[linux-block.git] / drivers / media / video / saa7164 / saa7164.h

/*
 *  Driver for the NXP SAA7164 PCIe bridge
 *
 *  Copyright (c) 2009 Steven Toth <stoth@kernellabs.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., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

/*
	Driver architecture
	*******************

	saa7164_core.c/buffer.c/cards.c/i2c.c/dvb.c
		|	: Standard Linux driver framework for creating
		|	: exposing and managing interfaces to the rest
		|	: of the kernel or userland. Also uses _fw.c to load
		|	: firmware direct into the PCIe bus, bypassing layers.
		V
	saa7164_api..()	: Translate kernel specific functions/features
		|	: into command buffers.
		V
	saa7164_cmd..()	: Manages the flow of command packets on/off,
		|	: the bus. Deal with bus errors, timeouts etc.
		V
	saa7164_bus..() : Manage a read/write memory ring buffer in the
		|	: PCIe Address space.
		|
		|		saa7164_fw...()	: Load any frimware
		|			|	: direct into the device
		V			V
	<- ----------------- PCIe address space -------------------- ->
*/

#include <linux/pci.h>
#include <linux/i2c.h>
#include <linux/i2c-algo-bit.h>
#include <linux/kdev_t.h>

#include <media/tuner.h>
#include <media/tveeprom.h>
#include <media/videobuf-dma-sg.h>
#include <media/videobuf-dvb.h>

#include "saa7164-reg.h"
#include "saa7164-types.h"

#include <linux/version.h>
#include <linux/mutex.h>

#define SAA7164_MAXBOARDS 8

#define UNSET (-1U)
#define SAA7164_BOARD_NOAUTO			UNSET
#define SAA7164_BOARD_UNKNOWN			0
#define SAA7164_BOARD_UNKNOWN_REV2		1
#define SAA7164_BOARD_UNKNOWN_REV3		2
#define SAA7164_BOARD_HAUPPAUGE_HVR2250		3
#define SAA7164_BOARD_HAUPPAUGE_HVR2200		4
#define SAA7164_BOARD_HAUPPAUGE_HVR2200_2	5
#define SAA7164_BOARD_HAUPPAUGE_HVR2200_3	6
#define SAA7164_BOARD_HAUPPAUGE_HVR2250_2	7

#define SAA7164_MAX_UNITS		8
#define SAA7164_TS_NUMBER_OF_LINES	312
#define SAA7164_PT_ENTRIES		16 /* (312 * 188) / 4096 */

#define DBGLVL_FW    4
#define DBGLVL_DVB   8
#define DBGLVL_I2C  16
#define DBGLVL_API  32
#define DBGLVL_CMD  64
#define DBGLVL_BUS 128
#define DBGLVL_IRQ 256
#define DBGLVL_BUF 512

enum port_t {
	SAA7164_MPEG_UNDEFINED = 0,
	SAA7164_MPEG_DVB,
};

enum saa7164_i2c_bus_nr {
	SAA7164_I2C_BUS_0 = 0,
	SAA7164_I2C_BUS_1,
	SAA7164_I2C_BUS_2,
};

enum saa7164_buffer_flags {
	SAA7164_BUFFER_UNDEFINED = 0,
	SAA7164_BUFFER_FREE,
	SAA7164_BUFFER_BUSY,
	SAA7164_BUFFER_FULL
};

enum saa7164_unit_type {
	SAA7164_UNIT_UNDEFINED = 0,
	SAA7164_UNIT_DIGITAL_DEMODULATOR,
	SAA7164_UNIT_ANALOG_DEMODULATOR,
	SAA7164_UNIT_TUNER,
	SAA7164_UNIT_EEPROM,
	SAA7164_UNIT_ZILOG_IRBLASTER,
	SAA7164_UNIT_ENCODER,
};

