Dixon Peterson | 32e70bb | 2011-12-16 13:26:45 -0800 | [diff] [blame] | 1 | /* Copyright (c) 2008-2012, Code Aurora Forum. All rights reserved. |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 2 | * |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License version 2 and |
| 5 | * only version 2 as published by the Free Software Foundation. |
| 6 | * |
| 7 | * This program is distributed in the hope that it will be useful, |
| 8 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 9 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 10 | * GNU General Public License for more details. |
| 11 | */ |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 12 | #include <linux/slab.h> |
| 13 | #include <linux/init.h> |
| 14 | #include <linux/module.h> |
| 15 | #include <linux/device.h> |
| 16 | #include <linux/err.h> |
| 17 | #include <linux/platform_device.h> |
| 18 | #include <linux/sched.h> |
Dixon Peterson | 6beff2d | 2012-09-13 18:51:47 -0700 | [diff] [blame] | 19 | #include <linux/ratelimit.h> |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 20 | #include <linux/workqueue.h> |
| 21 | #include <linux/pm_runtime.h> |
| 22 | #include <linux/diagchar.h> |
| 23 | #include <linux/delay.h> |
| 24 | #include <linux/reboot.h> |
Dixon Peterson | b4618a4 | 2012-02-29 18:56:31 -0800 | [diff] [blame] | 25 | #include <linux/of.h> |
Dixon Peterson | cc0bea77 | 2012-04-11 20:45:37 -0700 | [diff] [blame] | 26 | #include <linux/kmemleak.h> |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 27 | #ifdef CONFIG_DIAG_OVER_USB |
| 28 | #include <mach/usbdiag.h> |
| 29 | #endif |
| 30 | #include <mach/msm_smd.h> |
| 31 | #include <mach/socinfo.h> |
| 32 | #include <mach/restart.h> |
| 33 | #include "diagmem.h" |
| 34 | #include "diagchar.h" |
| 35 | #include "diagfwd.h" |
| 36 | #include "diagfwd_cntl.h" |
| 37 | #include "diagchar_hdlc.h" |
| 38 | #ifdef CONFIG_DIAG_SDIO_PIPE |
| 39 | #include "diagfwd_sdio.h" |
| 40 | #endif |
Shalabh Jain | 1c99e4c | 2012-03-26 18:47:59 -0700 | [diff] [blame] | 41 | #include "diag_dci.h" |
Dixon Peterson | d6a20a9 | 2012-09-27 15:58:50 -0700 | [diff] [blame^] | 42 | #include "diag_masks.h" |
Shalabh Jain | 1c99e4c | 2012-03-26 18:47:59 -0700 | [diff] [blame] | 43 | |
Shalabh Jain | 6a2ca7c | 2012-04-10 14:35:15 -0700 | [diff] [blame] | 44 | #define MODE_CMD 41 |
| 45 | #define RESET_ID 2 |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 46 | |
| 47 | int diag_debug_buf_idx; |
| 48 | unsigned char diag_debug_buf[1024]; |
| 49 | static unsigned int buf_tbl_size = 8; /*Number of entries in table of buffers */ |
| 50 | struct diag_master_table entry; |
Ashay Jaiswal | 8be3ce8 | 2012-09-13 16:01:54 -0700 | [diff] [blame] | 51 | smd_channel_t *ch_temp = NULL, *chlpass_temp = NULL, *ch_wcnss_temp = NULL; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 52 | struct diag_send_desc_type send = { NULL, NULL, DIAG_STATE_START, 0 }; |
| 53 | struct diag_hdlc_dest_type enc = { NULL, NULL, 0 }; |
Shalabh Jain | 6a2ca7c | 2012-04-10 14:35:15 -0700 | [diff] [blame] | 54 | |
Dixon Peterson | d6a20a9 | 2012-09-27 15:58:50 -0700 | [diff] [blame^] | 55 | void encode_rsp_and_send(int buf_length) |
| 56 | { |
| 57 | send.state = DIAG_STATE_START; |
| 58 | send.pkt = driver->apps_rsp_buf; |
| 59 | send.last = (void *)(driver->apps_rsp_buf + buf_length); |
| 60 | send.terminate = 1; |
| 61 | if (!driver->in_busy_1) { |
| 62 | enc.dest = driver->buf_in_1; |
| 63 | enc.dest_last = (void *)(driver->buf_in_1 + APPS_BUF_SIZE - 1); |
| 64 | diag_hdlc_encode(&send, &enc); |
| 65 | driver->write_ptr_1->buf = driver->buf_in_1; |
| 66 | driver->write_ptr_1->length = (int)(enc.dest - |
| 67 | (void *)(driver->buf_in_1)); |
| 68 | driver->in_busy_1 = 1; |
| 69 | diag_device_write(driver->buf_in_1, MODEM_DATA, |
| 70 | driver->write_ptr_1); |
| 71 | memset(driver->apps_rsp_buf, '\0', APPS_BUF_SIZE); |
| 72 | } |
| 73 | } |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 74 | |
Dixon Peterson | b4618a4 | 2012-02-29 18:56:31 -0800 | [diff] [blame] | 75 | /* Determine if this device uses a device tree */ |
| 76 | #ifdef CONFIG_OF |
| 77 | static int has_device_tree(void) |
| 78 | { |
| 79 | struct device_node *node; |
| 80 | |
| 81 | node = of_find_node_by_path("/"); |
| 82 | if (node) { |
| 83 | of_node_put(node); |
| 84 | return 1; |
| 85 | } |
| 86 | return 0; |
| 87 | } |
| 88 | #else |
| 89 | static int has_device_tree(void) |
| 90 | { |
| 91 | return 0; |
| 92 | } |
| 93 | #endif |
| 94 | |
Shalabh Jain | fb8e3c1 | 2011-10-19 17:29:42 -0700 | [diff] [blame] | 95 | int chk_config_get_id(void) |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 96 | { |
Shalabh Jain | 482bf12 | 2011-12-06 03:54:47 -0800 | [diff] [blame] | 97 | /* For all Fusion targets, Modem will always be present */ |
| 98 | if (machine_is_msm8x60_fusion() || machine_is_msm8x60_fusn_ffa()) |
| 99 | return 0; |
| 100 | |
Dixon Peterson | b4618a4 | 2012-02-29 18:56:31 -0800 | [diff] [blame] | 101 | if (driver->use_device_tree) { |
Abhimanyu Kapur | 90ced6e | 2012-06-26 17:41:25 -0700 | [diff] [blame] | 102 | if (machine_is_msm8974()) |
Dixon Peterson | b4618a4 | 2012-02-29 18:56:31 -0800 | [diff] [blame] | 103 | return MSM8974_TOOLS_ID; |
| 104 | else |
| 105 | return 0; |
| 106 | } else { |
| 107 | switch (socinfo_get_msm_cpu()) { |
| 108 | case MSM_CPU_8X60: |
| 109 | return APQ8060_TOOLS_ID; |
| 110 | case MSM_CPU_8960: |
Stepan Moskovchenko | 9c74926 | 2012-07-09 19:30:44 -0700 | [diff] [blame] | 111 | case MSM_CPU_8960AB: |
Dixon Peterson | b4618a4 | 2012-02-29 18:56:31 -0800 | [diff] [blame] | 112 | return AO8960_TOOLS_ID; |
| 113 | case MSM_CPU_8064: |
| 114 | return APQ8064_TOOLS_ID; |
| 115 | case MSM_CPU_8930: |
Stepan Moskovchenko | 0df9bb2 | 2012-07-06 18:19:15 -0700 | [diff] [blame] | 116 | case MSM_CPU_8930AA: |
Dixon Peterson | b4618a4 | 2012-02-29 18:56:31 -0800 | [diff] [blame] | 117 | return MSM8930_TOOLS_ID; |
Abhimanyu Kapur | 90ced6e | 2012-06-26 17:41:25 -0700 | [diff] [blame] | 118 | case MSM_CPU_8974: |
Dixon Peterson | b4618a4 | 2012-02-29 18:56:31 -0800 | [diff] [blame] | 119 | return MSM8974_TOOLS_ID; |
| 120 | case MSM_CPU_8625: |
| 121 | return MSM8625_TOOLS_ID; |
| 122 | default: |
| 123 | return 0; |
| 124 | } |
Shalabh Jain | fb8e3c1 | 2011-10-19 17:29:42 -0700 | [diff] [blame] | 125 | } |
| 126 | } |
| 127 | |
| 128 | /* |
Shalabh Jain | 321c8b5 | 2012-02-22 12:37:06 -0800 | [diff] [blame] | 129 | * This will return TRUE for targets which support apps only mode and hence SSR. |
Shalabh Jain | fb8e3c1 | 2011-10-19 17:29:42 -0700 | [diff] [blame] | 130 | * This applies to 8960 and newer targets. |
| 131 | */ |
| 132 | int chk_apps_only(void) |
| 133 | { |
Dixon Peterson | b4618a4 | 2012-02-29 18:56:31 -0800 | [diff] [blame] | 134 | if (driver->use_device_tree) |
| 135 | return 1; |
| 136 | |
| 137 | switch (socinfo_get_msm_cpu()) { |
| 138 | case MSM_CPU_8960: |
Stepan Moskovchenko | 9c74926 | 2012-07-09 19:30:44 -0700 | [diff] [blame] | 139 | case MSM_CPU_8960AB: |
Dixon Peterson | b4618a4 | 2012-02-29 18:56:31 -0800 | [diff] [blame] | 140 | case MSM_CPU_8064: |
| 141 | case MSM_CPU_8930: |
Stepan Moskovchenko | 0df9bb2 | 2012-07-06 18:19:15 -0700 | [diff] [blame] | 142 | case MSM_CPU_8930AA: |
Dixon Peterson | b4618a4 | 2012-02-29 18:56:31 -0800 | [diff] [blame] | 143 | case MSM_CPU_8627: |
| 144 | case MSM_CPU_9615: |
Abhimanyu Kapur | 90ced6e | 2012-06-26 17:41:25 -0700 | [diff] [blame] | 145 | case MSM_CPU_8974: |
Shalabh Jain | fb8e3c1 | 2011-10-19 17:29:42 -0700 | [diff] [blame] | 146 | return 1; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 147 | default: |
| 148 | return 0; |
| 149 | } |
| 150 | } |
| 151 | |
Shalabh Jain | 10f5f43 | 2012-01-11 11:45:44 +0530 | [diff] [blame] | 152 | /* |
| 153 | * This will return TRUE for targets which support apps as master. |
| 154 | * Thus, SW DLOAD and Mode Reset are supported on apps processor. |
| 155 | * This applies to 8960 and newer targets. |
| 156 | */ |
| 157 | int chk_apps_master(void) |
| 158 | { |
Dixon Peterson | b4618a4 | 2012-02-29 18:56:31 -0800 | [diff] [blame] | 159 | if (driver->use_device_tree) |
| 160 | return 1; |
Stepan Moskovchenko | 0df9bb2 | 2012-07-06 18:19:15 -0700 | [diff] [blame] | 161 | else if (cpu_is_msm8960() || cpu_is_msm8930() || cpu_is_msm8930aa() || |
Stepan Moskovchenko | 9c74926 | 2012-07-09 19:30:44 -0700 | [diff] [blame] | 162 | cpu_is_msm9615() || cpu_is_apq8064() || cpu_is_msm8627() || |
| 163 | cpu_is_msm8960ab()) |
Dixon Peterson | b4618a4 | 2012-02-29 18:56:31 -0800 | [diff] [blame] | 164 | return 1; |
| 165 | else |
| 166 | return 0; |
| 167 | } |
| 168 | |
Dixon Peterson | 29aebee | 2012-04-06 12:44:08 -0700 | [diff] [blame] | 169 | int chk_polling_response(void) |
Dixon Peterson | b4618a4 | 2012-02-29 18:56:31 -0800 | [diff] [blame] | 170 | { |
| 171 | if (!(driver->polling_reg_flag) && chk_apps_master()) |
| 172 | /* |
| 173 | * If the apps processor is master and no other processor |
| 174 | * has registered to respond for polling |
| 175 | */ |
| 176 | return 1; |
| 177 | else if (!(driver->ch) && !(chk_apps_master())) |
| 178 | /* |
| 179 | * If the apps processor is not the master and the modem |
| 180 | * is not up |
| 181 | */ |
Shalabh Jain | 10f5f43 | 2012-01-11 11:45:44 +0530 | [diff] [blame] | 182 | return 1; |
| 183 | else |
| 184 | return 0; |
| 185 | } |
| 186 | |
Dixon Peterson | 743a11e | 2012-07-30 17:42:20 -0700 | [diff] [blame] | 187 | /* |
| 188 | * This function should be called if you feel that the logging process may |
| 189 | * need to be woken up. For instance, if the logging mode is MEMORY_DEVICE MODE |
| 190 | * and while trying to read data from a SMD data channel there are no buffers |
| 191 | * available to read the data into, then this function should be called to |
| 192 | * determine if the logging process needs to be woken up. |
| 193 | */ |
| 194 | void chk_logging_wakeup(void) |
| 195 | { |
| 196 | int i; |
| 197 | |
| 198 | /* Find the index of the logging process */ |
| 199 | for (i = 0; i < driver->num_clients; i++) |
| 200 | if (driver->client_map[i].pid == |
| 201 | driver->logging_process_id) |
| 202 | break; |
