return 0;
}
+static int omap_crtc_set_property(struct drm_crtc *crtc,
+ struct drm_property *property, uint64_t val)
+{
+ struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
+ return omap_plane_set_property(omap_crtc->plane, property, val);
+}
+
static const struct drm_crtc_funcs omap_crtc_funcs = {
.set_config = drm_crtc_helper_set_config,
.destroy = omap_crtc_destroy,
.page_flip = omap_crtc_page_flip_locked,
+ .set_property = omap_crtc_set_property,
};
static const struct drm_crtc_helper_funcs omap_crtc_helper_funcs = {
drm_crtc_init(dev, crtc, &omap_crtc_funcs);
drm_crtc_helper_add(crtc, &omap_crtc_helper_funcs);
+ omap_plane_install_properties(omap_crtc->plane, &crtc->base);
+
return crtc;
fail:
* Utils
*/
-/* calculate the tiler space address of a pixel in a view orientation */
-static u32 tiler_get_address(u32 orient, enum tiler_fmt fmt, u32 x, u32 y)
+/* calculate the tiler space address of a pixel in a view orientation...
+ * below description copied from the display subsystem section of TRM:
+ *
+ * When the TILER is addressed, the bits:
+ * [28:27] = 0x0 for 8-bit tiled
+ * 0x1 for 16-bit tiled
+ * 0x2 for 32-bit tiled
+ * 0x3 for page mode
+ * [31:29] = 0x0 for 0-degree view
+ * 0x1 for 180-degree view + mirroring
+ * 0x2 for 0-degree view + mirroring
+ * 0x3 for 180-degree view
+ * 0x4 for 270-degree view + mirroring
+ * 0x5 for 270-degree view
+ * 0x6 for 90-degree view
+ * 0x7 for 90-degree view + mirroring
+ * Otherwise the bits indicated the corresponding bit address to access
+ * the SDRAM.
+ */
+static u32 tiler_get_address(enum tiler_fmt fmt, u32 orient, u32 x, u32 y)
{
u32 x_bits, y_bits, tmp, x_mask, y_mask, alignment;
x_mask = MASK(x_bits);
y_mask = MASK(y_bits);
- if (x < 0 || x > x_mask || y < 0 || y > y_mask)
+ if (x < 0 || x > x_mask || y < 0 || y > y_mask) {
+ DBG("invalid coords: %u < 0 || %u > %u || %u < 0 || %u > %u",
+ x, x, x_mask, y, y, y_mask);
return 0;
+ }
/* account for mirroring */
if (orient & MASK_X_INVERT)
{
BUG_ON(!validfmt(block->fmt));
- return TILVIEW_8BIT + tiler_get_address(0, block->fmt,
+ return TILVIEW_8BIT + tiler_get_address(block->fmt, 0,
block->area.p0.x * geom[block->fmt].slot_w,
block->area.p0.y * geom[block->fmt].slot_h);
}
+dma_addr_t tiler_tsptr(struct tiler_block *block, uint32_t orient,
+ uint32_t x, uint32_t y)
+{
+ struct tcm_pt *p = &block->area.p0;
+ BUG_ON(!validfmt(block->fmt));
+
+ return tiler_get_address(block->fmt, orient,
+ (p->x * geom[block->fmt].slot_w) + x,
+ (p->y * geom[block->fmt].slot_h) + y);
+}
+
void tiler_align(enum tiler_fmt fmt, uint16_t *w, uint16_t *h)
{
BUG_ON(!validfmt(fmt));
*h = round_up(*h, geom[fmt].slot_h);
}
-uint32_t tiler_stride(enum tiler_fmt fmt)
+uint32_t tiler_stride(enum tiler_fmt fmt, uint32_t orient)
{
BUG_ON(!validfmt(fmt));
- return 1 << (CONT_WIDTH_BITS + geom[fmt].y_shft);
+ if (orient & MASK_XY_FLIP)
+ return 1 << (CONT_HEIGHT_BITS + geom[fmt].x_shft);
+ else
+ return 1 << (CONT_WIDTH_BITS + geom[fmt].y_shft);
}
size_t tiler_size(enum tiler_fmt fmt, uint16_t w, uint16_t h)
#define TILER_WIDTH (1 << (CONT_WIDTH_BITS - SLOT_WIDTH_BITS))
#define TILER_HEIGHT (1 << (CONT_HEIGHT_BITS - SLOT_HEIGHT_BITS))
-/* tiler space addressing bitfields */
+/*
+Table 15-11. Coding and Description of TILER Orientations
+S Y X Description Alternate description
+0 0 0 0-degree view Natural view
+0 0 1 0-degree view with vertical mirror 180-degree view with horizontal mirror
+0 1 0 0-degree view with horizontal mirror 180-degree view with vertical mirror
+0 1 1 180-degree view
+1 0 0 90-degree view with vertical mirror 270-degree view with horizontal mirror
+1 0 1 270-degree view
+1 1 0 90-degree view
+1 1 1 90-degree view with horizontal mirror 270-degree view with vertical mirror
+ */
#define MASK_XY_FLIP (1 << 31)
#define MASK_Y_INVERT (1 << 30)
#define MASK_X_INVERT (1 << 29)
/* utilities */
dma_addr_t tiler_ssptr(struct tiler_block *block);