/* The PCIe bridge doesn't grant direct access to i2c.
 * Instead, you address i2c devices using a uniqely
 * allocated 'unitid' value via a messaging API. This
 * is a problem. The kernel and existing demod/tuner
 * drivers expect to talk 'i2c', so we have to maintain
 * a translation layer, and a series of functions to
 * convert i2c bus + device address into a unit id.
 */
struct saa7164_unit {
	enum saa7164_unit_type type;
	u8	id;
	char	*name;
	enum saa7164_i2c_bus_nr i2c_bus_nr;
	u8	i2c_bus_addr;
	u8	i2c_reg_len;
};

struct saa7164_board {
	char	*name;
	enum port_t porta, portb;
	enum {
		SAA7164_CHIP_UNDEFINED = 0,
		SAA7164_CHIP_REV2,
		SAA7164_CHIP_REV3,
	} chiprev;
	struct	saa7164_unit unit[SAA7164_MAX_UNITS];
};

struct saa7164_subid {
	u16     subvendor;
	u16     subdevice;
	u32     card;
};

struct saa7164_fw_status {

	/* RISC Core details */
	u32	status;
	u32	mode;
	u32	spec;
	u32	inst;
	u32	cpuload;
	u32	remainheap;

	/* Firmware version */
	u32	version;
	u32	major;
	u32	sub;
	u32	rel;
	u32	buildnr;
};

struct saa7164_dvb {
	struct mutex lock;
	struct dvb_adapter adapter;
	struct dvb_frontend *frontend;
	struct dvb_demux demux;
	struct dmxdev dmxdev;
	struct dmx_frontend fe_hw;
	struct dmx_frontend fe_mem;
	struct dvb_net net;
	int feeding;
};

struct saa7164_i2c {
	struct saa7164_dev		*dev;

	enum saa7164_i2c_bus_nr		nr;

	/* I2C I/O */
	struct i2c_adapter		i2c_adap;
	struct i2c_algo_bit_data	i2c_algo;
	struct i2c_client		i2c_client;
	u32				i2c_rc;
};

struct saa7164_tsport;

struct saa7164_buffer {
	struct list_head list;

	u32 nr;

	struct saa7164_tsport *port;

	/* Hardware Specific */
	/* PCI Memory allocations */
	enum saa7164_buffer_flags flags; /* Free, Busy, Full */

	/* A block of page align PCI memory */
	u32 pci_size;	/* PCI allocation size in bytes */
	u64 *cpu;	/* Virtual address */
	dma_addr_t dma;	/* Physical address */

	/* A page table that splits the block into a number of entries */
	u32 pt_size;		/* PCI allocation size in bytes */
	u64 *pt_cpu;		/* Virtual address */
	dma_addr_t pt_dma;	/* Physical address */
};

struct saa7164_tsport {

	struct saa7164_dev *dev;
	int nr;
	enum port_t type;

	struct saa7164_dvb dvb;

	/* HW related stream parameters */
	tmHWStreamParameters_t hw_streamingparams;

	/* DMA configuration values, is seeded during initialization */
	tmComResDMATermDescrHeader_t hwcfg;

	/* hardware specific registers */
	u32 bufcounter;
	u32 pitch;
	u32 bufsize;
	u32 bufoffset;
	u32 bufptr32l;
	u32 bufptr32h;
	u64 bufptr64;

	u32 numpte;	/* Number of entries in array, only valid in head */
	struct mutex dmaqueue_lock;
	struct mutex dummy_dmaqueue_lock;
	struct saa7164_buffer dmaqueue;
	struct saa7164_buffer dummy_dmaqueue;

};

struct saa7164_dev {
	struct list_head	devlist;
	atomic_t		refcount;

	/* pci stuff */
	struct pci_dev	*pci;
	unsigned char	pci_rev, pci_lat;
	int		pci_bus, pci_slot;
	u32		__iomem *lmmio;
	u8		__iomem *bmmio;
	u32		__iomem *lmmio2;
	u8		__iomem *bmmio2;
	int		pci_irqmask;

	/* board details */
	int	nr;
	int	hwrevision;
	u32	board;
	char	name[32];

	/* firmware status */
	struct saa7164_fw_status	fw_status;

	tmComResHWDescr_t		hwdesc;
	tmComResInterfaceDescr_t	intfdesc;
	tmComResBusDescr_t		busdesc;

	tmComResBusInfo_t		bus;

