1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
|
/*
* linux/include/asm-arm/arch-omap/dma.h
*
* Copyright (C) 2003 Nokia Corporation
* Author: Juha Yrjölä <juha.yrjola@nokia.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __ASM_ARCH_DMA_H
#define __ASM_ARCH_DMA_H
/* Hardware registers for omap1 */
#define OMAP_DMA_BASE (0xfffed800)
#define OMAP_DMA_GCR (OMAP_DMA_BASE + 0x400)
#define OMAP_DMA_GSCR (OMAP_DMA_BASE + 0x404)
#define OMAP_DMA_GRST (OMAP_DMA_BASE + 0x408)
#define OMAP_DMA_HW_ID (OMAP_DMA_BASE + 0x442)
#define OMAP_DMA_PCH2_ID (OMAP_DMA_BASE + 0x444)
#define OMAP_DMA_PCH0_ID (OMAP_DMA_BASE + 0x446)
#define OMAP_DMA_PCH1_ID (OMAP_DMA_BASE + 0x448)
#define OMAP_DMA_PCHG_ID (OMAP_DMA_BASE + 0x44a)
#define OMAP_DMA_PCHD_ID (OMAP_DMA_BASE + 0x44c)
#define OMAP_DMA_CAPS_0_U (OMAP_DMA_BASE + 0x44e)
#define OMAP_DMA_CAPS_0_L (OMAP_DMA_BASE + 0x450)
#define OMAP_DMA_CAPS_1_U (OMAP_DMA_BASE + 0x452)
#define OMAP_DMA_CAPS_1_L (OMAP_DMA_BASE + 0x454)
#define OMAP_DMA_CAPS_2 (OMAP_DMA_BASE + 0x456)
#define OMAP_DMA_CAPS_3 (OMAP_DMA_BASE + 0x458)
#define OMAP_DMA_CAPS_4 (OMAP_DMA_BASE + 0x45a)
#define OMAP_DMA_PCH2_SR (OMAP_DMA_BASE + 0x460)
#define OMAP_DMA_PCH0_SR (OMAP_DMA_BASE + 0x480)
#define OMAP_DMA_PCH1_SR (OMAP_DMA_BASE + 0x482)
#define OMAP_DMA_PCHD_SR (OMAP_DMA_BASE + 0x4c0)
/* Hardware registers for omap2 */
#define OMAP24XX_DMA_BASE (L4_24XX_BASE + 0x56000)
#define OMAP_DMA4_REVISION (OMAP24XX_DMA_BASE + 0x00)
#define OMAP_DMA4_GCR_REG (OMAP24XX_DMA_BASE + 0x78)
#define OMAP_DMA4_IRQSTATUS_L0 (OMAP24XX_DMA_BASE + 0x08)
#define OMAP_DMA4_IRQSTATUS_L1 (OMAP24XX_DMA_BASE + 0x0c)
#define OMAP_DMA4_IRQSTATUS_L2 (OMAP24XX_DMA_BASE + 0x10)
#define OMAP_DMA4_IRQSTATUS_L3 (OMAP24XX_DMA_BASE + 0x14)
#define OMAP_DMA4_IRQENABLE_L0 (OMAP24XX_DMA_BASE + 0x18)
#define OMAP_DMA4_IRQENABLE_L1 (OMAP24XX_DMA_BASE + 0x1c)
#define OMAP_DMA4_IRQENABLE_L2 (OMAP24XX_DMA_BASE + 0x20)
#define OMAP_DMA4_IRQENABLE_L3 (OMAP24XX_DMA_BASE + 0x24)
#define OMAP_DMA4_SYSSTATUS (OMAP24XX_DMA_BASE + 0x28)
#define OMAP_DMA4_CAPS_0 (OMAP24XX_DMA_BASE + 0x64)
#define OMAP_DMA4_CAPS_2 (OMAP24XX_DMA_BASE + 0x6c)
#define OMAP_DMA4_CAPS_3 (OMAP24XX_DMA_BASE + 0x70)
#define OMAP_DMA4_CAPS_4 (OMAP24XX_DMA_BASE + 0x74)
#ifdef CONFIG_ARCH_OMAP1
#define OMAP_LOGICAL_DMA_CH_COUNT 17
/* Common channel specific registers for omap1 */
#define OMAP_DMA_CSDP_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x00)
#define OMAP_DMA_CCR_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x02)
#define OMAP_DMA_CICR_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x04)
#define OMAP_DMA_CSR_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x06)
#define OMAP_DMA_CEN_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x10)
#define OMAP_DMA_CFN_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x12)
