1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Radio tuning for RTL8225 on RTL8187
4 *
5 * Copyright 2007 Michael Wu <flamingice@sourmilk.net>
6 * Copyright 2007 Andrea Merello <andrea.merello@gmail.com>
7 *
8 * Based on the r8187 driver, which is:
9 * Copyright 2005 Andrea Merello <andrea.merello@gmail.com>, et al.
10 *
11 * Magic delays, register offsets, and phy value tables below are
12 * taken from the original r8187 driver sources. Thanks to Realtek
13 * for their support!
14 */
15
16 #include <linux/usb.h>
17 #include <net/mac80211.h>
18
19 #include "rtl8187.h"
20 #include "rtl8225.h"
21
rtl818x_ioread8_idx(struct rtl8187_priv * priv,u8 * addr,u8 idx)22 u8 rtl818x_ioread8_idx(struct rtl8187_priv *priv,
23 u8 *addr, u8 idx)
24 {
25 u8 val;
26
27 mutex_lock(&priv->io_mutex);
28 usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
29 RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
30 (unsigned long)addr, idx & 0x03,
31 &priv->io_dmabuf->bits8, sizeof(val), 500);
32
33 val = priv->io_dmabuf->bits8;
34 mutex_unlock(&priv->io_mutex);
35
36 return val;
37 }
38
rtl818x_ioread16_idx(struct rtl8187_priv * priv,__le16 * addr,u8 idx)39 u16 rtl818x_ioread16_idx(struct rtl8187_priv *priv,
40 __le16 *addr, u8 idx)
41 {
42 __le16 val;
43
44 mutex_lock(&priv->io_mutex);
45 usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
46 RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
47 (unsigned long)addr, idx & 0x03,
48 &priv->io_dmabuf->bits16, sizeof(val), 500);
49
50 val = priv->io_dmabuf->bits16;
51 mutex_unlock(&priv->io_mutex);
52
53 return le16_to_cpu(val);
54 }
55
rtl818x_ioread32_idx(struct rtl8187_priv * priv,__le32 * addr,u8 idx)56 u32 rtl818x_ioread32_idx(struct rtl8187_priv *priv,
57 __le32 *addr, u8 idx)
58 {
59 __le32 val;
60
61 mutex_lock(&priv->io_mutex);
62 usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
63 RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
64 (unsigned long)addr, idx & 0x03,
65 &priv->io_dmabuf->bits32, sizeof(val), 500);
66
67 val = priv->io_dmabuf->bits32;
68 mutex_unlock(&priv->io_mutex);
69
70 return le32_to_cpu(val);
71 }
72
rtl818x_iowrite8_idx(struct rtl8187_priv * priv,u8 * addr,u8 val,u8 idx)73 void rtl818x_iowrite8_idx(struct rtl8187_priv *priv,
74 u8 *addr, u8 val, u8 idx)
75 {
76 mutex_lock(&priv->io_mutex);
77
78 priv->io_dmabuf->bits8 = val;
79 usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
80 RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
81 (unsigned long)addr, idx & 0x03,
82 &priv->io_dmabuf->bits8, sizeof(val), 500);
83
84 mutex_unlock(&priv->io_mutex);
85 }
86
rtl818x_iowrite16_idx(struct rtl8187_priv * priv,__le16 * addr,u16 val,u8 idx)87 void rtl818x_iowrite16_idx(struct rtl8187_priv *priv,
88 __le16 *addr, u16 val, u8 idx)
89 {
90 mutex_lock(&priv->io_mutex);
91
92 priv->io_dmabuf->bits16 = cpu_to_le16(val);
93 usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
94 RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
95 (unsigned long)addr, idx & 0x03,
96 &priv->io_dmabuf->bits16, sizeof(val), 500);
97
98 mutex_unlock(&priv->io_mutex);
99 }
100
rtl818x_iowrite32_idx(struct rtl8187_priv * priv,__le32 * addr,u32 val,u8 idx)101 void rtl818x_iowrite32_idx(struct rtl8187_priv *priv,
102 __le32 *addr, u32 val, u8 idx)
103 {
104 mutex_lock(&priv->io_mutex);
105
106 priv->io_dmabuf->bits32 = cpu_to_le32(val);
107 usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
108 RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
109 (unsigned long)addr, idx & 0x03,
110 &priv->io_dmabuf->bits32, sizeof(val), 500);
111
112 mutex_unlock(&priv->io_mutex);
113 }
114
rtl8225_write_bitbang(struct ieee80211_hw * dev,u8 addr,u16 data)115 static void rtl8225_write_bitbang(struct ieee80211_hw *dev, u8 addr, u16 data)
116 {
117 struct rtl8187_priv *priv = dev->priv;
118 u16 reg80, reg84, reg82;
119 u32 bangdata;
120 int i;
121
122 bangdata = (data << 4) | (addr & 0xf);
123
124 reg80 = rtl818x_ioread16(priv, &priv->map->RFPinsOutput) & 0xfff3;
125 reg82 = rtl818x_ioread16(priv, &priv->map->RFPinsEnable);
126
127 rtl818x_iowrite16(priv, &priv->map->RFPinsEnable, reg82 | 0x7);
128
129 reg84 = rtl818x_ioread16(priv, &priv->map->RFPinsSelect);
130 rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, reg84 | 0x7);
131 udelay(10);
132
133 rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, reg80 | (1 << 2));
134 udelay(2);
135 rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, reg80);
136 udelay(10);
137
138 for (i = 15; i >= 0; i--) {
139 u16 reg = reg80 | (bangdata & (1 << i)) >> i;
140
141 if (i & 1)
