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
21 #ifndef __SOLO6X10_H
22 #define __SOLO6X10_H
23
24 #include <linux/pci.h>
25 #include <linux/i2c.h>
26 #include <linux/mutex.h>
27 #include <linux/list.h>
28 #include <linux/wait.h>
29 #include <linux/stringify.h>
30 #include <linux/io.h>
31 #include <linux/atomic.h>
32 #include <linux/slab.h>
33 #include <linux/videodev2.h>
34
35 #include <media/v4l2-dev.h>
36 #include <media/v4l2-device.h>
37 #include <media/v4l2-ctrls.h>
38 #include <media/videobuf2-v4l2.h>
39
40 #include "solo6x10-regs.h"
41
42 #ifndef PCI_VENDOR_ID_SOFTLOGIC
43 #define PCI_VENDOR_ID_SOFTLOGIC 0x9413
44 #define PCI_DEVICE_ID_SOLO6010 0x6010
45 #define PCI_DEVICE_ID_SOLO6110 0x6110
46 #endif
47
48 #ifndef PCI_VENDOR_ID_BLUECHERRY
49 #define PCI_VENDOR_ID_BLUECHERRY 0x1BB3
50 /* Neugent Softlogic 6010 based cards */
51 #define PCI_DEVICE_ID_NEUSOLO_4 0x4304
52 #define PCI_DEVICE_ID_NEUSOLO_9 0x4309
53 #define PCI_DEVICE_ID_NEUSOLO_16 0x4310
54 /* Bluecherry Softlogic 6010 based cards */
55 #define PCI_DEVICE_ID_BC_SOLO_4 0x4E04
56 #define PCI_DEVICE_ID_BC_SOLO_9 0x4E09
57 #define PCI_DEVICE_ID_BC_SOLO_16 0x4E10
58 /* Bluecherry Softlogic 6110 based cards */
59 #define PCI_DEVICE_ID_BC_6110_4 0x5304
60 #define PCI_DEVICE_ID_BC_6110_8 0x5308
61 #define PCI_DEVICE_ID_BC_6110_16 0x5310
62 #endif /* Bluecherry */
63
64 /* Used in pci_device_id, and solo_dev->type */
65 #define SOLO_DEV_6010 0
66 #define SOLO_DEV_6110 1
67
68 #define SOLO6X10_NAME "solo6x10"
69
70 #define SOLO_MAX_CHANNELS 16
71
72 #define SOLO6X10_VERSION "3.0.0"
73
74 /*
75 * The SOLO6x10 actually has 8 i2c channels, but we only use 2.
76 * 0 - Techwell chip(s)
77 * 1 - SAA7128
78 */
79 #define SOLO_I2C_ADAPTERS 2
80 #define SOLO_I2C_TW 0
81 #define SOLO_I2C_SAA 1
82
83 /* DMA Engine setup */
84 #define SOLO_NR_P2M 4
85 #define SOLO_NR_P2M_DESC 256
86 #define SOLO_P2M_DESC_SIZE (SOLO_NR_P2M_DESC * 16)
87
88 /* Encoder standard modes */
89 #define SOLO_ENC_MODE_CIF 2
90 #define SOLO_ENC_MODE_HD1 1
91 #define SOLO_ENC_MODE_D1 9
92
93 #define SOLO_DEFAULT_QP 3
94
95 #define SOLO_CID_CUSTOM_BASE (V4L2_CID_USER_BASE | 0xf000)
96 #define V4L2_CID_MOTION_TRACE (SOLO_CID_CUSTOM_BASE+2)
97 #define V4L2_CID_OSD_TEXT (SOLO_CID_CUSTOM_BASE+3)
98
99 /*
100 * Motion thresholds are in a table of 64x64 samples, with
101 * each sample representing 16x16 pixels of the source. In
102 * effect, 44x30 samples are used for NTSC, and 44x36 for PAL.
103 * The 5th sample on the 10th row is (10*64)+5 = 645.
104 *
105 * Internally it is stored as a 45x45 array (45*16 = 720, which is the
106 * maximum PAL/NTSC width).
