Commit 4db66499 authored by Erik Stromdahl's avatar Erik Stromdahl Committed by Kalle Valo

ath10k: add initial USB support

Chipsets like QCA9377 have support for USB so add initial USB bus
support to ath10k. With this patch we have the low level HIF and
HTC protocol working and it's possible to boot the firmware,
but it's still not possible to connect or anything like.

More changes are needed for full functionality. For that reason
we print during initialisation:

WARNING: ath10k USB support is incomplete, don't expect anything to work!
Signed-off-by: default avatarErik Stromdahl <erik.stromdahl@gmail.com>
Signed-off-by: default avatarKalle Valo <kvalo@qca.qualcomm.com>
parent b00435e6
...@@ -29,6 +29,13 @@ config ATH10K_SDIO ...@@ -29,6 +29,13 @@ config ATH10K_SDIO
This module adds experimental support for SDIO/MMC bus. Currently This module adds experimental support for SDIO/MMC bus. Currently
work in progress and will not fully work. work in progress and will not fully work.
config ATH10K_USB
tristate "Atheros ath10k USB support (EXPERIMENTAL)"
depends on ATH10K && USB
---help---
This module adds experimental support for USB bus. Currently
work in progress and will not fully work.
config ATH10K_DEBUG config ATH10K_DEBUG
bool "Atheros ath10k debugging" bool "Atheros ath10k debugging"
depends on ATH10K depends on ATH10K
......
...@@ -30,5 +30,8 @@ ath10k_pci-$(CONFIG_ATH10K_AHB) += ahb.o ...@@ -30,5 +30,8 @@ ath10k_pci-$(CONFIG_ATH10K_AHB) += ahb.o
obj-$(CONFIG_ATH10K_SDIO) += ath10k_sdio.o obj-$(CONFIG_ATH10K_SDIO) += ath10k_sdio.o
ath10k_sdio-y += sdio.o ath10k_sdio-y += sdio.o
obj-$(CONFIG_ATH10K_USB) += ath10k_usb.o
ath10k_usb-y += usb.o
# for tracing framework to find trace.h # for tracing framework to find trace.h
CFLAGS_trace.o := -I$(src) CFLAGS_trace.o := -I$(src)
This diff is collapsed.
/*
* Copyright (c) 2004-2011 Atheros Communications Inc.
* Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
* Copyright (c) 2016-2017 Erik Stromdahl <erik.stromdahl@gmail.com>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _USB_H_
#define _USB_H_
/* constants */
#define TX_URB_COUNT 32
#define RX_URB_COUNT 32
#define ATH10K_USB_RX_BUFFER_SIZE 4096
#define ATH10K_USB_PIPE_INVALID ATH10K_USB_PIPE_MAX
/* USB endpoint definitions */
#define ATH10K_USB_EP_ADDR_APP_CTRL_IN 0x81
#define ATH10K_USB_EP_ADDR_APP_DATA_IN 0x82
#define ATH10K_USB_EP_ADDR_APP_DATA2_IN 0x83
#define ATH10K_USB_EP_ADDR_APP_INT_IN 0x84
#define ATH10K_USB_EP_ADDR_APP_CTRL_OUT 0x01
#define ATH10K_USB_EP_ADDR_APP_DATA_LP_OUT 0x02
#define ATH10K_USB_EP_ADDR_APP_DATA_MP_OUT 0x03
#define ATH10K_USB_EP_ADDR_APP_DATA_HP_OUT 0x04
/* diagnostic command defnitions */
#define ATH10K_USB_CONTROL_REQ_SEND_BMI_CMD 1
#define ATH10K_USB_CONTROL_REQ_RECV_BMI_RESP 2
#define ATH10K_USB_CONTROL_REQ_DIAG_CMD 3
#define ATH10K_USB_CONTROL_REQ_DIAG_RESP 4
#define ATH10K_USB_CTRL_DIAG_CC_READ 0
#define ATH10K_USB_CTRL_DIAG_CC_WRITE 1
#define ATH10K_USB_IS_BULK_EP(attr) (((attr) & 3) == 0x02)
#define ATH10K_USB_IS_INT_EP(attr) (((attr) & 3) == 0x03)
#define ATH10K_USB_IS_ISOC_EP(attr) (((attr) & 3) == 0x01)
#define ATH10K_USB_IS_DIR_IN(addr) ((addr) & 0x80)
struct ath10k_usb_ctrl_diag_cmd_write {
__le32 cmd;
__le32 address;
__le32 value;
__le32 padding;
} __packed;
struct ath10k_usb_ctrl_diag_cmd_read {
__le32 cmd;
__le32 address;
} __packed;
struct ath10k_usb_ctrl_diag_resp_read {
u8 value[4];
} __packed;
/* tx/rx pipes for usb */
enum ath10k_usb_pipe_id {
ATH10K_USB_PIPE_TX_CTRL = 0,
ATH10K_USB_PIPE_TX_DATA_LP,
ATH10K_USB_PIPE_TX_DATA_MP,
ATH10K_USB_PIPE_TX_DATA_HP,
ATH10K_USB_PIPE_RX_CTRL,
ATH10K_USB_PIPE_RX_DATA,
ATH10K_USB_PIPE_RX_DATA2,
ATH10K_USB_PIPE_RX_INT,
ATH10K_USB_PIPE_MAX
};
struct ath10k_usb_pipe {
struct list_head urb_list_head;
struct usb_anchor urb_submitted;
u32 urb_alloc;
u32 urb_cnt;
u32 urb_cnt_thresh;
unsigned int usb_pipe_handle;
u32 flags;
u8 ep_address;
u8 logical_pipe_num;
struct ath10k_usb *ar_usb;
u16 max_packet_size;
struct work_struct io_complete_work;
struct sk_buff_head io_comp_queue;
struct usb_endpoint_descriptor *ep_desc;
};
#define ATH10K_USB_PIPE_FLAG_TX BIT(0)
/* usb device object */
struct ath10k_usb {
/* protects pipe->urb_list_head and pipe->urb_cnt */
spinlock_t cs_lock;
struct usb_device *udev;
struct usb_interface *interface;
struct ath10k_usb_pipe pipes[ATH10K_USB_PIPE_MAX];
u8 *diag_cmd_buffer;
u8 *diag_resp_buffer;
struct ath10k *ar;
};
/* usb urb object */
struct ath10k_urb_context {
struct list_head link;
struct ath10k_usb_pipe *pipe;
struct sk_buff *skb;
struct ath10k *ar;
};
static inline struct ath10k_usb *ath10k_usb_priv(struct ath10k *ar)
{
return (struct ath10k_usb *)ar->drv_priv;
}
#endif
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment