xref: /openbmc/linux/drivers/mfd/sec-irq.c (revision 861e10be)
1 /*
2  * sec-irq.c
3  *
4  * Copyright (c) 2011 Samsung Electronics Co., Ltd
5  *              http://www.samsung.com
6  *
7  *  This program is free software; you can redistribute  it and/or modify it
8  *  under  the terms of  the GNU General  Public License as published by the
9  *  Free Software Foundation;  either version 2 of the  License, or (at your
10  *  option) any later version.
11  *
12  */
13 
14 #include <linux/device.h>
15 #include <linux/interrupt.h>
16 #include <linux/irq.h>
17 #include <linux/regmap.h>
18 
19 #include <linux/mfd/samsung/core.h>
20 #include <linux/mfd/samsung/irq.h>
21 #include <linux/mfd/samsung/s2mps11.h>
22 #include <linux/mfd/samsung/s5m8763.h>
23 #include <linux/mfd/samsung/s5m8767.h>
24 
25 static struct regmap_irq s2mps11_irqs[] = {
26 	[S2MPS11_IRQ_PWRONF] = {
27 		.reg_offset = 0,
28 		.mask = S2MPS11_IRQ_PWRONF_MASK,
29 	},
30 	[S2MPS11_IRQ_PWRONR] = {
31 		.reg_offset = 0,
32 		.mask = S2MPS11_IRQ_PWRONR_MASK,
33 	},
34 	[S2MPS11_IRQ_JIGONBF] = {
35 		.reg_offset = 0,
36 		.mask = S2MPS11_IRQ_JIGONBF_MASK,
37 	},
38 	[S2MPS11_IRQ_JIGONBR] = {
39 		.reg_offset = 0,
40 		.mask = S2MPS11_IRQ_JIGONBR_MASK,
41 	},
42 	[S2MPS11_IRQ_ACOKBF] = {
43 		.reg_offset = 0,
44 		.mask = S2MPS11_IRQ_ACOKBF_MASK,
45 	},
46 	[S2MPS11_IRQ_ACOKBR] = {
47 		.reg_offset = 0,
48 		.mask = S2MPS11_IRQ_ACOKBR_MASK,
49 	},
50 	[S2MPS11_IRQ_PWRON1S] = {
51 		.reg_offset = 0,
52 		.mask = S2MPS11_IRQ_PWRON1S_MASK,
53 	},
54 	[S2MPS11_IRQ_MRB] = {
55 		.reg_offset = 0,
56 		.mask = S2MPS11_IRQ_MRB_MASK,
57 	},
58 	[S2MPS11_IRQ_RTC60S] = {
59 		.reg_offset = 1,
60 		.mask = S2MPS11_IRQ_RTC60S_MASK,
61 	},
62 	[S2MPS11_IRQ_RTCA1] = {
63 		.reg_offset = 1,
64 		.mask = S2MPS11_IRQ_RTCA1_MASK,
65 	},
66 	[S2MPS11_IRQ_RTCA2] = {
67 		.reg_offset = 1,
68 		.mask = S2MPS11_IRQ_RTCA2_MASK,
69 	},
70 	[S2MPS11_IRQ_SMPL] = {
71 		.reg_offset = 1,
72 		.mask = S2MPS11_IRQ_SMPL_MASK,
73 	},
74 	[S2MPS11_IRQ_RTC1S] = {
75 		.reg_offset = 1,
76 		.mask = S2MPS11_IRQ_RTC1S_MASK,
77 	},
78 	[S2MPS11_IRQ_WTSR] = {
79 		.reg_offset = 1,
80 		.mask = S2MPS11_IRQ_WTSR_MASK,
81 	},
82 	[S2MPS11_IRQ_INT120C] = {
83 		.reg_offset = 2,
84 		.mask = S2MPS11_IRQ_INT120C_MASK,
85 	},
86 	[S2MPS11_IRQ_INT140C] = {
87 		.reg_offset = 2,
88 		.mask = S2MPS11_IRQ_INT140C_MASK,
89 	},
90 };
91 
92 
93 static struct regmap_irq s5m8767_irqs[] = {
94 	[S5M8767_IRQ_PWRR] = {
95 		.reg_offset = 0,
96 		.mask = S5M8767_IRQ_PWRR_MASK,
97 	},
98 	[S5M8767_IRQ_PWRF] = {
99 		.reg_offset = 0,
100 		.mask = S5M8767_IRQ_PWRF_MASK,
101 	},
102 	[S5M8767_IRQ_PWR1S] = {
103 		.reg_offset = 0,
104 		.mask = S5M8767_IRQ_PWR1S_MASK,
105 	},
106 	[S5M8767_IRQ_JIGR] = {
107 		.reg_offset = 0,
