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 | |
Archit Taneja | b2c9472 | 2014-03-13 08:44:04 -0300 | [diff] [blame] | 38 | /* callback to VPE driver when the firmware is loaded */ |
| 39 | void (*cb)(struct platform_device *pdev); |
Archit Taneja | 9262e5a | 2013-10-16 02:36:45 -0300 | [diff] [blame] | 40 | }; |
| 41 | |
Archit Taneja | b4fcdaf | 2013-12-12 05:36:04 -0300 | [diff] [blame] | 42 | enum vpdma_data_format_type { |
| 43 | VPDMA_DATA_FMT_TYPE_YUV, |
| 44 | VPDMA_DATA_FMT_TYPE_RGB, |
| 45 | VPDMA_DATA_FMT_TYPE_MISC, |
| 46 | }; |
| 47 | |
Archit Taneja | 9262e5a | 2013-10-16 02:36:45 -0300 | [diff] [blame] | 48 | struct vpdma_data_format { |
Archit Taneja | b4fcdaf | 2013-12-12 05:36:04 -0300 | [diff] [blame] | 49 | enum vpdma_data_format_type type; |
Archit Taneja | 9262e5a | 2013-10-16 02:36:45 -0300 | [diff] [blame] | 50 | int data_type; |
| 51 | u8 depth; |
| 52 | }; |
| 53 | |
| 54 | #define VPDMA_DESC_ALIGN 16 /* 16-byte descriptor alignment */ |
Archit Taneja | a51cd8f | 2013-12-03 08:51:13 -0300 | [diff] [blame] | 55 | #define VPDMA_STRIDE_ALIGN 16 /* |
| 56 | * line stride of source and dest |
| 57 | * buffers should be 16 byte aligned |
| 58 | */ |
Archit Taneja | 9262e5a | 2013-10-16 02:36:45 -0300 | [diff] [blame] | 59 | #define VPDMA_DTD_DESC_SIZE 32 /* 8 words */ |
| 60 | #define VPDMA_CFD_CTD_DESC_SIZE 16 /* 4 words */ |
| 61 | |
| 62 | #define VPDMA_LIST_TYPE_NORMAL 0 |
| 63 | #define VPDMA_LIST_TYPE_SELF_MODIFYING 1 |
| 64 | #define VPDMA_LIST_TYPE_DOORBELL 2 |
| 65 | |
| 66 | enum vpdma_yuv_formats { |
| 67 | VPDMA_DATA_FMT_Y444 = 0, |
| 68 | VPDMA_DATA_FMT_Y422, |
| 69 | VPDMA_DATA_FMT_Y420, |
| 70 | VPDMA_DATA_FMT_C444, |
| 71 | VPDMA_DATA_FMT_C422, |
| 72 | VPDMA_DATA_FMT_C420, |
| 73 | VPDMA_DATA_FMT_YC422, |
| 74 | VPDMA_DATA_FMT_YC444, |
| 75 | VPDMA_DATA_FMT_CY422, |
| 76 | }; |
| 77 | |
| 78 | enum vpdma_rgb_formats { |
| 79 | VPDMA_DATA_FMT_RGB565 = 0, |
| 80 | VPDMA_DATA_FMT_ARGB16_1555, |
| 81 | VPDMA_DATA_FMT_ARGB16, |
| 82 | VPDMA_DATA_FMT_RGBA16_5551, |
| 83 | VPDMA_DATA_FMT_RGBA16, |
| 84 | VPDMA_DATA_FMT_ARGB24, |
| 85 | VPDMA_DATA_FMT_RGB24, |
| 86 | VPDMA_DATA_FMT_ARGB32, |
| 87 | VPDMA_DATA_FMT_RGBA24, |
| 88 | VPDMA_DATA_FMT_RGBA32, |
| 89 | VPDMA_DATA_FMT_BGR565, |
| 90 | VPDMA_DATA_FMT_ABGR16_1555, |
| 91 | VPDMA_DATA_FMT_ABGR16, |
| 92 | VPDMA_DATA_FMT_BGRA16_5551, |
| 93 | VPDMA_DATA_FMT_BGRA16, |
| 94 | VPDMA_DATA_FMT_ABGR24, |
| 95 | VPDMA_DATA_FMT_BGR24, |
| 96 | VPDMA_DATA_FMT_ABGR32, |
| 97 | VPDMA_DATA_FMT_BGRA24, |
| 98 | VPDMA_DATA_FMT_BGRA32, |
| 99 | }; |
| 100 | |
| 101 | enum vpdma_misc_formats { |
| 102 | VPDMA_DATA_FMT_MV = 0, |
| 103 | }; |
| 104 | |
| 105 | extern const struct vpdma_data_format vpdma_yuv_fmts[]; |
