V4L/DVB (5904): ivtv-fb: cleanups
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Hans Verkuil
Mauro Carvalho Chehab
parent
32db775452
commit
be383bd312
@ -3,7 +3,7 @@
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This module presents the cx23415 OSD (onscreen display) framebuffer memory
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as a standard Linux /dev/fb style framebuffer device. The framebuffer has
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support for 8,16 & 32 bpp packed pixel formats with alpha channel. In 16bpp
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support for 8, 16 & 32 bpp packed pixel formats with alpha channel. In 16bpp
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mode, there is a choice of a three color depths (12, 15 or 16 bits), but no
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local alpha. The colorspace is selectable between rgb & yuv.
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Depending on the TV standard configured in the ivtv module at load time,
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@ -111,7 +111,7 @@ MODULE_PARM_DESC(osd_laced,
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"\t\t\tdefault off");
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MODULE_PARM_DESC(osd_depth,
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"Bits per pixel - 8,16,32\n"
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"Bits per pixel - 8, 16, 32\n"
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"\t\t\tdefault 8");
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MODULE_PARM_DESC(osd_upper,
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@ -232,12 +232,13 @@ static int ivtv_fb_get_framebuffer(struct ivtv *itv, u32 *fbbase,
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static int ivtv_fb_get_osd_coords(struct ivtv *itv,
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struct ivtv_osd_coords *osd)
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{
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struct osd_info *oi = itv->osd_info;
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u32 data[CX2341X_MBOX_MAX_DATA];
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ivtv_vapi_result(itv, data, CX2341X_OSD_GET_OSD_COORDS, 0);
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osd->offset = data[0] - itv->osd_info->video_rbase;
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osd->max_offset = itv->osd_info->display_width * itv->osd_info->display_height * 4;
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osd->offset = data[0] - oi->video_rbase;
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osd->max_offset = oi->display_width * oi->display_height * 4;
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osd->pixel_stride = data[1];
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osd->lines = data[2];
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osd->x = data[3];
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@ -247,20 +248,21 @@ static int ivtv_fb_get_osd_coords(struct ivtv *itv,
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static int ivtv_fb_set_osd_coords(struct ivtv *itv, const struct ivtv_osd_coords *osd)
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{
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itv->osd_info->display_width = osd->pixel_stride;
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itv->osd_info->display_byte_stride = osd->pixel_stride * itv->osd_info->bytes_per_pixel;
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itv->osd_info->set_osd_coords_x += osd->x;
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itv->osd_info->set_osd_coords_y = osd->y;
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struct osd_info *oi = itv->osd_info;
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oi->display_width = osd->pixel_stride;
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oi->display_byte_stride = osd->pixel_stride * oi->bytes_per_pixel;
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oi->set_osd_coords_x += osd->x;
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oi->set_osd_coords_y = osd->y;
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return ivtv_vapi(itv, CX2341X_OSD_SET_OSD_COORDS, 5,
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osd->offset + itv->osd_info->video_rbase,
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osd->offset + oi->video_rbase,
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osd->pixel_stride,
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osd->lines, osd->x, osd->y);
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}
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static int ivtv_fb_set_display_window(struct ivtv *itv, struct v4l2_rect *ivtv_window)
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{
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int osd_height_limit = itv->is_50hz ? 576 : 480;
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/* Only fail if resolution too high, otherwise fudge the start coords. */
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@ -269,13 +271,13 @@ static int ivtv_fb_set_display_window(struct ivtv *itv, struct v4l2_rect *ivtv_w
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/* Ensure we don't exceed display limits */
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if (ivtv_window->top + ivtv_window->height > osd_height_limit) {
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IVTV_FB_DEBUG_WARN("ivtv_ioctl_fb_set_display_window - Invalid height setting (%d,%d)\n",
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IVTV_FB_DEBUG_WARN("ivtv_ioctl_fb_set_display_window - Invalid height setting (%d, %d)\n",
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ivtv_window->top, ivtv_window->height);
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ivtv_window->top = osd_height_limit - ivtv_window->height;
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}
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if (ivtv_window->left + ivtv_window->width > IVTV_OSD_MAX_WIDTH) {
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IVTV_FB_DEBUG_WARN("ivtv_ioctl_fb_set_display_window - Invalid width setting (%d,%d)\n",
