Searched refs:qca (Results 1 - 21 of 21) sorted by relevance

/linux-4.4.14/drivers/net/ethernet/qualcomm/
H A Dqca_spi.c77 start_spi_intr_handling(struct qcaspi *qca, u16 *intr_cause) start_spi_intr_handling() argument
81 qcaspi_write_register(qca, SPI_REG_INTR_ENABLE, 0); start_spi_intr_handling()
82 qcaspi_read_register(qca, SPI_REG_INTR_CAUSE, intr_cause); start_spi_intr_handling()
83 netdev_dbg(qca->net_dev, "interrupts: 0x%04x\n", *intr_cause); start_spi_intr_handling()
87 end_spi_intr_handling(struct qcaspi *qca, u16 intr_cause) end_spi_intr_handling() argument
94 qcaspi_write_register(qca, SPI_REG_INTR_CAUSE, intr_cause); end_spi_intr_handling()
95 qcaspi_write_register(qca, SPI_REG_INTR_ENABLE, intr_enable); end_spi_intr_handling()
96 netdev_dbg(qca->net_dev, "acking int: 0x%04x\n", intr_cause); end_spi_intr_handling()
100 qcaspi_write_burst(struct qcaspi *qca, u8 *src, u32 len) qcaspi_write_burst() argument
103 struct spi_message *msg = &qca->spi_msg2; qcaspi_write_burst()
104 struct spi_transfer *transfer = &qca->spi_xfer2[0]; qcaspi_write_burst()
111 transfer = &qca->spi_xfer2[1]; qcaspi_write_burst()
116 ret = spi_sync(qca->spi_dev, msg); qcaspi_write_burst()
119 qcaspi_spi_error(qca); qcaspi_write_burst()
127 qcaspi_write_legacy(struct qcaspi *qca, u8 *src, u32 len) qcaspi_write_legacy() argument
129 struct spi_message *msg = &qca->spi_msg1; qcaspi_write_legacy()
130 struct spi_transfer *transfer = &qca->spi_xfer1; qcaspi_write_legacy()
137 ret = spi_sync(qca->spi_dev, msg); qcaspi_write_legacy()
140 qcaspi_spi_error(qca); qcaspi_write_legacy()
148 qcaspi_read_burst(struct qcaspi *qca, u8 *dst, u32 len) qcaspi_read_burst() argument
150 struct spi_message *msg = &qca->spi_msg2; qcaspi_read_burst()
152 struct spi_transfer *transfer = &qca->spi_xfer2[0]; qcaspi_read_burst()
159 transfer = &qca->spi_xfer2[1]; qcaspi_read_burst()
164 ret = spi_sync(qca->spi_dev, msg); qcaspi_read_burst()
167 qcaspi_spi_error(qca); qcaspi_read_burst()
175 qcaspi_read_legacy(struct qcaspi *qca, u8 *dst, u32 len) qcaspi_read_legacy() argument
177 struct spi_message *msg = &qca->spi_msg1; qcaspi_read_legacy()
178 struct spi_transfer *transfer = &qca->spi_xfer1; qcaspi_read_legacy()
185 ret = spi_sync(qca->spi_dev, msg); qcaspi_read_legacy()
188 qcaspi_spi_error(qca); qcaspi_read_legacy()
196 qcaspi_tx_frame(struct qcaspi *qca, struct sk_buff *skb) qcaspi_tx_frame() argument
205 qcaspi_write_register(qca, SPI_REG_BFR_SIZE, len); qcaspi_tx_frame()
206 if (qca->legacy_mode) qcaspi_tx_frame()
207 qcaspi_tx_cmd(qca, QCA7K_SPI_WRITE | QCA7K_SPI_EXTERNAL); qcaspi_tx_frame()
212 if (count > qca->burst_len) qcaspi_tx_frame()
213 count = qca->burst_len; qcaspi_tx_frame()
215 if (qca->legacy_mode) { qcaspi_tx_frame()
216 written = qcaspi_write_legacy(qca, qcaspi_tx_frame()
220 written = qcaspi_write_burst(qca, qcaspi_tx_frame()
236 qcaspi_transmit(struct qcaspi *qca) qcaspi_transmit() argument
238 struct net_device_stats *n_stats = &qca->net_dev->stats; qcaspi_transmit()
244 if (qca->txr.skb[qca->txr.head] == NULL) qcaspi_transmit()
247 qcaspi_read_register(qca, SPI_REG_WRBUF_SPC_AVA, &available); qcaspi_transmit()
249 while (qca->txr.skb[qca->txr.head]) { qcaspi_transmit()
250 pkt_len = qca->txr.skb[qca->txr.head]->len + QCASPI_HW_PKT_LEN; qcaspi_transmit()
254 qca->stats.write_buf_miss++; qcaspi_transmit()
258 if (qcaspi_tx_frame(qca, qca->txr.skb[qca->txr.head]) == -1) { qcaspi_transmit()
259 qca->stats.write_err++; qcaspi_transmit()
265 n_stats->tx_bytes += qca->txr.skb[qca->txr.head]->len; qcaspi_transmit()
272 netif_tx_lock_bh(qca->net_dev); qcaspi_transmit()
273 dev_kfree_skb(qca->txr.skb[qca->txr.head]); qcaspi_transmit()
274 qca->txr.skb[qca->txr.head] = NULL; qcaspi_transmit()
275 qca->txr.size -= pkt_len; qcaspi_transmit()
276 new_head = qca->txr.head + 1; qcaspi_transmit()
277 if (new_head >= qca->txr.count) qcaspi_transmit()
279 qca->txr.head = new_head; qcaspi_transmit()
280 if (netif_queue_stopped(qca->net_dev)) qcaspi_transmit()
281 netif_wake_queue(qca->net_dev); qcaspi_transmit()
282 netif_tx_unlock_bh(qca->net_dev); qcaspi_transmit()
289 qcaspi_receive(struct qcaspi *qca) qcaspi_receive() argument
291 struct net_device *net_dev = qca->net_dev; qcaspi_receive()
298 if (!qca->rx_skb) { qcaspi_receive()
299 qca->rx_skb = netdev_alloc_skb(net_dev, qcaspi_receive()
301 if (!qca->rx_skb) { qcaspi_receive()
