diff options
Diffstat (limited to 'drivers/staging/rtl8188eu/hal/fw.c')
| -rw-r--r-- | drivers/staging/rtl8188eu/hal/fw.c | 202 |
1 files changed, 0 insertions, 202 deletions
diff --git a/drivers/staging/rtl8188eu/hal/fw.c b/drivers/staging/rtl8188eu/hal/fw.c deleted file mode 100644 index 3d1d29e9f8e0..000000000000 --- a/drivers/staging/rtl8188eu/hal/fw.c +++ /dev/null @@ -1,202 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/****************************************************************************** - * - * Copyright(c) 2009-2013 Realtek Corporation. - * - * Contact Information: - * wlanfae <wlanfae@realtek.com> - * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park, - * Hsinchu 300, Taiwan. - * - * Larry Finger <Larry.Finger@lwfinger.net> - * - *****************************************************************************/ - -#include "fw.h" -#include "drv_types.h" -#include "usb_ops_linux.h" -#include "rtl8188e_spec.h" -#include "rtl8188e_hal.h" - -#include <linux/firmware.h> -#include <linux/slab.h> - -static void _rtl88e_enable_fw_download(struct adapter *adapt, bool enable) -{ - u8 tmp; - - if (enable) { - tmp = usb_read8(adapt, REG_MCUFWDL); - usb_write8(adapt, REG_MCUFWDL, tmp | 0x01); - - tmp = usb_read8(adapt, REG_MCUFWDL + 2); - usb_write8(adapt, REG_MCUFWDL + 2, tmp & 0xf7); - } else { - tmp = usb_read8(adapt, REG_MCUFWDL); - usb_write8(adapt, REG_MCUFWDL, tmp & 0xfe); - - usb_write8(adapt, REG_MCUFWDL + 1, 0x00); - } -} - -static void _rtl88e_fw_block_write(struct adapter *adapt, - const u8 *buffer, u32 size) -{ - u32 blk_sz = sizeof(u32); - const u8 *byte_buffer; - const u32 *dword_buffer = (u32 *)buffer; - u32 i, write_address, blk_cnt, remain; - - blk_cnt = size / blk_sz; - remain = size % blk_sz; - - write_address = FW_8192C_START_ADDRESS; - - for (i = 0; i < blk_cnt; i++, write_address += blk_sz) - usb_write32(adapt, write_address, dword_buffer[i]); - - byte_buffer = buffer + blk_cnt * blk_sz; - for (i = 0; i < remain; i++, write_address++) - usb_write8(adapt, write_address, byte_buffer[i]); -} - -static void _rtl88e_fw_page_write(struct adapter *adapt, - u32 page, const u8 *buffer, u32 size) -{ - u8 value8; - u8 u8page = (u8)(page & 0x07); - - value8 = (usb_read8(adapt, REG_MCUFWDL + 2) & 0xF8) | u8page; - - usb_write8(adapt, (REG_MCUFWDL + 2), value8); - _rtl88e_fw_block_write(adapt, buffer, size); -} - -static void _rtl88e_write_fw(struct adapter *adapt, u8 *buffer, u32 size) -{ - u8 *buf_ptr = buffer; - u32 page_no, remain; - u32 page, offset; - - page_no = size / FW_8192C_PAGE_SIZE; - remain = size % FW_8192C_PAGE_SIZE; - - for (page = 0; page < page_no; page++) { - offset = page * FW_8192C_PAGE_SIZE; - _rtl88e_fw_page_write(adapt, page, (buf_ptr + offset), - FW_8192C_PAGE_SIZE); - } - - if (remain) { - offset = page_no * FW_8192C_PAGE_SIZE; - page = page_no; - _rtl88e_fw_page_write(adapt, page, (buf_ptr + offset), remain); - } -} - -static void rtl88e_firmware_selfreset(struct adapter *adapt) -{ - u8 u1b_tmp; - - u1b_tmp = usb_read8(adapt, REG_SYS_FUNC_EN + 1); - usb_write8(adapt, REG_SYS_FUNC_EN + 1, (u1b_tmp & (~BIT(2)))); - usb_write8(adapt, REG_SYS_FUNC_EN + 1, (u1b_tmp | BIT(2))); -} - -static int _rtl88e_fw_free_to_go(struct adapter *adapt) -{ - int err = -EIO; - u32 counter = 0; - u32 value32; - - do { - value32 = usb_read32(adapt, REG_MCUFWDL); - if (value32 & FWDL_CHKSUM_RPT) - break; - } while (counter++ < POLLING_READY_TIMEOUT_COUNT); - - if (counter >= POLLING_READY_TIMEOUT_COUNT) - goto exit; - - value32 = usb_read32(adapt, REG_MCUFWDL); - value32 |= MCUFWDL_RDY; - value32 &= ~WINTINI_RDY; - usb_write32(adapt, REG_MCUFWDL, value32); - - rtl88e_firmware_selfreset(adapt); - counter = 0; - - do { - value32 = usb_read32(adapt, REG_MCUFWDL); - if (value32 & WINTINI_RDY) { - err = 0; - goto exit; - } - - udelay(FW_8192C_POLLING_DELAY); - - } while (counter++ < POLLING_READY_TIMEOUT_COUNT); - -exit: - return err; -} - -int rtl88eu_download_fw(struct adapter *adapt) -{ - struct dvobj_priv *dvobj = adapter_to_dvobj(adapt); - struct device *device = dvobj_to_dev(dvobj); - const struct firmware *fw; - static const char fw_name[] = "rtlwifi/rtl8188eufw.bin"; - struct rtl92c_firmware_header *pfwheader = NULL; - u8 *download_data, *fw_data; - size_t download_size; - unsigned int trailing_zeros_length; - - if (request_firmware(&fw, fw_name, device)) { - dev_err(device, "Firmware %s not available\n", fw_name); - return -ENOENT; - } - - if (fw->size > FW_8188E_SIZE) { - dev_err(device, "Firmware size exceed 0x%X. Check it.\n", - FW_8188E_SIZE); - release_firmware(fw); - return -1; - } - - trailing_zeros_length = (4 - fw->size % 4) % 4; - - fw_data = kmalloc(fw->size + trailing_zeros_length, GFP_KERNEL); - if (!fw_data) { - release_firmware(fw); - return -ENOMEM; - } - - memcpy(fw_data, fw->data, fw->size); - memset(fw_data + fw->size, 0, trailing_zeros_length); - - pfwheader = (struct rtl92c_firmware_header *)fw_data; - - if (IS_FW_HEADER_EXIST(pfwheader)) { - download_data = fw_data + 32; - download_size = fw->size + trailing_zeros_length - 32; - } else { - download_data = fw_data; - download_size = fw->size + trailing_zeros_length; - } - - release_firmware(fw); - - if (usb_read8(adapt, REG_MCUFWDL) & RAM_DL_SEL) { - usb_write8(adapt, REG_MCUFWDL, 0); - rtl88e_firmware_selfreset(adapt); - } - _rtl88e_enable_fw_download(adapt, true); - usb_write8(adapt, REG_MCUFWDL, - usb_read8(adapt, REG_MCUFWDL) | FWDL_CHKSUM_RPT); - _rtl88e_write_fw(adapt, download_data, download_size); - _rtl88e_enable_fw_download(adapt, false); - - kfree(fw_data); - return _rtl88e_fw_free_to_go(adapt); -} |