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>
175 #define NS_IEEE_ADDRESS (0xFF) /* Non-standard IEEE address */
184 #define MAX_BEACON_PAYLOAD_LENGTH (IEEE802154_MTU - MAX_BEACON_OVERHEAD)
295 * struct cas_control - spi transfer structure
316 * struct ca8210_test - ca8210 test interface structure
329 * struct ca8210_priv - ca8210 private data structure
378 * struct work_priv_container - link between a work object and the relevant
390 * struct ca8210_platform_data - ca8210 platform data structure
409 * struct fulladdr - full MAC addressing information structure
411 * @pan_id: 16-bit LE pan id
423 * @short_addr: 16-bit short address
424 * @ieee_address: 64-bit extended address as LE byte array
434 * @security_level: 0-7, controls level of authentication & encryption
435 * @key_id_mode: 0-3, specifies how to obtain key
437 * @key_index: single-byte key identifier
540 * link_to_linux_err() - Translates an 802.15.4 return code into the closest
557 return -EKEYREJECTED; in link_to_linux_err()
561 return -EACCES; in link_to_linux_err()
565 return -ENETUNREACH; in link_to_linux_err()
569 return -EBUSY; in link_to_linux_err()
572 return -EAGAIN; in link_to_linux_err()
574 return -EMSGSIZE; in link_to_linux_err()
577 return -EBADSLT; in link_to_linux_err()
579 return -EBADMSG; in link_to_linux_err()
584 return -EINVAL; in link_to_linux_err()
586 return -ENODATA; in link_to_linux_err()
588 return -EFAULT; in link_to_linux_err()
590 return -EADDRINUSE; in link_to_linux_err()
592 return -ETIME; in link_to_linux_err()
594 return -ENOBUFS; in link_to_linux_err()
596 return -ENOKEY; in link_to_linux_err()
598 return -ENXIO; in link_to_linux_err()
601 return -EREMOTEIO; in link_to_linux_err()
603 return -EDQUOT; in link_to_linux_err()
605 return -EROFS; in link_to_linux_err()
607 return -EPROTO; in link_to_linux_err()
612 * ca8210_test_int_driver_write() - Writes a message to the test interface to be
627 struct ca8210_test *test = &priv->test; in ca8210_test_int_driver_write()
632 &priv->spi->dev, in ca8210_test_int_driver_write()
636 dev_dbg(&priv->spi->dev, "%#03x\n", buf[i]); in ca8210_test_int_driver_write()
640 return -ENOMEM; in ca8210_test_int_driver_write()
641 kfifo_in(&test->up_fifo, &fifo_buffer, 4); in ca8210_test_int_driver_write()
642 wake_up_interruptible(&priv->test.readq); in ca8210_test_int_driver_write()
665 * ca8210_reset_send() - Hard resets the ca8210 for a given time
671 struct ca8210_platform_data *pdata = spi->dev.platform_data; in ca8210_reset_send()
675 gpio_set_value(pdata->gpio_reset, 0); in ca8210_reset_send()
676 reinit_completion(&priv->ca8210_is_awake); in ca8210_reset_send()
678 gpio_set_value(pdata->gpio_reset, 1); in ca8210_reset_send()
679 priv->promiscuous = false; in ca8210_reset_send()
683 &priv->ca8210_is_awake, in ca8210_reset_send()
688 &spi->dev, in ca8210_reset_send()
693 dev_dbg(&spi->dev, "Reset the device\n"); in ca8210_reset_send()
697 * ca8210_mlme_reset_worker() - Resets the MLME, Called when the MAC OVERFLOW
708 struct ca8210_priv *priv = wpc->priv; in ca8210_mlme_reset_worker()
710 mlme_reset_request_sync(0, priv->spi); in ca8210_mlme_reset_worker()
715 * ca8210_rx_done() - Calls various message dispatches responding to a received
727 struct ca8210_priv *priv = cas_ctl->priv; in ca8210_rx_done()
729 buf = cas_ctl->tx_in_buf; in ca8210_rx_done()
733 &priv->spi->dev, in ca8210_rx_done()
741 if (priv->sync_command_response) { in ca8210_rx_done()
742 memcpy(priv->sync_command_response, buf, len); in ca8210_rx_done()
743 complete(&priv->sync_exchange_complete); in ca8210_rx_done()
746 cascoda_api_upstream(buf, len, priv->spi); in ca8210_rx_done()
747 priv->sync_up++; in ca8210_rx_done()
751 cascoda_api_upstream(buf, len, priv->spi); in ca8210_rx_done()
754 ca8210_net_rx(priv->hw, buf, len); in ca8210_rx_done()
758 &priv->spi->dev, in ca8210_rx_done()
762 &priv->spi->dev, in ca8210_rx_done()
770 &mlme_reset_wpc->work, in ca8210_rx_done()
773 mlme_reset_wpc->priv = priv; in ca8210_rx_done()
774 queue_work(priv->mlme_workqueue, &mlme_reset_wpc->work); in ca8210_rx_done()
778 &priv->spi->dev, in ca8210_rx_done()
784 &priv->spi->dev, in ca8210_rx_done()
785 "Transceiver woken up from Power Up / System Reset\n" in ca8210_rx_done()
790 &priv->spi->dev, in ca8210_rx_done()
791 "Watchdog Timer Time-Out\n" in ca8210_rx_done()
796 &priv->spi->dev, in ca8210_rx_done()
