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>
131 #define NS_IEEE_ADDRESS (0xFF) /* Non-standard IEEE address */
140 #define MAX_BEACON_PAYLOAD_LENGTH (IEEE802154_MTU - MAX_BEACON_OVERHEAD)
251 * struct cas_control - spi transfer structure
272 * struct ca8210_test - ca8210 test interface structure
286 * struct ca8210_priv - ca8210 private data structure
335 * struct work_priv_container - link between a work object and the relevant
347 * struct ca8210_platform_data - ca8210 platform data structure
366 * struct fulladdr - full MAC addressing information structure
368 * @pan_id: 16-bit LE pan id
380 * @short_address: 16-bit short address
381 * @ieee_address: 64-bit extended address as LE byte array
391 * @security_level: 0-7, controls level of authentication & encryption
392 * @key_id_mode: 0-3, specifies how to obtain key
394 * @key_index: single-byte key identifier
497 * link_to_linux_err() - Translates an 802.15.4 return code into the closest
514 return -EKEYREJECTED; in link_to_linux_err()
518 return -EACCES; in link_to_linux_err()
522 return -ENETUNREACH; in link_to_linux_err()
526 return -EBUSY; in link_to_linux_err()
529 return -EAGAIN; in link_to_linux_err()
531 return -EMSGSIZE; in link_to_linux_err()
534 return -EBADSLT; in link_to_linux_err()
536 return -EBADMSG; in link_to_linux_err()
541 return -EINVAL; in link_to_linux_err()
543 return -ENODATA; in link_to_linux_err()
545 return -EFAULT; in link_to_linux_err()
547 return -EADDRINUSE; in link_to_linux_err()
549 return -ETIME; in link_to_linux_err()
551 return -ENOBUFS; in link_to_linux_err()
553 return -ENOKEY; in link_to_linux_err()
555 return -ENXIO; in link_to_linux_err()
558 return -EREMOTEIO; in link_to_linux_err()
560 return -EDQUOT; in link_to_linux_err()
562 return -EROFS; in link_to_linux_err()
564 return -EPROTO; in link_to_linux_err()
569 * ca8210_test_int_driver_write() - Writes a message to the test interface to be
584 struct ca8210_test *test = &priv->test; in ca8210_test_int_driver_write()
589 &priv->spi->dev, in ca8210_test_int_driver_write()
593 dev_dbg(&priv->spi->dev, "%#03x\n", buf[i]); in ca8210_test_int_driver_write()
597 return -ENOMEM; in ca8210_test_int_driver_write()
598 kfifo_in(&test->up_fifo, &fifo_buffer, 4); in ca8210_test_int_driver_write()
599 wake_up_interruptible(&priv->test.readq); in ca8210_test_int_driver_write()
622 * ca8210_reset_send() - Hard resets the ca8210 for a given time
628 struct device *dev = &spi->dev; in ca8210_reset_send()
633 gpiod_set_value(pdata->reset_gpio, 1); in ca8210_reset_send()
634 reinit_completion(&priv->ca8210_is_awake); in ca8210_reset_send()
636 gpiod_set_value(pdata->reset_gpio, 0); in ca8210_reset_send()
637 priv->promiscuous = false; in ca8210_reset_send()
641 &priv->ca8210_is_awake, in ca8210_reset_send()
646 &spi->dev, in ca8210_reset_send()
651 dev_dbg(&spi->dev, "Reset the device\n"); in ca8210_reset_send()
655 * ca8210_mlme_reset_worker() - Resets the MLME, Called when the MAC OVERFLOW
666 struct ca8210_priv *priv = wpc->priv; in ca8210_mlme_reset_worker()
668 mlme_reset_request_sync(0, priv->spi); in ca8210_mlme_reset_worker()
673 * ca8210_rx_done() - Calls various message dispatches responding to a received
685 struct ca8210_priv *priv = cas_ctl->priv; in ca8210_rx_done()
687 buf = cas_ctl->tx_in_buf; in ca8210_rx_done()
691 &priv->spi->dev, in ca8210_rx_done()
699 if (priv->sync_command_response) { in ca8210_rx_done()
700 memcpy(priv->sync_command_response, buf, len); in ca8210_rx_done()
701 complete(&priv->sync_exchange_complete); in ca8210_rx_done()
704 cascoda_api_upstream(buf, len, priv->spi); in ca8210_rx_done()
705 priv->sync_up++; in ca8210_rx_done()
709 cascoda_api_upstream(buf, len, priv->spi); in ca8210_rx_done()
712 ca8210_net_rx(priv->hw, buf, len); in ca8210_rx_done()
716 &priv->spi->dev, in ca8210_rx_done()
720 &priv->spi->dev, in ca8210_rx_done()
728 &mlme_reset_wpc->work, in ca8210_rx_done()
731 mlme_reset_wpc->priv = priv; in ca8210_rx_done()
732 queue_work(priv->mlme_workqueue, &mlme_reset_wpc->work); in ca8210_rx_done()
736 &priv->spi->dev, in ca8210_rx_done()
742 &priv->spi->dev, in ca8210_rx_done()
743 "Transceiver woken up from Power Up / System Reset\n" in ca8210_rx_done()
748 &priv->spi->dev, in ca8210_rx_done()
749 "Watchdog Timer Time-Out\n" in ca8210_rx_done()
