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Commit 96ed5846 authored by Greg Kroah-Hartman's avatar Greg Kroah-Hartman
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Staging: rtl8192e: coding style cleanups on r819xE_firmware.c



This cleans up everything but a few 80 column issues in the
r819xE_firmware.c file.

Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 5bf30d96
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+160 −169
Original line number Diff line number Diff line
/**************************************************************************************************
/*
 * Procedure:    Init boot code/firmware code/data session
 *
 * Description: This routine will intialize firmware. If any error occurs during the initialization
 * 		process, the routine shall terminate immediately and return fail.
 *		NIC driver should call NdisOpenFile only from MiniportInitialize.
 * Description: This routine will intialize firmware. If any error occurs
 *		during the initialization process, the routine shall terminate
 *		immediately and return fail.  NIC driver should call
 *		NdisOpenFile only from MiniportInitialize.
 *
 * Arguments:   The pointer of the adapter

 * Returns:
 *        NDIS_STATUS_FAILURE - the following initialization process should be terminated
 *        NDIS_STATUS_SUCCESS - if firmware initialization process success
**************************************************************************************************/
//#include "ieee80211.h"
 *		NDIS_STATUS_FAILURE - the following initialization process
 *				      should be terminated
 *		NDIS_STATUS_SUCCESS - if firmware initialization process
 *				      success
 */
#include "r8192E.h"
#include "r8192E_hw.h"
#include <linux/firmware.h>
@@ -19,36 +21,36 @@
/* It should be double word alignment */
#define GET_COMMAND_PACKET_FRAG_THRESHOLD(v)	(4 * (v / 4) - 8)

typedef enum _firmware_init_step{
enum firmware_init_step {
	FW_INIT_STEP0_BOOT = 0,
	FW_INIT_STEP1_MAIN = 1,
	FW_INIT_STEP2_DATA = 2,
}firmware_init_step_e;
};

typedef enum _opt_rst_type{
enum opt_rst_type {
	OPT_SYSTEM_RESET = 0,
	OPT_FIRMWARE_RESET = 1,
}opt_rst_type_e;
};

void firmware_init_param(struct net_device *dev)
{
	struct r8192_priv *priv = ieee80211_priv(dev);
	rt_firmware *pfirmware = priv->pFirmware;

	pfirmware->cmdpacket_frag_thresold = GET_COMMAND_PACKET_FRAG_THRESHOLD(MAX_TRANSMIT_BUFFER_SIZE);
	pfirmware->cmdpacket_frag_thresold =
		GET_COMMAND_PACKET_FRAG_THRESHOLD(MAX_TRANSMIT_BUFFER_SIZE);
}

/*
 * segment the img and use the ptr and length to remember info on each segment
 *
 */
static bool fw_download_code(struct net_device *dev, u8 *code_virtual_address, u32 buffer_len)
static bool fw_download_code(struct net_device *dev, u8 *code_virtual_address,
			     u32 buffer_len)
{
	struct r8192_priv   *priv = ieee80211_priv(dev);
	bool 		    rt_status = true;
	u16		    frag_threshold;
	u16		    frag_length, frag_offset = 0;
	//u16		    total_size;
	int		    i;

	rt_firmware	    *pfirmware = priv->pFirmware;
@@ -58,23 +60,22 @@ static bool fw_download_code(struct net_device *dev, u8 *code_virtual_address, u
	u8                  bLastIniPkt;

	firmware_init_param(dev);
	//Fragmentation might be required

	/* Fragmentation might be required */
	frag_threshold = pfirmware->cmdpacket_frag_thresold;
	do {
		if ((buffer_len - frag_offset) > frag_threshold) {
			frag_length = frag_threshold ;
			bLastIniPkt = 0;

		} else {
			frag_length = buffer_len - frag_offset;
			bLastIniPkt = 1;

		}

		/* Allocate skb buffer to contain firmware info and tx descriptor info
		 * add 4 to avoid packet appending overflow.
		 * */
		//skb  = dev_alloc_skb(USB_HWDESC_HEADER_LEN + frag_length + 4);
		/*
		 * Allocate skb buffer to contain firmware info and tx
		 * descriptor info add 4 to avoid packet appending overflow.
		 */
		skb  = dev_alloc_skb(frag_length + 4);
		memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
		tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
@@ -82,11 +83,10 @@ static bool fw_download_code(struct net_device *dev, u8 *code_virtual_address, u
		tcb_desc->bCmdOrInit = DESC_PACKET_TYPE_INIT;
		tcb_desc->bLastIniPkt = bLastIniPkt;

		//skb_reserve(skb, USB_HWDESC_HEADER_LEN);
		seg_ptr = skb->data;

