Merge tag 'zxdrm-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into drm-next

ZTE DRM driver updates for 4.11:
 - Add missing selection of VIDEOMODE_HELPERS in Kconfig, since ZTE DRM
   driver uses drm_display_mode_to_videomode().
 - Enable HDMI audio support through SPDIF interface based on generic
   hdmi-audio-codec driver.
 - Enable VOU VL (Video Layer) to support overlay plane with scaling
   function.
 - Refine zx_vou driver a bit and then add TV Encoder output device
   support.

[airlied: fixup plane format change]

* tag 'zxdrm-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  drm: zte: add tvenc driver support
  dt: add bindings for ZTE tvenc device
  drm: zte: add function to configure vou_ctrl dividers
  drm: zte: move struct vou_inf into zx_vou driver
  drm: zte: add interlace mode support
  drm: zte: add overlay plane support
  drm: zte: add .atomic_disable hook to disable graphic layer
  drm: zte: make zx_plane accessible from zx_vou driver
  drm: zte: support hdmi audio through spdif
  drm: zte: select VIDEOMODE_HELPERS in Kconfig
このコミットが含まれているのは:
Dave Airlie
2017-02-01 08:26:33 +10:00
コミット 3a5e6bb9c6
15個のファイルの変更1365行の追加113行の削除

ファイルの表示

@@ -21,16 +21,6 @@
#include "zx_plane_regs.h"
#include "zx_vou.h"
struct zx_plane {
struct drm_plane plane;
void __iomem *layer;
void __iomem *csc;
void __iomem *hbsc;
void __iomem *rsz;
};
#define to_zx_plane(plane) container_of(plane, struct zx_plane, plane)
static const uint32_t gl_formats[] = {
DRM_FORMAT_ARGB8888,
DRM_FORMAT_XRGB8888,
@@ -40,6 +30,261 @@ static const uint32_t gl_formats[] = {
DRM_FORMAT_ARGB4444,
};
static const uint32_t vl_formats[] = {
DRM_FORMAT_NV12, /* Semi-planar YUV420 */
DRM_FORMAT_YUV420, /* Planar YUV420 */
DRM_FORMAT_YUYV, /* Packed YUV422 */
DRM_FORMAT_YVYU,
DRM_FORMAT_UYVY,
DRM_FORMAT_VYUY,
DRM_FORMAT_YUV444, /* YUV444 8bit */
/*
* TODO: add formats below that HW supports:
* - YUV420 P010
* - YUV420 Hantro
* - YUV444 10bit
*/
};
#define FRAC_16_16(mult, div) (((mult) << 16) / (div))
static int zx_vl_plane_atomic_check(struct drm_plane *plane,
struct drm_plane_state *plane_state)
{
struct drm_framebuffer *fb = plane_state->fb;
struct drm_crtc *crtc = plane_state->crtc;
struct drm_crtc_state *crtc_state;
struct drm_rect clip;
int min_scale = FRAC_16_16(1, 8);
int max_scale = FRAC_16_16(8, 1);
if (!crtc || !fb)
return 0;
crtc_state = drm_atomic_get_existing_crtc_state(plane_state->state,
crtc);
if (WARN_ON(!crtc_state))
return -EINVAL;
/* nothing to check when disabling or disabled */
if (!crtc_state->enable)
return 0;
/* plane must be enabled */
if (!plane_state->crtc)
return -EINVAL;
clip.x1 = 0;
clip.y1 = 0;
clip.x2 = crtc_state->adjusted_mode.hdisplay;
clip.y2 = crtc_state->adjusted_mode.vdisplay;
return drm_plane_helper_check_state(plane_state, &clip,
min_scale, max_scale,
