1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /* ZD1211 USB-WLAN driver for Linux
4 * Copyright (C) 2005-2007 Ulrich Kunitz <kune@deine-taler.de>
5 * Copyright (C) 2006-2007 Daniel Drake <dsd@gentoo.org>
8 #include <linux/kernel.h>
14 static const u32 chan_rv[][2] = {
15 RF_CHANNEL( 1) = { 0x09ec00, 0x8cccc8 },
16 RF_CHANNEL( 2) = { 0x09ec00, 0x8cccd8 },
17 RF_CHANNEL( 3) = { 0x09ec00, 0x8cccc0 },
18 RF_CHANNEL( 4) = { 0x09ec00, 0x8cccd0 },
19 RF_CHANNEL( 5) = { 0x05ec00, 0x8cccc8 },
20 RF_CHANNEL( 6) = { 0x05ec00, 0x8cccd8 },
21 RF_CHANNEL( 7) = { 0x05ec00, 0x8cccc0 },
22 RF_CHANNEL( 8) = { 0x05ec00, 0x8cccd0 },
23 RF_CHANNEL( 9) = { 0x0dec00, 0x8cccc8 },
24 RF_CHANNEL(10) = { 0x0dec00, 0x8cccd8 },
25 RF_CHANNEL(11) = { 0x0dec00, 0x8cccc0 },
26 RF_CHANNEL(12) = { 0x0dec00, 0x8cccd0 },
27 RF_CHANNEL(13) = { 0x03ec00, 0x8cccc8 },
28 RF_CHANNEL(14) = { 0x03ec00, 0x866660 },
31 static const u32 std_rv[] = {
35 0xafd401, /* freq shift 0xaad401 */
44 static const u32 rv_init1[] = {
51 static const u32 rv_init2[] = {
57 static const struct zd_ioreq16 ioreqs_sw[] = {
58 { ZD_CR128, 0x14 }, { ZD_CR129, 0x12 }, { ZD_CR130, 0x10 },
59 { ZD_CR38, 0x38 }, { ZD_CR136, 0xdf },
62 static int zd1211b_al7230b_finalize(struct zd_chip *chip)
65 static const struct zd_ioreq16 ioreqs[] = {
66 { ZD_CR80, 0x30 }, { ZD_CR81, 0x30 }, { ZD_CR79, 0x58 },
67 { ZD_CR12, 0xf0 }, { ZD_CR77, 0x1b }, { ZD_CR78, 0x58 },
73 r = zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
77 if (chip->new_phy_layout) {
78 /* antenna selection? */
79 r = zd_iowrite16_locked(chip, 0xe5, ZD_CR9);
84 return zd_iowrite16_locked(chip, 0x04, ZD_CR203);
87 static int zd1211_al7230b_init_hw(struct zd_rf *rf)
90 struct zd_chip *chip = zd_rf_to_chip(rf);
92 /* All of these writes are identical to AL2230 unless otherwise
94 static const struct zd_ioreq16 ioreqs_1[] = {
95 /* This one is 7230-specific, and happens before the rest */
99 { ZD_CR15, 0x20 }, { ZD_CR23, 0x40 }, { ZD_CR24, 0x20 },
100 { ZD_CR26, 0x11 }, { ZD_CR28, 0x3e }, { ZD_CR29, 0x00 },
102 /* This value is different for 7230 (was: 0x2a) */
104 { ZD_CR107, 0x1a }, { ZD_CR109, 0x09 }, { ZD_CR110, 0x27 },
105 { ZD_CR111, 0x2b }, { ZD_CR112, 0x2b }, { ZD_CR119, 0x0a },
106 /* This happened further down in AL2230,
107 * and the value changed (was: 0xe0) */
110 /* for newest (3rd cut) AL2300 */
112 { ZD_CR26, 0x93 }, { ZD_CR34, 0x30 },
113 /* for newest (3rd cut) AL2300 */
115 { ZD_CR41, 0x24 }, { ZD_CR44, 0x32 },
116 /* for newest (3rd cut) AL2300 */
118 { ZD_CR47, 0x1e }, { ZD_CR79, 0x58 }, { ZD_CR80, 0x30 },
119 { ZD_CR81, 0x30 }, { ZD_CR87, 0x0a }, { ZD_CR89, 0x04 },
120 { ZD_CR92, 0x0a }, { ZD_CR99, 0x28 },
121 /* This value is different for 7230 (was: 0x00) */
