1 /*
2 * Copyright (C) 2010-2013 Bluecherry, LLC <http://www.bluecherrydvr.com>
3 *
4 * Original author:
5 * Ben Collins <bcollins@ubuntu.com>
6 *
7 * Additional work by:
8 * John Brooks <john.brooks@bluecherry.net>
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
23 */
24
25 #ifndef __SOLO6X10_H
26 #define __SOLO6X10_H
27
28 #include <linux/pci.h>
29 #include <linux/i2c.h>
30 #include <linux/mutex.h>
31 #include <linux/list.h>
32 #include <linux/wait.h>
33 #include <linux/stringify.h>
34 #include <linux/io.h>
35 #include <linux/atomic.h>
36 #include <linux/slab.h>
37 #include <linux/videodev2.h>
38
39 #include <media/v4l2-dev.h>
40 #include <media/v4l2-device.h>
41 #include <media/v4l2-ctrls.h>
42 #include <media/videobuf2-core.h>
43
44 #include "solo6x10-regs.h"
45
46 #ifndef PCI_VENDOR_ID_SOFTLOGIC
47 #define PCI_VENDOR_ID_SOFTLOGIC 0x9413
48 #define PCI_DEVICE_ID_SOLO6010 0x6010
49 #define PCI_DEVICE_ID_SOLO6110 0x6110
50 #endif
51
52 #ifndef PCI_VENDOR_ID_BLUECHERRY
53 #define PCI_VENDOR_ID_BLUECHERRY 0x1BB3
54 /* Neugent Softlogic 6010 based cards */
55 #define PCI_DEVICE_ID_NEUSOLO_4 0x4304
56 #define PCI_DEVICE_ID_NEUSOLO_9 0x4309
57 #define PCI_DEVICE_ID_NEUSOLO_16 0x4310
58 /* Bluecherry Softlogic 6010 based cards */
59 #define PCI_DEVICE_ID_BC_SOLO_4 0x4E04
60 #define PCI_DEVICE_ID_BC_SOLO_9 0x4E09
61 #define PCI_DEVICE_ID_BC_SOLO_16 0x4E10
62 /* Bluecherry Softlogic 6110 based cards */
63 #define PCI_DEVICE_ID_BC_6110_4 0x5304
64 #define PCI_DEVICE_ID_BC_6110_8 0x5308
65 #define PCI_DEVICE_ID_BC_6110_16 0x5310
66 #endif /* Bluecherry */
67
68 /* Used in pci_device_id, and solo_dev->type */
69 #define SOLO_DEV_6010 0
70 #define SOLO_DEV_6110 1
71
72 #define SOLO6X10_NAME "solo6x10"
73
74 #define SOLO_MAX_CHANNELS 16
75
76 #define SOLO6X10_VERSION "3.0.0"
77
78 /*
79 * The SOLO6x10 actually has 8 i2c channels, but we only use 2.
80 * 0 - Techwell chip(s)
81 * 1 - SAA7128
82 */
83 #define SOLO_I2C_ADAPTERS 2
84 #define SOLO_I2C_TW 0
85 #define SOLO_I2C_SAA 1
86
87 /* DMA Engine setup */
88 #define SOLO_NR_P2M 4
89 #define SOLO_NR_P2M_DESC 256
90 #define SOLO_P2M_DESC_SIZE (SOLO_NR_P2M_DESC * 16)
91
92 /* Encoder standard modes */
93 #define SOLO_ENC_MODE_CIF 2
94 #define SOLO_ENC_MODE_HD1 1
95 #define SOLO_ENC_MODE_D1 9
96
97 #define SOLO_DEFAULT_GOP 30
98 #define SOLO_DEFAULT_QP 3
99
100 #ifndef V4L2_BUF_FLAG_MOTION_ON
101 #define V4L2_BUF_FLAG_MOTION_ON 0x10000
102 #define V4L2_BUF_FLAG_MOTION_DETECTED 0x20000
103 #endif
104
105 #define SOLO_CID_CUSTOM_BASE (V4L2_CID_USER_BASE | 0xf000)
106 #define V4L2_CID_MOTION_MODE (SOLO_CID_CUSTOM_BASE+0)
107 #define V4L2_CID_MOTION_THRESHOLD (SOLO_CID_CUSTOM_BASE+1)
108 #define V4L2_CID_MOTION_TRACE (SOLO_CID_CUSTOM_BASE+2)
109 #define V4L2_CID_OSD_TEXT (SOLO_CID_CUSTOM_BASE+3)
110
111 /*
112 * Motion thresholds are in a table of 64x64 samples, with
113 * each sample representing 16x16 pixels of the source. In
114 * effect, 44x30 samples are used for NTSC, and 44x36 for PAL.