797 "Transceiver woken up from Power-Off by Sleep Timer Time-Out\n"); in ca8210_rx_done()
801 &priv->spi->dev, in ca8210_rx_done()
802 "Transceiver woken up from Power-Off by GPIO Activity\n" in ca8210_rx_done()
807 &priv->spi->dev, in ca8210_rx_done()
808 "Transceiver woken up from Standby by Sleep Timer Time-Out\n" in ca8210_rx_done()
813 &priv->spi->dev, in ca8210_rx_done()
819 &priv->spi->dev, in ca8210_rx_done()
820 "Sleep-Timer Time-Out in Active Mode\n" in ca8210_rx_done()
824 dev_warn(&priv->spi->dev, "Wakeup reason unknown\n"); in ca8210_rx_done()
827 complete(&priv->ca8210_is_awake); in ca8210_rx_done()
836 * ca8210_spi_transfer_complete() - Called when a single spi transfer has
843 struct ca8210_priv *priv = cas_ctl->priv; in ca8210_spi_transfer_complete()
849 cas_ctl->tx_in_buf[0] == SPI_NACK || in ca8210_spi_transfer_complete()
850 (cas_ctl->tx_in_buf[0] == SPI_IDLE && in ca8210_spi_transfer_complete()
851 cas_ctl->tx_in_buf[1] == SPI_NACK) in ca8210_spi_transfer_complete()
854 dev_info(&priv->spi->dev, "ca8210 was busy during attempted write\n"); in ca8210_spi_transfer_complete()
855 if (cas_ctl->tx_buf[0] == SPI_IDLE) { in ca8210_spi_transfer_complete()
857 &priv->spi->dev, in ca8210_spi_transfer_complete()
863 if (priv->retries > 3) { in ca8210_spi_transfer_complete()
864 dev_err(&priv->spi->dev, "too many retries!\n"); in ca8210_spi_transfer_complete()
866 ca8210_remove(priv->spi); in ca8210_spi_transfer_complete()
869 memcpy(retry_buffer, cas_ctl->tx_buf, CA8210_SPI_BUF_SIZE); in ca8210_spi_transfer_complete()
872 priv->spi, in ca8210_spi_transfer_complete()
876 priv->retries++; in ca8210_spi_transfer_complete()
877 dev_info(&priv->spi->dev, "retried spi write\n"); in ca8210_spi_transfer_complete()
880 cas_ctl->tx_in_buf[0] != SPI_IDLE && in ca8210_spi_transfer_complete()
881 cas_ctl->tx_in_buf[0] != SPI_NACK in ca8210_spi_transfer_complete()
887 dev_dbg(&priv->spi->dev, "READ CMD DURING TX\n"); in ca8210_spi_transfer_complete()
888 for (i = 0; i < cas_ctl->tx_in_buf[1] + 2; i++) in ca8210_spi_transfer_complete()
890 &priv->spi->dev, in ca8210_spi_transfer_complete()
892 cas_ctl->tx_in_buf[i] in ca8210_spi_transfer_complete()
896 complete(&priv->spi_transfer_complete); in ca8210_spi_transfer_complete()
898 priv->retries = 0; in ca8210_spi_transfer_complete()
902 * ca8210_spi_transfer() - Initiate duplex spi transfer with ca8210
921 return -ENODEV; in ca8210_spi_transfer()
925 reinit_completion(&priv->spi_transfer_complete); in ca8210_spi_transfer()
927 dev_dbg(&spi->dev, "%s called\n", __func__); in ca8210_spi_transfer()
931 return -ENOMEM; in ca8210_spi_transfer()
933 cas_ctl->priv = priv; in ca8210_spi_transfer()
934 memset(cas_ctl->tx_buf, SPI_IDLE, CA8210_SPI_BUF_SIZE); in ca8210_spi_transfer()
935 memset(cas_ctl->tx_in_buf, SPI_IDLE, CA8210_SPI_BUF_SIZE); in ca8210_spi_transfer()
936 memcpy(cas_ctl->tx_buf, buf, len); in ca8210_spi_transfer()
939 dev_dbg(&spi->dev, "%#03x\n", cas_ctl->tx_buf[i]); in ca8210_spi_transfer()
941 spi_message_init(&cas_ctl->msg); in ca8210_spi_transfer()
943 cas_ctl->transfer.tx_nbits = 1; /* 1 MOSI line */ in ca8210_spi_transfer()
944 cas_ctl->transfer.rx_nbits = 1; /* 1 MISO line */ in ca8210_spi_transfer()
945 cas_ctl->transfer.speed_hz = 0; /* Use device setting */ in ca8210_spi_transfer()
946 cas_ctl->transfer.bits_per_word = 0; /* Use device setting */ in ca8210_spi_transfer()
947 cas_ctl->transfer.tx_buf = cas_ctl->tx_buf; in ca8210_spi_transfer()
948 cas_ctl->transfer.rx_buf = cas_ctl->tx_in_buf; in ca8210_spi_transfer()
949 cas_ctl->transfer.delay.value = 0; in ca8210_spi_transfer()
950 cas_ctl->transfer.delay.unit = SPI_DELAY_UNIT_USECS; in ca8210_spi_transfer()
951 cas_ctl->transfer.cs_change = 0; in ca8210_spi_transfer()
952 cas_ctl->transfer.len = sizeof(struct mac_message); in ca8210_spi_transfer()
953 cas_ctl->msg.complete = ca8210_spi_transfer_complete; in ca8210_spi_transfer()
954 cas_ctl->msg.context = cas_ctl; in ca8210_spi_transfer()
957 &cas_ctl->transfer, in ca8210_spi_transfer()
958 &cas_ctl->msg in ca8210_spi_transfer()
961 status = spi_async(spi, &cas_ctl->msg); in ca8210_spi_transfer()
964 &spi->dev, in ca8210_spi_transfer()
974 * ca8210_spi_exchange() - Exchange API/SAP commands with the radio
995 struct ca8210_priv *priv = spi->dev.driver_data; in ca8210_spi_exchange()
