Added missing tegra files.HEADmaster

1 files changed, 106 insertions, 0 deletions

diff --git a/drivers/usb/serial/baseband_usb_chr.h b/drivers/usb/serial/baseband_usb_chr.h
new file mode 100644
index 00000000000..7935e795a54
--- /dev/null
+++ b/drivers/usb/serial/baseband_usb_chr.h
@@ -0,0 +1,106 @@
+/*
+ * baseband_usb_chr.h
+ *
+ * USB character driver to communicate with baseband modems.
+ *
+ * Copyright (c) 2011, NVIDIA Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+#ifndef __BASEBAND_USB_CHR_H__
+#define __BASEBAND_USB_CHR_H__
+
+#define BASEBAND_USB_CHR_DEV_NAME               "baseband_usb_chr"
+#define BASEBAND_USB_CHR_DEV_MAJOR              66
+
+#ifndef USB_CHR_RX_BUFSIZ
+#define USB_CHR_RX_BUFSIZ                       (128*1024)
+#endif  /* USB_CHR_RX_BUFSIZ */
+
+#ifndef USB_CHR_TX_BUFSIZ
+#define USB_CHR_TX_BUFSIZ                       (128*1024)
+#endif  /* USB_CHR_TX_BUFSIZ */
+
+#ifndef USB_CHR_TIMEOUT
+#define USB_CHR_TIMEOUT                         5000 /* ms */
+#endif  /* USB_CHR_TIMEOUT */
+
+#ifndef BASEBAND_IPC_NUM_RX_BUF
+#define BASEBAND_IPC_NUM_RX_BUF                 32
+#endif  /* BASEBAND_IPC_NUM_RX_BUF */
+
+#ifndef BASEBAND_IPC_NUM_TX_BUF
+#define BASEBAND_IPC_NUM_TX_BUF                 16
+#endif  /* BASEBAND_IPC_NUM_TX_BUF */
+
+#ifndef BASEBAND_IPC_BUFSIZ
+#define BASEBAND_IPC_BUFSIZ                     65536
+#endif  /* BASEBAND_IPC_BUFSIZ */
+
+struct baseband_ipc {
+        /* rx / tx data */
+        struct semaphore buf_sem;
+        struct {
+                /* linked list of data buffers */
+                struct list_head buf;
+                /* wait queue of processes trying to access data buffers */
+                wait_queue_head_t wait;
+        } rx, tx, rx_free, tx_free;
+        unsigned char *ipc_rx;
+        unsigned char *ipc_tx;
+        /* work queue
+         * - queued per ipc transaction
+         * - initiated by either:
+         *   = interrupt on gpio line (rx data available)
+         *   = tx data packet being added to tx linked list
+         */
+        struct workqueue_struct *workqueue;
+        struct work_struct work;
+        struct work_struct rx_work;
+        struct work_struct tx_work;
+};
+
+struct baseband_ipc_buf {
+        struct list_head list;
+        /* data buffer */
+        unsigned char data[BASEBAND_IPC_BUFSIZ];
+        /* offset of first data byte */
+        size_t offset;
+        /* number of valid data bytes */
+        size_t count;
+};
+
+struct baseband_usb {
+        struct baseband_ipc *ipc;
+        struct {
+                struct usb_driver *driver;
+                struct usb_device *device;
+                struct usb_interface *interface;
+                struct {
+                        struct {
+                                unsigned int in;
+                                unsigned int out;
+                        } isoch, bulk, interrupt;
+                } pipe;
+                /* currently active rx urb */
+                struct urb *rx_urb;
+                /* currently active tx urb */
+                struct urb *tx_urb;
+        } usb;
+};
+
+#endif  /* __BASEBAND_USB_CHR_H__ */
+