681c739944
This is a new implementation for video pipeline control within the pvrusb2 driver. Actual start/stop of the pipeline is moved to the driver's kernel thread. Pipeline stages are controlled autonomously based on surrounding pipeline or application control state. Kernel thread management is also cleaned up and moved into the internal control structure of the driver, solving a set up / tear down race along the way. Better failure recovery is implemented with this new control strategy. Also with this change comes better control of the cx23416 encoder, building on additional information learned about the peculiarities of controlling this part (this information was the original trigger for this rework). With this change, overall encoder stability should be considerably improved. Yes, this is a large change for this driver, but due to the nature of the feature being worked on, the changes are fairly pervasive and would be difficult to break into smaller pieces with any semblence of step-wise stability. Signed-off-by: Mike Isely <isely@pobox.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
69 lines
3.2 KiB
C
69 lines
3.2 KiB
C
/*
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* $Id$
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*
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* Copyright (C) 2005 Mike Isely <isely@pobox.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#ifndef __PVRUSB2_DEBUG_H
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#define __PVRUSB2_DEBUG_H
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extern int pvrusb2_debug;
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#define pvr2_trace(msk, fmt, arg...) do {if(msk & pvrusb2_debug) printk(KERN_INFO "pvrusb2: " fmt "\n", ##arg); } while (0)
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/* These are listed in *rough* order of decreasing usefulness and
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increasing noise level. */
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#define PVR2_TRACE_INFO (1 << 0) /* Normal messages */
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#define PVR2_TRACE_ERROR_LEGS (1 << 1) /* error messages */
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#define PVR2_TRACE_TOLERANCE (1 << 2) /* track tolerance-affected errors */
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#define PVR2_TRACE_TRAP (1 << 3) /* Trap & report app misbehavior */
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#define PVR2_TRACE_STD (1 << 4) /* Log video standard stuff */
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#define PVR2_TRACE_INIT (1 << 5) /* misc initialization steps */
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#define PVR2_TRACE_START_STOP (1 << 6) /* Streaming start / stop */
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#define PVR2_TRACE_CTL (1 << 7) /* commit of control changes */
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#define PVR2_TRACE_STATE (1 << 8) /* Device state changes */
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#define PVR2_TRACE_STBITS (1 << 9) /* Individual bit state changes */
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#define PVR2_TRACE_EEPROM (1 << 10) /* eeprom parsing / report */
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#define PVR2_TRACE_STRUCT (1 << 11) /* internal struct creation */
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#define PVR2_TRACE_OPEN_CLOSE (1 << 12) /* application open / close */
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#define PVR2_TRACE_CREG (1 << 13) /* Main critical region entry / exit */
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#define PVR2_TRACE_SYSFS (1 << 14) /* Sysfs driven I/O */
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#define PVR2_TRACE_FIRMWARE (1 << 15) /* firmware upload actions */
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#define PVR2_TRACE_CHIPS (1 << 16) /* chip broadcast operation */
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#define PVR2_TRACE_I2C (1 << 17) /* I2C related stuff */
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#define PVR2_TRACE_I2C_CMD (1 << 18) /* Software commands to I2C modules */
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#define PVR2_TRACE_I2C_CORE (1 << 19) /* I2C core debugging */
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#define PVR2_TRACE_I2C_TRAF (1 << 20) /* I2C traffic through the adapter */
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#define PVR2_TRACE_V4LIOCTL (1 << 21) /* v4l ioctl details */
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#define PVR2_TRACE_ENCODER (1 << 22) /* mpeg2 encoder operation */
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#define PVR2_TRACE_BUF_POOL (1 << 23) /* Track buffer pool management */
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#define PVR2_TRACE_BUF_FLOW (1 << 24) /* Track buffer flow in system */
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#define PVR2_TRACE_DATA_FLOW (1 << 25) /* Track data flow */
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#define PVR2_TRACE_DEBUGIFC (1 << 26) /* Debug interface actions */
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#define PVR2_TRACE_GPIO (1 << 27) /* GPIO state bit changes */
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#endif /* __PVRUSB2_HDW_INTERNAL_H */
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/*
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Stuff for Emacs to see, in order to encourage consistent editing style:
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*** Local Variables: ***
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*** mode: c ***
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*** fill-column: 75 ***
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*** tab-width: 8 ***
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*** c-basic-offset: 8 ***
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*** End: ***
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*/
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