Commit | Line | Data |
---|---|---|
32db7754 HV |
1 | /* |
2 | On Screen Display cx23415 Framebuffer driver | |
3 | ||
4 | This module presents the cx23415 OSD (onscreen display) framebuffer memory | |
5 | as a standard Linux /dev/fb style framebuffer device. The framebuffer has | |
be383bd3 | 6 | support for 8, 16 & 32 bpp packed pixel formats with alpha channel. In 16bpp |
32db7754 HV |
7 | mode, there is a choice of a three color depths (12, 15 or 16 bits), but no |
8 | local alpha. The colorspace is selectable between rgb & yuv. | |
9 | Depending on the TV standard configured in the ivtv module at load time, | |
10 | the initial resolution is either 640x400 (NTSC) or 640x480 (PAL) at 8bpp. | |
11 | Video timings are locked to ensure a vertical refresh rate of 50Hz (PAL) | |
12 | or 59.94 (NTSC) | |
13 | ||
14 | Copyright (c) 2003 Matt T. Yourst <yourst@yourst.com> | |
15 | ||
16 | Derived from drivers/video/vesafb.c | |
17 | Portions (c) 1998 Gerd Knorr <kraxel@goldbach.in-berlin.de> | |
18 | ||
19 | 2.6 kernel port: | |
20 | Copyright (C) 2004 Matthias Badaire | |
21 | ||
22 | Copyright (C) 2004 Chris Kennedy <c@groovy.org> | |
23 | ||
24 | Copyright (C) 2006 Ian Armstrong <ian@iarmst.demon.co.uk> | |
25 | ||
26 | This program is free software; you can redistribute it and/or modify | |
27 | it under the terms of the GNU General Public License as published by | |
28 | the Free Software Foundation; either version 2 of the License, or | |
29 | (at your option) any later version. | |
30 | ||
31 | This program is distributed in the hope that it will be useful, | |
32 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
33 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
34 | GNU General Public License for more details. | |
35 | ||
36 | You should have received a copy of the GNU General Public License | |
37 | along with this program; if not, write to the Free Software | |
38 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
39 | */ | |
40 | ||
41 | #include <linux/module.h> | |
42 | #include <linux/kernel.h> | |
32db7754 | 43 | #include <linux/fb.h> |
0f45b8c5 | 44 | #include <linux/ivtvfb.h> |
5a0e3ad6 | 45 | #include <linux/slab.h> |
32db7754 HV |
46 | |
47 | #ifdef CONFIG_MTRR | |
48 | #include <asm/mtrr.h> | |
49 | #endif | |
50 | ||
51 | #include "ivtv-driver.h" | |
67ec09fd | 52 | #include "ivtv-cards.h" |
4e7ca40d | 53 | #include "ivtv-i2c.h" |
32db7754 | 54 | #include "ivtv-udma.h" |
32db7754 | 55 | #include "ivtv-mailbox.h" |
215659d1 | 56 | #include "ivtv-firmware.h" |
32db7754 HV |
57 | |
58 | /* card parameters */ | |
641ed49d HV |
59 | static int ivtvfb_card_id = -1; |
60 | static int ivtvfb_debug = 0; | |
32db7754 | 61 | static int osd_laced; |
32db7754 HV |
62 | static int osd_depth; |
63 | static int osd_upper; | |
64 | static int osd_left; | |
65 | static int osd_yres; | |
66 | static int osd_xres; | |
67 | ||
641ed49d HV |
68 | module_param(ivtvfb_card_id, int, 0444); |
69 | module_param_named(debug,ivtvfb_debug, int, 0644); | |
32db7754 | 70 | module_param(osd_laced, bool, 0444); |
32db7754 HV |
71 | module_param(osd_depth, int, 0444); |
72 | module_param(osd_upper, int, 0444); | |
73 | module_param(osd_left, int, 0444); | |
74 | module_param(osd_yres, int, 0444); | |
75 | module_param(osd_xres, int, 0444); | |
76 | ||
641ed49d | 77 | MODULE_PARM_DESC(ivtvfb_card_id, |
32db7754 HV |
78 | "Only use framebuffer of the specified ivtv card (0-31)\n" |
79 | "\t\t\tdefault -1: initialize all available framebuffers"); | |
80 | ||
81 | MODULE_PARM_DESC(debug, | |
82 | "Debug level (bitmask). Default: errors only\n" | |
83 | "\t\t\t(debug = 3 gives full debugging)"); | |
84 | ||
32db7754 HV |
85 | /* Why upper, left, xres, yres, depth, laced ? To match terminology used |
86 | by fbset. | |
87 | Why start at 1 for left & upper coordinate ? Because X doesn't allow 0 */ | |
88 | ||
89 | MODULE_PARM_DESC(osd_laced, | |
90 | "Interlaced mode\n" | |
91 | "\t\t\t0=off\n" | |
92 | "\t\t\t1=on\n" | |
93 | "\t\t\tdefault off"); | |
94 | ||
95 | MODULE_PARM_DESC(osd_depth, | |
be383bd3 | 96 | "Bits per pixel - 8, 16, 32\n" |
32db7754 HV |
97 | "\t\t\tdefault 8"); |
98 | ||
99 | MODULE_PARM_DESC(osd_upper, | |
100 | "Vertical start position\n" | |
101 | "\t\t\tdefault 0 (Centered)"); | |
102 | ||
103 | MODULE_PARM_DESC(osd_left, | |
104 | "Horizontal start position\n" | |
105 | "\t\t\tdefault 0 (Centered)"); | |
106 | ||
107 | MODULE_PARM_DESC(osd_yres, | |
108 | "Display height\n" | |
109 | "\t\t\tdefault 480 (PAL)\n" | |
110 | "\t\t\t 400 (NTSC)"); | |
111 | ||
112 | MODULE_PARM_DESC(osd_xres, | |
113 | "Display width\n" | |
114 | "\t\t\tdefault 640"); | |
115 | ||
116 | MODULE_AUTHOR("Kevin Thayer, Chris Kennedy, Hans Verkuil, John Harvey, Ian Armstrong"); | |
117 | MODULE_LICENSE("GPL"); | |
118 | ||
119 | /* --------------------------------------------------------------------- */ | |
120 | ||
641ed49d HV |
121 | #define IVTVFB_DBGFLG_WARN (1 << 0) |
122 | #define IVTVFB_DBGFLG_INFO (1 << 1) | |
32db7754 | 123 | |
641ed49d | 124 | #define IVTVFB_DEBUG(x, type, fmt, args...) \ |
32db7754 | 125 | do { \ |
641ed49d | 126 | if ((x) & ivtvfb_debug) \ |
67ec09fd | 127 | printk(KERN_INFO "ivtvfb%d " type ": " fmt, itv->instance , ## args); \ |
32db7754 | 128 | } while (0) |
641ed49d HV |
129 | #define IVTVFB_DEBUG_WARN(fmt, args...) IVTVFB_DEBUG(IVTVFB_DBGFLG_WARN, "warning", fmt , ## args) |
130 | #define IVTVFB_DEBUG_INFO(fmt, args...) IVTVFB_DEBUG(IVTVFB_DBGFLG_INFO, "info", fmt , ## args) | |
32db7754 HV |
131 | |
132 | /* Standard kernel messages */ | |
67ec09fd HV |
133 | #define IVTVFB_ERR(fmt, args...) printk(KERN_ERR "ivtvfb%d: " fmt, itv->instance , ## args) |
134 | #define IVTVFB_WARN(fmt, args...) printk(KERN_WARNING "ivtvfb%d: " fmt, itv->instance , ## args) | |
135 | #define IVTVFB_INFO(fmt, args...) printk(KERN_INFO "ivtvfb%d: " fmt, itv->instance , ## args) | |
32db7754 HV |
136 | |
137 | /* --------------------------------------------------------------------- */ | |
138 | ||
139 | #define IVTV_OSD_MAX_WIDTH 720 | |
140 | #define IVTV_OSD_MAX_HEIGHT 576 | |
141 | ||
142 | #define IVTV_OSD_BPP_8 0x00 | |
143 | #define IVTV_OSD_BPP_16_444 0x03 | |
144 | #define IVTV_OSD_BPP_16_555 0x02 | |
145 | #define IVTV_OSD_BPP_16_565 0x01 | |
146 | #define IVTV_OSD_BPP_32 0x04 | |
147 | ||
148 | struct osd_info { | |
32db7754 HV |
149 | /* Physical base address */ |
150 | unsigned long video_pbase; | |
151 | /* Relative base address (relative to start of decoder memory) */ | |
152 | u32 video_rbase; | |
153 | /* Mapped base address */ | |
