Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 1 | /* |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 2 | * sec-irq.c |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 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> |
Sangbeom Kim | 66c9fbb | 2012-07-11 21:06:40 +0900 | [diff] [blame] | 17 | #include <linux/mfd/samsung/s5m-core.h> |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 18 | |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 19 | struct sec_irq_data { |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 20 | int reg; |
| 21 | int mask; |
| 22 | }; |
| 23 | |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 24 | static struct sec_irq_data s5m8767_irqs[] = { |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 25 | [S5M8767_IRQ_PWRR] = { |
| 26 | .reg = 1, |
| 27 | .mask = S5M8767_IRQ_PWRR_MASK, |
| 28 | }, |
| 29 | [S5M8767_IRQ_PWRF] = { |
| 30 | .reg = 1, |
| 31 | .mask = S5M8767_IRQ_PWRF_MASK, |
| 32 | }, |
| 33 | [S5M8767_IRQ_PWR1S] = { |
| 34 | .reg = 1, |
| 35 | .mask = S5M8767_IRQ_PWR1S_MASK, |
| 36 | }, |
| 37 | [S5M8767_IRQ_JIGR] = { |
| 38 | .reg = 1, |
| 39 | .mask = S5M8767_IRQ_JIGR_MASK, |
| 40 | }, |
| 41 | [S5M8767_IRQ_JIGF] = { |
| 42 | .reg = 1, |
| 43 | .mask = S5M8767_IRQ_JIGF_MASK, |
| 44 | }, |
| 45 | [S5M8767_IRQ_LOWBAT2] = { |
| 46 | .reg = 1, |
| 47 | .mask = S5M8767_IRQ_LOWBAT2_MASK, |
| 48 | }, |
| 49 | [S5M8767_IRQ_LOWBAT1] = { |
| 50 | .reg = 1, |
| 51 | .mask = S5M8767_IRQ_LOWBAT1_MASK, |
| 52 | }, |
| 53 | [S5M8767_IRQ_MRB] = { |
| 54 | .reg = 2, |
| 55 | .mask = S5M8767_IRQ_MRB_MASK, |
| 56 | }, |
| 57 | [S5M8767_IRQ_DVSOK2] = { |
| 58 | .reg = 2, |
| 59 | .mask = S5M8767_IRQ_DVSOK2_MASK, |
| 60 | }, |
| 61 | [S5M8767_IRQ_DVSOK3] = { |
| 62 | .reg = 2, |
| 63 | .mask = S5M8767_IRQ_DVSOK3_MASK, |
| 64 | }, |
| 65 | [S5M8767_IRQ_DVSOK4] = { |
| 66 | .reg = 2, |
| 67 | .mask = S5M8767_IRQ_DVSOK4_MASK, |
| 68 | }, |
| 69 | [S5M8767_IRQ_RTC60S] = { |
| 70 | .reg = 3, |
| 71 | .mask = S5M8767_IRQ_RTC60S_MASK, |
| 72 | }, |
| 73 | [S5M8767_IRQ_RTCA1] = { |
| 74 | .reg = 3, |
| 75 | .mask = S5M8767_IRQ_RTCA1_MASK, |
| 76 | }, |
| 77 | [S5M8767_IRQ_RTCA2] = { |
| 78 | .reg = 3, |
| 79 | .mask = S5M8767_IRQ_RTCA2_MASK, |
| 80 | }, |
| 81 | [S5M8767_IRQ_SMPL] = { |
| 82 | .reg = 3, |
| 83 | .mask = S5M8767_IRQ_SMPL_MASK, |
| 84 | }, |
| 85 | [S5M8767_IRQ_RTC1S] = { |
| 86 | .reg = 3, |
| 87 | .mask = S5M8767_IRQ_RTC1S_MASK, |
| 88 | }, |
| 89 | [S5M8767_IRQ_WTSR] = { |
| 90 | .reg = 3, |
| 91 | .mask = S5M8767_IRQ_WTSR_MASK, |
| 92 | }, |
| 93 | }; |
| 94 | |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 95 | static struct sec_irq_data s5m8763_irqs[] = { |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 96 | [S5M8763_IRQ_DCINF] = { |
| 97 | .reg = 1, |
| 98 | .mask = S5M8763_IRQ_DCINF_MASK, |
| 99 | }, |
| 100 | [S5M8763_IRQ_DCINR] = { |
| 101 | .reg = 1, |
| 102 | .mask = S5M8763_IRQ_DCINR_MASK, |
| 103 | }, |
| 104 | [S5M8763_IRQ_JIGF] = { |
| 105 | .reg = 1, |
| 106 | .mask = S5M8763_IRQ_JIGF_MASK, |
| 107 | }, |
| 108 | [S5M8763_IRQ_JIGR] = { |
| 109 | .reg = 1, |
| 110 | .mask = S5M8763_IRQ_JIGR_MASK, |
| 111 | }, |
| 112 | [S5M8763_IRQ_PWRONF] = { |
| 113 | .reg = 1, |
| 114 | .mask = S5M8763_IRQ_PWRONF_MASK, |
| 115 | }, |
| 116 | [S5M8763_IRQ_PWRONR] = { |
| 117 | .reg = 1, |
| 118 | .mask = S5M8763_IRQ_PWRONR_MASK, |
| 119 | }, |
| 120 | [S5M8763_IRQ_WTSREVNT] = { |
| 121 | .reg = 2, |
| 122 | .mask = S5M8763_IRQ_WTSREVNT_MASK, |
| 123 | }, |
| 124 | [S5M8763_IRQ_SMPLEVNT] = { |
| 125 | .reg = 2, |
| 126 | .mask = S5M8763_IRQ_SMPLEVNT_MASK, |
| 127 | }, |
| 128 | [S5M8763_IRQ_ALARM1] = { |
| 129 | .reg = 2, |
| 130 | .mask = S5M8763_IRQ_ALARM1_MASK, |
| 131 | }, |
| 132 | [S5M8763_IRQ_ALARM0] = { |
| 133 | .reg = 2, |
