/*
* Intel Wireless Multicomm 3200 WiFi driver
*
* Copyright (C) 2009 Intel Corporation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*
* Intel Corporation <ilw@linux.intel.com>
* Samuel Ortiz <samuel.ortiz@intel.com>
* Zhu Yi <yi.zhu@intel.com>
*
*/
#ifndef _IWM_HAL_H_
#define _IWM_HAL_H_
#include "umac.h"
#define GET_VAL8(s, name) ((s >> name##_POS) & name##_SEED)
#define GET_VAL16(s, name) ((le16_to_cpu(s) >> name##_POS) & name##_SEED)
#define GET_VAL32(s, name) ((le32_to_cpu(s) >> name##_POS) & name##_SEED)
#define SET_VAL8(s, name, val) \
do { \
s = (s & ~(name##_SEED << name##_POS)) | \
((val & name##_SEED) << name##_POS); \
} while (0)
#define SET_VAL16(s, name, val) \
do { \
s = cpu_to_le16((le16_to_cpu(s) & ~(name##_SEED << name##_POS)) | \
((val & name##_SEED) << name##_POS)); \
} while (0)
#define SET_VAL32(s, name, val) \
do { \
s = cpu_to_le32((le32_to_cpu(s) & ~(name##_SEED << name##_POS)) | \
((val & name##_SEED) << name##_POS)); \
} while (0)
#define UDMA_UMAC_INIT { .eop = 1, \
.credit_group = 0x4, \
.ra_tid = UMAC_HDI_ACT_TBL_IDX_HOST_CMD, \
.lmac_offset = 0 }
#define UDMA_LMAC_INIT { .eop = 1, \
.credit_group = 0x4, \
.ra_tid = UMAC_HDI_ACT_TBL_IDX_HOST_CMD, \
.lmac_offset = 4 }
/* UDMA IN OP CODE -- cmd bits [3:0] */
#define UDMA_IN_OPCODE_MASK 0xF
#define UDMA_IN_OPCODE_GENERAL_RESP 0x0
#define UDMA_IN_OPCODE_READ_RESP 0x1
#define UDMA_IN_OPCODE_WRITE_RESP 0x2
#define UDMA_IN_OPCODE_PERS_WRITE_RESP 0x5
#define UDMA_IN_OPCODE_PERS_READ_RESP 0x6
#define UDMA_IN_OPCODE_RD_MDFY_WR_RESP 0x7
#define UDMA_IN_OPCODE_EP_MNGMT_MSG 0x8
#define UDMA_IN_OPCODE_CRDT_CHNG_MSG 0x9
#define UDMA_IN_OPCODE_CNTRL_DATABASE_MSG 0xA
#define UDMA_IN_OPCODE_SW_MSG 0xB
#define UDMA_IN_OPCODE_WIFI 0xF
#define UDMA_IN_OPCODE_WIFI_LMAC 0x1F
#define UDMA_IN_OPCODE_WIFI_UMAC 0x2F
/* HW API: udma_hdi_nonwifi API (OUT and IN) */
/* iwm_udma_nonwifi_cmd request response -- bits [9:9] */
#define UDMA_HDI_OUT_NW_CMD_RESP_POS 9
#define UDMA_HDI_OUT_NW_CMD_RESP_SEED 0x1
/* iwm_udma_nonwifi_cmd handle by HW -- bits [11:11] */
#define UDMA_HDI_OUT_NW_CMD_HANDLE_BY_HW_POS 11
#define UDMA_HDI_OUT_NW_CMD_HANDLE_BY_HW_SEED 0x1
/* iwm_udma_nonwifi_cmd sequence-number -- bits [12:15] */
#define UDMA_HDI_OUT_NW_CMD_SEQ_NUM_POS 12
#define UDMA_HDI_OUT_NW_CMD_SEQ_NUM_SEED 0xF
/* UDMA IN Non-WIFI HW sequence number -- bits [12:15] */
#define UDMA_IN_NW_HW_SEQ_NUM_POS 12
#define UDMA_IN_NW_HW_SEQ_NUM_SEED 0xF
/* UDMA IN Non-WIFI HW signature -- bits [16:31] */
#define UDMA_IN_NW_HW_SIG_POS 16
#define UDMA_IN_NW_HW_SIG_SEED 0xFFFF
/* fixed signature */
#define UDMA_IN_NW_HW_SIG 0xCBBC
