19f06080fSThomas Gleixner // SPDX-License-Identifier: GPL-2.0-only 201fb9185SAndrzej Pietrasiewicz /* 301fb9185SAndrzej Pietrasiewicz * Copyright (C) 2017 Samsung Electronics Co.Ltd 401fb9185SAndrzej Pietrasiewicz * Author: 59c0c4997SAndrzej Pietrasiewicz * Andrzej Pietrasiewicz <andrzejtp2010@gmail.com> 601fb9185SAndrzej Pietrasiewicz */ 701fb9185SAndrzej Pietrasiewicz 82bda34d7SSam Ravnborg #include <linux/clk.h> 901fb9185SAndrzej Pietrasiewicz #include <linux/component.h> 1001fb9185SAndrzej Pietrasiewicz #include <linux/err.h> 1101fb9185SAndrzej Pietrasiewicz #include <linux/interrupt.h> 1201fb9185SAndrzej Pietrasiewicz #include <linux/io.h> 132bda34d7SSam Ravnborg #include <linux/kernel.h> 1401fb9185SAndrzej Pietrasiewicz #include <linux/of_device.h> 152bda34d7SSam Ravnborg #include <linux/platform_device.h> 1601fb9185SAndrzej Pietrasiewicz #include <linux/pm_runtime.h> 1701fb9185SAndrzej Pietrasiewicz 1801fb9185SAndrzej Pietrasiewicz #include <drm/exynos_drm.h> 192bda34d7SSam Ravnborg 2001fb9185SAndrzej Pietrasiewicz #include "exynos_drm_drv.h" 212bda34d7SSam Ravnborg #include "exynos_drm_fb.h" 2201fb9185SAndrzej Pietrasiewicz #include "exynos_drm_ipp.h" 232bda34d7SSam Ravnborg #include "regs-scaler.h" 2401fb9185SAndrzej Pietrasiewicz 2501fb9185SAndrzej Pietrasiewicz #define scaler_read(offset) readl(scaler->regs + (offset)) 2601fb9185SAndrzej Pietrasiewicz #define scaler_write(cfg, offset) writel(cfg, scaler->regs + (offset)) 2701fb9185SAndrzej Pietrasiewicz #define SCALER_MAX_CLK 4 2801fb9185SAndrzej Pietrasiewicz #define SCALER_AUTOSUSPEND_DELAY 2000 29280e54c9SAndrzej Pietrasiewicz #define SCALER_RESET_WAIT_RETRIES 100 3001fb9185SAndrzej Pietrasiewicz 3101fb9185SAndrzej Pietrasiewicz struct scaler_data { 3201fb9185SAndrzej Pietrasiewicz const char *clk_name[SCALER_MAX_CLK]; 3301fb9185SAndrzej Pietrasiewicz unsigned int num_clk; 3401fb9185SAndrzej Pietrasiewicz const struct exynos_drm_ipp_formats *formats; 3501fb9185SAndrzej Pietrasiewicz unsigned int num_formats; 3601fb9185SAndrzej Pietrasiewicz }; 3701fb9185SAndrzej Pietrasiewicz 3801fb9185SAndrzej Pietrasiewicz struct scaler_context { 3901fb9185SAndrzej Pietrasiewicz struct exynos_drm_ipp ipp; 4001fb9185SAndrzej Pietrasiewicz struct drm_device *drm_dev; 4101fb9185SAndrzej Pietrasiewicz struct device *dev; 4201fb9185SAndrzej Pietrasiewicz void __iomem *regs; 4301fb9185SAndrzej Pietrasiewicz struct clk *clock[SCALER_MAX_CLK]; 4401fb9185SAndrzej Pietrasiewicz struct exynos_drm_ipp_task *task; 4501fb9185SAndrzej Pietrasiewicz const struct scaler_data *scaler_data; 4601fb9185SAndrzej Pietrasiewicz }; 4701fb9185SAndrzej Pietrasiewicz 485fb652c2SAndrzej Pietrasiewicz struct scaler_format { 495fb652c2SAndrzej Pietrasiewicz u32 drm_fmt; 505fb652c2SAndrzej Pietrasiewicz u32 internal_fmt; 515fb652c2SAndrzej Pietrasiewicz u32 chroma_tile_w; 525fb652c2SAndrzej Pietrasiewicz u32 chroma_tile_h; 535fb652c2SAndrzej Pietrasiewicz }; 5401fb9185SAndrzej Pietrasiewicz 555fb652c2SAndrzej Pietrasiewicz static const struct scaler_format scaler_formats[] = { 565fb652c2SAndrzej Pietrasiewicz { DRM_FORMAT_NV12, SCALER_YUV420_2P_UV, 8, 8 }, 575fb652c2SAndrzej Pietrasiewicz { DRM_FORMAT_NV21, SCALER_YUV420_2P_VU, 8, 8 }, 585fb652c2SAndrzej Pietrasiewicz { DRM_FORMAT_YUV420, SCALER_YUV420_3P, 8, 8 }, 595fb652c2SAndrzej Pietrasiewicz { DRM_FORMAT_YUYV, SCALER_YUV422_1P_YUYV, 16, 16 }, 605fb652c2SAndrzej Pietrasiewicz { DRM_FORMAT_UYVY, SCALER_YUV422_1P_UYVY, 16, 16 }, 615fb652c2SAndrzej Pietrasiewicz { DRM_FORMAT_YVYU, SCALER_YUV422_1P_YVYU, 16, 16 }, 625fb652c2SAndrzej Pietrasiewicz { DRM_FORMAT_NV16, SCALER_YUV422_2P_UV, 8, 16 }, 635fb652c2SAndrzej Pietrasiewicz { DRM_FORMAT_NV61, SCALER_YUV422_2P_VU, 8, 16 }, 645fb652c2SAndrzej Pietrasiewicz { DRM_FORMAT_YUV422, SCALER_YUV422_3P, 8, 16 }, 655fb652c2SAndrzej Pietrasiewicz { DRM_FORMAT_NV24, SCALER_YUV444_2P_UV, 16, 16 }, 665fb652c2SAndrzej Pietrasiewicz { DRM_FORMAT_NV42, SCALER_YUV444_2P_VU, 16, 16 }, 675fb652c2SAndrzej Pietrasiewicz { DRM_FORMAT_YUV444, SCALER_YUV444_3P, 16, 16 }, 685fb652c2SAndrzej Pietrasiewicz { DRM_FORMAT_RGB565, SCALER_RGB_565, 0, 0 }, 695fb652c2SAndrzej Pietrasiewicz { DRM_FORMAT_XRGB1555, SCALER_ARGB1555, 0, 0 }, 705fb652c2SAndrzej Pietrasiewicz { DRM_FORMAT_ARGB1555, SCALER_ARGB1555, 0, 0 }, 715fb652c2SAndrzej Pietrasiewicz { DRM_FORMAT_XRGB4444, SCALER_ARGB4444, 0, 0 }, 725fb652c2SAndrzej Pietrasiewicz { DRM_FORMAT_ARGB4444, SCALER_ARGB4444, 0, 0 }, 735fb652c2SAndrzej Pietrasiewicz { DRM_FORMAT_XRGB8888, SCALER_ARGB8888, 0, 0 }, 745fb652c2SAndrzej Pietrasiewicz { DRM_FORMAT_ARGB8888, SCALER_ARGB8888, 0, 0 }, 755fb652c2SAndrzej Pietrasiewicz { DRM_FORMAT_RGBX8888, SCALER_RGBA8888, 0, 0 }, 765fb652c2SAndrzej Pietrasiewicz { DRM_FORMAT_RGBA8888, SCALER_RGBA8888, 0, 0 }, 775fb652c2SAndrzej Pietrasiewicz }; 785fb652c2SAndrzej Pietrasiewicz 795fb652c2SAndrzej Pietrasiewicz static const struct scaler_format *scaler_get_format(u32 drm_fmt) 805fb652c2SAndrzej Pietrasiewicz { 815fb652c2SAndrzej Pietrasiewicz int i; 825fb652c2SAndrzej Pietrasiewicz 835fb652c2SAndrzej Pietrasiewicz for (i = 0; i < ARRAY_SIZE(scaler_formats); i++) 845fb652c2SAndrzej Pietrasiewicz if (scaler_formats[i].drm_fmt == drm_fmt) 855fb652c2SAndrzej Pietrasiewicz return &scaler_formats[i]; 865fb652c2SAndrzej Pietrasiewicz 875fb652c2SAndrzej Pietrasiewicz return NULL; 8801fb9185SAndrzej Pietrasiewicz } 8901fb9185SAndrzej Pietrasiewicz 90280e54c9SAndrzej Pietrasiewicz static inline int scaler_reset(struct scaler_context *scaler) 91280e54c9SAndrzej Pietrasiewicz { 92280e54c9SAndrzej Pietrasiewicz int retry = SCALER_RESET_WAIT_RETRIES; 93280e54c9SAndrzej Pietrasiewicz 94280e54c9SAndrzej Pietrasiewicz scaler_write(SCALER_CFG_SOFT_RESET, SCALER_CFG); 95280e54c9SAndrzej Pietrasiewicz do { 96280e54c9SAndrzej Pietrasiewicz cpu_relax(); 971bbbab09SColin Ian King } while (--retry > 1 && 98280e54c9SAndrzej Pietrasiewicz scaler_read(SCALER_CFG) & SCALER_CFG_SOFT_RESET); 99280e54c9SAndrzej Pietrasiewicz do { 100280e54c9SAndrzej Pietrasiewicz cpu_relax(); 101280e54c9SAndrzej Pietrasiewicz scaler_write(1, SCALER_INT_EN); 1021bbbab09SColin Ian King } while (--retry > 0 && scaler_read(SCALER_INT_EN) != 1); 103280e54c9SAndrzej Pietrasiewicz 104280e54c9SAndrzej Pietrasiewicz return retry ? 