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path: root/drivers/gpu/drm/exynos/exynos_drm_fimd.c
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Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_fimd.c')
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_fimd.c249
1 files changed, 114 insertions, 135 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index c300e22da8ac..9819fa6a9e2a 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -31,7 +31,9 @@
#include "exynos_drm_drv.h"
#include "exynos_drm_fbdev.h"
#include "exynos_drm_crtc.h"
+#include "exynos_drm_plane.h"
#include "exynos_drm_iommu.h"
+#include "exynos_drm_fimd.h"
/*
* FIMD stands for Fully Interactive Mobile Display and
@@ -54,6 +56,9 @@
/* size control register for hardware windows 1 ~ 2. */
#define VIDOSD_D(win) (VIDOSD_BASE + 0x0C + (win) * 16)
+#define VIDWnALPHA0(win) (VIDW_ALPHA + 0x00 + (win) * 8)
+#define VIDWnALPHA1(win) (VIDW_ALPHA + 0x04 + (win) * 8)
+
#define VIDWx_BUF_START(win, buf) (VIDW_BUF_START(buf) + (win) * 8)
#define VIDWx_BUF_END(win, buf) (VIDW_BUF_END(buf) + (win) * 8)
#define VIDWx_BUF_SIZE(win, buf) (VIDW_BUF_SIZE(buf) + (win) * 4)
@@ -140,31 +145,15 @@ static struct fimd_driver_data exynos5_fimd_driver_data = {
.has_vtsel = 1,
};
-struct fimd_win_data {
- unsigned int offset_x;
- unsigned int offset_y;
- unsigned int ovl_width;
- unsigned int ovl_height;
- unsigned int fb_width;
- unsigned int fb_height;
- unsigned int bpp;
- unsigned int pixel_format;
- dma_addr_t dma_addr;
- unsigned int buf_offsize;
- unsigned int line_size; /* bytes */
- bool enabled;
- bool resume;
-};
-
struct fimd_context {
struct device *dev;
struct drm_device *drm_dev;
struct exynos_drm_crtc *crtc;
+ struct exynos_drm_plane planes[WINDOWS_NR];
struct clk *bus_clk;
struct clk *lcd_clk;
void __iomem *regs;
struct regmap *sysreg;
- struct fimd_win_data win_data[WINDOWS_NR];
unsigned int default_win;
unsigned long irq_flags;
u32 vidcon0;
@@ -501,58 +490,9 @@ static void fimd_disable_vblank(struct exynos_drm_crtc *crtc)
}
}
-static void fimd_win_mode_set(struct exynos_drm_crtc *crtc,
- struct exynos_drm_plane *plane)
-{
- struct fimd_context *ctx = crtc->ctx;
- struct fimd_win_data *win_data;
- int win;
- unsigned long offset;
-
- if (!plane) {
- DRM_ERROR("plane is NULL\n");
- return;
- }
-
- win = plane->zpos;
- if (win == DEFAULT_ZPOS)
- win = ctx->default_win;
-
- if (win < 0 || win >= WINDOWS_NR)
- return;
-
- offset = plane->fb_x * (plane->bpp >> 3);
- offset += plane->fb_y * plane->pitch;
-
- DRM_DEBUG_KMS("offset = 0x%lx, pitch = %x\n", offset, plane->pitch);
-
- win_data = &ctx->win_data[win];
-
- win_data->offset_x = plane->crtc_x;
- win_data->offset_y = plane->crtc_y;
- win_data->ovl_width = plane->crtc_width;
- win_data->ovl_height = plane->crtc_height;
- win_data->fb_width = plane->fb_width;
- win_data->fb_height = plane->fb_height;
- win_data->dma_addr = plane->dma_addr[0] + offset;
- win_data->bpp = plane->bpp;
- win_data->pixel_format = plane->pixel_format;
- win_data->buf_offsize = (plane->fb_width - plane->crtc_width) *
- (plane->bpp >> 3);
- win_data->line_size = plane->crtc_width * (plane->bpp >> 3);
-
- DRM_DEBUG_KMS("offset_x = %d, offset_y = %d\n",
- win_data->offset_x, win_data->offset_y);
- DRM_DEBUG_KMS("ovl_width = %d, ovl_height = %d\n",
- win_data->ovl_width, win_data->ovl_height);
- DRM_DEBUG_KMS("paddr = 0x%lx\n", (unsigned long)win_data->dma_addr);
- DRM_DEBUG_KMS("fb_width = %d, crtc_width = %d\n",
- plane->fb_width, plane->crtc_width);
-}
-
static void fimd_win_set_pixfmt(struct fimd_context *ctx, unsigned int win)
{
- struct fimd_win_data *win_data = &ctx->win_data[win];
+ struct exynos_drm_plane *plane = &ctx->planes[win];
unsigned long val;
val = WINCONx_ENWIN;
@@ -562,11 +502,11 @@ static void fimd_win_set_pixfmt(struct fimd_context *ctx, unsigned int win)
* So the request format is ARGB8888 then change it to XRGB8888.
