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authorGreg Kroah-Hartman <gregkh@suse.de>2009-08-12 16:39:54 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2009-09-15 12:02:32 -0700
commit96ed5846c4eeb29934b789e6d83e35a8d498778f (patch)
treefda494eb167af8202ace0874e3993751f3cd08ee
parent5bf30d96884818df79a08df8811e3eaa2f5a0818 (diff)
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: Greg Kroah-Hartman <gregkh@suse.de>
-rw-r--r--drivers/staging/rtl8192e/r819xE_firmware.c329
1 files changed, 160 insertions, 169 deletions
diff --git a/drivers/staging/rtl8192e/r819xE_firmware.c b/drivers/staging/rtl8192e/r819xE_firmware.c
index dd5cece34da..72f679274bc 100644
--- a/drivers/staging/rtl8192e/r819xE_firmware.c
+++ b/drivers/staging/rtl8192e/r819xE_firmware.c
@@ -1,54 +1,56 @@
-/**************************************************************************************************
+/*
* 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>
/* It should be double word alignment */
-#define GET_COMMAND_PACKET_FRAG_THRESHOLD(v) (4*(v/4) - 8 )
+#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;
+ 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;
@@ -58,83 +60,83 @@ 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) {
+ 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);
+ memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
+ tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
tcb_desc->queue_index = TXCMD_QUEUE;
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;
- *seg_ptr++ = ((i+1)<frag_length)?code_virtual_address[i+2]:0;
- *seg_ptr++ = ((i+2)<frag_length)?code_virtual_address[i+1]:0;
- *seg_ptr++ = ((i+3)<frag_length)?code_virtual_address[i+0]:0;
+ for (i = 0; i < frag_length; i += 4) {
+ *seg_ptr++ = ((i+0) < frag_length) ? code_virtual_address[i+3] : 0;
+ *seg_ptr++ = ((i+1) < frag_length) ? code_virtual_address[i+2] : 0;
+ *seg_ptr++ = ((i+2) < frag_length) ? code_virtual_address[i+1] : 0;
+ *seg_ptr++ = ((i+3) < frag_length) ? code_virtual_address[i+0] : 0;
}
- tcb_desc->txbuf_size= (u16)i;
+ tcb_desc->txbuf_size = (u16)i;
skb_put(skb, i);
- priv->ieee80211->softmac_hard_start_xmit(skb,dev);
+ priv->ieee80211->softmac_hard_start_xmit(skb, dev);
code_virtual_address += frag_length;
frag_offset += frag_length;
- }while(frag_offset < buffer_len);
+ } while (frag_offset < buffer_len);
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;
- u32 CPU_status = 0;
+ bool rt_status = true;
+ int check_putcodeOK_time = 200000;
+ int check_bootOk_time = 200000;
+ u32 CPU_status = 0;
/* Check whether put code OK */
do {
CPU_status = read_nic_dword(dev, CPU_GEN);
- if(CPU_status&CPU_GEN_PUT_CODE_OK)
+ if (CPU_status & CPU_GEN_PUT_CODE_OK)
break;
- }while(check_putcodeOK_time--);
+ } while (check_putcodeOK_time--);
- if(!(CPU_status&CPU_GEN_PUT_CODE_OK)) {
+ if (!(CPU_status & CPU_GEN_PUT_CODE_OK)) {
RT_TRACE(COMP_ERR, "Download Firmware: Put code fail!\n");
goto CPUCheckMainCodeOKAndTurnOnCPU_Fail;
} else {
@@ -143,27 +145,27 @@ 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 */
do {
CPU_status = read_nic_dword(dev, CPU_GEN);
- if(CPU_status&CPU_GEN_BOOT_RDY)
+ if (CPU_status & CPU_GEN_BOOT_RDY)
break;
- }while(check_bootOk_time--);
+ } 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;
}
@@ -179,12 +181,12 @@ static bool CPUcheck_firmware_ready(struct net_device *dev)
do {
CPU_status = read_nic_dword(dev, CPU_GEN);
- if(CPU_status&CPU_GEN_FIRM_RDY)
+ if (CPU_status & CPU_GEN_FIRM_RDY)
break;
- }while(check_time--);
+ } while (check_time--);
- if(!(CPU_status&CPU_GEN_FIRM_RDY))
+ if (!(CPU_status & CPU_GEN_FIRM_RDY))
goto CPUCheckFirmwareReady_Fail;
else
RT_TRACE(COMP_FIRMWARE, "Download Firmware: Firmware ready!\n");
@@ -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;
@@ -205,85 +207,71 @@ 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;
const char *fw_name[3] = { "RTL8192E/boot.img",
- "RTL8192E/main.img",
- "RTL8192E/data.img"};
+ "RTL8192E/main.img",
+ "RTL8192E/data.img"};
int rc;
RT_TRACE(COMP_FIRMWARE, " PlatformInitFirmware()==>\n");
- if (pfirmware->firmware_status == FW_STATUS_0_INIT ) {
