Commit | Line | Data |
---|---|---|
1a0adaf3 HV |
1 | /* |
2 | ivtv firmware functions. | |
3 | Copyright (C) 2003-2004 Kevin Thayer <nufan_wfk at yahoo.com> | |
4 | Copyright (C) 2004 Chris Kennedy <c@groovy.org> | |
5 | Copyright (C) 2005-2007 Hans Verkuil <hverkuil@xs4all.nl> | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
20 | */ | |
21 | ||
22 | #include "ivtv-driver.h" | |
23 | #include "ivtv-mailbox.h" | |
24 | #include "ivtv-firmware.h" | |
a54d1dea | 25 | #include "ivtv-yuv.h" |
215659d1 IA |
26 | #include "ivtv-ioctl.h" |
27 | #include "ivtv-cards.h" | |
1a0adaf3 | 28 | #include <linux/firmware.h> |
215659d1 | 29 | #include <media/saa7127.h> |
1a0adaf3 HV |
30 | |
31 | #define IVTV_MASK_SPU_ENABLE 0xFFFFFFFE | |
32 | #define IVTV_MASK_VPU_ENABLE15 0xFFFFFFF6 | |
33 | #define IVTV_MASK_VPU_ENABLE16 0xFFFFFFFB | |
34 | #define IVTV_CMD_VDM_STOP 0x00000000 | |
35 | #define IVTV_CMD_AO_STOP 0x00000005 | |
36 | #define IVTV_CMD_APU_PING 0x00000000 | |
37 | #define IVTV_CMD_VPU_STOP15 0xFFFFFFFE | |
38 | #define IVTV_CMD_VPU_STOP16 0xFFFFFFEE | |
39 | #define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF | |
40 | #define IVTV_CMD_SPU_STOP 0x00000001 | |
41 | #define IVTV_CMD_SDRAM_PRECHARGE_INIT 0x0000001A | |
42 | #define IVTV_CMD_SDRAM_REFRESH_INIT 0x80000640 | |
201700d3 | 43 | #define IVTV_SDRAM_SLEEPTIME 600 |
1a0adaf3 HV |
44 | |
45 | #define IVTV_DECODE_INIT_MPEG_FILENAME "v4l-cx2341x-init.mpg" | |
46 | #define IVTV_DECODE_INIT_MPEG_SIZE (152*1024) | |
47 | ||
48 | /* Encoder/decoder firmware sizes */ | |
49 | #define IVTV_FW_ENC_SIZE (376836) | |
50 | #define IVTV_FW_DEC_SIZE (256*1024) | |
51 | ||
52 | static int load_fw_direct(const char *fn, volatile u8 __iomem *mem, struct ivtv *itv, long size) | |
53 | { | |
54 | const struct firmware *fw = NULL; | |
55 | int retries = 3; | |
56 | ||
57 | retry: | |
8ac05ae3 | 58 | if (retries && request_firmware(&fw, fn, &itv->pdev->dev) == 0) { |
1a0adaf3 HV |
59 | int i; |
60 | volatile u32 __iomem *dst = (volatile u32 __iomem *)mem; | |
61 | const u32 *src = (const u32 *)fw->data; | |
62 | ||
a957641b | 63 | if (fw->size != size) { |
1a0adaf3 HV |
64 | /* Due to race conditions in firmware loading (esp. with udev <0.95) |
65 | the wrong file was sometimes loaded. So we check filesizes to | |
66 | see if at least the right-sized file was loaded. If not, then we | |
67 | retry. */ | |
ae38d93b | 68 | IVTV_INFO("Retry: file loaded was not %s (expected size %ld, got %zd)\n", fn, size, fw->size); |
1a0adaf3 HV |
69 | release_firmware(fw); |
70 | retries--; | |
71 | goto retry; | |
72 | } | |
73 | for (i = 0; i < fw->size; i += 4) { | |
74 | /* no need for endianness conversion on the ppc */ | |
75 | __raw_writel(*src, dst); | |
76 | dst++; | |
77 | src++; | |
78 | } | |
ae38d93b | 79 | IVTV_INFO("Loaded %s firmware (%zd bytes)\n", fn, fw->size); |
be9a5c7d | 80 | release_firmware(fw); |
1a0adaf3 HV |
81 | return size; |
82 | } | |
ae38d93b HV |