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IVTV_FB_DEBUG_WARN("ivtv_ioctl_fb_set_display_window - Invalid width setting (%d, %d)\n",
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ivtv_window->left, ivtv_window->width);
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ivtv_window->left = IVTV_OSD_MAX_WIDTH - ivtv_window->width;
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}
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@ -344,7 +346,8 @@ static int ivtv_fb_prep_dec_dma_to_device(struct ivtv *itv,
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return ret;
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}
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static int ivtv_fb_prep_frame(struct ivtv *itv, int cmd, void __user *source, unsigned long dest_offset, int count)
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static int ivtv_fb_prep_frame(struct ivtv *itv, int cmd, void __user *source,
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unsigned long dest_offset, int count)
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{
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DEFINE_WAIT(wait);
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@ -356,31 +359,28 @@ static int ivtv_fb_prep_frame(struct ivtv *itv, int cmd, void __user *source, un
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/* Check Total FB Size */
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if ((dest_offset + count) > itv->osd_info->video_buffer_size) {
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IVTV_FB_WARN(
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"ivtv_fb_prep_frame: Overflowing the framebuffer %ld, "
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"only %d available\n",
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(dest_offset + count), itv->osd_info->video_buffer_size);
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IVTV_FB_WARN("ivtv_fb_prep_frame: Overflowing the framebuffer %ld, only %d available\n",
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dest_offset + count, itv->osd_info->video_buffer_size);
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return -E2BIG;
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}
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/* Not fatal, but will have undesirable results */
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if ((unsigned long)source & 3)
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IVTV_FB_WARN ("ivtv_fb_prep_frame: Source address not 32 bit aligned (0x%08lx)\n",(unsigned long)source);
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IVTV_FB_WARN("ivtv_fb_prep_frame: Source address not 32 bit aligned (0x%08lx)\n",
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(unsigned long)source);
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if (dest_offset & 3)
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IVTV_FB_WARN ("ivtv_fb_prep_frame: Dest offset not 32 bit aligned (%ld)\n",dest_offset);
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IVTV_FB_WARN("ivtv_fb_prep_frame: Dest offset not 32 bit aligned (%ld)\n", dest_offset);
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if (count & 3)
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IVTV_FB_WARN ("ivtv_fb_prep_frame: Count not a multiple of 4 (%d)\n",count);
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IVTV_FB_WARN("ivtv_fb_prep_frame: Count not a multiple of 4 (%d)\n", count);
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/* Check Source */
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if (!access_ok(VERIFY_READ, source + dest_offset, count)) {
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IVTV_FB_WARN(
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"Invalid userspace pointer!!! 0x%08lx\n",
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IVTV_FB_WARN("Invalid userspace pointer 0x%08lx\n",
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(unsigned long)source);
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IVTV_FB_DEBUG_WARN(
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"access_ok() failed for offset 0x%08lx source 0x%08lx count %d\n",
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IVTV_FB_DEBUG_WARN("access_ok() failed for offset 0x%08lx source 0x%08lx count %d\n",
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dest_offset, (unsigned long)source,
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count);
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return -EINVAL;
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@ -397,17 +397,16 @@ static int ivtvfb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long ar
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{
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DEFINE_WAIT(wait);
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struct ivtv *itv = (struct ivtv *)info->par;
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int rc=0;
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int rc = 0;
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switch (cmd) {
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case FBIOGET_VBLANK: {
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struct fb_vblank vblank;
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u32 trace;
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vblank.flags = FB_VBLANK_HAVE_COUNT |FB_VBLANK_HAVE_VCOUNT |
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FB_VBLANK_HAVE_VSYNC;
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trace = read_reg (0x028c0) >> 16;
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trace = read_reg(0x028c0) >> 16;
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if (itv->is_50hz && trace > 312) trace -= 312;
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else if (itv->is_60hz && trace > 262) trace -= 262;
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if (trace == 1) vblank.flags |= FB_VBLANK_VSYNCING;
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@ -419,12 +418,11 @@ static int ivtvfb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long ar
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return 0;
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}
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case FBIO_WAITFORVSYNC: {