754 &priv->spi->dev, in ca8210_rx_done()
755 "Transceiver woken up from Power-Off by Sleep Timer Time-Out\n"); in ca8210_rx_done()
759 &priv->spi->dev, in ca8210_rx_done()
760 "Transceiver woken up from Power-Off by GPIO Activity\n" in ca8210_rx_done()
765 &priv->spi->dev, in ca8210_rx_done()
766 "Transceiver woken up from Standby by Sleep Timer Time-Out\n" in ca8210_rx_done()
771 &priv->spi->dev, in ca8210_rx_done()
777 &priv->spi->dev, in ca8210_rx_done()
778 "Sleep-Timer Time-Out in Active Mode\n" in ca8210_rx_done()
782 dev_warn(&priv->spi->dev, "Wakeup reason unknown\n"); in ca8210_rx_done()
785 complete(&priv->ca8210_is_awake); in ca8210_rx_done()
794 * ca8210_spi_transfer_complete() - Called when a single spi transfer has
801 struct ca8210_priv *priv = cas_ctl->priv; in ca8210_spi_transfer_complete()
807 cas_ctl->tx_in_buf[0] == SPI_NACK || in ca8210_spi_transfer_complete()
808 (cas_ctl->tx_in_buf[0] == SPI_IDLE && in ca8210_spi_transfer_complete()
809 cas_ctl->tx_in_buf[1] == SPI_NACK) in ca8210_spi_transfer_complete()
812 dev_info(&priv->spi->dev, "ca8210 was busy during attempted write\n"); in ca8210_spi_transfer_complete()
813 if (cas_ctl->tx_buf[0] == SPI_IDLE) { in ca8210_spi_transfer_complete()
815 &priv->spi->dev, in ca8210_spi_transfer_complete()
821 if (priv->retries > 3) { in ca8210_spi_transfer_complete()
822 dev_err(&priv->spi->dev, "too many retries!\n"); in ca8210_spi_transfer_complete()
824 ca8210_remove(priv->spi); in ca8210_spi_transfer_complete()
827 memcpy(retry_buffer, cas_ctl->tx_buf, CA8210_SPI_BUF_SIZE); in ca8210_spi_transfer_complete()
830 priv->spi, in ca8210_spi_transfer_complete()
834 priv->retries++; in ca8210_spi_transfer_complete()
835 dev_info(&priv->spi->dev, "retried spi write\n"); in ca8210_spi_transfer_complete()
838 cas_ctl->tx_in_buf[0] != SPI_IDLE && in ca8210_spi_transfer_complete()
839 cas_ctl->tx_in_buf[0] != SPI_NACK in ca8210_spi_transfer_complete()
845 dev_dbg(&priv->spi->dev, "READ CMD DURING TX\n"); in ca8210_spi_transfer_complete()
846 for (i = 0; i < cas_ctl->tx_in_buf[1] + 2; i++) in ca8210_spi_transfer_complete()
848 &priv->spi->dev, in ca8210_spi_transfer_complete()
850 cas_ctl->tx_in_buf[i] in ca8210_spi_transfer_complete()
854 complete(&priv->spi_transfer_complete); in ca8210_spi_transfer_complete()
856 priv->retries = 0; in ca8210_spi_transfer_complete()
860 * ca8210_spi_transfer() - Initiate duplex spi transfer with ca8210
879 return -ENODEV; in ca8210_spi_transfer()
883 reinit_completion(&priv->spi_transfer_complete); in ca8210_spi_transfer()
885 dev_dbg(&spi->dev, "%s called\n", __func__); in ca8210_spi_transfer()
889 return -ENOMEM; in ca8210_spi_transfer()
891 cas_ctl->priv = priv; in ca8210_spi_transfer()
892 memset(cas_ctl->tx_buf, SPI_IDLE, CA8210_SPI_BUF_SIZE); in ca8210_spi_transfer()
893 memset(cas_ctl->tx_in_buf, SPI_IDLE, CA8210_SPI_BUF_SIZE); in ca8210_spi_transfer()
894 memcpy(cas_ctl->tx_buf, buf, len); in ca8210_spi_transfer()
897 dev_dbg(&spi->dev, "%#03x\n", cas_ctl->tx_buf[i]); in ca8210_spi_transfer()
899 spi_message_init(&cas_ctl->msg); in ca8210_spi_transfer()
901 cas_ctl->transfer.tx_nbits = 1; /* 1 MOSI line */ in ca8210_spi_transfer()
902 cas_ctl->transfer.rx_nbits = 1; /* 1 MISO line */ in ca8210_spi_transfer()
903 cas_ctl->transfer.speed_hz = 0; /* Use device setting */ in ca8210_spi_transfer()
904 cas_ctl->transfer.bits_per_word = 0; /* Use device setting */ in ca8210_spi_transfer()
905 cas_ctl->transfer.tx_buf = cas_ctl->tx_buf; in ca8210_spi_transfer()
906 cas_ctl->transfer.rx_buf = cas_ctl->tx_in_buf; in ca8210_spi_transfer()
907 cas_ctl->transfer.delay.value = 0; in ca8210_spi_transfer()
908 cas_ctl->transfer.delay.unit = SPI_DELAY_UNIT_USECS; in ca8210_spi_transfer()
909 cas_ctl->transfer.cs_change = 0; in ca8210_spi_transfer()
910 cas_ctl->transfer.len = sizeof(struct mac_message); in ca8210_spi_transfer()
911 cas_ctl->msg.complete = ca8210_spi_transfer_complete; in ca8210_spi_transfer()
912 cas_ctl->msg.context = cas_ctl; in ca8210_spi_transfer()
915 &cas_ctl->transfer, in ca8210_spi_transfer()
916 &cas_ctl->msg in ca8210_spi_transfer()
919 status = spi_async(spi, &cas_ctl->msg); in ca8210_spi_transfer()
922 &spi->dev, in ca8210_spi_transfer()
932 * ca8210_spi_exchange() - Exchange API/SAP commands with the radio
