2 * arch/arm/plat-omap/include/mach/dma.h
4 * Copyright (C) 2003 Nokia Corporation
5 * Author: Juha Yrjölä <juha.yrjola@nokia.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
15 * GNU General Public License for more details.
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 #ifndef __ASM_ARCH_DMA_H
22 #define __ASM_ARCH_DMA_H
24 /* Hardware registers for omap1 */
25 #define OMAP1_DMA_BASE (0xfffed800)
27 #define OMAP1_DMA_GCR 0x400
28 #define OMAP1_DMA_GSCR 0x404
29 #define OMAP1_DMA_GRST 0x408
30 #define OMAP1_DMA_HW_ID 0x442
31 #define OMAP1_DMA_PCH2_ID 0x444
32 #define OMAP1_DMA_PCH0_ID 0x446
33 #define OMAP1_DMA_PCH1_ID 0x448
34 #define OMAP1_DMA_PCHG_ID 0x44a
35 #define OMAP1_DMA_PCHD_ID 0x44c
36 #define OMAP1_DMA_CAPS_0_U 0x44e
37 #define OMAP1_DMA_CAPS_0_L 0x450
38 #define OMAP1_DMA_CAPS_1_U 0x452
39 #define OMAP1_DMA_CAPS_1_L 0x454
40 #define OMAP1_DMA_CAPS_2 0x456
41 #define OMAP1_DMA_CAPS_3 0x458
42 #define OMAP1_DMA_CAPS_4 0x45a
43 #define OMAP1_DMA_PCH2_SR 0x460
44 #define OMAP1_DMA_PCH0_SR 0x480
45 #define OMAP1_DMA_PCH1_SR 0x482
46 #define OMAP1_DMA_PCHD_SR 0x4c0
48 /* Hardware registers for omap2 and omap3 */
49 #define OMAP24XX_DMA4_BASE (L4_24XX_BASE + 0x56000)
50 #define OMAP34XX_DMA4_BASE (L4_34XX_BASE + 0x56000)
51 #define OMAP44XX_DMA4_BASE (L4_44XX_BASE + 0x56000)
53 #define OMAP_DMA4_REVISION 0x00
54 #define OMAP_DMA4_GCR 0x78
55 #define OMAP_DMA4_IRQSTATUS_L0 0x08
56 #define OMAP_DMA4_IRQSTATUS_L1 0x0c
57 #define OMAP_DMA4_IRQSTATUS_L2 0x10
58 #define OMAP_DMA4_IRQSTATUS_L3 0x14
59 #define OMAP_DMA4_IRQENABLE_L0 0x18
60 #define OMAP_DMA4_IRQENABLE_L1 0x1c
61 #define OMAP_DMA4_IRQENABLE_L2 0x20
62 #define OMAP_DMA4_IRQENABLE_L3 0x24
63 #define OMAP_DMA4_SYSSTATUS 0x28
64 #define OMAP_DMA4_OCP_SYSCONFIG 0x2c
65 #define OMAP_DMA4_CAPS_0 0x64
66 #define OMAP_DMA4_CAPS_2 0x6c
67 #define OMAP_DMA4_CAPS_3 0x70
68 #define OMAP_DMA4_CAPS_4 0x74
70 #define OMAP1_LOGICAL_DMA_CH_COUNT 17
71 #define OMAP_DMA4_LOGICAL_DMA_CH_COUNT 32 /* REVISIT: Is this 32 + 2? */
73 /* Common channel specific registers for omap1 */
74 #define OMAP1_DMA_CH_BASE(n) (0x40 * (n) + 0x00)
75 #define OMAP1_DMA_CSDP(n) (0x40 * (n) + 0x00)
76 #define OMAP1_DMA_CCR(n) (0x40 * (n) + 0x02)
77 #define OMAP1_DMA_CICR(n) (0x40 * (n) + 0x04)
78 #define OMAP1_DMA_CSR(n) (0x40 * (n) + 0x06)
79 #define OMAP1_DMA_CEN(n) (0x40 * (n) + 0x10)
80 #define OMAP1_DMA_CFN(n) (0x40 * (n) + 0x12)
81 #define OMAP1_DMA_CSFI(n) (0x40 * (n) + 0x14)
82 #define OMAP1_DMA_CSEI(n) (0x40 * (n) + 0x16)
83 #define OMAP1_DMA_CPC(n) (0x40 * (n) + 0x18) /* 15xx only */
84 #define OMAP1_DMA_CSAC(n) (0x40 * (n) + 0x18)
85 #define OMAP1_DMA_CDAC(n) (0x40 * (n) + 0x1a)
86 #define OMAP1_DMA_CDEI(n) (0x40 * (n) + 0x1c)
87 #define OMAP1_DMA_CDFI(n) (0x40 * (n) + 0x1e)
88 #define OMAP1_DMA_CLNK_CTRL(n) (0x40 * (n) + 0x28)
90 /* Common channel specific registers for omap2 */
91 #define OMAP_DMA4_CH_BASE(n) (0x60 * (n) + 0x80)
92 #define OMAP_DMA4_CCR(n) (0x60 * (n) + 0x80)
93 #define OMAP_DMA4_CLNK_CTRL(n) (0x60 * (n) + 0x84)
94 #define OMAP_DMA4_CICR(n) (0x60 * (n) + 0x88)
95 #define OMAP_DMA4_CSR(n) (0x60 * (n) + 0x8c)
96 #define OMAP_DMA4_CSDP(n) (0x60 * (n) + 0x90)