303 qca->stats.out_of_mem++; qcaspi_receive()
309 qcaspi_read_register(qca, SPI_REG_RDBUF_BYTE_AVA, &available); qcaspi_receive()
318 qcaspi_write_register(qca, SPI_REG_BFR_SIZE, available); qcaspi_receive()
320 if (qca->legacy_mode) qcaspi_receive()
321 qcaspi_tx_cmd(qca, QCA7K_SPI_READ | QCA7K_SPI_EXTERNAL); qcaspi_receive()
326 if (count > qca->burst_len) qcaspi_receive()
327 count = qca->burst_len; qcaspi_receive()
329 if (qca->legacy_mode) { qcaspi_receive()
330 bytes_read = qcaspi_read_legacy(qca, qca->rx_buffer, qcaspi_receive()
333 bytes_read = qcaspi_read_burst(qca, qca->rx_buffer, qcaspi_receive()
343 qca->stats.read_err++; qcaspi_receive()
347 cp = qca->rx_buffer; qcaspi_receive()
349 while ((bytes_read--) && (qca->rx_skb)) { qcaspi_receive()
352 retcode = qcafrm_fsm_decode(&qca->frm_handle, qcaspi_receive()
353 qca->rx_skb->data, qcaspi_receive()
354 skb_tailroom(qca->rx_skb), qcaspi_receive()
372 qca->rx_skb->dev = qca->net_dev; qcaspi_receive()
375 skb_put(qca->rx_skb, retcode); qcaspi_receive()
376 qca->rx_skb->protocol = eth_type_trans( qcaspi_receive()
377 qca->rx_skb, qca->rx_skb->dev); qcaspi_receive()
378 qca->rx_skb->ip_summed = CHECKSUM_UNNECESSARY; qcaspi_receive()
379 netif_rx_ni(qca->rx_skb); qcaspi_receive()
380 qca->rx_skb = netdev_alloc_skb(net_dev, qcaspi_receive()
382 if (!qca->rx_skb) { qcaspi_receive()
385 qca->stats.out_of_mem++; qcaspi_receive()
413 qcaspi_flush_tx_ring(struct qcaspi *qca) qcaspi_flush_tx_ring() argument
420 netif_tx_lock_bh(qca->net_dev); qcaspi_flush_tx_ring()
422 if (qca->txr.skb[i]) { qcaspi_flush_tx_ring()
423 dev_kfree_skb(qca->txr.skb[i]); qcaspi_flush_tx_ring()
424 qca->txr.skb[i] = NULL; qcaspi_flush_tx_ring()
425 qca->net_dev->stats.tx_dropped++; qcaspi_flush_tx_ring()
428 qca->txr.tail = 0; qcaspi_flush_tx_ring()
429 qca->txr.head = 0; qcaspi_flush_tx_ring()
430 qca->txr.size = 0; qcaspi_flush_tx_ring()
431 netif_tx_unlock_bh(qca->net_dev); qcaspi_flush_tx_ring()
435 qcaspi_qca7k_sync(struct qcaspi *qca, int event) qcaspi_qca7k_sync() argument
446 qcaspi_read_register(qca, SPI_REG_SIGNATURE, &signature); qcaspi_qca7k_sync()
447 qcaspi_read_register(qca, SPI_REG_SIGNATURE, &signature); qcaspi_qca7k_sync()
449 qca->sync = QCASPI_SYNC_UNKNOWN; qcaspi_qca7k_sync()
450 netdev_dbg(qca->net_dev, "sync: got CPU on, but signature was invalid, restart\n"); qcaspi_qca7k_sync()
453 qcaspi_read_register(qca, SPI_REG_WRBUF_SPC_AVA, qcaspi_qca7k_sync()
456 netdev_dbg(qca->net_dev, "sync: got CPU on, but wrbuf not empty. reset!\n"); qcaspi_qca7k_sync()
457 qca->sync = QCASPI_SYNC_UNKNOWN; qcaspi_qca7k_sync()
459 netdev_dbg(qca->net_dev, "sync: got CPU on, now in sync\n"); qcaspi_qca7k_sync()
460 qca->sync = QCASPI_SYNC_READY; qcaspi_qca7k_sync()
466 switch (qca->sync) { qcaspi_qca7k_sync()
469 qcaspi_read_register(qca, SPI_REG_SIGNATURE, &signature); qcaspi_qca7k_sync()
471 qca->sync = QCASPI_SYNC_UNKNOWN; qcaspi_qca7k_sync()
472 netdev_dbg(qca->net_dev, "sync: bad signature, restart\n"); qcaspi_qca7k_sync()
479 qcaspi_read_register(qca, SPI_REG_SIGNATURE, &signature); qcaspi_qca7k_sync()
481 netdev_dbg(qca->net_dev, "sync: could not read signature to reset device, retry.\n"); qcaspi_qca7k_sync()
486 netdev_dbg(qca->net_dev, "sync: resetting device.\n"); qcaspi_qca7k_sync()
487 qcaspi_read_register(qca, SPI_REG_SPI_CONFIG, &spi_config); qcaspi_qca7k_sync()
489 qcaspi_write_register(qca, SPI_REG_SPI_CONFIG, spi_config); qcaspi_qca7k_sync()
491 qca->sync = QCASPI_SYNC_RESET; qcaspi_qca7k_sync()
492 qca->stats.trig_reset++; qcaspi_qca7k_sync()
497 netdev_dbg(qca->net_dev, "sync: waiting for CPU on, count %u.\n", qcaspi_qca7k_sync()
501 qca->sync = QCASPI_SYNC_UNKNOWN; qcaspi_qca7k_sync()
502 qca->stats.reset_timeout++; qcaspi_qca7k_sync()
503 netdev_dbg(qca->net_dev, "sync: reset timeout, restarting process.\n"); qcaspi_qca7k_sync()
512 struct qcaspi *qca = data; qcaspi_spi_thread() local
515 netdev_info(qca->net_dev, "SPI thread created\n"); qcaspi_spi_thread()
518 if ((qca->intr_req == qca->intr_svc) && qcaspi_spi_thread()
519 (qca->txr.skb[qca->txr.head] == NULL) && qcaspi_spi_thread()
520 (qca->sync == QCASPI_SYNC_READY)) qcaspi_spi_thread()
525 netdev_dbg(qca->net_dev, "have work to do. int: %d, tx_skb: %p\n", qcaspi_spi_thread()
526 qca->intr_req - qca->intr_svc, qcaspi_spi_thread()
527 qca->txr.skb[qca->txr.head]); qcaspi_spi_thread()
529 qcaspi_qca7k_sync(qca, QCASPI_EVENT_UPDATE); qcaspi_spi_thread()