999 reinit_completion(&priv->sync_exchange_complete); in ca8210_spi_exchange()
1000 priv->sync_command_response = response; in ca8210_spi_exchange()
1004 reinit_completion(&priv->spi_transfer_complete); in ca8210_spi_exchange()
1005 status = ca8210_spi_transfer(priv->spi, buf, len); in ca8210_spi_exchange()
1008 &spi->dev, in ca8210_spi_exchange()
1012 if (status == -EBUSY) in ca8210_spi_exchange()
1015 complete(&priv->sync_exchange_complete); in ca8210_spi_exchange()
1020 &priv->spi_transfer_complete, in ca8210_spi_exchange()
1023 if (wait_remaining == -ERESTARTSYS) { in ca8210_spi_exchange()
1024 status = -ERESTARTSYS; in ca8210_spi_exchange()
1027 &spi->dev, in ca8210_spi_exchange()
1030 status = -ETIME; in ca8210_spi_exchange()
1039 &priv->sync_exchange_complete, in ca8210_spi_exchange()
1042 if (wait_remaining == -ERESTARTSYS) { in ca8210_spi_exchange()
1043 status = -ERESTARTSYS; in ca8210_spi_exchange()
1046 &spi->dev, in ca8210_spi_exchange()
1049 status = -ETIME; in ca8210_spi_exchange()
1053 priv->sync_command_response = NULL; in ca8210_spi_exchange()
1058 * ca8210_interrupt_handler() - Called when an irq is received from the ca8210
1073 dev_dbg(&priv->spi->dev, "irq: Interrupt occurred\n"); in ca8210_interrupt_handler()
1075 status = ca8210_spi_transfer(priv->spi, NULL, 0); in ca8210_interrupt_handler()
1076 if (status && (status != -EBUSY)) { in ca8210_interrupt_handler()
1078 &priv->spi->dev, in ca8210_interrupt_handler()
1083 } while (status == -EBUSY); in ca8210_interrupt_handler()
1097 * tdme_setsfr_request_sync() - TDME_SETSFR_request/confirm according to API
1103 * Return: 802.15.4 status code of TDME-SETSFR.confirm
1129 dev_crit(&spi->dev, "cascoda_api_downstream returned %d", ret); in tdme_setsfr_request_sync()
1135 &spi->dev, in tdme_setsfr_request_sync()
1146 * tdme_chipinit() - TDME Chip Register Default Initialisation Macro
1214 /* Tx Output Power 8 dBm */ in tdme_chipinit()
1224 &spi->dev, in tdme_chipinit()
1234 * tdme_channelinit() - TDME Channel Register Default Initialisation Macro (Tx)
1242 /* Transceiver front-end local oscillator tx two-point calibration in tdme_channelinit()
1275 * tdme_checkpibattribute() - Checks Attribute Values that are not checked in
1358 /* MAC SEC */ in tdme_checkpibattribute()
1375 * tdme_settxpower() - Sets the tx power for MLME_SET phyTransmitPower
1376 * @txp: Transmit Power
1379 * Normalised to 802.15.4 Definition (6-bit, signed):
1380 * Bit 7-6: not used
1381 * Bit 5-0: tx power (-32 - +31 dB)
1405 /* 0 dBm: ptrim = 7, itrim = +3 => -6 dBm */ in tdme_settxpower()
1418 /* Look-Up Table for Setting Current and Frequency Trim values in tdme_settxpower()
1419 * for desired Output Power in tdme_settxpower()
1457 * mcps_data_request() - mcps_data_request (Send Data) according to API Spec
1495 dst_addr->short_address in mcps_data_request()
1498 dst_addr->short_address in mcps_data_request()
1503 dst_addr->ieee_address, in mcps_data_request()
1513 command.length = sizeof(struct mcps_data_request_pset) - in mcps_data_request()
1515 if (!security || security->security_level == 0) { in mcps_data_request()
1516 psec->security_level = 0; in mcps_data_request()
1531 * mlme_reset_request_sync() - MLME_RESET_request/confirm according to API Spec
1535 * Return: 802.15.4 status code of MLME-RESET.confirm
1555 dev_err(&spi->dev, "cascoda_api_downstream failed\n"); in mlme_reset_request_sync()
1578 * mlme_set_request_sync() - MLME_SET_request/confirm according to API Spec
1585 * Return: 802.15.4 status code of MLME-SET.confirm
1598 /* pre-check the validity of pib_attribute values that are not checked in mlme_set_request_sync()
1623 command.length = sizeof(struct mlme_set_request_pset) - in mlme_set_request_sync()
1649 * hwme_set_request_sync() - HWME_SET_request/confirm according to API Spec
1655 * Return: 802.15.4 status code of HWME-SET.confirm
1691 * hwme_get_request_sync() - HWME_GET_request/confirm according to API Spec
1697 * Return: 802.15.4 status code of HWME-GET.confirm
1739 * ca8210_async_xmit_complete() - Called to announce that an asynchronous
1752 struct ca8210_priv *priv = hw->priv; in ca8210_async_xmit_complete()
1754 if (priv->nextmsduhandle != msduhandle) { in ca8210_async_xmit_complete()
1756 &priv->spi->dev, in ca8210_async_xmit_complete()
1758 priv->nextmsduhandle, in ca8210_async_xmit_complete()
1761 return -EIO; in ca8210_async_xmit_complete()