154 | volatile char __iomem *video_vbase; | |
155 | /* Buffer size */ | |
156 | u32 video_buffer_size; | |
157 | ||
158 | #ifdef CONFIG_MTRR | |
159 | /* video_base rounded down as required by hardware MTRRs */ | |
160 | unsigned long fb_start_aligned_physaddr; | |
161 | /* video_base rounded up as required by hardware MTRRs */ | |
162 | unsigned long fb_end_aligned_physaddr; | |
163 | #endif | |
164 | ||
165 | /* Store the buffer offset */ | |
166 | int set_osd_coords_x; | |
167 | int set_osd_coords_y; | |
168 | ||
169 | /* Current dimensions (NOT VISIBLE SIZE!) */ | |
170 | int display_width; | |
171 | int display_height; | |
172 | int display_byte_stride; | |
173 | ||
174 | /* Current bits per pixel */ | |
175 | int bits_per_pixel; | |
176 | int bytes_per_pixel; | |
177 | ||
178 | /* Frame buffer stuff */ | |
179 | struct fb_info ivtvfb_info; | |
180 | struct fb_var_screeninfo ivtvfb_defined; | |
181 | struct fb_fix_screeninfo ivtvfb_fix; | |
215659d1 IA |
182 | |
183 | /* Used for a warm start */ | |
184 | struct fb_var_screeninfo fbvar_cur; | |
185 | int blank_cur; | |
186 | u32 palette_cur[256]; | |
187 | u32 pan_cur; | |
32db7754 HV |
188 | }; |
189 | ||
190 | struct ivtv_osd_coords { | |
191 | unsigned long offset; | |
192 | unsigned long max_offset; | |
193 | int pixel_stride; | |
194 | int lines; | |
195 | int x; | |
196 | int y; | |
197 | }; | |
198 | ||
199 | /* --------------------------------------------------------------------- */ | |
200 | ||
201 | /* ivtv API calls for framebuffer related support */ | |
202 | ||
641ed49d | 203 | static int ivtvfb_get_framebuffer(struct ivtv *itv, u32 *fbbase, |
32db7754 HV |
204 | u32 *fblength) |
205 | { | |
206 | u32 data[CX2341X_MBOX_MAX_DATA]; | |
207 | int rc; | |
208 | ||
215659d1 | 209 | ivtv_firmware_check(itv, "ivtvfb_get_framebuffer"); |
32db7754 HV |
210 | rc = ivtv_vapi_result(itv, data, CX2341X_OSD_GET_FRAMEBUFFER, 0); |
211 | *fbbase = data[0]; | |
212 | *fblength = data[1]; | |
213 | return rc; | |
214 | } | |
215 | ||
641ed49d | 216 | static int ivtvfb_get_osd_coords(struct ivtv *itv, |
32db7754 HV |
217 | struct ivtv_osd_coords *osd) |
218 | { | |
be383bd3 | 219 | struct osd_info *oi = itv->osd_info; |
32db7754 HV |
220 | u32 data[CX2341X_MBOX_MAX_DATA]; |
221 | ||
222 | ivtv_vapi_result(itv, data, CX2341X_OSD_GET_OSD_COORDS, 0); | |
223 | ||
be383bd3 HV |
224 | osd->offset = data[0] - oi->video_rbase; |
225 | osd->max_offset = oi->display_width * oi->display_height * 4; | |
32db7754 HV |
226 | osd->pixel_stride = data[1]; |
227 | osd->lines = data[2]; | |
228 | osd->x = data[3]; | |
229 | osd->y = data[4]; | |
230 | return 0; | |
231 | } | |
232 | ||
641ed49d | 233 | static int ivtvfb_set_osd_coords(struct ivtv *itv, const struct ivtv_osd_coords *osd) |
32db7754 | 234 | { |
be383bd3 HV |
235 | struct osd_info *oi = itv->osd_info; |
236 | ||
237 | oi->display_width = osd->pixel_stride; | |
238 | oi->display_byte_stride = osd->pixel_stride * oi->bytes_per_pixel; | |
239 | oi->set_osd_coords_x += osd->x; | |
240 | oi->set_osd_coords_y = osd->y; | |
32db7754 HV |
241 | |
242 | return ivtv_vapi(itv, CX2341X_OSD_SET_OSD_COORDS, 5, | |
be383bd3 | 243 | osd->offset + oi->video_rbase, |
32db7754 HV |
244 | osd->pixel_stride, |
245 | osd->lines, osd->x, osd->y); | |
246 | } | |
247 | ||
641ed49d | 248 | static int ivtvfb_set_display_window(struct ivtv *itv, struct v4l2_rect *ivtv_window) |
32db7754 | 249 | { |
c5874c92 | 250 | int osd_height_limit = itv->is_out_50hz ? 576 : 480; |
32db7754 HV |
251 | |
252 | /* Only fail if resolution too high, otherwise fudge the start coords. */ | |
253 | if ((ivtv_window->height > osd_height_limit) || (ivtv_window->width > IVTV_OSD_MAX_WIDTH)) | |
254 | return -EINVAL; | |
255 | ||
256 | /* Ensure we don't exceed display limits */ | |
257 | if (ivtv_window->top + ivtv_window->height > osd_height_limit) { | |
641ed49d | 258 | IVTVFB_DEBUG_WARN("ivtv_ioctl_fb_set_display_window - Invalid height setting (%d, %d)\n", |
32db7754 HV |
259 | ivtv_window->top, ivtv_window->height); |
260 | ivtv_window->top = osd_height_limit - ivtv_window->height; | |
261 | } | |
262 | ||
263 | if (ivtv_window->left + ivtv_window->width > IVTV_OSD_MAX_WIDTH) { | |
641ed49d | 264 | IVTVFB_DEBUG_WARN("ivtv_ioctl_fb_set_display_window - Invalid width setting (%d, %d)\n", |
32db7754 HV |
265 | ivtv_window->left, ivtv_window->width); |
266 | ivtv_window->left = IVTV_OSD_MAX_WIDTH - ivtv_window->width; | |
267 | } | |
268 | ||
269 | /* Set the OSD origin */ | |
270 | write_reg((ivtv_window->top << 16) | ivtv_window->left, 0x02a04); | |
271 | ||
272 | /* How much to display */ | |
273 | write_reg(((ivtv_window->top+ivtv_window->height) << 16) | (ivtv_window->left+ivtv_window->width), 0x02a08); | |
274 | ||
275 | /* Pass this info back the yuv handler */ | |
276 | itv->yuv_info.osd_vis_w = ivtv_window->width; | |
277 | itv->yuv_info.osd_vis_h = ivtv_window->height; | |
278 | itv->yuv_info.osd_x_offset = ivtv_window->left; | |
279 | itv->yuv_info.osd_y_offset = ivtv_window->top; | |
280 | ||
281 | return 0; | |
282 | } | |
283 | ||
641ed49d | 284 | static int ivtvfb_prep_dec_dma_to_device(struct ivtv *itv, |
32db7754 HV |
285 | unsigned long ivtv_dest_addr, void __user *userbuf, |
286 | int size_in_bytes) | |
287 | { | |
288 | DEFINE_WAIT(wait); | |
32db7754 HV |
289 | int got_sig = 0; |
290 | ||
291 | mutex_lock(&itv->udma.lock); | |
292 | /* Map User DMA */ | |
293 | if (ivtv_udma_setup(itv, ivtv_dest_addr, userbuf, size_in_bytes) <= 0) { | |
294 | mutex_unlock(&itv->udma.lock); | |
641ed49d | 295 | IVTVFB_WARN("ivtvfb_prep_dec_dma_to_device, " |
32db7754 HV |
296 | "Error with get_user_pages: %d bytes, %d pages returned\n", |
297 | size_in_bytes, itv->udma.page_count); | |
298 | ||
299 | /* get_user_pages must have failed completely */ | |
300 | return -EIO; | |
301 | } | |
302 | ||
641ed49d | 303 | IVTVFB_DEBUG_INFO("ivtvfb_prep_dec_dma_to_device, %d bytes, %d pages\n", |
32db7754 HV |
304 | size_in_bytes, itv->udma.page_count); |
305 | ||
306 | ivtv_udma_prepare(itv); | |
307 | prepare_to_wait(&itv->dma_waitq, &wait, TASK_INTERRUPTIBLE); | |
308 | /* if no UDMA is pending and no UDMA is in progress, then the DMA | |
309 | is finished */ | |
ec105a42 HV |
310 | while (test_bit(IVTV_F_I_UDMA_PENDING, &itv->i_flags) || |
311 | test_bit(IVTV_F_I_UDMA, &itv->i_flags)) { | |
32db7754 HV |
312 | /* don't interrupt if the DMA is in progress but break off |
313 | a still pending DMA. */ | |
314 | got_sig = signal_pending(current); | |
315 | if (got_sig && test_and_clear_bit(IVTV_F_I_UDMA_PENDING, &itv->i_flags)) | |
316 | break; | |
