1 /* ZD1211 USB-WLAN driver for Linux
3 * Copyright (C) 2005-2007 Ulrich Kunitz <kune@deine-taler.de>
4 * Copyright (C) 2006-2007 Daniel Drake <dsd@gentoo.org>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 /* This file implements all the hardware specific functions for the ZD1211
22 * and ZD1211B chips. Support for the ZD1211B was possible after Timothy
23 * Legge sent me a ZD1211B device. Thank you Tim. -- Uli
26 #include <linux/kernel.h>
27 #include <linux/errno.h>
31 #include "zd_ieee80211.h"
35 void zd_chip_init(struct zd_chip *chip,
36 struct ieee80211_hw *hw,
37 struct usb_interface *intf)
39 memset(chip, 0, sizeof(*chip));
40 mutex_init(&chip->mutex);
41 zd_usb_init(&chip->usb, hw, intf);
42 zd_rf_init(&chip->rf);
45 void zd_chip_clear(struct zd_chip *chip)
47 ZD_ASSERT(!mutex_is_locked(&chip->mutex));
48 zd_usb_clear(&chip->usb);
49 zd_rf_clear(&chip->rf);
50 mutex_destroy(&chip->mutex);
51 ZD_MEMCLEAR(chip, sizeof(*chip));
54 static int scnprint_mac_oui(struct zd_chip *chip, char *buffer, size_t size)
56 u8 *addr = zd_mac_get_perm_addr(zd_chip_to_mac(chip));
57 return scnprintf(buffer, size, "%02x-%02x-%02x",
58 addr[0], addr[1], addr[2]);
61 /* Prints an identifier line, which will support debugging. */
62 static int scnprint_id(struct zd_chip *chip, char *buffer, size_t size)
66 i = scnprintf(buffer, size, "zd1211%s chip ",
67 zd_chip_is_zd1211b(chip) ? "b" : "");
68 i += zd_usb_scnprint_id(&chip->usb, buffer+i, size-i);
69 i += scnprintf(buffer+i, size-i, " ");
70 i += scnprint_mac_oui(chip, buffer+i, size-i);
71 i += scnprintf(buffer+i, size-i, " ");
72 i += zd_rf_scnprint_id(&chip->rf, buffer+i, size-i);
73 i += scnprintf(buffer+i, size-i, " pa%1x %c%c%c%c%c", chip->pa_type,
74 chip->patch_cck_gain ? 'g' : '-',
75 chip->patch_cr157 ? '7' : '-',
76 chip->patch_6m_band_edge ? '6' : '-',
77 chip->new_phy_layout ? 'N' : '-',
78 chip->al2230s_bit ? 'S' : '-');
82 static void print_id(struct zd_chip *chip)
86 scnprint_id(chip, buffer, sizeof(buffer));
87 buffer[sizeof(buffer)-1] = 0;
88 dev_info(zd_chip_dev(chip), "%s\n", buffer);
91 static zd_addr_t inc_addr(zd_addr_t addr)
94 /* Control registers use byte addressing, but everything else uses word
96 if ((a & 0xf000) == CR_START)
103 /* Read a variable number of 32-bit values. Parameter count is not allowed to
104 * exceed USB_MAX_IOREAD32_COUNT.
106 int zd_ioread32v_locked(struct zd_chip *chip, u32 *values, const zd_addr_t *addr,
113 unsigned int count16;
115 if (count > USB_MAX_IOREAD32_COUNT)
118 /* Allocate a single memory block for values and addresses. */
120 a16 = (zd_addr_t *) kmalloc(count16 * (sizeof(zd_addr_t) + sizeof(u16)),
123 dev_dbg_f(zd_chip_dev(chip),
124 "error ENOMEM in allocation of a16\n");
128 v16 = (u16 *)(a16 + count16);
130 for (i = 0; i < count; i++) {
132 /* We read the high word always first. */
133 a16[j] = inc_addr(addr[i]);
137 r = zd_ioread16v_locked(chip, v16, a16, count16);
139 dev_dbg_f(zd_chip_dev(chip),
140 "error: zd_ioread16v_locked. Error number %d\n", r);
144 for (i = 0; i < count; i++) {
146 values[i] = (v16[j] << 16) | v16[j+1];
154 int _zd_iowrite32v_locked(struct zd_chip *chip, const struct zd_ioreq32 *ioreqs,
158 struct zd_ioreq16 *ioreqs16;
159 unsigned int count16;
161 ZD_ASSERT(mutex_is_locked(&chip->mutex));
165 if (count > USB_MAX_IOWRITE32_COUNT)
168 /* Allocate a single memory block for values and addresses. */
170 ioreqs16 = kmalloc(count16 * sizeof(struct zd_ioreq16), GFP_KERNEL);
173 dev_dbg_f(zd_chip_dev(chip),
174 "error %d in ioreqs16 allocation\n", r);
178 for (i = 0; i < count; i++) {
180 /* We write the high word always first. */
181 ioreqs16[j].value = ioreqs[i].value >> 16;
182 ioreqs16[j].addr = inc_addr(ioreqs[i].addr);
183 ioreqs16[j+1].value = ioreqs[i].value;
184 ioreqs16[j+1].addr = ioreqs[i].addr;
187 r = zd_usb_iowrite16v(&chip->usb, ioreqs16, count16);
190 dev_dbg_f(zd_chip_dev(chip),
191 "error %d in zd_usb_write16v\n", r);
199 int zd_iowrite16a_locked(struct zd_chip *chip,
200 const struct zd_ioreq16 *ioreqs, unsigned int count)
203 unsigned int i, j, t, max;
205 ZD_ASSERT(mutex_is_locked(&chip->mutex));
206 for (i = 0; i < count; i += j + t) {
209 if (max > USB_MAX_IOWRITE16_COUNT)
210 max = USB_MAX_IOWRITE16_COUNT;
211 for (j = 0; j < max; j++) {
212 if (!ioreqs[i+j].addr) {
218 r = zd_usb_iowrite16v(&chip->usb, &ioreqs[i], j);
220 dev_dbg_f(zd_chip_dev(chip),
221 "error zd_usb_iowrite16v. Error number %d\n",
230 /* Writes a variable number of 32 bit registers. The functions will split
231 * that in several USB requests. A split can be forced by inserting an IO
232 * request with an zero address field.
