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>
34 void zd_chip_init(struct zd_chip *chip,
35 struct ieee80211_hw *hw,
36 struct usb_interface *intf)
38 memset(chip, 0, sizeof(*chip));
39 mutex_init(&chip->mutex);
40 zd_usb_init(&chip->usb, hw, intf);
41 zd_rf_init(&chip->rf);
44 void zd_chip_clear(struct zd_chip *chip)
46 ZD_ASSERT(!mutex_is_locked(&chip->mutex));
47 zd_usb_clear(&chip->usb);
48 zd_rf_clear(&chip->rf);
49 mutex_destroy(&chip->mutex);
50 ZD_MEMCLEAR(chip, sizeof(*chip));
53 static int scnprint_mac_oui(struct zd_chip *chip, char *buffer, size_t size)
55 u8 *addr = zd_mac_get_perm_addr(zd_chip_to_mac(chip));
56 return scnprintf(buffer, size, "%02x-%02x-%02x",
57 addr[0], addr[1], addr[2]);
60 /* Prints an identifier line, which will support debugging. */
61 static int scnprint_id(struct zd_chip *chip, char *buffer, size_t size)
65 i = scnprintf(buffer, size, "zd1211%s chip ",
66 zd_chip_is_zd1211b(chip) ? "b" : "");
67 i += zd_usb_scnprint_id(&chip->usb, buffer+i, size-i);
68 i += scnprintf(buffer+i, size-i, " ");
69 i += scnprint_mac_oui(chip, buffer+i, size-i);
70 i += scnprintf(buffer+i, size-i, " ");
71 i += zd_rf_scnprint_id(&chip->rf, buffer+i, size-i);
72 i += scnprintf(buffer+i, size-i, " pa%1x %c%c%c%c%c", chip->pa_type,
73 chip->patch_cck_gain ? 'g' : '-',
74 chip->patch_cr157 ? '7' : '-',
75 chip->patch_6m_band_edge ? '6' : '-',
76 chip->new_phy_layout ? 'N' : '-',
77 chip->al2230s_bit ? 'S' : '-');
81 static void print_id(struct zd_chip *chip)
85 scnprint_id(chip, buffer, sizeof(buffer));
86 buffer[sizeof(buffer)-1] = 0;
87 dev_info(zd_chip_dev(chip), "%s\n", buffer);
90 static zd_addr_t inc_addr(zd_addr_t addr)
93 /* Control registers use byte addressing, but everything else uses word
95 if ((a & 0xf000) == CR_START)
102 /* Read a variable number of 32-bit values. Parameter count is not allowed to
103 * exceed USB_MAX_IOREAD32_COUNT.
105 int zd_ioread32v_locked(struct zd_chip *chip, u32 *values, const zd_addr_t *addr,
112 unsigned int count16;
114 if (count > USB_MAX_IOREAD32_COUNT)
117 /* Allocate a single memory block for values and addresses. */
119 a16 = (zd_addr_t *) kmalloc(count16 * (sizeof(zd_addr_t) + sizeof(u16)),
122 dev_dbg_f(zd_chip_dev(chip),
123 "error ENOMEM in allocation of a16\n");
127 v16 = (u16 *)(a16 + count16);
129 for (i = 0; i < count; i++) {
131 /* We read the high word always first. */
132 a16[j] = inc_addr(addr[i]);
136 r = zd_ioread16v_locked(chip, v16, a16, count16);
138 dev_dbg_f(zd_chip_dev(chip),
139 "error: zd_ioread16v_locked. Error number %d\n", r);
143 for (i = 0; i < count; i++) {
145 values[i] = (v16[j] << 16) | v16[j+1];
153 int _zd_iowrite32v_locked(struct zd_chip *chip, const struct zd_ioreq32 *ioreqs,
157 struct zd_ioreq16 *ioreqs16;
158 unsigned int count16;
160 ZD_ASSERT(mutex_is_locked(&chip->mutex));
164 if (count > USB_MAX_IOWRITE32_COUNT)
167 /* Allocate a single memory block for values and addresses. */
169 ioreqs16 = kmalloc(count16 * sizeof(struct zd_ioreq16), GFP_KERNEL);
172 dev_dbg_f(zd_chip_dev(chip),
173 "error %d in ioreqs16 allocation\n", r);
177 for (i = 0; i < count; i++) {
179 /* We write the high word always first. */
180 ioreqs16[j].value = ioreqs[i].value >> 16;
181 ioreqs16[j].addr = inc_addr(ioreqs[i].addr);
182 ioreqs16[j+1].value = ioreqs[i].value;
183 ioreqs16[j+1].addr = ioreqs[i].addr;
186 r = zd_usb_iowrite16v(&chip->usb, ioreqs16, count16);
189 dev_dbg_f(zd_chip_dev(chip),
190 "error %d in zd_usb_write16v\n", r);
198 int zd_iowrite16a_locked(struct zd_chip *chip,
199 const struct zd_ioreq16 *ioreqs, unsigned int count)
202 unsigned int i, j, t, max;
204 ZD_ASSERT(mutex_is_locked(&chip->mutex));
205 for (i = 0; i < count; i += j + t) {
208 if (max > USB_MAX_IOWRITE16_COUNT)
209 max = USB_MAX_IOWRITE16_COUNT;
210 for (j = 0; j < max; j++) {
211 if (!ioreqs[i+j].addr) {
217 r = zd_usb_iowrite16v(&chip->usb, &ioreqs[i], j);
219 dev_dbg_f(zd_chip_dev(chip),
220 "error zd_usb_iowrite16v. Error number %d\n",
229 /* Writes a variable number of 32 bit registers. The functions will split
230 * that in several USB requests. A split can be forced by inserting an IO
231 * request with an zero address field.
233 int zd_iowrite32a_locked(struct zd_chip *chip,
234 const struct zd_ioreq32 *ioreqs, unsigned int count)
237 unsigned int i, j, t, max;
239 for (i = 0; i < count; i += j + t) {
242 if (max > USB_MAX_IOWRITE32_COUNT)
243 max = USB_MAX_IOWRITE32_COUNT;
244 for (j = 0; j < max; j++) {
245 if (!ioreqs[i+j].addr) {
251 r = _zd_iowrite32v_locked(chip, &ioreqs[i], j);
253 dev_dbg_f(zd_chip_dev(chip),
254 "error _zd_iowrite32v_locked."
