Shalabh Jain | b0037c0 | 2013-01-18 12:47:40 -0800 | [diff] [blame] | 1 | /* Copyright (c) 2008-2013, The Linux Foundation. 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" |
Shalabh Jain | b0037c0 | 2013-01-18 12:47:40 -0800 | [diff] [blame] | 37 | #include "diagfwd_hsic.h" |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 38 | #include "diagchar_hdlc.h" |
| 39 | #ifdef CONFIG_DIAG_SDIO_PIPE |
| 40 | #include "diagfwd_sdio.h" |
| 41 | #endif |
Shalabh Jain | 1c99e4c | 2012-03-26 18:47:59 -0700 | [diff] [blame] | 42 | #include "diag_dci.h" |
Dixon Peterson | d6a20a9 | 2012-09-27 15:58:50 -0700 | [diff] [blame] | 43 | #include "diag_masks.h" |
Shalabh Jain | 737fca7 | 2012-11-14 21:53:43 -0800 | [diff] [blame] | 44 | #include "diagfwd_bridge.h" |
Shalabh Jain | 1c99e4c | 2012-03-26 18:47:59 -0700 | [diff] [blame] | 45 | |
Shalabh Jain | 6a2ca7c | 2012-04-10 14:35:15 -0700 | [diff] [blame] | 46 | #define MODE_CMD 41 |
| 47 | #define RESET_ID 2 |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 48 | |
| 49 | int diag_debug_buf_idx; |
| 50 | unsigned char diag_debug_buf[1024]; |
| 51 | static unsigned int buf_tbl_size = 8; /*Number of entries in table of buffers */ |
| 52 | struct diag_master_table entry; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 53 | struct diag_send_desc_type send = { NULL, NULL, DIAG_STATE_START, 0 }; |
| 54 | struct diag_hdlc_dest_type enc = { NULL, NULL, 0 }; |
Ravi Aravamudhan | f55dc1d | 2012-12-27 11:51:42 -0800 | [diff] [blame] | 55 | int wrap_enabled; |
| 56 | uint16_t wrap_count; |
Shalabh Jain | 6a2ca7c | 2012-04-10 14:35:15 -0700 | [diff] [blame] | 57 | |
Dixon Peterson | d6a20a9 | 2012-09-27 15:58:50 -0700 | [diff] [blame] | 58 | void encode_rsp_and_send(int buf_length) |
| 59 | { |
Dixon Peterson | eecbadb | 2012-12-10 21:59:28 -0800 | [diff] [blame] | 60 | struct diag_smd_info *data = &(driver->smd_data[MODEM_DATA]); |
Dixon Peterson | d6a20a9 | 2012-09-27 15:58:50 -0700 | [diff] [blame] | 61 | send.state = DIAG_STATE_START; |
| 62 | send.pkt = driver->apps_rsp_buf; |
| 63 | send.last = (void *)(driver->apps_rsp_buf + buf_length); |
| 64 | send.terminate = 1; |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 65 | if (!data->in_busy_1) { |
| 66 | enc.dest = data->buf_in_1; |
| 67 | enc.dest_last = (void *)(data->buf_in_1 + APPS_BUF_SIZE - 1); |
Dixon Peterson | d6a20a9 | 2012-09-27 15:58:50 -0700 | [diff] [blame] | 68 | diag_hdlc_encode(&send, &enc); |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 69 | data->write_ptr_1->buf = data->buf_in_1; |
| 70 | data->write_ptr_1->length = (int)(enc.dest - |
| 71 | (void *)(data->buf_in_1)); |
| 72 | data->in_busy_1 = 1; |
Dixon Peterson | eecbadb | 2012-12-10 21:59:28 -0800 | [diff] [blame] | 73 | diag_device_write(data->buf_in_1, data->peripheral, |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 74 | data->write_ptr_1); |
Dixon Peterson | d6a20a9 | 2012-09-27 15:58:50 -0700 | [diff] [blame] | 75 | memset(driver->apps_rsp_buf, '\0', APPS_BUF_SIZE); |
| 76 | } |
| 77 | } |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 78 | |
Dixon Peterson | b4618a4 | 2012-02-29 18:56:31 -0800 | [diff] [blame] | 79 | /* Determine if this device uses a device tree */ |
| 80 | #ifdef CONFIG_OF |
| 81 | static int has_device_tree(void) |
| 82 | { |
| 83 | struct device_node *node; |
| 84 | |
| 85 | node = of_find_node_by_path("/"); |
| 86 | if (node) { |
| 87 | of_node_put(node); |
| 88 | return 1; |
| 89 | } |
| 90 | return 0; |
| 91 | } |
| 92 | #else |
| 93 | static int has_device_tree(void) |
| 94 | { |
| 95 | return 0; |
| 96 | } |
| 97 | #endif |
| 98 | |
Shalabh Jain | fb8e3c1 | 2011-10-19 17:29:42 -0700 | [diff] [blame] | 99 | int chk_config_get_id(void) |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 100 | { |
Shashank Mittal | 2477163 | 2013-02-06 19:34:57 -0800 | [diff] [blame] | 101 | /* For all Fusion targets, Modem will always be present */ |
Shalabh Jain | 482bf12 | 2011-12-06 03:54:47 -0800 | [diff] [blame] | 102 | if (machine_is_msm8x60_fusion() || machine_is_msm8x60_fusn_ffa()) |
| 103 | return 0; |
| 104 | |
Dixon Peterson | b4618a4 | 2012-02-29 18:56:31 -0800 | [diff] [blame] | 105 | if (driver->use_device_tree) { |
Abhimanyu Kapur | 90ced6e | 2012-06-26 17:41:25 -0700 | [diff] [blame] | 106 | if (machine_is_msm8974()) |
Dixon Peterson | b4618a4 | 2012-02-29 18:56:31 -0800 | [diff] [blame] | 107 | return MSM8974_TOOLS_ID; |
| 108 | else |
| 109 | return 0; |
| 110 | } else { |
| 111 | switch (socinfo_get_msm_cpu()) { |
| 112 | case MSM_CPU_8X60: |
| 113 | return APQ8060_TOOLS_ID; |
| 114 | case MSM_CPU_8960: |
Stepan Moskovchenko | 9c74926 | 2012-07-09 19:30:44 -0700 | [diff] [blame] | 115 | case MSM_CPU_8960AB: |
Dixon Peterson | b4618a4 | 2012-02-29 18:56:31 -0800 | [diff] [blame] | 116 | return AO8960_TOOLS_ID; |
| 117 | case MSM_CPU_8064: |
Jay Chokshi | 11abd8b | 2012-09-20 14:35:17 -0700 | [diff] [blame] | 118 | case MSM_CPU_8064AB: |
Shashank Mittal | 2477163 | 2013-02-06 19:34:57 -0800 | [diff] [blame] | 119 | case MSM_CPU_8064AA: |
Dixon Peterson | b4618a4 | 2012-02-29 18:56:31 -0800 | [diff] [blame] | 120 | return APQ8064_TOOLS_ID; |
| 121 | case MSM_CPU_8930: |
Stepan Moskovchenko | 0df9bb2 | 2012-07-06 18:19:15 -0700 | [diff] [blame] | 122 | case MSM_CPU_8930AA: |
Stepan Moskovchenko | ecb0d9b | 2012-10-16 18:35:34 -0700 | [diff] [blame] | 123 | case MSM_CPU_8930AB: |
Dixon Peterson | b4618a4 | 2012-02-29 18:56:31 -0800 | [diff] [blame] | 124 | return MSM8930_TOOLS_ID; |
Abhimanyu Kapur | 90ced6e | 2012-06-26 17:41:25 -0700 | [diff] [blame] | 125 | case MSM_CPU_8974: |
Dixon Peterson | b4618a4 | 2012-02-29 18:56:31 -0800 | [diff] [blame] | 126 | return MSM8974_TOOLS_ID; |
| 127 | case MSM_CPU_8625: |
| 128 | return MSM8625_TOOLS_ID; |
| 129 | default: |
| 130 | return 0; |
| 131 | } |
Shalabh Jain | fb8e3c1 | 2011-10-19 17:29:42 -0700 | [diff] [blame] | 132 | } |
| 133 | } |
| 134 | |
| 135 | /* |
Shalabh Jain | 321c8b5 | 2012-02-22 12:37:06 -0800 | [diff] [blame] | 136 | * 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] | 137 | * This applies to 8960 and newer targets. |
| 138 | */ |
| 139 | int chk_apps_only(void) |
| 140 | { |
Dixon Peterson | b4618a4 | 2012-02-29 18:56:31 -0800 | [diff] [blame] | 141 | if (driver->use_device_tree) |
| 142 | return 1; |
| 143 | |
| 144 | switch (socinfo_get_msm_cpu()) { |
| 145 | case MSM_CPU_8960: |
Stepan Moskovchenko | 9c74926 | 2012-07-09 19:30:44 -0700 | [diff] [blame] | 146 | case MSM_CPU_8960AB: |
Dixon Peterson | b4618a4 | 2012-02-29 18:56:31 -0800 | [diff] [blame] | 147 | case MSM_CPU_8064: |
Jay Chokshi | 11abd8b | 2012-09-20 14:35:17 -0700 | [diff] [blame] | 148 | case MSM_CPU_8064AB: |
Shashank Mittal | 2477163 | 2013-02-06 19:34:57 -0800 | [diff] [blame] | 149 | case MSM_CPU_8064AA: |
Dixon Peterson | b4618a4 | 2012-02-29 18:56:31 -0800 | [diff] [blame] | 150 | case MSM_CPU_8930: |
Stepan Moskovchenko | 0df9bb2 | 2012-07-06 18:19:15 -0700 | [diff] [blame] | 151 | case MSM_CPU_8930AA: |
Stepan Moskovchenko | ecb0d9b | 2012-10-16 18:35:34 -0700 | [diff] [blame] | 152 | case MSM_CPU_8930AB: |
Dixon Peterson | b4618a4 | 2012-02-29 18:56:31 -0800 | [diff] [blame] | 153 | case MSM_CPU_8627: |
| 154 | case MSM_CPU_9615: |
Abhimanyu Kapur | 90ced6e | 2012-06-26 17:41:25 -0700 | [diff] [blame] | 155 | case MSM_CPU_8974: |
Shalabh Jain | fb8e3c1 | 2011-10-19 17:29:42 -0700 | [diff] [blame] | 156 | return 1; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 157 | default: |
| 158 | return 0; |
| 159 | } |
| 160 | } |
| 161 | |
Shalabh Jain | 10f5f43 | 2012-01-11 11:45:44 +0530 | [diff] [blame] | 162 | /* |
| 163 | * This will return TRUE for targets which support apps as master. |
| 164 | * Thus, SW DLOAD and Mode Reset are supported on apps processor. |
| 165 | * This applies to 8960 and newer targets. |
| 166 | */ |
| 167 | int chk_apps_master(void) |
| 168 | { |
Dixon Peterson | b4618a4 | 2012-02-29 18:56:31 -0800 | [diff] [blame] | 169 | if (driver->use_device_tree) |
| 170 | return 1; |
Stepan Moskovchenko | 5b9e776 | 2012-09-21 20:32:17 -0700 | [diff] [blame] | 171 | else if (soc_class_is_msm8960() || soc_class_is_msm8930() || |
| 172 | soc_class_is_apq8064() || cpu_is_msm9615()) |
Dixon Peterson | b4618a4 | 2012-02-29 18:56:31 -0800 | [diff] [blame] | 173 | return 1; |
| 174 | else |
| 175 | return 0; |
| 176 | } |
| 177 | |
Dixon Peterson | 29aebee | 2012-04-06 12:44:08 -0700 | [diff] [blame] | 178 | int chk_polling_response(void) |
Dixon Peterson | b4618a4 | 2012-02-29 18:56:31 -0800 | [diff] [blame] | 179 | { |
| 180 | if (!(driver->polling_reg_flag) && chk_apps_master()) |
| 181 | /* |
| 182 | * If the apps processor is master and no other processor |
| 183 | * has registered to respond for polling |
| 184 | */ |
| 185 | return 1; |
Dixon Peterson | eecbadb | 2012-12-10 21:59:28 -0800 | [diff] [blame] | 186 | else if (!(driver->smd_data[MODEM_DATA].ch) && |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 187 | !(chk_apps_master())) |
Dixon Peterson | b4618a4 | 2012-02-29 18:56:31 -0800 | [diff] [blame] | 188 | /* |
| 189 | * If the apps processor is not the master and the modem |
| 190 | * is not up |
| 191 | */ |
Shalabh Jain | 10f5f43 | 2012-01-11 11:45:44 +0530 | [diff] [blame] | 192 | return 1; |
| 193 | else |
| 194 | return 0; |
| 195 | } |
| 196 | |
Dixon Peterson | 743a11e | 2012-07-30 17:42:20 -0700 | [diff] [blame] | 197 | /* |
| 198 | * This function should be called if you feel that the logging process may |
| 199 | * need to be woken up. For instance, if the logging mode is MEMORY_DEVICE MODE |
| 200 | * and while trying to read data from a SMD data channel there are no buffers |
| 201 | * available to read the data into, then this function should be called to |
| 202 | * determine if the logging process needs to be woken up. |
| 203 | */ |
| 204 | void chk_logging_wakeup(void) |
| 205 | { |
| 206 | int i; |
| 207 | |
| 208 | /* Find the index of the logging process */ |
| 209 | for (i = 0; i < driver->num_clients; i++) |
| 210 | if (driver->client_map[i].pid == |
| 211 | driver->logging_process_id) |
| 212 | break; |
| 213 | |
| 214 | if (i < driver->num_clients) { |
| 215 | /* At very high logging rates a race condition can |
| 216 | * occur where the buffers containing the data from |
| 217 | * an smd channel are all in use, but the data_ready |
| 218 | * flag is cleared. In this case, the buffers never |
| 219 | * have their data read/logged. Detect and remedy this |
| 220 | * situation. |
| 221 | */ |
Shalabh Jain | 84e3034 | 2012-10-16 16:16:08 -0700 | [diff] [blame] | 222 | if ((driver->data_ready[i] & USER_SPACE_DATA_TYPE) == 0) { |
| 223 | driver->data_ready[i] |= USER_SPACE_DATA_TYPE; |
Dixon Peterson | 743a11e | 2012-07-30 17:42:20 -0700 | [diff] [blame] | 224 | pr_debug("diag: Force wakeup of logging process\n"); |
| 225 | wake_up_interruptible(&driver->wait_q); |
| 226 | } |
| 227 | } |
| 228 | } |
| 229 | |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 230 | /* Process the data read from the smd data channel */ |