0 : -EIO; 105280e54c9SAndrzej Pietrasiewicz } 106280e54c9SAndrzej Pietrasiewicz 10701fb9185SAndrzej Pietrasiewicz static inline void scaler_enable_int(struct scaler_context *scaler) 10801fb9185SAndrzej Pietrasiewicz { 10901fb9185SAndrzej Pietrasiewicz u32 val; 11001fb9185SAndrzej Pietrasiewicz 11101fb9185SAndrzej Pietrasiewicz val = SCALER_INT_EN_TIMEOUT | 11201fb9185SAndrzej Pietrasiewicz SCALER_INT_EN_ILLEGAL_BLEND | 11301fb9185SAndrzej Pietrasiewicz SCALER_INT_EN_ILLEGAL_RATIO | 11401fb9185SAndrzej Pietrasiewicz SCALER_INT_EN_ILLEGAL_DST_HEIGHT | 11501fb9185SAndrzej Pietrasiewicz SCALER_INT_EN_ILLEGAL_DST_WIDTH | 11601fb9185SAndrzej Pietrasiewicz SCALER_INT_EN_ILLEGAL_DST_V_POS | 11701fb9185SAndrzej Pietrasiewicz SCALER_INT_EN_ILLEGAL_DST_H_POS | 11801fb9185SAndrzej Pietrasiewicz SCALER_INT_EN_ILLEGAL_DST_C_SPAN | 11901fb9185SAndrzej Pietrasiewicz SCALER_INT_EN_ILLEGAL_DST_Y_SPAN | 12001fb9185SAndrzej Pietrasiewicz SCALER_INT_EN_ILLEGAL_DST_CR_BASE | 12101fb9185SAndrzej Pietrasiewicz SCALER_INT_EN_ILLEGAL_DST_CB_BASE | 12201fb9185SAndrzej Pietrasiewicz SCALER_INT_EN_ILLEGAL_DST_Y_BASE | 12301fb9185SAndrzej Pietrasiewicz SCALER_INT_EN_ILLEGAL_DST_COLOR | 12401fb9185SAndrzej Pietrasiewicz SCALER_INT_EN_ILLEGAL_SRC_HEIGHT | 12501fb9185SAndrzej Pietrasiewicz SCALER_INT_EN_ILLEGAL_SRC_WIDTH | 12601fb9185SAndrzej Pietrasiewicz SCALER_INT_EN_ILLEGAL_SRC_CV_POS | 12701fb9185SAndrzej Pietrasiewicz SCALER_INT_EN_ILLEGAL_SRC_CH_POS | 12801fb9185SAndrzej Pietrasiewicz SCALER_INT_EN_ILLEGAL_SRC_YV_POS | 12901fb9185SAndrzej Pietrasiewicz SCALER_INT_EN_ILLEGAL_SRC_YH_POS | 13001fb9185SAndrzej Pietrasiewicz SCALER_INT_EN_ILLEGAL_DST_SPAN | 13101fb9185SAndrzej Pietrasiewicz SCALER_INT_EN_ILLEGAL_SRC_Y_SPAN | 13201fb9185SAndrzej Pietrasiewicz SCALER_INT_EN_ILLEGAL_SRC_CR_BASE | 13301fb9185SAndrzej Pietrasiewicz SCALER_INT_EN_ILLEGAL_SRC_CB_BASE | 13401fb9185SAndrzej Pietrasiewicz SCALER_INT_EN_ILLEGAL_SRC_Y_BASE | 13501fb9185SAndrzej Pietrasiewicz SCALER_INT_EN_ILLEGAL_SRC_COLOR | 13601fb9185SAndrzej Pietrasiewicz SCALER_INT_EN_FRAME_END; 13701fb9185SAndrzej Pietrasiewicz scaler_write(val, SCALER_INT_EN); 13801fb9185SAndrzej Pietrasiewicz } 13901fb9185SAndrzej Pietrasiewicz 14001fb9185SAndrzej Pietrasiewicz static inline void scaler_set_src_fmt(struct scaler_context *scaler, 1415fb652c2SAndrzej Pietrasiewicz u32 src_fmt, u32 tile) 14201fb9185SAndrzej Pietrasiewicz { 14301fb9185SAndrzej Pietrasiewicz u32 val; 14401fb9185SAndrzej Pietrasiewicz 1455fb652c2SAndrzej Pietrasiewicz val = SCALER_SRC_CFG_SET_COLOR_FORMAT(src_fmt) | (tile << 10); 14601fb9185SAndrzej Pietrasiewicz scaler_write(val, SCALER_SRC_CFG); 14701fb9185SAndrzej Pietrasiewicz } 14801fb9185SAndrzej Pietrasiewicz 14901fb9185SAndrzej Pietrasiewicz static inline void scaler_set_src_base(struct scaler_context *scaler, 15001fb9185SAndrzej Pietrasiewicz struct exynos_drm_ipp_buffer *src_buf) 15101fb9185SAndrzej Pietrasiewicz { 15201fb9185SAndrzej Pietrasiewicz static unsigned int bases[] = { 15301fb9185SAndrzej Pietrasiewicz SCALER_SRC_Y_BASE, 15401fb9185SAndrzej Pietrasiewicz SCALER_SRC_CB_BASE, 15501fb9185SAndrzej Pietrasiewicz SCALER_SRC_CR_BASE, 15601fb9185SAndrzej Pietrasiewicz }; 15701fb9185SAndrzej Pietrasiewicz int i; 15801fb9185SAndrzej Pietrasiewicz 15901fb9185SAndrzej Pietrasiewicz for (i = 0; i < src_buf->format->num_planes; ++i) 16001fb9185SAndrzej Pietrasiewicz scaler_write(src_buf->dma_addr[i], bases[i]); 16101fb9185SAndrzej Pietrasiewicz } 16201fb9185SAndrzej Pietrasiewicz 16301fb9185SAndrzej Pietrasiewicz static inline void scaler_set_src_span(struct scaler_context *scaler, 16401fb9185SAndrzej Pietrasiewicz struct exynos_drm_ipp_buffer *src_buf) 16501fb9185SAndrzej Pietrasiewicz { 16601fb9185SAndrzej Pietrasiewicz u32 val; 16701fb9185SAndrzej Pietrasiewicz 16801fb9185SAndrzej Pietrasiewicz val = SCALER_SRC_SPAN_SET_Y_SPAN(src_buf->buf.pitch[0] / 16901fb9185SAndrzej Pietrasiewicz src_buf->format->cpp[0]); 17001fb9185SAndrzej Pietrasiewicz 17101fb9185SAndrzej Pietrasiewicz if (src_buf->format->num_planes > 1) 17201fb9185SAndrzej Pietrasiewicz val |= SCALER_SRC_SPAN_SET_C_SPAN(src_buf->buf.pitch[1]); 17301fb9185SAndrzej Pietrasiewicz 17401fb9185SAndrzej Pietrasiewicz scaler_write(val, SCALER_SRC_SPAN); 17501fb9185SAndrzej Pietrasiewicz } 17601fb9185SAndrzej Pietrasiewicz 1775fb652c2SAndrzej Pietrasiewicz static inline void scaler_set_src_luma_chroma_pos(struct scaler_context *scaler, 1785fb652c2SAndrzej Pietrasiewicz struct drm_exynos_ipp_task_rect *src_pos, 1795fb652c2SAndrzej Pietrasiewicz const struct scaler_format *fmt) 18001fb9185SAndrzej Pietrasiewicz { 18101fb9185SAndrzej Pietrasiewicz u32 val; 18201fb9185SAndrzej Pietrasiewicz 18301fb9185SAndrzej