21  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
44 	/* Generic Bluetooth Type-A SDIO device */
47 	/* Generic Bluetooth Type-B SDIO device */
83 	BT_DBG("%s", data->hdev->name);  in btsdio_tx_packet()
85 	/* Prepend Type-A header */  in btsdio_tx_packet()
87 	skb->data[0] = (skb->len & 0x0000ff);  in btsdio_tx_packet()
88 	skb->data[1] = (skb->len & 0x00ff00) >> 8;  in btsdio_tx_packet()
89 	skb->data[2] = (skb->len & 0xff0000) >> 16;  in btsdio_tx_packet()
90 	skb->data[3] = hci_skb_pkt_type(skb);  in btsdio_tx_packet()
92 	err = sdio_writesb(data->func, REG_TDAT, skb->data, skb->len);  in btsdio_tx_packet()
95 		sdio_writeb(data->func, 0x01, REG_PC_WRT, NULL);  in btsdio_tx_packet()
99 	data->hdev->stat.byte_tx += skb->len;  in btsdio_tx_packet()
112 	BT_DBG("%s", data->hdev->name);  in btsdio_work()
114 	sdio_claim_host(data->func);  in btsdio_work()
116 	while ((skb = skb_dequeue(&data->txq))) {  in btsdio_work()
119 			data->hdev->stat.err_tx++;  in btsdio_work()
120 			skb_queue_head(&data->txq, skb);  in btsdio_work()
125 	sdio_release_host(data->func);  in btsdio_work()
134 	BT_DBG("%s", data->hdev->name);  in btsdio_rx_packet()
136 	err = sdio_readsb(data->func, hdr, REG_RDAT, 4);  in btsdio_rx_packet()
142 		return -EILSEQ;  in btsdio_rx_packet()
144 	skb = bt_skb_alloc(len - 4, GFP_KERNEL);  in btsdio_rx_packet()
150 		return -ENOMEM;  in btsdio_rx_packet()
153 	skb_put(skb, len - 4);  in btsdio_rx_packet()
155 	err = sdio_readsb(data->func, skb->data, REG_RDAT, len - 4);  in btsdio_rx_packet()
161 	data->hdev->stat.byte_rx += len;  in btsdio_rx_packet()
165 	err = hci_recv_frame(data->hdev, skb);  in btsdio_rx_packet()
169 	sdio_writeb(data->func, 0x00, REG_PC_RRT, NULL);  in btsdio_rx_packet()
179 	BT_DBG("%s", data->hdev->name);  in btsdio_interrupt()
186 			data->hdev->stat.err_rx++;  in btsdio_interrupt()
187 			sdio_writeb(data->func, 0x01, REG_PC_RRT, NULL);  in btsdio_interrupt()
197 	BT_DBG("%s", hdev->name);  in btsdio_open()
199 	sdio_claim_host(data->func);  in btsdio_open()
201 	err = sdio_enable_func(data->func);  in btsdio_open()
205 	err = sdio_claim_irq(data->func, btsdio_interrupt);  in btsdio_open()
207 		sdio_disable_func(data->func);  in btsdio_open()
211 	if (data->func->class == SDIO_CLASS_BT_B)  in btsdio_open()
212 		sdio_writeb(data->func, 0x00, REG_MD_SET, NULL);  in btsdio_open()
214 	sdio_writeb(data->func, 0x01, REG_EN_INTRD, NULL);  in btsdio_open()
217 	sdio_release_host(data->func);  in btsdio_open()
226 	BT_DBG("%s", hdev->name);  in btsdio_close()
228 	sdio_claim_host(data->func);  in btsdio_close()
230 	sdio_writeb(data->func, 0x00, REG_EN_INTRD, NULL);  in btsdio_close()
232 	sdio_release_irq(data->func);  in btsdio_close()
233 	sdio_disable_func(data->func);  in btsdio_close()
235 	sdio_release_host(data->func);  in btsdio_close()
244 	BT_DBG("%s", hdev->name);  in btsdio_flush()
246 	skb_queue_purge(&data->txq);  in btsdio_flush()
255 	BT_DBG("%s", hdev->name);  in btsdio_send_frame()
259 		hdev->stat.cmd_tx++;  in btsdio_send_frame()
263 		hdev->stat.acl_tx++;  in btsdio_send_frame()
267 		hdev->stat.sco_tx++;  in btsdio_send_frame()
271 		return -EILSEQ;  in btsdio_send_frame()
274 	skb_queue_tail(&data->txq, skb);  in btsdio_send_frame()
276 	schedule_work(&data->work);  in btsdio_send_frame()
286 	struct sdio_func_tuple *tuple = func->tuples;  in btsdio_probe()
289 	BT_DBG("func %p id %p class 0x%04x", func, id, func->class);  in btsdio_probe()
292 		BT_DBG("code 0x%x size %d", tuple->code, tuple->size);  in btsdio_probe()
293 		tuple = tuple->next;  in btsdio_probe()
296 	/* BCM43341 devices soldered onto the PCB (non-removable) use an  in btsdio_probe()
297 	 * uart connection for bluetooth, ignore the BT SDIO interface.  in btsdio_probe()
299 	if (func->vendor == SDIO_VENDOR_ID_BROADCOM &&  in btsdio_probe()
300 	    func->device == SDIO_DEVICE_ID_BROADCOM_43341 &&  in btsdio_probe()
301 	    !mmc_card_is_removable(func->card->host))  in btsdio_probe()
302 		return -ENODEV;  in btsdio_probe()
304 	data = devm_kzalloc(&func->dev, sizeof(*data), GFP_KERNEL);  in btsdio_probe()
306 		return -ENOMEM;  in btsdio_probe()
308 	data->func = func;  in btsdio_probe()
310 	INIT_WORK(&data->work, btsdio_work);  in btsdio_probe()
312 	skb_queue_head_init(&data->txq);  in btsdio_probe()
316 		return -ENOMEM;  in btsdio_probe()
318 	hdev->bus = HCI_SDIO;  in btsdio_probe()
321 	if (id->class == SDIO_CLASS_BT_AMP)  in btsdio_probe()
322 		hdev->dev_type = HCI_AMP;  in btsdio_probe()
324 		hdev->dev_type = HCI_PRIMARY;  in btsdio_probe()
326 	data->hdev = hdev;  in btsdio_probe()
328 	SET_HCIDEV_DEV(hdev, &func->dev);  in btsdio_probe()
330 	hdev->open     = btsdio_open;  in btsdio_probe()
331 	hdev->close    = btsdio_close;  in btsdio_probe()
332 	hdev->flush    = btsdio_flush;  in btsdio_probe()
333 	hdev->send     = btsdio_send_frame;  in btsdio_probe()
335 	if (func->vendor == 0x0104 && func->device == 0x00c5)  in btsdio_probe()
336 		set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);  in btsdio_probe()
359 	hdev = data->hdev;  in btsdio_remove()