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x86, cpufeature: If we disable CLFLUSH, we should disable CLFLUSHOPT
[linux/fpc-iii.git] / drivers / media / pci / cx25821 / cx25821.h
blob90bdc196929f2889be014bae266f88456af76058
1 /*
2 * Driver for the Conexant CX25821 PCIe bridge
3 *
4 * Copyright (C) 2009 Conexant Systems Inc.
5 * Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
6 * Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 *
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 */
23
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/videobuf-dma-sg.h>
38
39 #include "btcx-risc.h"
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 /* Number of decoders and encoders */
58 #define MAX_DECODERS 8
59 #define MAX_ENCODERS 2
60 #define QUAD_DECODERS 4
61 #define MAX_CAMERAS 16
62
63 /* Max number of inputs by card */
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) /* 0.5 seconds */
79
80 #define UNKNOWN_BOARD 0
81 #define CX25821_BOARD 1
82
83 /* Currently supported by the driver */
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 #define VID_CHANNEL_NUM 8
93
94 struct cx25821_fmt {
95 char *name;
96 u32 fourcc; /* v4l2 format id */
97 int depth;
98 int flags;
99 u32 cxformat;
100 };
101
102 struct cx25821_tvnorm {
103 char *name;
104 v4l2_std_id id;
105 u32 cxiformat;
106 u32 cxoformat;
107 };
108
109 enum cx25821_src_sel_type {
110 CX25821_SRC_SEL_EXT_656_VIDEO = 0,
111 CX25821_SRC_SEL_PARALLEL_MPEG_VIDEO
112 };
113
114 /* buffer for one video frame */
115 struct cx25821_buffer {
116 /* common v4l buffer stuff -- must be first */
117 struct videobuf_buffer vb;
118
119 /* cx25821 specific */
120 unsigned int bpl;
121 struct btcx_riscmem risc;
122 const struct cx25821_fmt *fmt;
123 u32 count;
124 };
125
126 enum port {
127 CX25821_UNDEFINED = 0,
128 CX25821_RAW,
129 CX25821_264
130 };
131
132 struct cx25821_board {
133 const char *name;
134 enum port porta;
135 enum port portb;
136 enum port portc;
137
138 u32 clk_freq;
139 };
140
141 struct cx25821_i2c {
142 struct cx25821_dev *dev;
143
144 int nr;
145
146 /* i2c i/o */
147 struct i2c_adapter i2c_adap;
148 struct i2c_client i2c_client;
149 u32 i2c_rc;
150
151 /* cx25821 registers used for raw addess */
152 u32 i2c_period;
153 u32 reg_ctrl;
154 u32 reg_stat;
155 u32 reg_addr;
156 u32 reg_rdata;
157 u32 reg_wdata;
158 };
159
160 struct cx25821_dmaqueue {
161 struct list_head active;
162 struct list_head queued;
163 struct timer_list timeout;
164 struct btcx_riscmem stopper;
165 u32 count;
166 };
167
168 struct cx25821_data {
169 struct cx25821_dev *dev;
170 const struct sram_channel *channel;
171 };
172
173 struct cx25821_dev;
174
175 struct cx25821_channel;
176
177 struct cx25821_video_out_data {
178 struct cx25821_channel *chan;
179 int _line_size;
180 int _prog_cnt;
181 int _pixel_format;
182 int _is_first_frame;
183 int _is_running;
184 int _file_status;
185 int _lines_count;
186 int _frame_count;
187 unsigned int _risc_size;
188
189 __le32 *_dma_virt_start_addr;
190 __le32 *_dma_virt_addr;
191 dma_addr_t _dma_phys_addr;
192 dma_addr_t _dma_phys_start_addr;
193
194 unsigned int _data_buf_size;
195 __le32 *_data_buf_virt_addr;
196 dma_addr_t _data_buf_phys_addr;
197
198 u32 upstream_riscbuf_size;
199 u32 upstream_databuf_size;
200 int is_60hz;
201 int _frame_index;
202 int cur_frame_index;
203 int curpos;
204 wait_queue_head_t waitq;
205 };
206
207 struct cx25821_channel {
208 unsigned id;
209 struct cx25821_dev *dev;
210 struct v4l2_fh *streaming_fh;
211
212 struct v4l2_ctrl_handler hdl;
213 struct cx25821_data timeout_data;
214
215 struct video_device vdev;
216 struct cx25821_dmaqueue dma_vidq;
217 struct videobuf_queue vidq;
218
219 const struct sram_channel *sram_channels;
220
221 const struct cx25821_fmt *fmt;
222 unsigned int width, height;
