File-copy from v4.4.100
This is the result of 'cp' from a linux-stable tree with the 'v4.4.100'
tag checked out (commit 26d6298789e695c9f627ce49a7bbd2286405798a) on
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Please refer to that tree for all history prior to this point.
Change-Id: I8a9ee2aea93cd29c52c847d0ce33091a73ae6afe
diff --git a/arch/parisc/include/asm/led.h b/arch/parisc/include/asm/led.h
new file mode 100644
index 0000000..c3405ab
--- /dev/null
+++ b/arch/parisc/include/asm/led.h
@@ -0,0 +1,42 @@
+#ifndef LED_H
+#define LED_H
+
+#define LED7 0x80 /* top (or furthest right) LED */
+#define LED6 0x40
+#define LED5 0x20
+#define LED4 0x10
+#define LED3 0x08
+#define LED2 0x04
+#define LED1 0x02
+#define LED0 0x01 /* bottom (or furthest left) LED */
+
+#define LED_LAN_TX LED0 /* for LAN transmit activity */
+#define LED_LAN_RCV LED1 /* for LAN receive activity */
+#define LED_DISK_IO LED2 /* for disk activity */
+#define LED_HEARTBEAT LED3 /* heartbeat */
+
+/* values for pdc_chassis_lcd_info_ret_block.model: */
+#define DISPLAY_MODEL_LCD 0 /* KittyHawk LED or LCD */
+#define DISPLAY_MODEL_NONE 1 /* no LED or LCD */
+#define DISPLAY_MODEL_LASI 2 /* LASI style 8 bit LED */
+#define DISPLAY_MODEL_OLD_ASP 0x7F /* faked: ASP style 8 x 1 bit LED (only very old ASP versions) */
+
+#define LED_CMD_REG_NONE 0 /* NULL == no addr for the cmd register */
+
+/* register_led_driver() */
+int __init register_led_driver(int model, unsigned long cmd_reg, unsigned long data_reg);
+
+/* registers the LED regions for procfs */
+void __init register_led_regions(void);
+
+#ifdef CONFIG_CHASSIS_LCD_LED
+/* writes a string to the LCD display (if possible on this h/w) */
+int lcd_print(const char *str);
+#else
+#define lcd_print(str)
+#endif
+
+/* main LED initialization function (uses PDC) */
+int __init led_init(void);
+
+#endif /* LED_H */