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case FBIO_WAITFORVSYNC:
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prepare_to_wait(&itv->vsync_waitq, &wait, TASK_INTERRUPTIBLE);
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if (!schedule_timeout(HZ/20)) rc = -ETIMEDOUT;
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finish_wait (&itv->vsync_waitq, &wait);
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finish_wait(&itv->vsync_waitq, &wait);
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return rc;
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}
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case IVTVFB_IOCTL_PREP_FRAME: {
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struct ivtvfb_ioctl_dma_host_to_ivtv_args args;
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@ -437,7 +435,7 @@ static int ivtvfb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long ar
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}
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default:
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IVTV_FB_ERR("Unknown IOCTL %d\n",cmd);
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IVTV_FB_ERR("Unknown IOCTL %d\n", cmd);
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return -EINVAL;
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}
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return 0;
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@ -447,7 +445,6 @@ static int ivtvfb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long ar
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static int ivtvfb_set_var(struct ivtv *itv, struct fb_var_screeninfo *var)
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{
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struct ivtv_osd_coords ivtv_osd;
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struct v4l2_rect ivtv_window;
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@ -455,9 +452,9 @@ static int ivtvfb_set_var(struct ivtv *itv, struct fb_var_screeninfo *var)
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/* Select color space */
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if (var->nonstd) /* YUV */
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write_reg (read_reg(0x02a00) | 0x0002000,0x02a00);
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write_reg(read_reg(0x02a00) | 0x0002000, 0x02a00);
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else /* RGB */
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write_reg (read_reg(0x02a00) & ~0x0002000,0x02a00);
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write_reg(read_reg(0x02a00) & ~0x0002000, 0x02a00);
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/* Set the color mode
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Although rare, occasionally things go wrong. The extra mode
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@ -525,8 +522,8 @@ static int ivtvfb_set_var(struct ivtv *itv, struct fb_var_screeninfo *var)
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ivtv_window.height = var->yres;
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/* Minimum margin cannot be 0, as X won't allow such a mode */
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if (!var->upper_margin) var->upper_margin ++;
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if (!var->left_margin) var->left_margin ++;
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if (!var->upper_margin) var->upper_margin++;
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if (!var->left_margin) var->left_margin++;
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ivtv_window.top = var->upper_margin - 1;
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ivtv_window.left = var->left_margin - 1;
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@ -535,48 +532,36 @@ static int ivtvfb_set_var(struct ivtv *itv, struct fb_var_screeninfo *var)
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/* Force update of yuv registers */
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itv->yuv_info.yuv_forced_update = 1;
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IVTV_FB_INFO("=== Display mode change ===\n");
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IVTV_FB_INFO("Display size %dx%d (%dx%d Virtual) @ %dbpp\n",
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var->xres,
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var->yres,
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var->xres_virtual,
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var->yres_virtual,
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var->bits_per_pixel);
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IVTV_FB_DEBUG_INFO("Display size: %dx%d (virtual %dx%d) @ %dbpp\n",
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var->xres, var->yres,
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var->xres_virtual, var->yres_virtual,
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var->bits_per_pixel);
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IVTV_FB_INFO("Display position %d,%d\n",
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var->left_margin,
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var->upper_margin);
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IVTV_FB_DEBUG_INFO("Display position: %d, %d\n",
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var->left_margin, var->upper_margin);
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if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED) {
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IVTV_FB_INFO("Display filter : on\n");
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}
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else {
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IVTV_FB_INFO("Display filter : off\n");
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}
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if (var->nonstd) {
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IVTV_FB_INFO("Color space : YUV\n");
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}
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else {
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IVTV_FB_INFO("Color space : RGB\n");