223 int pixel_formats;
224 int use_cif_resolution;
225 int cif_width;
226
227 /* video output data for the video output channel */
228 struct cx25821_video_out_data *out;
229 };
230
231 struct snd_card;
232
233 struct cx25821_dev {
234 struct v4l2_device v4l2_dev;
235
236 /* pci stuff */
237 struct pci_dev *pci;
238 unsigned char pci_rev, pci_lat;
239 int pci_bus, pci_slot;
240 u32 base_io_addr;
241 u32 __iomem *lmmio;
242 u8 __iomem *bmmio;
243 int pci_irqmask;
244 int hwrevision;
245 /* used by cx25821-alsa */
246 struct snd_card *card;
247
248 u32 clk_freq;
249
250 /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */
251 struct cx25821_i2c i2c_bus[3];
252
253 int nr;
254 struct mutex lock;
255
256 struct cx25821_channel channels[MAX_VID_CHANNEL_NUM];
257
258 /* board details */
259 unsigned int board;
260 char name[32];
261
262 /* Analog video */
263 unsigned int input;
264 v4l2_std_id tvnorm;
265 unsigned short _max_num_decoders;
266
267 /* Analog Audio Upstream */
268 int _audio_is_running;
269 int _audiopixel_format;
270 int _is_first_audio_frame;
271 int _audiofile_status;
272 int _audio_lines_count;
273 int _audioframe_count;
274 int _audio_upstream_channel;
275 int _last_index_irq; /* The last interrupt index processed. */
276
277 __le32 *_risc_audio_jmp_addr;
278 __le32 *_risc_virt_start_addr;
279 __le32 *_risc_virt_addr;
280 dma_addr_t _risc_phys_addr;
281 dma_addr_t _risc_phys_start_addr;
282
283 unsigned int _audiorisc_size;
284 unsigned int _audiodata_buf_size;
285 __le32 *_audiodata_buf_virt_addr;
286 dma_addr_t _audiodata_buf_phys_addr;
287 char *_audiofilename;
288 u32 audio_upstream_riscbuf_size;
289 u32 audio_upstream_databuf_size;
290 int _audioframe_index;
291 struct workqueue_struct *_irq_audio_queues;
292 struct work_struct _audio_work_entry;
293 char *input_audiofilename;
294
295 /* V4l */
296 spinlock_t slock;
297
298 /* Video Upstream */
299 struct cx25821_video_out_data vid_out_data[2];
300 };
301
302 static inline struct cx25821_dev *get_cx25821(struct v4l2_device *v4l2_dev)
303 {
304 return container_of(v4l2_dev, struct cx25821_dev, v4l2_dev);
305 }
306
307 extern struct cx25821_board cx25821_boards[];
308
309 #define SRAM_CH00 0 /* Video A */
310 #define SRAM_CH01 1 /* Video B */
311 #define SRAM_CH02 2 /* Video C */
312 #define SRAM_CH03 3 /* Video D */
313 #define SRAM_CH04 4 /* Video E */
314 #define SRAM_CH05 5 /* Video F */
315 #define SRAM_CH06 6 /* Video G */
316 #define SRAM_CH07 7 /* Video H */
317
318 #define SRAM_CH08 8 /* Audio A */
319 #define SRAM_CH09 9 /* Video Upstream I */
320 #define SRAM_CH10 10 /* Video Upstream J */
321 #define SRAM_CH11 11 /* Audio Upstream AUD_CHANNEL_B */
322
323 #define VID_UPSTREAM_SRAM_CHANNEL_I SRAM_CH09
324 #define VID_UPSTREAM_SRAM_CHANNEL_J SRAM_CH10
325 #define AUDIO_UPSTREAM_SRAM_CHANNEL_B SRAM_CH11
326
327 struct sram_channel {
328 char *name;
329 u32 i;
330 u32 cmds_start;
331 u32 ctrl_start;
332 u32 cdt;
333 u32 fifo_start;
334 u32 fifo_size;
335 u32 ptr1_reg;
336 u32 ptr2_reg;
337 u32 cnt1_reg;
338 u32 cnt2_reg;
339 u32 int_msk;
340 u32 int_stat;
341 u32 int_mstat;
342 u32 dma_ctl;
343 u32 gpcnt_ctl;
344 u32 gpcnt;
345 u32 aud_length;
346 u32 aud_cfg;
347 u32 fld_aud_fifo_en;
348 u32 fld_aud_risc_en;
349
350 /* For Upstream Video */
351 u32 vid_fmt_ctl;
352 u32 vid_active_ctl1;
353 u32 vid_active_ctl2;
354 u32 vid_cdt_size;
355
356 u32 vip_ctl;
357 u32 pix_frmt;
358 u32 jumponly;
359 u32 irq_bit;
360 };
361
362 extern const struct sram_channel cx25821_sram_channels[];
363
364 #define cx_read(reg) readl(dev->lmmio + ((reg)>>2))
365 #define cx_write(reg, value) writel((value), dev->lmmio + ((reg)>>2))
366
367 #define cx_andor(reg, mask, value) \
368 writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\
369 ((value) & (mask)), dev->lmmio+((reg)>>2))
