2 * Copyright (c) 2013 Texas Instruments Inc.
4 * David Griego, <dagriego@biglakesoftware.com>
5 * Dale Farnsworth, <dale@farnsworth.org>
6 * Archit Taneja, <archit@ti.com>
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.
16 #define VPDMA_MAX_NUM_LIST 8
18 * A vpdma_buf tracks the size, DMA address and mapping status of each
28 struct vpdma_desc_list {
37 struct platform_device *pdev;
40 bool hwlist_used[VPDMA_MAX_NUM_LIST];
41 void *hwlist_priv[VPDMA_MAX_NUM_LIST];
42 /* callback to VPE driver when the firmware is loaded */
43 void (*cb)(struct platform_device *pdev);
46 enum vpdma_data_format_type {
47 VPDMA_DATA_FMT_TYPE_YUV,
48 VPDMA_DATA_FMT_TYPE_RGB,
49 VPDMA_DATA_FMT_TYPE_MISC,
52 struct vpdma_data_format {
53 enum vpdma_data_format_type type;
58 #define VPDMA_DESC_ALIGN 16 /* 16-byte descriptor alignment */
59 #define VPDMA_STRIDE_ALIGN 16 /*
60 * line stride of source and dest
61 * buffers should be 16 byte aligned
63 #define VPDMA_MAX_STRIDE 65520 /* Max line stride 16 byte aligned */
64 #define VPDMA_DTD_DESC_SIZE 32 /* 8 words */
65 #define VPDMA_CFD_CTD_DESC_SIZE 16 /* 4 words */
67 #define VPDMA_LIST_TYPE_NORMAL 0
68 #define VPDMA_LIST_TYPE_SELF_MODIFYING 1
69 #define VPDMA_LIST_TYPE_DOORBELL 2
71 enum vpdma_yuv_formats {
72 VPDMA_DATA_FMT_Y444 = 0,
78 VPDMA_DATA_FMT_YCR422,
80 VPDMA_DATA_FMT_CRY422,
81 VPDMA_DATA_FMT_CBY422,
82 VPDMA_DATA_FMT_YCB422,
85 enum vpdma_rgb_formats {
86 VPDMA_DATA_FMT_RGB565 = 0,
87 VPDMA_DATA_FMT_ARGB16_1555,
88 VPDMA_DATA_FMT_ARGB16,
89 VPDMA_DATA_FMT_RGBA16_5551,
90 VPDMA_DATA_FMT_RGBA16,
91 VPDMA_DATA_FMT_ARGB24,
93 VPDMA_DATA_FMT_ARGB32,
94 VPDMA_DATA_FMT_RGBA24,
95 VPDMA_DATA_FMT_RGBA32,
96 VPDMA_DATA_FMT_BGR565,
97 VPDMA_DATA_FMT_ABGR16_1555,
98 VPDMA_DATA_FMT_ABGR16,
99 VPDMA_DATA_FMT_BGRA16_5551,
100 VPDMA_DATA_FMT_BGRA16,
101 VPDMA_DATA_FMT_ABGR24,
102 VPDMA_DATA_FMT_BGR24,
103 VPDMA_DATA_FMT_ABGR32,
104 VPDMA_DATA_FMT_BGRA24,
105 VPDMA_DATA_FMT_BGRA32,
108 enum vpdma_raw_formats {
109 VPDMA_DATA_FMT_RAW8 = 0,
110 VPDMA_DATA_FMT_RAW16,
113 enum vpdma_misc_formats {
114 VPDMA_DATA_FMT_MV = 0,
117 extern const struct vpdma_data_format vpdma_yuv_fmts[];
118 extern const struct vpdma_data_format vpdma_rgb_fmts[];
119 extern const struct vpdma_data_format vpdma_raw_fmts[];
120 extern const struct vpdma_data_format vpdma_misc_fmts[];
122 enum vpdma_frame_start_event {
123 VPDMA_FSEVENT_HDMI_FID = 0,
124 VPDMA_FSEVENT_DVO2_FID,
125 VPDMA_FSEVENT_HDCOMP_FID,
126 VPDMA_FSEVENT_SD_FID,
127 VPDMA_FSEVENT_LM_FID0,
128 VPDMA_FSEVENT_LM_FID1,
129 VPDMA_FSEVENT_LM_FID2,
130 VPDMA_FSEVENT_CHANNEL_ACTIVE,
133 /* max width configurations */
134 enum vpdma_max_width {
135 MAX_OUT_WIDTH_UNLIMITED = 0,
145 /* max height configurations */
146 enum vpdma_max_height {
147 MAX_OUT_HEIGHT_UNLIMITED = 0,
158 * VPDMA channel numbers
174 #define VIP_CHAN_VIP2_OFFSET 70
175 #define VIP_CHAN_MULT_PORTB_OFFSET 16
176 #define VIP_CHAN_YUV_PORTB_OFFSET 2
177 #define VIP_CHAN_RGB_PORTB_OFFSET 1
179 #define VPDMA_MAX_CHANNELS 256
181 /* flags for VPDMA data descriptors */
182 #define VPDMA_DATA_ODD_LINE_SKIP (1 << 0)
183 #define VPDMA_DATA_EVEN_LINE_SKIP (1 << 1)
184 #define VPDMA_DATA_FRAME_1D (1 << 2)
185 #define VPDMA_DATA_MODE_TILED (1 << 3)
188 * client identifiers used for configuration descriptors
190 #define CFD_MMR_CLIENT 0
191 #define CFD_SC_CLIENT 4
193 /* Address data block header format */
194 struct vpdma_adb_hdr {
201 /* helpers for creating ADB headers for config descriptors MMRs as client */
202 #define ADB_ADDR(dma_buf, str, fld) ((dma_buf)->addr + offsetof(str, fld))
203 #define MMR_ADB_ADDR(buf, str, fld) ADB_ADDR(&(buf), struct str, fld)
205 #define VPDMA_SET_MMR_ADB_HDR(buf, str, hdr, regs, offset_a) \