97 #define OMAP_DMA4_CEN(n) (0x60 * (n) + 0x94)
98 #define OMAP_DMA4_CFN(n) (0x60 * (n) + 0x98)
99 #define OMAP_DMA4_CSEI(n) (0x60 * (n) + 0xa4)
100 #define OMAP_DMA4_CSFI(n) (0x60 * (n) + 0xa8)
101 #define OMAP_DMA4_CDEI(n) (0x60 * (n) + 0xac)
102 #define OMAP_DMA4_CDFI(n) (0x60 * (n) + 0xb0)
103 #define OMAP_DMA4_CSAC(n) (0x60 * (n) + 0xb4)
104 #define OMAP_DMA4_CDAC(n) (0x60 * (n) + 0xb8)
106 /* Channel specific registers only on omap1 */
107 #define OMAP1_DMA_CSSA_L(n) (0x40 * (n) + 0x08)
108 #define OMAP1_DMA_CSSA_U(n) (0x40 * (n) + 0x0a)
109 #define OMAP1_DMA_CDSA_L(n) (0x40 * (n) + 0x0c)
110 #define OMAP1_DMA_CDSA_U(n) (0x40 * (n) + 0x0e)
111 #define OMAP1_DMA_COLOR_L(n) (0x40 * (n) + 0x20)
112 #define OMAP1_DMA_COLOR_U(n) (0x40 * (n) + 0x22)
113 #define OMAP1_DMA_CCR2(n) (0x40 * (n) + 0x24)
114 #define OMAP1_DMA_LCH_CTRL(n) (0x40 * (n) + 0x2a) /* not on 15xx */
115 #define OMAP1_DMA_CCEN(n) 0
116 #define OMAP1_DMA_CCFN(n) 0
118 /* Channel specific registers only on omap2 */
119 #define OMAP_DMA4_CSSA(n) (0x60 * (n) + 0x9c)
120 #define OMAP_DMA4_CDSA(n) (0x60 * (n) + 0xa0)
121 #define OMAP_DMA4_CCEN(n) (0x60 * (n) + 0xbc)
122 #define OMAP_DMA4_CCFN(n) (0x60 * (n) + 0xc0)
123 #define OMAP_DMA4_COLOR(n) (0x60 * (n) + 0xc4)
125 /* Additional registers available on OMAP4 */
126 #define OMAP_DMA4_CDP(n) (0x60 * (n) + 0xd0)
127 #define OMAP_DMA4_CNDP(n) (0x60 * (n) + 0xd4)
128 #define OMAP_DMA4_CCDN(n) (0x60 * (n) + 0xd8)
130 /* Dummy defines to keep multi-omap compiles happy */
131 #define OMAP1_DMA_REVISION 0
132 #define OMAP1_DMA_IRQSTATUS_L0 0
133 #define OMAP1_DMA_IRQENABLE_L0 0
134 #define OMAP1_DMA_OCP_SYSCONFIG 0
135 #define OMAP_DMA4_HW_ID 0
136 #define OMAP_DMA4_CAPS_0_L 0
137 #define OMAP_DMA4_CAPS_0_U 0
138 #define OMAP_DMA4_CAPS_1_L 0
139 #define OMAP_DMA4_CAPS_1_U 0
140 #define OMAP_DMA4_GSCR 0
141 #define OMAP_DMA4_CPC(n) 0
143 #define OMAP_DMA4_LCH_CTRL(n) 0
144 #define OMAP_DMA4_COLOR_L(n) 0
145 #define OMAP_DMA4_COLOR_U(n) 0
146 #define OMAP_DMA4_CCR2(n) 0
147 #define OMAP1_DMA_CSSA(n) 0
148 #define OMAP1_DMA_CDSA(n) 0
149 #define OMAP_DMA4_CSSA_L(n) 0
150 #define OMAP_DMA4_CSSA_U(n) 0
151 #define OMAP_DMA4_CDSA_L(n) 0
152 #define OMAP_DMA4_CDSA_U(n) 0
153 #define OMAP1_DMA_COLOR(n) 0
155 /*----------------------------------------------------------------------------*/
157 /* DMA channels for omap1 */
158 #define OMAP_DMA_NO_DEVICE 0
159 #define OMAP_DMA_MCSI1_TX 1
160 #define OMAP_DMA_MCSI1_RX 2
161 #define OMAP_DMA_I2C_RX 3
162 #define OMAP_DMA_I2C_TX 4
163 #define OMAP_DMA_EXT_NDMA_REQ 5
164 #define OMAP_DMA_EXT_NDMA_REQ2 6
165 #define OMAP_DMA_UWIRE_TX 7
166 #define OMAP_DMA_MCBSP1_TX 8
167 #define OMAP_DMA_MCBSP1_RX 9
168 #define OMAP_DMA_MCBSP3_TX 10
169 #define OMAP_DMA_MCBSP3_RX 11
170 #define OMAP_DMA_UART1_TX 12
171 #define OMAP_DMA_UART1_RX 13
172 #define OMAP_DMA_UART2_TX 14
173 #define OMAP_DMA_UART2_RX 15
174 #define OMAP_DMA_MCBSP2_TX 16
175 #define OMAP_DMA_MCBSP2_RX 17
176 #define OMAP_DMA_UART3_TX 18
177 #define OMAP_DMA_UART3_RX 19
178 #define OMAP_DMA_CAMERA_IF_RX 20
179 #define OMAP_DMA_MMC_TX 21
180 #define OMAP_DMA_MMC_RX 22
181 #define OMAP_DMA_NAND 23
