[mirror_ubuntu-bionic-kernel.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;
	PS_INTERFACE_ADAPTER psIntfAdapter = (PS_INTERFACE_ADAPTER)arg;
	/* PMINI_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;
	PS_INTERFACE_ADAPTER psIntfAdapter = (PS_INTERFACE_ADAPTER)arg;

	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;
		}

		Status = InterfaceRDM(psIntfAdapter, on_chip_loc, buff_readback, len);
		if (Status) {
			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(PMINI_ADAPTER Adapter, 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;
	PMINI_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(PMINI_ADAPTER Adapter, 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(PMINI_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(PMINI_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);

	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);
		retval = rdm(Adapter, u32StartingAddress, readbackbuff, len);

		if (retval) {
			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(PMINI_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;
f8942e07	9	PS_INTERFACE_ADAPTER psIntfAdapter = (PS_INTERFACE_ADAPTER)arg;
a5e4b81e	10	/* PMINI_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;
f8942e07 SH	64	PS_INTERFACE_ADAPTER psIntfAdapter = (PS_INTERFACE_ADAPTER)arg;
f8942e07 SH	65
a5e4b81e KM	66	buff = kmalloc(MAX_TRANSFER_CTRL_BYTE_USB, GFP_DMA);
	67	buff_readback = kmalloc(MAX_TRANSFER_CTRL_BYTE_USB , GFP_DMA);
	68	if (!buff \|\| !buff_readback) {
	69	kfree(buff);
	70	kfree(buff_readback);
f8942e07	71
a5e4b81e KM	72	return -ENOMEM;
a5e4b81e KM	73	}
f8942e07	74
a5e4b81e	75	is_config_file = (on_chip_loc == CONFIG_BEGIN_ADDR) ? 1 : 0;
f8942e07 SH	76
	77	memset(buff_readback, 0, MAX_TRANSFER_CTRL_BYTE_USB);
	78	memset(buff, 0, MAX_TRANSFER_CTRL_BYTE_USB);
a5e4b81e KM	79	while (1) {
	80	oldfs = get_fs();
	81	set_fs(get_ds());
	82	len = vfs_read(flp, (void __force __user *)buff, MAX_TRANSFER_CTRL_BYTE_USB, &pos);
	83	set_fs(oldfs);
	84	fw_down++;
f8942e07	85
a5e4b81e KM	86	if (len <= 0) {
	87	if (len < 0) {
	88	BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "len < 0");
	89	errno = len;
	90	} else {
	91	errno = 0;
	92	BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Got end of file!");
	93	}
	94	break;
	95	}
f8942e07 SH	96
f8942e07 SH	97	Status = InterfaceRDM(psIntfAdapter, on_chip_loc, buff_readback, len);
a5e4b81e KM	98	if (Status) {
a5e4b81e KM	99	BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "RDM of len %d Failed! %d", len, reg);
f8942e07 SH	100	goto exit;
	101	}
	102	reg++;
a5e4b81e KM	103	if ((len-sizeof(unsigned int)) < 4) {
	104	if (memcmp(buff_readback, buff, len)) {
	105	BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Firmware Download is not proper %d", fw_down);
	106	BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Length is: %d", len);
f8942e07 SH	107	Status = -EIO;
f8942e07 SH	108	goto exit;
a5e4b81e KM	109	}
	110	} else {
	111	len -= 4;
	112
	113	while (len) {
	114	if ((unsigned int )&buff_readback[len] != (unsigned int )&buff[len]) {
	115	BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Firmware Download is not proper %d", fw_down);
	116	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]);
	117	BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "len =%x!!!", len);
f8942e07 SH	118	Status = -EIO;
f8942e07 SH	119	goto exit;
a5e4b81e KM	120	}
	121	len -= 4;
	122	}
	123	}
	124	on_chip_loc += MAX_TRANSFER_CTRL_BYTE_USB;
	125	} /* End of while(1) */
	126
f8942e07	127	exit:
a5e4b81e KM	128	kfree(buff);
a5e4b81e KM	129	kfree(buff_readback);
f8942e07 SH	130	return Status;
	131	}
	132
a5e4b81e	133	static int bcm_download_config_file(PMINI_ADAPTER Adapter, FIRMWARE_INFO *psFwInfo)
f8942e07 SH	134	{
	135	int retval = STATUS_SUCCESS;
	136	B_UINT32 value = 0;
	137
a5e4b81e	138	if (Adapter->pstargetparams == NULL) {
a8658182 KM	139	Adapter->pstargetparams = kmalloc(sizeof(STARGETPARAMS), GFP_KERNEL);
a8658182 KM	140	if (Adapter->pstargetparams == NULL)
a5e4b81e	141	return -ENOMEM;
f8942e07	142	}
