1241b128bSKalle Valo /* 2241b128bSKalle Valo * Copyright (c) 2007-2011 Atheros Communications Inc. 31b2df407SVasanthakumar Thiagarajan * Copyright (c) 2011-2012 Qualcomm Atheros, Inc. 4241b128bSKalle Valo * 5241b128bSKalle Valo * Permission to use, copy, modify, and/or distribute this software for any 6241b128bSKalle Valo * purpose with or without fee is hereby granted, provided that the above 7241b128bSKalle Valo * copyright notice and this permission notice appear in all copies. 8241b128bSKalle Valo * 9241b128bSKalle Valo * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10241b128bSKalle Valo * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11241b128bSKalle Valo * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12241b128bSKalle Valo * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13241b128bSKalle Valo * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14241b128bSKalle Valo * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15241b128bSKalle Valo * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16241b128bSKalle Valo */ 17241b128bSKalle Valo 18241b128bSKalle Valo #include <linux/module.h> 19241b128bSKalle Valo #include <linux/usb.h> 20241b128bSKalle Valo 21241b128bSKalle Valo #include "debug.h" 22241b128bSKalle Valo #include "core.h" 23241b128bSKalle Valo 249cbee358SKalle Valo /* constants */ 259cbee358SKalle Valo #define TX_URB_COUNT 32 269cbee358SKalle Valo #define RX_URB_COUNT 32 279cbee358SKalle Valo #define ATH6KL_USB_RX_BUFFER_SIZE 1700 289cbee358SKalle Valo 299cbee358SKalle Valo /* tx/rx pipes for usb */ 309cbee358SKalle Valo enum ATH6KL_USB_PIPE_ID { 319cbee358SKalle Valo ATH6KL_USB_PIPE_TX_CTRL = 0, 329cbee358SKalle Valo ATH6KL_USB_PIPE_TX_DATA_LP, 339cbee358SKalle Valo ATH6KL_USB_PIPE_TX_DATA_MP, 349cbee358SKalle Valo ATH6KL_USB_PIPE_TX_DATA_HP, 359cbee358SKalle Valo ATH6KL_USB_PIPE_RX_CTRL, 369cbee358SKalle Valo ATH6KL_USB_PIPE_RX_DATA, 379cbee358SKalle Valo ATH6KL_USB_PIPE_RX_DATA2, 389cbee358SKalle Valo ATH6KL_USB_PIPE_RX_INT, 399cbee358SKalle Valo ATH6KL_USB_PIPE_MAX 409cbee358SKalle Valo }; 419cbee358SKalle Valo 429cbee358SKalle Valo #define ATH6KL_USB_PIPE_INVALID ATH6KL_USB_PIPE_MAX 439cbee358SKalle Valo 449cbee358SKalle Valo struct ath6kl_usb_pipe { 459cbee358SKalle Valo struct list_head urb_list_head; 469cbee358SKalle Valo struct usb_anchor urb_submitted; 479cbee358SKalle Valo u32 urb_alloc; 489cbee358SKalle Valo u32 urb_cnt; 499cbee358SKalle Valo u32 urb_cnt_thresh; 509cbee358SKalle Valo unsigned int usb_pipe_handle; 519cbee358SKalle Valo u32 flags; 529cbee358SKalle Valo u8 ep_address; 539cbee358SKalle Valo u8 logical_pipe_num; 549cbee358SKalle Valo struct ath6kl_usb *ar_usb; 559cbee358SKalle Valo u16 max_packet_size; 569cbee358SKalle Valo struct work_struct io_complete_work; 579cbee358SKalle Valo struct sk_buff_head io_comp_queue; 589cbee358SKalle Valo struct usb_endpoint_descriptor *ep_desc; 599cbee358SKalle Valo }; 609cbee358SKalle Valo 619cbee358SKalle Valo #define ATH6KL_USB_PIPE_FLAG_TX (1 << 0) 629cbee358SKalle Valo 63241b128bSKalle Valo /* usb device object */ 64241b128bSKalle Valo struct ath6kl_usb { 659cbee358SKalle Valo /* protects pipe->urb_list_head and pipe->urb_cnt */ 669cbee358SKalle Valo spinlock_t cs_lock; 679cbee358SKalle Valo 68241b128bSKalle Valo struct usb_device *udev; 69241b128bSKalle Valo struct usb_interface *interface; 709cbee358SKalle Valo struct ath6kl_usb_pipe pipes[ATH6KL_USB_PIPE_MAX]; 71241b128bSKalle Valo u8 *diag_cmd_buffer; 72241b128bSKalle Valo u8 *diag_resp_buffer; 73241b128bSKalle Valo struct ath6kl *ar; 74241b128bSKalle Valo }; 75241b128bSKalle Valo 769cbee358SKalle Valo /* usb urb object */ 779cbee358SKalle Valo struct ath6kl_urb_context { 789cbee358SKalle Valo struct list_head link; 799cbee358SKalle Valo struct ath6kl_usb_pipe *pipe; 809cbee358SKalle Valo struct sk_buff *skb; 819cbee358SKalle Valo struct ath6kl *ar; 829cbee358SKalle Valo }; 839cbee358SKalle Valo 849cbee358SKalle Valo /* USB endpoint definitions */ 859cbee358SKalle Valo #define ATH6KL_USB_EP_ADDR_APP_CTRL_IN 0x81 869cbee358SKalle Valo #define ATH6KL_USB_EP_ADDR_APP_DATA_IN 0x82 879cbee358SKalle Valo #define ATH6KL_USB_EP_ADDR_APP_DATA2_IN 0x83 889cbee358SKalle Valo #define ATH6KL_USB_EP_ADDR_APP_INT_IN 0x84 899cbee358SKalle Valo 909cbee358SKalle Valo #define ATH6KL_USB_EP_ADDR_APP_CTRL_OUT 0x01 919cbee358SKalle Valo #define ATH6KL_USB_EP_ADDR_APP_DATA_LP_OUT 0x02 929cbee358SKalle Valo #define ATH6KL_USB_EP_ADDR_APP_DATA_MP_OUT 0x03 939cbee358SKalle Valo #define ATH6KL_USB_EP_ADDR_APP_DATA_HP_OUT 0x04 949cbee358SKalle Valo 95241b128bSKalle Valo /* diagnostic command defnitions */ 96241b128bSKalle Valo #define ATH6KL_USB_CONTROL_REQ_SEND_BMI_CMD 1 97241b128bSKalle Valo #define ATH6KL_USB_CONTROL_REQ_RECV_BMI_RESP 2 98241b128bSKalle Valo #define ATH6KL_USB_CONTROL_REQ_DIAG_CMD 3 99241b128bSKalle Valo #define ATH6KL_USB_CONTROL_REQ_DIAG_RESP 4 100241b128bSKalle Valo 101241b128bSKalle Valo #define ATH6KL_USB_CTRL_DIAG_CC_READ 0 102241b128bSKalle Valo #define ATH6KL_USB_CTRL_DIAG_CC_WRITE 1 103241b128bSKalle Valo 104241b128bSKalle Valo struct ath6kl_usb_ctrl_diag_cmd_write { 105241b128bSKalle Valo __le32 cmd; 106241b128bSKalle Valo __le32 address; 107241b128bSKalle Valo __le32 value; 108241b128bSKalle Valo __le32 _pad[1]; 109241b128bSKalle Valo } __packed; 110241b128bSKalle Valo 111241b128bSKalle Valo struct ath6kl_usb_ctrl_diag_cmd_read { 112241b128bSKalle Valo __le32 cmd; 113241b128bSKalle Valo __le32 address; 114241b128bSKalle Valo } __packed; 115241b128bSKalle Valo 116241b128bSKalle Valo struct ath6kl_usb_ctrl_diag_resp_read { 117241b128bSKalle Valo __le32 value; 118241b128bSKalle Valo } __packed; 119241b128bSKalle Valo 1209cbee358SKalle Valo /* function declarations */ 1219cbee358SKalle Valo static void ath6kl_usb_recv_complete(struct urb *urb); 1229cbee358SKalle Valo 1239cbee358SKalle Valo #define ATH6KL_USB_IS_BULK_EP(attr) (((attr) & 3) == 0x02) 1249cbee358SKalle Valo #define ATH6KL_USB_IS_INT_EP(attr) (((attr) & 3) == 0x03) 1259cbee358SKalle Valo #define ATH6KL_USB_IS_ISOC_EP(attr) (((attr) & 3) == 0x01) 1269cbee358SKalle Valo #define ATH6KL_USB_IS_DIR_IN(addr) ((addr) & 0x80) 1279cbee358SKalle Valo 1289cbee358SKalle Valo /* pipe/urb operations */ 1299cbee358SKalle Valo static struct ath6kl_urb_context * 1309cbee358SKalle Valo ath6kl_usb_alloc_urb_from_pipe(struct ath6kl_usb_pipe *pipe) 1319cbee358SKalle Valo { 1329cbee358SKalle Valo struct ath6kl_urb_context *urb_context = NULL; 1339cbee358SKalle Valo unsigned long flags; 1349cbee358SKalle Valo 1359cbee358SKalle Valo spin_lock_irqsave(&pipe->ar_usb->cs_lock, flags); 1369cbee358SKalle Valo if (!list_empty(&pipe->urb_list_head)) { 1379cbee358SKalle Valo urb_context = 1389cbee358SKalle Valo list_first_entry(&pipe->urb_list_head, 1399cbee358SKalle Valo struct ath6kl_urb_context, link); 1409cbee358SKalle Valo list_del(&urb_context->link); 1419cbee358SKalle Valo pipe->urb_cnt--; 1429cbee358SKalle Valo } 1439cbee358SKalle Valo spin_unlock_irqrestore(&pipe->ar_usb->cs_lock, flags); 