projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / blame
| Commit | Line | Data |
|---|---|---|
| b920de1b DH |
1 | /* ASB2303 peripheral 7-segment LEDs x1 support |
| 2 | * | |
| 3 | * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. | |
| 4 | * Written by David Howells (dhowells@redhat.com) | |
| 5 | * | |
| 6 | * This program is free software; you can redistribute it and/or | |
| 7 | * modify it under the terms of the GNU General Public Licence | |
| 8 | * as published by the Free Software Foundation; either version | |
| 9 | * 2 of the Licence, or (at your option) any later version. | |
| 10 | */ | |
| 11 | #include <linux/kernel.h> | |
| 12 | #include <linux/param.h> | |
| 13 | #include <linux/init.h> | |
| 14 | ||
| 15 | #include <asm/io.h> | |
| 16 | #include <asm/processor.h> | |
| 17 | #include <asm/intctl-regs.h> | |
| 18 | #include <asm/rtc-regs.h> | |
| 2f2a2132 | 19 | #include <unit/leds.h> |
| b920de1b DH |
20 | |
| 21 | #if 0 | |
| 22 | static const u8 asb2303_led_hex_tbl[16] = { | |
| 23 | 0x80, 0xf2, 0x48, 0x60, 0x32, 0x24, 0x04, 0xf0, | |
| 24 | 0x00, 0x20, 0x10, 0x06, 0x8c, 0x42, 0x0c, 0x1c | |
| 25 | }; | |
| 26 | #endif | |
| 27 | ||
| 28 | static const u8 asb2303_led_chase_tbl[6] = { | |
| 29 | ~0x02, /* top - segA */ | |
| 30 | ~0x04, /* right top - segB */ | |
| 31 | ~0x08, /* right bottom - segC */ | |
| 32 | ~0x10, /* bottom - segD */ | |
| 33 | ~0x20, /* left bottom - segE */ | |
| 34 | ~0x40, /* left top - segF */ | |
| 35 | }; | |
| 36 | ||
| 37 | static unsigned asb2303_led_chase; | |
| 38 | ||
| 39 | void peripheral_leds_display_exception(enum exception_code code) | |
| 40 | { | |
| 41 | ASB2303_GPIO0DEF = 0x5555; /* configure as an output port */ | |
| 42 | ASB2303_7SEGLEDS = 0x6d; /* triple horizontal bar */ | |
| 43 | } | |
| 44 | ||
| 45 | void peripheral_leds_led_chase(void) | |
| 46 | { | |
| 47 | ASB2303_GPIO0DEF = 0x5555; /* configure as an output port */ | |
| 48 | ASB2303_7SEGLEDS = asb2303_led_chase_tbl[asb2303_led_chase]; | |
| 49 | asb2303_led_chase++; | |
| 50 | if (asb2303_led_chase >= 6) | |
| 51 | asb2303_led_chase = 0; | |
| 52 | } |