ddi_display_controller_ssd133x.c

sigmatel STMP36XX MP4方案下1289控制器和HX8347控制器

////////////////////////////////////////////////////////////////////////////////
//! \addtogroup ddi_display
//! @{
//
// Copyright (c) 2004-2005 SigmaTel, Inc.
//
//! \file ddi_display_controller_ssd133x.c
//! \brief Structures and code specific to the Solomon ssd133x controllers
//! \version 0.1
//! \date 08/2005
//!
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
// Includes and external references
////////////////////////////////////////////////////////////////////////////////
#include <types.h>
#include <gfx.h>
#include <drivers\ddi_display.h>
#include <stdarg.h>
#include <registers\regspower.h>  // need this to check for alkaline battery 
#include "..\ddi_display_controller.h"
#include "..\ddi_display_controller_priv.h"
#include <drivers\ddi_gpio.h>
#include <drivers\ddi_pwm.h>
#include <drivers\ddi_lcdif.h>
#include <string.h>
#if defined(RTOS_THREADX)
#include <os\os_thi_api.h>
#else
#include <registers\regspwm.h>
#include <registers\regspinctrl.h>
#endif
#include <drivers\ddi_etm.h>

////////////////////////////////////////////////////////////////////////////////
// Externs
////////////////////////////////////////////////////////////////////////////////

////////////////////////////////////////////////////////////////////////////////
// Definitions
////////////////////////////////////////////////////////////////////////////////

// For the 1339, parameters are send in data mode rather than command mode
#ifdef DDI_DISPLAY_CONTROLLER_SSD1339
#define PARAM_MODE DATA_MODE
#elif defined(DDI_DISPLAY_CONTROLLER_SSD1332)
#define PARAM_MODE CMD_MODE
#endif

//! Command byte to set the horizontal position register
#define DDI_DISPLAY_HORZ_REGION_CMD 0x15
//! Command byte to set the vertical position register
#define DDI_DISPLAY_VERT_REGION_CMD 0x75

#if defined(DDI_DISPLAY_ALL_TX_DRIVERS) && defined(RTOS_THREADX)


//! Defines the frequency of the backlight PWM control signal
#define BACKLIGHT_PWM_FREQ 12000000

#else 

//! Defines the CDIV value for OS independent PWM control
#define BACKLIGHT_PWM_CDIV BV_PWMn_PERIOD_CDIV__DIV_1
//! Defines the period in divided clocks for OS independent PWM control
#define BACKLIGHT_PWM_PERIOD 200

#endif 

#define DDI_DISPLAY_VCCSHUTDOWN_PWM_CHANNEL    1

#ifdef DDI_DISPLAY_CONTROLLER_SSD1339
// Max width for the controller
#define DDI_DISPLAY_CONTROLLER_MAX_WIDTH 128
// Max height for the controller
#define DDI_DISPLAY_CONTROLLER_MAX_HEIGHT 128

#elif defined(DDI_DISPLAY_CONTROLLER_SSD1332)
// Max width for the controller
#define DDI_DISPLAY_CONTROLLER_MAX_WIDTH 96
// Max height for the controller
#define DDI_DISPLAY_CONTROLLER_MAX_HEIGHT 64

#endif

#if 0
//! Minimum contrast value set in hardware
#define MIN_CONTRAST_RED (0xa0 - 63)
//! Maximum contrast value set in hardware
#define MAX_CONTRAST_RED (0xa0 + 63)

//! Minimum contrast value set in hardware
#define MIN_CONTRAST_GREEN (0x80 - 63)
//! Maximum contrast value set in hardware
#define MAX_CONTRAST_GREEN (0x80 + 63)

//! Minimum contrast value set in hardware
#define MIN_CONTRAST_BLUE (0xc0 - 63)
//! Maximum contrast value set in hardware
#define MAX_CONTRAST_BLUE (0xc0 + 63)
#endif
//! Minimum contrast value set in hardware
#define MIN_CONTRAST_RED 0
//! Maximum contrast value set in hardware
#define MAX_CONTRAST_RED 0xff

//! Minimum contrast value set in hardware
#define MIN_CONTRAST_GREEN 0
//! Maximum contrast value set in hardware
#define MAX_CONTRAST_GREEN 0xff

//! Minimum contrast value set in hardware
#define MIN_CONTRAST_BLUE 0
//! Maximum contrast value set in hardware
#define MAX_CONTRAST_BLUE 0xff


//! Min allowed brightness setting
#define MIN_BRIGHTNESS 0

//! Max allowed brightness setting
#define MAX_BRIGHTNESS 15

//! Min allowed brightness percentage
#define MIN_BRIGHTNESS_PERCENTAGE 0
//! Alkaline batttery can't support the power needed for high brightness
#define ALKALINE_MIN_BRIGHTNESS_PERCENTAGE 10

//! Max allowed brightness percentage
#define MAX_BRIGHTNESS_PERCENTAGE 70
//! Alkaline batttery can't support the power needed for high brightness
#define ALKALINE_MAX_BRIGHTNESS_PERCENTAGE 20


