Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
1da177e4 LT |
2 | * |
3 | * device driver for Conexant 2388x based TV cards | |
4 | * driver core | |
5 | * | |
6 | * (c) 2003 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs] | |
7 | * | |
8d87cb9f MCC |
8 | * (c) 2005-2006 Mauro Carvalho Chehab <mchehab@infradead.org> |
9 | * - Multituner support | |
10 | * - video_ioctl2 conversion | |
11 | * - PAL/M fixes | |
12 | * | |
1da177e4 LT |
13 | * This program is free software; you can redistribute it and/or modify |
14 | * it under the terms of the GNU General Public License as published by | |
15 | * the Free Software Foundation; either version 2 of the License, or | |
16 | * (at your option) any later version. | |
17 | * | |
18 | * This program is distributed in the hope that it will be useful, | |
19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
21 | * GNU General Public License for more details. | |
22 | * | |
23 | * You should have received a copy of the GNU General Public License | |
24 | * along with this program; if not, write to the Free Software | |
25 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
26 | */ | |
27 | ||
28 | #include <linux/init.h> | |
29 | #include <linux/list.h> | |
30 | #include <linux/module.h> | |
1da177e4 LT |
31 | #include <linux/kernel.h> |
32 | #include <linux/slab.h> | |
33 | #include <linux/kmod.h> | |
34 | #include <linux/sound.h> | |
35 | #include <linux/interrupt.h> | |
36 | #include <linux/pci.h> | |
37 | #include <linux/delay.h> | |
98f30ed0 | 38 | #include <linux/videodev2.h> |
1e4baed3 | 39 | #include <linux/mutex.h> |
1da177e4 LT |
40 | |
41 | #include "cx88.h" | |
5e453dc7 | 42 | #include <media/v4l2-common.h> |
1da177e4 LT |
43 | |
44 | MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards"); | |
45 | MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]"); | |
46 | MODULE_LICENSE("GPL"); | |
47 | ||
48 | /* ------------------------------------------------------------------ */ | |
49 | ||
50 | static unsigned int core_debug = 0; | |
51 | module_param(core_debug,int,0644); | |
52 | MODULE_PARM_DESC(core_debug,"enable debug messages [core]"); | |
53 | ||
1da177e4 LT |
54 | static unsigned int nicam = 0; |
55 | module_param(nicam,int,0644); | |
56 | MODULE_PARM_DESC(nicam,"tv audio is nicam"); | |
57 | ||
58 | static unsigned int nocomb = 0; | |
59 | module_param(nocomb,int,0644); | |
60 | MODULE_PARM_DESC(nocomb,"disable comb filter"); | |
61 | ||
62 | #define dprintk(level,fmt, arg...) if (core_debug >= level) \ | |
63 | printk(KERN_DEBUG "%s: " fmt, core->name , ## arg) | |
64 | ||
65 | static unsigned int cx88_devcount; | |
66 | static LIST_HEAD(cx88_devlist); | |
1e4baed3 | 67 | static DEFINE_MUTEX(devlist); |
1da177e4 | 68 | |
1da177e4 LT |
69 | #define NO_SYNC_LINE (-1U) |
70 | ||
05b27233 TP |
71 | /* @lpi: lines per IRQ, or 0 to not generate irqs. Note: IRQ to be |
72 | generated _after_ lpi lines are transferred. */ | |
1da177e4 LT |
73 | static u32* cx88_risc_field(u32 *rp, struct scatterlist *sglist, |
74 | unsigned int offset, u32 sync_line, | |
75 | unsigned int bpl, unsigned int padding, | |
05b27233 | 76 | unsigned int lines, unsigned int lpi) |
1da177e4 LT |
77 | { |
78 | struct scatterlist *sg; | |
05b27233 | 79 | unsigned int line,todo,sol; |
1da177e4 LT |
80 | |
81 | /* sync instruction */ | |
82 | if (sync_line != NO_SYNC_LINE) | |
83 | *(rp++) = cpu_to_le32(RISC_RESYNC | sync_line); | |
84 | ||
85 | /* scan lines */ | |
86 | sg = sglist; | |
87 | for (line = 0; line < lines; line++) { | |
88 | while (offset && offset >= sg_dma_len(sg)) { | |
89 | offset -= sg_dma_len(sg); | |
90 | sg++; | |
91 | } | |
05b27233 TP |
92 | if (lpi && line>0 && !(line % lpi)) |
93 | sol = RISC_SOL | RISC_IRQ1 | RISC_CNT_INC; | |
94 | else | |
95 | sol = RISC_SOL; | |
1da177e4 LT |
96 | if (bpl <= sg_dma_len(sg)-offset) { |
97 | /* fits into current chunk */ | |
05b27233 | 98 | *(rp++)=cpu_to_le32(RISC_WRITE|sol|RISC_EOL|bpl); |
4ac97914 MCC |
99 | *(rp++)=cpu_to_le32(sg_dma_address(sg)+offset); |
100 | offset+=bpl; | |
1da177e4 | 101 | } else { |
d1009bd7 | 102 | /* scanline needs to be split */ |
4ac97914 | 103 | todo = bpl; |
05b27233 | 104 | *(rp++)=cpu_to_le32(RISC_WRITE|sol| |
1da177e4 | 105 | (sg_dma_len(sg)-offset)); |
4ac97914 MCC |
106 | *(rp++)=cpu_to_le32(sg_dma_address(sg)+offset); |
107 | todo -= (sg_dma_len(sg)-offset); | |
108 | offset = 0; | |
109 | sg++; | |
110 | while (todo > sg_dma_len(sg)) { | |
f2421ca3 | 111 | *(rp++)=cpu_to_le32(RISC_WRITE| |
1da177e4 | 112 | sg_dma_len(sg)); |
f2421ca3 | 113 | *(rp++)=cpu_to_le32(sg_dma_address(sg)); |
1da177e4 LT |
114 | todo -= sg_dma_len(sg); |
115 | sg++; | |
116 | } | |
4ac97914 | 117 | *(rp++)=cpu_to_le32(RISC_WRITE|RISC_EOL|todo); |
1da177e4 LT |
118 | *(rp++)=cpu_to_le32(sg_dma_address(sg)); |
119 | offset += todo; | |
120 | } | |
121 | offset += padding; | |
122 | } | |
123 | ||
124 | return rp; | |
125 | } | |
126 | ||
127 | int cx88_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc, | |
128 | struct scatterlist *sglist, | |
129 | unsigned int top_offset, unsigned int bottom_offset, | |
130 | unsigned int bpl, unsigned int padding, unsigned int lines) | |
