Yuanyuan Liu | d5ec14c | 2019-01-03 11:25:40 -0800 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0-only |
| 2 | /* Copyright (c) 2018-2019, The Linux Foundation. All rights reserved. */ |
| 3 | |
| 4 | #include "bus.h" |
| 5 | #include "debug.h" |
| 6 | #include "pci.h" |
| 7 | |
| 8 | enum cnss_dev_bus_type cnss_get_dev_bus_type(struct device *dev) |
| 9 | { |
| 10 | if (!dev) |
| 11 | return CNSS_BUS_NONE; |
| 12 | |
| 13 | if (!dev->bus) |
| 14 | return CNSS_BUS_NONE; |
| 15 | |
| 16 | if (memcmp(dev->bus->name, "pci", 3) == 0) |
| 17 | return CNSS_BUS_PCI; |
| 18 | else |
| 19 | return CNSS_BUS_NONE; |
| 20 | } |
| 21 | |
| 22 | enum cnss_dev_bus_type cnss_get_bus_type(unsigned long device_id) |
| 23 | { |
| 24 | switch (device_id) { |
| 25 | case QCA6174_DEVICE_ID: |
| 26 | case QCA6290_DEVICE_ID: |
| 27 | case QCA6390_DEVICE_ID: |
| 28 | return CNSS_BUS_PCI; |
| 29 | default: |
| 30 | cnss_pr_err("Unknown device_id: 0x%lx\n", device_id); |
| 31 | return CNSS_BUS_NONE; |
| 32 | } |
| 33 | } |
| 34 | |
| 35 | void *cnss_bus_dev_to_bus_priv(struct device *dev) |
| 36 | { |
| 37 | if (!dev) |
| 38 | return NULL; |
| 39 | |
| 40 | switch (cnss_get_dev_bus_type(dev)) { |
| 41 | case CNSS_BUS_PCI: |
| 42 | return cnss_get_pci_priv(to_pci_dev(dev)); |
| 43 | default: |
| 44 | return NULL; |
| 45 | } |
| 46 | } |
| 47 | |
| 48 | struct cnss_plat_data *cnss_bus_dev_to_plat_priv(struct device *dev) |
| 49 | { |
| 50 | void *bus_priv; |
| 51 | |
| 52 | if (!dev) |
| 53 | return cnss_get_plat_priv(NULL); |
| 54 | |
| 55 | bus_priv = cnss_bus_dev_to_bus_priv(dev); |
| 56 | if (!bus_priv) |
| 57 | return NULL; |
| 58 | |
| 59 | switch (cnss_get_dev_bus_type(dev)) { |
| 60 | case CNSS_BUS_PCI: |
| 61 | return cnss_pci_priv_to_plat_priv(bus_priv); |
| 62 | default: |
| 63 | return NULL; |
| 64 | } |
| 65 | } |
| 66 | |
| 67 | int cnss_bus_init(struct cnss_plat_data *plat_priv) |
| 68 | { |
| 69 | if (!plat_priv) |
| 70 | return -ENODEV; |
| 71 | |
| 72 | switch (plat_priv->bus_type) { |
| 73 | case CNSS_BUS_PCI: |
| 74 | return cnss_pci_init(plat_priv); |
| 75 | default: |
| 76 | cnss_pr_err("Unsupported bus type: %d\n", |
| 77 | plat_priv->bus_type); |
| 78 | return -EINVAL; |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | void cnss_bus_deinit(struct cnss_plat_data *plat_priv) |
| 83 | { |
| 84 | if (!plat_priv) |
| 85 | return; |
| 86 | |
| 87 | switch (plat_priv->bus_type) { |
| 88 | case CNSS_BUS_PCI: |
| 89 | cnss_pci_deinit(plat_priv); |
| 90 | default: |
| 91 | cnss_pr_err("Unsupported bus type: %d\n", |
| 92 | plat_priv->bus_type); |
| 93 | return; |
| 94 | } |
| 95 | } |
| 96 | |
| 97 | int cnss_bus_load_m3(struct cnss_plat_data *plat_priv) |
| 98 | { |
| 99 | if (!plat_priv) |
| 100 | return -ENODEV; |
| 101 | |
| 102 | switch (plat_priv->bus_type) { |
