1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright (c) 2015, 2018, The Linux Foundation. All rights reserved. */
3 
4 #ifndef __QCOM_CLK_ALPHA_PLL_H__
5 #define __QCOM_CLK_ALPHA_PLL_H__
6 
7 #include <linux/clk-provider.h>
8 #include "clk-regmap.h"
9 
10 /* Alpha PLL types */
11 enum {
12 	CLK_ALPHA_PLL_TYPE_DEFAULT,
13 	CLK_ALPHA_PLL_TYPE_HUAYRA,
14 	CLK_ALPHA_PLL_TYPE_BRAMMO,
15 	CLK_ALPHA_PLL_TYPE_FABIA,
16 	CLK_ALPHA_PLL_TYPE_TRION,
17 	CLK_ALPHA_PLL_TYPE_LUCID = CLK_ALPHA_PLL_TYPE_TRION,
18 	CLK_ALPHA_PLL_TYPE_AGERA,
19 	CLK_ALPHA_PLL_TYPE_ZONDA,
20 	CLK_ALPHA_PLL_TYPE_LUCID_EVO,
21 	CLK_ALPHA_PLL_TYPE_LUCID_OLE,
22 	CLK_ALPHA_PLL_TYPE_RIVIAN_EVO,
23 	CLK_ALPHA_PLL_TYPE_DEFAULT_EVO,
24 	CLK_ALPHA_PLL_TYPE_BRAMMO_EVO,
25 	CLK_ALPHA_PLL_TYPE_MAX,
26 };
27 
28 enum {
29 	PLL_OFF_L_VAL,
30 	PLL_OFF_CAL_L_VAL,
31 	PLL_OFF_ALPHA_VAL,
32 	PLL_OFF_ALPHA_VAL_U,
33 	PLL_OFF_USER_CTL,
34 	PLL_OFF_USER_CTL_U,
35 	PLL_OFF_USER_CTL_U1,
36 	PLL_OFF_CONFIG_CTL,
37 	PLL_OFF_CONFIG_CTL_U,
38 	PLL_OFF_CONFIG_CTL_U1,
39 	PLL_OFF_TEST_CTL,
40 	PLL_OFF_TEST_CTL_U,
41 	PLL_OFF_TEST_CTL_U1,
42 	PLL_OFF_TEST_CTL_U2,
43 	PLL_OFF_STATE,
44 	PLL_OFF_STATUS,
45 	PLL_OFF_OPMODE,
46 	PLL_OFF_FRAC,
47 	PLL_OFF_CAL_VAL,
48 	PLL_OFF_MAX_REGS
49 };
50 
51 extern const u8 clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_MAX][PLL_OFF_MAX_REGS];
52 
53 struct pll_vco {
54 	unsigned long min_freq;
55 	unsigned long max_freq;
56 	u32 val;
57 };
58 
59 #define VCO(a, b, c) { \
60 	.val = a,\
61 	.min_freq = b,\
62 	.max_freq = c,\
63 }
64 
65 /**
66  * struct clk_alpha_pll - phase locked loop (PLL)
67  * @offset: base address of registers
68  * @vco_table: array of VCO settings
69  * @regs: alpha pll register map (see @clk_alpha_pll_regs)
70  * @clkr: regmap clock handle
71  */
72 struct clk_alpha_pll {
73 	u32 offset;
74 	const u8 *regs;
75 
76 	const struct pll_vco *vco_table;
77 	size_t num_vco;
78 #define SUPPORTS_OFFLINE_REQ		BIT(0)
79 #define SUPPORTS_FSM_MODE		BIT(2)
80 #define SUPPORTS_DYNAMIC_UPDATE	BIT(3)
81 #define SUPPORTS_FSM_LEGACY_MODE	BIT(4)
82 	u8 flags;
83 
84 	struct clk_regmap clkr;
85 };
86 
87 /**
88  * struct clk_alpha_pll_postdiv - phase locked loop (PLL) post-divider
89  * @offset: base address of registers
90  * @regs: alpha pll register map (see @clk_alpha_pll_regs)
91  * @width: width of post-divider
92  * @post_div_shift: shift to differentiate between odd & even post-divider
93  * @post_div_table: table with PLL odd and even post-divider settings
94  * @num_post_div: Number of PLL post-divider settings
95  *
96  * @clkr: regmap clock handle
97  */
98 struct clk_alpha_pll_postdiv {
99 	u32 offset;
100 	u8 width;
101 	const u8 *regs;
102 
103 	struct clk_regmap clkr;
104 	int post_div_shift;
105 	const struct clk_div_table *post_div_table;
106 	size_t num_post_div;
107 };
108 
109 struct alpha_pll_config {
110 	u32 l;
111 	u32 alpha;
112 	u32 alpha_hi;
113 	u32 config_ctl_val;
114 	u32 config_ctl_hi_val;
115 	u32 config_ctl_hi1_val;
116 	u32 user_ctl_val;
117 	u32 user_ctl_hi_val;
118 	u32 user_ctl_hi1_val;
119 	u32 test_ctl_val;
120 	u32 test_ctl_hi_val;
121 	u32 test_ctl_hi1_val;
122 	u32 main_output_mask;
123 	u32 aux_output_mask;
124 	u32 aux2_output_mask;
