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1da177e4 LT |
1 | /* |
2 | * $Id: cx88-blackbird.c,v 1.26 2005/03/07 15:58:05 kraxel Exp $ | |
3 | * | |
4 | * Support for a cx23416 mpeg encoder via cx2388x host port. | |
5 | * "blackbird" reference design. | |
6 | * | |
7 | * (c) 2004 Jelle Foks <jelle@foks.8m.com> | |
8 | * (c) 2004 Gerd Knorr <kraxel@bytesex.org> | |
9 | * | |
10 | * Includes parts from the ivtv driver( http://ivtv.sourceforge.net/), | |
11 | * | |
12 | * This program is free software; you can redistribute it and/or modify | |
13 | * it under the terms of the GNU General Public License as published by | |
14 | * the Free Software Foundation; either version 2 of the License, or | |
15 | * (at your option) any later version. | |
16 | * | |
17 | * This program is distributed in the hope that it will be useful, | |
18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | * GNU General Public License for more details. | |
21 | * | |
22 | * You should have received a copy of the GNU General Public License | |
23 | * along with this program; if not, write to the Free Software | |
24 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
25 | */ | |
26 | ||
27 | #include <linux/module.h> | |
28 | #include <linux/moduleparam.h> | |
29 | #include <linux/init.h> | |
30 | #include <linux/fs.h> | |
31 | #include <linux/delay.h> | |
32 | #include <linux/device.h> | |
33 | #include <linux/firmware.h> | |
34 | ||
35 | #include "cx88.h" | |
36 | ||
37 | MODULE_DESCRIPTION("driver for cx2388x/cx23416 based mpeg encoder cards"); | |
38 | MODULE_AUTHOR("Jelle Foks <jelle@foks.8m.com>"); | |
39 | MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]"); | |
40 | MODULE_LICENSE("GPL"); | |
41 | ||
42 | static unsigned int mpegbufs = 8; | |
43 | module_param(mpegbufs,int,0644); | |
44 | MODULE_PARM_DESC(mpegbufs,"number of mpeg buffers, range 2-32"); | |
45 | ||
46 | static unsigned int debug = 0; | |
47 | module_param(debug,int,0644); | |
48 | MODULE_PARM_DESC(debug,"enable debug messages [blackbird]"); | |
49 | ||
50 | #define dprintk(level,fmt, arg...) if (debug >= level) \ | |
51 | printk(KERN_DEBUG "%s/2-bb: " fmt, dev->core->name , ## arg) | |
52 | ||
53 | static LIST_HEAD(cx8802_devlist); | |
54 | ||
55 | /* ------------------------------------------------------------------ */ | |
56 | ||
57 | #define BLACKBIRD_FIRM_ENC_FILENAME "blackbird-fw-enc.bin" | |
58 | #define BLACKBIRD_FIRM_IMAGE_SIZE 256*1024 | |
59 | ||
60 | /* defines below are from ivtv-driver.h */ | |
61 | ||
62 | #define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF | |
63 | ||
64 | /*Firmware API commands*/ | |
65 | #define IVTV_API_ENC_PING_FW 0x00000080 | |
66 | #define IVTV_API_ENC_GETVER 0x000000C4 | |
67 | #define IVTV_API_ENC_HALT_FW 0x000000C3 | |
68 | #define IVTV_API_STD_TIMEOUT 0x00010000 /*units??*/ | |
69 | //#define IVTV_API_ASSIGN_PGM_INDEX_INFO 0x000000c7 | |
70 | #define IVTV_API_ASSIGN_STREAM_TYPE 0x000000b9 | |
71 | #define IVTV_API_ASSIGN_OUTPUT_PORT 0x000000bb | |
72 | #define IVTV_API_ASSIGN_FRAMERATE 0x0000008f | |
73 | #define IVTV_API_ASSIGN_FRAME_SIZE 0x00000091 | |
74 | #define IVTV_API_ASSIGN_ASPECT_RATIO 0x00000099 | |
75 | #define IVTV_API_ASSIGN_BITRATES 0x00000095 | |
76 | #define IVTV_API_ASSIGN_GOP_PROPERTIES 0x00000097 | |
77 | #define IVTV_API_ASSIGN_3_2_PULLDOWN 0x000000b1 | |
78 | #define IVTV_API_ASSIGN_GOP_CLOSURE 0x000000c5 | |
79 | #define IVTV_API_ASSIGN_AUDIO_PROPERTIES 0x000000bd | |
80 | #define IVTV_API_ASSIGN_DNR_FILTER_MODE 0x0000009b | |
81 | #define IVTV_API_ASSIGN_DNR_FILTER_PROPS 0x0000009d | |
82 | #define IVTV_API_ASSIGN_CORING_LEVELS 0x0000009f | |
83 | #define IVTV_API_ASSIGN_SPATIAL_FILTER_TYPE 0x000000a1 | |
84 | #define IVTV_API_ASSIGN_FRAME_DROP_RATE 0x000000d0 | |
85 | #define IVTV_API_ASSIGN_PLACEHOLDER 0x000000d8 | |
86 | #define IVTV_API_MUTE_VIDEO 0x000000d9 | |
87 | #define IVTV_API_MUTE_AUDIO 0x000000da | |
88 | #define IVTV_API_INITIALIZE_INPUT 0x000000cd | |
89 | #define IVTV_API_REFRESH_INPUT 0x000000d3 | |
90 | #define IVTV_API_ASSIGN_NUM_VSYNC_LINES 0x000000d6 | |
91 | #define IVTV_API_BEGIN_CAPTURE 0x00000081 | |
92 | //#define IVTV_API_PAUSE_ENCODER 0x000000d2 | |
