[deliverable/linux.git] / drivers / net / wireless / mwifiex / pcie.h

/* @file mwifiex_pcie.h
 *
 * @brief This file contains definitions for PCI-E interface.
 * driver.
 *
 * Copyright (C) 2011-2014, 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_PCIE_H
#define	_MWIFIEX_PCIE_H

#include    <linux/pci.h>
#include    <linux/pcieport_if.h>
#include    <linux/interrupt.h>

#include    "main.h"

#define PCIE8766_DEFAULT_FW_NAME "mrvl/pcie8766_uapsta.bin"
#define PCIE8897_DEFAULT_FW_NAME "mrvl/pcie8897_uapsta.bin"

#define PCIE_VENDOR_ID_MARVELL              (0x11ab)
#define PCIE_DEVICE_ID_MARVELL_88W8766P		(0x2b30)
#define PCIE_DEVICE_ID_MARVELL_88W8897		(0x2b38)

/* Constants for Buffer Descriptor (BD) rings */
#define MWIFIEX_MAX_TXRX_BD			0x20
#define MWIFIEX_TXBD_MASK			0x3F
#define MWIFIEX_RXBD_MASK			0x3F

#define MWIFIEX_MAX_EVT_BD			0x04
#define MWIFIEX_EVTBD_MASK			0x07

/* PCIE INTERNAL REGISTERS */
#define PCIE_SCRATCH_0_REG				0xC10
#define PCIE_SCRATCH_1_REG				0xC14
#define PCIE_CPU_INT_EVENT				0xC18
#define PCIE_CPU_INT_STATUS				0xC1C
#define PCIE_HOST_INT_STATUS				0xC30
#define PCIE_HOST_INT_MASK				0xC34
#define PCIE_HOST_INT_STATUS_MASK			0xC3C
#define PCIE_SCRATCH_2_REG				0xC40
#define PCIE_SCRATCH_3_REG				0xC44
#define PCIE_SCRATCH_4_REG				0xCD0
#define PCIE_SCRATCH_5_REG				0xCD4
#define PCIE_SCRATCH_6_REG				0xCD8
#define PCIE_SCRATCH_7_REG				0xCDC
#define PCIE_SCRATCH_8_REG				0xCE0
#define PCIE_SCRATCH_9_REG				0xCE4
#define PCIE_SCRATCH_10_REG				0xCE8
#define PCIE_SCRATCH_11_REG				0xCEC
#define PCIE_SCRATCH_12_REG				0xCF0
#define PCIE_RD_DATA_PTR_Q0_Q1                          0xC08C
#define PCIE_WR_DATA_PTR_Q0_Q1                          0xC05C

#define CPU_INTR_DNLD_RDY				BIT(0)
#define CPU_INTR_DOOR_BELL				BIT(1)
#define CPU_INTR_SLEEP_CFM_DONE			BIT(2)
#define CPU_INTR_RESET					BIT(3)

#define HOST_INTR_DNLD_DONE				BIT(0)
#define HOST_INTR_UPLD_RDY				BIT(1)
#define HOST_INTR_CMD_DONE				BIT(2)
#define HOST_INTR_EVENT_RDY				BIT(3)
#define HOST_INTR_MASK					(HOST_INTR_DNLD_DONE | \
							 HOST_INTR_UPLD_RDY  | \
							 HOST_INTR_CMD_DONE  | \
							 HOST_INTR_EVENT_RDY)

#define MWIFIEX_BD_FLAG_ROLLOVER_IND			BIT(7)
#define MWIFIEX_BD_FLAG_FIRST_DESC			BIT(0)
#define MWIFIEX_BD_FLAG_LAST_DESC			BIT(1)
#define MWIFIEX_BD_FLAG_SOP				BIT(0)
#define MWIFIEX_BD_FLAG_EOP				BIT(1)
#define MWIFIEX_BD_FLAG_XS_SOP				BIT(2)
#define MWIFIEX_BD_FLAG_XS_EOP				BIT(3)
#define MWIFIEX_BD_FLAG_EVT_ROLLOVER_IND		BIT(7)
#define MWIFIEX_BD_FLAG_RX_ROLLOVER_IND			BIT(10)
#define MWIFIEX_BD_FLAG_TX_START_PTR			BIT(16)
#define MWIFIEX_BD_FLAG_TX_ROLLOVER_IND			BIT(26)