	/* TODO: Urgh, remove volatiles */
	volatile u32			*InterruptStatus;
	volatile u32			*InterruptAck;

	struct cmd			cmds[SAA_CMD_MAX_MSG_UNITS];
	struct mutex			lock;

	/* I2c related */
	struct saa7164_i2c i2c_bus[3];

	/* Transport related */
	struct saa7164_tsport ts1, ts2;

	/* Deferred command/api interrupts handling */
	struct work_struct workcmd;

};

extern struct list_head saa7164_devlist;

/* ----------------------------------------------------------- */
/* saa7164-core.c                                              */
void saa7164_dumpregs(struct saa7164_dev *dev, u32 addr);
void saa7164_dumphex16(struct saa7164_dev *dev, u8 *buf, int len);
void saa7164_getfirmwarestatus(struct saa7164_dev *dev);
u32 saa7164_getcurrentfirmwareversion(struct saa7164_dev *dev);

/* ----------------------------------------------------------- */
/* saa7164-fw.c                                                */
int saa7164_downloadfirmware(struct saa7164_dev *dev);

/* ----------------------------------------------------------- */
/* saa7164-i2c.c                                               */
extern int saa7164_i2c_register(struct saa7164_i2c *bus);
extern int saa7164_i2c_unregister(struct saa7164_i2c *bus);
extern void saa7164_call_i2c_clients(struct saa7164_i2c *bus,
	unsigned int cmd, void *arg);

/* ----------------------------------------------------------- */
/* saa7164-bus.c                                               */
int saa7164_bus_setup(struct saa7164_dev *dev);
void saa7164_bus_dump(struct saa7164_dev *dev);
int saa7164_bus_set(struct saa7164_dev *dev, tmComResInfo_t* msg, void *buf);
int saa7164_bus_get(struct saa7164_dev *dev, tmComResInfo_t* msg,
	void *buf, int peekonly);

/* ----------------------------------------------------------- */
/* saa7164-cmd.c                                               */
int saa7164_cmd_send(struct saa7164_dev *dev,
	u8 id, tmComResCmd_t command, u16 controlselector,
	u16 size, void *buf);
void saa7164_cmd_signal(struct saa7164_dev *dev, u8 seqno);

/* ----------------------------------------------------------- */
/* saa7164-api.c                                               */
int saa7164_api_test(struct saa7164_dev *dev);
int saa7164_api_get_fw_version(struct saa7164_dev *dev, u32 *version);
int saa7164_api_enum_subdevs(struct saa7164_dev *dev);
int saa7164_api_i2c_read(struct saa7164_i2c *bus, u8 addr, u32 reglen, u8 *reg,
	u32 datalen, u8 *data);
int saa7164_api_i2c_write(struct saa7164_i2c *bus, u8 addr,
	u32 datalen, u8 *data);
int saa7164_api_dif_write(struct saa7164_i2c *bus, u8 addr,
	u32 datalen, u8 *data);
int saa7164_api_read_eeprom(struct saa7164_dev *dev, u8 *buf, int buflen);
int saa7164_api_set_gpiobit(struct saa7164_dev *dev, u8 unitid, u8 pin);
int saa7164_api_clear_gpiobit(struct saa7164_dev *dev, u8 unitid, u8 pin);
int saa7164_api_transition_port(struct saa7164_tsport *port, u8 mode);

/* ----------------------------------------------------------- */
/* saa7164-cards.c                                             */
extern struct saa7164_board saa7164_boards[];
extern const unsigned int saa7164_bcount;

extern struct saa7164_subid saa7164_subids[];
extern const unsigned int saa7164_idcount;

extern void saa7164_card_list(struct saa7164_dev *dev);
extern void saa7164_gpio_setup(struct saa7164_dev *dev);
extern void saa7164_card_setup(struct saa7164_dev *dev);

extern int saa7164_i2caddr_to_reglen(struct saa7164_i2c *bus, int addr);
extern int saa7164_i2caddr_to_unitid(struct saa7164_i2c *bus, int addr);
extern char *saa7164_unitid_name(struct saa7164_dev *dev, u8 unitid);

/* ----------------------------------------------------------- */
/* saa7164-dvb.c                                               */
extern int saa7164_dvb_register(struct saa7164_tsport *port);
extern int saa7164_dvb_unregister(struct saa7164_tsport *port);

