projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / blame
| Commit | Line | Data |
|---|---|---|
| 368dd5ac AT |
1 | /* leds.c: ASB2364 peripheral 7seg LEDs x4 support |
| 2 | * | |
| 3 | * Copyright (C) 2002 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 License | |
| 8 | * as published by the Free Software Foundation; either version | |
| 9 | * 2 of the License, or (at your option) any later version. | |
| 10 | */ | |
| 11 | ||
| 12 | #include <linux/kernel.h> | |
| 13 | #include <linux/param.h> | |
| 14 | #include <linux/init.h> | |
| 15 | ||
| 16 | #include <asm/io.h> | |
| 17 | #include <asm/processor.h> | |
| 18 | #include <asm/intctl-regs.h> | |
| 19 | #include <asm/rtc-regs.h> | |
| 20 | #include <unit/leds.h> | |
| 21 | ||
| 22 | #if MN10300_USE_7SEGLEDS | |
| 23 | static const u8 asb2364_led_hex_tbl[16] = { | |
| 24 | 0x80, 0xf2, 0x48, 0x60, 0x32, 0x24, 0x04, 0xf0, | |
| 25 | 0x00, 0x20, 0x10, 0x06, 0x8c, 0x42, 0x0c, 0x1c | |
| 26 | }; | |
| 27 | ||
| 28 | static const u32 asb2364_led_chase_tbl[6] = { | |
| 29 | ~0x02020202, /* top - segA */ | |
| 30 | ~0x04040404, /* right top - segB */ | |
| 31 | ~0x08080808, /* right bottom - segC */ | |
| 32 | ~0x10101010, /* bottom - segD */ | |
| 33 | ~0x20202020, /* left bottom - segE */ | |
| 34 | ~0x40404040, /* left top - segF */ | |
| 35 | }; | |
| 36 | ||
| 37 | static unsigned asb2364_led_chase; | |
| 38 | ||
| 39 | void peripheral_leds7x4_display_dec(unsigned int val, unsigned int points) | |
| 40 | { | |
| 41 | u32 leds; | |
| 42 | ||
| 43 | leds = asb2364_led_hex_tbl[(val/1000) % 10]; | |
| 44 | leds <<= 8; | |
| 45 | leds |= asb2364_led_hex_tbl[(val/100) % 10]; | |
| 46 | leds <<= 8; | |
| 47 | leds |= asb2364_led_hex_tbl[(val/10) % 10]; | |
| 48 | leds <<= 8; | |
| 49 | leds |= asb2364_led_hex_tbl[val % 10]; | |
| 50 | leds |= points^0x01010101; | |
| 51 | ||
| 52 | ASB2364_7SEGLEDS = leds; | |
| 53 | } | |
| 54 | ||
| 55 | void peripheral_leds7x4_display_hex(unsigned int val, unsigned int points) | |
| 56 | { | |
| 57 | u32 leds; | |
| 58 | ||
| 59 | leds = asb2364_led_hex_tbl[(val/1000) % 10]; | |
| 60 | leds <<= 8; | |
| 61 | leds |= asb2364_led_hex_tbl[(val/100) % 10]; | |
| 62 | leds <<= 8; | |
| 63 | leds |= asb2364_led_hex_tbl[(val/10) % 10]; | |
| 64 | leds <<= 8; | |
| 65 | leds |= asb2364_led_hex_tbl[val % 10]; | |
| 66 | leds |= points^0x01010101; | |
| 67 | ||
| 68 | ASB2364_7SEGLEDS = leds; | |
| 69 | } | |
| 70 | ||
| 71 | /* display triple horizontal bar and exception code */ | |
| 72 | void peripheral_leds_display_exception(enum exception_code code) | |
| 73 | { | |
| 74 | u32 leds; | |
| 75 | ||
| 76 | leds = asb2364_led_hex_tbl[(code/0x100) % 0x10]; | |
| 77 | leds <<= 8; | |
| 78 | leds |= asb2364_led_hex_tbl[(code/0x10) % 0x10]; | |
| 79 | leds <<= 8; | |
| 80 | leds |= asb2364_led_hex_tbl[code % 0x10]; | |
| 81 | leds |= 0x6d010101; | |
| 82 | ||
| 83 | ASB2364_7SEGLEDS = leds; | |
| 84 | } | |
| 85 | ||
| 86 | void peripheral_leds_led_chase(void) | |
| 87 | { | |
| 88 | ASB2364_7SEGLEDS = asb2364_led_chase_tbl[asb2364_led_chase]; | |
| 89 | asb2364_led_chase++; | |
| 90 | if (asb2364_led_chase >= 6) | |
| 91 | asb2364_led_chase = 0; | |
| 92 | } | |
| 93 | #else /* MN10300_USE_7SEGLEDS */ | |
| 94 | void peripheral_leds7x4_display_dec(unsigned int val, unsigned int points) { } | |
| 95 | void peripheral_leds7x4_display_hex(unsigned int val, unsigned int points) { } | |
| 96 | void peripheral_leds_display_exception(enum exception_code code) { } | |
| 97 | void peripheral_leds_led_chase(void) { } | |
| 98 | #endif /* MN10300_USE_7SEGLEDS */ |