-uint32_t tiler_stride(enum tiler_fmt fmt);
+dma_addr_t tiler_tsptr(struct tiler_block *block, uint32_t orient,
+ uint32_t x, uint32_t y);
+uint32_t tiler_stride(enum tiler_fmt fmt, uint32_t orient);
size_t tiler_size(enum tiler_fmt fmt, uint16_t w, uint16_t h);
size_t tiler_vsize(enum tiler_fmt fmt, uint16_t w, uint16_t h);
void tiler_align(enum tiler_fmt fmt, uint16_t *w, uint16_t *h);
*/
static void dev_lastclose(struct drm_device *dev)
{
+ int i;
+
/* we don't support vga-switcheroo.. so just make sure the fbdev
* mode is active
*/
DBG("lastclose: dev=%p", dev);
+ /* need to restore default rotation state.. not sure if there is
+ * a cleaner way to restore properties to default state? Maybe
+ * a flag that properties should automatically be restored to
+ * default state on lastclose?
+ */
+ for (i = 0; i < priv->num_crtcs; i++) {
+ drm_object_property_set_value(&priv->crtcs[i]->base,
+ priv->rotation_prop, 0);
+ }
+
+ for (i = 0; i < priv->num_planes; i++) {
+ drm_object_property_set_value(&priv->planes[i]->base,
+ priv->rotation_prop, 0);
+ }
+
ret = drm_fb_helper_restore_fbdev_mode(priv->fbdev);
if (ret)
DBG("failed to restore crtc mode");
struct list_head obj_list;
bool has_dmm;
+
+ /* properties: */
+ struct drm_property *rotation_prop;
+};
+
+/* this should probably be in drm-core to standardize amongst drivers */
+#define DRM_ROTATE_0 0
+#define DRM_ROTATE_90 1
+#define DRM_ROTATE_180 2
+#define DRM_ROTATE_270 3
+#define DRM_REFLECT_X 4
+#define DRM_REFLECT_Y 5
+
+/* parameters which describe (unrotated) coordinates of scanout within a fb: */
+struct omap_drm_window {
+ uint32_t rotation;
+ int32_t crtc_x, crtc_y; /* signed because can be offscreen */
+ uint32_t crtc_w, crtc_h;
+ uint32_t src_x, src_y;
+ uint32_t src_w, src_h;
};
#ifdef CONFIG_DEBUG_FS
uint32_t src_w, uint32_t src_h);
void omap_plane_on_endwin(struct drm_plane *plane,
void (*fxn)(void *), void *arg);
+void omap_plane_install_properties(struct drm_plane *plane,
+ struct drm_mode_object *obj);
+int omap_plane_set_property(struct drm_plane *plane,
+ struct drm_property *property, uint64_t val);
struct drm_encoder *omap_encoder_init(struct drm_device *dev,
struct omap_overlay_manager *mgr);
int omap_framebuffer_replace(struct drm_framebuffer *a,
struct drm_framebuffer *b, void *arg,
void (*unpin)(void *arg, struct drm_gem_object *bo));
-void omap_framebuffer_update_scanout(struct drm_framebuffer *fb, int x, int y,
- struct omap_overlay_info *info);
+void omap_framebuffer_update_scanout(struct drm_framebuffer *fb,
+ struct omap_drm_window *win, struct omap_overlay_info *info);
struct drm_connector *omap_framebuffer_get_next_connector(
struct drm_framebuffer *fb, struct drm_connector *from);
void omap_framebuffer_flush(struct drm_framebuffer *fb,
bool remap);
int omap_gem_put_pages(struct drm_gem_object *obj);
uint32_t omap_gem_flags(struct drm_gem_object *obj);
+int omap_gem_rotated_paddr(struct drm_gem_object *obj, uint32_t orient,
+ int x, int y, dma_addr_t *paddr);
uint64_t omap_gem_mmap_offset(struct drm_gem_object *obj);
size_t omap_gem_mmap_size(struct drm_gem_object *obj);
+int omap_gem_tiled_size(struct drm_gem_object *obj, uint16_t *w, uint16_t *h);
+int omap_gem_tiled_stride(struct drm_gem_object *obj, uint32_t orient);
struct dma_buf * omap_gem_prime_export(struct drm_device *dev,
struct drm_gem_object *obj, int flags);
*/
#include "omap_drv.h"
+#include "omap_dmm_tiler.h"
#include "drm_crtc.h"
#include "drm_crtc_helper.h"
.dirty = omap_framebuffer_dirty,
};
+static uint32_t get_linear_addr(struct plane *plane,
+ const struct format *format, int n, int x, int y)
+{
+ uint32_t offset;
+
+ offset = plane->offset +
+ (x * format->planes[n].stride_bpp) +
+ (y * plane->pitch / format->planes[n].sub_y);
+
+ return plane->paddr + offset;
+}
+
/* update ovl info for scanout, handles cases of multi-planar fb's, etc.
