Initial Contribution
msm-2.6.38: tag AU_LINUX_ANDROID_GINGERBREAD.02.03.04.00.142
Signed-off-by: Bryan Huntsman <bryanh@codeaurora.org>
diff --git a/drivers/char/diag/diagfwd.c b/drivers/char/diag/diagfwd.c
new file mode 100644
index 0000000..433f09a
--- /dev/null
+++ b/drivers/char/diag/diagfwd.c
@@ -0,0 +1,1384 @@
+/* Copyright (c) 2008-2011, Code Aurora Forum. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/slab.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/device.h>
+#include <linux/err.h>
+#include <linux/platform_device.h>
+#include <linux/sched.h>
+#include <linux/workqueue.h>
+#include <linux/pm_runtime.h>
+#include <linux/diagchar.h>
+#include <linux/delay.h>
+#include <linux/reboot.h>
+#ifdef CONFIG_DIAG_OVER_USB
+#include <mach/usbdiag.h>
+#endif
+#include <mach/msm_smd.h>
+#include <mach/socinfo.h>
+#include <mach/restart.h>
+#include "diagmem.h"
+#include "diagchar.h"
+#include "diagfwd.h"
+#include "diagfwd_cntl.h"
+#include "diagchar_hdlc.h"
+#ifdef CONFIG_DIAG_SDIO_PIPE
+#include "diagfwd_sdio.h"
+#endif
+#define MODE_CMD 41
+#define RESET_ID 2
+
+int diag_debug_buf_idx;
+unsigned char diag_debug_buf[1024];
+static unsigned int buf_tbl_size = 8; /*Number of entries in table of buffers */
+struct diag_master_table entry;
+
+struct diag_send_desc_type send = { NULL, NULL, DIAG_STATE_START, 0 };
+struct diag_hdlc_dest_type enc = { NULL, NULL, 0 };
+
+#define ENCODE_RSP_AND_SEND(buf_length) \
+do { \
+ send.state = DIAG_STATE_START; \
+ send.pkt = driver->apps_rsp_buf; \
+ send.last = (void *)(driver->apps_rsp_buf + buf_length); \
+ send.terminate = 1; \
+ if (!driver->in_busy_1) { \
+ enc.dest = driver->buf_in_1; \
+ enc.dest_last = (void *)(driver->buf_in_1 + 499); \
+ diag_hdlc_encode(&send, &enc); \
+ driver->write_ptr_1->buf = driver->buf_in_1; \
+ driver->write_ptr_1->length = (int)(enc.dest - \
+ (void *)(driver->buf_in_1)); \
+ usb_diag_write(driver->legacy_ch, driver->write_ptr_1); \
+ memset(driver->apps_rsp_buf, '\0', 500); \
+ } \
+} while (0)
+
+#define CHK_OVERFLOW(bufStart, start, end, length) \
+((bufStart <= start) && (end - start >= length)) ? 1 : 0
+
+int chk_config_get_id()
+{
+ switch (socinfo_get_id()) {
+ case APQ8060_MACHINE_ID:
+ case MSM8660_MACHINE_ID:
+ return APQ8060_TOOLS_ID;
+ case AO8960_MACHINE_ID:
+ return AO8960_TOOLS_ID;
+ default:
+ return 0;
+ }
+}
+
+void __diag_smd_send_req(void)
+{
+ void *buf = NULL;
+ int *in_busy_ptr = NULL;
+ struct diag_request *write_ptr_modem = NULL;
+
+ if (!driver->in_busy_1) {
+ buf = driver->buf_in_1;
+ write_ptr_modem = driver->write_ptr_1;
+ in_busy_ptr = &(driver->in_busy_1);
+ } else if (!driver->in_busy_2) {
+ buf = driver->buf_in_2;
+ write_ptr_modem = driver->write_ptr_2;
+ in_busy_ptr = &(driver->in_busy_2);
+ }
+
+ if (driver->ch && buf) {
+ int r = smd_read_avail(driver->ch);
+
+ if (r > IN_BUF_SIZE) {
+ if (r < MAX_IN_BUF_SIZE) {
+ pr_err("diag: SMD sending in "
+ "packets upto %d bytes", r);
+ buf = krealloc(buf, r, GFP_KERNEL);
+ } else {
+ pr_err("diag: SMD sending in "
+ "packets more than %d bytes", MAX_IN_BUF_SIZE);
+ return;
+ }
+ }
+ if (r > 0) {
+ if (!buf)
+ pr_info("Out of diagmem for Modem\n");
+ else {
+ APPEND_DEBUG('i');
+ smd_read(driver->ch, buf, r);
+ APPEND_DEBUG('j');
+ write_ptr_modem->length = r;
+ *in_busy_ptr = 1;
+ diag_device_write(buf, MODEM_DATA,
+ write_ptr_modem);
+ }
+ }
+ }
+}
+
+int diag_device_write(void *buf, int proc_num, struct diag_request *write_ptr)
+{
+ int i, err = 0;
+
+ if (driver->logging_mode == MEMORY_DEVICE_MODE) {
+ if (proc_num == APPS_DATA) {
+ for (i = 0; i < driver->poolsize_write_struct; i++)
+ if (driver->buf_tbl[i].length == 0) {
+ driver->buf_tbl[i].buf = buf;
+ driver->buf_tbl[i].length =
+ driver->used;
+#ifdef DIAG_DEBUG
+ pr_debug("diag: ENQUEUE buf ptr"
+ " and length is %x , %d\n",
+ (unsigned int)(driver->buf_
+ tbl[i].buf), driver->buf_tbl[i].length);
+#endif
+ break;
+ }
+ }
+ for (i = 0; i < driver->num_clients; i++)
+ if (driver->client_map[i].pid ==
+ driver->logging_process_id)
+ break;
+ if (i < driver->num_clients) {
+ driver->data_ready[i] |= MEMORY_DEVICE_LOG_TYPE;
+ wake_up_interruptible(&driver->wait_q);
+ } else
+ return -EINVAL;
+ } else if (driver->logging_mode == NO_LOGGING_MODE) {
+ if (proc_num == MODEM_DATA) {
+ driver->in_busy_1 = 0;
+ driver->in_busy_2 = 0;
+ queue_work(driver->diag_wq, &(driver->
+ diag_read_smd_work));
+ } else if (proc_num == QDSP_DATA) {
+ driver->in_busy_qdsp_1 = 0;
+ driver->in_busy_qdsp_2 = 0;
+ queue_work(driver->diag_wq, &(driver->
+ diag_read_smd_qdsp_work));
+ } else if (proc_num == WCNSS_DATA) {
+ driver->in_busy_wcnss = 0;
+ queue_work(driver->diag_wq, &(driver->
+ diag_read_smd_wcnss_work));
+ }
+ err = -1;
+ }
+#ifdef CONFIG_DIAG_OVER_USB
+ else if (driver->logging_mode == USB_MODE) {
+ if (proc_num == APPS_DATA) {
+ driver->write_ptr_svc = (struct diag_request *)