108 		.mask = S5M8767_IRQ_JIGR_MASK,
109 	},
110 	[S5M8767_IRQ_JIGF] = {
111 		.reg_offset = 0,
112 		.mask = S5M8767_IRQ_JIGF_MASK,
113 	},
114 	[S5M8767_IRQ_LOWBAT2] = {
115 		.reg_offset = 0,
116 		.mask = S5M8767_IRQ_LOWBAT2_MASK,
117 	},
118 	[S5M8767_IRQ_LOWBAT1] = {
119 		.reg_offset = 0,
120 		.mask = S5M8767_IRQ_LOWBAT1_MASK,
121 	},
122 	[S5M8767_IRQ_MRB] = {
123 		.reg_offset = 1,
124 		.mask = S5M8767_IRQ_MRB_MASK,
125 	},
126 	[S5M8767_IRQ_DVSOK2] = {
127 		.reg_offset = 1,
128 		.mask = S5M8767_IRQ_DVSOK2_MASK,
129 	},
130 	[S5M8767_IRQ_DVSOK3] = {
131 		.reg_offset = 1,
132 		.mask = S5M8767_IRQ_DVSOK3_MASK,
133 	},
134 	[S5M8767_IRQ_DVSOK4] = {
135 		.reg_offset = 1,
136 		.mask = S5M8767_IRQ_DVSOK4_MASK,
137 	},
138 	[S5M8767_IRQ_RTC60S] = {
139 		.reg_offset = 2,
140 		.mask = S5M8767_IRQ_RTC60S_MASK,
141 	},
142 	[S5M8767_IRQ_RTCA1] = {
143 		.reg_offset = 2,
144 		.mask = S5M8767_IRQ_RTCA1_MASK,
145 	},
146 	[S5M8767_IRQ_RTCA2] = {
147 		.reg_offset = 2,
148 		.mask = S5M8767_IRQ_RTCA2_MASK,
149 	},
150 	[S5M8767_IRQ_SMPL] = {
151 		.reg_offset = 2,
152 		.mask = S5M8767_IRQ_SMPL_MASK,
153 	},
154 	[S5M8767_IRQ_RTC1S] = {
155 		.reg_offset = 2,
156 		.mask = S5M8767_IRQ_RTC1S_MASK,
157 	},
158 	[S5M8767_IRQ_WTSR] = {
159 		.reg_offset = 2,
160 		.mask = S5M8767_IRQ_WTSR_MASK,
161 	},
162 };
163 
164 static struct regmap_irq s5m8763_irqs[] = {
165 	[S5M8763_IRQ_DCINF] = {
166 		.reg_offset = 0,
167 		.mask = S5M8763_IRQ_DCINF_MASK,
168 	},
169 	[S5M8763_IRQ_DCINR] = {
170 		.reg_offset = 0,
171 		.mask = S5M8763_IRQ_DCINR_MASK,
172 	},
173 	[S5M8763_IRQ_JIGF] = {
174 		.reg_offset = 0,
175 		.mask = S5M8763_IRQ_JIGF_MASK,
176 	},
177 	[S5M8763_IRQ_JIGR] = {
178 		.reg_offset = 0,
179 		.mask = S5M8763_IRQ_JIGR_MASK,
180 	},
181 	[S5M8763_IRQ_PWRONF] = {
182 		.reg_offset = 0,
183 		.mask = S5M8763_IRQ_PWRONF_MASK,
184 	},
185 	[S5M8763_IRQ_PWRONR] = {
186 		.reg_offset = 0,
187 		.mask = S5M8763_IRQ_PWRONR_MASK,
188 	},
189 	[S5M8763_IRQ_WTSREVNT] = {
190 		.reg_offset = 1,
191 		.mask = S5M8763_IRQ_WTSREVNT_MASK,
192 	},
193 	[S5M8763_IRQ_SMPLEVNT] = {
194 		.reg_offset = 1,
195 		.mask = S5M8763_IRQ_SMPLEVNT_MASK,
196 	},
197 	[S5M8763_IRQ_ALARM1] = {
198 		.reg_offset = 1,
199 		.mask = S5M8763_IRQ_ALARM1_MASK,
200 	},
201 	[S5M8763_IRQ_ALARM0] = {
202 		.reg_offset = 1,
203 		.mask = S5M8763_IRQ_ALARM0_MASK,
204 	},
205 	[S5M8763_IRQ_ONKEY1S] = {
206 		.reg_offset = 2,
207 		.mask = S5M8763_IRQ_ONKEY1S_MASK,
208 	},
209 	[S5M8763_IRQ_TOPOFFR] = {
210 		.reg_offset = 2,
211 		.mask = S5M8763_IRQ_TOPOFFR_MASK,
212 	},
213 	[S5M8763_IRQ_DCINOVPR] = {
214 		.reg_offset = 2,
215 		.mask = S5M8763_IRQ_DCINOVPR_MASK,
216 	},
217 	[S5M8763_IRQ_CHGRSTF] = {
218 		.reg_offset = 2,
219 		.mask = S5M8763_IRQ_CHGRSTF_MASK,
