Commit | Line | Data |
---|---|---|
5c7ab634 VH |
1 | /* |
2 | * omap_voutdef.h | |
3 | * | |
4 | * Copyright (C) 2010 Texas Instruments. | |
5 | * | |
6 | * This file is licensed under the terms of the GNU General Public License | |
7 | * version 2. This program is licensed "as is" without any warranty of any | |
8 | * kind, whether express or implied. | |
9 | */ | |
10 | ||
11 | #ifndef OMAP_VOUTDEF_H | |
12 | #define OMAP_VOUTDEF_H | |
13 | ||
a0b38cc4 | 14 | #include <video/omapdss.h> |
445e258f | 15 | #include <plat/vrfb.h> |
5c7ab634 VH |
16 | |
17 | #define YUYV_BPP 2 | |
18 | #define RGB565_BPP 2 | |
19 | #define RGB24_BPP 3 | |
20 | #define RGB32_BPP 4 | |
21 | #define TILE_SIZE 32 | |
22 | #define YUYV_VRFB_BPP 2 | |
23 | #define RGB_VRFB_BPP 1 | |
24 | #define MAX_CID 3 | |
25 | #define MAC_VRFB_CTXS 4 | |
26 | #define MAX_VOUT_DEV 2 | |
27 | #define MAX_OVLS 3 | |
cfb128ed | 28 | #define MAX_DISPLAYS 10 |
5c7ab634 VH |
29 | #define MAX_MANAGERS 3 |
30 | ||
a137ac87 | 31 | #define QQVGA_WIDTH 160 |
32 | #define QQVGA_HEIGHT 120 | |
33 | ||
34 | /* Max Resolution supported by the driver */ | |
35 | #define VID_MAX_WIDTH 1280 /* Largest width */ | |
36 | #define VID_MAX_HEIGHT 720 /* Largest height */ | |
37 | ||
38 | /* Mimimum requirement is 2x2 for DSS */ | |
39 | #define VID_MIN_WIDTH 2 | |
40 | #define VID_MIN_HEIGHT 2 | |
41 | ||
42 | /* 2048 x 2048 is max res supported by OMAP display controller */ | |
43 | #define MAX_PIXELS_PER_LINE 2048 | |
44 | ||
45 | #define VRFB_TX_TIMEOUT 1000 | |
46 | #define VRFB_NUM_BUFS 4 | |
47 | ||
48 | /* Max buffer size tobe allocated during init */ | |
49 | #define OMAP_VOUT_MAX_BUF_SIZE (VID_MAX_WIDTH*VID_MAX_HEIGHT*4) | |
50 | ||
51 | enum dma_channel_state { | |
52 | DMA_CHAN_NOT_ALLOTED, | |
53 | DMA_CHAN_ALLOTED, | |
54 | }; | |
55 | ||
5c7ab634 VH |
56 | /* Enum for Rotation |
57 | * DSS understands rotation in 0, 1, 2, 3 context | |
58 | * while V4L2 driver understands it as 0, 90, 180, 270 | |
59 | */ | |
60 | enum dss_rotation { | |
61 | dss_rotation_0_degree = 0, | |
62 | dss_rotation_90_degree = 1, | |
63 | dss_rotation_180_degree = 2, | |
64 | dss_rotation_270_degree = 3, | |
65 | }; | |
445e258f | 66 | |
67 | /* Enum for choosing rotation type for vout | |
68 | * DSS2 doesn't understand no rotation as an | |
69 | * option while V4L2 driver doesn't support | |
70 | * rotation in the case where VRFB is not built in | |
71 | * the kernel | |
72 | */ | |
73 | enum vout_rotaion_type { | |
74 | VOUT_ROT_NONE = 0, | |
75 | VOUT_ROT_VRFB = 1, | |
76 | }; | |
77 | ||
5c7ab634 VH |
78 | /* |
79 | * This structure is used to store the DMA transfer parameters | |
80 | * for VRFB hidden buffer | |
81 | */ | |
82 | struct vid_vrfb_dma { | |
83 | int dev_id; | |
84 | int dma_ch; | |
85 | int req_status; | |
86 | int tx_status; | |
87 | wait_queue_head_t wait; | |
88 | }; | |
89 | ||
90 | struct omapvideo_info { | |
91 | int id; | |
92 | int num_overlays; | |
93 | struct omap_overlay *overlays[MAX_OVLS]; | |
445e258f | 94 | enum vout_rotaion_type rotation_type; |
5c7ab634 VH |
95 | }; |
96 | ||
97 | struct omap2video_device { | |
98 | struct mutex mtx; | |
99 | ||
100 | int state; | |
101 | ||
102 | struct v4l2_device v4l2_dev; | |
103 | struct omap_vout_device *vouts[MAX_VOUT_DEV]; | |
104 | ||
105 | int num_displays; | |
106 | struct omap_dss_device *displays[MAX_DISPLAYS]; | |
107 | int num_overlays; | |
108 | struct omap_overlay *overlays[MAX_OVLS]; | |
109 | int num_managers; | |
110 | struct omap_overlay_manager *managers[MAX_MANAGERS]; | |
111 | }; | |
112 | ||
113 | /* per-device data structure */ | |
114 | struct omap_vout_device { | |
115 | ||
116 | struct omapvideo_info vid_info; | |
117 | struct video_device *vfd; | |
118 | struct omap2video_device *vid_dev; | |