123 { ZD_CR101, 0x13 }, { ZD_CR102, 0x27 },
124 /* This value is different for 7230 (was: 0x24) */
126 /* This value is different for 7230 (was: 0x2a) */
129 /* This value is different for 7230 (was: 0x13) */
131 { ZD_CR111, 0x1f }, { ZD_CR112, 0x1f }, { ZD_CR113, 0x27 },
133 /* for newest (3rd cut) AL2300 */
135 /* This value is different for 7230 (was: 0x24) */
137 /* This value is different for 7230 (was: 0xf4) */
139 { ZD_CR118, 0xfc }, { ZD_CR119, 0x10 }, { ZD_CR120, 0x4f },
140 { ZD_CR121, 0x77 }, { ZD_CR137, 0x88 },
141 /* This one is 7230-specific */
143 /* This value is different for 7230 (was: 0xff) */
145 /* This value is different for 7230 (was: 0xff) */
152 static const struct zd_ioreq16 ioreqs_2[] = {
153 { ZD_CR251, 0x3f }, /* PLL_ON */
154 { ZD_CR128, 0x14 }, { ZD_CR129, 0x12 }, { ZD_CR130, 0x10 },
155 { ZD_CR38, 0x38 }, { ZD_CR136, 0xdf },
158 r = zd_iowrite16a_locked(chip, ioreqs_1, ARRAY_SIZE(ioreqs_1));
162 r = zd_rfwritev_cr_locked(chip, chan_rv[0], ARRAY_SIZE(chan_rv[0]));
166 r = zd_rfwritev_cr_locked(chip, std_rv, ARRAY_SIZE(std_rv));
170 r = zd_rfwritev_cr_locked(chip, rv_init1, ARRAY_SIZE(rv_init1));
174 r = zd_iowrite16a_locked(chip, ioreqs_2, ARRAY_SIZE(ioreqs_2));
178 r = zd_rfwritev_cr_locked(chip, rv_init2, ARRAY_SIZE(rv_init2));
182 r = zd_iowrite16_locked(chip, 0x06, ZD_CR203);
185 r = zd_iowrite16_locked(chip, 0x80, ZD_CR240);
192 static int zd1211b_al7230b_init_hw(struct zd_rf *rf)
195 struct zd_chip *chip = zd_rf_to_chip(rf);
197 static const struct zd_ioreq16 ioreqs_1[] = {
198 { ZD_CR240, 0x57 }, { ZD_CR9, 0x9 },
200 { ZD_CR10, 0x8b }, { ZD_CR15, 0x20 },
201 { ZD_CR17, 0x2B }, /* for newest (3rd cut) AL2230 */
202 { ZD_CR20, 0x10 }, /* 4N25->Stone Request */
203 { ZD_CR23, 0x40 }, { ZD_CR24, 0x20 }, { ZD_CR26, 0x93 },
204 { ZD_CR28, 0x3e }, { ZD_CR29, 0x00 },
205 { ZD_CR33, 0x28 }, /* 5613 */
207 { ZD_CR35, 0x3e }, /* for newest (3rd cut) AL2230 */
208 { ZD_CR41, 0x24 }, { ZD_CR44, 0x32 },
209 { ZD_CR46, 0x99 }, /* for newest (3rd cut) AL2230 */
213 { ZD_CR48, 0x00 }, { ZD_CR49, 0x00 }, { ZD_CR51, 0x01 },
214 { ZD_CR52, 0x80 }, { ZD_CR53, 0x7e }, { ZD_CR65, 0x00 },
215 { ZD_CR66, 0x00 }, { ZD_CR67, 0x00 }, { ZD_CR68, 0x00 },
218 { ZD_CR79, 0x58 }, { ZD_CR80, 0x30 }, { ZD_CR81, 0x30 },
219 { ZD_CR87, 0x0A }, { ZD_CR89, 0x04 },
220 { ZD_CR90, 0x58 }, /* 5112 */
221 { ZD_CR91, 0x00 }, /* 5613 */
223 { ZD_CR98, 0x8d }, /* 4804, for 1212 new algorithm */
224 { ZD_CR99, 0x00 }, { ZD_CR100, 0x02 }, { ZD_CR101, 0x13 },
226 { ZD_CR106, 0x20 }, /* change to 0x24 for AL7230B */
227 { ZD_CR109, 0x13 }, /* 4804, for 1212 new algorithm */
231 static const struct zd_ioreq16 ioreqs_new_phy[] = {
233 { ZD_CR110, 0x1f }, /* 5127, 0x13->0x1f */