| 203 | |
| 204 | if (i < driver->num_clients) { |
| 205 | /* At very high logging rates a race condition can |
| 206 | * occur where the buffers containing the data from |
| 207 | * an smd channel are all in use, but the data_ready |
| 208 | * flag is cleared. In this case, the buffers never |
| 209 | * have their data read/logged. Detect and remedy this |
| 210 | * situation. |
| 211 | */ |
| 212 | if ((driver->data_ready[i] & USER_SPACE_LOG_TYPE) == 0) { |
| 213 | driver->data_ready[i] |= USER_SPACE_LOG_TYPE; |
| 214 | pr_debug("diag: Force wakeup of logging process\n"); |
| 215 | wake_up_interruptible(&driver->wait_q); |
| 216 | } |
| 217 | } |
| 218 | } |
| 219 | |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 220 | void __diag_smd_send_req(void) |
| 221 | { |
| 222 | void *buf = NULL; |
| 223 | int *in_busy_ptr = NULL; |
| 224 | struct diag_request *write_ptr_modem = NULL; |
| 225 | |
| 226 | if (!driver->in_busy_1) { |
| 227 | buf = driver->buf_in_1; |
| 228 | write_ptr_modem = driver->write_ptr_1; |
| 229 | in_busy_ptr = &(driver->in_busy_1); |
| 230 | } else if (!driver->in_busy_2) { |
| 231 | buf = driver->buf_in_2; |
| 232 | write_ptr_modem = driver->write_ptr_2; |
| 233 | in_busy_ptr = &(driver->in_busy_2); |
| 234 | } |
| 235 | |
| 236 | if (driver->ch && buf) { |
| 237 | int r = smd_read_avail(driver->ch); |
| 238 | |
| 239 | if (r > IN_BUF_SIZE) { |
| 240 | if (r < MAX_IN_BUF_SIZE) { |
| 241 | pr_err("diag: SMD sending in " |
| 242 | "packets upto %d bytes", r); |
| 243 | buf = krealloc(buf, r, GFP_KERNEL); |
| 244 | } else { |
| 245 | pr_err("diag: SMD sending in " |
| 246 | "packets more than %d bytes", MAX_IN_BUF_SIZE); |
| 247 | return; |
| 248 | } |
| 249 | } |
| 250 | if (r > 0) { |
| 251 | if (!buf) |
| 252 | pr_info("Out of diagmem for Modem\n"); |
| 253 | else { |
| 254 | APPEND_DEBUG('i'); |
| 255 | smd_read(driver->ch, buf, r); |
| 256 | APPEND_DEBUG('j'); |
| 257 | write_ptr_modem->length = r; |
| 258 | *in_busy_ptr = 1; |
| 259 | diag_device_write(buf, MODEM_DATA, |
| 260 | write_ptr_modem); |
| 261 | } |
| 262 | } |
Dixon Peterson | 743a11e | 2012-07-30 17:42:20 -0700 | [diff] [blame] | 263 | } else if (driver->ch && !buf && |
| 264 | (driver->logging_mode == MEMORY_DEVICE_MODE)) { |
| 265 | chk_logging_wakeup(); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 266 | } |
| 267 | } |
| 268 | |
| 269 | int diag_device_write(void *buf, int proc_num, struct diag_request *write_ptr) |
| 270 | { |
| 271 | int i, err = 0; |
| 272 | |
| 273 | if (driver->logging_mode == MEMORY_DEVICE_MODE) { |
| 274 | if (proc_num == APPS_DATA) { |
| 275 | for (i = 0; i < driver->poolsize_write_struct; i++) |
| 276 | if (driver->buf_tbl[i].length == 0) { |
| 277 | driver->buf_tbl[i].buf = buf; |
| 278 | driver->buf_tbl[i].length = |
| 279 | driver->used; |
| 280 | #ifdef DIAG_DEBUG |
| 281 | pr_debug("diag: ENQUEUE buf ptr" |
| 282 | " and length is %x , %d\n", |
| 283 | (unsigned int)(driver->buf_ |
| 284 | tbl[i].buf), driver->buf_tbl[i].length); |
| 285 | #endif |
| 286 | break; |
| 287 | } |
| 288 | } |
Dixon Peterson | 938f860 | 2012-08-17 20:02:57 -0700 | [diff] [blame] | 289 | |
| 290 | #ifdef CONFIG_DIAG_BRIDGE_CODE |
| 291 | else if (proc_num == HSIC_DATA) { |
Dixon Peterson | 5db2e3c | 2012-09-06 19:13:14 -0700 | [diff] [blame] | 292 | unsigned long flags; |
| 293 | int foundIndex = -1; |
| 294 | |
| 295 | spin_lock_irqsave(&driver->hsic_spinlock, flags); |
Dixon Peterson | 938f860 | 2012-08-17 20:02:57 -0700 | [diff] [blame] | 296 | for (i = 0; i < driver->poolsize_hsic_write; i++) { |
| 297 | if (driver->hsic_buf_tbl[i].length == 0) { |
| 298 | driver->hsic_buf_tbl[i].buf = buf; |
| 299 | driver->hsic_buf_tbl[i].length = |
| 300 | driver->write_len_mdm; |
| 301 | driver->num_hsic_buf_tbl_entries++; |
Dixon Peterson | 5db2e3c | 2012-09-06 19:13:14 -0700 | [diff] [blame] | 302 | foundIndex = i; |
Dixon Peterson | 938f860 | 2012-08-17 20:02:57 -0700 | [diff] [blame] | 303 | break; |
| 304 | } |
| 305 | } |
Dixon Peterson | 5db2e3c | 2012-09-06 19:13:14 -0700 | [diff] [blame] | 306 | spin_unlock_irqrestore(&driver->hsic_spinlock, flags); |
| 307 | if (foundIndex == -1) |
| 308 | err = -1; |
| 309 | else |
| 310 | pr_debug("diag: ENQUEUE HSIC buf ptr and length is %x , %d\n", |
| 311 | (unsigned int)buf, |
| 312 | driver->write_len_mdm); |
Dixon Peterson | 938f860 | 2012-08-17 20:02:57 -0700 | [diff] [blame] | 313 | } |
| 314 | #endif |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 315 | for (i = 0; i < driver->num_clients; i++) |
| 316 | if (driver->client_map[i].pid == |
| 317 | driver->logging_process_id) |
| 318 | break; |
| 319 | if (i < driver->num_clients) { |
Shalabh Jain | 69890aa | 2011-10-10 12:59:16 -0700 | [diff] [blame] | 320 | driver->data_ready[i] |= USER_SPACE_LOG_TYPE; |
Dixon Peterson | f79b66f | 2012-04-26 13:21:26 -0700 | [diff] [blame] | 321 | pr_debug("diag: wake up logging process\n"); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 322 | wake_up_interruptible(&driver->wait_q); |
| 323 | } else |
| 324 | return -EINVAL; |
| 325 | } else if (driver->logging_mode == NO_LOGGING_MODE) { |
| 326 | if (proc_num == MODEM_DATA) { |
| 327 | driver->in_busy_1 = 0; |
| 328 | driver->in_busy_2 = 0; |
| 329 | queue_work(driver->diag_wq, &(driver-> |
| 330 | diag_read_smd_work)); |
Ashay Jaiswal | 8be3ce8 | 2012-09-13 16:01:54 -0700 | [diff] [blame] | 331 | } else if (proc_num == LPASS_DATA) { |
| 332 | driver->in_busy_lpass_1 = 0; |
| 333 | driver->in_busy_lpass_2 = 0; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 334 | queue_work(driver->diag_wq, &(driver-> |
Ashay Jaiswal | 8be3ce8 | 2012-09-13 16:01:54 -0700 | [diff] [blame] | 335 | diag_read_smd_lpass_work)); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 336 | } else if (proc_num == WCNSS_DATA) { |
Ashay Jaiswal | 2962012 | 2012-03-21 12:02:36 +0530 | [diff] [blame] | 337 | driver->in_busy_wcnss_1 = 0; |
| 338 | driver->in_busy_wcnss_2 = 0; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 339 | queue_work(driver->diag_wq, &(driver-> |
| 340 | diag_read_smd_wcnss_work)); |
| 341 | } |
Shalabh Jain | 482bf12 | 2011-12-06 03:54:47 -0800 | [diff] [blame] | 342 | #ifdef CONFIG_DIAG_SDIO_PIPE |
| 343 | else if (proc_num == SDIO_DATA) { |
| 344 | driver->in_busy_sdio = 0; |
| 345 | queue_work(driver->diag_sdio_wq, |
| 346 | &(driver->diag_read_sdio_work)); |
| 347 | } |
| 348 | #endif |
Shalabh Jain | f7228dc | 2012-05-23 17:32:05 -0700 | [diff] [blame] | 349 | #ifdef CONFIG_DIAG_BRIDGE_CODE |
Dixon Peterson | f79b66f | 2012-04-26 13:21:26 -0700 | [diff] [blame] | 350 | else if (proc_num == HSIC_DATA) { |
Dixon Peterson | f79b66f | 2012-04-26 13:21:26 -0700 | [diff] [blame] | 351 | if (driver->hsic_ch) |
Shalabh Jain | f7228dc | 2012-05-23 17:32:05 -0700 | [diff] [blame] | 352 | queue_work(driver->diag_bridge_wq, |
Dixon Peterson | f79b66f | 2012-04-26 13:21:26 -0700 | [diff] [blame] | 353 | &(driver->diag_read_hsic_work)); |
| 354 | } |
| 355 | #endif |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 356 | err = -1; |
| 357 | } |
| 358 | #ifdef CONFIG_DIAG_OVER_USB |
| 359 | else if (driver->logging_mode == USB_MODE) { |
| 360 | if (proc_num == APPS_DATA) { |
| 361 | driver->write_ptr_svc = (struct diag_request *) |
| 362 | (diagmem_alloc(driver, sizeof(struct diag_request), |
| 363 | POOL_TYPE_WRITE_STRUCT)); |
| 364 | if (driver->write_ptr_svc) { |
| 365 | driver->write_ptr_svc->length = driver->used; |
| 366 | driver->write_ptr_svc->buf = buf; |
| 367 | err = usb_diag_write(driver->legacy_ch, |
| 368 | driver->write_ptr_svc); |
| 369 | } else |
| 370 | err = -1; |
| 371 | } else if (proc_num == MODEM_DATA) { |
| 372 | write_ptr->buf = buf; |
| 373 | #ifdef DIAG_DEBUG |
| 374 | printk(KERN_INFO "writing data to USB," |
| 375 | "pkt length %d\n", write_ptr->length); |
| 376 | print_hex_dump(KERN_DEBUG, "Written Packet Data to" |
| 377 | " USB: ", 16, 1, DUMP_PREFIX_ADDRESS, |
| 378 | buf, write_ptr->length, 1); |
| 379 | #endif /* DIAG DEBUG */ |
| 380 | err = usb_diag_write(driver->legacy_ch, write_ptr); |
Ashay Jaiswal | 8be3ce8 | 2012-09-13 16:01:54 -0700 | [diff] [blame] | 381 | } else if (proc_num == LPASS_DATA) { |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 382 | write_ptr->buf = buf; |
| 383 | err = usb_diag_write(driver->legacy_ch, write_ptr); |
| 384 | } else if (proc_num == WCNSS_DATA) { |
| 385 | write_ptr->buf = buf; |
| 386 | err = usb_diag_write(driver->legacy_ch, write_ptr); |
| 387 | } |
| 388 | #ifdef CONFIG_DIAG_SDIO_PIPE |
| 389 | else if (proc_num == SDIO_DATA) { |
| 390 | if (machine_is_msm8x60_fusion() || |
Shalabh Jain | 482bf12 | 2011-12-06 03:54:47 -0800 | [diff] [blame] | 391 | machine_is_msm8x60_fusn_ffa()) { |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 392 | write_ptr->buf = buf; |
| 393 | err = usb_diag_write(driver->mdm_ch, write_ptr); |
| 394 | } else |
Dixon Peterson | 32e70bb | 2011-12-16 13:26:45 -0800 | [diff] [blame] | 395 | pr_err("diag: Incorrect sdio data " |
| 396 | "while USB write\n"); |
| 397 | } |
| 398 | #endif |
Shalabh Jain | f7228dc | 2012-05-23 17:32:05 -0700 | [diff] [blame] | 399 | #ifdef CONFIG_DIAG_BRIDGE_CODE |
Dixon Peterson | 32e70bb | 2011-12-16 13:26:45 -0800 | [diff] [blame] | 400 | else if (proc_num == HSIC_DATA) { |
| 401 | if (driver->hsic_device_enabled) { |
Dixon Peterson | 938f860 | 2012-08-17 20:02:57 -0700 | [diff] [blame] | 402 | struct diag_request *write_ptr_mdm; |
| 403 | write_ptr_mdm = (struct diag_request *) |
| 404 | diagmem_alloc(driver, |
| 405 | sizeof(struct diag_request), |
| 406 | POOL_TYPE_HSIC_WRITE); |
| 407 | if (write_ptr_mdm) { |
| 408 | write_ptr_mdm->buf = buf; |
| 409 | write_ptr_mdm->length = |
| 410 | driver->write_len_mdm; |
| 411 | err = usb_diag_write(driver->mdm_ch, |
| 412 | write_ptr_mdm); |
| 413 | /* Return to the pool immediately */ |
| 414 | if (err) { |
| 415 | diagmem_free(driver, |
| 416 | write_ptr_mdm, |
| 417 | POOL_TYPE_HSIC_WRITE); |
Dixon Peterson | 6beff2d | 2012-09-13 18:51:47 -0700 | [diff] [blame] | 418 | pr_err_ratelimited("diag: HSIC write failure, err: %d\n", |
| 419 | err); |
Dixon Peterson | 938f860 | 2012-08-17 20:02:57 -0700 | [diff] [blame] | 420 | } |