Pietrasiewicz val = SCALER_SRC_Y_POS_SET_YH_POS(src_pos->x << 2); 18401fb9185SAndrzej Pietrasiewicz val |= SCALER_SRC_Y_POS_SET_YV_POS(src_pos->y << 2); 18501fb9185SAndrzej Pietrasiewicz scaler_write(val, SCALER_SRC_Y_POS); 1865fb652c2SAndrzej Pietrasiewicz val = SCALER_SRC_C_POS_SET_CH_POS( 1875fb652c2SAndrzej Pietrasiewicz (src_pos->x * fmt->chroma_tile_w / 16) << 2); 1885fb652c2SAndrzej Pietrasiewicz val |= SCALER_SRC_C_POS_SET_CV_POS( 1895fb652c2SAndrzej Pietrasiewicz (src_pos->y * fmt->chroma_tile_h / 16) << 2); 1905fb652c2SAndrzej Pietrasiewicz scaler_write(val, SCALER_SRC_C_POS); 19101fb9185SAndrzej Pietrasiewicz } 19201fb9185SAndrzej Pietrasiewicz 19301fb9185SAndrzej Pietrasiewicz static inline void scaler_set_src_wh(struct scaler_context *scaler, 19401fb9185SAndrzej Pietrasiewicz struct drm_exynos_ipp_task_rect *src_pos) 19501fb9185SAndrzej Pietrasiewicz { 19601fb9185SAndrzej Pietrasiewicz u32 val; 19701fb9185SAndrzej Pietrasiewicz 19801fb9185SAndrzej Pietrasiewicz val = SCALER_SRC_WH_SET_WIDTH(src_pos->w); 19901fb9185SAndrzej Pietrasiewicz val |= SCALER_SRC_WH_SET_HEIGHT(src_pos->h); 20001fb9185SAndrzej Pietrasiewicz scaler_write(val, SCALER_SRC_WH); 20101fb9185SAndrzej Pietrasiewicz } 20201fb9185SAndrzej Pietrasiewicz 20301fb9185SAndrzej Pietrasiewicz static inline void scaler_set_dst_fmt(struct scaler_context *scaler, 20401fb9185SAndrzej Pietrasiewicz u32 dst_fmt) 20501fb9185SAndrzej Pietrasiewicz { 20601fb9185SAndrzej Pietrasiewicz u32 val; 20701fb9185SAndrzej Pietrasiewicz 20801fb9185SAndrzej Pietrasiewicz val = SCALER_DST_CFG_SET_COLOR_FORMAT(dst_fmt); 20901fb9185SAndrzej Pietrasiewicz scaler_write(val, SCALER_DST_CFG); 21001fb9185SAndrzej Pietrasiewicz } 21101fb9185SAndrzej Pietrasiewicz 21201fb9185SAndrzej Pietrasiewicz static inline void scaler_set_dst_base(struct scaler_context *scaler, 21301fb9185SAndrzej Pietrasiewicz struct exynos_drm_ipp_buffer *dst_buf) 21401fb9185SAndrzej Pietrasiewicz { 21501fb9185SAndrzej Pietrasiewicz static unsigned int bases[] = { 21601fb9185SAndrzej Pietrasiewicz SCALER_DST_Y_BASE, 21701fb9185SAndrzej Pietrasiewicz SCALER_DST_CB_BASE, 21801fb9185SAndrzej Pietrasiewicz SCALER_DST_CR_BASE, 21901fb9185SAndrzej Pietrasiewicz }; 22001fb9185SAndrzej Pietrasiewicz int i; 22101fb9185SAndrzej Pietrasiewicz 22201fb9185SAndrzej Pietrasiewicz for (i = 0; i < dst_buf->format->num_planes; ++i) 22301fb9185SAndrzej Pietrasiewicz scaler_write(dst_buf->dma_addr[i], bases[i]); 22401fb9185SAndrzej Pietrasiewicz } 22501fb9185SAndrzej Pietrasiewicz 22601fb9185SAndrzej Pietrasiewicz static inline void scaler_set_dst_span(struct scaler_context *scaler, 22701fb9185SAndrzej Pietrasiewicz struct exynos_drm_ipp_buffer *dst_buf) 22801fb9185SAndrzej Pietrasiewicz { 22901fb9185SAndrzej Pietrasiewicz u32 val; 23001fb9185SAndrzej Pietrasiewicz 23101fb9185SAndrzej Pietrasiewicz val = SCALER_DST_SPAN_SET_Y_SPAN(dst_buf->buf.pitch[0] / 23201fb9185SAndrzej Pietrasiewicz dst_buf->format->cpp[0]); 23301fb9185SAndrzej Pietrasiewicz 23401fb9185SAndrzej Pietrasiewicz if (dst_buf->format->num_planes > 1) 23501fb9185SAndrzej Pietrasiewicz val |= SCALER_DST_SPAN_SET_C_SPAN(dst_buf->buf.pitch[1]); 23601fb9185SAndrzej Pietrasiewicz 23701fb9185SAndrzej Pietrasiewicz scaler_write(val, SCALER_DST_SPAN); 23801fb9185SAndrzej Pietrasiewicz } 23901fb9185SAndrzej Pietrasiewicz 24001fb9185SAndrzej Pietrasiewicz static inline void scaler_set_dst_luma_pos(struct scaler_context *scaler, 24101fb9185SAndrzej Pietrasiewicz struct drm_exynos_ipp_task_rect *dst_pos) 24201fb9185SAndrzej Pietrasiewicz { 24301fb9185SAndrzej Pietrasiewicz u32 val; 24401fb9185SAndrzej Pietrasiewicz 24501fb9185SAndrzej Pietrasiewicz val = SCALER_DST_WH_SET_WIDTH(dst_pos->w); 24601fb9185SAndrzej Pietrasiewicz val |= SCALER_DST_WH_SET_HEIGHT(dst_pos->h); 24701fb9185SAndrzej Pietrasiewicz scaler_write(val, SCALER_DST_WH); 24801fb9185SAndrzej Pietrasiewicz } 24901fb9185SAndrzej Pietrasiewicz 25001fb9185SAndrzej Pietrasiewicz static inline void scaler_set_dst_wh(struct scaler_context *scaler, 25101fb9185SAndrzej Pietrasiewicz struct drm_exynos_ipp_task_rect *dst_pos) 25201fb9185SAndrzej Pietrasiewicz { 25301fb9185SAndrzej Pietrasiewicz u32 val; 25401fb9185SAndrzej Pietrasiewicz 25501fb9185SAndrzej Pietrasiewicz val = SCALER_DST_POS_SET_H_POS(dst_pos->x); 25601fb9185SAndrzej Pietrasiewicz val |= SCALER_DST_POS_SET_V_POS(dst_pos->y); 25701fb9185SAndrzej Pietrasiewicz scaler_write(val, SCALER_DST_POS); 25801fb9185SAndrzej Pietrasiewicz } 25901fb9185SAndrzej Pietrasiewicz 26001fb9185SAndrzej Pietrasiewicz static inline void scaler_set_hv_ratio(struct scaler_context *scaler, 26101fb9185SAndrzej Pietrasiewicz unsigned int rotation, 26201fb9185SAndrzej Pietrasiewicz struct drm_exynos_ipp_task_rect *src_pos, 26301fb9185SAndrzej Pietrasiewicz struct drm_exynos_ipp_task_rect *dst_pos) 26401fb9185SAndrzej Pietrasiewicz { 26501fb9185SAndrzej Pietrasiewicz u32 val, h_ratio, v_ratio; 26601fb9185SAndrzej Pietrasiewicz 26701fb9185SAndrzej Pietrasiewicz if (drm_rotation_90_or_270(rotation)) { 26801fb9185SAndrzej Pietrasiewicz h_ratio = (src_pos->h << 16) / dst_pos->w; 26901fb9185SAndrzej Pietrasiewicz v_ratio = (src_pos->w << 16) / dst_pos->h; 27001fb9185SAndrzej Pietrasiewicz } else { 27101fb9185SAndrzej Pietrasiewicz h_ratio = (src_pos->w << 16) / dst_pos->w; 27201fb9185SAndrzej Pietrasiewicz v_ratio = (src_pos->h << 16) / dst_pos->h; 27301fb9185SAndrzej Pietrasiewicz } 27401fb9185SAndrzej Pietrasiewicz 27501fb9185SAndrzej