Archit Taneja | 9262e5a | 2013-10-16 02:36:45 -0300 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2013 Texas Instruments Inc. |
| 3 | * |
| 4 | * David Griego, <dagriego@biglakesoftware.com> |
| 5 | * Dale Farnsworth, <dale@farnsworth.org> |
| 6 | * Archit Taneja, <archit@ti.com> |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify it |
| 9 | * under the terms of the GNU General Public License version 2 as published by |
| 10 | * the Free Software Foundation. |
| 11 | */ |
| 12 | |
| 13 | #ifndef __TI_VPDMA_H_ |
| 14 | #define __TI_VPDMA_H_ |
| 15 | |
| 16 | /* |
| 17 | * A vpdma_buf tracks the size, DMA address and mapping status of each |
| 18 | * driver DMA area. |
| 19 | */ |
| 20 | struct vpdma_buf { |
| 21 | void *addr; |
| 22 | dma_addr_t dma_addr; |
| 23 | size_t size; |
| 24 | bool mapped; |
| 25 | }; |
| 26 | |
| 27 | struct vpdma_desc_list { |
| 28 | struct vpdma_buf buf; |
| 29 | void *next; |
| 30 | int type; |
| 31 | }; |
| 32 | |
| 33 | struct vpdma_data { |
| 34 | void __iomem *base; |
| 35 | |
| 36 | struct platform_device *pdev; |
| 37 | |
| 38 | /* tells whether vpdma firmware is loaded or not */ |
| 39 | bool ready; |
| 40 | }; |
| 41 | |
| 42 | struct vpdma_data_format { |
| 43 | int data_type; |
| 44 | u8 depth; |
| 45 | }; |
| 46 | |
| 47 | #define VPDMA_DESC_ALIGN 16 /* 16-byte descriptor alignment */ |
| 48 | |
| 49 | #define VPDMA_DTD_DESC_SIZE 32 /* 8 words */ |
| 50 | #define VPDMA_CFD_CTD_DESC_SIZE 16 /* 4 words */ |
| 51 | |
| 52 | #define VPDMA_LIST_TYPE_NORMAL 0 |
| 53 | #define VPDMA_LIST_TYPE_SELF_MODIFYING 1 |
| 54 | #define VPDMA_LIST_TYPE_DOORBELL 2 |
| 55 | |
| 56 | enum vpdma_yuv_formats { |
| 57 | VPDMA_DATA_FMT_Y444 = 0, |
| 58 | VPDMA_DATA_FMT_Y422, |
| 59 | VPDMA_DATA_FMT_Y420, |
| 60 | VPDMA_DATA_FMT_C444, |
| 61 | VPDMA_DATA_FMT_C422, |
| 62 | VPDMA_DATA_FMT_C420, |
| 63 | VPDMA_DATA_FMT_YC422, |
| 64 | VPDMA_DATA_FMT_YC444, |
| 65 | VPDMA_DATA_FMT_CY422, |
| 66 | }; |
| 67 | |
| 68 | enum vpdma_rgb_formats { |
| 69 | VPDMA_DATA_FMT_RGB565 = 0, |
| 70 | VPDMA_DATA_FMT_ARGB16_1555, |
| 71 | VPDMA_DATA_FMT_ARGB16, |
| 72 | VPDMA_DATA_FMT_RGBA16_5551, |
| 73 | VPDMA_DATA_FMT_RGBA16, |
| 74 | VPDMA_DATA_FMT_ARGB24, |
| 75 | VPDMA_DATA_FMT_RGB24, |
| 76 | VPDMA_DATA_FMT_ARGB32, |
| 77 | VPDMA_DATA_FMT_RGBA24, |
| 78 | VPDMA_DATA_FMT_RGBA32, |
| 79 | VPDMA_DATA_FMT_BGR565, |
| 80 | VPDMA_DATA_FMT_ABGR16_1555, |
| 81 | VPDMA_DATA_FMT_ABGR16, |
| 82 | VPDMA_DATA_FMT_BGRA16_5551, |
| 83 | VPDMA_DATA_FMT_BGRA16, |
| 84 | VPDMA_DATA_FMT_ABGR24, |