| 231 | int diag_process_smd_read_data(struct diag_smd_info *smd_info, void *buf, |
| 232 | int total_recd) |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 233 | { |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 234 | struct diag_request *write_ptr_modem = NULL; |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 235 | int *in_busy_ptr = 0; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 236 | |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 237 | if (smd_info->buf_in_1 == buf) { |
| 238 | write_ptr_modem = smd_info->write_ptr_1; |
| 239 | in_busy_ptr = &smd_info->in_busy_1; |
| 240 | } else if (smd_info->buf_in_2 == buf) { |
| 241 | write_ptr_modem = smd_info->write_ptr_2; |
| 242 | in_busy_ptr = &smd_info->in_busy_2; |
| 243 | } else { |
| 244 | pr_err("diag: In %s, no match for in_busy_1\n", __func__); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 245 | } |
| 246 | |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 247 | if (write_ptr_modem) { |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 248 | write_ptr_modem->length = total_recd; |
| 249 | *in_busy_ptr = 1; |
Dixon Peterson | eecbadb | 2012-12-10 21:59:28 -0800 | [diff] [blame] | 250 | diag_device_write(buf, smd_info->peripheral, write_ptr_modem); |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 251 | } |
| 252 | |
| 253 | return 0; |
| 254 | } |
| 255 | |
| 256 | void diag_smd_send_req(struct diag_smd_info *smd_info) |
| 257 | { |
| 258 | void *buf = NULL, *temp_buf = NULL; |
| 259 | int total_recd = 0, r = 0, pkt_len; |
| 260 | int loop_count = 0; |
| 261 | int notify = 0; |
| 262 | |
| 263 | if (!smd_info) { |
| 264 | pr_err("diag: In %s, no smd info. Not able to read.\n", |
| 265 | __func__); |
| 266 | return; |
| 267 | } |
| 268 | |
| 269 | if (!smd_info->in_busy_1) |
| 270 | buf = smd_info->buf_in_1; |
| 271 | else if ((smd_info->type == SMD_DATA_TYPE) && !smd_info->in_busy_2) |
| 272 | buf = smd_info->buf_in_2; |
| 273 | |
| 274 | if (smd_info->ch && buf) { |
Shalabh Jain | c70b3b6 | 2012-08-31 19:11:20 -0700 | [diff] [blame] | 275 | temp_buf = buf; |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 276 | pkt_len = smd_cur_packet_size(smd_info->ch); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 277 | |
Shalabh Jain | c70b3b6 | 2012-08-31 19:11:20 -0700 | [diff] [blame] | 278 | while (pkt_len && (pkt_len != total_recd)) { |
| 279 | loop_count++; |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 280 | r = smd_read_avail(smd_info->ch); |
Shalabh Jain | c70b3b6 | 2012-08-31 19:11:20 -0700 | [diff] [blame] | 281 | pr_debug("diag: In %s, received pkt %d %d\n", |
| 282 | __func__, r, total_recd); |
| 283 | if (!r) { |
| 284 | /* Nothing to read from SMD */ |
| 285 | wait_event(driver->smd_wait_q, |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 286 | ((smd_info->ch == 0) || |
| 287 | smd_read_avail(smd_info->ch))); |
Shalabh Jain | c70b3b6 | 2012-08-31 19:11:20 -0700 | [diff] [blame] | 288 | /* If the smd channel is open */ |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 289 | if (smd_info->ch) { |
Shalabh Jain | c70b3b6 | 2012-08-31 19:11:20 -0700 | [diff] [blame] | 290 | pr_debug("diag: In %s, return from wait_event\n", |
| 291 | __func__); |
| 292 | continue; |
| 293 | } else { |
| 294 | pr_debug("diag: In %s, return from wait_event ch closed\n", |
| 295 | __func__); |
| 296 | return; |
| 297 | } |
| 298 | } |
| 299 | total_recd += r; |
| 300 | if (total_recd > IN_BUF_SIZE) { |
| 301 | if (total_recd < MAX_IN_BUF_SIZE) { |
| 302 | pr_err("diag: In %s, SMD sending in packets up to %d bytes\n", |
| 303 | __func__, total_recd); |
| 304 | buf = krealloc(buf, total_recd, |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 305 | GFP_KERNEL); |
Shalabh Jain | c70b3b6 | 2012-08-31 19:11:20 -0700 | [diff] [blame] | 306 | } else { |
| 307 | pr_err("diag: In %s, SMD sending in packets more than %d bytes\n", |
| 308 | __func__, MAX_IN_BUF_SIZE); |
| 309 | return; |
| 310 | } |
| 311 | } |
| 312 | if (pkt_len < r) { |
| 313 | pr_err("diag: In %s, SMD sending incorrect pkt\n", |
| 314 | __func__); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 315 | return; |
| 316 | } |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 317 | if (pkt_len > r) { |
| 318 | pr_err("diag: In %s, SMD sending partial pkt %d %d %d %d %d %d\n", |
| 319 | __func__, pkt_len, r, total_recd, loop_count, |
| 320 | smd_info->peripheral, smd_info->type); |
| 321 | } |
| 322 | |
Shalabh Jain | c70b3b6 | 2012-08-31 19:11:20 -0700 | [diff] [blame] | 323 | /* keep reading for complete packet */ |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 324 | smd_read(smd_info->ch, temp_buf, r); |
Shalabh Jain | c70b3b6 | 2012-08-31 19:11:20 -0700 | [diff] [blame] | 325 | temp_buf += r; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 326 | } |
Shalabh Jain | c70b3b6 | 2012-08-31 19:11:20 -0700 | [diff] [blame] | 327 | |
| 328 | if (total_recd > 0) { |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 329 | if (!buf) { |
Shalabh Jain | c70b3b6 | 2012-08-31 19:11:20 -0700 | [diff] [blame] | 330 | pr_err("diag: Out of diagmem for Modem\n"); |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 331 | } else if (smd_info->process_smd_read_data) { |
| 332 | notify = smd_info->process_smd_read_data( |
| 333 | smd_info, buf, total_recd); |
| 334 | /* Poll SMD channels to check for data */ |
| 335 | if (notify) |
| 336 | diag_smd_notify(smd_info, |
| 337 | SMD_EVENT_DATA); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 338 | } |
| 339 | } |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 340 | } else if (smd_info->ch && !buf && |
Dixon Peterson | 743a11e | 2012-07-30 17:42:20 -0700 | [diff] [blame] | 341 | (driver->logging_mode == MEMORY_DEVICE_MODE)) { |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 342 | chk_logging_wakeup(); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 343 | } |
| 344 | } |
| 345 | |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 346 | void diag_read_smd_work_fn(struct work_struct *work) |
| 347 | { |
| 348 | struct diag_smd_info *smd_info = container_of(work, |
| 349 | struct diag_smd_info, |
| 350 | diag_read_smd_work); |
| 351 | diag_smd_send_req(smd_info); |
| 352 | } |
| 353 | |
Dixon Peterson | 13046ed | 2013-02-21 17:35:35 -0800 | [diff] [blame] | 354 | #ifdef CONFIG_DIAGFWD_BRIDGE_CODE |
| 355 | static void diag_mem_dev_mode_ready_update(int index, int hsic_updated) |
| 356 | { |
| 357 | if (hsic_updated) { |
| 358 | unsigned long flags; |
| 359 | spin_lock_irqsave(&driver->hsic_ready_spinlock, flags); |
| 360 | driver->data_ready[index] |= USER_SPACE_DATA_TYPE; |
| 361 | spin_unlock_irqrestore(&driver->hsic_ready_spinlock, flags); |
| 362 | } else { |
| 363 | driver->data_ready[index] |= USER_SPACE_DATA_TYPE; |
| 364 | } |
| 365 | } |
| 366 | #else |
| 367 | static void diag_mem_dev_mode_ready_update(int index, int hsic_updated) |
| 368 | { |
| 369 | (void) hsic_updated; |
| 370 | driver->data_ready[index] |= USER_SPACE_DATA_TYPE; |
| 371 | } |
| 372 | #endif |
Dixon Peterson | eecbadb | 2012-12-10 21:59:28 -0800 | [diff] [blame] | 373 | int diag_device_write(void *buf, int data_type, struct diag_request *write_ptr) |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 374 | { |
Shalabh Jain | b0037c0 | 2013-01-18 12:47:40 -0800 | [diff] [blame] | 375 | int i, err = 0, index; |
| 376 | index = 0; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 377 | |
| 378 | if (driver->logging_mode == MEMORY_DEVICE_MODE) { |
Dixon Peterson | 13046ed | 2013-02-21 17:35:35 -0800 | [diff] [blame] | 379 | int hsic_updated = 0; |
Dixon Peterson | eecbadb | 2012-12-10 21:59:28 -0800 | [diff] [blame] | 380 | if (data_type == APPS_DATA) { |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 381 | for (i = 0; i < driver->poolsize_write_struct; i++) |
| 382 | if (driver->buf_tbl[i].length == 0) { |
| 383 | driver->buf_tbl[i].buf = buf; |
| 384 | driver->buf_tbl[i].length = |
| 385 | driver->used; |
| 386 | #ifdef DIAG_DEBUG |
| 387 | pr_debug("diag: ENQUEUE buf ptr" |
| 388 | " and length is %x , %d\n", |
| 389 | (unsigned int)(driver->buf_ |
| 390 | tbl[i].buf), driver->buf_tbl[i].length); |
| 391 | #endif |
| 392 | break; |
| 393 | } |
| 394 | } |
Dixon Peterson | 938f860 | 2012-08-17 20:02:57 -0700 | [diff] [blame] | 395 | |
Shalabh Jain | 737fca7 | 2012-11-14 21:53:43 -0800 | [diff] [blame] | 396 | #ifdef CONFIG_DIAGFWD_BRIDGE_CODE |
Shalabh Jain | b0037c0 | 2013-01-18 12:47:40 -0800 | [diff] [blame] | 397 | else if (data_type == HSIC_DATA || data_type == HSIC_2_DATA) { |
Dixon Peterson | 5db2e3c | 2012-09-06 19:13:14 -0700 | [diff] [blame] | 398 | unsigned long flags; |
| 399 | int foundIndex = -1; |
Dixon Peterson | 13046ed | 2013-02-21 17:35:35 -0800 | [diff] [blame] | 400 | hsic_updated = 1; |
Shalabh Jain | b0037c0 | 2013-01-18 12:47:40 -0800 | [diff] [blame] | 401 | index = data_type - HSIC_DATA; |
| 402 | spin_lock_irqsave(&diag_hsic[index].hsic_spinlock, |
| 403 | flags); |
| 404 | for (i = 0; i < diag_hsic[index].poolsize_hsic_write; |
| 405 | i++) { |
| 406 | if (diag_hsic[index].hsic_buf_tbl[i].length |
| 407 | == 0) { |
| 408 | diag_hsic[index].hsic_buf_tbl[i].buf |
| 409 | = buf; |
| 410 | diag_hsic[index].hsic_buf_tbl[i].length |
| 411 | = diag_bridge[index].write_len; |
| 412 | diag_hsic[index]. |
| 413 | num_hsic_buf_tbl_entries++; |
Dixon Peterson | 5db2e3c | 2012-09-06 19:13:14 -0700 | [diff] [blame] | 414 | foundIndex = i; |
Dixon Peterson | 938f860 | 2012-08-17 20:02:57 -0700 | [diff] [blame] | 415 | break; |
| 416 | } |
| 417 | } |
Shalabh Jain | b0037c0 | 2013-01-18 12:47:40 -0800 | [diff] [blame] | 418 | spin_unlock_irqrestore(&diag_hsic[index].hsic_spinlock, |
| 419 | flags); |
Dixon Peterson | 5db2e3c | 2012-09-06 19:13:14 -0700 | [diff] [blame] | 420 | if (foundIndex == -1) |
| 421 | err = -1; |
| 422 | else |
Shalabh Jain | b0037c0 | 2013-01-18 12:47:40 -0800 | [diff] [blame] | 423 | pr_debug("diag: ENQUEUE HSIC buf ptr and length is %x , %d, ch %d\n", |
Dixon Peterson | 5db2e3c | 2012-09-06 19:13:14 -0700 | [diff] [blame] | 424 | (unsigned int)buf, |
Shalabh Jain | b0037c0 | 2013-01-18 12:47:40 -0800 | [diff] [blame] | 425 | diag_bridge[index].write_len, index); |
Dixon Peterson | 938f860 | 2012-08-17 20:02:57 -0700 | [diff] [blame] | 426 | } |
| 427 | #endif |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 428 | for (i = 0; i < driver->num_clients; i++) |
| 429 | if (driver->client_map[i].pid == |
| 430 | driver->logging_process_id) |
| 431 | break; |
| 432 | if (i < driver->num_clients) { |
Dixon Peterson | 13046ed | 2013-02-21 17:35:35 -0800 | [diff] [blame] | 433 | diag_mem_dev_mode_ready_update(i, hsic_updated); |
Dixon Peterson | f79b66f | 2012-04-26 13:21:26 -0700 | [diff] [blame] | 434 | pr_debug("diag: wake up logging process\n"); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 435 | wake_up_interruptible(&driver->wait_q); |
| 436 | } else |
| 437 | return -EINVAL; |