Pietrasiewicz val = SCALER_H_RATIO_SET(h_ratio); 27601fb9185SAndrzej Pietrasiewicz scaler_write(val, SCALER_H_RATIO); 27701fb9185SAndrzej Pietrasiewicz 27801fb9185SAndrzej Pietrasiewicz val = SCALER_V_RATIO_SET(v_ratio); 27901fb9185SAndrzej Pietrasiewicz scaler_write(val, SCALER_V_RATIO); 28001fb9185SAndrzej Pietrasiewicz } 28101fb9185SAndrzej Pietrasiewicz 28201fb9185SAndrzej Pietrasiewicz static inline void scaler_set_rotation(struct scaler_context *scaler, 28301fb9185SAndrzej Pietrasiewicz unsigned int rotation) 28401fb9185SAndrzej Pietrasiewicz { 28501fb9185SAndrzej Pietrasiewicz u32 val = 0; 28601fb9185SAndrzej Pietrasiewicz 28701fb9185SAndrzej Pietrasiewicz if (rotation & DRM_MODE_ROTATE_90) 28801fb9185SAndrzej Pietrasiewicz val |= SCALER_ROT_CFG_SET_ROTMODE(SCALER_ROT_MODE_90); 28901fb9185SAndrzej Pietrasiewicz else if (rotation & DRM_MODE_ROTATE_180) 29001fb9185SAndrzej Pietrasiewicz val |= SCALER_ROT_CFG_SET_ROTMODE(SCALER_ROT_MODE_180); 29101fb9185SAndrzej Pietrasiewicz else if (rotation & DRM_MODE_ROTATE_270) 29201fb9185SAndrzej Pietrasiewicz val |= SCALER_ROT_CFG_SET_ROTMODE(SCALER_ROT_MODE_270); 29301fb9185SAndrzej Pietrasiewicz if (rotation & DRM_MODE_REFLECT_X) 29401fb9185SAndrzej Pietrasiewicz val |= SCALER_ROT_CFG_FLIP_X_EN; 29501fb9185SAndrzej Pietrasiewicz if (rotation & DRM_MODE_REFLECT_Y) 29601fb9185SAndrzej Pietrasiewicz val |= SCALER_ROT_CFG_FLIP_Y_EN; 29701fb9185SAndrzej Pietrasiewicz scaler_write(val, SCALER_ROT_CFG); 29801fb9185SAndrzej Pietrasiewicz } 29901fb9185SAndrzej Pietrasiewicz 30001fb9185SAndrzej Pietrasiewicz static inline void scaler_set_csc(struct scaler_context *scaler, 30101fb9185SAndrzej Pietrasiewicz const struct drm_format_info *fmt) 30201fb9185SAndrzej Pietrasiewicz { 30301fb9185SAndrzej Pietrasiewicz static const u32 csc_mtx[2][3][3] = { 30401fb9185SAndrzej Pietrasiewicz { /* YCbCr to RGB */ 30501fb9185SAndrzej Pietrasiewicz {0x254, 0x000, 0x331}, 30601fb9185SAndrzej Pietrasiewicz {0x254, 0xf38, 0xe60}, 30701fb9185SAndrzej Pietrasiewicz {0x254, 0x409, 0x000}, 30801fb9185SAndrzej Pietrasiewicz }, 30901fb9185SAndrzej Pietrasiewicz { /* RGB to YCbCr */ 31001fb9185SAndrzej Pietrasiewicz {0x084, 0x102, 0x032}, 31101fb9185SAndrzej Pietrasiewicz {0xfb4, 0xf6b, 0x0e1}, 31201fb9185SAndrzej Pietrasiewicz {0x0e1, 0xf44, 0xfdc}, 31301fb9185SAndrzej Pietrasiewicz }, 31401fb9185SAndrzej Pietrasiewicz }; 31501fb9185SAndrzej Pietrasiewicz int i, j, dir; 31601fb9185SAndrzej Pietrasiewicz 31701fb9185SAndrzej Pietrasiewicz switch (fmt->format) { 31801fb9185SAndrzej Pietrasiewicz case DRM_FORMAT_RGB565: 31901fb9185SAndrzej Pietrasiewicz case DRM_FORMAT_XRGB1555: 32001fb9185SAndrzej Pietrasiewicz case DRM_FORMAT_ARGB1555: 32101fb9185SAndrzej Pietrasiewicz case DRM_FORMAT_XRGB4444: 32201fb9185SAndrzej Pietrasiewicz case DRM_FORMAT_ARGB4444: 32301fb9185SAndrzej Pietrasiewicz case DRM_FORMAT_XRGB8888: 32401fb9185SAndrzej Pietrasiewicz case DRM_FORMAT_ARGB8888: 32501fb9185SAndrzej Pietrasiewicz case DRM_FORMAT_RGBX8888: 32601fb9185SAndrzej Pietrasiewicz case DRM_FORMAT_RGBA8888: 32701fb9185SAndrzej Pietrasiewicz dir = 1; 32801fb9185SAndrzej Pietrasiewicz break; 32901fb9185SAndrzej Pietrasiewicz default: 33001fb9185SAndrzej Pietrasiewicz dir = 0; 33101fb9185SAndrzej Pietrasiewicz } 33201fb9185SAndrzej Pietrasiewicz 33301fb9185SAndrzej Pietrasiewicz for (i = 0; i < 3; i++) 33401fb9185SAndrzej Pietrasiewicz for (j = 0; j < 3; j++) 33501fb9185SAndrzej Pietrasiewicz scaler_write(csc_mtx[dir][i][j], SCALER_CSC_COEF(j, i)); 33601fb9185SAndrzej Pietrasiewicz } 33701fb9185SAndrzej Pietrasiewicz 33801fb9185SAndrzej Pietrasiewicz static inline void scaler_set_timer(struct scaler_context *scaler, 33901fb9185SAndrzej Pietrasiewicz unsigned int timer, unsigned int divider) 34001fb9185SAndrzej Pietrasiewicz { 34101fb9185SAndrzej Pietrasiewicz u32 val; 34201fb9185SAndrzej Pietrasiewicz 34301fb9185SAndrzej Pietrasiewicz val = SCALER_TIMEOUT_CTRL_TIMER_ENABLE; 34401fb9185SAndrzej Pietrasiewicz val |= SCALER_TIMEOUT_CTRL_SET_TIMER_VALUE(timer); 34501fb9185SAndrzej Pietrasiewicz val |= SCALER_TIMEOUT_CTRL_SET_TIMER_DIV(divider); 34601fb9185SAndrzej Pietrasiewicz scaler_write(val, SCALER_TIMEOUT_CTRL); 34701fb9185SAndrzej Pietrasiewicz } 34801fb9185SAndrzej Pietrasiewicz 34901fb9185SAndrzej Pietrasiewicz static inline void scaler_start_hw(struct scaler_context *scaler) 35001fb9185SAndrzej Pietrasiewicz { 35101fb9185SAndrzej Pietrasiewicz scaler_write(SCALER_CFG_START_CMD, SCALER_CFG); 35201fb9185SAndrzej Pietrasiewicz } 35301fb9185SAndrzej Pietrasiewicz 35401fb9185SAndrzej Pietrasiewicz static int scaler_commit(struct exynos_drm_ipp *ipp, 35501fb9185SAndrzej Pietrasiewicz struct exynos_drm_ipp_task *task) 35601fb9185SAndrzej Pietrasiewicz { 35701fb9185SAndrzej Pietrasiewicz struct scaler_context *scaler = 35801fb9185SAndrzej Pietrasiewicz container_of(ipp, struct scaler_context, ipp); 35901fb9185SAndrzej Pietrasiewicz 36001fb9185SAndrzej Pietrasiewicz struct drm_exynos_ipp_task_rect *src_pos = &task->src.rect; 36101fb9185SAndrzej Pietrasiewicz struct drm_exynos_ipp_task_rect *dst_pos = &task->dst.rect; 3625fb652c2SAndrzej Pietrasiewicz const struct scaler_format *src_fmt, *dst_fmt; 3635fb652c2SAndrzej Pietrasiewicz 3645fb652c2SAndrzej Pietrasiewicz src_fmt = scaler_get_format(task->src.buf.fourcc); 3655fb652c2SAndrzej Pietrasiewicz dst_fmt = scaler_get_format(task->dst.buf.fourcc); 36601fb9185SAndrzej Pietrasiewicz 36701fb9185SAndrzej Pietrasiewicz pm_runtime_get_sync(scaler->dev); 