/* ----------------------------------------------------------- */
/* saa7164-buffer.c                                            */
extern struct saa7164_buffer *saa7164_buffer_alloc(struct saa7164_tsport *port,
	u32 len);
extern int saa7164_buffer_dealloc(struct saa7164_tsport *port,
	struct saa7164_buffer *buf);

/* ----------------------------------------------------------- */

extern unsigned int debug;
#define dprintk(level, fmt, arg...)\
	do { if (debug & level)\
		printk(KERN_DEBUG "%s: " fmt, dev->name, ## arg);\
	} while (0)

#define log_warn(fmt, arg...)\
	do { \
		printk(KERN_WARNING "%s: " fmt, dev->name, ## arg);\
	} while (0)

#define log_err(fmt, arg...)\
	do { \
		printk(KERN_ERROR "%s: " fmt, dev->name, ## arg);\
	} while (0)

#define saa7164_readl(reg) readl(dev->lmmio + ((reg) >> 2))
#define saa7164_writel(reg, value) writel((value), dev->lmmio + ((reg) >> 2))


#define saa7164_readb(reg)             readl(dev->bmmio + (reg))
#define saa7164_writeb(reg, value)     writel((value), dev->bmmio + (reg))
Commit	Line	Data
443c1228 ST	1	/*
	2	* Driver for the NXP SAA7164 PCIe bridge
	3	*
	4	* Copyright (c) 2009 Steven Toth <stoth@kernellabs.com>
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	*
	15	* GNU General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU General Public License
	18	* along with this program; if not, write to the Free Software
	19	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
	20	*/
	21
	22	/*
	23	Driver architecture
	24	*******************
	25
	26	saa7164_core.c/buffer.c/cards.c/i2c.c/dvb.c
	27	\| : Standard Linux driver framework for creating
	28	\| : exposing and managing interfaces to the rest
	29	\| : of the kernel or userland. Also uses _fw.c to load
	30	\| : firmware direct into the PCIe bus, bypassing layers.
	31	V
	32	saa7164_api..() : Translate kernel specific functions/features
	33	\| : into command buffers.
	34	V
	35	saa7164_cmd..() : Manages the flow of command packets on/off,
	36	\| : the bus. Deal with bus errors, timeouts etc.
	37	V
	38	saa7164_bus..() : Manage a read/write memory ring buffer in the
	39	\| : PCIe Address space.
	40	\|
	41	\| saa7164_fw...() : Load any frimware
	42	\| \| : direct into the device
	43	V V
	44	<- ----------------- PCIe address space -------------------- ->
	45	*/
	46
	47	#include <linux/pci.h>
	48	#include <linux/i2c.h>
	49	#include <linux/i2c-algo-bit.h>
	50	#include <linux/kdev_t.h>
	51
	52	#include <media/tuner.h>
	53	#include <media/tveeprom.h>
	54	#include <media/videobuf-dma-sg.h>
	55	#include <media/videobuf-dvb.h>
	56
	57	#include "saa7164-reg.h"
	58	#include "saa7164-types.h"
	59
	60	#include <linux/version.h>
	61	#include <linux/mutex.h>
	62
	63	#define SAA7164_MAXBOARDS 8
	64
65	#define UNSET (-1U)
66	#define SAA7164_BOARD_NOAUTO UNSET
67	#define SAA7164_BOARD_UNKNOWN 0
68	#define SAA7164_BOARD_UNKNOWN_REV2 1
69	#define SAA7164_BOARD_UNKNOWN_REV3 2
70	#define SAA7164_BOARD_HAUPPAUGE_HVR2250 3
71	#define SAA7164_BOARD_HAUPPAUGE_HVR2200 4
72	#define SAA7164_BOARD_HAUPPAUGE_HVR2200_2 5
73	#define SAA7164_BOARD_HAUPPAUGE_HVR2200_3 6
74	#define SAA7164_BOARD_HAUPPAUGE_HVR2250_2 7
75
76	#define SAA7164_MAX_UNITS 8