317 | got_sig = 0; | |
318 | schedule(); | |
319 | } | |
320 | finish_wait(&itv->dma_waitq, &wait); | |
321 | ||
322 | /* Unmap Last DMA Xfer */ | |
323 | ivtv_udma_unmap(itv); | |
324 | mutex_unlock(&itv->udma.lock); | |
325 | if (got_sig) { | |
326 | IVTV_DEBUG_INFO("User stopped OSD\n"); | |
327 | return -EINTR; | |
328 | } | |
329 | ||
c777549f | 330 | return 0; |
32db7754 HV |
331 | } |
332 | ||
641ed49d | 333 | static int ivtvfb_prep_frame(struct ivtv *itv, int cmd, void __user *source, |
be383bd3 | 334 | unsigned long dest_offset, int count) |
32db7754 HV |
335 | { |
336 | DEFINE_WAIT(wait); | |
aaf9fa21 | 337 | struct osd_info *oi = itv->osd_info; |
32db7754 HV |
338 | |
339 | /* Nothing to do */ | |
340 | if (count == 0) { | |
641ed49d | 341 | IVTVFB_DEBUG_WARN("ivtvfb_prep_frame: Nothing to do. count = 0\n"); |
32db7754 HV |
342 | return -EINVAL; |
343 | } | |
344 | ||
345 | /* Check Total FB Size */ | |
aaf9fa21 | 346 | if ((dest_offset + count) > oi->video_buffer_size) { |
641ed49d | 347 | IVTVFB_WARN("ivtvfb_prep_frame: Overflowing the framebuffer %ld, only %d available\n", |
aaf9fa21 | 348 | dest_offset + count, oi->video_buffer_size); |
32db7754 HV |
349 | return -E2BIG; |
350 | } | |
351 | ||
352 | /* Not fatal, but will have undesirable results */ | |
353 | if ((unsigned long)source & 3) | |
641ed49d | 354 | IVTVFB_WARN("ivtvfb_prep_frame: Source address not 32 bit aligned (0x%08lx)\n", |
be383bd3 | 355 | (unsigned long)source); |
32db7754 HV |
356 | |
357 | if (dest_offset & 3) | |
641ed49d | 358 | IVTVFB_WARN("ivtvfb_prep_frame: Dest offset not 32 bit aligned (%ld)\n", dest_offset); |
32db7754 HV |
359 | |
360 | if (count & 3) | |
641ed49d | 361 | IVTVFB_WARN("ivtvfb_prep_frame: Count not a multiple of 4 (%d)\n", count); |
32db7754 HV |
362 | |
363 | /* Check Source */ | |
364 | if (!access_ok(VERIFY_READ, source + dest_offset, count)) { | |
641ed49d | 365 | IVTVFB_WARN("Invalid userspace pointer 0x%08lx\n", |
32db7754 HV |
366 | (unsigned long)source); |
367 | ||
641ed49d | 368 | IVTVFB_DEBUG_WARN("access_ok() failed for offset 0x%08lx source 0x%08lx count %d\n", |
32db7754 HV |
369 | dest_offset, (unsigned long)source, |
370 | count); | |
371 | return -EINVAL; | |
372 | } | |
373 | ||
374 | /* OSD Address to send DMA to */ | |
33c0fcad | 375 | dest_offset += IVTV_DECODER_OFFSET + oi->video_rbase; |
32db7754 HV |
376 | |
377 | /* Fill Buffers */ | |
641ed49d | 378 | return ivtvfb_prep_dec_dma_to_device(itv, dest_offset, source, count); |
32db7754 HV |
379 | } |
380 | ||
4cbeb371 | 381 | static ssize_t ivtvfb_write(struct fb_info *info, const char __user *buf, |
4ee0e42b | 382 | size_t count, loff_t *ppos) |
4cbeb371 IA |
383 | { |
384 | unsigned long p = *ppos; | |
385 | void *dst; | |
386 | int err = 0; | |
c777549f | 387 | int dma_err; |
4cbeb371 IA |
388 | unsigned long total_size; |
389 | struct ivtv *itv = (struct ivtv *) info->par; | |
390 | unsigned long dma_offset = | |
391 | IVTV_DECODER_OFFSET + itv->osd_info->video_rbase; | |
392 | unsigned long dma_size; | |
393 | u16 lead = 0, tail = 0; | |
394 | ||
395 | if (info->state != FBINFO_STATE_RUNNING) | |
396 | return -EPERM; | |
397 | ||
398 | total_size = info->screen_size; | |
399 | ||
400 | if (total_size == 0) | |
401 | total_size = info->fix.smem_len; | |
402 | ||
403 | if (p > total_size) | |
404 | return -EFBIG; | |
405 | ||
406 | if (count > total_size) { | |
407 | err = -EFBIG; | |
408 | count = total_size; | |
409 | } | |
410 | ||
411 | if (count + p > total_size) { | |
412 | if (!err) | |
413 | err = -ENOSPC; | |
4cbeb371 IA |
414 | count = total_size - p; |
415 | } | |
416 | ||
417 | dst = (void __force *) (info->screen_base + p); | |
418 | ||
419 | if (info->fbops->fb_sync) | |
420 | info->fbops->fb_sync(info); | |
421 | ||
c777549f IA |
422 | /* If transfer size > threshold and both src/dst |
423 | addresses are aligned, use DMA */ | |
424 | if (count >= 4096 && | |
425 | ((unsigned long)buf & 3) == ((unsigned long)dst & 3)) { | |
426 | /* Odd address = can't DMA. Align */ | |
427 | if ((unsigned long)dst & 3) { | |
428 | lead = 4 - ((unsigned long)dst & 3); | |
429 | if (copy_from_user(dst, buf, lead)) | |
430 | return -EFAULT; | |
431 | buf += lead; | |
432 | dst += lead; | |
4cbeb371 | 433 | } |
c777549f IA |
434 | /* DMA resolution is 32 bits */ |
435 | if ((count - lead) & 3) | |
436 | tail = (count - lead) & 3; | |
437 | /* DMA the data */ | |
438 | dma_size = count - lead - tail; | |
439 | dma_err = ivtvfb_prep_dec_dma_to_device(itv, | |
440 | p + lead + dma_offset, (void __user *)buf, dma_size); | |
441 | if (dma_err) | |
442 | return dma_err; | |
443 | dst += dma_size; | |
444 | buf += dma_size; | |
445 | /* Copy any leftover data */ | |
446 | if (tail && copy_from_user(dst, buf, tail)) | |
447 | return -EFAULT; | |
448 | } else if (copy_from_user(dst, buf, count)) { | |
449 | return -EFAULT; | |
4cbeb371 IA |
450 | } |
451 | ||
452 | if (!err) | |
453 | *ppos += count; | |
454 | ||
455 | return (err) ? err : count; | |
456 | } | |
457 | ||
32db7754 HV |
458 | static int ivtvfb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg) |
459 | { | |
460 | DEFINE_WAIT(wait); | |
461 | struct ivtv *itv = (struct ivtv *)info->par; | |
be383bd3 | 462 | int rc = 0; |
32db7754 HV |
463 | |
464 | switch (cmd) { | |
32db7754 HV |
465 | case FBIOGET_VBLANK: { |
466 | struct fb_vblank vblank; | |
467 | u32 trace; | |
468 | ||
40570798 DR |
469 | memset(&vblank, 0, sizeof(struct fb_vblank)); |
470 | ||
32db7754 HV |
471 | vblank.flags = FB_VBLANK_HAVE_COUNT |FB_VBLANK_HAVE_VCOUNT | |
472 | FB_VBLANK_HAVE_VSYNC; | |
4e1af31a | 473 | trace = read_reg(IVTV_REG_DEC_LINE_FIELD) >> 16; |
c5874c92 | 474 | if (itv->is_out_50hz && trace > 312) |
c777549f | 475 | trace -= 312; |
c5874c92 | 476 | else if (itv->is_out_60hz && trace > 262) |
c777549f IA |
477 | trace -= 262; |
478 | if (trace == 1) | |
479 | vblank.flags |= FB_VBLANK_VSYNCING; | |
a158f355 | 480 | vblank.count = itv->last_vsync_field; |
32db7754 HV |
481 | vblank.vcount = trace; |
482 | vblank.hcount = 0; | |
483 | if (copy_to_user((void __user *)arg, &vblank, sizeof(vblank))) | |
484 | return -EFAULT; | |
485 | return 0; | |
486 | } | |
487 | ||
be383bd3 | 488 | case FBIO_WAITFORVSYNC: |
32db7754 | 489 | prepare_to_wait(&itv->vsync_waitq, &wait, TASK_INTERRUPTIBLE); |
c777549f IA |
490 | if (!schedule_timeout(msecs_to_jiffies(50))) |
491 | rc = -ETIMEDOUT; | |
be383bd3 | 492 | finish_wait(&itv->vsync_waitq, &wait); |
32db7754 | 493 | return rc; |
32db7754 | 494 | |
d715e766 HV |
495 | case IVTVFB_IOC_DMA_FRAME: { |
