[deliverable/linux.git] / drivers / staging / bcm / InterfaceDld.c

#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(struct bcm_target_params), GFP_KERNEL);
		if (Adapter->pstargetparams == NULL)
			return -ENOMEM;
	}

	if (psFwInfo->u32FirmwareLength != sizeof(struct bcm_target_params))
		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(struct bcm_target_params), 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;
}

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;
		}

		if (memcmp(readbackbuff, mappedbuffer, len) != 0) {
			pr_err("%s() failed.  The firmware doesn't match what was written",
			       __func__);
			retval = -EIO;
		}

		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;
}
Commit	Line	Data
f8942e07 SH	1	#include "headers.h"
f8942e07 SH	2
43664e14	3	int InterfaceFileDownload(PVOID arg, struct file *flp, unsigned int on_chip_loc)
f8942e07	4	{
a5e4b81e	5	/* unsigned int reg = 0; */
43664e14	6	mm_segment_t oldfs = {0};
a5e4b81e	7	int errno = 0, len = 0; /* ,is_config_file = 0 */
43664e14	8	loff_t pos = 0;
d6861cfe	9	struct bcm_interface_adapter psIntfAdapter = (struct bcm_interface_adapter )arg;
2979460d	10	/* struct bcm_mini_adapter Adapter = psIntfAdapter->psAdapter; /
43664e14	11	char *buff = kmalloc(MAX_TRANSFER_CTRL_BYTE_USB, GFP_KERNEL);
f8942e07	12
43664e14 MPS	13	if (!buff)
43664e14 MPS	14	return -ENOMEM;
f8942e07	15
43664e14 MPS	16	while (1) {
	17	oldfs = get_fs();
	18	set_fs(get_ds());
	19	len = vfs_read(flp, (void __force __user *)buff,
a5e4b81e	20	MAX_TRANSFER_CTRL_BYTE_USB, &pos);
43664e14 MPS	21	set_fs(oldfs);
	22	if (len <= 0) {
	23	if (len < 0) {
	24	BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,
	25	DBG_TYPE_INITEXIT, MP_INIT,
	26	DBG_LVL_ALL, "len < 0");
	27	errno = len;
	28	} else {
	29	errno = 0;
	30	BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,
	31	DBG_TYPE_INITEXIT, MP_INIT,
	32	DBG_LVL_ALL,
	33	"Got end of file!");
	34	}
	35	break;
	36	}
	37	/* BCM_DEBUG_PRINT_BUFFER(Adapter,DBG_TYPE_INITEXIT, MP_INIT,
a5e4b81e KM	38	* DBG_LVL_ALL, buff,
	39	* MAX_TRANSFER_CTRL_BYTE_USB);
	40	*/
43664e14 MPS	41	errno = InterfaceWRM(psIntfAdapter, on_chip_loc, buff, len);
	42	if (errno) {
	43	BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,
	44	DBG_TYPE_PRINTK, 0, 0,
	45	"WRM Failed! status: %d", errno);
	46	break;
f8942e07	47	}
43664e14 MPS	48	on_chip_loc += MAX_TRANSFER_CTRL_BYTE_USB;
43664e14 MPS	49	}
f8942e07	50
082e889b	51	kfree(buff);
43664e14	52	return errno;
f8942e07 SH	53	}
f8942e07 SH	54
a5e4b81e	55	int InterfaceFileReadbackFromChip(PVOID arg, struct file *flp, unsigned int on_chip_loc)
f8942e07	56	{
43664e14 MPS	57	char buff, buff_readback;
43664e14 MPS	58	unsigned int reg = 0;
a5e4b81e KM	59	mm_segment_t oldfs = {0};
	60	int errno = 0, len = 0, is_config_file = 0;
	61	loff_t pos = 0;
a8658182	62	static int fw_down;
a5e4b81e	63	INT Status = STATUS_SUCCESS;
d6861cfe	64	struct bcm_interface_adapter psIntfAdapter = (struct bcm_interface_adapter )arg;
41c7b7c0	65	int bytes;
f8942e07	66
a5e4b81e KM	67	buff = kmalloc(MAX_TRANSFER_CTRL_BYTE_USB, GFP_DMA);
	68	buff_readback = kmalloc(MAX_TRANSFER_CTRL_BYTE_USB , GFP_DMA);
	69	if (!buff \|\| !buff_readback) {
	70	kfree(buff);
	71	kfree(buff_readback);
f8942e07	72
a5e4b81e KM	73	return -ENOMEM;
