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path: root/drivers/media/dvb/firesat/avc_api.c
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Diffstat (limited to 'drivers/media/dvb/firesat/avc_api.c')
-rw-r--r--drivers/media/dvb/firesat/avc_api.c121
1 files changed, 47 insertions, 74 deletions
diff --git a/drivers/media/dvb/firesat/avc_api.c b/drivers/media/dvb/firesat/avc_api.c
index 3c8e7e3dacc..6337f9f21d0 100644
--- a/drivers/media/dvb/firesat/avc_api.c
+++ b/drivers/media/dvb/firesat/avc_api.c
@@ -1,9 +1,9 @@
/*
- * FireSAT AVC driver
+ * FireDTV driver (formerly known as FireSAT)
*
- * Copyright (c) 2004 Andreas Monitzer <andy@monitzer.com>
- * Copyright (c) 2008 Ben Backx <ben@bbackx.com>
- * Copyright (c) 2008 Henrik Kurelid <henrik@kurelid.se>
+ * Copyright (C) 2004 Andreas Monitzer <andy@monitzer.com>
+ * Copyright (C) 2008 Ben Backx <ben@bbackx.com>
+ * Copyright (C) 2008 Henrik Kurelid <henrik@kurelid.se>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
@@ -11,13 +11,20 @@
* the License, or (at your option) any later version.
*/
-#include "firesat.h"
+#include <linux/crc32.h>
+#include <linux/delay.h>
+#include <linux/kernel.h>
+#include <linux/moduleparam.h>
+#include <linux/mutex.h>
+#include <linux/wait.h>
+#include <linux/workqueue.h>
+#include <asm/atomic.h>
+
#include <ieee1394_transactions.h>
#include <nodemgr.h>
-#include <asm/byteorder.h>
-#include <linux/delay.h>
-#include <linux/crc32.h>
+
#include "avc_api.h"
+#include "firesat.h"
#include "firesat-rc.h"
#define RESPONSE_REGISTER 0xFFFFF0000D00ULL
@@ -28,8 +35,6 @@ static unsigned int avc_comm_debug = 0;
module_param(avc_comm_debug, int, 0644);
MODULE_PARM_DESC(avc_comm_debug, "debug logging level [0..2] of AV/C communication, default is 0 (no)");
-static int __AVCRegisterRemoteControl(struct firesat*firesat, int internal);
-
/* Frees an allocated packet */
static void avc_free_packet(struct hpsb_packet *packet)
{
@@ -232,67 +237,39 @@ static int __AVCWrite(struct firesat *firesat, const AVCCmdFrm *CmdFrm,
return 0;
}
-int AVCWrite(struct firesat*firesat, const AVCCmdFrm *CmdFrm, AVCRspFrm *RspFrm) {
+int AVCWrite(struct firesat*firesat, const AVCCmdFrm *CmdFrm, AVCRspFrm *RspFrm)
+{
int ret;
- if(down_interruptible(&firesat->avc_sem))
+
+ if (mutex_lock_interruptible(&firesat->avc_mutex))
return -EINTR;
ret = __AVCWrite(firesat, CmdFrm, RspFrm);
- up(&firesat->avc_sem);
+ mutex_unlock(&firesat->avc_mutex);
return ret;
}
-static void do_schedule_remotecontrol(unsigned long ignored);
-DECLARE_TASKLET(schedule_remotecontrol, do_schedule_remotecontrol, 0);
-
-static void do_schedule_remotecontrol(unsigned long ignored) {
- struct firesat *firesat;
- unsigned long flags;
-
- spin_lock_irqsave(&firesat_list_lock, flags);
- list_for_each_entry(firesat,&firesat_list,list) {
- if(atomic_read(&firesat->reschedule_remotecontrol) == 1) {
- if(down_trylock(&firesat->avc_sem))
- tasklet_schedule(&schedule_remotecontrol);
- else {
- if(__AVCRegisterRemoteControl(firesat, 1) == 0)
- atomic_set(&firesat->reschedule_remotecontrol, 0);
- else
- tasklet_schedule(&schedule_remotecontrol);
-
- up(&firesat->avc_sem);
- }
+int AVCRecv(struct firesat *firesat, u8 *data, size_t length)
