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Commit be383bd3 authored by Hans Verkuil's avatar Hans Verkuil Committed by Mauro Carvalho Chehab
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V4L/DVB (5904): ivtv-fb: cleanups 

Signed-off-by: default avatarHans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@infradead.org>
parent 32db7754
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Showing with 204 additions and 235 deletions
drivers/media/video/ivtv/ivtv-fb.c
View file @ be383bd3
...@@ -3,7 +3,7 @@ ...@@ -3,7 +3,7 @@
This module presents the cx23415 OSD (onscreen display) framebuffer memory This module presents the cx23415 OSD (onscreen display) framebuffer memory
as a standard Linux /dev/fb style framebuffer device. The framebuffer has as a standard Linux /dev/fb style framebuffer device. The framebuffer has
support for 8,16 & 32 bpp packed pixel formats with alpha channel. In 16bpp support for 8, 16 & 32 bpp packed pixel formats with alpha channel. In 16bpp
mode, there is a choice of a three color depths (12, 15 or 16 bits), but no mode, there is a choice of a three color depths (12, 15 or 16 bits), but no
local alpha. The colorspace is selectable between rgb & yuv. local alpha. The colorspace is selectable between rgb & yuv.
Depending on the TV standard configured in the ivtv module at load time, Depending on the TV standard configured in the ivtv module at load time,
...@@ -111,7 +111,7 @@ MODULE_PARM_DESC(osd_laced, ...@@ -111,7 +111,7 @@ MODULE_PARM_DESC(osd_laced,
"\t\t\tdefault off"); "\t\t\tdefault off");
MODULE_PARM_DESC(osd_depth, MODULE_PARM_DESC(osd_depth,
"Bits per pixel - 8,16,32\n" "Bits per pixel - 8, 16, 32\n"
"\t\t\tdefault 8"); "\t\t\tdefault 8");
MODULE_PARM_DESC(osd_upper, MODULE_PARM_DESC(osd_upper,
...@@ -232,12 +232,13 @@ static int ivtv_fb_get_framebuffer(struct ivtv *itv, u32 *fbbase, ...@@ -232,12 +232,13 @@ static int ivtv_fb_get_framebuffer(struct ivtv *itv, u32 *fbbase,
static int ivtv_fb_get_osd_coords(struct ivtv *itv, static int ivtv_fb_get_osd_coords(struct ivtv *itv,
struct ivtv_osd_coords *osd) struct ivtv_osd_coords *osd)
{ {
struct osd_info *oi = itv->osd_info;
u32 data[CX2341X_MBOX_MAX_DATA]; u32 data[CX2341X_MBOX_MAX_DATA];
ivtv_vapi_result(itv, data, CX2341X_OSD_GET_OSD_COORDS, 0); ivtv_vapi_result(itv, data, CX2341X_OSD_GET_OSD_COORDS, 0);
osd->offset = data[0] - itv->osd_info->video_rbase; osd->offset = data[0] - oi->video_rbase;
osd->max_offset = itv->osd_info->display_width * itv->osd_info->display_height * 4; osd->max_offset = oi->display_width * oi->display_height * 4;
osd->pixel_stride = data[1]; osd->pixel_stride = data[1];
osd->lines = data[2]; osd->lines = data[2];
osd->x = data[3]; osd->x = data[3];
...@@ -247,20 +248,21 @@ static int ivtv_fb_get_osd_coords(struct ivtv *itv, ...@@ -247,20 +248,21 @@ static int ivtv_fb_get_osd_coords(struct ivtv *itv,
static int ivtv_fb_set_osd_coords(struct ivtv *itv, const struct ivtv_osd_coords *osd) static int ivtv_fb_set_osd_coords(struct ivtv *itv, const struct ivtv_osd_coords *osd)
{ {
itv->osd_info->display_width = osd->pixel_stride; struct osd_info *oi = itv->osd_info;
itv->osd_info->display_byte_stride = osd->pixel_stride * itv->osd_info->bytes_per_pixel;
itv->osd_info->set_osd_coords_x += osd->x; oi->display_width = osd->pixel_stride;
itv->osd_info->set_osd_coords_y = osd->y; oi->display_byte_stride = osd->pixel_stride * oi->bytes_per_pixel;
oi->set_osd_coords_x += osd->x;
oi->set_osd_coords_y = osd->y;
return ivtv_vapi(itv, CX2341X_OSD_SET_OSD_COORDS, 5, return ivtv_vapi(itv, CX2341X_OSD_SET_OSD_COORDS, 5,
osd->offset + itv->osd_info->video_rbase, osd->offset + oi->video_rbase,
osd->pixel_stride, osd->pixel_stride,
osd->lines, osd->x, osd->y); osd->lines, osd->x, osd->y);
} }
static int ivtv_fb_set_display_window(struct ivtv *itv, struct v4l2_rect *ivtv_window) static int ivtv_fb_set_display_window(struct ivtv *itv, struct v4l2_rect *ivtv_window)
{ {
int osd_height_limit = itv->is_50hz ? 576 : 480; int osd_height_limit = itv->is_50hz ? 576 : 480;
/* Only fail if resolution too high, otherwise fudge the start coords. */ /* Only fail if resolution too high, otherwise fudge the start coords. */
...@@ -269,13 +271,13 @@ static int ivtv_fb_set_display_window(struct ivtv *itv, struct v4l2_rect *ivtv_w ...@@ -269,13 +271,13 @@ static int ivtv_fb_set_display_window(struct ivtv *itv, struct v4l2_rect *ivtv_w
/* Ensure we don't exceed display limits */ /* Ensure we don't exceed display limits */
if (ivtv_window->top + ivtv_window->height > osd_height_limit) { if (ivtv_window->top + ivtv_window->height > osd_height_limit) {
IVTV_FB_DEBUG_WARN("ivtv_ioctl_fb_set_display_window - Invalid height setting (%d,%d)\n", IVTV_FB_DEBUG_WARN("ivtv_ioctl_fb_set_display_window - Invalid height setting (%d, %d)\n",