		/*
		 * Transform from little endian to big endian
                 * and pending  zero
		 * Transform from little endian to big endian and pending zero
		 */
		for (i = 0; i < frag_length; i += 4) {
			*seg_ptr++ = ((i+0) < frag_length) ? code_virtual_address[i+3] : 0;
@@ -106,23 +106,25 @@ static bool fw_download_code(struct net_device *dev, u8 *code_virtual_address, u
	return rt_status;
}

//-----------------------------------------------------------------------------
// Procedure:    Check whether main code is download OK. If OK, turn on CPU
//
// Description:   CPU register locates in different page against general register.
//			    Switch to CPU register in the begin and switch back before return
//
//
// Arguments:   The pointer of the adapter
//
// Returns:
//        NDIS_STATUS_FAILURE - the following initialization process should be terminated
//        NDIS_STATUS_SUCCESS - if firmware initialization process success
//-----------------------------------------------------------------------------
/*
 * Procedure:    Check whether main code is download OK. If OK, turn on CPU
 *
 * Description:   CPU register locates in different page against general
 *		  register.  Switch to CPU register in the begin and switch
 *		  back before return
 *
 * Arguments:   The pointer of the adapter
 *
 * Returns:
 *	NDIS_STATUS_FAILURE - the following initialization process should be
 *			      terminated
 *	NDIS_STATUS_SUCCESS - if firmware initialization process success
 */
static bool CPUcheck_maincodeok_turnonCPU(struct net_device *dev)
{
	bool rt_status = true;
	int		check_putcodeOK_time = 200000, check_bootOk_time = 200000;
	int check_putcodeOK_time = 200000;
	int check_bootOk_time = 200000;
	u32 CPU_status = 0;

	/* Check whether put code OK */
@@ -143,7 +145,8 @@ static bool CPUcheck_maincodeok_turnonCPU(struct net_device *dev)

	/* Turn On CPU */
	CPU_status = read_nic_dword(dev, CPU_GEN);
	write_nic_byte(dev, CPU_GEN, (u8)((CPU_status|CPU_GEN_PWR_STB_CPU)&0xff));
	write_nic_byte(dev, CPU_GEN,
		       (u8)((CPU_status | CPU_GEN_PWR_STB_CPU) & 0xff));
	mdelay(1);

	/* Check whether CPU boot OK */
@@ -154,16 +157,15 @@ static bool CPUcheck_maincodeok_turnonCPU(struct net_device *dev)
			break;
	} while (check_bootOk_time--);

	if(!(CPU_status&CPU_GEN_BOOT_RDY)) {
	if (!(CPU_status & CPU_GEN_BOOT_RDY))
		goto CPUCheckMainCodeOKAndTurnOnCPU_Fail;
	} else {
	else
		RT_TRACE(COMP_FIRMWARE, "Download Firmware: Boot ready!\n");
	}

	return rt_status;

CPUCheckMainCodeOKAndTurnOnCPU_Fail:
	RT_TRACE(COMP_ERR, "ERR in %s()\n", __FUNCTION__);
	RT_TRACE(COMP_ERR, "ERR in %s()\n", __func__);
	rt_status = FALSE;
	return rt_status;
}
@@ -192,7 +194,7 @@ static bool CPUcheck_firmware_ready(struct net_device *dev)
	return rt_status;

CPUCheckFirmwareReady_Fail:
	RT_TRACE(COMP_ERR, "ERR in %s()\n", __FUNCTION__);
	RT_TRACE(COMP_ERR, "ERR in %s()\n", __func__);
	rt_status = false;
	return rt_status;

@@ -205,8 +207,8 @@ bool init_firmware(struct net_device *dev)
	u32			file_length = 0;
	u8			*mapped_file = NULL;
	u32			init_step = 0;
	opt_rst_type_e	rst_opt = OPT_SYSTEM_RESET;
	firmware_init_step_e 	starting_state = FW_INIT_STEP0_BOOT;
	enum opt_rst_type	rst_opt = OPT_SYSTEM_RESET;
	enum firmware_init_step	starting_state = FW_INIT_STEP0_BOOT;

	rt_firmware		*pfirmware = priv->pFirmware;
	const struct firmware 	*fw_entry;
@@ -221,30 +223,27 @@ bool init_firmware(struct net_device *dev)
		/* it is called by reset */
		rst_opt = OPT_SYSTEM_RESET;
		starting_state = FW_INIT_STEP0_BOOT;
		// TODO: system reset
		/* TODO: system reset */

	} else if (pfirmware->firmware_status == FW_STATUS_5_READY) {
		/* it is called by Initialize */
		rst_opt = OPT_FIRMWARE_RESET;
		starting_state = FW_INIT_STEP2_DATA;
	} else {
		 RT_TRACE(COMP_FIRMWARE, "PlatformInitFirmware: undefined firmware state\n");
		RT_TRACE(COMP_FIRMWARE,
			"PlatformInitFirmware: undefined firmware state\n");
	}