119 | int vid; | |
120 | int opened; | |
121 | ||
122 | /* we don't allow to change image fmt/size once buffer has | |
123 | * been allocated | |
124 | */ | |
125 | int buffer_allocated; | |
126 | /* allow to reuse previously allocated buffer which is big enough */ | |
127 | int buffer_size; | |
128 | /* keep buffer info across opens */ | |
129 | unsigned long buf_virt_addr[VIDEO_MAX_FRAME]; | |
130 | unsigned long buf_phy_addr[VIDEO_MAX_FRAME]; | |
131 | enum omap_color_mode dss_mode; | |
132 | ||
133 | /* we don't allow to request new buffer when old buffers are | |
134 | * still mmaped | |
135 | */ | |
136 | int mmap_count; | |
137 | ||
138 | spinlock_t vbq_lock; /* spinlock for videobuf queues */ | |
139 | unsigned long field_count; /* field counter for videobuf_buffer */ | |
140 | ||
141 | /* non-NULL means streaming is in progress. */ | |
142 | bool streaming; | |
143 | ||
144 | struct v4l2_pix_format pix; | |
145 | struct v4l2_rect crop; | |
146 | struct v4l2_window win; | |
147 | struct v4l2_framebuffer fbuf; | |
148 | ||
149 | /* Lock to protect the shared data structures in ioctl */ | |
150 | struct mutex lock; | |
151 | ||
152 | /* V4L2 control structure for different control id */ | |
153 | struct v4l2_control control[MAX_CID]; | |
154 | enum dss_rotation rotation; | |
155 | bool mirror; | |
156 | int flicker_filter; | |
157 | /* V4L2 control structure for different control id */ | |
158 | ||
159 | int bpp; /* bytes per pixel */ | |
160 | int vrfb_bpp; /* bytes per pixel with respect to VRFB */ | |
161 | ||
162 | struct vid_vrfb_dma vrfb_dma_tx; | |
163 | unsigned int smsshado_phy_addr[MAC_VRFB_CTXS]; | |
164 | unsigned int smsshado_virt_addr[MAC_VRFB_CTXS]; | |
165 | struct vrfb vrfb_context[MAC_VRFB_CTXS]; | |
166 | bool vrfb_static_allocation; | |
167 | unsigned int smsshado_size; | |
168 | unsigned char pos; | |
169 | ||
170 | int ps, vr_ps, line_length, first_int, field_id; | |
171 | enum v4l2_memory memory; | |
172 | struct videobuf_buffer *cur_frm, *next_frm; | |
173 | struct list_head dma_queue; | |
174 | u8 *queued_buf_addr[VIDEO_MAX_FRAME]; | |
175 | u32 cropped_offset; | |
176 | s32 tv_field1_offset; | |
177 | void *isr_handle; | |
178 | ||
179 | /* Buffer queue variables */ | |
180 | struct omap_vout_device *vout; | |
181 | enum v4l2_buf_type type; | |
182 | struct videobuf_queue vbq; | |
183 | int io_allowed; | |
184 | ||
185 | }; | |
a137ac87 | 186 | |
187 | /* | |
188 | * Return true if rotation is 90 or 270 | |
189 | */ | |
b366888a | 190 | static inline int is_rotation_90_or_270(const struct omap_vout_device *vout) |
a137ac87 | 191 | { |
192 | return (vout->rotation == dss_rotation_90_degree || | |
193 | vout->rotation == dss_rotation_270_degree); | |
194 | } | |
195 | ||
196 | /* | |
197 | * Return true if rotation is enabled | |
198 | */ | |
b366888a | 199 | static inline int is_rotation_enabled(const struct omap_vout_device *vout) |
a137ac87 | 200 | { |
201 | return vout->rotation || vout->mirror; | |
202 | } | |
203 | ||
204 | /* | |
205 | * Reverse the rotation degree if mirroring is enabled | |
206 | */ | |
207 | static inline int calc_rotation(const struct omap_vout_device *vout) | |
208 | { | |
209 | if (!vout->mirror) | |
210 | return vout->rotation; | |
211 | ||
212 | switch (vout->rotation) { | |
213 | case dss_rotation_90_degree: | |
214 | return dss_rotation_270_degree; | |
215 | case dss_rotation_270_degree: | |
216 | return dss_rotation_90_degree; | |
217 | case dss_rotation_180_degree: | |
218 | return dss_rotation_0_degree; | |
219 | default: | |
220 | return dss_rotation_180_degree; | |
221 | } | |
222 | } | |
445e258f | 223 | |
224 | void omap_vout_free_buffers(struct omap_vout_device *vout); | |
5c7ab634 | 225 | #endif /* ifndef OMAP_VOUTDEF_H */ |