131 | { | |
132 | u32 instructions,fields; | |
133 | u32 *rp; | |
134 | int rc; | |
135 | ||
136 | fields = 0; | |
137 | if (UNSET != top_offset) | |
138 | fields++; | |
139 | if (UNSET != bottom_offset) | |
140 | fields++; | |
141 | ||
142 | /* estimate risc mem: worst case is one write per page border + | |
bba3ad76 DS |
143 | one write per scan line + syncs + jump (all 2 dwords). Padding |
144 | can cause next bpl to start close to a page border. First DMA | |
145 | region may be smaller than PAGE_SIZE */ | |
146 | instructions = fields * (1 + ((bpl + padding) * lines) / PAGE_SIZE + lines); | |
147 | instructions += 2; | |
1da177e4 LT |
148 | if ((rc = btcx_riscmem_alloc(pci,risc,instructions*8)) < 0) |
149 | return rc; | |
150 | ||
151 | /* write risc instructions */ | |
152 | rp = risc->cpu; | |
153 | if (UNSET != top_offset) | |
154 | rp = cx88_risc_field(rp, sglist, top_offset, 0, | |
05b27233 | 155 | bpl, padding, lines, 0); |
1da177e4 LT |
156 | if (UNSET != bottom_offset) |
157 | rp = cx88_risc_field(rp, sglist, bottom_offset, 0x200, | |
05b27233 | 158 | bpl, padding, lines, 0); |
1da177e4 LT |
159 | |
160 | /* save pointer to jmp instruction address */ | |
161 | risc->jmp = rp; | |
4a287cfe | 162 | BUG_ON((risc->jmp - risc->cpu + 2) * sizeof (*risc->cpu) > risc->size); |
1da177e4 LT |
163 | return 0; |
164 | } | |
165 | ||
166 | int cx88_risc_databuffer(struct pci_dev *pci, struct btcx_riscmem *risc, | |
167 | struct scatterlist *sglist, unsigned int bpl, | |
05b27233 | 168 | unsigned int lines, unsigned int lpi) |
1da177e4 LT |
169 | { |
170 | u32 instructions; | |
171 | u32 *rp; | |
172 | int rc; | |
173 | ||
174 | /* estimate risc mem: worst case is one write per page border + | |
bba3ad76 DS |
175 | one write per scan line + syncs + jump (all 2 dwords). Here |
176 | there is no padding and no sync. First DMA region may be smaller | |
177 | than PAGE_SIZE */ | |
178 | instructions = 1 + (bpl * lines) / PAGE_SIZE + lines; | |
179 | instructions += 1; | |
1da177e4 LT |
180 | if ((rc = btcx_riscmem_alloc(pci,risc,instructions*8)) < 0) |
181 | return rc; | |
182 | ||
183 | /* write risc instructions */ | |
184 | rp = risc->cpu; | |
05b27233 | 185 | rp = cx88_risc_field(rp, sglist, 0, NO_SYNC_LINE, bpl, 0, lines, lpi); |
1da177e4 LT |
186 | |
187 | /* save pointer to jmp instruction address */ | |
188 | risc->jmp = rp; | |
4a287cfe | 189 | BUG_ON((risc->jmp - risc->cpu + 2) * sizeof (*risc->cpu) > risc->size); |
1da177e4 LT |
190 | return 0; |
191 | } | |
192 | ||
193 | int cx88_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc, | |
194 | u32 reg, u32 mask, u32 value) | |
195 | { | |
196 | u32 *rp; | |
197 | int rc; | |
198 | ||
199 | if ((rc = btcx_riscmem_alloc(pci, risc, 4*16)) < 0) | |
200 | return rc; | |
201 | ||
202 | /* write risc instructions */ | |
203 | rp = risc->cpu; | |
204 | *(rp++) = cpu_to_le32(RISC_WRITECR | RISC_IRQ2 | RISC_IMM); | |
205 | *(rp++) = cpu_to_le32(reg); | |
206 | *(rp++) = cpu_to_le32(value); | |
207 | *(rp++) = cpu_to_le32(mask); | |
208 | *(rp++) = cpu_to_le32(RISC_JUMP); | |
209 | *(rp++) = cpu_to_le32(risc->dma); | |
210 | return 0; | |
211 | } | |
212 | ||
213 | void | |
c7b0ac05 | 214 | cx88_free_buffer(struct videobuf_queue *q, struct cx88_buffer *buf) |
1da177e4 | 215 | { |
ae24601b | 216 | BUG_ON(in_interrupt()); |
1da177e4 | 217 | videobuf_waiton(&buf->vb,0,0); |
c7b0ac05 | 218 | videobuf_dma_unmap(q, &buf->vb.dma); |
1da177e4 | 219 | videobuf_dma_free(&buf->vb.dma); |
c7b0ac05 | 220 | btcx_riscmem_free((struct pci_dev *)q->dev, &buf->risc); |
1da177e4 LT |
221 | buf->vb.state = STATE_NEEDS_INIT; |
222 | } | |
223 | ||
224 | /* ------------------------------------------------------------------ */ | |
225 | /* our SRAM memory layout */ | |
226 | ||
227 | /* we are going to put all thr risc programs into host memory, so we | |
228 | * can use the whole SDRAM for the DMA fifos. To simplify things, we | |
229 | * use a static memory layout. That surely will waste memory in case | |
230 | * we don't use all DMA channels at the same time (which will be the | |
231 | * case most of the time). But that still gives us enougth FIFO space | |
232 | * to be able to deal with insane long pci latencies ... | |
233 | * | |
234 | * FIFO space allocations: | |
235 | * channel 21 (y video) - 10.0k | |
236 | * channel 22 (u video) - 2.0k | |
237 | * channel 23 (v video) - 2.0k | |
238 | * channel 24 (vbi) - 4.0k | |
b7f355d2 | 239 | * channels 25+26 (audio) - 4.0k |
1da177e4 | 240 | * channel 28 (mpeg) - 4.0k |
b7f355d2 | 241 | * TOTAL = 29.0k |
1da177e4 LT |
242 | * |
243 | * Every channel has 160 bytes control data (64 bytes instruction | |
244 | * queue and 6 CDT entries), which is close to 2k total. | |
245 | * | |
246 | * Address layout: | |
247 | * 0x0000 - 0x03ff CMDs / reserved | |
248 | * 0x0400 - 0x0bff instruction queues + CDs | |
249 | * 0x0c00 - FIFOs | |
250 | */ | |
251 | ||
252 | struct sram_channel cx88_sram_channels[] = { | |
253 | [SRAM_CH21] = { | |
254 | .name = "video y / packed", | |
255 | .cmds_start = 0x180040, | |
256 | .ctrl_start = 0x180400, | |
4ac97914 | 257 | .cdt = 0x180400 + 64, |
1da177e4 LT |
258 | .fifo_start = 0x180c00, |