531 if (qca->sync != QCASPI_SYNC_READY) { qcaspi_spi_thread()
532 netdev_dbg(qca->net_dev, "sync: not ready %u, turn off carrier and flush\n", qcaspi_spi_thread()
533 (unsigned int)qca->sync); qcaspi_spi_thread()
534 netif_stop_queue(qca->net_dev); qcaspi_spi_thread()
535 netif_carrier_off(qca->net_dev); qcaspi_spi_thread()
536 qcaspi_flush_tx_ring(qca); qcaspi_spi_thread()
540 if (qca->intr_svc != qca->intr_req) { qcaspi_spi_thread()
541 qca->intr_svc = qca->intr_req; qcaspi_spi_thread()
542 start_spi_intr_handling(qca, &intr_cause); qcaspi_spi_thread()
545 qcaspi_qca7k_sync(qca, QCASPI_EVENT_CPUON); qcaspi_spi_thread()
548 if (qca->sync != QCASPI_SYNC_READY) qcaspi_spi_thread()
551 qca->stats.device_reset++; qcaspi_spi_thread()
552 netif_wake_queue(qca->net_dev); qcaspi_spi_thread()
553 netif_carrier_on(qca->net_dev); qcaspi_spi_thread()
558 netdev_dbg(qca->net_dev, "===> rdbuf error!\n"); qcaspi_spi_thread()
559 qca->stats.read_buf_err++; qcaspi_spi_thread()
560 qca->sync = QCASPI_SYNC_UNKNOWN; qcaspi_spi_thread()
566 netdev_dbg(qca->net_dev, "===> wrbuf error!\n"); qcaspi_spi_thread()
567 qca->stats.write_buf_err++; qcaspi_spi_thread()
568 qca->sync = QCASPI_SYNC_UNKNOWN; qcaspi_spi_thread()
575 if (qca->sync == QCASPI_SYNC_READY) { qcaspi_spi_thread()
577 qcaspi_receive(qca); qcaspi_spi_thread()
580 end_spi_intr_handling(qca, intr_cause); qcaspi_spi_thread()
583 if (qca->sync == QCASPI_SYNC_READY) qcaspi_spi_thread()
584 qcaspi_transmit(qca); qcaspi_spi_thread()
587 netdev_info(qca->net_dev, "SPI thread exit\n"); qcaspi_spi_thread()
595 struct qcaspi *qca = data; qcaspi_intr_handler() local
597 qca->intr_req++; qcaspi_intr_handler()
598 if (qca->spi_thread && qcaspi_intr_handler()
599 qca->spi_thread->state != TASK_RUNNING) qcaspi_intr_handler()
600 wake_up_process(qca->spi_thread); qcaspi_intr_handler()
608 struct qcaspi *qca = netdev_priv(dev); qcaspi_netdev_open() local
611 if (!qca) qcaspi_netdev_open()
614 qca->intr_req = 1; qcaspi_netdev_open()
615 qca->intr_svc = 0; qcaspi_netdev_open()
616 qca->sync = QCASPI_SYNC_UNKNOWN; qcaspi_netdev_open()
617 qcafrm_fsm_init(&qca->frm_handle); qcaspi_netdev_open()
619 qca->spi_thread = kthread_run((void *)qcaspi_spi_thread, qcaspi_netdev_open()
620 qca, "%s", dev->name); qcaspi_netdev_open()
622 if (IS_ERR(qca->spi_thread)) { qcaspi_netdev_open()
625 return PTR_ERR(qca->spi_thread); qcaspi_netdev_open()
628 ret = request_irq(qca->spi_dev->irq, qcaspi_intr_handler, 0, qcaspi_netdev_open()
629 dev->name, qca); qcaspi_netdev_open()
632 QCASPI_DRV_NAME, qca->spi_dev->irq, ret); qcaspi_netdev_open()
633 kthread_stop(qca->spi_thread); qcaspi_netdev_open()
637 netif_start_queue(qca->net_dev); qcaspi_netdev_open()
645 struct qcaspi *qca = netdev_priv(dev); qcaspi_netdev_close() local
649 qcaspi_write_register(qca, SPI_REG_INTR_ENABLE, 0); qcaspi_netdev_close()
650 free_irq(qca->spi_dev->irq, qca); qcaspi_netdev_close()
652 kthread_stop(qca->spi_thread); qcaspi_netdev_close()
653 qca->spi_thread = NULL; qcaspi_netdev_close()
654 qcaspi_flush_tx_ring(qca); qcaspi_netdev_close()
664 struct qcaspi *qca = netdev_priv(dev); qcaspi_netdev_xmit() local
672 if (qca->txr.skb[qca->txr.tail]) { qcaspi_netdev_xmit()
673 netdev_warn(qca->net_dev, "queue was unexpectedly full!\n"); qcaspi_netdev_xmit()
674 netif_stop_queue(qca->net_dev); qcaspi_netdev_xmit()
675 qca->stats.ring_full++; qcaspi_netdev_xmit()
684 netdev_dbg(qca->net_dev, "could not allocate tx_buff\n"); qcaspi_netdev_xmit()
685 qca->stats.out_of_mem++; qcaspi_netdev_xmit()
705 netdev_dbg(qca->net_dev, "Tx-ing packet: Size: 0x%08x\n", qcaspi_netdev_xmit()
708 qca->txr.size += skb->len + QCASPI_HW_PKT_LEN; qcaspi_netdev_xmit()
710 new_tail = qca->txr.tail + 1; qcaspi_netdev_xmit()
711 if (new_tail >= qca->txr.count) qcaspi_netdev_xmit()
714 qca->txr.skb[qca->txr.tail] = skb; qcaspi_netdev_xmit()
715 qca->txr.tail = new_tail; qcaspi_netdev_xmit()
717 if (!qcaspi_tx_ring_has_space(&qca->txr)) { qcaspi_netdev_xmit()
718 netif_stop_queue(qca->net_dev); qcaspi_netdev_xmit()
719 qca->stats.ring_full++; qcaspi_netdev_xmit()
724 if (qca->spi_thread && qcaspi_netdev_xmit()
725 qca->spi_thread->state != TASK_RUNNING) qcaspi_netdev_xmit()
726 wake_up_process(qca->spi_thread); qcaspi_netdev_xmit()
734 struct qcaspi *qca = netdev_priv(dev); qcaspi_netdev_tx_timeout() local
