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/*
* Copyright (C) 2011 Samsung Electronics.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#ifndef _WIMAX_SDIO_H
#define _WIMAX_SDIO_H
#include <linux/miscdevice.h>
#include <linux/mmc/sdio_func.h>
#include <linux/netdevice.h>
#include <linux/completion.h>
#include <linux/firmware.h>
#include <asm/byteorder.h>
#define WIMAX_CON0_POLL
/* Macro definition for defining IOCTL */
#define CTL_CODE(DeviceType, Function, Method, Access) \
( \
((DeviceType) << 16) | ((Access) << 14) | \
((Function) << 2) | (Method) \
)
/* Define the method codes for how buffers are passed for I/O and FS controls */
#define METHOD_BUFFERED 0
/*
* Define the access check value for any access
* The FILE_READ_ACCESS and FILE_WRITE_ACCESS constants are also defined in
* ntioapi.h as FILE_READ_DATA and FILE_WRITE_DATA. The values for these
* constants *MUST* always be in sync.
*/
#define FILE_ANY_ACCESS 0
#define CONTROL_ETH_TYPE_WCM 0x0015
#ifndef FILE_DEVICE_UNKNOWN
#define FILE_DEVICE_UNKNOWN 0x89
#endif
#define CONTROL_IOCTL_WRITE_REQUEST \
CTL_CODE(FILE_DEVICE_UNKNOWN, 0x820, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define CONTROL_IOCTL_WIMAX_POWER_CTL \
CTL_CODE(FILE_DEVICE_UNKNOWN, 0x821, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define CONTROL_IOCTL_WIMAX_MODE_CHANGE \
CTL_CODE(FILE_DEVICE_UNKNOWN, 0x838, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define CONTROL_IOCTL_WIMAX_EEPROM_DOWNLOAD \
CTL_CODE(FILE_DEVICE_UNKNOWN, 0x839, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define CONTROL_IOCTL_WIMAX_WRITE_REV \
CTL_CODE(FILE_DEVICE_UNKNOWN, 0x83B, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define CONTROL_IOCTL_WIMAX_CHECK_CERT \
CTL_CODE(FILE_DEVICE_UNKNOWN, 0x83C, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define CONTROL_IOCTL_WIMAX_CHECK_CAL \
CTL_CODE(FILE_DEVICE_UNKNOWN, 0x83D, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define ETHERNET_ADDRESS_LENGTH 6
/* eth types for control message */
enum {
ETHERTYPE_HIM = 0x1500,
ETHERTYPE_MC = 0x1501,
ETHERTYPE_DM = 0x1502,
ETHERTYPE_CT = 0x1503,
ETHERTYPE_DL = 0x1504,
ETHERTYPE_VSP = 0x1510,
ETHERTYPE_AUTH = 0x1521
};
#define WIMAX_IMAGE_PATH "wimaxfw.bin"
#define WIMAX_LOADER_PATH "wimaxloader.bin"
/*Time(ms) taken for CMC bootloader to be ready for firmware download*/
#define CMC_BOOTLOAD_TIME 250
/*Time(ms) to wait for SDIO probe after SDIO force detect call*/
#define CMC_PROBE_TIMEOUT 1000
/*Time(ms) to wait the firmware to complete downloading*/
#define CMC_FIRMWARE_DOWNLOAD_TIMEOUT 2000
/*maximum time(ms) spent for MAC request */
#define CMC_MAC_TIMEOUT 9000
#define MODEM_RESP_RETRY 10
#define ADAPTER_TIMEOUT (HZ * 10)
#define CMC732_RAM_START 0xC0000000
#define CMC732_WIMAX_ADDRESS CMC732_RAM_START
#define CMD_MSG_TOTAL_LENGTH 12
#define IMAGE_INFO_MSG_TOTAL_LENGTH 28
#define CMD_MSG_LENGTH 0
#define IMAGE_INFO_MSG_LENGTH 16
#define MAX_IMAGE_DATA_LENGTH 3564
#define MAX_IMAGE_DATA_MSG_LENGTH 4096
/*
* SDIO general defines
* size of a bank in cmc732's rx and tx buffers
*/
#define CMC732_SDIO_BANK_SIZE 4096
#define CMC732_PACKET_LENGTH_SIZE 4
#define CMC732_MAX_PACKET_SIZE (CMC732_SDIO_BANK_SIZE \
- CMC732_PACKET_LENGTH_SIZE)
