Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright(C) 2015 Linaro Limited. All rights reserved. |
| 3 | * Author: Mathieu Poirier <mathieu.poirier@linaro.org> |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 as published by |
| 7 | * the Free Software Foundation. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, but WITHOUT |
| 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 12 | * more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License along with |
| 15 | * this program. If not, see <http://www.gnu.org/licenses/>. |
| 16 | */ |
| 17 | |
| 18 | #include <linux/pm_runtime.h> |
| 19 | #include <linux/sysfs.h> |
| 20 | #include "coresight-etm.h" |
| 21 | |
| 22 | static ssize_t nr_addr_cmp_show(struct device *dev, |
| 23 | struct device_attribute *attr, char *buf) |
| 24 | { |
| 25 | unsigned long val; |
| 26 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
| 27 | |
| 28 | val = drvdata->nr_addr_cmp; |
| 29 | return sprintf(buf, "%#lx\n", val); |
| 30 | } |
| 31 | static DEVICE_ATTR_RO(nr_addr_cmp); |
| 32 | |
| 33 | static ssize_t nr_cntr_show(struct device *dev, |
| 34 | struct device_attribute *attr, char *buf) |
| 35 | { unsigned long val; |
| 36 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
| 37 | |
| 38 | val = drvdata->nr_cntr; |
| 39 | return sprintf(buf, "%#lx\n", val); |
| 40 | } |
| 41 | static DEVICE_ATTR_RO(nr_cntr); |
| 42 | |
| 43 | static ssize_t nr_ctxid_cmp_show(struct device *dev, |
| 44 | struct device_attribute *attr, char *buf) |
| 45 | { |
| 46 | unsigned long val; |
| 47 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
| 48 | |
| 49 | val = drvdata->nr_ctxid_cmp; |
| 50 | return sprintf(buf, "%#lx\n", val); |
| 51 | } |
| 52 | static DEVICE_ATTR_RO(nr_ctxid_cmp); |
| 53 | |
| 54 | static ssize_t etmsr_show(struct device *dev, |
| 55 | struct device_attribute *attr, char *buf) |
| 56 | { |
| 57 | unsigned long flags, val; |
| 58 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
| 59 | |
| 60 | pm_runtime_get_sync(drvdata->dev); |
| 61 | spin_lock_irqsave(&drvdata->spinlock, flags); |
| 62 | CS_UNLOCK(drvdata->base); |
| 63 | |
| 64 | val = etm_readl(drvdata, ETMSR); |
| 65 | |
| 66 | CS_LOCK(drvdata->base); |
| 67 | spin_unlock_irqrestore(&drvdata->spinlock, flags); |
| 68 | pm_runtime_put(drvdata->dev); |
| 69 | |
| 70 | return sprintf(buf, "%#lx\n", val); |
| 71 | } |
| 72 | static DEVICE_ATTR_RO(etmsr); |
| 73 | |
| 74 | static ssize_t reset_store(struct device *dev, |
| 75 | struct device_attribute *attr, |
| 76 | const char *buf, size_t size) |
| 77 | { |
| 78 | int i, ret; |
| 79 | unsigned long val; |
| 80 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 81 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 82 | |
| 83 | ret = kstrtoul(buf, 16, &val); |
| 84 | if (ret) |
| 85 | return ret; |
| 86 | |
| 87 | if (val) { |
| 88 | spin_lock(&drvdata->spinlock); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 89 | memset(config, 0, sizeof(struct etm_config)); |
| 90 | config->mode = ETM_MODE_EXCLUDE; |
| 91 | config->trigger_event = ETM_DEFAULT_EVENT_VAL; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 92 | for (i = 0; i < drvdata->nr_addr_cmp; i++) { |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 93 | config->addr_type[i] = ETM_ADDR_TYPE_NONE; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 94 | } |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 95 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 96 | etm_set_default(config); |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 97 | spin_unlock(&drvdata->spinlock); |
| 98 | } |
| 99 | |
| 100 | return size; |
| 101 | } |
| 102 | static DEVICE_ATTR_WO(reset); |
| 103 | |
| 104 | static ssize_t mode_show(struct device *dev, |
| 105 | struct device_attribute *attr, char *buf) |
| 106 | { |
| 107 | unsigned long val; |
| 108 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 109 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 110 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 111 | val = config->mode; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 112 | return sprintf(buf, "%#lx\n", val); |
| 113 | } |
| 114 | |
| 115 | static ssize_t mode_store(struct device *dev, |
| 116 | struct device_attribute *attr, |
| 117 | const char *buf, size_t size) |
| 118 | { |
| 119 | int ret; |
| 120 | unsigned long val; |
| 121 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 122 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 123 | |
| 124 | ret = kstrtoul(buf, 16, &val); |
| 125 | if (ret) |
| 126 | return ret; |
| 127 | |
| 128 | spin_lock(&drvdata->spinlock); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 129 | config->mode = val & ETM_MODE_ALL; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 130 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 131 | if (config->mode & ETM_MODE_EXCLUDE) |
| 132 | config->enable_ctrl1 |= ETMTECR1_INC_EXC; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 133 | else |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 134 | config->enable_ctrl1 &= ~ETMTECR1_INC_EXC; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 135 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 136 | if (config->mode & ETM_MODE_CYCACC) |
| 137 | config->ctrl |= ETMCR_CYC_ACC; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 138 | else |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 139 | config->ctrl &= ~ETMCR_CYC_ACC; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 140 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 141 | if (config->mode & ETM_MODE_STALL) { |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 142 | if (!(drvdata->etmccr & ETMCCR_FIFOFULL)) { |
| 143 | dev_warn(drvdata->dev, "stall mode not supported\n"); |
| 144 | ret = -EINVAL; |
| 145 | goto err_unlock; |
| 146 | } |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 147 | config->ctrl |= ETMCR_STALL_MODE; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 148 | } else |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 149 | config->ctrl &= ~ETMCR_STALL_MODE; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 150 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 151 | if (config->mode & ETM_MODE_TIMESTAMP) { |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 152 | if (!(drvdata->etmccer & ETMCCER_TIMESTAMP)) { |
