/* $OpenBSD: acx111.c,v 1.17 2008/06/01 10:17:45 brad Exp $ */ /* * Copyright (c) 2006 Jonathan Gray <jsg@openbsd.org> * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ /* * Copyright (c) 2006 The DragonFly Project. All rights reserved. * * This code is derived from software contributed to The DragonFly Project * by Sepherosa Ziehau <sepherosa@gmail.com> * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * 3. Neither the name of The DragonFly Project nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific, prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include <sys/param.h> #include <sys/endian.h> #include <sys/socket.h> #include <sys/sysctl.h> #include <sys/device.h> #include <machine/bus.h> #include <net/if.h> #include <net/if_arp.h> #include <net/if_media.h> #include <net/if.h> #ifdef INET #include <netinet/in.h> #include <netinet/if_ether.h> #endif #include <net80211/ieee80211_var.h> #include <net80211/ieee80211_amrr.h> #include <net80211/ieee80211_radiotap.h> #include <dev/pci/pcireg.h> #include <dev/ic/acxvar.h> #include <dev/ic/acxreg.h> #define ACX111_CONF_MEM 0x0003 #define ACX111_CONF_MEMINFO 0x0005 #define ACX111_INTR_ENABLE (ACXRV_INTR_TX_FINI | ACXRV_INTR_RX_FINI) /* * XXX do we really care about fowlling interrupts? * * ACXRV_INTR_IV_ICV_FAILURE | ACXRV_INTR_INFO | * ACXRV_INTR_SCAN_FINI | ACXRV_INTR_FCS_THRESHOLD */ #define ACX111_INTR_DISABLE (uint16_t)~(ACXRV_INTR_CMD_FINI) #define ACX111_RATE_2 0x0001 #define ACX111_RATE_4 0x0002 #define ACX111_RATE_11 0x0004 #define ACX111_RATE_12 0x0008 #define ACX111_RATE_18 0x0010 #define ACX111_RATE_22 0x0020 #define ACX111_RATE_24 0x0040 #define ACX111_RATE_36 0x0080 #define ACX111_RATE_44 0x0100 #define ACX111_RATE_48 0x0200 #define ACX111_RATE_72 0x0400 #define ACX111_RATE_96 0x0800 #define ACX111_RATE_108 0x1000 /* XXX skip ACX111_RATE_44 */ #define ACX111_RATE_ALL 0x1eff #define ACX111_TXPOWER 15 #define ACX111_GPIO_POWER_LED 0x0040 #define ACX111_EE_EADDR_OFS 0x21 #define ACX111_FW_TXDESC_SIZE (sizeof(struct acx_fw_txdesc) + 4) #if ACX111_TXPOWER <= 12 #define ACX111_TXPOWER_VAL 1 #else #define ACX111_TXPOWER_VAL 2 #endif int acx111_init(struct acx_softc *); int acx111_init_memory(struct acx_softc *); void acx111_init_fw_txring(struct acx_softc *, uint32_t); int acx111_write_config(struct acx_softc *, struct acx_config *); void acx111_set_fw_txdesc_rate(struct acx_softc *, struct acx_txbuf *, int); void acx111_set_bss_join_param(struct acx_softc *, void *, int); /* * NOTE: * Following structs' fields are little endian */ struct acx111_bss_join { uint16_t basic_rates; uint8_t dtim_intvl; } __packed; struct acx111_conf_mem { struct acx_conf confcom; uint16_t sta_max; /* max num of sta, ACX111_STA_MAX */ uint16_t memblk_size; /* mem block size */ uint8_t rx_memblk_perc; /* percent of RX mem block, unit: 5% */ uint8_t fw_rxring_num; /* num of RX ring */ uint8_t fw_txring_num; /* num of TX ring */ uint8_t opt; /* see ACX111_MEMOPT_ */ uint8_t xfer_perc; /* frag/xfer proportion, unit: 5% */ uint16_t reserved0; uint8_t reserved1; uint8_t fw_rxdesc_num; /* num of fw rx desc */ uint8_t fw_rxring_reserved1; uint8_t fw_rxring_type; /* see ACX111_RXRING_TYPE_ */ uint8_t fw_rxring_prio; /* see ACX111_RXRING_PRIO_ */ uint32_t h_rxring_paddr; /* host rx desc start phyaddr */ uint8_t fw_txdesc_num; /* num of fw tx desc */ uint8_t fw_txring_reserved1; uint8_t fw_txring_reserved2; uint8_t fw_txring_attr; /* see ACX111_TXRING_ATTR_ */ } __packed; #define ACX111_STA_MAX 32 #define