77	#define SAA7164_TS_NUMBER_OF_LINES 312
78	#define SAA7164_PT_ENTRIES 16 /* (312 * 188) / 4096 */
79
80	#define DBGLVL_FW 4
81	#define DBGLVL_DVB 8
82	#define DBGLVL_I2C 16
83	#define DBGLVL_API 32
84	#define DBGLVL_CMD 64
85	#define DBGLVL_BUS 128
86	#define DBGLVL_IRQ 256
87	#define DBGLVL_BUF 512
88
89	enum port_t {
90	SAA7164_MPEG_UNDEFINED = 0,
91	SAA7164_MPEG_DVB,
92	};
93
94	enum saa7164_i2c_bus_nr {
95	SAA7164_I2C_BUS_0 = 0,
96	SAA7164_I2C_BUS_1,
97	SAA7164_I2C_BUS_2,
98	};
99
100	enum saa7164_buffer_flags {
101	SAA7164_BUFFER_UNDEFINED = 0,
102	SAA7164_BUFFER_FREE,
103	SAA7164_BUFFER_BUSY,
104	SAA7164_BUFFER_FULL
105	};
106
107	enum saa7164_unit_type {
108	SAA7164_UNIT_UNDEFINED = 0,
109	SAA7164_UNIT_DIGITAL_DEMODULATOR,
110	SAA7164_UNIT_ANALOG_DEMODULATOR,
111	SAA7164_UNIT_TUNER,
112	SAA7164_UNIT_EEPROM,
113	SAA7164_UNIT_ZILOG_IRBLASTER,
114	SAA7164_UNIT_ENCODER,
115	};
116
117	/* The PCIe bridge doesn't grant direct access to i2c.
118	* Instead, you address i2c devices using a uniqely
119	* allocated 'unitid' value via a messaging API. This
120	* is a problem. The kernel and existing demod/tuner
121	* drivers expect to talk 'i2c', so we have to maintain
122	* a translation layer, and a series of functions to
123	* convert i2c bus + device address into a unit id.
124	*/
125	struct saa7164_unit {
126	enum saa7164_unit_type type;
127	u8 id;
128	char *name;
129	enum saa7164_i2c_bus_nr i2c_bus_nr;
130	u8 i2c_bus_addr;
131	u8 i2c_reg_len;
132	};
133
134	struct saa7164_board {
135	char *name;
136	enum port_t porta, portb;
137	enum {
138	SAA7164_CHIP_UNDEFINED = 0,
139	SAA7164_CHIP_REV2,
140	SAA7164_CHIP_REV3,
141	} chiprev;
142	struct saa7164_unit unit[SAA7164_MAX_UNITS];
143	};
144
145	struct saa7164_subid {
146	u16 subvendor;
147	u16 subdevice;
148	u32 card;
149	};
150
151	struct saa7164_fw_status {
152
153	/* RISC Core details */
154	u32 status;
155	u32 mode;
156	u32 spec;
157	u32 inst;
158	u32 cpuload;
159	u32 remainheap;
160
161	/* Firmware version */
162	u32 version;
163	u32 major;
164	u32 sub;
165	u32 rel;
166	u32 buildnr;
167	};
168
169	struct saa7164_dvb {
170	struct mutex lock;
171	struct dvb_adapter adapter;
172	struct dvb_frontend *frontend;
173	struct dvb_demux demux;
174	struct dmxdev dmxdev;
175	struct dmx_frontend fe_hw;
176	struct dmx_frontend fe_mem;
177	struct dvb_net net;
178	int feeding;
179	};
180
181	struct saa7164_i2c {
182	struct saa7164_dev *dev;
183
184	enum saa7164_i2c_bus_nr nr;
185
186	/* I2C I/O */
187	struct i2c_adapter i2c_adap;
188	struct i2c_algo_bit_data i2c_algo;
189	struct i2c_client i2c_client;
190	u32 i2c_rc;
191	};
192
193	struct saa7164_tsport;
194
195	struct saa7164_buffer {
196	struct list_head list;
197
198	u32 nr;
199
200	struct saa7164_tsport *port;
201
202	/* Hardware Specific */
203	/* PCI Memory allocations */
204	enum saa7164_buffer_flags flags; /* Free, Busy, Full */
205
206	/* A block of page align PCI memory */
207	u32 pci_size; /* PCI allocation size in bytes */
208	u64 cpu; / Virtual address */
209	dma_addr_t dma; /* Physical address */
210
211	/* A page table that splits the block into a number of entries */
212	u32 pt_size; /* PCI allocation size in bytes */