| 134 | .mask = S5M8763_IRQ_ALARM0_MASK, |
| 135 | }, |
| 136 | [S5M8763_IRQ_ONKEY1S] = { |
| 137 | .reg = 3, |
| 138 | .mask = S5M8763_IRQ_ONKEY1S_MASK, |
| 139 | }, |
| 140 | [S5M8763_IRQ_TOPOFFR] = { |
| 141 | .reg = 3, |
| 142 | .mask = S5M8763_IRQ_TOPOFFR_MASK, |
| 143 | }, |
| 144 | [S5M8763_IRQ_DCINOVPR] = { |
| 145 | .reg = 3, |
| 146 | .mask = S5M8763_IRQ_DCINOVPR_MASK, |
| 147 | }, |
| 148 | [S5M8763_IRQ_CHGRSTF] = { |
| 149 | .reg = 3, |
| 150 | .mask = S5M8763_IRQ_CHGRSTF_MASK, |
| 151 | }, |
| 152 | [S5M8763_IRQ_DONER] = { |
| 153 | .reg = 3, |
| 154 | .mask = S5M8763_IRQ_DONER_MASK, |
| 155 | }, |
| 156 | [S5M8763_IRQ_CHGFAULT] = { |
| 157 | .reg = 3, |
| 158 | .mask = S5M8763_IRQ_CHGFAULT_MASK, |
| 159 | }, |
| 160 | [S5M8763_IRQ_LOBAT1] = { |
| 161 | .reg = 4, |
| 162 | .mask = S5M8763_IRQ_LOBAT1_MASK, |
| 163 | }, |
| 164 | [S5M8763_IRQ_LOBAT2] = { |
| 165 | .reg = 4, |
| 166 | .mask = S5M8763_IRQ_LOBAT2_MASK, |
| 167 | }, |
| 168 | }; |
| 169 | |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 170 | static inline struct sec_irq_data * |
| 171 | irq_to_s5m8767_irq(struct sec_pmic_dev *sec_pmic, int irq) |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 172 | { |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 173 | return &s5m8767_irqs[irq - sec_pmic->irq_base]; |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 174 | } |
| 175 | |
| 176 | static void s5m8767_irq_lock(struct irq_data *data) |
| 177 | { |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 178 | struct sec_pmic_dev *sec_pmic = irq_data_get_irq_chip_data(data); |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 179 | |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 180 | mutex_lock(&sec_pmic->irqlock); |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 181 | } |
| 182 | |
| 183 | static void s5m8767_irq_sync_unlock(struct irq_data *data) |
| 184 | { |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 185 | struct sec_pmic_dev *sec_pmic = irq_data_get_irq_chip_data(data); |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 186 | int i; |
| 187 | |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 188 | for (i = 0; i < ARRAY_SIZE(sec_pmic->irq_masks_cur); i++) { |
| 189 | if (sec_pmic->irq_masks_cur[i] != sec_pmic->irq_masks_cache[i]) { |
| 190 | sec_pmic->irq_masks_cache[i] = sec_pmic->irq_masks_cur[i]; |
| 191 | sec_reg_write(sec_pmic, S5M8767_REG_INT1M + i, |
| 192 | sec_pmic->irq_masks_cur[i]); |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 193 | } |
| 194 | } |
| 195 | |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 196 | mutex_unlock(&sec_pmic->irqlock); |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 197 | } |
| 198 | |
| 199 | static void s5m8767_irq_unmask(struct irq_data *data) |
| 200 | { |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 201 | struct sec_pmic_dev *sec_pmic = irq_data_get_irq_chip_data(data); |
| 202 | struct sec_irq_data *irq_data = irq_to_s5m8767_irq(sec_pmic, |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 203 | data->irq); |
| 204 | |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 205 | sec_pmic->irq_masks_cur[irq_data->reg - 1] &= ~irq_data->mask; |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 206 | } |
| 207 | |
| 208 | static void s5m8767_irq_mask(struct irq_data *data) |
| 209 | { |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 210 | struct sec_pmic_dev *sec_pmic = irq_data_get_irq_chip_data(data); |
| 211 | struct sec_irq_data *irq_data = irq_to_s5m8767_irq(sec_pmic, |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 212 | data->irq); |
| 213 | |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 214 | sec_pmic->irq_masks_cur[irq_data->reg - 1] |= irq_data->mask; |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 215 | } |