368280e54c9SAndrzej Pietrasiewicz if (scaler_reset(scaler)) { 369280e54c9SAndrzej Pietrasiewicz pm_runtime_put(scaler->dev); 370280e54c9SAndrzej Pietrasiewicz return -EIO; 371280e54c9SAndrzej Pietrasiewicz } 372280e54c9SAndrzej Pietrasiewicz 373280e54c9SAndrzej Pietrasiewicz scaler->task = task; 37401fb9185SAndrzej Pietrasiewicz 3755fb652c2SAndrzej Pietrasiewicz scaler_set_src_fmt( 3765fb652c2SAndrzej Pietrasiewicz scaler, src_fmt->internal_fmt, task->src.buf.modifier != 0); 37701fb9185SAndrzej Pietrasiewicz scaler_set_src_base(scaler, &task->src); 37801fb9185SAndrzej Pietrasiewicz scaler_set_src_span(scaler, &task->src); 3795fb652c2SAndrzej Pietrasiewicz scaler_set_src_luma_chroma_pos(scaler, src_pos, src_fmt); 38001fb9185SAndrzej Pietrasiewicz scaler_set_src_wh(scaler, src_pos); 38101fb9185SAndrzej Pietrasiewicz 3825fb652c2SAndrzej Pietrasiewicz scaler_set_dst_fmt(scaler, dst_fmt->internal_fmt); 38301fb9185SAndrzej Pietrasiewicz scaler_set_dst_base(scaler, &task->dst); 38401fb9185SAndrzej Pietrasiewicz scaler_set_dst_span(scaler, &task->dst); 38501fb9185SAndrzej Pietrasiewicz scaler_set_dst_luma_pos(scaler, dst_pos); 38601fb9185SAndrzej Pietrasiewicz scaler_set_dst_wh(scaler, dst_pos); 38701fb9185SAndrzej Pietrasiewicz 38801fb9185SAndrzej Pietrasiewicz scaler_set_hv_ratio(scaler, task->transform.rotation, src_pos, dst_pos); 38901fb9185SAndrzej Pietrasiewicz scaler_set_rotation(scaler, task->transform.rotation); 39001fb9185SAndrzej Pietrasiewicz 39101fb9185SAndrzej Pietrasiewicz scaler_set_csc(scaler, task->src.format); 39201fb9185SAndrzej Pietrasiewicz 39301fb9185SAndrzej Pietrasiewicz scaler_set_timer(scaler, 0xffff, 0xf); 39401fb9185SAndrzej Pietrasiewicz 39501fb9185SAndrzej Pietrasiewicz scaler_enable_int(scaler); 39601fb9185SAndrzej Pietrasiewicz scaler_start_hw(scaler); 39701fb9185SAndrzej Pietrasiewicz 39801fb9185SAndrzej Pietrasiewicz return 0; 39901fb9185SAndrzej Pietrasiewicz } 40001fb9185SAndrzej Pietrasiewicz 40101fb9185SAndrzej Pietrasiewicz static struct exynos_drm_ipp_funcs ipp_funcs = { 40201fb9185SAndrzej Pietrasiewicz .commit = scaler_commit, 40301fb9185SAndrzej Pietrasiewicz }; 40401fb9185SAndrzej Pietrasiewicz 40501fb9185SAndrzej Pietrasiewicz static inline void scaler_disable_int(struct scaler_context *scaler) 40601fb9185SAndrzej Pietrasiewicz { 40701fb9185SAndrzej Pietrasiewicz scaler_write(0, SCALER_INT_EN); 40801fb9185SAndrzej Pietrasiewicz } 40901fb9185SAndrzej Pietrasiewicz 41001fb9185SAndrzej Pietrasiewicz static inline u32 scaler_get_int_status(struct scaler_context *scaler) 41101fb9185SAndrzej Pietrasiewicz { 412280e54c9SAndrzej Pietrasiewicz u32 val = scaler_read(SCALER_INT_STATUS); 413280e54c9SAndrzej Pietrasiewicz 414280e54c9SAndrzej Pietrasiewicz scaler_write(val, SCALER_INT_STATUS); 415280e54c9SAndrzej Pietrasiewicz 416280e54c9SAndrzej Pietrasiewicz return val; 41701fb9185SAndrzej Pietrasiewicz } 41801fb9185SAndrzej Pietrasiewicz 41912678199SInki Dae static inline int scaler_task_done(u32 val) 42001fb9185SAndrzej Pietrasiewicz { 42101fb9185SAndrzej Pietrasiewicz return val & SCALER_INT_STATUS_FRAME_END ? 0 : -EINVAL; 42201fb9185SAndrzej Pietrasiewicz } 42301fb9185SAndrzej Pietrasiewicz 42401fb9185SAndrzej Pietrasiewicz static irqreturn_t scaler_irq_handler(int irq, void *arg) 42501fb9185SAndrzej Pietrasiewicz { 42601fb9185SAndrzej Pietrasiewicz struct scaler_context *scaler = arg; 42701fb9185SAndrzej Pietrasiewicz 42801fb9185SAndrzej Pietrasiewicz u32 val = scaler_get_int_status(scaler); 42901fb9185SAndrzej Pietrasiewicz 43001fb9185SAndrzej Pietrasiewicz scaler_disable_int(scaler); 43101fb9185SAndrzej Pietrasiewicz 43201fb9185SAndrzej Pietrasiewicz if (scaler->task) { 43301fb9185SAndrzej Pietrasiewicz struct exynos_drm_ipp_task *task = scaler->task; 43401fb9185SAndrzej Pietrasiewicz 43501fb9185SAndrzej Pietrasiewicz scaler->task = NULL; 43601fb9185SAndrzej Pietrasiewicz pm_runtime_mark_last_busy(scaler->dev); 43701fb9185SAndrzej Pietrasiewicz pm_runtime_put_autosuspend(scaler->dev); 43801fb9185SAndrzej Pietrasiewicz exynos_drm_ipp_task_done(task, scaler_task_done(val)); 43901fb9185SAndrzej Pietrasiewicz } 44001fb9185SAndrzej Pietrasiewicz 44101fb9185SAndrzej Pietrasiewicz return IRQ_HANDLED; 44201fb9185SAndrzej Pietrasiewicz } 44301fb9185SAndrzej Pietrasiewicz 44401fb9185SAndrzej Pietrasiewicz static int scaler_bind(struct device *dev, struct device *master, void *data) 44501fb9185SAndrzej Pietrasiewicz { 44601fb9185SAndrzej Pietrasiewicz struct scaler_context *scaler = dev_get_drvdata(dev); 44701fb9185SAndrzej Pietrasiewicz struct drm_device *drm_dev = data; 44801fb9185SAndrzej Pietrasiewicz struct exynos_drm_ipp *ipp = &scaler->ipp; 44901fb9185SAndrzej Pietrasiewicz 45001fb9185SAndrzej Pietrasiewicz scaler->drm_dev = drm_dev; 4518b955034SInki Dae ipp->drm_dev = drm_dev; 45229cbf24aSAndrzej Hajda exynos_drm_register_dma(drm_dev, dev); 45301fb9185SAndrzej Pietrasiewicz 4548b955034SInki Dae exynos_drm_ipp_register(dev, ipp, &ipp_funcs, 45501fb9185SAndrzej Pietrasiewicz DRM_EXYNOS_IPP_CAP_CROP | DRM_EXYNOS_IPP_CAP_ROTATE | 45601fb9185SAndrzej Pietrasiewicz DRM_EXYNOS_IPP_CAP_SCALE | DRM_EXYNOS_IPP_CAP_CONVERT, 45701fb9185SAndrzej Pietrasiewicz scaler->scaler_data->formats, 45801fb9185SAndrzej Pietrasiewicz scaler->scaler_data->num_formats, "scaler"); 45901fb9185SAndrzej Pietrasiewicz 46001fb9185SAndrzej Pietrasiewicz dev_info(dev, "The exynos scaler has been probed successfully\n"); 46101fb9185SAndrzej Pietrasiewicz 46201fb9185SAndrzej