diff options
Diffstat (limited to 'arch/arm/include/asm/arch-uniphier/led.h')
-rw-r--r-- | arch/arm/include/asm/arch-uniphier/led.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-uniphier/led.h b/arch/arm/include/asm/arch-uniphier/led.h new file mode 100644 index 0000000..21277da --- /dev/null +++ b/arch/arm/include/asm/arch-uniphier/led.h @@ -0,0 +1,101 @@ +/* + * Copyright (C) 2012-2014 Panasonic Corporation + * Author: Masahiro Yamada <yamada.m@jp.panasonic.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef ARCH_LED_H +#define ARCH_LED_H + +#include <config.h> + +#define LED_CHAR_0 0x7e +#define LED_CHAR_1 0x0c +#define LED_CHAR_2 0xb6 +#define LED_CHAR_3 0x9e +#define LED_CHAR_4 0xcc +#define LED_CHAR_5 0xda +#define LED_CHAR_6 0xfa +#define LED_CHAR_7 0x4e +#define LED_CHAR_8 0xfe +#define LED_CHAR_9 0xde + +#define LED_CHAR_A 0xee +#define LED_CHAR_B 0xf8 +#define LED_CHAR_C 0x72 +#define LED_CHAR_D 0xbc +#define LED_CHAR_E 0xf2 +#define LED_CHAR_F 0xe2 +#define LED_CHAR_G 0x7a +#define LED_CHAR_H 0xe8 +#define LED_CHAR_I 0x08 +#define LED_CHAR_J 0x3c +#define LED_CHAR_K 0xea +#define LED_CHAR_L 0x70 +#define LED_CHAR_M 0x6e +#define LED_CHAR_N 0xa8 +#define LED_CHAR_O 0xb8 +#define LED_CHAR_P 0xe6 +#define LED_CHAR_Q 0xce +#define LED_CHAR_R 0xa0 +#define LED_CHAR_S 0xc8 +#define LED_CHAR_T 0x8c +#define LED_CHAR_U 0x7c +#define LED_CHAR_V 0x54 +#define LED_CHAR_W 0xfc +#define LED_CHAR_X 0xec +#define LED_CHAR_Y 0xdc +#define LED_CHAR_Z 0xa4 + +#define LED_CHAR_SPACE 0x00 +#define LED_CHAR_DOT 0x01 + +#define LED_CHAR_ (LED_CHAR_SPACE) + +/** Macro to translate 4 characters into integer to display led */ +#define LED_C2I(C0, C1, C2, C3) \ + (~( \ + (LED_CHAR_##C0 << 24) | \ + (LED_CHAR_##C1 << 16) | \ + (LED_CHAR_##C2 << 8) | \ + (LED_CHAR_##C3) \ + )) + +#if defined(CONFIG_SUPPORT_CARD_LED_BASE) + +#define LED_ADDR CONFIG_SUPPORT_CARD_LED_BASE + +#ifdef __ASSEMBLY__ + +#define led_write(C0, C1, C2, C3) raw_led_write LED_C2I(C0, C1, C2, C3) +.macro raw_led_write data + ldr r0, =\data + ldr r1, =LED_ADDR + str r0, [r1] +.endm + +#else /* __ASSEMBLY__ */ + +#include <asm/io.h> + +#define led_write(C0, C1, C2, C3) \ +do { \ + raw_led_write(LED_C2I(C0, C1, C2, C3)); \ +} while (0) + +static inline void raw_led_write(u32 data) +{ + writel(data, LED_ADDR); +} + +#endif /* __ASSEMBLY__ */ + +#else /* CONFIG_SUPPORT_CARD_LED_BASE */ + +#define led_write(C0, C1, C2, C3) +#define raw_led_write(x) + +#endif /* CONFIG_SUPPORT_CARD_LED_BASE */ + +#endif /* ARCH_LED_H */ |