1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Copyright (c) 2015, 2018, 2021 The Linux Foundation. All rights reserved.
4  * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
5  */
6 
7 
8 #ifndef __QCOM_CLK_ALPHA_PLL_H__
9 #define __QCOM_CLK_ALPHA_PLL_H__
10 
11 #include <linux/clk-provider.h>
12 #include "clk-regmap.h"
13 
14 /* Alpha PLL types */
15 enum {
16 	CLK_ALPHA_PLL_TYPE_DEFAULT,
17 	CLK_ALPHA_PLL_TYPE_HUAYRA,
18 	CLK_ALPHA_PLL_TYPE_HUAYRA_APSS,
19 	CLK_ALPHA_PLL_TYPE_HUAYRA_2290,
20 	CLK_ALPHA_PLL_TYPE_BRAMMO,
21 	CLK_ALPHA_PLL_TYPE_FABIA,
22 	CLK_ALPHA_PLL_TYPE_TRION,
23 	CLK_ALPHA_PLL_TYPE_LUCID = CLK_ALPHA_PLL_TYPE_TRION,
24 	CLK_ALPHA_PLL_TYPE_AGERA,
25 	CLK_ALPHA_PLL_TYPE_ZONDA,
26 	CLK_ALPHA_PLL_TYPE_REGERA = CLK_ALPHA_PLL_TYPE_ZONDA,
27 	CLK_ALPHA_PLL_TYPE_ZONDA_OLE,
28 	CLK_ALPHA_PLL_TYPE_LUCID_EVO,
29 	CLK_ALPHA_PLL_TYPE_LUCID_OLE,
30 	CLK_ALPHA_PLL_TYPE_RIVIAN_EVO,
31 	CLK_ALPHA_PLL_TYPE_DEFAULT_EVO,
32 	CLK_ALPHA_PLL_TYPE_BRAMMO_EVO,
33 	CLK_ALPHA_PLL_TYPE_STROMER,
34 	CLK_ALPHA_PLL_TYPE_STROMER_PLUS,
35 	CLK_ALPHA_PLL_TYPE_MAX,
36 };
37 
38 enum {
39 	PLL_OFF_L_VAL,
40 	PLL_OFF_CAL_L_VAL,
41 	PLL_OFF_ALPHA_VAL,
42 	PLL_OFF_ALPHA_VAL_U,
43 	PLL_OFF_USER_CTL,
44 	PLL_OFF_USER_CTL_U,
45 	PLL_OFF_USER_CTL_U1,
46 	PLL_OFF_CONFIG_CTL,
47 	PLL_OFF_CONFIG_CTL_U,
48 	PLL_OFF_CONFIG_CTL_U1,
49 	PLL_OFF_CONFIG_CTL_U2,
50 	PLL_OFF_TEST_CTL,
51 	PLL_OFF_TEST_CTL_U,
52 	PLL_OFF_TEST_CTL_U1,
53 	PLL_OFF_TEST_CTL_U2,
54 	PLL_OFF_STATE,
55 	PLL_OFF_STATUS,
56 	PLL_OFF_OPMODE,
57 	PLL_OFF_FRAC,
58 	PLL_OFF_CAL_VAL,
59 	PLL_OFF_MAX_REGS
60 };
61 
62 extern const u8 clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_MAX][PLL_OFF_MAX_REGS];
63 
64 struct pll_vco {
65 	unsigned long min_freq;
66 	unsigned long max_freq;
67 	u32 val;
68 };
69 
70 #define VCO(a, b, c) { \
71 	.val = a,\
72 	.min_freq = b,\
73 	.max_freq = c,\
74 }
75 
76 /**
77  * struct clk_alpha_pll - phase locked loop (PLL)
78  * @offset: base address of registers
79  * @regs: alpha pll register map (see @clk_alpha_pll_regs)
80  * @vco_table: array of VCO settings
81  * @num_vco: number of VCO settings in @vco_table
82  * @flags: bitmask to indicate features supported by the hardware
83  * @clkr: regmap clock handle
84  */
85 struct clk_alpha_pll {
86 	u32 offset;
87 	const u8 *regs;
88 
89 	const struct pll_vco *vco_table;
90 	size_t num_vco;
91 #define SUPPORTS_OFFLINE_REQ		BIT(0)
92 #define SUPPORTS_FSM_MODE		BIT(2)
93 #define SUPPORTS_DYNAMIC_UPDATE	BIT(3)
94 #define SUPPORTS_FSM_LEGACY_MODE	BIT(4)
95 	u8 flags;
96 
97 	struct clk_regmap clkr;
98 };
99 
100 /**
101  * struct clk_alpha_pll_postdiv - phase locked loop (PLL) post-divider
102  * @offset: base address of registers
103  * @regs: alpha pll register map (see @clk_alpha_pll_regs)
104  * @width: width of post-divider
105  * @post_div_shift: shift to differentiate between odd & even post-divider
106  * @post_div_table: table with PLL odd and even post-divider settings
107  * @num_post_div: Number of PLL post-divider settings
108  *
109  * @clkr: regmap clock handle
110  */
111 struct clk_alpha_pll_postdiv {
112 	u32 offset;
113 	u8 width;
114 	const u8 *regs;
115 
116 	struct clk_regmap clkr;
117 	int post_div_shift;
118 	const struct clk_div_table *post_div_table;
119 	size_t num_post_div;
120 };
121 
122 struct alpha_pll_config {
123 	u32 l;
124 	u32 alpha;
125 	u32 alpha_hi;
126 	u32 config_ctl_val;
127 	u32 config_ctl_hi_val;
128 	u32 config_ctl_hi1_val;
129 	u32 config_ctl_hi2_val;
130 	u32 user_ctl_val;
131 	u32 user_ctl_hi_val;
132 	u32 user_ctl_hi1_val;
133 	u32 test_ctl_val;
134 	u32 test_ctl_mask;
135 	u32 test_ctl_hi_val;
136 	u32 test_ctl_hi_mask;
137 	u32 test_ctl_hi1_val;
138 	u32 test_ctl_hi2_val;
139 	u32 main_output_mask;
140 	u32 aux_output_mask;
141 	u32 aux2_output_mask;
142 	u32 early_output_mask;
143 	u32 alpha_en_mask;
144 	u32 alpha_mode_mask;
145 	u32 pre_div_val;
146 	u32 pre_div_mask;
147 	u32 post_div_val;
148 	u32 post_div_mask;