259 | .fifo_size = 0x002800, | |
260 | .ptr1_reg = MO_DMA21_PTR1, | |
261 | .ptr2_reg = MO_DMA21_PTR2, | |
262 | .cnt1_reg = MO_DMA21_CNT1, | |
263 | .cnt2_reg = MO_DMA21_CNT2, | |
264 | }, | |
265 | [SRAM_CH22] = { | |
266 | .name = "video u", | |
267 | .cmds_start = 0x180080, | |
268 | .ctrl_start = 0x1804a0, | |
4ac97914 | 269 | .cdt = 0x1804a0 + 64, |
1da177e4 LT |
270 | .fifo_start = 0x183400, |
271 | .fifo_size = 0x000800, | |
272 | .ptr1_reg = MO_DMA22_PTR1, | |
273 | .ptr2_reg = MO_DMA22_PTR2, | |
274 | .cnt1_reg = MO_DMA22_CNT1, | |
275 | .cnt2_reg = MO_DMA22_CNT2, | |
276 | }, | |
277 | [SRAM_CH23] = { | |
278 | .name = "video v", | |
279 | .cmds_start = 0x1800c0, | |
280 | .ctrl_start = 0x180540, | |
4ac97914 | 281 | .cdt = 0x180540 + 64, |
1da177e4 LT |
282 | .fifo_start = 0x183c00, |
283 | .fifo_size = 0x000800, | |
284 | .ptr1_reg = MO_DMA23_PTR1, | |
285 | .ptr2_reg = MO_DMA23_PTR2, | |
286 | .cnt1_reg = MO_DMA23_CNT1, | |
287 | .cnt2_reg = MO_DMA23_CNT2, | |
288 | }, | |
289 | [SRAM_CH24] = { | |
290 | .name = "vbi", | |
291 | .cmds_start = 0x180100, | |
292 | .ctrl_start = 0x1805e0, | |
4ac97914 | 293 | .cdt = 0x1805e0 + 64, |
1da177e4 LT |
294 | .fifo_start = 0x184400, |
295 | .fifo_size = 0x001000, | |
296 | .ptr1_reg = MO_DMA24_PTR1, | |
297 | .ptr2_reg = MO_DMA24_PTR2, | |
298 | .cnt1_reg = MO_DMA24_CNT1, | |
299 | .cnt2_reg = MO_DMA24_CNT2, | |
300 | }, | |
301 | [SRAM_CH25] = { | |
302 | .name = "audio from", | |
303 | .cmds_start = 0x180140, | |
304 | .ctrl_start = 0x180680, | |
4ac97914 | 305 | .cdt = 0x180680 + 64, |
1da177e4 | 306 | .fifo_start = 0x185400, |
b7f355d2 | 307 | .fifo_size = 0x001000, |
1da177e4 LT |
308 | .ptr1_reg = MO_DMA25_PTR1, |
309 | .ptr2_reg = MO_DMA25_PTR2, | |
310 | .cnt1_reg = MO_DMA25_CNT1, | |
311 | .cnt2_reg = MO_DMA25_CNT2, | |
312 | }, | |
313 | [SRAM_CH26] = { | |
314 | .name = "audio to", | |
315 | .cmds_start = 0x180180, | |
316 | .ctrl_start = 0x180720, | |
4ac97914 | 317 | .cdt = 0x180680 + 64, /* same as audio IN */ |
1da177e4 | 318 | .fifo_start = 0x185400, /* same as audio IN */ |
b7f355d2 | 319 | .fifo_size = 0x001000, /* same as audio IN */ |
1da177e4 LT |
320 | .ptr1_reg = MO_DMA26_PTR1, |
321 | .ptr2_reg = MO_DMA26_PTR2, | |
322 | .cnt1_reg = MO_DMA26_CNT1, | |
323 | .cnt2_reg = MO_DMA26_CNT2, | |
324 | }, | |
325 | [SRAM_CH28] = { | |
326 | .name = "mpeg", | |
327 | .cmds_start = 0x180200, | |
328 | .ctrl_start = 0x1807C0, | |
329 | .cdt = 0x1807C0 + 64, | |
b7f355d2 | 330 | .fifo_start = 0x186400, |
1da177e4 LT |
331 | .fifo_size = 0x001000, |
332 | .ptr1_reg = MO_DMA28_PTR1, | |
333 | .ptr2_reg = MO_DMA28_PTR2, | |
334 | .cnt1_reg = MO_DMA28_CNT1, | |
335 | .cnt2_reg = MO_DMA28_CNT2, | |
336 | }, | |
337 | }; | |
338 | ||
339 | int cx88_sram_channel_setup(struct cx88_core *core, | |
340 | struct sram_channel *ch, | |
341 | unsigned int bpl, u32 risc) | |
342 | { | |
343 | unsigned int i,lines; | |
344 | u32 cdt; | |
345 | ||
346 | bpl = (bpl + 7) & ~7; /* alignment */ | |
347 | cdt = ch->cdt; | |
348 | lines = ch->fifo_size / bpl; | |
349 | if (lines > 6) | |
350 | lines = 6; | |
351 | BUG_ON(lines < 2); | |
352 | ||
353 | /* write CDT */ | |
354 | for (i = 0; i < lines; i++) | |
355 | cx_write(cdt + 16*i, ch->fifo_start + bpl*i); | |
356 | ||
357 | /* write CMDS */ | |
358 | cx_write(ch->cmds_start + 0, risc); | |
359 | cx_write(ch->cmds_start + 4, cdt); | |
360 | cx_write(ch->cmds_start + 8, (lines*16) >> 3); | |
361 | cx_write(ch->cmds_start + 12, ch->ctrl_start); | |
362 | cx_write(ch->cmds_start + 16, 64 >> 2); | |
363 | for (i = 20; i < 64; i += 4) | |
364 | cx_write(ch->cmds_start + i, 0); | |
365 | ||
366 | /* fill registers */ | |
367 | cx_write(ch->ptr1_reg, ch->fifo_start); | |
368 | cx_write(ch->ptr2_reg, cdt); | |
369 | cx_write(ch->cnt1_reg, (bpl >> 3) -1); | |
370 | cx_write(ch->cnt2_reg, (lines*16) >> 3); | |
371 | ||
372 | dprintk(2,"sram setup %s: bpl=%d lines=%d\n", ch->name, bpl, lines); | |
373 | return 0; | |
374 | } | |
375 | ||
376 | /* ------------------------------------------------------------------ */ | |
377 | /* debug helper code */ | |
378 | ||
f9e7a020 | 379 | static int cx88_risc_decode(u32 risc) |
1da177e4 LT |
380 | { |
381 | static char *instr[16] = { | |
382 | [ RISC_SYNC >> 28 ] = "sync", | |
383 | [ RISC_WRITE >> 28 ] = "write", | |
384 | [ RISC_WRITEC >> 28 ] = "writec", | |
385 | [ RISC_READ >> 28 ] = "read", | |
386 | [ RISC_READC >> 28 ] = "readc", | |
387 | [ RISC_JUMP >> 28 ] = "jump", | |
388 | [ RISC_SKIP >> 28 ] = "skip", | |
389 | [ RISC_WRITERM >> 28 ] = "writerm", | |
390 | [ RISC_WRITECM >> 28 ] = "writecm", | |
391 | [ RISC_WRITECR >> 28 ] = "writecr", | |
392 | }; | |
393 | static int incr[16] = { | |
394 | [ RISC_WRITE >> 28 ] = 2, | |
395 | [ RISC_JUMP >> 28 ] = 2, | |
396 | [ RISC_WRITERM >> 28 ] = 3, | |
397 | [ RISC_WRITECM >> 28 ] = 3, | |
398 | [ RISC_WRITECR >> 28 ] = 4, | |
399 | }; | |
400 | static char *bits[] = { | |
401 | "12", "13", "14", "resync", | |
402 | "cnt0", "cnt1", "18", "19", | |
403 | "20", "21", "22", "23", | |
404 | "irq1", "irq2", "eol", "sol", | |
405 | }; | |
406 | int i; | |
407 | ||
408 | printk("0x%08x [ %s", risc, | |