93 | //#define IVTV_API_EVENT_NOTIFICATION 0x000000d5 | |
94 | #define IVTV_API_END_CAPTURE 0x00000082 | |
95 | ||
96 | /* Registers */ | |
97 | #define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8 /*| IVTV_REG_OFFSET*/) | |
98 | #define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC /*| IVTV_REG_OFFSET*/) | |
99 | #define IVTV_REG_SPU (0x9050 /*| IVTV_REG_OFFSET*/) | |
100 | #define IVTV_REG_HW_BLOCKS (0x9054 /*| IVTV_REG_OFFSET*/) | |
101 | #define IVTV_REG_VPU (0x9058 /*| IVTV_REG_OFFSET*/) | |
102 | #define IVTV_REG_APU (0xA064 /*| IVTV_REG_OFFSET*/) | |
103 | ||
104 | /* ------------------------------------------------------------------ */ | |
105 | ||
106 | static void host_setup(struct cx88_core *core) | |
107 | { | |
108 | /* toggle reset of the host */ | |
109 | cx_write(MO_GPHST_SOFT_RST, 1); | |
110 | udelay(100); | |
111 | cx_write(MO_GPHST_SOFT_RST, 0); | |
112 | udelay(100); | |
113 | ||
114 | /* host port setup */ | |
115 | cx_write(MO_GPHST_WSC, 0x44444444U); | |
116 | cx_write(MO_GPHST_XFR, 0); | |
117 | cx_write(MO_GPHST_WDTH, 15); | |
118 | cx_write(MO_GPHST_HDSHK, 0); | |
119 | cx_write(MO_GPHST_MUX16, 0x44448888U); | |
120 | cx_write(MO_GPHST_MODE, 0); | |
121 | } | |
122 | ||
123 | /* ------------------------------------------------------------------ */ | |
124 | ||
125 | #define P1_MDATA0 0x390000 | |
126 | #define P1_MDATA1 0x390001 | |
127 | #define P1_MDATA2 0x390002 | |
128 | #define P1_MDATA3 0x390003 | |
129 | #define P1_MADDR2 0x390004 | |
130 | #define P1_MADDR1 0x390005 | |
131 | #define P1_MADDR0 0x390006 | |
132 | #define P1_RDATA0 0x390008 | |
133 | #define P1_RDATA1 0x390009 | |
134 | #define P1_RDATA2 0x39000A | |
135 | #define P1_RDATA3 0x39000B | |
136 | #define P1_RADDR0 0x39000C | |
137 | #define P1_RADDR1 0x39000D | |
138 | #define P1_RRDWR 0x39000E | |
139 | ||
140 | static int wait_ready_gpio0_bit1(struct cx88_core *core, u32 state) | |
141 | { | |
142 | unsigned long timeout = jiffies + msecs_to_jiffies(1); | |
143 | u32 gpio0,need; | |
144 | ||
145 | need = state ? 2 : 0; | |
146 | for (;;) { | |
147 | gpio0 = cx_read(MO_GP0_IO) & 2; | |
148 | if (need == gpio0) | |
149 | return 0; | |
150 | if (time_after(jiffies,timeout)) | |
151 | return -1; | |
152 | udelay(1); | |
153 | } | |
154 | } | |
155 | ||
156 | static int memory_write(struct cx88_core *core, u32 address, u32 value) | |
157 | { | |
158 | /* Warning: address is dword address (4 bytes) */ | |
159 | cx_writeb(P1_MDATA0, (unsigned int)value); | |
160 | cx_writeb(P1_MDATA1, (unsigned int)(value >> 8)); | |
161 | cx_writeb(P1_MDATA2, (unsigned int)(value >> 16)); | |
162 | cx_writeb(P1_MDATA3, (unsigned int)(value >> 24)); | |
163 | cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) | 0x40); | |
164 | cx_writeb(P1_MADDR1, (unsigned int)(address >> 8)); | |
165 | cx_writeb(P1_MADDR0, (unsigned int)address); | |
166 | cx_read(P1_MDATA0); | |
167 | cx_read(P1_MADDR0); | |
168 | ||
169 | return wait_ready_gpio0_bit1(core,1); | |
170 | } | |
171 | ||
172 | static int memory_read(struct cx88_core *core, u32 address, u32 *value) | |
173 | { | |
174 | int retval; | |
175 | u32 val; | |
176 | ||
177 | /* Warning: address is dword address (4 bytes) */ | |
178 | cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) & ~0xC0); | |
179 | cx_writeb(P1_MADDR1, (unsigned int)(address >> 8)); | |
180 | cx_writeb(P1_MADDR0, (unsigned int)address); | |
181 | cx_read(P1_MADDR0); | |
182 | ||
183 | retval = wait_ready_gpio0_bit1(core,1); | |
184 | ||
185 | cx_writeb(P1_MDATA3, 0); | |
186 | val = (unsigned char)cx_read(P1_MDATA3) << 24; | |
187 | cx_writeb(P1_MDATA2, 0); | |
188 | val |= (unsigned char)cx_read(P1_MDATA2) << 16; | |
189 | cx_writeb(P1_MDATA1, 0); | |
190 | val |= (unsigned char)cx_read(P1_MDATA1) << 8; | |
191 | cx_writeb(P1_MDATA0, 0); | |
192 | val |= (unsigned char)cx_read(P1_MDATA0); | |
193 | ||
194 | *value = val; | |
195 | return retval; | |
196 | } | |
197 | ||
198 | static int register_write(struct cx88_core *core, u32 address, u32 value) | |
199 | { | |
200 | cx_writeb(P1_RDATA0, (unsigned int)value); | |
201 | cx_writeb(P1_RDATA1, (unsigned int)(value >> 8)); | |
202 | cx_writeb(P1_RDATA2, (unsigned int)(value >> 16)); | |
