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/*-
* 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 <sys/cdefs.h>
__FBSDID("$FreeBSD: release/9.1.0/sys/dev/usb/wlan/if_urtw.c 235000 2012-05-04 15:05:30Z hselasky $");
#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 <machine/bus.h>
#include <machine/resource.h>
#include <sys/rman.h>
#include <net/if.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>
SYSCTL_NODE(_hw_usb, OID_AUTO, urtw, CTLFLAG_RW, 0, "USB Realtek 8187L");
#ifdef URTW_DEBUG
int urtw_debug = 0;
SYSCTL_INT(_hw_usb_urtw, OID_AUTO, debug, CTLFLAG_RW, &urtw_debug, 0,
"control debugging printfs");
TUNABLE_INT("hw.usb.urtw.debug", &urtw_debug);
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_RW,
&urtw_preamble_mode, 0, "set the preable mode (long or short)");
TUNABLE_INT("hw.usb.urtw.preamble_mode", &urtw_preamble_mode);
/* 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 }
};
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 }
};
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 = MCLBYTES,
.flags = {
.ext_buffer = 1,
.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,
.flags = {
.ext_buffer = 1,
.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,
.flags = {
.ext_buffer = 1,
.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(void *);
static void urtw_stop(struct ifnet *, int);
static void urtw_stop_locked(struct ifnet *, int);
static int urtw_ioctl(struct ifnet *, u_long, caddr_t);
static void urtw_start(struct ifnet *);
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_set_channel(struct ieee80211com *);
static void urtw_update_mcast(struct ifnet *);
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_rate2rtl(uint32_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_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 ifnet *);
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;
struct ifnet *ifp;
uint8_t bands, 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);
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;
}
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 = 3;
sc->sc_preamble_mode = urtw_preamble_mode;
ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211);
if (ifp == NULL) {
device_printf(sc->sc_dev, "can not allocate ifnet\n");
ret = ENOMEM;
goto fail1;
}
ifp->if_softc = sc;
if_initname(ifp, "urtw", device_get_unit(sc->sc_dev));
ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
ifp->if_init = urtw_init;
ifp->if_ioctl = urtw_ioctl;
ifp->if_start = urtw_start;
/* XXX URTW_TX_DATA_LIST_COUNT */
IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen);
ifp->if_snd.ifq_drv_maxlen = ifqmaxlen;
IFQ_SET_READY(&ifp->if_snd);
ic = ifp->if_l2com;
ic->ic_ifp = ifp;
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 */
bands = 0;
setbit(&bands, IEEE80211_MODE_11B);
setbit(&bands, IEEE80211_MODE_11G);
ieee80211_init_channels(ic, NULL, &bands);
ieee80211_ifattach(ic, sc->sc_bssid);
ic->ic_raw_xmit = urtw_raw_xmit;
ic->ic_scan_start = urtw_scan_start;
ic->ic_scan_end = urtw_scan_end;
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_mcast = urtw_update_mcast;
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);
fail1: 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 ifnet *ifp = sc->sc_ifp;
struct ieee80211com *ic = ifp->if_l2com;
if (!device_is_attached(dev))
return (0);
urtw_stop(ifp, 1);
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);
usbd_transfer_unsetup(sc->sc_xfer, (sc->sc_flags & URTW_RTL8187B) ?
