Lines Matching +full:power +full:- +full:off +full:- +full:time +full:- +full:sec
2 * http://www.cascoda.com/products/ca-821x/
6 * This code is dual-licensed under both GPLv2 and 3-clause BSD. What follows is
51 #include <linux/clk-provider.h>
133 #define NS_IEEE_ADDRESS (0xFF) /* Non-standard IEEE address */
142 #define MAX_BEACON_PAYLOAD_LENGTH (IEEE802154_MTU - MAX_BEACON_OVERHEAD)
253 * struct cas_control - spi transfer structure
274 * struct ca8210_test - ca8210 test interface structure
288 * struct ca8210_priv - ca8210 private data structure
337 * struct work_priv_container - link between a work object and the relevant
349 * struct ca8210_platform_data - ca8210 platform data structure
368 * struct fulladdr - full MAC addressing information structure
370 * @pan_id: 16-bit LE pan id
382 * @short_address: 16-bit short address
383 * @ieee_address: 64-bit extended address as LE byte array
393 * @security_level: 0-7, controls level of authentication & encryption
394 * @key_id_mode: 0-3, specifies how to obtain key
396 * @key_index: single-byte key identifier
499 * link_to_linux_err() - Translates an 802.15.4 return code into the closest
516 return -EKEYREJECTED; in link_to_linux_err()
520 return -EACCES; in link_to_linux_err()
524 return -ENETUNREACH; in link_to_linux_err()
528 return -EBUSY; in link_to_linux_err()
531 return -EAGAIN; in link_to_linux_err()
533 return -EMSGSIZE; in link_to_linux_err()
536 return -EBADSLT; in link_to_linux_err()
538 return -EBADMSG; in link_to_linux_err()
543 return -EINVAL; in link_to_linux_err()
545 return -ENODATA; in link_to_linux_err()
547 return -EFAULT; in link_to_linux_err()
549 return -EADDRINUSE; in link_to_linux_err()
551 return -ETIME; in link_to_linux_err()
553 return -ENOBUFS; in link_to_linux_err()
555 return -ENOKEY; in link_to_linux_err()
557 return -ENXIO; in link_to_linux_err()
560 return -EREMOTEIO; in link_to_linux_err()
562 return -EDQUOT; in link_to_linux_err()
564 return -EROFS; in link_to_linux_err()
566 return -EPROTO; in link_to_linux_err()
571 * ca8210_test_int_driver_write() - Writes a message to the test interface to be
586 struct ca8210_test *test = &priv->test; in ca8210_test_int_driver_write()
591 &priv->spi->dev, in ca8210_test_int_driver_write()
595 dev_dbg(&priv->spi->dev, "%#03x\n", buf[i]); in ca8210_test_int_driver_write()
599 return -ENOMEM; in ca8210_test_int_driver_write()
600 kfifo_in(&test->up_fifo, &fifo_buffer, 4); in ca8210_test_int_driver_write()
601 wake_up_interruptible(&priv->test.readq); in ca8210_test_int_driver_write()
624 * ca8210_reset_send() - Hard resets the ca8210 for a given time
630 struct ca8210_platform_data *pdata = spi->dev.platform_data; in ca8210_reset_send()
634 gpio_set_value(pdata->gpio_reset, 0); in ca8210_reset_send()
635 reinit_completion(&priv->ca8210_is_awake); in ca8210_reset_send()
637 gpio_set_value(pdata->gpio_reset, 1); in ca8210_reset_send()
638 priv->promiscuous = false; in ca8210_reset_send()
642 &priv->ca8210_is_awake, in ca8210_reset_send()
647 &spi->dev, in ca8210_reset_send()
652 dev_dbg(&spi->dev, "Reset the device\n"); in ca8210_reset_send()
656 * ca8210_mlme_reset_worker() - Resets the MLME, Called when the MAC OVERFLOW
667 struct ca8210_priv *priv = wpc->priv; in ca8210_mlme_reset_worker()
669 mlme_reset_request_sync(0, priv->spi); in ca8210_mlme_reset_worker()
674 * ca8210_rx_done() - Calls various message dispatches responding to a received
686 struct ca8210_priv *priv = cas_ctl->priv; in ca8210_rx_done()
688 buf = cas_ctl->tx_in_buf; in ca8210_rx_done()
692 &priv->spi->dev, in ca8210_rx_done()
700 if (priv->sync_command_response) { in ca8210_rx_done()
701 memcpy(priv->sync_command_response, buf, len); in ca8210_rx_done()
702 complete(&priv->sync_exchange_complete); in ca8210_rx_done()
705 cascoda_api_upstream(buf, len, priv->spi); in ca8210_rx_done()
706 priv->sync_up++; in ca8210_rx_done()
710 cascoda_api_upstream(buf, len, priv->spi); in ca8210_rx_done()
713 ca8210_net_rx(priv->hw, buf, len); in ca8210_rx_done()
717 &priv->spi->dev, in ca8210_rx_done()
721 &priv->spi->dev, in ca8210_rx_done()
729 &mlme_reset_wpc->work, in ca8210_rx_done()
732 mlme_reset_wpc->priv = priv; in ca8210_rx_done()
733 queue_work(priv->mlme_workqueue, &mlme_reset_wpc->work); in ca8210_rx_done()
737 &priv->spi->dev, in ca8210_rx_done()
743 &priv->spi->dev, in ca8210_rx_done()
