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1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  *
4  * philips saa7134 registers
5  */
6 
7 /* ------------------------------------------------------------------ */
8 /*
9  * PCI ID's
10  */
11 #ifndef PCI_DEVICE_ID_PHILIPS_SAA7130
12 # define PCI_DEVICE_ID_PHILIPS_SAA7130 0x7130
13 #endif
14 #ifndef PCI_DEVICE_ID_PHILIPS_SAA7133
15 # define PCI_DEVICE_ID_PHILIPS_SAA7133 0x7133
16 #endif
17 #ifndef PCI_DEVICE_ID_PHILIPS_SAA7134
18 # define PCI_DEVICE_ID_PHILIPS_SAA7134 0x7134
19 #endif
20 #ifndef PCI_DEVICE_ID_PHILIPS_SAA7135
21 # define PCI_DEVICE_ID_PHILIPS_SAA7135 0x7135
22 #endif
23 
24 /* ------------------------------------------------------------------ */
25 /*
26  *  registers -- 32 bit
27  */
28 
29 /* DMA channels, n = 0 ... 6 */
30 #define SAA7134_RS_BA1(n)			((0x200 >> 2) + 4*n)
31 #define SAA7134_RS_BA2(n)			((0x204 >> 2) + 4*n)
32 #define SAA7134_RS_PITCH(n)			((0x208 >> 2) + 4*n)
33 #define SAA7134_RS_CONTROL(n)			((0x20c >> 2) + 4*n)
34 #define   SAA7134_RS_CONTROL_WSWAP		(0x01 << 25)
35 #define   SAA7134_RS_CONTROL_BSWAP		(0x01 << 24)
36 #define   SAA7134_RS_CONTROL_BURST_2		(0x01 << 21)
37 #define   SAA7134_RS_CONTROL_BURST_4		(0x02 << 21)
38 #define   SAA7134_RS_CONTROL_BURST_8		(0x03 << 21)
39 #define   SAA7134_RS_CONTROL_BURST_16		(0x04 << 21)
40 #define   SAA7134_RS_CONTROL_BURST_32		(0x05 << 21)
41 #define   SAA7134_RS_CONTROL_BURST_64		(0x06 << 21)
42 #define   SAA7134_RS_CONTROL_BURST_MAX		(0x07 << 21)
43 #define   SAA7134_RS_CONTROL_ME			(0x01 << 20)
44 #define SAA7134_FIFO_SIZE                       (0x2a0 >> 2)
45 #define SAA7134_THRESHOULD                      (0x2a4 >> 2)
46 
47 #define SAA7133_NUM_SAMPLES			(0x588 >> 2)
48 #define SAA7133_AUDIO_CHANNEL			(0x58c >> 2)
49 #define SAA7133_AUDIO_FORMAT			(0x58f >> 2)
50 #define SAA7133_DIGITAL_OUTPUT_SEL1		(0x46c >> 2)
51 #define SAA7133_DIGITAL_OUTPUT_SEL2		(0x470 >> 2)
52 #define SAA7133_DIGITAL_INPUT_XBAR1		(0x464 >> 2)
53 #define SAA7133_ANALOG_IO_SELECT                (0x594 >> 2)
54 
55 /* main control */
56 #define SAA7134_MAIN_CTRL                       (0x2a8 >> 2)
57 #define   SAA7134_MAIN_CTRL_VPLLE		(1 << 15)
58 #define   SAA7134_MAIN_CTRL_APLLE		(1 << 14)
59 #define   SAA7134_MAIN_CTRL_EXOSC		(1 << 13)
60 #define   SAA7134_MAIN_CTRL_EVFE1		(1 << 12)
61 #define   SAA7134_MAIN_CTRL_EVFE2		(1 << 11)
62 #define   SAA7134_MAIN_CTRL_ESFE		(1 << 10)
63 #define   SAA7134_MAIN_CTRL_EBADC		(1 << 9)
64 #define   SAA7134_MAIN_CTRL_EBDAC		(1 << 8)
65 #define   SAA7134_MAIN_CTRL_TE6			(1 << 6)
66 #define   SAA7134_MAIN_CTRL_TE5			(1 << 5)
67 #define   SAA7134_MAIN_CTRL_TE4			(1 << 4)
68 #define   SAA7134_MAIN_CTRL_TE3			(1 << 3)
69 #define   SAA7134_MAIN_CTRL_TE2			(1 << 2)
70 #define   SAA7134_MAIN_CTRL_TE1			(1 << 1)
71 #define   SAA7134_MAIN_CTRL_TE0			(1 << 0)
72 
73 /* DMA status */
74 #define SAA7134_DMA_STATUS                      (0x2ac >> 2)
75 
76 /* audio / video status */
77 #define SAA7134_AV_STATUS			(0x2c0 >> 2)
78 #define   SAA7134_AV_STATUS_STEREO		(1 << 17)
79 #define   SAA7134_AV_STATUS_DUAL                (1 << 16)
80 #define   SAA7134_AV_STATUS_PILOT               (1 << 15)
81 #define   SAA7134_AV_STATUS_SMB                 (1 << 14)
