gpu: ipu-v3: smfc: Add ipu_smfc_set_watermark()
[deliverable/linux.git] / include / video / imx-ipu-v3.h
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1/*
2 * Copyright 2005-2009 Freescale Semiconductor, Inc.
3 *
4 * The code contained herein is licensed under the GNU Lesser General
5 * Public License. You may obtain a copy of the GNU Lesser General
6 * Public License Version 2.1 or later at the following locations:
7 *
8 * http://www.opensource.org/licenses/lgpl-license.html
9 * http://www.gnu.org/copyleft/lgpl.html
10 */
11
12#ifndef __DRM_IPU_H__
13#define __DRM_IPU_H__
14
15#include <linux/types.h>
16#include <linux/videodev2.h>
17#include <linux/bitmap.h>
18#include <linux/fb.h>
2ffd48f2 19#include <media/v4l2-mediabus.h>
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20
21struct ipu_soc;
22
23enum ipuv3_type {
24 IPUV3EX,
25 IPUV3M,
26 IPUV3H,
27};
28
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29#define IPU_PIX_FMT_GBR24 v4l2_fourcc('G', 'B', 'R', '3')
30
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31/*
32 * Bitfield of Display Interface signal polarities.
33 */
34struct ipu_di_signal_cfg {
35 unsigned datamask_en:1;
36 unsigned interlaced:1;
37 unsigned odd_field_first:1;
38 unsigned clksel_en:1;
39 unsigned clkidle_en:1;
40 unsigned data_pol:1; /* true = inverted */
41 unsigned clk_pol:1; /* true = rising edge */
42 unsigned enable_pol:1;
43 unsigned Hsync_pol:1; /* true = active high */
44 unsigned Vsync_pol:1;
45
46 u16 width;
47 u16 height;
48 u32 pixel_fmt;
49 u16 h_start_width;
50 u16 h_sync_width;
51 u16 h_end_width;
52 u16 v_start_width;
53 u16 v_sync_width;
54 u16 v_end_width;
55 u32 v_to_h_sync;
56 unsigned long pixelclock;
57#define IPU_DI_CLKMODE_SYNC (1 << 0)
58#define IPU_DI_CLKMODE_EXT (1 << 1)
59 unsigned long clkflags;
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60
61 u8 hsync_pin;
62 u8 vsync_pin;
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63};
64
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65/*
66 * Enumeration of CSI destinations
67 */
68enum ipu_csi_dest {
69 IPU_CSI_DEST_IDMAC, /* to memory via SMFC */
70 IPU_CSI_DEST_IC, /* to Image Converter */
71 IPU_CSI_DEST_VDIC, /* to VDIC */
72};
73
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74/*
75 * Enumeration of IPU rotation modes
76 */
77enum ipu_rotate_mode {
78 IPU_ROTATE_NONE = 0,
79 IPU_ROTATE_VERT_FLIP,
80 IPU_ROTATE_HORIZ_FLIP,
81 IPU_ROTATE_180,
82 IPU_ROTATE_90_RIGHT,
83 IPU_ROTATE_90_RIGHT_VFLIP,
84 IPU_ROTATE_90_RIGHT_HFLIP,
85 IPU_ROTATE_90_LEFT,
86};
87
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88enum ipu_color_space {
89 IPUV3_COLORSPACE_RGB,
90 IPUV3_COLORSPACE_YUV,
91 IPUV3_COLORSPACE_UNKNOWN,
92};
93
94struct ipuv3_channel;
95
96enum ipu_channel_irq {
97 IPU_IRQ_EOF = 0,
98 IPU_IRQ_NFACK = 64,
99 IPU_IRQ_NFB4EOF = 128,
100 IPU_IRQ_EOS = 192,
101};
102
861a50c1 103int ipu_map_irq(struct ipu_soc *ipu, int irq);
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104int ipu_idmac_channel_irq(struct ipu_soc *ipu, struct ipuv3_channel *channel,