+ (diagmem_alloc(driver, sizeof(struct diag_request),
+ POOL_TYPE_WRITE_STRUCT));
+ if (driver->write_ptr_svc) {
+ driver->write_ptr_svc->length = driver->used;
+ driver->write_ptr_svc->buf = buf;
+ err = usb_diag_write(driver->legacy_ch,
+ driver->write_ptr_svc);
+ } else
+ err = -1;
+ } else if (proc_num == MODEM_DATA) {
+ write_ptr->buf = buf;
+#ifdef DIAG_DEBUG
+ printk(KERN_INFO "writing data to USB,"
+ "pkt length %d\n", write_ptr->length);
+ print_hex_dump(KERN_DEBUG, "Written Packet Data to"
+ " USB: ", 16, 1, DUMP_PREFIX_ADDRESS,
+ buf, write_ptr->length, 1);
+#endif /* DIAG DEBUG */
+ err = usb_diag_write(driver->legacy_ch, write_ptr);
+ } else if (proc_num == QDSP_DATA) {
+ write_ptr->buf = buf;
+ err = usb_diag_write(driver->legacy_ch, write_ptr);
+ } else if (proc_num == WCNSS_DATA) {
+ write_ptr->buf = buf;
+ err = usb_diag_write(driver->legacy_ch, write_ptr);
+ }
+#ifdef CONFIG_DIAG_SDIO_PIPE
+ else if (proc_num == SDIO_DATA) {
+ if (machine_is_msm8x60_fusion() ||
+ machine_is_msm8x60_fusn_ffa()) {
+ write_ptr->buf = buf;
+ err = usb_diag_write(driver->mdm_ch, write_ptr);
+ } else
+ pr_err("diag: Incorrect data while USB write");
+ }
+#endif
+ APPEND_DEBUG('d');
+ }
+#endif /* DIAG OVER USB */
+ return err;
+}
+
+void __diag_smd_wcnss_send_req(void)
+{
+ void *buf = driver->buf_in_wcnss;
+ int *in_busy_wcnss_ptr = &(driver->in_busy_wcnss);
+ struct diag_request *write_ptr_wcnss = driver->write_ptr_wcnss;
+
+ if (driver->ch_wcnss && buf) {
+ int r = smd_read_avail(driver->ch_wcnss);
+ if (r > IN_BUF_SIZE) {
+ if (r < MAX_IN_BUF_SIZE) {
+ pr_err("diag: wcnss packets > %d bytes", r);
+ buf = krealloc(buf, r, GFP_KERNEL);
+ } else {
+ pr_err("diag: wcnss pkt > %d", MAX_IN_BUF_SIZE);
+ return;
+ }
+ }
+ if (r > 0) {
+ if (!buf) {
+ pr_err("Out of diagmem for wcnss\n");
+ } else {
+ APPEND_DEBUG('i');
+ smd_read(driver->ch_wcnss, buf, r);
+ APPEND_DEBUG('j');
+ write_ptr_wcnss->length = r;
+ *in_busy_wcnss_ptr = 1;
+ diag_device_write(buf, WCNSS_DATA,
+ write_ptr_wcnss);
+ }
+ }
+ }
+}
+
+void __diag_smd_qdsp_send_req(void)
+{
+ void *buf = NULL;
+ int *in_busy_qdsp_ptr = NULL;
+ struct diag_request *write_ptr_qdsp = NULL;
+
+ if (!driver->in_busy_qdsp_1) {
+ buf = driver->buf_in_qdsp_1;
+ write_ptr_qdsp = driver->write_ptr_qdsp_1;
+ in_busy_qdsp_ptr = &(driver->in_busy_qdsp_1);
+ } else if (!driver->in_busy_qdsp_2) {
+ buf = driver->buf_in_qdsp_2;
+ write_ptr_qdsp = driver->write_ptr_qdsp_2;
+ in_busy_qdsp_ptr = &(driver->in_busy_qdsp_2);
+ }
+
+ if (driver->chqdsp && buf) {
+ int r = smd_read_avail(driver->chqdsp);
+
+ if (r > IN_BUF_SIZE) {
+ if (r < MAX_IN_BUF_SIZE) {
+ pr_err("diag: SMD sending in "
+ "packets upto %d bytes", r);
+ buf = krealloc(buf, r, GFP_KERNEL);
+ } else {
+ pr_err("diag: SMD sending in "
+ "packets more than %d bytes", MAX_IN_BUF_SIZE);
+ return;
+ }
+ }
+ if (r > 0) {
+ if (!buf)
+ printk(KERN_INFO "Out of diagmem for QDSP\n");
+ else {
+ APPEND_DEBUG('i');
+ smd_read(driver->chqdsp, buf, r);
+ APPEND_DEBUG('j');
+ write_ptr_qdsp->length = r;
+ *in_busy_qdsp_ptr = 1;
+ diag_device_write(buf, QDSP_DATA,
+ write_ptr_qdsp);
+ }
+ }
+ }
+}
+
+static void diag_print_mask_table(void)
+{
+/* Enable this to print mask table when updated */
+#ifdef MASK_DEBUG
+ int first;
+ int last;
+ uint8_t *ptr = driver->msg_masks;
+ int i = 0;
+
+ while (*(uint32_t *)(ptr + 4)) {
+ first = *(uint32_t *)ptr;
+ ptr += 4;
+ last = *(uint32_t *)ptr;
+ ptr += 4;
+ printk(KERN_INFO "SSID %d - %d\n", first, last);
+ for (i = 0 ; i <= last - first ; i++)
+ printk(KERN_INFO "MASK:%x\n", *((uint32_t *)ptr + i));
+ ptr += ((last - first) + 1)*4;
+
+ }
+#endif
+}
+
+static void diag_update_msg_mask(int start, int end , uint8_t *buf)
+{
+ int found = 0;
+ int first;
+ int last;
+ uint8_t *ptr = driver->msg_masks;
+ uint8_t *ptr_buffer_start = &(*(driver->msg_masks));
+ uint8_t *ptr_buffer_end = &(*(driver->msg_masks)) + MSG_MASK_SIZE;
+
+ mutex_lock(&driver->diagchar_mutex);
+ /* First SSID can be zero : So check that last is non-zero */
+
+ while (*(uint32_t *)(ptr + 4)) {
+ first = *(uint32_t *)ptr;
+ ptr += 4;
+ last = *(uint32_t *)ptr;
+ ptr += 4;
+ if (start >= first && start <= last) {
+ ptr += (start - first)*4;
+ if (end <= last)
+ if (CHK_OVERFLOW(ptr_buffer_start, ptr,
+ ptr_buffer_end,
+ (((end - start)+1)*4)))
+ memcpy(ptr, buf , ((end - start)+1)*4);
+ else
+ printk(KERN_CRIT "Not enough"
+ " buffer space for"
+ " MSG_MASK\n");
+ else
+ printk(KERN_INFO "Unable to copy"
+ " mask change\n");
+
+ found = 1;
+ break;
+ } else {
+ ptr += ((last - first) + 1)*4;
+ }
+ }
+ /* Entry was not found - add new table */
+ if (!found) {
+ if (CHK_OVERFLOW(ptr_buffer_start, ptr, ptr_buffer_end,
+ 8 + ((end - start) + 1)*4)) {
+ memcpy(ptr, &(start) , 4);
+ ptr += 4;
+ memcpy(ptr, &(end), 4);
+ ptr += 4;
+ memcpy(ptr, buf , ((end - start) + 1)*4);
+ } else
+ printk(KERN_CRIT " Not enough buffer"
