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3159 lines
82 KiB
3159 lines
82 KiB
/* |
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* NXP Wireless LAN device driver: SDIO specific handling |
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* |
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* Copyright 2011-2020 NXP |
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* |
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* This software file (the "File") is distributed by NXP |
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* under the terms of the GNU General Public License Version 2, June 1991 |
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* (the "License"). You may use, redistribute and/or modify this File in |
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* accordance with the terms and conditions of the License, a copy of which |
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* is available by writing to the Free Software Foundation, Inc., |
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the |
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* worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. |
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* |
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* THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE |
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* ARE EXPRESSLY DISCLAIMED. The License provides additional details about |
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* this warranty disclaimer. |
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*/ |
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#include <linux/firmware.h> |
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#include "decl.h" |
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#include "ioctl.h" |
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#include "util.h" |
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#include "fw.h" |
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#include "main.h" |
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#include "wmm.h" |
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#include "11n.h" |
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#include "sdio.h" |
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#define SDIO_VERSION "1.0" |
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static void mwifiex_sdio_work(struct work_struct *work); |
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static struct mwifiex_if_ops sdio_ops; |
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static const struct mwifiex_sdio_card_reg mwifiex_reg_sd87xx = { |
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.start_rd_port = 1, |
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.start_wr_port = 1, |
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.base_0_reg = 0x0040, |
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.base_1_reg = 0x0041, |
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.poll_reg = 0x30, |
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.host_int_enable = UP_LD_HOST_INT_MASK | DN_LD_HOST_INT_MASK, |
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.host_int_rsr_reg = 0x1, |
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.host_int_mask_reg = 0x02, |
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.host_int_status_reg = 0x03, |
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.status_reg_0 = 0x60, |
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.status_reg_1 = 0x61, |
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.sdio_int_mask = 0x3f, |
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.data_port_mask = 0x0000fffe, |
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.io_port_0_reg = 0x78, |
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.io_port_1_reg = 0x79, |
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.io_port_2_reg = 0x7A, |
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.max_mp_regs = 64, |
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.rd_bitmap_l = 0x04, |
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.rd_bitmap_u = 0x05, |
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.wr_bitmap_l = 0x06, |
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.wr_bitmap_u = 0x07, |
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.rd_len_p0_l = 0x08, |
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.rd_len_p0_u = 0x09, |
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.card_misc_cfg_reg = 0x6c, |
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.func1_dump_reg_start = 0x0, |
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.func1_dump_reg_end = 0x9, |
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.func1_scratch_reg = 0x60, |
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.func1_spec_reg_num = 5, |
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.func1_spec_reg_table = {0x28, 0x30, 0x34, 0x38, 0x3c}, |
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}; |
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static const struct mwifiex_sdio_card_reg mwifiex_reg_sd8897 = { |
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.start_rd_port = 0, |
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.start_wr_port = 0, |
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.base_0_reg = 0x60, |
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.base_1_reg = 0x61, |
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.poll_reg = 0x50, |
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.host_int_enable = UP_LD_HOST_INT_MASK | DN_LD_HOST_INT_MASK | |
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CMD_PORT_UPLD_INT_MASK | CMD_PORT_DNLD_INT_MASK, |
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.host_int_rsr_reg = 0x1, |
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.host_int_status_reg = 0x03, |
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.host_int_mask_reg = 0x02, |
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.status_reg_0 = 0xc0, |
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.status_reg_1 = 0xc1, |
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.sdio_int_mask = 0xff, |
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.data_port_mask = 0xffffffff, |
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.io_port_0_reg = 0xD8, |
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.io_port_1_reg = 0xD9, |
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.io_port_2_reg = 0xDA, |
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.max_mp_regs = 184, |
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.rd_bitmap_l = 0x04, |
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.rd_bitmap_u = 0x05, |
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.rd_bitmap_1l = 0x06, |
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.rd_bitmap_1u = 0x07, |
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.wr_bitmap_l = 0x08, |
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.wr_bitmap_u = 0x09, |
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.wr_bitmap_1l = 0x0a, |
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.wr_bitmap_1u = 0x0b, |
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.rd_len_p0_l = 0x0c, |
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.rd_len_p0_u = 0x0d, |
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.card_misc_cfg_reg = 0xcc, |
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.card_cfg_2_1_reg = 0xcd, |
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.cmd_rd_len_0 = 0xb4, |
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.cmd_rd_len_1 = 0xb5, |
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.cmd_rd_len_2 = 0xb6, |
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.cmd_rd_len_3 = 0xb7, |
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.cmd_cfg_0 = 0xb8, |
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.cmd_cfg_1 = 0xb9, |
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.cmd_cfg_2 = 0xba, |
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.cmd_cfg_3 = 0xbb, |
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.fw_dump_host_ready = 0xee, |
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.fw_dump_ctrl = 0xe2, |
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.fw_dump_start = 0xe3, |
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.fw_dump_end = 0xea, |
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.func1_dump_reg_start = 0x0, |
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.func1_dump_reg_end = 0xb, |
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.func1_scratch_reg = 0xc0, |
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.func1_spec_reg_num = 8, |
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.func1_spec_reg_table = {0x4C, 0x50, 0x54, 0x55, 0x58, |
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0x59, 0x5c, 0x5d}, |
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}; |
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static const struct mwifiex_sdio_card_reg mwifiex_reg_sd8977 = { |
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.start_rd_port = 0, |
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.start_wr_port = 0, |
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.base_0_reg = 0xF8, |
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.base_1_reg = 0xF9, |
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.poll_reg = 0x5C, |
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.host_int_enable = UP_LD_HOST_INT_MASK | DN_LD_HOST_INT_MASK | |
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CMD_PORT_UPLD_INT_MASK | CMD_PORT_DNLD_INT_MASK, |
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.host_int_rsr_reg = 0x4, |
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.host_int_status_reg = 0x0C, |
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.host_int_mask_reg = 0x08, |
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.status_reg_0 = 0xE8, |
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.status_reg_1 = 0xE9, |
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.sdio_int_mask = 0xff, |
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.data_port_mask = 0xffffffff, |
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.io_port_0_reg = 0xE4, |
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.io_port_1_reg = 0xE5, |
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.io_port_2_reg = 0xE6, |
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.max_mp_regs = 196, |
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.rd_bitmap_l = 0x10, |
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.rd_bitmap_u = 0x11, |
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.rd_bitmap_1l = 0x12, |
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.rd_bitmap_1u = 0x13, |
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.wr_bitmap_l = 0x14, |
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.wr_bitmap_u = 0x15, |
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.wr_bitmap_1l = 0x16, |
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.wr_bitmap_1u = 0x17, |
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.rd_len_p0_l = 0x18, |
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.rd_len_p0_u = 0x19, |
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.card_misc_cfg_reg = 0xd8, |
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.card_cfg_2_1_reg = 0xd9, |
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.cmd_rd_len_0 = 0xc0, |
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.cmd_rd_len_1 = 0xc1, |
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.cmd_rd_len_2 = 0xc2, |
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.cmd_rd_len_3 = 0xc3, |
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.cmd_cfg_0 = 0xc4, |
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.cmd_cfg_1 = 0xc5, |
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.cmd_cfg_2 = 0xc6, |
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.cmd_cfg_3 = 0xc7, |
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.fw_dump_host_ready = 0xcc, |
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.fw_dump_ctrl = 0xf0, |
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.fw_dump_start = 0xf1, |
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.fw_dump_end = 0xf8, |
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.func1_dump_reg_start = 0x10, |
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.func1_dump_reg_end = 0x17, |
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.func1_scratch_reg = 0xe8, |
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.func1_spec_reg_num = 13, |
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.func1_spec_reg_table = {0x08, 0x58, 0x5C, 0x5D, |
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0x60, 0x61, 0x62, 0x64, |
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0x65, 0x66, 0x68, 0x69, |
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0x6a}, |
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}; |
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static const struct mwifiex_sdio_card_reg mwifiex_reg_sd8997 = { |
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.start_rd_port = 0, |
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.start_wr_port = 0, |
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.base_0_reg = 0xF8, |
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.base_1_reg = 0xF9, |
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.poll_reg = 0x5C, |
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.host_int_enable = UP_LD_HOST_INT_MASK | DN_LD_HOST_INT_MASK | |