a5e4b81e KM	74	}
f8942e07	75
a5e4b81e	76	is_config_file = (on_chip_loc == CONFIG_BEGIN_ADDR) ? 1 : 0;
f8942e07 SH	77
	78	memset(buff_readback, 0, MAX_TRANSFER_CTRL_BYTE_USB);
	79	memset(buff, 0, MAX_TRANSFER_CTRL_BYTE_USB);
a5e4b81e KM	80	while (1) {
	81	oldfs = get_fs();
	82	set_fs(get_ds());
	83	len = vfs_read(flp, (void __force __user *)buff, MAX_TRANSFER_CTRL_BYTE_USB, &pos);
	84	set_fs(oldfs);
	85	fw_down++;
f8942e07	86
a5e4b81e KM	87	if (len <= 0) {
	88	if (len < 0) {
	89	BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "len < 0");
	90	errno = len;
	91	} else {
	92	errno = 0;
	93	BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Got end of file!");
	94	}
	95	break;
	96	}
f8942e07	97
41c7b7c0 KM	98	bytes = InterfaceRDM(psIntfAdapter, on_chip_loc, buff_readback, len);
	99	if (bytes < 0) {
	100	Status = bytes;
a5e4b81e	101	BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "RDM of len %d Failed! %d", len, reg);
f8942e07 SH	102	goto exit;
	103	}
	104	reg++;
a5e4b81e KM	105	if ((len-sizeof(unsigned int)) < 4) {
	106	if (memcmp(buff_readback, buff, len)) {
	107	BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Firmware Download is not proper %d", fw_down);
	108	BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Length is: %d", len);
f8942e07 SH	109	Status = -EIO;
f8942e07 SH	110	goto exit;
a5e4b81e KM	111	}
	112	} else {
	113	len -= 4;
	114
	115	while (len) {
	116	if ((unsigned int )&buff_readback[len] != (unsigned int )&buff[len]) {
	117	BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Firmware Download is not proper %d", fw_down);
	118	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]);
	119	BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "len =%x!!!", len);
f8942e07 SH	120	Status = -EIO;
f8942e07 SH	121	goto exit;
a5e4b81e KM	122	}
	123	len -= 4;
	124	}
	125	}
	126	on_chip_loc += MAX_TRANSFER_CTRL_BYTE_USB;
	127	} /* End of while(1) */
	128
f8942e07	129	exit:
a5e4b81e KM	130	kfree(buff);
a5e4b81e KM	131	kfree(buff_readback);
f8942e07 SH	132	return Status;
	133	}
	134
2979460d	135	static int bcm_download_config_file(struct bcm_mini_adapter Adapter, struct bcm_firmware_info psFwInfo)
f8942e07 SH	136	{
	137	int retval = STATUS_SUCCESS;
	138	B_UINT32 value = 0;
	139
a5e4b81e	140	if (Adapter->pstargetparams == NULL) {
c8182334	141	Adapter->pstargetparams = kmalloc(sizeof(struct bcm_target_params), GFP_KERNEL);
a8658182	142	if (Adapter->pstargetparams == NULL)
a5e4b81e	143	return -ENOMEM;
f8942e07	144	}
a5e4b81e	145
c8182334	146	if (psFwInfo->u32FirmwareLength != sizeof(struct bcm_target_params))
a5e4b81e KM	147	return -EIO;
	148
	149	retval = copy_from_user(Adapter->pstargetparams, psFwInfo->pvMappedFirmwareAddress, psFwInfo->u32FirmwareLength);
	150	if (retval) {
082e889b	151	kfree(Adapter->pstargetparams);
f8942e07	152	Adapter->pstargetparams = NULL;
ef5d2056	153	return -EFAULT;
f8942e07	154	}
a5e4b81e	155
f8942e07 SH	156	/* Parse the structure and then Download the Firmware */
	157	beceem_parse_target_struct(Adapter);
	158
a5e4b81e	159	/* Initializing the NVM. */
f8942e07	160	BcmInitNVM(Adapter);
a5e4b81e	161	retval = InitLedSettings(Adapter);
f8942e07	162
a5e4b81e KM	163	if (retval) {
a5e4b81e KM	164	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "INIT LED Failed\n");
f8942e07 SH	165	return retval;