/* UDMA IN Non-WIFI HW block length -- bits [32:35] */
#define UDMA_IN_NW_HW_LENGTH_SEED 0xF
#define UDMA_IN_NW_HW_LENGTH_POS 32
/* End of HW API: udma_hdi_nonwifi API (OUT and IN) */
#define IWM_SDIO_FW_MAX_CHUNK_SIZE 2032
#define IWM_MAX_WIFI_HEADERS_SIZE 32
#define IWM_MAX_NONWIFI_HEADERS_SIZE 16
#define IWM_MAX_NONWIFI_CMD_BUFF_SIZE (IWM_SDIO_FW_MAX_CHUNK_SIZE - \
IWM_MAX_NONWIFI_HEADERS_SIZE)
#define IWM_MAX_WIFI_CMD_BUFF_SIZE (IWM_SDIO_FW_MAX_CHUNK_SIZE - \
IWM_MAX_WIFI_HEADERS_SIZE)
#define IWM_HAL_CONCATENATE_BUF_SIZE 8192
struct iwm_wifi_cmd_buff {
u16 len;
u8 *start;
u8 hdr[IWM_MAX_WIFI_HEADERS_SIZE];
u8 payload[IWM_MAX_WIFI_CMD_BUFF_SIZE];
};
struct iwm_nonwifi_cmd_buff {
u16 len;
u8 *start;
u8 hdr[IWM_MAX_NONWIFI_HEADERS_SIZE];
u8 payload[IWM_MAX_NONWIFI_CMD_BUFF_SIZE];
};
struct iwm_udma_nonwifi_cmd {
u8 opcode;
u8 eop;
u8 resp;
u8 handle_by_hw;
__le32 addr;
__le32 op1_sz;
__le32 op2;
__le16 seq_num;
};
struct iwm_udma_wifi_cmd {
__le16 count;
u8 eop;
u8 credit_group;
u8 ra_tid;
u8 lmac_offset;
};
struct iwm_umac_cmd {
u8 id;
__le16 count;
u8 resp;
__le16 seq_num;
u8 color;
};
struct iwm_lmac_cmd {
u8 id;
__le16 count;
u8 resp;
__le16 seq_num;
};
struct iwm_nonwifi_cmd {
u16 seq_num;
bool resp_received;
struct list_head pending;
struct iwm_udma_nonwifi_cmd udma_cmd;
struct iwm_umac_cmd umac_cmd;
struct iwm_lmac_cmd lmac_cmd;
struct iwm_nonwifi_cmd_buff buf;
u32 flags;
};
struct iwm_wifi_cmd {
u16 seq_num;
struct list_head pending;
struct iwm_udma_wifi_cmd udma_cmd;
struct iwm_umac_cmd umac_cmd;
struct iwm_lmac_cmd lmac_cmd;
struct iwm_wifi_cmd_buff buf;
u32 flags;
};
void iwm_cmd_flush(struct iwm_priv *iwm);
struct iwm_wifi_cmd *iwm_get_pending_wifi_cmd(struct iwm_priv *iwm,
u16 seq_num);
struct iwm_nonwifi_cmd *iwm_get_pending_nonwifi_cmd(struct iwm_priv *iwm,
u8 seq_num, u8 cmd_opcode);
int iwm_hal_send_target_cmd(struct iwm_priv *iwm,
struct iwm_udma_nonwifi_cmd *ucmd,
const void *payload);
int iwm_hal_send_host_cmd(struct iwm_priv *iwm,
struct iwm_udma_wifi_cmd *udma_cmd,
struct iwm_umac_cmd *umac_cmd,
struct iwm_lmac_cmd *lmac_cmd,
const void *payload, u16 payload_size);
int iwm_hal_send_umac_cmd(struct iwm_priv *iwm,
struct iwm_udma_wifi_cmd *udma_cmd,
struct iwm_umac_cmd *umac_cmd,
const void *payload, u16 payload_size);
u16 iwm_alloc_wifi_cmd_seq(struct iwm_priv *iwm);
void iwm_udma_wifi_hdr_set_eop(struct iwm_priv *iwm, u8 *buf, u8 eop);
void iwm_build_udma_wifi_hdr(struct iwm_priv *iwm,
struct iwm_udma_out_wifi_hdr *hdr,
struct iwm_udma_wifi_cmd *cmd);
void iwm_build_umac_hdr(struct iwm_priv *iwm,
struct iwm_umac_fw_cmd_hdr *hdr,
struct iwm_umac_cmd *cmd);
#endif /* _IWM_HAL_H_ */