*/
if (ctx->driver_data->has_limited_fmt && !win) {
- if (win_data->pixel_format == DRM_FORMAT_ARGB8888)
- win_data->pixel_format = DRM_FORMAT_XRGB8888;
+ if (plane->pixel_format == DRM_FORMAT_ARGB8888)
+ plane->pixel_format = DRM_FORMAT_XRGB8888;
}
- switch (win_data->pixel_format) {
+ switch (plane->pixel_format) {
case DRM_FORMAT_C8:
val |= WINCON0_BPPMODE_8BPP_PALETTE;
val |= WINCONx_BURSTLEN_8WORD;
@@ -602,7 +542,7 @@ static void fimd_win_set_pixfmt(struct fimd_context *ctx, unsigned int win)
break;
}
- DRM_DEBUG_KMS("bpp = %d\n", win_data->bpp);
+ DRM_DEBUG_KMS("bpp = %d\n", plane->bpp);
/*
* In case of exynos, setting dma-burst to 16Word causes permanent
@@ -612,12 +552,30 @@ static void fimd_win_set_pixfmt(struct fimd_context *ctx, unsigned int win)
* movement causes unstable DMA which results into iommu crash/tear.
*/
- if (win_data->fb_width < MIN_FB_WIDTH_FOR_16WORD_BURST) {
+ if (plane->fb_width < MIN_FB_WIDTH_FOR_16WORD_BURST) {
val &= ~WINCONx_BURSTLEN_MASK;
val |= WINCONx_BURSTLEN_4WORD;
}
writel(val, ctx->regs + WINCON(win));
+
+ /* hardware window 0 doesn't support alpha channel. */
+ if (win != 0) {
+ /* OSD alpha */
+ val = VIDISD14C_ALPHA0_R(0xf) |
+ VIDISD14C_ALPHA0_G(0xf) |
+ VIDISD14C_ALPHA0_B(0xf) |
+ VIDISD14C_ALPHA1_R(0xf) |
+ VIDISD14C_ALPHA1_G(0xf) |
+ VIDISD14C_ALPHA1_B(0xf);
+
+ writel(val, ctx->regs + VIDOSD_C(win));
+
+ val = VIDW_ALPHA_R(0xf) | VIDW_ALPHA_G(0xf) |
+ VIDW_ALPHA_G(0xf);
+ writel(val, ctx->regs + VIDWnALPHA0(win));
+ writel(val, ctx->regs + VIDWnALPHA1(win));
+ }
}
static void fimd_win_set_colkey(struct fimd_context *ctx, unsigned int win)
@@ -640,7 +598,7 @@ static void fimd_win_set_colkey(struct fimd_context *ctx, unsigned int win)
* @protect: 1 to protect (disable updates)
*/
static void fimd_shadow_protect_win(struct fimd_context *ctx,
- int win, bool protect)
+ unsigned int win, bool protect)
{
u32 reg, bits, val;
@@ -660,29 +618,25 @@ static void fimd_shadow_protect_win(struct fimd_context *ctx,
writel(val, ctx->regs + reg);
}
-static void fimd_win_commit(struct exynos_drm_crtc *crtc, int zpos)
+static void fimd_win_commit(struct exynos_drm_crtc *crtc, unsigned int win)
{
struct fimd_context *ctx = crtc->ctx;
- struct fimd_win_data *win_data;
- int win = zpos;
- unsigned long val, alpha, size;
- unsigned int last_x;
- unsigned int last_y;
+ struct exynos_drm_plane *plane;
+ dma_addr_t dma_addr;
+ unsigned long val, size, offset;
+ unsigned int last_x, last_y, buf_offsize, line_size;
if (ctx->suspended)
return;