*/
-void omap_framebuffer_update_scanout(struct drm_framebuffer *fb, int x, int y,
- struct omap_overlay_info *info)
+void omap_framebuffer_update_scanout(struct drm_framebuffer *fb,
+ struct omap_drm_window *win, struct omap_overlay_info *info)
{
struct omap_framebuffer *omap_fb = to_omap_framebuffer(fb);
const struct format *format = omap_fb->format;
struct plane *plane = &omap_fb->planes[0];
- unsigned int offset;
+ uint32_t x, y, orient = 0;
+
+ info->color_mode = format->dss_format;
+
+ info->pos_x = win->crtc_x;
+ info->pos_y = win->crtc_y;
+ info->out_width = win->crtc_w;
+ info->out_height = win->crtc_h;
+ info->width = win->src_w;
+ info->height = win->src_h;
+
+ x = win->src_x;
+ y = win->src_y;
+
+ if (omap_gem_flags(plane->bo) & OMAP_BO_TILED) {
+ uint32_t w = win->src_w;
+ uint32_t h = win->src_h;
+
+ switch (win->rotation & 0xf) {
+ default:
+ dev_err(fb->dev->dev, "invalid rotation: %02x",
+ (uint32_t)win->rotation);
+ /* fallthru to default to no rotation */
+ case 0:
+ case BIT(DRM_ROTATE_0):
+ orient = 0;
+ break;
+ case BIT(DRM_ROTATE_90):
+ orient = MASK_XY_FLIP | MASK_X_INVERT;
+ break;
+ case BIT(DRM_ROTATE_180):
+ orient = MASK_X_INVERT | MASK_Y_INVERT;
+ break;
+ case BIT(DRM_ROTATE_270):
+ orient = MASK_XY_FLIP | MASK_Y_INVERT;
+ break;
+ }
- offset = plane->offset +
- (x * format->planes[0].stride_bpp) +
- (y * plane->pitch / format->planes[0].sub_y);
+ if (win->rotation & BIT(DRM_REFLECT_X))
+ orient ^= MASK_X_INVERT;
+
+ if (win->rotation & BIT(DRM_REFLECT_Y))
+ orient ^= MASK_Y_INVERT;
+
+ /* adjust x,y offset for flip/invert: */
+ if (orient & MASK_XY_FLIP)
+ swap(w, h);
+ if (orient & MASK_Y_INVERT)
+ y += h - 1;
+ if (orient & MASK_X_INVERT)
+ x += w - 1;
- info->color_mode = format->dss_format;
- info->paddr = plane->paddr + offset;
- info->screen_width = plane->pitch / format->planes[0].stride_bpp;
+ omap_gem_rotated_paddr(plane->bo, orient, x, y, &info->paddr);
+ info->rotation_type = OMAP_DSS_ROT_TILER;
+ info->screen_width = omap_gem_tiled_stride(plane->bo, orient);
+ } else {
+ info->paddr = get_linear_addr(plane, format, 0, x, y);
+ info->rotation_type = OMAP_DSS_ROT_DMA;
+ info->screen_width = plane->pitch;
+ }
+
+ /* convert to pixels: */
+ info->screen_width /= format->planes[0].stride_bpp;
if (format->dss_format == OMAP_DSS_COLOR_NV12) {
plane = &omap_fb->planes[1];
- offset = plane->offset +
- (x * format->planes[1].stride_bpp) +
- (y * plane->pitch / format->planes[1].sub_y);
- info->p_uv_addr = plane->paddr + offset;
+
+ if (info->rotation_type == OMAP_DSS_ROT_TILER) {
+ WARN_ON(!(omap_gem_flags(plane->bo) & OMAP_BO_TILED));
+ omap_gem_rotated_paddr(plane->bo, orient,
+ x/2, y/2, &info->p_uv_addr);
+ } else {
+ info->p_uv_addr = get_linear_addr(plane, format, 1, x, y);
+ }
} else {
info->p_uv_addr = 0;
}
size = pitch * mode_cmd->height / format->planes[i].sub_y;
- if (size > (bos[i]->size - mode_cmd->offsets[i])) {
+ if (size > (omap_gem_mmap_size(bos[i]) - mode_cmd->offsets[i])) {
dev_err(dev->dev, "provided buffer object is too small! %d < %d\n",
bos[i]->size - mode_cmd->offsets[i], size);
ret = -EINVAL;
return size;