496 | struct ivtvfb_dma_frame args; | |
32db7754 | 497 | |
641ed49d | 498 | IVTVFB_DEBUG_INFO("IVTVFB_IOC_DMA_FRAME\n"); |
32db7754 HV |
499 | if (copy_from_user(&args, (void __user *)arg, sizeof(args))) |
500 | return -EFAULT; | |
501 | ||
641ed49d | 502 | return ivtvfb_prep_frame(itv, cmd, args.source, args.dest_offset, args.count); |
32db7754 HV |
503 | } |
504 | ||
505 | default: | |
641ed49d | 506 | IVTVFB_DEBUG_INFO("Unknown ioctl %08x\n", cmd); |
32db7754 HV |
507 | return -EINVAL; |
508 | } | |
509 | return 0; | |
510 | } | |
511 | ||
512 | /* Framebuffer device handling */ | |
513 | ||
514 | static int ivtvfb_set_var(struct ivtv *itv, struct fb_var_screeninfo *var) | |
515 | { | |
aaf9fa21 | 516 | struct osd_info *oi = itv->osd_info; |
32db7754 HV |
517 | struct ivtv_osd_coords ivtv_osd; |
518 | struct v4l2_rect ivtv_window; | |
aaf9fa21 | 519 | int osd_mode = -1; |
32db7754 | 520 | |
641ed49d | 521 | IVTVFB_DEBUG_INFO("ivtvfb_set_var\n"); |
32db7754 HV |
522 | |
523 | /* Select color space */ | |
524 | if (var->nonstd) /* YUV */ | |
be383bd3 | 525 | write_reg(read_reg(0x02a00) | 0x0002000, 0x02a00); |
32db7754 | 526 | else /* RGB */ |
be383bd3 | 527 | write_reg(read_reg(0x02a00) & ~0x0002000, 0x02a00); |
32db7754 | 528 | |
aaf9fa21 | 529 | /* Set the color mode */ |
32db7754 HV |
530 | switch (var->bits_per_pixel) { |
531 | case 8: | |
aaf9fa21 | 532 | osd_mode = IVTV_OSD_BPP_8; |
32db7754 HV |
533 | break; |
534 | case 32: | |
aaf9fa21 | 535 | osd_mode = IVTV_OSD_BPP_32; |
32db7754 HV |
536 | break; |
537 | case 16: | |
538 | switch (var->green.length) { | |
539 | case 4: | |
aaf9fa21 | 540 | osd_mode = IVTV_OSD_BPP_16_444; |
32db7754 HV |
541 | break; |
542 | case 5: | |
aaf9fa21 | 543 | osd_mode = IVTV_OSD_BPP_16_555; |
32db7754 HV |
544 | break; |
545 | case 6: | |
aaf9fa21 | 546 | osd_mode = IVTV_OSD_BPP_16_565; |
32db7754 HV |
547 | break; |
548 | default: | |
641ed49d | 549 | IVTVFB_DEBUG_WARN("ivtvfb_set_var - Invalid bpp\n"); |
32db7754 HV |
550 | } |
551 | break; | |
552 | default: | |
641ed49d | 553 | IVTVFB_DEBUG_WARN("ivtvfb_set_var - Invalid bpp\n"); |
32db7754 HV |
554 | } |
555 | ||
6659e3ed IA |
556 | /* Set video mode. Although rare, the display can become scrambled even |
557 | if we don't change mode. Always 'bounce' to osd_mode via mode 0 */ | |
558 | if (osd_mode != -1) { | |
aaf9fa21 IA |
559 | ivtv_vapi(itv, CX2341X_OSD_SET_PIXEL_FORMAT, 1, 0); |
560 | ivtv_vapi(itv, CX2341X_OSD_SET_PIXEL_FORMAT, 1, osd_mode); | |
aaf9fa21 IA |
561 | } |
562 | ||
563 | oi->bits_per_pixel = var->bits_per_pixel; | |
564 | oi->bytes_per_pixel = var->bits_per_pixel / 8; | |
32db7754 HV |
565 | |
566 | /* Set the flicker filter */ | |
567 | switch (var->vmode & FB_VMODE_MASK) { | |
568 | case FB_VMODE_NONINTERLACED: /* Filter on */ | |
569 | ivtv_vapi(itv, CX2341X_OSD_SET_FLICKER_STATE, 1, 1); | |
570 | break; | |
571 | case FB_VMODE_INTERLACED: /* Filter off */ | |
572 | ivtv_vapi(itv, CX2341X_OSD_SET_FLICKER_STATE, 1, 0); | |
573 | break; | |
574 | default: | |
641ed49d | 575 | IVTVFB_DEBUG_WARN("ivtvfb_set_var - Invalid video mode\n"); |
32db7754 HV |
576 | } |
577 | ||
578 | /* Read the current osd info */ | |
641ed49d | 579 | ivtvfb_get_osd_coords(itv, &ivtv_osd); |
32db7754 HV |
580 | |
581 | /* Now set the OSD to the size we want */ | |
582 | ivtv_osd.pixel_stride = var->xres_virtual; | |
583 | ivtv_osd.lines = var->yres_virtual; | |
584 | ivtv_osd.x = 0; | |
585 | ivtv_osd.y = 0; | |
641ed49d | 586 | ivtvfb_set_osd_coords(itv, &ivtv_osd); |
32db7754 HV |
587 | |
588 | /* Can't seem to find the right API combo for this. | |
589 | Use another function which does what we need through direct register access. */ | |
590 | ivtv_window.width = var->xres; | |
591 | ivtv_window.height = var->yres; | |
592 | ||
593 | /* Minimum margin cannot be 0, as X won't allow such a mode */ | |
215659d1 IA |
594 | if (!var->upper_margin) |
595 | var->upper_margin++; | |
596 | if (!var->left_margin) | |
597 | var->left_margin++; | |
32db7754 HV |
598 | ivtv_window.top = var->upper_margin - 1; |
599 | ivtv_window.left = var->left_margin - 1; | |
600 | ||
641ed49d | 601 | ivtvfb_set_display_window(itv, &ivtv_window); |
32db7754 | 602 | |
77aded6b IA |
603 | /* Pass screen size back to yuv handler */ |
604 | itv->yuv_info.osd_full_w = ivtv_osd.pixel_stride; | |
605 | itv->yuv_info.osd_full_h = ivtv_osd.lines; | |
606 | ||
32db7754 HV |
607 | /* Force update of yuv registers */ |
608 | itv->yuv_info.yuv_forced_update = 1; | |
609 | ||
215659d1 IA |
610 | /* Keep a copy of these settings */ |
611 | memcpy(&oi->fbvar_cur, var, sizeof(oi->fbvar_cur)); | |
612 | ||
641ed49d | 613 | IVTVFB_DEBUG_INFO("Display size: %dx%d (virtual %dx%d) @ %dbpp\n", |
be383bd3 HV |
614 | var->xres, var->yres, |
615 | var->xres_virtual, var->yres_virtual, | |
616 | var->bits_per_pixel); | |
32db7754 | 617 | |
641ed49d | 618 | IVTVFB_DEBUG_INFO("Display position: %d, %d\n", |
be383bd3 | 619 | var->left_margin, var->upper_margin); |
32db7754 | 620 | |
641ed49d | 621 | IVTVFB_DEBUG_INFO("Display filter: %s\n", |
be383bd3 | 622 | (var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED ? "on" : "off"); |
641ed49d | 623 | IVTVFB_DEBUG_INFO("Color space: %s\n", var->nonstd ? "YUV" : "RGB"); |
32db7754 HV |
624 | |
625 | return 0; | |
626 | } | |
627 | ||
628 | static int ivtvfb_get_fix(struct ivtv *itv, struct fb_fix_screeninfo *fix) | |
629 | { | |
be383bd3 HV |
630 | struct osd_info *oi = itv->osd_info; |
631 | ||
641ed49d | 632 | IVTVFB_DEBUG_INFO("ivtvfb_get_fix\n"); |
32db7754 | 633 | memset(fix, 0, sizeof(struct fb_fix_screeninfo)); |
cebfadff | 634 | strlcpy(fix->id, "cx23415 TV out", sizeof(fix->id)); |
be383bd3 HV |
635 | fix->smem_start = oi->video_pbase; |
636 | fix->smem_len = oi->video_buffer_size; | |
32db7754 | 637 | fix->type = FB_TYPE_PACKED_PIXELS; |
be383bd3 | 638 | fix->visual = (oi->bits_per_pixel == 8) ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR; |
32db7754 HV |
639 | fix->xpanstep = 1; |
640 | fix->ypanstep = 1; | |
641 | fix->ywrapstep = 0; | |
be383bd3 | 642 | fix->line_length = oi->display_byte_stride; |
32db7754 HV |
643 | fix->accel = FB_ACCEL_NONE; |
644 | return 0; | |
645 | } | |
646 | ||
647 | /* Check the requested display mode, returning -EINVAL if we can't | |
648 | handle it. */ | |
649 | ||
650 | static int _ivtvfb_check_var(struct fb_var_screeninfo *var, struct ivtv *itv) | |
651 | { | |
be383bd3 | 652 | struct osd_info *oi = itv->osd_info; |
68a341a5 IA |
653 | int osd_height_limit; |
654 | u32 pixclock, hlimit, vlimit; | |
32db7754 | 655 | |
