clk: mmp: add clock type mix

[cascardo/linux.git] / drivers / clk / mmp / clk.h

diff --git a/drivers/clk/mmp/clk.h b/drivers/clk/mmp/clk.h
index ab86dd4..26b2469 100644 (file)
--- a/drivers/clk/mmp/clk.h
+++ b/drivers/clk/mmp/clk.h
@@ -7,19 +7,102 @@
 #define APBC_NO_BUS_CTRL       BIT(0)
 #define APBC_POWER_CTRL                BIT(1)
 
-struct clk_factor_masks {
-       unsigned int    factor;
-       unsigned int    num_mask;
-       unsigned int    den_mask;
-       unsigned int    num_shift;
-       unsigned int    den_shift;
+
+/* Clock type "factor" */
+struct mmp_clk_factor_masks {
+       unsigned int factor;
+       unsigned int num_mask;
+       unsigned int den_mask;
+       unsigned int num_shift;
+       unsigned int den_shift;
 };
 
-struct clk_factor_tbl {
+struct mmp_clk_factor_tbl {
        unsigned int num;
        unsigned int den;
 };
 
+struct mmp_clk_factor {
+       struct clk_hw hw;
+       void __iomem *base;
+       struct mmp_clk_factor_masks *masks;
+       struct mmp_clk_factor_tbl *ftbl;
+       unsigned int ftbl_cnt;
+       spinlock_t *lock;
+};
+
+extern struct clk *mmp_clk_register_factor(const char *name,
+               const char *parent_name, unsigned long flags,
+               void __iomem *base, struct mmp_clk_factor_masks *masks,
+               struct mmp_clk_factor_tbl *ftbl, unsigned int ftbl_cnt,
+               spinlock_t *lock);
+
+/* Clock type "mix" */
+#define MMP_CLK_BITS_MASK(width, shift)                        \
+               (((1 << (width)) - 1) << (shift))
+#define MMP_CLK_BITS_GET_VAL(data, width, shift)       \
+               ((data & MMP_CLK_BITS_MASK(width, shift)) >> (shift))
+#define MMP_CLK_BITS_SET_VAL(val, width, shift)                \
+               (((val) << (shift)) & MMP_CLK_BITS_MASK(width, shift))
+
+enum {
+       MMP_CLK_MIX_TYPE_V1,
+       MMP_CLK_MIX_TYPE_V2,
+       MMP_CLK_MIX_TYPE_V3,
+};
+
+/* The register layout */
+struct mmp_clk_mix_reg_info {
+       void __iomem *reg_clk_ctrl;
+       void __iomem *reg_clk_sel;
+       u8 width_div;
+       u8 shift_div;
+       u8 width_mux;
+       u8 shift_mux;
+       u8 bit_fc;
+};
+
+/* The suggested clock table from user. */
+struct mmp_clk_mix_clk_table {
+       unsigned long rate;
+       u8 parent_index;
+       unsigned int divisor;
+       unsigned int valid;
+};
+
+struct mmp_clk_mix_config {
+       struct mmp_clk_mix_reg_info reg_info;
+       struct mmp_clk_mix_clk_table *table;
+       unsigned int table_size;
+       u32 *mux_table;
+       struct clk_div_table *div_table;
+       u8 div_flags;
+       u8 mux_flags;
+};
+
+struct mmp_clk_mix {
+       struct clk_hw hw;
+       struct mmp_clk_mix_reg_info reg_info;
+       struct mmp_clk_mix_clk_table *table;
+       u32 *mux_table;
+       struct clk_div_table *div_table;
+       unsigned int table_size;
+       u8 div_flags;
+       u8 mux_flags;
+       unsigned int type;
+       spinlock_t *lock;
+};
+
+extern const struct clk_ops mmp_clk_mix_ops;
+extern struct clk *mmp_clk_register_mix(struct device *dev,
+                                       const char *name,
+                                       u8 num_parents,
+                                       const char **parent_names,
+                                       unsigned long flags,
+                                       struct mmp_clk_mix_config *config,
+                                       spinlock_t *lock);
+
+
 extern struct clk *mmp_clk_register_pll2(const char *name,
                const char *parent_name, unsigned long flags);
 extern struct clk *mmp_clk_register_apbc(const char *name,
@@ -28,8 +111,4 @@ extern struct clk *mmp_clk_register_apbc(const char *name,
 extern struct clk *mmp_clk_register_apmu(const char *name,
                const char *parent_name, void __iomem *base, u32 enable_mask,
                spinlock_t *lock);
-extern struct clk *mmp_clk_register_factor(const char *name,
-               const char *parent_name, unsigned long flags,
-               void __iomem *base, struct clk_factor_masks *masks,
-               struct clk_factor_tbl *ftbl, unsigned int ftbl_cnt);
 #endif