| 438 | } else if (driver->logging_mode == NO_LOGGING_MODE) { |
Dixon Peterson | eecbadb | 2012-12-10 21:59:28 -0800 | [diff] [blame] | 439 | if ((data_type >= 0) && (data_type < NUM_SMD_DATA_CHANNELS)) { |
| 440 | driver->smd_data[data_type].in_busy_1 = 0; |
| 441 | driver->smd_data[data_type].in_busy_2 = 0; |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 442 | queue_work(driver->diag_wq, |
Dixon Peterson | eecbadb | 2012-12-10 21:59:28 -0800 | [diff] [blame] | 443 | &(driver->smd_data[data_type]. |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 444 | diag_read_smd_work)); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 445 | } |
Shalabh Jain | 482bf12 | 2011-12-06 03:54:47 -0800 | [diff] [blame] | 446 | #ifdef CONFIG_DIAG_SDIO_PIPE |
Dixon Peterson | eecbadb | 2012-12-10 21:59:28 -0800 | [diff] [blame] | 447 | else if (data_type == SDIO_DATA) { |
Shalabh Jain | 482bf12 | 2011-12-06 03:54:47 -0800 | [diff] [blame] | 448 | driver->in_busy_sdio = 0; |
| 449 | queue_work(driver->diag_sdio_wq, |
| 450 | &(driver->diag_read_sdio_work)); |
| 451 | } |
| 452 | #endif |
Shalabh Jain | 737fca7 | 2012-11-14 21:53:43 -0800 | [diff] [blame] | 453 | #ifdef CONFIG_DIAGFWD_BRIDGE_CODE |
Shalabh Jain | b0037c0 | 2013-01-18 12:47:40 -0800 | [diff] [blame] | 454 | else if (data_type == HSIC_DATA || data_type == HSIC_2_DATA) { |
| 455 | index = data_type - HSIC_DATA; |
| 456 | if (diag_hsic[index].hsic_ch) |
| 457 | queue_work(diag_bridge[index].wq, |
| 458 | &(diag_hsic[index]. |
| 459 | diag_read_hsic_work)); |
Dixon Peterson | f79b66f | 2012-04-26 13:21:26 -0700 | [diff] [blame] | 460 | } |
| 461 | #endif |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 462 | err = -1; |
| 463 | } |
| 464 | #ifdef CONFIG_DIAG_OVER_USB |
| 465 | else if (driver->logging_mode == USB_MODE) { |
Dixon Peterson | eecbadb | 2012-12-10 21:59:28 -0800 | [diff] [blame] | 466 | if (data_type == APPS_DATA) { |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 467 | driver->write_ptr_svc = (struct diag_request *) |
| 468 | (diagmem_alloc(driver, sizeof(struct diag_request), |
| 469 | POOL_TYPE_WRITE_STRUCT)); |
| 470 | if (driver->write_ptr_svc) { |
| 471 | driver->write_ptr_svc->length = driver->used; |
| 472 | driver->write_ptr_svc->buf = buf; |
| 473 | err = usb_diag_write(driver->legacy_ch, |
| 474 | driver->write_ptr_svc); |
| 475 | } else |
| 476 | err = -1; |
Dixon Peterson | eecbadb | 2012-12-10 21:59:28 -0800 | [diff] [blame] | 477 | } else if ((data_type >= 0) && |
| 478 | (data_type < NUM_SMD_DATA_CHANNELS)) { |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 479 | write_ptr->buf = buf; |
| 480 | #ifdef DIAG_DEBUG |
| 481 | printk(KERN_INFO "writing data to USB," |
| 482 | "pkt length %d\n", write_ptr->length); |
| 483 | print_hex_dump(KERN_DEBUG, "Written Packet Data to" |
| 484 | " USB: ", 16, 1, DUMP_PREFIX_ADDRESS, |
| 485 | buf, write_ptr->length, 1); |
| 486 | #endif /* DIAG DEBUG */ |
| 487 | err = usb_diag_write(driver->legacy_ch, write_ptr); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 488 | } |
| 489 | #ifdef CONFIG_DIAG_SDIO_PIPE |
Dixon Peterson | eecbadb | 2012-12-10 21:59:28 -0800 | [diff] [blame] | 490 | else if (data_type == SDIO_DATA) { |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 491 | if (machine_is_msm8x60_fusion() || |
Shalabh Jain | 482bf12 | 2011-12-06 03:54:47 -0800 | [diff] [blame] | 492 | machine_is_msm8x60_fusn_ffa()) { |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 493 | write_ptr->buf = buf; |
| 494 | err = usb_diag_write(driver->mdm_ch, write_ptr); |
| 495 | } else |
Dixon Peterson | 32e70bb | 2011-12-16 13:26:45 -0800 | [diff] [blame] | 496 | pr_err("diag: Incorrect sdio data " |
| 497 | "while USB write\n"); |
| 498 | } |
| 499 | #endif |
Shalabh Jain | 737fca7 | 2012-11-14 21:53:43 -0800 | [diff] [blame] | 500 | #ifdef CONFIG_DIAGFWD_BRIDGE_CODE |
Shalabh Jain | b0037c0 | 2013-01-18 12:47:40 -0800 | [diff] [blame] | 501 | else if (data_type == HSIC_DATA || data_type == HSIC_2_DATA) { |
| 502 | index = data_type - HSIC_DATA; |
| 503 | if (diag_hsic[index].hsic_device_enabled) { |
Dixon Peterson | 938f860 | 2012-08-17 20:02:57 -0700 | [diff] [blame] | 504 | struct diag_request *write_ptr_mdm; |
| 505 | write_ptr_mdm = (struct diag_request *) |
| 506 | diagmem_alloc(driver, |
| 507 | sizeof(struct diag_request), |
Shalabh Jain | b0037c0 | 2013-01-18 12:47:40 -0800 | [diff] [blame] | 508 | index + |
Dixon Peterson | 938f860 | 2012-08-17 20:02:57 -0700 | [diff] [blame] | 509 | POOL_TYPE_HSIC_WRITE); |
| 510 | if (write_ptr_mdm) { |
| 511 | write_ptr_mdm->buf = buf; |
| 512 | write_ptr_mdm->length = |
Shalabh Jain | b0037c0 | 2013-01-18 12:47:40 -0800 | [diff] [blame] | 513 | diag_bridge[index].write_len; |
| 514 | write_ptr_mdm->context = (void *)index; |
Shalabh Jain | 737fca7 | 2012-11-14 21:53:43 -0800 | [diff] [blame] | 515 | err = usb_diag_write( |
Shalabh Jain | b0037c0 | 2013-01-18 12:47:40 -0800 | [diff] [blame] | 516 | diag_bridge[index].ch, write_ptr_mdm); |
Dixon Peterson | 938f860 | 2012-08-17 20:02:57 -0700 | [diff] [blame] | 517 | /* Return to the pool immediately */ |
| 518 | if (err) { |
| 519 | diagmem_free(driver, |
| 520 | write_ptr_mdm, |
Shalabh Jain | b0037c0 | 2013-01-18 12:47:40 -0800 | [diff] [blame] | 521 | index + |
Dixon Peterson | 938f860 | 2012-08-17 20:02:57 -0700 | [diff] [blame] | 522 | POOL_TYPE_HSIC_WRITE); |
Shalabh Jain | b0037c0 | 2013-01-18 12:47:40 -0800 | [diff] [blame] | 523 | pr_err_ratelimited("diag: HSIC write failure, err: %d, ch %d\n", |
| 524 | err, index); |
Dixon Peterson | 938f860 | 2012-08-17 20:02:57 -0700 | [diff] [blame] | 525 | } |
| 526 | } else { |
| 527 | pr_err("diag: allocate write fail\n"); |
| 528 | err = -1; |
| 529 | } |
| 530 | } else { |
Shalabh Jain | 737fca7 | 2012-11-14 21:53:43 -0800 | [diff] [blame] | 531 | pr_err("diag: Incorrect HSIC data " |
Dixon Peterson | 32e70bb | 2011-12-16 13:26:45 -0800 | [diff] [blame] | 532 | "while USB write\n"); |
Dixon Peterson | 938f860 | 2012-08-17 20:02:57 -0700 | [diff] [blame] | 533 | err = -1; |
| 534 | } |
Dixon Peterson | eecbadb | 2012-12-10 21:59:28 -0800 | [diff] [blame] | 535 | } else if (data_type == SMUX_DATA) { |
Shalabh Jain | f7228dc | 2012-05-23 17:32:05 -0700 | [diff] [blame] | 536 | write_ptr->buf = buf; |
Shalabh Jain | 737fca7 | 2012-11-14 21:53:43 -0800 | [diff] [blame] | 537 | write_ptr->context = (void *)SMUX; |
Shalabh Jain | f7228dc | 2012-05-23 17:32:05 -0700 | [diff] [blame] | 538 | pr_debug("diag: writing SMUX data\n"); |
Shalabh Jain | 737fca7 | 2012-11-14 21:53:43 -0800 | [diff] [blame] | 539 | err = usb_diag_write(diag_bridge[SMUX].ch, |
| 540 | write_ptr); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 541 | } |
| 542 | #endif |
| 543 | APPEND_DEBUG('d'); |
| 544 | } |
| 545 | #endif /* DIAG OVER USB */ |
| 546 | return err; |
| 547 | } |
| 548 | |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 549 | static void diag_update_pkt_buffer(unsigned char *buf) |
| 550 | { |
| 551 | unsigned char *ptr = driver->pkt_buf; |
| 552 | unsigned char *temp = buf; |
| 553 | |
| 554 | mutex_lock(&driver->diagchar_mutex); |
| 555 | if (CHK_OVERFLOW(ptr, ptr, ptr + PKT_SIZE, driver->pkt_length)) |
| 556 | memcpy(ptr, temp , driver->pkt_length); |
| 557 | else |
| 558 | printk(KERN_CRIT " Not enough buffer space for PKT_RESP\n"); |
| 559 | mutex_unlock(&driver->diagchar_mutex); |
| 560 | } |
| 561 | |
| 562 | void diag_update_userspace_clients(unsigned int type) |
| 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 != 0) |
| 569 | driver->data_ready[i] |= type; |
| 570 | wake_up_interruptible(&driver->wait_q); |
| 571 | mutex_unlock(&driver->diagchar_mutex); |
| 572 | } |
| 573 | |
Shalabh Jain | 1c99e4c | 2012-03-26 18:47:59 -0700 | [diff] [blame] | 574 | void diag_update_sleeping_process(int process_id, int data_type) |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 575 | { |
| 576 | int i; |
| 577 | |
| 578 | mutex_lock(&driver->diagchar_mutex); |
| 579 | for (i = 0; i < driver->num_clients; i++) |
| 580 | if (driver->client_map[i].pid == process_id) { |
Shalabh Jain | 1c99e4c | 2012-03-26 18:47:59 -0700 | [diff] [blame] | 581 | driver->data_ready[i] |= data_type; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 582 | break; |
| 583 | } |
| 584 | wake_up_interruptible(&driver->wait_q); |
| 585 | mutex_unlock(&driver->diagchar_mutex); |
| 586 | } |
| 587 | |
Dixon Peterson | eecbadb | 2012-12-10 21:59:28 -0800 | [diff] [blame] | 588 | static int diag_check_mode_reset(unsigned char *buf) |
| 589 | { |
| 590 | int is_mode_reset = 0; |
| 591 | if (chk_apps_master() && (int)(*(char *)buf) == MODE_CMD) |
| 592 | if ((int)(*(char *)(buf+1)) == RESET_ID) |
| 593 | is_mode_reset = 1; |
| 594 | return is_mode_reset; |
| 595 | } |
| 596 | |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 597 | void diag_send_data(struct diag_master_table entry, unsigned char *buf, |
| 598 | int len, int type) |
| 599 | { |
| 600 | driver->pkt_length = len; |
| 601 | if (entry.process_id != NON_APPS_PROC && type != MODEM_DATA) { |
| 602 | diag_update_pkt_buffer(buf); |
Shalabh Jain | 1c99e4c | 2012-03-26 18:47:59 -0700 | [diff] [blame] | 603 | diag_update_sleeping_process(entry.process_id, PKT_TYPE); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 604 | } else { |
| 605 | if (len > 0) { |
Dixon Peterson | eecbadb | 2012-12-10 21:59:28 -0800 | [diff] [blame] | 606 | if ((entry.client_id >= 0) && |
| 607 | (entry.client_id < NUM_SMD_DATA_CHANNELS)) { |
| 608 | int index = entry.client_id; |
| 609 | if (driver->smd_data[index].ch) { |
| 610 | if ((index == MODEM_DATA) && |
| 611 | diag_check_mode_reset(buf)) { |
Shalabh Jain | c9f3509 | 2011-07-28 18:36:17 -0700 | [diff] [blame] | 612 | return; |
Dixon Peterson | eecbadb | 2012-12-10 21:59:28 -0800 | [diff] [blame] | 613 | } |
Dixon Peterson | 25f042b | 2013-02-27 13:00:08 -0800 | [diff] [blame] | 614 | mutex_lock(&driver->smd_data[index]. |
| 615 | smd_ch_mutex); |
Dixon Peterson | eecbadb | 2012-12-10 21:59:28 -0800 | [diff] [blame] | 616 | smd_write(driver->smd_data[index].ch, |
| 617 | buf, len); |
Dixon Peterson | 25f042b | 2013-02-27 13:00:08 -0800 | [diff] [blame] | 618 | mutex_unlock(&driver->smd_data[index]. |
| 619 | smd_ch_mutex); |
Dixon Peterson | eecbadb | 2012-12-10 21:59:28 -0800 | [diff] [blame] | 620 | } else { |
| 621 | pr_err("diag: In %s, smd channel %d not open\n", |
| 622 | __func__, index); |
| 623 | } |
Shalabh Jain | c9f3509 | 2011-07-28 18:36:17 -0700 | [diff] [blame] | 624 | } else { |
Dixon Peterson | eecbadb | 2012-12-10 21:59:28 -0800 | [diff] [blame] | 625 | pr_alert("diag: In %s, incorrect channel: %d", |
| 626 | __func__, entry.client_id); |
Shalabh Jain | c9f3509 | 2011-07-28 18:36:17 -0700 | [diff] [blame] | 627 | } |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 628 | } |
| 629 | } |
| 630 | } |
| 631 | |
| 632 | static int diag_process_apps_pkt(unsigned char *buf, int len) |
| 633 | { |
| 634 | uint16_t subsys_cmd_code; |
