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