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Diffstat (limited to 'drivers/staging/dream/smd/smd_qmi.c')
-rw-r--r--drivers/staging/dream/smd/smd_qmi.c855
1 files changed, 0 insertions, 855 deletions
diff --git a/drivers/staging/dream/smd/smd_qmi.c b/drivers/staging/dream/smd/smd_qmi.c
deleted file mode 100644
index 687db14..0000000
--- a/drivers/staging/dream/smd/smd_qmi.c
+++ /dev/null
@@ -1,855 +0,0 @@
-/* arch/arm/mach-msm/smd_qmi.c
- *
- * QMI Control Driver -- Manages network data connections.
- *
- * Copyright (C) 2007 Google, Inc.
- * Author: Brian Swetland <swetland@google.com>
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * 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/module.h>
-#include <linux/fs.h>
-#include <linux/cdev.h>
-#include <linux/device.h>
-#include <linux/sched.h>
-#include <linux/wait.h>
-#include <linux/miscdevice.h>
-#include <linux/workqueue.h>
-
-#include <asm/uaccess.h>
-#include <mach/msm_smd.h>
-
-#define QMI_CTL 0x00
-#define QMI_WDS 0x01
-#define QMI_DMS 0x02
-#define QMI_NAS 0x03
-
-#define QMI_RESULT_SUCCESS 0x0000
-#define QMI_RESULT_FAILURE 0x0001
-
-struct qmi_msg {
- unsigned char service;
- unsigned char client_id;
- unsigned short txn_id;
- unsigned short type;
- unsigned short size;
- unsigned char *tlv;
-};
-
-#define qmi_ctl_client_id 0
-
-#define STATE_OFFLINE 0
-#define STATE_QUERYING 1
-#define STATE_ONLINE 2
-
-struct qmi_ctxt {
- struct miscdevice misc;
-
- struct mutex lock;
-
- unsigned char ctl_txn_id;
- unsigned char wds_client_id;
- unsigned short wds_txn_id;
-
- unsigned wds_busy;
- unsigned wds_handle;
- unsigned state_dirty;
- unsigned state;
-
- unsigned char addr[4];
- unsigned char mask[4];
- unsigned char gateway[4];
- unsigned char dns1[4];
- unsigned char dns2[4];
-
- smd_channel_t *ch;
- const char *ch_name;
-
- struct work_struct open_work;
- struct work_struct read_work;
-};
-
-static struct qmi_ctxt *qmi_minor_to_ctxt(unsigned n);
-
-static void qmi_read_work(struct work_struct *ws);
-static void qmi_open_work(struct work_struct *work);
-
-void qmi_ctxt_init(struct qmi_ctxt *ctxt, unsigned n)
-{
- mutex_init(&ctxt->lock);
- INIT_WORK(&ctxt->read_work, qmi_read_work);
- INIT_WORK(&ctxt->open_work, qmi_open_work);
- ctxt->ctl_txn_id = 1;
- ctxt->wds_txn_id = 1;
- ctxt->wds_busy = 1;
- ctxt->state = STATE_OFFLINE;
-
-}
-
-static struct workqueue_struct *qmi_wq;
-
-static int verbose = 0;
-
-/* anyone waiting for a state change waits here */
-static DECLARE_WAIT_QUEUE_HEAD(qmi_wait_queue);
-
-
-static void qmi_dump_msg(struct qmi_msg *msg, const char *prefix)
-{
- unsigned sz, n;
- unsigned char *x;
-
- if (!verbose)
- return;
-
- printk(KERN_INFO
- "qmi: %s: svc=%02x cid=%02x tid=%04x type=%04x size=%04x\n",
- prefix, msg->service, msg->client_id,
- msg->txn_id, msg->type, msg->size);
-
- x = msg->tlv;
- sz = msg->size;
-
- while (sz >= 3) {
- sz -= 3;
-
- n = x[1] | (x[2] << 8);
- if (n > sz)
- break;
-
- printk(KERN_INFO "qmi: %s: tlv: %02x %04x { ",
- prefix, x[0], n);
- x += 3;
- sz -= n;
- while (n-- > 0)
- printk("%02x ", *x++);
- printk("}\n");
- }
-}
-
-int qmi_add_tlv(struct qmi_msg *msg,
- unsigned type, unsigned size, const void *data)
-{
- unsigned char *x = msg->tlv + msg->size;
-
- x[0] = type;
- x[1] = size;
- x[2] = size >> 8;
-
- memcpy(x + 3, data, size);
-
- msg->size += (size + 3);
-
- return 0;
-}
-
-/* Extract a tagged item from a qmi message buffer,
-** taking care not to overrun the buffer.