255 " Error number %d\n", r);
263 int zd_ioread16(struct zd_chip *chip, zd_addr_t addr, u16 *value)
267 mutex_lock(&chip->mutex);
268 r = zd_ioread16_locked(chip, value, addr);
269 mutex_unlock(&chip->mutex);
273 int zd_ioread32(struct zd_chip *chip, zd_addr_t addr, u32 *value)
277 mutex_lock(&chip->mutex);
278 r = zd_ioread32_locked(chip, value, addr);
279 mutex_unlock(&chip->mutex);
283 int zd_iowrite16(struct zd_chip *chip, zd_addr_t addr, u16 value)
287 mutex_lock(&chip->mutex);
288 r = zd_iowrite16_locked(chip, value, addr);
289 mutex_unlock(&chip->mutex);
293 int zd_iowrite32(struct zd_chip *chip, zd_addr_t addr, u32 value)
297 mutex_lock(&chip->mutex);
298 r = zd_iowrite32_locked(chip, value, addr);
299 mutex_unlock(&chip->mutex);
303 int zd_ioread32v(struct zd_chip *chip, const zd_addr_t *addresses,
304 u32 *values, unsigned int count)
308 mutex_lock(&chip->mutex);
309 r = zd_ioread32v_locked(chip, values, addresses, count);
310 mutex_unlock(&chip->mutex);
314 int zd_iowrite32a(struct zd_chip *chip, const struct zd_ioreq32 *ioreqs,
319 mutex_lock(&chip->mutex);
320 r = zd_iowrite32a_locked(chip, ioreqs, count);
321 mutex_unlock(&chip->mutex);
325 static int read_pod(struct zd_chip *chip, u8 *rf_type)
330 ZD_ASSERT(mutex_is_locked(&chip->mutex));
331 r = zd_ioread32_locked(chip, &value, E2P_POD);
334 dev_dbg_f(zd_chip_dev(chip), "E2P_POD %#010x\n", value);
336 /* FIXME: AL2230 handling (Bit 7 in POD) */
337 *rf_type = value & 0x0f;
338 chip->pa_type = (value >> 16) & 0x0f;
339 chip->patch_cck_gain = (value >> 8) & 0x1;
340 chip->patch_cr157 = (value >> 13) & 0x1;
341 chip->patch_6m_band_edge = (value >> 21) & 0x1;
342 chip->new_phy_layout = (value >> 31) & 0x1;
343 chip->al2230s_bit = (value >> 7) & 0x1;
344 chip->link_led = ((value >> 4) & 1) ? LED1 : LED2;
345 chip->supports_tx_led = 1;
346 if (value & (1 << 24)) { /* LED scenario */
347 if (value & (1 << 29))
348 chip->supports_tx_led = 0;
351 dev_dbg_f(zd_chip_dev(chip),
352 "RF %s %#01x PA type %#01x patch CCK %d patch CR157 %d "
353 "patch 6M %d new PHY %d link LED%d tx led %d\n",
354 zd_rf_name(*rf_type), *rf_type,
355 chip->pa_type, chip->patch_cck_gain,
356 chip->patch_cr157, chip->patch_6m_band_edge,
357 chip->new_phy_layout,
358 chip->link_led == LED1 ? 1 : 2,
359 chip->supports_tx_led);
364 chip->patch_cck_gain = 0;
365 chip->patch_cr157 = 0;
366 chip->patch_6m_band_edge = 0;
367 chip->new_phy_layout = 0;
371 /* MAC address: if custom mac addresses are to to be used CR_MAC_ADDR_P1 and
372 * CR_MAC_ADDR_P2 must be overwritten
374 int zd_write_mac_addr(struct zd_chip *chip, const u8 *mac_addr)
377 struct zd_ioreq32 reqs[2] = {
378 [0] = { .addr = CR_MAC_ADDR_P1 },
379 [1] = { .addr = CR_MAC_ADDR_P2 },
383 reqs[0].value = (mac_addr[3] << 24)
384 | (mac_addr[2] << 16)
387 reqs[1].value = (mac_addr[5] << 8)
389 dev_dbg_f(zd_chip_dev(chip), "mac addr %pM\n", mac_addr);
391 dev_dbg_f(zd_chip_dev(chip), "set NULL mac\n");
394 mutex_lock(&chip->mutex);
395 r = zd_iowrite32a_locked(chip, reqs, ARRAY_SIZE(reqs));
396 mutex_unlock(&chip->mutex);
400 int zd_read_regdomain(struct zd_chip *chip, u8 *regdomain)
405 mutex_lock(&chip->mutex);
406 r = zd_ioread32_locked(chip, &value, E2P_SUBID);
407 mutex_unlock(&chip->mutex);
411 *regdomain = value >> 16;
412 dev_dbg_f(zd_chip_dev(chip), "regdomain: %#04x\n", *regdomain);
417 static int read_values(struct zd_chip *chip, u8 *values, size_t count,
418 zd_addr_t e2p_addr, u32 guard)
424 ZD_ASSERT(mutex_is_locked(&chip->mutex));
426 r = zd_ioread32_locked(chip, &v,
427 (zd_addr_t)((u16)e2p_addr+i/2));
433 values[i++] = v >> 8;
434 values[i++] = v >> 16;
435 values[i++] = v >> 24;
438 for (;i < count; i++)
439 values[i] = v >> (8*(i%3));
444 static int read_pwr_cal_values(struct zd_chip *chip)
446 return read_values(chip, chip->pwr_cal_values,
447 E2P_CHANNEL_COUNT, E2P_PWR_CAL_VALUE1,
451 static int read_pwr_int_values(struct zd_chip *chip)
453 return read_values(chip, chip->pwr_int_values,
454 E2P_CHANNEL_COUNT, E2P_PWR_INT_VALUE1,
458 static int read_ofdm_cal_values(struct zd_chip *chip)
462 static const zd_addr_t addresses[] = {
468 for (i = 0; i < 3; i++) {
469 r = read_values(chip, chip->ofdm_cal_values[i],
470 E2P_CHANNEL_COUNT, addresses[i], 0);
477 static int read_cal_int_tables(struct zd_chip *chip)
481 r = read_pwr_cal_values(chip);
484 r = read_pwr_int_values(chip);
487 r = read_ofdm_cal_values(chip);
493 /* phy means physical registers */
494 int zd_chip_lock_phy_regs(struct zd_chip *chip)
499 ZD_ASSERT(mutex_is_locked(&chip->mutex));
500 r = zd_ioread32_locked(chip, &tmp, CR_REG1);
