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vibrator: tspdrv: clean up codes

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Change-Id: I85ecec9fb01e21ea0cdf3fda1c43851c26c7f552
This commit is contained in:
Devin Kim
2012-09-18 11:48:20 -07:00
committed by Iliyan Malchev
parent 85c85ee651
commit ace7135a0e
5 changed files with 185 additions and 219 deletions
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93
drivers/misc/tspdrv/ImmVibeSPI.c
View File

@@ -1,31 +1,28 @@
/*
** =========================================================================
** File:
** ImmVibeSPI.c
**
** Description:
** Device-dependent functions called by Immersion TSP API
** to control PWM duty cycle, amp enable/disable, save IVT file, etc...
**
** Portions Copyright (c) 2008-2010 Immersion Corporation. All Rights Reserved.
**
** This file contains Original Code and/or Modifications of Original Code
** as defined in and that are subject to the GNU Public License v2 -
** (the 'License'). You may not use this file except in compliance with the
** License. You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software Foundation, Inc.,
** 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or contact
** TouchSenseSales@immersion.com.
**
** The Original Code and all software distributed under the License are
** distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
** EXPRESS OR IMPLIED, AND IMMERSION HEREBY DISCLAIMS ALL SUCH WARRANTIES,
** INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
** FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see
** the License for the specific language governing rights and limitations
** under the License.
** =========================================================================
*/
* File: ImmVibeSPI.c
*
* Description:
* Device-dependent functions called by Immersion TSP API
* to control PWM duty cycle, amp enable/disable, save IVT file, etc...
*
* Portions Copyright (c) 2008-2010 Immersion Corporation. All Rights Reserved.
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the GNU Public License v2 -
* (the 'License'). You may not use this file except in compliance with the
* License. You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or contact
* TouchSenseSales@immersion.com.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND IMMERSION HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see
* the License for the specific language governing rights and limitations
* under the License.
*/
#include <linux/io.h>
#include <linux/err.h>
@@ -37,18 +34,6 @@
#include <mach/msm_iomap.h>
#include <mach/msm_xo.h>
#ifdef IMMVIBESPIAPI
#undef IMMVIBESPIAPI
#endif
#define IMMVIBESPIAPI static
/*
** This SPI supports only one actuator.
*/
#define NUM_ACTUATORS 1
#define PWM_DUTY_MAX 579 /* 13MHz / (579 + 1) = 22.4kHz */
static bool g_bAmpEnabled = false;
/* gpio and clock control for vibrator */
@@ -79,8 +64,6 @@ static bool g_bAmpEnabled = false;
#define GP_CLK_D_MAX GP_CLK_N_DEFAULT
#define GP_CLK_D_HALF (GP_CLK_N_DEFAULT >> 1)
#define MOTOR_AMP 120
static struct gpiomux_setting vibrator_suspend_cfg = {
.func = GPIOMUX_FUNC_GPIO,
@@ -174,7 +157,6 @@ static int vibrator_power_set(int enable)
pr_warn("%s: regulator_is_enabled failed\n", __func__);
}
//rc = regulator_set_voltage(vreg_l16, 3000000, 3000000);
rc = regulator_set_voltage(vreg_l16, 2800000, 2800000);
if(enable) {
@@ -257,7 +239,7 @@ static void vibrator_ic_enable_set(int enable)
/*
** Called to disable amp (disable output force)
*/
IMMVIBESPIAPI VibeStatus ImmVibeSPI_ForceOut_AmpDisable(VibeUInt8 nActuatorIndex)
static VibeStatus ImmVibeSPI_ForceOut_AmpDisable(VibeUInt8 nActuatorIndex)
{
if (g_bAmpEnabled) {
@@ -276,7 +258,7 @@ IMMVIBESPIAPI VibeStatus ImmVibeSPI_ForceOut_AmpDisable(VibeUInt8 nActuatorIndex
/*
** Called to enable amp (enable output force)
*/
IMMVIBESPIAPI VibeStatus ImmVibeSPI_ForceOut_AmpEnable(VibeUInt8 nActuatorIndex)
static VibeStatus ImmVibeSPI_ForceOut_AmpEnable(VibeUInt8 nActuatorIndex)
{
if (!g_bAmpEnabled) {
@@ -298,7 +280,7 @@ IMMVIBESPIAPI VibeStatus ImmVibeSPI_ForceOut_AmpEnable(VibeUInt8 nActuatorIndex)
/*
** Called at initialization time to set PWM freq, disable amp, etc...
*/
IMMVIBESPIAPI VibeStatus ImmVibeSPI_ForceOut_Initialize(void)
static VibeStatus ImmVibeSPI_ForceOut_Initialize(void)
{
int rc;
int gpio_motor_en = 0;
@@ -347,7 +329,7 @@ IMMVIBESPIAPI VibeStatus ImmVibeSPI_ForceOut_Initialize(void)
/*
** Called at termination time to set PWM freq, disable amp, etc...
*/
IMMVIBESPIAPI VibeStatus ImmVibeSPI_ForceOut_Terminate(void)
static VibeStatus ImmVibeSPI_ForceOut_Terminate(void)
{
DbgOut((KERN_DEBUG "ImmVibeSPI_ForceOut_Terminate.\n"));
@@ -366,7 +348,7 @@ IMMVIBESPIAPI VibeStatus ImmVibeSPI_ForceOut_Terminate(void)
/*
** Called by the real-time loop to set PWM duty cycle
*/
IMMVIBESPIAPI VibeStatus ImmVibeSPI_ForceOut_SetSamples(VibeUInt8 nActuatorIndex, VibeUInt16 nOutputSignalBitDepth, VibeUInt16 nBufferSizeInBytes, VibeInt8* pForceOutputBuffer)
static VibeStatus ImmVibeSPI_ForceOut_SetSamples(VibeUInt8 nActuatorIndex, VibeUInt16 nOutputSignalBitDepth, VibeUInt16 nBufferSizeInBytes, VibeInt8* pForceOutputBuffer)
{
VibeInt8 nForce;
@@ -405,22 +387,7 @@ IMMVIBESPIAPI VibeStatus ImmVibeSPI_ForceOut_SetSamples(VibeUInt8 nActuatorIndex
/*
** Called to get the device name (device name must be returned as ANSI char)
*/
IMMVIBESPIAPI VibeStatus ImmVibeSPI_Device_GetName(VibeUInt8 nActuatorIndex, char *szDevName, int nSize)
static VibeStatus ImmVibeSPI_Device_GetName(VibeUInt8 nActuatorIndex, char *szDevName, int nSize)
{
#if 0
/* The following code is provided as a sample.
* Please modify as required.
*/
if ((!szDevName) || (nSize < 1))
return VIBE_E_FAIL;
DbgOut((KERN_DEBUG "ImmVibeSPI_Device_GetName.\n"));
strncpy(szDevName, "Generic Linux Device", nSize-1);
/* make sure the string is NULL terminated */
szDevName[nSize - 1] = '\0';
#endif
return VIBE_S_SUCCESS;
}