736 netdev_info(qca->net_dev, "Transmit timeout at %ld, latency %ld\n", qcaspi_netdev_tx_timeout()
738 qca->net_dev->stats.tx_errors++; qcaspi_netdev_tx_timeout()
740 qca->sync = QCASPI_SYNC_UNKNOWN; qcaspi_netdev_tx_timeout()
746 struct qcaspi *qca = netdev_priv(dev); qcaspi_netdev_init() local
750 qca->clkspeed = qcaspi_clkspeed; qcaspi_netdev_init()
751 qca->burst_len = qcaspi_burst_len; qcaspi_netdev_init()
752 qca->spi_thread = NULL; qcaspi_netdev_init()
753 qca->buffer_size = (dev->mtu + VLAN_ETH_HLEN + QCAFRM_HEADER_LEN + qcaspi_netdev_init()
756 memset(&qca->stats, 0, sizeof(struct qcaspi_stats)); qcaspi_netdev_init()
758 qca->rx_buffer = kmalloc(qca->buffer_size, GFP_KERNEL); qcaspi_netdev_init()
759 if (!qca->rx_buffer) qcaspi_netdev_init()
762 qca->rx_skb = netdev_alloc_skb(dev, qca->net_dev->mtu + VLAN_ETH_HLEN); qcaspi_netdev_init()
763 if (!qca->rx_skb) { qcaspi_netdev_init()
764 kfree(qca->rx_buffer); qcaspi_netdev_init()
765 netdev_info(qca->net_dev, "Failed to allocate RX sk_buff.\n"); qcaspi_netdev_init()
775 struct qcaspi *qca = netdev_priv(dev); qcaspi_netdev_uninit() local
777 kfree(qca->rx_buffer); qcaspi_netdev_uninit()
778 qca->buffer_size = 0; qcaspi_netdev_uninit()
779 if (qca->rx_skb) qcaspi_netdev_uninit()
780 dev_kfree_skb(qca->rx_skb); qcaspi_netdev_uninit()
809 struct qcaspi *qca = NULL; qcaspi_netdev_setup() local
817 qca = netdev_priv(dev); qcaspi_netdev_setup()
818 memset(qca, 0, sizeof(struct qcaspi)); qcaspi_netdev_setup()
820 memset(&qca->spi_xfer1, 0, sizeof(struct spi_transfer)); qcaspi_netdev_setup()
821 memset(&qca->spi_xfer2, 0, sizeof(struct spi_transfer) * 2); qcaspi_netdev_setup()
823 spi_message_init(&qca->spi_msg1); qcaspi_netdev_setup()
824 spi_message_add_tail(&qca->spi_xfer1, &qca->spi_msg1); qcaspi_netdev_setup()
826 spi_message_init(&qca->spi_msg2); qcaspi_netdev_setup()
827 spi_message_add_tail(&qca->spi_xfer2[0], &qca->spi_msg2); qcaspi_netdev_setup()
828 spi_message_add_tail(&qca->spi_xfer2[1], &qca->spi_msg2); qcaspi_netdev_setup()
830 memset(&qca->txr, 0, sizeof(qca->txr)); qcaspi_netdev_setup()
831 qca->txr.count = TX_RING_MAX_LEN; qcaspi_netdev_setup()
835 { .compatible = "qca,qca7000" },
843 struct qcaspi *qca = NULL; qca_spi_probe() local
855 "qca,legacy-mode"); qca_spi_probe()
904 qca = netdev_priv(qcaspi_devs); qca_spi_probe()
905 if (!qca) { qca_spi_probe()
910 qca->net_dev = qcaspi_devs; qca_spi_probe()
911 qca->spi_dev = spi; qca_spi_probe()
912 qca->legacy_mode = legacy_mode; qca_spi_probe()
919 ether_addr_copy(qca->net_dev->dev_addr, mac); qca_spi_probe()
921 if (!is_valid_ether_addr(qca->net_dev->dev_addr)) { qca_spi_probe()
922 eth_hw_addr_random(qca->net_dev); qca_spi_probe()
924 qca->net_dev->dev_addr); qca_spi_probe()
927 netif_carrier_off(qca->net_dev); qca_spi_probe()
930 qcaspi_read_register(qca, SPI_REG_SIGNATURE, &signature); qca_spi_probe()
931 qcaspi_read_register(qca, SPI_REG_SIGNATURE, &signature); qca_spi_probe()
948 qcaspi_init_device_debugfs(qca); qca_spi_probe()
957 struct qcaspi *qca = netdev_priv(qcaspi_devs); qca_spi_remove() local
959 qcaspi_remove_device_debugfs(qca); qca_spi_remove()
H A Dqca_7k.c35 qcaspi_spi_error(struct qcaspi *qca) qcaspi_spi_error() argument
37 if (qca->sync != QCASPI_SYNC_READY) qcaspi_spi_error()
40 netdev_err(qca->net_dev, "spi error\n"); qcaspi_spi_error()
41 qca->sync = QCASPI_SYNC_UNKNOWN; qcaspi_spi_error()
42 qca->stats.spi_err++; qcaspi_spi_error()
46 qcaspi_read_register(struct qcaspi *qca, u16 reg, u16 *result) qcaspi_read_register() argument
56 if (qca->legacy_mode) { qcaspi_read_register()
57 msg = &qca->spi_msg1; qcaspi_read_register()
58 transfer = &qca->spi_xfer1; qcaspi_read_register()
62 spi_sync(qca->spi_dev, msg); qcaspi_read_register()
64 msg = &qca->spi_msg2; qcaspi_read_register()
65 transfer = &qca->spi_xfer2[0]; qcaspi_read_register()
69 transfer = &qca->spi_xfer2[1]; qcaspi_read_register()
74 ret = spi_sync(qca->spi_dev, msg); qcaspi_read_register()
80 qcaspi_spi_error(qca); qcaspi_read_register()
88 qcaspi_write_register(struct qcaspi *qca, u16 reg, u16 value) qcaspi_write_register() argument
98 if (qca->legacy_mode) { qcaspi_write_register()
99 msg = &qca->spi_msg1; qcaspi_write_register()
100 transfer = &qca->spi_xfer1; qcaspi_write_register()
104 spi_sync(qca->spi_dev, msg); qcaspi_write_register()
106 msg = &qca->spi_msg2; qcaspi_write_register()
107 transfer = &qca->spi_xfer2[0]; qcaspi_write_register()