+{
+ AVCRspFrm *RspFrm = (AVCRspFrm *)data;
+
+ if (length >= 8 &&
+ RspFrm->operand[0] == SFE_VENDOR_DE_COMPANYID_0 &&
+ RspFrm->operand[1] == SFE_VENDOR_DE_COMPANYID_1 &&
+ RspFrm->operand[2] == SFE_VENDOR_DE_COMPANYID_2 &&
+ RspFrm->operand[3] == SFE_VENDOR_OPCODE_REGISTER_REMOTE_CONTROL) {
+ if (RspFrm->resp == CHANGED) {
+ firesat_handle_rc(RspFrm->operand[4] << 8 |
+ RspFrm->operand[5]);
+ schedule_work(&firesat->remote_ctrl_work);
+ } else if (RspFrm->resp != INTERIM) {
+ printk(KERN_INFO "firedtv: remote control result = "
+ "%d\n", RspFrm->resp);
}
- }
- spin_unlock_irqrestore(&firesat_list_lock, flags);
-}
-
-int AVCRecv(struct firesat *firesat, u8 *data, size_t length) {
-// printk(KERN_INFO "%s\n",__func__);
-
- // remote control handling
-
-#if 0
- AVCRspFrm *RspFrm = (AVCRspFrm*)data;
-
- if(/*RspFrm->length >= 8 && ###*/
- ((RspFrm->operand[0] == SFE_VENDOR_DE_COMPANYID_0 &&
- RspFrm->operand[1] == SFE_VENDOR_DE_COMPANYID_1 &&
- RspFrm->operand[2] == SFE_VENDOR_DE_COMPANYID_2)) &&
- RspFrm->operand[3] == SFE_VENDOR_OPCODE_REGISTER_REMOTE_CONTROL) {
- if(RspFrm->resp == CHANGED) {
-// printk(KERN_INFO "%s: code = %02x %02x\n",__func__,RspFrm->operand[4],RspFrm->operand[5]);
- firesat_got_remotecontrolcode((((u16)RspFrm->operand[4]) << 8) | ((u16)RspFrm->operand[5]));
-
- // schedule
- atomic_set(&firesat->reschedule_remotecontrol, 1);
- tasklet_schedule(&schedule_remotecontrol);
- } else if(RspFrm->resp != INTERIM)
- printk(KERN_INFO "%s: remote control result = %d\n",__func__, RspFrm->resp);
return 0;
}
-#endif
+
if(atomic_read(&firesat->avc_reply_received) == 1) {
printk(KERN_ERR "%s: received out-of-order AVC response, "
"ignored\n",__func__);
@@ -718,7 +695,8 @@ int AVCTuner_GetTS(struct firesat *firesat){
return 0;
}
-int AVCIdentifySubunit(struct firesat *firesat, unsigned char *systemId, int *transport) {
+int AVCIdentifySubunit(struct firesat *firesat)
+{
AVCCmdFrm CmdFrm;
AVCRspFrm RspFrm;
@@ -752,8 +730,6 @@ int AVCIdentifySubunit(struct firesat *firesat, unsigned char *systemId, int *tr
printk(KERN_ERR "%s: Invalid response length\n", __func__);
return -EINVAL;
}
- if(systemId)
- *systemId = RspFrm.operand[7];
return 0;
}
@@ -901,7 +877,7 @@ int AVCSubUnitInfo(struct firesat *firesat, char *subunitcount)
return 0;
}
-static int __AVCRegisterRemoteControl(struct firesat*firesat, int internal)
+int AVCRegisterRemoteControl(struct firesat *firesat)
{
AVCCmdFrm CmdFrm;
@@ -922,19 +898,16 @@ static int __AVCRegisterRemoteControl(struct firesat*firesat, int internal)
CmdFrm.length = 8;
- if(internal) {
- if(__AVCWrite(firesat,&CmdFrm,NULL) < 0)
- return -EIO;
- } else
- if(AVCWrite(firesat,&CmdFrm,NULL) < 0)
- return -EIO;
-
- return 0;
+ return AVCWrite(firesat, &CmdFrm, NULL);
}
-int AVCRegisterRemoteControl(struct firesat*firesat)
+void avc_remote_ctrl_work(struct work_struct *work)
{
- return __AVCRegisterRemoteControl(firesat, 0);
+ struct firesat *firesat =
+ container_of(work, struct firesat, remote_ctrl_work);
+
+ /* Should it be rescheduled in failure cases? */
+ AVCRegisterRemoteControl(firesat);
}
int AVCTuner_Host2Ca(struct firesat *firesat)
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-03 23:22:54 +0000