1 files changed, 129 insertions, 0 deletions

diff --git a/drivers/net/wireless/rsi/rsi_sdio.h b/drivers/net/wireless/rsi/rsi_sdio.h
new file mode 100644
index 000000000000..df4b5e20e05f
--- /dev/null
+++ b/drivers/net/wireless/rsi/rsi_sdio.h
@@ -0,0 +1,129 @@
+/**
+ * @section LICENSE
+ * Copyright (c) 2014 Redpine Signals 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.
+ *
+ */
+
+#ifndef __RSI_SDIO_INTF__
+#define __RSI_SDIO_INTF__
+
+#include <linux/mmc/card.h>
+#include <linux/mmc/mmc.h>
+#include <linux/mmc/host.h>
+#include <linux/mmc/sdio_func.h>
+#include <linux/mmc/sdio.h>
+#include <linux/mmc/sd.h>
+#include <linux/mmc/sdio_ids.h>
+#include "rsi_main.h"
+
+enum sdio_interrupt_type {
+        BUFFER_FULL         = 0x0,
+        BUFFER_AVAILABLE    = 0x1,
+        FIRMWARE_ASSERT_IND = 0x3,
+        MSDU_PACKET_PENDING = 0x4,
+        UNKNOWN_INT         = 0XE
+};
+
+/* Buffer status register related info */
+#define PKT_BUFF_SEMI_FULL                      0
+#define PKT_BUFF_FULL                           1
+#define PKT_MGMT_BUFF_FULL                      2
+#define MSDU_PKT_PENDING                        3
+/* Interrupt Bit Related Macros */
+#define PKT_BUFF_AVAILABLE                      0
+#define FW_ASSERT_IND                           2
+
+#define RSI_DEVICE_BUFFER_STATUS_REGISTER       0xf3
+#define RSI_FN1_INT_REGISTER                    0xf9
+#define RSI_SD_REQUEST_MASTER                   0x10000
+
+/* FOR SD CARD ONLY */
+#define SDIO_RX_NUM_BLOCKS_REG                  0x000F1
+#define SDIO_FW_STATUS_REG                      0x000F2
+#define SDIO_NXT_RD_DELAY2                      0x000F5
+#define SDIO_MASTER_ACCESS_MSBYTE               0x000FA
+#define SDIO_MASTER_ACCESS_LSBYTE               0x000FB
+#define SDIO_READ_START_LVL                     0x000FC
+#define SDIO_READ_FIFO_CTL                      0x000FD
+#define SDIO_WRITE_FIFO_CTL                     0x000FE
+#define SDIO_FUN1_INTR_CLR_REG                  0x0008
+#define SDIO_REG_HIGH_SPEED                     0x0013
+
+#define RSI_GET_SDIO_INTERRUPT_TYPE(_I, TYPE)      \
+        {                                          \
+                TYPE =                             \
+                (_I & (1 << PKT_BUFF_AVAILABLE)) ? \
+                BUFFER_AVAILABLE :                 \
+                (_I & (1 << MSDU_PKT_PENDING)) ?   \
+                MSDU_PACKET_PENDING :              \
+                (_I & (1 << FW_ASSERT_IND)) ?      \
+                FIRMWARE_ASSERT_IND : UNKNOWN_INT; \
+        }
+
+/* common registers in SDIO function1 */
+#define TA_SOFT_RESET_REG            0x0004
+#define TA_TH0_PC_REG                0x0400
+#define TA_HOLD_THREAD_REG           0x0844
+#define TA_RELEASE_THREAD_REG        0x0848
+
+#define TA_SOFT_RST_CLR              0
+#define TA_SOFT_RST_SET              BIT(0)
+#define TA_PC_ZERO                   0
+#define TA_HOLD_THREAD_VALUE         cpu_to_le32(0xF)
+#define TA_RELEASE_THREAD_VALUE      cpu_to_le32(0xF)
+#define TA_BASE_ADDR                 0x2200
+#define MISC_CFG_BASE_ADDR           0x4150
+
+struct receive_info {
+        bool buffer_full;
+        bool semi_buffer_full;
+        bool mgmt_buffer_full;
+        u32 mgmt_buf_full_counter;
+        u32 buf_semi_full_counter;
+        u8 watch_bufferfull_count;
+        u32 sdio_intr_status_zero;
+        u32 sdio_int_counter;
+        u32 total_sdio_msdu_pending_intr;
+        u32 total_sdio_unknown_intr;
+        u32 buf_full_counter;
+        u32 buf_avilable_counter;
+};
+
+struct rsi_91x_sdiodev {
+        struct sdio_func *pfunction;
+        struct task_struct *in_sdio_litefi_irq;
+        struct receive_info rx_info;
+        u32 next_read_delay;
+        u32 sdio_high_speed_enable;
+        u8 sdio_clock_speed;
+        u32 cardcapability;
+        u8 prev_desc[16];
+        u32 tx_blk_size;
+        u8 write_fail;
+};
+
+void rsi_interrupt_handler(struct rsi_hw *adapter);
+int rsi_init_sdio_slave_regs(struct rsi_hw *adapter);
+int rsi_sdio_device_init(struct rsi_common *common);
+int rsi_sdio_read_register(struct rsi_hw *adapter, u32 addr, u8 *data);
+int rsi_sdio_host_intf_read_pkt(struct rsi_hw *adapter, u8 *pkt, u32 length);
+int rsi_sdio_write_register(struct rsi_hw *adapter, u8 function,
+                            u32 addr, u8 *data);
+int rsi_sdio_write_register_multiple(struct rsi_hw *adapter, u32 addr,
+                                     u8 *data, u32 count);
+void rsi_sdio_ack_intr(struct rsi_hw *adapter, u8 int_bit);
+int rsi_sdio_determine_event_timeout(struct rsi_hw *adapter);
+int rsi_sdio_read_buffer_status_register(struct rsi_hw *adapter, u8 q_num);
+#endif