/*- * Copyright (c) 2017 Emmanuel Vadot * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef __AW_CLK_H__ #define __AW_CLK_H__ /* Allwinner clocks formula : PLLs: (24MHz*N*K)/(M*P) (24MHz*N)/(M*P) (24MHz*N*2)/M (24MHz*N)/M (24MHz*N*K)/M (24MHz*N*K/2) (24MHz*N)/M (24MHz*N*K/2) (24MHz*N)/M Periph clocks: Clock Source/Divider N/Divider M Clock Source/Divider N/Divider M/2 Clock Source*N/(Divider M+1)/(Divider P+1) */ struct aw_clk_init { const char *name; const char *parent_name; uint64_t default_freq; bool enable; }; #define AW_CLK_HAS_GATE 0x0001 #define AW_CLK_HAS_LOCK 0x0002 #define AW_CLK_HAS_MUX 0x0004 #define AW_CLK_REPARENT 0x0008 #define AW_CLK_SCALE_CHANGE 0x0010 #define AW_CLK_HAS_UPDATE 0x0040 #define AW_CLK_HAS_PREDIV 0x0080 #define AW_CLK_SET_PARENT 0x0100 #define AW_CLK_FACTOR_POWER_OF_TWO 0x0001 #define AW_CLK_FACTOR_ZERO_BASED 0x0002 #define AW_CLK_FACTOR_HAS_COND 0x0004 #define AW_CLK_FACTOR_FIXED 0x0008 #define AW_CLK_FACTOR_ZERO_IS_ONE 0x0010 #define AW_CLK_FACTOR_MIN_VALUE 0x0020 #define AW_CLK_FACTOR_MAX_VALUE 0x0040 struct aw_clk_factor { uint32_t shift; /* Shift bits for the factor */ uint32_t mask; /* Mask to get the factor, will be override by the clk methods */ uint32_t width; /* Number of bits for the factor */ uint32_t value; /* Fixed value, depends on AW_CLK_FACTOR_FIXED */ uint32_t cond_shift; uint32_t cond_mask; uint32_t cond_width; uint32_t cond_value; uint32_t min_value; uint32_t max_value; uint32_t flags; /* Flags */ }; struct aw_clk_frac { uint64_t freq0; uint64_t freq1; uint32_t mode_sel; uint32_t freq_sel; }; static inline uint32_t aw_clk_get_factor(uint32_t val, struct aw_clk_factor *factor) { uint32_t factor_val; uint32_t cond; if (factor->flags & AW_CLK_FACTOR_HAS_COND) { cond = (val & factor->cond_mask) >> factor->cond_shift; if (cond != factor->cond_value) return (1); } if (factor->flags & AW_CLK_FACTOR_FIXED) return (factor->value); factor_val = (val & factor->mask) >> factor->shift; if (factor_val == 0 && (factor->flags & AW_CLK_FACTOR_ZERO_IS_ONE)) factor_val = 1; if (factor->flags & AW_CLK_FACTOR_POWER_OF_TWO) factor_val = 1 << factor_val; else if (!(factor->flags & AW_CLK_FACTOR_ZERO_BASED)) factor_val += 1; return (factor_val); } static inline uint32_t aw_clk_factor_get_max(struct aw_clk_factor *factor) { uint32_t max; if (factor->flags & AW_CLK_FACTOR_FIXED) max = factor->value; else if (factor->flags & AW_CLK_FACTOR_POWER_OF_TWO) max = 1 << ((1 << factor->width) - 1); else { max = (1 << factor->width); } return (max); } static inline uint32_t aw_clk_factor_get_min(struct aw_clk_factor *factor) { uint32_t min; if (factor->flags & AW_CLK_FACTOR_FIXED) min = factor->value; else if (factor->flags & AW_CLK_FACTOR_ZERO_BASED) min = 0; else if (factor->flags & AW_CLK_FACTOR_MIN_VALUE) min = factor->min_value; else min = 1; return (min); } static inline uint32_t aw_clk_factor_get_value(struct aw_clk_factor *factor, uint32_t raw) { uint32_t val; if (factor->flags & AW_CLK_FACTOR_FIXED) return (factor->value); if (factor->flags & AW_CLK_FACTOR_ZERO_BASED) val = raw; else if (factor->flags & AW_CLK_FACTOR_POWER_OF_TWO) { for (val = 0; raw != 1; val++) raw >>= 1; } else if (factor->flags & AW_CLK_FACTOR_MAX_VALUE) val = factor->max_value; else val = raw - 1; return (val); } #define