| /** |
| * @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 = 0x2, |
| 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 |
| #define RECV_NUM_BLOCKS 4 |
| /* Interrupt Bit Related Macros */ |
| #define PKT_BUFF_AVAILABLE 1 |
| #define FW_ASSERT_IND 2 |
| |
| #define RSI_MASTER_REG_BUF_SIZE 12 |
| |
| #define RSI_DEVICE_BUFFER_STATUS_REGISTER 0xf3 |
| #define RSI_FN1_INT_REGISTER 0xf9 |
| #define RSI_INT_ENABLE_REGISTER 0x04 |
| #define RSI_INT_ENABLE_MASK 0xfc |
| #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_WAKEUP_REG 0x000FF |
| #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 0xF |
| #define TA_RELEASE_THREAD_VALUE 0xF |
| #define TA_BASE_ADDR 0x2200 |
| #define MISC_CFG_BASE_ADDR 0x4105 |
| |
| 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_available_counter; |
| }; |
| |
| struct rsi_91x_sdiodev { |
| struct sdio_func *pfunction; |
| struct task_struct *sdio_irq_task; |
| struct receive_info rx_info; |
| u32 next_read_delay; |
| u32 sdio_high_speed_enable; |
| u8 sdio_clock_speed; |
| u32 cardcapability; |
| u8 prev_desc[16]; |
| u16 tx_blk_size; |
| u8 write_fail; |
| bool buff_status_updated; |
| struct rsi_thread rx_thread; |
| u8 pktbuffer[8192] __aligned(4); |
| }; |
| |
| int rsi_init_sdio_slave_regs(struct rsi_hw *adapter); |
| 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, u16 count); |
| int rsi_sdio_master_access_msword(struct rsi_hw *adapter, u16 ms_word); |
| 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_check_buffer_status(struct rsi_hw *adapter, u8 q_num); |
| void rsi_sdio_rx_thread(struct rsi_common *common); |
| #endif |
