1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * RTL8XXXU mac80211 USB driver - 8188c/8188r/8192c specific subdriver
4 *
5 * Copyright (c) 2014 - 2017 Jes Sorensen <Jes.Sorensen@gmail.com>
6 *
7 * Portions, notably calibration code:
8 * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
9 *
10 * This driver was written as a replacement for the vendor provided
11 * rtl8723au driver. As the Realtek 8xxx chips are very similar in
12 * their programming interface, I have started adding support for
13 * additional 8xxx chips like the 8192cu, 8188cus, etc.
14 */
15
16#include <linux/init.h>
17#include <linux/kernel.h>
18#include <linux/sched.h>
19#include <linux/errno.h>
20#include <linux/slab.h>
21#include <linux/module.h>
22#include <linux/spinlock.h>
23#include <linux/list.h>
24#include <linux/usb.h>
25#include <linux/netdevice.h>
26#include <linux/etherdevice.h>
27#include <linux/ethtool.h>
28#include <linux/wireless.h>
29#include <linux/firmware.h>
30#include <linux/moduleparam.h>
31#include <net/mac80211.h>
32#include "rtl8xxxu.h"
33#include "rtl8xxxu_regs.h"
34
35#ifdef CONFIG_RTL8XXXU_UNTESTED
36static struct rtl8xxxu_power_base rtl8192c_power_base = {
37	.reg_0e00 = 0x07090c0c,
38	.reg_0e04 = 0x01020405,
39	.reg_0e08 = 0x00000000,
40	.reg_086c = 0x00000000,
41
42	.reg_0e10 = 0x0b0c0c0e,
43	.reg_0e14 = 0x01030506,
44	.reg_0e18 = 0x0b0c0d0e,
45	.reg_0e1c = 0x01030509,
46
47	.reg_0830 = 0x07090c0c,
48	.reg_0834 = 0x01020405,
49	.reg_0838 = 0x00000000,
50	.reg_086c_2 = 0x00000000,
51
52	.reg_083c = 0x0b0c0d0e,
53	.reg_0848 = 0x01030509,
54	.reg_084c = 0x0b0c0d0e,
55	.reg_0868 = 0x01030509,
56};
57
58static struct rtl8xxxu_power_base rtl8188r_power_base = {
59	.reg_0e00 = 0x06080808,
60	.reg_0e04 = 0x00040406,
61	.reg_0e08 = 0x00000000,
62	.reg_086c = 0x00000000,
63
64	.reg_0e10 = 0x04060608,
65	.reg_0e14 = 0x00020204,
66	.reg_0e18 = 0x04060608,
67	.reg_0e1c = 0x00020204,
68
69	.reg_0830 = 0x06080808,
70	.reg_0834 = 0x00040406,
71	.reg_0838 = 0x00000000,
72	.reg_086c_2 = 0x00000000,
73
74	.reg_083c = 0x04060608,
75	.reg_0848 = 0x00020204,
76	.reg_084c = 0x04060608,
77	.reg_0868 = 0x00020204,
78};
79
80static const struct rtl8xxxu_rfregval rtl8192cu_radioa_2t_init_table[] = {
81	{0x00, 0x00030159}, {0x01, 0x00031284},
82	{0x02, 0x00098000}, {0x03, 0x00018c63},
83	{0x04, 0x000210e7}, {0x09, 0x0002044f},
84	{0x0a, 0x0001adb1}, {0x0b, 0x00054867},
85	{0x0c, 0x0008992e}, {0x0d, 0x0000e52c},
86	{0x0e, 0x00039ce7}, {0x0f, 0x00000451},
87	{0x19, 0x00000000}, {0x1a, 0x00010255},
88	{0x1b, 0x00060a00}, {0x1c, 0x000fc378},
89	{0x1d, 0x000a1250}, {0x1e, 0x0004445f},
90	{0x1f, 0x00080001}, {0x20, 0x0000b614},
91	{0x21, 0x0006c000}, {0x22, 0x00000000},
92	{0x23, 0x00001558}, {0x24, 0x00000060},
93	{0x25, 0x00000483}, {0x26, 0x0004f000},
94	{0x27, 0x000ec7d9}, {0x28, 0x000577c0},
95	{0x29, 0x00004783}, {0x2a, 0x00000001},