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}
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IVTV_FB_DEBUG_INFO("Display filter: %s\n",
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(var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED ? "on" : "off");
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IVTV_FB_DEBUG_INFO("Color space: %s\n", var->nonstd ? "YUV" : "RGB");
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return 0;
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}
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static int ivtvfb_get_fix(struct ivtv *itv, struct fb_fix_screeninfo *fix)
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{
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IVTV_FB_DEBUG_INFO ("ivtvfb_get_fix\n");
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struct osd_info *oi = itv->osd_info;
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IVTV_FB_DEBUG_INFO("ivtvfb_get_fix\n");
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memset(fix, 0, sizeof(struct fb_fix_screeninfo));
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strcpy(fix->id, "cx23415 TV out");
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fix->smem_start = itv->osd_info->video_pbase;
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fix->smem_len = itv->osd_info->video_buffer_size;
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fix->smem_start = oi->video_pbase;
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fix->smem_len = oi->video_buffer_size;
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fix->type = FB_TYPE_PACKED_PIXELS;
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fix->visual = (itv->osd_info->bits_per_pixel == 8) ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR;
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fix->visual = (oi->bits_per_pixel == 8) ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR;
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fix->xpanstep = 1;
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fix->ypanstep = 1;
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fix->ywrapstep = 0;
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fix->line_length = itv->osd_info->display_byte_stride;
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fix->line_length = oi->display_byte_stride;
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fix->accel = FB_ACCEL_NONE;
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return 0;
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}
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@ -586,14 +571,15 @@ static int ivtvfb_get_fix(struct ivtv *itv, struct fb_fix_screeninfo *fix)
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static int _ivtvfb_check_var(struct fb_var_screeninfo *var, struct ivtv *itv)
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{
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struct osd_info *oi = itv->osd_info;
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int osd_height_limit = itv->is_50hz ? 576 : 480;
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IVTV_FB_DEBUG_INFO ("ivtvfb_check_var\n");
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IVTV_FB_DEBUG_INFO("ivtvfb_check_var\n");
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/* Check the bits per pixel */
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if (osd_compat) {
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if (var->bits_per_pixel != 32) {
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IVTV_FB_DEBUG_WARN ("Invalid colour mode: %d\n",var->bits_per_pixel);
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IVTV_FB_DEBUG_WARN("Invalid colour mode: %d\n", var->bits_per_pixel);
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return -EINVAL;
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}
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}
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@ -609,11 +595,12 @@ static int _ivtvfb_check_var(struct fb_var_screeninfo *var, struct ivtv *itv)
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var->blue.length = 8;
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}
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else if (var->bits_per_pixel == 16) {
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var->transp.offset = 0;
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var->transp.length = 0;
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/* To find out the true mode, check green length */
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switch (var->green.length) {
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case 4:
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var->transp.offset = 0;
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var->transp.length = 0;
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var->red.offset = 8;
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var->red.length = 4;
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var->green.offset = 4;
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@ -622,8 +609,6 @@ static int _ivtvfb_check_var(struct fb_var_screeninfo *var, struct ivtv *itv)
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var->blue.length = 4;
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break;
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case 5:
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var->transp.offset = 0;
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var->transp.length = 0;
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var->red.offset = 10;
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var->red.length = 5;
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var->green.offset = 5;
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@ -632,8 +617,6 @@ static int _ivtvfb_check_var(struct fb_var_screeninfo *var, struct ivtv *itv)
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var->blue.length = 5;
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break;
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default:
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var->transp.offset = 0;
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var->transp.length = 0;
