diff options
Diffstat (limited to 'drivers/net/wireless/iwmc3200wifi/hal.h')
| -rw-r--r-- | drivers/net/wireless/iwmc3200wifi/hal.h | 236 |
1 files changed, 236 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwmc3200wifi/hal.h b/drivers/net/wireless/iwmc3200wifi/hal.h new file mode 100644 index 000000000000..0adfdc85765d --- /dev/null +++ b/drivers/net/wireless/iwmc3200wifi/hal.h @@ -0,0 +1,236 @@ +/* + * 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_ */ |