summaryrefslogtreecommitdiffstats
path: root/drivers/staging/solo6x10/solo6x10.h
blob: abee7213202f066c8234ff2a06932627e330170e (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
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
/*
 * Copyright (C) 2010 Bluecherry, LLC www.bluecherrydvr.com
 * Copyright (C) 2010 Ben Collins <bcollins@bluecherry.net>
 *
 * 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.
 */

#ifndef __SOLO6X10_H
#define __SOLO6X10_H

#include <linux/version.h>
#include <linux/pci.h>
#include <linux/i2c.h>
#include <linux/semaphore.h>
#include <linux/mutex.h>
#include <linux/list.h>
#include <linux/wait.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include <asm/io.h>
#include <linux/atomic.h>
#include <linux/videodev2.h>
#include <media/v4l2-dev.h>
#include <media/videobuf-core.h>
#include "registers.h"

#ifndef PCI_VENDOR_ID_SOFTLOGIC
#define PCI_VENDOR_ID_SOFTLOGIC		0x9413
#define PCI_DEVICE_ID_SOLO6010		0x6010
#define PCI_DEVICE_ID_SOLO6110		0x6110
#endif

#ifndef PCI_VENDOR_ID_BLUECHERRY
#define PCI_VENDOR_ID_BLUECHERRY	0x1BB3
/* Neugent Softlogic 6010 based cards */
#define PCI_DEVICE_ID_NEUSOLO_4		0x4304
#define PCI_DEVICE_ID_NEUSOLO_9		0x4309
#define PCI_DEVICE_ID_NEUSOLO_16	0x4310
/* Bluecherry Softlogic 6010 based cards */
#define PCI_DEVICE_ID_BC_SOLO_4		0x4E04
#define PCI_DEVICE_ID_BC_SOLO_9		0x4E09
#define PCI_DEVICE_ID_BC_SOLO_16	0x4E10
/* Bluecherry Softlogic 6110 based cards */
#define PCI_DEVICE_ID_BC_6110_4		0x5304
#define PCI_DEVICE_ID_BC_6110_8		0x5308
#define PCI_DEVICE_ID_BC_6110_16	0x5310
#endif /* Bluecherry */

#define SOLO6X10_NAME			"solo6x10"

#define SOLO_MAX_CHANNELS		16

/* Make sure these two match */
#define SOLO6X10_VERSION		"2.1.0"
#define SOLO6X10_VER_MAJOR		2
#define SOLO6X10_VER_MINOR		0
#define SOLO6X10_VER_SUB		0
#define SOLO6X10_VER_NUM \
	KERNEL_VERSION(SOLO6X10_VER_MAJOR, SOLO6X10_VER_MINOR, SOLO6X10_VER_SUB)

#define FLAGS_6110			1

/*
 * The SOLO6x10 actually has 8 i2c channels, but we only use 2.
 * 0 - Techwell chip(s)
 * 1 - SAA7128
 */
#define SOLO_I2C_ADAPTERS		2
#define SOLO_I2C_TW			0
#define SOLO_I2C_SAA			1

/* DMA Engine setup */
#define SOLO_NR_P2M			4
#define SOLO_NR_P2M_DESC		256
/* MPEG and JPEG share the same interrupt and locks so they must be together
 * in the same dma channel. */
#define SOLO_P2M_DMA_ID_MP4E		0
#define SOLO_P2M_DMA_ID_JPEG		0
#define SOLO_P2M_DMA_ID_MP4D		1
#define SOLO_P2M_DMA_ID_G723D		1
#define SOLO_P2M_DMA_ID_DISP		2
#define SOLO_P2M_DMA_ID_OSG		2
#define SOLO_P2M_DMA_ID_G723E		3
#define SOLO_P2M_DMA_ID_VIN		3

/* Encoder standard modes */
#define SOLO_ENC_MODE_CIF		2
#define SOLO_ENC_MODE_HD1		1
#define SOLO_ENC_MODE_D1		9

#define SOLO_DEFAULT_GOP		30
#define SOLO_DEFAULT_QP			3

/* There is 8MB memory available for solo to buffer MPEG4 frames.
 * This gives us 512 * 16kbyte queues. */
#define SOLO_NR_RING_BUFS		512