502 dev_err(zd_chip_dev(chip), "error ioread32(CR_REG1): %d\n", r);
506 tmp &= ~UNLOCK_PHY_REGS;
508 r = zd_iowrite32_locked(chip, tmp, CR_REG1);
510 dev_err(zd_chip_dev(chip), "error iowrite32(CR_REG1): %d\n", r);
514 int zd_chip_unlock_phy_regs(struct zd_chip *chip)
519 ZD_ASSERT(mutex_is_locked(&chip->mutex));
520 r = zd_ioread32_locked(chip, &tmp, CR_REG1);
522 dev_err(zd_chip_dev(chip),
523 "error ioread32(CR_REG1): %d\n", r);
527 tmp |= UNLOCK_PHY_REGS;
529 r = zd_iowrite32_locked(chip, tmp, CR_REG1);
531 dev_err(zd_chip_dev(chip), "error iowrite32(CR_REG1): %d\n", r);
535 /* CR157 can be optionally patched by the EEPROM for original ZD1211 */
536 static int patch_cr157(struct zd_chip *chip)
541 if (!chip->patch_cr157)
544 r = zd_ioread16_locked(chip, &value, E2P_PHY_REG);
548 dev_dbg_f(zd_chip_dev(chip), "patching value %x\n", value >> 8);
549 return zd_iowrite32_locked(chip, value >> 8, CR157);
553 * 6M band edge can be optionally overwritten for certain RF's
554 * Vendor driver says: for FCC regulation, enabled per HWFeature 6M band edge
555 * bit (for AL2230, AL2230S)
557 static int patch_6m_band_edge(struct zd_chip *chip, u8 channel)
559 ZD_ASSERT(mutex_is_locked(&chip->mutex));
560 if (!chip->patch_6m_band_edge)
563 return zd_rf_patch_6m_band_edge(&chip->rf, channel);
566 /* Generic implementation of 6M band edge patching, used by most RFs via
567 * zd_rf_generic_patch_6m() */
568 int zd_chip_generic_patch_6m_band(struct zd_chip *chip, int channel)
570 struct zd_ioreq16 ioreqs[] = {
571 { CR128, 0x14 }, { CR129, 0x12 }, { CR130, 0x10 },
575 /* FIXME: Channel 11 is not the edge for all regulatory domains. */
576 if (channel == 1 || channel == 11)
577 ioreqs[0].value = 0x12;
579 dev_dbg_f(zd_chip_dev(chip), "patching for channel %d\n", channel);
580 return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
583 static int zd1211_hw_reset_phy(struct zd_chip *chip)
585 static const struct zd_ioreq16 ioreqs[] = {
586 { CR0, 0x0a }, { CR1, 0x06 }, { CR2, 0x26 },
587 { CR3, 0x38 }, { CR4, 0x80 }, { CR9, 0xa0 },
588 { CR10, 0x81 }, { CR11, 0x00 }, { CR12, 0x7f },
589 { CR13, 0x8c }, { CR14, 0x80 }, { CR15, 0x3d },
590 { CR16, 0x20 }, { CR17, 0x1e }, { CR18, 0x0a },
591 { CR19, 0x48 }, { CR20, 0x0c }, { CR21, 0x0c },
592 { CR22, 0x23 }, { CR23, 0x90 }, { CR24, 0x14 },
593 { CR25, 0x40 }, { CR26, 0x10 }, { CR27, 0x19 },
594 { CR28, 0x7f }, { CR29, 0x80 }, { CR30, 0x4b },
595 { CR31, 0x60 }, { CR32, 0x43 }, { CR33, 0x08 },
596 { CR34, 0x06 }, { CR35, 0x0a }, { CR36, 0x00 },
597 { CR37, 0x00 }, { CR38, 0x38 }, { CR39, 0x0c },
598 { CR40, 0x84 }, { CR41, 0x2a }, { CR42, 0x80 },
599 { CR43, 0x10 }, { CR44, 0x12 }, { CR46, 0xff },
600 { CR47, 0x1E }, { CR48, 0x26 }, { CR49, 0x5b },
601 { CR64, 0xd0 }, { CR65, 0x04 }, { CR66, 0x58 },
602 { CR67, 0xc9 }, { CR68, 0x88 }, { CR69, 0x41 },
603 { CR70, 0x23 }, { CR71, 0x10 }, { CR72, 0xff },
604 { CR73, 0x32 }, { CR74, 0x30 }, { CR75, 0x65 },
605 { CR76, 0x41 }, { CR77, 0x1b }, { CR78, 0x30 },
606 { CR79, 0x68 }, { CR80, 0x64 }, { CR81, 0x64 },
607 { CR82, 0x00 }, { CR83, 0x00 }, { CR84, 0x00 },
608 { CR85, 0x02 }, { CR86, 0x00 }, { CR87, 0x00 },
609 { CR88, 0xff }, { CR89, 0xfc }, { CR90, 0x00 },
610 { CR91, 0x00 }, { CR92, 0x00 }, { CR93, 0x08 },
611 { CR94, 0x00 }, { CR95, 0x00 }, { CR96, 0xff },
612 { CR97, 0xe7 }, { CR98, 0x00 }, { CR99, 0x00 },
613 { CR100, 0x00 }, { CR101, 0xae }, { CR102, 0x02 },
614 { CR103, 0x00 }, { CR104, 0x03 }, { CR105, 0x65 },
615 { CR106, 0x04 }, { CR107, 0x00 }, { CR108, 0x0a },
616 { CR109, 0xaa }, { CR110, 0xaa }, { CR111, 0x25 },
617 { CR112, 0x25 }, { CR113, 0x00 }, { CR119, 0x1e },
618 { CR125, 0x90 }, { CR126, 0x00 }, { CR127, 0x00 },
620 { CR5, 0x00 }, { CR6, 0x00 }, { CR7, 0x00 },
621 { CR8, 0x00 }, { CR9, 0x20 }, { CR12, 0xf0 },
622 { CR20, 0x0e }, { CR21, 0x0e }, { CR27, 0x10 },
623 { CR44, 0x33 }, { CR47, 0x1E }, { CR83, 0x24 },
624 { CR84, 0x04 }, { CR85, 0x00 }, { CR86, 0x0C },
625 { CR87, 0x12 }, { CR88, 0x0C }, { CR89, 0x00 },
626 { CR90, 0x10 }, { CR91, 0x08 }, { CR93, 0x00 },
627 { CR94, 0x01 }, { CR95, 0x00 }, { CR96, 0x50 },
628 { CR97, 0x37 }, { CR98, 0x35 }, { CR101, 0x13 },
629 { CR102, 0x27 }, { CR103, 0x27 }, { CR104, 0x18 },
630 { CR105, 0x12 }, { CR109, 0x27 }, { CR110, 0x27 },
631 { CR111, 0x27 }, { CR112, 0x27 }, { CR113, 0x27 },
632 { CR114, 0x27 }, { CR115, 0x26 }, { CR116, 0x24 },
633 { CR117, 0xfc }, { CR118, 0xfa }, { CR120, 0x4f },
634 { CR125, 0xaa }, { CR127, 0x03 }, { CR128, 0x14 },
635 { CR129, 0x12 }, { CR130, 0x10 }, { CR131, 0x0C },
636 { CR136, 0xdf }, { CR137, 0x40 }, { CR138, 0xa0 },