-*/
-static int qmi_get_tlv(struct qmi_msg *msg,
- unsigned type, unsigned size, void *data)
-{
- unsigned char *x = msg->tlv;
- unsigned len = msg->size;
- unsigned n;
-
- while (len >= 3) {
- len -= 3;
-
- /* size of this item */
- n = x[1] | (x[2] << 8);
- if (n > len)
- break;
-
- if (x[0] == type) {
- if (n != size)
- return -1;
- memcpy(data, x + 3, size);
- return 0;
- }
-
- x += (n + 3);
- len -= n;
- }
-
- return -1;
-}
-
-static unsigned qmi_get_status(struct qmi_msg *msg, unsigned *error)
-{
- unsigned short status[2];
- if (qmi_get_tlv(msg, 0x02, sizeof(status), status)) {
- *error = 0;
- return QMI_RESULT_FAILURE;
- } else {
- *error = status[1];
- return status[0];
- }
-}
-
-/* 0x01 <qmux-header> <payload> */
-#define QMUX_HEADER 13
-
-/* should be >= HEADER + FOOTER */
-#define QMUX_OVERHEAD 16
-
-static int qmi_send(struct qmi_ctxt *ctxt, struct qmi_msg *msg)
-{
- unsigned char *data;
- unsigned hlen;
- unsigned len;
- int r;
-
- qmi_dump_msg(msg, "send");
-
- if (msg->service == QMI_CTL) {
- hlen = QMUX_HEADER - 1;
- } else {
- hlen = QMUX_HEADER;
- }
-
- /* QMUX length is total header + total payload - IFC selector */
- len = hlen + msg->size - 1;
- if (len > 0xffff)
- return -1;
-
- data = msg->tlv - hlen;
-
- /* prepend encap and qmux header */
- *data++ = 0x01; /* ifc selector */
-
- /* qmux header */
- *data++ = len;
- *data++ = len >> 8;
- *data++ = 0x00; /* flags: client */
- *data++ = msg->service;
- *data++ = msg->client_id;
-
- /* qmi header */
- *data++ = 0x00; /* flags: send */
- *data++ = msg->txn_id;
- if (msg->service != QMI_CTL)
- *data++ = msg->txn_id >> 8;
-
- *data++ = msg->type;
- *data++ = msg->type >> 8;
- *data++ = msg->size;
- *data++ = msg->size >> 8;
-
- /* len + 1 takes the interface selector into account */
- r = smd_write(ctxt->ch, msg->tlv - hlen, len + 1);
-
- if (r != len) {
- return -1;
- } else {
- return 0;
- }
-}
-
-static void qmi_process_ctl_msg(struct qmi_ctxt *ctxt, struct qmi_msg *msg)
-{
- unsigned err;
- if (msg->type == 0x0022) {
- unsigned char n[2];
- if (qmi_get_status(msg, &err))
- return;
- if (qmi_get_tlv(msg, 0x01, sizeof(n), n))
- return;
- if (n[0] == QMI_WDS) {
- printk(KERN_INFO
- "qmi: ctl: wds use client_id 0x%02x\n", n[1]);
- ctxt->wds_client_id = n[1];
- ctxt->wds_busy = 0;
- }
- }
-}
-
-static int qmi_network_get_profile(struct qmi_ctxt *ctxt);
-
-static void swapaddr(unsigned char *src, unsigned char *dst)
-{
- dst[0] = src[3];
- dst[1] = src[2];
- dst[2] = src[1];
- dst[3] = src[0];
-}
-
-static unsigned char zero[4];
-static void qmi_read_runtime_profile(struct qmi_ctxt *ctxt, struct qmi_msg *msg)
-{
- unsigned char tmp[4];
- unsigned r;
-
- r = qmi_get_tlv(msg, 0x1e, 4, tmp);
- swapaddr(r ? zero : tmp, ctxt->addr);
- r = qmi_get_tlv(msg, 0x21, 4, tmp);
- swapaddr(r ? zero : tmp, ctxt->mask);
- r = qmi_get_tlv(msg, 0x20, 4, tmp);
- swapaddr(r ? zero : tmp, ctxt->gateway);
- r = qmi_get_tlv(msg, 0x15, 4, tmp);
- swapaddr(r ? zero : tmp, ctxt->dns1);
- r = qmi_get_tlv(msg, 0x16, 4, tmp);