744 "Transceiver woken up from Power Up / System Reset\n" in ca8210_rx_done()
749 &priv->spi->dev, in ca8210_rx_done()
750 "Watchdog Timer Time-Out\n" in ca8210_rx_done()
755 &priv->spi->dev, in ca8210_rx_done()
756 "Transceiver woken up from Power-Off by Sleep Timer Time-Out\n"); in ca8210_rx_done()
760 &priv->spi->dev, in ca8210_rx_done()
761 "Transceiver woken up from Power-Off by GPIO Activity\n" in ca8210_rx_done()
766 &priv->spi->dev, in ca8210_rx_done()
767 "Transceiver woken up from Standby by Sleep Timer Time-Out\n" in ca8210_rx_done()
772 &priv->spi->dev, in ca8210_rx_done()
778 &priv->spi->dev, in ca8210_rx_done()
779 "Sleep-Timer Time-Out in Active Mode\n" in ca8210_rx_done()
783 dev_warn(&priv->spi->dev, "Wakeup reason unknown\n"); in ca8210_rx_done()
786 complete(&priv->ca8210_is_awake); in ca8210_rx_done()
795 * ca8210_spi_transfer_complete() - Called when a single spi transfer has
802 struct ca8210_priv *priv = cas_ctl->priv; in ca8210_spi_transfer_complete()
808 cas_ctl->tx_in_buf[0] == SPI_NACK || in ca8210_spi_transfer_complete()
809 (cas_ctl->tx_in_buf[0] == SPI_IDLE && in ca8210_spi_transfer_complete()
810 cas_ctl->tx_in_buf[1] == SPI_NACK) in ca8210_spi_transfer_complete()
813 dev_info(&priv->spi->dev, "ca8210 was busy during attempted write\n"); in ca8210_spi_transfer_complete()
814 if (cas_ctl->tx_buf[0] == SPI_IDLE) { in ca8210_spi_transfer_complete()
816 &priv->spi->dev, in ca8210_spi_transfer_complete()
822 if (priv->retries > 3) { in ca8210_spi_transfer_complete()
823 dev_err(&priv->spi->dev, "too many retries!\n"); in ca8210_spi_transfer_complete()
825 ca8210_remove(priv->spi); in ca8210_spi_transfer_complete()
828 memcpy(retry_buffer, cas_ctl->tx_buf, CA8210_SPI_BUF_SIZE); in ca8210_spi_transfer_complete()
831 priv->spi, in ca8210_spi_transfer_complete()
835 priv->retries++; in ca8210_spi_transfer_complete()
836 dev_info(&priv->spi->dev, "retried spi write\n"); in ca8210_spi_transfer_complete()
839 cas_ctl->tx_in_buf[0] != SPI_IDLE && in ca8210_spi_transfer_complete()
840 cas_ctl->tx_in_buf[0] != SPI_NACK in ca8210_spi_transfer_complete()
846 dev_dbg(&priv->spi->dev, "READ CMD DURING TX\n"); in ca8210_spi_transfer_complete()
847 for (i = 0; i < cas_ctl->tx_in_buf[1] + 2; i++) in ca8210_spi_transfer_complete()
849 &priv->spi->dev, in ca8210_spi_transfer_complete()
851 cas_ctl->tx_in_buf[i] in ca8210_spi_transfer_complete()
855 complete(&priv->spi_transfer_complete); in ca8210_spi_transfer_complete()
857 priv->retries = 0; in ca8210_spi_transfer_complete()
861 * ca8210_spi_transfer() - Initiate duplex spi transfer with ca8210
880 return -ENODEV; in ca8210_spi_transfer()
884 reinit_completion(&priv->spi_transfer_complete); in ca8210_spi_transfer()
886 dev_dbg(&spi->dev, "%s called\n", __func__); in ca8210_spi_transfer()
890 return -ENOMEM; in ca8210_spi_transfer()
892 cas_ctl->priv = priv; in ca8210_spi_transfer()
893 memset(cas_ctl->tx_buf, SPI_IDLE, CA8210_SPI_BUF_SIZE); in ca8210_spi_transfer()
894 memset(cas_ctl->tx_in_buf, SPI_IDLE, CA8210_SPI_BUF_SIZE); in ca8210_spi_transfer()
895 memcpy(cas_ctl->tx_buf, buf, len); in ca8210_spi_transfer()
898 dev_dbg(&spi->dev, "%#03x\n", cas_ctl->tx_buf[i]); in ca8210_spi_transfer()
900 spi_message_init(&cas_ctl->msg); in ca8210_spi_transfer()
902 cas_ctl->transfer.tx_nbits = 1; /* 1 MOSI line */ in ca8210_spi_transfer()
903 cas_ctl->transfer.rx_nbits = 1; /* 1 MISO line */ in ca8210_spi_transfer()
904 cas_ctl->transfer.speed_hz = 0; /* Use device setting */ in ca8210_spi_transfer()
905 cas_ctl->transfer.bits_per_word = 0; /* Use device setting */ in ca8210_spi_transfer()
906 cas_ctl->transfer.tx_buf = cas_ctl->tx_buf; in ca8210_spi_transfer()
907 cas_ctl->transfer.rx_buf = cas_ctl->tx_in_buf; in ca8210_spi_transfer()
908 cas_ctl->transfer.delay.value = 0; in ca8210_spi_transfer()
909 cas_ctl->transfer.delay.unit = SPI_DELAY_UNIT_USECS; in ca8210_spi_transfer()
910 cas_ctl->transfer.cs_change = 0; in ca8210_spi_transfer()
911 cas_ctl->transfer.len = sizeof(struct mac_message); in ca8210_spi_transfer()
912 cas_ctl->msg.complete = ca8210_spi_transfer_complete; in ca8210_spi_transfer()
913 cas_ctl->msg.context = cas_ctl; in ca8210_spi_transfer()
916 &cas_ctl->transfer, in ca8210_spi_transfer()
917 &cas_ctl->msg in ca8210_spi_transfer()
920 status = spi_async(spi, &cas_ctl->msg); in ca8210_spi_transfer()
923 &spi->dev, in ca8210_spi_transfer()