a5e4b81e KM	143
	144	if (psFwInfo->u32FirmwareLength != sizeof(STARGETPARAMS))
	145	return -EIO;
	146
	147	retval = copy_from_user(Adapter->pstargetparams, psFwInfo->pvMappedFirmwareAddress, psFwInfo->u32FirmwareLength);
	148	if (retval) {
082e889b	149	kfree(Adapter->pstargetparams);
f8942e07	150	Adapter->pstargetparams = NULL;
ef5d2056	151	return -EFAULT;
f8942e07	152	}
a5e4b81e	153
f8942e07 SH	154	/* Parse the structure and then Download the Firmware */
	155	beceem_parse_target_struct(Adapter);
	156
a5e4b81e	157	/* Initializing the NVM. */
f8942e07	158	BcmInitNVM(Adapter);
a5e4b81e	159	retval = InitLedSettings(Adapter);
f8942e07	160
a5e4b81e KM	161	if (retval) {
a5e4b81e KM	162	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "INIT LED Failed\n");
f8942e07 SH	163	return retval;
	164	}
	165
a5e4b81e	166	if (Adapter->LEDInfo.led_thread_running & BCM_LED_THREAD_RUNNING_ACTIVELY) {
f8942e07 SH	167	Adapter->LEDInfo.bLedInitDone = FALSE;
	168	Adapter->DriverState = DRIVER_INIT;
	169	wake_up(&Adapter->LEDInfo.notify_led_event);
	170	}
	171
a5e4b81e	172	if (Adapter->LEDInfo.led_thread_running & BCM_LED_THREAD_RUNNING_ACTIVELY) {
f8942e07 SH	173	Adapter->DriverState = FW_DOWNLOAD;
	174	wake_up(&Adapter->LEDInfo.notify_led_event);
	175	}
	176
	177	/* Initialize the DDR Controller */
	178	retval = ddr_init(Adapter);
a5e4b81e KM	179	if (retval) {
a5e4b81e KM	180	BCM_DEBUG_PRINT (Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "DDR Init Failed\n");
f8942e07 SH	181	return retval;
	182	}
	183
	184	value = 0;
	185	wrmalt(Adapter, EEPROM_CAL_DATA_INTERNAL_LOC - 4, &value, sizeof(value));
	186	wrmalt(Adapter, EEPROM_CAL_DATA_INTERNAL_LOC - 8, &value, sizeof(value));
	187
a5e4b81e	188	if (Adapter->eNVMType == NVM_FLASH) {
f8942e07	189	retval = PropagateCalParamsFromFlashToMemory(Adapter);
a5e4b81e KM	190	if (retval) {
a5e4b81e KM	191	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "propagaion of cal param failed with status :%d", retval);
f8942e07 SH	192	return retval;
	193	}
	194	}
	195
a5e4b81e	196	retval = buffDnldVerify(Adapter, (PUCHAR)Adapter->pstargetparams, sizeof(STARGETPARAMS), CONFIG_BEGIN_ADDR);
f8942e07	197
a5e4b81e KM	198	if (retval)
a5e4b81e KM	199	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "configuration file not downloaded properly");
f8942e07 SH	200	else
	201	Adapter->bCfgDownloaded = TRUE;
	202
f8942e07 SH	203	return retval;
f8942e07 SH	204	}
a5e4b81e KM	205
a5e4b81e KM	206	static int bcm_compare_buff_contents(unsigned char readbackbuff, unsigned char buff, unsigned int len)
f8942e07 SH	207	{
f8942e07 SH	208	int retval = STATUS_SUCCESS;
a5e4b81e KM	209	PMINI_ADAPTER Adapter = GET_BCM_ADAPTER(gblpnetdev);
	210	if ((len-sizeof(unsigned int)) < 4) {
	211	if (memcmp(readbackbuff , buff, len))
	212	retval = -EINVAL;
	213	} else {
	214	len -= 4;
	215
	216	while (len) {
	217	if ((unsigned int )&readbackbuff[len] != (unsigned int )&buff[len]) {
	218	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Firmware Download is not proper");
	219	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]);
	220	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "len =%x!!!", len);
	221	retval = -EINVAL;
f8942e07 SH	222	break;
f8942e07 SH	223	}
a5e4b81e	224	len -= 4;
f8942e07 SH	225	}
	226	}
	227	return retval;
	228	}
a5e4b81e	229
f8942e07 SH	230	int bcm_ioctl_fw_download(PMINI_ADAPTER Adapter, FIRMWARE_INFO *psFwInfo)
	231	{
	232	int retval = STATUS_SUCCESS;
	233	PUCHAR buff = NULL;
	234
a5e4b81e KM	235	/* Config File is needed for the Driver to download the Config file and
	236	* Firmware. Check for the Config file to be first to be sent from the
	237	* Application
	238	*/
	239	atomic_set(&Adapter->uiMBupdate, FALSE);
	240	if (!Adapter->bCfgDownloaded && psFwInfo->u32StartingAddress != CONFIG_BEGIN_ADDR) {
	241	/* Can't Download Firmware. */
	242	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Download the config File first\n");
f8942e07 SH	243	return -EINVAL;
	244	}
	245
	246	/* If Config File, Finish the DDR Settings and then Download CFG File */
