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24#ifndef CX25821_H_
25#define CX25821_H_
26
27#include <linux/pci.h>
28#include <linux/i2c.h>
29#include <linux/interrupt.h>
30#include <linux/delay.h>
31#include <linux/sched.h>
32#include <linux/kdev_t.h>
33
34#include <media/v4l2-common.h>
35#include <media/v4l2-device.h>
36#include <media/v4l2-ctrls.h>
37#include <media/videobuf2-v4l2.h>
38#include <media/videobuf2-dma-sg.h>
39
40#include "cx25821-reg.h"
41#include "cx25821-medusa-reg.h"
42#include "cx25821-sram.h"
43#include "cx25821-audio.h"
44
45#include <linux/version.h>
46#include <linux/mutex.h>
47
48#define CX25821_VERSION_CODE KERNEL_VERSION(0, 0, 106)
49
50#define UNSET (-1U)
51#define NO_SYNC_LINE (-1U)
52
53#define CX25821_MAXBOARDS 2
54
55#define LINE_SIZE_D1 1440
56
57
58#define MAX_DECODERS 8
59#define MAX_ENCODERS 2
60#define QUAD_DECODERS 4
61#define MAX_CAMERAS 16
62
63
64#define MAX_CX25821_INPUT 8
65#define RESOURCE_VIDEO0 1
66#define RESOURCE_VIDEO1 2
67#define RESOURCE_VIDEO2 4
68#define RESOURCE_VIDEO3 8
69#define RESOURCE_VIDEO4 16
70#define RESOURCE_VIDEO5 32
71#define RESOURCE_VIDEO6 64
72#define RESOURCE_VIDEO7 128
73#define RESOURCE_VIDEO8 256
74#define RESOURCE_VIDEO9 512
75#define RESOURCE_VIDEO10 1024
76#define RESOURCE_VIDEO11 2048
77
78#define BUFFER_TIMEOUT (HZ)
79
80#define UNKNOWN_BOARD 0
81#define CX25821_BOARD 1
82
83
84#define CX25821_NORMS (\
85 V4L2_STD_NTSC_M | V4L2_STD_NTSC_M_JP | V4L2_STD_NTSC_M_KR | \
86 V4L2_STD_PAL_BG | V4L2_STD_PAL_DK | V4L2_STD_PAL_I | \
87 V4L2_STD_PAL_M | V4L2_STD_PAL_N | V4L2_STD_PAL_H | \
88 V4L2_STD_PAL_Nc)
89
90#define CX25821_BOARD_CONEXANT_ATHENA10 1
91#define MAX_VID_CHANNEL_NUM 12
92
93
94
95
96
97#define MAX_VID_CAP_CHANNEL_NUM 10
98
99#define VID_CHANNEL_NUM 8
100
101struct cx25821_fmt {
102 char *name;
103 u32 fourcc;
104 int depth;
105 int flags;
106 u32 cxformat;
107};
108
109struct cx25821_tvnorm {
110 char *name;
111 v4l2_std_id id;
112 u32 cxiformat;
113 u32 cxoformat;
114};
115
116enum cx25821_src_sel_type {
117 CX25821_SRC_SEL_EXT_656_VIDEO = 0,
118 CX25821_SRC_SEL_PARALLEL_MPEG_VIDEO
119};
120
121struct cx25821_riscmem {
122 unsigned int size;
123 __le32 *cpu;
124 __le32 *jmp;
125 dma_addr_t dma;
126};
127
128
129struct cx25821_buffer {
130
131 struct vb2_v4l2_buffer vb;
132 struct list_head queue;
133
134
135 unsigned int bpl;
136 struct cx25821_riscmem risc;
137 const struct cx25821_fmt *fmt;
138};
139
140enum port {
141 CX25821_UNDEFINED = 0,
142 CX25821_RAW,
143 CX25821_264
144};
145
146struct cx25821_board {
147 const char *name;
148 enum port porta;
149 enum port portb;
150 enum port portc;
151
152 u32 clk_freq;
153};
154
155struct cx25821_i2c {
156 struct cx25821_dev *dev;
157
158 int nr;
159
160
161 struct i2c_adapter i2c_adap;
162 struct i2c_client i2c_client;
163 u32 i2c_rc;
164
165
166 u32 i2c_period;
167 u32 reg_ctrl;
168 u32 reg_stat;
169 u32 reg_addr;
170 u32 reg_rdata;
171 u32 reg_wdata;
172};
173
174struct cx25821_dmaqueue {
175 struct list_head active;
176 u32 count;
177};
178
179struct cx25821_dev;
180
181struct cx25821_channel;
182
183struct cx25821_video_out_data {
184 struct cx25821_channel *chan;
185 int _line_size;
186 int _prog_cnt;
187 int _pixel_format;
188 int _is_first_frame;
189 int _is_running;
190 int _file_status;
191 int _lines_count;
192 int _frame_count;
193 unsigned int _risc_size;
194
195 __le32 *_dma_virt_start_addr;
196 __le32 *_dma_virt_addr;
197 dma_addr_t _dma_phys_addr;
198 dma_addr_t _dma_phys_start_addr;
199
200 unsigned int _data_buf_size;
201 __le32 *_data_buf_virt_addr;
202 dma_addr_t _data_buf_phys_addr;
203
204 u32 upstream_riscbuf_size;
205 u32 upstream_databuf_size;
206 int is_60hz;
