d718b7475b
The bitbang i2c implementation is also useful for other device models
such as DDC in display controllers. Move the header to include/hw/i2c/
to allow it to be used from other device models and adjust users of
this include. This also reverts commit 2b4c1125ac which is no longer
needed.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: Corey Minyard <cminyard@mvista.com>
Message-id: 5d1fe4db846ab9be4b77ddb0d43cc74cd200a003.1561028123.git.balaton@eik.bme.hu
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
63 lines
1.9 KiB
C
63 lines
1.9 KiB
C
/*
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* PPC4xx I2C controller emulation
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*
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* Copyright (c) 2007 Jocelyn Mayer
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* Copyright (c) 2012 François Revol
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* Copyright (c) 2016-2018 BALATON Zoltan
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef PPC4XX_I2C_H
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#define PPC4XX_I2C_H
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#include "hw/sysbus.h"
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#include "hw/i2c/bitbang_i2c.h"
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#define TYPE_PPC4xx_I2C "ppc4xx-i2c"
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#define PPC4xx_I2C(obj) OBJECT_CHECK(PPC4xxI2CState, (obj), TYPE_PPC4xx_I2C)
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typedef struct PPC4xxI2CState {
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/*< private >*/
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SysBusDevice parent_obj;
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/*< public >*/
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I2CBus *bus;
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qemu_irq irq;
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MemoryRegion iomem;
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bitbang_i2c_interface *bitbang;
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int mdidx;
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uint8_t mdata[4];
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uint8_t lmadr;
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uint8_t hmadr;
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uint8_t cntl;
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uint8_t mdcntl;
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uint8_t sts;
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uint8_t extsts;
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uint8_t lsadr;
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uint8_t hsadr;
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uint8_t clkdiv;
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uint8_t intrmsk;
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uint8_t xfrcnt;
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uint8_t xtcntlss;
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uint8_t directcntl;
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} PPC4xxI2CState;
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#endif /* PPC4XX_I2C_H */
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