#define SOLO_CLOCK_MHZ			108

#ifndef V4L2_BUF_FLAG_MOTION_ON
#define V4L2_BUF_FLAG_MOTION_ON		0x0400
#define V4L2_BUF_FLAG_MOTION_DETECTED	0x0800
#endif
#ifndef V4L2_CID_MOTION_ENABLE
#define PRIVATE_CIDS
#define V4L2_CID_MOTION_ENABLE		(V4L2_CID_PRIVATE_BASE+0)
#define V4L2_CID_MOTION_THRESHOLD	(V4L2_CID_PRIVATE_BASE+1)
#define V4L2_CID_MOTION_TRACE		(V4L2_CID_PRIVATE_BASE+2)
#endif

enum SOLO_I2C_STATE {
	IIC_STATE_IDLE,
	IIC_STATE_START,
	IIC_STATE_READ,
	IIC_STATE_WRITE,
	IIC_STATE_STOP
};

struct p2m_desc {
	u32 ctrl;
	u32 ext;
	u32 ta;
	u32 fa;
};

struct solo_p2m_dev {
	struct mutex		mutex;
	struct completion	completion;
	int			error;
};

#define OSD_TEXT_MAX		30

enum solo_enc_types {
	SOLO_ENC_TYPE_STD,
	SOLO_ENC_TYPE_EXT,
};

struct solo_enc_dev {
	struct solo_dev		*solo_dev;
	/* V4L2 Items */
	struct video_device	*vfd;
	/* General accounting */
	wait_queue_head_t	thread_wait;
	spinlock_t		lock;
	atomic_t		readers;
	u8			ch;
	u8			mode, gop, qp, interlaced, interval;
	u8			reset_gop;
	u8			bw_weight;
	u8			motion_detected;
	u16			motion_thresh;
	u16			width;
	u16			height;
	char			osd_text[OSD_TEXT_MAX + 1];
};

struct solo_enc_buf {
	u8			vop;
	u8			ch;
	enum solo_enc_types	type;
	u32			off;
	u32			size;
	u32			jpeg_off;
	u32			jpeg_size;
	struct timeval		ts;
};

/* The SOLO6x10 PCI Device */
struct solo_dev {
	/* General stuff */
	struct pci_dev		*pdev;
	u8 __iomem		*reg_base;
	int			nr_chans;
	int			nr_ext;
	u32			flags;
	u32			irq_mask;
	u32			motion_mask;
	spinlock_t		reg_io_lock;

	/* tw28xx accounting */
	u8			tw2865, tw2864, tw2815;
	u8			tw28_cnt;

	/* i2c related items */
	struct i2c_adapter	i2c_adap[SOLO_I2C_ADAPTERS];
	enum SOLO_I2C_STATE	i2c_state;
	struct mutex		i2c_mutex;
	int			i2c_id;
	wait_queue_head_t	i2c_wait;
	struct i2c_msg		*i2c_msg;
	unsigned int		i2c_msg_num;
	unsigned int		i2c_msg_ptr;

	/* P2M DMA Engine */
	struct solo_p2m_dev	p2m_dev[SOLO_NR_P2M];

	/* V4L2 Display items */
	struct video_device	*vfd;
	unsigned int		erasing;
	unsigned int		frame_blank;
	u8			cur_disp_ch;
	wait_queue_head_t	disp_thread_wait;

	/* V4L2 Encoder items */
	struct solo_enc_dev	*v4l2_enc[SOLO_MAX_CHANNELS];
	u16			enc_bw_remain;
	/* IDX into hw mp4 encoder */
	u8			enc_idx;
	/* Our software ring of enc buf references */
	u16			enc_wr_idx;
	struct solo_enc_buf	enc_buf[SOLO_NR_RING_BUFS];

	/* Current video settings */
	u32			video_type;
	u16			video_hsize, video_vsize;
	u16			vout_hstart, vout_vstart;
	u16			vin_hstart, vin_vstart;
	u8			fps;

