fbdev: sh_mobile_lcdc: Store configuration in channel structure
Store the frame buffer configuration (colorspace, visible/virtual horizontal and vertical resolutions and line pitch) in the sh_mobile_lcdc_chan structure, and use it instead of accessing fb_info. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
This commit is contained in:
Laurent Pinchart
Родитель
e8363140c0
Коммит
58f03d998d
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@ -273,7 +273,7 @@ static int sh_mobile_lcdc_sginit(struct fb_info *info,
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struct list_head *pagelist)
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{
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struct sh_mobile_lcdc_chan *ch = info->par;
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unsigned int nr_pages_max = info->fix.smem_len >> PAGE_SHIFT;
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unsigned int nr_pages_max = ch->fb_size >> PAGE_SHIFT;
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struct page *page;
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int nr_pages = 0;
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@ -541,17 +541,6 @@ static int sh_mobile_format_is_fourcc(const struct fb_var_screeninfo *var)
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return var->grayscale > 1;
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}
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static bool sh_mobile_format_is_yuv(const struct fb_var_screeninfo *var)
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{
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const struct sh_mobile_lcdc_format_info *format;
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if (var->grayscale <= 1)
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return false;
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format = sh_mobile_format_info(var->grayscale);
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return format ? format->yuv : false;
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}
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/* -----------------------------------------------------------------------------
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* Start, stop and IRQ
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*/
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@ -650,7 +639,7 @@ static void sh_mobile_lcdc_geometry(struct sh_mobile_lcdc_chan *ch)
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h_total = mode->xres + mode->hsync_len + mode->left_margin
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+ mode->right_margin;
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tmp = h_total / 8; /* HTCN */
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tmp |= (min(mode->xres, var->xres) / 8) << 16; /* HDCN */
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tmp |= (min(mode->xres, ch->xres) / 8) << 16; /* HDCN */
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lcdc_write_chan(ch, LDHCNR, tmp);
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hsync_pos = mode->xres + mode->right_margin;
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@ -661,7 +650,7 @@ static void sh_mobile_lcdc_geometry(struct sh_mobile_lcdc_chan *ch)
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/* vertical configuration */
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tmp = mode->yres + mode->vsync_len + mode->upper_margin
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+ mode->lower_margin; /* VTLN */
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tmp |= min(mode->yres, var->yres) << 16; /* VDLN */
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tmp |= min(mode->yres, ch->yres) << 16; /* VDLN */
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lcdc_write_chan(ch, LDVLNR, tmp);
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tmp = mode->yres + mode->lower_margin; /* VSYNP */
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@ -738,7 +727,7 @@ static void __sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv)
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tmp = ch->format->lddfr;
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if (ch->format->yuv) {
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switch (ch->info->var.colorspace) {
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switch (ch->colorspace) {
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case V4L2_COLORSPACE_REC709:
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tmp |= LDDFR_CF1;
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break;
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@ -836,11 +825,8 @@ static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv)
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if (!ch->enabled)
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continue;
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ch->base_addr_y = ch->info->fix.smem_start;
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ch->base_addr_c = ch->base_addr_y
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+ ch->info->var.xres
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* ch->info->var.yres_virtual;
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ch->pitch = ch->info->fix.line_length;
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ch->base_addr_y = ch->dma_handle;
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ch->base_addr_c = ch->base_addr_y + ch->xres * ch->yres_virtual;
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/* Enable MERAM if possible. */
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cfg = ch->cfg.meram_cfg;
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@ -875,7 +861,7 @@ static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv)
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}
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ret = mdev->ops->meram_register(mdev, cfg, ch->pitch,
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ch->info->var.yres, pixelformat,
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ch->yres, pixelformat,
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ch->base_addr_y, ch->base_addr_c,
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&ch->base_addr_y, &ch->base_addr_c,
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&ch->pitch);
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@ -1037,14 +1023,12 @@ static int sh_mobile_fb_pan_display(struct fb_var_screeninfo *var,
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unsigned long new_pan_offset;
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unsigned long base_addr_y, base_addr_c;
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unsigned long c_offset;
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bool yuv = sh_mobile_format_is_yuv(&info->var);
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if (!yuv)
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new_pan_offset = var->yoffset * info->fix.line_length
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+ var->xoffset * (info->var.bits_per_pixel / 8);
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if (!ch->format->yuv)
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new_pan_offset = var->yoffset * ch->pitch
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+ var->xoffset * (ch->format->bpp / 8);
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else
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new_pan_offset = var->yoffset * info->fix.line_length
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+ var->xoffset;
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new_pan_offset = var->yoffset * ch->pitch + var->xoffset;
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if (new_pan_offset == ch->pan_offset)
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return 0; /* No change, do nothing */
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@ -1053,12 +1037,11 @@ static int sh_mobile_fb_pan_display(struct fb_var_screeninfo *var,
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/* Set the source address for the next refresh */
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base_addr_y = ch->dma_handle + new_pan_offset;
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if (yuv) {
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if (ch->format->yuv) {
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/* Set y offset */
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c_offset = var->yoffset * info->fix.line_length
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* (info->var.bits_per_pixel - 8) / 8;
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base_addr_c = ch->dma_handle
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+ info->var.xres * info->var.yres_virtual
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c_offset = var->yoffset * ch->pitch
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* (ch->format->bpp - 8) / 8;
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base_addr_c = ch->dma_handle + ch->xres * ch->yres_virtual
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+ c_offset;
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/* Set x offset */
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if (ch->format->fourcc == V4L2_PIX_FMT_NV24)
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@ -1085,7 +1068,7 @@ static int sh_mobile_fb_pan_display(struct fb_var_screeninfo *var,