409 | instr[risc >> 28] ? instr[risc >> 28] : "INVALID"); | |
410 | for (i = ARRAY_SIZE(bits)-1; i >= 0; i--) | |
411 | if (risc & (1 << (i + 12))) | |
412 | printk(" %s",bits[i]); | |
413 | printk(" count=%d ]\n", risc & 0xfff); | |
414 | return incr[risc >> 28] ? incr[risc >> 28] : 1; | |
415 | } | |
416 | ||
1da177e4 LT |
417 | |
418 | void cx88_sram_channel_dump(struct cx88_core *core, | |
419 | struct sram_channel *ch) | |
420 | { | |
421 | static char *name[] = { | |
422 | "initial risc", | |
423 | "cdt base", | |
424 | "cdt size", | |
425 | "iq base", | |
426 | "iq size", | |
427 | "risc pc", | |
428 | "iq wr ptr", | |
429 | "iq rd ptr", | |
430 | "cdt current", | |
431 | "pci target", | |
432 | "line / byte", | |
433 | }; | |
434 | u32 risc; | |
435 | unsigned int i,j,n; | |
436 | ||
437 | printk("%s: %s - dma channel status dump\n", | |
438 | core->name,ch->name); | |
439 | for (i = 0; i < ARRAY_SIZE(name); i++) | |
440 | printk("%s: cmds: %-12s: 0x%08x\n", | |
441 | core->name,name[i], | |
442 | cx_read(ch->cmds_start + 4*i)); | |
16cf1d0c | 443 | for (n = 1, i = 0; i < 4; i++) { |
1da177e4 LT |
444 | risc = cx_read(ch->cmds_start + 4 * (i+11)); |
445 | printk("%s: risc%d: ", core->name, i); | |
16cf1d0c TP |
446 | if (--n) |
447 | printk("0x%08x [ arg #%d ]\n", risc, n); | |
448 | else | |
449 | n = cx88_risc_decode(risc); | |
1da177e4 LT |
450 | } |
451 | for (i = 0; i < 16; i += n) { | |
452 | risc = cx_read(ch->ctrl_start + 4 * i); | |
453 | printk("%s: iq %x: ", core->name, i); | |
454 | n = cx88_risc_decode(risc); | |
455 | for (j = 1; j < n; j++) { | |
456 | risc = cx_read(ch->ctrl_start + 4 * (i+j)); | |
457 | printk("%s: iq %x: 0x%08x [ arg #%d ]\n", | |
458 | core->name, i+j, risc, j); | |
459 | } | |
460 | } | |
461 | ||
462 | printk("%s: fifo: 0x%08x -> 0x%x\n", | |
463 | core->name, ch->fifo_start, ch->fifo_start+ch->fifo_size); | |
464 | printk("%s: ctrl: 0x%08x -> 0x%x\n", | |
465 | core->name, ch->ctrl_start, ch->ctrl_start+6*16); | |
466 | printk("%s: ptr1_reg: 0x%08x\n", | |
467 | core->name,cx_read(ch->ptr1_reg)); | |
468 | printk("%s: ptr2_reg: 0x%08x\n", | |
469 | core->name,cx_read(ch->ptr2_reg)); | |
470 | printk("%s: cnt1_reg: 0x%08x\n", | |
471 | core->name,cx_read(ch->cnt1_reg)); | |
472 | printk("%s: cnt2_reg: 0x%08x\n", | |
473 | core->name,cx_read(ch->cnt2_reg)); | |
474 | } | |
475 | ||
408b664a | 476 | static char *cx88_pci_irqs[32] = { |
1da177e4 LT |
477 | "vid", "aud", "ts", "vip", "hst", "5", "6", "tm1", |
478 | "src_dma", "dst_dma", "risc_rd_err", "risc_wr_err", | |
479 | "brdg_err", "src_dma_err", "dst_dma_err", "ipb_dma_err", | |
480 | "i2c", "i2c_rack", "ir_smp", "gpio0", "gpio1" | |
481 | }; | |
1da177e4 LT |
482 | |
483 | void cx88_print_irqbits(char *name, char *tag, char **strings, | |
66623a04 | 484 | int len, u32 bits, u32 mask) |
1da177e4 LT |
485 | { |
486 | unsigned int i; | |
487 | ||
488 | printk(KERN_DEBUG "%s: %s [0x%x]", name, tag, bits); | |
66623a04 | 489 | for (i = 0; i < len; i++) { |
1da177e4 LT |
490 | if (!(bits & (1 << i))) |
491 | continue; | |
492 | if (strings[i]) | |
493 | printk(" %s", strings[i]); | |
494 | else | |
495 | printk(" %d", i); | |
496 | if (!(mask & (1 << i))) | |
497 | continue; | |
498 | printk("*"); | |
499 | } | |
500 | printk("\n"); | |
501 | } | |
502 | ||
503 | /* ------------------------------------------------------------------ */ | |
504 | ||
505 | int cx88_core_irq(struct cx88_core *core, u32 status) | |
506 | { | |
507 | int handled = 0; | |
508 | ||
8ddac9ee | 509 | if (status & PCI_INT_IR_SMPINT) { |
1da177e4 LT |
510 | cx88_ir_irq(core); |
511 | handled++; | |
512 | } | |
513 | if (!handled) | |
514 | cx88_print_irqbits(core->name, "irq pci", | |
66623a04 MCC |
515 | cx88_pci_irqs, ARRAY_SIZE(cx88_pci_irqs), |
516 | status, core->pci_irqmask); | |
1da177e4 LT |
517 | return handled; |
518 | } | |
519 | ||
520 | void cx88_wakeup(struct cx88_core *core, | |
521 | struct cx88_dmaqueue *q, u32 count) | |
522 | { | |
523 | struct cx88_buffer *buf; | |
524 | int bc; | |
525 | ||
526 | for (bc = 0;; bc++) { | |
527 | if (list_empty(&q->active)) | |
528 | break; | |
529 | buf = list_entry(q->active.next, | |
530 | struct cx88_buffer, vb.queue); | |
1da177e4 LT |
531 | /* count comes from the hw and is is 16bit wide -- |
532 | * this trick handles wrap-arounds correctly for | |
533 | * up to 32767 buffers in flight... */ | |
534 | if ((s16) (count - buf->count) < 0) | |
535 | break; | |
1da177e4 LT |
536 | do_gettimeofday(&buf->vb.ts); |
537 | dprintk(2,"[%p/%d] wakeup reg=%d buf=%d\n",buf,buf->vb.i, | |
538 | count, buf->count); | |
539 | buf->vb.state = STATE_DONE; | |
540 | list_del(&buf->vb.queue); | |
541 | wake_up(&buf->vb.done); | |
542 | } | |
543 | if (list_empty(&q->active)) { | |
544 | del_timer(&q->timeout); | |
545 | } else { | |
546 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); | |
547 | } | |
548 | if (bc != 1) | |
549 | printk("%s: %d buffers handled (should be 1)\n",__FUNCTION__,bc); | |
550 | } | |
551 | ||
552 | void cx88_shutdown(struct cx88_core *core) | |
553 | { | |
554 | /* disable RISC controller + IRQs */ | |
555 | cx_write(MO_DEV_CNTRL2, 0); | |
556 | ||
557 | /* stop dma transfers */ | |