142 rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, reg);
143
144 rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, reg | (1 << 1));
145 rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, reg | (1 << 1));
146
147 if (!(i & 1))
148 rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, reg);
149 }
150
151 rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, reg80 | (1 << 2));
152 udelay(10);
153
154 rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, reg80 | (1 << 2));
155 rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, reg84);
156 }
157
rtl8225_write_8051(struct ieee80211_hw * dev,u8 addr,__le16 data)158 static void rtl8225_write_8051(struct ieee80211_hw *dev, u8 addr, __le16 data)
159 {
160 struct rtl8187_priv *priv = dev->priv;
161 u16 reg80, reg82, reg84;
162
163 reg80 = rtl818x_ioread16(priv, &priv->map->RFPinsOutput);
164 reg82 = rtl818x_ioread16(priv, &priv->map->RFPinsEnable);
165 reg84 = rtl818x_ioread16(priv, &priv->map->RFPinsSelect);
166
167 reg80 &= ~(0x3 << 2);
168 reg84 &= ~0xF;
169
170 rtl818x_iowrite16(priv, &priv->map->RFPinsEnable, reg82 | 0x0007);
171 rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, reg84 | 0x0007);
172 udelay(10);
173
174 rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, reg80 | (1 << 2));
175 udelay(2);
176
177 rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, reg80);
178 udelay(10);
179
180 mutex_lock(&priv->io_mutex);
181
182 priv->io_dmabuf->bits16 = data;
183 usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
184 RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
185 addr, 0x8225, &priv->io_dmabuf->bits16, sizeof(data),
186 500);
187
188 mutex_unlock(&priv->io_mutex);
189
190 rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, reg80 | (1 << 2));
191 udelay(10);
192
193 rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, reg80 | (1 << 2));
194 rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, reg84);
195 }
196
rtl8225_write(struct ieee80211_hw * dev,u8 addr,u16 data)197 static void rtl8225_write(struct ieee80211_hw *dev, u8 addr, u16 data)
198 {
199 struct rtl8187_priv *priv = dev->priv;
200
201 if (priv->asic_rev)
202 rtl8225_write_8051(dev, addr, cpu_to_le16(data));
203 else
204 rtl8225_write_bitbang(dev, addr, data);
205 }
206
rtl8225_read(struct ieee80211_hw * dev,u8 addr)207 static u16 rtl8225_read(struct ieee80211_hw *dev, u8 addr)
208 {
209 struct rtl8187_priv *priv = dev->priv;
210 u16 reg80, reg82, reg84, out;
211 int i;
212
213 reg80 = rtl818x_ioread16(priv, &priv->map->RFPinsOutput);
214 reg82 = rtl818x_ioread16(priv, &priv->map->RFPinsEnable);
215 reg84 = rtl818x_ioread16(priv, &priv->map->RFPinsSelect);
216
217 reg80 &= ~0xF;
218
219 rtl818x_iowrite16(priv, &priv->map->RFPinsEnable, reg82 | 0x000F);
220 rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, reg84 | 0x000F);
221
222 rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, reg80 | (1 << 2));
223 udelay(4);
224 rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, reg80);
225 udelay(5);
226
227 for (i = 4; i >= 0; i--) {
228 u16 reg = reg80 | ((addr >> i) & 1);
229
230 if (!(i & 1)) {
231 rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, reg);
232 udelay(1);
233 }
234
235 rtl818x_iowrite16(priv, &priv->map->RFPinsOutput,
236 reg | (1 << 1));
237 udelay(2);
238 rtl818x_iowrite16(priv, &priv->map->RFPinsOutput,
239 reg | (1 << 1));
240 udelay(2);
241
242 if (i & 1) {
243 rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, reg);
244 udelay(1);
245 }
246 }
247
248 rtl818x_iowrite16(priv, &priv->map->RFPinsOutput,
249 reg80 | (1 << 3) | (1 << 1));
250 udelay(2);
251 rtl818x_iowrite16(priv, &priv->map->RFPinsOutput,
252 reg80 | (1 << 3));
253 udelay(2);
254 rtl818x_iowrite16(priv, &priv->map->RFPinsOutput,
255 reg80 | (1 << 3));
256 udelay(2);
257
258 out = 0;
259 for (i = 11; i >= 0; i--) {
260 rtl818x_iowrite16(priv, &priv->map->RFPinsOutput,
261 reg80 | (1 << 3));
262 udelay(1);
263 rtl818x_iowrite16(priv, &priv->map->RFPinsOutput,
264 reg80 | (1 << 3) | (1 << 1));
265 udelay(2);
266 rtl818x_iowrite16(priv, &priv->map->RFPinsOutput,
267 reg80 | (1 << 3) | (1 << 1));
268 udelay(2);
269 rtl818x_iowrite16(priv, &priv->map->RFPinsOutput,
270 reg80 | (1 << 3) | (1 << 1));
271 udelay(2);
272
273 if (rtl818x_ioread16(priv, &priv->map->RFPinsInput) & (1 << 1))
274 out |= 1 << i;
275
276 rtl818x_iowrite16(priv, &priv->map->RFPinsOutput,
277 reg80 | (1 << 3));
278 udelay(2);
279 }
280
281 rtl818x_iowrite16(priv, &priv->map->RFPinsOutput,
282 reg80 | (1 << 3) | (1 << 2));
283 udelay(2);
284
