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 0000000000..d85c78c104
--- /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");
+}