diff options
Diffstat (limited to 'sys/dev/usb/wlan/if_urtw.c')
| -rw-r--r-- | sys/dev/usb/wlan/if_urtw.c | 4436 |
1 files changed, 4436 insertions, 0 deletions
diff --git a/sys/dev/usb/wlan/if_urtw.c b/sys/dev/usb/wlan/if_urtw.c new file mode 100644 index 000000000000..86cf4c653ae7 --- /dev/null +++ b/sys/dev/usb/wlan/if_urtw.c @@ -0,0 +1,4436 @@ +/*- + * Copyright (c) 2008 Weongyo Jeong <weongyo@FreeBSD.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. + */ + +#include "opt_wlan.h" + +#include <sys/param.h> +#include <sys/sockio.h> +#include <sys/sysctl.h> +#include <sys/lock.h> +#include <sys/mutex.h> +#include <sys/mbuf.h> +#include <sys/kernel.h> +#include <sys/socket.h> +#include <sys/systm.h> +#include <sys/malloc.h> +#include <sys/module.h> +#include <sys/bus.h> +#include <sys/endian.h> +#include <sys/kdb.h> + +#include <net/if.h> +#include <net/if_var.h> +#include <net/if_arp.h> +#include <net/ethernet.h> +#include <net/if_dl.h> +#include <net/if_media.h> +#include <net/if_types.h> + +#ifdef INET +#include <netinet/in.h> +#include <netinet/in_systm.h> +#include <netinet/in_var.h> +#include <netinet/if_ether.h> +#include <netinet/ip.h> +#endif + +#include <net80211/ieee80211_var.h> +#include <net80211/ieee80211_regdomain.h> +#include <net80211/ieee80211_radiotap.h> + +#include <dev/usb/usb.h> +#include <dev/usb/usbdi.h> +#include "usbdevs.h" + +#include <dev/usb/wlan/if_urtwreg.h> +#include <dev/usb/wlan/if_urtwvar.h> + +/* copy some rate indices from if_rtwn_ridx.h */ +#define URTW_RIDX_CCK5 2 +#define URTW_RIDX_CCK11 3 +#define URTW_RIDX_OFDM6 4 +#define URTW_RIDX_OFDM24 8 + +static SYSCTL_NODE(_hw_usb, OID_AUTO, urtw, CTLFLAG_RW | CTLFLAG_MPSAFE, 0, + "USB Realtek 8187L"); +#ifdef URTW_DEBUG +int urtw_debug = 0; +SYSCTL_INT(_hw_usb_urtw, OID_AUTO, debug, CTLFLAG_RWTUN, &urtw_debug, 0, + "control debugging printfs"); +enum { + URTW_DEBUG_XMIT = 0x00000001, /* basic xmit operation */ + URTW_DEBUG_RECV = 0x00000002, /* basic recv operation */ + URTW_DEBUG_RESET = 0x00000004, /* reset processing */ + URTW_DEBUG_TX_PROC = 0x00000008, /* tx ISR proc */ + URTW_DEBUG_RX_PROC = 0x00000010, /* rx ISR proc */ + URTW_DEBUG_STATE = 0x00000020, /* 802.11 state transitions */ + URTW_DEBUG_STAT = 0x00000040, /* statistic */ + URTW_DEBUG_INIT = 0x00000080, /* initialization of dev */ + URTW_DEBUG_TXSTATUS = 0x00000100, /* tx status */ + URTW_DEBUG_ANY = 0xffffffff +}; +#define DPRINTF(sc, m, fmt, ...) do { \ + if (sc->sc_debug & (m)) \ + printf(fmt, __VA_ARGS__); \ +} while (0) +#else +#define DPRINTF(sc, m, fmt, ...) do { \ + (void) sc; \ +} while (0) +#endif +static int urtw_preamble_mode = URTW_PREAMBLE_MODE_LONG; +SYSCTL_INT(_hw_usb_urtw, OID_AUTO, preamble_mode, CTLFLAG_RWTUN, + &urtw_preamble_mode, 0, "set the preable mode (long or short)"); + +/* recognized device vendors/products */ +#define urtw_lookup(v, p) \ + ((const struct urtw_type *)usb_lookup(urtw_devs, v, p)) +#define URTW_DEV_B(v,p) \ + { USB_VPI(USB_VENDOR_##v, USB_PRODUCT_##v##_##p, URTW_REV_RTL8187B) } +#define URTW_DEV_L(v,p) \ + { USB_VPI(USB_VENDOR_##v, USB_PRODUCT_##v##_##p, URTW_REV_RTL8187L) } +#define URTW_REV_RTL8187B 0 +#define URTW_REV_RTL8187L 1 +static const STRUCT_USB_HOST_ID urtw_devs[] = { + URTW_DEV_B(NETGEAR, WG111V3), + URTW_DEV_B(REALTEK, RTL8187B_0), + URTW_DEV_B(REALTEK, RTL8187B_1), + URTW_DEV_B(REALTEK, RTL8187B_2), + URTW_DEV_B(SITECOMEU, WL168V4), + URTW_DEV_L(ASUS, P5B_WIFI), + URTW_DEV_L(BELKIN, F5D7050E), + URTW_DEV_L(LINKSYS4, WUSB54GCV2), + URTW_DEV_L(NETGEAR, WG111V2), + URTW_DEV_L(REALTEK, RTL8187), + URTW_DEV_L(SITECOMEU, WL168V1), + URTW_DEV_L(SURECOM, EP9001G2A), + { USB_VPI(USB_VENDOR_OVISLINK, 0x8187, URTW_REV_RTL8187L) }, + { USB_VPI(USB_VENDOR_DICKSMITH, 0x9401, URTW_REV_RTL8187L) }, + { USB_VPI(USB_VENDOR_HP, 0xca02, URTW_REV_RTL8187L) }, + { USB_VPI(USB_VENDOR_LOGITEC, 0x010c, URTW_REV_RTL8187L) }, + { USB_VPI(USB_VENDOR_NETGEAR, 0x6100, URTW_REV_RTL8187L) }, + { USB_VPI(USB_VENDOR_SPHAIRON, 0x0150, URTW_REV_RTL8187L) }, + { USB_VPI(USB_VENDOR_QCOM, 0x6232, URTW_REV_RTL8187L) }, +#undef URTW_DEV_L +#undef URTW_DEV_B +}; + +#define urtw_read8_m(sc, val, data) do { \ + error = urtw_read8_c(sc, val, data); \ + if (error != 0) \ + goto fail; \ +} while (0) +#define urtw_write8_m(sc, val, data) do { \ + error = urtw_write8_c(sc, val, data); \ + if (error != 0) \ + goto fail; \ +} while (0) +#define urtw_read16_m(sc, val, data) do { \ + error = urtw_read16_c(sc, val, data); \ + if (error != 0) \ + goto fail; \ +} while (0) +#define urtw_write16_m(sc, val, data) do { \ + error = urtw_write16_c(sc, val, data); \ + if (error != 0) \ + goto fail; \ +} while (0) +#define urtw_read32_m(sc, val, data) do { \ + error = urtw_read32_c(sc, val, data); \ + if (error != 0) \ + goto fail; \ +} while (0) +#define urtw_write32_m(sc, val, data) do { \ + error = urtw_write32_c(sc, val, data); \ + if (error != 0) \ + goto fail; \ +} while (0) +#define urtw_8187_write_phy_ofdm(sc, val, data) do { \ + error = urtw_8187_write_phy_ofdm_c(sc, val, data); \ + if (error != 0) \ + goto fail; \ +} while (0) +#define urtw_8187_write_phy_cck(sc, val, data) do { \ + error = urtw_8187_write_phy_cck_c(sc, val, data); \ + if (error != 0) \ + goto fail; \ +} while (0) +#define urtw_8225_write(sc, val, data) do { \ + error = urtw_8225_write_c(sc, val, data); \ + if (error != 0) \ + goto fail; \ +} while (0) + +struct urtw_pair { + uint32_t reg; + uint32_t val; +}; + +static uint8_t urtw_8225_agc[] = { + 0x9e, 0x9e, 0x9e, 0x9e, 0x9e, 0x9e, 0x9e, 0x9e, 0x9d, 0x9c, 0x9b, + 0x9a, 0x99, 0x98, 0x97, 0x96, 0x95, 0x94, 0x93, 0x92, 0x91, 0x90, + 0x8f, 0x8e, 0x8d, 0x8c, 0x8b, 0x8a, 0x89, 0x88, 0x87, 0x86, 0x85, + 0x84, 0x83, 0x82, 0x81, 0x80, 0x3f, 0x3e, 0x3d, 0x3c, 0x3b, 0x3a, + 0x39, 0x38, 0x37, 0x36, 0x35, 0x34, 0x33, 0x32, 0x31, 0x30, 0x2f, + 0x2e, 0x2d, 0x2c, 0x2b, 0x2a, 0x29, 0x28, 0x27, 0x26, 0x25, 0x24, + 0x23, 0x22, 0x21, 0x20, 0x1f, 0x1e, 0x1d, 0x1c, 0x1b, 0x1a, 0x19, + 0x18, 0x17, 0x16, 0x15, 0x14, 0x13, 0x12, 0x11, 0x10, 0x0f, 0x0e, + 0x0d, 0x0c, 0x0b, 0x0a, 0x09, 0x08, 0x07, 0x06, 0x05, 0x04, 0x03, + 0x02, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01 +}; + +static uint8_t urtw_8225z2_agc[] = { + 0x5e, 0x5e, 0x5e, 0x5e, 0x5d, 0x5b, 0x59, 0x57, 0x55, 0x53, 0x51, + 0x4f, 0x4d, 0x4b, 0x49, 0x47, 0x45, 0x43, 0x41, 0x3f, 0x3d, 0x3b, + 0x39, 0x37, 0x35, 0x33, 0x31, 0x2f, 0x2d, 0x2b, 0x29, 0x27, 0x25, + 0x23, 0x21, 0x1f, 0x1d, 0x1b, 0x19, 0x17, 0x15, 0x13, 0x11, 0x0f, + 0x0d, 0x0b, 0x09, 0x07, 0x05, 0x03, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x19, 0x19, + 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x20, 0x21, 0x22, 0x23, + 0x24, 0x25, 0x26, 0x26, 0x27, 0x27, 0x28, 0x28, 0x29, 0x2a, 0x2a, + 0x2a, 0x2b, 0x2b, 0x2b, 0x2c, 0x2c, 0x2c, 0x2d, 0x2d, 0x2d, 0x2d, + 0x2e, 0x2e, 0x2e, 0x2e, 0x2f, 0x2f, 0x2f, 0x30, 0x30, 0x31, 0x31, + 0x31, 0x31, 0x31, 0x31, 0x31, 0x31, 0x31, 0x31, 0x31, 0x31, 0x31, + 0x31, 0x31, 0x31, 0x31, 0x31, 0x31, 0x31 +}; + +static uint32_t urtw_8225_channel[] = { + 0x0000, /* dummy channel 0 */ + 0x085c, /* 1 */ + 0x08dc, /* 2 */ + 0x095c, /* 3 */ + 0x09dc, /* 4 */ + 0x0a5c, /* 5 */ + 0x0adc, /* 6 */ + 0x0b5c, /* 7 */ + 0x0bdc, /* 8 */ + 0x0c5c, /* 9 */ + 0x0cdc, /* 10 */ + 0x0d5c, /* 11 */ + 0x0ddc, /* 12 */ + 0x0e5c, /* 13 */ + 0x0f72, /* 14 */ +}; + +static uint8_t urtw_8225_gain[] = { + 0x23, 0x88, 0x7c, 0xa5, /* -82dbm */ + 0x23, 0x88, 0x7c, 0xb5, /* -82dbm */ + 0x23, 0x88, 0x7c, 0xc5, /* -82dbm */ + 0x33, 0x80, 0x79, 0xc5, /* -78dbm */ + 0x43, 0x78, 0x76, 0xc5, /* -74dbm */ + 0x53, 0x60, 0x73, 0xc5, /* -70dbm */ + 0x63, 0x58, 0x70, 0xc5, /* -66dbm */ +}; + +static struct urtw_pair urtw_8225_rf_part1[] = { + { 0x00, 0x0067 }, { 0x01, 0x0fe0 }, { 0x02, 0x044d }, { 0x03, 0x0441 }, + { 0x04, 0x0486 }, { 0x05, 0x0bc0 }, { 0x06, 0x0ae6 }, { 0x07, 0x082a }, + { 0x08, 0x001f }, { 0x09, 0x0334 }, { 0x0a, 0x0fd4 }, { 0x0b, 0x0391 }, + { 0x0c, 0x0050 }, { 0x0d, 0x06db }, { 0x0e, 0x0029 }, { 0x0f, 0x0914 }, +}; + +static struct urtw_pair urtw_8225_rf_part2[] = { + { 0x00, 0x01 }, { 0x01, 0x02 }, { 0x02, 0x42 }, { 0x03, 0x00 }, + { 0x04, 0x00 }, { 0x05, 0x00 }, { 0x06, 0x40 }, { 0x07, 0x00 }, + { 0x08, 0x40 }, { 0x09, 0xfe }, { 0x0a, 0x09 }, { 0x0b, 0x80 }, + { 0x0c, 0x01 }, { 0x0e, 0xd3 }, { 0x0f, 0x38 }, { 0x10, 0x84 }, + { 0x11, 0x06 }, { 0x12, 0x20 }, { 0x13, 0x20 }, { 0x14, 0x00 }, + { 0x15, 0x40 }, { 0x16, 0x00 }, { 0x17, 0x40 }, { 0x18, 0xef }, + { 0x19, 0x19 }, { 0x1a, 0x20 }, { 0x1b, 0x76 }, { 0x1c, 0x04 }, + { 0x1e, 0x95 }, { 0x1f, 0x75 }, { 0x20, 0x1f }, { 0x21, 0x27 }, + { 0x22, 0x16 }, { 0x24, 0x46 }, { 0x25, 0x20 }, { 0x26, 0x90 }, + { 0x27, 0x88 } +}; + +static struct urtw_pair urtw_8225_rf_part3[] = { + { 0x00, 0x98 }, { 0x03, 0x20 }, { 0x04, 0x7e }, { 0x05, 0x12 }, + { 0x06, 0xfc }, { 0x07, 0x78 }, { 0x08, 0x2e }, { 0x10, 0x9b }, + { 0x11, 0x88 }, { 0x12, 0x47 }, { 0x13, 0xd0 }, { 0x19, 0x00 }, + { 0x1a, 0xa0 }, { 0x1b, 0x08 }, { 0x40, 0x86 }, { 0x41, 0x8d }, + { 0x42, 0x15 }, { 0x43, 0x18 }, { 0x44, 0x1f }, { 0x45, 0x1e }, + { 0x46, 0x1a }, { 0x47, 0x15 }, { 0x48, 0x10 }, { 0x49, 0x0a }, + { 0x4a, 0x05 }, { 0x4b, 0x02 }, { 0x4c, 0x05 } +}; + +static uint16_t urtw_8225_rxgain[] = { + 0x0400, 0x0401, 0x0402, 0x0403, 0x0404, 0x0405, 0x0408, 0x0409, + 0x040a, 0x040b, 0x0502, 0x0503, 0x0504, 0x0505, 0x0540, 0x0541, + 0x0542, 0x0543, 0x0544, 0x0545, 0x0580, 0x0581, 0x0582, 0x0583, + 0x0584, 0x0585, 0x0588, 0x0589, 0x058a, 0x058b, 0x0643, 0x0644, + 0x0645, 0x0680, 0x0681, 0x0682, 0x0683, 0x0684, 0x0685, 0x0688, + 0x0689, 0x068a, 0x068b, 0x068c, 0x0742, 0x0743, 0x0744, 0x0745, + 0x0780, 0x0781, 0x0782, 0x0783, 0x0784, 0x0785, 0x0788, 0x0789, + 0x078a, 0x078b, 0x078c, 0x078d, 0x0790, 0x0791, 0x0792, 0x0793, + 0x0794, 0x0795, 0x0798, 0x0799, 0x079a, 0x079b, 0x079c, 0x079d, + 0x07a0, 0x07a1, 0x07a2, 0x07a3, 0x07a4, 0x07a5, 0x07a8, 0x07a9, + 0x07aa, 0x07ab, 0x07ac, 0x07ad, 0x07b0, 0x07b1, 0x07b2, 0x07b3, + 0x07b4, 0x07b5, 0x07b8, 0x07b9, 0x07ba, 0x07bb, 0x07bb +}; + +static uint8_t urtw_8225_threshold[] = { + 0x8d, 0x8d, 0x8d, 0x8d, 0x9d, 0xad, 0xbd, +}; + +static uint8_t urtw_8225_tx_gain_cck_ofdm[] = { + 0x02, 0x06, 0x0e, 0x1e, 0x3e, 0x7e +}; + +static uint8_t urtw_8225_txpwr_cck[] = { + 0x18, 0x17, 0x15, 0x11, 0x0c, 0x08, 0x04, 0x02, + 0x1b, 0x1a, 0x17, 0x13, 0x0e, 0x09, 0x04, 0x02, + 0x1f, 0x1e, 0x1a, 0x15, 0x10, 0x0a, 0x05, 0x02, + 0x22, 0x21, 0x1d, 0x18, 0x11, 0x0b, 0x06, 0x02, + 0x26, 0x25, 0x21, 0x1b, 0x14, 0x0d, 0x06, 0x03, + 0x2b, 0x2a, 0x25, 0x1e, 0x16, 0x0e, 0x07, 0x03 +}; + +static uint8_t urtw_8225_txpwr_cck_ch14[] = { + 0x18, 0x17, 0x15, 0x0c, 0x00, 0x00, 0x00, 0x00, + 0x1b, 0x1a, 0x17, 0x0e, 0x00, 0x00, 0x00, 0x00, + 0x1f, 0x1e, 0x1a, 0x0f, 0x00, 0x00, 0x00, 0x00, + 0x22, 0x21, 0x1d, 0x11, 0x00, 0x00, 0x00, 0x00, + 0x26, 0x25, 0x21, 0x13, 0x00, 0x00, 0x00, 0x00, + 0x2b, 0x2a, 0x25, 0x15, 0x00, 0x00, 0x00, 0x00 +}; + +static uint8_t urtw_8225_txpwr_ofdm[]={ + 0x80, 0x90, 0xa2, 0xb5, 0xcb, 0xe4 +}; + +static uint8_t urtw_8225v2_gain_bg[]={ + 0x23, 0x15, 0xa5, /* -82-1dbm */ + 0x23, 0x15, 0xb5, /* -82-2dbm */ + 0x23, 0x15, 0xc5, /* -82-3dbm */ + 0x33, 0x15, 0xc5, /* -78dbm */ + 0x43, 0x15, 0xc5, /* -74dbm */ + 0x53, 0x15, 0xc5, /* -70dbm */ + 0x63, 0x15, 0xc5, /* -66dbm */ +}; + +static struct urtw_pair urtw_8225v2_rf_part1[] = { + { 0x00, 0x02bf }, { 0x01, 0x0ee0 }, { 0x02, 0x044d }, { 0x03, 0x0441 }, + { 0x04, 0x08c3 }, { 0x05, 0x0c72 }, { 0x06, 0x00e6 }, { 0x07, 0x082a }, + { 0x08, 0x003f }, { 0x09, 0x0335 }, { 0x0a, 0x09d4 }, { 0x0b, 0x07bb }, + { 0x0c, 0x0850 }, { 0x0d, 0x0cdf }, { 0x0e, 0x002b }, { 0x0f, 0x0114 } +}; + +static struct urtw_pair urtw_8225v2b_rf_part0[] = { + { 0x00, 0x00b7 }, { 0x01, 0x0ee0 }, { 0x02, 0x044d }, { 0x03, 0x0441 }, + { 0x04, 0x08c3 }, { 0x05, 0x0c72 }, { 0x06, 0x00e6 }, { 0x07, 0x082a }, + { 0x08, 0x003f }, { 0x09, 0x0335 }, { 0x0a, 0x09d4 }, { 0x0b, 0x07bb }, + { 0x0c, 0x0850 }, { 0x0d, 0x0cdf }, { 0x0e, 0x002b }, { 0x0f, 0x0114 } +}; + +static struct urtw_pair urtw_8225v2b_rf_part1[] = { + {0x0f0, 0x32}, {0x0f1, 0x32}, {0x0f2, 0x00}, + {0x0f3, 0x00}, {0x0f4, 0x32}, {0x0f5, 0x43}, + {0x0f6, 0x00}, {0x0f7, 0x00}, {0x0f8, 0x46}, + {0x0f9, 0xa4}, {0x0fa, 0x00}, {0x0fb, 0x00}, + {0x0fc, 0x96}, {0x0fd, 0xa4}, {0x0fe, 0x00}, + {0x0ff, 0x00}, {0x158, 0x4b}, {0x159, 0x00}, + {0x15a, 0x4b}, {0x15b, 0x00}, {0x160, 0x4b}, + {0x161, 0x09}, {0x162, 0x4b}, {0x163, 0x09}, + {0x1ce, 0x0f}, {0x1cf, 0x00}, {0x1e0, 0xff}, + {0x1e1, 0x0f}, {0x1e2, 0x00}, {0x1f0, 0x4e}, + {0x1f1, 0x01}, {0x1f2, 0x02}, {0x1f3, 0x03}, + {0x1f4, 0x04}, {0x1f5, 0x05}, {0x1f6, 0x06}, + {0x1f7, 0x07}, {0x1f8, 0x08}, {0x24e, 0x00}, + {0x20c, 0x04}, {0x221, 0x61}, {0x222, 0x68}, + {0x223, 0x6f}, {0x224, 0x76}, {0x225, 0x7d}, + {0x226, 0x84}, {0x227, 0x8d}, {0x24d, 0x08}, + {0x250, 0x05}, {0x251, 0xf5}, {0x252, 0x04}, + {0x253, 0xa0}, {0x254, 0x1f}, {0x255, 0x23}, + {0x256, 0x45}, {0x257, 0x67}, {0x258, 0x08}, + {0x259, 0x08}, {0x25a, 0x08}, {0x25b, 0x08}, + {0x260, 0x08}, {0x261, 0x08}, {0x262, 0x08}, + {0x263, 0x08}, {0x264, 0xcf}, {0x272, 0x56}, + {0x273, 0x9a}, {0x034, 0xf0}, {0x035, 0x0f}, + {0x05b, 0x40}, {0x084, 0x88}, {0x085, 0x24}, + {0x088, 0x54}, {0x08b, 0xb8}, {0x08c, 0x07}, + {0x08d, 0x00}, {0x094, 0x1b}, {0x095, 0x12}, + {0x096, 0x00}, {0x097, 0x06}, {0x09d, 0x1a}, + {0x09f, 0x10}, {0x0b4, 0x22}, {0x0be, 0x80}, + {0x0db, 0x00}, {0x0ee, 0x00}, {0x091, 0x03}, + {0x24c, 0x00}, {0x39f, 0x00}, {0x08c, 0x01}, + {0x08d, 0x10}, {0x08e, 0x08}, {0x08f, 0x00} +}; + +static struct urtw_pair urtw_8225v2_rf_part2[] = { + { 0x00, 0x01 }, { 0x01, 0x02 }, { 0x02, 0x42 }, { 0x03, 0x00 }, + { 0x04, 0x00 }, { 0x05, 0x00 }, { 0x06, 0x40 }, { 0x07, 0x00 }, + { 0x08, 0x40 }, { 0x09, 0xfe }, { 0x0a, 0x08 }, { 0x0b, 0x80 }, + { 0x0c, 0x01 }, { 0x0d, 0x43 }, { 0x0e, 0xd3 }, { 0x0f, 0x38 }, + { 0x10, 0x84 }, { 0x11, 0x07 }, { 0x12, 0x20 }, { 0x13, 0x20 }, + { 0x14, 0x00 }, { 0x15, 0x40 }, { 0x16, 0x00 }, { 0x17, 0x40 }, + { 0x18, 0xef }, { 0x19, 0x19 }, { 0x1a, 0x20 }, { 0x1b, 0x15 }, + { 0x1c, 0x04 }, { 0x1d, 0xc5 }, { 0x1e, 0x95 }, { 0x1f, 0x75 }, + { 0x20, 0x1f }, { 0x21, 0x17 }, { 0x22, 0x16 }, { 0x23, 0x80 }, + { 0x24, 0x46 }, { 0x25, 0x00 }, { 0x26, 0x90 }, { 0x27, 0x88 } +}; + +static struct urtw_pair urtw_8225v2b_rf_part2[] = { + { 0x00, 0x10 }, { 0x01, 0x0d }, { 0x02, 0x01 }, { 0x03, 0x00 }, + { 0x04, 0x14 }, { 0x05, 0xfb }, { 0x06, 0xfb }, { 0x07, 0x60 }, + { 0x08, 0x00 }, { 0x09, 0x60 }, { 0x0a, 0x00 }, { 0x0b, 0x00 }, + { 0x0c, 0x00 }, { 0x0d, 0x5c }, { 0x0e, 0x00 }, { 0x0f, 0x00 }, + { 0x10, 0x40 }, { 0x11, 0x00 }, { 0x12, 0x40 }, { 0x13, 0x00 }, + { 0x14, 0x00 }, { 0x15, 0x00 }, { 0x16, 0xa8 }, { 0x17, 0x26 }, + { 0x18, 0x32 }, { 0x19, 0x33 }, { 0x1a, 0x07 }, { 0x1b, 0xa5 }, + { 0x1c, 0x6f }, { 0x1d, 0x55 }, { 0x1e, 0xc8 }, { 0x1f, 0xb3 }, + { 0x20, 0x0a }, { 0x21, 0xe1 }, { 0x22, 0x2C }, { 0x23, 0x8a }, + { 0x24, 0x86 }, { 0x25, 0x83 }, { 0x26, 0x34 }, { 0x27, 0x0f }, + { 0x28, 0x4f }, { 0x29, 0x24 }, { 0x2a, 0x6f }, { 0x2b, 0xc2 }, + { 0x2c, 0x6b }, { 0x2d, 0x40 }, { 0x2e, 0x80 }, { 0x2f, 0x00 }, + { 0x30, 0xc0 }, { 0x31, 0xc1 }, { 0x32, 0x58 }, { 0x33, 0xf1 }, + { 0x34, 0x00 }, { 0x35, 0xe4 }, { 0x36, 0x90 }, { 0x37, 0x3e }, + { 0x38, 0x6d }, { 0x39, 0x3c }, { 0x3a, 0xfb }, { 0x3b, 0x07 } +}; + +static struct urtw_pair urtw_8225v2_rf_part3[] = { + { 0x00, 0x98 }, { 0x03, 0x20 }, { 0x04, 0x7e }, { 0x05, 0x12 }, + { 0x06, 0xfc }, { 0x07, 0x78 }, { 0x08, 0x2e }, { 0x09, 0x11 }, + { 0x0a, 0x17 }, { 0x0b, 0x11 }, { 0x10, 0x9b }, { 0x11, 0x88 }, + { 0x12, 0x47 }, { 0x13, 0xd0 }, { 0x19, 0x00 }, { 0x1a, 0xa0 }, + { 0x1b, 0x08 }, { 0x1d, 0x00 }, { 0x40, 0x86 }, { 0x41, 0x9d }, + { 0x42, 0x15 }, { 0x43, 0x18 }, { 0x44, 0x36 }, { 0x45, 0x35 }, + { 0x46, 0x2e }, { 0x47, 0x25 }, { 0x48, 0x1c }, { 0x49, 0x12 }, + { 0x4a, 0x09 }, { 0x4b, 0x04 }, { 0x4c, 0x05 } +}; + +static uint16_t urtw_8225v2_rxgain[] = { + 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0008, 0x0009, + 0x000a, 0x000b, 0x0102, 0x0103, 0x0104, 0x0105, 0x0140, 0x0141, + 0x0142, 0x0143, 0x0144, 0x0145, 0x0180, 0x0181, 0x0182, 0x0183, + 0x0184, 0x0185, 0x0188, 0x0189, 0x018a, 0x018b, 0x0243, 0x0244, + 0x0245, 0x0280, 0x0281, 0x0282, 0x0283, 0x0284, 0x0285, 0x0288, + 0x0289, 0x028a, 0x028b, 0x028c, 0x0342, 0x0343, 0x0344, 0x0345, + 0x0380, 0x0381, 0x0382, 0x0383, 0x0384, 0x0385, 0x0388, 0x0389, + 0x038a, 0x038b, 0x038c, 0x038d, 0x0390, 0x0391, 0x0392, 0x0393, + 0x0394, 0x0395, 0x0398, 0x0399, 0x039a, 0x039b, 0x039c, 0x039d, + 0x03a0, 0x03a1, 0x03a2, 0x03a3, 0x03a4, 0x03a5, 0x03a8, 0x03a9, + 0x03aa, 0x03ab, 0x03ac, 0x03ad, 0x03b0, 0x03b1, 0x03b2, 0x03b3, + 0x03b4, 0x03b5, 0x03b8, 0x03b9, 0x03ba, 0x03bb, 0x03bb +}; + +static uint16_t urtw_8225v2b_rxgain[] = { + 0x0400, 0x0401, 0x0402, 0x0403, 0x0404, 0x0405, 0x0408, 0x0409, + 0x040a, 0x040b, 0x0502, 0x0503, 0x0504, 0x0505, 0x0540, 0x0541, + 0x0542, 0x0543, 0x0544, 0x0545, 0x0580, 0x0581, 0x0582, 0x0583, + 0x0584, 0x0585, 0x0588, 0x0589, 0x058a, 0x058b, 0x0643, 0x0644, + 0x0645, 0x0680, 0x0681, 0x0682, 0x0683, 0x0684, 0x0685, 0x0688, + 0x0689, 0x068a, 0x068b, 0x068c, 0x0742, 0x0743, 0x0744, 0x0745, + 0x0780, 0x0781, 0x0782, 0x0783, 0x0784, 0x0785, 0x0788, 0x0789, + 0x078a, 0x078b, 0x078c, 0x078d, 0x0790, 0x0791, 0x0792, 0x0793, + 0x0794, 0x0795, 0x0798, 0x0799, 0x079a, 0x079b, 0x079c, 0x079d, + 0x07a0, 0x07a1, 0x07a2, 0x07a3, 0x07a4, 0x07a5, 0x07a8, 0x07a9, + 0x03aa, 0x03ab, 0x03ac, 0x03ad, 0x03b0, 0x03b1, 0x03b2, 0x03b3, + 0x03b4, 0x03b5, 0x03b8, 0x03b9, 0x03ba, 0x03bb, 0x03bb +}; + +static uint8_t urtw_8225v2_tx_gain_cck_ofdm[] = { + 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, + 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, + 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, + 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, + 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, + 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, +}; + +static uint8_t urtw_8225v2_txpwr_cck[] = { + 0x36, 0x35, 0x2e, 0x25, 0x1c, 0x12, 0x09, 0x04 +}; + +static uint8_t urtw_8225v2_txpwr_cck_ch14[] = { + 0x36, 0x35, 0x2e, 0x1b, 0x00, 0x00, 0x00, 0x00 +}; + +static uint8_t urtw_8225v2b_txpwr_cck[] = { + 0x36, 0x35, 0x2e, 0x25, 0x1c, 0x12, 0x09, 0x04, + 0x30, 0x2f, 0x29, 0x21, 0x19, 0x10, 0x08, 0x03, + 0x2b, 0x2a, 0x25, 0x1e, 0x16, 0x0e, 0x07, 0x03, + 0x26, 0x25, 0x21, 0x1b, 0x14, 0x0d, 0x06, 0x03 +}; + +static uint8_t urtw_8225v2b_txpwr_cck_ch14[] = { + 0x36, 0x35, 0x2e, 0x1b, 0x00, 0x00, 0x00, 0x00, + 0x30, 0x2f, 0x29, 0x15, 0x00, 0x00, 0x00, 0x00, + 0x30, 0x2f, 0x29, 0x15, 0x00, 0x00, 0x00, 0x00, + 0x30, 0x2f, 0x29, 0x15, 0x00, 0x00, 0x00, 0x00 +}; + +static struct urtw_pair urtw_ratetable[] = { + { 2, 0 }, { 4, 1 }, { 11, 2 }, { 12, 4 }, { 18, 5 }, + { 22, 3 }, { 24, 6 }, { 36, 7 }, { 48, 8 }, { 72, 9 }, + { 96, 10 }, { 108, 11 } +}; + +#if 0 +static const uint8_t urtw_8187b_reg_table[][3] = { + { 0xf0, 0x32, 0 }, { 0xf1, 0x32, 0 }, { 0xf2, 0x00, 0 }, + { 0xf3, 0x00, 0 }, { 0xf4, 0x32, 0 }, { 0xf5, 0x43, 0 }, + { 0xf6, 0x00, 0 }, { 0xf7, 0x00, 0 }, { 0xf8, 0x46, 0 }, + { 0xf9, 0xa4, 0 }, { 0xfa, 0x00, 0 }, { 0xfb, 0x00, 0 }, + { 0xfc, 0x96, 0 }, { 0xfd, 0xa4, 0 }, { 0xfe, 0x00, 0 }, + { 0xff, 0x00, 0 }, { 0x58, 0x4b, 1 }, { 0x59, 0x00, 1 }, + { 0x5a, 0x4b, 1 }, { 0x5b, 0x00, 1 }, { 0x60, 0x4b, 1 }, + { 0x61, 0x09, 1 }, { 0x62, 0x4b, 1 }, { 0x63, 0x09, 1 }, + { 0xce, 0x0f, 1 }, { 0xcf, 0x00, 1 }, { 0xe0, 0xff, 1 }, + { 0xe1, 0x0f, 1 }, { 0xe2, 0x00, 1 }, { 0xf0, 0x4e, 1 }, + { 0xf1, 0x01, 1 }, { 0xf2, 0x02, 1 }, { 0xf3, 0x03, 1 }, + { 0xf4, 0x04, 1 }, { 0xf5, 0x05, 1 }, { 0xf6, 0x06, 1 }, + { 0xf7, 0x07, 1 }, { 0xf8, 0x08, 1 }, { 0x4e, 0x00, 2 }, + { 0x0c, 0x04, 2 }, { 0x21, 0x61, 2 }, { 0x22, 0x68, 2 }, + { 0x23, 0x6f, 2 }, { 0x24, 0x76, 2 }, { 0x25, 0x7d, 2 }, + { 0x26, 0x84, 2 }, { 0x27, 0x8d, 2 }, { 0x4d, 0x08, 2 }, + { 0x50, 0x05, 2 }, { 0x51, 0xf5, 2 }, { 0x52, 0x04, 2 }, + { 0x53, 0xa0, 2 }, { 0x54, 0x1f, 2 }, { 0x55, 0x23, 2 }, + { 0x56, 0x45, 2 }, { 0x57, 0x67, 2 }, { 0x58, 0x08, 2 }, + { 0x59, 0x08, 2 }, { 0x5a, 0x08, 2 }, { 0x5b, 0x08, 2 }, + { 0x60, 0x08, 2 }, { 0x61, 0x08, 2 }, { 0x62, 0x08, 2 }, + { 0x63, 0x08, 2 }, { 0x64, 0xcf, 2 }, { 0x72, 0x56, 2 }, + { 0x73, 0x9a, 2 }, { 0x34, 0xf0, 0 }, { 0x35, 0x0f, 0 }, + { 0x5b, 0x40, 0 }, { 0x84, 0x88, 0 }, { 0x85, 0x24, 0 }, + { 0x88, 0x54, 0 }, { 0x8b, 0xb8, 0 }, { 0x8c, 0x07, 0 }, + { 0x8d, 0x00, 0 }, { 0x94, 0x1b, 0 }, { 0x95, 0x12, 0 }, + { 0x96, 0x00, 0 }, { 0x97, 0x06, 0 }, { 0x9d, 0x1a, 0 }, + { 0x9f, 0x10, 0 }, { 0xb4, 0x22, 0 }, { 0xbe, 0x80, 0 }, + { 0xdb, 0x00, 0 }, { 0xee, 0x00, 0 }, { 0x91, 0x03, 0 }, + { 0x4c, 0x00, 2 }, { 0x9f, 0x00, 3 }, { 0x8c, 0x01, 0 }, + { 0x8d, 0x10, 0 }, { 0x8e, 0x08, 0 }, { 0x8f, 0x00, 0 } +}; +#endif + +static usb_callback_t urtw_bulk_rx_callback; +static usb_callback_t urtw_bulk_tx_callback; +static usb_callback_t urtw_bulk_tx_status_callback; + +static const struct usb_config urtw_8187b_usbconfig[URTW_8187B_N_XFERS] = { + [URTW_8187B_BULK_RX] = { + .type = UE_BULK, + .endpoint = 0x83, + .direction = UE_DIR_IN, + .bufsize = MCLBYTES, + .flags = { + .ext_buffer = 1, + .pipe_bof = 1, + .short_xfer_ok = 1 + }, + .callback = urtw_bulk_rx_callback + }, + [URTW_8187B_BULK_TX_STATUS] = { + .type = UE_BULK, + .endpoint = 0x89, + .direction = UE_DIR_IN, + .bufsize = sizeof(uint64_t), + .flags = { + .pipe_bof = 1, + .short_xfer_ok = 1 + }, + .callback = urtw_bulk_tx_status_callback + }, + [URTW_8187B_BULK_TX_BE] = { + .type = UE_BULK, + .endpoint = URTW_8187B_TXPIPE_BE, + .direction = UE_DIR_OUT, + .bufsize = URTW_TX_MAXSIZE * URTW_TX_DATA_LIST_COUNT, + .flags = { + .force_short_xfer = 1, + .pipe_bof = 1, + }, + .callback = urtw_bulk_tx_callback, + .timeout = URTW_DATA_TIMEOUT + }, + [URTW_8187B_BULK_TX_BK] = { + .type = UE_BULK, + .endpoint = URTW_8187B_TXPIPE_BK, + .direction = UE_DIR_OUT, + .bufsize = URTW_TX_MAXSIZE, + .flags = { + .ext_buffer = 1, + .force_short_xfer = 1, + .pipe_bof = 1, + }, + .callback = urtw_bulk_tx_callback, + .timeout = URTW_DATA_TIMEOUT + }, + [URTW_8187B_BULK_TX_VI] = { + .type = UE_BULK, + .endpoint = URTW_8187B_TXPIPE_VI, + .direction = UE_DIR_OUT, + .bufsize = URTW_TX_MAXSIZE, + .flags = { + .ext_buffer = 1, + .force_short_xfer = 1, + .pipe_bof = 1, + }, + .callback = urtw_bulk_tx_callback, + .timeout = URTW_DATA_TIMEOUT + }, + [URTW_8187B_BULK_TX_VO] = { + .type = UE_BULK, + .endpoint = URTW_8187B_TXPIPE_VO, + .direction = UE_DIR_OUT, + .bufsize = URTW_TX_MAXSIZE, + .flags = { + .ext_buffer = 1, + .force_short_xfer = 1, + .pipe_bof = 1, + }, + .callback = urtw_bulk_tx_callback, + .timeout = URTW_DATA_TIMEOUT + }, + [URTW_8187B_BULK_TX_EP12] = { + .type = UE_BULK, + .endpoint = 0xc, + .direction = UE_DIR_OUT, + .bufsize = URTW_TX_MAXSIZE, + .flags = { + .ext_buffer = 1, + .force_short_xfer = 1, + .pipe_bof = 1, + }, + .callback = urtw_bulk_tx_callback, + .timeout = URTW_DATA_TIMEOUT + } +}; + +static const struct usb_config urtw_8187l_usbconfig[URTW_8187L_N_XFERS] = { + [URTW_8187L_BULK_RX] = { + .type = UE_BULK, + .endpoint = 0x81, + .direction = UE_DIR_IN, + .bufsize = MCLBYTES, + .flags = { + .ext_buffer = 1, + .pipe_bof = 1, + .short_xfer_ok = 1 + }, + .callback = urtw_bulk_rx_callback + }, + [URTW_8187L_BULK_TX_LOW] = { + .type = UE_BULK, + .endpoint = 0x2, + .direction = UE_DIR_OUT, + .bufsize = URTW_TX_MAXSIZE * URTW_TX_DATA_LIST_COUNT, + .flags = { + .force_short_xfer = 1, + .pipe_bof = 1, + }, + .callback = urtw_bulk_tx_callback, + .timeout = URTW_DATA_TIMEOUT + }, + [URTW_8187L_BULK_TX_NORMAL] = { + .type = UE_BULK, + .endpoint = 0x3, + .direction = UE_DIR_OUT, + .bufsize = URTW_TX_MAXSIZE, + .flags = { + .ext_buffer = 1, + .force_short_xfer = 1, + .pipe_bof = 1, + }, + .callback = urtw_bulk_tx_callback, + .timeout = URTW_DATA_TIMEOUT + }, +}; + +static struct ieee80211vap *urtw_vap_create(struct ieee80211com *, + const char [IFNAMSIZ], int, enum ieee80211_opmode, + int, const uint8_t [IEEE80211_ADDR_LEN], + const uint8_t [IEEE80211_ADDR_LEN]); +static void urtw_vap_delete(struct ieee80211vap *); +static void urtw_init(struct urtw_softc *); +static void urtw_stop(struct urtw_softc *); +static void urtw_parent(struct ieee80211com *); +static int urtw_transmit(struct ieee80211com *, struct mbuf *); +static void urtw_start(struct urtw_softc *); +static int urtw_alloc_rx_data_list(struct urtw_softc *); +static int urtw_alloc_tx_data_list(struct urtw_softc *); +static int urtw_raw_xmit(struct ieee80211_node *, struct mbuf *, + const struct ieee80211_bpf_params *); +static void urtw_scan_start(struct ieee80211com *); +static void urtw_scan_end(struct ieee80211com *); +static void urtw_getradiocaps(struct ieee80211com *, int, int *, + struct ieee80211_channel[]); +static void urtw_set_channel(struct ieee80211com *); +static void urtw_update_promisc(struct ieee80211com *); +static void urtw_update_mcast(struct ieee80211com *); +static int urtw_tx_start(struct urtw_softc *, + struct ieee80211_node *, struct mbuf *, + struct urtw_data *, int); +static int urtw_newstate(struct ieee80211vap *, + enum ieee80211_state, int); +static void urtw_led_ch(void *); +static void urtw_ledtask(void *, int); +static void urtw_watchdog(void *); +static void urtw_set_multi(void *); +static int urtw_isbmode(uint16_t); +static uint16_t urtw_rtl2rate(uint32_t); +static usb_error_t urtw_set_rate(struct urtw_softc *); +static usb_error_t urtw_update_msr(struct urtw_softc *); +static usb_error_t urtw_read8_c(struct urtw_softc *, int, uint8_t *); +static usb_error_t urtw_read16_c(struct urtw_softc *, int, uint16_t *); +static usb_error_t urtw_read32_c(struct urtw_softc *, int, uint32_t *); +static usb_error_t urtw_write8_c(struct urtw_softc *, int, uint8_t); +static usb_error_t urtw_write16_c(struct urtw_softc *, int, uint16_t); +static usb_error_t urtw_write32_c(struct urtw_softc *, int, uint32_t); +static usb_error_t urtw_eprom_cs(struct urtw_softc *, int); +static usb_error_t urtw_eprom_ck(struct urtw_softc *); +static usb_error_t urtw_eprom_sendbits(struct urtw_softc *, int16_t *, + int); +static usb_error_t urtw_eprom_read32(struct urtw_softc *, uint32_t, + uint32_t *); +static usb_error_t urtw_eprom_readbit(struct urtw_softc *, int16_t *); +static usb_error_t urtw_eprom_writebit(struct urtw_softc *, int16_t); +static usb_error_t urtw_get_macaddr(struct urtw_softc *); +static usb_error_t urtw_get_txpwr(struct urtw_softc *); +static usb_error_t urtw_get_rfchip(struct urtw_softc *); +static usb_error_t urtw_led_init(struct urtw_softc *); +static usb_error_t urtw_8185_rf_pins_enable(struct urtw_softc *); +static usb_error_t urtw_8185_tx_antenna(struct urtw_softc *, uint8_t); +static usb_error_t urtw_8187_write_phy(struct urtw_softc *, uint8_t, + uint32_t); +static usb_error_t urtw_8187_write_phy_ofdm_c(struct urtw_softc *, + uint8_t, uint32_t); +static usb_error_t urtw_8187_write_phy_cck_c(struct urtw_softc *, uint8_t, + uint32_t); +static usb_error_t urtw_8225_setgain(struct urtw_softc *, int16_t); +static usb_error_t urtw_8225_usb_init(struct urtw_softc *); +static usb_error_t urtw_8225_write_c(struct urtw_softc *, uint8_t, + uint16_t); +static usb_error_t urtw_8225_write_s16(struct urtw_softc *, uint8_t, int, + uint16_t *); +static usb_error_t urtw_8225_read(struct urtw_softc *, uint8_t, + uint32_t *); +static usb_error_t urtw_8225_rf_init(struct urtw_softc *); +static usb_error_t urtw_8225_rf_set_chan(struct urtw_softc *, int); +static usb_error_t urtw_8225_rf_set_sens(struct urtw_softc *, int); +static usb_error_t urtw_8225_set_txpwrlvl(struct urtw_softc *, int); +static usb_error_t urtw_8225_rf_stop(struct urtw_softc *); +static usb_error_t urtw_8225v2_rf_init(struct urtw_softc *); +static usb_error_t urtw_8225v2_rf_set_chan(struct urtw_softc *, int); +static usb_error_t urtw_8225v2_set_txpwrlvl(struct urtw_softc *, int); +static usb_error_t urtw_8225v2_setgain(struct urtw_softc *, int16_t); +static usb_error_t urtw_8225_isv2(struct urtw_softc *, int *); +static usb_error_t urtw_8225v2b_rf_init(struct urtw_softc *); +static usb_error_t urtw_8225v2b_rf_set_chan(struct urtw_softc *, int); +static usb_error_t urtw_read8e(struct urtw_softc *, int, uint8_t *); +static usb_error_t urtw_write8e(struct urtw_softc *, int, uint8_t); +static usb_error_t urtw_8180_set_anaparam(struct urtw_softc *, uint32_t); +static usb_error_t urtw_8185_set_anaparam2(struct urtw_softc *, uint32_t); +static usb_error_t urtw_intr_enable(struct urtw_softc *); +static usb_error_t urtw_intr_disable(struct urtw_softc *); +static usb_error_t urtw_reset(struct urtw_softc *); +static usb_error_t urtw_led_on(struct urtw_softc *, int); +static usb_error_t urtw_led_ctl(struct urtw_softc *, int); +static usb_error_t urtw_led_blink(struct urtw_softc *); +static usb_error_t urtw_led_mode0(struct urtw_softc *, int); +static usb_error_t urtw_led_mode1(struct urtw_softc *, int); +static usb_error_t urtw_led_mode2(struct urtw_softc *, int); +static usb_error_t urtw_led_mode3(struct urtw_softc *, int); +static usb_error_t urtw_rx_setconf(struct urtw_softc *); +static usb_error_t urtw_rx_enable(struct urtw_softc *); +static usb_error_t urtw_tx_enable(struct urtw_softc *sc); +static void urtw_free_tx_data_list(struct urtw_softc *); +static void urtw_free_rx_data_list(struct urtw_softc *); +static void urtw_free_data_list(struct urtw_softc *, + struct urtw_data data[], int, int); +static usb_error_t urtw_set_macaddr(struct urtw_softc *, const uint8_t *); +static usb_error_t urtw_adapter_start(struct urtw_softc *); +static usb_error_t urtw_adapter_start_b(struct urtw_softc *); +static usb_error_t urtw_set_mode(struct urtw_softc *, uint32_t); +static usb_error_t urtw_8187b_cmd_reset(struct urtw_softc *); +static usb_error_t urtw_do_request(struct urtw_softc *, + struct usb_device_request *, void *); +static usb_error_t urtw_8225v2b_set_txpwrlvl(struct urtw_softc *, int); +static usb_error_t urtw_led_off(struct urtw_softc *, int); +static void urtw_abort_xfers(struct urtw_softc *); +static struct urtw_data * + urtw_getbuf(struct urtw_softc *sc); +static int urtw_compute_txtime(uint16_t, uint16_t, uint8_t, + uint8_t); +static void urtw_updateslot(struct ieee80211com *); +static void urtw_updateslottask(void *, int); +static void urtw_sysctl_node(struct urtw_softc *); + +static int +urtw_match(device_t dev) +{ + struct usb_attach_arg *uaa = device_get_ivars(dev); + + if (uaa->usb_mode != USB_MODE_HOST) + return (ENXIO); + if (uaa->info.bConfigIndex != URTW_CONFIG_INDEX) + return (ENXIO); + if (uaa->info.bIfaceIndex != URTW_IFACE_INDEX) + return (ENXIO); + + return (usbd_lookup_id_by_uaa(urtw_devs, sizeof(urtw_devs), uaa)); +} + +static int +urtw_attach(device_t dev) +{ + const struct usb_config *setup_start; + int ret = ENXIO; + struct urtw_softc *sc = device_get_softc(dev); + struct usb_attach_arg *uaa = device_get_ivars(dev); + struct ieee80211com *ic = &sc->sc_ic; + uint8_t iface_index = URTW_IFACE_INDEX; /* XXX */ + uint16_t n_setup; + uint32_t data; + usb_error_t error; + + device_set_usb_desc(dev); + + sc->sc_dev = dev; + sc->sc_udev = uaa->device; + if (USB_GET_DRIVER_INFO(uaa) == URTW_REV_RTL8187B) + sc->sc_flags |= URTW_RTL8187B; +#ifdef URTW_DEBUG + sc->sc_debug = urtw_debug; +#endif + + mtx_init(&sc->sc_mtx, device_get_nameunit(sc->sc_dev), MTX_NETWORK_LOCK, + MTX_DEF); + usb_callout_init_mtx(&sc->sc_led_ch, &sc->sc_mtx, 0); + TASK_INIT(&sc->sc_led_task, 0, urtw_ledtask, sc); + TASK_INIT(&sc->sc_updateslot_task, 0, urtw_updateslottask, sc); + callout_init(&sc->sc_watchdog_ch, 0); + mbufq_init(&sc->sc_snd, ifqmaxlen); + + if (sc->sc_flags & URTW_RTL8187B) { + setup_start = urtw_8187b_usbconfig; + n_setup = URTW_8187B_N_XFERS; + } else { + setup_start = urtw_8187l_usbconfig; + n_setup = URTW_8187L_N_XFERS; + } + + error = usbd_transfer_setup(uaa->device, &iface_index, sc->sc_xfer, + setup_start, n_setup, sc, &sc->sc_mtx); + if (error) { + device_printf(dev, "could not allocate USB transfers, " + "err=%s\n", usbd_errstr(error)); + ret = ENXIO; + goto fail0; + } + + if (sc->sc_flags & URTW_RTL8187B) { + sc->sc_tx_dma_buf = + usbd_xfer_get_frame_buffer(sc->sc_xfer[ + URTW_8187B_BULK_TX_BE], 0); + } else { + sc->sc_tx_dma_buf = + usbd_xfer_get_frame_buffer(sc->sc_xfer[ + URTW_8187L_BULK_TX_LOW], 0); + } + + URTW_LOCK(sc); + + urtw_read32_m(sc, URTW_RX, &data); + sc->sc_epromtype = (data & URTW_RX_9356SEL) ? URTW_EEPROM_93C56 : + URTW_EEPROM_93C46; + + error = urtw_get_rfchip(sc); + if (error != 0) + goto fail; + error = urtw_get_macaddr(sc); + if (error != 0) + goto fail; + error = urtw_get_txpwr(sc); + if (error != 0) + goto fail; + error = urtw_led_init(sc); + if (error != 0) + goto fail; + + URTW_UNLOCK(sc); + + sc->sc_rts_retry = URTW_DEFAULT_RTS_RETRY; + sc->sc_tx_retry = URTW_DEFAULT_TX_RETRY; + sc->sc_currate = URTW_RIDX_CCK11; + sc->sc_preamble_mode = urtw_preamble_mode; + + ic->ic_softc = sc; + ic->ic_name = device_get_nameunit(dev); + ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ + ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */ + + /* set device capabilities */ + ic->ic_caps = + IEEE80211_C_STA | /* station mode */ + IEEE80211_C_MONITOR | /* monitor mode supported */ + IEEE80211_C_TXPMGT | /* tx power management */ + IEEE80211_C_SHPREAMBLE | /* short preamble supported */ + IEEE80211_C_SHSLOT | /* short slot time supported */ + IEEE80211_C_BGSCAN | /* capable of bg scanning */ + IEEE80211_C_WPA; /* 802.11i */ + + /* XXX TODO: setup regdomain if URTW_EPROM_CHANPLAN_BY_HW bit is set.*/ + + ic->ic_flags_ext |= IEEE80211_FEXT_SEQNO_OFFLOAD; + + urtw_getradiocaps(ic, IEEE80211_CHAN_MAX, &ic->ic_nchans, + ic->ic_channels); + + ieee80211_ifattach(ic); + ic->ic_raw_xmit = urtw_raw_xmit; + ic->ic_scan_start = urtw_scan_start; + ic->ic_scan_end = urtw_scan_end; + ic->ic_getradiocaps = urtw_getradiocaps; + ic->ic_set_channel = urtw_set_channel; + ic->ic_updateslot = urtw_updateslot; + ic->ic_vap_create = urtw_vap_create; + ic->ic_vap_delete = urtw_vap_delete; + ic->ic_update_promisc = urtw_update_promisc; + ic->ic_update_mcast = urtw_update_mcast; + ic->ic_parent = urtw_parent; + ic->ic_transmit = urtw_transmit; + + ieee80211_radiotap_attach(ic, + &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap), + URTW_TX_RADIOTAP_PRESENT, + &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), + URTW_RX_RADIOTAP_PRESENT); + + urtw_sysctl_node(sc); + + if (bootverbose) + ieee80211_announce(ic); + return (0); + +fail: + URTW_UNLOCK(sc); + usbd_transfer_unsetup(sc->sc_xfer, (sc->sc_flags & URTW_RTL8187B) ? + URTW_8187B_N_XFERS : URTW_8187L_N_XFERS); +fail0: + return (ret); +} + +static int +urtw_detach(device_t dev) +{ + struct urtw_softc *sc = device_get_softc(dev); + struct ieee80211com *ic = &sc->sc_ic; + unsigned x; + unsigned n_xfers; + + /* Prevent further ioctls */ + URTW_LOCK(sc); + sc->sc_flags |= URTW_DETACHED; + urtw_stop(sc); + URTW_UNLOCK(sc); + + ieee80211_draintask(ic, &sc->sc_updateslot_task); + ieee80211_draintask(ic, &sc->sc_led_task); + + usb_callout_drain(&sc->sc_led_ch); + callout_drain(&sc->sc_watchdog_ch); + + n_xfers = (sc->sc_flags & URTW_RTL8187B) ? + URTW_8187B_N_XFERS : URTW_8187L_N_XFERS; + + /* prevent further allocations from RX/TX data lists */ + URTW_LOCK(sc); + STAILQ_INIT(&sc->sc_tx_active); + STAILQ_INIT(&sc->sc_tx_inactive); + STAILQ_INIT(&sc->sc_tx_pending); + + STAILQ_INIT(&sc->sc_rx_active); + STAILQ_INIT(&sc->sc_rx_inactive); + URTW_UNLOCK(sc); + + /* drain USB transfers */ + for (x = 0; x != n_xfers; x++) + usbd_transfer_drain(sc->sc_xfer[x]); + + /* free data buffers */ + URTW_LOCK(sc); + urtw_free_tx_data_list(sc); + urtw_free_rx_data_list(sc); + URTW_UNLOCK(sc); + + /* free USB transfers and some data buffers */ + usbd_transfer_unsetup(sc->sc_xfer, n_xfers); + + ieee80211_ifdetach(ic); + mbufq_drain(&sc->sc_snd); + mtx_destroy(&sc->sc_mtx); + return (0); +} + +static void +urtw_free_tx_data_list(struct urtw_softc *sc) +{ + urtw_free_data_list(sc, sc->sc_tx, URTW_TX_DATA_LIST_COUNT, 0); +} + +static void +urtw_free_rx_data_list(struct urtw_softc *sc) +{ + urtw_free_data_list(sc, sc->sc_rx, URTW_RX_DATA_LIST_COUNT, 1); +} + +static void +urtw_free_data_list(struct urtw_softc *sc, struct urtw_data data[], int ndata, + int fillmbuf) +{ + int i; + + for (i = 0; i < ndata; i++) { + struct urtw_data *dp = &data[i]; + + if (fillmbuf == 1) { + if (dp->m != NULL) { + m_freem(dp->m); + dp->m = NULL; + dp->buf = NULL; + } + } else { + dp->buf = NULL; + } + if (dp->ni != NULL) { + ieee80211_free_node(dp->ni); + dp->ni = NULL; + } + } +} + +static struct ieee80211vap * +urtw_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, + enum ieee80211_opmode opmode, int flags, + const uint8_t bssid[IEEE80211_ADDR_LEN], + const uint8_t mac[IEEE80211_ADDR_LEN]) +{ + struct urtw_vap *uvp; + struct ieee80211vap *vap; + + if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ + return (NULL); + uvp = malloc(sizeof(struct urtw_vap), M_80211_VAP, M_WAITOK | M_ZERO); + vap = &uvp->vap; + /* enable s/w bmiss handling for sta mode */ + + if (ieee80211_vap_setup(ic, vap, name, unit, opmode, + flags | IEEE80211_CLONE_NOBEACONS, bssid) != 0) { + /* out of memory */ + free(uvp, M_80211_VAP); + return (NULL); + } + + /* override state transition machine */ + uvp->newstate = vap->iv_newstate; + vap->iv_newstate = urtw_newstate; + + /* complete setup */ + ieee80211_vap_attach(vap, ieee80211_media_change, + ieee80211_media_status, mac); + ic->ic_opmode = opmode; + return (vap); +} + +static void +urtw_vap_delete(struct ieee80211vap *vap) +{ + struct urtw_vap *uvp = URTW_VAP(vap); + + ieee80211_vap_detach(vap); + free(uvp, M_80211_VAP); +} + +static void +urtw_init(struct urtw_softc *sc) +{ + usb_error_t error; + int ret; + + URTW_ASSERT_LOCKED(sc); + + if (sc->sc_flags & URTW_RUNNING) + urtw_stop(sc); + + error = (sc->sc_flags & URTW_RTL8187B) ? urtw_adapter_start_b(sc) : + urtw_adapter_start(sc); + if (error != 0) + goto fail; + + /* reset softc variables */ + sc->sc_txtimer = 0; + + if (!(sc->sc_flags & URTW_INIT_ONCE)) { + ret = urtw_alloc_rx_data_list(sc); + if (ret != 0) + goto fail; + ret = urtw_alloc_tx_data_list(sc); + if (ret != 0) + goto fail; + sc->sc_flags |= URTW_INIT_ONCE; + } + + error = urtw_rx_enable(sc); + if (error != 0) + goto fail; + error = urtw_tx_enable(sc); + if (error != 0) + goto fail; + + if (sc->sc_flags & URTW_RTL8187B) + usbd_transfer_start(sc->sc_xfer[URTW_8187B_BULK_TX_STATUS]); + + sc->sc_flags |= URTW_RUNNING; + + callout_reset(&sc->sc_watchdog_ch, hz, urtw_watchdog, sc); +fail: + return; +} + +static usb_error_t +urtw_adapter_start_b(struct urtw_softc *sc) +{ + uint8_t data8; + usb_error_t error; + + error = urtw_set_mode(sc, URTW_EPROM_CMD_CONFIG); + if (error) + goto fail; + + urtw_read8_m(sc, URTW_CONFIG3, &data8); + urtw_write8_m(sc, URTW_CONFIG3, + data8 | URTW_CONFIG3_ANAPARAM_WRITE | URTW_CONFIG3_GNT_SELECT); + urtw_write32_m(sc, URTW_ANAPARAM2, URTW_8187B_8225_ANAPARAM2_ON); + urtw_write32_m(sc, URTW_ANAPARAM, URTW_8187B_8225_ANAPARAM_ON); + urtw_write8_m(sc, URTW_ANAPARAM3, URTW_8187B_8225_ANAPARAM3_ON); + + urtw_write8_m(sc, 0x61, 0x10); + urtw_read8_m(sc, 0x62, &data8); + urtw_write8_m(sc, 0x62, data8 & ~(1 << 5)); + urtw_write8_m(sc, 0x62, data8 | (1 << 5)); + + urtw_read8_m(sc, URTW_CONFIG3, &data8); + data8 &= ~URTW_CONFIG3_ANAPARAM_WRITE; + urtw_write8_m(sc, URTW_CONFIG3, data8); + + error = urtw_set_mode(sc, URTW_EPROM_CMD_NORMAL); + if (error) + goto fail; + + error = urtw_8187b_cmd_reset(sc); + if (error) + goto fail; + + error = sc->sc_rf_init(sc); + if (error != 0) + goto fail; + urtw_write8_m(sc, URTW_CMD, URTW_CMD_RX_ENABLE | URTW_CMD_TX_ENABLE); + + /* fix RTL8187B RX stall */ + error = urtw_intr_enable(sc); + if (error) + goto fail; + + error = urtw_write8e(sc, 0x41, 0xf4); + if (error) + goto fail; + error = urtw_write8e(sc, 0x40, 0x00); + if (error) + goto fail; + error = urtw_write8e(sc, 0x42, 0x00); + if (error) + goto fail; + error = urtw_write8e(sc, 0x42, 0x01); + if (error) + goto fail; + error = urtw_write8e(sc, 0x40, 0x0f); + if (error) + goto fail; + error = urtw_write8e(sc, 0x42, 0x00); + if (error) + goto fail; + error = urtw_write8e(sc, 0x42, 0x01); + if (error) + goto fail; + + urtw_read8_m(sc, 0xdb, &data8); + urtw_write8_m(sc, 0xdb, data8 | (1 << 2)); + urtw_write16_m(sc, 0x372, 0x59fa); + urtw_write16_m(sc, 0x374, 0x59d2); + urtw_write16_m(sc, 0x376, 0x59d2); + urtw_write16_m(sc, 0x378, 0x19fa); + urtw_write16_m(sc, 0x37a, 0x19fa); + urtw_write16_m(sc, 0x37c, 0x00d0); + urtw_write8_m(sc, 0x61, 0); + + urtw_write8_m(sc, 0x180, 0x0f); + urtw_write8_m(sc, 0x183, 0x03); + urtw_write8_m(sc, 0xda, 0x10); + urtw_write8_m(sc, 0x24d, 0x08); + urtw_write32_m(sc, URTW_HSSI_PARA, 0x0600321b); + + urtw_write16_m(sc, 0x1ec, 0x800); /* RX MAX SIZE */ +fail: + return (error); +} + +static usb_error_t +urtw_set_macaddr(struct urtw_softc *sc, const uint8_t *macaddr) +{ + usb_error_t error; + + urtw_write32_m(sc, URTW_MAC0, ((const uint32_t *)macaddr)[0]); + urtw_write16_m(sc, URTW_MAC4, ((const uint32_t *)macaddr)[1] & 0xffff); + +fail: + return (error); +} + +static usb_error_t +urtw_adapter_start(struct urtw_softc *sc) +{ + struct ieee80211com *ic = &sc->sc_ic; + struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); + const uint8_t *macaddr; + usb_error_t error; + + error = urtw_reset(sc); + if (error) + goto fail; + + urtw_write8_m(sc, URTW_ADDR_MAGIC1, 0); + urtw_write8_m(sc, URTW_GPIO, 0); + + /* for led */ + urtw_write8_m(sc, URTW_ADDR_MAGIC1, 4); + error = urtw_led_ctl(sc, URTW_LED_CTL_POWER_ON); + if (error != 0) + goto fail; + + error = urtw_set_mode(sc, URTW_EPROM_CMD_CONFIG); + if (error) + goto fail; + /* applying MAC address again. */ + macaddr = vap ? vap->iv_myaddr : ic->ic_macaddr; + urtw_set_macaddr(sc, macaddr); + if (error) + goto fail; + + error = urtw_set_mode(sc, URTW_EPROM_CMD_NORMAL); + if (error) + goto fail; + + error = urtw_update_msr(sc); + if (error) + goto fail; + + urtw_write32_m(sc, URTW_INT_TIMEOUT, 0); + urtw_write8_m(sc, URTW_WPA_CONFIG, 0); + urtw_write8_m(sc, URTW_RATE_FALLBACK, URTW_RATE_FALLBACK_ENABLE | 0x1); + error = urtw_set_rate(sc); + if (error != 0) + goto fail; + + error = sc->sc_rf_init(sc); + if (error != 0) + goto fail; + if (sc->sc_rf_set_sens != NULL) + sc->sc_rf_set_sens(sc, sc->sc_sens); + + /* XXX correct? to call write16 */ + urtw_write16_m(sc, URTW_PSR, 1); + urtw_write16_m(sc, URTW_ADDR_MAGIC2, 0x10); + urtw_write8_m(sc, URTW_TALLY_SEL, 0x80); + urtw_write8_m(sc, URTW_ADDR_MAGIC3, 0x60); + /* XXX correct? to call write16 */ + urtw_write16_m(sc, URTW_PSR, 0); + urtw_write8_m(sc, URTW_ADDR_MAGIC1, 4); + + error = urtw_intr_enable(sc); + if (error != 0) + goto fail; + +fail: + return (error); +} + +static usb_error_t +urtw_set_mode(struct urtw_softc *sc, uint32_t mode) +{ + uint8_t data; + usb_error_t error; + + urtw_read8_m(sc, URTW_EPROM_CMD, &data); + data = (data & ~URTW_EPROM_CMD_MASK) | (mode << URTW_EPROM_CMD_SHIFT); + data = data & ~(URTW_EPROM_CS | URTW_EPROM_CK); + urtw_write8_m(sc, URTW_EPROM_CMD, data); +fail: + return (error); +} + +static void +urtw_pause_ms(struct urtw_softc *sc, int delay) +{ + usb_pause_mtx(&sc->sc_mtx, USB_MS_TO_TICKS(delay)); +} + +static usb_error_t +urtw_8187b_cmd_reset(struct urtw_softc *sc) +{ + int i; + uint8_t data8; + usb_error_t error; + + /* XXX the code can be duplicate with urtw_reset(). */ + urtw_read8_m(sc, URTW_CMD, &data8); + data8 = (data8 & 0x2) | URTW_CMD_RST; + urtw_write8_m(sc, URTW_CMD, data8); + + for (i = 0; i < 20; i++) { + urtw_pause_ms(sc, 2); + urtw_read8_m(sc, URTW_CMD, &data8); + if (!(data8 & URTW_CMD_RST)) + break; + } + if (i >= 20) { + device_printf(sc->sc_dev, "reset timeout\n"); + goto fail; + } +fail: + return (error); +} + +static usb_error_t +urtw_do_request(struct urtw_softc *sc, + struct usb_device_request *req, void *data) +{ + usb_error_t err; + int ntries = 10; + + URTW_ASSERT_LOCKED(sc); + + while (ntries--) { + err = usbd_do_request_flags(sc->sc_udev, &sc->sc_mtx, + req, data, 0, NULL, 250 /* ms */); + if (err == 0) + break; + + DPRINTF(sc, URTW_DEBUG_INIT, + "Control request failed, %s (retrying)\n", + usbd_errstr(err)); + urtw_pause_ms(sc, 10); + } + return (err); +} + +static void +urtw_stop(struct urtw_softc *sc) +{ + uint8_t data8; + usb_error_t error; + + URTW_ASSERT_LOCKED(sc); + + sc->sc_flags &= ~URTW_RUNNING; + + error = urtw_intr_disable(sc); + if (error) + goto fail; + urtw_read8_m(sc, URTW_CMD, &data8); + data8 &= ~(URTW_CMD_RX_ENABLE | URTW_CMD_TX_ENABLE); + urtw_write8_m(sc, URTW_CMD, data8); + + error = sc->sc_rf_stop(sc); + if (error != 0) + goto fail; + + error = urtw_set_mode(sc, URTW_EPROM_CMD_CONFIG); + if (error) + goto fail; + urtw_read8_m(sc, URTW_CONFIG4, &data8); + urtw_write8_m(sc, URTW_CONFIG4, data8 | URTW_CONFIG4_VCOOFF); + error = urtw_set_mode(sc, URTW_EPROM_CMD_NORMAL); + if (error) + goto fail; +fail: + if (error) + device_printf(sc->sc_dev, "failed to stop (%s)\n", + usbd_errstr(error)); + + usb_callout_stop(&sc->sc_led_ch); + callout_stop(&sc->sc_watchdog_ch); + + urtw_abort_xfers(sc); +} + +static void +urtw_abort_xfers(struct urtw_softc *sc) +{ + int i, max; + + URTW_ASSERT_LOCKED(sc); + + max = (sc->sc_flags & URTW_RTL8187B) ? URTW_8187B_N_XFERS : + URTW_8187L_N_XFERS; + + /* abort any pending transfers */ + for (i = 0; i < max; i++) + usbd_transfer_stop(sc->sc_xfer[i]); +} + +static void +urtw_parent(struct ieee80211com *ic) +{ + struct urtw_softc *sc = ic->ic_softc; + int startall = 0; + + URTW_LOCK(sc); + if (sc->sc_flags & URTW_DETACHED) { + URTW_UNLOCK(sc); + return; + } + + if (ic->ic_nrunning > 0) { + if (sc->sc_flags & URTW_RUNNING) { + if (ic->ic_promisc > 0 || ic->ic_allmulti > 0) + urtw_set_multi(sc); + } else { + urtw_init(sc); + startall = 1; + } + } else if (sc->sc_flags & URTW_RUNNING) + urtw_stop(sc); + URTW_UNLOCK(sc); + if (startall) + ieee80211_start_all(ic); +} + +static int +urtw_transmit(struct ieee80211com *ic, struct mbuf *m) +{ + struct urtw_softc *sc = ic->ic_softc; + int error; + + URTW_LOCK(sc); + if ((sc->sc_flags & URTW_RUNNING) == 