66
drivers/misc/tspdrv/VibeOSKernelLinuxHRTime.c
View File

@@ -1,36 +1,33 @@
/*
** =========================================================================
** File:
** VibeOSKernelLinuxHRTime.c
**
** Description:
** High Resolution Time helper functions for Linux.
**
** Portions Copyright (c) 2010-2011 Immersion Corporation. All Rights Reserved.
**
** This file contains Original Code and/or Modifications of Original Code
** as defined in and that are subject to the GNU Public License v2 -
** (the 'License'). You may not use this file except in compliance with the
** License. You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software Foundation, Inc.,
** 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or contact
** TouchSenseSales@immersion.com.
**
** The Original Code and all software distributed under the License are
** distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
** EXPRESS OR IMPLIED, AND IMMERSION HEREBY DISCLAIMS ALL SUCH WARRANTIES,
** INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
** FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see
** the License for the specific language governing rights and limitations
** under the License.
** =========================================================================
*/
* File: VibeOSKernelLinuxHRTime.c
*
* Description:
* High Resolution Time helper functions for Linux.
*
* Portions Copyright (c) 2010-2011 Immersion Corporation. All Rights Reserved.
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the GNU Public License v2 -
* (the 'License'). You may not use this file except in compliance with the
* License. You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or contact
* TouchSenseSales@immersion.com.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND IMMERSION HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see
* the License for the specific language governing rights and limitations
* under the License.
*/
/*
** Kernel high-resolution software timer is used as an example but another type
** of timer (such as HW timer or standard software timer) might be used to achieve
** the 5ms required rate.
*/
* Kernel high-resolution software timer is used as an example but another type
* of timer (such as HW timer or standard software timer) might be used to achieve
* the 5ms required rate.
*/
#ifndef CONFIG_HIGH_RES_TIMERS
#warning "The Kernel does not have high resolution timers enabled. Either provide a non hr-timer implementation of VibeOSKernelLinuxTime.c or re-compile your kernel with CONFIG_HIGH_RES_TIMERS=y"
@@ -202,10 +199,11 @@ static void VibeOSKernelLinuxStartTimer(void)
return;
/*
** Use interruptible version of down to be safe
** (try to not being stuck here if the mutex is not freed for any reason)
*/
/* wait for the mutex to be freed by the timer */
* Use interruptible version of down to be safe
* (try to not being stuck here
* if the mutex is not freed for any reason)
* wait for the mutex to be freed by the timer
*/
res = down_interruptible(&g_hMutex);
if (res != 0) {
DbgOut((KERN_INFO "VibeOSKernelLinuxStartTimer: down_interruptible interrupted by a signal.\n"));