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CMD_PORT_UPLD_INT_MASK | CMD_PORT_DNLD_INT_MASK, |
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.host_int_rsr_reg = 0x4, |
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.host_int_status_reg = 0x0C, |
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.host_int_mask_reg = 0x08, |
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.status_reg_0 = 0xE8, |
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.status_reg_1 = 0xE9, |
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.sdio_int_mask = 0xff, |
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.data_port_mask = 0xffffffff, |
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.io_port_0_reg = 0xE4, |
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.io_port_1_reg = 0xE5, |
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.io_port_2_reg = 0xE6, |
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.max_mp_regs = 196, |
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.rd_bitmap_l = 0x10, |
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.rd_bitmap_u = 0x11, |
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.rd_bitmap_1l = 0x12, |
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.rd_bitmap_1u = 0x13, |
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.wr_bitmap_l = 0x14, |
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.wr_bitmap_u = 0x15, |
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.wr_bitmap_1l = 0x16, |
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.wr_bitmap_1u = 0x17, |
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.rd_len_p0_l = 0x18, |
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.rd_len_p0_u = 0x19, |
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.card_misc_cfg_reg = 0xd8, |
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.card_cfg_2_1_reg = 0xd9, |
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.cmd_rd_len_0 = 0xc0, |
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.cmd_rd_len_1 = 0xc1, |
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.cmd_rd_len_2 = 0xc2, |
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.cmd_rd_len_3 = 0xc3, |
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.cmd_cfg_0 = 0xc4, |
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.cmd_cfg_1 = 0xc5, |
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.cmd_cfg_2 = 0xc6, |
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.cmd_cfg_3 = 0xc7, |
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.fw_dump_host_ready = 0xcc, |
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.fw_dump_ctrl = 0xf0, |
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.fw_dump_start = 0xf1, |
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.fw_dump_end = 0xf8, |
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.func1_dump_reg_start = 0x10, |
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.func1_dump_reg_end = 0x17, |
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.func1_scratch_reg = 0xe8, |
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.func1_spec_reg_num = 13, |
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.func1_spec_reg_table = {0x08, 0x58, 0x5C, 0x5D, |
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0x60, 0x61, 0x62, 0x64, |
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0x65, 0x66, 0x68, 0x69, |
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0x6a}, |
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}; |
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static const struct mwifiex_sdio_card_reg mwifiex_reg_sd8887 = { |
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.start_rd_port = 0, |
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.start_wr_port = 0, |
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.base_0_reg = 0x6C, |
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.base_1_reg = 0x6D, |
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.poll_reg = 0x5C, |
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.host_int_enable = UP_LD_HOST_INT_MASK | DN_LD_HOST_INT_MASK | |
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CMD_PORT_UPLD_INT_MASK | CMD_PORT_DNLD_INT_MASK, |
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.host_int_rsr_reg = 0x4, |
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.host_int_status_reg = 0x0C, |
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.host_int_mask_reg = 0x08, |
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.status_reg_0 = 0x90, |
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.status_reg_1 = 0x91, |
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.sdio_int_mask = 0xff, |
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.data_port_mask = 0xffffffff, |
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.io_port_0_reg = 0xE4, |
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.io_port_1_reg = 0xE5, |
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.io_port_2_reg = 0xE6, |
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.max_mp_regs = 196, |
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.rd_bitmap_l = 0x10, |
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.rd_bitmap_u = 0x11, |
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.rd_bitmap_1l = 0x12, |
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.rd_bitmap_1u = 0x13, |
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.wr_bitmap_l = 0x14, |
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.wr_bitmap_u = 0x15, |
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.wr_bitmap_1l = 0x16, |
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.wr_bitmap_1u = 0x17, |
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.rd_len_p0_l = 0x18, |
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.rd_len_p0_u = 0x19, |
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.card_misc_cfg_reg = 0xd8, |
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.card_cfg_2_1_reg = 0xd9, |
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.cmd_rd_len_0 = 0xc0, |
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.cmd_rd_len_1 = 0xc1, |
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.cmd_rd_len_2 = 0xc2, |
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.cmd_rd_len_3 = 0xc3, |
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.cmd_cfg_0 = 0xc4, |
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.cmd_cfg_1 = 0xc5, |
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.cmd_cfg_2 = 0xc6, |
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.cmd_cfg_3 = 0xc7, |
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.func1_dump_reg_start = 0x10, |
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.func1_dump_reg_end = 0x17, |
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.func1_scratch_reg = 0x90, |
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.func1_spec_reg_num = 13, |
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.func1_spec_reg_table = {0x08, 0x58, 0x5C, 0x5D, 0x60, |
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0x61, 0x62, 0x64, 0x65, 0x66, |
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0x68, 0x69, 0x6a}, |
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}; |
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static const struct mwifiex_sdio_card_reg mwifiex_reg_sd8987 = { |
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.start_rd_port = 0, |
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.start_wr_port = 0, |
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.base_0_reg = 0xF8, |
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.base_1_reg = 0xF9, |
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.poll_reg = 0x5C, |
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.host_int_enable = UP_LD_HOST_INT_MASK | DN_LD_HOST_INT_MASK | |
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CMD_PORT_UPLD_INT_MASK | CMD_PORT_DNLD_INT_MASK, |
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.host_int_rsr_reg = 0x4, |
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.host_int_status_reg = 0x0C, |
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.host_int_mask_reg = 0x08, |
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.status_reg_0 = 0xE8, |
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.status_reg_1 = 0xE9, |
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.sdio_int_mask = 0xff, |
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.data_port_mask = 0xffffffff, |
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.io_port_0_reg = 0xE4, |
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.io_port_1_reg = 0xE5, |
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.io_port_2_reg = 0xE6, |
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.max_mp_regs = 196, |
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.rd_bitmap_l = 0x10, |
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.rd_bitmap_u = 0x11, |
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.rd_bitmap_1l = 0x12, |
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.rd_bitmap_1u = 0x13, |
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.wr_bitmap_l = 0x14, |
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.wr_bitmap_u = 0x15, |
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.wr_bitmap_1l = 0x16, |
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.wr_bitmap_1u = 0x17, |
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.rd_len_p0_l = 0x18, |
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.rd_len_p0_u = 0x19, |
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.card_misc_cfg_reg = 0xd8, |
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.card_cfg_2_1_reg = 0xd9, |
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.cmd_rd_len_0 = 0xc0, |
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.cmd_rd_len_1 = 0xc1, |
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.cmd_rd_len_2 = 0xc2, |
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.cmd_rd_len_3 = 0xc3, |
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.cmd_cfg_0 = 0xc4, |
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.cmd_cfg_1 = 0xc5, |
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.cmd_cfg_2 = 0xc6, |
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.cmd_cfg_3 = 0xc7, |
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.fw_dump_host_ready = 0xcc, |
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.fw_dump_ctrl = 0xf9, |
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.fw_dump_start = 0xf1, |
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.fw_dump_end = 0xf8, |
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.func1_dump_reg_start = 0x10, |
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.func1_dump_reg_end = 0x17, |
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.func1_scratch_reg = 0xE8, |
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.func1_spec_reg_num = 13, |
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.func1_spec_reg_table = {0x08, 0x58, 0x5C, 0x5D, 0x60, |
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0x61, 0x62, 0x64, 0x65, 0x66, |
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0x68, 0x69, 0x6a}, |
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}; |
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static const struct mwifiex_sdio_device mwifiex_sdio_sd8786 = { |
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.firmware = SD8786_DEFAULT_FW_NAME, |
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.reg = &mwifiex_reg_sd87xx, |
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.max_ports = 16, |
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.mp_agg_pkt_limit = 8, |
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.tx_buf_size = MWIFIEX_TX_DATA_BUF_SIZE_2K, |
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.mp_tx_agg_buf_size = MWIFIEX_MP_AGGR_BUF_SIZE_16K, |
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.mp_rx_agg_buf_size = MWIFIEX_MP_AGGR_BUF_SIZE_16K, |
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.supports_sdio_new_mode = false, |
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.has_control_mask = true, |
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.can_dump_fw = false, |
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.can_auto_tdls = false, |
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.can_ext_scan = false, |
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}; |
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static const struct mwifiex_sdio_device mwifiex_sdio_sd8787 = { |
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.firmware = SD8787_DEFAULT_FW_NAME, |
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.reg = &mwifiex_reg_sd87xx, |
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.max_ports = 16, |
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.mp_agg_pkt_limit = 8, |
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.tx_buf_size = MWIFIEX_TX_DATA_BUF_SIZE_2K, |
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.mp_tx_agg_buf_size = MWIFIEX_MP_AGGR_BUF_SIZE_16K, |
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.mp_rx_agg_buf_size = MWIFIEX_MP_AGGR_BUF_SIZE_16K, |
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.supports_sdio_new_mode = false, |
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.has_control_mask = true, |
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.can_dump_fw = false, |
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.can_auto_tdls = false, |
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.can_ext_scan = true, |
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}; |
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static const struct mwifiex_sdio_device mwifiex_sdio_sd8797 = { |
