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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* NXP Wireless LAN device driver: SDIO specific definitions
*
* Copyright 2011-2020 NXP
*/
#ifndef _MWIFIEX_SDIO_H
#define _MWIFIEX_SDIO_H
#include <linux/completion.h>
#include <linux/mmc/sdio.h>
#include <linux/mmc/sdio_ids.h>
#include <linux/mmc/sdio_func.h>
#include <linux/mmc/card.h>
#include <linux/mmc/host.h>
#include "main.h"
#define SD8786_DEFAULT_FW_NAME "mrvl/sd8786_uapsta.bin"
#define SD8787_DEFAULT_FW_NAME "mrvl/sd8787_uapsta.bin"
#define SD8797_DEFAULT_FW_NAME "mrvl/sd8797_uapsta.bin"
#define SD8897_DEFAULT_FW_NAME "mrvl/sd8897_uapsta.bin"
#define SD8887_DEFAULT_FW_NAME "mrvl/sd8887_uapsta.bin"
#define SD8801_DEFAULT_FW_NAME "mrvl/sd8801_uapsta.bin"
#define SD8977_DEFAULT_FW_NAME "mrvl/sdsd8977_combo_v2.bin"
#define SD8978_SDIOUART_FW_NAME "mrvl/sdiouartiw416_combo_v0.bin"
#define SD8987_DEFAULT_FW_NAME "mrvl/sd8987_uapsta.bin"
#define SD8997_DEFAULT_FW_NAME "mrvl/sdsd8997_combo_v4.bin"
#define SD8997_SDIOUART_FW_NAME "mrvl/sdiouart8997_combo_v4.bin"
#define BLOCK_MODE 1
#define BYTE_MODE 0
#define MWIFIEX_SDIO_IO_PORT_MASK 0xfffff
#define MWIFIEX_SDIO_BYTE_MODE_MASK 0x80000000
#define MWIFIEX_MAX_FUNC2_REG_NUM 13
#define MWIFIEX_SDIO_SCRATCH_SIZE 10
#define SDIO_MPA_ADDR_BASE 0x1000
#define CTRL_PORT 0
#define CTRL_PORT_MASK 0x0001
#define CMD_PORT_UPLD_INT_MASK (0x1U<<6)
#define CMD_PORT_DNLD_INT_MASK (0x1U<<7)
#define HOST_TERM_CMD53 (0x1U << 2)
#define REG_PORT 0
#define MEM_PORT 0x10000
#define CMD53_NEW_MODE (0x1U << 0)
#define CMD_PORT_RD_LEN_EN (0x1U << 2)
#define CMD_PORT_AUTO_EN (0x1U << 0)
#define CMD_PORT_SLCT 0x8000
#define UP_LD_CMD_PORT_HOST_INT_STATUS (0x40U)
#define DN_LD_CMD_PORT_HOST_INT_STATUS (0x80U)
#define MWIFIEX_MP_AGGR_BUF_SIZE_16K (16384)
#define MWIFIEX_MP_AGGR_BUF_SIZE_32K (32768)
/* we leave one block of 256 bytes for DMA alignment*/
#define MWIFIEX_MP_AGGR_BUF_SIZE_MAX (65280)
/* Misc. Config Register : Auto Re-enable interrupts */
#define AUTO_RE_ENABLE_INT BIT(4)
/* Host Control Registers : Configuration */
#define CONFIGURATION_REG 0x00
/* Host Control Registers : Host power up */
#define HOST_POWER_UP (0x1U << 1)
/* 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)
/* 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 status */
#define CARD_INT_STATUS_REG 0x28
/* Card Control Registers : Card I/O ready */
#define CARD_IO_READY (0x1U << 3)
/* Card Control Registers : Download card ready */
#define DN_LD_CARD_RDY (0x1U << 0)
/* 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+ \
(a->max_ports - \
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)
/* 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 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)
/* 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;
u32 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;
u32 ports;
u16 start_port;
u32 *len_arr;
u8 enabled;
u32 buf_size;
u32 pkt_aggr_limit;
};
int mwifiex_bus_register(void);
void mwifiex_bus_unregister(void);
struct mwifiex_sdio_card_reg {
u8 start_rd_port;
u8 start_wr_port;
u8 base_0_reg;
u8 base_1_reg;
u8 poll_reg;
u8 host_int_enable;
u8 host_int_rsr_reg;
u8 host_int_status_reg;
u8 host_int_mask_reg;
u8 host_strap_reg;
u8 host_strap_mask;
u8 host_strap_value;
u8 status_reg_0;
u8 status_reg_1;
u8 sdio_int_mask;
u32 data_port_mask;
u8 io_port_0_reg;