105 enum ipu_channel_irq irq);
106
107#define IPU_IRQ_DP_SF_START (448 + 2)
108#define IPU_IRQ_DP_SF_END (448 + 3)
109#define IPU_IRQ_BG_SF_END IPU_IRQ_DP_SF_END,
110#define IPU_IRQ_DC_FC_0 (448 + 8)
111#define IPU_IRQ_DC_FC_1 (448 + 9)
112#define IPU_IRQ_DC_FC_2 (448 + 10)
113#define IPU_IRQ_DC_FC_3 (448 + 11)
114#define IPU_IRQ_DC_FC_4 (448 + 12)
115#define IPU_IRQ_DC_FC_6 (448 + 13)
116#define IPU_IRQ_VSYNC_PRE_0 (448 + 14)
117#define IPU_IRQ_VSYNC_PRE_1 (448 + 15)
118
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119/*
120 * IPU Common functions
121 */
122void ipu_set_csi_src_mux(struct ipu_soc *ipu, int csi_id, bool mipi_csi2);
123void ipu_set_ic_src_mux(struct ipu_soc *ipu, int csi_id, bool vdi);
124
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125/*
126 * IPU Image DMA Controller (idmac) functions
127 */
128struct ipuv3_channel *ipu_idmac_get(struct ipu_soc *ipu, unsigned channel);
129void ipu_idmac_put(struct ipuv3_channel *);
130
131int ipu_idmac_enable_channel(struct ipuv3_channel *channel);
132int ipu_idmac_disable_channel(struct ipuv3_channel *channel);
fb822a39 133int ipu_idmac_wait_busy(struct ipuv3_channel *channel, int ms);
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134
135void ipu_idmac_set_double_buffer(struct ipuv3_channel *channel,
136 bool doublebuffer);
e9046097 137int ipu_idmac_get_current_buffer(struct ipuv3_channel *channel);
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138void ipu_idmac_select_buffer(struct ipuv3_channel *channel, u32 buf_num);
139
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140/*
141 * IPU Channel Parameter Memory (cpmem) functions
142 */
143struct ipu_rgb {
144 struct fb_bitfield red;
145 struct fb_bitfield green;
146 struct fb_bitfield blue;
147 struct fb_bitfield transp;
148 int bits_per_pixel;
149};
150
151struct ipu_image {
152 struct v4l2_pix_format pix;
153 struct v4l2_rect rect;
154 dma_addr_t phys;
155};
156
157void ipu_cpmem_zero(struct ipuv3_channel *ch);
158void ipu_cpmem_set_resolution(struct ipuv3_channel *ch, int xres, int yres);
159void ipu_cpmem_set_stride(struct ipuv3_channel *ch, int stride);
160void ipu_cpmem_set_high_priority(struct ipuv3_channel *ch);
161void ipu_cpmem_set_buffer(struct ipuv3_channel *ch, int bufnum, dma_addr_t buf);
162void ipu_cpmem_interlaced_scan(struct ipuv3_channel *ch, int stride);
163void ipu_cpmem_set_burstsize(struct ipuv3_channel *ch, int burstsize);
164int ipu_cpmem_set_format_rgb(struct ipuv3_channel *ch,
165 const struct ipu_rgb *rgb);
166int ipu_cpmem_set_format_passthrough(struct ipuv3_channel *ch, int width);
167void ipu_cpmem_set_yuv_interleaved(struct ipuv3_channel *ch, u32 pixel_format);
168void ipu_cpmem_set_yuv_planar_full(struct ipuv3_channel *ch,
169 u32 pixel_format, int stride,
170 int u_offset, int v_offset);
171void ipu_cpmem_set_yuv_planar(struct ipuv3_channel *ch,
172 u32 pixel_format, int stride, int height);
173int ipu_cpmem_set_fmt(struct ipuv3_channel *ch, u32 drm_fourcc);
