summaryrefslogtreecommitdiffstats
path: root/drivers/staging/bcm/InterfaceDld.c
blob: 87117a797d5bff1b78efec79d342eb133f010df8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
#include "headers.h"

int InterfaceFileDownload(PVOID arg, struct file *flp, unsigned int on_chip_loc)
{
	/* unsigned int reg = 0; */
	mm_segment_t oldfs = {0};
	int errno = 0, len = 0; /* ,is_config_file = 0 */
	loff_t pos = 0;
	struct bcm_interface_adapter *psIntfAdapter = (struct bcm_interface_adapter *)arg;
	/* struct bcm_mini_adapter *Adapter = psIntfAdapter->psAdapter; */
	char *buff = kmalloc(MAX_TRANSFER_CTRL_BYTE_USB, GFP_KERNEL);

	if (!buff)
		return -ENOMEM;

	while (1) {
		oldfs = get_fs();
		set_fs(get_ds());
		len = vfs_read(flp, (void __force __user *)buff,
			MAX_TRANSFER_CTRL_BYTE_USB, &pos);
		set_fs(oldfs);
		if (len <= 0) {
			if (len < 0) {
				BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,
						DBG_TYPE_INITEXIT, MP_INIT,
						DBG_LVL_ALL, "len < 0");
				errno = len;
			} else {
				errno = 0;
				BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,
						DBG_TYPE_INITEXIT, MP_INIT,
						DBG_LVL_ALL,
						"Got end of file!");
			}
			break;
		}
		/* BCM_DEBUG_PRINT_BUFFER(Adapter,DBG_TYPE_INITEXIT, MP_INIT,
		 *			  DBG_LVL_ALL, buff,
		 *			  MAX_TRANSFER_CTRL_BYTE_USB);
		 */
		errno = InterfaceWRM(psIntfAdapter, on_chip_loc, buff, len);
		if (errno) {
			BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,
					DBG_TYPE_PRINTK, 0, 0,
					"WRM Failed! status: %d", errno);
			break;
		}
		on_chip_loc += MAX_TRANSFER_CTRL_BYTE_USB;
	}

	kfree(buff);
	return errno;
}

int InterfaceFileReadbackFromChip(PVOID arg, struct file *flp, unsigned int on_chip_loc)
{
	char *buff, *buff_readback;
	unsigned int reg = 0;
	mm_segment_t oldfs = {0};
	int errno = 0, len = 0, is_config_file = 0;
	loff_t pos = 0;
	static int fw_down;
	INT Status = STATUS_SUCCESS;
	struct bcm_interface_adapter *psIntfAdapter = (struct bcm_interface_adapter *)arg;
	int bytes;

	buff = kmalloc(MAX_TRANSFER_CTRL_BYTE_USB, GFP_DMA);
	buff_readback = kmalloc(MAX_TRANSFER_CTRL_BYTE_USB , GFP_DMA);
	if (!buff || !buff_readback) {
		kfree(buff);
		kfree(buff_readback);

		return -ENOMEM;
	}

	is_config_file = (on_chip_loc == CONFIG_BEGIN_ADDR) ? 1 : 0;

	memset(buff_readback, 0, MAX_TRANSFER_CTRL_BYTE_USB);
	memset(buff, 0, MAX_TRANSFER_CTRL_BYTE_USB);
	while (1) {
		oldfs = get_fs();
		set_fs(get_ds());
		len = vfs_read(flp, (void __force __user *)buff, MAX_TRANSFER_CTRL_BYTE_USB, &pos);
		set_fs(oldfs);
		fw_down++;

		if (len <= 0) {
			if (len < 0) {
				BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "len < 0");
				errno = len;
			} else {
				errno = 0;
				BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Got end of file!");
			}
			break;
		}

		bytes = InterfaceRDM(psIntfAdapter, on_chip_loc, buff_readback, len);
		if (bytes < 0) {
			Status = bytes;
			BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "RDM of len %d Failed! %d", len, reg);
			goto exit;
		}
		reg++;
		if ((len-sizeof(unsigned int)) < 4) {
			if (memcmp(buff_readback, buff, len)) {
				BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Firmware Download is not proper %d", fw_down);
				BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Length is: %d", len);
				Status = -EIO;
				goto exit;
			}
		} else {
			len -= 4;

