diff options
Diffstat (limited to 'drivers/net/wireless/mwifiex/pcie.h')
| -rw-r--r-- | drivers/net/wireless/mwifiex/pcie.h | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/drivers/net/wireless/mwifiex/pcie.h b/drivers/net/wireless/mwifiex/pcie.h new file mode 100644 index 000000000000..445ff21772e2 --- /dev/null +++ b/drivers/net/wireless/mwifiex/pcie.h @@ -0,0 +1,148 @@ +/* @file mwifiex_pcie.h + * + * @brief This file contains definitions for PCI-E interface. + * driver. + * + * 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_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" + +/* 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 0xCC0 +#define PCIE_SCRATCH_5_REG 0xCC4 +#define PCIE_SCRATCH_6_REG 0xCC8 +#define PCIE_SCRATCH_7_REG 0xCCC +#define PCIE_SCRATCH_8_REG 0xCD0 +#define PCIE_SCRATCH_9_REG 0xCD4 +#define PCIE_SCRATCH_10_REG 0xCD8 +#define PCIE_SCRATCH_11_REG 0xCDC +#define PCIE_SCRATCH_12_REG 0xCE0 + +#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 REG_CMD_ADDR_LO PCIE_SCRATCH_0_REG +#define REG_CMD_ADDR_HI PCIE_SCRATCH_1_REG +#define REG_CMD_SIZE PCIE_SCRATCH_2_REG + +#define REG_CMDRSP_ADDR_LO PCIE_SCRATCH_4_REG +#define REG_CMDRSP_ADDR_HI PCIE_SCRATCH_5_REG + +/* TX buffer description read pointer */ +#define REG_TXBD_RDPTR PCIE_SCRATCH_6_REG +/* TX buffer description write pointer */ +#define REG_TXBD_WRPTR PCIE_SCRATCH_7_REG +/* RX buffer description read pointer */ +#define REG_RXBD_RDPTR PCIE_SCRATCH_8_REG +/* RX buffer description write pointer */ +#define REG_RXBD_WRPTR PCIE_SCRATCH_9_REG +/* Event buffer description read pointer */ +#define REG_EVTBD_RDPTR PCIE_SCRATCH_10_REG +/* Event buffer description write pointer */ +#define REG_EVTBD_WRPTR PCIE_SCRATCH_11_REG +/* Driver ready signature write pointer */ +#define REG_DRV_READY PCIE_SCRATCH_12_REG + +/* 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) + +struct mwifiex_pcie_buf_desc { + u64 paddr; + u16 len; + u16 flags; +} __packed; + +struct pcie_service_card { + struct pci_dev *dev; + struct mwifiex_adapter *adapter; + + u32 txbd_wrptr; + u32 txbd_rdptr; + u32 txbd_ring_size; + u8 *txbd_ring_vbase; + phys_addr_t txbd_ring_pbase; + struct mwifiex_pcie_buf_desc *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; + phys_addr_t rxbd_ring_pbase; + struct mwifiex_pcie_buf_desc *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; + phys_addr_t evtbd_ring_pbase; + struct mwifiex_pcie_buf_desc *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; + struct sk_buff *sleep_cookie; + void __iomem *pci_mmap; + void __iomem *pci_mmap1; +}; + +#endif /* _MWIFIEX_PCIE_H */ |