[net-next-2.6.git] / drivers / net / wireless / rt2x00 / rt2x00pci.h

/*
	Copyright (C) 2004 - 2007 rt2x00 SourceForge Project
	<http://rt2x00.serialmonkey.com>

	This program is free software; you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation; either version 2 of the License, or
	(at your option) any later version.

	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	GNU General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with this program; if not, write to the
	Free Software Foundation, Inc.,
	59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

/*
	Module: rt2x00pci
	Abstract: Data structures for the rt2x00pci module.
 */

#ifndef RT2X00PCI_H
#define RT2X00PCI_H

#include <linux/io.h>

/*
 * This variable should be used with the
 * pci_driver structure initialization.
 */
#define PCI_DEVICE_DATA(__ops)	.driver_data = (kernel_ulong_t)(__ops)

/*
 * Register defines.
 * Some registers require multiple attempts before success,
 * in those cases REGISTER_BUSY_COUNT attempts should be
 * taken with a REGISTER_BUSY_DELAY interval.
 */
#define REGISTER_BUSY_COUNT	5
#define REGISTER_BUSY_DELAY	100

/*
 * Descriptor availability flags.
 * All PCI device descriptors have these 2 flags
 * with the exact same definition.
 * By storing them here we can use them inside rt2x00pci
 * for some simple entry availability checking.
 */
#define TXD_ENTRY_OWNER_NIC	FIELD32(0x00000001)
#define TXD_ENTRY_VALID		FIELD32(0x00000002)
#define RXD_ENTRY_OWNER_NIC	FIELD32(0x00000001)

/*
 * Register access.
 */
static inline void rt2x00pci_register_read(const struct rt2x00_dev *rt2x00dev,
					   const unsigned long offset,
					   u32 *value)
{
	*value = readl(rt2x00dev->csr_addr + offset);
}

static inline void
rt2x00pci_register_multiread(const struct rt2x00_dev *rt2x00dev,
			     const unsigned long offset,
			     void *value, const u16 length)
{
	memcpy_fromio(value, rt2x00dev->csr_addr + offset, length);
}

static inline void rt2x00pci_register_write(const struct rt2x00_dev *rt2x00dev,
					    const unsigned long offset,
					    u32 value)
{
	writel(value, rt2x00dev->csr_addr + offset);
}

static inline void
rt2x00pci_register_multiwrite(const struct rt2x00_dev *rt2x00dev,
			      const unsigned long offset,
			      void *value, const u16 length)
{
	memcpy_toio(rt2x00dev->csr_addr + offset, value, length);
}

/*
 * Beacon handlers.
 */
int rt2x00pci_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb,
			    struct ieee80211_tx_control *control);

/*
 * TX data handlers.
 */
int rt2x00pci_write_tx_data(struct rt2x00_dev *rt2x00dev,
			    struct data_ring *ring, struct sk_buff *skb,
			    struct ieee80211_tx_control *control);

/*
 * RX data handlers.
 */
void rt2x00pci_rxdone(struct rt2x00_dev *rt2x00dev);

/*
 * Device initialization handlers.
 */
int rt2x00pci_initialize(struct rt2x00_dev *rt2x00dev);
void rt2x00pci_uninitialize(struct rt2x00_dev *rt2x00dev);

/*
 * PCI driver handlers.
 */
int rt2x00pci_probe(struct pci_dev *pci_dev, const struct pci_device_id *id);
void rt2x00pci_remove(struct pci_dev *pci_dev);
#ifdef CONFIG_PM
int rt2x00pci_suspend(struct pci_dev *pci_dev, pm_message_t state);
int rt2x00pci_resume(struct pci_dev *pci_dev);
#else
#define rt2x00pci_suspend	NULL
#define rt2x00pci_resume	NULL
#endif /* CONFIG_PM */