111 transfer = &qca->spi_xfer2[1]; qcaspi_write_register()
116 ret = spi_sync(qca->spi_dev, msg); qcaspi_write_register()
122 qcaspi_spi_error(qca); qcaspi_write_register()
128 qcaspi_tx_cmd(struct qcaspi *qca, u16 cmd) qcaspi_tx_cmd() argument
131 struct spi_message *msg = &qca->spi_msg1; qcaspi_tx_cmd()
132 struct spi_transfer *transfer = &qca->spi_xfer1; qcaspi_tx_cmd()
140 ret = spi_sync(qca->spi_dev, msg); qcaspi_tx_cmd()
146 qcaspi_spi_error(qca); qcaspi_tx_cmd()
H A Dqca_debug.c70 struct qcaspi *qca = s->private; qcaspi_info_show() local
73 (unsigned long)qca->buffer_size); qcaspi_info_show()
77 if (qca->txr.skb[qca->txr.head] == NULL) qcaspi_info_show()
79 else if (qca->txr.skb[qca->txr.tail]) qcaspi_info_show()
87 qca->txr.size); qcaspi_info_show()
90 (unsigned int)qca->sync); qcaspi_info_show()
91 switch (qca->sync) { qcaspi_info_show()
108 qca->spi_dev->irq); qcaspi_info_show()
110 qca->intr_req); qcaspi_info_show()
112 qca->intr_svc); qcaspi_info_show()
115 (unsigned long)qca->spi_dev->max_speed_hz); qcaspi_info_show()
117 qca->spi_dev->mode); qcaspi_info_show()
119 (unsigned int)qca->spi_dev->chip_select); qcaspi_info_show()
121 (unsigned int)qca->legacy_mode); qcaspi_info_show()
123 (unsigned int)qca->burst_len); qcaspi_info_show()
142 qcaspi_init_device_debugfs(struct qcaspi *qca) qcaspi_init_device_debugfs() argument
146 device_root = debugfs_create_dir(dev_name(&qca->net_dev->dev), NULL); qcaspi_init_device_debugfs()
147 qca->device_root = device_root; qcaspi_init_device_debugfs()
151 dev_name(&qca->net_dev->dev)); qcaspi_init_device_debugfs()
154 debugfs_create_file("info", S_IFREG | S_IRUGO, device_root, qca, qcaspi_init_device_debugfs()
159 qcaspi_remove_device_debugfs(struct qcaspi *qca) qcaspi_remove_device_debugfs() argument
161 debugfs_remove_recursive(qca->device_root); qcaspi_remove_device_debugfs()
167 qcaspi_init_device_debugfs(struct qcaspi *qca) qcaspi_init_device_debugfs() argument
172 qcaspi_remove_device_debugfs(struct qcaspi *qca) qcaspi_remove_device_debugfs() argument
181 struct qcaspi *qca = netdev_priv(dev); qcaspi_get_drvinfo() local
186 strlcpy(p->bus_info, dev_name(&qca->spi_dev->dev), qcaspi_get_drvinfo()
206 struct qcaspi *qca = netdev_priv(dev); qcaspi_get_ethtool_stats() local
207 struct qcaspi_stats *st = &qca->stats; qcaspi_get_ethtool_stats()
246 struct qcaspi *qca = netdev_priv(dev); qcaspi_get_regs() local
256 qcaspi_read_register(qca, qcaspi_spi_regs[i], &value); qcaspi_get_regs()
265 struct qcaspi *qca = netdev_priv(dev); qcaspi_get_ringparam() local
270 ring->tx_pending = qca->txr.count; qcaspi_get_ringparam()
276 struct qcaspi *qca = netdev_priv(dev); qcaspi_set_ringparam() local
286 qca->txr.count = max_t(u32, ring->tx_pending, TX_RING_MIN_LEN); qcaspi_set_ringparam()
287 qca->txr.count = min_t(u16, qca->txr.count, TX_RING_MAX_LEN); qcaspi_set_ringparam()
H A Dqca_7k.h67 void qcaspi_spi_error(struct qcaspi *qca);
68 int qcaspi_read_register(struct qcaspi *qca, u16 reg, u16 *result);
69 int qcaspi_write_register(struct qcaspi *qca, u16 reg, u16 value);
70 int qcaspi_tx_cmd(struct qcaspi *qca, u16 cmd);
H A Dqca_debug.h28 void qcaspi_init_device_debugfs(struct qcaspi *qca);
30 void qcaspi_remove_device_debugfs(struct qcaspi *qca);
/linux-4.4.14/drivers/bluetooth/
H A Dhci_qca.c133 struct qca_data *qca = hu->priv; serial_clock_vote() local
136 bool old_vote = (qca->tx_vote | qca->rx_vote); serial_clock_vote()
141 diff = jiffies_to_msecs(jiffies - qca->vote_last_jif); serial_clock_vote()
144 qca->vote_off_ms += diff; serial_clock_vote()
146 qca->vote_on_ms += diff; serial_clock_vote()
150 qca->tx_vote = true; serial_clock_vote()
151 qca->tx_votes_on++; serial_clock_vote()
156 qca->rx_vote = true; serial_clock_vote()
157 qca->rx_votes_on++; serial_clock_vote()
162 qca->tx_vote = false; serial_clock_vote()
163 qca->tx_votes_off++; serial_clock_vote()
164 new_vote = qca->rx_vote | qca->tx_vote; serial_clock_vote()
168 qca->rx_vote = false; serial_clock_vote()
169 qca->rx_votes_off++; serial_clock_vote()
170 new_vote = qca->rx_vote | qca->tx_vote; serial_clock_vote()
187 diff = jiffies_to_msecs(jiffies - qca->vote_last_jif); serial_clock_vote()
190 qca->votes_on++; serial_clock_vote()
191 qca->vote_off_ms += diff; serial_clock_vote()
193 qca->votes_off++; serial_clock_vote()
194 qca->vote_on_ms += diff; serial_clock_vote()