234 int zd_iowrite32a_locked(struct zd_chip *chip,
235 const struct zd_ioreq32 *ioreqs, unsigned int count)
238 unsigned int i, j, t, max;
240 for (i = 0; i < count; i += j + t) {
243 if (max > USB_MAX_IOWRITE32_COUNT)
244 max = USB_MAX_IOWRITE32_COUNT;
245 for (j = 0; j < max; j++) {
246 if (!ioreqs[i+j].addr) {
252 r = _zd_iowrite32v_locked(chip, &ioreqs[i], j);
254 dev_dbg_f(zd_chip_dev(chip),
255 "error _zd_iowrite32v_locked."
256 " Error number %d\n", r);
264 int zd_ioread16(struct zd_chip *chip, zd_addr_t addr, u16 *value)
268 mutex_lock(&chip->mutex);
269 r = zd_ioread16_locked(chip, value, addr);
270 mutex_unlock(&chip->mutex);
274 int zd_ioread32(struct zd_chip *chip, zd_addr_t addr, u32 *value)
278 mutex_lock(&chip->mutex);
279 r = zd_ioread32_locked(chip, value, addr);
280 mutex_unlock(&chip->mutex);
284 int zd_iowrite16(struct zd_chip *chip, zd_addr_t addr, u16 value)
288 mutex_lock(&chip->mutex);
289 r = zd_iowrite16_locked(chip, value, addr);
290 mutex_unlock(&chip->mutex);
294 int zd_iowrite32(struct zd_chip *chip, zd_addr_t addr, u32 value)
298 mutex_lock(&chip->mutex);
299 r = zd_iowrite32_locked(chip, value, addr);
300 mutex_unlock(&chip->mutex);
304 int zd_ioread32v(struct zd_chip *chip, const zd_addr_t *addresses,
305 u32 *values, unsigned int count)
309 mutex_lock(&chip->mutex);
310 r = zd_ioread32v_locked(chip, values, addresses, count);
311 mutex_unlock(&chip->mutex);
315 int zd_iowrite32a(struct zd_chip *chip, const struct zd_ioreq32 *ioreqs,
320 mutex_lock(&chip->mutex);
321 r = zd_iowrite32a_locked(chip, ioreqs, count);
322 mutex_unlock(&chip->mutex);
326 static int read_pod(struct zd_chip *chip, u8 *rf_type)
331 ZD_ASSERT(mutex_is_locked(&chip->mutex));
332 r = zd_ioread32_locked(chip, &value, E2P_POD);
335 dev_dbg_f(zd_chip_dev(chip), "E2P_POD %#010x\n", value);
337 /* FIXME: AL2230 handling (Bit 7 in POD) */
338 *rf_type = value & 0x0f;
339 chip->pa_type = (value >> 16) & 0x0f;
340 chip->patch_cck_gain = (value >> 8) & 0x1;
341 chip->patch_cr157 = (value >> 13) & 0x1;
342 chip->patch_6m_band_edge = (value >> 21) & 0x1;
343 chip->new_phy_layout = (value >> 31) & 0x1;
344 chip->al2230s_bit = (value >> 7) & 0x1;
345 chip->link_led = ((value >> 4) & 1) ? LED1 : LED2;
346 chip->supports_tx_led = 1;
347 if (value & (1 << 24)) { /* LED scenario */
348 if (value & (1 << 29))
349 chip->supports_tx_led = 0;
352 dev_dbg_f(zd_chip_dev(chip),
353 "RF %s %#01x PA type %#01x patch CCK %d patch CR157 %d "
354 "patch 6M %d new PHY %d link LED%d tx led %d\n",
355 zd_rf_name(*rf_type), *rf_type,
356 chip->pa_type, chip->patch_cck_gain,
357 chip->patch_cr157, chip->patch_6m_band_edge,
358 chip->new_phy_layout,
359 chip->link_led == LED1 ? 1 : 2,
360 chip->supports_tx_led);
365 chip->patch_cck_gain = 0;
366 chip->patch_cr157 = 0;
367 chip->patch_6m_band_edge = 0;
368 chip->new_phy_layout = 0;
372 /* MAC address: if custom mac addresses are to to be used CR_MAC_ADDR_P1 and
373 * CR_MAC_ADDR_P2 must be overwritten
375 int zd_write_mac_addr(struct zd_chip *chip, const u8 *mac_addr)
378 struct zd_ioreq32 reqs[2] = {
379 [0] = { .addr = CR_MAC_ADDR_P1 },
380 [1] = { .addr = CR_MAC_ADDR_P2 },
382 DECLARE_MAC_BUF(mac);
385 reqs[0].value = (mac_addr[3] << 24)
386 | (mac_addr[2] << 16)
389 reqs[1].value = (mac_addr[5] << 8)
391 dev_dbg_f(zd_chip_dev(chip),
392 "mac addr %s\n", print_mac(mac, mac_addr));
394 dev_dbg_f(zd_chip_dev(chip), "set NULL mac\n");
397 mutex_lock(&chip->mutex);
398 r = zd_iowrite32a_locked(chip, reqs, ARRAY_SIZE(reqs));
399 mutex_unlock(&chip->mutex);
403 int zd_read_regdomain(struct zd_chip *chip, u8 *regdomain)
408 mutex_lock(&chip->mutex);
409 r = zd_ioread32_locked(chip, &value, E2P_SUBID);
410 mutex_unlock(&chip->mutex);
414 *regdomain = value >> 16;
415 dev_dbg_f(zd_chip_dev(chip), "regdomain: %#04x\n", *regdomain);
420 static int read_values(struct zd_chip *chip, u8 *values, size_t count,
421 zd_addr_t e2p_addr, u32 guard)
427 ZD_ASSERT(mutex_is_locked(&chip->mutex));
429 r = zd_ioread32_locked(chip, &v,
430 (zd_addr_t)((u16)e2p_addr+i/2));
436 values[i++] = v >> 8;
437 values[i++] = v >> 16;
438 values[i++] = v >> 24;
441 for (;i < count; i++)
442 values[i] = v >> (8*(i%3));
447 static int read_pwr_cal_values(struct zd_chip *chip)