83 | IVTV_ERR("Unable to open firmware %s (must be %ld bytes)\n", fn, size); |
84 | IVTV_ERR("Did you put the firmware in the hotplug firmware directory?\n"); | |
1a0adaf3 HV |
85 | return -ENOMEM; |
86 | } | |
87 | ||
88 | void ivtv_halt_firmware(struct ivtv *itv) | |
89 | { | |
90 | IVTV_DEBUG_INFO("Preparing for firmware halt.\n"); | |
91 | if (itv->has_cx23415 && itv->dec_mbox.mbox) | |
92 | ivtv_vapi(itv, CX2341X_DEC_HALT_FW, 0); | |
93 | if (itv->enc_mbox.mbox) | |
94 | ivtv_vapi(itv, CX2341X_ENC_HALT_FW, 0); | |
95 | ||
201700d3 | 96 | ivtv_msleep_timeout(10, 0); |
1a0adaf3 HV |
97 | itv->enc_mbox.mbox = itv->dec_mbox.mbox = NULL; |
98 | ||
99 | IVTV_DEBUG_INFO("Stopping VDM\n"); | |
100 | write_reg(IVTV_CMD_VDM_STOP, IVTV_REG_VDM); | |
101 | ||
102 | IVTV_DEBUG_INFO("Stopping AO\n"); | |
103 | write_reg(IVTV_CMD_AO_STOP, IVTV_REG_AO); | |
104 | ||
105 | IVTV_DEBUG_INFO("pinging (?) APU\n"); | |
106 | write_reg(IVTV_CMD_APU_PING, IVTV_REG_APU); | |
107 | ||
108 | IVTV_DEBUG_INFO("Stopping VPU\n"); | |
109 | if (!itv->has_cx23415) | |
110 | write_reg(IVTV_CMD_VPU_STOP16, IVTV_REG_VPU); | |
111 | else | |
112 | write_reg(IVTV_CMD_VPU_STOP15, IVTV_REG_VPU); | |
113 | ||
114 | IVTV_DEBUG_INFO("Resetting Hw Blocks\n"); | |
115 | write_reg(IVTV_CMD_HW_BLOCKS_RST, IVTV_REG_HW_BLOCKS); | |
116 | ||
117 | IVTV_DEBUG_INFO("Stopping SPU\n"); | |
118 | write_reg(IVTV_CMD_SPU_STOP, IVTV_REG_SPU); | |
119 | ||
201700d3 | 120 | ivtv_msleep_timeout(10, 0); |
1a0adaf3 HV |
121 | |
122 | IVTV_DEBUG_INFO("init Encoder SDRAM pre-charge\n"); | |
123 | write_reg(IVTV_CMD_SDRAM_PRECHARGE_INIT, IVTV_REG_ENC_SDRAM_PRECHARGE); | |
124 | ||
125 | IVTV_DEBUG_INFO("init Encoder SDRAM refresh to 1us\n"); | |
126 | write_reg(IVTV_CMD_SDRAM_REFRESH_INIT, IVTV_REG_ENC_SDRAM_REFRESH); | |
127 | ||
128 | if (itv->has_cx23415) { | |
129 | IVTV_DEBUG_INFO("init Decoder SDRAM pre-charge\n"); | |
130 | write_reg(IVTV_CMD_SDRAM_PRECHARGE_INIT, IVTV_REG_DEC_SDRAM_PRECHARGE); | |
131 | ||
132 | IVTV_DEBUG_INFO("init Decoder SDRAM refresh to 1us\n"); | |
133 | write_reg(IVTV_CMD_SDRAM_REFRESH_INIT, IVTV_REG_DEC_SDRAM_REFRESH); | |
134 | } | |
135 | ||
201700d3 MCC |
136 | IVTV_DEBUG_INFO("Sleeping for %dms\n", IVTV_SDRAM_SLEEPTIME); |
137 | ivtv_msleep_timeout(IVTV_SDRAM_SLEEPTIME, 0); | |
1a0adaf3 HV |
138 | } |
139 | ||
140 | void ivtv_firmware_versions(struct ivtv *itv) | |
141 | { | |
142 | u32 data[CX2341X_MBOX_MAX_DATA]; | |
143 | ||
144 | /* Encoder */ | |
145 | ivtv_vapi_result(itv, data, CX2341X_ENC_GET_VERSION, 0); | |
146 | IVTV_INFO("Encoder revision: 0x%08x\n", data[0]); | |
147 | ||
148 | if (data[0] != 0x02060039) | |
149 | IVTV_WARN("Recommended firmware version is 0x02060039.\n"); | |
150 | ||
151 | if (itv->has_cx23415) { | |
152 | /* Decoder */ | |
153 | ivtv_vapi_result(itv, data, CX2341X_DEC_GET_VERSION, 0); | |
154 | IVTV_INFO("Decoder revision: 0x%08x\n", data[0]); | |
155 | } | |
156 | } | |
157 | ||
158 | static int ivtv_firmware_copy(struct ivtv *itv) | |
159 | { | |