	166	}
	167
a5e4b81e	168	if (Adapter->LEDInfo.led_thread_running & BCM_LED_THREAD_RUNNING_ACTIVELY) {
f8942e07 SH	169	Adapter->LEDInfo.bLedInitDone = FALSE;
	170	Adapter->DriverState = DRIVER_INIT;
	171	wake_up(&Adapter->LEDInfo.notify_led_event);
	172	}
	173
a5e4b81e	174	if (Adapter->LEDInfo.led_thread_running & BCM_LED_THREAD_RUNNING_ACTIVELY) {
f8942e07 SH	175	Adapter->DriverState = FW_DOWNLOAD;
	176	wake_up(&Adapter->LEDInfo.notify_led_event);
	177	}
	178
	179	/* Initialize the DDR Controller */
	180	retval = ddr_init(Adapter);
a5e4b81e KM	181	if (retval) {
a5e4b81e KM	182	BCM_DEBUG_PRINT (Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "DDR Init Failed\n");
f8942e07 SH	183	return retval;
	184	}
	185
	186	value = 0;
	187	wrmalt(Adapter, EEPROM_CAL_DATA_INTERNAL_LOC - 4, &value, sizeof(value));
	188	wrmalt(Adapter, EEPROM_CAL_DATA_INTERNAL_LOC - 8, &value, sizeof(value));
	189
a5e4b81e	190	if (Adapter->eNVMType == NVM_FLASH) {
f8942e07	191	retval = PropagateCalParamsFromFlashToMemory(Adapter);
a5e4b81e KM	192	if (retval) {
a5e4b81e KM	193	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "propagaion of cal param failed with status :%d", retval);
f8942e07 SH	194	return retval;
	195	}
	196	}
	197
c8182334	198	retval = buffDnldVerify(Adapter, (PUCHAR)Adapter->pstargetparams, sizeof(struct bcm_target_params), CONFIG_BEGIN_ADDR);
f8942e07	199
a5e4b81e KM	200	if (retval)
a5e4b81e KM	201	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "configuration file not downloaded properly");
f8942e07 SH	202	else
	203	Adapter->bCfgDownloaded = TRUE;
	204
f8942e07 SH	205	return retval;
f8942e07 SH	206	}
a5e4b81e	207
2979460d	208	int bcm_ioctl_fw_download(struct bcm_mini_adapter Adapter, struct bcm_firmware_info psFwInfo)
f8942e07 SH	209	{
	210	int retval = STATUS_SUCCESS;
	211	PUCHAR buff = NULL;
	212
a5e4b81e KM	213	/* Config File is needed for the Driver to download the Config file and
	214	* Firmware. Check for the Config file to be first to be sent from the
	215	* Application
	216	*/
	217	atomic_set(&Adapter->uiMBupdate, FALSE);
	218	if (!Adapter->bCfgDownloaded && psFwInfo->u32StartingAddress != CONFIG_BEGIN_ADDR) {
	219	/* Can't Download Firmware. */
	220	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Download the config File first\n");
f8942e07 SH	221	return -EINVAL;
	222	}
	223
	224	/* If Config File, Finish the DDR Settings and then Download CFG File */
a5e4b81e KM	225	if (psFwInfo->u32StartingAddress == CONFIG_BEGIN_ADDR) {
	226	retval = bcm_download_config_file(Adapter, psFwInfo);
	227	} else {
	228	buff = kzalloc(psFwInfo->u32FirmwareLength, GFP_KERNEL);
	229	if (buff == NULL) {
	230	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Failed in allocation memory");
f8942e07 SH	231	return -ENOMEM;
f8942e07 SH	232	}
a5e4b81e KM	233
	234	retval = copy_from_user(buff, psFwInfo->pvMappedFirmwareAddress, psFwInfo->u32FirmwareLength);
	235	if (retval != STATUS_SUCCESS) {
	236	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "copying buffer from user space failed");
ef5d2056	237	retval = -EFAULT;
a5e4b81e	238	goto error;
f8942e07 SH	239	}
f8942e07 SH	240
f8942e07 SH	241	retval = buffDnldVerify(Adapter,
	242	buff,
	243	psFwInfo->u32FirmwareLength,
	244	psFwInfo->u32StartingAddress);
a5e4b81e KM	245
