1 files changed, 186 insertions, 0 deletions

diff --git a/drivers/char/lcd.h b/drivers/char/lcd.h
new file mode 100644
index 000000000000..878a95280e87
--- /dev/null
+++ b/drivers/char/lcd.h
@@ -0,0 +1,186 @@
+/*
+ * 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
+
+static int dqpoll(volatile unsigned long, volatile unsigned char );
+static int timeout(volatile unsigned long);
+
+#define LCD_CHARS_PER_LINE 40
+#define FLASH_SIZE 524288
+#define MAX_IDLE_TIME 120
+
+struct lcd_display {
+        unsigned long 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
+
+
+// Flash definitions AMD 29F040
+#define kFlashBase      0x0FC00000
+
+#define kFlash_Addr1    0x5555
+#define kFlash_Addr2    0x2AAA
+#define kFlash_Data1    0xAA
+#define kFlash_Data2    0x55
+#define kFlash_Prog     0xA0
+#define kFlash_Erase3   0x80
+#define kFlash_Erase6   0x10
+#define kFlash_Read     0xF0
+
+#define kFlash_ID       0x90
+#define kFlash_VenAddr  0x00
+#define kFlash_DevAddr  0x01
+#define kFlash_VenID    0x01
+#define kFlash_DevID    0xA4    // 29F040
+//#define kFlash_DevID  0xAD    // 29F016
+
+
+// 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)
+
+#define WRITE_FLASH(x,y) outb((char)y, kFlashBase | (x))
+#define READ_FLASH(x)   (inb(kFlashBase | (x)))
+
+
+
+/*
+ * 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
+
+//  Flash command codes
+#define FLASH_Erase             60
+#define FLASH_Burn              61
+#define FLASH_Read              62
+
+
+// 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
+