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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/media/common/siano/smsir.c | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/media/common/siano/smsir.c')
-rw-r--r-- | drivers/media/common/siano/smsir.c | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/drivers/media/common/siano/smsir.c b/drivers/media/common/siano/smsir.c new file mode 100644 index 000000000..d85c78c10 --- /dev/null +++ b/drivers/media/common/siano/smsir.c @@ -0,0 +1,97 @@ +// SPDX-License-Identifier: GPL-2.0+ +// +// Siano Mobile Silicon, Inc. +// MDTV receiver kernel modules. +// Copyright (C) 2006-2009, Uri Shkolnik +// +// Copyright (c) 2010 - Mauro Carvalho Chehab +// - Ported the driver to use rc-core +// - IR raw event decoding is now done at rc-core +// - Code almost re-written + + +#include "smscoreapi.h" + +#include <linux/types.h> +#include <linux/input.h> + +#include "smsir.h" +#include "sms-cards.h" + +#define MODULE_NAME "smsmdtv" + +void sms_ir_event(struct smscore_device_t *coredev, const char *buf, int len) +{ + int i; + const s32 *samples = (const void *)buf; + + for (i = 0; i < len >> 2; i++) { + struct ir_raw_event ev = { + .duration = abs(samples[i]), + .pulse = (samples[i] > 0) ? false : true + }; + + ir_raw_event_store(coredev->ir.dev, &ev); + } + ir_raw_event_handle(coredev->ir.dev); +} + +int sms_ir_init(struct smscore_device_t *coredev) +{ + int err; + int board_id = smscore_get_board_id(coredev); + struct rc_dev *dev; + + pr_debug("Allocating rc device\n"); + dev = rc_allocate_device(RC_DRIVER_IR_RAW); + if (!dev) + return -ENOMEM; + + coredev->ir.controller = 0; /* Todo: vega/nova SPI number */ + coredev->ir.timeout = US_TO_NS(IR_DEFAULT_TIMEOUT); + pr_debug("IR port %d, timeout %d ms\n", + coredev->ir.controller, coredev->ir.timeout); + + snprintf(coredev->ir.name, sizeof(coredev->ir.name), + "SMS IR (%s)", sms_get_board(board_id)->name); + + strscpy(coredev->ir.phys, coredev->devpath, sizeof(coredev->ir.phys)); + strlcat(coredev->ir.phys, "/ir0", sizeof(coredev->ir.phys)); + + dev->device_name = coredev->ir.name; + dev->input_phys = coredev->ir.phys; + dev->dev.parent = coredev->device; + +#if 0 + /* TODO: properly initialize the parameters below */ + dev->input_id.bustype = BUS_USB; + dev->input_id.version = 1; + dev->input_id.vendor = le16_to_cpu(dev->udev->descriptor.idVendor); + dev->input_id.product = le16_to_cpu(dev->udev->descriptor.idProduct); +#endif + + dev->priv = coredev; + dev->allowed_protocols = RC_PROTO_BIT_ALL_IR_DECODER; + dev->map_name = sms_get_board(board_id)->rc_codes; + dev->driver_name = MODULE_NAME; + + pr_debug("Input device (IR) %s is set for key events\n", + dev->device_name); + + err = rc_register_device(dev); + if (err < 0) { + pr_err("Failed to register device\n"); + rc_free_device(dev); + return err; + } + + coredev->ir.dev = dev; + return 0; +} + +void sms_ir_exit(struct smscore_device_t *coredev) +{ + rc_unregister_device(coredev->ir.dev); + + pr_debug("\n"); +} |