203 | cx_writeb(P1_RDATA3, (unsigned int)(value >> 24)); | |
204 | cx_writeb(P1_RADDR0, (unsigned int)address); | |
205 | cx_writeb(P1_RADDR1, (unsigned int)(address >> 8)); | |
206 | cx_writeb(P1_RRDWR, 1); | |
207 | cx_read(P1_RDATA0); | |
208 | cx_read(P1_RADDR0); | |
209 | ||
210 | return wait_ready_gpio0_bit1(core,1); | |
211 | } | |
212 | ||
213 | ||
214 | static int register_read(struct cx88_core *core, u32 address, u32 *value) | |
215 | { | |
216 | int retval; | |
217 | u32 val; | |
218 | ||
219 | cx_writeb(P1_RADDR0, (unsigned int)address); | |
220 | cx_writeb(P1_RADDR1, (unsigned int)(address >> 8)); | |
221 | cx_writeb(P1_RRDWR, 0); | |
222 | cx_read(P1_RADDR0); | |
223 | ||
224 | retval = wait_ready_gpio0_bit1(core,1); | |
225 | val = (unsigned char)cx_read(P1_RDATA0); | |
226 | val |= (unsigned char)cx_read(P1_RDATA1) << 8; | |
227 | val |= (unsigned char)cx_read(P1_RDATA2) << 16; | |
228 | val |= (unsigned char)cx_read(P1_RDATA3) << 24; | |
229 | ||
230 | *value = val; | |
231 | return retval; | |
232 | } | |
233 | ||
234 | /* ------------------------------------------------------------------ */ | |
235 | ||
236 | /* We don't need to call the API often, so using just one mailbox will probably suffice */ | |
237 | static int blackbird_api_cmd(struct cx8802_dev *dev, u32 command, | |
238 | u32 inputcnt, u32 outputcnt, ...) | |
239 | { | |
240 | unsigned long timeout; | |
241 | u32 value, flag, retval; | |
242 | int i; | |
243 | va_list args; | |
244 | va_start(args, outputcnt); | |
245 | ||
246 | dprintk(1,"%s: 0x%X\n", __FUNCTION__, command); | |
247 | ||
248 | /* this may not be 100% safe if we can't read any memory location | |
249 | without side effects */ | |
250 | memory_read(dev->core, dev->mailbox - 4, &value); | |
251 | if (value != 0x12345678) { | |
252 | dprintk(0, "Firmware and/or mailbox pointer not initialized or corrupted\n"); | |
253 | return -1; | |
254 | } | |
255 | ||
256 | memory_read(dev->core, dev->mailbox, &flag); | |
257 | if (flag) { | |
258 | dprintk(0, "ERROR: Mailbox appears to be in use (%x)\n", flag); | |
259 | return -1; | |
260 | } | |
261 | ||
262 | flag |= 1; /* tell 'em we're working on it */ | |
263 | memory_write(dev->core, dev->mailbox, flag); | |
264 | ||
265 | /* write command + args + fill remaining with zeros */ | |
266 | memory_write(dev->core, dev->mailbox + 1, command); /* command code */ | |
267 | memory_write(dev->core, dev->mailbox + 3, IVTV_API_STD_TIMEOUT); /* timeout */ | |
268 | for (i = 0; i < inputcnt ; i++) { | |
269 | value = va_arg(args, int); | |
270 | memory_write(dev->core, dev->mailbox + 4 + i, value); | |
271 | dprintk(1, "API Input %d = %d\n", i, value); | |
272 | } | |
273 | for (; i < 16 ; i++) | |
274 | memory_write(dev->core, dev->mailbox + 4 + i, 0); | |
275 | ||
276 | flag |= 3; /* tell 'em we're done writing */ | |
277 | memory_write(dev->core, dev->mailbox, flag); | |
278 | ||
279 | /* wait for firmware to handle the API command */ | |
280 | timeout = jiffies + msecs_to_jiffies(10); | |
281 | for (;;) { | |
282 | memory_read(dev->core, dev->mailbox, &flag); | |
283 | if (0 != (flag & 4)) | |
284 | break; | |
285 | if (time_after(jiffies,timeout)) { | |
286 | dprintk(0, "ERROR: API Mailbox timeout\n"); | |
287 | return -1; | |
288 | } | |
289 | udelay(10); | |
290 | } | |
291 | ||
292 | /* read output values */ | |
293 | for (i = 0; i < outputcnt ; i++) { | |
294 | int *vptr = va_arg(args, int *); | |
295 | memory_read(dev->core, dev->mailbox + 4 + i, vptr); | |
296 | dprintk(1, "API Output %d = %d\n", i, *vptr); | |
297 | } | |
298 | va_end(args); | |
299 | ||
300 | memory_read(dev->core, dev->mailbox + 2, &retval); | |
301 | dprintk(1, "API result = %d\n",retval); | |
302 | ||
303 | flag = 0; | |
304 | memory_write(dev->core, dev->mailbox, flag); | |
305 | return retval; | |
306 | } | |
307 | ||
308 | ||
309 | static int blackbird_find_mailbox(struct cx8802_dev *dev) | |
310 | { | |
311 | u32 signature[4]={0x12345678, 0x34567812, 0x56781234, 0x78123456}; | |
312 | int signaturecnt=0; | |
313 | u32 value; | |
314 | int i; | |
315 | ||
316 | for (i = 0; i < BLACKBIRD_FIRM_IMAGE_SIZE; i++) { | |
317 | memory_read(dev->core, i, &value); | |