| 85 | VPDMA_DATA_FMT_BGR24, |
| 86 | VPDMA_DATA_FMT_ABGR32, |
| 87 | VPDMA_DATA_FMT_BGRA24, |
| 88 | VPDMA_DATA_FMT_BGRA32, |
| 89 | }; |
| 90 | |
| 91 | enum vpdma_misc_formats { |
| 92 | VPDMA_DATA_FMT_MV = 0, |
| 93 | }; |
| 94 | |
| 95 | extern const struct vpdma_data_format vpdma_yuv_fmts[]; |
| 96 | extern const struct vpdma_data_format vpdma_rgb_fmts[]; |
| 97 | extern const struct vpdma_data_format vpdma_misc_fmts[]; |
| 98 | |
| 99 | enum vpdma_frame_start_event { |
| 100 | VPDMA_FSEVENT_HDMI_FID = 0, |
| 101 | VPDMA_FSEVENT_DVO2_FID, |
| 102 | VPDMA_FSEVENT_HDCOMP_FID, |
| 103 | VPDMA_FSEVENT_SD_FID, |
| 104 | VPDMA_FSEVENT_LM_FID0, |
| 105 | VPDMA_FSEVENT_LM_FID1, |
| 106 | VPDMA_FSEVENT_LM_FID2, |
| 107 | VPDMA_FSEVENT_CHANNEL_ACTIVE, |
| 108 | }; |
| 109 | |
| 110 | /* |
| 111 | * VPDMA channel numbers |
| 112 | */ |
| 113 | enum vpdma_channel { |
| 114 | VPE_CHAN_LUMA1_IN, |
| 115 | VPE_CHAN_CHROMA1_IN, |
| 116 | VPE_CHAN_LUMA2_IN, |
| 117 | VPE_CHAN_CHROMA2_IN, |
| 118 | VPE_CHAN_LUMA3_IN, |
| 119 | VPE_CHAN_CHROMA3_IN, |
| 120 | VPE_CHAN_MV_IN, |
| 121 | VPE_CHAN_MV_OUT, |
| 122 | VPE_CHAN_LUMA_OUT, |
| 123 | VPE_CHAN_CHROMA_OUT, |
| 124 | VPE_CHAN_RGB_OUT, |
| 125 | }; |
| 126 | |
Archit Taneja | 213b8ee | 2013-10-16 02:36:46 -0300 | [diff] [blame] | 127 | /* flags for VPDMA data descriptors */ |
| 128 | #define VPDMA_DATA_ODD_LINE_SKIP (1 << 0) |
| 129 | #define VPDMA_DATA_EVEN_LINE_SKIP (1 << 1) |
| 130 | #define VPDMA_DATA_FRAME_1D (1 << 2) |
| 131 | #define VPDMA_DATA_MODE_TILED (1 << 3) |
| 132 | |
| 133 | /* |
| 134 | * client identifiers used for configuration descriptors |
| 135 | */ |
| 136 | #define CFD_MMR_CLIENT 0 |
| 137 | #define CFD_SC_CLIENT 4 |
| 138 | |
| 139 | /* Address data block header format */ |
| 140 | struct vpdma_adb_hdr { |
| 141 | u32 offset; |
| 142 | u32 nwords; |
| 143 | u32 reserved0; |
| 144 | u32 reserved1; |
| 145 | }; |
| 146 | |
| 147 | /* helpers for creating ADB headers for config descriptors MMRs as client */ |
| 148 | #define ADB_ADDR(dma_buf, str, fld) ((dma_buf)->addr + offsetof(str, fld)) |
| 149 | #define MMR_ADB_ADDR(buf, str, fld) ADB_ADDR(&(buf), struct str, fld) |
| 150 | |
| 151 | #define VPDMA_SET_MMR_ADB_HDR(buf, str, hdr, regs, offset_a) \ |
| 152 | do { \ |
| 153 | struct vpdma_adb_hdr *h; \ |
| 154 | struct str *adb = NULL; \ |
| 155 | h = MMR_ADB_ADDR(buf, str, hdr); \ |
| 156 | h->offset = (offset_a); \ |
| 157 | h->nwords = sizeof(adb->regs) >> 2; \ |
| 158 | } while (0) |
| 159 | |
