diff options
author | Leo Chen <leochen@broadcom.com> | 2009-08-07 15:07:22 -0400 |
---|---|---|
committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-08-15 11:01:47 -0400 |
commit | 1a4a561bdd838b4455d57edf0deaf83e894d795e (patch) | |
tree | faed9ebba194499cedbfd5d9e702c63f22a9dc58 /arch/arm/mach-bcmring | |
parent | 638ee2db1916de4da144f0ed6d156181ede20a41 (diff) |
ARM: 5658/1: bcmring: add csp dmac header files
add csp dmac header files
Signed-off-by: Leo Chen <leochen@broadcom.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-bcmring')
-rw-r--r-- | arch/arm/mach-bcmring/include/csp/dmacHw.h | 596 | ||||
-rw-r--r-- | arch/arm/mach-bcmring/include/mach/csp/dmacHw_priv.h | 145 | ||||
-rw-r--r-- | arch/arm/mach-bcmring/include/mach/csp/dmacHw_reg.h | 406 |
3 files changed, 1147 insertions, 0 deletions
diff --git a/arch/arm/mach-bcmring/include/csp/dmacHw.h b/arch/arm/mach-bcmring/include/csp/dmacHw.h new file mode 100644 index 000000000000..5d510130a25f --- /dev/null +++ b/arch/arm/mach-bcmring/include/csp/dmacHw.h | |||
@@ -0,0 +1,596 @@ | |||
1 | /***************************************************************************** | ||
2 | * Copyright 2004 - 2008 Broadcom Corporation. All rights reserved. | ||
3 | * | ||
4 | * Unless you and Broadcom execute a separate written software license | ||
5 | * agreement governing use of this software, this software is licensed to you | ||
6 | * under the terms of the GNU General Public License version 2, available at | ||
7 | * http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). | ||
8 | * | ||
9 | * Notwithstanding the above, under no circumstances may you combine this | ||
10 | * software in any way with any other Broadcom software provided under a | ||
11 | * license other than the GPL, without Broadcom's express prior written | ||
12 | * consent. | ||
13 | *****************************************************************************/ | ||
14 | |||
15 | /****************************************************************************/ | ||
16 | /** | ||
17 | * @file dmacHw.h | ||
18 | * | ||
19 | * @brief API definitions for low level DMA controller driver | ||
20 | * | ||
21 | */ | ||
22 | /****************************************************************************/ | ||
23 | #ifndef _DMACHW_H | ||
24 | #define _DMACHW_H | ||
25 | |||
26 | #include <stddef.h> | ||
27 | |||
28 | #include <csp/stdint.h> | ||
29 | #include <mach/csp/dmacHw_reg.h> | ||
30 | |||
31 | /* Define DMA Channel ID using DMA controller number (m) and channel number (c). | ||
32 | |||
33 | System specific channel ID should be defined as follows | ||
34 | |||
35 | For example: | ||
36 | |||
37 | #include <dmacHw.h> | ||
38 | ... | ||
39 | #define systemHw_LCD_CHANNEL_ID dmacHw_MAKE_CHANNEL_ID(0,5) | ||
40 | #define systemHw_SWITCH_RX_CHANNEL_ID dmacHw_MAKE_CHANNEL_ID(0,0) | ||
41 | #define systemHw_SWITCH_TX_CHANNEL_ID dmacHw_MAKE_CHANNEL_ID(0,1) | ||
42 | #define systemHw_APM_RX_CHANNEL_ID dmacHw_MAKE_CHANNEL_ID(0,3) | ||
43 | #define systemHw_APM_TX_CHANNEL_ID dmacHw_MAKE_CHANNEL_ID(0,4) | ||
44 | ... | ||
45 | #define systemHw_SHARED1_CHANNEL_ID dmacHw_MAKE_CHANNEL_ID(1,4) | ||
46 | #define systemHw_SHARED2_CHANNEL_ID dmacHw_MAKE_CHANNEL_ID(1,5) | ||