URTW_8187B_N_XFERS : URTW_8187L_N_XFERS);
ieee80211_ifdetach(ic);
urtw_free_tx_data_list(sc);
urtw_free_rx_data_list(sc);
if_free(ifp);
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 {
if (dp->buf != NULL) {
free(dp->buf, M_USBDEV);
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 = (struct urtw_vap *) malloc(sizeof(struct urtw_vap),
M_80211_VAP, M_NOWAIT | M_ZERO);
if (uvp == NULL)
return (NULL);
vap = &uvp->vap;
/* enable s/w bmiss handling for sta mode */
ieee80211_vap_setup(ic, vap, name, unit, opmode,
flags | IEEE80211_CLONE_NOBEACONS, bssid, mac);
/* 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);
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_locked(void *arg)
{
int ret;
struct urtw_softc *sc = arg;
struct ifnet *ifp = sc->sc_ifp;
usb_error_t error;
if (ifp->if_drv_flags & IFF_DRV_RUNNING)
urtw_stop_locked(ifp, 0);
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]);
ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
ifp->if_drv_flags |= IFF_DRV_RUNNING;
callout_reset(&sc->sc_watchdog_ch, hz, urtw_watchdog, sc);
fail:
return;
}
static void
urtw_init(void *arg)
{
struct urtw_softc *sc = arg;
URTW_LOCK(sc);
urtw_init_locked(arg);
URTW_UNLOCK(sc);
}
static usb_error_t
urtw_adapter_start_b(struct urtw_softc *sc)
{
#define N(a) ((int)(sizeof(a) / sizeof((a)[0])))
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);
#undef N
}
static usb_error_t
urtw_adapter_start(struct urtw_softc *sc)
{
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. */
urtw_write32_m(sc, URTW_MAC0, ((uint32_t *)sc->sc_bssid)[0]);
urtw_write16_m(sc, URTW_MAC4, ((uint32_t *)sc->sc_bssid)[1] & 0xffff);
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 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++) {
usb_pause_mtx(&sc->sc_mtx, 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));
usb_pause_mtx(&sc->sc_mtx, hz / 100);
}
return (err);
}
static void
urtw_stop_locked(struct ifnet *ifp, int disable)
{
struct urtw_softc *sc = ifp->if_softc;
uint8_t data8;
usb_error_t error;
(void)disable;
ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
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_stop(struct ifnet *ifp, int disable)
{
struct urtw_softc *sc = ifp->if_softc;
URTW_LOCK(sc);
urtw_stop_locked(ifp, disable);
URTW_UNLOCK(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 int
urtw_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
{
struct urtw_softc *sc = ifp->if_softc;
struct ieee80211com *ic = ifp->if_l2com;
struct ifreq *ifr = (struct ifreq *) data;
int error = 0, startall = 0;
switch (cmd) {
case SIOCSIFFLAGS:
if (ifp->if_flags & IFF_UP) {
if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
if ((ifp->if_flags ^ sc->sc_if_flags) &
(IFF_ALLMULTI | IFF_PROMISC))
urtw_set_multi(sc);
} else {
urtw_init(ifp->if_softc);
startall = 1;
}
} else {
if (ifp->if_drv_flags & IFF_DRV_RUNNING)
urtw_stop(ifp, 1);
}
sc->sc_if_flags = ifp->if_flags;
if (startall)
ieee80211_start_all(ic);
break;
case SIOCGIFMEDIA:
error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd);
break;
case SIOCGIFADDR:
error = ether_ioctl(ifp, cmd, data);
break;
default:
error = EINVAL;
break;
}
return (error);
}
static void
urtw_start(struct ifnet *ifp)
{
struct urtw_data *bf;
struct urtw_softc *sc = ifp->if_softc;
struct ieee80211_node *ni;
struct mbuf *m;
if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
return;
URTW_LOCK(sc);
for (;;) {
IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
if (m == NULL)
break;
bf = urtw_getbuf(sc);
if (bf == NULL) {
IFQ_DRV_PREPEND(&ifp->if_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) {
ifp->if_oerrors++;
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);
}
URTW_UNLOCK(sc);
}
static int
urtw_alloc_data_list(struct urtw_softc *sc, struct urtw_data data[],
int ndata, int maxsz, int fillmbuf)
{
int i, error;
for (i = 0; i < ndata; i++) {
struct urtw_data *dp = &data[i];
dp->sc = sc;
if (fillmbuf) {