| 635 | int subsys_id, ssid_first, ssid_last, ssid_range; |
Shalabh Jain | 3fd986f | 2012-05-30 18:42:26 -0700 | [diff] [blame] | 636 | int packet_type = 1, i, cmd_code; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 637 | unsigned char *temp = buf; |
Dixon Peterson | d6a20a9 | 2012-09-27 15:58:50 -0700 | [diff] [blame] | 638 | int data_type; |
Ravi Aravamudhan | 5d2a4a8 | 2013-02-11 18:56:36 -0800 | [diff] [blame] | 639 | int mask_ret; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 640 | #if defined(CONFIG_DIAG_OVER_USB) |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 641 | unsigned char *ptr; |
| 642 | #endif |
| 643 | |
Dixon Peterson | d6a20a9 | 2012-09-27 15:58:50 -0700 | [diff] [blame] | 644 | /* Check if the command is a supported mask command */ |
Ravi Aravamudhan | 5d2a4a8 | 2013-02-11 18:56:36 -0800 | [diff] [blame] | 645 | mask_ret = diag_process_apps_masks(buf, len); |
| 646 | if (mask_ret <= 0) |
| 647 | return mask_ret; |
Dixon Peterson | d6a20a9 | 2012-09-27 15:58:50 -0700 | [diff] [blame] | 648 | |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 649 | /* Check for registered clients and forward packet to apropriate proc */ |
| 650 | cmd_code = (int)(*(char *)buf); |
| 651 | temp++; |
| 652 | subsys_id = (int)(*(char *)temp); |
| 653 | temp++; |
| 654 | subsys_cmd_code = *(uint16_t *)temp; |
| 655 | temp += 2; |
| 656 | data_type = APPS_DATA; |
| 657 | /* Dont send any command other than mode reset */ |
Shalabh Jain | 10f5f43 | 2012-01-11 11:45:44 +0530 | [diff] [blame] | 658 | if (chk_apps_master() && cmd_code == MODE_CMD) { |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 659 | if (subsys_id != RESET_ID) |
| 660 | data_type = MODEM_DATA; |
| 661 | } |
| 662 | |
| 663 | 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] | 664 | for (i = 0; i < diag_max_reg; i++) { |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 665 | entry = driver->table[i]; |
| 666 | if (entry.process_id != NO_PROCESS) { |
| 667 | if (entry.cmd_code == cmd_code && entry.subsys_id == |
| 668 | subsys_id && entry.cmd_code_lo <= |
| 669 | subsys_cmd_code && |
| 670 | entry.cmd_code_hi >= subsys_cmd_code) { |
| 671 | diag_send_data(entry, buf, len, data_type); |
| 672 | packet_type = 0; |
| 673 | } else if (entry.cmd_code == 255 |
| 674 | && cmd_code == 75) { |
| 675 | if (entry.subsys_id == |
| 676 | subsys_id && |
| 677 | entry.cmd_code_lo <= |
| 678 | subsys_cmd_code && |
| 679 | entry.cmd_code_hi >= |
| 680 | subsys_cmd_code) { |
| 681 | diag_send_data(entry, buf, len, |
| 682 | data_type); |
| 683 | packet_type = 0; |
| 684 | } |
| 685 | } else if (entry.cmd_code == 255 && |
| 686 | entry.subsys_id == 255) { |
| 687 | if (entry.cmd_code_lo <= |
| 688 | cmd_code && |
| 689 | entry. |
| 690 | cmd_code_hi >= cmd_code) { |
| 691 | diag_send_data(entry, buf, len, |
| 692 | data_type); |
| 693 | packet_type = 0; |
| 694 | } |
| 695 | } |
| 696 | } |
| 697 | } |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 698 | #if defined(CONFIG_DIAG_OVER_USB) |
Dixon Peterson | a2dd735 | 2012-05-21 17:37:10 -0700 | [diff] [blame] | 699 | /* Check for the command/respond msg for the maximum packet length */ |
| 700 | if ((*buf == 0x4b) && (*(buf+1) == 0x12) && |
| 701 | (*(uint16_t *)(buf+2) == 0x0055)) { |
| 702 | for (i = 0; i < 4; i++) |
| 703 | *(driver->apps_rsp_buf+i) = *(buf+i); |
| 704 | *(uint32_t *)(driver->apps_rsp_buf+4) = PKT_SIZE; |
Dixon Peterson | d6a20a9 | 2012-09-27 15:58:50 -0700 | [diff] [blame] | 705 | encode_rsp_and_send(7); |
Dixon Peterson | a2dd735 | 2012-05-21 17:37:10 -0700 | [diff] [blame] | 706 | return 0; |
| 707 | } |
Shalabh Jain | fb8e3c1 | 2011-10-19 17:29:42 -0700 | [diff] [blame] | 708 | /* Check for Apps Only & get event mask request */ |
Dixon Peterson | eecbadb | 2012-12-10 21:59:28 -0800 | [diff] [blame] | 709 | else if (!(driver->smd_data[MODEM_DATA].ch) && chk_apps_only() && |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 710 | *buf == 0x81) { |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 711 | driver->apps_rsp_buf[0] = 0x81; |
| 712 | driver->apps_rsp_buf[1] = 0x0; |
| 713 | *(uint16_t *)(driver->apps_rsp_buf + 2) = 0x0; |
| 714 | *(uint16_t *)(driver->apps_rsp_buf + 4) = EVENT_LAST_ID + 1; |
| 715 | for (i = 0; i < EVENT_LAST_ID/8 + 1; i++) |
| 716 | *(unsigned char *)(driver->apps_rsp_buf + 6 + i) = 0x0; |
Dixon Peterson | d6a20a9 | 2012-09-27 15:58:50 -0700 | [diff] [blame] | 717 | encode_rsp_and_send(6 + EVENT_LAST_ID/8); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 718 | return 0; |
| 719 | } |
Shalabh Jain | fb8e3c1 | 2011-10-19 17:29:42 -0700 | [diff] [blame] | 720 | /* Get log ID range & Check for Apps Only */ |
Dixon Peterson | eecbadb | 2012-12-10 21:59:28 -0800 | [diff] [blame] | 721 | else if (!(driver->smd_data[MODEM_DATA].ch) && chk_apps_only() |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 722 | && (*buf == 0x73) && *(int *)(buf+4) == 1) { |
| 723 | driver->apps_rsp_buf[0] = 0x73; |
| 724 | *(int *)(driver->apps_rsp_buf + 4) = 0x1; /* operation ID */ |
| 725 | *(int *)(driver->apps_rsp_buf + 8) = 0x0; /* success code */ |
| 726 | *(int *)(driver->apps_rsp_buf + 12) = LOG_GET_ITEM_NUM(LOG_0); |
| 727 | *(int *)(driver->apps_rsp_buf + 16) = LOG_GET_ITEM_NUM(LOG_1); |
| 728 | *(int *)(driver->apps_rsp_buf + 20) = LOG_GET_ITEM_NUM(LOG_2); |
| 729 | *(int *)(driver->apps_rsp_buf + 24) = LOG_GET_ITEM_NUM(LOG_3); |
| 730 | *(int *)(driver->apps_rsp_buf + 28) = LOG_GET_ITEM_NUM(LOG_4); |
| 731 | *(int *)(driver->apps_rsp_buf + 32) = LOG_GET_ITEM_NUM(LOG_5); |
| 732 | *(int *)(driver->apps_rsp_buf + 36) = LOG_GET_ITEM_NUM(LOG_6); |
| 733 | *(int *)(driver->apps_rsp_buf + 40) = LOG_GET_ITEM_NUM(LOG_7); |
| 734 | *(int *)(driver->apps_rsp_buf + 44) = LOG_GET_ITEM_NUM(LOG_8); |
| 735 | *(int *)(driver->apps_rsp_buf + 48) = LOG_GET_ITEM_NUM(LOG_9); |
| 736 | *(int *)(driver->apps_rsp_buf + 52) = LOG_GET_ITEM_NUM(LOG_10); |
| 737 | *(int *)(driver->apps_rsp_buf + 56) = LOG_GET_ITEM_NUM(LOG_11); |
| 738 | *(int *)(driver->apps_rsp_buf + 60) = LOG_GET_ITEM_NUM(LOG_12); |
| 739 | *(int *)(driver->apps_rsp_buf + 64) = LOG_GET_ITEM_NUM(LOG_13); |
| 740 | *(int *)(driver->apps_rsp_buf + 68) = LOG_GET_ITEM_NUM(LOG_14); |
| 741 | *(int *)(driver->apps_rsp_buf + 72) = LOG_GET_ITEM_NUM(LOG_15); |
Dixon Peterson | d6a20a9 | 2012-09-27 15:58:50 -0700 | [diff] [blame] | 742 | encode_rsp_and_send(75); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 743 | return 0; |
| 744 | } |
| 745 | /* Respond to Get SSID Range request message */ |
Dixon Peterson | eecbadb | 2012-12-10 21:59:28 -0800 | [diff] [blame] | 746 | else if (!(driver->smd_data[MODEM_DATA].ch) && chk_apps_only() |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 747 | && (*buf == 0x7d) && (*(buf+1) == 0x1)) { |
| 748 | driver->apps_rsp_buf[0] = 0x7d; |
| 749 | driver->apps_rsp_buf[1] = 0x1; |
| 750 | driver->apps_rsp_buf[2] = 0x1; |
| 751 | driver->apps_rsp_buf[3] = 0x0; |
Shalabh Jain | 44b79b7 | 2012-06-15 13:39:27 -0700 | [diff] [blame] | 752 | /* -1 to un-account for OEM SSID range */ |
| 753 | *(int *)(driver->apps_rsp_buf + 4) = MSG_MASK_TBL_CNT - 1; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 754 | *(uint16_t *)(driver->apps_rsp_buf + 8) = MSG_SSID_0; |
| 755 | *(uint16_t *)(driver->apps_rsp_buf + 10) = MSG_SSID_0_LAST; |
| 756 | *(uint16_t *)(driver->apps_rsp_buf + 12) = MSG_SSID_1; |
| 757 | *(uint16_t *)(driver->apps_rsp_buf + 14) = MSG_SSID_1_LAST; |
| 758 | *(uint16_t *)(driver->apps_rsp_buf + 16) = MSG_SSID_2; |
| 759 | *(uint16_t *)(driver->apps_rsp_buf + 18) = MSG_SSID_2_LAST; |
| 760 | *(uint16_t *)(driver->apps_rsp_buf + 20) = MSG_SSID_3; |
| 761 | *(uint16_t *)(driver->apps_rsp_buf + 22) = MSG_SSID_3_LAST; |
| 762 | *(uint16_t *)(driver->apps_rsp_buf + 24) = MSG_SSID_4; |
| 763 | *(uint16_t *)(driver->apps_rsp_buf + 26) = MSG_SSID_4_LAST; |
| 764 | *(uint16_t *)(driver->apps_rsp_buf + 28) = MSG_SSID_5; |
| 765 | *(uint16_t *)(driver->apps_rsp_buf + 30) = MSG_SSID_5_LAST; |
| 766 | *(uint16_t *)(driver->apps_rsp_buf + 32) = MSG_SSID_6; |
| 767 | *(uint16_t *)(driver->apps_rsp_buf + 34) = MSG_SSID_6_LAST; |
| 768 | *(uint16_t *)(driver->apps_rsp_buf + 36) = MSG_SSID_7; |
| 769 | *(uint16_t *)(driver->apps_rsp_buf + 38) = MSG_SSID_7_LAST; |
| 770 | *(uint16_t *)(driver->apps_rsp_buf + 40) = MSG_SSID_8; |
| 771 | *(uint16_t *)(driver->apps_rsp_buf + 42) = MSG_SSID_8_LAST; |
| 772 | *(uint16_t *)(driver->apps_rsp_buf + 44) = MSG_SSID_9; |
| 773 | *(uint16_t *)(driver->apps_rsp_buf + 46) = MSG_SSID_9_LAST; |
| 774 | *(uint16_t *)(driver->apps_rsp_buf + 48) = MSG_SSID_10; |
| 775 | *(uint16_t *)(driver->apps_rsp_buf + 50) = MSG_SSID_10_LAST; |
| 776 | *(uint16_t *)(driver->apps_rsp_buf + 52) = MSG_SSID_11; |
| 777 | *(uint16_t *)(driver->apps_rsp_buf + 54) = MSG_SSID_11_LAST; |
| 778 | *(uint16_t *)(driver->apps_rsp_buf + 56) = MSG_SSID_12; |
| 779 | *(uint16_t *)(driver->apps_rsp_buf + 58) = MSG_SSID_12_LAST; |
| 780 | *(uint16_t *)(driver->apps_rsp_buf + 60) = MSG_SSID_13; |
| 781 | *(uint16_t *)(driver->apps_rsp_buf + 62) = MSG_SSID_13_LAST; |
| 782 | *(uint16_t *)(driver->apps_rsp_buf + 64) = MSG_SSID_14; |
| 783 | *(uint16_t *)(driver->apps_rsp_buf + 66) = MSG_SSID_14_LAST; |
| 784 | *(uint16_t *)(driver->apps_rsp_buf + 68) = MSG_SSID_15; |
| 785 | *(uint16_t *)(driver->apps_rsp_buf + 70) = MSG_SSID_15_LAST; |
| 786 | *(uint16_t *)(driver->apps_rsp_buf + 72) = MSG_SSID_16; |
| 787 | *(uint16_t *)(driver->apps_rsp_buf + 74) = MSG_SSID_16_LAST; |
| 788 | *(uint16_t *)(driver->apps_rsp_buf + 76) = MSG_SSID_17; |
| 789 | *(uint16_t *)(driver->apps_rsp_buf + 78) = MSG_SSID_17_LAST; |
| 790 | *(uint16_t *)(driver->apps_rsp_buf + 80) = MSG_SSID_18; |
| 791 | *(uint16_t *)(driver->apps_rsp_buf + 82) = MSG_SSID_18_LAST; |
Shalabh Jain | 321c8b5 | 2012-02-22 12:37:06 -0800 | [diff] [blame] | 792 | *(uint16_t *)(driver->apps_rsp_buf + 84) = MSG_SSID_19; |
| 793 | *(uint16_t *)(driver->apps_rsp_buf + 86) = MSG_SSID_19_LAST; |
| 794 | *(uint16_t *)(driver->apps_rsp_buf + 88) = MSG_SSID_20; |
| 795 | *(uint16_t *)(driver->apps_rsp_buf + 90) = MSG_SSID_20_LAST; |
| 796 | *(uint16_t *)(driver->apps_rsp_buf + 92) = MSG_SSID_21; |
| 797 | *(uint16_t *)(driver->apps_rsp_buf + 94) = MSG_SSID_21_LAST; |
| 798 | *(uint16_t *)(driver->apps_rsp_buf + 96) = MSG_SSID_22; |
| 799 | *(uint16_t *)(driver->apps_rsp_buf + 98) = MSG_SSID_22_LAST; |
Dixon Peterson | d6a20a9 | 2012-09-27 15:58:50 -0700 | [diff] [blame] | 800 | encode_rsp_and_send(99); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 801 | return 0; |
| 802 | } |
Shalabh Jain | fb8e3c1 | 2011-10-19 17:29:42 -0700 | [diff] [blame] | 803 | /* Check for Apps Only Respond to Get Subsys Build mask */ |
Dixon Peterson | eecbadb | 2012-12-10 21:59:28 -0800 | [diff] [blame] | 804 | else if (!(driver->smd_data[MODEM_DATA].ch) && chk_apps_only() |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 805 | && (*buf == 0x7d) && (*(buf+1) == 0x2)) { |
| 806 | ssid_first = *(uint16_t *)(buf + 2); |