285 rtl818x_iowrite16(priv, &priv->map->RFPinsEnable, reg82);
286 rtl818x_iowrite16(priv, &priv->map->RFPinsSelect, reg84);
287 rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, 0x03A0);
288
289 return out;
290 }
291
292 static const u16 rtl8225bcd_rxgain[] = {
293 0x0400, 0x0401, 0x0402, 0x0403, 0x0404, 0x0405, 0x0408, 0x0409,
294 0x040a, 0x040b, 0x0502, 0x0503, 0x0504, 0x0505, 0x0540, 0x0541,
295 0x0542, 0x0543, 0x0544, 0x0545, 0x0580, 0x0581, 0x0582, 0x0583,
296 0x0584, 0x0585, 0x0588, 0x0589, 0x058a, 0x058b, 0x0643, 0x0644,
297 0x0645, 0x0680, 0x0681, 0x0682, 0x0683, 0x0684, 0x0685, 0x0688,
298 0x0689, 0x068a, 0x068b, 0x068c, 0x0742, 0x0743, 0x0744, 0x0745,
299 0x0780, 0x0781, 0x0782, 0x0783, 0x0784, 0x0785, 0x0788, 0x0789,
300 0x078a, 0x078b, 0x078c, 0x078d, 0x0790, 0x0791, 0x0792, 0x0793,
301 0x0794, 0x0795, 0x0798, 0x0799, 0x079a, 0x079b, 0x079c, 0x079d,
302 0x07a0, 0x07a1, 0x07a2, 0x07a3, 0x07a4, 0x07a5, 0x07a8, 0x07a9,
303 0x07aa, 0x07ab, 0x07ac, 0x07ad, 0x07b0, 0x07b1, 0x07b2, 0x07b3,
304 0x07b4, 0x07b5, 0x07b8, 0x07b9, 0x07ba, 0x07bb, 0x07bb
305 };
306
307 static const u8 rtl8225_agc[] = {
308 0x9e, 0x9e, 0x9e, 0x9e, 0x9e, 0x9e, 0x9e, 0x9e,
309 0x9d, 0x9c, 0x9b, 0x9a, 0x99, 0x98, 0x97, 0x96,
310 0x95, 0x94, 0x93, 0x92, 0x91, 0x90, 0x8f, 0x8e,
311 0x8d, 0x8c, 0x8b, 0x8a, 0x89, 0x88, 0x87, 0x86,
312 0x85, 0x84, 0x83, 0x82, 0x81, 0x80, 0x3f, 0x3e,
313 0x3d, 0x3c, 0x3b, 0x3a, 0x39, 0x38, 0x37, 0x36,
314 0x35, 0x34, 0x33, 0x32, 0x31, 0x30, 0x2f, 0x2e,
315 0x2d, 0x2c, 0x2b, 0x2a, 0x29, 0x28, 0x27, 0x26,
316 0x25, 0x24, 0x23, 0x22, 0x21, 0x20, 0x1f, 0x1e,
317 0x1d, 0x1c, 0x1b, 0x1a, 0x19, 0x18, 0x17, 0x16,
318 0x15, 0x14, 0x13, 0x12, 0x11, 0x10, 0x0f, 0x0e,
319 0x0d, 0x0c, 0x0b, 0x0a, 0x09, 0x08, 0x07, 0x06,
320 0x05, 0x04, 0x03, 0x02, 0x01, 0x01, 0x01, 0x01,
321 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
322 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
323 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01
324 };
325
326 static const u8 rtl8225_gain[] = {
327 0x23, 0x88, 0x7c, 0xa5, /* -82dBm */
328 0x23, 0x88, 0x7c, 0xb5, /* -82dBm */
329 0x23, 0x88, 0x7c, 0xc5, /* -82dBm */
330 0x33, 0x80, 0x79, 0xc5, /* -78dBm */
331 0x43, 0x78, 0x76, 0xc5, /* -74dBm */
332 0x53, 0x60, 0x73, 0xc5, /* -70dBm */
333 0x63, 0x58, 0x70, 0xc5, /* -66dBm */
334 };
335
336 static const u8 rtl8225_threshold[] = {
337 0x8d, 0x8d, 0x8d, 0x8d, 0x9d, 0xad, 0xbd
338 };
339
340 static const u8 rtl8225_tx_gain_cck_ofdm[] = {
341 0x02, 0x06, 0x0e, 0x1e, 0x3e, 0x7e
342 };
343
344 static const u8 rtl8225_tx_power_cck[] = {
345 0x18, 0x17, 0x15, 0x11, 0x0c, 0x08, 0x04, 0x02,
346 0x1b, 0x1a, 0x17, 0x13, 0x0e, 0x09, 0x04, 0x02,
347 0x1f, 0x1e, 0x1a, 0x15, 0x10, 0x0a, 0x05, 0x02,
348 0x22, 0x21, 0x1d, 0x18, 0x11, 0x0b, 0x06, 0x02,
349 0x26, 0x25, 0x21, 0x1b, 0x14, 0x0d, 0x06, 0x03,
350 0x2b, 0x2a, 0x25, 0x1e, 0x16, 0x0e, 0x07, 0x03
351 };
352
353 static const u8 rtl8225_tx_power_cck_ch14[] = {
354 0x18, 0x17, 0x15, 0x0c, 0x00, 0x00, 0x00, 0x00,
355 0x1b, 0x1a, 0x17, 0x0e, 0x00, 0x00, 0x00, 0x00,
356 0x1f, 0x1e, 0x1a, 0x0f, 0x00, 0x00, 0x00, 0x00,
357 0x22, 0x21, 0x1d, 0x11, 0x00, 0x00, 0x00, 0x00,
358 0x26, 0x25, 0x21, 0x13, 0x00, 0x00, 0x00, 0x00,
359 0x2b, 0x2a, 0x25, 0x15, 0x00, 0x00, 0x00, 0x00
360 };
361
362 static const u8 rtl8225_tx_power_ofdm[] = {
363 0x80, 0x90, 0xa2, 0xb5, 0xcb, 0xe4
364 };
365
366 static const u32 rtl8225_chan[] = {
367 0x085c, 0x08dc, 0x095c, 0x09dc, 0x0a5c, 0x0adc, 0x0b5c,
368 0x0bdc, 0x0c5c, 0x0cdc, 0x0d5c, 0x0ddc, 0x0e5c, 0x0f72
369 };
370
rtl8225_rf_set_tx_power(struct ieee80211_hw * dev,int channel)371 static void rtl8225_rf_set_tx_power(struct ieee80211_hw *dev, int channel)
372 {
373 struct rtl8187_priv *priv = dev->priv;
374 u8 cck_power, ofdm_power;
375 const u8 *tmp;
376 u32 reg;
377 int i;
378
379 cck_power = priv->channels[channel - 1].hw_value & 0xF;
380 ofdm_power = priv->channels[channel - 1].hw_value >> 4;
381
382 cck_power = min(cck_power, (u8)11);
383 if (ofdm_power > (u8)15)
384 ofdm_power = 25;
385 else
386 ofdm_power += 10;
387
388 rtl818x_iowrite8(priv, &priv->map->TX_GAIN_CCK,
389 rtl8225_tx_gain_cck_ofdm[cck_power / 6] >> 1);
390
391 if (channel == 14)
392 tmp = &rtl8225_tx_power_cck_ch14[(cck_power % 6) * 8];
393 else
394 tmp = &rtl8225_tx_power_cck[(cck_power % 6) * 8];
395
396 for (i = 0; i < 8; i++)
397 rtl8225_write_phy_cck(dev, 0x44 + i, *tmp++);
398
399 msleep(1); // FIXME: optional?
400
401 /* anaparam2 on */
402 rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_CONFIG);
403 reg = rtl818x_ioread8(priv, &priv->map->CONFIG3);
404 rtl818x_iowrite8(priv, &priv->map->CONFIG3,
