1/*
2 *  Driver for the NXP SAA7164 PCIe bridge
3 *
4 *  Copyright (c) 2010 Steven Toth <stoth@kernellabs.com>
5 *
6 *  This program is free software; you can redistribute it and/or modify
7 *  it under the terms of the GNU General Public License as published by
8 *  the Free Software Foundation; either version 2 of the License, or
9 *  (at your option) any later version.
10 *
11 *  This program is distributed in the hope that it will be useful,
12 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 *
15 *  GNU General Public License for more details.
16 *
17 *  You should have received a copy of the GNU General Public License
18 *  along with this program; if not, write to the Free Software
19 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 */
21
22/* TODO: Retest the driver with errors expressed as negatives */
23
24/* Result codes */
25#define SAA_OK				0
26#define SAA_ERR_BAD_PARAMETER		0x09
27#define SAA_ERR_NO_RESOURCES		0x0c
28#define SAA_ERR_NOT_SUPPORTED		0x13
29#define SAA_ERR_BUSY			0x15
30#define SAA_ERR_READ			0x17
31#define SAA_ERR_TIMEOUT			0x1f
32#define SAA_ERR_OVERFLOW		0x20
33#define SAA_ERR_EMPTY			0x22
34#define SAA_ERR_NOT_STARTED		0x23
35#define SAA_ERR_ALREADY_STARTED		0x24
36#define SAA_ERR_NOT_STOPPED		0x25
37#define SAA_ERR_ALREADY_STOPPED		0x26
38#define SAA_ERR_INVALID_COMMAND		0x3e
39#define SAA_ERR_NULL_PACKET		0x59
40
41/* Errors and flags from the silicon */
42#define PVC_ERRORCODE_UNKNOWN		0x00
43#define PVC_ERRORCODE_INVALID_COMMAND	0x01
44#define PVC_ERRORCODE_INVALID_CONTROL	0x02
45#define PVC_ERRORCODE_INVALID_DATA	0x03
46#define PVC_ERRORCODE_TIMEOUT		0x04
47#define PVC_ERRORCODE_NAK		0x05
48#define PVC_RESPONSEFLAG_ERROR		0x01
49#define PVC_RESPONSEFLAG_OVERFLOW	0x02
50#define PVC_RESPONSEFLAG_RESET		0x04
51#define PVC_RESPONSEFLAG_INTERFACE	0x08
52#define PVC_RESPONSEFLAG_CONTINUED	0x10
53#define PVC_CMDFLAG_INTERRUPT		0x02
54#define PVC_CMDFLAG_INTERFACE		0x04
55#define PVC_CMDFLAG_SERIALIZE		0x08
56#define PVC_CMDFLAG_CONTINUE		0x10
57
58/* Silicon Commands */
59#define GET_DESCRIPTORS_CONTROL		0x01
60#define GET_STRING_CONTROL		0x03
61#define GET_LANGUAGE_CONTROL		0x05
62#define SET_POWER_CONTROL		0x07
63#define GET_FW_STATUS_CONTROL		0x08
64#define GET_FW_VERSION_CONTROL		0x09
65#define SET_DEBUG_LEVEL_CONTROL		0x0B
66#define GET_DEBUG_DATA_CONTROL		0x0C
67#define GET_PRODUCTION_INFO_CONTROL	0x0D
68
69/* cmd defines */
70#define SAA_CMDFLAG_CONTINUE		0x10
71#define SAA_CMD_MAX_MSG_UNITS		256
72
73/* Some defines */
74#define SAA_BUS_TIMEOUT			50
75#define SAA_DEVICE_TIMEOUT		5000
76#define SAA_DEVICE_MAXREQUESTSIZE	256
77
78/* Register addresses */
79#define SAA_DEVICE_VERSION		0x30
80#define SAA_DOWNLOAD_FLAGS		0x34
81#define SAA_DOWNLOAD_FLAG		0x34
82#define SAA_DOWNLOAD_FLAG_ACK		0x38
83#define SAA_DATAREADY_FLAG		0x3C
84#define SAA_DATAREADY_FLAG_ACK		0x40
85
86/* Boot loader register and bit definitions */
87#define SAA_BOOTLOADERERROR_FLAGS	0x44
88#define SAA_DEVICE_IMAGE_SEARCHING	0x01
89#define SAA_DEVICE_IMAGE_LOADING	0x02
90#define SAA_DEVICE_IMAGE_BOOTING	0x03
91#define SAA_DEVICE_IMAGE_CORRUPT	0x04
92#define SAA_DEVICE_MEMORY_CORRUPT	0x08
93#define SAA_DEVICE_NO_IMAGE		0x10
94
95/* Register addresses */
96#define SAA_DEVICE_2ND_VERSION			0x50
97#define SAA_DEVICE_2ND_DOWNLOADFLAG_OFFSET	0x54
98
99/* Register addresses */
100#define SAA_SECONDSTAGEERROR_FLAGS		0x64
101
102/* Bootloader regs and flags */
103#define SAA_DEVICE_DEADLOCK_DETECTED_OFFSET	0x6C
104#define SAA_DEVICE_DEADLOCK_DETECTED		0xDEADDEAD
105
106/* Basic firmware status registers */
107#define SAA_DEVICE_SYSINIT_STATUS_OFFSET	0x70
