3 * This program is free software; you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation; either version 2 of the License, or
6 * (at your option) any later version.
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software
15 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 /* This file implements all the hardware specific functions for the ZD1211
19 * and ZD1211B chips. Support for the ZD1211B was possible after Timothy
20 * Legge sent me a ZD1211B device. Thank you Tim. -- Uli
23 #include <linux/kernel.h>
24 #include <linux/errno.h>
28 #include "zd_ieee80211.h"
33 void zd_chip_init(struct zd_chip *chip,
34 struct net_device *netdev,
35 struct usb_interface *intf)
37 memset(chip, 0, sizeof(*chip));
38 mutex_init(&chip->mutex);
39 zd_usb_init(&chip->usb, netdev, intf);
40 zd_rf_init(&chip->rf);
43 void zd_chip_clear(struct zd_chip *chip)
45 ZD_ASSERT(!mutex_is_locked(&chip->mutex));
46 zd_usb_clear(&chip->usb);
47 zd_rf_clear(&chip->rf);
48 mutex_destroy(&chip->mutex);
49 ZD_MEMCLEAR(chip, sizeof(*chip));
52 static int scnprint_mac_oui(const u8 *addr, char *buffer, size_t size)
54 return scnprintf(buffer, size, "%02x-%02x-%02x",
55 addr[0], addr[1], addr[2]);
58 /* Prints an identifier line, which will support debugging. */
59 static int scnprint_id(struct zd_chip *chip, char *buffer, size_t size)
63 i = scnprintf(buffer, size, "zd1211%s chip ",
64 chip->is_zd1211b ? "b" : "");
65 i += zd_usb_scnprint_id(&chip->usb, buffer+i, size-i);
66 i += scnprintf(buffer+i, size-i, " ");
67 i += scnprint_mac_oui(chip->e2p_mac, buffer+i, size-i);
68 i += scnprintf(buffer+i, size-i, " ");
69 i += zd_rf_scnprint_id(&chip->rf, buffer+i, size-i);
70 i += scnprintf(buffer+i, size-i, " pa%1x %c%c%c%c", chip->pa_type,
71 chip->patch_cck_gain ? 'g' : '-',
72 chip->patch_cr157 ? '7' : '-',
73 chip->patch_6m_band_edge ? '6' : '-',
74 chip->new_phy_layout ? 'N' : '-');
78 static void print_id(struct zd_chip *chip)
82 scnprint_id(chip, buffer, sizeof(buffer));
83 buffer[sizeof(buffer)-1] = 0;
84 dev_info(zd_chip_dev(chip), "%s\n", buffer);
87 /* Read a variable number of 32-bit values. Parameter count is not allowed to
88 * exceed USB_MAX_IOREAD32_COUNT.
90 int zd_ioread32v_locked(struct zd_chip *chip, u32 *values, const zd_addr_t *addr,
95 zd_addr_t *a16 = (zd_addr_t *)NULL;
99 if (count > USB_MAX_IOREAD32_COUNT)
102 /* Allocate a single memory block for values and addresses. */
104 a16 = (zd_addr_t *)kmalloc(count16 * (sizeof(zd_addr_t) + sizeof(u16)),
107 dev_dbg_f(zd_chip_dev(chip),
108 "error ENOMEM in allocation of a16\n");
112 v16 = (u16 *)(a16 + count16);
114 for (i = 0; i < count; i++) {
116 /* We read the high word always first. */
117 a16[j] = zd_inc_word(addr[i]);
121 r = zd_ioread16v_locked(chip, v16, a16, count16);
123 dev_dbg_f(zd_chip_dev(chip),
124 "error: zd_ioread16v_locked. Error number %d\n", r);
128 for (i = 0; i < count; i++) {
130 values[i] = (v16[j] << 16) | v16[j+1];
138 int _zd_iowrite32v_locked(struct zd_chip *chip, const struct zd_ioreq32 *ioreqs,
142 struct zd_ioreq16 *ioreqs16;
143 unsigned int count16;
145 ZD_ASSERT(mutex_is_locked(&chip->mutex));
149 if (count > USB_MAX_IOWRITE32_COUNT)
152 /* Allocate a single memory block for values and addresses. */
154 ioreqs16 = kmalloc(count16 * sizeof(struct zd_ioreq16), GFP_NOFS);
157 dev_dbg_f(zd_chip_dev(chip),
158 "error %d in ioreqs16 allocation\n", r);
162 for (i = 0; i < count; i++) {
164 /* We write the high word always first. */
165 ioreqs16[j].value = ioreqs[i].value >> 16;
166 ioreqs16[j].addr = zd_inc_word(ioreqs[i].addr);
167 ioreqs16[j+1].value = ioreqs[i].value;
168 ioreqs16[j+1].addr = ioreqs[i].addr;
171 r = zd_usb_iowrite16v(&chip->usb, ioreqs16, count16);
174 dev_dbg_f(zd_chip_dev(chip),
175 "error %d in zd_usb_write16v\n", r);
183 int zd_iowrite16a_locked(struct zd_chip *chip,
184 const struct zd_ioreq16 *ioreqs, unsigned int count)
187 unsigned int i, j, t, max;
189 ZD_ASSERT(mutex_is_locked(&chip->mutex));
190 for (i = 0; i < count; i += j + t) {
193 if (max > USB_MAX_IOWRITE16_COUNT)
194 max = USB_MAX_IOWRITE16_COUNT;
195 for (j = 0; j < max; j++) {
196 if (!ioreqs[i+j].addr) {
202 r = zd_usb_iowrite16v(&chip->usb, &ioreqs[i], j);
204 dev_dbg_f(zd_chip_dev(chip),
205 "error zd_usb_iowrite16v. Error number %d\n",
214 /* Writes a variable number of 32 bit registers. The functions will split
215 * that in several USB requests. A split can be forced by inserting an IO
216 * request with an zero address field.
218 int zd_iowrite32a_locked(struct zd_chip *chip,
219 const struct zd_ioreq32 *ioreqs, unsigned int count)
222 unsigned int i, j, t, max;
224 for (i = 0; i < count; i += j + t) {
227 if (max > USB_MAX_IOWRITE32_COUNT)
228 max = USB_MAX_IOWRITE32_COUNT;
229 for (j = 0; j < max; j++) {
230 if (!ioreqs[i+j].addr) {
236 r = _zd_iowrite32v_locked(chip, &ioreqs[i], j);
238 dev_dbg_f(zd_chip_dev(chip),
239 "error _zd_iowrite32v_locked."