| 421 | } else { |
| 422 | pr_err("diag: allocate write fail\n"); |
| 423 | err = -1; |
| 424 | } |
| 425 | } else { |
Dixon Peterson | 32e70bb | 2011-12-16 13:26:45 -0800 | [diff] [blame] | 426 | pr_err("diag: Incorrect hsic data " |
| 427 | "while USB write\n"); |
Dixon Peterson | 938f860 | 2012-08-17 20:02:57 -0700 | [diff] [blame] | 428 | err = -1; |
| 429 | } |
Shalabh Jain | f7228dc | 2012-05-23 17:32:05 -0700 | [diff] [blame] | 430 | } else if (proc_num == SMUX_DATA) { |
| 431 | write_ptr->buf = buf; |
| 432 | pr_debug("diag: writing SMUX data\n"); |
| 433 | err = usb_diag_write(driver->mdm_ch, write_ptr); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 434 | } |
| 435 | #endif |
| 436 | APPEND_DEBUG('d'); |
| 437 | } |
| 438 | #endif /* DIAG OVER USB */ |
| 439 | return err; |
| 440 | } |
| 441 | |
| 442 | void __diag_smd_wcnss_send_req(void) |
| 443 | { |
Ashay Jaiswal | 2962012 | 2012-03-21 12:02:36 +0530 | [diff] [blame] | 444 | void *buf = NULL; |
| 445 | int *in_busy_wcnss_ptr = NULL; |
| 446 | struct diag_request *write_ptr_wcnss = NULL; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 447 | |
Ashay Jaiswal | 2962012 | 2012-03-21 12:02:36 +0530 | [diff] [blame] | 448 | if (!driver->in_busy_wcnss_1) { |
| 449 | buf = driver->buf_in_wcnss_1; |
| 450 | write_ptr_wcnss = driver->write_ptr_wcnss_1; |
| 451 | in_busy_wcnss_ptr = &(driver->in_busy_wcnss_1); |
| 452 | } else if (!driver->in_busy_wcnss_2) { |
| 453 | buf = driver->buf_in_wcnss_2; |
| 454 | write_ptr_wcnss = driver->write_ptr_wcnss_2; |
| 455 | in_busy_wcnss_ptr = &(driver->in_busy_wcnss_2); |
| 456 | } |
| 457 | |
| 458 | if (driver->ch_wcnss && buf) { |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 459 | int r = smd_read_avail(driver->ch_wcnss); |
| 460 | if (r > IN_BUF_SIZE) { |
| 461 | if (r < MAX_IN_BUF_SIZE) { |
| 462 | pr_err("diag: wcnss packets > %d bytes", r); |
| 463 | buf = krealloc(buf, r, GFP_KERNEL); |
| 464 | } else { |
| 465 | pr_err("diag: wcnss pkt > %d", MAX_IN_BUF_SIZE); |
| 466 | return; |
| 467 | } |
| 468 | } |
| 469 | if (r > 0) { |
| 470 | if (!buf) { |
| 471 | pr_err("Out of diagmem for wcnss\n"); |
| 472 | } else { |
| 473 | APPEND_DEBUG('i'); |
| 474 | smd_read(driver->ch_wcnss, buf, r); |
| 475 | APPEND_DEBUG('j'); |
| 476 | write_ptr_wcnss->length = r; |
| 477 | *in_busy_wcnss_ptr = 1; |
| 478 | diag_device_write(buf, WCNSS_DATA, |
| 479 | write_ptr_wcnss); |
| 480 | } |
| 481 | } |
Dixon Peterson | 743a11e | 2012-07-30 17:42:20 -0700 | [diff] [blame] | 482 | } else if (driver->ch_wcnss && !buf && |
| 483 | (driver->logging_mode == MEMORY_DEVICE_MODE)) { |
| 484 | chk_logging_wakeup(); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 485 | } |
| 486 | } |
| 487 | |
Ashay Jaiswal | 8be3ce8 | 2012-09-13 16:01:54 -0700 | [diff] [blame] | 488 | void __diag_smd_lpass_send_req(void) |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 489 | { |
| 490 | void *buf = NULL; |
Ashay Jaiswal | 8be3ce8 | 2012-09-13 16:01:54 -0700 | [diff] [blame] | 491 | int *in_busy_lpass_ptr = NULL; |
| 492 | struct diag_request *write_ptr_lpass = NULL; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 493 | |
Ashay Jaiswal | 8be3ce8 | 2012-09-13 16:01:54 -0700 | [diff] [blame] | 494 | if (!driver->in_busy_lpass_1) { |
| 495 | buf = driver->buf_in_lpass_1; |
| 496 | write_ptr_lpass = driver->write_ptr_lpass_1; |
| 497 | in_busy_lpass_ptr = &(driver->in_busy_lpass_1); |
| 498 | } else if (!driver->in_busy_lpass_2) { |
| 499 | buf = driver->buf_in_lpass_2; |
| 500 | write_ptr_lpass = driver->write_ptr_lpass_2; |
| 501 | in_busy_lpass_ptr = &(driver->in_busy_lpass_2); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 502 | } |
| 503 | |
Ashay Jaiswal | 8be3ce8 | 2012-09-13 16:01:54 -0700 | [diff] [blame] | 504 | if (driver->chlpass && buf) { |
| 505 | int r = smd_read_avail(driver->chlpass); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 506 | |
| 507 | if (r > IN_BUF_SIZE) { |
| 508 | if (r < MAX_IN_BUF_SIZE) { |
| 509 | pr_err("diag: SMD sending in " |
| 510 | "packets upto %d bytes", r); |
| 511 | buf = krealloc(buf, r, GFP_KERNEL); |
| 512 | } else { |
| 513 | pr_err("diag: SMD sending in " |
| 514 | "packets more than %d bytes", MAX_IN_BUF_SIZE); |
| 515 | return; |
| 516 | } |
| 517 | } |
| 518 | if (r > 0) { |
| 519 | if (!buf) |
Ashay Jaiswal | 8be3ce8 | 2012-09-13 16:01:54 -0700 | [diff] [blame] | 520 | printk(KERN_INFO "Out of diagmem for LPASS\n"); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 521 | else { |
| 522 | APPEND_DEBUG('i'); |
Ashay Jaiswal | 8be3ce8 | 2012-09-13 16:01:54 -0700 | [diff] [blame] | 523 | smd_read(driver->chlpass, buf, r); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 524 | APPEND_DEBUG('j'); |
Ashay Jaiswal | 8be3ce8 | 2012-09-13 16:01:54 -0700 | [diff] [blame] | 525 | write_ptr_lpass->length = r; |
| 526 | *in_busy_lpass_ptr = 1; |
| 527 | diag_device_write(buf, LPASS_DATA, |
| 528 | write_ptr_lpass); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 529 | } |
| 530 | } |
Ashay Jaiswal | 8be3ce8 | 2012-09-13 16:01:54 -0700 | [diff] [blame] | 531 | } else if (driver->chlpass && !buf && |
Dixon Peterson | 743a11e | 2012-07-30 17:42:20 -0700 | [diff] [blame] | 532 | (driver->logging_mode == MEMORY_DEVICE_MODE)) { |
| 533 | chk_logging_wakeup(); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 534 | } |
| 535 | } |
| 536 | |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 537 | static void diag_update_pkt_buffer(unsigned char *buf) |
| 538 | { |
| 539 | unsigned char *ptr = driver->pkt_buf; |
| 540 | unsigned char *temp = buf; |
| 541 | |
| 542 | mutex_lock(&driver->diagchar_mutex); |
| 543 | if (CHK_OVERFLOW(ptr, ptr, ptr + PKT_SIZE, driver->pkt_length)) |
| 544 | memcpy(ptr, temp , driver->pkt_length); |
| 545 | else |
| 546 | printk(KERN_CRIT " Not enough buffer space for PKT_RESP\n"); |
| 547 | mutex_unlock(&driver->diagchar_mutex); |
| 548 | } |
| 549 | |
| 550 | void diag_update_userspace_clients(unsigned int type) |
| 551 | { |
| 552 | int i; |
| 553 | |
| 554 | mutex_lock(&driver->diagchar_mutex); |
| 555 | for (i = 0; i < driver->num_clients; i++) |
| 556 | if (driver->client_map[i].pid != 0) |
| 557 | driver->data_ready[i] |= type; |
| 558 | wake_up_interruptible(&driver->wait_q); |
| 559 | mutex_unlock(&driver->diagchar_mutex); |
| 560 | } |
| 561 | |
Shalabh Jain | 1c99e4c | 2012-03-26 18:47:59 -0700 | [diff] [blame] | 562 | void diag_update_sleeping_process(int process_id, int data_type) |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 563 | { |
| 564 | int i; |
| 565 | |
| 566 | mutex_lock(&driver->diagchar_mutex); |
| 567 | for (i = 0; i < driver->num_clients; i++) |
| 568 | if (driver->client_map[i].pid == process_id) { |
Shalabh Jain | 1c99e4c | 2012-03-26 18:47:59 -0700 | [diff] [blame] | 569 | driver->data_ready[i] |= data_type; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 570 | break; |
| 571 | } |
| 572 | wake_up_interruptible(&driver->wait_q); |
| 573 | mutex_unlock(&driver->diagchar_mutex); |
| 574 | } |
| 575 | |
| 576 | void diag_send_data(struct diag_master_table entry, unsigned char *buf, |
| 577 | int len, int type) |
| 578 | { |
| 579 | driver->pkt_length = len; |
| 580 | if (entry.process_id != NON_APPS_PROC && type != MODEM_DATA) { |
| 581 | diag_update_pkt_buffer(buf); |
Shalabh Jain | 1c99e4c | 2012-03-26 18:47:59 -0700 | [diff] [blame] | 582 | diag_update_sleeping_process(entry.process_id, PKT_TYPE); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 583 | } else { |
| 584 | if (len > 0) { |
Shalabh Jain | c9f3509 | 2011-07-28 18:36:17 -0700 | [diff] [blame] | 585 | if (entry.client_id == MODEM_PROC && driver->ch) { |
Shalabh Jain | 10f5f43 | 2012-01-11 11:45:44 +0530 | [diff] [blame] | 586 | if (chk_apps_master() && |
Shalabh Jain | c9f3509 | 2011-07-28 18:36:17 -0700 | [diff] [blame] | 587 | (int)(*(char *)buf) == MODE_CMD) |
Dixon Peterson | ff425d1 | 2011-12-06 18:12:35 -0800 | [diff] [blame] | 588 | if ((int)(*(char *)(buf+1)) == |
| 589 | RESET_ID) |
Shalabh Jain | c9f3509 | 2011-07-28 18:36:17 -0700 | [diff] [blame] | 590 | return; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 591 | smd_write(driver->ch, buf, len); |
Ashay Jaiswal | 8be3ce8 | 2012-09-13 16:01:54 -0700 | [diff] [blame] | 592 | } else if (entry.client_id == LPASS_PROC && |
| 593 | driver->chlpass) { |
| 594 | smd_write(driver->chlpass, buf, len); |
Shalabh Jain | c9f3509 | 2011-07-28 18:36:17 -0700 | [diff] [blame] | 595 | } else if (entry.client_id == WCNSS_PROC && |
| 596 | driver->ch_wcnss) { |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 597 | smd_write(driver->ch_wcnss, buf, len); |
Shalabh Jain | c9f3509 | 2011-07-28 18:36:17 -0700 | [diff] [blame] | 598 | } else { |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 599 | pr_alert("diag: incorrect channel"); |
Shalabh Jain | c9f3509 | 2011-07-28 18:36:17 -0700 | [diff] [blame] | 600 | } |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 601 | } |
| 602 | } |
| 603 | } |
| 604 | |
| 605 | static int diag_process_apps_pkt(unsigned char *buf, int len) |
| 606 | { |
| 607 | uint16_t subsys_cmd_code; |
| 608 | int subsys_id, ssid_first, ssid_last, ssid_range; |
Shalabh Jain | 3fd986f | 2012-05-30 18:42:26 -0700 | [diff] [blame] | 609 | int packet_type = 1, i, cmd_code; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 610 | unsigned char *temp = buf; |
Dixon Peterson | d6a20a9 | 2012-09-27 15:58:50 -0700 | [diff] [blame^] | 611 | int data_type; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 612 | #if defined(CONFIG_DIAG_OVER_USB) |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 613 | unsigned char *ptr; |
| 614 | #endif |
| 615 | |
Dixon Peterson | d6a20a9 | 2012-09-27 15:58:50 -0700 | [diff] [blame^] | 616 | /* Check if the command is a supported mask command */ |
| 617 | if (diag_process_apps_masks(buf, len) == 0) |
| 618 | return 0; |
| 619 | |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 620 | /* Check for registered clients and forward packet to apropriate proc */ |
| 621 | cmd_code = (int)(*(char *)buf); |
| 622 | temp++; |
| 623 | subsys_id = (int)(*(char *)temp); |