96	{0x2b, 0x00021334}, {0x2a, 0x00000000},
97	{0x2b, 0x00000054}, {0x2a, 0x00000001},
98	{0x2b, 0x00000808}, {0x2b, 0x00053333},
99	{0x2c, 0x0000000c}, {0x2a, 0x00000002},
100	{0x2b, 0x00000808}, {0x2b, 0x0005b333},
101	{0x2c, 0x0000000d}, {0x2a, 0x00000003},
102	{0x2b, 0x00000808}, {0x2b, 0x00063333},
103	{0x2c, 0x0000000d}, {0x2a, 0x00000004},
104	{0x2b, 0x00000808}, {0x2b, 0x0006b333},
105	{0x2c, 0x0000000d}, {0x2a, 0x00000005},
106	{0x2b, 0x00000808}, {0x2b, 0x00073333},
107	{0x2c, 0x0000000d}, {0x2a, 0x00000006},
108	{0x2b, 0x00000709}, {0x2b, 0x0005b333},
109	{0x2c, 0x0000000d}, {0x2a, 0x00000007},
110	{0x2b, 0x00000709}, {0x2b, 0x00063333},
111	{0x2c, 0x0000000d}, {0x2a, 0x00000008},
112	{0x2b, 0x0000060a}, {0x2b, 0x0004b333},
113	{0x2c, 0x0000000d}, {0x2a, 0x00000009},
114	{0x2b, 0x0000060a}, {0x2b, 0x00053333},
115	{0x2c, 0x0000000d}, {0x2a, 0x0000000a},
116	{0x2b, 0x0000060a}, {0x2b, 0x0005b333},
117	{0x2c, 0x0000000d}, {0x2a, 0x0000000b},
118	{0x2b, 0x0000060a}, {0x2b, 0x00063333},
119	{0x2c, 0x0000000d}, {0x2a, 0x0000000c},
120	{0x2b, 0x0000060a}, {0x2b, 0x0006b333},
121	{0x2c, 0x0000000d}, {0x2a, 0x0000000d},
122	{0x2b, 0x0000060a}, {0x2b, 0x00073333},
123	{0x2c, 0x0000000d}, {0x2a, 0x0000000e},
124	{0x2b, 0x0000050b}, {0x2b, 0x00066666},
125	{0x2c, 0x0000001a}, {0x2a, 0x000e0000},
126	{0x10, 0x0004000f}, {0x11, 0x000e31fc},
127	{0x10, 0x0006000f}, {0x11, 0x000ff9f8},
128	{0x10, 0x0002000f}, {0x11, 0x000203f9},
129	{0x10, 0x0003000f}, {0x11, 0x000ff500},
130	{0x10, 0x00000000}, {0x11, 0x00000000},
131	{0x10, 0x0008000f}, {0x11, 0x0003f100},
132	{0x10, 0x0009000f}, {0x11, 0x00023100},
133	{0x12, 0x00032000}, {0x12, 0x00071000},
134	{0x12, 0x000b0000}, {0x12, 0x000fc000},
135	{0x13, 0x000287b3}, {0x13, 0x000244b7},
136	{0x13, 0x000204ab}, {0x13, 0x0001c49f},
137	{0x13, 0x00018493}, {0x13, 0x0001429b},
138	{0x13, 0x00010299}, {0x13, 0x0000c29c},
139	{0x13, 0x000081a0}, {0x13, 0x000040ac},
140	{0x13, 0x00000020}, {0x14, 0x0001944c},
141	{0x14, 0x00059444}, {0x14, 0x0009944c},
142	{0x14, 0x000d9444}, {0x15, 0x0000f424},
143	{0x15, 0x0004f424}, {0x15, 0x0008f424},
144	{0x15, 0x000cf424}, {0x16, 0x000e0330},
145	{0x16, 0x000a0330}, {0x16, 0x00060330},
146	{0x16, 0x00020330}, {0x00, 0x00010159},
147	{0x18, 0x0000f401}, {0xfe, 0x00000000},
148	{0xfe, 0x00000000}, {0x1f, 0x00080003},
149	{0xfe, 0x00000000}, {0xfe, 0x00000000},
150	{0x1e, 0x00044457}, {0x1f, 0x00080000},
151	{0x00, 0x00030159},
152	{0xff, 0xffffffff}
153};
154
155static const struct rtl8xxxu_rfregval rtl8192cu_radiob_2t_init_table[] = {
156	{0x00, 0x00030159}, {0x01, 0x00031284},
157	{0x02, 0x00098000}, {0x03, 0x00018c63},
158	{0x04, 0x000210e7}, {0x09, 0x0002044f},
159	{0x0a, 0x0001adb1}, {0x0b, 0x00054867},
160	{0x0c, 0x0008992e}, {0x0d, 0x0000e52c},
161	{0x0e, 0x00039ce7}, {0x0f, 0x00000451},
162	{0x12, 0x00032000}, {0x12, 0x00071000},