- swapaddr(r ? zero : tmp, ctxt->dns2);
-}
-
-static void qmi_process_unicast_wds_msg(struct qmi_ctxt *ctxt,
- struct qmi_msg *msg)
-{
- unsigned err;
- switch (msg->type) {
- case 0x0021:
- if (qmi_get_status(msg, &err)) {
- printk(KERN_ERR
- "qmi: wds: network stop failed (%04x)\n", err);
- } else {
- printk(KERN_INFO
- "qmi: wds: network stopped\n");
- ctxt->state = STATE_OFFLINE;
- ctxt->state_dirty = 1;
- }
- break;
- case 0x0020:
- if (qmi_get_status(msg, &err)) {
- printk(KERN_ERR
- "qmi: wds: network start failed (%04x)\n", err);
- } else if (qmi_get_tlv(msg, 0x01, sizeof(ctxt->wds_handle), &ctxt->wds_handle)) {
- printk(KERN_INFO
- "qmi: wds no handle?\n");
- } else {
- printk(KERN_INFO
- "qmi: wds: got handle 0x%08x\n",
- ctxt->wds_handle);
- }
- break;
- case 0x002D:
- printk("qmi: got network profile\n");
- if (ctxt->state == STATE_QUERYING) {
- qmi_read_runtime_profile(ctxt, msg);
- ctxt->state = STATE_ONLINE;
- ctxt->state_dirty = 1;
- }
- break;
- default:
- printk(KERN_ERR "qmi: unknown msg type 0x%04x\n", msg->type);
- }
- ctxt->wds_busy = 0;
-}
-
-static void qmi_process_broadcast_wds_msg(struct qmi_ctxt *ctxt,
- struct qmi_msg *msg)
-{
- if (msg->type == 0x0022) {
- unsigned char n[2];
- if (qmi_get_tlv(msg, 0x01, sizeof(n), n))
- return;
- switch (n[0]) {
- case 1:
- printk(KERN_INFO "qmi: wds: DISCONNECTED\n");
- ctxt->state = STATE_OFFLINE;
- ctxt->state_dirty = 1;
- break;
- case 2:
- printk(KERN_INFO "qmi: wds: CONNECTED\n");
- ctxt->state = STATE_QUERYING;
- ctxt->state_dirty = 1;
- qmi_network_get_profile(ctxt);
- break;
- case 3:
- printk(KERN_INFO "qmi: wds: SUSPENDED\n");
- ctxt->state = STATE_OFFLINE;
- ctxt->state_dirty = 1;
- }
- } else {
- printk(KERN_ERR "qmi: unknown bcast msg type 0x%04x\n", msg->type);
- }
-}
-
-static void qmi_process_wds_msg(struct qmi_ctxt *ctxt,
- struct qmi_msg *msg)
-{
- printk("wds: %04x @ %02x\n", msg->type, msg->client_id);
- if (msg->client_id == ctxt->wds_client_id) {
- qmi_process_unicast_wds_msg(ctxt, msg);
- } else if (msg->client_id == 0xff) {
- qmi_process_broadcast_wds_msg(ctxt, msg);
- } else {
- printk(KERN_ERR
- "qmi_process_wds_msg client id 0x%02x unknown\n",
- msg->client_id);
- }
-}
-
-static void qmi_process_qmux(struct qmi_ctxt *ctxt,
- unsigned char *buf, unsigned sz)
-{
- struct qmi_msg msg;
-
- /* require a full header */
- if (sz < 5)
- return;
-
- /* require a size that matches the buffer size */
- if (sz != (buf[0] | (buf[1] << 8)))
- return;
-
- /* only messages from a service (bit7=1) are allowed */
- if (buf[2] != 0x80)
- return;
-
- msg.service = buf[3];
- msg.client_id = buf[4];
-
- /* annoyingly, CTL messages have a shorter TID */
- if (buf[3] == 0) {
- if (sz < 7)
- return;
- msg.txn_id = buf[6];
- buf += 7;
- sz -= 7;
- } else {
- if (sz < 8)
- return;
- msg.txn_id = buf[6] | (buf[7] << 8);
- buf += 8;
- sz -= 8;
- }
-
- /* no type and size!? */
- if (sz < 4)
- return;
- sz -= 4;
-
- msg.type = buf[0] | (buf[1] << 8);
- msg.size = buf[2] | (buf[3] << 8);