82 #define   SAA7134_AV_STATUS_DMB                 (1 << 13)
83 #define   SAA7134_AV_STATUS_VDSP                (1 << 12)
84 #define   SAA7134_AV_STATUS_IIC_STATUS          (3 << 10)
85 #define   SAA7134_AV_STATUS_MVM                 (7 << 7)
86 #define   SAA7134_AV_STATUS_FIDT                (1 << 6)
87 #define   SAA7134_AV_STATUS_INTL                (1 << 5)
88 #define   SAA7134_AV_STATUS_RDCAP               (1 << 4)
89 #define   SAA7134_AV_STATUS_PWR_ON              (1 << 3)
90 #define   SAA7134_AV_STATUS_LOAD_ERR            (1 << 2)
91 #define   SAA7134_AV_STATUS_TRIG_ERR            (1 << 1)
92 #define   SAA7134_AV_STATUS_CONF_ERR            (1 << 0)
93 
94 /* interrupt */
95 #define SAA7134_IRQ1                            (0x2c4 >> 2)
96 #define   SAA7134_IRQ1_INTE_RA3_1               (1 << 25)
97 #define   SAA7134_IRQ1_INTE_RA3_0               (1 << 24)
98 #define   SAA7134_IRQ1_INTE_RA2_3               (1 << 19)
99 #define   SAA7134_IRQ1_INTE_RA2_2               (1 << 18)
100 #define   SAA7134_IRQ1_INTE_RA2_1               (1 << 17)
101 #define   SAA7134_IRQ1_INTE_RA2_0               (1 << 16)
102 #define   SAA7134_IRQ1_INTE_RA1_3               (1 << 11)
103 #define   SAA7134_IRQ1_INTE_RA1_2               (1 << 10)
104 #define   SAA7134_IRQ1_INTE_RA1_1               (1 <<  9)
105 #define   SAA7134_IRQ1_INTE_RA1_0               (1 <<  8)
106 #define   SAA7134_IRQ1_INTE_RA0_7               (1 <<  7)
107 #define   SAA7134_IRQ1_INTE_RA0_6               (1 <<  6)
108 #define   SAA7134_IRQ1_INTE_RA0_5               (1 <<  5)
109 #define   SAA7134_IRQ1_INTE_RA0_4               (1 <<  4)
110 #define   SAA7134_IRQ1_INTE_RA0_3               (1 <<  3)
111 #define   SAA7134_IRQ1_INTE_RA0_2               (1 <<  2)
112 #define   SAA7134_IRQ1_INTE_RA0_1               (1 <<  1)
113 #define   SAA7134_IRQ1_INTE_RA0_0               (1 <<  0)
114 
115 #define SAA7134_IRQ2                            (0x2c8 >> 2)
116 #define   SAA7134_IRQ2_INTE_GPIO23_N             (1 << 17)	/* negative edge */
117 #define   SAA7134_IRQ2_INTE_GPIO23_P             (1 << 16)	/* positive edge */
118 #define   SAA7134_IRQ2_INTE_GPIO22_N             (1 << 15)	/* negative edge */
119 #define   SAA7134_IRQ2_INTE_GPIO22_P             (1 << 14)	/* positive edge */
120 #define   SAA7134_IRQ2_INTE_GPIO18_N             (1 << 13)	/* negative edge */
121 #define   SAA7134_IRQ2_INTE_GPIO18_P             (1 << 12)	/* positive edge */
122 #define   SAA7134_IRQ2_INTE_GPIO16_N             (1 << 11)	/* negative edge */
123 #define   SAA7134_IRQ2_INTE_GPIO16_P             (1 << 10)	/* positive edge */
124 #define   SAA7134_IRQ2_INTE_SC2                 (1 <<  9)
125 #define   SAA7134_IRQ2_INTE_SC1                 (1 <<  8)
126 #define   SAA7134_IRQ2_INTE_SC0                 (1 <<  7)
127 #define   SAA7134_IRQ2_INTE_DEC4                (1 <<  6)
128 #define   SAA7134_IRQ2_INTE_DEC3                (1 <<  5)
129 #define   SAA7134_IRQ2_INTE_DEC2                (1 <<  4)
130 #define   SAA7134_IRQ2_INTE_DEC1                (1 <<  3)
131 #define   SAA7134_IRQ2_INTE_DEC0                (1 <<  2)
132 #define   SAA7134_IRQ2_INTE_PE                  (1 <<  1)
133 #define   SAA7134_IRQ2_INTE_AR                  (1 <<  0)