933 * ca8210_spi_exchange() - Exchange API/SAP commands with the radio
954 struct ca8210_priv *priv = spi->dev.driver_data; in ca8210_spi_exchange()
958 reinit_completion(&priv->sync_exchange_complete); in ca8210_spi_exchange()
959 priv->sync_command_response = response; in ca8210_spi_exchange()
963 reinit_completion(&priv->spi_transfer_complete); in ca8210_spi_exchange()
964 status = ca8210_spi_transfer(priv->spi, buf, len); in ca8210_spi_exchange()
967 &spi->dev, in ca8210_spi_exchange()
971 if (status == -EBUSY) in ca8210_spi_exchange()
974 complete(&priv->sync_exchange_complete); in ca8210_spi_exchange()
979 &priv->spi_transfer_complete, in ca8210_spi_exchange()
982 if (wait_remaining == -ERESTARTSYS) { in ca8210_spi_exchange()
983 status = -ERESTARTSYS; in ca8210_spi_exchange()
986 &spi->dev, in ca8210_spi_exchange()
989 status = -ETIME; in ca8210_spi_exchange()
998 &priv->sync_exchange_complete, in ca8210_spi_exchange()
1001 if (wait_remaining == -ERESTARTSYS) { in ca8210_spi_exchange()
1002 status = -ERESTARTSYS; in ca8210_spi_exchange()
1005 &spi->dev, in ca8210_spi_exchange()
1008 status = -ETIME; in ca8210_spi_exchange()
1012 priv->sync_command_response = NULL; in ca8210_spi_exchange()
1017 * ca8210_interrupt_handler() - Called when an irq is received from the ca8210
1032 dev_dbg(&priv->spi->dev, "irq: Interrupt occurred\n"); in ca8210_interrupt_handler()
1034 status = ca8210_spi_transfer(priv->spi, NULL, 0); in ca8210_interrupt_handler()
1035 if (status && (status != -EBUSY)) { in ca8210_interrupt_handler()
1037 &priv->spi->dev, in ca8210_interrupt_handler()
1042 } while (status == -EBUSY); in ca8210_interrupt_handler()
1056 * tdme_setsfr_request_sync() - TDME_SETSFR_request/confirm according to API
1062 * Return: 802.15.4 status code of TDME-SETSFR.confirm
1088 dev_crit(&spi->dev, "cascoda_api_downstream returned %d", ret); in tdme_setsfr_request_sync()
1094 &spi->dev, in tdme_setsfr_request_sync()
1105 * tdme_chipinit() - TDME Chip Register Default Initialisation Macro
1173 /* Tx Output Power 8 dBm */ in tdme_chipinit()
1183 &spi->dev, in tdme_chipinit()
1193 * tdme_channelinit() - TDME Channel Register Default Initialisation Macro (Tx)
1201 /* Transceiver front-end local oscillator tx two-point calibration in tdme_channelinit()
1234 * tdme_checkpibattribute() - Checks Attribute Values that are not checked in
1316 /* MAC SEC */ in tdme_checkpibattribute()
1333 * tdme_settxpower() - Sets the tx power for MLME_SET phyTransmitPower
1334 * @txp: Transmit Power
1337 * Normalised to 802.15.4 Definition (6-bit, signed):
1338 * Bit 7-6: not used
1339 * Bit 5-0: tx power (-32 - +31 dB)
1363 /* 0 dBm: ptrim = 7, itrim = +3 => -6 dBm */ in tdme_settxpower()
1376 /* Look-Up Table for Setting Current and Frequency Trim values in tdme_settxpower()
1377 * for desired Output Power in tdme_settxpower()
1415 * mcps_data_request() - mcps_data_request (Send Data) according to API Spec
1453 dst_addr->short_address in mcps_data_request()
1456 dst_addr->short_address in mcps_data_request()
1461 dst_addr->ieee_address, in mcps_data_request()
1471 command.length = sizeof(struct mcps_data_request_pset) - in mcps_data_request()
1473 if (!security || security->security_level == 0) { in mcps_data_request()
1474 psec->security_level = 0; in mcps_data_request()
1489 * mlme_reset_request_sync() - MLME_RESET_request/confirm according to API Spec
1493 * Return: 802.15.4 status code of MLME-RESET.confirm
1513 dev_err(&spi->dev, "cascoda_api_downstream failed\n"); in mlme_reset_request_sync()
1536 * mlme_set_request_sync() - MLME_SET_request/confirm according to API Spec
1543 * Return: 802.15.4 status code of MLME-SET.confirm
1556 /* pre-check the validity of pib_attribute values that are not checked in mlme_set_request_sync()
1581 command.length = sizeof(struct mlme_set_request_pset) - in mlme_set_request_sync()
1607 * hwme_set_request_sync() - HWME_SET_request/confirm according to API Spec
1613 * Return: 802.15.4 status code of HWME-SET.confirm
1649 * hwme_get_request_sync() - HWME_GET_request/confirm according to API Spec
1655 * Return: 802.15.4 status code of HWME-GET.confirm
1697 * ca8210_async_xmit_complete() - Called to announce that an asynchronous
1710 struct ca8210_priv *priv = hw->priv; in ca8210_async_xmit_complete()
1712 if (priv->nextmsduhandle != msduhandle) { in ca8210_async_xmit_complete()
1714 &priv->spi->dev, in ca8210_async_xmit_complete()
