/* * Marvell Wireless LAN device driver: SDIO specific definitions * * Copyright (C) 2011, Marvell International Ltd. * * This software file (the "File") is distributed by Marvell International * Ltd. under the terms of the GNU General Public License Version 2, June 1991 * (the "License"). You may use, redistribute and/or modify this File in * accordance with the terms and conditions of the License, a copy of which * is available by writing to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. * * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE * ARE EXPRESSLY DISCLAIMED. The License provides additional details about * this warranty disclaimer. */ #ifndef _MWIFIEX_SDIO_H #define _MWIFIEX_SDIO_H #include <linux/mmc/sdio.h> #include <linux/mmc/sdio_ids.h> #include <linux/mmc/sdio_func.h> #include <linux/mmc/card.h> #include "main.h" #define SD8787_DEFAULT_FW_NAME "mrvl/sd8787_uapsta.bin" #define SD8797_DEFAULT_FW_NAME "mrvl/sd8797_uapsta.bin" #define BLOCK_MODE 1 #define BYTE_MODE 0 #define REG_PORT 0 #define RD_BITMAP_L 0x04 #define RD_BITMAP_U 0x05 #define WR_BITMAP_L 0x06 #define WR_BITMAP_U 0x07 #define RD_LEN_P0_L 0x08 #define RD_LEN_P0_U 0x09 #define MWIFIEX_SDIO_IO_PORT_MASK 0xfffff #define MWIFIEX_SDIO_BYTE_MODE_MASK 0x80000000 #define CTRL_PORT 0 #define CTRL_PORT_MASK 0x0001 #define DATA_PORT_MASK 0xfffe #define MAX_MP_REGS 64 #define MAX_PORT 16 #define SDIO_MP_AGGR_DEF_PKT_LIMIT 8 #define SDIO_MP_TX_AGGR_DEF_BUF_SIZE (8192) /* 8K */ /* Multi port RX aggregation buffer size */ #define SDIO_MP_RX_AGGR_DEF_BUF_SIZE (16384) /* 16K */ /* Misc. Config Register : Auto Re-enable interrupts */ #define AUTO_RE_ENABLE_INT BIT(4) /* Host Control Registers */ /* Host Control Registers : I/O port 0 */ #define IO_PORT_0_REG 0x78 /* Host Control Registers : I/O port 1 */ #define IO_PORT_1_REG 0x79 /* Host Control Registers : I/O port 2 */ #define IO_PORT_2_REG 0x7A /* Host Control Registers : Configuration */ #define CONFIGURATION_REG 0x00 /* Host Control Registers : Host without Command 53 finish host*/ #define HOST_TO_CARD_EVENT (0x1U << 3) /* Host Control Registers : Host without Command 53 finish host */ #define HOST_WO_CMD53_FINISH_HOST (0x1U << 2) /* Host Control Registers : Host power up */ #define HOST_POWER_UP (0x1U << 1) /* Host Control Registers : Host power down */ #define HOST_POWER_DOWN (0x1U << 0) /* Host Control Registers : Host interrupt mask */ #define HOST_INT_MASK_REG 0x02 /* Host Control Registers : Upload host interrupt mask */ #define UP_LD_HOST_INT_MASK (0x1U) /* Host Control Registers : Download host interrupt mask */ #define DN_LD_HOST_INT_MASK (0x2U) /* Enable Host interrupt mask */ #define HOST_INT_ENABLE (UP_LD_HOST_INT_MASK | DN_LD_HOST_INT_MASK) /* Disable Host interrupt mask */ #define HOST_INT_DISABLE 0xff /* Host Control Registers : Host interrupt status */ #define HOST_INTSTATUS_REG 0x03 /* Host Control Registers : Upload host interrupt status */ #define UP_LD_HOST_INT_STATUS (0x1U) /* Host Control Registers : Download host interrupt status */ #define DN_LD_HOST_INT_STATUS (0x2U) /* Host Control Registers : Host interrupt