196 qca->vote_last_jif = jiffies; serial_clock_vote()
207 struct qca_data *qca = hu->priv; send_hci_ibs_cmd() local
220 skb_queue_tail(&qca->txq, skb); send_hci_ibs_cmd()
227 struct qca_data *qca = container_of(work, struct qca_data, qca_wq_awake_device() local
229 struct hci_uart *hu = qca->hu; qca_wq_awake_device()
237 spin_lock(&qca->hci_ibs_lock); qca_wq_awake_device()
243 qca->ibs_sent_wakes++; qca_wq_awake_device()
246 retrans_delay = msecs_to_jiffies(qca->wake_retrans); qca_wq_awake_device()
247 mod_timer(&qca->wake_retrans_timer, jiffies + retrans_delay); qca_wq_awake_device()
249 spin_unlock(&qca->hci_ibs_lock); qca_wq_awake_device()
257 struct qca_data *qca = container_of(work, struct qca_data, qca_wq_awake_rx() local
259 struct hci_uart *hu = qca->hu; qca_wq_awake_rx()
265 spin_lock(&qca->hci_ibs_lock); qca_wq_awake_rx()
266 qca->rx_ibs_state = HCI_IBS_RX_AWAKE; qca_wq_awake_rx()
274 qca->ibs_sent_wacks++; qca_wq_awake_rx()
276 spin_unlock(&qca->hci_ibs_lock); qca_wq_awake_rx()
284 struct qca_data *qca = container_of(work, struct qca_data, qca_wq_serial_rx_clock_vote_off() local
286 struct hci_uart *hu = qca->hu; qca_wq_serial_rx_clock_vote_off()
295 struct qca_data *qca = container_of(work, struct qca_data, qca_wq_serial_tx_clock_vote_off() local
297 struct hci_uart *hu = qca->hu; qca_wq_serial_tx_clock_vote_off()
313 struct qca_data *qca = hu->priv; hci_ibs_tx_idle_timeout() local
316 BT_DBG("hu %p idle timeout in %d state", hu, qca->tx_ibs_state); hci_ibs_tx_idle_timeout()
318 spin_lock_irqsave_nested(&qca->hci_ibs_lock, hci_ibs_tx_idle_timeout()
321 switch (qca->tx_ibs_state) { hci_ibs_tx_idle_timeout()
328 qca->tx_ibs_state = HCI_IBS_TX_ASLEEP; hci_ibs_tx_idle_timeout()
329 qca->ibs_sent_slps++; hci_ibs_tx_idle_timeout()
330 queue_work(qca->workqueue, &qca->ws_tx_vote_off); hci_ibs_tx_idle_timeout()
338 BT_ERR("Spurrious timeout tx state %d", qca->tx_ibs_state); hci_ibs_tx_idle_timeout()
342 spin_unlock_irqrestore(&qca->hci_ibs_lock, flags); hci_ibs_tx_idle_timeout()
348 struct qca_data *qca = hu->priv; hci_ibs_wake_retrans_timeout() local
353 hu, qca->tx_ibs_state); hci_ibs_wake_retrans_timeout()
355 spin_lock_irqsave_nested(&qca->hci_ibs_lock, hci_ibs_wake_retrans_timeout()
358 switch (qca->tx_ibs_state) { hci_ibs_wake_retrans_timeout()
366 qca->ibs_sent_wakes++; hci_ibs_wake_retrans_timeout()
367 retrans_delay = msecs_to_jiffies(qca->wake_retrans); hci_ibs_wake_retrans_timeout()
368 mod_timer(&qca->wake_retrans_timer, jiffies + retrans_delay); hci_ibs_wake_retrans_timeout()
376 BT_ERR("Spurrious timeout tx state %d", qca->tx_ibs_state); hci_ibs_wake_retrans_timeout()
380 spin_unlock_irqrestore(&qca->hci_ibs_lock, flags); hci_ibs_wake_retrans_timeout()
389 struct qca_data *qca; qca_open() local
393 qca = kzalloc(sizeof(struct qca_data), GFP_ATOMIC); qca_open()
394 if (!qca) qca_open()
397 skb_queue_head_init(&qca->txq); qca_open()
398 skb_queue_head_init(&qca->tx_wait_q); qca_open()
399 spin_lock_init(&qca->hci_ibs_lock); qca_open()
400 qca->workqueue = create_singlethread_workqueue("qca_wq"); qca_open()
401 if (!qca->workqueue) { qca_open()
403 kfree(qca); qca_open()
407 INIT_WORK(&qca->ws_awake_rx, qca_wq_awake_rx); qca_open()
408 INIT_WORK(&qca->ws_awake_device, qca_wq_awake_device); qca_open()
409 INIT_WORK(&qca->ws_rx_vote_off, qca_wq_serial_rx_clock_vote_off); qca_open()
410 INIT_WORK(&qca->ws_tx_vote_off, qca_wq_serial_tx_clock_vote_off); qca_open()
412 qca->hu = hu; qca_open()
415 qca->tx_ibs_state = HCI_IBS_TX_ASLEEP; qca_open()
416 qca->rx_ibs_state = HCI_IBS_RX_ASLEEP; qca_open()
419 qca->tx_vote = false; qca_open()
420 qca->rx_vote = false; qca_open()
421 qca->flags = 0; qca_open()
423 qca->ibs_sent_wacks = 0; qca_open()
424 qca->ibs_sent_slps = 0; qca_open()
425 qca->ibs_sent_wakes = 0; qca_open()
426 qca->ibs_recv_wacks = 0; qca_open()
427 qca->ibs_recv_slps = 0; qca_open()
428 qca->ibs_recv_wakes = 0; qca_open()
429 qca->vote_last_jif = jiffies; qca_open()
430 qca->vote_on_ms = 0; qca_open()
431 qca->vote_off_ms = 0; qca_open()
432 qca->votes_on = 0; qca_open()
433 qca->votes_off = 0; qca_open()
434 qca->tx_votes_on = 0; qca_open()
435 qca->tx_votes_off = 0; qca_open()
436 qca->rx_votes_on = 0; qca_open()
437 qca->rx_votes_off = 0; qca_open()
439 hu->priv = qca; qca_open()
441 init_timer(&qca->wake_retrans_timer); qca_open()
442 qca->wake_retrans_timer.function = hci_ibs_wake_retrans_timeout; qca_open()