1716 priv->nextmsduhandle, in ca8210_async_xmit_complete()
1719 return -EIO; in ca8210_async_xmit_complete()
1722 priv->async_tx_pending = false; in ca8210_async_xmit_complete()
1723 priv->nextmsduhandle++; in ca8210_async_xmit_complete()
1727 &priv->spi->dev, in ca8210_async_xmit_complete()
1732 ieee802154_xmit_error(priv->hw, priv->tx_skb, status); in ca8210_async_xmit_complete()
1736 ieee802154_xmit_complete(priv->hw, priv->tx_skb, true); in ca8210_async_xmit_complete()
1742 * ca8210_skb_rx() - Contructs a properly framed socket buffer from a received
1765 struct ca8210_priv *priv = hw->priv; in ca8210_skb_rx()
1770 return -ENOMEM; in ca8210_skb_rx()
1777 &priv->spi->dev, in ca8210_skb_rx()
1781 return -EMSGSIZE; in ca8210_skb_rx()
1783 dev_dbg(&priv->spi->dev, "skb buffer length = %d\n", msdulen); in ca8210_skb_rx()
1785 if (priv->promiscuous) in ca8210_skb_rx()
1789 hdr.sec.level = data_ind[29 + msdulen]; in ca8210_skb_rx()
1790 dev_dbg(&priv->spi->dev, "security level: %#03x\n", hdr.sec.level); in ca8210_skb_rx()
1791 if (hdr.sec.level > 0) { in ca8210_skb_rx()
1792 hdr.sec.key_id_mode = data_ind[30 + msdulen]; in ca8210_skb_rx()
1793 memcpy(&hdr.sec.extended_src, &data_ind[31 + msdulen], 8); in ca8210_skb_rx()
1794 hdr.sec.key_id = data_ind[39 + msdulen]; in ca8210_skb_rx()
1797 dev_dbg(&priv->spi->dev, "srcAddrMode: %#03x\n", hdr.source.mode); in ca8210_skb_rx()
1799 dev_dbg(&priv->spi->dev, "srcPanId: %#06x\n", hdr.source.pan_id); in ca8210_skb_rx()
1802 dev_dbg(&priv->spi->dev, "dstAddrMode: %#03x\n", hdr.dest.mode); in ca8210_skb_rx()
1804 dev_dbg(&priv->spi->dev, "dstPanId: %#06x\n", hdr.dest.pan_id); in ca8210_skb_rx()
1809 if (hdr.sec.level) in ca8210_skb_rx()
1824 dev_crit(&priv->spi->dev, "failed to push mac hdr onto skb!\n"); in ca8210_skb_rx()
1830 skb->mac_len = hlen; in ca8210_skb_rx()
1842 * ca8210_net_rx() - Acts upon received SAP commands relevant to the network
1856 struct ca8210_priv *priv = hw->priv; in ca8210_net_rx()
1860 dev_dbg(&priv->spi->dev, "%s: CmdID = %d\n", __func__, command[0]); in ca8210_net_rx()
1864 spin_lock_irqsave(&priv->lock, flags); in ca8210_net_rx()
1865 if (command[26] == priv->last_dsn) { in ca8210_net_rx()
1867 &priv->spi->dev, in ca8210_net_rx()
1871 spin_unlock_irqrestore(&priv->lock, flags); in ca8210_net_rx()
1874 priv->last_dsn = command[26]; in ca8210_net_rx()
1875 spin_unlock_irqrestore(&priv->lock, flags); in ca8210_net_rx()
1876 return ca8210_skb_rx(hw, len - 2, command + 2); in ca8210_net_rx()
1879 if (priv->async_tx_pending) { in ca8210_net_rx()
1892 * ca8210_skb_tx() - Transmits a given socket buffer using the ca8210
1910 dev_dbg(&priv->spi->dev, "%s called\n", __func__); in ca8210_skb_tx()
1912 /* Get addressing info from skb - ieee802154 layer creates a full in ca8210_skb_tx()
1917 secspec.security_level = header.sec.level; in ca8210_skb_tx()
1918 secspec.key_id_mode = header.sec.key_id_mode; in ca8210_skb_tx()
1920 memcpy(secspec.key_source, &header.sec.short_src, 4); in ca8210_skb_tx()
1922 memcpy(secspec.key_source, &header.sec.extended_src, 8); in ca8210_skb_tx()
1923 secspec.key_index = header.sec.key_id; in ca8210_skb_tx()
1931 skb->len - mac_len, in ca8210_skb_tx()
1932 &skb->data[mac_len], in ca8210_skb_tx()
1936 priv->spi in ca8210_skb_tx()
1942 * ca8210_start() - Starts the network driver
1952 struct ca8210_priv *priv = hw->priv; in ca8210_start()
1954 priv->last_dsn = -1; in ca8210_start()
1962 priv->spi in ca8210_start()
1966 &priv->spi->dev, in ca8210_start()
1976 priv->spi in ca8210_start()
1980 &priv->spi->dev, in ca8210_start()
1991 * ca8210_stop() - Stops the network driver
2001 * ca8210_xmit_async() - Asynchronously transmits a given socket buffer using
2010 struct ca8210_priv *priv = hw->priv; in ca8210_xmit_async()
2013 dev_dbg(&priv->spi->dev, "calling %s\n", __func__); in ca8210_xmit_async()
2015 priv->tx_skb = skb; in ca8210_xmit_async()
2016 priv->async_tx_pending = true; in ca8210_xmit_async()
2017 status = ca8210_skb_tx(skb, priv->nextmsduhandle, priv); in ca8210_xmit_async()
2022 * ca8210_get_ed() - Returns the measured energy on the current channel at this
2023 * instant in time
2032 struct ca8210_priv *priv = hw->priv; in ca8210_get_ed()
2035 hwme_get_request_sync(HWME_EDVALUE, &lenvar, level, priv->spi) in ca8210_get_ed()
2040 * ca8210_set_channel() - Sets the current operating 802.15.4 channel of the