405 reg | RTL818X_CONFIG3_ANAPARAM_WRITE);
406 rtl818x_iowrite32(priv, &priv->map->ANAPARAM2,
407 RTL8187_RTL8225_ANAPARAM2_ON);
408 rtl818x_iowrite8(priv, &priv->map->CONFIG3,
409 reg & ~RTL818X_CONFIG3_ANAPARAM_WRITE);
410 rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_NORMAL);
411
412 rtl8225_write_phy_ofdm(dev, 2, 0x42);
413 rtl8225_write_phy_ofdm(dev, 6, 0x00);
414 rtl8225_write_phy_ofdm(dev, 8, 0x00);
415
416 rtl818x_iowrite8(priv, &priv->map->TX_GAIN_OFDM,
417 rtl8225_tx_gain_cck_ofdm[ofdm_power / 6] >> 1);
418
419 tmp = &rtl8225_tx_power_ofdm[ofdm_power % 6];
420
421 rtl8225_write_phy_ofdm(dev, 5, *tmp);
422 rtl8225_write_phy_ofdm(dev, 7, *tmp);
423
424 msleep(1);
425 }
426
rtl8225_rf_init(struct ieee80211_hw * dev)427 static void rtl8225_rf_init(struct ieee80211_hw *dev)
428 {
429 struct rtl8187_priv *priv = dev->priv;
430 int i;
431
432 rtl8225_write(dev, 0x0, 0x067);
433 rtl8225_write(dev, 0x1, 0xFE0);
434 rtl8225_write(dev, 0x2, 0x44D);
435 rtl8225_write(dev, 0x3, 0x441);
436 rtl8225_write(dev, 0x4, 0x486);
437 rtl8225_write(dev, 0x5, 0xBC0);
438 rtl8225_write(dev, 0x6, 0xAE6);
439 rtl8225_write(dev, 0x7, 0x82A);
440 rtl8225_write(dev, 0x8, 0x01F);
441 rtl8225_write(dev, 0x9, 0x334);
442 rtl8225_write(dev, 0xA, 0xFD4);
443 rtl8225_write(dev, 0xB, 0x391);
444 rtl8225_write(dev, 0xC, 0x050);
445 rtl8225_write(dev, 0xD, 0x6DB);
446 rtl8225_write(dev, 0xE, 0x029);
447 rtl8225_write(dev, 0xF, 0x914); msleep(100);
448
449 rtl8225_write(dev, 0x2, 0xC4D); msleep(200);
450 rtl8225_write(dev, 0x2, 0x44D); msleep(200);
451
452 if (!(rtl8225_read(dev, 6) & (1 << 7))) {
453 rtl8225_write(dev, 0x02, 0x0c4d);
454 msleep(200);
455 rtl8225_write(dev, 0x02, 0x044d);
456 msleep(100);
457 if (!(rtl8225_read(dev, 6) & (1 << 7)))
458 wiphy_warn(dev->wiphy, "RF Calibration Failed! %x\n",
459 rtl8225_read(dev, 6));
460 }
461
462 rtl8225_write(dev, 0x0, 0x127);
463
464 for (i = 0; i < ARRAY_SIZE(rtl8225bcd_rxgain); i++) {
465 rtl8225_write(dev, 0x1, i + 1);
466 rtl8225_write(dev, 0x2, rtl8225bcd_rxgain[i]);
467 }
468
469 rtl8225_write(dev, 0x0, 0x027);
470 rtl8225_write(dev, 0x0, 0x22F);
471
472 for (i = 0; i < ARRAY_SIZE(rtl8225_agc); i++) {
473 rtl8225_write_phy_ofdm(dev, 0xB, rtl8225_agc[i]);
474 rtl8225_write_phy_ofdm(dev, 0xA, 0x80 + i);
475 }
476
477 msleep(1);
478
479 rtl8225_write_phy_ofdm(dev, 0x00, 0x01);
480 rtl8225_write_phy_ofdm(dev, 0x01, 0x02);
481 rtl8225_write_phy_ofdm(dev, 0x02, 0x42);
482 rtl8225_write_phy_ofdm(dev, 0x03, 0x00);
483 rtl8225_write_phy_ofdm(dev, 0x04, 0x00);
484 rtl8225_write_phy_ofdm(dev, 0x05, 0x00);
485 rtl8225_write_phy_ofdm(dev, 0x06, 0x40);
486 rtl8225_write_phy_ofdm(dev, 0x07, 0x00);
487 rtl8225_write_phy_ofdm(dev, 0x08, 0x40);
488 rtl8225_write_phy_ofdm(dev, 0x09, 0xfe);
489 rtl8225_write_phy_ofdm(dev, 0x0a, 0x09);
490 rtl8225_write_phy_ofdm(dev, 0x0b, 0x80);
491 rtl8225_write_phy_ofdm(dev, 0x0c, 0x01);
492 rtl8225_write_phy_ofdm(dev, 0x0e, 0xd3);
493 rtl8225_write_phy_ofdm(dev, 0x0f, 0x38);
494 rtl8225_write_phy_ofdm(dev, 0x10, 0x84);
495 rtl8225_write_phy_ofdm(dev, 0x11, 0x06);
496 rtl8225_write_phy_ofdm(dev, 0x12, 0x20);
497 rtl8225_write_phy_ofdm(dev, 0x13, 0x20);
498 rtl8225_write_phy_ofdm(dev, 0x14, 0x00);
499 rtl8225_write_phy_ofdm(dev, 0x15, 0x40);
500 rtl8225_write_phy_ofdm(dev, 0x16, 0x00);
501 rtl8225_write_phy_ofdm(dev, 0x17, 0x40);
502 rtl8225_write_phy_ofdm(dev, 0x18, 0xef);
503 rtl8225_write_phy_ofdm(dev, 0x19, 0x19);
504 rtl8225_write_phy_ofdm(dev, 0x1a, 0x20);
505 rtl8225_write_phy_ofdm(dev, 0x1b, 0x76);
506 rtl8225_write_phy_ofdm(dev, 0x1c, 0x04);
507 rtl8225_write_phy_ofdm(dev, 0x1e, 0x95);
508 rtl8225_write_phy_ofdm(dev, 0x1f, 0x75);
509 rtl8225_write_phy_ofdm(dev, 0x20, 0x1f);
510 rtl8225_write_phy_ofdm(dev, 0x21, 0x27);
511 rtl8225_write_phy_ofdm(dev, 0x22, 0x16);
512 rtl8225_write_phy_ofdm(dev, 0x24, 0x46);
513 rtl8225_write_phy_ofdm(dev, 0x25, 0x20);
514 rtl8225_write_phy_ofdm(dev, 0x26, 0x90);
515 rtl8225_write_phy_ofdm(dev, 0x27, 0x88);
516
517 rtl8225_write_phy_ofdm(dev, 0x0d, rtl8225_gain[2 * 4]);
518 rtl8225_write_phy_ofdm(dev, 0x1b, rtl8225_gain[2 * 4 + 2]);
519 rtl8225_write_phy_ofdm(dev, 0x1d, rtl8225_gain[2 * 4 + 3]);
520 rtl8225_write_phy_ofdm(dev, 0x23, rtl8225_gain[2 * 4 + 1]);
521
522 rtl8225_write_phy_cck(dev, 0x00, 0x98);
523 rtl8225_write_phy_cck(dev, 0x03, 0x20);
524 rtl8225_write_phy_cck(dev, 0x04, 0x7e);
525 rtl8225_write_phy_cck(dev, 0x05, 0x12);
526 rtl8225_write_phy_cck(dev, 0x06, 0xfc);
527 rtl8225_write_phy_cck(dev, 0x07, 0x78);
528 rtl8225_write_phy_cck(dev, 0x08, 0x2e);
