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Diffstat (limited to 'kernel/drivers/media/platform/s5p-mfc/s5p_mfc_opr.c')
-rw-r--r--kernel/drivers/media/platform/s5p-mfc/s5p_mfc_opr.c67
1 files changed, 67 insertions, 0 deletions
diff --git a/kernel/drivers/media/platform/s5p-mfc/s5p_mfc_opr.c b/kernel/drivers/media/platform/s5p-mfc/s5p_mfc_opr.c
new file mode 100644
index 000000000..00a1d8b2a
--- /dev/null
+++ b/kernel/drivers/media/platform/s5p-mfc/s5p_mfc_opr.c
@@ -0,0 +1,67 @@
+/*
+ * drivers/media/platform/s5p-mfc/s5p_mfc_opr.c
+ *
+ * Samsung MFC (Multi Function Codec - FIMV) driver
+ * This file contains hw related functions.
+ *
+ * Kamil Debski, Copyright (c) 2012 Samsung Electronics Co., Ltd.
+ * http://www.samsung.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.
+ */
+
+#include "s5p_mfc_debug.h"
+#include "s5p_mfc_opr.h"
+#include "s5p_mfc_opr_v5.h"
+#include "s5p_mfc_opr_v6.h"
+
+static struct s5p_mfc_hw_ops *s5p_mfc_ops;
+
+void s5p_mfc_init_hw_ops(struct s5p_mfc_dev *dev)
+{
+ if (IS_MFCV6_PLUS(dev)) {
+ s5p_mfc_ops = s5p_mfc_init_hw_ops_v6();
+ dev->warn_start = S5P_FIMV_ERR_WARNINGS_START_V6;
+ } else {
+ s5p_mfc_ops = s5p_mfc_init_hw_ops_v5();
+ dev->warn_start = S5P_FIMV_ERR_WARNINGS_START;
+ }
+ dev->mfc_ops = s5p_mfc_ops;
+}
+
+void s5p_mfc_init_regs(struct s5p_mfc_dev *dev)
+{
+ if (IS_MFCV6_PLUS(dev))
+ dev->mfc_regs = s5p_mfc_init_regs_v6_plus(dev);
+}
+
+int s5p_mfc_alloc_priv_buf(struct device *dev,
+ struct s5p_mfc_priv_buf *b)
+{
+
+ mfc_debug(3, "Allocating priv: %zu\n", b->size);
+
+ b->virt = dma_alloc_coherent(dev, b->size, &b->dma, GFP_KERNEL);
+
+ if (!b->virt) {
+ mfc_err("Allocating private buffer failed\n");
+ return -ENOMEM;
+ }
+
+ mfc_debug(3, "Allocated addr %p %pad\n", b->virt, &b->dma);
+ return 0;
+}
+
+void s5p_mfc_release_priv_buf(struct device *dev,
+ struct s5p_mfc_priv_buf *b)
+{
+ if (b->virt) {
+ dma_free_coherent(dev, b->size, b->virt, b->dma);
+ b->virt = NULL;
+ b->dma = 0;
+ b->size = 0;
+ }
+}
+