82
drivers/misc/tspdrv/VibeOSKernelLinuxTime.c
View File

@@ -1,37 +1,34 @@
/*
** =========================================================================
** File:
** VibeOSKernelLinuxTime.c
**
** Description:
** Time helper functions for Linux.
**
** Portions Copyright (c) 2008-2011 Immersion Corporation. All Rights Reserved.
**
** This file contains Original Code and/or Modifications of Original Code
** as defined in and that are subject to the GNU Public License v2 -
** (the 'License'). You may not use this file except in compliance with the
** License. You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software Foundation, Inc.,
** 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or contact
** TouchSenseSales@immersion.com.
**
** The Original Code and all software distributed under the License are
** distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
** EXPRESS OR IMPLIED, AND IMMERSION HEREBY DISCLAIMS ALL SUCH WARRANTIES,
** INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
** FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see
** the License for the specific language governing rights and limitations
** under the License.
** =========================================================================
*/
* File: VibeOSKernelLinuxTime.c
*
* Description:
* Time helper functions for Linux.
*
* Portions Copyright (c) 2008-2011 Immersion Corporation. All Rights Reserved.
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the GNU Public License v2 -
* (the 'License'). You may not use this file except in compliance with the
* License. You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or contact
* TouchSenseSales@immersion.com.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND IMMERSION HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see
* the License for the specific language governing rights and limitations
* under the License.
*/
#error "Please read the following statement"
/*
** Kernel standard software timer is used as an example but another type
** of timer (such as HW timer or high-resolution software timer) might be used
** to achieve the 5ms required rate.
*/
* Kernel standard software timer is used as an example but another type
* of timer (such as HW timer or high-resolution software timer) might be used
* to achieve the 5ms required rate.
*/
#error "End of statement"
#if (HZ != 1000)
@@ -96,8 +93,10 @@ static int VibeOSKernelProcessData(void* data)
((++g_nWatchdogCounter) > WATCHDOG_TIMEOUT)) {
VibeInt8 cZero[1] = {0};
/* Nothing to play for all actuators,
turn off the timer when we reach the watchdog tick count limit */
/* Nothing to play for all actuators,
* turn off the timer when we reach
* the watchdog tick count limit
*/
ImmVibeSPI_ForceOut_SetSamples(i, 8, 1, cZero);
ImmVibeSPI_ForceOut_AmpDisable(i);
VibeOSKernelLinuxStopTimer();
@@ -194,9 +193,10 @@ static void VibeOSKernelLinuxStartTimer(void)
return;
/*
** Use interruptible version of down to be safe
** (try to not being stuck here if the mutex is not freed for any reason)
*/
* Use interruptible version of down to be safe
* (try to not being stuck here
* if the mutex is not freed for any reason)
*/
res = down_interruptible(&g_hMutex); /* wait for the mutex to be freed by the timer */
if (res != 0) {
DbgOut((KERN_INFO "VibeOSKernelLinuxStartTimer: down_interruptible interrupted by a signal.\n"));
@@ -211,11 +211,13 @@ static void VibeOSKernelLinuxStopTimer(void)
g_bTimerStarted = false;
/*
** Stop the timer.
** Use del_timer vs. del_timer_sync
** del_timer_sync may cause a Kernel "soft lockup" on multi-CPU platforms
** as VibeOSKernelLinuxStopTimer is called from the timer tick handler.
*/
* Stop the timer.
* Use del_timer vs. del_timer_sync
* del_timer_sync may cause a Kernel "soft lockup"
* on multi-CPU platforms
* as VibeOSKernelLinuxStopTimer is called
* from the timer tick handler.
*/
del_timer(&g_timerList);
}