529 rtl8225_write_phy_cck(dev, 0x10, 0x9b);
530 rtl8225_write_phy_cck(dev, 0x11, 0x88);
531 rtl8225_write_phy_cck(dev, 0x12, 0x47);
532 rtl8225_write_phy_cck(dev, 0x13, 0xd0);
533 rtl8225_write_phy_cck(dev, 0x19, 0x00);
534 rtl8225_write_phy_cck(dev, 0x1a, 0xa0);
535 rtl8225_write_phy_cck(dev, 0x1b, 0x08);
536 rtl8225_write_phy_cck(dev, 0x40, 0x86);
537 rtl8225_write_phy_cck(dev, 0x41, 0x8d);
538 rtl8225_write_phy_cck(dev, 0x42, 0x15);
539 rtl8225_write_phy_cck(dev, 0x43, 0x18);
540 rtl8225_write_phy_cck(dev, 0x44, 0x1f);
541 rtl8225_write_phy_cck(dev, 0x45, 0x1e);
542 rtl8225_write_phy_cck(dev, 0x46, 0x1a);
543 rtl8225_write_phy_cck(dev, 0x47, 0x15);
544 rtl8225_write_phy_cck(dev, 0x48, 0x10);
545 rtl8225_write_phy_cck(dev, 0x49, 0x0a);
546 rtl8225_write_phy_cck(dev, 0x4a, 0x05);
547 rtl8225_write_phy_cck(dev, 0x4b, 0x02);
548 rtl8225_write_phy_cck(dev, 0x4c, 0x05);
549
550 rtl818x_iowrite8(priv, &priv->map->TESTR, 0x0D);
551
552 rtl8225_rf_set_tx_power(dev, 1);
553
554 /* RX antenna default to A */
555 rtl8225_write_phy_cck(dev, 0x10, 0x9b); /* B: 0xDB */
556 rtl8225_write_phy_ofdm(dev, 0x26, 0x90); /* B: 0x10 */
557
558 rtl818x_iowrite8(priv, &priv->map->TX_ANTENNA, 0x03); /* B: 0x00 */
559 msleep(1);
560 rtl818x_iowrite32(priv, (__le32 *)0xFF94, 0x3dc00002);
561
562 /* set sensitivity */
563 rtl8225_write(dev, 0x0c, 0x50);
564 rtl8225_write_phy_ofdm(dev, 0x0d, rtl8225_gain[2 * 4]);
565 rtl8225_write_phy_ofdm(dev, 0x1b, rtl8225_gain[2 * 4 + 2]);
566 rtl8225_write_phy_ofdm(dev, 0x1d, rtl8225_gain[2 * 4 + 3]);
567 rtl8225_write_phy_ofdm(dev, 0x23, rtl8225_gain[2 * 4 + 1]);
568 rtl8225_write_phy_cck(dev, 0x41, rtl8225_threshold[2]);
569 }
570
571 static const u8 rtl8225z2_agc[] = {
572 0x5e, 0x5e, 0x5e, 0x5e, 0x5d, 0x5b, 0x59, 0x57, 0x55, 0x53, 0x51, 0x4f,
573 0x4d, 0x4b, 0x49, 0x47, 0x45, 0x43, 0x41, 0x3f, 0x3d, 0x3b, 0x39, 0x37,
574 0x35, 0x33, 0x31, 0x2f, 0x2d, 0x2b, 0x29, 0x27, 0x25, 0x23, 0x21, 0x1f,
575 0x1d, 0x1b, 0x19, 0x17, 0x15, 0x13, 0x11, 0x0f, 0x0d, 0x0b, 0x09, 0x07,
576 0x05, 0x03, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
577 0x01, 0x01, 0x01, 0x01, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19,
578 0x19, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x26, 0x27, 0x27, 0x28,
579 0x28, 0x29, 0x2a, 0x2a, 0x2a, 0x2b, 0x2b, 0x2b, 0x2c, 0x2c, 0x2c, 0x2d,
580 0x2d, 0x2d, 0x2d, 0x2e, 0x2e, 0x2e, 0x2e, 0x2f, 0x2f, 0x2f, 0x30, 0x30,
581 0x31, 0x31, 0x31, 0x31, 0x31, 0x31, 0x31, 0x31, 0x31, 0x31, 0x31, 0x31,
582 0x31, 0x31, 0x31, 0x31, 0x31, 0x31, 0x31, 0x31
583 };
584 static const u8 rtl8225z2_ofdm[] = {
585 0x10, 0x0d, 0x01, 0x00, 0x14, 0xfb, 0xfb, 0x60,
586 0x00, 0x60, 0x00, 0x00, 0x00, 0x5c, 0x00, 0x00,
587 0x40, 0x00, 0x40, 0x00, 0x00, 0x00, 0xa8, 0x26,
588 0x32, 0x33, 0x07, 0xa5, 0x6f, 0x55, 0xc8, 0xb3,
589 0x0a, 0xe1, 0x2C, 0x8a, 0x86, 0x83, 0x34, 0x0f,
590 0x4f, 0x24, 0x6f, 0xc2, 0x6b, 0x40, 0x80, 0x00,
591 0xc0, 0xc1, 0x58, 0xf1, 0x00, 0xe4, 0x90, 0x3e,
592 0x6d, 0x3c, 0xfb, 0x07
593 };
594
595 static const u8 rtl8225z2_tx_power_cck_ch14[] = {
596 0x36, 0x35, 0x2e, 0x1b, 0x00, 0x00, 0x00, 0x00,
597 0x30, 0x2f, 0x29, 0x15, 0x00, 0x00, 0x00, 0x00,
598 0x30, 0x2f, 0x29, 0x15, 0x00, 0x00, 0x00, 0x00,
599 0x30, 0x2f, 0x29, 0x15, 0x00, 0x00, 0x00, 0x00
600 };
601
602 static const u8 rtl8225z2_tx_power_cck[] = {
603 0x36, 0x35, 0x2e, 0x25, 0x1c, 0x12, 0x09, 0x04,
604 0x30, 0x2f, 0x29, 0x21, 0x19, 0x10, 0x08, 0x03,
605 0x2b, 0x2a, 0x25, 0x1e, 0x16, 0x0e, 0x07, 0x03,
606 0x26, 0x25, 0x21, 0x1b, 0x14, 0x0d, 0x06, 0x03
607 };
608
609 static const u8 rtl8225z2_tx_gain_cck_ofdm[] = {
610 0x00, 0x01, 0x02, 0x03, 0x04, 0x05,
611 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b,
612 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11,
613 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
614 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d,
615 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23
616 };
617
rtl8225z2_rf_set_tx_power(struct ieee80211_hw * dev,int channel)618 static void rtl8225z2_rf_set_tx_power(struct ieee80211_hw *dev, int channel)
619 {
620 struct rtl8187_priv *priv = dev->priv;
621 u8 cck_power, ofdm_power;
622 const u8 *tmp;
623 u32 reg;
624 int i;
625
626 cck_power = priv->channels[channel - 1].hw_value & 0xF;
627 ofdm_power = priv->channels[channel - 1].hw_value >> 4;
628
629 cck_power = min(cck_power, (u8)15);
630 cck_power += priv->txpwr_base & 0xF;
631 cck_power = min(cck_power, (u8)35);
632
633 if (ofdm_power > (u8)15)
634 ofdm_power = 25;
635 else
636 ofdm_power += 10;
637 ofdm_power += priv->txpwr_base >> 4;
638 ofdm_power = min(ofdm_power, (u8)35);