1764 priv->async_tx_pending = false; in ca8210_async_xmit_complete()
1765 priv->nextmsduhandle++; in ca8210_async_xmit_complete()
1769 &priv->spi->dev, in ca8210_async_xmit_complete()
1774 ieee802154_wake_queue(priv->hw); in ca8210_async_xmit_complete()
1778 ieee802154_xmit_complete(priv->hw, priv->tx_skb, true); in ca8210_async_xmit_complete()
1784 * ca8210_skb_rx() - Contructs a properly framed socket buffer from a received
1807 struct ca8210_priv *priv = hw->priv; in ca8210_skb_rx()
1812 return -ENOMEM; in ca8210_skb_rx()
1819 &priv->spi->dev, in ca8210_skb_rx()
1823 return -EMSGSIZE; in ca8210_skb_rx()
1825 dev_dbg(&priv->spi->dev, "skb buffer length = %d\n", msdulen); in ca8210_skb_rx()
1827 if (priv->promiscuous) in ca8210_skb_rx()
1831 hdr.sec.level = data_ind[29 + msdulen]; in ca8210_skb_rx()
1832 dev_dbg(&priv->spi->dev, "security level: %#03x\n", hdr.sec.level); in ca8210_skb_rx()
1833 if (hdr.sec.level > 0) { in ca8210_skb_rx()
1834 hdr.sec.key_id_mode = data_ind[30 + msdulen]; in ca8210_skb_rx()
1835 memcpy(&hdr.sec.extended_src, &data_ind[31 + msdulen], 8); in ca8210_skb_rx()
1836 hdr.sec.key_id = data_ind[39 + msdulen]; in ca8210_skb_rx()
1839 dev_dbg(&priv->spi->dev, "srcAddrMode: %#03x\n", hdr.source.mode); in ca8210_skb_rx()
1841 dev_dbg(&priv->spi->dev, "srcPanId: %#06x\n", hdr.source.pan_id); in ca8210_skb_rx()
1844 dev_dbg(&priv->spi->dev, "dstAddrMode: %#03x\n", hdr.dest.mode); in ca8210_skb_rx()
1846 dev_dbg(&priv->spi->dev, "dstPanId: %#06x\n", hdr.dest.pan_id); in ca8210_skb_rx()
1851 if (hdr.sec.level) in ca8210_skb_rx()
1866 dev_crit(&priv->spi->dev, "failed to push mac hdr onto skb!\n"); in ca8210_skb_rx()
1872 skb->mac_len = hlen; in ca8210_skb_rx()
1884 * ca8210_net_rx() - Acts upon received SAP commands relevant to the network
1898 struct ca8210_priv *priv = hw->priv; in ca8210_net_rx()
1902 dev_dbg(&priv->spi->dev, "%s: CmdID = %d\n", __func__, command[0]); in ca8210_net_rx()
1906 spin_lock_irqsave(&priv->lock, flags); in ca8210_net_rx()
1907 if (command[26] == priv->last_dsn) { in ca8210_net_rx()
1909 &priv->spi->dev, in ca8210_net_rx()
1913 spin_unlock_irqrestore(&priv->lock, flags); in ca8210_net_rx()
1916 priv->last_dsn = command[26]; in ca8210_net_rx()
1917 spin_unlock_irqrestore(&priv->lock, flags); in ca8210_net_rx()
1918 return ca8210_skb_rx(hw, len - 2, command + 2); in ca8210_net_rx()
1921 if (priv->async_tx_pending) { in ca8210_net_rx()
1934 * ca8210_skb_tx() - Transmits a given socket buffer using the ca8210
1952 dev_dbg(&priv->spi->dev, "%s called\n", __func__); in ca8210_skb_tx()
1954 /* Get addressing info from skb - ieee802154 layer creates a full in ca8210_skb_tx()
1959 secspec.security_level = header.sec.level; in ca8210_skb_tx()
1960 secspec.key_id_mode = header.sec.key_id_mode; in ca8210_skb_tx()
1962 memcpy(secspec.key_source, &header.sec.short_src, 4); in ca8210_skb_tx()
1964 memcpy(secspec.key_source, &header.sec.extended_src, 8); in ca8210_skb_tx()
1965 secspec.key_index = header.sec.key_id; in ca8210_skb_tx()
1973 skb->len - mac_len, in ca8210_skb_tx()
1974 &skb->data[mac_len], in ca8210_skb_tx()
1978 priv->spi in ca8210_skb_tx()
1984 * ca8210_start() - Starts the network driver
1994 struct ca8210_priv *priv = hw->priv; in ca8210_start()
1996 priv->last_dsn = -1; in ca8210_start()
2004 priv->spi in ca8210_start()
2008 &priv->spi->dev, in ca8210_start()
2018 priv->spi in ca8210_start()
2022 &priv->spi->dev, in ca8210_start()
2033 * ca8210_stop() - Stops the network driver
2043 * ca8210_xmit_async() - Asynchronously transmits a given socket buffer using
2052 struct ca8210_priv *priv = hw->priv; in ca8210_xmit_async()
2055 dev_dbg(&priv->spi->dev, "calling %s\n", __func__); in ca8210_xmit_async()
2057 priv->tx_skb = skb; in ca8210_xmit_async()
2058 priv->async_tx_pending = true; in ca8210_xmit_async()
2059 status = ca8210_skb_tx(skb, priv->nextmsduhandle, priv); in ca8210_xmit_async()
2064 * ca8210_get_ed() - Returns the measured energy on the current channel at this
2065 * instant in time
2074 struct ca8210_priv *priv = hw->priv; in ca8210_get_ed()
2077 hwme_get_request_sync(HWME_EDVALUE, &lenvar, level, priv->spi) in ca8210_get_ed()
2082 * ca8210_set_channel() - Sets the current operating 802.15.4 channel of the
2097 struct ca8210_priv *priv = hw->priv; in ca8210_set_channel()
2104 priv->spi in ca8210_set_channel()
2108 &priv->spi->dev, in ca8210_set_channel()