| 807 | ssid_last = *(uint16_t *)(buf + 4); |
| 808 | ssid_range = 4 * (ssid_last - ssid_first + 1); |
| 809 | /* frame response */ |
| 810 | driver->apps_rsp_buf[0] = 0x7d; |
| 811 | driver->apps_rsp_buf[1] = 0x2; |
| 812 | *(uint16_t *)(driver->apps_rsp_buf + 2) = ssid_first; |
| 813 | *(uint16_t *)(driver->apps_rsp_buf + 4) = ssid_last; |
| 814 | driver->apps_rsp_buf[6] = 0x1; |
| 815 | driver->apps_rsp_buf[7] = 0x0; |
| 816 | ptr = driver->apps_rsp_buf + 8; |
| 817 | /* bld time masks */ |
| 818 | switch (ssid_first) { |
| 819 | case MSG_SSID_0: |
| 820 | for (i = 0; i < ssid_range; i += 4) |
| 821 | *(int *)(ptr + i) = msg_bld_masks_0[i/4]; |
| 822 | break; |
| 823 | case MSG_SSID_1: |
| 824 | for (i = 0; i < ssid_range; i += 4) |
| 825 | *(int *)(ptr + i) = msg_bld_masks_1[i/4]; |
| 826 | break; |
| 827 | case MSG_SSID_2: |
| 828 | for (i = 0; i < ssid_range; i += 4) |
| 829 | *(int *)(ptr + i) = msg_bld_masks_2[i/4]; |
| 830 | break; |
| 831 | case MSG_SSID_3: |
| 832 | for (i = 0; i < ssid_range; i += 4) |
| 833 | *(int *)(ptr + i) = msg_bld_masks_3[i/4]; |
| 834 | break; |
| 835 | case MSG_SSID_4: |
| 836 | for (i = 0; i < ssid_range; i += 4) |
| 837 | *(int *)(ptr + i) = msg_bld_masks_4[i/4]; |
| 838 | break; |
| 839 | case MSG_SSID_5: |
| 840 | for (i = 0; i < ssid_range; i += 4) |
| 841 | *(int *)(ptr + i) = msg_bld_masks_5[i/4]; |
| 842 | break; |
| 843 | case MSG_SSID_6: |
| 844 | for (i = 0; i < ssid_range; i += 4) |
| 845 | *(int *)(ptr + i) = msg_bld_masks_6[i/4]; |
| 846 | break; |
| 847 | case MSG_SSID_7: |
| 848 | for (i = 0; i < ssid_range; i += 4) |
| 849 | *(int *)(ptr + i) = msg_bld_masks_7[i/4]; |
| 850 | break; |
| 851 | case MSG_SSID_8: |
| 852 | for (i = 0; i < ssid_range; i += 4) |
| 853 | *(int *)(ptr + i) = msg_bld_masks_8[i/4]; |
| 854 | break; |
| 855 | case MSG_SSID_9: |
| 856 | for (i = 0; i < ssid_range; i += 4) |
| 857 | *(int *)(ptr + i) = msg_bld_masks_9[i/4]; |
| 858 | break; |
| 859 | case MSG_SSID_10: |
| 860 | for (i = 0; i < ssid_range; i += 4) |
| 861 | *(int *)(ptr + i) = msg_bld_masks_10[i/4]; |
| 862 | break; |
| 863 | case MSG_SSID_11: |
| 864 | for (i = 0; i < ssid_range; i += 4) |
| 865 | *(int *)(ptr + i) = msg_bld_masks_11[i/4]; |
| 866 | break; |
| 867 | case MSG_SSID_12: |
| 868 | for (i = 0; i < ssid_range; i += 4) |
| 869 | *(int *)(ptr + i) = msg_bld_masks_12[i/4]; |
| 870 | break; |
| 871 | case MSG_SSID_13: |
| 872 | for (i = 0; i < ssid_range; i += 4) |
| 873 | *(int *)(ptr + i) = msg_bld_masks_13[i/4]; |
| 874 | break; |
| 875 | case MSG_SSID_14: |
| 876 | for (i = 0; i < ssid_range; i += 4) |
| 877 | *(int *)(ptr + i) = msg_bld_masks_14[i/4]; |
| 878 | break; |
| 879 | case MSG_SSID_15: |
| 880 | for (i = 0; i < ssid_range; i += 4) |
| 881 | *(int *)(ptr + i) = msg_bld_masks_15[i/4]; |
| 882 | break; |
| 883 | case MSG_SSID_16: |
| 884 | for (i = 0; i < ssid_range; i += 4) |
| 885 | *(int *)(ptr + i) = msg_bld_masks_16[i/4]; |
| 886 | break; |
| 887 | case MSG_SSID_17: |
| 888 | for (i = 0; i < ssid_range; i += 4) |
| 889 | *(int *)(ptr + i) = msg_bld_masks_17[i/4]; |
| 890 | break; |
| 891 | case MSG_SSID_18: |
| 892 | for (i = 0; i < ssid_range; i += 4) |
| 893 | *(int *)(ptr + i) = msg_bld_masks_18[i/4]; |
| 894 | break; |
Shalabh Jain | 321c8b5 | 2012-02-22 12:37:06 -0800 | [diff] [blame] | 895 | case MSG_SSID_19: |
| 896 | for (i = 0; i < ssid_range; i += 4) |
| 897 | *(int *)(ptr + i) = msg_bld_masks_19[i/4]; |
| 898 | break; |
| 899 | case MSG_SSID_20: |
| 900 | for (i = 0; i < ssid_range; i += 4) |
| 901 | *(int *)(ptr + i) = msg_bld_masks_20[i/4]; |
| 902 | break; |
| 903 | case MSG_SSID_21: |
| 904 | for (i = 0; i < ssid_range; i += 4) |
| 905 | *(int *)(ptr + i) = msg_bld_masks_21[i/4]; |
| 906 | break; |
| 907 | case MSG_SSID_22: |
| 908 | for (i = 0; i < ssid_range; i += 4) |
| 909 | *(int *)(ptr + i) = msg_bld_masks_22[i/4]; |
| 910 | break; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 911 | } |
Dixon Peterson | d6a20a9 | 2012-09-27 15:58:50 -0700 | [diff] [blame] | 912 | encode_rsp_and_send(8 + ssid_range - 1); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 913 | return 0; |
| 914 | } |
| 915 | /* Check for download command */ |
Shalabh Jain | 10f5f43 | 2012-01-11 11:45:44 +0530 | [diff] [blame] | 916 | else if ((cpu_is_msm8x60() || chk_apps_master()) && (*buf == 0x3A)) { |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 917 | /* send response back */ |
| 918 | driver->apps_rsp_buf[0] = *buf; |
Dixon Peterson | d6a20a9 | 2012-09-27 15:58:50 -0700 | [diff] [blame] | 919 | encode_rsp_and_send(0); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 920 | msleep(5000); |
| 921 | /* call download API */ |
| 922 | msm_set_restart_mode(RESTART_DLOAD); |
| 923 | printk(KERN_CRIT "diag: download mode set, Rebooting SoC..\n"); |
| 924 | kernel_restart(NULL); |
| 925 | /* Not required, represents that command isnt sent to modem */ |
| 926 | return 0; |
| 927 | } |
Dixon Peterson | b46bb99 | 2012-01-12 19:16:56 -0800 | [diff] [blame] | 928 | /* Check for polling for Apps only DIAG */ |
| 929 | else if ((*buf == 0x4b) && (*(buf+1) == 0x32) && |
| 930 | (*(buf+2) == 0x03)) { |
Shalabh Jain | 3d29fc3 | 2012-02-09 17:15:59 -0800 | [diff] [blame] | 931 | /* If no one has registered for polling */ |
Dixon Peterson | b4618a4 | 2012-02-29 18:56:31 -0800 | [diff] [blame] | 932 | if (chk_polling_response()) { |
Dixon Peterson | b46bb99 | 2012-01-12 19:16:56 -0800 | [diff] [blame] | 933 | /* Respond to polling for Apps only DIAG */ |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 934 | for (i = 0; i < 3; i++) |
| 935 | driver->apps_rsp_buf[i] = *(buf+i); |
| 936 | for (i = 0; i < 13; i++) |
| 937 | driver->apps_rsp_buf[i+3] = 0; |
| 938 | |
Dixon Peterson | d6a20a9 | 2012-09-27 15:58:50 -0700 | [diff] [blame] | 939 | encode_rsp_and_send(15); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 940 | return 0; |
| 941 | } |
Dixon Peterson | b46bb99 | 2012-01-12 19:16:56 -0800 | [diff] [blame] | 942 | } |
Ravi Aravamudhan | f55dc1d | 2012-12-27 11:51:42 -0800 | [diff] [blame] | 943 | /* Return the Delayed Response Wrap Status */ |
| 944 | else if ((*buf == 0x4b) && (*(buf+1) == 0x32) && |
| 945 | (*(buf+2) == 0x04) && (*(buf+3) == 0x0)) { |
| 946 | memcpy(driver->apps_rsp_buf, buf, 4); |
| 947 | driver->apps_rsp_buf[4] = wrap_enabled; |
| 948 | encode_rsp_and_send(4); |
| 949 | return 0; |
| 950 | } |
| 951 | /* Wrap the Delayed Rsp ID */ |
| 952 | else if ((*buf == 0x4b) && (*(buf+1) == 0x32) && |
| 953 | (*(buf+2) == 0x05) && (*(buf+3) == 0x0)) { |
| 954 | wrap_enabled = true; |
| 955 | memcpy(driver->apps_rsp_buf, buf, 4); |
| 956 | driver->apps_rsp_buf[4] = wrap_count; |
| 957 | encode_rsp_and_send(5); |
| 958 | return 0; |
| 959 | } |
Dixon Peterson | b46bb99 | 2012-01-12 19:16:56 -0800 | [diff] [blame] | 960 | /* Check for ID for NO MODEM present */ |
Dixon Peterson | b4618a4 | 2012-02-29 18:56:31 -0800 | [diff] [blame] | 961 | else if (chk_polling_response()) { |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 962 | /* respond to 0x0 command */ |
Dixon Peterson | b46bb99 | 2012-01-12 19:16:56 -0800 | [diff] [blame] | 963 | if (*buf == 0x00) { |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 964 | for (i = 0; i < 55; i++) |
| 965 | driver->apps_rsp_buf[i] = 0; |
| 966 | |
Dixon Peterson | d6a20a9 | 2012-09-27 15:58:50 -0700 | [diff] [blame] | 967 | encode_rsp_and_send(54); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 968 | return 0; |
| 969 | } |
| 970 | /* respond to 0x7c command */ |
| 971 | else if (*buf == 0x7c) { |
| 972 | driver->apps_rsp_buf[0] = 0x7c; |
| 973 | for (i = 1; i < 8; i++) |
| 974 | driver->apps_rsp_buf[i] = 0; |
| 975 | /* Tools ID for APQ 8060 */ |
| 976 | *(int *)(driver->apps_rsp_buf + 8) = |
| 977 | chk_config_get_id(); |
| 978 | *(unsigned char *)(driver->apps_rsp_buf + 12) = '\0'; |
| 979 | *(unsigned char *)(driver->apps_rsp_buf + 13) = '\0'; |
Dixon Peterson | d6a20a9 | 2012-09-27 15:58:50 -0700 | [diff] [blame] | 980 | encode_rsp_and_send(13); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 981 | return 0; |
| 982 | } |
| 983 | } |
| 984 | #endif |
Dixon Peterson | d6a20a9 | 2012-09-27 15:58:50 -0700 | [diff] [blame] | 985 | return packet_type; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 986 | } |
| 987 | |
| 988 | #ifdef CONFIG_DIAG_OVER_USB |
| 989 | void diag_send_error_rsp(int index) |
| 990 | { |
| 991 | int i; |
Shalabh Jain | 1fedab9 | 2011-12-22 13:15:22 +0530 | [diff] [blame] | 992 | |
| 993 | if (index > 490) { |
| 994 | pr_err("diag: error response too huge, aborting\n"); |
| 995 | return; |
| 996 | } |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 997 | driver->apps_rsp_buf[0] = 0x13; /* error code 13 */ |
| 998 | for (i = 0; i < index; i++) |
| 999 | driver->apps_rsp_buf[i+1] = *(driver->hdlc_buf+i); |
Dixon Peterson | d6a20a9 | 2012-09-27 15:58:50 -0700 | [diff] [blame] | 1000 | encode_rsp_and_send(index - 3); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1001 | } |
| 1002 | #else |
| 1003 | static inline void diag_send_error_rsp(int index) {} |
| 1004 | #endif |
| 1005 | |
| 1006 | void diag_process_hdlc(void *data, unsigned len) |
| 1007 | { |
| 1008 | struct diag_hdlc_decode_type hdlc; |
| 1009 | int ret, type = 0; |
Dixon Peterson | 25f042b | 2013-02-27 13:00:08 -0800 | [diff] [blame] | 1010 | |
| 1011 | mutex_lock(&driver->diag_hdlc_mutex); |
| 1012 | |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1013 | pr_debug("diag: HDLC decode fn, len of data %d\n", len); |
| 1014 | hdlc.dest_ptr = driver->hdlc_buf; |
| 1015 | hdlc.dest_size = USB_MAX_OUT_BUF; |
| 1016 | hdlc.src_ptr = data; |
| 1017 | hdlc.src_size = len; |
| 1018 | hdlc.src_idx = 0; |
| 1019 | hdlc.dest_idx = 0; |
| 1020 | hdlc.escaping = 0; |
| 1021 | |
| 1022 | ret = diag_hdlc_decode(&hdlc); |
| 1023 | |
Dixon Peterson | b4f8424 | 2013-02-27 18:46:56 -0800 | [diff] [blame] | 1024 | /* |
| 1025 | * If the message is 3 bytes or less in length then the message is |
| 1026 | * too short. A message will need 4 bytes minimum, since there are |
| 1027 | * 2 bytes for the CRC and 1 byte for the ending 0x7e for the hdlc |
| 1028 | * encoding |
| 1029 | */ |
| 1030 | if (hdlc.dest_idx < 4) { |
| 1031 | pr_err_ratelimited("diag: In %s, message is too short, len: %d, dest len: %d\n", |
| 1032 | __func__, len, hdlc.dest_idx); |
Dixon Peterson | 25f042b | 2013-02-27 13:00:08 -0800 | [diff] [blame] | 1033 | mutex_unlock(&driver->diag_hdlc_mutex); |
Ravi Aravamudhan | 5d2a4a8 | 2013-02-11 18:56:36 -0800 | [diff] [blame] | 1034 | return; |
| 1035 | } |
Dixon Peterson | b4f8424 | 2013-02-27 18:46:56 -0800 | [diff] [blame] | 1036 | |
Ravi Aravamudhan | 5d2a4a8 | 2013-02-11 18:56:36 -0800 | [diff] [blame] | 1037 | if (ret) { |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1038 | type = diag_process_apps_pkt(driver->hdlc_buf, |
| 1039 | hdlc.dest_idx - 3); |
Dixon Peterson | 25f042b | 2013-02-27 13:00:08 -0800 | [diff] [blame] | 1040 | if (type < 0) { |
| 1041 | mutex_unlock(&driver->diag_hdlc_mutex); |
