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authorPaolo Bonzini <pbonzini@redhat.com>2019-03-25 16:59:23 +0100
committerGerd Hoffmann <kraxel@redhat.com>2019-05-07 09:56:10 +0200
commit6306cae275c7091aa4e785809d956b475bfedab4 (patch)
tree531a13f6552459feac42d3f2288b297eae9a425e /hw/i2c
parent349ebdd76d3a932204f5831950a2af413c29c477 (diff)
downloadfocaccia-qemu-6306cae275c7091aa4e785809d956b475bfedab4.tar.gz
focaccia-qemu-6306cae275c7091aa4e785809d956b475bfedab4.zip
i2c-ddc: move it to hw/display
Move it together with the other EDID code.  hw/i2c should only
include the core and the adapters, not the slaves.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20190325155923.30987-1-pbonzini@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'hw/i2c')
-rw-r--r--hw/i2c/Kconfig5
-rw-r--r--hw/i2c/Makefile.objs1
-rw-r--r--hw/i2c/i2c-ddc.c127
3 files changed, 0 insertions, 133 deletions
diff --git a/hw/i2c/Kconfig b/hw/i2c/Kconfig
index 820b24de5b..78a2008e3a 100644
--- a/hw/i2c/Kconfig
+++ b/hw/i2c/Kconfig
@@ -5,11 +5,6 @@ config SMBUS_EEPROM
     bool
     depends on I2C
 
-config DDC
-    bool
-    depends on I2C
-    select EDID
-
 config VERSATILE_I2C
     bool
     select I2C
diff --git a/hw/i2c/Makefile.objs b/hw/i2c/Makefile.objs
index 5f76b6a990..d7073a401f 100644
--- a/hw/i2c/Makefile.objs
+++ b/hw/i2c/Makefile.objs
@@ -1,6 +1,5 @@
 common-obj-$(CONFIG_I2C) += core.o smbus_slave.o smbus_master.o
 common-obj-$(CONFIG_SMBUS_EEPROM) += smbus_eeprom.o
-common-obj-$(CONFIG_DDC) += i2c-ddc.o
 common-obj-$(CONFIG_VERSATILE_I2C) += versatile_i2c.o
 common-obj-$(CONFIG_ACPI_X86_ICH) += smbus_ich9.o
 common-obj-$(CONFIG_ACPI_SMBUS) += pm_smbus.o
diff --git a/hw/i2c/i2c-ddc.c b/hw/i2c/i2c-ddc.c
deleted file mode 100644
index 7aa8727771..0000000000
--- a/hw/i2c/i2c-ddc.c
+++ /dev/null
@@ -1,127 +0,0 @@
-/* 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/>.
- */
-
-#include "qemu/osdep.h"
-#include "qemu-common.h"
-#include "qemu/log.h"
-#include "hw/i2c/i2c.h"
-#include "hw/i2c/i2c-ddc.h"
-
-#ifndef DEBUG_I2CDDC
-#define DEBUG_I2CDDC 0
-#endif
-
-#define DPRINTF(fmt, ...) do {                                                 \
-    if (DEBUG_I2CDDC) {                                                        \
-        qemu_log("i2c-ddc: " fmt , ## __VA_ARGS__);                            \
-    }                                                                          \
-} while (0)
-
-static void i2c_ddc_reset(DeviceState *ds)
-{
-    I2CDDCState *s = I2CDDC(ds);
-
-    s->firstbyte = false;
-    s->reg = 0;
-}
-
-static int i2c_ddc_event(I2CSlave *i2c, enum i2c_event event)
-{
-    I2CDDCState *s = I2CDDC(i2c);
-
-    if (event == I2C_START_SEND) {
-        s->firstbyte = true;
-    }
-
-    return 0;
-}
-
-static uint8_t i2c_ddc_rx(I2CSlave *i2c)
-{
-    I2CDDCState *s = I2CDDC(i2c);
-
-    int value;
-    value = s->edid_blob[s->reg % sizeof(s->edid_blob)];
-    s->reg++;
-    return value;
-}
-
-static int i2c_ddc_tx(I2CSlave *i2c, uint8_t data)
-{
-    I2CDDCState *s = I2CDDC(i2c);
-    if (s->firstbyte) {
-        s->reg = data;
-        s->firstbyte = false;
-        DPRINTF("[EDID] Written new pointer: %u\n", data);
-        return 0;
-    }
-
-    /* Ignore all writes */
-    s->reg++;
-    return 0;
-}
-
-static void i2c_ddc_init(Object *obj)
-{
-    I2CDDCState *s = I2CDDC(obj);
-
-    qemu_edid_generate(s->edid_blob, sizeof(s->edid_blob), &s->edid_info);
-}
-
-static const VMStateDescription vmstate_i2c_ddc = {
-    .name = TYPE_I2CDDC,
-    .version_id = 1,
-    .fields = (VMStateField[]) {
-        VMSTATE_BOOL(firstbyte, I2CDDCState),
-        VMSTATE_UINT8(reg, I2CDDCState),
-        VMSTATE_END_OF_LIST()
-    }
-};
-
-static Property i2c_ddc_properties[] = {
-    DEFINE_EDID_PROPERTIES(I2CDDCState, edid_info),
-    DEFINE_PROP_END_OF_LIST(),
-};
-
-static void i2c_ddc_class_init(ObjectClass *oc, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(oc);
-    I2CSlaveClass *isc = I2C_SLAVE_CLASS(oc);
-
-    dc->reset = i2c_ddc_reset;
-    dc->vmsd = &vmstate_i2c_ddc;
-    dc->props = i2c_ddc_properties;
-    isc->event = i2c_ddc_event;
-    isc->recv = i2c_ddc_rx;
-    isc->send = i2c_ddc_tx;
-}
-
-static TypeInfo i2c_ddc_info = {
-    .name = TYPE_I2CDDC,
-    .parent = TYPE_I2C_SLAVE,
-    .instance_size = sizeof(I2CDDCState),
-    .instance_init = i2c_ddc_init,
-    .class_init = i2c_ddc_class_init
-};
-
-static void ddc_register_devices(void)
-{
-    type_register_static(&i2c_ddc_info);
-}
-
-type_init(ddc_register_devices);