3 * Copyright (c) 2014 Redpine Signals Inc.
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19 #ifndef __RSI_SDIO_INTF__
20 #define __RSI_SDIO_INTF__
22 #include <linux/mmc/card.h>
23 #include <linux/mmc/mmc.h>
24 #include <linux/mmc/host.h>
25 #include <linux/mmc/sdio_func.h>
26 #include <linux/mmc/sdio.h>
27 #include <linux/mmc/sd.h>
28 #include <linux/mmc/sdio_ids.h>
31 #define RSI_SDIO_VID_9113 0x041B
32 #define RSI_SDIO_PID_9113 0x9330
34 enum sdio_interrupt_type {
36 BUFFER_AVAILABLE = 0x2,
37 FIRMWARE_ASSERT_IND = 0x3,
38 MSDU_PACKET_PENDING = 0x4,
42 /* Buffer status register related info */
43 #define PKT_BUFF_SEMI_FULL 0
44 #define PKT_BUFF_FULL 1
45 #define PKT_MGMT_BUFF_FULL 2
46 #define MSDU_PKT_PENDING 3
47 #define RECV_NUM_BLOCKS 4
48 /* Interrupt Bit Related Macros */
49 #define PKT_BUFF_AVAILABLE 1
50 #define FW_ASSERT_IND 2
52 #define RSI_MASTER_REG_BUF_SIZE 12
54 #define RSI_DEVICE_BUFFER_STATUS_REGISTER 0xf3
55 #define RSI_FN1_INT_REGISTER 0xf9
56 #define RSI_INT_ENABLE_REGISTER 0x04
57 #define RSI_INT_ENABLE_MASK 0xfc
58 #define RSI_SD_REQUEST_MASTER 0x10000
60 /* FOR SD CARD ONLY */
61 #define SDIO_RX_NUM_BLOCKS_REG 0x000F1
62 #define SDIO_FW_STATUS_REG 0x000F2
63 #define SDIO_NXT_RD_DELAY2 0x000F5
64 #define SDIO_MASTER_ACCESS_MSBYTE 0x000FA
65 #define SDIO_MASTER_ACCESS_LSBYTE 0x000FB
66 #define SDIO_READ_START_LVL 0x000FC
67 #define SDIO_READ_FIFO_CTL 0x000FD
68 #define SDIO_WRITE_FIFO_CTL 0x000FE
69 #define SDIO_WAKEUP_REG 0x000FF
70 #define SDIO_FUN1_INTR_CLR_REG 0x0008
71 #define SDIO_REG_HIGH_SPEED 0x0013
73 #define RSI_GET_SDIO_INTERRUPT_TYPE(_I, TYPE) \
76 (_I & (1 << PKT_BUFF_AVAILABLE)) ? \
78 (_I & (1 << MSDU_PKT_PENDING)) ? \
79 MSDU_PACKET_PENDING : \
80 (_I & (1 << FW_ASSERT_IND)) ? \
81 FIRMWARE_ASSERT_IND : UNKNOWN_INT; \
84 /* common registers in SDIO function1 */
85 #define TA_SOFT_RESET_REG 0x0004
86 #define TA_TH0_PC_REG 0x0400
87 #define TA_HOLD_THREAD_REG 0x0844
88 #define TA_RELEASE_THREAD_REG 0x0848
90 #define TA_SOFT_RST_CLR 0
91 #define TA_SOFT_RST_SET BIT(0)
93 #define TA_HOLD_THREAD_VALUE 0xF
94 #define TA_RELEASE_THREAD_VALUE cpu_to_le32(0xF)
95 #define TA_BASE_ADDR 0x2200
96 #define MISC_CFG_BASE_ADDR 0x4105
100 bool semi_buffer_full;
101 bool mgmt_buffer_full;
102 u32 mgmt_buf_full_counter;
103 u32 buf_semi_full_counter;
104 u8 watch_bufferfull_count;
105 u32 sdio_intr_status_zero;
106 u32 sdio_int_counter;
107 u32 total_sdio_msdu_pending_intr;
108 u32 total_sdio_unknown_intr;
109 u32 buf_full_counter;
110 u32 buf_available_counter;
113 struct rsi_91x_sdiodev {
114 struct sdio_func *pfunction;
115 struct task_struct *sdio_irq_task;
116 struct receive_info rx_info;
118 u32 sdio_high_speed_enable;
124 bool buff_status_updated;
125 struct rsi_thread rx_thread;
126 u8 pktbuffer[8192] __aligned(4);
129 int rsi_init_sdio_slave_regs(struct rsi_hw *adapter);
130 int rsi_sdio_read_register(struct rsi_hw *adapter, u32 addr, u8 *data);
131 int rsi_sdio_host_intf_read_pkt(struct rsi_hw *adapter, u8 *pkt, u32 length);
132 int rsi_sdio_write_register(struct rsi_hw *adapter, u8 function,
134 int rsi_sdio_write_register_multiple(struct rsi_hw *adapter, u32 addr,
135 u8 *data, u16 count);
136 int rsi_sdio_master_access_msword(struct rsi_hw *adapter, u16 ms_word);
137 void rsi_sdio_ack_intr(struct rsi_hw *adapter, u8 int_bit);
138 int rsi_sdio_determine_event_timeout(struct rsi_hw *adapter);
139 int rsi_sdio_check_buffer_status(struct rsi_hw *adapter, u8 q_num);
140 void rsi_sdio_rx_thread(struct rsi_common *common);