diff options
Diffstat (limited to 'arch/arm/mach-tegra/odm_kit/adaptations/misc/whistler/nvodm_usbulpi.c')
| -rw-r--r-- | arch/arm/mach-tegra/odm_kit/adaptations/misc/whistler/nvodm_usbulpi.c | 235 |
1 files changed, 235 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/odm_kit/adaptations/misc/whistler/nvodm_usbulpi.c b/arch/arm/mach-tegra/odm_kit/adaptations/misc/whistler/nvodm_usbulpi.c new file mode 100644 index 000000000000..5bd21b2bd51b --- /dev/null +++ b/arch/arm/mach-tegra/odm_kit/adaptations/misc/whistler/nvodm_usbulpi.c @@ -0,0 +1,235 @@ +/* + * 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. + * + */ + +/** + * @file nvodm_usbulpi.c + * @brief <b>Adaptation for USB ULPI </b> + * + * @Description : Implementation of the USB ULPI adaptation. + */ +#include "nvodm_usbulpi.h" +#include "nvodm_services.h" +#include "nvodm_query_discovery.h" +#include "nvodm_services.h" +#include "nvodm_keylist_reserved.h" +#include "nvrm_drf.h" +#include "nvos.h" + +typedef struct NvOdmUsbUlpiRec { + NvU64 CurrentGUID; +} NvOdmUsbUlpi; + +/* ST-Ericsson U3XX modem power control */ +struct ste_u3xx_info { + NvU32 ste_u3xx_uart_port; + NvU32 ste_u3xx_reset_port; + NvU32 ste_u3xx_reset_pin; + NvU32 ste_u3xx_power_port; + NvU32 ste_u3xx_power_pin; + NvU32 ste_u3xx_awr_port; + NvU32 ste_u3xx_awr_pin; + NvU32 ste_u3xx_cwr_port; + NvU32 ste_u3xx_cwr_pin; + NvU32 ste_u3xx_spi_int_port; + NvU32 ste_u3xx_spi_int_pin; + NvU32 ste_u3xx_slave_select_port; + NvU32 ste_u3xx_slave_select_pin; + NvU32 ste_u3xx_slink_instance; +}; + +/* ST-Ericsson U3XX modem control */ +static struct ste_u3xx_info ste_u3xx_info; +static NvOdmServicesGpioHandle ste_u3xx_gpio; +static NvOdmGpioPinHandle ste_u3xx_reset_gpio_pin; +static NvOdmGpioPinHandle ste_u3xx_power_gpio_pin; +static NvOdmGpioPinHandle ste_u3xx_awr_gpio_pin; +static NvOdmGpioPinHandle ste_u3xx_cwr_gpio_pin; + +static int ste_u3xx_query(struct ste_u3xx_info *info) +{ + NvU64 guid = NV_ODM_GUID('e', 'm', 'p', ' ', 'M', '5', '7', '0'); + NvOdmPeripheralConnectivity *pConnectivity; + + /* query odm kit for modem support */ + pConnectivity = + (NvOdmPeripheralConnectivity *) NvOdmPeripheralGetGuid(guid); + if (pConnectivity == NULL) + return -1; + NV_ASSERT(pConnectivity->NumAddress >= 5); + + /* query for uart port */ + NV_ASSERT(pConnectivity->AddressList[0].Interface == + NvOdmIoModule_Uart); + info->ste_u3xx_uart_port = pConnectivity->AddressList[0].Instance; + + /* query for reset pin */ + NV_ASSERT(pConnectivity->AddressList[1].Interface == + NvOdmIoModule_Gpio); + info->ste_u3xx_reset_port = pConnectivity->AddressList[1].Instance; + info->ste_u3xx_reset_pin = pConnectivity->AddressList[1].Address; + + /* query for power pin */ + NV_ASSERT(pConnectivity->AddressList[2].Interface == + NvOdmIoModule_Gpio); + info->ste_u3xx_power_port = pConnectivity->AddressList[2].Instance; + info->ste_u3xx_power_pin = pConnectivity->AddressList[2].Address; + + /* query for ACPU wakeup request pin */ + NV_ASSERT(pConnectivity->AddressList[3].Interface == + NvOdmIoModule_Gpio); + info->ste_u3xx_awr_port = pConnectivity->AddressList[3].Instance; + info->ste_u3xx_awr_pin = pConnectivity->AddressList[3].Address; + + /* query for CCPU wakeup request pin */ + NV_ASSERT(pConnectivity->AddressList[4].Interface == + NvOdmIoModule_Gpio); + info->ste_u3xx_cwr_port = pConnectivity->AddressList[4].Instance; + info->ste_u3xx_cwr_pin = pConnectivity->AddressList[4].Address; + + return 0; +} + +static