449 return read_values(chip, chip->pwr_cal_values,
450 E2P_CHANNEL_COUNT, E2P_PWR_CAL_VALUE1,
454 static int read_pwr_int_values(struct zd_chip *chip)
456 return read_values(chip, chip->pwr_int_values,
457 E2P_CHANNEL_COUNT, E2P_PWR_INT_VALUE1,
461 static int read_ofdm_cal_values(struct zd_chip *chip)
465 static const zd_addr_t addresses[] = {
471 for (i = 0; i < 3; i++) {
472 r = read_values(chip, chip->ofdm_cal_values[i],
473 E2P_CHANNEL_COUNT, addresses[i], 0);
480 static int read_cal_int_tables(struct zd_chip *chip)
484 r = read_pwr_cal_values(chip);
487 r = read_pwr_int_values(chip);
490 r = read_ofdm_cal_values(chip);
496 /* phy means physical registers */
497 int zd_chip_lock_phy_regs(struct zd_chip *chip)
502 ZD_ASSERT(mutex_is_locked(&chip->mutex));
503 r = zd_ioread32_locked(chip, &tmp, CR_REG1);
505 dev_err(zd_chip_dev(chip), "error ioread32(CR_REG1): %d\n", r);
509 tmp &= ~UNLOCK_PHY_REGS;
511 r = zd_iowrite32_locked(chip, tmp, CR_REG1);
513 dev_err(zd_chip_dev(chip), "error iowrite32(CR_REG1): %d\n", r);
517 int zd_chip_unlock_phy_regs(struct zd_chip *chip)
522 ZD_ASSERT(mutex_is_locked(&chip->mutex));
523 r = zd_ioread32_locked(chip, &tmp, CR_REG1);
525 dev_err(zd_chip_dev(chip),
526 "error ioread32(CR_REG1): %d\n", r);
530 tmp |= UNLOCK_PHY_REGS;
532 r = zd_iowrite32_locked(chip, tmp, CR_REG1);
534 dev_err(zd_chip_dev(chip), "error iowrite32(CR_REG1): %d\n", r);
538 /* CR157 can be optionally patched by the EEPROM for original ZD1211 */
539 static int patch_cr157(struct zd_chip *chip)
544 if (!chip->patch_cr157)
547 r = zd_ioread16_locked(chip, &value, E2P_PHY_REG);
551 dev_dbg_f(zd_chip_dev(chip), "patching value %x\n", value >> 8);
552 return zd_iowrite32_locked(chip, value >> 8, CR157);
556 * 6M band edge can be optionally overwritten for certain RF's
557 * Vendor driver says: for FCC regulation, enabled per HWFeature 6M band edge
558 * bit (for AL2230, AL2230S)
560 static int patch_6m_band_edge(struct zd_chip *chip, u8 channel)
562 ZD_ASSERT(mutex_is_locked(&chip->mutex));
563 if (!chip->patch_6m_band_edge)
566 return zd_rf_patch_6m_band_edge(&chip->rf, channel);
569 /* Generic implementation of 6M band edge patching, used by most RFs via
570 * zd_rf_generic_patch_6m() */
571 int zd_chip_generic_patch_6m_band(struct zd_chip *chip, int channel)
573 struct zd_ioreq16 ioreqs[] = {
574 { CR128, 0x14 }, { CR129, 0x12 }, { CR130, 0x10 },
578 /* FIXME: Channel 11 is not the edge for all regulatory domains. */
579 if (channel == 1 || channel == 11)
580 ioreqs[0].value = 0x12;
582 dev_dbg_f(zd_chip_dev(chip), "patching for channel %d\n", channel);
583 return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
586 static int zd1211_hw_reset_phy(struct zd_chip *chip)
588 static const struct zd_ioreq16 ioreqs[] = {
589 { CR0, 0x0a }, { CR1, 0x06 }, { CR2, 0x26 },
590 { CR3, 0x38 }, { CR4, 0x80 }, { CR9, 0xa0 },
591 { CR10, 0x81 }, { CR11, 0x00 }, { CR12, 0x7f },
592 { CR13, 0x8c }, { CR14, 0x80 }, { CR15, 0x3d },
593 { CR16, 0x20 }, { CR17, 0x1e }, { CR18, 0x0a },
594 { CR19, 0x48 }, { CR20, 0x0c }, { CR21, 0x0c },
595 { CR22, 0x23 }, { CR23, 0x90 }, { CR24, 0x14 },
596 { CR25, 0x40 }, { CR26, 0x10 }, { CR27, 0x19 },
597 { CR28, 0x7f }, { CR29, 0x80 }, { CR30, 0x4b },
598 { CR31, 0x60 }, { CR32, 0x43 }, { CR33, 0x08 },
599 { CR34, 0x06 }, { CR35, 0x0a }, { CR36, 0x00 },
600 { CR37, 0x00 }, { CR38, 0x38 }, { CR39, 0x0c },
601 { CR40, 0x84 }, { CR41, 0x2a }, { CR42, 0x80 },
602 { CR43, 0x10 }, { CR44, 0x12 }, { CR46, 0xff },
603 { CR47, 0x1E }, { CR48, 0x26 }, { CR49, 0x5b },
604 { CR64, 0xd0 }, { CR65, 0x04 }, { CR66, 0x58 },
605 { CR67, 0xc9 }, { CR68, 0x88 }, { CR69, 0x41 },
606 { CR70, 0x23 }, { CR71, 0x10 }, { CR72, 0xff },
607 { CR73, 0x32 }, { CR74, 0x30 }, { CR75, 0x65 },
608 { CR76, 0x41 }, { CR77, 0x1b }, { CR78, 0x30 },
609 { CR79, 0x68 }, { CR80, 0x64 }, { CR81, 0x64 },
610 { CR82, 0x00 }, { CR83, 0x00 }, { CR84, 0x00 },
611 { CR85, 0x02 }, { CR86, 0x00 }, { CR87, 0x00 },
612 { CR88, 0xff }, { CR89, 0xfc }, { CR90, 0x00 },
613 { CR91, 0x00 }, { CR92, 0x00 }, { CR93, 0x08 },
614 { CR94, 0x00 }, { CR95, 0x00 }, { CR96, 0xff },
615 { CR97, 0xe7 }, { CR98, 0x00 }, { CR99, 0x00 },
616 { CR100, 0x00 }, { CR101, 0xae }, { CR102, 0x02 },
617 { CR103, 0x00 }, { CR104, 0x03 }, { CR105, 0x65 },