/* Max retry number of command write */
#define MAX_WRITE_IOMEM_RETRY				2
/* Define PCIE block size for firmware download */
#define MWIFIEX_PCIE_BLOCK_SIZE_FW_DNLD		256
/* FW awake cookie after FW ready */
#define FW_AWAKE_COOKIE						(0xAA55AA55)
#define MWIFIEX_DEF_SLEEP_COOKIE			0xBEEFBEEF
#define MWIFIEX_MAX_DELAY_COUNT				5

struct mwifiex_pcie_card_reg {
	u16 cmd_addr_lo;
	u16 cmd_addr_hi;
	u16 fw_status;
	u16 cmd_size;
	u16 cmdrsp_addr_lo;
	u16 cmdrsp_addr_hi;
	u16 tx_rdptr;
	u16 tx_wrptr;
	u16 rx_rdptr;
	u16 rx_wrptr;
	u16 evt_rdptr;
	u16 evt_wrptr;
	u16 drv_rdy;
	u16 tx_start_ptr;
	u32 tx_mask;
	u32 tx_wrap_mask;
	u32 rx_mask;
	u32 rx_wrap_mask;
	u32 tx_rollover_ind;
	u32 rx_rollover_ind;
	u32 evt_rollover_ind;
	u8 ring_flag_sop;
	u8 ring_flag_eop;
	u8 ring_flag_xs_sop;
	u8 ring_flag_xs_eop;
	u32 ring_tx_start_ptr;
	u8 pfu_enabled;
	u8 sleep_cookie;
	u16 fw_dump_ctrl;
	u16 fw_dump_start;
	u16 fw_dump_end;
};

static const struct mwifiex_pcie_card_reg mwifiex_reg_8766 = {
	.cmd_addr_lo = PCIE_SCRATCH_0_REG,
	.cmd_addr_hi = PCIE_SCRATCH_1_REG,
	.cmd_size = PCIE_SCRATCH_2_REG,
	.fw_status = PCIE_SCRATCH_3_REG,
	.cmdrsp_addr_lo = PCIE_SCRATCH_4_REG,
	.cmdrsp_addr_hi = PCIE_SCRATCH_5_REG,
	.tx_rdptr = PCIE_SCRATCH_6_REG,
	.tx_wrptr = PCIE_SCRATCH_7_REG,
	.rx_rdptr = PCIE_SCRATCH_8_REG,
	.rx_wrptr = PCIE_SCRATCH_9_REG,
	.evt_rdptr = PCIE_SCRATCH_10_REG,
	.evt_wrptr = PCIE_SCRATCH_11_REG,
	.drv_rdy = PCIE_SCRATCH_12_REG,
	.tx_start_ptr = 0,
	.tx_mask = MWIFIEX_TXBD_MASK,
	.tx_wrap_mask = 0,
	.rx_mask = MWIFIEX_RXBD_MASK,
	.rx_wrap_mask = 0,
	.tx_rollover_ind = MWIFIEX_BD_FLAG_ROLLOVER_IND,
	.rx_rollover_ind = MWIFIEX_BD_FLAG_ROLLOVER_IND,
	.evt_rollover_ind = MWIFIEX_BD_FLAG_ROLLOVER_IND,
	.ring_flag_sop = 0,
	.ring_flag_eop = 0,
	.ring_flag_xs_sop = 0,
	.ring_flag_xs_eop = 0,
	.ring_tx_start_ptr = 0,
	.pfu_enabled = 0,
	.sleep_cookie = 1,
};