| 106 | extern const struct vpdma_data_format vpdma_rgb_fmts[]; |
| 107 | extern const struct vpdma_data_format vpdma_misc_fmts[]; |
| 108 | |
| 109 | enum vpdma_frame_start_event { |
| 110 | VPDMA_FSEVENT_HDMI_FID = 0, |
| 111 | VPDMA_FSEVENT_DVO2_FID, |
| 112 | VPDMA_FSEVENT_HDCOMP_FID, |
| 113 | VPDMA_FSEVENT_SD_FID, |
| 114 | VPDMA_FSEVENT_LM_FID0, |
| 115 | VPDMA_FSEVENT_LM_FID1, |
| 116 | VPDMA_FSEVENT_LM_FID2, |
| 117 | VPDMA_FSEVENT_CHANNEL_ACTIVE, |
| 118 | }; |
| 119 | |
| 120 | /* |
| 121 | * VPDMA channel numbers |
| 122 | */ |
| 123 | enum vpdma_channel { |
| 124 | VPE_CHAN_LUMA1_IN, |
| 125 | VPE_CHAN_CHROMA1_IN, |
| 126 | VPE_CHAN_LUMA2_IN, |
| 127 | VPE_CHAN_CHROMA2_IN, |
| 128 | VPE_CHAN_LUMA3_IN, |
| 129 | VPE_CHAN_CHROMA3_IN, |
| 130 | VPE_CHAN_MV_IN, |
| 131 | VPE_CHAN_MV_OUT, |
| 132 | VPE_CHAN_LUMA_OUT, |
| 133 | VPE_CHAN_CHROMA_OUT, |
| 134 | VPE_CHAN_RGB_OUT, |
| 135 | }; |
| 136 | |
Archit Taneja | 213b8ee | 2013-10-16 02:36:46 -0300 | [diff] [blame] | 137 | /* flags for VPDMA data descriptors */ |
| 138 | #define VPDMA_DATA_ODD_LINE_SKIP (1 << 0) |
| 139 | #define VPDMA_DATA_EVEN_LINE_SKIP (1 << 1) |
| 140 | #define VPDMA_DATA_FRAME_1D (1 << 2) |
| 141 | #define VPDMA_DATA_MODE_TILED (1 << 3) |
| 142 | |
| 143 | /* |
| 144 | * client identifiers used for configuration descriptors |
| 145 | */ |
| 146 | #define CFD_MMR_CLIENT 0 |
| 147 | #define CFD_SC_CLIENT 4 |
| 148 | |
| 149 | /* Address data block header format */ |
| 150 | struct vpdma_adb_hdr { |
| 151 | u32 offset; |
| 152 | u32 nwords; |
| 153 | u32 reserved0; |
| 154 | u32 reserved1; |
| 155 | }; |
| 156 | |
| 157 | /* helpers for creating ADB headers for config descriptors MMRs as client */ |
| 158 | #define ADB_ADDR(dma_buf, str, fld) ((dma_buf)->addr + offsetof(str, fld)) |
| 159 | #define MMR_ADB_ADDR(buf, str, fld) ADB_ADDR(&(buf), struct str, fld) |
| 160 | |
| 161 | #define VPDMA_SET_MMR_ADB_HDR(buf, str, hdr, regs, offset_a) \ |
| 162 | do { \ |
| 163 | struct vpdma_adb_hdr *h; \ |
| 164 | struct str *adb = NULL; \ |
| 165 | h = MMR_ADB_ADDR(buf, str, hdr); \ |
| 166 | h->offset = (offset_a); \ |
| 167 | h->nwords = sizeof(adb->regs) >> 2; \ |
| 168 | } while (0) |
| 169 | |
Archit Taneja | 9262e5a | 2013-10-16 02:36:45 -0300 | [diff] [blame] | 170 | /* vpdma descriptor buffer allocation and management */ |
| 171 | int vpdma_alloc_desc_buf(struct vpdma_buf *buf, size_t size); |
| 172 | void vpdma_free_desc_buf(struct vpdma_buf *buf); |
| 173 | int vpdma_map_desc_buf(struct vpdma_data *vpdma, struct vpdma_buf *buf); |
| 174 | void vpdma_unmap_desc_buf(struct vpdma_data *vpdma, struct vpdma_buf *buf); |
| 175 | |
| 176 | /* vpdma descriptor list funcs */ |
| 177 | int vpdma_create_desc_list(struct vpdma_desc_list *list, size_t size, int type); |
