]>
Commit | Line | Data |
---|---|---|
94a79942 LF |
1 | /****************************************************************************** |
2 | * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved. | |
3 | * | |
4 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
5 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
6 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
7 | * more details. | |
8 | * | |
9 | * You should have received a copy of the GNU General Public License along with | |
10 | * this program; if not, write to the Free Software Foundation, Inc., | |
11 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA | |
12 | * | |
13 | * The full GNU General Public License is included in this distribution in the | |
14 | * file called LICENSE. | |
15 | * | |
16 | * Contact Information: | |
17 | * wlanfae <wlanfae@realtek.com> | |
18 | ******************************************************************************/ | |
19 | ||
94a79942 LF |
20 | #include "rtl_core.h" |
21 | #include "r8192E_hw.h" | |
94a79942 | 22 | #include "r8192E_hwimg.h" |
94a79942 | 23 | #include "r8192E_firmware.h" |
94a79942 | 24 | #include <linux/firmware.h> |
94a79942 LF |
25 | |
26 | extern void firmware_init_param(struct net_device *dev) | |
27 | { | |
28 | struct r8192_priv *priv = rtllib_priv(dev); | |
29 | rt_firmware *pfirmware = priv->pFirmware; | |
30 | ||
31 | pfirmware->cmdpacket_frag_thresold = GET_COMMAND_PACKET_FRAG_THRESHOLD(MAX_TRANSMIT_BUFFER_SIZE); | |
32 | } | |
33 | ||
34 | bool fw_download_code(struct net_device *dev, u8 *code_virtual_address, u32 buffer_len) | |
35 | { | |
36 | struct r8192_priv *priv = rtllib_priv(dev); | |
37 | bool rt_status = true; | |
38 | u16 frag_threshold; | |
39 | u16 frag_length, frag_offset = 0; | |
40 | int i; | |
41 | ||
42 | rt_firmware *pfirmware = priv->pFirmware; | |
43 | struct sk_buff *skb; | |
44 | unsigned char *seg_ptr; | |
45 | cb_desc *tcb_desc; | |
46 | u8 bLastIniPkt; | |
47 | ||
48 | firmware_init_param(dev); | |
49 | frag_threshold = pfirmware->cmdpacket_frag_thresold; | |
50 | do { | |
51 | if ((buffer_len - frag_offset) > frag_threshold) { | |
52 | frag_length = frag_threshold ; | |
53 | bLastIniPkt = 0; | |
54 | ||
55 | } else { | |
56 | frag_length = buffer_len - frag_offset; | |
57 | bLastIniPkt = 1; | |
58 | ||
59 | } | |
60 | ||
61 | skb = dev_alloc_skb(frag_length + 4); | |
62 | memcpy((unsigned char *)(skb->cb),&dev,sizeof(dev)); | |
63 | tcb_desc = (cb_desc*)(skb->cb + MAX_DEV_ADDR_SIZE); | |
64 | tcb_desc->queue_index = TXCMD_QUEUE; | |
65 | tcb_desc->bCmdOrInit = DESC_PACKET_TYPE_INIT; | |
66 | tcb_desc->bLastIniPkt = bLastIniPkt; | |
67 | ||
68 | seg_ptr = skb->data; | |
69 | for (i=0 ; i < frag_length; i+=4) { | |
70 | *seg_ptr++ = ((i+0)<frag_length)?code_virtual_address[i+3]:0; | |
71 | *seg_ptr++ = ((i+1)<frag_length)?code_virtual_address[i+2]:0; | |
72 | *seg_ptr++ = ((i+2)<frag_length)?code_virtual_address[i+1]:0; | |
73 | *seg_ptr++ = ((i+3)<frag_length)?code_virtual_address[i+0]:0; | |
74 | } | |
75 | tcb_desc->txbuf_size= (u16)i; | |
76 | skb_put(skb, i); | |
77 | ||
78 | if (!priv->rtllib->check_nic_enough_desc(dev,tcb_desc->queue_index)|| | |
79 | (!skb_queue_empty(&priv->rtllib->skb_waitQ[tcb_desc->queue_index]))||\ | |
80 | (priv->rtllib->queue_stop) ) { | |
81 | RT_TRACE(COMP_FIRMWARE, "===================> tx full!\n"); | |
82 | skb_queue_tail(&priv->rtllib->skb_waitQ[tcb_desc->queue_index], skb); | |