2055 struct ca8210_priv *priv = hw->priv; in ca8210_set_channel()
2062 priv->spi in ca8210_set_channel()
2066 &priv->spi->dev, in ca8210_set_channel()
2067 "error setting channel, MLME-SET.confirm status = %d\n", in ca8210_set_channel()
2075 * ca8210_set_hw_addr_filt() - Sets the address filtering parameters of the
2094 struct ca8210_priv *priv = hw->priv; in ca8210_set_hw_addr_filt()
2101 &filt->pan_id, priv->spi in ca8210_set_hw_addr_filt()
2105 &priv->spi->dev, in ca8210_set_hw_addr_filt()
2106 "error setting pan id, MLME-SET.confirm status = %d", in ca8210_set_hw_addr_filt()
2117 &filt->short_addr, priv->spi in ca8210_set_hw_addr_filt()
2121 &priv->spi->dev, in ca8210_set_hw_addr_filt()
2122 "error setting short address, MLME-SET.confirm status = %d", in ca8210_set_hw_addr_filt()
2133 &filt->ieee_addr, in ca8210_set_hw_addr_filt()
2134 priv->spi in ca8210_set_hw_addr_filt()
2138 &priv->spi->dev, in ca8210_set_hw_addr_filt()
2139 "error setting ieee address, MLME-SET.confirm status = %d", in ca8210_set_hw_addr_filt()
2150 * ca8210_set_tx_power() - Sets the transmit power of the ca8210
2152 * @mbm: Transmit power in mBm (dBm*100)
2158 struct ca8210_priv *priv = hw->priv; in ca8210_set_tx_power()
2162 mlme_set_request_sync(PHY_TRANSMIT_POWER, 0, 1, &mbm, priv->spi) in ca8210_set_tx_power()
2167 * ca8210_set_cca_mode() - Sets the clear channel assessment mode of the ca8210
2180 struct ca8210_priv *priv = hw->priv; in ca8210_set_cca_mode()
2182 cca_mode = cca->mode & 3; in ca8210_set_cca_mode()
2183 if (cca_mode == 3 && cca->opt == NL802154_CCA_OPT_ENERGY_CARRIER_OR) { in ca8210_set_cca_mode()
2192 priv->spi in ca8210_set_cca_mode()
2196 &priv->spi->dev, in ca8210_set_cca_mode()
2197 "error setting cca mode, MLME-SET.confirm status = %d", in ca8210_set_cca_mode()
2205 * ca8210_set_cca_ed_level() - Sets the CCA ED level of the ca8210
2210 * back off and retry a transmission.
2218 struct ca8210_priv *priv = hw->priv; in ca8210_set_cca_ed_level()
2224 priv->spi in ca8210_set_cca_ed_level()
2228 &priv->spi->dev, in ca8210_set_cca_ed_level()
2229 "error setting ed threshold, HWME-SET.confirm status = %d", in ca8210_set_cca_ed_level()
2237 * ca8210_set_csma_params() - Sets the CSMA parameters of the ca8210
2239 * @min_be: Minimum backoff exponent when backing off a transmission
2240 * @max_be: Maximum backoff exponent when backing off a transmission
2241 * @retries: Number of times to retry after backing off
2253 struct ca8210_priv *priv = hw->priv; in ca8210_set_csma_params()
2255 status = mlme_set_request_sync(MAC_MIN_BE, 0, 1, &min_be, priv->spi); in ca8210_set_csma_params()
2258 &priv->spi->dev, in ca8210_set_csma_params()
2259 "error setting min be, MLME-SET.confirm status = %d", in ca8210_set_csma_params()
2264 status = mlme_set_request_sync(MAC_MAX_BE, 0, 1, &max_be, priv->spi); in ca8210_set_csma_params()
2267 &priv->spi->dev, in ca8210_set_csma_params()
2268 "error setting max be, MLME-SET.confirm status = %d", in ca8210_set_csma_params()
2278 priv->spi in ca8210_set_csma_params()
2282 &priv->spi->dev, in ca8210_set_csma_params()
2283 "error setting max csma backoffs, MLME-SET.confirm status = %d", in ca8210_set_csma_params()
2291 * ca8210_set_frame_retries() - Sets the maximum frame retries of the ca8210
2303 struct ca8210_priv *priv = hw->priv; in ca8210_set_frame_retries()
2310 priv->spi in ca8210_set_frame_retries()
2314 &priv->spi->dev, in ca8210_set_frame_retries()
2315 "error setting frame retries, MLME-SET.confirm status = %d", in ca8210_set_frame_retries()
2325 struct ca8210_priv *priv = hw->priv; in ca8210_set_promiscuous_mode()
2332 priv->spi in ca8210_set_promiscuous_mode()
2336 &priv->spi->dev, in ca8210_set_promiscuous_mode()
2337 "error setting promiscuous mode, MLME-SET.confirm status = %d", in ca8210_set_promiscuous_mode()
2341 priv->promiscuous = on; in ca8210_set_promiscuous_mode()
2364 * ca8210_test_int_open() - Opens the test interface to the userspace
2372 struct ca8210_priv *priv = inodp->i_private; in ca8210_test_int_open()
2374 filp->private_data = priv; in ca8210_test_int_open()
2379 * ca8210_test_check_upstream() - Checks a command received from the upstream
2435 * ca8210_test_int_user_write() - Called by a process in userspace to send a
2440 * @off: file offset
2448 loff_t *off in ca8210_test_int_user_write() argument
2452 struct ca8210_priv *priv = filp->private_data; in ca8210_test_int_user_write()