182 #define OMAP_DMA_IRQ_LCD_LINE 24
183 #define OMAP_DMA_MEMORY_STICK 25
184 #define OMAP_DMA_USB_W2FC_RX0 26
185 #define OMAP_DMA_USB_W2FC_RX1 27
186 #define OMAP_DMA_USB_W2FC_RX2 28
187 #define OMAP_DMA_USB_W2FC_TX0 29
188 #define OMAP_DMA_USB_W2FC_TX1 30
189 #define OMAP_DMA_USB_W2FC_TX2 31
191 /* These are only for 1610 */
192 #define OMAP_DMA_CRYPTO_DES_IN 32
193 #define OMAP_DMA_SPI_TX 33
194 #define OMAP_DMA_SPI_RX 34
195 #define OMAP_DMA_CRYPTO_HASH 35
196 #define OMAP_DMA_CCP_ATTN 36
197 #define OMAP_DMA_CCP_FIFO_NOT_EMPTY 37
198 #define OMAP_DMA_CMT_APE_TX_CHAN_0 38
199 #define OMAP_DMA_CMT_APE_RV_CHAN_0 39
200 #define OMAP_DMA_CMT_APE_TX_CHAN_1 40
201 #define OMAP_DMA_CMT_APE_RV_CHAN_1 41
202 #define OMAP_DMA_CMT_APE_TX_CHAN_2 42
203 #define OMAP_DMA_CMT_APE_RV_CHAN_2 43
204 #define OMAP_DMA_CMT_APE_TX_CHAN_3 44
205 #define OMAP_DMA_CMT_APE_RV_CHAN_3 45
206 #define OMAP_DMA_CMT_APE_TX_CHAN_4 46
207 #define OMAP_DMA_CMT_APE_RV_CHAN_4 47
208 #define OMAP_DMA_CMT_APE_TX_CHAN_5 48
209 #define OMAP_DMA_CMT_APE_RV_CHAN_5 49
210 #define OMAP_DMA_CMT_APE_TX_CHAN_6 50
211 #define OMAP_DMA_CMT_APE_RV_CHAN_6 51
212 #define OMAP_DMA_CMT_APE_TX_CHAN_7 52
213 #define OMAP_DMA_CMT_APE_RV_CHAN_7 53
214 #define OMAP_DMA_MMC2_TX 54
215 #define OMAP_DMA_MMC2_RX 55
216 #define OMAP_DMA_CRYPTO_DES_OUT 56
218 /* DMA channels for 24xx */
219 #define OMAP24XX_DMA_NO_DEVICE 0
220 #define OMAP24XX_DMA_XTI_DMA 1 /* S_DMA_0 */
221 #define OMAP24XX_DMA_EXT_DMAREQ0 2 /* S_DMA_1 */
222 #define OMAP24XX_DMA_EXT_DMAREQ1 3 /* S_DMA_2 */
223 #define OMAP24XX_DMA_GPMC 4 /* S_DMA_3 */
224 #define OMAP24XX_DMA_GFX 5 /* S_DMA_4 */
225 #define OMAP24XX_DMA_DSS 6 /* S_DMA_5 */
226 #define OMAP242X_DMA_VLYNQ_TX 7 /* S_DMA_6 */
227 #define OMAP24XX_DMA_EXT_DMAREQ2 7 /* S_DMA_6 */
228 #define OMAP24XX_DMA_CWT 8 /* S_DMA_7 */
229 #define OMAP24XX_DMA_AES_TX 9 /* S_DMA_8 */
230 #define OMAP24XX_DMA_AES_RX 10 /* S_DMA_9 */
231 #define OMAP24XX_DMA_DES_TX 11 /* S_DMA_10 */
232 #define OMAP24XX_DMA_DES_RX 12 /* S_DMA_11 */
233 #define OMAP24XX_DMA_SHA1MD5_RX 13 /* S_DMA_12 */
234 #define OMAP34XX_DMA_SHA2MD5_RX 13 /* S_DMA_12 */
235 #define OMAP242X_DMA_EXT_DMAREQ2 14 /* S_DMA_13 */
236 #define OMAP242X_DMA_EXT_DMAREQ3 15 /* S_DMA_14 */
237 #define OMAP242X_DMA_EXT_DMAREQ4 16 /* S_DMA_15 */
238 #define OMAP242X_DMA_EAC_AC_RD 17 /* S_DMA_16 */
239 #define OMAP242X_DMA_EAC_AC_WR 18 /* S_DMA_17 */
240 #define OMAP242X_DMA_EAC_MD_UL_RD 19 /* S_DMA_18 */
241 #define OMAP242X_DMA_EAC_MD_UL_WR 20 /* S_DMA_19 */
242 #define OMAP242X_DMA_EAC_MD_DL_RD 21 /* S_DMA_20 */
243 #define OMAP242X_DMA_EAC_MD_DL_WR 22 /* S_DMA_21 */
244 #define OMAP242X_DMA_EAC_BT_UL_RD 23 /* S_DMA_22 */
245 #define OMAP242X_DMA_EAC_BT_UL_WR 24 /* S_DMA_23 */
246 #define OMAP242X_DMA_EAC_BT_DL_RD 25 /* S_DMA_24 */
247 #define OMAP242X_DMA_EAC_BT_DL_WR 26 /* S_DMA_25 */
248 #define OMAP243X_DMA_EXT_DMAREQ3 14 /* S_DMA_13 */
249 #define OMAP24XX_DMA_SPI3_TX0 15 /* S_DMA_14 */
250 #define OMAP24XX_DMA_SPI3_RX0 16 /* S_DMA_15 */
251 #define OMAP24XX_DMA_MCBSP3_TX 17 /* S_DMA_16 */
252 #define OMAP24XX_DMA_MCBSP3_RX 18 /* S_DMA_17 */
253 #define OMAP24XX_DMA_MCBSP4_TX 19 /* S_DMA_18 */