637 { CR139, 0xb0 }, { CR140, 0x99 }, { CR141, 0x82 },
638 { CR142, 0x54 }, { CR143, 0x1c }, { CR144, 0x6c },
639 { CR147, 0x07 }, { CR148, 0x4c }, { CR149, 0x50 },
640 { CR150, 0x0e }, { CR151, 0x18 }, { CR160, 0xfe },
641 { CR161, 0xee }, { CR162, 0xaa }, { CR163, 0xfa },
642 { CR164, 0xfa }, { CR165, 0xea }, { CR166, 0xbe },
643 { CR167, 0xbe }, { CR168, 0x6a }, { CR169, 0xba },
644 { CR170, 0xba }, { CR171, 0xba },
645 /* Note: CR204 must lead the CR203 */
653 dev_dbg_f(zd_chip_dev(chip), "\n");
655 r = zd_chip_lock_phy_regs(chip);
659 r = zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
663 r = patch_cr157(chip);
665 t = zd_chip_unlock_phy_regs(chip);
672 static int zd1211b_hw_reset_phy(struct zd_chip *chip)
674 static const struct zd_ioreq16 ioreqs[] = {
675 { CR0, 0x14 }, { CR1, 0x06 }, { CR2, 0x26 },
676 { CR3, 0x38 }, { CR4, 0x80 }, { CR9, 0xe0 },
678 /* power control { { CR11, 1 << 6 }, */
680 { CR12, 0xf0 }, { CR13, 0x8c }, { CR14, 0x80 },
681 { CR15, 0x3d }, { CR16, 0x20 }, { CR17, 0x1e },
682 { CR18, 0x0a }, { CR19, 0x48 },
683 { CR20, 0x10 }, /* Org:0x0E, ComTrend:RalLink AP */
684 { CR21, 0x0e }, { CR22, 0x23 }, { CR23, 0x90 },
685 { CR24, 0x14 }, { CR25, 0x40 }, { CR26, 0x10 },
686 { CR27, 0x10 }, { CR28, 0x7f }, { CR29, 0x80 },
687 { CR30, 0x4b }, /* ASIC/FWT, no jointly decoder */
688 { CR31, 0x60 }, { CR32, 0x43 }, { CR33, 0x08 },
689 { CR34, 0x06 }, { CR35, 0x0a }, { CR36, 0x00 },
690 { CR37, 0x00 }, { CR38, 0x38 }, { CR39, 0x0c },
691 { CR40, 0x84 }, { CR41, 0x2a }, { CR42, 0x80 },
692 { CR43, 0x10 }, { CR44, 0x33 }, { CR46, 0xff },
693 { CR47, 0x1E }, { CR48, 0x26 }, { CR49, 0x5b },
694 { CR64, 0xd0 }, { CR65, 0x04 }, { CR66, 0x58 },
695 { CR67, 0xc9 }, { CR68, 0x88 }, { CR69, 0x41 },
696 { CR70, 0x23 }, { CR71, 0x10 }, { CR72, 0xff },
697 { CR73, 0x32 }, { CR74, 0x30 }, { CR75, 0x65 },
698 { CR76, 0x41 }, { CR77, 0x1b }, { CR78, 0x30 },
699 { CR79, 0xf0 }, { CR80, 0x64 }, { CR81, 0x64 },
700 { CR82, 0x00 }, { CR83, 0x24 }, { CR84, 0x04 },
701 { CR85, 0x00 }, { CR86, 0x0c }, { CR87, 0x12 },
702 { CR88, 0x0c }, { CR89, 0x00 }, { CR90, 0x58 },
703 { CR91, 0x04 }, { CR92, 0x00 }, { CR93, 0x00 },
705 { CR95, 0x20 }, /* ZD1211B */
706 { CR96, 0x50 }, { CR97, 0x37 }, { CR98, 0x35 },
707 { CR99, 0x00 }, { CR100, 0x01 }, { CR101, 0x13 },
708 { CR102, 0x27 }, { CR103, 0x27 }, { CR104, 0x18 },
709 { CR105, 0x12 }, { CR106, 0x04 }, { CR107, 0x00 },
710 { CR108, 0x0a }, { CR109, 0x27 }, { CR110, 0x27 },
711 { CR111, 0x27 }, { CR112, 0x27 }, { CR113, 0x27 },
712 { CR114, 0x27 }, { CR115, 0x26 }, { CR116, 0x24 },
713 { CR117, 0xfc }, { CR118, 0xfa }, { CR119, 0x1e },
714 { CR125, 0x90 }, { CR126, 0x00 }, { CR127, 0x00 },
715 { CR128, 0x14 }, { CR129, 0x12 }, { CR130, 0x10 },
716 { CR131, 0x0c }, { CR136, 0xdf }, { CR137, 0xa0 },
717 { CR138, 0xa8 }, { CR139, 0xb4 }, { CR140, 0x98 },
718 { CR141, 0x82 }, { CR142, 0x53 }, { CR143, 0x1c },
719 { CR144, 0x6c }, { CR147, 0x07 }, { CR148, 0x40 },
720 { CR149, 0x40 }, /* Org:0x50 ComTrend:RalLink AP */
721 { CR150, 0x14 }, /* Org:0x0E ComTrend:RalLink AP */
722 { CR151, 0x18 }, { CR159, 0x70 }, { CR160, 0xfe },
723 { CR161, 0xee }, { CR162, 0xaa }, { CR163, 0xfa },
724 { CR164, 0xfa }, { CR165, 0xea }, { CR166, 0xbe },
725 { CR167, 0xbe }, { CR168, 0x6a }, { CR169, 0xba },
726 { CR170, 0xba }, { CR171, 0xba },
727 /* Note: CR204 must lead the CR203 */
735 dev_dbg_f(zd_chip_dev(chip), "\n");
737 r = zd_chip_lock_phy_regs(chip);
741 r = zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
742 t = zd_chip_unlock_phy_regs(chip);
749 static int hw_reset_phy(struct zd_chip *chip)
751 return zd_chip_is_zd1211b(chip) ? zd1211b_hw_reset_phy(chip) :
752 zd1211_hw_reset_phy(chip);
755 static int zd1211_hw_init_hmac(struct zd_chip *chip)
757 static const struct zd_ioreq32 ioreqs[] = {
758 { CR_ZD1211_RETRY_MAX, 0x2 },
759 { CR_RX_THRESHOLD, 0x000c0640 },
762 dev_dbg_f(zd_chip_dev(chip), "\n");
763 ZD_ASSERT(mutex_is_locked(&chip->mutex));
764 return zd_iowrite32a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
767 static int zd1211b_hw_init_hmac(struct zd_chip *chip)
769 static const struct zd_ioreq32 ioreqs[] = {
770 { CR_ZD1211B_RETRY_MAX, 0x02020202 },
771 { CR_ZD1211B_CWIN_MAX_MIN_AC0, 0x007f003f },
772 { CR_ZD1211B_CWIN_MAX_MIN_AC1, 0x007f003f },
773 { CR_ZD1211B_CWIN_MAX_MIN_AC2, 0x003f001f },
774 { CR_ZD1211B_CWIN_MAX_MIN_AC3, 0x001f000f },
775 { CR_ZD1211B_AIFS_CTL1, 0x00280028 },
776 { CR_ZD1211B_AIFS_CTL2, 0x008C003C },
777 { CR_ZD1211B_TXOP, 0x01800824 },
778 { CR_RX_THRESHOLD, 0x000c0eff, },
781 dev_dbg_f(zd_chip_dev(chip), "\n");