160 | IVTV_DEBUG_INFO("Loading encoder image\n"); | |
161 | if (load_fw_direct(CX2341X_FIRM_ENC_FILENAME, | |
162 | itv->enc_mem, itv, IVTV_FW_ENC_SIZE) != IVTV_FW_ENC_SIZE) { | |
163 | IVTV_DEBUG_WARN("failed loading encoder firmware\n"); | |
164 | return -3; | |
165 | } | |
166 | if (!itv->has_cx23415) | |
167 | return 0; | |
168 | ||
169 | IVTV_DEBUG_INFO("Loading decoder image\n"); | |
170 | if (load_fw_direct(CX2341X_FIRM_DEC_FILENAME, | |
171 | itv->dec_mem, itv, IVTV_FW_DEC_SIZE) != IVTV_FW_DEC_SIZE) { | |
172 | IVTV_DEBUG_WARN("failed loading decoder firmware\n"); | |
173 | return -1; | |
174 | } | |
175 | return 0; | |
176 | } | |
177 | ||
178 | static volatile struct ivtv_mailbox __iomem *ivtv_search_mailbox(const volatile u8 __iomem *mem, u32 size) | |
179 | { | |
180 | int i; | |
181 | ||
25985edc | 182 | /* mailbox is preceded by a 16 byte 'magic cookie' starting at a 256-byte |
1a0adaf3 HV |
183 | address boundary */ |
184 | for (i = 0; i < size; i += 0x100) { | |
185 | if (readl(mem + i) == 0x12345678 && | |
186 | readl(mem + i + 4) == 0x34567812 && | |
187 | readl(mem + i + 8) == 0x56781234 && | |
188 | readl(mem + i + 12) == 0x78123456) { | |
189 | return (volatile struct ivtv_mailbox __iomem *)(mem + i + 16); | |
190 | } | |
191 | } | |
192 | return NULL; | |
193 | } | |
194 | ||
195 | int ivtv_firmware_init(struct ivtv *itv) | |
196 | { | |
197 | int err; | |
198 | ||
199 | ivtv_halt_firmware(itv); | |
200 | ||
201 | /* load firmware */ | |
202 | err = ivtv_firmware_copy(itv); | |
203 | if (err) { | |
204 | IVTV_DEBUG_WARN("Error %d loading firmware\n", err); | |
205 | return err; | |
206 | } | |
207 | ||
208 | /* start firmware */ | |
209 | write_reg(read_reg(IVTV_REG_SPU) & IVTV_MASK_SPU_ENABLE, IVTV_REG_SPU); | |
201700d3 | 210 | ivtv_msleep_timeout(100, 0); |
1a0adaf3 HV |
211 | if (itv->has_cx23415) |
212 | write_reg(read_reg(IVTV_REG_VPU) & IVTV_MASK_VPU_ENABLE15, IVTV_REG_VPU); | |
213 | else | |
214 | write_reg(read_reg(IVTV_REG_VPU) & IVTV_MASK_VPU_ENABLE16, IVTV_REG_VPU); | |
201700d3 | 215 | ivtv_msleep_timeout(100, 0); |
1a0adaf3 HV |
216 | |
217 | /* find mailboxes and ping firmware */ | |
218 | itv->enc_mbox.mbox = ivtv_search_mailbox(itv->enc_mem, IVTV_ENCODER_SIZE); | |
219 | if (itv->enc_mbox.mbox == NULL) | |
220 | IVTV_ERR("Encoder mailbox not found\n"); | |
221 | else if (ivtv_vapi(itv, CX2341X_ENC_PING_FW, 0)) { | |
222 | IVTV_ERR("Encoder firmware dead!\n"); | |
223 | itv->enc_mbox.mbox = NULL; | |
224 | } | |
225 | if (itv->enc_mbox.mbox == NULL) | |
226 | return -ENODEV; | |
227 | ||
228 | if (!itv->has_cx23415) | |
229 | return 0; | |
230 | ||
231 | itv->dec_mbox.mbox = ivtv_search_mailbox(itv->dec_mem, IVTV_DECODER_SIZE); | |
a54d1dea | 232 | if (itv->dec_mbox.mbox == NULL) { |
1a0adaf3 | 233 | IVTV_ERR("Decoder mailbox not found\n"); |
a54d1dea | 234 | } else if (itv->has_cx23415 && ivtv_vapi(itv, CX2341X_DEC_PING_FW, 0)) { |
1a0adaf3 HV |
235 | IVTV_ERR("Decoder firmware dead!\n"); |
236 | itv->dec_mbox.mbox = NULL; | |