163	{0x12, 0x000b0000}, {0x12, 0x000fc000},
164	{0x13, 0x000287af}, {0x13, 0x000244b7},
165	{0x13, 0x000204ab}, {0x13, 0x0001c49f},
166	{0x13, 0x00018493}, {0x13, 0x00014297},
167	{0x13, 0x00010295}, {0x13, 0x0000c298},
168	{0x13, 0x0000819c}, {0x13, 0x000040a8},
169	{0x13, 0x0000001c}, {0x14, 0x0001944c},
170	{0x14, 0x00059444}, {0x14, 0x0009944c},
171	{0x14, 0x000d9444}, {0x15, 0x0000f424},
172	{0x15, 0x0004f424}, {0x15, 0x0008f424},
173	{0x15, 0x000cf424}, {0x16, 0x000e0330},
174	{0x16, 0x000a0330}, {0x16, 0x00060330},
175	{0x16, 0x00020330},
176	{0xff, 0xffffffff}
177};
178
179static const struct rtl8xxxu_rfregval rtl8192cu_radioa_1t_init_table[] = {
180	{0x00, 0x00030159}, {0x01, 0x00031284},
181	{0x02, 0x00098000}, {0x03, 0x00018c63},
182	{0x04, 0x000210e7}, {0x09, 0x0002044f},
183	{0x0a, 0x0001adb1}, {0x0b, 0x00054867},
184	{0x0c, 0x0008992e}, {0x0d, 0x0000e52c},
185	{0x0e, 0x00039ce7}, {0x0f, 0x00000451},
186	{0x19, 0x00000000}, {0x1a, 0x00010255},
187	{0x1b, 0x00060a00}, {0x1c, 0x000fc378},
188	{0x1d, 0x000a1250}, {0x1e, 0x0004445f},
189	{0x1f, 0x00080001}, {0x20, 0x0000b614},
190	{0x21, 0x0006c000}, {0x22, 0x00000000},
191	{0x23, 0x00001558}, {0x24, 0x00000060},
192	{0x25, 0x00000483}, {0x26, 0x0004f000},
193	{0x27, 0x000ec7d9}, {0x28, 0x000577c0},
194	{0x29, 0x00004783}, {0x2a, 0x00000001},
195	{0x2b, 0x00021334}, {0x2a, 0x00000000},
196	{0x2b, 0x00000054}, {0x2a, 0x00000001},
197	{0x2b, 0x00000808}, {0x2b, 0x00053333},
198	{0x2c, 0x0000000c}, {0x2a, 0x00000002},
199	{0x2b, 0x00000808}, {0x2b, 0x0005b333},
200	{0x2c, 0x0000000d}, {0x2a, 0x00000003},
201	{0x2b, 0x00000808}, {0x2b, 0x00063333},
202	{0x2c, 0x0000000d}, {0x2a, 0x00000004},
203	{0x2b, 0x00000808}, {0x2b, 0x0006b333},
204	{0x2c, 0x0000000d}, {0x2a, 0x00000005},
205	{0x2b, 0x00000808}, {0x2b, 0x00073333},
206	{0x2c, 0x0000000d}, {0x2a, 0x00000006},
207	{0x2b, 0x00000709}, {0x2b, 0x0005b333},
208	{0x2c, 0x0000000d}, {0x2a, 0x00000007},
209	{0x2b, 0x00000709}, {0x2b, 0x00063333},
210	{0x2c, 0x0000000d}, {0x2a, 0x00000008},
211	{0x2b, 0x0000060a}, {0x2b, 0x0004b333},
212	{0x2c, 0x0000000d}, {0x2a, 0x00000009},
213	{0x2b, 0x0000060a}, {0x2b, 0x00053333},
214	{0x2c, 0x0000000d}, {0x2a, 0x0000000a},
215	{0x2b, 0x0000060a}, {0x2b, 0x0005b333},
216	{0x2c, 0x0000000d}, {0x2a, 0x0000000b},
217	{0x2b, 0x0000060a}, {0x2b, 0x00063333},
218	{0x2c, 0x0000000d}, {0x2a, 0x0000000c},
219	{0x2b, 0x0000060a}, {0x2b, 0x0006b333},
220	{0x2c, 0x0000000d}, {0x2a, 0x0000000d},
221	{0x2b, 0x0000060a}, {0x2b, 0x00073333},
222	{0x2c, 0x0000000d}, {0x2a, 0x0000000e},
223	{0x2b, 0x0000050b}, {0x2b, 0x00066666},
224	{0x2c, 0x0000001a}, {0x2a, 0x000e0000},
225	{0x10, 0x0004000f}, {0x11, 0x000e31fc},
226	{0x10, 0x0006000f}, {0x11, 0x000ff9f8},
227	{0x10, 0x0002000f}, {0x11, 0x000203f9},
228	{0x10, 0x0003000f}, {0x11, 0x000ff500},
