diff options
Diffstat (limited to 'drivers/gpu/drm/rockchip/rockchip_drm_vop2.c')
| -rw-r--r-- | drivers/gpu/drm/rockchip/rockchip_drm_vop2.c | 2722 |
1 files changed, 2722 insertions, 0 deletions
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c new file mode 100644 index 000000000..b233f5267 --- /dev/null +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c @@ -0,0 +1,2722 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2020 Rockchip Electronics Co., Ltd. + * Author: Andy Yan <andy.yan@rock-chips.com> + */ +#include <linux/bitfield.h> +#include <linux/clk.h> +#include <linux/component.h> +#include <linux/delay.h> +#include <linux/iopoll.h> +#include <linux/kernel.h> +#include <linux/media-bus-format.h> +#include <linux/mfd/syscon.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/of_device.h> +#include <linux/of_graph.h> +#include <linux/platform_device.h> +#include <linux/pm_runtime.h> +#include <linux/regmap.h> +#include <linux/swab.h> + +#include <drm/drm.h> +#include <drm/drm_atomic.h> +#include <drm/drm_atomic_uapi.h> +#include <drm/drm_blend.h> +#include <drm/drm_crtc.h> +#include <drm/drm_crtc_helper.h> +#include <drm/drm_debugfs.h> +#include <drm/drm_flip_work.h> +#include <drm/drm_framebuffer.h> +#include <drm/drm_probe_helper.h> +#include <drm/drm_vblank.h> + +#include <uapi/linux/videodev2.h> +#include <dt-bindings/soc/rockchip,vop2.h> + +#include "rockchip_drm_drv.h" +#include "rockchip_drm_gem.h" +#include "rockchip_drm_fb.h" +#include "rockchip_drm_vop2.h" + +/* + * VOP2 architecture + * + +----------+ +-------------+ +-----------+ + | Cluster | | Sel 1 from 6| | 1 from 3 | + | window0 | | Layer0 | | RGB | + +----------+ +-------------+ +---------------+ +-------------+ +-----------+ + +----------+ +-------------+ |N from 6 layers| | | + | Cluster | | Sel 1 from 6| | Overlay0 +--->| Video Port0 | +-----------+ + | window1 | | Layer1 | | | | | | 1 from 3 | + +----------+ +-------------+ +---------------+ +-------------+ | LVDS | + +----------+ +-------------+ +-----------+ + | Esmart | | Sel 1 from 6| + | window0 | | Layer2 | +---------------+ +-------------+ +-----------+ + +----------+ +-------------+ |N from 6 Layers| | | +--> | 1 from 3 | + +----------+ +-------------+ --------> | Overlay1 +--->| Video Port1 | | MIPI | + | Esmart | | Sel 1 from 6| --------> | | | | +-----------+ + | Window1 | | Layer3 | +---------------+ +-------------+ + +----------+ +-------------+ +-----------+ + +----------+ +-------------+ | 1 from 3 | + | Smart | | Sel 1 from 6| +---------------+ +-------------+ | HDMI | + | Window0 | | Layer4 | |N from 6 Layers| | | +-----------+ + +----------+ +-------------+ | Overlay2 +--->| Video Port2 | + +----------+ +-------------+ | | | | +-----------+ + | Smart | | Sel 1 from 6| +---------------+ +-------------+ | 1 from 3 | + | Window1 | | Layer5 | | eDP | + +----------+ +-------------+ +-----------+ + * + */ + +enum vop2_data_format { + VOP2_FMT_ARGB8888 = 0, + VOP2_FMT_RGB888, + VOP2_FMT_RGB565, + VOP2_FMT_XRGB101010, + VOP2_FMT_YUV420SP, + VOP2_FMT_YUV422SP, + VOP2_FMT_YUV444SP, + VOP2_FMT_YUYV422 = 8, + VOP2_FMT_YUYV420, + VOP2_FMT_VYUY422, + VOP2_FMT_VYUY420, + VOP2_FMT_YUV420SP_TILE_8x4 = 0x10, + VOP2_FMT_YUV420SP_TILE_16x2, + VOP2_FMT_YUV422SP_TILE_8x4, + VOP2_FMT_YUV422SP_TILE_16x2, + VOP2_FMT_YUV420SP_10, + VOP2_FMT_YUV422SP_10, + VOP2_FMT_YUV444SP_10, +}; + +enum vop2_afbc_format { + VOP2_AFBC_FMT_RGB565, + VOP2_AFBC_FMT_ARGB2101010 = 2, + VOP2_AFBC_FMT_YUV420_10BIT, + VOP2_AFBC_FMT_RGB888, + VOP2_AFBC_FMT_ARGB8888, + VOP2_AFBC_FMT_YUV420 = 9, + VOP2_AFBC_FMT_YUV422 = 0xb, + VOP2_AFBC_FMT_YUV422_10BIT = 0xe, + VOP2_AFBC_FMT_INVALID = -1, +}; + +union vop2_alpha_ctrl { + u32 val; + struct { + /* [0:1] */ + u32 color_mode:1; + u32 alpha_mode:1; + /* [2:3] */ + u32 blend_mode:2; + u32 alpha_cal_mode:1; + /* [5:7] */ + u32 factor_mode:3; + /* [8:9] */ + u32 alpha_en:1; + u32 src_dst_swap:1; + u32 reserved:6; + /* [16:23] */ + u32 glb_alpha:8; + } bits; +}; + +struct vop2_alpha { + union vop2_alpha_ctrl src_color_ctrl; + union vop2_alpha_ctrl dst_color_ctrl; + union vop2_alpha_ctrl src_alpha_ctrl; + union vop2_alpha_ctrl dst_alpha_ctrl; +}; + +struct vop2_alpha_config { + bool src_premulti_en; + bool dst_premulti_en; + bool src_pixel_alpha_en; + bool dst_pixel_alpha_en; + u16 src_glb_alpha_value; + u16 dst_glb_alpha_value; +}; + +struct vop2_win { + struct vop2 *vop2; + struct drm_plane base; + const struct vop2_win_data *data; + struct regmap_field *reg[VOP2_WIN_MAX_REG]; + + /** + * @win_id: graphic window id, a cluster may be split into two + * graphics windows. + */ + u8 win_id; + u8 delay; + u32 offset; + + enum drm_plane_type type; +}; + +struct vop2_video_port { + struct drm_crtc crtc; + struct vop2 *vop2; + struct clk *dclk; + unsigned int id; + const struct vop2_video_port_regs *regs; + const struct vop2_video_port_data *data; + + struct completion dsp_hold_completion; + + /** + * @win_mask: Bitmask of windows attached to the video port; + */ + u32 win_mask; + + struct vop2_win *primary_plane; + struct drm_pending_vblank_event *event; + + unsigned int nlayers; +}; + +struct vop2 { + struct device *dev; + struct drm_device *drm; + struct vop2_video_port vps[ROCKCHIP_MAX_CRTC]; + + const struct vop2_data *data; + /* + * Number of windows that are registered as plane, may be less than the + * total number of hardware windows. + */ + u32 registered_num_wins; + + void __iomem *regs; + struct regmap *map; + + struct regmap *grf; + + /* physical map length of vop2 register */ + u32 len; + + void __iomem *lut_regs; + + /* protects crtc enable/disable */ + struct mutex vop2_lock; + + int irq; + + /* + * Some global resources are shared between all video ports(crtcs), so + * we need a ref counter here. + */ + unsigned int enable_count; + struct clk *hclk; + struct clk *aclk; + + /* must be put at the end of the struct */ + struct vop2_win win[]; +}; + +static struct vop2_video_port *to_vop2_video_port(struct drm_crtc *crtc) +{ + return container_of(crtc, struct vop2_video_port, crtc); +} + +static struct vop2_win *to_vop2_win(struct drm_plane *p) +{ + return container_of(p, struct vop2_win, base); +} + +static void vop2_lock(struct vop2 *vop2) +{ + mutex_lock(&vop2->vop2_lock); +} + +static void vop2_unlock(struct vop2 *vop2) +{ + mutex_unlock(&vop2->vop2_lock); +} + +static void vop2_writel(struct vop2 *vop2, u32 offset, u32 v) +{ + regmap_write(vop2->map, offset, v); +} + +static void vop2_vp_write(struct vop2_video_port *vp, u32 offset, u32 v) +{ + regmap_write(vp->vop2->map, vp->data->offset + offset, v); +} + +static u32 vop2_readl(struct vop2 *vop2, u32 offset) +{ + u32 val; + + regmap_read(vop2->map, offset, &val); + + return val; +} + +static void vop2_win_write(const struct vop2_win *win, unsigned int reg, u32 v) +{ + regmap_field_write(win->reg[reg], v); +} + +static bool vop2_cluster_window(const struct vop2_win *win) +{ + return win->data->feature & WIN_FEATURE_CLUSTER; +} + +static void vop2_cfg_done(struct vop2_video_port *vp) +{ + struct vop2 *vop2 = vp->vop2; + + regmap_set_bits(vop2->map, RK3568_REG_CFG_DONE, + BIT(vp->id) | RK3568_REG_CFG_DONE__GLB_CFG_DONE_EN); +} + +static void vop2_win_disable(struct vop2_win *win) +{ + vop2_win_write(win, VOP2_WIN_ENABLE, 0); + + if (vop2_cluster_window(win)) + vop2_win_write(win, VOP2_WIN_CLUSTER_ENABLE, 0); +} + +static enum vop2_data_format vop2_convert_format(u32 format) +{ + switch (format) { + case DRM_FORMAT_XRGB8888: + case DRM_FORMAT_ARGB8888: + case DRM_FORMAT_XBGR8888: + case DRM_FORMAT_ABGR8888: + return VOP2_FMT_ARGB8888; + case DRM_FORMAT_RGB888: + case DRM_FORMAT_BGR888: + return VOP2_FMT_RGB888; + case DRM_FORMAT_RGB565: + case DRM_FORMAT_BGR565: + return VOP2_FMT_RGB565; + case DRM_FORMAT_NV12: + return VOP2_FMT_YUV420SP; + case DRM_FORMAT_NV16: + return VOP2_FMT_YUV422SP; + case DRM_FORMAT_NV24: + return VOP2_FMT_YUV444SP; + case DRM_FORMAT_YUYV: + case DRM_FORMAT_YVYU: + return VOP2_FMT_VYUY422; + case DRM_FORMAT_VYUY: + case DRM_FORMAT_UYVY: + return VOP2_FMT_YUYV422; + default: + DRM_ERROR("unsupported format[%08x]\n", format); + return -EINVAL; + } +} + +static enum vop2_afbc_format vop2_convert_afbc_format(u32 format) +{ + switch (format) { + case DRM_FORMAT_XRGB8888: + case DRM_FORMAT_ARGB8888: + case DRM_FORMAT_XBGR8888: + case DRM_FORMAT_ABGR8888: + return VOP2_AFBC_FMT_ARGB8888; + case DRM_FORMAT_RGB888: + case DRM_FORMAT_BGR888: + return VOP2_AFBC_FMT_RGB888; + case DRM_FORMAT_RGB565: + case DRM_FORMAT_BGR565: + return VOP2_AFBC_FMT_RGB565; + case DRM_FORMAT_NV12: + return VOP2_AFBC_FMT_YUV420; + case DRM_FORMAT_NV16: + return VOP2_AFBC_FMT_YUV422; + default: + return VOP2_AFBC_FMT_INVALID; + } + + return VOP2_AFBC_FMT_INVALID; +} + +static bool vop2_win_rb_swap(u32 format) +{ + switch (format) { + case DRM_FORMAT_XBGR8888: + case DRM_FORMAT_ABGR8888: + case DRM_FORMAT_BGR888: + case DRM_FORMAT_BGR565: + return true; + default: + return false; + } +} + +static bool vop2_afbc_rb_swap(u32 format) +{ + switch (format) { + case DRM_FORMAT_NV24: + return true; + default: + return false; + } +} + +static bool vop2_afbc_uv_swap(u32 format) +{ + switch (format) { + case DRM_FORMAT_NV12: + case DRM_FORMAT_NV16: + return true; + default: + return false; + } +} + +static bool vop2_win_uv_swap(u32 format) +{ + switch (format) { + case DRM_FORMAT_NV12: + case DRM_FORMAT_NV16: + case DRM_FORMAT_NV24: + return true; + default: + return false; + } +} + +static bool vop2_win_dither_up(u32 format) +{ + switch (format) { + case DRM_FORMAT_BGR565: + case DRM_FORMAT_RGB565: + return true; + default: + return false; + } +} + +static bool vop2_output_uv_swap(u32 bus_format, u32 output_mode) +{ + /* + * FIXME: + * + * There is no media type for YUV444 output, + * so when out_mode is AAAA or P888, assume output is YUV444 on + * yuv format. + * + * From H/W testing, YUV444 mode need a rb swap. + */ + if (bus_format == MEDIA_BUS_FMT_YVYU8_1X16 || + bus_format == MEDIA_BUS_FMT_VYUY8_1X16 || + bus_format == MEDIA_BUS_FMT_YVYU8_2X8 || + bus_format == MEDIA_BUS_FMT_VYUY8_2X8 || + ((bus_format == MEDIA_BUS_FMT_YUV8_1X24 || + bus_format == MEDIA_BUS_FMT_YUV10_1X30) && + (output_mode == ROCKCHIP_OUT_MODE_AAAA || + output_mode == ROCKCHIP_OUT_MODE_P888))) + return true; + else + return false; +} + +static bool is_yuv_output(u32 bus_format) +{ + switch (bus_format) { + case MEDIA_BUS_FMT_YUV8_1X24: + case MEDIA_BUS_FMT_YUV10_1X30: + case MEDIA_BUS_FMT_UYYVYY8_0_5X24: + case MEDIA_BUS_FMT_UYYVYY10_0_5X30: + case MEDIA_BUS_FMT_YUYV8_2X8: + case MEDIA_BUS_FMT_YVYU8_2X8: + case MEDIA_BUS_FMT_UYVY8_2X8: + case MEDIA_BUS_FMT_VYUY8_2X8: + case MEDIA_BUS_FMT_YUYV8_1X16: + case MEDIA_BUS_FMT_YVYU8_1X16: + case MEDIA_BUS_FMT_UYVY8_1X16: + case MEDIA_BUS_FMT_VYUY8_1X16: + return true; + default: + return false; + } +} + +static bool rockchip_afbc(struct drm_plane *plane, u64 modifier) +{ + int i; + + if (modifier == DRM_FORMAT_MOD_LINEAR) + return false; + + for (i = 0 ; i < plane->modifier_count; i++) + if (plane->modifiers[i] == modifier) + return true; + + return false; +} + +static bool rockchip_vop2_mod_supported(struct drm_plane *plane, u32 format, + u64 modifier) +{ + struct vop2_win *win = to_vop2_win(plane); + struct vop2 *vop2 = win->vop2; + + if (modifier == DRM_FORMAT_MOD_INVALID) + return false; + + if (modifier == DRM_FORMAT_MOD_LINEAR) + return true; + + if (!rockchip_afbc(plane, modifier)) { + drm_err(vop2->drm, "Unsupported format modifier 0x%llx\n", + modifier); + + return false; + } + + return vop2_convert_afbc_format(format) >= 0; +} + +static u32 vop2_afbc_transform_offset(struct drm_plane_state *pstate, + bool afbc_half_block_en) +{ + struct drm_rect *src = &pstate->src; + struct drm_framebuffer *fb = pstate->fb; + u32 bpp = fb->format->cpp[0] * 8; + u32 vir_width = (fb->pitches[0] << 3) / bpp; + u32 width = drm_rect_width(src) >> 16; + u32 height = drm_rect_height(src) >> 16; + u32 act_xoffset = src->x1 >> 16; + u32 act_yoffset = src->y1 >> 16; + u32 align16_crop = 0; + u32 align64_crop = 0; + u32 height_tmp; + u8 tx, ty; + u8 bottom_crop_line_num = 0; + + /* 16 pixel align */ + if (height & 0xf) + align16_crop = 16 - (height & 0xf); + + height_tmp = height + align16_crop; + + /* 64 pixel align */ + if (height_tmp & 0x3f) + align64_crop = 64 - (height_tmp & 0x3f); + + bottom_crop_line_num = align16_crop + align64_crop; + + switch (pstate->rotation & + (DRM_MODE_REFLECT_X | DRM_MODE_REFLECT_Y | + DRM_MODE_ROTATE_90 | DRM_MODE_ROTATE_270)) { + case DRM_MODE_REFLECT_X | DRM_MODE_REFLECT_Y: + tx = 16 - ((act_xoffset + width) & 0xf); + ty = bottom_crop_line_num - act_yoffset; + break; + case DRM_MODE_REFLECT_X | DRM_MODE_ROTATE_90: + tx = bottom_crop_line_num - act_yoffset; + ty = vir_width - width - act_xoffset; + break; + case DRM_MODE_REFLECT_X | DRM_MODE_ROTATE_270: + tx = act_yoffset; + ty = act_xoffset; + break; + case DRM_MODE_REFLECT_X: + tx = 16 - ((act_xoffset + width) & 0xf); + ty = act_yoffset; + break; + case DRM_MODE_REFLECT_Y: + tx = act_xoffset; + ty = bottom_crop_line_num - act_yoffset; + break; + case DRM_MODE_ROTATE_90: + tx = bottom_crop_line_num - act_yoffset; + ty = act_xoffset; + break; + case DRM_MODE_ROTATE_270: + tx = act_yoffset; + ty = vir_width - width - act_xoffset; + break; + case 0: + tx = act_xoffset; + ty = act_yoffset; + break; + } + + if (afbc_half_block_en) + ty &= 0x7f; + +#define TRANSFORM_XOFFSET GENMASK(7, 0) +#define TRANSFORM_YOFFSET GENMASK(23, 16) + return FIELD_PREP(TRANSFORM_XOFFSET, tx) | + FIELD_PREP(TRANSFORM_YOFFSET, ty); +} + +/* + * A Cluster window has 2048 x 16 line buffer, which can + * works at 2048 x 16(Full) or 4096 x 8 (Half) mode. + * for Cluster_lb_mode register: + * 0: half mode, for plane input width range 2048 ~ 4096 + * 1: half mode, for cluster work at 2 * 2048 plane mode + * 2: half mode, for rotate_90/270 mode + * + */ +static int vop2_get_cluster_lb_mode(struct vop2_win *win, + struct drm_plane_state *pstate) +{ + if ((pstate->rotation & DRM_MODE_ROTATE_270) || + (pstate->rotation & DRM_MODE_ROTATE_90)) + return 2; + else + return 0; +} + +static u16 vop2_scale_factor(u32 src, u32 dst) +{ + u32 fac; + int shift; + + if (src == dst) + return 0; + + if (dst < 2) + return U16_MAX; + + if (src < 2) + return 0; + + if (src > dst) + shift = 12; + else + shift = 16; + + src--; + dst--; + + fac = DIV_ROUND_UP(src << shift, dst) - 1; + + if (fac > U16_MAX) + return U16_MAX; + + return fac; +} + +static void vop2_setup_scale(struct vop2 *vop2, const struct vop2_win *win, + u32 src_w, u32 src_h, u32 dst_w, + u32 dst_h, u32 pixel_format) +{ + const struct drm_format_info *info; + u16 hor_scl_mode, ver_scl_mode; + u16 hscl_filter_mode, vscl_filter_mode; + u8 gt2 = 0; + u8 gt4 = 0; + u32 val; + + info = drm_format_info(pixel_format); + + if (src_h >= (4 * dst_h)) { + gt4 = 1; + src_h >>= 2; + } else if (src_h >= (2 * dst_h)) { + gt2 = 1; + src_h >>= 1; + } + + hor_scl_mode = scl_get_scl_mode(src_w, dst_w); + ver_scl_mode = scl_get_scl_mode(src_h, dst_h); + + if (hor_scl_mode == SCALE_UP) + hscl_filter_mode = VOP2_SCALE_UP_BIC; + else + hscl_filter_mode = VOP2_SCALE_DOWN_BIL; + + if (ver_scl_mode == SCALE_UP) + vscl_filter_mode = VOP2_SCALE_UP_BIL; + else + vscl_filter_mode = VOP2_SCALE_DOWN_BIL; + + /* + * RK3568 VOP Esmart/Smart dsp_w should be even pixel + * at scale down mode + */ + if (!(win->data->feature & WIN_FEATURE_AFBDC)) { + if ((hor_scl_mode == SCALE_DOWN) && (dst_w & 0x1)) { + drm_dbg(vop2->drm, "%s dst_w[%d] should align as 2 pixel\n", + win->data->name, dst_w); + dst_w++; + } + } + + val = vop2_scale_factor(src_w, dst_w); + vop2_win_write(win, VOP2_WIN_SCALE_YRGB_X, val); + val = vop2_scale_factor(src_h, dst_h); + vop2_win_write(win, VOP2_WIN_SCALE_YRGB_Y, val); + + vop2_win_write(win, VOP2_WIN_VSD_YRGB_GT4, gt4); + vop2_win_write(win, VOP2_WIN_VSD_YRGB_GT2, gt2); + + vop2_win_write(win, VOP2_WIN_YRGB_HOR_SCL_MODE, hor_scl_mode); + vop2_win_write(win, VOP2_WIN_YRGB_VER_SCL_MODE, ver_scl_mode); + + if (vop2_cluster_window(win)) + return; + + vop2_win_write(win, VOP2_WIN_YRGB_HSCL_FILTER_MODE, hscl_filter_mode); + vop2_win_write(win, VOP2_WIN_YRGB_VSCL_FILTER_MODE, vscl_filter_mode); + + if (info->is_yuv) { + src_w /= info->hsub; + src_h /= info->vsub; + + gt4 = 0; + gt2 = 0; + + if (src_h >= (4 * dst_h)) { + gt4 = 1; + src_h >>= 2; + } else if (src_h >= (2 * dst_h)) { + gt2 = 1; + src_h >>= 1; + } + + hor_scl_mode = scl_get_scl_mode(src_w, dst_w); + ver_scl_mode = scl_get_scl_mode(src_h, dst_h); + + val = vop2_scale_factor(src_w, dst_w); + vop2_win_write(win, VOP2_WIN_SCALE_CBCR_X, val); + + val = vop2_scale_factor(src_h, dst_h); + vop2_win_write(win, VOP2_WIN_SCALE_CBCR_Y, val); + + vop2_win_write(win, VOP2_WIN_VSD_CBCR_GT4, gt4); + vop2_win_write(win, VOP2_WIN_VSD_CBCR_GT2, gt2); + vop2_win_write(win, VOP2_WIN_CBCR_HOR_SCL_MODE, hor_scl_mode); + vop2_win_write(win, VOP2_WIN_CBCR_VER_SCL_MODE, ver_scl_mode); + vop2_win_write(win, VOP2_WIN_CBCR_HSCL_FILTER_MODE, hscl_filter_mode); + vop2_win_write(win, VOP2_WIN_CBCR_VSCL_FILTER_MODE, vscl_filter_mode); + } +} + +static int vop2_convert_csc_mode(int csc_mode) +{ + switch (csc_mode) { + case V4L2_COLORSPACE_SMPTE170M: + case V4L2_COLORSPACE_470_SYSTEM_M: + case V4L2_COLORSPACE_470_SYSTEM_BG: + return CSC_BT601L; + case V4L2_COLORSPACE_REC709: + case V4L2_COLORSPACE_SMPTE240M: + case V4L2_COLORSPACE_DEFAULT: + return CSC_BT709L; + case V4L2_COLORSPACE_JPEG: + return CSC_BT601F; + case V4L2_COLORSPACE_BT2020: + return CSC_BT2020; + default: + return CSC_BT709L; + } +} + +/* + * colorspace path: + * Input Win csc Output + * 1. YUV(2020) --> Y2R->2020To709->R2Y --> YUV_OUTPUT(601/709) + * RGB --> R2Y __/ + * + * 2. YUV(2020) --> bypasss --> YUV_OUTPUT(2020) + * RGB --> 709To2020->R2Y __/ + * + * 3. YUV(2020) --> Y2R->2020To709 --> RGB_OUTPUT(709) + * RGB --> R2Y __/ + * + * 4. YUV(601/709)-> Y2R->709To2020->R2Y --> YUV_OUTPUT(2020) + * RGB --> 709To2020->R2Y __/ + * + * 5. YUV(601/709)-> bypass --> YUV_OUTPUT(709) + * RGB --> R2Y __/ + * + * 6. YUV(601/709)-> bypass --> YUV_OUTPUT(601) + * RGB --> R2Y(601) __/ + * + * 7. YUV --> Y2R(709) --> RGB_OUTPUT(709) + * RGB --> bypass __/ + * + * 8. RGB --> 709To2020->R2Y --> YUV_OUTPUT(2020) + * + * 9. RGB --> R2Y(709) --> YUV_OUTPUT(709) + * + * 10. RGB --> R2Y(601) --> YUV_OUTPUT(601) + * + * 11. RGB --> bypass --> RGB_OUTPUT(709) + */ + +static void vop2_setup_csc_mode(struct vop2_video_port *vp, + struct vop2_win *win, + struct drm_plane_state *pstate) +{ + struct rockchip_crtc_state *vcstate = to_rockchip_crtc_state(vp->crtc.state); + int is_input_yuv = pstate->fb->format->is_yuv; + int is_output_yuv = is_yuv_output(vcstate->bus_format); + int input_csc = V4L2_COLORSPACE_DEFAULT; + int output_csc = vcstate->color_space; + bool r2y_en, y2r_en; + int csc_mode; + + if (is_input_yuv && !is_output_yuv) { + y2r_en = true; + r2y_en = false; + csc_mode = vop2_convert_csc_mode(input_csc); + } else if (!is_input_yuv && is_output_yuv) { + y2r_en = false; + r2y_en = true; + csc_mode = vop2_convert_csc_mode(output_csc); + } else { + y2r_en = false; + r2y_en = false; + csc_mode = false; + } + + vop2_win_write(win, VOP2_WIN_Y2R_EN, y2r_en); + vop2_win_write(win, VOP2_WIN_R2Y_EN, r2y_en); + vop2_win_write(win, VOP2_WIN_CSC_MODE, csc_mode); +} + +static void vop2_crtc_enable_irq(struct vop2_video_port *vp, u32 irq) +{ + struct vop2 *vop2 = vp->vop2; + + vop2_writel(vop2, RK3568_VP_INT_CLR(vp->id), irq << 16 | irq); + vop2_writel(vop2, RK3568_VP_INT_EN(vp->id), irq << 16 | irq); +} + +static void vop2_crtc_disable_irq(struct vop2_video_port *vp, u32 irq) +{ + struct vop2 *vop2 = vp->vop2; + + vop2_writel(vop2, RK3568_VP_INT_EN(vp->id), irq << 16); +} + +static int vop2_core_clks_prepare_enable(struct vop2 *vop2) +{ + int ret; + + ret = clk_prepare_enable(vop2->hclk); + if (ret < 0) { + drm_err(vop2->drm, "failed to enable hclk - %d\n", ret); + return ret; + } + + ret = clk_prepare_enable(vop2->aclk); + if (ret < 0) { + drm_err(vop2->drm, "failed to enable aclk - %d\n", ret); + goto err; + } + + return 0; +err: + clk_disable_unprepare(vop2->hclk); + + return ret; +} + +static void vop2_enable(struct vop2 *vop2) +{ + int