318 | if (value == signature[signaturecnt]) | |
319 | signaturecnt++; | |
320 | else | |
321 | signaturecnt = 0; | |
322 | if (4 == signaturecnt) { | |
323 | dprintk(1, "Mailbox signature found\n"); | |
324 | return i+1; | |
325 | } | |
326 | } | |
327 | dprintk(0, "Mailbox signature values not found!\n"); | |
328 | return -1; | |
329 | } | |
330 | ||
331 | static int blackbird_load_firmware(struct cx8802_dev *dev) | |
332 | { | |
333 | static const unsigned char magic[8] = { | |
334 | 0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa | |
335 | }; | |
336 | const struct firmware *firmware; | |
337 | int i, retval = 0; | |
338 | u32 value = 0; | |
339 | u32 checksum = 0; | |
340 | u32 *dataptr; | |
341 | ||
342 | retval = register_write(dev->core, IVTV_REG_VPU, 0xFFFFFFED); | |
343 | retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST); | |
344 | retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_REFRESH, 0x80000640); | |
345 | retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_PRECHARGE, 0x1A); | |
346 | msleep(1); | |
347 | retval |= register_write(dev->core, IVTV_REG_APU, 0); | |
348 | ||
349 | if (retval < 0) | |
350 | dprintk(0, "Error with register_write\n"); | |
351 | ||
352 | retval = request_firmware(&firmware, BLACKBIRD_FIRM_ENC_FILENAME, | |
353 | &dev->pci->dev); | |
354 | if (retval != 0) { | |
355 | dprintk(0, "ERROR: Hotplug firmware request failed (%s).\n", | |
356 | BLACKBIRD_FIRM_ENC_FILENAME); | |
357 | dprintk(0, "Please fix your hotplug setup, the board will " | |
358 | "not work without firmware loaded!\n"); | |
359 | return -1; | |
360 | } | |
361 | ||
362 | if (firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) { | |
363 | dprintk(0, "ERROR: Firmware size mismatch (have %zd, expected %d)\n", | |
364 | firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE); | |
365 | return -1; | |
366 | } | |
367 | ||
368 | if (0 != memcmp(firmware->data, magic, 8)) { | |
369 | dprintk(0, "ERROR: Firmware magic mismatch, wrong file?\n"); | |
370 | return -1; | |
371 | } | |
372 | ||
373 | /* transfer to the chip */ | |
374 | dprintk(1,"Loading firmware ...\n"); | |
375 | dataptr = (u32*)firmware->data; | |
376 | for (i = 0; i < (firmware->size >> 2); i++) { | |
377 | value = *dataptr; | |
378 | checksum += ~value; | |
379 | memory_write(dev->core, i, value); | |
380 | dataptr++; | |
381 | } | |
382 | ||
383 | /* read back to verify with the checksum */ | |
384 | for (i--; i >= 0; i--) { | |
385 | memory_read(dev->core, i, &value); | |
386 | checksum -= ~value; | |
387 | } | |
388 | if (checksum) { | |
389 | dprintk(0, "ERROR: Firmware load failed (checksum mismatch).\n"); | |
390 | return -1; | |
391 | } | |
392 | release_firmware(firmware); | |
393 | dprintk(0, "Firmware upload successful.\n"); | |
394 | ||
395 | retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST); | |
396 | retval |= register_read(dev->core, IVTV_REG_SPU, &value); | |
397 | retval |= register_write(dev->core, IVTV_REG_SPU, value & 0xFFFFFFFE); | |
398 | msleep(1); | |
399 | ||
400 | retval |= register_read(dev->core, IVTV_REG_VPU, &value); | |
401 | retval |= register_write(dev->core, IVTV_REG_VPU, value & 0xFFFFFFE8); | |
402 | ||
403 | if (retval < 0) | |
404 | dprintk(0, "Error with register_write\n"); | |
405 | return 0; | |
406 | } | |
407 | ||
408 | static void blackbird_codec_settings(struct cx8802_dev *dev) | |
409 | { | |
410 | int bitrate_mode = 1; | |
411 | int bitrate = 7500000; | |
412 | int bitrate_peak = 7500000; | |
413 | ||
414 | /* assign stream type */ | |
415 | blackbird_api_cmd(dev, IVTV_API_ASSIGN_STREAM_TYPE, 1, 0, 0); /* program stream */ | |
416 | //blackbird_api_cmd(dev, IVTV_API_ASSIGN_STREAM_TYPE, 1, 0, 2); /* MPEG1 stream */ | |
417 | //blackbird_api_cmd(dev, IVTV_API_ASSIGN_STREAM_TYPE, 1, 0, 3); /* PES A/V */ | |
418 | //blackbird_api_cmd(dev, IVTV_API_ASSIGN_STREAM_TYPE, 1, 0, 10); /* DVD stream */ | |
419 | ||
420 | /* assign output port */ | |
421 | blackbird_api_cmd(dev, IVTV_API_ASSIGN_OUTPUT_PORT, 1, 0, 1); /* 1 = Host */ | |
422 | ||
423 | /* assign framerate */ | |
424 | blackbird_api_cmd(dev, IVTV_API_ASSIGN_FRAMERATE, 1, 0, 0); | |
425 | ||