CCU_RESET(idx, o, s) \ [idx] = { \ .offset = o, \ .shift = s, \ }, #define CCU_GATE(idx, clkname, pname, o, s) \ [idx] = { \ .name = clkname, \ .parent_name = pname, \ .offset = o, \ .shift = s, \ }, #define NKMP_CLK(_clkname, _id, _name, _pnames, \ _offset, \ _n_shift, _n_width, _n_value, _n_flags, \ _k_shift, _k_width, _k_value, _k_flags, \ _m_shift, _m_width, _m_value, _m_flags, \ _p_shift, _p_width, _p_value, _p_flags, \ _gate, \ _lock, _lock_retries, \ _flags) \ static struct aw_clk_nkmp_def _clkname = { \ .clkdef = { \ .id = _id, \ .name = _name, \ .parent_names = _pnames, \ .parent_cnt = nitems(_pnames), \ }, \ .offset = _offset, \ .n.shift = _n_shift, \ .n.width = _n_width, \ .n.value = _n_value, \ .n.flags = _n_flags, \ .k.shift = _k_shift, \ .k.width = _k_width, \ .k.value = _k_value, \ .k.flags = _k_flags, \ .m.shift = _m_shift, \ .m.width = _m_width, \ .m.value = _m_value, \ .m.flags = _m_flags, \ .p.shift = _p_shift, \ .p.width = _p_width, \ .p.value = _p_value, \ .p.flags = _p_flags, \ .gate_shift = _gate, \ .lock_shift = _lock, \ .lock_retries = _lock_retries, \ .flags = _flags, \ } #define NKMP_CLK_WITH_MUX(_clkname, \ _id, _name, _pnames, \ _offset, \ _n_shift, _n_width, _n_value, _n_flags, \ _k_shift, _k_width, _k_value, _k_flags, \ _m_shift, _m_width, _m_value, _m_flags, \ _p_shift, _p_width, _p_value, _p_flags, \ _mux_shift, _mux_width, _gate, \ _lock, _lock_retries, \ _flags) \ static struct aw_clk_nkmp_def _clkname = { \ .clkdef = { \ .id = _id, \ .name = _name, \ .parent_names = _pnames, \ .parent_cnt = nitems(_pnames), \ }, \ .offset = _offset, \ .n.shift = _n_shift, \ .n.width = _n_width, \ .n.value = _n_value, \ .n.flags = _n_flags, \ .k.shift = _k_shift, \ .k.width = _k_width, \ .k.value = _k_value, \ .k.flags = _k_flags, \ .m.shift = _m_shift, \ .m.width = _m_width, \ .m.value = _m_value, \ .m.flags = _m_flags, \ .p.shift = _p_shift, \ .p.width = _p_width, \ .p.value = _p_value, \ .p.flags = _p_flags, \ .mux_shift = _mux_shift, \ .mux_width = _mux_width, \ .gate_shift = _gate, \ .lock_shift = _lock, \ .lock_retries = _lock_retries, \ .flags = _flags, \ } #define NKMP_CLK_WITH_UPDATE(_clkname, \ _id, _name, _pnames, \ _offset, \ _n_shift, _n_width, _n_value, _n_flags, \ _k_shift, _k_width, _k_value, _k_flags, \ _m_shift, _m_width, _m_value, _m_flags, \ _p_shift, _p_width, _p_value, _p_flags, \ _gate, \ _lock, _lock_retries, \ _update, \ _flags) \ static struct aw_clk_nkmp_def _clkname = { \ .clkdef = { \ .id = _id, \ .name = _name, \ .parent_names = _pnames, \ .parent_cnt = nitems(_pnames), \ }, \ .offset = _offset, \ .n.shift = _n_shift, \ .n.width = _n_width, \ .n.value = _n_value, \ .n.flags = _n_flags, \ .k.shift = _k_shift, \ .k.width = _k_width, \ .k.value = _k_value, \ .k.flags = _k_flags, \ .m.shift = _m_shift, \ .m.width = _m_width, \ .m.value = _m_value, \ .m.flags = _m_flags, \ .p.shift = _p_shift, \ .p.width = _p_width, \ .p.value = _p_value, \ .p.flags = _p_flags, \ .gate_shift = _gate, \ .lock_shift = _lock, \ .lock_retries = _lock_retries, \ .update_shift = _update, \ .flags = _flags | AW_CLK_HAS_UPDATE, \ } #define FRAC_CLK(_clkname, _id, _name, _pnames, \ _offset, \ _nshift, _nwidth, _nvalue, _nflags, \ _mshift, _mwidth, _mvalue, _mflags, \ _gate_shift, _lock_shift,_lock_retries, \ _flags, _freq0, _freq1, _mode_sel, _freq_sel, \ _min_freq, _max_freq) \ static struct aw_clk_frac_def _clkname = { \ .clkdef = { \ .id = _id, \ .name = _name, \ .parent_names = _pnames, \ .parent_cnt = nitems(_pnames), \ .flags = CLK_NODE_GLITCH_FREE, \ }, \ .offset = _offset, \ .n.shift = _nshift, \ .n.width = _nwidth, \ .n.value = _nvalue, \ .n.flags = _nflags, \ .m.shift = _mshift, \ .m.width = _mwidth, \ .m.value = _mvalue, \ .m.flags = _mflags, \ .gate_shift = _gate_shift, \ .lock_shift = _lock_shift, \ .lock_retries = _lock_retries, \ .flags = _flags, \ .frac.freq0 = _freq0, \ .frac.freq1 = _freq1, \ .frac.mode_sel = _mode_sel, \ .frac.freq_sel = _freq_sel, \ .min_freq = _min_freq, \ .max_freq = _max_freq, \ } #define M_CLK(_clkname, _id, _name, _pnames, \ _offset, \ _mshift, _mwidth, _mvalue, _mflags, \ _mux_shift, _mux_width, \ _gate_shift, \ _flags) \ static struct aw_clk_m_def _clkname = { \ .clkdef = { \ .id = _id, \ .name = _name, \ .parent_names = _pnames, \ .parent_cnt = nitems(_pnames), \ }, \ .offset = _offset, \ .mux_shift = _mux_shift, \ .m.shift = _mshift, \ .m.width = _mwidth, \ .m.value = _mvalue, \ .m.flags = _mflags, \ .mux_width = _mux_width, \ .gate_shift = _gate_shift, \ .flags = _flags, \ } #define NM_CLK(_clkname, _id, _name, _pnames, \ _offset, \ _nshift, _nwidth, _nvalue, _nflags, \ _mshift, _mwidth, _mvalue, _mflags, \ _mux_shift, _mux_width, \ _gate_shift, \ _flags) \ static struct aw_clk_nm_def _clkname = { \ .clkdef = { \ .id = _id, \ .name = _name, \ .parent_names = _pnames, \ .parent_cnt = nitems(_pnames), \ }, \ .offset = _offset, \ .n.shift = _nshift, \ .n.width = _nwidth, \ .n.value = _nvalue, \ .n.flags = _nflags, \ .mux_shift = _mux_shift, \ .m.shift = _mshift, \ .m.width = _mwidth, \ .m.value = _mvalue, \ .m.flags = _mflags, \ .mux_width = _mux_width, \ .gate_shift = _gate_shift, \ .flags = _flags, \ } #define NMM_CLK(_clkname, _id, _name, _pnames, \ _offset, \ _nshift, _nwidth, _nvalue, _nflags, \ _m0shift, _m0width, _m0value, _m0flags, \ _m1shift, _m1width, _m1value, _m1flags, \ _gate_shift, \ _lock, _lock_retries, \ _flags) \ static struct aw_clk_nmm_def _clkname = { \ .clkdef = { \ .id = _id, \ .name = _name, \ .parent_names = _pnames, \ .parent_cnt = nitems(_pnames), \ }, \ .offset = _offset, \ .n.shift = _nshift, \ .n.width = _nwidth, \ .n.value = _nvalue, \ .n.flags = _nflags, \ .m0.shift = _m0shift, \ .m0.width = _m0width, \ .m0.value = _m0value, \ .m0.flags = _m0flags, \ .m1.shift = _m1shift, \ .m1.width = _m1width, \ .m1.value = _m1value, \ .m1.flags = _m1flags, \ .gate_shift = _gate_shift, \ .lock_shift = _lock, \ .lock_retries = _lock_retries, \ .flags = _flags, \ } #define NP_CLK(_clkname, _id, _name, _pnames, \ _offset, \ _nshift, _nwidth, _nvalue, _nflags, \ _pshift, _pwidth, _pvalue, _pflags, \ _gate_shift, \ _lock, _lock_retries, \ _flags) \ static struct aw_clk_np_def _clkname = { \ .clkdef = { \ .id = _id, \ .name = _name, \ .parent_names = _pnames, \ .parent_cnt = nitems(_pnames), \ }, \ .offset = _offset, \ .n.shift = _nshift, \ .n.width = _nwidth, \ .n.value = _nvalue, \ .n.flags = _nflags, \ .p.shift = _pshift, \ .p.width = _pwidth, \ .p.value = _pvalue, \ .p.flags = _pflags, \ .gate_shift = _gate_shift, \ .lock_shift = _lock, \ .lock_retries = _lock_retries, \ .flags = _flags, \ } #define