+ " space for MSG_MASK\n");
+ }
+ mutex_unlock(&driver->diagchar_mutex);
+ diag_print_mask_table();
+
+}
+
+static void diag_update_event_mask(uint8_t *buf, int toggle, int num_bits)
+{
+ uint8_t *ptr = driver->event_masks;
+ uint8_t *temp = buf + 2;
+
+ mutex_lock(&driver->diagchar_mutex);
+ if (!toggle)
+ memset(ptr, 0 , EVENT_MASK_SIZE);
+ else
+ if (CHK_OVERFLOW(ptr, ptr,
+ ptr+EVENT_MASK_SIZE,
+ num_bits/8 + 1))
+ memcpy(ptr, temp , num_bits/8 + 1);
+ else
+ printk(KERN_CRIT "Not enough buffer space "
+ "for EVENT_MASK\n");
+ mutex_unlock(&driver->diagchar_mutex);
+}
+
+static void diag_update_log_mask(int equip_id, uint8_t *buf, int num_items)
+{
+ uint8_t *temp = buf;
+ struct mask_info {
+ int equip_id;
+ int index;
+ };
+ int i = 0;
+ unsigned char *ptr_data;
+ int offset = 8*MAX_EQUIP_ID;
+ struct mask_info *ptr = (struct mask_info *)driver->log_masks;
+
+ mutex_lock(&driver->diagchar_mutex);
+ /* Check if we already know index of this equipment ID */
+ for (i = 0; i < MAX_EQUIP_ID; i++) {
+ if ((ptr->equip_id == equip_id) && (ptr->index != 0)) {
+ offset = ptr->index;
+ break;
+ }
+ if ((ptr->equip_id == 0) && (ptr->index == 0)) {
+ /*Reached a null entry */
+ ptr->equip_id = equip_id;
+ ptr->index = driver->log_masks_length;
+ offset = driver->log_masks_length;
+ driver->log_masks_length += ((num_items+7)/8);
+ break;
+ }
+ ptr++;
+ }
+ ptr_data = driver->log_masks + offset;
+ if (CHK_OVERFLOW(driver->log_masks, ptr_data, driver->log_masks
+ + LOG_MASK_SIZE, (num_items+7)/8))
+ memcpy(ptr_data, temp , (num_items+7)/8);
+ else
+ printk(KERN_CRIT " Not enough buffer space for LOG_MASK\n");
+ mutex_unlock(&driver->diagchar_mutex);
+}
+
+static void diag_update_pkt_buffer(unsigned char *buf)
+{
+ unsigned char *ptr = driver->pkt_buf;
+ unsigned char *temp = buf;
+
+ mutex_lock(&driver->diagchar_mutex);
+ if (CHK_OVERFLOW(ptr, ptr, ptr + PKT_SIZE, driver->pkt_length))
+ memcpy(ptr, temp , driver->pkt_length);
+ else
+ printk(KERN_CRIT " Not enough buffer space for PKT_RESP\n");
+ mutex_unlock(&driver->diagchar_mutex);
+}
+
+void diag_update_userspace_clients(unsigned int type)
+{
+ int i;
+
+ mutex_lock(&driver->diagchar_mutex);
+ for (i = 0; i < driver->num_clients; i++)
+ if (driver->client_map[i].pid != 0)
+ driver->data_ready[i] |= type;
+ wake_up_interruptible(&driver->wait_q);
+ mutex_unlock(&driver->diagchar_mutex);
+}
+
+void diag_update_sleeping_process(int process_id)
+{
+ int i;
+
+ mutex_lock(&driver->diagchar_mutex);
+ for (i = 0; i < driver->num_clients; i++)
+ if (driver->client_map[i].pid == process_id) {
+ driver->data_ready[i] |= PKT_TYPE;
+ break;
+ }
+ wake_up_interruptible(&driver->wait_q);
+ mutex_unlock(&driver->diagchar_mutex);
+}
+
+void diag_send_data(struct diag_master_table entry, unsigned char *buf,
+ int len, int type)
+{
+ driver->pkt_length = len;
+ if (entry.process_id != NON_APPS_PROC && type != MODEM_DATA) {
+ diag_update_pkt_buffer(buf);
+ diag_update_sleeping_process(entry.process_id);
+ } else {
+ if (len > 0) {
+ if (entry.client_id == MODEM_PROC && driver->ch)
+ smd_write(driver->ch, buf, len);
+ else if (entry.client_id == QDSP_PROC &&
+ driver->chqdsp)
+ smd_write(driver->chqdsp, buf, len);
+ else if (entry.client_id == WCNSS_PROC &&
+ driver->ch_wcnss)
+ smd_write(driver->ch_wcnss, buf, len);
+ else
+ pr_alert("diag: incorrect channel");
+ }
+ }
+}
+
+static int diag_process_apps_pkt(unsigned char *buf, int len)
+{
+ uint16_t subsys_cmd_code;
+ int subsys_id, ssid_first, ssid_last, ssid_range;
+ int packet_type = 1, i, cmd_code;
+ unsigned char *temp = buf;
+ int data_type;
+#if defined(CONFIG_DIAG_OVER_USB)
+ int payload_length;
+ unsigned char *ptr;
+#endif
+
+ /* Check for registered clients and forward packet to apropriate proc */
+ cmd_code = (int)(*(char *)buf);
+ temp++;
+ subsys_id = (int)(*(char *)temp);
+ temp++;
+ subsys_cmd_code = *(uint16_t *)temp;
+ temp += 2;
+ data_type = APPS_DATA;
+ /* Dont send any command other than mode reset */
+ if (cpu_is_msm8960() && cmd_code == MODE_CMD) {
+ if (subsys_id != RESET_ID)
+ data_type = MODEM_DATA;
+ }
+
+ pr_debug("diag: %d %d %d", cmd_code, subsys_id, subsys_cmd_code);
+ for (i = 0; i < diag_max_registration; i++) {
+ entry = driver->table[i];
+ if (entry.process_id != NO_PROCESS) {
+ if (entry.cmd_code == cmd_code && entry.subsys_id ==
+ subsys_id && entry.cmd_code_lo <=
+ subsys_cmd_code &&
+ entry.cmd_code_hi >= subsys_cmd_code) {
+ diag_send_data(entry, buf, len, data_type);
+ packet_type = 0;
+ } else if (entry.cmd_code == 255
+ && cmd_code == 75) {
+ if (entry.subsys_id ==
+ subsys_id &&
+ entry.cmd_code_lo <=
+ subsys_cmd_code &&
+ entry.cmd_code_hi >=
+ subsys_cmd_code) {
+ diag_send_data(entry, buf, len,
+ data_type);
+ packet_type = 0;
+ }
+ } else if (entry.cmd_code == 255 &&
+ entry.subsys_id == 255) {
+ if (entry.cmd_code_lo <=
+ cmd_code &&
+ entry.