ivtv_window->top, ivtv_window->height); ivtv_window->top, ivtv_window->height);
ivtv_window->top = osd_height_limit - ivtv_window->height; ivtv_window->top = osd_height_limit - ivtv_window->height;
} }
if (ivtv_window->left + ivtv_window->width > IVTV_OSD_MAX_WIDTH) { if (ivtv_window->left + ivtv_window->width > IVTV_OSD_MAX_WIDTH) {
IVTV_FB_DEBUG_WARN("ivtv_ioctl_fb_set_display_window - Invalid width setting (%d,%d)\n", IVTV_FB_DEBUG_WARN("ivtv_ioctl_fb_set_display_window - Invalid width setting (%d, %d)\n",
ivtv_window->left, ivtv_window->width); ivtv_window->left, ivtv_window->width);
ivtv_window->left = IVTV_OSD_MAX_WIDTH - ivtv_window->width; ivtv_window->left = IVTV_OSD_MAX_WIDTH - ivtv_window->width;
} }
...@@ -344,7 +346,8 @@ static int ivtv_fb_prep_dec_dma_to_device(struct ivtv *itv, ...@@ -344,7 +346,8 @@ static int ivtv_fb_prep_dec_dma_to_device(struct ivtv *itv,
return ret; return ret;
} }
static int ivtv_fb_prep_frame(struct ivtv *itv, int cmd, void __user *source, unsigned long dest_offset, int count) static int ivtv_fb_prep_frame(struct ivtv *itv, int cmd, void __user *source,
unsigned long dest_offset, int count)
{ {
DEFINE_WAIT(wait); DEFINE_WAIT(wait);
...@@ -356,31 +359,28 @@ static int ivtv_fb_prep_frame(struct ivtv *itv, int cmd, void __user *source, un ...@@ -356,31 +359,28 @@ static int ivtv_fb_prep_frame(struct ivtv *itv, int cmd, void __user *source, un
/* Check Total FB Size */ /* Check Total FB Size */
if ((dest_offset + count) > itv->osd_info->video_buffer_size) { if ((dest_offset + count) > itv->osd_info->video_buffer_size) {
IVTV_FB_WARN( IVTV_FB_WARN("ivtv_fb_prep_frame: Overflowing the framebuffer %ld, only %d available\n",
"ivtv_fb_prep_frame: Overflowing the framebuffer %ld, " dest_offset + count, itv->osd_info->video_buffer_size);
"only %d available\n",
(dest_offset + count), itv->osd_info->video_buffer_size);
return -E2BIG; return -E2BIG;
} }
/* Not fatal, but will have undesirable results */ /* Not fatal, but will have undesirable results */
if ((unsigned long)source & 3) if ((unsigned long)source & 3)
IVTV_FB_WARN ("ivtv_fb_prep_frame: Source address not 32 bit aligned (0x%08lx)\n",(unsigned long)source); IVTV_FB_WARN("ivtv_fb_prep_frame: Source address not 32 bit aligned (0x%08lx)\n",
(unsigned long)source);
if (dest_offset & 3) if (dest_offset & 3)
IVTV_FB_WARN ("ivtv_fb_prep_frame: Dest offset not 32 bit aligned (%ld)\n",dest_offset); IVTV_FB_WARN("ivtv_fb_prep_frame: Dest offset not 32 bit aligned (%ld)\n", dest_offset);
if (count & 3) if (count & 3)
IVTV_FB_WARN ("ivtv_fb_prep_frame: Count not a multiple of 4 (%d)\n",count); IVTV_FB_WARN("ivtv_fb_prep_frame: Count not a multiple of 4 (%d)\n", count);
/* Check Source */ /* Check Source */
if (!access_ok(VERIFY_READ, source + dest_offset, count)) { if (!access_ok(VERIFY_READ, source + dest_offset, count)) {
IVTV_FB_WARN( IVTV_FB_WARN("Invalid userspace pointer 0x%08lx\n",
"Invalid userspace pointer!!! 0x%08lx\n",
(unsigned long)source); (unsigned long)source);
IVTV_FB_DEBUG_WARN( IVTV_FB_DEBUG_WARN("access_ok() failed for offset 0x%08lx source 0x%08lx count %d\n",
"access_ok() failed for offset 0x%08lx source 0x%08lx count %d\n",
dest_offset, (unsigned long)source, dest_offset, (unsigned long)source,
count); count);
return -EINVAL; return -EINVAL;
...@@ -397,17 +397,16 @@ static int ivtvfb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long ar ...@@ -397,17 +397,16 @@ static int ivtvfb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long ar
{ {
DEFINE_WAIT(wait); DEFINE_WAIT(wait);
struct ivtv *itv = (struct ivtv *)info->par; struct ivtv *itv = (struct ivtv *)info->par;
int rc=0; int rc = 0;
switch (cmd) { switch (cmd) {
case FBIOGET_VBLANK: { case FBIOGET_VBLANK: {
struct fb_vblank vblank; struct fb_vblank vblank;
u32 trace; u32 trace;
vblank.flags = FB_VBLANK_HAVE_COUNT |FB_VBLANK_HAVE_VCOUNT | vblank.flags = FB_VBLANK_HAVE_COUNT |FB_VBLANK_HAVE_VCOUNT |
FB_VBLANK_HAVE_VSYNC; FB_VBLANK_HAVE_VSYNC;
trace = read_reg (0x028c0) >> 16; trace = read_reg(0x028c0) >> 16;
if (itv->is_50hz && trace > 312) trace -= 312; if (itv->is_50hz && trace > 312) trace -= 312;
else if (itv->is_60hz && trace > 262) trace -= 262; else if (itv->is_60hz && trace > 262) trace -= 262;
if (trace == 1) vblank.flags |= FB_VBLANK_VSYNCING; if (trace == 1) vblank.flags |= FB_VBLANK_VSYNCING;
...@@ -419,12 +418,11 @@ static int ivtvfb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long ar ...@@ -419,12 +418,11 @@ static int ivtvfb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long ar
return 0; return 0;
} }
case FBIO_WAITFORVSYNC: { case FBIO_WAITFORVSYNC:
