1 /* zd_rf_al7230b.c: Functions for the AL7230B RF controller
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 #include <linux/kernel.h>
24 static const u32 chan_rv[][2] = {
25 RF_CHANNEL( 1) = { 0x09ec00, 0x8cccc8 },
26 RF_CHANNEL( 2) = { 0x09ec00, 0x8cccd8 },
27 RF_CHANNEL( 3) = { 0x09ec00, 0x8cccc0 },
28 RF_CHANNEL( 4) = { 0x09ec00, 0x8cccd0 },
29 RF_CHANNEL( 5) = { 0x05ec00, 0x8cccc8 },
30 RF_CHANNEL( 6) = { 0x05ec00, 0x8cccd8 },
31 RF_CHANNEL( 7) = { 0x05ec00, 0x8cccc0 },
32 RF_CHANNEL( 8) = { 0x05ec00, 0x8cccd0 },
33 RF_CHANNEL( 9) = { 0x0dec00, 0x8cccc8 },
34 RF_CHANNEL(10) = { 0x0dec00, 0x8cccd8 },
35 RF_CHANNEL(11) = { 0x0dec00, 0x8cccc0 },
36 RF_CHANNEL(12) = { 0x0dec00, 0x8cccd0 },
37 RF_CHANNEL(13) = { 0x03ec00, 0x8cccc8 },
38 RF_CHANNEL(14) = { 0x03ec00, 0x866660 },
41 static const u32 std_rv[] = {
45 0xafd401, /* freq shift 0xaad401 */
54 static int al7230b_init_hw(struct zd_rf *rf)
57 struct zd_chip *chip = zd_rf_to_chip(rf);
59 /* All of these writes are identical to AL2230 unless otherwise
61 static const struct zd_ioreq16 ioreqs_1[] = {
62 /* This one is 7230-specific, and happens before the rest */
66 { CR15, 0x20 }, { CR23, 0x40 }, { CR24, 0x20 },
67 { CR26, 0x11 }, { CR28, 0x3e }, { CR29, 0x00 },
69 /* This value is different for 7230 (was: 0x2a) */
71 { CR107, 0x1a }, { CR109, 0x09 }, { CR110, 0x27 },
72 { CR111, 0x2b }, { CR112, 0x2b }, { CR119, 0x0a },
73 /* This happened further down in AL2230,
74 * and the value changed (was: 0xe0) */
77 /* for newest (3rd cut) AL2300 */
79 { CR26, 0x93 }, { CR34, 0x30 },
80 /* for newest (3rd cut) AL2300 */
82 { CR41, 0x24 }, { CR44, 0x32 },
83 /* for newest (3rd cut) AL2300 */
85 { CR47, 0x1e }, { CR79, 0x58 }, { CR80, 0x30 },
86 { CR81, 0x30 }, { CR87, 0x0a }, { CR89, 0x04 },
87 { CR92, 0x0a }, { CR99, 0x28 },
88 /* This value is different for 7230 (was: 0x00) */
90 { CR101, 0x13 }, { CR102, 0x27 },
91 /* This value is different for 7230 (was: 0x24) */
93 /* This value is different for 7230 (was: 0x2a) */
96 /* This value is different for 7230 (was: 0x13) */
98 { CR111, 0x1f }, { CR112, 0x1f }, { CR113, 0x27 },
100 /* for newest (3rd cut) AL2300 */
102 /* This value is different for 7230 (was: 0x24) */
104 /* This value is different for 7230 (was: 0xf4) */
106 { CR118, 0xfc }, { CR119, 0x10 }, { CR120, 0x4f },
107 { CR121, 0x77 }, { CR137, 0x88 },
108 /* This one is 7230-specific */
110 /* This value is different for 7230 (was: 0xff) */
112 /* This value is different for 7230 (was: 0xff) */
119 static const struct zd_ioreq16 ioreqs_2[] = {