| 624 | temp++; |
| 625 | subsys_cmd_code = *(uint16_t *)temp; |
| 626 | temp += 2; |
| 627 | data_type = APPS_DATA; |
| 628 | /* Dont send any command other than mode reset */ |
Shalabh Jain | 10f5f43 | 2012-01-11 11:45:44 +0530 | [diff] [blame] | 629 | if (chk_apps_master() && cmd_code == MODE_CMD) { |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 630 | if (subsys_id != RESET_ID) |
| 631 | data_type = MODEM_DATA; |
| 632 | } |
| 633 | |
| 634 | pr_debug("diag: %d %d %d", cmd_code, subsys_id, subsys_cmd_code); |
Shalabh Jain | fe02b0c | 2012-02-21 14:48:03 -0800 | [diff] [blame] | 635 | for (i = 0; i < diag_max_reg; i++) { |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 636 | entry = driver->table[i]; |
| 637 | if (entry.process_id != NO_PROCESS) { |
| 638 | if (entry.cmd_code == cmd_code && entry.subsys_id == |
| 639 | subsys_id && entry.cmd_code_lo <= |
| 640 | subsys_cmd_code && |
| 641 | entry.cmd_code_hi >= subsys_cmd_code) { |
| 642 | diag_send_data(entry, buf, len, data_type); |
| 643 | packet_type = 0; |
| 644 | } else if (entry.cmd_code == 255 |
| 645 | && cmd_code == 75) { |
| 646 | if (entry.subsys_id == |
| 647 | subsys_id && |
| 648 | entry.cmd_code_lo <= |
| 649 | subsys_cmd_code && |
| 650 | entry.cmd_code_hi >= |
| 651 | subsys_cmd_code) { |
| 652 | diag_send_data(entry, buf, len, |
| 653 | data_type); |
| 654 | packet_type = 0; |
| 655 | } |
| 656 | } else if (entry.cmd_code == 255 && |
| 657 | entry.subsys_id == 255) { |
| 658 | if (entry.cmd_code_lo <= |
| 659 | cmd_code && |
| 660 | entry. |
| 661 | cmd_code_hi >= cmd_code) { |
| 662 | diag_send_data(entry, buf, len, |
| 663 | data_type); |
| 664 | packet_type = 0; |
| 665 | } |
| 666 | } |
| 667 | } |
| 668 | } |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 669 | #if defined(CONFIG_DIAG_OVER_USB) |
Dixon Peterson | a2dd735 | 2012-05-21 17:37:10 -0700 | [diff] [blame] | 670 | /* Check for the command/respond msg for the maximum packet length */ |
| 671 | if ((*buf == 0x4b) && (*(buf+1) == 0x12) && |
| 672 | (*(uint16_t *)(buf+2) == 0x0055)) { |
| 673 | for (i = 0; i < 4; i++) |
| 674 | *(driver->apps_rsp_buf+i) = *(buf+i); |
| 675 | *(uint32_t *)(driver->apps_rsp_buf+4) = PKT_SIZE; |
Dixon Peterson | d6a20a9 | 2012-09-27 15:58:50 -0700 | [diff] [blame^] | 676 | encode_rsp_and_send(7); |
Dixon Peterson | a2dd735 | 2012-05-21 17:37:10 -0700 | [diff] [blame] | 677 | return 0; |
| 678 | } |
Shalabh Jain | fb8e3c1 | 2011-10-19 17:29:42 -0700 | [diff] [blame] | 679 | /* Check for Apps Only & get event mask request */ |
Dixon Peterson | a2dd735 | 2012-05-21 17:37:10 -0700 | [diff] [blame] | 680 | else if (!(driver->ch) && chk_apps_only() && *buf == 0x81) { |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 681 | driver->apps_rsp_buf[0] = 0x81; |
| 682 | driver->apps_rsp_buf[1] = 0x0; |
| 683 | *(uint16_t *)(driver->apps_rsp_buf + 2) = 0x0; |
| 684 | *(uint16_t *)(driver->apps_rsp_buf + 4) = EVENT_LAST_ID + 1; |
| 685 | for (i = 0; i < EVENT_LAST_ID/8 + 1; i++) |
| 686 | *(unsigned char *)(driver->apps_rsp_buf + 6 + i) = 0x0; |
Dixon Peterson | d6a20a9 | 2012-09-27 15:58:50 -0700 | [diff] [blame^] | 687 | encode_rsp_and_send(6 + EVENT_LAST_ID/8); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 688 | return 0; |
| 689 | } |
Shalabh Jain | fb8e3c1 | 2011-10-19 17:29:42 -0700 | [diff] [blame] | 690 | /* Get log ID range & Check for Apps Only */ |
| 691 | else if (!(driver->ch) && chk_apps_only() |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 692 | && (*buf == 0x73) && *(int *)(buf+4) == 1) { |
| 693 | driver->apps_rsp_buf[0] = 0x73; |
| 694 | *(int *)(driver->apps_rsp_buf + 4) = 0x1; /* operation ID */ |
| 695 | *(int *)(driver->apps_rsp_buf + 8) = 0x0; /* success code */ |
| 696 | *(int *)(driver->apps_rsp_buf + 12) = LOG_GET_ITEM_NUM(LOG_0); |
| 697 | *(int *)(driver->apps_rsp_buf + 16) = LOG_GET_ITEM_NUM(LOG_1); |
| 698 | *(int *)(driver->apps_rsp_buf + 20) = LOG_GET_ITEM_NUM(LOG_2); |
| 699 | *(int *)(driver->apps_rsp_buf + 24) = LOG_GET_ITEM_NUM(LOG_3); |
| 700 | *(int *)(driver->apps_rsp_buf + 28) = LOG_GET_ITEM_NUM(LOG_4); |
| 701 | *(int *)(driver->apps_rsp_buf + 32) = LOG_GET_ITEM_NUM(LOG_5); |
| 702 | *(int *)(driver->apps_rsp_buf + 36) = LOG_GET_ITEM_NUM(LOG_6); |
| 703 | *(int *)(driver->apps_rsp_buf + 40) = LOG_GET_ITEM_NUM(LOG_7); |
| 704 | *(int *)(driver->apps_rsp_buf + 44) = LOG_GET_ITEM_NUM(LOG_8); |
| 705 | *(int *)(driver->apps_rsp_buf + 48) = LOG_GET_ITEM_NUM(LOG_9); |
| 706 | *(int *)(driver->apps_rsp_buf + 52) = LOG_GET_ITEM_NUM(LOG_10); |
| 707 | *(int *)(driver->apps_rsp_buf + 56) = LOG_GET_ITEM_NUM(LOG_11); |
| 708 | *(int *)(driver->apps_rsp_buf + 60) = LOG_GET_ITEM_NUM(LOG_12); |
| 709 | *(int *)(driver->apps_rsp_buf + 64) = LOG_GET_ITEM_NUM(LOG_13); |
| 710 | *(int *)(driver->apps_rsp_buf + 68) = LOG_GET_ITEM_NUM(LOG_14); |
| 711 | *(int *)(driver->apps_rsp_buf + 72) = LOG_GET_ITEM_NUM(LOG_15); |
Dixon Peterson | d6a20a9 | 2012-09-27 15:58:50 -0700 | [diff] [blame^] | 712 | encode_rsp_and_send(75); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 713 | return 0; |
| 714 | } |
| 715 | /* Respond to Get SSID Range request message */ |
Shalabh Jain | fb8e3c1 | 2011-10-19 17:29:42 -0700 | [diff] [blame] | 716 | else if (!(driver->ch) && chk_apps_only() |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 717 | && (*buf == 0x7d) && (*(buf+1) == 0x1)) { |
| 718 | driver->apps_rsp_buf[0] = 0x7d; |
| 719 | driver->apps_rsp_buf[1] = 0x1; |
| 720 | driver->apps_rsp_buf[2] = 0x1; |
| 721 | driver->apps_rsp_buf[3] = 0x0; |
Shalabh Jain | 44b79b7 | 2012-06-15 13:39:27 -0700 | [diff] [blame] | 722 | /* -1 to un-account for OEM SSID range */ |
| 723 | *(int *)(driver->apps_rsp_buf + 4) = MSG_MASK_TBL_CNT - 1; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 724 | *(uint16_t *)(driver->apps_rsp_buf + 8) = MSG_SSID_0; |
| 725 | *(uint16_t *)(driver->apps_rsp_buf + 10) = MSG_SSID_0_LAST; |
| 726 | *(uint16_t *)(driver->apps_rsp_buf + 12) = MSG_SSID_1; |
| 727 | *(uint16_t *)(driver->apps_rsp_buf + 14) = MSG_SSID_1_LAST; |
| 728 | *(uint16_t *)(driver->apps_rsp_buf + 16) = MSG_SSID_2; |
| 729 | *(uint16_t *)(driver->apps_rsp_buf + 18) = MSG_SSID_2_LAST; |
| 730 | *(uint16_t *)(driver->apps_rsp_buf + 20) = MSG_SSID_3; |
| 731 | *(uint16_t *)(driver->apps_rsp_buf + 22) = MSG_SSID_3_LAST; |
| 732 | *(uint16_t *)(driver->apps_rsp_buf + 24) = MSG_SSID_4; |
| 733 | *(uint16_t *)(driver->apps_rsp_buf + 26) = MSG_SSID_4_LAST; |
| 734 | *(uint16_t *)(driver->apps_rsp_buf + 28) = MSG_SSID_5; |
| 735 | *(uint16_t *)(driver->apps_rsp_buf + 30) = MSG_SSID_5_LAST; |
| 736 | *(uint16_t *)(driver->apps_rsp_buf + 32) = MSG_SSID_6; |
| 737 | *(uint16_t *)(driver->apps_rsp_buf + 34) = MSG_SSID_6_LAST; |
| 738 | *(uint16_t *)(driver->apps_rsp_buf + 36) = MSG_SSID_7; |
| 739 | *(uint16_t *)(driver->apps_rsp_buf + 38) = MSG_SSID_7_LAST; |
| 740 | *(uint16_t *)(driver->apps_rsp_buf + 40) = MSG_SSID_8; |
| 741 | *(uint16_t *)(driver->apps_rsp_buf + 42) = MSG_SSID_8_LAST; |
| 742 | *(uint16_t *)(driver->apps_rsp_buf + 44) = MSG_SSID_9; |
| 743 | *(uint16_t *)(driver->apps_rsp_buf + 46) = MSG_SSID_9_LAST; |
| 744 | *(uint16_t *)(driver->apps_rsp_buf + 48) = MSG_SSID_10; |
| 745 | *(uint16_t *)(driver->apps_rsp_buf + 50) = MSG_SSID_10_LAST; |
| 746 | *(uint16_t *)(driver->apps_rsp_buf + 52) = MSG_SSID_11; |
| 747 | *(uint16_t *)(driver->apps_rsp_buf + 54) = MSG_SSID_11_LAST; |
| 748 | *(uint16_t *)(driver->apps_rsp_buf + 56) = MSG_SSID_12; |
| 749 | *(uint16_t *)(driver->apps_rsp_buf + 58) = MSG_SSID_12_LAST; |
| 750 | *(uint16_t *)(driver->apps_rsp_buf + 60) = MSG_SSID_13; |
| 751 | *(uint16_t *)(driver->apps_rsp_buf + 62) = MSG_SSID_13_LAST; |
| 752 | *(uint16_t *)(driver->apps_rsp_buf + 64) = MSG_SSID_14; |
| 753 | *(uint16_t *)(driver->apps_rsp_buf + 66) = MSG_SSID_14_LAST; |
| 754 | *(uint16_t *)(driver->apps_rsp_buf + 68) = MSG_SSID_15; |
| 755 | *(uint16_t *)(driver->apps_rsp_buf + 70) = MSG_SSID_15_LAST; |
| 756 | *(uint16_t *)(driver->apps_rsp_buf + 72) = MSG_SSID_16; |
| 757 | *(uint16_t *)(driver->apps_rsp_buf + 74) = MSG_SSID_16_LAST; |
| 758 | *(uint16_t *)(driver->apps_rsp_buf + 76) = MSG_SSID_17; |
| 759 | *(uint16_t *)(driver->apps_rsp_buf + 78) = MSG_SSID_17_LAST; |
| 760 | *(uint16_t *)(driver->apps_rsp_buf + 80) = MSG_SSID_18; |
| 761 | *(uint16_t *)(driver->apps_rsp_buf + 82) = MSG_SSID_18_LAST; |
Shalabh Jain | 321c8b5 | 2012-02-22 12:37:06 -0800 | [diff] [blame] | 762 | *(uint16_t *)(driver->apps_rsp_buf + 84) = MSG_SSID_19; |
| 763 | *(uint16_t *)(driver->apps_rsp_buf + 86) = MSG_SSID_19_LAST; |
| 764 | *(uint16_t *)(driver->apps_rsp_buf + 88) = MSG_SSID_20; |
| 765 | *(uint16_t *)(driver->apps_rsp_buf + 90) = MSG_SSID_20_LAST; |
| 766 | *(uint16_t *)(driver->apps_rsp_buf + 92) = MSG_SSID_21; |
| 767 | *(uint16_t *)(driver->apps_rsp_buf + 94) = MSG_SSID_21_LAST; |
| 768 | *(uint16_t *)(driver->apps_rsp_buf + 96) = MSG_SSID_22; |
| 769 | *(uint16_t *)(driver->apps_rsp_buf + 98) = MSG_SSID_22_LAST; |
Dixon Peterson | d6a20a9 | 2012-09-27 15:58:50 -0700 | [diff] [blame^] | 770 | encode_rsp_and_send(99); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 771 | return 0; |
| 772 | } |
Shalabh Jain | fb8e3c1 | 2011-10-19 17:29:42 -0700 | [diff] [blame] | 773 | /* Check for Apps Only Respond to Get Subsys Build mask */ |
| 774 | else if (!(driver->ch) && chk_apps_only() |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 775 | && (*buf == 0x7d) && (*(buf+1) == 0x2)) { |
| 776 | ssid_first = *(uint16_t *)(buf + 2); |
| 777 | ssid_last = *(uint16_t *)(buf + 4); |
| 778 | ssid_range = 4 * (ssid_last - ssid_first + 1); |
| 779 | /* frame response */ |
| 780 | driver->apps_rsp_buf[0] = 0x7d; |
| 781 | driver->apps_rsp_buf[1] = 0x2; |
| 782 | *(uint16_t *)(driver->apps_rsp_buf + 2) = ssid_first; |
| 783 | *(uint16_t *)(driver->apps_rsp_buf + 4) = ssid_last; |
| 784 | driver->apps_rsp_buf[6] = 0x1; |
| 785 | driver->apps_rsp_buf[7] = 0x0; |
| 786 | ptr = driver->apps_rsp_buf + 8; |
| 787 | /* bld time masks */ |
| 788 | switch (ssid_first) { |
| 789 | case MSG_SSID_0: |
| 790 | for (i = 0; i < ssid_range; i += 4) |
| 791 | *(int *)(ptr + i) = msg_bld_masks_0[i/4]; |