#define OMAP_DMA_CSFI_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x14)
#define OMAP_DMA_CSEI_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x16)
#define OMAP_DMA_CSAC_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x18)
#define OMAP_DMA_CDAC_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x1a)
#define OMAP_DMA_CDEI_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x1c)
#define OMAP_DMA_CDFI_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x1e)
#define OMAP_DMA_CLNK_CTRL_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x28)
#else
#define OMAP_LOGICAL_DMA_CH_COUNT 32 /* REVISIT: Is this 32 + 2? */
/* Common channel specific registers for omap2 */
#define OMAP_DMA_CCR_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0x80)
#define OMAP_DMA_CLNK_CTRL_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0x84)
#define OMAP_DMA_CICR_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0x88)
#define OMAP_DMA_CSR_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0x8c)
#define OMAP_DMA_CSDP_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0x90)
#define OMAP_DMA_CEN_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0x94)
#define OMAP_DMA_CFN_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0x98)
#define OMAP_DMA_CSEI_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0xa4)
#define OMAP_DMA_CSFI_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0xa8)
#define OMAP_DMA_CDEI_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0xac)
#define OMAP_DMA_CDFI_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0xb0)
#define OMAP_DMA_CSAC_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0xb4)
#define OMAP_DMA_CDAC_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0xb8)
#endif
/* Channel specific registers only on omap1 */
#define OMAP1_DMA_CSSA_L_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x08)
#define OMAP1_DMA_CSSA_U_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x0a)
#define OMAP1_DMA_CDSA_L_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x0c)
#define OMAP1_DMA_CDSA_U_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x0e)
#define OMAP1_DMA_COLOR_L_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x20)
#define OMAP1_DMA_CCR2_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x24)
#define OMAP1_DMA_COLOR_U_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x22)
#define OMAP1_DMA_LCH_CTRL_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x2a)
/* Channel specific registers only on omap2 */
#define OMAP2_DMA_CSSA_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0x9c)
#define OMAP2_DMA_CDSA_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0xa0)
#define OMAP2_DMA_CCEN_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0xbc)
#define OMAP2_DMA_CCFN_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0xc0)