void ste_u3xx_turn_on_modem(struct ste_u3xx_info *info) +{ + /* get odm gpio handle */ + ste_u3xx_gpio = NvOdmGpioOpen(); + if (!ste_u3xx_gpio) + return; + + /* acquire pin handle for reset pin */ + ste_u3xx_reset_gpio_pin = + NvOdmGpioAcquirePinHandle(ste_u3xx_gpio, info->ste_u3xx_reset_port, + info->ste_u3xx_reset_pin); + if (!ste_u3xx_reset_gpio_pin) { + NvOdmGpioClose(ste_u3xx_gpio); + return; + } + + /* acquire pin handle for power pin */ + ste_u3xx_power_gpio_pin = + NvOdmGpioAcquirePinHandle(ste_u3xx_gpio, info->ste_u3xx_power_port, + info->ste_u3xx_power_pin); + if (!ste_u3xx_power_gpio_pin) { + NvOdmGpioReleasePinHandle(ste_u3xx_gpio, + ste_u3xx_reset_gpio_pin); + NvOdmGpioClose(ste_u3xx_gpio); + return; + } + + /* acquire pin handle for ACPU wakeup request pin */ + ste_u3xx_awr_gpio_pin = + NvOdmGpioAcquirePinHandle(ste_u3xx_gpio, info->ste_u3xx_awr_port, + info->ste_u3xx_awr_pin); + if (!ste_u3xx_awr_gpio_pin) { + NvOdmGpioReleasePinHandle(ste_u3xx_gpio, + ste_u3xx_power_gpio_pin); + NvOdmGpioReleasePinHandle(ste_u3xx_gpio, + ste_u3xx_reset_gpio_pin); + NvOdmGpioClose(ste_u3xx_gpio); + return; + } + + /* acquire pin handle for CCPU wakeup request pin */ + ste_u3xx_cwr_gpio_pin = + NvOdmGpioAcquirePinHandle(ste_u3xx_gpio, info->ste_u3xx_cwr_port, + info->ste_u3xx_cwr_pin); + if (!ste_u3xx_cwr_gpio_pin) { + NvOdmGpioReleasePinHandle(ste_u3xx_gpio, ste_u3xx_awr_gpio_pin); + NvOdmGpioReleasePinHandle(ste_u3xx_gpio, + ste_u3xx_power_gpio_pin); + NvOdmGpioReleasePinHandle(ste_u3xx_gpio, + ste_u3xx_reset_gpio_pin); + NvOdmGpioClose(ste_u3xx_gpio); + return; + } + + /* set output levels - start with modem power off, reset deasserted */ + NvOdmGpioSetState(ste_u3xx_gpio, ste_u3xx_power_gpio_pin, 0); + NvOdmGpioSetState(ste_u3xx_gpio, ste_u3xx_reset_gpio_pin, 0); + NvOdmGpioConfig(ste_u3xx_gpio, ste_u3xx_power_gpio_pin, + NvOdmGpioPinMode_Output); + NvOdmGpioConfig(ste_u3xx_gpio, ste_u3xx_reset_gpio_pin, + NvOdmGpioPinMode_Output); + NvOdmGpioConfig(ste_u3xx_gpio, ste_u3xx_cwr_gpio_pin, + NvOdmGpioPinMode_InputData); + + NvOdmOsSleepMS(300); + NvOdmGpioSetState(ste_u3xx_gpio, ste_u3xx_reset_gpio_pin, 1); + + /* pulse modem power on for 300 ms */ + NvOdmOsSleepMS(300); + NvOdmGpioSetState(ste_u3xx_gpio, ste_u3xx_power_gpio_pin, 1); + NvOdmOsSleepMS(300); + NvOdmGpioSetState(ste_u3xx_gpio, ste_u3xx_power_gpio_pin, 0); + NvOdmOsSleepMS(100); + + NvOdmGpioReleasePinHandle(ste_u3xx_gpio, ste_u3xx_cwr_gpio_pin); + NvOdmGpioReleasePinHandle(ste_u3xx_gpio, ste_u3xx_awr_gpio_pin); + NvOdmGpioReleasePinHandle(ste_u3xx_gpio, ste_u3xx_power_gpio_pin); + NvOdmGpioReleasePinHandle(ste_u3xx_gpio, ste_u3xx_reset_gpio_pin); + NvOdmGpioClose(ste_u3xx_gpio); +} + +NvOdmUsbUlpiHandle NvOdmUsbUlpiOpen(NvU32 Instance) +{ + const NvOdmUsbProperty *pUsbProperty = + NvOdmQueryGetUsbProperty(NvOdmIoModule_Usb, Instance); + NvOdmUsbUlpi *pDevice = NULL; + + pDevice = NvOdmOsAlloc(sizeof(NvOdmUsbUlpi)); + if (pDevice == NULL) + goto ExitUlpiOdm; + + if (pUsbProperty->UsbInterfaceType == + NvOdmUsbInterfaceType_UlpiNullPhy) { + /* query the modem control pins */ + if (ste_u3xx_query(&ste_u3xx_info) < 0) + goto ExitUlpiOdm; + + NvOsDebugPrintf("turn modem on\n"); + ste_u3xx_turn_on_modem(&ste_u3xx_info); + } + return pDevice; + +ExitUlpiOdm: + if (pDevice) + NvOdmOsFree(pDevice); + return NULL; +} + +void NvOdmUsbUlpiClose(NvOdmUsbUlpiHandle hOdmUlpi) +{ + if (hOdmUlpi) { + NvOdmOsFree(hOdmUlpi); + hOdmUlpi = NULL; + } +} |