dp->m = m_getcl(M_DONTWAIT, 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 = malloc(maxsz, M_USBDEV, M_NOWAIT);
if (dp->buf == NULL) {
device_printf(sc->sc_dev,
"could not allocate buffer\n");
error = ENOMEM;
goto fail;
}
if (((unsigned long)dp->buf) % 4)
device_printf(sc->sc_dev,
"warn: unaligned buffer %p\n", dp->buf);
}
dp->ni = NULL;
}
return 0;
fail: urtw_free_data_list(sc, data, ndata, fillmbuf);
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, 1 /* 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,
0 /* 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 ifnet *ifp = ic->ic_ifp;
struct urtw_data *bf;
struct urtw_softc *sc = ifp->if_softc;
/* prevent management frames from being sent if we're not ready */
if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) {
m_freem(m);
ieee80211_free_node(ni);
return ENETDOWN;
}
URTW_LOCK(sc);
bf = urtw_getbuf(sc);
if (bf == NULL) {
ieee80211_free_node(ni);
m_freem(m);
URTW_UNLOCK(sc);
return (ENOBUFS); /* XXX */
}
ifp->if_opackets++;
if (urtw_tx_start(sc, ni, m, bf, URTW_PRIORITY_LOW) != 0) {
ieee80211_free_node(ni);
ifp->if_oerrors++;
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_set_channel(struct ieee80211com *ic)
{
struct urtw_softc *sc = ic->ic_ifp->if_softc;
struct ifnet *ifp = sc->sc_ifp;
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 (!(ifp->if_drv_flags & IFF_DRV_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;
usb_pause_mtx(&sc->sc_mtx, 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_mcast(struct ifnet *ifp)
{
/* 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 ifnet *ifp = sc->sc_ifp;
struct ieee80211_frame *wh = mtod(m0, struct ieee80211_frame *);
struct ieee80211_key *k;
const struct ieee80211_txparam *tp;
struct ieee80211com *ic = ifp->if_l2com;
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,
pkttime = 0, txdur = 0, isshort = 0, xferlen;
uint16_t acktime, rtstime, ctstime;
uint32_t flags;
usb_error_t error;
URTW_ASSERT_LOCKED(sc);
/*
* Software crypto.
*/
if (wh->i_fc[1] & IEEE80211_FC1_WEP) {
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;
/* XXX Are variables correct? */
tap->wt_flags = 0;
tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq);
tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags);
ieee80211_radiotap_tx(vap, m0);
}
if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_MGT ||
(wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_CTL) {
tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)];
rate = tp->mgmtrate;
} else {
tp = &vap->iv_txparms[ieee80211_chan2mode(ni->ni_chan)];
/* for data frames */
if (IEEE80211_IS_MULTICAST(wh->i_addr1))
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 (IEEE80211_IS_MULTICAST(wh->i_addr1))
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;
}
*(uint16_t *)wh->i_dur = htole16(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_rate2rtl(11) & 0xf) <<
URTW_TX_FLAG_RTSRATE_SHIFT;
tx->rtsdur = rtsdur;
}
tx->flag = htole32(flags);
tx->txdur = txdur;
if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) ==
IEEE80211_FC0_TYPE_MGT &&
(wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) ==
IEEE80211_FC0_SUBTYPE_PROBE_RESP)
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_rate2rtl(11) & 0xf) << 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 (wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) {
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_ifp->if_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 ifnet *ifp = sc->sc_ifp;
if (sc->sc_txtimer > 0) {
if (--sc->sc_txtimer == 0) {
device_printf(sc->sc_dev, "device timeout\n");
ifp->if_oerrors++;
return;
}
callout_reset(&sc->sc_watchdog_ch, hz, urtw_watchdog, sc);
}
}
static void
urtw_set_multi(void *arg)
{
struct urtw_softc *sc = arg;
struct ifnet *ifp = sc->sc_ifp;
if (!(ifp->if_flags & IFF_UP))
return;
/*
* XXX don't know how to set a device. Lack of docs. Just try to set
* IFF_ALLMULTI flag here.