Ravi Aravamudhan | 5d2a4a8 | 2013-02-11 18:56:36 -0800 | [diff] [blame] | 1042 | return; |
Dixon Peterson | 25f042b | 2013-02-27 13:00:08 -0800 | [diff] [blame] | 1043 | } |
Ravi Aravamudhan | 5d2a4a8 | 2013-02-11 18:56:36 -0800 | [diff] [blame] | 1044 | } else if (driver->debug_flag) { |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1045 | printk(KERN_ERR "Packet dropped due to bad HDLC coding/CRC" |
| 1046 | " errors or partial packet received, packet" |
| 1047 | " length = %d\n", len); |
| 1048 | print_hex_dump(KERN_DEBUG, "Dropped Packet Data: ", 16, 1, |
| 1049 | DUMP_PREFIX_ADDRESS, data, len, 1); |
| 1050 | driver->debug_flag = 0; |
| 1051 | } |
| 1052 | /* send error responses from APPS for Central Routing */ |
Shalabh Jain | fb8e3c1 | 2011-10-19 17:29:42 -0700 | [diff] [blame] | 1053 | if (type == 1 && chk_apps_only()) { |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1054 | diag_send_error_rsp(hdlc.dest_idx); |
| 1055 | type = 0; |
| 1056 | } |
| 1057 | /* implies this packet is NOT meant for apps */ |
Dixon Peterson | eecbadb | 2012-12-10 21:59:28 -0800 | [diff] [blame] | 1058 | if (!(driver->smd_data[MODEM_DATA].ch) && type == 1) { |
Shalabh Jain | fb8e3c1 | 2011-10-19 17:29:42 -0700 | [diff] [blame] | 1059 | if (chk_apps_only()) { |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1060 | diag_send_error_rsp(hdlc.dest_idx); |
| 1061 | } else { /* APQ 8060, Let Q6 respond */ |
Dixon Peterson | 25f042b | 2013-02-27 13:00:08 -0800 | [diff] [blame] | 1062 | if (driver->smd_data[LPASS_DATA].ch) { |
| 1063 | mutex_lock(&driver->smd_data[LPASS_DATA]. |
| 1064 | smd_ch_mutex); |
Dixon Peterson | eecbadb | 2012-12-10 21:59:28 -0800 | [diff] [blame] | 1065 | smd_write(driver->smd_data[LPASS_DATA].ch, |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 1066 | driver->hdlc_buf, |
| 1067 | hdlc.dest_idx - 3); |
Dixon Peterson | 25f042b | 2013-02-27 13:00:08 -0800 | [diff] [blame] | 1068 | mutex_unlock(&driver->smd_data[LPASS_DATA]. |
| 1069 | smd_ch_mutex); |
| 1070 | } |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1071 | } |
| 1072 | type = 0; |
| 1073 | } |
| 1074 | |
| 1075 | #ifdef DIAG_DEBUG |
| 1076 | pr_debug("diag: hdlc.dest_idx = %d", hdlc.dest_idx); |
| 1077 | for (i = 0; i < hdlc.dest_idx; i++) |
| 1078 | printk(KERN_DEBUG "\t%x", *(((unsigned char *) |
| 1079 | driver->hdlc_buf)+i)); |
| 1080 | #endif /* DIAG DEBUG */ |
| 1081 | /* ignore 2 bytes for CRC, one for 7E and send */ |
Dixon Peterson | eecbadb | 2012-12-10 21:59:28 -0800 | [diff] [blame] | 1082 | if ((driver->smd_data[MODEM_DATA].ch) && (ret) && (type) && |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 1083 | (hdlc.dest_idx > 3)) { |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1084 | APPEND_DEBUG('g'); |
Dixon Peterson | 25f042b | 2013-02-27 13:00:08 -0800 | [diff] [blame] | 1085 | mutex_lock(&driver->smd_data[MODEM_DATA].smd_ch_mutex); |
Dixon Peterson | eecbadb | 2012-12-10 21:59:28 -0800 | [diff] [blame] | 1086 | smd_write(driver->smd_data[MODEM_DATA].ch, |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 1087 | driver->hdlc_buf, hdlc.dest_idx - 3); |
Dixon Peterson | 25f042b | 2013-02-27 13:00:08 -0800 | [diff] [blame] | 1088 | mutex_unlock(&driver->smd_data[MODEM_DATA].smd_ch_mutex); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1089 | APPEND_DEBUG('h'); |
| 1090 | #ifdef DIAG_DEBUG |
| 1091 | printk(KERN_INFO "writing data to SMD, pkt length %d\n", len); |
| 1092 | print_hex_dump(KERN_DEBUG, "Written Packet Data to SMD: ", 16, |
| 1093 | 1, DUMP_PREFIX_ADDRESS, data, len, 1); |
| 1094 | #endif /* DIAG DEBUG */ |
| 1095 | } |
Dixon Peterson | 25f042b | 2013-02-27 13:00:08 -0800 | [diff] [blame] | 1096 | mutex_unlock(&driver->diag_hdlc_mutex); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1097 | } |
| 1098 | |
| 1099 | #ifdef CONFIG_DIAG_OVER_USB |
Shalabh Jain | 8e9750a | 2011-09-09 13:06:29 -0700 | [diff] [blame] | 1100 | /* 2+1 for modem ; 2 for LPASS ; 1 for WCNSS */ |
| 1101 | #define N_LEGACY_WRITE (driver->poolsize + 6) |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1102 | #define N_LEGACY_READ 1 |
| 1103 | |
| 1104 | int diagfwd_connect(void) |
| 1105 | { |
| 1106 | int err; |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 1107 | int i; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1108 | |
| 1109 | printk(KERN_DEBUG "diag: USB connected\n"); |
| 1110 | err = usb_diag_alloc_req(driver->legacy_ch, N_LEGACY_WRITE, |
| 1111 | N_LEGACY_READ); |
| 1112 | if (err) |
| 1113 | printk(KERN_ERR "diag: unable to alloc USB req on legacy ch"); |
| 1114 | |
| 1115 | driver->usb_connected = 1; |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 1116 | for (i = 0; i < NUM_SMD_DATA_CHANNELS; i++) { |
| 1117 | driver->smd_data[i].in_busy_1 = 0; |
| 1118 | driver->smd_data[i].in_busy_2 = 0; |
| 1119 | /* Poll SMD data channels to check for data */ |
| 1120 | queue_work(driver->diag_wq, |
| 1121 | &(driver->smd_data[i].diag_read_smd_work)); |
| 1122 | /* Poll SMD CNTL channels to check for data */ |
| 1123 | diag_smd_notify(&(driver->smd_cntl[i]), SMD_EVENT_DATA); |
| 1124 | } |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1125 | |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1126 | /* Poll USB channel to check for data*/ |
| 1127 | queue_work(driver->diag_wq, &(driver->diag_read_work)); |
| 1128 | #ifdef CONFIG_DIAG_SDIO_PIPE |
| 1129 | if (machine_is_msm8x60_fusion() || machine_is_msm8x60_fusn_ffa()) { |
| 1130 | if (driver->mdm_ch && !IS_ERR(driver->mdm_ch)) |
| 1131 | diagfwd_connect_sdio(); |
| 1132 | else |
| 1133 | printk(KERN_INFO "diag: No USB MDM ch"); |
| 1134 | } |
| 1135 | #endif |
| 1136 | return 0; |
| 1137 | } |
| 1138 | |
| 1139 | int diagfwd_disconnect(void) |
| 1140 | { |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 1141 | int i; |
| 1142 | |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1143 | printk(KERN_DEBUG "diag: USB disconnected\n"); |
| 1144 | driver->usb_connected = 0; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1145 | driver->debug_flag = 1; |
| 1146 | usb_diag_free_req(driver->legacy_ch); |
Shalabh Jain | 69890aa | 2011-10-10 12:59:16 -0700 | [diff] [blame] | 1147 | if (driver->logging_mode == USB_MODE) { |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 1148 | for (i = 0; i < NUM_SMD_DATA_CHANNELS; i++) { |
| 1149 | driver->smd_data[i].in_busy_1 = 1; |
| 1150 | driver->smd_data[i].in_busy_2 = 1; |
| 1151 | } |
Shalabh Jain | 69890aa | 2011-10-10 12:59:16 -0700 | [diff] [blame] | 1152 | } |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1153 | #ifdef CONFIG_DIAG_SDIO_PIPE |
| 1154 | if (machine_is_msm8x60_fusion() || machine_is_msm8x60_fusn_ffa()) |
| 1155 | if (driver->mdm_ch && !IS_ERR(driver->mdm_ch)) |
| 1156 | diagfwd_disconnect_sdio(); |
| 1157 | #endif |
| 1158 | /* TBD - notify and flow control SMD */ |
| 1159 | return 0; |
| 1160 | } |
| 1161 | |
| 1162 | int diagfwd_write_complete(struct diag_request *diag_write_ptr) |
| 1163 | { |
| 1164 | unsigned char *buf = diag_write_ptr->buf; |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 1165 | int found_it = 0; |
| 1166 | int i; |
| 1167 | |
| 1168 | /* Determine if the write complete is for data from modem/apps/q6 */ |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1169 | /* Need a context variable here instead */ |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 1170 | for (i = 0; i < NUM_SMD_DATA_CHANNELS; i++) { |
| 1171 | struct diag_smd_info *data = &(driver->smd_data[i]); |
| 1172 | if (buf == (void *)data->buf_in_1) { |
| 1173 | data->in_busy_1 = 0; |
| 1174 | queue_work(driver->diag_wq, |
| 1175 | &(data->diag_read_smd_work)); |
| 1176 | found_it = 1; |
| 1177 | break; |
| 1178 | } else if (buf == (void *)data->buf_in_2) { |
| 1179 | data->in_busy_2 = 0; |
| 1180 | queue_work(driver->diag_wq, |
| 1181 | &(data->diag_read_smd_work)); |
| 1182 | found_it = 1; |
| 1183 | break; |
| 1184 | } |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1185 | } |
| 1186 | #ifdef CONFIG_DIAG_SDIO_PIPE |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 1187 | if (!found_it) { |
| 1188 | if (buf == (void *)driver->buf_in_sdio) { |
| 1189 | if (machine_is_msm8x60_fusion() || |
| 1190 | machine_is_msm8x60_fusn_ffa()) |
| 1191 | diagfwd_write_complete_sdio(); |
| 1192 | else |
| 1193 | pr_err("diag: Incorrect buffer pointer while WRITE"); |
| 1194 | found_it = 1; |
| 1195 | } |
| 1196 | } |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1197 | #endif |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 1198 | if (!found_it) { |
| 1199 | diagmem_free(driver, (unsigned char *)buf, |
| 1200 | POOL_TYPE_HDLC); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1201 | diagmem_free(driver, (unsigned char *)diag_write_ptr, |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 1202 | POOL_TYPE_WRITE_STRUCT); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1203 | } |
| 1204 | return 0; |
| 1205 | } |
| 1206 | |
| 1207 | int diagfwd_read_complete(struct diag_request *diag_read_ptr) |
| 1208 | { |
| 1209 | int status = diag_read_ptr->status; |
| 1210 | unsigned char *buf = diag_read_ptr->buf; |
| 1211 | |
| 1212 | /* Determine if the read complete is for data on legacy/mdm ch */ |
| 1213 | if (buf == (void *)driver->usb_buf_out) { |
| 1214 | driver->read_len_legacy = diag_read_ptr->actual; |
| 1215 | APPEND_DEBUG('s'); |
| 1216 | #ifdef DIAG_DEBUG |
| 1217 | printk(KERN_INFO "read data from USB, pkt length %d", |
| 1218 | diag_read_ptr->actual); |
| 1219 | print_hex_dump(KERN_DEBUG, "Read Packet Data from USB: ", 16, 1, |
| 1220 | DUMP_PREFIX_ADDRESS, diag_read_ptr->buf, |
| 1221 | diag_read_ptr->actual, 1); |
| 1222 | #endif /* DIAG DEBUG */ |
| 1223 | if (driver->logging_mode == USB_MODE) { |
| 1224 | if (status != -ECONNRESET && status != -ESHUTDOWN) |
| 1225 | queue_work(driver->diag_wq, |
| 1226 | &(driver->diag_proc_hdlc_work)); |
| 1227 | else |
| 1228 | queue_work(driver->diag_wq, |
| 1229 | &(driver->diag_read_work)); |
| 1230 | } |
| 1231 | } |
| 1232 | #ifdef CONFIG_DIAG_SDIO_PIPE |
| 1233 | else if (buf == (void *)driver->usb_buf_mdm_out) { |
| 1234 | if (machine_is_msm8x60_fusion() || |
Shalabh Jain | 482bf12 | 2011-12-06 03:54:47 -0800 | [diff] [blame] | 1235 | machine_is_msm8x60_fusn_ffa()) { |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1236 | driver->read_len_mdm = diag_read_ptr->actual; |
| 1237 | diagfwd_read_complete_sdio(); |
| 1238 | } else |
| 1239 | pr_err("diag: Incorrect buffer pointer while READ"); |
| 1240 | } |
| 1241 | #endif |
| 1242 | else |
| 1243 | printk(KERN_ERR "diag: Unknown buffer ptr from USB"); |
| 1244 | |
| 1245 | return 0; |
| 1246 | } |
| 1247 | |
| 1248 | void diag_read_work_fn(struct work_struct *work) |
| 1249 | { |
| 1250 | APPEND_DEBUG('d'); |
| 1251 | driver->usb_read_ptr->buf = driver->usb_buf_out; |
| 1252 | driver->usb_read_ptr->length = USB_MAX_OUT_BUF; |
| 1253 | usb_diag_read(driver->legacy_ch, driver->usb_read_ptr); |