122 { CR128, 0x14 }, { CR129, 0x12 }, { CR130, 0x10 },
123 { CR38, 0x38 }, { CR136, 0xdf },
126 r = zd_iowrite16a_locked(chip, ioreqs_1, ARRAY_SIZE(ioreqs_1));
130 r = zd_rfwrite_cr_locked(chip, 0x09ec04);
133 r = zd_rfwrite_cr_locked(chip, 0x8cccc8);
137 for (i = 0; i < ARRAY_SIZE(std_rv); i++) {
138 r = zd_rfwrite_cr_locked(chip, std_rv[i]);
143 r = zd_rfwrite_cr_locked(chip, 0x3c9000);
146 r = zd_rfwrite_cr_locked(chip, 0xbfffff);
149 r = zd_rfwrite_cr_locked(chip, 0x700000);
152 r = zd_rfwrite_cr_locked(chip, 0xf15d58);
156 r = zd_iowrite16a_locked(chip, ioreqs_2, ARRAY_SIZE(ioreqs_2));
160 r = zd_rfwrite_cr_locked(chip, 0xf15d59);
163 r = zd_rfwrite_cr_locked(chip, 0xf15d5c);
166 r = zd_rfwrite_cr_locked(chip, 0xf15d58);
170 r = zd_iowrite16_locked(chip, 0x06, CR203);
173 r = zd_iowrite16_locked(chip, 0x80, CR240);
180 static int al7230b_set_channel(struct zd_rf *rf, u8 channel)
183 const u32 *rv = chan_rv[channel-1];
184 struct zd_chip *chip = zd_rf_to_chip(rf);
186 struct zd_ioreq16 ioreqs_1[] = {
187 { CR128, 0x14 }, { CR129, 0x12 }, { CR130, 0x10 },
188 { CR38, 0x38 }, { CR136, 0xdf },
191 struct zd_ioreq16 ioreqs_2[] = {
194 { CR203, 0x06 }, { CR240, 0x08 },
197 r = zd_iowrite16_locked(chip, 0x57, CR240);
202 r = zd_iowrite16_locked(chip, 0x2f, CR251);
206 for (i = 0; i < ARRAY_SIZE(std_rv); i++) {
207 r = zd_rfwrite_cr_locked(chip, std_rv[i]);
212 r = zd_rfwrite_cr_locked(chip, 0x3c9000);
215 r = zd_rfwrite_cr_locked(chip, 0xf15d58);
219 r = zd_iowrite16a_locked(chip, ioreqs_1, ARRAY_SIZE(ioreqs_1));
223 for (i = 0; i < 2; i++) {
224 r = zd_rfwrite_cr_locked(chip, rv[i]);
229 r = zd_rfwrite_cr_locked(chip, 0x3c9000);
233 return zd_iowrite16a_locked(chip, ioreqs_2, ARRAY_SIZE(ioreqs_2));
236 static int al7230b_switch_radio_on(struct zd_rf *rf)
238 struct zd_chip *chip = zd_rf_to_chip(rf);
239 static const struct zd_ioreq16 ioreqs[] = {
244 return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
247 static int al7230b_switch_radio_off(struct zd_rf *rf)
249 struct zd_chip *chip = zd_rf_to_chip(rf);
250 static const struct zd_ioreq16 ioreqs[] = {
255 return zd_iowrite16a_locked(chip, ioreqs, ARRAY_SIZE(ioreqs));
258 int zd_rf_init_al7230b(struct zd_rf *rf)
260 struct zd_chip *chip = zd_rf_to_chip(rf);
262 if (chip->is_zd1211b) {
263 dev_err(zd_chip_dev(chip), "AL7230B is currently not "
264 "supported for ZD1211B devices\n");
268 rf->init_hw = al7230b_init_hw;
269 rf->set_channel = al7230b_set_channel;
270 rf->switch_radio_on = al7230b_switch_radio_on;
271 rf->switch_radio_off = al7230b_switch_radio_off;
272 rf->patch_6m_band_edge = 1;