+ cmd_code_hi >= cmd_code) {
+ diag_send_data(entry, buf, len,
+ data_type);
+ packet_type = 0;
+ }
+ }
+ }
+ }
+ /* set event mask */
+ if (*buf == 0x82) {
+ buf += 4;
+ diag_update_event_mask(buf, 1, *(uint16_t *)buf);
+ diag_update_userspace_clients(EVENT_MASKS_TYPE);
+ }
+ /* event mask change */
+ else if ((*buf == 0x60) && (*(buf+1) == 0x0)) {
+ diag_update_event_mask(buf+1, 0, 0);
+ diag_update_userspace_clients(EVENT_MASKS_TYPE);
+#if defined(CONFIG_DIAG_OVER_USB)
+ /* Check for Apps Only 8960 */
+ if (!(driver->ch) && (chk_config_get_id() == AO8960_TOOLS_ID)) {
+ /* echo response back for apps only DIAG */
+ driver->apps_rsp_buf[0] = 0x60;
+ driver->apps_rsp_buf[1] = 0x0;
+ driver->apps_rsp_buf[2] = 0x0;
+ ENCODE_RSP_AND_SEND(2);
+ return 0;
+ }
+#endif
+ }
+ /* Set log masks */
+ else if (*buf == 0x73 && *(int *)(buf+4) == 3) {
+ buf += 8;
+ /* Read Equip ID and pass as first param below*/
+ diag_update_log_mask(*(int *)buf, buf+8, *(int *)(buf+4));
+ diag_update_userspace_clients(LOG_MASKS_TYPE);
+#if defined(CONFIG_DIAG_OVER_USB)
+ /* Check for Apps Only 8960 */
+ if (!(driver->ch) && (chk_config_get_id() == AO8960_TOOLS_ID)) {
+ /* echo response back for Apps only DIAG */
+ driver->apps_rsp_buf[0] = 0x73;
+ *(int *)(driver->apps_rsp_buf + 4) = 0x3; /* op. ID */
+ *(int *)(driver->apps_rsp_buf + 8) = 0x0; /* success */
+ payload_length = 8 + ((*(int *)(buf + 4)) + 7)/8;
+ for (i = 0; i < payload_length; i++)
+ *(int *)(driver->apps_rsp_buf+12+i) =
+ *(buf+8+i);
+ ENCODE_RSP_AND_SEND(12 + payload_length - 1);
+ return 0;
+ }
+#endif
+ }
+ /* Check for set message mask */
+ else if ((*buf == 0x7d) && (*(buf+1) == 0x4)) {
+ ssid_first = *(uint16_t *)(buf + 2);
+ ssid_last = *(uint16_t *)(buf + 4);
+ ssid_range = 4 * (ssid_last - ssid_first + 1);
+ diag_update_msg_mask(ssid_first, ssid_last , buf + 8);
+ diag_update_userspace_clients(MSG_MASKS_TYPE);
+#if defined(CONFIG_DIAG_OVER_USB)
+ if (!(driver->ch) && (chk_config_get_id() == AO8960_TOOLS_ID)) {
+ /* echo response back for apps only DIAG */
+ for (i = 0; i < 8 + ssid_range; i++)
+ *(driver->apps_rsp_buf + i) = *(buf+i);
+ ENCODE_RSP_AND_SEND(8 + ssid_range - 1);
+ return 0;
+ }
+#endif
+ }
+#if defined(CONFIG_DIAG_OVER_USB)
+ /* Check for Apps Only 8960 & get event mask request */
+ else if (!(driver->ch) && (chk_config_get_id() == AO8960_TOOLS_ID)
+ && *buf == 0x81) {
+ driver->apps_rsp_buf[0] = 0x81;
+ driver->apps_rsp_buf[1] = 0x0;
+ *(uint16_t *)(driver->apps_rsp_buf + 2) = 0x0;
+ *(uint16_t *)(driver->apps_rsp_buf + 4) = EVENT_LAST_ID + 1;
+ for (i = 0; i < EVENT_LAST_ID/8 + 1; i++)
+ *(unsigned char *)(driver->apps_rsp_buf + 6 + i) = 0x0;
+ ENCODE_RSP_AND_SEND(6 + EVENT_LAST_ID/8);
+ return 0;
+ }
+ /* Get log ID range & Check for Apps Only 8960 */
+ else if (!(driver->ch) && (chk_config_get_id() == AO8960_TOOLS_ID)
+ && (*buf == 0x73) && *(int *)(buf+4) == 1) {
+ driver->apps_rsp_buf[0] = 0x73;
+ *(int *)(driver->apps_rsp_buf + 4) = 0x1; /* operation ID */
+ *(int *)(driver->apps_rsp_buf + 8) = 0x0; /* success code */
+ *(int *)(driver->apps_rsp_buf + 12) = LOG_GET_ITEM_NUM(LOG_0);
+ *(int *)(driver->apps_rsp_buf + 16) = LOG_GET_ITEM_NUM(LOG_1);
+ *(int *)(driver->apps_rsp_buf + 20) = LOG_GET_ITEM_NUM(LOG_2);
+ *(int *)(driver->apps_rsp_buf + 24) = LOG_GET_ITEM_NUM(LOG_3);
+ *(int *)(driver->apps_rsp_buf + 28) = LOG_GET_ITEM_NUM(LOG_4);
+ *(int *)(driver->apps_rsp_buf + 32) = LOG_GET_ITEM_NUM(LOG_5);
+ *(int *)(driver->apps_rsp_buf + 36) = LOG_GET_ITEM_NUM(LOG_6);
+ *(int *)(driver->apps_rsp_buf + 40) = LOG_GET_ITEM_NUM(LOG_7);
+ *(int *)(driver->apps_rsp_buf + 44) = LOG_GET_ITEM_NUM(LOG_8);
+ *(int *)(driver->apps_rsp_buf + 48) = LOG_GET_ITEM_NUM(LOG_9);
+ *(int *)(driver->apps_rsp_buf + 52) = LOG_GET_ITEM_NUM(LOG_10);
+ *(int *)(driver->apps_rsp_buf + 56) = LOG_GET_ITEM_NUM(LOG_11);
+ *(int *)(driver->apps_rsp_buf + 60) = LOG_GET_ITEM_NUM(LOG_12);
+ *(int *)(driver->apps_rsp_buf + 64) = LOG_GET_ITEM_NUM(LOG_13);
+ *(int *)(driver->apps_rsp_buf + 68) = LOG_GET_ITEM_NUM(LOG_14);
+ *(int *)(driver->apps_rsp_buf + 72) = LOG_GET_ITEM_NUM(LOG_15);
+ ENCODE_RSP_AND_SEND(75);
+ return 0;
+ }
+ /* Respond to Get SSID Range request message */
+ else if (!(driver->ch) && (chk_config_get_id() == AO8960_TOOLS_ID)
+ && (*buf == 0x7d) && (*(buf+1) == 0x1)) {
+ driver->apps_rsp_buf[0] = 0x7d;
+ driver->apps_rsp_buf[1] = 0x1;
+ driver->apps_rsp_buf[2] = 0x1;
+ driver->apps_rsp_buf[3] = 0x0;
+ *(int *)(driver->apps_rsp_buf + 4) = MSG_MASK_TBL_CNT;
+ *(uint16_t *)(driver->apps_rsp_buf + 8) = MSG_SSID_0;
+ *(uint16_t *)(driver->apps_rsp_buf + 10) = MSG_SSID_0_LAST;
+ *(uint16_t *)(driver->apps_rsp_buf + 12) = MSG_SSID_1;
+ *(uint16_t *)(driver->apps_rsp_buf + 14) = MSG_SSID_1_LAST;
+ *(uint16_t *)(driver->apps_rsp_buf + 16) = MSG_SSID_2;
+ *(uint16_t *)(driver->apps_rsp_buf + 18) = MSG_SSID_2_LAST;
+ *(uint16_t *)(driver->apps_rsp_buf + 20) = MSG_SSID_3;
+ *(uint16_t *)(driver->apps_rsp_buf + 22) = MSG_SSID_3_LAST;
+ *(uint16_t *)(driver->apps_rsp_buf + 24) = MSG_SSID_4;
+ *(uint16_t *)(driver->apps_rsp_buf + 26) = MSG_SSID_4_LAST;
+ *(uint16_t *)(driver->apps_rsp_buf + 28) = MSG_SSID_5;
+ *(uint16_t *)(driver->apps_rsp_buf + 30) = MSG_SSID_5_LAST;
+ *(uint16_t *)(driver->apps_rsp_buf + 32) = MSG_SSID_6;