2458 &priv->spi->dev, in ca8210_test_int_user_write()
2462 return -EBADE; in ca8210_test_int_user_write()
2468 &priv->spi->dev, in ca8210_test_int_user_write()
2472 return -EIO; in ca8210_test_int_user_write()
2476 &priv->spi->dev, in ca8210_test_int_user_write()
2479 return -EBADE; in ca8210_test_int_user_write()
2482 ret = ca8210_test_check_upstream(command, priv->spi); in ca8210_test_int_user_write()
2488 priv->spi in ca8210_test_int_user_write()
2493 &priv->spi->dev, in ca8210_test_int_user_write()
2499 priv->sync_down++; in ca8210_test_int_user_write()
2506 * ca8210_test_int_user_read() - Called by a process in userspace to read a
2527 struct ca8210_priv *priv = filp->private_data; in ca8210_test_int_user_read()
2531 if (filp->f_flags & O_NONBLOCK) { in ca8210_test_int_user_read()
2532 /* Non-blocking mode */ in ca8210_test_int_user_read()
2533 if (kfifo_is_empty(&priv->test.up_fifo)) in ca8210_test_int_user_read()
2538 priv->test.readq, in ca8210_test_int_user_read()
2539 !kfifo_is_empty(&priv->test.up_fifo) in ca8210_test_int_user_read()
2543 if (kfifo_out(&priv->test.up_fifo, &fifo_buffer, 4) != 4) { in ca8210_test_int_user_read()
2545 &priv->spi->dev, in ca8210_test_int_user_read()
2556 &priv->spi->dev, in ca8210_test_int_user_read()
2562 dev_dbg(&priv->spi->dev, "test_interface: Cmd len = %d\n", cmdlen); in ca8210_test_int_user_read()
2564 dev_dbg(&priv->spi->dev, "test_interface: Read\n"); in ca8210_test_int_user_read()
2566 dev_dbg(&priv->spi->dev, "%#03x\n", fifo_buffer[i]); in ca8210_test_int_user_read()
2574 * ca8210_test_int_ioctl() - Called by a process in userspace to enact an
2588 struct ca8210_priv *priv = filp->private_data; in ca8210_test_int_ioctl()
2592 ca8210_reset_send(priv->spi, ioctl_param); in ca8210_test_int_ioctl()
2601 * ca8210_test_int_poll() - Called by a process in userspace to determine which
2614 struct ca8210_priv *priv = filp->private_data; in ca8210_test_int_poll()
2616 poll_wait(filp, &priv->test.readq, ptable); in ca8210_test_int_poll()
2617 if (!kfifo_is_empty(&priv->test.up_fifo)) in ca8210_test_int_poll()
2620 priv->test.readq, in ca8210_test_int_poll()
2621 !kfifo_is_empty(&priv->test.up_fifo))) { in ca8210_test_int_poll()
2639 * ca8210_get_platform_data() - Populate a ca8210_platform_data object
2652 if (!spi_device->dev.of_node) in ca8210_get_platform_data()
2653 return -EINVAL; in ca8210_get_platform_data()
2655 pdata->extclockenable = of_property_read_bool( in ca8210_get_platform_data()
2656 spi_device->dev.of_node, in ca8210_get_platform_data()
2657 "extclock-enable" in ca8210_get_platform_data()
2659 if (pdata->extclockenable) { in ca8210_get_platform_data()
2661 spi_device->dev.of_node, in ca8210_get_platform_data()
2662 "extclock-freq", in ca8210_get_platform_data()
2663 &pdata->extclockfreq in ca8210_get_platform_data()
2669 spi_device->dev.of_node, in ca8210_get_platform_data()
2670 "extclock-gpio", in ca8210_get_platform_data()
2671 &pdata->extclockgpio in ca8210_get_platform_data()
2679 * ca8210_config_extern_clk() - Configure the external clock provided by the
2683 * @on: True to turn the clock on, false to turn off
2699 dev_info(&spi->dev, "Switching external clock on\n"); in ca8210_config_extern_clk()
2700 switch (pdata->extclockfreq) { in ca8210_config_extern_clk()
2717 dev_crit(&spi->dev, "Invalid extclock-freq\n"); in ca8210_config_extern_clk()
2718 return -EINVAL; in ca8210_config_extern_clk()
2720 clkparam[1] = pdata->extclockgpio; in ca8210_config_extern_clk()
2722 dev_info(&spi->dev, "Switching external clock off\n"); in ca8210_config_extern_clk()
2723 clkparam[0] = 0; /* off */ in ca8210_config_extern_clk()
2732 * ca8210_register_ext_clock() - Register ca8210's external clock with kernel
2739 struct device_node *np = spi->dev.of_node; in ca8210_register_ext_clock()
2741 struct ca8210_platform_data *pdata = spi->dev.platform_data; in ca8210_register_ext_clock()
2745 return -EFAULT; in ca8210_register_ext_clock()
2747 priv->clk = clk_register_fixed_rate( in ca8210_register_ext_clock()
2748 &spi->dev, in ca8210_register_ext_clock()
2749 np->name, in ca8210_register_ext_clock()
2752 pdata->extclockfreq in ca8210_register_ext_clock()
2755 if (IS_ERR(priv->clk)) { in ca8210_register_ext_clock()
2756 dev_crit(&spi->dev, "Failed to register external clk\n"); in ca8210_register_ext_clock()
2757 return PTR_ERR(priv->clk); in ca8210_register_ext_clock()
