^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) #ifndef __MACH_SUNXI_CLK_FACTORS_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) #define __MACH_SUNXI_CLK_FACTORS_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) #include <linux/clk-provider.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #include <linux/spinlock.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #define SUNXI_FACTORS_NOT_APPLICABLE (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) struct clk_factors_config {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) u8 nshift;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) u8 nwidth;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) u8 kshift;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) u8 kwidth;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) u8 mshift;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) u8 mwidth;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) u8 pshift;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) u8 pwidth;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) u8 n_start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) struct factors_request {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) unsigned long rate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) unsigned long parent_rate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) u8 parent_index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) u8 n;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) u8 k;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) u8 m;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) u8 p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) struct factors_data {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) int enable;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) int mux;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) int muxmask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) const struct clk_factors_config *table;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) void (*getter)(struct factors_request *req);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) void (*recalc)(struct factors_request *req);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) const char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) struct clk_factors {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) struct clk_hw hw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) void __iomem *reg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) const struct clk_factors_config *config;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) void (*get_factors)(struct factors_request *req);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) void (*recalc)(struct factors_request *req);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) spinlock_t *lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) /* for cleanup */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) struct clk_mux *mux;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) struct clk_gate *gate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) struct clk *sunxi_factors_register(struct device_node *node,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) const struct factors_data *data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) spinlock_t *lock,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) void __iomem *reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) struct clk *sunxi_factors_register_critical(struct device_node *node,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) const struct factors_data *data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) spinlock_t *lock,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) void __iomem *reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) void sunxi_factors_unregister(struct device_node *node, struct clk *clk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) #endif