98 lines
2.4 KiB
C
98 lines
2.4 KiB
C
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// SPDX-License-Identifier: GPL-2.0+
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//
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// Siano Mobile Silicon, Inc.
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// MDTV receiver kernel modules.
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// Copyright (C) 2006-2009, Uri Shkolnik
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//
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// Copyright (c) 2010 - Mauro Carvalho Chehab
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// - Ported the driver to use rc-core
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// - IR raw event decoding is now done at rc-core
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// - Code almost re-written
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#include "smscoreapi.h"
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#include <linux/types.h>
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#include <linux/input.h>
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#include "smsir.h"
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#include "sms-cards.h"
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#define MODULE_NAME "smsmdtv"
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void sms_ir_event(struct smscore_device_t *coredev, const char *buf, int len)
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{
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int i;
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const s32 *samples = (const void *)buf;
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for (i = 0; i < len >> 2; i++) {
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struct ir_raw_event ev = {
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.duration = abs(samples[i]) * 1000, /* Convert to ns */
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.pulse = (samples[i] > 0) ? false : true
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};
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ir_raw_event_store(coredev->ir.dev, &ev);
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}
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ir_raw_event_handle(coredev->ir.dev);
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}
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int sms_ir_init(struct smscore_device_t *coredev)
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{
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int err;
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int board_id = smscore_get_board_id(coredev);
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struct rc_dev *dev;
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pr_debug("Allocating rc device\n");
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dev = rc_allocate_device(RC_DRIVER_IR_RAW);
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if (!dev)
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return -ENOMEM;
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coredev->ir.controller = 0; /* Todo: vega/nova SPI number */
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coredev->ir.timeout = IR_DEFAULT_TIMEOUT;
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pr_debug("IR port %d, timeout %d ms\n",
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coredev->ir.controller, coredev->ir.timeout);
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snprintf(coredev->ir.name, sizeof(coredev->ir.name),
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"SMS IR (%s)", sms_get_board(board_id)->name);
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strscpy(coredev->ir.phys, coredev->devpath, sizeof(coredev->ir.phys));
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strlcat(coredev->ir.phys, "/ir0", sizeof(coredev->ir.phys));
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dev->device_name = coredev->ir.name;
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dev->input_phys = coredev->ir.phys;
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dev->dev.parent = coredev->device;
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#if 0
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/* TODO: properly initialize the parameters below */
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dev->input_id.bustype = BUS_USB;
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dev->input_id.version = 1;
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dev->input_id.vendor = le16_to_cpu(dev->udev->descriptor.idVendor);
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dev->input_id.product = le16_to_cpu(dev->udev->descriptor.idProduct);
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#endif
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dev->priv = coredev;
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dev->allowed_protocols = RC_PROTO_BIT_ALL_IR_DECODER;
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dev->map_name = sms_get_board(board_id)->rc_codes;
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dev->driver_name = MODULE_NAME;
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pr_debug("Input device (IR) %s is set for key events\n",
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dev->device_name);
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err = rc_register_device(dev);
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if (err < 0) {
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pr_err("Failed to register device\n");
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rc_free_device(dev);
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return err;
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}
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coredev->ir.dev = dev;
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return 0;
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}
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void sms_ir_exit(struct smscore_device_t *coredev)
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{
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rc_unregister_device(coredev->ir.dev);
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pr_debug("\n");
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}
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