| 153 | dev_warn(drvdata->dev, "timestamp not supported\n"); |
| 154 | ret = -EINVAL; |
| 155 | goto err_unlock; |
| 156 | } |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 157 | config->ctrl |= ETMCR_TIMESTAMP_EN; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 158 | } else |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 159 | config->ctrl &= ~ETMCR_TIMESTAMP_EN; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 160 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 161 | if (config->mode & ETM_MODE_CTXID) |
| 162 | config->ctrl |= ETMCR_CTXID_SIZE; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 163 | else |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 164 | config->ctrl &= ~ETMCR_CTXID_SIZE; |
Mathieu Poirier | 2127154 | 2016-02-17 17:51:56 -0700 | [diff] [blame] | 165 | |
| 166 | if (config->mode & (ETM_MODE_EXCL_KERN | ETM_MODE_EXCL_USER)) |
| 167 | etm_config_trace_mode(config); |
| 168 | |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 169 | spin_unlock(&drvdata->spinlock); |
| 170 | |
| 171 | return size; |
| 172 | |
| 173 | err_unlock: |
| 174 | spin_unlock(&drvdata->spinlock); |
| 175 | return ret; |
| 176 | } |
| 177 | static DEVICE_ATTR_RW(mode); |
| 178 | |
| 179 | static ssize_t trigger_event_show(struct device *dev, |
| 180 | struct device_attribute *attr, char *buf) |
| 181 | { |
| 182 | unsigned long val; |
| 183 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 184 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 185 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 186 | val = config->trigger_event; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 187 | return sprintf(buf, "%#lx\n", val); |
| 188 | } |
| 189 | |
| 190 | static ssize_t trigger_event_store(struct device *dev, |
| 191 | struct device_attribute *attr, |
| 192 | const char *buf, size_t size) |
| 193 | { |
| 194 | int ret; |
| 195 | unsigned long val; |
| 196 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 197 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 198 | |
| 199 | ret = kstrtoul(buf, 16, &val); |
| 200 | if (ret) |
| 201 | return ret; |
| 202 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 203 | config->trigger_event = val & ETM_EVENT_MASK; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 204 | |
| 205 | return size; |
| 206 | } |
| 207 | static DEVICE_ATTR_RW(trigger_event); |
| 208 | |
| 209 | static ssize_t enable_event_show(struct device *dev, |
| 210 | struct device_attribute *attr, char *buf) |
| 211 | { |
| 212 | unsigned long val; |
| 213 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 214 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 215 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 216 | val = config->enable_event; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 217 | return sprintf(buf, "%#lx\n", val); |
| 218 | } |
| 219 | |
| 220 | static ssize_t enable_event_store(struct device *dev, |
| 221 | struct device_attribute *attr, |
| 222 | const char *buf, size_t size) |
| 223 | { |
| 224 | int ret; |
| 225 | unsigned long val; |
| 226 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 227 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 228 | |
| 229 | ret = kstrtoul(buf, 16, &val); |
| 230 | if (ret) |
| 231 | return ret; |
| 232 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 233 | config->enable_event = val & ETM_EVENT_MASK; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 234 | |
| 235 | return size; |
| 236 | } |
| 237 | static DEVICE_ATTR_RW(enable_event); |
| 238 | |
| 239 | static ssize_t fifofull_level_show(struct device *dev, |
| 240 | struct device_attribute *attr, char *buf) |
| 241 | { |
| 242 | unsigned long val; |
| 243 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 244 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 245 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 246 | val = config->fifofull_level; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 247 | return sprintf(buf, "%#lx\n", val); |
| 248 | } |
| 249 | |
| 250 | static ssize_t fifofull_level_store(struct device *dev, |
| 251 | struct device_attribute *attr, |
| 252 | const char *buf, size_t size) |
| 253 | { |
| 254 | int ret; |
| 255 | unsigned long val; |
| 256 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 257 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 258 | |
| 259 | ret = kstrtoul(buf, 16, &val); |
| 260 | if (ret) |
| 261 | return ret; |
| 262 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 263 | config->fifofull_level = val; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 264 | |
| 265 | return size; |
| 266 | } |
| 267 | static DEVICE_ATTR_RW(fifofull_level); |
| 268 | |
| 269 | static ssize_t addr_idx_show(struct device *dev, |
| 270 | struct device_attribute *attr, char *buf) |
| 271 | { |
| 272 | unsigned long val; |
| 273 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 274 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 275 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 276 | val = config->addr_idx; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 277 | return sprintf(buf, "%#lx\n", val); |
| 278 | } |
| 279 | |
| 280 | static ssize_t addr_idx_store(struct device *dev, |
| 281 | struct device_attribute *attr, |
| 282 | const char *buf, size_t size) |
| 283 | { |
| 284 | int ret; |
| 285 | unsigned long val; |
| 286 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 287 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 288 | |
| 289 | ret = kstrtoul(buf, 16, &val); |
| 290 | if (ret) |
| 291 | return ret; |
| 292 | |
| 293 | if (val >= drvdata->nr_addr_cmp) |
| 294 | return -EINVAL; |
| 295 | |
| 296 | /* |
| 297 | * Use spinlock to ensure index doesn't change while it gets |
| 298 | * dereferenced multiple times within a spinlock block elsewhere. |
| 299 | */ |
| 300 | spin_lock(&drvdata->spinlock); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 301 | config->addr_idx = val; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 302 | spin_unlock(&drvdata->spinlock); |
| 303 | |
| 304 | return size; |
| 305 | } |
| 306 | static DEVICE_ATTR_RW(addr_idx); |
| 307 | |
| 308 | static ssize_t addr_single_show(struct device *dev, |
| 309 | struct device_attribute *attr, char *buf) |
| 310 | { |
| 311 | u8 idx; |