prepare_to_wait(&itv->vsync_waitq, &wait, TASK_INTERRUPTIBLE); prepare_to_wait(&itv->vsync_waitq, &wait, TASK_INTERRUPTIBLE);
if (!schedule_timeout(HZ/20)) rc = -ETIMEDOUT; if (!schedule_timeout(HZ/20)) rc = -ETIMEDOUT;
finish_wait (&itv->vsync_waitq, &wait); finish_wait(&itv->vsync_waitq, &wait);
return rc; return rc;
}
case IVTVFB_IOCTL_PREP_FRAME: { case IVTVFB_IOCTL_PREP_FRAME: {
struct ivtvfb_ioctl_dma_host_to_ivtv_args args; struct ivtvfb_ioctl_dma_host_to_ivtv_args args;
...@@ -437,7 +435,7 @@ static int ivtvfb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long ar ...@@ -437,7 +435,7 @@ static int ivtvfb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long ar
} }
default: default:
IVTV_FB_ERR("Unknown IOCTL %d\n",cmd); IVTV_FB_ERR("Unknown IOCTL %d\n", cmd);
return -EINVAL; return -EINVAL;
} }
return 0; return 0;
...@@ -447,7 +445,6 @@ static int ivtvfb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long ar ...@@ -447,7 +445,6 @@ static int ivtvfb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long ar
static int ivtvfb_set_var(struct ivtv *itv, struct fb_var_screeninfo *var) static int ivtvfb_set_var(struct ivtv *itv, struct fb_var_screeninfo *var)
{ {
struct ivtv_osd_coords ivtv_osd; struct ivtv_osd_coords ivtv_osd;
struct v4l2_rect ivtv_window; struct v4l2_rect ivtv_window;
...@@ -455,9 +452,9 @@ static int ivtvfb_set_var(struct ivtv *itv, struct fb_var_screeninfo *var) ...@@ -455,9 +452,9 @@ static int ivtvfb_set_var(struct ivtv *itv, struct fb_var_screeninfo *var)
/* Select color space */ /* Select color space */
if (var->nonstd) /* YUV */ if (var->nonstd) /* YUV */
write_reg (read_reg(0x02a00) | 0x0002000,0x02a00); write_reg(read_reg(0x02a00) | 0x0002000, 0x02a00);
else /* RGB */ else /* RGB */
write_reg (read_reg(0x02a00) & ~0x0002000,0x02a00); write_reg(read_reg(0x02a00) & ~0x0002000, 0x02a00);
/* Set the color mode /* Set the color mode
Although rare, occasionally things go wrong. The extra mode Although rare, occasionally things go wrong. The extra mode
...@@ -525,8 +522,8 @@ static int ivtvfb_set_var(struct ivtv *itv, struct fb_var_screeninfo *var) ...@@ -525,8 +522,8 @@ static int ivtvfb_set_var(struct ivtv *itv, struct fb_var_screeninfo *var)
ivtv_window.height = var->yres; ivtv_window.height = var->yres;
/* Minimum margin cannot be 0, as X won't allow such a mode */ /* Minimum margin cannot be 0, as X won't allow such a mode */
if (!var->upper_margin) var->upper_margin ++; if (!var->upper_margin) var->upper_margin++;
if (!var->left_margin) var->left_margin ++; if (!var->left_margin) var->left_margin++;
ivtv_window.top = var->upper_margin - 1; ivtv_window.top = var->upper_margin - 1;
ivtv_window.left = var->left_margin - 1; ivtv_window.left = var->left_margin - 1;
...@@ -535,48 +532,36 @@ static int ivtvfb_set_var(struct ivtv *itv, struct fb_var_screeninfo *var) ...@@ -535,48 +532,36 @@ static int ivtvfb_set_var(struct ivtv *itv, struct fb_var_screeninfo *var)
/* Force update of yuv registers */ /* Force update of yuv registers */
itv->yuv_info.yuv_forced_update = 1; itv->yuv_info.yuv_forced_update = 1;
IVTV_FB_INFO("=== Display mode change ===\n"); IVTV_FB_DEBUG_INFO("Display size: %dx%d (virtual %dx%d) @ %dbpp\n",
IVTV_FB_INFO("Display size %dx%d (%dx%d Virtual) @ %dbpp\n", var->xres, var->yres,
var->xres, var->xres_virtual, var->yres_virtual,
var->yres,
var->xres_virtual,
var->yres_virtual,
var->bits_per_pixel); var->bits_per_pixel);
IVTV_FB_INFO("Display position %d,%d\n", IVTV_FB_DEBUG_INFO("Display position: %d, %d\n",
var->left_margin, var->left_margin, var->upper_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_DEBUG_INFO("Display filter: %s\n",
IVTV_FB_INFO("Color space : YUV\n"); (var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED ? "on" : "off");
} IVTV_FB_DEBUG_INFO("Color space: %s\n", var->nonstd ? "YUV" : "RGB");
else {
IVTV_FB_INFO("Color space : RGB\n");
}
return 0; return 0;
} }
static int ivtvfb_get_fix(struct ivtv *itv, struct fb_fix_screeninfo *fix) static int ivtvfb_get_fix(struct ivtv *itv, struct fb_fix_screeninfo *fix)
{ {
IVTV_FB_DEBUG_INFO ("ivtvfb_get_fix\n"); struct osd_info *oi = itv->osd_info;
IVTV_FB_DEBUG_INFO("ivtvfb_get_fix\n");
memset(fix, 0, sizeof(struct fb_fix_screeninfo)); memset(fix, 0, sizeof(struct fb_fix_screeninfo));
strcpy(fix->id, "cx23415 TV out"); strcpy(fix->id, "cx23415 TV out");
fix->smem_start = itv->osd_info->video_pbase; fix->smem_start = oi->video_pbase;
fix->smem_len = itv->osd_info->video_buffer_size; fix->smem_len = oi->video_buffer_size;
fix->type = FB_TYPE_PACKED_PIXELS; fix->type = FB_TYPE_PACKED_PIXELS;
fix->visual = (itv->osd_info->bits_per_pixel == 8) ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR; fix->visual = (oi->bits_per_pixel == 8) ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR;