#ifdef DDI_LCDIF_WORDLENGTH_16BITS
#define DDI_DISPLAY_WORD_TYPE uint16_t
#define DDI_DISPLAY_WORDLENGTH WORDLENGTH_16BITS
#define DDI_DISPLAY_DATA_SWIZZLE NO_SWAP
#else
#define DDI_DISPLAY_WORD_TYPE uint8_t
#define DDI_DISPLAY_WORDLENGTH WORDLENGTH_8BITS
#define DDI_DISPLAY_DATA_SWIZZLE HWD_BYTE_SWAP 
#endif


////////////////////////////////////////////////////////////////////////////////
// Prototypes
////////////////////////////////////////////////////////////////////////////////
static void InitPwmBacklight(void);
static void delay(uint32_t u32DelayValue);

////////////////////////////////////////////////////////////////////////////////
// Variables
////////////////////////////////////////////////////////////////////////////////
//! This variable is needed since the command contains multiple fields that
//! may be modified by various operations and we cannot read from the LCDIF
static uint8_t stc_u8RemapAndColorByte = 0x70;

// variables for alkaline mode since it can't power full brighness
static uint8_t u8MaxBrightnessPercentage;
static uint8_t u8MinBrightnessPercentage;

////////////////////////////////////////////////////////////////////////////////
// Globals
////////////////////////////////////////////////////////////////////////////////
uint16_t g_ddi_display_u16ScreenWidth = DDI_DISPLAY_DEFAULT_SIZE_HORIZONTAL;
uint16_t g_ddi_display_u16ScreenHeight = DDI_DISPLAY_DEFAULT_SIZE_VERTICAL;

////////////////////////////////////////////////////////////////////////////////
// Code
////////////////////////////////////////////////////////////////////////////////

////////////////////////////////////////////////////////////////////////////////
//! \brief Writes a single command or param/data byte to the controller
//!
//! \fntype Function
//!
//! \param[in] eCommMode - CMD_MODE or DATA_MODE specifier
//! \param[in] u8CommandByte - Command or param/data to send
//!
//! This function sends a single byte to the display controller
//!
////////////////////////////////////////////////////////////////////////////////
void WriteDirect(hw_lcdif_CommMode_t eCommMode, uint8_t u8CommandByte)
{
    uint32_t u32Command = u8CommandByte;
    RtStatus_t ret;
    switch( ddi_lcdif_GetDataSwizzle() )
    {
        case NO_SWAP:
            // Leave the data as is
            break;
        case HWD_BYTE_SWAP:    // Swap bytes within each half-word
            // Move command byte to upper half of lower 16-bit word
            u32Command <<= 8;
            break;
        case HWD_SWAP:         // Swap half-words
            // Move command byte to lower half of upper 16-bit word
            u32Command <<= 16;
            break;
        case SWAP_ALL_BYTES:   // Swap bytes 0,3 and 1,2
            // Move command byte to upper half of upper 16-bit word
            u32Command <<= 24;
            break;
        default:
            SystemHalt();      // Programming error
    }

    ret = ddi_lcdif_WriteDirect(eCommMode, (void *)&u32Command, sizeof(DDI_DISPLAY_WORD_TYPE));
    assert(!ret);
}


////////////////////////////////////////////////////////////////////////////////
//! \brief Sends commands to initialize the controller from reset
//!
//! \fntype Function
//!
//! \param[in] eBitmapType - Graphics color format specifier
//! \param[in] u32ScreenWidth - Desired screen width setting
//! \param[in] u32ScreenHeight - Desired screen height setting
//!
//! This function sends commands to initialize the controller after it has
//! been taken out of reset.
//!
//! \retval SUCCESS No error
//!
//! \retval ERROR_DDI_DISPLAY_CONTROLLER_BITMAP_TYPE_UNSUPPORTED - This
//!         controller does not support the given bitmap color type
//!
//! \retval ERROR_DDI_DISPLAY_CONTROLLER_SCREEN_SIZE - This
//!         controller does not support the given screen dimensions
//!
////////////////////////////////////////////////////////////////////////////////
static RtStatus_t SendControllerInitSeq(gfx_BitmapTypeEnum_t eBitmapType, 
                                        uint32_t u32ScreenWidth, uint32_t u32ScreenHeight )
{
    //Init command
    WriteDirect(CMD_MODE, 0xAE);    // Sleep mode on (display off)
    
    WriteDirect(CMD_MODE, 0xA0);    // Remap and color depth
    WriteDirect(PARAM_MODE, stc_u8RemapAndColorByte);  // 64k color, enable COM split odd even, scan from COM[N-1] to COM0

    WriteDirect(CMD_MODE, 0xA1);    // Display start line
    WriteDirect(PARAM_MODE, 0x00);
    WriteDirect(CMD_MODE, 0xA2);    // Display offset
    WriteDirect(PARAM_MODE, 0x00);
    
    WriteDirect(CMD_MODE, 0xB0);    // Set power saving mode
    WriteDirect(PARAM_MODE, 0x00);
    WriteDirect(CMD_MODE, 0xB1);    // phase 1 and 2 period adjustment
    WriteDirect(PARAM_MODE, 0x74);