149 	u32 vco_val;
150 	u32 vco_mask;
151 	u32 status_val;
152 	u32 status_mask;
153 	u32 lock_det;
154 };
155 
156 extern const struct clk_ops clk_alpha_pll_ops;
157 extern const struct clk_ops clk_alpha_pll_fixed_ops;
158 extern const struct clk_ops clk_alpha_pll_hwfsm_ops;
159 extern const struct clk_ops clk_alpha_pll_postdiv_ops;
160 extern const struct clk_ops clk_alpha_pll_huayra_ops;
161 extern const struct clk_ops clk_alpha_pll_postdiv_ro_ops;
162 extern const struct clk_ops clk_alpha_pll_stromer_ops;
163 extern const struct clk_ops clk_alpha_pll_stromer_plus_ops;
164 
165 extern const struct clk_ops clk_alpha_pll_fabia_ops;
166 extern const struct clk_ops clk_alpha_pll_fixed_fabia_ops;
167 extern const struct clk_ops clk_alpha_pll_postdiv_fabia_ops;
168 
169 extern const struct clk_ops clk_alpha_pll_trion_ops;
170 extern const struct clk_ops clk_alpha_pll_fixed_trion_ops;
171 extern const struct clk_ops clk_alpha_pll_postdiv_trion_ops;
172 
173 extern const struct clk_ops clk_alpha_pll_lucid_ops;
174 #define clk_alpha_pll_fixed_lucid_ops clk_alpha_pll_fixed_trion_ops
175 extern const struct clk_ops clk_alpha_pll_postdiv_lucid_ops;
176 extern const struct clk_ops clk_alpha_pll_agera_ops;
177 
178 extern const struct clk_ops clk_alpha_pll_lucid_5lpe_ops;
179 extern const struct clk_ops clk_alpha_pll_fixed_lucid_5lpe_ops;
180 extern const struct clk_ops clk_alpha_pll_postdiv_lucid_5lpe_ops;
181 
182 extern const struct clk_ops clk_alpha_pll_zonda_ops;
183 #define clk_alpha_pll_postdiv_zonda_ops clk_alpha_pll_postdiv_fabia_ops
184 #define clk_alpha_pll_zonda_ole_ops clk_alpha_pll_zonda_ops
185 
186 extern const struct clk_ops clk_alpha_pll_lucid_evo_ops;
187 extern const struct clk_ops clk_alpha_pll_reset_lucid_evo_ops;
188 #define clk_alpha_pll_reset_lucid_ole_ops clk_alpha_pll_reset_lucid_evo_ops
189 extern const struct clk_ops clk_alpha_pll_fixed_lucid_evo_ops;
190 #define clk_alpha_pll_fixed_lucid_ole_ops clk_alpha_pll_fixed_lucid_evo_ops
191 extern const struct clk_ops clk_alpha_pll_postdiv_lucid_evo_ops;
192 #define clk_alpha_pll_postdiv_lucid_ole_ops clk_alpha_pll_postdiv_lucid_evo_ops
193 
194 extern const struct clk_ops clk_alpha_pll_rivian_evo_ops;
195 #define clk_alpha_pll_postdiv_rivian_evo_ops clk_alpha_pll_postdiv_fabia_ops
196 
197 extern const struct clk_ops clk_alpha_pll_regera_ops;
198 
199 void clk_alpha_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
200 			     const struct alpha_pll_config *config);
201 void clk_huayra_2290_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
202 				   const struct alpha_pll_config *config);
203 void clk_fabia_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
204 				const struct alpha_pll_config *config);
205 void clk_trion_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
206 			     const struct alpha_pll_config *config);
207 void clk_agera_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
208 				const struct alpha_pll_config *config);
209 #define clk_lucid_pll_configure(pll, regmap, config) \
210 	clk_trion_pll_configure(pll, regmap, config)
211 
212 void clk_zonda_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
213 			     const struct alpha_pll_config *config);
214 void clk_lucid_5lpe_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
215 				  const struct alpha_pll_config *config);
216 void clk_lucid_evo_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
217 				 const struct alpha_pll_config *config);
218 void clk_lucid_ole_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
219 				 const struct alpha_pll_config *config);
220 void clk_rivian_evo_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
221 				  const struct alpha_pll_config *config);
222 void clk_stromer_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
223 			       const struct alpha_pll_config *config);
224 void clk_regera_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
225 			     const struct alpha_pll_config *config);
226 
227 #endif
228