51f50f8157
With cmwq, there's no reason to use separate workqueues in iwmc3200top. Drop them and use system_wq instead. The used work items are sync flushed before driver detach. Signed-off-by: Tejun Heo <tj@kernel.org> Cc: Tomas Winkler <tomas.winkler@intel.com>
205 lines
5.3 KiB
C
205 lines
5.3 KiB
C
/*
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* iwmc3200top - Intel Wireless MultiCom 3200 Top Driver
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* drivers/misc/iwmc3200top/iwmc3200top.h
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*
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* Copyright (C) 2009 Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License version
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* 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*
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*
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* Author Name: Maxim Grabarnik <maxim.grabarnink@intel.com>
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* -
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*
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*/
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#ifndef __IWMC3200TOP_H__
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#define __IWMC3200TOP_H__
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#include <linux/workqueue.h>
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#define DRV_NAME "iwmc3200top"
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#define FW_API_VER 1
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#define _FW_NAME(api) DRV_NAME "." #api ".fw"
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#define FW_NAME(api) _FW_NAME(api)
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#define IWMC_SDIO_BLK_SIZE 256
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#define IWMC_DEFAULT_TR_BLK 64
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#define IWMC_SDIO_DATA_ADDR 0x0
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#define IWMC_SDIO_INTR_ENABLE_ADDR 0x14
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#define IWMC_SDIO_INTR_STATUS_ADDR 0x13
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#define IWMC_SDIO_INTR_CLEAR_ADDR 0x13
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#define IWMC_SDIO_INTR_GET_SIZE_ADDR 0x2C
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#define COMM_HUB_HEADER_LENGTH 16
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#define LOGGER_HEADER_LENGTH 10
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#define BARKER_DNLOAD_BT_POS 0
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#define BARKER_DNLOAD_BT_MSK BIT(BARKER_DNLOAD_BT_POS)
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#define BARKER_DNLOAD_GPS_POS 1
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#define BARKER_DNLOAD_GPS_MSK BIT(BARKER_DNLOAD_GPS_POS)
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#define BARKER_DNLOAD_TOP_POS 2
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#define BARKER_DNLOAD_TOP_MSK BIT(BARKER_DNLOAD_TOP_POS)
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#define BARKER_DNLOAD_RESERVED1_POS 3
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#define BARKER_DNLOAD_RESERVED1_MSK BIT(BARKER_DNLOAD_RESERVED1_POS)
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#define BARKER_DNLOAD_JUMP_POS 4
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#define BARKER_DNLOAD_JUMP_MSK BIT(BARKER_DNLOAD_JUMP_POS)
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#define BARKER_DNLOAD_SYNC_POS 5
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#define BARKER_DNLOAD_SYNC_MSK BIT(BARKER_DNLOAD_SYNC_POS)
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#define BARKER_DNLOAD_RESERVED2_POS 6
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#define BARKER_DNLOAD_RESERVED2_MSK (0x3 << BARKER_DNLOAD_RESERVED2_POS)
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#define BARKER_DNLOAD_BARKER_POS 8
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#define BARKER_DNLOAD_BARKER_MSK (0xffffff << BARKER_DNLOAD_BARKER_POS)
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#define IWMC_BARKER_REBOOT (0xdeadbe << BARKER_DNLOAD_BARKER_POS)
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/* whole field barker */
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#define IWMC_BARKER_ACK 0xfeedbabe
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#define IWMC_CMD_SIGNATURE 0xcbbc
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#define CMD_HDR_OPCODE_POS 0
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#define CMD_HDR_OPCODE_MSK_MSK (0xf << CMD_HDR_OPCODE_MSK_POS)
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#define CMD_HDR_RESPONSE_CODE_POS 4
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#define CMD_HDR_RESPONSE_CODE_MSK (0xf << CMD_HDR_RESPONSE_CODE_POS)
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#define CMD_HDR_USE_CHECKSUM_POS 8
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#define CMD_HDR_USE_CHECKSUM_MSK BIT(CMD_HDR_USE_CHECKSUM_POS)
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#define CMD_HDR_RESPONSE_REQUIRED_POS 9
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#define CMD_HDR_RESPONSE_REQUIRED_MSK BIT(CMD_HDR_RESPONSE_REQUIRED_POS)
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#define CMD_HDR_DIRECT_ACCESS_POS 10
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#define CMD_HDR_DIRECT_ACCESS_MSK BIT(CMD_HDR_DIRECT_ACCESS_POS)
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#define CMD_HDR_RESERVED_POS 11
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#define CMD_HDR_RESERVED_MSK BIT(0x1f << CMD_HDR_RESERVED_POS)
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#define CMD_HDR_SIGNATURE_POS 16
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#define CMD_HDR_SIGNATURE_MSK BIT(0xffff << CMD_HDR_SIGNATURE_POS)
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enum {
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IWMC_OPCODE_PING = 0,
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IWMC_OPCODE_READ = 1,
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IWMC_OPCODE_WRITE = 2,
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IWMC_OPCODE_JUMP = 3,
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IWMC_OPCODE_REBOOT = 4,
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IWMC_OPCODE_PERSISTENT_WRITE = 5,
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IWMC_OPCODE_PERSISTENT_READ = 6,
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IWMC_OPCODE_READ_MODIFY_WRITE = 7,
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IWMC_OPCODE_LAST_COMMAND = 15
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};