+ *(uint16_t *)(driver->apps_rsp_buf + 34) = MSG_SSID_6_LAST;
+ *(uint16_t *)(driver->apps_rsp_buf + 36) = MSG_SSID_7;
+ *(uint16_t *)(driver->apps_rsp_buf + 38) = MSG_SSID_7_LAST;
+ *(uint16_t *)(driver->apps_rsp_buf + 40) = MSG_SSID_8;
+ *(uint16_t *)(driver->apps_rsp_buf + 42) = MSG_SSID_8_LAST;
+ *(uint16_t *)(driver->apps_rsp_buf + 44) = MSG_SSID_9;
+ *(uint16_t *)(driver->apps_rsp_buf + 46) = MSG_SSID_9_LAST;
+ *(uint16_t *)(driver->apps_rsp_buf + 48) = MSG_SSID_10;
+ *(uint16_t *)(driver->apps_rsp_buf + 50) = MSG_SSID_10_LAST;
+ *(uint16_t *)(driver->apps_rsp_buf + 52) = MSG_SSID_11;
+ *(uint16_t *)(driver->apps_rsp_buf + 54) = MSG_SSID_11_LAST;
+ *(uint16_t *)(driver->apps_rsp_buf + 56) = MSG_SSID_12;
+ *(uint16_t *)(driver->apps_rsp_buf + 58) = MSG_SSID_12_LAST;
+ *(uint16_t *)(driver->apps_rsp_buf + 60) = MSG_SSID_13;
+ *(uint16_t *)(driver->apps_rsp_buf + 62) = MSG_SSID_13_LAST;
+ *(uint16_t *)(driver->apps_rsp_buf + 64) = MSG_SSID_14;
+ *(uint16_t *)(driver->apps_rsp_buf + 66) = MSG_SSID_14_LAST;
+ *(uint16_t *)(driver->apps_rsp_buf + 68) = MSG_SSID_15;
+ *(uint16_t *)(driver->apps_rsp_buf + 70) = MSG_SSID_15_LAST;
+ *(uint16_t *)(driver->apps_rsp_buf + 72) = MSG_SSID_16;
+ *(uint16_t *)(driver->apps_rsp_buf + 74) = MSG_SSID_16_LAST;
+ *(uint16_t *)(driver->apps_rsp_buf + 76) = MSG_SSID_17;
+ *(uint16_t *)(driver->apps_rsp_buf + 78) = MSG_SSID_17_LAST;
+ *(uint16_t *)(driver->apps_rsp_buf + 80) = MSG_SSID_18;
+ *(uint16_t *)(driver->apps_rsp_buf + 82) = MSG_SSID_18_LAST;
+ ENCODE_RSP_AND_SEND(83);
+ return 0;
+ }
+ /* Check for AO8960 Respond to Get Subsys Build mask */
+ else if (!(driver->ch) && (chk_config_get_id() == AO8960_TOOLS_ID)
+ && (*buf == 0x7d) && (*(buf+1) == 0x2)) {
+ ssid_first = *(uint16_t *)(buf + 2);
+ ssid_last = *(uint16_t *)(buf + 4);
+ ssid_range = 4 * (ssid_last - ssid_first + 1);
+ /* frame response */
+ driver->apps_rsp_buf[0] = 0x7d;
+ driver->apps_rsp_buf[1] = 0x2;
+ *(uint16_t *)(driver->apps_rsp_buf + 2) = ssid_first;
+ *(uint16_t *)(driver->apps_rsp_buf + 4) = ssid_last;
+ driver->apps_rsp_buf[6] = 0x1;
+ driver->apps_rsp_buf[7] = 0x0;
+ ptr = driver->apps_rsp_buf + 8;
+ /* bld time masks */
+ switch (ssid_first) {
+ case MSG_SSID_0:
+ for (i = 0; i < ssid_range; i += 4)
+ *(int *)(ptr + i) = msg_bld_masks_0[i/4];
+ break;
+ case MSG_SSID_1:
+ for (i = 0; i < ssid_range; i += 4)
+ *(int *)(ptr + i) = msg_bld_masks_1[i/4];
+ break;
+ case MSG_SSID_2:
+ for (i = 0; i < ssid_range; i += 4)
+ *(int *)(ptr + i) = msg_bld_masks_2[i/4];
+ break;
+ case MSG_SSID_3:
+ for (i = 0; i < ssid_range; i += 4)
+ *(int *)(ptr + i) = msg_bld_masks_3[i/4];
+ break;
+ case MSG_SSID_4:
+ for (i = 0; i < ssid_range; i += 4)
+ *(int *)(ptr + i) = msg_bld_masks_4[i/4];
+ break;
+ case MSG_SSID_5:
+ for (i = 0; i < ssid_range; i += 4)
+ *(int *)(ptr + i) = msg_bld_masks_5[i/4];
+ break;
+ case MSG_SSID_6:
+ for (i = 0; i < ssid_range; i += 4)
+ *(int *)(ptr + i) = msg_bld_masks_6[i/4];
+ break;
+ case MSG_SSID_7:
+ for (i = 0; i < ssid_range; i += 4)
+ *(int *)(ptr + i) = msg_bld_masks_7[i/4];
+ break;
+ case MSG_SSID_8:
+ for (i = 0; i < ssid_range; i += 4)
+ *(int *)(ptr + i) = msg_bld_masks_8[i/4];
+ break;
+ case MSG_SSID_9:
+ for (i = 0; i < ssid_range; i += 4)
+ *(int *)(ptr + i) = msg_bld_masks_9[i/4];
+ break;
+ case MSG_SSID_10:
+ for (i = 0; i < ssid_range; i += 4)
+ *(int *)(ptr + i) = msg_bld_masks_10[i/4];
+ break;
+ case MSG_SSID_11:
+ for (i = 0; i < ssid_range; i += 4)
+ *(int *)(ptr + i) = msg_bld_masks_11[i/4];
+ break;
+ case MSG_SSID_12:
+ for (i = 0; i < ssid_range; i += 4)
+ *(int *)(ptr + i) = msg_bld_masks_12[i/4];
+ break;
+ case MSG_SSID_13:
+ for (i = 0; i < ssid_range; i += 4)
+ *(int *)(ptr + i) = msg_bld_masks_13[i/4];
+ break;
+ case MSG_SSID_14:
+ for (i = 0; i < ssid_range; i += 4)
+ *(int *)(ptr + i) = msg_bld_masks_14[i/4];
+ break;
+ case MSG_SSID_15:
+ for (i = 0; i < ssid_range; i += 4)
+ *(int *)(ptr + i) = msg_bld_masks_15[i/4];
+ break;
+ case MSG_SSID_16:
+ for (i = 0; i < ssid_range; i += 4)
+ *(int *)(ptr + i) = msg_bld_masks_16[i/4];
+ break;
+ case MSG_SSID_17:
+ for (i = 0; i < ssid_range; i += 4)
+ *(int *)(ptr + i) = msg_bld_masks_17[i/4];
+ break;
+ case MSG_SSID_18:
+ for (i = 0; i < ssid_range; i += 4)
+ *(int *)(ptr + i) = msg_bld_masks_18[i/4];
+ break;
+ }
+ ENCODE_RSP_AND_SEND(8 + ssid_range - 1);
+ return 0;
+ }
+ /* Check for download command */
+ else if ((cpu_is_msm8x60() || cpu_is_msm8960()) && (*buf == 0x3A)) {
+ /* send response back */
+ driver->apps_rsp_buf[0] = *buf;
+ ENCODE_RSP_AND_SEND(0);
+ msleep(5000);
+ /* call download API */
+ msm_set_restart_mode(RESTART_DLOAD);
+ printk(KERN_CRIT "diag: download mode set, Rebooting SoC..\n");
+ kernel_restart(NULL);
+ /* Not required, represents that command isnt sent to modem */
+ return 0;
+ }
+ /* Check for ID for NO MODEM present */
+ else if (!(driver->ch)) {
+ /* Respond to polling for Apps only DIAG */
+ if ((*buf == 0x4b) && (*(buf+1) == 0x32) &&
+ (*(buf+2) == 0x03)) {
+ for (i = 0; i < 3; i++)
+ driver->apps_rsp_buf[i] = *(buf+i);
+ for (i = 0; i < 13; i++)
+ driver->apps_rsp_buf[i+3] = 0;
+
+ ENCODE_RSP_AND_SEND(15);
+ return 0;
+ }
+ /* respond to 0x0 command */
+ else if (*buf == 0x00) {
+ for (i = 0; i < 55; i++)