Archit Taneja | 9262e5a | 2013-10-16 02:36:45 -0300 | [diff] [blame] | 160 | /* vpdma descriptor buffer allocation and management */ |
| 161 | int vpdma_alloc_desc_buf(struct vpdma_buf *buf, size_t size); |
| 162 | void vpdma_free_desc_buf(struct vpdma_buf *buf); |
| 163 | int vpdma_map_desc_buf(struct vpdma_data *vpdma, struct vpdma_buf *buf); |
| 164 | void vpdma_unmap_desc_buf(struct vpdma_data *vpdma, struct vpdma_buf *buf); |
| 165 | |
| 166 | /* vpdma descriptor list funcs */ |
| 167 | int vpdma_create_desc_list(struct vpdma_desc_list *list, size_t size, int type); |
| 168 | void vpdma_reset_desc_list(struct vpdma_desc_list *list); |
| 169 | void vpdma_free_desc_list(struct vpdma_desc_list *list); |
| 170 | int vpdma_submit_descs(struct vpdma_data *vpdma, struct vpdma_desc_list *list); |
| 171 | |
Archit Taneja | 213b8ee | 2013-10-16 02:36:46 -0300 | [diff] [blame] | 172 | /* helpers for creating vpdma descriptors */ |
| 173 | void vpdma_add_cfd_block(struct vpdma_desc_list *list, int client, |
| 174 | struct vpdma_buf *blk, u32 dest_offset); |
| 175 | void vpdma_add_cfd_adb(struct vpdma_desc_list *list, int client, |
| 176 | struct vpdma_buf *adb); |
| 177 | void vpdma_add_sync_on_channel_ctd(struct vpdma_desc_list *list, |
| 178 | enum vpdma_channel chan); |
| 179 | void vpdma_add_out_dtd(struct vpdma_desc_list *list, struct v4l2_rect *c_rect, |
| 180 | const struct vpdma_data_format *fmt, dma_addr_t dma_addr, |
| 181 | enum vpdma_channel chan, u32 flags); |
| 182 | void vpdma_add_in_dtd(struct vpdma_desc_list *list, int frame_width, |
| 183 | int frame_height, struct v4l2_rect *c_rect, |
| 184 | const struct vpdma_data_format *fmt, dma_addr_t dma_addr, |
| 185 | enum vpdma_channel chan, int field, u32 flags); |
| 186 | |
Archit Taneja | 9262e5a | 2013-10-16 02:36:45 -0300 | [diff] [blame] | 187 | /* vpdma list interrupt management */ |
| 188 | void vpdma_enable_list_complete_irq(struct vpdma_data *vpdma, int list_num, |
| 189 | bool enable); |
| 190 | void vpdma_clear_list_stat(struct vpdma_data *vpdma); |
| 191 | |
| 192 | /* vpdma client configuration */ |
| 193 | void vpdma_set_line_mode(struct vpdma_data *vpdma, int line_mode, |
| 194 | enum vpdma_channel chan); |
| 195 | void vpdma_set_frame_start_event(struct vpdma_data *vpdma, |
| 196 | enum vpdma_frame_start_event fs_event, enum vpdma_channel chan); |
| 197 | |
| 198 | void vpdma_dump_regs(struct vpdma_data *vpdma); |
| 199 | |
| 200 | /* initialize vpdma, passed with VPE's platform device pointer */ |
| 201 | struct vpdma_data *vpdma_create(struct platform_device *pdev); |
| 202 | |
| 203 | #endif |