1dad0d04fSFariya Fatima /** 2dad0d04fSFariya Fatima * Copyright (c) 2014 Redpine Signals Inc. 3dad0d04fSFariya Fatima * 4dad0d04fSFariya Fatima * Permission to use, copy, modify, and/or distribute this software for any 5dad0d04fSFariya Fatima * purpose with or without fee is hereby granted, provided that the above 6dad0d04fSFariya Fatima * copyright notice and this permission notice appear in all copies. 7dad0d04fSFariya Fatima * 8dad0d04fSFariya Fatima * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9dad0d04fSFariya Fatima * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10dad0d04fSFariya Fatima * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 11dad0d04fSFariya Fatima * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12dad0d04fSFariya Fatima * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 13dad0d04fSFariya Fatima * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 14dad0d04fSFariya Fatima * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15dad0d04fSFariya Fatima * 16dad0d04fSFariya Fatima */ 17dad0d04fSFariya Fatima 18dad0d04fSFariya Fatima #include <linux/module.h> 19dad0d04fSFariya Fatima #include "rsi_usb.h" 20b78e91bcSPrameela Rani Garnepudi #include "rsi_hal.h" 21dad0d04fSFariya Fatima 22dad0d04fSFariya Fatima /** 23dad0d04fSFariya Fatima * rsi_usb_card_write() - This function writes to the USB Card. 24dad0d04fSFariya Fatima * @adapter: Pointer to the adapter structure. 25dad0d04fSFariya Fatima * @buf: Pointer to the buffer from where the data has to be taken. 26dad0d04fSFariya Fatima * @len: Length to be written. 27dad0d04fSFariya Fatima * @endpoint: Type of endpoint. 28dad0d04fSFariya Fatima * 2950591c60SAlexey Khoroshilov * Return: status: 0 on success, a negative error code on failure. 30dad0d04fSFariya Fatima */ 31dad0d04fSFariya Fatima static int rsi_usb_card_write(struct rsi_hw *adapter, 32dad0d04fSFariya Fatima void *buf, 33dad0d04fSFariya Fatima u16 len, 34dad0d04fSFariya Fatima u8 endpoint) 35dad0d04fSFariya Fatima { 36dad0d04fSFariya Fatima struct rsi_91x_usbdev *dev = (struct rsi_91x_usbdev *)adapter->rsi_dev; 37dad0d04fSFariya Fatima int status; 38dad0d04fSFariya Fatima s32 transfer; 39dad0d04fSFariya Fatima 40dad0d04fSFariya Fatima status = usb_bulk_msg(dev->usbdev, 41dad0d04fSFariya Fatima usb_sndbulkpipe(dev->usbdev, 42dad0d04fSFariya Fatima dev->bulkout_endpoint_addr[endpoint - 1]), 43dad0d04fSFariya Fatima buf, 44dad0d04fSFariya Fatima len, 45dad0d04fSFariya Fatima &transfer, 46dad0d04fSFariya Fatima HZ * 5); 47dad0d04fSFariya Fatima 48dad0d04fSFariya Fatima if (status < 0) { 49dad0d04fSFariya Fatima rsi_dbg(ERR_ZONE, 50dad0d04fSFariya Fatima "Card write failed with error code :%10d\n", status); 51dad0d04fSFariya Fatima dev->write_fail = 1; 52dad0d04fSFariya Fatima } 53dad0d04fSFariya Fatima return status; 54dad0d04fSFariya Fatima } 55dad0d04fSFariya Fatima 56dad0d04fSFariya Fatima /** 57dad0d04fSFariya Fatima * rsi_write_multiple() - This function writes multiple bytes of information 58dad0d04fSFariya Fatima * to the USB card. 59dad0d04fSFariya Fatima * @adapter: Pointer to the adapter structure. 60dad0d04fSFariya Fatima * @addr: Address of the register. 61dad0d04fSFariya Fatima * @data: Pointer to the data that has to be written. 62dad0d04fSFariya Fatima * @count: Number of multiple bytes to be written. 63dad0d04fSFariya Fatima * 6450591c60SAlexey Khoroshilov * Return: 0 on success, a negative error code on failure. 65dad0d04fSFariya Fatima */ 66dad0d04fSFariya Fatima static int rsi_write_multiple(struct rsi_hw *adapter, 67dad0d04fSFariya Fatima u8 endpoint, 68dad0d04fSFariya Fatima u8 *data, 69dad0d04fSFariya Fatima u32 count) 70dad0d04fSFariya Fatima { 71dad0d04fSFariya Fatima struct rsi_91x_usbdev *dev = (struct rsi_91x_usbdev *)adapter->rsi_dev; 72dad0d04fSFariya Fatima u8 *seg = dev->tx_buffer; 73dad0d04fSFariya Fatima 74dad0d04fSFariya Fatima if (dev->write_fail) 75dad0d04fSFariya Fatima return 0; 76dad0d04fSFariya Fatima 77dad0d04fSFariya Fatima if (endpoint == MGMT_EP) { 78dad0d04fSFariya Fatima memset(seg, 0, RSI_USB_TX_HEAD_ROOM); 79dad0d04fSFariya Fatima memcpy(seg + RSI_USB_TX_HEAD_ROOM, data, count); 80dad0d04fSFariya Fatima } else { 81dad0d04fSFariya Fatima seg = ((u8 *)data - RSI_USB_TX_HEAD_ROOM); 82dad0d04fSFariya Fatima } 83dad0d04fSFariya Fatima 84dad0d04fSFariya Fatima return rsi_usb_card_write(adapter, 85dad0d04fSFariya Fatima seg, 86dad0d04fSFariya Fatima count + RSI_USB_TX_HEAD_ROOM, 87dad0d04fSFariya Fatima endpoint); 88dad0d04fSFariya Fatima } 89dad0d04fSFariya Fatima 90dad0d04fSFariya Fatima /** 91dad0d04fSFariya Fatima * rsi_find_bulk_in_and_out_endpoints() - This function initializes the bulk 92dad0d04fSFariya Fatima * endpoints to the device. 