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.firmware = SD8797_DEFAULT_FW_NAME, |
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.reg = &mwifiex_reg_sd87xx, |
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.max_ports = 16, |
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.mp_agg_pkt_limit = 8, |
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.tx_buf_size = MWIFIEX_TX_DATA_BUF_SIZE_2K, |
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.mp_tx_agg_buf_size = MWIFIEX_MP_AGGR_BUF_SIZE_16K, |
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.mp_rx_agg_buf_size = MWIFIEX_MP_AGGR_BUF_SIZE_16K, |
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.supports_sdio_new_mode = false, |
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.has_control_mask = true, |
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.can_dump_fw = false, |
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.can_auto_tdls = false, |
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.can_ext_scan = true, |
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}; |
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static const struct mwifiex_sdio_device mwifiex_sdio_sd8897 = { |
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.firmware = SD8897_DEFAULT_FW_NAME, |
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.reg = &mwifiex_reg_sd8897, |
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.max_ports = 32, |
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.mp_agg_pkt_limit = 16, |
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.tx_buf_size = MWIFIEX_TX_DATA_BUF_SIZE_4K, |
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.mp_tx_agg_buf_size = MWIFIEX_MP_AGGR_BUF_SIZE_MAX, |
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.mp_rx_agg_buf_size = MWIFIEX_MP_AGGR_BUF_SIZE_MAX, |
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.supports_sdio_new_mode = true, |
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.has_control_mask = false, |
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.can_dump_fw = true, |
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.can_auto_tdls = false, |
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.can_ext_scan = true, |
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}; |
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static const struct mwifiex_sdio_device mwifiex_sdio_sd8977 = { |
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.firmware = SD8977_DEFAULT_FW_NAME, |
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.reg = &mwifiex_reg_sd8977, |
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.max_ports = 32, |
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.mp_agg_pkt_limit = 16, |
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.tx_buf_size = MWIFIEX_TX_DATA_BUF_SIZE_4K, |
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.mp_tx_agg_buf_size = MWIFIEX_MP_AGGR_BUF_SIZE_MAX, |
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.mp_rx_agg_buf_size = MWIFIEX_MP_AGGR_BUF_SIZE_MAX, |
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.supports_sdio_new_mode = true, |
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.has_control_mask = false, |
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.can_dump_fw = true, |
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.fw_dump_enh = true, |
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.can_auto_tdls = false, |
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.can_ext_scan = true, |
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}; |
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static const struct mwifiex_sdio_device mwifiex_sdio_sd8997 = { |
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.firmware = SD8997_DEFAULT_FW_NAME, |
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.reg = &mwifiex_reg_sd8997, |
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.max_ports = 32, |
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.mp_agg_pkt_limit = 16, |
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.tx_buf_size = MWIFIEX_TX_DATA_BUF_SIZE_4K, |
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.mp_tx_agg_buf_size = MWIFIEX_MP_AGGR_BUF_SIZE_MAX, |
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.mp_rx_agg_buf_size = MWIFIEX_MP_AGGR_BUF_SIZE_MAX, |
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.supports_sdio_new_mode = true, |
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.has_control_mask = false, |
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.can_dump_fw = true, |
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.fw_dump_enh = true, |
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.can_auto_tdls = false, |
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.can_ext_scan = true, |
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}; |
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static const struct mwifiex_sdio_device mwifiex_sdio_sd8887 = { |
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.firmware = SD8887_DEFAULT_FW_NAME, |
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.reg = &mwifiex_reg_sd8887, |
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.max_ports = 32, |
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.mp_agg_pkt_limit = 16, |
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.tx_buf_size = MWIFIEX_TX_DATA_BUF_SIZE_2K, |
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.mp_tx_agg_buf_size = MWIFIEX_MP_AGGR_BUF_SIZE_32K, |
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.mp_rx_agg_buf_size = MWIFIEX_MP_AGGR_BUF_SIZE_32K, |
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.supports_sdio_new_mode = true, |
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.has_control_mask = false, |
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.can_dump_fw = false, |
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.can_auto_tdls = true, |
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.can_ext_scan = true, |
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}; |
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|
|
static const struct mwifiex_sdio_device mwifiex_sdio_sd8987 = { |
|
.firmware = SD8987_DEFAULT_FW_NAME, |
|
.reg = &mwifiex_reg_sd8987, |
|
.max_ports = 32, |
|
.mp_agg_pkt_limit = 16, |
|
.tx_buf_size = MWIFIEX_TX_DATA_BUF_SIZE_2K, |
|
.mp_tx_agg_buf_size = MWIFIEX_MP_AGGR_BUF_SIZE_MAX, |
|
.mp_rx_agg_buf_size = MWIFIEX_MP_AGGR_BUF_SIZE_MAX, |
|
.supports_sdio_new_mode = true, |
|
.has_control_mask = false, |
|
.can_dump_fw = true, |
|
.fw_dump_enh = true, |
|
.can_auto_tdls = true, |
|
.can_ext_scan = true, |
|
}; |
|
|
|
static const struct mwifiex_sdio_device mwifiex_sdio_sd8801 = { |
|
.firmware = SD8801_DEFAULT_FW_NAME, |
|
.reg = &mwifiex_reg_sd87xx, |
|
.max_ports = 16, |
|
.mp_agg_pkt_limit = 8, |
|
.supports_sdio_new_mode = false, |
|
.has_control_mask = true, |
|
.tx_buf_size = MWIFIEX_TX_DATA_BUF_SIZE_2K, |
|
.mp_tx_agg_buf_size = MWIFIEX_MP_AGGR_BUF_SIZE_16K, |
|
.mp_rx_agg_buf_size = MWIFIEX_MP_AGGR_BUF_SIZE_16K, |
|
.can_dump_fw = false, |
|
.can_auto_tdls = false, |
|
.can_ext_scan = true, |
|
}; |
|
|
|
static struct memory_type_mapping generic_mem_type_map[] = { |
|
{"DUMP", NULL, 0, 0xDD}, |
|
}; |
|
|
|
static struct memory_type_mapping mem_type_mapping_tbl[] = { |
|
{"ITCM", NULL, 0, 0xF0}, |
|
{"DTCM", NULL, 0, 0xF1}, |
|
{"SQRAM", NULL, 0, 0xF2}, |
|
{"APU", NULL, 0, 0xF3}, |
|
{"CIU", NULL, 0, 0xF4}, |
|
{"ICU", NULL, 0, 0xF5}, |
|
{"MAC", NULL, 0, 0xF6}, |
|
{"EXT7", NULL, 0, 0xF7}, |
|
{"EXT8", NULL, 0, 0xF8}, |
|
{"EXT9", NULL, 0, 0xF9}, |
|
{"EXT10", NULL, 0, 0xFA}, |
|
{"EXT11", NULL, 0, 0xFB}, |
|
{"EXT12", NULL, 0, 0xFC}, |
|
{"EXT13", NULL, 0, 0xFD}, |
|
{"EXTLAST", NULL, 0, 0xFE}, |
|
}; |
|
|
|
static const struct of_device_id mwifiex_sdio_of_match_table[] = { |
|
{ .compatible = "marvell,sd8897" }, |
|
{ .compatible = "marvell,sd8997" }, |
|
{ } |
|
}; |
|
|
|
/* This function parse device tree node using mmc subnode devicetree API. |
|
* The device node is saved in card->plt_of_node. |
|
* if the device tree node exist and include interrupts attributes, this |
|
* function will also request platform specific wakeup interrupt. |
|
*/ |
|
static int mwifiex_sdio_probe_of(struct device *dev) |
|
{ |
|
if (!of_match_node(mwifiex_sdio_of_match_table, dev->of_node)) { |
|
dev_err(dev, "required compatible string missing\n"); |
|
return -EINVAL; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
/* |
|
* SDIO probe. |
|
* |
|
* This function probes an mwifiex device and registers it. It allocates |
|
* the card structure, enables SDIO function number and initiates the |
|
* device registration and initialization procedure by adding a logical |
|
* interface. |
|
*/ |
|
static int |
|
mwifiex_sdio_probe(struct sdio_func *func, const struct sdio_device_id *id) |
|
{ |
|
int ret; |
|
struct sdio_mmc_card *card = NULL; |
|
|
|
pr_debug("info: vendor=0x%4.04X device=0x%4.04X class=%d function=%d\n", |
|
func->vendor, func->device, func->class, func->num); |
|
|
|
card = devm_kzalloc(&func->dev, sizeof(*card), GFP_KERNEL); |
|
if (!card) |
|
return -ENOMEM; |
|
|
|
init_completion(&card->fw_done); |
|
|
|
card->func = func; |
|
|
|
func->card->quirks |= MMC_QUIRK_BLKSZ_FOR_BYTE_MODE; |
|
|
|
if (id->driver_data) { |
|
struct mwifiex_sdio_device *data = (void *)id->driver_data; |
|
|
|
card->firmware = data->firmware; |
|
card->reg = data->reg; |
|
card->max_ports = data->max_ports; |
|
card->mp_agg_pkt_limit = data->mp_agg_pkt_limit; |
|
card->supports_sdio_new_mode = data->supports_sdio_new_mode; |
|
card->has_control_mask = data->has_control_mask; |
|
card->tx_buf_size = data->tx_buf_size; |
|
card->mp_tx_agg_buf_size = data->mp_tx_agg_buf_size; |
|
card->mp_rx_agg_buf_size = data->mp_rx_agg_buf_size; |
|
card->can_dump_fw = data->can_dump_fw; |
|
card->fw_dump_enh = data->fw_dump_enh; |
|
card->can_auto_tdls = data->can_auto_tdls; |
|
card->can_ext_scan = data->can_ext_scan; |
|
INIT_WORK(&card->work, mwifiex_sdio_work); |
|
} |
|
|
|
sdio_claim_host(func); |
|
ret = sdio_enable_func(func); |
|
sdio_release_host(func); |
|
|
|
if (ret) { |
|
dev_err(&func->dev, "failed to enable function\n"); |
|
return ret; |
|
} |
|
|
|
/* device tree node parsing and platform specific configuration*/ |
|
if (func->dev.of_node) { |
|
ret = mwifiex_sdio_probe_of(&func->dev); |
|
if (ret) |
|
goto err_disable; |
|
} |
|
|
|
ret = mwifiex_add_card(card, &card->fw_done, &sdio_ops, |
|
MWIFIEX_SDIO, &func->dev); |
|
if (ret) { |
|
dev_err(&func->dev, "add card failed\n"); |
|
goto err_disable; |
|
} |
|
|
|
return 0; |
|
|
|
err_disable: |
|
sdio_claim_host(func); |
|
sdio_disable_func(func); |
|
sdio_release_host(func); |
|
|
|
return ret; |
|
} |
|
|
|
/* |
|
* SDIO resume. |
|
* |
|
* Kernel needs to suspend all functions separately. Therefore all |
|
* registered functions must have drivers with suspend and resume |
|
* methods. Failing that the kernel simply removes the whole card. |
|
* |
|
* If already not resumed, this function turns on the traffic and |
|
* sends a host sleep cancel request to the firmware. |
|
*/ |
|
static int mwifiex_sdio_resume(struct device *dev) |
|
{ |
|
struct sdio_func *func = dev_to_sdio_func(dev); |
|
struct sdio_mmc_card *card; |
|
struct mwifiex_adapter *adapter; |
|
|
|
card = sdio_get_drvdata(func); |
|
if (!card || !card->adapter) { |
|
dev_err(dev, "resume: invalid card or adapter\n"); |
|
return 0; |
|
} |
|
|
|
adapter = card->adapter; |
|
|
|
if (!test_bit(MWIFIEX_IS_SUSPENDED, &adapter->work_flags)) { |
|
mwifiex_dbg(adapter, WARN, |
|
"device already resumed\n"); |
|
return 0; |
|
} |
|
|
|
clear_bit(MWIFIEX_IS_SUSPENDED, &adapter->work_flags); |
|
|
|
/* Disable Host Sleep */ |
|
mwifiex_cancel_hs(mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA), |
|
MWIFIEX_SYNC_CMD); |
|
|
|
mwifiex_disable_wake(adapter); |
|
|
|
return 0; |
|
} |
|
|
|
/* Write data into SDIO card register. Caller claims SDIO device. */ |
|
static int |
|
mwifiex_write_reg_locked(struct sdio_func *func, u32 reg, u8 data) |
|
{ |
|
int ret = -1; |
|
|
|
sdio_writeb(func, data, reg, &ret); |
|
return ret; |
|
} |
|
|
|
/* This function writes data into SDIO card register. |
|
*/ |
|
static int |
|
mwifiex_write_reg(struct mwifiex_adapter *adapter, u32 reg, u8 data) |
|
{ |
|
struct sdio_mmc_card *card = adapter->card; |
|
int ret; |
|
|
|
sdio_claim_host(card->func); |
|
ret = mwifiex_write_reg_locked(card->func, reg, data); |
|
sdio_release_host(card->func); |
|
|
|
return ret; |
|
} |
|
|
|
/* This function reads data from SDIO card register. |
|
*/ |
|
static int |
|
mwifiex_read_reg(struct mwifiex_adapter *adapter, u32 reg, u8 *data) |
|
{ |
|
struct sdio_mmc_card *card = adapter->card; |
|
int ret = -1; |
|
u8 val; |
|
|
|
sdio_claim_host(card->func); |
|
val = sdio_readb(card->func, reg, &ret); |
|
sdio_release_host(card->func); |
|
|
|
*data = val; |
|
|
|
return ret; |
|
} |
|
|
|
/* This function writes multiple data into SDIO card memory. |
|
* |
|
* This does not work in suspended mode. |
|
*/ |
|
static int |
|
mwifiex_write_data_sync(struct mwifiex_adapter *adapter, |
|
u8 *buffer, u32 pkt_len, u32 port) |
|
{ |
|
struct sdio_mmc_card *card = adapter->card; |
|
int ret; |
|
u8 blk_mode = |
|
(port & MWIFIEX_SDIO_BYTE_MODE_MASK) ? BYTE_MODE : BLOCK_MODE; |
|
u32 blk_size = (blk_mode == BLOCK_MODE) ? MWIFIEX_SDIO_BLOCK_SIZE : 1; |
|
u32 blk_cnt = |
|
(blk_mode == |
|
BLOCK_MODE) ? (pkt_len / |
|
MWIFIEX_SDIO_BLOCK_SIZE) : pkt_len; |
|
u32 ioport = (port & MWIFIEX_SDIO_IO_PORT_MASK); |
|
|
|
if (test_bit(MWIFIEX_IS_SUSPENDED, &adapter->work_flags)) { |
|
mwifiex_dbg(adapter, ERROR, |
|
"%s: not allowed while suspended\n", __func__); |
|
return -1; |
|
} |
|
|
|
sdio_claim_host(card->func); |
|
|
|