			while (len) {
				if (*(unsigned int *)&buff_readback[len] != *(unsigned int *)&buff[len]) {
					BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Firmware Download is not proper %d", fw_down);
					BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Val from Binary %x, Val From Read Back %x ", *(unsigned int *)&buff[len], *(unsigned int*)&buff_readback[len]);
					BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "len =%x!!!", len);
					Status = -EIO;
					goto exit;
				}
				len -= 4;
			}
		}
		on_chip_loc += MAX_TRANSFER_CTRL_BYTE_USB;
	} /* End of while(1) */

exit:
	kfree(buff);
	kfree(buff_readback);
	return Status;
}

static int bcm_download_config_file(struct bcm_mini_adapter *Adapter, struct bcm_firmware_info *psFwInfo)
{
	int retval = STATUS_SUCCESS;
	B_UINT32 value = 0;

	if (Adapter->pstargetparams == NULL) {
		Adapter->pstargetparams = kmalloc(sizeof(STARGETPARAMS), GFP_KERNEL);
		if (Adapter->pstargetparams == NULL)
			return -ENOMEM;
	}

	if (psFwInfo->u32FirmwareLength != sizeof(STARGETPARAMS))
		return -EIO;

	retval = copy_from_user(Adapter->pstargetparams, psFwInfo->pvMappedFirmwareAddress, psFwInfo->u32FirmwareLength);
	if (retval) {
		kfree(Adapter->pstargetparams);
		Adapter->pstargetparams = NULL;
		return -EFAULT;
	}

	/* Parse the structure and then Download the Firmware */
	beceem_parse_target_struct(Adapter);

	/* Initializing the NVM. */
	BcmInitNVM(Adapter);
	retval = InitLedSettings(Adapter);

	if (retval) {
		BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "INIT LED Failed\n");
		return retval;
	}

	if (Adapter->LEDInfo.led_thread_running & BCM_LED_THREAD_RUNNING_ACTIVELY) {
		Adapter->LEDInfo.bLedInitDone = FALSE;
		Adapter->DriverState = DRIVER_INIT;
		wake_up(&Adapter->LEDInfo.notify_led_event);
	}

	if (Adapter->LEDInfo.led_thread_running & BCM_LED_THREAD_RUNNING_ACTIVELY) {
		Adapter->DriverState = FW_DOWNLOAD;
		wake_up(&Adapter->LEDInfo.notify_led_event);
	}

	/* Initialize the DDR Controller */
	retval = ddr_init(Adapter);
	if (retval) {
		BCM_DEBUG_PRINT (Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "DDR Init Failed\n");
		return retval;
	}

	value = 0;
	wrmalt(Adapter, EEPROM_CAL_DATA_INTERNAL_LOC - 4, &value, sizeof(value));
	wrmalt(Adapter, EEPROM_CAL_DATA_INTERNAL_LOC - 8, &value, sizeof(value));

	if (Adapter->eNVMType == NVM_FLASH) {
		retval = PropagateCalParamsFromFlashToMemory(Adapter);
		if (retval) {
			BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "propagaion of cal param failed with status :%d", retval);
			return retval;
		}
	}

	retval = buffDnldVerify(Adapter, (PUCHAR)Adapter->pstargetparams, sizeof(STARGETPARAMS), CONFIG_BEGIN_ADDR);

	if (retval)
		BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "configuration file not downloaded properly");
	else
		Adapter->bCfgDownloaded = TRUE;

	return retval;
}

static int bcm_compare_buff_contents(unsigned char *readbackbuff, unsigned char *buff, unsigned int len)
{
	int retval = STATUS_SUCCESS;
	struct bcm_mini_adapter *Adapter = GET_BCM_ADAPTER(gblpnetdev);
	if ((len-sizeof(unsigned int)) < 4) {
		if (memcmp(readbackbuff , buff, len))
			retval = -EINVAL;
	} else {
		len -= 4;

		while (len) {
			if (*(unsigned int *)&readbackbuff[len] != *(unsigned int *)&buff[len]) {
				BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Firmware Download is not proper");
				BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Val from Binary %x, Val From Read Back %x ", *(unsigned int *)&buff[len], *(unsigned int*)&readbackbuff[len]);
				BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "len =%x!!!", len);
				retval = -EINVAL;
				break;
			}
			len -= 4;
		}
	}
	return retval;
}

int bcm_ioctl_fw_download(struct bcm_mini_adapter *Adapter, struct bcm_firmware_info *psFwInfo)
{
	int retval = STATUS_SUCCESS;
	PUCHAR buff = NULL;