93dad0d04fSFariya Fatima * @interface: Pointer to the USB interface structure. 94dad0d04fSFariya Fatima * @adapter: Pointer to the adapter structure. 95dad0d04fSFariya Fatima * 96dad0d04fSFariya Fatima * Return: ret_val: 0 on success, -ENOMEM on failure. 97dad0d04fSFariya Fatima */ 98dad0d04fSFariya Fatima static int rsi_find_bulk_in_and_out_endpoints(struct usb_interface *interface, 99dad0d04fSFariya Fatima struct rsi_hw *adapter) 100dad0d04fSFariya Fatima { 101dad0d04fSFariya Fatima struct rsi_91x_usbdev *dev = (struct rsi_91x_usbdev *)adapter->rsi_dev; 102dad0d04fSFariya Fatima struct usb_host_interface *iface_desc; 103dad0d04fSFariya Fatima struct usb_endpoint_descriptor *endpoint; 104dad0d04fSFariya Fatima __le16 buffer_size; 105dad0d04fSFariya Fatima int ii, bep_found = 0; 106dad0d04fSFariya Fatima 107dad0d04fSFariya Fatima iface_desc = &(interface->altsetting[0]); 108dad0d04fSFariya Fatima 109dad0d04fSFariya Fatima for (ii = 0; ii < iface_desc->desc.bNumEndpoints; ++ii) { 110dad0d04fSFariya Fatima endpoint = &(iface_desc->endpoint[ii].desc); 111dad0d04fSFariya Fatima 112dad0d04fSFariya Fatima if ((!(dev->bulkin_endpoint_addr)) && 113dad0d04fSFariya Fatima (endpoint->bEndpointAddress & USB_DIR_IN) && 114dad0d04fSFariya Fatima ((endpoint->bmAttributes & 115dad0d04fSFariya Fatima USB_ENDPOINT_XFERTYPE_MASK) == 116dad0d04fSFariya Fatima USB_ENDPOINT_XFER_BULK)) { 117dad0d04fSFariya Fatima buffer_size = endpoint->wMaxPacketSize; 118dad0d04fSFariya Fatima dev->bulkin_size = buffer_size; 119dad0d04fSFariya Fatima dev->bulkin_endpoint_addr = 120dad0d04fSFariya Fatima endpoint->bEndpointAddress; 121dad0d04fSFariya Fatima } 122dad0d04fSFariya Fatima 123dad0d04fSFariya Fatima if (!dev->bulkout_endpoint_addr[bep_found] && 124dad0d04fSFariya Fatima !(endpoint->bEndpointAddress & USB_DIR_IN) && 125dad0d04fSFariya Fatima ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == 126dad0d04fSFariya Fatima USB_ENDPOINT_XFER_BULK)) { 127dad0d04fSFariya Fatima dev->bulkout_endpoint_addr[bep_found] = 128dad0d04fSFariya Fatima endpoint->bEndpointAddress; 129dad0d04fSFariya Fatima buffer_size = endpoint->wMaxPacketSize; 130dad0d04fSFariya Fatima dev->bulkout_size[bep_found] = buffer_size; 131dad0d04fSFariya Fatima bep_found++; 132dad0d04fSFariya Fatima } 133dad0d04fSFariya Fatima 134dad0d04fSFariya Fatima if (bep_found >= MAX_BULK_EP) 135dad0d04fSFariya Fatima break; 136dad0d04fSFariya Fatima } 137dad0d04fSFariya Fatima 138dad0d04fSFariya Fatima if (!(dev->bulkin_endpoint_addr) && 139dad0d04fSFariya Fatima (dev->bulkout_endpoint_addr[0])) 140dad0d04fSFariya Fatima return -EINVAL; 141dad0d04fSFariya Fatima 142dad0d04fSFariya Fatima return 0; 143dad0d04fSFariya Fatima } 144dad0d04fSFariya Fatima 1454b1fc881SPrameela Rani Garnepudi #define RSI_USB_REQ_OUT (USB_TYPE_VENDOR | USB_DIR_OUT | USB_RECIP_DEVICE) 1464b1fc881SPrameela Rani Garnepudi #define RSI_USB_REQ_IN (USB_TYPE_VENDOR | USB_DIR_IN | USB_RECIP_DEVICE) 1474b1fc881SPrameela Rani Garnepudi 148dad0d04fSFariya Fatima /* rsi_usb_reg_read() - This function reads data from given register address. 149dad0d04fSFariya Fatima * @usbdev: Pointer to the usb_device structure. 150dad0d04fSFariya Fatima * @reg: Address of the register to be read. 151dad0d04fSFariya Fatima * @value: Value to be read. 152dad0d04fSFariya Fatima * @len: length of data to be read. 153dad0d04fSFariya Fatima * 15450591c60SAlexey Khoroshilov * Return: status: 0 on success, a negative error code on failure. 155dad0d04fSFariya Fatima */ 156dad0d04fSFariya Fatima static int rsi_usb_reg_read(struct usb_device *usbdev, 157dad0d04fSFariya Fatima u32 reg, 158dad0d04fSFariya Fatima u16 *value, 159dad0d04fSFariya Fatima u16 len) 160dad0d04fSFariya Fatima { 161d453ba81SFariya Fatima u8 *buf; 162d453ba81SFariya Fatima int status = -ENOMEM; 163d453ba81SFariya Fatima 164d453ba81SFariya Fatima buf = kmalloc(0x04, GFP_KERNEL); 165d453ba81SFariya Fatima if (!buf) 166d453ba81SFariya Fatima return status; 167dad0d04fSFariya Fatima 168dad0d04fSFariya Fatima status = usb_control_msg(usbdev, 169dad0d04fSFariya Fatima usb_rcvctrlpipe(usbdev, 0), 170dad0d04fSFariya Fatima USB_VENDOR_REGISTER_READ, 1714b1fc881SPrameela Rani Garnepudi RSI_USB_REQ_IN, 172dad0d04fSFariya Fatima ((reg & 0xffff0000) >> 16), (reg & 0xffff), 173d453ba81SFariya Fatima (void *)buf, 174dad0d04fSFariya