240 " Error number %d\n", r);
248 int zd_ioread16(struct zd_chip *chip, zd_addr_t addr, u16 *value)
252 mutex_lock(&chip->mutex);
253 r = zd_ioread16_locked(chip, value, addr);
254 mutex_unlock(&chip->mutex);
258 int zd_ioread32(struct zd_chip *chip, zd_addr_t addr, u32 *value)
262 mutex_lock(&chip->mutex);
263 r = zd_ioread32_locked(chip, value, addr);
264 mutex_unlock(&chip->mutex);
268 int zd_iowrite16(struct zd_chip *chip, zd_addr_t addr, u16 value)
272 mutex_lock(&chip->mutex);
273 r = zd_iowrite16_locked(chip, value, addr);
274 mutex_unlock(&chip->mutex);
278 int zd_iowrite32(struct zd_chip *chip, zd_addr_t addr, u32 value)
282 mutex_lock(&chip->mutex);
283 r = zd_iowrite32_locked(chip, value, addr);
284 mutex_unlock(&chip->mutex);
288 int zd_ioread32v(struct zd_chip *chip, const zd_addr_t *addresses,
289 u32 *values, unsigned int count)
293 mutex_lock(&chip->mutex);
294 r = zd_ioread32v_locked(chip, values, addresses, count);
295 mutex_unlock(&chip->mutex);
299 int zd_iowrite32a(struct zd_chip *chip, const struct zd_ioreq32 *ioreqs,
304 mutex_lock(&chip->mutex);
305 r = zd_iowrite32a_locked(chip, ioreqs, count);
306 mutex_unlock(&chip->mutex);
310 static int read_pod(struct zd_chip *chip, u8 *rf_type)
315 ZD_ASSERT(mutex_is_locked(&chip->mutex));
316 r = zd_ioread32_locked(chip, &value, E2P_POD);
319 dev_dbg_f(zd_chip_dev(chip), "E2P_POD %#010x\n", value);
321 /* FIXME: AL2230 handling (Bit 7 in POD) */
322 *rf_type = value & 0x0f;
323 chip->pa_type = (value >> 16) & 0x0f;
324 chip->patch_cck_gain = (value >> 8) & 0x1;
325 chip->patch_cr157 = (value >> 13) & 0x1;
326 chip->patch_6m_band_edge = (value >> 21) & 0x1;
327 chip->new_phy_layout = (value >> 31) & 0x1;
328 chip->link_led = ((value >> 4) & 1) ? LED1 : LED2;
329 chip->supports_tx_led = 1;
330 if (value & (1 << 24)) { /* LED scenario */
331 if (value & (1 << 29))
332 chip->supports_tx_led = 0;
335 dev_dbg_f(zd_chip_dev(chip),
336 "RF %s %#01x PA type %#01x patch CCK %d patch CR157 %d "
337 "patch 6M %d new PHY %d link LED%d tx led %d\n",
338 zd_rf_name(*rf_type), *rf_type,
339 chip->pa_type, chip->patch_cck_gain,
340 chip->patch_cr157, chip->patch_6m_band_edge,
341 chip->new_phy_layout,
342 chip->link_led == LED1 ? 1 : 2,
343 chip->supports_tx_led);
348 chip->patch_cck_gain = 0;
349 chip->patch_cr157 = 0;
350 chip->patch_6m_band_edge = 0;
351 chip->new_phy_layout = 0;
355 static int _read_mac_addr(struct zd_chip *chip, u8 *mac_addr,
356 const zd_addr_t *addr)
361 r = zd_ioread32v_locked(chip, parts, (const zd_addr_t *)addr, 2);
363 dev_dbg_f(zd_chip_dev(chip),
364 "error: couldn't read e2p macs. Error number %d\n", r);
368 mac_addr[0] = parts[0];
369 mac_addr[1] = parts[0] >> 8;
370 mac_addr[2] = parts[0] >> 16;
371 mac_addr[3] = parts[0] >> 24;
372 mac_addr[4] = parts[1];
373 mac_addr[5] = parts[1] >> 8;
378 static int read_e2p_mac_addr(struct zd_chip *chip)
380 static const zd_addr_t addr[2] = { E2P_MAC_ADDR_P1, E2P_MAC_ADDR_P2 };
382 ZD_ASSERT(mutex_is_locked(&chip->mutex));
383 return _read_mac_addr(chip, chip->e2p_mac, (const zd_addr_t *)addr);
386 /* MAC address: if custom mac addresses are to to be used CR_MAC_ADDR_P1 and
387 * CR_MAC_ADDR_P2 must be overwritten
389 void zd_get_e2p_mac_addr(struct zd_chip *chip, u8 *mac_addr)
391 mutex_lock(&chip->mutex);
392 memcpy(mac_addr, chip->e2p_mac, ETH_ALEN);
393 mutex_unlock(&chip->mutex);
396 static int read_mac_addr(struct zd_chip *chip, u8 *mac_addr)
398 static const zd_addr_t addr[2] = { CR_MAC_ADDR_P1, CR_MAC_ADDR_P2 };
399 return _read_mac_addr(chip, mac_addr, (const zd_addr_t *)addr);
402 int zd_read_mac_addr(struct zd_chip *chip, u8 *mac_addr)
406 dev_dbg_f(zd_chip_dev(chip), "\n");
407 mutex_lock(&chip->mutex);
408 r = read_mac_addr(chip, mac_addr);
409 mutex_unlock(&chip->mutex);
413 int zd_write_mac_addr(struct zd_chip *chip, const u8 *mac_addr)
416 struct zd_ioreq32 reqs[2] = {
417 [0] = { .addr = CR_MAC_ADDR_P1 },
418 [1] = { .addr = CR_MAC_ADDR_P2 },
421 reqs[0].value = (mac_addr[3] << 24)
422 | (mac_addr[2] << 16)
425 reqs[1].value = (mac_addr[5] << 8)
428 dev_dbg_f(zd_chip_dev(chip),