*/
ifp->if_flags |= IFF_ALLMULTI;
}
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_rate2rtl(48);
min_rr_rate = urtw_rate2rtl(12);
max_rr_rate = urtw_rate2rtl(48);
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_rate2rtl(uint32_t rate)
{
#define N(a) ((int)(sizeof(a) / sizeof((a)[0])))
int i;
for (i = 0; i < N(urtw_ratetable); i++) {
if (rate == urtw_ratetable[i].reg)
return urtw_ratetable[i].val;
}
return (3);
#undef N
}
static uint16_t
urtw_rtl2rate(uint32_t rate)
{
#define N(a) ((int)(sizeof(a) / sizeof((a)[0])))
int i;
for (i = 0; i < N(urtw_ratetable); i++) {
if (rate == urtw_ratetable[i].val)
return urtw_ratetable[i].reg;
}
return (0);
#undef N
}
static usb_error_t
urtw_update_msr(struct urtw_softc *sc)
{
struct ifnet *ifp = sc->sc_ifp;
struct ieee80211com *ic = ifp->if_l2com;
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:
panic("unsupported operation mode 0x%x\n",
ic->ic_opmode);
/* never reach */
}
} 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)
{
uint32_t data;
usb_error_t error;
error = urtw_eprom_read32(sc, URTW_EPROM_MACADDR, &data);
if (error != 0)
goto fail;
sc->sc_bssid[0] = data & 0xff;
sc->sc_bssid[1] = (data & 0xff00) >> 8;
error = urtw_eprom_read32(sc, URTW_EPROM_MACADDR + 1, &data);
if (error != 0)
goto fail;
sc->sc_bssid[2] = data & 0xff;
sc->sc_bssid[3] = (data & 0xff00) >> 8;
error = urtw_eprom_read32(sc, URTW_EPROM_MACADDR + 2, &data);
if (error != 0)
goto fail;
sc->sc_bssid[4] = data & 0xff;
sc->sc_bssid[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:
panic("unsupported RF chip %d\n", data & 0xff);
/* never reach */
}
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)
{
#define N(a) ((int)(sizeof(a) / sizeof((a)[0])))
int 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;
usb_pause_mtx(&sc->sc_mtx, 1000);
for (i = 0; i < N(urtw_8225_rf_part1); i++) {
urtw_8225_write(sc, urtw_8225_rf_part1[i].reg,
urtw_8225_rf_part1[i].val);
usb_pause_mtx(&sc->sc_mtx, 1);
}
usb_pause_mtx(&sc->sc_mtx, 100);
urtw_8225_write(sc,
URTW_8225_ADDR_2_MAGIC, URTW_8225_ADDR_2_DATA_MAGIC1);
usb_pause_mtx(&sc->sc_mtx, 200);
urtw_8225_write(sc,
URTW_8225_ADDR_2_MAGIC, URTW_8225_ADDR_2_DATA_MAGIC2);
usb_pause_mtx(&sc->sc_mtx, 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]);
usb_pause_mtx(&sc->sc_mtx, 1);
urtw_8187_write_phy_ofdm(sc, 0xa, (uint8_t)i + 0x80);
usb_pause_mtx(&sc->sc_mtx, 1);
}
for (i = 0; i < N(urtw_8225_rf_part2); i++) {
urtw_8187_write_phy_ofdm(sc, urtw_8225_rf_part2[i].reg,
urtw_8225_rf_part2[i].val);
usb_pause_mtx(&sc->sc_mtx, 1);
}
error = urtw_8225_setgain(sc, 4);
if (error)
goto fail;
for (i = 0; i < N(urtw_8225_rf_part3); i++) {
urtw_8187_write_phy_cck(sc, urtw_8225_rf_part3[i].reg,
urtw_8225_rf_part3[i].val);
usb_pause_mtx(&sc->sc_mtx, 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);
usb_pause_mtx(&sc->sc_mtx, 1);
urtw_8187_write_phy_ofdm(sc, 0x26, 0x90);
usb_pause_mtx(&sc->sc_mtx, 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);
#undef N
}
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);
usb_pause_mtx(&sc->sc_mtx, 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)));