426 | /* assign frame size */ | |
427 | blackbird_api_cmd(dev, IVTV_API_ASSIGN_FRAME_SIZE, 2, 0, | |
428 | dev->height, dev->width); | |
429 | ||
430 | /* assign aspect ratio */ | |
431 | blackbird_api_cmd(dev, IVTV_API_ASSIGN_ASPECT_RATIO, 1, 0, 2); | |
432 | ||
433 | /* assign bitrates */ | |
434 | blackbird_api_cmd(dev, IVTV_API_ASSIGN_BITRATES, 5, 0, | |
435 | bitrate_mode, /* mode */ | |
436 | bitrate, /* bps */ | |
437 | bitrate_peak / 400, /* peak/400 */ | |
438 | 0, 0x70); /* encoding buffer, ckennedy */ | |
439 | ||
440 | /* assign gop properties */ | |
441 | blackbird_api_cmd(dev, IVTV_API_ASSIGN_GOP_PROPERTIES, 2, 0, 15, 3); | |
442 | //blackbird_api_cmd(dev, IVTV_API_ASSIGN_GOP_PROPERTIES, 2, 0, 2, 1); | |
443 | ||
444 | /* assign 3 2 pulldown */ | |
445 | blackbird_api_cmd(dev, IVTV_API_ASSIGN_3_2_PULLDOWN, 1, 0, 0); | |
446 | ||
447 | /* note: it's not necessary to set the samplerate, the mpeg encoder seems to autodetect/adjust */ | |
448 | blackbird_api_cmd(dev, IVTV_API_ASSIGN_AUDIO_PROPERTIES, 1, 0, (2<<2) | (8<<4)); | |
449 | ||
450 | /* assign gop closure */ | |
451 | blackbird_api_cmd(dev, IVTV_API_ASSIGN_GOP_CLOSURE, 1, 0, 0); | |
452 | ||
453 | /* assign audio properties */ | |
454 | blackbird_api_cmd(dev, IVTV_API_ASSIGN_AUDIO_PROPERTIES, 1, 0, 0 | (2 << 2) | (14 << 4)); | |
455 | ||
456 | /* assign dnr filter mode */ | |
457 | blackbird_api_cmd(dev, IVTV_API_ASSIGN_DNR_FILTER_MODE, 2, 0, 0, 0); | |
458 | ||
459 | /* assign dnr filter props*/ | |
460 | blackbird_api_cmd(dev, IVTV_API_ASSIGN_DNR_FILTER_PROPS, 2, 0, 0, 0); | |
461 | ||
462 | /* assign coring levels (luma_h, luma_l, chroma_h, chroma_l) */ | |
463 | blackbird_api_cmd(dev, IVTV_API_ASSIGN_CORING_LEVELS, 4, 0, 0, 255, 0, 255); | |
464 | ||
465 | /* assign spatial filter type: luma_t: 1 = horiz_only, chroma_t: 1 = horiz_only */ | |
466 | blackbird_api_cmd(dev, IVTV_API_ASSIGN_SPATIAL_FILTER_TYPE, 2, 0, 1, 1); | |
467 | ||
468 | /* assign frame drop rate */ | |
469 | blackbird_api_cmd(dev, IVTV_API_ASSIGN_FRAME_DROP_RATE, 1, 0, 0); | |
470 | } | |
471 | ||
472 | static int blackbird_initialize_codec(struct cx8802_dev *dev) | |
473 | { | |
474 | struct cx88_core *core = dev->core; | |
475 | int version; | |
476 | int retval; | |
477 | ||
478 | dprintk(1,"Initialize codec\n"); | |
479 | retval = blackbird_api_cmd(dev, IVTV_API_ENC_PING_FW, 0, 0); /* ping */ | |
480 | if (retval < 0) { | |
481 | /* ping was not successful, reset and upload firmware */ | |
482 | cx_write(MO_SRST_IO, 0); /* SYS_RSTO=0 */ | |
483 | msleep(1); | |
484 | cx_write(MO_SRST_IO, 1); /* SYS_RSTO=1 */ | |
485 | msleep(1); | |
486 | retval = blackbird_load_firmware(dev); | |
487 | if (retval < 0) | |
488 | return retval; | |
489 | ||
490 | dev->mailbox = blackbird_find_mailbox(dev); | |
491 | if (dev->mailbox < 0) | |
492 | return -1; | |
493 | ||
494 | retval = blackbird_api_cmd(dev, IVTV_API_ENC_PING_FW, 0, 0); /* ping */ | |
495 | if (retval < 0) { | |
496 | dprintk(0, "ERROR: Firmware ping failed!\n"); | |
497 | return -1; | |
498 | } | |
499 | ||
500 | retval = blackbird_api_cmd(dev, IVTV_API_ENC_GETVER, 0, 1, &version); | |
501 | if (retval < 0) { | |
502 | dprintk(0, "ERROR: Firmware get encoder version failed!\n"); | |
503 | return -1; | |
504 | } | |
505 | dprintk(0, "Firmware version is 0x%08x\n", version); | |
506 | } | |
507 | msleep(1); | |
508 | ||
509 | cx_write(MO_PINMUX_IO, 0x88); /* 656-8bit IO and enable MPEG parallel IO */ | |
510 | cx_clear(MO_INPUT_FORMAT, 0x100); /* chroma subcarrier lock to normal? */ | |
511 | cx_write(MO_VBOS_CONTROL, 0x84A00); /* no 656 mode, 8-bit pixels, disable VBI */ | |
512 | cx_clear(MO_OUTPUT_FORMAT, 0x0008); /* Normal Y-limits to let the mpeg encoder sync */ | |
513 | ||
514 | #if 0 /* FIXME */ | |
515 | set_scale(dev, 720, 480, V4L2_FIELD_INTERLACED); | |
516 | #endif | |
517 | blackbird_codec_settings(dev); | |
518 | msleep(1); | |
519 | ||
520 | //blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0xef, 0xef); | |
521 | blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0xf0, 0xf0); | |
522 | //blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0x180, 0x180); | |
523 | blackbird_api_cmd(dev, IVTV_API_ASSIGN_PLACEHOLDER, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); | |