ret = sdio_writesb(card->func, ioport, buffer, blk_cnt * blk_size); |
|
|
|
sdio_release_host(card->func); |
|
|
|
return ret; |
|
} |
|
|
|
/* This function reads multiple data from SDIO card memory. |
|
*/ |
|
static int mwifiex_read_data_sync(struct mwifiex_adapter *adapter, u8 *buffer, |
|
u32 len, u32 port, u8 claim) |
|
{ |
|
struct sdio_mmc_card *card = adapter->card; |
|
int ret; |
|
u8 blk_mode = (port & MWIFIEX_SDIO_BYTE_MODE_MASK) ? BYTE_MODE |
|
: BLOCK_MODE; |
|
u32 blk_size = (blk_mode == BLOCK_MODE) ? MWIFIEX_SDIO_BLOCK_SIZE : 1; |
|
u32 blk_cnt = (blk_mode == BLOCK_MODE) ? (len / MWIFIEX_SDIO_BLOCK_SIZE) |
|
: len; |
|
u32 ioport = (port & MWIFIEX_SDIO_IO_PORT_MASK); |
|
|
|
if (claim) |
|
sdio_claim_host(card->func); |
|
|
|
ret = sdio_readsb(card->func, buffer, ioport, blk_cnt * blk_size); |
|
|
|
if (claim) |
|
sdio_release_host(card->func); |
|
|
|
return ret; |
|
} |
|
|
|
/* This function reads the firmware status. |
|
*/ |
|
static int |
|
mwifiex_sdio_read_fw_status(struct mwifiex_adapter *adapter, u16 *dat) |
|
{ |
|
struct sdio_mmc_card *card = adapter->card; |
|
const struct mwifiex_sdio_card_reg *reg = card->reg; |
|
u8 fws0, fws1; |
|
|
|
if (mwifiex_read_reg(adapter, reg->status_reg_0, &fws0)) |
|
return -1; |
|
|
|
if (mwifiex_read_reg(adapter, reg->status_reg_1, &fws1)) |
|
return -1; |
|
|
|
*dat = (u16)((fws1 << 8) | fws0); |
|
return 0; |
|
} |
|
|
|
/* This function checks the firmware status in card. |
|
*/ |
|
static int mwifiex_check_fw_status(struct mwifiex_adapter *adapter, |
|
u32 poll_num) |
|
{ |
|
int ret = 0; |
|
u16 firmware_stat; |
|
u32 tries; |
|
|
|
for (tries = 0; tries < poll_num; tries++) { |
|
ret = mwifiex_sdio_read_fw_status(adapter, &firmware_stat); |
|
if (ret) |
|
continue; |
|
if (firmware_stat == FIRMWARE_READY_SDIO) { |
|
ret = 0; |
|
break; |
|
} |
|
|
|
msleep(100); |
|
ret = -1; |
|
} |
|
|
|
return ret; |
|
} |
|
|
|
/* This function checks if WLAN is the winner. |
|
*/ |
|
static int mwifiex_check_winner_status(struct mwifiex_adapter *adapter) |
|
{ |
|
int ret = 0; |
|
u8 winner = 0; |
|
struct sdio_mmc_card *card = adapter->card; |
|
|
|
if (mwifiex_read_reg(adapter, card->reg->status_reg_0, &winner)) |
|
return -1; |
|
|
|
if (winner) |
|
adapter->winner = 0; |
|
else |
|
adapter->winner = 1; |
|
|
|
return ret; |
|
} |
|
|
|
/* |
|
* SDIO remove. |
|
* |
|
* This function removes the interface and frees up the card structure. |
|
*/ |
|
static void |
|
mwifiex_sdio_remove(struct sdio_func *func) |
|
{ |
|
struct sdio_mmc_card *card; |
|
struct mwifiex_adapter *adapter; |
|
struct mwifiex_private *priv; |
|
int ret = 0; |
|
u16 firmware_stat; |
|
|
|
card = sdio_get_drvdata(func); |
|
if (!card) |
|
return; |
|
|
|
wait_for_completion(&card->fw_done); |
|
|
|
adapter = card->adapter; |
|
if (!adapter || !adapter->priv_num) |
|
return; |
|
|
|
mwifiex_dbg(adapter, INFO, "info: SDIO func num=%d\n", func->num); |
|
|
|
ret = mwifiex_sdio_read_fw_status(adapter, &firmware_stat); |
|
if (!ret && firmware_stat == FIRMWARE_READY_SDIO && |
|
!adapter->mfg_mode) { |
|
mwifiex_deauthenticate_all(adapter); |
|
|
|
priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); |
|
mwifiex_disable_auto_ds(priv); |
|
mwifiex_init_shutdown_fw(priv, MWIFIEX_FUNC_SHUTDOWN); |
|
} |
|
|
|
mwifiex_remove_card(adapter); |
|
} |
|
|
|
/* |
|
* SDIO suspend. |
|
* |
|
* Kernel needs to suspend all functions separately. Therefore all |
|
* registered functions must have drivers with suspend and resume |
|
* methods. Failing that the kernel simply removes the whole card. |
|
* |
|
* If already not suspended, this function allocates and sends a host |
|
* sleep activate request to the firmware and turns off the traffic. |
|
*/ |
|
static int mwifiex_sdio_suspend(struct device *dev) |
|
{ |
|
struct sdio_func *func = dev_to_sdio_func(dev); |
|
struct sdio_mmc_card *card; |
|
struct mwifiex_adapter *adapter; |
|
mmc_pm_flag_t pm_flag = 0; |
|
int ret = 0; |
|
|
|
pm_flag = sdio_get_host_pm_caps(func); |
|
pr_debug("cmd: %s: suspend: PM flag = 0x%x\n", |
|
sdio_func_id(func), pm_flag); |
|
if (!(pm_flag & MMC_PM_KEEP_POWER)) { |
|
dev_err(dev, "%s: cannot remain alive while host is" |
|
" suspended\n", sdio_func_id(func)); |
|
return -ENOSYS; |
|
} |
|
|
|
card = sdio_get_drvdata(func); |
|
if (!card) { |
|
dev_err(dev, "suspend: invalid card\n"); |
|
return 0; |
|
} |
|
|
|
/* Might still be loading firmware */ |
|
wait_for_completion(&card->fw_done); |
|
|
|
adapter = card->adapter; |
|
if (!adapter) { |
|
dev_err(dev, "adapter is not valid\n"); |
|
return 0; |
|
} |
|
|
|
if (!adapter->is_up) |
|
return -EBUSY; |
|
|
|
mwifiex_enable_wake(adapter); |
|
|
|
/* Enable the Host Sleep */ |
|
if (!mwifiex_enable_hs(adapter)) { |
|
mwifiex_dbg(adapter, ERROR, |
|
"cmd: failed to suspend\n"); |
|
clear_bit(MWIFIEX_IS_HS_ENABLING, &adapter->work_flags); |
|
mwifiex_disable_wake(adapter); |
|
return -EFAULT; |
|
} |
|
|
|
mwifiex_dbg(adapter, INFO, |
|
"cmd: suspend with MMC_PM_KEEP_POWER\n"); |
|
ret = sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER); |
|
|
|
/* Indicate device suspended */ |
|
set_bit(MWIFIEX_IS_SUSPENDED, &adapter->work_flags); |
|
clear_bit(MWIFIEX_IS_HS_ENABLING, &adapter->work_flags); |
|
|
|
return ret; |
|
} |
|
|
|
static void mwifiex_sdio_coredump(struct device *dev) |
|
{ |
|
struct sdio_func *func = dev_to_sdio_func(dev); |
|
struct sdio_mmc_card *card; |
|
|
|
card = sdio_get_drvdata(func); |
|
if (!test_and_set_bit(MWIFIEX_IFACE_WORK_DEVICE_DUMP, |
|
&card->work_flags)) |
|
schedule_work(&card->work); |
|
} |
|
|
|
/* WLAN IDs */ |
|
static const struct sdio_device_id mwifiex_ids[] = { |
|
{SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8786_WLAN), |
|
.driver_data = (unsigned long) &mwifiex_sdio_sd8786}, |
|
{SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8787_WLAN), |
|
.driver_data = (unsigned long) &mwifiex_sdio_sd8787}, |
|
{SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8797_WLAN), |
|
.driver_data = (unsigned long) &mwifiex_sdio_sd8797}, |
|
{SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8897_WLAN), |
|
.driver_data = (unsigned long) &mwifiex_sdio_sd8897}, |
|
{SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8887_WLAN), |
|
.driver_data = (unsigned long)&mwifiex_sdio_sd8887}, |
|
{SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8801_WLAN), |
|
.driver_data = (unsigned long)&mwifiex_sdio_sd8801}, |
|
{SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8977_WLAN), |
|
.driver_data = (unsigned long)&mwifiex_sdio_sd8977}, |
|
{SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8987_WLAN), |
|
.driver_data = (unsigned long)&mwifiex_sdio_sd8987}, |
|
{SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8997_WLAN), |
|
.driver_data = (unsigned long)&mwifiex_sdio_sd8997}, |
|
{}, |
|
}; |
|
|
|
MODULE_DEVICE_TABLE(sdio, mwifiex_ids); |
|
|
|
static const struct dev_pm_ops mwifiex_sdio_pm_ops = { |
|
.suspend = mwifiex_sdio_suspend, |
|
.resume = mwifiex_sdio_resume, |
|
}; |
|
|
|
static struct sdio_driver mwifiex_sdio = { |
|
.name = "mwifiex_sdio", |
|
.id_table = mwifiex_ids, |
|
.probe = mwifiex_sdio_probe, |
|
.remove = mwifiex_sdio_remove, |
|
.drv = { |
|
.owner = THIS_MODULE, |
|
.coredump = mwifiex_sdio_coredump, |
|
.pm = &mwifiex_sdio_pm_ops, |
|
} |
|
}; |
|
|
|
/* |
|
* This function wakes up the card. |
|
* |
|
* A host power up command is written to the card configuration |
|
* register to wake up the card. |
|
*/ |
|
static int mwifiex_pm_wakeup_card(struct mwifiex_adapter *adapter) |
|
{ |
|
mwifiex_dbg(adapter, EVENT, |
|
"event: wakeup device...\n"); |
|
|
|
return mwifiex_write_reg(adapter, CONFIGURATION_REG, HOST_POWER_UP); |
|
} |
|
|
|
/* |
|
* This function is called after the card has woken up. |
|
* |
|
* The card configuration register is reset. |
|
*/ |
|
static int mwifiex_pm_wakeup_card_complete(struct mwifiex_adapter *adapter) |
|
{ |
|
mwifiex_dbg(adapter, EVENT, |
|
"cmd: wakeup device completed\n"); |
|
|
|
return mwifiex_write_reg(adapter, CONFIGURATION_REG, 0); |
|
} |
|
|
|
static int mwifiex_sdio_dnld_fw(struct mwifiex_adapter *adapter, |
|
struct mwifiex_fw_image *fw) |
|
{ |
|
struct sdio_mmc_card *card = adapter->card; |
|
int ret; |
|
|
|
sdio_claim_host(card->func); |
|
ret = mwifiex_dnld_fw(adapter, fw); |
|
sdio_release_host(card->func); |
|
|
|
return ret; |
|
} |
|
|
|
/* |
|
* This function is used to initialize IO ports for the |
|
* chipsets supporting SDIO new mode eg SD8897. |
|
*/ |
|
static int mwifiex_init_sdio_new_mode(struct mwifiex_adapter *adapter) |
|
{ |
|
u8 reg; |
|
struct sdio_mmc_card *card = adapter->card; |
|
|
|
adapter->ioport = MEM_PORT; |
|
|
|
/* enable sdio new mode */ |
|
if (mwifiex_read_reg(adapter, card->reg->card_cfg_2_1_reg, ®)) |
|
return -1; |
|
if (mwifiex_write_reg(adapter, card->reg->card_cfg_2_1_reg, |
|
reg | CMD53_NEW_MODE)) |
|
return -1; |
|
|
|
/* Configure cmd port and enable reading rx length from the register */ |
|
if (mwifiex_read_reg(adapter, card->reg->cmd_cfg_0, ®)) |
|
return -1; |
|
if (mwifiex_write_reg(adapter, card->reg->cmd_cfg_0, |
|
reg | CMD_PORT_RD_LEN_EN)) |
|
return -1; |
|
|
|
/* Enable Dnld/Upld ready auto reset for cmd port after cmd53 is |
|
* completed |
|
*/ |
|
if (mwifiex_read_reg(adapter, card->reg->cmd_cfg_1, ®)) |
|
return -1; |
|
if (mwifiex_write_reg(adapter, card->reg->cmd_cfg_1, |
|
reg | CMD_PORT_AUTO_EN)) |
|
return -1; |
|
|
|
return 0; |
|
} |
|
|
|
/* This function initializes the IO ports. |
|
* |
|
* The following operations are performed - |
|
* - Read the IO ports (0, 1 and 2) |
|
* - Set host interrupt Reset-To-Read to clear |
|
* - Set auto re-enable interrupt |
|
*/ |
|
static int mwifiex_init_sdio_ioport(struct mwifiex_adapter *adapter) |
|
{ |
|
u8 reg; |
|
struct sdio_mmc_card *card = adapter->card; |
|
|
|
adapter->ioport = 0; |
|
|
|
if (card->supports_sdio_new_mode) { |
|
if (mwifiex_init_sdio_new_mode(adapter)) |
|
return -1; |
|
goto cont; |
|
} |
|
|
|
/* Read the IO port */ |
|
if (!mwifiex_read_reg(adapter, card->reg->io_port_0_reg, ®)) |
|
adapter->ioport |= (reg & 0xff); |
|
else |
|
return -1; |
|
|
|
if (!mwifiex_read_reg(adapter, card->reg->io_port_1_reg, ®)) |
|
adapter->ioport |= ((reg & 0xff) << 8); |
|
else |
|
return -1; |
|
|
|
if (!mwifiex_read_reg(adapter, card->reg->io_port_2_reg, ®)) |
|
adapter->ioport |= ((reg & 0xff) << 16); |
|
else |
|
return -1; |
|
cont: |
|
mwifiex_dbg(adapter, INFO, |
|
"info: SDIO FUNC1 IO port: %#x\n", adapter->ioport); |
|
|
|
/* Set Host interrupt reset to read to clear */ |
|
if (!mwifiex_read_reg(adapter, card->reg->host_int_rsr_reg, ®)) |
|
mwifiex_write_reg(adapter, card->reg->host_int_rsr_reg, |
|
reg | card->reg->sdio_int_mask); |
|
else |
|
return -1; |
|
|
|
/* Dnld/Upld ready set to auto reset */ |
|
if (!mwifiex_read_reg(adapter, card->reg->card_misc_cfg_reg, ®)) |
|
mwifiex_write_reg(adapter, card->reg->card_misc_cfg_reg, |
|
reg | AUTO_RE_ENABLE_INT); |
|
else |
|
return -1; |
|
|
|
return 0; |
|
} |
|
|
|
/* |
|
* This function sends data to the card. |
|
*/ |
|
static int mwifiex_write_data_to_card(struct mwifiex_adapter *adapter, |
|
u8 *payload, u32 pkt_len, u32 port) |
|
{ |
|
u32 i = 0; |
|
int ret; |
|
|
|
do { |
|
ret = mwifiex_write_data_sync(adapter, payload, pkt_len, port); |
|
if (ret) { |
|
i++; |
|
mwifiex_dbg(adapter, ERROR, |
|
"host_to_card, write iomem\t" |
|
"(%d) failed: %d\n", i, ret); |
|
if (mwifiex_write_reg(adapter, CONFIGURATION_REG, 0x04)) |
|
mwifiex_dbg(adapter, ERROR, |
|
"write CFG reg failed\n"); |
|
|
|
ret = -1; |
|
if (i > MAX_WRITE_IOMEM_RETRY) |
|
return ret; |
|
} |
|
} while (ret == -1); |
|
|
|
return ret; |
|
} |
|
|
|
/* |
|
* This function gets the read port. |
|
* |
|
* If control port bit is set in MP read bitmap, the control port |
|
* is returned, otherwise the current read port is returned and |
|
* the value is increased (provided it does not reach the maximum |
|
* limit, in which case it is reset to 1) |
|
*/ |
|
static int mwifiex_get_rd_port(struct mwifiex_adapter *adapter, u8 *port) |
|
{ |
|
struct sdio_mmc_card *card = adapter->card; |
|
const struct mwifiex_sdio_card_reg *reg = card->reg; |
|
u32 rd_bitmap = card->mp_rd_bitmap; |
|
|
|
mwifiex_dbg(adapter, DATA, |
|
"data: mp_rd_bitmap=0x%08x\n", rd_bitmap); |
|
|
|
if (card->supports_sdio_new_mode) { |
|
if (!(rd_bitmap & reg->data_port_mask)) |
|
return -1; |
|
} else { |
|
if (!(rd_bitmap & (CTRL_PORT_MASK | reg->data_port_mask))) |
|
return -1; |
|
} |
|
|
|
if ((card->has_control_mask) && |
|
(card->mp_rd_bitmap & CTRL_PORT_MASK)) { |
|
card->mp_rd_bitmap &= (u32) (~CTRL_PORT_MASK); |
|
*port = CTRL_PORT; |
|
mwifiex_dbg(adapter, DATA, |
|
"data: port=%d mp_rd_bitmap=0x%08x\n", |
|
*port, card->mp_rd_bitmap); |
|
return 0; |
|
} |
|
|
|
if (!(card->mp_rd_bitmap & (1 << card->curr_rd_port))) |
|
return -1; |
|
|
|
/* We are now handling the SDIO data ports */ |
|
card->mp_rd_bitmap &= (u32)(~(1 << card->curr_rd_port)); |
|
*port = card->curr_rd_port; |
|
|
|
if (++card->curr_rd_port == card->max_ports) |
|
card->curr_rd_port = reg->start_rd_port; |
|
|
|
mwifiex_dbg(adapter, DATA, |
|
"data: port=%d mp_rd_bitmap=0x%08x -> 0x%08x\n", |
|
*port, rd_bitmap, card->mp_rd_bitmap); |
|
|
|
return 0; |
|
} |
|
|
|
/* |
|
* This function gets the write port for data. |
|
* |
|
* The current write port is returned if available and the value is |
|
* increased (provided it does not reach the maximum limit, in which |
|
* case it is reset to 1) |
|
*/ |
|
static int mwifiex_get_wr_port_data(struct mwifiex_adapter *adapter, u32 *port) |
|
{ |
|
struct sdio_mmc_card *card = adapter->card; |
|
const struct mwifiex_sdio_card_reg *reg = card->reg; |
|
u32 wr_bitmap = card->mp_wr_bitmap; |
|
|
|
mwifiex_dbg(adapter, DATA, |
|
"data: mp_wr_bitmap=0x%08x\n", wr_bitmap); |
|
|
|
if (!(wr_bitmap & card->mp_data_port_mask)) { |
|
adapter->data_sent = true; |