2759 ret = of_clk_add_provider(np, of_clk_src_simple_get, priv->clk); in ca8210_register_ext_clock()
2761 clk_unregister(priv->clk); in ca8210_register_ext_clock()
2763 &spi->dev, in ca8210_register_ext_clock()
2767 dev_info(&spi->dev, "External clock set as clock provider\n"); in ca8210_register_ext_clock()
2774 * ca8210_unregister_ext_clock() - Unregister ca8210's external clock with
2782 if (!priv->clk) in ca8210_unregister_ext_clock()
2785 of_clk_del_provider(spi->dev.of_node); in ca8210_unregister_ext_clock()
2786 clk_unregister(priv->clk); in ca8210_unregister_ext_clock()
2787 dev_info(&spi->dev, "External clock unregistered\n"); in ca8210_unregister_ext_clock()
2791 * ca8210_reset_init() - Initialise the reset input to the ca8210
2799 struct ca8210_platform_data *pdata = spi->dev.platform_data; in ca8210_reset_init()
2801 pdata->gpio_reset = of_get_named_gpio( in ca8210_reset_init()
2802 spi->dev.of_node, in ca8210_reset_init()
2803 "reset-gpio", in ca8210_reset_init()
2807 ret = gpio_direction_output(pdata->gpio_reset, 1); in ca8210_reset_init()
2810 &spi->dev, in ca8210_reset_init()
2812 pdata->gpio_reset in ca8210_reset_init()
2820 * ca8210_interrupt_init() - Initialise the irq output from the ca8210
2828 struct ca8210_platform_data *pdata = spi->dev.platform_data; in ca8210_interrupt_init()
2830 pdata->gpio_irq = of_get_named_gpio( in ca8210_interrupt_init()
2831 spi->dev.of_node, in ca8210_interrupt_init()
2832 "irq-gpio", in ca8210_interrupt_init()
2836 pdata->irq_id = gpio_to_irq(pdata->gpio_irq); in ca8210_interrupt_init()
2837 if (pdata->irq_id < 0) { in ca8210_interrupt_init()
2839 &spi->dev, in ca8210_interrupt_init()
2841 pdata->gpio_irq in ca8210_interrupt_init()
2843 gpio_free(pdata->gpio_irq); in ca8210_interrupt_init()
2844 return pdata->irq_id; in ca8210_interrupt_init()
2848 pdata->irq_id, in ca8210_interrupt_init()
2851 "ca8210-irq", in ca8210_interrupt_init()
2855 dev_crit(&spi->dev, "request_irq %d failed\n", pdata->irq_id); in ca8210_interrupt_init()
2856 gpio_unexport(pdata->gpio_irq); in ca8210_interrupt_init()
2857 gpio_free(pdata->gpio_irq); in ca8210_interrupt_init()
2864 * ca8210_dev_com_init() - Initialise the spi communication component
2871 priv->mlme_workqueue = alloc_ordered_workqueue( in ca8210_dev_com_init()
2875 if (!priv->mlme_workqueue) { in ca8210_dev_com_init()
2876 dev_crit(&priv->spi->dev, "alloc of mlme_workqueue failed!\n"); in ca8210_dev_com_init()
2877 return -ENOMEM; in ca8210_dev_com_init()
2880 priv->irq_workqueue = alloc_ordered_workqueue( in ca8210_dev_com_init()
2884 if (!priv->irq_workqueue) { in ca8210_dev_com_init()
2885 dev_crit(&priv->spi->dev, "alloc of irq_workqueue failed!\n"); in ca8210_dev_com_init()
2886 destroy_workqueue(priv->mlme_workqueue); in ca8210_dev_com_init()
2887 return -ENOMEM; in ca8210_dev_com_init()
2894 * ca8210_dev_com_clear() - Deinitialise the spi communication component
2899 destroy_workqueue(priv->mlme_workqueue); in ca8210_dev_com_clear()
2900 destroy_workqueue(priv->irq_workqueue); in ca8210_dev_com_clear()
2910 -10300, -10250, -10200, -10150, -10100, -10050, -10000, -9950, -9900,
2911 -9850, -9800, -9750, -9700, -9650, -9600, -9550, -9500, -9450, -9400,
2912 -9350, -9300
2916 * ca8210_hw_setup() - Populate the ieee802154_hw phy attributes with the
2922 /* Support channels 11-26 */ in ca8210_hw_setup()
2923 ca8210_hw->phy->supported.channels[0] = CA8210_VALID_CHANNELS; in ca8210_hw_setup()
2924 ca8210_hw->phy->supported.tx_powers_size = CA8210_MAX_TX_POWERS; in ca8210_hw_setup()
2925 ca8210_hw->phy->supported.tx_powers = ca8210_tx_powers; in ca8210_hw_setup()
2926 ca8210_hw->phy->supported.cca_ed_levels_size = CA8210_MAX_ED_LEVELS; in ca8210_hw_setup()
2927 ca8210_hw->phy->supported.cca_ed_levels = ca8210_ed_levels; in ca8210_hw_setup()
2928 ca8210_hw->phy->current_channel = 18; in ca8210_hw_setup()
2929 ca8210_hw->phy->current_page = 0; in ca8210_hw_setup()
2930 ca8210_hw->phy->transmit_power = 800; in ca8210_hw_setup()
2931 ca8210_hw->phy->cca.mode = NL802154_CCA_ENERGY_CARRIER; in ca8210_hw_setup()
2932 ca8210_hw->phy->cca.opt = NL802154_CCA_OPT_ENERGY_CARRIER_AND; in ca8210_hw_setup()
2933 ca8210_hw->phy->cca_ed_level = -9800; in ca8210_hw_setup()
2934 ca8210_hw->phy->symbol_duration = 16; in ca8210_hw_setup()
2935 ca8210_hw->phy->lifs_period = 40 * ca8210_hw->phy->symbol_duration; in ca8210_hw_setup()