112
drivers/misc/tspdrv/tspdrv.c
View File

@@ -1,34 +1,27 @@
/*
** =========================================================================
** File:
** tspdrv.c
**
** Description:
** TouchSense Kernel Module main entry-point.
**
** Portions Copyright (c) 2008-2011 Immersion Corporation. All Rights Reserved.
**
** This file contains Original Code and/or Modifications of Original Code
** as defined in and that are subject to the GNU Public License v2 -
** (the 'License'). You may not use this file except in compliance with the
** License. You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software Foundation, Inc.,
** 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or contact
** TouchSenseSales@immersion.com.
**
** The Original Code and all software distributed under the License are
** distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
** EXPRESS OR IMPLIED, AND IMMERSION HEREBY DISCLAIMS ALL SUCH WARRANTIES,
** INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
** FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see
** the License for the specific language governing rights and limitations
** under the License.
** =========================================================================
*/
#ifndef __KERNEL__
#define __KERNEL__
#endif
* File: tspdrv.c
*
* Description:
* TouchSense Kernel Module main entry-point.
*
* Portions Copyright (c) 2008-2011 Immersion Corporation. All Rights Reserved.
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the GNU Public License v2 -
* (the 'License'). You may not use this file except in compliance with the
* License. You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or contact
* TouchSenseSales@immersion.com.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND IMMERSION HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see
* the License for the specific language governing rights and limitations
* under the License.
*/
#include <linux/module.h>
#include <linux/kernel.h>
@@ -232,17 +225,17 @@ static int release(struct inode *inode, struct file *file)
DbgOut((KERN_INFO "tspdrv: release.\n"));
/*
** Reset force and stop timer when the driver is closed, to make sure
** no dangling semaphore remains in the system, especially when the
** driver is run outside of immvibed for testing purposes.
*/
* Reset force and stop timer when the driver is closed, to make sure
* no dangling semaphore remains in the system, especially when the
* driver is run outside of immvibed for testing purposes.
*/
VibeOSKernelLinuxStopTimer();
/*
** Clear the variable used to store the magic number to prevent
** unauthorized caller to write data. TouchSense service is the only
** valid caller.
*/
* Clear the variable used to store the magic number to prevent
* unauthorized caller to write data. TouchSense service is the only
* valid caller.
*/
file->private_data = (void*)NULL;
module_put(THIS_MODULE);
@@ -277,9 +270,9 @@ static ssize_t write(struct file *file, const char *buf, size_t count, loff_t *p
*ppos = 0; /* file position not used, always set to 0 */
/*
** Prevent unauthorized caller to write data.
** TouchSense service is the only valid caller.
*/
* Prevent unauthorized caller to write data.
* TouchSense service is the only valid caller.
*/
if (file->private_data != (void*)TSPDRV_MAGIC_NUMBER) {
DbgOut((KERN_ERR "tspdrv: unauthorized write.\n"));
return 0;
@@ -305,9 +298,9 @@ static ssize_t write(struct file *file, const char *buf, size_t count, loff_t *p
if ((i + SPI_HEADER_SIZE) >= count) {
/*
** Index is about to go beyond the buffer size.
** (Should never happen).
*/
* Index is about to go beyond the buffer size.
* (Should never happen).
*/
DbgOut((KERN_EMERG "tspdrv: invalid buffer index.\n"));
}
@@ -352,7 +345,10 @@ static ssize_t write(struct file *file, const char *buf, size_t count, loff_t *p
/* Store the data in the free buffer of the given actuator */
memcpy(&(g_SamplesBuffer[pInputBuffer->nActuatorIndex].actuatorSamples[nIndexFreeBuffer]), &g_cWriteBuffer[i], (SPI_HEADER_SIZE + pInputBuffer->nBufferSize));
/* If the no buffer is playing, prepare to play g_SamplesBuffer[pInputBuffer->nActuatorIndex].actuatorSamples[nIndexFreeBuffer] */
/* If the no buffer is playing,prepare to play
* g_SamplesBuffer[pInputBuffer->nActuatorIndex]
* .actuatorSamples[nIndexFreeBuffer]
*/
if ( -1 == g_SamplesBuffer[pInputBuffer->nActuatorIndex].nIndexPlayingBuffer) {
g_SamplesBuffer[pInputBuffer->nActuatorIndex].nIndexPlayingBuffer = nIndexFreeBuffer;
g_SamplesBuffer[pInputBuffer->nActuatorIndex].nIndexOutputValue = 0;
@@ -392,22 +388,24 @@ static int ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsig
switch (cmd) {
case TSPDRV_STOP_KERNEL_TIMER:
/*
** As we send one sample ahead of time, we need to finish playing the last sample
** before stopping the timer. So we just set a flag here.
*/
/*
* As we send one sample ahead of time, we need to finish
* playing the last samplebefore stopping the timer.
* So we just set a flag here.
*/
if (true == g_bIsPlaying)
g_bStopRequested = true;
#ifdef VIBEOSKERNELPROCESSDATA
/* Last data processing to disable amp and stop timer */
/* Last data processing to disable amp and stop timer */
VibeOSKernelProcessData(NULL);
#endif
#ifdef QA_TEST
if (g_nForceLogIndex) {
for (i=0; i<g_nForceLogIndex; i++) {
printk("<6>%d\t%d\n", g_nTime, g_nForceLog[i]);
for (i = 0; i < g_nForceLogIndex; i++) {
printk(KERN_INFO "%d\t%d\n", g_nTime,
g_nForceLog[i]);
g_nTime += TIME_INCREMENT;
}
}
@@ -423,12 +421,16 @@ static int ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsig
case TSPDRV_ENABLE_AMP:
ImmVibeSPI_ForceOut_AmpEnable(arg);
DbgRecorderReset((arg));
DbgRecord((arg,";------- TSPDRV_ENABLE_AMP ---------\n"));
DbgRecord((arg,";TSPDRV_ENABLE_AMP\n"));
break;
case TSPDRV_DISABLE_AMP:
/* Small fix for now to handle proper combination of TSPDRV_STOP_KERNEL_TIMER and TSPDRV_DISABLE_AMP together */
/* If a stop was requested, ignore the request as the amp will be disabled by the timer proc when it's ready */
/* Small fix for now to handle proper combination of
* TSPDRV_STOP_KERNEL_TIMER and TSPDRV_DISABLE_AMP together
* If a stop was requested, ignore the request
* as the amp will be disabled by the timer proc
* when it's ready
*/
if (!g_bStopRequested) {
ImmVibeSPI_ForceOut_AmpDisable(arg);
}

