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path: root/drivers/net/wireless/ath/wil6210/ioctl.c
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Diffstat (limited to 'drivers/net/wireless/ath/wil6210/ioctl.c')
-rw-r--r--drivers/net/wireless/ath/wil6210/ioctl.c180
1 files changed, 0 insertions, 180 deletions
diff --git a/drivers/net/wireless/ath/wil6210/ioctl.c b/drivers/net/wireless/ath/wil6210/ioctl.c
deleted file mode 100644
index 630380078236..000000000000
--- a/drivers/net/wireless/ath/wil6210/ioctl.c
+++ /dev/null
@@ -1,180 +0,0 @@
-/*
- * Copyright (c) 2014 Qualcomm Atheros, Inc.
- *
- * 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.
- */
-
-#include <linux/uaccess.h>
-
-#include "wil6210.h"
-#include <uapi/linux/wil6210_uapi.h>
-
-#define wil_hex_dump_ioctl(prefix_str, buf, len) \
- print_hex_dump_debug("DBG[IOC ]" prefix_str, \
- DUMP_PREFIX_OFFSET, 16, 1, buf, len, true)
-#define wil_dbg_ioctl(wil, fmt, arg...) wil_dbg(wil, "DBG[IOC ]" fmt, ##arg)
-
-static void __iomem *wil_ioc_addr(struct wil6210_priv *wil, uint32_t addr,
- uint32_t size, enum wil_memio_op op)
-{
- void __iomem *a;
- u32 off;
-
- switch (op & wil_mmio_addr_mask) {
- case wil_mmio_addr_linker:
- a = wmi_buffer(wil, cpu_to_le32(addr));
- break;
- case wil_mmio_addr_ahb:
- a = wmi_addr(wil, addr);
- break;
- case wil_mmio_addr_bar:
- a = wmi_addr(wil, addr + WIL6210_FW_HOST_OFF);
- break;
- default:
- wil_err(wil, "Unsupported address mode, op = 0x%08x\n", op);
- return NULL;
- }
-
- off = a - wil->csr;
- if (size >= WIL6210_MEM_SIZE - off) {
- wil_err(wil, "Requested block does not fit into memory: "
- "off = 0x%08x size = 0x%08x\n", off, size);
- return NULL;
- }
-
- return a;
-}
-
-static int wil_ioc_memio_dword(struct wil6210_priv *wil, void __user *data)
-{
- struct wil_memio io;
- void __iomem *a;
- bool need_copy = false;
-
- if (copy_from_user(&io, data, sizeof(io)))
- return -EFAULT;
-
- wil_dbg_ioctl(wil, "IO: addr = 0x%08x val = 0x%08x op = 0x%08x\n",
- io.addr, io.val, io.op);
-
- a = wil_ioc_addr(wil, io.addr, sizeof(u32), io.op);
- if (!a) {
- wil_err(wil, "invalid address 0x%08x, op = 0x%08x\n", io.addr,
- io.op);
- return -EINVAL;
- }
- /* operation */
- switch (io.op & wil_mmio_op_mask) {
- case wil_mmio_read:
- io.val = readl(a);
- need_copy = true;
- break;
- case wil_mmio_write:
- writel(io.val, a);
- wmb(); /* make sure write propagated to HW */
- break;
- default:
- wil_err(wil, "Unsupported operation, op = 0x%08x\n", io.op);
- return -EINVAL;
- }
-
- if (need_copy) {
- wil_dbg_ioctl(wil, "IO done: addr = 0x%08x"
- " val = 0x%08x op = 0x%08x\n",
- io.addr, io.val, io.op);
- if (copy_to_user(data, &io, sizeof(io)))
- return -EFAULT;
- }
-
- return 0;
-}
-
-static int wil_ioc_memio_block(struct wil6210_priv *wil, void __user *data)
-{
- struct wil_memio_block io;
- void *block;
- void __iomem *a;
- int rc = 0;
-
- if (copy_from_user(&io, data, sizeof(io)))
- return -EFAULT;
-
- wil_dbg_ioctl(wil, "IO: addr = 0x%08x size = 0x%08x op = 0x%08x\n",
- io.addr, io.size, io.op);
-
- /* size */
- if (io.size % 4) {
- wil_err(wil, "size is not multiple of 4: 0x%08x\n", io.size);
- return -EINVAL;
- }
-
- a = wil_ioc_addr(wil, io.addr, io.size, io.op);
- if (!a) {
- wil_err(wil, "invalid address 0x%08x, op = 0x%08x\n", io.addr,
- io.op);
- return -EINVAL;
- }
-
- block = kmalloc(io.size, GFP_USER);
- if (!block)
- return -ENOMEM;
-
- /* operation */
- switch (io.op & wil_mmio_op_mask) {
- case wil_mmio_read:
- wil_memcpy_fromio_32(block, a, io.size);
- wil_hex_dump_ioctl("Read ", block, io.size);
- if (copy_to_user(io.block, block, io.size)) {
- rc = -EFAULT;
- goto out_free;
- }
- break;
- case wil_mmio_write:
- if (copy_from_user(block, io.block, io.size)) {
- rc = -EFAULT;
- goto out_free;
- }
- wil_memcpy_toio_32(a, block, io.size);
- wmb(); /* make sure write propagated to HW */
- wil_hex_dump_ioctl("Write ", block, io.size);
- break;
- default:
- wil_err(wil, "Unsupported operation, op = 0x%08x\n", io.op);
- rc = -EINVAL;
- break;
- }
-
-out_free:
- kfree(block);
- return rc;
-}
-
-int wil_ioctl(struct wil6210_priv *wil, void __user *data, int cmd)
-{
- int ret;
-
- switch (cmd) {
- case WIL_IOCTL_MEMIO:
- ret = wil_ioc_memio_dword(wil, data);
- break;
- case WIL_IOCTL_MEMIO_BLOCK:
- ret = wil_ioc_memio_block(wil, data);
- break;
- default:
- wil_dbg_ioctl(wil, "Unsupported IOCTL 0x%04x\n", cmd);
- return -ENOIOCTLCMD;
- }
-
- wil_dbg_ioctl(wil, "ioctl(0x%04x) -> %d\n", cmd, ret);
- return ret;
-}