1a1934fab0
The allowed and enabled protocol masks need to be expanded to be per filter type in order to support wakeup filter protocol selection. To ease that process abstract access to the rc_dev::allowed_protos and rc_dev::enabled_protocols members with inline functions. Signed-off-by: James Hogan <james.hogan@imgtec.com> Reviewed-by: Antti Seppälä <a.seppala@gmail.com> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
151 lines
4.7 KiB
C
151 lines
4.7 KiB
C
/***************************************************************************
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* Copyright (C) 2010-2012 by Bruno Prémont <bonbons@linux-vserver.org> *
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* *
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* Based on Logitech G13 driver (v0.4) *
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* Copyright (C) 2009 by Rick L. Vinyard, Jr. <rvinyard@cs.nmsu.edu> *
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* *
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* This program is free software: you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation, version 2 of the License. *
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* *
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* This driver is distributed in the hope that it will be useful, but *
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* WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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* General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this software. If not see <http://www.gnu.org/licenses/>. *
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***************************************************************************/
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#include <linux/hid.h>
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#include <linux/hid-debug.h>
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#include <linux/input.h>
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#include "hid-ids.h"
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#include <linux/fb.h>
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#include <linux/vmalloc.h>
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#include <linux/backlight.h>
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#include <linux/lcd.h>
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#include <linux/leds.h>
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#include <linux/seq_file.h>
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#include <linux/debugfs.h>
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#include <linux/completion.h>
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#include <linux/uaccess.h>
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#include <linux/module.h>
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#include <media/rc-core.h>
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#include "hid-picolcd.h"
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int picolcd_raw_cir(struct picolcd_data *data,
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struct hid_report *report, u8 *raw_data, int size)
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{
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unsigned long flags;
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int i, w, sz;
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DEFINE_IR_RAW_EVENT(rawir);
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/* ignore if rc_dev is NULL or status is shunned */
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spin_lock_irqsave(&data->lock, flags);
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if (!data->rc_dev || (data->status & PICOLCD_CIR_SHUN)) {
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spin_unlock_irqrestore(&data->lock, flags);
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return 1;
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}
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spin_unlock_irqrestore(&data->lock, flags);
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/* PicoLCD USB packets contain 16-bit intervals in network order,
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* with value negated for pulse. Intervals are in microseconds.
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*
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* Note: some userspace LIRC code for PicoLCD says negated values
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* for space - is it a matter of IR chip? (pulse for my TSOP2236)
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*
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* In addition, the first interval seems to be around 15000 + base
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* interval for non-first report of IR data - thus the quirk below
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* to get RC_CODE to understand Sony and JVC remotes I have at hand
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*/
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sz = size > 0 ? min((int)raw_data[0], size-1) : 0;
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for (i = 0; i+1 < sz; i += 2) {
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init_ir_raw_event(&rawir);
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w = (raw_data[i] << 8) | (raw_data[i+1]);
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rawir.pulse = !!(w & 0x8000);
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rawir.duration = US_TO_NS(rawir.pulse ? (65536 - w) : w);
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/* Quirk!! - see above */
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if (i == 0 && rawir.duration > 15000000)
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rawir.duration -= 15000000;
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ir_raw_event_store(data->rc_dev, &rawir);
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}
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ir_raw_event_handle(data->rc_dev);
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return 1;
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}
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static int picolcd_cir_open(struct rc_dev *dev)
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{
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struct picolcd_data *data = dev->priv;
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unsigned long flags;
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spin_lock_irqsave(&data->lock, flags);
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data->status &= ~PICOLCD_CIR_SHUN;
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spin_unlock_irqrestore(&data->lock, flags);
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return 0;
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}
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static void picolcd_cir_close(struct rc_dev *dev)
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{
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struct picolcd_data *data = dev->priv;
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unsigned long flags;
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spin_lock_irqsave(&data->lock, flags);
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data->status |= PICOLCD_CIR_SHUN;
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spin_unlock_irqrestore(&data->lock, flags);
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}
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/* initialize CIR input device */
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int picolcd_init_cir(struct picolcd_data *data, struct hid_report *report)
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{
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struct rc_dev *rdev;
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int ret = 0;
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rdev = rc_allocate_device();
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if (!rdev)
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return -ENOMEM;
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rdev->priv = data;
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rdev->driver_type = RC_DRIVER_IR_RAW;
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rc_set_allowed_protocols(rdev, RC_BIT_ALL);
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rdev->open = picolcd_cir_open;
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rdev->close = picolcd_cir_close;
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rdev->input_name = data->hdev->name;
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rdev->input_phys = data->hdev->phys;
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rdev->input_id.bustype = data->hdev->bus;
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rdev->input_id.vendor = data->hdev->vendor;
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rdev->input_id.product = data->hdev->product;
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rdev->input_id.version = data->hdev->version;
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rdev->dev.parent = &data->hdev->dev;
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rdev->driver_name = PICOLCD_NAME;
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rdev->map_name = RC_MAP_RC6_MCE;
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rdev->timeout = MS_TO_NS(100);
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rdev->rx_resolution = US_TO_NS(1);
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ret = rc_register_device(rdev);
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if (ret)
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goto err;
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data->rc_dev = rdev;
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return 0;
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err:
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rc_free_device(rdev);
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return ret;
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}
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void picolcd_exit_cir(struct picolcd_data *data)
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{
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struct rc_dev *rdev = data->rc_dev;
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data->rc_dev = NULL;
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if (rdev)
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rc_unregister_device(rdev);
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}
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