Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / media / common / siano / smsir.c

diff --git a/kernel/drivers/media/common/siano/smsir.c b/kernel/drivers/media/common/siano/smsir.c
new file mode 100644 (file)
index 0000000..1d60d20
--- /dev/null
+++ b/kernel/drivers/media/common/siano/smsir.c
@@ -0,0 +1,113 @@
+/****************************************************************
+
+ 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
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+ ****************************************************************/
+
+
+#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++) {
+               DEFINE_IR_RAW_EVENT(ev);
+
+               ev.duration = abs(samples[i]) * 1000; /* Convert to ns */
+               ev.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();
+       if (!dev)
+               return -ENOMEM;
+
+       coredev->ir.controller = 0;     /* Todo: vega/nova SPI number */
+       coredev->ir.timeout = 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);
+
+       strlcpy(coredev->ir.phys, coredev->devpath, sizeof(coredev->ir.phys));
+       strlcat(coredev->ir.phys, "/ir0", sizeof(coredev->ir.phys));
+
+       dev->input_name = coredev->ir.name;
+       dev->input_phys = coredev->ir.phys;
+       dev->dev.parent = coredev->device;
+
+#if 0
+       /* TODO: properly initialize the parameters bellow */
+       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->driver_type = RC_DRIVER_IR_RAW;
+       dev->allowed_protocols = RC_BIT_ALL;
+       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->input_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");
+}