| 792 | break; |
| 793 | case MSG_SSID_1: |
| 794 | for (i = 0; i < ssid_range; i += 4) |
| 795 | *(int *)(ptr + i) = msg_bld_masks_1[i/4]; |
| 796 | break; |
| 797 | case MSG_SSID_2: |
| 798 | for (i = 0; i < ssid_range; i += 4) |
| 799 | *(int *)(ptr + i) = msg_bld_masks_2[i/4]; |
| 800 | break; |
| 801 | case MSG_SSID_3: |
| 802 | for (i = 0; i < ssid_range; i += 4) |
| 803 | *(int *)(ptr + i) = msg_bld_masks_3[i/4]; |
| 804 | break; |
| 805 | case MSG_SSID_4: |
| 806 | for (i = 0; i < ssid_range; i += 4) |
| 807 | *(int *)(ptr + i) = msg_bld_masks_4[i/4]; |
| 808 | break; |
| 809 | case MSG_SSID_5: |
| 810 | for (i = 0; i < ssid_range; i += 4) |
| 811 | *(int *)(ptr + i) = msg_bld_masks_5[i/4]; |
| 812 | break; |
| 813 | case MSG_SSID_6: |
| 814 | for (i = 0; i < ssid_range; i += 4) |
| 815 | *(int *)(ptr + i) = msg_bld_masks_6[i/4]; |
| 816 | break; |
| 817 | case MSG_SSID_7: |
| 818 | for (i = 0; i < ssid_range; i += 4) |
| 819 | *(int *)(ptr + i) = msg_bld_masks_7[i/4]; |
| 820 | break; |
| 821 | case MSG_SSID_8: |
| 822 | for (i = 0; i < ssid_range; i += 4) |
| 823 | *(int *)(ptr + i) = msg_bld_masks_8[i/4]; |
| 824 | break; |
| 825 | case MSG_SSID_9: |
| 826 | for (i = 0; i < ssid_range; i += 4) |
| 827 | *(int *)(ptr + i) = msg_bld_masks_9[i/4]; |
| 828 | break; |
| 829 | case MSG_SSID_10: |
| 830 | for (i = 0; i < ssid_range; i += 4) |
| 831 | *(int *)(ptr + i) = msg_bld_masks_10[i/4]; |
| 832 | break; |
| 833 | case MSG_SSID_11: |
| 834 | for (i = 0; i < ssid_range; i += 4) |
| 835 | *(int *)(ptr + i) = msg_bld_masks_11[i/4]; |
| 836 | break; |
| 837 | case MSG_SSID_12: |
| 838 | for (i = 0; i < ssid_range; i += 4) |
| 839 | *(int *)(ptr + i) = msg_bld_masks_12[i/4]; |
| 840 | break; |
| 841 | case MSG_SSID_13: |
| 842 | for (i = 0; i < ssid_range; i += 4) |
| 843 | *(int *)(ptr + i) = msg_bld_masks_13[i/4]; |
| 844 | break; |
| 845 | case MSG_SSID_14: |
| 846 | for (i = 0; i < ssid_range; i += 4) |
| 847 | *(int *)(ptr + i) = msg_bld_masks_14[i/4]; |
| 848 | break; |
| 849 | case MSG_SSID_15: |
| 850 | for (i = 0; i < ssid_range; i += 4) |
| 851 | *(int *)(ptr + i) = msg_bld_masks_15[i/4]; |
| 852 | break; |
| 853 | case MSG_SSID_16: |
| 854 | for (i = 0; i < ssid_range; i += 4) |
| 855 | *(int *)(ptr + i) = msg_bld_masks_16[i/4]; |
| 856 | break; |
| 857 | case MSG_SSID_17: |
| 858 | for (i = 0; i < ssid_range; i += 4) |
| 859 | *(int *)(ptr + i) = msg_bld_masks_17[i/4]; |
| 860 | break; |
| 861 | case MSG_SSID_18: |
| 862 | for (i = 0; i < ssid_range; i += 4) |
| 863 | *(int *)(ptr + i) = msg_bld_masks_18[i/4]; |
| 864 | break; |
Shalabh Jain | 321c8b5 | 2012-02-22 12:37:06 -0800 | [diff] [blame] | 865 | case MSG_SSID_19: |
| 866 | for (i = 0; i < ssid_range; i += 4) |
| 867 | *(int *)(ptr + i) = msg_bld_masks_19[i/4]; |
| 868 | break; |
| 869 | case MSG_SSID_20: |
| 870 | for (i = 0; i < ssid_range; i += 4) |
| 871 | *(int *)(ptr + i) = msg_bld_masks_20[i/4]; |
| 872 | break; |
| 873 | case MSG_SSID_21: |
| 874 | for (i = 0; i < ssid_range; i += 4) |
| 875 | *(int *)(ptr + i) = msg_bld_masks_21[i/4]; |
| 876 | break; |
| 877 | case MSG_SSID_22: |
| 878 | for (i = 0; i < ssid_range; i += 4) |
| 879 | *(int *)(ptr + i) = msg_bld_masks_22[i/4]; |
| 880 | break; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 881 | } |
Dixon Peterson | d6a20a9 | 2012-09-27 15:58:50 -0700 | [diff] [blame^] | 882 | encode_rsp_and_send(8 + ssid_range - 1); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 883 | return 0; |
| 884 | } |
| 885 | /* Check for download command */ |
Shalabh Jain | 10f5f43 | 2012-01-11 11:45:44 +0530 | [diff] [blame] | 886 | else if ((cpu_is_msm8x60() || chk_apps_master()) && (*buf == 0x3A)) { |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 887 | /* send response back */ |
| 888 | driver->apps_rsp_buf[0] = *buf; |
Dixon Peterson | d6a20a9 | 2012-09-27 15:58:50 -0700 | [diff] [blame^] | 889 | encode_rsp_and_send(0); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 890 | msleep(5000); |
| 891 | /* call download API */ |
| 892 | msm_set_restart_mode(RESTART_DLOAD); |
| 893 | printk(KERN_CRIT "diag: download mode set, Rebooting SoC..\n"); |
| 894 | kernel_restart(NULL); |
| 895 | /* Not required, represents that command isnt sent to modem */ |
| 896 | return 0; |
| 897 | } |
Dixon Peterson | b46bb99 | 2012-01-12 19:16:56 -0800 | [diff] [blame] | 898 | /* Check for polling for Apps only DIAG */ |
| 899 | else if ((*buf == 0x4b) && (*(buf+1) == 0x32) && |
| 900 | (*(buf+2) == 0x03)) { |
Shalabh Jain | 3d29fc3 | 2012-02-09 17:15:59 -0800 | [diff] [blame] | 901 | /* If no one has registered for polling */ |
Dixon Peterson | b4618a4 | 2012-02-29 18:56:31 -0800 | [diff] [blame] | 902 | if (chk_polling_response()) { |
Dixon Peterson | b46bb99 | 2012-01-12 19:16:56 -0800 | [diff] [blame] | 903 | /* Respond to polling for Apps only DIAG */ |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 904 | for (i = 0; i < 3; i++) |
| 905 | driver->apps_rsp_buf[i] = *(buf+i); |
| 906 | for (i = 0; i < 13; i++) |
| 907 | driver->apps_rsp_buf[i+3] = 0; |
| 908 | |
Dixon Peterson | d6a20a9 | 2012-09-27 15:58:50 -0700 | [diff] [blame^] | 909 | encode_rsp_and_send(15); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 910 | return 0; |
| 911 | } |
Dixon Peterson | b46bb99 | 2012-01-12 19:16:56 -0800 | [diff] [blame] | 912 | } |
| 913 | /* Check for ID for NO MODEM present */ |
Dixon Peterson | b4618a4 | 2012-02-29 18:56:31 -0800 | [diff] [blame] | 914 | else if (chk_polling_response()) { |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 915 | /* respond to 0x0 command */ |
Dixon Peterson | b46bb99 | 2012-01-12 19:16:56 -0800 | [diff] [blame] | 916 | if (*buf == 0x00) { |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 917 | for (i = 0; i < 55; i++) |
| 918 | driver->apps_rsp_buf[i] = 0; |
| 919 | |
Dixon Peterson | d6a20a9 | 2012-09-27 15:58:50 -0700 | [diff] [blame^] | 920 | encode_rsp_and_send(54); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 921 | return 0; |
| 922 | } |
| 923 | /* respond to 0x7c command */ |
| 924 | else if (*buf == 0x7c) { |
| 925 | driver->apps_rsp_buf[0] = 0x7c; |
| 926 | for (i = 1; i < 8; i++) |
| 927 | driver->apps_rsp_buf[i] = 0; |
| 928 | /* Tools ID for APQ 8060 */ |
| 929 | *(int *)(driver->apps_rsp_buf + 8) = |
| 930 | chk_config_get_id(); |
| 931 | *(unsigned char *)(driver->apps_rsp_buf + 12) = '\0'; |
| 932 | *(unsigned char *)(driver->apps_rsp_buf + 13) = '\0'; |
Dixon Peterson | d6a20a9 | 2012-09-27 15:58:50 -0700 | [diff] [blame^] | 933 | encode_rsp_and_send(13); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 934 | return 0; |
| 935 | } |
| 936 | } |
| 937 | #endif |
Dixon Peterson | d6a20a9 | 2012-09-27 15:58:50 -0700 | [diff] [blame^] | 938 | return packet_type; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 939 | } |
| 940 | |
| 941 | #ifdef CONFIG_DIAG_OVER_USB |
| 942 | void diag_send_error_rsp(int index) |
| 943 | { |
| 944 | int i; |
Shalabh Jain | 1fedab9 | 2011-12-22 13:15:22 +0530 | [diff] [blame] | 945 | |
| 946 | if (index > 490) { |
| 947 | pr_err("diag: error response too huge, aborting\n"); |
| 948 | return; |
| 949 | } |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 950 | driver->apps_rsp_buf[0] = 0x13; /* error code 13 */ |
| 951 | for (i = 0; i < index; i++) |
| 952 | driver->apps_rsp_buf[i+1] = *(driver->hdlc_buf+i); |
Dixon Peterson | d6a20a9 | 2012-09-27 15:58:50 -0700 | [diff] [blame^] | 953 | encode_rsp_and_send(index - 3); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 954 | } |
| 955 | #else |
| 956 | static inline void diag_send_error_rsp(int index) {} |
| 957 | #endif |
| 958 | |
| 959 | void diag_process_hdlc(void *data, unsigned len) |
| 960 | { |
| 961 | struct diag_hdlc_decode_type hdlc; |
| 962 | int ret, type = 0; |
| 963 | pr_debug("diag: HDLC decode fn, len of data %d\n", len); |
| 964 | hdlc.dest_ptr = driver->hdlc_buf; |
| 965 | hdlc.dest_size = USB_MAX_OUT_BUF; |
| 966 | hdlc.src_ptr = data; |
| 967 | hdlc.src_size = len; |
| 968 | hdlc.src_idx = 0; |
| 969 | hdlc.dest_idx = 0; |
| 970 | hdlc.escaping = 0; |
| 971 | |
| 972 | ret = diag_hdlc_decode(&hdlc); |
| 973 | |
| 974 | if (ret) |
| 975 | type = diag_process_apps_pkt(driver->hdlc_buf, |
| 976 | hdlc.dest_idx - 3); |
| 977 | else if (driver->debug_flag) { |
| 978 | printk(KERN_ERR "Packet dropped due to bad HDLC coding/CRC" |
| 979 | " errors or partial packet received, packet" |
| 980 | " length = %d\n", len); |
| 981 | print_hex_dump(KERN_DEBUG, "Dropped Packet Data: ", 16, 1, |
| 982 | DUMP_PREFIX_ADDRESS, data, len, 1); |
| 983 | driver->debug_flag = 0; |
| 984 | } |
| 985 | /* send error responses from APPS for Central Routing */ |
Shalabh Jain | fb8e3c1 | 2011-10-19 17:29:42 -0700 | [diff] [blame] | 986 | if (type == 1 && chk_apps_only()) { |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 987 | diag_send_error_rsp(hdlc.dest_idx); |
| 988 | type = 0; |
| 989 | } |
| 990 | /* implies this packet is NOT meant for apps */ |
| 991 | if (!(driver->ch) && type == 1) { |
Shalabh Jain | fb8e3c1 | 2011-10-19 17:29:42 -0700 | [diff] [blame] | 992 | if (chk_apps_only()) { |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 993 | diag_send_error_rsp(hdlc.dest_idx); |
| 994 | } else { /* APQ 8060, Let Q6 respond */ |
Ashay Jaiswal | 8be3ce8 | 2012-09-13 16:01:54 -0700 | [diff] [blame] | 995 | if (driver->chlpass) |
| 996 | smd_write(driver->chlpass, driver->hdlc_buf, |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 997 | hdlc.dest_idx - 3); |
| 998 | } |
| 999 | type = 0; |
| 1000 | } |
| 1001 | |
| 1002 | #ifdef DIAG_DEBUG |
| 1003 | pr_debug("diag: hdlc.dest_idx = %d", hdlc.dest_idx); |
| 1004 | for (i = 0; i < hdlc.dest_idx; i++) |
| 1005 | printk(KERN_DEBUG "\t%x", *(((unsigned char *) |
| 1006 | driver->hdlc_buf)+i)); |
| 1007 | #endif /* DIAG DEBUG */ |
| 1008 | /* ignore 2 bytes for CRC, one for 7E and send */ |
| 1009 | if ((driver->ch) && (ret) && (type) && (hdlc.dest_idx > 3)) { |
| 1010 | APPEND_DEBUG('g'); |
| 1011 | smd_write(driver->ch, driver->hdlc_buf, hdlc.dest_idx - 3); |
| 1012 | APPEND_DEBUG('h'); |
| 1013 | #ifdef DIAG_DEBUG |