782 ZD_ASSERT(mutex_is_locked(&chip->mutex));
783 return zd_iowrite32a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
786 static int hw_init_hmac(struct zd_chip *chip)
789 static const struct zd_ioreq32 ioreqs[] = {
790 { CR_ACK_TIMEOUT_EXT, 0x20 },
791 { CR_ADDA_MBIAS_WARMTIME, 0x30000808 },
792 { CR_SNIFFER_ON, 0 },
793 { CR_RX_FILTER, STA_RX_FILTER },
794 { CR_GROUP_HASH_P1, 0x00 },
795 { CR_GROUP_HASH_P2, 0x80000000 },
797 { CR_ADDA_PWR_DWN, 0x7f },
798 { CR_BCN_PLCP_CFG, 0x00f00401 },
799 { CR_PHY_DELAY, 0x00 },
800 { CR_ACK_TIMEOUT_EXT, 0x80 },
801 { CR_ADDA_PWR_DWN, 0x00 },
802 { CR_ACK_TIME_80211, 0x100 },
803 { CR_RX_PE_DELAY, 0x70 },
804 { CR_PS_CTRL, 0x10000000 },
805 { CR_RTS_CTS_RATE, 0x02030203 },
806 { CR_AFTER_PNP, 0x1 },
807 { CR_WEP_PROTECT, 0x114 },
808 { CR_IFS_VALUE, IFS_VALUE_DEFAULT },
809 { CR_CAM_MODE, MODE_AP_WDS},
812 ZD_ASSERT(mutex_is_locked(&chip->mutex));
813 r = zd_iowrite32a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
817 return zd_chip_is_zd1211b(chip) ?
818 zd1211b_hw_init_hmac(chip) : zd1211_hw_init_hmac(chip);
827 static int get_aw_pt_bi(struct zd_chip *chip, struct aw_pt_bi *s)
830 static const zd_addr_t aw_pt_bi_addr[] =
831 { CR_ATIM_WND_PERIOD, CR_PRE_TBTT, CR_BCN_INTERVAL };
834 r = zd_ioread32v_locked(chip, values, (const zd_addr_t *)aw_pt_bi_addr,
835 ARRAY_SIZE(aw_pt_bi_addr));
837 memset(s, 0, sizeof(*s));
841 s->atim_wnd_period = values[0];
842 s->pre_tbtt = values[1];
843 s->beacon_interval = values[2];
847 static int set_aw_pt_bi(struct zd_chip *chip, struct aw_pt_bi *s)
849 struct zd_ioreq32 reqs[3];
851 if (s->beacon_interval <= 5)
852 s->beacon_interval = 5;
853 if (s->pre_tbtt < 4 || s->pre_tbtt >= s->beacon_interval)
854 s->pre_tbtt = s->beacon_interval - 1;
855 if (s->atim_wnd_period >= s->pre_tbtt)
856 s->atim_wnd_period = s->pre_tbtt - 1;
858 reqs[0].addr = CR_ATIM_WND_PERIOD;
859 reqs[0].value = s->atim_wnd_period;
860 reqs[1].addr = CR_PRE_TBTT;
861 reqs[1].value = s->pre_tbtt;
862 reqs[2].addr = CR_BCN_INTERVAL;
863 reqs[2].value = s->beacon_interval;
865 return zd_iowrite32a_locked(chip, reqs, ARRAY_SIZE(reqs));
869 static int set_beacon_interval(struct zd_chip *chip, u32 interval)
874 ZD_ASSERT(mutex_is_locked(&chip->mutex));
875 r = get_aw_pt_bi(chip, &s);
878 s.beacon_interval = interval;
879 return set_aw_pt_bi(chip, &s);
882 int zd_set_beacon_interval(struct zd_chip *chip, u32 interval)
886 mutex_lock(&chip->mutex);
887 r = set_beacon_interval(chip, interval);
888 mutex_unlock(&chip->mutex);
892 static int hw_init(struct zd_chip *chip)
896 dev_dbg_f(zd_chip_dev(chip), "\n");
897 ZD_ASSERT(mutex_is_locked(&chip->mutex));
898 r = hw_reset_phy(chip);
902 r = hw_init_hmac(chip);
906 return set_beacon_interval(chip, 100);
909 static zd_addr_t fw_reg_addr(struct zd_chip *chip, u16 offset)
911 return (zd_addr_t)((u16)chip->fw_regs_base + offset);
915 static int dump_cr(struct zd_chip *chip, const zd_addr_t addr,
916 const char *addr_string)
921 r = zd_ioread32_locked(chip, &value, addr);
923 dev_dbg_f(zd_chip_dev(chip),
924 "error reading %s. Error number %d\n", addr_string, r);
928 dev_dbg_f(zd_chip_dev(chip), "%s %#010x\n",
929 addr_string, (unsigned int)value);
933 static int test_init(struct zd_chip *chip)
937 r = dump_cr(chip, CR_AFTER_PNP, "CR_AFTER_PNP");
940 r = dump_cr(chip, CR_GPI_EN, "CR_GPI_EN");
943 return dump_cr(chip, CR_INTERRUPT, "CR_INTERRUPT");
946 static void dump_fw_registers(struct zd_chip *chip)
948 const zd_addr_t addr[4] = {
949 fw_reg_addr(chip, FW_REG_FIRMWARE_VER),
950 fw_reg_addr(chip, FW_REG_USB_SPEED),
951 fw_reg_addr(chip, FW_REG_FIX_TX_RATE),
952 fw_reg_addr(chip, FW_REG_LED_LINK_STATUS),
958 r = zd_ioread16v_locked(chip, values, (const zd_addr_t*)addr,
961 dev_dbg_f(zd_chip_dev(chip), "error %d zd_ioread16v_locked\n",
966 dev_dbg_f(zd_chip_dev(chip), "FW_FIRMWARE_VER %#06hx\n", values[0]);
967 dev_dbg_f(zd_chip_dev(chip), "FW_USB_SPEED %#06hx\n", values[1]);
968 dev_dbg_f(zd_chip_dev(chip), "FW_FIX_TX_RATE %#06hx\n", values[2]);
969 dev_dbg_f(zd_chip_dev(chip), "FW_LINK_STATUS %#06hx\n", values[3]);
973 static int print_fw_version(struct zd_chip *chip)
978 r = zd_ioread16_locked(chip, &version,
979 fw_reg_addr(chip, FW_REG_FIRMWARE_VER));
983 dev_info(zd_chip_dev(chip),"firmware version %04hx\n", version);
987 static int set_mandatory_rates(struct zd_chip *chip, int gmode)
990 ZD_ASSERT(mutex_is_locked(&chip->mutex));
991 /* This sets the mandatory rates, which only depend from the standard
992 * that the device is supporting. Until further notice we should try
993 * to support 802.11g also for full speed USB.