a54d1dea IA |
237 | } else { |
238 | /* Firmware okay, so check yuv output filter table */ | |
239 | ivtv_yuv_filter_check(itv); | |
1a0adaf3 HV |
240 | } |
241 | return itv->dec_mbox.mbox ? 0 : -ENODEV; | |
242 | } | |
243 | ||
244 | void ivtv_init_mpeg_decoder(struct ivtv *itv) | |
245 | { | |
246 | u32 data[CX2341X_MBOX_MAX_DATA]; | |
247 | long readbytes; | |
248 | volatile u8 __iomem *mem_offset; | |
249 | ||
250 | data[0] = 0; | |
f7b80e69 HV |
251 | data[1] = itv->cxhdl.width; /* YUV source width */ |
252 | data[2] = itv->cxhdl.height; | |
253 | data[3] = itv->cxhdl.audio_properties; /* Audio settings to use, | |
1a0adaf3 HV |
254 | bitmap. see docs. */ |
255 | if (ivtv_api(itv, CX2341X_DEC_SET_DECODER_SOURCE, 4, data)) { | |
256 | IVTV_ERR("ivtv_init_mpeg_decoder failed to set decoder source\n"); | |
257 | return; | |
258 | } | |
259 | ||
260 | if (ivtv_vapi(itv, CX2341X_DEC_START_PLAYBACK, 2, 0, 1) != 0) { | |
261 | IVTV_ERR("ivtv_init_mpeg_decoder failed to start playback\n"); | |
262 | return; | |
263 | } | |
587808d5 | 264 | ivtv_api_get_data(&itv->dec_mbox, IVTV_MBOX_DMA, 2, data); |
1a0adaf3 HV |
265 | mem_offset = itv->dec_mem + data[1]; |
266 | ||
267 | if ((readbytes = load_fw_direct(IVTV_DECODE_INIT_MPEG_FILENAME, | |
268 | mem_offset, itv, IVTV_DECODE_INIT_MPEG_SIZE)) <= 0) { | |
269 | IVTV_DEBUG_WARN("failed to read mpeg decoder initialisation file %s\n", | |
270 | IVTV_DECODE_INIT_MPEG_FILENAME); | |
271 | } else { | |
272 | ivtv_vapi(itv, CX2341X_DEC_SCHED_DMA_FROM_HOST, 3, 0, readbytes, 0); | |
201700d3 | 273 | ivtv_msleep_timeout(100, 0); |
1a0adaf3 HV |
274 | } |
275 | ivtv_vapi(itv, CX2341X_DEC_STOP_PLAYBACK, 4, 0, 0, 0, 1); | |
276 | } | |
914610e8 | 277 | |
215659d1 IA |
278 | /* Try to restart the card & restore previous settings */ |
279 | int ivtv_firmware_restart(struct ivtv *itv) | |
280 | { | |
281 | int rc = 0; | |
282 | v4l2_std_id std; | |
215659d1 IA |
283 | |
284 | if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) | |
285 | /* Display test image during restart */ | |
286 | ivtv_call_hw(itv, IVTV_HW_SAA7127, video, s_routing, | |
287 | SAA7127_INPUT_TYPE_TEST_IMAGE, | |
288 | itv->card->video_outputs[itv->active_output].video_output, | |
289 | 0); | |
290 | ||
291 | mutex_lock(&itv->udma.lock); | |
292 | ||
293 | rc = ivtv_firmware_init(itv); | |
294 | if (rc) { | |
295 | mutex_unlock(&itv->udma.lock); | |
296 | return rc; | |
297 | } | |
298 | ||
299 | /* Allow settings to reload */ | |
300 | ivtv_mailbox_cache_invalidate(itv); | |
301 | ||
c5874c92 | 302 | /* Restore encoder video standard */ |
215659d1 IA |
303 | std = itv->std; |
304 | itv->std = 0; | |
c5874c92 | 305 | ivtv_s_std_enc(itv, &std); |
215659d1 IA |
306 | |
307 | if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) { | |
308 | ivtv_init_mpeg_decoder(itv); | |
309 | ||
c5874c92 IA |
310 | /* Restore decoder video standard */ |
311 | std = itv->std_out; | |
312 | itv->std_out = 0; | |
313 | ivtv_s_std_dec(itv, &std); | |
