aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/media/pci/solo6x10/solo6x10.h
blob: 1ca54b08b3aaaf400a9095bd4d241510ab7b8059 (plain) (blame)
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
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
/*
 * Copyright (C) 2010-2013 Bluecherry, LLC <http://www.bluecherrydvr.com>
 *
 * Original author:
 * Ben Collins <bcollins@ubuntu.com>
 *
 * Additional work by:
 * John Brooks <john.brooks@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.
 */

#ifndef __SOLO6X10_H
#define __SOLO6X10_H

#include <linux/pci.h>
#include <linux/i2c.h>
#include <linux/mutex.h>
#include <linux/list.h>
#include <linux/wait.h>
#include <linux/stringify.h>
#include <linux/io.h>
#include <linux/atomic.h>
#include <linux/slab.h>
#include <linux/videodev2.h>

#include <media/v4l2-dev.h>
#include <media/v4l2-device.h>
#include <media/v4l2-ctrls.h>
#include <media/videobuf2-core.h>

#include "solo6x10-regs.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 */

/* Used in pci_device_id, and solo_dev->type */
#define SOLO_DEV_6010			0
#define SOLO_DEV_6110			1

#define SOLO6X10_NAME			"solo6x10"

#define SOLO_MAX_CHANNELS		16

#define SOLO6X10_VERSION		"3.0.0"

/*
 * 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
#define SOLO_P2M_DESC_SIZE		(SOLO_NR_P2M_DESC * 16)

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

#define SOLO_DEFAULT_QP			3

#define SOLO_CID_CUSTOM_BASE		(V4L2_CID_USER_BASE | 0xf000)
#define V4L2_CID_MOTION_TRACE		(SOLO_CID_CUSTOM_BASE+2)
#define V4L2_CID_OSD_TEXT		(SOLO_CID_CUSTOM_BASE+3)

/*
 * Motion thresholds are in a table of 64x64 samples, with
 * each sample representing 16x16 pixels of the source. In
 * effect, 44x30 samples are used for NTSC, and 44x36 for PAL.
 * The 5th sample on the 10th row is (10*64)+5 = 645.
 *
 * Internally it is stored as a 45x45 array (45*16 = 720, which is the
 * maximum PAL/NTSC width).
 */
#define SOLO_MOTION_SZ (45)

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

/* Defined in Table 4-16, Page 68-69 of the 6010 Datasheet */
struct solo_p2m_desc {
	u32	ctrl;
	u32	cfg;
	u32	dma_addr;
	u32	ext_addr;
};

struct solo_p2m_dev {
	struct mutex		mutex;
	struct completion	completion;
	int			desc_count;
	int			desc_idx;
	struct solo_p2m_desc	*descs;
	int			error;
};

#define OSD_TEXT_MAX		44

struct solo_vb2_buf {
	struct vb2_buffer vb;
	struct list_head list;
};

enum solo_enc_types {
	SOLO_ENC_TYPE_STD,
	SOLO_ENC_TYPE_EXT,
};

struct solo_enc_dev {
	struct solo_dev	*solo_dev;
	/* V4L2 Items */
	struct v4l2_ctrl_handler hdl;
	struct v4l2_ctrl *md_thresholds;
	struct video_device	*vfd;
	/* General accounting */
	struct mutex		lock;
	spinlock_t		motion_lock;
	u8			ch;
	u8			mode, gop, qp, interlaced, interval;
	u8			bw_weight;
	u16			motion_thresh;
	bool			motion_global;
	bool			motion_enabled;
	u16			width;
	u16			height;

	/* OSD buffers */
	char			osd_text[OSD_TEXT_MAX + 1];
	u8			osd_buf[SOLO_EOSD_EXT_SIZE_MAX]
					__aligned(4);