- if (win == DEFAULT_ZPOS)
- win = ctx->default_win;
-
if (win < 0 || win >= WINDOWS_NR)
return;
- win_data = &ctx->win_data[win];
+ plane = &ctx->planes[win];
/* If suspended, enable this on resume */
if (ctx->suspended) {
- win_data->resume = true;
+ plane->resume = true;
return;
}
@@ -699,38 +653,45 @@ static void fimd_win_commit(struct exynos_drm_crtc *crtc, int zpos)
/* protect windows */
fimd_shadow_protect_win(ctx, win, true);
+
+ offset = plane->src_x * (plane->bpp >> 3);
+ offset += plane->src_y * plane->pitch;
+
/* buffer start address */
- val = (unsigned long)win_data->dma_addr;
+ dma_addr = plane->dma_addr[0] + offset;
+ val = (unsigned long)dma_addr;
writel(val, ctx->regs + VIDWx_BUF_START(win, 0));
/* buffer end address */
- size = win_data->fb_width * win_data->ovl_height * (win_data->bpp >> 3);
- val = (unsigned long)(win_data->dma_addr + size);
+ size = plane->pitch * plane->crtc_height;
+ val = (unsigned long)(dma_addr + size);
writel(val, ctx->regs + VIDWx_BUF_END(win, 0));
DRM_DEBUG_KMS("start addr = 0x%lx, end addr = 0x%lx, size = 0x%lx\n",
- (unsigned long)win_data->dma_addr, val, size);
+ (unsigned long)dma_addr, val, size);
DRM_DEBUG_KMS("ovl_width = %d, ovl_height = %d\n",
- win_data->ovl_width, win_data->ovl_height);
+ plane->crtc_width, plane->crtc_height);
/* buffer size */
- val = VIDW_BUF_SIZE_OFFSET(win_data->buf_offsize) |
- VIDW_BUF_SIZE_PAGEWIDTH(win_data->line_size) |
- VIDW_BUF_SIZE_OFFSET_E(win_data->buf_offsize) |
- VIDW_BUF_SIZE_PAGEWIDTH_E(win_data->line_size);
+ buf_offsize = plane->pitch - (plane->crtc_width * (plane->bpp >> 3));
+ line_size = plane->crtc_width * (plane->bpp >> 3);
+ val = VIDW_BUF_SIZE_OFFSET(buf_offsize) |
+ VIDW_BUF_SIZE_PAGEWIDTH(line_size) |
+ VIDW_BUF_SIZE_OFFSET_E(buf_offsize) |
+ VIDW_BUF_SIZE_PAGEWIDTH_E(line_size);
writel(val, ctx->regs + VIDWx_BUF_SIZE(win, 0));
/* OSD position */
- val = VIDOSDxA_TOPLEFT_X(win_data->offset_x) |
- VIDOSDxA_TOPLEFT_Y(win_data->offset_y) |
- VIDOSDxA_TOPLEFT_X_E(win_data->offset_x) |
- VIDOSDxA_TOPLEFT_Y_E(win_data->offset_y);
+ val = VIDOSDxA_TOPLEFT_X(plane->crtc_x) |
+ VIDOSDxA_TOPLEFT_Y(plane->crtc_y) |
+ VIDOSDxA_TOPLEFT_X_E(plane->crtc_x) |
+ VIDOSDxA_TOPLEFT_Y_E(plane->crtc_y);
writel(val, ctx->regs + VIDOSD_A(win));
- last_x = win_data->offset_x + win_data->ovl_width;
+ last_x = plane->crtc_x + plane->crtc_width;
if (last_x)
last_x--;
- last_y = win_data->offset_y + win_data->ovl_height;
+ last_y = plane->crtc_y + plane->crtc_height;
if (last_y)
last_y--;