u8 io_port_1_reg;
u8 io_port_2_reg;
u8 max_mp_regs;
u8 rd_bitmap_l;
u8 rd_bitmap_u;
u8 rd_bitmap_1l;
u8 rd_bitmap_1u;
u8 wr_bitmap_l;
u8 wr_bitmap_u;
u8 wr_bitmap_1l;
u8 wr_bitmap_1u;
u8 rd_len_p0_l;
u8 rd_len_p0_u;
u8 card_misc_cfg_reg;
u8 card_cfg_2_1_reg;
u8 cmd_rd_len_0;
u8 cmd_rd_len_1;
u8 cmd_rd_len_2;
u8 cmd_rd_len_3;
u8 cmd_cfg_0;
u8 cmd_cfg_1;
u8 cmd_cfg_2;
u8 cmd_cfg_3;
u8 fw_dump_host_ready;
u8 fw_dump_ctrl;
u8 fw_dump_start;
u8 fw_dump_end;
u8 func1_dump_reg_start;
u8 func1_dump_reg_end;
u8 func1_scratch_reg;
u8 func1_spec_reg_num;
u8 func1_spec_reg_table[MWIFIEX_MAX_FUNC2_REG_NUM];
};
struct sdio_mmc_card {
struct sdio_func *func;
struct mwifiex_adapter *adapter;
struct completion fw_done;
const char *firmware;
const char *firmware_sdiouart;
const struct mwifiex_sdio_card_reg *reg;
u8 max_ports;
u8 mp_agg_pkt_limit;
u16 tx_buf_size;
u32 mp_tx_agg_buf_size;
u32 mp_rx_agg_buf_size;
u32 mp_rd_bitmap;
u32 mp_wr_bitmap;
u16 mp_end_port;
u32 mp_data_port_mask;
u8 curr_rd_port;
u8 curr_wr_port;
u8 *mp_regs;
bool supports_sdio_new_mode;
bool has_control_mask;
bool can_dump_fw;
bool fw_dump_enh;
bool can_auto_tdls;
bool can_ext_scan;
bool fw_ready_extra_delay;
struct mwifiex_sdio_mpa_tx mpa_tx;
struct mwifiex_sdio_mpa_rx mpa_rx;
struct work_struct work;
unsigned long work_flags;
};
struct mwifiex_sdio_device {
const char *firmware;
const char *firmware_sdiouart;
const struct mwifiex_sdio_card_reg *reg;
u8 max_ports;
u8 mp_agg_pkt_limit;
u16 tx_buf_size;
u32 mp_tx_agg_buf_size;
u32 mp_rx_agg_buf_size;
bool supports_sdio_new_mode;
bool has_control_mask;
bool can_dump_fw;
bool fw_dump_enh;
bool can_auto_tdls;
bool can_ext_scan;
bool fw_ready_extra_delay;
};
/*
* .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;
}
static inline bool
mp_rx_aggr_port_limit_reached(struct sdio_mmc_card *card)
{
u8 tmp;
if (card->curr_rd_port < card->mpa_rx.start_port) {
if (card->supports_sdio_new_mode)
tmp = card->mp_end_port >> 1;
else
tmp = card->mp_agg_pkt_limit;
if (((card->max_ports - card->mpa_rx.start_port) +
card->curr_rd_port) >= tmp)
return true;
}
if (!card->supports_sdio_new_mode)
return false;
if ((card->curr_rd_port - card->mpa_rx.start_port) >=
(card->mp_end_port >> 1))
return true;
return false;
}
static inline bool
mp_tx_aggr_port_limit_reached(struct sdio_mmc_card *card)
{
u16 tmp;
if (card->curr_wr_port < card->mpa_tx.start_port) {
if (card->supports_sdio_new_mode)
tmp = card->mp_end_port >> 1;
else
tmp = card->mp_agg_pkt_limit;
if (((card->max_ports - card->mpa_tx.start_port) +
card->curr_wr_port) >= tmp)
return true;
}
if (!card->supports_sdio_new_mode)
return false;
if ((card->curr_wr_port - card->mpa_tx.start_port) >=
(card->mp_end_port >> 1))
return true;
return false;
}
/* Prepare to copy current packet from card to SDIO Rx aggregation buffer */
static inline void mp_rx_aggr_setup(struct sdio_mmc_card *card,
u16 rx_len, u8 port)
{
card->mpa_rx.buf_len += rx_len;
if (!card->mpa_rx.pkt_cnt)
card->mpa_rx.start_port = port;
if (card->supports_sdio_new_mode) {
card->mpa_rx.ports |= (1 << port);
} else {
if (card->mpa_rx.start_port <= port)
card->mpa_rx.ports |= 1 << (card->mpa_rx.pkt_cnt);
else
card->mpa_rx.ports |= 1 << (card->mpa_rx.pkt_cnt + 1);
}
card->mpa_rx.len_arr[card->mpa_rx.pkt_cnt] = rx_len;
card->mpa_rx.pkt_cnt++;
}
#endif /* _MWIFIEX_SDIO_H */
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