254 #define OMAP24XX_DMA_MCBSP4_RX 20 /* S_DMA_19 */
255 #define OMAP24XX_DMA_MCBSP5_TX 21 /* S_DMA_20 */
256 #define OMAP24XX_DMA_MCBSP5_RX 22 /* S_DMA_21 */
257 #define OMAP24XX_DMA_SPI3_TX1 23 /* S_DMA_22 */
258 #define OMAP24XX_DMA_SPI3_RX1 24 /* S_DMA_23 */
259 #define OMAP243X_DMA_EXT_DMAREQ4 25 /* S_DMA_24 */
260 #define OMAP243X_DMA_EXT_DMAREQ5 26 /* S_DMA_25 */
261 #define OMAP34XX_DMA_I2C3_TX 25 /* S_DMA_24 */
262 #define OMAP34XX_DMA_I2C3_RX 26 /* S_DMA_25 */
263 #define OMAP24XX_DMA_I2C1_TX 27 /* S_DMA_26 */
264 #define OMAP24XX_DMA_I2C1_RX 28 /* S_DMA_27 */
265 #define OMAP24XX_DMA_I2C2_TX 29 /* S_DMA_28 */
266 #define OMAP24XX_DMA_I2C2_RX 30 /* S_DMA_29 */
267 #define OMAP24XX_DMA_MCBSP1_TX 31 /* S_DMA_30 */
268 #define OMAP24XX_DMA_MCBSP1_RX 32 /* S_DMA_31 */
269 #define OMAP24XX_DMA_MCBSP2_TX 33 /* S_DMA_32 */
270 #define OMAP24XX_DMA_MCBSP2_RX 34 /* S_DMA_33 */
271 #define OMAP24XX_DMA_SPI1_TX0 35 /* S_DMA_34 */
272 #define OMAP24XX_DMA_SPI1_RX0 36 /* S_DMA_35 */
273 #define OMAP24XX_DMA_SPI1_TX1 37 /* S_DMA_36 */
274 #define OMAP24XX_DMA_SPI1_RX1 38 /* S_DMA_37 */
275 #define OMAP24XX_DMA_SPI1_TX2 39 /* S_DMA_38 */
276 #define OMAP24XX_DMA_SPI1_RX2 40 /* S_DMA_39 */
277 #define OMAP24XX_DMA_SPI1_TX3 41 /* S_DMA_40 */
278 #define OMAP24XX_DMA_SPI1_RX3 42 /* S_DMA_41 */
279 #define OMAP24XX_DMA_SPI2_TX0 43 /* S_DMA_42 */
280 #define OMAP24XX_DMA_SPI2_RX0 44 /* S_DMA_43 */
281 #define OMAP24XX_DMA_SPI2_TX1 45 /* S_DMA_44 */
282 #define OMAP24XX_DMA_SPI2_RX1 46 /* S_DMA_45 */
283 #define OMAP24XX_DMA_MMC2_TX 47 /* S_DMA_46 */
284 #define OMAP24XX_DMA_MMC2_RX 48 /* S_DMA_47 */
285 #define OMAP24XX_DMA_UART1_TX 49 /* S_DMA_48 */
286 #define OMAP24XX_DMA_UART1_RX 50 /* S_DMA_49 */
287 #define OMAP24XX_DMA_UART2_TX 51 /* S_DMA_50 */
288 #define OMAP24XX_DMA_UART2_RX 52 /* S_DMA_51 */
289 #define OMAP24XX_DMA_UART3_TX 53 /* S_DMA_52 */
290 #define OMAP24XX_DMA_UART3_RX 54 /* S_DMA_53 */
291 #define OMAP24XX_DMA_USB_W2FC_TX0 55 /* S_DMA_54 */
292 #define OMAP24XX_DMA_USB_W2FC_RX0 56 /* S_DMA_55 */
293 #define OMAP24XX_DMA_USB_W2FC_TX1 57 /* S_DMA_56 */
294 #define OMAP24XX_DMA_USB_W2FC_RX1 58 /* S_DMA_57 */
295 #define OMAP24XX_DMA_USB_W2FC_TX2 59 /* S_DMA_58 */
296 #define OMAP24XX_DMA_USB_W2FC_RX2 60 /* S_DMA_59 */
297 #define OMAP24XX_DMA_MMC1_TX 61 /* S_DMA_60 */
298 #define OMAP24XX_DMA_MMC1_RX 62 /* S_DMA_61 */
299 #define OMAP24XX_DMA_MS 63 /* S_DMA_62 */
300 #define OMAP242X_DMA_EXT_DMAREQ5 64 /* S_DMA_63 */
301 #define OMAP243X_DMA_EXT_DMAREQ6 64 /* S_DMA_63 */
302 #define OMAP34XX_DMA_EXT_DMAREQ3 64 /* S_DMA_63 */
303 #define OMAP34XX_DMA_AES2_TX 65 /* S_DMA_64 */
304 #define OMAP34XX_DMA_AES2_RX 66 /* S_DMA_65 */
305 #define OMAP34XX_DMA_DES2_TX 67 /* S_DMA_66 */
306 #define OMAP34XX_DMA_DES2_RX 68 /* S_DMA_67 */
307 #define OMAP34XX_DMA_SHA1MD5_RX 69 /* S_DMA_68 */
308 #define OMAP34XX_DMA_SPI4_TX0 70 /* S_DMA_69 */
309 #define OMAP34XX_DMA_SPI4_RX0 71 /* S_DMA_70 */
310 #define OMAP34XX_DSS_DMA0 72 /* S_DMA_71 */
311 #define OMAP34XX_DSS_DMA1 73 /* S_DMA_72 */
312 #define OMAP34XX_DSS_DMA2 74 /* S_DMA_73 */
313 #define OMAP34XX_DSS_DMA3 75 /* S_DMA_74 */
314 #define OMAP34XX_DMA_MMC3_TX 77 /* S_DMA_76 */