1449cbee358SKalle Valo 1459cbee358SKalle Valo return urb_context; 1469cbee358SKalle Valo } 1479cbee358SKalle Valo 1489cbee358SKalle Valo static void ath6kl_usb_free_urb_to_pipe(struct ath6kl_usb_pipe *pipe, 1499cbee358SKalle Valo struct ath6kl_urb_context *urb_context) 1509cbee358SKalle Valo { 1519cbee358SKalle Valo unsigned long flags; 1529cbee358SKalle Valo 1539cbee358SKalle Valo spin_lock_irqsave(&pipe->ar_usb->cs_lock, flags); 1549cbee358SKalle Valo pipe->urb_cnt++; 1559cbee358SKalle Valo 1569cbee358SKalle Valo list_add(&urb_context->link, &pipe->urb_list_head); 1579cbee358SKalle Valo spin_unlock_irqrestore(&pipe->ar_usb->cs_lock, flags); 1589cbee358SKalle Valo } 1599cbee358SKalle Valo 1609cbee358SKalle Valo static void ath6kl_usb_cleanup_recv_urb(struct ath6kl_urb_context *urb_context) 1619cbee358SKalle Valo { 1629cbee358SKalle Valo if (urb_context->skb != NULL) { 1639cbee358SKalle Valo dev_kfree_skb(urb_context->skb); 1649cbee358SKalle Valo urb_context->skb = NULL; 1659cbee358SKalle Valo } 1669cbee358SKalle Valo 1679cbee358SKalle Valo ath6kl_usb_free_urb_to_pipe(urb_context->pipe, urb_context); 1689cbee358SKalle Valo } 1699cbee358SKalle Valo 1709cbee358SKalle Valo static inline struct ath6kl_usb *ath6kl_usb_priv(struct ath6kl *ar) 1719cbee358SKalle Valo { 1729cbee358SKalle Valo return ar->hif_priv; 1739cbee358SKalle Valo } 1749cbee358SKalle Valo 1759cbee358SKalle Valo /* pipe resource allocation/cleanup */ 1769cbee358SKalle Valo static int ath6kl_usb_alloc_pipe_resources(struct ath6kl_usb_pipe *pipe, 1779cbee358SKalle Valo int urb_cnt) 1789cbee358SKalle Valo { 1799cbee358SKalle Valo struct ath6kl_urb_context *urb_context; 1809cbee358SKalle Valo int status = 0, i; 1819cbee358SKalle Valo 1829cbee358SKalle Valo INIT_LIST_HEAD(&pipe->urb_list_head); 1839cbee358SKalle Valo init_usb_anchor(&pipe->urb_submitted); 1849cbee358SKalle Valo 1859cbee358SKalle Valo for (i = 0; i < urb_cnt; i++) { 1869cbee358SKalle Valo urb_context = kzalloc(sizeof(struct ath6kl_urb_context), 1879cbee358SKalle Valo GFP_KERNEL); 1889cbee358SKalle Valo if (urb_context == NULL) 1899cbee358SKalle Valo /* FIXME: set status to -ENOMEM */ 1909cbee358SKalle Valo break; 1919cbee358SKalle Valo 1929cbee358SKalle Valo urb_context->pipe = pipe; 1939cbee358SKalle Valo 1949cbee358SKalle Valo /* 1959cbee358SKalle Valo * we are only allocate the urb contexts here, the actual URB 1969cbee358SKalle Valo * is allocated from the kernel as needed to do a transaction 1979cbee358SKalle Valo */ 1989cbee358SKalle Valo pipe->urb_alloc++; 1999cbee358SKalle Valo ath6kl_usb_free_urb_to_pipe(pipe, urb_context); 2009cbee358SKalle Valo } 2019cbee358SKalle Valo 2029cbee358SKalle Valo ath6kl_dbg(ATH6KL_DBG_USB, 2039cbee358SKalle Valo "ath6kl usb: alloc resources lpipe:%d hpipe:0x%X urbs:%d\n", 2049cbee358SKalle Valo pipe->logical_pipe_num, pipe->usb_pipe_handle, 2059cbee358SKalle Valo pipe->urb_alloc); 2069cbee358SKalle Valo 2079cbee358SKalle Valo return status; 2089cbee358SKalle Valo } 2099cbee358SKalle Valo 2109cbee358SKalle Valo static void ath6kl_usb_free_pipe_resources(struct ath6kl_usb_pipe *pipe) 2119cbee358SKalle Valo { 2129cbee358SKalle Valo struct ath6kl_urb_context *urb_context; 2139cbee358SKalle Valo 2149cbee358SKalle Valo if (pipe->ar_usb == NULL) { 2159cbee358SKalle Valo /* nothing allocated for this pipe */ 2169cbee358SKalle Valo return; 2179cbee358SKalle Valo } 2189cbee358SKalle Valo 2199cbee358SKalle Valo ath6kl_dbg(ATH6KL_DBG_USB, 2209cbee358SKalle Valo "ath6kl usb: free resources lpipe:%d" 2219cbee358SKalle Valo "hpipe:0x%X urbs:%d avail:%d\n", 2229cbee358SKalle Valo pipe->logical_pipe_num, pipe->usb_pipe_handle, 2239cbee358SKalle Valo pipe->urb_alloc, pipe->urb_cnt); 2249cbee358SKalle Valo 2259cbee358SKalle Valo if (pipe->urb_alloc != pipe->urb_cnt) { 2269cbee358SKalle Valo ath6kl_dbg(ATH6KL_DBG_USB, 2279cbee358SKalle Valo "ath6kl usb: urb leak! lpipe:%d" 2289cbee358SKalle Valo "hpipe:0x%X urbs:%d avail:%d\n", 2299cbee358SKalle Valo pipe->logical_pipe_num, pipe->usb_pipe_handle, 2309cbee358SKalle Valo pipe->urb_alloc, pipe->urb_cnt); 2319cbee358SKalle Valo } 2329cbee358SKalle Valo 2339cbee358SKalle Valo while (true) { 2349cbee358SKalle Valo urb_context = ath6kl_usb_alloc_urb_from_pipe(pipe); 2359cbee358SKalle Valo if (urb_context == NULL) 2369cbee358SKalle Valo break; 2379cbee358SKalle Valo kfree(urb_context); 2389cbee358SKalle Valo } 2399cbee358SKalle Valo 2409cbee358SKalle Valo } 2419cbee358SKalle Valo 2429cbee358SKalle Valo static void ath6kl_usb_cleanup_pipe_resources(struct ath6kl_usb *ar_usb) 2439cbee358SKalle Valo { 2449cbee358SKalle Valo int i; 2459cbee358SKalle Valo 2469cbee358SKalle Valo for (i = 0; i < ATH6KL_USB_PIPE_MAX; i++) 2479cbee358SKalle Valo ath6kl_usb_free_pipe_resources(&ar_usb->pipes[i]); 2489cbee358SKalle Valo 2499cbee358SKalle Valo } 2509cbee358SKalle Valo 2519cbee358SKalle Valo static u8 ath6kl_usb_get_logical_pipe_num(struct ath6kl_usb *ar_usb, 2529cbee358SKalle Valo u8 ep_address, int *urb_count) 2539cbee358SKalle Valo { 2549cbee358SKalle Valo u8 pipe_num = ATH6KL_USB_PIPE_INVALID; 2559cbee358SKalle Valo 2569cbee358SKalle Valo switch (ep_address) { 2579cbee358SKalle Valo case ATH6KL_USB_EP_ADDR_APP_CTRL_IN: 2589cbee358SKalle Valo pipe_num = ATH6KL_USB_PIPE_RX_CTRL; 2599cbee358SKalle Valo *urb_count = RX_URB_COUNT; 2609cbee358SKalle Valo break; 2619cbee358SKalle Valo case ATH6KL_USB_EP_ADDR_APP_DATA_IN: 2629cbee358SKalle Valo pipe_num = ATH6KL_USB_PIPE_RX_DATA; 2639cbee358SKalle Valo *urb_count = RX_URB_COUNT; 2649cbee358SKalle Valo break; 2659cbee358SKalle Valo case ATH6KL_USB_EP_ADDR_APP_INT_IN: 2669cbee358SKalle Valo pipe_num = ATH6KL_USB_PIPE_RX_INT; 2679cbee358SKalle Valo *urb_count = RX_URB_COUNT; 2689cbee358SKalle Valo break; 2699cbee358SKalle Valo case ATH6KL_USB_EP_ADDR_APP_DATA2_IN: 2709cbee358SKalle Valo pipe_num = ATH6KL_USB_PIPE_RX_DATA2; 2719cbee358SKalle Valo *urb_count = RX_URB_COUNT; 2729cbee358SKalle Valo break; 2739cbee358SKalle Valo case ATH6KL_USB_EP_ADDR_APP_CTRL_OUT: 2749cbee358SKalle Valo pipe_num = ATH6KL_USB_PIPE_TX_CTRL; 2759cbee358SKalle Valo *urb_count = TX_URB_COUNT; 2769cbee358SKalle Valo break; 2779cbee358SKalle Valo case ATH6KL_USB_EP_ADDR_APP_DATA_LP_OUT: 2789cbee358SKalle Valo pipe_num = ATH6KL_USB_PIPE_TX_DATA_LP; 2799cbee358SKalle Valo *urb_count = TX_URB_COUNT; 2809cbee358SKalle Valo break; 2819cbee358SKalle Valo case ATH6KL_USB_EP_ADDR_APP_DATA_MP_OUT: 2829cbee358SKalle Valo pipe_num = ATH6KL_USB_PIPE_TX_DATA_MP; 2839cbee358SKalle Valo *urb_count = TX_URB_COUNT; 2849cbee358SKalle Valo break; 2859cbee358SKalle Valo case ATH6KL_USB_EP_ADDR_APP_DATA_HP_OUT: 2869cbee358SKalle Valo pipe_num = ATH6KL_USB_PIPE_TX_DATA_HP; 2879cbee358SKalle Valo *urb_count = TX_URB_COUNT; 2889cbee358SKalle Valo break; 2899cbee358SKalle Valo default: 2909cbee358SKalle Valo /* note: there may be endpoints not currently used */ 2919cbee358SKalle Valo break; 2929cbee358SKalle Valo } 2939cbee358SKalle Valo 2949cbee358SKalle Valo return pipe_num; 2959cbee358SKalle Valo } 2969cbee358SKalle Valo 