The MAX7310 GPIO controller was used only by the XScale-based Zaurus
machine types. Now they have been removed we can remove this device
model as well.
Signed-off-by: Peter Maydell <peter.mayd...@linaro.org>
---
MAINTAINERS | 1 -
hw/gpio/max7310.c | 217 --------------------------------------------
hw/gpio/Kconfig | 4 -
hw/gpio/meson.build | 1 -
4 files changed, 223 deletions(-)
delete mode 100644 hw/gpio/max7310.c
diff --git a/MAINTAINERS b/MAINTAINERS
index 7873350f6ef..e9ce1e2e051 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -927,7 +927,6 @@ F: hw/arm/mainstone.c
F: hw/arm/z2.c
F: hw/*/pxa2xx*
F: hw/display/tc6393xb.c
-F: hw/gpio/max7310.c
F: hw/gpio/zaurus.c
F: hw/misc/mst_fpga.c
F: include/hw/arm/pxa.h
diff --git a/hw/gpio/max7310.c b/hw/gpio/max7310.c
deleted file mode 100644
index 86315714fbd..00000000000
--- a/hw/gpio/max7310.c
+++ /dev/null
@@ -1,217 +0,0 @@
-/*
- * MAX7310 8-port GPIO expansion chip.
- *
- * Copyright (c) 2006 Openedhand Ltd.
- * Written by Andrzej Zaborowski <bal...@zabor.org>
- *
- * This file is licensed under GNU GPL.
- */
-
-#include "qemu/osdep.h"
-#include "hw/i2c/i2c.h"
-#include "hw/irq.h"
-#include "migration/vmstate.h"
-#include "qemu/log.h"
-#include "qemu/module.h"
-#include "qom/object.h"
-
-#define TYPE_MAX7310 "max7310"
-OBJECT_DECLARE_SIMPLE_TYPE(MAX7310State, MAX7310)
-
-struct MAX7310State {
- I2CSlave parent_obj;
-
- int i2c_command_byte;
- int len;
-
- uint8_t level;
- uint8_t direction;
- uint8_t polarity;
- uint8_t status;
- uint8_t command;
- qemu_irq handler[8];
- qemu_irq *gpio_in;
-};
-
-static void max7310_reset(DeviceState *dev)
-{
- MAX7310State *s = MAX7310(dev);
-
- s->level &= s->direction;
- s->direction = 0xff;
- s->polarity = 0xf0;
- s->status = 0x01;
- s->command = 0x00;
-}
-
-static uint8_t max7310_rx(I2CSlave *i2c)
-{
- MAX7310State *s = MAX7310(i2c);
-
- switch (s->command) {
- case 0x00: /* Input port */
- return s->level ^ s->polarity;
-
- case 0x01: /* Output port */
- return s->level & ~s->direction;
-
- case 0x02: /* Polarity inversion */
- return s->polarity;
-
- case 0x03: /* Configuration */
- return s->direction;
-
- case 0x04: /* Timeout */
- return s->status;
-
- case 0xff: /* Reserved */
- return 0xff;
-
- default:
- qemu_log_mask(LOG_UNIMP, "%s: Unsupported register 0x02%" PRIx8 "\n",
- __func__, s->command);
- break;
- }
- return 0xff;
-}
-
-static int max7310_tx(I2CSlave *i2c, uint8_t data)
-{
- MAX7310State *s = MAX7310(i2c);
- uint8_t diff;
- int line;
-
- if (s->len ++ > 1) {
-#ifdef VERBOSE
- printf("%s: message too long (%i bytes)\n", __func__, s->len);
-#endif
- return 1;
- }
-
- if (s->i2c_command_byte) {
- s->command = data;
- s->i2c_command_byte = 0;
- return 0;
- }
-
- switch (s->command) {
- case 0x01: /* Output port */
- for (diff = (data ^ s->level) & ~s->direction; diff;
- diff &= ~(1 << line)) {
- line = ctz32(diff);
- if (s->handler[line])
- qemu_set_irq(s->handler[line], (data >> line) & 1);
- }
- s->level = (s->level & s->direction) | (data & ~s->direction);
- break;
-
- case 0x02: /* Polarity inversion */
- s->polarity = data;
- break;
-
- case 0x03: /* Configuration */
- s->level &= ~(s->direction ^ data);
- s->direction = data;
- break;
-
- case 0x04: /* Timeout */
- s->status = data;