	/* Audio components */
	struct snd_card		*snd_card;
	struct snd_pcm		*snd_pcm;
	atomic_t		snd_users;
	int			g723_hw_idx;
};

static inline u32 solo_reg_read(struct solo_dev *solo_dev, int reg)
{
	unsigned long flags;
	u32 ret;
	u16 val;

	spin_lock_irqsave(&solo_dev->reg_io_lock, flags);

	ret = readl(solo_dev->reg_base + reg);
	rmb();
	pci_read_config_word(solo_dev->pdev, PCI_STATUS, &val);
	rmb();

	spin_unlock_irqrestore(&solo_dev->reg_io_lock, flags);

	return ret;
}

static inline void solo_reg_write(struct solo_dev *solo_dev, int reg, u32 data)
{
	unsigned long flags;
	u16 val;

	spin_lock_irqsave(&solo_dev->reg_io_lock, flags);

	writel(data, solo_dev->reg_base + reg);
	wmb();
	pci_read_config_word(solo_dev->pdev, PCI_STATUS, &val);
	rmb();

	spin_unlock_irqrestore(&solo_dev->reg_io_lock, flags);
}

void solo_irq_on(struct solo_dev *solo_dev, u32 mask);
void solo_irq_off(struct solo_dev *solo_dev, u32 mask);

/* Init/exit routeines for subsystems */
int solo_disp_init(struct solo_dev *solo_dev);
void solo_disp_exit(struct solo_dev *solo_dev);

int solo_gpio_init(struct solo_dev *solo_dev);
void solo_gpio_exit(struct solo_dev *solo_dev);

int solo_i2c_init(struct solo_dev *solo_dev);
void solo_i2c_exit(struct solo_dev *solo_dev);

int solo_p2m_init(struct solo_dev *solo_dev);
void solo_p2m_exit(struct solo_dev *solo_dev);

int solo_v4l2_init(struct solo_dev *solo_dev);
void solo_v4l2_exit(struct solo_dev *solo_dev);

int solo_enc_init(struct solo_dev *solo_dev);
void solo_enc_exit(struct solo_dev *solo_dev);

int solo_enc_v4l2_init(struct solo_dev *solo_dev);
void solo_enc_v4l2_exit(struct solo_dev *solo_dev);

int solo_g723_init(struct solo_dev *solo_dev);
void solo_g723_exit(struct solo_dev *solo_dev);

/* ISR's */
int solo_i2c_isr(struct solo_dev *solo_dev);
void solo_p2m_isr(struct solo_dev *solo_dev, int id);
void solo_p2m_error_isr(struct solo_dev *solo_dev, u32 status);
void solo_enc_v4l2_isr(struct solo_dev *solo_dev);
void solo_g723_isr(struct solo_dev *solo_dev);
void solo_motion_isr(struct solo_dev *solo_dev);
void solo_video_in_isr(struct solo_dev *solo_dev);

/* i2c read/write */
u8 solo_i2c_readbyte(struct solo_dev *solo_dev, int id, u8 addr, u8 off);
void solo_i2c_writebyte(struct solo_dev *solo_dev, int id, u8 addr, u8 off,
			u8 data);

/* P2M DMA */
int solo_p2m_dma_t(struct solo_dev *solo_dev, u8 id, int wr,
		   dma_addr_t dma_addr, u32 ext_addr, u32 size);
int solo_p2m_dma(struct solo_dev *solo_dev, u8 id, int wr,
		 void *sys_addr, u32 ext_addr, u32 size);
int solo_p2m_dma_sg(struct solo_dev *solo_dev, u8 id,
		    struct p2m_desc *pdesc, int wr,
		    struct scatterlist *sglist, u32 sg_off,
		    u32 ext_addr, u32 size);
void solo_p2m_push_desc(struct p2m_desc *desc, int wr, dma_addr_t dma_addr,
			u32 ext_addr, u32 size, int repeat, u32 ext_size);
int solo_p2m_dma_desc(struct solo_dev *solo_dev, u8 id,
		      struct p2m_desc *desc, int desc_count);

/* Set the threshold for motion detection */
void solo_set_motion_threshold(struct solo_dev *solo_dev, u8 ch, u16 val);
#define SOLO_DEF_MOT_THRESH		0x0300

/* Write text on OSD */
int solo_osd_print(struct solo_enc_dev *solo_enc);

#endif /* __SOLO6X10_H */