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