels - 1, row); - mio283qt2_gramselect(lcd); - - for (i = 0; i < npixels; i++) - { - mio283qt2_gramwrite(lcd, *src); - src++; - } - - /* De-select the LCD */ - - lcd->deselect(lcd); - return OK; -} - -/************************************************************************************** - * Name: mio283qt2_getrun - * - * Description: - * This method can be used to read a partial raster line from the LCD: - * - * row - Starting row to read from (range: 0 <= row < yres) - * col - Starting column to read read (range: 0 <= col <= xres-npixels) - * buffer - The buffer in which to return the run read from the LCD - * npixels - The number of pixels to read from the LCD - * (range: 0 < npixels <= xres-col) - * - **************************************************************************************/ - -static int mio283qt2_getrun(fb_coord_t row, fb_coord_t col, FAR uint8_t *buffer, - size_t npixels) -{ -#ifndef CONFIG_LCD_NOGETRUN - FAR struct mio283qt2_dev_s *priv = &g_lcddev; - FAR struct mio283qt2_lcd_s *lcd = priv->lcd; - FAR uint16_t *dest = (FAR uint16_t*)buffer; - uint16_t accum; - int i; - - /* Buffer must be provided and aligned to a 16-bit address boundary */ - - lcdvdbg("row: %d col: %d npixels: %d\n", row, col, npixels); - DEBUGASSERT(buffer && ((uintptr_t)buffer & 1) == 0); - - /* Select the LCD */ - - lcd->select(lcd); - - /* Read the run from GRAM. */ - - /* Select the LCD */ - - lcd->select(lcd); - - /* Red the run fram GRAM. */ - - mio283qt2_setarea(lcd, col, row, col + npixels - 1, row); - mio283qt2_gramselect(lcd); - - /* Prime the pump for unaligned read data */ - - mio283qt2_readsetup(lcd, &accum); - - for (i = 0; i < npixels; i++) - { - *dest++ = mio283qt2_gramread(lcd, &accum); - } - - /* De-select the LCD */ - - lcd->deselect(lcd); - return OK; -#else - return -ENOSYS; -#endif -} - -/************************************************************************************** - * Name: mio283qt2_getvideoinfo - * - * Description: - * Get information about the LCD video controller configuration. - * - **************************************************************************************/ - -static int mio283qt2_getvideoinfo(FAR struct lcd_dev_s *dev, - FAR struct fb_videoinfo_s *vinfo) -{ - DEBUGASSERT(dev && vinfo); - lcdvdbg("fmt: %d xres: %d yres: %d nplanes: 1\n", - MIO283QT2_COLORFMT, MIO283QT2_XRES, MIO283QT2_XRES); - - vinfo->fmt = MIO283QT2_COLORFMT; /* Color format: RGB16-565: RRRR RGGG GGGB BBBB */ - vinfo->xres = MIO283QT2_XRES; /* Horizontal resolution in pixel columns */ - vinfo->yres = MIO283QT2_YRES; /* Vertical resolution in pixel rows */ - vinfo->nplanes = 1; /* Number of color planes supported */ - return OK; -} - -/************************************************************************************** - * Name: mio283qt2_getplaneinfo - * - * Description: - * Get information about the configuration of each LCD color plane. - * - **************************************************************************************/ - -static int mio283qt2_getplaneinfo(FAR struct lcd_dev_s *dev, unsigned int planeno, - FAR struct lcd_planeinfo_s *pinfo) -{ - FAR struct mio283qt2_dev_s *priv = (FAR struct mio283qt2_dev_s *)dev; - - DEBUGASSERT(dev && pinfo && planeno == 0); - lcdvdbg("planeno: %d bpp: %d\n", planeno, MIO283QT2_BPP); - - pinfo->putrun = mio283qt2_putrun; /* Put a run into LCD memory */ - pinfo->getrun = mio283qt2_getrun; /* Get a run from LCD memory */ - pinfo->buffer = (uint8_t*)priv->runbuffer; /* Run scratch buffer */ - pinfo->bpp = MIO283QT2_BPP; /* Bits-per-pixel */ - return OK; -} - -/************************************************************************************** - * Name: mio283qt2_getpower - * - * Description: - * Get the LCD panel power status (0: full off - CONFIG_LCD_MAXPOWER: full on). On - * backlit LCDs, this setting may correspond to the backlight setting. - * - **************************************************************************************/ - -static int mio283qt2_getpower(FAR struct lcd_dev_s *dev) -{ - lcdvdbg("power: %d\n", 0); - return g_lcddev.power; -} - -/************************************************************************************** - * Name: mio283qt2_poweroff - * - * Description: - * Enable/disable LCD panel power (0: full off - CONFIG_LCD_MAXPOWER: full on). On - * backlit LCDs, this setting may correspond to the backlight setting. - * - **************************************************************************************/ - -static int mio283qt2_poweroff(FAR struct mio283qt2_lcd_s *lcd) -{ - /* Set the backlight off */ - - lcd->backlight(lcd, 0); - - /* Turn the display off */ - - mio283qt2_putreg(lcd, 0x28, 0x0000); /* GON=0, DTE=0, D=0 */ - - /* Remember the power off state */ - - g_lcddev.power = 0; - return OK; -} - -/************************************************************************************** - * Name: mio283qt2_setpower - * - * Description: - * Enable/disable LCD panel power (0: full off - CONFIG_LCD_MAXPOWER: full on). On - * backlit LCDs, this setting may correspond to the backlight setting. - * - **************************************************************************************/ - -static int mio283qt2_setpower(FAR struct lcd_dev_s *dev, int power) -{ - FAR struct mio283qt2_dev_s *priv = (FAR struct mio283qt2_dev_s *)dev; - FAR struct mio283qt2_lcd_s *lcd = priv->lcd; - - lcdvdbg("power: %d\n", power); - DEBUGASSERT((unsigned)power <= CONFIG_LCD_MAXPOWER); - - /* Set new power level */ - - if (power > 0) - { - /* Set the backlight level */ - - lcd->backlight(lcd, power); - - /* Then turn the display on: - * D=ON(3) CM=0 DTE=1 GON=1 SPT=0 VLE=0 PT=0 - */ - - /* Display on */ - - mio283qt2_putreg(lcd, 0x28, 0x0038); /* GON=1, DTE=1, D=2 */ - up_mdelay(40); - mio283qt2_putreg(lcd, 0x28, 0x003c); /* GON=1, DTE=1, D=3 */ - - g_lcddev.power = power; - } - else - { - /* Turn the display off */ - - mio283qt2_poweroff(lcd); - } - - return OK; -} - -/************************************************************************************** - * Name: mio283qt2_getcontrast - * - * Description: - * Get the current contrast setting (0-CONFIG_LCD_MAXCONTRAST). - * - **************************************************************************************/ - -static int mio283qt2_getcontrast(FAR struct lcd_dev_s *dev) -{ - lcdvdbg("Not implemented\n"); - return -ENOSYS; -} - -/************************************************************************************** - * Name: mio283qt2_setcontrast - * - * Description: - * Set LCD panel contrast (0-CONFIG_LCD_MAXCONTRAST). - * - **************************************************************************************/ - -static int mio283qt2_setcontrast(FAR struct lcd_dev_s *dev, unsigned int contrast) -{ - lcdvdbg("contrast: %d\n", contrast); - return -ENOSYS; -} - -/************************************************************************************** - * Name: mio283qt2_hwinitialize - * - * Description: - * Initialize the LCD hardware. - * - **************************************************************************************/ - -static inline int mio283qt2_hwinitialize(FAR struct mio283qt2_dev_s *priv) -{ - FAR struct mio283qt2_lcd_s *lcd = priv->lcd; -#ifndef CONFIG_LCD_NOGETRUN - uint16_t id; -#endif - - /* Select the LCD */ - - lcd->select(lcd); - - /* Read the HIMAX ID registger (0x00) */ - -#ifndef CONFIG_LCD_NOGETRUN - id = mio283qt2_readreg(lcd, 0x00); - lcddbg("LCD ID: %04x\n", id); - - /* Check if the ID is for the MIO283QT2 */ - - if (id == HIMAX_ID) -#endif - { - /* Driving ability */ - - mio283qt2_putreg(lcd, 0xea, 0x0000); /* PTBA[15:8] */ - mio283qt2_putreg(lcd, 0xeb, 0x0020); /* PTBA[7:0] */ - mio283qt2_putreg(lcd, 0xec, 0x000c); /* STBA[15:8] */ - mio283qt2_putreg(lcd, 0xed, 0x00c4); /* STBA[7:0] */ - mio283qt2_putreg(lcd, 0xe8, 0x0040); /* OPON[7:0] */ - mio283qt2_putreg(lcd, 0xe9, 0x0038); /* OPON1[7:0] */ - mio283qt2_putreg(lcd, 0xf1, 0x0001); /* OTPS1B */ - mio283qt2_putreg(lcd, 0xf2, 0x0010); /* GEN */ - mio283qt2_putreg(lcd, 0x27, 0x00a3); - - /* Power voltage */ - - mio283qt2_putreg(lcd, 0x1b, 0x001b); /* VRH = 4.65 */ - mio283qt2_putreg(lcd, 0x1a, 0x0001); /* BT */ - mio283qt2_putreg(lcd, 0x24, 0x002f); /* VMH */ - mio283qt2_putreg(lcd, 0x25, 0x0057); /* VML */ - - /* Vcom offset */ - - mio283qt2_putreg(lcd, 0x23, 0x008d); /* For flicker adjust */ - - /* Power on */ - - mio283qt2_putreg(lcd, 0x18, 0x0036); - mio283qt2_putreg(lcd, 0x19, 0x0001); /* Start oscillator */ - mio283qt2_putreg(lcd, 0x01, 0x0000); /* Wakeup */ - mio283qt2_putreg(lcd, 0x1f, 0x0088); - up_mdelay(5); - mio283qt2_putreg(lcd, 0x1f, 0x0080); - up_mdelay(5); - mio283qt2_putreg(lcd, 0x1f, 0x0090); - up_mdelay(5); - mio283qt2_putreg(lcd, 0x1f, 0x00d0); - up_mdelay(5); - - /* Gamma 2.8 setting */ - - mio283qt2_putreg(lcd, 0x40, 0x0000); - mio283qt2_putreg(lcd, 0x41, 0x0000); - mio283qt2_putreg(lcd, 0x42, 0x0001); - mio283qt2_putreg(lcd, 0x43, 0x0013); - mio283qt2_putreg(lcd, 0x44, 0x0010); - mio283qt2_putreg(lcd, 0x45, 0x0026); - mio283qt2_putreg(lcd, 0x46, 0x0008); - mio283qt2_putreg(lcd, 0x47, 0x0051); - mio283qt2_putreg(lcd, 0x48, 0x0002); - mio283qt2_putreg(lcd, 0x49, 0x0012); - mio283qt2_putreg(lcd, 0x4a, 0x0018); - mio283qt2_putreg(lcd, 0x4b, 0x0019); - mio283qt2_putreg(lcd, 0x4c, 0x0014); - - mio283qt2_putreg(lcd, 0x50, 0x0019); - mio283qt2_putreg(lcd, 0x51, 0x002f); - mio283qt2_putreg(lcd, 0x52, 0x002c); - mio283qt2_putreg(lcd, 0x53, 0x003e); - mio283qt2_putreg(lcd, 0x54, 0x003f); - mio283qt2_putreg(lcd, 0x55, 0x003f); - mio283qt2_putreg(lcd, 0x56, 0x002e); - mio283qt2_putreg(lcd, 0x57, 0x0077); - mio283qt2_putreg(lcd, 0x58, 0x000b); - mio283qt2_putreg(lcd, 0x59, 0x0006); - mio283qt2_putreg(lcd, 0x5a, 0x0007); - mio283qt2_putreg(lcd, 0x5b, 0x000d); - mio283qt2_putreg(lcd, 0x5c, 0x001d); - mio283qt2_putreg(lcd, 0x5d, 0x00cc); - - /* 4K Color Selection */ - - mio283qt2_putreg(lcd, 0x17, 0x0003); - mio283qt2_putreg(lcd, 0x17, 0x0005); /* 0x0005=65k, 0x0006=262k */ - - /* Panel characteristics */ - - mio283qt2_putreg(lcd, 0x36, 0x0000); - - /* Display Setting */ - - mio283qt2_putreg(lcd, 0x01, 0x0000); /* IDMON=0, INVON=0, NORON=0, PTLON=0 */ - -#if defined(CONFIG_LCD_LANDSCAPE) - mio283qt2_putreg(lcd, 0x16, 0x00a8); /* MY=1, MX=0, MV=1, ML=0, BGR=1 */ -#elif defined(CONFIG_LCD_PORTRAIT) - mio283qt2_putreg(lcd, 0x16, 0x0008); /* MY=0, MX=0, MV=0, ML=0, BGR=1 */ -#elif defined(CONFIG_LCD_RLANDSCAPE) - mio283qt2_putreg(lcd, 0x16, 0x0068); /* MY=0, MX=1, MV=1, ML=0, BGR=1 */ -#elif defined(CONFIG_LCD_RPORTRAIT) - mio283qt2_putreg(lcd, 0x16, 0x00c8); /* MY=1, MX=0, MV=1, ML=0, BGR=1 */ -#endif - - /* Window setting */ - - mio283qt2_setarea(lcd, 0, 0, (MIO283QT2_XRES-1), (MIO283QT2_YRES-1)); - return OK; - } -#ifndef CONFIG_LCD_NOGETRUN - else - { - lcddbg("Unsupported LCD type\n"); - return -ENODEV; - } -#endif - - /* De-select the LCD */ - - lcd->deselect(lcd); -} - - /************************************************************************************* - * Public Functions - **************************************************************************************/ - -/************************************************************************************** - * Name: mio283qt2_lcdinitialize - * - * Description: - * Initialize the LCD video hardware. The initial state of the LCD is fully - * initialized, display memory cleared, and the LCD ready to use, but with the power - * setting at 0 (full off). - * - **************************************************************************************/ - -FAR struct lcd_dev_s *mio283qt2_lcdinitialize(FAR struct mio283qt2_lcd_s *lcd) -{ - int ret; - - lcdvdbg("Initializing\n"); - - /* If we ccould support multiple MIO283QT2 devices, this is where we would allocate - * a new driver data structure... but we can't. Why not? Because of a bad should - * the form of the getrun() and putrun methods. - */ - - FAR struct mio283qt2_dev_s *priv = &g_lcddev; - - /* Initialize the driver data structure */ - - priv->dev.getvideoinfo = mio283qt2_getvideoinfo; - priv->dev.getplaneinfo = mio283qt2_getplaneinfo; - priv->dev.getpower = mio283qt2_getpower; - priv->dev.setpower = mio283qt2_setpower; - priv->dev.getcontrast = mio283qt2_getcontrast; - priv->dev.setcontrast = mio283qt2_setcontrast; - priv->lcd = lcd; - - /* Configure and enable LCD */ - - ret = mio283qt2_hwinitialize(priv); - if (ret == OK) - { - /* Clear the display (setting it to the color 0=black) */ - - mio283qt2_clear(&priv->dev, 0); - - /* Turn the display off */ - - mio283qt2_poweroff(lcd); - return &g_lcddev.dev; - } - - return NULL; -} - -/************************************************************************************** - * Name: mio283qt2_clear - * - * Description: - * This is a non-standard LCD interface just for the stm3240g-EVAL board. Because - * of the various rotations, clearing the display in the normal way by writing a - * sequences of runs that covers the entire display can be very slow. Here the - * display is cleared by simply setting all GRAM memory to the specified color. - * - **************************************************************************************/ - -void mio283qt2_clear(FAR struct lcd_dev_s *dev, uint16_t color) -{ - FAR struct mio283qt2_dev_s *priv = (FAR struct mio283qt2_dev_s *)dev; - FAR struct mio283qt2_lcd_s *lcd = priv->lcd; - uint32_t i; - - /* Select the LCD and set the drawring area */ - - lcd->select(lcd); - mio283qt2_setarea(lcd, 0, 0, (MIO283QT2_XRES-1), (MIO283QT2_YRES-1)); - - /* Prepare to write GRAM data */ - - mio283qt2_gramselect(lcd); - - /* Copy color into all of GRAM. Orientation does not matter in this case. */ - - for (i = 0; i < MIO283QT2_XRES * MIO283QT2_YRES; i++) - { - mio283qt2_gramwrite(lcd, color); - } - - /* De-select the LCD */ - - lcd->deselect(lcd); -} - -#endif /* CONFIG_LCD_MIO283QT2 */ |