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author | Timothy Pearson <tpearson@raptorengineering.com> | 2017-08-23 14:45:25 -0500 |
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committer | Timothy Pearson <tpearson@raptorengineering.com> | 2017-08-23 14:45:25 -0500 |
commit | fcbb27b0ec6dcbc5a5108cb8fb19eae64593d204 (patch) | |
tree | 22962a4387943edc841c72a4e636a068c66d58fd /arch/parisc/include/asm/led.h | |
download | ast2050-linux-kernel-fcbb27b0ec6dcbc5a5108cb8fb19eae64593d204.zip ast2050-linux-kernel-fcbb27b0ec6dcbc5a5108cb8fb19eae64593d204.tar.gz |
Initial import of modified Linux 2.6.28 tree
Original upstream URL:
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git | branch linux-2.6.28.y
Diffstat (limited to 'arch/parisc/include/asm/led.h')
-rw-r--r-- | arch/parisc/include/asm/led.h | 42 |
1 files changed, 42 insertions, 0 deletions
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 */ |