summaryrefslogtreecommitdiff
path: root/drivers/media/video/meye.h
blob: 5f70a106ba2bbc8597256a8d0443d75fbb98416b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
/*
 * Motion Eye video4linux driver for Sony Vaio PictureBook
 *
 * Copyright (C) 2001-2004 Stelian Pop <stelian@popies.net>
 *
 * Copyright (C) 2001-2002 Alcôve <www.alcove.com>
 *
 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
 *
 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
 *
 * Some parts borrowed from various video4linux drivers, especially
 * bttv-driver.c and zoran.c, see original files for credits.
 *
 * 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.
 */

#ifndef _MEYE_PRIV_H_
#define _MEYE_PRIV_H_

#define MEYE_DRIVER_MAJORVERSION	 1
#define MEYE_DRIVER_MINORVERSION	13

#define MEYE_DRIVER_VERSION __stringify(MEYE_DRIVER_MAJORVERSION) "." \
			    __stringify(MEYE_DRIVER_MINORVERSION)

#include <linux/types.h>
#include <linux/pci.h>
#include <linux/kfifo.h>

/****************************************************************************/
/* Motion JPEG chip registers                                               */
/****************************************************************************/

/* Motion JPEG chip PCI configuration registers */
#define MCHIP_PCI_POWER_CSR		0x54
#define MCHIP_PCI_MCORE_STATUS		0x60		/* see HIC_STATUS   */
#define MCHIP_PCI_HOSTUSEREQ_SET	0x64
#define MCHIP_PCI_HOSTUSEREQ_CLR	0x68
#define MCHIP_PCI_LOWPOWER_SET		0x6c
#define MCHIP_PCI_LOWPOWER_CLR		0x70
#define MCHIP_PCI_SOFTRESET_SET		0x74

/* Motion JPEG chip memory mapped registers */
#define MCHIP_MM_REGS			0x200		/* 512 bytes        */
#define MCHIP_REG_TIMEOUT		1000		/* reg access, ~us  */
#define MCHIP_MCC_VRJ_TIMEOUT		1000		/* MCC & VRJ access */

#define MCHIP_MM_PCI_MODE		0x00		/* PCI access mode */
#define MCHIP_MM_PCI_MODE_RETRY		0x00000001	/* retry mode */
#define MCHIP_MM_PCI_MODE_MASTER	0x00000002	/* master access */
#define MCHIP_MM_PCI_MODE_READ_LINE	0x00000004	/* read line */

#define MCHIP_MM_INTA			0x04		/* Int status/mask */
#define MCHIP_MM_INTA_MCC		0x00000001	/* MCC interrupt */
#define MCHIP_MM_INTA_VRJ		0x00000002	/* VRJ interrupt */
#define MCHIP_MM_INTA_HIC_1		0x00000004	/* one frame done */
#define MCHIP_MM_INTA_HIC_1_MASK	0x00000400	/* 1: enable */
#define MCHIP_MM_INTA_HIC_END		0x00000008	/* all frames done */
#define MCHIP_MM_INTA_HIC_END_MASK	0x00000800
#define MCHIP_MM_INTA_JPEG		0x00000010	/* decompress. error */
#define MCHIP_MM_INTA_JPEG_MASK		0x00001000
#define MCHIP_MM_INTA_CAPTURE		0x00000020	/* capture end */
#define MCHIP_MM_INTA_PCI_ERR		0x00000040	/* PCI error */
#define MCHIP_MM_INTA_PCI_ERR_MASK	0x00004000

#define MCHIP_MM_PT_ADDR		0x08		/* page table address*/
							/* n*4kB */
#define MCHIP_NB_PAGES			1024		/* pages for display */
#define MCHIP_NB_PAGES_MJPEG		256		/* pages for mjpeg */

#define MCHIP_MM_FIR(n)			(0x0c+(n)*4)	/* Frame info 0-3 */
#define MCHIP_MM_FIR_RDY		0x00000001	/* frame ready */
#define MCHIP_MM_FIR_FAILFR_MASK	0xf8000000	/* # of failed frames */
#define MCHIP_MM_FIR_FAILFR_SHIFT	27

	/* continuous comp/decomp mode */
#define MCHIP_MM_FIR_C_ENDL_MASK	0x000007fe	/* end DW [10] */
#define MCHIP_MM_FIR_C_ENDL_SHIFT	1
#define MCHIP_MM_FIR_C_ENDP_MASK	0x0007f800	/* end page [8] */
#define MCHIP_MM_FIR_C_ENDP_SHIFT	11
#define MCHIP_MM_FIR_C_STARTP_MASK	0x07f80000	/* start page [8] */
#define MCHIP_MM_FIR_C_STARTP_SHIFT	19