429 "mac addr " MAC_FMT "\n", MAC_ARG(mac_addr));
431 mutex_lock(&chip->mutex);
432 r = zd_iowrite32a_locked(chip, reqs, ARRAY_SIZE(reqs));
436 read_mac_addr(chip, tmp);
439 mutex_unlock(&chip->mutex);
443 int zd_read_regdomain(struct zd_chip *chip, u8 *regdomain)
448 mutex_lock(&chip->mutex);
449 r = zd_ioread32_locked(chip, &value, E2P_SUBID);
450 mutex_unlock(&chip->mutex);
454 *regdomain = value >> 16;
455 dev_dbg_f(zd_chip_dev(chip), "regdomain: %#04x\n", *regdomain);
460 static int read_values(struct zd_chip *chip, u8 *values, size_t count,
461 zd_addr_t e2p_addr, u32 guard)
467 ZD_ASSERT(mutex_is_locked(&chip->mutex));
469 r = zd_ioread32_locked(chip, &v, e2p_addr+i/2);
475 values[i++] = v >> 8;
476 values[i++] = v >> 16;
477 values[i++] = v >> 24;
480 for (;i < count; i++)
481 values[i] = v >> (8*(i%3));
486 static int read_pwr_cal_values(struct zd_chip *chip)
488 return read_values(chip, chip->pwr_cal_values,
489 E2P_CHANNEL_COUNT, E2P_PWR_CAL_VALUE1,
493 static int read_pwr_int_values(struct zd_chip *chip)
495 return read_values(chip, chip->pwr_int_values,
496 E2P_CHANNEL_COUNT, E2P_PWR_INT_VALUE1,
500 static int read_ofdm_cal_values(struct zd_chip *chip)
504 static const zd_addr_t addresses[] = {
510 for (i = 0; i < 3; i++) {
511 r = read_values(chip, chip->ofdm_cal_values[i],
512 E2P_CHANNEL_COUNT, addresses[i], 0);
519 static int read_cal_int_tables(struct zd_chip *chip)
523 r = read_pwr_cal_values(chip);
526 r = read_pwr_int_values(chip);
529 r = read_ofdm_cal_values(chip);
535 /* phy means physical registers */
536 int zd_chip_lock_phy_regs(struct zd_chip *chip)
541 ZD_ASSERT(mutex_is_locked(&chip->mutex));
542 r = zd_ioread32_locked(chip, &tmp, CR_REG1);
544 dev_err(zd_chip_dev(chip), "error ioread32(CR_REG1): %d\n", r);
548 dev_dbg_f(zd_chip_dev(chip),
549 "CR_REG1: 0x%02x -> 0x%02x\n", tmp, tmp & ~UNLOCK_PHY_REGS);
550 tmp &= ~UNLOCK_PHY_REGS;
552 r = zd_iowrite32_locked(chip, tmp, CR_REG1);
554 dev_err(zd_chip_dev(chip), "error iowrite32(CR_REG1): %d\n", r);
558 int zd_chip_unlock_phy_regs(struct zd_chip *chip)
563 ZD_ASSERT(mutex_is_locked(&chip->mutex));
564 r = zd_ioread32_locked(chip, &tmp, CR_REG1);
566 dev_err(zd_chip_dev(chip),
567 "error ioread32(CR_REG1): %d\n", r);
571 dev_dbg_f(zd_chip_dev(chip),
572 "CR_REG1: 0x%02x -> 0x%02x\n", tmp, tmp | UNLOCK_PHY_REGS);
573 tmp |= UNLOCK_PHY_REGS;
575 r = zd_iowrite32_locked(chip, tmp, CR_REG1);
577 dev_err(zd_chip_dev(chip), "error iowrite32(CR_REG1): %d\n", r);
581 /* CR157 can be optionally patched by the EEPROM */
582 static int patch_cr157(struct zd_chip *chip)
587 if (!chip->patch_cr157)
590 r = zd_ioread32_locked(chip, &value, E2P_PHY_REG);
594 dev_dbg_f(zd_chip_dev(chip), "patching value %x\n", value >> 8);
595 return zd_iowrite32_locked(chip, value >> 8, CR157);
599 * 6M band edge can be optionally overwritten for certain RF's
600 * Vendor driver says: for FCC regulation, enabled per HWFeature 6M band edge
601 * bit (for AL2230, AL2230S)
603 static int patch_6m_band_edge(struct zd_chip *chip, int channel)
605 struct zd_ioreq16 ioreqs[] = {
606 { CR128, 0x14 }, { CR129, 0x12 }, { CR130, 0x10 },
610 if (!chip->patch_6m_band_edge || !chip->rf.patch_6m_band_edge)
613 /* FIXME: Channel 11 is not the edge for all regulatory domains. */
614 if (channel == 1 || channel == 11)
615 ioreqs[0].value = 0x12;
617 dev_dbg_f(zd_chip_dev(chip), "patching for channel %d\n", channel);
618 return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
621 static int zd1211_hw_reset_phy(struct zd_chip *chip)
623 static const struct zd_ioreq16 ioreqs[] = {
624 { CR0, 0x0a }, { CR1, 0x06 }, { CR2, 0x26 },
625 { CR3, 0x38 }, { CR4, 0x80 }, { CR9, 0xa0 },
626 { CR10, 0x81 }, { CR11, 0x00 }, { CR12, 0x7f },
627 { CR13, 0x8c }, { CR14, 0x80 }, { CR15, 0x3d },
628 { CR16, 0x20 }, { CR17, 0x1e }, { CR18, 0x0a },
629 { CR19, 0x48 }, { CR20, 0x0c }, { CR21, 0x0c },
630 { CR22, 0x23 }, { CR23, 0x90 }, { CR24, 0x14 },
631 { CR25, 0x40 }, { CR26, 0x10 }, { CR27, 0x19 },
632 { CR28, 0x7f }, { CR29, 0x80 }, { CR30, 0x4b },
633 { CR31, 0x60 }, { CR32, 0x43 }, { CR33, 0x08 },