a5e4b81e KM	247	if (psFwInfo->u32StartingAddress == CONFIG_BEGIN_ADDR) {
	248	retval = bcm_download_config_file(Adapter, psFwInfo);
	249	} else {
	250	buff = kzalloc(psFwInfo->u32FirmwareLength, GFP_KERNEL);
	251	if (buff == NULL) {
	252	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Failed in allocation memory");
f8942e07 SH	253	return -ENOMEM;
f8942e07 SH	254	}
a5e4b81e KM	255
	256	retval = copy_from_user(buff, psFwInfo->pvMappedFirmwareAddress, psFwInfo->u32FirmwareLength);
	257	if (retval != STATUS_SUCCESS) {
	258	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "copying buffer from user space failed");
ef5d2056	259	retval = -EFAULT;
a5e4b81e	260	goto error;
f8942e07 SH	261	}
f8942e07 SH	262
f8942e07 SH	263	retval = buffDnldVerify(Adapter,
	264	buff,
	265	psFwInfo->u32FirmwareLength,
	266	psFwInfo->u32StartingAddress);
a5e4b81e KM	267
	268	if (retval != STATUS_SUCCESS) {
	269	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "f/w download failed status :%d", retval);
f8942e07 SH	270	goto error;
	271	}
	272	}
a5e4b81e	273
f8942e07	274	error:
082e889b	275	kfree(buff);
f8942e07 SH	276	return retval;
	277	}
	278
a5e4b81e	279	static INT buffDnld(PMINI_ADAPTER Adapter, PUCHAR mappedbuffer, UINT u32FirmwareLength, ULONG u32StartingAddress)
f8942e07	280	{
a5e4b81e	281	unsigned int len = 0;
f8942e07 SH	282	int retval = STATUS_SUCCESS;
	283	len = u32FirmwareLength;
	284
a5e4b81e KM	285	while (u32FirmwareLength) {
	286	len = MIN_VAL(u32FirmwareLength, MAX_TRANSFER_CTRL_BYTE_USB);
	287	retval = wrm(Adapter, u32StartingAddress, mappedbuffer, len);
	288
	289	if (retval) {
	290	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "wrm failed with status :%d", retval);
f8942e07 SH	291	break;
f8942e07 SH	292	}
a5e4b81e KM	293	u32StartingAddress += len;
	294	u32FirmwareLength -= len;
	295	mappedbuffer += len;
f8942e07 SH	296	}
f8942e07 SH	297	return retval;
f8942e07 SH	298	}
f8942e07 SH	299
a5e4b81e	300	static INT buffRdbkVerify(PMINI_ADAPTER Adapter, PUCHAR mappedbuffer, UINT u32FirmwareLength, ULONG u32StartingAddress)
f8942e07	301	{
f8942e07 SH	302	UINT len = u32FirmwareLength;
f8942e07 SH	303	INT retval = STATUS_SUCCESS;
a5e4b81e	304	PUCHAR readbackbuff = kzalloc(MAX_TRANSFER_CTRL_BYTE_USB, GFP_KERNEL);
f8942e07	305
a5e4b81e KM	306	if (NULL == readbackbuff) {
a5e4b81e KM	307	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "MEMORY ALLOCATION FAILED");
f8942e07 SH	308	return -ENOMEM;
f8942e07 SH	309	}
f8942e07	310
a5e4b81e KM	311	while (u32FirmwareLength && !retval) {
	312	len = MIN_VAL(u32FirmwareLength, MAX_TRANSFER_CTRL_BYTE_USB);
	313	retval = rdm(Adapter, u32StartingAddress, readbackbuff, len);
f8942e07	314
a5e4b81e KM	315	if (retval) {
a5e4b81e KM	316	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "rdm failed with status %d", retval);
f8942e07 SH	317	break;
	318	}
	319
a8658182 KM	320	retval = bcm_compare_buff_contents(readbackbuff, mappedbuffer, len);
a8658182 KM	321	if (STATUS_SUCCESS != retval)
f8942e07	322	break;
a5e4b81e KM	323
	324	u32StartingAddress += len;
	325	u32FirmwareLength -= len;
	326	mappedbuffer += len;
	327
	328	} /* end of while (u32FirmwareLength && !retval) */
082e889b	329	kfree(readbackbuff);
f8942e07 SH	330	return retval;
	331	}
	332
a5e4b81e	333	INT buffDnldVerify(PMINI_ADAPTER Adapter, unsigned char *mappedbuffer, unsigned int u32FirmwareLength, unsigned long u32StartingAddress)
f8942e07 SH	334	{
	335	INT status = STATUS_SUCCESS;
	336
a5e4b81e KM	337	status = buffDnld(Adapter, mappedbuffer, u32FirmwareLength, u32StartingAddress);
	338	if (status != STATUS_SUCCESS) {
	339	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Buffer download failed");
f8942e07 SH	340	goto error;
	341	}
	342
a5e4b81e KM	343	status = buffRdbkVerify(Adapter, mappedbuffer, u32FirmwareLength, u32StartingAddress);
	344	if (status != STATUS_SUCCESS) {
	345	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Buffer readback verifier failed");
f8942e07 SH	346	goto error;
	347	}
	348	error:
	349	return status;
	350	}