1 | /** |
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2 | * @file |
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3 | * @ingroup lm32_milkymist_tmu lm32_milkymist_shared |
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4 | * @brief Milkymist TMU driver |
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5 | */ |
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6 | |
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7 | /* milkymist_tmu.h |
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8 | * |
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9 | * Milkymist TMU driver for RTEMS |
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10 | * |
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11 | * The license and distribution terms for this file may be |
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12 | * found in the file LICENSE in this distribution or at |
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13 | * http://www.rtems.com/license/LICENSE. |
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14 | * |
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15 | * COPYRIGHT (c) 2010 Sebastien Bourdeauducq |
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16 | */ |
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17 | |
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18 | /** |
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19 | * @defgroup lm32_milkymist_tmu Milkymist TMU |
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20 | * @ingroup lm32_milkymist_shared |
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21 | * @brief Milkymist TMU driver |
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22 | * @{ |
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23 | */ |
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24 | |
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25 | #ifndef __MILKYMIST_TMU_H_ |
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26 | #define __MILKYMIST_TMU_H_ |
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27 | |
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28 | #ifdef __cplusplus |
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29 | extern "C" { |
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30 | #endif |
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31 | |
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32 | /* Ioctls */ |
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33 | #define TMU_EXECUTE 0x5400 |
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34 | #define TMU_EXECUTE_NONBLOCK 0x5401 |
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35 | #define TMU_EXECUTE_WAIT 0x5402 |
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36 | |
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37 | struct tmu_vertex { |
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38 | int x; |
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39 | int y; |
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40 | } __attribute__((packed)); |
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41 | |
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42 | struct tmu_td { |
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43 | unsigned int flags; |
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44 | unsigned int hmeshlast; |
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45 | unsigned int vmeshlast; |
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46 | unsigned int brightness; |
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47 | unsigned short chromakey; |
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48 | struct tmu_vertex *vertices; |
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49 | unsigned short *texfbuf; |
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50 | unsigned int texhres; |
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51 | unsigned int texvres; |
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52 | unsigned int texhmask; |
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53 | unsigned int texvmask; |
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54 | unsigned short *dstfbuf; |
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55 | unsigned int dsthres; |
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56 | unsigned int dstvres; |
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57 | int dsthoffset; |
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58 | int dstvoffset; |
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59 | unsigned int dstsquarew; |
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60 | unsigned int dstsquareh; |
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61 | unsigned int alpha; |
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62 | |
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63 | bool invalidate_before; |
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64 | bool invalidate_after; |
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65 | }; |
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66 | |
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67 | #define TMU_BRIGHTNESS_MAX (63) |
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68 | #define TMU_MASK_NOFILTER (0x3ffc0) |
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69 | #define TMU_MASK_FULL (0x3ffff) |
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70 | #define TMU_FIXEDPOINT_SHIFT (6) |
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71 | #define TMU_ALPHA_MAX (63) |
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72 | #define TMU_MESH_MAXSIZE (128) |
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73 | |
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74 | #define TMU_FLAG_CHROMAKEY (2) |
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75 | #define TMU_FLAG_ADDITIVE (4) |
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76 | |
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77 | rtems_device_driver tmu_initialize( |
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78 | rtems_device_major_number major, |
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79 | rtems_device_minor_number minor, |
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80 | void *arg |
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81 | ); |
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82 | |
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83 | rtems_device_driver tmu_control( |
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84 | rtems_device_major_number major, |
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85 | rtems_device_minor_number minor, |
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86 | void *arg |
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87 | ); |
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88 | |
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89 | #define TMU_DRIVER_TABLE_ENTRY {tmu_initialize, \ |
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90 | NULL, NULL, NULL, NULL, tmu_control} |
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91 | |
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92 | /** @} */ |
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93 | |
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94 | #ifdef __cplusplus |
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95 | } |
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96 | #endif |
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97 | |
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98 | #endif /* __MILKYMIST_TMU_H_ */ |
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