fix->xpanstep = 1; fix->xpanstep = 1;
fix->ypanstep = 1; fix->ypanstep = 1;
fix->ywrapstep = 0; fix->ywrapstep = 0;
fix->line_length = itv->osd_info->display_byte_stride; fix->line_length = oi->display_byte_stride;
fix->accel = FB_ACCEL_NONE; fix->accel = FB_ACCEL_NONE;
return 0; return 0;
} }
...@@ -586,14 +571,15 @@ static int ivtvfb_get_fix(struct ivtv *itv, struct fb_fix_screeninfo *fix) ...@@ -586,14 +571,15 @@ static int ivtvfb_get_fix(struct ivtv *itv, struct fb_fix_screeninfo *fix)
static int _ivtvfb_check_var(struct fb_var_screeninfo *var, struct ivtv *itv) static int _ivtvfb_check_var(struct fb_var_screeninfo *var, struct ivtv *itv)
{ {
struct osd_info *oi = itv->osd_info;
int osd_height_limit = itv->is_50hz ? 576 : 480; int osd_height_limit = itv->is_50hz ? 576 : 480;
IVTV_FB_DEBUG_INFO ("ivtvfb_check_var\n"); IVTV_FB_DEBUG_INFO("ivtvfb_check_var\n");
/* Check the bits per pixel */ /* Check the bits per pixel */
if (osd_compat) { if (osd_compat) {
if (var->bits_per_pixel != 32) { if (var->bits_per_pixel != 32) {
IVTV_FB_DEBUG_WARN ("Invalid colour mode: %d\n",var->bits_per_pixel); IVTV_FB_DEBUG_WARN("Invalid colour mode: %d\n", var->bits_per_pixel);
return -EINVAL; return -EINVAL;
} }
} }
...@@ -609,11 +595,12 @@ static int _ivtvfb_check_var(struct fb_var_screeninfo *var, struct ivtv *itv) ...@@ -609,11 +595,12 @@ static int _ivtvfb_check_var(struct fb_var_screeninfo *var, struct ivtv *itv)
var->blue.length = 8; var->blue.length = 8;
} }
else if (var->bits_per_pixel == 16) { else if (var->bits_per_pixel == 16) {
var->transp.offset = 0;
var->transp.length = 0;
/* To find out the true mode, check green length */ /* To find out the true mode, check green length */
switch (var->green.length) { switch (var->green.length) {
case 4: case 4:
var->transp.offset = 0;
var->transp.length = 0;
var->red.offset = 8; var->red.offset = 8;
var->red.length = 4; var->red.length = 4;
var->green.offset = 4; var->green.offset = 4;
...@@ -622,8 +609,6 @@ static int _ivtvfb_check_var(struct fb_var_screeninfo *var, struct ivtv *itv) ...@@ -622,8 +609,6 @@ static int _ivtvfb_check_var(struct fb_var_screeninfo *var, struct ivtv *itv)
var->blue.length = 4; var->blue.length = 4;
break; break;
case 5: case 5:
var->transp.offset = 0;
var->transp.length = 0;
var->red.offset = 10; var->red.offset = 10;
var->red.length = 5; var->red.length = 5;
var->green.offset = 5; var->green.offset = 5;
...@@ -632,8 +617,6 @@ static int _ivtvfb_check_var(struct fb_var_screeninfo *var, struct ivtv *itv) ...@@ -632,8 +617,6 @@ static int _ivtvfb_check_var(struct fb_var_screeninfo *var, struct ivtv *itv)
var->blue.length = 5; var->blue.length = 5;
break; break;
default: default:
var->transp.offset = 0;
var->transp.length = 0;
var->red.offset = 11; var->red.offset = 11;
var->red.length = 5; var->red.length = 5;
var->green.offset = 5; var->green.offset = 5;
...@@ -644,33 +627,34 @@ static int _ivtvfb_check_var(struct fb_var_screeninfo *var, struct ivtv *itv) ...@@ -644,33 +627,34 @@ static int _ivtvfb_check_var(struct fb_var_screeninfo *var, struct ivtv *itv)
} }
} }
else { else {
IVTV_FB_DEBUG_WARN ("Invalid colour mode: %d\n",var->bits_per_pixel); IVTV_FB_DEBUG_WARN("Invalid colour mode: %d\n", var->bits_per_pixel);
return -EINVAL; return -EINVAL;
} }
/* Check the resolution */ /* Check the resolution */
if (osd_compat) { if (osd_compat) {
if (var->xres != itv->osd_info->ivtvfb_defined.xres || var->yres != itv->osd_info->ivtvfb_defined.yres || if (var->xres != oi->ivtvfb_defined.xres ||
var->xres_virtual != itv->osd_info->ivtvfb_defined.xres_virtual || var->yres_virtual != var->yres != oi->ivtvfb_defined.yres ||
itv->osd_info->ivtvfb_defined.yres_virtual) { var->xres_virtual != oi->ivtvfb_defined.xres_virtual ||
IVTV_FB_DEBUG_WARN ("Invalid resolution: %d x %d (%d x %d Virtual)\n", var->yres_virtual != oi->ivtvfb_defined.yres_virtual) {
var->xres,var->yres, var->xres_virtual,var->yres_virtual); IVTV_FB_DEBUG_WARN("Invalid resolution: %dx%d (virtual %dx%d)\n",
var->xres, var->yres, var->xres_virtual, var->yres_virtual);
return -EINVAL; return -EINVAL;
} }
} }
else { else {
if (var->xres > IVTV_OSD_MAX_WIDTH || var->yres > osd_height_limit ) { if (var->xres > IVTV_OSD_MAX_WIDTH || var->yres > osd_height_limit) {
IVTV_FB_DEBUG_WARN ("Invalid resolution: %d x %d\n", IVTV_FB_DEBUG_WARN("Invalid resolution: %dx%d\n",
var->xres,var->yres); var->xres, var->yres);
return -EINVAL; return -EINVAL;
} }
/* Max horizontal size is 1023 @ 32bpp, 2046 & 16bpp, 4092 @ 8bpp */ /* Max horizontal size is 1023 @ 32bpp, 2046 & 16bpp, 4092 @ 8bpp */