| 1254 | APPEND_DEBUG('e'); |
| 1255 | } |
| 1256 | |
| 1257 | void diag_process_hdlc_fn(struct work_struct *work) |
| 1258 | { |
| 1259 | APPEND_DEBUG('D'); |
| 1260 | diag_process_hdlc(driver->usb_buf_out, driver->read_len_legacy); |
| 1261 | diag_read_work_fn(work); |
| 1262 | APPEND_DEBUG('E'); |
| 1263 | } |
| 1264 | |
| 1265 | void diag_usb_legacy_notifier(void *priv, unsigned event, |
| 1266 | struct diag_request *d_req) |
| 1267 | { |
| 1268 | switch (event) { |
| 1269 | case USB_DIAG_CONNECT: |
| 1270 | diagfwd_connect(); |
| 1271 | break; |
| 1272 | case USB_DIAG_DISCONNECT: |
| 1273 | diagfwd_disconnect(); |
| 1274 | break; |
| 1275 | case USB_DIAG_READ_DONE: |
| 1276 | diagfwd_read_complete(d_req); |
| 1277 | break; |
| 1278 | case USB_DIAG_WRITE_DONE: |
| 1279 | diagfwd_write_complete(d_req); |
| 1280 | break; |
| 1281 | default: |
| 1282 | printk(KERN_ERR "Unknown event from USB diag\n"); |
| 1283 | break; |
| 1284 | } |
| 1285 | } |
| 1286 | |
| 1287 | #endif /* DIAG OVER USB */ |
| 1288 | |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 1289 | void diag_smd_notify(void *ctxt, unsigned event) |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1290 | { |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 1291 | struct diag_smd_info *smd_info = (struct diag_smd_info *)ctxt; |
| 1292 | if (!smd_info) |
Shalabh Jain | eefee05 | 2011-11-08 23:46:03 -0800 | [diff] [blame] | 1293 | return; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1294 | |
Shalabh Jain | c6c2b1d | 2011-12-20 04:32:34 -0800 | [diff] [blame] | 1295 | if (event == SMD_EVENT_CLOSE) { |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 1296 | smd_info->ch = 0; |
Shalabh Jain | c70b3b6 | 2012-08-31 19:11:20 -0700 | [diff] [blame] | 1297 | wake_up(&driver->smd_wait_q); |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 1298 | if (smd_info->type == SMD_DATA_TYPE) { |
| 1299 | smd_info->notify_context = event; |
| 1300 | queue_work(driver->diag_cntl_wq, |
| 1301 | &(smd_info->diag_notify_update_smd_work)); |
| 1302 | } else if (smd_info->type == SMD_DCI_TYPE) { |
| 1303 | /* Notify the clients of the close */ |
| 1304 | diag_dci_notify_client(smd_info->peripheral_mask, |
| 1305 | DIAG_STATUS_CLOSED); |
| 1306 | } |
Shalabh Jain | c6c2b1d | 2011-12-20 04:32:34 -0800 | [diff] [blame] | 1307 | return; |
| 1308 | } else if (event == SMD_EVENT_OPEN) { |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 1309 | if (smd_info->ch_save) |
| 1310 | smd_info->ch = smd_info->ch_save; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1311 | |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 1312 | if (smd_info->type == SMD_CNTL_TYPE) { |
| 1313 | smd_info->notify_context = event; |
| 1314 | queue_work(driver->diag_cntl_wq, |
| 1315 | &(smd_info->diag_notify_update_smd_work)); |
| 1316 | } else if (smd_info->type == SMD_DCI_TYPE) { |
| 1317 | smd_info->notify_context = event; |
| 1318 | queue_work(driver->diag_dci_wq, |
| 1319 | &(smd_info->diag_notify_update_smd_work)); |
| 1320 | /* Notify the clients of the open */ |
| 1321 | diag_dci_notify_client(smd_info->peripheral_mask, |
| 1322 | DIAG_STATUS_OPEN); |
| 1323 | } |
Shalabh Jain | c6c2b1d | 2011-12-20 04:32:34 -0800 | [diff] [blame] | 1324 | } |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 1325 | |
Shalabh Jain | c70b3b6 | 2012-08-31 19:11:20 -0700 | [diff] [blame] | 1326 | wake_up(&driver->smd_wait_q); |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 1327 | |
| 1328 | if (smd_info->type == SMD_DCI_TYPE) |
| 1329 | queue_work(driver->diag_dci_wq, |
| 1330 | &(smd_info->diag_read_smd_work)); |
| 1331 | else |
| 1332 | queue_work(driver->diag_wq, &(smd_info->diag_read_smd_work)); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1333 | } |
| 1334 | |
| 1335 | static int diag_smd_probe(struct platform_device *pdev) |
| 1336 | { |
| 1337 | int r = 0; |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 1338 | int index = -1; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1339 | |
Shalabh Jain | eefee05 | 2011-11-08 23:46:03 -0800 | [diff] [blame] | 1340 | if (pdev->id == SMD_APPS_MODEM) { |
Dixon Peterson | eecbadb | 2012-12-10 21:59:28 -0800 | [diff] [blame] | 1341 | index = MODEM_DATA; |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 1342 | r = smd_open("DIAG", &driver->smd_data[index].ch, |
| 1343 | &driver->smd_data[index], |
| 1344 | diag_smd_notify); |
| 1345 | driver->smd_data[index].ch_save = |
| 1346 | driver->smd_data[index].ch; |
Shalabh Jain | eefee05 | 2011-11-08 23:46:03 -0800 | [diff] [blame] | 1347 | } |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1348 | #if defined(CONFIG_MSM_N_WAY_SMD) |
Shalabh Jain | c6c2b1d | 2011-12-20 04:32:34 -0800 | [diff] [blame] | 1349 | if (pdev->id == SMD_APPS_QDSP) { |
Dixon Peterson | eecbadb | 2012-12-10 21:59:28 -0800 | [diff] [blame] | 1350 | index = LPASS_DATA; |
Ashay Jaiswal | 8be3ce8 | 2012-09-13 16:01:54 -0700 | [diff] [blame] | 1351 | r = smd_named_open_on_edge("DIAG", SMD_APPS_QDSP, |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 1352 | &driver->smd_data[index].ch, |
| 1353 | &driver->smd_data[index], |
| 1354 | diag_smd_notify); |
| 1355 | driver->smd_data[index].ch_save = |
| 1356 | driver->smd_data[index].ch; |
Shalabh Jain | c6c2b1d | 2011-12-20 04:32:34 -0800 | [diff] [blame] | 1357 | } |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1358 | #endif |
Shalabh Jain | c6c2b1d | 2011-12-20 04:32:34 -0800 | [diff] [blame] | 1359 | if (pdev->id == SMD_APPS_WCNSS) { |
Dixon Peterson | eecbadb | 2012-12-10 21:59:28 -0800 | [diff] [blame] | 1360 | index = WCNSS_DATA; |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 1361 | r = smd_named_open_on_edge("APPS_RIVA_DATA", |
| 1362 | SMD_APPS_WCNSS, |
| 1363 | &driver->smd_data[index].ch, |
| 1364 | &driver->smd_data[index], |
| 1365 | diag_smd_notify); |
| 1366 | driver->smd_data[index].ch_save = |
| 1367 | driver->smd_data[index].ch; |
Shalabh Jain | c6c2b1d | 2011-12-20 04:32:34 -0800 | [diff] [blame] | 1368 | } |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 1369 | |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1370 | pm_runtime_set_active(&pdev->dev); |
| 1371 | pm_runtime_enable(&pdev->dev); |
| 1372 | pr_debug("diag: open SMD port, Id = %d, r = %d\n", pdev->id, r); |
| 1373 | |
| 1374 | return 0; |
| 1375 | } |
| 1376 | |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 1377 | static int diag_smd_runtime_suspend(struct device *dev) |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1378 | { |
| 1379 | dev_dbg(dev, "pm_runtime: suspending...\n"); |
| 1380 | return 0; |
| 1381 | } |
| 1382 | |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 1383 | static int diag_smd_runtime_resume(struct device *dev) |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1384 | { |
| 1385 | dev_dbg(dev, "pm_runtime: resuming...\n"); |
| 1386 | return 0; |
| 1387 | } |
| 1388 | |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 1389 | static const struct dev_pm_ops diag_smd_dev_pm_ops = { |
| 1390 | .runtime_suspend = diag_smd_runtime_suspend, |
| 1391 | .runtime_resume = diag_smd_runtime_resume, |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1392 | }; |
| 1393 | |
| 1394 | static struct platform_driver msm_smd_ch1_driver = { |
| 1395 | |
| 1396 | .probe = diag_smd_probe, |
| 1397 | .driver = { |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 1398 | .name = "DIAG", |
| 1399 | .owner = THIS_MODULE, |
| 1400 | .pm = &diag_smd_dev_pm_ops, |
| 1401 | }, |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1402 | }; |
| 1403 | |
| 1404 | static struct platform_driver diag_smd_lite_driver = { |
| 1405 | |
| 1406 | .probe = diag_smd_probe, |
| 1407 | .driver = { |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 1408 | .name = "APPS_RIVA_DATA", |
| 1409 | .owner = THIS_MODULE, |
| 1410 | .pm = &diag_smd_dev_pm_ops, |
| 1411 | }, |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1412 | }; |
| 1413 | |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 1414 | void diag_smd_destructor(struct diag_smd_info *smd_info) |
| 1415 | { |
| 1416 | if (smd_info->ch) |
| 1417 | smd_close(smd_info->ch); |
| 1418 | |
| 1419 | smd_info->ch = 0; |
| 1420 | smd_info->ch_save = 0; |
| 1421 | kfree(smd_info->buf_in_1); |
| 1422 | kfree(smd_info->buf_in_2); |
| 1423 | kfree(smd_info->write_ptr_1); |
| 1424 | kfree(smd_info->write_ptr_2); |
| 1425 | } |
| 1426 | |
| 1427 | int diag_smd_constructor(struct diag_smd_info *smd_info, int peripheral, |
Dixon Peterson | eecbadb | 2012-12-10 21:59:28 -0800 | [diff] [blame] | 1428 | int type) |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 1429 | { |
| 1430 | smd_info->peripheral = peripheral; |
| 1431 | smd_info->type = type; |
Dixon Peterson | 25f042b | 2013-02-27 13:00:08 -0800 | [diff] [blame] | 1432 | mutex_init(&smd_info->smd_ch_mutex); |
Dixon Peterson | eecbadb | 2012-12-10 21:59:28 -0800 | [diff] [blame] | 1433 | |
| 1434 | switch (peripheral) { |
| 1435 | case MODEM_DATA: |
| 1436 | smd_info->peripheral_mask = DIAG_CON_MPSS; |
| 1437 | break; |
| 1438 | case LPASS_DATA: |
| 1439 | smd_info->peripheral_mask = DIAG_CON_LPASS; |
| 1440 | break; |
| 1441 | case WCNSS_DATA: |
| 1442 | smd_info->peripheral_mask = DIAG_CON_WCNSS; |
| 1443 | break; |
| 1444 | default: |
| 1445 | pr_err("diag: In %s, unknown peripheral, peripheral: %d\n", |
| 1446 | __func__, peripheral); |
| 1447 | goto err; |
| 1448 | } |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 1449 | |
| 1450 | smd_info->ch = 0; |
| 1451 | smd_info->ch_save = 0; |
| 1452 | |
| 1453 | if (smd_info->buf_in_1 == NULL) { |
| 1454 | smd_info->buf_in_1 = kzalloc(IN_BUF_SIZE, GFP_KERNEL); |
| 1455 | if (smd_info->buf_in_1 == NULL) |
| 1456 | goto err; |
| 1457 | kmemleak_not_leak(smd_info->buf_in_1); |
| 1458 | } |
| 1459 | |
| 1460 | if (smd_info->write_ptr_1 == NULL) { |
| 1461 | smd_info->write_ptr_1 = kzalloc(sizeof(struct diag_request), |
| 1462 | GFP_KERNEL); |
| 1463 | if (smd_info->write_ptr_1 == NULL) |
| 1464 | goto err; |
| 1465 | kmemleak_not_leak(smd_info->write_ptr_1); |
| 1466 | } |
| 1467 | |
| 1468 | /* The smd data type needs two buffers */ |
| 1469 | if (smd_info->type == SMD_DATA_TYPE) { |
| 1470 | if (smd_info->buf_in_2 == NULL) { |
| 1471 | smd_info->buf_in_2 = kzalloc(IN_BUF_SIZE, GFP_KERNEL); |
| 1472 | if (smd_info->buf_in_2 == NULL) |
| 1473 | goto err; |
| 1474 | kmemleak_not_leak(smd_info->buf_in_2); |
| 1475 | } |
| 1476 | if (smd_info->write_ptr_2 == NULL) { |
| 1477 | smd_info->write_ptr_2 = |
| 1478 | kzalloc(sizeof(struct diag_request), |
| 1479 | GFP_KERNEL); |
| 1480 | if (smd_info->write_ptr_2 == NULL) |
| 1481 | goto err; |
| 1482 | kmemleak_not_leak(smd_info->write_ptr_2); |
| 1483 | } |
| 1484 | } |
| 1485 | |
| 1486 | INIT_WORK(&(smd_info->diag_read_smd_work), diag_read_smd_work_fn); |
| 1487 | |
| 1488 | /* |
| 1489 | * The update function assigned to the diag_notify_update_smd_work |
| 1490 | * work_struct is meant to be used for updating that is not to |