Fatima len, 1754b1fc881SPrameela Rani Garnepudi USB_CTRL_GET_TIMEOUT); 176dad0d04fSFariya Fatima 177d453ba81SFariya Fatima *value = (buf[0] | (buf[1] << 8)); 178dad0d04fSFariya Fatima if (status < 0) { 179dad0d04fSFariya Fatima rsi_dbg(ERR_ZONE, 180dad0d04fSFariya Fatima "%s: Reg read failed with error code :%d\n", 181dad0d04fSFariya Fatima __func__, status); 182dad0d04fSFariya Fatima } 183d453ba81SFariya Fatima kfree(buf); 184d453ba81SFariya Fatima 185dad0d04fSFariya Fatima return status; 186dad0d04fSFariya Fatima } 187dad0d04fSFariya Fatima 188dad0d04fSFariya Fatima /** 189dad0d04fSFariya Fatima * rsi_usb_reg_write() - This function writes the given data into the given 190dad0d04fSFariya Fatima * register address. 191dad0d04fSFariya Fatima * @usbdev: Pointer to the usb_device structure. 192dad0d04fSFariya Fatima * @reg: Address of the register. 193dad0d04fSFariya Fatima * @value: Value to write. 194dad0d04fSFariya Fatima * @len: Length of data to be written. 195dad0d04fSFariya Fatima * 19650591c60SAlexey Khoroshilov * Return: status: 0 on success, a negative error code on failure. 197dad0d04fSFariya Fatima */ 198dad0d04fSFariya Fatima static int rsi_usb_reg_write(struct usb_device *usbdev, 199dad0d04fSFariya Fatima u32 reg, 200dad0d04fSFariya Fatima u16 value, 201dad0d04fSFariya Fatima u16 len) 202dad0d04fSFariya Fatima { 203d453ba81SFariya Fatima u8 *usb_reg_buf; 204d453ba81SFariya Fatima int status = -ENOMEM; 205d453ba81SFariya Fatima 206d453ba81SFariya Fatima usb_reg_buf = kmalloc(0x04, GFP_KERNEL); 207d453ba81SFariya Fatima if (!usb_reg_buf) 208d453ba81SFariya Fatima return status; 209dad0d04fSFariya Fatima 210dad0d04fSFariya Fatima usb_reg_buf[0] = (value & 0x00ff); 211dad0d04fSFariya Fatima usb_reg_buf[1] = (value & 0xff00) >> 8; 212dad0d04fSFariya Fatima usb_reg_buf[2] = 0x0; 213dad0d04fSFariya Fatima usb_reg_buf[3] = 0x0; 214dad0d04fSFariya Fatima 215dad0d04fSFariya Fatima status = usb_control_msg(usbdev, 216dad0d04fSFariya Fatima usb_sndctrlpipe(usbdev, 0), 217dad0d04fSFariya Fatima USB_VENDOR_REGISTER_WRITE, 2184b1fc881SPrameela Rani Garnepudi RSI_USB_REQ_OUT, 219dad0d04fSFariya Fatima ((reg & 0xffff0000) >> 16), 220dad0d04fSFariya Fatima (reg & 0xffff), 221dad0d04fSFariya Fatima (void *)usb_reg_buf, 222dad0d04fSFariya Fatima len, 2234b1fc881SPrameela Rani Garnepudi USB_CTRL_SET_TIMEOUT); 224dad0d04fSFariya Fatima if (status < 0) { 225dad0d04fSFariya Fatima rsi_dbg(ERR_ZONE, 226dad0d04fSFariya Fatima "%s: Reg write failed with error code :%d\n", 227dad0d04fSFariya Fatima __func__, status); 228dad0d04fSFariya Fatima } 229d453ba81SFariya Fatima kfree(usb_reg_buf); 230d453ba81SFariya Fatima 231dad0d04fSFariya Fatima return status; 232dad0d04fSFariya Fatima } 233dad0d04fSFariya Fatima 234dad0d04fSFariya Fatima /** 235dad0d04fSFariya Fatima * rsi_rx_done_handler() - This function is called when a packet is received 236dad0d04fSFariya Fatima * from USB stack. This is callback to recieve done. 237dad0d04fSFariya Fatima * @urb: Received URB. 238dad0d04fSFariya Fatima * 239dad0d04fSFariya Fatima * Return: None. 240dad0d04fSFariya Fatima */ 241dad0d04fSFariya Fatima static void rsi_rx_done_handler(struct urb *urb) 242dad0d04fSFariya Fatima { 243dad0d04fSFariya Fatima struct rsi_hw *adapter = urb->context; 244dad0d04fSFariya Fatima struct rsi_91x_usbdev *dev = (struct rsi_91x_usbdev *)adapter->rsi_dev; 245dad0d04fSFariya Fatima 246dad0d04fSFariya Fatima if (urb->status) 247dad0d04fSFariya Fatima return; 248dad0d04fSFariya Fatima 249dad0d04fSFariya Fatima rsi_set_event(&dev->rx_thread.event); 250dad0d04fSFariya Fatima } 251dad0d04fSFariya Fatima 252dad0d04fSFariya Fatima /** 253dad0d04fSFariya Fatima * rsi_rx_urb_submit() - This function submits the given URB to the USB stack. 254dad0d04fSFariya Fatima * @adapter: Pointer to the adapter structure. 255dad0d04fSFariya Fatima * 25650591c60SAlexey Khoroshilov * Return: 0 on success, a negative error code on failure. 