aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/staging/rtl8192e/r8192E_firmware.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/staging/rtl8192e/r8192E_firmware.c')
-rw-r--r--drivers/staging/rtl8192e/r8192E_firmware.c348
1 files changed, 0 insertions, 348 deletions
diff --git a/drivers/staging/rtl8192e/r8192E_firmware.c b/drivers/staging/rtl8192e/r8192E_firmware.c
deleted file mode 100644
index 37719859bdae..000000000000
--- a/drivers/staging/rtl8192e/r8192E_firmware.c
+++ /dev/null
@@ -1,348 +0,0 @@
-/******************************************************************************
- * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
- *
- * The full GNU General Public License is included in this distribution in the
- * file called LICENSE.
- *
- * Contact Information:
- * wlanfae <wlanfae@realtek.com>
-******************************************************************************/
-
-#include "rtl_core.h"
-#include "r8192E_hw.h"
-#include "r8192E_hwimg.h"
-#include "r8192E_firmware.h"
-#include <linux/firmware.h>
-
-void firmware_init_param(struct net_device *dev)
-{
- struct r8192_priv *priv = rtllib_priv(dev);
- struct rt_firmware *pfirmware = priv->pFirmware;
-
- pfirmware->cmdpacket_frag_thresold = GET_COMMAND_PACKET_FRAG_THRESHOLD(
- MAX_TRANSMIT_BUFFER_SIZE);
-}
-
-static bool fw_download_code(struct net_device *dev, u8 *code_virtual_address,
- u32 buffer_len)
-{
- struct r8192_priv *priv = rtllib_priv(dev);
- bool rt_status = true;
- u16 frag_threshold;
- u16 frag_length, frag_offset = 0;
- int i;
-
- struct rt_firmware *pfirmware = priv->pFirmware;
- struct sk_buff *skb;
- unsigned char *seg_ptr;
- struct cb_desc *tcb_desc;
- u8 bLastIniPkt;
-
- firmware_init_param(dev);
- 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;
-
- }
-
- skb = dev_alloc_skb(frag_length + 4);
- memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
- tcb_desc = (struct 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;
-
- seg_ptr = skb->data;
- 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;
- skb_put(skb, i);
-
- if (!priv->rtllib->check_nic_enough_desc(dev, tcb_desc->queue_index) ||
- (!skb_queue_empty(&priv->rtllib->skb_waitQ[tcb_desc->queue_index])) ||
- (priv->rtllib->queue_stop)) {
- RT_TRACE(COMP_FIRMWARE, "===================> tx "
- "full!\n");
- skb_queue_tail(&priv->rtllib->skb_waitQ
- [tcb_desc->queue_index], skb);
- } else {
- priv->rtllib->softmac_hard_start_xmit(skb, dev);
- }
-
- code_virtual_address += frag_length;
- frag_offset += frag_length;
-
- } while (frag_offset < buffer_len);
-
- write_nic_byte(dev, TPPoll, TPPoll_CQ);
-
- return rt_status;
-}
-
-static bool CPUcheck_maincodeok_turnonCPU(struct net_device *dev)
-{
- bool rt_status = true;
- u32 CPU_status = 0;
- unsigned long timeout;
-
- timeout = jiffies + MSECS(200);
- while (time_before(jiffies, timeout)) {
- CPU_status = read_nic_dword(dev, CPU_GEN);
- if (CPU_status & CPU_GEN_PUT_CODE_OK)
- break;
- mdelay(2);
- }
-
- if (!(CPU_status&CPU_GEN_PUT_CODE_OK)) {
- RT_TRACE(COMP_ERR, "Download Firmware: Put code fail!\n");
- goto CPUCheckMainCodeOKAndTurnOnCPU_Fail;
- } else {
- RT_TRACE(COMP_FIRMWARE, "Download Firmware: Put code ok!\n");
- }
-
- CPU_status = read_nic_dword(dev, CPU_GEN);
- write_nic_byte(dev, CPU_GEN,
- (u8)((CPU_status|CPU_GEN_PWR_STB_CPU)&0xff));
- mdelay(1);
-
- timeout = jiffies + MSECS(200);
- while (time_before(jiffies, timeout)) {
- CPU_status = read_nic_dword(dev, CPU_GEN);
- if (CPU_status&CPU_GEN_BOOT_RDY)
- break;
- mdelay(2);
- }
-
- if (!(CPU_status&CPU_GEN_BOOT_RDY))
- goto CPUCheckMainCodeOKAndTurnOnCPU_Fail;
- else
- RT_TRACE(COMP_FIRMWARE, "Download Firmware: Boot ready!\n");
-
- return rt_status;
-
-CPUCheckMainCodeOKAndTurnOnCPU_Fail:
- RT_TRACE(COMP_ERR, "ERR in %s()\n", __func__);
- rt_status = false;
- return rt_status;
-}
-
-static bool CPUcheck_firmware_ready(struct net_device *dev)
-{
-
- bool rt_status = true;
- u32 CPU_status = 0;
- unsigned long timeout;
-
- timeout = jiffies + MSECS(20);
- while (time_before(jiffies, timeout)) {
- CPU_status = read_nic_dword(dev, CPU_GEN);
- if (CPU_status&CPU_GEN_FIRM_RDY)
- break;