634 { CR34, 0x06 }, { CR35, 0x0a }, { CR36, 0x00 },
635 { CR37, 0x00 }, { CR38, 0x38 }, { CR39, 0x0c },
636 { CR40, 0x84 }, { CR41, 0x2a }, { CR42, 0x80 },
637 { CR43, 0x10 }, { CR44, 0x12 }, { CR46, 0xff },
638 { CR47, 0x1E }, { CR48, 0x26 }, { CR49, 0x5b },
639 { CR64, 0xd0 }, { CR65, 0x04 }, { CR66, 0x58 },
640 { CR67, 0xc9 }, { CR68, 0x88 }, { CR69, 0x41 },
641 { CR70, 0x23 }, { CR71, 0x10 }, { CR72, 0xff },
642 { CR73, 0x32 }, { CR74, 0x30 }, { CR75, 0x65 },
643 { CR76, 0x41 }, { CR77, 0x1b }, { CR78, 0x30 },
644 { CR79, 0x68 }, { CR80, 0x64 }, { CR81, 0x64 },
645 { CR82, 0x00 }, { CR83, 0x00 }, { CR84, 0x00 },
646 { CR85, 0x02 }, { CR86, 0x00 }, { CR87, 0x00 },
647 { CR88, 0xff }, { CR89, 0xfc }, { CR90, 0x00 },
648 { CR91, 0x00 }, { CR92, 0x00 }, { CR93, 0x08 },
649 { CR94, 0x00 }, { CR95, 0x00 }, { CR96, 0xff },
650 { CR97, 0xe7 }, { CR98, 0x00 }, { CR99, 0x00 },
651 { CR100, 0x00 }, { CR101, 0xae }, { CR102, 0x02 },
652 { CR103, 0x00 }, { CR104, 0x03 }, { CR105, 0x65 },
653 { CR106, 0x04 }, { CR107, 0x00 }, { CR108, 0x0a },
654 { CR109, 0xaa }, { CR110, 0xaa }, { CR111, 0x25 },
655 { CR112, 0x25 }, { CR113, 0x00 }, { CR119, 0x1e },
656 { CR125, 0x90 }, { CR126, 0x00 }, { CR127, 0x00 },
658 { CR5, 0x00 }, { CR6, 0x00 }, { CR7, 0x00 },
659 { CR8, 0x00 }, { CR9, 0x20 }, { CR12, 0xf0 },
660 { CR20, 0x0e }, { CR21, 0x0e }, { CR27, 0x10 },
661 { CR44, 0x33 }, { CR47, 0x1E }, { CR83, 0x24 },
662 { CR84, 0x04 }, { CR85, 0x00 }, { CR86, 0x0C },
663 { CR87, 0x12 }, { CR88, 0x0C }, { CR89, 0x00 },
664 { CR90, 0x10 }, { CR91, 0x08 }, { CR93, 0x00 },
665 { CR94, 0x01 }, { CR95, 0x00 }, { CR96, 0x50 },
666 { CR97, 0x37 }, { CR98, 0x35 }, { CR101, 0x13 },
667 { CR102, 0x27 }, { CR103, 0x27 }, { CR104, 0x18 },
668 { CR105, 0x12 }, { CR109, 0x27 }, { CR110, 0x27 },
669 { CR111, 0x27 }, { CR112, 0x27 }, { CR113, 0x27 },
670 { CR114, 0x27 }, { CR115, 0x26 }, { CR116, 0x24 },
671 { CR117, 0xfc }, { CR118, 0xfa }, { CR120, 0x4f },
672 { CR123, 0x27 }, { CR125, 0xaa }, { CR127, 0x03 },
673 { CR128, 0x14 }, { CR129, 0x12 }, { CR130, 0x10 },
674 { CR131, 0x0C }, { CR136, 0xdf }, { CR137, 0x40 },
675 { CR138, 0xa0 }, { CR139, 0xb0 }, { CR140, 0x99 },
676 { CR141, 0x82 }, { CR142, 0x54 }, { CR143, 0x1c },
677 { CR144, 0x6c }, { CR147, 0x07 }, { CR148, 0x4c },
678 { CR149, 0x50 }, { CR150, 0x0e }, { CR151, 0x18 },
679 { CR160, 0xfe }, { CR161, 0xee }, { CR162, 0xaa },
680 { CR163, 0xfa }, { CR164, 0xfa }, { CR165, 0xea },
681 { CR166, 0xbe }, { CR167, 0xbe }, { CR168, 0x6a },
682 { CR169, 0xba }, { CR170, 0xba }, { CR171, 0xba },
683 /* Note: CR204 must lead the CR203 */
691 dev_dbg_f(zd_chip_dev(chip), "\n");
693 r = zd_chip_lock_phy_regs(chip);
697 r = zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
701 r = patch_cr157(chip);
703 t = zd_chip_unlock_phy_regs(chip);
710 static int zd1211b_hw_reset_phy(struct zd_chip *chip)
712 static const struct zd_ioreq16 ioreqs[] = {
713 { CR0, 0x14 }, { CR1, 0x06 }, { CR2, 0x26 },
714 { CR3, 0x38 }, { CR4, 0x80 }, { CR9, 0xe0 },
716 /* power control { { CR11, 1 << 6 }, */
718 { CR12, 0xf0 }, { CR13, 0x8c }, { CR14, 0x80 },
719 { CR15, 0x3d }, { CR16, 0x20 }, { CR17, 0x1e },
720 { CR18, 0x0a }, { CR19, 0x48 },
721 { CR20, 0x10 }, /* Org:0x0E, ComTrend:RalLink AP */
722 { CR21, 0x0e }, { CR22, 0x23 }, { CR23, 0x90 },
723 { CR24, 0x14 }, { CR25, 0x40 }, { CR26, 0x10 },
724 { CR27, 0x10 }, { CR28, 0x7f }, { CR29, 0x80 },
725 { CR30, 0x4b }, /* ASIC/FWT, no jointly decoder */
726 { CR31, 0x60 }, { CR32, 0x43 }, { CR33, 0x08 },
727 { CR34, 0x06 }, { CR35, 0x0a }, { CR36, 0x00 },
728 { CR37, 0x00 }, { CR38, 0x38 }, { CR39, 0x0c },
729 { CR40, 0x84 }, { CR41, 0x2a }, { CR42, 0x80 },
730 { CR43, 0x10 }, { CR44, 0x33 }, { CR46, 0xff },
731 { CR47, 0x1E }, { CR48, 0x26 }, { CR49, 0x5b },
732 { CR64, 0xd0 }, { CR65, 0x04 }, { CR66, 0x58 },
733 { CR67, 0xc9 }, { CR68, 0x88 }, { CR69, 0x41 },
734 { CR70, 0x23 }, { CR71, 0x10 }, { CR72, 0xff },
735 { CR73, 0x32 }, { CR74, 0x30 }, { CR75, 0x65 },
736 { CR76, 0x41 }, { CR77, 0x1b }, { CR78, 0x30 },
737 { CR79, 0xf0 }, { CR80, 0x64 }, { CR81, 0x64 },
738 { CR82, 0x00 }, { CR83, 0x24 }, { CR84, 0x04 },