953 struct ca8210_priv *priv = spi->dev.driver_data; in ca8210_spi_exchange()
957 reinit_completion(&priv->sync_exchange_complete); in ca8210_spi_exchange()
958 priv->sync_command_response = response; in ca8210_spi_exchange()
962 reinit_completion(&priv->spi_transfer_complete); in ca8210_spi_exchange()
963 status = ca8210_spi_transfer(priv->spi, buf, len); in ca8210_spi_exchange()
966 &spi->dev, in ca8210_spi_exchange()
970 if (status == -EBUSY) in ca8210_spi_exchange()
973 complete(&priv->sync_exchange_complete); in ca8210_spi_exchange()
978 &priv->spi_transfer_complete, in ca8210_spi_exchange()
981 if (wait_remaining == -ERESTARTSYS) { in ca8210_spi_exchange()
982 status = -ERESTARTSYS; in ca8210_spi_exchange()
985 &spi->dev, in ca8210_spi_exchange()
988 status = -ETIME; in ca8210_spi_exchange()
997 &priv->sync_exchange_complete, in ca8210_spi_exchange()
1000 if (wait_remaining == -ERESTARTSYS) { in ca8210_spi_exchange()
1001 status = -ERESTARTSYS; in ca8210_spi_exchange()
1004 &spi->dev, in ca8210_spi_exchange()
1007 status = -ETIME; in ca8210_spi_exchange()
1011 priv->sync_command_response = NULL; in ca8210_spi_exchange()
1016 * ca8210_interrupt_handler() - Called when an irq is received from the ca8210
1031 dev_dbg(&priv->spi->dev, "irq: Interrupt occurred\n"); in ca8210_interrupt_handler()
1033 status = ca8210_spi_transfer(priv->spi, NULL, 0); in ca8210_interrupt_handler()
1034 if (status && (status != -EBUSY)) { in ca8210_interrupt_handler()
1036 &priv->spi->dev, in ca8210_interrupt_handler()
1041 } while (status == -EBUSY); in ca8210_interrupt_handler()
1055 * tdme_setsfr_request_sync() - TDME_SETSFR_request/confirm according to API
1061 * Return: 802.15.4 status code of TDME-SETSFR.confirm
1087 dev_crit(&spi->dev, "cascoda_api_downstream returned %d", ret); in tdme_setsfr_request_sync()
1093 &spi->dev, in tdme_setsfr_request_sync()
1104 * tdme_chipinit() - TDME Chip Register Default Initialisation Macro
1172 /* Tx Output Power 8 dBm */ in tdme_chipinit()
1182 &spi->dev, in tdme_chipinit()
1192 * tdme_channelinit() - TDME Channel Register Default Initialisation Macro (Tx)
1200 /* Transceiver front-end local oscillator tx two-point calibration in tdme_channelinit()
1233 * tdme_checkpibattribute() - Checks Attribute Values that are not checked in
1315 /* MAC SEC */ in tdme_checkpibattribute()
1332 * tdme_settxpower() - Sets the tx power for MLME_SET phyTransmitPower
1333 * @txp: Transmit Power
1336 * Normalised to 802.15.4 Definition (6-bit, signed):
1337 * Bit 7-6: not used
1338 * Bit 5-0: tx power (-32 - +31 dB)
1362 /* 0 dBm: ptrim = 7, itrim = +3 => -6 dBm */ in tdme_settxpower()
1375 /* Look-Up Table for Setting Current and Frequency Trim values in tdme_settxpower()
1376 * for desired Output Power in tdme_settxpower()
1414 * mcps_data_request() - mcps_data_request (Send Data) according to API Spec
1451 dst_addr->short_address in mcps_data_request()
1454 dst_addr->short_address in mcps_data_request()
1459 dst_addr->ieee_address, in mcps_data_request()
1469 command.length = sizeof(struct mcps_data_request_pset) - in mcps_data_request()
1471 if (!security || security->security_level == 0) { in mcps_data_request()
1472 psec->security_level = 0; in mcps_data_request()
1487 * mlme_reset_request_sync() - MLME_RESET_request/confirm according to API Spec
1491 * Return: 802.15.4 status code of MLME-RESET.confirm
1511 dev_err(&spi->dev, "cascoda_api_downstream failed\n"); in mlme_reset_request_sync()
1534 * mlme_set_request_sync() - MLME_SET_request/confirm according to API Spec
1541 * Return: 802.15.4 status code of MLME-SET.confirm
1554 /* pre-check the validity of pib_attribute values that are not checked in mlme_set_request_sync()
1579 command.length = sizeof(struct mlme_set_request_pset) - in mlme_set_request_sync()
1605 * hwme_set_request_sync() - HWME_SET_request/confirm according to API Spec
1611 * Return: 802.15.4 status code of HWME-SET.confirm
1647 * hwme_get_request_sync() - HWME_GET_request/confirm according to API Spec
1653 * Return: 802.15.4 status code of HWME-GET.confirm
1695 * ca8210_async_xmit_complete() - Called to announce that an asynchronous
1708 struct ca8210_priv *priv = hw->priv; in ca8210_async_xmit_complete()
1710 if (priv->nextmsduhandle != msduhandle) { in ca8210_async_xmit_complete()