@@ -740,24 +701,14 @@ static void fimd_win_commit(struct exynos_drm_crtc *crtc, int zpos)
writel(val, ctx->regs + VIDOSD_B(win));
DRM_DEBUG_KMS("osd pos: tx = %d, ty = %d, bx = %d, by = %d\n",
- win_data->offset_x, win_data->offset_y, last_x, last_y);
-
- /* hardware window 0 doesn't support alpha channel. */
- if (win != 0) {
- /* OSD alpha */
- alpha = VIDISD14C_ALPHA1_R(0xf) |
- VIDISD14C_ALPHA1_G(0xf) |
- VIDISD14C_ALPHA1_B(0xf);
-
- writel(alpha, ctx->regs + VIDOSD_C(win));
- }
+ plane->crtc_x, plane->crtc_y, last_x, last_y);
/* OSD size */
if (win != 3 && win != 4) {
u32 offset = VIDOSD_D(win);
if (win == 0)
offset = VIDOSD_C(win);
- val = win_data->ovl_width * win_data->ovl_height;
+ val = plane->crtc_width * plane->crtc_height;
writel(val, ctx->regs + offset);
DRM_DEBUG_KMS("osd size = 0x%x\n", (unsigned int)val);
@@ -777,29 +728,25 @@ static void fimd_win_commit(struct exynos_drm_crtc *crtc, int zpos)
/* Enable DMA channel and unprotect windows */
fimd_shadow_protect_win(ctx, win, false);
- win_data->enabled = true;
+ plane->enabled = true;
if (ctx->i80_if)
atomic_set(&ctx->win_updated, 1);
}
-static void fimd_win_disable(struct exynos_drm_crtc *crtc, int zpos)
+static void fimd_win_disable(struct exynos_drm_crtc *crtc, unsigned int win)
{
struct fimd_context *ctx = crtc->ctx;
- struct fimd_win_data *win_data;
- int win = zpos;
-
- if (win == DEFAULT_ZPOS)
- win = ctx->default_win;
+ struct exynos_drm_plane *plane;
if (win < 0 || win >= WINDOWS_NR)
return;
- win_data = &ctx->win_data[win];
+ plane = &ctx->planes[win];
if (ctx->suspended) {
/* do not resume this window*/
- win_data->resume = false;
+ plane->resume = false;
return;
}
@@ -814,42 +761,42 @@ static void fimd_win_disable(struct exynos_drm_crtc *crtc, int zpos)
/* unprotect windows */
fimd_shadow_protect_win(ctx, win, false);
- win_data->enabled = false;
+ plane->enabled = false;
}
static void fimd_window_suspend(struct fimd_context *ctx)
{
- struct fimd_win_data *win_data;
+ struct exynos_drm_plane *plane;
int i;
for (i = 0; i < WINDOWS_NR; i++) {
- win_data = &ctx->win_data[i];
- win_data->resume = win_data->enabled;
- if (win_data->enabled)
+ plane = &ctx->planes[i];
+ plane->resume = plane->enabled;
+ if (plane->enabled)
fimd_win_disable(ctx->crtc, i);
}
}
static void fimd_window_resume(struct fimd_context *ctx)
{
- struct fimd_win_data *win_data;
+ struct exynos_drm_plane *plane;
int i;
for (i = 0; i < WINDOWS_NR; i++) {
- win_data = &ctx->win_data[i];
- win_data->enabled = win_data->resume;