207 struct vpdma_adb_hdr *h; \
208 struct str *adb = NULL; \
209 h = MMR_ADB_ADDR(buf, str, hdr); \
210 h->offset = (offset_a); \
211 h->nwords = sizeof(adb->regs) >> 2; \
214 /* vpdma descriptor buffer allocation and management */
215 int vpdma_alloc_desc_buf(struct vpdma_buf *buf, size_t size);
216 void vpdma_free_desc_buf(struct vpdma_buf *buf);
217 int vpdma_map_desc_buf(struct vpdma_data *vpdma, struct vpdma_buf *buf);
218 void vpdma_unmap_desc_buf(struct vpdma_data *vpdma, struct vpdma_buf *buf);
220 /* vpdma descriptor list funcs */
221 int vpdma_create_desc_list(struct vpdma_desc_list *list, size_t size, int type);
222 void vpdma_reset_desc_list(struct vpdma_desc_list *list);
223 void vpdma_free_desc_list(struct vpdma_desc_list *list);
224 int vpdma_submit_descs(struct vpdma_data *vpdma, struct vpdma_desc_list *list,
226 bool vpdma_list_busy(struct vpdma_data *vpdma, int list_num);
227 void vpdma_update_dma_addr(struct vpdma_data *vpdma,
228 struct vpdma_desc_list *list, dma_addr_t dma_addr,
229 void *write_dtd, int drop, int idx);
231 /* VPDMA hardware list funcs */
232 int vpdma_hwlist_alloc(struct vpdma_data *vpdma, void *priv);
233 void *vpdma_hwlist_get_priv(struct vpdma_data *vpdma, int list_num);
234 void *vpdma_hwlist_release(struct vpdma_data *vpdma, int list_num);
236 /* helpers for creating vpdma descriptors */
237 void vpdma_add_cfd_block(struct vpdma_desc_list *list, int client,
238 struct vpdma_buf *blk, u32 dest_offset);
239 void vpdma_add_cfd_adb(struct vpdma_desc_list *list, int client,
240 struct vpdma_buf *adb);
241 void vpdma_add_sync_on_channel_ctd(struct vpdma_desc_list *list,
242 enum vpdma_channel chan);
243 void vpdma_add_abort_channel_ctd(struct vpdma_desc_list *list,
245 void vpdma_add_out_dtd(struct vpdma_desc_list *list, int width,
246 int stride, const struct v4l2_rect *c_rect,
247 const struct vpdma_data_format *fmt, dma_addr_t dma_addr,
248 int max_w, int max_h, enum vpdma_channel chan, u32 flags);
249 void vpdma_rawchan_add_out_dtd(struct vpdma_desc_list *list, int width,
250 int stride, const struct v4l2_rect *c_rect,
251 const struct vpdma_data_format *fmt, dma_addr_t dma_addr,
252 int max_w, int max_h, int raw_vpdma_chan, u32 flags);
254 void vpdma_add_in_dtd(struct vpdma_desc_list *list, int width,
255 int stride, const struct v4l2_rect *c_rect,
256 const struct vpdma_data_format *fmt, dma_addr_t dma_addr,
257 enum vpdma_channel chan, int field, u32 flags, int frame_width,
258 int frame_height, int start_h, int start_v);
259 int vpdma_list_cleanup(struct vpdma_data *vpdma, int list_num,
260 int *channels, int size);
262 /* vpdma list interrupt management */
263 void vpdma_enable_list_complete_irq(struct vpdma_data *vpdma, int irq_num,
264 int list_num, bool enable);
265 void vpdma_clear_list_stat(struct vpdma_data *vpdma, int irq_num,
267 unsigned int vpdma_get_list_stat(struct vpdma_data *vpdma, int irq_num);
268 unsigned int vpdma_get_list_mask(struct vpdma_data *vpdma, int irq_num);
270 /* vpdma client configuration */
271 void vpdma_set_line_mode(struct vpdma_data *vpdma, int line_mode,
272 enum vpdma_channel chan);
273 void vpdma_set_frame_start_event(struct vpdma_data *vpdma,
274 enum vpdma_frame_start_event fs_event, enum vpdma_channel chan);
275 void vpdma_set_max_size(struct vpdma_data *vpdma, int reg_addr,
276 u32 width, u32 height);
278 void vpdma_set_bg_color(struct vpdma_data *vpdma,
279 struct vpdma_data_format *fmt, u32 color);
280 void vpdma_dump_regs(struct vpdma_data *vpdma);
282 /* initialize vpdma, passed with VPE's platform device pointer */
283 int vpdma_create(struct platform_device *pdev, struct vpdma_data *vpdma,
284 void (*cb)(struct platform_device *pdev));