| 103 | case CNSS_BUS_PCI: |
| 104 | return cnss_pci_load_m3(plat_priv->bus_priv); |
| 105 | default: |
| 106 | cnss_pr_err("Unsupported bus type: %d\n", |
| 107 | plat_priv->bus_type); |
| 108 | return -EINVAL; |
| 109 | } |
| 110 | } |
| 111 | |
| 112 | int cnss_bus_alloc_fw_mem(struct cnss_plat_data *plat_priv) |
| 113 | { |
| 114 | if (!plat_priv) |
| 115 | return -ENODEV; |
| 116 | |
| 117 | switch (plat_priv->bus_type) { |
| 118 | case CNSS_BUS_PCI: |
| 119 | return cnss_pci_alloc_fw_mem(plat_priv->bus_priv); |
| 120 | default: |
| 121 | cnss_pr_err("Unsupported bus type: %d\n", |
| 122 | plat_priv->bus_type); |
| 123 | return -EINVAL; |
| 124 | } |
| 125 | } |
| 126 | |
Yuanyuan Liu | 36d1fba | 2019-01-02 14:13:15 -0800 | [diff] [blame] | 127 | int cnss_bus_alloc_qdss_mem(struct cnss_plat_data *plat_priv) |
| 128 | { |
| 129 | if (!plat_priv) |
| 130 | return -ENODEV; |
| 131 | |
| 132 | switch (plat_priv->bus_type) { |
| 133 | case CNSS_BUS_PCI: |
| 134 | return cnss_pci_alloc_qdss_mem(plat_priv->bus_priv); |
| 135 | default: |
| 136 | cnss_pr_err("Unsupported bus type: %d\n", |
| 137 | plat_priv->bus_type); |
| 138 | return -EINVAL; |
| 139 | } |
| 140 | } |
| 141 | |
| 142 | void cnss_bus_free_qdss_mem(struct cnss_plat_data *plat_priv) |
| 143 | { |
| 144 | if (!plat_priv) |
| 145 | return; |
| 146 | |
| 147 | switch (plat_priv->bus_type) { |
| 148 | case CNSS_BUS_PCI: |
| 149 | cnss_pci_free_qdss_mem(plat_priv->bus_priv); |
| 150 | return; |
| 151 | default: |
| 152 | cnss_pr_err("Unsupported bus type: %d\n", |
| 153 | plat_priv->bus_type); |
| 154 | return; |
| 155 | } |
| 156 | } |
| 157 | |
Yuanyuan Liu | d5ec14c | 2019-01-03 11:25:40 -0800 | [diff] [blame] | 158 | u32 cnss_bus_get_wake_irq(struct cnss_plat_data *plat_priv) |
| 159 | { |
| 160 | if (!plat_priv) |
| 161 | return -ENODEV; |
| 162 | |
| 163 | switch (plat_priv->bus_type) { |
| 164 | case CNSS_BUS_PCI: |
| 165 | return cnss_pci_get_wake_msi(plat_priv->bus_priv); |
| 166 | default: |
| 167 | cnss_pr_err("Unsupported bus type: %d\n", |
| 168 | plat_priv->bus_type); |
| 169 | return -EINVAL; |
| 170 | } |
| 171 | } |
| 172 | |
| 173 | int cnss_bus_force_fw_assert_hdlr(struct cnss_plat_data *plat_priv) |
| 174 | { |
| 175 | if (!plat_priv) |
| 176 | return -ENODEV; |
| 177 | |
| 178 | switch (plat_priv->bus_type) { |
| 179 | case CNSS_BUS_PCI: |
| 180 | return cnss_pci_force_fw_assert_hdlr(plat_priv->bus_priv); |
| 181 | default: |
| 182 | cnss_pr_err("Unsupported bus type: %d\n", |
| 183 | plat_priv->bus_type); |
| 184 | return -EINVAL; |
| 185 | } |
| 186 | } |
| 187 | |
Yuanyuan Liu | 3f81313 | 2019-01-15 15:12:46 -0800 | [diff] [blame] | 188 | void cnss_bus_fw_boot_timeout_hdlr(struct timer_list *t) |
Yuanyuan Liu | d5ec14c | 2019-01-03 11:25:40 -0800 | [diff] [blame] | 189 | { |