641ed49d | 656 | IVTVFB_DEBUG_INFO("ivtvfb_check_var\n"); |
32db7754 | 657 | |
68a341a5 | 658 | /* Set base references for mode calcs. */ |
c5874c92 | 659 | if (itv->is_out_50hz) { |
68a341a5 IA |
660 | pixclock = 84316; |
661 | hlimit = 776; | |
662 | vlimit = 591; | |
663 | osd_height_limit = 576; | |
664 | } | |
665 | else { | |
666 | pixclock = 83926; | |
667 | hlimit = 776; | |
668 | vlimit = 495; | |
669 | osd_height_limit = 480; | |
670 | } | |
671 | ||
32db7754 HV |
672 | if (var->bits_per_pixel == 8 || var->bits_per_pixel == 32) { |
673 | var->transp.offset = 24; | |
674 | var->transp.length = 8; | |
675 | var->red.offset = 16; | |
676 | var->red.length = 8; | |
677 | var->green.offset = 8; | |
678 | var->green.length = 8; | |
679 | var->blue.offset = 0; | |
680 | var->blue.length = 8; | |
681 | } | |
682 | else if (var->bits_per_pixel == 16) { | |
683 | /* To find out the true mode, check green length */ | |
684 | switch (var->green.length) { | |
685 | case 4: | |
32db7754 HV |
686 | var->red.offset = 8; |
687 | var->red.length = 4; | |
688 | var->green.offset = 4; | |
689 | var->green.length = 4; | |
690 | var->blue.offset = 0; | |
691 | var->blue.length = 4; | |
459a52fa HV |
692 | var->transp.offset = 12; |
693 | var->transp.length = 1; | |
32db7754 HV |
694 | break; |
695 | case 5: | |
32db7754 HV |
696 | var->red.offset = 10; |
697 | var->red.length = 5; | |
698 | var->green.offset = 5; | |
699 | var->green.length = 5; | |
700 | var->blue.offset = 0; | |
701 | var->blue.length = 5; | |
459a52fa HV |
702 | var->transp.offset = 15; |
703 | var->transp.length = 1; | |
32db7754 HV |
704 | break; |
705 | default: | |
32db7754 HV |
706 | var->red.offset = 11; |
707 | var->red.length = 5; | |
708 | var->green.offset = 5; | |
709 | var->green.length = 6; | |
710 | var->blue.offset = 0; | |
711 | var->blue.length = 5; | |
459a52fa HV |
712 | var->transp.offset = 0; |
713 | var->transp.length = 0; | |
32db7754 HV |
714 | break; |
715 | } | |
716 | } | |
717 | else { | |
641ed49d | 718 | IVTVFB_DEBUG_WARN("Invalid colour mode: %d\n", var->bits_per_pixel); |
32db7754 HV |
719 | return -EINVAL; |
720 | } | |
721 | ||
722 | /* Check the resolution */ | |
6b1ec9da IA |
723 | if (var->xres > IVTV_OSD_MAX_WIDTH || var->yres > osd_height_limit) { |
724 | IVTVFB_DEBUG_WARN("Invalid resolution: %dx%d\n", | |
725 | var->xres, var->yres); | |
726 | return -EINVAL; | |
32db7754 | 727 | } |
32db7754 | 728 | |
6b1ec9da IA |
729 | /* Max horizontal size is 1023 @ 32bpp, 2046 & 16bpp, 4092 @ 8bpp */ |
730 | if (var->xres_virtual > 4095 / (var->bits_per_pixel / 8) || | |
731 | var->xres_virtual * var->yres_virtual * (var->bits_per_pixel / 8) > oi->video_buffer_size || | |
732 | var->xres_virtual < var->xres || | |
733 | var->yres_virtual < var->yres) { | |
734 | IVTVFB_DEBUG_WARN("Invalid virtual resolution: %dx%d\n", | |
735 | var->xres_virtual, var->yres_virtual); | |
736 | return -EINVAL; | |
32db7754 HV |
737 | } |
738 | ||
739 | /* Some extra checks if in 8 bit mode */ | |
740 | if (var->bits_per_pixel == 8) { | |
741 | /* Width must be a multiple of 4 */ | |
742 | if (var->xres & 3) { | |
641ed49d | 743 | IVTVFB_DEBUG_WARN("Invalid resolution for 8bpp: %d\n", var->xres); |
32db7754 HV |
744 | return -EINVAL; |
745 | } | |
746 | if (var->xres_virtual & 3) { | |
641ed49d | 747 | IVTVFB_DEBUG_WARN("Invalid virtual resolution for 8bpp: %d)\n", var->xres_virtual); |
32db7754 HV |
748 | return -EINVAL; |
749 | } | |
750 | } | |
751 | else if (var->bits_per_pixel == 16) { | |
752 | /* Width must be a multiple of 2 */ | |
753 | if (var->xres & 1) { | |
641ed49d | 754 | IVTVFB_DEBUG_WARN("Invalid resolution for 16bpp: %d\n", var->xres); |
32db7754 HV |
755 | return -EINVAL; |
756 | } | |
757 | if (var->xres_virtual & 1) { | |
641ed49d | 758 | IVTVFB_DEBUG_WARN("Invalid virtual resolution for 16bpp: %d)\n", var->xres_virtual); |
32db7754 HV |
759 | return -EINVAL; |
760 | } | |
761 | } | |
762 | ||
763 | /* Now check the offsets */ | |
764 | if (var->xoffset >= var->xres_virtual || var->yoffset >= var->yres_virtual) { | |
641ed49d | 765 | IVTVFB_DEBUG_WARN("Invalid offset: %d (%d) %d (%d)\n", |
be383bd3 | 766 | var->xoffset, var->xres_virtual, var->yoffset, var->yres_virtual); |
32db7754 HV |
767 | return -EINVAL; |
768 | } | |
769 | ||
770 | /* Check pixel format */ | |
771 | if (var->nonstd > 1) { | |
641ed49d | 772 | IVTVFB_DEBUG_WARN("Invalid nonstd % d\n", var->nonstd); |
32db7754 HV |
773 | return -EINVAL; |
774 | } | |
775 | ||
776 | /* Check video mode */ | |
777 | if (((var->vmode & FB_VMODE_MASK) != FB_VMODE_NONINTERLACED) && | |
778 | ((var->vmode & FB_VMODE_MASK) != FB_VMODE_INTERLACED)) { | |
641ed49d | 779 | IVTVFB_DEBUG_WARN("Invalid video mode: %d\n", var->vmode & FB_VMODE_MASK); |
32db7754 HV |
780 | return -EINVAL; |
781 | } | |
782 | ||
783 | /* Check the left & upper margins | |
784 | If the margins are too large, just center the screen | |
785 | (enforcing margins causes too many problems) */ | |
786 | ||
c5874c92 | 787 | if (var->left_margin + var->xres > IVTV_OSD_MAX_WIDTH + 1) |
32db7754 | 788 | var->left_margin = 1 + ((IVTV_OSD_MAX_WIDTH - var->xres) / 2); |
c5874c92 IA |
789 | |
790 | if (var->upper_margin + var->yres > (itv->is_out_50hz ? 577 : 481)) | |
791 | var->upper_margin = 1 + (((itv->is_out_50hz ? 576 : 480) - | |
792 | var->yres) / 2); | |
32db7754 HV |
793 | |
794 | /* Maintain overall 'size' for a constant refresh rate */ | |
68a341a5 IA |
795 | var->right_margin = hlimit - var->left_margin - var->xres; |
796 | var->lower_margin = vlimit - var->upper_margin - var->yres; | |
32db7754 HV |
797 | |
798 | /* Fixed sync times */ | |
799 | var->hsync_len = 24; | |
800 | var->vsync_len = 2; | |
801 | ||
802 | /* Non-interlaced / interlaced mode is used to switch the OSD filter | |
803 | on or off. Adjust the clock timings to maintain a constant | |
804 | vertical refresh rate. */ | |
32db7754 | 805 | if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED) |
68a341a5 IA |
806 | var->pixclock = pixclock / 2; |
807 | else | |
808 | var->pixclock = pixclock; | |
32db7754 | 809 | |
37f89f95 HV |
810 | itv->osd_rect.width = var->xres; |
811 | itv->osd_rect.height = var->yres; | |
812 | ||
641ed49d | 813 | IVTVFB_DEBUG_INFO("Display size: %dx%d (virtual %dx%d) @ %dbpp\n", |
be383bd3 HV |
814 | var->xres, var->yres, |
815 | var->xres_virtual, var->yres_virtual, | |
32db7754 HV |
816 | var->bits_per_pixel); |
817 | ||
641ed49d | 818 | IVTVFB_DEBUG_INFO("Display position: %d, %d\n", |
be383bd3 | 819 | var->left_margin, var->upper_margin); |
32db7754 | 820 | |