125 	u32 early_output_mask;
126 	u32 alpha_en_mask;
127 	u32 alpha_mode_mask;
128 	u32 pre_div_val;
129 	u32 pre_div_mask;
130 	u32 post_div_val;
131 	u32 post_div_mask;
132 	u32 vco_val;
133 	u32 vco_mask;
134 };
135 
136 extern const struct clk_ops clk_alpha_pll_ops;
137 extern const struct clk_ops clk_alpha_pll_fixed_ops;
138 extern const struct clk_ops clk_alpha_pll_hwfsm_ops;
139 extern const struct clk_ops clk_alpha_pll_postdiv_ops;
140 extern const struct clk_ops clk_alpha_pll_huayra_ops;
141 extern const struct clk_ops clk_alpha_pll_postdiv_ro_ops;
142 
143 extern const struct clk_ops clk_alpha_pll_fabia_ops;
144 extern const struct clk_ops clk_alpha_pll_fixed_fabia_ops;
145 extern const struct clk_ops clk_alpha_pll_postdiv_fabia_ops;
146 
147 extern const struct clk_ops clk_alpha_pll_trion_ops;
148 extern const struct clk_ops clk_alpha_pll_fixed_trion_ops;
149 extern const struct clk_ops clk_alpha_pll_postdiv_trion_ops;
150 
151 extern const struct clk_ops clk_alpha_pll_lucid_ops;
152 #define clk_alpha_pll_fixed_lucid_ops clk_alpha_pll_fixed_trion_ops
153 extern const struct clk_ops clk_alpha_pll_postdiv_lucid_ops;
154 extern const struct clk_ops clk_alpha_pll_agera_ops;
155 
156 extern const struct clk_ops clk_alpha_pll_lucid_5lpe_ops;
157 extern const struct clk_ops clk_alpha_pll_fixed_lucid_5lpe_ops;
158 extern const struct clk_ops clk_alpha_pll_postdiv_lucid_5lpe_ops;
159 
160 extern const struct clk_ops clk_alpha_pll_zonda_ops;
161 #define clk_alpha_pll_postdiv_zonda_ops clk_alpha_pll_postdiv_fabia_ops
162 
163 extern const struct clk_ops clk_alpha_pll_lucid_evo_ops;
164 extern const struct clk_ops clk_alpha_pll_reset_lucid_evo_ops;
165 #define clk_alpha_pll_reset_lucid_ole_ops clk_alpha_pll_reset_lucid_evo_ops
166 extern const struct clk_ops clk_alpha_pll_fixed_lucid_evo_ops;
167 #define clk_alpha_pll_fixed_lucid_ole_ops clk_alpha_pll_fixed_lucid_evo_ops
168 extern const struct clk_ops clk_alpha_pll_postdiv_lucid_evo_ops;
169 #define clk_alpha_pll_postdiv_lucid_ole_ops clk_alpha_pll_postdiv_lucid_evo_ops
170 
171 extern const struct clk_ops clk_alpha_pll_rivian_evo_ops;
172 #define clk_alpha_pll_postdiv_rivian_evo_ops clk_alpha_pll_postdiv_fabia_ops
173 
174 void clk_alpha_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
175 			     const struct alpha_pll_config *config);
176 void clk_fabia_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
177 				const struct alpha_pll_config *config);
178 void clk_trion_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
179 			     const struct alpha_pll_config *config);
180 void clk_agera_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
181 				const struct alpha_pll_config *config);
182 #define clk_lucid_pll_configure(pll, regmap, config) \
183 	clk_trion_pll_configure(pll, regmap, config)
184 
185 void clk_zonda_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
186 			     const struct alpha_pll_config *config);
187 void clk_lucid_evo_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
188 				 const struct alpha_pll_config *config);
189 void clk_rivian_evo_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
190 				  const struct alpha_pll_config *config);
191 
192 #endif
193