257dad0d04fSFariya Fatima */ 258dad0d04fSFariya Fatima static int rsi_rx_urb_submit(struct rsi_hw *adapter) 259dad0d04fSFariya Fatima { 260dad0d04fSFariya Fatima struct rsi_91x_usbdev *dev = (struct rsi_91x_usbdev *)adapter->rsi_dev; 261dad0d04fSFariya Fatima struct urb *urb = dev->rx_usb_urb[0]; 262dad0d04fSFariya Fatima int status; 263dad0d04fSFariya Fatima 264dad0d04fSFariya Fatima usb_fill_bulk_urb(urb, 265dad0d04fSFariya Fatima dev->usbdev, 266dad0d04fSFariya Fatima usb_rcvbulkpipe(dev->usbdev, 267dad0d04fSFariya Fatima dev->bulkin_endpoint_addr), 268dad0d04fSFariya Fatima urb->transfer_buffer, 269dad0d04fSFariya Fatima 3000, 270dad0d04fSFariya Fatima rsi_rx_done_handler, 271dad0d04fSFariya Fatima adapter); 272dad0d04fSFariya Fatima 273dad0d04fSFariya Fatima status = usb_submit_urb(urb, GFP_KERNEL); 274dad0d04fSFariya Fatima if (status) 275dad0d04fSFariya Fatima rsi_dbg(ERR_ZONE, "%s: Failed in urb submission\n", __func__); 276dad0d04fSFariya Fatima 277dad0d04fSFariya Fatima return status; 278dad0d04fSFariya Fatima } 279dad0d04fSFariya Fatima 28088fa51e1SPrameela Rani Garnepudi static int rsi_usb_read_register_multiple(struct rsi_hw *adapter, u32 addr, 28188fa51e1SPrameela Rani Garnepudi u8 *data, u16 count) 28288fa51e1SPrameela Rani Garnepudi { 28388fa51e1SPrameela Rani Garnepudi struct rsi_91x_usbdev *dev = (struct rsi_91x_usbdev *)adapter->rsi_dev; 28488fa51e1SPrameela Rani Garnepudi u8 *buf; 28588fa51e1SPrameela Rani Garnepudi u16 transfer; 28688fa51e1SPrameela Rani Garnepudi int status; 28788fa51e1SPrameela Rani Garnepudi 28888fa51e1SPrameela Rani Garnepudi if (!addr) 28988fa51e1SPrameela Rani Garnepudi return -EINVAL; 29088fa51e1SPrameela Rani Garnepudi 29188fa51e1SPrameela Rani Garnepudi buf = kzalloc(RSI_USB_BUF_SIZE, GFP_KERNEL); 29288fa51e1SPrameela Rani Garnepudi if (!buf) 29388fa51e1SPrameela Rani Garnepudi return -ENOMEM; 29488fa51e1SPrameela Rani Garnepudi 29588fa51e1SPrameela Rani Garnepudi while (count) { 29688fa51e1SPrameela Rani Garnepudi transfer = min_t(u16, count, RSI_USB_BUF_SIZE); 29788fa51e1SPrameela Rani Garnepudi status = usb_control_msg(dev->usbdev, 29888fa51e1SPrameela Rani Garnepudi usb_rcvctrlpipe(dev->usbdev, 0), 29988fa51e1SPrameela Rani Garnepudi USB_VENDOR_REGISTER_READ, 30088fa51e1SPrameela Rani Garnepudi RSI_USB_REQ_IN, 30188fa51e1SPrameela Rani Garnepudi ((addr & 0xffff0000) >> 16), 30288fa51e1SPrameela Rani Garnepudi (addr & 0xffff), (void *)buf, 30388fa51e1SPrameela Rani Garnepudi transfer, USB_CTRL_GET_TIMEOUT); 30488fa51e1SPrameela Rani Garnepudi if (status < 0) { 30588fa51e1SPrameela Rani Garnepudi rsi_dbg(ERR_ZONE, 30688fa51e1SPrameela Rani Garnepudi "Reg read failed with error code :%d\n", 30788fa51e1SPrameela Rani Garnepudi status); 30888fa51e1SPrameela Rani Garnepudi kfree(buf); 30988fa51e1SPrameela Rani Garnepudi return status; 31088fa51e1SPrameela Rani Garnepudi } 31188fa51e1SPrameela Rani Garnepudi memcpy(data, buf, transfer); 31288fa51e1SPrameela Rani Garnepudi count -= transfer; 31388fa51e1SPrameela Rani Garnepudi data += transfer; 31488fa51e1SPrameela Rani Garnepudi addr += transfer; 31588fa51e1SPrameela Rani Garnepudi } 31688fa51e1SPrameela Rani Garnepudi kfree(buf); 31788fa51e1SPrameela Rani Garnepudi return 0; 31888fa51e1SPrameela Rani Garnepudi } 31988fa51e1SPrameela Rani Garnepudi 320dad0d04fSFariya Fatima /** 321dad0d04fSFariya Fatima * rsi_usb_write_register_multiple() - This function writes multiple bytes of 322dad0d04fSFariya Fatima * information to multiple registers. 323dad0d04fSFariya Fatima * @adapter: Pointer to the adapter structure. 324dad0d04fSFariya Fatima * @addr: Address of the register. 325dad0d04fSFariya Fatima * @data: Pointer to the data that has to be written. 326dad0d04fSFariya Fatima * @count: Number of multiple bytes to be written on to the registers. 327dad0d04fSFariya Fatima * 32850591c60SAlexey Khoroshilov * Return: status: 0 on success, a negative error code on failure. 329dad0d04fSFariya Fatima */ 330dad0d04fSFariya Fatima int rsi_usb_write_register_multiple(struct rsi_hw *adapter, 331dad0d04fSFariya Fatima u32 addr, 332dad0d04fSFariya Fatima u8 *data, 3332fbbe517SPrameela Rani Garnepudi u16 count) 334dad0d04fSFariya Fatima { 335dad0d04fSFariya Fatima struct rsi_91x_usbdev *dev = (struct rsi_91x_usbdev *)adapter->rsi_dev; 336dad0d04fSFariya Fatima u8 *buf; 3372fbbe517SPrameela Rani Garnepudi u16 transfer; 338dad0d04fSFariya Fatima int status = 0; 339dad0d04fSFariya Fatima 3407bdead7aSamit karwar buf = kzalloc(RSI_USB_BUF_SIZE, GFP_KERNEL); 341dad0d04fSFariya Fatima if (!buf) 342dad0d04fSFariya Fatima return -ENOMEM; 343dad0d04fSFariya Fatima 344dad0d04fSFariya Fatima while (count) { 3452fbbe517SPrameela Rani Garnepudi transfer = min_t(u16, count, RSI_USB_BUF_SIZE); 346dad0d04fSFariya Fatima memcpy(buf, data, transfer); 347dad0d04fSFariya Fatima status = usb_control_msg(dev->usbdev, 348dad0d04fSFariya Fatima usb_sndctrlpipe(dev->usbdev, 0), 349dad0d04fSFariya Fatima USB_VENDOR_REGISTER_WRITE, 3504b1fc881SPrameela Rani Garnepudi RSI_USB_REQ_OUT, 351dad0d04fSFariya Fatima ((addr & 0xffff0000) >> 16), 352dad0d04fSFariya Fatima (addr & 0xffff), 