PREDIV_CLK(_clkname, _id, _name, _pnames, \ _offset, \ _mux_shift, _mux_width, \ _div_shift, _div_width, _div_value, _div_flags, \ _prediv_shift, _prediv_width, _prediv_value, _prediv_flags, \ _prediv_cond_shift, _prediv_cond_width, _prediv_cond_value) \ static struct aw_clk_prediv_mux_def _clkname = { \ .clkdef = { \ .id = _id, \ .name = _name, \ .parent_names = _pnames, \ .parent_cnt = nitems(_pnames), \ }, \ .offset = _offset, \ .mux_shift = _mux_shift, \ .mux_width = _mux_width, \ .div.shift = _div_shift, \ .div.width = _div_width, \ .div.value = _div_value, \ .div.flags = _div_flags, \ .prediv.shift = _prediv_shift, \ .prediv.width = _prediv_width, \ .prediv.value = _prediv_value, \ .prediv.flags = _prediv_flags, \ .prediv.cond_shift = _prediv_cond_shift, \ .prediv.cond_width = _prediv_cond_width, \ .prediv.cond_value = _prediv_cond_value, \ } #define PREDIV_CLK_WITH_MASK(_clkname, _id, _name, _pnames, \ _offset, \ _mux_shift, _mux_width, \ _div_shift, _div_width, _div_value, _div_flags, \ _prediv_shift, _prediv_width, _prediv_value, _prediv_flags, \ _prediv_cond_mask, _prediv_cond_value) \ static struct aw_clk_prediv_mux_def _clkname = { \ .clkdef = { \ .id = _id, \ .name = _name, \ .parent_names = _pnames, \ .parent_cnt = nitems(_pnames), \ }, \ .offset = _offset, \ .mux_shift = _mux_shift, \ .mux_width = _mux_width, \ .div.shift = _div_shift, \ .div.width = _div_width, \ .div.value = _div_value, \ .div.flags = _div_flags, \ .prediv.shift = _prediv_shift, \ .prediv.width = _prediv_width, \ .prediv.value = _prediv_value, \ .prediv.flags = _prediv_flags, \ .prediv.cond_shift = 0, \ .prediv.cond_width = 0, \ .prediv.cond_mask = _prediv_cond_mask, \ .prediv.cond_value = _prediv_cond_value, \ } #define MIPI_CLK(_clkname, _id, _name, _pnames, \ _offset, \ _kshift, _kwidth, _kflags, _kmin, \ _mshift, _mwidth, \ _nshift, _nwidth, \ _gate_shift, _lock_shift) \ static struct aw_clk_mipi_def _clkname = { \ .clkdef = { \ .id = _id, \ .name = _name, \ .parent_names = _pnames, \ .parent_cnt = nitems(_pnames) \ }, \ .offset = _offset, \ .k.shift = _kshift, \ .k.width = _kwidth, \ .k.flags = _kflags, \ .k.min_value = _kmin, \ .m.shift = _mshift, \ .m.width = _mwidth, \ .n.shift = _nshift, \ .n.width = _nwidth, \ .gate_shift = _gate_shift, \ .lock_shift = _lock_shift, \ } #define MUX_CLK(_clkname, _id, _name, _pnames, \ _offset, _shift, _width) \ static struct clk_mux_def _clkname = { \ .clkdef = { \ .id = _id, \ .name = _name, \ .parent_names = _pnames, \ .parent_cnt = nitems(_pnames) \ }, \ .offset = _offset, \ .shift = _shift, \ .width = _width, \ } #define DIV_CLK(_clkname, _id, _name, _pnames, \ _offset, \ _i_shift, _i_width, \ _div_flags, _div_table) \ static struct clk_div_def _clkname = { \ .clkdef = { \ .id = _id, \ .name = _name, \ .parent_names = _pnames, \ .parent_cnt = nitems(_pnames) \ }, \ .offset = _offset, \ .i_shift = _i_shift, \ .i_width = _i_width, \ .div_flags = _div_flags, \ .div_table = _div_table, \ } #define FIXED_CLK(_clkname, _id, _name, _pnames, \ _freq, _mult, _div, _flags) \ static struct clk_fixed_def _clkname = { \ .clkdef = { \ .id = _id, \ .name = _name, \ .parent_names = _pnames, \ .parent_cnt = 1, \ }, \ .freq = _freq, \ .mult = _mult, \ .div = _div, \ .fixed_flags = _flags, \ } #endif /* __AW_CLK_H__ */