996 rates = CR_RATE_1M|CR_RATE_2M|CR_RATE_5_5M|CR_RATE_11M;
998 rates = CR_RATE_1M|CR_RATE_2M|CR_RATE_5_5M|CR_RATE_11M|
999 CR_RATE_6M|CR_RATE_12M|CR_RATE_24M;
1001 return zd_iowrite32_locked(chip, rates, CR_MANDATORY_RATE_TBL);
1004 int zd_chip_set_rts_cts_rate_locked(struct zd_chip *chip,
1009 dev_dbg_f(zd_chip_dev(chip), "preamble=%x\n", preamble);
1010 value |= preamble << RTSCTS_SH_RTS_PMB_TYPE;
1011 value |= preamble << RTSCTS_SH_CTS_PMB_TYPE;
1013 /* We always send 11M RTS/self-CTS messages, like the vendor driver. */
1014 value |= ZD_PURE_RATE(ZD_CCK_RATE_11M) << RTSCTS_SH_RTS_RATE;
1015 value |= ZD_RX_CCK << RTSCTS_SH_RTS_MOD_TYPE;
1016 value |= ZD_PURE_RATE(ZD_CCK_RATE_11M) << RTSCTS_SH_CTS_RATE;
1017 value |= ZD_RX_CCK << RTSCTS_SH_CTS_MOD_TYPE;
1019 return zd_iowrite32_locked(chip, value, CR_RTS_CTS_RATE);
1022 int zd_chip_enable_hwint(struct zd_chip *chip)
1026 mutex_lock(&chip->mutex);
1027 r = zd_iowrite32_locked(chip, HWINT_ENABLED, CR_INTERRUPT);
1028 mutex_unlock(&chip->mutex);
1032 static int disable_hwint(struct zd_chip *chip)
1034 return zd_iowrite32_locked(chip, HWINT_DISABLED, CR_INTERRUPT);
1037 int zd_chip_disable_hwint(struct zd_chip *chip)
1041 mutex_lock(&chip->mutex);
1042 r = disable_hwint(chip);
1043 mutex_unlock(&chip->mutex);
1047 static int read_fw_regs_offset(struct zd_chip *chip)
1051 ZD_ASSERT(mutex_is_locked(&chip->mutex));
1052 r = zd_ioread16_locked(chip, (u16*)&chip->fw_regs_base,
1056 dev_dbg_f(zd_chip_dev(chip), "fw_regs_base: %#06hx\n",
1057 (u16)chip->fw_regs_base);
1062 /* Read mac address using pre-firmware interface */
1063 int zd_chip_read_mac_addr_fw(struct zd_chip *chip, u8 *addr)
1065 dev_dbg_f(zd_chip_dev(chip), "\n");
1066 return zd_usb_read_fw(&chip->usb, E2P_MAC_ADDR_P1, addr,
1070 int zd_chip_init_hw(struct zd_chip *chip)
1075 dev_dbg_f(zd_chip_dev(chip), "\n");
1077 mutex_lock(&chip->mutex);
1080 r = test_init(chip);
1084 r = zd_iowrite32_locked(chip, 1, CR_AFTER_PNP);
1088 r = read_fw_regs_offset(chip);
1092 /* GPI is always disabled, also in the other driver.
1094 r = zd_iowrite32_locked(chip, 0, CR_GPI_EN);
1097 r = zd_iowrite32_locked(chip, CWIN_SIZE, CR_CWMIN_CWMAX);
1100 /* Currently we support IEEE 802.11g for full and high speed USB.
1101 * It might be discussed, whether we should suppport pure b mode for
1104 r = set_mandatory_rates(chip, 1);
1107 /* Disabling interrupts is certainly a smart thing here.