ret; + + ret = pm_runtime_resume_and_get(vop2->dev); + if (ret < 0) { + drm_err(vop2->drm, "failed to get pm runtime: %d\n", ret); + return; + } + + ret = vop2_core_clks_prepare_enable(vop2); + if (ret) { + pm_runtime_put_sync(vop2->dev); + return; + } + + ret = rockchip_drm_dma_attach_device(vop2->drm, vop2->dev); + if (ret) { + drm_err(vop2->drm, "failed to attach dma mapping, %d\n", ret); + return; + } + + regcache_sync(vop2->map); + + if (vop2->data->soc_id == 3566) + vop2_writel(vop2, RK3568_OTP_WIN_EN, 1); + + vop2_writel(vop2, RK3568_REG_CFG_DONE, RK3568_REG_CFG_DONE__GLB_CFG_DONE_EN); + + /* + * Disable auto gating, this is a workaround to + * avoid display image shift when a window enabled. + */ + regmap_clear_bits(vop2->map, RK3568_SYS_AUTO_GATING_CTRL, + RK3568_SYS_AUTO_GATING_CTRL__AUTO_GATING_EN); + + vop2_writel(vop2, RK3568_SYS0_INT_CLR, + VOP2_INT_BUS_ERRPR << 16 | VOP2_INT_BUS_ERRPR); + vop2_writel(vop2, RK3568_SYS0_INT_EN, + VOP2_INT_BUS_ERRPR << 16 | VOP2_INT_BUS_ERRPR); + vop2_writel(vop2, RK3568_SYS1_INT_CLR, + VOP2_INT_BUS_ERRPR << 16 | VOP2_INT_BUS_ERRPR); + vop2_writel(vop2, RK3568_SYS1_INT_EN, + VOP2_INT_BUS_ERRPR << 16 | VOP2_INT_BUS_ERRPR); +} + +static void vop2_disable(struct vop2 *vop2) +{ + rockchip_drm_dma_detach_device(vop2->drm, vop2->dev); + + pm_runtime_put_sync(vop2->dev); + + regcache_mark_dirty(vop2->map); + + clk_disable_unprepare(vop2->aclk); + clk_disable_unprepare(vop2->hclk); +} + +static void vop2_crtc_atomic_disable(struct drm_crtc *crtc, + struct drm_atomic_state *state) +{ + struct vop2_video_port *vp = to_vop2_video_port(crtc); + struct vop2 *vop2 = vp->vop2; + struct drm_crtc_state *old_crtc_state; + int ret; + + vop2_lock(vop2); + + old_crtc_state = drm_atomic_get_old_crtc_state(state, crtc); + drm_atomic_helper_disable_planes_on_crtc(old_crtc_state, false); + + drm_crtc_vblank_off(crtc); + + /* + * Vop standby will take effect at end of current frame, + * if dsp hold valid irq happen, it means standby complete. + * + * we must wait standby complete when we want to disable aclk, + * if not, memory bus maybe dead. + */ + reinit_completion(&vp->dsp_hold_completion); + + vop2_crtc_enable_irq(vp, VP_INT_DSP_HOLD_VALID); + + vop2_vp_write(vp, RK3568_VP_DSP_CTRL, RK3568_VP_DSP_CTRL__STANDBY); + + ret = wait_for_completion_timeout(&vp->dsp_hold_completion, + msecs_to_jiffies(50)); + if (!ret) + drm_info(vop2->drm, "wait for vp%d dsp_hold timeout\n", vp->id); + + vop2_crtc_disable_irq(vp, VP_INT_DSP_HOLD_VALID); + + clk_disable_unprepare(vp->dclk); + + vop2->enable_count--; + + if (!vop2->enable_count) + vop2_disable(vop2); + + vop2_unlock(vop2); + + if (crtc->state->event && !crtc->state->active) { + spin_lock_irq(&crtc->dev->event_lock); + drm_crtc_send_vblank_event(crtc, crtc->state->event); + spin_unlock_irq(&crtc->dev->event_lock); + + crtc->state->event = NULL; + } +} + +static int vop2_plane_atomic_check(struct drm_plane *plane, + struct drm_atomic_state *astate) +{ + struct drm_plane_state *pstate = drm_atomic_get_new_plane_state(astate, plane); + struct drm_framebuffer *fb = pstate->fb; + struct drm_crtc *crtc = pstate->crtc; + struct drm_crtc_state *cstate; + struct vop2_video_port *vp; + struct vop2 *vop2; + const struct vop2_data *vop2_data; + struct drm_rect *dest = &pstate->dst; + struct drm_rect *src = &pstate->src; + int min_scale = FRAC_16_16(1, 8); + int max_scale = FRAC_16_16(8, 1); + int format; + int ret; + + if (!crtc) + return 0; + + vp = to_vop2_video_port(crtc); + vop2 = vp->vop2; + vop2_data = vop2->data; + + cstate = drm_atomic_get_existing_crtc_state(pstate->state, crtc); + if (WARN_ON(!cstate)) + return -EINVAL; + + ret = drm_atomic_helper_check_plane_state(pstate, cstate, + min_scale, max_scale, + true, true); + if (ret) + return ret; + + if (!pstate->visible) + return 0; + + format = vop2_convert_format(fb->format->format); + if (format < 0) + return format; + + if (drm_rect_width(src) >> 16 < 4 || drm_rect_height(src) >> 16 < 4 || + drm_rect_width(dest) < 4 || drm_rect_width(dest) < 4) { + drm_err(vop2->drm, "Invalid size: %dx%d->%dx%d, min size is 4x4\n", + drm_rect_width(src) >> 16, drm_rect_height(src) >> 16, + drm_rect_width(dest), drm_rect_height(dest)); + pstate->visible = false; + return 0; + } + + if (drm_rect_width(src) >> 16 > vop2_data->max_input.width || + drm_rect_height(src) >> 16 > vop2_data->max_input.height) { + drm_err(vop2->drm, "Invalid source: %dx%d. max input: %dx%d\n", + drm_rect_width(src) >> 16, + drm_rect_height(src) >> 16, + vop2_data->max_input.width, + vop2_data->max_input.height); + return -EINVAL; + } + + /* + * Src.x1 can be odd when do clip, but yuv plane start point + * need align with 2 pixel. + */ + if (fb->format->is_yuv && ((pstate->src.x1 >> 16) % 2)) { + drm_err(vop2->drm, "Invalid Source: Yuv format not support odd xpos\n"); + return -EINVAL; + } + + return 0; +} + +static void vop2_plane_atomic_disable(struct drm_plane *plane, + struct drm_atomic_state *state) +{ + struct drm_plane_state *old_pstate = NULL; + struct vop2_win *win = to_vop2_win(plane); + struct vop2 *vop2 = win->vop2; + + drm_dbg(vop2->drm, "%s disable\n", win->data->name); + + if (state) + old_pstate = drm_atomic_get_old_plane_state(state, plane); + if (old_pstate && !old_pstate->crtc) + return; + + vop2_win_disable(win); + vop2_win_write(win, VOP2_WIN_YUV_CLIP, 0); +} + +/* + * The color key is 10 bit, so all format should + * convert to 10 bit here. + */ +static void vop2_plane_setup_color_key(struct drm_plane *plane, u32 color_key) +{ + struct drm_plane_state *pstate = plane->state; + struct drm_framebuffer *fb = pstate->fb; + struct vop2_win *win = to_vop2_win(plane); + u32 color_key_en = 0; + u32 r = 0; + u32 g = 0; + u32 b = 0; + + if (!(color_key & VOP2_COLOR_KEY_MASK) || fb->format->is_yuv) { + vop2_win_write(win, VOP2_WIN_COLOR_KEY_EN, 0); + return; + } + + switch (fb->format->format) { + case DRM_FORMAT_RGB565: + case DRM_FORMAT_BGR565: + r = (color_key & 0xf800) >> 11; + g = (color_key & 0x7e0) >> 5; + b = (color_key & 0x1f); + r <<= 5; + g <<= 4; + b <<= 5; + color_key_en = 1; + break; + case DRM_FORMAT_XRGB8888: + case DRM_FORMAT_ARGB8888: + case DRM_FORMAT_XBGR8888: + case DRM_FORMAT_ABGR8888: + case DRM_FORMAT_RGB888: + case DRM_FORMAT_BGR888: + r = (color_key & 0xff0000) >> 16; + g = (color_key & 0xff00) >> 8; + b = (color_key & 0xff); + r <<= 2; + g <<= 2; + b <<= 2; + color_key_en = 1; + break; + } + + vop2_win_write(win, VOP2_WIN_COLOR_KEY_EN, color_key_en); + vop2_win_write(win, VOP2_WIN_COLOR_KEY, (r << 20) | (g << 10) | b); +} + +static void vop2_plane_atomic_update(struct drm_plane *plane, + struct drm_atomic_state *state) +{ + struct drm_plane_state *pstate = plane->state; + struct drm_crtc *crtc = pstate->crtc; + struct vop2_win *win = to_vop2_win(plane); + struct vop2_video_port *vp = to_vop2_video_port(crtc); + struct drm_display_mode *adjusted_mode = &crtc->state->adjusted_mode; + struct vop2 *vop2 = win->vop2; + struct drm_framebuffer *fb = pstate->fb; + u32 bpp = fb->format->cpp[0] * 8; + u32 actual_w, actual_h, dsp_w, dsp_h; + u32 act_info, dsp_info; + u32 format; + u32 afbc_format; + u32 rb_swap; + u32 uv_swap; + struct drm_rect *src = &pstate->src; + struct drm_rect *dest = &pstate->dst; + u32 afbc_tile_num; + u32 transform_offset; + bool dither_up; + bool xmirror = pstate->rotation & DRM_MODE_REFLECT_X ? true : false; + bool ymirror = pstate->rotation & DRM_MODE_REFLECT_Y ? true : false; + bool rotate_270 = pstate->rotation & DRM_MODE_ROTATE_270; + bool rotate_90 = pstate->rotation & DRM_MODE_ROTATE_90; + struct rockchip_gem_object *rk_obj; + unsigned long offset; + bool afbc_en; + dma_addr_t yrgb_mst; + dma_addr_t uv_mst; + + /* + * can't update plane when vop2 is disabled. + */ + if (WARN_ON(!crtc)) + return; + + if (!pstate->visible) { + vop2_plane_atomic_disable(plane, state); + return; + } + + afbc_en = rockchip_afbc(plane, fb->modifier); + + offset = (src->x1 >> 16) * fb->format->cpp[0]; + + /* + * AFBC HDR_PTR must set to the zero offset of the framebuffer. + */ + if (afbc_en) + offset = 0; + else if (pstate->rotation & DRM_MODE_REFLECT_Y) + offset += ((src->y2 >> 16) - 1) * fb->pitches[0]; + else + offset += (src->y1 >> 16) * fb->pitches[0]; + + rk_obj = to_rockchip_obj(fb->obj[0]); + + yrgb_mst = rk_obj->dma_addr + offset + fb->offsets[0]; + if (fb->format->is_yuv) { + int hsub = fb->format->hsub; + int vsub = fb->format->vsub; + + offset = (src->x1 >> 16) * fb->format->cpp[1] / hsub; + offset += (src->y1 >> 16) * fb->pitches[1] / vsub; + + if ((pstate->rotation & DRM_MODE_REFLECT_Y) && !afbc_en) + offset += fb->pitches[1] * ((pstate->src_h >> 16) - 2) / vsub; + + rk_obj = to_rockchip_obj(fb->obj[0]); + uv_mst = rk_obj->dma_addr + offset + fb->offsets[1]; + } + + actual_w = drm_rect_width(src) >> 16; + actual_h = drm_rect_height(src) >> 16; + dsp_w = drm_rect_width(dest); + + if (dest->x1 + dsp_w > adjusted_mode->hdisplay) { + drm_err(vop2->drm, "vp%d %s dest->x1[%d] + dsp_w[%d] exceed mode hdisplay[%d]\n", + vp->id, win->data->name, dest->x1, dsp_w, adjusted_mode->hdisplay); + dsp_w = adjusted_mode->hdisplay - dest->x1; + if (dsp_w < 4) + dsp_w = 4; + actual_w = dsp_w * actual_w / drm_rect_width(dest); + } + + dsp_h = drm_rect_height(dest); + + if (dest->y1 + dsp_h > adjusted_mode->vdisplay) { + drm_err(vop2->drm, "vp%d %s dest->y1[%d] + dsp_h[%d] exceed mode vdisplay[%d]\n", + vp->id, win->data->name, dest->y1, dsp_h, adjusted_mode->vdisplay); + dsp_h = adjusted_mode->vdisplay - dest->y1; + if (dsp_h < 4) + dsp_h = 4; + actual_h = dsp_h * actual_h / drm_rect_height(dest); + } + + /* + * This is workaround solution for IC design: + * esmart can't support scale down when actual_w % 16 == 1. + */ + if (!