if (var->xres_virtual > 4095 / (var->bits_per_pixel / 8) || if (var->xres_virtual > 4095 / (var->bits_per_pixel / 8) ||
var->xres_virtual * var->yres_virtual * (var->bits_per_pixel/8) > itv->osd_info->video_buffer_size || var->xres_virtual * var->yres_virtual * (var->bits_per_pixel / 8) > oi->video_buffer_size ||
var->xres_virtual < var->xres || var->xres_virtual < var->xres ||
var->yres_virtual < var->yres) { var->yres_virtual < var->yres) {
IVTV_FB_DEBUG_WARN ("Invalid virtual resolution: %d x %d\n", IVTV_FB_DEBUG_WARN("Invalid virtual resolution: %dx%d\n",
var->xres_virtual, var->yres_virtual); var->xres_virtual, var->yres_virtual);
return -EINVAL; return -EINVAL;
} }
...@@ -680,43 +664,43 @@ static int _ivtvfb_check_var(struct fb_var_screeninfo *var, struct ivtv *itv) ...@@ -680,43 +664,43 @@ static int _ivtvfb_check_var(struct fb_var_screeninfo *var, struct ivtv *itv)
if (var->bits_per_pixel == 8) { if (var->bits_per_pixel == 8) {
/* Width must be a multiple of 4 */ /* Width must be a multiple of 4 */
if (var->xres & 3) { 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; return -EINVAL;
} }
if (var->xres_virtual & 3) { 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; return -EINVAL;
} }
} }
else if (var->bits_per_pixel == 16) { else if (var->bits_per_pixel == 16) {
/* Width must be a multiple of 2 */ /* Width must be a multiple of 2 */
if (var->xres & 1) { 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; return -EINVAL;
} }
if (var->xres_virtual & 1) { 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; return -EINVAL;
} }
} }
/* Now check the offsets */ /* Now check the offsets */
if (var->xoffset >= var->xres_virtual || var->yoffset >= var->yres_virtual) { 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, IVTV_FB_DEBUG_WARN("Invalid offset: %d (%d) %d (%d)\n",
var->yoffset,var->yres_virtual); var->xoffset, var->xres_virtual, var->yoffset, var->yres_virtual);
return -EINVAL; return -EINVAL;
} }
/* Check pixel format */ /* Check pixel format */
if (var->nonstd > 1) { 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; return -EINVAL;
} }
/* Check video mode */ /* Check video mode */
if (((var->vmode & FB_VMODE_MASK) != FB_VMODE_NONINTERLACED) && if (((var->vmode & FB_VMODE_MASK) != FB_VMODE_NONINTERLACED) &&
((var->vmode & FB_VMODE_MASK) != FB_VMODE_INTERLACED)) { ((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; return -EINVAL;
} }
...@@ -732,8 +716,8 @@ static int _ivtvfb_check_var(struct fb_var_screeninfo *var, struct ivtv *itv) ...@@ -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 */ /* Maintain overall 'size' for a constant refresh rate */
var->right_margin = itv->osd_info->hlimit - var->left_margin - var->xres; var->right_margin = oi->hlimit - var->left_margin - var->xres;
var->lower_margin = itv->osd_info->vlimit - var->upper_margin - var->yres; var->lower_margin = oi->vlimit - var->upper_margin - var->yres;
/* Fixed sync times */ /* Fixed sync times */
var->hsync_len = 24; var->hsync_len = 24;
...@@ -742,45 +726,29 @@ static int _ivtvfb_check_var(struct fb_var_screeninfo *var, struct ivtv *itv) ...@@ -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 /* Non-interlaced / interlaced mode is used to switch the OSD filter
on or off. Adjust the clock timings to maintain a constant on or off. Adjust the clock timings to maintain a constant
vertical refresh rate. */ vertical refresh rate. */
var->pixclock = itv->osd_info->pixclock; var->pixclock = oi->pixclock;
if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED) if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED)
var->pixclock /= 2; var->pixclock /= 2;
IVTV_FB_DEBUG_INFO ("ivtvfb_check_var - Parameters validated\n"); IVTV_FB_DEBUG_INFO("Display size: %dx%d (virtual %dx%d) @ %dbpp\n",
var->xres, var->yres,
IVTV_FB_INFO("=== Validated display mode ===\n"); var->xres_virtual, var->yres_virtual,
IVTV_FB_INFO("Display size %dx%d (%dx%d Virtual) @ %dbpp\n",
var->xres,
var->yres,
var->xres_virtual,
var->yres_virtual,
var->bits_per_pixel); var->bits_per_pixel);
IVTV_FB_INFO("Display position %d,%d\n", IVTV_FB_DEBUG_INFO("Display position: %d, %d\n",
var->left_margin, var->left_margin, var->upper_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_DEBUG_INFO("Display filter: %s\n",
IVTV_FB_INFO("Color space : YUV\n"); (var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED ? "on" : "off");
} IVTV_FB_DEBUG_INFO("Color space: %s\n", var->nonstd ? "YUV" : "RGB");
else {
IVTV_FB_INFO("Color space : RGB\n");
}
return 0; return 0;
} }
static int ivtvfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) static int ivtvfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
{ {
struct ivtv *itv = (struct ivtv *) info->par; struct ivtv *itv = (struct ivtv *) info->par;