usb_pause_mtx(&sc->sc_mtx, 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);
usb_pause_mtx(&sc->sc_mtx, 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);
usb_pause_mtx(&sc->sc_mtx, 2);
fail:
return (error);
}
/* XXX why we should allocalte memory buffer instead of using memory stack? */
static usb_error_t
urtw_8225_write_s16(struct urtw_softc *sc, uint8_t addr, int index,
uint16_t *data)
{
uint8_t *buf;
uint16_t data16;
struct usb_device_request *req;
usb_error_t error = 0;
data16 = *data;
req = (usb_device_request_t *)malloc(sizeof(usb_device_request_t),
M_80211_VAP, M_NOWAIT | M_ZERO);
if (req == NULL) {
device_printf(sc->sc_dev, "could not allocate a memory\n");
goto fail0;
}
buf = (uint8_t *)malloc(2, M_80211_VAP, M_NOWAIT | M_ZERO);
if (req == NULL) {
device_printf(sc->sc_dev, "could not allocate a memory\n");
goto fail1;
}
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);
free(buf, M_80211_VAP);
fail1: free(req, M_80211_VAP);
fail0: 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]);
usb_pause_mtx(&sc->sc_mtx, 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]);
}
usb_pause_mtx(&sc->sc_mtx, 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]);
usb_pause_mtx(&sc->sc_mtx, 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)
{
#define N(a) ((int)(sizeof(a) / sizeof((a)[0])))
int 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;
usb_pause_mtx(&sc->sc_mtx, 500);
for (i = 0; i < N(urtw_8225v2_rf_part1); i++) {
urtw_8225_write(sc, urtw_8225v2_rf_part1[i].reg,
urtw_8225v2_rf_part1[i].val);
}
usb_pause_mtx(&sc->sc_mtx, 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);
usb_pause_mtx(&sc->sc_mtx, 100);
urtw_8225_write(sc,
URTW_8225_ADDR_2_MAGIC, URTW_8225_ADDR_2_DATA_MAGIC2);
usb_pause_mtx(&sc->sc_mtx, 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);
usb_pause_mtx(&sc->sc_mtx, 100);
urtw_8225_write(sc,
URTW_8225_ADDR_2_MAGIC, URTW_8225_ADDR_2_DATA_MAGIC2);
usb_pause_mtx(&sc->sc_mtx, 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");
}
usb_pause_mtx(&sc->sc_mtx, 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 < N(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 < N(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);
#undef N
}
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]);
usb_pause_mtx(&sc->sc_mtx, 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]);
usb_pause_mtx(&sc->sc_mtx, 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]);
usb_pause_mtx(&sc->sc_mtx, 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]);
usb_pause_mtx(&sc->sc_mtx, 1);
urtw_8187_write_phy_ofdm(sc, 0x1b, gainp[gain * 3 + 1]);
usb_pause_mtx(&sc->sc_mtx, 1);
urtw_8187_write_phy_ofdm(sc, 0x1d, gainp[gain * 3 + 2]);
usb_pause_mtx(&sc->sc_mtx, 1);
urtw_8187_write_phy_ofdm(sc, 0x21, 0x17);
usb_pause_mtx(&sc->sc_mtx, 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);
usb_pause_mtx(&sc->sc_mtx, 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)
{
#define N(a) ((int)(sizeof(a) / sizeof((a)[0])))
int 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. */
urtw_write32_m(sc, URTW_MAC0, ((uint32_t *)sc->sc_bssid)[0]);
urtw_write16_m(sc, URTW_MAC4, ((uint32_t *)sc->sc_bssid)[1] & 0xffff);
