1 /*
2  *  Driver for the Conexant CX25821 PCIe bridge
3  *
4  *  Copyright (C) 2009 Conexant Systems Inc.
5  *  Authors  <hiep.huynh@conexant.com>, <shu.lin@conexant.com>
6  *
7  *  This program is free software; you can redistribute it and/or modify
8  *  it under the terms of the GNU General Public License as published by
9  *  the Free Software Foundation; either version 2 of the License, or
10  *  (at your option) any later version.
11  *
12  *  This program is distributed in the hope that it will be useful,
13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  *
16  *  GNU General Public License for more details.
17  *
18  *  You should have received a copy of the GNU General Public License
19  *  along with this program; if not, write to the Free Software
20  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21  */
22 
23 #include <linux/mutex.h>
24 #include <linux/workqueue.h>
25 
26 #define OPEN_FILE_1           0
27 #define NUM_PROGS             8
28 #define NUM_FRAMES            2
29 #define ODD_FIELD             0
30 #define EVEN_FIELD            1
31 #define TOP_OFFSET            0
32 #define FIFO_DISABLE          0
33 #define FIFO_ENABLE           1
34 #define TEST_FRAMES           5
35 #define END_OF_FILE           0
36 #define IN_PROGRESS           1
37 #define RESET_STATUS          -1
38 #define NUM_NO_OPS            5
39 
40 /* PAL and NTSC line sizes and number of lines. */
41 #define WIDTH_D1              720
42 #define NTSC_LINES_PER_FRAME  480
43 #define PAL_LINES_PER_FRAME   576
44 #define PAL_LINE_SZ           1440
45 #define Y422_LINE_SZ          1440
46 #define Y411_LINE_SZ          1080
47 #define NTSC_FIELD_HEIGHT     240
48 #define NTSC_ODD_FLD_LINES    241
49 #define PAL_FIELD_HEIGHT      288
50 
51 #define FRAME_SIZE_NTSC_Y422    (NTSC_LINES_PER_FRAME * Y422_LINE_SZ)
52 #define FRAME_SIZE_NTSC_Y411    (NTSC_LINES_PER_FRAME * Y411_LINE_SZ)
53 #define FRAME_SIZE_PAL_Y422     (PAL_LINES_PER_FRAME * Y422_LINE_SZ)
54 #define FRAME_SIZE_PAL_Y411     (PAL_LINES_PER_FRAME * Y411_LINE_SZ)
55 
56 #define NTSC_DATA_BUF_SZ        (Y422_LINE_SZ * NTSC_LINES_PER_FRAME)
57 #define PAL_DATA_BUF_SZ         (Y422_LINE_SZ * PAL_LINES_PER_FRAME)
58 
59 #define RISC_WRITECR_INSTRUCTION_SIZE   16
60 #define RISC_SYNC_INSTRUCTION_SIZE      4
61 #define JUMP_INSTRUCTION_SIZE           12
62 #define MAXSIZE_NO_OPS                  36
63 #define DWORD_SIZE                      4
64 
65 #define USE_RISC_NOOP_VIDEO   1
66 
67 #ifdef USE_RISC_NOOP_VIDEO
68 #define PAL_US_VID_PROG_SIZE						\
69 	(PAL_FIELD_HEIGHT * 3 * DWORD_SIZE +				\