Yuanyuan Liu | 3f81313 | 2019-01-15 15:12:46 -0800 | [diff] [blame] | 190 | struct cnss_plat_data *plat_priv = |
| 191 | from_timer(plat_priv, t, fw_boot_timer); |
Yuanyuan Liu | d5ec14c | 2019-01-03 11:25:40 -0800 | [diff] [blame] | 192 | |
| 193 | if (!plat_priv) |
| 194 | return; |
| 195 | |
| 196 | switch (plat_priv->bus_type) { |
| 197 | case CNSS_BUS_PCI: |
| 198 | return cnss_pci_fw_boot_timeout_hdlr(plat_priv->bus_priv); |
| 199 | default: |
| 200 | cnss_pr_err("Unsupported bus type: %d\n", |
| 201 | plat_priv->bus_type); |
| 202 | return; |
| 203 | } |
| 204 | } |
| 205 | |
| 206 | void cnss_bus_collect_dump_info(struct cnss_plat_data *plat_priv, bool in_panic) |
| 207 | { |
| 208 | if (!plat_priv) |
| 209 | return; |
| 210 | |
| 211 | switch (plat_priv->bus_type) { |
| 212 | case CNSS_BUS_PCI: |
| 213 | return cnss_pci_collect_dump_info(plat_priv->bus_priv, |
| 214 | in_panic); |
| 215 | default: |
| 216 | cnss_pr_err("Unsupported bus type: %d\n", |
| 217 | plat_priv->bus_type); |
| 218 | return; |
| 219 | } |
| 220 | } |
| 221 | |
| 222 | int cnss_bus_call_driver_probe(struct cnss_plat_data *plat_priv) |
| 223 | { |
| 224 | if (!plat_priv) |
| 225 | return -ENODEV; |
| 226 | |
| 227 | switch (plat_priv->bus_type) { |
| 228 | case CNSS_BUS_PCI: |
| 229 | return cnss_pci_call_driver_probe(plat_priv->bus_priv); |
| 230 | default: |
| 231 | cnss_pr_err("Unsupported bus type: %d\n", |
| 232 | plat_priv->bus_type); |
| 233 | return -EINVAL; |
| 234 | } |
| 235 | } |
| 236 | |
| 237 | int cnss_bus_call_driver_remove(struct cnss_plat_data *plat_priv) |
| 238 | { |
| 239 | if (!plat_priv) |
| 240 | return -ENODEV; |
| 241 | |
| 242 | switch (plat_priv->bus_type) { |
| 243 | case CNSS_BUS_PCI: |
| 244 | return cnss_pci_call_driver_remove(plat_priv->bus_priv); |
| 245 | default: |
| 246 | cnss_pr_err("Unsupported bus type: %d\n", |
| 247 | plat_priv->bus_type); |
| 248 | return -EINVAL; |
| 249 | } |
| 250 | } |
| 251 | |
| 252 | int cnss_bus_dev_powerup(struct cnss_plat_data *plat_priv) |
| 253 | { |
| 254 | if (!plat_priv) |
| 255 | return -ENODEV; |
| 256 | |
| 257 | switch (plat_priv->bus_type) { |
| 258 | case CNSS_BUS_PCI: |
| 259 | return cnss_pci_dev_powerup(plat_priv->bus_priv); |
| 260 | default: |
| 261 | cnss_pr_err("Unsupported bus type: %d\n", |
| 262 | plat_priv->bus_type); |
| 263 | return -EINVAL; |
| 264 | } |
| 265 | } |
| 266 | |
| 267 | int cnss_bus_dev_shutdown(struct cnss_plat_data *plat_priv) |
| 268 | { |
| 269 | if (!plat_priv) |
| 270 | return -ENODEV; |
| 271 | |
| 272 | switch (plat_priv->bus_type) { |
| 273 | case CNSS_BUS_PCI: |
| 274 | return cnss_pci_dev_shutdown(plat_priv->bus_priv); |
| 275 | default: |
| 276 | cnss_pr_err("Unsupported bus type: %d\n", |
| 277 | plat_priv->bus_type); |
| 278 | return -EINVAL; |
| 279 | } |
| 280 | } |
| 281 | |