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 < N(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);
usb_pause_mtx(&sc->sc_mtx, 1100);
for (i = 0; i < N(urtw_8225v2b_rf_part0); i++) {
urtw_8225_write(sc, urtw_8225v2b_rf_part0[i].reg,
urtw_8225v2b_rf_part0[i].val);
usb_pause_mtx(&sc->sc_mtx, 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));
usb_pause_mtx(&sc->sc_mtx, 1);
urtw_8225_write(sc, URTW_8225_ADDR_2_MAGIC,
urtw_8225v2b_rxgain[i]);
usb_pause_mtx(&sc->sc_mtx, 1);
}
urtw_8225_write(sc, URTW_8225_ADDR_3_MAGIC, 0x080);
usb_pause_mtx(&sc->sc_mtx, 1);
urtw_8225_write(sc, URTW_8225_ADDR_5_MAGIC, 0x004);
usb_pause_mtx(&sc->sc_mtx, 1);
urtw_8225_write(sc, URTW_8225_ADDR_0_MAGIC, 0x0b7);
usb_pause_mtx(&sc->sc_mtx, 1);
usb_pause_mtx(&sc->sc_mtx, 3000);
urtw_8225_write(sc, URTW_8225_ADDR_2_MAGIC, 0xc4d);
usb_pause_mtx(&sc->sc_mtx, 2000);
urtw_8225_write(sc, URTW_8225_ADDR_2_MAGIC, 0x44d);
usb_pause_mtx(&sc->sc_mtx, 1);
urtw_8225_write(sc, URTW_8225_ADDR_0_MAGIC, 0x2bf);
usb_pause_mtx(&sc->sc_mtx, 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 < N(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);
#undef N
}
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]);
usb_pause_mtx(&sc->sc_mtx, 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);
usb_pause_mtx(&sc->sc_mtx, 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);
}
}
usb_pause_mtx(&sc->sc_mtx, 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;
usb_pause_mtx(&sc->sc_mtx, 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;
usb_pause_mtx(&sc->sc_mtx, 100);
urtw_read8_m(sc, URTW_CMD, &data);
data = (data & 0x2) | URTW_CMD_RST;
urtw_write8_m(sc, URTW_CMD, data);
usb_pause_mtx(&sc->sc_mtx, 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;
usb_pause_mtx(&sc->sc_mtx, 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:
panic("unsupported LED mode %d\n", sc->sc_strategy);
/* never reach */
}
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:
panic("unsupported LED mode 0x%x", mode);
/* never reach */
}
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);
usb_pause_mtx(&sc->sc_mtx, 100);
urtw_led_off(sc, URTW_LED_GPIO);
break;
default:
panic("unknown LED status 0x%x", sc->sc_gpio_ledstate);
/* never reach */
}
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:
panic("unsupported LED PIN type 0x%x",
sc->sc_gpio_ledpin);
/* never reach */
}
} else {
panic("unsupported LED type 0x%x", type);
/* never reach */
}
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:
panic("unsupported LED PIN type 0x%x",
sc->sc_gpio_ledpin);
/* never reach */
}
} else {
panic("unsupported LED type 0x%x", type);
/* never reach */
}
sc->sc_gpio_ledon = 0;
fail:
return (error);
}
static void
urtw_led_ch(void *arg)
{
struct urtw_softc *sc = arg;
struct ifnet *ifp = sc->sc_ifp;
struct ieee80211com *ic = ifp->if_l2com;
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)
panic("could not process a LED strategy 0x%x", sc->sc_strategy);
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;
usb_error_t error;
if (sc->sc_gpio_blinkstate == URTW_LED_ON)
error = urtw_led_on(sc, URTW_LED_GPIO);
else