234 { ZD_CR111, 0x1f }, /* 0x13 to 0x1f for AL7230B */
235 { ZD_CR116, 0x2a }, { ZD_CR118, 0xfa }, { ZD_CR119, 0x12 },
236 { ZD_CR121, 0x6c }, /* 5613 */
239 static const struct zd_ioreq16 ioreqs_old_phy[] = {
241 { ZD_CR110, 0x13 }, /* 5127, 0x13->0x1f */
242 { ZD_CR111, 0x13 }, /* 0x13 to 0x1f for AL7230B */
243 { ZD_CR116, 0x24 }, { ZD_CR118, 0xfc }, { ZD_CR119, 0x11 },
244 { ZD_CR121, 0x6a }, /* 5613 */
247 static const struct zd_ioreq16 ioreqs_2[] = {
248 { ZD_CR113, 0x27 }, { ZD_CR114, 0x27 }, { ZD_CR115, 0x24 },
249 { ZD_CR117, 0xfa }, { ZD_CR120, 0x4f },
250 { ZD_CR122, 0xfc }, /* E0->FCh at 4901 */
251 { ZD_CR123, 0x57 }, /* 5613 */
252 { ZD_CR125, 0xad }, /* 4804, for 1212 new algorithm */
253 { ZD_CR126, 0x6c }, /* 5613 */
254 { ZD_CR127, 0x03 }, /* 4804, for 1212 new algorithm */
256 { ZD_CR131, 0x00 }, /* 5112 */
257 { ZD_CR137, 0x50 }, /* 5613 */
258 { ZD_CR138, 0xa8 }, /* 5112 */
259 { ZD_CR144, 0xac }, /* 5613 */
260 { ZD_CR148, 0x40 }, /* 5112 */
261 { ZD_CR149, 0x40 }, /* 4O07, 50->40 */
262 { ZD_CR150, 0x1a }, /* 5112, 0C->1A */
263 { ZD_CR252, 0x34 }, { ZD_CR253, 0x34 },
264 { ZD_CR251, 0x2f }, /* PLL_OFF */
267 static const struct zd_ioreq16 ioreqs_3[] = {
268 { ZD_CR251, 0x7f }, /* PLL_ON */
269 { ZD_CR128, 0x14 }, { ZD_CR129, 0x12 }, { ZD_CR130, 0x10 },
270 { ZD_CR38, 0x38 }, { ZD_CR136, 0xdf },
273 r = zd_iowrite16a_locked(chip, ioreqs_1, ARRAY_SIZE(ioreqs_1));
277 if (chip->new_phy_layout)
278 r = zd_iowrite16a_locked(chip, ioreqs_new_phy,
279 ARRAY_SIZE(ioreqs_new_phy));
281 r = zd_iowrite16a_locked(chip, ioreqs_old_phy,
282 ARRAY_SIZE(ioreqs_old_phy));
286 r = zd_iowrite16a_locked(chip, ioreqs_2, ARRAY_SIZE(ioreqs_2));
290 r = zd_rfwritev_cr_locked(chip, chan_rv[0], ARRAY_SIZE(chan_rv[0]));
294 r = zd_rfwritev_cr_locked(chip, std_rv, ARRAY_SIZE(std_rv));
298 r = zd_rfwritev_cr_locked(chip, rv_init1, ARRAY_SIZE(rv_init1));
302 r = zd_iowrite16a_locked(chip, ioreqs_3, ARRAY_SIZE(ioreqs_3));
306 r = zd_rfwritev_cr_locked(chip, rv_init2, ARRAY_SIZE(rv_init2));
310 return zd1211b_al7230b_finalize(chip);
313 static int zd1211_al7230b_set_channel(struct zd_rf *rf, u8 channel)
316 const u32 *rv = chan_rv[channel-1];
317 struct zd_chip *chip = zd_rf_to_chip(rf);
319 static const struct zd_ioreq16 ioreqs[] = {
322 { ZD_CR203, 0x06 }, { ZD_CR240, 0x08 },
325 r = zd_iowrite16_locked(chip, 0x57, ZD_CR240);
330 r = zd_iowrite16_locked(chip, 0x2f, ZD_CR251);
334 r = zd_rfwritev_cr_locked(chip, std_rv, ARRAY_SIZE(std_rv));
338 r = zd_rfwrite_cr_locked(chip, 0x3c9000);
341 r = zd_rfwrite_cr_locked(chip, 0xf15d58);
345 r = zd_iowrite16a_locked(chip, ioreqs_sw, ARRAY_SIZE(ioreqs_sw));
349 r = zd_rfwritev_cr_locked(chip, rv, 2);