229	{0x10, 0x00000000}, {0x11, 0x00000000},
230	{0x10, 0x0008000f}, {0x11, 0x0003f100},
231	{0x10, 0x0009000f}, {0x11, 0x00023100},
232	{0x12, 0x00032000}, {0x12, 0x00071000},
233	{0x12, 0x000b0000}, {0x12, 0x000fc000},
234	{0x13, 0x000287b3}, {0x13, 0x000244b7},
235	{0x13, 0x000204ab}, {0x13, 0x0001c49f},
236	{0x13, 0x00018493}, {0x13, 0x0001429b},
237	{0x13, 0x00010299}, {0x13, 0x0000c29c},
238	{0x13, 0x000081a0}, {0x13, 0x000040ac},
239	{0x13, 0x00000020}, {0x14, 0x0001944c},
240	{0x14, 0x00059444}, {0x14, 0x0009944c},
241	{0x14, 0x000d9444}, {0x15, 0x0000f405},
242	{0x15, 0x0004f405}, {0x15, 0x0008f405},
243	{0x15, 0x000cf405}, {0x16, 0x000e0330},
244	{0x16, 0x000a0330}, {0x16, 0x00060330},
245	{0x16, 0x00020330}, {0x00, 0x00010159},
246	{0x18, 0x0000f401}, {0xfe, 0x00000000},
247	{0xfe, 0x00000000}, {0x1f, 0x00080003},
248	{0xfe, 0x00000000}, {0xfe, 0x00000000},
249	{0x1e, 0x00044457}, {0x1f, 0x00080000},
250	{0x00, 0x00030159},
251	{0xff, 0xffffffff}
252};
253
254static const struct rtl8xxxu_rfregval rtl8188ru_radioa_1t_highpa_table[] = {
255	{0x00, 0x00030159}, {0x01, 0x00031284},
256	{0x02, 0x00098000}, {0x03, 0x00018c63},
257	{0x04, 0x000210e7}, {0x09, 0x0002044f},
258	{0x0a, 0x0001adb0}, {0x0b, 0x00054867},
259	{0x0c, 0x0008992e}, {0x0d, 0x0000e529},
260	{0x0e, 0x00039ce7}, {0x0f, 0x00000451},
261	{0x19, 0x00000000}, {0x1a, 0x00000255},
262	{0x1b, 0x00060a00}, {0x1c, 0x000fc378},
263	{0x1d, 0x000a1250}, {0x1e, 0x0004445f},
264	{0x1f, 0x00080001}, {0x20, 0x0000b614},
265	{0x21, 0x0006c000}, {0x22, 0x0000083c},
266	{0x23, 0x00001558}, {0x24, 0x00000060},
267	{0x25, 0x00000483}, {0x26, 0x0004f000},
268	{0x27, 0x000ec7d9}, {0x28, 0x000977c0},
269	{0x29, 0x00004783}, {0x2a, 0x00000001},
270	{0x2b, 0x00021334}, {0x2a, 0x00000000},
271	{0x2b, 0x00000054}, {0x2a, 0x00000001},
272	{0x2b, 0x00000808}, {0x2b, 0x00053333},
273	{0x2c, 0x0000000c}, {0x2a, 0x00000002},
274	{0x2b, 0x00000808}, {0x2b, 0x0005b333},
275	{0x2c, 0x0000000d}, {0x2a, 0x00000003},
276	{0x2b, 0x00000808}, {0x2b, 0x00063333},
277	{0x2c, 0x0000000d}, {0x2a, 0x00000004},
278	{0x2b, 0x00000808}, {0x2b, 0x0006b333},
279	{0x2c, 0x0000000d}, {0x2a, 0x00000005},
280	{0x2b, 0x00000808}, {0x2b, 0x00073333},
281	{0x2c, 0x0000000d}, {0x2a, 0x00000006},
282	{0x2b, 0x00000709}, {0x2b, 0x0005b333},
283	{0x2c, 0x0000000d}, {0x2a, 0x00000007},
284	{0x2b, 0x00000709}, {0x2b, 0x00063333},
285	{0x2c, 0x0000000d}, {0x2a, 0x00000008},
286	{0x2b, 0x0000060a}, {0x2b, 0x0004b333},
287	{0x2c, 0x0000000d}, {0x2a, 0x00000009},
288	{0x2b, 0x0000060a}, {0x2b, 0x00053333},
289	{0x2c, 0x0000000d}, {0x2a, 0x0000000a},
290	{0x2b, 0x0000060a}, {0x2b, 0x0005b333},
291	{0x2c, 0x0000000d}, {0x2a, 0x0000000b},
292	{0x2b, 0x0000060a}, {0x2b, 0x00063333},
293	{0x2c, 0x0000000d}, {0x2a, 0x0000000c},
294	{0x2b, 0x0000060a}, {0x2b, 0x0006b333},
295	{0x2c, 0x0000000d}, {0x2a, 0x0000000d},
