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facetimehd: add sysfs functions

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Introduce a new debug sysfs file, which accepts the following commands:

ps - show task running in firmware
banner - show startup banner
get_root - get ROOT object
heap - show heap statistics
irq - show irq statistics
semaphore - show semaphore status
wiring - show wiring status
get_object_by_name %s - get address for object
get_fsm_by_name %s - get address for FSM
dump_object %p - show information about object
dump_objects - dump all objects (NOTE: will crash firmware)
show_objects - show graph about all objects known
get_debug_level - get debug level for object
set_debug_level - set debug level for object
set_debug_level_rec - set debug level recursive for all objects
get_fsm_count - get count of FSM's
get_fsm_by_index - get fsm address for index
get_fsm_debug_level - get debug level for fsm
set_fsm_debug_level - set debug level for fsm
This commit is contained in:
Sven Schnelle
2015-11-30 11:51:39 +01:00
parent 59c279a5f3
commit 5608b8b00f
4 changed files with 165 additions and 2 deletions
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13
fthd_drv.c
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@@ -34,6 +34,7 @@
#include "fthd_ringbuf.h"
#include "fthd_buffer.h"
#include "fthd_v4l2.h"
#include "fthd_sysfs.h"
static int fthd_pci_reserve_mem(struct fthd_private *dev_priv)
{
@@ -207,8 +208,11 @@ static void fthd_handle_irq(struct fthd_private *dev_priv, struct fw_channel *ch
return;
}
if (chan == dev_priv->channel_debug)
if (chan == dev_priv->channel_debug) {
pr_debug("DEBUG channel ready\n");
wake_up_interruptible(&chan->wq);
return;
}
while((entry = fthd_channel_ringbuf_receive(dev_priv, chan)) != (u32)-1) {
pr_debug("channel %s: message available, address %08x\n", chan->name, FTHD_S2_MEM_READ(entry + FTHD_RINGBUF_ADDRESS_FLAGS));
@@ -330,6 +334,8 @@ static void fthd_pci_remove(struct pci_dev *pdev)
if (!dev_priv)
goto out;
fthd_sysfs_exit(dev_priv);
fthd_v4l2_unregister(dev_priv);
fthd_stop_firmware(dev_priv);
@@ -485,7 +491,12 @@ static int fthd_pci_probe(struct pci_dev *pdev,
if (ret)
goto fail_firmware;
ret = fthd_sysfs_init(dev_priv);
if (ret)
goto fail_v4l2;
return 0;
fail_v4l2:
fthd_v4l2_unregister(dev_priv);
fail_firmware:
fthd_stop_firmware(dev_priv);
fail_hw: