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/*

 * LED, LCD and Button panel driver for Cobalt

 *

 * This file is subject to the terms and conditions of the GNU General Public

 * License.  See the file "COPYING" in the main directory of this archive

 * for more details.

 *

 * Copyright (C) 1996, 1997 by Andrew Bose

 *

 * Linux kernel version history:

 *       March 2001: Ported from 2.0.34  by Liam Davies

 *

 */

// function headers

#define LCD_CHARS_PER_LINE 40

#define MAX_IDLE_TIME 120

struct lcd_display {

        unsigned buttons;

        int size1;

        int size2;

        unsigned char line1[LCD_CHARS_PER_LINE];

        unsigned char line2[LCD_CHARS_PER_LINE];

        unsigned char cursor_address;

        unsigned char character;

        unsigned char leds;

        unsigned char *RomImage;

};

#define LCD_DRIVER      "Cobalt LCD Driver v2.10"

#define LCD             "lcd: "

#define kLCD_IR         0x0F000000

#define kLCD_DR         0x0F000010

#define kGPI            0x0D000000

#define kLED            0x0C000000

#define kDD_R00         0x00

#define kDD_R01         0x27

#define kDD_R10         0x40

#define kDD_R11         0x67

#define kLCD_Addr       0x00000080

#define LCDTimeoutValue 0xfff

// Macros

#define LCDWriteData(x) outl((x << 24), kLCD_DR)

#define LCDWriteInst(x) outl((x << 24), kLCD_IR)

#define LCDReadData     (inl(kLCD_DR) >> 24)

#define LCDReadInst     (inl(kLCD_IR) >> 24)

#define GPIRead         (inl(kGPI) >> 24)

#define LEDSet(x)       outb((char)x, kLED)

#define WRITE_GAL(x,y)  outl(y, 0x04000000 | (x))

#define BusyCheck()     while ((LCDReadInst & 0x80) == 0x80)

/*

 * Function command codes for io_ctl.

 */

#define LCD_On                  1

#define LCD_Off                 2

#define LCD_Clear               3

#define LCD_Reset               4

#define LCD_Cursor_Left         5

#define LCD_Cursor_Right        6

#define LCD_Disp_Left           7

#define LCD_Disp_Right          8

#define LCD_Get_Cursor          9

#define LCD_Set_Cursor          10

#define LCD_Home                11

#define LCD_Read                12

#define LCD_Write               13

#define LCD_Cursor_Off          14

#define LCD_Cursor_On           15

#define LCD_Get_Cursor_Pos      16

#define LCD_Set_Cursor_Pos      17

#define LCD_Blink_Off           18

#define LED_Set                 40

#define LED_Bit_Set             41

#define LED_Bit_Clear           42

//  Button defs

#define BUTTON_Read             50

// Ethernet LINK check hackaroo

#define LINK_Check              90

#define LINK_Check_2            91

//  Button patterns  _B - single layer lcd boards

#define BUTTON_NONE               0x3F

#define BUTTON_NONE_B             0xFE

#define BUTTON_Left               0x3B

#define BUTTON_Left_B             0xFA

#define BUTTON_Right              0x37

#define BUTTON_Right_B            0xDE

#define BUTTON_Up                 0x2F

#define BUTTON_Up_B               0xF6

#define BUTTON_Down               0x1F

#define BUTTON_Down_B             0xEE

#define BUTTON_Next               0x3D

#define BUTTON_Next_B             0x7E

#define BUTTON_Enter              0x3E

#define BUTTON_Enter_B            0xBE

#define BUTTON_Reset_B            0xFC

// debounce constants

#define BUTTON_SENSE            160000

#define BUTTON_DEBOUNCE         5000

//  Galileo register stuff

#define kGal_DevBank2Cfg        0x1466DB33

#define kGal_DevBank2PReg       0x464

#define kGal_DevBank3Cfg        0x146FDFFB

#define kGal_DevBank3PReg       0x468

// Network

#define kIPADDR                 1

#define kNETMASK                2

#define kGATEWAY                3

#define kDNS                    4

#define kClassA                 5

#define kClassB                 6

#define kClassC                 7