618 { CR106, 0x04 }, { CR107, 0x00 }, { CR108, 0x0a },
619 { CR109, 0xaa }, { CR110, 0xaa }, { CR111, 0x25 },
620 { CR112, 0x25 }, { CR113, 0x00 }, { CR119, 0x1e },
621 { CR125, 0x90 }, { CR126, 0x00 }, { CR127, 0x00 },
623 { CR5, 0x00 }, { CR6, 0x00 }, { CR7, 0x00 },
624 { CR8, 0x00 }, { CR9, 0x20 }, { CR12, 0xf0 },
625 { CR20, 0x0e }, { CR21, 0x0e }, { CR27, 0x10 },
626 { CR44, 0x33 }, { CR47, 0x1E }, { CR83, 0x24 },
627 { CR84, 0x04 }, { CR85, 0x00 }, { CR86, 0x0C },
628 { CR87, 0x12 }, { CR88, 0x0C }, { CR89, 0x00 },
629 { CR90, 0x10 }, { CR91, 0x08 }, { CR93, 0x00 },
630 { CR94, 0x01 }, { CR95, 0x00 }, { CR96, 0x50 },
631 { CR97, 0x37 }, { CR98, 0x35 }, { CR101, 0x13 },
632 { CR102, 0x27 }, { CR103, 0x27 }, { CR104, 0x18 },
633 { CR105, 0x12 }, { CR109, 0x27 }, { CR110, 0x27 },
634 { CR111, 0x27 }, { CR112, 0x27 }, { CR113, 0x27 },
635 { CR114, 0x27 }, { CR115, 0x26 }, { CR116, 0x24 },
636 { CR117, 0xfc }, { CR118, 0xfa }, { CR120, 0x4f },
637 { CR125, 0xaa }, { CR127, 0x03 }, { CR128, 0x14 },
638 { CR129, 0x12 }, { CR130, 0x10 }, { CR131, 0x0C },
639 { CR136, 0xdf }, { CR137, 0x40 }, { CR138, 0xa0 },
640 { CR139, 0xb0 }, { CR140, 0x99 }, { CR141, 0x82 },
641 { CR142, 0x54 }, { CR143, 0x1c }, { CR144, 0x6c },
642 { CR147, 0x07 }, { CR148, 0x4c }, { CR149, 0x50 },
643 { CR150, 0x0e }, { CR151, 0x18 }, { CR160, 0xfe },
644 { CR161, 0xee }, { CR162, 0xaa }, { CR163, 0xfa },
645 { CR164, 0xfa }, { CR165, 0xea }, { CR166, 0xbe },
646 { CR167, 0xbe }, { CR168, 0x6a }, { CR169, 0xba },
647 { CR170, 0xba }, { CR171, 0xba },
648 /* Note: CR204 must lead the CR203 */
656 dev_dbg_f(zd_chip_dev(chip), "\n");
658 r = zd_chip_lock_phy_regs(chip);
662 r = zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
666 r = patch_cr157(chip);
668 t = zd_chip_unlock_phy_regs(chip);
675 static int zd1211b_hw_reset_phy(struct zd_chip *chip)
677 static const struct zd_ioreq16 ioreqs[] = {
678 { CR0, 0x14 }, { CR1, 0x06 }, { CR2, 0x26 },
679 { CR3, 0x38 }, { CR4, 0x80 }, { CR9, 0xe0 },
681 /* power control { { CR11, 1 << 6 }, */
683 { CR12, 0xf0 }, { CR13, 0x8c }, { CR14, 0x80 },
684 { CR15, 0x3d }, { CR16, 0x20 }, { CR17, 0x1e },
685 { CR18, 0x0a }, { CR19, 0x48 },
686 { CR20, 0x10 }, /* Org:0x0E, ComTrend:RalLink AP */
687 { CR21, 0x0e }, { CR22, 0x23 }, { CR23, 0x90 },
688 { CR24, 0x14 }, { CR25, 0x40 }, { CR26, 0x10 },
689 { CR27, 0x10 }, { CR28, 0x7f }, { CR29, 0x80 },
690 { CR30, 0x4b }, /* ASIC/FWT, no jointly decoder */
691 { CR31, 0x60 }, { CR32, 0x43 }, { CR33, 0x08 },
692 { CR34, 0x06 }, { CR35, 0x0a }, { CR36, 0x00 },
693 { CR37, 0x00 }, { CR38, 0x38 }, { CR39, 0x0c },
694 { CR40, 0x84 }, { CR41, 0x2a }, { CR42, 0x80 },
695 { CR43, 0x10 }, { CR44, 0x33 }, { CR46, 0xff },
696 { CR47, 0x1E }, { CR48, 0x26 }, { CR49, 0x5b },
697 { CR64, 0xd0 }, { CR65, 0x04 }, { CR66, 0x58 },
698 { CR67, 0xc9 }, { CR68, 0x88 }, { CR69, 0x41 },
699 { CR70, 0x23 }, { CR71, 0x10 }, { CR72, 0xff },
700 { CR73, 0x32 }, { CR74, 0x30 }, { CR75, 0x65 },
701 { CR76, 0x41 }, { CR77, 0x1b }, { CR78, 0x30 },
702 { CR79, 0xf0 }, { CR80, 0x64 }, { CR81, 0x64 },
703 { CR82, 0x00 }, { CR83, 0x24 }, { CR84, 0x04 },
704 { CR85, 0x00 }, { CR86, 0x0c }, { CR87, 0x12 },
705 { CR88, 0x0c }, { CR89, 0x00 }, { CR90, 0x58 },
706 { CR91, 0x04 }, { CR92, 0x00 }, { CR93, 0x00 },
708 { CR95, 0x20 }, /* ZD1211B */
709 { CR96, 0x50 }, { CR97, 0x37 }, { CR98, 0x35 },
710 { CR99, 0x00 }, { CR100, 0x01 }, { CR101, 0x13 },
711 { CR102, 0x27 }, { CR103, 0x27 }, { CR104, 0x18 },
712 { CR105, 0x12 }, { CR106, 0x04 }, { CR107, 0x00 },
713 { CR108, 0x0a }, { CR109, 0x27 }, { CR110, 0x27 },
714 { CR111, 0x27 }, { CR112, 0x27 }, { CR113, 0x27 },
715 { CR114, 0x27 }, { CR115, 0x26 }, { CR116, 0x24 },
716 { CR117, 0xfc }, { CR118, 0xfa }, { CR119, 0x1e },
717 { CR125, 0x90 }, { CR126, 0x00 }, { CR127, 0x00 },
718 { CR128, 0x14 }, { CR129, 0x12 }, { CR130, 0x10 },
719 { CR131, 0x0c }, { CR136, 0xdf }, { CR137, 0xa0 },
720 { CR138, 0xa8 }, { CR139, 0xb4 }, { CR140, 0x98 },
721 { CR141, 0x82 }, { CR142, 0x53 }, { CR143, 0x1c },
722 { CR144, 0x6c }, { CR147, 0x07 }, { CR148, 0x40 },
723 { CR149, 0x40 }, /* Org:0x50 ComTrend:RalLink AP */
724 { CR150, 0x14 }, /* Org:0x0E ComTrend:RalLink AP */
725 { CR151, 0x18 }, { CR159, 0x70 }, { CR160, 0xfe },