IVTV_FB_DEBUG_INFO ("ivtvfb_check_var\n"); IVTV_FB_DEBUG_INFO("ivtvfb_check_var\n");
return _ivtvfb_check_var (var,itv); return _ivtvfb_check_var(var, itv);
} }
static int ivtvfb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info) 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 ...@@ -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; struct ivtv *itv = (struct ivtv *) info->par;
osd_pan_index = (var->xoffset + (var->yoffset * var->xres_virtual))*var->bits_per_pixel/8; 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 */ /* Pass this info back the yuv handler */
itv->yuv_info.osd_x_pan = var->xoffset; itv->yuv_info.osd_x_pan = var->xoffset;
...@@ -804,11 +772,11 @@ static int ivtvfb_set_par(struct fb_info *info) ...@@ -804,11 +772,11 @@ static int ivtvfb_set_par(struct fb_info *info)
int rc = 0; int rc = 0;
struct ivtv *itv = (struct ivtv *) info->par; 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); rc = ivtvfb_set_var(itv, &info->var);
ivtvfb_pan_display(&info->var, info); ivtvfb_pan_display(&info->var, info);
ivtvfb_get_fix (itv, &info->fix); ivtvfb_get_fix(itv, &info->fix);
return rc; return rc;
} }
...@@ -817,7 +785,7 @@ static int ivtvfb_setcolreg(unsigned regno, unsigned red, unsigned green, ...@@ -817,7 +785,7 @@ static int ivtvfb_setcolreg(unsigned regno, unsigned red, unsigned green,
struct fb_info *info) struct fb_info *info)
{ {
u32 color, *palette; u32 color, *palette;
struct ivtv *itv = (struct ivtv *) info->par; struct ivtv *itv = (struct ivtv *)info->par;
if (regno >= info->cmap.len) if (regno >= info->cmap.len)
return -EINVAL; return -EINVAL;
...@@ -826,8 +794,8 @@ static int ivtvfb_setcolreg(unsigned regno, unsigned red, unsigned green, ...@@ -826,8 +794,8 @@ static int ivtvfb_setcolreg(unsigned regno, unsigned red, unsigned green,
if (info->var.bits_per_pixel <= 8) { if (info->var.bits_per_pixel <= 8) {
write_reg(regno, 0x02a30); write_reg(regno, 0x02a30);
write_reg(color, 0x02a34); write_reg(color, 0x02a34);
return 0;
} }
else {
if (regno >= 16) if (regno >= 16)
return -EINVAL; return -EINVAL;
...@@ -852,8 +820,6 @@ static int ivtvfb_setcolreg(unsigned regno, unsigned red, unsigned green, ...@@ -852,8 +820,6 @@ static int ivtvfb_setcolreg(unsigned regno, unsigned red, unsigned green,
} }
} }
palette[regno] = color; palette[regno] = color;
}
return 0; return 0;
} }
...@@ -863,7 +829,7 @@ static int ivtvfb_blank(int blank_mode, struct fb_info *info) ...@@ -863,7 +829,7 @@ static int ivtvfb_blank(int blank_mode, struct fb_info *info)
{ {
struct ivtv *itv = (struct ivtv *)info->par; 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) { switch (blank_mode) {
case FB_BLANK_UNBLANK: case FB_BLANK_UNBLANK:
ivtv_vapi(itv, CX2341X_OSD_SET_STATE, 1, 1); ivtv_vapi(itv, CX2341X_OSD_SET_STATE, 1, 1);
...@@ -898,27 +864,28 @@ static struct fb_ops ivtvfb_ops = { ...@@ -898,27 +864,28 @@ static struct fb_ops ivtvfb_ops = {
/* Setup our initial video mode */ /* Setup our initial video mode */
static int ivtvfb_init_vidmode(struct ivtv *itv) static int ivtvfb_init_vidmode(struct ivtv *itv)
{ {
int max_height; struct osd_info *oi = itv->osd_info;
struct v4l2_rect start_window; struct v4l2_rect start_window;
int max_height;
/* Set base references for mode calcs. */ /* Set base references for mode calcs. */
if (itv->is_50hz) { if (itv->is_50hz) {
itv->osd_info->pixclock = 84316; oi->pixclock = 84316;
itv->osd_info->hlimit = 776; oi->hlimit = 776;
itv->osd_info->vlimit = 591; oi->vlimit = 591;
} }
else { else {
itv->osd_info->pixclock = 83926; oi->pixclock = 83926;
itv->osd_info->hlimit = 776; oi->hlimit = 776;
itv->osd_info->vlimit = 495; oi->vlimit = 495;
} }
/* Color mode */ /* Color mode */
if (osd_compat) osd_depth = 32; if (osd_compat) osd_depth = 32;
if (osd_depth != 8 && osd_depth != 16 && osd_depth != 32) osd_depth = 8; if (osd_depth != 8 && osd_depth != 16 && osd_depth != 32) osd_depth = 8;
itv->osd_info->bits_per_pixel = osd_depth; oi->bits_per_pixel = osd_depth;
itv->osd_info->bytes_per_pixel = itv->osd_info->bits_per_pixel / 8; oi->bytes_per_pixel = oi->bits_per_pixel / 8;
/* Horizontal size & position */ /* Horizontal size & position */
...@@ -937,97 +904,93 @@ static int ivtvfb_init_vidmode(struct ivtv *itv) ...@@ -937,97 +904,93 @@ static int ivtvfb_init_vidmode(struct ivtv *itv)
/* Check horizontal start (osd_left). */ /* Check horizontal start (osd_left). */
if (osd_left && osd_left + start_window.width > 721) { 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; osd_left = 0;
} }
/* Hardware coords start at 0, user coords start at 1. */ /* Hardware coords start at 0, user coords start at 1. */
osd_left --; osd_left--;
start_window.left = start_window.left = osd_left >= 0 ? osd_left : ((IVTV_OSD_MAX_WIDTH - start_window.width) / 2);
