summaryrefslogtreecommitdiff
path: root/arch/arm/mach-tegra/odm_kit/adaptations/gpio_ext/gpio_ext_hal.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-tegra/odm_kit/adaptations/gpio_ext/gpio_ext_hal.c')
-rw-r--r--arch/arm/mach-tegra/odm_kit/adaptations/gpio_ext/gpio_ext_hal.c92
1 files changed, 92 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/odm_kit/adaptations/gpio_ext/gpio_ext_hal.c b/arch/arm/mach-tegra/odm_kit/adaptations/gpio_ext/gpio_ext_hal.c
new file mode 100644
index 000000000000..c53fad2da1cd
--- /dev/null
+++ b/arch/arm/mach-tegra/odm_kit/adaptations/gpio_ext/gpio_ext_hal.c
@@ -0,0 +1,92 @@
+/*
+ * Copyright (c) 2009 NVIDIA Corporation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of the NVIDIA Corporation nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "nvcommon.h"
+#include "nvodm_query_discovery.h"
+#include "nvodm_gpio_ext.h"
+#include "nvodm_services.h"
+#include "gpio_ext_hal.h"
+#include "gpio_ext_null.h"
+#include "gpio_pcf50626.h"
+
+void
+NvOdmExternalGpioWritePins(
+ NvU32 Port,
+ NvU32 Pin,
+ NvU32 PinValue)
+{
+ static NvBool IsInit = NV_FALSE;
+ static NvOdmGpioExtDevice GpioExtDevice;
+
+ if (!IsInit)
+ {
+ NvOdmOsMemset(&GpioExtDevice, 0, sizeof(GpioExtDevice));
+ if (NvOdmPeripheralGetGuid(NV_ODM_GUID('p','c','f','_','p','m','u','0')))
+ {
+ // fill in HAL function here.
+ GpioExtDevice.pfnWritePins = GPIO_PCF50626_NvOdmExternalGpioWritePins;
+ }
+ else
+ {
+ // NULL implementation
+ GpioExtDevice.pfnWritePins = null_NvOdmExternalGpioWritePins;
+ }
+ IsInit = NV_TRUE;
+ }
+ GpioExtDevice.pfnWritePins(Port, Pin, PinValue);
+}
+
+NvU32
+NvOdmExternalGpioReadPins(
+ NvU32 Port,
+ NvU32 Pin)
+{
+ static NvBool IsInit = NV_FALSE;
+ static NvOdmGpioExtDevice GpioExtDevice;
+
+ if (!IsInit)
+ {
+ NvOdmOsMemset(&GpioExtDevice, 0, sizeof(GpioExtDevice));
+ if (NvOdmPeripheralGetGuid(NV_ODM_GUID('p','c','f','_','p','m','u','0')))
+ {
+ // fill in HAL function here.
+ GpioExtDevice.pfnReadPins = GPIO_PCF50626_NvOdmExternalGpioReadPins;
+ }
+ else
+ {
+ // NULL implementation
+ GpioExtDevice.pfnReadPins = null_NvOdmExternalGpioReadPins;
+ }
+ IsInit = NV_TRUE;
+ }
+ return GpioExtDevice.pfnReadPins(Port, Pin);
+}