1 /*
2  * drivers/media/video/samsung/mfc5/s5p_mfc_opr.h
3  *
4  * Header file for Samsung MFC (Multi Function Codec - FIMV) driver
5  * Contains declarations of hw related functions.
6  *
7  * Kamil Debski, Copyright (C) 2011 Samsung Electronics
8  * http://www.samsung.com/
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License version 2 as
12  * published by the Free Software Foundation.
13  */
14 
15 #ifndef S5P_MFC_OPR_H_
16 #define S5P_MFC_OPR_H_
17 
18 #include "s5p_mfc_common.h"
19 
20 int s5p_mfc_init_decode(struct s5p_mfc_ctx *ctx);
21 int s5p_mfc_init_encode(struct s5p_mfc_ctx *mfc_ctx);
22 
23 /* Decoding functions */
24 int s5p_mfc_set_dec_frame_buffer(struct s5p_mfc_ctx *ctx);
25 int s5p_mfc_set_dec_stream_buffer(struct s5p_mfc_ctx *ctx, int buf_addr,
26 						  unsigned int start_num_byte,
27 						  unsigned int buf_size);
28 
29 /* Encoding functions */
30 void s5p_mfc_set_enc_frame_buffer(struct s5p_mfc_ctx *ctx,
31 		unsigned long y_addr, unsigned long c_addr);
32 int s5p_mfc_set_enc_stream_buffer(struct s5p_mfc_ctx *ctx,
33 		unsigned long addr, unsigned int size);
34 void s5p_mfc_get_enc_frame_buffer(struct s5p_mfc_ctx *ctx,
35 		unsigned long *y_addr, unsigned long *c_addr);
36 int s5p_mfc_set_enc_ref_buffer(struct s5p_mfc_ctx *mfc_ctx);
37 
38 int s5p_mfc_decode_one_frame(struct s5p_mfc_ctx *ctx,
39 					enum s5p_mfc_decode_arg last_frame);
40 int s5p_mfc_encode_one_frame(struct s5p_mfc_ctx *mfc_ctx);
41 
42 /* Memory allocation */
43 int s5p_mfc_alloc_dec_temp_buffers(struct s5p_mfc_ctx *ctx);
44 void s5p_mfc_set_dec_desc_buffer(struct s5p_mfc_ctx *ctx);
45 void s5p_mfc_release_dec_desc_buffer(struct s5p_mfc_ctx *ctx);
46 
47 int s5p_mfc_alloc_codec_buffers(struct s5p_mfc_ctx *ctx);
48 void s5p_mfc_release_codec_buffers(struct s5p_mfc_ctx *ctx);
49 
50 int s5p_mfc_alloc_instance_buffer(struct s5p_mfc_ctx *ctx);
51 void s5p_mfc_release_instance_buffer(struct s5p_mfc_ctx *ctx);
52 
53 void s5p_mfc_try_run(struct s5p_mfc_dev *dev);
54 void s5p_mfc_cleanup_queue(struct list_head *lh, struct vb2_queue *vq);
55 
56 #define s5p_mfc_get_dspl_y_adr()	(readl(dev->regs_base + \
57 					S5P_FIMV_SI_DISPLAY_Y_ADR) << \
58 					MFC_OFFSET_SHIFT)
59 #define s5p_mfc_get_dec_y_adr()		(readl(dev->regs_base + \
60 					S5P_FIMV_SI_DISPLAY_Y_ADR) << \
61 					MFC_OFFSET_SHIFT)
62 #define s5p_mfc_get_dspl_status()	readl(dev->regs_base + \
63 						S5P_FIMV_SI_DISPLAY_STATUS)
64 #define s5p_mfc_get_frame_type()	(readl(dev->regs_base + \
65 						S5P_FIMV_DECODE_FRAME_TYPE) \
66 					& S5P_FIMV_DECODE_FRAME_MASK)
67 #define s5p_mfc_get_consumed_stream()	readl(dev->regs_base + \
68 						S5P_FIMV_SI_CONSUMED_BYTES)
69 #define s5p_mfc_get_int_reason()	(readl(dev->regs_base + \
70 					S5P_FIMV_RISC2HOST_CMD) & \
71 					S5P_FIMV_RISC2HOST_CMD_MASK)
72 #define s5p_mfc_get_int_err()		readl(dev->regs_base + \
73 						S5P_FIMV_RISC2HOST_ARG2)
74 #define s5p_mfc_err_dec(x)		(((x) & S5P_FIMV_ERR_DEC_MASK) >> \
75 							S5P_FIMV_ERR_DEC_SHIFT)
76 #define s5p_mfc_err_dspl(x)		(((x) & S5P_FIMV_ERR_DSPL_MASK) >> \
77 							S5P_FIMV_ERR_DSPL_SHIFT)
78 #define s5p_mfc_get_img_width()		readl(dev->regs_base + \
79 						S5P_FIMV_SI_HRESOL)
80 #define s5p_mfc_get_img_height()	readl(dev->regs_base + \
81 						S5P_FIMV_SI_VRESOL)
82 #define s5p_mfc_get_dpb_count()		readl(dev->regs_base + \
83 						S5P_FIMV_SI_BUF_NUMBER)
84 #define s5p_mfc_get_inst_no()		readl(dev->regs_base + \
85 						S5P_FIMV_RISC2HOST_ARG1)
86 #define s5p_mfc_get_enc_strm_size()	readl(dev->regs_base + \
87 						S5P_FIMV_ENC_SI_STRM_SIZE)
88 #define s5p_mfc_get_enc_slice_type()	readl(dev->regs_base + \
89 						S5P_FIMV_ENC_SI_SLICE_TYPE)
90 
91 #endif /* S5P_MFC_OPR_H_ */
92