1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
|
/*
* Copyright 2005-2009 Freescale Semiconductor, Inc.
*
* The code contained herein is licensed under the GNU Lesser General
* Public License. You may obtain a copy of the GNU Lesser General
* Public License Version 2.1 or later at the following locations:
*
* http://www.opensource.org/licenses/lgpl-license.html
* http://www.gnu.org/copyleft/lgpl.html
*/
#ifndef __DRM_IPU_H__
#define __DRM_IPU_H__
#include <linux/types.h>
#include <linux/videodev2.h>
#include <linux/bitmap.h>
#include <linux/fb.h>
#include <media/v4l2-mediabus.h>
struct ipu_soc;
enum ipuv3_type {
IPUV3EX,
IPUV3M,
IPUV3H,
};
#define IPU_PIX_FMT_GBR24 v4l2_fourcc('G', 'B', 'R', '3')
/*
* Bitfield of Display Interface signal polarities.
*/
struct ipu_di_signal_cfg {
unsigned datamask_en:1;
unsigned interlaced:1;
unsigned odd_field_first:1;
unsigned clksel_en:1;
unsigned clkidle_en:1;
unsigned data_pol:1; /* true = inverted */
unsigned clk_pol:1; /* true = rising edge */
unsigned enable_pol:1;
unsigned Hsync_pol:1; /* true = active high */
unsigned Vsync_pol:1;
u16 width;
u16 height;
u32 pixel_fmt;
u16 h_start_width;
u16 h_sync_width;
u16 h_end_width;
u16 v_start_width;
u16 v_sync_width;
u16 v_end_width;
u32 v_to_h_sync;
unsigned long pixelclock;
#define IPU_DI_CLKMODE_SYNC (1 << 0)
#define IPU_DI_CLKMODE_EXT (1 << 1)
unsigned long clkflags;
u8 hsync_pin;
u8 vsync_pin;
};
/*
* Enumeration of CSI destinations
*/
enum ipu_csi_dest {
IPU_CSI_DEST_IDMAC, /* to memory via SMFC */
IPU_CSI_DEST_IC, /* to Image Converter */
IPU_CSI_DEST_VDIC, /* to VDIC */
};
/*
* Enumeration of IPU rotation modes
*/
enum ipu_rotate_mode {
IPU_ROTATE_NONE = 0,
IPU_ROTATE_VERT_FLIP,
IPU_ROTATE_HORIZ_FLIP,
IPU_ROTATE_180,
IPU_ROTATE_90_RIGHT,
IPU_ROTATE_90_RIGHT_VFLIP,
IPU_ROTATE_90_RIGHT_HFLIP,
IPU_ROTATE_90_LEFT,
};
enum ipu_color_space {
IPUV3_COLORSPACE_RGB,
IPUV3_COLORSPACE_YUV,
IPUV3_COLORSPACE_UNKNOWN,
};
struct ipuv3_channel;
enum ipu_channel_irq {
IPU_IRQ_EOF = 0,
IPU_IRQ_NFACK = 64,
IPU_IRQ_NFB4EOF = 128,
IPU_IRQ_EOS = 192,
};
int ipu_map_irq(struct ipu_soc *ipu, int irq);
int ipu_idmac_channel_irq(struct ipu_soc *ipu, struct ipuv3_channel *channel,
enum ipu_channel_irq irq);
#define IPU_IRQ_DP_SF_START (448 + 2)
#define IPU_IRQ_DP_SF_END (448 + 3)
#define IPU_IRQ_BG_SF_END IPU_IRQ_DP_SF_END,
#define IPU_IRQ_DC_FC_0 (448 + 8)
#define IPU_IRQ_DC_FC_1 (448 + 9)
#define IPU_IRQ_DC_FC_2 (448 + 10)
#define IPU_IRQ_DC_FC_3 (448 + 11)
#define IPU_IRQ_DC_FC_4 (448 + 12)
#define IPU_IRQ_DC_FC_6 (448 + 13)
#define IPU_IRQ_VSYNC_PRE_0 (448 + 14)
#define IPU_IRQ_VSYNC_PRE_1 (448 + 15)
/*
* IPU Common functions
*/
void ipu_set_csi_src_mux(struct ipu_soc *ipu, int csi_id, bool mipi_csi2);
void ipu_set_ic_src_mux(struct ipu_soc *ipu, int csi_id, bool vdi);
/*
* IPU Image DMA Controller (idmac) functions
*/
struct ipuv3_channel *ipu_idmac_get(struct ipu_soc *ipu, unsigned channel);
void ipu_idmac_put(struct ipuv3_channel *);
int ipu_idmac_enable_channel(struct ipuv3_channel *channel);
int ipu_idmac_disable_channel(struct ipuv3_channel *channel);
int ipu_idmac_wait_busy(struct ipuv3_channel *channel, int ms);
void ipu_idmac_set_double_buffer(struct ipuv3_channel *channel,
bool doublebuffer);