#define OMAP2_DMA_COLOR_REG(n) __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0xc4)
/*----------------------------------------------------------------------------*/
/* DMA channels for omap1 */
#define OMAP_DMA_NO_DEVICE 0
#define OMAP_DMA_MCSI1_TX 1
#define OMAP_DMA_MCSI1_RX 2
#define OMAP_DMA_I2C_RX 3
#define OMAP_DMA_I2C_TX 4
#define OMAP_DMA_EXT_NDMA_REQ 5
#define OMAP_DMA_EXT_NDMA_REQ2 6
#define OMAP_DMA_UWIRE_TX 7
#define OMAP_DMA_MCBSP1_TX 8
#define OMAP_DMA_MCBSP1_RX 9
#define OMAP_DMA_MCBSP3_TX 10
#define OMAP_DMA_MCBSP3_RX 11
#define OMAP_DMA_UART1_TX 12
#define OMAP_DMA_UART1_RX 13
#define OMAP_DMA_UART2_TX 14
#define OMAP_DMA_UART2_RX 15
#define OMAP_DMA_MCBSP2_TX 16
#define OMAP_DMA_MCBSP2_RX 17
#define OMAP_DMA_UART3_TX 18
#define OMAP_DMA_UART3_RX 19
#define OMAP_DMA_CAMERA_IF_RX 20
#define OMAP_DMA_MMC_TX 21
#define OMAP_DMA_MMC_RX 22
#define OMAP_DMA_NAND 23
#define OMAP_DMA_IRQ_LCD_LINE 24
#define OMAP_DMA_MEMORY_STICK 25
#define OMAP_DMA_USB_W2FC_RX0 26
#define OMAP_DMA_USB_W2FC_RX1 27
#define OMAP_DMA_USB_W2FC_RX2 28
#define OMAP_DMA_USB_W2FC_TX0 29
#define OMAP_DMA_USB_W2FC_TX1 30
#define OMAP_DMA_USB_W2FC_TX2 31
/* These are only for 1610 */
#define OMAP_DMA_CRYPTO_DES_IN 32
#define OMAP_DMA_SPI_TX 33
#define OMAP_DMA_SPI_RX 34
#define OMAP_DMA_CRYPTO_HASH 35
#define OMAP_DMA_CCP_ATTN 36
#define OMAP_DMA_CCP_FIFO_NOT_EMPTY 37
#define OMAP_DMA_CMT_APE_TX_CHAN_0 38
#define OMAP_DMA_CMT_APE_RV_CHAN_0 39
#define OMAP_DMA_CMT_APE_TX_CHAN_1 40
#define OMAP_DMA_CMT_APE_RV_CHAN_1 41
#define OMAP_DMA_CMT_APE_TX_CHAN_2 42
#define OMAP_DMA_CMT_APE_RV_CHAN_2 43
#define OMAP_DMA_CMT_APE_TX_CHAN_3 44
#define OMAP_DMA_CMT_APE_RV_CHAN_3 45
#define OMAP_DMA_CMT_APE_TX_CHAN_4 46
#define OMAP_DMA_CMT_APE_RV_CHAN_4 47
#define OMAP_DMA_CMT_APE_TX_CHAN_5 48
#define OMAP_DMA_CMT_APE_RV_CHAN_5 49
#define OMAP_DMA_CMT_APE_TX_CHAN_6 50
#define OMAP_DMA_CMT_APE_RV_CHAN_6 51
#define OMAP_DMA_CMT_APE_TX_CHAN_7 52
#define OMAP_DMA_CMT_APE_RV_CHAN_7 53
#define OMAP_DMA_MMC2_TX 54
#define OMAP_DMA_MMC2_RX 55
#define OMAP_DMA_CRYPTO_DES_OUT 56
/* DMA channels for 24xx */
#define OMAP24XX_DMA_NO_DEVICE 0
#define OMAP24XX_DMA_XTI_DMA 1 /* S_DMA_0 */
#define OMAP24XX_DMA_EXT_NDMA_REQ0 2 /* S_DMA_1 */
#define OMAP24XX_DMA_EXT_NDMA_REQ1 3 /* S_DMA_2 */
#define OMAP24XX_DMA_GPMC 4 /* S_DMA_3 */
#define OMAP24XX_DMA_GFX 5 /* S_DMA_4 */
#define OMAP24XX_DMA_DSS 6 /* S_DMA_5 */
#define OMAP24XX_DMA_VLYNQ_TX 7 /* S_DMA_6 */
#define OMAP24XX_DMA_CWT 8 /* S_DMA_7 */
#define OMAP24XX_DMA_AES_TX 9 /* S_DMA_8 */
#define OMAP24XX_DMA_AES_RX 10 /* S_DMA_9 */
#define OMAP24XX_DMA_DES_TX 11 /* S_DMA_10 */
#define OMAP24XX_DMA_DES_RX 12 /* S_DMA_11 */
#define OMAP24XX_DMA_SHA1MD5_RX 13 /* S_DMA_12 */
#define OMAP24XX_DMA_EAC_AC_RD 17 /* S_DMA_16 */
#define OMAP24XX_DMA_EAC_AC_WR 18 /* S_DMA_17 */
#define OMAP24XX_DMA_EAC_MD_UL_RD 19 /* S_DMA_18 */