| 312 | unsigned long val; |
| 313 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 314 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 315 | |
| 316 | spin_lock(&drvdata->spinlock); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 317 | idx = config->addr_idx; |
| 318 | if (!(config->addr_type[idx] == ETM_ADDR_TYPE_NONE || |
| 319 | config->addr_type[idx] == ETM_ADDR_TYPE_SINGLE)) { |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 320 | spin_unlock(&drvdata->spinlock); |
| 321 | return -EINVAL; |
| 322 | } |
| 323 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 324 | val = config->addr_val[idx]; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 325 | spin_unlock(&drvdata->spinlock); |
| 326 | |
| 327 | return sprintf(buf, "%#lx\n", val); |
| 328 | } |
| 329 | |
| 330 | static ssize_t addr_single_store(struct device *dev, |
| 331 | struct device_attribute *attr, |
| 332 | const char *buf, size_t size) |
| 333 | { |
| 334 | u8 idx; |
| 335 | int ret; |
| 336 | unsigned long val; |
| 337 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 338 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 339 | |
| 340 | ret = kstrtoul(buf, 16, &val); |
| 341 | if (ret) |
| 342 | return ret; |
| 343 | |
| 344 | spin_lock(&drvdata->spinlock); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 345 | idx = config->addr_idx; |
| 346 | if (!(config->addr_type[idx] == ETM_ADDR_TYPE_NONE || |
| 347 | config->addr_type[idx] == ETM_ADDR_TYPE_SINGLE)) { |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 348 | spin_unlock(&drvdata->spinlock); |
| 349 | return -EINVAL; |
| 350 | } |
| 351 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 352 | config->addr_val[idx] = val; |
| 353 | config->addr_type[idx] = ETM_ADDR_TYPE_SINGLE; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 354 | spin_unlock(&drvdata->spinlock); |
| 355 | |
| 356 | return size; |
| 357 | } |
| 358 | static DEVICE_ATTR_RW(addr_single); |
| 359 | |
| 360 | static ssize_t addr_range_show(struct device *dev, |
| 361 | struct device_attribute *attr, char *buf) |
| 362 | { |
| 363 | u8 idx; |
| 364 | unsigned long val1, val2; |
| 365 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 366 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 367 | |
| 368 | spin_lock(&drvdata->spinlock); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 369 | idx = config->addr_idx; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 370 | if (idx % 2 != 0) { |
| 371 | spin_unlock(&drvdata->spinlock); |
| 372 | return -EPERM; |
| 373 | } |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 374 | if (!((config->addr_type[idx] == ETM_ADDR_TYPE_NONE && |
| 375 | config->addr_type[idx + 1] == ETM_ADDR_TYPE_NONE) || |
| 376 | (config->addr_type[idx] == ETM_ADDR_TYPE_RANGE && |
| 377 | config->addr_type[idx + 1] == ETM_ADDR_TYPE_RANGE))) { |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 378 | spin_unlock(&drvdata->spinlock); |
| 379 | return -EPERM; |
| 380 | } |
| 381 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 382 | val1 = config->addr_val[idx]; |
| 383 | val2 = config->addr_val[idx + 1]; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 384 | spin_unlock(&drvdata->spinlock); |
| 385 | |
| 386 | return sprintf(buf, "%#lx %#lx\n", val1, val2); |
| 387 | } |
| 388 | |
| 389 | static ssize_t addr_range_store(struct device *dev, |
| 390 | struct device_attribute *attr, |
| 391 | const char *buf, size_t size) |
| 392 | { |
| 393 | u8 idx; |
| 394 | unsigned long val1, val2; |
| 395 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 396 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 397 | |
| 398 | if (sscanf(buf, "%lx %lx", &val1, &val2) != 2) |
| 399 | return -EINVAL; |
| 400 | /* Lower address comparator cannot have a higher address value */ |
| 401 | if (val1 > val2) |
| 402 | return -EINVAL; |
| 403 | |
| 404 | spin_lock(&drvdata->spinlock); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 405 | idx = config->addr_idx; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 406 | if (idx % 2 != 0) { |
| 407 | spin_unlock(&drvdata->spinlock); |
| 408 | return -EPERM; |
| 409 | } |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 410 | if (!((config->addr_type[idx] == ETM_ADDR_TYPE_NONE && |
| 411 | config->addr_type[idx + 1] == ETM_ADDR_TYPE_NONE) || |
| 412 | (config->addr_type[idx] == ETM_ADDR_TYPE_RANGE && |
| 413 | config->addr_type[idx + 1] == ETM_ADDR_TYPE_RANGE))) { |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 414 | spin_unlock(&drvdata->spinlock); |
| 415 | return -EPERM; |
| 416 | } |
| 417 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 418 | config->addr_val[idx] = val1; |
| 419 | config->addr_type[idx] = ETM_ADDR_TYPE_RANGE; |
| 420 | config->addr_val[idx + 1] = val2; |
| 421 | config->addr_type[idx + 1] = ETM_ADDR_TYPE_RANGE; |
| 422 | config->enable_ctrl1 |= (1 << (idx/2)); |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 423 | spin_unlock(&drvdata->spinlock); |
| 424 | |
| 425 | return size; |
| 426 | } |
| 427 | static DEVICE_ATTR_RW(addr_range); |
| 428 | |
| 429 | static ssize_t addr_start_show(struct device *dev, |
| 430 | struct device_attribute *attr, char *buf) |
| 431 | { |
| 432 | u8 idx; |
| 433 | unsigned long val; |
| 434 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 435 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 436 | |
| 437 | spin_lock(&drvdata->spinlock); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 438 | idx = config->addr_idx; |
| 439 | if (!(config->addr_type[idx] == ETM_ADDR_TYPE_NONE || |
| 440 | config->addr_type[idx] == ETM_ADDR_TYPE_START)) { |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 441 | spin_unlock(&drvdata->spinlock); |
| 442 | return -EPERM; |
| 443 | } |
| 444 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 445 | val = config->addr_val[idx]; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 446 | spin_unlock(&drvdata->spinlock); |
| 447 | |
| 448 | return sprintf(buf, "%#lx\n", val); |
| 449 | } |
| 450 | |
| 451 | static ssize_t addr_start_store(struct device *dev, |
| 452 | struct device_attribute *attr, |
| 453 | const char *buf, size_t size) |
| 454 | { |
| 455 | u8 idx; |
| 456 | int ret; |
| 457 | unsigned long val; |
| 458 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 459 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 460 | |