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ch->base_addr_c = base_addr_c;
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lcdc_write_chan_mirror(ch, LDSA1R, base_addr_y);
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if (yuv)
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if (ch->format->yuv)
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lcdc_write_chan_mirror(ch, LDSA2R, base_addr_c);
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if (lcdc_chan_is_sublcd(ch))
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@ -1338,24 +1321,28 @@ static int sh_mobile_check_var(struct fb_var_screeninfo *var, struct fb_info *in
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static int sh_mobile_set_par(struct fb_info *info)
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{
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struct sh_mobile_lcdc_chan *ch = info->par;
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u32 line_length = info->fix.line_length;
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int ret;
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sh_mobile_lcdc_stop(ch->lcdc);
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if (sh_mobile_format_is_yuv(&info->var))
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info->fix.line_length = info->var.xres;
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else
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info->fix.line_length = info->var.xres
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* info->var.bits_per_pixel / 8;
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ch->format = sh_mobile_format_info(sh_mobile_format_fourcc(&info->var));
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ch->colorspace = info->var.colorspace;
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ch->xres = info->var.xres;
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ch->xres_virtual = info->var.xres_virtual;
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ch->yres = info->var.yres;
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ch->yres_virtual = info->var.yres_virtual;
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if (ch->format->yuv)
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ch->pitch = info->var.xres;
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else
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ch->pitch = info->var.xres * ch->format->bpp / 8;
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ret = sh_mobile_lcdc_start(ch->lcdc);
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if (ret < 0) {
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if (ret < 0)
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dev_err(info->dev, "%s: unable to restart LCDC\n", __func__);
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info->fix.line_length = line_length;
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}
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info->fix.line_length = ch->pitch;
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if (sh_mobile_format_is_fourcc(&info->var)) {
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info->fix.type = FB_TYPE_FOURCC;
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@ -1384,8 +1371,8 @@ static int sh_mobile_lcdc_blank(int blank, struct fb_info *info)
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/* blank the screen? */
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if (blank > FB_BLANK_UNBLANK && ch->blank_status == FB_BLANK_UNBLANK) {
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struct fb_fillrect rect = {
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.width = info->var.xres,
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.height = info->var.yres,
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.width = ch->xres,
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.height = ch->yres,
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};
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sh_mobile_lcdc_fillrect(info, &rect);
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}
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@ -1525,6 +1512,13 @@ sh_mobile_lcdc_channel_fb_init(struct sh_mobile_lcdc_chan *ch,
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info->fix = sh_mobile_lcdc_fix;
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info->fix.smem_start = ch->dma_handle;
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info->fix.smem_len = ch->fb_size;
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info->fix.line_length = ch->pitch;
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if (ch->format->yuv)
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info->fix.visual = FB_VISUAL_FOURCC;
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else
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info->fix.visual = FB_VISUAL_TRUECOLOR;
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if (ch->format->fourcc == V4L2_PIX_FMT_NV12 ||
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ch->format->fourcc == V4L2_PIX_FMT_NV21)
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info->fix.ypanstep = 2;
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@ -1552,14 +1546,6 @@ sh_mobile_lcdc_channel_fb_init(struct sh_mobile_lcdc_chan *ch,
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if (ret)
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return ret;
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if (ch->format->yuv) {
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info->fix.line_length = var->xres;
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info->fix.visual = FB_VISUAL_FOURCC;
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} else {
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info->fix.line_length = var->xres * ch->format->bpp / 8;
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info->fix.visual = FB_VISUAL_TRUECOLOR;
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}
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return 0;
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}
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@ -1836,8 +1822,6 @@ sh_mobile_lcdc_channel_init(struct sh_mobile_lcdc_priv *priv,
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return -EINVAL;
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}
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ch->format = format;
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/* Iterate through the modes to validate them and find the highest
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* resolution.
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*/
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@ -1875,6 +1859,21 @@ sh_mobile_lcdc_channel_init(struct sh_mobile_lcdc_priv *priv,
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num_modes = cfg->num_modes;
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}
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/* Use the first mode as default. */
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ch->format = format;
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ch->xres = mode->xres;
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ch->xres_virtual = mode->xres;
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ch->yres = mode->yres;
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ch->yres_virtual = mode->yres * 2;
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if (!format->yuv) {
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ch->colorspace = V4L2_COLORSPACE_SRGB;
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ch->pitch = ch->xres * format->bpp / 8;
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} else {
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ch->colorspace = V4L2_COLORSPACE_REC709;
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ch->pitch = ch->xres;
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}
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ch->display.width = cfg->panel_cfg.width;
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ch->display.height = cfg->panel_cfg.height;
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ch->display.mode = *mode;
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@ -74,9 +74,15 @@ struct sh_mobile_lcdc_chan {
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struct completion vsync_completion;
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const struct sh_mobile_lcdc_format_info *format;
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u32 colorspace;
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unsigned int xres;
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unsigned int xres_virtual;
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unsigned int yres;
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unsigned int yres_virtual;
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unsigned int pitch;
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unsigned long base_addr_y;
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unsigned long base_addr_c;
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unsigned int pitch;
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int (*notify)(struct sh_mobile_lcdc_chan *ch,
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enum sh_mobile_lcdc_entity_event event,
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