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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 8
14/*
15 * A vpdma_buf tracks the size, DMA address and mapping status of each
16 * 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 dest
58 * buffers should be 16 byte aligned
59 */
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 0
65#define VPDMA_LIST_TYPE_SELF_MODIFYING 1
66#define VPDMA_LIST_TYPE_DOORBELL 2
67
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 numbers
157 */
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 70
173#define VIP_CHAN_MULT_PORTB_OFFSET 16
174#define VIP_CHAN_YUV_PORTB_OFFSET 2
175#define VIP_CHAN_RGB_PORTB_OFFSET 1
176
177#define VPDMA_MAX_CHANNELS 256
178
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 descriptors
187 */
188#define CFD_MMR_CLIENT 0
189#define CFD_SC_CLIENT 4
190
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#endif