int ipu_idmac_get_current_buffer(struct ipuv3_channel *channel);
void ipu_idmac_select_buffer(struct ipuv3_channel *channel, u32 buf_num);
/*
* IPU Channel Parameter Memory (cpmem) functions
*/
struct ipu_rgb {
struct fb_bitfield red;
struct fb_bitfield green;
struct fb_bitfield blue;
struct fb_bitfield transp;
int bits_per_pixel;
};
struct ipu_image {
struct v4l2_pix_format pix;
struct v4l2_rect rect;
dma_addr_t phys;
};
void ipu_cpmem_zero(struct ipuv3_channel *ch);
void ipu_cpmem_set_resolution(struct ipuv3_channel *ch, int xres, int yres);
void ipu_cpmem_set_stride(struct ipuv3_channel *ch, int stride);
void ipu_cpmem_set_high_priority(struct ipuv3_channel *ch);
void ipu_cpmem_set_buffer(struct ipuv3_channel *ch, int bufnum, dma_addr_t buf);
void ipu_cpmem_interlaced_scan(struct ipuv3_channel *ch, int stride);
void ipu_cpmem_set_burstsize(struct ipuv3_channel *ch, int burstsize);
int ipu_cpmem_set_format_rgb(struct ipuv3_channel *ch,
const struct ipu_rgb *rgb);
int ipu_cpmem_set_format_passthrough(struct ipuv3_channel *ch, int width);
void ipu_cpmem_set_yuv_interleaved(struct ipuv3_channel *ch, u32 pixel_format);
void ipu_cpmem_set_yuv_planar_full(struct ipuv3_channel *ch,
u32 pixel_format, int stride,
int u_offset, int v_offset);
void ipu_cpmem_set_yuv_planar(struct ipuv3_channel *ch,
u32 pixel_format, int stride, int height);
int ipu_cpmem_set_fmt(struct ipuv3_channel *ch, u32 drm_fourcc);
int ipu_cpmem_set_image(struct ipuv3_channel *ch, struct ipu_image *image);
/*
* IPU Display Controller (dc) functions
*/
struct ipu_dc;
struct ipu_di;
struct ipu_dc *ipu_dc_get(struct ipu_soc *ipu, int channel);
void ipu_dc_put(struct ipu_dc *dc);
int ipu_dc_init_sync(struct ipu_dc *dc, struct ipu_di *di, bool interlaced,
u32 pixel_fmt, u32 width);
void ipu_dc_enable(struct ipu_soc *ipu);
void ipu_dc_enable_channel(struct ipu_dc *dc);
void ipu_dc_disable_channel(struct ipu_dc *dc);
void ipu_dc_disable(struct ipu_soc *ipu);
/*
* IPU Display Interface (di) functions
*/
struct ipu_di *ipu_di_get(struct ipu_soc *ipu, int disp);
void ipu_di_put(struct ipu_di *);
int ipu_di_disable(struct ipu_di *);
int ipu_di_enable(struct ipu_di *);
int ipu_di_get_num(struct ipu_di *);
int ipu_di_init_sync_panel(struct ipu_di *, struct ipu_di_signal_cfg *sig);
/*
* IPU Display Multi FIFO Controller (dmfc) functions
*/
struct dmfc_channel;
int ipu_dmfc_enable_channel(struct dmfc_channel *dmfc);
void ipu_dmfc_disable_channel(struct dmfc_channel *dmfc);
int ipu_dmfc_alloc_bandwidth(struct dmfc_channel *dmfc,
unsigned long bandwidth_mbs, int burstsize);
void ipu_dmfc_free_bandwidth(struct dmfc_channel *dmfc);
int ipu_dmfc_init_channel(struct dmfc_channel *dmfc, int width);
struct dmfc_channel *ipu_dmfc_get(struct ipu_soc *ipu, int ipuv3_channel);
void ipu_dmfc_put(struct dmfc_channel *dmfc);
/*
* IPU Display Processor (dp) functions
*/
#define IPU_DP_FLOW_SYNC_BG 0
#define IPU_DP_FLOW_SYNC_FG 1
#define IPU_DP_FLOW_ASYNC0_BG 2
#define IPU_DP_FLOW_ASYNC0_FG 3
#define IPU_DP_FLOW_ASYNC1_BG 4
#define IPU_DP_FLOW_ASYNC1_FG 5
struct ipu_dp *ipu_dp_get(struct ipu_soc *ipu, unsigned int flow);
void ipu_dp_put(struct ipu_dp *);
int ipu_dp_enable(struct ipu_soc *ipu);
int ipu_dp_enable_channel(struct ipu_dp *dp);
