1 /**************************************************************************************************
2 * Procedure: Init boot code/firmware code/data session
4 * Description: This routine will intialize firmware. If any error occurs during the initialization
5 * process, the routine shall terminate immediately and return fail.
6 * NIC driver should call NdisOpenFile only from MiniportInitialize.
8 * Arguments: The pointer of the adapter
11 * NDIS_STATUS_FAILURE - the following initialization process should be terminated
12 * NDIS_STATUS_SUCCESS - if firmware initialization process success
13 **************************************************************************************************/
15 #include "r8192S_firmware.h"
16 #include <linux/unistd.h>
18 #include "r8192S_hw.h"
19 #include "r8192SU_HWImg.h"
21 #include <linux/firmware.h>
23 #define byte(x,n) ( (x >> (8 * n)) & 0xff )
26 // Description: This routine will intialize firmware. If any error occurs during the initialization
27 // process, the routine shall terminate immediately and return fail.
29 // Arguments: The pointer of the adapter
30 // Code address (Virtual address, should fill descriptor with physical address)
32 // Created by Roger, 2008.04.10.
34 bool FirmwareDownloadCode(struct net_device *dev,
35 u8 *code_virtual_address,
38 struct r8192_priv *priv = ieee80211_priv(dev);
39 bool rt_status = true;
40 /* Fragmentation might be required in 90/92 but not in 92S */
41 u16 frag_threshold = MAX_FIRMWARE_CODE_SIZE;
42 u16 frag_length, frag_offset = 0;
44 unsigned char *seg_ptr;
47 u16 ExtraDescOffset = 0;
49 if (buffer_len >= MAX_FIRMWARE_CODE_SIZE - USB_HWDESC_HEADER_LEN) {
50 RT_TRACE(COMP_ERR, "(%s): Firmware exceeds"
51 " MAX_FIRMWARE_CODE_SIZE\n", __func__);
52 goto cmdsend_downloadcode_fail;
54 ExtraDescOffset = USB_HWDESC_HEADER_LEN;
56 if((buffer_len-frag_offset) > frag_threshold)
57 frag_length = frag_threshold + ExtraDescOffset;
59 frag_length = (u16)(buffer_len -
60 frag_offset + ExtraDescOffset);
64 * Allocate skb buffer to contain firmware info
65 * and tx descriptor info.
67 skb = dev_alloc_skb(frag_length);
69 RT_TRACE(COMP_ERR, "(%s): unable to alloc skb buffer\n",
71 goto cmdsend_downloadcode_fail;
73 memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
75 tcb_desc = (cb_desc*)(skb->cb + MAX_DEV_ADDR_SIZE);
76 tcb_desc->queue_index = TXCMD_QUEUE;
77 tcb_desc->bCmdOrInit = DESC_PACKET_TYPE_INIT;
78 tcb_desc->bLastIniPkt = bLastIniPkt;
80 skb_reserve(skb, ExtraDescOffset);
82 seg_ptr = (u8 *)skb_put(skb,
83 (u32)(frag_length - ExtraDescOffset));
85 memcpy(seg_ptr, code_virtual_address + frag_offset,
86 (u32)(frag_length-ExtraDescOffset));
88 tcb_desc->txbuf_size = frag_length;
90 if (!priv->ieee80211->check_nic_enough_desc(dev, tcb_desc->queue_index) ||
91 (!skb_queue_empty(&priv->ieee80211->skb_waitQ[tcb_desc->queue_index])) ||
92 (priv->ieee80211->queue_stop)) {
93 RT_TRACE(COMP_FIRMWARE,"=====================================================> tx full!\n");
94 skb_queue_tail(&priv->ieee80211->skb_waitQ[tcb_desc->queue_index], skb);
96 priv->ieee80211->softmac_hard_start_xmit(skb, dev);
98 frag_offset += (frag_length - ExtraDescOffset);
100 } while (frag_offset < buffer_len);
103 cmdsend_downloadcode_fail:
105 RT_TRACE(COMP_ERR, "(%s): failed\n", __func__);