639
640 if (channel == 14)
641 tmp = rtl8225z2_tx_power_cck_ch14;
642 else
643 tmp = rtl8225z2_tx_power_cck;
644
645 for (i = 0; i < 8; i++)
646 rtl8225_write_phy_cck(dev, 0x44 + i, *tmp++);
647
648 rtl818x_iowrite8(priv, &priv->map->TX_GAIN_CCK,
649 rtl8225z2_tx_gain_cck_ofdm[cck_power]);
650 msleep(1);
651
652 /* anaparam2 on */
653 rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_CONFIG);
654 reg = rtl818x_ioread8(priv, &priv->map->CONFIG3);
655 rtl818x_iowrite8(priv, &priv->map->CONFIG3,
656 reg | RTL818X_CONFIG3_ANAPARAM_WRITE);
657 rtl818x_iowrite32(priv, &priv->map->ANAPARAM2,
658 RTL8187_RTL8225_ANAPARAM2_ON);
659 rtl818x_iowrite8(priv, &priv->map->CONFIG3,
660 reg & ~RTL818X_CONFIG3_ANAPARAM_WRITE);
661 rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_NORMAL);
662
663 rtl8225_write_phy_ofdm(dev, 2, 0x42);
664 rtl8225_write_phy_ofdm(dev, 5, 0x00);
665 rtl8225_write_phy_ofdm(dev, 6, 0x40);
666 rtl8225_write_phy_ofdm(dev, 7, 0x00);
667 rtl8225_write_phy_ofdm(dev, 8, 0x40);
668
669 rtl818x_iowrite8(priv, &priv->map->TX_GAIN_OFDM,
670 rtl8225z2_tx_gain_cck_ofdm[ofdm_power]);
671 msleep(1);
672 }
673
rtl8225z2_b_rf_set_tx_power(struct ieee80211_hw * dev,int channel)674 static void rtl8225z2_b_rf_set_tx_power(struct ieee80211_hw *dev, int channel)
675 {
676 struct rtl8187_priv *priv = dev->priv;
677 u8 cck_power, ofdm_power;
678 const u8 *tmp;
679 int i;
680
681 cck_power = priv->channels[channel - 1].hw_value & 0xF;
682 ofdm_power = priv->channels[channel - 1].hw_value >> 4;
683
684 cck_power += (priv->hw_rev == RTL8187BvB) ? 0 : 7;
685 cck_power += priv->txpwr_base & 0xF;
686 cck_power = min(cck_power, (u8)35);
687
688 if (ofdm_power > 15)
689 ofdm_power = (priv->hw_rev == RTL8187BvB) ? 17 : 25;
690 else
691 ofdm_power += (priv->hw_rev == RTL8187BvB) ? 2 : 10;
692 ofdm_power += (priv->txpwr_base >> 4) & 0xF;
693 ofdm_power = min(ofdm_power, (u8)35);
694
695 if (channel == 14)
696 tmp = rtl8225z2_tx_power_cck_ch14;
697 else
698 tmp = rtl8225z2_tx_power_cck;
699
700 if (priv->hw_rev == RTL8187BvB) {
701 if (cck_power <= 6)
702 ; /* do nothing */
703 else if (cck_power <= 11)
704 tmp += 8;
705 else
706 tmp += 16;
707 } else {
708 if (cck_power <= 5)
709 ; /* do nothing */
710 else if (cck_power <= 11)
711 tmp += 8;
712 else if (cck_power <= 17)
713 tmp += 16;
714 else
715 tmp += 24;
716 }
717
718 for (i = 0; i < 8; i++)
719 rtl8225_write_phy_cck(dev, 0x44 + i, *tmp++);
720
721 rtl818x_iowrite8(priv, &priv->map->TX_GAIN_CCK,
722 rtl8225z2_tx_gain_cck_ofdm[cck_power] << 1);
723 msleep(1);
724
725 rtl818x_iowrite8(priv, &priv->map->TX_GAIN_OFDM,
726 rtl8225z2_tx_gain_cck_ofdm[ofdm_power] << 1);
727 if (priv->hw_rev == RTL8187BvB) {
728 if (ofdm_power <= 11) {
729 rtl8225_write_phy_ofdm(dev, 0x87, 0x60);
730 rtl8225_write_phy_ofdm(dev, 0x89, 0x60);
731 } else {
732 rtl8225_write_phy_ofdm(dev, 0x87, 0x5c);
733 rtl8225_write_phy_ofdm(dev, 0x89, 0x5c);
734 }
735 } else {
736 if (ofdm_power <= 11) {
737 rtl8225_write_phy_ofdm(dev, 0x87, 0x5c);
738 rtl8225_write_phy_ofdm(dev, 0x89, 0x5c);
739 } else if (ofdm_power <= 17) {
740 rtl8225_write_phy_ofdm(dev, 0x87, 0x54);
741 rtl8225_write_phy_ofdm(dev, 0x89, 0x54);
742 } else {
743 rtl8225_write_phy_ofdm(dev, 0x87, 0x50);
744 rtl8225_write_phy_ofdm(dev, 0x89, 0x50);
745 }
746 }
747 msleep(1);
748 }
749
750 static const u16 rtl8225z2_rxgain[] = {
751 0x0400, 0x0401, 0x0402, 0x0403, 0x0404, 0x0405, 0x0408, 0x0409,
752 0x040a, 0x040b, 0x0502, 0x0503, 0x0504, 0x0505, 0x0540, 0x0541,
753 0x0542, 0x0543, 0x0544, 0x0545, 0x0580, 0x0581, 0x0582, 0x0583,
754 0x0584, 0x0585, 0x0588, 0x0589, 0x058a, 0x058b, 0x0643, 0x0644,
755 0x0645, 0x0680, 0x0681, 0x0682, 0x0683, 0x0684, 0x0685, 0x0688,
756 0x0689, 0x068a, 0x068b, 0x068c, 0x0742, 0x0743, 0x0744, 0x0745,
757 0x0780, 0x0781, 0x0782, 0x0783, 0x0784, 0x0785, 0x0788, 0x0789,
758 0x078a, 0x078b, 0x078c, 0x078d, 0x0790, 0x0791, 0x0792, 0x0793,
759 0x0794, 0x0795, 0x0798, 0x0799, 0x079a, 0x079b, 0x079c, 0x079d,
760 0x07a0, 0x07a1, 0x07a2, 0x07a3, 0x07a4, 0x07a5, 0x07a8, 0x07a9,
761 0x03aa, 0x03ab, 0x03ac, 0x03ad, 0x03b0, 0x03b1, 0x03b2, 0x03b3,
762 0x03b4, 0x03b5, 0x03b8, 0x03b9, 0x03ba, 0x03bb, 0x03bb
763 };
764
765 static const u8 rtl8225z2_gain_bg[] = {
766 0x23, 0x15, 0xa5, /* -82-1dBm */
767 0x23, 0x15, 0xb5, /* -82-2dBm */
768 0x23, 0x15, 0xc5, /* -82-3dBm */
769 0x33, 0x15, 0xc5, /* -78dBm */
770 0x43, 0x15, 0xc5, /* -74dBm */
771 0x53, 0x15, 0xc5, /* -70dBm */
772 0x63, 0x15, 0xc5 /* -66dBm */
773 };
774
rtl8225z2_rf_init(struct ieee80211_hw * dev)775 static void rtl8225z2_rf_init(struct ieee80211_hw *dev)