| 216 | |
| 217 | static struct irq_chip s5m8767_irq_chip = { |
| 218 | .name = "s5m8767", |
| 219 | .irq_bus_lock = s5m8767_irq_lock, |
| 220 | .irq_bus_sync_unlock = s5m8767_irq_sync_unlock, |
| 221 | .irq_mask = s5m8767_irq_mask, |
| 222 | .irq_unmask = s5m8767_irq_unmask, |
| 223 | }; |
| 224 | |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 225 | static inline struct sec_irq_data * |
| 226 | irq_to_s5m8763_irq(struct sec_pmic_dev *sec_pmic, int irq) |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 227 | { |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 228 | return &s5m8763_irqs[irq - sec_pmic->irq_base]; |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 229 | } |
| 230 | |
| 231 | static void s5m8763_irq_lock(struct irq_data *data) |
| 232 | { |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 233 | struct sec_pmic_dev *sec_pmic = irq_data_get_irq_chip_data(data); |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 234 | |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 235 | mutex_lock(&sec_pmic->irqlock); |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 236 | } |
| 237 | |
| 238 | static void s5m8763_irq_sync_unlock(struct irq_data *data) |
| 239 | { |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 240 | struct sec_pmic_dev *sec_pmic = irq_data_get_irq_chip_data(data); |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 241 | int i; |
| 242 | |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 243 | for (i = 0; i < ARRAY_SIZE(sec_pmic->irq_masks_cur); i++) { |
| 244 | if (sec_pmic->irq_masks_cur[i] != sec_pmic->irq_masks_cache[i]) { |
| 245 | sec_pmic->irq_masks_cache[i] = sec_pmic->irq_masks_cur[i]; |
| 246 | sec_reg_write(sec_pmic, S5M8763_REG_IRQM1 + i, |
| 247 | sec_pmic->irq_masks_cur[i]); |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 248 | } |
| 249 | } |
| 250 | |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 251 | mutex_unlock(&sec_pmic->irqlock); |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 252 | } |
| 253 | |
| 254 | static void s5m8763_irq_unmask(struct irq_data *data) |
| 255 | { |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 256 | struct sec_pmic_dev *sec_pmic = irq_data_get_irq_chip_data(data); |
| 257 | struct sec_irq_data *irq_data = irq_to_s5m8763_irq(sec_pmic, |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 258 | data->irq); |
| 259 | |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 260 | sec_pmic->irq_masks_cur[irq_data->reg - 1] &= ~irq_data->mask; |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 261 | } |
| 262 | |
| 263 | static void s5m8763_irq_mask(struct irq_data *data) |
| 264 | { |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 265 | struct sec_pmic_dev *sec_pmic = irq_data_get_irq_chip_data(data); |
| 266 | struct sec_irq_data *irq_data = irq_to_s5m8763_irq(sec_pmic, |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 267 | data->irq); |
| 268 | |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 269 | sec_pmic->irq_masks_cur[irq_data->reg - 1] |= irq_data->mask; |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 270 | } |
| 271 | |
| 272 | static struct irq_chip s5m8763_irq_chip = { |
| 273 | .name = "s5m8763", |
| 274 | .irq_bus_lock = s5m8763_irq_lock, |
| 275 | .irq_bus_sync_unlock = s5m8763_irq_sync_unlock, |
| 276 | .irq_mask = s5m8763_irq_mask, |
| 277 | .irq_unmask = s5m8763_irq_unmask, |
| 278 | }; |
| 279 | |
| 280 | |
| 281 | static irqreturn_t s5m8767_irq_thread(int irq, void *data) |
| 282 | { |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 283 | struct sec_pmic_dev *sec_pmic = data; |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 284 | u8 irq_reg[NUM_IRQ_REGS-1]; |
| 285 | int ret; |