108#define SAA_DEVICE_SYSINIT_STATUS		0x70
109#define SAA_DEVICE_SYSINIT_MODE			0x74
110#define SAA_DEVICE_SYSINIT_SPEC			0x78
111#define SAA_DEVICE_SYSINIT_INST			0x7C
112#define SAA_DEVICE_SYSINIT_CPULOAD		0x80
113#define SAA_DEVICE_SYSINIT_REMAINHEAP		0x84
114
115#define SAA_DEVICE_DOWNLOAD_OFFSET		0x1000
116#define SAA_DEVICE_BUFFERBLOCKSIZE		0x1000
117
118#define SAA_DEVICE_2ND_BUFFERBLOCKSIZE		0x100000
119#define SAA_DEVICE_2ND_DOWNLOAD_OFFSET		0x200000
120
121/* Descriptors */
122#define CS_INTERFACE	0x24
123
124/* Descriptor subtypes */
125#define VC_INPUT_TERMINAL		0x02
126#define VC_OUTPUT_TERMINAL		0x03
127#define VC_SELECTOR_UNIT		0x04
128#define VC_PROCESSING_UNIT		0x05
129#define FEATURE_UNIT			0x06
130#define TUNER_UNIT			0x09
131#define ENCODER_UNIT			0x0A
132#define EXTENSION_UNIT			0x0B
133#define VC_TUNER_PATH			0xF0
134#define PVC_HARDWARE_DESCRIPTOR		0xF1
135#define PVC_INTERFACE_DESCRIPTOR	0xF2
136#define PVC_INFRARED_UNIT		0xF3
137#define DRM_UNIT			0xF4
138#define GENERAL_REQUEST			0xF5
139
140/* Format Types */
141#define VS_FORMAT_TYPE         0x02
142#define VS_FORMAT_TYPE_I       0x01
143#define VS_FORMAT_UNCOMPRESSED 0x04
144#define VS_FRAME_UNCOMPRESSED  0x05
145#define VS_FORMAT_MPEG2PS      0x09
146#define VS_FORMAT_MPEG2TS      0x0A
147#define VS_FORMAT_MPEG4SL      0x0B
148#define VS_FORMAT_WM9          0x0C
149#define VS_FORMAT_DIVX         0x0D
150#define VS_FORMAT_VBI          0x0E
151#define VS_FORMAT_RDS          0x0F
152
153/* Device extension commands */
154#define EXU_REGISTER_ACCESS_CONTROL	0x00
155#define EXU_GPIO_CONTROL		0x01
156#define EXU_GPIO_GROUP_CONTROL		0x02
157#define EXU_INTERRUPT_CONTROL		0x03
158
159/* State Transition and args */
160#define SAA_PROBE_CONTROL	0x01
161#define SAA_COMMIT_CONTROL	0x02
162#define SAA_STATE_CONTROL	0x03
163#define SAA_DMASTATE_STOP	0x00
164#define SAA_DMASTATE_ACQUIRE	0x01
165#define SAA_DMASTATE_PAUSE	0x02
166#define SAA_DMASTATE_RUN	0x03
167
168/* A/V Mux Input Selector */
169#define SU_INPUT_SELECT_CONTROL 0x01
170
171/* Encoder Profiles */
172#define EU_PROFILE_PS_DVD	0x06
173#define EU_PROFILE_TS_HQ	0x09
174#define EU_VIDEO_FORMAT_MPEG_2	0x02
175
176/* Tuner */
177#define TU_AUDIO_MODE_CONTROL  0x17
178
179/* Video Formats */
180#define TU_STANDARD_CONTROL		0x00
181#define TU_STANDARD_AUTO_CONTROL	0x01
182#define TU_STANDARD_NONE		0x00
183#define TU_STANDARD_NTSC_M		0x01
184#define TU_STANDARD_PAL_I		0x08
185#define TU_STANDARD_MANUAL		0x00
186#define TU_STANDARD_AUTO		0x01
187
188/* Video Controls */
189#define PU_BRIGHTNESS_CONTROL	0x02
190#define PU_CONTRAST_CONTROL	0x03
191#define PU_HUE_CONTROL		0x06
192#define PU_SATURATION_CONTROL	0x07
193#define PU_SHARPNESS_CONTROL	0x08
194
195/* Audio Controls */
196#define MUTE_CONTROL		0x01
197#define VOLUME_CONTROL		0x02
198#define AUDIO_DEFAULT_CONTROL	0x0D
199
200/* Default Volume Levels */
201#define TMHW_LEV_ADJ_DECLEV_DEFAULT     0x00
202#define TMHW_LEV_ADJ_MONOLEV_DEFAULT    0x00
203#define TMHW_LEV_ADJ_NICLEV_DEFAULT     0x00
204#define TMHW_LEV_ADJ_SAPLEV_DEFAULT     0x00
205#define TMHW_LEV_ADJ_ADCLEV_DEFAULT     0x00
206
207/* Encoder Related Commands */
208#define EU_PROFILE_CONTROL		0x00
209#define EU_VIDEO_FORMAT_CONTROL		0x01
210#define EU_VIDEO_BIT_RATE_CONTROL	0x02
211#define EU_VIDEO_RESOLUTION_CONTROL	0x03
212#define EU_VIDEO_GOP_STRUCTURE_CONTROL	0x04
213#define EU_VIDEO_INPUT_ASPECT_CONTROL	0x0A
214#define EU_AUDIO_FORMAT_CONTROL		0x0C
215#define EU_AUDIO_BIT_RATE_CONTROL	0x0D
216
217/* Firmware Debugging */
218#define SET_DEBUG_LEVEL_CONTROL	0x0B
219#define GET_DEBUG_DATA_CONTROL	0x0C
220