| 282 | int cnss_bus_dev_crash_shutdown(struct cnss_plat_data *plat_priv) |
| 283 | { |
| 284 | if (!plat_priv) |
| 285 | return -ENODEV; |
| 286 | |
| 287 | switch (plat_priv->bus_type) { |
| 288 | case CNSS_BUS_PCI: |
| 289 | return cnss_pci_dev_crash_shutdown(plat_priv->bus_priv); |
| 290 | default: |
| 291 | cnss_pr_err("Unsupported bus type: %d\n", |
| 292 | plat_priv->bus_type); |
| 293 | return -EINVAL; |
| 294 | } |
| 295 | } |
| 296 | |
| 297 | int cnss_bus_dev_ramdump(struct cnss_plat_data *plat_priv) |
| 298 | { |
| 299 | if (!plat_priv) |
| 300 | return -ENODEV; |
| 301 | |
| 302 | switch (plat_priv->bus_type) { |
| 303 | case CNSS_BUS_PCI: |
| 304 | return cnss_pci_dev_ramdump(plat_priv->bus_priv); |
| 305 | default: |
| 306 | cnss_pr_err("Unsupported bus type: %d\n", |
| 307 | plat_priv->bus_type); |
| 308 | return -EINVAL; |
| 309 | } |
| 310 | } |
| 311 | |
| 312 | int cnss_bus_register_driver_hdlr(struct cnss_plat_data *plat_priv, void *data) |
| 313 | { |
| 314 | if (!plat_priv) |
| 315 | return -ENODEV; |
| 316 | |
| 317 | switch (plat_priv->bus_type) { |
| 318 | case CNSS_BUS_PCI: |
| 319 | return cnss_pci_register_driver_hdlr(plat_priv->bus_priv, data); |
| 320 | default: |
| 321 | cnss_pr_err("Unsupported bus type: %d\n", |
| 322 | plat_priv->bus_type); |
| 323 | return -EINVAL; |
| 324 | } |
| 325 | } |
| 326 | |
| 327 | int cnss_bus_unregister_driver_hdlr(struct cnss_plat_data *plat_priv) |
| 328 | { |
| 329 | if (!plat_priv) |
| 330 | return -ENODEV; |
| 331 | |
| 332 | switch (plat_priv->bus_type) { |
| 333 | case CNSS_BUS_PCI: |
| 334 | return cnss_pci_unregister_driver_hdlr(plat_priv->bus_priv); |
| 335 | default: |
| 336 | cnss_pr_err("Unsupported bus type: %d\n", |
| 337 | plat_priv->bus_type); |
| 338 | return -EINVAL; |
| 339 | } |
| 340 | } |
| 341 | |
| 342 | int cnss_bus_call_driver_modem_status(struct cnss_plat_data *plat_priv, |
| 343 | int modem_current_status) |
| 344 | { |
| 345 | if (!plat_priv) |
| 346 | return -ENODEV; |
| 347 | |
| 348 | switch (plat_priv->bus_type) { |
| 349 | case CNSS_BUS_PCI: |
| 350 | return cnss_pci_call_driver_modem_status(plat_priv->bus_priv, |
| 351 | modem_current_status); |
| 352 | default: |
| 353 | cnss_pr_err("Unsupported bus type: %d\n", |
| 354 | plat_priv->bus_type); |
| 355 | return -EINVAL; |
| 356 | } |
| 357 | } |
| 358 | |
| 359 | int cnss_bus_update_status(struct cnss_plat_data *plat_priv, |
| 360 | enum cnss_driver_status status) |
| 361 | { |
| 362 | if (!plat_priv) |
| 363 | return -ENODEV; |
| 364 | |
| 365 | switch (plat_priv->bus_type) { |
| 366 | case CNSS_BUS_PCI: |
| 367 | return cnss_pci_update_status(plat_priv->bus_priv, status); |
| 368 | default: |
| 369 | cnss_pr_err("Unsupported bus type: %d\n", |
| 370 | plat_priv->bus_type); |
| 371 | return -EINVAL; |
| 372 | } |
| 373 | } |