(win->data->feature & WIN_FEATURE_AFBDC)) { + if (actual_w > dsp_w && (actual_w & 0xf) == 1) { + drm_err(vop2->drm, "vp%d %s act_w[%d] MODE 16 == 1\n", + vp->id, win->data->name, actual_w); + actual_w -= 1; + } + } + + if (afbc_en && actual_w % 4) { + drm_err(vop2->drm, "vp%d %s actual_w[%d] not 4 pixel aligned\n", + vp->id, win->data->name, actual_w); + actual_w = ALIGN_DOWN(actual_w, 4); + } + + act_info = (actual_h - 1) << 16 | ((actual_w - 1) & 0xffff); + dsp_info = (dsp_h - 1) << 16 | ((dsp_w - 1) & 0xffff); + + format = vop2_convert_format(fb->format->format); + + drm_dbg(vop2->drm, "vp%d update %s[%dx%d->%dx%d@%dx%d] fmt[%p4cc_%s] addr[%pad]\n", + vp->id, win->data->name, actual_w, actual_h, dsp_w, dsp_h, + dest->x1, dest->y1, + &fb->format->format, + afbc_en ? "AFBC" : "", &yrgb_mst); + + if (afbc_en) { + u32 stride; + + /* the afbc superblock is 16 x 16 */ + afbc_format = vop2_convert_afbc_format(fb->format->format); + + /* Enable color transform for YTR */ + if (fb->modifier & AFBC_FORMAT_MOD_YTR) + afbc_format |= (1 << 4); + + afbc_tile_num = ALIGN(actual_w, 16) >> 4; + + /* + * AFBC pic_vir_width is count by pixel, this is different + * with WIN_VIR_STRIDE. + */ + stride = (fb->pitches[0] << 3) / bpp; + if ((stride & 0x3f) && (xmirror || rotate_90 || rotate_270)) + drm_err(vop2->drm, "vp%d %s stride[%d] not 64 pixel aligned\n", + vp->id, win->data->name, stride); + + rb_swap = vop2_afbc_rb_swap(fb->format->format); + uv_swap = vop2_afbc_uv_swap(fb->format->format); + /* + * This is a workaround for crazy IC design, Cluster + * and Esmart/Smart use different format configuration map: + * YUV420_10BIT: 0x10 for Cluster, 0x14 for Esmart/Smart. + * + * This is one thing we can make the convert simple: + * AFBCD decode all the YUV data to YUV444. So we just + * set all the yuv 10 bit to YUV444_10. + */ + if (fb->format->is_yuv && bpp == 10) + format = VOP2_CLUSTER_YUV444_10; + + if (vop2_cluster_window(win)) + vop2_win_write(win, VOP2_WIN_AFBC_ENABLE, 1); + vop2_win_write(win, VOP2_WIN_AFBC_FORMAT, afbc_format); + vop2_win_write(win, VOP2_WIN_AFBC_RB_SWAP, rb_swap); + vop2_win_write(win, VOP2_WIN_AFBC_UV_SWAP, uv_swap); + vop2_win_write(win, VOP2_WIN_AFBC_AUTO_GATING_EN, 0); + vop2_win_write(win, VOP2_WIN_AFBC_BLOCK_SPLIT_EN, 0); + if (pstate->rotation & (DRM_MODE_ROTATE_270 | DRM_MODE_ROTATE_90)) { + vop2_win_write(win, VOP2_WIN_AFBC_HALF_BLOCK_EN, 0); + transform_offset = vop2_afbc_transform_offset(pstate, false); + } else { + vop2_win_write(win, VOP2_WIN_AFBC_HALF_BLOCK_EN, 1); + transform_offset = vop2_afbc_transform_offset(pstate, true); + } + vop2_win_write(win, VOP2_WIN_AFBC_HDR_PTR, yrgb_mst); + vop2_win_write(win, VOP2_WIN_AFBC_PIC_SIZE, act_info); + vop2_win_write(win, VOP2_WIN_AFBC_TRANSFORM_OFFSET, transform_offset); + vop2_win_write(win, VOP2_WIN_AFBC_PIC_OFFSET, ((src->x1 >> 16) | src->y1)); + vop2_win_write(win, VOP2_WIN_AFBC_DSP_OFFSET, (dest->x1 | (dest->y1 << 16))); + vop2_win_write(win, VOP2_WIN_AFBC_PIC_VIR_WIDTH, stride); + vop2_win_write(win, VOP2_WIN_AFBC_TILE_NUM, afbc_tile_num); + vop2_win_write(win, VOP2_WIN_XMIRROR, xmirror); + vop2_win_write(win, VOP2_WIN_AFBC_ROTATE_270, rotate_270); + vop2_win_write(win, VOP2_WIN_AFBC_ROTATE_90, rotate_90); + } else { + vop2_win_write(win, VOP2_WIN_YRGB_VIR, DIV_ROUND_UP(fb->pitches[0], 4)); + } + + vop2_win_write(win, VOP2_WIN_YMIRROR, ymirror); + + if (rotate_90 || rotate_270) { + act_info = swahw32(act_info); + actual_w = drm_rect_height(src) >> 16; + actual_h = drm_rect_width(src) >> 16; + } + + vop2_win_write(win, VOP2_WIN_FORMAT, format); + vop2_win_write(win, VOP2_WIN_YRGB_MST, yrgb_mst); + + rb_swap = vop2_win_rb_swap(fb->format->format); + vop2_win_write(win, VOP2_WIN_RB_SWAP, rb_swap); + if (!vop2_cluster_window(win)) { + uv_swap = vop2_win_uv_swap(fb->format->format); + vop2_win_write(win, VOP2_WIN_UV_SWAP, uv_swap); + } + + if (fb->format->is_yuv) { + vop2_win_write(win, VOP2_WIN_UV_VIR, DIV_ROUND_UP(fb->pitches[1], 4)); + vop2_win_write(win, VOP2_WIN_UV_MST, uv_mst); + } + + vop2_setup_scale(vop2, win, actual_w, actual_h, dsp_w, dsp_h, fb->format->format); + if (!vop2_cluster_window(win)) + vop2_plane_setup_color_key(plane, 0); + vop2_win_write(win, VOP2_WIN_ACT_INFO, act_info); + vop2_win_write(win, VOP2_WIN_DSP_INFO, dsp_info); + vop2_win_write(win, VOP2_WIN_DSP_ST, dest->y1 << 16 | (dest->x1 & 0xffff)); + + vop2_setup_csc_mode(vp, win, pstate); + + dither_up = vop2_win_dither_up(fb->format->format); + vop2_win_write(win, VOP2_WIN_DITHER_UP, dither_up); + + vop2_win_write(win, VOP2_WIN_ENABLE, 1); + + if (vop2_cluster_window(win)) { + int lb_mode = vop2_get_cluster_lb_mode(win, pstate); + + vop2_win_write(win, VOP2_WIN_CLUSTER_LB_MODE, lb_mode); + vop2_win_write(win, VOP2_WIN_CLUSTER_ENABLE, 1); + } +} + +static const struct drm_plane_helper_funcs vop2_plane_helper_funcs = { + .atomic_check = vop2_plane_atomic_check, + .atomic_update = vop2_plane_atomic_update, + .atomic_disable = vop2_plane_atomic_disable, +}; + +static const struct drm_plane_funcs vop2_plane_funcs = { + .update_plane = drm_atomic_helper_update_plane, + .disable_plane = drm_atomic_helper_disable_plane, + .destroy = drm_plane_cleanup, + .reset = drm_atomic_helper_plane_reset, + .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, + .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, + .format_mod_supported = rockchip_vop2_mod_supported, +}; + +static int vop2_crtc_enable_vblank(struct drm_crtc *crtc) +{ + struct vop2_video_port *vp = to_vop2_video_port(crtc); + + vop2_crtc_enable_irq(vp, VP_INT_FS_FIELD); + + return 0; +} + +static void vop2_crtc_disable_vblank(struct drm_crtc *crtc) +{ + struct vop2_video_port *vp = to_vop2_video_port(crtc); + + vop2_crtc_disable_irq(vp, VP_INT_FS_FIELD); +} + +static bool vop2_crtc_mode_fixup(struct drm_crtc *crtc, + const struct drm_display_mode *mode, + struct drm_display_mode *adj_mode) +{ + drm_mode_set_crtcinfo(adj_mode, CRTC_INTERLACE_HALVE_V | + CRTC_STEREO_DOUBLE); + + return true; +} + +static void vop2_dither_setup(struct drm_crtc *crtc, u32 *dsp_ctrl) +{ + struct rockchip_crtc_state *vcstate = to_rockchip_crtc_state(crtc->state); + + switch (vcstate->bus_format) { + case MEDIA_BUS_FMT_RGB565_1X16: + *dsp_ctrl |= RK3568_VP_DSP_CTRL__DITHER_DOWN_EN; + break; + case MEDIA_BUS_FMT_RGB666_1X18: + case MEDIA_BUS_FMT_RGB666_1X24_CPADHI: + case MEDIA_BUS_FMT_RGB666_1X7X3_SPWG: + *dsp_ctrl |= RK3568_VP_DSP_CTRL__DITHER_DOWN_EN; + *dsp_ctrl |= RGB888_TO_RGB666; + break; + case MEDIA_BUS_FMT_YUV8_1X24: + case MEDIA_BUS_FMT_UYYVYY8_0_5X24: + *dsp_ctrl |= RK3568_VP_DSP_CTRL__PRE_DITHER_DOWN_EN; + break; + default: + break; + } + + if (vcstate->output_mode != ROCKCHIP_OUT_MODE_AAAA) + *dsp_ctrl |= RK3568_VP_DSP_CTRL__PRE_DITHER_DOWN_EN; + + *dsp_ctrl |= FIELD_PREP(RK3568_VP_DSP_CTRL__DITHER_DOWN_SEL, + DITHER_DOWN_ALLEGRO); +} + +static void vop2_post_config(struct drm_crtc *crtc) +{ + struct vop2_video_port *vp = to_vop2_video_port(crtc); + struct drm_display_mode *mode = &crtc->state->adjusted_mode; + u16 vtotal = mode->crtc_vtotal; + u16 hdisplay = mode->crtc_hdisplay; + u16 hact_st = mode->crtc_htotal - mode->crtc_hsync_start; + u16 vdisplay = mode->crtc_vdisplay; + u16 vact_st = mode->crtc_vtotal - mode->crtc_vsync_start; + u32 left_margin = 100, right_margin = 100; + u32 top_margin = 100, bottom_margin = 100; + u16 hsize = hdisplay * (left_margin + right_margin) / 200; + u16 vsize = vdisplay * (top_margin + bottom_margin) / 200; + u16 hact_end, vact_end; + u32 val; + + vsize = rounddown(vsize, 2); + hsize = rounddown(hsize, 2); + hact_st += hdisplay * (100 - left_margin) / 200; + hact_end = hact_st + hsize; + val = hact_st << 16; + val |= hact_end; + vop2_vp_write(vp, RK3568_VP_POST_DSP_HACT_INFO, val); + vact_st += vdisplay * (100 - top_margin) / 200; + vact_end = vact_st + vsize; + val = vact_st << 16; + val |= vact_end; + vop2_vp_write(vp, RK3568_VP_POST_DSP_VACT_INFO, val); + val = scl_cal_scale2(vdisplay, vsize) << 16; + val |= scl_cal_scale2(hdisplay, hsize); + vop2_vp_write(vp, RK3568_VP_POST_SCL_FACTOR_YRGB, val); + + val = 0; + if (hdisplay != hsize) + val |= RK3568_VP_POST_SCL_CTRL__HSCALEDOWN; + if (vdisplay != vsize) + val |= RK3568_VP_POST_SCL_CTRL__VSCALEDOWN; + vop2_vp_write(vp, RK3568_VP_POST_SCL_CTRL, val); + + if (mode->flags & DRM_MODE_FLAG_INTERLACE) { + u16 vact_st_f1 = vtotal + vact_st + 1; + u16 vact_end_f1 = vact_st_f1 + vsize; + + val = vact_st_f1 << 16 | vact_end_f1; + vop2_vp_write(vp, RK3568_VP_POST_DSP_VACT_INFO_F1, val); + } + + vop2_vp_write(vp, RK3568_VP_DSP_BG, 0); +} + +static void rk3568_set_intf_mux(struct vop2_video_port *vp, int id, + u32 polflags) +{ + struct vop2 *vop2 = vp->vop2; + u32 die, dip; + + die = vop2_readl(vop2, RK3568_DSP_IF_EN); + dip = vop2_readl(vop2, RK3568_DSP_IF_POL); + + switch (id) { + case ROCKCHIP_VOP2_EP_RGB0: + die &= ~RK3568_SYS_DSP_INFACE_EN_RGB_MUX; + die |= RK3568_SYS_DSP_INFACE_EN_RGB | + FIELD_PREP(RK3568_SYS_DSP_INFACE_EN_RGB_MUX, vp->id); + if (polflags & POLFLAG_DCLK_INV) + regmap_write(vop2->grf, RK3568_GRF_VO_CON1, BIT(3 + 16) | BIT(3)); + else + regmap_write(vop2->grf, RK3568_GRF_VO_CON1, BIT(3 + 16)); + break; + case ROCKCHIP_VOP2_EP_HDMI0: + die &= ~RK3568_SYS_DSP_INFACE_EN_HDMI_MUX; + die |= RK3568_SYS_DSP_INFACE_EN_HDMI | + FIELD_PREP(RK3568_SYS_DSP_INFACE_EN_HDMI_MUX, vp->id); + dip &= ~RK3568_DSP_IF_POL__HDMI_PIN_POL; + dip |= FIELD_PREP(RK3568_DSP_IF_POL__HDMI_PIN_POL, polflags); + break; + case ROCKCHIP_VOP2_EP_EDP0: + die &= ~RK3568_SYS_DSP_INFACE_EN_EDP_MUX; + die |= RK3568_SYS_DSP_INFACE_EN_EDP | + FIELD_PREP(RK3568_SYS_DSP_INFACE_EN_EDP_MUX, vp->id); + dip &= ~RK3568_DSP_IF_POL__EDP_PIN_POL; + dip |= FIELD_PREP(RK3568_DSP_IF_POL__EDP_PIN_POL, polflags); + break; + case ROCKCHIP_VOP2_EP_MIPI0: + die &= ~RK3568_SYS_DSP_INFACE_EN_MIPI0_MUX; + die |= RK3568_SYS_DSP_INFACE_EN_MIPI0 | + FIELD_PREP(RK3568_SYS_DSP_INFACE_EN_MIPI0_MUX, vp->id); + dip &= ~RK3568_DSP_IF_POL__MIPI_PIN_POL; + dip |= FIELD_PREP(RK3568_DSP_IF_POL__MIPI_PIN_POL, polflags); + break; + case ROCKCHIP_VOP2_EP_MIPI1: + die &= ~RK3568_SYS_DSP_INFACE_EN_MIPI1_MUX; + die |= RK3568_SYS_DSP_INFACE_EN_MIPI1 | + FIELD_PREP(RK3568_SYS_DSP_INFACE_EN_MIPI1_MUX, vp->id); + dip &= ~RK3568_DSP_IF_POL__MIPI_PIN_POL; + dip |= FIELD_PREP(RK3568_DSP_IF_POL__MIPI_PIN_POL, polflags); + break; + case ROCKCHIP_VOP2_EP_LVDS0: + die &= ~RK3568_SYS_DSP_INFACE_EN_LVDS0_MUX; + die |= RK3568_SYS_DSP_INFACE_EN_LVDS0 | + FIELD_PREP(RK3568_SYS_DSP_INFACE_EN_LVDS0_MUX, vp->id); + dip &= ~RK3568_DSP_IF_POL__RGB_LVDS_PIN_POL; + dip |= FIELD_PREP(RK3568_DSP_IF_POL__RGB_LVDS_PIN_POL, polflags); + break; + case ROCKCHIP_VOP2_EP_LVDS1: + die &= ~RK3568_SYS_DSP_INFACE_EN_LVDS1_MUX; + die |= RK3568_SYS_DSP_INFACE_EN_LVDS1 | + FIELD_PREP(RK3568_SYS_DSP_INFACE_EN_LVDS1_MUX, vp->id); + dip &= ~RK3568_DSP_IF_POL__RGB_LVDS_PIN_POL; + dip |= FIELD_PREP(RK3568_DSP_IF_POL__RGB_LVDS_PIN_POL, polflags); + break; + default: + drm_err(vop2->drm, "Invalid interface id %d on vp%d\n", id, vp->id); + return; + } + + dip |= RK3568_DSP_IF_POL__CFG_DONE_IMD; + + vop2_writel(vop2, RK3568_DSP_IF_EN, die); + vop2_writel(vop2, RK3568_DSP_IF_POL, dip); +} + +static int us_to_vertical_line(struct drm_display_mode *mode, int us) +{ + return us * mode->clock / mode->htotal / 1000; +} + +static void vop2_crtc_atomic_enable(struct drm_crtc *crtc, + struct drm_atomic_state *state) +{ + struct vop2_video_port *vp = to_vop2_video_port(crtc); + struct vop2 *vop2 = vp->vop2; + const struct vop2_data *vop2_data = vop2->data; + const struct vop2_video_port_data *vp_data = &vop2_data->vp[vp->id]; + struct drm_crtc_state *crtc_state = drm_atomic_get_new_crtc_state(state, crtc); + struct rockchip_crtc_state *vcstate = to_rockchip_crtc_state(crtc->state); + struct drm_display_mode *mode = &crtc->state->adjusted_mode; + unsigned long clock = mode->crtc_clock * 1000; + u16 hsync_len = mode->crtc_hsync_end - mode->crtc_hsync_start; + u16 hdisplay = mode->crtc_hdisplay; + u16 htotal = mode->crtc_htotal; + u16 hact_st = mode->crtc_htotal - mode->crtc_hsync_start; + u16 hact_end = hact_st + hdisplay; + u16 vdisplay = mode->crtc_vdisplay; + u16 vtotal = mode->crtc_vtotal; + u16 vsync_len = mode->crtc_vsync_end - mode->crtc_vsync_start; + u16 vact_st = mode->crtc_vtotal - mode->crtc_vsync_start; + u16 vact_end = vact_st + vdisplay; + u8 out_mode; + u32 dsp_ctrl = 0; + int act_end; + u32 val, polflags; + int ret; + struct drm_encoder *encoder; + + drm_dbg(vop2->drm, "Update mode to %dx%d%s%d, type: %d for vp%d\n", + hdisplay, vdisplay, mode->flags & DRM_MODE_FLAG_INTERLACE ? "i" : "p", + drm_mode_vrefresh(mode), vcstate->output_type, vp->id); + + vop2_lock(vop2); + + ret = clk_prepare_enable(vp->dclk); + if (ret < 0) { + drm_err(vop2->drm, "failed to enable dclk for video port%d - %d\n", + vp->id, ret); + vop2_unlock(vop2); + return; + } + + if (!vop2->enable_count) + vop2_enable(vop2); + + vop2->enable_count++; + + vop2_crtc_enable_irq(vp, VP_INT_POST_BUF_EMPTY); + + polflags = 0; + if (vcstate->bus_flags & DRM_BUS_FLAG_PIXDATA_DRIVE_NEGEDGE) + polflags |= POLFLAG_DCLK_INV; + if (mode->flags & DRM_MODE_FLAG_PHSYNC) + polflags |= BIT(HSYNC_POSITIVE); + if (mode->flags & DRM_MODE_FLAG_PVSYNC) + polflags |= BIT(VSYNC_POSITIVE); + + drm_for_each_encoder_mask(encoder, crtc->dev, crtc_state->encoder_mask) { + struct rockchip_encoder *rkencoder = to_rockchip_encoder(encoder); + + rk3568_set_intf_mux(vp, rkencoder->crtc_endpoint_id, polflags); + } + + if (vcstate->output_mode == ROCKCHIP_OUT_MODE_AAAA && + !(vp_data->feature & VOP_FEATURE_OUTPUT_10BIT)) + out_mode = ROCKCHIP_OUT_MODE_P888; + else + out_mode = vcstate->output_mode; + + dsp_ctrl |= FIELD_PREP(RK3568_VP_DSP_CTRL__OUT_MODE, out_mode); + + if (vop2_output_uv_swap(vcstate->bus_format, vcstate->output_mode)) + dsp_ctrl |= RK3568_VP_DSP_CTRL__DSP_RB_SWAP; + + if (is_yuv_output(vcstate->bus_format)) + dsp_ctrl |= RK3568_VP_DSP_CTRL__POST_DSP_OUT_R2Y; + + vop2_dither_setup(crtc, &dsp_ctrl); + + vop2_vp_write(vp, RK3568_VP_DSP_HTOTAL_HS_END, (htotal << 16) | hsync_len); + val = hact_st << 16; + val |= hact_end; + vop2_vp_write(vp, RK3568_VP_DSP_HACT_ST_END, val); + + val = vact_st << 16; + val |= vact_end; + vop2_vp_write(vp, RK3568_VP_DSP_VACT_ST_END, val); + + if (mode->flags & DRM_MODE_FLAG_INTERLACE) { + u16 vact_st_f1 = vtotal + vact_st + 1; + u16 vact_end_f1 = vact_st_f1 + vdisplay; + + val = vact_st_f1 << 16 | vact_end_f1; + vop2_vp_write(vp, RK3568_VP_DSP_VACT_ST_END_F1, val); + + val = vtotal << 16 | (vtotal + vsync_len); + vop2_vp_write(vp, RK3568_VP_DSP_VS_ST_END_F1, val); + dsp_ctrl |= RK3568_VP_DSP_CTRL__DSP_INTERLACE; + dsp_ctrl |= RK3568_VP_DSP_CTRL__DSP_FILED_POL; + dsp_ctrl |= RK3568_VP_DSP_CTRL__P2I_EN; + vtotal += vtotal + 1; + act_end = vact_end_f1; + } else { + act_end = vact_end; + } + + vop2_writel(vop2, RK3568_VP_LINE_FLAG(vp->id), + (act_end - us_to_vertical_line(mode, 0)) << 16 | act_end); + + vop2_vp_write(vp, RK3568_VP_DSP_VTOTAL_VS_END, vtotal << 16 | vsync_len); + + if (mode->flags & DRM_MODE_FLAG_DBLCLK) { + dsp_ctrl |= RK3568_VP_DSP_CTRL__CORE_DCLK_DIV; + clock *= 2; + } + + vop2_vp_write(vp, RK3568_VP_MIPI_CTRL, 0); + + clk_set_rate(vp->dclk, clock); + + vop2_post_config(crtc); + + vop2_cfg_done(vp); + + vop2_vp_write(vp, RK3568_VP_DSP_CTRL, dsp_ctrl); + + drm_crtc_vblank_on(crtc); + + vop2_unlock(vop2); +} + +static int vop2_crtc_atomic_check(struct drm_crtc *crtc, + struct drm_atomic_state *state) +{ + struct vop2_video_port *vp = to_vop2_video_port(crtc); + struct drm_plane *plane; + int nplanes = 0; + struct drm_crtc_state *crtc_state = drm_atomic_get_new_crtc_state(state, crtc); + + drm_atomic_crtc_state_for_each_plane(plane, crtc_state) + nplanes++; + + if (nplanes > vp->nlayers) + return -EINVAL; + + return 0; +} + +static bool is_opaque(u16 alpha) +{ + return (alpha >> 8) == 0xff; +} + +static void vop2_parse_alpha(struct vop2_alpha_config *alpha_config, + struct vop2_alpha *alpha) +{ + int src_glb_alpha_en = is_opaque(alpha_config->src_glb_alpha_value) ? 0 : 1; + int dst_glb_alpha_en = is_opaque(alpha_config->dst_glb_alpha_value) ? 0 : 1; + int src_color_mode = alpha_config->src_premulti_en ? + ALPHA_SRC_PRE_MUL : ALPHA_SRC_NO_PRE_MUL; + int dst_color_mode = alpha_config->dst_premulti_en ? + ALPHA_SRC_PRE_MUL : ALPHA_SRC_NO_PRE_MUL; + + alpha->src_color_ctrl.val = 0; + alpha->dst_color_ctrl.val = 0; + alpha->src_alpha_ctrl.val = 0; + alpha->dst_alpha_ctrl.val = 0; + + if (!alpha_config->src_pixel_alpha_en) + alpha->src_color_ctrl.bits.blend_mode = ALPHA_GLOBAL; + else if (alpha_config->src_pixel_alpha_en && !src_glb_alpha_en) + alpha->src_color_ctrl.bits.blend_mode = ALPHA_PER_PIX; + else + alpha->src_color_ctrl.bits.blend_mode = ALPHA_PER_PIX_GLOBAL; + + alpha->src_color_ctrl.bits.alpha_en = 1; + + if (alpha->src_color_ctrl.bits.blend_mode == ALPHA_GLOBAL) { + alpha->src_color_ctrl.bits.color_mode = src_color_mode; + alpha->src_color_ctrl.bits.factor_mode = SRC_FAC_ALPHA_SRC_GLOBAL; + } else if (alpha->src_color_ctrl.bits.blend_mode == ALPHA_PER_PIX) { + alpha->src_color_ctrl.bits.color_mode = src_color_mode; + alpha->src_color_ctrl.bits.factor_mode = SRC_FAC_ALPHA_ONE; + } else { + alpha->src_color_ctrl.bits.color_mode = ALPHA_SRC_PRE_MUL; + alpha->src_color_ctrl.bits.factor_mode = SRC_FAC_ALPHA_SRC_GLOBAL; + } + alpha->src_color_ctrl.bits.glb_alpha = alpha_config->src_glb_alpha_value >> 8; + alpha->src_color_ctrl.bits.alpha_mode = ALPHA_STRAIGHT; + alpha->src_color_ctrl.bits.alpha_cal_mode = ALPHA_SATURATION; + + alpha->dst_color_ctrl.bits.alpha_mode = ALPHA_STRAIGHT; + alpha->dst_color_ctrl.bits.alpha_cal_mode = ALPHA_SATURATION; + alpha->dst_color_ctrl.bits.blend_mode = ALPHA_GLOBAL; + alpha->dst_color_ctrl.bits.glb_alpha = alpha_config->dst_glb_alpha_value >> 8; + alpha->dst_color_ctrl.bits.color_mode = dst_color_mode; + alpha->dst_color_ctrl.bits.factor_mode = ALPHA_SRC_INVERSE; + + alpha->src_alpha_ctrl.bits.alpha_mode = ALPHA_STRAIGHT; + alpha->src_alpha_ctrl.bits.blend_mode = alpha->src_color_ctrl.bits.blend_mode; + alpha->src_alpha_ctrl.bits.alpha_cal_mode = ALPHA_SATURATION; + alpha->src_alpha_ctrl.bits.factor_mode = ALPHA_ONE; + + alpha->dst_alpha_ctrl.bits.alpha_mode = ALPHA_STRAIGHT; + if (alpha_config->dst_pixel_alpha_en && !dst_glb_alpha_en) + alpha->dst_alpha_ctrl.bits.blend_mode = ALPHA_PER_PIX; + else + alpha->dst_alpha_ctrl.bits.blend_mode = ALPHA_PER_PIX_GLOBAL; + alpha->dst_alpha_ctrl.bits.alpha_cal_mode = ALPHA_NO_SATURATION; + alpha->dst_alpha_ctrl.bits.factor_mode = ALPHA_SRC_INVERSE; +} + +static int vop2_find_start_mixer_id_for_vp(struct vop2 *vop2, u8 port_id) +{ + struct vop2_video_port *vp; + int used_layer = 0; + int i; + + for (i = 0; i < port_id; i++) { + vp = &vop2->vps[i]; + used_layer += hweight32(vp->win_mask); + } + + return used_layer; +} + +static void vop2_setup_cluster_alpha(struct vop2 *vop2, struct vop2_win *main_win) +{ + u32 offset = (main_win->data->phys_id * 0x10); + struct vop2_alpha_config alpha_config; + struct vop2_alpha alpha; + struct drm_plane_state *bottom_win_pstate; + bool src_pixel_alpha_en = false; + u16 src_glb_alpha_val, dst_glb_alpha_val; + bool premulti_en = false; + bool swap = false; + + /* At one win mode, win0 is dst/bottom win, and win1 is a all zero src/top win */ + bottom_win_pstate = main_win->base.state; + src_glb_alpha_val = 0; + dst_glb_alpha_val = main_win->base.state->alpha; + + if (!bottom_win_pstate->fb) + return; + + alpha_config.src_premulti_en = premulti_en; + alpha_config.dst_premulti_en = false; + alpha_config.src_pixel_alpha_en = src_pixel_alpha_en; + alpha_config.dst_pixel_alpha_en = true; /* alpha value need transfer to next mix */ + alpha_config.src_glb_alpha_value = src_glb_alpha_val; + alpha_config.dst_glb_alpha_value = dst_glb_alpha_val; + vop2_parse_alpha(&alpha_config, &alpha); + + alpha.src_color_ctrl.bits.src_dst_swap = swap; + vop2_writel(vop2, RK3568_CLUSTER0_MIX_SRC_COLOR_CTRL + offset, + alpha.src_color_ctrl.val); + vop2_writel(vop2, RK3568_CLUSTER0_MIX_DST_COLOR_CTRL + offset, + alpha.dst_color_ctrl.val); + vop2_writel(vop2, RK3568_CLUSTER0_MIX_SRC_ALPHA_CTRL + offset, + alpha.src_alpha_ctrl.val); + vop2_writel(vop2, RK3568_CLUSTER0_MIX_DST_ALPHA_CTRL + offset, + alpha.dst_alpha_ctrl.val); +} + +static void vop2_setup_alpha(struct vop2_video_port *vp) +{ + struct vop2 *vop2 = vp->vop2; + struct drm_framebuffer *fb; + struct vop2_alpha_config alpha_config; + struct vop2_alpha alpha; + struct drm_plane *plane; + int pixel_alpha_en; + int premulti_en, gpremulti_en = 0; + int mixer_id; + u32 