115 * The 5th sample on the 10th row is (10*64)+5 = 645.
116 *
117 * Using a 64x64 array will result in a problem on some architectures like
118 * the powerpc where the size of the argument is limited to 13 bits.
119 * Since both PAL and NTSC do not use the full table anyway I've chosen
120 * to limit the array to 45x45 (45*16 = 720, which is the maximum PAL/NTSC
121 * width).
122 */
123 #define SOLO_MOTION_SZ (45)
124 struct solo_motion_thresholds {
125 __u16 thresholds[SOLO_MOTION_SZ][SOLO_MOTION_SZ];
126 };
127
128 #define SOLO_IOC_G_MOTION_THRESHOLDS _IOR('V', BASE_VIDIOC_PRIVATE+0, struct solo_motion_thresholds)
129 #define SOLO_IOC_S_MOTION_THRESHOLDS _IOW('V', BASE_VIDIOC_PRIVATE+1, struct solo_motion_thresholds)
130
131 enum SOLO_I2C_STATE {
132 IIC_STATE_IDLE,
133 IIC_STATE_START,
134 IIC_STATE_READ,
135 IIC_STATE_WRITE,
136 IIC_STATE_STOP
137 };
138
139 /* Defined in Table 4-16, Page 68-69 of the 6010 Datasheet */
140 struct solo_p2m_desc {
141 u32 ctrl;
142 u32 cfg;
143 u32 dma_addr;
144 u32 ext_addr;
145 };
146
147 struct solo_p2m_dev {
148 struct mutex mutex;
149 struct completion completion;
150 int desc_count;
151 int desc_idx;
152 struct solo_p2m_desc *descs;
153 int error;
154 };
155
156 #define OSD_TEXT_MAX 44
157
158 struct solo_vb2_buf {
159 struct vb2_buffer vb;
160 struct list_head list;
161 };
162
163 enum solo_enc_types {
164 SOLO_ENC_TYPE_STD,
165 SOLO_ENC_TYPE_EXT,
166 };
167
168 struct solo_enc_dev {
169 struct solo_dev *solo_dev;
170 /* V4L2 Items */
171 struct v4l2_ctrl_handler hdl;
172 struct video_device *vfd;
173 /* General accounting */
174 struct mutex lock;
175 spinlock_t motion_lock;
176 u8 ch;
177 u8 mode, gop, qp, interlaced, interval;
178 u8 bw_weight;
179 u16 motion_thresh;
180 struct solo_motion_thresholds motion_thresholds;
181 bool motion_global;
182 bool motion_enabled;
183 u16 width;
184 u16 height;
185
186 /* OSD buffers */
187 char osd_text[OSD_TEXT_MAX + 1];
188 u8 osd_buf[SOLO_EOSD_EXT_SIZE_MAX]
189 __aligned(4);
190
191 /* VOP stuff */
192 unsigned char vop[64];
193 int vop_len;
194 unsigned char jpeg_header[1024];
195 int jpeg_len;
196
197 u32 fmt;
198 enum solo_enc_types type;
199 u32 sequence;
200 struct vb2_queue vidq;
201 struct list_head vidq_active;
202 int desc_count;
203 int desc_nelts;
204 struct solo_p2m_desc *desc_items;
205 dma_addr_t desc_dma;
206 spinlock_t av_lock;
207 };
208
209 /* The SOLO6x10 PCI Device */
210 struct solo_dev {
211 /* General stuff */
212 struct pci_dev *pdev;
213 int type;
214 unsigned int time_sync;
215 unsigned int usec_lsb;
216 unsigned int clock_mhz;
217 u8 __iomem *reg_base;
218 int nr_chans;
219 int nr_ext;
220 u32 irq_mask;
221 u32 motion_mask;
222 spinlock_t reg_io_lock;
223 struct v4l2_device v4l2_dev;
224
225 /* tw28xx accounting */
226 u8 tw2865, tw2864, tw2815;
227 u8 tw28_cnt;
228
229 /* i2c related items */
230 struct i2c_adapter i2c_adap[SOLO_I2C_ADAPTERS];
231 enum SOLO_I2C_STATE i2c_state;
232 struct mutex i2c_mutex;
233 int i2c_id;
234 wait_queue_head_t i2c_wait;
235 struct i2c_msg *i2c_msg;