	/* Config File is needed for the Driver to download the Config file and
	 * Firmware. Check for the Config file to be first to be sent from the
	 * Application
	 */
	atomic_set(&Adapter->uiMBupdate, FALSE);
	if (!Adapter->bCfgDownloaded && psFwInfo->u32StartingAddress != CONFIG_BEGIN_ADDR) {
		/* Can't Download Firmware. */
		BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Download the config File first\n");
		return -EINVAL;
	}

	/* If Config File, Finish the DDR Settings and then Download CFG File */
	if (psFwInfo->u32StartingAddress == CONFIG_BEGIN_ADDR) {
		retval = bcm_download_config_file(Adapter, psFwInfo);
	} else {
		buff = kzalloc(psFwInfo->u32FirmwareLength, GFP_KERNEL);
		if (buff == NULL) {
			BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Failed in allocation memory");
			return -ENOMEM;
		}

		retval = copy_from_user(buff, psFwInfo->pvMappedFirmwareAddress, psFwInfo->u32FirmwareLength);
		if (retval != STATUS_SUCCESS) {
			BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "copying buffer from user space failed");
			retval = -EFAULT;
			goto error;
		}

		retval = buffDnldVerify(Adapter,
					buff,
					psFwInfo->u32FirmwareLength,
					psFwInfo->u32StartingAddress);

		if (retval != STATUS_SUCCESS) {
			BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "f/w download failed status :%d", retval);
			goto error;
		}
	}

error:
	kfree(buff);
	return retval;
}

static INT buffDnld(struct bcm_mini_adapter *Adapter, PUCHAR mappedbuffer, UINT u32FirmwareLength, ULONG u32StartingAddress)
{
	unsigned int len = 0;
	int retval = STATUS_SUCCESS;
	len = u32FirmwareLength;

	while (u32FirmwareLength) {
		len = MIN_VAL(u32FirmwareLength, MAX_TRANSFER_CTRL_BYTE_USB);
		retval = wrm(Adapter, u32StartingAddress, mappedbuffer, len);

		if (retval) {
			BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "wrm failed with status :%d", retval);
			break;
		}
		u32StartingAddress += len;
		u32FirmwareLength -= len;
		mappedbuffer += len;
	}
	return retval;
}

static INT buffRdbkVerify(struct bcm_mini_adapter *Adapter, PUCHAR mappedbuffer, UINT u32FirmwareLength, ULONG u32StartingAddress)
{
	UINT len = u32FirmwareLength;
	INT retval = STATUS_SUCCESS;
	PUCHAR readbackbuff = kzalloc(MAX_TRANSFER_CTRL_BYTE_USB, GFP_KERNEL);
	int bytes;

	if (NULL == readbackbuff) {
		BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "MEMORY ALLOCATION FAILED");
		return -ENOMEM;
	}

	while (u32FirmwareLength && !retval) {
		len = MIN_VAL(u32FirmwareLength, MAX_TRANSFER_CTRL_BYTE_USB);
		bytes = rdm(Adapter, u32StartingAddress, readbackbuff, len);

		if (bytes < 0) {
			retval = bytes;
			BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "rdm failed with status %d", retval);
			break;
		}

		retval = bcm_compare_buff_contents(readbackbuff, mappedbuffer, len);
		if (STATUS_SUCCESS != retval)
			break;

		u32StartingAddress += len;
		u32FirmwareLength -= len;
		mappedbuffer += len;

	} /* end of while (u32FirmwareLength && !retval) */
	kfree(readbackbuff);
	return retval;
}

INT buffDnldVerify(struct bcm_mini_adapter *Adapter, unsigned char *mappedbuffer, unsigned int u32FirmwareLength, unsigned long u32StartingAddress)
{
	INT status = STATUS_SUCCESS;

	status = buffDnld(Adapter, mappedbuffer, u32FirmwareLength, u32StartingAddress);
	if (status != STATUS_SUCCESS) {
		BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Buffer download failed");
		goto error;
	}

	status = buffRdbkVerify(Adapter, mappedbuffer, u32FirmwareLength, u32StartingAddress);
	if (status != STATUS_SUCCESS) {
		BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Buffer readback verifier failed");
		goto error;
	}
error:
	return status;
}