0) { + URTW_UNLOCK(sc); + return (ENXIO); + } + error = mbufq_enqueue(&sc->sc_snd, m); + if (error) { + URTW_UNLOCK(sc); + return (error); + } + urtw_start(sc); + URTW_UNLOCK(sc); + + return (0); +} + +static void +urtw_start(struct urtw_softc *sc) +{ + struct urtw_data *bf; + struct ieee80211_node *ni; + struct mbuf *m; + + URTW_ASSERT_LOCKED(sc); + + if ((sc->sc_flags & URTW_RUNNING) == 0) + return; + + while ((m = mbufq_dequeue(&sc->sc_snd)) != NULL) { + bf = urtw_getbuf(sc); + if (bf == NULL) { + mbufq_prepend(&sc->sc_snd, m); + break; + } + + ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; + m->m_pkthdr.rcvif = NULL; + + if (urtw_tx_start(sc, ni, m, bf, URTW_PRIORITY_NORMAL) != 0) { + if_inc_counter(ni->ni_vap->iv_ifp, + IFCOUNTER_OERRORS, 1); + STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, bf, next); + ieee80211_free_node(ni); + break; + } + + sc->sc_txtimer = 5; + callout_reset(&sc->sc_watchdog_ch, hz, urtw_watchdog, sc); + } +} + +static int +urtw_alloc_data_list(struct urtw_softc *sc, struct urtw_data data[], + int ndata, int maxsz, void *dma_buf) +{ + int i, error; + + for (i = 0; i < ndata; i++) { + struct urtw_data *dp = &data[i]; + + dp->sc = sc; + if (dma_buf == NULL) { + dp->m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); + if (dp->m == NULL) { + device_printf(sc->sc_dev, + "could not allocate rx mbuf\n"); + error = ENOMEM; + goto fail; + } + dp->buf = mtod(dp->m, uint8_t *); + } else { + dp->m = NULL; + dp->buf = ((uint8_t *)dma_buf) + + (i * maxsz); + } + dp->ni = NULL; + } + return (0); + +fail: urtw_free_data_list(sc, data, ndata, 1); + return (error); +} + +static int +urtw_alloc_rx_data_list(struct urtw_softc *sc) +{ + int error, i; + + error = urtw_alloc_data_list(sc, + sc->sc_rx, URTW_RX_DATA_LIST_COUNT, + MCLBYTES, NULL /* mbufs */); + if (error != 0) + return (error); + + STAILQ_INIT(&sc->sc_rx_active); + STAILQ_INIT(&sc->sc_rx_inactive); + + for (i = 0; i < URTW_RX_DATA_LIST_COUNT; i++) + STAILQ_INSERT_HEAD(&sc->sc_rx_inactive, &sc->sc_rx[i], next); + + return (0); +} + +static int +urtw_alloc_tx_data_list(struct urtw_softc *sc) +{ + int error, i; + + error = urtw_alloc_data_list(sc, + sc->sc_tx, URTW_TX_DATA_LIST_COUNT, URTW_TX_MAXSIZE, + sc->sc_tx_dma_buf /* no mbufs */); + if (error != 0) + return (error); + + STAILQ_INIT(&sc->sc_tx_active); + STAILQ_INIT(&sc->sc_tx_inactive); + STAILQ_INIT(&sc->sc_tx_pending); + + for (i = 0; i < URTW_TX_DATA_LIST_COUNT; i++) + STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, &sc->sc_tx[i], + next); + + return (0); +} + +static int +urtw_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, + const struct ieee80211_bpf_params *params) +{ + struct ieee80211com *ic = ni->ni_ic; + struct urtw_softc *sc = ic->ic_softc; + struct urtw_data *bf; + + /* prevent management frames from being sent if we're not ready */ + if (!(sc->sc_flags & URTW_RUNNING)) { + m_freem(m); + return ENETDOWN; + } + URTW_LOCK(sc); + bf = urtw_getbuf(sc); + if (bf == NULL) { + m_freem(m); + URTW_UNLOCK(sc); + return (ENOBUFS); /* XXX */ + } + + if (urtw_tx_start(sc, ni, m, bf, URTW_PRIORITY_LOW) != 0) { + STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, bf, next); + URTW_UNLOCK(sc); + return (EIO); + } + URTW_UNLOCK(sc); + + sc->sc_txtimer = 5; + return (0); +} + +static void +urtw_scan_start(struct ieee80211com *ic) +{ + + /* XXX do nothing? */ +} + +static void +urtw_scan_end(struct ieee80211com *ic) +{ + + /* XXX do nothing? */ +} + +static void +urtw_getradiocaps(struct ieee80211com *ic, + int maxchans, int *nchans, struct ieee80211_channel chans[]) +{ + uint8_t bands[IEEE80211_MODE_BYTES]; + + memset(bands, 0, sizeof(bands)); + setbit(bands, IEEE80211_MODE_11B); + setbit(bands, IEEE80211_MODE_11G); + ieee80211_add_channels_default_2ghz(chans, maxchans, nchans, bands, 0); +} + +static void +urtw_set_channel(struct ieee80211com *ic) +{ + struct urtw_softc *sc = ic->ic_softc; + uint32_t data, orig; + usb_error_t error; + + /* + * if the user set a channel explicitly using ifconfig(8) this function + * can be called earlier than we're expected that in some cases the + * initialization would be failed if setting a channel is called before + * the init have done. + */ + if (!(sc->sc_flags & URTW_RUNNING)) + return; + + if (sc->sc_curchan != NULL && sc->sc_curchan == ic->ic_curchan) + return; + + URTW_LOCK(sc); + + /* + * during changing th channel we need to temporarily be disable + * TX. + */ + urtw_read32_m(sc, URTW_TX_CONF, &orig); + data = orig & ~URTW_TX_LOOPBACK_MASK; + urtw_write32_m(sc, URTW_TX_CONF, data | URTW_TX_LOOPBACK_MAC); + + error = sc->sc_rf_set_chan(sc, ieee80211_chan2ieee(ic, ic->ic_curchan)); + if (error != 0) + goto fail; + urtw_pause_ms(sc, 10); + urtw_write32_m(sc, URTW_TX_CONF, orig); + + urtw_write16_m(sc, URTW_ATIM_WND, 2); + urtw_write16_m(sc, URTW_ATIM_TR_ITV, 100); + urtw_write16_m(sc, URTW_BEACON_INTERVAL, 100); + urtw_write16_m(sc, URTW_BEACON_INTERVAL_TIME, 100); + +fail: + URTW_UNLOCK(sc); + + sc->sc_curchan = ic->ic_curchan; + + if (error != 0) + device_printf(sc->sc_dev, "could not change the channel\n"); +} + +static void +urtw_update_promisc(struct ieee80211com *ic) +{ + struct urtw_softc *sc = ic->ic_softc; + + URTW_LOCK(sc); + if (sc->sc_flags & URTW_RUNNING) + urtw_rx_setconf(sc); + URTW_UNLOCK(sc); +} + +static void +urtw_update_mcast(struct ieee80211com *ic) +{ + + /* XXX do nothing? */ +} + +static int +urtw_tx_start(struct urtw_softc *sc, struct ieee80211_node *ni, struct mbuf *m0, + struct urtw_data *data, int prior) +{ + struct ieee80211_frame *wh = mtod(m0, struct ieee80211_frame *); + struct ieee80211_key *k; + const struct ieee80211_txparam *tp = ni->ni_txparms; + struct ieee80211com *ic = &sc->sc_ic; + struct ieee80211vap *vap = ni->ni_vap; + struct usb_xfer *rtl8187b_pipes[URTW_8187B_TXPIPE_MAX] = { + sc->sc_xfer[URTW_8187B_BULK_TX_BE], + sc->sc_xfer[URTW_8187B_BULK_TX_BK], + sc->sc_xfer[URTW_8187B_BULK_TX_VI], + sc->sc_xfer[URTW_8187B_BULK_TX_VO] + }; + struct usb_xfer *xfer; + int dur = 0, rtsdur = 0, rtsenable = 0, ctsenable = 0, rate, type, + pkttime = 0, txdur = 0, isshort = 0, xferlen, ismcast; + uint16_t acktime, rtstime, ctstime; + uint32_t flags; + usb_error_t error; + + URTW_ASSERT_LOCKED(sc); + + ismcast = IEEE80211_IS_MULTICAST(wh->i_addr1); + type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; + + + /* Assign sequence number */ + ieee80211_output_seqno_assign(ni, -1, m0); + + /* + * Software crypto. + */ + if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) { + k = ieee80211_crypto_encap(ni, m0); + if (k == NULL) { + device_printf(sc->sc_dev, + "ieee80211_crypto_encap returns NULL.\n"); + /* XXX we don't expect the fragmented frames */ + m_freem(m0); + return (ENOBUFS); + } + + /* in case packet header moved, reset pointer */ + wh = mtod(m0, struct ieee80211_frame *); + } + + if (ieee80211_radiotap_active_vap(vap)) { + struct urtw_tx_radiotap_header *tap = &sc->sc_txtap; + + tap->wt_flags = 0; + ieee80211_radiotap_tx(vap, m0); + } + + if (IEEE80211_IS_MGMT(wh) || IEEE80211_IS_CTL(wh) || + (m0->m_flags & M_EAPOL) != 0) { + rate = tp->mgmtrate; + } else { + /* for data frames */ + if (ismcast) + rate = tp->mcastrate; + else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) + rate = tp->ucastrate; + else + rate = urtw_rtl2rate(sc->sc_currate); + } + + sc->sc_stats.txrates[sc->sc_currate]++; + + if (ismcast) + txdur = pkttime = urtw_compute_txtime(m0->m_pkthdr.len + + IEEE80211_CRC_LEN, rate, 0, 0); + else { + acktime = urtw_compute_txtime(14, 2,0, 0); + if ((m0->m_pkthdr.len + 4) > vap->iv_rtsthreshold) { + rtsenable = 1; + ctsenable = 0; + rtstime = urtw_compute_txtime(URTW_ACKCTS_LEN, 2, 0, 0); + ctstime = urtw_compute_txtime(14, 2, 0, 0); + pkttime = urtw_compute_txtime(m0->m_pkthdr.len + + IEEE80211_CRC_LEN, rate, 0, isshort); + rtsdur = ctstime + pkttime + acktime + + 3 * URTW_ASIFS_TIME; + txdur = rtstime + rtsdur; + } else { + rtsenable = ctsenable = rtsdur = 0; + pkttime = urtw_compute_txtime(m0->m_pkthdr.len + + IEEE80211_CRC_LEN, rate, 0, isshort); + txdur = pkttime + URTW_ASIFS_TIME + acktime; + } + + if (wh->i_fc[1] & IEEE80211_FC1_MORE_FRAG) + dur = urtw_compute_txtime(m0->m_pkthdr.len + + IEEE80211_CRC_LEN, rate, 0, isshort) + + 3 * URTW_ASIFS_TIME + + 2 * acktime; + else + dur = URTW_ASIFS_TIME + acktime; + } + USETW(wh->i_dur, dur); + + xferlen = m0->m_pkthdr.len; + xferlen += (sc->sc_flags & URTW_RTL8187B) ? (4 * 8) : (4 * 3); + if ((0 == xferlen % 64) || (0 == xferlen % 512)) + xferlen += 1; + + memset(data->buf, 0, URTW_TX_MAXSIZE); + flags = m0->m_pkthdr.len & 0xfff; + flags |= URTW_TX_FLAG_NO_ENC; + if ((ic->ic_flags & IEEE80211_F_SHPREAMBLE) && + (ni->ni_capinfo & IEEE80211_CAPINFO_SHORT_PREAMBLE) && + (sc->sc_preamble_mode == URTW_PREAMBLE_MODE_SHORT) && + (sc->sc_currate != 0)) + flags |= URTW_TX_FLAG_SPLCP; + if (wh->i_fc[1] & IEEE80211_FC1_MORE_FRAG) + flags |= URTW_TX_FLAG_MOREFRAG; + + flags |= (sc->sc_currate & 0xf) << URTW_TX_FLAG_TXRATE_SHIFT; + + if (sc->sc_flags & URTW_RTL8187B) { + struct urtw_8187b_txhdr *tx; + + tx = (struct urtw_8187b_txhdr *)data->buf; + if (ctsenable) + flags |= URTW_TX_FLAG_CTS; + if (rtsenable) { + flags |= URTW_TX_FLAG_RTS; + flags |= URTW_RIDX_CCK5 << URTW_TX_FLAG_RTSRATE_SHIFT; + tx->rtsdur = rtsdur; + } + tx->flag = htole32(flags); + tx->txdur = txdur; + if (IEEE80211_IS_MGMT_PROBE_RESP(wh)) + tx->retry = 1; + else + tx->retry = URTW_TX_MAXRETRY; + m_copydata(m0, 0, m0->m_pkthdr.len, (uint8_t *)(tx + 1)); + } else { + struct urtw_8187l_txhdr *tx; + + tx = (struct urtw_8187l_txhdr *)data->buf; + if (rtsenable) { + flags |= URTW_TX_FLAG_RTS; + tx->rtsdur = rtsdur; + } + flags |= URTW_RIDX_CCK5 << URTW_TX_FLAG_RTSRATE_SHIFT; + tx->flag = htole32(flags); + tx->retry = 3; /* CW minimum */ + tx->retry |= 7 << 4; /* CW maximum */ + tx->retry |= URTW_TX_MAXRETRY << 8; /* retry limitation */ + m_copydata(m0, 0, m0->m_pkthdr.len, (uint8_t *)(tx + 1)); + } + + data->buflen = xferlen; + data->ni = ni; + data->m = m0; + + if (sc->sc_flags & URTW_RTL8187B) { + switch (type) { + case IEEE80211_FC0_TYPE_CTL: + case IEEE80211_FC0_TYPE_MGT: + xfer = sc->sc_xfer[URTW_8187B_BULK_TX_EP12]; + break; + default: + KASSERT(M_WME_GETAC(m0) < URTW_8187B_TXPIPE_MAX, + ("unsupported WME pipe %d", M_WME_GETAC(m0))); + xfer = rtl8187b_pipes[M_WME_GETAC(m0)]; + break; + } + } else + xfer = (prior == URTW_PRIORITY_LOW) ? + sc->sc_xfer[URTW_8187L_BULK_TX_LOW] : + sc->sc_xfer[URTW_8187L_BULK_TX_NORMAL]; + + STAILQ_INSERT_TAIL(&sc->sc_tx_pending, data, next); + usbd_transfer_start(xfer); + + error = urtw_led_ctl(sc, URTW_LED_CTL_TX); + if (error != 0) + device_printf(sc->sc_dev, "could not control LED (%d)\n", + error); + return (0); +} + +static int +urtw_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) +{ + struct ieee80211com *ic = vap->iv_ic; + struct urtw_softc *sc = ic->ic_softc; + struct urtw_vap *uvp = URTW_VAP(vap); + struct ieee80211_node *ni; + usb_error_t error = 0; + + DPRINTF(sc, URTW_DEBUG_STATE, "%s: %s -> %s\n", __func__, + ieee80211_state_name[vap->iv_state], + ieee80211_state_name[nstate]); + + sc->sc_state = nstate; + + IEEE80211_UNLOCK(ic); + URTW_LOCK(sc); + usb_callout_stop(&sc->sc_led_ch); + callout_stop(&sc->sc_watchdog_ch); + + switch (nstate) { + case IEEE80211_S_INIT: + case IEEE80211_S_SCAN: + case IEEE80211_S_AUTH: + case IEEE80211_S_ASSOC: + break; + case IEEE80211_S_RUN: + ni = ieee80211_ref_node(vap->iv_bss); + /* setting bssid. */ + urtw_write32_m(sc, URTW_BSSID, ((uint32_t *)ni->ni_bssid)[0]); + urtw_write16_m(sc, URTW_BSSID + 4, + ((uint16_t *)ni->ni_bssid)[2]); + urtw_update_msr(sc); + /* XXX maybe the below would be incorrect. */ + urtw_write16_m(sc, URTW_ATIM_WND, 2); + urtw_write16_m(sc, URTW_ATIM_TR_ITV, 100); + urtw_write16_m(sc, URTW_BEACON_INTERVAL, 0x64); + urtw_write16_m(sc, URTW_BEACON_INTERVAL_TIME, 100); + error = urtw_led_ctl(sc, URTW_LED_CTL_LINK); + if (error != 0) + device_printf(sc->sc_dev, + "could not control LED (%d)\n", error); + ieee80211_free_node(ni); + break; + default: + break; + } +fail: + URTW_UNLOCK(sc); + IEEE80211_LOCK(ic); + return (uvp->newstate(vap, nstate, arg)); +} + +static void +urtw_watchdog(void *arg) +{ + struct urtw_softc *sc = arg; + struct ieee80211com *ic = &sc->sc_ic; + + if (sc->sc_txtimer > 0) { + if (--sc->sc_txtimer == 0) { + device_printf(sc->sc_dev, "device timeout\n"); + counter_u64_add(ic->ic_oerrors, 1); + ieee80211_restart_all(ic); + return; + } + callout_reset(&sc->sc_watchdog_ch, hz, urtw_watchdog, sc); + } +} + +static void +urtw_set_multi(void *arg) +{ + /* XXX don't know how to set a device. Lack of docs. */ +} + +static usb_error_t +urtw_set_rate(struct urtw_softc *sc) +{ + int i, basic_rate, min_rr_rate, max_rr_rate; + uint16_t data; + usb_error_t error; + + basic_rate = URTW_RIDX_OFDM24; + min_rr_rate = URTW_RIDX_OFDM6; + max_rr_rate = URTW_RIDX_OFDM24; + + urtw_write8_m(sc, URTW_RESP_RATE, + max_rr_rate << URTW_RESP_MAX_RATE_SHIFT | + min_rr_rate << URTW_RESP_MIN_RATE_SHIFT); + + urtw_read16_m(sc, URTW_BRSR, &data); + data &= ~URTW_BRSR_MBR_8185; + + for (i = 0; i <= basic_rate; i++) + data |= (1 << i); + + urtw_write16_m(sc, URTW_BRSR, data); +fail: + return (error); +} + +static uint16_t +urtw_rtl2rate(uint32_t rate) +{ + unsigned i; + + for (i = 0; i < nitems(urtw_ratetable); i++) { + if (rate == urtw_ratetable[i].val) + return urtw_ratetable[i].reg; + } + + return (0); +} + +static usb_error_t +urtw_update_msr(struct urtw_softc *sc) +{ + struct ieee80211com *ic = &sc->sc_ic; + uint8_t data; + usb_error_t error; + + urtw_read8_m(sc, URTW_MSR, &data); + data &= ~URTW_MSR_LINK_MASK; + + if (sc->sc_state == IEEE80211_S_RUN) { + switch (ic->ic_opmode) { + case IEEE80211_M_STA: + case IEEE80211_M_MONITOR: + data |= URTW_MSR_LINK_STA; + if (sc->sc_flags & URTW_RTL8187B) + data |= URTW_MSR_LINK_ENEDCA; + break; + case IEEE80211_M_IBSS: + data |= URTW_MSR_LINK_ADHOC; + break; + case IEEE80211_M_HOSTAP: + data |= URTW_MSR_LINK_HOSTAP; + break; + default: + DPRINTF(sc, URTW_DEBUG_STATE, + "unsupported operation mode 0x%x\n", + ic->ic_opmode); + error = USB_ERR_INVAL; + goto fail; + } + } else + data |= URTW_MSR_LINK_NONE; + + urtw_write8_m(sc, URTW_MSR, data); +fail: + return (error); +} + +static usb_error_t +urtw_read8_c(struct urtw_softc *sc, int val, uint8_t *data) +{ + struct usb_device_request req; + usb_error_t error; + + URTW_ASSERT_LOCKED(sc); + + req.bmRequestType = UT_READ_VENDOR_DEVICE; + req.bRequest = URTW_8187_GETREGS_REQ; + USETW(req.wValue, (val & 0xff) | 0xff00); + USETW(req.wIndex, (val >> 8) & 0x3); + USETW(req.wLength, sizeof(uint8_t)); + + error = urtw_do_request(sc, &req, data); + return (error); +} + +static usb_error_t +urtw_read16_c(struct urtw_softc *sc, int val, uint16_t *data) +{ + struct usb_device_request req; + usb_error_t error; + + URTW_ASSERT_LOCKED(sc); + + req.bmRequestType = UT_READ_VENDOR_DEVICE; + req.bRequest = URTW_8187_GETREGS_REQ; + USETW(req.wValue, (val & 0xff) | 0xff00); + USETW(req.wIndex, (val >> 8) & 0x3); + USETW(req.wLength, sizeof(uint16_t)); + + error = urtw_do_request(sc, &req, data); + return (error); +} + +static usb_error_t +urtw_read32_c(struct urtw_softc *sc, int val, uint32_t *data) +{ + struct usb_device_request req; + usb_error_t error; + + URTW_ASSERT_LOCKED(sc); + + req.bmRequestType = UT_READ_VENDOR_DEVICE; + req.bRequest = URTW_8187_GETREGS_REQ; + USETW(req.wValue, (val & 0xff) | 0xff00); + USETW(req.wIndex, (val >> 8) & 0x3); + USETW(req.wLength, sizeof(uint32_t)); + + error = urtw_do_request(sc, &req, data); + return (error); +} + +static usb_error_t +urtw_write8_c(struct urtw_softc *sc, int val, uint8_t data) +{ + struct usb_device_request req; + + URTW_ASSERT_LOCKED(sc); + + req.bmRequestType = UT_WRITE_VENDOR_DEVICE; + req.bRequest = URTW_8187_SETREGS_REQ; + USETW(req.wValue, (val & 0xff) | 0xff00); + USETW(req.wIndex, (val >> 8) & 0x3); + USETW(req.wLength, sizeof(uint8_t)); + + return (urtw_do_request(sc, &req, &data)); +} + +static usb_error_t +urtw_write16_c(struct urtw_softc *sc, int val, uint16_t data) +{ + struct usb_device_request req; + + URTW_ASSERT_LOCKED(sc); + + req.bmRequestType = UT_WRITE_VENDOR_DEVICE; + req.bRequest = URTW_8187_SETREGS_REQ; + USETW(req.wValue, (val & 0xff) | 0xff00); + USETW(req.wIndex, (val >> 8) & 0x3); + USETW(req.wLength, sizeof(uint16_t)); + + return (urtw_do_request(sc, &req, &data)); +} + +static usb_error_t +urtw_write32_c(struct urtw_softc *sc, int val, uint32_t data) +{ + struct usb_device_request req; + + URTW_ASSERT_LOCKED(sc); + + req.bmRequestType = UT_WRITE_VENDOR_DEVICE; + req.bRequest = URTW_8187_SETREGS_REQ; + USETW(req.wValue, (val & 0xff) | 0xff00); + USETW(req.wIndex, (val >> 8) & 0x3); + USETW(req.wLength, sizeof(uint32_t)); + + return (urtw_do_request(sc, &req, &data)); +} + +static usb_error_t +urtw_get_macaddr(struct urtw_softc *sc) +{ + struct ieee80211com *ic = &sc->sc_ic; + uint32_t data; + usb_error_t error; + + error = urtw_eprom_read32(sc, URTW_EPROM_MACADDR, &data); + if (error != 0) + goto fail; + ic->ic_macaddr[0] = data & 0xff; + ic->ic_macaddr[1] = (data & 0xff00) >> 8; + error = urtw_eprom_read32(sc, URTW_EPROM_MACADDR + 1, &data); + if (error != 0) + goto fail; + ic->ic_macaddr[2] = data & 0xff; + ic->ic_macaddr[3] = (data & 0xff00) >> 8; + error = urtw_eprom_read32(sc, URTW_EPROM_MACADDR + 2, &data); + if (error != 0) + goto fail; + ic->ic_macaddr[4] = data & 0xff; + ic->ic_macaddr[5] = (data & 0xff00) >> 8; +fail: + return (error); +} + +static usb_error_t +urtw_eprom_read32(struct urtw_softc *sc, uint32_t addr, uint32_t *data) +{ +#define URTW_READCMD_LEN 3 + int addrlen, i; + int16_t addrstr[8], data16, readcmd[] = { 1, 1, 0 }; + usb_error_t error; + + /* NB: make sure the buffer is initialized */ + *data = 0; + + /* enable EPROM programming */ + urtw_write8_m(sc, URTW_EPROM_CMD, URTW_EPROM_CMD_PROGRAM_MODE); + DELAY(URTW_EPROM_DELAY); + + error = urtw_eprom_cs(sc, URTW_EPROM_ENABLE); + if (error != 0) + goto fail; + error = urtw_eprom_ck(sc); + if (error != 0) + goto fail; + error = urtw_eprom_sendbits(sc, readcmd, URTW_READCMD_LEN); + if (error != 0) + goto fail; + if (sc->sc_epromtype == URTW_EEPROM_93C56) { + addrlen = 8; + addrstr[0] = addr & (1 << 7); + addrstr[1] = addr & (1 << 6); + addrstr[2] = addr & (1 << 5); + addrstr[3] = addr & (1 << 4); + addrstr[4] = addr & (1 << 3); + addrstr[5] = addr & (1 << 2); + addrstr[6] = addr & (1 << 1); + addrstr[7] = addr & (1 << 0); + } else { + addrlen=6; + addrstr[0] = addr & (1 << 5); + addrstr[1] = addr & (1 << 4); + addrstr[2] = addr & (1 << 3); + addrstr[3] = addr & (1 << 2); + addrstr[4] = addr & (1 << 1); + addrstr[5] = addr & (1 << 0); + } + error = urtw_eprom_sendbits(sc, addrstr, addrlen); + if (error != 0) + goto fail; + + error = urtw_eprom_writebit(sc, 0); + if (error != 0) + goto fail; + + for (i = 0; i < 16; i++) { + error = urtw_eprom_ck(sc); + if (error != 0) + goto fail; + error = urtw_eprom_readbit(sc, &data16); + if (error != 0) + goto fail; + + (*data) |= (data16 << (15 - i)); + } + + error = urtw_eprom_cs(sc, URTW_EPROM_DISABLE); + if (error != 0) + goto fail; + error = urtw_eprom_ck(sc); + if (error != 0) + goto fail; + + /* now disable EPROM programming */ + urtw_write8_m(sc, URTW_EPROM_CMD, URTW_EPROM_CMD_NORMAL_MODE); +fail: + return (error); +#undef URTW_READCMD_LEN +} + +static usb_error_t +urtw_eprom_cs(struct urtw_softc *sc, int able) +{ + uint8_t data; + usb_error_t error; + + urtw_read8_m(sc, URTW_EPROM_CMD, &data); + if (able == URTW_EPROM_ENABLE) + urtw_write8_m(sc, URTW_EPROM_CMD, data | URTW_EPROM_CS); + else + urtw_write8_m(sc, URTW_EPROM_CMD, data & ~URTW_EPROM_CS); + DELAY(URTW_EPROM_DELAY); +fail: + return (error); +} + +static usb_error_t +urtw_eprom_ck(struct urtw_softc *sc) +{ + uint8_t data; + usb_error_t error; + + /* masking */ + urtw_read8_m(sc, URTW_EPROM_CMD, &data); + urtw_write8_m(sc, URTW_EPROM_CMD, data | URTW_EPROM_CK); + DELAY(URTW_EPROM_DELAY); + /* unmasking */ + urtw_read8_m(sc, URTW_EPROM_CMD, &data); + urtw_write8_m(sc, URTW_EPROM_CMD, data & ~URTW_EPROM_CK); + DELAY(URTW_EPROM_DELAY); +fail: + return (error); +} + +static usb_error_t +urtw_eprom_readbit(struct urtw_softc *sc, int16_t *data) +{ + uint8_t data8; + usb_error_t error; + + urtw_read8_m(sc, URTW_EPROM_CMD, &data8); + *data = (data8 & URTW_EPROM_READBIT) ? 1 : 0; + DELAY(URTW_EPROM_DELAY); + +fail: + return (error); +} + +static usb_error_t +urtw_eprom_writebit(struct urtw_softc *sc, int16_t bit) +{ + uint8_t data; + usb_error_t error; + + urtw_read8_m(sc, URTW_EPROM_CMD, &data); + if (bit != 0) + urtw_write8_m(sc, URTW_EPROM_CMD, data | URTW_EPROM_WRITEBIT); + else + urtw_write8_m(sc, URTW_EPROM_CMD, data & ~URTW_EPROM_WRITEBIT); + DELAY(URTW_EPROM_DELAY); +fail: + return (error); +} + +static usb_error_t +urtw_eprom_sendbits(struct urtw_softc *sc, int16_t *buf, int buflen) +{ + int i = 0; + usb_error_t error = 0; + + for (i = 0; i < buflen; i++) { + error = urtw_eprom_writebit(sc, buf[i]); + if (error != 0) + goto fail; + error = urtw_eprom_ck(sc); + if (error != 0) + goto fail; + } +fail: + return (error); +} + +static usb_error_t +urtw_get_txpwr(struct urtw_softc *sc) +{ + int i, j; + uint32_t data; + usb_error_t error; + + error = urtw_eprom_read32(sc, URTW_EPROM_TXPW_BASE, &data); + if (error != 0) + goto fail; + sc->sc_txpwr_cck_base = data & 0xf; + sc->sc_txpwr_ofdm_base = (data >> 4) & 0xf; + + for (i = 1, j = 0; i < 6; i += 2, j++) { + error = urtw_eprom_read32(sc, URTW_EPROM_TXPW0 + j, &data); + if (error != 0) + goto fail; + sc->sc_txpwr_cck[i] = data & 0xf; + sc->sc_txpwr_cck[i + 1] = (data & 0xf00) >> 8; + sc->sc_txpwr_ofdm[i] = (data & 0xf0) >> 4; + sc->sc_txpwr_ofdm[i + 1] = (data & 0xf000) >> 12; + } + for (i = 1, j = 0; i < 4; i += 2, j++) { + error = urtw_eprom_read32(sc, URTW_EPROM_TXPW1 + j, &data); + if (error != 0) + goto fail; + sc->sc_txpwr_cck[i + 6] = data & 0xf; + sc->sc_txpwr_cck[i + 6 + 1] = (data & 0xf00) >> 8; + sc->sc_txpwr_ofdm[i + 6] = (data & 0xf0) >> 4; + sc->sc_txpwr_ofdm[i + 6 + 1] = (data & 0xf000) >> 12; + } + if (sc->sc_flags & URTW_RTL8187B) { + error = urtw_eprom_read32(sc, URTW_EPROM_TXPW2, &data); + if (error != 0) + goto fail; + sc->sc_txpwr_cck[1 + 6 + 4] = data & 0xf; + sc->sc_txpwr_ofdm[1 + 6 + 4] = (data & 0xf0) >> 4; + error = urtw_eprom_read32(sc, 0x0a, &data); + if (error != 0) + goto fail; + sc->sc_txpwr_cck[2 + 6 + 4] = data & 0xf; + sc->sc_txpwr_ofdm[2 + 6 + 4] = (data & 0xf0) >> 4; + error = urtw_eprom_read32(sc, 0x1c, &data); + if (error != 0) + goto fail; + sc->sc_txpwr_cck[3 + 6 + 4] = data & 0xf; + sc->sc_txpwr_cck[3 + 6 + 4 + 1] = (data & 0xf00) >> 8; + sc->sc_txpwr_ofdm[3 + 6 + 4] = (data & 0xf0) >> 4; + sc->sc_txpwr_ofdm[3 + 6 + 4 + 1] = (data & 0xf000) >> 12; + } else { + for (i = 1, j = 0; i < 4; i += 2, j++) { + error = urtw_eprom_read32(sc, URTW_EPROM_TXPW2 + j, + &data); + if (error != 0) + goto fail; + sc->sc_txpwr_cck[i + 6 + 4] = data & 0xf; + sc->sc_txpwr_cck[i + 6 + 4 + 1] = (data & 0xf00) >> 8; + sc->sc_txpwr_ofdm[i + 6 + 4] = (data & 0xf0) >> 4; + sc->sc_txpwr_ofdm[i + 6 + 4 + 1] = (data & 0xf000) >> 12; + } + } +fail: + return (error); +} + +static usb_error_t +urtw_get_rfchip(struct urtw_softc *sc) +{ + int ret; + uint8_t data8; + uint32_t data; + usb_error_t error; + + if (sc->sc_flags & URTW_RTL8187B) { + urtw_read8_m(sc, 0xe1, &data8); + switch (data8) { + case 0: + sc->sc_flags |= URTW_RTL8187B_REV_B; + break; + case 1: + sc->sc_flags |= URTW_RTL8187B_REV_D; + break; + case 2: + sc->sc_flags |= URTW_RTL8187B_REV_E; + break; + default: + device_printf(sc->sc_dev, "unknown type: %#x\n", data8); + sc->sc_flags |= URTW_RTL8187B_REV_B; + break; + } + } else { + urtw_read32_m(sc, URTW_TX_CONF, &data); + switch (data & URTW_TX_HWMASK) { + case URTW_TX_R8187vD_B: + sc->sc_flags |= URTW_RTL8187B; + break; + case URTW_TX_R8187vD: + break; + default: + device_printf(sc->sc_dev, "unknown RTL8187L type: %#x\n", + data & URTW_TX_HWMASK); + break; + } + } + + error = urtw_eprom_read32(sc, URTW_EPROM_RFCHIPID, &data); + if (error != 0) + goto fail; + switch (data & 0xff) { + case URTW_EPROM_RFCHIPID_RTL8225U: + error = urtw_8225_isv2(sc, &ret); + if (error != 0) + goto fail; + if (ret == 0) { + sc->sc_rf_init = urtw_8225_rf_init; + sc->sc_rf_set_sens = urtw_8225_rf_set_sens; + sc->sc_rf_set_chan = urtw_8225_rf_set_chan; + sc->sc_rf_stop = urtw_8225_rf_stop; + } else { + sc->sc_rf_init = urtw_8225v2_rf_init; + sc->sc_rf_set_chan = urtw_8225v2_rf_set_chan; + sc->sc_rf_stop = urtw_8225_rf_stop; + } + sc->sc_max_sens = URTW_8225_RF_MAX_SENS; + sc->sc_sens = URTW_8225_RF_DEF_SENS; + break; + case URTW_EPROM_RFCHIPID_RTL8225Z2: + sc->sc_rf_init = urtw_8225v2b_rf_init; + sc->sc_rf_set_chan = urtw_8225v2b_rf_set_chan; + sc->sc_max_sens = URTW_8225_RF_MAX_SENS; + sc->sc_sens = URTW_8225_RF_DEF_SENS; + sc->sc_rf_stop = urtw_8225_rf_stop; + break; + default: + DPRINTF(sc, URTW_DEBUG_STATE, + "unsupported RF chip %d\n", data & 0xff); + error = USB_ERR_INVAL; + goto fail; + } + + device_printf(sc->sc_dev, "%s rf %s hwrev %s\n", + (sc->sc_flags & URTW_RTL8187B) ? "rtl8187b" : "rtl8187l", + ((data & 0xff) == URTW_EPROM_RFCHIPID_RTL8225U) ? "rtl8225u" : + "rtl8225z2", + (sc->sc_flags & URTW_RTL8187B) ? ((data8 == 0) ? "b" : + (data8 == 1) ? "d" : "e") : "none"); + +fail: + return (error); +} + +static usb_error_t +urtw_led_init(struct urtw_softc *sc) +{ + uint32_t rev; + usb_error_t error; + + urtw_read8_m(sc, URTW_PSR, &sc->sc_psr); + error = urtw_eprom_read32(sc, URTW_EPROM_SWREV, &rev); + if (error != 0) + goto fail; + + switch (rev & URTW_EPROM_CID_MASK) { + case URTW_EPROM_CID_ALPHA0: + sc->sc_strategy = URTW_SW_LED_MODE1; + break; + case URTW_EPROM_CID_SERCOMM_PS: + sc->sc_strategy = URTW_SW_LED_MODE3; + break; + case URTW_EPROM_CID_HW_LED: + sc->sc_strategy = URTW_HW_LED; + break; + case URTW_EPROM_CID_RSVD0: + case URTW_EPROM_CID_RSVD1: + default: + sc->sc_strategy = URTW_SW_LED_MODE0; + break; + } + + sc->sc_gpio_ledpin = URTW_LED_PIN_GPIO0; + +fail: + return (error); +} + +static usb_error_t +urtw_8225_rf_init(struct urtw_softc *sc) +{ + unsigned i; + uint16_t data; + usb_error_t error; + + error = urtw_8180_set_anaparam(sc, URTW_8225_ANAPARAM_ON); + if (error) + goto fail; + + error = urtw_8225_usb_init(sc); + if (error) + goto fail; + + urtw_write32_m(sc, URTW_RF_TIMING, 0x000a8008); + urtw_read16_m(sc, URTW_BRSR, &data); /* XXX ??? */ + urtw_write16_m(sc, URTW_BRSR, 0xffff); + urtw_write32_m(sc, URTW_RF_PARA, 0x100044); + + error = urtw_set_mode(sc, URTW_EPROM_CMD_CONFIG); + if (error) + goto fail; + urtw_write8_m(sc, URTW_CONFIG3, 0x44); + error = urtw_set_mode(sc, URTW_EPROM_CMD_NORMAL); + if (error) + goto fail; + + error = urtw_8185_rf_pins_enable(sc); + if (error) + goto fail; + urtw_pause_ms(sc, 1000); + + for (i = 0; i < nitems(urtw_8225_rf_part1); i++) { + urtw_8225_write(sc, urtw_8225_rf_part1[i].reg, + urtw_8225_rf_part1[i].val); + urtw_pause_ms(sc, 1); + } + urtw_pause_ms(sc, 100); + urtw_8225_write(sc, + URTW_8225_ADDR_2_MAGIC, URTW_8225_ADDR_2_DATA_MAGIC1); + urtw_pause_ms(sc, 200); + urtw_8225_write(sc, + URTW_8225_ADDR_2_MAGIC, URTW_8225_ADDR_2_DATA_MAGIC2); + urtw_pause_ms(sc, 200); + urtw_8225_write(sc, + URTW_8225_ADDR_0_MAGIC, URTW_8225_ADDR_0_DATA_MAGIC3); + + for (i = 0; i < 95; i++) { + urtw_8225_write(sc, URTW_8225_ADDR_1_MAGIC, (uint8_t)(i + 1)); + urtw_8225_write(sc, URTW_8225_ADDR_2_MAGIC, urtw_8225_rxgain[i]); + } + + urtw_8225_write(sc, + URTW_8225_ADDR_0_MAGIC, URTW_8225_ADDR_0_DATA_MAGIC4); + urtw_8225_write(sc, + URTW_8225_ADDR_0_MAGIC, URTW_8225_ADDR_0_DATA_MAGIC5); + + for (i = 0; i < 128; i++) { + urtw_8187_write_phy_ofdm(sc, 0xb, urtw_8225_agc[i]); + urtw_pause_ms(sc, 1); + urtw_8187_write_phy_ofdm(sc, 0xa, (uint8_t)i + 0x80); + urtw_pause_ms(sc, 1); + } + + for (i = 0; i < nitems(urtw_8225_rf_part2); i++) { + urtw_8187_write_phy_ofdm(sc, urtw_8225_rf_part2[i].reg, + urtw_8225_rf_part2[i].val); + urtw_pause_ms(sc, 1); + } + + error = urtw_8225_setgain(sc, 4); + if (error) + goto fail; + + for (i = 0; i < nitems(urtw_8225_rf_part3); i++) { + urtw_8187_write_phy_cck(sc, urtw_8225_rf_part3[i].reg, + urtw_8225_rf_part3[i].val); + urtw_pause_ms(sc, 1); + } + + urtw_write8_m(sc, URTW_TESTR, 0x0d); + + error = urtw_8225_set_txpwrlvl(sc, 1); + if (error) + goto fail; + + urtw_8187_write_phy_cck(sc, 0x10, 0x9b); + urtw_pause_ms(sc, 1); + urtw_8187_write_phy_ofdm(sc, 0x26, 0x90); + urtw_pause_ms(sc, 1); + + /* TX ant A, 0x0 for B */ + error = urtw_8185_tx_antenna(sc, 0x3); + if (error) + goto fail; + urtw_write32_m(sc, URTW_HSSI_PARA, 0x3dc00002); + + error = urtw_8225_rf_set_chan(sc, 1); +fail: + return (error); +} + +static usb_error_t +urtw_8185_rf_pins_enable(struct urtw_softc *sc) +{ + usb_error_t error = 0; + + urtw_write16_m(sc, URTW_RF_PINS_ENABLE, 0x1ff7); +fail: + return (error); +} + +static usb_error_t +urtw_8185_tx_antenna(struct urtw_softc *sc, uint8_t ant) +{ + usb_error_t error; + + urtw_write8_m(sc, URTW_TX_ANTENNA, ant); + urtw_pause_ms(sc, 1); +fail: + return (error); +} + +static usb_error_t +urtw_8187_write_phy_ofdm_c(struct urtw_softc *sc, uint8_t addr, uint32_t data) +{ + + data = data & 0xff; + return urtw_8187_write_phy(sc, addr, data); +} + +static usb_error_t +urtw_8187_write_phy_cck_c(struct urtw_softc *sc, uint8_t addr, uint32_t data) +{ + + data = data & 0xff; + return urtw_8187_write_phy(sc, addr, data | 0x10000); +} + +static usb_error_t +urtw_8187_write_phy(struct urtw_softc *sc, uint8_t addr, uint32_t data) +{ + uint32_t phyw; + usb_error_t error; + + phyw = ((data << 8) | (addr | 0x80)); + urtw_write8_m(sc, URTW_PHY_MAGIC4, ((phyw & 0xff000000) >> 24)); + urtw_write8_m(sc, URTW_PHY_MAGIC3, ((phyw & 0x00ff0000) >> 16)); + urtw_write8_m(sc, URTW_PHY_MAGIC2, ((phyw & 0x0000ff00) >> 8)); + urtw_write8_m(sc, URTW_PHY_MAGIC1, ((phyw & 0x000000ff))); + urtw_pause_ms(sc, 1); +fail: + return (error); +} + +static usb_error_t +urtw_8225_setgain(struct urtw_softc *sc, int16_t gain) +{ + usb_error_t error; + + urtw_8187_write_phy_ofdm(sc, 0x0d, urtw_8225_gain[gain * 4]); + urtw_8187_write_phy_ofdm(sc, 0x1b, urtw_8225_gain[gain * 4 + 2]); + urtw_8187_write_phy_ofdm(sc, 0x1d, urtw_8225_gain[gain * 4 + 3]); + urtw_8187_write_phy_ofdm(sc, 0x23, urtw_8225_gain[gain * 4 + 1]); +fail: + return (error); +} + +static usb_error_t +urtw_8225_usb_init(struct urtw_softc *sc) +{ + uint8_t data; + usb_error_t error; + + urtw_write8_m(sc, URTW_RF_PINS_SELECT + 1, 0); + urtw_write8_m(sc, URTW_GPIO, 0); + error = urtw_read8e(sc, 0x53, &data); + if (error) + goto fail; + error = urtw_write8e(sc, 0x53, data | (1 << 7)); + if (error) + goto