true, true);
}
static int zx_vl_get_fmt(uint32_t format)
{
switch (format) {
case DRM_FORMAT_NV12:
return VL_FMT_YUV420;
case DRM_FORMAT_YUV420:
return VL_YUV420_PLANAR | VL_FMT_YUV420;
case DRM_FORMAT_YUYV:
return VL_YUV422_YUYV | VL_FMT_YUV422;
case DRM_FORMAT_YVYU:
return VL_YUV422_YVYU | VL_FMT_YUV422;
case DRM_FORMAT_UYVY:
return VL_YUV422_UYVY | VL_FMT_YUV422;
case DRM_FORMAT_VYUY:
return VL_YUV422_VYUY | VL_FMT_YUV422;
case DRM_FORMAT_YUV444:
return VL_FMT_YUV444_8BIT;
default:
WARN_ONCE(1, "invalid pixel format %d\n", format);
return -EINVAL;
}
}
static inline void zx_vl_set_update(struct zx_plane *zplane)
{
void __iomem *layer = zplane->layer;
zx_writel_mask(layer + VL_CTRL0, VL_UPDATE, VL_UPDATE);
}
static inline void zx_vl_rsz_set_update(struct zx_plane *zplane)
{
zx_writel(zplane->rsz + RSZ_VL_ENABLE_CFG, 1);
}
static int zx_vl_rsz_get_fmt(uint32_t format)
{
switch (format) {
case DRM_FORMAT_NV12:
case DRM_FORMAT_YUV420:
return RSZ_VL_FMT_YCBCR420;
case DRM_FORMAT_YUYV:
case DRM_FORMAT_YVYU:
case DRM_FORMAT_UYVY:
case DRM_FORMAT_VYUY:
return RSZ_VL_FMT_YCBCR422;
case DRM_FORMAT_YUV444:
return RSZ_VL_FMT_YCBCR444;
default:
WARN_ONCE(1, "invalid pixel format %d\n", format);
return -EINVAL;
}
}
static inline u32 rsz_step_value(u32 src, u32 dst)
{
u32 val = 0;
if (src == dst)
val = 0;
else if (src < dst)
val = RSZ_PARA_STEP((src << 16) / dst);
else if (src > dst)
val = RSZ_DATA_STEP(src / dst) |
RSZ_PARA_STEP(((src << 16) / dst) & 0xffff);
return val;
}
static void zx_vl_rsz_setup(struct zx_plane *zplane, uint32_t format,
u32 src_w, u32 src_h, u32 dst_w, u32 dst_h)
{
void __iomem *rsz = zplane->rsz;
u32 src_chroma_w = src_w;
u32 src_chroma_h = src_h;
u32 fmt;
/* Set up source and destination resolution */
zx_writel(rsz + RSZ_SRC_CFG, RSZ_VER(src_h - 1) | RSZ_HOR(src_w - 1));
zx_writel(rsz + RSZ_DEST_CFG, RSZ_VER(dst_h - 1) | RSZ_HOR(dst_w - 1));
/* Configure data format for VL RSZ */
fmt = zx_vl_rsz_get_fmt(format);
if (fmt >= 0)
zx_writel_mask(rsz + RSZ_VL_CTRL_CFG, RSZ_VL_FMT_MASK, fmt);
/* Calculate Chroma height and width */
if (fmt == RSZ_VL_FMT_YCBCR420) {
src_chroma_w = src_w >> 1;
src_chroma_h = src_h >> 1;
} else if (fmt == RSZ_VL_FMT_YCBCR422) {
src_chroma_w = src_w >> 1;
}
/* Set up Luma and Chroma step registers */
zx_writel(rsz + RSZ_VL_LUMA_HOR, rsz_step_value(src_w, dst_w));
zx_writel(rsz + RSZ_VL_LUMA_VER, rsz_step_value(src_h, dst_h));
zx_writel(rsz + RSZ_VL_CHROMA_HOR, rsz_step_value(src_chroma_w, dst_w));
zx_writel(rsz + RSZ_VL_CHROMA_VER, rsz_step_value(src_chroma_h, dst_h));
zx_vl_rsz_set_update(zplane);
}
static void zx_vl_plane_atomic_update(struct drm_plane *plane,
struct drm_plane_state *old_state)
{
struct zx_plane *zplane = to_zx_plane(plane);
struct drm_plane_state *state = plane->state;
struct drm_framebuffer *fb = state->fb;