220 	},
221 	[S5M8763_IRQ_DONER] = {
222 		.reg_offset = 2,
223 		.mask = S5M8763_IRQ_DONER_MASK,
224 	},
225 	[S5M8763_IRQ_CHGFAULT] = {
226 		.reg_offset = 2,
227 		.mask = S5M8763_IRQ_CHGFAULT_MASK,
228 	},
229 	[S5M8763_IRQ_LOBAT1] = {
230 		.reg_offset = 3,
231 		.mask = S5M8763_IRQ_LOBAT1_MASK,
232 	},
233 	[S5M8763_IRQ_LOBAT2] = {
234 		.reg_offset = 3,
235 		.mask = S5M8763_IRQ_LOBAT2_MASK,
236 	},
237 };
238 
239 static struct regmap_irq_chip s2mps11_irq_chip = {
240 	.name = "s2mps11",
241 	.irqs = s2mps11_irqs,
242 	.num_irqs = ARRAY_SIZE(s2mps11_irqs),
243 	.num_regs = 3,
244 	.status_base = S2MPS11_REG_INT1,
245 	.mask_base = S2MPS11_REG_INT1M,
246 	.ack_base = S2MPS11_REG_INT1,
247 };
248 
249 static struct regmap_irq_chip s5m8767_irq_chip = {
250 	.name = "s5m8767",
251 	.irqs = s5m8767_irqs,
252 	.num_irqs = ARRAY_SIZE(s5m8767_irqs),
253 	.num_regs = 3,
254 	.status_base = S5M8767_REG_INT1,
255 	.mask_base = S5M8767_REG_INT1M,
256 	.ack_base = S5M8767_REG_INT1,
257 };
258 
259 static struct regmap_irq_chip s5m8763_irq_chip = {
260 	.name = "s5m8763",
261 	.irqs = s5m8763_irqs,
262 	.num_irqs = ARRAY_SIZE(s5m8763_irqs),
263 	.num_regs = 4,
264 	.status_base = S5M8763_REG_IRQ1,
265 	.mask_base = S5M8763_REG_IRQM1,
266 	.ack_base = S5M8763_REG_IRQ1,
267 };
268 
269 int sec_irq_init(struct sec_pmic_dev *sec_pmic)
270 {
271 	int ret = 0;
272 	int type = sec_pmic->device_type;
273 
274 	if (!sec_pmic->irq) {
275 		dev_warn(sec_pmic->dev,
276 			 "No interrupt specified, no interrupts\n");
277 		sec_pmic->irq_base = 0;
278 		return 0;
279 	}
280 
281 	switch (type) {
282 	case S5M8763X:
283 		ret = regmap_add_irq_chip(sec_pmic->regmap, sec_pmic->irq,
284 				  IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
285 				  sec_pmic->irq_base, &s5m8763_irq_chip,
286 				  &sec_pmic->irq_data);
287 		break;
288 	case S5M8767X:
289 		ret = regmap_add_irq_chip(sec_pmic->regmap, sec_pmic->irq,
290 				  IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
291 				  sec_pmic->irq_base, &s5m8767_irq_chip,
292 				  &sec_pmic->irq_data);
293 		break;
294 	case S2MPS11X:
295 		ret = regmap_add_irq_chip(sec_pmic->regmap, sec_pmic->irq,
296 				  IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
297 				  sec_pmic->irq_base, &s2mps11_irq_chip,
298 				  &sec_pmic->irq_data);
299 		break;
300 	default:
301 		dev_err(sec_pmic->dev, "Unknown device type %d\n",
302 			sec_pmic->device_type);
303 		return -EINVAL;
304 	}
305 
306 	if (ret != 0) {
307 		dev_err(sec_pmic->dev, "Failed to register IRQ chip: %d\n", ret);
308 		return ret;
309 	}
310 
311 	return 0;
312 }
313 
314 void sec_irq_exit(struct sec_pmic_dev *sec_pmic)
315 {
316 	regmap_del_irq_chip(sec_pmic->irq, sec_pmic->irq_data);
317 }
318