osd_left >= 0 ? osd_left : ((IVTV_OSD_MAX_WIDTH - start_window.width) / 2);
itv->osd_info->display_byte_stride = oi->display_byte_stride =
start_window.width * itv->osd_info->bytes_per_pixel; start_window.width * oi->bytes_per_pixel;
/* Vertical size & position */ /* Vertical size & position */
max_height = itv->is_50hz ? 576 : 480; 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) if (osd_yres)
start_window.height = osd_yres; start_window.height = osd_yres;
else {
if (itv->is_50hz)
start_window.height = osd_compat ? max_height : 480;
else else
start_window.height = osd_compat ? max_height : 400; start_window.height = osd_compat ? max_height : (itv->is_50hz ? 480 : 400);
}
/* Check vertical start (osd_upper). */ /* Check vertical start (osd_upper). */
if (osd_upper + start_window.height > max_height + 1) { 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; osd_upper = 0;
} }
/* Hardware coords start at 0, user coords start at 1. */ /* 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); start_window.top = osd_upper >= 0 ? osd_upper : ((max_height - start_window.height) / 2);
itv->osd_info->display_width = start_window.width; oi->display_width = start_window.width;
itv->osd_info->display_height = start_window.height; oi->display_height = start_window.height;
/* Generate a valid fb_var_screeninfo */ /* Generate a valid fb_var_screeninfo */
itv->osd_info->ivtvfb_defined.xres = itv->osd_info->display_width; oi->ivtvfb_defined.xres = oi->display_width;
itv->osd_info->ivtvfb_defined.yres = itv->osd_info->display_height; oi->ivtvfb_defined.yres = oi->display_height;
itv->osd_info->ivtvfb_defined.xres_virtual = itv->osd_info->display_width; oi->ivtvfb_defined.xres_virtual = oi->display_width;
itv->osd_info->ivtvfb_defined.yres_virtual = itv->osd_info->display_height; oi->ivtvfb_defined.yres_virtual = oi->display_height;
itv->osd_info->ivtvfb_defined.bits_per_pixel = itv->osd_info->bits_per_pixel; oi->ivtvfb_defined.bits_per_pixel = oi->bits_per_pixel;
itv->osd_info->ivtvfb_defined.vmode = (osd_laced ? FB_VMODE_INTERLACED : FB_VMODE_NONINTERLACED); oi->ivtvfb_defined.vmode = (osd_laced ? FB_VMODE_INTERLACED : FB_VMODE_NONINTERLACED);
itv->osd_info->ivtvfb_defined.left_margin = start_window.left + 1; oi->ivtvfb_defined.left_margin = start_window.left + 1;
itv->osd_info->ivtvfb_defined.upper_margin = start_window.top + 1; oi->ivtvfb_defined.upper_margin = start_window.top + 1;
itv->osd_info->ivtvfb_defined.accel_flags = FB_ACCEL_NONE; oi->ivtvfb_defined.accel_flags = FB_ACCEL_NONE;
itv->osd_info->ivtvfb_defined.nonstd = 0; oi->ivtvfb_defined.nonstd = 0;
/* We've filled in the most data, let the usual mode check /* We've filled in the most data, let the usual mode check
routine fill in the rest. */ 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 */ /* 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 */ /* Generate valid fb_info */
itv->osd_info->ivtvfb_info.node = -1; oi->ivtvfb_info.node = -1;
itv->osd_info->ivtvfb_info.flags = FBINFO_FLAG_DEFAULT; oi->ivtvfb_info.flags = FBINFO_FLAG_DEFAULT;
itv->osd_info->ivtvfb_info.fbops = &ivtvfb_ops; oi->ivtvfb_info.fbops = &ivtvfb_ops;
itv->osd_info->ivtvfb_info.par = itv; oi->ivtvfb_info.par = itv;
itv->osd_info->ivtvfb_info.var = itv->osd_info->ivtvfb_defined; oi->ivtvfb_info.var = oi->ivtvfb_defined;
itv->osd_info->ivtvfb_info.fix = itv->osd_info->ivtvfb_fix; oi->ivtvfb_info.fix = oi->ivtvfb_fix;
itv->osd_info->ivtvfb_info.screen_base = (u8 __iomem *)itv->osd_info->video_vbase; oi->ivtvfb_info.screen_base = (u8 __iomem *)oi->video_vbase;
itv->osd_info->ivtvfb_info.fbops = &ivtvfb_ops; oi->ivtvfb_info.fbops = &ivtvfb_ops;
/* Supply some monitor specs. Bogus values will do for now */ /* Supply some monitor specs. Bogus values will do for now */
itv->osd_info->ivtvfb_info.monspecs.hfmin = 8000; oi->ivtvfb_info.monspecs.hfmin = 8000;
itv->osd_info->ivtvfb_info.monspecs.hfmax = 70000; oi->ivtvfb_info.monspecs.hfmax = 70000;
itv->osd_info->ivtvfb_info.monspecs.vfmin = 10; oi->ivtvfb_info.monspecs.vfmin = 10;
itv->osd_info->ivtvfb_info.monspecs.vfmax = 100; oi->ivtvfb_info.monspecs.vfmax = 100;
/* Allocate color map */ /* Allocate color map */
if (fb_alloc_cmap(&itv->osd_info->ivtvfb_info.cmap, 256, 1)) { if (fb_alloc_cmap(&oi->ivtvfb_info.cmap, 256, 1)) {
IVTV_FB_ERR ("abort, unable to alloc cmap\n"); IVTV_FB_ERR("abort, unable to alloc cmap\n");
return -ENOMEM; return -ENOMEM;
} }
/* Allocate the pseudo palette */ /* 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) { if (!oi->ivtvfb_info.pseudo_palette) {
IVTV_FB_ERR ("abort, unable to alloc pseudo pallete\n"); IVTV_FB_ERR("abort, unable to alloc pseudo pallete\n");