fail; + urtw_write8_m(sc, URTW_RF_PINS_SELECT + 1, 4); + urtw_write8_m(sc, URTW_GPIO, 0x20); + urtw_write8_m(sc, URTW_GP_ENABLE, 0); + + urtw_write16_m(sc, URTW_RF_PINS_OUTPUT, 0x80); + urtw_write16_m(sc, URTW_RF_PINS_SELECT, 0x80); + urtw_write16_m(sc, URTW_RF_PINS_ENABLE, 0x80); + + urtw_pause_ms(sc, 500); +fail: + return (error); +} + +static usb_error_t +urtw_8225_write_c(struct urtw_softc *sc, uint8_t addr, uint16_t data) +{ + uint16_t d80, d82, d84; + usb_error_t error; + + urtw_read16_m(sc, URTW_RF_PINS_OUTPUT, &d80); + d80 &= URTW_RF_PINS_MAGIC1; + urtw_read16_m(sc, URTW_RF_PINS_ENABLE, &d82); + urtw_read16_m(sc, URTW_RF_PINS_SELECT, &d84); + d84 &= URTW_RF_PINS_MAGIC2; + urtw_write16_m(sc, URTW_RF_PINS_ENABLE, d82 | URTW_RF_PINS_MAGIC3); + urtw_write16_m(sc, URTW_RF_PINS_SELECT, d84 | URTW_RF_PINS_MAGIC3); + DELAY(10); + + urtw_write16_m(sc, URTW_RF_PINS_OUTPUT, d80 | URTW_BB_HOST_BANG_EN); + DELAY(2); + urtw_write16_m(sc, URTW_RF_PINS_OUTPUT, d80); + DELAY(10); + + error = urtw_8225_write_s16(sc, addr, 0x8225, &data); + if (error != 0) + goto fail; + + urtw_write16_m(sc, URTW_RF_PINS_OUTPUT, d80 | URTW_BB_HOST_BANG_EN); + DELAY(10); + urtw_write16_m(sc, URTW_RF_PINS_OUTPUT, d80 | URTW_BB_HOST_BANG_EN); + urtw_write16_m(sc, URTW_RF_PINS_SELECT, d84); + urtw_pause_ms(sc, 2); +fail: + return (error); +} + +static usb_error_t +urtw_8225_write_s16(struct urtw_softc *sc, uint8_t addr, int index, + uint16_t *data) +{ + uint8_t buf[2]; + uint16_t data16; + struct usb_device_request req; + usb_error_t error = 0; + + data16 = *data; + + req.bmRequestType = UT_WRITE_VENDOR_DEVICE; + req.bRequest = URTW_8187_SETREGS_REQ; + USETW(req.wValue, addr); + USETW(req.wIndex, index); + USETW(req.wLength, sizeof(uint16_t)); + buf[0] = (data16 & 0x00ff); + buf[1] = (data16 & 0xff00) >> 8; + + error = urtw_do_request(sc, &req, buf); + + return (error); +} + +static usb_error_t +urtw_8225_rf_set_chan(struct urtw_softc *sc, int chan) +{ + usb_error_t error; + + error = urtw_8225_set_txpwrlvl(sc, chan); + if (error) + goto fail; + urtw_8225_write(sc, URTW_8225_ADDR_7_MAGIC, urtw_8225_channel[chan]); + urtw_pause_ms(sc, 10); +fail: + return (error); +} + +static usb_error_t +urtw_8225_rf_set_sens(struct urtw_softc *sc, int sens) +{ + usb_error_t error; + + if (sens < 0 || sens > 6) + return -1; + + if (sens > 4) + urtw_8225_write(sc, + URTW_8225_ADDR_C_MAGIC, URTW_8225_ADDR_C_DATA_MAGIC1); + else + urtw_8225_write(sc, + URTW_8225_ADDR_C_MAGIC, URTW_8225_ADDR_C_DATA_MAGIC2); + + sens = 6 - sens; + error = urtw_8225_setgain(sc, sens); + if (error) + goto fail; + + urtw_8187_write_phy_cck(sc, 0x41, urtw_8225_threshold[sens]); + +fail: + return (error); +} + +static usb_error_t +urtw_8225_set_txpwrlvl(struct urtw_softc *sc, int chan) +{ + int i, idx, set; + uint8_t *cck_pwltable; + uint8_t cck_pwrlvl_max, ofdm_pwrlvl_min, ofdm_pwrlvl_max; + uint8_t cck_pwrlvl = sc->sc_txpwr_cck[chan] & 0xff; + uint8_t ofdm_pwrlvl = sc->sc_txpwr_ofdm[chan] & 0xff; + usb_error_t error; + + cck_pwrlvl_max = 11; + ofdm_pwrlvl_max = 25; /* 12 -> 25 */ + ofdm_pwrlvl_min = 10; + + /* CCK power setting */ + cck_pwrlvl = (cck_pwrlvl > cck_pwrlvl_max) ? cck_pwrlvl_max : cck_pwrlvl; + idx = cck_pwrlvl % 6; + set = cck_pwrlvl / 6; + cck_pwltable = (chan == 14) ? urtw_8225_txpwr_cck_ch14 : + urtw_8225_txpwr_cck; + + urtw_write8_m(sc, URTW_TX_GAIN_CCK, + urtw_8225_tx_gain_cck_ofdm[set] >> 1); + for (i = 0; i < 8; i++) { + urtw_8187_write_phy_cck(sc, 0x44 + i, + cck_pwltable[idx * 8 + i]); + } + urtw_pause_ms(sc, 1); + + /* OFDM power setting */ + ofdm_pwrlvl = (ofdm_pwrlvl > (ofdm_pwrlvl_max - ofdm_pwrlvl_min)) ? + ofdm_pwrlvl_max : ofdm_pwrlvl + ofdm_pwrlvl_min; + ofdm_pwrlvl = (ofdm_pwrlvl > 35) ? 35 : ofdm_pwrlvl; + + idx = ofdm_pwrlvl % 6; + set = ofdm_pwrlvl / 6; + + error = urtw_8185_set_anaparam2(sc, URTW_8225_ANAPARAM2_ON); + if (error) + goto fail; + urtw_8187_write_phy_ofdm(sc, 2, 0x42); + urtw_8187_write_phy_ofdm(sc, 6, 0); + urtw_8187_write_phy_ofdm(sc, 8, 0); + + urtw_write8_m(sc, URTW_TX_GAIN_OFDM, + urtw_8225_tx_gain_cck_ofdm[set] >> 1); + urtw_8187_write_phy_ofdm(sc, 0x5, urtw_8225_txpwr_ofdm[idx]); + urtw_8187_write_phy_ofdm(sc, 0x7, urtw_8225_txpwr_ofdm[idx]); + urtw_pause_ms(sc, 1); +fail: + return (error); +} + +static usb_error_t +urtw_8225_rf_stop(struct urtw_softc *sc) +{ + uint8_t data; + usb_error_t error; + + urtw_8225_write(sc, 0x4, 0x1f); + + error = urtw_set_mode(sc, URTW_EPROM_CMD_CONFIG); + if (error) + goto fail; + + urtw_read8_m(sc, URTW_CONFIG3, &data); + urtw_write8_m(sc, URTW_CONFIG3, data | URTW_CONFIG3_ANAPARAM_WRITE); + if (sc->sc_flags & URTW_RTL8187B) { + urtw_write32_m(sc, URTW_ANAPARAM2, + URTW_8187B_8225_ANAPARAM2_OFF); + urtw_write32_m(sc, URTW_ANAPARAM, URTW_8187B_8225_ANAPARAM_OFF); + urtw_write32_m(sc, URTW_ANAPARAM3, + URTW_8187B_8225_ANAPARAM3_OFF); + } else { + urtw_write32_m(sc, URTW_ANAPARAM2, URTW_8225_ANAPARAM2_OFF); + urtw_write32_m(sc, URTW_ANAPARAM, URTW_8225_ANAPARAM_OFF); + } + + urtw_write8_m(sc, URTW_CONFIG3, data & ~URTW_CONFIG3_ANAPARAM_WRITE); + error = urtw_set_mode(sc, URTW_EPROM_CMD_NORMAL); + if (error) + goto fail; + +fail: + return (error); +} + +static usb_error_t +urtw_8225v2_rf_init(struct urtw_softc *sc) +{ + unsigned i; + uint16_t data; + uint32_t data32; + usb_error_t error; + + error = urtw_8180_set_anaparam(sc, URTW_8225_ANAPARAM_ON); + if (error) + goto fail; + + error = urtw_8225_usb_init(sc); + if (error) + goto fail; + + urtw_write32_m(sc, URTW_RF_TIMING, 0x000a8008); + urtw_read16_m(sc, URTW_BRSR, &data); /* XXX ??? */ + urtw_write16_m(sc, URTW_BRSR, 0xffff); + urtw_write32_m(sc, URTW_RF_PARA, 0x100044); + + error = urtw_set_mode(sc, URTW_EPROM_CMD_CONFIG); + if (error) + goto fail; + urtw_write8_m(sc, URTW_CONFIG3, 0x44); + error = urtw_set_mode(sc, URTW_EPROM_CMD_NORMAL); + if (error) + goto fail; + + error = urtw_8185_rf_pins_enable(sc); + if (error) + goto fail; + + urtw_pause_ms(sc, 500); + + for (i = 0; i < nitems(urtw_8225v2_rf_part1); i++) { + urtw_8225_write(sc, urtw_8225v2_rf_part1[i].reg, + urtw_8225v2_rf_part1[i].val); + } + urtw_pause_ms(sc, 50); + + urtw_8225_write(sc, + URTW_8225_ADDR_0_MAGIC, URTW_8225_ADDR_0_DATA_MAGIC1); + + for (i = 0; i < 95; i++) { + urtw_8225_write(sc, URTW_8225_ADDR_1_MAGIC, (uint8_t)(i + 1)); + urtw_8225_write(sc, URTW_8225_ADDR_2_MAGIC, + urtw_8225v2_rxgain[i]); + } + + urtw_8225_write(sc, + URTW_8225_ADDR_3_MAGIC, URTW_8225_ADDR_3_DATA_MAGIC1); + urtw_8225_write(sc, + URTW_8225_ADDR_5_MAGIC, URTW_8225_ADDR_5_DATA_MAGIC1); + urtw_8225_write(sc, + URTW_8225_ADDR_0_MAGIC, URTW_8225_ADDR_0_DATA_MAGIC2); + urtw_8225_write(sc, + URTW_8225_ADDR_2_MAGIC, URTW_8225_ADDR_2_DATA_MAGIC1); + urtw_pause_ms(sc, 100); + urtw_8225_write(sc, + URTW_8225_ADDR_2_MAGIC, URTW_8225_ADDR_2_DATA_MAGIC2); + urtw_pause_ms(sc, 100); + + error = urtw_8225_read(sc, URTW_8225_ADDR_6_MAGIC, &data32); + if (error != 0) + goto fail; + if (data32 != URTW_8225_ADDR_6_DATA_MAGIC1) + device_printf(sc->sc_dev, "expect 0xe6!! (0x%x)\n", data32); + if (!(data32 & URTW_8225_ADDR_6_DATA_MAGIC2)) { + urtw_8225_write(sc, + URTW_8225_ADDR_2_MAGIC, URTW_8225_ADDR_2_DATA_MAGIC1); + urtw_pause_ms(sc, 100); + urtw_8225_write(sc, + URTW_8225_ADDR_2_MAGIC, URTW_8225_ADDR_2_DATA_MAGIC2); + urtw_pause_ms(sc, 50); + error = urtw_8225_read(sc, URTW_8225_ADDR_6_MAGIC, &data32); + if (error != 0) + goto fail; + if (!(data32 & URTW_8225_ADDR_6_DATA_MAGIC2)) + device_printf(sc->sc_dev, "RF calibration failed\n"); + } + urtw_pause_ms(sc, 100); + + urtw_8225_write(sc, + URTW_8225_ADDR_0_MAGIC, URTW_8225_ADDR_0_DATA_MAGIC6); + for (i = 0; i < 128; i++) { + urtw_8187_write_phy_ofdm(sc, 0xb, urtw_8225_agc[i]); + urtw_8187_write_phy_ofdm(sc, 0xa, (uint8_t)i + 0x80); + } + + for (i = 0; i < nitems(urtw_8225v2_rf_part2); i++) { + urtw_8187_write_phy_ofdm(sc, urtw_8225v2_rf_part2[i].reg, + urtw_8225v2_rf_part2[i].val); + } + + error = urtw_8225v2_setgain(sc, 4); + if (error) + goto fail; + + for (i = 0; i < nitems(urtw_8225v2_rf_part3); i++) { + urtw_8187_write_phy_cck(sc, urtw_8225v2_rf_part3[i].reg, + urtw_8225v2_rf_part3[i].val); + } + + urtw_write8_m(sc, URTW_TESTR, 0x0d); + + error = urtw_8225v2_set_txpwrlvl(sc, 1); + if (error) + goto fail; + + urtw_8187_write_phy_cck(sc, 0x10, 0x9b); + urtw_8187_write_phy_ofdm(sc, 0x26, 0x90); + + /* TX ant A, 0x0 for B */ + error = urtw_8185_tx_antenna(sc, 0x3); + if (error) + goto fail; + urtw_write32_m(sc, URTW_HSSI_PARA, 0x3dc00002); + + error = urtw_8225_rf_set_chan(sc, 1); +fail: + return (error); +} + +static usb_error_t +urtw_8225v2_rf_set_chan(struct urtw_softc *sc, int chan) +{ + usb_error_t error; + + error = urtw_8225v2_set_txpwrlvl(sc, chan); + if (error) + goto fail; + + urtw_8225_write(sc, URTW_8225_ADDR_7_MAGIC, urtw_8225_channel[chan]); + urtw_pause_ms(sc, 10); +fail: + return (error); +} + +static usb_error_t +urtw_8225_read(struct urtw_softc *sc, uint8_t addr, uint32_t *data) +{ + int i; + int16_t bit; + uint8_t rlen = 12, wlen = 6; + uint16_t o1, o2, o3, tmp; + uint32_t d2w = ((uint32_t)(addr & 0x1f)) << 27; + uint32_t mask = 0x80000000, value = 0; + usb_error_t error; + + urtw_read16_m(sc, URTW_RF_PINS_OUTPUT, &o1); + urtw_read16_m(sc, URTW_RF_PINS_ENABLE, &o2); + urtw_read16_m(sc, URTW_RF_PINS_SELECT, &o3); + urtw_write16_m(sc, URTW_RF_PINS_ENABLE, o2 | URTW_RF_PINS_MAGIC4); + urtw_write16_m(sc, URTW_RF_PINS_SELECT, o3 | URTW_RF_PINS_MAGIC4); + o1 &= ~URTW_RF_PINS_MAGIC4; + urtw_write16_m(sc, URTW_RF_PINS_OUTPUT, o1 | URTW_BB_HOST_BANG_EN); + DELAY(5); + urtw_write16_m(sc, URTW_RF_PINS_OUTPUT, o1); + DELAY(5); + + for (i = 0; i < (wlen / 2); i++, mask = mask >> 1) { + bit = ((d2w & mask) != 0) ? 1 : 0; + + urtw_write16_m(sc, URTW_RF_PINS_OUTPUT, bit | o1); + DELAY(2); + urtw_write16_m(sc, URTW_RF_PINS_OUTPUT, bit | o1 | + URTW_BB_HOST_BANG_CLK); + DELAY(2); + urtw_write16_m(sc, URTW_RF_PINS_OUTPUT, bit | o1 | + URTW_BB_HOST_BANG_CLK); + DELAY(2); + mask = mask >> 1; + if (i == 2) + break; + bit = ((d2w & mask) != 0) ? 1 : 0; + urtw_write16_m(sc, URTW_RF_PINS_OUTPUT, bit | o1 | + URTW_BB_HOST_BANG_CLK); + DELAY(2); + urtw_write16_m(sc, URTW_RF_PINS_OUTPUT, bit | o1 | + URTW_BB_HOST_BANG_CLK); + DELAY(2); + urtw_write16_m(sc, URTW_RF_PINS_OUTPUT, bit | o1); + DELAY(1); + } + urtw_write16_m(sc, URTW_RF_PINS_OUTPUT, bit | o1 | URTW_BB_HOST_BANG_RW | + URTW_BB_HOST_BANG_CLK); + DELAY(2); + urtw_write16_m(sc, URTW_RF_PINS_OUTPUT, bit | o1 | URTW_BB_HOST_BANG_RW); + DELAY(2); + urtw_write16_m(sc, URTW_RF_PINS_OUTPUT, o1 | URTW_BB_HOST_BANG_RW); + DELAY(2); + + mask = 0x800; + for (i = 0; i < rlen; i++, mask = mask >> 1) { + urtw_write16_m(sc, URTW_RF_PINS_OUTPUT, + o1 | URTW_BB_HOST_BANG_RW); + DELAY(2); + urtw_write16_m(sc, URTW_RF_PINS_OUTPUT, + o1 | URTW_BB_HOST_BANG_RW | URTW_BB_HOST_BANG_CLK); + DELAY(2); + urtw_write16_m(sc, URTW_RF_PINS_OUTPUT, + o1 | URTW_BB_HOST_BANG_RW | URTW_BB_HOST_BANG_CLK); + DELAY(2); + urtw_write16_m(sc, URTW_RF_PINS_OUTPUT, + o1 | URTW_BB_HOST_BANG_RW | URTW_BB_HOST_BANG_CLK); + DELAY(2); + + urtw_read16_m(sc, URTW_RF_PINS_INPUT, &tmp); + value |= ((tmp & URTW_BB_HOST_BANG_CLK) ? mask : 0); + urtw_write16_m(sc, URTW_RF_PINS_OUTPUT, + o1 | URTW_BB_HOST_BANG_RW); + DELAY(2); + } + + urtw_write16_m(sc, URTW_RF_PINS_OUTPUT, o1 | URTW_BB_HOST_BANG_EN | + URTW_BB_HOST_BANG_RW); + DELAY(2); + + urtw_write16_m(sc, URTW_RF_PINS_ENABLE, o2); + urtw_write16_m(sc, URTW_RF_PINS_SELECT, o3); + urtw_write16_m(sc, URTW_RF_PINS_OUTPUT, URTW_RF_PINS_OUTPUT_MAGIC1); + + if (data != NULL) + *data = value; +fail: + return (error); +} + +static usb_error_t +urtw_8225v2_set_txpwrlvl(struct urtw_softc *sc, int chan) +{ + int i; + uint8_t *cck_pwrtable; + uint8_t cck_pwrlvl_max = 15, ofdm_pwrlvl_max = 25, ofdm_pwrlvl_min = 10; + uint8_t cck_pwrlvl = sc->sc_txpwr_cck[chan] & 0xff; + uint8_t ofdm_pwrlvl = sc->sc_txpwr_ofdm[chan] & 0xff; + usb_error_t error; + + /* CCK power setting */ + cck_pwrlvl = (cck_pwrlvl > cck_pwrlvl_max) ? cck_pwrlvl_max : cck_pwrlvl; + cck_pwrlvl += sc->sc_txpwr_cck_base; + cck_pwrlvl = (cck_pwrlvl > 35) ? 35 : cck_pwrlvl; + cck_pwrtable = (chan == 14) ? urtw_8225v2_txpwr_cck_ch14 : + urtw_8225v2_txpwr_cck; + + for (i = 0; i < 8; i++) + urtw_8187_write_phy_cck(sc, 0x44 + i, cck_pwrtable[i]); + + urtw_write8_m(sc, URTW_TX_GAIN_CCK, + urtw_8225v2_tx_gain_cck_ofdm[cck_pwrlvl]); + urtw_pause_ms(sc, 1); + + /* OFDM power setting */ + ofdm_pwrlvl = (ofdm_pwrlvl > (ofdm_pwrlvl_max - ofdm_pwrlvl_min)) ? + ofdm_pwrlvl_max : ofdm_pwrlvl + ofdm_pwrlvl_min; + ofdm_pwrlvl += sc->sc_txpwr_ofdm_base; + ofdm_pwrlvl = (ofdm_pwrlvl > 35) ? 35 : ofdm_pwrlvl; + + error = urtw_8185_set_anaparam2(sc, URTW_8225_ANAPARAM2_ON); + if (error) + goto fail; + + urtw_8187_write_phy_ofdm(sc, 2, 0x42); + urtw_8187_write_phy_ofdm(sc, 5, 0x0); + urtw_8187_write_phy_ofdm(sc, 6, 0x40); + urtw_8187_write_phy_ofdm(sc, 7, 0x0); + urtw_8187_write_phy_ofdm(sc, 8, 0x40); + + urtw_write8_m(sc, URTW_TX_GAIN_OFDM, + urtw_8225v2_tx_gain_cck_ofdm[ofdm_pwrlvl]); + urtw_pause_ms(sc, 1); +fail: + return (error); +} + +static usb_error_t +urtw_8225v2_setgain(struct urtw_softc *sc, int16_t gain) +{ + uint8_t *gainp; + usb_error_t error; + + /* XXX for A? */ + gainp = urtw_8225v2_gain_bg; + urtw_8187_write_phy_ofdm(sc, 0x0d, gainp[gain * 3]); + urtw_pause_ms(sc, 1); + urtw_8187_write_phy_ofdm(sc, 0x1b, gainp[gain * 3 + 1]); + urtw_pause_ms(sc, 1); + urtw_8187_write_phy_ofdm(sc, 0x1d, gainp[gain * 3 + 2]); + urtw_pause_ms(sc, 1); + urtw_8187_write_phy_ofdm(sc, 0x21, 0x17); + urtw_pause_ms(sc, 1); +fail: + return (error); +} + +static usb_error_t +urtw_8225_isv2(struct urtw_softc *sc, int *ret) +{ + uint32_t data; + usb_error_t error; + + *ret = 1; + + urtw_write16_m(sc, URTW_RF_PINS_OUTPUT, URTW_RF_PINS_MAGIC5); + urtw_write16_m(sc, URTW_RF_PINS_SELECT, URTW_RF_PINS_MAGIC5); + urtw_write16_m(sc, URTW_RF_PINS_ENABLE, URTW_RF_PINS_MAGIC5); + urtw_pause_ms(sc, 500); + + urtw_8225_write(sc, URTW_8225_ADDR_0_MAGIC, + URTW_8225_ADDR_0_DATA_MAGIC1); + + error = urtw_8225_read(sc, URTW_8225_ADDR_8_MAGIC, &data); + if (error != 0) + goto fail; + if (data != URTW_8225_ADDR_8_DATA_MAGIC1) + *ret = 0; + else { + error = urtw_8225_read(sc, URTW_8225_ADDR_9_MAGIC, &data); + if (error != 0) + goto fail; + if (data != URTW_8225_ADDR_9_DATA_MAGIC1) + *ret = 0; + } + + urtw_8225_write(sc, URTW_8225_ADDR_0_MAGIC, + URTW_8225_ADDR_0_DATA_MAGIC2); +fail: + return (error); +} + +static usb_error_t +urtw_8225v2b_rf_init(struct urtw_softc *sc) +{ + struct ieee80211com *ic = &sc->sc_ic; + struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); + const uint8_t *macaddr; + unsigned i; + uint8_t data8; + usb_error_t error; + + error = urtw_set_mode(sc, URTW_EPROM_CMD_CONFIG); + if (error) + goto fail; + + /* + * initialize extra registers on 8187 + */ + urtw_write16_m(sc, URTW_BRSR_8187B, 0xfff); + + /* retry limit */ + urtw_read8_m(sc, URTW_CW_CONF, &data8); + data8 |= URTW_CW_CONF_PERPACKET_RETRY; + urtw_write8_m(sc, URTW_CW_CONF, data8); + + /* TX AGC */ + urtw_read8_m(sc, URTW_TX_AGC_CTL, &data8); + data8 |= URTW_TX_AGC_CTL_PERPACKET_GAIN; + urtw_write8_m(sc, URTW_TX_AGC_CTL, data8); + + /* Auto Rate Fallback Control */ +#define URTW_ARFR 0x1e0 + urtw_write16_m(sc, URTW_ARFR, 0xfff); + urtw_read8_m(sc, URTW_RATE_FALLBACK, &data8); + urtw_write8_m(sc, URTW_RATE_FALLBACK, + data8 | URTW_RATE_FALLBACK_ENABLE); + + urtw_read8_m(sc, URTW_MSR, &data8); + urtw_write8_m(sc, URTW_MSR, data8 & 0xf3); + urtw_read8_m(sc, URTW_MSR, &data8); + urtw_write8_m(sc, URTW_MSR, data8 | URTW_MSR_LINK_ENEDCA); + urtw_write8_m(sc, URTW_ACM_CONTROL, sc->sc_acmctl); + + urtw_write16_m(sc, URTW_ATIM_WND, 2); + urtw_write16_m(sc, URTW_BEACON_INTERVAL, 100); +#define URTW_FEMR_FOR_8187B 0x1d4 + urtw_write16_m(sc, URTW_FEMR_FOR_8187B, 0xffff); + + /* led type */ + urtw_read8_m(sc, URTW_CONFIG1, &data8); + data8 = (data8 & 0x3f) | 0x80; + urtw_write8_m(sc, URTW_CONFIG1, data8); + + /* applying MAC address again. */ + macaddr = vap ? vap->iv_myaddr : ic->ic_macaddr; + error = urtw_set_macaddr(sc, macaddr); + if (error) + goto fail; + + error = urtw_set_mode(sc, URTW_EPROM_CMD_NORMAL); + if (error) + goto fail; + + urtw_write8_m(sc, URTW_WPA_CONFIG, 0); + + /* + * MAC configuration + */ + for (i = 0; i < nitems(urtw_8225v2b_rf_part1); i++) + urtw_write8_m(sc, urtw_8225v2b_rf_part1[i].reg, + urtw_8225v2b_rf_part1[i].val); + urtw_write16_m(sc, URTW_TID_AC_MAP, 0xfa50); + urtw_write16_m(sc, URTW_INT_MIG, 0x0000); + urtw_write32_m(sc, 0x1f0, 0); + urtw_write32_m(sc, 0x1f4, 0); + urtw_write8_m(sc, 0x1f8, 0); + urtw_write32_m(sc, URTW_RF_TIMING, 0x4001); + +#define URTW_RFSW_CTRL 0x272 + urtw_write16_m(sc, URTW_RFSW_CTRL, 0x569a); + + /* + * initialize PHY + */ + error = urtw_set_mode(sc, URTW_EPROM_CMD_CONFIG); + if (error) + goto fail; + urtw_read8_m(sc, URTW_CONFIG3, &data8); + urtw_write8_m(sc, URTW_CONFIG3, + data8 | URTW_CONFIG3_ANAPARAM_WRITE); + + error = urtw_set_mode(sc, URTW_EPROM_CMD_NORMAL); + if (error) + goto fail; + + /* setup RFE initial timing */ + urtw_write16_m(sc, URTW_RF_PINS_OUTPUT, 0x0480); + urtw_write16_m(sc, URTW_RF_PINS_SELECT, 0x2488); + urtw_write16_m(sc, URTW_RF_PINS_ENABLE, 0x1fff); + urtw_pause_ms(sc, 1100); + + for (i = 0; i < nitems(urtw_8225v2b_rf_part0); i++) { + urtw_8225_write(sc, urtw_8225v2b_rf_part0[i].reg, + urtw_8225v2b_rf_part0[i].val); + urtw_pause_ms(sc, 1); + } + urtw_8225_write(sc, 0x00, 0x01b7); + + for (i = 0; i < 95; i++) { + urtw_8225_write(sc, URTW_8225_ADDR_1_MAGIC, (uint8_t)(i + 1)); + urtw_pause_ms(sc, 1); + urtw_8225_write(sc, URTW_8225_ADDR_2_MAGIC, + urtw_8225v2b_rxgain[i]); + urtw_pause_ms(sc, 1); + } + + urtw_8225_write(sc, URTW_8225_ADDR_3_MAGIC, 0x080); + urtw_pause_ms(sc, 1); + urtw_8225_write(sc, URTW_8225_ADDR_5_MAGIC, 0x004); + urtw_pause_ms(sc, 1); + urtw_8225_write(sc, URTW_8225_ADDR_0_MAGIC, 0x0b7); + urtw_pause_ms(sc, 1); + urtw_pause_ms(sc, 3000); + urtw_8225_write(sc, URTW_8225_ADDR_2_MAGIC, 0xc4d); + urtw_pause_ms(sc, 2000); + urtw_8225_write(sc, URTW_8225_ADDR_2_MAGIC, 0x44d); + urtw_pause_ms(sc, 1); + urtw_8225_write(sc, URTW_8225_ADDR_0_MAGIC, 0x2bf); + urtw_pause_ms(sc, 1); + + urtw_write8_m(sc, URTW_TX_GAIN_CCK, 0x03); + urtw_write8_m(sc, URTW_TX_GAIN_OFDM, 0x07); + urtw_write8_m(sc, URTW_TX_ANTENNA, 0x03); + + urtw_8187_write_phy_ofdm(sc, 0x80, 0x12); + for (i = 0; i < 128; i++) { + uint32_t addr, data; + + data = (urtw_8225z2_agc[i] << 8) | 0x0000008f; + addr = ((i + 0x80) << 8) | 0x0000008e; + + urtw_8187_write_phy_ofdm(sc, data & 0x7f, (data >> 8) & 0xff); + urtw_8187_write_phy_ofdm(sc, addr & 0x7f, (addr >> 8) & 0xff); + urtw_8187_write_phy_ofdm(sc, 0x0e, 0x00); + } + urtw_8187_write_phy_ofdm(sc, 0x80, 0x10); + + for (i = 0; i < nitems(urtw_8225v2b_rf_part2); i++) + urtw_8187_write_phy_ofdm(sc, i, urtw_8225v2b_rf_part2[i].val); + + urtw_write32_m(sc, URTW_8187B_AC_VO, (7 << 12) | (3 << 8) | 0x1c); + urtw_write32_m(sc, URTW_8187B_AC_VI, (7 << 12) | (3 << 8) | 0x1c); + urtw_write32_m(sc, URTW_8187B_AC_BE, (7 << 12) | (3 << 8) | 0x1c); + urtw_write32_m(sc, URTW_8187B_AC_BK, (7 << 12) | (3 << 8) | 0x1c); + + urtw_8187_write_phy_ofdm(sc, 0x97, 0x46); + urtw_8187_write_phy_ofdm(sc, 0xa4, 0xb6); + urtw_8187_write_phy_ofdm(sc, 0x85, 0xfc); + urtw_8187_write_phy_cck(sc, 0xc1, 0x88); + +fail: + return (error); +} + +static usb_error_t +urtw_8225v2b_rf_set_chan(struct urtw_softc *sc, int chan) +{ + usb_error_t error; + + error = urtw_8225v2b_set_txpwrlvl(sc, chan); + if (error) + goto fail; + + urtw_8225_write(sc, URTW_8225_ADDR_7_MAGIC, urtw_8225_channel[chan]); + urtw_pause_ms(sc, 10); +fail: + return (error); +} + +static usb_error_t +urtw_8225v2b_set_txpwrlvl(struct urtw_softc *sc, int chan) +{ + int i; + uint8_t *cck_pwrtable; + uint8_t cck_pwrlvl_max = 15; + uint8_t cck_pwrlvl = sc->sc_txpwr_cck[chan] & 0xff; + uint8_t ofdm_pwrlvl = sc->sc_txpwr_ofdm[chan] & 0xff; + usb_error_t error; + + /* CCK power setting */ + cck_pwrlvl = (cck_pwrlvl > cck_pwrlvl_max) ? + ((sc->sc_flags & URTW_RTL8187B_REV_B) ? cck_pwrlvl_max : 22) : + (cck_pwrlvl + ((sc->sc_flags & URTW_RTL8187B_REV_B) ? 0 : 7)); + cck_pwrlvl += sc->sc_txpwr_cck_base; + cck_pwrlvl = (cck_pwrlvl > 35) ? 35 : cck_pwrlvl; + cck_pwrtable = (chan == 14) ? urtw_8225v2b_txpwr_cck_ch14 : + urtw_8225v2b_txpwr_cck; + + if (sc->sc_flags & URTW_RTL8187B_REV_B) + cck_pwrtable += (cck_pwrlvl <= 6) ? 0 : + ((cck_pwrlvl <= 11) ? 8 : 16); + else + cck_pwrtable += (cck_pwrlvl <= 5) ? 0 : + ((cck_pwrlvl <= 11) ? 8 : ((cck_pwrlvl <= 17) ? 16 : 24)); + + for (i = 0; i < 8; i++) + urtw_8187_write_phy_cck(sc, 0x44 + i, cck_pwrtable[i]); + + urtw_write8_m(sc, URTW_TX_GAIN_CCK, + urtw_8225v2_tx_gain_cck_ofdm[cck_pwrlvl] << 1); + urtw_pause_ms(sc, 1); + + /* OFDM power setting */ + ofdm_pwrlvl = (ofdm_pwrlvl > 15) ? + ((sc->sc_flags & URTW_RTL8187B_REV_B) ? 17 : 25) : + (ofdm_pwrlvl + ((sc->sc_flags & URTW_RTL8187B_REV_B) ? 2 : 10)); + ofdm_pwrlvl += sc->sc_txpwr_ofdm_base; + ofdm_pwrlvl = (ofdm_pwrlvl > 35) ? 35 : ofdm_pwrlvl; + + urtw_write8_m(sc, URTW_TX_GAIN_OFDM, + urtw_8225v2_tx_gain_cck_ofdm[ofdm_pwrlvl] << 1); + + if (sc->sc_flags & URTW_RTL8187B_REV_B) { + if (ofdm_pwrlvl <= 11) { + urtw_8187_write_phy_ofdm(sc, 0x87, 0x60); + urtw_8187_write_phy_ofdm(sc, 0x89, 0x60); + } else { + urtw_8187_write_phy_ofdm(sc, 0x87, 0x5c); + urtw_8187_write_phy_ofdm(sc, 0x89, 0x5c); + } + } else { + if (ofdm_pwrlvl <= 11) { + urtw_8187_write_phy_ofdm(sc, 0x87, 0x5c); + urtw_8187_write_phy_ofdm(sc, 0x89, 0x5c); + } else if (ofdm_pwrlvl <= 17) { + urtw_8187_write_phy_ofdm(sc, 0x87, 0x54); + urtw_8187_write_phy_ofdm(sc, 0x89, 0x54); + } else { + urtw_8187_write_phy_ofdm(sc, 0x87, 0x50); + urtw_8187_write_phy_ofdm(sc, 0x89, 0x50); + } + } + urtw_pause_ms(sc, 1); +fail: + return (error); +} + +static usb_error_t +urtw_read8e(struct urtw_softc *sc, int val, uint8_t *data) +{ + struct usb_device_request req; + usb_error_t error; + + req.bmRequestType = UT_READ_VENDOR_DEVICE; + req.bRequest = URTW_8187_GETREGS_REQ; + USETW(req.wValue, val | 0xfe00); + USETW(req.wIndex, 0); + USETW(req.wLength, sizeof(uint8_t)); + + error = urtw_do_request(sc, &req, data); + return (error); +} + +static usb_error_t +urtw_write8e(struct urtw_softc *sc, int val, uint8_t data) +{ + struct usb_device_request req; + + req.bmRequestType = UT_WRITE_VENDOR_DEVICE; + req.bRequest = URTW_8187_SETREGS_REQ; + USETW(req.wValue, val | 0xfe00); + USETW(req.wIndex, 0); + USETW(req.wLength, sizeof(uint8_t)); + + return (urtw_do_request(sc, &req, &data)); +} + +static usb_error_t +urtw_8180_set_anaparam(struct urtw_softc *sc, uint32_t val) +{ + uint8_t data; + usb_error_t error; + + error = urtw_set_mode(sc, URTW_EPROM_CMD_CONFIG); + if (error) + goto fail; + + urtw_read8_m(sc, URTW_CONFIG3, &data); + urtw_write8_m(sc, URTW_CONFIG3, data | URTW_CONFIG3_ANAPARAM_WRITE); + urtw_write32_m(sc, URTW_ANAPARAM, val); + urtw_read8_m(sc, URTW_CONFIG3, &data); + urtw_write8_m(sc, URTW_CONFIG3, data & ~URTW_CONFIG3_ANAPARAM_WRITE); + + error = urtw_set_mode(sc, URTW_EPROM_CMD_NORMAL); + if (error) + goto fail; +fail: + return (error); +} + +static usb_error_t +urtw_8185_set_anaparam2(struct urtw_softc *sc, uint32_t val) +{ + uint8_t data; + usb_error_t error; + + error = urtw_set_mode(sc, URTW_EPROM_CMD_CONFIG); + if (error) + goto fail; + + urtw_read8_m(sc, URTW_CONFIG3, &data); + urtw_write8_m(sc, URTW_CONFIG3, data | URTW_CONFIG3_ANAPARAM_WRITE); + urtw_write32_m(sc, URTW_ANAPARAM2, val); + urtw_read8_m(sc, URTW_CONFIG3, &data); + urtw_write8_m(sc, URTW_CONFIG3, data & ~URTW_CONFIG3_ANAPARAM_WRITE); + + error = urtw_set_mode(sc, URTW_EPROM_CMD_NORMAL); + if (error) + goto fail; +fail: + return (error); +} + +static usb_error_t +urtw_intr_enable(struct urtw_softc *sc) +{ + usb_error_t error; + + urtw_write16_m(sc, URTW_INTR_MASK, 0xffff); +fail: + return (error); +} + +static usb_error_t +urtw_intr_disable(struct urtw_softc *sc) +{ + usb_error_t error; + + urtw_write16_m(sc, URTW_INTR_MASK, 0); +fail: + return (error); +} + +static usb_error_t +urtw_reset(struct urtw_softc *sc) +{ + uint8_t data; + usb_error_t error; + + error = urtw_8180_set_anaparam(sc, URTW_8225_ANAPARAM_ON); + if (error) + goto fail; + error = urtw_8185_set_anaparam2(sc, URTW_8225_ANAPARAM2_ON); + if (error) + goto fail; + + error = urtw_intr_disable(sc); + if (error) + goto fail; + urtw_pause_ms(sc, 100); + + error = urtw_write8e(sc, 0x18, 0x10); + if (error != 0) + goto fail; + error = urtw_write8e(sc, 0x18, 0x11); + if (error != 0) + goto fail; + error = urtw_write8e(sc, 0x18, 0x00); + if (error != 0) + goto fail; + urtw_pause_ms(sc, 100); + + urtw_read8_m(sc, URTW_CMD, &data); + data = (data & 0x2) | URTW_CMD_RST; + urtw_write8_m(sc, URTW_CMD, data); + urtw_pause_ms(sc, 100); + + urtw_read8_m(sc, URTW_CMD, &data); + if (data & URTW_CMD_RST) { + device_printf(sc->sc_dev, "reset timeout\n"); + goto fail; + } + + error = urtw_set_mode(sc, URTW_EPROM_CMD_LOAD); + if (error) + goto fail; + urtw_pause_ms(sc, 100); + + error = urtw_8180_set_anaparam(sc, URTW_8225_ANAPARAM_ON); + if (error) + goto fail; + error = urtw_8185_set_anaparam2(sc, URTW_8225_ANAPARAM2_ON); + if (error) + goto fail; +fail: + return (error); +} + +static usb_error_t +urtw_led_ctl(struct urtw_softc *sc, int mode) +{ + usb_error_t error = 0; + + switch (sc->sc_strategy) { + case URTW_SW_LED_MODE0: + error = urtw_led_mode0(sc, mode); + break; + case URTW_SW_LED_MODE1: + error = urtw_led_mode1(sc, mode); + break; + case URTW_SW_LED_MODE2: + error = urtw_led_mode2(sc, mode); + break; + case URTW_SW_LED_MODE3: + error = urtw_led_mode3(sc, mode); + break; + default: + DPRINTF(sc, URTW_DEBUG_STATE, + "unsupported LED mode %d\n", sc->sc_strategy); + error = USB_ERR_INVAL; + break; + } + + return (error); +} + +static usb_error_t +urtw_led_mode0(struct urtw_softc *sc, int mode) +{ + + switch (mode) { + case URTW_LED_CTL_POWER_ON: + sc->sc_gpio_ledstate = URTW_LED_POWER_ON_BLINK; + break; + case URTW_LED_CTL_TX: + if (sc->sc_gpio_ledinprogress == 1) + return (0); + + sc->sc_gpio_ledstate = URTW_LED_BLINK_NORMAL; + sc->sc_gpio_blinktime = 2; + break; + case URTW_LED_CTL_LINK: + sc->sc_gpio_ledstate = URTW_LED_ON; + break; + default: + DPRINTF(sc, URTW_DEBUG_STATE, + "unsupported LED mode 0x%x", mode); + return (USB_ERR_INVAL); + } + + switch (sc->sc_gpio_ledstate) { + case URTW_LED_ON: + if (sc->sc_gpio_ledinprogress != 0) + break; + urtw_led_on(sc, URTW_LED_GPIO); + break; + case URTW_LED_BLINK_NORMAL: + if (sc->sc_gpio_ledinprogress != 0) + break; + sc->sc_gpio_ledinprogress = 1; + sc->sc_gpio_blinkstate = (sc->sc_gpio_ledon != 0) ? + URTW_LED_OFF : URTW_LED_ON; + usb_callout_reset(&sc->sc_led_ch, hz, urtw_led_ch, sc); + break; + case URTW_LED_POWER_ON_BLINK: + urtw_led_on(sc, URTW_LED_GPIO); + urtw_pause_ms(sc, 100); + urtw_led_off(sc, URTW_LED_GPIO); + break; + default: + DPRINTF(sc, URTW_DEBUG_STATE, + "unknown LED status 0x%x", sc->sc_gpio_ledstate); + return (USB_ERR_INVAL); + } + return (0); +} + +static usb_error_t +urtw_led_mode1(struct urtw_softc *sc, int mode) +{ + return (USB_ERR_INVAL); +} + +static usb_error_t +urtw_led_mode2(struct urtw_softc *sc, int mode) +{ + return (USB_ERR_INVAL); +} + +static usb_error_t +urtw_led_mode3(struct urtw_softc *sc, int mode) +{ + return (USB_ERR_INVAL); +} + +static usb_error_t +urtw_led_on(struct urtw_softc *sc, int type) +{ + usb_error_t error; + + if (type == URTW_LED_GPIO) { + switch (sc->sc_gpio_ledpin) { + case URTW_LED_PIN_GPIO0: + urtw_write8_m(sc, URTW_GPIO, 0x01); + urtw_write8_m(sc, URTW_GP_ENABLE, 0x00); + break; + default: + DPRINTF(sc, URTW_DEBUG_STATE, + "unsupported LED PIN type 0x%x", + sc->sc_gpio_ledpin); + error = USB_ERR_INVAL; + goto fail; + } + } else { + DPRINTF(sc, URTW_DEBUG_STATE, + "unsupported LED type 0x%x", type); + error = USB_ERR_INVAL; + goto fail; + } + + sc->sc_gpio_ledon = 1; +fail: + return (error); +} + +static usb_error_t +urtw_led_off(struct urtw_softc *sc, int type) +{ + usb_error_t error; + + if (type == URTW_LED_GPIO) { + switch (sc->sc_gpio_ledpin) { + case URTW_LED_PIN_GPIO0: + urtw_write8_m(sc, URTW_GPIO, URTW_GPIO_DATA_MAGIC1); + urtw_write8_m(sc, + URTW_GP_ENABLE, URTW_GP_ENABLE_DATA_MAGIC1); + break; + default: + DPRINTF(sc, URTW_DEBUG_STATE, + "unsupported LED PIN type 0x%x", + sc->sc_gpio_ledpin); + error = USB_ERR_INVAL; + goto fail; + } + } else { + DPRINTF(sc, URTW_DEBUG_STATE, + "unsupported LED type 0x%x", type); + error = USB_ERR_INVAL; + goto fail; + } + + sc->sc_gpio_ledon = 0; + +fail: + return (error); +} + +static void +urtw_led_ch(void *arg) +{ + struct urtw_softc *sc = arg; + struct ieee80211com *ic = &sc->sc_ic; + + ieee80211_runtask(ic, &sc->sc_led_task); +} + +static void +urtw_ledtask(void *arg, int pending) +{ + struct urtw_softc *sc = arg; + + if (sc->sc_strategy != URTW_SW_LED_MODE0) { + DPRINTF(sc, URTW_DEBUG_STATE, + "could not process a LED strategy 0x%x", + sc->sc_strategy); + return; + } + + URTW_LOCK(sc); + urtw_led_blink(sc); + URTW_UNLOCK(sc); +} + +static usb_error_t +urtw_led_blink(struct urtw_softc *sc) +{ + uint8_t ing = 0; + + if (sc->sc_gpio_blinkstate == URTW_LED_ON) + urtw_led_on(sc, URTW_LED_GPIO); + else + urtw_led_off(sc, URTW_LED_GPIO); + sc->sc_gpio_blinktime--; + if (sc->sc_gpio_blinktime == 0) + ing = 1; + else { + if (sc->sc_gpio_ledstate != URTW_LED_BLINK_NORMAL && + sc->sc_gpio_ledstate != URTW_LED_BLINK_SLOWLY && + sc->sc_gpio_ledstate != URTW_LED_BLINK_CM3) + ing = 1; + } + if (ing == 1) { + if (sc->sc_gpio_ledstate == URTW_LED_ON && + sc->sc_gpio_ledon == 0) + urtw_led_on(sc, URTW_LED_GPIO); + else if (sc->sc_gpio_ledstate == URTW_LED_OFF && + sc->sc_gpio_ledon == 1) + urtw_led_off(sc, URTW_LED_GPIO); + + sc->sc_gpio_blinktime = 0; + sc->sc_gpio_ledinprogress = 0; + return (0); + } + + sc->sc_gpio_blinkstate = (sc->sc_gpio_blinkstate != URTW_LED_ON) ? + URTW_LED_ON : URTW_LED_OFF; + + switch (sc->sc_gpio_ledstate) { + case URTW_LED_BLINK_NORMAL: + usb_callout_reset(&sc->sc_led_ch, hz, urtw_led_ch, sc); + break; + default: + DPRINTF(sc, URTW_DEBUG_STATE, + "unknown LED status 0x%x", + sc->sc_gpio_ledstate); + return (USB_ERR_INVAL); + } + return (0); +} + +static usb_error_t +urtw_rx_enable(struct urtw_softc *sc) +{ + uint8_t data; + usb_error_t error; + + usbd_transfer_start((sc->sc_flags & URTW_RTL8187B) ? + sc->sc_xfer[URTW_8187B_BULK_RX] : sc->sc_xfer[URTW_8187L_BULK_RX]); + + error = urtw_rx_setconf(sc); + if (error != 0) + goto fail; + + if ((sc->sc_flags & URTW_RTL8187B) == 0) { + urtw_read8_m(sc, URTW_CMD, &data); + urtw_write8_m(sc, URTW_CMD, data | URTW_CMD_RX_ENABLE); + } +fail: + return (error); +} + +static usb_error_t +urtw_tx_enable(struct urtw_softc *sc) +{ + uint8_t data8; + uint32_t data; + usb_error_t