110 bool FirmwareEnableCPU(struct net_device *dev)
112 bool rtStatus = true;
113 u8 tmpU1b, CPUStatus = 0;
115 u32 iCheckTime = 200;
118 tmpU1b = read_nic_byte(dev, SYS_CLKR);
120 write_nic_byte(dev, SYS_CLKR, (tmpU1b|SYS_CPU_CLKSEL));
121 tmpU2b = read_nic_word(dev, SYS_FUNC_EN);
122 write_nic_word(dev, SYS_FUNC_EN, (tmpU2b|FEN_CPUEN));
123 /* Poll IMEM Ready after CPU has refilled. */
125 CPUStatus = read_nic_byte(dev, TCR);
126 if (CPUStatus & IMEM_RDY)
130 } while (iCheckTime--);
131 if (!(CPUStatus & IMEM_RDY)) {
132 RT_TRACE(COMP_ERR, "%s(): failed to enable CPU", __func__);
138 FIRMWARE_8192S_STATUS
139 FirmwareGetNextStatus(FIRMWARE_8192S_STATUS FWCurrentStatus)
141 FIRMWARE_8192S_STATUS NextFWStatus = 0;
143 switch(FWCurrentStatus)
146 NextFWStatus = FW_STATUS_LOAD_IMEM;
149 case FW_STATUS_LOAD_IMEM:
150 NextFWStatus = FW_STATUS_LOAD_EMEM;
153 case FW_STATUS_LOAD_EMEM:
154 NextFWStatus = FW_STATUS_LOAD_DMEM;
157 case FW_STATUS_LOAD_DMEM:
158 NextFWStatus = FW_STATUS_READY;
162 RT_TRACE(COMP_ERR,"Invalid FW Status(%#x)!!\n", FWCurrentStatus);
168 bool FirmwareCheckReady(struct net_device *dev, u8 LoadFWStatus)
170 struct r8192_priv *priv = ieee80211_priv(dev);
171 bool rtStatus = true;
172 rt_firmware *pFirmware = priv->pFirmware;
173 int PollingCnt = 1000;
177 pFirmware->FWStatus = (FIRMWARE_8192S_STATUS)LoadFWStatus;
178 switch (LoadFWStatus) {
179 case FW_STATUS_LOAD_IMEM:
180 do { /* Polling IMEM code done. */
181 CPUStatus = read_nic_byte(dev, TCR);
182 if(CPUStatus& IMEM_CODE_DONE)
185 } while (PollingCnt--);
186 if (!(CPUStatus & IMEM_CHK_RPT) || PollingCnt <= 0) {
187 RT_TRACE(COMP_ERR, "FW_STATUS_LOAD_IMEM FAIL CPU, Status=%x\r\n", CPUStatus);
188 goto FirmwareCheckReadyFail;
191 case FW_STATUS_LOAD_EMEM: /* Check Put Code OK and Turn On CPU */
192 do { /* Polling EMEM code done. */
193 CPUStatus = read_nic_byte(dev, TCR);
194 if(CPUStatus& EMEM_CODE_DONE)
197 } while (PollingCnt--);
198 if (!(CPUStatus & EMEM_CHK_RPT)) {
199 RT_TRACE(COMP_ERR, "FW_STATUS_LOAD_EMEM FAIL CPU, Status=%x\r\n", CPUStatus);
200 goto FirmwareCheckReadyFail;
203 if (FirmwareEnableCPU(dev) != true) {
204 RT_TRACE(COMP_ERR, "%s(): failed to enable CPU",
206 goto FirmwareCheckReadyFail;
209 case FW_STATUS_LOAD_DMEM:
210 do { /* Polling DMEM code done */
211 CPUStatus = read_nic_byte(dev, TCR);
212 if(CPUStatus& DMEM_CODE_DONE)
216 } while (PollingCnt--);
218 if (!(CPUStatus & DMEM_CODE_DONE)) {
219 RT_TRACE(COMP_ERR, "Polling DMEM code done fail ! CPUStatus(%#x)\n", CPUStatus);
220 goto FirmwareCheckReadyFail;
223 RT_TRACE(COMP_FIRMWARE, "%s(): DMEM code download success, "
225 __func__, CPUStatus);
227 PollingCnt = 10000; /* Set polling cycle to 10ms. */
229 do { /* Polling Load Firmware ready */
230 CPUStatus = read_nic_byte(dev, TCR);
231 if(CPUStatus & FWRDY)
234 } while (PollingCnt--);
236 RT_TRACE(COMP_FIRMWARE, "%s(): polling load firmware ready, "
238 __func__, CPUStatus);
240 if ((CPUStatus & LOAD_FW_READY) != LOAD_FW_READY) {
241 RT_TRACE(COMP_ERR, "Polling Load Firmware ready failed "
242 "CPUStatus(%x)\n", CPUStatus);
243 goto FirmwareCheckReadyFail;
246 * USB interface will update
247 * reserved followings parameters later
251 // <Roger_Notes> If right here, we can set TCR/RCR to desired value
252 // and config MAC lookback mode to normal mode. 2008.08.28.