| 286 | int i; |
| 287 | |
| 288 | |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 289 | ret = sec_bulk_read(sec_pmic, S5M8767_REG_INT1, |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 290 | NUM_IRQ_REGS - 1, irq_reg); |
| 291 | if (ret < 0) { |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 292 | dev_err(sec_pmic->dev, "Failed to read interrupt register: %d\n", |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 293 | ret); |
| 294 | return IRQ_NONE; |
| 295 | } |
| 296 | |
| 297 | for (i = 0; i < NUM_IRQ_REGS - 1; i++) |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 298 | irq_reg[i] &= ~sec_pmic->irq_masks_cur[i]; |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 299 | |
| 300 | for (i = 0; i < S5M8767_IRQ_NR; i++) { |
| 301 | if (irq_reg[s5m8767_irqs[i].reg - 1] & s5m8767_irqs[i].mask) |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 302 | handle_nested_irq(sec_pmic->irq_base + i); |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 303 | } |
| 304 | |
| 305 | return IRQ_HANDLED; |
| 306 | } |
| 307 | |
| 308 | static irqreturn_t s5m8763_irq_thread(int irq, void *data) |
| 309 | { |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 310 | struct sec_pmic_dev *sec_pmic = data; |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 311 | u8 irq_reg[NUM_IRQ_REGS]; |
| 312 | int ret; |
| 313 | int i; |
| 314 | |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 315 | ret = sec_bulk_read(sec_pmic, S5M8763_REG_IRQ1, |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 316 | NUM_IRQ_REGS, irq_reg); |
| 317 | if (ret < 0) { |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 318 | dev_err(sec_pmic->dev, "Failed to read interrupt register: %d\n", |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 319 | ret); |
| 320 | return IRQ_NONE; |
| 321 | } |
| 322 | |
| 323 | for (i = 0; i < NUM_IRQ_REGS; i++) |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 324 | irq_reg[i] &= ~sec_pmic->irq_masks_cur[i]; |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 325 | |
| 326 | for (i = 0; i < S5M8763_IRQ_NR; i++) { |
| 327 | if (irq_reg[s5m8763_irqs[i].reg - 1] & s5m8763_irqs[i].mask) |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 328 | handle_nested_irq(sec_pmic->irq_base + i); |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 329 | } |
| 330 | |
| 331 | return IRQ_HANDLED; |
| 332 | } |
| 333 | |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 334 | int sec_irq_resume(struct sec_pmic_dev *sec_pmic) |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 335 | { |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 336 | if (sec_pmic->irq && sec_pmic->irq_base) { |
| 337 | switch (sec_pmic->device_type) { |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 338 | case S5M8763X: |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 339 | s5m8763_irq_thread(sec_pmic->irq_base, sec_pmic); |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 340 | break; |
| 341 | case S5M8767X: |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 342 | s5m8767_irq_thread(sec_pmic->irq_base, sec_pmic); |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 343 | break; |
| 344 | default: |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 345 | dev_err(sec_pmic->dev, |
Jonghwan Choi | c7a1fcf | 2012-02-20 16:22:56 +0100 | [diff] [blame] | 346 | "Unknown device type %d\n", |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 347 | sec_pmic->device_type); |
Jonghwan Choi | c7a1fcf | 2012-02-20 16:22:56 +0100 | [diff] [blame] | 348 | return -EINVAL; |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 349 | |
| 350 | } |
| 351 | } |
| 352 | return 0; |
| 353 | } |