776 {
777 struct rtl8187_priv *priv = dev->priv;
778 int i;
779
780 rtl8225_write(dev, 0x0, 0x2BF);
781 rtl8225_write(dev, 0x1, 0xEE0);
782 rtl8225_write(dev, 0x2, 0x44D);
783 rtl8225_write(dev, 0x3, 0x441);
784 rtl8225_write(dev, 0x4, 0x8C3);
785 rtl8225_write(dev, 0x5, 0xC72);
786 rtl8225_write(dev, 0x6, 0x0E6);
787 rtl8225_write(dev, 0x7, 0x82A);
788 rtl8225_write(dev, 0x8, 0x03F);
789 rtl8225_write(dev, 0x9, 0x335);
790 rtl8225_write(dev, 0xa, 0x9D4);
791 rtl8225_write(dev, 0xb, 0x7BB);
792 rtl8225_write(dev, 0xc, 0x850);
793 rtl8225_write(dev, 0xd, 0xCDF);
794 rtl8225_write(dev, 0xe, 0x02B);
795 rtl8225_write(dev, 0xf, 0x114);
796 msleep(100);
797
798 rtl8225_write(dev, 0x0, 0x1B7);
799
800 for (i = 0; i < ARRAY_SIZE(rtl8225z2_rxgain); i++) {
801 rtl8225_write(dev, 0x1, i + 1);
802 rtl8225_write(dev, 0x2, rtl8225z2_rxgain[i]);
803 }
804
805 rtl8225_write(dev, 0x3, 0x080);
806 rtl8225_write(dev, 0x5, 0x004);
807 rtl8225_write(dev, 0x0, 0x0B7);
808 rtl8225_write(dev, 0x2, 0xc4D);
809
810 msleep(200);
811 rtl8225_write(dev, 0x2, 0x44D);
812 msleep(100);
813
814 if (!(rtl8225_read(dev, 6) & (1 << 7))) {
815 rtl8225_write(dev, 0x02, 0x0C4D);
816 msleep(200);
817 rtl8225_write(dev, 0x02, 0x044D);
818 msleep(100);
819 if (!(rtl8225_read(dev, 6) & (1 << 7)))
820 wiphy_warn(dev->wiphy, "RF Calibration Failed! %x\n",
821 rtl8225_read(dev, 6));
822 }
823
824 msleep(200);
825
826 rtl8225_write(dev, 0x0, 0x2BF);
827
828 for (i = 0; i < ARRAY_SIZE(rtl8225_agc); i++) {
829 rtl8225_write_phy_ofdm(dev, 0xB, rtl8225_agc[i]);
830 rtl8225_write_phy_ofdm(dev, 0xA, 0x80 + i);
831 }
832
833 msleep(1);
834
835 rtl8225_write_phy_ofdm(dev, 0x00, 0x01);
836 rtl8225_write_phy_ofdm(dev, 0x01, 0x02);
837 rtl8225_write_phy_ofdm(dev, 0x02, 0x42);
838 rtl8225_write_phy_ofdm(dev, 0x03, 0x00);
839 rtl8225_write_phy_ofdm(dev, 0x04, 0x00);
840 rtl8225_write_phy_ofdm(dev, 0x05, 0x00);
841 rtl8225_write_phy_ofdm(dev, 0x06, 0x40);
842 rtl8225_write_phy_ofdm(dev, 0x07, 0x00);
843 rtl8225_write_phy_ofdm(dev, 0x08, 0x40);
844 rtl8225_write_phy_ofdm(dev, 0x09, 0xfe);
845 rtl8225_write_phy_ofdm(dev, 0x0a, 0x08);
846 rtl8225_write_phy_ofdm(dev, 0x0b, 0x80);
847 rtl8225_write_phy_ofdm(dev, 0x0c, 0x01);
848 rtl8225_write_phy_ofdm(dev, 0x0d, 0x43);
849 rtl8225_write_phy_ofdm(dev, 0x0e, 0xd3);
850 rtl8225_write_phy_ofdm(dev, 0x0f, 0x38);
851 rtl8225_write_phy_ofdm(dev, 0x10, 0x84);
852 rtl8225_write_phy_ofdm(dev, 0x11, 0x07);
853 rtl8225_write_phy_ofdm(dev, 0x12, 0x20);
854 rtl8225_write_phy_ofdm(dev, 0x13, 0x20);
855 rtl8225_write_phy_ofdm(dev, 0x14, 0x00);
856 rtl8225_write_phy_ofdm(dev, 0x15, 0x40);
857 rtl8225_write_phy_ofdm(dev, 0x16, 0x00);
858 rtl8225_write_phy_ofdm(dev, 0x17, 0x40);
859 rtl8225_write_phy_ofdm(dev, 0x18, 0xef);
860 rtl8225_write_phy_ofdm(dev, 0x19, 0x19);
861 rtl8225_write_phy_ofdm(dev, 0x1a, 0x20);
862 rtl8225_write_phy_ofdm(dev, 0x1b, 0x15);
863 rtl8225_write_phy_ofdm(dev, 0x1c, 0x04);
864 rtl8225_write_phy_ofdm(dev, 0x1d, 0xc5);
865 rtl8225_write_phy_ofdm(dev, 0x1e, 0x95);
866 rtl8225_write_phy_ofdm(dev, 0x1f, 0x75);
867 rtl8225_write_phy_ofdm(dev, 0x20, 0x1f);
868 rtl8225_write_phy_ofdm(dev, 0x21, 0x17);
869 rtl8225_write_phy_ofdm(dev, 0x22, 0x16);
870 rtl8225_write_phy_ofdm(dev, 0x23, 0x80);
871 rtl8225_write_phy_ofdm(dev, 0x24, 0x46);
872 rtl8225_write_phy_ofdm(dev, 0x25, 0x00);
873 rtl8225_write_phy_ofdm(dev, 0x26, 0x90);
874 rtl8225_write_phy_ofdm(dev, 0x27, 0x88);
875
876 rtl8225_write_phy_ofdm(dev, 0x0b, rtl8225z2_gain_bg[4 * 3]);
877 rtl8225_write_phy_ofdm(dev, 0x1b, rtl8225z2_gain_bg[4 * 3 + 1]);
878 rtl8225_write_phy_ofdm(dev, 0x1d, rtl8225z2_gain_bg[4 * 3 + 2]);
879 rtl8225_write_phy_ofdm(dev, 0x21, 0x37);
880
881 rtl8225_write_phy_cck(dev, 0x00, 0x98);
882 rtl8225_write_phy_cck(dev, 0x03, 0x20);
883 rtl8225_write_phy_cck(dev, 0x04, 0x7e);
884 rtl8225_write_phy_cck(dev, 0x05, 0x12);
885 rtl8225_write_phy_cck(dev, 0x06, 0xfc);
886 rtl8225_write_phy_cck(dev, 0x07, 0x78);
887 rtl8225_write_phy_cck(dev, 0x08, 0x2e);
888 rtl8225_write_phy_cck(dev, 0x10, 0x9b);
889 rtl8225_write_phy_cck(dev, 0x11, 0x88);
890 rtl8225_write_phy_cck(dev, 0x12, 0x47);
891 rtl8225_write_phy_cck(dev, 0x13, 0xd0);
892 rtl8225_write_phy_cck(dev, 0x19, 0x00);
893 rtl8225_write_phy_cck(dev, 0x1a, 0xa0);
894 rtl8225_write_phy_cck(dev, 0x1b, 0x08);
895 rtl8225_write_phy_cck(dev, 0x40, 0x86);
896 rtl8225_write_phy_cck(dev, 0x41, 0x8d);
897 rtl8225_write_phy_cck(dev, 0x42, 0x15);
898 rtl8225_write_phy_cck(dev, 0x43, 0x18);
899 rtl8225_write_phy_cck(dev, 0x44, 0x36);
900 rtl8225_write_phy_cck(dev, 0x45, 0x35);