254 tmpU4b = read_nic_dword(dev,TCR);
255 write_nic_dword(dev, TCR, (tmpU4b&(~TCR_ICV)));
257 tmpU4b = read_nic_dword(dev, RCR);
258 write_nic_dword(dev, RCR,
259 (tmpU4b|RCR_APPFCS|RCR_APP_ICV|RCR_APP_MIC));
261 RT_TRACE(COMP_FIRMWARE, "%s(): Current RCR settings(%#x)",
263 // Set to normal mode.
264 write_nic_byte(dev, LBKMD_SEL, LBK_NORMAL);
269 RT_TRACE(COMP_FIRMWARE, "%s(): LoadFWStatus(%d), success",
270 __func__, LoadFWStatus);
273 FirmwareCheckReadyFail:
275 RT_TRACE(COMP_FIRMWARE, "%s(): LoadFWStatus(%d), failed",
276 __func__, LoadFWStatus);
281 // Description: This routine is to update the RF types in FW header partially.
283 // Created by Roger, 2008.12.24.
285 u8 FirmwareHeaderMapRfType(struct net_device *dev)
287 struct r8192_priv *priv = ieee80211_priv(dev);
288 switch(priv->rf_type)
290 case RF_1T1R: return 0x11;
291 case RF_1T2R: return 0x12;
292 case RF_2T2R: return 0x22;
293 case RF_2T2R_GREEN: return 0x92;
295 RT_TRACE(COMP_INIT, "Unknown RF type(%x)\n",priv->rf_type);
303 // Description: This routine is to update the private parts in FW header partially.
305 // Created by Roger, 2008.12.18.
307 void FirmwareHeaderPriveUpdate(struct net_device *dev, PRT_8192S_FIRMWARE_PRIV pFwPriv)
309 struct r8192_priv *priv = ieee80211_priv(dev);
310 // Update USB endpoint number for RQPN settings.
311 pFwPriv->usb_ep_num = priv->EEPROMUsbEndPointNumber; // endpoint number: 4, 6 and 11.
312 RT_TRACE(COMP_INIT, "FirmwarePriveUpdate(): usb_ep_num(%#x)\n", pFwPriv->usb_ep_num);
314 // Update RF types for RATR settings.
315 pFwPriv->rf_config = FirmwareHeaderMapRfType(dev);
318 bool FirmwareRequest92S(struct net_device *dev, rt_firmware *pFirmware)
320 struct r8192_priv *priv = ieee80211_priv(dev);
321 bool rtStatus = true;
322 const char *pFwImageFileName[1] = {"RTL8192SU/rtl8192sfw.bin"};
323 u8 *pucMappedFile = NULL;
325 u8 FwHdrSize = RT_8192S_FIRMWARE_HDR_SIZE;
326 PRT_8192S_FIRMWARE_HDR pFwHdr = NULL;
329 const struct firmware *fw_entry;
331 rc = request_firmware(&fw_entry,
332 pFwImageFileName[ulInitStep],
335 goto RequestFirmware_Fail;
337 if (fw_entry->size > sizeof(pFirmware->szFwTmpBuffer)) {
338 RT_TRACE(COMP_ERR, "%s(): image file too large"
339 "for container buffer", __func__);
340 release_firmware(fw_entry);
341 goto RequestFirmware_Fail;
344 memcpy(pFirmware->szFwTmpBuffer, fw_entry->data, fw_entry->size);
345 pFirmware->szFwTmpBufferLen = fw_entry->size;
346 release_firmware(fw_entry);
348 pucMappedFile = pFirmware->szFwTmpBuffer;
349 file_length = pFirmware->szFwTmpBufferLen;
351 /* Retrieve FW header. */
352 pFirmware->pFwHeader = (PRT_8192S_FIRMWARE_HDR) pucMappedFile;
353 pFwHdr = pFirmware->pFwHeader;
355 RT_TRACE(COMP_FIRMWARE, "%s(): signature: %x, version: %x, "
356 "size: %x, imemsize: %x, sram size: %x",
357 __func__, pFwHdr->Signature, pFwHdr->Version,
358 pFwHdr->DMEMSize, pFwHdr->IMG_IMEM_SIZE,
359 pFwHdr->IMG_SRAM_SIZE);
361 pFirmware->FirmwareVersion = byte(pFwHdr->Version , 0);