#ifdef DDI_DISPLAY_CONTROLLER_SSD1332
    WriteDirect(CMD_MODE, 0xA8);    // Set multiplex ratio
    WriteDirect(PARAM_MODE, 63);
    
    WriteDirect(CMD_MODE, 0x87);    // Master current control / attenuation
    WriteDirect(PARAM_MODE, 0x09);

    WriteDirect(CMD_MODE, 0x81);    // Contrast for color A
    WriteDirect(PARAM_MODE, 0xA0);  
    WriteDirect(CMD_MODE, 0x82);    // Contrast for color B
    WriteDirect(PARAM_MODE, 0x80);
    WriteDirect(CMD_MODE, 0x83);    // Contrast for color C
    WriteDirect(PARAM_MODE, 0xC0);

    WriteDirect(CMD_MODE, 0xBB);    // Set pre-charge voltage of color A
    WriteDirect(PARAM_MODE, 0x1F);
    WriteDirect(CMD_MODE, 0xBC);    // Set pre-charge voltage of color B
    WriteDirect(PARAM_MODE, 0x0F);
    WriteDirect(CMD_MODE, 0xBD);    // Set pre-charge voltage of color C
    WriteDirect(PARAM_MODE, 0x1F);

    WriteDirect(CMD_MODE, 0xBE);    // Set VCOMH
    WriteDirect(PARAM_MODE, 0x3F);

    WriteDirect(CMD_MODE, 0xB3);    // Display clock divider / oscillator frequency
    WriteDirect(PARAM_MODE, 0xB0);
    
#elif defined(DDI_DISPLAY_CONTROLLER_SSD1339)
    WriteDirect(CMD_MODE, 0xCA);    // Set multiplex ratio
    WriteDirect(PARAM_MODE, 131);

    WriteDirect(CMD_MODE, 0xc7);    // Master current control / attenuation
    WriteDirect(PARAM_MODE, 0x09);

    WriteDirect(CMD_MODE, 0xc1);    // Contrast for color A, B, and C
    WriteDirect(PARAM_MODE, 0xA0);  
    WriteDirect(PARAM_MODE, 0x80);
    WriteDirect(PARAM_MODE, 0xC0);

    WriteDirect(CMD_MODE, 0xBB);    // Set pre-charge voltage of color A, B, and C
    WriteDirect(PARAM_MODE, 0x1F);
    WriteDirect(PARAM_MODE, 0x0F);
    WriteDirect(PARAM_MODE, 0x1F);

    WriteDirect(CMD_MODE, 0xBE);    // Set VCOMH
    WriteDirect(PARAM_MODE, 0x3F);

    WriteDirect(CMD_MODE, 0xB3);    // Display clock divider / oscillator frequency
    WriteDirect(PARAM_MODE, 0x90);
#endif
    
    // The 32 commands after 0xB8 set the current drive pulse width of the gray scale level 
    WriteDirect(CMD_MODE, 0xB8);
    WriteDirect(PARAM_MODE, 0x01);
    WriteDirect(PARAM_MODE, 0x05);
    WriteDirect(PARAM_MODE, 0x09);
    WriteDirect(PARAM_MODE, 0x0D);
    WriteDirect(PARAM_MODE, 0x11);
    WriteDirect(PARAM_MODE, 0x15);
    WriteDirect(PARAM_MODE, 0x19);
    WriteDirect(PARAM_MODE, 0x1D);
    WriteDirect(PARAM_MODE, 0x21);
    WriteDirect(PARAM_MODE, 0x25);
    WriteDirect(PARAM_MODE, 0x29);
    WriteDirect(PARAM_MODE, 0x2D);
    WriteDirect(PARAM_MODE, 0x31);
    WriteDirect(PARAM_MODE, 0x35);
    WriteDirect(PARAM_MODE, 0x39);
    WriteDirect(PARAM_MODE, 0x3D);        
    WriteDirect(PARAM_MODE, 0x41);
    WriteDirect(PARAM_MODE, 0x45);
    WriteDirect(PARAM_MODE, 0x49);
    WriteDirect(PARAM_MODE, 0x4D);
    WriteDirect(PARAM_MODE, 0x51);
    WriteDirect(PARAM_MODE, 0x55);
    WriteDirect(PARAM_MODE, 0x59);
    WriteDirect(PARAM_MODE, 0x5D);    
    WriteDirect(PARAM_MODE, 0x61);
    WriteDirect(PARAM_MODE, 0x65);
    WriteDirect(PARAM_MODE, 0x69);
    WriteDirect(PARAM_MODE, 0x6D);
    WriteDirect(PARAM_MODE, 0x71);
    WriteDirect(PARAM_MODE, 0x75);
    WriteDirect(PARAM_MODE, 0x79);
    WriteDirect(PARAM_MODE, 0x7D);

    WriteDirect(CMD_MODE, 0xA4);    // Set display mode
    WriteDirect(CMD_MODE, 0xAD);    // Set master configuration
    WriteDirect(CMD_MODE, 0x8E);    // Select internal VP, internal VCOMH, external VCC supply