static const struct mwifiex_pcie_card_reg mwifiex_reg_8897 = {
	.cmd_addr_lo = PCIE_SCRATCH_0_REG,
	.cmd_addr_hi = PCIE_SCRATCH_1_REG,
	.cmd_size = PCIE_SCRATCH_2_REG,
	.fw_status = PCIE_SCRATCH_3_REG,
	.cmdrsp_addr_lo = PCIE_SCRATCH_4_REG,
	.cmdrsp_addr_hi = PCIE_SCRATCH_5_REG,
	.tx_rdptr = PCIE_RD_DATA_PTR_Q0_Q1,
	.tx_wrptr = PCIE_WR_DATA_PTR_Q0_Q1,
	.rx_rdptr = PCIE_WR_DATA_PTR_Q0_Q1,
	.rx_wrptr = PCIE_RD_DATA_PTR_Q0_Q1,
	.evt_rdptr = PCIE_SCRATCH_10_REG,
	.evt_wrptr = PCIE_SCRATCH_11_REG,
	.drv_rdy = PCIE_SCRATCH_12_REG,
	.tx_start_ptr = 16,
	.tx_mask = 0x03FF0000,
	.tx_wrap_mask = 0x07FF0000,
	.rx_mask = 0x000003FF,
	.rx_wrap_mask = 0x000007FF,
	.tx_rollover_ind = MWIFIEX_BD_FLAG_TX_ROLLOVER_IND,
	.rx_rollover_ind = MWIFIEX_BD_FLAG_RX_ROLLOVER_IND,
	.evt_rollover_ind = MWIFIEX_BD_FLAG_EVT_ROLLOVER_IND,
	.ring_flag_sop = MWIFIEX_BD_FLAG_SOP,
	.ring_flag_eop = MWIFIEX_BD_FLAG_EOP,
	.ring_flag_xs_sop = MWIFIEX_BD_FLAG_XS_SOP,
	.ring_flag_xs_eop = MWIFIEX_BD_FLAG_XS_EOP,
	.ring_tx_start_ptr = MWIFIEX_BD_FLAG_TX_START_PTR,
	.pfu_enabled = 1,
	.sleep_cookie = 0,
	.fw_dump_ctrl = 0xcf4,
	.fw_dump_start = 0xcf8,
	.fw_dump_end = 0xcff
};

struct mwifiex_pcie_device {
	const char *firmware;
	const struct mwifiex_pcie_card_reg *reg;
	u16 blksz_fw_dl;
	u16 tx_buf_size;
	bool supports_fw_dump;
};

static const struct mwifiex_pcie_device mwifiex_pcie8766 = {
	.firmware       = PCIE8766_DEFAULT_FW_NAME,
	.reg            = &mwifiex_reg_8766,
	.blksz_fw_dl = MWIFIEX_PCIE_BLOCK_SIZE_FW_DNLD,
	.tx_buf_size = MWIFIEX_TX_DATA_BUF_SIZE_2K,
	.supports_fw_dump = false,
};

static const struct mwifiex_pcie_device mwifiex_pcie8897 = {
	.firmware       = PCIE8897_DEFAULT_FW_NAME,
	.reg            = &mwifiex_reg_8897,
	.blksz_fw_dl = MWIFIEX_PCIE_BLOCK_SIZE_FW_DNLD,
	.tx_buf_size = MWIFIEX_TX_DATA_BUF_SIZE_4K,
	.supports_fw_dump = true,
};

struct mwifiex_evt_buf_desc {
	u64 paddr;
	u16 len;
	u16 flags;
} __packed;

struct mwifiex_pcie_buf_desc {
	u64 paddr;
	u16 len;
	u16 flags;
} __packed;

struct mwifiex_pfu_buf_desc {
	u16 flags;
	u16 offset;
	u16 frag_len;
	u16 len;
	u64 paddr;
	u32 reserved;
} __packed;

struct pcie_service_card {
	struct pci_dev *dev;
	struct mwifiex_adapter *adapter;
	struct mwifiex_pcie_device pcie;

	u8 txbd_flush;
	u32 txbd_wrptr;
	u32 txbd_rdptr;
	u32 txbd_ring_size;
	u8 *txbd_ring_vbase;
	dma_addr_t txbd_ring_pbase;
	void *txbd_ring[MWIFIEX_MAX_TXRX_BD];
	struct sk_buff *tx_buf_list[MWIFIEX_MAX_TXRX_BD];

	u32 rxbd_wrptr;
	u32 rxbd_rdptr;
	u32 rxbd_ring_size;
	u8 *rxbd_ring_vbase;
	dma_addr_t rxbd_ring_pbase;
	void *rxbd_ring[MWIFIEX_MAX_TXRX_BD];
	struct sk_buff *rx_buf_list[MWIFIEX_MAX_TXRX_BD];

	u32 evtbd_wrptr;
	u32 evtbd_rdptr;
	u32 evtbd_ring_size;
	u8 *evtbd_ring_vbase;
	dma_addr_t evtbd_ring_pbase;
	void *evtbd_ring[MWIFIEX_MAX_EVT_BD];
	struct sk_buff *evt_buf_list[MWIFIEX_MAX_EVT_BD];