2979cbee358SKalle Valo static int ath6kl_usb_setup_pipe_resources(struct ath6kl_usb *ar_usb) 2989cbee358SKalle Valo { 2999cbee358SKalle Valo struct usb_interface *interface = ar_usb->interface; 3009cbee358SKalle Valo struct usb_host_interface *iface_desc = interface->cur_altsetting; 3019cbee358SKalle Valo struct usb_endpoint_descriptor *endpoint; 3029cbee358SKalle Valo struct ath6kl_usb_pipe *pipe; 3039cbee358SKalle Valo int i, urbcount, status = 0; 3049cbee358SKalle Valo u8 pipe_num; 3059cbee358SKalle Valo 3069cbee358SKalle Valo ath6kl_dbg(ATH6KL_DBG_USB, "setting up USB Pipes using interface\n"); 3079cbee358SKalle Valo 3089cbee358SKalle Valo /* walk decriptors and setup pipes */ 3099cbee358SKalle Valo for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { 3109cbee358SKalle Valo endpoint = &iface_desc->endpoint[i].desc; 3119cbee358SKalle Valo 3129cbee358SKalle Valo if (ATH6KL_USB_IS_BULK_EP(endpoint->bmAttributes)) { 3139cbee358SKalle Valo ath6kl_dbg(ATH6KL_DBG_USB, 3149cbee358SKalle Valo "%s Bulk Ep:0x%2.2X maxpktsz:%d\n", 3159cbee358SKalle Valo ATH6KL_USB_IS_DIR_IN 3169cbee358SKalle Valo (endpoint->bEndpointAddress) ? 3179cbee358SKalle Valo "RX" : "TX", endpoint->bEndpointAddress, 3189cbee358SKalle Valo le16_to_cpu(endpoint->wMaxPacketSize)); 3199cbee358SKalle Valo } else if (ATH6KL_USB_IS_INT_EP(endpoint->bmAttributes)) { 3209cbee358SKalle Valo ath6kl_dbg(ATH6KL_DBG_USB, 3219cbee358SKalle Valo "%s Int Ep:0x%2.2X maxpktsz:%d interval:%d\n", 3229cbee358SKalle Valo ATH6KL_USB_IS_DIR_IN 3239cbee358SKalle Valo (endpoint->bEndpointAddress) ? 3249cbee358SKalle Valo "RX" : "TX", endpoint->bEndpointAddress, 3259cbee358SKalle Valo le16_to_cpu(endpoint->wMaxPacketSize), 3269cbee358SKalle Valo endpoint->bInterval); 3279cbee358SKalle Valo } else if (ATH6KL_USB_IS_ISOC_EP(endpoint->bmAttributes)) { 3289cbee358SKalle Valo /* TODO for ISO */ 3299cbee358SKalle Valo ath6kl_dbg(ATH6KL_DBG_USB, 3309cbee358SKalle Valo "%s ISOC Ep:0x%2.2X maxpktsz:%d interval:%d\n", 3319cbee358SKalle Valo ATH6KL_USB_IS_DIR_IN 3329cbee358SKalle Valo (endpoint->bEndpointAddress) ? 3339cbee358SKalle Valo "RX" : "TX", endpoint->bEndpointAddress, 3349cbee358SKalle Valo le16_to_cpu(endpoint->wMaxPacketSize), 3359cbee358SKalle Valo endpoint->bInterval); 3369cbee358SKalle Valo } 3379cbee358SKalle Valo urbcount = 0; 3389cbee358SKalle Valo 3399cbee358SKalle Valo pipe_num = 3409cbee358SKalle Valo ath6kl_usb_get_logical_pipe_num(ar_usb, 3419cbee358SKalle Valo endpoint->bEndpointAddress, 3429cbee358SKalle Valo &urbcount); 3439cbee358SKalle Valo if (pipe_num == ATH6KL_USB_PIPE_INVALID) 3449cbee358SKalle Valo continue; 3459cbee358SKalle Valo 3469cbee358SKalle Valo pipe = &ar_usb->pipes[pipe_num]; 3479cbee358SKalle Valo if (pipe->ar_usb != NULL) { 3489cbee358SKalle Valo /* hmmm..pipe was already setup */ 3499cbee358SKalle Valo continue; 3509cbee358SKalle Valo } 3519cbee358SKalle Valo 3529cbee358SKalle Valo pipe->ar_usb = ar_usb; 3539cbee358SKalle Valo pipe->logical_pipe_num = pipe_num; 3549cbee358SKalle Valo pipe->ep_address = endpoint->bEndpointAddress; 3559cbee358SKalle Valo pipe->max_packet_size = le16_to_cpu(endpoint->wMaxPacketSize); 3569cbee358SKalle Valo 3579cbee358SKalle Valo if (ATH6KL_USB_IS_BULK_EP(endpoint->bmAttributes)) { 3589cbee358SKalle Valo if (ATH6KL_USB_IS_DIR_IN(pipe->ep_address)) { 3599cbee358SKalle Valo pipe->usb_pipe_handle = 3609cbee358SKalle Valo usb_rcvbulkpipe(ar_usb->udev, 3619cbee358SKalle Valo pipe->ep_address); 3629cbee358SKalle Valo } else { 3639cbee358SKalle Valo pipe->usb_pipe_handle = 3649cbee358SKalle Valo usb_sndbulkpipe(ar_usb->udev, 3659cbee358SKalle Valo pipe->ep_address); 3669cbee358SKalle Valo } 3679cbee358SKalle Valo } else if (ATH6KL_USB_IS_INT_EP(endpoint->bmAttributes)) { 3689cbee358SKalle Valo if (ATH6KL_USB_IS_DIR_IN(pipe->ep_address)) { 3699cbee358SKalle Valo pipe->usb_pipe_handle = 3709cbee358SKalle Valo usb_rcvintpipe(ar_usb->udev, 3719cbee358SKalle Valo pipe->ep_address); 3729cbee358SKalle Valo } else { 3739cbee358SKalle Valo pipe->usb_pipe_handle = 3749cbee358SKalle Valo usb_sndintpipe(ar_usb->udev, 3759cbee358SKalle Valo pipe->ep_address); 3769cbee358SKalle Valo } 3779cbee358SKalle Valo } else if (ATH6KL_USB_IS_ISOC_EP(endpoint->bmAttributes)) { 3789cbee358SKalle Valo /* TODO for ISO */ 3799cbee358SKalle Valo if (ATH6KL_USB_IS_DIR_IN(pipe->ep_address)) { 3809cbee358SKalle Valo pipe->usb_pipe_handle = 3819cbee358SKalle Valo usb_rcvisocpipe(ar_usb->udev, 3829cbee358SKalle Valo pipe->ep_address); 3839cbee358SKalle Valo } else { 3849cbee358SKalle Valo pipe->usb_pipe_handle = 3859cbee358SKalle Valo usb_sndisocpipe(ar_usb->udev, 3869cbee358SKalle Valo pipe->ep_address); 3879cbee358SKalle Valo } 3889cbee358SKalle Valo } 3899cbee358SKalle Valo 3909cbee358SKalle Valo pipe->ep_desc = endpoint; 3919cbee358SKalle Valo 3929cbee358SKalle Valo if (!ATH6KL_USB_IS_DIR_IN(pipe->ep_address)) 3939cbee358SKalle Valo pipe->flags |= ATH6KL_USB_PIPE_FLAG_TX; 3949cbee358SKalle Valo 3959cbee358SKalle Valo status = ath6kl_usb_alloc_pipe_resources(pipe, urbcount); 3969cbee358SKalle Valo if (status != 0) 3979cbee358SKalle Valo break; 3989cbee358SKalle Valo } 3999cbee358SKalle Valo 4009cbee358SKalle Valo return status; 4019cbee358SKalle Valo } 4029cbee358SKalle Valo 4039cbee358SKalle Valo /* pipe operations */ 4049cbee358SKalle Valo static void ath6kl_usb_post_recv_transfers(struct ath6kl_usb_pipe *recv_pipe, 4059cbee358SKalle Valo int buffer_length) 4069cbee358SKalle Valo { 4079cbee358SKalle Valo struct ath6kl_urb_context *urb_context; 4089cbee358SKalle Valo struct urb *urb; 4099cbee358SKalle Valo int usb_status; 4109cbee358SKalle Valo 4119cbee358SKalle Valo while (true) { 4129cbee358SKalle Valo urb_context = ath6kl_usb_alloc_urb_from_pipe(recv_pipe); 4139cbee358SKalle Valo if (urb_context == NULL) 4149cbee358SKalle Valo break; 4159cbee358SKalle Valo 4169cbee358SKalle Valo urb_context->skb = dev_alloc_skb(buffer_length); 4179cbee358SKalle Valo if (urb_context->skb == NULL) 4189cbee358SKalle Valo goto err_cleanup_urb; 4199cbee358SKalle Valo 4209cbee358SKalle Valo urb = usb_alloc_urb(0, GFP_ATOMIC); 4219cbee358SKalle Valo if (urb == NULL) 4229cbee358SKalle Valo goto err_cleanup_urb; 4239cbee358SKalle Valo 4249cbee358SKalle Valo usb_fill_bulk_urb(urb, 4259cbee358SKalle Valo recv_pipe->ar_usb->udev, 4269cbee358SKalle Valo recv_pipe->usb_pipe_handle, 4279cbee358SKalle Valo urb_context->skb->data, 4289cbee358SKalle Valo buffer_length, 4299cbee358SKalle Valo ath6kl_usb_recv_complete, urb_context); 4309cbee358SKalle Valo 4319cbee358SKalle Valo ath6kl_dbg(ATH6KL_DBG_USB_BULK, 4329cbee358SKalle Valo "ath6kl usb: bulk recv submit:%d, 0x%X (ep:0x%2.2X), %d bytes buf:0x%p\n", 4339cbee358SKalle Valo recv_pipe->logical_pipe_num, 4349cbee358SKalle Valo recv_pipe->usb_pipe_handle, recv_pipe->ep_address, 4359cbee358SKalle Valo buffer_length, urb_context->skb); 4369cbee358SKalle Valo 4379cbee358SKalle Valo usb_anchor_urb(urb, &recv_pipe->urb_submitted); 4389cbee358SKalle Valo usb_status = usb_submit_urb(urb, GFP_ATOMIC); 4399cbee358SKalle