174int ipu_cpmem_set_image(struct ipuv3_channel *ch, struct ipu_image *image);
175
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176/*
177 * IPU Display Controller (dc) functions
178 */
179struct ipu_dc;
180struct ipu_di;
181struct ipu_dc *ipu_dc_get(struct ipu_soc *ipu, int channel);
182void ipu_dc_put(struct ipu_dc *dc);
183int ipu_dc_init_sync(struct ipu_dc *dc, struct ipu_di *di, bool interlaced,
184 u32 pixel_fmt, u32 width);
1e6d486b 185void ipu_dc_enable(struct ipu_soc *ipu);
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186void ipu_dc_enable_channel(struct ipu_dc *dc);
187void ipu_dc_disable_channel(struct ipu_dc *dc);
1e6d486b 188void ipu_dc_disable(struct ipu_soc *ipu);
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189
190/*
191 * IPU Display Interface (di) functions
192 */
193struct ipu_di *ipu_di_get(struct ipu_soc *ipu, int disp);
194void ipu_di_put(struct ipu_di *);
195int ipu_di_disable(struct ipu_di *);
196int ipu_di_enable(struct ipu_di *);
197int ipu_di_get_num(struct ipu_di *);
198int ipu_di_init_sync_panel(struct ipu_di *, struct ipu_di_signal_cfg *sig);
199
200/*
201 * IPU Display Multi FIFO Controller (dmfc) functions
202 */
203struct dmfc_channel;
204int ipu_dmfc_enable_channel(struct dmfc_channel *dmfc);
205void ipu_dmfc_disable_channel(struct dmfc_channel *dmfc);
206int ipu_dmfc_alloc_bandwidth(struct dmfc_channel *dmfc,
207 unsigned long bandwidth_mbs, int burstsize);
208void ipu_dmfc_free_bandwidth(struct dmfc_channel *dmfc);
209int ipu_dmfc_init_channel(struct dmfc_channel *dmfc, int width);
210struct dmfc_channel *ipu_dmfc_get(struct ipu_soc *ipu, int ipuv3_channel);
211void ipu_dmfc_put(struct dmfc_channel *dmfc);
212
213/*
214 * IPU Display Processor (dp) functions
215 */
216#define IPU_DP_FLOW_SYNC_BG 0
217#define IPU_DP_FLOW_SYNC_FG 1
218#define IPU_DP_FLOW_ASYNC0_BG 2
219#define IPU_DP_FLOW_ASYNC0_FG 3
220#define IPU_DP_FLOW_ASYNC1_BG 4
221#define IPU_DP_FLOW_ASYNC1_FG 5
222
223struct ipu_dp *ipu_dp_get(struct ipu_soc *ipu, unsigned int flow);
224void ipu_dp_put(struct ipu_dp *);
285bbb01 225int ipu_dp_enable(struct ipu_soc *ipu);
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226int ipu_dp_enable_channel(struct ipu_dp *dp);
227void ipu_dp_disable_channel(struct ipu_dp *dp);
285bbb01 228void ipu_dp_disable(struct ipu_soc *ipu);
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229int ipu_dp_setup_channel(struct ipu_dp *dp,
230 enum ipu_color_space in, enum ipu_color_space out);
231int ipu_dp_set_window_pos(struct ipu_dp *, u16 x_pos, u16 y_pos);
232int ipu_dp_set_global_alpha(struct ipu_dp *dp, bool enable, u8 alpha,
233 bool bg_chan);
234
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235/*
236 * IPU CMOS Sensor Interface (csi) functions
237 */
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238struct ipu_csi;
239int ipu_csi_init_interface(struct ipu_csi *csi,
240 struct v4l2_mbus_config *mbus_cfg,
241 struct v4l2_mbus_framefmt *mbus_fmt);
