# HG changeset patch
# User Uri Shkolnik <u...@siano-ms.com>
# Date 1242327653 -10800
# Node ID fdfd103426e8aeabb18aaa1e117238e3ca450d0e
# Parent 438275c8cf1084ed8983b084a8d4d7ef03c05022
[0905_18] Siano: IR - add SMS IR protocol
From: Uri Shkolnik <u...@siano-ms.com>
Add the SMS Infra-red protocol handling to the core component.
Priority: normal
Signed-off-by: Uri Shkolnik <u...@siano-ms.com>
diff -r 438275c8cf10 -r fdfd103426e8 linux/drivers/media/dvb/siano/smscoreapi.c
--- a/linux/drivers/media/dvb/siano/smscoreapi.c Thu May 14 21:50:12
2009 +0300
+++ b/linux/drivers/media/dvb/siano/smscoreapi.c Thu May 14 22:00:53
2009 +0300
@@ -34,6 +34,7 @@
#include "smscoreapi.h"
#include "smsendian.h"
#include "sms-cards.h"
+#include "smsir.h"
static int sms_dbg;
module_param_named(debug, sms_dbg, int, 0644);
@@ -349,6 +350,7 @@ int smscore_register_device(struct smsde
init_completion(&dev->init_device_done);
init_completion(&dev->reload_start_done);
init_completion(&dev->resume_done);
+ init_completion(&dev->ir_init_done);
/* alloc common buffer */
dev->common_buffer_size = params->buffer_size * params->num_buffers;
@@ -404,6 +406,71 @@ int smscore_register_device(struct smsde
}
EXPORT_SYMBOL_GPL(smscore_register_device);
+
+static int smscore_sendrequest_and_wait(struct smscore_device_t *coredev,
+ void *buffer, size_t size, struct completion *completion) {
+ int rc = coredev->sendrequest_handler(coredev->context, buffer, size);
+ if (rc < 0) {
+ sms_info("sendrequest returned error %d", rc);
+ return rc;
+ }
+
+ return wait_for_completion_timeout(completion,
+ msecs_to_jiffies(SMS_PROTOCOL_MAX_RAOUNDTRIP_MS)) ?
+ 0 : -ETIME;
+}
+
+/**
+ * Starts & enables IR operations
+ *
+ * @return 0 on success, < 0 on error.
+ */
+static int smscore_init_ir(struct smscore_device_t *coredev)
+{
+ int ir_io;
+ int rc;
+ void *buffer;
+
+ coredev->ir.input_dev = NULL;
+ ir_io = sms_get_board(smscore_get_board_id(coredev))->board_cfg.ir;
+ if (ir_io) {/* only if IR port exist we use IR sub-module */
+ sms_info("IR loading");
+ rc = sms_ir_init(coredev);
+
+ if (rc != 0)
+ sms_err("Error initialization DTV IR sub-module");
+ else {
+ buffer = kmalloc(sizeof(struct SmsMsgData_ST2) +
+ SMS_DMA_ALIGNMENT,
+ GFP_KERNEL | GFP_DMA);
+ if (buffer) {
+ struct SmsMsgData_ST2 *msg =
+ (struct SmsMsgData_ST2 *)
+ SMS_ALIGN_ADDRESS(buffer);
+
+ SMS_INIT_MSG(&msg->xMsgHeader,
+ MSG_SMS_START_IR_REQ,
+ sizeof(struct SmsMsgData_ST2));
+ msg->msgData[0] = coredev->ir.controller;
+ msg->msgData[1] = coredev->ir.timeout;
+
+ smsendian_handle_tx_message(
+ (struct SmsMsgHdr_ST2 *)msg);
+ rc = smscore_sendrequest_and_wait(coredev, msg,
+ msg->xMsgHeader. msgLength,
+ &coredev->ir_init_done);
+
+ kfree(buffer);
+ } else
+ sms_err
+ ("Sending IR initialization message failed");
+ }
+ } else
+ sms_info("IR port has not been detected");
+
+ return 0;
+}
+
/**
* sets initial device mode and notifies client hotplugs that device is ready
*
@@ -424,6 +491,7 @@ int smscore_start_device(struct smscore_
kmutex_lock(&g_smscore_deviceslock);
rc = smscore_notify_callbacks(coredev, coredev->device, 1);
+ smscore_init_ir(coredev);
sms_info("device %p started, rc %d", coredev, rc);
@@ -433,20 +501,6 @@ int smscore_start_device(struct smscore_
}
EXPORT_SYMBOL_GPL(smscore_start_device);
-static int smscore_sendrequest_and_wait(struct smscore_device_t *coredev,
- void *buffer, size_t size,
- struct completion *completion)
-{
- int rc = coredev->sendrequest_handler(coredev->context, buffer, size);
- if (rc < 0) {
- sms_info("sendrequest returned error %d", rc);
- return rc;
- }
-
- return wait_for_completion_timeout(completion,
- msecs_to_jiffies(10000)) ?
- 0 : -ETIME;
-}
static int smscore_load_firmware_family2(struct smscore_device_t *coredev,
void *buffer, size_t size)
@@ -624,6 +678,9 @@ void smscore_unregister_device(struct sm
int retry = 0;
kmutex_lock(&g_smscore_deviceslock);
+
+ /* Release input device (IR) resources */
+ sms_ir_exit(coredev);
smscore_notify_clients(coredev);
smscore_notify_callbacks(coredev, NULL, 0);
@@ -988,6 +1045,18 @@ void smscore_onresponse(struct smscore_d
case MSG_SMS_SLEEP_RESUME_COMP_IND:
complete(&coredev->resume_done);
break;
+ case MSG_SMS_START_IR_RES:
+ complete(&coredev->ir_init_done);
+ break;
+ case MSG_SMS_IR_SAMPLES_IND:
+ sms_ir_event(coredev,
+ (const char *)
+ ((char *)phdr
+ + sizeof(struct SmsMsgHdr_ST)),
+ (int)phdr->msgLength
+ - sizeof(struct SmsMsgHdr_ST));
+ break;
+
default:
#if 0
sms_info("no client (%p) or error (%d), "
--
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