	struct sk_buff *cmd_buf;
	struct sk_buff *cmdrsp_buf;
	u8 *sleep_cookie_vbase;
	dma_addr_t sleep_cookie_pbase;
	void __iomem *pci_mmap;
	void __iomem *pci_mmap1;
};

static inline int
mwifiex_pcie_txbd_empty(struct pcie_service_card *card, u32 rdptr)
{
	const struct mwifiex_pcie_card_reg *reg = card->pcie.reg;

	switch (card->dev->device) {
	case PCIE_DEVICE_ID_MARVELL_88W8766P:
		if (((card->txbd_wrptr & reg->tx_mask) ==
		     (rdptr & reg->tx_mask)) &&
		    ((card->txbd_wrptr & reg->tx_rollover_ind) !=
		     (rdptr & reg->tx_rollover_ind)))
			return 1;
		break;
	case PCIE_DEVICE_ID_MARVELL_88W8897:
		if (((card->txbd_wrptr & reg->tx_mask) ==
		     (rdptr & reg->tx_mask)) &&
		    ((card->txbd_wrptr & reg->tx_rollover_ind) ==
			(rdptr & reg->tx_rollover_ind)))
			return 1;
		break;
	}

	return 0;
}

static inline int
mwifiex_pcie_txbd_not_full(struct pcie_service_card *card)
{
	const struct mwifiex_pcie_card_reg *reg = card->pcie.reg;

	switch (card->dev->device) {
	case PCIE_DEVICE_ID_MARVELL_88W8766P:
		if (((card->txbd_wrptr & reg->tx_mask) !=
		     (card->txbd_rdptr & reg->tx_mask)) ||
		    ((card->txbd_wrptr & reg->tx_rollover_ind) !=
		     (card->txbd_rdptr & reg->tx_rollover_ind)))
			return 1;
		break;
	case PCIE_DEVICE_ID_MARVELL_88W8897:
		if (((card->txbd_wrptr & reg->tx_mask) !=
		     (card->txbd_rdptr & reg->tx_mask)) ||
		    ((card->txbd_wrptr & reg->tx_rollover_ind) ==
		     (card->txbd_rdptr & reg->tx_rollover_ind)))
			return 1;
		break;
	}