	246	if (retval != STATUS_SUCCESS) {
	247	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "f/w download failed status :%d", retval);
f8942e07 SH	248	goto error;
	249	}
	250	}
a5e4b81e	251
f8942e07	252	error:
082e889b	253	kfree(buff);
f8942e07 SH	254	return retval;
	255	}
	256
2979460d	257	static INT buffDnld(struct bcm_mini_adapter *Adapter, PUCHAR mappedbuffer, UINT u32FirmwareLength, ULONG u32StartingAddress)
f8942e07	258	{
a5e4b81e	259	unsigned int len = 0;
f8942e07 SH	260	int retval = STATUS_SUCCESS;
	261	len = u32FirmwareLength;
	262
a5e4b81e KM	263	while (u32FirmwareLength) {
	264	len = MIN_VAL(u32FirmwareLength, MAX_TRANSFER_CTRL_BYTE_USB);
	265	retval = wrm(Adapter, u32StartingAddress, mappedbuffer, len);
	266
	267	if (retval) {
	268	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "wrm failed with status :%d", retval);
f8942e07 SH	269	break;
f8942e07 SH	270	}
a5e4b81e KM	271	u32StartingAddress += len;
	272	u32FirmwareLength -= len;
	273	mappedbuffer += len;
f8942e07 SH	274	}
f8942e07 SH	275	return retval;
f8942e07 SH	276	}
f8942e07 SH	277
2979460d	278	static INT buffRdbkVerify(struct bcm_mini_adapter *Adapter, PUCHAR mappedbuffer, UINT u32FirmwareLength, ULONG u32StartingAddress)
f8942e07	279	{
f8942e07 SH	280	UINT len = u32FirmwareLength;
f8942e07 SH	281	INT retval = STATUS_SUCCESS;
a5e4b81e	282	PUCHAR readbackbuff = kzalloc(MAX_TRANSFER_CTRL_BYTE_USB, GFP_KERNEL);
41c7b7c0	283	int bytes;
f8942e07	284
a5e4b81e KM	285	if (NULL == readbackbuff) {
a5e4b81e KM	286	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "MEMORY ALLOCATION FAILED");
f8942e07 SH	287	return -ENOMEM;
f8942e07 SH	288	}
f8942e07	289
a5e4b81e KM	290	while (u32FirmwareLength && !retval) {
a5e4b81e KM	291	len = MIN_VAL(u32FirmwareLength, MAX_TRANSFER_CTRL_BYTE_USB);
41c7b7c0	292	bytes = rdm(Adapter, u32StartingAddress, readbackbuff, len);
f8942e07	293
41c7b7c0 KM	294	if (bytes < 0) {
41c7b7c0 KM	295	retval = bytes;
a5e4b81e	296	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "rdm failed with status %d", retval);
f8942e07 SH	297	break;
	298	}
	299
2c5270ac DC	300	if (memcmp(readbackbuff, mappedbuffer, len) != 0) {
	301	pr_err("%s() failed. The firmware doesn't match what was written",
	302	__func__);
	303	retval = -EIO;
	304	}
a5e4b81e KM	305
	306	u32StartingAddress += len;
	307	u32FirmwareLength -= len;
	308	mappedbuffer += len;
	309
	310	} /* end of while (u32FirmwareLength && !retval) */
082e889b	311	kfree(readbackbuff);
f8942e07 SH	312	return retval;
	313	}
	314
2979460d	315	INT buffDnldVerify(struct bcm_mini_adapter Adapter, unsigned char mappedbuffer, unsigned int u32FirmwareLength, unsigned long u32StartingAddress)
f8942e07 SH	316	{
	317	INT status = STATUS_SUCCESS;
	318
a5e4b81e KM	319	status = buffDnld(Adapter, mappedbuffer, u32FirmwareLength, u32StartingAddress);
	320	if (status != STATUS_SUCCESS) {
	321	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Buffer download failed");
f8942e07 SH	322	goto error;
	323	}
	324
a5e4b81e KM	325	status = buffRdbkVerify(Adapter, mappedbuffer, u32FirmwareLength, u32StartingAddress);
	326	if (status != STATUS_SUCCESS) {
	327	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Buffer readback verifier failed");
f8942e07 SH	328	goto error;
	329	}
	330	error:
	331	return status;
	332	}