296	{0x2b, 0x0000060a}, {0x2b, 0x00073333},
297	{0x2c, 0x0000000d}, {0x2a, 0x0000000e},
298	{0x2b, 0x0000050b}, {0x2b, 0x00066666},
299	{0x2c, 0x0000001a}, {0x2a, 0x000e0000},
300	{0x10, 0x0004000f}, {0x11, 0x000e31fc},
301	{0x10, 0x0006000f}, {0x11, 0x000ff9f8},
302	{0x10, 0x0002000f}, {0x11, 0x000203f9},
303	{0x10, 0x0003000f}, {0x11, 0x000ff500},
304	{0x10, 0x00000000}, {0x11, 0x00000000},
305	{0x10, 0x0008000f}, {0x11, 0x0003f100},
306	{0x10, 0x0009000f}, {0x11, 0x00023100},
307	{0x12, 0x000d8000}, {0x12, 0x00090000},
308	{0x12, 0x00051000}, {0x12, 0x00012000},
309	{0x13, 0x00028fb4}, {0x13, 0x00024fa8},
310	{0x13, 0x000207a4}, {0x13, 0x0001c3b0},
311	{0x13, 0x000183a4}, {0x13, 0x00014398},
312	{0x13, 0x000101a4}, {0x13, 0x0000c198},
313	{0x13, 0x000080a4}, {0x13, 0x00004098},
314	{0x13, 0x00000000}, {0x14, 0x0001944c},
315	{0x14, 0x00059444}, {0x14, 0x0009944c},
316	{0x14, 0x000d9444}, {0x15, 0x0000f405},
317	{0x15, 0x0004f405}, {0x15, 0x0008f405},
318	{0x15, 0x000cf405}, {0x16, 0x000e0330},
319	{0x16, 0x000a0330}, {0x16, 0x00060330},
320	{0x16, 0x00020330}, {0x00, 0x00010159},
321	{0x18, 0x0000f401}, {0xfe, 0x00000000},
322	{0xfe, 0x00000000}, {0x1f, 0x00080003},
323	{0xfe, 0x00000000}, {0xfe, 0x00000000},
324	{0x1e, 0x00044457}, {0x1f, 0x00080000},
325	{0x00, 0x00030159},
326	{0xff, 0xffffffff}
327};
328
329static int rtl8192cu_identify_chip(struct rtl8xxxu_priv *priv)
330{
331	struct device *dev = &priv->udev->dev;
332	u32 val32, bonding, sys_cfg, vendor;
333	int ret = 0;
334
335	sys_cfg = rtl8xxxu_read32(priv, REG_SYS_CFG);
336	priv->chip_cut = u32_get_bits(sys_cfg, SYS_CFG_CHIP_VERSION_MASK);
337	if (sys_cfg & SYS_CFG_TRP_VAUX_EN) {
338		dev_info(dev, "Unsupported test chip\n");
339		ret = -ENOTSUPP;
340		goto out;
341	}
342
343	if (sys_cfg & SYS_CFG_TYPE_ID) {
344		bonding = rtl8xxxu_read32(priv, REG_HPON_FSM);
345		bonding &= HPON_FSM_BONDING_MASK;
346		if (bonding == HPON_FSM_BONDING_1T2R) {
347			strscpy(priv->chip_name, "8191CU", sizeof(priv->chip_name));
348			priv->tx_paths = 1;
349			priv->usb_interrupts = 1;
350			priv->rtl_chip = RTL8191C;
351		} else {
352			strscpy(priv->chip_name, "8192CU", sizeof(priv->chip_name));
353			priv->tx_paths = 2;
354			priv->usb_interrupts = 0;
355			priv->rtl_chip = RTL8192C;
356		}
357		priv->rf_paths = 2;
358		priv->rx_paths = 2;
359	} else {
360		strscpy(priv->chip_name, "8188CU", sizeof(priv->chip_name));
361		priv->rf_paths = 1;
362		priv->rx_paths = 1;
363		priv->tx_paths = 1;
364		priv->rtl_chip = RTL8188C;
365		priv->usb_interrupts = 0;
366	}
367	priv->has_wifi = 1;
368
369	vendor = sys_cfg & SYS_CFG_VENDOR_ID;
370	rtl8xxxu_identify_vendor_1bit(priv, vendor);
371
372	val32 = rtl8xxxu_read32(priv, REG_GPIO_OUTSTS);
373	priv->rom_rev = u32_get_bits(val32, GPIO_RF_RL_ID);
374
375	rtl8xxxu_config_endpoints_sie(priv);
376
377	/*