| 354 | |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 355 | int sec_irq_init(struct sec_pmic_dev *sec_pmic) |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 356 | { |
| 357 | int i; |
| 358 | int cur_irq; |
| 359 | int ret = 0; |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 360 | int type = sec_pmic->device_type; |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 361 | |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 362 | if (!sec_pmic->irq) { |
| 363 | dev_warn(sec_pmic->dev, |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 364 | "No interrupt specified, no interrupts\n"); |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 365 | sec_pmic->irq_base = 0; |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 366 | return 0; |
| 367 | } |
| 368 | |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 369 | if (!sec_pmic->irq_base) { |
| 370 | dev_err(sec_pmic->dev, |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 371 | "No interrupt base specified, no interrupts\n"); |
| 372 | return 0; |
| 373 | } |
| 374 | |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 375 | mutex_init(&sec_pmic->irqlock); |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 376 | |
| 377 | switch (type) { |
| 378 | case S5M8763X: |
| 379 | for (i = 0; i < NUM_IRQ_REGS; i++) { |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 380 | sec_pmic->irq_masks_cur[i] = 0xff; |
| 381 | sec_pmic->irq_masks_cache[i] = 0xff; |
| 382 | sec_reg_write(sec_pmic, S5M8763_REG_IRQM1 + i, |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 383 | 0xff); |
| 384 | } |
| 385 | |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 386 | sec_reg_write(sec_pmic, S5M8763_REG_STATUSM1, 0xff); |
| 387 | sec_reg_write(sec_pmic, S5M8763_REG_STATUSM2, 0xff); |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 388 | |
| 389 | for (i = 0; i < S5M8763_IRQ_NR; i++) { |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 390 | cur_irq = i + sec_pmic->irq_base; |
| 391 | irq_set_chip_data(cur_irq, sec_pmic); |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 392 | irq_set_chip_and_handler(cur_irq, &s5m8763_irq_chip, |
| 393 | handle_edge_irq); |
| 394 | irq_set_nested_thread(cur_irq, 1); |
| 395 | #ifdef CONFIG_ARM |
| 396 | set_irq_flags(cur_irq, IRQF_VALID); |
| 397 | #else |
| 398 | irq_set_noprobe(cur_irq); |
| 399 | #endif |
| 400 | } |
| 401 | |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 402 | ret = request_threaded_irq(sec_pmic->irq, NULL, |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 403 | s5m8763_irq_thread, |
| 404 | IRQF_TRIGGER_FALLING | IRQF_ONESHOT, |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 405 | "sec-pmic-irq", sec_pmic); |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 406 | if (ret) { |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 407 | dev_err(sec_pmic->dev, "Failed to request IRQ %d: %d\n", |
| 408 | sec_pmic->irq, ret); |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 409 | return ret; |
| 410 | } |
| 411 | break; |
| 412 | case S5M8767X: |
| 413 | for (i = 0; i < NUM_IRQ_REGS - 1; i++) { |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 414 | sec_pmic->irq_masks_cur[i] = 0xff; |
| 415 | sec_pmic->irq_masks_cache[i] = 0xff; |
| 416 | sec_reg_write(sec_pmic, S5M8767_REG_INT1M + i, |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 417 | 0xff); |
| 418 | } |
| 419 | for (i = 0; i < S5M8767_IRQ_NR; i++) { |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 420 | cur_irq = i + sec_pmic->irq_base; |
| 421 | irq_set_chip_data(cur_irq, sec_pmic); |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 422 | if (ret) { |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 423 | dev_err(sec_pmic->dev, |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 424 | "Failed to irq_set_chip_data %d: %d\n", |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 425 | sec_pmic->irq, ret); |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 426 | return ret; |