739 { CR85, 0x00 }, { CR86, 0x0c }, { CR87, 0x12 },
740 { CR88, 0x0c }, { CR89, 0x00 }, { CR90, 0x58 },
741 { CR91, 0x04 }, { CR92, 0x00 }, { CR93, 0x00 },
743 { CR95, 0x20 }, /* ZD1211B */
744 { CR96, 0x50 }, { CR97, 0x37 }, { CR98, 0x35 },
745 { CR99, 0x00 }, { CR100, 0x01 }, { CR101, 0x13 },
746 { CR102, 0x27 }, { CR103, 0x27 }, { CR104, 0x18 },
747 { CR105, 0x12 }, { CR106, 0x04 }, { CR107, 0x00 },
748 { CR108, 0x0a }, { CR109, 0x27 }, { CR110, 0x27 },
749 { CR111, 0x27 }, { CR112, 0x27 }, { CR113, 0x27 },
750 { CR114, 0x27 }, { CR115, 0x26 }, { CR116, 0x24 },
751 { CR117, 0xfc }, { CR118, 0xfa }, { CR119, 0x1e },
752 { CR125, 0x90 }, { CR126, 0x00 }, { CR127, 0x00 },
753 { CR128, 0x14 }, { CR129, 0x12 }, { CR130, 0x10 },
754 { CR131, 0x0c }, { CR136, 0xdf }, { CR137, 0xa0 },
755 { CR138, 0xa8 }, { CR139, 0xb4 }, { CR140, 0x98 },
756 { CR141, 0x82 }, { CR142, 0x53 }, { CR143, 0x1c },
757 { CR144, 0x6c }, { CR147, 0x07 }, { CR148, 0x40 },
758 { CR149, 0x40 }, /* Org:0x50 ComTrend:RalLink AP */
759 { CR150, 0x14 }, /* Org:0x0E ComTrend:RalLink AP */
760 { CR151, 0x18 }, { CR159, 0x70 }, { CR160, 0xfe },
761 { CR161, 0xee }, { CR162, 0xaa }, { CR163, 0xfa },
762 { CR164, 0xfa }, { CR165, 0xea }, { CR166, 0xbe },
763 { CR167, 0xbe }, { CR168, 0x6a }, { CR169, 0xba },
764 { CR170, 0xba }, { CR171, 0xba },
765 /* Note: CR204 must lead the CR203 */
773 dev_dbg_f(zd_chip_dev(chip), "\n");
775 r = zd_chip_lock_phy_regs(chip);
779 r = zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
783 r = patch_cr157(chip);
785 t = zd_chip_unlock_phy_regs(chip);
792 static int hw_reset_phy(struct zd_chip *chip)
794 return chip->is_zd1211b ? zd1211b_hw_reset_phy(chip) :
795 zd1211_hw_reset_phy(chip);
798 static int zd1211_hw_init_hmac(struct zd_chip *chip)
800 static const struct zd_ioreq32 ioreqs[] = {
801 { CR_ACK_TIMEOUT_EXT, 0x20 },
802 { CR_ADDA_MBIAS_WARMTIME, 0x30000808 },
803 { CR_ZD1211_RETRY_MAX, 0x2 },
804 { CR_SNIFFER_ON, 0 },
805 { CR_RX_FILTER, STA_RX_FILTER },
806 { CR_GROUP_HASH_P1, 0x00 },
807 { CR_GROUP_HASH_P2, 0x80000000 },
809 { CR_ADDA_PWR_DWN, 0x7f },
810 { CR_BCN_PLCP_CFG, 0x00f00401 },
811 { CR_PHY_DELAY, 0x00 },
812 { CR_ACK_TIMEOUT_EXT, 0x80 },
813 { CR_ADDA_PWR_DWN, 0x00 },
814 { CR_ACK_TIME_80211, 0x100 },
815 { CR_RX_PE_DELAY, 0x70 },
816 { CR_PS_CTRL, 0x10000000 },
817 { CR_RTS_CTS_RATE, 0x02030203 },
818 { CR_RX_THRESHOLD, 0x000c0640 },
819 { CR_AFTER_PNP, 0x1 },
820 { CR_WEP_PROTECT, 0x114 },
825 dev_dbg_f(zd_chip_dev(chip), "\n");
826 ZD_ASSERT(mutex_is_locked(&chip->mutex));
827 r = zd_iowrite32a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
830 dev_err(zd_chip_dev(chip),
831 "error in zd_iowrite32a_locked. Error number %d\n", r);
837 static int zd1211b_hw_init_hmac(struct zd_chip *chip)
839 static const struct zd_ioreq32 ioreqs[] = {
840 { CR_ACK_TIMEOUT_EXT, 0x20 },
841 { CR_ADDA_MBIAS_WARMTIME, 0x30000808 },
842 { CR_ZD1211B_RETRY_MAX, 0x02020202 },
843 { CR_ZD1211B_TX_PWR_CTL4, 0x007f003f },
844 { CR_ZD1211B_TX_PWR_CTL3, 0x007f003f },
845 { CR_ZD1211B_TX_PWR_CTL2, 0x003f001f },
846 { CR_ZD1211B_TX_PWR_CTL1, 0x001f000f },
847 { CR_ZD1211B_AIFS_CTL1, 0x00280028 },
848 { CR_ZD1211B_AIFS_CTL2, 0x008C003C },
849 { CR_ZD1211B_TXOP, 0x01800824 },
850 { CR_SNIFFER_ON, 0 },
851 { CR_RX_FILTER, STA_RX_FILTER },
852 { CR_GROUP_HASH_P1, 0x00 },
853 { CR_GROUP_HASH_P2, 0x80000000 },
855 { CR_ADDA_PWR_DWN, 0x7f },
856 { CR_BCN_PLCP_CFG, 0x00f00401 },
857 { CR_PHY_DELAY, 0x00 },
858 { CR_ACK_TIMEOUT_EXT, 0x80 },
859 { CR_ADDA_PWR_DWN, 0x00 },
860 { CR_ACK_TIME_80211, 0x100 },
861 { CR_RX_PE_DELAY, 0x70 },
862 { CR_PS_CTRL, 0x10000000 },
863 { CR_RTS_CTS_RATE, 0x02030203 },
864 { CR_RX_THRESHOLD, 0x000c0eff, },
865 { CR_AFTER_PNP, 0x1 },
866 { CR_WEP_PROTECT, 0x114 },
871 dev_dbg_f(zd_chip_dev(chip), "\n");
872 ZD_ASSERT(mutex_is_locked(&chip->mutex));
873 r = zd_iowrite32a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
875 dev_dbg_f(zd_chip_dev(chip),
876 "error in zd_iowrite32a_locked. Error number %d\n", r);
881 static int hw_init_hmac(struct zd_chip *chip)
883 return chip->is_zd1211b ?