236 unsigned int i2c_msg_num;
237 unsigned int i2c_msg_ptr;
238
239 /* P2M DMA Engine */
240 struct solo_p2m_dev p2m_dev[SOLO_NR_P2M];
241 atomic_t p2m_count;
242 int p2m_jiffies;
243 unsigned int p2m_timeouts;
244
245 /* V4L2 Display items */
246 struct video_device *vfd;
247 unsigned int erasing;
248 unsigned int frame_blank;
249 u8 cur_disp_ch;
250 wait_queue_head_t disp_thread_wait;
251 struct v4l2_ctrl_handler disp_hdl;
252
253 /* V4L2 Encoder items */
254 struct solo_enc_dev *v4l2_enc[SOLO_MAX_CHANNELS];
255 u16 enc_bw_remain;
256 /* IDX into hw mp4 encoder */
257 u8 enc_idx;
258
259 /* Current video settings */
260 u32 video_type;
261 u16 video_hsize, video_vsize;
262 u16 vout_hstart, vout_vstart;
263 u16 vin_hstart, vin_vstart;
264 u8 fps;
265
266 /* JPEG Qp setting */
267 spinlock_t jpeg_qp_lock;
268 u32 jpeg_qp[2];
269
270 /* Audio components */
271 struct snd_card *snd_card;
272 struct snd_pcm *snd_pcm;
273 atomic_t snd_users;
274 int g723_hw_idx;
275
276 /* sysfs stuffs */
277 struct device dev;
278 int sdram_size;
279 struct bin_attribute sdram_attr;
280 unsigned int sys_config;
281
282 /* Ring thread */
283 struct task_struct *ring_thread;
284 wait_queue_head_t ring_thread_wait;
285
286 /* VOP_HEADER handling */
287 void *vh_buf;
288 dma_addr_t vh_dma;
289 int vh_size;
290
291 /* Buffer handling */
292 struct vb2_queue vidq;
293 struct vb2_alloc_ctx *alloc_ctx;
294 u32 sequence;
295 struct task_struct *kthread;
296 struct mutex lock;
297 spinlock_t slock;
298 int old_write;
299 struct list_head vidq_active;
300 };
301
solo_reg_read(struct solo_dev * solo_dev,int reg)302 static inline u32 solo_reg_read(struct solo_dev *solo_dev, int reg)
303 {
304 unsigned long flags;
305 u32 ret;
306 u16 val;
307
308 spin_lock_irqsave(&solo_dev->reg_io_lock, flags);
309
310 ret = readl(solo_dev->reg_base + reg);
311 rmb();
312 pci_read_config_word(solo_dev->pdev, PCI_STATUS, &val);
313 rmb();
314
315 spin_unlock_irqrestore(&solo_dev->reg_io_lock, flags);
316
317 return ret;
318 }
319
solo_reg_write(struct solo_dev * solo_dev,int reg,u32 data)320 static inline void solo_reg_write(struct solo_dev *solo_dev, int reg,
321 u32 data)
322 {
323 unsigned long flags;
324 u16 val;
325
326 spin_lock_irqsave(&solo_dev->reg_io_lock, flags);
327
328 writel(data, solo_dev->reg_base + reg);
329 wmb();
330 pci_read_config_word(solo_dev->pdev, PCI_STATUS, &val);
331 rmb();
332
333 spin_unlock_irqrestore(&solo_dev->reg_io_lock, flags);
334 }
335
solo_irq_on(struct solo_dev * dev,u32 mask)336 static inline void solo_irq_on(struct solo_dev *dev, u32 mask)
337 {
338 dev->irq_mask |= mask;
339 solo_reg_write(dev, SOLO_IRQ_MASK, dev->irq_mask);
340 }
341
solo_irq_off(struct solo_dev * dev,u32 mask)342 static inline void solo_irq_off(struct solo_dev *dev, u32 mask)
343 {
344 dev->irq_mask &= ~mask;
345 solo_reg_write(dev, SOLO_IRQ_MASK, dev->irq_mask);
346 }
347
348 /* Init/exit routines for subsystems */
349 int solo_disp_init(struct solo_dev *solo_dev);
350 void solo_disp_exit(struct solo_dev *solo_dev);