901 rtl8225_write_phy_cck(dev, 0x46, 0x2e);
902 rtl8225_write_phy_cck(dev, 0x47, 0x25);
903 rtl8225_write_phy_cck(dev, 0x48, 0x1c);
904 rtl8225_write_phy_cck(dev, 0x49, 0x12);
905 rtl8225_write_phy_cck(dev, 0x4a, 0x09);
906 rtl8225_write_phy_cck(dev, 0x4b, 0x04);
907 rtl8225_write_phy_cck(dev, 0x4c, 0x05);
908
909 rtl818x_iowrite8(priv, (u8 *)0xFF5B, 0x0D); msleep(1);
910
911 rtl8225z2_rf_set_tx_power(dev, 1);
912
913 /* RX antenna default to A */
914 rtl8225_write_phy_cck(dev, 0x10, 0x9b); /* B: 0xDB */
915 rtl8225_write_phy_ofdm(dev, 0x26, 0x90); /* B: 0x10 */
916
917 rtl818x_iowrite8(priv, &priv->map->TX_ANTENNA, 0x03); /* B: 0x00 */
918 msleep(1);
919 rtl818x_iowrite32(priv, (__le32 *)0xFF94, 0x3dc00002);
920 }
921
rtl8225z2_b_rf_init(struct ieee80211_hw * dev)922 static void rtl8225z2_b_rf_init(struct ieee80211_hw *dev)
923 {
924 struct rtl8187_priv *priv = dev->priv;
925 int i;
926
927 rtl8225_write(dev, 0x0, 0x0B7);
928 rtl8225_write(dev, 0x1, 0xEE0);
929 rtl8225_write(dev, 0x2, 0x44D);
930 rtl8225_write(dev, 0x3, 0x441);
931 rtl8225_write(dev, 0x4, 0x8C3);
932 rtl8225_write(dev, 0x5, 0xC72);
933 rtl8225_write(dev, 0x6, 0x0E6);
934 rtl8225_write(dev, 0x7, 0x82A);
935 rtl8225_write(dev, 0x8, 0x03F);
936 rtl8225_write(dev, 0x9, 0x335);
937 rtl8225_write(dev, 0xa, 0x9D4);
938 rtl8225_write(dev, 0xb, 0x7BB);
939 rtl8225_write(dev, 0xc, 0x850);
940 rtl8225_write(dev, 0xd, 0xCDF);
941 rtl8225_write(dev, 0xe, 0x02B);
942 rtl8225_write(dev, 0xf, 0x114);
943
944 rtl8225_write(dev, 0x0, 0x1B7);
945
946 for (i = 0; i < ARRAY_SIZE(rtl8225z2_rxgain); i++) {
947 rtl8225_write(dev, 0x1, i + 1);
948 rtl8225_write(dev, 0x2, rtl8225z2_rxgain[i]);
949 }
950
951 rtl8225_write(dev, 0x3, 0x080);
952 rtl8225_write(dev, 0x5, 0x004);
953 rtl8225_write(dev, 0x0, 0x0B7);
954
955 rtl8225_write(dev, 0x2, 0xC4D);
956
957 rtl8225_write(dev, 0x2, 0x44D);
958 rtl8225_write(dev, 0x0, 0x2BF);
959
960 rtl818x_iowrite8(priv, &priv->map->TX_GAIN_CCK, 0x03);
961 rtl818x_iowrite8(priv, &priv->map->TX_GAIN_OFDM, 0x07);
962 rtl818x_iowrite8(priv, &priv->map->TX_ANTENNA, 0x03);
963
964 rtl8225_write_phy_ofdm(dev, 0x80, 0x12);
965 for (i = 0; i < ARRAY_SIZE(rtl8225z2_agc); i++) {
966 rtl8225_write_phy_ofdm(dev, 0xF, rtl8225z2_agc[i]);
967 rtl8225_write_phy_ofdm(dev, 0xE, 0x80 + i);
968 rtl8225_write_phy_ofdm(dev, 0xE, 0);
969 }
970 rtl8225_write_phy_ofdm(dev, 0x80, 0x10);
971
972 for (i = 0; i < ARRAY_SIZE(rtl8225z2_ofdm); i++)
973 rtl8225_write_phy_ofdm(dev, i, rtl8225z2_ofdm[i]);
974
975 rtl8225_write_phy_ofdm(dev, 0x97, 0x46);
976 rtl8225_write_phy_ofdm(dev, 0xa4, 0xb6);
977 rtl8225_write_phy_ofdm(dev, 0x85, 0xfc);
978 rtl8225_write_phy_cck(dev, 0xc1, 0x88);
979 }
980
rtl8225_rf_stop(struct ieee80211_hw * dev)981 static void rtl8225_rf_stop(struct ieee80211_hw *dev)
982 {
983 rtl8225_write(dev, 0x4, 0x1f);
984 }
985
rtl8225_rf_set_channel(struct ieee80211_hw * dev,struct ieee80211_conf * conf)986 static void rtl8225_rf_set_channel(struct ieee80211_hw *dev,
987 struct ieee80211_conf *conf)
988 {
989 struct rtl8187_priv *priv = dev->priv;
990 int chan =
991 ieee80211_frequency_to_channel(conf->chandef.chan->center_freq);
992
993 if (priv->rf->init == rtl8225_rf_init)
994 rtl8225_rf_set_tx_power(dev, chan);
995 else if (priv->rf->init == rtl8225z2_rf_init)
996 rtl8225z2_rf_set_tx_power(dev, chan);
997 else
998 rtl8225z2_b_rf_set_tx_power(dev, chan);
999
1000 rtl8225_write(dev, 0x7, rtl8225_chan[chan - 1]);
1001 msleep(10);
1002 }
1003
1004 static const struct rtl818x_rf_ops rtl8225_ops = {
1005 .name = "rtl8225",
1006 .init = rtl8225_rf_init,
1007 .stop = rtl8225_rf_stop,
1008 .set_chan = rtl8225_rf_set_channel
1009 };
1010
1011 static const struct rtl818x_rf_ops rtl8225z2_ops = {
1012 .name = "rtl8225z2",
1013 .init = rtl8225z2_rf_init,
1014 .stop = rtl8225_rf_stop,
1015 .set_chan = rtl8225_rf_set_channel
1016 };
1017
1018 static const struct rtl818x_rf_ops rtl8225z2_b_ops = {
1019 .name = "rtl8225z2",
1020 .init = rtl8225z2_b_rf_init,
1021 .stop = rtl8225_rf_stop,
1022 .set_chan = rtl8225_rf_set_channel
1023 };
1024
rtl8187_detect_rf(struct ieee80211_hw * dev)1025 const struct rtl818x_rf_ops * rtl8187_detect_rf(struct ieee80211_hw *dev)
1026 {
1027 u16 reg8, reg9;
1028 struct rtl8187_priv *priv = dev->priv;
1029
1030 if (!priv->is_rtl8187b) {
1031 rtl8225_write(dev, 0, 0x1B7);
1032
1033 reg8 = rtl8225_read(dev, 8);
1034 reg9 = rtl8225_read(dev, 9);
1035
1036 rtl8225_write(dev, 0, 0x0B7);
1037
1038 if (reg8 != 0x588 || reg9 != 0x700)
1039 return &rtl8225_ops;
1040
1041 return &rtl8225z2_ops;
1042 } else
1043 return &rtl8225z2_b_ops;
1044 }
1045