207 int _frame_index;
208 int cur_frame_index;
209 int curpos;
210 wait_queue_head_t waitq;
211};
212
213struct cx25821_channel {
214 unsigned id;
215 struct cx25821_dev *dev;
216
217 struct v4l2_ctrl_handler hdl;
218
219 struct video_device vdev;
220 struct cx25821_dmaqueue dma_vidq;
221 struct vb2_queue vidq;
222
223 const struct sram_channel *sram_channels;
224
225 const struct cx25821_fmt *fmt;
226 unsigned field;
227 unsigned int width, height;
228 int pixel_formats;
229 int use_cif_resolution;
230 int cif_width;
231
232
233 struct cx25821_video_out_data *out;
234};
235
236struct snd_card;
237
238struct cx25821_dev {
239 struct v4l2_device v4l2_dev;
240
241
242 struct pci_dev *pci;
243 unsigned char pci_rev, pci_lat;
244 int pci_bus, pci_slot;
245 u32 base_io_addr;
246 u32 __iomem *lmmio;
247 u8 __iomem *bmmio;
248 int pci_irqmask;
249 int hwrevision;
250
251 struct snd_card *card;
252
253 u32 clk_freq;
254
255
256 struct cx25821_i2c i2c_bus[3];
257
258 int nr;
259 struct mutex lock;
260
261 struct cx25821_channel channels[MAX_VID_CHANNEL_NUM];
262
263
264 unsigned int board;
265 char name[32];
266
267
268 unsigned int input;
269 v4l2_std_id tvnorm;
270 unsigned short _max_num_decoders;
271
272
273 int _audio_is_running;
274 int _audiopixel_format;
275 int _is_first_audio_frame;
276 int _audiofile_status;
277 int _audio_lines_count;
278 int _audioframe_count;
279 int _audio_upstream_channel;
280 int _last_index_irq;
281
282 __le32 *_risc_audio_jmp_addr;
283 __le32 *_risc_virt_start_addr;
284 __le32 *_risc_virt_addr;
285 dma_addr_t _risc_phys_addr;
286 dma_addr_t _risc_phys_start_addr;
287
288 unsigned int _audiorisc_size;
289 unsigned int _audiodata_buf_size;
290 __le32 *_audiodata_buf_virt_addr;
291 dma_addr_t _audiodata_buf_phys_addr;
292 char *_audiofilename;
293 u32 audio_upstream_riscbuf_size;
294 u32 audio_upstream_databuf_size;
295 int _audioframe_index;
296 struct work_struct _audio_work_entry;
297 char *input_audiofilename;
298
299
300 spinlock_t slock;
301
302
303 struct cx25821_video_out_data vid_out_data[2];
304};
305
306static inline struct cx25821_dev *get_cx25821(struct v4l2_device *v4l2_dev)
307{
308 return container_of(v4l2_dev, struct cx25821_dev, v4l2_dev);
309}
310
311extern struct cx25821_board cx25821_boards[];
312
313#define SRAM_CH00 0
314#define SRAM_CH01 1
315#define SRAM_CH02 2
316#define SRAM_CH03 3
317#define SRAM_CH04 4
318#define SRAM_CH05 5
319#define SRAM_CH06 6
320#define SRAM_CH07 7
321
322#define SRAM_CH08 8
323#define SRAM_CH09 9
324#define SRAM_CH10 10
325#define SRAM_CH11 11
326
327#define VID_UPSTREAM_SRAM_CHANNEL_I SRAM_CH09
328#define VID_UPSTREAM_SRAM_CHANNEL_J SRAM_CH10
329#define AUDIO_UPSTREAM_SRAM_CHANNEL_B SRAM_CH11
330
331struct sram_channel {
332 char *name;
333 u32 i;
334 u32 cmds_start;
335 u32 ctrl_start;
336 u32 cdt;
337 u32 fifo_start;
338 u32 fifo_size;
339 u32 ptr1_reg;
340 u32 ptr2_reg;
341 u32 cnt1_reg;
342 u32 cnt2_reg;
343 u32 int_msk;
344 u32 int_stat;
345 u32 int_mstat;
346 u32 dma_ctl;
347 u32 gpcnt_ctl;
348 u32 gpcnt;
349 u32 aud_length;
350 u32 aud_cfg;
351 u32 fld_aud_fifo_en;
352 u32 fld_aud_risc_en;
353
354
355 u32 vid_fmt_ctl;
356 u32 vid_active_ctl1;
357 u32 vid_active_ctl2;
358 u32 vid_cdt_size;
359
360 u32 vip_ctl;
361 u32 pix_frmt;
362 u32 jumponly;
363 u32 irq_bit;
364};
365
366extern const struct sram_channel cx25821_sram_channels[];
367
368#define cx_read(reg) readl(dev->lmmio + ((reg)>>2))
369#define cx_write(reg, value) writel((value), dev->lmmio + ((reg)>>2))
370
371#define cx_andor(reg, mask, value) \
372 writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\
373 ((value) & (mask)), dev->lmmio+((reg)>>2))
374
375#define cx_set(reg, bit) cx_andor((reg), (bit), (bit))