|
return -EBUSY; |
|
} |
|
|
|
if (card->mp_wr_bitmap & (1 << card->curr_wr_port)) { |
|
card->mp_wr_bitmap &= (u32) (~(1 << card->curr_wr_port)); |
|
*port = card->curr_wr_port; |
|
if (++card->curr_wr_port == card->mp_end_port) |
|
card->curr_wr_port = reg->start_wr_port; |
|
} else { |
|
adapter->data_sent = true; |
|
return -EBUSY; |
|
} |
|
|
|
if ((card->has_control_mask) && (*port == CTRL_PORT)) { |
|
mwifiex_dbg(adapter, ERROR, |
|
"invalid data port=%d cur port=%d mp_wr_bitmap=0x%08x -> 0x%08x\n", |
|
*port, card->curr_wr_port, wr_bitmap, |
|
card->mp_wr_bitmap); |
|
return -1; |
|
} |
|
|
|
mwifiex_dbg(adapter, DATA, |
|
"data: port=%d mp_wr_bitmap=0x%08x -> 0x%08x\n", |
|
*port, wr_bitmap, card->mp_wr_bitmap); |
|
|
|
return 0; |
|
} |
|
|
|
/* |
|
* This function polls the card status. |
|
*/ |
|
static int |
|
mwifiex_sdio_poll_card_status(struct mwifiex_adapter *adapter, u8 bits) |
|
{ |
|
struct sdio_mmc_card *card = adapter->card; |
|
u32 tries; |
|
u8 cs; |
|
|
|
for (tries = 0; tries < MAX_POLL_TRIES; tries++) { |
|
if (mwifiex_read_reg(adapter, card->reg->poll_reg, &cs)) |
|
break; |
|
else if ((cs & bits) == bits) |
|
return 0; |
|
|
|
usleep_range(10, 20); |
|
} |
|
|
|
mwifiex_dbg(adapter, ERROR, |
|
"poll card status failed, tries = %d\n", tries); |
|
|
|
return -1; |
|
} |
|
|
|
/* |
|
* This function disables the host interrupt. |
|
* |
|
* The host interrupt mask is read, the disable bit is reset and |
|
* written back to the card host interrupt mask register. |
|
*/ |
|
static void mwifiex_sdio_disable_host_int(struct mwifiex_adapter *adapter) |
|
{ |
|
struct sdio_mmc_card *card = adapter->card; |
|
struct sdio_func *func = card->func; |
|
|
|
sdio_claim_host(func); |
|
mwifiex_write_reg_locked(func, card->reg->host_int_mask_reg, 0); |
|
sdio_release_irq(func); |
|
sdio_release_host(func); |
|
} |
|
|
|
/* |
|
* This function reads the interrupt status from card. |
|
*/ |
|
static void mwifiex_interrupt_status(struct mwifiex_adapter *adapter) |
|
{ |
|
struct sdio_mmc_card *card = adapter->card; |
|
u8 sdio_ireg; |
|
unsigned long flags; |
|
|
|
if (mwifiex_read_data_sync(adapter, card->mp_regs, |
|
card->reg->max_mp_regs, |
|
REG_PORT | MWIFIEX_SDIO_BYTE_MODE_MASK, 0)) { |
|
mwifiex_dbg(adapter, ERROR, "read mp_regs failed\n"); |
|
return; |
|
} |
|
|
|
sdio_ireg = card->mp_regs[card->reg->host_int_status_reg]; |
|
if (sdio_ireg) { |
|
/* |
|
* DN_LD_HOST_INT_STATUS and/or UP_LD_HOST_INT_STATUS |
|
* For SDIO new mode CMD port interrupts |
|
* DN_LD_CMD_PORT_HOST_INT_STATUS and/or |
|
* UP_LD_CMD_PORT_HOST_INT_STATUS |
|
* Clear the interrupt status register |
|
*/ |
|
mwifiex_dbg(adapter, INTR, |
|
"int: sdio_ireg = %#x\n", sdio_ireg); |
|
spin_lock_irqsave(&adapter->int_lock, flags); |
|
adapter->int_status |= sdio_ireg; |
|
spin_unlock_irqrestore(&adapter->int_lock, flags); |
|
} |
|
} |
|
|
|
/* |
|
* SDIO interrupt handler. |
|
* |
|
* This function reads the interrupt status from firmware and handles |
|
* the interrupt in current thread (ksdioirqd) right away. |
|
*/ |
|
static void |
|
mwifiex_sdio_interrupt(struct sdio_func *func) |
|
{ |
|
struct mwifiex_adapter *adapter; |
|
struct sdio_mmc_card *card; |
|
|
|
card = sdio_get_drvdata(func); |
|
if (!card || !card->adapter) { |
|
pr_err("int: func=%p card=%p adapter=%p\n", |
|
func, card, card ? card->adapter : NULL); |
|
return; |
|
} |
|
adapter = card->adapter; |
|
|
|
if (!adapter->pps_uapsd_mode && adapter->ps_state == PS_STATE_SLEEP) |
|
adapter->ps_state = PS_STATE_AWAKE; |
|
|
|
mwifiex_interrupt_status(adapter); |
|
mwifiex_main_process(adapter); |
|
} |
|
|
|
/* |
|
* This function enables the host interrupt. |
|
* |
|
* The host interrupt enable mask is written to the card |
|
* host interrupt mask register. |
|
*/ |
|
static int mwifiex_sdio_enable_host_int(struct mwifiex_adapter *adapter) |
|
{ |
|
struct sdio_mmc_card *card = adapter->card; |
|
struct sdio_func *func = card->func; |
|
int ret; |
|
|
|
sdio_claim_host(func); |
|
|
|
/* Request the SDIO IRQ */ |
|
ret = sdio_claim_irq(func, mwifiex_sdio_interrupt); |
|
if (ret) { |
|
mwifiex_dbg(adapter, ERROR, |
|
"claim irq failed: ret=%d\n", ret); |
|
goto out; |
|
} |
|
|
|
/* Simply write the mask to the register */ |
|
ret = mwifiex_write_reg_locked(func, card->reg->host_int_mask_reg, |
|
card->reg->host_int_enable); |
|
if (ret) { |
|
mwifiex_dbg(adapter, ERROR, |
|
"enable host interrupt failed\n"); |
|
sdio_release_irq(func); |
|
} |
|
|
|
out: |
|
sdio_release_host(func); |
|
return ret; |
|
} |
|
|
|
/* |
|
* This function sends a data buffer to the card. |
|
*/ |
|
static int mwifiex_sdio_card_to_host(struct mwifiex_adapter *adapter, |
|
u32 *type, u8 *buffer, |
|
u32 npayload, u32 ioport) |
|
{ |
|
int ret; |
|
u32 nb; |
|
|
|
if (!buffer) { |
|
mwifiex_dbg(adapter, ERROR, |
|
"%s: buffer is NULL\n", __func__); |
|
return -1; |
|
} |
|
|
|
ret = mwifiex_read_data_sync(adapter, buffer, npayload, ioport, 1); |
|
|
|
if (ret) { |
|
mwifiex_dbg(adapter, ERROR, |
|
"%s: read iomem failed: %d\n", __func__, |
|
ret); |
|
return -1; |
|
} |
|
|
|
nb = get_unaligned_le16((buffer)); |
|
if (nb > npayload) { |
|
mwifiex_dbg(adapter, ERROR, |
|
"%s: invalid packet, nb=%d npayload=%d\n", |
|
__func__, nb, npayload); |
|
return -1; |
|
} |
|
|
|
*type = get_unaligned_le16((buffer + 2)); |
|
|
|
return ret; |
|
} |
|
|
|
/* |
|
* This function downloads the firmware to the card. |
|
* |
|
* Firmware is downloaded to the card in blocks. Every block download |
|
* is tested for CRC errors, and retried a number of times before |
|
* returning failure. |
|
*/ |
|
static int mwifiex_prog_fw_w_helper(struct mwifiex_adapter *adapter, |
|
struct mwifiex_fw_image *fw) |
|
{ |
|
struct sdio_mmc_card *card = adapter->card; |
|
const struct mwifiex_sdio_card_reg *reg = card->reg; |
|
int ret; |
|
u8 *firmware = fw->fw_buf; |
|
u32 firmware_len = fw->fw_len; |
|
u32 offset = 0; |
|
u8 base0, base1; |
|
u8 *fwbuf; |
|
u16 len = 0; |
|
u32 txlen, tx_blocks = 0, tries; |
|
u32 i = 0; |
|
|
|
if (!firmware_len) { |
|
mwifiex_dbg(adapter, ERROR, |
|
"firmware image not found! Terminating download\n"); |
|
return -1; |
|
} |
|
|
|
mwifiex_dbg(adapter, INFO, |
|
"info: downloading FW image (%d bytes)\n", |
|
firmware_len); |
|
|
|
/* Assume that the allocated buffer is 8-byte aligned */ |
|
fwbuf = kzalloc(MWIFIEX_UPLD_SIZE, GFP_KERNEL); |
|
if (!fwbuf) |
|
return -ENOMEM; |
|
|
|
sdio_claim_host(card->func); |
|
|
|
/* Perform firmware data transfer */ |
|
do { |
|
/* The host polls for the DN_LD_CARD_RDY and CARD_IO_READY |
|
bits */ |
|
ret = mwifiex_sdio_poll_card_status(adapter, CARD_IO_READY | |
|
DN_LD_CARD_RDY); |
|
if (ret) { |
|
mwifiex_dbg(adapter, ERROR, |
|
"FW download with helper:\t" |
|
"poll status timeout @ %d\n", offset); |
|
goto done; |
|
} |
|
|
|
/* More data? */ |
|
if (offset >= firmware_len) |
|
break; |
|
|
|
for (tries = 0; tries < MAX_POLL_TRIES; tries++) { |
|
ret = mwifiex_read_reg(adapter, reg->base_0_reg, |
|
&base0); |
|
if (ret) { |
|
mwifiex_dbg(adapter, ERROR, |
|
"dev BASE0 register read failed:\t" |
|
"base0=%#04X(%d). Terminating dnld\n", |
|
base0, base0); |
|
goto done; |
|
} |
|
ret = mwifiex_read_reg(adapter, reg->base_1_reg, |
|
&base1); |
|
if (ret) { |
|
mwifiex_dbg(adapter, ERROR, |
|
"dev BASE1 register read failed:\t" |
|
"base1=%#04X(%d). Terminating dnld\n", |
|
base1, base1); |
|
goto done; |
|
} |
|
len = (u16) (((base1 & 0xff) << 8) | (base0 & 0xff)); |
|
|
|
if (len) |
|
break; |
|
|
|
usleep_range(10, 20); |
|
} |
|
|
|
if (!len) { |
|
break; |
|
} else if (len > MWIFIEX_UPLD_SIZE) { |
|
mwifiex_dbg(adapter, ERROR, |
|
"FW dnld failed @ %d, invalid length %d\n", |
|
offset, len); |
|
ret = -1; |
|
goto done; |
|
} |
|
|
|
txlen = len; |
|
|
|
if (len & BIT(0)) { |
|
i++; |
|
if (i > MAX_WRITE_IOMEM_RETRY) { |
|
mwifiex_dbg(adapter, ERROR, |
|
"FW dnld failed @ %d, over max retry\n", |
|
offset); |
|
ret = -1; |
|
goto done; |
|
} |
|
mwifiex_dbg(adapter, ERROR, |
|
"CRC indicated by the helper:\t" |
|
"len = 0x%04X, txlen = %d\n", len, txlen); |
|
len &= ~BIT(0); |
|
/* Setting this to 0 to resend from same offset */ |
|
txlen = 0; |
|
} else { |
|
i = 0; |
|
|
|
/* Set blocksize to transfer - checking for last |
|
block */ |
|
if (firmware_len - offset < txlen) |
|
txlen = firmware_len - offset; |
|
|
|
tx_blocks = (txlen + MWIFIEX_SDIO_BLOCK_SIZE - 1) |
|
/ MWIFIEX_SDIO_BLOCK_SIZE; |
|
|
|
/* Copy payload to buffer */ |
|
memmove(fwbuf, &firmware[offset], txlen); |
|
} |
|
|
|
ret = mwifiex_write_data_sync(adapter, fwbuf, tx_blocks * |
|
MWIFIEX_SDIO_BLOCK_SIZE, |
|
adapter->ioport); |
|
if (ret) { |
|
mwifiex_dbg(adapter, ERROR, |
|
"FW download, write iomem (%d) failed @ %d\n", |
|
i, offset); |
|
if (mwifiex_write_reg(adapter, CONFIGURATION_REG, 0x04)) |
|
mwifiex_dbg(adapter, ERROR, |
|
"write CFG reg failed\n"); |
|
|
|
ret = -1; |
|
goto done; |
|
} |
|
|
|
offset += txlen; |
|
} while (true); |
|
|
|
mwifiex_dbg(adapter, MSG, |
|
"info: FW download over, size %d bytes\n", offset); |
|
|
|
ret = 0; |
|
done: |
|
sdio_release_host(card->func); |
|
kfree(fwbuf); |
|
return ret; |
|
} |
|
|
|
/* |
|
* This function decode sdio aggreation pkt. |
|
* |
|
* Based on the the data block size and pkt_len, |
|
* skb data will be decoded to few packets. |
|
*/ |
|
static void mwifiex_deaggr_sdio_pkt(struct mwifiex_adapter *adapter, |
|
struct sk_buff *skb) |
|
{ |
|
u32 total_pkt_len, pkt_len; |
|
struct sk_buff *skb_deaggr; |
|
u16 blk_size; |
|
u8 blk_num; |
|
u8 *data; |
|
|
|
data = skb->data; |
|
total_pkt_len = skb->len; |
|
|
|
while (total_pkt_len >= (SDIO_HEADER_OFFSET + adapter->intf_hdr_len)) { |
|
if (total_pkt_len < adapter->sdio_rx_block_size) |
|
break; |
|
blk_num = *(data + BLOCK_NUMBER_OFFSET); |
|
blk_size = adapter->sdio_rx_block_size * blk_num; |
|
if (blk_size > total_pkt_len) { |
|
mwifiex_dbg(adapter, ERROR, |
|
"%s: error in blk_size,\t" |
|
"blk_num=%d, blk_size=%d, total_pkt_len=%d\n", |
|
__func__, blk_num, blk_size, total_pkt_len); |
|
break; |
|
} |
|
pkt_len = get_unaligned_le16((data + |
|
SDIO_HEADER_OFFSET)); |
|
if ((pkt_len + SDIO_HEADER_OFFSET) > blk_size) { |
|
mwifiex_dbg(adapter, ERROR, |
|
"%s: error in pkt_len,\t" |
|
"pkt_len=%d, blk_size=%d\n", |
|
__func__, pkt_len, blk_size); |
|
break; |
|
} |
|
|
|
skb_deaggr = mwifiex_alloc_dma_align_buf(pkt_len, GFP_KERNEL); |
|
if (!skb_deaggr) |
|
break; |
|
skb_put(skb_deaggr, pkt_len); |
|
memcpy(skb_deaggr->data, data + SDIO_HEADER_OFFSET, pkt_len); |
|
skb_pull(skb_deaggr, adapter->intf_hdr_len); |
|
|
|
mwifiex_handle_rx_packet(adapter, skb_deaggr); |
|
data += blk_size; |
|
total_pkt_len -= blk_size; |
|
} |
|
} |
|
|
|
/* |
|
* This function decodes a received packet. |
|
* |
|
* Based on the type, the packet is treated as either a data, or |
|
* a command response, or an event, and the correct handler |
|
* function is invoked. |
|
*/ |
|
static int mwifiex_decode_rx_packet(struct mwifiex_adapter *adapter, |
|
struct sk_buff *skb, u32 upld_typ) |
|
{ |
|
u8 *cmd_buf; |
|
u16 pkt_len; |
|
struct mwifiex_rxinfo *rx_info; |
|
|
|
pkt_len = get_unaligned_le16(skb->data); |
|
|
|
if (upld_typ != MWIFIEX_TYPE_AGGR_DATA) { |
|
skb_trim(skb, pkt_len); |
|
skb_pull(skb, adapter->intf_hdr_len); |
|
} |
|
|
|
switch (upld_typ) { |
|
case MWIFIEX_TYPE_AGGR_DATA: |
|
mwifiex_dbg(adapter, INFO, |
|
"info: --- Rx: Aggr Data packet ---\n"); |
|
rx_info = MWIFIEX_SKB_RXCB(skb); |
|
rx_info->buf_type = MWIFIEX_TYPE_AGGR_DATA; |
|
if (adapter->rx_work_enabled) { |
|
skb_queue_tail(&adapter->rx_data_q, skb); |
|
atomic_inc(&adapter->rx_pending); |
|
adapter->data_received = true; |
|
} else { |
|
mwifiex_deaggr_sdio_pkt(adapter, skb); |
|
dev_kfree_skb_any(skb); |
|
} |
|
break; |
|
|
|
case MWIFIEX_TYPE_DATA: |
|
mwifiex_dbg(adapter, DATA, |
|
"info: --- Rx: Data packet ---\n"); |
|
if (adapter->rx_work_enabled) { |
|
skb_queue_tail(&adapter->rx_data_q, skb); |
|
adapter->data_received = true; |
|
atomic_inc(&adapter->rx_pending); |
|
} else { |
|
mwifiex_handle_rx_packet(adapter, skb); |
|
} |
|
break; |
|
|
|
case MWIFIEX_TYPE_CMD: |
|
mwifiex_dbg(adapter, CMD, |
|
"info: --- Rx: Cmd Response ---\n"); |
|
/* take care of curr_cmd = NULL case */ |
|
if (!adapter->curr_cmd) { |
|
cmd_buf = adapter->upld_buf; |
|
|
|
if (adapter->ps_state == PS_STATE_SLEEP_CFM) |
|
mwifiex_process_sleep_confirm_resp(adapter, |
|
skb->data, |
|
skb->len); |
|
|
|
memcpy(cmd_buf, skb->data, |
|
min_t(u32, MWIFIEX_SIZE_OF_CMD_BUFFER, |
|
skb->len)); |
|
|
|
dev_kfree_skb_any(skb); |
|
} else { |
|
adapter->cmd_resp_received = true; |
|
adapter->curr_cmd->resp_skb = skb; |
|
} |
|
break; |
|
|
|
case MWIFIEX_TYPE_EVENT: |
|
mwifiex_dbg(adapter, EVENT, |
|
"info: --- Rx: Event ---\n"); |
|
adapter->event_cause = get_unaligned_le32(skb->data); |
|
|
|
if ((skb->len > 0) && (skb->len < MAX_EVENT_SIZE)) |
|
memcpy(adapter->event_body, |
|
skb->data + MWIFIEX_EVENT_HEADER_LEN, |
|
skb->len); |
|
|
|
/* event cause has been saved to adapter->event_cause */ |
|
adapter->event_received = true; |
|
adapter->event_skb = skb; |
|
|
|
break; |
|
|
|
default: |
|
mwifiex_dbg(adapter, ERROR, |
|
"unknown upload type %#x\n", upld_typ); |
|
dev_kfree_skb_any(skb); |
|
break; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
/* |
|
* This function transfers received packets from card to driver, performing |
|
* aggregation if required. |
|
* |
|
* For data received on control port, or if aggregation is disabled, the |
|
* received buffers are uploaded as separate packets. However, if aggregation |
|
* is enabled and required, the buffers are copied onto an aggregation buffer, |
|
* provided there is space left, processed and finally uploaded. |
|
*/ |
|
static int mwifiex_sdio_card_to_host_mp_aggr(struct mwifiex_adapter *adapter, |
|
u16 rx_len, u8 port) |
|
{ |
|
struct sdio_mmc_card *card = adapter->card; |