Valo 4409cbee358SKalle Valo if (usb_status) { 4419cbee358SKalle Valo ath6kl_dbg(ATH6KL_DBG_USB_BULK, 4429cbee358SKalle Valo "ath6kl usb : usb bulk recv failed %d\n", 4439cbee358SKalle Valo usb_status); 4449cbee358SKalle Valo usb_unanchor_urb(urb); 4459cbee358SKalle Valo usb_free_urb(urb); 4469cbee358SKalle Valo goto err_cleanup_urb; 4479cbee358SKalle Valo } 4489cbee358SKalle Valo usb_free_urb(urb); 4499cbee358SKalle Valo } 4509cbee358SKalle Valo return; 4519cbee358SKalle Valo 4529cbee358SKalle Valo err_cleanup_urb: 4539cbee358SKalle Valo ath6kl_usb_cleanup_recv_urb(urb_context); 4549cbee358SKalle Valo return; 4559cbee358SKalle Valo } 4569cbee358SKalle Valo 4579cbee358SKalle Valo static void ath6kl_usb_flush_all(struct ath6kl_usb *ar_usb) 4589cbee358SKalle Valo { 4599cbee358SKalle Valo int i; 4609cbee358SKalle Valo 4619cbee358SKalle Valo for (i = 0; i < ATH6KL_USB_PIPE_MAX; i++) { 4629cbee358SKalle Valo if (ar_usb->pipes[i].ar_usb != NULL) 4639cbee358SKalle Valo usb_kill_anchored_urbs(&ar_usb->pipes[i].urb_submitted); 4649cbee358SKalle Valo } 4659cbee358SKalle Valo 4669cbee358SKalle Valo /* 4679cbee358SKalle Valo * Flushing any pending I/O may schedule work this call will block 4689cbee358SKalle Valo * until all scheduled work runs to completion. 4699cbee358SKalle Valo */ 4709cbee358SKalle Valo flush_scheduled_work(); 4719cbee358SKalle Valo } 4729cbee358SKalle Valo 4739cbee358SKalle Valo static void ath6kl_usb_start_recv_pipes(struct ath6kl_usb *ar_usb) 4749cbee358SKalle Valo { 4759cbee358SKalle Valo /* 4769cbee358SKalle Valo * note: control pipe is no longer used 4779cbee358SKalle Valo * ar_usb->pipes[ATH6KL_USB_PIPE_RX_CTRL].urb_cnt_thresh = 4789cbee358SKalle Valo * ar_usb->pipes[ATH6KL_USB_PIPE_RX_CTRL].urb_alloc/2; 4799cbee358SKalle Valo * ath6kl_usb_post_recv_transfers(&ar_usb-> 4809cbee358SKalle Valo * pipes[ATH6KL_USB_PIPE_RX_CTRL], 4819cbee358SKalle Valo * ATH6KL_USB_RX_BUFFER_SIZE); 4829cbee358SKalle Valo */ 4839cbee358SKalle Valo 4849cbee358SKalle Valo ar_usb->pipes[ATH6KL_USB_PIPE_RX_DATA].urb_cnt_thresh = 4859cbee358SKalle Valo ar_usb->pipes[ATH6KL_USB_PIPE_RX_DATA].urb_alloc / 2; 4869cbee358SKalle Valo ath6kl_usb_post_recv_transfers(&ar_usb->pipes[ATH6KL_USB_PIPE_RX_DATA], 4879cbee358SKalle Valo ATH6KL_USB_RX_BUFFER_SIZE); 4889cbee358SKalle Valo } 4899cbee358SKalle Valo 4909cbee358SKalle Valo /* hif usb rx/tx completion functions */ 4919cbee358SKalle Valo static void ath6kl_usb_recv_complete(struct urb *urb) 4929cbee358SKalle Valo { 4939cbee358SKalle Valo struct ath6kl_urb_context *urb_context = urb->context; 4949cbee358SKalle Valo struct ath6kl_usb_pipe *pipe = urb_context->pipe; 4959cbee358SKalle Valo struct sk_buff *skb = NULL; 4969cbee358SKalle Valo int status = 0; 4979cbee358SKalle Valo 4989cbee358SKalle Valo ath6kl_dbg(ATH6KL_DBG_USB_BULK, 4999cbee358SKalle Valo "%s: recv pipe: %d, stat:%d, len:%d urb:0x%p\n", __func__, 5009cbee358SKalle Valo pipe->logical_pipe_num, urb->status, urb->actual_length, 5019cbee358SKalle Valo urb); 5029cbee358SKalle Valo 5039cbee358SKalle Valo if (urb->status != 0) { 5049cbee358SKalle Valo status = -EIO; 5059cbee358SKalle Valo switch (urb->status) { 5069cbee358SKalle Valo case -ECONNRESET: 5079cbee358SKalle Valo case -ENOENT: 5089cbee358SKalle Valo case -ESHUTDOWN: 5099cbee358SKalle Valo /* 5109cbee358SKalle Valo * no need to spew these errors when device 5119cbee358SKalle Valo * removed or urb killed due to driver shutdown 5129cbee358SKalle Valo */ 5139cbee358SKalle Valo status = -ECANCELED; 5149cbee358SKalle Valo break; 5159cbee358SKalle Valo default: 5169cbee358SKalle Valo ath6kl_dbg(ATH6KL_DBG_USB_BULK, 5179cbee358SKalle Valo "%s recv pipe: %d (ep:0x%2.2X), failed:%d\n", 5189cbee358SKalle Valo __func__, pipe->logical_pipe_num, 5199cbee358SKalle Valo pipe->ep_address, urb->status); 5209cbee358SKalle Valo break; 5219cbee358SKalle Valo } 5229cbee358SKalle Valo goto cleanup_recv_urb; 5239cbee358SKalle Valo } 5249cbee358SKalle Valo 5259cbee358SKalle Valo if (urb->actual_length == 0) 5269cbee358SKalle Valo goto cleanup_recv_urb; 5279cbee358SKalle Valo 5289cbee358SKalle Valo skb = urb_context->skb; 5299cbee358SKalle Valo 5309cbee358SKalle Valo /* we are going to pass it up */ 5319cbee358SKalle Valo urb_context->skb = NULL; 5329cbee358SKalle Valo skb_put(skb, urb->actual_length); 5339cbee358SKalle Valo 5349cbee358SKalle Valo /* note: queue implements a lock */ 5359cbee358SKalle Valo skb_queue_tail(&pipe->io_comp_queue, skb); 5369cbee358SKalle Valo schedule_work(&pipe->io_complete_work); 5379cbee358SKalle Valo 5389cbee358SKalle Valo cleanup_recv_urb: 5399cbee358SKalle Valo ath6kl_usb_cleanup_recv_urb(urb_context); 5409cbee358SKalle Valo 5419cbee358SKalle Valo if (status == 0 && 5429cbee358SKalle Valo pipe->urb_cnt >= pipe->urb_cnt_thresh) { 5439cbee358SKalle Valo /* our free urbs are piling up, post more transfers */ 5449cbee358SKalle Valo ath6kl_usb_post_recv_transfers(pipe, ATH6KL_USB_RX_BUFFER_SIZE); 5459cbee358SKalle Valo } 5469cbee358SKalle Valo } 5479cbee358SKalle Valo 5489cbee358SKalle Valo static void ath6kl_usb_usb_transmit_complete(struct urb *urb) 5499cbee358SKalle Valo { 5509cbee358SKalle Valo struct ath6kl_urb_context *urb_context = urb->context; 5519cbee358SKalle Valo struct ath6kl_usb_pipe *pipe = urb_context->pipe; 5529cbee358SKalle Valo struct sk_buff *skb; 5539cbee358SKalle Valo 5549cbee358SKalle Valo ath6kl_dbg(ATH6KL_DBG_USB_BULK, 5559cbee358SKalle Valo "%s: pipe: %d, stat:%d, len:%d\n", 5569cbee358SKalle Valo __func__, pipe->logical_pipe_num, urb->status, 5579cbee358SKalle Valo urb->actual_length); 5589cbee358SKalle Valo 5599cbee358SKalle Valo if (urb->status != 0) { 5609cbee358SKalle Valo ath6kl_dbg(ATH6KL_DBG_USB_BULK, 5619cbee358SKalle Valo "%s: pipe: %d, failed:%d\n", 5629cbee358SKalle Valo __func__, pipe->logical_pipe_num, urb->status); 5639cbee358SKalle Valo } 5649cbee358SKalle Valo 5659cbee358SKalle Valo skb = urb_context->skb; 5669cbee358SKalle Valo urb_context->skb = NULL; 5679cbee358SKalle Valo ath6kl_usb_free_urb_to_pipe(urb_context->pipe, urb_context); 5689cbee358SKalle Valo 5699cbee358SKalle Valo /* note: queue implements a lock */ 5709cbee358SKalle Valo skb_queue_tail(&pipe->io_comp_queue, skb); 5719cbee358SKalle Valo schedule_work(&pipe->io_complete_work); 5729cbee358SKalle Valo } 5739cbee358SKalle Valo 5749cbee358SKalle Valo static void ath6kl_usb_io_comp_work(struct work_struct *work) 5759cbee358SKalle Valo { 5769cbee358SKalle Valo struct ath6kl_usb_pipe *pipe = container_of(work, 5779cbee358SKalle Valo struct ath6kl_usb_pipe, 5789cbee358SKalle Valo io_complete_work); 5799cbee358SKalle Valo struct ath6kl_usb *ar_usb; 5809cbee358SKalle Valo struct sk_buff *skb; 5819cbee358SKalle Valo 5829cbee358SKalle Valo ar_usb = pipe->ar_usb; 5839cbee358SKalle Valo 5849cbee358SKalle Valo while ((skb = skb_dequeue(&pipe->io_comp_queue))) { 5859cbee358SKalle Valo if (pipe->flags & ATH6KL_USB_PIPE_FLAG_TX) { 5869cbee358SKalle Valo ath6kl_dbg(ATH6KL_DBG_USB_BULK, 5879cbee358SKalle Valo "ath6kl usb xmit callback buf:0x%p\n", skb); 