| 1014 | printk(KERN_INFO "writing data to SMD, pkt length %d\n", len); |
| 1015 | print_hex_dump(KERN_DEBUG, "Written Packet Data to SMD: ", 16, |
| 1016 | 1, DUMP_PREFIX_ADDRESS, data, len, 1); |
| 1017 | #endif /* DIAG DEBUG */ |
| 1018 | } |
| 1019 | } |
| 1020 | |
| 1021 | #ifdef CONFIG_DIAG_OVER_USB |
Shalabh Jain | 8e9750a | 2011-09-09 13:06:29 -0700 | [diff] [blame] | 1022 | /* 2+1 for modem ; 2 for LPASS ; 1 for WCNSS */ |
| 1023 | #define N_LEGACY_WRITE (driver->poolsize + 6) |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1024 | #define N_LEGACY_READ 1 |
| 1025 | |
| 1026 | int diagfwd_connect(void) |
| 1027 | { |
| 1028 | int err; |
| 1029 | |
| 1030 | printk(KERN_DEBUG "diag: USB connected\n"); |
| 1031 | err = usb_diag_alloc_req(driver->legacy_ch, N_LEGACY_WRITE, |
| 1032 | N_LEGACY_READ); |
| 1033 | if (err) |
| 1034 | printk(KERN_ERR "diag: unable to alloc USB req on legacy ch"); |
| 1035 | |
| 1036 | driver->usb_connected = 1; |
| 1037 | driver->in_busy_1 = 0; |
| 1038 | driver->in_busy_2 = 0; |
Ashay Jaiswal | 8be3ce8 | 2012-09-13 16:01:54 -0700 | [diff] [blame] | 1039 | driver->in_busy_lpass_1 = 0; |
| 1040 | driver->in_busy_lpass_2 = 0; |
Ashay Jaiswal | 2962012 | 2012-03-21 12:02:36 +0530 | [diff] [blame] | 1041 | driver->in_busy_wcnss_1 = 0; |
| 1042 | driver->in_busy_wcnss_2 = 0; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1043 | |
| 1044 | /* Poll SMD channels to check for data*/ |
| 1045 | queue_work(driver->diag_wq, &(driver->diag_read_smd_work)); |
Ashay Jaiswal | 8be3ce8 | 2012-09-13 16:01:54 -0700 | [diff] [blame] | 1046 | queue_work(driver->diag_wq, &(driver->diag_read_smd_lpass_work)); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1047 | queue_work(driver->diag_wq, &(driver->diag_read_smd_wcnss_work)); |
Shalabh Jain | cf5f20e | 2011-08-22 12:29:52 -0700 | [diff] [blame] | 1048 | /* Poll SMD CNTL channels to check for data */ |
Shalabh Jain | 4e1bd31 | 2012-02-16 19:33:05 -0800 | [diff] [blame] | 1049 | diag_smd_cntl_notify(NULL, SMD_EVENT_DATA); |
Ashay Jaiswal | 8be3ce8 | 2012-09-13 16:01:54 -0700 | [diff] [blame] | 1050 | diag_smd_lpass_cntl_notify(NULL, SMD_EVENT_DATA); |
Shalabh Jain | 4e1bd31 | 2012-02-16 19:33:05 -0800 | [diff] [blame] | 1051 | diag_smd_wcnss_cntl_notify(NULL, SMD_EVENT_DATA); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1052 | /* Poll USB channel to check for data*/ |
| 1053 | queue_work(driver->diag_wq, &(driver->diag_read_work)); |
| 1054 | #ifdef CONFIG_DIAG_SDIO_PIPE |
| 1055 | if (machine_is_msm8x60_fusion() || machine_is_msm8x60_fusn_ffa()) { |
| 1056 | if (driver->mdm_ch && !IS_ERR(driver->mdm_ch)) |
| 1057 | diagfwd_connect_sdio(); |
| 1058 | else |
| 1059 | printk(KERN_INFO "diag: No USB MDM ch"); |
| 1060 | } |
| 1061 | #endif |
| 1062 | return 0; |
| 1063 | } |
| 1064 | |
| 1065 | int diagfwd_disconnect(void) |
| 1066 | { |
| 1067 | printk(KERN_DEBUG "diag: USB disconnected\n"); |
| 1068 | driver->usb_connected = 0; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1069 | driver->debug_flag = 1; |
| 1070 | usb_diag_free_req(driver->legacy_ch); |
Shalabh Jain | 69890aa | 2011-10-10 12:59:16 -0700 | [diff] [blame] | 1071 | if (driver->logging_mode == USB_MODE) { |
| 1072 | driver->in_busy_1 = 1; |
| 1073 | driver->in_busy_2 = 1; |
Ashay Jaiswal | 8be3ce8 | 2012-09-13 16:01:54 -0700 | [diff] [blame] | 1074 | driver->in_busy_lpass_1 = 1; |
| 1075 | driver->in_busy_lpass_2 = 1; |
Ashay Jaiswal | 2962012 | 2012-03-21 12:02:36 +0530 | [diff] [blame] | 1076 | driver->in_busy_wcnss_1 = 1; |
| 1077 | driver->in_busy_wcnss_2 = 1; |
Shalabh Jain | 69890aa | 2011-10-10 12:59:16 -0700 | [diff] [blame] | 1078 | } |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1079 | #ifdef CONFIG_DIAG_SDIO_PIPE |
| 1080 | if (machine_is_msm8x60_fusion() || machine_is_msm8x60_fusn_ffa()) |
| 1081 | if (driver->mdm_ch && !IS_ERR(driver->mdm_ch)) |
| 1082 | diagfwd_disconnect_sdio(); |
| 1083 | #endif |
| 1084 | /* TBD - notify and flow control SMD */ |
| 1085 | return 0; |
| 1086 | } |
| 1087 | |
| 1088 | int diagfwd_write_complete(struct diag_request *diag_write_ptr) |
| 1089 | { |
| 1090 | unsigned char *buf = diag_write_ptr->buf; |
| 1091 | /*Determine if the write complete is for data from modem/apps/q6 */ |
| 1092 | /* Need a context variable here instead */ |
| 1093 | if (buf == (void *)driver->buf_in_1) { |
| 1094 | driver->in_busy_1 = 0; |
| 1095 | APPEND_DEBUG('o'); |
| 1096 | queue_work(driver->diag_wq, &(driver->diag_read_smd_work)); |
| 1097 | } else if (buf == (void *)driver->buf_in_2) { |
| 1098 | driver->in_busy_2 = 0; |
| 1099 | APPEND_DEBUG('O'); |
| 1100 | queue_work(driver->diag_wq, &(driver->diag_read_smd_work)); |
Ashay Jaiswal | 8be3ce8 | 2012-09-13 16:01:54 -0700 | [diff] [blame] | 1101 | } else if (buf == (void *)driver->buf_in_lpass_1) { |
| 1102 | driver->in_busy_lpass_1 = 0; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1103 | APPEND_DEBUG('p'); |
Ashay Jaiswal | 8be3ce8 | 2012-09-13 16:01:54 -0700 | [diff] [blame] | 1104 | queue_work(driver->diag_wq, |
| 1105 | &(driver->diag_read_smd_lpass_work)); |
| 1106 | } else if (buf == (void *)driver->buf_in_lpass_2) { |
| 1107 | driver->in_busy_lpass_2 = 0; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1108 | APPEND_DEBUG('P'); |
Ashay Jaiswal | 8be3ce8 | 2012-09-13 16:01:54 -0700 | [diff] [blame] | 1109 | queue_work(driver->diag_wq, |
| 1110 | &(driver->diag_read_smd_lpass_work)); |
Ashay Jaiswal | 2962012 | 2012-03-21 12:02:36 +0530 | [diff] [blame] | 1111 | } else if (buf == driver->buf_in_wcnss_1) { |
| 1112 | driver->in_busy_wcnss_1 = 0; |
| 1113 | APPEND_DEBUG('r'); |
| 1114 | queue_work(driver->diag_wq, |
| 1115 | &(driver->diag_read_smd_wcnss_work)); |
| 1116 | } else if (buf == driver->buf_in_wcnss_2) { |
| 1117 | driver->in_busy_wcnss_2 = 0; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1118 | APPEND_DEBUG('R'); |
| 1119 | queue_work(driver->diag_wq, |
| 1120 | &(driver->diag_read_smd_wcnss_work)); |
| 1121 | } |
| 1122 | #ifdef CONFIG_DIAG_SDIO_PIPE |
| 1123 | else if (buf == (void *)driver->buf_in_sdio) |
| 1124 | if (machine_is_msm8x60_fusion() || |
Shalabh Jain | 482bf12 | 2011-12-06 03:54:47 -0800 | [diff] [blame] | 1125 | machine_is_msm8x60_fusn_ffa()) |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1126 | diagfwd_write_complete_sdio(); |
| 1127 | else |
| 1128 | pr_err("diag: Incorrect buffer pointer while WRITE"); |
| 1129 | #endif |
| 1130 | else { |
| 1131 | diagmem_free(driver, (unsigned char *)buf, POOL_TYPE_HDLC); |
| 1132 | diagmem_free(driver, (unsigned char *)diag_write_ptr, |
| 1133 | POOL_TYPE_WRITE_STRUCT); |
| 1134 | APPEND_DEBUG('q'); |
| 1135 | } |
| 1136 | return 0; |
| 1137 | } |
| 1138 | |
| 1139 | int diagfwd_read_complete(struct diag_request *diag_read_ptr) |
| 1140 | { |
| 1141 | int status = diag_read_ptr->status; |
| 1142 | unsigned char *buf = diag_read_ptr->buf; |
| 1143 | |
| 1144 | /* Determine if the read complete is for data on legacy/mdm ch */ |
| 1145 | if (buf == (void *)driver->usb_buf_out) { |
| 1146 | driver->read_len_legacy = diag_read_ptr->actual; |
| 1147 | APPEND_DEBUG('s'); |
| 1148 | #ifdef DIAG_DEBUG |
| 1149 | printk(KERN_INFO "read data from USB, pkt length %d", |
| 1150 | diag_read_ptr->actual); |
| 1151 | print_hex_dump(KERN_DEBUG, "Read Packet Data from USB: ", 16, 1, |
| 1152 | DUMP_PREFIX_ADDRESS, diag_read_ptr->buf, |
| 1153 | diag_read_ptr->actual, 1); |
| 1154 | #endif /* DIAG DEBUG */ |
| 1155 | if (driver->logging_mode == USB_MODE) { |
| 1156 | if (status != -ECONNRESET && status != -ESHUTDOWN) |
| 1157 | queue_work(driver->diag_wq, |
| 1158 | &(driver->diag_proc_hdlc_work)); |
| 1159 | else |
| 1160 | queue_work(driver->diag_wq, |
| 1161 | &(driver->diag_read_work)); |
| 1162 | } |
| 1163 | } |
| 1164 | #ifdef CONFIG_DIAG_SDIO_PIPE |
| 1165 | else if (buf == (void *)driver->usb_buf_mdm_out) { |
| 1166 | if (machine_is_msm8x60_fusion() || |
Shalabh Jain | 482bf12 | 2011-12-06 03:54:47 -0800 | [diff] [blame] | 1167 | machine_is_msm8x60_fusn_ffa()) { |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1168 | driver->read_len_mdm = diag_read_ptr->actual; |
| 1169 | diagfwd_read_complete_sdio(); |
| 1170 | } else |
| 1171 | pr_err("diag: Incorrect buffer pointer while READ"); |
| 1172 | } |
| 1173 | #endif |
| 1174 | else |
| 1175 | printk(KERN_ERR "diag: Unknown buffer ptr from USB"); |
| 1176 | |
| 1177 | return 0; |
| 1178 | } |
| 1179 | |
| 1180 | void diag_read_work_fn(struct work_struct *work) |
| 1181 | { |
| 1182 | APPEND_DEBUG('d'); |
| 1183 | driver->usb_read_ptr->buf = driver->usb_buf_out; |
| 1184 | driver->usb_read_ptr->length = USB_MAX_OUT_BUF; |
| 1185 | usb_diag_read(driver->legacy_ch, driver->usb_read_ptr); |
| 1186 | APPEND_DEBUG('e'); |
| 1187 | } |
| 1188 | |
| 1189 | void diag_process_hdlc_fn(struct work_struct *work) |
| 1190 | { |
| 1191 | APPEND_DEBUG('D'); |
| 1192 | diag_process_hdlc(driver->usb_buf_out, driver->read_len_legacy); |
| 1193 | diag_read_work_fn(work); |
| 1194 | APPEND_DEBUG('E'); |
| 1195 | } |
| 1196 | |
| 1197 | void diag_usb_legacy_notifier(void *priv, unsigned event, |
| 1198 | struct diag_request *d_req) |
| 1199 | { |
| 1200 | switch (event) { |
| 1201 | case USB_DIAG_CONNECT: |
| 1202 | diagfwd_connect(); |
| 1203 | break; |
| 1204 | case USB_DIAG_DISCONNECT: |
| 1205 | diagfwd_disconnect(); |
| 1206 | break; |
| 1207 | case USB_DIAG_READ_DONE: |
| 1208 | diagfwd_read_complete(d_req); |
| 1209 | break; |
| 1210 | case USB_DIAG_WRITE_DONE: |
| 1211 | diagfwd_write_complete(d_req); |
| 1212 | break; |
| 1213 | default: |
| 1214 | printk(KERN_ERR "Unknown event from USB diag\n"); |
| 1215 | break; |
| 1216 | } |
| 1217 | } |
| 1218 | |
| 1219 | #endif /* DIAG OVER USB */ |
| 1220 | |
| 1221 | static void diag_smd_notify(void *ctxt, unsigned event) |
| 1222 | { |
Shalabh Jain | c2ec829 | 2011-10-14 12:34:55 -0700 | [diff] [blame] | 1223 | if (event == SMD_EVENT_CLOSE) { |
Shalabh Jain | 7b20eab | 2012-06-19 17:50:58 -0700 | [diff] [blame] | 1224 | queue_work(driver->diag_cntl_wq, |
| 1225 | &(driver->diag_clean_modem_reg_work)); |
Shalabh Jain | eefee05 | 2011-11-08 23:46:03 -0800 | [diff] [blame] | 1226 | driver->ch = 0; |
