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-rw-r--r--drivers/clk/sunxi-ng/ccu_div.h133
1 files changed, 133 insertions, 0 deletions
diff --git a/drivers/clk/sunxi-ng/ccu_div.h b/drivers/clk/sunxi-ng/ccu_div.h
new file mode 100644
index 000000000..653ade576
--- /dev/null
+++ b/drivers/clk/sunxi-ng/ccu_div.h
@@ -0,0 +1,133 @@
+/*
+ * Copyright (c) 2016 Maxime Ripard. All rights reserved.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * 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.
+ */
+
+#ifndef _CCU_DIV_H_
+#define _CCU_DIV_H_
+
+#include <linux/clk-provider.h>
+
+#include "ccu_common.h"
+#include "ccu_mux.h"
+
+struct _ccu_div {
+ u8 shift;
+ u8 width;
+
+ u32 flags;
+
+ struct clk_div_table *table;
+};
+
+#define _SUNXI_CCU_DIV_TABLE_FLAGS(_shift, _width, _table, _flags) \
+ { \
+ .shift = _shift, \
+ .width = _width, \
+ .flags = _flags, \
+ .table = _table, \
+ }
+
+#define _SUNXI_CCU_DIV_FLAGS(_shift, _width, _flags) \
+ _SUNXI_CCU_DIV_TABLE_FLAGS(_shift, _width, NULL, _flags)
+
+#define _SUNXI_CCU_DIV_TABLE(_shift, _width, _table) \
+ _SUNXI_CCU_DIV_TABLE_FLAGS(_shift, _width, _table, 0)
+
+#define _SUNXI_CCU_DIV(_shift, _width) \
+ _SUNXI_CCU_DIV_TABLE_FLAGS(_shift, _width, NULL, 0)
+
+struct ccu_div {
+ u32 enable;
+
+ struct _ccu_div div;
+ struct ccu_mux_internal mux;
+ struct ccu_common common;
+};
+
+#define SUNXI_CCU_DIV_TABLE_WITH_GATE(_struct, _name, _parent, _reg, \
+ _shift, _width, \
+ _table, _gate, _flags) \
+ struct ccu_div _struct = { \
+ .div = _SUNXI_CCU_DIV_TABLE(_shift, _width, \
+ _table), \
+ .enable = _gate, \
+ .common = { \
+ .reg = _reg, \
+ .hw.init = CLK_HW_INIT(_name, \
+ _parent, \
+ &ccu_div_ops, \
+ _flags), \
+ } \
+ }
+
+
+#define SUNXI_CCU_DIV_TABLE(_struct, _name, _parent, _reg, \
+ _shift, _width, \
+ _table, _flags) \
+ SUNXI_CCU_DIV_TABLE_WITH_GATE(_struct, _name, _parent, _reg, \
+ _shift, _width, _table, 0, \
+ _flags)
+
+#define SUNXI_CCU_M_WITH_MUX_GATE(_struct, _name, _parents, _reg, \
+ _mshift, _mwidth, _muxshift, _muxwidth, \
+ _gate, _flags) \
+ struct ccu_div _struct = { \
+ .enable = _gate, \
+ .div = _SUNXI_CCU_DIV(_mshift, _mwidth), \
+ .mux = SUNXI_CLK_MUX(_muxshift, _muxwidth), \
+ .common = { \
+ .reg = _reg, \
+ .hw.init = CLK_HW_INIT_PARENTS(_name, \
+ _parents, \
+ &ccu_div_ops, \
+ _flags), \
+ }, \
+ }
+
+#define SUNXI_CCU_M_WITH_MUX(_struct, _name, _parents, _reg, \
+ _mshift, _mwidth, _muxshift, _muxwidth, \
+ _flags) \
+ SUNXI_CCU_M_WITH_MUX_GATE(_struct, _name, _parents, _reg, \
+ _mshift, _mwidth, _muxshift, _muxwidth, \
+ 0, _flags)
+
+
+#define SUNXI_CCU_M_WITH_GATE(_struct, _name, _parent, _reg, \
+ _mshift, _mwidth, _gate, \
+ _flags) \
+ struct ccu_div _struct = { \
+ .enable = _gate, \
+ .div = _SUNXI_CCU_DIV(_mshift, _mwidth), \
+ .common = { \
+ .reg = _reg, \
+ .hw.init = CLK_HW_INIT(_name, \
+ _parent, \
+ &ccu_div_ops, \
+ _flags), \
+ }, \
+ }
+
+#define SUNXI_CCU_M(_struct, _name, _parent, _reg, _mshift, _mwidth, \
+ _flags) \
+ SUNXI_CCU_M_WITH_GATE(_struct, _name, _parent, _reg, \
+ _mshift, _mwidth, 0, _flags)
+
+static inline struct ccu_div *hw_to_ccu_div(struct clk_hw *hw)
+{
+ struct ccu_common *common = hw_to_ccu_common(hw);
+
+ return container_of(common, struct ccu_div, common);
+}
+
+extern const struct clk_ops ccu_div_ops;
+
+#endif /* _CCU_DIV_H_ */