Pietrasiewicz return 0; 46301fb9185SAndrzej Pietrasiewicz } 46401fb9185SAndrzej Pietrasiewicz 46501fb9185SAndrzej Pietrasiewicz static void scaler_unbind(struct device *dev, struct device *master, 46601fb9185SAndrzej Pietrasiewicz void *data) 46701fb9185SAndrzej Pietrasiewicz { 46801fb9185SAndrzej Pietrasiewicz struct scaler_context *scaler = dev_get_drvdata(dev); 46901fb9185SAndrzej Pietrasiewicz struct exynos_drm_ipp *ipp = &scaler->ipp; 47001fb9185SAndrzej Pietrasiewicz 4718b955034SInki Dae exynos_drm_ipp_unregister(dev, ipp); 47223755696SAndrzej Hajda exynos_drm_unregister_dma(scaler->drm_dev, scaler->dev); 47301fb9185SAndrzej Pietrasiewicz } 47401fb9185SAndrzej Pietrasiewicz 47501fb9185SAndrzej Pietrasiewicz static const struct component_ops scaler_component_ops = { 47601fb9185SAndrzej Pietrasiewicz .bind = scaler_bind, 47701fb9185SAndrzej Pietrasiewicz .unbind = scaler_unbind, 47801fb9185SAndrzej Pietrasiewicz }; 47901fb9185SAndrzej Pietrasiewicz 48001fb9185SAndrzej Pietrasiewicz static int scaler_probe(struct platform_device *pdev) 48101fb9185SAndrzej Pietrasiewicz { 48201fb9185SAndrzej Pietrasiewicz struct device *dev = &pdev->dev; 48301fb9185SAndrzej Pietrasiewicz struct resource *regs_res; 48401fb9185SAndrzej Pietrasiewicz struct scaler_context *scaler; 48501fb9185SAndrzej Pietrasiewicz int irq; 48601fb9185SAndrzej Pietrasiewicz int ret, i; 48701fb9185SAndrzej Pietrasiewicz 48801fb9185SAndrzej Pietrasiewicz scaler = devm_kzalloc(dev, sizeof(*scaler), GFP_KERNEL); 48901fb9185SAndrzej Pietrasiewicz if (!scaler) 49001fb9185SAndrzej Pietrasiewicz return -ENOMEM; 49101fb9185SAndrzej Pietrasiewicz 49201fb9185SAndrzej Pietrasiewicz scaler->scaler_data = 49301fb9185SAndrzej Pietrasiewicz (struct scaler_data *)of_device_get_match_data(dev); 49401fb9185SAndrzej Pietrasiewicz 49501fb9185SAndrzej Pietrasiewicz scaler->dev = dev; 49601fb9185SAndrzej Pietrasiewicz regs_res = platform_get_resource(pdev, IORESOURCE_MEM, 0); 49701fb9185SAndrzej Pietrasiewicz scaler->regs = devm_ioremap_resource(dev, regs_res); 49801fb9185SAndrzej Pietrasiewicz if (IS_ERR(scaler->regs)) 49901fb9185SAndrzej Pietrasiewicz return PTR_ERR(scaler->regs); 50001fb9185SAndrzej Pietrasiewicz 50101fb9185SAndrzej Pietrasiewicz irq = platform_get_irq(pdev, 0); 50201fb9185SAndrzej Pietrasiewicz if (irq < 0) { 50301fb9185SAndrzej Pietrasiewicz dev_err(dev, "failed to get irq\n"); 50401fb9185SAndrzej Pietrasiewicz return irq; 50501fb9185SAndrzej Pietrasiewicz } 50601fb9185SAndrzej Pietrasiewicz 50701fb9185SAndrzej Pietrasiewicz ret = devm_request_threaded_irq(dev, irq, NULL, scaler_irq_handler, 50801fb9185SAndrzej Pietrasiewicz IRQF_ONESHOT, "drm_scaler", scaler); 50901fb9185SAndrzej Pietrasiewicz if (ret < 0) { 51001fb9185SAndrzej Pietrasiewicz dev_err(dev, "failed to request irq\n"); 51101fb9185SAndrzej Pietrasiewicz return ret; 51201fb9185SAndrzej Pietrasiewicz } 51301fb9185SAndrzej Pietrasiewicz 51401fb9185SAndrzej Pietrasiewicz for (i = 0; i < scaler->scaler_data->num_clk; ++i) { 51501fb9185SAndrzej Pietrasiewicz scaler->clock[i] = devm_clk_get(dev, 51601fb9185SAndrzej Pietrasiewicz scaler->scaler_data->clk_name[i]); 51701fb9185SAndrzej Pietrasiewicz if (IS_ERR(scaler->clock[i])) { 51801fb9185SAndrzej Pietrasiewicz dev_err(dev, "failed to get clock\n"); 51901fb9185SAndrzej Pietrasiewicz return PTR_ERR(scaler->clock[i]); 52001fb9185SAndrzej Pietrasiewicz } 52101fb9185SAndrzej Pietrasiewicz } 52201fb9185SAndrzej Pietrasiewicz 52301fb9185SAndrzej Pietrasiewicz pm_runtime_use_autosuspend(dev); 52401fb9185SAndrzej Pietrasiewicz pm_runtime_set_autosuspend_delay(dev, SCALER_AUTOSUSPEND_DELAY); 52501fb9185SAndrzej Pietrasiewicz pm_runtime_enable(dev); 52601fb9185SAndrzej Pietrasiewicz platform_set_drvdata(pdev, scaler); 52701fb9185SAndrzej Pietrasiewicz 52801fb9185SAndrzej Pietrasiewicz ret = component_add(dev, &scaler_component_ops); 52901fb9185SAndrzej Pietrasiewicz if (ret) 53001fb9185SAndrzej Pietrasiewicz goto err_ippdrv_register; 53101fb9185SAndrzej Pietrasiewicz 53201fb9185SAndrzej Pietrasiewicz return 0; 53301fb9185SAndrzej Pietrasiewicz 53401fb9185SAndrzej Pietrasiewicz err_ippdrv_register: 53501fb9185SAndrzej Pietrasiewicz pm_runtime_dont_use_autosuspend(dev); 53601fb9185SAndrzej Pietrasiewicz pm_runtime_disable(dev); 53701fb9185SAndrzej Pietrasiewicz return ret; 53801fb9185SAndrzej Pietrasiewicz } 53901fb9185SAndrzej Pietrasiewicz 54001fb9185SAndrzej Pietrasiewicz static int scaler_remove(struct platform_device *pdev) 54101fb9185SAndrzej Pietrasiewicz { 54201fb9185SAndrzej Pietrasiewicz struct device *dev = &pdev->dev; 54301fb9185SAndrzej Pietrasiewicz 54401fb9185SAndrzej Pietrasiewicz component_del(dev, &scaler_component_ops); 54501fb9185SAndrzej Pietrasiewicz pm_runtime_dont_use_autosuspend(dev); 54601fb9185SAndrzej Pietrasiewicz pm_runtime_disable(dev); 54701fb9185SAndrzej Pietrasiewicz 54801fb9185SAndrzej Pietrasiewicz return 0; 54901fb9185SAndrzej Pietrasiewicz } 55001fb9185SAndrzej Pietrasiewicz 55101fb9185SAndrzej Pietrasiewicz #ifdef CONFIG_PM 55201fb9185SAndrzej Pietrasiewicz 55301fb9185SAndrzej Pietrasiewicz static int clk_disable_unprepare_wrapper(struct clk *clk) 55401fb9185SAndrzej Pietrasiewicz { 55501fb9185SAndrzej Pietrasiewicz clk_disable_unprepare(clk); 55601fb9185SAndrzej Pietrasiewicz 55701fb9185SAndrzej Pietrasiewicz return 0; 55801fb9185SAndrzej Pietrasiewicz } 55901fb9185SAndrzej Pietrasiewicz 56001fb9185SAndrzej Pietrasiewicz static int scaler_clk_ctrl(struct scaler_context *scaler, bool enable) 56101fb9185SAndrzej Pietrasiewicz { 56201fb9185SAndrzej Pietrasiewicz int (*clk_fun)(struct clk *clk), i; 56301fb9185SAndrzej Pietrasiewicz 56401fb9185SAndrzej Pietrasiewicz clk_fun = enable ? clk_prepare_enable : clk_disable_unprepare_wrapper; 56501fb9185SAndrzej Pietrasiewicz 56601fb9185SAndrzej Pietrasiewicz for (i = 0; i < scaler->scaler_data->num_clk; ++i) 56701fb9185SAndrzej Pietrasiewicz clk_fun(scaler->clock[i]); 56801fb9185SAndrzej Pietrasiewicz 56901fb9185SAndrzej Pietrasiewicz return 0; 57001fb9185SAndrzej Pietrasiewicz } 57101fb9185SAndrzej Pietrasiewicz 57201fb9185SAndrzej Pietrasiewicz static int scaler_runtime_suspend(struct device *dev) 57301fb9185SAndrzej Pietrasiewicz { 57401fb9185SAndrzej Pietrasiewicz struct scaler_context *scaler = dev_get_drvdata(dev); 57501fb9185SAndrzej Pietrasiewicz 57601fb9185SAndrzej Pietrasiewicz return scaler_clk_ctrl(scaler, false); 57701fb9185SAndrzej Pietrasiewicz } 57801fb9185SAndrzej Pietrasiewicz 57901fb9185SAndrzej Pietrasiewicz static int scaler_runtime_resume(struct device *dev) 58001fb9185SAndrzej Pietrasiewicz { 58101fb9185SAndrzej Pietrasiewicz struct scaler_context *scaler = dev_get_drvdata(dev); 58201fb9185SAndrzej Pietrasiewicz 58301fb9185SAndrzej Pietrasiewicz return scaler_clk_ctrl(scaler, true); 58401fb9185SAndrzej Pietrasiewicz } 58501fb9185SAndrzej Pietrasiewicz #endif 58601fb9185SAndrzej Pietrasiewicz 58701fb9185SAndrzej Pietrasiewicz static const struct dev_pm_ops scaler_pm_ops = { 58801fb9185SAndrzej Pietrasiewicz SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, 58901fb9185SAndrzej Pietrasiewicz pm_runtime_force_resume) 59001fb9185SAndrzej Pietrasiewicz SET_RUNTIME_PM_OPS(scaler_runtime_suspend, scaler_runtime_resume, NULL) 59101fb9185SAndrzej Pietrasiewicz }; 59201fb9185SAndrzej Pietrasiewicz 59301fb9185SAndrzej Pietrasiewicz static const struct drm_exynos_ipp_limit scaler_5420_two_pixel_hv_limits[] = { 59401fb9185SAndrzej Pietrasiewicz { IPP_SIZE_LIMIT(BUFFER, .h = { 16, SZ_8K }, .v = { 16, SZ_8K }) }, 59501fb9185SAndrzej Pietrasiewicz { IPP_SIZE_LIMIT(AREA, .h.align = 2, .v.align = 2) }, 59601fb9185SAndrzej Pietrasiewicz { IPP_SCALE_LIMIT(.h = { 65536 * 1 / 4, 65536 * 16 }, 59701fb9185SAndrzej Pietrasiewicz .v = { 65536 * 1 / 4, 65536 * 16 }) }, 59801fb9185SAndrzej Pietrasiewicz }; 59901fb9185SAndrzej Pietrasiewicz 60001fb9185SAndrzej Pietrasiewicz static const struct drm_exynos_ipp_limit scaler_5420_two_pixel_h_limits[] = { 60101fb9185SAndrzej Pietrasiewicz { IPP_SIZE_LIMIT(BUFFER, .h = { 16, SZ_8K }, .v = { 16, SZ_8K }) }, 60201fb9185SAndrzej Pietrasiewicz { IPP_SIZE_LIMIT(AREA, .h.align = 2, .v.align = 1) }, 60301fb9185SAndrzej Pietrasiewicz { IPP_SCALE_LIMIT(.h = { 65536 * 1 / 4, 65536 * 16 }, 60401fb9185SAndrzej Pietrasiewicz .v = { 65536 * 1 / 4, 65536 * 16 }) }, 60501fb9185SAndrzej Pietrasiewicz }; 60601fb9185SAndrzej Pietrasiewicz 60701fb9185SAndrzej Pietrasiewicz static const struct drm_exynos_ipp_limit scaler_5420_one_pixel_limits[] = { 60801fb9185SAndrzej Pietrasiewicz { IPP_SIZE_LIMIT(BUFFER, .h = { 16, SZ_8K }, .v = { 16, SZ_8K }) }, 60901fb9185SAndrzej Pietrasiewicz { IPP_SCALE_LIMIT(.h = { 65536 * 1 / 4, 65536 * 16 }, 61001fb9185SAndrzej Pietrasiewicz .v = { 65536 * 1 / 4, 65536 * 16 }) }, 61101fb9185SAndrzej Pietrasiewicz }; 61201fb9185SAndrzej Pietrasiewicz 6135fb652c2SAndrzej Pietrasiewicz static const struct drm_exynos_ipp_limit scaler_5420_tile_limits[] = { 6145fb652c2SAndrzej Pietrasiewicz { IPP_SIZE_LIMIT(BUFFER, .h = { 16, SZ_8K }, .v = { 16, SZ_8K })}, 6155fb652c2SAndrzej Pietrasiewicz { IPP_SIZE_LIMIT(AREA, .h.align = 16, .v.align = 16) }, 6165fb652c2SAndrzej Pietrasiewicz { IPP_SCALE_LIMIT(.h = {1, 1}, .v = {1, 1})}, 6175fb652c2SAndrzej Pietrasiewicz { } 6185fb652c2SAndrzej Pietrasiewicz }; 6195fb652c2SAndrzej Pietrasiewicz 6205fb652c2SAndrzej Pietrasiewicz #define IPP_SRCDST_TILE_FORMAT(f, l) \ 6215fb652c2SAndrzej Pietrasiewicz IPP_SRCDST_MFORMAT(f, DRM_FORMAT_MOD_SAMSUNG_16_16_TILE, (l)) 6225fb652c2SAndrzej Pietrasiewicz 62301fb9185SAndrzej Pietrasiewicz static const struct exynos_drm_ipp_formats exynos5420_formats[] = { 62401fb9185SAndrzej Pietrasiewicz /* SCALER_YUV420_2P_UV */ 62501fb9185SAndrzej Pietrasiewicz { IPP_SRCDST_FORMAT(NV21, scaler_5420_two_pixel_hv_limits) }, 62601fb9185SAndrzej Pietrasiewicz 62701fb9185SAndrzej Pietrasiewicz /* SCALER_YUV420_2P_VU */ 62801fb9185SAndrzej Pietrasiewicz { IPP_SRCDST_FORMAT(NV12, scaler_5420_two_pixel_hv_limits) }, 62901fb9185SAndrzej Pietrasiewicz 63001fb9185SAndrzej Pietrasiewicz /* SCALER_YUV420_3P */ 63101fb9185SAndrzej Pietrasiewicz { IPP_SRCDST_FORMAT(YUV420, scaler_5420_two_pixel_hv_limits) }, 63201fb9185SAndrzej Pietrasiewicz 63301fb9185SAndrzej Pietrasiewicz /* SCALER_YUV422_1P_YUYV */ 63401fb9185SAndrzej Pietrasiewicz { IPP_SRCDST_FORMAT(YUYV, scaler_5420_two_pixel_h_limits) }, 63501fb9185SAndrzej Pietrasiewicz 63601fb9185SAndrzej Pietrasiewicz /* SCALER_YUV422_1P_UYVY */ 63701fb9185SAndrzej Pietrasiewicz { IPP_SRCDST_FORMAT(UYVY, scaler_5420_two_pixel_h_limits) }, 63801fb9185SAndrzej Pietrasiewicz 63901fb9185SAndrzej Pietrasiewicz /* SCALER_YUV422_1P_YVYU */ 64001fb9185SAndrzej Pietrasiewicz { IPP_SRCDST_FORMAT(YVYU, scaler_5420_two_pixel_h_limits) }, 64101fb9185SAndrzej Pietrasiewicz 64201fb9185SAndrzej Pietrasiewicz /* SCALER_YUV422_2P_UV */ 64301fb9185SAndrzej Pietrasiewicz { IPP_SRCDST_FORMAT(NV61, scaler_5420_two_pixel_h_limits) }, 64401fb9185SAndrzej Pietrasiewicz 64501fb9185SAndrzej