213	u64 pt_cpu; / Virtual address */
214	dma_addr_t pt_dma; /* Physical address */
215	};
216
217	struct saa7164_tsport {
218
219	struct saa7164_dev *dev;
220	int nr;
221	enum port_t type;
222
223	struct saa7164_dvb dvb;
224
225	/* HW related stream parameters */
226	tmHWStreamParameters_t hw_streamingparams;
227
228	/* DMA configuration values, is seeded during initialization */
229	tmComResDMATermDescrHeader_t hwcfg;
230
231	/* hardware specific registers */
232	u32 bufcounter;
233	u32 pitch;
234	u32 bufsize;
235	u32 bufoffset;
236	u32 bufptr32l;
237	u32 bufptr32h;
238	u64 bufptr64;
239
240	u32 numpte; /* Number of entries in array, only valid in head */
241	struct mutex dmaqueue_lock;
242	struct mutex dummy_dmaqueue_lock;
243	struct saa7164_buffer dmaqueue;
244	struct saa7164_buffer dummy_dmaqueue;
245
246	};
247
248	struct saa7164_dev {
249	struct list_head devlist;
250	atomic_t refcount;
251
252	/* pci stuff */
253	struct pci_dev *pci;
254	unsigned char pci_rev, pci_lat;
255	int pci_bus, pci_slot;
256	u32 __iomem *lmmio;
257	u8 __iomem *bmmio;
258	u32 __iomem *lmmio2;
259	u8 __iomem *bmmio2;
260	int pci_irqmask;
261
262	/* board details */
263	int nr;
264	int hwrevision;
265	u32 board;
266	char name[32];
267
268	/* firmware status */
269	struct saa7164_fw_status fw_status;
270
271	tmComResHWDescr_t hwdesc;
272	tmComResInterfaceDescr_t intfdesc;
273	tmComResBusDescr_t busdesc;
274
275	tmComResBusInfo_t bus;
276
277	/* TODO: Urgh, remove volatiles */
278	volatile u32 *InterruptStatus;
279	volatile u32 *InterruptAck;
280
281	struct cmd cmds[SAA_CMD_MAX_MSG_UNITS];
282	struct mutex lock;
283
284	/* I2c related */
285	struct saa7164_i2c i2c_bus[3];
286
287	/* Transport related */
288	struct saa7164_tsport ts1, ts2;
289
290	/* Deferred command/api interrupts handling */
291	struct work_struct workcmd;
292
293	};
294
295	extern struct list_head saa7164_devlist;
296
297	/* ----------------------------------------------------------- */
298	/* saa7164-core.c */
299	void saa7164_dumpregs(struct saa7164_dev *dev, u32 addr);
300	void saa7164_dumphex16(struct saa7164_dev dev, u8 buf, int len);
301	void saa7164_getfirmwarestatus(struct saa7164_dev *dev);
302	u32 saa7164_getcurrentfirmwareversion(struct saa7164_dev *dev);
303
304	/* ----------------------------------------------------------- */
305	/* saa7164-fw.c */
306	int saa7164_downloadfirmware(struct saa7164_dev *dev);
307
308	/* ----------------------------------------------------------- */
309	/* saa7164-i2c.c */
310	extern int saa7164_i2c_register(struct saa7164_i2c *bus);
311	extern int saa7164_i2c_unregister(struct saa7164_i2c *bus);
312	extern void saa7164_call_i2c_clients(struct saa7164_i2c *bus,
313	unsigned int cmd, void *arg);
314
315	/* ----------------------------------------------------------- */
316	/* saa7164-bus.c */
317	int saa7164_bus_setup(struct saa7164_dev *dev);
318	void saa7164_bus_dump(struct saa7164_dev *dev);
319	int saa7164_bus_set(struct saa7164_dev dev, tmComResInfo_t msg, void *buf);
320	int saa7164_bus_get(struct saa7164_dev dev, tmComResInfo_t msg,
321	void *buf, int peekonly);
322
323	/* ----------------------------------------------------------- */