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struct iwmct_fw_load_hdr {
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__le32 cmd;
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__le32 target_addr;
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__le32 data_size;
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__le32 block_chksm;
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u8 data[0];
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};
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/**
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* struct iwmct_fw_hdr
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* holds all sw components versions
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*/
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struct iwmct_fw_hdr {
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u8 top_major;
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u8 top_minor;
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u8 top_revision;
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u8 gps_major;
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u8 gps_minor;
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u8 gps_revision;
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u8 bt_major;
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u8 bt_minor;
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u8 bt_revision;
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u8 tic_name[31];
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};
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/**
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* struct iwmct_fw_sec_hdr
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* @type: function type
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* @data_size: section's data size
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* @target_addr: download address
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*/
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struct iwmct_fw_sec_hdr {
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u8 type[4];
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__le32 data_size;
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__le32 target_addr;
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};
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/**
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* struct iwmct_parser
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* @file: fw image
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* @file_size: fw size
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* @cur_pos: position in file
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* @buf: temp buf for download
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* @buf_size: size of buf
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* @entry_point: address to jump in fw kick-off
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*/
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struct iwmct_parser {
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const u8 *file;
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size_t file_size;
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size_t cur_pos;
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u8 *buf;
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size_t buf_size;
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u32 entry_point;
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struct iwmct_fw_hdr versions;
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};
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struct iwmct_work_struct {
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struct list_head list;
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ssize_t iosize;
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};
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struct iwmct_dbg {
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int blocks;
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bool dump;
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bool jump;
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bool direct;
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bool checksum;
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bool fw_download;
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int block_size;
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int download_trans_blks;
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char label_fw[256];
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};
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struct iwmct_debugfs;
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struct iwmct_priv {
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struct sdio_func *func;
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struct iwmct_debugfs *dbgfs;
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struct iwmct_parser parser;
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atomic_t reset;
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atomic_t dev_sync;
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u32 trans_len;
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u32 barker;
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struct iwmct_dbg dbg;
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/* drivers work items */
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struct work_struct bus_rescan_worker;
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struct work_struct isr_worker;
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/* drivers wait queue */
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wait_queue_head_t wait_q;
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/* rx request list */
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struct list_head read_req_list;
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};
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extern int iwmct_tx(struct iwmct_priv *priv, void *src, int count);
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extern int iwmct_fw_load(struct iwmct_priv *priv);
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extern void iwmct_dbg_init_params(struct iwmct_priv *drv);
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extern void iwmct_dbg_init_drv_attrs(struct device_driver *drv);
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extern void iwmct_dbg_remove_drv_attrs(struct device_driver *drv);
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extern int iwmct_send_hcmd(struct iwmct_priv *priv, u8 *cmd, u16 len);
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#endif /* __IWMC3200TOP_H__ */
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