|
s32 f_do_rx_aggr = 0; |
|
s32 f_do_rx_cur = 0; |
|
s32 f_aggr_cur = 0; |
|
s32 f_post_aggr_cur = 0; |
|
struct sk_buff *skb_deaggr; |
|
struct sk_buff *skb = NULL; |
|
u32 pkt_len, pkt_type, mport, pind; |
|
u8 *curr_ptr; |
|
|
|
if ((card->has_control_mask) && (port == CTRL_PORT)) { |
|
/* Read the command Resp without aggr */ |
|
mwifiex_dbg(adapter, CMD, |
|
"info: %s: no aggregation for cmd\t" |
|
"response\n", __func__); |
|
|
|
f_do_rx_cur = 1; |
|
goto rx_curr_single; |
|
} |
|
|
|
if (!card->mpa_rx.enabled) { |
|
mwifiex_dbg(adapter, WARN, |
|
"info: %s: rx aggregation disabled\n", |
|
__func__); |
|
|
|
f_do_rx_cur = 1; |
|
goto rx_curr_single; |
|
} |
|
|
|
if ((!card->has_control_mask && (card->mp_rd_bitmap & |
|
card->reg->data_port_mask)) || |
|
(card->has_control_mask && (card->mp_rd_bitmap & |
|
(~((u32) CTRL_PORT_MASK))))) { |
|
/* Some more data RX pending */ |
|
mwifiex_dbg(adapter, INFO, |
|
"info: %s: not last packet\n", __func__); |
|
|
|
if (MP_RX_AGGR_IN_PROGRESS(card)) { |
|
if (MP_RX_AGGR_BUF_HAS_ROOM(card, rx_len)) { |
|
f_aggr_cur = 1; |
|
} else { |
|
/* No room in Aggr buf, do rx aggr now */ |
|
f_do_rx_aggr = 1; |
|
f_post_aggr_cur = 1; |
|
} |
|
} else { |
|
/* Rx aggr not in progress */ |
|
f_aggr_cur = 1; |
|
} |
|
|
|
} else { |
|
/* No more data RX pending */ |
|
mwifiex_dbg(adapter, INFO, |
|
"info: %s: last packet\n", __func__); |
|
|
|
if (MP_RX_AGGR_IN_PROGRESS(card)) { |
|
f_do_rx_aggr = 1; |
|
if (MP_RX_AGGR_BUF_HAS_ROOM(card, rx_len)) |
|
f_aggr_cur = 1; |
|
else |
|
/* No room in Aggr buf, do rx aggr now */ |
|
f_do_rx_cur = 1; |
|
} else { |
|
f_do_rx_cur = 1; |
|
} |
|
} |
|
|
|
if (f_aggr_cur) { |
|
mwifiex_dbg(adapter, INFO, |
|
"info: current packet aggregation\n"); |
|
/* Curr pkt can be aggregated */ |
|
mp_rx_aggr_setup(card, rx_len, port); |
|
|
|
if (MP_RX_AGGR_PKT_LIMIT_REACHED(card) || |
|
mp_rx_aggr_port_limit_reached(card)) { |
|
mwifiex_dbg(adapter, INFO, |
|
"info: %s: aggregated packet\t" |
|
"limit reached\n", __func__); |
|
/* No more pkts allowed in Aggr buf, rx it */ |
|
f_do_rx_aggr = 1; |
|
} |
|
} |
|
|
|
if (f_do_rx_aggr) { |
|
/* do aggr RX now */ |
|
mwifiex_dbg(adapter, DATA, |
|
"info: do_rx_aggr: num of packets: %d\n", |
|
card->mpa_rx.pkt_cnt); |
|
|
|
if (card->supports_sdio_new_mode) { |
|
int i; |
|
u32 port_count; |
|
|
|
for (i = 0, port_count = 0; i < card->max_ports; i++) |
|
if (card->mpa_rx.ports & BIT(i)) |
|
port_count++; |
|
|
|
/* Reading data from "start_port + 0" to "start_port + |
|
* port_count -1", so decrease the count by 1 |
|
*/ |
|
port_count--; |
|
mport = (adapter->ioport | SDIO_MPA_ADDR_BASE | |
|
(port_count << 8)) + card->mpa_rx.start_port; |
|
} else { |
|
mport = (adapter->ioport | SDIO_MPA_ADDR_BASE | |
|
(card->mpa_rx.ports << 4)) + |
|
card->mpa_rx.start_port; |
|
} |
|
|
|
if (card->mpa_rx.pkt_cnt == 1) |
|
mport = adapter->ioport + card->mpa_rx.start_port; |
|
|
|
if (mwifiex_read_data_sync(adapter, card->mpa_rx.buf, |
|
card->mpa_rx.buf_len, mport, 1)) |
|
goto error; |
|
|
|
curr_ptr = card->mpa_rx.buf; |
|
|
|
for (pind = 0; pind < card->mpa_rx.pkt_cnt; pind++) { |
|
u32 *len_arr = card->mpa_rx.len_arr; |
|
|
|
/* get curr PKT len & type */ |
|
pkt_len = get_unaligned_le16(&curr_ptr[0]); |
|
pkt_type = get_unaligned_le16(&curr_ptr[2]); |
|
|
|
/* copy pkt to deaggr buf */ |
|
skb_deaggr = mwifiex_alloc_dma_align_buf(len_arr[pind], |
|
GFP_KERNEL); |
|
if (!skb_deaggr) { |
|
mwifiex_dbg(adapter, ERROR, "skb allocation failure\t" |
|
"drop pkt len=%d type=%d\n", |
|
pkt_len, pkt_type); |
|
curr_ptr += len_arr[pind]; |
|
continue; |
|
} |
|
|
|
skb_put(skb_deaggr, len_arr[pind]); |
|
|
|
if ((pkt_type == MWIFIEX_TYPE_DATA || |
|
(pkt_type == MWIFIEX_TYPE_AGGR_DATA && |
|
adapter->sdio_rx_aggr_enable)) && |
|
(pkt_len <= len_arr[pind])) { |
|
|
|
memcpy(skb_deaggr->data, curr_ptr, pkt_len); |
|
|
|
skb_trim(skb_deaggr, pkt_len); |
|
|
|
/* Process de-aggr packet */ |
|
mwifiex_decode_rx_packet(adapter, skb_deaggr, |
|
pkt_type); |
|
} else { |
|
mwifiex_dbg(adapter, ERROR, |
|
"drop wrong aggr pkt:\t" |
|
"sdio_single_port_rx_aggr=%d\t" |
|
"type=%d len=%d max_len=%d\n", |
|
adapter->sdio_rx_aggr_enable, |
|
pkt_type, pkt_len, len_arr[pind]); |
|
dev_kfree_skb_any(skb_deaggr); |
|
} |
|
curr_ptr += len_arr[pind]; |
|
} |
|
MP_RX_AGGR_BUF_RESET(card); |
|
} |
|
|
|
rx_curr_single: |
|
if (f_do_rx_cur) { |
|
mwifiex_dbg(adapter, INFO, "info: RX: port: %d, rx_len: %d\n", |
|
port, rx_len); |
|
|
|
skb = mwifiex_alloc_dma_align_buf(rx_len, GFP_KERNEL); |
|
if (!skb) { |
|
mwifiex_dbg(adapter, ERROR, |
|
"single skb allocated fail,\t" |
|
"drop pkt port=%d len=%d\n", port, rx_len); |
|
if (mwifiex_sdio_card_to_host(adapter, &pkt_type, |
|
card->mpa_rx.buf, rx_len, |
|
adapter->ioport + port)) |
|
goto error; |
|
return 0; |
|
} |
|
|
|
skb_put(skb, rx_len); |
|
|
|
if (mwifiex_sdio_card_to_host(adapter, &pkt_type, |
|
skb->data, skb->len, |
|
adapter->ioport + port)) |
|
goto error; |
|
if (!adapter->sdio_rx_aggr_enable && |
|
pkt_type == MWIFIEX_TYPE_AGGR_DATA) { |
|
mwifiex_dbg(adapter, ERROR, "drop wrong pkt type %d\t" |
|
"current SDIO RX Aggr not enabled\n", |
|
pkt_type); |
|
dev_kfree_skb_any(skb); |
|
return 0; |
|
} |
|
|
|
mwifiex_decode_rx_packet(adapter, skb, pkt_type); |
|
} |
|
if (f_post_aggr_cur) { |
|
mwifiex_dbg(adapter, INFO, |
|
"info: current packet aggregation\n"); |
|
/* Curr pkt can be aggregated */ |
|
mp_rx_aggr_setup(card, rx_len, port); |
|
} |
|
|
|
return 0; |
|
error: |
|
if (MP_RX_AGGR_IN_PROGRESS(card)) |
|
MP_RX_AGGR_BUF_RESET(card); |
|
|
|
if (f_do_rx_cur && skb) |
|
/* Single transfer pending. Free curr buff also */ |
|
dev_kfree_skb_any(skb); |
|
|
|
return -1; |
|
} |
|
|
|
/* |
|
* This function checks the current interrupt status. |
|
* |
|
* The following interrupts are checked and handled by this function - |
|
* - Data sent |
|
* - Command sent |
|
* - Packets received |
|
* |
|
* Since the firmware does not generate download ready interrupt if the |
|
* port updated is command port only, command sent interrupt checking |
|
* should be done manually, and for every SDIO interrupt. |
|
* |
|
* In case of Rx packets received, the packets are uploaded from card to |
|
* host and processed accordingly. |
|
*/ |
|
static int mwifiex_process_int_status(struct mwifiex_adapter *adapter) |
|
{ |
|
struct sdio_mmc_card *card = adapter->card; |
|
const struct mwifiex_sdio_card_reg *reg = card->reg; |
|
int ret = 0; |
|
u8 sdio_ireg; |
|
struct sk_buff *skb; |
|
u8 port = CTRL_PORT; |
|
u32 len_reg_l, len_reg_u; |
|
u32 rx_blocks; |
|
u16 rx_len; |
|
unsigned long flags; |
|
u32 bitmap; |
|
u8 cr; |
|
|
|
spin_lock_irqsave(&adapter->int_lock, flags); |
|
sdio_ireg = adapter->int_status; |
|
adapter->int_status = 0; |
|
spin_unlock_irqrestore(&adapter->int_lock, flags); |
|
|
|
if (!sdio_ireg) |
|
return ret; |
|
|
|
/* Following interrupt is only for SDIO new mode */ |
|
if (sdio_ireg & DN_LD_CMD_PORT_HOST_INT_STATUS && adapter->cmd_sent) |
|
adapter->cmd_sent = false; |
|
|
|
/* Following interrupt is only for SDIO new mode */ |
|
if (sdio_ireg & UP_LD_CMD_PORT_HOST_INT_STATUS) { |
|
u32 pkt_type; |
|
|
|
/* read the len of control packet */ |
|
rx_len = card->mp_regs[reg->cmd_rd_len_1] << 8; |
|
rx_len |= (u16)card->mp_regs[reg->cmd_rd_len_0]; |
|
rx_blocks = DIV_ROUND_UP(rx_len, MWIFIEX_SDIO_BLOCK_SIZE); |
|
if (rx_len <= adapter->intf_hdr_len || |
|
(rx_blocks * MWIFIEX_SDIO_BLOCK_SIZE) > |
|
MWIFIEX_RX_DATA_BUF_SIZE) |
|
return -1; |
|
rx_len = (u16) (rx_blocks * MWIFIEX_SDIO_BLOCK_SIZE); |
|
mwifiex_dbg(adapter, INFO, "info: rx_len = %d\n", rx_len); |
|
|
|
skb = mwifiex_alloc_dma_align_buf(rx_len, GFP_KERNEL); |
|
if (!skb) |
|
return -1; |
|
|
|
skb_put(skb, rx_len); |
|
|
|
if (mwifiex_sdio_card_to_host(adapter, &pkt_type, skb->data, |
|
skb->len, adapter->ioport | |
|
CMD_PORT_SLCT)) { |
|
mwifiex_dbg(adapter, ERROR, |
|
"%s: failed to card_to_host", __func__); |
|
dev_kfree_skb_any(skb); |
|
goto term_cmd; |
|
} |
|
|
|
if ((pkt_type != MWIFIEX_TYPE_CMD) && |
|
(pkt_type != MWIFIEX_TYPE_EVENT)) |
|
mwifiex_dbg(adapter, ERROR, |
|
"%s:Received wrong packet on cmd port", |
|
__func__); |
|
|
|
mwifiex_decode_rx_packet(adapter, skb, pkt_type); |
|
} |
|
|
|
if (sdio_ireg & DN_LD_HOST_INT_STATUS) { |
|
bitmap = (u32) card->mp_regs[reg->wr_bitmap_l]; |
|
bitmap |= ((u32) card->mp_regs[reg->wr_bitmap_u]) << 8; |
|
if (card->supports_sdio_new_mode) { |
|
bitmap |= |
|
((u32) card->mp_regs[reg->wr_bitmap_1l]) << 16; |
|
bitmap |= |
|
((u32) card->mp_regs[reg->wr_bitmap_1u]) << 24; |
|
} |
|
card->mp_wr_bitmap = bitmap; |
|
|
|
mwifiex_dbg(adapter, INTR, |
|
"int: DNLD: wr_bitmap=0x%x\n", |
|
card->mp_wr_bitmap); |
|
if (adapter->data_sent && |
|
(card->mp_wr_bitmap & card->mp_data_port_mask)) { |
|
mwifiex_dbg(adapter, INTR, |
|
"info: <--- Tx DONE Interrupt --->\n"); |
|
adapter->data_sent = false; |
|
} |
|
} |
|
|
|
/* As firmware will not generate download ready interrupt if the port |
|
updated is command port only, cmd_sent should be done for any SDIO |
|
interrupt. */ |
|
if (card->has_control_mask && adapter->cmd_sent) { |
|
/* Check if firmware has attach buffer at command port and |
|
update just that in wr_bit_map. */ |
|
card->mp_wr_bitmap |= |
|
(u32) card->mp_regs[reg->wr_bitmap_l] & CTRL_PORT_MASK; |
|
if (card->mp_wr_bitmap & CTRL_PORT_MASK) |
|
adapter->cmd_sent = false; |
|
} |
|
|
|
mwifiex_dbg(adapter, INTR, "info: cmd_sent=%d data_sent=%d\n", |
|
adapter->cmd_sent, adapter->data_sent); |
|
if (sdio_ireg & UP_LD_HOST_INT_STATUS) { |
|
bitmap = (u32) card->mp_regs[reg->rd_bitmap_l]; |
|
bitmap |= ((u32) card->mp_regs[reg->rd_bitmap_u]) << 8; |
|
if (card->supports_sdio_new_mode) { |
|
bitmap |= |
|
((u32) card->mp_regs[reg->rd_bitmap_1l]) << 16; |
|
bitmap |= |
|
((u32) card->mp_regs[reg->rd_bitmap_1u]) << 24; |
|
} |
|
card->mp_rd_bitmap = bitmap; |
|
mwifiex_dbg(adapter, INTR, |
|
"int: UPLD: rd_bitmap=0x%x\n", |
|
card->mp_rd_bitmap); |
|
|
|
while (true) { |
|
ret = mwifiex_get_rd_port(adapter, &port); |
|
if (ret) { |
|
mwifiex_dbg(adapter, INFO, |
|
"info: no more rd_port available\n"); |
|
break; |
|
} |
|
len_reg_l = reg->rd_len_p0_l + (port << 1); |
|
len_reg_u = reg->rd_len_p0_u + (port << 1); |
|
rx_len = ((u16) card->mp_regs[len_reg_u]) << 8; |
|
rx_len |= (u16) card->mp_regs[len_reg_l]; |
|
mwifiex_dbg(adapter, INFO, |
|
"info: RX: port=%d rx_len=%u\n", |
|
port, rx_len); |
|
rx_blocks = |
|
(rx_len + MWIFIEX_SDIO_BLOCK_SIZE - |
|
1) / MWIFIEX_SDIO_BLOCK_SIZE; |
|
if (rx_len <= adapter->intf_hdr_len || |
|
(card->mpa_rx.enabled && |
|
((rx_blocks * MWIFIEX_SDIO_BLOCK_SIZE) > |
|
card->mpa_rx.buf_size))) { |
|
mwifiex_dbg(adapter, ERROR, |
|
"invalid rx_len=%d\n", |
|
rx_len); |
|
return -1; |
|
} |
|
|
|
rx_len = (u16) (rx_blocks * MWIFIEX_SDIO_BLOCK_SIZE); |
|
mwifiex_dbg(adapter, INFO, "info: rx_len = %d\n", |
|
rx_len); |
|
|
|
if (mwifiex_sdio_card_to_host_mp_aggr(adapter, rx_len, |
|
port)) { |
|
mwifiex_dbg(adapter, ERROR, |
|
"card_to_host_mpa failed: int status=%#x\n", |
|
sdio_ireg); |
|
goto term_cmd; |
|
} |
|
} |
|
} |
|
|
|
return 0; |
|
|
|
term_cmd: |
|
/* terminate cmd */ |
|
if (mwifiex_read_reg(adapter, CONFIGURATION_REG, &cr)) |
|
mwifiex_dbg(adapter, ERROR, "read CFG reg failed\n"); |
|
else |
|
mwifiex_dbg(adapter, INFO, |
|
"info: CFG reg val = %d\n", cr); |
|
|
|
if (mwifiex_write_reg(adapter, CONFIGURATION_REG, (cr | 0x04))) |
|
mwifiex_dbg(adapter, ERROR, |
|
"write CFG reg failed\n"); |
|
else |
|
mwifiex_dbg(adapter, INFO, "info: write success\n"); |
|
|
|
if (mwifiex_read_reg(adapter, CONFIGURATION_REG, &cr)) |
|
mwifiex_dbg(adapter, ERROR, |
|
"read CFG reg failed\n"); |
|
else |
|
mwifiex_dbg(adapter, INFO, |
|
"info: CFG reg val =%x\n", cr); |
|
|
|
return -1; |
|
} |
|
|
|
/* |
|
* This function aggregates transmission buffers in driver and downloads |
|
* the aggregated packet to card. |
|
* |
|
* The individual packets are aggregated by copying into an aggregation |
|
* buffer and then downloaded to the card. Previous unsent packets in the |
|
* aggregation buffer are pre-copied first before new packets are added. |
|
* Aggregation is done till there is space left in the aggregation buffer, |
|
* or till new packets are available. |
|
* |
|
* The function will only download the packet to the card when aggregation |
|
* stops, otherwise it will just aggregate the packet in aggregation buffer |
|
* and return. |
|
*/ |
|
static int mwifiex_host_to_card_mp_aggr(struct mwifiex_adapter *adapter, |
|
u8 *payload, u32 pkt_len, u32 port, |
|
u32 next_pkt_len) |
|
{ |
|
struct sdio_mmc_card *card = adapter->card; |
|
int ret = 0; |
|
s32 f_send_aggr_buf = 0; |
|
s32 f_send_cur_buf = 0; |
|
s32 f_precopy_cur_buf = 0; |
|
s32 f_postcopy_cur_buf = 0; |
|
u32 mport; |
|
int index; |
|
|
|
if (!card->mpa_tx.enabled || |
|
(card->has_control_mask && (port == CTRL_PORT)) || |
|
(card->supports_sdio_new_mode && (port == CMD_PORT_SLCT))) { |
|
mwifiex_dbg(adapter, WARN, |
|
"info: %s: tx aggregation disabled\n", |
|
__func__); |
|
|
|
f_send_cur_buf = 1; |
|
goto tx_curr_single; |
|
} |
|
|
|
if (next_pkt_len) { |
|
/* More pkt in TX queue */ |
|
mwifiex_dbg(adapter, INFO, |
|
"info: %s: more packets in queue.\n", |
|
__func__); |
|
|
|
if (MP_TX_AGGR_IN_PROGRESS(card)) { |
|
if (MP_TX_AGGR_BUF_HAS_ROOM(card, pkt_len)) { |
|
f_precopy_cur_buf = 1; |
|
|
|
if (!(card->mp_wr_bitmap & |
|
(1 << card->curr_wr_port)) || |
|
!MP_TX_AGGR_BUF_HAS_ROOM( |
|
card, pkt_len + next_pkt_len)) |
|
f_send_aggr_buf = 1; |
|
} else { |
|
/* No room in Aggr buf, send it */ |
|
f_send_aggr_buf = 1; |
|
|
|
if (!(card->mp_wr_bitmap & |
|
(1 << card->curr_wr_port))) |
|
f_send_cur_buf = 1; |
|
else |
|
f_postcopy_cur_buf = 1; |
|
} |
|
} else { |
|
if (MP_TX_AGGR_BUF_HAS_ROOM(card, pkt_len) && |
|
(card->mp_wr_bitmap & (1 << card->curr_wr_port))) |
|