error = 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)
error = urtw_led_on(sc, URTW_LED_GPIO);
else if (sc->sc_gpio_ledstate == URTW_LED_OFF &&
sc->sc_gpio_ledon == 1)
error = 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:
panic("unknown LED status 0x%x", sc->sc_gpio_ledstate);
/* never reach */
}
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 ifnet *ifp = sc->sc_ifp;
struct ieee80211com *ic = ifp->if_l2com;
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_FILTER_NICMAC | URTW_RX_CHECK_BSSID |
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;
if (ic->ic_opmode == IEEE80211_M_MONITOR ||
(ifp->if_flags & (IFF_ALLMULTI | IFF_PROMISC))) {
data = data | URTW_RX_FILTER_ALLMAC;
} else {
data = data | URTW_RX_FILTER_NICMAC;
data = data | URTW_RX_CHECK_BSSID;
}
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;
}
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 ifnet *ifp = sc->sc_ifp;
struct ieee80211com *ic = ifp->if_l2com;
uint8_t noise = 0, rate;
usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
if (actlen < (int)URTW_MIN_RXBUFSZ) {
ifp->if_ierrors++;
return (NULL);
}
if (sc->sc_flags & URTW_RTL8187B) {
struct urtw_8187b_rxhdr *rx;
rx = (struct urtw_8187b_rxhdr *)(data->buf +
(actlen - (sizeof(struct urtw_8187b_rxhdr))));
flen = le32toh(rx->flag) & 0xfff;
if (flen > actlen) {
ifp->if_ierrors++;
return (NULL);
}
rate = (le32toh(rx->flag) >> URTW_RX_FLAG_RXRATE_SHIFT) & 0xf;
/* XXX correct? */
rssi = rx->rssi & URTW_RX_RSSI_MASK;
noise = rx->noise;
} else {
struct urtw_8187l_rxhdr *rx;
rx = (struct urtw_8187l_rxhdr *)(data->buf +
(actlen - (sizeof(struct urtw_8187l_rxhdr))));
flen = le32toh(rx->flag) & 0xfff;
if (flen > actlen) {
ifp->if_ierrors++;
return (NULL);
}
rate = (le32toh(rx->flag) >> URTW_RX_FLAG_RXRATE_SHIFT) & 0xf;
/* XXX correct? */
rssi = rx->rssi & URTW_RX_8187L_RSSI_MASK;
noise = rx->noise;
}
mnew = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR);
if (mnew == NULL) {
ifp->if_ierrors++;
return (NULL);
}
m = data->m;
data->m = mnew;
data->buf = mtod(mnew, uint8_t *);
/* finalize mbuf */
m->m_pkthdr.rcvif = ifp;
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;
/* XXX Are variables correct? */
tap->wr_chan_freq = htole16(ic->ic_curchan->ic_freq);
tap->wr_chan_flags = htole16(ic->ic_curchan->ic_flags);
tap->wr_dbm_antsignal = (int8_t)rssi;
}
wh = mtod(m, struct ieee80211_frame *);
if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_DATA)
sc->sc_currate = (rate > 0) ? rate : sc->sc_currate;
*rssi_p = rssi;
*nf_p = noise; /* XXX correct? */
return (m);
}
static void
urtw_bulk_rx_callback(struct usb_xfer *xfer, usb_error_t error)
{
struct urtw_softc *sc = usbd_xfer_softc(xfer);
struct ifnet *ifp = sc->sc_ifp;
struct ieee80211com *ic = ifp->if_l2com;
struct ieee80211_frame *wh;
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) {
wh = mtod(m, struct ieee80211_frame *);
ni = ieee80211_find_rxnode(ic,
(struct ieee80211_frame_min *)wh);
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);
ifp->if_ierrors++;
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 ifnet *ifp = sc->sc_ifp;
int actlen, type, pktretry, seq;
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;