void ipu_dp_disable_channel(struct ipu_dp *dp);
void ipu_dp_disable(struct ipu_soc *ipu);
int ipu_dp_setup_channel(struct ipu_dp *dp,
enum ipu_color_space in, enum ipu_color_space out);
int ipu_dp_set_window_pos(struct ipu_dp *, u16 x_pos, u16 y_pos);
int ipu_dp_set_global_alpha(struct ipu_dp *dp, bool enable, u8 alpha,
bool bg_chan);
/*
* IPU CMOS Sensor Interface (csi) functions
*/
struct ipu_csi;
int ipu_csi_init_interface(struct ipu_csi *csi,
struct v4l2_mbus_config *mbus_cfg,
struct v4l2_mbus_framefmt *mbus_fmt);
bool ipu_csi_is_interlaced(struct ipu_csi *csi);
void ipu_csi_get_window(struct ipu_csi *csi, struct v4l2_rect *w);
void ipu_csi_set_window(struct ipu_csi *csi, struct v4l2_rect *w);
void ipu_csi_set_test_generator(struct ipu_csi *csi, bool active,
u32 r_value, u32 g_value, u32 b_value,
u32 pix_clk);
int ipu_csi_set_mipi_datatype(struct ipu_csi *csi, u32 vc,
struct v4l2_mbus_framefmt *mbus_fmt);
int ipu_csi_set_skip_smfc(struct ipu_csi *csi, u32 skip,
u32 max_ratio, u32 id);
int ipu_csi_set_dest(struct ipu_csi *csi, enum ipu_csi_dest csi_dest);
int ipu_csi_enable(struct ipu_csi *csi);
int ipu_csi_disable(struct ipu_csi *csi);
struct ipu_csi *ipu_csi_get(struct ipu_soc *ipu, int id);
void ipu_csi_put(struct ipu_csi *csi);
void ipu_csi_dump(struct ipu_csi *csi);
/*
* IPU Image Converter (ic) functions
*/
enum ipu_ic_task {
IC_TASK_ENCODER,
IC_TASK_VIEWFINDER,
IC_TASK_POST_PROCESSOR,
IC_NUM_TASKS,
};
struct ipu_ic;
int ipu_ic_task_init(struct ipu_ic *ic,
int in_width, int in_height,
int out_width, int out_height,
enum ipu_color_space in_cs,
enum ipu_color_space out_cs);
int ipu_ic_task_graphics_init(struct ipu_ic *ic,
enum ipu_color_space in_g_cs,
bool galpha_en, u32 galpha,
bool colorkey_en, u32 colorkey);
void ipu_ic_task_enable(struct ipu_ic *ic);
void ipu_ic_task_disable(struct ipu_ic *ic);
int ipu_ic_task_idma_init(struct ipu_ic *ic, struct ipuv3_channel *channel,
u32 width, u32 height, int burst_size,
enum ipu_rotate_mode rot);
int ipu_ic_enable(struct ipu_ic *ic);
int ipu_ic_disable(struct ipu_ic *ic);
struct ipu_ic *ipu_ic_get(struct ipu_soc *ipu, enum ipu_ic_task task);
void ipu_ic_put(struct ipu_ic *ic);
void ipu_ic_dump(struct ipu_ic *ic);
/*
* IPU Sensor Multiple FIFO Controller (SMFC) functions
*/
struct ipu_smfc *ipu_smfc_get(struct ipu_soc *ipu, unsigned int chno);
void ipu_smfc_put(struct ipu_smfc *smfc);
int ipu_smfc_enable(struct ipu_smfc *smfc);
int ipu_smfc_disable(struct ipu_smfc *smfc);
int ipu_smfc_map_channel(struct ipu_smfc *smfc, int csi_id, int mipi_id);
int ipu_smfc_set_burstsize(struct ipu_smfc *smfc, int burstsize);
int ipu_smfc_set_watermark(struct ipu_smfc *smfc, u32 set_level, u32 clr_level);
enum ipu_color_space ipu_drm_fourcc_to_colorspace(u32 drm_fourcc);
enum ipu_color_space ipu_pixelformat_to_colorspace(u32 pixelformat);
enum ipu_color_space ipu_mbus_code_to_colorspace(u32 mbus_code);
bool ipu_pixelformat_is_planar(u32 pixelformat);
int ipu_degrees_to_rot_mode(enum ipu_rotate_mode *mode, int degrees,
bool hflip, bool vflip);
int ipu_rot_mode_to_degrees(int *degrees, enum ipu_rotate_mode mode,
bool hflip, bool vflip);
struct ipu_client_platformdata {
int csi;
int di;
int dc;
int dp;
int dmfc;
int dma[2];
};
#endif /* __DRM_IPU_H__ */
|