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var->red.offset = 11;
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var->red.length = 5;
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var->green.offset = 5;
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@ -644,33 +627,34 @@ static int _ivtvfb_check_var(struct fb_var_screeninfo *var, struct ivtv *itv)
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}
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}
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else {
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IVTV_FB_DEBUG_WARN ("Invalid colour mode: %d\n",var->bits_per_pixel);
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IVTV_FB_DEBUG_WARN("Invalid colour mode: %d\n", var->bits_per_pixel);
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return -EINVAL;
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}
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/* Check the resolution */
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if (osd_compat) {
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if (var->xres != itv->osd_info->ivtvfb_defined.xres || var->yres != itv->osd_info->ivtvfb_defined.yres ||
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var->xres_virtual != itv->osd_info->ivtvfb_defined.xres_virtual || var->yres_virtual !=
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itv->osd_info->ivtvfb_defined.yres_virtual) {
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IVTV_FB_DEBUG_WARN ("Invalid resolution: %d x %d (%d x %d Virtual)\n",
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var->xres,var->yres, var->xres_virtual,var->yres_virtual);
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if (var->xres != oi->ivtvfb_defined.xres ||
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var->yres != oi->ivtvfb_defined.yres ||
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var->xres_virtual != oi->ivtvfb_defined.xres_virtual ||
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var->yres_virtual != oi->ivtvfb_defined.yres_virtual) {
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IVTV_FB_DEBUG_WARN("Invalid resolution: %dx%d (virtual %dx%d)\n",
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var->xres, var->yres, var->xres_virtual, var->yres_virtual);
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return -EINVAL;
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}
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}
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else {
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if (var->xres > IVTV_OSD_MAX_WIDTH || var->yres > osd_height_limit ) {
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IVTV_FB_DEBUG_WARN ("Invalid resolution: %d x %d\n",
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var->xres,var->yres);
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if (var->xres > IVTV_OSD_MAX_WIDTH || var->yres > osd_height_limit) {
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IVTV_FB_DEBUG_WARN("Invalid resolution: %dx%d\n",
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var->xres, var->yres);
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return -EINVAL;
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}
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/* Max horizontal size is 1023 @ 32bpp, 2046 & 16bpp, 4092 @ 8bpp */
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if (var->xres_virtual > 4095 / (var->bits_per_pixel / 8) ||
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var->xres_virtual * var->yres_virtual * (var->bits_per_pixel/8) > itv->osd_info->video_buffer_size ||
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var->xres_virtual * var->yres_virtual * (var->bits_per_pixel / 8) > oi->video_buffer_size ||
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var->xres_virtual < var->xres ||
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var->yres_virtual < var->yres) {
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IVTV_FB_DEBUG_WARN ("Invalid virtual resolution: %d x %d\n",
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IVTV_FB_DEBUG_WARN("Invalid virtual resolution: %dx%d\n",
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var->xres_virtual, var->yres_virtual);
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return -EINVAL;
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}
|
||||
@ -680,43 +664,43 @@ static int _ivtvfb_check_var(struct fb_var_screeninfo *var, struct ivtv *itv)
|
||||
if (var->bits_per_pixel == 8) {
|
||||
/* Width must be a multiple of 4 */
|
||||
if (var->xres & 3) {
|
||||
IVTV_FB_DEBUG_WARN ("Invalid resolution for 8bpp: %d\n", var->xres);
|
||||
IVTV_FB_DEBUG_WARN("Invalid resolution for 8bpp: %d\n", var->xres);
|
||||
return -EINVAL;
|
||||
}
|
||||
if (var->xres_virtual & 3) {
|
||||
IVTV_FB_DEBUG_WARN ("Invalid virtual resolution for 8bpp: %d)\n", var->xres_virtual);
|
||||
IVTV_FB_DEBUG_WARN("Invalid virtual resolution for 8bpp: %d)\n", var->xres_virtual);
|
||||
return -EINVAL;
|
||||
}
|
||||
}
|
||||
else if (var->bits_per_pixel == 16) {
|
||||
/* Width must be a multiple of 2 */
|
||||
if (var->xres & 1) {
|
||||
IVTV_FB_DEBUG_WARN ("Invalid resolution for 16bpp: %d\n", var->xres);
|
||||
IVTV_FB_DEBUG_WARN("Invalid resolution for 16bpp: %d\n", var->xres);
|
||||
return -EINVAL;
|
||||
}
|
||||
if (var->xres_virtual & 1) {
|
||||
IVTV_FB_DEBUG_WARN ("Invalid virtual resolution for 16bpp: %d)\n", var->xres_virtual);
|
||||
IVTV_FB_DEBUG_WARN("Invalid virtual resolution for 16bpp: %d)\n", var->xres_virtual);
|
||||
return -EINVAL;
|
||||
}
|
||||
}
|
||||
|
||||
/* Now check the offsets */
|
||||
if (var->xoffset >= var->xres_virtual || var->yoffset >= var->yres_virtual) {
|
||||
IVTV_FB_DEBUG_WARN ("Invalid offset: %d (%d) %d (%d)\n",var->xoffset,var->xres_virtual,
|
||||
var->yoffset,var->yres_virtual);
|
||||
IVTV_FB_DEBUG_WARN("Invalid offset: %d (%d) %d (%d)\n",
|
||||
var->xoffset, var->xres_virtual, var->yoffset, var->yres_virtual);
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
/* Check pixel format */
|
||||
if (var->nonstd > 1) {
|
||||
IVTV_FB_DEBUG_WARN ("Invalid nonstd % d\n",var->nonstd);
|
||||
IVTV_FB_DEBUG_WARN("Invalid nonstd % d\n", var->nonstd);
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