#endif /* RT2X00PCI_H */
Commit	Line	Data
95ea3627 ID	1	/*
	2	Copyright (C) 2004 - 2007 rt2x00 SourceForge Project
	3	<http://rt2x00.serialmonkey.com>
	4
	5	This program is free software; you can redistribute it and/or modify
	6	it under the terms of the GNU General Public License as published by
	7	the Free Software Foundation; either version 2 of the License, or
	8	(at your option) any later version.
	9
	10	This program is distributed in the hope that it will be useful,
	11	but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	13	GNU General Public License for more details.
	14
	15	You should have received a copy of the GNU General Public License
	16	along with this program; if not, write to the
	17	Free Software Foundation, Inc.,
	18	59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
	19	*/
	20
	21	/*
	22	Module: rt2x00pci
	23	Abstract: Data structures for the rt2x00pci module.
	24	*/
	25
	26	#ifndef RT2X00PCI_H
	27	#define RT2X00PCI_H
	28
	29	#include <linux/io.h>
	30
	31	/*
	32	* This variable should be used with the
	33	* pci_driver structure initialization.
	34	*/
	35	#define PCI_DEVICE_DATA(__ops) .driver_data = (kernel_ulong_t)(__ops)
	36
	37	/*
	38	* Register defines.
	39	* Some registers require multiple attempts before success,
	40	* in those cases REGISTER_BUSY_COUNT attempts should be
	41	* taken with a REGISTER_BUSY_DELAY interval.
	42	*/
	43	#define REGISTER_BUSY_COUNT 5
	44	#define REGISTER_BUSY_DELAY 100
	45
	46	/*
	47	* Descriptor availability flags.
	48	* All PCI device descriptors have these 2 flags
	49	* with the exact same definition.
	50	* By storing them here we can use them inside rt2x00pci
	51	* for some simple entry availability checking.
	52	*/
	53	#define TXD_ENTRY_OWNER_NIC FIELD32(0x00000001)
	54	#define TXD_ENTRY_VALID FIELD32(0x00000002)
	55	#define RXD_ENTRY_OWNER_NIC FIELD32(0x00000001)
	56
	57	/*
	58	* Register access.
	59	*/
	60	static inline void rt2x00pci_register_read(const struct rt2x00_dev *rt2x00dev,
	61	const unsigned long offset,
	62	u32 *value)
	63	{
	64	*value = readl(rt2x00dev->csr_addr + offset);
65	}
66
67	static inline void
68	rt2x00pci_register_multiread(const struct rt2x00_dev *rt2x00dev,
69	const unsigned long offset,
70	void *value, const u16 length)
71	{
72	memcpy_fromio(value, rt2x00dev->csr_addr + offset, length);
73	}
74
75	static inline void rt2x00pci_register_write(const struct rt2x00_dev *rt2x00dev,
76	const unsigned long offset,
77	u32 value)
78	{
79	writel(value, rt2x00dev->csr_addr + offset);
80	}
81
82	static inline void
83	rt2x00pci_register_multiwrite(const struct rt2x00_dev *rt2x00dev,
84	const unsigned long offset,
85	void *value, const u16 length)
86	{
87	memcpy_toio(rt2x00dev->csr_addr + offset, value, length);
88	}
89
90	/*
91	* Beacon handlers.
92	*/
93	int rt2x00pci_beacon_update(struct ieee80211_hw hw, struct sk_buff skb,
94	struct ieee80211_tx_control *control);
95
96	/*
97	* TX data handlers.
98	*/
99	int rt2x00pci_write_tx_data(struct rt2x00_dev *rt2x00dev,
100	struct data_ring ring, struct sk_buff skb,
101	struct ieee80211_tx_control *control);
102
103	/*
104	* RX data handlers.
105	*/
106	void rt2x00pci_rxdone(struct rt2x00_dev *rt2x00dev);
107
108	/*
109	* Device initialization handlers.
110	*/
111	int rt2x00pci_initialize(struct rt2x00_dev *rt2x00dev);
112	void rt2x00pci_uninitialize(struct rt2x00_dev *rt2x00dev);
113
114	/*
115	* PCI driver handlers.
116	*/
117	int rt2x00pci_probe(struct pci_dev pci_dev, const struct pci_device_id id);
118	void rt2x00pci_remove(struct pci_dev *pci_dev);
119	#ifdef CONFIG_PM
120	int rt2x00pci_suspend(struct pci_dev *pci_dev, pm_message_t state);
121	int rt2x00pci_resume(struct pci_dev *pci_dev);
122	#else
123	#define rt2x00pci_suspend NULL
124	#define rt2x00pci_resume NULL
125	#endif /* CONFIG_PM */
126
127	#endif /* RT2X00PCI_H */