5889cbee358SKalle Valo ath6kl_core_tx_complete(ar_usb->ar, skb); 5899cbee358SKalle Valo } else { 5909cbee358SKalle Valo ath6kl_dbg(ATH6KL_DBG_USB_BULK, 5919cbee358SKalle Valo "ath6kl usb recv callback buf:0x%p\n", skb); 5929cbee358SKalle Valo ath6kl_core_rx_complete(ar_usb->ar, skb, 5939cbee358SKalle Valo pipe->logical_pipe_num); 5949cbee358SKalle Valo } 5959cbee358SKalle Valo } 5969cbee358SKalle Valo } 5979cbee358SKalle Valo 598241b128bSKalle Valo #define ATH6KL_USB_MAX_DIAG_CMD (sizeof(struct ath6kl_usb_ctrl_diag_cmd_write)) 599241b128bSKalle Valo #define ATH6KL_USB_MAX_DIAG_RESP (sizeof(struct ath6kl_usb_ctrl_diag_resp_read)) 600241b128bSKalle Valo 601241b128bSKalle Valo static void ath6kl_usb_destroy(struct ath6kl_usb *ar_usb) 602241b128bSKalle Valo { 6039cbee358SKalle Valo ath6kl_usb_flush_all(ar_usb); 6049cbee358SKalle Valo 6059cbee358SKalle Valo ath6kl_usb_cleanup_pipe_resources(ar_usb); 6069cbee358SKalle Valo 607241b128bSKalle Valo usb_set_intfdata(ar_usb->interface, NULL); 608241b128bSKalle Valo 609241b128bSKalle Valo kfree(ar_usb->diag_cmd_buffer); 610241b128bSKalle Valo kfree(ar_usb->diag_resp_buffer); 611241b128bSKalle Valo 612241b128bSKalle Valo kfree(ar_usb); 613241b128bSKalle Valo } 614241b128bSKalle Valo 615241b128bSKalle Valo static struct ath6kl_usb *ath6kl_usb_create(struct usb_interface *interface) 616241b128bSKalle Valo { 617241b128bSKalle Valo struct usb_device *dev = interface_to_usbdev(interface); 6189cbee358SKalle Valo struct ath6kl_usb *ar_usb; 6199cbee358SKalle Valo struct ath6kl_usb_pipe *pipe; 620241b128bSKalle Valo int status = 0; 6219cbee358SKalle Valo int i; 622241b128bSKalle Valo 623241b128bSKalle Valo ar_usb = kzalloc(sizeof(struct ath6kl_usb), GFP_KERNEL); 624241b128bSKalle Valo if (ar_usb == NULL) 625241b128bSKalle Valo goto fail_ath6kl_usb_create; 626241b128bSKalle Valo 627241b128bSKalle Valo usb_set_intfdata(interface, ar_usb); 6289cbee358SKalle Valo spin_lock_init(&(ar_usb->cs_lock)); 629241b128bSKalle Valo ar_usb->udev = dev; 630241b128bSKalle Valo ar_usb->interface = interface; 631241b128bSKalle Valo 6329cbee358SKalle Valo for (i = 0; i < ATH6KL_USB_PIPE_MAX; i++) { 6339cbee358SKalle Valo pipe = &ar_usb->pipes[i]; 6349cbee358SKalle Valo INIT_WORK(&pipe->io_complete_work, 6359cbee358SKalle Valo ath6kl_usb_io_comp_work); 6369cbee358SKalle Valo skb_queue_head_init(&pipe->io_comp_queue); 6379cbee358SKalle Valo } 6389cbee358SKalle Valo 639241b128bSKalle Valo ar_usb->diag_cmd_buffer = kzalloc(ATH6KL_USB_MAX_DIAG_CMD, GFP_KERNEL); 640241b128bSKalle Valo if (ar_usb->diag_cmd_buffer == NULL) { 641241b128bSKalle Valo status = -ENOMEM; 642241b128bSKalle Valo goto fail_ath6kl_usb_create; 643241b128bSKalle Valo } 644241b128bSKalle Valo 645241b128bSKalle Valo ar_usb->diag_resp_buffer = kzalloc(ATH6KL_USB_MAX_DIAG_RESP, 646241b128bSKalle Valo GFP_KERNEL); 647241b128bSKalle Valo if (ar_usb->diag_resp_buffer == NULL) { 648241b128bSKalle Valo status = -ENOMEM; 649241b128bSKalle Valo goto fail_ath6kl_usb_create; 650241b128bSKalle Valo } 651241b128bSKalle Valo 6529cbee358SKalle Valo status = ath6kl_usb_setup_pipe_resources(ar_usb); 6539cbee358SKalle Valo 654241b128bSKalle Valo fail_ath6kl_usb_create: 655241b128bSKalle Valo if (status != 0) { 656241b128bSKalle Valo ath6kl_usb_destroy(ar_usb); 657241b128bSKalle Valo ar_usb = NULL; 658241b128bSKalle Valo } 659241b128bSKalle Valo return ar_usb; 660241b128bSKalle Valo } 661241b128bSKalle Valo 662241b128bSKalle Valo static void ath6kl_usb_device_detached(struct usb_interface *interface) 663241b128bSKalle Valo { 664241b128bSKalle Valo struct ath6kl_usb *ar_usb; 665241b128bSKalle Valo 666241b128bSKalle Valo ar_usb = usb_get_intfdata(interface); 667241b128bSKalle Valo if (ar_usb == NULL) 668241b128bSKalle Valo return; 669241b128bSKalle Valo 670241b128bSKalle Valo ath6kl_stop_txrx(ar_usb->ar); 671241b128bSKalle Valo 6729cbee358SKalle Valo /* Delay to wait for the target to reboot */ 6739cbee358SKalle Valo mdelay(20); 674241b128bSKalle Valo ath6kl_core_cleanup(ar_usb->ar); 675241b128bSKalle Valo ath6kl_usb_destroy(ar_usb); 676241b128bSKalle Valo } 677241b128bSKalle Valo 6789cbee358SKalle Valo /* exported hif usb APIs for htc pipe */ 6799cbee358SKalle Valo static void hif_start(struct ath6kl *ar) 6809cbee358SKalle Valo { 6819cbee358SKalle Valo struct ath6kl_usb *device = ath6kl_usb_priv(ar); 6829cbee358SKalle Valo int i; 6839cbee358SKalle Valo 6849cbee358SKalle Valo ath6kl_usb_start_recv_pipes(device); 6859cbee358SKalle Valo 6869cbee358SKalle Valo /* set the TX resource avail threshold for each TX pipe */ 6879cbee358SKalle Valo for (i = ATH6KL_USB_PIPE_TX_CTRL; 6889cbee358SKalle Valo i <= ATH6KL_USB_PIPE_TX_DATA_HP; i++) { 6899cbee358SKalle Valo device->pipes[i].urb_cnt_thresh = 6909cbee358SKalle Valo device->pipes[i].urb_alloc / 2; 6919cbee358SKalle Valo } 6929cbee358SKalle Valo } 6939cbee358SKalle Valo 6949cbee358SKalle Valo static int ath6kl_usb_send(struct ath6kl *ar, u8 PipeID, 6959cbee358SKalle Valo struct sk_buff *hdr_skb, struct sk_buff *skb) 6969cbee358SKalle Valo { 6979cbee358SKalle Valo struct ath6kl_usb *device = ath6kl_usb_priv(ar); 6989cbee358SKalle Valo struct ath6kl_usb_pipe *pipe = &device->pipes[PipeID]; 6999cbee358SKalle Valo struct ath6kl_urb_context *urb_context; 7009cbee358SKalle Valo int usb_status, status = 0; 7019cbee358SKalle Valo struct urb *urb; 7029cbee358SKalle Valo u8 *data; 7039cbee358SKalle Valo u32 len; 7049cbee358SKalle Valo 7059cbee358SKalle Valo ath6kl_dbg(ATH6KL_DBG_USB_BULK, "+%s pipe : %d, buf:0x%p\n", 7069cbee358SKalle Valo __func__, PipeID, skb); 7079cbee358SKalle Valo 7089cbee358SKalle Valo urb_context = ath6kl_usb_alloc_urb_from_pipe(pipe); 7099cbee358SKalle Valo 7109cbee358SKalle Valo if (urb_context == NULL) { 7119cbee358SKalle Valo /* 7129cbee358SKalle Valo * TODO: it is possible to run out of urbs if 7139cbee358SKalle Valo * 2 endpoints map to the same pipe ID 7149cbee358SKalle Valo */ 7159cbee358SKalle Valo ath6kl_dbg(ATH6KL_DBG_USB_BULK, 7169cbee358SKalle Valo "%s pipe:%d no urbs left. URB Cnt : %d\n", 7179cbee358SKalle Valo __func__, PipeID, pipe->urb_cnt); 7189cbee358SKalle Valo status = -ENOMEM; 7199cbee358SKalle Valo goto fail_hif_send; 7209cbee358SKalle Valo } 7219cbee358SKalle Valo 7229cbee358SKalle Valo urb_context->skb = skb; 7239cbee358SKalle Valo 7249cbee358SKalle Valo data = skb->data; 7259cbee358SKalle Valo len = skb->len; 7269cbee358SKalle Valo 7279cbee358SKalle Valo urb = usb_alloc_urb(0, GFP_ATOMIC); 7289cbee358SKalle Valo if (urb == NULL) { 7299cbee358SKalle Valo status = -ENOMEM; 7309cbee358SKalle Valo ath6kl_usb_free_urb_to_pipe(urb_context->pipe, 7319cbee358SKalle Valo urb_context); 7329cbee358SKalle Valo goto fail_hif_send; 7339cbee358SKalle Valo } 7349cbee358SKalle Valo 7359cbee358SKalle Valo usb_fill_bulk_urb(urb, 7369cbee358SKalle Valo device->udev, 7379cbee358SKalle Valo pipe->usb_pipe_handle, 7389cbee358SKalle Valo data, 7399cbee358SKalle Valo len, 7409cbee358SKalle Valo ath6kl_usb_usb_transmit_complete, urb_context); 7419cbee358SKalle Valo 7429cbee358SKalle