	return 0;
}

#endif /* _MWIFIEX_PCIE_H */
Commit	Line	Data
d930faee AK	1	/* @file mwifiex_pcie.h
	2	*
	3	* @brief This file contains definitions for PCI-E interface.
	4	* driver.
	5	*
65da33f5	6	* Copyright (C) 2011-2014, Marvell International Ltd.
d930faee AK	7	*
	8	* This software file (the "File") is distributed by Marvell International
	9	* Ltd. under the terms of the GNU General Public License Version 2, June 1991
	10	* (the "License"). You may use, redistribute and/or modify this File in
	11	* accordance with the terms and conditions of the License, a copy of which
	12	* is available by writing to the Free Software Foundation, Inc.,
	13	* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
	14	* worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
	15	*
	16	* THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
	17	* IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
	18	* ARE EXPRESSLY DISCLAIMED. The License provides additional details about
	19	* this warranty disclaimer.
	20	*/
	21
	22	#ifndef _MWIFIEX_PCIE_H
	23	#define _MWIFIEX_PCIE_H
	24
	25	#include <linux/pci.h>
	26	#include <linux/pcieport_if.h>
	27	#include <linux/interrupt.h>
	28
	29	#include "main.h"
	30
	31	#define PCIE8766_DEFAULT_FW_NAME "mrvl/pcie8766_uapsta.bin"
ca8f2112 AP	32	#define PCIE8897_DEFAULT_FW_NAME "mrvl/pcie8897_uapsta.bin"
	33
	34	#define PCIE_VENDOR_ID_MARVELL (0x11ab)
	35	#define PCIE_DEVICE_ID_MARVELL_88W8766P (0x2b30)
	36	#define PCIE_DEVICE_ID_MARVELL_88W8897 (0x2b38)
d930faee AK	37
	38	/* Constants for Buffer Descriptor (BD) rings */
	39	#define MWIFIEX_MAX_TXRX_BD 0x20
	40	#define MWIFIEX_TXBD_MASK 0x3F
	41	#define MWIFIEX_RXBD_MASK 0x3F
	42
	43	#define MWIFIEX_MAX_EVT_BD 0x04
	44	#define MWIFIEX_EVTBD_MASK 0x07
	45
	46	/* PCIE INTERNAL REGISTERS */
	47	#define PCIE_SCRATCH_0_REG 0xC10
	48	#define PCIE_SCRATCH_1_REG 0xC14
	49	#define PCIE_CPU_INT_EVENT 0xC18
	50	#define PCIE_CPU_INT_STATUS 0xC1C
	51	#define PCIE_HOST_INT_STATUS 0xC30
	52	#define PCIE_HOST_INT_MASK 0xC34
	53	#define PCIE_HOST_INT_STATUS_MASK 0xC3C
	54	#define PCIE_SCRATCH_2_REG 0xC40
	55	#define PCIE_SCRATCH_3_REG 0xC44
428ca8a7 BZ	56	#define PCIE_SCRATCH_4_REG 0xCD0
	57	#define PCIE_SCRATCH_5_REG 0xCD4
	58	#define PCIE_SCRATCH_6_REG 0xCD8
	59	#define PCIE_SCRATCH_7_REG 0xCDC
	60	#define PCIE_SCRATCH_8_REG 0xCE0
	61	#define PCIE_SCRATCH_9_REG 0xCE4
	62	#define PCIE_SCRATCH_10_REG 0xCE8
	63	#define PCIE_SCRATCH_11_REG 0xCEC
	64	#define PCIE_SCRATCH_12_REG 0xCF0
ca8f2112 AP	65	#define PCIE_RD_DATA_PTR_Q0_Q1 0xC08C
ca8f2112 AP	66	#define PCIE_WR_DATA_PTR_Q0_Q1 0xC05C
d930faee AK	67
	68	#define CPU_INTR_DNLD_RDY BIT(0)
	69	#define CPU_INTR_DOOR_BELL BIT(1)
	70	#define CPU_INTR_SLEEP_CFM_DONE BIT(2)
	71	#define CPU_INTR_RESET BIT(3)
	72
	73	#define HOST_INTR_DNLD_DONE BIT(0)
	74	#define HOST_INTR_UPLD_RDY BIT(1)