ACX111_RX_MEMBLK_PERCENT 10 /* 50% */ #define ACX111_XFER_PERCENT 15 /* 75% */ #define ACX111_RXRING_TYPE_DEFAULT 7 #define ACX111_RXRING_PRIO_DEFAULT 0 #define ACX111_TXRING_ATTR_DEFAULT 0 #define ACX111_MEMOPT_DEFAULT 0 struct acx111_conf_meminfo { struct acx_conf confcom; uint32_t tx_memblk_addr; /* start addr of tx mem blocks */ uint32_t rx_memblk_addr; /* start addr of rx mem blocks */ uint32_t fw_rxring_start; /* start phyaddr of fw rx ring */ uint32_t reserved0; uint32_t fw_txring_start; /* start phyaddr of fw tx ring */ uint8_t fw_txring_attr; /* XXX see ACX111_TXRING_ATTR_ */ uint16_t reserved1; uint8_t reserved2; } __packed; struct acx111_conf_txpower { struct acx_conf confcom; uint8_t txpower; } __packed; struct acx111_conf_option { struct acx_conf confcom; uint32_t feature; uint32_t dataflow; /* see ACX111_DF_ */ } __packed; #define ACX111_DF_NO_RXDECRYPT 0x00000080 #define ACX111_DF_NO_TXENCRYPT 0x00000001 struct acx111_wepkey { uint8_t mac_addr[IEEE80211_ADDR_LEN]; uint16_t action; /* see ACX111_WEPKEY_ACT_ */ uint16_t reserved; uint8_t key_len; uint8_t key_type; /* see ACX111_WEPKEY_TYPE_ */ uint8_t index; /* XXX ?? */ uint8_t key_idx; uint8_t counter[6]; #define ACX111_WEPKEY_LEN 32 uint8_t key[ACX111_WEPKEY_LEN]; } __packed; #define ACX111_WEPKEY_ACT_ADD 1 #define ACX111_WEPKEY_TYPE_DEFAULT 0 static const uint16_t acx111_reg[ACXREG_MAX] = { ACXREG(SOFT_RESET, 0x0000), ACXREG(FWMEM_ADDR, 0x0014), ACXREG(FWMEM_DATA, 0x0018), ACXREG(FWMEM_CTRL, 0x001c), ACXREG(FWMEM_START, 0x0020), ACXREG(EVENT_MASK, 0x0034), ACXREG(INTR_TRIG, 0x00b4), ACXREG(INTR_MASK, 0x00d4), ACXREG(INTR_STATUS, 0x00f0), ACXREG(INTR_STATUS_CLR, 0x00e4), ACXREG(INTR_ACK, 0x00e8), ACXREG(HINTR_TRIG, 0x00ec), ACXREG(RADIO_ENABLE, 0x01d0), ACXREG(EEPROM_INIT, 0x0100), ACXREG(EEPROM_CTRL, 0x0338), ACXREG(EEPROM_ADDR, 0x033c), ACXREG(EEPROM_DATA, 0x0340), ACXREG(EEPROM_CONF, 0x0344), ACXREG(EEPROM_INFO, 0x0390), ACXREG(PHY_ADDR, 0x0350), ACXREG(PHY_DATA, 0x0354), ACXREG(PHY_CTRL, 0x0358), ACXREG(GPIO_OUT_ENABLE, 0x0374), ACXREG(GPIO_OUT, 0x037c), ACXREG(CMD_REG_OFFSET, 0x0388), ACXREG(INFO_REG_OFFSET, 0x038c), ACXREG(RESET_SENSE, 0x0104), ACXREG(ECPU_CTRL, 0x0108) }; /* XXX */ static uint16_t acx111_rate_map[109] = { ACX111_RATE_2, ACX111_RATE_4, ACX111_RATE_11, ACX111_RATE_22, ACX111_RATE_12, ACX111_RATE_18, ACX111_RATE_24, ACX111_RATE_36, ACX111_RATE_48, ACX111_RATE_72, ACX111_RATE_96, ACX111_RATE_108 }; void acx111_set_param(struct acx_softc *sc) { sc->chip_mem1_rid = PCIR_BAR(0); sc->chip_mem2_rid = PCIR_BAR(1); sc->chip_ioreg = acx111_reg; sc->chip_intr_enable = ACX111_INTR_ENABLE; sc->chip_intr_disable = ACX111_INTR_DISABLE; sc->chip_gpio_pled = ACX111_GPIO_POWER_LED; sc->chip_ee_eaddr_ofs = ACX111_EE_EADDR_OFS; sc->chip_phymode = IEEE80211_MODE_11G; sc->chip_chan_flags = IEEE80211_CHAN_CCK | IEEE80211_CHAN_OFDM | IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ; sc->sc_ic.ic_caps = IEEE80211_C_WEP | IEEE80211_C_SHSLOT; sc->sc_ic.ic_phytype = IEEE80211_T_OFDM; sc->sc_ic.ic_sup_rates[IEEE80211_MODE_11B] = ieee80211_std_rateset_11b; sc->sc_ic.ic_sup_rates[IEEE80211_MODE_11G] = ieee80211_std_rateset_11g; sc->chip_init = acx111_init; sc->chip_write_config = acx111_write_config; sc->chip_set_fw_txdesc_rate = acx111_set_fw_txdesc_rate; sc->chip_set_bss_join_param = acx111_set_bss_join_param; sc->sc_flags |= ACX_FLAG_ACX111; } int acx111_init(struct acx_softc *sc) { struct ifnet *ifp = &sc->sc_ic.ic_if; /* * NOTE: * Order of initialization: * 1) Templates * 2) Hardware memory * Above order is critical to get a correct memory map */ if (acx_init_tmplt_ordered(sc) != 0) { printf("%s: %s can't initialize templates\n", ifp->if_xname, __func__); return (ENXIO); } if (acx111_init_memory(sc) != 0) { printf("%s: %s can't initialize hw memory\n", ifp->if_xname, __func__); return (ENXIO); } return (0); } int acx111_init_memory(struct acx_softc *sc) { struct acx111_conf_mem mem; struct acx111_conf_meminfo mem_info; struct ifnet *ifp = &sc->sc_ic.ic_if; /* Set memory configuration */ bzero(&mem, sizeof(mem)); mem.sta_max = htole16(ACX111_STA_MAX); mem.memblk_size = htole16(ACX_MEMBLOCK_SIZE); mem.rx_memblk_perc = ACX111_RX_MEMBLK_PERCENT; mem.opt = ACX111_MEMOPT_DEFAULT; mem.xfer_perc = ACX111_XFER_PERCENT; mem.fw_rxring_num = 1; mem.fw_rxring_type = ACX111_RXRING_TYPE_DEFAULT; mem.fw_rxring_prio = ACX111_RXRING_PRIO_DEFAULT; mem.fw_rxdesc_num = ACX_RX_DESC_CNT; mem.h_rxring_paddr = htole32(sc->sc_ring_data.rx_ring_paddr); mem.fw_txring_num = 1; mem.fw_txring_attr = ACX111_TXRING_ATTR_DEFAULT; mem.fw_txdesc_num = ACX_TX_DESC_CNT; if (acx_set_conf(sc, ACX111_CONF_MEM, &mem, sizeof(mem)) != 0) { printf("%s: can't set mem\n", ifp->if_xname); return (1); } /* Get memory configuration */ if (acx_get_conf(sc, ACX111_CONF_MEMINFO, &mem_info, sizeof(mem_info)) != 0) { printf("%s: can't get meminfo\n", ifp->if_xname); return (1); } /* Setup firmware TX descriptor ring */ acx111_init_fw_txring(sc, letoh32(mem_info.fw_txring_start)); /* * There is no need to setup firmware RX descriptor ring, * it is automaticly setup by hardware. */ return (0); } void acx111_init_fw_txring(struct acx_softc *sc, uint32_t fw_txdesc_start) { struct acx_txbuf *tx_buf; uint32_t desc_paddr; int i; tx_buf = sc->sc_buf_data.tx_buf; desc_paddr = sc->sc_ring_data.tx_ring_paddr; for (i = 0; i < ACX_TX_DESC_CNT; ++i) { tx_buf[i].tb_fwdesc_ofs = fw_txdesc_start + (i * ACX111_FW_TXDESC_SIZE); /* * Except for the following fields, rest of the fields * are setup by hardware. */ FW_TXDESC_SETFIELD_4(sc, &tx_buf[i], f_tx_host_desc, desc_paddr); FW_TXDESC_SETFIELD_1(sc, &tx_buf[i], f_tx_ctrl, DESC_CTRL_HOSTOWN); desc_paddr += (2 * sizeof(struct acx_host_desc)); } } int acx111_write_config(struct acx_softc *sc, struct acx_config *conf) { struct acx111_conf_txpower tx_power; struct acx111_conf_option opt; struct ifnet *ifp = &sc->sc_ic.ic_if; uint32_t dataflow; /* Set TX power */ tx_power.txpower = ACX111_TXPOWER_VAL; if (acx_set_conf(sc, ACX_CONF_TXPOWER, &tx_power, sizeof(tx_power)) != 0) { printf("%s: %s can't set TX power\n", ifp->if_xname, __func__); return (ENXIO); } /* * Turn off hardware WEP */ if (acx_get_conf(sc, ACX_CONF_OPTION, &opt, sizeof(opt)) != 0) { printf("%s: %s can't get option\n", ifp->if_xname, __func__); return (ENXIO); } dataflow = letoh32(opt.dataflow) | ACX111_DF_NO_TXENCRYPT | ACX111_DF_NO_RXDECRYPT; opt.dataflow = htole32(dataflow); if (acx_set_conf(sc, ACX_CONF_OPTION, &opt, sizeof(opt)) != 0) { printf("%s: %s can't set option\n", ifp->if_xname, __func__); return (ENXIO); } return (0); } void acx111_set_fw_txdesc_rate(struct acx_softc *sc, struct acx_txbuf *tx_buf, int rate0) { uint16_t rate; rate = acx111_rate_map[rate0]; if (rate == 0) /* set rate to 1Mbit/s if rate was zero */ rate = acx111_rate_map[2]; FW_TXDESC_SETFIELD_2(sc, tx_buf, u.r2.rate111, rate); } void acx111_set_bss_join_param(struct acx_softc *sc, void *param, int dtim_intvl) { struct acx111_bss_join *bj = param; bj->basic_rates = htole16(ACX111_RATE_ALL); bj->dtim_intvl = dtim_intvl; }