884 zd1211b_hw_init_hmac(chip) : zd1211_hw_init_hmac(chip);
893 static int get_aw_pt_bi(struct zd_chip *chip, struct aw_pt_bi *s)
896 static const zd_addr_t aw_pt_bi_addr[] =
897 { CR_ATIM_WND_PERIOD, CR_PRE_TBTT, CR_BCN_INTERVAL };
900 r = zd_ioread32v_locked(chip, values, (const zd_addr_t *)aw_pt_bi_addr,
901 ARRAY_SIZE(aw_pt_bi_addr));
903 memset(s, 0, sizeof(*s));
907 s->atim_wnd_period = values[0];
908 s->pre_tbtt = values[1];
909 s->beacon_interval = values[2];
910 dev_dbg_f(zd_chip_dev(chip), "aw %u pt %u bi %u\n",
911 s->atim_wnd_period, s->pre_tbtt, s->beacon_interval);
915 static int set_aw_pt_bi(struct zd_chip *chip, struct aw_pt_bi *s)
917 struct zd_ioreq32 reqs[3];
919 if (s->beacon_interval <= 5)
920 s->beacon_interval = 5;
921 if (s->pre_tbtt < 4 || s->pre_tbtt >= s->beacon_interval)
922 s->pre_tbtt = s->beacon_interval - 1;
923 if (s->atim_wnd_period >= s->pre_tbtt)
924 s->atim_wnd_period = s->pre_tbtt - 1;
926 reqs[0].addr = CR_ATIM_WND_PERIOD;
927 reqs[0].value = s->atim_wnd_period;
928 reqs[1].addr = CR_PRE_TBTT;
929 reqs[1].value = s->pre_tbtt;
930 reqs[2].addr = CR_BCN_INTERVAL;
931 reqs[2].value = s->beacon_interval;
933 dev_dbg_f(zd_chip_dev(chip),
934 "aw %u pt %u bi %u\n", s->atim_wnd_period, s->pre_tbtt,
936 return zd_iowrite32a_locked(chip, reqs, ARRAY_SIZE(reqs));
940 static int set_beacon_interval(struct zd_chip *chip, u32 interval)
945 ZD_ASSERT(mutex_is_locked(&chip->mutex));
946 r = get_aw_pt_bi(chip, &s);
949 s.beacon_interval = interval;
950 return set_aw_pt_bi(chip, &s);
953 int zd_set_beacon_interval(struct zd_chip *chip, u32 interval)
957 mutex_lock(&chip->mutex);
958 r = set_beacon_interval(chip, interval);
959 mutex_unlock(&chip->mutex);
963 static int hw_init(struct zd_chip *chip)
967 dev_dbg_f(zd_chip_dev(chip), "\n");
968 ZD_ASSERT(mutex_is_locked(&chip->mutex));
969 r = hw_reset_phy(chip);
973 r = hw_init_hmac(chip);
977 /* Although the vendor driver defaults to a different value during
978 * init, it overwrites the IFS value with the following every time
979 * the channel changes. We should aim to be more intelligent... */
980 r = zd_iowrite32_locked(chip, IFS_VALUE_DEFAULT, CR_IFS_VALUE);
984 return set_beacon_interval(chip, 100);
988 static int dump_cr(struct zd_chip *chip, const zd_addr_t addr,
989 const char *addr_string)
994 r = zd_ioread32_locked(chip, &value, addr);
996 dev_dbg_f(zd_chip_dev(chip),
997 "error reading %s. Error number %d\n", addr_string, r);
1001 dev_dbg_f(zd_chip_dev(chip), "%s %#010x\n",
1002 addr_string, (unsigned int)value);
1006 static int test_init(struct zd_chip *chip)
1010 r = dump_cr(chip, CR_AFTER_PNP, "CR_AFTER_PNP");
1013 r = dump_cr(chip, CR_GPI_EN, "CR_GPI_EN");
1016 return dump_cr(chip, CR_INTERRUPT, "CR_INTERRUPT");
1019 static void dump_fw_registers(struct zd_chip *chip)
1021 static const zd_addr_t addr[4] = {
1022 FW_FIRMWARE_VER, FW_USB_SPEED, FW_FIX_TX_RATE,
1029 r = zd_ioread16v_locked(chip, values, (const zd_addr_t*)addr,
1032 dev_dbg_f(zd_chip_dev(chip), "error %d zd_ioread16v_locked\n",
1037 dev_dbg_f(zd_chip_dev(chip), "FW_FIRMWARE_VER %#06hx\n", values[0]);
1038 dev_dbg_f(zd_chip_dev(chip), "FW_USB_SPEED %#06hx\n", values[1]);
1039 dev_dbg_f(zd_chip_dev(chip), "FW_FIX_TX_RATE %#06hx\n", values[2]);
1040 dev_dbg_f(zd_chip_dev(chip), "FW_LINK_STATUS %#06hx\n", values[3]);
1044 static int print_fw_version(struct zd_chip *chip)
1049 r = zd_ioread16_locked(chip, &version, FW_FIRMWARE_VER);
1053 dev_info(zd_chip_dev(chip),"firmware version %04hx\n", version);
1057 static int set_mandatory_rates(struct zd_chip *chip, enum ieee80211_std std)
1060 ZD_ASSERT(mutex_is_locked(&chip->mutex));
1061 /* This sets the mandatory rates, which only depend from the standard
1062 * that the device is supporting. Until further notice we should try
1063 * to support 802.11g also for full speed USB.
1067 rates = CR_RATE_1M|CR_RATE_2M|CR_RATE_5_5M|CR_RATE_11M;
1070 rates = CR_RATE_1M|CR_RATE_2M|CR_RATE_5_5M|CR_RATE_11M|
1071 CR_RATE_6M|CR_RATE_12M|CR_RATE_24M;
1076 return zd_iowrite32_locked(chip, rates, CR_MANDATORY_RATE_TBL);
1079 int zd_chip_enable_hwint(struct zd_chip *chip)
1083 mutex_lock(&chip->mutex);
1084 r = zd_iowrite32_locked(chip, HWINT_ENABLED, CR_INTERRUPT);
1085 mutex_unlock(&chip->mutex);
1089 static int disable_hwint(struct zd_chip *chip)
1091 return zd_iowrite32_locked(chip, HWINT_DISABLED, CR_INTERRUPT);
1094 int zd_chip_disable_hwint(struct zd_chip *chip)
1098 mutex_lock(&chip->mutex);
1099 r = disable_hwint(chip);
1100 mutex_unlock(&chip->mutex);
1104 int zd_chip_init_hw(struct zd_chip *chip, u8 device_type)
1109 dev_dbg_f(zd_chip_dev(chip), "\n");
1111 mutex_lock(&chip->mutex);
1112 chip->is_zd1211b = (device_type == DEVICE_ZD1211B) != 0;
1115 r = test_init(chip);
1119 r = zd_iowrite32_locked(chip, 1, CR_AFTER_PNP);
1123 r = zd_usb_init_hw(&chip->usb);
1127 /* GPI is always disabled, also in the other driver.
1129 r = zd_iowrite32_locked(chip, 0, CR_GPI_EN);
1132 r = zd_iowrite32_locked(chip, CWIN_SIZE, CR_CWMIN_CWMAX);
1135 /* Currently we support IEEE 802.11g for full and high speed USB.