	75	#define HOST_INTR_CMD_DONE BIT(2)
	76	#define HOST_INTR_EVENT_RDY BIT(3)
	77	#define HOST_INTR_MASK (HOST_INTR_DNLD_DONE \| \
	78	HOST_INTR_UPLD_RDY \| \
	79	HOST_INTR_CMD_DONE \| \
	80	HOST_INTR_EVENT_RDY)
	81
	82	#define MWIFIEX_BD_FLAG_ROLLOVER_IND BIT(7)
	83	#define MWIFIEX_BD_FLAG_FIRST_DESC BIT(0)
	84	#define MWIFIEX_BD_FLAG_LAST_DESC BIT(1)
ca8f2112 AP	85	#define MWIFIEX_BD_FLAG_SOP BIT(0)
	86	#define MWIFIEX_BD_FLAG_EOP BIT(1)
	87	#define MWIFIEX_BD_FLAG_XS_SOP BIT(2)
	88	#define MWIFIEX_BD_FLAG_XS_EOP BIT(3)
	89	#define MWIFIEX_BD_FLAG_EVT_ROLLOVER_IND BIT(7)
	90	#define MWIFIEX_BD_FLAG_RX_ROLLOVER_IND BIT(10)
	91	#define MWIFIEX_BD_FLAG_TX_START_PTR BIT(16)
	92	#define MWIFIEX_BD_FLAG_TX_ROLLOVER_IND BIT(26)
d930faee AK	93
	94	/* Max retry number of command write */
	95	#define MAX_WRITE_IOMEM_RETRY 2
	96	/* Define PCIE block size for firmware download */
	97	#define MWIFIEX_PCIE_BLOCK_SIZE_FW_DNLD 256
	98	/* FW awake cookie after FW ready */
	99	#define FW_AWAKE_COOKIE (0xAA55AA55)
c4bc980f AP	100	#define MWIFIEX_DEF_SLEEP_COOKIE 0xBEEFBEEF
c4bc980f AP	101	#define MWIFIEX_MAX_DELAY_COUNT 5
d930faee	102
dd04e6ac AP	103	struct mwifiex_pcie_card_reg {
	104	u16 cmd_addr_lo;
	105	u16 cmd_addr_hi;
	106	u16 fw_status;
	107	u16 cmd_size;
	108	u16 cmdrsp_addr_lo;
	109	u16 cmdrsp_addr_hi;
	110	u16 tx_rdptr;
	111	u16 tx_wrptr;
	112	u16 rx_rdptr;
	113	u16 rx_wrptr;
	114	u16 evt_rdptr;
	115	u16 evt_wrptr;
	116	u16 drv_rdy;
	117	u16 tx_start_ptr;
	118	u32 tx_mask;
	119	u32 tx_wrap_mask;
	120	u32 rx_mask;
	121	u32 rx_wrap_mask;
	122	u32 tx_rollover_ind;
	123	u32 rx_rollover_ind;
	124	u32 evt_rollover_ind;
	125	u8 ring_flag_sop;
	126	u8 ring_flag_eop;
	127	u8 ring_flag_xs_sop;
	128	u8 ring_flag_xs_eop;
	129	u32 ring_tx_start_ptr;
	130	u8 pfu_enabled;
52301a81	131	u8 sleep_cookie;
92c2538f AK	132	u16 fw_dump_ctrl;
	133	u16 fw_dump_start;
	134	u16 fw_dump_end;
dd04e6ac AP	135	};
	136
	137	static const struct mwifiex_pcie_card_reg mwifiex_reg_8766 = {
	138	.cmd_addr_lo = PCIE_SCRATCH_0_REG,
	139	.cmd_addr_hi = PCIE_SCRATCH_1_REG,
	140	.cmd_size = PCIE_SCRATCH_2_REG,
	141	.fw_status = PCIE_SCRATCH_3_REG,
	142	.cmdrsp_addr_lo = PCIE_SCRATCH_4_REG,
	143	.cmdrsp_addr_hi = PCIE_SCRATCH_5_REG,
	144	.tx_rdptr = PCIE_SCRATCH_6_REG,
	145	.tx_wrptr = PCIE_SCRATCH_7_REG,
	146	.rx_rdptr = PCIE_SCRATCH_8_REG,
	147	.rx_wrptr = PCIE_SCRATCH_9_REG,
	148	.evt_rdptr = PCIE_SCRATCH_10_REG,
	149	.evt_wrptr = PCIE_SCRATCH_11_REG,
	150	.drv_rdy = PCIE_SCRATCH_12_REG,
	151	.tx_start_ptr = 0,
	152	.tx_mask = MWIFIEX_TXBD_MASK,
	153	.tx_wrap_mask = 0,
	154	.rx_mask = MWIFIEX_RXBD_MASK,
	155	.rx_wrap_mask = 0,
	156	.tx_rollover_ind = MWIFIEX_BD_FLAG_ROLLOVER_IND,
	157	.rx_rollover_ind = MWIFIEX_BD_FLAG_ROLLOVER_IND,
	158	.evt_rollover_ind = MWIFIEX_BD_FLAG_ROLLOVER_IND,
	159	.ring_flag_sop = 0,
	160	.ring_flag_eop = 0,