struct drm_rect *src = &state->src;
struct drm_rect *dst = &state->dst;
struct drm_gem_cma_object *cma_obj;
void __iomem *layer = zplane->layer;
void __iomem *hbsc = zplane->hbsc;
void __iomem *paddr_reg;
dma_addr_t paddr;
u32 src_x, src_y, src_w, src_h;
u32 dst_x, dst_y, dst_w, dst_h;
uint32_t format;
u32 fmt;
int num_planes;
int i;
if (!fb)
return;
format = fb->format->format;
src_x = src->x1 >> 16;
src_y = src->y1 >> 16;
src_w = drm_rect_width(src) >> 16;
src_h = drm_rect_height(src) >> 16;
dst_x = dst->x1;
dst_y = dst->y1;
dst_w = drm_rect_width(dst);
dst_h = drm_rect_height(dst);
/* Set up data address registers for Y, Cb and Cr planes */
num_planes = drm_format_num_planes(format);
paddr_reg = layer + VL_Y;
for (i = 0; i < num_planes; i++) {
cma_obj = drm_fb_cma_get_gem_obj(fb, i);
paddr = cma_obj->paddr + fb->offsets[i];
paddr += src_y * fb->pitches[i];
paddr += src_x * drm_format_plane_cpp(format, i);
zx_writel(paddr_reg, paddr);
paddr_reg += 4;
}
/* Set up source height/width register */
zx_writel(layer + VL_SRC_SIZE, GL_SRC_W(src_w) | GL_SRC_H(src_h));
/* Set up start position register */
zx_writel(layer + VL_POS_START, GL_POS_X(dst_x) | GL_POS_Y(dst_y));
/* Set up end position register */
zx_writel(layer + VL_POS_END,
GL_POS_X(dst_x + dst_w) | GL_POS_Y(dst_y + dst_h));
/* Strides of Cb and Cr planes should be identical */
zx_writel(layer + VL_STRIDE, LUMA_STRIDE(fb->pitches[0]) |
CHROMA_STRIDE(fb->pitches[1]));
/* Set up video layer data format */
fmt = zx_vl_get_fmt(format);
if (fmt >= 0)
zx_writel(layer + VL_CTRL1, fmt);
/* Always use scaler since it exists (set for not bypass) */
zx_writel_mask(layer + VL_CTRL2, VL_SCALER_BYPASS_MODE,
VL_SCALER_BYPASS_MODE);
zx_vl_rsz_setup(zplane, format, src_w, src_h, dst_w, dst_h);
/* Enable HBSC block */
zx_writel_mask(hbsc + HBSC_CTRL0, HBSC_CTRL_EN, HBSC_CTRL_EN);
zx_vou_layer_enable(plane);
zx_vl_set_update(zplane);
}
static void zx_plane_atomic_disable(struct drm_plane *plane,
struct drm_plane_state *old_state)
{
struct zx_plane *zplane = to_zx_plane(plane);
void __iomem *hbsc = zplane->hbsc;
zx_vou_layer_disable(plane);
/* Disable HBSC block */
zx_writel_mask(hbsc + HBSC_CTRL0, HBSC_CTRL_EN, 0);
}
static const struct drm_plane_helper_funcs zx_vl_plane_helper_funcs = {
.atomic_check = zx_vl_plane_atomic_check,
.atomic_update = zx_vl_plane_atomic_update,
.atomic_disable = zx_plane_atomic_disable,
};
static int zx_gl_plane_atomic_check(struct drm_plane *plane,
struct drm_plane_state *plane_state)
{
@@ -107,14 +352,6 @@ static inline void zx_gl_rsz_set_update(struct zx_plane *zplane)
zx_writel(zplane->rsz + RSZ_ENABLE_CFG, 1);
}
void zx_plane_set_update(struct drm_plane *plane)
{
struct zx_plane *zplane = to_zx_plane(plane);
zx_gl_rsz_set_update(zplane);
zx_gl_set_update(zplane);
}