558 | cx_write(MO_VID_DMACNTRL, 0x0); | |
559 | cx_write(MO_AUD_DMACNTRL, 0x0); | |
560 | cx_write(MO_TS_DMACNTRL, 0x0); | |
561 | cx_write(MO_VIP_DMACNTRL, 0x0); | |
562 | cx_write(MO_GPHST_DMACNTRL, 0x0); | |
563 | ||
564 | /* stop interrupts */ | |
565 | cx_write(MO_PCI_INTMSK, 0x0); | |
566 | cx_write(MO_VID_INTMSK, 0x0); | |
567 | cx_write(MO_AUD_INTMSK, 0x0); | |
568 | cx_write(MO_TS_INTMSK, 0x0); | |
569 | cx_write(MO_VIP_INTMSK, 0x0); | |
570 | cx_write(MO_GPHST_INTMSK, 0x0); | |
571 | ||
572 | /* stop capturing */ | |
573 | cx_write(VID_CAPTURE_CONTROL, 0); | |
574 | } | |
575 | ||
576 | int cx88_reset(struct cx88_core *core) | |
577 | { | |
578 | dprintk(1,"%s\n",__FUNCTION__); | |
579 | cx88_shutdown(core); | |
580 | ||
581 | /* clear irq status */ | |
582 | cx_write(MO_VID_INTSTAT, 0xFFFFFFFF); // Clear PIV int | |
583 | cx_write(MO_PCI_INTSTAT, 0xFFFFFFFF); // Clear PCI int | |
584 | cx_write(MO_INT1_STAT, 0xFFFFFFFF); // Clear RISC int | |
585 | ||
586 | /* wait a bit */ | |
587 | msleep(100); | |
588 | ||
589 | /* init sram */ | |
590 | cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21], 720*4, 0); | |
591 | cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH22], 128, 0); | |
592 | cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH23], 128, 0); | |
593 | cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH24], 128, 0); | |
594 | cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH25], 128, 0); | |
595 | cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH26], 128, 0); | |
596 | cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH28], 188*4, 0); | |
597 | ||
598 | /* misc init ... */ | |
599 | cx_write(MO_INPUT_FORMAT, ((1 << 13) | // agc enable | |
600 | (1 << 12) | // agc gain | |
601 | (1 << 11) | // adaptibe agc | |
602 | (0 << 10) | // chroma agc | |
603 | (0 << 9) | // ckillen | |
604 | (7))); | |
605 | ||
606 | /* setup image format */ | |
607 | cx_andor(MO_COLOR_CTRL, 0x4000, 0x4000); | |
608 | ||
609 | /* setup FIFO Threshholds */ | |
610 | cx_write(MO_PDMA_STHRSH, 0x0807); | |
611 | cx_write(MO_PDMA_DTHRSH, 0x0807); | |
612 | ||
613 | /* fixes flashing of image */ | |
614 | cx_write(MO_AGC_SYNC_TIP1, 0x0380000F); | |
615 | cx_write(MO_AGC_BACK_VBI, 0x00E00555); | |
616 | ||
617 | cx_write(MO_VID_INTSTAT, 0xFFFFFFFF); // Clear PIV int | |
618 | cx_write(MO_PCI_INTSTAT, 0xFFFFFFFF); // Clear PCI int | |
619 | cx_write(MO_INT1_STAT, 0xFFFFFFFF); // Clear RISC int | |
620 | ||
621 | /* Reset on-board parts */ | |
622 | cx_write(MO_SRST_IO, 0); | |
623 | msleep(10); | |
624 | cx_write(MO_SRST_IO, 1); | |
625 | ||
626 | return 0; | |
627 | } | |
628 | ||
629 | /* ------------------------------------------------------------------ */ | |
630 | ||
63ab1bdc | 631 | static unsigned int inline norm_swidth(v4l2_std_id norm) |
1da177e4 | 632 | { |
63ab1bdc | 633 | return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 754 : 922; |
1da177e4 LT |
634 | } |
635 | ||
63ab1bdc | 636 | static unsigned int inline norm_hdelay(v4l2_std_id norm) |
1da177e4 | 637 | { |
63ab1bdc | 638 | return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 135 : 186; |
1da177e4 LT |
639 | } |
640 | ||
63ab1bdc | 641 | static unsigned int inline norm_vdelay(v4l2_std_id norm) |
1da177e4 | 642 | { |
63ab1bdc | 643 | return (norm & V4L2_STD_625_50) ? 0x24 : 0x18; |
1da177e4 LT |
644 | } |
645 | ||
63ab1bdc | 646 | static unsigned int inline norm_fsc8(v4l2_std_id norm) |
1da177e4 | 647 | { |
63ab1bdc | 648 | if (norm & V4L2_STD_PAL_M) |
315eb962 MCC |
649 | return 28604892; // 3.575611 MHz |
650 | ||
63ab1bdc | 651 | if (norm & (V4L2_STD_PAL_Nc)) |
315eb962 MCC |
652 | return 28656448; // 3.582056 MHz |
653 | ||
63ab1bdc | 654 | if (norm & V4L2_STD_NTSC) // All NTSC/M and variants |
315eb962 | 655 | return 28636360; // 3.57954545 MHz +/- 10 Hz |
1da177e4 | 656 | |
315eb962 MCC |
657 | /* SECAM have also different sub carrier for chroma, |
658 | but step_db and step_dr, at cx88_set_tvnorm already handles that. | |
659 | ||
660 | The same FSC applies to PAL/BGDKIH, PAL/60, NTSC/4.43 and PAL/N | |
661 | */ | |
662 | ||
663 | return 35468950; // 4.43361875 MHz +/- 5 Hz | |
1da177e4 LT |
664 | } |
665 | ||
63ab1bdc | 666 | static unsigned int inline norm_htotal(v4l2_std_id norm) |
1da177e4 | 667 | { |
59dcd948 | 668 | |
315eb962 | 669 | unsigned int fsc4=norm_fsc8(norm)/2; |
59dcd948 | 670 | |
315eb962 | 671 | /* returns 4*FSC / vtotal / frames per seconds */ |
63ab1bdc | 672 | return (norm & V4L2_STD_625_50) ? |
315eb962 MCC |
673 | ((fsc4+312)/625+12)/25 : |
674 | ((fsc4+262)/525*1001+15000)/30000; | |
1da177e4 LT |
675 | } |
676 | ||
63ab1bdc | 677 | static unsigned int inline norm_vbipack(v4l2_std_id norm) |
1da177e4 | 678 | { |
63ab1bdc | 679 | return (norm & V4L2_STD_625_50) ? 511 : 400; |
1da177e4 LT |
680 | } |
681 | ||
682 | int cx88_set_scale(struct cx88_core *core, unsigned int width, unsigned int height, | |
683 | enum v4l2_field field) | |
684 | { | |
685 | unsigned int swidth = norm_swidth(core->tvnorm); | |
686 | unsigned int sheight = norm_maxh(core->tvnorm); | |
687 | u32 value; | |
688 | ||
689 | dprintk(1,"set_scale: %dx%d [%s%s,%s]\n", width, height, | |