Valo if ((len % pipe->max_packet_size) == 0) { 7439cbee358SKalle Valo /* hit a max packet boundary on this pipe */ 7449cbee358SKalle Valo urb->transfer_flags |= URB_ZERO_PACKET; 7459cbee358SKalle Valo } 7469cbee358SKalle Valo 7479cbee358SKalle Valo ath6kl_dbg(ATH6KL_DBG_USB_BULK, 7489cbee358SKalle Valo "athusb bulk send submit:%d, 0x%X (ep:0x%2.2X), %d bytes\n", 7499cbee358SKalle Valo pipe->logical_pipe_num, pipe->usb_pipe_handle, 7509cbee358SKalle Valo pipe->ep_address, len); 7519cbee358SKalle Valo 7529cbee358SKalle Valo usb_anchor_urb(urb, &pipe->urb_submitted); 7539cbee358SKalle Valo usb_status = usb_submit_urb(urb, GFP_ATOMIC); 7549cbee358SKalle Valo 7559cbee358SKalle Valo if (usb_status) { 7569cbee358SKalle Valo ath6kl_dbg(ATH6KL_DBG_USB_BULK, 7579cbee358SKalle Valo "ath6kl usb : usb bulk transmit failed %d\n", 7589cbee358SKalle Valo usb_status); 7599cbee358SKalle Valo usb_unanchor_urb(urb); 7609cbee358SKalle Valo ath6kl_usb_free_urb_to_pipe(urb_context->pipe, 7619cbee358SKalle Valo urb_context); 7629cbee358SKalle Valo status = -EINVAL; 7639cbee358SKalle Valo } 7649cbee358SKalle Valo usb_free_urb(urb); 7659cbee358SKalle Valo 7669cbee358SKalle Valo fail_hif_send: 7679cbee358SKalle Valo return status; 7689cbee358SKalle Valo } 7699cbee358SKalle Valo 7709cbee358SKalle Valo static void hif_stop(struct ath6kl *ar) 7719cbee358SKalle Valo { 7729cbee358SKalle Valo struct ath6kl_usb *device = ath6kl_usb_priv(ar); 7739cbee358SKalle Valo 7749cbee358SKalle Valo ath6kl_usb_flush_all(device); 7759cbee358SKalle Valo } 7769cbee358SKalle Valo 7779cbee358SKalle Valo static void ath6kl_usb_get_default_pipe(struct ath6kl *ar, 7789cbee358SKalle Valo u8 *ul_pipe, u8 *dl_pipe) 7799cbee358SKalle Valo { 7809cbee358SKalle Valo *ul_pipe = ATH6KL_USB_PIPE_TX_CTRL; 7819cbee358SKalle Valo *dl_pipe = ATH6KL_USB_PIPE_RX_CTRL; 7829cbee358SKalle Valo } 7839cbee358SKalle Valo 7849cbee358SKalle Valo static int ath6kl_usb_map_service_pipe(struct ath6kl *ar, u16 svc_id, 7859cbee358SKalle Valo u8 *ul_pipe, u8 *dl_pipe) 7869cbee358SKalle Valo { 7879cbee358SKalle Valo int status = 0; 7889cbee358SKalle Valo 7899cbee358SKalle Valo switch (svc_id) { 7909cbee358SKalle Valo case HTC_CTRL_RSVD_SVC: 7919cbee358SKalle Valo case WMI_CONTROL_SVC: 7929cbee358SKalle Valo *ul_pipe = ATH6KL_USB_PIPE_TX_CTRL; 7939cbee358SKalle Valo /* due to large control packets, shift to data pipe */ 7949cbee358SKalle Valo *dl_pipe = ATH6KL_USB_PIPE_RX_DATA; 7959cbee358SKalle Valo break; 7969cbee358SKalle Valo case WMI_DATA_BE_SVC: 7979cbee358SKalle Valo case WMI_DATA_BK_SVC: 7989cbee358SKalle Valo *ul_pipe = ATH6KL_USB_PIPE_TX_DATA_LP; 7999cbee358SKalle Valo /* 8009cbee358SKalle Valo * Disable rxdata2 directly, it will be enabled 8019cbee358SKalle Valo * if FW enable rxdata2 8029cbee358SKalle Valo */ 8039cbee358SKalle Valo *dl_pipe = ATH6KL_USB_PIPE_RX_DATA; 8049cbee358SKalle Valo break; 8059cbee358SKalle Valo case WMI_DATA_VI_SVC: 8069cbee358SKalle Valo *ul_pipe = ATH6KL_USB_PIPE_TX_DATA_MP; 8079cbee358SKalle Valo /* 8089cbee358SKalle Valo * Disable rxdata2 directly, it will be enabled 8099cbee358SKalle Valo * if FW enable rxdata2 8109cbee358SKalle Valo */ 8119cbee358SKalle Valo *dl_pipe = ATH6KL_USB_PIPE_RX_DATA; 8129cbee358SKalle Valo break; 8139cbee358SKalle Valo case WMI_DATA_VO_SVC: 8149cbee358SKalle Valo *ul_pipe = ATH6KL_USB_PIPE_TX_DATA_HP; 8159cbee358SKalle Valo /* 8169cbee358SKalle Valo * Disable rxdata2 directly, it will be enabled 8179cbee358SKalle Valo * if FW enable rxdata2 8189cbee358SKalle Valo */ 8199cbee358SKalle Valo *dl_pipe = ATH6KL_USB_PIPE_RX_DATA; 8209cbee358SKalle Valo break; 8219cbee358SKalle Valo default: 8229cbee358SKalle Valo status = -EPERM; 8239cbee358SKalle Valo break; 8249cbee358SKalle Valo } 8259cbee358SKalle Valo 8269cbee358SKalle Valo return status; 8279cbee358SKalle Valo } 8289cbee358SKalle Valo 8299cbee358SKalle Valo static u16 ath6kl_usb_get_free_queue_number(struct ath6kl *ar, u8 pipe_id) 8309cbee358SKalle Valo { 8319cbee358SKalle Valo struct ath6kl_usb *device = ath6kl_usb_priv(ar); 8329cbee358SKalle Valo 8339cbee358SKalle Valo return device->pipes[pipe_id].urb_cnt; 8349cbee358SKalle Valo } 8359cbee358SKalle Valo 8369cbee358SKalle Valo static void hif_detach_htc(struct ath6kl *ar) 8379cbee358SKalle Valo { 8389cbee358SKalle Valo struct ath6kl_usb *device = ath6kl_usb_priv(ar); 8399cbee358SKalle Valo 8409cbee358SKalle Valo ath6kl_usb_flush_all(device); 8419cbee358SKalle Valo } 8429cbee358SKalle Valo 843241b128bSKalle Valo static int ath6kl_usb_submit_ctrl_out(struct ath6kl_usb *ar_usb, 844241b128bSKalle Valo u8 req, u16 value, u16 index, void *data, 845241b128bSKalle Valo u32 size) 846241b128bSKalle Valo { 847241b128bSKalle Valo u8 *buf = NULL; 848241b128bSKalle Valo int ret; 849241b128bSKalle Valo 850241b128bSKalle Valo if (size > 0) { 851241b128bSKalle Valo buf = kmalloc(size, GFP_KERNEL); 852241b128bSKalle Valo if (buf == NULL) 853241b128bSKalle Valo return -ENOMEM; 854241b128bSKalle Valo 855241b128bSKalle Valo memcpy(buf, data, size); 856241b128bSKalle Valo } 857241b128bSKalle Valo 858241b128bSKalle Valo /* note: if successful returns number of bytes transfered */ 859241b128bSKalle Valo ret = usb_control_msg(ar_usb->udev, 860241b128bSKalle Valo usb_sndctrlpipe(ar_usb->udev, 0), 861241b128bSKalle Valo req, 862241b128bSKalle Valo USB_DIR_OUT | USB_TYPE_VENDOR | 863241b128bSKalle Valo USB_RECIP_DEVICE, value, index, buf, 864241b128bSKalle Valo size, 1000); 865241b128bSKalle Valo 866241b128bSKalle Valo if (ret < 0) { 867241b128bSKalle Valo ath6kl_dbg(ATH6KL_DBG_USB, "%s failed,result = %d\n", 868241b128bSKalle Valo __func__, ret); 869241b128bSKalle Valo } 870241b128bSKalle Valo 871241b128bSKalle Valo kfree(buf); 872241b128bSKalle Valo 873241b128bSKalle Valo return 0; 874241b128bSKalle Valo } 875241b128bSKalle Valo 876241b128bSKalle Valo static int ath6kl_usb_submit_ctrl_in(struct ath6kl_usb *ar_usb, 877241b128bSKalle Valo u8 req, u16 value, u16 index, void *data, 878241b128bSKalle Valo u32 size) 879241b128bSKalle Valo { 880241b128bSKalle Valo u8 *buf = NULL; 881241b128bSKalle Valo int ret; 882241b128bSKalle Valo 883241b128bSKalle Valo if (size > 0) { 884241b128bSKalle Valo buf = kmalloc(size, GFP_KERNEL); 885241b128bSKalle Valo if (buf == NULL) 886241b128bSKalle Valo return -ENOMEM; 887241b128bSKalle Valo } 888241b128bSKalle Valo 889241b128bSKalle Valo /* note: if successful returns number of bytes transfered */ 890241b128bSKalle Valo ret = usb_control_msg(ar_usb->udev, 891241b128bSKalle Valo usb_rcvctrlpipe(ar_usb->udev, 0), 892241b128bSKalle Valo req, 893241b128bSKalle Valo USB_DIR_IN | USB_TYPE_VENDOR | 894241b128bSKalle Valo USB_RECIP_DEVICE, value, index, buf, 895241b128bSKalle Valo size, 2 * HZ); 896241b128bSKalle Valo 897241b128bSKalle Valo if (ret < 0) { 898241b128bSKalle Valo ath6kl_dbg(ATH6KL_DBG_USB, "%s failed,result = %d\n", 899241b128bSKalle Valo __func__, ret); 900241b128bSKalle Valo } 901241b128bSKalle Valo 902241b128bSKalle Valo memcpy((u8 *) data, buf, size); 903241b128bSKalle Valo 904241b128bSKalle