353dad0d04fSFariya Fatima (void *)buf, 354dad0d04fSFariya Fatima transfer, 3554b1fc881SPrameela Rani Garnepudi USB_CTRL_SET_TIMEOUT); 356dad0d04fSFariya Fatima if (status < 0) { 357dad0d04fSFariya Fatima rsi_dbg(ERR_ZONE, 358dad0d04fSFariya Fatima "Reg write failed with error code :%d\n", 359dad0d04fSFariya Fatima status); 360ea3336acSPrameela Rani Garnepudi kfree(buf); 361ea3336acSPrameela Rani Garnepudi return status; 362ea3336acSPrameela Rani Garnepudi } 363dad0d04fSFariya Fatima count -= transfer; 364dad0d04fSFariya Fatima data += transfer; 365dad0d04fSFariya Fatima addr += transfer; 366dad0d04fSFariya Fatima } 367dad0d04fSFariya Fatima 368dad0d04fSFariya Fatima kfree(buf); 369dad0d04fSFariya Fatima return 0; 370dad0d04fSFariya Fatima } 371dad0d04fSFariya Fatima 372dad0d04fSFariya Fatima /** 373dad0d04fSFariya Fatima *rsi_usb_host_intf_write_pkt() - This function writes the packet to the 374dad0d04fSFariya Fatima * USB card. 375dad0d04fSFariya Fatima * @adapter: Pointer to the adapter structure. 376dad0d04fSFariya Fatima * @pkt: Pointer to the data to be written on to the card. 377dad0d04fSFariya Fatima * @len: Length of the data to be written on to the card. 378dad0d04fSFariya Fatima * 37950591c60SAlexey Khoroshilov * Return: 0 on success, a negative error code on failure. 380dad0d04fSFariya Fatima */ 381dad0d04fSFariya Fatima static int rsi_usb_host_intf_write_pkt(struct rsi_hw *adapter, 382dad0d04fSFariya Fatima u8 *pkt, 383dad0d04fSFariya Fatima u32 len) 384dad0d04fSFariya Fatima { 385dad0d04fSFariya Fatima u32 queueno = ((pkt[1] >> 4) & 0xf); 386dad0d04fSFariya Fatima u8 endpoint; 387dad0d04fSFariya Fatima 388dad0d04fSFariya Fatima endpoint = ((queueno == RSI_WIFI_MGMT_Q) ? MGMT_EP : DATA_EP); 389dad0d04fSFariya Fatima 390dad0d04fSFariya Fatima return rsi_write_multiple(adapter, 391dad0d04fSFariya Fatima endpoint, 392dad0d04fSFariya Fatima (u8 *)pkt, 393dad0d04fSFariya Fatima len); 394dad0d04fSFariya Fatima } 395dad0d04fSFariya Fatima 396b97e9b94SPrameela Rani Garnepudi static int rsi_usb_master_reg_read(struct rsi_hw *adapter, u32 reg, 397b97e9b94SPrameela Rani Garnepudi u32 *value, u16 len) 398b97e9b94SPrameela Rani Garnepudi { 399b97e9b94SPrameela Rani Garnepudi struct usb_device *usbdev = 400b97e9b94SPrameela Rani Garnepudi ((struct rsi_91x_usbdev *)adapter->rsi_dev)->usbdev; 401b97e9b94SPrameela Rani Garnepudi 402b97e9b94SPrameela Rani Garnepudi return rsi_usb_reg_read(usbdev, reg, (u16 *)value, len); 403b97e9b94SPrameela Rani Garnepudi } 404b97e9b94SPrameela Rani Garnepudi 405b97e9b94SPrameela Rani Garnepudi static int rsi_usb_master_reg_write(struct rsi_hw *adapter, 406b97e9b94SPrameela Rani Garnepudi unsigned long reg, 407b97e9b94SPrameela Rani Garnepudi unsigned long value, u16 len) 408b97e9b94SPrameela Rani Garnepudi { 409b97e9b94SPrameela Rani Garnepudi struct usb_device *usbdev = 410b97e9b94SPrameela Rani Garnepudi ((struct rsi_91x_usbdev *)adapter->rsi_dev)->usbdev; 411b97e9b94SPrameela Rani Garnepudi 412b97e9b94SPrameela Rani Garnepudi return rsi_usb_reg_write(usbdev, reg, value, len); 413b97e9b94SPrameela Rani Garnepudi } 414b97e9b94SPrameela Rani Garnepudi 415b97e9b94SPrameela Rani Garnepudi static int rsi_usb_load_data_master_write(struct rsi_hw *adapter, 416b97e9b94SPrameela Rani Garnepudi u32 base_address, 417b97e9b94SPrameela Rani Garnepudi u32 instructions_sz, u16 block_size, 418b97e9b94SPrameela Rani Garnepudi u8 *ta_firmware) 419b97e9b94SPrameela Rani Garnepudi { 420b97e9b94SPrameela Rani Garnepudi u16 num_blocks; 421b97e9b94SPrameela Rani Garnepudi u32 cur_indx, i; 422b97e9b94SPrameela Rani Garnepudi u8 temp_buf[256]; 423b97e9b94SPrameela Rani Garnepudi int status; 424b97e9b94SPrameela Rani Garnepudi 425b97e9b94SPrameela Rani Garnepudi num_blocks = instructions_sz / block_size; 426b97e9b94SPrameela Rani Garnepudi rsi_dbg(INFO_ZONE, "num_blocks: %d\n", num_blocks); 427b97e9b94SPrameela Rani Garnepudi 428b97e9b94SPrameela Rani Garnepudi for (cur_indx = 0, i = 0; i < num_blocks; i++, cur_indx += block_size) { 429b97e9b94SPrameela Rani Garnepudi memset(temp_buf, 0, block_size); 430b97e9b94SPrameela Rani Garnepudi memcpy(temp_buf, ta_firmware + cur_indx, block_size); 431b97e9b94SPrameela Rani Garnepudi status = rsi_usb_write_register_multiple(adapter, base_address, 432b97e9b94SPrameela Rani Garnepudi (u8 *)(temp_buf), 433b97e9b94SPrameela Rani Garnepudi block_size); 434b97e9b94SPrameela Rani Garnepudi if (status < 0) 435b97e9b94SPrameela Rani Garnepudi return status; 436b97e9b94SPrameela Rani Garnepudi 