315 #define OMAP34XX_DMA_MMC3_RX 78 /* S_DMA_77 */
316 #define OMAP34XX_DMA_USIM_TX 79 /* S_DMA_78 */
317 #define OMAP34XX_DMA_USIM_RX 80 /* S_DMA_79 */
319 /* DMA request lines for 44xx */
320 #define OMAP44XX_DMA_DSS_DISPC_REQ 6 /* S_DMA_5 */
321 #define OMAP44XX_DMA_SYS_REQ2 7 /* S_DMA_6 */
322 #define OMAP44XX_DMA_ISS_REQ1 9 /* S_DMA_8 */
323 #define OMAP44XX_DMA_ISS_REQ2 10 /* S_DMA_9 */
324 #define OMAP44XX_DMA_ISS_REQ3 12 /* S_DMA_11 */
325 #define OMAP44XX_DMA_ISS_REQ4 13 /* S_DMA_12 */
326 #define OMAP44XX_DMA_DSS_RFBI_REQ 14 /* S_DMA_13 */
327 #define OMAP44XX_DMA_SPI3_TX0 15 /* S_DMA_14 */
328 #define OMAP44XX_DMA_SPI3_RX0 16 /* S_DMA_15 */
329 #define OMAP44XX_DMA_MCBSP2_TX 17 /* S_DMA_16 */
330 #define OMAP44XX_DMA_MCBSP2_RX 18 /* S_DMA_17 */
331 #define OMAP44XX_DMA_MCBSP3_TX 19 /* S_DMA_18 */
332 #define OMAP44XX_DMA_MCBSP3_RX 20 /* S_DMA_19 */
333 #define OMAP44XX_DMA_SPI3_TX1 23 /* S_DMA_22 */
334 #define OMAP44XX_DMA_SPI3_RX1 24 /* S_DMA_23 */
335 #define OMAP44XX_DMA_I2C3_TX 25 /* S_DMA_24 */
336 #define OMAP44XX_DMA_I2C3_RX 26 /* S_DMA_25 */
337 #define OMAP44XX_DMA_I2C1_TX 27 /* S_DMA_26 */
338 #define OMAP44XX_DMA_I2C1_RX 28 /* S_DMA_27 */
339 #define OMAP44XX_DMA_I2C2_TX 29 /* S_DMA_28 */
340 #define OMAP44XX_DMA_I2C2_RX 30 /* S_DMA_29 */
341 #define OMAP44XX_DMA_MCBSP4_TX 31 /* S_DMA_30 */
342 #define OMAP44XX_DMA_MCBSP4_RX 32 /* S_DMA_31 */
343 #define OMAP44XX_DMA_MCBSP1_TX 33 /* S_DMA_32 */
344 #define OMAP44XX_DMA_MCBSP1_RX 34 /* S_DMA_33 */
345 #define OMAP44XX_DMA_SPI1_TX0 35 /* S_DMA_34 */
346 #define OMAP44XX_DMA_SPI1_RX0 36 /* S_DMA_35 */
347 #define OMAP44XX_DMA_SPI1_TX1 37 /* S_DMA_36 */
348 #define OMAP44XX_DMA_SPI1_RX1 38 /* S_DMA_37 */
349 #define OMAP44XX_DMA_SPI1_TX2 39 /* S_DMA_38 */
350 #define OMAP44XX_DMA_SPI1_RX2 40 /* S_DMA_39 */
351 #define OMAP44XX_DMA_SPI1_TX3 41 /* S_DMA_40 */
352 #define OMAP44XX_DMA_SPI1_RX3 42 /* S_DMA_41 */
353 #define OMAP44XX_DMA_SPI2_TX0 43 /* S_DMA_42 */
354 #define OMAP44XX_DMA_SPI2_RX0 44 /* S_DMA_43 */
355 #define OMAP44XX_DMA_SPI2_TX1 45 /* S_DMA_44 */
356 #define OMAP44XX_DMA_SPI2_RX1 46 /* S_DMA_45 */
357 #define OMAP44XX_DMA_MMC2_TX 47 /* S_DMA_46 */
358 #define OMAP44XX_DMA_MMC2_RX 48 /* S_DMA_47 */
359 #define OMAP44XX_DMA_UART1_TX 49 /* S_DMA_48 */
360 #define OMAP44XX_DMA_UART1_RX 50 /* S_DMA_49 */
361 #define OMAP44XX_DMA_UART2_TX 51 /* S_DMA_50 */
362 #define OMAP44XX_DMA_UART2_RX 52 /* S_DMA_51 */
363 #define OMAP44XX_DMA_UART3_TX 53 /* S_DMA_52 */
364 #define OMAP44XX_DMA_UART3_RX 54 /* S_DMA_53 */
365 #define OMAP44XX_DMA_UART4_TX 55 /* S_DMA_54 */
366 #define OMAP44XX_DMA_UART4_RX 56 /* S_DMA_55 */
367 #define OMAP44XX_DMA_MMC4_TX 57 /* S_DMA_56 */
368 #define OMAP44XX_DMA_MMC4_RX 58 /* S_DMA_57 */
369 #define OMAP44XX_DMA_MMC5_TX 59 /* S_DMA_58 */
370 #define OMAP44XX_DMA_MMC5_RX 60 /* S_DMA_59 */
371 #define OMAP44XX_DMA_MMC1_TX 61 /* S_DMA_60 */
372 #define OMAP44XX_DMA_MMC1_RX 62 /* S_DMA_61 */
373 #define OMAP44XX_DMA_SYS_REQ3 64 /* S_DMA_63 */
374 #define OMAP44XX_DMA_MCPDM_UP 65 /* S_DMA_64 */
375 #define OMAP44XX_DMA_MCPDM_DL 66 /* S_DMA_65 */
376 #define OMAP44XX_DMA_SPI4_TX0 70 /* S_DMA_69 */