| 178 | void vpdma_reset_desc_list(struct vpdma_desc_list *list); |
| 179 | void vpdma_free_desc_list(struct vpdma_desc_list *list); |
| 180 | int vpdma_submit_descs(struct vpdma_data *vpdma, struct vpdma_desc_list *list); |
| 181 | |
Archit Taneja | 213b8ee | 2013-10-16 02:36:46 -0300 | [diff] [blame] | 182 | /* helpers for creating vpdma descriptors */ |
| 183 | void vpdma_add_cfd_block(struct vpdma_desc_list *list, int client, |
| 184 | struct vpdma_buf *blk, u32 dest_offset); |
| 185 | void vpdma_add_cfd_adb(struct vpdma_desc_list *list, int client, |
| 186 | struct vpdma_buf *adb); |
| 187 | void vpdma_add_sync_on_channel_ctd(struct vpdma_desc_list *list, |
| 188 | enum vpdma_channel chan); |
Archit Taneja | 928bf2b | 2014-03-13 08:44:08 -0300 | [diff] [blame] | 189 | void vpdma_add_out_dtd(struct vpdma_desc_list *list, int width, |
| 190 | const struct v4l2_rect *c_rect, |
Archit Taneja | 213b8ee | 2013-10-16 02:36:46 -0300 | [diff] [blame] | 191 | const struct vpdma_data_format *fmt, dma_addr_t dma_addr, |
| 192 | enum vpdma_channel chan, u32 flags); |
Archit Taneja | 928bf2b | 2014-03-13 08:44:08 -0300 | [diff] [blame] | 193 | void vpdma_add_in_dtd(struct vpdma_desc_list *list, int width, |
| 194 | const struct v4l2_rect *c_rect, |
Archit Taneja | 213b8ee | 2013-10-16 02:36:46 -0300 | [diff] [blame] | 195 | const struct vpdma_data_format *fmt, dma_addr_t dma_addr, |
Archit Taneja | 928bf2b | 2014-03-13 08:44:08 -0300 | [diff] [blame] | 196 | enum vpdma_channel chan, int field, u32 flags, int frame_width, |
| 197 | int frame_height, int start_h, int start_v); |
Archit Taneja | 213b8ee | 2013-10-16 02:36:46 -0300 | [diff] [blame] | 198 | |
Archit Taneja | 9262e5a | 2013-10-16 02:36:45 -0300 | [diff] [blame] | 199 | /* vpdma list interrupt management */ |
| 200 | void vpdma_enable_list_complete_irq(struct vpdma_data *vpdma, int list_num, |
| 201 | bool enable); |
| 202 | void vpdma_clear_list_stat(struct vpdma_data *vpdma); |
| 203 | |
| 204 | /* vpdma client configuration */ |
| 205 | void vpdma_set_line_mode(struct vpdma_data *vpdma, int line_mode, |
| 206 | enum vpdma_channel chan); |
| 207 | void vpdma_set_frame_start_event(struct vpdma_data *vpdma, |
| 208 | enum vpdma_frame_start_event fs_event, enum vpdma_channel chan); |
| 209 | |
| 210 | void vpdma_dump_regs(struct vpdma_data *vpdma); |
| 211 | |
| 212 | /* initialize vpdma, passed with VPE's platform device pointer */ |
Archit Taneja | b2c9472 | 2014-03-13 08:44:04 -0300 | [diff] [blame] | 213 | struct vpdma_data *vpdma_create(struct platform_device *pdev, |
| 214 | void (*cb)(struct platform_device *pdev)); |
Archit Taneja | 9262e5a | 2013-10-16 02:36:45 -0300 | [diff] [blame] | 215 | |
| 216 | #endif |