353 r = zd_rfwrite_cr_locked(chip, 0x3c9000);
357 return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
360 static int zd1211b_al7230b_set_channel(struct zd_rf *rf, u8 channel)
363 const u32 *rv = chan_rv[channel-1];
364 struct zd_chip *chip = zd_rf_to_chip(rf);
366 r = zd_iowrite16_locked(chip, 0x57, ZD_CR240);
369 r = zd_iowrite16_locked(chip, 0xe4, ZD_CR9);
374 r = zd_iowrite16_locked(chip, 0x2f, ZD_CR251);
377 r = zd_rfwritev_cr_locked(chip, std_rv, ARRAY_SIZE(std_rv));
381 r = zd_rfwrite_cr_locked(chip, 0x3c9000);
384 r = zd_rfwrite_cr_locked(chip, 0xf15d58);
388 r = zd_iowrite16a_locked(chip, ioreqs_sw, ARRAY_SIZE(ioreqs_sw));
392 r = zd_rfwritev_cr_locked(chip, rv, 2);
396 r = zd_rfwrite_cr_locked(chip, 0x3c9000);
400 r = zd_iowrite16_locked(chip, 0x7f, ZD_CR251);
404 return zd1211b_al7230b_finalize(chip);
407 static int zd1211_al7230b_switch_radio_on(struct zd_rf *rf)
409 struct zd_chip *chip = zd_rf_to_chip(rf);
410 static const struct zd_ioreq16 ioreqs[] = {
415 return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
418 static int zd1211b_al7230b_switch_radio_on(struct zd_rf *rf)
420 struct zd_chip *chip = zd_rf_to_chip(rf);
421 static const struct zd_ioreq16 ioreqs[] = {
426 return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
429 static int al7230b_switch_radio_off(struct zd_rf *rf)
431 struct zd_chip *chip = zd_rf_to_chip(rf);
432 static const struct zd_ioreq16 ioreqs[] = {
437 return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
440 /* ZD1211B+AL7230B 6m band edge patching differs slightly from other
442 static int zd1211b_al7230b_patch_6m(struct zd_rf *rf, u8 channel)
444 struct zd_chip *chip = zd_rf_to_chip(rf);
445 struct zd_ioreq16 ioreqs[] = {
446 { ZD_CR128, 0x14 }, { ZD_CR129, 0x12 },
449 /* FIXME: Channel 11 is not the edge for all regulatory domains. */
451 ioreqs[0].value = 0x0e;
452 ioreqs[1].value = 0x10;
453 } else if (channel == 11) {
454 ioreqs[0].value = 0x10;
455 ioreqs[1].value = 0x10;
458 dev_dbg_f(zd_chip_dev(chip), "patching for channel %d\n", channel);
459 return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
462 int zd_rf_init_al7230b(struct zd_rf *rf)
464 struct zd_chip *chip = zd_rf_to_chip(rf);
466 if (zd_chip_is_zd1211b(chip)) {
467 rf->init_hw = zd1211b_al7230b_init_hw;
468 rf->switch_radio_on = zd1211b_al7230b_switch_radio_on;
469 rf->set_channel = zd1211b_al7230b_set_channel;
470 rf->patch_6m_band_edge = zd1211b_al7230b_patch_6m;
472 rf->init_hw = zd1211_al7230b_init_hw;
473 rf->switch_radio_on = zd1211_al7230b_switch_radio_on;
474 rf->set_channel = zd1211_al7230b_set_channel;
475 rf->patch_6m_band_edge = zd_rf_generic_patch_6m;
476 rf->patch_cck_gain = 1;
479 rf->switch_radio_off = al7230b_switch_radio_off;