1712 &priv->spi->dev, in ca8210_async_xmit_complete()
1714 priv->nextmsduhandle, in ca8210_async_xmit_complete()
1717 return -EIO; in ca8210_async_xmit_complete()
1720 priv->async_tx_pending = false; in ca8210_async_xmit_complete()
1721 priv->nextmsduhandle++; in ca8210_async_xmit_complete()
1725 &priv->spi->dev, in ca8210_async_xmit_complete()
1730 ieee802154_xmit_error(priv->hw, priv->tx_skb, status); in ca8210_async_xmit_complete()
1734 ieee802154_xmit_complete(priv->hw, priv->tx_skb, true); in ca8210_async_xmit_complete()
1740 * ca8210_skb_rx() - Contructs a properly framed socket buffer from a received
1763 struct ca8210_priv *priv = hw->priv; in ca8210_skb_rx()
1768 return -ENOMEM; in ca8210_skb_rx()
1775 &priv->spi->dev, in ca8210_skb_rx()
1779 return -EMSGSIZE; in ca8210_skb_rx()
1781 dev_dbg(&priv->spi->dev, "skb buffer length = %d\n", msdulen); in ca8210_skb_rx()
1783 if (priv->promiscuous) in ca8210_skb_rx()
1787 hdr.sec.level = data_ind[29 + msdulen]; in ca8210_skb_rx()
1788 dev_dbg(&priv->spi->dev, "security level: %#03x\n", hdr.sec.level); in ca8210_skb_rx()
1789 if (hdr.sec.level > 0) { in ca8210_skb_rx()
1790 hdr.sec.key_id_mode = data_ind[30 + msdulen]; in ca8210_skb_rx()
1791 memcpy(&hdr.sec.extended_src, &data_ind[31 + msdulen], 8); in ca8210_skb_rx()
1792 hdr.sec.key_id = data_ind[39 + msdulen]; in ca8210_skb_rx()
1795 dev_dbg(&priv->spi->dev, "srcAddrMode: %#03x\n", hdr.source.mode); in ca8210_skb_rx()
1797 dev_dbg(&priv->spi->dev, "srcPanId: %#06x\n", hdr.source.pan_id); in ca8210_skb_rx()
1800 dev_dbg(&priv->spi->dev, "dstAddrMode: %#03x\n", hdr.dest.mode); in ca8210_skb_rx()
1802 dev_dbg(&priv->spi->dev, "dstPanId: %#06x\n", hdr.dest.pan_id); in ca8210_skb_rx()
1807 if (hdr.sec.level) in ca8210_skb_rx()
1822 dev_crit(&priv->spi->dev, "failed to push mac hdr onto skb!\n"); in ca8210_skb_rx()
1828 skb->mac_len = hlen; in ca8210_skb_rx()
1840 * ca8210_net_rx() - Acts upon received SAP commands relevant to the network
1854 struct ca8210_priv *priv = hw->priv; in ca8210_net_rx()
1858 dev_dbg(&priv->spi->dev, "%s: CmdID = %d\n", __func__, command[0]); in ca8210_net_rx()
1862 spin_lock_irqsave(&priv->lock, flags); in ca8210_net_rx()
1863 if (command[26] == priv->last_dsn) { in ca8210_net_rx()
1865 &priv->spi->dev, in ca8210_net_rx()
1869 spin_unlock_irqrestore(&priv->lock, flags); in ca8210_net_rx()
1872 priv->last_dsn = command[26]; in ca8210_net_rx()
1873 spin_unlock_irqrestore(&priv->lock, flags); in ca8210_net_rx()
1874 return ca8210_skb_rx(hw, len - 2, command + 2); in ca8210_net_rx()
1877 if (priv->async_tx_pending) { in ca8210_net_rx()
1890 * ca8210_skb_tx() - Transmits a given socket buffer using the ca8210
1907 dev_dbg(&priv->spi->dev, "%s called\n", __func__); in ca8210_skb_tx()
1909 /* Get addressing info from skb - ieee802154 layer creates a full in ca8210_skb_tx()
1916 secspec.security_level = header.sec.level; in ca8210_skb_tx()
1917 secspec.key_id_mode = header.sec.key_id_mode; in ca8210_skb_tx()
1919 memcpy(secspec.key_source, &header.sec.short_src, 4); in ca8210_skb_tx()
1921 memcpy(secspec.key_source, &header.sec.extended_src, 8); in ca8210_skb_tx()
1922 secspec.key_index = header.sec.key_id; in ca8210_skb_tx()
1930 skb->len - mac_len, in ca8210_skb_tx()
1931 &skb->data[mac_len], in ca8210_skb_tx()
1935 priv->spi in ca8210_skb_tx()
1941 * ca8210_start() - Starts the network driver
1951 struct ca8210_priv *priv = hw->priv; in ca8210_start()
1953 priv->last_dsn = -1; in ca8210_start()
1961 priv->spi in ca8210_start()
1965 &priv->spi->dev, in ca8210_start()
1975 priv->spi in ca8210_start()
1979 &priv->spi->dev, in ca8210_start()
1990 * ca8210_stop() - Stops the network driver
2000 * ca8210_xmit_async() - Asynchronously transmits a given socket buffer using
2009 struct ca8210_priv *priv = hw->priv; in ca8210_xmit_async()
2012 dev_dbg(&priv->spi->dev, "calling %s\n", __func__); in ca8210_xmit_async()
2014 priv->tx_skb = skb; in ca8210_xmit_async()
2015 priv->async_tx_pending = true; in ca8210_xmit_async()
2016 status = ca8210_skb_tx(skb, priv->nextmsduhandle, priv); in ca8210_xmit_async()
2021 * ca8210_get_ed() - Returns the measured energy on the current channel at this
2022 * instant in time
2031 struct ca8210_priv *priv = hw->priv; in ca8210_get_ed()
2034 hwme_get_request_sync(HWME_EDVALUE, &lenvar, level, priv->spi) in ca8210_get_ed()