return -ENOMEM; return -ENOMEM;
} }
...@@ -1038,51 +1001,53 @@ static int ivtvfb_init_vidmode(struct ivtv *itv) ...@@ -1038,51 +1001,53 @@ static int ivtvfb_init_vidmode(struct ivtv *itv)
static int ivtvfb_init_io(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 /* 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 on the PVR350 itself. For now we'll hardcode the smallest osd buffer
size to prevent any overlap. */ 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; oi->video_pbase = itv->base_addr + IVTV_DECODER_OFFSET + oi->video_rbase;
itv->osd_info->video_vbase = itv->dec_mem + itv->osd_info->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", 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; return -EIO;
} }
IVTV_FB_INFO("Framebuffer at 0x%lx, mapped to 0x%p, size %dk\n", IVTV_FB_INFO("Framebuffer at 0x%lx, mapped to 0x%p, size %dk\n",
itv->osd_info->video_pbase, itv->osd_info->video_vbase, oi->video_pbase, oi->video_vbase,
itv->osd_info->video_buffer_size / 1024); oi->video_buffer_size / 1024);
#ifdef CONFIG_MTRR #ifdef CONFIG_MTRR
{ {
/* Find the largest power of two that maps the whole buffer */ /* Find the largest power of two that maps the whole buffer */
int size_shift = 31; 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--;
} }
size_shift++; size_shift++;
itv->osd_info->fb_start_aligned_physaddr = itv->osd_info->video_pbase & ~((1 << size_shift) - 1); oi->fb_start_aligned_physaddr = oi->video_pbase & ~((1 << size_shift) - 1);
itv->osd_info->fb_end_aligned_physaddr = itv->osd_info->video_pbase + itv->osd_info->video_buffer_size; oi->fb_end_aligned_physaddr = oi->video_pbase + oi->video_buffer_size;
itv->osd_info->fb_end_aligned_physaddr += (1 << size_shift) - 1; oi->fb_end_aligned_physaddr += (1 << size_shift) - 1;
itv->osd_info->fb_end_aligned_physaddr &= ~((1 << size_shift) - 1); oi->fb_end_aligned_physaddr &= ~((1 << size_shift) - 1);
if (mtrr_add(itv->osd_info->fb_start_aligned_physaddr, if (mtrr_add(oi->fb_start_aligned_physaddr,
itv->osd_info->fb_end_aligned_physaddr - itv->osd_info->fb_start_aligned_physaddr, oi->fb_end_aligned_physaddr - oi->fb_start_aligned_physaddr,
MTRR_TYPE_WRCOMB, 1) < 0) { MTRR_TYPE_WRCOMB, 1) < 0) {
IVTV_FB_ERR("warning: mtrr_add() failed to add write combining region 0x%08x-0x%08x\n", IVTV_FB_WARN("cannot use mttr\n");
(unsigned int)itv->osd_info->fb_start_aligned_physaddr, oi->fb_start_aligned_physaddr = 0;
(unsigned int)itv->osd_info->fb_end_aligned_physaddr); oi->fb_end_aligned_physaddr = 0;
} }
} }
#endif /* CONFIG_MTRR */ #endif
/* Blank the entire osd. */ /* 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; return 0;
} }
...@@ -1090,26 +1055,30 @@ static int ivtvfb_init_io(struct ivtv *itv) ...@@ -1090,26 +1055,30 @@ static int ivtvfb_init_io(struct ivtv *itv)
/* Release any memory we've grabbed & remove mtrr entry */ /* Release any memory we've grabbed & remove mtrr entry */
static void ivtvfb_release_buffers (struct ivtv *itv) static void ivtvfb_release_buffers (struct ivtv *itv)
{ {
struct osd_info *oi = itv->osd_info;
/* Release cmap */ /* Release cmap */
if (itv->osd_info->ivtvfb_info.cmap.len); if (oi->ivtvfb_info.cmap.len);
fb_dealloc_cmap(&itv->osd_info->ivtvfb_info.cmap); fb_dealloc_cmap(&oi->ivtvfb_info.cmap);
/* Release pseudo palette */ /* Release pseudo palette */
if (itv->osd_info->ivtvfb_info.pseudo_palette) if (oi->ivtvfb_info.pseudo_palette)
kfree(itv->osd_info->ivtvfb_info.pseudo_palette); kfree(oi->ivtvfb_info.pseudo_palette);
#ifdef CONFIG_MTRR #ifdef CONFIG_MTRR
mtrr_del(-1, itv->osd_info->fb_start_aligned_physaddr, if (oi->fb_end_aligned_physaddr) {
(itv->osd_info->fb_end_aligned_physaddr - itv->osd_info->fb_start_aligned_physaddr)); mtrr_del(-1, oi->fb_start_aligned_physaddr,
#endif /* CONFIG_MTRR */ oi->fb_end_aligned_physaddr - oi->fb_start_aligned_physaddr);
}
#endif
kfree(itv->osd_info); kfree(oi);
itv->osd_info = NULL; itv->osd_info = NULL;
} }
/* Initialize the specified card */ /* Initialize the specified card */
static int ivtvfb_init_card (struct ivtv *itv) static int ivtvfb_init_card(struct ivtv *itv)
{ {
int rc; int rc;
...@@ -1125,11 +1094,11 @@ static int ivtvfb_init_card (struct ivtv *itv) ...@@ -1125,11 +1094,11 @@ static int ivtvfb_init_card (struct ivtv *itv)
} }
/* Find & setup the OSD buffer */ /* Find & setup the OSD buffer */
if ((rc = ivtvfb_init_io (itv))) if ((rc = ivtvfb_init_io(itv)))
return rc; return rc;
/* Set the startup video mode information */ /* Set the startup video mode information */
if ((rc = ivtvfb_init_vidmode (itv))) { if ((rc = ivtvfb_init_vidmode(itv))) {
ivtvfb_release_buffers(itv); ivtvfb_release_buffers(itv);
return rc; return rc;
} }
......
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