/* Check video mode */
|
||||
if (((var->vmode & FB_VMODE_MASK) != FB_VMODE_NONINTERLACED) &&
|
||||
((var->vmode & FB_VMODE_MASK) != FB_VMODE_INTERLACED)) {
|
||||
IVTV_FB_DEBUG_WARN ("Invalid video mode: %d\n",var->vmode & FB_VMODE_MASK);
|
||||
IVTV_FB_DEBUG_WARN("Invalid video mode: %d\n", var->vmode & FB_VMODE_MASK);
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
@ -732,8 +716,8 @@ static int _ivtvfb_check_var(struct fb_var_screeninfo *var, struct ivtv *itv)
|
||||
}
|
||||
|
||||
/* Maintain overall 'size' for a constant refresh rate */
|
||||
var->right_margin = itv->osd_info->hlimit - var->left_margin - var->xres;
|
||||
var->lower_margin = itv->osd_info->vlimit - var->upper_margin - var->yres;
|
||||
var->right_margin = oi->hlimit - var->left_margin - var->xres;
|
||||
var->lower_margin = oi->vlimit - var->upper_margin - var->yres;
|
||||
|
||||
/* Fixed sync times */
|
||||
var->hsync_len = 24;
|
||||
@ -742,45 +726,29 @@ static int _ivtvfb_check_var(struct fb_var_screeninfo *var, struct ivtv *itv)
|
||||
/* Non-interlaced / interlaced mode is used to switch the OSD filter
|
||||
on or off. Adjust the clock timings to maintain a constant
|
||||
vertical refresh rate. */
|
||||
var->pixclock = itv->osd_info->pixclock;
|
||||
var->pixclock = oi->pixclock;
|
||||
if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED)
|
||||
var->pixclock /= 2;
|
||||
|
||||
IVTV_FB_DEBUG_INFO ("ivtvfb_check_var - Parameters validated\n");
|
||||
|
||||
IVTV_FB_INFO("=== Validated display mode ===\n");
|
||||
IVTV_FB_INFO("Display size %dx%d (%dx%d Virtual) @ %dbpp\n",
|
||||
var->xres,
|
||||
var->yres,
|
||||
var->xres_virtual,
|
||||
var->yres_virtual,
|
||||
IVTV_FB_DEBUG_INFO("Display size: %dx%d (virtual %dx%d) @ %dbpp\n",
|
||||
var->xres, var->yres,
|
||||
var->xres_virtual, var->yres_virtual,
|
||||
var->bits_per_pixel);
|
||||
|
||||
IVTV_FB_INFO("Display position %d,%d\n",
|
||||
var->left_margin,
|
||||
var->upper_margin);
|
||||
IVTV_FB_DEBUG_INFO("Display position: %d, %d\n",
|
||||
var->left_margin, var->upper_margin);
|
||||
|
||||
if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED) {
|
||||
IVTV_FB_INFO("Display filter : on\n");
|
||||
}
|
||||
else {
|
||||
IVTV_FB_INFO("Display filter : off\n");
|
||||
}
|
||||
|
||||
if (var->nonstd) {
|
||||
IVTV_FB_INFO("Color space : YUV\n");
|
||||
}
|
||||
else {
|
||||
IVTV_FB_INFO("Color space : RGB\n");
|
||||
}
|
||||
IVTV_FB_DEBUG_INFO("Display filter: %s\n",
|
||||
(var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED ? "on" : "off");
|
||||
IVTV_FB_DEBUG_INFO("Color space: %s\n", var->nonstd ? "YUV" : "RGB");
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int ivtvfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
|
||||
{
|
||||
struct ivtv *itv = (struct ivtv *) info->par;
|
||||
IVTV_FB_DEBUG_INFO ("ivtvfb_check_var\n");
|
||||
return _ivtvfb_check_var (var,itv);
|
||||
IVTV_FB_DEBUG_INFO("ivtvfb_check_var\n");
|
||||
return _ivtvfb_check_var(var, itv);
|
||||
}
|
||||
|
||||
static int ivtvfb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info)
|
||||
@ -789,7 +757,7 @@ static int ivtvfb_pan_display(struct fb_var_screeninfo *var, struct fb_info *inf
|
||||
struct ivtv *itv = (struct ivtv *) info->par;
|
||||
|
||||
osd_pan_index = (var->xoffset + (var->yoffset * var->xres_virtual))*var->bits_per_pixel/8;
|
||||
write_reg (osd_pan_index,0x02A0C);
|
||||
write_reg(osd_pan_index, 0x02A0C);
|
||||
|
||||
/* Pass this info back the yuv handler */
|
||||
itv->yuv_info.osd_x_pan = var->xoffset;
|
||||
@ -804,11 +772,11 @@ static int ivtvfb_set_par(struct fb_info *info)
|
||||
int rc = 0;
|
||||
struct ivtv *itv = (struct ivtv *) info->par;
|
||||
|
||||
IVTV_FB_DEBUG_INFO ("ivtvfb_set_par\n");
|
||||
IVTV_FB_DEBUG_INFO("ivtvfb_set_par\n");
|
||||
|
||||
rc = ivtvfb_set_var(itv, &info->var);
|
||||
ivtvfb_pan_display(&info->var, info);
|
||||
ivtvfb_get_fix (itv, &info->fix);
|
||||
ivtvfb_get_fix(itv, &info->fix);
|
||||
return rc;
|
||||
}
|
||||
|
||||
@ -817,7 +785,7 @@ static int ivtvfb_setcolreg(unsigned regno, unsigned red, unsigned green,
|
||||
struct fb_info *info)
|
||||
{
|
||||
u32 color, *palette;
|
||||
struct ivtv *itv = (struct ivtv *) info->par;
|
||||
struct ivtv *itv = (struct ivtv *)info->par;
|
||||
|
||||
if (regno >= info->cmap.len)
|
||||
return -EINVAL;
|
||||
@ -826,34 +794,32 @@ static int ivtvfb_setcolreg(unsigned regno, unsigned red, unsigned green,
|
||||
if (info->var.bits_per_pixel <= 8) {
|
||||
write_reg(regno, 0x02a30);
|
||||
write_reg(color, 0x02a34);
|
||||
return 0;
|
||||
}
|
||||
else {
|
||||
if (regno >= 16)
|
||||
return -EINVAL;
|
||||
if (regno >= 16)
|
||||
return -EINVAL;
|
||||
|
||||
palette = info->pseudo_palette;
|
||||
if (info->var.bits_per_pixel == 16) {
|
||||
switch (info->var.green.length) {
|
||||
case 4:
|
||||
color = ((red & 0xf000) >> 4) |
|
||||
((green & 0xf000) >> 8) |
|
||||
((blue & 0xf000) >> 12);
|
||||
break;
|
||||
case 5:
|
||||
color = ((red & 0xf800) >> 1) |
|
||||
((green & 0xf800) >> 6) |
|
||||
((blue & 0xf800) >> 11);
|
||||
break;
|
||||
case 6:
|
||||
color = (red & 0xf800 ) |
|
||||
((green & 0xfc00) >> 5) |
|
||||
((blue & 0xf800) >> 11);
|
||||
break;
|
||||
}
|
||||
palette = info->pseudo_palette;
|
||||
if (info->var.bits_per_pixel == 16) {
|
||||
switch (info->var.green.length) {
|
||||
case 4:
|
||||
color = ((red & 0xf000) >> 4) |
|
||||
((green & 0xf000) >> 8) |
|
||||
((blue & 0xf000) >> 12);
|
||||
break;
|
||||
case 5:
|
||||
color = ((red & 0xf800) >> 1) |
|
||||
((green & 0xf800) >> 6) |
|
||||
((blue & 0xf800) >> 11);
|
||||
break;
|
||||
case 6:
|
||||
color = (red & 0xf800 ) |
|
||||
((green & 0xfc00) >> 5) |
|
||||
((blue & 0xf800) >> 11);
|
||||
break;
|
||||
}
|
||||
palette[regno] = color;
|
||||
}
|
||||
|
||||
palette[regno] = color;
|
||||
return 0;
|
||||
}
|
||||
|
||||
@ -863,7 +829,7 @@ static int ivtvfb_blank(int blank_mode, struct fb_info *info)
|
||||
{
|
||||
struct ivtv *itv = (struct ivtv *)info->par;
|
||||
|
||||
IVTV_FB_DEBUG_INFO ("Set blanking mode : %d\n",blank_mode);
|
||||
IVTV_FB_DEBUG_INFO("Set blanking mode : %d\n", blank_mode);
|
||||
switch (blank_mode) {
|
||||
case FB_BLANK_UNBLANK:
|
||||
ivtv_vapi(itv, CX2341X_OSD_SET_STATE, 1, 1);
|
||||
@ -898,27 +864,28 @@ static struct fb_ops ivtvfb_ops = {
|
||||