2039 * ca8210_set_channel() - Sets the current operating 802.15.4 channel of the
2054 struct ca8210_priv *priv = hw->priv; in ca8210_set_channel()
2061 priv->spi in ca8210_set_channel()
2065 &priv->spi->dev, in ca8210_set_channel()
2066 "error setting channel, MLME-SET.confirm status = %d\n", in ca8210_set_channel()
2074 * ca8210_set_hw_addr_filt() - Sets the address filtering parameters of the
2093 struct ca8210_priv *priv = hw->priv; in ca8210_set_hw_addr_filt()
2100 &filt->pan_id, priv->spi in ca8210_set_hw_addr_filt()
2104 &priv->spi->dev, in ca8210_set_hw_addr_filt()
2105 "error setting pan id, MLME-SET.confirm status = %d", in ca8210_set_hw_addr_filt()
2116 &filt->short_addr, priv->spi in ca8210_set_hw_addr_filt()
2120 &priv->spi->dev, in ca8210_set_hw_addr_filt()
2121 "error setting short address, MLME-SET.confirm status = %d", in ca8210_set_hw_addr_filt()
2132 &filt->ieee_addr, in ca8210_set_hw_addr_filt()
2133 priv->spi in ca8210_set_hw_addr_filt()
2137 &priv->spi->dev, in ca8210_set_hw_addr_filt()
2138 "error setting ieee address, MLME-SET.confirm status = %d", in ca8210_set_hw_addr_filt()
2149 * ca8210_set_tx_power() - Sets the transmit power of the ca8210
2151 * @mbm: Transmit power in mBm (dBm*100)
2157 struct ca8210_priv *priv = hw->priv; in ca8210_set_tx_power()
2161 mlme_set_request_sync(PHY_TRANSMIT_POWER, 0, 1, &mbm, priv->spi) in ca8210_set_tx_power()
2166 * ca8210_set_cca_mode() - Sets the clear channel assessment mode of the ca8210
2179 struct ca8210_priv *priv = hw->priv; in ca8210_set_cca_mode()
2181 cca_mode = cca->mode & 3; in ca8210_set_cca_mode()
2182 if (cca_mode == 3 && cca->opt == NL802154_CCA_OPT_ENERGY_CARRIER_OR) { in ca8210_set_cca_mode()
2191 priv->spi in ca8210_set_cca_mode()
2195 &priv->spi->dev, in ca8210_set_cca_mode()
2196 "error setting cca mode, MLME-SET.confirm status = %d", in ca8210_set_cca_mode()
2204 * ca8210_set_cca_ed_level() - Sets the CCA ED level of the ca8210
2209 * back off and retry a transmission.
2217 struct ca8210_priv *priv = hw->priv; in ca8210_set_cca_ed_level()
2223 priv->spi in ca8210_set_cca_ed_level()
2227 &priv->spi->dev, in ca8210_set_cca_ed_level()
2228 "error setting ed threshold, HWME-SET.confirm status = %d", in ca8210_set_cca_ed_level()
2236 * ca8210_set_csma_params() - Sets the CSMA parameters of the ca8210
2238 * @min_be: Minimum backoff exponent when backing off a transmission
2239 * @max_be: Maximum backoff exponent when backing off a transmission
2240 * @retries: Number of times to retry after backing off
2252 struct ca8210_priv *priv = hw->priv; in ca8210_set_csma_params()
2254 status = mlme_set_request_sync(MAC_MIN_BE, 0, 1, &min_be, priv->spi); in ca8210_set_csma_params()
2257 &priv->spi->dev, in ca8210_set_csma_params()
2258 "error setting min be, MLME-SET.confirm status = %d", in ca8210_set_csma_params()
2263 status = mlme_set_request_sync(MAC_MAX_BE, 0, 1, &max_be, priv->spi); in ca8210_set_csma_params()
2266 &priv->spi->dev, in ca8210_set_csma_params()
2267 "error setting max be, MLME-SET.confirm status = %d", in ca8210_set_csma_params()
2277 priv->spi in ca8210_set_csma_params()
2281 &priv->spi->dev, in ca8210_set_csma_params()
2282 "error setting max csma backoffs, MLME-SET.confirm status = %d", in ca8210_set_csma_params()
2290 * ca8210_set_frame_retries() - Sets the maximum frame retries of the ca8210
2302 struct ca8210_priv *priv = hw->priv; in ca8210_set_frame_retries()
2309 priv->spi in ca8210_set_frame_retries()
2313 &priv->spi->dev, in ca8210_set_frame_retries()
2314 "error setting frame retries, MLME-SET.confirm status = %d", in ca8210_set_frame_retries()
2324 struct ca8210_priv *priv = hw->priv; in ca8210_set_promiscuous_mode()
2331 priv->spi in ca8210_set_promiscuous_mode()
2335 &priv->spi->dev, in ca8210_set_promiscuous_mode()
2336 "error setting promiscuous mode, MLME-SET.confirm status = %d", in ca8210_set_promiscuous_mode()
2340 priv->promiscuous = on; in ca8210_set_promiscuous_mode()
2363 * ca8210_test_int_open() - Opens the test interface to the userspace
2371 struct ca8210_priv *priv = inodp->i_private; in ca8210_test_int_open()
2373 filp->private_data = priv; in ca8210_test_int_open()
2378 * ca8210_test_check_upstream() - Checks a command received from the upstream