#define OMAP24XX_DMA_EAC_MD_UL_WR 20 /* S_DMA_19 */
#define OMAP24XX_DMA_EAC_MD_DL_RD 21 /* S_DMA_20 */
#define OMAP24XX_DMA_EAC_MD_DL_WR 22 /* S_DMA_21 */
#define OMAP24XX_DMA_EAC_BT_UL_RD 23 /* S_DMA_22 */
#define OMAP24XX_DMA_EAC_BT_UL_WR 24 /* S_DMA_23 */
#define OMAP24XX_DMA_EAC_BT_DL_RD 25 /* S_DMA_24 */
#define OMAP24XX_DMA_EAC_BT_DL_WR 26 /* S_DMA_25 */
#define OMAP24XX_DMA_I2C1_TX 27 /* S_DMA_26 */
#define OMAP24XX_DMA_I2C1_RX 28 /* S_DMA_27 */
#define OMAP24XX_DMA_I2C2_TX 29 /* S_DMA_28 */
#define OMAP24XX_DMA_I2C2_RX 30 /* S_DMA_29 */
#define OMAP24XX_DMA_MCBSP1_TX 31 /* SDMA_30 */
#define OMAP24XX_DMA_MCBSP1_RX 32 /* SDMA_31 */
#define OMAP24XX_DMA_MCBSP2_TX 33 /* SDMA_32 */
#define OMAP24XX_DMA_MCBSP2_RX 34 /* SDMA_33 */
#define OMAP24XX_DMA_SPI1_TX0 35 /* SDMA_34 */
#define OMAP24XX_DMA_SPI1_RX0 36 /* SDMA_35 */
#define OMAP24XX_DMA_SPI1_TX1 37 /* SDMA_36 */
#define OMAP24XX_DMA_SPI1_RX1 38 /* SDMA_37 */
#define OMAP24XX_DMA_SPI1_TX2 39 /* SDMA_38 */
#define OMAP24XX_DMA_SPI1_RX2 40 /* SDMA_39 */
#define OMAP24XX_DMA_SPI1_TX3 41 /* SDMA_40 */
#define OMAP24XX_DMA_SPI1_RX3 42 /* SDMA_41 */
#define OMAP24XX_DMA_SPI2_TX0 43 /* SDMA_42 */
#define OMAP24XX_DMA_SPI2_RX0 44 /* SDMA_43 */
#define OMAP24XX_DMA_SPI2_TX1 45 /* SDMA_44 */
#define OMAP24XX_DMA_SPI2_RX1 46 /* SDMA_45 */
#define OMAP24XX_DMA_UART1_TX 49 /* SDMA_48 */
#define OMAP24XX_DMA_UART1_RX 50 /* SDMA_49 */
#define OMAP24XX_DMA_UART2_TX 51 /* SDMA_50 */
#define OMAP24XX_DMA_UART2_RX 52 /* SDMA_51 */
#define OMAP24XX_DMA_UART3_TX 53 /* SDMA_52 */
#define OMAP24XX_DMA_UART3_RX 54 /* SDMA_53 */
#define OMAP24XX_DMA_USB_W2FC_TX0 55 /* SDMA_54 */
#define OMAP24XX_DMA_USB_W2FC_RX0 56 /* SDMA_55 */
#define OMAP24XX_DMA_USB_W2FC_TX1 57 /* SDMA_56 */
#define OMAP24XX_DMA_USB_W2FC_RX1 58 /* SDMA_57 */
#define OMAP24XX_DMA_USB_W2FC_TX2 59 /* SDMA_58 */
#define OMAP24XX_DMA_USB_W2FC_RX2 60 /* SDMA_59 */
#define OMAP24XX_DMA_MMC1_TX 61 /* SDMA_60 */
#define OMAP24XX_DMA_MMC1_RX 62 /* SDMA_61 */
#define OMAP24XX_DMA_MS 63 /* SDMA_62 */
/*----------------------------------------------------------------------------*/
/* Hardware registers for LCD DMA */
#define OMAP1510_DMA_LCD_BASE (0xfffedb00)
#define OMAP1510_DMA_LCD_CTRL (OMAP1510_DMA_LCD_BASE + 0x00)
#define OMAP1510_DMA_LCD_TOP_F1_L (OMAP1510_DMA_LCD_BASE + 0x02)
#define OMAP1510_DMA_LCD_TOP_F1_U (OMAP1510_DMA_LCD_BASE + 0x04)
#define OMAP1510_DMA_LCD_BOT_F1_L (OMAP1510_DMA_LCD_BASE + 0x06)
#define OMAP1510_DMA_LCD_BOT_F1_U (OMAP1510_DMA_LCD_BASE + 0x08)
#define OMAP1610_DMA_LCD_BASE (0xfffee300)
#define OMAP1610_DMA_LCD_CSDP (OMAP1610_DMA_LCD_BASE + 0xc0)
#define OMAP1610_DMA_LCD_CCR (OMAP1610_DMA_LCD_BASE + 0xc2)
#define OMAP1610_DMA_LCD_CTRL (OMAP1610_DMA_LCD_BASE + 0xc4)
#define OMAP1610_DMA_LCD_TOP_B1_L (OMAP1610_DMA_LCD_BASE + 0xc8)
#define OMAP1610_DMA_LCD_TOP_B1_U (OMAP1610_DMA_LCD_BASE + 0xca)