| 461 | ret = kstrtoul(buf, 16, &val); |
| 462 | if (ret) |
| 463 | return ret; |
| 464 | |
| 465 | spin_lock(&drvdata->spinlock); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 466 | idx = config->addr_idx; |
| 467 | if (!(config->addr_type[idx] == ETM_ADDR_TYPE_NONE || |
| 468 | config->addr_type[idx] == ETM_ADDR_TYPE_START)) { |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 469 | spin_unlock(&drvdata->spinlock); |
| 470 | return -EPERM; |
| 471 | } |
| 472 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 473 | config->addr_val[idx] = val; |
| 474 | config->addr_type[idx] = ETM_ADDR_TYPE_START; |
| 475 | config->startstop_ctrl |= (1 << idx); |
| 476 | config->enable_ctrl1 |= BIT(25); |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 477 | spin_unlock(&drvdata->spinlock); |
| 478 | |
| 479 | return size; |
| 480 | } |
| 481 | static DEVICE_ATTR_RW(addr_start); |
| 482 | |
| 483 | static ssize_t addr_stop_show(struct device *dev, |
| 484 | struct device_attribute *attr, char *buf) |
| 485 | { |
| 486 | u8 idx; |
| 487 | unsigned long val; |
| 488 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 489 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 490 | |
| 491 | spin_lock(&drvdata->spinlock); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 492 | idx = config->addr_idx; |
| 493 | if (!(config->addr_type[idx] == ETM_ADDR_TYPE_NONE || |
| 494 | config->addr_type[idx] == ETM_ADDR_TYPE_STOP)) { |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 495 | spin_unlock(&drvdata->spinlock); |
| 496 | return -EPERM; |
| 497 | } |
| 498 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 499 | val = config->addr_val[idx]; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 500 | spin_unlock(&drvdata->spinlock); |
| 501 | |
| 502 | return sprintf(buf, "%#lx\n", val); |
| 503 | } |
| 504 | |
| 505 | static ssize_t addr_stop_store(struct device *dev, |
| 506 | struct device_attribute *attr, |
| 507 | const char *buf, size_t size) |
| 508 | { |
| 509 | u8 idx; |
| 510 | int ret; |
| 511 | unsigned long val; |
| 512 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 513 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 514 | |
| 515 | ret = kstrtoul(buf, 16, &val); |
| 516 | if (ret) |
| 517 | return ret; |
| 518 | |
| 519 | spin_lock(&drvdata->spinlock); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 520 | idx = config->addr_idx; |
| 521 | if (!(config->addr_type[idx] == ETM_ADDR_TYPE_NONE || |
| 522 | config->addr_type[idx] == ETM_ADDR_TYPE_STOP)) { |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 523 | spin_unlock(&drvdata->spinlock); |
| 524 | return -EPERM; |
| 525 | } |
| 526 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 527 | config->addr_val[idx] = val; |
| 528 | config->addr_type[idx] = ETM_ADDR_TYPE_STOP; |
| 529 | config->startstop_ctrl |= (1 << (idx + 16)); |
| 530 | config->enable_ctrl1 |= ETMTECR1_START_STOP; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 531 | spin_unlock(&drvdata->spinlock); |
| 532 | |
| 533 | return size; |
| 534 | } |
| 535 | static DEVICE_ATTR_RW(addr_stop); |
| 536 | |
| 537 | static ssize_t addr_acctype_show(struct device *dev, |
| 538 | struct device_attribute *attr, char *buf) |
| 539 | { |
| 540 | unsigned long val; |
| 541 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 542 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 543 | |
| 544 | spin_lock(&drvdata->spinlock); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 545 | val = config->addr_acctype[config->addr_idx]; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 546 | spin_unlock(&drvdata->spinlock); |
| 547 | |
| 548 | return sprintf(buf, "%#lx\n", val); |
| 549 | } |
| 550 | |
| 551 | static ssize_t addr_acctype_store(struct device *dev, |
| 552 | struct device_attribute *attr, |
| 553 | const char *buf, size_t size) |
| 554 | { |
| 555 | int ret; |
| 556 | unsigned long val; |
| 557 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 558 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 559 | |
| 560 | ret = kstrtoul(buf, 16, &val); |
| 561 | if (ret) |
| 562 | return ret; |
| 563 | |
| 564 | spin_lock(&drvdata->spinlock); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 565 | config->addr_acctype[config->addr_idx] = val; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 566 | spin_unlock(&drvdata->spinlock); |
| 567 | |
| 568 | return size; |
| 569 | } |
| 570 | static DEVICE_ATTR_RW(addr_acctype); |
| 571 | |
| 572 | static ssize_t cntr_idx_show(struct device *dev, |
| 573 | struct device_attribute *attr, char *buf) |
| 574 | { |
| 575 | unsigned long val; |
| 576 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 577 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 578 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 579 | val = config->cntr_idx; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 580 | return sprintf(buf, "%#lx\n", val); |
| 581 | } |
| 582 | |
| 583 | static ssize_t cntr_idx_store(struct device *dev, |
| 584 | struct device_attribute *attr, |
| 585 | const char *buf, size_t size) |
| 586 | { |
| 587 | int ret; |
| 588 | unsigned long val; |
| 589 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 590 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 591 | |
| 592 | ret = kstrtoul(buf, 16, &val); |
| 593 | if (ret) |
| 594 | return ret; |
| 595 | |
| 596 | if (val >= drvdata->nr_cntr) |
| 597 | return -EINVAL; |
| 598 | /* |
| 599 | * Use spinlock to ensure index doesn't change while it gets |
| 600 | * dereferenced multiple times within a spinlock block elsewhere. |
| 601 | */ |
| 602 | spin_lock(&drvdata->spinlock); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 603 | config->cntr_idx = val; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 604 | spin_unlock(&drvdata->spinlock); |
| 605 | |
| 606 | return size; |
| 607 | } |
| 608 | static DEVICE_ATTR_RW(cntr_idx); |
| 609 | |
| 610 | static ssize_t cntr_rld_val_show(struct device *dev, |
| 611 | struct device_attribute *attr, char *buf) |
| 612 | { |
| 613 | unsigned long val; |
| 614 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 615 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 616 | |