- msg.tlv = buf + 4;
-
- if (sz != msg.size)
- return;
-
- qmi_dump_msg(&msg, "recv");
-
- mutex_lock(&ctxt->lock);
- switch (msg.service) {
- case QMI_CTL:
- qmi_process_ctl_msg(ctxt, &msg);
- break;
- case QMI_WDS:
- qmi_process_wds_msg(ctxt, &msg);
- break;
- default:
- printk(KERN_ERR "qmi: msg from unknown svc 0x%02x\n",
- msg.service);
- break;
- }
- mutex_unlock(&ctxt->lock);
- wake_up(&qmi_wait_queue);
-}
-
-#define QMI_MAX_PACKET (256 + QMUX_OVERHEAD)
-
-static void qmi_read_work(struct work_struct *ws)
-{
- struct qmi_ctxt *ctxt = container_of(ws, struct qmi_ctxt, read_work);
- struct smd_channel *ch = ctxt->ch;
- unsigned char buf[QMI_MAX_PACKET];
- int sz;
-
- for (;;) {
- sz = smd_cur_packet_size(ch);
- if (sz == 0)
- break;
- if (sz < smd_read_avail(ch))
- break;
- if (sz > QMI_MAX_PACKET) {
- smd_read(ch, 0, sz);
- continue;
- }
- if (smd_read(ch, buf, sz) != sz) {
- printk(KERN_ERR "qmi: not enough data?!\n");
- continue;
- }
-
- /* interface selector must be 1 */
- if (buf[0] != 0x01)
- continue;
-
- qmi_process_qmux(ctxt, buf + 1, sz - 1);
- }
-}
-
-static int qmi_request_wds_cid(struct qmi_ctxt *ctxt);
-
-static void qmi_open_work(struct work_struct *ws)
-{
- struct qmi_ctxt *ctxt = container_of(ws, struct qmi_ctxt, open_work);
- mutex_lock(&ctxt->lock);
- qmi_request_wds_cid(ctxt);
- mutex_unlock(&ctxt->lock);
-}
-
-static void qmi_notify(void *priv, unsigned event)
-{
- struct qmi_ctxt *ctxt = priv;
-
- switch (event) {
- case SMD_EVENT_DATA: {
- int sz;
- sz = smd_cur_packet_size(ctxt->ch);
- if ((sz > 0) && (sz <= smd_read_avail(ctxt->ch))) {
- queue_work(qmi_wq, &ctxt->read_work);
- }
- break;
- }
- case SMD_EVENT_OPEN:
- printk(KERN_INFO "qmi: smd opened\n");
- queue_work(qmi_wq, &ctxt->open_work);
- break;
- case SMD_EVENT_CLOSE:
- printk(KERN_INFO "qmi: smd closed\n");
- break;
- }
-}
-
-static int qmi_request_wds_cid(struct qmi_ctxt *ctxt)
-{
- unsigned char data[64 + QMUX_OVERHEAD];
- struct qmi_msg msg;
- unsigned char n;
-
- msg.service = QMI_CTL;
- msg.client_id = qmi_ctl_client_id;
- msg.txn_id = ctxt->ctl_txn_id;
- msg.type = 0x0022;
- msg.size = 0;
- msg.tlv = data + QMUX_HEADER;
-
- ctxt->ctl_txn_id += 2;
-
- n = QMI_WDS;
- qmi_add_tlv(&msg, 0x01, 0x01, &n);
-
- return qmi_send(ctxt, &msg);
-}
-
-static int qmi_network_get_profile(struct qmi_ctxt *ctxt)
-{
- unsigned char data[96 + QMUX_OVERHEAD];
- struct qmi_msg msg;
-
- msg.service = QMI_WDS;
- msg.client_id = ctxt->wds_client_id;
- msg.txn_id = ctxt->wds_txn_id;
- msg.type = 0x002D;
- msg.size = 0;
- msg.tlv = data + QMUX_HEADER;
-
- ctxt->wds_txn_id += 2;
-
- return qmi_send(ctxt, &msg);
-}
-
-static int qmi_network_up(struct qmi_ctxt *ctxt, char *apn)
-{
- unsigned char data[96 + QMUX_OVERHEAD];
- struct qmi_msg msg;
- char *auth_type;
- char *user;
- char *pass;
-
- for (user = apn; *user; user++) {
- if (*user == ' ') {
- *user++ = 0;
- break;
- }
- }
- for (pass = user; *pass; pass++) {
- if (*pass == ' ') {
- *pass++ = 0;
- break;
- }
- }
-
- for (auth_type = pass; *auth_type; auth_type++) {