351
352 int solo_gpio_init(struct solo_dev *solo_dev);
353 void solo_gpio_exit(struct solo_dev *solo_dev);
354
355 int solo_i2c_init(struct solo_dev *solo_dev);
356 void solo_i2c_exit(struct solo_dev *solo_dev);
357
358 int solo_p2m_init(struct solo_dev *solo_dev);
359 void solo_p2m_exit(struct solo_dev *solo_dev);
360
361 int solo_v4l2_init(struct solo_dev *solo_dev, unsigned nr);
362 void solo_v4l2_exit(struct solo_dev *solo_dev);
363
364 int solo_enc_init(struct solo_dev *solo_dev);
365 void solo_enc_exit(struct solo_dev *solo_dev);
366
367 int solo_enc_v4l2_init(struct solo_dev *solo_dev, unsigned nr);
368 void solo_enc_v4l2_exit(struct solo_dev *solo_dev);
369
370 int solo_g723_init(struct solo_dev *solo_dev);
371 void solo_g723_exit(struct solo_dev *solo_dev);
372
373 /* ISR's */
374 int solo_i2c_isr(struct solo_dev *solo_dev);
375 void solo_p2m_isr(struct solo_dev *solo_dev, int id);
376 void solo_p2m_error_isr(struct solo_dev *solo_dev);
377 void solo_enc_v4l2_isr(struct solo_dev *solo_dev);
378 void solo_g723_isr(struct solo_dev *solo_dev);
379 void solo_motion_isr(struct solo_dev *solo_dev);
380 void solo_video_in_isr(struct solo_dev *solo_dev);
381
382 /* i2c read/write */
383 u8 solo_i2c_readbyte(struct solo_dev *solo_dev, int id, u8 addr, u8 off);
384 void solo_i2c_writebyte(struct solo_dev *solo_dev, int id, u8 addr, u8 off,
385 u8 data);
386
387 /* P2M DMA */
388 int solo_p2m_dma_t(struct solo_dev *solo_dev, int wr,
389 dma_addr_t dma_addr, u32 ext_addr, u32 size,
390 int repeat, u32 ext_size);
391 int solo_p2m_dma(struct solo_dev *solo_dev, int wr,
392 void *sys_addr, u32 ext_addr, u32 size,
393 int repeat, u32 ext_size);
394 void solo_p2m_fill_desc(struct solo_p2m_desc *desc, int wr,
395 dma_addr_t dma_addr, u32 ext_addr, u32 size,
396 int repeat, u32 ext_size);
397 int solo_p2m_dma_desc(struct solo_dev *solo_dev,
398 struct solo_p2m_desc *desc, dma_addr_t desc_dma,
399 int desc_cnt);
400
401 /* Global s_std ioctl */
402 int solo_set_video_type(struct solo_dev *solo_dev, bool type);
403 void solo_update_mode(struct solo_enc_dev *solo_enc);
404
405 /* Set the threshold for motion detection */
406 int solo_set_motion_threshold(struct solo_dev *solo_dev, u8 ch, u16 val);
407 int solo_set_motion_block(struct solo_dev *solo_dev, u8 ch,
408 const struct solo_motion_thresholds *thresholds);
409 #define SOLO_DEF_MOT_THRESH 0x0300
410
411 /* Write text on OSD */
412 int solo_osd_print(struct solo_enc_dev *solo_enc);
413
414 /* EEPROM commands */
415 unsigned int solo_eeprom_ewen(struct solo_dev *solo_dev, int w_en);
416 unsigned short solo_eeprom_read(struct solo_dev *solo_dev, int loc);
417 int solo_eeprom_write(struct solo_dev *solo_dev, int loc,
418 unsigned short data);
419
420 /* JPEG Qp functions */
421 void solo_s_jpeg_qp(struct solo_dev *solo_dev, unsigned int ch,
422 unsigned int qp);
423 int solo_g_jpeg_qp(struct solo_dev *solo_dev, unsigned int ch);
424
425 #define CHK_FLAGS(v, flags) (((v) & (flags)) == (flags))
426
427 #endif /* __SOLO6X10_H */
428