70 	 RISC_WRITECR_INSTRUCTION_SIZE + RISC_SYNC_INSTRUCTION_SIZE +	\
71 	 NUM_NO_OPS * DWORD_SIZE)
72 
73 #define PAL_RISC_BUF_SIZE         (2 * PAL_US_VID_PROG_SIZE)
74 
75 #define PAL_VID_PROG_SIZE						\
76 	((PAL_FIELD_HEIGHT * 2) * 3 * DWORD_SIZE +			\
77 	 2 * RISC_SYNC_INSTRUCTION_SIZE + RISC_WRITECR_INSTRUCTION_SIZE + \
78 	 JUMP_INSTRUCTION_SIZE + 2 * NUM_NO_OPS * DWORD_SIZE)
79 
80 #define ODD_FLD_PAL_PROG_SIZE						\
81 	(PAL_FIELD_HEIGHT * 3 * DWORD_SIZE +				\
82 	 RISC_SYNC_INSTRUCTION_SIZE + RISC_WRITECR_INSTRUCTION_SIZE +	\
83 	 NUM_NO_OPS * DWORD_SIZE)
84 
85 #define NTSC_US_VID_PROG_SIZE						\
86 	((NTSC_ODD_FLD_LINES + 1) * 3 * DWORD_SIZE +			\
87 	 RISC_WRITECR_INSTRUCTION_SIZE + JUMP_INSTRUCTION_SIZE +	\
88 	 NUM_NO_OPS * DWORD_SIZE)
89 
90 #define NTSC_RISC_BUF_SIZE						\
91 	(2 * (RISC_SYNC_INSTRUCTION_SIZE + NTSC_US_VID_PROG_SIZE))
92 
93 #define FRAME1_VID_PROG_SIZE						\
94 	((NTSC_ODD_FLD_LINES + NTSC_FIELD_HEIGHT) *			\
95 	 3 * DWORD_SIZE + 2 * RISC_SYNC_INSTRUCTION_SIZE +		\
96 	 RISC_WRITECR_INSTRUCTION_SIZE + JUMP_INSTRUCTION_SIZE +	\
97 	 2 * NUM_NO_OPS * DWORD_SIZE)
98 
99 #define ODD_FLD_NTSC_PROG_SIZE						\
100 	(NTSC_ODD_FLD_LINES * 3 * DWORD_SIZE +				\
101 	 RISC_SYNC_INSTRUCTION_SIZE + RISC_WRITECR_INSTRUCTION_SIZE +	\
102 	 NUM_NO_OPS * DWORD_SIZE)
103 #endif
104 
105 #ifndef USE_RISC_NOOP_VIDEO
106 #define PAL_US_VID_PROG_SIZE						\
107 	((PAL_FIELD_HEIGHT + 1) * 3 * DWORD_SIZE +			\
108 	 RISC_WRITECR_INSTRUCTION_SIZE)
109 
110 #define PAL_RISC_BUF_SIZE						\
111 	(2 * (RISC_SYNC_INSTRUCTION_SIZE + PAL_US_VID_PROG_SIZE))
112 
113 #define PAL_VID_PROG_SIZE						\
114 	((PAL_FIELD_HEIGHT * 2) * 3 * DWORD_SIZE +			\
115 	 2 * RISC_SYNC_INSTRUCTION_SIZE + RISC_WRITECR_INSTRUCTION_SIZE + \
116 	 JUMP_INSTRUCTION_SIZE)
117 
118 #define ODD_FLD_PAL_PROG_SIZE						\
119 	(PAL_FIELD_HEIGHT * 3 * DWORD_SIZE +				\
120 	 RISC_SYNC_INSTRUCTION_SIZE + RISC_WRITECR_INSTRUCTION_SIZE)
121 
122 #define ODD_FLD_NTSC_PROG_SIZE						\
123 	(NTSC_ODD_FLD_LINES * 3 * DWORD_SIZE +				\
124 	 RISC_SYNC_INSTRUCTION_SIZE + RISC_WRITECR_INSTRUCTION_SIZE)
125 
126 #define NTSC_US_VID_PROG_SIZE						\
127 	((NTSC_ODD_FLD_LINES + 1) * 3 * DWORD_SIZE +			\
128 	 RISC_WRITECR_INSTRUCTION_SIZE + JUMP_INSTRUCTION_SIZE)
129 
130 #define NTSC_RISC_BUF_SIZE						\
131 	(2 * (RISC_SYNC_INSTRUCTION_SIZE + NTSC_US_VID_PROG_SIZE))
132 
133 #define FRAME1_VID_PROG_SIZE						\
134 	((NTSC_ODD_FLD_LINES + NTSC_FIELD_HEIGHT) *			\
135 	 3 * DWORD_SIZE + 2 * RISC_SYNC_INSTRUCTION_SIZE +		\
136 	 RISC_WRITECR_INSTRUCTION_SIZE + JUMP_INSTRUCTION_SIZE)
137 
138 #endif
139