f_precopy_cur_buf = 1; |
|
else |
|
f_send_cur_buf = 1; |
|
} |
|
} else { |
|
/* Last pkt in TX queue */ |
|
mwifiex_dbg(adapter, INFO, |
|
"info: %s: Last packet in Tx Queue.\n", |
|
__func__); |
|
|
|
if (MP_TX_AGGR_IN_PROGRESS(card)) { |
|
/* some packs in Aggr buf already */ |
|
f_send_aggr_buf = 1; |
|
|
|
if (MP_TX_AGGR_BUF_HAS_ROOM(card, pkt_len)) |
|
f_precopy_cur_buf = 1; |
|
else |
|
/* No room in Aggr buf, send it */ |
|
f_send_cur_buf = 1; |
|
} else { |
|
f_send_cur_buf = 1; |
|
} |
|
} |
|
|
|
if (f_precopy_cur_buf) { |
|
mwifiex_dbg(adapter, DATA, |
|
"data: %s: precopy current buffer\n", |
|
__func__); |
|
MP_TX_AGGR_BUF_PUT(card, payload, pkt_len, port); |
|
|
|
if (MP_TX_AGGR_PKT_LIMIT_REACHED(card) || |
|
mp_tx_aggr_port_limit_reached(card)) |
|
/* No more pkts allowed in Aggr buf, send it */ |
|
f_send_aggr_buf = 1; |
|
} |
|
|
|
if (f_send_aggr_buf) { |
|
mwifiex_dbg(adapter, DATA, |
|
"data: %s: send aggr buffer: %d %d\n", |
|
__func__, card->mpa_tx.start_port, |
|
card->mpa_tx.ports); |
|
if (card->supports_sdio_new_mode) { |
|
u32 port_count; |
|
int i; |
|
|
|
for (i = 0, port_count = 0; i < card->max_ports; i++) |
|
if (card->mpa_tx.ports & BIT(i)) |
|
port_count++; |
|
|
|
/* Writing data from "start_port + 0" to "start_port + |
|
* port_count -1", so decrease the count by 1 |
|
*/ |
|
port_count--; |
|
mport = (adapter->ioport | SDIO_MPA_ADDR_BASE | |
|
(port_count << 8)) + card->mpa_tx.start_port; |
|
} else { |
|
mport = (adapter->ioport | SDIO_MPA_ADDR_BASE | |
|
(card->mpa_tx.ports << 4)) + |
|
card->mpa_tx.start_port; |
|
} |
|
|
|
if (card->mpa_tx.pkt_cnt == 1) |
|
mport = adapter->ioport + card->mpa_tx.start_port; |
|
|
|
ret = mwifiex_write_data_to_card(adapter, card->mpa_tx.buf, |
|
card->mpa_tx.buf_len, mport); |
|
|
|
/* Save the last multi port tx aggreagation info to debug log */ |
|
index = adapter->dbg.last_sdio_mp_index; |
|
index = (index + 1) % MWIFIEX_DBG_SDIO_MP_NUM; |
|
adapter->dbg.last_sdio_mp_index = index; |
|
adapter->dbg.last_mp_wr_ports[index] = mport; |
|
adapter->dbg.last_mp_wr_bitmap[index] = card->mp_wr_bitmap; |
|
adapter->dbg.last_mp_wr_len[index] = card->mpa_tx.buf_len; |
|
adapter->dbg.last_mp_curr_wr_port[index] = card->curr_wr_port; |
|
|
|
MP_TX_AGGR_BUF_RESET(card); |
|
} |
|
|
|
tx_curr_single: |
|
if (f_send_cur_buf) { |
|
mwifiex_dbg(adapter, DATA, |
|
"data: %s: send current buffer %d\n", |
|
__func__, port); |
|
ret = mwifiex_write_data_to_card(adapter, payload, pkt_len, |
|
adapter->ioport + port); |
|
} |
|
|
|
if (f_postcopy_cur_buf) { |
|
mwifiex_dbg(adapter, DATA, |
|
"data: %s: postcopy current buffer\n", |
|
__func__); |
|
MP_TX_AGGR_BUF_PUT(card, payload, pkt_len, port); |
|
} |
|
|
|
return ret; |
|
} |
|
|
|
/* |
|
* This function downloads data from driver to card. |
|
* |
|
* Both commands and data packets are transferred to the card by this |
|
* function. |
|
* |
|
* This function adds the SDIO specific header to the front of the buffer |
|
* before transferring. The header contains the length of the packet and |
|
* the type. The firmware handles the packets based upon this set type. |
|
*/ |
|
static int mwifiex_sdio_host_to_card(struct mwifiex_adapter *adapter, |
|
u8 type, struct sk_buff *skb, |
|
struct mwifiex_tx_param *tx_param) |
|
{ |
|
struct sdio_mmc_card *card = adapter->card; |
|
int ret; |
|
u32 buf_block_len; |
|
u32 blk_size; |
|
u32 port = CTRL_PORT; |
|
u8 *payload = (u8 *)skb->data; |
|
u32 pkt_len = skb->len; |
|
|
|
/* Allocate buffer and copy payload */ |
|
blk_size = MWIFIEX_SDIO_BLOCK_SIZE; |
|
buf_block_len = (pkt_len + blk_size - 1) / blk_size; |
|
put_unaligned_le16((u16)pkt_len, payload + 0); |
|
put_unaligned_le16((u32)type, payload + 2); |
|
|
|
|
|
/* |
|
* This is SDIO specific header |
|
* u16 length, |
|
* u16 type (MWIFIEX_TYPE_DATA = 0, MWIFIEX_TYPE_CMD = 1, |
|
* MWIFIEX_TYPE_EVENT = 3) |
|
*/ |
|
if (type == MWIFIEX_TYPE_DATA) { |
|
ret = mwifiex_get_wr_port_data(adapter, &port); |
|
if (ret) { |
|
mwifiex_dbg(adapter, ERROR, |
|
"%s: no wr_port available\n", |
|
__func__); |
|
return ret; |
|
} |
|
} else { |
|
adapter->cmd_sent = true; |
|
/* Type must be MWIFIEX_TYPE_CMD */ |
|
|
|
if (pkt_len <= adapter->intf_hdr_len || |
|
pkt_len > MWIFIEX_UPLD_SIZE) |
|
mwifiex_dbg(adapter, ERROR, |
|
"%s: payload=%p, nb=%d\n", |
|
__func__, payload, pkt_len); |
|
|
|
if (card->supports_sdio_new_mode) |
|
port = CMD_PORT_SLCT; |
|
} |
|
|
|
/* Transfer data to card */ |
|
pkt_len = buf_block_len * blk_size; |
|
|
|
if (tx_param) |
|
ret = mwifiex_host_to_card_mp_aggr(adapter, payload, pkt_len, |
|
port, tx_param->next_pkt_len |
|
); |
|
else |
|
ret = mwifiex_host_to_card_mp_aggr(adapter, payload, pkt_len, |
|
port, 0); |
|
|
|
if (ret) { |
|
if (type == MWIFIEX_TYPE_CMD) |
|
adapter->cmd_sent = false; |
|
if (type == MWIFIEX_TYPE_DATA) { |
|
adapter->data_sent = false; |
|
/* restore curr_wr_port in error cases */ |
|
card->curr_wr_port = port; |
|
card->mp_wr_bitmap |= (u32)(1 << card->curr_wr_port); |
|
} |
|
} else { |
|
if (type == MWIFIEX_TYPE_DATA) { |
|
if (!(card->mp_wr_bitmap & (1 << card->curr_wr_port))) |
|
adapter->data_sent = true; |
|
else |
|
adapter->data_sent = false; |
|
} |
|
} |
|
|
|
return ret; |
|
} |
|
|
|
/* |
|
* This function allocates the MPA Tx and Rx buffers. |
|
*/ |
|
static int mwifiex_alloc_sdio_mpa_buffers(struct mwifiex_adapter *adapter, |
|
u32 mpa_tx_buf_size, u32 mpa_rx_buf_size) |
|
{ |
|
struct sdio_mmc_card *card = adapter->card; |
|
u32 rx_buf_size; |
|
int ret = 0; |
|
|
|
card->mpa_tx.buf = kzalloc(mpa_tx_buf_size, GFP_KERNEL); |
|
if (!card->mpa_tx.buf) { |
|
ret = -1; |
|
goto error; |
|
} |
|
|
|
card->mpa_tx.buf_size = mpa_tx_buf_size; |
|
|
|
rx_buf_size = max_t(u32, mpa_rx_buf_size, |
|
(u32)SDIO_MAX_AGGR_BUF_SIZE); |
|
card->mpa_rx.buf = kzalloc(rx_buf_size, GFP_KERNEL); |
|
if (!card->mpa_rx.buf) { |
|
ret = -1; |
|
goto error; |
|
} |
|
|
|
card->mpa_rx.buf_size = rx_buf_size; |
|
|
|
error: |
|
if (ret) { |
|
kfree(card->mpa_tx.buf); |
|
kfree(card->mpa_rx.buf); |
|
card->mpa_tx.buf_size = 0; |
|
card->mpa_rx.buf_size = 0; |
|
card->mpa_tx.buf = NULL; |
|
card->mpa_rx.buf = NULL; |
|
} |
|
|
|
return ret; |
|
} |
|
|
|
/* |
|
* This function unregisters the SDIO device. |
|
* |
|
* The SDIO IRQ is released, the function is disabled and driver |
|
* data is set to null. |
|
*/ |
|
static void |
|
mwifiex_unregister_dev(struct mwifiex_adapter *adapter) |
|
{ |
|
struct sdio_mmc_card *card = adapter->card; |
|
|
|
if (adapter->card) { |
|
card->adapter = NULL; |
|
sdio_claim_host(card->func); |
|
sdio_disable_func(card->func); |
|
sdio_release_host(card->func); |
|
} |
|
} |
|
|
|
/* |
|
* This function registers the SDIO device. |
|
* |
|
* SDIO IRQ is claimed, block size is set and driver data is initialized. |
|
*/ |
|
static int mwifiex_register_dev(struct mwifiex_adapter *adapter) |
|
{ |
|
int ret; |
|
struct sdio_mmc_card *card = adapter->card; |
|
struct sdio_func *func = card->func; |
|
|
|
/* save adapter pointer in card */ |
|
card->adapter = adapter; |
|
adapter->tx_buf_size = card->tx_buf_size; |
|
|
|
sdio_claim_host(func); |
|
|
|
/* Set block size */ |
|
ret = sdio_set_block_size(card->func, MWIFIEX_SDIO_BLOCK_SIZE); |
|
sdio_release_host(func); |
|
if (ret) { |
|
mwifiex_dbg(adapter, ERROR, |
|
"cannot set SDIO block size\n"); |
|
return ret; |
|
} |
|
|
|
strcpy(adapter->fw_name, card->firmware); |
|
if (card->fw_dump_enh) { |
|
adapter->mem_type_mapping_tbl = generic_mem_type_map; |
|
adapter->num_mem_types = 1; |
|
} else { |
|
adapter->mem_type_mapping_tbl = mem_type_mapping_tbl; |
|
adapter->num_mem_types = ARRAY_SIZE(mem_type_mapping_tbl); |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
/* |
|
* This function initializes the SDIO driver. |
|
* |
|
* The following initializations steps are followed - |
|
* - Read the Host interrupt status register to acknowledge |
|
* the first interrupt got from bootloader |
|
* - Disable host interrupt mask register |
|
* - Get SDIO port |
|
* - Initialize SDIO variables in card |
|
* - Allocate MP registers |
|
* - Allocate MPA Tx and Rx buffers |
|
*/ |
|
static int mwifiex_init_sdio(struct mwifiex_adapter *adapter) |
|
{ |
|
struct sdio_mmc_card *card = adapter->card; |
|
const struct mwifiex_sdio_card_reg *reg = card->reg; |
|
int ret; |
|
u8 sdio_ireg; |
|
|
|
sdio_set_drvdata(card->func, card); |
|
|
|
/* |
|
* Read the host_int_status_reg for ACK the first interrupt got |
|
* from the bootloader. If we don't do this we get a interrupt |
|
* as soon as we register the irq. |
|
*/ |
|
mwifiex_read_reg(adapter, card->reg->host_int_status_reg, &sdio_ireg); |
|
|
|
/* Get SDIO ioport */ |
|
mwifiex_init_sdio_ioport(adapter); |
|
|
|
/* Initialize SDIO variables in card */ |
|
card->mp_rd_bitmap = 0; |
|
card->mp_wr_bitmap = 0; |
|
card->curr_rd_port = reg->start_rd_port; |
|
card->curr_wr_port = reg->start_wr_port; |
|
|
|
card->mp_data_port_mask = reg->data_port_mask; |
|
|
|
card->mpa_tx.buf_len = 0; |
|
card->mpa_tx.pkt_cnt = 0; |
|
card->mpa_tx.start_port = 0; |
|
|
|
card->mpa_tx.enabled = 1; |
|
card->mpa_tx.pkt_aggr_limit = card->mp_agg_pkt_limit; |
|
|
|
card->mpa_rx.buf_len = 0; |
|
card->mpa_rx.pkt_cnt = 0; |
|
card->mpa_rx.start_port = 0; |
|
|
|
card->mpa_rx.enabled = 1; |
|
card->mpa_rx.pkt_aggr_limit = card->mp_agg_pkt_limit; |
|
|
|
/* Allocate buffers for SDIO MP-A */ |
|
card->mp_regs = kzalloc(reg->max_mp_regs, GFP_KERNEL); |
|
if (!card->mp_regs) |
|
return -ENOMEM; |
|
|
|
/* Allocate skb pointer buffers */ |
|
card->mpa_rx.skb_arr = kcalloc(card->mp_agg_pkt_limit, sizeof(void *), |
|
GFP_KERNEL); |
|
if (!card->mpa_rx.skb_arr) { |
|
kfree(card->mp_regs); |
|
return -ENOMEM; |
|
} |
|
|
|
card->mpa_rx.len_arr = kcalloc(card->mp_agg_pkt_limit, |
|
sizeof(*card->mpa_rx.len_arr), |
|
GFP_KERNEL); |
|
if (!card->mpa_rx.len_arr) { |
|
kfree(card->mp_regs); |
|
kfree(card->mpa_rx.skb_arr); |
|
return -ENOMEM; |
|
} |
|
|
|
ret = mwifiex_alloc_sdio_mpa_buffers(adapter, |
|
card->mp_tx_agg_buf_size, |
|
card->mp_rx_agg_buf_size); |
|
|
|
/* Allocate 32k MPA Tx/Rx buffers if 64k memory allocation fails */ |
|
if (ret && (card->mp_tx_agg_buf_size == MWIFIEX_MP_AGGR_BUF_SIZE_MAX || |
|
card->mp_rx_agg_buf_size == MWIFIEX_MP_AGGR_BUF_SIZE_MAX)) { |
|
/* Disable rx single port aggregation */ |
|
adapter->host_disable_sdio_rx_aggr = true; |
|
|
|
ret = mwifiex_alloc_sdio_mpa_buffers |
|
(adapter, MWIFIEX_MP_AGGR_BUF_SIZE_32K, |
|
MWIFIEX_MP_AGGR_BUF_SIZE_32K); |
|
if (ret) { |
|
/* Disable multi port aggregation */ |
|
card->mpa_tx.enabled = 0; |
|
card->mpa_rx.enabled = 0; |
|
} |
|
} |
|
|
|
adapter->auto_tdls = card->can_auto_tdls; |
|
adapter->ext_scan = card->can_ext_scan; |
|
return 0; |
|
} |
|
|
|
/* |
|
* This function resets the MPA Tx and Rx buffers. |
|
*/ |
|
static void mwifiex_cleanup_mpa_buf(struct mwifiex_adapter *adapter) |
|
{ |
|
struct sdio_mmc_card *card = adapter->card; |
|
|
|
MP_TX_AGGR_BUF_RESET(card); |
|
MP_RX_AGGR_BUF_RESET(card); |
|
} |
|
|
|
/* |
|
* This function cleans up the allocated card buffers. |
|
* |
|
* The following are freed by this function - |
|
* - MP registers |
|
* - MPA Tx buffer |
|
* - MPA Rx buffer |
|
*/ |
|
static void mwifiex_cleanup_sdio(struct mwifiex_adapter *adapter) |
|
{ |
|
struct sdio_mmc_card *card = adapter->card; |
|
|
|
cancel_work_sync(&card->work); |
|
|
|
kfree(card->mp_regs); |
|
kfree(card->mpa_rx.skb_arr); |
|
kfree(card->mpa_rx.len_arr); |
|
kfree(card->mpa_tx.buf); |
|
kfree(card->mpa_rx.buf); |
|
} |
|
|
|
/* |
|
* This function updates the MP end port in card. |
|
*/ |
|
static void |
|
mwifiex_update_mp_end_port(struct mwifiex_adapter *adapter, u16 port) |
|
{ |
|
struct sdio_mmc_card *card = adapter->card; |
|
const struct mwifiex_sdio_card_reg *reg = card->reg; |
|
int i; |
|
|
|
card->mp_end_port = port; |
|
|
|
card->mp_data_port_mask = reg->data_port_mask; |
|
|
|
if (reg->start_wr_port) { |
|
for (i = 1; i <= card->max_ports - card->mp_end_port; i++) |
|
card->mp_data_port_mask &= |
|
~(1 << (card->max_ports - i)); |
|
} |
|
|
|
card->curr_wr_port = reg->start_wr_port; |
|
|
|
mwifiex_dbg(adapter, CMD, |
|
"cmd: mp_end_port %d, data port mask 0x%x\n", |
|
port, card->mp_data_port_mask); |
|
} |
|
|
|
static void mwifiex_sdio_card_reset_work(struct mwifiex_adapter *adapter) |
|
{ |
|
struct sdio_mmc_card *card = adapter->card; |
|
struct sdio_func *func = card->func; |
|
int ret; |
|
|
|
/* Prepare the adapter for the reset. */ |
|
mwifiex_shutdown_sw(adapter); |
|
clear_bit(MWIFIEX_IFACE_WORK_DEVICE_DUMP, &card->work_flags); |
|
clear_bit(MWIFIEX_IFACE_WORK_CARD_RESET, &card->work_flags); |
|
|
|
/* Run a HW reset of the SDIO interface. */ |
|
sdio_claim_host(func); |
|
ret = mmc_hw_reset(func->card->host); |
|
sdio_release_host(func); |
|
|
|
switch (ret) { |
|
case 1: |
|
dev_dbg(&func->dev, "SDIO HW reset asynchronous\n"); |
|
complete_all(adapter->fw_done); |
|
break; |
|
case 0: |
|
ret = mwifiex_reinit_sw(adapter); |
|
if (ret) |
|
dev_err(&func->dev, "reinit failed: %d\n", ret); |
|
break; |
|
default: |
|
dev_err(&func->dev, "SDIO HW reset failed: %d\n", ret); |
|
break; |
|
} |
|
} |
|
|
|
/* This function read/write firmware */ |
|
static enum |
|
rdwr_status mwifiex_sdio_rdwr_firmware(struct mwifiex_adapter *adapter, |
|
u8 doneflag) |
|
{ |
|
struct sdio_mmc_card *card = adapter->card; |
|
int ret, tries; |
|
u8 ctrl_data = 0; |
|
|
|
sdio_writeb(card->func, card->reg->fw_dump_host_ready, |
|
card->reg->fw_dump_ctrl, &ret); |
|
if (ret) { |
|
mwifiex_dbg(adapter, ERROR, "SDIO Write ERR\n"); |
|
return RDWR_STATUS_FAILURE; |
|
} |
|
for (tries = 0; tries < MAX_POLL_TRIES; tries++) { |
|
ctrl_data = sdio_readb(card->func, card->reg->fw_dump_ctrl, |
|
&ret); |
|
if (ret) { |
|
mwifiex_dbg(adapter, ERROR, "SDIO read err\n"); |
|
return RDWR_STATUS_FAILURE; |
|
} |
|
if (ctrl_data == FW_DUMP_DONE) |
|
break; |