242bool ipu_csi_is_interlaced(struct ipu_csi *csi);
243void ipu_csi_get_window(struct ipu_csi *csi, struct v4l2_rect *w);
244void ipu_csi_set_window(struct ipu_csi *csi, struct v4l2_rect *w);
245void ipu_csi_set_test_generator(struct ipu_csi *csi, bool active,
246 u32 r_value, u32 g_value, u32 b_value,
247 u32 pix_clk);
248int ipu_csi_set_mipi_datatype(struct ipu_csi *csi, u32 vc,
249 struct v4l2_mbus_framefmt *mbus_fmt);
250int ipu_csi_set_skip_smfc(struct ipu_csi *csi, u32 skip,
251 u32 max_ratio, u32 id);
252int ipu_csi_set_dest(struct ipu_csi *csi, enum ipu_csi_dest csi_dest);
253int ipu_csi_enable(struct ipu_csi *csi);
254int ipu_csi_disable(struct ipu_csi *csi);
255struct ipu_csi *ipu_csi_get(struct ipu_soc *ipu, int id);
256void ipu_csi_put(struct ipu_csi *csi);
257void ipu_csi_dump(struct ipu_csi *csi);
3f5a8a94 258
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259/*
260 * IPU Image Converter (ic) functions
261 */
262enum ipu_ic_task {
263 IC_TASK_ENCODER,
264 IC_TASK_VIEWFINDER,
265 IC_TASK_POST_PROCESSOR,
266 IC_NUM_TASKS,
267};
268
269struct ipu_ic;
270int ipu_ic_task_init(struct ipu_ic *ic,
271 int in_width, int in_height,
272 int out_width, int out_height,
273 enum ipu_color_space in_cs,
274 enum ipu_color_space out_cs);
275int ipu_ic_task_graphics_init(struct ipu_ic *ic,
276 enum ipu_color_space in_g_cs,
277 bool galpha_en, u32 galpha,
278 bool colorkey_en, u32 colorkey);
279void ipu_ic_task_enable(struct ipu_ic *ic);
280void ipu_ic_task_disable(struct ipu_ic *ic);
281int ipu_ic_task_idma_init(struct ipu_ic *ic, struct ipuv3_channel *channel,
282 u32 width, u32 height, int burst_size,
283 enum ipu_rotate_mode rot);
284int ipu_ic_enable(struct ipu_ic *ic);
285int ipu_ic_disable(struct ipu_ic *ic);
286struct ipu_ic *ipu_ic_get(struct ipu_soc *ipu, enum ipu_ic_task task);
287void ipu_ic_put(struct ipu_ic *ic);
288void ipu_ic_dump(struct ipu_ic *ic);
289
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290/*
291 * IPU Sensor Multiple FIFO Controller (SMFC) functions
292 */
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293struct ipu_smfc *ipu_smfc_get(struct ipu_soc *ipu, unsigned int chno);
294void ipu_smfc_put(struct ipu_smfc *smfc);
295int ipu_smfc_enable(struct ipu_smfc *smfc);
296int ipu_smfc_disable(struct ipu_smfc *smfc);
297int ipu_smfc_map_channel(struct ipu_smfc *smfc, int csi_id, int mipi_id);
298int ipu_smfc_set_burstsize(struct ipu_smfc *smfc, int burstsize);
a2be35e3 299int ipu_smfc_set_watermark(struct ipu_smfc *smfc, u32 set_level, u32 clr_level);
35de925f 300
7cb17797 301enum ipu_color_space ipu_drm_fourcc_to_colorspace(u32 drm_fourcc);
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302enum ipu_color_space ipu_pixelformat_to_colorspace(u32 pixelformat);
303
aecfbdb1 304struct ipu_client_platformdata {
d6ca8ca7 305 int csi;
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306 int di;
307 int dc;
308 int dp;
309 int dmfc;
310 int dma[2];
311};
312
313#endif /* __DRM_IPU_H__ */
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