	/* continuous picture output mode */
#define MCHIP_MM_FIR_O_STARTP_MASK	0x7ffe0000	/* start page [10] */
#define MCHIP_MM_FIR_O_STARTP_SHIFT	17

#define MCHIP_MM_FIFO_DATA		0x1c		/* PCI TGT FIFO data */
#define MCHIP_MM_FIFO_STATUS		0x20		/* PCI TGT FIFO stat */
#define MCHIP_MM_FIFO_MASK		0x00000003
#define MCHIP_MM_FIFO_WAIT_OR_READY	0x00000002      /* Bits common to WAIT & READY*/
#define MCHIP_MM_FIFO_IDLE		0x0		/* HIC idle */
#define MCHIP_MM_FIFO_IDLE1		0x1		/* idem ??? */
#define	MCHIP_MM_FIFO_WAIT		0x2		/* wait request */
#define MCHIP_MM_FIFO_READY		0x3		/* data ready */

#define MCHIP_HIC_HOST_USEREQ		0x40		/* host uses MCORE */

#define MCHIP_HIC_TP_BUSY		0x44		/* taking picture */

#define MCHIP_HIC_PIC_SAVED		0x48		/* pic in SDRAM */

#define MCHIP_HIC_LOWPOWER		0x4c		/* clock stopped */

#define MCHIP_HIC_CTL			0x50		/* HIC control */
#define MCHIP_HIC_CTL_SOFT_RESET	0x00000001	/* MCORE reset */
#define MCHIP_HIC_CTL_MCORE_RDY		0x00000002	/* MCORE ready */

#define MCHIP_HIC_CMD			0x54		/* HIC command */
#define MCHIP_HIC_CMD_BITS		0x00000003      /* cmd width=[1:0]*/
#define MCHIP_HIC_CMD_NOOP		0x0
#define MCHIP_HIC_CMD_START		0x1
#define MCHIP_HIC_CMD_STOP		0x2

#define MCHIP_HIC_MODE			0x58
#define MCHIP_HIC_MODE_NOOP		0x0
#define MCHIP_HIC_MODE_STILL_CAP	0x1		/* still pic capt */
#define MCHIP_HIC_MODE_DISPLAY		0x2		/* display */
#define MCHIP_HIC_MODE_STILL_COMP	0x3		/* still pic comp. */
#define MCHIP_HIC_MODE_STILL_DECOMP	0x4		/* still pic decomp. */
#define MCHIP_HIC_MODE_CONT_COMP	0x5		/* cont capt+comp */
#define MCHIP_HIC_MODE_CONT_DECOMP	0x6		/* cont decomp+disp */
#define MCHIP_HIC_MODE_STILL_OUT	0x7		/* still pic output */
#define MCHIP_HIC_MODE_CONT_OUT		0x8		/* cont output */

#define MCHIP_HIC_STATUS		0x5c
#define MCHIP_HIC_STATUS_MCC_RDY	0x00000001	/* MCC reg acc ok */
#define MCHIP_HIC_STATUS_VRJ_RDY	0x00000002	/* VRJ reg acc ok */
#define MCHIP_HIC_STATUS_IDLE           0x00000003
#define MCHIP_HIC_STATUS_CAPDIS		0x00000004	/* cap/disp in prog */
#define MCHIP_HIC_STATUS_COMPDEC	0x00000008	/* (de)comp in prog */
#define MCHIP_HIC_STATUS_BUSY		0x00000010	/* HIC busy */

#define MCHIP_HIC_S_RATE		0x60		/* MJPEG # frames */

#define MCHIP_HIC_PCI_VFMT		0x64		/* video format */
#define MCHIP_HIC_PCI_VFMT_YVYU		0x00000001	/* 0: V Y' U Y */
							/* 1: Y' V Y U */

