diff options
Diffstat (limited to 'drivers/media/common/siano/smsir.c')
| -rw-r--r-- | drivers/media/common/siano/smsir.c | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/drivers/media/common/siano/smsir.c b/drivers/media/common/siano/smsir.c new file mode 100644 index 00000000000..37bc5c4b8ad --- /dev/null +++ b/drivers/media/common/siano/smsir.c @@ -0,0 +1,114 @@ +/**************************************************************** + + 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 <linux/types.h> +#include <linux/input.h> + +#include "smscoreapi.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; + + sms_log("Allocating rc device"); + dev = rc_allocate_device(); + if (!dev) { + sms_err("Not enough memory"); + return -ENOMEM; + } + + coredev->ir.controller = 0; /* Todo: vega/nova SPI number */ + coredev->ir.timeout = IR_DEFAULT_TIMEOUT; + sms_log("IR port %d, timeout %d ms", + 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_protos = RC_TYPE_ALL; + dev->map_name = sms_get_board(board_id)->rc_codes; + dev->driver_name = MODULE_NAME; + + sms_log("Input device (IR) %s is set for key events", dev->input_name); + + err = rc_register_device(dev); + if (err < 0) { + sms_err("Failed to register device"); + rc_free_device(dev); + return err; + } + + coredev->ir.dev = dev; + return 0; +} + +void sms_ir_exit(struct smscore_device_t *coredev) +{ + if (coredev->ir.dev) + rc_unregister_device(coredev->ir.dev); + + sms_log(""); +} |