378	 * Fallback for devices that do not provide REG_NORMAL_SIE_EP_TX
379	 */
380	if (!priv->ep_tx_count)
381		ret = rtl8xxxu_config_endpoints_no_sie(priv);
382
383out:
384	return ret;
385}
386
387static int rtl8192cu_load_firmware(struct rtl8xxxu_priv *priv)
388{
389	const char *fw_name;
390	int ret;
391
392	if (!priv->vendor_umc)
393		fw_name = "rtlwifi/rtl8192cufw_TMSC.bin";
394	else if (priv->chip_cut || priv->rtl_chip == RTL8192C)
395		fw_name = "rtlwifi/rtl8192cufw_B.bin";
396	else
397		fw_name = "rtlwifi/rtl8192cufw_A.bin";
398
399	ret = rtl8xxxu_load_firmware(priv, fw_name);
400
401	return ret;
402}
403
404static int rtl8192cu_parse_efuse(struct rtl8xxxu_priv *priv)
405{
406	struct rtl8192cu_efuse *efuse = &priv->efuse_wifi.efuse8192;
407
408	if (efuse->rtl_id != cpu_to_le16(0x8129))
409		return -EINVAL;
410
411	ether_addr_copy(priv->mac_addr, efuse->mac_addr);
412
413	memcpy(priv->cck_tx_power_index_A,
414	       efuse->cck_tx_power_index_A,
415	       sizeof(efuse->cck_tx_power_index_A));
416	memcpy(priv->cck_tx_power_index_B,
417	       efuse->cck_tx_power_index_B,
418	       sizeof(efuse->cck_tx_power_index_B));
419
420	memcpy(priv->ht40_1s_tx_power_index_A,
421	       efuse->ht40_1s_tx_power_index_A,
422	       sizeof(efuse->ht40_1s_tx_power_index_A));
423	memcpy(priv->ht40_1s_tx_power_index_B,
424	       efuse->ht40_1s_tx_power_index_B,
425	       sizeof(efuse->ht40_1s_tx_power_index_B));
426	memcpy(priv->ht40_2s_tx_power_index_diff,
427	       efuse->ht40_2s_tx_power_index_diff,
428	       sizeof(efuse->ht40_2s_tx_power_index_diff));
429
430	memcpy(priv->ht20_tx_power_index_diff,
431	       efuse->ht20_tx_power_index_diff,
432	       sizeof(efuse->ht20_tx_power_index_diff));
433	memcpy(priv->ofdm_tx_power_index_diff,
434	       efuse->ofdm_tx_power_index_diff,
435	       sizeof(efuse->ofdm_tx_power_index_diff));
436
437	memcpy(priv->ht40_max_power_offset,
438	       efuse->ht40_max_power_offset,
439	       sizeof(efuse->ht40_max_power_offset));
440	memcpy(priv->ht20_max_power_offset,
441	       efuse->ht20_max_power_offset,
442	       sizeof(efuse->ht20_max_power_offset));
443
444	priv->power_base = &rtl8192c_power_base;
445
446	if (efuse->rf_regulatory & 0x20) {
447		strscpy(priv->chip_name, "8188RU", sizeof(priv->chip_name));
448		priv->rtl_chip = RTL8188R;
449		priv->hi_pa = 1;
450		priv->no_pape = 1;
451		priv->power_base = &rtl8188r_power_base;
452	}
453
454	return 0;
455}
456
457static int rtl8192cu_init_phy_rf(struct rtl8xxxu_priv *priv)
458{
459	const struct rtl8xxxu_rfregval *rftable;
460	int ret;
461
462	if (priv->rtl_chip == RTL8188R) {
463		rftable = rtl8188ru_radioa_1t_highpa_table;
464		ret = rtl8xxxu_init_phy_rf(priv, rftable, RF_A);
465	} else if (priv->rf_paths == 1) {
466		rftable = rtl8192cu_radioa_1t_init_table;
467		ret = rtl8xxxu_init_phy_rf(priv, rftable, RF_A);
468	} else {