443 qca->wake_retrans_timer.data = (u_long)hu; qca_open()
444 qca->wake_retrans = IBS_WAKE_RETRANS_TIMEOUT_MS; qca_open()
446 init_timer(&qca->tx_idle_timer); qca_open()
447 qca->tx_idle_timer.function = hci_ibs_tx_idle_timeout; qca_open()
448 qca->tx_idle_timer.data = (u_long)hu; qca_open()
449 qca->tx_idle_delay = IBS_TX_IDLE_TIMEOUT_MS; qca_open()
452 qca->tx_idle_delay, qca->wake_retrans); qca_open()
460 struct qca_data *qca = hu->priv; qca_debugfs_init() local
471 debugfs_create_u8("tx_ibs_state", mode, ibs_dir, &qca->tx_ibs_state); qca_debugfs_init()
472 debugfs_create_u8("rx_ibs_state", mode, ibs_dir, &qca->rx_ibs_state); qca_debugfs_init()
474 &qca->ibs_sent_slps); qca_debugfs_init()
476 &qca->ibs_sent_wakes); qca_debugfs_init()
478 &qca->ibs_sent_wacks); qca_debugfs_init()
480 &qca->ibs_recv_slps); qca_debugfs_init()
482 &qca->ibs_recv_wakes); qca_debugfs_init()
484 &qca->ibs_recv_wacks); qca_debugfs_init()
485 debugfs_create_bool("tx_vote", mode, ibs_dir, &qca->tx_vote); qca_debugfs_init()
486 debugfs_create_u64("tx_votes_on", mode, ibs_dir, &qca->tx_votes_on); qca_debugfs_init()
487 debugfs_create_u64("tx_votes_off", mode, ibs_dir, &qca->tx_votes_off); qca_debugfs_init()
488 debugfs_create_bool("rx_vote", mode, ibs_dir, &qca->rx_vote); qca_debugfs_init()
489 debugfs_create_u64("rx_votes_on", mode, ibs_dir, &qca->rx_votes_on); qca_debugfs_init()
490 debugfs_create_u64("rx_votes_off", mode, ibs_dir, &qca->rx_votes_off); qca_debugfs_init()
491 debugfs_create_u64("votes_on", mode, ibs_dir, &qca->votes_on); qca_debugfs_init()
492 debugfs_create_u64("votes_off", mode, ibs_dir, &qca->votes_off); qca_debugfs_init()
493 debugfs_create_u32("vote_on_ms", mode, ibs_dir, &qca->vote_on_ms); qca_debugfs_init()
494 debugfs_create_u32("vote_off_ms", mode, ibs_dir, &qca->vote_off_ms); qca_debugfs_init()
498 debugfs_create_u32("wake_retrans", mode, ibs_dir, &qca->wake_retrans); qca_debugfs_init()
500 &qca->tx_idle_delay); qca_debugfs_init()
506 struct qca_data *qca = hu->priv; qca_flush() local
508 BT_DBG("hu %p qca flush", hu); qca_flush()
510 skb_queue_purge(&qca->tx_wait_q); qca_flush()
511 skb_queue_purge(&qca->txq); qca_flush()
519 struct qca_data *qca = hu->priv; qca_close() local
521 BT_DBG("hu %p qca close", hu); qca_close()
525 skb_queue_purge(&qca->tx_wait_q); qca_close()
526 skb_queue_purge(&qca->txq); qca_close()
527 del_timer(&qca->tx_idle_timer); qca_close()
528 del_timer(&qca->wake_retrans_timer); qca_close()
529 destroy_workqueue(qca->workqueue); qca_close()
530 qca->hu = NULL; qca_close()
532 kfree_skb(qca->rx_skb); qca_close()
536 kfree(qca); qca_close()
546 struct qca_data *qca = hu->priv; device_want_to_wakeup() local
550 spin_lock_irqsave(&qca->hci_ibs_lock, flags); device_want_to_wakeup()
552 qca->ibs_recv_wakes++; device_want_to_wakeup()
554 switch (qca->rx_ibs_state) { device_want_to_wakeup()
559 queue_work(qca->workqueue, &qca->ws_awake_rx); device_want_to_wakeup()
560 spin_unlock_irqrestore(&qca->hci_ibs_lock, flags); device_want_to_wakeup()
571 qca->ibs_sent_wacks++; device_want_to_wakeup()
577 qca->rx_ibs_state); device_want_to_wakeup()
581 spin_unlock_irqrestore(&qca->hci_ibs_lock, flags); device_want_to_wakeup()
592 struct qca_data *qca = hu->priv; device_want_to_sleep() local
596 spin_lock_irqsave(&qca->hci_ibs_lock, flags); device_want_to_sleep()
598 qca->ibs_recv_slps++; device_want_to_sleep()
600 switch (qca->rx_ibs_state) { device_want_to_sleep()
603 qca->rx_ibs_state = HCI_IBS_RX_ASLEEP; device_want_to_sleep()
605 queue_work(qca->workqueue, &qca->ws_rx_vote_off); device_want_to_sleep()
614 qca->rx_ibs_state); device_want_to_sleep()
618 spin_unlock_irqrestore(&qca->hci_ibs_lock, flags); device_want_to_sleep()
626 struct qca_data *qca = hu->priv; device_woke_up() local
631 spin_lock_irqsave(&qca->hci_ibs_lock, flags); device_woke_up()
633 qca->ibs_recv_wacks++; device_woke_up()
635 switch (qca->tx_ibs_state) { device_woke_up()
639 qca->tx_ibs_state); device_woke_up()
644 while ((skb = skb_dequeue(&qca->tx_wait_q))) device_woke_up()
645 skb_queue_tail(&qca->txq, skb); device_woke_up()
648 del_timer(&qca->wake_retrans_timer); device_woke_up()
649 idle_delay = msecs_to_jiffies(qca->tx_idle_delay); device_woke_up()
650 mod_timer(&qca->tx_idle_timer, jiffies + idle_delay); device_woke_up()
651 qca->tx_ibs_state = HCI_IBS_TX_AWAKE; device_woke_up()
659 qca->tx_ibs_state); device_woke_up()