2109 "error setting channel, MLME-SET.confirm status = %d\n", in ca8210_set_channel()
2117 * ca8210_set_hw_addr_filt() - Sets the address filtering parameters of the
2136 struct ca8210_priv *priv = hw->priv; in ca8210_set_hw_addr_filt()
2143 &filt->pan_id, priv->spi in ca8210_set_hw_addr_filt()
2147 &priv->spi->dev, in ca8210_set_hw_addr_filt()
2148 "error setting pan id, MLME-SET.confirm status = %d", in ca8210_set_hw_addr_filt()
2159 &filt->short_addr, priv->spi in ca8210_set_hw_addr_filt()
2163 &priv->spi->dev, in ca8210_set_hw_addr_filt()
2164 "error setting short address, MLME-SET.confirm status = %d", in ca8210_set_hw_addr_filt()
2175 &filt->ieee_addr, in ca8210_set_hw_addr_filt()
2176 priv->spi in ca8210_set_hw_addr_filt()
2180 &priv->spi->dev, in ca8210_set_hw_addr_filt()
2181 "error setting ieee address, MLME-SET.confirm status = %d", in ca8210_set_hw_addr_filt()
2192 * ca8210_set_tx_power() - Sets the transmit power of the ca8210
2194 * @mbm: Transmit power in mBm (dBm*100)
2200 struct ca8210_priv *priv = hw->priv; in ca8210_set_tx_power()
2204 mlme_set_request_sync(PHY_TRANSMIT_POWER, 0, 1, &mbm, priv->spi) in ca8210_set_tx_power()
2209 * ca8210_set_cca_mode() - Sets the clear channel assessment mode of the ca8210
2222 struct ca8210_priv *priv = hw->priv; in ca8210_set_cca_mode()
2224 cca_mode = cca->mode & 3; in ca8210_set_cca_mode()
2225 if (cca_mode == 3 && cca->opt == NL802154_CCA_OPT_ENERGY_CARRIER_OR) { in ca8210_set_cca_mode()
2234 priv->spi in ca8210_set_cca_mode()
2238 &priv->spi->dev, in ca8210_set_cca_mode()
2239 "error setting cca mode, MLME-SET.confirm status = %d", in ca8210_set_cca_mode()
2247 * ca8210_set_cca_ed_level() - Sets the CCA ED level of the ca8210
2252 * back off and retry a transmission.
2260 struct ca8210_priv *priv = hw->priv; in ca8210_set_cca_ed_level()
2266 priv->spi in ca8210_set_cca_ed_level()
2270 &priv->spi->dev, in ca8210_set_cca_ed_level()
2271 "error setting ed threshold, HWME-SET.confirm status = %d", in ca8210_set_cca_ed_level()
2279 * ca8210_set_csma_params() - Sets the CSMA parameters of the ca8210
2281 * @min_be: Minimum backoff exponent when backing off a transmission
2282 * @max_be: Maximum backoff exponent when backing off a transmission
2283 * @retries: Number of times to retry after backing off
2295 struct ca8210_priv *priv = hw->priv; in ca8210_set_csma_params()
2297 status = mlme_set_request_sync(MAC_MIN_BE, 0, 1, &min_be, priv->spi); in ca8210_set_csma_params()
2300 &priv->spi->dev, in ca8210_set_csma_params()
2301 "error setting min be, MLME-SET.confirm status = %d", in ca8210_set_csma_params()
2306 status = mlme_set_request_sync(MAC_MAX_BE, 0, 1, &max_be, priv->spi); in ca8210_set_csma_params()
2309 &priv->spi->dev, in ca8210_set_csma_params()
2310 "error setting max be, MLME-SET.confirm status = %d", in ca8210_set_csma_params()
2320 priv->spi in ca8210_set_csma_params()
2324 &priv->spi->dev, in ca8210_set_csma_params()
2325 "error setting max csma backoffs, MLME-SET.confirm status = %d", in ca8210_set_csma_params()
2333 * ca8210_set_frame_retries() - Sets the maximum frame retries of the ca8210
2345 struct ca8210_priv *priv = hw->priv; in ca8210_set_frame_retries()
2352 priv->spi in ca8210_set_frame_retries()
2356 &priv->spi->dev, in ca8210_set_frame_retries()
2357 "error setting frame retries, MLME-SET.confirm status = %d", in ca8210_set_frame_retries()
2367 struct ca8210_priv *priv = hw->priv; in ca8210_set_promiscuous_mode()
2374 priv->spi in ca8210_set_promiscuous_mode()
2378 &priv->spi->dev, in ca8210_set_promiscuous_mode()
2379 "error setting promiscuous mode, MLME-SET.confirm status = %d", in ca8210_set_promiscuous_mode()
2383 priv->promiscuous = on; in ca8210_set_promiscuous_mode()
2406 * ca8210_test_int_open() - Opens the test interface to the userspace
2414 struct ca8210_priv *priv = inodp->i_private; in ca8210_test_int_open()
2416 filp->private_data = priv; in ca8210_test_int_open()
2421 * ca8210_test_check_upstream() - Checks a command received from the upstream
2477 * ca8210_test_int_user_write() - Called by a process in userspace to send a
2482 * @off: file offset
2490 loff_t *off in ca8210_test_int_user_write() argument
2494 struct ca8210_priv *priv = filp->private_data; in ca8210_test_int_user_write()
2500 &priv->spi->dev, in ca8210_test_int_user_write()
2504 return -EBADE; in ca8210_test_int_user_write()