| 427 | } |
| 428 | |
| 429 | irq_set_chip_and_handler(cur_irq, &s5m8767_irq_chip, |
| 430 | handle_edge_irq); |
| 431 | irq_set_nested_thread(cur_irq, 1); |
| 432 | #ifdef CONFIG_ARM |
| 433 | set_irq_flags(cur_irq, IRQF_VALID); |
| 434 | #else |
| 435 | irq_set_noprobe(cur_irq); |
| 436 | #endif |
| 437 | } |
| 438 | |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 439 | ret = request_threaded_irq(sec_pmic->irq, NULL, |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 440 | s5m8767_irq_thread, |
| 441 | IRQF_TRIGGER_FALLING | IRQF_ONESHOT, |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 442 | "sec-pmic-irq", sec_pmic); |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 443 | if (ret) { |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 444 | dev_err(sec_pmic->dev, "Failed to request IRQ %d: %d\n", |
| 445 | sec_pmic->irq, ret); |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 446 | return ret; |
| 447 | } |
| 448 | break; |
| 449 | default: |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 450 | dev_err(sec_pmic->dev, |
| 451 | "Unknown device type %d\n", sec_pmic->device_type); |
Jonghwan Choi | c7a1fcf | 2012-02-20 16:22:56 +0100 | [diff] [blame] | 452 | return -EINVAL; |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 453 | } |
| 454 | |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 455 | if (!sec_pmic->ono) |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 456 | return 0; |
| 457 | |
| 458 | switch (type) { |
| 459 | case S5M8763X: |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 460 | ret = request_threaded_irq(sec_pmic->ono, NULL, |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 461 | s5m8763_irq_thread, |
| 462 | IRQF_TRIGGER_FALLING | |
| 463 | IRQF_TRIGGER_RISING | |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 464 | IRQF_ONESHOT, "sec_pmic-ono", |
| 465 | sec_pmic); |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 466 | break; |
| 467 | case S5M8767X: |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 468 | ret = request_threaded_irq(sec_pmic->ono, NULL, |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 469 | s5m8767_irq_thread, |
| 470 | IRQF_TRIGGER_FALLING | |
| 471 | IRQF_TRIGGER_RISING | |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 472 | IRQF_ONESHOT, "sec_pmic-ono", sec_pmic); |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 473 | break; |
| 474 | default: |
Jonghwan Choi | c7a1fcf | 2012-02-20 16:22:56 +0100 | [diff] [blame] | 475 | ret = -EINVAL; |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 476 | break; |
| 477 | } |
| 478 | |
Jonghwan Choi | c7a1fcf | 2012-02-20 16:22:56 +0100 | [diff] [blame] | 479 | if (ret) { |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 480 | dev_err(sec_pmic->dev, "Failed to request IRQ %d: %d\n", |
| 481 | sec_pmic->ono, ret); |
Jonghwan Choi | c7a1fcf | 2012-02-20 16:22:56 +0100 | [diff] [blame] | 482 | return ret; |
| 483 | } |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 484 | |
| 485 | return 0; |
| 486 | } |
| 487 | |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 488 | void sec_irq_exit(struct sec_pmic_dev *sec_pmic) |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 489 | { |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 490 | if (sec_pmic->ono) |
| 491 | free_irq(sec_pmic->ono, sec_pmic); |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 492 | |
Sangbeom Kim | 63063bf | 2012-07-11 21:06:55 +0900 | [diff] [blame^] | 493 | if (sec_pmic->irq) |
| 494 | free_irq(sec_pmic->irq, sec_pmic); |
Sangbeom Kim | 5ac2ffa7 | 2011-12-23 17:28:09 +0900 | [diff] [blame] | 495 | } |