	/* VOP stuff */
	u8			vop[64];
	int			vop_len;
	u8			jpeg_header[1024];
	int			jpeg_len;

	u32			fmt;
	enum solo_enc_types	type;
	u32			sequence;
	struct vb2_queue	vidq;
	struct list_head	vidq_active;
	void			*alloc_ctx;
	int			desc_count;
	int			desc_nelts;
	struct solo_p2m_desc	*desc_items;
	dma_addr_t		desc_dma;
	spinlock_t		av_lock;
};

/* The SOLO6x10 PCI Device */
struct solo_dev {
	/* General stuff */
	struct pci_dev		*pdev;
	int			type;
	unsigned int		time_sync;
	unsigned int		usec_lsb;
	unsigned int		clock_mhz;
	u8 __iomem		*reg_base;
	int			nr_chans;
	int			nr_ext;
	u32			irq_mask;
	u32			motion_mask;
	spinlock_t		reg_io_lock;
	struct v4l2_device	v4l2_dev;

	/* 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];
	atomic_t		p2m_count;
	int			p2m_jiffies;
	unsigned int		p2m_timeouts;

	/* 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;
	struct v4l2_ctrl_handler disp_hdl;

	/* V4L2 Encoder items */
	struct solo_enc_dev	*v4l2_enc[SOLO_MAX_CHANNELS];
	u16			enc_bw_remain;
	/* IDX into hw mp4 encoder */
	u8			enc_idx;

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

	/* JPEG Qp setting */
	spinlock_t      jpeg_qp_lock;
	u32		jpeg_qp[2];

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

	/* sysfs stuffs */
	struct device		dev;
	int			sdram_size;
	struct bin_attribute	sdram_attr;
	unsigned int		sys_config;

	/* Ring thread */
	struct task_struct	*ring_thread;
	wait_queue_head_t	ring_thread_wait;

	/* VOP_HEADER handling */
	void                    *vh_buf;
	dma_addr_t		vh_dma;
	int			vh_size;

	/* Buffer handling */
	struct vb2_queue	vidq;
	struct vb2_alloc_ctx	*alloc_ctx;
	u32			sequence;
	struct task_struct      *kthread;
	struct mutex		lock;
	spinlock_t		slock;
	int			old_write;
	struct list_head	vidq_active;
};

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);
}

static inline void solo_irq_on(struct solo_dev *dev, u32 mask)
{
	dev->irq_mask |= mask;
	solo_reg_write(dev, SOLO_IRQ_MASK, dev->irq_mask);
}

static inline void solo_irq_off(struct solo_dev *dev, u32 mask)
{
	dev->irq_mask &= ~mask;
	solo_reg_write(dev, SOLO_IRQ_MASK, dev->irq_mask);
}

/* Init/exit routines 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, unsigned nr);
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, unsigned nr);
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);
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, int wr,
		   dma_addr_t dma_addr, u32 ext_addr, u32 size,
		   int repeat, u32 ext_size);
int solo_p2m_dma(struct solo_dev *solo_dev, int wr,
		 void *sys_addr, u32 ext_addr, u32 size,
		 int repeat, u32 ext_size);
void solo_p2m_fill_desc(struct solo_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,
		      struct solo_p2m_desc *desc, dma_addr_t desc_dma,
		      int desc_cnt);

/* Global s_std ioctl */
int solo_set_video_type(struct solo_dev *solo_dev, bool is_50hz);
void solo_update_mode(struct solo_enc_dev *solo_enc);

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

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

/* EEPROM commands */
unsigned int solo_eeprom_ewen(struct solo_dev *solo_dev, int w_en);
__be16 solo_eeprom_read(struct solo_dev *solo_dev, int loc);
int solo_eeprom_write(struct solo_dev *solo_dev, int loc,
		      __be16 data);

/* JPEG Qp functions */
void solo_s_jpeg_qp(struct solo_dev *solo_dev, unsigned int ch,
		    unsigned int qp);
int solo_g_jpeg_qp(struct solo_dev *solo_dev, unsigned int ch);

#define CHK_FLAGS(v, flags) (((v) & (flags)) == (flags))

#endif /* __SOLO6X10_H */