1136 * It might be discussed, whether we should suppport pure b mode for
1139 r = set_mandatory_rates(chip, IEEE80211G);
1142 /* Disabling interrupts is certainly a smart thing here.
1144 r = disable_hwint(chip);
1147 r = read_pod(chip, &rf_type);
1153 r = zd_rf_init_hw(&chip->rf, rf_type);
1157 r = print_fw_version(chip);
1162 dump_fw_registers(chip);
1163 r = test_init(chip);
1168 r = read_e2p_mac_addr(chip);
1172 r = read_cal_int_tables(chip);
1178 mutex_unlock(&chip->mutex);
1182 static int update_pwr_int(struct zd_chip *chip, u8 channel)
1184 u8 value = chip->pwr_int_values[channel - 1];
1185 dev_dbg_f(zd_chip_dev(chip), "channel %d pwr_int %#04x\n",
1187 return zd_iowrite16_locked(chip, value, CR31);
1190 static int update_pwr_cal(struct zd_chip *chip, u8 channel)
1192 u8 value = chip->pwr_cal_values[channel-1];
1193 dev_dbg_f(zd_chip_dev(chip), "channel %d pwr_cal %#04x\n",
1195 return zd_iowrite16_locked(chip, value, CR68);
1198 static int update_ofdm_cal(struct zd_chip *chip, u8 channel)
1200 struct zd_ioreq16 ioreqs[3];
1202 ioreqs[0].addr = CR67;
1203 ioreqs[0].value = chip->ofdm_cal_values[OFDM_36M_INDEX][channel-1];
1204 ioreqs[1].addr = CR66;
1205 ioreqs[1].value = chip->ofdm_cal_values[OFDM_48M_INDEX][channel-1];
1206 ioreqs[2].addr = CR65;
1207 ioreqs[2].value = chip->ofdm_cal_values[OFDM_54M_INDEX][channel-1];
1209 dev_dbg_f(zd_chip_dev(chip),
1210 "channel %d ofdm_cal 36M %#04x 48M %#04x 54M %#04x\n",
1211 channel, ioreqs[0].value, ioreqs[1].value, ioreqs[2].value);
1212 return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
1215 static int update_channel_integration_and_calibration(struct zd_chip *chip,
1220 r = update_pwr_int(chip, channel);
1223 if (chip->is_zd1211b) {
1224 static const struct zd_ioreq16 ioreqs[] = {
1230 r = update_ofdm_cal(chip, channel);
1233 r = update_pwr_cal(chip, channel);
1236 r = zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
1244 /* The CCK baseband gain can be optionally patched by the EEPROM */
1245 static int patch_cck_gain(struct zd_chip *chip)
1250 if (!chip->patch_cck_gain)
1253 ZD_ASSERT(mutex_is_locked(&chip->mutex));
1254 r = zd_ioread32_locked(chip, &value, E2P_PHY_REG);
1257 dev_dbg_f(zd_chip_dev(chip), "patching value %x\n", value & 0xff);
1258 return zd_iowrite16_locked(chip, value & 0xff, CR47);
1261 int zd_chip_set_channel(struct zd_chip *chip, u8 channel)
1265 mutex_lock(&chip->mutex);
1266 r = zd_chip_lock_phy_regs(chip);
1269 r = zd_rf_set_channel(&chip->rf, channel);
1272 r = update_channel_integration_and_calibration(chip, channel);
1275 r = patch_cck_gain(chip);
1278 r = patch_6m_band_edge(chip, channel);
1281 r = zd_iowrite32_locked(chip, 0, CR_CONFIG_PHILIPS);
1283 t = zd_chip_unlock_phy_regs(chip);
1287 mutex_unlock(&chip->mutex);
1291 u8 zd_chip_get_channel(struct zd_chip *chip)
1295 mutex_lock(&chip->mutex);
1296 channel = chip->rf.channel;
1297 mutex_unlock(&chip->mutex);
1301 int zd_chip_control_leds(struct zd_chip *chip, enum led_status status)
1303 static const zd_addr_t a[] = {
1309 u16 v[ARRAY_SIZE(a)];
1310 struct zd_ioreq16 ioreqs[ARRAY_SIZE(a)] = {
1311 [0] = { FW_LINK_STATUS },
1316 mutex_lock(&chip->mutex);
1317 r = zd_ioread16v_locked(chip, v, (const zd_addr_t *)a, ARRAY_SIZE(a));
1321 other_led = chip->link_led == LED1 ? LED2 : LED1;
1325 ioreqs[0].value = FW_LINK_OFF;
1326 ioreqs[1].value = v[1] & ~(LED1|LED2);
1329 ioreqs[0].value = FW_LINK_OFF;
1330 ioreqs[1].value = v[1] & ~other_led;
1331 if (get_seconds() % 3 == 0) {
1332 ioreqs[1].value &= ~chip->link_led;
1334 ioreqs[1].value |= chip->link_led;
1337 case LED_ASSOCIATED:
1338 ioreqs[0].value = FW_LINK_TX;
1339 ioreqs[1].value = v[1] & ~other_led;
1340 ioreqs[1].value |= chip->link_led;
1347 if (v[0] != ioreqs[0].value || v[1] != ioreqs[1].value) {
1348 r = zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
1354 mutex_unlock(&chip->mutex);
1358 int zd_chip_set_basic_rates(struct zd_chip *chip, u16 cr_rates)
1362 if (cr_rates & ~(CR_RATES_80211B|CR_RATES_80211G))
1365 mutex_lock(&chip->mutex);
1366 r = zd_iowrite32_locked(chip, cr_rates, CR_BASIC_RATE_TBL);
1367 mutex_unlock(&chip->mutex);
1371 static int ofdm_qual_db(u8 status_quality, u8 rate, unsigned int size)
1373 static const u16 constants[] = {
1374 715, 655, 585, 540, 470, 410, 360, 315,
1375 270, 235, 205, 175, 150, 125, 105, 85,
1382 /* It seems that their quality parameter is somehow per signal
1383 * and is now transferred per bit.