#define MCHIP_MCC_CMD			0x80		/* MCC commands */
#define MCHIP_MCC_CMD_INITIAL		0x0		/* idle ? */
#define MCHIP_MCC_CMD_IIC_START_SET	0x1
#define MCHIP_MCC_CMD_IIC_END_SET	0x2
#define MCHIP_MCC_CMD_FM_WRITE		0x3		/* frame memory */
#define MCHIP_MCC_CMD_FM_READ		0x4
#define MCHIP_MCC_CMD_FM_STOP		0x5
#define MCHIP_MCC_CMD_CAPTURE		0x6
#define MCHIP_MCC_CMD_DISPLAY		0x7
#define MCHIP_MCC_CMD_END_DISP		0x8
#define MCHIP_MCC_CMD_STILL_COMP	0x9
#define MCHIP_MCC_CMD_STILL_DECOMP	0xa
#define MCHIP_MCC_CMD_STILL_OUTPUT	0xb
#define MCHIP_MCC_CMD_CONT_OUTPUT	0xc
#define MCHIP_MCC_CMD_CONT_COMP		0xd
#define MCHIP_MCC_CMD_CONT_DECOMP	0xe
#define MCHIP_MCC_CMD_RESET		0xf		/* MCC reset */

#define MCHIP_MCC_IIC_WR		0x84

#define MCHIP_MCC_MCC_WR		0x88

#define MCHIP_MCC_MCC_RD		0x8c

#define MCHIP_MCC_STATUS		0x90
#define MCHIP_MCC_STATUS_CAPT		0x00000001	/* capturing */
#define MCHIP_MCC_STATUS_DISP		0x00000002	/* displaying */
#define MCHIP_MCC_STATUS_COMP		0x00000004	/* compressing */
#define MCHIP_MCC_STATUS_DECOMP		0x00000008	/* decompressing */
#define MCHIP_MCC_STATUS_MCC_WR		0x00000010	/* register ready */
#define MCHIP_MCC_STATUS_MCC_RD		0x00000020	/* register ready */
#define MCHIP_MCC_STATUS_IIC_WR		0x00000040	/* register ready */
#define MCHIP_MCC_STATUS_OUTPUT		0x00000080	/* output in prog */

#define MCHIP_MCC_SIG_POLARITY		0x94
#define MCHIP_MCC_SIG_POL_VS_H		0x00000001	/* VS active-high */
#define MCHIP_MCC_SIG_POL_HS_H		0x00000002	/* HS active-high */
#define MCHIP_MCC_SIG_POL_DOE_H		0x00000004	/* DOE active-high */

#define MCHIP_MCC_IRQ			0x98
#define MCHIP_MCC_IRQ_CAPDIS_STRT	0x00000001	/* cap/disp started */
#define MCHIP_MCC_IRQ_CAPDIS_STRT_MASK	0x00000010
#define MCHIP_MCC_IRQ_CAPDIS_END	0x00000002	/* cap/disp ended */
#define MCHIP_MCC_IRQ_CAPDIS_END_MASK	0x00000020
#define MCHIP_MCC_IRQ_COMPDEC_STRT	0x00000004	/* (de)comp started */
#define MCHIP_MCC_IRQ_COMPDEC_STRT_MASK	0x00000040
#define MCHIP_MCC_IRQ_COMPDEC_END	0x00000008	/* (de)comp ended */
#define MCHIP_MCC_IRQ_COMPDEC_END_MASK	0x00000080

#define MCHIP_MCC_HSTART		0x9c		/* video in */
#define MCHIP_MCC_VSTART		0xa0
#define MCHIP_MCC_HCOUNT		0xa4
#define MCHIP_MCC_VCOUNT		0xa8
#define MCHIP_MCC_R_XBASE		0xac		/* capt/disp */
#define MCHIP_MCC_R_YBASE		0xb0
#define MCHIP_MCC_R_XRANGE		0xb4
#define MCHIP_MCC_R_YRANGE		0xb8
#define MCHIP_MCC_B_XBASE		0xbc		/* comp/decomp */
#define MCHIP_MCC_B_YBASE		0xc0
#define MCHIP_MCC_B_XRANGE		0xc4
#define MCHIP_MCC_B_YRANGE		0xc8

#define MCHIP_MCC_R_SAMPLING		0xcc		/* 1: 1:4 */

#define MCHIP_VRJ_CMD			0x100		/* VRJ commands */

/* VRJ registers (see table 12.2.4) */
#define MCHIP_VRJ_COMPRESSED_DATA	0x1b0
#define MCHIP_VRJ_PIXEL_DATA		0x1b8

