summaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/intersil/p54/p54pci.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless/intersil/p54/p54pci.h')
-rw-r--r--drivers/net/wireless/intersil/p54/p54pci.h109
1 files changed, 109 insertions, 0 deletions
diff --git a/drivers/net/wireless/intersil/p54/p54pci.h b/drivers/net/wireless/intersil/p54/p54pci.h
new file mode 100644
index 000000000..3867e5935
--- /dev/null
+++ b/drivers/net/wireless/intersil/p54/p54pci.h
@@ -0,0 +1,109 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef P54PCI_H
+#define P54PCI_H
+#include <linux/interrupt.h>
+
+/*
+ * Defines for PCI based mac80211 Prism54 driver
+ *
+ * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
+ *
+ * Based on the islsm (softmac prism54) driver, which is:
+ * Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al.
+ */
+
+/* Device Interrupt register bits */
+#define ISL38XX_DEV_INT_RESET 0x0001
+#define ISL38XX_DEV_INT_UPDATE 0x0002
+#define ISL38XX_DEV_INT_WAKEUP 0x0008
+#define ISL38XX_DEV_INT_SLEEP 0x0010
+#define ISL38XX_DEV_INT_ABORT 0x0020
+/* these two only used in USB */
+#define ISL38XX_DEV_INT_DATA 0x0040
+#define ISL38XX_DEV_INT_MGMT 0x0080
+
+#define ISL38XX_DEV_INT_PCIUART_CTS 0x4000
+#define ISL38XX_DEV_INT_PCIUART_DR 0x8000
+
+/* Interrupt Identification/Acknowledge/Enable register bits */
+#define ISL38XX_INT_IDENT_UPDATE 0x0002
+#define ISL38XX_INT_IDENT_INIT 0x0004
+#define ISL38XX_INT_IDENT_WAKEUP 0x0008
+#define ISL38XX_INT_IDENT_SLEEP 0x0010
+#define ISL38XX_INT_IDENT_PCIUART_CTS 0x4000
+#define ISL38XX_INT_IDENT_PCIUART_DR 0x8000
+
+/* Control/Status register bits */
+#define ISL38XX_CTRL_STAT_SLEEPMODE 0x00000200
+#define ISL38XX_CTRL_STAT_CLKRUN 0x00800000
+#define ISL38XX_CTRL_STAT_RESET 0x10000000
+#define ISL38XX_CTRL_STAT_RAMBOOT 0x20000000
+#define ISL38XX_CTRL_STAT_STARTHALTED 0x40000000
+#define ISL38XX_CTRL_STAT_HOST_OVERRIDE 0x80000000
+
+struct p54p_csr {
+ __le32 dev_int;
+ u8 unused_1[12];
+ __le32 int_ident;
+ __le32 int_ack;
+ __le32 int_enable;
+ u8 unused_2[4];
+ union {
+ __le32 ring_control_base;
+ __le32 gen_purp_com[2];
+ };
+ u8 unused_3[8];
+ __le32 direct_mem_base;
+ u8 unused_4[44];
+ __le32 dma_addr;
+ __le32 dma_len;
+ __le32 dma_ctrl;
+ u8 unused_5[12];
+ __le32 ctrl_stat;
+ u8 unused_6[1924];
+ u8 cardbus_cis[0x800];
+ u8 direct_mem_win[0x1000];
+} __packed;
+
+/* usb backend only needs the register defines above */
+#ifndef P54USB_H
+struct p54p_desc {
+ __le32 host_addr;
+ __le32 device_addr;
+ __le16 len;
+ __le16 flags;
+} __packed;
+
+struct p54p_ring_control {
+ __le32 host_idx[4];
+ __le32 device_idx[4];
+ struct p54p_desc rx_data[8];
+ struct p54p_desc tx_data[32];
+ struct p54p_desc rx_mgmt[4];
+ struct p54p_desc tx_mgmt[4];
+} __packed;
+
+#define P54P_READ(r) (__force __le32)__raw_readl(&priv->map->r)
+#define P54P_WRITE(r, val) __raw_writel((__force u32)(__le32)(val), &priv->map->r)
+
+struct p54p_priv {
+ struct p54_common common;
+ struct pci_dev *pdev;
+ struct p54p_csr __iomem *map;
+ struct tasklet_struct tasklet;
+ const struct firmware *firmware;
+ spinlock_t lock;
+ struct p54p_ring_control *ring_control;
+ dma_addr_t ring_control_dma;
+ u32 rx_idx_data, tx_idx_data;
+ u32 rx_idx_mgmt, tx_idx_mgmt;
+ struct sk_buff *rx_buf_data[8];
+ struct sk_buff *rx_buf_mgmt[4];
+ struct sk_buff *tx_buf_data[32];
+ struct sk_buff *tx_buf_mgmt[4];
+ struct completion boot_comp;
+ struct completion fw_loaded;
+};
+
+#endif /* P54USB_H */
+#endif /* P54PCI_H */