83 | } else { | |
84 | priv->rtllib->softmac_hard_start_xmit(skb,dev); | |
85 | } | |
86 | ||
87 | code_virtual_address += frag_length; | |
88 | frag_offset += frag_length; | |
89 | ||
90 | }while(frag_offset < buffer_len); | |
91 | ||
92 | write_nic_byte(dev, TPPoll, TPPoll_CQ); | |
93 | ||
94 | return rt_status; | |
95 | } | |
96 | ||
97 | bool | |
98 | fwSendNullPacket( | |
99 | struct net_device *dev, | |
100 | u32 Length | |
101 | ) | |
102 | { | |
103 | bool rtStatus = true; | |
104 | struct r8192_priv *priv = rtllib_priv(dev); | |
105 | struct sk_buff *skb; | |
106 | cb_desc *tcb_desc; | |
107 | unsigned char *ptr_buf; | |
108 | bool bLastInitPacket = false; | |
109 | ||
110 | ||
111 | skb = dev_alloc_skb(Length+ 4); | |
112 | memcpy((unsigned char *)(skb->cb),&dev,sizeof(dev)); | |
113 | tcb_desc = (cb_desc*)(skb->cb + MAX_DEV_ADDR_SIZE); | |
114 | tcb_desc->queue_index = TXCMD_QUEUE; | |
115 | tcb_desc->bCmdOrInit = DESC_PACKET_TYPE_INIT; | |
116 | tcb_desc->bLastIniPkt = bLastInitPacket; | |
117 | ptr_buf = skb_put(skb, Length); | |
118 | memset(ptr_buf,0,Length); | |
119 | tcb_desc->txbuf_size= (u16)Length; | |
120 | ||
121 | if (!priv->rtllib->check_nic_enough_desc(dev,tcb_desc->queue_index)|| | |
122 | (!skb_queue_empty(&priv->rtllib->skb_waitQ[tcb_desc->queue_index]))||\ | |
123 | (priv->rtllib->queue_stop) ) { | |
124 | RT_TRACE(COMP_FIRMWARE,"===================NULL packet================> tx full!\n"); | |
125 | skb_queue_tail(&priv->rtllib->skb_waitQ[tcb_desc->queue_index], skb); | |
126 | } else { | |
127 | priv->rtllib->softmac_hard_start_xmit(skb,dev); | |
128 | } | |
129 | ||
130 | write_nic_byte(dev, TPPoll, TPPoll_CQ); | |
131 | return rtStatus; | |
132 | } | |
133 | ||
134 | bool CPUcheck_maincodeok_turnonCPU(struct net_device *dev) | |
135 | { | |
136 | bool rt_status = true; | |
137 | u32 CPU_status = 0; | |
138 | unsigned long timeout; | |
139 | ||
140 | timeout = jiffies + MSECS(200); | |
141 | while (time_before(jiffies, timeout)) { | |
142 | CPU_status = read_nic_dword(dev, CPU_GEN); | |
143 | if (CPU_status & CPU_GEN_PUT_CODE_OK) | |
144 | break; | |
145 | msleep(2); | |
146 | } | |
147 | ||
148 | if (!(CPU_status&CPU_GEN_PUT_CODE_OK)) { | |
149 | RT_TRACE(COMP_ERR, "Download Firmware: Put code fail!\n"); | |
150 | goto CPUCheckMainCodeOKAndTurnOnCPU_Fail; | |
151 | } else { | |
152 | RT_TRACE(COMP_FIRMWARE, "Download Firmware: Put code ok!\n"); | |
153 | } | |
154 | ||
155 | CPU_status = read_nic_dword(dev, CPU_GEN); | |
156 | write_nic_byte(dev, CPU_GEN, (u8)((CPU_status|CPU_GEN_PWR_STB_CPU)&0xff)); | |
157 | mdelay(1); | |
158 | ||
159 | timeout = jiffies + MSECS(200); | |
160 | while (time_before(jiffies, timeout)) { | |
161 | CPU_status = read_nic_dword(dev, CPU_GEN); | |
162 | if (CPU_status&CPU_GEN_BOOT_RDY) | |
163 | break; | |
164 | msleep(2); | |
165 | } | |
166 | ||
167 | if (!(CPU_status&CPU_GEN_BOOT_RDY)) { | |
168 | goto CPUCheckMainCodeOKAndTurnOnCPU_Fail; | |
169 | } else { | |
170 | RT_TRACE(COMP_FIRMWARE, "Download Firmware: Boot ready!\n"); | |
171 | } | |
172 | ||
173 | return rt_status; | |
174 | ||
175 | CPUCheckMainCodeOKAndTurnOnCPU_Fail: | |
176 | RT_TRACE(COMP_ERR, "ERR in %s()\n", __func__); | |
177 | rt_status = false; | |
178 | return rt_status; | |
179 | } | |
180 | ||
181 | bool CPUcheck_firmware_ready(struct net_device *dev) | |
182 | { | |
183 | ||
184 | bool rt_status = true; | |
185 | u32 CPU_status = 0; | |
186 | unsigned long timeout; | |