641ed49d | 821 | IVTVFB_DEBUG_INFO("Display filter: %s\n", |
be383bd3 | 822 | (var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED ? "on" : "off"); |
641ed49d | 823 | IVTVFB_DEBUG_INFO("Color space: %s\n", var->nonstd ? "YUV" : "RGB"); |
32db7754 HV |
824 | return 0; |
825 | } | |
826 | ||
827 | static int ivtvfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) | |
828 | { | |
829 | struct ivtv *itv = (struct ivtv *) info->par; | |
641ed49d | 830 | IVTVFB_DEBUG_INFO("ivtvfb_check_var\n"); |
be383bd3 | 831 | return _ivtvfb_check_var(var, itv); |
32db7754 HV |
832 | } |
833 | ||
834 | static int ivtvfb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info) | |
835 | { | |
836 | u32 osd_pan_index; | |
837 | struct ivtv *itv = (struct ivtv *) info->par; | |
838 | ||
6600cc30 IA |
839 | if (var->yoffset + info->var.yres > info->var.yres_virtual || |
840 | var->xoffset + info->var.xres > info->var.xres_virtual) | |
841 | return -EINVAL; | |
842 | ||
5d9c08de LP |
843 | osd_pan_index = var->yoffset * info->fix.line_length |
844 | + var->xoffset * info->var.bits_per_pixel / 8; | |
be383bd3 | 845 | write_reg(osd_pan_index, 0x02A0C); |
32db7754 HV |
846 | |
847 | /* Pass this info back the yuv handler */ | |
848 | itv->yuv_info.osd_x_pan = var->xoffset; | |
849 | itv->yuv_info.osd_y_pan = var->yoffset; | |
850 | /* Force update of yuv registers */ | |
851 | itv->yuv_info.yuv_forced_update = 1; | |
215659d1 IA |
852 | /* Remember this value */ |
853 | itv->osd_info->pan_cur = osd_pan_index; | |
32db7754 HV |
854 | return 0; |
855 | } | |
856 | ||
857 | static int ivtvfb_set_par(struct fb_info *info) | |
858 | { | |
859 | int rc = 0; | |
860 | struct ivtv *itv = (struct ivtv *) info->par; | |
861 | ||
641ed49d | 862 | IVTVFB_DEBUG_INFO("ivtvfb_set_par\n"); |
32db7754 HV |
863 | |
864 | rc = ivtvfb_set_var(itv, &info->var); | |
865 | ivtvfb_pan_display(&info->var, info); | |
be383bd3 | 866 | ivtvfb_get_fix(itv, &info->fix); |
215659d1 | 867 | ivtv_firmware_check(itv, "ivtvfb_set_par"); |
32db7754 HV |
868 | return rc; |
869 | } | |
870 | ||
871 | static int ivtvfb_setcolreg(unsigned regno, unsigned red, unsigned green, | |
872 | unsigned blue, unsigned transp, | |
873 | struct fb_info *info) | |
874 | { | |
875 | u32 color, *palette; | |
be383bd3 | 876 | struct ivtv *itv = (struct ivtv *)info->par; |
32db7754 HV |
877 | |
878 | if (regno >= info->cmap.len) | |
879 | return -EINVAL; | |
880 | ||
881 | color = ((transp & 0xFF00) << 16) |((red & 0xFF00) << 8) | (green & 0xFF00) | ((blue & 0xFF00) >> 8); | |
882 | if (info->var.bits_per_pixel <= 8) { | |
883 | write_reg(regno, 0x02a30); | |
884 | write_reg(color, 0x02a34); | |
215659d1 | 885 | itv->osd_info->palette_cur[regno] = color; |
be383bd3 | 886 | return 0; |
32db7754 | 887 | } |
be383bd3 HV |
888 | if (regno >= 16) |
889 | return -EINVAL; | |
32db7754 | 890 | |
be383bd3 HV |
891 | palette = info->pseudo_palette; |
892 | if (info->var.bits_per_pixel == 16) { | |
893 | switch (info->var.green.length) { | |
894 | case 4: | |
895 | color = ((red & 0xf000) >> 4) | | |
896 | ((green & 0xf000) >> 8) | | |
897 | ((blue & 0xf000) >> 12); | |
898 | break; | |
899 | case 5: | |
900 | color = ((red & 0xf800) >> 1) | | |
901 | ((green & 0xf800) >> 6) | | |
902 | ((blue & 0xf800) >> 11); | |
903 | break; | |
904 | case 6: | |
905 | color = (red & 0xf800 ) | | |
906 | ((green & 0xfc00) >> 5) | | |
907 | ((blue & 0xf800) >> 11); | |
908 | break; | |
32db7754 | 909 | } |
32db7754 | 910 | } |
be383bd3 | 911 | palette[regno] = color; |
32db7754 HV |
912 | return 0; |
913 | } | |
914 | ||
915 | /* We don't really support blanking. All this does is enable or | |
916 | disable the OSD. */ | |
917 | static int ivtvfb_blank(int blank_mode, struct fb_info *info) | |
918 | { | |
919 | struct ivtv *itv = (struct ivtv *)info->par; | |
920 | ||
641ed49d | 921 | IVTVFB_DEBUG_INFO("Set blanking mode : %d\n", blank_mode); |
32db7754 HV |
922 | switch (blank_mode) { |
923 | case FB_BLANK_UNBLANK: | |
924 | ivtv_vapi(itv, CX2341X_OSD_SET_STATE, 1, 1); | |
67ec09fd | 925 | ivtv_call_hw(itv, IVTV_HW_SAA7127, video, s_stream, 1); |
32db7754 HV |
926 | break; |
927 | case FB_BLANK_NORMAL: | |
928 | case FB_BLANK_HSYNC_SUSPEND: | |
929 | case FB_BLANK_VSYNC_SUSPEND: | |
4e7ca40d | 930 | ivtv_vapi(itv, CX2341X_OSD_SET_STATE, 1, 0); |
67ec09fd | 931 | ivtv_call_hw(itv, IVTV_HW_SAA7127, video, s_stream, 1); |
4e7ca40d | 932 | break; |
32db7754 | 933 | case FB_BLANK_POWERDOWN: |
67ec09fd | 934 | ivtv_call_hw(itv, IVTV_HW_SAA7127, video, s_stream, 0); |
32db7754 HV |
935 | ivtv_vapi(itv, CX2341X_OSD_SET_STATE, 1, 0); |
936 | break; | |
937 | } | |
215659d1 | 938 | itv->osd_info->blank_cur = blank_mode; |
32db7754 HV |
939 | return 0; |
940 | } | |
941 | ||
942 | static struct fb_ops ivtvfb_ops = { | |
943 | .owner = THIS_MODULE, | |
4cbeb371 | 944 | .fb_write = ivtvfb_write, |
32db7754 HV |
945 | .fb_check_var = ivtvfb_check_var, |
946 | .fb_set_par = ivtvfb_set_par, | |
947 | .fb_setcolreg = ivtvfb_setcolreg, | |
948 | .fb_fillrect = cfb_fillrect, | |
949 | .fb_copyarea = cfb_copyarea, | |
950 | .fb_imageblit = cfb_imageblit, | |
951 | .fb_cursor = NULL, | |
952 | .fb_ioctl = ivtvfb_ioctl, | |
953 | .fb_pan_display = ivtvfb_pan_display, | |
954 | .fb_blank = ivtvfb_blank, | |
955 | }; | |
956 | ||
215659d1 IA |
957 | /* Restore hardware after firmware restart */ |
958 | static void ivtvfb_restore(struct ivtv *itv) | |
959 | { | |
960 | struct osd_info *oi = itv->osd_info; | |
961 | int i; | |
962 | ||
963 | ivtvfb_set_var(itv, &oi->fbvar_cur); | |
964 | ivtvfb_blank(oi->blank_cur, &oi->ivtvfb_info); | |
965 | for (i = 0; i < 256; i++) { | |
966 | write_reg(i, 0x02a30); | |
967 | write_reg(oi->palette_cur[i], 0x02a34); | |
968 | } | |
969 | write_reg(oi->pan_cur, 0x02a0c); | |
970 | } | |
971 | ||
32db7754 HV |
972 | /* Initialization */ |
973 | ||
974 | ||
975 | /* Setup our initial video mode */ | |
976 | static int ivtvfb_init_vidmode(struct ivtv *itv) | |
977 | { | |
be383bd3 | 978 | struct osd_info *oi = itv->osd_info; |
32db7754 | 979 | struct v4l2_rect start_window; |
be383bd3 | 980 | int max_height; |
32db7754 | 981 | |
32db7754 HV |
982 | /* Color mode */ |
983 | ||
6b1ec9da IA |
984 | if (osd_depth != 8 && osd_depth != 16 && osd_depth != 32) |
985 | osd_depth = 8; | |
be383bd3 HV |
986 | oi->bits_per_pixel = osd_depth; |
987 | oi->bytes_per_pixel = oi->bits_per_pixel / 8; | |
32db7754 HV |
988 | |
989 | /* Horizontal size & position */ | |
990 | ||
6b1ec9da IA |
991 | if (osd_xres > 720) |
992 | osd_xres = 720; | |
32db7754 HV |
993 | |
