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1/* SPDX-License-Identifier: GPL-2.0-only */2/*3 * Copyright (c) 2013 Texas Instruments Inc.4 *5 * David Griego, <dagriego@biglakesoftware.com>6 * Dale Farnsworth, <dale@farnsworth.org>7 * Archit Taneja, <archit@ti.com>8 */9 10#ifndef __TI_VPDMA_H_11#define __TI_VPDMA_H_12 13#define VPDMA_MAX_NUM_LIST 814/*15 * A vpdma_buf tracks the size, DMA address and mapping status of each16 * driver DMA area.17 */18struct vpdma_buf {19 void *addr;20 dma_addr_t dma_addr;21 size_t size;22 bool mapped;23};24 25struct vpdma_desc_list {26 struct vpdma_buf buf;27 void *next;28 int type;29};30 31struct vpdma_data {32 void __iomem *base;33 34 struct platform_device *pdev;35 36 spinlock_t lock;37 bool hwlist_used[VPDMA_MAX_NUM_LIST];38 void *hwlist_priv[VPDMA_MAX_NUM_LIST];39 /* callback to VPE driver when the firmware is loaded */40 void (*cb)(struct platform_device *pdev);41};42 43enum vpdma_data_format_type {44 VPDMA_DATA_FMT_TYPE_YUV,45 VPDMA_DATA_FMT_TYPE_RGB,46 VPDMA_DATA_FMT_TYPE_MISC,47};48 49struct vpdma_data_format {50 enum vpdma_data_format_type type;51 int data_type;52 u8 depth;53};54 55#define VPDMA_DESC_ALIGN 16 /* 16-byte descriptor alignment */56#define VPDMA_STRIDE_ALIGN 16 /*57 * line stride of source and dest58 * buffers should be 16 byte aligned59 */60#define VPDMA_MAX_STRIDE 65520 /* Max line stride 16 byte aligned */61#define VPDMA_DTD_DESC_SIZE 32 /* 8 words */62#define VPDMA_CFD_CTD_DESC_SIZE 16 /* 4 words */63 64#define VPDMA_LIST_TYPE_NORMAL 065#define VPDMA_LIST_TYPE_SELF_MODIFYING 166#define VPDMA_LIST_TYPE_DOORBELL 267 68enum vpdma_yuv_formats {69 VPDMA_DATA_FMT_Y444 = 0,70 VPDMA_DATA_FMT_Y422,71 VPDMA_DATA_FMT_Y420,72 VPDMA_DATA_FMT_C444,73 VPDMA_DATA_FMT_C422,74 VPDMA_DATA_FMT_C420,75 VPDMA_DATA_FMT_CB420,76 VPDMA_DATA_FMT_YCR422,77 VPDMA_DATA_FMT_YC444,78 VPDMA_DATA_FMT_CRY422,79 VPDMA_DATA_FMT_CBY422,80 VPDMA_DATA_FMT_YCB422,81};82 83enum vpdma_rgb_formats {84 VPDMA_DATA_FMT_RGB565 = 0,85 VPDMA_DATA_FMT_ARGB16_1555,86 VPDMA_DATA_FMT_ARGB16,87 VPDMA_DATA_FMT_RGBA16_5551,88 VPDMA_DATA_FMT_RGBA16,89 VPDMA_DATA_FMT_ARGB24,90 VPDMA_DATA_FMT_RGB24,91 VPDMA_DATA_FMT_ARGB32,92 VPDMA_DATA_FMT_RGBA24,93 VPDMA_DATA_FMT_RGBA32,94 VPDMA_DATA_FMT_BGR565,95 VPDMA_DATA_FMT_ABGR16_1555,96 VPDMA_DATA_FMT_ABGR16,97 VPDMA_DATA_FMT_BGRA16_5551,98 VPDMA_DATA_FMT_BGRA16,99 VPDMA_DATA_FMT_ABGR24,100 VPDMA_DATA_FMT_BGR24,101 VPDMA_DATA_FMT_ABGR32,102 VPDMA_DATA_FMT_BGRA24,103 VPDMA_DATA_FMT_BGRA32,104};105 106enum vpdma_raw_formats {107 VPDMA_DATA_FMT_RAW8 = 0,108 VPDMA_DATA_FMT_RAW16,109};110 111enum vpdma_misc_formats {112 VPDMA_DATA_FMT_MV = 0,113};114 115extern const struct vpdma_data_format vpdma_yuv_fmts[];116extern const struct vpdma_data_format vpdma_rgb_fmts[];117extern const struct vpdma_data_format vpdma_raw_fmts[];118extern const struct vpdma_data_format vpdma_misc_fmts[];119 120enum