524 | ||
525 | blackbird_api_cmd(dev, IVTV_API_INITIALIZE_INPUT, 0, 0); /* initialize the video input */ | |
526 | ||
527 | msleep(1); | |
528 | ||
529 | blackbird_api_cmd(dev, IVTV_API_MUTE_VIDEO, 1, 0, 0); | |
530 | msleep(1); | |
531 | blackbird_api_cmd(dev, IVTV_API_MUTE_AUDIO, 1, 0, 0); | |
532 | msleep(1); | |
533 | ||
534 | blackbird_api_cmd(dev, IVTV_API_BEGIN_CAPTURE, 2, 0, 0, 0x13); /* start capturing to the host interface */ | |
535 | //blackbird_api_cmd(dev, IVTV_API_BEGIN_CAPTURE, 2, 0, 0, 0); /* start capturing to the host interface */ | |
536 | msleep(1); | |
537 | ||
538 | blackbird_api_cmd(dev, IVTV_API_REFRESH_INPUT, 0,0); | |
539 | return 0; | |
540 | } | |
541 | ||
542 | /* ------------------------------------------------------------------ */ | |
543 | ||
544 | static int bb_buf_setup(struct videobuf_queue *q, | |
545 | unsigned int *count, unsigned int *size) | |
546 | { | |
547 | struct cx8802_fh *fh = q->priv_data; | |
548 | ||
549 | fh->dev->ts_packet_size = 512; | |
550 | fh->dev->ts_packet_count = 100; | |
551 | ||
552 | *size = fh->dev->ts_packet_size * fh->dev->ts_packet_count; | |
553 | if (0 == *count) | |
554 | *count = mpegbufs; | |
555 | if (*count < 2) | |
556 | *count = 2; | |
557 | if (*count > 32) | |
558 | *count = 32; | |
559 | return 0; | |
560 | } | |
561 | ||
562 | static int | |
563 | bb_buf_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, | |
564 | enum v4l2_field field) | |
565 | { | |
566 | struct cx8802_fh *fh = q->priv_data; | |
567 | return cx8802_buf_prepare(fh->dev, (struct cx88_buffer*)vb); | |
568 | } | |
569 | ||
570 | static void | |
571 | bb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb) | |
572 | { | |
573 | struct cx8802_fh *fh = q->priv_data; | |
574 | cx8802_buf_queue(fh->dev, (struct cx88_buffer*)vb); | |
575 | } | |
576 | ||
577 | static void | |
578 | bb_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb) | |
579 | { | |
580 | struct cx8802_fh *fh = q->priv_data; | |
581 | cx88_free_buffer(fh->dev->pci, (struct cx88_buffer*)vb); | |
582 | } | |
583 | ||
584 | static struct videobuf_queue_ops blackbird_qops = { | |
585 | .buf_setup = bb_buf_setup, | |
586 | .buf_prepare = bb_buf_prepare, | |
587 | .buf_queue = bb_buf_queue, | |
588 | .buf_release = bb_buf_release, | |
589 | }; | |
590 | ||
591 | /* ------------------------------------------------------------------ */ | |
592 | ||
593 | static int mpeg_do_ioctl(struct inode *inode, struct file *file, | |
594 | unsigned int cmd, void *arg) | |
595 | { | |
596 | struct cx8802_fh *fh = file->private_data; | |
597 | struct cx8802_dev *dev = fh->dev; | |
598 | ||
599 | if (debug > 1) | |
600 | cx88_print_ioctl(dev->core->name,cmd); | |
601 | ||
602 | switch (cmd) { | |
603 | ||
604 | /* --- capture ioctls ---------------------------------------- */ | |
605 | case VIDIOC_ENUM_FMT: | |
606 | { | |
607 | struct v4l2_fmtdesc *f = arg; | |
608 | int index; | |
609 | ||
610 | index = f->index; | |
611 | if (index != 0) | |
612 | return -EINVAL; | |
613 | ||
614 | memset(f,0,sizeof(*f)); | |
615 | f->index = index; | |
616 | strlcpy(f->description, "MPEG TS", sizeof(f->description)); | |
617 | f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
618 | f->pixelformat = V4L2_PIX_FMT_MPEG; | |
619 | return 0; | |
620 | } | |
621 | case VIDIOC_G_FMT: | |
622 | case VIDIOC_S_FMT: | |
623 | case VIDIOC_TRY_FMT: | |
624 | { | |
625 | /* FIXME -- quick'n'dirty for exactly one size ... */ | |
626 | struct v4l2_format *f = arg; | |
627 | ||
628 | memset(f,0,sizeof(*f)); | |
629 | f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
630 | f->fmt.pix.width = dev->width; | |
631 | f->fmt.pix.height = dev->height; | |
632 | f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; | |
633 | f->fmt.pix.sizeimage = 1024 * 512 /* FIXME: BUFFER_SIZE */; | |
634 | } | |
635 | ||
636 | /* --- streaming capture ------------------------------------- */ | |
637 | case VIDIOC_REQBUFS: | |
638 | return videobuf_reqbufs(&fh->mpegq, arg); | |
639 | ||
640 | case VIDIOC_QUERYBUF: | |
641 | return videobuf_querybuf(&fh->mpegq, arg); | |
642 | ||
643 | case VIDIOC_QBUF: | |