663 spin_unlock_irqrestore(&qca->hci_ibs_lock, flags); device_woke_up()
675 struct qca_data *qca = hu->priv; qca_enqueue() local
677 BT_DBG("hu %p qca enq skb %p tx_ibs_state %d", hu, skb, qca_enqueue()
678 qca->tx_ibs_state); qca_enqueue()
686 if (!test_bit(STATE_IN_BAND_SLEEP_ENABLED, &qca->flags)) { qca_enqueue()
687 skb_queue_tail(&qca->txq, skb); qca_enqueue()
691 spin_lock_irqsave(&qca->hci_ibs_lock, flags); qca_enqueue()
694 switch (qca->tx_ibs_state) { qca_enqueue()
697 skb_queue_tail(&qca->txq, skb); qca_enqueue()
698 idle_delay = msecs_to_jiffies(qca->tx_idle_delay); qca_enqueue()
699 mod_timer(&qca->tx_idle_timer, jiffies + idle_delay); qca_enqueue()
705 skb_queue_tail(&qca->tx_wait_q, skb); qca_enqueue()
707 qca->tx_ibs_state = HCI_IBS_TX_WAKING; qca_enqueue()
709 queue_work(qca->workqueue, &qca->ws_awake_device); qca_enqueue()
715 skb_queue_tail(&qca->tx_wait_q, skb); qca_enqueue()
720 qca->tx_ibs_state); qca_enqueue()
725 spin_unlock_irqrestore(&qca->hci_ibs_lock, flags); qca_enqueue()
798 struct qca_data *qca = hu->priv; qca_recv() local
803 qca->rx_skb = h4_recv_buf(hu->hdev, qca->rx_skb, data, count, qca_recv()
805 if (IS_ERR(qca->rx_skb)) { qca_recv()
806 int err = PTR_ERR(qca->rx_skb); qca_recv()
808 qca->rx_skb = NULL; qca_recv()
817 struct qca_data *qca = hu->priv; qca_dequeue() local
819 return skb_dequeue(&qca->txq); qca_dequeue()
859 struct qca_data *qca = hu->priv; qca_set_baudrate() local
878 skb_queue_tail(&qca->txq, skb); qca_set_baudrate()
895 struct qca_data *qca = hu->priv; qca_setup() local
902 clear_bit(STATE_IN_BAND_SLEEP_ENABLED, &qca->flags); qca_setup()
937 set_bit(STATE_IN_BAND_SLEEP_ENABLED, &qca->flags); qca_setup()
H A Dbtqca.c358 snprintf(config.fwname, sizeof(config.fwname), "qca/rampatch_%08x.bin", qca_uart_setup_rome()
368 snprintf(config.fwname, sizeof(config.fwname), "qca/nvm_%08x.bin", qca_uart_setup_rome()
389 MODULE_AUTHOR("Ben Young Tae Kim <ytkim@qca.qualcomm.com>");
H A Dbtusb.c2583 snprintf(fwname, sizeof(fwname), "qca/rampatch_usb_%08x.bin", ver_rom); btusb_setup_qca_load_rampatch()
2625 snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin", btusb_setup_qca_load_nvm()
/linux-4.4.14/arch/mips/boot/dts/
H A DMakefile7 dts-dirs += qca
/linux-4.4.14/arch/mips/ath79/
H A Dmach-ap136.c51 .name = "qca:green:status",
56 .name = "qca:red:status",
61 .name = "qca:green:wps",
66 .name = "qca:red:wps",
71 .name = "qca:red:wlan-2g",
76 .name = "qca:red:usb",
H A Dirq.c304 IRQCHIP_DECLARE(ar7100_misc_intc, "qca,ar7100-misc-intc",
314 IRQCHIP_DECLARE(ar7240_misc_intc, "qca,ar7240-misc-intc",
324 node, "qca,ddr-wb-channels", "#qca,ddr-wb-channel-cells"); ar79_cpu_intc_of_init()
331 node, "qca,ddr-wb-channel-interrupts", i, &irq); ar79_cpu_intc_of_init()
336 node, "qca,ddr-wb-channels", ar79_cpu_intc_of_init()
337 "#qca,ddr-wb-channel-cells", ar79_cpu_intc_of_init()
349 IRQCHIP_DECLARE(ar79_cpu_intc, "qca,ar7100-cpu-intc",
H A Dclock.c484 CLK_OF_DECLARE(ar7100, "qca,ar7100-pll", ath79_clocks_init_dt);
485 CLK_OF_DECLARE(ar7240, "qca,ar7240-pll", ath79_clocks_init_dt);
486 CLK_OF_DECLARE(ar9130, "qca,ar9130-pll", ath79_clocks_init_dt);
487 CLK_OF_DECLARE(ar9330, "qca,ar9330-pll", ath79_clocks_init_dt);
488 CLK_OF_DECLARE(ar9340, "qca,ar9340-pll", ath79_clocks_init_dt);
489 CLK_OF_DECLARE(ar9550, "qca,qca9550-pll", ath79_clocks_init_dt);
/linux-4.4.14/drivers/gpio/
H A Dgpio-ath79.c134 { .compatible = "qca,ar7100-gpio" },
135 { .compatible = "qca,ar9340-gpio" },
163 oe_inverted = of_device_is_compatible(np, "qca,ar9340-gpio"); ath79_gpio_probe()
/linux-4.4.14/drivers/reset/
H A Dreset-ath79.c112 { .compatible = "qca,ar7100-reset", },
/linux-4.4.14/drivers/spi/
H A Dspi-ath79.c304 { .compatible = "qca,ar7100-spi", },
/linux-4.4.14/drivers/net/wireless/ath/wil6210/
H A Dpcie_bus.c361 MODULE_AUTHOR("Qualcomm Atheros <wil6210@qca.qualcomm.com>");
/linux-4.4.14/net/wireless/
H A Dreg.h4 * Copyright 2008-2011 Luis R. Rodriguez <mcgrof@qca.qualcomm.com>
H A Dreg.c5 * Copyright 2008-2011 Luis R. Rodriguez <mcgrof@qca.qualcomm.com>
/linux-4.4.14/drivers/watchdog/
H A Dath79_wdt.c317 { .compatible = "qca,ar7130-wdt" },
/linux-4.4.14/include/net/
H A Dregulatory.h6 * Copyright 2008-2009 Luis R. Rodriguez <mcgrof@qca.qualcomm.com>
/linux-4.4.14/drivers/tty/serial/
H A Dar933x_uart.c736 { .compatible = "qca,ar9330-uart" },

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