726 { CR161, 0xee }, { CR162, 0xaa }, { CR163, 0xfa },
727 { CR164, 0xfa }, { CR165, 0xea }, { CR166, 0xbe },
728 { CR167, 0xbe }, { CR168, 0x6a }, { CR169, 0xba },
729 { CR170, 0xba }, { CR171, 0xba },
730 /* Note: CR204 must lead the CR203 */
738 dev_dbg_f(zd_chip_dev(chip), "\n");
740 r = zd_chip_lock_phy_regs(chip);
744 r = zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
745 t = zd_chip_unlock_phy_regs(chip);
752 static int hw_reset_phy(struct zd_chip *chip)
754 return zd_chip_is_zd1211b(chip) ? zd1211b_hw_reset_phy(chip) :
755 zd1211_hw_reset_phy(chip);
758 static int zd1211_hw_init_hmac(struct zd_chip *chip)
760 static const struct zd_ioreq32 ioreqs[] = {
761 { CR_ZD1211_RETRY_MAX, 0x2 },
762 { CR_RX_THRESHOLD, 0x000c0640 },
765 dev_dbg_f(zd_chip_dev(chip), "\n");
766 ZD_ASSERT(mutex_is_locked(&chip->mutex));
767 return zd_iowrite32a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
770 static int zd1211b_hw_init_hmac(struct zd_chip *chip)
772 static const struct zd_ioreq32 ioreqs[] = {
773 { CR_ZD1211B_RETRY_MAX, 0x02020202 },
774 { CR_ZD1211B_CWIN_MAX_MIN_AC0, 0x007f003f },
775 { CR_ZD1211B_CWIN_MAX_MIN_AC1, 0x007f003f },
776 { CR_ZD1211B_CWIN_MAX_MIN_AC2, 0x003f001f },
777 { CR_ZD1211B_CWIN_MAX_MIN_AC3, 0x001f000f },
778 { CR_ZD1211B_AIFS_CTL1, 0x00280028 },
779 { CR_ZD1211B_AIFS_CTL2, 0x008C003C },
780 { CR_ZD1211B_TXOP, 0x01800824 },
781 { CR_RX_THRESHOLD, 0x000c0eff, },
784 dev_dbg_f(zd_chip_dev(chip), "\n");
785 ZD_ASSERT(mutex_is_locked(&chip->mutex));
786 return zd_iowrite32a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
789 static int hw_init_hmac(struct zd_chip *chip)
792 static const struct zd_ioreq32 ioreqs[] = {
793 { CR_ACK_TIMEOUT_EXT, 0x20 },
794 { CR_ADDA_MBIAS_WARMTIME, 0x30000808 },
795 { CR_SNIFFER_ON, 0 },
796 { CR_RX_FILTER, STA_RX_FILTER },
797 { CR_GROUP_HASH_P1, 0x00 },
798 { CR_GROUP_HASH_P2, 0x80000000 },
800 { CR_ADDA_PWR_DWN, 0x7f },
801 { CR_BCN_PLCP_CFG, 0x00f00401 },
802 { CR_PHY_DELAY, 0x00 },
803 { CR_ACK_TIMEOUT_EXT, 0x80 },
804 { CR_ADDA_PWR_DWN, 0x00 },
805 { CR_ACK_TIME_80211, 0x100 },
806 { CR_RX_PE_DELAY, 0x70 },
807 { CR_PS_CTRL, 0x10000000 },
808 { CR_RTS_CTS_RATE, 0x02030203 },
809 { CR_AFTER_PNP, 0x1 },
810 { CR_WEP_PROTECT, 0x114 },
811 { CR_IFS_VALUE, IFS_VALUE_DEFAULT },
812 { CR_CAM_MODE, MODE_AP_WDS},
815 ZD_ASSERT(mutex_is_locked(&chip->mutex));
816 r = zd_iowrite32a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
820 return zd_chip_is_zd1211b(chip) ?
821 zd1211b_hw_init_hmac(chip) : zd1211_hw_init_hmac(chip);
830 static int get_aw_pt_bi(struct zd_chip *chip, struct aw_pt_bi *s)
833 static const zd_addr_t aw_pt_bi_addr[] =
834 { CR_ATIM_WND_PERIOD, CR_PRE_TBTT, CR_BCN_INTERVAL };
837 r = zd_ioread32v_locked(chip, values, (const zd_addr_t *)aw_pt_bi_addr,
838 ARRAY_SIZE(aw_pt_bi_addr));
840 memset(s, 0, sizeof(*s));
844 s->atim_wnd_period = values[0];
845 s->pre_tbtt = values[1];
846 s->beacon_interval = values[2];
850 static int set_aw_pt_bi(struct zd_chip *chip, struct aw_pt_bi *s)
852 struct zd_ioreq32 reqs[3];
854 if (s->beacon_interval <= 5)
855 s->beacon_interval = 5;
856 if (s->pre_tbtt < 4 || s->pre_tbtt >= s->beacon_interval)
857 s->pre_tbtt = s->beacon_interval - 1;
858 if (s->atim_wnd_period >= s->pre_tbtt)
859 s->atim_wnd_period = s->pre_tbtt - 1;
861 reqs[0].addr = CR_ATIM_WND_PERIOD;
862 reqs[0].value = s->atim_wnd_period;
863 reqs[1].addr = CR_PRE_TBTT;
864 reqs[1].value = s->pre_tbtt;
865 reqs[2].addr = CR_BCN_INTERVAL;
866 reqs[2].value = s->beacon_interval;
868 return zd_iowrite32a_locked(chip, reqs, ARRAY_SIZE(reqs));
872 static int set_beacon_interval(struct zd_chip *chip, u32 interval)
877 ZD_ASSERT(mutex_is_locked(&chip->mutex));
878 r = get_aw_pt_bi(chip, &s);
881 s.beacon_interval = interval;
882 return set_aw_pt_bi(chip, &s);
885 int zd_set_beacon_interval(struct zd_chip *chip, u32 interval)
889 mutex_lock(&chip->mutex);
890 r = set_beacon_interval(chip, interval);
891 mutex_unlock(&chip->mutex);
895 static int hw_init(struct zd_chip *chip)
899 dev_dbg_f(zd_chip_dev(chip), "\n");
900 ZD_ASSERT(mutex_is_locked(&chip->mutex));
901 r = hw_reset_phy(chip);
905 r = hw_init_hmac(chip);
909 return set_beacon_interval(chip, 100);
