diff options
| author | Corey Minyard <cminyard@mvista.com> | 2018-03-01 11:05:45 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2018-03-01 11:05:45 +0000 |
| commit | aa88d7ad28eafaa7ac187d5bbb0c46f987fac3a4 (patch) | |
| tree | 71bb9bdb8d8a50567d59f3e012bac12c29fb92fe /include/hw/i2c | |
| parent | 373b8ac794291c9a20198ac671728dbd74ac3771 (diff) | |
| download | qemu-aa88d7ad28eafaa7ac187d5bbb0c46f987fac3a4.tar.gz | |
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.h | 17 |
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); |