Add rtl8812au driver version 5.2.6.2

[android-x86/external-kernel-drivers.git] / rtl8812au / core / rtw_sdio.c

diff --git a/rtl8812au/core/rtw_sdio.c b/rtl8812au/core/rtw_sdio.c
new file mode 100644 (file)
index 0000000..817d60b
--- /dev/null
+++ b/rtl8812au/core/rtw_sdio.c
@@ -0,0 +1,98 @@
+/******************************************************************************
+ *
+ * Copyright(c) 2015 - 2016 Realtek Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
+ *
+ ******************************************************************************/
+#define _RTW_SDIO_C_
+
+#include <drv_types.h>         /* struct dvobj_priv and etc. */
+#include <drv_types_sdio.h>    /* RTW_SDIO_ADDR_CMD52_GEN */
+
+/*
+ * Description:
+ *     Use SDIO cmd52 or cmd53 to read/write data
+ *
+ * Parameters:
+ *     d       pointer of device object(struct dvobj_priv)
+ *     addr    SDIO address, 17 bits
+ *     buf     buffer for I/O
+ *     len     length
+ *     write   0:read, 1:write
+ *     cmd52   0:cmd52, 1:cmd53
+ *
+ * Return:
+ *     _SUCCESS        I/O ok.
+ *     _FAIL           I/O fail.
+ */
+static u8 sdio_io(struct dvobj_priv *d, u32 addr, void *buf, size_t len, u8 write, u8 cmd52)
+{
+       int err;
+
+
+       if (cmd52)
+               addr = RTW_SDIO_ADDR_CMD52_GEN(addr);
+
+       if (write)
+               err = d->intf_ops->write(d, addr, buf, len, 0);
+       else
+               err = d->intf_ops->read(d, addr, buf, len, 0);
+       if (err) {
+               RTW_INFO("%s: [ERROR] %s FAIL! error(%d)\n",
+                        __FUNCTION__, write ? "write" : "read", err);
+               return _FAIL;
+       }
+
+       return _SUCCESS;
+}
+
+u8 rtw_sdio_read_cmd52(struct dvobj_priv *d, u32 addr, void *buf, size_t len)
+{
+       return sdio_io(d, addr, buf, len, 0, 1);
+}
+
+u8 rtw_sdio_read_cmd53(struct dvobj_priv *d, u32 addr, void *buf, size_t len)
+{
+       return sdio_io(d, addr, buf, len, 0, 0);
+}
+
+u8 rtw_sdio_write_cmd52(struct dvobj_priv *d, u32 addr, void *buf, size_t len)
+{
+       return sdio_io(d, addr, buf, len, 1, 1);
+}
+
+u8 rtw_sdio_write_cmd53(struct dvobj_priv *d, u32 addr, void *buf, size_t len)
+{
+       return sdio_io(d, addr, buf, len, 1, 0);
+}
+
+u8 rtw_sdio_f0_read(struct dvobj_priv *d, u32 addr, void *buf, size_t len)
+{
+       int err;
+       u8 ret;
+
+
+       ret = _SUCCESS;
+       addr = RTW_SDIO_ADDR_F0_GEN(addr);
+
+       err = d->intf_ops->read(d, addr, buf, len, 0);
+       if (err) {
+               RTW_INFO("%s: [ERROR] Read f0 register FAIL!\n", __FUNCTION__);
+               ret = _FAIL;
+       }
+
+
+       return ret;
+}