1109 r = disable_hwint(chip);
1112 r = read_pod(chip, &rf_type);
1118 r = zd_rf_init_hw(&chip->rf, rf_type);
1122 r = print_fw_version(chip);
1127 dump_fw_registers(chip);
1128 r = test_init(chip);
1133 r = read_cal_int_tables(chip);
1139 mutex_unlock(&chip->mutex);
1143 static int update_pwr_int(struct zd_chip *chip, u8 channel)
1145 u8 value = chip->pwr_int_values[channel - 1];
1146 return zd_iowrite16_locked(chip, value, CR31);
1149 static int update_pwr_cal(struct zd_chip *chip, u8 channel)
1151 u8 value = chip->pwr_cal_values[channel-1];
1152 return zd_iowrite16_locked(chip, value, CR68);
1155 static int update_ofdm_cal(struct zd_chip *chip, u8 channel)
1157 struct zd_ioreq16 ioreqs[3];
1159 ioreqs[0].addr = CR67;
1160 ioreqs[0].value = chip->ofdm_cal_values[OFDM_36M_INDEX][channel-1];
1161 ioreqs[1].addr = CR66;
1162 ioreqs[1].value = chip->ofdm_cal_values[OFDM_48M_INDEX][channel-1];
1163 ioreqs[2].addr = CR65;
1164 ioreqs[2].value = chip->ofdm_cal_values[OFDM_54M_INDEX][channel-1];
1166 return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
1169 static int update_channel_integration_and_calibration(struct zd_chip *chip,
1174 if (!zd_rf_should_update_pwr_int(&chip->rf))
1177 r = update_pwr_int(chip, channel);
1180 if (zd_chip_is_zd1211b(chip)) {
1181 static const struct zd_ioreq16 ioreqs[] = {
1187 r = update_ofdm_cal(chip, channel);
1190 r = update_pwr_cal(chip, channel);
1193 r = zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
1201 /* The CCK baseband gain can be optionally patched by the EEPROM */
1202 static int patch_cck_gain(struct zd_chip *chip)
1207 if (!chip->patch_cck_gain || !zd_rf_should_patch_cck_gain(&chip->rf))
1210 ZD_ASSERT(mutex_is_locked(&chip->mutex));
1211 r = zd_ioread32_locked(chip, &value, E2P_PHY_REG);
1214 dev_dbg_f(zd_chip_dev(chip), "patching value %x\n", value & 0xff);
1215 return zd_iowrite16_locked(chip, value & 0xff, CR47);
1218 int zd_chip_set_channel(struct zd_chip *chip, u8 channel)
1222 mutex_lock(&chip->mutex);
1223 r = zd_chip_lock_phy_regs(chip);
1226 r = zd_rf_set_channel(&chip->rf, channel);
1229 r = update_channel_integration_and_calibration(chip, channel);
1232 r = patch_cck_gain(chip);
1235 r = patch_6m_band_edge(chip, channel);
1238 r = zd_iowrite32_locked(chip, 0, CR_CONFIG_PHILIPS);
1240 t = zd_chip_unlock_phy_regs(chip);
1244 mutex_unlock(&chip->mutex);
1248 u8 zd_chip_get_channel(struct zd_chip *chip)
1252 mutex_lock(&chip->mutex);
1253 channel = chip->rf.channel;
1254 mutex_unlock(&chip->mutex);
1258 int zd_chip_control_leds(struct zd_chip *chip, enum led_status status)
1260 const zd_addr_t a[] = {
1261 fw_reg_addr(chip, FW_REG_LED_LINK_STATUS),
1266 u16 v[ARRAY_SIZE(a)];
1267 struct zd_ioreq16 ioreqs[ARRAY_SIZE(a)] = {
1268 [0] = { fw_reg_addr(chip, FW_REG_LED_LINK_STATUS) },
1273 mutex_lock(&chip->mutex);
1274 r = zd_ioread16v_locked(chip, v, (const zd_addr_t *)a, ARRAY_SIZE(a));
1278 other_led = chip->link_led == LED1 ? LED2 : LED1;
1282 ioreqs[0].value = FW_LINK_OFF;
1283 ioreqs[1].value = v[1] & ~(LED1|LED2);
1286 ioreqs[0].value = FW_LINK_OFF;
1287 ioreqs[1].value = v[1] & ~other_led;
1288 if (get_seconds() % 3 == 0) {
1289 ioreqs[1].value &= ~chip->link_led;
1291 ioreqs[1].value |= chip->link_led;
1294 case LED_ASSOCIATED:
1295 ioreqs[0].value = FW_LINK_TX;
1296 ioreqs[1].value = v[1] & ~other_led;
1297 ioreqs[1].value |= chip->link_led;
1304 if (v[0] != ioreqs[0].value || v[1] != ioreqs[1].value) {
1305 r = zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
1311 mutex_unlock(&chip->mutex);
1315 int zd_chip_set_basic_rates(struct zd_chip *chip, u16 cr_rates)
1319 if (cr_rates & ~(CR_RATES_80211B|CR_RATES_80211G))
1322 mutex_lock(&chip->mutex);
1323 r = zd_iowrite32_locked(chip, cr_rates, CR_BASIC_RATE_TBL);
1324 mutex_unlock(&chip->mutex);
1328 static int ofdm_qual_db(u8 status_quality, u8 zd_rate, unsigned int size)
1330 static const u16 constants[] = {
1331 715, 655, 585, 540, 470, 410, 360, 315,
1332 270, 235, 205, 175, 150, 125, 105, 85,
1339 /* It seems that their quality parameter is somehow per signal
1340 * and is now transferred per bit.
1343 case ZD_OFDM_RATE_6M:
1344 case ZD_OFDM_RATE_12M:
1345 case ZD_OFDM_RATE_24M:
1348 case ZD_OFDM_RATE_9M:
1349 case ZD_OFDM_RATE_18M:
1350 case ZD_OFDM_RATE_36M:
1351 case ZD_OFDM_RATE_54M:
1355 case ZD_OFDM_RATE_48M:
1363 x = (10000 * status_quality)/size;
1364 for (i = 0; i < ARRAY_SIZE(constants); i++) {
1365 if (x > constants[i])
1370 case ZD_OFDM_RATE_6M:
1371 case ZD_OFDM_RATE_9M:
1374 case ZD_OFDM_RATE_12M:
1375 case ZD_OFDM_RATE_18M:
1378 case ZD_OFDM_RATE_24M:
1379 case ZD_OFDM_RATE_36M:
1382 case ZD_OFDM_RATE_48M:
1383 case ZD_OFDM_RATE_54M:
1393 static int ofdm_qual_percent(u8 status_quality, u8 zd_rate, unsigned int size)
1397 r = ofdm_qual_db(status_quality, zd_rate, size);
1403 return r <= 100 ? r : 100;
1406 static unsigned int log10times100(unsigned int x)
1408 static const u8 log10[] = {
1410 0, 30, 47, 60, 69, 77, 84, 90, 95, 100,
1411 104, 107, 111, 114, 117, 120, 123, 125, 127, 130,
1412 132, 134, 136, 138, 139, 141, 143, 144, 146, 147,
1413 149, 150, 151, 153, 154, 155, 156, 157, 159, 160,
1414 161, 162, 163, 164, 165, 166, 167, 168, 169, 169,
1415 170, 171, 172, 173, 174, 174, 175, 176, 177, 177,
1416 178, 179, 179, 180, 181, 181, 182, 183, 183, 184,
1417 185, 185, 186, 186, 187, 188, 188, 189, 189, 190,
1418 190, 191, 191, 192, 192, 193, 193, 194, 194, 195,
1419 195, 196, 196, 197, 197, 198, 198, 199, 199, 200,
1420 200, 200, 201, 201, 202, 202, 202, 203, 203, 204,
1421 204, 204, 205, 205, 206, 206, 206, 207, 207, 207,
1422 208, 208, 208, 209, 209, 210, 210, 210, 211, 211,
1423 211, 212, 212, 212, 213, 213, 213, 213, 214, 214,
1424 214, 215, 215, 215, 216, 216, 216, 217, 217, 217,
1425 217, 218, 218, 218, 219, 219, 219, 219, 220, 220,
1426 220, 220, 221, 221, 221, 222, 222, 222, 222, 223,
1427 223, 223, 223, 224, 224, 224, 224,
1430 return x < ARRAY_SIZE(log10) ? log10[x] : 225;
1434 MAX_CCK_EVM_DB = 45,
1437 static int cck_evm_db(u8 status_quality)
1439 return (20 * log10times100(status_quality)) / 100;
1442 static int cck_snr_db(u8 status_quality)
1444 int r = MAX_CCK_EVM_DB - cck_evm_db(status_quality);
1449 static int cck_qual_percent(u8 status_quality)
1453 r = cck_snr_db(status_quality);
1455 return r <= 100 ? r : 100;
1458 static inline u8 zd_rate_from_ofdm_plcp_header(const void *rx_frame)
1460 return ZD_OFDM | zd_ofdm_plcp_header_rate(rx_frame);
1463 u8 zd_rx_qual_percent(const void *rx_frame, unsigned int size,
1464 const struct rx_status *status)
1466 return (status->frame_status&ZD_RX_OFDM) ?