107 */
108 #define SOLO_MOTION_SZ (45)
109
110 enum SOLO_I2C_STATE {
111 IIC_STATE_IDLE,
112 IIC_STATE_START,
113 IIC_STATE_READ,
114 IIC_STATE_WRITE,
115 IIC_STATE_STOP
116 };
117
118 /* Defined in Table 4-16, Page 68-69 of the 6010 Datasheet */
119 struct solo_p2m_desc {
120 u32 ctrl;
121 u32 cfg;
122 u32 dma_addr;
123 u32 ext_addr;
124 };
125
126 struct solo_p2m_dev {
127 struct mutex mutex;
128 struct completion completion;
129 int desc_count;
130 int desc_idx;
131 struct solo_p2m_desc *descs;
132 int error;
133 };
134
135 #define OSD_TEXT_MAX 44
136
137 struct solo_vb2_buf {
138 struct vb2_v4l2_buffer vb;
139 struct list_head list;
140 };
141
142 enum solo_enc_types {
143 SOLO_ENC_TYPE_STD,
144 SOLO_ENC_TYPE_EXT,
145 };
146
147 struct solo_enc_dev {
148 struct solo_dev *solo_dev;
149 /* V4L2 Items */
150 struct v4l2_ctrl_handler hdl;
151 struct v4l2_ctrl *md_thresholds;
152 struct video_device *vfd;
153 /* General accounting */
154 struct mutex lock;
155 spinlock_t motion_lock;
156 u8 ch;
157 u8 mode, gop, qp, interlaced, interval;
158 u8 bw_weight;
159 u16 motion_thresh;
160 bool motion_global;
161 bool motion_enabled;
162 u16 width;
163 u16 height;
164
165 /* OSD buffers */
166 char osd_text[OSD_TEXT_MAX + 1];
167 u8 osd_buf[SOLO_EOSD_EXT_SIZE_MAX]
168 __aligned(4);
169
170 /* VOP stuff */
171 u8 vop[64];
172 int vop_len;
173 u8 jpeg_header[1024];
174 int jpeg_len;
175
176 u32 fmt;
177 enum solo_enc_types type;
178 u32 sequence;
179 struct vb2_queue vidq;
180 struct list_head vidq_active;
181 void *alloc_ctx;
182 int desc_count;
183 int desc_nelts;
184 struct solo_p2m_desc *desc_items;
185 dma_addr_t desc_dma;
186 spinlock_t av_lock;
187 };
188
189 /* The SOLO6x10 PCI Device */
190 struct solo_dev {
191 /* General stuff */
192 struct pci_dev *pdev;
193 int type;
194 unsigned int time_sync;
195 unsigned int usec_lsb;
196 unsigned int clock_mhz;
197 u8 __iomem *reg_base;
198 int nr_chans;
199 int nr_ext;
200 u32 irq_mask;
201 u32 motion_mask;
202 struct v4l2_device v4l2_dev;
203
204 /* tw28xx accounting */
205 u8 tw2865, tw2864, tw2815;
206 u8 tw28_cnt;
207
208 /* i2c related items */
209 struct i2c_adapter i2c_adap[SOLO_I2C_ADAPTERS];
210 enum SOLO_I2C_STATE i2c_state;
211 struct mutex i2c_mutex;
212 int i2c_id;
213 wait_queue_head_t i2c_wait;
214 struct i2c_msg *i2c_msg;
215 unsigned int i2c_msg_num;
216 unsigned int i2c_msg_ptr;
217
218 /* P2M DMA Engine */
219 struct solo_p2m_dev p2m_dev[SOLO_NR_P2M];
220 atomic_t p2m_count;
221 int p2m_jiffies;
222 unsigned int p2m_timeouts;
223
224 /* V4L2 Display items */
225 struct video_device *vfd;
226 unsigned int erasing;
227 unsigned int frame_blank;
228 u8 cur_disp_ch;
229 wait_queue_head_t disp_thread_wait;
230 struct v4l2_ctrl_handler disp_hdl;
231
232 /* V4L2 Encoder items */
233 struct solo_enc_dev *v4l2_enc[SOLO_MAX_CHANNELS];
234 u16 enc_bw_remain;
235 /* IDX into hw mp4 encoder */
236 u8 enc_idx;
237
238 /* Current video settings */
239 u32 video_type;
240 u16 video_hsize, video_vsize;
241 u16 vout_hstart, vout_vstart;
242 u16 vin_hstart, vin_vstart;
243 u8 fps;
244
245 /* JPEG Qp setting */
246 spinlock_t jpeg_qp_lock;
247 u32 jpeg_qp[2];
248
249 /* Audio components */
250 struct snd_card *snd_card;
251 struct snd_pcm *snd_pcm;
252 atomic_t snd_users;
253 int g723_hw_idx;
254
255 /* sysfs stuffs */
256 struct device dev;
257 int sdram_size;
258 struct bin_attribute sdram_attr;
259 unsigned int sys_config;
260
261 /* Ring thread */
262 struct task_struct *ring_thread;
263 wait_queue_head_t ring_thread_wait;
264
265 /* VOP_HEADER handling */
266 void *vh_buf;
267 dma_addr_t vh_dma;
268 int vh_size;
269
270 /* Buffer handling */
271 struct vb2_queue vidq;
272 struct vb2_alloc_ctx *alloc_ctx;
273 u32 sequence;
274 struct task_struct *kthread;
275 struct mutex lock;
276 spinlock_t slock;
277 int old_write;
278 struct list_head vidq_active;
279 };
280
solo_reg_read(struct solo_dev * solo_dev,int reg)281 static inline u32 solo_reg_read(struct solo_dev *solo_dev, int reg)