error; + + if (sc->sc_flags & URTW_RTL8187B) { + urtw_read32_m(sc, URTW_TX_CONF, &data); + data &= ~URTW_TX_LOOPBACK_MASK; + data &= ~(URTW_TX_DPRETRY_MASK | URTW_TX_RTSRETRY_MASK); + data &= ~(URTW_TX_NOCRC | URTW_TX_MXDMA_MASK); + data &= ~URTW_TX_SWPLCPLEN; + data |= URTW_TX_HW_SEQNUM | URTW_TX_DISREQQSIZE | + (7 << 8) | /* short retry limit */ + (7 << 0) | /* long retry limit */ + (7 << 21); /* MAX TX DMA */ + urtw_write32_m(sc, URTW_TX_CONF, data); + + urtw_read8_m(sc, URTW_MSR, &data8); + data8 |= URTW_MSR_LINK_ENEDCA; + urtw_write8_m(sc, URTW_MSR, data8); + return (error); + } + + urtw_read8_m(sc, URTW_CW_CONF, &data8); + data8 &= ~(URTW_CW_CONF_PERPACKET_CW | URTW_CW_CONF_PERPACKET_RETRY); + urtw_write8_m(sc, URTW_CW_CONF, data8); + + urtw_read8_m(sc, URTW_TX_AGC_CTL, &data8); + data8 &= ~URTW_TX_AGC_CTL_PERPACKET_GAIN; + data8 &= ~URTW_TX_AGC_CTL_PERPACKET_ANTSEL; + data8 &= ~URTW_TX_AGC_CTL_FEEDBACK_ANT; + urtw_write8_m(sc, URTW_TX_AGC_CTL, data8); + + urtw_read32_m(sc, URTW_TX_CONF, &data); + data &= ~URTW_TX_LOOPBACK_MASK; + data |= URTW_TX_LOOPBACK_NONE; + data &= ~(URTW_TX_DPRETRY_MASK | URTW_TX_RTSRETRY_MASK); + data |= sc->sc_tx_retry << URTW_TX_DPRETRY_SHIFT; + data |= sc->sc_rts_retry << URTW_TX_RTSRETRY_SHIFT; + data &= ~(URTW_TX_NOCRC | URTW_TX_MXDMA_MASK); + data |= URTW_TX_MXDMA_2048 | URTW_TX_CWMIN | URTW_TX_DISCW; + data &= ~URTW_TX_SWPLCPLEN; + data |= URTW_TX_NOICV; + urtw_write32_m(sc, URTW_TX_CONF, data); + + urtw_read8_m(sc, URTW_CMD, &data8); + urtw_write8_m(sc, URTW_CMD, data8 | URTW_CMD_TX_ENABLE); +fail: + return (error); +} + +static usb_error_t +urtw_rx_setconf(struct urtw_softc *sc) +{ + struct ieee80211com *ic = &sc->sc_ic; + uint32_t data; + usb_error_t error; + + urtw_read32_m(sc, URTW_RX, &data); + data = data &~ URTW_RX_FILTER_MASK; + if (sc->sc_flags & URTW_RTL8187B) { + data = data | URTW_RX_FILTER_MNG | URTW_RX_FILTER_DATA | + URTW_RX_FILTER_MCAST | URTW_RX_FILTER_BCAST | + URTW_RX_FIFO_THRESHOLD_NONE | + URTW_MAX_RX_DMA_2048 | + URTW_RX_AUTORESETPHY | URTW_RCR_ONLYERLPKT; + } else { + data = data | URTW_RX_FILTER_MNG | URTW_RX_FILTER_DATA; + data = data | URTW_RX_FILTER_BCAST | URTW_RX_FILTER_MCAST; + + if (ic->ic_opmode == IEEE80211_M_MONITOR) { + data = data | URTW_RX_FILTER_ICVERR; + data = data | URTW_RX_FILTER_PWR; + } + if (sc->sc_crcmon == 1 && ic->ic_opmode == IEEE80211_M_MONITOR) + data = data | URTW_RX_FILTER_CRCERR; + + data = data &~ URTW_RX_FIFO_THRESHOLD_MASK; + data = data | URTW_RX_FIFO_THRESHOLD_NONE | + URTW_RX_AUTORESETPHY; + data = data &~ URTW_MAX_RX_DMA_MASK; + data = data | URTW_MAX_RX_DMA_2048 | URTW_RCR_ONLYERLPKT; + } + + /* XXX allmulti should not be checked here... */ + if (ic->ic_opmode == IEEE80211_M_MONITOR || + ic->ic_promisc > 0 || ic->ic_allmulti > 0) { + data = data | URTW_RX_FILTER_CTL; + data = data | URTW_RX_FILTER_ALLMAC; + } else { + data = data | URTW_RX_FILTER_NICMAC; + data = data | URTW_RX_CHECK_BSSID; + } + + urtw_write32_m(sc, URTW_RX, data); +fail: + return (error); +} + +static struct mbuf * +urtw_rxeof(struct usb_xfer *xfer, struct urtw_data *data, int *rssi_p, + int8_t *nf_p) +{ + int actlen, flen, rssi; + struct ieee80211_frame *wh; + struct mbuf *m, *mnew; + struct urtw_softc *sc = data->sc; + struct ieee80211com *ic = &sc->sc_ic; + uint8_t noise = 0, rate; + uint64_t mactime; + + usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); + + if (sc->sc_flags & URTW_RTL8187B) { + struct urtw_8187b_rxhdr *rx; + + if (actlen < sizeof(*rx) + IEEE80211_ACK_LEN) + goto fail; + + rx = (struct urtw_8187b_rxhdr *)(data->buf + + (actlen - (sizeof(struct urtw_8187b_rxhdr)))); + flen = le32toh(rx->flag) & 0xfff; + if (flen > actlen - sizeof(*rx)) + goto fail; + + rate = (le32toh(rx->flag) >> URTW_RX_FLAG_RXRATE_SHIFT) & 0xf; + /* XXX correct? */ + rssi = rx->rssi & URTW_RX_RSSI_MASK; + noise = rx->noise; + + if (ieee80211_radiotap_active(ic)) + mactime = rx->mactime; + } else { + struct urtw_8187l_rxhdr *rx; + + if (actlen < sizeof(*rx) + IEEE80211_ACK_LEN) + goto fail; + + rx = (struct urtw_8187l_rxhdr *)(data->buf + + (actlen - (sizeof(struct urtw_8187l_rxhdr)))); + flen = le32toh(rx->flag) & 0xfff; + if (flen > actlen - sizeof(*rx)) + goto fail; + + rate = (le32toh(rx->flag) >> URTW_RX_FLAG_RXRATE_SHIFT) & 0xf; + /* XXX correct? */ + rssi = rx->rssi & URTW_RX_8187L_RSSI_MASK; + noise = rx->noise; + + if (ieee80211_radiotap_active(ic)) + mactime = rx->mactime; + } + + if (flen < IEEE80211_ACK_LEN) + goto fail; + + mnew = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); + if (mnew == NULL) + goto fail; + + m = data->m; + data->m = mnew; + data->buf = mtod(mnew, uint8_t *); + + /* finalize mbuf */ + m->m_pkthdr.len = m->m_len = flen - IEEE80211_CRC_LEN; + + if (ieee80211_radiotap_active(ic)) { + struct urtw_rx_radiotap_header *tap = &sc->sc_rxtap; + + tap->wr_tsf = mactime; + tap->wr_flags = 0; + tap->wr_dbm_antsignal = (int8_t)rssi; + } + + wh = mtod(m, struct ieee80211_frame *); + if (IEEE80211_IS_DATA(wh)) + sc->sc_currate = (rate > 0) ? rate : sc->sc_currate; + + *rssi_p = rssi; + *nf_p = noise; /* XXX correct? */ + + return (m); + +fail: + counter_u64_add(ic->ic_ierrors, 1); + return (NULL); +} + +static void +urtw_bulk_rx_callback(struct usb_xfer *xfer, usb_error_t error) +{ + struct urtw_softc *sc = usbd_xfer_softc(xfer); + struct ieee80211com *ic = &sc->sc_ic; + struct ieee80211_node *ni; + struct mbuf *m = NULL; + struct urtw_data *data; + int8_t nf = -95; + int rssi = 1; + + URTW_ASSERT_LOCKED(sc); + + switch (USB_GET_STATE(xfer)) { + case USB_ST_TRANSFERRED: + data = STAILQ_FIRST(&sc->sc_rx_active); + if (data == NULL) + goto setup; + STAILQ_REMOVE_HEAD(&sc->sc_rx_active, next); + m = urtw_rxeof(xfer, data, &rssi, &nf); + STAILQ_INSERT_TAIL(&sc->sc_rx_inactive, data, next); + /* FALLTHROUGH */ + case USB_ST_SETUP: +setup: + data = STAILQ_FIRST(&sc->sc_rx_inactive); + if (data == NULL) { + KASSERT(m == NULL, ("mbuf isn't NULL")); + return; + } + STAILQ_REMOVE_HEAD(&sc->sc_rx_inactive, next); + STAILQ_INSERT_TAIL(&sc->sc_rx_active, data, next); + usbd_xfer_set_frame_data(xfer, 0, data->buf, + usbd_xfer_max_len(xfer)); + usbd_transfer_submit(xfer); + + /* + * To avoid LOR we should unlock our private mutex here to call + * ieee80211_input() because here is at the end of a USB + * callback and safe to unlock. + */ + URTW_UNLOCK(sc); + if (m != NULL) { + if (m->m_pkthdr.len >= + sizeof(struct ieee80211_frame_min)) { + ni = ieee80211_find_rxnode(ic, + mtod(m, struct ieee80211_frame_min *)); + } else + ni = NULL; + + if (ni != NULL) { + (void) ieee80211_input(ni, m, rssi, nf); + /* node is no longer needed */ + ieee80211_free_node(ni); + } else + (void) ieee80211_input_all(ic, m, rssi, nf); + m = NULL; + } + URTW_LOCK(sc); + break; + default: + /* needs it to the inactive queue due to a error. */ + data = STAILQ_FIRST(&sc->sc_rx_active); + if (data != NULL) { + STAILQ_REMOVE_HEAD(&sc->sc_rx_active, next); + STAILQ_INSERT_TAIL(&sc->sc_rx_inactive, data, next); + } + if (error != USB_ERR_CANCELLED) { + usbd_xfer_set_stall(xfer); + counter_u64_add(ic->ic_ierrors, 1); + goto setup; + } + break; + } +} + +#define URTW_STATUS_TYPE_TXCLOSE 1 +#define URTW_STATUS_TYPE_BEACON_INTR 0 + +static void +urtw_txstatus_eof(struct usb_xfer *xfer) +{ + struct urtw_softc *sc = usbd_xfer_softc(xfer); + struct ieee80211com *ic = &sc->sc_ic; + int actlen, type, pktretry; + uint64_t val; + + usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); + + if (actlen != sizeof(uint64_t)) + return; + + val = le64toh(sc->sc_txstatus); + type = (val >> 30) & 0x3; + if (type == URTW_STATUS_TYPE_TXCLOSE) { + pktretry = val & 0xff; + if (pktretry == URTW_TX_MAXRETRY) + counter_u64_add(ic->ic_oerrors, 1); + DPRINTF(sc, URTW_DEBUG_TXSTATUS, "pktretry %d seq %#x\n", + pktretry, (val >> 16) & 0xff); + } +} + +static void +urtw_bulk_tx_status_callback(struct usb_xfer *xfer, usb_error_t error) +{ + struct urtw_softc *sc = usbd_xfer_softc(xfer); + struct ieee80211com *ic = &sc->sc_ic; + void *dma_buf = usbd_xfer_get_frame_buffer(xfer, 0); + + URTW_ASSERT_LOCKED(sc); + + switch (USB_GET_STATE(xfer)) { + case USB_ST_TRANSFERRED: + urtw_txstatus_eof(xfer); + /* FALLTHROUGH */ + case USB_ST_SETUP: +setup: + memcpy(dma_buf, &sc->sc_txstatus, sizeof(uint64_t)); + usbd_xfer_set_frame_len(xfer, 0, sizeof(uint64_t)); + usbd_transfer_submit(xfer); + break; + default: + if (error != USB_ERR_CANCELLED) { + usbd_xfer_set_stall(xfer); + counter_u64_add(ic->ic_ierrors, 1); + goto setup; + } + break; + } +} + +static void +urtw_txeof(struct usb_xfer *xfer, struct urtw_data *data) +{ + struct urtw_softc *sc = usbd_xfer_softc(xfer); + + URTW_ASSERT_LOCKED(sc); + + if (data->m) { + /* XXX status? */ + ieee80211_tx_complete(data->ni, data->m, 0); + data->m = NULL; + data->ni = NULL; + } + sc->sc_txtimer = 0; +} + +static void +urtw_bulk_tx_callback(struct usb_xfer *xfer, usb_error_t error) +{ + struct urtw_softc *sc = usbd_xfer_softc(xfer); + struct urtw_data *data; + + URTW_ASSERT_LOCKED(sc); + + switch (USB_GET_STATE(xfer)) { + case USB_ST_TRANSFERRED: + data = STAILQ_FIRST(&sc->sc_tx_active); + if (data == NULL) + goto setup; + STAILQ_REMOVE_HEAD(&sc->sc_tx_active, next); + urtw_txeof(xfer, data); + STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data, next); + /* FALLTHROUGH */ + case USB_ST_SETUP: +setup: + data = STAILQ_FIRST(&sc->sc_tx_pending); + if (data == NULL) { + DPRINTF(sc, URTW_DEBUG_XMIT, + "%s: empty pending queue\n", __func__); + return; + } + STAILQ_REMOVE_HEAD(&sc->sc_tx_pending, next); + STAILQ_INSERT_TAIL(&sc->sc_tx_active, data, next); + + usbd_xfer_set_frame_data(xfer, 0, data->buf, data->buflen); + usbd_transfer_submit(xfer); + + urtw_start(sc); + break; + default: + data = STAILQ_FIRST(&sc->sc_tx_active); + if (data == NULL) + goto setup; + if (data->ni != NULL) { + if_inc_counter(data->ni->ni_vap->iv_ifp, + IFCOUNTER_OERRORS, 1); + ieee80211_free_node(data->ni); + data->ni = NULL; + } + if (error != USB_ERR_CANCELLED) { + usbd_xfer_set_stall(xfer); + goto setup; + } + break; + } +} + +static struct urtw_data * +_urtw_getbuf(struct urtw_softc *sc) +{ + struct urtw_data *bf; + + bf = STAILQ_FIRST(&sc->sc_tx_inactive); + if (bf != NULL) + STAILQ_REMOVE_HEAD(&sc->sc_tx_inactive, next); + else + bf = NULL; + if (bf == NULL) + DPRINTF(sc, URTW_DEBUG_XMIT, "%s: %s\n", __func__, + "out of xmit buffers"); + return (bf); +} + +static struct urtw_data * +urtw_getbuf(struct urtw_softc *sc) +{ + struct urtw_data *bf; + + URTW_ASSERT_LOCKED(sc); + + bf = _urtw_getbuf(sc); + if (bf == NULL) + DPRINTF(sc, URTW_DEBUG_XMIT, "%s: stop queue\n", __func__); + return (bf); +} + +static int +urtw_isbmode(uint16_t rate) +{ + + return ((rate <= 22 && rate != 12 && rate != 18) || + rate == 44) ? (1) : (0); +} + +static uint16_t +urtw_rate2dbps(uint16_t rate) +{ + + switch(rate) { + case 12: + case 18: + case 24: + case 36: + case 48: + case 72: + case 96: + case 108: + return (rate * 2); + default: + break; + } + return (24); +} + +static int +urtw_compute_txtime(uint16_t framelen, uint16_t rate, + uint8_t ismgt, uint8_t isshort) +{ + uint16_t ceiling, frametime, n_dbps; + + if (urtw_isbmode(rate)) { + if (ismgt || !isshort || rate == 2) + frametime = (uint16_t)(144 + 48 + + (framelen * 8 / (rate / 2))); + else + frametime = (uint16_t)(72 + 24 + + (framelen * 8 / (rate / 2))); + if ((framelen * 8 % (rate / 2)) != 0) + frametime++; + } else { + n_dbps = urtw_rate2dbps(rate); + ceiling = (16 + 8 * framelen + 6) / n_dbps + + (((16 + 8 * framelen + 6) % n_dbps) ? 1 : 0); + frametime = (uint16_t)(16 + 4 + 4 * ceiling + 6); + } + return (frametime); +} + +/* + * Callback from the 802.11 layer to update the + * slot time based on the current setting. + */ +static void +urtw_updateslot(struct ieee80211com *ic) +{ + struct urtw_softc *sc = ic->ic_softc; + + ieee80211_runtask(ic, &sc->sc_updateslot_task); +} + +static void +urtw_updateslottask(void *arg, int pending) +{ + struct urtw_softc *sc = arg; + struct ieee80211com *ic = &sc->sc_ic; + int error; + + URTW_LOCK(sc); + if ((sc->sc_flags & URTW_RUNNING) == 0) { + URTW_UNLOCK(sc); + return; + } + if (sc->sc_flags & URTW_RTL8187B) { + urtw_write8_m(sc, URTW_SIFS, 0x22); + if (IEEE80211_IS_CHAN_ANYG(ic->ic_curchan)) + urtw_write8_m(sc, URTW_SLOT, IEEE80211_DUR_SHSLOT); + else + urtw_write8_m(sc, URTW_SLOT, IEEE80211_DUR_SLOT); + urtw_write8_m(sc, URTW_8187B_EIFS, 0x5b); + urtw_write8_m(sc, URTW_CARRIER_SCOUNT, 0x5b); + } else { + urtw_write8_m(sc, URTW_SIFS, 0x22); + if (sc->sc_state == IEEE80211_S_ASSOC && + ic->ic_flags & IEEE80211_F_SHSLOT) + urtw_write8_m(sc, URTW_SLOT, IEEE80211_DUR_SHSLOT); + else + urtw_write8_m(sc, URTW_SLOT, IEEE80211_DUR_SLOT); + if (IEEE80211_IS_CHAN_ANYG(ic->ic_curchan)) { + urtw_write8_m(sc, URTW_DIFS, 0x14); + urtw_write8_m(sc, URTW_EIFS, 0x5b - 0x14); + urtw_write8_m(sc, URTW_CW_VAL, 0x73); + } else { + urtw_write8_m(sc, URTW_DIFS, 0x24); + urtw_write8_m(sc, URTW_EIFS, 0x5b - 0x24); + urtw_write8_m(sc, URTW_CW_VAL, 0xa5); + } + } +fail: + URTW_UNLOCK(sc); +} + +static void +urtw_sysctl_node(struct urtw_softc *sc) +{ +#define URTW_SYSCTL_STAT_ADD32(c, h, n, p, d) \ + SYSCTL_ADD_UINT(c, h, OID_AUTO, n, CTLFLAG_RD, p, 0, d) + struct sysctl_ctx_list *ctx; + struct sysctl_oid_list *child, *parent; + struct sysctl_oid *tree; + struct urtw_stats *stats = &sc->sc_stats; + + ctx = device_get_sysctl_ctx(sc->sc_dev); + child = SYSCTL_CHILDREN(device_get_sysctl_tree(sc->sc_dev)); + + tree = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "stats", + CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "URTW statistics"); + parent = SYSCTL_CHILDREN(tree); + + /* Tx statistics. */ + tree = SYSCTL_ADD_NODE(ctx, parent, OID_AUTO, "tx", + CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "Tx MAC statistics"); + child = SYSCTL_CHILDREN(tree); + URTW_SYSCTL_STAT_ADD32(ctx, child, "1m", &stats->txrates[0], + "1 Mbit/s"); + URTW_SYSCTL_STAT_ADD32(ctx, child, "2m", &stats->txrates[1], + "2 Mbit/s"); + URTW_SYSCTL_STAT_ADD32(ctx, child, "5.5m", &stats->txrates[2], + "5.5 Mbit/s"); + URTW_SYSCTL_STAT_ADD32(ctx, child, "6m", &stats->txrates[4], + "6 Mbit/s"); + URTW_SYSCTL_STAT_ADD32(ctx, child, "9m", &stats->txrates[5], + "9 Mbit/s"); + URTW_SYSCTL_STAT_ADD32(ctx, child, "11m", &stats->txrates[3], + "11 Mbit/s"); + URTW_SYSCTL_STAT_ADD32(ctx, child, "12m", &stats->txrates[6], + "12 Mbit/s"); + URTW_SYSCTL_STAT_ADD32(ctx, child, "18m", &stats->txrates[7], + "18 Mbit/s"); + URTW_SYSCTL_STAT_ADD32(ctx, child, "24m", &stats->txrates[8], + "24 Mbit/s"); + URTW_SYSCTL_STAT_ADD32(ctx, child, "36m", &stats->txrates[9], + "36 Mbit/s"); + URTW_SYSCTL_STAT_ADD32(ctx, child, "48m", &stats->txrates[10], + "48 Mbit/s"); + URTW_SYSCTL_STAT_ADD32(ctx, child, "54m", &stats->txrates[11], + "54 Mbit/s"); +#undef URTW_SYSCTL_STAT_ADD32 +} + +static device_method_t urtw_methods[] = { + DEVMETHOD(device_probe, urtw_match), + DEVMETHOD(device_attach, urtw_attach), + DEVMETHOD(device_detach, urtw_detach), + DEVMETHOD_END +}; + +static driver_t urtw_driver = { + .name = "urtw", + .methods = urtw_methods, + .size = sizeof(struct urtw_softc) +}; + +DRIVER_MODULE(urtw, uhub, urtw_driver, NULL, NULL); +MODULE_DEPEND(urtw, wlan, 1, 1, 1); +MODULE_DEPEND(urtw, usb, 1, 1, 1); +MODULE_VERSION(urtw, 1); +USB_PNP_HOST_INFO(urtw_devs); |