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Diffstat (limited to 'sys/dev/ic/rtwphyio.c')
-rw-r--r--sys/dev/ic/rtwphyio.c366
1 files changed, 0 insertions, 366 deletions
diff --git a/sys/dev/ic/rtwphyio.c b/sys/dev/ic/rtwphyio.c
deleted file mode 100644
index 6aa44e466d9..00000000000
--- a/sys/dev/ic/rtwphyio.c
+++ /dev/null
@@ -1,366 +0,0 @@
-/* $OpenBSD: rtwphyio.c,v 1.3 2005/01/19 11:29:27 jsg Exp $ */
-/* $NetBSD: rtwphyio.c,v 1.4 2004/12/25 06:58:37 dyoung Exp $ */
-/*-
- * Copyright (c) 2004, 2005 David Young. All rights reserved.
- *
- * Programmed for NetBSD by David Young.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. The name of David Young may not be used to endorse or promote
- * products derived from this software without specific prior
- * written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY David Young ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL David
- * Young BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
- * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
- * OF SUCH DAMAGE.
- */
-/*
- * Control input/output with the Philips SA2400 RF front-end and
- * the baseband processor built into the Realtek RTL8180.
- */
-
-#include <sys/cdefs.h>
-#include <sys/param.h>
-#include <sys/socket.h>
-#include <sys/systm.h>
-#include <sys/types.h>
-
-#include <machine/bus.h>
-
-#include <net/if.h>
-#include <net/if_media.h>
-#include <netinet/in.h>
-#include <netinet/if_ether.h>
-
-#include <net80211/ieee80211_var.h>
-#include <net80211/ieee80211_compat.h>
-#include <net80211/ieee80211_radiotap.h>
-
-#include <dev/ic/rtwreg.h>
-#include <dev/ic/max2820reg.h>
-#include <dev/ic/sa2400reg.h>
-#include <dev/ic/si4136reg.h>
-#include <dev/ic/rtwvar.h>
-#include <dev/ic/rtwphyio.h>
-#include <dev/ic/rtwphy.h>
-
-u_int32_t rtw_grf5101_host_crypt(u_int, u_int32_t);
-u_int32_t rtw_maxim_swizzle(u_int, uint32_t);
-u_int32_t rtw_grf5101_mac_crypt(u_int, u_int32_t);
-void rtw_rf_hostbangbits(struct rtw_regs *, u_int32_t, int, u_int);
-int rtw_rf_macbangbits(struct rtw_regs *, u_int32_t);
-const char *rtw_rfchipid_string(enum rtw_rfchipid);
-
-static int rtw_macbangbits_timeout = 100;
-
-u_int8_t
-rtw_bbp_read(struct rtw_regs *regs, u_int addr)
-{
- KASSERT((addr & ~PRESHIFT(RTW_BB_ADDR_MASK)) == 0);
- RTW_WRITE(regs, RTW_BB,
- LSHIFT(addr, RTW_BB_ADDR_MASK) | RTW_BB_RD_MASK | RTW_BB_WR_MASK);
- delay(10); /* XXX */
- RTW_WBR(regs, RTW_BB, RTW_BB);
- return MASK_AND_RSHIFT(RTW_READ(regs, RTW_BB), RTW_BB_RD_MASK);
-}
-
-int