690 | V4L2_FIELD_HAS_TOP(field) ? "T" : "", | |
691 | V4L2_FIELD_HAS_BOTTOM(field) ? "B" : "", | |
63ab1bdc | 692 | v4l2_norm_to_name(core->tvnorm)); |
1da177e4 LT |
693 | if (!V4L2_FIELD_HAS_BOTH(field)) |
694 | height *= 2; | |
695 | ||
696 | // recalc H delay and scale registers | |
697 | value = (width * norm_hdelay(core->tvnorm)) / swidth; | |
698 | value &= 0x3fe; | |
699 | cx_write(MO_HDELAY_EVEN, value); | |
700 | cx_write(MO_HDELAY_ODD, value); | |
315eb962 | 701 | dprintk(1,"set_scale: hdelay 0x%04x (width %d)\n", value,swidth); |
1da177e4 LT |
702 | |
703 | value = (swidth * 4096 / width) - 4096; | |
704 | cx_write(MO_HSCALE_EVEN, value); | |
705 | cx_write(MO_HSCALE_ODD, value); | |
706 | dprintk(1,"set_scale: hscale 0x%04x\n", value); | |
707 | ||
708 | cx_write(MO_HACTIVE_EVEN, width); | |
709 | cx_write(MO_HACTIVE_ODD, width); | |
710 | dprintk(1,"set_scale: hactive 0x%04x\n", width); | |
711 | ||
712 | // recalc V scale Register (delay is constant) | |
713 | cx_write(MO_VDELAY_EVEN, norm_vdelay(core->tvnorm)); | |
714 | cx_write(MO_VDELAY_ODD, norm_vdelay(core->tvnorm)); | |
715 | dprintk(1,"set_scale: vdelay 0x%04x\n", norm_vdelay(core->tvnorm)); | |
716 | ||
717 | value = (0x10000 - (sheight * 512 / height - 512)) & 0x1fff; | |
718 | cx_write(MO_VSCALE_EVEN, value); | |
719 | cx_write(MO_VSCALE_ODD, value); | |
720 | dprintk(1,"set_scale: vscale 0x%04x\n", value); | |
721 | ||
722 | cx_write(MO_VACTIVE_EVEN, sheight); | |
723 | cx_write(MO_VACTIVE_ODD, sheight); | |
724 | dprintk(1,"set_scale: vactive 0x%04x\n", sheight); | |
725 | ||
726 | // setup filters | |
727 | value = 0; | |
728 | value |= (1 << 19); // CFILT (default) | |
63ab1bdc | 729 | if (core->tvnorm & V4L2_STD_SECAM) { |
1da177e4 LT |
730 | value |= (1 << 15); |
731 | value |= (1 << 16); | |
732 | } | |
6a59d64c | 733 | if (INPUT(core->input).type == CX88_VMUX_SVIDEO) |
1da177e4 LT |
734 | value |= (1 << 13) | (1 << 5); |
735 | if (V4L2_FIELD_INTERLACED == field) | |
736 | value |= (1 << 3); // VINT (interlaced vertical scaling) | |
737 | if (width < 385) | |
738 | value |= (1 << 0); // 3-tap interpolation | |
739 | if (width < 193) | |
740 | value |= (1 << 1); // 5-tap interpolation | |
741 | if (nocomb) | |
742 | value |= (3 << 5); // disable comb filter | |
743 | ||
744 | cx_write(MO_FILTER_EVEN, value); | |
745 | cx_write(MO_FILTER_ODD, value); | |
746 | dprintk(1,"set_scale: filter 0x%04x\n", value); | |
747 | ||
748 | return 0; | |
749 | } | |
750 | ||
751 | static const u32 xtal = 28636363; | |
752 | ||
753 | static int set_pll(struct cx88_core *core, int prescale, u32 ofreq) | |
754 | { | |
755 | static u32 pre[] = { 0, 0, 0, 3, 2, 1 }; | |
756 | u64 pll; | |
757 | u32 reg; | |
758 | int i; | |
759 | ||
760 | if (prescale < 2) | |
761 | prescale = 2; | |
762 | if (prescale > 5) | |
763 | prescale = 5; | |
764 | ||
765 | pll = ofreq * 8 * prescale * (u64)(1 << 20); | |
766 | do_div(pll,xtal); | |
767 | reg = (pll & 0x3ffffff) | (pre[prescale] << 26); | |
768 | if (((reg >> 20) & 0x3f) < 14) { | |
769 | printk("%s/0: pll out of range\n",core->name); | |
770 | return -1; | |
771 | } | |
772 | ||
773 | dprintk(1,"set_pll: MO_PLL_REG 0x%08x [old=0x%08x,freq=%d]\n", | |
774 | reg, cx_read(MO_PLL_REG), ofreq); | |
775 | cx_write(MO_PLL_REG, reg); | |
776 | for (i = 0; i < 100; i++) { | |
777 | reg = cx_read(MO_DEVICE_STATUS); | |
778 | if (reg & (1<<2)) { | |
779 | dprintk(1,"pll locked [pre=%d,ofreq=%d]\n", | |
780 | prescale,ofreq); | |
781 | return 0; | |
782 | } | |
783 | dprintk(1,"pll not locked yet, waiting ...\n"); | |
784 | msleep(10); | |
785 | } | |
786 | dprintk(1,"pll NOT locked [pre=%d,ofreq=%d]\n",prescale,ofreq); | |
787 | return -1; | |
788 | } | |
789 | ||
6f502b8a MCC |
790 | int cx88_start_audio_dma(struct cx88_core *core) |
791 | { | |
17801f5f MR |
792 | /* constant 128 made buzz in analog Nicam-stereo for bigger fifo_size */ |
793 | int bpl = cx88_sram_channels[SRAM_CH25].fifo_size/4; | |
e738e35d RC |
794 | |
795 | /* If downstream RISC is enabled, bail out; ALSA is managing DMA */ | |
796 | if (cx_read(MO_AUD_DMACNTRL) & 0x10) | |
797 | return 0; | |
798 | ||
6f502b8a | 799 | /* setup fifo + format */ |
17801f5f MR |
800 | cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH25], bpl, 0); |
801 | cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH26], bpl, 0); | |
6f502b8a | 802 | |
17801f5f MR |
803 | cx_write(MO_AUDD_LNGTH, bpl); /* fifo bpl size */ |
804 | cx_write(MO_AUDR_LNGTH, bpl); /* fifo bpl size */ | |
6f502b8a MCC |
805 | |
806 | /* start dma */ | |
807 | cx_write(MO_AUD_DMACNTRL, 0x0003); /* Up and Down fifo enable */ | |
e738e35d | 808 | |
6f502b8a MCC |
809 | return 0; |
810 | } | |
811 | ||
812 | int cx88_stop_audio_dma(struct cx88_core *core) | |
813 | { | |
e738e35d RC |
814 | /* If downstream RISC is enabled, bail out; ALSA is managing DMA */ |
815 | if (cx_read(MO_AUD_DMACNTRL) & 0x10) | |
816 | return 0; | |
817 | ||
6f502b8a MCC |
818 | /* stop dma */ |
819 | cx_write(MO_AUD_DMACNTRL, 0x0000); | |
820 | ||
821 | return 0; | |
822 | } | |
823 | ||
1da177e4 LT |
824 | static int set_tvaudio(struct cx88_core *core) |
825 | { | |
63ab1bdc | 826 | v4l2_std_id norm = core->tvnorm; |