377 #define OMAP44XX_DMA_SPI4_RX0 71 /* S_DMA_70 */
378 #define OMAP44XX_DMA_DSS_DSI1_REQ0 72 /* S_DMA_71 */
379 #define OMAP44XX_DMA_DSS_DSI1_REQ1 73 /* S_DMA_72 */
380 #define OMAP44XX_DMA_DSS_DSI1_REQ2 74 /* S_DMA_73 */
381 #define OMAP44XX_DMA_DSS_DSI1_REQ3 75 /* S_DMA_74 */
382 #define OMAP44XX_DMA_DSS_HDMI_REQ 76 /* S_DMA_75 */
383 #define OMAP44XX_DMA_MMC3_TX 77 /* S_DMA_76 */
384 #define OMAP44XX_DMA_MMC3_RX 78 /* S_DMA_77 */
385 #define OMAP44XX_DMA_USIM_TX 79 /* S_DMA_78 */
386 #define OMAP44XX_DMA_USIM_RX 80 /* S_DMA_79 */
387 #define OMAP44XX_DMA_DSS_DSI2_REQ0 81 /* S_DMA_80 */
388 #define OMAP44XX_DMA_DSS_DSI2_REQ1 82 /* S_DMA_81 */
389 #define OMAP44XX_DMA_DSS_DSI2_REQ2 83 /* S_DMA_82 */
390 #define OMAP44XX_DMA_DSS_DSI2_REQ3 84 /* S_DMA_83 */
391 #define OMAP44XX_DMA_ABE_REQ0 101 /* S_DMA_100 */
392 #define OMAP44XX_DMA_ABE_REQ1 102 /* S_DMA_101 */
393 #define OMAP44XX_DMA_ABE_REQ2 103 /* S_DMA_102 */
394 #define OMAP44XX_DMA_ABE_REQ3 104 /* S_DMA_103 */
395 #define OMAP44XX_DMA_ABE_REQ4 105 /* S_DMA_104 */
396 #define OMAP44XX_DMA_ABE_REQ5 106 /* S_DMA_105 */
397 #define OMAP44XX_DMA_ABE_REQ6 107 /* S_DMA_106 */
398 #define OMAP44XX_DMA_ABE_REQ7 108 /* S_DMA_107 */
399 #define OMAP44XX_DMA_I2C4_TX 124 /* S_DMA_123 */
400 #define OMAP44XX_DMA_I2C4_RX 125 /* S_DMA_124 */
402 /*----------------------------------------------------------------------------*/
404 #define OMAP1_DMA_TOUT_IRQ (1 << 0)
405 #define OMAP_DMA_DROP_IRQ (1 << 1)
406 #define OMAP_DMA_HALF_IRQ (1 << 2)
407 #define OMAP_DMA_FRAME_IRQ (1 << 3)
408 #define OMAP_DMA_LAST_IRQ (1 << 4)
409 #define OMAP_DMA_BLOCK_IRQ (1 << 5)
410 #define OMAP1_DMA_SYNC_IRQ (1 << 6)
411 #define OMAP2_DMA_PKT_IRQ (1 << 7)
412 #define OMAP2_DMA_TRANS_ERR_IRQ (1 << 8)
413 #define OMAP2_DMA_SECURE_ERR_IRQ (1 << 9)
414 #define OMAP2_DMA_SUPERVISOR_ERR_IRQ (1 << 10)
415 #define OMAP2_DMA_MISALIGNED_ERR_IRQ (1 << 11)
417 #define OMAP_DMA_CCR_EN (1 << 7)
419 #define OMAP_DMA_DATA_TYPE_S8 0x00
420 #define OMAP_DMA_DATA_TYPE_S16 0x01
421 #define OMAP_DMA_DATA_TYPE_S32 0x02
423 #define OMAP_DMA_SYNC_ELEMENT 0x00
424 #define OMAP_DMA_SYNC_FRAME 0x01
425 #define OMAP_DMA_SYNC_BLOCK 0x02
426 #define OMAP_DMA_SYNC_PACKET 0x03
428 #define OMAP_DMA_SRC_SYNC 0x01
429 #define OMAP_DMA_DST_SYNC 0x00
431 #define OMAP_DMA_PORT_EMIFF 0x00
432 #define OMAP_DMA_PORT_EMIFS 0x01
433 #define OMAP_DMA_PORT_OCP_T1 0x02
434 #define OMAP_DMA_PORT_TIPB 0x03
435 #define OMAP_DMA_PORT_OCP_T2 0x04
436 #define OMAP_DMA_PORT_MPUI 0x05
438 #define OMAP_DMA_AMODE_CONSTANT 0x00
439 #define OMAP_DMA_AMODE_POST_INC 0x01
440 #define OMAP_DMA_AMODE_SINGLE_IDX 0x02
441 #define OMAP_DMA_AMODE_DOUBLE_IDX 0x03
443 #define DMA_DEFAULT_FIFO_DEPTH 0x10
444 #define DMA_DEFAULT_ARB_RATE 0x01
445 /* Pass THREAD_RESERVE ORed with THREAD_FIFO for tparams */
446 #define DMA_THREAD_RESERVE_NORM (0x00 << 12) /* Def */
447 #define DMA_THREAD_RESERVE_ONET (0x01 << 12)
448 #define DMA_THREAD_RESERVE_TWOT (0x02 << 12)
449 #define DMA_THREAD_RESERVE_THREET (0x03 << 12)
450 #define DMA_THREAD_FIFO_NONE (0x00 << 14) /* Def */
451 #define DMA_THREAD_FIFO_75 (0x01 << 14)
452 #define DMA_THREAD_FIFO_25 (0x02 << 14)