#define OMAP1610_DMA_LCD_BOT_B1_L (OMAP1610_DMA_LCD_BASE + 0xcc)
#define OMAP1610_DMA_LCD_BOT_B1_U (OMAP1610_DMA_LCD_BASE + 0xce)
#define OMAP1610_DMA_LCD_TOP_B2_L (OMAP1610_DMA_LCD_BASE + 0xd0)
#define OMAP1610_DMA_LCD_TOP_B2_U (OMAP1610_DMA_LCD_BASE + 0xd2)
#define OMAP1610_DMA_LCD_BOT_B2_L (OMAP1610_DMA_LCD_BASE + 0xd4)
#define OMAP1610_DMA_LCD_BOT_B2_U (OMAP1610_DMA_LCD_BASE + 0xd6)
#define OMAP1610_DMA_LCD_SRC_EI_B1 (OMAP1610_DMA_LCD_BASE + 0xd8)
#define OMAP1610_DMA_LCD_SRC_FI_B1_L (OMAP1610_DMA_LCD_BASE + 0xda)
#define OMAP1610_DMA_LCD_SRC_EN_B1 (OMAP1610_DMA_LCD_BASE + 0xe0)
#define OMAP1610_DMA_LCD_SRC_FN_B1 (OMAP1610_DMA_LCD_BASE + 0xe4)
#define OMAP1610_DMA_LCD_LCH_CTRL (OMAP1610_DMA_LCD_BASE + 0xea)
#define OMAP1610_DMA_LCD_SRC_FI_B1_U (OMAP1610_DMA_LCD_BASE + 0xf4)
#define OMAP_DMA_TOUT_IRQ (1 << 0) /* Only on omap1 */
#define OMAP_DMA_DROP_IRQ (1 << 1)
#define OMAP_DMA_HALF_IRQ (1 << 2)
#define OMAP_DMA_FRAME_IRQ (1 << 3)
#define OMAP_DMA_LAST_IRQ (1 << 4)
#define OMAP_DMA_BLOCK_IRQ (1 << 5)
#define OMAP1_DMA_SYNC_IRQ (1 << 6)
#define OMAP2_DMA_PKT_IRQ (1 << 7)
#define OMAP2_DMA_TRANS_ERR_IRQ (1 << 8)
#define OMAP2_DMA_SECURE_ERR_IRQ (1 << 9)
#define OMAP2_DMA_SUPERVISOR_ERR_IRQ (1 << 10)
#define OMAP2_DMA_MISALIGNED_ERR_IRQ (1 << 11)
#define OMAP_DMA_DATA_TYPE_S8 0x00
#define OMAP_DMA_DATA_TYPE_S16 0x01
#define OMAP_DMA_DATA_TYPE_S32 0x02
#define OMAP_DMA_SYNC_ELEMENT 0x00
#define OMAP_DMA_SYNC_FRAME 0x01
#define OMAP_DMA_SYNC_BLOCK 0x02
#define OMAP_DMA_PORT_EMIFF 0x00
#define OMAP_DMA_PORT_EMIFS 0x01
#define OMAP_DMA_PORT_OCP_T1 0x02
#define OMAP_DMA_PORT_TIPB 0x03
#define OMAP_DMA_PORT_OCP_T2 0x04
#define OMAP_DMA_PORT_MPUI 0x05
#define OMAP_DMA_AMODE_CONSTANT 0x00
#define OMAP_DMA_AMODE_POST_INC 0x01
#define OMAP_DMA_AMODE_SINGLE_IDX 0x02
#define OMAP_DMA_AMODE_DOUBLE_IDX 0x03
/* LCD DMA block numbers */
enum {
OMAP_LCD_DMA_B1_TOP,
OMAP_LCD_DMA_B1_BOTTOM,
OMAP_LCD_DMA_B2_TOP,
OMAP_LCD_DMA_B2_BOTTOM
};
/* REVISIT: Check if BURST_4 is really 1 (or 2) */
enum omap_dma_burst_mode {
OMAP_DMA_DATA_BURST_DIS = 0,
OMAP_DMA_DATA_BURST_4,
OMAP_DMA_DATA_BURST_8
};
enum omap_dma_color_mode {
OMAP_DMA_COLOR_DIS = 0,
OMAP_DMA_CONSTANT_FILL,
OMAP_DMA_TRANSPARENT_COPY
};
struct omap_dma_channel_params {
int data_type; /* data type 8,16,32 */
int elem_count; /* number of elements in a frame */
int frame_count; /* number of frames in a element */
int src_port; /* Only on OMAP1 REVISIT: Is this needed? */
int src_amode; /* constant , post increment, indexed , double indexed */
int src_start; /* source address : physical */
int src_ei; /* source element index */
int src_fi; /* source frame index */
int dst_port; /* Only on OMAP1 REVISIT: Is this needed? */
int dst_amode; /* constant , post increment, indexed , double indexed */
int dst_start; /* source address : physical */