1da177e4 | 827 | |
6a59d64c | 828 | if (CX88_VMUX_TELEVISION != INPUT(core->input).type) |
1da177e4 LT |
829 | return 0; |
830 | ||
63ab1bdc | 831 | if (V4L2_STD_PAL_BG & norm) { |
b1706b91 | 832 | core->tvaudio = WW_BG; |
1da177e4 | 833 | |
63ab1bdc | 834 | } else if (V4L2_STD_PAL_DK & norm) { |
b1706b91 | 835 | core->tvaudio = WW_DK; |
1da177e4 | 836 | |
63ab1bdc | 837 | } else if (V4L2_STD_PAL_I & norm) { |
b1706b91 | 838 | core->tvaudio = WW_I; |
1da177e4 | 839 | |
63ab1bdc | 840 | } else if (V4L2_STD_SECAM_L & norm) { |
b1706b91 | 841 | core->tvaudio = WW_L; |
1da177e4 | 842 | |
63ab1bdc | 843 | } else if (V4L2_STD_SECAM_DK & norm) { |
b1706b91 | 844 | core->tvaudio = WW_DK; |
1da177e4 | 845 | |
63ab1bdc MCC |
846 | } else if ((V4L2_STD_NTSC_M & norm) || |
847 | (V4L2_STD_PAL_M & norm)) { | |
1da177e4 LT |
848 | core->tvaudio = WW_BTSC; |
849 | ||
63ab1bdc | 850 | } else if (V4L2_STD_NTSC_M_JP & norm) { |
1da177e4 LT |
851 | core->tvaudio = WW_EIAJ; |
852 | ||
853 | } else { | |
854 | printk("%s/0: tvaudio support needs work for this tv norm [%s], sorry\n", | |
63ab1bdc | 855 | core->name, v4l2_norm_to_name(core->tvnorm)); |
1da177e4 LT |
856 | core->tvaudio = 0; |
857 | return 0; | |
858 | } | |
859 | ||
860 | cx_andor(MO_AFECFG_IO, 0x1f, 0x0); | |
861 | cx88_set_tvaudio(core); | |
e52e98a7 | 862 | /* cx88_set_stereo(dev,V4L2_TUNER_MODE_STEREO); */ |
1da177e4 | 863 | |
6f502b8a MCC |
864 | /* |
865 | This should be needed only on cx88-alsa. It seems that some cx88 chips have | |
866 | bugs and does require DMA enabled for it to work. | |
867 | */ | |
868 | cx88_start_audio_dma(core); | |
1da177e4 LT |
869 | return 0; |
870 | } | |
871 | ||
6f502b8a MCC |
872 | |
873 | ||
63ab1bdc | 874 | int cx88_set_tvnorm(struct cx88_core *core, v4l2_std_id norm) |
1da177e4 LT |
875 | { |
876 | u32 fsc8; | |
877 | u32 adc_clock; | |
878 | u32 vdec_clock; | |
879 | u32 step_db,step_dr; | |
880 | u64 tmp64; | |
881 | u32 bdelay,agcdelay,htotal; | |
8d87cb9f | 882 | u32 cxiformat, cxoformat; |
1da177e4 LT |
883 | |
884 | core->tvnorm = norm; | |
885 | fsc8 = norm_fsc8(norm); | |
886 | adc_clock = xtal; | |
887 | vdec_clock = fsc8; | |
888 | step_db = fsc8; | |
889 | step_dr = fsc8; | |
890 | ||
63ab1bdc | 891 | if (norm & V4L2_STD_NTSC_M_JP) { |
8d87cb9f MCC |
892 | cxiformat = VideoFormatNTSCJapan; |
893 | cxoformat = 0x181f0008; | |
63ab1bdc | 894 | } else if (norm & V4L2_STD_NTSC_443) { |
1427f6b6 MCC |
895 | cxiformat = VideoFormatNTSC443; |
896 | cxoformat = 0x181f0008; | |
63ab1bdc | 897 | } else if (norm & V4L2_STD_PAL_M) { |
8d87cb9f MCC |
898 | cxiformat = VideoFormatPALM; |
899 | cxoformat = 0x1c1f0008; | |
63ab1bdc | 900 | } else if (norm & V4L2_STD_PAL_N) { |
8d87cb9f MCC |
901 | cxiformat = VideoFormatPALN; |
902 | cxoformat = 0x1c1f0008; | |
63ab1bdc | 903 | } else if (norm & V4L2_STD_PAL_Nc) { |
8d87cb9f MCC |
904 | cxiformat = VideoFormatPALNC; |
905 | cxoformat = 0x1c1f0008; | |
63ab1bdc | 906 | } else if (norm & V4L2_STD_PAL_60) { |
8d87cb9f MCC |
907 | cxiformat = VideoFormatPAL60; |
908 | cxoformat = 0x181f0008; | |
63ab1bdc | 909 | } else if (norm & V4L2_STD_NTSC) { |
8d87cb9f MCC |
910 | cxiformat = VideoFormatNTSC; |
911 | cxoformat = 0x181f0008; | |
63ab1bdc | 912 | } else if (norm & V4L2_STD_SECAM) { |
1da177e4 LT |
913 | step_db = 4250000 * 8; |
914 | step_dr = 4406250 * 8; | |
1427f6b6 MCC |
915 | |
916 | cxiformat = VideoFormatSECAM; | |
917 | cxoformat = 0x181f0008; | |
8d87cb9f MCC |
918 | } else { /* PAL */ |
919 | cxiformat = VideoFormatPAL; | |
920 | cxoformat = 0x181f0008; | |
1da177e4 LT |
921 | } |
922 | ||
923 | dprintk(1,"set_tvnorm: \"%s\" fsc8=%d adc=%d vdec=%d db/dr=%d/%d\n", | |
63ab1bdc MCC |
924 | v4l2_norm_to_name(core->tvnorm), fsc8, adc_clock, vdec_clock, |
925 | step_db, step_dr); | |
1da177e4 LT |
926 | set_pll(core,2,vdec_clock); |
927 | ||
928 | dprintk(1,"set_tvnorm: MO_INPUT_FORMAT 0x%08x [old=0x%08x]\n", | |
8d87cb9f MCC |
929 | cxiformat, cx_read(MO_INPUT_FORMAT) & 0x0f); |
930 | cx_andor(MO_INPUT_FORMAT, 0xf, cxiformat); | |
1da177e4 | 931 | |
1da177e4 LT |
932 | // FIXME: as-is from DScaler |
933 | dprintk(1,"set_tvnorm: MO_OUTPUT_FORMAT 0x%08x [old=0x%08x]\n", | |
8d87cb9f MCC |
934 | cxoformat, cx_read(MO_OUTPUT_FORMAT)); |
935 | cx_write(MO_OUTPUT_FORMAT, cxoformat); | |
1da177e4 LT |
936 | |
937 | // MO_SCONV_REG = adc clock / video dec clock * 2^17 | |
938 | tmp64 = adc_clock * (u64)(1 << 17); | |
939 | do_div(tmp64, vdec_clock); | |
940 | dprintk(1,"set_tvnorm: MO_SCONV_REG 0x%08x [old=0x%08x]\n", | |
941 | (u32)tmp64, cx_read(MO_SCONV_REG)); | |
942 | cx_write(MO_SCONV_REG, (u32)tmp64); | |
943 | ||
944 | // MO_SUB_STEP = 8 * fsc / video dec clock * 2^22 | |
945 | tmp64 = step_db * (u64)(1 << 22); | |
946 | do_div(tmp64, vdec_clock); | |
947 | dprintk(1,"set_tvnorm: MO_SUB_STEP 0x%08x [old=0x%08x]\n", | |
948 | (u32)tmp64, cx_read(MO_SUB_STEP)); | |
949 | cx_write(MO_SUB_STEP, (u32)tmp64); | |
950 | ||
951 | // MO_SUB_STEP_DR = 8 * 4406250 / video dec clock * 2^22 | |
952 | tmp64 = step_dr * (u64)(1 << 22); | |
953 | do_div(tmp64, vdec_clock); | |
954 | dprintk(1,"set_tvnorm: MO_SUB_STEP_DR 0x%08x [old=0x%08x]\n", | |