2510 &priv->spi->dev, in ca8210_test_int_user_write()
2514 return -EIO; in ca8210_test_int_user_write()
2518 &priv->spi->dev, in ca8210_test_int_user_write()
2521 return -EBADE; in ca8210_test_int_user_write()
2524 ret = ca8210_test_check_upstream(command, priv->spi); in ca8210_test_int_user_write()
2530 priv->spi in ca8210_test_int_user_write()
2535 &priv->spi->dev, in ca8210_test_int_user_write()
2541 priv->sync_down++; in ca8210_test_int_user_write()
2548 * ca8210_test_int_user_read() - Called by a process in userspace to read a
2569 struct ca8210_priv *priv = filp->private_data; in ca8210_test_int_user_read()
2573 if (filp->f_flags & O_NONBLOCK) { in ca8210_test_int_user_read()
2574 /* Non-blocking mode */ in ca8210_test_int_user_read()
2575 if (kfifo_is_empty(&priv->test.up_fifo)) in ca8210_test_int_user_read()
2580 priv->test.readq, in ca8210_test_int_user_read()
2581 !kfifo_is_empty(&priv->test.up_fifo) in ca8210_test_int_user_read()
2585 if (kfifo_out(&priv->test.up_fifo, &fifo_buffer, 4) != 4) { in ca8210_test_int_user_read()
2587 &priv->spi->dev, in ca8210_test_int_user_read()
2598 &priv->spi->dev, in ca8210_test_int_user_read()
2604 dev_dbg(&priv->spi->dev, "test_interface: Cmd len = %d\n", cmdlen); in ca8210_test_int_user_read()
2606 dev_dbg(&priv->spi->dev, "test_interface: Read\n"); in ca8210_test_int_user_read()
2608 dev_dbg(&priv->spi->dev, "%#03x\n", fifo_buffer[i]); in ca8210_test_int_user_read()
2616 * ca8210_test_int_ioctl() - Called by a process in userspace to enact an
2630 struct ca8210_priv *priv = filp->private_data; in ca8210_test_int_ioctl()
2634 ca8210_reset_send(priv->spi, ioctl_param); in ca8210_test_int_ioctl()
2643 * ca8210_test_int_poll() - Called by a process in userspace to determine which
2656 struct ca8210_priv *priv = filp->private_data; in ca8210_test_int_poll()
2658 poll_wait(filp, &priv->test.readq, ptable); in ca8210_test_int_poll()
2659 if (!kfifo_is_empty(&priv->test.up_fifo)) in ca8210_test_int_poll()
2662 priv->test.readq, in ca8210_test_int_poll()
2663 !kfifo_is_empty(&priv->test.up_fifo))) { in ca8210_test_int_poll()
2681 * ca8210_get_platform_data() - Populate a ca8210_platform_data object
2694 if (!spi_device->dev.of_node) in ca8210_get_platform_data()
2695 return -EINVAL; in ca8210_get_platform_data()
2697 pdata->extclockenable = of_property_read_bool( in ca8210_get_platform_data()
2698 spi_device->dev.of_node, in ca8210_get_platform_data()
2699 "extclock-enable" in ca8210_get_platform_data()
2701 if (pdata->extclockenable) { in ca8210_get_platform_data()
2703 spi_device->dev.of_node, in ca8210_get_platform_data()
2704 "extclock-freq", in ca8210_get_platform_data()
2705 &pdata->extclockfreq in ca8210_get_platform_data()
2711 spi_device->dev.of_node, in ca8210_get_platform_data()
2712 "extclock-gpio", in ca8210_get_platform_data()
2713 &pdata->extclockgpio in ca8210_get_platform_data()
2721 * ca8210_config_extern_clk() - Configure the external clock provided by the
2725 * @on: True to turn the clock on, false to turn off
2741 dev_info(&spi->dev, "Switching external clock on\n"); in ca8210_config_extern_clk()
2742 switch (pdata->extclockfreq) { in ca8210_config_extern_clk()
2759 dev_crit(&spi->dev, "Invalid extclock-freq\n"); in ca8210_config_extern_clk()
2760 return -EINVAL; in ca8210_config_extern_clk()
2762 clkparam[1] = pdata->extclockgpio; in ca8210_config_extern_clk()
2764 dev_info(&spi->dev, "Switching external clock off\n"); in ca8210_config_extern_clk()
2765 clkparam[0] = 0; /* off */ in ca8210_config_extern_clk()
2774 * ca8210_register_ext_clock() - Register ca8210's external clock with kernel
2781 struct device_node *np = spi->dev.of_node; in ca8210_register_ext_clock()
2783 struct ca8210_platform_data *pdata = spi->dev.platform_data; in ca8210_register_ext_clock()
2787 return -EFAULT; in ca8210_register_ext_clock()
2789 priv->clk = clk_register_fixed_rate( in ca8210_register_ext_clock()
2790 &spi->dev, in ca8210_register_ext_clock()
2791 np->name, in ca8210_register_ext_clock()
2794 pdata->extclockfreq in ca8210_register_ext_clock()
2797 if (IS_ERR(priv->clk)) { in ca8210_register_ext_clock()
2798 dev_crit(&spi->dev, "Failed to register external clk\n"); in ca8210_register_ext_clock()
2799 return PTR_ERR(priv->clk); in ca8210_register_ext_clock()
2801 ret = of_clk_add_provider(np, of_clk_src_simple_get, priv->clk); in ca8210_register_ext_clock()