2434 * ca8210_test_int_user_write() - Called by a process in userspace to send a
2439 * @off: file offset
2447 loff_t *off in ca8210_test_int_user_write() argument
2451 struct ca8210_priv *priv = filp->private_data; in ca8210_test_int_user_write()
2457 &priv->spi->dev, in ca8210_test_int_user_write()
2461 return -EBADE; in ca8210_test_int_user_write()
2467 &priv->spi->dev, in ca8210_test_int_user_write()
2471 return -EIO; in ca8210_test_int_user_write()
2475 &priv->spi->dev, in ca8210_test_int_user_write()
2478 return -EBADE; in ca8210_test_int_user_write()
2481 ret = ca8210_test_check_upstream(command, priv->spi); in ca8210_test_int_user_write()
2487 priv->spi in ca8210_test_int_user_write()
2492 &priv->spi->dev, in ca8210_test_int_user_write()
2498 priv->sync_down++; in ca8210_test_int_user_write()
2505 * ca8210_test_int_user_read() - Called by a process in userspace to read a
2526 struct ca8210_priv *priv = filp->private_data; in ca8210_test_int_user_read()
2530 if (filp->f_flags & O_NONBLOCK) { in ca8210_test_int_user_read()
2531 /* Non-blocking mode */ in ca8210_test_int_user_read()
2532 if (kfifo_is_empty(&priv->test.up_fifo)) in ca8210_test_int_user_read()
2537 priv->test.readq, in ca8210_test_int_user_read()
2538 !kfifo_is_empty(&priv->test.up_fifo) in ca8210_test_int_user_read()
2542 if (kfifo_out(&priv->test.up_fifo, &fifo_buffer, 4) != 4) { in ca8210_test_int_user_read()
2544 &priv->spi->dev, in ca8210_test_int_user_read()
2555 &priv->spi->dev, in ca8210_test_int_user_read()
2561 dev_dbg(&priv->spi->dev, "test_interface: Cmd len = %d\n", cmdlen); in ca8210_test_int_user_read()
2563 dev_dbg(&priv->spi->dev, "test_interface: Read\n"); in ca8210_test_int_user_read()
2565 dev_dbg(&priv->spi->dev, "%#03x\n", fifo_buffer[i]); in ca8210_test_int_user_read()
2573 * ca8210_test_int_ioctl() - Called by a process in userspace to enact an
2587 struct ca8210_priv *priv = filp->private_data; in ca8210_test_int_ioctl()
2591 ca8210_reset_send(priv->spi, ioctl_param); in ca8210_test_int_ioctl()
2600 * ca8210_test_int_poll() - Called by a process in userspace to determine which
2613 struct ca8210_priv *priv = filp->private_data; in ca8210_test_int_poll()
2615 poll_wait(filp, &priv->test.readq, ptable); in ca8210_test_int_poll()
2616 if (!kfifo_is_empty(&priv->test.up_fifo)) in ca8210_test_int_poll()
2619 priv->test.readq, in ca8210_test_int_poll()
2620 !kfifo_is_empty(&priv->test.up_fifo))) { in ca8210_test_int_poll()
2638 * ca8210_get_platform_data() - Populate a ca8210_platform_data object
2651 if (!spi_device->dev.of_node) in ca8210_get_platform_data()
2652 return -EINVAL; in ca8210_get_platform_data()
2654 pdata->extclockenable = of_property_read_bool( in ca8210_get_platform_data()
2655 spi_device->dev.of_node, in ca8210_get_platform_data()
2656 "extclock-enable" in ca8210_get_platform_data()
2658 if (pdata->extclockenable) { in ca8210_get_platform_data()
2660 spi_device->dev.of_node, in ca8210_get_platform_data()
2661 "extclock-freq", in ca8210_get_platform_data()
2662 &pdata->extclockfreq in ca8210_get_platform_data()
2668 spi_device->dev.of_node, in ca8210_get_platform_data()
2669 "extclock-gpio", in ca8210_get_platform_data()
2670 &pdata->extclockgpio in ca8210_get_platform_data()
2678 * ca8210_config_extern_clk() - Configure the external clock provided by the
2682 * @on: True to turn the clock on, false to turn off
2698 dev_info(&spi->dev, "Switching external clock on\n"); in ca8210_config_extern_clk()
2699 switch (pdata->extclockfreq) { in ca8210_config_extern_clk()
2716 dev_crit(&spi->dev, "Invalid extclock-freq\n"); in ca8210_config_extern_clk()
2717 return -EINVAL; in ca8210_config_extern_clk()
2719 clkparam[1] = pdata->extclockgpio; in ca8210_config_extern_clk()
2721 dev_info(&spi->dev, "Switching external clock off\n"); in ca8210_config_extern_clk()
2722 clkparam[0] = 0; /* off */ in ca8210_config_extern_clk()
2731 * ca8210_register_ext_clock() - Register ca8210's external clock with kernel
2738 struct device *dev = &spi->dev; in ca8210_register_ext_clock()
2740 struct device_node *np = spi->dev.of_node; in ca8210_register_ext_clock()
2744 return -EFAULT; in ca8210_register_ext_clock()
2746 priv->clk = clk_register_fixed_rate( in ca8210_register_ext_clock()
2747 &spi->dev, in ca8210_register_ext_clock()
2748 np->name, in ca8210_register_ext_clock()