+ driver->apps_rsp_buf[i] = 0;
+
+ ENCODE_RSP_AND_SEND(54);
+ return 0;
+ }
+ /* respond to 0x7c command */
+ else if (*buf == 0x7c) {
+ driver->apps_rsp_buf[0] = 0x7c;
+ for (i = 1; i < 8; i++)
+ driver->apps_rsp_buf[i] = 0;
+ /* Tools ID for APQ 8060 */
+ *(int *)(driver->apps_rsp_buf + 8) =
+ chk_config_get_id();
+ *(unsigned char *)(driver->apps_rsp_buf + 12) = '\0';
+ *(unsigned char *)(driver->apps_rsp_buf + 13) = '\0';
+ ENCODE_RSP_AND_SEND(13);
+ return 0;
+ }
+ }
+#endif
+ return packet_type;
+}
+
+#ifdef CONFIG_DIAG_OVER_USB
+void diag_send_error_rsp(int index)
+{
+ int i;
+ driver->apps_rsp_buf[0] = 0x13; /* error code 13 */
+ for (i = 0; i < index; i++)
+ driver->apps_rsp_buf[i+1] = *(driver->hdlc_buf+i);
+ ENCODE_RSP_AND_SEND(index - 3);
+}
+#else
+static inline void diag_send_error_rsp(int index) {}
+#endif
+
+void diag_process_hdlc(void *data, unsigned len)
+{
+ struct diag_hdlc_decode_type hdlc;
+ int ret, type = 0;
+ pr_debug("diag: HDLC decode fn, len of data %d\n", len);
+ hdlc.dest_ptr = driver->hdlc_buf;
+ hdlc.dest_size = USB_MAX_OUT_BUF;
+ hdlc.src_ptr = data;
+ hdlc.src_size = len;
+ hdlc.src_idx = 0;
+ hdlc.dest_idx = 0;
+ hdlc.escaping = 0;
+
+ ret = diag_hdlc_decode(&hdlc);
+
+ if (ret)
+ type = diag_process_apps_pkt(driver->hdlc_buf,
+ hdlc.dest_idx - 3);
+ else if (driver->debug_flag) {
+ printk(KERN_ERR "Packet dropped due to bad HDLC coding/CRC"
+ " errors or partial packet received, packet"
+ " length = %d\n", len);
+ print_hex_dump(KERN_DEBUG, "Dropped Packet Data: ", 16, 1,
+ DUMP_PREFIX_ADDRESS, data, len, 1);
+ driver->debug_flag = 0;
+ }
+ /* send error responses from APPS for Central Routing */
+ if (type == 1 && chk_config_get_id() == AO8960_TOOLS_ID) {
+ diag_send_error_rsp(hdlc.dest_idx);
+ type = 0;
+ }
+ /* implies this packet is NOT meant for apps */
+ if (!(driver->ch) && type == 1) {
+ if (chk_config_get_id() == AO8960_TOOLS_ID) {
+ diag_send_error_rsp(hdlc.dest_idx);
+ } else { /* APQ 8060, Let Q6 respond */
+ if (driver->chqdsp)
+ smd_write(driver->chqdsp, driver->hdlc_buf,
+ hdlc.dest_idx - 3);
+ }
+ type = 0;
+ }
+
+#ifdef DIAG_DEBUG
+ pr_debug("diag: hdlc.dest_idx = %d", hdlc.dest_idx);
+ for (i = 0; i < hdlc.dest_idx; i++)
+ printk(KERN_DEBUG "\t%x", *(((unsigned char *)
+ driver->hdlc_buf)+i));
+#endif /* DIAG DEBUG */
+ /* ignore 2 bytes for CRC, one for 7E and send */
+ if ((driver->ch) && (ret) && (type) && (hdlc.dest_idx > 3)) {
+ APPEND_DEBUG('g');
+ smd_write(driver->ch, driver->hdlc_buf, hdlc.dest_idx - 3);
+ APPEND_DEBUG('h');
+#ifdef DIAG_DEBUG
+ printk(KERN_INFO "writing data to SMD, pkt length %d\n", len);
+ print_hex_dump(KERN_DEBUG, "Written Packet Data to SMD: ", 16,
+ 1, DUMP_PREFIX_ADDRESS, data, len, 1);
+#endif /* DIAG DEBUG */
+ }
+}
+
+#ifdef CONFIG_DIAG_OVER_USB
+#define N_LEGACY_WRITE (driver->poolsize + 5) /* 2+1 for modem ; 2 for q6 */
+#define N_LEGACY_READ 1
+
+int diagfwd_connect(void)
+{
+ int err;
+
+ printk(KERN_DEBUG "diag: USB connected\n");
+ err = usb_diag_alloc_req(driver->legacy_ch, N_LEGACY_WRITE,
+ N_LEGACY_READ);
+ if (err)
+ printk(KERN_ERR "diag: unable to alloc USB req on legacy ch");
+
+ driver->usb_connected = 1;
+ driver->in_busy_1 = 0;
+ driver->in_busy_2 = 0;
+ driver->in_busy_qdsp_1 = 0;
+ driver->in_busy_qdsp_2 = 0;
+ driver->in_busy_wcnss = 0;
+
+ /* Poll SMD channels to check for data*/
+ queue_work(driver->diag_wq, &(driver->diag_read_smd_work));
+ queue_work(driver->diag_wq, &(driver->diag_read_smd_qdsp_work));
+ queue_work(driver->diag_wq, &(driver->diag_read_smd_wcnss_work));
+ /* Poll USB channel to check for data*/
+ queue_work(driver->diag_wq, &(driver->diag_read_work));
+#ifdef CONFIG_DIAG_SDIO_PIPE
+ if (machine_is_msm8x60_fusion() || machine_is_msm8x60_fusn_ffa()) {
+ if (driver->mdm_ch && !IS_ERR(driver->mdm_ch))
+ diagfwd_connect_sdio();
+ else
+ printk(KERN_INFO "diag: No USB MDM ch");
+ }
+#endif
+ return 0;
+}
+
+int diagfwd_disconnect(void)
+{
+ printk(KERN_DEBUG "diag: USB disconnected\n");
+ driver->usb_connected = 0;
+ driver->in_busy_1 = 1;
+ driver->in_busy_2 = 1;
+ driver->in_busy_qdsp_1 = 1;
+ driver->in_busy_qdsp_2 = 1;
+ driver->in_busy_wcnss = 1;
+ driver->debug_flag = 1;
+ usb_diag_free_req(driver->legacy_ch);
+#ifdef CONFIG_DIAG_SDIO_PIPE
+ if (machine_is_msm8x60_fusion() || machine_is_msm8x60_fusn_ffa())
+ if (driver->mdm_ch && !IS_ERR(driver->mdm_ch))
+ diagfwd_disconnect_sdio();
+#endif
+ /* TBD - notify and flow control SMD */
+ return 0;
+}
+
+int diagfwd_write_complete(struct diag_request *diag_write_ptr)
+{
+ unsigned char *buf = diag_write_ptr->buf;
+ /*Determine if the write complete is for data from modem/apps/q6 */
+ /* Need a context variable here instead */
+ if (buf == (void *)driver->buf_in_1) {
+ driver->in_busy_1 = 0;
+ APPEND_DEBUG('o');
+ queue_work(driver->diag_wq, &(driver->diag_read_smd_work));
+ } else if (buf == (void *)driver->buf_in_2) {
+ driver->in_busy_2 = 0;
+ APPEND_DEBUG('O');
+ queue_work(driver->diag_wq, &(driver->diag_read_smd_work));
+ } else if (buf == (void *)driver->buf_in_qdsp_1) {
+ driver->in_busy_qdsp_1 = 0;
+ APPEND_DEBUG('p');
+ queue_work(driver->diag_wq, &(driver->diag_read_smd_qdsp_work));
+ } else if (buf == (void *)driver->buf_in_qdsp_2) {
+ driver->in_busy_qdsp_2 = 0;
+ APPEND_DEBUG('P');
