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authorCorey Minyard <cminyard@mvista.com>2018-03-01 11:05:45 +0000
committerPeter Maydell <peter.maydell@linaro.org>2018-03-01 11:05:45 +0000
commitaa88d7ad28eafaa7ac187d5bbb0c46f987fac3a4 (patch)
tree71bb9bdb8d8a50567d59f3e012bac12c29fb92fe /include/hw/i2c
parent373b8ac794291c9a20198ac671728dbd74ac3771 (diff)
i2c: Move the bus class to i2c.h
Some devices need access to it. Signed-off-by: Corey Minyard <cminyard@mvista.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Message-id: 20180227104903.21353-3-linus.walleij@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'include/hw/i2c')
-rw-r--r--include/hw/i2c/i2c.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/include/hw/i2c/i2c.h b/include/hw/i2c/i2c.h
index 8fd449f645..d727379b48 100644
--- a/include/hw/i2c/i2c.h
+++ b/include/hw/i2c/i2c.h
@@ -56,6 +56,23 @@ struct I2CSlave {
uint8_t address;
};
+#define TYPE_I2C_BUS "i2c-bus"
+#define I2C_BUS(obj) OBJECT_CHECK(I2CBus, (obj), TYPE_I2C_BUS)
+
+typedef struct I2CNode I2CNode;
+
+struct I2CNode {
+ I2CSlave *elt;
+ QLIST_ENTRY(I2CNode) next;
+};
+
+struct I2CBus {
+ BusState qbus;
+ QLIST_HEAD(, I2CNode) current_devs;
+ uint8_t saved_address;
+ bool broadcast;
+};
+
I2CBus *i2c_init_bus(DeviceState *parent, const char *name);
void i2c_set_slave_address(I2CSlave *dev, uint8_t address);
int i2c_bus_busy(I2CBus *bus);