/* $OpenBSD: bcwvar.h,v 1.37 2007/04/04 19:36:42 mglocker Exp $ */ /* * Copyright (c) 2007 Marcus Glocker * Copyright (c) 2006 Jon Simola * * 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. */ /* * Broadcom BCM43xx Wireless network chipsets (broadcom.com) * SiliconBackplane is technology from Sonics, Inc. (sonicsinc.com) */ #define BCW_ARRAY_SIZE(array) (sizeof(array) / sizeof(array[0])) #define BCW_FLAGS_INITIALIZED 0x00000001 #define BCW_DEFAULT_SHORT_RETRY_LIMIT 7 #define BCW_DEFAULT_LONG_RETRY_LIMIT 4 struct fwheader { char filename[64]; int filesize; int fileoffset; }; struct bcw_initval { uint16_t offset; uint16_t size; uint32_t value; } __packed; #define BCW_NR_LEDS 4 struct bcw_led { uint8_t behaviour:7; uint8_t activelow:1; unsigned long blink_interval; }; enum { BCW_LED_OFF, BCW_LED_ON, BCW_LED_ACTIVITY, BCW_LED_RADIO_ALL, BCW_LED_RADIO_A, BCW_LED_RADIO_B, BCW_LED_MODE_BG, BCW_LED_TRANSFER, BCW_LED_APTRANSFER, BCW_LED_WEIRD, /* XXX */ BCW_LED_ASSOC, BCW_LED_INACTIVE, /* * Behaviour values for testing. * With these values it is easier to figure out * the real behaviour of leds, in case the SPROM * is missing information. */ BCW_LED_TEST_BLINKSLOW, BCW_LED_TEST_BLINKMEDIUM, BCW_LED_TEST_BLINKFAST, /* misc values for BCM4303 */ BCW_LED_BCM4303_0 = 0x2B, BCW_LED_BCM4303_1 = 0x78, BCW_LED_BCM4303_2 = 0x2E, BCW_LED_BCM4303_3 = 0x19, }; #define BCW_RADIO_TXANTENNA_LASTPLCP 3 #define BCW_RADIO_TXANTENNA_DEFAULT BCW_RADIO_TXANTENNA_LASTPLCP #define BCW_RADIO_INTERFMODE_NONE 0 #define BCW_RADIO_INTERFMODE_NONWLAN 1 #define BCW_RADIO_INTERFMODE_MANUALWLAN 2 #define BCW_RADIO_INTERFMODE_AUTOWLAN 3 #define BCW_RADIO_DEFAULT_CHANNEL_A 36 #define BCW_RADIO_DEFAULT_CHANNEL_BG 6 #define BCW_RADIO_MAX 2 struct bcw_radio { uint16_t id; uint16_t info; u_char enabled; }; #define BCW_MAX_CORES 10 struct bcw_core { uint16_t id; uint8_t index; uint8_t rev; uint8_t backplane_flag; }; /* number of descriptors used in a ring */ #define BCW_RX_RING_COUNT 128 #define BCW_TX_RING_COUNT 128 #define BCW_MAX_SCATTER 8 /* XXX unknown, wild guess */ struct bcw_rx_data { bus_dmamap_t map; struct mbuf *m; }; struct bcw_tx_data { bus_dmamap_t map; struct mbuf *m; uint32_t softstat; struct ieee80211_node *ni; }; struct bcw_rx_ring { bus_dmamap_t map; bus_dma_segment_t seg; bus_addr_t physaddr; struct bcw_desc *desc; struct bcw_rx_data *data; int count; int cur; int next; }; struct bcw_tx_ring { bus_dmamap_t map; bus_dma_segment_t seg; bus_addr_t physaddr; struct bcw_desc *desc; struct bcw_tx_data *data; int count; int queued; int cur; int next; int stat; }; struct bcw_desc { uint32_t ctrl; uint32_t addr; }; /* ring descriptor */ struct bcw_dma_slot { uint32_t ctrl; uint32_t addr; }; struct bcw_lopair { int8_t low; int8_t high; uint8_t used:1; }; #define BCW_LO_COUNT (14 * 4) #define CTRL_BC_MASK 0x1fff /* buffer byte count */ #define CTRL_EOT 0x10000000 /* end of descriptor table */ #define CTRL_IOC 0x20000000 /* interrupt on completion */ #define CTRL_EOF 0x40000000 /* end of frame */ #define CTRL_SOF 0x80000000 /* start of frame */ /* radio */ #define