47 | #define systemHw_SHARED3_CHANNEL_ID dmacHw_MAKE_CHANNEL_ID(0,6) | ||
48 | ... | ||
49 | */ | ||
50 | #define dmacHw_MAKE_CHANNEL_ID(m, c) (m << 8 | c) | ||
51 | |||
52 | typedef enum { | ||
53 | dmacHw_CHANNEL_PRIORITY_0 = dmacHw_REG_CFG_LO_CH_PRIORITY_0, /* Channel priority 0. Lowest priority DMA channel */ | ||
54 | dmacHw_CHANNEL_PRIORITY_1 = dmacHw_REG_CFG_LO_CH_PRIORITY_1, /* Channel priority 1 */ | ||
55 | dmacHw_CHANNEL_PRIORITY_2 = dmacHw_REG_CFG_LO_CH_PRIORITY_2, /* Channel priority 2 */ | ||
56 | dmacHw_CHANNEL_PRIORITY_3 = dmacHw_REG_CFG_LO_CH_PRIORITY_3, /* Channel priority 3 */ | ||
57 | dmacHw_CHANNEL_PRIORITY_4 = dmacHw_REG_CFG_LO_CH_PRIORITY_4, /* Channel priority 4 */ | ||
58 | dmacHw_CHANNEL_PRIORITY_5 = dmacHw_REG_CFG_LO_CH_PRIORITY_5, /* Channel priority 5 */ | ||
59 | dmacHw_CHANNEL_PRIORITY_6 = dmacHw_REG_CFG_LO_CH_PRIORITY_6, /* Channel priority 6 */ | ||
60 | dmacHw_CHANNEL_PRIORITY_7 = dmacHw_REG_CFG_LO_CH_PRIORITY_7 /* Channel priority 7. Highest priority DMA channel */ | ||
61 | } dmacHw_CHANNEL_PRIORITY_e; | ||
62 | |||
63 | /* Source destination master interface */ | ||
64 | typedef enum { | ||
65 | dmacHw_SRC_MASTER_INTERFACE_1 = dmacHw_REG_CTL_SMS_1, /* Source DMA master interface 1 */ | ||
66 | dmacHw_SRC_MASTER_INTERFACE_2 = dmacHw_REG_CTL_SMS_2, /* Source DMA master interface 2 */ | ||
67 | dmacHw_DST_MASTER_INTERFACE_1 = dmacHw_REG_CTL_DMS_1, /* Destination DMA master interface 1 */ | ||
68 | dmacHw_DST_MASTER_INTERFACE_2 = dmacHw_REG_CTL_DMS_2 /* Destination DMA master interface 2 */ | ||
69 | } dmacHw_MASTER_INTERFACE_e; | ||
70 | |||
71 | typedef enum { | ||
72 | dmacHw_SRC_TRANSACTION_WIDTH_8 = dmacHw_REG_CTL_SRC_TR_WIDTH_8, /* Source 8 bit (1 byte) per transaction */ | ||
73 | dmacHw_SRC_TRANSACTION_WIDTH_16 = dmacHw_REG_CTL_SRC_TR_WIDTH_16, /* Source 16 bit (2 byte) per transaction */ | ||
74 | dmacHw_SRC_TRANSACTION_WIDTH_32 = dmacHw_REG_CTL_SRC_TR_WIDTH_32, /* Source 32 bit (4 byte) per transaction */ | ||
75 | dmacHw_SRC_TRANSACTION_WIDTH_64 = dmacHw_REG_CTL_SRC_TR_WIDTH_64, /* Source 64 bit (8 byte) per transaction */ | ||
76 | dmacHw_DST_TRANSACTION_WIDTH_8 = dmacHw_REG_CTL_DST_TR_WIDTH_8, /* Destination 8 bit (1 byte) per transaction */ | ||
77 | dmacHw_DST_TRANSACTION_WIDTH_16 = dmacHw_REG_CTL_DST_TR_WIDTH_16, /* Destination 16 bit (2 byte) per transaction */ | ||
78 | dmacHw_DST_TRANSACTION_WIDTH_32 = dmacHw_REG_CTL_DST_TR_WIDTH_32, /* Destination 32 bit (4 byte) per transaction */ | ||
79 | dmacHw_DST_TRANSACTION_WIDTH_64 = dmacHw_REG_CTL_DST_TR_WIDTH_64 /* Destination 64 bit (8 byte) per transaction */ | ||
80 | } dmacHw_TRANSACTION_WIDTH_e; | ||
81 | |||
82 | typedef enum { | ||
83 | dmacHw_SRC_BURST_WIDTH_0 = dmacHw_REG_CTL_SRC_MSIZE_0, /* Source No burst */ | ||
84 | dmacHw_SRC_BURST_WIDTH_4 = dmacHw_REG_CTL_SRC_MSIZE_4, /* Source 4 X dmacHw_TRANSACTION_WIDTH_xxx bytes per burst */ | ||
85 | dmacHw_SRC_BURST_WIDTH_8 = dmacHw_REG_CTL_SRC_MSIZE_8, /* Source 8 X dmacHw_TRANSACTION_WIDTH_xxx bytes per burst */ | ||
86 | dmacHw_SRC_BURST_WIDTH_16 = dmacHw_REG_CTL_SRC_MSIZE_16, /* Source 16 X dmacHw_TRANSACTION_WIDTH_xxx bytes per burst */ | ||
87 | dmacHw_DST_BURST_WIDTH_0 = dmacHw_REG_CTL_DST_MSIZE_0, /* Destination No burst */ | ||