1467 ofdm_qual_percent(status->signal_quality_ofdm,
1468 zd_rate_from_ofdm_plcp_header(rx_frame),
1470 cck_qual_percent(status->signal_quality_cck);
1474 * zd_rx_rate - report zd-rate
1475 * @rx_frame - received frame
1476 * @rx_status - rx_status as given by the device
1478 * This function converts the rate as encoded in the received packet to the
1479 * zd-rate, we are using on other places in the driver.
1481 u8 zd_rx_rate(const void *rx_frame, const struct rx_status *status)
1484 if (status->frame_status & ZD_RX_OFDM) {
1485 zd_rate = zd_rate_from_ofdm_plcp_header(rx_frame);
1487 switch (zd_cck_plcp_header_signal(rx_frame)) {
1488 case ZD_CCK_PLCP_SIGNAL_1M:
1489 zd_rate = ZD_CCK_RATE_1M;
1491 case ZD_CCK_PLCP_SIGNAL_2M:
1492 zd_rate = ZD_CCK_RATE_2M;
1494 case ZD_CCK_PLCP_SIGNAL_5M5:
1495 zd_rate = ZD_CCK_RATE_5_5M;
1497 case ZD_CCK_PLCP_SIGNAL_11M:
1498 zd_rate = ZD_CCK_RATE_11M;
1508 int zd_chip_switch_radio_on(struct zd_chip *chip)
1512 mutex_lock(&chip->mutex);
1513 r = zd_switch_radio_on(&chip->rf);
1514 mutex_unlock(&chip->mutex);
1518 int zd_chip_switch_radio_off(struct zd_chip *chip)
1522 mutex_lock(&chip->mutex);
1523 r = zd_switch_radio_off(&chip->rf);
1524 mutex_unlock(&chip->mutex);
1528 int zd_chip_enable_int(struct zd_chip *chip)
1532 mutex_lock(&chip->mutex);
1533 r = zd_usb_enable_int(&chip->usb);
1534 mutex_unlock(&chip->mutex);
1538 void zd_chip_disable_int(struct zd_chip *chip)
1540 mutex_lock(&chip->mutex);
1541 zd_usb_disable_int(&chip->usb);
1542 mutex_unlock(&chip->mutex);
1545 int zd_chip_enable_rxtx(struct zd_chip *chip)
1549 mutex_lock(&chip->mutex);
1550 zd_usb_enable_tx(&chip->usb);
1551 r = zd_usb_enable_rx(&chip->usb);
1552 mutex_unlock(&chip->mutex);
1556 void zd_chip_disable_rxtx(struct zd_chip *chip)
1558 mutex_lock(&chip->mutex);
1559 zd_usb_disable_rx(&chip->usb);
1560 zd_usb_disable_tx(&chip->usb);
1561 mutex_unlock(&chip->mutex);
1564 int zd_rfwritev_locked(struct zd_chip *chip,
1565 const u32* values, unsigned int count, u8 bits)
1570 for (i = 0; i < count; i++) {
1571 r = zd_rfwrite_locked(chip, values[i], bits);
1580 * We can optionally program the RF directly through CR regs, if supported by
1581 * the hardware. This is much faster than the older method.
1583 int zd_rfwrite_cr_locked(struct zd_chip *chip, u32 value)
1585 struct zd_ioreq16 ioreqs[] = {
1586 { CR244, (value >> 16) & 0xff },
1587 { CR243, (value >> 8) & 0xff },
1588 { CR242, value & 0xff },
1590 ZD_ASSERT(mutex_is_locked(&chip->mutex));
1591 return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
1594 int zd_rfwritev_cr_locked(struct zd_chip *chip,
1595 const u32 *values, unsigned int count)
1600 for (i = 0; i < count; i++) {
1601 r = zd_rfwrite_cr_locked(chip, values[i]);
1609 int zd_chip_set_multicast_hash(struct zd_chip *chip,
1610 struct zd_mc_hash *hash)
1612 struct zd_ioreq32 ioreqs[] = {
1613 { CR_GROUP_HASH_P1, hash->low },
1614 { CR_GROUP_HASH_P2, hash->high },
1617 return zd_iowrite32a(chip, ioreqs, ARRAY_SIZE(ioreqs));
1620 u64 zd_chip_get_tsf(struct zd_chip *chip)
1623 static const zd_addr_t aw_pt_bi_addr[] =
1624 { CR_TSF_LOW_PART, CR_TSF_HIGH_PART };
1628 mutex_lock(&chip->mutex);
1629 r = zd_ioread32v_locked(chip, values, (const zd_addr_t *)aw_pt_bi_addr,
1630 ARRAY_SIZE(aw_pt_bi_addr));
1631 mutex_unlock(&chip->mutex);
1636 tsf = (tsf << 32) | values[0];