/* Setup our initial video mode */
|
||||
static int ivtvfb_init_vidmode(struct ivtv *itv)
|
||||
{
|
||||
int max_height;
|
||||
struct osd_info *oi = itv->osd_info;
|
||||
struct v4l2_rect start_window;
|
||||
int max_height;
|
||||
|
||||
/* Set base references for mode calcs. */
|
||||
if (itv->is_50hz) {
|
||||
itv->osd_info->pixclock = 84316;
|
||||
itv->osd_info->hlimit = 776;
|
||||
itv->osd_info->vlimit = 591;
|
||||
oi->pixclock = 84316;
|
||||
oi->hlimit = 776;
|
||||
oi->vlimit = 591;
|
||||
}
|
||||
else {
|
||||
itv->osd_info->pixclock = 83926;
|
||||
itv->osd_info->hlimit = 776;
|
||||
itv->osd_info->vlimit = 495;
|
||||
oi->pixclock = 83926;
|
||||
oi->hlimit = 776;
|
||||
oi->vlimit = 495;
|
||||
}
|
||||
|
||||
/* Color mode */
|
||||
|
||||
if (osd_compat) osd_depth = 32;
|
||||
if (osd_depth != 8 && osd_depth != 16 && osd_depth != 32) osd_depth = 8;
|
||||
itv->osd_info->bits_per_pixel = osd_depth;
|
||||
itv->osd_info->bytes_per_pixel = itv->osd_info->bits_per_pixel / 8;
|
||||
oi->bits_per_pixel = osd_depth;
|
||||
oi->bytes_per_pixel = oi->bits_per_pixel / 8;
|
||||
|
||||
/* Horizontal size & position */
|
||||
|
||||
@ -937,97 +904,93 @@ static int ivtvfb_init_vidmode(struct ivtv *itv)
|
||||
|
||||
/* Check horizontal start (osd_left). */
|
||||
if (osd_left && osd_left + start_window.width > 721) {
|
||||
IVTV_FB_ERR ("Invalid osd_left - assuming default\n");
|
||||
IVTV_FB_ERR("Invalid osd_left - assuming default\n");
|
||||
osd_left = 0;
|
||||
}
|
||||
|
||||
/* Hardware coords start at 0, user coords start at 1. */
|
||||
osd_left --;
|
||||
osd_left--;
|
||||
|
||||
start_window.left =
|
||||
osd_left >= 0 ? osd_left : ((IVTV_OSD_MAX_WIDTH - start_window.width) / 2);
|
||||
start_window.left = osd_left >= 0 ? osd_left : ((IVTV_OSD_MAX_WIDTH - start_window.width) / 2);
|
||||
|
||||
itv->osd_info->display_byte_stride =
|
||||
start_window.width * itv->osd_info->bytes_per_pixel;
|
||||
oi->display_byte_stride =
|
||||
start_window.width * oi->bytes_per_pixel;
|
||||
|
||||
/* Vertical size & position */
|
||||
|
||||
max_height = itv->is_50hz ? 576 : 480;
|
||||
|
||||
if ( osd_yres > max_height) osd_yres = max_height;
|
||||
if (osd_yres > max_height)
|
||||
osd_yres = max_height;
|
||||
|
||||
if (osd_yres)
|
||||
start_window.height = osd_yres;
|
||||
else {
|
||||
if (itv->is_50hz)
|
||||
start_window.height = osd_compat ? max_height : 480;
|
||||
else
|
||||
start_window.height = osd_compat ? max_height : 400;
|
||||
}
|
||||
else
|
||||
start_window.height = osd_compat ? max_height : (itv->is_50hz ? 480 : 400);
|
||||
|
||||
/* Check vertical start (osd_upper). */
|
||||
if (osd_upper + start_window.height > max_height + 1) {
|
||||
IVTV_FB_ERR ("Invalid osd_upper - assuming default\n");
|
||||
IVTV_FB_ERR("Invalid osd_upper - assuming default\n");
|
||||
osd_upper = 0;
|
||||
}
|
||||
|
||||
/* Hardware coords start at 0, user coords start at 1. */
|
||||
osd_upper --;
|
||||
osd_upper--;
|
||||
|
||||
start_window.top = osd_upper >= 0 ? osd_upper : ((max_height - start_window.height) / 2);
|
||||
|
||||
itv->osd_info->display_width = start_window.width;
|
||||
itv->osd_info->display_height = start_window.height;
|
||||
oi->display_width = start_window.width;
|
||||
oi->display_height = start_window.height;
|
||||
|
||||
/* Generate a valid fb_var_screeninfo */
|
||||
|
||||
itv->osd_info->ivtvfb_defined.xres = itv->osd_info->display_width;
|
||||
itv->osd_info->ivtvfb_defined.yres = itv->osd_info->display_height;
|
||||
itv->osd_info->ivtvfb_defined.xres_virtual = itv->osd_info->display_width;
|
||||
itv->osd_info->ivtvfb_defined.yres_virtual = itv->osd_info->display_height;
|
||||
itv->osd_info->ivtvfb_defined.bits_per_pixel = itv->osd_info->bits_per_pixel;
|
||||
itv->osd_info->ivtvfb_defined.vmode = (osd_laced ? FB_VMODE_INTERLACED : FB_VMODE_NONINTERLACED);
|
||||
itv->osd_info->ivtvfb_defined.left_margin = start_window.left + 1;
|
||||
itv->osd_info->ivtvfb_defined.upper_margin = start_window.top + 1;
|
||||
itv->osd_info->ivtvfb_defined.accel_flags = FB_ACCEL_NONE;
|
||||
itv->osd_info->ivtvfb_defined.nonstd = 0;
|
||||
oi->ivtvfb_defined.xres = oi->display_width;
|
||||
oi->ivtvfb_defined.yres = oi->display_height;
|
||||
oi->ivtvfb_defined.xres_virtual = oi->display_width;
|
||||
oi->ivtvfb_defined.yres_virtual = oi->display_height;
|
||||
oi->ivtvfb_defined.bits_per_pixel = oi->bits_per_pixel;
|
||||
oi->ivtvfb_defined.vmode = (osd_laced ? FB_VMODE_INTERLACED : FB_VMODE_NONINTERLACED);
|
||||
oi->ivtvfb_defined.left_margin = start_window.left + 1;
|
||||
oi->ivtvfb_defined.upper_margin = start_window.top + 1;
|
||||
oi->ivtvfb_defined.accel_flags = FB_ACCEL_NONE;
|
||||
oi->ivtvfb_defined.nonstd = 0;
|
||||
|
||||
/* We've filled in the most data, let the usual mode check
|
||||
routine fill in the rest. */
|
||||
_ivtvfb_check_var (&itv->osd_info->ivtvfb_defined,itv);
|
||||
_ivtvfb_check_var(&oi->ivtvfb_defined, itv);
|
||||
|
||||
/* Generate valid fb_fix_screeninfo */
|
||||
|
||||
ivtvfb_get_fix(itv,&itv->osd_info->ivtvfb_fix);
|
||||
ivtvfb_get_fix(itv, &oi->ivtvfb_fix);
|
||||
|
||||
/* Generate valid fb_info */
|
||||
|
||||
itv->osd_info->ivtvfb_info.node = -1;
|
||||
itv->osd_info->ivtvfb_info.flags = FBINFO_FLAG_DEFAULT;
|
||||
itv->osd_info->ivtvfb_info.fbops = &ivtvfb_ops;
|
||||
itv->osd_info->ivtvfb_info.par = itv;
|
||||
itv->osd_info->ivtvfb_info.var = itv->osd_info->ivtvfb_defined;
|
||||
itv->osd_info->ivtvfb_info.fix = itv->osd_info->ivtvfb_fix;
|
||||
itv->osd_info->ivtvfb_info.screen_base = (u8 __iomem *)itv->osd_info->video_vbase;
|
||||
itv->osd_info->ivtvfb_info.fbops = &ivtvfb_ops;
|
||||
oi->ivtvfb_info.node = -1;
|
||||
oi->ivtvfb_info.flags = FBINFO_FLAG_DEFAULT;
|
||||
oi->ivtvfb_info.fbops = &ivtvfb_ops;
|
||||
oi->ivtvfb_info.par = itv;
|
||||
oi->ivtvfb_info.var = oi->ivtvfb_defined;
|
||||
oi->ivtvfb_info.fix = oi->ivtvfb_fix;
|
||||
oi->ivtvfb_info.screen_base = (u8 __iomem *)oi->video_vbase;
|
||||
oi->ivtvfb_info.fbops = &ivtvfb_ops;
|
||||
|
||||
/* Supply some monitor specs. Bogus values will do for now */
|
||||
itv->osd_info->ivtvfb_info.monspecs.hfmin = 8000;
|
||||
itv->osd_info->ivtvfb_info.monspecs.hfmax = 70000;
|
||||
itv->osd_info->ivtvfb_info.monspecs.vfmin = 10;
|
||||
itv->osd_info->ivtvfb_info.monspecs.vfmax = 100;
|
||||
oi->ivtvfb_info.monspecs.hfmin = 8000;