437b97e9b94SPrameela Rani Garnepudi rsi_dbg(INFO_ZONE, "%s: loading block: %d\n", __func__, i); 438b97e9b94SPrameela Rani Garnepudi base_address += block_size; 439b97e9b94SPrameela Rani Garnepudi } 440b97e9b94SPrameela Rani Garnepudi 441b97e9b94SPrameela Rani Garnepudi if (instructions_sz % block_size) { 442b97e9b94SPrameela Rani Garnepudi memset(temp_buf, 0, block_size); 443b97e9b94SPrameela Rani Garnepudi memcpy(temp_buf, ta_firmware + cur_indx, 444b97e9b94SPrameela Rani Garnepudi instructions_sz % block_size); 445b97e9b94SPrameela Rani Garnepudi status = rsi_usb_write_register_multiple 446b97e9b94SPrameela Rani Garnepudi (adapter, base_address, 447b97e9b94SPrameela Rani Garnepudi (u8 *)temp_buf, 448b97e9b94SPrameela Rani Garnepudi instructions_sz % block_size); 449b97e9b94SPrameela Rani Garnepudi if (status < 0) 450b97e9b94SPrameela Rani Garnepudi return status; 451b97e9b94SPrameela Rani Garnepudi rsi_dbg(INFO_ZONE, 452b97e9b94SPrameela Rani Garnepudi "Written Last Block in Address 0x%x Successfully\n", 453b97e9b94SPrameela Rani Garnepudi cur_indx); 454b97e9b94SPrameela Rani Garnepudi } 455b97e9b94SPrameela Rani Garnepudi return 0; 456b97e9b94SPrameela Rani Garnepudi } 457b97e9b94SPrameela Rani Garnepudi 458a2ce952cSPrameela Rani Garnepudi static struct rsi_host_intf_ops usb_host_intf_ops = { 459a2ce952cSPrameela Rani Garnepudi .write_pkt = rsi_usb_host_intf_write_pkt, 460a2ce952cSPrameela Rani Garnepudi .read_reg_multiple = rsi_usb_read_register_multiple, 461a2ce952cSPrameela Rani Garnepudi .write_reg_multiple = rsi_usb_write_register_multiple, 462b97e9b94SPrameela Rani Garnepudi .master_reg_read = rsi_usb_master_reg_read, 463b97e9b94SPrameela Rani Garnepudi .master_reg_write = rsi_usb_master_reg_write, 464b97e9b94SPrameela Rani Garnepudi .load_data_master_write = rsi_usb_load_data_master_write, 465a2ce952cSPrameela Rani Garnepudi }; 466a2ce952cSPrameela Rani Garnepudi 467dad0d04fSFariya Fatima /** 468dad0d04fSFariya Fatima * rsi_deinit_usb_interface() - This function deinitializes the usb interface. 469dad0d04fSFariya Fatima * @adapter: Pointer to the adapter structure. 470dad0d04fSFariya Fatima * 471dad0d04fSFariya Fatima * Return: None. 472dad0d04fSFariya Fatima */ 473dad0d04fSFariya Fatima static void rsi_deinit_usb_interface(struct rsi_hw *adapter) 474dad0d04fSFariya Fatima { 475dad0d04fSFariya Fatima struct rsi_91x_usbdev *dev = (struct rsi_91x_usbdev *)adapter->rsi_dev; 476dad0d04fSFariya Fatima 477dad0d04fSFariya Fatima rsi_kill_thread(&dev->rx_thread); 47850591c60SAlexey Khoroshilov usb_free_urb(dev->rx_usb_urb[0]); 479dad0d04fSFariya Fatima kfree(adapter->priv->rx_data_pkt); 480dad0d04fSFariya Fatima kfree(dev->tx_buffer); 481dad0d04fSFariya Fatima } 482dad0d04fSFariya Fatima 483dad0d04fSFariya Fatima /** 484dad0d04fSFariya Fatima * rsi_init_usb_interface() - This function initializes the usb interface. 485dad0d04fSFariya Fatima * @adapter: Pointer to the adapter structure. 486dad0d04fSFariya Fatima * @pfunction: Pointer to USB interface structure. 487dad0d04fSFariya Fatima * 48850591c60SAlexey Khoroshilov * Return: 0 on success, a negative error code on failure. 489dad0d04fSFariya Fatima */ 490dad0d04fSFariya Fatima static int rsi_init_usb_interface(struct rsi_hw *adapter, 491dad0d04fSFariya Fatima struct usb_interface *pfunction) 492dad0d04fSFariya Fatima { 493dad0d04fSFariya Fatima struct rsi_91x_usbdev *rsi_dev; 494dad0d04fSFariya Fatima struct rsi_common *common = adapter->priv; 495dad0d04fSFariya Fatima int status; 496dad0d04fSFariya Fatima 497dad0d04fSFariya Fatima rsi_dev = kzalloc(sizeof(*rsi_dev), GFP_KERNEL); 498dad0d04fSFariya Fatima if (!rsi_dev) 499dad0d04fSFariya Fatima return -ENOMEM; 500dad0d04fSFariya Fatima 501dad0d04fSFariya Fatima adapter->rsi_dev = rsi_dev; 502dad0d04fSFariya Fatima rsi_dev->usbdev = interface_to_usbdev(pfunction); 503dad0d04fSFariya Fatima 504dad0d04fSFariya Fatima if (rsi_find_bulk_in_and_out_endpoints(pfunction, adapter)) 505dad0d04fSFariya Fatima return -EINVAL; 506dad0d04fSFariya Fatima 507dad0d04fSFariya Fatima adapter->device = &pfunction->dev; 508dad0d04fSFariya Fatima usb_set_intfdata(pfunction, adapter); 509dad0d04fSFariya Fatima 510dad0d04fSFariya Fatima common->rx_data_pkt = kmalloc(2048, GFP_KERNEL); 511dad0d04fSFariya Fatima if (!common->rx_data_pkt) { 512dad0d04fSFariya Fatima rsi_dbg(ERR_ZONE, "%s: Failed to allocate memory\n", 513dad0d04fSFariya Fatima __func__); 514dad0d04fSFariya Fatima return -ENOMEM; 515dad0d04fSFariya Fatima } 516dad0d04fSFariya Fatima 5175bc5ca85SAlexey Khoroshilov