2 * SD-SPI Protocol Conversion - BCMSDH->gSPI Translation Layer
4 * Copyright (C) 1999-2016, Broadcom Corporation
6 * Unless you and Broadcom execute a separate written software license
7 * agreement governing use of this software, this software is licensed to you
8 * under the terms of the GNU General Public License version 2 (the "GPL"),
9 * available at http://www.broadcom.com/licenses/GPLv2.php, with the
10 * following added to such license:
12 * As a special exception, the copyright holders of this software give you
13 * permission to link this software with independent modules, and to copy and
14 * distribute the resulting executable under terms of your choice, provided that
15 * you also meet, for each linked independent module, the terms and conditions of
16 * the license of that module. An independent module is a module which is not
17 * derived from this software. The special exception does not apply to any
18 * modifications of the software.
20 * Notwithstanding the above, under no circumstances may you combine this
21 * software in any way with any other Broadcom software provided under a license
22 * other than the GPL, without Broadcom's express prior written consent.
25 * <<Broadcom-WL-IPTag/Open:>>
27 * $Id: bcmspibrcm.h 514727 2014-11-12 03:02:48Z $
29 #ifndef _BCM_SPI_BRCM_H
30 #define _BCM_SPI_BRCM_H
32 #ifndef SPI_MAX_IOFUNCS
33 /* Maximum number of I/O funcs */
34 #define SPI_MAX_IOFUNCS 4
36 /* global msglevel for debug messages - bitvals come from sdiovar.h */
38 #if defined(DHD_DEBUG)
39 #define sd_err(x) do { if (sd_msglevel & SDH_ERROR_VAL) printf x; } while (0)
40 #define sd_trace(x) do { if (sd_msglevel & SDH_TRACE_VAL) printf x; } while (0)
41 #define sd_info(x) do { if (sd_msglevel & SDH_INFO_VAL) printf x; } while (0)
42 #define sd_debug(x) do { if (sd_msglevel & SDH_DEBUG_VAL) printf x; } while (0)
43 #define sd_data(x) do { if (sd_msglevel & SDH_DATA_VAL) printf x; } while (0)
44 #define sd_ctrl(x) do { if (sd_msglevel & SDH_CTRL_VAL) printf x; } while (0)
56 #define SDIOH_ASSERT(exp) \
58 printf("!!!ASSERT fail: file %s lines %d", __FILE__, __LINE__); \
61 #define BLOCK_SIZE_F1 64
62 #define BLOCK_SIZE_F2 2048
63 #define BLOCK_SIZE_F3 2048
65 /* internal return code */
72 /* private bus modes */
73 #define SDIOH_MODE_SPI 0
75 #define USE_BLOCKMODE 0x2 /* Block mode can be single block or multi */
76 #define USE_MULTIBLOCK 0x4
79 uint cfg_bar; /* pci cfg address for bar */
80 uint32 caps; /* cached value of capabilities reg */
81 void *bar0; /* BAR0 for PCI Device */
82 osl_t *osh; /* osh handler */
83 void *controller; /* Pointer to SPI Controller's private data struct */
84 uint lockcount; /* nest count of spi_lock() calls */
85 bool client_intr_enabled; /* interrupt connnected flag */
86 bool intr_handler_valid; /* client driver interrupt handler valid */
87 sdioh_cb_fn_t intr_handler; /* registered interrupt handler */
88 void *intr_handler_arg; /* argument to call interrupt handler */
89 bool initialized; /* card initialized */
90 uint32 target_dev; /* Target device ID */
91 uint32 intmask; /* Current active interrupts */
92 void *sdos_info; /* Pointer to per-OS private data */
93 uint32 controller_type; /* Host controller type */
94 uint8 version; /* Host Controller Spec Compliance Version */
95 uint irq; /* Client irq */
96 uint32 intrcount; /* Client interrupts */
97 uint32 local_intrcount; /* Controller interrupts */
98 bool host_init_done; /* Controller initted */
99 bool card_init_done; /* Client SDIO interface initted */
100 bool polled_mode; /* polling for command completion */
102 bool sd_use_dma; /* DMA on CMD53 */
103 bool sd_blockmode; /* sd_blockmode == FALSE => 64 Byte Cmd 53s. */
104 /* Must be on for sd_multiblock to be effective */
105 bool use_client_ints; /* If this is false, make sure to restore */
106 /* polling hack in wl_linux.c:wl_timer() */
107 int adapter_slot; /* Maybe dealing with multiple slots/controllers */
108 int sd_mode; /* SD1/SD4/SPI */
109 int client_block_size[SPI_MAX_IOFUNCS]; /* Blocksize */
110 uint32 data_xfer_count; /* Current transfer */
111 uint16 card_rca; /* Current Address */
112 uint8 num_funcs; /* Supported funcs on client */
113 uint32 card_dstatus; /* 32bit device status */
115 uint32 func_cis_ptr[SPI_MAX_IOFUNCS];
118 int r_cnt; /* rx count */
119 int t_cnt; /* tx_count */
120 uint32 wordlen; /* host processor 16/32bits */
128 struct spierrstats_t spierrstats;
131 /************************************************************
132 * Internal interfaces: per-port references into bcmspibrcm.c
135 /* Global message bits */
136 extern uint sd_msglevel;
138 /**************************************************************
139 * Internal interfaces: bcmspibrcm.c references to per-port code
142 /* Interrupt (de)registration routines */
143 extern int spi_register_irq(sdioh_info_t *sd, uint irq);
144 extern void spi_free_irq(uint irq, sdioh_info_t *sd);
146 /* OS-specific interrupt wrappers (atomic interrupt enable/disable) */
147 extern void spi_lock(sdioh_info_t *sd);
148 extern void spi_unlock(sdioh_info_t *sd);
150 /* Allocate/init/free per-OS private data */
151 extern int spi_osinit(sdioh_info_t *sd);
152 extern void spi_osfree(sdioh_info_t *sd);
154 #define SPI_RW_FLAG_M BITFIELD_MASK(1) /* Bit [31] - R/W Command Bit */
155 #define SPI_RW_FLAG_S 31
156 #define SPI_ACCESS_M BITFIELD_MASK(1) /* Bit [30] - Fixed/Incr Access */
157 #define SPI_ACCESS_S 30
158 #define SPI_FUNCTION_M BITFIELD_MASK(2) /* Bit [29:28] - Function Number */
159 #define SPI_FUNCTION_S 28
160 #define SPI_REG_ADDR_M BITFIELD_MASK(17) /* Bit [27:11] - Address */
161 #define SPI_REG_ADDR_S 11
162 #define SPI_LEN_M BITFIELD_MASK(11) /* Bit [10:0] - Packet length */
165 #endif /* _BCM_SPI_BRCM_H */