BCW_INTERFSTACK_SIZE 26 /* ilt */ #define BCW_ILT_FINEFREQA_SIZE 256 #define BCW_ILT_FINEFREQG_SIZE 256 #define BCW_ILT_NOISEA2_SIZE 8 #define BCW_ILT_NOISEA3_SIZE 8 #define BCW_ILT_NOISEG1_SIZE 8 #define BCW_ILT_NOISEG2_SIZE 8 #define BCW_ILT_ROTOR_SIZE 53 #define BCW_ILT_RETARD_SIZE 53 #define BCW_ILT_SIGMASQR_SIZE 53 #define BCW_ILT_NOISESCALEG_SIZE 27 #if 0 /* * Mbuf pointers. We need these to keep track of the virtual addresses * of our mbuf chains since we can only convert from physical to virtual, * not the other way around. * * The chip has 6 DMA engines, looks like we only need to use one each * for TX and RX, the others stay disabled. */ struct bcw_chain_data { struct mbuf *bcw_tx_chain[BCW_NTXDESC]; struct mbuf *bcw_rx_chain[BCW_NRXDESC]; bus_dmamap_t bcw_tx_map[BCW_NTXDESC]; bus_dmamap_t bcw_rx_map[BCW_NRXDESC]; }; #endif struct bcw_rx_ring; struct bcw_tx_ring; #define BCW_SPROM_SIZE 64 /* in 16-bit words */ struct bcw_sprom { uint16_t boardflags2; uint8_t il0macaddr[6]; uint8_t et0macaddr[6]; uint8_t et1macaddr[6]; uint8_t et1phyaddr:5; uint8_t et0phyaddr:5; uint8_t et0mdcport:1; uint8_t et1mdcport:1; uint8_t boardrev; uint8_t locale:4; uint8_t antennas_aphy:2; uint8_t antennas_bgphy:2; uint16_t pa0b0; uint16_t pa0b1; uint16_t pa0b2; uint8_t wl0gpio0; uint8_t wl0gpio1; uint8_t wl0gpio2; uint8_t wl0gpio3; uint8_t maxpower_aphy; uint8_t maxpower_bgphy; uint16_t pa1b0; uint16_t pa1b1; uint16_t pa1b2; uint8_t idle_tssi_tgt_aphy; uint8_t idle_tssi_tgt_bgphy; uint16_t boardflags; uint16_t antennagain_aphy; uint16_t antennagain_bgphy; }; struct bcw_softc { struct device sc_dev; struct ieee80211com sc_ic; struct bcw_rx_ring sc_rxring; struct bcw_tx_ring sc_txring; /* function pointers */ int (*sc_newstate)(struct ieee80211com *, enum ieee80211_state, int); int (*sc_enable)(struct bcw_softc *); void (*sc_disable)(struct bcw_softc *); void (*sc_power)(struct bcw_softc *, int); void (*sc_conf_write)(void *, uint32_t, uint32_t); uint32_t (*sc_conf_read)(void *, uint32_t); bus_dma_tag_t sc_dmat; bus_space_tag_t sc_iot; bus_space_handle_t sc_ioh; void *sc_dev_softc; uint32_t sc_flags; uint32_t sc_intmask; /* current intr mask */ uint32_t sc_rxin; /* last rx desc seen */ uint32_t sc_txin; /* last tx desc seen */ int sc_txsfree; /* no. tx slots avail */ int sc_txsnext; /* next avail tx slot */ bus_dmamap_t sc_ring_map; struct bcw_dma_slot *bcw_rx_ring; /* receive ring */ struct bcw_dma_slot *bcw_tx_ring; /* transmit ring */ struct timeout sc_timeout; struct timeout sc_scan_to; //struct bcw_chain_data sc_cdata; /* mbufs */ uint16_t sc_board_vendor; /* Board vendor */ uint16_t sc_board_type; /* Board type */ uint16_t sc_board_rev; /* Board revision */ uint16_t sc_chip_id; /* Chip ID */ uint16_t sc_chip_rev; /* Chip revision */ uint16_t sc_chip_pkg; /* Chip package */ uint16_t sc_prodid; /* Product ID */ uint8_t sc_idletssi; uint16_t sc_boardflags; uint16_t sc_using_pio:1; struct bcw_sprom sc_sprom; struct bcw_led leds[BCW_NR_LEDS]; /* cores */ uint16_t sc_numcores; uint16_t sc_havecommon; int sc_currentcore; int sc_lastcore; uint32_t