rsi_dev->tx_buffer = kmalloc(2048, GFP_KERNEL); 51850591c60SAlexey Khoroshilov if (!rsi_dev->tx_buffer) { 51950591c60SAlexey Khoroshilov status = -ENOMEM; 52050591c60SAlexey Khoroshilov goto fail_tx; 52150591c60SAlexey Khoroshilov } 522dad0d04fSFariya Fatima rsi_dev->rx_usb_urb[0] = usb_alloc_urb(0, GFP_KERNEL); 52350591c60SAlexey Khoroshilov if (!rsi_dev->rx_usb_urb[0]) { 52450591c60SAlexey Khoroshilov status = -ENOMEM; 52550591c60SAlexey Khoroshilov goto fail_rx; 52650591c60SAlexey Khoroshilov } 527dad0d04fSFariya Fatima rsi_dev->rx_usb_urb[0]->transfer_buffer = adapter->priv->rx_data_pkt; 528dad0d04fSFariya Fatima rsi_dev->tx_blk_size = 252; 529b78e91bcSPrameela Rani Garnepudi adapter->block_size = rsi_dev->tx_blk_size; 530dad0d04fSFariya Fatima 531dad0d04fSFariya Fatima /* Initializing function callbacks */ 532dad0d04fSFariya Fatima adapter->rx_urb_submit = rsi_rx_urb_submit; 533dad0d04fSFariya Fatima adapter->check_hw_queue_status = rsi_usb_check_queue_status; 534dad0d04fSFariya Fatima adapter->determine_event_timeout = rsi_usb_event_timeout; 535a2ce952cSPrameela Rani Garnepudi adapter->rsi_host_intf = RSI_HOST_INTF_USB; 536a2ce952cSPrameela Rani Garnepudi adapter->host_intf_ops = &usb_host_intf_ops; 537dad0d04fSFariya Fatima 538dad0d04fSFariya Fatima rsi_init_event(&rsi_dev->rx_thread.event); 539dad0d04fSFariya Fatima status = rsi_create_kthread(common, &rsi_dev->rx_thread, 540dad0d04fSFariya Fatima rsi_usb_rx_thread, "RX-Thread"); 541dad0d04fSFariya Fatima if (status) { 542dad0d04fSFariya Fatima rsi_dbg(ERR_ZONE, "%s: Unable to init rx thrd\n", __func__); 54350591c60SAlexey Khoroshilov goto fail_thread; 544dad0d04fSFariya Fatima } 545dad0d04fSFariya Fatima 546dad0d04fSFariya Fatima #ifdef CONFIG_RSI_DEBUGFS 547dad0d04fSFariya Fatima /* In USB, one less than the MAX_DEBUGFS_ENTRIES entries is required */ 548dad0d04fSFariya Fatima adapter->num_debugfs_entries = (MAX_DEBUGFS_ENTRIES - 1); 549dad0d04fSFariya Fatima #endif 550dad0d04fSFariya Fatima 551dad0d04fSFariya Fatima rsi_dbg(INIT_ZONE, "%s: Enabled the interface\n", __func__); 552dad0d04fSFariya Fatima return 0; 553dad0d04fSFariya Fatima 55450591c60SAlexey Khoroshilov fail_thread: 55550591c60SAlexey Khoroshilov usb_free_urb(rsi_dev->rx_usb_urb[0]); 55650591c60SAlexey Khoroshilov fail_rx: 557dad0d04fSFariya Fatima kfree(rsi_dev->tx_buffer); 55850591c60SAlexey Khoroshilov fail_tx: 559dad0d04fSFariya Fatima kfree(common->rx_data_pkt); 560dad0d04fSFariya Fatima return status; 561dad0d04fSFariya Fatima } 562dad0d04fSFariya Fatima 563dad0d04fSFariya Fatima /** 564dad0d04fSFariya Fatima * rsi_probe() - This function is called by kernel when the driver provided 565dad0d04fSFariya Fatima * Vendor and device IDs are matched. All the initialization 566dad0d04fSFariya Fatima * work is done here. 567dad0d04fSFariya Fatima * @pfunction: Pointer to the USB interface structure. 568dad0d04fSFariya Fatima * @id: Pointer to the usb_device_id structure. 569dad0d04fSFariya Fatima * 57050591c60SAlexey Khoroshilov * Return: 0 on success, a negative error code on failure. 571dad0d04fSFariya Fatima */ 572dad0d04fSFariya Fatima static int rsi_probe(struct usb_interface *pfunction, 573dad0d04fSFariya Fatima const struct usb_device_id *id) 574dad0d04fSFariya Fatima { 575dad0d04fSFariya Fatima struct rsi_hw *adapter; 576dad0d04fSFariya Fatima struct rsi_91x_usbdev *dev; 577dad0d04fSFariya Fatima u16 fw_status; 57850591c60SAlexey Khoroshilov int status; 579dad0d04fSFariya Fatima 580dad0d04fSFariya Fatima rsi_dbg(INIT_ZONE, "%s: Init function called\n", __func__); 581dad0d04fSFariya Fatima 582dad0d04fSFariya Fatima adapter = rsi_91x_init(); 583dad0d04fSFariya Fatima if (!adapter) { 584dad0d04fSFariya Fatima rsi_dbg(ERR_ZONE, "%s: Failed to init os intf ops\n", 585dad0d04fSFariya Fatima __func__); 58650591c60SAlexey Khoroshilov return -ENOMEM; 587dad0d04fSFariya Fatima } 588b78e91bcSPrameela Rani Garnepudi adapter->rsi_host_intf = RSI_HOST_INTF_USB; 589dad0d04fSFariya Fatima 59050591c60SAlexey Khoroshilov status = rsi_init_usb_interface(adapter, pfunction); 59150591c60SAlexey Khoroshilov if (status) { 592dad0d04fSFariya Fatima rsi_dbg(ERR_ZONE, "%s: Failed to init usb interface\n", 593dad0d04fSFariya Fatima __func__); 594dad0d04fSFariya Fatima goto err; 595dad0d04fSFariya Fatima } 596dad0d04fSFariya Fatima 597dad0d04fSFariya Fatima rsi_dbg(ERR_ZONE, "%s: Initialized os intf ops\n", __func__); 598dad0d04fSFariya Fatima 599dad0d04fSFariya Fatima dev = (struct rsi_91x_usbdev *)adapter->rsi_dev; 600dad0d04fSFariya Fatima 60150591c60SAlexey Khoroshilov status = rsi_usb_reg_read(dev->usbdev, FW_STATUS_REG, &fw_status, 2); 602b78e91bcSPrameela Rani Garnepudi if (status < 0) 603dad0d04fSFariya Fatima goto err1; 604dad0d04fSFariya Fatima else 605dad0d04fSFariya Fatima fw_status &= 1; 606dad0d04fSFariya Fatima 607dad0d04fSFariya Fatima if (!fw_status) { 608b78e91bcSPrameela Rani Garnepudi rsi_dbg(INIT_ZONE, "Loading firmware...