187 | ||
188 | timeout = jiffies + MSECS(20); | |
189 | while (time_before(jiffies, timeout)) { | |
190 | CPU_status = read_nic_dword(dev, CPU_GEN); | |
191 | if (CPU_status&CPU_GEN_FIRM_RDY) | |
192 | break; | |
193 | msleep(2); | |
194 | } | |
195 | ||
196 | if (!(CPU_status&CPU_GEN_FIRM_RDY)) | |
197 | goto CPUCheckFirmwareReady_Fail; | |
198 | else | |
199 | RT_TRACE(COMP_FIRMWARE, "Download Firmware: Firmware ready!\n"); | |
200 | ||
201 | return rt_status; | |
202 | ||
203 | CPUCheckFirmwareReady_Fail: | |
204 | RT_TRACE(COMP_ERR, "ERR in %s()\n", __func__); | |
205 | rt_status = false; | |
206 | return rt_status; | |
207 | ||
208 | } | |
209 | ||
210 | inline static bool firmware_check_ready(struct net_device *dev, u8 load_fw_status) | |
211 | { | |
212 | struct r8192_priv *priv = rtllib_priv(dev); | |
213 | rt_firmware *pfirmware = priv->pFirmware; | |
214 | bool rt_status = true; | |
215 | ||
216 | switch (load_fw_status) { | |
217 | case FW_INIT_STEP0_BOOT: | |
218 | pfirmware->firmware_status = FW_STATUS_1_MOVE_BOOT_CODE; | |
219 | #ifdef RTL8190P | |
220 | rt_status = fwSendNullPacket(dev, RTL8190_CPU_START_OFFSET); | |
221 | if (!rt_status) { | |
222 | RT_TRACE(COMP_INIT, "fwSendNullPacket() fail ! \n"); | |
223 | } | |
224 | #endif | |
225 | break; | |
226 | ||
227 | case FW_INIT_STEP1_MAIN: | |
228 | pfirmware->firmware_status = FW_STATUS_2_MOVE_MAIN_CODE; | |
229 | ||
230 | rt_status = CPUcheck_maincodeok_turnonCPU(dev); | |
231 | if (rt_status) { | |
232 | pfirmware->firmware_status = FW_STATUS_3_TURNON_CPU; | |
233 | } else { | |
234 | RT_TRACE(COMP_FIRMWARE, "CPUcheck_maincodeok_turnonCPU fail!\n"); | |
235 | } | |
236 | ||
237 | break; | |
238 | ||
239 | case FW_INIT_STEP2_DATA: | |
240 | pfirmware->firmware_status = FW_STATUS_4_MOVE_DATA_CODE; | |
241 | mdelay(1); | |
242 | ||
243 | rt_status = CPUcheck_firmware_ready(dev); | |
244 | if (rt_status) { | |
245 | pfirmware->firmware_status = FW_STATUS_5_READY; | |
246 | } else { | |
247 | RT_TRACE(COMP_FIRMWARE, "CPUcheck_firmware_ready fail(%d)!\n",rt_status); | |
248 | } | |
249 | ||
250 | break; | |
251 | default: | |
252 | rt_status = false; | |
253 | RT_TRACE(COMP_FIRMWARE, "Unknown firware status"); | |
254 | break; | |
255 | } | |
256 | ||
257 | return rt_status; | |
258 | } | |
259 | ||
260 | bool init_firmware(struct net_device *dev) | |
261 | { | |
262 | struct r8192_priv *priv = rtllib_priv(dev); | |
263 | bool rt_status = true; | |
264 | ||
265 | #ifdef RTL8190P | |
266 | u8 *firmware_img_buf[3] = { &Rtl8190PciFwBootArray[0], | |
267 | &Rtl8190PciFwMainArray[0], | |
268 | &Rtl8190PciFwDataArray[0]}; | |
269 | ||
270 | u32 firmware_img_len[3] = { sizeof(Rtl8190PciFwBootArray), | |
271 | sizeof(Rtl8190PciFwMainArray), | |
272 | sizeof(Rtl8190PciFwDataArray)}; | |
273 | #else | |
274 | u8 *firmware_img_buf[3] = { &Rtl8192PciEFwBootArray[0], | |
275 | &Rtl8192PciEFwMainArray[0], | |
276 | &Rtl8192PciEFwDataArray[0]}; | |
277 | ||
278 | u32 firmware_img_len[3] = { sizeof(Rtl8192PciEFwBootArray), | |
279 | sizeof(Rtl8192PciEFwMainArray), | |
280 | sizeof(Rtl8192PciEFwDataArray)}; | |
281 | #endif | |
282 | u32 file_length = 0; | |
283 | u8 *mapped_file = NULL; | |
284 | u8 init_step = 0; | |
285 | opt_rst_type_e rst_opt = OPT_SYSTEM_RESET; | |
286 | firmware_init_step_e starting_state = FW_INIT_STEP0_BOOT; | |
287 | ||
288 | rt_firmware *pfirmware = priv->pFirmware; | |
289 | ||