+ if (pfirmware->firmware_status == FW_STATUS_0_INIT) {
/* 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) {
+ } 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");
+ } else {
+ 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++) {
+ 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 ) {
- RT_TRACE(COMP_FIRMWARE, "request firmware fail!\n");
- goto download_firmware_fail;
- }
-
- if(fw_entry->size > sizeof(pfirmware->firmware_buf[init_step])) {
- RT_TRACE(COMP_FIRMWARE, "img file size exceed the container buffer fail!\n");
- goto download_firmware_fail;
- }
-
- if(init_step != FW_INIT_STEP1_MAIN) {
- memcpy(pfirmware->firmware_buf[init_step],fw_entry->data,fw_entry->size);
- pfirmware->firmware_buf_size[init_step] = fw_entry->size;
-
- } 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) {
- release_firmware(fw_entry);
- }
- }
- mapped_file = pfirmware->firmware_buf[init_step];
- file_length = pfirmware->firmware_buf_size[init_step];
- break;
+ if (rst_opt == OPT_SYSTEM_RESET) {
+ if (pfirmware->firmware_buf_size[init_step] == 0) {
+ rc = request_firmware(&fw_entry, fw_name[init_step], &priv->pdev->dev);
+ if (rc < 0) {
+ RT_TRACE(COMP_FIRMWARE, "request firmware fail!\n");
+ goto download_firmware_fail;
+ }
+
+ if (fw_entry->size > sizeof(pfirmware->firmware_buf[init_step])) {
+ RT_TRACE(COMP_FIRMWARE, "img file size exceed the container buffer fail!\n");
+ goto download_firmware_fail;
}
- default:
- break;
- }
+ if (init_step != FW_INIT_STEP1_MAIN) {
+ memcpy(pfirmware->firmware_buf[init_step], fw_entry->data, fw_entry->size);
+ pfirmware->firmware_buf_size[init_step] = fw_entry->size;
- }else if(rst_opt == OPT_FIRMWARE_RESET ) {
+ } else {
+ memset(pfirmware->firmware_buf[init_step], 0, 128);
+ memcpy(&pfirmware->firmware_buf[init_step][128], fw_entry->data, fw_entry->size);
+ pfirmware->firmware_buf_size[init_step] = fw_entry->size+128;
+ }
+
+ 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];
+ } else if (rst_opt == OPT_FIRMWARE_RESET) {
/* we only need to download data.img here */
mapped_file = pfirmware->firmware_buf[init_step];
file_length = pfirmware->firmware_buf_size[init_step];
@@ -291,68 +279,71 @@ 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
- * */
- rt_status = fw_download_code(dev,mapped_file,file_length);
- if(rt_status != TRUE) {
+ * 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)
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
- */
- pfirmware->firmware_status = FW_STATUS_1_MOVE_BOOT_CODE;
- //mdelay(1000);
- /*
- * To initialize IMEM, CPU move code from 0x80000080,
- * hence, we send 0x80 byte packet
- */
- break;
-
- case FW_INIT_STEP1_MAIN:
- /* 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");
- 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
+ */
+ pfirmware->firmware_status = FW_STATUS_1_MOVE_BOOT_CODE;
+ /* mdelay(1000); */
+ /*
+ * To initialize IMEM, CPU move code from 0x80000080,
+ * hence, we send 0x80 byte packet
+ */
+ break;
- pfirmware->firmware_status = FW_STATUS_3_TURNON_CPU;
- break;
+ case FW_INIT_STEP1_MAIN:
+ /* 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");
+ goto download_firmware_fail;
+ }
- case FW_INIT_STEP2_DATA:
- /* download initial data code */
- pfirmware->firmware_status = FW_STATUS_4_MOVE_DATA_CODE;
- mdelay(1);
+ pfirmware->firmware_status = FW_STATUS_3_TURNON_CPU;
+ break;
- rt_status = CPUcheck_firmware_ready(dev);
- if(rt_status != TRUE) {
- RT_TRACE(COMP_FIRMWARE, "CPUcheck_firmware_ready fail(%d)!\n",rt_status);
- goto download_firmware_fail;
- }
+ case FW_INIT_STEP2_DATA:
+ /* download initial data code */
+ pfirmware->firmware_status = FW_STATUS_4_MOVE_DATA_CODE;
+ mdelay(1);
+
+ rt_status = CPUcheck_firmware_ready(dev);
+ if (rt_status != TRUE) {
+ RT_TRACE(COMP_FIRMWARE,
+ "CPUcheck_firmware_ready fail(%d)!\n",
+ rt_status);
+ goto download_firmware_fail;
+ }
- /* wait until data code is initialized ready.*/
- pfirmware->firmware_status = FW_STATUS_5_READY;
- break;
+ /* wait until data code is initialized ready.*/
+ pfirmware->firmware_status = FW_STATUS_5_READY;
+ break;
}
}
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;