int dst_ei; /* source element index */
int dst_fi; /* source frame index */
int trigger; /* trigger attached if the channel is synchronized */
int sync_mode; /* sycn on element, frame , block or packet */
int src_or_dst_synch; /* source synch(1) or destination synch(0) */
int ie; /* interrupt enabled */
};
extern void omap_set_dma_priority(int dst_port, int priority);
extern int omap_request_dma(int dev_id, const char *dev_name,
void (* callback)(int lch, u16 ch_status, void *data),
void *data, int *dma_ch);
extern void omap_enable_dma_irq(int ch, u16 irq_bits);
extern void omap_disable_dma_irq(int ch, u16 irq_bits);
extern void omap_free_dma(int ch);
extern void omap_start_dma(int lch);
extern void omap_stop_dma(int lch);
extern void omap_set_dma_transfer_params(int lch, int data_type,
int elem_count, int frame_count,
int sync_mode,
int dma_trigger, int src_or_dst_synch);
extern void omap_set_dma_color_mode(int lch, enum omap_dma_color_mode mode,
u32 color);
extern void omap_set_dma_src_params(int lch, int src_port, int src_amode,
unsigned long src_start,
int src_ei, int src_fi);
extern void omap_set_dma_src_index(int lch, int eidx, int fidx);
extern void omap_set_dma_src_data_pack(int lch, int enable);
extern void omap_set_dma_src_burst_mode(int lch,
enum omap_dma_burst_mode burst_mode);
extern void omap_set_dma_dest_params(int lch, int dest_port, int dest_amode,
unsigned long dest_start,
int dst_ei, int dst_fi);
extern void omap_set_dma_dest_index(int lch, int eidx, int fidx);
extern void omap_set_dma_dest_data_pack(int lch, int enable);
extern void omap_set_dma_dest_burst_mode(int lch,
enum omap_dma_burst_mode burst_mode);
extern void omap_set_dma_params(int lch,
struct omap_dma_channel_params * params);
extern void omap_dma_link_lch (int lch_head, int lch_queue);
extern void omap_dma_unlink_lch (int lch_head, int lch_queue);
extern dma_addr_t omap_get_dma_src_pos(int lch);
extern dma_addr_t omap_get_dma_dst_pos(int lch);
extern int omap_get_dma_src_addr_counter(int lch);
extern void omap_clear_dma(int lch);
extern int omap_dma_running(void);
/* LCD DMA functions */
extern int omap_request_lcd_dma(void (* callback)(u16 status, void *data),
void *data);
extern void omap_free_lcd_dma(void);
extern void omap_setup_lcd_dma(void);
extern void omap_enable_lcd_dma(void);
extern void omap_stop_lcd_dma(void);
extern void omap_set_lcd_dma_ext_controller(int external);
extern void omap_set_lcd_dma_single_transfer(int single);
extern void omap_set_lcd_dma_b1(unsigned long addr, u16 fb_xres, u16 fb_yres,
int data_type);
extern void omap_set_lcd_dma_b1_rotation(int rotate);
extern void omap_set_lcd_dma_b1_vxres(unsigned long vxres);
extern void omap_set_lcd_dma_b1_mirror(int mirror);
extern void omap_set_lcd_dma_b1_scale(unsigned int xscale, unsigned int yscale);
#endif /* __ASM_ARCH_DMA_H */
|