+ queue_work(driver->diag_wq, &(driver->diag_read_smd_qdsp_work));
+ } else if (buf == (void *)driver->buf_in_wcnss) {
+ driver->in_busy_wcnss = 0;
+ APPEND_DEBUG('R');
+ queue_work(driver->diag_wq,
+ &(driver->diag_read_smd_wcnss_work));
+ }
+#ifdef CONFIG_DIAG_SDIO_PIPE
+ else if (buf == (void *)driver->buf_in_sdio)
+ if (machine_is_msm8x60_fusion() ||
+ machine_is_msm8x60_fusn_ffa())
+ diagfwd_write_complete_sdio();
+ else
+ pr_err("diag: Incorrect buffer pointer while WRITE");
+#endif
+ else {
+ diagmem_free(driver, (unsigned char *)buf, POOL_TYPE_HDLC);
+ diagmem_free(driver, (unsigned char *)diag_write_ptr,
+ POOL_TYPE_WRITE_STRUCT);
+ APPEND_DEBUG('q');
+ }
+ return 0;
+}
+
+int diagfwd_read_complete(struct diag_request *diag_read_ptr)
+{
+ int status = diag_read_ptr->status;
+ unsigned char *buf = diag_read_ptr->buf;
+
+ /* Determine if the read complete is for data on legacy/mdm ch */
+ if (buf == (void *)driver->usb_buf_out) {
+ driver->read_len_legacy = diag_read_ptr->actual;
+ APPEND_DEBUG('s');
+#ifdef DIAG_DEBUG
+ printk(KERN_INFO "read data from USB, pkt length %d",
+ diag_read_ptr->actual);
+ print_hex_dump(KERN_DEBUG, "Read Packet Data from USB: ", 16, 1,
+ DUMP_PREFIX_ADDRESS, diag_read_ptr->buf,
+ diag_read_ptr->actual, 1);
+#endif /* DIAG DEBUG */
+ if (driver->logging_mode == USB_MODE) {
+ if (status != -ECONNRESET && status != -ESHUTDOWN)
+ queue_work(driver->diag_wq,
+ &(driver->diag_proc_hdlc_work));
+ else
+ queue_work(driver->diag_wq,
+ &(driver->diag_read_work));
+ }
+ }
+#ifdef CONFIG_DIAG_SDIO_PIPE
+ else if (buf == (void *)driver->usb_buf_mdm_out) {
+ if (machine_is_msm8x60_fusion() ||
+ machine_is_msm8x60_fusn_ffa()) {
+ driver->read_len_mdm = diag_read_ptr->actual;
+ diagfwd_read_complete_sdio();
+ } else
+ pr_err("diag: Incorrect buffer pointer while READ");
+ }
+#endif
+ else
+ printk(KERN_ERR "diag: Unknown buffer ptr from USB");
+
+ return 0;
+}
+
+void diag_read_work_fn(struct work_struct *work)
+{
+ APPEND_DEBUG('d');
+ driver->usb_read_ptr->buf = driver->usb_buf_out;
+ driver->usb_read_ptr->length = USB_MAX_OUT_BUF;
+ usb_diag_read(driver->legacy_ch, driver->usb_read_ptr);
+ APPEND_DEBUG('e');
+}
+
+void diag_process_hdlc_fn(struct work_struct *work)
+{
+ APPEND_DEBUG('D');
+ diag_process_hdlc(driver->usb_buf_out, driver->read_len_legacy);
+ diag_read_work_fn(work);
+ APPEND_DEBUG('E');
+}
+
+void diag_usb_legacy_notifier(void *priv, unsigned event,
+ struct diag_request *d_req)
+{
+ switch (event) {
+ case USB_DIAG_CONNECT:
+ diagfwd_connect();
+ break;
+ case USB_DIAG_DISCONNECT:
+ diagfwd_disconnect();
+ break;
+ case USB_DIAG_READ_DONE:
+ diagfwd_read_complete(d_req);
+ break;
+ case USB_DIAG_WRITE_DONE:
+ diagfwd_write_complete(d_req);
+ break;
+ default:
+ printk(KERN_ERR "Unknown event from USB diag\n");
+ break;
+ }
+}
+
+#endif /* DIAG OVER USB */
+
+static void diag_smd_notify(void *ctxt, unsigned event)
+{
+ queue_work(driver->diag_wq, &(driver->diag_read_smd_work));
+}
+
+#if defined(CONFIG_MSM_N_WAY_SMD)
+static void diag_smd_qdsp_notify(void *ctxt, unsigned event)
+{
+ queue_work(driver->diag_wq, &(driver->diag_read_smd_qdsp_work));
+}
+#endif
+
+static void diag_smd_wcnss_notify(void *ctxt, unsigned event)
+{
+ queue_work(driver->diag_wq, &(driver->diag_read_smd_wcnss_work));
+}
+
+static int diag_smd_probe(struct platform_device *pdev)
+{
+ int r = 0;
+
+ if (pdev->id == SMD_APPS_MODEM)
+ r = smd_open("DIAG", &driver->ch, driver, diag_smd_notify);
+#if defined(CONFIG_MSM_N_WAY_SMD)
+ if (pdev->id == SMD_APPS_QDSP)
+ r = smd_named_open_on_edge("DIAG", SMD_APPS_QDSP
+ , &driver->chqdsp, driver, diag_smd_qdsp_notify);
+#endif
+ if (pdev->id == SMD_APPS_WCNSS)
+ r = smd_named_open_on_edge("APPS_RIVA_DATA", SMD_APPS_WCNSS
+ , &driver->ch_wcnss, driver, diag_smd_wcnss_notify);
+ pm_runtime_set_active(&pdev->dev);
+ pm_runtime_enable(&pdev->dev);
+ pr_debug("diag: open SMD port, Id = %d, r = %d\n", pdev->id, r);
+
+ return 0;
+}
+
+static int diagfwd_runtime_suspend(struct device *dev)
+{
+ dev_dbg(dev, "pm_runtime: suspending...\n");
+ return 0;
+}
+
+static int diagfwd_runtime_resume(struct device *dev)
+{
+ dev_dbg(dev, "pm_runtime: resuming...\n");
+ return 0;
+}
+
+static const struct dev_pm_ops diagfwd_dev_pm_ops = {
+ .runtime_suspend = diagfwd_runtime_suspend,
+ .runtime_resume = diagfwd_runtime_resume,
+};
+
+static struct platform_driver msm_smd_ch1_driver = {
+
+ .probe = diag_smd_probe,
+ .driver = {
+ .name = "DIAG",
+ .owner = THIS_MODULE,
+ .pm = &diagfwd_dev_pm_ops,
+ },
+};
+
+static struct platform_driver diag_smd_lite_driver = {
+
+ .probe = diag_smd_probe,
+ .driver = {
+ .name = "APPS_RIVA_DATA",
+ .owner = THIS_MODULE,
+ .pm = &diagfwd_dev_pm_ops,
+ },
+};
+
+void diagfwd_init(void)
+{
+ diag_debug_buf_idx = 0;
+ driver->read_len_legacy = 0;
+ if (driver->buf_in_1 == NULL) {
+ driver->buf_in_1 = kzalloc(IN_BUF_SIZE, GFP_KERNEL);
+ if (driver->buf_in_1 == NULL)
+ goto err;
+ }
+ if (driver->buf_in_2 == NULL) {
+ driver->buf_in_2 = kzalloc(IN_BUF_SIZE, GFP_KERNEL);
+ if (driver->buf_in_2 == NULL)
+ goto err;
+ }
+ if (driver->buf_in_qdsp_1 == NULL) {
+ driver->buf_in_qdsp_1 = kzalloc(IN_BUF_SIZE, GFP_KERNEL);
+ if (driver->buf_in_qdsp_1 == NULL)
+ goto err;
+ }
+ if (driver->buf_in_qdsp_2 == NULL) {