| 617 | spin_lock(&drvdata->spinlock); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 618 | val = config->cntr_rld_val[config->cntr_idx]; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 619 | spin_unlock(&drvdata->spinlock); |
| 620 | |
| 621 | return sprintf(buf, "%#lx\n", val); |
| 622 | } |
| 623 | |
| 624 | static ssize_t cntr_rld_val_store(struct device *dev, |
| 625 | struct device_attribute *attr, |
| 626 | const char *buf, size_t size) |
| 627 | { |
| 628 | int ret; |
| 629 | unsigned long val; |
| 630 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 631 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 632 | |
| 633 | ret = kstrtoul(buf, 16, &val); |
| 634 | if (ret) |
| 635 | return ret; |
| 636 | |
| 637 | spin_lock(&drvdata->spinlock); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 638 | config->cntr_rld_val[config->cntr_idx] = val; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 639 | spin_unlock(&drvdata->spinlock); |
| 640 | |
| 641 | return size; |
| 642 | } |
| 643 | static DEVICE_ATTR_RW(cntr_rld_val); |
| 644 | |
| 645 | static ssize_t cntr_event_show(struct device *dev, |
| 646 | struct device_attribute *attr, char *buf) |
| 647 | { |
| 648 | unsigned long val; |
| 649 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 650 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 651 | |
| 652 | spin_lock(&drvdata->spinlock); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 653 | val = config->cntr_event[config->cntr_idx]; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 654 | spin_unlock(&drvdata->spinlock); |
| 655 | |
| 656 | return sprintf(buf, "%#lx\n", val); |
| 657 | } |
| 658 | |
| 659 | static ssize_t cntr_event_store(struct device *dev, |
| 660 | struct device_attribute *attr, |
| 661 | const char *buf, size_t size) |
| 662 | { |
| 663 | int ret; |
| 664 | unsigned long val; |
| 665 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 666 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 667 | |
| 668 | ret = kstrtoul(buf, 16, &val); |
| 669 | if (ret) |
| 670 | return ret; |
| 671 | |
| 672 | spin_lock(&drvdata->spinlock); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 673 | config->cntr_event[config->cntr_idx] = val & ETM_EVENT_MASK; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 674 | spin_unlock(&drvdata->spinlock); |
| 675 | |
| 676 | return size; |
| 677 | } |
| 678 | static DEVICE_ATTR_RW(cntr_event); |
| 679 | |
| 680 | static ssize_t cntr_rld_event_show(struct device *dev, |
| 681 | struct device_attribute *attr, char *buf) |
| 682 | { |
| 683 | unsigned long val; |
| 684 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 685 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 686 | |
| 687 | spin_lock(&drvdata->spinlock); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 688 | val = config->cntr_rld_event[config->cntr_idx]; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 689 | spin_unlock(&drvdata->spinlock); |
| 690 | |
| 691 | return sprintf(buf, "%#lx\n", val); |
| 692 | } |
| 693 | |
| 694 | static ssize_t cntr_rld_event_store(struct device *dev, |
| 695 | struct device_attribute *attr, |
| 696 | const char *buf, size_t size) |
| 697 | { |
| 698 | int ret; |
| 699 | unsigned long val; |
| 700 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 701 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 702 | |
| 703 | ret = kstrtoul(buf, 16, &val); |
| 704 | if (ret) |
| 705 | return ret; |
| 706 | |
| 707 | spin_lock(&drvdata->spinlock); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 708 | config->cntr_rld_event[config->cntr_idx] = val & ETM_EVENT_MASK; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 709 | spin_unlock(&drvdata->spinlock); |
| 710 | |
| 711 | return size; |
| 712 | } |
| 713 | static DEVICE_ATTR_RW(cntr_rld_event); |
| 714 | |
| 715 | static ssize_t cntr_val_show(struct device *dev, |
| 716 | struct device_attribute *attr, char *buf) |
| 717 | { |
| 718 | int i, ret = 0; |
| 719 | u32 val; |
| 720 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 721 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 722 | |
Mathieu Poirier | 22fd532 | 2016-02-17 17:51:52 -0700 | [diff] [blame] | 723 | if (!local_read(&drvdata->mode)) { |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 724 | spin_lock(&drvdata->spinlock); |
| 725 | for (i = 0; i < drvdata->nr_cntr; i++) |
| 726 | ret += sprintf(buf, "counter %d: %x\n", |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 727 | i, config->cntr_val[i]); |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 728 | spin_unlock(&drvdata->spinlock); |
| 729 | return ret; |
| 730 | } |
| 731 | |
| 732 | for (i = 0; i < drvdata->nr_cntr; i++) { |
| 733 | val = etm_readl(drvdata, ETMCNTVRn(i)); |
| 734 | ret += sprintf(buf, "counter %d: %x\n", i, val); |
| 735 | } |
| 736 | |
| 737 | return ret; |
| 738 | } |
| 739 | |
| 740 | static ssize_t cntr_val_store(struct device *dev, |
| 741 | struct device_attribute *attr, |
| 742 | const char *buf, size_t size) |
| 743 | { |
| 744 | int ret; |
| 745 | unsigned long val; |
| 746 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 747 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 748 | |
| 749 | ret = kstrtoul(buf, 16, &val); |
| 750 | if (ret) |
| 751 | return ret; |
| 752 | |
| 753 | spin_lock(&drvdata->spinlock); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 754 | config->cntr_val[config->cntr_idx] = val; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 755 | spin_unlock(&drvdata->spinlock); |
| 756 | |
| 757 | return size; |
| 758 | } |
| 759 | static DEVICE_ATTR_RW(cntr_val); |
| 760 | |
| 761 | static ssize_t seq_12_event_show(struct device *dev, |
| 762 | struct device_attribute *attr, char *buf) |
| 763 | { |
| 764 | unsigned long val; |
| 765 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 766 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 767 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 768 | val = config->seq_12_event; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 769 | return sprintf(buf, "%#lx\n", val); |
| 770 | } |
| 771 | |
| 772 | static ssize_t seq_12_event_store(struct device *dev, |
| 773 | struct device_attribute *attr, |
| 774 | const char *buf, size_t size) |
| 775 | { |
| 776 | int ret; |
| 777 | unsigned long val; |
| 778 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 779 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 780 | |