offset; + bool bottom_layer_alpha_en = false; + u32 dst_global_alpha = DRM_BLEND_ALPHA_OPAQUE; + + mixer_id = vop2_find_start_mixer_id_for_vp(vop2, vp->id); + alpha_config.dst_pixel_alpha_en = true; /* alpha value need transfer to next mix */ + + drm_atomic_crtc_for_each_plane(plane, &vp->crtc) { + struct vop2_win *win = to_vop2_win(plane); + + if (plane->state->normalized_zpos == 0 && + !is_opaque(plane->state->alpha) && + !vop2_cluster_window(win)) { + /* + * If bottom layer have global alpha effect [except cluster layer, + * because cluster have deal with bottom layer global alpha value + * at cluster mix], bottom layer mix need deal with global alpha. + */ + bottom_layer_alpha_en = true; + dst_global_alpha = plane->state->alpha; + } + } + + drm_atomic_crtc_for_each_plane(plane, &vp->crtc) { + struct vop2_win *win = to_vop2_win(plane); + int zpos = plane->state->normalized_zpos; + + if (plane->state->pixel_blend_mode == DRM_MODE_BLEND_PREMULTI) + premulti_en = 1; + else + premulti_en = 0; + + plane = &win->base; + fb = plane->state->fb; + + pixel_alpha_en = fb->format->has_alpha; + + alpha_config.src_premulti_en = premulti_en; + + if (bottom_layer_alpha_en && zpos == 1) { + gpremulti_en = premulti_en; + /* Cd = Cs + (1 - As) * Cd * Agd */ + alpha_config.dst_premulti_en = false; + alpha_config.src_pixel_alpha_en = pixel_alpha_en; + alpha_config.src_glb_alpha_value = plane->state->alpha; + alpha_config.dst_glb_alpha_value = dst_global_alpha; + } else if (vop2_cluster_window(win)) { + /* Mix output data only have pixel alpha */ + alpha_config.dst_premulti_en = true; + alpha_config.src_pixel_alpha_en = true; + alpha_config.src_glb_alpha_value = DRM_BLEND_ALPHA_OPAQUE; + alpha_config.dst_glb_alpha_value = DRM_BLEND_ALPHA_OPAQUE; + } else { + /* Cd = Cs + (1 - As) * Cd */ + alpha_config.dst_premulti_en = true; + alpha_config.src_pixel_alpha_en = pixel_alpha_en; + alpha_config.src_glb_alpha_value = plane->state->alpha; + alpha_config.dst_glb_alpha_value = DRM_BLEND_ALPHA_OPAQUE; + } + + vop2_parse_alpha(&alpha_config, &alpha); + + offset = (mixer_id + zpos - 1) * 0x10; + vop2_writel(vop2, RK3568_MIX0_SRC_COLOR_CTRL + offset, + alpha.src_color_ctrl.val); + vop2_writel(vop2, RK3568_MIX0_DST_COLOR_CTRL + offset, + alpha.dst_color_ctrl.val); + vop2_writel(vop2, RK3568_MIX0_SRC_ALPHA_CTRL + offset, + alpha.src_alpha_ctrl.val); + vop2_writel(vop2, RK3568_MIX0_DST_ALPHA_CTRL + offset, + alpha.dst_alpha_ctrl.val); + } + + if (vp->id == 0) { + if (bottom_layer_alpha_en) { + /* Transfer pixel alpha to hdr mix */ + alpha_config.src_premulti_en = gpremulti_en; + alpha_config.dst_premulti_en = true; + alpha_config.src_pixel_alpha_en = true; + alpha_config.src_glb_alpha_value = DRM_BLEND_ALPHA_OPAQUE; + alpha_config.dst_glb_alpha_value = DRM_BLEND_ALPHA_OPAQUE; + vop2_parse_alpha(&alpha_config, &alpha); + + vop2_writel(vop2, RK3568_HDR0_SRC_COLOR_CTRL, + alpha.src_color_ctrl.val); + vop2_writel(vop2, RK3568_HDR0_DST_COLOR_CTRL, + alpha.dst_color_ctrl.val); + vop2_writel(vop2, RK3568_HDR0_SRC_ALPHA_CTRL, + alpha.src_alpha_ctrl.val); + vop2_writel(vop2, RK3568_HDR0_DST_ALPHA_CTRL, + alpha.dst_alpha_ctrl.val); + } else { + vop2_writel(vop2, RK3568_HDR0_SRC_COLOR_CTRL, 0); + } + } +} + +static void vop2_setup_layer_mixer(struct vop2_video_port *vp) +{ + struct vop2 *vop2 = vp->vop2; + struct drm_plane *plane; + u32 layer_sel = 0; + u32 port_sel; + unsigned int nlayer, ofs; + struct drm_display_mode *adjusted_mode; + u16 hsync_len; + u16 hdisplay; + u32 bg_dly; + u32 pre_scan_dly; + int i; + struct vop2_video_port *vp0 = &vop2->vps[0]; + struct vop2_video_port *vp1 = &vop2->vps[1]; + struct vop2_video_port *vp2 = &vop2->vps[2]; + + adjusted_mode = &vp->crtc.state->adjusted_mode; + hsync_len = adjusted_mode->crtc_hsync_end - adjusted_mode->crtc_hsync_start; + hdisplay = adjusted_mode->crtc_hdisplay; + + bg_dly = vp->data->pre_scan_max_dly[3]; + vop2_writel(vop2, RK3568_VP_BG_MIX_CTRL(vp->id), + FIELD_PREP(RK3568_VP_BG_MIX_CTRL__BG_DLY, bg_dly)); + + pre_scan_dly = ((bg_dly + (hdisplay >> 1) - 1) << 16) | hsync_len; + vop2_vp_write(vp, RK3568_VP_PRE_SCAN_HTIMING, pre_scan_dly); + + vop2_writel(vop2, RK3568_OVL_CTRL, 0); + port_sel = vop2_readl(vop2, RK3568_OVL_PORT_SEL); + port_sel &= RK3568_OVL_PORT_SEL__SEL_PORT; + + if (vp0->nlayers) + port_sel |= FIELD_PREP(RK3568_OVL_PORT_SET__PORT0_MUX, + vp0->nlayers - 1); + else + port_sel |= FIELD_PREP(RK3568_OVL_PORT_SET__PORT0_MUX, 8); + + if (vp1->nlayers) + port_sel |= FIELD_PREP(RK3568_OVL_PORT_SET__PORT1_MUX, + (vp0->nlayers + vp1->nlayers - 1)); + else + port_sel |= FIELD_PREP(RK3568_OVL_PORT_SET__PORT1_MUX, 8); + + if (vp2->nlayers) + port_sel |= FIELD_PREP(RK3568_OVL_PORT_SET__PORT2_MUX, + (vp2->nlayers + vp1->nlayers + vp0->nlayers - 1)); + else + port_sel |= FIELD_PREP(RK3568_OVL_PORT_SET__PORT1_MUX, 8); + + layer_sel = vop2_readl(vop2, RK3568_OVL_LAYER_SEL); + + ofs = 0; + for (i = 0; i < vp->id; i++) + ofs += vop2->vps[i].nlayers; + + nlayer = 0; + drm_atomic_crtc_for_each_plane(plane, &vp->crtc) { + struct vop2_win *win = to_vop2_win(plane); + + switch (win->data->phys_id) { + case ROCKCHIP_VOP2_CLUSTER0: + port_sel &= ~RK3568_OVL_PORT_SEL__CLUSTER0; + port_sel |= FIELD_PREP(RK3568_OVL_PORT_SEL__CLUSTER0, vp->id); + break; + case ROCKCHIP_VOP2_CLUSTER1: + port_sel &= ~RK3568_OVL_PORT_SEL__CLUSTER1; + port_sel |= FIELD_PREP(RK3568_OVL_PORT_SEL__CLUSTER1, vp->id); + break; + case ROCKCHIP_VOP2_ESMART0: + port_sel &= ~RK3568_OVL_PORT_SEL__ESMART0; + port_sel |= FIELD_PREP(RK3568_OVL_PORT_SEL__ESMART0, vp->id); + break; + case ROCKCHIP_VOP2_ESMART1: + port_sel &= ~RK3568_OVL_PORT_SEL__ESMART1; + port_sel |= FIELD_PREP(RK3568_OVL_PORT_SEL__ESMART1, vp->id); + break; + case ROCKCHIP_VOP2_SMART0: + port_sel &= ~RK3568_OVL_PORT_SEL__SMART0; + port_sel |= FIELD_PREP(RK3568_OVL_PORT_SEL__SMART0, vp->id); + break; + case ROCKCHIP_VOP2_SMART1: + port_sel &= ~RK3568_OVL_PORT_SEL__SMART1; + port_sel |= FIELD_PREP(RK3568_OVL_PORT_SEL__SMART1, vp->id); + break; + } + + layer_sel &= ~RK3568_OVL_LAYER_SEL__LAYER(plane->state->normalized_zpos + ofs, + 0x7); + layer_sel |= RK3568_OVL_LAYER_SEL__LAYER(plane->state->normalized_zpos + ofs, + win->data->layer_sel_id); + nlayer++; + } + + /* configure unused layers to 0x5 (reserved) */ + for (; nlayer < vp->nlayers; nlayer++) { + layer_sel &= ~RK3568_OVL_LAYER_SEL__LAYER(nlayer + ofs, 0x7); + layer_sel |= RK3568_OVL_LAYER_SEL__LAYER(nlayer + ofs, 5); + } + + vop2_writel(vop2, RK3568_OVL_LAYER_SEL, layer_sel); + vop2_writel(vop2, RK3568_OVL_PORT_SEL, port_sel); + vop2_writel(vop2, RK3568_OVL_CTRL, RK3568_OVL_CTRL__LAYERSEL_REGDONE_IMD); +} + +static void vop2_setup_dly_for_windows(struct vop2 *vop2) +{ + struct vop2_win *win; + int i = 0; + u32 cdly = 0, sdly = 0; + + for (i = 0; i < vop2->data->win_size; i++) { + u32 dly; + + win = &vop2->win[i]; + dly = win->delay; + + switch (win->data->phys_id) { + case ROCKCHIP_VOP2_CLUSTER0: + cdly |= FIELD_PREP(RK3568_CLUSTER_DLY_NUM__CLUSTER0_0, dly); + cdly |= FIELD_PREP(RK3568_CLUSTER_DLY_NUM__CLUSTER0_1, dly); + break; + case ROCKCHIP_VOP2_CLUSTER1: + cdly |= FIELD_PREP(RK3568_CLUSTER_DLY_NUM__CLUSTER1_0, dly); + cdly |= FIELD_PREP(RK3568_CLUSTER_DLY_NUM__CLUSTER1_1, dly); + break; + case ROCKCHIP_VOP2_ESMART0: + sdly |= FIELD_PREP(RK3568_SMART_DLY_NUM__ESMART0, dly); + break; + case ROCKCHIP_VOP2_ESMART1: + sdly |= FIELD_PREP(RK3568_SMART_DLY_NUM__ESMART1, dly); + break; + case ROCKCHIP_VOP2_SMART0: + sdly |= FIELD_PREP(RK3568_SMART_DLY_NUM__SMART0, dly); + break; + case ROCKCHIP_VOP2_SMART1: + sdly |= FIELD_PREP(RK3568_SMART_DLY_NUM__SMART1, dly); + break; + } + } + + vop2_writel(vop2, RK3568_CLUSTER_DLY_NUM, cdly); + vop2_writel(vop2, RK3568_SMART_DLY_NUM, sdly); +} + +static void vop2_crtc_atomic_begin(struct drm_crtc *crtc, + struct drm_atomic_state *state) +{ + struct vop2_video_port *vp = to_vop2_video_port(crtc); + struct vop2 *vop2 = vp->vop2; + struct drm_plane *plane; + + vp->win_mask = 0; + + drm_atomic_crtc_for_each_plane(plane, crtc) { + struct vop2_win *win = to_vop2_win(plane); + + win->delay = win->data->dly[VOP2_DLY_MODE_DEFAULT]; + + vp->win_mask |= BIT(win->data->phys_id); + + if (vop2_cluster_window(win)) + vop2_setup_cluster_alpha(vop2, win); + } + + if (!vp->win_mask) + return; + + vop2_setup_layer_mixer(vp); + vop2_setup_alpha(vp); + vop2_setup_dly_for_windows(vop2); +} + +static void vop2_crtc_atomic_flush(struct drm_crtc *crtc, + struct drm_atomic_state *state) +{ + struct vop2_video_port *vp = to_vop2_video_port(crtc); + + vop2_post_config(crtc); + + vop2_cfg_done(vp); + + spin_lock_irq(&crtc->dev->event_lock); + + if (crtc->state->event) { + WARN_ON(drm_crtc_vblank_get(crtc)); + vp->event = crtc->state->event; + crtc->state->event = NULL; + } + + spin_unlock_irq(&crtc->dev->event_lock); +} + +static const struct drm_crtc_helper_funcs vop2_crtc_helper_funcs = { + .mode_fixup = vop2_crtc_mode_fixup, + .atomic_check = vop2_crtc_atomic_check, + .atomic_begin = vop2_crtc_atomic_begin, + .atomic_flush = vop2_crtc_atomic_flush, + .atomic_enable = vop2_crtc_atomic_enable, + .atomic_disable = vop2_crtc_atomic_disable, +}; + +static struct drm_crtc_state *vop2_crtc_duplicate_state(struct drm_crtc *crtc) +{ + struct rockchip_crtc_state *vcstate; + + if (WARN_ON(!crtc->state)) + return NULL; + + vcstate = kmemdup(to_rockchip_crtc_state(crtc->state), + sizeof(*vcstate), GFP_KERNEL); + if (!vcstate) + return NULL; + + __drm_atomic_helper_crtc_duplicate_state(crtc, &vcstate->base); + + return &vcstate->base; +} + +static void vop2_crtc_destroy_state(struct drm_crtc *crtc, + struct drm_crtc_state *state) +{ + struct rockchip_crtc_state *vcstate = to_rockchip_crtc_state(state); + + __drm_atomic_helper_crtc_destroy_state(&vcstate->base); + kfree(vcstate); +} + +static void vop2_crtc_reset(struct drm_crtc *crtc) +{ + struct rockchip_crtc_state *vcstate = + kzalloc(sizeof(*vcstate), GFP_KERNEL); + + if (crtc->state) + vop2_crtc_destroy_state(crtc, crtc->state); + + if (vcstate) + __drm_atomic_helper_crtc_reset(crtc, &vcstate->base); + else + __drm_atomic_helper_crtc_reset(crtc, NULL); +} + +static const struct drm_crtc_funcs vop2_crtc_funcs = { + .set_config = drm_atomic_helper_set_config, + .page_flip = drm_atomic_helper_page_flip, + .destroy = drm_crtc_cleanup, + .reset = vop2_crtc_reset, + .atomic_duplicate_state = vop2_crtc_duplicate_state, + .atomic_destroy_state = vop2_crtc_destroy_state, + .enable_vblank = vop2_crtc_enable_vblank, + .disable_vblank = vop2_crtc_disable_vblank, +}; + +static irqreturn_t vop2_isr(int irq, void *data) +{ + struct vop2 *vop2 = data; + const struct vop2_data *vop2_data = vop2->data; + u32 axi_irqs[VOP2_SYS_AXI_BUS_NUM]; + int ret = IRQ_NONE; + int i; + + /* + * The irq is shared with the iommu. If the runtime-pm state of the + * vop2-device is disabled the irq has to be targeted at the iommu. + */ + if (!pm_runtime_get_if_in_use(vop2->dev)) + return IRQ_NONE; + + for (i = 0; i < vop2_data->nr_vps; i++) { + struct vop2_video_port *vp = &vop2->vps[i]; + struct drm_crtc *crtc = &vp->crtc; + u32 irqs; + + irqs = vop2_readl(vop2, RK3568_VP_INT_STATUS(vp->id)); + vop2_writel(vop2, RK3568_VP_INT_CLR(vp->id), irqs << 16 | irqs); + + if (irqs & VP_INT_DSP_HOLD_VALID) { + complete(&vp->dsp_hold_completion); + ret = IRQ_HANDLED; + } + + if (irqs & VP_INT_FS_FIELD) { + drm_crtc_handle_vblank(crtc); + spin_lock(&crtc->dev->event_lock); + if (vp->event) { + u32 val = vop2_readl(vop2, RK3568_REG_CFG_DONE); + + if (!