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Diffstat (limited to 'drivers/staging/media/atomisp/pci/atomisp2/include/hmm/hmm_common.h')
-rw-r--r--drivers/staging/media/atomisp/pci/atomisp2/include/hmm/hmm_common.h100
1 files changed, 100 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/include/hmm/hmm_common.h b/drivers/staging/media/atomisp/pci/atomisp2/include/hmm/hmm_common.h
new file mode 100644
index 0000000..f1593aa
--- /dev/null
+++ b/drivers/staging/media/atomisp/pci/atomisp2/include/hmm/hmm_common.h
@@ -0,0 +1,100 @@
+/*
+ * Support for Medifield PNW Camera Imaging ISP subsystem.
+ *
+ * Copyright (c) 2010 Intel Corporation. All Rights Reserved.
+ *
+ * Copyright (c) 2010 Silicon Hive www.siliconhive.com.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ */
+
+#ifndef __HMM_BO_COMMON_H__
+#define __HMM_BO_COMMON_H__
+
+#define HMM_BO_NAME "HMM"
+
+/*
+ * some common use micros
+ */
+#define var_equal_return(var1, var2, exp, fmt, arg ...) \
+ do { \
+ if ((var1) == (var2)) { \
+ dev_err(atomisp_dev, \
+ fmt, ## arg); \
+ return exp;\
+ } \
+ } while (0)
+
+#define var_equal_return_void(var1, var2, fmt, arg ...) \
+ do { \
+ if ((var1) == (var2)) { \
+ dev_err(atomisp_dev, \
+ fmt, ## arg); \
+ return;\
+ } \
+ } while (0)
+
+#define var_equal_goto(var1, var2, label, fmt, arg ...) \
+ do { \
+ if ((var1) == (var2)) { \
+ dev_err(atomisp_dev, \
+ fmt, ## arg); \
+ goto label;\
+ } \
+ } while (0)
+
+#define var_not_equal_goto(var1, var2, label, fmt, arg ...) \
+ do { \
+ if ((var1) != (var2)) { \
+ dev_err(atomisp_dev, \
+ fmt, ## arg); \
+ goto label;\
+ } \
+ } while (0)
+
+#define check_null_return(ptr, exp, fmt, arg ...) \
+ var_equal_return(ptr, NULL, exp, fmt, ## arg)
+
+#define check_null_return_void(ptr, fmt, arg ...) \
+ var_equal_return_void(ptr, NULL, fmt, ## arg)
+
+/* hmm_mem_stat is used to trace the hmm mem used by ISP pipe. The unit is page
+ * number.
+ *
+ * res_size: reserved mem pool size, being allocated from system at system boot time.
+ * res_size >= res_cnt.
+ * sys_size: system mem pool size, being allocated from system at camera running time.
+ * dyc_size: dynamic mem pool size.
+ * dyc_thr: dynamic mem pool high watermark.
+ * dyc_size <= dyc_thr.
+ * usr_size: user ptr mem size.
+ *
+ * res_cnt: track the mem allocated from reserved pool at camera running time.
+ * tol_cnt: track the total mem used by ISP pipe at camera running time.
+ */
+struct _hmm_mem_stat {
+ int res_size;
+ int sys_size;
+ int dyc_size;
+ int dyc_thr;
+ int usr_size;
+ int res_cnt;
+ int tol_cnt;
+};
+
+extern struct _hmm_mem_stat hmm_mem_stat;
+
+#endif
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