363 if ((pFwHdr->IMG_IMEM_SIZE == 0) ||
364 (pFwHdr->IMG_IMEM_SIZE > sizeof(pFirmware->FwIMEM))) {
365 RT_TRACE(COMP_ERR, "%s(): memory for data image is less than"
366 " IMEM requires", __func__);
367 goto RequestFirmware_Fail;
369 pucMappedFile += FwHdrSize;
370 /* Retrieve IMEM image. */
371 memcpy(pFirmware->FwIMEM, pucMappedFile, pFwHdr->IMG_IMEM_SIZE);
372 pFirmware->FwIMEMLen = pFwHdr->IMG_IMEM_SIZE;
375 if (pFwHdr->IMG_SRAM_SIZE > sizeof(pFirmware->FwEMEM)) {
376 RT_TRACE(COMP_ERR, "%s(): memory for data image is less than"
377 " EMEM requires", __func__);
378 goto RequestFirmware_Fail;
380 pucMappedFile += pFirmware->FwIMEMLen;
381 /* Retriecve EMEM image */
382 memcpy(pFirmware->FwEMEM, pucMappedFile, pFwHdr->IMG_SRAM_SIZE);
383 pFirmware->FwEMEMLen = pFwHdr->IMG_SRAM_SIZE;
387 RequestFirmware_Fail:
388 RT_TRACE(COMP_ERR, "%s(): failed with TCR-Status: %x\n",
389 __func__, read_nic_word(dev, TCR));
394 bool FirmwareDownload92S(struct net_device *dev)
396 struct r8192_priv *priv = ieee80211_priv(dev);
397 bool rtStatus = true;
398 u8 *pucMappedFile = NULL;
400 u8 FwHdrSize = RT_8192S_FIRMWARE_HDR_SIZE;
401 rt_firmware *pFirmware = priv->pFirmware;
402 u8 FwStatus = FW_STATUS_INIT;
403 PRT_8192S_FIRMWARE_HDR pFwHdr = NULL;
404 PRT_8192S_FIRMWARE_PRIV pFwPriv = NULL;
406 pFirmware->FWStatus = FW_STATUS_INIT;
408 * Load the firmware from RTL8192SU/rtl8192sfw.bin if necessary
410 if (pFirmware->szFwTmpBufferLen == 0) {
411 if (FirmwareRequest92S(dev, pFirmware) != true)
412 goto DownloadFirmware_Fail;
414 FwStatus = FirmwareGetNextStatus(pFirmware->FWStatus);
415 while (FwStatus != FW_STATUS_READY) {
416 /* Image buffer redirection. */
418 case FW_STATUS_LOAD_IMEM:
419 pucMappedFile = pFirmware->FwIMEM;
420 ulFileLength = pFirmware->FwIMEMLen;
423 case FW_STATUS_LOAD_EMEM:
424 pucMappedFile = pFirmware->FwEMEM;
425 ulFileLength = pFirmware->FwEMEMLen;
428 case FW_STATUS_LOAD_DMEM:
429 /* Partial update the content of private header */
430 pFwHdr = pFirmware->pFwHeader;
431 pFwPriv = (PRT_8192S_FIRMWARE_PRIV)&pFwHdr->FWPriv;
432 FirmwareHeaderPriveUpdate(dev, pFwPriv);
433 pucMappedFile = (u8 *)(pFirmware->pFwHeader) +
434 RT_8192S_FIRMWARE_HDR_EXCLUDE_PRI_SIZE;
436 ulFileLength = FwHdrSize -
437 RT_8192S_FIRMWARE_HDR_EXCLUDE_PRI_SIZE;
441 RT_TRACE(COMP_ERR, "Unexpected Download step!!\n");
442 goto DownloadFirmware_Fail;
446 /* <2> Download image file */
448 rtStatus = FirmwareDownloadCode(dev,
453 goto DownloadFirmware_Fail;
455 /* <3> Check whether load FW process is ready */
457 rtStatus = FirmwareCheckReady(dev, FwStatus);
460 goto DownloadFirmware_Fail;
462 FwStatus = FirmwareGetNextStatus(pFirmware->FWStatus);
465 RT_TRACE(COMP_FIRMWARE, "%s(): Firmware Download Success", __func__);
468 DownloadFirmware_Fail:
469 RT_TRACE(COMP_ERR, "%s(): failed with TCR-Status: %x\n",
470 __func__, read_nic_word(dev, TCR));
475 MODULE_FIRMWARE("RTL8192SU/rtl8192sfw.bin");