134 
135 #define SAA7134_IRQ_REPORT                      (0x2cc >> 2)
136 #define   SAA7134_IRQ_REPORT_GPIO23             (1 << 17)
137 #define   SAA7134_IRQ_REPORT_GPIO22             (1 << 16)
138 #define   SAA7134_IRQ_REPORT_GPIO18             (1 << 15)
139 #define   SAA7134_IRQ_REPORT_GPIO16             (1 << 14)
140 #define   SAA7134_IRQ_REPORT_LOAD_ERR           (1 << 13)
141 #define   SAA7134_IRQ_REPORT_CONF_ERR           (1 << 12)
142 #define   SAA7134_IRQ_REPORT_TRIG_ERR           (1 << 11)
143 #define   SAA7134_IRQ_REPORT_MMC                (1 << 10)
144 #define   SAA7134_IRQ_REPORT_FIDT               (1 <<  9)
145 #define   SAA7134_IRQ_REPORT_INTL               (1 <<  8)
146 #define   SAA7134_IRQ_REPORT_RDCAP              (1 <<  7)
147 #define   SAA7134_IRQ_REPORT_PWR_ON             (1 <<  6)
148 #define   SAA7134_IRQ_REPORT_PE                 (1 <<  5)
149 #define   SAA7134_IRQ_REPORT_AR                 (1 <<  4)
150 #define   SAA7134_IRQ_REPORT_DONE_RA3           (1 <<  3)
151 #define   SAA7134_IRQ_REPORT_DONE_RA2           (1 <<  2)
152 #define   SAA7134_IRQ_REPORT_DONE_RA1           (1 <<  1)
153 #define   SAA7134_IRQ_REPORT_DONE_RA0           (1 <<  0)
154 #define SAA7134_IRQ_STATUS                      (0x2d0 >> 2)
155 
156 
157 /* ------------------------------------------------------------------ */
158 /*
159  *  registers -- 8 bit
160  */
161 
162 /* video decoder */
163 #define SAA7134_INCR_DELAY                      0x101
164 #define SAA7134_ANALOG_IN_CTRL1                 0x102
165 #define SAA7134_ANALOG_IN_CTRL2                 0x103
166 #define SAA7134_ANALOG_IN_CTRL3                 0x104
167 #define SAA7134_ANALOG_IN_CTRL4                 0x105
168 #define SAA7134_HSYNC_START                     0x106
169 #define SAA7134_HSYNC_STOP                      0x107
170 #define SAA7134_SYNC_CTRL                       0x108
171 #define   SAA7134_SYNC_CTRL_AUFD                (1 << 7)
172 #define SAA7134_LUMA_CTRL                       0x109
173 #define   SAA7134_LUMA_CTRL_LDEL                (1 << 5)
174 #define SAA7134_DEC_LUMA_BRIGHT                 0x10a
175 #define SAA7134_DEC_LUMA_CONTRAST               0x10b
176 #define SAA7134_DEC_CHROMA_SATURATION           0x10c
177 #define SAA7134_DEC_CHROMA_HUE                  0x10d
178 #define SAA7134_CHROMA_CTRL1                    0x10e
179 #define   SAA7134_CHROMA_CTRL1_AUTO0            (1 << 1)
180 #define   SAA7134_CHROMA_CTRL1_FCTC             (1 << 2)
181 #define SAA7134_CHROMA_GAIN                     0x10f
182 #define SAA7134_CHROMA_CTRL2                    0x110
183 #define SAA7134_MODE_DELAY_CTRL                 0x111
184 
185 #define SAA7134_ANALOG_ADC                      0x114
186 #define   SAA7134_ANALOG_ADC_AUTO1              (1 << 2)
187 #define SAA7134_VGATE_START                     0x115
188 #define SAA7134_VGATE_STOP                      0x116
189 #define SAA7134_MISC_VGATE_MSB                  0x117
190 #define SAA7134_RAW_DATA_GAIN                   0x118
191 #define SAA7134_RAW_DATA_OFFSET                 0x119
192 #define SAA7134_STATUS_VIDEO1                   0x11e
193 #define SAA7134_STATUS_VIDEO2                   0x11f
194 
195 /* video scaler */