644 | return videobuf_qbuf(&fh->mpegq, arg); | |
645 | ||
646 | case VIDIOC_DQBUF: | |
647 | return videobuf_dqbuf(&fh->mpegq, arg, | |
648 | file->f_flags & O_NONBLOCK); | |
649 | ||
650 | case VIDIOC_STREAMON: | |
651 | return videobuf_streamon(&fh->mpegq); | |
652 | ||
653 | case VIDIOC_STREAMOFF: | |
654 | return videobuf_streamoff(&fh->mpegq); | |
655 | ||
656 | default: | |
657 | return -EINVAL; | |
658 | } | |
659 | return 0; | |
660 | } | |
661 | ||
662 | static int mpeg_ioctl(struct inode *inode, struct file *file, | |
663 | unsigned int cmd, unsigned long arg) | |
664 | { | |
665 | return video_usercopy(inode, file, cmd, arg, mpeg_do_ioctl); | |
666 | } | |
667 | ||
668 | static int mpeg_open(struct inode *inode, struct file *file) | |
669 | { | |
670 | int minor = iminor(inode); | |
671 | struct cx8802_dev *h,*dev = NULL; | |
672 | struct cx8802_fh *fh; | |
673 | struct list_head *list; | |
674 | ||
675 | list_for_each(list,&cx8802_devlist) { | |
676 | h = list_entry(list, struct cx8802_dev, devlist); | |
677 | if (h->mpeg_dev->minor == minor) | |
678 | dev = h; | |
679 | } | |
680 | if (NULL == dev) | |
681 | return -ENODEV; | |
682 | ||
683 | if (blackbird_initialize_codec(dev) < 0) | |
684 | return -EINVAL; | |
685 | dprintk(1,"open minor=%d\n",minor); | |
686 | ||
687 | /* allocate + initialize per filehandle data */ | |
688 | fh = kmalloc(sizeof(*fh),GFP_KERNEL); | |
689 | if (NULL == fh) | |
690 | return -ENOMEM; | |
691 | memset(fh,0,sizeof(*fh)); | |
692 | file->private_data = fh; | |
693 | fh->dev = dev; | |
694 | ||
695 | /* FIXME: locking against other video device */ | |
696 | cx88_set_scale(dev->core, dev->width, dev->height, | |
697 | V4L2_FIELD_INTERLACED); | |
698 | ||
699 | videobuf_queue_init(&fh->mpegq, &blackbird_qops, | |
700 | dev->pci, &dev->slock, | |
701 | V4L2_BUF_TYPE_VIDEO_CAPTURE, | |
702 | V4L2_FIELD_TOP, | |
703 | sizeof(struct cx88_buffer), | |
704 | fh); | |
705 | return 0; | |
706 | } | |
707 | ||
708 | static int mpeg_release(struct inode *inode, struct file *file) | |
709 | { | |
710 | struct cx8802_fh *fh = file->private_data; | |
711 | ||
712 | blackbird_api_cmd(fh->dev, IVTV_API_END_CAPTURE, 3, 0, 1, 0, 0x13); | |
713 | ||
714 | /* stop mpeg capture */ | |
715 | if (fh->mpegq.streaming) | |
716 | videobuf_streamoff(&fh->mpegq); | |
717 | if (fh->mpegq.reading) | |
718 | videobuf_read_stop(&fh->mpegq); | |
719 | ||
720 | videobuf_mmap_free(&fh->mpegq); | |
721 | file->private_data = NULL; | |
722 | kfree(fh); | |
723 | return 0; | |
724 | } | |
725 | ||
726 | static ssize_t | |
727 | mpeg_read(struct file *file, char __user *data, size_t count, loff_t *ppos) | |
728 | { | |
729 | struct cx8802_fh *fh = file->private_data; | |
730 | ||
731 | return videobuf_read_stream(&fh->mpegq, data, count, ppos, 0, | |
732 | file->f_flags & O_NONBLOCK); | |
733 | } | |
734 | ||
735 | static unsigned int | |
736 | mpeg_poll(struct file *file, struct poll_table_struct *wait) | |
737 | { | |
738 | struct cx8802_fh *fh = file->private_data; | |
739 | ||
740 | return videobuf_poll_stream(file, &fh->mpegq, wait); | |
741 | } | |
742 | ||
743 | static int | |
744 | mpeg_mmap(struct file *file, struct vm_area_struct * vma) | |
745 | { | |
746 | struct cx8802_fh *fh = file->private_data; | |
747 | ||
748 | return videobuf_mmap_mapper(&fh->mpegq, vma); | |
749 | } | |
750 | ||
751 | static struct file_operations mpeg_fops = | |
752 | { | |
753 | .owner = THIS_MODULE, | |
754 | .open = mpeg_open, | |
755 | .release = mpeg_release, | |
756 | .read = mpeg_read, | |
757 | .poll = mpeg_poll, | |
758 | .mmap = mpeg_mmap, | |
759 | .ioctl = mpeg_ioctl, | |
760 | .llseek = no_llseek, | |
761 | }; | |
762 | ||
763 | static struct video_device cx8802_mpeg_template = | |
764 | { | |
765 | .name = "cx8802", | |
766 | .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES|VID_TYPE_MPEG_ENCODER, | |
767 | .hardware = 0, | |
768 | .fops = &mpeg_fops, | |
769 | .minor = -1, | |
770 | }; | |
771 | ||
772 | /* ------------------------------------------------------------------ */ | |
773 | ||
774 | static void blackbird_unregister_video(struct cx8802_dev *dev) | |
775 | { | |
776 | if (dev->mpeg_dev) { | |