Valo kfree(buf); 905241b128bSKalle Valo 906241b128bSKalle Valo return 0; 907241b128bSKalle Valo } 908241b128bSKalle Valo 909241b128bSKalle Valo static int ath6kl_usb_ctrl_msg_exchange(struct ath6kl_usb *ar_usb, 910241b128bSKalle Valo u8 req_val, u8 *req_buf, u32 req_len, 911241b128bSKalle Valo u8 resp_val, u8 *resp_buf, u32 *resp_len) 912241b128bSKalle Valo { 913241b128bSKalle Valo int ret; 914241b128bSKalle Valo 915241b128bSKalle Valo /* send command */ 916241b128bSKalle Valo ret = ath6kl_usb_submit_ctrl_out(ar_usb, req_val, 0, 0, 917241b128bSKalle Valo req_buf, req_len); 918241b128bSKalle Valo 919241b128bSKalle Valo if (ret != 0) 920241b128bSKalle Valo return ret; 921241b128bSKalle Valo 922241b128bSKalle Valo if (resp_buf == NULL) { 923241b128bSKalle Valo /* no expected response */ 924241b128bSKalle Valo return ret; 925241b128bSKalle Valo } 926241b128bSKalle Valo 927241b128bSKalle Valo /* get response */ 928241b128bSKalle Valo ret = ath6kl_usb_submit_ctrl_in(ar_usb, resp_val, 0, 0, 929241b128bSKalle Valo resp_buf, *resp_len); 930241b128bSKalle Valo 931241b128bSKalle Valo return ret; 932241b128bSKalle Valo } 933241b128bSKalle Valo 934241b128bSKalle Valo static int ath6kl_usb_diag_read32(struct ath6kl *ar, u32 address, u32 *data) 935241b128bSKalle Valo { 936241b128bSKalle Valo struct ath6kl_usb *ar_usb = ar->hif_priv; 937241b128bSKalle Valo struct ath6kl_usb_ctrl_diag_resp_read *resp; 938241b128bSKalle Valo struct ath6kl_usb_ctrl_diag_cmd_read *cmd; 939241b128bSKalle Valo u32 resp_len; 940241b128bSKalle Valo int ret; 941241b128bSKalle Valo 942241b128bSKalle Valo cmd = (struct ath6kl_usb_ctrl_diag_cmd_read *) ar_usb->diag_cmd_buffer; 943241b128bSKalle Valo 944241b128bSKalle Valo memset(cmd, 0, sizeof(*cmd)); 945241b128bSKalle Valo cmd->cmd = ATH6KL_USB_CTRL_DIAG_CC_READ; 946241b128bSKalle Valo cmd->address = cpu_to_le32(address); 947241b128bSKalle Valo resp_len = sizeof(*resp); 948241b128bSKalle Valo 949241b128bSKalle Valo ret = ath6kl_usb_ctrl_msg_exchange(ar_usb, 950241b128bSKalle Valo ATH6KL_USB_CONTROL_REQ_DIAG_CMD, 951241b128bSKalle Valo (u8 *) cmd, 952241b128bSKalle Valo sizeof(struct ath6kl_usb_ctrl_diag_cmd_write), 953241b128bSKalle Valo ATH6KL_USB_CONTROL_REQ_DIAG_RESP, 954241b128bSKalle Valo ar_usb->diag_resp_buffer, &resp_len); 955241b128bSKalle Valo 956241b128bSKalle Valo if (ret) 957241b128bSKalle Valo return ret; 958241b128bSKalle Valo 959241b128bSKalle Valo resp = (struct ath6kl_usb_ctrl_diag_resp_read *) 960241b128bSKalle Valo ar_usb->diag_resp_buffer; 961241b128bSKalle Valo 962241b128bSKalle Valo *data = le32_to_cpu(resp->value); 963241b128bSKalle Valo 964241b128bSKalle Valo return ret; 965241b128bSKalle Valo } 966241b128bSKalle Valo 967241b128bSKalle Valo static int ath6kl_usb_diag_write32(struct ath6kl *ar, u32 address, __le32 data) 968241b128bSKalle Valo { 969241b128bSKalle Valo struct ath6kl_usb *ar_usb = ar->hif_priv; 970241b128bSKalle Valo struct ath6kl_usb_ctrl_diag_cmd_write *cmd; 971241b128bSKalle Valo 972241b128bSKalle Valo cmd = (struct ath6kl_usb_ctrl_diag_cmd_write *) ar_usb->diag_cmd_buffer; 973241b128bSKalle Valo 974241b128bSKalle Valo memset(cmd, 0, sizeof(struct ath6kl_usb_ctrl_diag_cmd_write)); 975241b128bSKalle Valo cmd->cmd = cpu_to_le32(ATH6KL_USB_CTRL_DIAG_CC_WRITE); 976241b128bSKalle Valo cmd->address = cpu_to_le32(address); 977241b128bSKalle Valo cmd->value = data; 978241b128bSKalle Valo 979241b128bSKalle Valo return ath6kl_usb_ctrl_msg_exchange(ar_usb, 980241b128bSKalle Valo ATH6KL_USB_CONTROL_REQ_DIAG_CMD, 981241b128bSKalle Valo (u8 *) cmd, 982241b128bSKalle Valo sizeof(*cmd), 983241b128bSKalle Valo 0, NULL, NULL); 984241b128bSKalle Valo 985241b128bSKalle Valo } 986241b128bSKalle Valo 987241b128bSKalle Valo static int ath6kl_usb_bmi_read(struct ath6kl *ar, u8 *buf, u32 len) 988241b128bSKalle Valo { 989241b128bSKalle Valo struct ath6kl_usb *ar_usb = ar->hif_priv; 990241b128bSKalle Valo int ret; 991241b128bSKalle Valo 992241b128bSKalle Valo /* get response */ 993241b128bSKalle Valo ret = ath6kl_usb_submit_ctrl_in(ar_usb, 994241b128bSKalle Valo ATH6KL_USB_CONTROL_REQ_RECV_BMI_RESP, 995241b128bSKalle Valo 0, 0, buf, len); 996241b128bSKalle Valo if (ret != 0) { 997241b128bSKalle Valo ath6kl_err("Unable to read the bmi data from the device: %d\n", 998241b128bSKalle Valo ret); 999241b128bSKalle Valo return ret; 1000241b128bSKalle Valo } 1001241b128bSKalle Valo 1002241b128bSKalle Valo return 0; 1003241b128bSKalle Valo } 1004241b128bSKalle Valo 1005241b128bSKalle Valo static int ath6kl_usb_bmi_write(struct ath6kl *ar, u8 *buf, u32 len) 1006241b128bSKalle Valo { 1007241b128bSKalle Valo struct ath6kl_usb *ar_usb = ar->hif_priv; 1008241b128bSKalle Valo int ret; 1009241b128bSKalle Valo 1010241b128bSKalle Valo /* send command */ 1011241b128bSKalle Valo ret = ath6kl_usb_submit_ctrl_out(ar_usb, 1012241b128bSKalle Valo ATH6KL_USB_CONTROL_REQ_SEND_BMI_CMD, 1013241b128bSKalle Valo 0, 0, buf, len); 1014241b128bSKalle Valo if (ret != 0) { 1015241b128bSKalle Valo ath6kl_err("unable to send the bmi data to the device: %d\n", 1016241b128bSKalle Valo ret); 1017241b128bSKalle Valo return ret; 1018241b128bSKalle Valo } 1019241b128bSKalle Valo 1020241b128bSKalle Valo return 0; 1021241b128bSKalle Valo } 1022241b128bSKalle Valo 1023241b128bSKalle Valo static int ath6kl_usb_power_on(struct ath6kl *ar) 1024241b128bSKalle Valo { 10259cbee358SKalle Valo hif_start(ar); 1026241b128bSKalle Valo return 0; 1027241b128bSKalle Valo } 1028241b128bSKalle Valo 1029241b128bSKalle Valo static int ath6kl_usb_power_off(struct ath6kl *ar) 1030241b128bSKalle Valo { 10319cbee358SKalle Valo hif_detach_htc(ar); 1032241b128bSKalle Valo return 0; 1033241b128bSKalle Valo } 1034241b128bSKalle Valo 10359cbee358SKalle Valo static void ath6kl_usb_stop(struct ath6kl *ar) 10369cbee358SKalle Valo { 10379cbee358SKalle Valo hif_stop(ar); 10389cbee358SKalle Valo } 10399cbee358SKalle Valo 1040241b128bSKalle Valo static const struct ath6kl_hif_ops ath6kl_usb_ops = { 1041241b128bSKalle Valo .diag_read32 = ath6kl_usb_diag_read32, 1042241b128bSKalle Valo .diag_write32 = ath6kl_usb_diag_write32, 1043241b128bSKalle Valo .bmi_read = ath6kl_usb_bmi_read, 1044241b128bSKalle Valo .bmi_write = ath6kl_usb_bmi_write, 1045241b128bSKalle Valo .power_on = ath6kl_usb_power_on, 1046241b128bSKalle Valo .power_off = ath6kl_usb_power_off, 10479cbee358SKalle Valo .stop = ath6kl_usb_stop, 10489cbee358SKalle Valo .pipe_send = ath6kl_usb_send, 10499cbee358SKalle Valo .pipe_get_default = ath6kl_usb_get_default_pipe, 10509cbee358SKalle Valo .pipe_map_service = ath6kl_usb_map_service_pipe, 10519cbee358SKalle Valo .pipe_get_free_queue_number = ath6kl_usb_get_free_queue_number, 1052241b128bSKalle Valo }; 1053241b128bSKalle Valo 1054241b128bSKalle Valo /* ath6kl usb driver registered functions */ 1055241b128bSKalle Valo static int ath6kl_usb_probe(struct usb_interface *interface, 1056241b128bSKalle Valo const struct usb_device_id *id) 1057241b128bSKalle Valo { 1058241b128bSKalle Valo struct usb_device *dev = interface_to_usbdev(interface); 