994 | /* Must be a multiple of 4 for 8bpp & 2 for 16bpp */ | |
995 | if (osd_depth == 8) | |
996 | osd_xres &= ~3; | |
997 | else if (osd_depth == 16) | |
998 | osd_xres &= ~1; | |
999 | ||
6b1ec9da | 1000 | start_window.width = osd_xres ? osd_xres : 640; |
32db7754 HV |
1001 | |
1002 | /* Check horizontal start (osd_left). */ | |
1003 | if (osd_left && osd_left + start_window.width > 721) { | |
641ed49d | 1004 | IVTVFB_ERR("Invalid osd_left - assuming default\n"); |
32db7754 HV |
1005 | osd_left = 0; |
1006 | } | |
1007 | ||
1008 | /* Hardware coords start at 0, user coords start at 1. */ | |
be383bd3 | 1009 | osd_left--; |
32db7754 | 1010 | |
c5874c92 IA |
1011 | start_window.left = osd_left >= 0 ? |
1012 | osd_left : ((IVTV_OSD_MAX_WIDTH - start_window.width) / 2); | |
32db7754 | 1013 | |
be383bd3 HV |
1014 | oi->display_byte_stride = |
1015 | start_window.width * oi->bytes_per_pixel; | |
32db7754 HV |
1016 | |
1017 | /* Vertical size & position */ | |
1018 | ||
c5874c92 | 1019 | max_height = itv->is_out_50hz ? 576 : 480; |
32db7754 | 1020 | |
be383bd3 HV |
1021 | if (osd_yres > max_height) |
1022 | osd_yres = max_height; | |
32db7754 | 1023 | |
c5874c92 IA |
1024 | start_window.height = osd_yres ? |
1025 | osd_yres : itv->is_out_50hz ? 480 : 400; | |
32db7754 HV |
1026 | |
1027 | /* Check vertical start (osd_upper). */ | |
1028 | if (osd_upper + start_window.height > max_height + 1) { | |
641ed49d | 1029 | IVTVFB_ERR("Invalid osd_upper - assuming default\n"); |
32db7754 HV |
1030 | osd_upper = 0; |
1031 | } | |
1032 | ||
1033 | /* Hardware coords start at 0, user coords start at 1. */ | |
be383bd3 | 1034 | osd_upper--; |
32db7754 HV |
1035 | |
1036 | start_window.top = osd_upper >= 0 ? osd_upper : ((max_height - start_window.height) / 2); | |
1037 | ||
be383bd3 HV |
1038 | oi->display_width = start_window.width; |
1039 | oi->display_height = start_window.height; | |
32db7754 HV |
1040 | |
1041 | /* Generate a valid fb_var_screeninfo */ | |
1042 | ||
be383bd3 HV |
1043 | oi->ivtvfb_defined.xres = oi->display_width; |
1044 | oi->ivtvfb_defined.yres = oi->display_height; | |
1045 | oi->ivtvfb_defined.xres_virtual = oi->display_width; | |
1046 | oi->ivtvfb_defined.yres_virtual = oi->display_height; | |
1047 | oi->ivtvfb_defined.bits_per_pixel = oi->bits_per_pixel; | |
1048 | oi->ivtvfb_defined.vmode = (osd_laced ? FB_VMODE_INTERLACED : FB_VMODE_NONINTERLACED); | |
1049 | oi->ivtvfb_defined.left_margin = start_window.left + 1; | |
1050 | oi->ivtvfb_defined.upper_margin = start_window.top + 1; | |
1051 | oi->ivtvfb_defined.accel_flags = FB_ACCEL_NONE; | |
1052 | oi->ivtvfb_defined.nonstd = 0; | |
32db7754 HV |
1053 | |
1054 | /* We've filled in the most data, let the usual mode check | |
1055 | routine fill in the rest. */ | |
be383bd3 | 1056 | _ivtvfb_check_var(&oi->ivtvfb_defined, itv); |
32db7754 HV |
1057 | |
1058 | /* Generate valid fb_fix_screeninfo */ | |
1059 | ||
be383bd3 | 1060 | ivtvfb_get_fix(itv, &oi->ivtvfb_fix); |
32db7754 HV |
1061 | |
1062 | /* Generate valid fb_info */ | |
1063 | ||
be383bd3 HV |
1064 | oi->ivtvfb_info.node = -1; |
1065 | oi->ivtvfb_info.flags = FBINFO_FLAG_DEFAULT; | |
1066 | oi->ivtvfb_info.fbops = &ivtvfb_ops; | |
1067 | oi->ivtvfb_info.par = itv; | |
1068 | oi->ivtvfb_info.var = oi->ivtvfb_defined; | |
1069 | oi->ivtvfb_info.fix = oi->ivtvfb_fix; | |
1070 | oi->ivtvfb_info.screen_base = (u8 __iomem *)oi->video_vbase; | |
1071 | oi->ivtvfb_info.fbops = &ivtvfb_ops; | |
32db7754 HV |
1072 | |
1073 | /* Supply some monitor specs. Bogus values will do for now */ | |
be383bd3 HV |
1074 | oi->ivtvfb_info.monspecs.hfmin = 8000; |
1075 | oi->ivtvfb_info.monspecs.hfmax = 70000; | |
1076 | oi->ivtvfb_info.monspecs.vfmin = 10; | |
1077 | oi->ivtvfb_info.monspecs.vfmax = 100; | |
32db7754 HV |
1078 | |
1079 | /* Allocate color map */ | |
be383bd3 | 1080 | if (fb_alloc_cmap(&oi->ivtvfb_info.cmap, 256, 1)) { |
641ed49d | 1081 | IVTVFB_ERR("abort, unable to alloc cmap\n"); |
32db7754 HV |
1082 | return -ENOMEM; |
1083 | } | |
1084 | ||
1085 | /* Allocate the pseudo palette */ | |
3f98387e HV |
1086 | oi->ivtvfb_info.pseudo_palette = |
1087 | kmalloc(sizeof(u32) * 16, GFP_KERNEL|__GFP_NOWARN); | |
32db7754 | 1088 | |
be383bd3 | 1089 | if (!oi->ivtvfb_info.pseudo_palette) { |
25985edc | 1090 | IVTVFB_ERR("abort, unable to alloc pseudo palette\n"); |
32db7754 HV |
1091 | return -ENOMEM; |
1092 | } | |
1093 | ||
1094 | return 0; | |
1095 | } | |
1096 | ||
1097 | /* Find OSD buffer base & size. Add to mtrr. Zero osd buffer. */ | |
1098 | ||
1099 | static int ivtvfb_init_io(struct ivtv *itv) | |
1100 | { | |
be383bd3 HV |
1101 | struct osd_info *oi = itv->osd_info; |
1102 | ||
26e9d599 | 1103 | mutex_lock(&itv->serialize_lock); |
6e5eb591 | 1104 | if (ivtv_init_on_first_open(itv)) { |
26e9d599 | 1105 | mutex_unlock(&itv->serialize_lock); |
641ed49d | 1106 | IVTVFB_ERR("Failed to initialize ivtv\n"); |
6e5eb591 HV |
1107 | return -ENXIO; |
1108 | } | |
26e9d599 | 1109 | mutex_unlock(&itv->serialize_lock); |
6e5eb591 | 1110 | |
5f39b9f6 IA |
1111 | if (ivtvfb_get_framebuffer(itv, &oi->video_rbase, |
1112 | &oi->video_buffer_size) < 0) { | |
1113 | IVTVFB_ERR("Firmware failed to respond\n"); | |
1114 | return -EIO; | |
1115 | } | |
32db7754 HV |
1116 | |
1117 | /* The osd buffer size depends on the number of video buffers allocated | |
1118 | on the PVR350 itself. For now we'll hardcode the smallest osd buffer | |
1119 | size to prevent any overlap. */ | |
be383bd3 | 1120 | oi->video_buffer_size = 1704960; |
32db7754 | 1121 | |
be383bd3 HV |
1122 | oi->video_pbase = itv->base_addr + IVTV_DECODER_OFFSET + oi->video_rbase; |
1123 | oi->video_vbase = itv->dec_mem + oi->video_rbase; | |
32db7754 | 1124 | |
be383bd3 | 1125 | if (!oi->video_vbase) { |
641ed49d | 1126 | IVTVFB_ERR("abort, video memory 0x%x @ 0x%lx isn't mapped!\n", |
be383bd3 | 1127 | oi->video_buffer_size, oi->video_pbase); |
32db7754 HV |
1128 | return -EIO; |
1129 | } | |
1130 | ||
641ed49d | 1131 | IVTVFB_INFO("Framebuffer at 0x%lx, mapped to 0x%p, size %dk\n", |
be383bd3 HV |
1132 | oi->video_pbase, oi->video_vbase, |
1133 | oi->video_buffer_size / 1024); | |
32db7754 HV |
1134 | |
1135 | #ifdef CONFIG_MTRR | |
1136 | { | |
1137 | /* Find the largest power of two that maps the whole buffer */ | |
1138 | int size_shift = 31; | |
1139 | ||
be383bd3 | 1140 | while (!(oi->video_buffer_size & (1 << size_shift))) { |
32db7754 HV |
1141 | size_shift--; |
1142 | } | |
1143 | size_shift++; | |
be383bd3 HV |
1144 | oi->fb_start_aligned_physaddr = oi->video_pbase & ~((1 << size_shift) - 1); |