(val & BIT(vp->id))) { + drm_crtc_send_vblank_event(crtc, vp->event); + vp->event = NULL; + drm_crtc_vblank_put(crtc); + } + } + spin_unlock(&crtc->dev->event_lock); + + ret = IRQ_HANDLED; + } + + if (irqs & VP_INT_POST_BUF_EMPTY) { + drm_err_ratelimited(vop2->drm, + "POST_BUF_EMPTY irq err at vp%d\n", + vp->id); + ret = IRQ_HANDLED; + } + } + + axi_irqs[0] = vop2_readl(vop2, RK3568_SYS0_INT_STATUS); + vop2_writel(vop2, RK3568_SYS0_INT_CLR, axi_irqs[0] << 16 | axi_irqs[0]); + axi_irqs[1] = vop2_readl(vop2, RK3568_SYS1_INT_STATUS); + vop2_writel(vop2, RK3568_SYS1_INT_CLR, axi_irqs[1] << 16 | axi_irqs[1]); + + for (i = 0; i < ARRAY_SIZE(axi_irqs); i++) { + if (axi_irqs[i] & VOP2_INT_BUS_ERRPR) { + drm_err_ratelimited(vop2->drm, "BUS_ERROR irq err\n"); + ret = IRQ_HANDLED; + } + } + + pm_runtime_put(vop2->dev); + + return ret; +} + +static int vop2_plane_init(struct vop2 *vop2, struct vop2_win *win, + unsigned long possible_crtcs) +{ + const struct vop2_win_data *win_data = win->data; + unsigned int blend_caps = BIT(DRM_MODE_BLEND_PIXEL_NONE) | + BIT(DRM_MODE_BLEND_PREMULTI) | + BIT(DRM_MODE_BLEND_COVERAGE); + int ret; + + ret = drm_universal_plane_init(vop2->drm, &win->base, possible_crtcs, + &vop2_plane_funcs, win_data->formats, + win_data->nformats, + win_data->format_modifiers, + win->type, win_data->name); + if (ret) { + drm_err(vop2->drm, "failed to initialize plane %d\n", ret); + return ret; + } + + drm_plane_helper_add(&win->base, &vop2_plane_helper_funcs); + + if (win->data->supported_rotations) + drm_plane_create_rotation_property(&win->base, DRM_MODE_ROTATE_0, + DRM_MODE_ROTATE_0 | + win->data->supported_rotations); + drm_plane_create_alpha_property(&win->base); + drm_plane_create_blend_mode_property(&win->base, blend_caps); + drm_plane_create_zpos_property(&win->base, win->win_id, 0, + vop2->registered_num_wins - 1); + + return 0; +} + +static struct vop2_video_port *find_vp_without_primary(struct vop2 *vop2) +{ + int i; + + for (i = 0; i < vop2->data->nr_vps; i++) { + struct vop2_video_port *vp = &vop2->vps[i]; + + if (!vp->crtc.port) + continue; + if (vp->primary_plane) + continue; + + return vp; + } + + return NULL; +} + +#define NR_LAYERS 6 + +static int vop2_create_crtc(struct vop2 *vop2) +{ + const struct vop2_data *vop2_data = vop2->data; + struct drm_device *drm = vop2->drm; + struct device *dev = vop2->dev; + struct drm_plane *plane; + struct device_node *port; + struct vop2_video_port *vp; + int i, nvp, nvps = 0; + int ret; + + for (i = 0; i < vop2_data->nr_vps; i++) { + const struct vop2_video_port_data *vp_data; + struct device_node *np; + char dclk_name[9]; + + vp_data = &vop2_data->vp[i]; + vp = &vop2->vps[i]; + vp->vop2 = vop2; + vp->id = vp_data->id; + vp->regs = vp_data->regs; + vp->data = vp_data; + + snprintf(dclk_name, sizeof(dclk_name), "dclk_vp%d", vp->id); + vp->dclk = devm_clk_get(vop2->dev, dclk_name); + if (IS_ERR(vp->dclk)) { + drm_err(vop2->drm, "failed to get %s\n", dclk_name); + return PTR_ERR(vp->dclk); + } + + np = of_graph_get_remote_node(dev->of_node, i, -1); + if (!np) { + drm_dbg(vop2->drm, "%s: No remote for vp%d\n", __func__, i); + continue; + } + of_node_put(np); + + port = of_graph_get_port_by_id(dev->of_node, i); + if (!port) { + drm_err(vop2->drm, "no port node found for video_port%d\n", i); + return -ENOENT; + } + + vp->crtc.port = port; + nvps++; + } + + nvp = 0; + for (i = 0; i < vop2->registered_num_wins; i++) { + struct vop2_win *win = &vop2->win[i]; + u32 possible_crtcs; + + if (vop2->data->soc_id == 3566) { + /* + * On RK3566 these windows don't have an independent + * framebuffer. They share the framebuffer with smart0, + * esmart0 and cluster0 respectively. + */ + switch (win->data->phys_id) { + case ROCKCHIP_VOP2_SMART1: + case ROCKCHIP_VOP2_ESMART1: + case ROCKCHIP_VOP2_CLUSTER1: + continue; + } + } + + if (win->type == DRM_PLANE_TYPE_PRIMARY) { + vp = find_vp_without_primary(vop2); + if (vp) { + possible_crtcs = BIT(nvp); + vp->primary_plane = win; + nvp++; + } else { + /* change the unused primary window to overlay window */ + win->type = DRM_PLANE_TYPE_OVERLAY; + } + } + + if (win->type == DRM_PLANE_TYPE_OVERLAY) + possible_crtcs = (1 << nvps) - 1; + + ret = vop2_plane_init(vop2, win, possible_crtcs); + if (ret) { + drm_err(vop2->drm, "failed to init plane %s: %d\n", + win->data->name, ret); + return ret; + } + } + + for (i = 0; i < vop2_data->nr_vps; i++) { + vp = &vop2->vps[i]; + + if (!vp->crtc.port) + continue; + + plane = &vp->primary_plane->base; + + ret = drm_crtc_init_with_planes(drm, &vp->crtc, plane, NULL, + &vop2_crtc_funcs, + "video_port%d", vp->id); + if (ret) { + drm_err(vop2->drm, "crtc init for video_port%d failed\n", i); + return ret; + } + + drm_crtc_helper_add(&vp->crtc, &vop2_crtc_helper_funcs); + + init_completion(&vp->dsp_hold_completion); + } + + /* + * On the VOP2 it's very hard to change the number of layers on a VP + * during runtime, so we distribute the layers equally over the used + * VPs + */ + for (i = 0; i < vop2->data->nr_vps; i++) { + struct vop2_video_port *vp = &vop2->vps[i]; + + if (vp->crtc.port) + vp->nlayers = NR_LAYERS / nvps; + } + + return 0; +} + +static void vop2_destroy_crtc(struct drm_crtc *crtc) +{ + of_node_put(crtc->port); + + /* + * Destroy CRTC after vop2_plane_destroy() since vop2_disable_plane() + * references the CRTC. + */ + drm_crtc_cleanup(crtc); +} + +static struct reg_field vop2_cluster_regs[VOP2_WIN_MAX_REG] = { + [VOP2_WIN_ENABLE] = REG_FIELD(RK3568_CLUSTER_WIN_CTRL0, 0, 0), + [VOP2_WIN_FORMAT] = REG_FIELD(RK3568_CLUSTER_WIN_CTRL0, 1, 5), + [VOP2_WIN_RB_SWAP] = REG_FIELD(RK3568_CLUSTER_WIN_CTRL0, 14, 14), + [VOP2_WIN_DITHER_UP] = REG_FIELD(RK3568_CLUSTER_WIN_CTRL0, 18, 18), + [VOP2_WIN_ACT_INFO] = REG_FIELD(RK3568_CLUSTER_WIN_ACT_INFO, 0, 31), + [VOP2_WIN_DSP_INFO] = REG_FIELD(RK3568_CLUSTER_WIN_DSP_INFO, 0, 31), + [VOP2_WIN_DSP_ST] = REG_FIELD(RK3568_CLUSTER_WIN_DSP_ST, 0, 31), + [VOP2_WIN_YRGB_MST] = REG_FIELD(RK3568_CLUSTER_WIN_YRGB_MST, 0, 31), + [VOP2_WIN_UV_MST] = REG_FIELD(RK3568_CLUSTER_WIN_CBR_MST, 0, 31), + [VOP2_WIN_YUV_CLIP] = REG_FIELD(RK3568_CLUSTER_WIN_CTRL0, 19, 19), + [VOP2_WIN_YRGB_VIR] = REG_FIELD(RK3568_CLUSTER_WIN_VIR, 0, 15), + [VOP2_WIN_UV_VIR] = REG_FIELD(RK3568_CLUSTER_WIN_VIR, 16, 31), + [VOP2_WIN_Y2R_EN] = REG_FIELD(RK3568_CLUSTER_WIN_CTRL0, 8, 8), + [VOP2_WIN_R2Y_EN] = REG_FIELD(RK3568_CLUSTER_WIN_CTRL0, 9, 9), + [VOP2_WIN_CSC_MODE] = REG_FIELD(RK3568_CLUSTER_WIN_CTRL0, 10, 11), + + /* Scale */ + [VOP2_WIN_SCALE_YRGB_X] = REG_FIELD(RK3568_CLUSTER_WIN_SCL_FACTOR_YRGB, 0, 15), + [VOP2_WIN_SCALE_YRGB_Y] = REG_FIELD(RK3568_CLUSTER_WIN_SCL_FACTOR_YRGB, 16, 31), + [VOP2_WIN_YRGB_VER_SCL_MODE] = REG_FIELD(RK3568_CLUSTER_WIN_CTRL1, 14, 15), + [VOP2_WIN_YRGB_HOR_SCL_MODE] = REG_FIELD(RK3568_CLUSTER_WIN_CTRL1, 12, 13), + [VOP2_WIN_BIC_COE_SEL] = REG_FIELD(RK3568_CLUSTER_WIN_CTRL1, 2, 3), + [VOP2_WIN_VSD_YRGB_GT2] = REG_FIELD(RK3568_CLUSTER_WIN_CTRL1, 28, 28), + [VOP2_WIN_VSD_YRGB_GT4] = REG_FIELD(RK3568_CLUSTER_WIN_CTRL1, 29, 29), + + /* cluster regs */ + [VOP2_WIN_AFBC_ENABLE] = REG_FIELD(RK3568_CLUSTER_CTRL, 1, 1), + [VOP2_WIN_CLUSTER_ENABLE] = REG_FIELD(RK3568_CLUSTER_CTRL, 0, 0), + [VOP2_WIN_CLUSTER_LB_MODE] = REG_FIELD(RK3568_CLUSTER_CTRL, 4, 7), + + /* afbc regs */ + [VOP2_WIN_AFBC_FORMAT] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_CTRL, 2, 6), + [VOP2_WIN_AFBC_RB_SWAP] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_CTRL, 9, 9), + [VOP2_WIN_AFBC_UV_SWAP] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_CTRL, 10, 10), + [VOP2_WIN_AFBC_AUTO_GATING_EN] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_OUTPUT_CTRL, 4, 4), + [VOP2_WIN_AFBC_HALF_BLOCK_EN] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_CTRL, 7, 7), + [VOP2_WIN_AFBC_BLOCK_SPLIT_EN] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_CTRL, 8, 8), + [VOP2_WIN_AFBC_HDR_PTR] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_HDR_PTR, 0, 31), + [VOP2_WIN_AFBC_PIC_SIZE] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_PIC_SIZE, 0, 31), + [VOP2_WIN_AFBC_PIC_VIR_WIDTH] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_VIR_WIDTH, 0, 15), + [VOP2_WIN_AFBC_TILE_NUM] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_VIR_WIDTH, 16, 31), + [VOP2_WIN_AFBC_PIC_OFFSET] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_PIC_OFFSET, 0, 31), + [VOP2_WIN_AFBC_DSP_OFFSET] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_DSP_OFFSET, 0, 31), + [VOP2_WIN_AFBC_TRANSFORM_OFFSET] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_TRANSFORM_OFFSET, 0, 31), + [VOP2_WIN_AFBC_ROTATE_90] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_ROTATE_MODE, 0, 0), + [VOP2_WIN_AFBC_ROTATE_270] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_ROTATE_MODE, 