| 1227 | return; |
| 1228 | } else if (event == SMD_EVENT_OPEN) { |
Shalabh Jain | aeaab62 | 2012-06-04 18:01:02 -0700 | [diff] [blame] | 1229 | if (ch_temp) |
| 1230 | driver->ch = ch_temp; |
Shalabh Jain | eefee05 | 2011-11-08 23:46:03 -0800 | [diff] [blame] | 1231 | } |
| 1232 | queue_work(driver->diag_wq, &(driver->diag_read_smd_work)); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1233 | } |
| 1234 | |
| 1235 | #if defined(CONFIG_MSM_N_WAY_SMD) |
Ashay Jaiswal | 8be3ce8 | 2012-09-13 16:01:54 -0700 | [diff] [blame] | 1236 | static void diag_smd_lpass_notify(void *ctxt, unsigned event) |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1237 | { |
Shalabh Jain | c6c2b1d | 2011-12-20 04:32:34 -0800 | [diff] [blame] | 1238 | if (event == SMD_EVENT_CLOSE) { |
Shalabh Jain | 7b20eab | 2012-06-19 17:50:58 -0700 | [diff] [blame] | 1239 | queue_work(driver->diag_cntl_wq, |
| 1240 | &(driver->diag_clean_lpass_reg_work)); |
Ashay Jaiswal | 8be3ce8 | 2012-09-13 16:01:54 -0700 | [diff] [blame] | 1241 | driver->chlpass = 0; |
Shalabh Jain | c6c2b1d | 2011-12-20 04:32:34 -0800 | [diff] [blame] | 1242 | return; |
| 1243 | } else if (event == SMD_EVENT_OPEN) { |
Ashay Jaiswal | 8be3ce8 | 2012-09-13 16:01:54 -0700 | [diff] [blame] | 1244 | if (chlpass_temp) |
| 1245 | driver->chlpass = chlpass_temp; |
Shalabh Jain | c6c2b1d | 2011-12-20 04:32:34 -0800 | [diff] [blame] | 1246 | } |
Ashay Jaiswal | 8be3ce8 | 2012-09-13 16:01:54 -0700 | [diff] [blame] | 1247 | queue_work(driver->diag_wq, &(driver->diag_read_smd_lpass_work)); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1248 | } |
| 1249 | #endif |
| 1250 | |
| 1251 | static void diag_smd_wcnss_notify(void *ctxt, unsigned event) |
| 1252 | { |
Shalabh Jain | c6c2b1d | 2011-12-20 04:32:34 -0800 | [diff] [blame] | 1253 | if (event == SMD_EVENT_CLOSE) { |
Shalabh Jain | 7b20eab | 2012-06-19 17:50:58 -0700 | [diff] [blame] | 1254 | queue_work(driver->diag_cntl_wq, |
| 1255 | &(driver->diag_clean_wcnss_reg_work)); |
Shalabh Jain | c6c2b1d | 2011-12-20 04:32:34 -0800 | [diff] [blame] | 1256 | driver->ch_wcnss = 0; |
| 1257 | return; |
| 1258 | } else if (event == SMD_EVENT_OPEN) { |
Shalabh Jain | aeaab62 | 2012-06-04 18:01:02 -0700 | [diff] [blame] | 1259 | if (ch_wcnss_temp) |
| 1260 | driver->ch_wcnss = ch_wcnss_temp; |
Shalabh Jain | c6c2b1d | 2011-12-20 04:32:34 -0800 | [diff] [blame] | 1261 | } |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1262 | queue_work(driver->diag_wq, &(driver->diag_read_smd_wcnss_work)); |
| 1263 | } |
| 1264 | |
| 1265 | static int diag_smd_probe(struct platform_device *pdev) |
| 1266 | { |
| 1267 | int r = 0; |
| 1268 | |
Shalabh Jain | eefee05 | 2011-11-08 23:46:03 -0800 | [diff] [blame] | 1269 | if (pdev->id == SMD_APPS_MODEM) { |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1270 | r = smd_open("DIAG", &driver->ch, driver, diag_smd_notify); |
Shalabh Jain | eefee05 | 2011-11-08 23:46:03 -0800 | [diff] [blame] | 1271 | ch_temp = driver->ch; |
| 1272 | } |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1273 | #if defined(CONFIG_MSM_N_WAY_SMD) |
Shalabh Jain | c6c2b1d | 2011-12-20 04:32:34 -0800 | [diff] [blame] | 1274 | if (pdev->id == SMD_APPS_QDSP) { |
Ashay Jaiswal | 8be3ce8 | 2012-09-13 16:01:54 -0700 | [diff] [blame] | 1275 | r = smd_named_open_on_edge("DIAG", SMD_APPS_QDSP, |
| 1276 | &driver->chlpass, driver, diag_smd_lpass_notify); |
| 1277 | chlpass_temp = driver->chlpass; |
Shalabh Jain | c6c2b1d | 2011-12-20 04:32:34 -0800 | [diff] [blame] | 1278 | } |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1279 | #endif |
Shalabh Jain | c6c2b1d | 2011-12-20 04:32:34 -0800 | [diff] [blame] | 1280 | if (pdev->id == SMD_APPS_WCNSS) { |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1281 | r = smd_named_open_on_edge("APPS_RIVA_DATA", SMD_APPS_WCNSS |
| 1282 | , &driver->ch_wcnss, driver, diag_smd_wcnss_notify); |
Shalabh Jain | c6c2b1d | 2011-12-20 04:32:34 -0800 | [diff] [blame] | 1283 | ch_wcnss_temp = driver->ch_wcnss; |
| 1284 | } |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1285 | pm_runtime_set_active(&pdev->dev); |
| 1286 | pm_runtime_enable(&pdev->dev); |
| 1287 | pr_debug("diag: open SMD port, Id = %d, r = %d\n", pdev->id, r); |
| 1288 | |
| 1289 | return 0; |
| 1290 | } |
| 1291 | |
| 1292 | static int diagfwd_runtime_suspend(struct device *dev) |
| 1293 | { |
| 1294 | dev_dbg(dev, "pm_runtime: suspending...\n"); |
| 1295 | return 0; |
| 1296 | } |
| 1297 | |
| 1298 | static int diagfwd_runtime_resume(struct device *dev) |
| 1299 | { |
| 1300 | dev_dbg(dev, "pm_runtime: resuming...\n"); |
| 1301 | return 0; |
| 1302 | } |
| 1303 | |
| 1304 | static const struct dev_pm_ops diagfwd_dev_pm_ops = { |
| 1305 | .runtime_suspend = diagfwd_runtime_suspend, |
| 1306 | .runtime_resume = diagfwd_runtime_resume, |
| 1307 | }; |
| 1308 | |
| 1309 | static struct platform_driver msm_smd_ch1_driver = { |
| 1310 | |
| 1311 | .probe = diag_smd_probe, |
| 1312 | .driver = { |
| 1313 | .name = "DIAG", |
| 1314 | .owner = THIS_MODULE, |
| 1315 | .pm = &diagfwd_dev_pm_ops, |
| 1316 | }, |
| 1317 | }; |
| 1318 | |
| 1319 | static struct platform_driver diag_smd_lite_driver = { |
| 1320 | |
| 1321 | .probe = diag_smd_probe, |
| 1322 | .driver = { |
| 1323 | .name = "APPS_RIVA_DATA", |
| 1324 | .owner = THIS_MODULE, |
| 1325 | .pm = &diagfwd_dev_pm_ops, |
| 1326 | }, |
| 1327 | }; |
| 1328 | |
| 1329 | void diagfwd_init(void) |
| 1330 | { |
| 1331 | diag_debug_buf_idx = 0; |
| 1332 | driver->read_len_legacy = 0; |
Dixon Peterson | b4618a4 | 2012-02-29 18:56:31 -0800 | [diff] [blame] | 1333 | driver->use_device_tree = has_device_tree(); |
Shalabh Jain | a06c6d7 | 2012-04-30 13:40:35 -0700 | [diff] [blame] | 1334 | mutex_init(&driver->diag_cntl_mutex); |
Shalabh Jain | 321c8b5 | 2012-02-22 12:37:06 -0800 | [diff] [blame] | 1335 | |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1336 | if (driver->buf_in_1 == NULL) { |
| 1337 | driver->buf_in_1 = kzalloc(IN_BUF_SIZE, GFP_KERNEL); |
| 1338 | if (driver->buf_in_1 == NULL) |
| 1339 | goto err; |
Dixon Peterson | cc0bea77 | 2012-04-11 20:45:37 -0700 | [diff] [blame] | 1340 | kmemleak_not_leak(driver->buf_in_1); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1341 | } |
| 1342 | if (driver->buf_in_2 == NULL) { |
| 1343 | driver->buf_in_2 = kzalloc(IN_BUF_SIZE, GFP_KERNEL); |
| 1344 | if (driver->buf_in_2 == NULL) |
| 1345 | goto err; |
Dixon Peterson | cc0bea77 | 2012-04-11 20:45:37 -0700 | [diff] [blame] | 1346 | kmemleak_not_leak(driver->buf_in_2); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1347 | } |
Ashay Jaiswal | 8be3ce8 | 2012-09-13 16:01:54 -0700 | [diff] [blame] | 1348 | if (driver->buf_in_lpass_1 == NULL) { |
| 1349 | driver->buf_in_lpass_1 = kzalloc(IN_BUF_SIZE, GFP_KERNEL); |
| 1350 | if (driver->buf_in_lpass_1 == NULL) |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1351 | goto err; |
Ashay Jaiswal | 8be3ce8 | 2012-09-13 16:01:54 -0700 | [diff] [blame] | 1352 | kmemleak_not_leak(driver->buf_in_lpass_1); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1353 | } |
Ashay Jaiswal | 8be3ce8 | 2012-09-13 16:01:54 -0700 | [diff] [blame] | 1354 | if (driver->buf_in_lpass_2 == NULL) { |
| 1355 | driver->buf_in_lpass_2 = kzalloc(IN_BUF_SIZE, GFP_KERNEL); |
| 1356 | if (driver->buf_in_lpass_2 == NULL) |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1357 | goto err; |
Ashay Jaiswal | 8be3ce8 | 2012-09-13 16:01:54 -0700 | [diff] [blame] | 1358 | kmemleak_not_leak(driver->buf_in_lpass_2); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1359 | } |
Ashay Jaiswal | 2962012 | 2012-03-21 12:02:36 +0530 | [diff] [blame] | 1360 | if (driver->buf_in_wcnss_1 == NULL) { |
| 1361 | driver->buf_in_wcnss_1 = kzalloc(IN_BUF_SIZE, GFP_KERNEL); |
| 1362 | if (driver->buf_in_wcnss_1 == NULL) |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1363 | goto err; |
Dixon Peterson | cc0bea77 | 2012-04-11 20:45:37 -0700 | [diff] [blame] | 1364 | kmemleak_not_leak(driver->buf_in_wcnss_1); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1365 | } |
Ashay Jaiswal | 2962012 | 2012-03-21 12:02:36 +0530 | [diff] [blame] | 1366 | if (driver->buf_in_wcnss_2 == NULL) { |
| 1367 | driver->buf_in_wcnss_2 = kzalloc(IN_BUF_SIZE, GFP_KERNEL); |
| 1368 | if (driver->buf_in_wcnss_2 == NULL) |
| 1369 | goto err; |
Dixon Peterson | cc0bea77 | 2012-04-11 20:45:37 -0700 | [diff] [blame] | 1370 | kmemleak_not_leak(driver->buf_in_wcnss_2); |
Ashay Jaiswal | 2962012 | 2012-03-21 12:02:36 +0530 | [diff] [blame] | 1371 | } |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1372 | if (driver->usb_buf_out == NULL && |
| 1373 | (driver->usb_buf_out = kzalloc(USB_MAX_OUT_BUF, |
| 1374 | GFP_KERNEL)) == NULL) |
| 1375 | goto err; |
Dixon Peterson | cc0bea77 | 2012-04-11 20:45:37 -0700 | [diff] [blame] | 1376 | kmemleak_not_leak(driver->usb_buf_out); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1377 | if (driver->hdlc_buf == NULL |
| 1378 | && (driver->hdlc_buf = kzalloc(HDLC_MAX, GFP_KERNEL)) == NULL) |
| 1379 | goto err; |
Dixon Peterson | cc0bea77 | 2012-04-11 20:45:37 -0700 | [diff] [blame] | 1380 | kmemleak_not_leak(driver->hdlc_buf); |
Shalabh Jain | 69890aa | 2011-10-10 12:59:16 -0700 | [diff] [blame] | 1381 | if (driver->user_space_data == NULL) |
| 1382 | driver->user_space_data = kzalloc(USER_SPACE_DATA, GFP_KERNEL); |
| 1383 | if (driver->user_space_data == NULL) |
| 1384 | goto err; |
Dixon Peterson | cc0bea77 | 2012-04-11 20:45:37 -0700 | [diff] [blame] | 1385 | kmemleak_not_leak(driver->user_space_data); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1386 | if (driver->client_map == NULL && |
| 1387 | (driver->client_map = kzalloc |
| 1388 | ((driver->num_clients) * sizeof(struct diag_client_map), |
| 1389 | GFP_KERNEL)) == NULL) |
| 1390 | goto err; |
Dixon Peterson | cc0bea77 | 2012-04-11 20:45:37 -0700 | [diff] [blame] | 1391 | kmemleak_not_leak(driver->client_map); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1392 | if (driver->buf_tbl == NULL) |
| 1393 | driver->buf_tbl = kzalloc(buf_tbl_size * |
| 1394 | sizeof(struct diag_write_device), GFP_KERNEL); |
| 1395 | if (driver->buf_tbl == NULL) |