- mdelay(2);
- }
-
- if (!(CPU_status&CPU_GEN_FIRM_RDY))
- goto CPUCheckFirmwareReady_Fail;
- else
- RT_TRACE(COMP_FIRMWARE, "Download Firmware: Firmware ready!\n");
-
- return rt_status;
-
-CPUCheckFirmwareReady_Fail:
- RT_TRACE(COMP_ERR, "ERR in %s()\n", __func__);
- rt_status = false;
- return rt_status;
-
-}
-
-static bool firmware_check_ready(struct net_device *dev,
- u8 load_fw_status)
-{
- struct r8192_priv *priv = rtllib_priv(dev);
- struct rt_firmware *pfirmware = priv->pFirmware;
- bool rt_status = true;
-
- switch (load_fw_status) {
- case FW_INIT_STEP0_BOOT:
- pfirmware->firmware_status = FW_STATUS_1_MOVE_BOOT_CODE;
- break;
-
- case FW_INIT_STEP1_MAIN:
- pfirmware->firmware_status = FW_STATUS_2_MOVE_MAIN_CODE;
-
- rt_status = CPUcheck_maincodeok_turnonCPU(dev);
- if (rt_status)
- pfirmware->firmware_status = FW_STATUS_3_TURNON_CPU;
- else
- RT_TRACE(COMP_FIRMWARE, "CPUcheck_maincodeok_turnon"
- "CPU fail!\n");
-
- break;
-
- case FW_INIT_STEP2_DATA:
- pfirmware->firmware_status = FW_STATUS_4_MOVE_DATA_CODE;
- mdelay(1);
-
- rt_status = CPUcheck_firmware_ready(dev);
- if (rt_status)
- pfirmware->firmware_status = FW_STATUS_5_READY;
- else
- RT_TRACE(COMP_FIRMWARE, "CPUcheck_firmware_ready fail"
- "(%d)!\n", rt_status);
-
- break;
- default:
- rt_status = false;
- RT_TRACE(COMP_FIRMWARE, "Unknown firware status");
- break;
- }
-
- return rt_status;
-}
-
-bool init_firmware(struct net_device *dev)
-{
- struct r8192_priv *priv = rtllib_priv(dev);
- bool rt_status = true;
-
- u8 *firmware_img_buf[3] = { &Rtl8192PciEFwBootArray[0],
- &Rtl8192PciEFwMainArray[0],
- &Rtl8192PciEFwDataArray[0]};
-
- u32 firmware_img_len[3] = { sizeof(Rtl8192PciEFwBootArray),
- sizeof(Rtl8192PciEFwMainArray),
- sizeof(Rtl8192PciEFwDataArray)};
- u32 file_length = 0;
- u8 *mapped_file = NULL;
- u8 init_step = 0;
- enum opt_rst_type rst_opt = OPT_SYSTEM_RESET;
- enum firmware_init_step starting_state = FW_INIT_STEP0_BOOT;
-
- struct rt_firmware *pfirmware = priv->pFirmware;
-
- RT_TRACE(COMP_FIRMWARE, " PlatformInitFirmware()==>\n");
-
- if (pfirmware->firmware_status == FW_STATUS_0_INIT) {
- rst_opt = OPT_SYSTEM_RESET;
- starting_state = FW_INIT_STEP0_BOOT;
-
- } else if (pfirmware->firmware_status == FW_STATUS_5_READY) {
- rst_opt = OPT_FIRMWARE_RESET;
- starting_state = FW_INIT_STEP2_DATA;
- } else {
- RT_TRACE(COMP_FIRMWARE, "PlatformInitFirmware: undefined"
- " firmware state\n");
- }
-
- priv->firmware_source = FW_SOURCE_IMG_FILE;
- for (init_step = starting_state; init_step <= FW_INIT_STEP2_DATA;
- init_step++) {
- if (rst_opt == OPT_SYSTEM_RESET) {
- switch (priv->firmware_source) {
- case FW_SOURCE_IMG_FILE:
- {
- if (pfirmware->firmware_buf_size[init_step] == 0) {
- const char *fw_name[3] = { "RTL8192E/boot.img",
- "RTL8192E/main.img",
- "RTL8192E/data.img"
- };
- const struct firmware *fw_entry;
- int rc;
- rc = request_firmware(&fw_entry,
- fw_name[init_step], &priv->pdev->dev);
- if (rc < 0) {
- RT_TRACE(COMP_FIRMWARE, "request firm"
- "ware 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 struct "
- "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);
- 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];
- break;
- }
- case FW_SOURCE_HEADER_FILE:
- mapped_file = firmware_img_buf[init_step];
- file_length = firmware_img_len[init_step];
- if (init_step == FW_INIT_STEP2_DATA) {
- memcpy(pfirmware->firmware_buf[init_step], mapped_file, file_length);
- pfirmware->firmware_buf_size[init_step] = file_length;
- }
- break;
-
- default:
- break;
- }
-
-
- } else if (rst_opt == OPT_FIRMWARE_RESET) {
- mapped_file = pfirmware->firmware_buf[init_step];
- file_length = pfirmware->firmware_buf_size[init_step];
- }
-
- rt_status = fw_download_code(dev, mapped_file, file_length);
- if (rt_status != true) {
- goto download_firmware_fail;
- }
-
- if (!firmware_check_ready(dev, init_step)) {
- goto download_firmware_fail;
- }
- }
-
- RT_TRACE(COMP_FIRMWARE, "Firmware Download Success\n");
- return rt_status;
-
-download_firmware_fail:
- RT_TRACE(COMP_ERR, "ERR in %s()\n", __func__);
- rt_status = false;
- return rt_status;
-
-}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.