2803 clk_unregister(priv->clk); in ca8210_register_ext_clock()
2805 &spi->dev, in ca8210_register_ext_clock()
2809 dev_info(&spi->dev, "External clock set as clock provider\n"); in ca8210_register_ext_clock()
2816 * ca8210_unregister_ext_clock() - Unregister ca8210's external clock with
2824 if (!priv->clk) in ca8210_unregister_ext_clock()
2827 of_clk_del_provider(spi->dev.of_node); in ca8210_unregister_ext_clock()
2828 clk_unregister(priv->clk); in ca8210_unregister_ext_clock()
2829 dev_info(&spi->dev, "External clock unregistered\n"); in ca8210_unregister_ext_clock()
2833 * ca8210_reset_init() - Initialise the reset input to the ca8210
2841 struct ca8210_platform_data *pdata = spi->dev.platform_data; in ca8210_reset_init()
2843 pdata->gpio_reset = of_get_named_gpio( in ca8210_reset_init()
2844 spi->dev.of_node, in ca8210_reset_init()
2845 "reset-gpio", in ca8210_reset_init()
2849 ret = gpio_direction_output(pdata->gpio_reset, 1); in ca8210_reset_init()
2852 &spi->dev, in ca8210_reset_init()
2854 pdata->gpio_reset in ca8210_reset_init()
2862 * ca8210_interrupt_init() - Initialise the irq output from the ca8210
2870 struct ca8210_platform_data *pdata = spi->dev.platform_data; in ca8210_interrupt_init()
2872 pdata->gpio_irq = of_get_named_gpio( in ca8210_interrupt_init()
2873 spi->dev.of_node, in ca8210_interrupt_init()
2874 "irq-gpio", in ca8210_interrupt_init()
2878 pdata->irq_id = gpio_to_irq(pdata->gpio_irq); in ca8210_interrupt_init()
2879 if (pdata->irq_id < 0) { in ca8210_interrupt_init()
2881 &spi->dev, in ca8210_interrupt_init()
2883 pdata->gpio_irq in ca8210_interrupt_init()
2885 gpio_free(pdata->gpio_irq); in ca8210_interrupt_init()
2886 return pdata->irq_id; in ca8210_interrupt_init()
2890 pdata->irq_id, in ca8210_interrupt_init()
2893 "ca8210-irq", in ca8210_interrupt_init()
2897 dev_crit(&spi->dev, "request_irq %d failed\n", pdata->irq_id); in ca8210_interrupt_init()
2898 gpio_unexport(pdata->gpio_irq); in ca8210_interrupt_init()
2899 gpio_free(pdata->gpio_irq); in ca8210_interrupt_init()
2906 * ca8210_dev_com_init() - Initialise the spi communication component
2913 priv->mlme_workqueue = alloc_ordered_workqueue( in ca8210_dev_com_init()
2917 if (!priv->mlme_workqueue) { in ca8210_dev_com_init()
2918 dev_crit(&priv->spi->dev, "alloc of mlme_workqueue failed!\n"); in ca8210_dev_com_init()
2919 return -ENOMEM; in ca8210_dev_com_init()
2922 priv->irq_workqueue = alloc_ordered_workqueue( in ca8210_dev_com_init()
2926 if (!priv->irq_workqueue) { in ca8210_dev_com_init()
2927 dev_crit(&priv->spi->dev, "alloc of irq_workqueue failed!\n"); in ca8210_dev_com_init()
2928 destroy_workqueue(priv->mlme_workqueue); in ca8210_dev_com_init()
2929 return -ENOMEM; in ca8210_dev_com_init()
2936 * ca8210_dev_com_clear() - Deinitialise the spi communication component
2941 flush_workqueue(priv->mlme_workqueue); in ca8210_dev_com_clear()
2942 destroy_workqueue(priv->mlme_workqueue); in ca8210_dev_com_clear()
2943 flush_workqueue(priv->irq_workqueue); in ca8210_dev_com_clear()
2944 destroy_workqueue(priv->irq_workqueue); in ca8210_dev_com_clear()
2954 -10300, -10250, -10200, -10150, -10100, -10050, -10000, -9950, -9900,
2955 -9850, -9800, -9750, -9700, -9650, -9600, -9550, -9500, -9450, -9400,
2956 -9350, -9300
2960 * ca8210_hw_setup() - Populate the ieee802154_hw phy attributes with the
2966 /* Support channels 11-26 */ in ca8210_hw_setup()
2967 ca8210_hw->phy->supported.channels[0] = CA8210_VALID_CHANNELS; in ca8210_hw_setup()
2968 ca8210_hw->phy->supported.tx_powers_size = CA8210_MAX_TX_POWERS; in ca8210_hw_setup()
2969 ca8210_hw->phy->supported.tx_powers = ca8210_tx_powers; in ca8210_hw_setup()
2970 ca8210_hw->phy->supported.cca_ed_levels_size = CA8210_MAX_ED_LEVELS; in ca8210_hw_setup()
2971 ca8210_hw->phy->supported.cca_ed_levels = ca8210_ed_levels; in ca8210_hw_setup()
2972 ca8210_hw->phy->current_channel = 18; in ca8210_hw_setup()
2973 ca8210_hw->phy->current_page = 0; in ca8210_hw_setup()
2974 ca8210_hw->phy->transmit_power = 800; in ca8210_hw_setup()
2975 ca8210_hw->phy->cca.mode = NL802154_CCA_ENERGY_CARRIER; in ca8210_hw_setup()
2976 ca8210_hw->phy->cca.opt = NL802154_CCA_OPT_ENERGY_CARRIER_AND; in ca8210_hw_setup()
2977 ca8210_hw->phy->cca_ed_level = -9800; in ca8210_hw_setup()
2978 ca8210_hw->phy->symbol_duration = 16; in ca8210_hw_setup()