seq = (val >> 16) & 0xff;
if (pktretry == URTW_TX_MAXRETRY)
ifp->if_oerrors++;
DPRINTF(sc, URTW_DEBUG_TXSTATUS, "pktretry %d seq %#x\n",
pktretry, seq);
}
}
static void
urtw_bulk_tx_status_callback(struct usb_xfer *xfer, usb_error_t error)
{
struct urtw_softc *sc = usbd_xfer_softc(xfer);
struct ifnet *ifp = sc->sc_ifp;
URTW_ASSERT_LOCKED(sc);
switch (USB_GET_STATE(xfer)) {
case USB_ST_TRANSFERRED:
urtw_txstatus_eof(xfer);
/* FALLTHROUGH */
case USB_ST_SETUP:
setup:
usbd_xfer_set_frame_data(xfer, 0, &sc->sc_txstatus,
sizeof(int64_t));
usbd_transfer_submit(xfer);
break;
default:
if (error != USB_ERR_CANCELLED) {
usbd_xfer_set_stall(xfer);
ifp->if_ierrors++;
goto setup;
}
break;
}
}
static void
urtw_txeof(struct usb_xfer *xfer, struct urtw_data *data)
{
struct urtw_softc *sc = usbd_xfer_softc(xfer);
struct ifnet *ifp = sc->sc_ifp;
struct mbuf *m;
URTW_ASSERT_LOCKED(sc);
/*
* Do any tx complete callback. Note this must be done before releasing
* the node reference.
*/
if (data->m) {
m = data->m;
if (m->m_flags & M_TXCB) {
/* XXX status? */
ieee80211_process_callback(data->ni, m, 0);
}
m_freem(m);
data->m = NULL;
}
if (data->ni) {
ieee80211_free_node(data->ni);
data->ni = NULL;
}
sc->sc_txtimer = 0;
ifp->if_opackets++;
ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
}
static void
urtw_bulk_tx_callback(struct usb_xfer *xfer, usb_error_t error)
{
struct urtw_softc *sc = usbd_xfer_softc(xfer);
struct ifnet *ifp = sc->sc_ifp;
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_UNLOCK(sc);
urtw_start(ifp);
URTW_LOCK(sc);
break;
default:
data = STAILQ_FIRST(&sc->sc_tx_active);
if (data == NULL)
goto setup;
if (data->ni != NULL) {
ieee80211_free_node(data->ni);
data->ni = NULL;
ifp->if_oerrors++;
}
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) {
struct ifnet *ifp = sc->sc_ifp;
DPRINTF(sc, URTW_DEBUG_XMIT, "%s: stop queue\n", __func__);
ifp->if_drv_flags |= IFF_DRV_OACTIVE;
}
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 ifnet *ifp)
{
struct urtw_softc *sc = ifp->if_softc;
struct ieee80211com *ic = ifp->if_l2com;
ieee80211_runtask(ic, &sc->sc_updateslot_task);
}
static void
urtw_updateslottask(void *arg, int pending)
{
struct urtw_softc *sc = arg;
struct ifnet *ifp = sc->sc_ifp;
struct ieee80211com *ic = ifp->if_l2com;
int error;
if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
return;
URTW_LOCK(sc);
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, 0x9);
else
urtw_write8_m(sc, URTW_SLOT, 0x14);
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, 0x9);
else
urtw_write8_m(sc, URTW_SLOT, 0x14);
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,
NULL, "URTW statistics");
parent = SYSCTL_CHILDREN(tree);
/* Tx statistics. */
tree = SYSCTL_ADD_NODE(ctx, parent, OID_AUTO, "tx", CTLFLAG_RD,
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),
{ 0, 0 }
};
static driver_t urtw_driver = {
.name = "urtw",
.methods = urtw_methods,
.size = sizeof(struct urtw_softc)
};
static devclass_t urtw_devclass;
DRIVER_MODULE(urtw, uhub, urtw_driver, urtw_devclass, NULL, 0);
MODULE_DEPEND(urtw, wlan, 1, 1, 1);
MODULE_DEPEND(urtw, usb, 1, 1, 1);
MODULE_VERSION(urtw, 1);