-rtw_bbp_write(struct rtw_regs *regs, u_int addr, u_int val)
-{
-#define BBP_WRITE_ITERS 50
-#define BBP_WRITE_DELAY 1
- int i;
- u_int32_t wrbbp, rdbbp;
-
- RTW_DPRINTF(RTW_DEBUG_PHYIO,
- ("%s: bbp[%u] <- %u\n", __func__, addr, val));
-
- KASSERT((addr & ~PRESHIFT(RTW_BB_ADDR_MASK)) == 0);
- KASSERT((val & ~PRESHIFT(RTW_BB_WR_MASK)) == 0);
-
- wrbbp = LSHIFT(addr, RTW_BB_ADDR_MASK) | RTW_BB_WREN |
- LSHIFT(val, RTW_BB_WR_MASK) | RTW_BB_RD_MASK,
-
- rdbbp = LSHIFT(addr, RTW_BB_ADDR_MASK) |
- RTW_BB_WR_MASK | RTW_BB_RD_MASK;
-
- RTW_DPRINTF(RTW_DEBUG_PHYIO,
- ("%s: rdbbp = %#08x, wrbbp = %#08x\n", __func__, rdbbp, wrbbp));
-
- for (i = BBP_WRITE_ITERS; --i >= 0; ) {
- RTW_RBW(regs, RTW_BB, RTW_BB);
- RTW_WRITE(regs, RTW_BB, wrbbp);
- RTW_SYNC(regs, RTW_BB, RTW_BB);
- RTW_WRITE(regs, RTW_BB, rdbbp);
- RTW_SYNC(regs, RTW_BB, RTW_BB);
- delay(BBP_WRITE_DELAY); /* 1 microsecond */
- if (MASK_AND_RSHIFT(RTW_READ(regs, RTW_BB),
- RTW_BB_RD_MASK) == val) {
- RTW_DPRINTF(RTW_DEBUG_PHYIO,
- ("%s: finished in %dus\n", __func__,
- BBP_WRITE_DELAY * (BBP_WRITE_ITERS - i)));
- return 0;
- }
- delay(BBP_WRITE_DELAY); /* again */
- }
- printf("%s: timeout\n", __func__);
- return -1;
-}
-
-/* Help rtw_rf_hostwrite bang bits to RF over 3-wire interface. */
-void
-rtw_rf_hostbangbits(struct rtw_regs *regs, u_int32_t bits, int lo_to_hi,
- u_int nbits)
-{
- int i;
- u_int32_t mask, reg;
-
- KASSERT(nbits <= 32);
-
- RTW_DPRINTF(RTW_DEBUG_PHYIO,
- ("%s: %u bits, %#08x, %s\n", __func__, nbits, bits,
- (lo_to_hi) ? "lo to hi" : "hi to lo"));
-
- reg = RTW_PHYCFG_HST;
- RTW_WRITE(regs, RTW_PHYCFG, reg);
- RTW_SYNC(regs, RTW_PHYCFG, RTW_PHYCFG);
-
- if (lo_to_hi)
- mask = 0x1;
- else
- mask = 1 << (nbits - 1);
-
- for (i = 0; i < nbits; i++) {
- RTW_DPRINTF(RTW_DEBUG_PHYBITIO,
- ("%s: bits %#08x mask %#08x -> bit %#08x\n",
- __func__, bits, mask, bits & mask));
-
- if ((bits & mask) != 0)
- reg |= RTW_PHYCFG_HST_DATA;
- else
- reg &= ~RTW_PHYCFG_HST_DATA;
-
- reg |= RTW_PHYCFG_HST_CLK;
- RTW_WRITE(regs, RTW_PHYCFG, reg);
- RTW_SYNC(regs, RTW_PHYCFG, RTW_PHYCFG);
-
- DELAY(2); /* arbitrary delay */
-
- reg &= ~RTW_PHYCFG_HST_CLK;
- RTW_WRITE(regs, RTW_PHYCFG, reg);
- RTW_SYNC(regs, RTW_PHYCFG, RTW_PHYCFG);
-
- if (lo_to_hi)
- mask <<= 1;
- else
- mask >>= 1;
- }
-
- reg |= RTW_PHYCFG_HST_EN;
- KASSERT((reg & RTW_PHYCFG_HST_CLK) == 0);
- RTW_WRITE(regs, RTW_PHYCFG, reg);
- RTW_SYNC(regs, RTW_PHYCFG, RTW_PHYCFG);
-}
-
-/* Help rtw_rf_macwrite: tell MAC to bang bits to RF over the 3-wire
- * interface.