| 1396 | goto err; |
Dixon Peterson | cc0bea77 | 2012-04-11 20:45:37 -0700 | [diff] [blame] | 1397 | kmemleak_not_leak(driver->buf_tbl); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1398 | if (driver->data_ready == NULL && |
| 1399 | (driver->data_ready = kzalloc(driver->num_clients * sizeof(int) |
| 1400 | , GFP_KERNEL)) == NULL) |
| 1401 | goto err; |
Dixon Peterson | cc0bea77 | 2012-04-11 20:45:37 -0700 | [diff] [blame] | 1402 | kmemleak_not_leak(driver->data_ready); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1403 | if (driver->table == NULL && |
Shalabh Jain | fe02b0c | 2012-02-21 14:48:03 -0800 | [diff] [blame] | 1404 | (driver->table = kzalloc(diag_max_reg* |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1405 | sizeof(struct diag_master_table), |
| 1406 | GFP_KERNEL)) == NULL) |
| 1407 | goto err; |
Dixon Peterson | cc0bea77 | 2012-04-11 20:45:37 -0700 | [diff] [blame] | 1408 | kmemleak_not_leak(driver->table); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1409 | if (driver->write_ptr_1 == NULL) { |
| 1410 | driver->write_ptr_1 = kzalloc( |
| 1411 | sizeof(struct diag_request), GFP_KERNEL); |
| 1412 | if (driver->write_ptr_1 == NULL) |
| 1413 | goto err; |
Dixon Peterson | cc0bea77 | 2012-04-11 20:45:37 -0700 | [diff] [blame] | 1414 | kmemleak_not_leak(driver->write_ptr_1); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1415 | } |
| 1416 | if (driver->write_ptr_2 == NULL) { |
| 1417 | driver->write_ptr_2 = kzalloc( |
| 1418 | sizeof(struct diag_request), GFP_KERNEL); |
| 1419 | if (driver->write_ptr_2 == NULL) |
| 1420 | goto err; |
Dixon Peterson | cc0bea77 | 2012-04-11 20:45:37 -0700 | [diff] [blame] | 1421 | kmemleak_not_leak(driver->write_ptr_2); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1422 | } |
Ashay Jaiswal | 8be3ce8 | 2012-09-13 16:01:54 -0700 | [diff] [blame] | 1423 | if (driver->write_ptr_lpass_1 == NULL) { |
| 1424 | driver->write_ptr_lpass_1 = kzalloc( |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1425 | sizeof(struct diag_request), GFP_KERNEL); |
Ashay Jaiswal | 8be3ce8 | 2012-09-13 16:01:54 -0700 | [diff] [blame] | 1426 | if (driver->write_ptr_lpass_1 == NULL) |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1427 | goto err; |
Ashay Jaiswal | 8be3ce8 | 2012-09-13 16:01:54 -0700 | [diff] [blame] | 1428 | kmemleak_not_leak(driver->write_ptr_lpass_1); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1429 | } |
Ashay Jaiswal | 8be3ce8 | 2012-09-13 16:01:54 -0700 | [diff] [blame] | 1430 | if (driver->write_ptr_lpass_2 == NULL) { |
| 1431 | driver->write_ptr_lpass_2 = kzalloc( |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1432 | sizeof(struct diag_request), GFP_KERNEL); |
Ashay Jaiswal | 8be3ce8 | 2012-09-13 16:01:54 -0700 | [diff] [blame] | 1433 | if (driver->write_ptr_lpass_2 == NULL) |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1434 | goto err; |
Ashay Jaiswal | 8be3ce8 | 2012-09-13 16:01:54 -0700 | [diff] [blame] | 1435 | kmemleak_not_leak(driver->write_ptr_lpass_2); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1436 | } |
Ashay Jaiswal | 2962012 | 2012-03-21 12:02:36 +0530 | [diff] [blame] | 1437 | if (driver->write_ptr_wcnss_1 == NULL) { |
| 1438 | driver->write_ptr_wcnss_1 = kzalloc( |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1439 | sizeof(struct diag_request), GFP_KERNEL); |
Ashay Jaiswal | 2962012 | 2012-03-21 12:02:36 +0530 | [diff] [blame] | 1440 | if (driver->write_ptr_wcnss_1 == NULL) |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1441 | goto err; |
Dixon Peterson | cc0bea77 | 2012-04-11 20:45:37 -0700 | [diff] [blame] | 1442 | kmemleak_not_leak(driver->write_ptr_wcnss_1); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1443 | } |
Ashay Jaiswal | 2962012 | 2012-03-21 12:02:36 +0530 | [diff] [blame] | 1444 | if (driver->write_ptr_wcnss_2 == NULL) { |
| 1445 | driver->write_ptr_wcnss_2 = kzalloc( |
| 1446 | sizeof(struct diag_request), GFP_KERNEL); |
| 1447 | if (driver->write_ptr_wcnss_2 == NULL) |
| 1448 | goto err; |
Dixon Peterson | cc0bea77 | 2012-04-11 20:45:37 -0700 | [diff] [blame] | 1449 | kmemleak_not_leak(driver->write_ptr_wcnss_2); |
Ashay Jaiswal | 2962012 | 2012-03-21 12:02:36 +0530 | [diff] [blame] | 1450 | } |
| 1451 | |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1452 | if (driver->usb_read_ptr == NULL) { |
| 1453 | driver->usb_read_ptr = kzalloc( |
| 1454 | sizeof(struct diag_request), GFP_KERNEL); |
| 1455 | if (driver->usb_read_ptr == NULL) |
| 1456 | goto err; |
Dixon Peterson | cc0bea77 | 2012-04-11 20:45:37 -0700 | [diff] [blame] | 1457 | kmemleak_not_leak(driver->usb_read_ptr); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1458 | } |
| 1459 | if (driver->pkt_buf == NULL && |
| 1460 | (driver->pkt_buf = kzalloc(PKT_SIZE, |
| 1461 | GFP_KERNEL)) == NULL) |
| 1462 | goto err; |
Dixon Peterson | cc0bea77 | 2012-04-11 20:45:37 -0700 | [diff] [blame] | 1463 | kmemleak_not_leak(driver->pkt_buf); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1464 | if (driver->apps_rsp_buf == NULL) { |
Shalabh Jain | 321c8b5 | 2012-02-22 12:37:06 -0800 | [diff] [blame] | 1465 | driver->apps_rsp_buf = kzalloc(APPS_BUF_SIZE, GFP_KERNEL); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1466 | if (driver->apps_rsp_buf == NULL) |
| 1467 | goto err; |
Dixon Peterson | cc0bea77 | 2012-04-11 20:45:37 -0700 | [diff] [blame] | 1468 | kmemleak_not_leak(driver->apps_rsp_buf); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1469 | } |
| 1470 | driver->diag_wq = create_singlethread_workqueue("diag_wq"); |
| 1471 | #ifdef CONFIG_DIAG_OVER_USB |
| 1472 | INIT_WORK(&(driver->diag_proc_hdlc_work), diag_process_hdlc_fn); |
| 1473 | INIT_WORK(&(driver->diag_read_work), diag_read_work_fn); |
| 1474 | driver->legacy_ch = usb_diag_open(DIAG_LEGACY, driver, |
| 1475 | diag_usb_legacy_notifier); |
| 1476 | if (IS_ERR(driver->legacy_ch)) { |
| 1477 | printk(KERN_ERR "Unable to open USB diag legacy channel\n"); |
| 1478 | goto err; |
| 1479 | } |
| 1480 | #endif |
| 1481 | platform_driver_register(&msm_smd_ch1_driver); |
| 1482 | platform_driver_register(&diag_smd_lite_driver); |
| 1483 | |
| 1484 | return; |
| 1485 | err: |
Dixon Peterson | d6a20a9 | 2012-09-27 15:58:50 -0700 | [diff] [blame^] | 1486 | pr_err("diag: Could not initialize diag buffers"); |
| 1487 | kfree(driver->buf_in_1); |
| 1488 | kfree(driver->buf_in_2); |
| 1489 | kfree(driver->buf_in_lpass_1); |
| 1490 | kfree(driver->buf_in_lpass_2); |
| 1491 | kfree(driver->buf_in_wcnss_1); |
| 1492 | kfree(driver->buf_in_wcnss_2); |
| 1493 | kfree(driver->buf_msg_mask_update); |
| 1494 | kfree(driver->buf_log_mask_update); |
| 1495 | kfree(driver->buf_event_mask_update); |
| 1496 | kfree(driver->usb_buf_out); |
| 1497 | kfree(driver->hdlc_buf); |
| 1498 | kfree(driver->client_map); |
| 1499 | kfree(driver->buf_tbl); |
| 1500 | kfree(driver->data_ready); |
| 1501 | kfree(driver->table); |
| 1502 | kfree(driver->pkt_buf); |
| 1503 | kfree(driver->write_ptr_1); |
| 1504 | kfree(driver->write_ptr_2); |
| 1505 | kfree(driver->write_ptr_lpass_1); |
| 1506 | kfree(driver->write_ptr_lpass_2); |
| 1507 | kfree(driver->write_ptr_wcnss_1); |
| 1508 | kfree(driver->write_ptr_wcnss_2); |
| 1509 | kfree(driver->usb_read_ptr); |
| 1510 | kfree(driver->apps_rsp_buf); |
| 1511 | kfree(driver->user_space_data); |
| 1512 | if (driver->diag_wq) |
| 1513 | destroy_workqueue(driver->diag_wq); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1514 | } |
| 1515 | |
| 1516 | void diagfwd_exit(void) |
| 1517 | { |
| 1518 | smd_close(driver->ch); |
Ashay Jaiswal | 8be3ce8 | 2012-09-13 16:01:54 -0700 | [diff] [blame] | 1519 | smd_close(driver->chlpass); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1520 | smd_close(driver->ch_wcnss); |
| 1521 | driver->ch = 0; /* SMD can make this NULL */ |
Ashay Jaiswal | 8be3ce8 | 2012-09-13 16:01:54 -0700 | [diff] [blame] | 1522 | driver->chlpass = 0; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1523 | driver->ch_wcnss = 0; |
| 1524 | #ifdef CONFIG_DIAG_OVER_USB |
| 1525 | if (driver->usb_connected) |
| 1526 | usb_diag_free_req(driver->legacy_ch); |
| 1527 | usb_diag_close(driver->legacy_ch); |
| 1528 | #endif |
| 1529 | platform_driver_unregister(&msm_smd_ch1_driver); |
Shalabh Jain | 1c99e4c | 2012-03-26 18:47:59 -0700 | [diff] [blame] | 1530 | platform_driver_unregister(&msm_diag_dci_driver); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1531 | platform_driver_unregister(&diag_smd_lite_driver); |
| 1532 | kfree(driver->buf_in_1); |
| 1533 | kfree(driver->buf_in_2); |
Ashay Jaiswal | 8be3ce8 | 2012-09-13 16:01:54 -0700 | [diff] [blame] | 1534 | kfree(driver->buf_in_lpass_1); |
| 1535 | kfree(driver->buf_in_lpass_2); |
Ashay Jaiswal | 2962012 | 2012-03-21 12:02:36 +0530 | [diff] [blame] | 1536 | kfree(driver->buf_in_wcnss_1); |
| 1537 | kfree(driver->buf_in_wcnss_2); |
Shalabh Jain | 321c8b5 | 2012-02-22 12:37:06 -0800 | [diff] [blame] | 1538 | kfree(driver->buf_msg_mask_update); |
| 1539 | kfree(driver->buf_log_mask_update); |
| 1540 | kfree(driver->buf_event_mask_update); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1541 | kfree(driver->usb_buf_out); |
| 1542 | kfree(driver->hdlc_buf); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1543 | kfree(driver->client_map); |
| 1544 | kfree(driver->buf_tbl); |
| 1545 | kfree(driver->data_ready); |
| 1546 | kfree(driver->table); |
| 1547 | kfree(driver->pkt_buf); |
| 1548 | kfree(driver->write_ptr_1); |
| 1549 | kfree(driver->write_ptr_2); |
Ashay Jaiswal | 8be3ce8 | 2012-09-13 16:01:54 -0700 | [diff] [blame] | 1550 | kfree(driver->write_ptr_lpass_1); |
| 1551 | kfree(driver->write_ptr_lpass_2); |
Ashay Jaiswal | 2962012 | 2012-03-21 12:02:36 +0530 | [diff] [blame] | 1552 | kfree(driver->write_ptr_wcnss_1); |
| 1553 | kfree(driver->write_ptr_wcnss_2); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1554 | kfree(driver->usb_read_ptr); |
| 1555 | kfree(driver->apps_rsp_buf); |
Shalabh Jain | 69890aa | 2011-10-10 12:59:16 -0700 | [diff] [blame] | 1556 | kfree(driver->user_space_data); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1557 | destroy_workqueue(driver->diag_wq); |
| 1558 | } |