2 * Driver for the Conexant CX25821 PCIe bridge
4 * Copyright (C) 2009 Conexant Systems Inc.
5 * Authors <hiep.huynh@conexant.com>, <shu.lin@conexant.com>
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.
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
16 * GNU General Public License for more details.
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.
23 #include <linux/mutex.h>
24 #include <linux/workqueue.h>
32 #define FIFO_DISABLE 0
37 #define RESET_STATUS -1
40 /* PAL and NTSC line sizes and number of lines. */
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
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)
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)
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
65 #define USE_RISC_NOOP_VIDEO 1
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)
73 #define PAL_RISC_BUF_SIZE (2 * PAL_US_VID_PROG_SIZE)
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)
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)
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)
90 #define NTSC_RISC_BUF_SIZE \
91 (2 * (RISC_SYNC_INSTRUCTION_SIZE + NTSC_US_VID_PROG_SIZE))
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)
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)
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)
110 #define PAL_RISC_BUF_SIZE \
111 (2 * (RISC_SYNC_INSTRUCTION_SIZE + PAL_US_VID_PROG_SIZE))
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)
118 #define ODD_FLD_PAL_PROG_SIZE \
119 (PAL_FIELD_HEIGHT * 3 * DWORD_SIZE + \
120 RISC_SYNC_INSTRUCTION_SIZE + RISC_WRITECR_INSTRUCTION_SIZE)
122 #define ODD_FLD_NTSC_PROG_SIZE \
123 (NTSC_ODD_FLD_LINES * 3 * DWORD_SIZE + \
124 RISC_SYNC_INSTRUCTION_SIZE + RISC_WRITECR_INSTRUCTION_SIZE)
126 #define NTSC_US_VID_PROG_SIZE \
127 ((NTSC_ODD_FLD_LINES + 1) * 3 * DWORD_SIZE + \
128 RISC_WRITECR_INSTRUCTION_SIZE + JUMP_INSTRUCTION_SIZE)
130 #define NTSC_RISC_BUF_SIZE \
131 (2 * (RISC_SYNC_INSTRUCTION_SIZE + NTSC_US_VID_PROG_SIZE))
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)