2 * Copyright (C) 2008 Christian Lamparter <chunkeey@web.de>
4 * This driver is a port from stlc45xx:
5 * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * version 2 as published by the Free Software Foundation.
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
25 #include <linux/mutex.h>
26 #include <linux/list.h>
27 #include <net/mac80211.h>
31 /* Bit 15 is read/write bit; ON = READ, OFF = WRITE */
32 #define SPI_ADRS_READ_BIT_15 0x8000
34 #define SPI_ADRS_ARM_INTERRUPTS 0x00
35 #define SPI_ADRS_ARM_INT_EN 0x04
37 #define SPI_ADRS_HOST_INTERRUPTS 0x08
38 #define SPI_ADRS_HOST_INT_EN 0x0c
39 #define SPI_ADRS_HOST_INT_ACK 0x10
41 #define SPI_ADRS_GEN_PURP_1 0x14
42 #define SPI_ADRS_GEN_PURP_2 0x18
44 #define SPI_ADRS_DEV_CTRL_STAT 0x26 /* high word */
46 #define SPI_ADRS_DMA_DATA 0x28
48 #define SPI_ADRS_DMA_WRITE_CTRL 0x2c
49 #define SPI_ADRS_DMA_WRITE_LEN 0x2e
50 #define SPI_ADRS_DMA_WRITE_BASE 0x30
52 #define SPI_ADRS_DMA_READ_CTRL 0x34
53 #define SPI_ADRS_DMA_READ_LEN 0x36
54 #define SPI_ADRS_DMA_READ_BASE 0x38
56 #define SPI_CTRL_STAT_HOST_OVERRIDE 0x8000
57 #define SPI_CTRL_STAT_START_HALTED 0x4000
58 #define SPI_CTRL_STAT_RAM_BOOT 0x2000
59 #define SPI_CTRL_STAT_HOST_RESET 0x1000
60 #define SPI_CTRL_STAT_HOST_CPU_EN 0x0800
62 #define SPI_DMA_WRITE_CTRL_ENABLE 0x0001
63 #define SPI_DMA_READ_CTRL_ENABLE 0x0001
64 #define HOST_ALLOWED (1 << 7)
66 #define SPI_TIMEOUT 100 /* msec */
68 #define SPI_MAX_TX_PACKETS 32
70 #define SPI_MAX_PACKET_SIZE 32767
72 #define SPI_TARGET_INT_WAKEUP 0x00000001
73 #define SPI_TARGET_INT_SLEEP 0x00000002
74 #define SPI_TARGET_INT_RDDONE 0x00000004
76 #define SPI_TARGET_INT_CTS 0x00004000
77 #define SPI_TARGET_INT_DR 0x00008000
79 #define SPI_HOST_INT_READY 0x00000001
80 #define SPI_HOST_INT_WR_READY 0x00000002
81 #define SPI_HOST_INT_SW_UPDATE 0x00000004
82 #define SPI_HOST_INT_UPDATE 0x10000000
85 #define SPI_HOST_INT_CR 0x00004000
88 #define SPI_HOST_INT_DR 0x00008000
90 #define SPI_HOST_INTS_DEFAULT \
91 (SPI_HOST_INT_READY | SPI_HOST_INT_UPDATE | SPI_HOST_INT_SW_UPDATE)
93 #define TARGET_BOOT_SLEEP 50
95 struct p54s_dma_regs {
99 } __attribute__ ((packed));
101 struct p54s_tx_info {
102 struct list_head tx_list;
106 /* p54_common has to be the first entry */
107 struct p54_common common;
108 struct ieee80211_hw *hw;
109 struct spi_device *spi;
111 struct work_struct work;
114 struct completion fw_comp;
118 /* protected by tx_lock */
119 struct list_head tx_pending;
121 enum fw_state fw_state;
122 const struct firmware *firmware;
125 #endif /* P54SPI_H */