777 | if (-1 != dev->mpeg_dev->minor) | |
778 | video_unregister_device(dev->mpeg_dev); | |
779 | else | |
780 | video_device_release(dev->mpeg_dev); | |
781 | dev->mpeg_dev = NULL; | |
782 | } | |
783 | } | |
784 | ||
785 | static int blackbird_register_video(struct cx8802_dev *dev) | |
786 | { | |
787 | int err; | |
788 | ||
789 | dev->mpeg_dev = cx88_vdev_init(dev->core,dev->pci, | |
790 | &cx8802_mpeg_template,"mpeg"); | |
791 | err = video_register_device(dev->mpeg_dev,VFL_TYPE_GRABBER, -1); | |
792 | if (err < 0) { | |
793 | printk(KERN_INFO "%s/2: can't register mpeg device\n", | |
794 | dev->core->name); | |
795 | return err; | |
796 | } | |
797 | printk(KERN_INFO "%s/2: registered device video%d [mpeg]\n", | |
798 | dev->core->name,dev->mpeg_dev->minor & 0x1f); | |
799 | return 0; | |
800 | } | |
801 | ||
802 | /* ----------------------------------------------------------- */ | |
803 | ||
804 | static int __devinit blackbird_probe(struct pci_dev *pci_dev, | |
805 | const struct pci_device_id *pci_id) | |
806 | { | |
807 | struct cx8802_dev *dev; | |
808 | struct cx88_core *core; | |
809 | int err; | |
810 | ||
811 | /* general setup */ | |
812 | core = cx88_core_get(pci_dev); | |
813 | if (NULL == core) | |
814 | return -EINVAL; | |
815 | ||
816 | err = -ENODEV; | |
817 | if (!cx88_boards[core->board].blackbird) | |
818 | goto fail_core; | |
819 | ||
820 | err = -ENOMEM; | |
821 | dev = kmalloc(sizeof(*dev),GFP_KERNEL); | |
822 | if (NULL == dev) | |
823 | goto fail_core; | |
824 | memset(dev,0,sizeof(*dev)); | |
825 | dev->pci = pci_dev; | |
826 | dev->core = core; | |
827 | dev->width = 720; | |
828 | dev->height = 480; | |
829 | ||
830 | err = cx8802_init_common(dev); | |
831 | if (0 != err) | |
832 | goto fail_free; | |
833 | ||
834 | /* blackbird stuff */ | |
835 | printk("%s/2: cx23416 based mpeg encoder (blackbird reference design)\n", | |
836 | core->name); | |
837 | host_setup(dev->core); | |
838 | ||
839 | list_add_tail(&dev->devlist,&cx8802_devlist); | |
840 | blackbird_register_video(dev); | |
841 | return 0; | |
842 | ||
843 | fail_free: | |
844 | kfree(dev); | |
845 | fail_core: | |
846 | cx88_core_put(core,pci_dev); | |
847 | return err; | |
848 | } | |
849 | ||
850 | static void __devexit blackbird_remove(struct pci_dev *pci_dev) | |
851 | { | |
852 | struct cx8802_dev *dev = pci_get_drvdata(pci_dev); | |
853 | ||
854 | /* blackbird */ | |
855 | blackbird_unregister_video(dev); | |
856 | list_del(&dev->devlist); | |
857 | ||
858 | /* common */ | |
859 | cx8802_fini_common(dev); | |
860 | cx88_core_put(dev->core,dev->pci); | |
861 | kfree(dev); | |
862 | } | |
863 | ||
864 | static struct pci_device_id cx8802_pci_tbl[] = { | |
865 | { | |
866 | .vendor = 0x14f1, | |
867 | .device = 0x8802, | |
868 | .subvendor = PCI_ANY_ID, | |
869 | .subdevice = PCI_ANY_ID, | |
870 | },{ | |
871 | /* --- end of list --- */ | |
872 | } | |
873 | }; | |
874 | MODULE_DEVICE_TABLE(pci, cx8802_pci_tbl); | |
875 | ||
876 | static struct pci_driver blackbird_pci_driver = { | |
877 | .name = "cx88-blackbird", | |
878 | .id_table = cx8802_pci_tbl, | |
879 | .probe = blackbird_probe, | |
880 | .remove = __devexit_p(blackbird_remove), | |
881 | .suspend = cx8802_suspend_common, | |
882 | .resume = cx8802_resume_common, | |
883 | }; | |
884 | ||
885 | static int blackbird_init(void) | |
886 | { | |
887 | printk(KERN_INFO "cx2388x blackbird driver version %d.%d.%d loaded\n", | |
888 | (CX88_VERSION_CODE >> 16) & 0xff, | |
889 | (CX88_VERSION_CODE >> 8) & 0xff, | |
890 | CX88_VERSION_CODE & 0xff); | |
891 | #ifdef SNAPSHOT | |
892 | printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n", | |
893 | SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100); | |
894 | #endif | |
895 | return pci_register_driver(&blackbird_pci_driver); | |
896 | } | |
897 | ||
898 | static void blackbird_fini(void) | |
899 | { | |
900 | pci_unregister_driver(&blackbird_pci_driver); | |
901 | } | |
902 | ||
903 | module_init(blackbird_init); | |
904 | module_exit(blackbird_fini); | |
905 | ||
906 | /* ----------------------------------------------------------- */ | |
907 | /* | |
908 | * Local variables: | |
909 | * c-basic-offset: 8 | |
910 | * End: | |
911 | */ |