+ driver->buf_in_qdsp_2 = kzalloc(IN_BUF_SIZE, GFP_KERNEL);
+ if (driver->buf_in_qdsp_2 == NULL)
+ goto err;
+ }
+ if (driver->buf_in_wcnss == NULL) {
+ driver->buf_in_wcnss = kzalloc(IN_BUF_SIZE, GFP_KERNEL);
+ if (driver->buf_in_wcnss == NULL)
+ goto err;
+ }
+ if (driver->usb_buf_out == NULL &&
+ (driver->usb_buf_out = kzalloc(USB_MAX_OUT_BUF,
+ GFP_KERNEL)) == NULL)
+ goto err;
+ if (driver->hdlc_buf == NULL
+ && (driver->hdlc_buf = kzalloc(HDLC_MAX, GFP_KERNEL)) == NULL)
+ goto err;
+ if (driver->msg_masks == NULL
+ && (driver->msg_masks = kzalloc(MSG_MASK_SIZE,
+ GFP_KERNEL)) == NULL)
+ goto err;
+ if (driver->log_masks == NULL &&
+ (driver->log_masks = kzalloc(LOG_MASK_SIZE, GFP_KERNEL)) == NULL)
+ goto err;
+ driver->log_masks_length = 8*MAX_EQUIP_ID;
+ if (driver->event_masks == NULL &&
+ (driver->event_masks = kzalloc(EVENT_MASK_SIZE,
+ GFP_KERNEL)) == NULL)
+ goto err;
+ if (driver->client_map == NULL &&
+ (driver->client_map = kzalloc
+ ((driver->num_clients) * sizeof(struct diag_client_map),
+ GFP_KERNEL)) == NULL)
+ goto err;
+ if (driver->buf_tbl == NULL)
+ driver->buf_tbl = kzalloc(buf_tbl_size *
+ sizeof(struct diag_write_device), GFP_KERNEL);
+ if (driver->buf_tbl == NULL)
+ goto err;
+ if (driver->data_ready == NULL &&
+ (driver->data_ready = kzalloc(driver->num_clients * sizeof(int)
+ , GFP_KERNEL)) == NULL)
+ goto err;
+ if (driver->table == NULL &&
+ (driver->table = kzalloc(diag_max_registration*
+ sizeof(struct diag_master_table),
+ GFP_KERNEL)) == NULL)
+ goto err;
+ if (driver->write_ptr_1 == NULL) {
+ driver->write_ptr_1 = kzalloc(
+ sizeof(struct diag_request), GFP_KERNEL);
+ if (driver->write_ptr_1 == NULL)
+ goto err;
+ }
+ if (driver->write_ptr_2 == NULL) {
+ driver->write_ptr_2 = kzalloc(
+ sizeof(struct diag_request), GFP_KERNEL);
+ if (driver->write_ptr_2 == NULL)
+ goto err;
+ }
+ if (driver->write_ptr_qdsp_1 == NULL) {
+ driver->write_ptr_qdsp_1 = kzalloc(
+ sizeof(struct diag_request), GFP_KERNEL);
+ if (driver->write_ptr_qdsp_1 == NULL)
+ goto err;
+ }
+ if (driver->write_ptr_qdsp_2 == NULL) {
+ driver->write_ptr_qdsp_2 = kzalloc(
+ sizeof(struct diag_request), GFP_KERNEL);
+ if (driver->write_ptr_qdsp_2 == NULL)
+ goto err;
+ }
+ if (driver->write_ptr_wcnss == NULL) {
+ driver->write_ptr_wcnss = kzalloc(
+ sizeof(struct diag_request), GFP_KERNEL);
+ if (driver->write_ptr_wcnss == NULL)
+ goto err;
+ }
+ if (driver->usb_read_ptr == NULL) {
+ driver->usb_read_ptr = kzalloc(
+ sizeof(struct diag_request), GFP_KERNEL);
+ if (driver->usb_read_ptr == NULL)
+ goto err;
+ }
+ if (driver->pkt_buf == NULL &&
+ (driver->pkt_buf = kzalloc(PKT_SIZE,
+ GFP_KERNEL)) == NULL)
+ goto err;
+ if (driver->apps_rsp_buf == NULL) {
+ driver->apps_rsp_buf = kzalloc(500, GFP_KERNEL);
+ if (driver->apps_rsp_buf == NULL)
+ goto err;
+ }
+ driver->diag_wq = create_singlethread_workqueue("diag_wq");
+#ifdef CONFIG_DIAG_OVER_USB
+ INIT_WORK(&(driver->diag_proc_hdlc_work), diag_process_hdlc_fn);
+ INIT_WORK(&(driver->diag_read_work), diag_read_work_fn);
+ driver->legacy_ch = usb_diag_open(DIAG_LEGACY, driver,
+ diag_usb_legacy_notifier);
+ if (IS_ERR(driver->legacy_ch)) {
+ printk(KERN_ERR "Unable to open USB diag legacy channel\n");
+ goto err;
+ }
+#endif
+ platform_driver_register(&msm_smd_ch1_driver);
+ platform_driver_register(&diag_smd_lite_driver);
+
+ return;
+err:
+ pr_err("diag: Could not initialize diag buffers");
+ kfree(driver->buf_in_1);
+ kfree(driver->buf_in_2);
+ kfree(driver->buf_in_qdsp_1);
+ kfree(driver->buf_in_qdsp_2);
+ kfree(driver->buf_in_wcnss);
+ kfree(driver->usb_buf_out);
+ kfree(driver->hdlc_buf);
+ kfree(driver->msg_masks);
+ kfree(driver->log_masks);
+ kfree(driver->event_masks);
+ kfree(driver->client_map);
+ kfree(driver->buf_tbl);
+ kfree(driver->data_ready);
+ kfree(driver->table);
+ kfree(driver->pkt_buf);
+ kfree(driver->write_ptr_1);
+ kfree(driver->write_ptr_2);
+ kfree(driver->write_ptr_qdsp_1);
+ kfree(driver->write_ptr_qdsp_2);
+ kfree(driver->write_ptr_wcnss);
+ kfree(driver->usb_read_ptr);
+ kfree(driver->apps_rsp_buf);
+ if (driver->diag_wq)
+ destroy_workqueue(driver->diag_wq);
+}
+
+void diagfwd_exit(void)
+{
+ smd_close(driver->ch);
+ smd_close(driver->chqdsp);
+ smd_close(driver->ch_wcnss);
+ driver->ch = 0; /* SMD can make this NULL */
+ driver->chqdsp = 0;
+ driver->ch_wcnss = 0;
+#ifdef CONFIG_DIAG_OVER_USB
+ if (driver->usb_connected)
+ usb_diag_free_req(driver->legacy_ch);
+ usb_diag_close(driver->legacy_ch);
+#endif
+ platform_driver_unregister(&msm_smd_ch1_driver);
+ platform_driver_unregister(&diag_smd_lite_driver);
+ kfree(driver->buf_in_1);
+ kfree(driver->buf_in_2);
+ kfree(driver->buf_in_qdsp_1);
+ kfree(driver->buf_in_qdsp_2);
+ kfree(driver->buf_in_wcnss);
+ kfree(driver->usb_buf_out);
+ kfree(driver->hdlc_buf);
+ kfree(driver->msg_masks);
+ kfree(driver->log_masks);
+ kfree(driver->event_masks);
+ kfree(driver->client_map);
+ kfree(driver->buf_tbl);
+ kfree(driver->data_ready);
+ kfree(driver->table);
+ kfree(driver->pkt_buf);
+ kfree(driver->write_ptr_1);
+ kfree(driver->write_ptr_2);
+ kfree(driver->write_ptr_qdsp_1);
+ kfree(driver->write_ptr_qdsp_2);
+ kfree(driver->write_ptr_wcnss);
+ kfree(driver->usb_read_ptr);
+ kfree(driver->apps_rsp_buf);
+ destroy_workqueue(driver->diag_wq);
+}