196 #define SAA7134_SOURCE_TIMING1                  0x000
197 #define SAA7134_SOURCE_TIMING2                  0x001
198 #define SAA7134_REGION_ENABLE                   0x004
199 #define SAA7134_SCALER_STATUS0                  0x006
200 #define SAA7134_SCALER_STATUS1                  0x007
201 #define SAA7134_START_GREEN                     0x00c
202 #define SAA7134_START_BLUE                      0x00d
203 #define SAA7134_START_RED                       0x00e
204 #define SAA7134_GREEN_PATH(x)                   (0x010 +x)
205 #define SAA7134_BLUE_PATH(x)                    (0x020 +x)
206 #define SAA7134_RED_PATH(x)                     (0x030 +x)
207 
208 #define TASK_A                                  0x040
209 #define TASK_B                                  0x080
210 #define SAA7134_TASK_CONDITIONS(t)              (0x000 +t)
211 #define SAA7134_FIELD_HANDLING(t)               (0x001 +t)
212 #define SAA7134_DATA_PATH(t)                    (0x002 +t)
213 #define SAA7134_VBI_H_START1(t)                 (0x004 +t)
214 #define SAA7134_VBI_H_START2(t)                 (0x005 +t)
215 #define SAA7134_VBI_H_STOP1(t)                  (0x006 +t)
216 #define SAA7134_VBI_H_STOP2(t)                  (0x007 +t)
217 #define SAA7134_VBI_V_START1(t)                 (0x008 +t)
218 #define SAA7134_VBI_V_START2(t)                 (0x009 +t)
219 #define SAA7134_VBI_V_STOP1(t)                  (0x00a +t)
220 #define SAA7134_VBI_V_STOP2(t)                  (0x00b +t)
221 #define SAA7134_VBI_H_LEN1(t)                   (0x00c +t)
222 #define SAA7134_VBI_H_LEN2(t)                   (0x00d +t)
223 #define SAA7134_VBI_V_LEN1(t)                   (0x00e +t)
224 #define SAA7134_VBI_V_LEN2(t)                   (0x00f +t)
225 
226 #define SAA7134_VIDEO_H_START1(t)               (0x014 +t)
227 #define SAA7134_VIDEO_H_START2(t)               (0x015 +t)
228 #define SAA7134_VIDEO_H_STOP1(t)                (0x016 +t)
229 #define SAA7134_VIDEO_H_STOP2(t)                (0x017 +t)
230 #define SAA7134_VIDEO_V_START1(t)               (0x018 +t)
231 #define SAA7134_VIDEO_V_START2(t)               (0x019 +t)
232 #define SAA7134_VIDEO_V_STOP1(t)                (0x01a +t)
233 #define SAA7134_VIDEO_V_STOP2(t)                (0x01b +t)
234 #define SAA7134_VIDEO_PIXELS1(t)                (0x01c +t)
235 #define SAA7134_VIDEO_PIXELS2(t)                (0x01d +t)
236 #define SAA7134_VIDEO_LINES1(t)                 (0x01e +t)
237 #define SAA7134_VIDEO_LINES2(t)                 (0x01f +t)
238 
239 #define SAA7134_H_PRESCALE(t)                   (0x020 +t)
240 #define SAA7134_ACC_LENGTH(t)                   (0x021 +t)
241 #define SAA7134_LEVEL_CTRL(t)                   (0x022 +t)
242 #define SAA7134_FIR_PREFILTER_CTRL(t)           (0x023 +t)
243 #define SAA7134_LUMA_BRIGHT(t)                  (0x024 +t)
244 #define SAA7134_LUMA_CONTRAST(t)                (0x025 +t)
245 #define SAA7134_CHROMA_SATURATION(t)            (0x026 +t)
246 #define SAA7134_VBI_H_SCALE_INC1(t)             (0x028 +t)
247 #define SAA7134_VBI_H_SCALE_INC2(t)             (0x029 +t)
248 #define SAA7134_VBI_PHASE_OFFSET_LUMA(t)        (0x02a +t)
249 #define SAA7134_VBI_PHASE_OFFSET_CHROMA(t)      (0x02b +t)
250 #define SAA7134_H_SCALE_INC1(t)                 (0x02c +t)