#define MCHIP_VRJ_BUS_MODE		0x100
#define MCHIP_VRJ_SIGNAL_ACTIVE_LEVEL	0x108
#define MCHIP_VRJ_PDAT_USE		0x110
#define MCHIP_VRJ_MODE_SPECIFY		0x118
#define MCHIP_VRJ_LIMIT_COMPRESSED_LO	0x120
#define MCHIP_VRJ_LIMIT_COMPRESSED_HI	0x124
#define MCHIP_VRJ_COMP_DATA_FORMAT	0x128
#define MCHIP_VRJ_TABLE_DATA		0x140
#define MCHIP_VRJ_RESTART_INTERVAL	0x148
#define MCHIP_VRJ_NUM_LINES		0x150
#define MCHIP_VRJ_NUM_PIXELS		0x158
#define MCHIP_VRJ_NUM_COMPONENTS	0x160
#define MCHIP_VRJ_SOF1			0x168
#define MCHIP_VRJ_SOF2			0x170
#define MCHIP_VRJ_SOF3			0x178
#define MCHIP_VRJ_SOF4			0x180
#define MCHIP_VRJ_SOS			0x188
#define MCHIP_VRJ_SOFT_RESET		0x190

#define MCHIP_VRJ_STATUS		0x1c0
#define MCHIP_VRJ_STATUS_BUSY		0x00001
#define MCHIP_VRJ_STATUS_COMP_ACCESS	0x00002
#define MCHIP_VRJ_STATUS_PIXEL_ACCESS	0x00004
#define MCHIP_VRJ_STATUS_ERROR		0x00008

#define MCHIP_VRJ_IRQ_FLAG		0x1c8
#define MCHIP_VRJ_ERROR_REPORT		0x1d8

#define MCHIP_VRJ_START_COMMAND		0x1a0

/****************************************************************************/
/* Driver definitions.                                                      */
/****************************************************************************/

/* Sony Programmable I/O Controller for accessing the camera commands */
#include <linux/sony-laptop.h>

/* private API definitions */
#include <linux/meye.h>
#include <linux/mutex.h>


/* Enable jpg software correction */
#define MEYE_JPEG_CORRECTION	1

/* Maximum size of a buffer */
#define MEYE_MAX_BUFSIZE	614400	/* 640 * 480 * 2 */

/* Maximum number of buffers */
#define MEYE_MAX_BUFNBRS	32

/* State of a buffer */
#define MEYE_BUF_UNUSED	0	/* not used */
#define MEYE_BUF_USING	1	/* currently grabbing / playing */
#define MEYE_BUF_DONE	2	/* done */

/* grab buffer */
struct meye_grab_buffer {
	int state;			/* state of buffer */
	unsigned long size;		/* size of jpg frame */
	struct timeval timestamp;	/* timestamp */
	unsigned long sequence;		/* sequence number */
};

/* size of kfifos containings buffer indices */
#define MEYE_QUEUE_SIZE	MEYE_MAX_BUFNBRS

/* Motion Eye device structure */
struct meye {
	struct pci_dev *mchip_dev;	/* pci device */
	u8 mchip_irq;			/* irq */
	u8 mchip_mode;			/* actual mchip mode: HIC_MODE... */
	u8 mchip_fnum;			/* current mchip frame number */
	unsigned char __iomem *mchip_mmregs;/* mchip: memory mapped registers */
	u8 *mchip_ptable[MCHIP_NB_PAGES];/* mchip: ptable */
	void *mchip_ptable_toc;		/* mchip: ptable toc */
	dma_addr_t mchip_dmahandle;	/* mchip: dma handle to ptable toc */
	unsigned char *grab_fbuffer;	/* capture framebuffer */
	unsigned char *grab_temp;	/* temporary buffer */
					/* list of buffers */
	struct meye_grab_buffer grab_buffer[MEYE_MAX_BUFNBRS];
	int vma_use_count[MEYE_MAX_BUFNBRS]; /* mmap count */
	struct mutex lock;		/* mutex for open/mmap... */
	struct kfifo *grabq;		/* queue for buffers to be grabbed */
	spinlock_t grabq_lock;		/* lock protecting the queue */
	struct kfifo *doneq;		/* queue for grabbed buffers */
	spinlock_t doneq_lock;		/* lock protecting the queue */
	wait_queue_head_t proc_list;	/* wait queue */
	struct video_device *video_dev;	/* video device parameters */
	struct video_picture picture;	/* video picture parameters */
	struct meye_params params;	/* additional parameters */
	unsigned long in_use;		/* set to 1 if the device is in use */
#ifdef CONFIG_PM
	u8 pm_mchip_mode;		/* old mchip mode */
#endif
};

#endif