469		rftable = rtl8192cu_radioa_2t_init_table;
470		ret = rtl8xxxu_init_phy_rf(priv, rftable, RF_A);
471		if (ret)
472			goto exit;
473		rftable = rtl8192cu_radiob_2t_init_table;
474		ret = rtl8xxxu_init_phy_rf(priv, rftable, RF_B);
475	}
476
477exit:
478	return ret;
479}
480
481static int rtl8192cu_power_on(struct rtl8xxxu_priv *priv)
482{
483	u8 val8;
484	u16 val16;
485	u32 val32;
486	int i;
487
488	for (i = 100; i; i--) {
489		val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO);
490		if (val8 & APS_FSMCO_PFM_ALDN)
491			break;
492	}
493
494	if (!i) {
495		pr_info("%s: Poll failed\n", __func__);
496		return -ENODEV;
497	}
498
499	/*
500	 * RSV_CTRL 0x001C[7:0] = 0x00, unlock ISO/CLK/Power control register
501	 */
502	rtl8xxxu_write8(priv, REG_RSV_CTRL, 0x0);
503	rtl8xxxu_write8(priv, REG_SPS0_CTRL, 0x2b);
504	udelay(100);
505
506	val8 = rtl8xxxu_read8(priv, REG_LDOV12D_CTRL);
507	if (!(val8 & LDOV12D_ENABLE)) {
508		pr_info("%s: Enabling LDOV12D (%02x)\n", __func__, val8);
509		val8 |= LDOV12D_ENABLE;
510		rtl8xxxu_write8(priv, REG_LDOV12D_CTRL, val8);
511
512		udelay(100);
513
514		val8 = rtl8xxxu_read8(priv, REG_SYS_ISO_CTRL);
515		val8 &= ~SYS_ISO_MD2PP;
516		rtl8xxxu_write8(priv, REG_SYS_ISO_CTRL, val8);
517	}
518
519	/*
520	 * Auto enable WLAN
521	 */
522	val16 = rtl8xxxu_read16(priv, REG_APS_FSMCO);
523	val16 |= APS_FSMCO_MAC_ENABLE;
524	rtl8xxxu_write16(priv, REG_APS_FSMCO, val16);
525
526	for (i = 1000; i; i--) {
527		val16 = rtl8xxxu_read16(priv, REG_APS_FSMCO);
528		if (!(val16 & APS_FSMCO_MAC_ENABLE))
529			break;
530	}
531	if (!i) {
532		pr_info("%s: FSMCO_MAC_ENABLE poll failed\n", __func__);
533		return -EBUSY;
534	}
535
536	/*
537	 * Enable radio, GPIO, LED
538	 */
539	val16 = APS_FSMCO_HW_SUSPEND | APS_FSMCO_ENABLE_POWERDOWN |
540		APS_FSMCO_PFM_ALDN;
541	rtl8xxxu_write16(priv, REG_APS_FSMCO, val16);
542
543	/*
544	 * Release RF digital isolation
545	 */
546	val16 = rtl8xxxu_read16(priv, REG_SYS_ISO_CTRL);
547	val16 &= ~SYS_ISO_DIOR;
548	rtl8xxxu_write16(priv, REG_SYS_ISO_CTRL, val16);
549
550	val8 = rtl8xxxu_read8(priv, REG_APSD_CTRL);
551	val8 &= ~APSD_CTRL_OFF;
552	rtl8xxxu_write8(priv, REG_APSD_CTRL, val8);
553	for (i = 200; i; i--) {
554		val8 = rtl8xxxu_read8(priv, REG_APSD_CTRL);
555		if (!(val8 & APSD_CTRL_OFF_STATUS))
556			break;
557	}
558
559	if (!i) {
560		pr_info("%s: APSD_CTRL poll failed\n", __func__);
561		return -EBUSY;
562	}
563
564	/*
565	 * Enable MAC DMA/WMAC/SCHEDULE/SEC block
566	 */
567	val16 = rtl8xxxu_read16(priv, REG_CR);
568	val16 |= CR_HCI_TXDMA_ENABLE | CR_HCI_RXDMA_ENABLE |
569		CR_TXDMA_ENABLE | CR_RXDMA_ENABLE | CR_PROTOCOL_ENABLE |
570		CR_SCHEDULE_ENABLE | CR_MAC_TX_ENABLE | CR_MAC_RX_ENABLE;
571	rtl8xxxu_write16(priv, REG_CR, val16);
572
573	rtl8xxxu_write8(priv, 0xfe10, 0x19);
574
575	/*
576	 * Workaround for 8188RU LNA power leakage problem.