- win_data->resume = false;
+ plane = &ctx->planes[i];
+ plane->enabled = plane->resume;
+ plane->resume = false;
}
}
static void fimd_apply(struct fimd_context *ctx)
{
- struct fimd_win_data *win_data;
+ struct exynos_drm_plane *plane;
int i;
for (i = 0; i < WINDOWS_NR; i++) {
- win_data = &ctx->win_data[i];
- if (win_data->enabled)
+ plane = &ctx->planes[i];
+ if (plane->enabled)
fimd_win_commit(ctx->crtc, i);
else
fimd_win_disable(ctx->crtc, i);
@@ -1006,7 +953,6 @@ static struct exynos_drm_crtc_ops fimd_crtc_ops = {
.enable_vblank = fimd_enable_vblank,
.disable_vblank = fimd_disable_vblank,
.wait_for_vblank = fimd_wait_for_vblank,
- .win_mode_set = fimd_win_mode_set,
.win_commit = fimd_win_commit,
.win_disable = fimd_win_disable,
.te_handler = fimd_te_handler,
@@ -1052,14 +998,29 @@ static int fimd_bind(struct device *dev, struct device *master, void *data)
struct fimd_context *ctx = dev_get_drvdata(dev);
struct drm_device *drm_dev = data;
struct exynos_drm_private *priv = drm_dev->dev_private;
+ struct exynos_drm_plane *exynos_plane;
+ enum drm_plane_type type;
+ unsigned int zpos;
int ret;
ctx->drm_dev = drm_dev;
ctx->pipe = priv->pipe++;
- ctx->crtc = exynos_drm_crtc_create(drm_dev, ctx->pipe,
- EXYNOS_DISPLAY_TYPE_LCD,
+ for (zpos = 0; zpos < WINDOWS_NR; zpos++) {
+ type = (zpos == ctx->default_win) ? DRM_PLANE_TYPE_PRIMARY :
+ DRM_PLANE_TYPE_OVERLAY;
+ ret = exynos_plane_init(drm_dev, &ctx->planes[zpos],
+ 1 << ctx->pipe, type, zpos);
+ if (ret)
+ return ret;
+ }
+
+ exynos_plane = &ctx->planes[ctx->default_win];
+ ctx->crtc = exynos_drm_crtc_create(drm_dev, &exynos_plane->base,
+ ctx->pipe, EXYNOS_DISPLAY_TYPE_LCD,
&fimd_crtc_ops, ctx);
+ if (IS_ERR(ctx->crtc))
+ return PTR_ERR(ctx->crtc);
if (ctx->display)
exynos_drm_create_enc_conn(drm_dev, ctx->display);
@@ -1231,6 +1192,24 @@ static int fimd_remove(struct platform_device *pdev)
return 0;
}
+void fimd_dp_clock_enable(struct exynos_drm_crtc *crtc, bool enable)
+{
+ struct fimd_context *ctx = crtc->ctx;
+ u32 val;
+
+ /*
+ * Only Exynos 5250, 5260, 5410 and 542x requires enabling DP/MIE
+ * clock. On these SoCs the bootloader may enable it but any
+ * power domain off/on will reset it to disable state.
+ */
+ if (ctx->driver_data != &exynos5_fimd_driver_data)
+ return;
+
+ val = enable ? DP_MIE_CLK_DP_ENABLE : DP_MIE_CLK_DISABLE;
+ writel(DP_MIE_CLK_DP_ENABLE, ctx->regs + DP_MIE_CLKCON);
+}
+EXPORT_SYMBOL_GPL(fimd_dp_clock_enable);
+
struct platform_driver fimd_driver = {
.probe = fimd_probe,
.remove = fimd_remove,