	161	.ring_flag_xs_sop = 0,
	162	.ring_flag_xs_eop = 0,
	163	.ring_tx_start_ptr = 0,
	164	.pfu_enabled = 0,
52301a81	165	.sleep_cookie = 1,
dd04e6ac AP	166	};
dd04e6ac AP	167
ca8f2112 AP	168	static const struct mwifiex_pcie_card_reg mwifiex_reg_8897 = {
	169	.cmd_addr_lo = PCIE_SCRATCH_0_REG,
	170	.cmd_addr_hi = PCIE_SCRATCH_1_REG,
	171	.cmd_size = PCIE_SCRATCH_2_REG,
	172	.fw_status = PCIE_SCRATCH_3_REG,
	173	.cmdrsp_addr_lo = PCIE_SCRATCH_4_REG,
	174	.cmdrsp_addr_hi = PCIE_SCRATCH_5_REG,
	175	.tx_rdptr = PCIE_RD_DATA_PTR_Q0_Q1,
	176	.tx_wrptr = PCIE_WR_DATA_PTR_Q0_Q1,
	177	.rx_rdptr = PCIE_WR_DATA_PTR_Q0_Q1,
	178	.rx_wrptr = PCIE_RD_DATA_PTR_Q0_Q1,
	179	.evt_rdptr = PCIE_SCRATCH_10_REG,
	180	.evt_wrptr = PCIE_SCRATCH_11_REG,
	181	.drv_rdy = PCIE_SCRATCH_12_REG,
	182	.tx_start_ptr = 16,
	183	.tx_mask = 0x03FF0000,
	184	.tx_wrap_mask = 0x07FF0000,
	185	.rx_mask = 0x000003FF,
	186	.rx_wrap_mask = 0x000007FF,
	187	.tx_rollover_ind = MWIFIEX_BD_FLAG_TX_ROLLOVER_IND,
	188	.rx_rollover_ind = MWIFIEX_BD_FLAG_RX_ROLLOVER_IND,
	189	.evt_rollover_ind = MWIFIEX_BD_FLAG_EVT_ROLLOVER_IND,
	190	.ring_flag_sop = MWIFIEX_BD_FLAG_SOP,
	191	.ring_flag_eop = MWIFIEX_BD_FLAG_EOP,
	192	.ring_flag_xs_sop = MWIFIEX_BD_FLAG_XS_SOP,
	193	.ring_flag_xs_eop = MWIFIEX_BD_FLAG_XS_EOP,
	194	.ring_tx_start_ptr = MWIFIEX_BD_FLAG_TX_START_PTR,
	195	.pfu_enabled = 1,
52301a81	196	.sleep_cookie = 0,
92c2538f AK	197	.fw_dump_ctrl = 0xcf4,
	198	.fw_dump_start = 0xcf8,
	199	.fw_dump_end = 0xcff
ca8f2112 AP	200	};
ca8f2112 AP	201
dd04e6ac AP	202	struct mwifiex_pcie_device {
	203	const char *firmware;
	204	const struct mwifiex_pcie_card_reg *reg;
	205	u16 blksz_fw_dl;
828cf222	206	u16 tx_buf_size;
92c2538f	207	bool supports_fw_dump;
dd04e6ac AP	208	};
	209
	210	static const struct mwifiex_pcie_device mwifiex_pcie8766 = {
	211	.firmware = PCIE8766_DEFAULT_FW_NAME,
	212	.reg = &mwifiex_reg_8766,
	213	.blksz_fw_dl = MWIFIEX_PCIE_BLOCK_SIZE_FW_DNLD,
828cf222	214	.tx_buf_size = MWIFIEX_TX_DATA_BUF_SIZE_2K,
92c2538f	215	.supports_fw_dump = false,
dd04e6ac AP	216	};
dd04e6ac AP	217
ca8f2112 AP	218	static const struct mwifiex_pcie_device mwifiex_pcie8897 = {
	219	.firmware = PCIE8897_DEFAULT_FW_NAME,
	220	.reg = &mwifiex_reg_8897,
	221	.blksz_fw_dl = MWIFIEX_PCIE_BLOCK_SIZE_FW_DNLD,
828cf222	222	.tx_buf_size = MWIFIEX_TX_DATA_BUF_SIZE_4K,
92c2538f	223	.supports_fw_dump = true,
ca8f2112 AP	224	};
ca8f2112 AP	225
e05dc3e9 AP	226	struct mwifiex_evt_buf_desc {
	227	u64 paddr;
	228	u16 len;
	229	u16 flags;
	230	} __packed;
	231
d930faee AK	232	struct mwifiex_pcie_buf_desc {
	233	u64 paddr;
	234	u16 len;
	235	u16 flags;
	236	} __packed;
	237
ca8f2112 AP	238	struct mwifiex_pfu_buf_desc {
	239	u16 flags;
	240	u16 offset;
	241	u16 frag_len;
	242	u16 len;
	243	u64 paddr;
	244	u32 reserved;
	245	} __packed;
	246
d930faee AK	247	struct pcie_service_card {