#define CMC_BLOCK_SIZE 512
#define WIMAX_MTU_SIZE 1400
#define WIMAX_MAX_FRAMESIZE 1500
#define WIMAX_HEADER_SIZE 14
#define WIMAX_MAX_TOTAL_SIZE (WIMAX_MAX_FRAMESIZE + WIMAX_HEADER_SIZE)
/* maximum allocated data size, mtu 1400 so 3 blocks max 1536 */
#define BUFFER_DATA_SIZE 1600
/*maximum permitted SDIO error before wimax restart*/
#define MAX_SDIO_ERROR 10
/* SDIO function addresses */
#define SDIO_TX_BANK_ADDR 0x1000
#define SDIO_RX_BANK_ADDR 0x10000
#define SDIO_INT_STATUS_REG 0xC0
#define SDIO_INT_STATUS_CLR_REG 0xC4
#define SDIO_C2H_WP_REG 0xE4
#define SDIO_C2H_RP_REG 0xE8
#define SDIO_H2C_WP_REG 0xEC
#define SDIO_H2C_RP_REG 0xF0
#define SDIO_INT_DATA_READY 0x01
#define SDIO_INT_ERROR 0x02
#define MAC_RETRY_COUNT 9
#define MAC_RETRY_INTERVAL 200
#define WAKEUP_MAX_TRY 60
#define WAKEUP_ASSERT_T 100
#define CMC_BLOCK_SIZE 512
#define CMC_MAX_BYTE_SIZE (CMC_BLOCK_SIZE - 1)
/* used for host boot (firmware download) */
enum {
MSG_DRIVER_OK_REQ = 0x5010,
MSG_DRIVER_OK_RESP = 0x6010,
MSG_IMAGE_INFO_REQ = 0x3021,
MSG_IMAGE_INFO_RESP = 0x4021,
MSG_IMAGE_DATA_REQ = 0x3022,
MSG_IMAGE_DATA_RESP = 0x4022,
MSG_RUN_REQ = 0x5014,
MSG_RUN_RESP = 0x6014
};
/* private packet opcodes */
enum {
HWCODEMACREQUEST = 0x01,
HWCODEMACRESPONSE,
HWCODELINKINDICATION,
HWCODERXREADYINDICATION,
HWCODEHALTEDINDICATION,
HWCODEIDLENTFY,
HWCODEWAKEUPNTFY
};
#define HW_PROT_VALUE_LINK_DOWN 0x00
#define HW_PROT_VALUE_LINK_UP 0xff
/* process element managed by control type */
struct process_descriptor {
struct list_head list;
struct list_head buffer_list;
wait_queue_head_t read_wait;
u32 id;
u16 type;
};
struct buffer_descriptor {
struct list_head list; /* list node */
u8 *buffer; /* allocated buffer: */
s32 length; /* current data length */
};
struct image_data_payload {
u32 offset;
u32 size;
u8 data[MAX_IMAGE_DATA_LENGTH];
};
#pragma pack(1)
/* eth header structure */
struct eth_header {
u8 dest[ETHERNET_ADDRESS_LENGTH];
u8 src[ETHERNET_ADDRESS_LENGTH];
u16 type;
};
struct hw_packet_header {
char id0; /* packet ID */
char id1;
u16 length; /* packet length */
};
struct hw_private_packet {
char id0; /* packet ID */
char id1;
u8 code; /* command code */
u8 value; /* command value */
};
struct wimax_msg_header {
u16 type;
u16 id;
u32 length;
};
#pragma pack()
/* network adapter structure */
struct net_adapter {
struct completion probe;
struct completion firmware_download;
struct completion mac;
struct completion remove;
wait_queue_head_t modem_resp_event;
wait_queue_head_t con0_poll;
struct workqueue_struct *wimax_workqueue;
struct work_struct rx_work;
struct work_struct tx_work;
struct sdio_func *func;
struct net_device *net;
struct net_device_stats netstats;
struct miscdevice uwibro_dev;
const struct firmware *fw;
struct list_head q_send; /* send pending queue */
spinlock_t send_lock;
struct list_head control_process_list;
struct mutex control_lock;
struct wimax732_platform_data *pdata;
#ifdef WIMAX_CON0_POLL
struct task_struct *wtm_task;
#endif
struct sk_buff *rx_skb;
u8 *receive_buffer;
u32 buff_len;
u32 image_offset;
u32 msg_enable;
s32 wake_irq;
u32 sdio_error_count;
u8 eth_header[ETHERNET_ADDRESS_LENGTH * 2];
bool modem_resp;
};
#endif /* _WIMAX_SDIO_H */
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