58d92abc74
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
93 lines
2.8 KiB
C
93 lines
2.8 KiB
C
/*
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* Copyright (c) 2007-2011 Atheros Communications Inc.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef HTC_HIF_H
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#define HTC_HIF_H
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#include "htc.h"
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#include "hif.h"
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#define ATH6KL_MAILBOXES 4
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/* HTC runs over mailbox 0 */
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#define HTC_MAILBOX 0
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#define ATH6KL_TARGET_DEBUG_INTR_MASK 0x01
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#define OTHER_INTS_ENABLED (INT_STATUS_ENABLE_ERROR_MASK | \
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INT_STATUS_ENABLE_CPU_MASK | \
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INT_STATUS_ENABLE_COUNTER_MASK)
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#define ATH6KL_REG_IO_BUFFER_SIZE 32
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#define ATH6KL_MAX_REG_IO_BUFFERS 8
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#define ATH6KL_SCATTER_ENTRIES_PER_REQ 16
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#define ATH6KL_MAX_TRANSFER_SIZE_PER_SCATTER (16 * 1024)
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#define ATH6KL_SCATTER_REQS 4
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#ifndef A_CACHE_LINE_PAD
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#define A_CACHE_LINE_PAD 128
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#endif
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#define ATH6KL_MIN_SCATTER_ENTRIES_PER_REQ 2
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#define ATH6KL_MIN_TRANSFER_SIZE_PER_SCATTER (4 * 1024)
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struct ath6kl_irq_proc_registers {
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u8 host_int_status;
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u8 cpu_int_status;
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u8 error_int_status;
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u8 counter_int_status;
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u8 mbox_frame;
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u8 rx_lkahd_valid;
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u8 host_int_status2;
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u8 gmbox_rx_avail;
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__le32 rx_lkahd[2];
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__le32 rx_gmbox_lkahd_alias[2];
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} __packed;
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struct ath6kl_irq_enable_reg {
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u8 int_status_en;
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u8 cpu_int_status_en;
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u8 err_int_status_en;
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u8 cntr_int_status_en;
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} __packed;
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struct ath6kl_device {
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spinlock_t lock;
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u8 pad1[A_CACHE_LINE_PAD];
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struct ath6kl_irq_proc_registers irq_proc_reg;
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u8 pad2[A_CACHE_LINE_PAD];
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struct ath6kl_irq_enable_reg irq_en_reg;
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u8 pad3[A_CACHE_LINE_PAD];
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struct htc_target *htc_cnxt;
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struct ath6kl *ar;
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};
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int ath6kldev_setup(struct ath6kl_device *dev);
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int ath6kldev_unmask_intrs(struct ath6kl_device *dev);
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int ath6kldev_mask_intrs(struct ath6kl_device *dev);
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int ath6kldev_poll_mboxmsg_rx(struct ath6kl_device *dev,
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u32 *lk_ahd, int timeout);
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int ath6kldev_rx_control(struct ath6kl_device *dev, bool enable_rx);
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int ath6kldev_disable_intrs(struct ath6kl_device *dev);
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int ath6kldev_rw_comp_handler(void *context, int status);
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int ath6kldev_intr_bh_handler(struct ath6kl *ar);
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/* Scatter Function and Definitions */
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int ath6kldev_submit_scat_req(struct ath6kl_device *dev,
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struct hif_scatter_req *scat_req, bool read);
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#endif /*ATH6KL_H_ */
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