|
||||
oi->ivtvfb_info.monspecs.hfmax = 70000;
|
||||
oi->ivtvfb_info.monspecs.vfmin = 10;
|
||||
oi->ivtvfb_info.monspecs.vfmax = 100;
|
||||
|
||||
/* Allocate color map */
|
||||
if (fb_alloc_cmap(&itv->osd_info->ivtvfb_info.cmap, 256, 1)) {
|
||||
IVTV_FB_ERR ("abort, unable to alloc cmap\n");
|
||||
if (fb_alloc_cmap(&oi->ivtvfb_info.cmap, 256, 1)) {
|
||||
IVTV_FB_ERR("abort, unable to alloc cmap\n");
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
/* Allocate the pseudo palette */
|
||||
itv->osd_info->ivtvfb_info.pseudo_palette = kmalloc(sizeof (u32) * 16, GFP_KERNEL);
|
||||
oi->ivtvfb_info.pseudo_palette = kmalloc(sizeof(u32) * 16, GFP_KERNEL);
|
||||
|
||||
if (!itv->osd_info->ivtvfb_info.pseudo_palette) {
|
||||
IVTV_FB_ERR ("abort, unable to alloc pseudo pallete\n");
|
||||
if (!oi->ivtvfb_info.pseudo_palette) {
|
||||
IVTV_FB_ERR("abort, unable to alloc pseudo pallete\n");
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
@ -1038,51 +1001,53 @@ static int ivtvfb_init_vidmode(struct ivtv *itv)
|
||||
|
||||
static int ivtvfb_init_io(struct ivtv *itv)
|
||||
{
|
||||
ivtv_fb_get_framebuffer(itv, &itv->osd_info->video_rbase, &itv->osd_info->video_buffer_size);
|
||||
struct osd_info *oi = itv->osd_info;
|
||||
|
||||
ivtv_fb_get_framebuffer(itv, &oi->video_rbase, &oi->video_buffer_size);
|
||||
|
||||
/* The osd buffer size depends on the number of video buffers allocated
|
||||
on the PVR350 itself. For now we'll hardcode the smallest osd buffer
|
||||
size to prevent any overlap. */
|
||||
itv->osd_info->video_buffer_size = 1704960;
|
||||
oi->video_buffer_size = 1704960;
|
||||
|
||||
itv->osd_info->video_pbase = itv->base_addr + IVTV_DECODER_OFFSET + itv->osd_info->video_rbase;
|
||||
itv->osd_info->video_vbase = itv->dec_mem + itv->osd_info->video_rbase;
|
||||
oi->video_pbase = itv->base_addr + IVTV_DECODER_OFFSET + oi->video_rbase;
|
||||
oi->video_vbase = itv->dec_mem + oi->video_rbase;
|
||||
|
||||
if (!itv->osd_info->video_vbase) {
|
||||
if (!oi->video_vbase) {
|
||||
IVTV_FB_ERR("abort, video memory 0x%x @ 0x%lx isn't mapped!\n",
|
||||
itv->osd_info->video_buffer_size, itv->osd_info->video_pbase);
|
||||
oi->video_buffer_size, oi->video_pbase);
|
||||
return -EIO;
|
||||
}
|
||||
|
||||
IVTV_FB_INFO("Framebuffer at 0x%lx, mapped to 0x%p, size %dk\n",
|
||||
itv->osd_info->video_pbase, itv->osd_info->video_vbase,
|
||||
itv->osd_info->video_buffer_size / 1024);
|
||||
oi->video_pbase, oi->video_vbase,
|
||||
oi->video_buffer_size / 1024);
|
||||
|
||||
#ifdef CONFIG_MTRR
|
||||
{
|
||||
/* Find the largest power of two that maps the whole buffer */
|
||||
int size_shift = 31;
|
||||
|
||||
while (!(itv->osd_info->video_buffer_size & (1 << size_shift))) {
|
||||
while (!(oi->video_buffer_size & (1 << size_shift))) {
|
||||
size_shift--;
|
||||
}
|
||||
size_shift++;
|
||||
itv->osd_info->fb_start_aligned_physaddr = itv->osd_info->video_pbase & ~((1 << size_shift) - 1);
|
||||
itv->osd_info->fb_end_aligned_physaddr = itv->osd_info->video_pbase + itv->osd_info->video_buffer_size;
|
||||
itv->osd_info->fb_end_aligned_physaddr += (1 << size_shift) - 1;
|
||||
itv->osd_info->fb_end_aligned_physaddr &= ~((1 << size_shift) - 1);
|
||||
if (mtrr_add(itv->osd_info->fb_start_aligned_physaddr,
|
||||
itv->osd_info->fb_end_aligned_physaddr - itv->osd_info->fb_start_aligned_physaddr,
|
||||
oi->fb_start_aligned_physaddr = oi->video_pbase & ~((1 << size_shift) - 1);
|
||||
oi->fb_end_aligned_physaddr = oi->video_pbase + oi->video_buffer_size;
|
||||
oi->fb_end_aligned_physaddr += (1 << size_shift) - 1;
|
||||
oi->fb_end_aligned_physaddr &= ~((1 << size_shift) - 1);
|
||||
if (mtrr_add(oi->fb_start_aligned_physaddr,
|
||||
oi->fb_end_aligned_physaddr - oi->fb_start_aligned_physaddr,
|
||||
MTRR_TYPE_WRCOMB, 1) < 0) {
|
||||
IVTV_FB_ERR("warning: mtrr_add() failed to add write combining region 0x%08x-0x%08x\n",
|
||||
(unsigned int)itv->osd_info->fb_start_aligned_physaddr,
|
||||
(unsigned int)itv->osd_info->fb_end_aligned_physaddr);
|
||||
IVTV_FB_WARN("cannot use mttr\n");
|
||||
oi->fb_start_aligned_physaddr = 0;
|
||||
oi->fb_end_aligned_physaddr = 0;
|
||||
}
|
||||
}
|
||||
#endif /* CONFIG_MTRR */
|
||||
#endif
|
||||
|
||||
/* Blank the entire osd. */
|
||||
memset_io(itv->osd_info->video_vbase, 0, itv->osd_info->video_buffer_size);
|
||||
memset_io(oi->video_vbase, 0, oi->video_buffer_size);
|
||||
|
||||
return 0;
|
||||
}
|
||||
@ -1090,26 +1055,30 @@ static int ivtvfb_init_io(struct ivtv *itv)
|
||||
/* Release any memory we've grabbed & remove mtrr entry */
|
||||
static void ivtvfb_release_buffers (struct ivtv *itv)
|
||||
{
|
||||
struct osd_info *oi = itv->osd_info;
|
||||
|
||||
/* Release cmap */
|
||||
if (itv->osd_info->ivtvfb_info.cmap.len);
|
||||
fb_dealloc_cmap(&itv->osd_info->ivtvfb_info.cmap);
|
||||
if (oi->ivtvfb_info.cmap.len);
|
||||
fb_dealloc_cmap(&oi->ivtvfb_info.cmap);
|
||||
|
||||
/* Release pseudo palette */
|
||||
if (itv->osd_info->ivtvfb_info.pseudo_palette)
|
||||
kfree(itv->osd_info->ivtvfb_info.pseudo_palette);
|
||||
if (oi->ivtvfb_info.pseudo_palette)
|
||||
kfree(oi->ivtvfb_info.pseudo_palette);
|
||||
|
||||
#ifdef CONFIG_MTRR
|
||||
mtrr_del(-1, itv->osd_info->fb_start_aligned_physaddr,
|
||||
(itv->osd_info->fb_end_aligned_physaddr - itv->osd_info->fb_start_aligned_physaddr));
|
||||
#endif /* CONFIG_MTRR */
|
||||
if (oi->fb_end_aligned_physaddr) {
|
||||
mtrr_del(-1, oi->fb_start_aligned_physaddr,
|
||||
oi->fb_end_aligned_physaddr - oi->fb_start_aligned_physaddr);
|
||||
}
|
||||
#endif
|
||||
|
||||
kfree(itv->osd_info);
|
||||
kfree(oi);
|
||||
itv->osd_info = NULL;
|
||||
}
|
||||
|
||||
/* Initialize the specified card */
|
||||
|
||||
static int ivtvfb_init_card (struct ivtv *itv)
|
||||
static int ivtvfb_init_card(struct ivtv *itv)
|
||||
{
|
||||
int rc;
|
||||
|
||||
@ -1125,11 +1094,11 @@ static int ivtvfb_init_card (struct ivtv *itv)
|
||||
}
|
||||
|
||||
/* Find & setup the OSD buffer */
|
||||
if ((rc = ivtvfb_init_io (itv)))
|
||||
if ((rc = ivtvfb_init_io(itv)))
|
||||
return rc;
|
||||
|
||||
/* Set the startup video mode information */
|
||||
if ((rc = ivtvfb_init_vidmode (itv))) {
|
||||
if ((rc = ivtvfb_init_vidmode(itv))) {
|
||||
ivtvfb_release_buffers(itv);
|
||||
return rc;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user