| 781 | ret = kstrtoul(buf, 16, &val); |
| 782 | if (ret) |
| 783 | return ret; |
| 784 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 785 | config->seq_12_event = val & ETM_EVENT_MASK; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 786 | return size; |
| 787 | } |
| 788 | static DEVICE_ATTR_RW(seq_12_event); |
| 789 | |
| 790 | static ssize_t seq_21_event_show(struct device *dev, |
| 791 | struct device_attribute *attr, char *buf) |
| 792 | { |
| 793 | unsigned long val; |
| 794 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 795 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 796 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 797 | val = config->seq_21_event; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 798 | return sprintf(buf, "%#lx\n", val); |
| 799 | } |
| 800 | |
| 801 | static ssize_t seq_21_event_store(struct device *dev, |
| 802 | struct device_attribute *attr, |
| 803 | const char *buf, size_t size) |
| 804 | { |
| 805 | int ret; |
| 806 | unsigned long val; |
| 807 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 808 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 809 | |
| 810 | ret = kstrtoul(buf, 16, &val); |
| 811 | if (ret) |
| 812 | return ret; |
| 813 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 814 | config->seq_21_event = val & ETM_EVENT_MASK; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 815 | return size; |
| 816 | } |
| 817 | static DEVICE_ATTR_RW(seq_21_event); |
| 818 | |
| 819 | static ssize_t seq_23_event_show(struct device *dev, |
| 820 | struct device_attribute *attr, char *buf) |
| 821 | { |
| 822 | unsigned long val; |
| 823 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 824 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 825 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 826 | val = config->seq_23_event; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 827 | return sprintf(buf, "%#lx\n", val); |
| 828 | } |
| 829 | |
| 830 | static ssize_t seq_23_event_store(struct device *dev, |
| 831 | struct device_attribute *attr, |
| 832 | const char *buf, size_t size) |
| 833 | { |
| 834 | int ret; |
| 835 | unsigned long val; |
| 836 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 837 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 838 | |
| 839 | ret = kstrtoul(buf, 16, &val); |
| 840 | if (ret) |
| 841 | return ret; |
| 842 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 843 | config->seq_23_event = val & ETM_EVENT_MASK; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 844 | return size; |
| 845 | } |
| 846 | static DEVICE_ATTR_RW(seq_23_event); |
| 847 | |
| 848 | static ssize_t seq_31_event_show(struct device *dev, |
| 849 | struct device_attribute *attr, char *buf) |
| 850 | { |
| 851 | unsigned long val; |
| 852 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 853 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 854 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 855 | val = config->seq_31_event; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 856 | return sprintf(buf, "%#lx\n", val); |
| 857 | } |
| 858 | |
| 859 | static ssize_t seq_31_event_store(struct device *dev, |
| 860 | struct device_attribute *attr, |
| 861 | const char *buf, size_t size) |
| 862 | { |
| 863 | int ret; |
| 864 | unsigned long val; |
| 865 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 866 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 867 | |
| 868 | ret = kstrtoul(buf, 16, &val); |
| 869 | if (ret) |
| 870 | return ret; |
| 871 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 872 | config->seq_31_event = val & ETM_EVENT_MASK; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 873 | return size; |
| 874 | } |
| 875 | static DEVICE_ATTR_RW(seq_31_event); |
| 876 | |
| 877 | static ssize_t seq_32_event_show(struct device *dev, |
| 878 | struct device_attribute *attr, char *buf) |
| 879 | { |
| 880 | unsigned long val; |
| 881 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 882 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 883 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 884 | val = config->seq_32_event; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 885 | return sprintf(buf, "%#lx\n", val); |
| 886 | } |
| 887 | |
| 888 | static ssize_t seq_32_event_store(struct device *dev, |
| 889 | struct device_attribute *attr, |
| 890 | const char *buf, size_t size) |
| 891 | { |
| 892 | int ret; |
| 893 | unsigned long val; |
| 894 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 895 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 896 | |
| 897 | ret = kstrtoul(buf, 16, &val); |
| 898 | if (ret) |
| 899 | return ret; |
| 900 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 901 | config->seq_32_event = val & ETM_EVENT_MASK; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 902 | return size; |
| 903 | } |
| 904 | static DEVICE_ATTR_RW(seq_32_event); |
| 905 | |
| 906 | static ssize_t seq_13_event_show(struct device *dev, |
| 907 | struct device_attribute *attr, char *buf) |
| 908 | { |
| 909 | unsigned long val; |
| 910 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 911 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 912 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 913 | val = config->seq_13_event; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 914 | return sprintf(buf, "%#lx\n", val); |
| 915 | } |
| 916 | |
| 917 | static ssize_t seq_13_event_store(struct device *dev, |
| 918 | struct device_attribute *attr, |
| 919 | const char *buf, size_t size) |
| 920 | { |
| 921 | int ret; |
| 922 | unsigned long val; |
| 923 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 924 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 925 | |
| 926 | ret = kstrtoul(buf, 16, &val); |
| 927 | if (ret) |
| 928 | return ret; |
| 929 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 930 | config->seq_13_event = val & ETM_EVENT_MASK; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 931 | return size; |
| 932 | } |
| 933 | static DEVICE_ATTR_RW(seq_13_event); |
| 934 | |
| 935 | static ssize_t seq_curr_state_show(struct device *dev, |
| 936 | struct device_attribute *attr, char *buf) |
| 937 | { |
| 938 | unsigned long val, flags; |
| 939 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 940 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 941 | |