912 static zd_addr_t fw_reg_addr(struct zd_chip *chip, u16 offset)
914 return (zd_addr_t)((u16)chip->fw_regs_base + offset);
918 static int dump_cr(struct zd_chip *chip, const zd_addr_t addr,
919 const char *addr_string)
924 r = zd_ioread32_locked(chip, &value, addr);
926 dev_dbg_f(zd_chip_dev(chip),
927 "error reading %s. Error number %d\n", addr_string, r);
931 dev_dbg_f(zd_chip_dev(chip), "%s %#010x\n",
932 addr_string, (unsigned int)value);
936 static int test_init(struct zd_chip *chip)
940 r = dump_cr(chip, CR_AFTER_PNP, "CR_AFTER_PNP");
943 r = dump_cr(chip, CR_GPI_EN, "CR_GPI_EN");
946 return dump_cr(chip, CR_INTERRUPT, "CR_INTERRUPT");
949 static void dump_fw_registers(struct zd_chip *chip)
951 const zd_addr_t addr[4] = {
952 fw_reg_addr(chip, FW_REG_FIRMWARE_VER),
953 fw_reg_addr(chip, FW_REG_USB_SPEED),
954 fw_reg_addr(chip, FW_REG_FIX_TX_RATE),
955 fw_reg_addr(chip, FW_REG_LED_LINK_STATUS),
961 r = zd_ioread16v_locked(chip, values, (const zd_addr_t*)addr,
964 dev_dbg_f(zd_chip_dev(chip), "error %d zd_ioread16v_locked\n",
969 dev_dbg_f(zd_chip_dev(chip), "FW_FIRMWARE_VER %#06hx\n", values[0]);
970 dev_dbg_f(zd_chip_dev(chip), "FW_USB_SPEED %#06hx\n", values[1]);
971 dev_dbg_f(zd_chip_dev(chip), "FW_FIX_TX_RATE %#06hx\n", values[2]);
972 dev_dbg_f(zd_chip_dev(chip), "FW_LINK_STATUS %#06hx\n", values[3]);
976 static int print_fw_version(struct zd_chip *chip)
981 r = zd_ioread16_locked(chip, &version,
982 fw_reg_addr(chip, FW_REG_FIRMWARE_VER));
986 dev_info(zd_chip_dev(chip),"firmware version %04hx\n", version);
990 static int set_mandatory_rates(struct zd_chip *chip, int gmode)
993 ZD_ASSERT(mutex_is_locked(&chip->mutex));
994 /* This sets the mandatory rates, which only depend from the standard
995 * that the device is supporting. Until further notice we should try
996 * to support 802.11g also for full speed USB.
999 rates = CR_RATE_1M|CR_RATE_2M|CR_RATE_5_5M|CR_RATE_11M;
1001 rates = CR_RATE_1M|CR_RATE_2M|CR_RATE_5_5M|CR_RATE_11M|
1002 CR_RATE_6M|CR_RATE_12M|CR_RATE_24M;
1004 return zd_iowrite32_locked(chip, rates, CR_MANDATORY_RATE_TBL);
1007 int zd_chip_set_rts_cts_rate_locked(struct zd_chip *chip,
1012 dev_dbg_f(zd_chip_dev(chip), "preamble=%x\n", preamble);
1013 value |= preamble << RTSCTS_SH_RTS_PMB_TYPE;
1014 value |= preamble << RTSCTS_SH_CTS_PMB_TYPE;
1016 /* We always send 11M RTS/self-CTS messages, like the vendor driver. */
1017 value |= ZD_PURE_RATE(ZD_CCK_RATE_11M) << RTSCTS_SH_RTS_RATE;
1018 value |= ZD_RX_CCK << RTSCTS_SH_RTS_MOD_TYPE;
1019 value |= ZD_PURE_RATE(ZD_CCK_RATE_11M) << RTSCTS_SH_CTS_RATE;
1020 value |= ZD_RX_CCK << RTSCTS_SH_CTS_MOD_TYPE;
1022 return zd_iowrite32_locked(chip, value, CR_RTS_CTS_RATE);
1025 int zd_chip_enable_hwint(struct zd_chip *chip)
1029 mutex_lock(&chip->mutex);
1030 r = zd_iowrite32_locked(chip, HWINT_ENABLED, CR_INTERRUPT);
1031 mutex_unlock(&chip->mutex);
1035 static int disable_hwint(struct zd_chip *chip)
1037 return zd_iowrite32_locked(chip, HWINT_DISABLED, CR_INTERRUPT);
1040 int zd_chip_disable_hwint(struct zd_chip *chip)
1044 mutex_lock(&chip->mutex);
1045 r = disable_hwint(chip);
1046 mutex_unlock(&chip->mutex);
1050 static int read_fw_regs_offset(struct zd_chip *chip)
1054 ZD_ASSERT(mutex_is_locked(&chip->mutex));
1055 r = zd_ioread16_locked(chip, (u16*)&chip->fw_regs_base,
1059 dev_dbg_f(zd_chip_dev(chip), "fw_regs_base: %#06hx\n",
1060 (u16)chip->fw_regs_base);
1065 /* Read mac address using pre-firmware interface */
1066 int zd_chip_read_mac_addr_fw(struct zd_chip *chip, u8 *addr)
1068 dev_dbg_f(zd_chip_dev(chip), "\n");
1069 return zd_usb_read_fw(&chip->usb, E2P_MAC_ADDR_P1, addr,
1073 int zd_chip_init_hw(struct zd_chip *chip)
1078 dev_dbg_f(zd_chip_dev(chip), "\n");
1080 mutex_lock(&chip->mutex);
1083 r = test_init(chip);
1087 r = zd_iowrite32_locked(chip, 1, CR_AFTER_PNP);
1091 r = read_fw_regs_offset(chip);
1095 /* GPI is always disabled, also in the other driver.
1097 r = zd_iowrite32_locked(chip, 0, CR_GPI_EN);
1100 r = zd_iowrite32_locked(chip, CWIN_SIZE, CR_CWMIN_CWMAX);
1103 /* Currently we support IEEE 802.11g for full and high speed USB.
1104 * It might be discussed, whether we should suppport pure b mode for
1107 r = set_mandatory_rates(chip, 1);
1110 /* Disabling interrupts is certainly a smart thing here.