static void zx_gl_rsz_setup(struct zx_plane *zplane, u32 src_w, u32 src_h,
u32 dst_w, u32 dst_h)
{
@@ -207,12 +444,15 @@ static void zx_gl_plane_atomic_update(struct drm_plane *plane,
/* Enable HBSC block */
zx_writel_mask(hbsc + HBSC_CTRL0, HBSC_CTRL_EN, HBSC_CTRL_EN);
zx_vou_layer_enable(plane);
zx_gl_set_update(zplane);
}
static const struct drm_plane_helper_funcs zx_gl_plane_helper_funcs = {
.atomic_check = zx_gl_plane_atomic_check,
.atomic_update = zx_gl_plane_atomic_update,
.atomic_disable = zx_plane_atomic_disable,
};
static void zx_plane_destroy(struct drm_plane *plane)
@@ -230,6 +470,28 @@ static const struct drm_plane_funcs zx_plane_funcs = {
.atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
};
void zx_plane_set_update(struct drm_plane *plane)
{
struct zx_plane *zplane = to_zx_plane(plane);
/* Do nothing if the plane is not enabled */
if (!plane->state->crtc)
return;
switch (plane->type) {
case DRM_PLANE_TYPE_PRIMARY:
zx_gl_rsz_set_update(zplane);
zx_gl_set_update(zplane);
break;
case DRM_PLANE_TYPE_OVERLAY:
zx_vl_rsz_set_update(zplane);
zx_vl_set_update(zplane);
break;
default:
WARN_ONCE(1, "unsupported plane type %d\n", plane->type);
}
}
static void zx_plane_hbsc_init(struct zx_plane *zplane)
{
void __iomem *hbsc = zplane->hbsc;
@@ -248,28 +510,16 @@ static void zx_plane_hbsc_init(struct zx_plane *zplane)
zx_writel(hbsc + HBSC_THRESHOLD_COL3, (0x3c0 << 16) | 0x40);
}
struct drm_plane *zx_plane_init(struct drm_device *drm, struct device *dev,
struct zx_layer_data *data,
enum drm_plane_type type)
int zx_plane_init(struct drm_device *drm, struct zx_plane *zplane,
enum drm_plane_type type)
{
const struct drm_plane_helper_funcs *helper;
struct zx_plane *zplane;
struct drm_plane *plane;
struct drm_plane *plane = &zplane->plane;
struct device *dev = zplane->dev;
const uint32_t *formats;
unsigned int format_count;
int ret;
zplane = devm_kzalloc(dev, sizeof(*zplane), GFP_KERNEL);
if (!zplane)
return ERR_PTR(-ENOMEM);
plane = &zplane->plane;
zplane->layer = data->layer;
zplane->hbsc = data->hbsc;
zplane->csc = data->csc;
zplane->rsz = data->rsz;
zx_plane_hbsc_init(zplane);
switch (type) {
@@ -279,10 +529,12 @@ struct drm_plane *zx_plane_init(struct drm_device *drm, struct device *dev,
format_count = ARRAY_SIZE(gl_formats);
break;
case DRM_PLANE_TYPE_OVERLAY:
/* TODO: add video layer (vl) support */
helper = &zx_vl_plane_helper_funcs;
formats = vl_formats;
format_count = ARRAY_SIZE(vl_formats);
break;
default:
return ERR_PTR(-ENODEV);
return -ENODEV;
}
ret = drm_universal_plane_init(drm, plane, VOU_CRTC_MASK,
@@ -290,10 +542,10 @@ struct drm_plane *zx_plane_init(struct drm_device *drm, struct device *dev,
type, NULL);
if (ret) {
DRM_DEV_ERROR(dev, "failed to init universal plane: %d\n", ret);
return ERR_PTR(ret);
return ret;
}
drm_plane_helper_add(plane, helper);
return plane;
return 0;
}