577	 */
578	if (priv->rtl_chip == RTL8188R) {
579		val32 = rtl8xxxu_read32(priv, REG_FPGA0_XCD_RF_PARM);
580		val32 &= ~BIT(1);
581		rtl8xxxu_write32(priv, REG_FPGA0_XCD_RF_PARM, val32);
582	}
583	return 0;
584}
585
586struct rtl8xxxu_fileops rtl8192cu_fops = {
587	.identify_chip = rtl8192cu_identify_chip,
588	.parse_efuse = rtl8192cu_parse_efuse,
589	.load_firmware = rtl8192cu_load_firmware,
590	.power_on = rtl8192cu_power_on,
591	.power_off = rtl8xxxu_power_off,
592	.read_efuse = rtl8xxxu_read_efuse,
593	.reset_8051 = rtl8xxxu_reset_8051,
594	.llt_init = rtl8xxxu_init_llt_table,
595	.init_phy_bb = rtl8xxxu_gen1_init_phy_bb,
596	.init_phy_rf = rtl8192cu_init_phy_rf,
597	.phy_lc_calibrate = rtl8723a_phy_lc_calibrate,
598	.phy_iq_calibrate = rtl8xxxu_gen1_phy_iq_calibrate,
599	.config_channel = rtl8xxxu_gen1_config_channel,
600	.parse_rx_desc = rtl8xxxu_parse_rxdesc16,
601	.parse_phystats = rtl8723au_rx_parse_phystats,
602	.init_aggregation = rtl8xxxu_gen1_init_aggregation,
603	.enable_rf = rtl8xxxu_gen1_enable_rf,
604	.disable_rf = rtl8xxxu_gen1_disable_rf,
605	.usb_quirks = rtl8xxxu_gen1_usb_quirks,
606	.set_tx_power = rtl8xxxu_gen1_set_tx_power,
607	.update_rate_mask = rtl8xxxu_update_rate_mask,
608	.report_connect = rtl8xxxu_gen1_report_connect,
609	.report_rssi = rtl8xxxu_gen1_report_rssi,
610	.fill_txdesc = rtl8xxxu_fill_txdesc_v1,
611	.cck_rssi = rtl8723a_cck_rssi,
612	.writeN_block_size = 128,
613	.rx_agg_buf_size = 16000,
614	.tx_desc_size = sizeof(struct rtl8xxxu_txdesc32),
615	.rx_desc_size = sizeof(struct rtl8xxxu_rxdesc16),
616	.max_sec_cam_num = 32,
617	.adda_1t_init = 0x0b1b25a0,
618	.adda_1t_path_on = 0x0bdb25a0,
619	.adda_2t_path_on_a = 0x04db25a4,
620	.adda_2t_path_on_b = 0x0b1b25a4,
621	.trxff_boundary = 0x27ff,
622	.pbp_rx = PBP_PAGE_SIZE_128,
623	.pbp_tx = PBP_PAGE_SIZE_128,
624	.mactable = rtl8xxxu_gen1_mac_init_table,
625	.total_page_num = TX_TOTAL_PAGE_NUM,
626	.page_num_hi = TX_PAGE_NUM_HI_PQ,
627	.page_num_lo = TX_PAGE_NUM_LO_PQ,
628	.page_num_norm = TX_PAGE_NUM_NORM_PQ,
629};
630#endif
631