2751 pdata->extclockfreq in ca8210_register_ext_clock()
2754 if (IS_ERR(priv->clk)) { in ca8210_register_ext_clock()
2755 dev_crit(&spi->dev, "Failed to register external clk\n"); in ca8210_register_ext_clock()
2756 return PTR_ERR(priv->clk); in ca8210_register_ext_clock()
2759 return of_clk_add_provider(np, of_clk_src_simple_get, priv->clk); in ca8210_register_ext_clock()
2763 * ca8210_unregister_ext_clock() - Unregister ca8210's external clock with
2771 if (IS_ERR_OR_NULL(priv->clk)) in ca8210_unregister_ext_clock()
2774 of_clk_del_provider(spi->dev.of_node); in ca8210_unregister_ext_clock()
2775 clk_unregister(priv->clk); in ca8210_unregister_ext_clock()
2776 dev_info(&spi->dev, "External clock unregistered\n"); in ca8210_unregister_ext_clock()
2780 * ca8210_reset_init() - Initialise the reset input to the ca8210
2787 struct device *dev = &spi->dev; in ca8210_reset_init()
2790 pdata->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW); in ca8210_reset_init()
2791 if (IS_ERR(pdata->reset_gpio)) { in ca8210_reset_init()
2793 return PTR_ERR(pdata->reset_gpio); in ca8210_reset_init()
2800 * ca8210_interrupt_init() - Initialise the irq output from the ca8210
2807 struct device *dev = &spi->dev; in ca8210_interrupt_init()
2811 pdata->irq_gpio = devm_gpiod_get(dev, "irq", GPIOD_IN); in ca8210_interrupt_init()
2812 if (IS_ERR(pdata->irq_gpio)) { in ca8210_interrupt_init()
2814 return PTR_ERR(pdata->irq_gpio); in ca8210_interrupt_init()
2817 pdata->irq_id = gpiod_to_irq(pdata->irq_gpio); in ca8210_interrupt_init()
2818 if (pdata->irq_id < 0) { in ca8210_interrupt_init()
2820 return pdata->irq_id; in ca8210_interrupt_init()
2824 pdata->irq_id, in ca8210_interrupt_init()
2827 "ca8210-irq", in ca8210_interrupt_init()
2831 dev_crit(&spi->dev, "request_irq %d failed\n", pdata->irq_id); in ca8210_interrupt_init()
2837 * ca8210_dev_com_init() - Initialise the spi communication component
2844 priv->mlme_workqueue = alloc_ordered_workqueue("MLME work queue", 0); in ca8210_dev_com_init()
2845 if (!priv->mlme_workqueue) { in ca8210_dev_com_init()
2846 dev_crit(&priv->spi->dev, "alloc of mlme_workqueue failed!\n"); in ca8210_dev_com_init()
2847 return -ENOMEM; in ca8210_dev_com_init()
2850 priv->irq_workqueue = alloc_ordered_workqueue("ca8210 irq worker", 0); in ca8210_dev_com_init()
2851 if (!priv->irq_workqueue) { in ca8210_dev_com_init()
2852 dev_crit(&priv->spi->dev, "alloc of irq_workqueue failed!\n"); in ca8210_dev_com_init()
2853 destroy_workqueue(priv->mlme_workqueue); in ca8210_dev_com_init()
2854 return -ENOMEM; in ca8210_dev_com_init()
2861 * ca8210_dev_com_clear() - Deinitialise the spi communication component
2866 destroy_workqueue(priv->mlme_workqueue); in ca8210_dev_com_clear()
2867 destroy_workqueue(priv->irq_workqueue); in ca8210_dev_com_clear()
2877 -10300, -10250, -10200, -10150, -10100, -10050, -10000, -9950, -9900,
2878 -9850, -9800, -9750, -9700, -9650, -9600, -9550, -9500, -9450, -9400,
2879 -9350, -9300
2883 * ca8210_hw_setup() - Populate the ieee802154_hw phy attributes with the
2889 /* Support channels 11-26 */ in ca8210_hw_setup()
2890 ca8210_hw->phy->supported.channels[0] = CA8210_VALID_CHANNELS; in ca8210_hw_setup()
2891 ca8210_hw->phy->supported.tx_powers_size = CA8210_MAX_TX_POWERS; in ca8210_hw_setup()
2892 ca8210_hw->phy->supported.tx_powers = ca8210_tx_powers; in ca8210_hw_setup()
2893 ca8210_hw->phy->supported.cca_ed_levels_size = CA8210_MAX_ED_LEVELS; in ca8210_hw_setup()
2894 ca8210_hw->phy->supported.cca_ed_levels = ca8210_ed_levels; in ca8210_hw_setup()
2895 ca8210_hw->phy->current_channel = 18; in ca8210_hw_setup()
2896 ca8210_hw->phy->current_page = 0; in ca8210_hw_setup()
2897 ca8210_hw->phy->transmit_power = 800; in ca8210_hw_setup()
2898 ca8210_hw->phy->cca.mode = NL802154_CCA_ENERGY_CARRIER; in ca8210_hw_setup()
2899 ca8210_hw->phy->cca.opt = NL802154_CCA_OPT_ENERGY_CARRIER_AND; in ca8210_hw_setup()
2900 ca8210_hw->phy->cca_ed_level = -9800; in ca8210_hw_setup()
2901 ca8210_hw->phy->symbol_duration = 16; in ca8210_hw_setup()
2902 ca8210_hw->phy->lifs_period = 40 * ca8210_hw->phy->symbol_duration; in ca8210_hw_setup()
2903 ca8210_hw->phy->sifs_period = 12 * ca8210_hw->phy->symbol_duration; in ca8210_hw_setup()
2904 ca8210_hw->flags = in ca8210_hw_setup()
2910 ca8210_hw->phy->flags = in ca8210_hw_setup()