370
371 #define cx_set(reg, bit) cx_andor((reg), (bit), (bit))
372 #define cx_clear(reg, bit) cx_andor((reg), (bit), 0)
373
374 #define Set_GPIO_Bit(Bit) (1 << Bit)
375 #define Clear_GPIO_Bit(Bit) (~(1 << Bit))
376
377 #define CX25821_ERR(fmt, args...) \
378 pr_err("(%d): " fmt, dev->board, ##args)
379 #define CX25821_WARN(fmt, args...) \
380 pr_warn("(%d): " fmt, dev->board, ##args)
381 #define CX25821_INFO(fmt, args...) \
382 pr_info("(%d): " fmt, dev->board, ##args)
383
384 extern int cx25821_i2c_register(struct cx25821_i2c *bus);
385 extern int cx25821_i2c_read(struct cx25821_i2c *bus, u16 reg_addr, int *value);
386 extern int cx25821_i2c_write(struct cx25821_i2c *bus, u16 reg_addr, int value);
387 extern int cx25821_i2c_unregister(struct cx25821_i2c *bus);
388 extern void cx25821_gpio_init(struct cx25821_dev *dev);
389 extern void cx25821_set_gpiopin_direction(struct cx25821_dev *dev,
390 int pin_number, int pin_logic_value);
391
392 extern int medusa_video_init(struct cx25821_dev *dev);
393 extern int medusa_set_videostandard(struct cx25821_dev *dev);
394 extern void medusa_set_resolution(struct cx25821_dev *dev, int width,
395 int decoder_select);
396 extern int medusa_set_brightness(struct cx25821_dev *dev, int brightness,
397 int decoder);
398 extern int medusa_set_contrast(struct cx25821_dev *dev, int contrast,
399 int decoder);
400 extern int medusa_set_hue(struct cx25821_dev *dev, int hue, int decoder);
401 extern int medusa_set_saturation(struct cx25821_dev *dev, int saturation,
402 int decoder);
403
404 extern int cx25821_sram_channel_setup(struct cx25821_dev *dev,
405 const struct sram_channel *ch, unsigned int bpl,
406 u32 risc);
407
408 extern int cx25821_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc,
409 struct scatterlist *sglist,
410 unsigned int top_offset,
411 unsigned int bottom_offset,
412 unsigned int bpl,
413 unsigned int padding, unsigned int lines);
414 extern int cx25821_risc_databuffer_audio(struct pci_dev *pci,
415 struct btcx_riscmem *risc,
416 struct scatterlist *sglist,
417 unsigned int bpl,
418 unsigned int lines, unsigned int lpi);
419 extern void cx25821_free_buffer(struct videobuf_queue *q,
420 struct cx25821_buffer *buf);
421 extern int cx25821_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,
422 u32 reg, u32 mask, u32 value);
423 extern void cx25821_sram_channel_dump(struct cx25821_dev *dev,
424 const struct sram_channel *ch);
425 extern void cx25821_sram_channel_dump_audio(struct cx25821_dev *dev,
426 const struct sram_channel *ch);
427
428 extern struct cx25821_dev *cx25821_dev_get(struct pci_dev *pci);
429 extern void cx25821_print_irqbits(char *name, char *tag, char **strings,
430 int len, u32 bits, u32 mask);
431 extern void cx25821_dev_unregister(struct cx25821_dev *dev);
432 extern int cx25821_sram_channel_setup_audio(struct cx25821_dev *dev,
433 const struct sram_channel *ch,
434 unsigned int bpl, u32 risc);
435
436 extern int cx25821_vidupstream_init(struct cx25821_channel *chan, int pixel_format);
437 extern int cx25821_audio_upstream_init(struct cx25821_dev *dev,
438 int channel_select);
439 extern int cx25821_write_frame(struct cx25821_channel *chan,
440 const char __user *data, size_t count);
441 extern void cx25821_free_mem_upstream(struct cx25821_channel *chan);
442 extern void cx25821_free_mem_upstream_audio(struct cx25821_dev *dev);
443 extern void cx25821_stop_upstream_video(struct cx25821_channel *chan);
444 extern void cx25821_stop_upstream_audio(struct cx25821_dev *dev);
445 extern int cx25821_sram_channel_setup_upstream(struct cx25821_dev *dev,
446 const struct sram_channel *ch,
447 unsigned int bpl, u32 risc);
448 extern void cx25821_set_pixel_format(struct cx25821_dev *dev, int channel,
449 u32 format);
450
451 #endif
Linux with added FPC-III support