#include "audio/audio.h"
#include "hw/boards.h"
#include "hw/sysbus.h"
+#include "hw/misc/max111x.h"
#include "migration/vmstate.h"
#include "exec/address-spaces.h"
#include "cpu.h"
qdev_get_gpio_in(sms->mpu->gpio, SPITZ_GPIO_TP_INT));
bus = qdev_get_child_bus(sms->mux, "ssi2");
- sms->max1111 = qdev_new("max1111");
+ sms->max1111 = qdev_new(TYPE_MAX_1111);
max1111 = sms->max1111;
qdev_prop_set_uint8(sms->max1111, "input1" /* BATT_VOLT */,
SPITZ_BATTERY_VOLT);
*/
#include "qemu/osdep.h"
+#include "hw/misc/max111x.h"
#include "hw/irq.h"
-#include "hw/ssi/ssi.h"
#include "migration/vmstate.h"
#include "qemu/module.h"
#include "hw/qdev-properties.h"
-typedef struct {
- SSISlave parent_obj;
-
- qemu_irq interrupt;
- /* Values of inputs at system reset (settable by QOM property) */
- uint8_t reset_input[8];
-
- uint8_t tb1, rb2, rb3;
- int cycle;
-
- uint8_t input[8];
- int inputs, com;
-} MAX111xState;
-
-#define TYPE_MAX_111X "max111x"
-
-#define MAX_111X(obj) \
- OBJECT_CHECK(MAX111xState, (obj), TYPE_MAX_111X)
-
-#define TYPE_MAX_1110 "max1110"
-#define TYPE_MAX_1111 "max1111"
-
/* Control-byte bitfields */
#define CB_PD0 (1 << 0)
#define CB_PD1 (1 << 1)
--- /dev/null
+/*
+ * Maxim MAX1110/1111 ADC chip emulation.
+ *
+ * Copyright (c) 2006 Openedhand Ltd.
+ * Written by Andrzej Zaborowski <balrog@zabor.org>
+ *
+ * This code is licensed under the GNU GPLv2.
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
+ */
+
+#ifndef HW_MISC_MAX111X_H
+#define HW_MISC_MAX111X_H
+
+#include "hw/ssi/ssi.h"
+
+/*
+ * This is a model of the Maxim MAX1110/1111 ADC chip, which for QEMU
+ * is an SSI slave device. It has either 4 (max1110) or 8 (max1111)
+ * 8-bit ADC channels.
+ *
+ * QEMU interface:
+ * + GPIO inputs 0..3 (for max1110) or 0..7 (for max1111): set the value
+ * of each ADC input, as an unsigned 8-bit value
+ * + GPIO output 0: interrupt line
+ * + Properties "input0" to "input3" (max1110) or "input0" to "input7"
+ * (max1111): initial reset values for ADC inputs.
+ *
+ * Known bugs:
+ * + the interrupt line is not correctly implemented, and will never
+ * be lowered once it has been asserted.
+ */
+typedef struct {
+ SSISlave parent_obj;
+
+ qemu_irq interrupt;
+ /* Values of inputs at system reset (settable by QOM property) */
+ uint8_t reset_input[8];
+
+ uint8_t tb1, rb2, rb3;
+ int cycle;
+
+ uint8_t input[8];
+ int inputs, com;
+} MAX111xState;
+
+#define TYPE_MAX_111X "max111x"
+
+#define MAX_111X(obj) \
+ OBJECT_CHECK(MAX111xState, (obj), TYPE_MAX_111X)
+
+#define TYPE_MAX_1110 "max1110"
+#define TYPE_MAX_1111 "max1111"
+
+#endif