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97 lines
2.4 KiB
97 lines
2.4 KiB
// 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]), |
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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 = US_TO_NS(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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