Mathieu Poirier | 22fd532 | 2016-02-17 17:51:52 -0700 | [diff] [blame] | 942 | if (!local_read(&drvdata->mode)) { |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 943 | val = config->seq_curr_state; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 944 | goto out; |
| 945 | } |
| 946 | |
| 947 | pm_runtime_get_sync(drvdata->dev); |
| 948 | spin_lock_irqsave(&drvdata->spinlock, flags); |
| 949 | |
| 950 | CS_UNLOCK(drvdata->base); |
| 951 | val = (etm_readl(drvdata, ETMSQR) & ETM_SQR_MASK); |
| 952 | CS_LOCK(drvdata->base); |
| 953 | |
| 954 | spin_unlock_irqrestore(&drvdata->spinlock, flags); |
| 955 | pm_runtime_put(drvdata->dev); |
| 956 | out: |
| 957 | return sprintf(buf, "%#lx\n", val); |
| 958 | } |
| 959 | |
| 960 | static ssize_t seq_curr_state_store(struct device *dev, |
| 961 | struct device_attribute *attr, |
| 962 | const char *buf, size_t size) |
| 963 | { |
| 964 | int ret; |
| 965 | unsigned long val; |
| 966 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 967 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 968 | |
| 969 | ret = kstrtoul(buf, 16, &val); |
| 970 | if (ret) |
| 971 | return ret; |
| 972 | |
| 973 | if (val > ETM_SEQ_STATE_MAX_VAL) |
| 974 | return -EINVAL; |
| 975 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 976 | config->seq_curr_state = val; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 977 | |
| 978 | return size; |
| 979 | } |
| 980 | static DEVICE_ATTR_RW(seq_curr_state); |
| 981 | |
| 982 | static ssize_t ctxid_idx_show(struct device *dev, |
| 983 | struct device_attribute *attr, char *buf) |
| 984 | { |
| 985 | unsigned long val; |
| 986 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 987 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 988 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 989 | val = config->ctxid_idx; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 990 | return sprintf(buf, "%#lx\n", val); |
| 991 | } |
| 992 | |
| 993 | static ssize_t ctxid_idx_store(struct device *dev, |
| 994 | struct device_attribute *attr, |
| 995 | const char *buf, size_t size) |
| 996 | { |
| 997 | int ret; |
| 998 | unsigned long val; |
| 999 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 1000 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 1001 | |
| 1002 | ret = kstrtoul(buf, 16, &val); |
| 1003 | if (ret) |
| 1004 | return ret; |
| 1005 | |
| 1006 | if (val >= drvdata->nr_ctxid_cmp) |
| 1007 | return -EINVAL; |
| 1008 | |
| 1009 | /* |
| 1010 | * Use spinlock to ensure index doesn't change while it gets |
| 1011 | * dereferenced multiple times within a spinlock block elsewhere. |
| 1012 | */ |
| 1013 | spin_lock(&drvdata->spinlock); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 1014 | config->ctxid_idx = val; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 1015 | spin_unlock(&drvdata->spinlock); |
| 1016 | |
| 1017 | return size; |
| 1018 | } |
| 1019 | static DEVICE_ATTR_RW(ctxid_idx); |
| 1020 | |
| 1021 | static ssize_t ctxid_pid_show(struct device *dev, |
| 1022 | struct device_attribute *attr, char *buf) |
| 1023 | { |
| 1024 | unsigned long val; |
| 1025 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 1026 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 1027 | |
| 1028 | spin_lock(&drvdata->spinlock); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 1029 | val = config->ctxid_vpid[config->ctxid_idx]; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 1030 | spin_unlock(&drvdata->spinlock); |
| 1031 | |
| 1032 | return sprintf(buf, "%#lx\n", val); |
| 1033 | } |
| 1034 | |
| 1035 | static ssize_t ctxid_pid_store(struct device *dev, |
| 1036 | struct device_attribute *attr, |
| 1037 | const char *buf, size_t size) |
| 1038 | { |
| 1039 | int ret; |
| 1040 | unsigned long vpid, pid; |
| 1041 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 1042 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 1043 | |
| 1044 | ret = kstrtoul(buf, 16, &vpid); |
| 1045 | if (ret) |
| 1046 | return ret; |
| 1047 | |
| 1048 | pid = coresight_vpid_to_pid(vpid); |
| 1049 | |
| 1050 | spin_lock(&drvdata->spinlock); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 1051 | config->ctxid_pid[config->ctxid_idx] = pid; |
| 1052 | config->ctxid_vpid[config->ctxid_idx] = vpid; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 1053 | spin_unlock(&drvdata->spinlock); |
| 1054 | |
| 1055 | return size; |
| 1056 | } |
| 1057 | static DEVICE_ATTR_RW(ctxid_pid); |
| 1058 | |
| 1059 | static ssize_t ctxid_mask_show(struct device *dev, |
| 1060 | struct device_attribute *attr, char *buf) |
| 1061 | { |
| 1062 | unsigned long val; |
| 1063 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 1064 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 1065 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 1066 | val = config->ctxid_mask; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 1067 | return sprintf(buf, "%#lx\n", val); |
| 1068 | } |
| 1069 | |
| 1070 | static ssize_t ctxid_mask_store(struct device *dev, |
| 1071 | struct device_attribute *attr, |
| 1072 | const char *buf, size_t size) |
| 1073 | { |
| 1074 | int ret; |
| 1075 | unsigned long val; |
| 1076 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 1077 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 1078 | |
| 1079 | ret = kstrtoul(buf, 16, &val); |
| 1080 | if (ret) |
| 1081 | return ret; |
| 1082 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 1083 | config->ctxid_mask = val; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 1084 | return size; |
| 1085 | } |
| 1086 | static DEVICE_ATTR_RW(ctxid_mask); |
| 1087 | |
| 1088 | static ssize_t sync_freq_show(struct device *dev, |
| 1089 | struct device_attribute *attr, char *buf) |
| 1090 | { |
| 1091 | unsigned long val; |
| 1092 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 1093 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 1094 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 1095 | val = config->sync_freq; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 1096 | return sprintf(buf, "%#lx\n", val); |
| 1097 | } |
| 1098 | |
| 1099 | static ssize_t sync_freq_store(struct device *dev, |
| 1100 | struct device_attribute *attr, |
| 1101 | const char *buf, size_t size) |
| 1102 | { |
| 1103 | int ret; |
| 1104 | unsigned long val; |