1, 1), + [VOP2_WIN_XMIRROR] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_ROTATE_MODE, 2, 2), + [VOP2_WIN_YMIRROR] = REG_FIELD(RK3568_CLUSTER_WIN_AFBCD_ROTATE_MODE, 3, 3), + [VOP2_WIN_UV_SWAP] = { .reg = 0xffffffff }, + [VOP2_WIN_COLOR_KEY] = { .reg = 0xffffffff }, + [VOP2_WIN_COLOR_KEY_EN] = { .reg = 0xffffffff }, + [VOP2_WIN_SCALE_CBCR_X] = { .reg = 0xffffffff }, + [VOP2_WIN_SCALE_CBCR_Y] = { .reg = 0xffffffff }, + [VOP2_WIN_YRGB_HSCL_FILTER_MODE] = { .reg = 0xffffffff }, + [VOP2_WIN_YRGB_VSCL_FILTER_MODE] = { .reg = 0xffffffff }, + [VOP2_WIN_CBCR_VER_SCL_MODE] = { .reg = 0xffffffff }, + [VOP2_WIN_CBCR_HSCL_FILTER_MODE] = { .reg = 0xffffffff }, + [VOP2_WIN_CBCR_HOR_SCL_MODE] = { .reg = 0xffffffff }, + [VOP2_WIN_CBCR_VSCL_FILTER_MODE] = { .reg = 0xffffffff }, + [VOP2_WIN_VSD_CBCR_GT2] = { .reg = 0xffffffff }, + [VOP2_WIN_VSD_CBCR_GT4] = { .reg = 0xffffffff }, +}; + +static int vop2_cluster_init(struct vop2_win *win) +{ + struct vop2 *vop2 = win->vop2; + struct reg_field *cluster_regs; + int ret, i; + + cluster_regs = kmemdup(vop2_cluster_regs, sizeof(vop2_cluster_regs), + GFP_KERNEL); + if (!cluster_regs) + return -ENOMEM; + + for (i = 0; i < ARRAY_SIZE(vop2_cluster_regs); i++) + if (cluster_regs[i].reg != 0xffffffff) + cluster_regs[i].reg += win->offset; + + ret = devm_regmap_field_bulk_alloc(vop2->dev, vop2->map, win->reg, + cluster_regs, + ARRAY_SIZE(vop2_cluster_regs)); + + kfree(cluster_regs); + + return ret; +}; + +static struct reg_field vop2_esmart_regs[VOP2_WIN_MAX_REG] = { + [VOP2_WIN_ENABLE] = REG_FIELD(RK3568_SMART_REGION0_CTRL, 0, 0), + [VOP2_WIN_FORMAT] = REG_FIELD(RK3568_SMART_REGION0_CTRL, 1, 5), + [VOP2_WIN_DITHER_UP] = REG_FIELD(RK3568_SMART_REGION0_CTRL, 12, 12), + [VOP2_WIN_RB_SWAP] = REG_FIELD(RK3568_SMART_REGION0_CTRL, 14, 14), + [VOP2_WIN_UV_SWAP] = REG_FIELD(RK3568_SMART_REGION0_CTRL, 16, 16), + [VOP2_WIN_ACT_INFO] = REG_FIELD(RK3568_SMART_REGION0_ACT_INFO, 0, 31), + [VOP2_WIN_DSP_INFO] = REG_FIELD(RK3568_SMART_REGION0_DSP_INFO, 0, 31), + [VOP2_WIN_DSP_ST] = REG_FIELD(RK3568_SMART_REGION0_DSP_ST, 0, 28), + [VOP2_WIN_YRGB_MST] = REG_FIELD(RK3568_SMART_REGION0_YRGB_MST, 0, 31), + [VOP2_WIN_UV_MST] = REG_FIELD(RK3568_SMART_REGION0_CBR_MST, 0, 31), + [VOP2_WIN_YUV_CLIP] = REG_FIELD(RK3568_SMART_REGION0_CTRL, 17, 17), + [VOP2_WIN_YRGB_VIR] = REG_FIELD(RK3568_SMART_REGION0_VIR, 0, 15), + [VOP2_WIN_UV_VIR] = REG_FIELD(RK3568_SMART_REGION0_VIR, 16, 31), + [VOP2_WIN_Y2R_EN] = REG_FIELD(RK3568_SMART_CTRL0, 0, 0), + [VOP2_WIN_R2Y_EN] = REG_FIELD(RK3568_SMART_CTRL0, 1, 1), + [VOP2_WIN_CSC_MODE] = REG_FIELD(RK3568_SMART_CTRL0, 2, 3), + [VOP2_WIN_YMIRROR] = REG_FIELD(RK3568_SMART_CTRL1, 31, 31), + [VOP2_WIN_COLOR_KEY] = REG_FIELD(RK3568_SMART_COLOR_KEY_CTRL, 0, 29), + [VOP2_WIN_COLOR_KEY_EN] = REG_FIELD(RK3568_SMART_COLOR_KEY_CTRL, 31, 31), + + /* Scale */ + [VOP2_WIN_SCALE_YRGB_X] = REG_FIELD(RK3568_SMART_REGION0_SCL_FACTOR_YRGB, 0, 15), + [VOP2_WIN_SCALE_YRGB_Y] = REG_FIELD(RK3568_SMART_REGION0_SCL_FACTOR_YRGB, 16, 31), + [VOP2_WIN_SCALE_CBCR_X] = REG_FIELD(RK3568_SMART_REGION0_SCL_FACTOR_CBR, 0, 15), + [VOP2_WIN_SCALE_CBCR_Y] = REG_FIELD(RK3568_SMART_REGION0_SCL_FACTOR_CBR, 16, 31), + [VOP2_WIN_YRGB_HOR_SCL_MODE] = REG_FIELD(RK3568_SMART_REGION0_SCL_CTRL, 0, 1), + [VOP2_WIN_YRGB_HSCL_FILTER_MODE] = REG_FIELD(RK3568_SMART_REGION0_SCL_CTRL, 2, 3), + [VOP2_WIN_YRGB_VER_SCL_MODE] = REG_FIELD(RK3568_SMART_REGION0_SCL_CTRL, 4, 5), + [VOP2_WIN_YRGB_VSCL_FILTER_MODE] = REG_FIELD(RK3568_SMART_REGION0_SCL_CTRL, 6, 7), + [VOP2_WIN_CBCR_HOR_SCL_MODE] = REG_FIELD(RK3568_SMART_REGION0_SCL_CTRL, 8, 9), + [VOP2_WIN_CBCR_HSCL_FILTER_MODE] = REG_FIELD(RK3568_SMART_REGION0_SCL_CTRL, 10, 11), + [VOP2_WIN_CBCR_VER_SCL_MODE] = REG_FIELD(RK3568_SMART_REGION0_SCL_CTRL, 12, 13), + [VOP2_WIN_CBCR_VSCL_FILTER_MODE] = REG_FIELD(RK3568_SMART_REGION0_SCL_CTRL, 14, 15), + [VOP2_WIN_BIC_COE_SEL] = REG_FIELD(RK3568_SMART_REGION0_SCL_CTRL, 16, 17), + [VOP2_WIN_VSD_YRGB_GT2] = REG_FIELD(RK3568_SMART_REGION0_CTRL, 8, 8), + [VOP2_WIN_VSD_YRGB_GT4] = REG_FIELD(RK3568_SMART_REGION0_CTRL, 9, 9), + [VOP2_WIN_VSD_CBCR_GT2] = REG_FIELD(RK3568_SMART_REGION0_CTRL, 10, 10), + [VOP2_WIN_VSD_CBCR_GT4] = REG_FIELD(RK3568_SMART_REGION0_CTRL, 11, 11), + [VOP2_WIN_XMIRROR] = { .reg = 0xffffffff }, + [VOP2_WIN_CLUSTER_ENABLE] = { .reg = 0xffffffff }, + [VOP2_WIN_AFBC_ENABLE] = { .reg = 0xffffffff }, + [VOP2_WIN_CLUSTER_LB_MODE] = { .reg = 0xffffffff }, + [VOP2_WIN_AFBC_FORMAT] = { .reg = 0xffffffff }, + [VOP2_WIN_AFBC_RB_SWAP] = { .reg = 0xffffffff }, + [VOP2_WIN_AFBC_UV_SWAP] = { .reg = 0xffffffff }, + [VOP2_WIN_AFBC_AUTO_GATING_EN] = { .reg = 0xffffffff }, + [VOP2_WIN_AFBC_BLOCK_SPLIT_EN] = { .reg = 0xffffffff }, + [VOP2_WIN_AFBC_PIC_VIR_WIDTH] = { .reg = 0xffffffff }, + [VOP2_WIN_AFBC_TILE_NUM] = { .reg = 0xffffffff }, + [VOP2_WIN_AFBC_PIC_OFFSET] = { .reg = 0xffffffff }, + [VOP2_WIN_AFBC_PIC_SIZE] = { .reg = 0xffffffff }, + [VOP2_WIN_AFBC_DSP_OFFSET] = { .reg = 0xffffffff }, + [VOP2_WIN_AFBC_TRANSFORM_OFFSET] = { .reg = 0xffffffff }, + [VOP2_WIN_AFBC_HDR_PTR] = { .reg = 0xffffffff }, + [VOP2_WIN_AFBC_HALF_BLOCK_EN] = { .reg = 0xffffffff }, + [VOP2_WIN_AFBC_ROTATE_270] = { .reg = 0xffffffff }, + [VOP2_WIN_AFBC_ROTATE_90] = { .reg = 0xffffffff }, +}; + +static int vop2_esmart_init(struct vop2_win *win) +{ + struct vop2 *vop2 = win->vop2; + struct reg_field *esmart_regs; + int ret, i; + + esmart_regs = kmemdup(vop2_esmart_regs, sizeof(vop2_esmart_regs), + GFP_KERNEL); + if (!esmart_regs) + return -ENOMEM; + + for (i = 0; i < ARRAY_SIZE(vop2_esmart_regs); i++) + if (esmart_regs[i].reg != 0xffffffff) + esmart_regs[i].reg += win->offset; + + ret = devm_regmap_field_bulk_alloc(vop2->dev, vop2->map, win->reg, + esmart_regs, + ARRAY_SIZE(vop2_esmart_regs)); + + kfree(esmart_regs); + + return ret; +}; + +static int vop2_win_init(struct vop2 *vop2) +{ + const struct vop2_data *vop2_data = vop2->data; + struct vop2_win *win; + int i, ret; + + for (i = 0; i < vop2_data->win_size; i++) { + const struct vop2_win_data *win_data = &vop2_data->win[i]; + + win = &vop2->win[i]; + win->data = win_data; + win->type = win_data->type; + win->offset = win_data->base; + win->win_id = i; + win->vop2 = vop2; + if (vop2_cluster_window(win)) + ret = vop2_cluster_init(win); + else + ret = vop2_esmart_init(win); + if (ret) + return ret; + } + + vop2->registered_num_wins = vop2_data->win_size; + + return 0; +} + +/* + * The window registers are only updated when config done is written. + * Until that they read back the old value. As we read-modify-write + * these registers mark them as non-volatile. This makes sure we read + * the new values from the regmap register cache. + */ +static const struct regmap_range vop2_nonvolatile_range[] = { + regmap_reg_range(0x1000, 0x23ff), +}; + +static const struct regmap_access_table vop2_volatile_table = { + .no_ranges = vop2_nonvolatile_range, + .n_no_ranges = ARRAY_SIZE(vop2_nonvolatile_range), +}; + +static const struct regmap_config vop2_regmap_config = { + .reg_bits = 32, + .val_bits = 32, + .reg_stride = 4, + .max_register = 0x3000, + .name = "vop2", + .volatile_table = &vop2_volatile_table, + .cache_type = REGCACHE_RBTREE, +}; + +static int vop2_bind(struct device *dev, struct device *master, void *data) +{ + struct platform_device *pdev = to_platform_device(dev); + const struct vop2_data *vop2_data; + struct drm_device *drm = data; + struct vop2 *vop2; + struct resource *res; + size_t alloc_size; + int ret; + + vop2_data = of_device_get_match_data(dev); + if (!vop2_data) + return -ENODEV; + + /* Allocate vop2 struct and its vop2_win array */ + alloc_size = sizeof(*vop2) + sizeof(*vop2->win) * vop2_data->win_size; + vop2 = devm_kzalloc(dev, alloc_size, GFP_KERNEL); + if (!vop2) + return -ENOMEM; + + vop2->dev = dev; + vop2->data = vop2_data; + vop2->drm = drm; + + dev_set_drvdata(dev, vop2); + + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "vop"); + if (!res) { + drm_err(vop2->drm, "failed to get vop2 register byname\n"); + return -EINVAL; + } + + vop2->regs = devm_ioremap_resource(dev, res); + if (IS_ERR(vop2->regs)) + return PTR_ERR(vop2->regs); + vop2->len = resource_size(res); + + vop2->map = devm_regmap_init_mmio(dev, vop2->regs, &vop2_regmap_config); + + ret = vop2_win_init(vop2); + if (ret) + return ret; + + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "gamma-lut"); + if (res) { + vop2->lut_regs = devm_ioremap_resource(dev, res); + if (IS_ERR(vop2->lut_regs)) + return PTR_ERR(vop2->lut_regs); + } + + vop2->grf = syscon_regmap_lookup_by_phandle(dev->of_node, "rockchip,grf"); + + vop2->hclk = devm_clk_get(vop2->dev, "hclk"); + if (IS_ERR(vop2->hclk)) { + drm_err(vop2->drm, "failed to get hclk source\n"); + return PTR_ERR(vop2->hclk); + } + + vop2->aclk = devm_clk_get(vop2->dev, "aclk"); + if (IS_ERR(vop2->aclk)) { + drm_err(vop2->drm, "failed to get aclk source\n"); + return PTR_ERR(vop2->aclk); + } + + vop2->irq = platform_get_irq(pdev, 0); + if (vop2->irq < 0) { + drm_err(vop2->drm, "cannot find irq for vop2\n"); + return vop2->irq; + } + + mutex_init(&vop2->vop2_lock); + + ret = devm_request_irq(dev, vop2->irq, vop2_isr, IRQF_SHARED, dev_name(dev), vop2); + if (ret) + return ret; + + ret = vop2_create_crtc(vop2); + if (ret) + return ret; + + rockchip_drm_dma_init_device(vop2->drm, vop2->dev); + + pm_runtime_enable(&pdev->dev); + + return 0; +} + +static void vop2_unbind(struct device *dev, struct device *master, void *data) +{ + struct vop2 *vop2 = dev_get_drvdata(dev); + struct drm_device *drm = vop2->drm; + struct list_head *plane_list = &drm->mode_config.plane_list; + struct list_head *crtc_list = &drm->mode_config.crtc_list; + struct drm_crtc *crtc, *tmpc; + struct drm_plane *plane, *tmpp; + + pm_runtime_disable(dev); + + list_for_each_entry_safe(plane, tmpp, plane_list, head) + drm_plane_cleanup(plane); + + list_for_each_entry_safe(crtc, tmpc, crtc_list, head) + vop2_destroy_crtc(crtc); +} + +const struct component_ops vop2_component_ops = { + .bind = vop2_bind, + .unbind = vop2_unbind, +}; +EXPORT_SYMBOL_GPL(vop2_component_ops); |