	/*
	 * Download boot, main, and data image for System reset.
	 * Download data image for firmware reseta
	 */
	priv->firmware_source = FW_SOURCE_IMG_FILE;
	for (init_step = starting_state; init_step <= FW_INIT_STEP2_DATA; init_step++) {
		/*
		 * Open Image file, and map file to contineous memory if open file success.
		 * or read image file from array. Default load from IMG file
		 */
		if (rst_opt == OPT_SYSTEM_RESET) {
			switch(priv->firmware_source) {
				case FW_SOURCE_IMG_FILE:
				{
			if (pfirmware->firmware_buf_size[init_step] == 0) {
				rc = request_firmware(&fw_entry, fw_name[init_step], &priv->pdev->dev);
				if (rc < 0) {
@@ -264,25 +263,14 @@ bool init_firmware(struct net_device *dev)
				} else {
					memset(pfirmware->firmware_buf[init_step], 0, 128);
					memcpy(&pfirmware->firmware_buf[init_step][128], fw_entry->data, fw_entry->size);
							//mapped_file = pfirmware->firmware_buf[init_step];
					pfirmware->firmware_buf_size[init_step] = fw_entry->size+128;
							//file_length = fw_entry->size + 128;
				}
						//pfirmware->firmware_buf_size = file_length;

						if(rst_opt == OPT_SYSTEM_RESET) {
				if (rst_opt == OPT_SYSTEM_RESET)
					release_firmware(fw_entry);
			}
					}
			mapped_file = pfirmware->firmware_buf[init_step];
			file_length = pfirmware->firmware_buf_size[init_step];
					break;
				}
				default:
					break;
			}


		} else if (rst_opt == OPT_FIRMWARE_RESET) {
			/* we only need to download data.img here */
			mapped_file = pfirmware->firmware_buf[init_step];
@@ -291,24 +279,25 @@ bool init_firmware(struct net_device *dev)

		/* Download image file */
		/* The firmware download process is just as following,
		 * 1. that is each packet will be segmented and inserted to the wait queue.
		 * 1. that is each packet will be segmented and inserted to the
		 *    wait queue.
		 * 2. each packet segment will be put in the skb_buff packet.
		 * 3. each skb_buff packet data content will already include the firmware info
		 *   and Tx descriptor info
		 * */
		 * 3. each skb_buff packet data content will already include
		 *    the firmware info and Tx descriptor info
		 */
		rt_status = fw_download_code(dev, mapped_file, file_length);
		if(rt_status != TRUE) {
		if (rt_status != TRUE)
			goto download_firmware_fail;
		}

		switch (init_step) {
		case FW_INIT_STEP0_BOOT:
			/* Download boot
			 * initialize command descriptor.
				 * will set polling bit when firmware code is also configured
			 * will set polling bit when firmware code is also
			 * configured
			 */
			pfirmware->firmware_status = FW_STATUS_1_MOVE_BOOT_CODE;
				//mdelay(1000);
			/* mdelay(1000); */
			/*
			 * To initialize IMEM, CPU move code  from 0x80000080,
			 * hence, we send 0x80 byte packet
@@ -316,13 +305,15 @@ bool init_firmware(struct net_device *dev)
			break;

		case FW_INIT_STEP1_MAIN:
				/* Download firmware code. Wait until Boot Ready and Turn on CPU */
			/* Download firmware code.
			 * Wait until Boot Ready and Turn on CPU */
			pfirmware->firmware_status = FW_STATUS_2_MOVE_MAIN_CODE;

			/* Check Put Code OK and Turn On CPU */
			rt_status = CPUcheck_maincodeok_turnonCPU(dev);
			if (rt_status != TRUE) {
					RT_TRACE(COMP_FIRMWARE, "CPUcheck_maincodeok_turnonCPU fail!\n");
				RT_TRACE(COMP_FIRMWARE,
					"CPUcheck_maincodeok_turnonCPU fail!\n");
				goto download_firmware_fail;
			}

@@ -336,7 +327,9 @@ bool init_firmware(struct net_device *dev)

			rt_status = CPUcheck_firmware_ready(dev);
			if (rt_status != TRUE) {
					RT_TRACE(COMP_FIRMWARE, "CPUcheck_firmware_ready fail(%d)!\n",rt_status);
				RT_TRACE(COMP_FIRMWARE,
					"CPUcheck_firmware_ready fail(%d)!\n",
					rt_status);
				goto download_firmware_fail;
			}

@@ -347,12 +340,10 @@ bool init_firmware(struct net_device *dev)
	}

	RT_TRACE(COMP_FIRMWARE, "Firmware Download Success\n");
	//assert(pfirmware->firmware_status == FW_STATUS_5_READY, ("Firmware Download Fail\n"));

	return rt_status;

download_firmware_fail:
	RT_TRACE(COMP_ERR, "ERR in %s()\n", __FUNCTION__);
	RT_TRACE(COMP_ERR, "ERR in %s()\n", __func__);
	rt_status = FALSE;
	return rt_status;