RSR */ #define HOST_INT_RSR_REG 0x01 /* Host Control Registers : Upload host interrupt RSR */ #define UP_LD_HOST_INT_RSR (0x1U) #define SDIO_INT_MASK 0x3F /* Host Control Registers : Host interrupt status */ #define HOST_INT_STATUS_REG 0x28 /* Host Control Registers : Upload CRC error */ #define UP_LD_CRC_ERR (0x1U << 2) /* Host Control Registers : Upload restart */ #define UP_LD_RESTART (0x1U << 1) /* Host Control Registers : Download restart */ #define DN_LD_RESTART (0x1U << 0) /* Card Control Registers : Card status register */ #define CARD_STATUS_REG 0x30 /* Card Control Registers : Card I/O ready */ #define CARD_IO_READY (0x1U << 3) /* Card Control Registers : CIS card ready */ #define CIS_CARD_RDY (0x1U << 2) /* Card Control Registers : Upload card ready */ #define UP_LD_CARD_RDY (0x1U << 1) /* Card Control Registers : Download card ready */ #define DN_LD_CARD_RDY (0x1U << 0) /* Card Control Registers : Host interrupt mask register */ #define HOST_INTERRUPT_MASK_REG 0x34 /* Card Control Registers : Host power interrupt mask */ #define HOST_POWER_INT_MASK (0x1U << 3) /* Card Control Registers : Abort card interrupt mask */ #define ABORT_CARD_INT_MASK (0x1U << 2) /* Card Control Registers : Upload card interrupt mask */ #define UP_LD_CARD_INT_MASK (0x1U << 1) /* Card Control Registers : Download card interrupt mask */ #define DN_LD_CARD_INT_MASK (0x1U << 0) /* Card Control Registers : Card interrupt status register */ #define CARD_INTERRUPT_STATUS_REG 0x38 /* Card Control Registers : Power up interrupt */ #define POWER_UP_INT (0x1U << 4) /* Card Control Registers : Power down interrupt */ #define POWER_DOWN_INT (0x1U << 3) /* Card Control Registers : Card interrupt RSR register */ #define CARD_INTERRUPT_RSR_REG 0x3c /* Card Control Registers : Power up RSR */ #define POWER_UP_RSR (0x1U << 4) /* Card Control Registers : Power down RSR */ #define POWER_DOWN_RSR (0x1U << 3) /* Card Control Registers : Miscellaneous Configuration Register */ #define CARD_MISC_CFG_REG 0x6C /* Host F1 read base 0 */ #define HOST_F1_RD_BASE_0 0x0040 /* Host F1 read base 1 */ #define HOST_F1_RD_BASE_1 0x0041 /* Host F1 card ready */ #define HOST_F1_CARD_RDY 0x0020 /* Firmware status 0 register */ #define CARD_FW_STATUS0_REG 0x60 /* Firmware status 1 register */ #define CARD_FW_STATUS1_REG 0x61 /* Rx length register */ #define CARD_RX_LEN_REG 0x62 /* Rx unit register */ #define CARD_RX_UNIT_REG 0x63 /* Max retry number of CMD53 write */ #define MAX_WRITE_IOMEM_RETRY 2 /* SDIO Tx aggregation in progress ? */ #define MP_TX_AGGR_IN_PROGRESS(a) (a->mpa_tx.pkt_cnt > 0) /* SDIO Tx aggregation buffer room for next packet ? */ #define MP_TX_AGGR_BUF_HAS_ROOM(a, len) ((a->mpa_tx.buf_len+len) \ <= a->mpa_tx.buf_size) /* Copy current packet (SDIO Tx aggregation buffer) to SDIO buffer */ #define MP_TX_AGGR_BUF_PUT(a, payload, pkt_len, port) do { \ memmove(&a->mpa_tx.buf[a->mpa_tx.buf_len], \ payload, pkt_len); \ a->mpa_tx.buf_len += pkt_len; \ if (!a->mpa_tx.pkt_cnt) \ a->mpa_tx.start_port = port; \ if (a->mpa_tx.start_port <= port) \ a->mpa_tx.ports |= (1<<(a->mpa_tx.pkt_cnt)); \ else \ a->mpa_tx.ports |= (1<<(a->mpa_tx.pkt_cnt+1+(MAX_PORT - \ a->mp_end_port))); \ a->mpa_tx.pkt_cnt++; \ } while (0); /* SDIO Tx aggregation limit ? */ #define MP_TX_AGGR_PKT_LIMIT_REACHED(a) \ (a->mpa_tx.pkt_cnt == a->mpa_tx.pkt_aggr_limit) /* SDIO Tx aggregation port limit ? */ #define MP_TX_AGGR_PORT_LIMIT_REACHED(a) ((a->curr_wr_port < \ a->mpa_tx.start_port) && (((MAX_PORT - \ a->mpa_tx.start_port) + a->curr_wr_port) >= \ SDIO_MP_AGGR_DEF_PKT_LIMIT)) /* Reset SDIO Tx aggregation buffer parameters */ #define MP_TX_AGGR_BUF_RESET(a) do { \ a->mpa_tx.pkt_cnt = 0; \ a->mpa_tx.buf_len = 0; \ a->mpa_tx.ports = 0; \ a->mpa_tx.start_port = 0; \ } while (0); /* SDIO Rx aggregation limit ? */ #define MP_RX_AGGR_PKT_LIMIT_REACHED(a) \ (a->mpa_rx.pkt_cnt == a->mpa_rx.pkt_aggr_limit) /* SDIO Tx aggregation port limit ? */ #define MP_RX_AGGR_PORT_LIMIT_REACHED(a) ((a->curr_rd_port < \ a->mpa_rx.start_port) && (((MAX_PORT - \ a->mpa_rx.start_port) + a->curr_rd_port) >= \ SDIO_MP_AGGR_DEF_PKT_LIMIT)) /* SDIO Rx aggregation in progress ? */ #define MP_RX_AGGR_IN_PROGRESS(a) (a->mpa_rx.pkt_cnt > 0) /* SDIO Rx aggregation buffer room for next packet ? */ #define MP_RX_AGGR_BUF_HAS_ROOM(a, rx_len) \ ((a->mpa_rx.buf_len+rx_len) <= a->mpa_rx.buf_size) /* Prepare to copy current packet from card to SDIO Rx aggregation buffer */ #define MP_RX_AGGR_SETUP(a, skb, port) do { \ a->mpa_rx.buf_len += skb->len; \ if (!a->mpa_rx.pkt_cnt) \ a->mpa_rx.start_port = port; \ if (a->mpa_rx.start_port <= port) \ a->mpa_rx.ports |= (1<<(a->mpa_rx.pkt_cnt)); \ else \ a->mpa_rx.ports |= (1<<(a->mpa_rx.pkt_cnt+1)); \ a->mpa_rx.skb_arr[a->mpa_rx.pkt_cnt] = skb; \ a->mpa_rx.len_arr[a->mpa_rx.pkt_cnt] = skb->len; \ a->mpa_rx.pkt_cnt++; \ } while (0); /* Reset SDIO Rx aggregation buffer parameters */ #define MP_RX_AGGR_BUF_RESET(a) do { \ a->mpa_rx.pkt_cnt = 0; \ a->mpa_rx.buf_len = 0; \ a->mpa_rx.ports = 0; \ a->mpa_rx.start_port = 0; \ } while (0); /* data structure for SDIO MPA TX */ struct mwifiex_sdio_mpa_tx { /* multiport tx aggregation buffer pointer */ u8 *buf; u32 buf_len; u32 pkt_cnt; u16 ports; u16 start_port; u8 enabled; u32 buf_size; u32 pkt_aggr_limit; }; struct mwifiex_sdio_mpa_rx { u8 *buf; u32 buf_len; u32 pkt_cnt; u16 ports; u16 start_port; struct sk_buff *skb_arr[SDIO_MP_AGGR_DEF_PKT_LIMIT]; u32 len_arr[SDIO_MP_AGGR_DEF_PKT_LIMIT]; u8 enabled; u32 buf_size; u32 pkt_aggr_limit; }; int mwifiex_bus_register(void); void mwifiex_bus_unregister(void); struct sdio_mmc_card { struct sdio_func *func; struct mwifiex_adapter *adapter; u16 mp_rd_bitmap; u16 mp_wr_bitmap; u16 mp_end_port; u16 mp_data_port_mask; u8 curr_rd_port; u8 curr_wr_port; u8 *mp_regs; struct mwifiex_sdio_mpa_tx mpa_tx; struct mwifiex_sdio_mpa_rx mpa_rx; }; /* * .cmdrsp_complete handler */ static inline int mwifiex_sdio_cmdrsp_complete(struct mwifiex_adapter *adapter, struct sk_buff *skb) { dev_kfree_skb_any(skb); return 0; } /* * .event_complete handler */ static inline int mwifiex_sdio_event_complete(struct mwifiex_adapter *adapter, struct sk_buff *skb) { dev_kfree_skb_any(skb); return 0; } #endif /* _MWIFIEX_SDIO_H */