1059241b128bSKalle Valo struct ath6kl *ar; 1060241b128bSKalle Valo struct ath6kl_usb *ar_usb = NULL; 1061241b128bSKalle Valo int vendor_id, product_id; 1062241b128bSKalle Valo int ret = 0; 1063241b128bSKalle Valo 1064241b128bSKalle Valo usb_get_dev(dev); 1065241b128bSKalle Valo 1066241b128bSKalle Valo vendor_id = le16_to_cpu(dev->descriptor.idVendor); 1067241b128bSKalle Valo product_id = le16_to_cpu(dev->descriptor.idProduct); 1068241b128bSKalle Valo 1069241b128bSKalle Valo ath6kl_dbg(ATH6KL_DBG_USB, "vendor_id = %04x\n", vendor_id); 1070241b128bSKalle Valo ath6kl_dbg(ATH6KL_DBG_USB, "product_id = %04x\n", product_id); 1071241b128bSKalle Valo 1072241b128bSKalle Valo if (interface->cur_altsetting) 1073241b128bSKalle Valo ath6kl_dbg(ATH6KL_DBG_USB, "USB Interface %d\n", 1074241b128bSKalle Valo interface->cur_altsetting->desc.bInterfaceNumber); 1075241b128bSKalle Valo 1076241b128bSKalle Valo 1077241b128bSKalle Valo if (dev->speed == USB_SPEED_HIGH) 1078241b128bSKalle Valo ath6kl_dbg(ATH6KL_DBG_USB, "USB 2.0 Host\n"); 1079241b128bSKalle Valo else 1080241b128bSKalle Valo ath6kl_dbg(ATH6KL_DBG_USB, "USB 1.1 Host\n"); 1081241b128bSKalle Valo 1082241b128bSKalle Valo ar_usb = ath6kl_usb_create(interface); 1083241b128bSKalle Valo 1084241b128bSKalle Valo if (ar_usb == NULL) { 1085241b128bSKalle Valo ret = -ENOMEM; 1086241b128bSKalle Valo goto err_usb_put; 1087241b128bSKalle Valo } 1088241b128bSKalle Valo 1089241b128bSKalle Valo ar = ath6kl_core_create(&ar_usb->udev->dev); 1090241b128bSKalle Valo if (ar == NULL) { 1091241b128bSKalle Valo ath6kl_err("Failed to alloc ath6kl core\n"); 1092241b128bSKalle Valo ret = -ENOMEM; 1093241b128bSKalle Valo goto err_usb_destroy; 1094241b128bSKalle Valo } 1095241b128bSKalle Valo 1096241b128bSKalle Valo ar->hif_priv = ar_usb; 1097241b128bSKalle Valo ar->hif_type = ATH6KL_HIF_TYPE_USB; 1098241b128bSKalle Valo ar->hif_ops = &ath6kl_usb_ops; 1099241b128bSKalle Valo ar->mbox_info.block_size = 16; 1100241b128bSKalle Valo ar->bmi.max_data_size = 252; 1101241b128bSKalle Valo 1102241b128bSKalle Valo ar_usb->ar = ar; 1103241b128bSKalle Valo 11049cbee358SKalle Valo ret = ath6kl_core_init(ar, ATH6KL_HTC_TYPE_PIPE); 1105241b128bSKalle Valo if (ret) { 1106241b128bSKalle Valo ath6kl_err("Failed to init ath6kl core: %d\n", ret); 1107241b128bSKalle Valo goto err_core_free; 1108241b128bSKalle Valo } 1109241b128bSKalle Valo 1110241b128bSKalle Valo return ret; 1111241b128bSKalle Valo 1112241b128bSKalle Valo err_core_free: 1113241b128bSKalle Valo ath6kl_core_destroy(ar); 1114241b128bSKalle Valo err_usb_destroy: 1115241b128bSKalle Valo ath6kl_usb_destroy(ar_usb); 1116241b128bSKalle Valo err_usb_put: 1117241b128bSKalle Valo usb_put_dev(dev); 1118241b128bSKalle Valo 1119241b128bSKalle Valo return ret; 1120241b128bSKalle Valo } 1121241b128bSKalle Valo 1122241b128bSKalle Valo static void ath6kl_usb_remove(struct usb_interface *interface) 1123241b128bSKalle Valo { 1124241b128bSKalle Valo usb_put_dev(interface_to_usbdev(interface)); 1125241b128bSKalle Valo ath6kl_usb_device_detached(interface); 1126241b128bSKalle Valo } 1127241b128bSKalle Valo 11289cbee358SKalle Valo #ifdef CONFIG_PM 11299cbee358SKalle Valo 11309cbee358SKalle Valo static int ath6kl_usb_suspend(struct usb_interface *interface, 11319cbee358SKalle Valo pm_message_t message) 11329cbee358SKalle Valo { 11339cbee358SKalle Valo struct ath6kl_usb *device; 11349cbee358SKalle Valo device = usb_get_intfdata(interface); 11359cbee358SKalle Valo 11369cbee358SKalle Valo ath6kl_usb_flush_all(device); 11379cbee358SKalle Valo return 0; 11389cbee358SKalle Valo } 11399cbee358SKalle Valo 11409cbee358SKalle Valo static int ath6kl_usb_resume(struct usb_interface *interface) 11419cbee358SKalle Valo { 11429cbee358SKalle Valo struct ath6kl_usb *device; 11439cbee358SKalle Valo device = usb_get_intfdata(interface); 11449cbee358SKalle Valo 11459cbee358SKalle Valo ath6kl_usb_post_recv_transfers(&device->pipes[ATH6KL_USB_PIPE_RX_DATA], 11469cbee358SKalle Valo ATH6KL_USB_RX_BUFFER_SIZE); 11479cbee358SKalle Valo ath6kl_usb_post_recv_transfers(&device->pipes[ATH6KL_USB_PIPE_RX_DATA2], 11489cbee358SKalle Valo ATH6KL_USB_RX_BUFFER_SIZE); 11499cbee358SKalle Valo 11509cbee358SKalle Valo return 0; 11519cbee358SKalle Valo } 11529cbee358SKalle Valo 11539cbee358SKalle Valo static int ath6kl_usb_reset_resume(struct usb_interface *intf) 11549cbee358SKalle Valo { 11559cbee358SKalle Valo if (usb_get_intfdata(intf)) 11569cbee358SKalle Valo ath6kl_usb_remove(intf); 11579cbee358SKalle Valo return 0; 11589cbee358SKalle Valo } 11599cbee358SKalle Valo 11609cbee358SKalle Valo #else 11619cbee358SKalle Valo 11629cbee358SKalle Valo #define ath6kl_usb_suspend NULL 11639cbee358SKalle Valo #define ath6kl_usb_resume NULL 11649cbee358SKalle Valo #define ath6kl_usb_reset_resume NULL 11659cbee358SKalle Valo 11669cbee358SKalle Valo #endif 11679cbee358SKalle Valo 1168241b128bSKalle Valo /* table of devices that work with this driver */ 1169241b128bSKalle Valo static struct usb_device_id ath6kl_usb_ids[] = { 1170241b128bSKalle Valo {USB_DEVICE(0x0cf3, 0x9374)}, 1171241b128bSKalle Valo { /* Terminating entry */ }, 1172241b128bSKalle Valo }; 1173241b128bSKalle Valo 1174241b128bSKalle Valo MODULE_DEVICE_TABLE(usb, ath6kl_usb_ids); 1175241b128bSKalle Valo 1176241b128bSKalle Valo static struct usb_driver ath6kl_usb_driver = { 1177241b128bSKalle Valo .name = "ath6kl_usb", 1178241b128bSKalle Valo .probe = ath6kl_usb_probe, 11799cbee358SKalle Valo .suspend = ath6kl_usb_suspend, 11809cbee358SKalle Valo .resume = ath6kl_usb_resume, 11819cbee358SKalle Valo .reset_resume = ath6kl_usb_reset_resume, 1182241b128bSKalle Valo .disconnect = ath6kl_usb_remove, 1183241b128bSKalle Valo .id_table = ath6kl_usb_ids, 11849cbee358SKalle Valo .supports_autosuspend = true, 1185241b128bSKalle Valo }; 1186241b128bSKalle Valo 1187241b128bSKalle Valo static int ath6kl_usb_init(void) 1188241b128bSKalle Valo { 1189241b128bSKalle Valo usb_register(&ath6kl_usb_driver); 1190241b128bSKalle Valo return 0; 1191241b128bSKalle Valo } 1192241b128bSKalle Valo 1193241b128bSKalle Valo static void ath6kl_usb_exit(void) 1194241b128bSKalle Valo { 1195241b128bSKalle Valo usb_deregister(&ath6kl_usb_driver); 1196241b128bSKalle Valo } 1197241b128bSKalle Valo 1198241b128bSKalle Valo module_init(ath6kl_usb_init); 1199241b128bSKalle Valo module_exit(ath6kl_usb_exit); 1200241b128bSKalle Valo 1201241b128bSKalle Valo MODULE_AUTHOR("Atheros Communications, Inc."); 1202241b128bSKalle Valo MODULE_DESCRIPTION("Driver support for Atheros AR600x USB devices"); 1203241b128bSKalle Valo MODULE_LICENSE("Dual BSD/GPL"); 1204241b128bSKalle Valo MODULE_FIRMWARE(AR6004_HW_1_0_FIRMWARE_FILE); 1205241b128bSKalle Valo MODULE_FIRMWARE(AR6004_HW_1_0_BOARD_DATA_FILE); 1206241b128bSKalle Valo MODULE_FIRMWARE(AR6004_HW_1_0_DEFAULT_BOARD_DATA_FILE); 1207241b128bSKalle Valo MODULE_FIRMWARE(AR6004_HW_1_1_FIRMWARE_FILE); 1208241b128bSKalle Valo MODULE_FIRMWARE(AR6004_HW_1_1_BOARD_DATA_FILE); 1209241b128bSKalle Valo MODULE_FIRMWARE(AR6004_HW_1_1_DEFAULT_BOARD_DATA_FILE); 1210