1386 case ZD_OFDM_RATE_6M:
1387 case ZD_OFDM_RATE_12M:
1388 case ZD_OFDM_RATE_24M:
1391 case ZD_OFDM_RATE_9M:
1392 case ZD_OFDM_RATE_18M:
1393 case ZD_OFDM_RATE_36M:
1394 case ZD_OFDM_RATE_54M:
1398 case ZD_OFDM_RATE_48M:
1406 x = (10000 * status_quality)/size;
1407 for (i = 0; i < ARRAY_SIZE(constants); i++) {
1408 if (x > constants[i])
1413 case ZD_OFDM_RATE_6M:
1414 case ZD_OFDM_RATE_9M:
1417 case ZD_OFDM_RATE_12M:
1418 case ZD_OFDM_RATE_18M:
1421 case ZD_OFDM_RATE_24M:
1422 case ZD_OFDM_RATE_36M:
1425 case ZD_OFDM_RATE_48M:
1426 case ZD_OFDM_RATE_54M:
1436 static int ofdm_qual_percent(u8 status_quality, u8 rate, unsigned int size)
1440 r = ofdm_qual_db(status_quality, rate, size);
1446 return r <= 100 ? r : 100;
1449 static unsigned int log10times100(unsigned int x)
1451 static const u8 log10[] = {
1453 0, 30, 47, 60, 69, 77, 84, 90, 95, 100,
1454 104, 107, 111, 114, 117, 120, 123, 125, 127, 130,
1455 132, 134, 136, 138, 139, 141, 143, 144, 146, 147,
1456 149, 150, 151, 153, 154, 155, 156, 157, 159, 160,
1457 161, 162, 163, 164, 165, 166, 167, 168, 169, 169,
1458 170, 171, 172, 173, 174, 174, 175, 176, 177, 177,
1459 178, 179, 179, 180, 181, 181, 182, 183, 183, 184,
1460 185, 185, 186, 186, 187, 188, 188, 189, 189, 190,
1461 190, 191, 191, 192, 192, 193, 193, 194, 194, 195,
1462 195, 196, 196, 197, 197, 198, 198, 199, 199, 200,
1463 200, 200, 201, 201, 202, 202, 202, 203, 203, 204,
1464 204, 204, 205, 205, 206, 206, 206, 207, 207, 207,
1465 208, 208, 208, 209, 209, 210, 210, 210, 211, 211,
1466 211, 212, 212, 212, 213, 213, 213, 213, 214, 214,
1467 214, 215, 215, 215, 216, 216, 216, 217, 217, 217,
1468 217, 218, 218, 218, 219, 219, 219, 219, 220, 220,
1469 220, 220, 221, 221, 221, 222, 222, 222, 222, 223,
1470 223, 223, 223, 224, 224, 224, 224,
1473 return x < ARRAY_SIZE(log10) ? log10[x] : 225;
1477 MAX_CCK_EVM_DB = 45,
1480 static int cck_evm_db(u8 status_quality)
1482 return (20 * log10times100(status_quality)) / 100;
1485 static int cck_snr_db(u8 status_quality)
1487 int r = MAX_CCK_EVM_DB - cck_evm_db(status_quality);
1492 static int cck_qual_percent(u8 status_quality)
1496 r = cck_snr_db(status_quality);
1498 return r <= 100 ? r : 100;
1501 u8 zd_rx_qual_percent(const void *rx_frame, unsigned int size,
1502 const struct rx_status *status)
1504 return (status->frame_status&ZD_RX_OFDM) ?
1505 ofdm_qual_percent(status->signal_quality_ofdm,
1506 zd_ofdm_plcp_header_rate(rx_frame),
1508 cck_qual_percent(status->signal_quality_cck);
1511 u8 zd_rx_strength_percent(u8 rssi)
1513 int r = (rssi*100) / 41;
1519 u16 zd_rx_rate(const void *rx_frame, const struct rx_status *status)
1521 static const u16 ofdm_rates[] = {
1522 [ZD_OFDM_RATE_6M] = 60,
1523 [ZD_OFDM_RATE_9M] = 90,
1524 [ZD_OFDM_RATE_12M] = 120,
1525 [ZD_OFDM_RATE_18M] = 180,
1526 [ZD_OFDM_RATE_24M] = 240,
1527 [ZD_OFDM_RATE_36M] = 360,
1528 [ZD_OFDM_RATE_48M] = 480,
1529 [ZD_OFDM_RATE_54M] = 540,
1532 if (status->frame_status & ZD_RX_OFDM) {
1533 u8 ofdm_rate = zd_ofdm_plcp_header_rate(rx_frame);
1534 rate = ofdm_rates[ofdm_rate & 0xf];
1536 u8 cck_rate = zd_cck_plcp_header_rate(rx_frame);
1538 case ZD_CCK_SIGNAL_1M:
1541 case ZD_CCK_SIGNAL_2M:
1544 case ZD_CCK_SIGNAL_5M5:
1547 case ZD_CCK_SIGNAL_11M:
1558 int zd_chip_switch_radio_on(struct zd_chip *chip)
1562 mutex_lock(&chip->mutex);
1563 r = zd_switch_radio_on(&chip->rf);
1564 mutex_unlock(&chip->mutex);
1568 int zd_chip_switch_radio_off(struct zd_chip *chip)
1572 mutex_lock(&chip->mutex);
1573 r = zd_switch_radio_off(&chip->rf);
1574 mutex_unlock(&chip->mutex);
1578 int zd_chip_enable_int(struct zd_chip *chip)
1582 mutex_lock(&chip->mutex);
1583 r = zd_usb_enable_int(&chip->usb);
1584 mutex_unlock(&chip->mutex);
1588 void zd_chip_disable_int(struct zd_chip *chip)
1590 mutex_lock(&chip->mutex);
1591 zd_usb_disable_int(&chip->usb);
1592 mutex_unlock(&chip->mutex);
1595 int zd_chip_enable_rx(struct zd_chip *chip)
1599 mutex_lock(&chip->mutex);
1600 r = zd_usb_enable_rx(&chip->usb);
1601 mutex_unlock(&chip->mutex);
1605 void zd_chip_disable_rx(struct zd_chip *chip)
1607 mutex_lock(&chip->mutex);
1608 zd_usb_disable_rx(&chip->usb);
1609 mutex_unlock(&chip->mutex);
1612 int zd_rfwritev_locked(struct zd_chip *chip,
1613 const u32* values, unsigned int count, u8 bits)
1618 for (i = 0; i < count; i++) {
1619 r = zd_rfwrite_locked(chip, values[i], bits);
1628 * We can optionally program the RF directly through CR regs, if supported by
1629 * the hardware. This is much faster than the older method.
1631 int zd_rfwrite_cr_locked(struct zd_chip *chip, u32 value)
1633 struct zd_ioreq16 ioreqs[] = {
1634 { CR244, (value >> 16) & 0xff },
1635 { CR243, (value >> 8) & 0xff },
1636 { CR242, value & 0xff },
1638 ZD_ASSERT(mutex_is_locked(&chip->mutex));
1639 return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
1642 int zd_rfwritev_cr_locked(struct zd_chip *chip,
1643 const u32 *values, unsigned int count)
1648 for (i = 0; i < count; i++) {
1649 r = zd_rfwrite_cr_locked(chip, values[i]);