/*
** Called to disable amp (disable output force)
*/
IMMVIBESPIAPI VibeStatus ImmVibeSPI_ForceOut_AmpDisable(VibeUInt8 nActuatorIndex)
{
/*printk(KERN_ERR"[VIBRATOR] ImmVibeSPI_ForceOut_AmpDisable is called\n");*/
#if 0
if (g_bAmpEnabled) {
DbgOut((KERN_DEBUG "ImmVibeSPI_ForceOut_AmpDisable.\n"));
g_bAmpEnabled = false;
/* Disable amp */
/* Disable PWM CLK */
}
#endif
if (g_bAmpEnabled) {
g_bAmpEnabled = false;
#if !defined(CONFIG_MACH_P4NOTE)
vibtonz_pwm(0);
vibtonz_en(false);
#endif
if (regulator_hapticmotor_enabled == 1) {
regulator_hapticmotor_enabled = 0;
printk(KERN_DEBUG "Motor:tspdrv: %s (%d)\n", __func__,
regulator_hapticmotor_enabled);
}
}
return VIBE_S_SUCCESS;
}
/*
** Called to disable amp (disable output force)
*/
IMMVIBESPIAPI VibeStatus ImmVibeSPI_ForceOut_AmpDisable(VibeUInt8 nActuatorIndex)
{
if (g_bAmpEnabled) {
g_bAmpEnabled = false;
vibtonz_pwm(0);
vibtonz_en(false);
if (regulator_hapticmotor_enabled == 1) {
regulator_hapticmotor_enabled = 0;
}
}
return VIBE_S_SUCCESS;
}
IMMVIBESPIAPI VibeStatus ImmVibeSPI_ForceOut_SetSamples(VibeUInt8 nActuatorIndex,
VibeUInt16 nOutputSignalBitDepth,
VibeUInt16 nBufferSizeInBytes,
VibeInt8 * pForceOutputBuffer)
{
VibeInt8 nForce;
#if defined(CONFIG_IMM_DRV_VERSION_3_7)
if (g_bOutputDataBufferEmpty) {
nActuatorIndex = 0;
nOutputSignalBitDepth = 8;
nBufferSizeInBytes = 1;
pForceOutputBuffer[0] = 0;
}
#endif /* CONFIG_IMM_DRV_VERSION_3_7 */
switch (nOutputSignalBitDepth) {
case 8:
/* pForceOutputBuffer is expected to contain 1 byte */
if (nBufferSizeInBytes != 1) {
DbgOut((KERN_ERR "[ImmVibeSPI] ImmVibeSPI_ForceOut_SetSamples nBufferSizeInBytes = %d\n",
nBufferSizeInBytes));
return VIBE_E_FAIL;
}
nForce = pForceOutputBuffer[0];
break;
case 16:
/* pForceOutputBuffer is expected to contain 2 byte */
if (nBufferSizeInBytes != 2)
return VIBE_E_FAIL;
/* Map 16-bit value to 8-bit */
nForce = ((VibeInt16 *)pForceOutputBuffer)[0] >> 8;
break;
default:
/* Unexpected bit depth */
return VIBE_E_FAIL;
}
if (nForce == 0) {
/* Set 50% duty cycle or disable amp */
ImmVibeSPI_ForceOut_AmpDisable(0);
} else {
/* Map force from [-127, 127] to [0, PWM_DUTY_MAX] */
vibtonz_pwm(nForce);
ImmVibeSPI_ForceOut_AmpEnable(0);
}
return VIBE_S_SUCCESS;
}