251 #define SAA7134_H_SCALE_INC2(t)                 (0x02d +t)
252 #define SAA7134_H_PHASE_OFF_LUMA(t)             (0x02e +t)
253 #define SAA7134_H_PHASE_OFF_CHROMA(t)           (0x02f +t)
254 #define SAA7134_V_SCALE_RATIO1(t)               (0x030 +t)
255 #define SAA7134_V_SCALE_RATIO2(t)               (0x031 +t)
256 #define SAA7134_V_FILTER(t)                     (0x032 +t)
257 #define SAA7134_V_PHASE_OFFSET0(t)              (0x034 +t)
258 #define SAA7134_V_PHASE_OFFSET1(t)              (0x035 +t)
259 #define SAA7134_V_PHASE_OFFSET2(t)              (0x036 +t)
260 #define SAA7134_V_PHASE_OFFSET3(t)              (0x037 +t)
261 
262 /* clipping & dma */
263 #define SAA7134_OFMT_VIDEO_A                    0x300
264 #define SAA7134_OFMT_DATA_A                     0x301
265 #define SAA7134_OFMT_VIDEO_B                    0x302
266 #define SAA7134_OFMT_DATA_B                     0x303
267 #define SAA7134_ALPHA_NOCLIP                    0x304
268 #define SAA7134_ALPHA_CLIP                      0x305
269 #define SAA7134_UV_PIXEL                        0x308
270 #define SAA7134_CLIP_RED                        0x309
271 #define SAA7134_CLIP_GREEN                      0x30a
272 #define SAA7134_CLIP_BLUE                       0x30b
273 
274 /* i2c bus */
275 #define SAA7134_I2C_ATTR_STATUS                 0x180
276 #define SAA7134_I2C_DATA                        0x181
277 #define SAA7134_I2C_CLOCK_SELECT                0x182
278 #define SAA7134_I2C_TIMER                       0x183
279 
280 /* audio */
281 #define SAA7134_NICAM_ADD_DATA1                 0x140
282 #define SAA7134_NICAM_ADD_DATA2                 0x141
283 #define SAA7134_NICAM_STATUS                    0x142
284 #define SAA7134_AUDIO_STATUS                    0x143
285 #define SAA7134_NICAM_ERROR_COUNT               0x144
286 #define SAA7134_IDENT_SIF                       0x145
287 #define SAA7134_LEVEL_READOUT1                  0x146
288 #define SAA7134_LEVEL_READOUT2                  0x147
289 #define SAA7134_NICAM_ERROR_LOW                 0x148
290 #define SAA7134_NICAM_ERROR_HIGH                0x149
291 #define SAA7134_DCXO_IDENT_CTRL                 0x14a
292 #define SAA7134_DEMODULATOR                     0x14b
293 #define SAA7134_AGC_GAIN_SELECT                 0x14c
294 #define SAA7134_CARRIER1_FREQ0                  0x150
295 #define SAA7134_CARRIER1_FREQ1                  0x151
296 #define SAA7134_CARRIER1_FREQ2                  0x152
297 #define SAA7134_CARRIER2_FREQ0                  0x154
298 #define SAA7134_CARRIER2_FREQ1                  0x155
299 #define SAA7134_CARRIER2_FREQ2                  0x156
300 #define SAA7134_NUM_SAMPLES0                    0x158
301 #define SAA7134_NUM_SAMPLES1                    0x159
302 #define SAA7134_NUM_SAMPLES2                    0x15a
303 #define SAA7134_AUDIO_FORMAT_CTRL               0x15b
304 #define SAA7134_MONITOR_SELECT                  0x160
305 #define SAA7134_FM_DEEMPHASIS                   0x161
306 #define SAA7134_FM_DEMATRIX                     0x162
307 #define SAA7134_CHANNEL1_LEVEL                  0x163
308 #define SAA7134_CHANNEL2_LEVEL                  0x164
309 #define SAA7134_NICAM_CONFIG                    0x165
310 #define SAA7134_NICAM_LEVEL_ADJUST              0x166