}
+/* get tiled size, returns -EINVAL if not tiled buffer */
+int omap_gem_tiled_size(struct drm_gem_object *obj, uint16_t *w, uint16_t *h)
+{
+ struct omap_gem_object *omap_obj = to_omap_bo(obj);
+ if (omap_obj->flags & OMAP_BO_TILED) {
+ *w = omap_obj->width;
+ *h = omap_obj->height;
+ return 0;
+ }
+ return -EINVAL;
+}
/* Normal handling for the case of faulting in non-tiled buffers */
static int fault_1d(struct drm_gem_object *obj,
return ret;
}
+/* Get rotated scanout address (only valid if already pinned), at the
+ * specified orientation and x,y offset from top-left corner of buffer
+ * (only valid for tiled 2d buffers)
+ */
+int omap_gem_rotated_paddr(struct drm_gem_object *obj, uint32_t orient,
+ int x, int y, dma_addr_t *paddr)
+{
+ struct omap_gem_object *omap_obj = to_omap_bo(obj);
+ int ret = -EINVAL;
+
+ mutex_lock(&obj->dev->struct_mutex);
+ if ((omap_obj->paddr_cnt > 0) && omap_obj->block &&
+ (omap_obj->flags & OMAP_BO_TILED)) {
+ *paddr = tiler_tsptr(omap_obj->block, orient, x, y);
+ ret = 0;
+ }
+ mutex_unlock(&obj->dev->struct_mutex);
+ return ret;
+}
+
+/* Get tiler stride for the buffer (only valid for 2d tiled buffers) */
+int omap_gem_tiled_stride(struct drm_gem_object *obj, uint32_t orient)
+{
+ struct omap_gem_object *omap_obj = to_omap_bo(obj);
+ int ret = -EINVAL;
+ if (omap_obj->flags & OMAP_BO_TILED)
+ ret = tiler_stride(gem2fmt(omap_obj->flags), orient);
+ return ret;
+}
+
/* acquire pages when needed (for example, for DMA where physically
* contiguous buffer is not required
*/
*/
usergart[i].height = h;
usergart[i].height_shift = ilog2(h);
- usergart[i].stride_pfn = tiler_stride(fmts[i]) >> PAGE_SHIFT;
+ usergart[i].stride_pfn = tiler_stride(fmts[i], 0) >> PAGE_SHIFT;
usergart[i].slot_shift = ilog2((PAGE_SIZE / h) >> i);
for (j = 0; j < NUM_USERGART_ENTRIES; j++) {
struct usergart_entry *entry = &usergart[i].entry[j];
#include <linux/kfifo.h>
#include "omap_drv.h"
+#include "omap_dmm_tiler.h"
/* some hackery because omapdss has an 'enum omap_plane' (which would be
* better named omap_plane_id).. and compiler seems unhappy about having
struct omap_overlay *ovl;
struct omap_overlay_info info;
- /* Source values, converted to integers because we don't support
- * fractional positions:
- */
- unsigned int src_x, src_y;
+ /* position/orientation of scanout within the fb: */
+ struct omap_drm_window win;
+
/* last fb that we pinned: */
struct drm_framebuffer *pinned_fb;
{
struct omap_plane *omap_plane = to_omap_plane(plane);
struct omap_overlay_info *info = &omap_plane->info;
+ struct omap_drm_window *win = &omap_plane->win;
int ret;
ret = update_pin(plane, plane->fb);
return;
}
- omap_framebuffer_update_scanout(plane->fb,
- omap_plane->src_x, omap_plane->src_y, info);
+ omap_framebuffer_update_scanout(plane->fb, win, info);
DBG("%s: %d,%d: %08x %08x (%d)", omap_plane->ovl->name,
- omap_plane->src_x, omap_plane->src_y,
+ win->src_x, win->src_y,
(u32)info->paddr, (u32)info->p_uv_addr,
info->screen_width);
}
uint32_t src_w, uint32_t src_h)
{
struct omap_plane *omap_plane = to_omap_plane(plane);
+ struct omap_drm_window *win = &omap_plane->win;
