On 08/02/2011 12:13 PM, Anirudh Ghayal wrote:
From: Amy Maloche<amaloche@xxxxxxxxxxxxxx>
Add support for pm8xx based vibrator to facilitate haptics.
This module uses the ff-memless framework.
Cc: Dmitry Torokhov<dmitry.torokhov@xxxxxxxxx>
Signed-off-by: Amy Maloche<amaloche@xxxxxxxxxxxxxx>
Signed-off-by: Anirudh Ghayal<aghayal@xxxxxxxxxxxxxx>
---
Changes:
Addressed Dmitry's comments from the previous RFC submission.
lkml.org/lkml/2011/2/2/53
drivers/input/misc/Kconfig | 12 ++
drivers/input/misc/Makefile | 1 +
drivers/input/misc/pm8xxx-vibrator.c | 309 ++++++++++++++++++++++++++++++++++
3 files changed, 322 insertions(+), 0 deletions(-)
create mode 100644 drivers/input/misc/pm8xxx-vibrator.c
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index c9104bb..50b9e1b 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -74,6 +74,18 @@ config INPUT_PCSPKR
To compile this driver as a module, choose M here: the
module will be called pcspkr.
+config INPUT_PM8XXX_VIBRATOR
+ tristate "Qualcomm PM8XXX vibrator support"
+ depends on MFD_PM8XXX
+ select INPUT_FF_MEMLESS
+ help
+ This option enables device driver support for the vibrator
+ on Qualcomm PM8xxx chip. This driver supports ff-memless interface
+ from input framework.
+
+ To compile this driver as module, choose M here: the
+ module will be called pm8xxx-vibrator.
+
config INPUT_SPARCSPKR
tristate "SPARC Speaker support"
depends on PCI&& SPARC64
diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
index 299ad5e..40ebe2b 100644
--- a/drivers/input/misc/Makefile
+++ b/drivers/input/misc/Makefile
@@ -34,6 +34,7 @@ obj-$(CONFIG_INPUT_PCAP) += pcap_keys.o
obj-$(CONFIG_INPUT_PCF50633_PMU) += pcf50633-input.o
obj-$(CONFIG_INPUT_PCF8574) += pcf8574_keypad.o
obj-$(CONFIG_INPUT_PCSPKR) += pcspkr.o
+obj-$(CONFIG_INPUT_PM8XXX_VIBRATOR) += pm8xxx-vibrator.o
obj-$(CONFIG_INPUT_POWERMATE) += powermate.o
obj-$(CONFIG_INPUT_PWM_BEEPER) += pwm-beeper.o
obj-$(CONFIG_INPUT_PMIC8XXX_PWRKEY) += pmic8xxx-pwrkey.o
diff --git a/drivers/input/misc/pm8xxx-vibrator.c b/drivers/input/misc/pm8xxx-vibrator.c
new file mode 100644
index 0000000..cb2d3ad
--- /dev/null
+++ b/drivers/input/misc/pm8xxx-vibrator.c
@@ -0,0 +1,309 @@
+/* Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include<linux/module.h>
+#include<linux/init.h>
+#include<linux/kernel.h>
+#include<linux/errno.h>
+#include<linux/platform_device.h>
+#include<linux/input.h>
+#include<linux/slab.h>
+#include<linux/mfd/pm8xxx/core.h>
+
+#define VIB_DRV 0x4A
+
+#define VIB_DRV_SEL_MASK 0xf8
+#define VIB_DRV_SEL_SHIFT 0x03
+#define VIB_DRV_EN_MANUAL_MASK 0xfc
+
+#define VIB_MAX_LEVEL_mV (3100)
+#define VIB_MIN_LEVEL_mV (1200)
+#define VIB_MAX_LEVELS (VIB_MAX_LEVEL_mV - VIB_MIN_LEVEL_mV)
+
+#define MAX_FF_SPEED 0xff
+
+/*
+ * struct pm8xxx_vib - structure to hold vibrator data
+ * @vib_input_dev: input device supporting force feedback
+ * @vwork: work structure to set the vibration parameters
Anirudh, It's should be @work?
+ * @dev: device supporting force feedback
+ * @speed: speed of vibration set from userland
+ * @state: state of vibrator
+ * @level: level of vibration to set in the chip
+ * @reg_vib_drv: VIB_DRV register value
+ *
+ */
Thanks
Best Regards
Wanlong Gao
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