diff options
Diffstat (limited to 'include/hw/misc')
| -rw-r--r-- | include/hw/misc/led.h | 97 | ||||
| -rw-r--r-- | include/hw/misc/mps2-fpgaio.h | 2 | ||||
| -rw-r--r-- | include/hw/misc/mps2-scc.h | 2 | ||||
| -rw-r--r-- | include/hw/misc/sifive_u_otp.h | 5 |
4 files changed, 106 insertions, 0 deletions
diff --git a/include/hw/misc/led.h b/include/hw/misc/led.h new file mode 100644 index 0000000000..aa359b87c2 --- /dev/null +++ b/include/hw/misc/led.h @@ -0,0 +1,97 @@ +/* + * QEMU single LED device + * + * Copyright (C) 2020 Philippe Mathieu-Daudé <f4bug@amsat.org> + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ +#ifndef HW_MISC_LED_H +#define HW_MISC_LED_H + +#include "qom/object.h" +#include "hw/qdev-core.h" + +#define TYPE_LED "led" + +/** + * LEDColor: Color of a LED + * + * This set is restricted to physically available LED colors. + * + * LED colors from 'Table 1. Product performance of LUXEON Rebel Color + * Line' of the 'DS68 LUXEON Rebel Color Line' datasheet available at: + * https://www.lumileds.com/products/color-leds/luxeon-rebel-color/ + */ +typedef enum { /* Coarse wavelength range */ + LED_COLOR_VIOLET, /* 425 nm */ + LED_COLOR_BLUE, /* 475 nm */ + LED_COLOR_CYAN, /* 500 nm */ + LED_COLOR_GREEN, /* 535 nm */ + LED_COLOR_AMBER, /* 590 nm */ + LED_COLOR_ORANGE, /* 615 nm */ + LED_COLOR_RED, /* 630 nm */ +} LEDColor; + +struct LEDState { + /* Private */ + DeviceState parent_obj; + /* Public */ + + uint8_t intensity_percent; + qemu_irq irq; + + /* Properties */ + char *description; + char *color; + /* + * Determines whether a GPIO is using a positive (active-high) + * logic (when used with GPIO, the intensity at reset is related + * to the GPIO polarity). + */ + bool gpio_active_high; +}; +typedef struct LEDState LEDState; +DECLARE_INSTANCE_CHECKER(LEDState, LED, TYPE_LED) + +/** + * led_set_intensity: Set the intensity of a LED device + * @s: the LED object + * @intensity_percent: intensity as percentage in range 0 to 100. + */ +void led_set_intensity(LEDState *s, unsigned intensity_percent); + +/** + * led_get_intensity: + * @s: the LED object + * + * Returns: The LED intensity as percentage in range 0 to 100. + */ +unsigned led_get_intensity(LEDState *s); + +/** + * led_set_state: Set the state of a LED device + * @s: the LED object + * @is_emitting: boolean indicating whether the LED is emitting + * + * This utility is meant for LED connected to GPIO. + */ +void led_set_state(LEDState *s, bool is_emitting); + +/** + * led_create_simple: Create and realize a LED device + * @parentobj: the parent object + * @gpio_polarity: GPIO polarity + * @color: color of the LED + * @description: description of the LED (optional) + * + * Create the device state structure, initialize it, and + * drop the reference to it (the device is realized). + * + * Returns: The newly allocated and instantiated LED object. + */ +LEDState *led_create_simple(Object *parentobj, + GpioPolarity gpio_polarity, + LEDColor color, + const char *description); + +#endif /* HW_MISC_LED_H */ diff --git a/include/hw/misc/mps2-fpgaio.h b/include/hw/misc/mps2-fpgaio.h index 80f9227aa6..a010fdb2b6 100644 --- a/include/hw/misc/mps2-fpgaio.h +++ b/include/hw/misc/mps2-fpgaio.h @@ -22,6 +22,7 @@ #define MPS2_FPGAIO_H #include "hw/sysbus.h" +#include "hw/misc/led.h" #include "qom/object.h" #define TYPE_MPS2_FPGAIO "mps2-fpgaio" @@ -33,6 +34,7 @@ struct MPS2FPGAIO { /*< public >*/ MemoryRegion iomem; + LEDState *led[2]; uint32_t led0; uint32_t prescale; diff --git a/include/hw/misc/mps2-scc.h b/include/hw/misc/mps2-scc.h index e922b3c8e0..f65d873203 100644 --- a/include/hw/misc/mps2-scc.h +++ b/include/hw/misc/mps2-scc.h @@ -13,6 +13,7 @@ #define MPS2_SCC_H #include "hw/sysbus.h" +#include "hw/misc/led.h" #include "qom/object.h" #define TYPE_MPS2_SCC "mps2-scc" @@ -26,6 +27,7 @@ struct MPS2SCC { /*< public >*/ MemoryRegion iomem; + LEDState *led[8]; uint32_t cfg0; uint32_t cfg1; diff --git a/include/hw/misc/sifive_u_otp.h b/include/hw/misc/sifive_u_otp.h index 82c9176c8f..5d0d7df455 100644 --- a/include/hw/misc/sifive_u_otp.h +++ b/include/hw/misc/sifive_u_otp.h @@ -36,6 +36,8 @@ #define SIFIVE_U_OTP_PTRIM 0x34 #define SIFIVE_U_OTP_PWE 0x38 +#define SIFIVE_U_OTP_PWE_EN (1 << 0) + #define SIFIVE_U_OTP_PCE_EN (1 << 0) #define SIFIVE_U_OTP_PDSTB_EN (1 << 0) @@ -44,6 +46,7 @@ #define SIFIVE_U_OTP_PA_MASK 0xfff #define SIFIVE_U_OTP_NUM_FUSES 0x1000 +#define SIFIVE_U_OTP_FUSE_WORD 4 #define SIFIVE_U_OTP_SERIAL_ADDR 0xfc #define SIFIVE_U_OTP_REG_SIZE 0x1000 @@ -75,8 +78,10 @@ struct SiFiveUOTPState { uint32_t ptrim; uint32_t pwe; uint32_t fuse[SIFIVE_U_OTP_NUM_FUSES]; + uint32_t fuse_wo[SIFIVE_U_OTP_NUM_FUSES]; /* config */ uint32_t serial; + BlockBackend *blk; }; #endif /* HW_SIFIVE_U_OTP_H */ |