324	/* saa7164-cmd.c */
325	int saa7164_cmd_send(struct saa7164_dev *dev,
326	u8 id, tmComResCmd_t command, u16 controlselector,
327	u16 size, void *buf);
328	void saa7164_cmd_signal(struct saa7164_dev *dev, u8 seqno);
329
330	/* ----------------------------------------------------------- */
331	/* saa7164-api.c */
332	int saa7164_api_test(struct saa7164_dev *dev);
333	int saa7164_api_get_fw_version(struct saa7164_dev dev, u32 version);
334	int saa7164_api_enum_subdevs(struct saa7164_dev *dev);
335	int saa7164_api_i2c_read(struct saa7164_i2c bus, u8 addr, u32 reglen, u8 reg,
336	u32 datalen, u8 *data);
337	int saa7164_api_i2c_write(struct saa7164_i2c *bus, u8 addr,
338	u32 datalen, u8 *data);
339	int saa7164_api_dif_write(struct saa7164_i2c *bus, u8 addr,
340	u32 datalen, u8 *data);
341	int saa7164_api_read_eeprom(struct saa7164_dev dev, u8 buf, int buflen);
342	int saa7164_api_set_gpiobit(struct saa7164_dev *dev, u8 unitid, u8 pin);
343	int saa7164_api_clear_gpiobit(struct saa7164_dev *dev, u8 unitid, u8 pin);
344	int saa7164_api_transition_port(struct saa7164_tsport *port, u8 mode);
345
346	/* ----------------------------------------------------------- */
347	/* saa7164-cards.c */
348	extern struct saa7164_board saa7164_boards[];
349	extern const unsigned int saa7164_bcount;
350
351	extern struct saa7164_subid saa7164_subids[];
352	extern const unsigned int saa7164_idcount;
353
354	extern void saa7164_card_list(struct saa7164_dev *dev);
355	extern void saa7164_gpio_setup(struct saa7164_dev *dev);
356	extern void saa7164_card_setup(struct saa7164_dev *dev);
357
358	extern int saa7164_i2caddr_to_reglen(struct saa7164_i2c *bus, int addr);
359	extern int saa7164_i2caddr_to_unitid(struct saa7164_i2c *bus, int addr);
360	extern char saa7164_unitid_name(struct saa7164_dev dev, u8 unitid);
361
362	/* ----------------------------------------------------------- */
363	/* saa7164-dvb.c */
364	extern int saa7164_dvb_register(struct saa7164_tsport *port);
365	extern int saa7164_dvb_unregister(struct saa7164_tsport *port);
366
367	/* ----------------------------------------------------------- */
368	/* saa7164-buffer.c */
369	extern struct saa7164_buffer saa7164_buffer_alloc(struct saa7164_tsport port,
370	u32 len);
371	extern int saa7164_buffer_dealloc(struct saa7164_tsport *port,
372	struct saa7164_buffer *buf);
373
374	/* ----------------------------------------------------------- */
375
376	extern unsigned int debug;
377	#define dprintk(level, fmt, arg...)\
378	do { if (debug & level)\
379	printk(KERN_DEBUG "%s: " fmt, dev->name, ## arg);\
380	} while (0)
381
382	#define log_warn(fmt, arg...)\
383	do { \
384	printk(KERN_WARNING "%s: " fmt, dev->name, ## arg);\
385	} while (0)
386
387	#define log_err(fmt, arg...)\
388	do { \
389	printk(KERN_ERROR "%s: " fmt, dev->name, ## arg);\
390	} while (0)
391
392	#define saa7164_readl(reg) readl(dev->lmmio + ((reg) >> 2))
207b42c4 ST	393	#define saa7164_writel(reg, value) writel((value), dev->lmmio + ((reg) >> 2))
207b42c4 ST	394
443c1228 ST	395
	396	#define saa7164_readb(reg) readl(dev->bmmio + (reg))
	397	#define saa7164_writeb(reg, value) writel((value), dev->bmmio + (reg))
	398