- if (*auth_type == ' ') {
- *auth_type++ = 0;
- break;
- }
- }
-
- msg.service = QMI_WDS;
- msg.client_id = ctxt->wds_client_id;
- msg.txn_id = ctxt->wds_txn_id;
- msg.type = 0x0020;
- msg.size = 0;
- msg.tlv = data + QMUX_HEADER;
-
- ctxt->wds_txn_id += 2;
-
- qmi_add_tlv(&msg, 0x14, strlen(apn), apn);
- if (*auth_type)
- qmi_add_tlv(&msg, 0x16, strlen(auth_type), auth_type);
- if (*user) {
- if (!*auth_type) {
- unsigned char x;
- x = 3;
- qmi_add_tlv(&msg, 0x16, 1, &x);
- }
- qmi_add_tlv(&msg, 0x17, strlen(user), user);
- if (*pass)
- qmi_add_tlv(&msg, 0x18, strlen(pass), pass);
- }
- return qmi_send(ctxt, &msg);
-}
-
-static int qmi_network_down(struct qmi_ctxt *ctxt)
-{
- unsigned char data[16 + QMUX_OVERHEAD];
- struct qmi_msg msg;
-
- msg.service = QMI_WDS;
- msg.client_id = ctxt->wds_client_id;
- msg.txn_id = ctxt->wds_txn_id;
- msg.type = 0x0021;
- msg.size = 0;
- msg.tlv = data + QMUX_HEADER;
-
- ctxt->wds_txn_id += 2;
-
- qmi_add_tlv(&msg, 0x01, sizeof(ctxt->wds_handle), &ctxt->wds_handle);
-
- return qmi_send(ctxt, &msg);
-}
-
-static int qmi_print_state(struct qmi_ctxt *ctxt, char *buf, int max)
-{
- int i;
- char *statename;
-
- if (ctxt->state == STATE_ONLINE) {
- statename = "up";
- } else if (ctxt->state == STATE_OFFLINE) {
- statename = "down";
- } else {
- statename = "busy";
- }
-
- i = scnprintf(buf, max, "STATE=%s\n", statename);
- i += scnprintf(buf + i, max - i, "CID=%d\n",ctxt->wds_client_id);
-
- if (ctxt->state != STATE_ONLINE){
- return i;
- }
-
- i += scnprintf(buf + i, max - i, "ADDR=%d.%d.%d.%d\n",
- ctxt->addr[0], ctxt->addr[1], ctxt->addr[2], ctxt->addr[3]);
- i += scnprintf(buf + i, max - i, "MASK=%d.%d.%d.%d\n",
- ctxt->mask[0], ctxt->mask[1], ctxt->mask[2], ctxt->mask[3]);
- i += scnprintf(buf + i, max - i, "GATEWAY=%d.%d.%d.%d\n",
- ctxt->gateway[0], ctxt->gateway[1], ctxt->gateway[2],
- ctxt->gateway[3]);
- i += scnprintf(buf + i, max - i, "DNS1=%d.%d.%d.%d\n",
- ctxt->dns1[0], ctxt->dns1[1], ctxt->dns1[2], ctxt->dns1[3]);
- i += scnprintf(buf + i, max - i, "DNS2=%d.%d.%d.%d\n",
- ctxt->dns2[0], ctxt->dns2[1], ctxt->dns2[2], ctxt->dns2[3]);
-
- return i;
-}
-
-static ssize_t qmi_read(struct file *fp, char __user *buf,
- size_t count, loff_t *pos)
-{
- struct qmi_ctxt *ctxt = fp->private_data;
- char msg[256];
- int len;
- int r;
-
- mutex_lock(&ctxt->lock);
- for (;;) {
- if (ctxt->state_dirty) {
- ctxt->state_dirty = 0;
- len = qmi_print_state(ctxt, msg, 256);
- break;
- }
- mutex_unlock(&ctxt->lock);
- r = wait_event_interruptible(qmi_wait_queue, ctxt->state_dirty);
- if (r < 0)
- return r;
- mutex_lock(&ctxt->lock);
- }
- mutex_unlock(&ctxt->lock);
-
- if (len > count)
- len = count;
-
- if (copy_to_user(buf, msg, len))
- return -EFAULT;
-
- return len;
-}
-
-
-static ssize_t qmi_write(struct file *fp, const char __user *buf,
- size_t count, loff_t *pos)
-{
- struct qmi_ctxt *ctxt = fp->private_data;
- unsigned char cmd[64];
- int len;
- int r;
-
- if (count < 1)
- return 0;
-