- break;
-
- case 0x00: /* Input port - ignore writes */
- break;
- default:
- qemu_log_mask(LOG_UNIMP, "%s: Unsupported register 0x02%" PRIx8 "\n",
- __func__, s->command);
- return 1;
- }
-
- return 0;
-}
-
-static int max7310_event(I2CSlave *i2c, enum i2c_event event)
-{
- MAX7310State *s = MAX7310(i2c);
- s->len = 0;
-
- switch (event) {
- case I2C_START_SEND:
- s->i2c_command_byte = 1;
- break;
- case I2C_FINISH:
-#ifdef VERBOSE
- if (s->len == 1)
- printf("%s: message too short (%i bytes)\n", __func__, s->len);
-#endif
- break;
- default:
- break;
- }
-
- return 0;
-}
-
-static const VMStateDescription vmstate_max7310 = {
- .name = "max7310",
- .version_id = 0,
- .minimum_version_id = 0,
- .fields = (const VMStateField[]) {
- VMSTATE_INT32(i2c_command_byte, MAX7310State),
- VMSTATE_INT32(len, MAX7310State),
- VMSTATE_UINT8(level, MAX7310State),
- VMSTATE_UINT8(direction, MAX7310State),
- VMSTATE_UINT8(polarity, MAX7310State),
- VMSTATE_UINT8(status, MAX7310State),
- VMSTATE_UINT8(command, MAX7310State),
- VMSTATE_I2C_SLAVE(parent_obj, MAX7310State),
- VMSTATE_END_OF_LIST()
- }
-};
-
-static void max7310_gpio_set(void *opaque, int line, int level)
-{
- MAX7310State *s = (MAX7310State *) opaque;
- assert(line >= 0 && line < ARRAY_SIZE(s->handler));
-
- if (level)
- s->level |= s->direction & (1 << line);
- else
- s->level &= ~(s->direction & (1 << line));
-}
-
-/* MAX7310 is SMBus-compatible (can be used with only SMBus protocols),
- * but also accepts sequences that are not SMBus so return an I2C device. */
-static void max7310_realize(DeviceState *dev, Error **errp)
-{
- MAX7310State *s = MAX7310(dev);
-
- qdev_init_gpio_in(dev, max7310_gpio_set, ARRAY_SIZE(s->handler));
- qdev_init_gpio_out(dev, s->handler, ARRAY_SIZE(s->handler));
-}
-
-static void max7310_class_init(ObjectClass *klass, void *data)
-{
- DeviceClass *dc = DEVICE_CLASS(klass);
- I2CSlaveClass *k = I2C_SLAVE_CLASS(klass);
-
- dc->realize = max7310_realize;
- k->event = max7310_event;
- k->recv = max7310_rx;
- k->send = max7310_tx;
- dc->reset = max7310_reset;
- dc->vmsd = &vmstate_max7310;
-}
-
-static const TypeInfo max7310_info = {
- .name = TYPE_MAX7310,
- .parent = TYPE_I2C_SLAVE,
- .instance_size = sizeof(MAX7310State),
- .class_init = max7310_class_init,
-};
-
-static void max7310_register_types(void)
-{
- type_register_static(&max7310_info);
-}
-
-type_init(max7310_register_types)
diff --git a/hw/gpio/Kconfig b/hw/gpio/Kconfig
index 19c97cc823f..c9c340f6eb4 100644
--- a/hw/gpio/Kconfig
+++ b/hw/gpio/Kconfig
@@ -1,7 +1,3 @@
-config MAX7310
- bool
- depends on I2C
-
config PL061
bool
diff --git a/hw/gpio/meson.build b/hw/gpio/meson.build
index a7495d196ae..010ad3bf5a7 100644
--- a/hw/gpio/meson.build
+++ b/hw/gpio/meson.build
@@ -1,7 +1,6 @@
system_ss.add(when: 'CONFIG_GPIO_KEY', if_true: files('gpio_key.c'))
system_ss.add(when: 'CONFIG_GPIO_MPC8XXX', if_true: files('mpc8xxx.c'))
system_ss.add(when: 'CONFIG_GPIO_PWR', if_true: files('gpio_pwr.c'))
-system_ss.add(when: 'CONFIG_MAX7310', if_true: files('max7310.c'))
system_ss.add(when: 'CONFIG_PCA9552', if_true: files('pca9552.c'))
system_ss.add(when: 'CONFIG_PCA9554', if_true: files('pca9554.c'))
system_ss.add(when: 'CONFIG_PL061', if_true: files('pl061.c'))
--
2.34.1
