diff options
Diffstat (limited to 'drivers/mxc/amd-gpu/include/gsl_driver.h')
| -rw-r--r-- | drivers/mxc/amd-gpu/include/gsl_driver.h | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/drivers/mxc/amd-gpu/include/gsl_driver.h b/drivers/mxc/amd-gpu/include/gsl_driver.h new file mode 100644 index 000000000000..1e1d43da431d --- /dev/null +++ b/drivers/mxc/amd-gpu/include/gsl_driver.h @@ -0,0 +1,105 @@ +/* Copyright (c) 2008-2010, Advanced Micro Devices. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of Advanced Micro Devices nor + * the names of its contributors may be used to endorse or promote + * products derived from this software without specific prior written + * permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + */ + +#ifndef __GSL_DRIVER_H +#define __GSL_DRIVER_H + + +///////////////////////////////////////////////////////////////////////////// +// macros +////////////////////////////////////////////////////////////////////////////// +#ifdef GSL_DEDICATED_PROCESS +#define GSL_CALLER_PROCESSID_GET() kos_callerprocess_getid() +#else +#define GSL_CALLER_PROCESSID_GET() kos_process_getid() +#endif // GSL_DEDICATED_PROCESS + +#ifdef GSL_LOCKING_COURSEGRAIN +#define GSL_API_MUTEX_CREATE() gsl_driver.mutex = kos_mutex_create("gsl_global"); \ + if (!gsl_driver.mutex) {return (GSL_FAILURE);} +#define GSL_API_MUTEX_LOCK() kos_mutex_lock(gsl_driver.mutex) +#define GSL_API_MUTEX_UNLOCK() kos_mutex_unlock(gsl_driver.mutex) +#define GSL_API_MUTEX_FREE() kos_mutex_free(gsl_driver.mutex); gsl_driver.mutex = 0; +#else +#define GSL_API_MUTEX_CREATE() +#define GSL_API_MUTEX_LOCK() +#define GSL_API_MUTEX_UNLOCK() +#define GSL_API_MUTEX_FREE() +#endif + + +////////////////////////////////////////////////////////////////////////////// +// types +////////////////////////////////////////////////////////////////////////////// + +// ------------- +// driver object +// ------------- +typedef struct _gsl_driver_t { + gsl_flags_t flags_debug; + int refcnt; + unsigned int callerprocess[GSL_CALLER_PROCESS_MAX]; // caller process table + oshandle_t mutex; // global API mutex + void *hal; + gsl_sharedmem_t shmem; + gsl_device_t device[GSL_DEVICE_MAX]; + int dmi_state; // OS_TRUE = enabled, OS_FALSE otherwise + gsl_flags_t dmi_mode; // single, double, or triple buffering + int dmi_frame; // set to -1 when DMI is enabled + int dmi_max_frame; // indicates the maximum frame # that we will support +} gsl_driver_t; + + +////////////////////////////////////////////////////////////////////////////// +// external variable declarations +////////////////////////////////////////////////////////////////////////////// +extern gsl_driver_t gsl_driver; + + +////////////////////////////////////////////////////////////////////////////// +// inline functions +////////////////////////////////////////////////////////////////////////////// +OSINLINE int +kgsl_driver_getcallerprocessindex(unsigned int pid, int *index) +{ + int i; + + // obtain index in caller process table + for (i = 0; i < GSL_CALLER_PROCESS_MAX; i++) + { + if (gsl_driver.callerprocess[i] == pid) + { + *index = i; + return (GSL_SUCCESS); + } + } + + return (GSL_FAILURE); +} + +#endif // __GSL_DRIVER_H |