1112 r = disable_hwint(chip);
1115 r = read_pod(chip, &rf_type);
1121 r = zd_rf_init_hw(&chip->rf, rf_type);
1125 r = print_fw_version(chip);
1130 dump_fw_registers(chip);
1131 r = test_init(chip);
1136 r = read_cal_int_tables(chip);
1142 mutex_unlock(&chip->mutex);
1146 static int update_pwr_int(struct zd_chip *chip, u8 channel)
1148 u8 value = chip->pwr_int_values[channel - 1];
1149 return zd_iowrite16_locked(chip, value, CR31);
1152 static int update_pwr_cal(struct zd_chip *chip, u8 channel)
1154 u8 value = chip->pwr_cal_values[channel-1];
1155 return zd_iowrite16_locked(chip, value, CR68);
1158 static int update_ofdm_cal(struct zd_chip *chip, u8 channel)
1160 struct zd_ioreq16 ioreqs[3];
1162 ioreqs[0].addr = CR67;
1163 ioreqs[0].value = chip->ofdm_cal_values[OFDM_36M_INDEX][channel-1];
1164 ioreqs[1].addr = CR66;
1165 ioreqs[1].value = chip->ofdm_cal_values[OFDM_48M_INDEX][channel-1];
1166 ioreqs[2].addr = CR65;
1167 ioreqs[2].value = chip->ofdm_cal_values[OFDM_54M_INDEX][channel-1];
1169 return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
1172 static int update_channel_integration_and_calibration(struct zd_chip *chip,
1177 if (!zd_rf_should_update_pwr_int(&chip->rf))
1180 r = update_pwr_int(chip, channel);
1183 if (zd_chip_is_zd1211b(chip)) {
1184 static const struct zd_ioreq16 ioreqs[] = {
1190 r = update_ofdm_cal(chip, channel);
1193 r = update_pwr_cal(chip, channel);
1196 r = zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
1204 /* The CCK baseband gain can be optionally patched by the EEPROM */
1205 static int patch_cck_gain(struct zd_chip *chip)
1210 if (!chip->patch_cck_gain || !zd_rf_should_patch_cck_gain(&chip->rf))
1213 ZD_ASSERT(mutex_is_locked(&chip->mutex));
1214 r = zd_ioread32_locked(chip, &value, E2P_PHY_REG);
1217 dev_dbg_f(zd_chip_dev(chip), "patching value %x\n", value & 0xff);
1218 return zd_iowrite16_locked(chip, value & 0xff, CR47);
1221 int zd_chip_set_channel(struct zd_chip *chip, u8 channel)
1225 mutex_lock(&chip->mutex);
1226 r = zd_chip_lock_phy_regs(chip);
1229 r = zd_rf_set_channel(&chip->rf, channel);
1232 r = update_channel_integration_and_calibration(chip, channel);
1235 r = patch_cck_gain(chip);
1238 r = patch_6m_band_edge(chip, channel);
1241 r = zd_iowrite32_locked(chip, 0, CR_CONFIG_PHILIPS);
1243 t = zd_chip_unlock_phy_regs(chip);
1247 mutex_unlock(&chip->mutex);
1251 u8 zd_chip_get_channel(struct zd_chip *chip)
1255 mutex_lock(&chip->mutex);
1256 channel = chip->rf.channel;
1257 mutex_unlock(&chip->mutex);
1261 int zd_chip_control_leds(struct zd_chip *chip, enum led_status status)
1263 const zd_addr_t a[] = {
1264 fw_reg_addr(chip, FW_REG_LED_LINK_STATUS),
1269 u16 v[ARRAY_SIZE(a)];
1270 struct zd_ioreq16 ioreqs[ARRAY_SIZE(a)] = {
1271 [0] = { fw_reg_addr(chip, FW_REG_LED_LINK_STATUS) },
1276 mutex_lock(&chip->mutex);
1277 r = zd_ioread16v_locked(chip, v, (const zd_addr_t *)a, ARRAY_SIZE(a));
1281 other_led = chip->link_led == LED1 ? LED2 : LED1;
1285 ioreqs[0].value = FW_LINK_OFF;
1286 ioreqs[1].value = v[1] & ~(LED1|LED2);
1289 ioreqs[0].value = FW_LINK_OFF;
1290 ioreqs[1].value = v[1] & ~other_led;
1291 if (get_seconds() % 3 == 0) {
1292 ioreqs[1].value &= ~chip->link_led;
1294 ioreqs[1].value |= chip->link_led;
1297 case LED_ASSOCIATED:
1298 ioreqs[0].value = FW_LINK_TX;
1299 ioreqs[1].value = v[1] & ~other_led;
1300 ioreqs[1].value |= chip->link_led;
1307 if (v[0] != ioreqs[0].value || v[1] != ioreqs[1].value) {
1308 r = zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
1314 mutex_unlock(&chip->mutex);
1318 int zd_chip_set_basic_rates(struct zd_chip *chip, u16 cr_rates)
1322 if (cr_rates & ~(CR_RATES_80211B|CR_RATES_80211G))
1325 mutex_lock(&chip->mutex);
1326 r = zd_iowrite32_locked(chip, cr_rates, CR_BASIC_RATE_TBL);
1327 mutex_unlock(&chip->mutex);
1331 static int ofdm_qual_db(u8 status_quality, u8 zd_rate, unsigned int size)
1333 static const u16 constants[] = {
1334 715, 655, 585, 540, 470, 410, 360, 315,
1335 270, 235, 205, 175, 150, 125, 105, 85,
1342 /* It seems that their quality parameter is somehow per signal
1343 * and is now transferred per bit.