	248	struct pci_dev *dev;
	249	struct mwifiex_adapter *adapter;
dd04e6ac	250	struct mwifiex_pcie_device pcie;
d930faee	251
fbd7e7ac	252	u8 txbd_flush;
d930faee AK	253	u32 txbd_wrptr;
	254	u32 txbd_rdptr;
	255	u32 txbd_ring_size;
	256	u8 *txbd_ring_vbase;
fc331460	257	dma_addr_t txbd_ring_pbase;
e05dc3e9	258	void *txbd_ring[MWIFIEX_MAX_TXRX_BD];
d930faee AK	259	struct sk_buff *tx_buf_list[MWIFIEX_MAX_TXRX_BD];
	260
	261	u32 rxbd_wrptr;
	262	u32 rxbd_rdptr;
	263	u32 rxbd_ring_size;
	264	u8 *rxbd_ring_vbase;
fc331460	265	dma_addr_t rxbd_ring_pbase;
e05dc3e9	266	void *rxbd_ring[MWIFIEX_MAX_TXRX_BD];
d930faee AK	267	struct sk_buff *rx_buf_list[MWIFIEX_MAX_TXRX_BD];
	268
	269	u32 evtbd_wrptr;
	270	u32 evtbd_rdptr;
	271	u32 evtbd_ring_size;
	272	u8 *evtbd_ring_vbase;
fc331460	273	dma_addr_t evtbd_ring_pbase;
e05dc3e9	274	void *evtbd_ring[MWIFIEX_MAX_EVT_BD];
d930faee AK	275	struct sk_buff *evt_buf_list[MWIFIEX_MAX_EVT_BD];
	276
	277	struct sk_buff *cmd_buf;
	278	struct sk_buff *cmdrsp_buf;
fc331460 AP	279	u8 *sleep_cookie_vbase;
fc331460 AP	280	dma_addr_t sleep_cookie_pbase;
d930faee AK	281	void __iomem *pci_mmap;
	282	void __iomem *pci_mmap1;
	283	};
	284
fbd7e7ac AP	285	static inline int
	286	mwifiex_pcie_txbd_empty(struct pcie_service_card *card, u32 rdptr)
	287	{
dd04e6ac AP	288	const struct mwifiex_pcie_card_reg *reg = card->pcie.reg;
dd04e6ac AP	289
ca8f2112 AP	290	switch (card->dev->device) {
	291	case PCIE_DEVICE_ID_MARVELL_88W8766P:
	292	if (((card->txbd_wrptr & reg->tx_mask) ==
	293	(rdptr & reg->tx_mask)) &&
	294	((card->txbd_wrptr & reg->tx_rollover_ind) !=
	295	(rdptr & reg->tx_rollover_ind)))
	296	return 1;
	297	break;
	298	case PCIE_DEVICE_ID_MARVELL_88W8897:
	299	if (((card->txbd_wrptr & reg->tx_mask) ==
	300	(rdptr & reg->tx_mask)) &&
	301	((card->txbd_wrptr & reg->tx_rollover_ind) ==
dd04e6ac	302	(rdptr & reg->tx_rollover_ind)))
ca8f2112 AP	303	return 1;
	304	break;
	305	}
fbd7e7ac AP	306
	307	return 0;
	308	}
	309
e7f767a7 AP	310	static inline int
	311	mwifiex_pcie_txbd_not_full(struct pcie_service_card *card)
	312	{
dd04e6ac AP	313	const struct mwifiex_pcie_card_reg *reg = card->pcie.reg;
dd04e6ac AP	314
ca8f2112 AP	315	switch (card->dev->device) {
	316	case PCIE_DEVICE_ID_MARVELL_88W8766P:
	317	if (((card->txbd_wrptr & reg->tx_mask) !=
	318	(card->txbd_rdptr & reg->tx_mask)) \|\|
	319	((card->txbd_wrptr & reg->tx_rollover_ind) !=
	320	(card->txbd_rdptr & reg->tx_rollover_ind)))
	321	return 1;
	322	break;
	323	case PCIE_DEVICE_ID_MARVELL_88W8897:
	324	if (((card->txbd_wrptr & reg->tx_mask) !=
	325	(card->txbd_rdptr & reg->tx_mask)) \|\|
	326	((card->txbd_wrptr & reg->tx_rollover_ind) ==
	327	(card->txbd_rdptr & reg->tx_rollover_ind)))
	328	return 1;
	329	break;
	330	}
e7f767a7 AP	331
	332	return 0;
	333	}
92c2538f	334
d930faee	335	#endif /* _MWIFIEX_PCIE_H */