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110 lines
2.4 KiB
110 lines
2.4 KiB
/* |
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* Copyright (c) 2011, 2012, Qualcomm Atheros Communications Inc. |
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* Copyright (c) 2014, I2SE GmbH |
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* |
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* Permission to use, copy, modify, and/or distribute this software |
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* for any purpose with or without fee is hereby granted, provided |
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* that the above copyright notice and this permission notice appear |
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* in all copies. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
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* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
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* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL |
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* THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR |
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM |
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* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, |
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* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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*/ |
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/* Qualcomm Atheros SPI register definition. |
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* |
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* This module is designed to define the Qualcomm Atheros SPI register |
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* placeholders; |
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*/ |
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#ifndef _QCA_SPI_H |
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#define _QCA_SPI_H |
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#include <linux/netdevice.h> |
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#include <linux/sched.h> |
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#include <linux/skbuff.h> |
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#include <linux/spi/spi.h> |
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#include <linux/types.h> |
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#include "qca_7k_common.h" |
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#define QCASPI_DRV_VERSION "0.2.7-i" |
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#define QCASPI_DRV_NAME "qcaspi" |
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#define QCASPI_GOOD_SIGNATURE 0xAA55 |
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#define TX_RING_MAX_LEN 10 |
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#define TX_RING_MIN_LEN 2 |
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/* sync related constants */ |
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#define QCASPI_SYNC_UNKNOWN 0 |
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#define QCASPI_SYNC_RESET 1 |
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#define QCASPI_SYNC_READY 2 |
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#define QCASPI_RESET_TIMEOUT 10 |
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/* sync events */ |
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#define QCASPI_EVENT_UPDATE 0 |
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#define QCASPI_EVENT_CPUON 1 |
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struct tx_ring { |
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struct sk_buff *skb[TX_RING_MAX_LEN]; |
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u16 head; |
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u16 tail; |
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u16 size; |
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u16 count; |
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}; |
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struct qcaspi_stats { |
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u64 trig_reset; |
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u64 device_reset; |
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u64 reset_timeout; |
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u64 read_err; |
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u64 write_err; |
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u64 read_buf_err; |
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u64 write_buf_err; |
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u64 out_of_mem; |
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u64 write_buf_miss; |
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u64 ring_full; |
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u64 spi_err; |
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u64 write_verify_failed; |
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u64 buf_avail_err; |
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u64 bad_signature; |
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}; |
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struct qcaspi { |
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struct net_device *net_dev; |
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struct spi_device *spi_dev; |
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struct task_struct *spi_thread; |
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struct tx_ring txr; |
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struct qcaspi_stats stats; |
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u8 *rx_buffer; |
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u32 buffer_size; |
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u8 sync; |
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struct qcafrm_handle frm_handle; |
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struct sk_buff *rx_skb; |
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unsigned int intr_req; |
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unsigned int intr_svc; |
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u16 reset_count; |
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#ifdef CONFIG_DEBUG_FS |
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struct dentry *device_root; |
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#endif |
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/* user configurable options */ |
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u32 clkspeed; |
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u8 legacy_mode; |
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u16 burst_len; |
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}; |
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#endif /* _QCA_SPI_H */
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