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/*
* 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 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 (4096) /* 4K */
/* Multi port RX aggregation buffer size */
#define SDIO_MP_RX_AGGR_DEF_BUF_SIZE (4096) /* 4K */
/* 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
/* Event header len w/o 4 bytes of interface header */
#define MWIFIEX_EVENT_HEADER_LEN 4
/* 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;
};
#endif /* _MWIFIEX_SDIO_H */
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