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author | Peter Maydell <peter.maydell@linaro.org> | 2016-06-14 16:04:25 +0100 |
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committer | Peter Maydell <peter.maydell@linaro.org> | 2016-06-14 16:04:25 +0100 |
commit | 1be08a0946b1a189ac72822182c37367e8cd3d87 (patch) | |
tree | 2c41b2e3abf67957ea1b75e7d5330ab2b1dff4fe /include/hw/i2c | |
parent | 7474f1be701f136b224af5e1abe55e97dc3f29a5 (diff) | |
parent | fe8fcf3d642b4de1369841bf6acac13e0ec8770d (diff) | |
download | qemu-1be08a0946b1a189ac72822182c37367e8cd3d87.zip qemu-1be08a0946b1a189ac72822182c37367e8cd3d87.tar.gz qemu-1be08a0946b1a189ac72822182c37367e8cd3d87.tar.bz2 |
Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20160614-2' into staging
target-arm queue:
* add PMU support for virt machine under KVM
* fix reset and migration of TTBCR(S)
* add virt-2.7 machine type
* QOMify various ARM devices
* implement xilinx DisplayPort device
* don't permit ARMv8-only Neon insns to work on ARMv7
# gpg: Signature made Tue 14 Jun 2016 16:01:45 BST
# gpg: using RSA key 0x3C2525ED14360CDE
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>"
# gpg: aka "Peter Maydell <pmaydell@gmail.com>"
# gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>"
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83 15CF 3C25 25ED 1436 0CDE
* remotes/pmaydell/tags/pull-target-arm-20160614-2: (30 commits)
target-arm: Don't permit ARMv8-only Neon insns on ARMv7
arm: xlnx-zynqmp: Add xlnx-dp and xlnx-dpdma
introduce xlnx-dp
introduce xlnx-dpdma
hw/i2c-ddc.c: Implement DDC I2C slave
introduce dpcd module
introduce aux-bus
i2c: Factor our send() and recv() common logic
i2c: implement broadcast write
i2cbus: remove unused dev field
hw/sd: QOM'ify pl181.c
hw/dma: QOM'ify pxa2xx_dma.c
hw/misc: QOM'ify mst_fpga.c
hw/misc: QOM'ify exynos4210_pmu.c
hw/misc: QOM'ify arm_l2x0.c
hw/gpio: QOM'ify zaurus.c
hw/gpio: QOM'ify pl061.c
hw/gpio: QOM'ify omap_gpio.c
hw/i2c: QOM'ify versatile_i2c.c
hw/i2c: QOM'ify omap_i2c.c
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'include/hw/i2c')
-rw-r--r-- | include/hw/i2c/i2c-ddc.h | 38 | ||||
-rw-r--r-- | include/hw/i2c/i2c.h | 1 |
2 files changed, 39 insertions, 0 deletions
diff --git a/include/hw/i2c/i2c-ddc.h b/include/hw/i2c/i2c-ddc.h new file mode 100644 index 0000000..cb8e62d --- /dev/null +++ b/include/hw/i2c/i2c-ddc.h @@ -0,0 +1,38 @@ +/* A simple I2C slave for returning monitor EDID data via DDC. + * + * Copyright (c) 2011 Linaro Limited + * Written by Peter Maydell + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef I2C_DDC +#define I2C_DDC + +/* A simple I2C slave which just returns the contents of its EDID blob. */ + +struct I2CDDCState { + /*< private >*/ + I2CSlave i2c; + /*< public >*/ + bool firstbyte; + uint8_t reg; + uint8_t edid_blob[128]; +}; + +typedef struct I2CDDCState I2CDDCState; + +#define TYPE_I2CDDC "i2c-ddc" +#define I2CDDC(obj) OBJECT_CHECK(I2CDDCState, (obj), TYPE_I2CDDC) + +#endif /* !I2C_DDC */ diff --git a/include/hw/i2c/i2c.h b/include/hw/i2c/i2c.h index 4986ebc..c4085aa 100644 --- a/include/hw/i2c/i2c.h +++ b/include/hw/i2c/i2c.h @@ -56,6 +56,7 @@ int i2c_bus_busy(I2CBus *bus); int i2c_start_transfer(I2CBus *bus, uint8_t address, int recv); void i2c_end_transfer(I2CBus *bus); void i2c_nack(I2CBus *bus); +int i2c_send_recv(I2CBus *bus, uint8_t *data, bool send); int i2c_send(I2CBus *bus, uint8_t data); int i2c_recv(I2CBus *bus); |