- */
-int
-rtw_rf_macbangbits(struct rtw_regs *regs, u_int32_t reg)
-{
- int i;
-
- RTW_DPRINTF(RTW_DEBUG_PHY, ("%s: %#08x\n", __func__, reg));
-
- RTW_WRITE(regs, RTW_PHYCFG, RTW_PHYCFG_MAC_POLL | reg);
-
- RTW_WBR(regs, RTW_PHYCFG, RTW_PHYCFG);
-
- for (i = rtw_macbangbits_timeout; --i >= 0; delay(1)) {
- if ((RTW_READ(regs, RTW_PHYCFG) & RTW_PHYCFG_MAC_POLL) == 0) {
- RTW_DPRINTF(RTW_DEBUG_PHY,
- ("%s: finished in %dus\n", __func__,
- rtw_macbangbits_timeout - i));
- return 0;
- }
- RTW_RBR(regs, RTW_PHYCFG, RTW_PHYCFG); /* XXX paranoia? */
- }
-
- printf("%s: RTW_PHYCFG_MAC_POLL still set.\n", __func__);
- return -1;
-}
-
-u_int32_t
-rtw_grf5101_host_crypt(u_int addr, u_int32_t val)
-{
- /* TBD */
- return 0;
-}
-
-u_int32_t
-rtw_grf5101_mac_crypt(u_int addr, u_int32_t val)
-{
- u_int32_t data_and_addr;
-#define EXTRACT_NIBBLE(d, which) (((d) >> (4 * (which))) & 0xf)
- static u_int8_t caesar[16] = {0x0, 0x8, 0x4, 0xc,
- 0x2, 0xa, 0x6, 0xe,
- 0x1, 0x9, 0x5, 0xd,
- 0x3, 0xb, 0x7, 0xf};
-
- data_and_addr = caesar[EXTRACT_NIBBLE(val, 2)] |
- (caesar[EXTRACT_NIBBLE(val, 1)] << 4) |
- (caesar[EXTRACT_NIBBLE(val, 0)] << 8) |
- (caesar[(addr >> 1) & 0xf] << 12) |
- ((addr & 0x1) << 16) |
- (caesar[EXTRACT_NIBBLE(val, 3)] << 24);
- return LSHIFT(data_and_addr,
- RTW_PHYCFG_MAC_PHILIPS_ADDR_MASK|RTW_PHYCFG_MAC_PHILIPS_DATA_MASK);
-#undef EXTRACT_NIBBLE
-}
-
-const char *
-rtw_rfchipid_string(enum rtw_rfchipid rfchipid)
-{
- switch (rfchipid) {
- case RTW_RFCHIPID_MAXIM:
- return "Maxim";
- case RTW_RFCHIPID_PHILIPS:
- return "Philips";
- case RTW_RFCHIPID_GCT:
- return "GCT";
- case RTW_RFCHIPID_RFMD:
- return "RFMD";
- case RTW_RFCHIPID_INTERSIL:
- return "Intersil";
- default:
- return "unknown";
- }
-}
-
-/* Bang bits over the 3-wire interface. */
-int
-rtw_rf_hostwrite(struct rtw_regs *regs, enum rtw_rfchipid rfchipid,
- u_int addr, u_int32_t val)
-{
- u_int nbits;
- int lo_to_hi;
- u_int32_t bits;
-
- RTW_DPRINTF(RTW_DEBUG_PHYIO, ("%s: %s[%u] <- %#08x\n", __func__,
- rtw_rfchipid_string(rfchipid), addr, val));
-
- switch (rfchipid) {
- case RTW_RFCHIPID_MAXIM:
- nbits = 16;
- lo_to_hi = 0;
- bits = LSHIFT(val, MAX2820_TWI_DATA_MASK) |
- LSHIFT(addr, MAX2820_TWI_ADDR_MASK);
- break;
- case RTW_RFCHIPID_PHILIPS:
- KASSERT((addr & ~PRESHIFT(SA2400_TWI_ADDR_MASK)) == 0);
- KASSERT((val & ~PRESHIFT(SA2400_TWI_DATA_MASK)) == 0);
- bits = LSHIFT(val, SA2400_TWI_DATA_MASK) |
