+++ /dev/null
-/******************************************************************************
-*
-* Copyright (C) 2010 - 2014 Xilinx, Inc. All rights reserved.
-*
-* Permission is hereby granted, free of charge, to any person obtaining a copy
-* of this software and associated documentation files (the "Software"), to deal
-* in the Software without restriction, including without limitation the rights
-* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-* copies of the Software, and to permit persons to whom the Software is
-* furnished to do so, subject to the following conditions:
-*
-* The above copyright notice and this permission notice shall be included in
-* all copies or substantial portions of the Software.
-*
-* Use of the Software is limited solely to applications:
-* (a) running on a Xilinx device, or
-* (b) that interact with a Xilinx device through a bus or interconnect.
-*
-* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
-* XILINX BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
-* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
-* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-* SOFTWARE.
-*
-* Except as contained in this notice, the name of the Xilinx shall not be used
-* in advertising or otherwise to promote the sale, use or other dealings in
-* this Software without prior written authorization from Xilinx.
-*
-******************************************************************************/
-/*****************************************************************************/
-/**
-*
-* @file xttcps_options.c
-* @addtogroup ttcps_v2_0
-* @{
-*
-* This file contains functions to get or set option features for the device.
-*
-* <pre>
-* MODIFICATION HISTORY:
-*
-* Ver Who Date Changes
-* ----- ------ -------- ---------------------------------------------
-* 1.00a drg/jz 01/21/10 First release
-* 1.01a nm 03/05/2012 Removed break statement after return to remove
-* compilation warnings.
-* </pre>
-*
-******************************************************************************/
-
-/***************************** Include Files *********************************/
-
-#include "xttcps.h"
-
-/************************** Constant Definitions *****************************/
-
-
-/**************************** Type Definitions *******************************/
-
-
-/***************** Macros (Inline Functions) Definitions *********************/
-
-
-/************************** Function Prototypes ******************************/
-
-
-/************************** Variable Definitions *****************************/
-
-/*
- * Create the table of options which are processed to get/set the device
- * options. These options are table driven to allow easy maintenance and
- * expansion of the options.
- */
-typedef struct {
- u32 Option;
- u32 Mask;
- u32 Register;
-} OptionsMap;
-
-static OptionsMap TmrCtrOptionsTable[] = {
- {XTTCPS_OPTION_EXTERNAL_CLK, XTTCPS_CLK_CNTRL_SRC_MASK,
- XTTCPS_CLK_CNTRL_OFFSET},
- {XTTCPS_OPTION_CLK_EDGE_NEG, XTTCPS_CLK_CNTRL_EXT_EDGE_MASK,
- XTTCPS_CLK_CNTRL_OFFSET},
- {XTTCPS_OPTION_INTERVAL_MODE, XTTCPS_CNT_CNTRL_INT_MASK,
- XTTCPS_CNT_CNTRL_OFFSET},
- {XTTCPS_OPTION_DECREMENT, XTTCPS_CNT_CNTRL_DECR_MASK,
- XTTCPS_CNT_CNTRL_OFFSET},
- {XTTCPS_OPTION_MATCH_MODE, XTTCPS_CNT_CNTRL_MATCH_MASK,
- XTTCPS_CNT_CNTRL_OFFSET},
- {XTTCPS_OPTION_WAVE_DISABLE, XTTCPS_CNT_CNTRL_EN_WAVE_MASK,
- XTTCPS_CNT_CNTRL_OFFSET},
- {XTTCPS_OPTION_WAVE_POLARITY, XTTCPS_CNT_CNTRL_POL_WAVE_MASK,
- XTTCPS_CNT_CNTRL_OFFSET},
-};
-
-#define XTTCPS_NUM_TMRCTR_OPTIONS (sizeof(TmrCtrOptionsTable) / \
- sizeof(OptionsMap))
-
-/*****************************************************************************/
-/**
-*
-* This function sets the options for the TTC device.
-*
-* @param InstancePtr is a pointer to the XTtcPs instance.
