diff options
author | Greg Kroah-Hartman <gregkh@suse.de> | 2009-08-12 16:39:54 -0700 |
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committer | Greg Kroah-Hartman <gregkh@suse.de> | 2009-09-15 12:02:32 -0700 |
commit | 96ed5846c4eeb29934b789e6d83e35a8d498778f (patch) | |
tree | fda494eb167af8202ace0874e3993751f3cd08ee /drivers/staging/rtl8192e | |
parent | 5bf30d96884818df79a08df8811e3eaa2f5a0818 (diff) | |
download | op-kernel-dev-96ed5846c4eeb29934b789e6d83e35a8d498778f.zip op-kernel-dev-96ed5846c4eeb29934b789e6d83e35a8d498778f.tar.gz |
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>
Diffstat (limited to 'drivers/staging/rtl8192e')
-rw-r--r-- | drivers/staging/rtl8192e/r819xE_firmware.c | 329 |
1 files changed, 160 insertions, 169 deletions
diff --git a/drivers/staging/rtl8192e/r819xE_firmware.c b/drivers/staging/rtl8192e/r819xE_firmware.c index dd5cece..72f6792 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; |