| 1491 | * be done in the context of the smd notify function. The |
| 1492 | * notify_context variable can be used for passing additional |
| 1493 | * information to the update function. |
| 1494 | */ |
| 1495 | smd_info->notify_context = 0; |
| 1496 | if (type == SMD_DATA_TYPE) |
| 1497 | INIT_WORK(&(smd_info->diag_notify_update_smd_work), |
| 1498 | diag_clean_reg_fn); |
| 1499 | else if (type == SMD_CNTL_TYPE) |
| 1500 | INIT_WORK(&(smd_info->diag_notify_update_smd_work), |
| 1501 | diag_mask_update_fn); |
| 1502 | else if (type == SMD_DCI_TYPE) |
| 1503 | INIT_WORK(&(smd_info->diag_notify_update_smd_work), |
| 1504 | diag_update_smd_dci_work_fn); |
| 1505 | else { |
| 1506 | pr_err("diag: In %s, unknown type, type: %d\n", __func__, type); |
| 1507 | goto err; |
| 1508 | } |
| 1509 | |
| 1510 | /* |
| 1511 | * Set function ptr for function to call to process the data that |
| 1512 | * was just read from the smd channel |
| 1513 | */ |
| 1514 | if (type == SMD_DATA_TYPE) |
| 1515 | smd_info->process_smd_read_data = diag_process_smd_read_data; |
| 1516 | else if (type == SMD_CNTL_TYPE) |
| 1517 | smd_info->process_smd_read_data = |
| 1518 | diag_process_smd_cntl_read_data; |
| 1519 | else if (type == SMD_DCI_TYPE) |
| 1520 | smd_info->process_smd_read_data = |
| 1521 | diag_process_smd_dci_read_data; |
| 1522 | else { |
| 1523 | pr_err("diag: In %s, unknown type, type: %d\n", __func__, type); |
| 1524 | goto err; |
| 1525 | } |
| 1526 | |
| 1527 | return 1; |
| 1528 | err: |
| 1529 | kfree(smd_info->buf_in_1); |
| 1530 | kfree(smd_info->buf_in_2); |
| 1531 | kfree(smd_info->write_ptr_1); |
| 1532 | kfree(smd_info->write_ptr_2); |
| 1533 | |
| 1534 | return 0; |
| 1535 | } |
| 1536 | |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1537 | void diagfwd_init(void) |
| 1538 | { |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 1539 | int success; |
| 1540 | int i; |
| 1541 | |
Ravi Aravamudhan | f55dc1d | 2012-12-27 11:51:42 -0800 | [diff] [blame] | 1542 | wrap_enabled = 0; |
| 1543 | wrap_count = 0; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1544 | diag_debug_buf_idx = 0; |
| 1545 | driver->read_len_legacy = 0; |
Dixon Peterson | b4618a4 | 2012-02-29 18:56:31 -0800 | [diff] [blame] | 1546 | driver->use_device_tree = has_device_tree(); |
Dixon Peterson | 25f042b | 2013-02-27 13:00:08 -0800 | [diff] [blame] | 1547 | mutex_init(&driver->diag_hdlc_mutex); |
Shalabh Jain | a06c6d7 | 2012-04-30 13:40:35 -0700 | [diff] [blame] | 1548 | mutex_init(&driver->diag_cntl_mutex); |
Shalabh Jain | 321c8b5 | 2012-02-22 12:37:06 -0800 | [diff] [blame] | 1549 | |
Dixon Peterson | eecbadb | 2012-12-10 21:59:28 -0800 | [diff] [blame] | 1550 | success = diag_smd_constructor(&driver->smd_data[MODEM_DATA], |
| 1551 | MODEM_DATA, SMD_DATA_TYPE); |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 1552 | if (!success) |
| 1553 | goto err; |
| 1554 | |
Dixon Peterson | eecbadb | 2012-12-10 21:59:28 -0800 | [diff] [blame] | 1555 | success = diag_smd_constructor(&driver->smd_data[LPASS_DATA], |
| 1556 | LPASS_DATA, SMD_DATA_TYPE); |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 1557 | if (!success) |
| 1558 | goto err; |
| 1559 | |
Dixon Peterson | eecbadb | 2012-12-10 21:59:28 -0800 | [diff] [blame] | 1560 | success = diag_smd_constructor(&driver->smd_data[WCNSS_DATA], |
| 1561 | WCNSS_DATA, SMD_DATA_TYPE); |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 1562 | if (!success) |
| 1563 | goto err; |
| 1564 | |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1565 | if (driver->usb_buf_out == NULL && |
| 1566 | (driver->usb_buf_out = kzalloc(USB_MAX_OUT_BUF, |
| 1567 | GFP_KERNEL)) == NULL) |
| 1568 | goto err; |
Dixon Peterson | cc0bea77 | 2012-04-11 20:45:37 -0700 | [diff] [blame] | 1569 | kmemleak_not_leak(driver->usb_buf_out); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1570 | if (driver->hdlc_buf == NULL |
| 1571 | && (driver->hdlc_buf = kzalloc(HDLC_MAX, GFP_KERNEL)) == NULL) |
| 1572 | goto err; |
Dixon Peterson | cc0bea77 | 2012-04-11 20:45:37 -0700 | [diff] [blame] | 1573 | kmemleak_not_leak(driver->hdlc_buf); |
Shalabh Jain | 69890aa | 2011-10-10 12:59:16 -0700 | [diff] [blame] | 1574 | if (driver->user_space_data == NULL) |
| 1575 | driver->user_space_data = kzalloc(USER_SPACE_DATA, GFP_KERNEL); |
| 1576 | if (driver->user_space_data == NULL) |
| 1577 | goto err; |
Dixon Peterson | cc0bea77 | 2012-04-11 20:45:37 -0700 | [diff] [blame] | 1578 | kmemleak_not_leak(driver->user_space_data); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1579 | if (driver->client_map == NULL && |
| 1580 | (driver->client_map = kzalloc |
| 1581 | ((driver->num_clients) * sizeof(struct diag_client_map), |
| 1582 | GFP_KERNEL)) == NULL) |
| 1583 | goto err; |
Dixon Peterson | cc0bea77 | 2012-04-11 20:45:37 -0700 | [diff] [blame] | 1584 | kmemleak_not_leak(driver->client_map); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1585 | if (driver->buf_tbl == NULL) |
| 1586 | driver->buf_tbl = kzalloc(buf_tbl_size * |
| 1587 | sizeof(struct diag_write_device), GFP_KERNEL); |
| 1588 | if (driver->buf_tbl == NULL) |
| 1589 | goto err; |
Dixon Peterson | cc0bea77 | 2012-04-11 20:45:37 -0700 | [diff] [blame] | 1590 | kmemleak_not_leak(driver->buf_tbl); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1591 | if (driver->data_ready == NULL && |
| 1592 | (driver->data_ready = kzalloc(driver->num_clients * sizeof(int) |
| 1593 | , GFP_KERNEL)) == NULL) |
| 1594 | goto err; |
Dixon Peterson | cc0bea77 | 2012-04-11 20:45:37 -0700 | [diff] [blame] | 1595 | kmemleak_not_leak(driver->data_ready); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1596 | if (driver->table == NULL && |
Shalabh Jain | fe02b0c | 2012-02-21 14:48:03 -0800 | [diff] [blame] | 1597 | (driver->table = kzalloc(diag_max_reg* |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1598 | sizeof(struct diag_master_table), |
| 1599 | GFP_KERNEL)) == NULL) |
| 1600 | goto err; |
Dixon Peterson | cc0bea77 | 2012-04-11 20:45:37 -0700 | [diff] [blame] | 1601 | kmemleak_not_leak(driver->table); |
Ashay Jaiswal | 2962012 | 2012-03-21 12:02:36 +0530 | [diff] [blame] | 1602 | |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1603 | if (driver->usb_read_ptr == NULL) { |
| 1604 | driver->usb_read_ptr = kzalloc( |
| 1605 | sizeof(struct diag_request), GFP_KERNEL); |
| 1606 | if (driver->usb_read_ptr == NULL) |
| 1607 | goto err; |
Dixon Peterson | cc0bea77 | 2012-04-11 20:45:37 -0700 | [diff] [blame] | 1608 | kmemleak_not_leak(driver->usb_read_ptr); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1609 | } |
| 1610 | if (driver->pkt_buf == NULL && |
| 1611 | (driver->pkt_buf = kzalloc(PKT_SIZE, |
| 1612 | GFP_KERNEL)) == NULL) |
| 1613 | goto err; |
Dixon Peterson | cc0bea77 | 2012-04-11 20:45:37 -0700 | [diff] [blame] | 1614 | kmemleak_not_leak(driver->pkt_buf); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1615 | if (driver->apps_rsp_buf == NULL) { |
Shalabh Jain | 321c8b5 | 2012-02-22 12:37:06 -0800 | [diff] [blame] | 1616 | driver->apps_rsp_buf = kzalloc(APPS_BUF_SIZE, GFP_KERNEL); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1617 | if (driver->apps_rsp_buf == NULL) |
| 1618 | goto err; |
Dixon Peterson | cc0bea77 | 2012-04-11 20:45:37 -0700 | [diff] [blame] | 1619 | kmemleak_not_leak(driver->apps_rsp_buf); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1620 | } |
| 1621 | driver->diag_wq = create_singlethread_workqueue("diag_wq"); |
| 1622 | #ifdef CONFIG_DIAG_OVER_USB |
| 1623 | INIT_WORK(&(driver->diag_proc_hdlc_work), diag_process_hdlc_fn); |
| 1624 | INIT_WORK(&(driver->diag_read_work), diag_read_work_fn); |
| 1625 | driver->legacy_ch = usb_diag_open(DIAG_LEGACY, driver, |
| 1626 | diag_usb_legacy_notifier); |
| 1627 | if (IS_ERR(driver->legacy_ch)) { |
| 1628 | printk(KERN_ERR "Unable to open USB diag legacy channel\n"); |
| 1629 | goto err; |
| 1630 | } |
| 1631 | #endif |
| 1632 | platform_driver_register(&msm_smd_ch1_driver); |
| 1633 | platform_driver_register(&diag_smd_lite_driver); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1634 | return; |
| 1635 | err: |
Dixon Peterson | d6a20a9 | 2012-09-27 15:58:50 -0700 | [diff] [blame] | 1636 | pr_err("diag: Could not initialize diag buffers"); |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 1637 | |
| 1638 | for (i = 0; i < NUM_SMD_DATA_CHANNELS; i++) |
| 1639 | diag_smd_destructor(&driver->smd_data[i]); |
| 1640 | |
Dixon Peterson | d6a20a9 | 2012-09-27 15:58:50 -0700 | [diff] [blame] | 1641 | kfree(driver->buf_msg_mask_update); |
| 1642 | kfree(driver->buf_log_mask_update); |
| 1643 | kfree(driver->buf_event_mask_update); |
| 1644 | kfree(driver->usb_buf_out); |
| 1645 | kfree(driver->hdlc_buf); |
| 1646 | kfree(driver->client_map); |
| 1647 | kfree(driver->buf_tbl); |
| 1648 | kfree(driver->data_ready); |
| 1649 | kfree(driver->table); |
| 1650 | kfree(driver->pkt_buf); |
Dixon Peterson | d6a20a9 | 2012-09-27 15:58:50 -0700 | [diff] [blame] | 1651 | kfree(driver->usb_read_ptr); |
| 1652 | kfree(driver->apps_rsp_buf); |
| 1653 | kfree(driver->user_space_data); |
| 1654 | if (driver->diag_wq) |
| 1655 | destroy_workqueue(driver->diag_wq); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1656 | } |
| 1657 | |
| 1658 | void diagfwd_exit(void) |
| 1659 | { |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 1660 | int i; |
| 1661 | |
| 1662 | for (i = 0; i < NUM_SMD_DATA_CHANNELS; i++) |
| 1663 | diag_smd_destructor(&driver->smd_data[i]); |
| 1664 | |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1665 | #ifdef CONFIG_DIAG_OVER_USB |
| 1666 | if (driver->usb_connected) |
| 1667 | usb_diag_free_req(driver->legacy_ch); |
| 1668 | usb_diag_close(driver->legacy_ch); |
| 1669 | #endif |
| 1670 | platform_driver_unregister(&msm_smd_ch1_driver); |
Shalabh Jain | 1c99e4c | 2012-03-26 18:47:59 -0700 | [diff] [blame] | 1671 | platform_driver_unregister(&msm_diag_dci_driver); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1672 | platform_driver_unregister(&diag_smd_lite_driver); |
Dixon Peterson | 66fb11b | 2012-12-04 20:30:54 -0800 | [diff] [blame] | 1673 | |
Shalabh Jain | 321c8b5 | 2012-02-22 12:37:06 -0800 | [diff] [blame] | 1674 | kfree(driver->buf_msg_mask_update); |
| 1675 | kfree(driver->buf_log_mask_update); |
| 1676 | kfree(driver->buf_event_mask_update); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1677 | kfree(driver->usb_buf_out); |
| 1678 | kfree(driver->hdlc_buf); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1679 | kfree(driver->client_map); |
| 1680 | kfree(driver->buf_tbl); |
| 1681 | kfree(driver->data_ready); |
| 1682 | kfree(driver->table); |
| 1683 | kfree(driver->pkt_buf); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1684 | kfree(driver->usb_read_ptr); |
| 1685 | kfree(driver->apps_rsp_buf); |
Shalabh Jain | 69890aa | 2011-10-10 12:59:16 -0700 | [diff] [blame] | 1686 | kfree(driver->user_space_data); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1687 | destroy_workqueue(driver->diag_wq); |
| 1688 | } |