vpdma_frame_start_event {121 VPDMA_FSEVENT_HDMI_FID = 0,122 VPDMA_FSEVENT_DVO2_FID,123 VPDMA_FSEVENT_HDCOMP_FID,124 VPDMA_FSEVENT_SD_FID,125 VPDMA_FSEVENT_LM_FID0,126 VPDMA_FSEVENT_LM_FID1,127 VPDMA_FSEVENT_LM_FID2,128 VPDMA_FSEVENT_CHANNEL_ACTIVE,129};130 131/* max width configurations */132enum vpdma_max_width {133 MAX_OUT_WIDTH_UNLIMITED = 0,134 MAX_OUT_WIDTH_REG1,135 MAX_OUT_WIDTH_REG2,136 MAX_OUT_WIDTH_REG3,137 MAX_OUT_WIDTH_352,138 MAX_OUT_WIDTH_768,139 MAX_OUT_WIDTH_1280,140 MAX_OUT_WIDTH_1920,141};142 143/* max height configurations */144enum vpdma_max_height {145 MAX_OUT_HEIGHT_UNLIMITED = 0,146 MAX_OUT_HEIGHT_REG1,147 MAX_OUT_HEIGHT_REG2,148 MAX_OUT_HEIGHT_REG3,149 MAX_OUT_HEIGHT_288,150 MAX_OUT_HEIGHT_576,151 MAX_OUT_HEIGHT_720,152 MAX_OUT_HEIGHT_1080,153};154 155/*156 * VPDMA channel numbers157 */158enum vpdma_channel {159 VPE_CHAN_LUMA1_IN,160 VPE_CHAN_CHROMA1_IN,161 VPE_CHAN_LUMA2_IN,162 VPE_CHAN_CHROMA2_IN,163 VPE_CHAN_LUMA3_IN,164 VPE_CHAN_CHROMA3_IN,165 VPE_CHAN_MV_IN,166 VPE_CHAN_MV_OUT,167 VPE_CHAN_LUMA_OUT,168 VPE_CHAN_CHROMA_OUT,169 VPE_CHAN_RGB_OUT,170};171 172#define VIP_CHAN_VIP2_OFFSET 70173#define VIP_CHAN_MULT_PORTB_OFFSET 16174#define VIP_CHAN_YUV_PORTB_OFFSET 2175#define VIP_CHAN_RGB_PORTB_OFFSET 1176 177#define VPDMA_MAX_CHANNELS 256178 179/* flags for VPDMA data descriptors */180#define VPDMA_DATA_ODD_LINE_SKIP (1 << 0)181#define VPDMA_DATA_EVEN_LINE_SKIP (1 << 1)182#define VPDMA_DATA_FRAME_1D (1 << 2)183#define VPDMA_DATA_MODE_TILED (1 << 3)184 185/*186 * client identifiers used for configuration descriptors187 */188#define CFD_MMR_CLIENT 0189#define CFD_SC_CLIENT 4190 191/* Address data block header format */192struct vpdma_adb_hdr {193 u32 offset;194 u32 nwords;195 u32 reserved0;196 u32 reserved1;197};198 199/* helpers for creating ADB headers for config descriptors MMRs as client */200#define ADB_ADDR(dma_buf, str, fld) ((dma_buf)->addr + offsetof(str, fld))201#define MMR_ADB_ADDR(buf, str, fld) ADB_ADDR(&(buf), struct str, fld)202 203#define VPDMA_SET_MMR_ADB_HDR(buf, str, hdr, regs, offset_a) \204 do { \205 struct vpdma_adb_hdr *h; \206 struct str *adb = NULL; \207 h = MMR_ADB_ADDR(buf, str, hdr); \208 h->offset = (offset_a); \209 h->nwords = sizeof(adb->regs) >> 2; \210 } while (0)211 212/* vpdma descriptor buffer allocation and management */213int vpdma_alloc_desc_buf(struct vpdma_buf *buf, size_t size);214void vpdma_free_desc_buf(struct vpdma_buf *buf);215int vpdma_map_desc_buf(struct vpdma_data *vpdma, struct vpdma_buf *buf);216void vpdma_unmap_desc_buf(struct vpdma_data *vpdma, struct vpdma_buf *buf);217 218/* vpdma descriptor list funcs */219int vpdma_create_desc_list(struct vpdma_desc_list *list, size_t size, int type);220void vpdma_reset_desc_list(struct vpdma_desc_list *list);221void vpdma_free_desc_list(struct vpdma_desc_list *list);222int vpdma_submit_descs(struct vpdma_data *vpdma, struct vpdma_desc_list *list,223 int list_num);224bool vpdma_list_busy(struct vpdma_data *vpdma, int list_num);225void vpdma_update_dma_addr(struct vpdma_data *vpdma,226 struct vpdma_desc_list *list, dma_addr_t dma_addr,227 void *write_dtd, int drop, int idx);228 229/* VPDMA hardware list funcs */230int vpdma_hwlist_alloc(struct vpdma_data *vpdma, void *priv);231void *vpdma_hwlist_get_priv(struct vpdma_data *vpdma, int list_num);232void *vpdma_hwlist_release(struct vpdma_data *vpdma, int list_num);233 234/* helpers for creating vpdma descriptors */235void vpdma_add_cfd_block(struct vpdma_desc_list *list, int client,236 struct vpdma_buf *blk, u32 dest_offset);237void vpdma_add_cfd_adb(struct vpdma_desc_list *list, int client,238 struct vpdma_buf *adb);239void vpdma_add_sync_on_channel_ctd(struct vpdma_desc_list *list,240 enum vpdma_channel chan);241void vpdma_add_abort_channel_ctd(struct vpdma_desc_list *list,242 int chan_num);243void vpdma_add_out_dtd(struct vpdma_desc_list *list, int width,244 int stride, const struct v4l2_rect *c_rect,245 const struct vpdma_data_format *fmt, dma_addr_t dma_addr,246 int max_w, int max_h, enum vpdma_channel chan, u32 flags);247void vpdma_rawchan_add_out_dtd(struct vpdma_desc_list *list, int width,248 int stride, const struct v4l2_rect *c_rect,249 const struct vpdma_data_format *fmt, dma_addr_t dma_addr,250 int max_w, int max_h, int raw_vpdma_chan, u32 flags);251 252void vpdma_add_in_dtd(struct vpdma_desc_list *list, int width,253 int stride, const struct v4l2_rect *c_rect,254 const struct vpdma_data_format *fmt, dma_addr_t dma_addr,255 enum vpdma_channel chan, int field, u32 flags, int frame_width,256 int frame_height, int start_h, int start_v);257int vpdma_list_cleanup(struct vpdma_data *vpdma, int list_num,258 int *channels, int size);259 260/* vpdma list interrupt management */261void vpdma_enable_list_complete_irq(struct vpdma_data *vpdma, int irq_num,262 int list_num, bool enable);263void vpdma_clear_list_stat(struct vpdma_data *vpdma, int irq_num,264 int list_num);265unsigned int vpdma_get_list_stat(struct vpdma_data *vpdma, int irq_num);266unsigned int vpdma_get_list_mask(struct vpdma_data *vpdma, int irq_num);267 268/* vpdma client configuration */269void vpdma_set_line_mode(struct vpdma_data *vpdma, int line_mode,270 enum vpdma_channel chan);271void vpdma_set_frame_start_event(struct vpdma_data *vpdma,272 enum vpdma_frame_start_event fs_event, enum vpdma_channel chan);273void vpdma_set_max_size(struct vpdma_data *vpdma, int reg_addr,274 u32 width, u32 height);275 276void vpdma_set_bg_color(struct vpdma_data *vpdma,277 struct vpdma_data_format *fmt, u32 color);278void vpdma_dump_regs(struct vpdma_data *vpdma);279 280/* initialize vpdma, passed with VPE's platform device pointer */281int vpdma_create(struct platform_device *pdev, struct vpdma_data *vpdma,282 void (*cb)(struct platform_device *pdev));283 284#endif285