163 lines
3.8 KiB
C
163 lines
3.8 KiB
C
/* include/asm/mach-msm/htc_pwrsink.h
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*
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* Copyright (C) 2008 HTC Corporation.
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* Copyright (C) 2007 Google, Inc.
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* Copyright (c) 2011 The Linux Foundation. All rights reserved.
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#include <linux/kernel.h>
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#include <linux/platform_device.h>
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#include <linux/err.h>
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#include <linux/hrtimer.h>
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#include <linux/sched.h>
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#include <linux/module.h>
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#include "pmic.h"
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#include "timed_output.h"
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#include <mach/msm_rpcrouter.h>
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#define PM_LIBPROG 0x30000061
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#if (CONFIG_MSM_AMSS_VERSION == 6220) || (CONFIG_MSM_AMSS_VERSION == 6225)
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#define PM_LIBVERS 0xfb837d0b
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#else
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#define PM_LIBVERS 0x10001
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#endif
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#define HTC_PROCEDURE_SET_VIB_ON_OFF 21
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#define PMIC_VIBRATOR_LEVEL (3000)
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static struct work_struct work_vibrator_on;
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static struct work_struct work_vibrator_off;
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static struct hrtimer vibe_timer;
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#ifdef CONFIG_PM8XXX_RPC_VIBRATOR
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static void set_pmic_vibrator(int on)
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{
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int rc;
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rc = pmic_vib_mot_set_mode(PM_VIB_MOT_MODE__MANUAL);
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if (rc) {
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pr_err("%s: Vibrator set mode failed", __func__);
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return;
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}
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if (on)
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rc = pmic_vib_mot_set_volt(PMIC_VIBRATOR_LEVEL);
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else
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rc = pmic_vib_mot_set_volt(0);
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if (rc)
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pr_err("%s: Vibrator set voltage level failed", __func__);
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}
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#else
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static void set_pmic_vibrator(int on)
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{
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static struct msm_rpc_endpoint *vib_endpoint;
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struct set_vib_on_off_req {
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struct rpc_request_hdr hdr;
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uint32_t data;
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} req;
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if (!vib_endpoint) {
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vib_endpoint = msm_rpc_connect(PM_LIBPROG, PM_LIBVERS, 0);
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if (IS_ERR(vib_endpoint)) {
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printk(KERN_ERR "init vib rpc failed!\n");
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vib_endpoint = 0;
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return;
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}
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}
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if (on)
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req.data = cpu_to_be32(PMIC_VIBRATOR_LEVEL);
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else
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req.data = cpu_to_be32(0);
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msm_rpc_call(vib_endpoint, HTC_PROCEDURE_SET_VIB_ON_OFF, &req,
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sizeof(req), 5 * HZ);
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}
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#endif
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static void pmic_vibrator_on(struct work_struct *work)
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{
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set_pmic_vibrator(1);
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}
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static void pmic_vibrator_off(struct work_struct *work)
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{
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set_pmic_vibrator(0);
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}
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static void timed_vibrator_on(struct timed_output_dev *sdev)
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{
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schedule_work(&work_vibrator_on);
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}
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static void timed_vibrator_off(struct timed_output_dev *sdev)
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{
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schedule_work(&work_vibrator_off);
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}
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static void vibrator_enable(struct timed_output_dev *dev, int value)
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{
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hrtimer_cancel(&vibe_timer);
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if (value == 0)
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timed_vibrator_off(dev);
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else {
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value = (value > 15000 ? 15000 : value);
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timed_vibrator_on(dev);
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hrtimer_start(&vibe_timer,
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ktime_set(value / 1000, (value % 1000) * 1000000),
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HRTIMER_MODE_REL);
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}
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}
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static int vibrator_get_time(struct timed_output_dev *dev)
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{
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if (hrtimer_active(&vibe_timer)) {
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ktime_t r = hrtimer_get_remaining(&vibe_timer);
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struct timeval t = ktime_to_timeval(r);
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return t.tv_sec * 1000 + t.tv_usec / 1000;
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}
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return 0;
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}
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static enum hrtimer_restart vibrator_timer_func(struct hrtimer *timer)
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{
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timed_vibrator_off(NULL);
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return HRTIMER_NORESTART;
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}
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static struct timed_output_dev pmic_vibrator = {
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.name = "vibrator",
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.get_time = vibrator_get_time,
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.enable = vibrator_enable,
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};
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void __init msm_init_pmic_vibrator(void)
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{
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INIT_WORK(&work_vibrator_on, pmic_vibrator_on);
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INIT_WORK(&work_vibrator_off, pmic_vibrator_off);
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hrtimer_init(&vibe_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
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vibe_timer.function = vibrator_timer_func;
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timed_output_dev_register(&pmic_vibrator);
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}
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MODULE_DESCRIPTION("timed output pmic vibrator device");
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MODULE_LICENSE("GPL");
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