311 #define SAA7134_STEREO_DAC_OUTPUT_SELECT        0x167
312 #define SAA7134_I2S_OUTPUT_FORMAT               0x168
313 #define SAA7134_I2S_OUTPUT_SELECT               0x169
314 #define SAA7134_I2S_OUTPUT_LEVEL                0x16a
315 #define SAA7134_DSP_OUTPUT_SELECT               0x16b
316 #define SAA7134_AUDIO_MUTE_CTRL                 0x16c
317 #define SAA7134_SIF_SAMPLE_FREQ                 0x16d
318 #define SAA7134_ANALOG_IO_SELECT                0x16e
319 #define SAA7134_AUDIO_CLOCK0                    0x170
320 #define SAA7134_AUDIO_CLOCK1                    0x171
321 #define SAA7134_AUDIO_CLOCK2                    0x172
322 #define SAA7134_AUDIO_PLL_CTRL                  0x173
323 #define SAA7134_AUDIO_CLOCKS_PER_FIELD0         0x174
324 #define SAA7134_AUDIO_CLOCKS_PER_FIELD1         0x175
325 #define SAA7134_AUDIO_CLOCKS_PER_FIELD2         0x176
326 
327 /* video port output */
328 #define SAA7134_VIDEO_PORT_CTRL0                0x190
329 #define SAA7134_VIDEO_PORT_CTRL1                0x191
330 #define SAA7134_VIDEO_PORT_CTRL2                0x192
331 #define SAA7134_VIDEO_PORT_CTRL3                0x193
332 #define SAA7134_VIDEO_PORT_CTRL4                0x194
333 #define SAA7134_VIDEO_PORT_CTRL5                0x195
334 #define SAA7134_VIDEO_PORT_CTRL6                0x196
335 #define SAA7134_VIDEO_PORT_CTRL7                0x197
336 #define SAA7134_VIDEO_PORT_CTRL8                0x198
337 
338 /* transport stream interface */
339 #define SAA7134_TS_PARALLEL                     0x1a0
340 #define SAA7134_TS_PARALLEL_SERIAL              0x1a1
341 #define SAA7134_TS_SERIAL0                      0x1a2
342 #define SAA7134_TS_SERIAL1                      0x1a3
343 #define SAA7134_TS_DMA0                         0x1a4
344 #define SAA7134_TS_DMA1                         0x1a5
345 #define SAA7134_TS_DMA2                         0x1a6
346 
347 /* GPIO Controls */
348 #define SAA7134_GPIO_GPRESCAN                   0x80
349 #define SAA7134_GPIO_27_25                      0x0E
350 
351 #define SAA7134_GPIO_GPMODE0                    0x1B0
352 #define SAA7134_GPIO_GPMODE1                    0x1B1
353 #define SAA7134_GPIO_GPMODE2                    0x1B2
354 #define SAA7134_GPIO_GPMODE3                    0x1B3
355 #define SAA7134_GPIO_GPSTATUS0                  0x1B4
356 #define SAA7134_GPIO_GPSTATUS1                  0x1B5
357 #define SAA7134_GPIO_GPSTATUS2                  0x1B6
358 #define SAA7134_GPIO_GPSTATUS3                  0x1B7
359 
360 /* I2S output */
361 #define SAA7134_I2S_AUDIO_OUTPUT                0x1c0
362 
363 /* test modes */
364 #define SAA7134_SPECIAL_MODE                    0x1d0
365 #define SAA7134_PRODUCTION_TEST_MODE            0x1d1
366 
367 /* audio -- saa7133 + saa7135 only */
368 #define SAA7135_DSP_RWSTATE                     0x580
369 #define SAA7135_DSP_RWSTATE_ERR                 (1 << 3)
370 #define SAA7135_DSP_RWSTATE_IDA                 (1 << 2)
371 #define SAA7135_DSP_RWSTATE_RDB                 (1 << 1)
372 #define SAA7135_DSP_RWSTATE_WRR                 (1 << 0)
373 
374 #define SAA7135_DSP_RWCLEAR			0x586
375 #define SAA7135_DSP_RWCLEAR_RERR		    1
376 
377 #define SAA7133_I2S_AUDIO_CONTROL               0x591
378