1346 case ZD_OFDM_RATE_6M:
1347 case ZD_OFDM_RATE_12M:
1348 case ZD_OFDM_RATE_24M:
1351 case ZD_OFDM_RATE_9M:
1352 case ZD_OFDM_RATE_18M:
1353 case ZD_OFDM_RATE_36M:
1354 case ZD_OFDM_RATE_54M:
1358 case ZD_OFDM_RATE_48M:
1366 x = (10000 * status_quality)/size;
1367 for (i = 0; i < ARRAY_SIZE(constants); i++) {
1368 if (x > constants[i])
1373 case ZD_OFDM_RATE_6M:
1374 case ZD_OFDM_RATE_9M:
1377 case ZD_OFDM_RATE_12M:
1378 case ZD_OFDM_RATE_18M:
1381 case ZD_OFDM_RATE_24M:
1382 case ZD_OFDM_RATE_36M:
1385 case ZD_OFDM_RATE_48M:
1386 case ZD_OFDM_RATE_54M:
1396 static int ofdm_qual_percent(u8 status_quality, u8 zd_rate, unsigned int size)
1400 r = ofdm_qual_db(status_quality, zd_rate, size);
1406 return r <= 100 ? r : 100;
1409 static unsigned int log10times100(unsigned int x)
1411 static const u8 log10[] = {
1413 0, 30, 47, 60, 69, 77, 84, 90, 95, 100,
1414 104, 107, 111, 114, 117, 120, 123, 125, 127, 130,
1415 132, 134, 136, 138, 139, 141, 143, 144, 146, 147,
1416 149, 150, 151, 153, 154, 155, 156, 157, 159, 160,
1417 161, 162, 163, 164, 165, 166, 167, 168, 169, 169,
1418 170, 171, 172, 173, 174, 174, 175, 176, 177, 177,
1419 178, 179, 179, 180, 181, 181, 182, 183, 183, 184,
1420 185, 185, 186, 186, 187, 188, 188, 189, 189, 190,
1421 190, 191, 191, 192, 192, 193, 193, 194, 194, 195,
1422 195, 196, 196, 197, 197, 198, 198, 199, 199, 200,
1423 200, 200, 201, 201, 202, 202, 202, 203, 203, 204,
1424 204, 204, 205, 205, 206, 206, 206, 207, 207, 207,
1425 208, 208, 208, 209, 209, 210, 210, 210, 211, 211,
1426 211, 212, 212, 212, 213, 213, 213, 213, 214, 214,
1427 214, 215, 215, 215, 216, 216, 216, 217, 217, 217,
1428 217, 218, 218, 218, 219, 219, 219, 219, 220, 220,
1429 220, 220, 221, 221, 221, 222, 222, 222, 222, 223,
1430 223, 223, 223, 224, 224, 224, 224,
1433 return x < ARRAY_SIZE(log10) ? log10[x] : 225;
1437 MAX_CCK_EVM_DB = 45,
1440 static int cck_evm_db(u8 status_quality)
1442 return (20 * log10times100(status_quality)) / 100;
1445 static int cck_snr_db(u8 status_quality)
1447 int r = MAX_CCK_EVM_DB - cck_evm_db(status_quality);
1452 static int cck_qual_percent(u8 status_quality)
1456 r = cck_snr_db(status_quality);
1458 return r <= 100 ? r : 100;
1461 static inline u8 zd_rate_from_ofdm_plcp_header(const void *rx_frame)
1463 return ZD_OFDM | zd_ofdm_plcp_header_rate(rx_frame);
1466 u8 zd_rx_qual_percent(const void *rx_frame, unsigned int size,
1467 const struct rx_status *status)
1469 return (status->frame_status&ZD_RX_OFDM) ?
1470 ofdm_qual_percent(status->signal_quality_ofdm,
1471 zd_rate_from_ofdm_plcp_header(rx_frame),
1473 cck_qual_percent(status->signal_quality_cck);
1477 * zd_rx_rate - report zd-rate
1478 * @rx_frame - received frame
1479 * @rx_status - rx_status as given by the device
1481 * This function converts the rate as encoded in the received packet to the
1482 * zd-rate, we are using on other places in the driver.
1484 u8 zd_rx_rate(const void *rx_frame, const struct rx_status *status)
1487 if (status->frame_status & ZD_RX_OFDM) {
1488 zd_rate = zd_rate_from_ofdm_plcp_header(rx_frame);
1490 switch (zd_cck_plcp_header_signal(rx_frame)) {
1491 case ZD_CCK_PLCP_SIGNAL_1M:
1492 zd_rate = ZD_CCK_RATE_1M;
1494 case ZD_CCK_PLCP_SIGNAL_2M:
1495 zd_rate = ZD_CCK_RATE_2M;
1497 case ZD_CCK_PLCP_SIGNAL_5M5:
1498 zd_rate = ZD_CCK_RATE_5_5M;
1500 case ZD_CCK_PLCP_SIGNAL_11M:
1501 zd_rate = ZD_CCK_RATE_11M;
1511 int zd_chip_switch_radio_on(struct zd_chip *chip)
1515 mutex_lock(&chip->mutex);
1516 r = zd_switch_radio_on(&chip->rf);
1517 mutex_unlock(&chip->mutex);
1521 int zd_chip_switch_radio_off(struct zd_chip *chip)
1525 mutex_lock(&chip->mutex);
1526 r = zd_switch_radio_off(&chip->rf);
1527 mutex_unlock(&chip->mutex);
1531 int zd_chip_enable_int(struct zd_chip *chip)
1535 mutex_lock(&chip->mutex);
1536 r = zd_usb_enable_int(&chip->usb);
1537 mutex_unlock(&chip->mutex);
1541 void zd_chip_disable_int(struct zd_chip *chip)
1543 mutex_lock(&chip->mutex);
1544 zd_usb_disable_int(&chip->usb);
1545 mutex_unlock(&chip->mutex);
1548 int zd_chip_enable_rxtx(struct zd_chip *chip)
1552 mutex_lock(&chip->mutex);
1553 zd_usb_enable_tx(&chip->usb);
1554 r = zd_usb_enable_rx(&chip->usb);
1555 mutex_unlock(&chip->mutex);
1559 void zd_chip_disable_rxtx(struct zd_chip *chip)
1561 mutex_lock(&chip->mutex);
1562 zd_usb_disable_rx(&chip->usb);
1563 zd_usb_disable_tx(&chip->usb);
1564 mutex_unlock(&chip->mutex);
1567 int zd_rfwritev_locked(struct zd_chip *chip,
1568 const u32* values, unsigned int count, u8 bits)
1573 for (i = 0; i < count; i++) {
1574 r = zd_rfwrite_locked(chip, values[i], bits);
1583 * We can optionally program the RF directly through CR regs, if supported by
1584 * the hardware. This is much faster than the older method.
1586 int zd_rfwrite_cr_locked(struct zd_chip *chip, u32 value)
1588 struct zd_ioreq16 ioreqs[] = {
1589 { CR244, (value >> 16) & 0xff },
1590 { CR243, (value >> 8) & 0xff },
1591 { CR242, value & 0xff },
1593 ZD_ASSERT(mutex_is_locked(&chip->mutex));
1594 return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
1597 int zd_rfwritev_cr_locked(struct zd_chip *chip,
1598 const u32 *values, unsigned int count)
1603 for (i = 0; i < count; i++) {
1604 r = zd_rfwrite_cr_locked(chip, values[i]);
1612 int zd_chip_set_multicast_hash(struct zd_chip *chip,
1613 struct zd_mc_hash *hash)
1615 struct zd_ioreq32 ioreqs[] = {
1616 { CR_GROUP_HASH_P1, hash->low },
1617 { CR_GROUP_HASH_P2, hash->high },
1620 return zd_iowrite32a(chip, ioreqs, ARRAY_SIZE(ioreqs));