[linux-2.6-block.git] / drivers / char / lcd.h

/*
 * 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
Commit	Line	Data
1da177e4 LT	1	/*
	2	* LED, LCD and Button panel driver for Cobalt
	3	*
	4	* This file is subject to the terms and conditions of the GNU General Public
	5	* License. See the file "COPYING" in the main directory of this archive
	6	* for more details.
	7	*
	8	* Copyright (C) 1996, 1997 by Andrew Bose
	9	*
	10	* Linux kernel version history:
	11	* March 2001: Ported from 2.0.34 by Liam Davies
	12	*
	13	*/
	14
	15	// function headers
	16
1da177e4	17	#define LCD_CHARS_PER_LINE 40
1da177e4 LT	18	#define MAX_IDLE_TIME 120
	19
	20	struct lcd_display {
c4ed38a0	21	unsigned buttons;
1da177e4 LT	22	int size1;
	23	int size2;
	24	unsigned char line1[LCD_CHARS_PER_LINE];
	25	unsigned char line2[LCD_CHARS_PER_LINE];
	26	unsigned char cursor_address;
	27	unsigned char character;
	28	unsigned char leds;
	29	unsigned char *RomImage;
	30	};
	31
	32
	33
	34	#define LCD_DRIVER "Cobalt LCD Driver v2.10"
	35
	36	#define LCD "lcd: "
	37
	38	#define kLCD_IR 0x0F000000
	39	#define kLCD_DR 0x0F000010
	40	#define kGPI 0x0D000000
	41	#define kLED 0x0C000000
	42
	43	#define kDD_R00 0x00
	44	#define kDD_R01 0x27
	45	#define kDD_R10 0x40
	46	#define kDD_R11 0x67
	47
	48	#define kLCD_Addr 0x00000080
	49
	50	#define LCDTimeoutValue 0xfff
	51
	52
1da177e4 LT	53	// Macros
	54
	55	#define LCDWriteData(x) outl((x << 24), kLCD_DR)
	56	#define LCDWriteInst(x) outl((x << 24), kLCD_IR)
	57
	58	#define LCDReadData (inl(kLCD_DR) >> 24)
	59	#define LCDReadInst (inl(kLCD_IR) >> 24)
	60
	61	#define GPIRead (inl(kGPI) >> 24)
	62
	63	#define LEDSet(x) outb((char)x, kLED)
	64
	65	#define WRITE_GAL(x,y) outl(y, 0x04000000 \| (x))
	66	#define BusyCheck() while ((LCDReadInst & 0x80) == 0x80)
	67
1da177e4 LT	68
	69
	70	/*
	71	* Function command codes for io_ctl.
	72	*/
	73	#define LCD_On 1
	74	#define LCD_Off 2
	75	#define LCD_Clear 3
	76	#define LCD_Reset 4
	77	#define LCD_Cursor_Left 5
	78	#define LCD_Cursor_Right 6
	79	#define LCD_Disp_Left 7
	80	#define LCD_Disp_Right 8
	81	#define LCD_Get_Cursor 9
	82	#define LCD_Set_Cursor 10
	83	#define LCD_Home 11
	84	#define LCD_Read 12
	85	#define LCD_Write 13
	86	#define LCD_Cursor_Off 14
	87	#define LCD_Cursor_On 15
	88	#define LCD_Get_Cursor_Pos 16
	89	#define LCD_Set_Cursor_Pos 17
	90	#define LCD_Blink_Off 18
	91
	92	#define LED_Set 40
	93	#define LED_Bit_Set 41
	94	#define LED_Bit_Clear 42
	95
	96
	97	// Button defs
	98	#define BUTTON_Read 50
	99
1da177e4 LT	100
	101	// Ethernet LINK check hackaroo
	102	#define LINK_Check 90
	103	#define LINK_Check_2 91
	104
	105	// Button patterns _B - single layer lcd boards
	106
	107	#define BUTTON_NONE 0x3F
	108	#define BUTTON_NONE_B 0xFE
	109
	110	#define BUTTON_Left 0x3B
	111	#define BUTTON_Left_B 0xFA
	112
	113	#define BUTTON_Right 0x37
	114	#define BUTTON_Right_B 0xDE
	115
	116	#define BUTTON_Up 0x2F
	117	#define BUTTON_Up_B 0xF6
	118
	119	#define BUTTON_Down 0x1F
	120	#define BUTTON_Down_B 0xEE
	121
	122	#define BUTTON_Next 0x3D
	123	#define BUTTON_Next_B 0x7E
	124
	125	#define BUTTON_Enter 0x3E
	126	#define BUTTON_Enter_B 0xBE
	127
	128	#define BUTTON_Reset_B 0xFC
	129
	130
	131	// debounce constants
	132
	133	#define BUTTON_SENSE 160000
	134	#define BUTTON_DEBOUNCE 5000
	135
	136
	137	// Galileo register stuff
	138
	139	#define kGal_DevBank2Cfg 0x1466DB33
	140	#define kGal_DevBank2PReg 0x464
	141	#define kGal_DevBank3Cfg 0x146FDFFB
	142	#define kGal_DevBank3PReg 0x468
	143
	144	// Network
	145
	146	#define kIPADDR 1
	147	#define kNETMASK 2
	148	#define kGATEWAY 3
	149	#define kDNS 4
	150
	151	#define kClassA 5
	152	#define kClassB 6
	153	#define kClassC 7
	154