282 {
283 return readl(solo_dev->reg_base + reg);
284 }
285
solo_reg_write(struct solo_dev * solo_dev,int reg,u32 data)286 static inline void solo_reg_write(struct solo_dev *solo_dev, int reg,
287 u32 data)
288 {
289 u16 val;
290
291 writel(data, solo_dev->reg_base + reg);
292 pci_read_config_word(solo_dev->pdev, PCI_STATUS, &val);
293 }
294
solo_irq_on(struct solo_dev * dev,u32 mask)295 static inline void solo_irq_on(struct solo_dev *dev, u32 mask)
296 {
297 dev->irq_mask |= mask;
298 solo_reg_write(dev, SOLO_IRQ_MASK, dev->irq_mask);
299 }
300
solo_irq_off(struct solo_dev * dev,u32 mask)301 static inline void solo_irq_off(struct solo_dev *dev, u32 mask)
302 {
303 dev->irq_mask &= ~mask;
304 solo_reg_write(dev, SOLO_IRQ_MASK, dev->irq_mask);
305 }
306
307 /* Init/exit routines for subsystems */
308 int solo_disp_init(struct solo_dev *solo_dev);
309 void solo_disp_exit(struct solo_dev *solo_dev);
310
311 int solo_gpio_init(struct solo_dev *solo_dev);
312 void solo_gpio_exit(struct solo_dev *solo_dev);
313
314 int solo_i2c_init(struct solo_dev *solo_dev);
315 void solo_i2c_exit(struct solo_dev *solo_dev);
316
317 int solo_p2m_init(struct solo_dev *solo_dev);
318 void solo_p2m_exit(struct solo_dev *solo_dev);
319
320 int solo_v4l2_init(struct solo_dev *solo_dev, unsigned nr);
321 void solo_v4l2_exit(struct solo_dev *solo_dev);
322
323 int solo_enc_init(struct solo_dev *solo_dev);
324 void solo_enc_exit(struct solo_dev *solo_dev);
325
326 int solo_enc_v4l2_init(struct solo_dev *solo_dev, unsigned nr);
327 void solo_enc_v4l2_exit(struct solo_dev *solo_dev);
328
329 int solo_g723_init(struct solo_dev *solo_dev);
330 void solo_g723_exit(struct solo_dev *solo_dev);
331
332 /* ISR's */
333 int solo_i2c_isr(struct solo_dev *solo_dev);
334 void solo_p2m_isr(struct solo_dev *solo_dev, int id);
335 void solo_p2m_error_isr(struct solo_dev *solo_dev);
336 void solo_enc_v4l2_isr(struct solo_dev *solo_dev);
337 void solo_g723_isr(struct solo_dev *solo_dev);
338 void solo_motion_isr(struct solo_dev *solo_dev);
339 void solo_video_in_isr(struct solo_dev *solo_dev);
340
341 /* i2c read/write */
342 u8 solo_i2c_readbyte(struct solo_dev *solo_dev, int id, u8 addr, u8 off);
343 void solo_i2c_writebyte(struct solo_dev *solo_dev, int id, u8 addr, u8 off,
344 u8 data);
345
346 /* P2M DMA */
347 int solo_p2m_dma_t(struct solo_dev *solo_dev, int wr,
348 dma_addr_t dma_addr, u32 ext_addr, u32 size,
349 int repeat, u32 ext_size);
350 int solo_p2m_dma(struct solo_dev *solo_dev, int wr,
351 void *sys_addr, u32 ext_addr, u32 size,
352 int repeat, u32 ext_size);
353 void solo_p2m_fill_desc(struct solo_p2m_desc *desc, int wr,
354 dma_addr_t dma_addr, u32 ext_addr, u32 size,
355 int repeat, u32 ext_size);
356 int solo_p2m_dma_desc(struct solo_dev *solo_dev,
357 struct solo_p2m_desc *desc, dma_addr_t desc_dma,
358 int desc_cnt);
359
360 /* Global s_std ioctl */
361 int solo_set_video_type(struct solo_dev *solo_dev, bool is_50hz);
362 void solo_update_mode(struct solo_enc_dev *solo_enc);
363
364 /* Set the threshold for motion detection */
365 int solo_set_motion_threshold(struct solo_dev *solo_dev, u8 ch, u16 val);
366 int solo_set_motion_block(struct solo_dev *solo_dev, u8 ch,
367 const u16 *thresholds);
368 #define SOLO_DEF_MOT_THRESH 0x0300
369
370 /* Write text on OSD */
371 int solo_osd_print(struct solo_enc_dev *solo_enc);
372
373 /* EEPROM commands */
374 unsigned int solo_eeprom_ewen(struct solo_dev *solo_dev, int w_en);
375 __be16 solo_eeprom_read(struct solo_dev *solo_dev, int loc);
376 int solo_eeprom_write(struct solo_dev *solo_dev, int loc,
377 __be16 data);
378
379 /* JPEG Qp functions */
380 void solo_s_jpeg_qp(struct solo_dev *solo_dev, unsigned int ch,
381 unsigned int qp);
382 int solo_g_jpeg_qp(struct solo_dev *solo_dev, unsigned int ch);
383
384 #define CHK_FLAGS(v, flags) (((v) & (flags)) == (flags))
385
386 #endif /* __SOLO6X10_H */
387