sc_chip_common_capa; struct bcw_core sc_core[BCW_MAX_CORES]; struct bcw_core *sc_core_common; struct bcw_core *sc_core_80211; struct bcw_core *sc_core_bus; /* PCI or cardbus */ /* PHY */ uint16_t sc_phy_ver; uint16_t sc_phy_rev; uint16_t sc_phy_type; uint8_t sc_phy_connected:1, /* XXX */ sc_phy_calibrated:1, sc_phy_is_locked:1, sc_phy_dyn_tssi_tbl:1; uint16_t sc_phy_loopback_gain[2]; uint16_t sc_phy_savedpctlreg; uint16_t sc_phy_minlowsig[2]; uint16_t sc_phy_minlowsigpos[2]; int8_t sc_phy_idle_tssi; const int8_t sc_phy_tssi2dbm; uint16_t sc_phy_antenna_diversity; struct bcw_lopair *sc_phy_lopairs; /* radio */ uint16_t sc_radio_ver; uint16_t sc_radio_rev; uint32_t sc_radio_mnf; uint16_t sc_radio_initval; int16_t sc_radio_nrssi[2]; int sc_radio_interfmode; uint8_t sc_radio_aci_enable:1, sc_radio_aci_wlan_automatic:1, sc_radio_aci_hw_rssi; int32_t sc_radio_nrssislope; uint16_t sc_radio_txpwr_offset; uint16_t sc_radio_lofcal; uint16_t sc_radio_txpower_desired; uint16_t sc_radio_pa0b0; uint16_t sc_radio_pa0b1; uint16_t sc_radio_pa0b2; uint16_t sc_radio_pa1b0; uint16_t sc_radio_pa1b1; uint16_t sc_radio_pa1b2; uint16_t sc_radio_baseband_atten; uint16_t sc_radio_radio_atten; uint16_t sc_radio_txctl1; uint16_t sc_radio_txctl2; uint8_t sc_radio_channel; int8_t sc_radio_nrssi_lt[64]; uint32_t sc_radio_interfstack[BCW_INTERFSTACK_SIZE]; //struct bcw_radio radio[BCW_RADIO_MAX]; }; void bcw_attach(struct bcw_softc *); int bcw_detach(void *); int bcw_intr(void *); void bcw_powercontrol_crystal_on(struct bcw_softc *); #define BCW_DEBUG #ifdef BCW_DEBUG //#define DPRINTF(x) do { if (bcw_debug) printf x; } while (0) //#define DPRINTFN(n,x) do { if (bcwdebug >= (n)) printf x; } while (0) #define DPRINTF(x) do { if (1) printf x; } while (0) #define DPRINTFN(n,x) do { if (1 >= (n)) printf x; } while (0) //int bcw_debug = 99; #else #define DPRINTF(x) #define DPRINTFN(n,x) #endif /* * Some legacy stuff from bce and iwi to make this compile */ /* transmit buffer max frags allowed */ #define BCW_NTXFRAGS 16 /* Packet status is returned in a pre-packet header */ struct rx_pph { uint16_t len; uint16_t flags; uint16_t pad[12]; }; #define BCW_PREPKT_HEADER_SIZE 30 /* packet status flags bits */ #define RXF_NO 0x8 /* odd number of nibbles */ #define RXF_RXER 0x4 /* receive symbol error */ #define RXF_CRC 0x2 /* crc error */ #define RXF_OV 0x1 /* fifo overflow */ #define BCW_TIMEOUT 100 /* # 10us for mii read/write */ /* for ring descriptors */ #define BCW_RXBUF_LEN (MCLBYTES - 4) #define BCW_INIT_RXDESC(sc, x) \ do { \ struct bcw_dma_slot *__bcwd = &sc->bcw_rx_ring[x]; \ \ *mtod(sc->bcw_cdata.bcw_rx_chain[x], uint32_t *) = 0; \ __bcwd->addr = \ htole32(sc->bcw_cdata.bcw_rx_map[x]->dm_segs[0].ds_addr \ + 0x40000000); \ if (x != (BCW_NRXDESC - 1)) \ __bcwd->ctrl = htole32(BCW_RXBUF_LEN); \ else \ __bcwd->ctrl = htole32(BCW_RXBUF_LEN | CTRL_EOT); \ bus_dmamap_sync(sc->bcw_dmatag, sc->bcw_ring_map, \ sizeof(struct bcw_dma_slot) * x, \ sizeof(struct bcw_dma_slot), \ BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); \ } while (/* CONSTCOND */ 0) #define BCW_NTXFRAGS 16