- LSHIFT(addr, SA2400_TWI_ADDR_MASK) | SA2400_TWI_WREN;
- nbits = 32;
- lo_to_hi = 1;
- break;
- case RTW_RFCHIPID_GCT:
- case RTW_RFCHIPID_RFMD:
- KASSERT((addr & ~PRESHIFT(SI4126_TWI_ADDR_MASK)) == 0);
- KASSERT((val & ~PRESHIFT(SI4126_TWI_DATA_MASK)) == 0);
- if (rfchipid == RTW_RFCHIPID_GCT)
- bits = rtw_grf5101_host_crypt(addr, val);
- else {
- bits = LSHIFT(val, SI4126_TWI_DATA_MASK) |
- LSHIFT(addr, SI4126_TWI_ADDR_MASK);
- }
- nbits = 22;
- lo_to_hi = 0;
- break;
- case RTW_RFCHIPID_INTERSIL:
- default:
- printf("%s: unknown rfchipid %d\n", __func__, rfchipid);
- return -1;
- }
-
- rtw_rf_hostbangbits(regs, bits, lo_to_hi, nbits);
-
- return 0;
-}
-
-u_int32_t
-rtw_maxim_swizzle(u_int addr, u_int32_t val)
-{
- u_int32_t hidata, lodata;
-
- KASSERT((val & ~(RTW_MAXIM_LODATA_MASK|RTW_MAXIM_HIDATA_MASK)) == 0);
- lodata = MASK_AND_RSHIFT(val, RTW_MAXIM_LODATA_MASK);
- hidata = MASK_AND_RSHIFT(val, RTW_MAXIM_HIDATA_MASK);
- return LSHIFT(lodata, RTW_PHYCFG_MAC_MAXIM_LODATA_MASK) |
- LSHIFT(hidata, RTW_PHYCFG_MAC_MAXIM_HIDATA_MASK) |
- LSHIFT(addr, RTW_PHYCFG_MAC_MAXIM_ADDR_MASK);
-}
-
-/* Tell the MAC what to bang over the 3-wire interface. */
-int
-rtw_rf_macwrite(struct rtw_regs *regs, enum rtw_rfchipid rfchipid,
- u_int addr, u_int32_t val)
-{
- u_int32_t reg;
-
- RTW_DPRINTF(RTW_DEBUG_PHYIO, ("%s: %s[%u] <- %#08x\n", __func__,
- rtw_rfchipid_string(rfchipid), addr, val));
-
- switch (rfchipid) {
- case RTW_RFCHIPID_GCT:
- reg = rtw_grf5101_mac_crypt(addr, val);
- break;
- case RTW_RFCHIPID_MAXIM:
- reg = rtw_maxim_swizzle(addr, val);
- break;
- default: /* XXX */
- case RTW_RFCHIPID_PHILIPS:
- KASSERT(
- (addr & ~PRESHIFT(RTW_PHYCFG_MAC_PHILIPS_ADDR_MASK)) == 0);
- KASSERT(
- (val & ~PRESHIFT(RTW_PHYCFG_MAC_PHILIPS_DATA_MASK)) == 0);
-
- reg = LSHIFT(addr, RTW_PHYCFG_MAC_PHILIPS_ADDR_MASK) |
- LSHIFT(val, RTW_PHYCFG_MAC_PHILIPS_DATA_MASK);
- }
-
- switch (rfchipid) {
- case RTW_RFCHIPID_GCT:
- case RTW_RFCHIPID_MAXIM:
- case RTW_RFCHIPID_RFMD:
- reg |= RTW_PHYCFG_MAC_RFTYPE_RFMD;
- break;
- case RTW_RFCHIPID_INTERSIL:
- reg |= RTW_PHYCFG_MAC_RFTYPE_INTERSIL;
- break;
- case RTW_RFCHIPID_PHILIPS:
- reg |= RTW_PHYCFG_MAC_RFTYPE_PHILIPS;
- break;
- default:
- printf("%s: unknown rfchipid %d\n", __func__, rfchipid);
- return -1;
- }
-
- return rtw_rf_macbangbits(regs, reg);
-}
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