| /******************************************************************************* |
| Copyright (C) Marvell International Ltd. and its affiliates |
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| This software file (the "File") is owned and distributed by Marvell |
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| ******************************************************************************** |
| Marvell Commercial License Option |
| |
| If you received this File from Marvell and you have entered into a commercial |
| license agreement (a "Commercial License") with Marvell, the File is licensed |
| to you under the terms of the applicable Commercial License. |
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| ******************************************************************************** |
| Marvell GPL License Option |
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| If you received this File from Marvell, you may opt to use, redistribute and/or |
| modify this File in accordance with the terms and conditions of the General |
| Public License Version 2, June 1991 (the "GPL License"), a copy of which is |
| available along with the File in the license.txt file or by writing to the Free |
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| THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE IMPLIED |
| WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY |
| DISCLAIMED. The GPL License provides additional details about this warranty |
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| If you received this File from Marvell, you may opt to use, redistribute and/or |
| modify this File under the following licensing terms. |
| 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. |
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| * Neither the name of Marvell nor the names of its contributors may be |
| used to endorse or promote products derived from this software without |
| specific prior written permission. |
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| 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 OWNER OR CONTRIBUTORS BE LIABLE FOR |
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| LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
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| SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| *******************************************************************************/ |
| |
| #include "mvCommon.h" |
| #include "mvOs.h" |
| #include "ctrlEnv/mvCtrlEnvSpec.h" |
| #include "mvSysCntmrConfig.h" |
| #include "mvCntmrRegs.h" |
| #include "mvCntmr.h" |
| |
| /* defines */ |
| #ifdef MV_DEBUG |
| #define DB(x) x |
| #else |
| #define DB(x) |
| #endif |
| |
| /******************************************************************************* |
| * mvCntmrLoad - |
| * |
| * DESCRIPTION: |
| * Load an init Value to a given counter/timer |
| * |
| * INPUT: |
| * countNum - counter number |
| * value - value to be loaded |
| * |
| * OUTPUT: |
| * None. |
| * |
| * RETURN: |
| * MV_BAD_PARAM on bad parameters , MV_ERROR on error ,MV_OK on sucess |
| *******************************************************************************/ |
| MV_STATUS mvCntmrLoad(MV_U32 countNum, MV_U32 value) |
| { |
| if (countNum >= MV_CNTMR_MAX_COUNTER) { |
| |
| mvOsPrintf(("mvCntmrLoad: Err. illegal counter number \n")); |
| return MV_BAD_PARAM;; |
| |
| } |
| |
| MV_REG_WRITE(CNTMR_RELOAD_REG(countNum), value); |
| MV_REG_WRITE(CNTMR_VAL_REG(countNum), value); |
| |
| return MV_OK; |
| } |
| |
| /******************************************************************************* |
| * mvCntmrRead - |
| * |
| * DESCRIPTION: |
| * Returns the value of the given Counter/Timer |
| * |
| * INPUT: |
| * countNum - counter number |
| * |
| * OUTPUT: |
| * None. |
| * |
| * RETURN: |
| * MV_U32 counter value |
| *******************************************************************************/ |
| MV_U32 mvCntmrRead(MV_U32 countNum) |
| { |
| return MV_REG_READ(CNTMR_VAL_REG(countNum)); |
| } |
| |
| /******************************************************************************* |
| * mvCntmrWrite - |
| * |
| * DESCRIPTION: |
| * Returns the value of the given Counter/Timer |
| * |
| * INPUT: |
| * countNum - counter number |
| * countVal - value to write |
| * |
| * OUTPUT: |
| * None. |
| * |
| * RETURN: |
| * None |
| *******************************************************************************/ |
| void mvCntmrWrite(MV_U32 countNum, MV_U32 countVal) |
| { |
| MV_REG_WRITE(CNTMR_VAL_REG(countNum), countVal); |
| } |
| |
| /******************************************************************************* |
| * mvCntmrCtrlSet - |
| * |
| * DESCRIPTION: |
| * Set the Control to a given counter/timer |
| * |
| * INPUT: |
| * countNum - counter number |
| * pCtrl - pointer to MV_CNTMR_CTRL structure |
| * |
| * OUTPUT: |
| * None. |
| * |
| * RETURN: |
| * MV_BAD_PARAM on bad parameters , MV_ERROR on error ,MV_OK on sucess |