955 | (u32)tmp64, cx_read(MO_SUB_STEP_DR)); | |
956 | cx_write(MO_SUB_STEP_DR, (u32)tmp64); | |
957 | ||
958 | // bdelay + agcdelay | |
959 | bdelay = vdec_clock * 65 / 20000000 + 21; | |
960 | agcdelay = vdec_clock * 68 / 20000000 + 15; | |
961 | dprintk(1,"set_tvnorm: MO_AGC_BURST 0x%08x [old=0x%08x,bdelay=%d,agcdelay=%d]\n", | |
962 | (bdelay << 8) | agcdelay, cx_read(MO_AGC_BURST), bdelay, agcdelay); | |
963 | cx_write(MO_AGC_BURST, (bdelay << 8) | agcdelay); | |
964 | ||
965 | // htotal | |
966 | tmp64 = norm_htotal(norm) * (u64)vdec_clock; | |
967 | do_div(tmp64, fsc8); | |
ccbf64b1 | 968 | htotal = (u32)tmp64 | (HLNotchFilter4xFsc << 11); |
1da177e4 LT |
969 | dprintk(1,"set_tvnorm: MO_HTOTAL 0x%08x [old=0x%08x,htotal=%d]\n", |
970 | htotal, cx_read(MO_HTOTAL), (u32)tmp64); | |
971 | cx_write(MO_HTOTAL, htotal); | |
972 | ||
3eb73170 TP |
973 | // vbi stuff, set vbi offset to 10 (for 20 Clk*2 pixels), this makes |
974 | // the effective vbi offset ~244 samples, the same as the Bt8x8 | |
975 | cx_write(MO_VBI_PACKET, (10<<11) | norm_vbipack(norm)); | |
1da177e4 LT |
976 | |
977 | // this is needed as well to set all tvnorm parameter | |
978 | cx88_set_scale(core, 320, 240, V4L2_FIELD_INTERLACED); | |
979 | ||
980 | // audio | |
981 | set_tvaudio(core); | |
982 | ||
983 | // tell i2c chips | |
63ab1bdc | 984 | cx88_call_i2c_clients(core,VIDIOC_S_STD,&norm); |
1da177e4 LT |
985 | |
986 | // done | |
987 | return 0; | |
988 | } | |
989 | ||
990 | /* ------------------------------------------------------------------ */ | |
991 | ||
1da177e4 LT |
992 | struct video_device *cx88_vdev_init(struct cx88_core *core, |
993 | struct pci_dev *pci, | |
994 | struct video_device *template, | |
995 | char *type) | |
996 | { | |
997 | struct video_device *vfd; | |
998 | ||
999 | vfd = video_device_alloc(); | |
1000 | if (NULL == vfd) | |
1001 | return NULL; | |
1002 | *vfd = *template; | |
1003 | vfd->minor = -1; | |
1004 | vfd->dev = &pci->dev; | |
1005 | vfd->release = video_device_release; | |
1006 | snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", | |
6a59d64c | 1007 | core->name, type, core->board.name); |
1da177e4 LT |
1008 | return vfd; |
1009 | } | |
1010 | ||
1da177e4 LT |
1011 | struct cx88_core* cx88_core_get(struct pci_dev *pci) |
1012 | { | |
1013 | struct cx88_core *core; | |
1014 | struct list_head *item; | |
1da177e4 | 1015 | |
1e4baed3 | 1016 | mutex_lock(&devlist); |
1da177e4 LT |
1017 | list_for_each(item,&cx88_devlist) { |
1018 | core = list_entry(item, struct cx88_core, devlist); | |
1019 | if (pci->bus->number != core->pci_bus) | |
1020 | continue; | |
1021 | if (PCI_SLOT(pci->devfn) != core->pci_slot) | |
1022 | continue; | |
1023 | ||
bbc83597 TP |
1024 | if (0 != cx88_get_resources(core, pci)) { |
1025 | mutex_unlock(&devlist); | |
1026 | return NULL; | |
1027 | } | |
1da177e4 | 1028 | atomic_inc(&core->refcount); |
1e4baed3 | 1029 | mutex_unlock(&devlist); |
1da177e4 LT |
1030 | return core; |
1031 | } | |
b45009b0 | 1032 | |
bbc83597 TP |
1033 | core = cx88_core_create(pci, cx88_devcount); |
1034 | if (NULL != core) { | |
1035 | cx88_devcount++; | |
1036 | list_add_tail(&core->devlist, &cx88_devlist); | |
1037 | } | |
1da177e4 | 1038 | |
1e4baed3 | 1039 | mutex_unlock(&devlist); |
1da177e4 | 1040 | return core; |
1da177e4 LT |
1041 | } |
1042 | ||
1043 | void cx88_core_put(struct cx88_core *core, struct pci_dev *pci) | |
1044 | { | |
1045 | release_mem_region(pci_resource_start(pci,0), | |
1046 | pci_resource_len(pci,0)); | |
1047 | ||
1048 | if (!atomic_dec_and_test(&core->refcount)) | |
1049 | return; | |
1050 | ||
1e4baed3 | 1051 | mutex_lock(&devlist); |
1da177e4 LT |
1052 | cx88_ir_fini(core); |
1053 | if (0 == core->i2c_rc) | |
3269711b | 1054 | i2c_del_adapter(&core->i2c_adap); |
1da177e4 LT |
1055 | list_del(&core->devlist); |
1056 | iounmap(core->lmmio); | |
1057 | cx88_devcount--; | |
1e4baed3 | 1058 | mutex_unlock(&devlist); |
1da177e4 LT |
1059 | kfree(core); |
1060 | } | |
1061 | ||
1062 | /* ------------------------------------------------------------------ */ | |
1063 | ||
1da177e4 LT |
1064 | EXPORT_SYMBOL(cx88_print_irqbits); |
1065 | ||
1066 | EXPORT_SYMBOL(cx88_core_irq); | |
1067 | EXPORT_SYMBOL(cx88_wakeup); | |
1068 | EXPORT_SYMBOL(cx88_reset); | |
1069 | EXPORT_SYMBOL(cx88_shutdown); | |
1070 | ||
1071 | EXPORT_SYMBOL(cx88_risc_buffer); | |
1072 | EXPORT_SYMBOL(cx88_risc_databuffer); | |
1073 | EXPORT_SYMBOL(cx88_risc_stopper); | |
1074 | EXPORT_SYMBOL(cx88_free_buffer); | |
1075 | ||
1076 | EXPORT_SYMBOL(cx88_sram_channels); | |
1077 | EXPORT_SYMBOL(cx88_sram_channel_setup); | |
1078 | EXPORT_SYMBOL(cx88_sram_channel_dump); | |
1079 | ||
1080 | EXPORT_SYMBOL(cx88_set_tvnorm); | |
1081 | EXPORT_SYMBOL(cx88_set_scale); | |
1082 | ||
1083 | EXPORT_SYMBOL(cx88_vdev_init); | |
1084 | EXPORT_SYMBOL(cx88_core_get); | |
1085 | EXPORT_SYMBOL(cx88_core_put); | |
1086 | ||
1087 | /* | |
1088 | * Local variables: | |
1089 | * c-basic-offset: 8 | |
1090 | * End: | |
e52e98a7 | 1091 | * kate: eol "unix"; indent-width 3; remove-trailing-space on; replace-trailing-space-save on; tab-width 8; replace-tabs off; space-indent off; mixed-indent off |
1da177e4 | 1092 | */ |