[ARM/tegra] add NvRm, ODM services, ODM kit for harmony & whistler

add power rail support to GPIO driver

Change-Id: I45d4c1110a635047d68fb14f3e72a28f99acbe1b

1 files changed, 196 insertions, 0 deletions

diff --git a/arch/arm/mach-tegra/odm_kit/adaptations/pmu/pcf50626/pcf50626_adc.c b/arch/arm/mach-tegra/odm_kit/adaptations/pmu/pcf50626/pcf50626_adc.c
new file mode 100644
index 000000000000..95347fa42cd7
--- /dev/null
+++ b/arch/arm/mach-tegra/odm_kit/adaptations/pmu/pcf50626/pcf50626_adc.c
@@ -0,0 +1,196 @@
+/*
+ * 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 "pcf50626_adc.h"
+#include "pcf50626_i2c.h"
+#include "pcf50626_reg.h"
+//#include "pcf50626_supply_info.h"
+
+#define ADC_CONVERSION_DELAY_USEC      70
+#define ADC_CONVERSION_TIMEOUT_USEC    500
+#define ADC_CONVERSION_VOLTAGE_RANGE   2000
+#define ADC_CONVERSION_DIVIDOR         3
+#define ADC_CONVERSION_PRECISION       10
+#define ADC_CONVERSION_SUB_OFFSET      2250
+
+
+static NvBool 
+Pcf50626AdcIn1Read(NvOdmPmuDeviceHandle hDevice, NvU32 *volt);
+
+static NvBool 
+Pcf50626AdcIn2Read(NvOdmPmuDeviceHandle hDevice, NvU32 *volt);
+
+
+/* read voltage from VBATSENSE */
+NvBool 
+Pcf50626AdcVBatSenseRead(NvOdmPmuDeviceHandle hDevice, NvU32 *volt)
+{
+    return Pcf50626AdcIn1Read(hDevice, volt);
+}
+
+static NvBool 
+Pcf50626AdcIn1Read(NvOdmPmuDeviceHandle hDevice, NvU32 *volt)
+{
+    
+    NvU32 timeout = 0;
+    NvU8  dataS1  = 0;
+    NvU8  dataS3  = 0;
+
+    NV_ASSERT(hDevice);
+    NV_ASSERT(volt);
+
+    // Turn off GPIO7
+    if(! Pcf50626I2cWrite8(hDevice, PCF50626_GPIO7C1_ADDR, 0x0))
+        return NV_FALSE;
+
+
+    //ADCC3 - Division sel    
+    if(! Pcf50626I2cWrite8(hDevice, PCF50626_ADCC3_ADDR, PCF50626_ADCC3_RESET))
+        return NV_FALSE;
+
+
+    //ADCC1 -  Resolustion, Mux Sel, Avg sel
+    if(! Pcf50626I2cWrite8(hDevice, PCF50626_ADCC1_ADDR, 0x0C))
+        return NV_FALSE;
+
+    // Start Converstion
+    if(! Pcf50626I2cWrite8(hDevice, PCF50626_ADCC1_ADDR, 0x0D))
+        return NV_FALSE;          
+
+    // Wait for conversion
+    NvOdmOsWaitUS(ADC_CONVERSION_DELAY_USEC);
+
+    // make sure the conversion is completed, or timeout.
+    while (timeout < ADC_CONVERSION_TIMEOUT_USEC)
+    {
+        if(! Pcf50626I2cRead8(hDevice, PCF50626_ADCS3_ADDR, &dataS3))
+            return NV_FALSE;
+
+        if (dataS3 & 0x80)
+            break;
+
+        NvOdmOsWaitUS(ADC_CONVERSION_DELAY_USEC);        
+        timeout += ADC_CONVERSION_DELAY_USEC;
+    }
+
+    if (timeout >= ADC_CONVERSION_TIMEOUT_USEC)
+    {
+        NVODMPMU_PRINTF(("ADC conversion timeout.\n"));
+        return NV_FALSE;
+    }
+
+    // read the conversion result
+    if (!Pcf50626I2cRead8(hDevice, PCF50626_ADCS1_ADDR, &dataS1)) 
+        return NV_FALSE;
+
+    // Get result
+    *volt = (((NvU32)((dataS1 << 2) | (dataS3 & 0x03))) * 
+            ADC_CONVERSION_VOLTAGE_RANGE * ADC_CONVERSION_DIVIDOR) 
+            >> ADC_CONVERSION_PRECISION; 
+
+    return NV_TRUE;
+}
+
+
+
+/* read bat temperature voltage from ADC2 */
+NvBool 
+Pcf50626AdcVBatTempRead(NvOdmPmuDeviceHandle hDevice, NvU32 *volt)
+{
+    return Pcf50626AdcIn2Read(hDevice, volt);
+}
+
+static NvBool 
+Pcf50626AdcIn2Read(NvOdmPmuDeviceHandle hDevice, NvU32 *volt)
+{
+    NvU32 timeout = 0;
+    NvU8  dataS1  = 0;
+    NvU8  dataS3  = 0;
+
+    NV_ASSERT(hDevice);
+    NV_ASSERT(volt);
+
+    // Turn off GPIO7
+    if(! Pcf50626I2cWrite8(hDevice, PCF50626_GPIO7C1_ADDR, 0x0))
+        return NV_FALSE;
+
+
+    //ADCC3 - Division sel    
+    if(! Pcf50626I2cWrite8(hDevice, PCF50626_ADCC3_ADDR, PCF50626_ADCC3_RESET))
+        return NV_FALSE;
+
+
+    //ADCC1 -  Resolustion, Mux Sel, Avg sel
+    if(! Pcf50626I2cWrite8(hDevice, PCF50626_ADCC1_ADDR, 0x2C))
+        return NV_FALSE;
+
+    // Start Converstion
+    if(! Pcf50626I2cWrite8(hDevice, PCF50626_ADCC1_ADDR, 0x2D))
+        return NV_FALSE;          
+
+    // Wait for conversion
+    NvOdmOsWaitUS(ADC_CONVERSION_DELAY_USEC);
+
+    // make sure the conversion is completed, or timeout.
+    while (timeout < ADC_CONVERSION_TIMEOUT_USEC)
+    {
+        if(! Pcf50626I2cRead8(hDevice, PCF50626_ADCS3_ADDR, &dataS3))
+            return NV_FALSE;
+
+        if (dataS3 & 0x80)
+            break;
+
+        NvOdmOsWaitUS(ADC_CONVERSION_DELAY_USEC);        
+        timeout += ADC_CONVERSION_DELAY_USEC;
+    }
+
+    if (timeout >= ADC_CONVERSION_TIMEOUT_USEC)
+    {
+        NVODMPMU_PRINTF(("ADC conversion timeout.\n"));
+        return NV_FALSE;
+    }
+
+    // read the conversion result
+    if (!Pcf50626I2cRead8(hDevice, PCF50626_ADCS1_ADDR, &dataS1)) 
+        return NV_FALSE;
+
+    // Get result
+    *volt = (((NvU32)((dataS1 << 2) | (dataS3 & 0x03))) * 
+            ADC_CONVERSION_VOLTAGE_RANGE * ADC_CONVERSION_DIVIDOR) 
+            >> ADC_CONVERSION_PRECISION; 
+
+    return NV_TRUE;
+}
+
+
+
+