-* @param Options contains the specified options to be set. This is a bit
-* mask where a 1 means to turn the option on, and a 0 means to
-* turn the option off. One or more bit values may be contained
-* in the mask. See the bit definitions named XTTCPS_*_OPTION in
-* the file xttcps.h.
-*
-* @return
-* - XST_SUCCESS if options are successfully set.
-* - XST_FAILURE if any of the options are unknown.
-*
-* @note None
-*
-******************************************************************************/
-int XTtcPs_SetOptions(XTtcPs *InstancePtr, u32 Options)
-{
- u32 CountReg;
- u32 ClockReg;
- unsigned Index;
-
- Xil_AssertNonvoid(InstancePtr != NULL);
- Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
-
- ClockReg = XTtcPs_ReadReg(InstancePtr->Config.BaseAddress,
- XTTCPS_CLK_CNTRL_OFFSET);
- CountReg = XTtcPs_ReadReg(InstancePtr->Config.BaseAddress,
- XTTCPS_CNT_CNTRL_OFFSET);
-
- /*
- * Loop through the options table, turning the option on or off
- * depending on whether the bit is set in the incoming options flag.
- */
- for (Index = 0; Index < XTTCPS_NUM_TMRCTR_OPTIONS; Index++) {
- if (Options & TmrCtrOptionsTable[Index].Option) {
-
- switch (TmrCtrOptionsTable[Index].Register) {
-
- case XTTCPS_CLK_CNTRL_OFFSET:
- /* Add option */
- ClockReg |= TmrCtrOptionsTable[Index].Mask;
- break;
-
- case XTTCPS_CNT_CNTRL_OFFSET:
- /* Add option */
- CountReg |= TmrCtrOptionsTable[Index].Mask;
- break;
-
- default:
- return XST_FAILURE;
- }
- }
- else {
- switch (TmrCtrOptionsTable[Index].Register) {
-
- case XTTCPS_CLK_CNTRL_OFFSET:
- /* Remove option*/
- ClockReg &= ~TmrCtrOptionsTable[Index].Mask;
- break;
-
- case XTTCPS_CNT_CNTRL_OFFSET:
- /* Remove option*/
- CountReg &= ~TmrCtrOptionsTable[Index].Mask;
- break;
-
- default:
- return XST_FAILURE;
- }
- }
- }
-
- /*
- * Now write the registers. Leave it to the upper layers to restart the
- * device.
- */
- XTtcPs_WriteReg(InstancePtr->Config.BaseAddress,
- XTTCPS_CLK_CNTRL_OFFSET, ClockReg);
- XTtcPs_WriteReg(InstancePtr->Config.BaseAddress,
- XTTCPS_CNT_CNTRL_OFFSET, CountReg);
-
- return XST_SUCCESS;
-}
-
-/*****************************************************************************/
-/**
-*
-* This function gets the settings for the options for the TTC device.
-*
-* @param InstancePtr is a pointer to the XTtcPs instance.
-*
-* @return
-*
-* The return u32 contains the specified options that are set. This is a bit
-* mask where a '1' means the option is on, and a'0' means the option is off.
-* One or more bit values may be contained in the mask. See the bit definitions
-* named XTTCPS_*_OPTION in the file xttcps.h.
-*
-* @note None.
-*
-******************************************************************************/
-u32 XTtcPs_GetOptions(XTtcPs *InstancePtr)
-{
- u32 OptionsFlag = 0;
- u32 Register;
- unsigned Index;
-
- Xil_AssertNonvoid(InstancePtr != NULL);
- Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
-
-
- /*
- * Loop through the options table to determine which options are set
- */
- for (Index = 0; Index < XTTCPS_NUM_TMRCTR_OPTIONS; Index++) {
- /*
- * Get the control register to determine which options are
- * currently set.
- */
- Register = XTtcPs_ReadReg(InstancePtr->Config.BaseAddress,
- TmrCtrOptionsTable[Index].
- Register);
-
- if (Register & TmrCtrOptionsTable[Index].Mask) {
- OptionsFlag |= TmrCtrOptionsTable[Index].Option;
- }
- }
-
- return OptionsFlag;
-}
-/** @} */
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