| 1105 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 1106 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 1107 | |
| 1108 | ret = kstrtoul(buf, 16, &val); |
| 1109 | if (ret) |
| 1110 | return ret; |
| 1111 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 1112 | config->sync_freq = val & ETM_SYNC_MASK; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 1113 | return size; |
| 1114 | } |
| 1115 | static DEVICE_ATTR_RW(sync_freq); |
| 1116 | |
| 1117 | static ssize_t timestamp_event_show(struct device *dev, |
| 1118 | struct device_attribute *attr, char *buf) |
| 1119 | { |
| 1120 | unsigned long val; |
| 1121 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 1122 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 1123 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 1124 | val = config->timestamp_event; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 1125 | return sprintf(buf, "%#lx\n", val); |
| 1126 | } |
| 1127 | |
| 1128 | static ssize_t timestamp_event_store(struct device *dev, |
| 1129 | struct device_attribute *attr, |
| 1130 | const char *buf, size_t size) |
| 1131 | { |
| 1132 | int ret; |
| 1133 | unsigned long val; |
| 1134 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 1135 | struct etm_config *config = &drvdata->config; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 1136 | |
| 1137 | ret = kstrtoul(buf, 16, &val); |
| 1138 | if (ret) |
| 1139 | return ret; |
| 1140 | |
Mathieu Poirier | 1925a47 | 2016-02-17 17:51:51 -0700 | [diff] [blame] | 1141 | config->timestamp_event = val & ETM_EVENT_MASK; |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 1142 | return size; |
| 1143 | } |
| 1144 | static DEVICE_ATTR_RW(timestamp_event); |
| 1145 | |
| 1146 | static ssize_t cpu_show(struct device *dev, |
| 1147 | struct device_attribute *attr, char *buf) |
| 1148 | { |
| 1149 | int val; |
| 1150 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
| 1151 | |
| 1152 | val = drvdata->cpu; |
| 1153 | return scnprintf(buf, PAGE_SIZE, "%d\n", val); |
| 1154 | |
| 1155 | } |
| 1156 | static DEVICE_ATTR_RO(cpu); |
| 1157 | |
| 1158 | static ssize_t traceid_show(struct device *dev, |
| 1159 | struct device_attribute *attr, char *buf) |
| 1160 | { |
| 1161 | unsigned long val; |
| 1162 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
| 1163 | |
| 1164 | val = etm_get_trace_id(drvdata); |
| 1165 | |
| 1166 | return sprintf(buf, "%#lx\n", val); |
| 1167 | } |
| 1168 | |
| 1169 | static ssize_t traceid_store(struct device *dev, |
| 1170 | struct device_attribute *attr, |
| 1171 | const char *buf, size_t size) |
| 1172 | { |
| 1173 | int ret; |
| 1174 | unsigned long val; |
| 1175 | struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); |
| 1176 | |
| 1177 | ret = kstrtoul(buf, 16, &val); |
| 1178 | if (ret) |
| 1179 | return ret; |
| 1180 | |
| 1181 | drvdata->traceid = val & ETM_TRACEID_MASK; |
| 1182 | return size; |
| 1183 | } |
| 1184 | static DEVICE_ATTR_RW(traceid); |
| 1185 | |
| 1186 | static struct attribute *coresight_etm_attrs[] = { |
| 1187 | &dev_attr_nr_addr_cmp.attr, |
| 1188 | &dev_attr_nr_cntr.attr, |
| 1189 | &dev_attr_nr_ctxid_cmp.attr, |
| 1190 | &dev_attr_etmsr.attr, |
| 1191 | &dev_attr_reset.attr, |
| 1192 | &dev_attr_mode.attr, |
| 1193 | &dev_attr_trigger_event.attr, |
| 1194 | &dev_attr_enable_event.attr, |
| 1195 | &dev_attr_fifofull_level.attr, |
| 1196 | &dev_attr_addr_idx.attr, |
| 1197 | &dev_attr_addr_single.attr, |
| 1198 | &dev_attr_addr_range.attr, |
| 1199 | &dev_attr_addr_start.attr, |
| 1200 | &dev_attr_addr_stop.attr, |
| 1201 | &dev_attr_addr_acctype.attr, |
| 1202 | &dev_attr_cntr_idx.attr, |
| 1203 | &dev_attr_cntr_rld_val.attr, |
| 1204 | &dev_attr_cntr_event.attr, |
| 1205 | &dev_attr_cntr_rld_event.attr, |
| 1206 | &dev_attr_cntr_val.attr, |
| 1207 | &dev_attr_seq_12_event.attr, |
| 1208 | &dev_attr_seq_21_event.attr, |
| 1209 | &dev_attr_seq_23_event.attr, |
| 1210 | &dev_attr_seq_31_event.attr, |
| 1211 | &dev_attr_seq_32_event.attr, |
| 1212 | &dev_attr_seq_13_event.attr, |
| 1213 | &dev_attr_seq_curr_state.attr, |
| 1214 | &dev_attr_ctxid_idx.attr, |
| 1215 | &dev_attr_ctxid_pid.attr, |
| 1216 | &dev_attr_ctxid_mask.attr, |
| 1217 | &dev_attr_sync_freq.attr, |
| 1218 | &dev_attr_timestamp_event.attr, |
| 1219 | &dev_attr_traceid.attr, |
| 1220 | &dev_attr_cpu.attr, |
| 1221 | NULL, |
| 1222 | }; |
| 1223 | |
Mathieu Poirier | 154f3520 | 2016-04-05 11:53:50 -0600 | [diff] [blame] | 1224 | #define coresight_etm3x_simple_func(name, offset) \ |
| 1225 | coresight_simple_func(struct etm_drvdata, name, offset) |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 1226 | |
Mathieu Poirier | 154f3520 | 2016-04-05 11:53:50 -0600 | [diff] [blame] | 1227 | coresight_etm3x_simple_func(etmccr, ETMCCR); |
| 1228 | coresight_etm3x_simple_func(etmccer, ETMCCER); |
| 1229 | coresight_etm3x_simple_func(etmscr, ETMSCR); |
| 1230 | coresight_etm3x_simple_func(etmidr, ETMIDR); |
| 1231 | coresight_etm3x_simple_func(etmcr, ETMCR); |
| 1232 | coresight_etm3x_simple_func(etmtraceidr, ETMTRACEIDR); |
| 1233 | coresight_etm3x_simple_func(etmteevr, ETMTEEVR); |
| 1234 | coresight_etm3x_simple_func(etmtssvr, ETMTSSCR); |
| 1235 | coresight_etm3x_simple_func(etmtecr1, ETMTECR1); |
| 1236 | coresight_etm3x_simple_func(etmtecr2, ETMTECR2); |
Mathieu Poirier | c04148e | 2016-02-17 17:51:49 -0700 | [diff] [blame] | 1237 | |
| 1238 | static struct attribute *coresight_etm_mgmt_attrs[] = { |
| 1239 | &dev_attr_etmccr.attr, |
| 1240 | &dev_attr_etmccer.attr, |
| 1241 | &dev_attr_etmscr.attr, |
| 1242 | &dev_attr_etmidr.attr, |
| 1243 | &dev_attr_etmcr.attr, |
| 1244 | &dev_attr_etmtraceidr.attr, |
| 1245 | &dev_attr_etmteevr.attr, |
| 1246 | &dev_attr_etmtssvr.attr, |
| 1247 | &dev_attr_etmtecr1.attr, |
| 1248 | &dev_attr_etmtecr2.attr, |
| 1249 | NULL, |
| 1250 | }; |
| 1251 | |
| 1252 | static const struct attribute_group coresight_etm_group = { |
| 1253 | .attrs = coresight_etm_attrs, |
| 1254 | }; |
| 1255 | |
| 1256 | static const struct attribute_group coresight_etm_mgmt_group = { |
| 1257 | .attrs = coresight_etm_mgmt_attrs, |
| 1258 | .name = "mgmt", |
| 1259 | }; |
| 1260 | |
| 1261 | const struct attribute_group *coresight_etm_groups[] = { |
| 1262 | &coresight_etm_group, |
| 1263 | &coresight_etm_mgmt_group, |
| 1264 | NULL, |
| 1265 | }; |