314 | ||
215659d1 IA |
315 | /* Restore framebuffer if active */ |
316 | if (itv->ivtvfb_restore) | |
317 | itv->ivtvfb_restore(itv); | |
318 | ||
319 | /* Restore alpha settings */ | |
320 | ivtv_set_osd_alpha(itv); | |
321 | ||
322 | /* Restore normal output */ | |
323 | ivtv_call_hw(itv, IVTV_HW_SAA7127, video, s_routing, | |
324 | SAA7127_INPUT_TYPE_NORMAL, | |
325 | itv->card->video_outputs[itv->active_output].video_output, | |
326 | 0); | |
327 | } | |
328 | ||
329 | mutex_unlock(&itv->udma.lock); | |
330 | return rc; | |
331 | } | |
332 | ||
914610e8 IA |
333 | /* Check firmware running state. The checks fall through |
334 | allowing multiple failures to be logged. */ | |
335 | int ivtv_firmware_check(struct ivtv *itv, char *where) | |
336 | { | |
337 | int res = 0; | |
338 | ||
339 | /* Check encoder is still running */ | |
340 | if (ivtv_vapi(itv, CX2341X_ENC_PING_FW, 0) < 0) { | |
341 | IVTV_WARN("Encoder has died : %s\n", where); | |
342 | res = -1; | |
343 | } | |
344 | ||
345 | /* Also check audio. Only check if not in use & encoder is okay */ | |
346 | if (!res && !atomic_read(&itv->capturing) && | |
347 | (!atomic_read(&itv->decoding) || | |
348 | (atomic_read(&itv->decoding) < 2 && test_bit(IVTV_F_I_DEC_YUV, | |
349 | &itv->i_flags)))) { | |
350 | ||
351 | if (ivtv_vapi(itv, CX2341X_ENC_MISC, 1, 12) < 0) { | |
352 | IVTV_WARN("Audio has died (Encoder OK) : %s\n", where); | |
353 | res = -2; | |
354 | } | |
355 | } | |
356 | ||
357 | if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) { | |
358 | /* Second audio check. Skip if audio already failed */ | |
359 | if (res != -2 && read_dec(0x100) != read_dec(0x104)) { | |
360 | /* Wait & try again to be certain. */ | |
361 | ivtv_msleep_timeout(14, 0); | |
362 | if (read_dec(0x100) != read_dec(0x104)) { | |
363 | IVTV_WARN("Audio has died (Decoder) : %s\n", | |
364 | where); | |
365 | res = -1; | |
366 | } | |
367 | } | |
368 | ||
369 | /* Check decoder is still running */ | |
370 | if (ivtv_vapi(itv, CX2341X_DEC_PING_FW, 0) < 0) { | |
371 | IVTV_WARN("Decoder has died : %s\n", where); | |
372 | res = -1; | |
373 | } | |
374 | } | |
375 | ||
215659d1 IA |
376 | /* If something failed & currently idle, try to reload */ |
377 | if (res && !atomic_read(&itv->capturing) && | |
378 | !atomic_read(&itv->decoding)) { | |
379 | IVTV_INFO("Detected in %s that firmware had failed - " | |
380 | "Reloading\n", where); | |
381 | res = ivtv_firmware_restart(itv); | |
382 | /* | |
25985edc | 383 | * Even if restarted ok, still signal a problem had occurred. |
215659d1 IA |
384 | * The caller can come through this function again to check |
385 | * if things are really ok after the restart. | |
386 | */ | |
387 | if (!res) { | |
388 | IVTV_INFO("Firmware restart okay\n"); | |
389 | res = -EAGAIN; | |
390 | } else { | |
391 | IVTV_INFO("Firmware restart failed\n"); | |
392 | } | |
393 | } else if (res) { | |
394 | res = -EIO; | |
395 | } | |
396 | ||
914610e8 IA |
397 | return res; |
398 | } |