drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_linux.h

   1 /****************************************************************************
   2 *
   3 *    Copyright (C) 2005 - 2011 by Vivante Corp.
   4 *
   5 *    This program is free software; you can redistribute it and/or modify
   6 *    it under the terms of the GNU General Public License as published by
   7 *    the Free Software Foundation; either version 2 of the license, or
   8 *    (at your option) any later version.
   9 *
  10 *    This program is distributed in the hope that it will be useful,
  11 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13 *    GNU General Public License for more details.
  14 *
  15 *    You should have received a copy of the GNU General Public License
  16 *    along with this program; if not write to the Free Software
  17 *    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18 *
  19 *****************************************************************************/
  20
  21
  22
  23
  24 #ifndef __gc_hal_kernel_linux_h_
  25 #define __gc_hal_kernel_linux_h_
  26
  27 #include <linux/version.h>
  28 #include <linux/init.h>
  29 #include <linux/module.h>
  30 #include <linux/fs.h>
  31 #include <linux/mm.h>
  32 #include <linux/sched.h>
  33 #include <linux/signal.h>
  34 #ifdef FLAREON
  35 #   include <asm/arch-realview/dove_gpio_irq.h>
  36 #endif
  37 #include <linux/interrupt.h>
  38 #include <linux/vmalloc.h>
  39 #include <linux/dma-mapping.h>
  40 #include <linux/kthread.h>
  41
  42 #ifdef MODVERSIONS
  43 #  include <linux/modversions.h>
  44 #endif
  45 #include <asm/io.h>
  46 #include <asm/uaccess.h>
  47
  48 #if ENABLE_GPU_CLOCK_BY_DRIVER && LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28)
  49 #include <linux/clk.h>
  50 #endif
  51
  52 #define NTSTRSAFE_NO_CCH_FUNCTIONS
  53 #include "gc_hal.h"
  54 #include "gc_hal_driver.h"
  55 #include "gc_hal_kernel.h"
  56 #include "gc_hal_kernel_device.h"
  57 #include "gc_hal_kernel_os.h"
  58
  59 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,31)
  60 #define FIND_TASK_BY_PID(x) pid_task(find_vpid(x), PIDTYPE_PID)
  61 #elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
  62 #define FIND_TASK_BY_PID(x) find_task_by_vpid(x)
  63 #else
  64 #define FIND_TASK_BY_PID(x) find_task_by_pid(x)
  65 #endif
  66
  67 #define _WIDE(string)                           L##string
  68 #define WIDE(string)                            _WIDE(string)
  69
  70 #define countof(a)                                      (sizeof(a) / sizeof(a[0]))
  71
  72 #define DRV_NAME                                "galcore"
  73
  74 #define GetPageCount(size, offset)      ((((size) + ((offset) & ~PAGE_CACHE_MASK)) + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT)
  75
  76 static inline gctINT
  77 GetOrder(
  78         IN gctINT numPages
  79         )
  80 {
  81     gctINT order = 0;
  82
  83         while ((1 << order) <  numPages) order++;
  84
  85         return order;
  86 }
  87
  88 #endif /* __gc_hal_kernel_linux_h_ */