453 #define DMA_THREAD_FIFO_50 (0x03 << 14)
455 /* DMA4_OCP_SYSCONFIG bits */
456 #define DMA_SYSCONFIG_MIDLEMODE_MASK (3 << 12)
457 #define DMA_SYSCONFIG_CLOCKACTIVITY_MASK (3 << 8)
458 #define DMA_SYSCONFIG_EMUFREE (1 << 5)
459 #define DMA_SYSCONFIG_SIDLEMODE_MASK (3 << 3)
460 #define DMA_SYSCONFIG_SOFTRESET (1 << 2)
461 #define DMA_SYSCONFIG_AUTOIDLE (1 << 0)
463 #define DMA_SYSCONFIG_MIDLEMODE(n) ((n) << 12)
464 #define DMA_SYSCONFIG_SIDLEMODE(n) ((n) << 3)
466 #define DMA_IDLEMODE_SMARTIDLE 0x2
467 #define DMA_IDLEMODE_NO_IDLE 0x1
468 #define DMA_IDLEMODE_FORCE_IDLE 0x0
471 #ifndef CONFIG_ARCH_OMAP1
472 #define OMAP_DMA_STATIC_CHAIN 0x1
473 #define OMAP_DMA_DYNAMIC_CHAIN 0x2
474 #define OMAP_DMA_CHAIN_ACTIVE 0x1
475 #define OMAP_DMA_CHAIN_INACTIVE 0x0
478 #define DMA_CH_PRIO_HIGH 0x1
479 #define DMA_CH_PRIO_LOW 0x0 /* Def */
481 enum omap_dma_burst_mode
{
482 OMAP_DMA_DATA_BURST_DIS
= 0,
483 OMAP_DMA_DATA_BURST_4
,
484 OMAP_DMA_DATA_BURST_8
,
485 OMAP_DMA_DATA_BURST_16
,
489 OMAP_DMA_LITTLE_ENDIAN
= 0,
493 enum omap_dma_color_mode
{
494 OMAP_DMA_COLOR_DIS
= 0,
495 OMAP_DMA_CONSTANT_FILL
,
496 OMAP_DMA_TRANSPARENT_COPY
499 enum omap_dma_write_mode
{
500 OMAP_DMA_WRITE_NON_POSTED
= 0,
501 OMAP_DMA_WRITE_POSTED
,
502 OMAP_DMA_WRITE_LAST_NON_POSTED
505 enum omap_dma_channel_mode
{
512 struct omap_dma_channel_params
{
513 int data_type
; /* data type 8,16,32 */
514 int elem_count
; /* number of elements in a frame */
515 int frame_count
; /* number of frames in a element */
517 int src_port
; /* Only on OMAP1 REVISIT: Is this needed? */
518 int src_amode
; /* constant, post increment, indexed,
520 unsigned long src_start
; /* source address : physical */
521 int src_ei
; /* source element index */
522 int src_fi
; /* source frame index */
524 int dst_port
; /* Only on OMAP1 REVISIT: Is this needed? */
525 int dst_amode
; /* constant, post increment, indexed,
527 unsigned long dst_start
; /* source address : physical */
528 int dst_ei
; /* source element index */
529 int dst_fi
; /* source frame index */
531 int trigger
; /* trigger attached if the channel is
533 int sync_mode
; /* sycn on element, frame , block or packet */
534 int src_or_dst_synch
; /* source synch(1) or destination synch(0) */
536 int ie
; /* interrupt enabled */
538 unsigned char read_prio
;/* read priority */
539 unsigned char write_prio
;/* write priority */
541 #ifndef CONFIG_ARCH_OMAP1
542 enum omap_dma_burst_mode burst_mode
; /* Burst mode 4/8/16 words */
547 extern void omap_set_dma_priority(int lch
, int dst_port
, int priority
);
548 extern int omap_request_dma(int dev_id
, const char *dev_name
,
549 void (*callback
)(int lch
, u16 ch_status
, void *data
),
550 void *data
, int *dma_ch
);
551 extern void omap_enable_dma_irq(int ch
, u16 irq_bits
);
552 extern void omap_disable_dma_irq(int ch
, u16 irq_bits
);
553 extern void omap_free_dma(int ch
);
554 extern void omap_start_dma(int lch
);
555 extern void omap_stop_dma(int lch
);
556 extern void omap_set_dma_transfer_params(int lch
, int data_type
,
557 int elem_count
, int frame_count
,
559 int dma_trigger
, int src_or_dst_synch
);
560 extern void omap_set_dma_color_mode(int lch
, enum omap_dma_color_mode mode
,
562 extern void omap_set_dma_write_mode(int lch
, enum omap_dma_write_mode mode
);
563 extern void omap_set_dma_channel_mode(int lch
, enum omap_dma_channel_mode mode
);
565 extern void omap_set_dma_src_params(int lch
, int src_port
, int src_amode
,
566 unsigned long src_start
,
567 int src_ei
, int src_fi
);
568 extern void omap_set_dma_src_index(int lch
, int eidx
, int fidx
);
569 extern void omap_set_dma_src_data_pack(int lch
, int enable
);
570 extern void omap_set_dma_src_burst_mode(int lch
,
571 enum omap_dma_burst_mode burst_mode
);
573 extern void omap_set_dma_dest_params(int lch
, int dest_port
, int dest_amode
,
574 unsigned long dest_start
,
575 int dst_ei
, int dst_fi
);
576 extern void omap_set_dma_dest_index(int lch
, int eidx
, int fidx
);
577 extern void omap_set_dma_dest_data_pack(int lch
, int enable
);
578 extern void omap_set_dma_dest_burst_mode(int lch
,
579 enum omap_dma_burst_mode burst_mode
);
581 extern void omap_set_dma_params(int lch
,
582 struct omap_dma_channel_params
*params
);
584 extern void omap_dma_link_lch(int lch_head
, int lch_queue
);
585 extern void omap_dma_unlink_lch(int lch_head
, int lch_queue
);
587 extern int omap_set_dma_callback(int lch
,
588 void (*callback
)(int lch
, u16 ch_status
, void *data
),
590 extern dma_addr_t
omap_get_dma_src_pos(int lch
);
591 extern dma_addr_t
omap_get_dma_dst_pos(int lch
);
592 extern void omap_clear_dma(int lch
);
593 extern int omap_get_dma_active_status(int lch
);
594 extern int omap_dma_running(void);
595 extern void omap_dma_set_global_params(int arb_rate
, int max_fifo_depth
,
597 extern int omap_dma_set_prio_lch(int lch
, unsigned char read_prio
,
598 unsigned char write_prio
);
599 extern void omap_set_dma_dst_endian_type(int lch
, enum end_type etype
);
600 extern void omap_set_dma_src_endian_type(int lch
, enum end_type etype
);
601 extern int omap_get_dma_index(int lch
, int *ei
, int *fi
);
603 void omap_dma_global_context_save(void);
604 void omap_dma_global_context_restore(void);
606 extern void omap_dma_disable_irq(int lch
);
609 #ifndef CONFIG_ARCH_OMAP1
610 extern int omap_request_dma_chain(int dev_id
, const char *dev_name
,
611 void (*callback
) (int lch
, u16 ch_status
,
613 int *chain_id
, int no_of_chans
,
615 struct omap_dma_channel_params params
);
616 extern int omap_free_dma_chain(int chain_id
);
617 extern int omap_dma_chain_a_transfer(int chain_id
, int src_start
,
618 int dest_start
, int elem_count
,
619 int frame_count
, void *callbk_data
);
620 extern int omap_start_dma_chain_transfers(int chain_id
);
621 extern int omap_stop_dma_chain_transfers(int chain_id
);
622 extern int omap_get_dma_chain_index(int chain_id
, int *ei
, int *fi
);
623 extern int omap_get_dma_chain_dst_pos(int chain_id
);
624 extern int omap_get_dma_chain_src_pos(int chain_id
);
626 extern int omap_modify_dma_chain_params(int chain_id
,
627 struct omap_dma_channel_params params
);
628 extern int omap_dma_chain_status(int chain_id
);
631 #if defined(CONFIG_ARCH_OMAP1) && defined(CONFIG_FB_OMAP)
632 #include <mach/lcd_dma.h>
634 static inline int omap_lcd_dma_running(void)
640 #endif /* __ASM_ARCH_DMA_H */