|
if (doneflag && ctrl_data == doneflag) |
|
return RDWR_STATUS_DONE; |
|
if (ctrl_data != card->reg->fw_dump_host_ready) { |
|
mwifiex_dbg(adapter, WARN, |
|
"The ctrl reg was changed, re-try again\n"); |
|
sdio_writeb(card->func, card->reg->fw_dump_host_ready, |
|
card->reg->fw_dump_ctrl, &ret); |
|
if (ret) { |
|
mwifiex_dbg(adapter, ERROR, "SDIO write err\n"); |
|
return RDWR_STATUS_FAILURE; |
|
} |
|
} |
|
usleep_range(100, 200); |
|
} |
|
if (ctrl_data == card->reg->fw_dump_host_ready) { |
|
mwifiex_dbg(adapter, ERROR, |
|
"Fail to pull ctrl_data\n"); |
|
return RDWR_STATUS_FAILURE; |
|
} |
|
|
|
return RDWR_STATUS_SUCCESS; |
|
} |
|
|
|
/* This function dump firmware memory to file */ |
|
static void mwifiex_sdio_fw_dump(struct mwifiex_adapter *adapter) |
|
{ |
|
struct sdio_mmc_card *card = adapter->card; |
|
int ret = 0; |
|
unsigned int reg, reg_start, reg_end; |
|
u8 *dbg_ptr, *end_ptr, dump_num, idx, i, read_reg, doneflag = 0; |
|
enum rdwr_status stat; |
|
u32 memory_size; |
|
|
|
if (!card->can_dump_fw) |
|
return; |
|
|
|
for (idx = 0; idx < ARRAY_SIZE(mem_type_mapping_tbl); idx++) { |
|
struct memory_type_mapping *entry = &mem_type_mapping_tbl[idx]; |
|
|
|
if (entry->mem_ptr) { |
|
vfree(entry->mem_ptr); |
|
entry->mem_ptr = NULL; |
|
} |
|
entry->mem_size = 0; |
|
} |
|
|
|
mwifiex_pm_wakeup_card(adapter); |
|
sdio_claim_host(card->func); |
|
|
|
mwifiex_dbg(adapter, MSG, "== mwifiex firmware dump start ==\n"); |
|
|
|
stat = mwifiex_sdio_rdwr_firmware(adapter, doneflag); |
|
if (stat == RDWR_STATUS_FAILURE) |
|
goto done; |
|
|
|
reg = card->reg->fw_dump_start; |
|
/* Read the number of the memories which will dump */ |
|
dump_num = sdio_readb(card->func, reg, &ret); |
|
if (ret) { |
|
mwifiex_dbg(adapter, ERROR, "SDIO read memory length err\n"); |
|
goto done; |
|
} |
|
|
|
/* Read the length of every memory which will dump */ |
|
for (idx = 0; idx < dump_num; idx++) { |
|
struct memory_type_mapping *entry = &mem_type_mapping_tbl[idx]; |
|
|
|
stat = mwifiex_sdio_rdwr_firmware(adapter, doneflag); |
|
if (stat == RDWR_STATUS_FAILURE) |
|
goto done; |
|
|
|
memory_size = 0; |
|
reg = card->reg->fw_dump_start; |
|
for (i = 0; i < 4; i++) { |
|
read_reg = sdio_readb(card->func, reg, &ret); |
|
if (ret) { |
|
mwifiex_dbg(adapter, ERROR, "SDIO read err\n"); |
|
goto done; |
|
} |
|
memory_size |= (read_reg << i*8); |
|
reg++; |
|
} |
|
|
|
if (memory_size == 0) { |
|
mwifiex_dbg(adapter, DUMP, "Firmware dump Finished!\n"); |
|
ret = mwifiex_write_reg(adapter, |
|
card->reg->fw_dump_ctrl, |
|
FW_DUMP_READ_DONE); |
|
if (ret) { |
|
mwifiex_dbg(adapter, ERROR, "SDIO write err\n"); |
|
return; |
|
} |
|
break; |
|
} |
|
|
|
mwifiex_dbg(adapter, DUMP, |
|
"%s_SIZE=0x%x\n", entry->mem_name, memory_size); |
|
entry->mem_ptr = vmalloc(memory_size + 1); |
|
entry->mem_size = memory_size; |
|
if (!entry->mem_ptr) { |
|
mwifiex_dbg(adapter, ERROR, "Vmalloc %s failed\n", |
|
entry->mem_name); |
|
goto done; |
|
} |
|
dbg_ptr = entry->mem_ptr; |
|
end_ptr = dbg_ptr + memory_size; |
|
|
|
doneflag = entry->done_flag; |
|
mwifiex_dbg(adapter, DUMP, |
|
"Start %s output, please wait...\n", |
|
entry->mem_name); |
|
|
|
do { |
|
stat = mwifiex_sdio_rdwr_firmware(adapter, doneflag); |
|
if (stat == RDWR_STATUS_FAILURE) |
|
goto done; |
|
|
|
reg_start = card->reg->fw_dump_start; |
|
reg_end = card->reg->fw_dump_end; |
|
for (reg = reg_start; reg <= reg_end; reg++) { |
|
*dbg_ptr = sdio_readb(card->func, reg, &ret); |
|
if (ret) { |
|
mwifiex_dbg(adapter, ERROR, |
|
"SDIO read err\n"); |
|
goto done; |
|
} |
|
if (dbg_ptr < end_ptr) |
|
dbg_ptr++; |
|
else |
|
mwifiex_dbg(adapter, ERROR, |
|
"Allocated buf not enough\n"); |
|
} |
|
|
|
if (stat != RDWR_STATUS_DONE) |
|
continue; |
|
|
|
mwifiex_dbg(adapter, DUMP, "%s done: size=0x%tx\n", |
|
entry->mem_name, dbg_ptr - entry->mem_ptr); |
|
break; |
|
} while (1); |
|
} |
|
mwifiex_dbg(adapter, MSG, "== mwifiex firmware dump end ==\n"); |
|
|
|
done: |
|
sdio_release_host(card->func); |
|
} |
|
|
|
static void mwifiex_sdio_generic_fw_dump(struct mwifiex_adapter *adapter) |
|
{ |
|
struct sdio_mmc_card *card = adapter->card; |
|
struct memory_type_mapping *entry = &generic_mem_type_map[0]; |
|
unsigned int reg, reg_start, reg_end; |
|
u8 start_flag = 0, done_flag = 0; |
|
u8 *dbg_ptr, *end_ptr; |
|
enum rdwr_status stat; |
|
int ret = -1, tries; |
|
|
|
if (!card->fw_dump_enh) |
|
return; |
|
|
|
if (entry->mem_ptr) { |
|
vfree(entry->mem_ptr); |
|
entry->mem_ptr = NULL; |
|
} |
|
entry->mem_size = 0; |
|
|
|
mwifiex_pm_wakeup_card(adapter); |
|
sdio_claim_host(card->func); |
|
|
|
mwifiex_dbg(adapter, MSG, "== mwifiex firmware dump start ==\n"); |
|
|
|
stat = mwifiex_sdio_rdwr_firmware(adapter, done_flag); |
|
if (stat == RDWR_STATUS_FAILURE) |
|
goto done; |
|
|
|
reg_start = card->reg->fw_dump_start; |
|
reg_end = card->reg->fw_dump_end; |
|
for (reg = reg_start; reg <= reg_end; reg++) { |
|
for (tries = 0; tries < MAX_POLL_TRIES; tries++) { |
|
start_flag = sdio_readb(card->func, reg, &ret); |
|
if (ret) { |
|
mwifiex_dbg(adapter, ERROR, |
|
"SDIO read err\n"); |
|
goto done; |
|
} |
|
if (start_flag == 0) |
|
break; |
|
if (tries == MAX_POLL_TRIES) { |
|
mwifiex_dbg(adapter, ERROR, |
|
"FW not ready to dump\n"); |
|
ret = -1; |
|
goto done; |
|
} |
|
} |
|
usleep_range(100, 200); |
|
} |
|
|
|
entry->mem_ptr = vmalloc(0xf0000 + 1); |
|
if (!entry->mem_ptr) { |
|
ret = -1; |
|
goto done; |
|
} |
|
dbg_ptr = entry->mem_ptr; |
|
entry->mem_size = 0xf0000; |
|
end_ptr = dbg_ptr + entry->mem_size; |
|
|
|
done_flag = entry->done_flag; |
|
mwifiex_dbg(adapter, DUMP, |
|
"Start %s output, please wait...\n", entry->mem_name); |
|
|
|
while (true) { |
|
stat = mwifiex_sdio_rdwr_firmware(adapter, done_flag); |
|
if (stat == RDWR_STATUS_FAILURE) |
|
goto done; |
|
for (reg = reg_start; reg <= reg_end; reg++) { |
|
*dbg_ptr = sdio_readb(card->func, reg, &ret); |
|
if (ret) { |
|
mwifiex_dbg(adapter, ERROR, |
|
"SDIO read err\n"); |
|
goto done; |
|
} |
|
dbg_ptr++; |
|
if (dbg_ptr >= end_ptr) { |
|
u8 *tmp_ptr; |
|
|
|
tmp_ptr = vmalloc(entry->mem_size + 0x4000 + 1); |
|
if (!tmp_ptr) |
|
goto done; |
|
|
|
memcpy(tmp_ptr, entry->mem_ptr, |
|
entry->mem_size); |
|
vfree(entry->mem_ptr); |
|
entry->mem_ptr = tmp_ptr; |
|
tmp_ptr = NULL; |
|
dbg_ptr = entry->mem_ptr + entry->mem_size; |
|
entry->mem_size += 0x4000; |
|
end_ptr = entry->mem_ptr + entry->mem_size; |
|
} |
|
} |
|
if (stat == RDWR_STATUS_DONE) { |
|
entry->mem_size = dbg_ptr - entry->mem_ptr; |
|
mwifiex_dbg(adapter, DUMP, "dump %s done size=0x%x\n", |
|
entry->mem_name, entry->mem_size); |
|
ret = 0; |
|
break; |
|
} |
|
} |
|
mwifiex_dbg(adapter, MSG, "== mwifiex firmware dump end ==\n"); |
|
|
|
done: |
|
if (ret) { |
|
mwifiex_dbg(adapter, ERROR, "firmware dump failed\n"); |
|
if (entry->mem_ptr) { |
|
vfree(entry->mem_ptr); |
|
entry->mem_ptr = NULL; |
|
} |
|
entry->mem_size = 0; |
|
} |
|
sdio_release_host(card->func); |
|
} |
|
|
|
static void mwifiex_sdio_device_dump_work(struct mwifiex_adapter *adapter) |
|
{ |
|
struct sdio_mmc_card *card = adapter->card; |
|
|
|
adapter->devdump_data = vzalloc(MWIFIEX_FW_DUMP_SIZE); |
|
if (!adapter->devdump_data) { |
|
mwifiex_dbg(adapter, ERROR, |
|
"vzalloc devdump data failure!\n"); |
|
return; |
|
} |
|
|
|
mwifiex_drv_info_dump(adapter); |
|
if (card->fw_dump_enh) |
|
mwifiex_sdio_generic_fw_dump(adapter); |
|
else |
|
mwifiex_sdio_fw_dump(adapter); |
|
mwifiex_prepare_fw_dump_info(adapter); |
|
mwifiex_upload_device_dump(adapter); |
|
} |
|
|
|
static void mwifiex_sdio_work(struct work_struct *work) |
|
{ |
|
struct sdio_mmc_card *card = |
|
container_of(work, struct sdio_mmc_card, work); |
|
|
|
if (test_and_clear_bit(MWIFIEX_IFACE_WORK_DEVICE_DUMP, |
|
&card->work_flags)) |
|
mwifiex_sdio_device_dump_work(card->adapter); |
|
if (test_and_clear_bit(MWIFIEX_IFACE_WORK_CARD_RESET, |
|
&card->work_flags)) |
|
mwifiex_sdio_card_reset_work(card->adapter); |
|
} |
|
|
|
/* This function resets the card */ |
|
static void mwifiex_sdio_card_reset(struct mwifiex_adapter *adapter) |
|
{ |
|
struct sdio_mmc_card *card = adapter->card; |
|
|
|
if (!test_and_set_bit(MWIFIEX_IFACE_WORK_CARD_RESET, &card->work_flags)) |
|
schedule_work(&card->work); |
|
} |
|
|
|
/* This function dumps FW information */ |
|
static void mwifiex_sdio_device_dump(struct mwifiex_adapter *adapter) |
|
{ |
|
struct sdio_mmc_card *card = adapter->card; |
|
|
|
if (!test_and_set_bit(MWIFIEX_IFACE_WORK_DEVICE_DUMP, |
|
&card->work_flags)) |
|
schedule_work(&card->work); |
|
} |
|
|
|
/* Function to dump SDIO function registers and SDIO scratch registers in case |
|
* of FW crash |
|
*/ |
|
static int |
|
mwifiex_sdio_reg_dump(struct mwifiex_adapter *adapter, char *drv_buf) |
|
{ |
|
char *p = drv_buf; |
|
struct sdio_mmc_card *cardp = adapter->card; |
|
int ret = 0; |
|
u8 count, func, data, index = 0, size = 0; |
|
u8 reg, reg_start, reg_end; |
|
char buf[256], *ptr; |
|
|
|
if (!p) |
|
return 0; |
|
|
|
mwifiex_dbg(adapter, MSG, "SDIO register dump start\n"); |
|
|
|
mwifiex_pm_wakeup_card(adapter); |
|
|
|
sdio_claim_host(cardp->func); |
|
|
|
for (count = 0; count < 5; count++) { |
|
memset(buf, 0, sizeof(buf)); |
|
ptr = buf; |
|
|
|
switch (count) { |
|
case 0: |
|
/* Read the registers of SDIO function0 */ |
|
func = count; |
|
reg_start = 0; |
|
reg_end = 9; |
|
break; |
|
case 1: |
|
/* Read the registers of SDIO function1 */ |
|
func = count; |
|
reg_start = cardp->reg->func1_dump_reg_start; |
|
reg_end = cardp->reg->func1_dump_reg_end; |
|
break; |
|
case 2: |
|
index = 0; |
|
func = 1; |
|
reg_start = cardp->reg->func1_spec_reg_table[index++]; |
|
size = cardp->reg->func1_spec_reg_num; |
|
reg_end = cardp->reg->func1_spec_reg_table[size-1]; |
|
break; |
|
default: |
|
/* Read the scratch registers of SDIO function1 */ |
|
if (count == 4) |
|
mdelay(100); |
|
func = 1; |
|
reg_start = cardp->reg->func1_scratch_reg; |
|
reg_end = reg_start + MWIFIEX_SDIO_SCRATCH_SIZE; |
|
} |
|
|
|
if (count != 2) |
|
ptr += sprintf(ptr, "SDIO Func%d (%#x-%#x): ", |
|
func, reg_start, reg_end); |
|
else |
|
ptr += sprintf(ptr, "SDIO Func%d: ", func); |
|
|
|
for (reg = reg_start; reg <= reg_end;) { |
|
if (func == 0) |
|
data = sdio_f0_readb(cardp->func, reg, &ret); |
|
else |
|
data = sdio_readb(cardp->func, reg, &ret); |
|
|
|
if (count == 2) |
|
ptr += sprintf(ptr, "(%#x) ", reg); |
|
if (!ret) { |
|
ptr += sprintf(ptr, "%02x ", data); |
|
} else { |
|
ptr += sprintf(ptr, "ERR"); |
|
break; |
|
} |
|
|
|
if (count == 2 && reg < reg_end) |
|
reg = cardp->reg->func1_spec_reg_table[index++]; |
|
else |
|
reg++; |
|
} |
|
|
|
mwifiex_dbg(adapter, MSG, "%s\n", buf); |
|
p += sprintf(p, "%s\n", buf); |
|
} |
|
|
|
sdio_release_host(cardp->func); |
|
|
|
mwifiex_dbg(adapter, MSG, "SDIO register dump end\n"); |
|
|
|
return p - drv_buf; |
|
} |
|
|
|
/* sdio device/function initialization, code is extracted |
|
* from init_if handler and register_dev handler. |
|
*/ |
|
static void mwifiex_sdio_up_dev(struct mwifiex_adapter *adapter) |
|
{ |
|
struct sdio_mmc_card *card = adapter->card; |
|
u8 sdio_ireg; |
|
|
|
sdio_claim_host(card->func); |
|
sdio_enable_func(card->func); |
|
sdio_set_block_size(card->func, MWIFIEX_SDIO_BLOCK_SIZE); |
|
sdio_release_host(card->func); |
|
|
|
/* tx_buf_size might be changed to 3584 by firmware during |
|
* data transfer, we will reset to default size. |
|
*/ |
|
adapter->tx_buf_size = card->tx_buf_size; |
|
|
|
/* Read the host_int_status_reg for ACK the first interrupt got |
|
* from the bootloader. If we don't do this we get a interrupt |
|
* as soon as we register the irq. |
|
*/ |
|
mwifiex_read_reg(adapter, card->reg->host_int_status_reg, &sdio_ireg); |
|
|
|
mwifiex_init_sdio_ioport(adapter); |
|
} |
|
|
|
static struct mwifiex_if_ops sdio_ops = { |
|
.init_if = mwifiex_init_sdio, |
|
.cleanup_if = mwifiex_cleanup_sdio, |
|
.check_fw_status = mwifiex_check_fw_status, |
|
.check_winner_status = mwifiex_check_winner_status, |
|
.prog_fw = mwifiex_prog_fw_w_helper, |
|
.register_dev = mwifiex_register_dev, |
|
.unregister_dev = mwifiex_unregister_dev, |
|
.enable_int = mwifiex_sdio_enable_host_int, |
|
.disable_int = mwifiex_sdio_disable_host_int, |
|
.process_int_status = mwifiex_process_int_status, |
|
.host_to_card = mwifiex_sdio_host_to_card, |
|
.wakeup = mwifiex_pm_wakeup_card, |
|
.wakeup_complete = mwifiex_pm_wakeup_card_complete, |
|
|
|
/* SDIO specific */ |
|
.update_mp_end_port = mwifiex_update_mp_end_port, |
|
.cleanup_mpa_buf = mwifiex_cleanup_mpa_buf, |
|
.cmdrsp_complete = mwifiex_sdio_cmdrsp_complete, |
|
.event_complete = mwifiex_sdio_event_complete, |
|
.dnld_fw = mwifiex_sdio_dnld_fw, |
|
.card_reset = mwifiex_sdio_card_reset, |
|
.reg_dump = mwifiex_sdio_reg_dump, |
|
.device_dump = mwifiex_sdio_device_dump, |
|
.deaggr_pkt = mwifiex_deaggr_sdio_pkt, |
|
.up_dev = mwifiex_sdio_up_dev, |
|
}; |
|
|
|
module_driver(mwifiex_sdio, sdio_register_driver, sdio_unregister_driver); |
|
|
|
MODULE_AUTHOR("Marvell International Ltd."); |
|
MODULE_DESCRIPTION("Marvell WiFi-Ex SDIO Driver version " SDIO_VERSION); |
|
MODULE_VERSION(SDIO_VERSION); |
|
MODULE_LICENSE("GPL v2"); |
|
MODULE_FIRMWARE(SD8786_DEFAULT_FW_NAME); |
|
MODULE_FIRMWARE(SD8787_DEFAULT_FW_NAME); |
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MODULE_FIRMWARE(SD8797_DEFAULT_FW_NAME); |
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MODULE_FIRMWARE(SD8897_DEFAULT_FW_NAME); |
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MODULE_FIRMWARE(SD8887_DEFAULT_FW_NAME); |
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MODULE_FIRMWARE(SD8977_DEFAULT_FW_NAME); |
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MODULE_FIRMWARE(SD8987_DEFAULT_FW_NAME); |
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MODULE_FIRMWARE(SD8997_DEFAULT_FW_NAME);
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