2936 ca8210_hw->phy->sifs_period = 12 * ca8210_hw->phy->symbol_duration; in ca8210_hw_setup()
2937 ca8210_hw->flags = in ca8210_hw_setup()
2943 ca8210_hw->phy->flags = in ca8210_hw_setup()
2950 * ca8210_test_interface_init() - Initialise the test file interface
2962 struct ca8210_test *test = &priv->test; in ca8210_test_interface_init()
2969 priv->spi->master->bus_num, in ca8210_test_interface_init()
2970 priv->spi->chip_select in ca8210_test_interface_init()
2973 test->ca8210_dfs_spi_int = debugfs_create_file( in ca8210_test_interface_init()
2982 init_waitqueue_head(&test->readq); in ca8210_test_interface_init()
2984 &test->up_fifo, in ca8210_test_interface_init()
2991 * ca8210_test_interface_clear() - Deinitialise the test file interface
2996 struct ca8210_test *test = &priv->test; in ca8210_test_interface_clear()
2998 debugfs_remove(test->ca8210_dfs_spi_int); in ca8210_test_interface_clear()
2999 kfifo_free(&test->up_fifo); in ca8210_test_interface_clear()
3000 dev_info(&priv->spi->dev, "Test interface removed\n"); in ca8210_test_interface_clear()
3004 * ca8210_remove() - Shut down a ca8210 upon being disconnected
3014 dev_info(&spi_device->dev, "Removing ca8210\n"); in ca8210_remove()
3016 pdata = spi_device->dev.platform_data; in ca8210_remove()
3018 if (pdata->extclockenable) { in ca8210_remove()
3022 free_irq(pdata->irq_id, spi_device->dev.driver_data); in ca8210_remove()
3024 spi_device->dev.platform_data = NULL; in ca8210_remove()
3030 &spi_device->dev, in ca8210_remove()
3032 priv->sync_down, in ca8210_remove()
3033 priv->sync_up in ca8210_remove()
3035 ca8210_dev_com_clear(spi_device->dev.driver_data); in ca8210_remove()
3036 if (priv->hw) { in ca8210_remove()
3037 if (priv->hw_registered) in ca8210_remove()
3038 ieee802154_unregister_hw(priv->hw); in ca8210_remove()
3039 ieee802154_free_hw(priv->hw); in ca8210_remove()
3040 priv->hw = NULL; in ca8210_remove()
3042 &spi_device->dev, in ca8210_remove()
3052 * ca8210_probe() - Set up a connected ca8210 upon being detected by the system
3064 dev_info(&spi_device->dev, "Inserting ca8210\n"); in ca8210_probe()
3069 dev_crit(&spi_device->dev, "ieee802154_alloc_hw failed\n"); in ca8210_probe()
3070 ret = -ENOMEM; in ca8210_probe()
3074 priv = hw->priv; in ca8210_probe()
3075 priv->hw = hw; in ca8210_probe()
3076 priv->spi = spi_device; in ca8210_probe()
3077 hw->parent = &spi_device->dev; in ca8210_probe()
3078 spin_lock_init(&priv->lock); in ca8210_probe()
3079 priv->async_tx_pending = false; in ca8210_probe()
3080 priv->hw_registered = false; in ca8210_probe()
3081 priv->sync_up = 0; in ca8210_probe()
3082 priv->sync_down = 0; in ca8210_probe()
3083 priv->promiscuous = false; in ca8210_probe()
3084 priv->retries = 0; in ca8210_probe()
3085 init_completion(&priv->ca8210_is_awake); in ca8210_probe()
3086 init_completion(&priv->spi_transfer_complete); in ca8210_probe()
3087 init_completion(&priv->sync_exchange_complete); in ca8210_probe()
3088 spi_set_drvdata(priv->spi, priv); in ca8210_probe()
3096 ieee802154_random_extended_addr(&hw->phy->perm_extended_addr); in ca8210_probe()
3100 ret = -ENOMEM; in ca8210_probe()
3104 priv->spi->dev.platform_data = pdata; in ca8210_probe()
3105 ret = ca8210_get_platform_data(priv->spi, pdata); in ca8210_probe()
3107 dev_crit(&spi_device->dev, "ca8210_get_platform_data failed\n"); in ca8210_probe()
3113 dev_crit(&spi_device->dev, "ca8210_dev_com_init failed\n"); in ca8210_probe()
3116 ret = ca8210_reset_init(priv->spi); in ca8210_probe()
3118 dev_crit(&spi_device->dev, "ca8210_reset_init failed\n"); in ca8210_probe()
3122 ret = ca8210_interrupt_init(priv->spi); in ca8210_probe()
3124 dev_crit(&spi_device->dev, "ca8210_interrupt_init failed\n"); in ca8210_probe()
3130 ca8210_reset_send(priv->spi, 1); in ca8210_probe()
3132 ret = tdme_chipinit(priv->spi); in ca8210_probe()
3134 dev_crit(&spi_device->dev, "tdme_chipinit failed\n"); in ca8210_probe()
3138 if (pdata->extclockenable) { in ca8210_probe()
3139 ret = ca8210_config_extern_clk(pdata, priv->spi, 1); in ca8210_probe()
3142 &spi_device->dev, in ca8210_probe()
3147 ret = ca8210_register_ext_clock(priv->spi); in ca8210_probe()
3150 &spi_device->dev, in ca8210_probe()
3159 dev_crit(&spi_device->dev, "ieee802154_register_hw failed\n"); in ca8210_probe()
3162 priv->hw_registered = true; in ca8210_probe()
3190 MODULE_DESCRIPTION("CA-8210 SoftMAC driver");