- len = count > 63 ? 63 : count;
-
- if (copy_from_user(cmd, buf, len))
- return -EFAULT;
-
- cmd[len] = 0;
-
- /* lazy */
- if (cmd[len-1] == '\n') {
- cmd[len-1] = 0;
- len--;
- }
-
- if (!strncmp(cmd, "verbose", 7)) {
- verbose = 1;
- } else if (!strncmp(cmd, "terse", 5)) {
- verbose = 0;
- } else if (!strncmp(cmd, "poll", 4)) {
- ctxt->state_dirty = 1;
- wake_up(&qmi_wait_queue);
- } else if (!strncmp(cmd, "down", 4)) {
-retry_down:
- mutex_lock(&ctxt->lock);
- if (ctxt->wds_busy) {
- mutex_unlock(&ctxt->lock);
- r = wait_event_interruptible(qmi_wait_queue, !ctxt->wds_busy);
- if (r < 0)
- return r;
- goto retry_down;
- }
- ctxt->wds_busy = 1;
- qmi_network_down(ctxt);
- mutex_unlock(&ctxt->lock);
- } else if (!strncmp(cmd, "up:", 3)) {
-retry_up:
- mutex_lock(&ctxt->lock);
- if (ctxt->wds_busy) {
- mutex_unlock(&ctxt->lock);
- r = wait_event_interruptible(qmi_wait_queue, !ctxt->wds_busy);
- if (r < 0)
- return r;
- goto retry_up;
- }
- ctxt->wds_busy = 1;
- qmi_network_up(ctxt, cmd+3);
- mutex_unlock(&ctxt->lock);
- } else {
- return -EINVAL;
- }
-
- return count;
-}
-
-static int qmi_open(struct inode *ip, struct file *fp)
-{
- struct qmi_ctxt *ctxt = qmi_minor_to_ctxt(MINOR(ip->i_rdev));
- int r = 0;
-
- if (!ctxt) {
- printk(KERN_ERR "unknown qmi misc %d\n", MINOR(ip->i_rdev));
- return -ENODEV;
- }
-
- fp->private_data = ctxt;
-
- mutex_lock(&ctxt->lock);
- if (ctxt->ch == 0)
- r = smd_open(ctxt->ch_name, &ctxt->ch, ctxt, qmi_notify);
- if (r == 0)
- wake_up(&qmi_wait_queue);
- mutex_unlock(&ctxt->lock);
-
- return r;
-}
-
-static int qmi_release(struct inode *ip, struct file *fp)
-{
- return 0;
-}
-
-static struct file_operations qmi_fops = {
- .owner = THIS_MODULE,
- .read = qmi_read,
- .write = qmi_write,
- .open = qmi_open,
- .release = qmi_release,
-};
-
-static struct qmi_ctxt qmi_device0 = {
- .ch_name = "SMD_DATA5_CNTL",
- .misc = {
- .minor = MISC_DYNAMIC_MINOR,
- .name = "qmi0",
- .fops = &qmi_fops,
- }
-};
-static struct qmi_ctxt qmi_device1 = {
- .ch_name = "SMD_DATA6_CNTL",
- .misc = {
- .minor = MISC_DYNAMIC_MINOR,
- .name = "qmi1",
- .fops = &qmi_fops,
- }
-};
-static struct qmi_ctxt qmi_device2 = {
- .ch_name = "SMD_DATA7_CNTL",
- .misc = {
- .minor = MISC_DYNAMIC_MINOR,
- .name = "qmi2",
- .fops = &qmi_fops,
- }
-};
-
-static struct qmi_ctxt *qmi_minor_to_ctxt(unsigned n)
-{
- if (n == qmi_device0.misc.minor)
- return &qmi_device0;
- if (n == qmi_device1.misc.minor)
- return &qmi_device1;
- if (n == qmi_device2.misc.minor)
- return &qmi_device2;
- return 0;
-}
-
-static int __init qmi_init(void)
-{
- int ret;
-
- qmi_wq = create_singlethread_workqueue("qmi");
- if (qmi_wq == 0)
- return -ENOMEM;
-
- qmi_ctxt_init(&qmi_device0, 0);
- qmi_ctxt_init(&qmi_device1, 1);
- qmi_ctxt_init(&qmi_device2, 2);
-
- ret = misc_register(&qmi_device0.misc);
- if (ret == 0)
- ret = misc_register(&qmi_device1.misc);
- if (ret == 0)
- ret = misc_register(&qmi_device2.misc);
- return ret;
-}
-
-module_init(qmi_init);
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