2918 * ca8210_test_interface_init() - Initialise the test file interface
2930 struct ca8210_test *test = &priv->test; in ca8210_test_interface_init()
2937 priv->spi->controller->bus_num, in ca8210_test_interface_init()
2938 spi_get_chipselect(priv->spi, 0) in ca8210_test_interface_init()
2941 test->ca8210_dfs_spi_int = debugfs_create_file( in ca8210_test_interface_init()
2950 init_waitqueue_head(&test->readq); in ca8210_test_interface_init()
2952 &test->up_fifo, in ca8210_test_interface_init()
2959 * ca8210_test_interface_clear() - Deinitialise the test file interface
2964 struct ca8210_test *test = &priv->test; in ca8210_test_interface_clear()
2966 debugfs_remove(test->ca8210_dfs_spi_int); in ca8210_test_interface_clear()
2967 kfifo_free(&test->up_fifo); in ca8210_test_interface_clear()
2968 dev_info(&priv->spi->dev, "Test interface removed\n"); in ca8210_test_interface_clear()
2972 * ca8210_remove() - Shut down a ca8210 upon being disconnected
2982 dev_info(&spi_device->dev, "Removing ca8210\n"); in ca8210_remove()
2984 pdata = spi_device->dev.platform_data; in ca8210_remove()
2986 if (pdata->extclockenable) { in ca8210_remove()
2990 free_irq(pdata->irq_id, spi_device->dev.driver_data); in ca8210_remove()
2992 spi_device->dev.platform_data = NULL; in ca8210_remove()
2998 &spi_device->dev, in ca8210_remove()
3000 priv->sync_down, in ca8210_remove()
3001 priv->sync_up in ca8210_remove()
3003 ca8210_dev_com_clear(spi_device->dev.driver_data); in ca8210_remove()
3004 if (priv->hw) { in ca8210_remove()
3005 if (priv->hw_registered) in ca8210_remove()
3006 ieee802154_unregister_hw(priv->hw); in ca8210_remove()
3007 ieee802154_free_hw(priv->hw); in ca8210_remove()
3008 priv->hw = NULL; in ca8210_remove()
3010 &spi_device->dev, in ca8210_remove()
3020 * ca8210_probe() - Set up a connected ca8210 upon being detected by the system
3032 dev_info(&spi_device->dev, "Inserting ca8210\n"); in ca8210_probe()
3037 dev_crit(&spi_device->dev, "ieee802154_alloc_hw failed\n"); in ca8210_probe()
3038 ret = -ENOMEM; in ca8210_probe()
3042 priv = hw->priv; in ca8210_probe()
3043 priv->hw = hw; in ca8210_probe()
3044 priv->spi = spi_device; in ca8210_probe()
3045 hw->parent = &spi_device->dev; in ca8210_probe()
3046 spin_lock_init(&priv->lock); in ca8210_probe()
3047 priv->async_tx_pending = false; in ca8210_probe()
3048 priv->hw_registered = false; in ca8210_probe()
3049 priv->sync_up = 0; in ca8210_probe()
3050 priv->sync_down = 0; in ca8210_probe()
3051 priv->promiscuous = false; in ca8210_probe()
3052 priv->retries = 0; in ca8210_probe()
3053 init_completion(&priv->ca8210_is_awake); in ca8210_probe()
3054 init_completion(&priv->spi_transfer_complete); in ca8210_probe()
3055 init_completion(&priv->sync_exchange_complete); in ca8210_probe()
3056 spi_set_drvdata(priv->spi, priv); in ca8210_probe()
3061 dev_crit(&spi_device->dev, "ca8210_test_interface_init failed\n"); in ca8210_probe()
3068 ieee802154_random_extended_addr(&hw->phy->perm_extended_addr); in ca8210_probe()
3072 ret = -ENOMEM; in ca8210_probe()
3076 priv->spi->dev.platform_data = pdata; in ca8210_probe()
3077 ret = ca8210_get_platform_data(priv->spi, pdata); in ca8210_probe()
3079 dev_crit(&spi_device->dev, "ca8210_get_platform_data failed\n"); in ca8210_probe()
3085 dev_crit(&spi_device->dev, "ca8210_dev_com_init failed\n"); in ca8210_probe()
3088 ret = ca8210_reset_init(priv->spi); in ca8210_probe()
3090 dev_crit(&spi_device->dev, "ca8210_reset_init failed\n"); in ca8210_probe()
3094 ret = ca8210_interrupt_init(priv->spi); in ca8210_probe()
3096 dev_crit(&spi_device->dev, "ca8210_interrupt_init failed\n"); in ca8210_probe()
3102 ca8210_reset_send(priv->spi, 1); in ca8210_probe()
3104 ret = tdme_chipinit(priv->spi); in ca8210_probe()
3106 dev_crit(&spi_device->dev, "tdme_chipinit failed\n"); in ca8210_probe()
3110 if (pdata->extclockenable) { in ca8210_probe()
3111 ret = ca8210_config_extern_clk(pdata, priv->spi, 1); in ca8210_probe()
3114 &spi_device->dev, in ca8210_probe()
3119 ret = ca8210_register_ext_clock(priv->spi); in ca8210_probe()
3122 &spi_device->dev, in ca8210_probe()
3131 dev_crit(&spi_device->dev, "ieee802154_register_hw failed\n"); in ca8210_probe()
3134 priv->hw_registered = true; in ca8210_probe()
3161 MODULE_DESCRIPTION("CA-8210 SoftMAC driver");