376#define cx_clear(reg, bit) cx_andor((reg), (bit), 0)
377
378#define Set_GPIO_Bit(Bit) (1 << Bit)
379#define Clear_GPIO_Bit(Bit) (~(1 << Bit))
380
381#define CX25821_ERR(fmt, args...) \
382 pr_err("(%d): " fmt, dev->board, ##args)
383#define CX25821_WARN(fmt, args...) \
384 pr_warn("(%d): " fmt, dev->board, ##args)
385#define CX25821_INFO(fmt, args...) \
386 pr_info("(%d): " fmt, dev->board, ##args)
387
388extern int cx25821_i2c_register(struct cx25821_i2c *bus);
389extern int cx25821_i2c_read(struct cx25821_i2c *bus, u16 reg_addr, int *value);
390extern int cx25821_i2c_write(struct cx25821_i2c *bus, u16 reg_addr, int value);
391extern int cx25821_i2c_unregister(struct cx25821_i2c *bus);
392extern void cx25821_gpio_init(struct cx25821_dev *dev);
393extern void cx25821_set_gpiopin_direction(struct cx25821_dev *dev,
394 int pin_number, int pin_logic_value);
395
396extern int medusa_video_init(struct cx25821_dev *dev);
397extern int medusa_set_videostandard(struct cx25821_dev *dev);
398extern void medusa_set_resolution(struct cx25821_dev *dev, int width,
399 int decoder_select);
400extern int medusa_set_brightness(struct cx25821_dev *dev, int brightness,
401 int decoder);
402extern int medusa_set_contrast(struct cx25821_dev *dev, int contrast,
403 int decoder);
404extern int medusa_set_hue(struct cx25821_dev *dev, int hue, int decoder);
405extern int medusa_set_saturation(struct cx25821_dev *dev, int saturation,
406 int decoder);
407
408extern int cx25821_sram_channel_setup(struct cx25821_dev *dev,
409 const struct sram_channel *ch, unsigned int bpl,
410 u32 risc);
411
412extern int cx25821_riscmem_alloc(struct pci_dev *pci,
413 struct cx25821_riscmem *risc,
414 unsigned int size);
415extern int cx25821_risc_buffer(struct pci_dev *pci, struct cx25821_riscmem *risc,
416 struct scatterlist *sglist,
417 unsigned int top_offset,
418 unsigned int bottom_offset,
419 unsigned int bpl,
420 unsigned int padding, unsigned int lines);
421extern int cx25821_risc_databuffer_audio(struct pci_dev *pci,
422 struct cx25821_riscmem *risc,
423 struct scatterlist *sglist,
424 unsigned int bpl,
425 unsigned int lines, unsigned int lpi);
426extern void cx25821_free_buffer(struct cx25821_dev *dev,
427 struct cx25821_buffer *buf);
428extern void cx25821_sram_channel_dump(struct cx25821_dev *dev,
429 const struct sram_channel *ch);
430extern void cx25821_sram_channel_dump_audio(struct cx25821_dev *dev,
431 const struct sram_channel *ch);
432
433extern struct cx25821_dev *cx25821_dev_get(struct pci_dev *pci);
434extern void cx25821_print_irqbits(char *name, char *tag, char **strings,
435 int len, u32 bits, u32 mask);
436extern void cx25821_dev_unregister(struct cx25821_dev *dev);
437extern int cx25821_sram_channel_setup_audio(struct cx25821_dev *dev,
438 const struct sram_channel *ch,
439 unsigned int bpl, u32 risc);
440
441extern int cx25821_vidupstream_init(struct cx25821_channel *chan, int pixel_format);
442extern int cx25821_audio_upstream_init(struct cx25821_dev *dev,
443 int channel_select);
444extern int cx25821_write_frame(struct cx25821_channel *chan,
445 const char __user *data, size_t count);
446extern void cx25821_free_mem_upstream(struct cx25821_channel *chan);
447extern void cx25821_free_mem_upstream_audio(struct cx25821_dev *dev);
448extern void cx25821_stop_upstream_video(struct cx25821_channel *chan);
449extern void cx25821_stop_upstream_audio(struct cx25821_dev *dev);
450extern int cx25821_sram_channel_setup_upstream(struct cx25821_dev *dev,
451 const struct sram_channel *ch,
452 unsigned int bpl, u32 risc);
453extern void cx25821_set_pixel_format(struct cx25821_dev *dev, int channel,
454 u32 format);
455
456#endif
457