Pietrasiewicz /* SCALER_YUV422_2P_VU */ 64601fb9185SAndrzej Pietrasiewicz { IPP_SRCDST_FORMAT(NV16, scaler_5420_two_pixel_h_limits) }, 64701fb9185SAndrzej Pietrasiewicz 64801fb9185SAndrzej Pietrasiewicz /* SCALER_YUV422_3P */ 64901fb9185SAndrzej Pietrasiewicz { IPP_SRCDST_FORMAT(YUV422, scaler_5420_two_pixel_h_limits) }, 65001fb9185SAndrzej Pietrasiewicz 65101fb9185SAndrzej Pietrasiewicz /* SCALER_YUV444_2P_UV */ 65201fb9185SAndrzej Pietrasiewicz { IPP_SRCDST_FORMAT(NV42, scaler_5420_one_pixel_limits) }, 65301fb9185SAndrzej Pietrasiewicz 65401fb9185SAndrzej Pietrasiewicz /* SCALER_YUV444_2P_VU */ 65501fb9185SAndrzej Pietrasiewicz { IPP_SRCDST_FORMAT(NV24, scaler_5420_one_pixel_limits) }, 65601fb9185SAndrzej Pietrasiewicz 65701fb9185SAndrzej Pietrasiewicz /* SCALER_YUV444_3P */ 65801fb9185SAndrzej Pietrasiewicz { IPP_SRCDST_FORMAT(YUV444, scaler_5420_one_pixel_limits) }, 65901fb9185SAndrzej Pietrasiewicz 66001fb9185SAndrzej Pietrasiewicz /* SCALER_RGB_565 */ 66101fb9185SAndrzej Pietrasiewicz { IPP_SRCDST_FORMAT(RGB565, scaler_5420_one_pixel_limits) }, 66201fb9185SAndrzej Pietrasiewicz 66301fb9185SAndrzej Pietrasiewicz /* SCALER_ARGB1555 */ 66401fb9185SAndrzej Pietrasiewicz { IPP_SRCDST_FORMAT(XRGB1555, scaler_5420_one_pixel_limits) }, 66501fb9185SAndrzej Pietrasiewicz 66601fb9185SAndrzej Pietrasiewicz /* SCALER_ARGB1555 */ 66701fb9185SAndrzej Pietrasiewicz { IPP_SRCDST_FORMAT(ARGB1555, scaler_5420_one_pixel_limits) }, 66801fb9185SAndrzej Pietrasiewicz 66901fb9185SAndrzej Pietrasiewicz /* SCALER_ARGB4444 */ 67001fb9185SAndrzej Pietrasiewicz { IPP_SRCDST_FORMAT(XRGB4444, scaler_5420_one_pixel_limits) }, 67101fb9185SAndrzej Pietrasiewicz 67201fb9185SAndrzej Pietrasiewicz /* SCALER_ARGB4444 */ 67301fb9185SAndrzej Pietrasiewicz { IPP_SRCDST_FORMAT(ARGB4444, scaler_5420_one_pixel_limits) }, 67401fb9185SAndrzej Pietrasiewicz 67501fb9185SAndrzej Pietrasiewicz /* SCALER_ARGB8888 */ 67601fb9185SAndrzej Pietrasiewicz { IPP_SRCDST_FORMAT(XRGB8888, scaler_5420_one_pixel_limits) }, 67701fb9185SAndrzej Pietrasiewicz 67801fb9185SAndrzej Pietrasiewicz /* SCALER_ARGB8888 */ 67901fb9185SAndrzej Pietrasiewicz { IPP_SRCDST_FORMAT(ARGB8888, scaler_5420_one_pixel_limits) }, 68001fb9185SAndrzej Pietrasiewicz 68101fb9185SAndrzej Pietrasiewicz /* SCALER_RGBA8888 */ 68201fb9185SAndrzej Pietrasiewicz { IPP_SRCDST_FORMAT(RGBX8888, scaler_5420_one_pixel_limits) }, 68301fb9185SAndrzej Pietrasiewicz 68401fb9185SAndrzej Pietrasiewicz /* SCALER_RGBA8888 */ 68501fb9185SAndrzej Pietrasiewicz { IPP_SRCDST_FORMAT(RGBA8888, scaler_5420_one_pixel_limits) }, 6865fb652c2SAndrzej Pietrasiewicz 6875fb652c2SAndrzej Pietrasiewicz /* SCALER_YUV420_2P_UV TILE */ 6885fb652c2SAndrzej Pietrasiewicz { IPP_SRCDST_TILE_FORMAT(NV21, scaler_5420_tile_limits) }, 6895fb652c2SAndrzej Pietrasiewicz 6905fb652c2SAndrzej Pietrasiewicz /* SCALER_YUV420_2P_VU TILE */ 6915fb652c2SAndrzej Pietrasiewicz { IPP_SRCDST_TILE_FORMAT(NV12, scaler_5420_tile_limits) }, 6925fb652c2SAndrzej Pietrasiewicz 6935fb652c2SAndrzej Pietrasiewicz /* SCALER_YUV420_3P TILE */ 6945fb652c2SAndrzej Pietrasiewicz { IPP_SRCDST_TILE_FORMAT(YUV420, scaler_5420_tile_limits) }, 6955fb652c2SAndrzej Pietrasiewicz 6965fb652c2SAndrzej Pietrasiewicz /* SCALER_YUV422_1P_YUYV TILE */ 6975fb652c2SAndrzej Pietrasiewicz { IPP_SRCDST_TILE_FORMAT(YUYV, scaler_5420_tile_limits) }, 69801fb9185SAndrzej Pietrasiewicz }; 69901fb9185SAndrzej Pietrasiewicz 70001fb9185SAndrzej Pietrasiewicz static const struct scaler_data exynos5420_data = { 70101fb9185SAndrzej Pietrasiewicz .clk_name = {"mscl"}, 70201fb9185SAndrzej Pietrasiewicz .num_clk = 1, 70301fb9185SAndrzej Pietrasiewicz .formats = exynos5420_formats, 70401fb9185SAndrzej Pietrasiewicz .num_formats = ARRAY_SIZE(exynos5420_formats), 70501fb9185SAndrzej Pietrasiewicz }; 70601fb9185SAndrzej Pietrasiewicz 70701fb9185SAndrzej Pietrasiewicz static const struct scaler_data exynos5433_data = { 70801fb9185SAndrzej Pietrasiewicz .clk_name = {"pclk", "aclk", "aclk_xiu"}, 70901fb9185SAndrzej Pietrasiewicz .num_clk = 3, 71001fb9185SAndrzej Pietrasiewicz .formats = exynos5420_formats, /* intentional */ 71101fb9185SAndrzej Pietrasiewicz .num_formats = ARRAY_SIZE(exynos5420_formats), 71201fb9185SAndrzej Pietrasiewicz }; 71301fb9185SAndrzej Pietrasiewicz 71401fb9185SAndrzej Pietrasiewicz static const struct of_device_id exynos_scaler_match[] = { 71501fb9185SAndrzej Pietrasiewicz { 71601fb9185SAndrzej Pietrasiewicz .compatible = "samsung,exynos5420-scaler", 71701fb9185SAndrzej Pietrasiewicz .data = &exynos5420_data, 71801fb9185SAndrzej Pietrasiewicz }, { 71901fb9185SAndrzej Pietrasiewicz .compatible = "samsung,exynos5433-scaler", 72001fb9185SAndrzej Pietrasiewicz .data = &exynos5433_data, 72101fb9185SAndrzej Pietrasiewicz }, { 72201fb9185SAndrzej Pietrasiewicz }, 72301fb9185SAndrzej Pietrasiewicz }; 72401fb9185SAndrzej Pietrasiewicz MODULE_DEVICE_TABLE(of, exynos_scaler_match); 72501fb9185SAndrzej Pietrasiewicz 72601fb9185SAndrzej Pietrasiewicz struct platform_driver scaler_driver = { 72701fb9185SAndrzej Pietrasiewicz .probe = scaler_probe, 72801fb9185SAndrzej Pietrasiewicz .remove = scaler_remove, 72901fb9185SAndrzej Pietrasiewicz .driver = { 73001fb9185SAndrzej Pietrasiewicz .name = "exynos-scaler", 73101fb9185SAndrzej Pietrasiewicz .owner = THIS_MODULE, 73201fb9185SAndrzej Pietrasiewicz .pm = &scaler_pm_ops, 73301fb9185SAndrzej Pietrasiewicz .of_match_table = exynos_scaler_match, 73401fb9185SAndrzej Pietrasiewicz }, 73501fb9185SAndrzej Pietrasiewicz }; 736