51
drivers/misc/tspdrv/tspdrv.h
View File

@@ -1,30 +1,27 @@
/*
** =========================================================================
** File:
** tspdrv.h
**
** Description:
** Constants and type definitions for the TouchSense Kernel Module.
**
** Portions Copyright (c) 2008-2010 Immersion Corporation. All Rights Reserved.
**
** This file contains Original Code and/or Modifications of Original Code
** as defined in and that are subject to the GNU Public License v2 -
** (the 'License'). You may not use this file except in compliance with the
** License. You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software Foundation, Inc.,
** 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or contact
** TouchSenseSales@immersion.com.
**
** The Original Code and all software distributed under the License are
** distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
** EXPRESS OR IMPLIED, AND IMMERSION HEREBY DISCLAIMS ALL SUCH WARRANTIES,
** INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
** FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see
** the License for the specific language governing rights and limitations
** under the License.
** =========================================================================
*/
* File: tspdrv.h
*
* Description:
* Constants and type definitions for the TouchSense Kernel Module.
*
* Portions Copyright (c) 2008-2010 Immersion Corporation. All Rights Reserved.
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the GNU Public License v2 -
* (the 'License'). You may not use this file except in compliance with the
* License. You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or contact
* TouchSenseSales@immersion.com.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND IMMERSION HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see
* the License for the specific language governing rights and limitations
* under the License.
*/
#ifndef _TSPDRV_H
#define _TSPDRV_H
@@ -41,7 +38,7 @@
#define TSPDRV_ENABLE_AMP _IO(TSPDRV_MAGIC_NUMBER & 0xFF, 3)
#define TSPDRV_DISABLE_AMP _IO(TSPDRV_MAGIC_NUMBER & 0xFF, 4)
#define TSPDRV_GET_NUM_ACTUATORS _IO(TSPDRV_MAGIC_NUMBER & 0xFF, 5)
#define VIBE_MAX_DEVICE_NAME_LENGTH 64
#define VIBE_MAX_DEVICE_NAME_LENGTH 64
#define SPI_HEADER_SIZE 3 /* DO NOT CHANGE - SPI buffer header size */
#define VIBE_OUTPUT_SAMPLE_SIZE 50 /* DO NOT CHANGE - maximum number of samples */