+
+ win->crtc_x = crtc_x;
+ win->crtc_y = crtc_y;
+ win->crtc_w = crtc_w;
+ win->crtc_h = crtc_h;
/* src values are in Q16 fixed point, convert to integer: */
- src_x = src_x >> 16;
- src_y = src_y >> 16;
- src_w = src_w >> 16;
- src_h = src_h >> 16;
-
- omap_plane->info.pos_x = crtc_x;
- omap_plane->info.pos_y = crtc_y;
- omap_plane->info.out_width = crtc_w;
- omap_plane->info.out_height = crtc_h;
- omap_plane->info.width = src_w;
- omap_plane->info.height = src_h;
- omap_plane->src_x = src_x;
- omap_plane->src_y = src_y;
+ win->src_x = src_x >> 16;
+ win->src_y = src_y >> 16;
+ win->src_w = src_w >> 16;
+ win->src_h = src_h >> 16;
/* note: this is done after this fxn returns.. but if we need
* to do a commit/update_scanout, etc before this returns we
static int omap_plane_disable(struct drm_plane *plane)
{
+ struct omap_plane *omap_plane = to_omap_plane(plane);
+ omap_plane->win.rotation = BIT(DRM_ROTATE_0);
return omap_plane_dpms(plane, DRM_MODE_DPMS_OFF);
}
install_irq(plane);
}
+/* helper to install properties which are common to planes and crtcs */
+void omap_plane_install_properties(struct drm_plane *plane,
+ struct drm_mode_object *obj)
+{
+ struct drm_device *dev = plane->dev;
+ struct omap_drm_private *priv = dev->dev_private;
+ struct drm_property *prop;
+
+ prop = priv->rotation_prop;
+ if (!prop) {
+ const struct drm_prop_enum_list props[] = {
+ { DRM_ROTATE_0, "rotate-0" },
+ { DRM_ROTATE_90, "rotate-90" },
+ { DRM_ROTATE_180, "rotate-180" },
+ { DRM_ROTATE_270, "rotate-270" },
+ { DRM_REFLECT_X, "reflect-x" },
+ { DRM_REFLECT_Y, "reflect-y" },
+ };
+ prop = drm_property_create_bitmask(dev, 0, "rotation",
+ props, ARRAY_SIZE(props));
+ if (prop == NULL)
+ return;
+ priv->rotation_prop = prop;
+ }
+ drm_object_attach_property(obj, prop, 0);
+}
+
+int omap_plane_set_property(struct drm_plane *plane,
+ struct drm_property *property, uint64_t val)
+{
+ struct omap_plane *omap_plane = to_omap_plane(plane);
+ struct omap_drm_private *priv = plane->dev->dev_private;
+ int ret = -EINVAL;
+
+ if (property == priv->rotation_prop) {
+ struct omap_overlay *ovl = omap_plane->ovl;
+
+ DBG("%s: rotation: %02x", ovl->name, (uint32_t)val);
+ omap_plane->win.rotation = val;
+
+ if (ovl->is_enabled(ovl))
+ ret = omap_plane_dpms(plane, DRM_MODE_DPMS_ON);
+ else
+ ret = 0;
+ }
+
+ return ret;
+}
+
static const struct drm_plane_funcs omap_plane_funcs = {
.update_plane = omap_plane_update,
.disable_plane = omap_plane_disable,
.destroy = omap_plane_destroy,
+ .set_property = omap_plane_set_property,
};
/* initialize plane */
drm_plane_init(dev, plane, possible_crtcs, &omap_plane_funcs,
omap_plane->formats, omap_plane->nformats, priv);
+ omap_plane_install_properties(plane, &plane->base);
+
/* get our starting configuration, set defaults for parameters
* we don't currently use, etc:
*/
omap_plane->info.rotation = OMAP_DSS_ROT_0;
omap_plane->info.global_alpha = 0xff;
omap_plane->info.mirror = 0;
- omap_plane->info.mirror = 0;
/* Set defaults depending on whether we are a CRTC or overlay
* layer.
projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / commitdiff