2979 ca8210_hw->phy->lifs_period = 40; in ca8210_hw_setup()
2980 ca8210_hw->phy->sifs_period = 12; in ca8210_hw_setup()
2981 ca8210_hw->flags = in ca8210_hw_setup()
2987 ca8210_hw->phy->flags = in ca8210_hw_setup()
2994 * ca8210_test_interface_init() - Initialise the test file interface
3006 struct ca8210_test *test = &priv->test; in ca8210_test_interface_init()
3013 priv->spi->master->bus_num, in ca8210_test_interface_init()
3014 priv->spi->chip_select in ca8210_test_interface_init()
3017 test->ca8210_dfs_spi_int = debugfs_create_file( in ca8210_test_interface_init()
3026 init_waitqueue_head(&test->readq); in ca8210_test_interface_init()
3028 &test->up_fifo, in ca8210_test_interface_init()
3035 * ca8210_test_interface_clear() - Deinitialise the test file interface
3040 struct ca8210_test *test = &priv->test; in ca8210_test_interface_clear()
3042 debugfs_remove(test->ca8210_dfs_spi_int); in ca8210_test_interface_clear()
3043 kfifo_free(&test->up_fifo); in ca8210_test_interface_clear()
3044 dev_info(&priv->spi->dev, "Test interface removed\n"); in ca8210_test_interface_clear()
3048 * ca8210_remove() - Shut down a ca8210 upon being disconnected
3058 dev_info(&spi_device->dev, "Removing ca8210\n"); in ca8210_remove()
3060 pdata = spi_device->dev.platform_data; in ca8210_remove()
3062 if (pdata->extclockenable) { in ca8210_remove()
3066 free_irq(pdata->irq_id, spi_device->dev.driver_data); in ca8210_remove()
3068 spi_device->dev.platform_data = NULL; in ca8210_remove()
3074 &spi_device->dev, in ca8210_remove()
3076 priv->sync_down, in ca8210_remove()
3077 priv->sync_up in ca8210_remove()
3079 ca8210_dev_com_clear(spi_device->dev.driver_data); in ca8210_remove()
3080 if (priv->hw) { in ca8210_remove()
3081 if (priv->hw_registered) in ca8210_remove()
3082 ieee802154_unregister_hw(priv->hw); in ca8210_remove()
3083 ieee802154_free_hw(priv->hw); in ca8210_remove()
3084 priv->hw = NULL; in ca8210_remove()
3086 &spi_device->dev, in ca8210_remove()
3098 * ca8210_probe() - Set up a connected ca8210 upon being detected by the system
3110 dev_info(&spi_device->dev, "Inserting ca8210\n"); in ca8210_probe()
3115 dev_crit(&spi_device->dev, "ieee802154_alloc_hw failed\n"); in ca8210_probe()
3116 ret = -ENOMEM; in ca8210_probe()
3120 priv = hw->priv; in ca8210_probe()
3121 priv->hw = hw; in ca8210_probe()
3122 priv->spi = spi_device; in ca8210_probe()
3123 hw->parent = &spi_device->dev; in ca8210_probe()
3124 spin_lock_init(&priv->lock); in ca8210_probe()
3125 priv->async_tx_pending = false; in ca8210_probe()
3126 priv->hw_registered = false; in ca8210_probe()
3127 priv->sync_up = 0; in ca8210_probe()
3128 priv->sync_down = 0; in ca8210_probe()
3129 priv->promiscuous = false; in ca8210_probe()
3130 priv->retries = 0; in ca8210_probe()
3131 init_completion(&priv->ca8210_is_awake); in ca8210_probe()
3132 init_completion(&priv->spi_transfer_complete); in ca8210_probe()
3133 init_completion(&priv->sync_exchange_complete); in ca8210_probe()
3134 spi_set_drvdata(priv->spi, priv); in ca8210_probe()
3142 ieee802154_random_extended_addr(&hw->phy->perm_extended_addr); in ca8210_probe()
3146 ret = -ENOMEM; in ca8210_probe()
3150 priv->spi->dev.platform_data = pdata; in ca8210_probe()
3151 ret = ca8210_get_platform_data(priv->spi, pdata); in ca8210_probe()
3153 dev_crit(&spi_device->dev, "ca8210_get_platform_data failed\n"); in ca8210_probe()
3159 dev_crit(&spi_device->dev, "ca8210_dev_com_init failed\n"); in ca8210_probe()
3162 ret = ca8210_reset_init(priv->spi); in ca8210_probe()
3164 dev_crit(&spi_device->dev, "ca8210_reset_init failed\n"); in ca8210_probe()
3168 ret = ca8210_interrupt_init(priv->spi); in ca8210_probe()
3170 dev_crit(&spi_device->dev, "ca8210_interrupt_init failed\n"); in ca8210_probe()
3176 ca8210_reset_send(priv->spi, 1); in ca8210_probe()
3178 ret = tdme_chipinit(priv->spi); in ca8210_probe()
3180 dev_crit(&spi_device->dev, "tdme_chipinit failed\n"); in ca8210_probe()
3184 if (pdata->extclockenable) { in ca8210_probe()
3185 ret = ca8210_config_extern_clk(pdata, priv->spi, 1); in ca8210_probe()
3188 &spi_device->dev, in ca8210_probe()
3193 ret = ca8210_register_ext_clock(priv->spi); in ca8210_probe()
3196 &spi_device->dev, in ca8210_probe()
3205 dev_crit(&spi_device->dev, "ieee802154_register_hw failed\n"); in ca8210_probe()
3208 priv->hw_registered = true; in ca8210_probe()
3236 MODULE_DESCRIPTION("CA-8210 SoftMAC driver");