| *******************************************************************************/ |
| MV_STATUS mvCntmrCtrlSet(MV_U32 countNum, MV_CNTMR_CTRL *pCtrl) |
| { |
| MV_U32 cntmrCtrl; |
| |
| if (countNum >= MV_CNTMR_MAX_COUNTER) { |
| |
| DB(mvOsPrintf(("mvCntmrCtrlSet: Err. illegal counter number \n"))); |
| return MV_BAD_PARAM;; |
| |
| } |
| |
| /* read control register */ |
| cntmrCtrl = MV_REG_READ(CNTMR_CTRL_REG); |
| |
| if (pCtrl->enable) { /* enable counter\timer */ |
| cntmrCtrl |= CTCR_ARM_TIMER_EN(countNum); |
| } else { /* disable counter\timer */ |
| |
| cntmrCtrl &= ~CTCR_ARM_TIMER_EN(countNum); |
| } |
| |
| if (pCtrl->autoEnable) { /* Auto mode */ |
| cntmrCtrl |= CTCR_ARM_TIMER_AUTO_EN(countNum); |
| |
| } else { /* no auto mode */ |
| |
| cntmrCtrl &= ~CTCR_ARM_TIMER_AUTO_EN(countNum); |
| } |
| |
| MV_REG_WRITE(CNTMR_CTRL_REG, cntmrCtrl); |
| |
| return MV_OK; |
| |
| } |
| |
| /******************************************************************************* |
| * mvCntmrCtrlGet - |
| * |
| * DESCRIPTION: |
| * Get the Control value of a given counter/timer |
| * |
| * INPUT: |
| * countNum - counter number |
| * pCtrl - pointer to MV_CNTMR_CTRL structure |
| * |
| * OUTPUT: |
| * Counter\Timer control value |
| * |
| * RETURN: |
| * MV_BAD_PARAM on bad parameters , MV_ERROR on error ,MV_OK on sucess |
| *******************************************************************************/ |
| MV_STATUS mvCntmrCtrlGet(MV_U32 countNum, MV_CNTMR_CTRL *pCtrl) |
| { |
| MV_U32 cntmrCtrl; |
| |
| if (countNum >= MV_CNTMR_MAX_COUNTER) { |
| DB(mvOsPrintf(("mvCntmrCtrlGet: Err. illegal counter number \n"))); |
| return MV_BAD_PARAM;; |
| } |
| |
| /* read control register */ |
| cntmrCtrl = MV_REG_READ(CNTMR_CTRL_REG); |
| |
| /* enable counter\timer */ |
| if (cntmrCtrl & CTCR_ARM_TIMER_EN(countNum)) |
| pCtrl->enable = MV_TRUE; |
| else |
| pCtrl->enable = MV_FALSE; |
| |
| /* counter mode */ |
| if (cntmrCtrl & CTCR_ARM_TIMER_AUTO_EN(countNum)) |
| pCtrl->autoEnable = MV_TRUE; |
| else |
| pCtrl->autoEnable = MV_FALSE; |
| |
| return MV_OK; |
| } |
| |
| /******************************************************************************* |
| * mvCntmrEnable - |
| * |
| * DESCRIPTION: |
| * Set the Enable-Bit to logic '1' ==> starting the counter |
| * |
| * INPUT: |
| * countNum - counter number |
| * |
| * OUTPUT: |
| * None. |
| * |
| * RETURN: |
| * MV_BAD_PARAM on bad parameters , MV_ERROR on error ,MV_OK on sucess |
| *******************************************************************************/ |
| MV_STATUS mvCntmrEnable(MV_U32 countNum) |
| { |
| MV_U32 cntmrCtrl; |
| |
| if (countNum >= MV_CNTMR_MAX_COUNTER) { |
| |
| DB(mvOsPrintf(("mvCntmrEnable: Err. illegal counter number \n"))); |
| return MV_BAD_PARAM;; |
| |
| } |
| |
| /* read control register */ |
| cntmrCtrl = MV_REG_READ(CNTMR_CTRL_REG); |
| |
| /* enable counter\timer */ |
| cntmrCtrl |= CTCR_ARM_TIMER_EN(countNum); |
| |
| MV_REG_WRITE(CNTMR_CTRL_REG, cntmrCtrl); |
| |
| return MV_OK; |
| } |
| |
| /******************************************************************************* |
| * mvCntmrDisable - |
| * |
| * DESCRIPTION: |
| * Stop the counter/timer running, and returns its Value |
| * |
| * INPUT: |
| * countNum - counter number |
| * |
| * OUTPUT: |
| * None. |
| * |
| * RETURN: |
| * MV_U32 counter\timer value |
| *******************************************************************************/ |
| MV_STATUS mvCntmrDisable(MV_U32 countNum) |
| { |
| MV_U32 cntmrCtrl; |
| |
| if (countNum >= MV_CNTMR_MAX_COUNTER) { |
| |
| DB(mvOsPrintf(("mvCntmrDisable: Err. illegal counter number \n"))); |
| return MV_BAD_PARAM;; |
| |
| } |
| |
| /* read control register */ |
| cntmrCtrl = MV_REG_READ(CNTMR_CTRL_REG); |
| |
| /* disable counter\timer */ |
| cntmrCtrl &= ~CTCR_ARM_TIMER_EN(countNum); |
| |
| MV_REG_WRITE(CNTMR_CTRL_REG, cntmrCtrl); |
| |
| return MV_OK; |
| } |
| |
| /******************************************************************************* |
| * mvCntmrStart - |
| * |
| * DESCRIPTION: |
| * Combined all the sub-operations above to one function: Load,setMode,Enable |
| * |
| * INPUT: |
| * countNum - counter number |
| * value - value of the counter\timer to be set |
| * pCtrl - pointer to MV_CNTMR_CTRL structure |
| * |
| * OUTPUT: |
| * None. |
| * |
| * RETURN: |
| * MV_BAD_PARAM on bad parameters , MV_ERROR on error ,MV_OK on sucess |
| *******************************************************************************/ |
| MV_STATUS mvCntmrStart(MV_U32 countNum, MV_U32 value, MV_CNTMR_CTRL *pCtrl) |
| { |
| |
| if (countNum >= MV_CNTMR_MAX_COUNTER) { |
| |
| mvOsPrintf(("mvCntmrDisable: Err. illegal counter number \n")); |
| return MV_BAD_PARAM;; |
| |
| } |
| |
| /* load value onto counter\timer */ |
| mvCntmrLoad(countNum, value); |
| |
| /* set the counter to load in the first time */ |
| mvCntmrWrite(countNum, value); |
| |
| /* set control for timer \ cunter and enable */ |
| mvCntmrCtrlSet(countNum, pCtrl); |
| |
| return MV_OK; |
| } |