290 | RT_TRACE(COMP_FIRMWARE, " PlatformInitFirmware()==>\n"); | |
291 | ||
292 | if (pfirmware->firmware_status == FW_STATUS_0_INIT ) { | |
293 | rst_opt = OPT_SYSTEM_RESET; | |
294 | starting_state = FW_INIT_STEP0_BOOT; | |
295 | ||
296 | }else if (pfirmware->firmware_status == FW_STATUS_5_READY) { | |
297 | rst_opt = OPT_FIRMWARE_RESET; | |
298 | starting_state = FW_INIT_STEP2_DATA; | |
299 | }else { | |
300 | RT_TRACE(COMP_FIRMWARE, "PlatformInitFirmware: undefined firmware state\n"); | |
301 | } | |
302 | ||
94a79942 | 303 | priv->firmware_source = FW_SOURCE_IMG_FILE; |
94a79942 LF |
304 | for (init_step = starting_state; init_step <= FW_INIT_STEP2_DATA; init_step++) { |
305 | if (rst_opt == OPT_SYSTEM_RESET) { | |
306 | switch (priv->firmware_source) { | |
307 | case FW_SOURCE_IMG_FILE: | |
308 | { | |
94a79942 LF |
309 | if (pfirmware->firmware_buf_size[init_step] == 0) { |
310 | const char *fw_name[3] = { "RTL8192E/boot.img", | |
311 | "RTL8192E/main.img", | |
312 | "RTL8192E/data.img" | |
313 | }; | |
314 | const struct firmware *fw_entry; | |
315 | int rc; | |
316 | rc = request_firmware(&fw_entry, fw_name[init_step],&priv->pdev->dev); | |
317 | if (rc < 0 ) { | |
318 | RT_TRACE(COMP_FIRMWARE, "request firmware fail!\n"); | |
319 | goto download_firmware_fail; | |
320 | } | |
321 | if (fw_entry->size > sizeof(pfirmware->firmware_buf[init_step])) { | |
322 | RT_TRACE(COMP_FIRMWARE, "img file size exceed the container buffer fail!\n"); | |
323 | goto download_firmware_fail; | |
324 | } | |
325 | ||
326 | if (init_step != FW_INIT_STEP1_MAIN) { | |
327 | memcpy(pfirmware->firmware_buf[init_step],fw_entry->data,fw_entry->size); | |
328 | pfirmware->firmware_buf_size[init_step] = fw_entry->size; | |
329 | ||
330 | } else { | |
331 | memset(pfirmware->firmware_buf[init_step],0,128); | |
332 | memcpy(&pfirmware->firmware_buf[init_step][128],fw_entry->data,fw_entry->size); | |
333 | pfirmware->firmware_buf_size[init_step] = fw_entry->size+128; | |
334 | } | |
335 | ||
336 | if (rst_opt == OPT_SYSTEM_RESET) { | |
337 | release_firmware(fw_entry); | |
338 | } | |
339 | } | |
340 | mapped_file = pfirmware->firmware_buf[init_step]; | |
341 | file_length = pfirmware->firmware_buf_size[init_step]; | |
94a79942 LF |
342 | break; |
343 | } | |
344 | case FW_SOURCE_HEADER_FILE: | |
345 | mapped_file = firmware_img_buf[init_step]; | |
346 | file_length = firmware_img_len[init_step]; | |
347 | if (init_step == FW_INIT_STEP2_DATA) { | |
348 | memcpy(pfirmware->firmware_buf[init_step], mapped_file, file_length); | |
349 | pfirmware->firmware_buf_size[init_step] = file_length; | |
350 | } | |
351 | break; | |
352 | ||
353 | default: | |
354 | break; | |
355 | } | |
356 | ||
357 | ||
358 | } else if (rst_opt == OPT_FIRMWARE_RESET) { | |
359 | mapped_file = pfirmware->firmware_buf[init_step]; | |
360 | file_length = pfirmware->firmware_buf_size[init_step]; | |
361 | } | |
362 | ||
363 | rt_status = fw_download_code(dev,mapped_file,file_length); | |
364 | if (rt_status != true) { | |
365 | goto download_firmware_fail; | |
366 | } | |
367 | ||
368 | if (!firmware_check_ready(dev, init_step)) { | |
369 | goto download_firmware_fail; | |
370 | } | |
371 | } | |
372 | ||
373 | RT_TRACE(COMP_FIRMWARE, "Firmware Download Success\n"); | |
374 | return rt_status; | |
375 | ||
376 | download_firmware_fail: | |
377 | RT_TRACE(COMP_ERR, "ERR in %s()\n", __func__); | |
378 | rt_status = false; | |
379 | return rt_status; | |
380 | ||
381 | } |