\n"); 609b78e91bcSPrameela Rani Garnepudi status = rsi_hal_device_init(adapter); 61050591c60SAlexey Khoroshilov if (status) { 611dad0d04fSFariya Fatima rsi_dbg(ERR_ZONE, "%s: Failed in device init\n", 612dad0d04fSFariya Fatima __func__); 613dad0d04fSFariya Fatima goto err1; 614dad0d04fSFariya Fatima } 615b78e91bcSPrameela Rani Garnepudi rsi_dbg(INIT_ZONE, "%s: Device Init Done\n", __func__); 616dad0d04fSFariya Fatima } 617dad0d04fSFariya Fatima 61850591c60SAlexey Khoroshilov status = rsi_rx_urb_submit(adapter); 61950591c60SAlexey Khoroshilov if (status) 620dad0d04fSFariya Fatima goto err1; 621dad0d04fSFariya Fatima 622dad0d04fSFariya Fatima return 0; 623dad0d04fSFariya Fatima err1: 624dad0d04fSFariya Fatima rsi_deinit_usb_interface(adapter); 625dad0d04fSFariya Fatima err: 626dad0d04fSFariya Fatima rsi_91x_deinit(adapter); 627dad0d04fSFariya Fatima rsi_dbg(ERR_ZONE, "%s: Failed in probe...Exiting\n", __func__); 62850591c60SAlexey Khoroshilov return status; 629dad0d04fSFariya Fatima } 630dad0d04fSFariya Fatima 631dad0d04fSFariya Fatima /** 632dad0d04fSFariya Fatima * rsi_disconnect() - This function performs the reverse of the probe function, 6331cce2000SMasahiro Yamada * it deinitialize the driver structure. 634dad0d04fSFariya Fatima * @pfunction: Pointer to the USB interface structure. 635dad0d04fSFariya Fatima * 636dad0d04fSFariya Fatima * Return: None. 637dad0d04fSFariya Fatima */ 638dad0d04fSFariya Fatima static void rsi_disconnect(struct usb_interface *pfunction) 639dad0d04fSFariya Fatima { 640dad0d04fSFariya Fatima struct rsi_hw *adapter = usb_get_intfdata(pfunction); 641dad0d04fSFariya Fatima 642dad0d04fSFariya Fatima if (!adapter) 643dad0d04fSFariya Fatima return; 644dad0d04fSFariya Fatima 645dad0d04fSFariya Fatima rsi_mac80211_detach(adapter); 646dad0d04fSFariya Fatima rsi_deinit_usb_interface(adapter); 647dad0d04fSFariya Fatima rsi_91x_deinit(adapter); 648dad0d04fSFariya Fatima 649dad0d04fSFariya Fatima rsi_dbg(INFO_ZONE, "%s: Deinitialization completed\n", __func__); 650dad0d04fSFariya Fatima } 651dad0d04fSFariya Fatima 652dad0d04fSFariya Fatima #ifdef CONFIG_PM 653dad0d04fSFariya Fatima static int rsi_suspend(struct usb_interface *intf, pm_message_t message) 654dad0d04fSFariya Fatima { 655dad0d04fSFariya Fatima /* Not yet implemented */ 656dad0d04fSFariya Fatima return -ENOSYS; 657dad0d04fSFariya Fatima } 658dad0d04fSFariya Fatima 659dad0d04fSFariya Fatima static int rsi_resume(struct usb_interface *intf) 660dad0d04fSFariya Fatima { 661dad0d04fSFariya Fatima /* Not yet implemented */ 662dad0d04fSFariya Fatima return -ENOSYS; 663dad0d04fSFariya Fatima } 664dad0d04fSFariya Fatima #endif 665dad0d04fSFariya Fatima 666dad0d04fSFariya Fatima static const struct usb_device_id rsi_dev_table[] = { 667dad0d04fSFariya Fatima { USB_DEVICE(0x0303, 0x0100) }, 668dad0d04fSFariya Fatima { USB_DEVICE(0x041B, 0x0301) }, 669dad0d04fSFariya Fatima { USB_DEVICE(0x041B, 0x0201) }, 670dad0d04fSFariya Fatima { USB_DEVICE(0x041B, 0x9330) }, 671dad0d04fSFariya Fatima { /* Blank */}, 672dad0d04fSFariya Fatima }; 673dad0d04fSFariya Fatima 674dad0d04fSFariya Fatima static struct usb_driver rsi_driver = { 675dad0d04fSFariya Fatima .name = "RSI-USB WLAN", 676dad0d04fSFariya Fatima .probe = rsi_probe, 677dad0d04fSFariya Fatima .disconnect = rsi_disconnect, 678dad0d04fSFariya Fatima .id_table = rsi_dev_table, 679dad0d04fSFariya Fatima #ifdef CONFIG_PM 680dad0d04fSFariya Fatima .suspend = rsi_suspend, 681dad0d04fSFariya Fatima .resume = rsi_resume, 682dad0d04fSFariya Fatima #endif 683dad0d04fSFariya Fatima }; 684dad0d04fSFariya Fatima 685b101426aSAlexey Khoroshilov module_usb_driver(rsi_driver); 686dad0d04fSFariya Fatima 687dad0d04fSFariya Fatima MODULE_AUTHOR("Redpine Signals Inc"); 688dad0d04fSFariya Fatima MODULE_DESCRIPTION("Common USB layer for RSI drivers"); 689dad0d04fSFariya Fatima MODULE_SUPPORTED_DEVICE("RSI-91x"); 690dad0d04fSFariya Fatima MODULE_DEVICE_TABLE(usb, rsi_dev_table); 691dad0d04fSFariya Fatima MODULE_FIRMWARE(FIRMWARE_RSI9113); 692dad0d04fSFariya Fatima MODULE_VERSION("0.1"); 693dad0d04fSFariya Fatima MODULE_LICENSE("Dual BSD/GPL"); 694