1145 | oi->fb_end_aligned_physaddr = oi->video_pbase + oi->video_buffer_size; | |
1146 | oi->fb_end_aligned_physaddr += (1 << size_shift) - 1; | |
1147 | oi->fb_end_aligned_physaddr &= ~((1 << size_shift) - 1); | |
1148 | if (mtrr_add(oi->fb_start_aligned_physaddr, | |
1149 | oi->fb_end_aligned_physaddr - oi->fb_start_aligned_physaddr, | |
32db7754 | 1150 | MTRR_TYPE_WRCOMB, 1) < 0) { |
641ed49d | 1151 | IVTVFB_INFO("disabled mttr\n"); |
be383bd3 HV |
1152 | oi->fb_start_aligned_physaddr = 0; |
1153 | oi->fb_end_aligned_physaddr = 0; | |
32db7754 HV |
1154 | } |
1155 | } | |
be383bd3 | 1156 | #endif |
32db7754 HV |
1157 | |
1158 | /* Blank the entire osd. */ | |
be383bd3 | 1159 | memset_io(oi->video_vbase, 0, oi->video_buffer_size); |
32db7754 HV |
1160 | |
1161 | return 0; | |
1162 | } | |
1163 | ||
1164 | /* Release any memory we've grabbed & remove mtrr entry */ | |
1165 | static void ivtvfb_release_buffers (struct ivtv *itv) | |
1166 | { | |
be383bd3 HV |
1167 | struct osd_info *oi = itv->osd_info; |
1168 | ||
32db7754 | 1169 | /* Release cmap */ |
13628032 AB |
1170 | if (oi->ivtvfb_info.cmap.len) |
1171 | fb_dealloc_cmap(&oi->ivtvfb_info.cmap); | |
32db7754 HV |
1172 | |
1173 | /* Release pseudo palette */ | |
be383bd3 HV |
1174 | if (oi->ivtvfb_info.pseudo_palette) |
1175 | kfree(oi->ivtvfb_info.pseudo_palette); | |
32db7754 HV |
1176 | |
1177 | #ifdef CONFIG_MTRR | |
be383bd3 HV |
1178 | if (oi->fb_end_aligned_physaddr) { |
1179 | mtrr_del(-1, oi->fb_start_aligned_physaddr, | |
1180 | oi->fb_end_aligned_physaddr - oi->fb_start_aligned_physaddr); | |
1181 | } | |
1182 | #endif | |
32db7754 | 1183 | |
be383bd3 | 1184 | kfree(oi); |
32db7754 HV |
1185 | itv->osd_info = NULL; |
1186 | } | |
1187 | ||
1188 | /* Initialize the specified card */ | |
1189 | ||
be383bd3 | 1190 | static int ivtvfb_init_card(struct ivtv *itv) |
32db7754 HV |
1191 | { |
1192 | int rc; | |
1193 | ||
1194 | if (itv->osd_info) { | |
641ed49d | 1195 | IVTVFB_ERR("Card %d already initialised\n", ivtvfb_card_id); |
32db7754 HV |
1196 | return -EBUSY; |
1197 | } | |
1198 | ||
3f98387e HV |
1199 | itv->osd_info = kzalloc(sizeof(struct osd_info), |
1200 | GFP_ATOMIC|__GFP_NOWARN); | |
14d5deba | 1201 | if (itv->osd_info == NULL) { |
641ed49d | 1202 | IVTVFB_ERR("Failed to allocate memory for osd_info\n"); |
32db7754 HV |
1203 | return -ENOMEM; |
1204 | } | |
1205 | ||
1206 | /* Find & setup the OSD buffer */ | |
5f39b9f6 IA |
1207 | rc = ivtvfb_init_io(itv); |
1208 | if (rc) { | |
1209 | ivtvfb_release_buffers(itv); | |
32db7754 | 1210 | return rc; |
5f39b9f6 | 1211 | } |
32db7754 HV |
1212 | |
1213 | /* Set the startup video mode information */ | |
be383bd3 | 1214 | if ((rc = ivtvfb_init_vidmode(itv))) { |
32db7754 HV |
1215 | ivtvfb_release_buffers(itv); |
1216 | return rc; | |
1217 | } | |
1218 | ||
1219 | /* Register the framebuffer */ | |
1220 | if (register_framebuffer(&itv->osd_info->ivtvfb_info) < 0) { | |
1221 | ivtvfb_release_buffers(itv); | |
1222 | return -EINVAL; | |
1223 | } | |
1224 | ||
1225 | itv->osd_video_pbase = itv->osd_info->video_pbase; | |
1226 | ||
1227 | /* Set the card to the requested mode */ | |
1228 | ivtvfb_set_par(&itv->osd_info->ivtvfb_info); | |
1229 | ||
1230 | /* Set color 0 to black */ | |
1231 | write_reg(0, 0x02a30); | |
1232 | write_reg(0, 0x02a34); | |
1233 | ||
1234 | /* Enable the osd */ | |
1235 | ivtvfb_blank(FB_BLANK_UNBLANK, &itv->osd_info->ivtvfb_info); | |
1236 | ||
215659d1 IA |
1237 | /* Enable restart */ |
1238 | itv->ivtvfb_restore = ivtvfb_restore; | |
1239 | ||
32db7754 HV |
1240 | /* Allocate DMA */ |
1241 | ivtv_udma_alloc(itv); | |
1242 | return 0; | |
1243 | ||
1244 | } | |
1245 | ||
67ec09fd HV |
1246 | static int __init ivtvfb_callback_init(struct device *dev, void *p) |
1247 | { | |
1248 | struct v4l2_device *v4l2_dev = dev_get_drvdata(dev); | |
8ac05ae3 | 1249 | struct ivtv *itv = container_of(v4l2_dev, struct ivtv, v4l2_dev); |
67ec09fd | 1250 | |
37b58bfe | 1251 | if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) { |
67ec09fd HV |
1252 | if (ivtvfb_init_card(itv) == 0) { |
1253 | IVTVFB_INFO("Framebuffer registered on %s\n", | |
8ac05ae3 | 1254 | itv->v4l2_dev.name); |
67ec09fd HV |
1255 | (*(int *)p)++; |
1256 | } | |
1257 | } | |
1258 | return 0; | |
1259 | } | |
1260 | ||
1261 | static int ivtvfb_callback_cleanup(struct device *dev, void *p) | |
1262 | { | |
1263 | struct v4l2_device *v4l2_dev = dev_get_drvdata(dev); | |
8ac05ae3 | 1264 | struct ivtv *itv = container_of(v4l2_dev, struct ivtv, v4l2_dev); |
5f39b9f6 | 1265 | struct osd_info *oi = itv->osd_info; |
67ec09fd | 1266 | |
37b58bfe | 1267 | if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) { |
67ec09fd HV |
1268 | if (unregister_framebuffer(&itv->osd_info->ivtvfb_info)) { |
1269 | IVTVFB_WARN("Framebuffer %d is in use, cannot unload\n", | |
1270 | itv->instance); | |
1271 | return 0; | |
1272 | } | |
1273 | IVTVFB_INFO("Unregister framebuffer %d\n", itv->instance); | |
215659d1 | 1274 | itv->ivtvfb_restore = NULL; |
5f39b9f6 | 1275 | ivtvfb_blank(FB_BLANK_VSYNC_SUSPEND, &oi->ivtvfb_info); |
67ec09fd HV |
1276 | ivtvfb_release_buffers(itv); |
1277 | itv->osd_video_pbase = 0; | |
1278 | } | |
1279 | return 0; | |
1280 | } | |
1281 | ||
32db7754 HV |
1282 | static int __init ivtvfb_init(void) |
1283 | { | |
67ec09fd HV |
1284 | struct device_driver *drv; |
1285 | int registered = 0; | |
1286 | int err; | |
32db7754 | 1287 | |
641ed49d HV |
1288 | if (ivtvfb_card_id < -1 || ivtvfb_card_id >= IVTV_MAX_CARDS) { |
1289 | printk(KERN_ERR "ivtvfb: ivtvfb_card_id parameter is out of range (valid range: -1 - %d)\n", | |
32db7754 HV |
1290 | IVTV_MAX_CARDS - 1); |
1291 | return -EINVAL; | |
1292 | } | |
1293 | ||
67ec09fd HV |
1294 | drv = driver_find("ivtv", &pci_bus_type); |
1295 | err = driver_for_each_device(drv, NULL, ®istered, ivtvfb_callback_init); | |
1296 | put_driver(drv); | |
32db7754 | 1297 | if (!registered) { |
67ec09fd | 1298 | printk(KERN_ERR "ivtvfb: no cards found\n"); |
32db7754 HV |
1299 | return -ENODEV; |
1300 | } | |
1301 | return 0; | |
1302 | } | |
1303 | ||
1304 | static void ivtvfb_cleanup(void) | |
1305 | { | |
67ec09fd HV |
1306 | struct device_driver *drv; |
1307 | int err; | |
32db7754 | 1308 | |
7b3a0d49 | 1309 | printk(KERN_INFO "ivtvfb: Unloading framebuffer module\n"); |
32db7754 | 1310 | |
67ec09fd HV |
1311 | drv = driver_find("ivtv", &pci_bus_type); |
1312 | err = driver_for_each_device(drv, NULL, NULL, ivtvfb_callback_cleanup); | |
1313 | put_driver(drv); | |
32db7754 HV |
1314 | } |
1315 | ||
1316 | module_init(ivtvfb_init); | |
1317 | module_exit(ivtvfb_cleanup); |