88 | dmacHw_DST_BURST_WIDTH_4 = dmacHw_REG_CTL_DST_MSIZE_4, /* Destination 4 X dmacHw_TRANSACTION_WIDTH_xxx bytes per burst */ | ||
89 | dmacHw_DST_BURST_WIDTH_8 = dmacHw_REG_CTL_DST_MSIZE_8, /* Destination 8 X dmacHw_TRANSACTION_WIDTH_xxx bytes per burst */ | ||
90 | dmacHw_DST_BURST_WIDTH_16 = dmacHw_REG_CTL_DST_MSIZE_16 /* Destination 16 X dmacHw_TRANSACTION_WIDTH_xxx bytes per burst */ | ||
91 | } dmacHw_BURST_WIDTH_e; | ||
92 | |||
93 | typedef enum { | ||
94 | dmacHw_TRANSFER_TYPE_MEM_TO_MEM = dmacHw_REG_CTL_TTFC_MM_DMAC, /* Memory to memory transfer */ | ||
95 | dmacHw_TRANSFER_TYPE_PERIPHERAL_TO_MEM = dmacHw_REG_CTL_TTFC_PM_DMAC, /* Peripheral to memory transfer */ | ||
96 | dmacHw_TRANSFER_TYPE_MEM_TO_PERIPHERAL = dmacHw_REG_CTL_TTFC_MP_DMAC, /* Memory to peripheral transfer */ | ||
97 | dmacHw_TRANSFER_TYPE_PERIPHERAL_TO_PERIPHERAL = dmacHw_REG_CTL_TTFC_PP_DMAC /* Peripheral to peripheral transfer */ | ||
98 | } dmacHw_TRANSFER_TYPE_e; | ||
99 | |||
100 | typedef enum { | ||
101 | dmacHw_TRANSFER_MODE_PERREQUEST, /* Block transfer per DMA request */ | ||
102 | dmacHw_TRANSFER_MODE_CONTINUOUS, /* Continuous transfer of streaming data */ | ||
103 | dmacHw_TRANSFER_MODE_PERIODIC /* Periodic transfer of streaming data */ | ||
104 | } dmacHw_TRANSFER_MODE_e; | ||
105 | |||
106 | typedef enum { | ||
107 | dmacHw_SRC_ADDRESS_UPDATE_MODE_INC = dmacHw_REG_CTL_SINC_INC, /* Increment source address after every transaction */ | ||
108 | dmacHw_SRC_ADDRESS_UPDATE_MODE_DEC = dmacHw_REG_CTL_SINC_DEC, /* Decrement source address after every transaction */ | ||
109 | dmacHw_DST_ADDRESS_UPDATE_MODE_INC = dmacHw_REG_CTL_DINC_INC, /* Increment destination address after every transaction */ | ||
110 | dmacHw_DST_ADDRESS_UPDATE_MODE_DEC = dmacHw_REG_CTL_DINC_DEC, /* Decrement destination address after every transaction */ | ||
111 | dmacHw_SRC_ADDRESS_UPDATE_MODE_NC = dmacHw_REG_CTL_SINC_NC, /* No change in source address after every transaction */ | ||
112 | dmacHw_DST_ADDRESS_UPDATE_MODE_NC = dmacHw_REG_CTL_DINC_NC /* No change in destination address after every transaction */ | ||
113 | } dmacHw_ADDRESS_UPDATE_MODE_e; | ||
114 | |||
115 | typedef enum { | ||
116 | dmacHw_FLOW_CONTROL_DMA, /* DMA working as flow controller (default) */ | ||
117 | dmacHw_FLOW_CONTROL_PERIPHERAL /* Peripheral working as flow controller */ | ||
118 | } dmacHw_FLOW_CONTROL_e; | ||
119 | |||
120 | typedef enum { | ||
121 | dmacHw_TRANSFER_STATUS_BUSY, /* DMA Transfer ongoing */ | ||
122 | dmacHw_TRANSFER_STATUS_DONE, /* DMA Transfer completed */ | ||
123 | dmacHw_TRANSFER_STATUS_ERROR /* DMA Transfer error */ | ||
124 | } dmacHw_TRANSFER_STATUS_e; | ||
125 | |||
126 | typedef enum { | ||
127 | dmacHw_INTERRUPT_DISABLE, /* Interrupt disable */ | ||
128 | dmacHw_INTERRUPT_ENABLE /* Interrupt enable */ | ||
129 | } dmacHw_INTERRUPT_e; | ||
130 | |||
131 | typedef enum { | ||
132 | dmacHw_INTERRUPT_STATUS_NONE = 0x0, /* No DMA interrupt */ | ||
133 | dmacHw_INTERRUPT_STATUS_TRANS = 0x1, /* End of DMA transfer interrupt */ | ||
134 | dmacHw_INTERRUPT_STATUS_BLOCK = 0x2, /* End of block transfer interrupt */ | ||
135 | dmacHw_INTERRUPT_STATUS_ERROR = 0x4 /* Error interrupt */ | ||
136 | } dmacHw_INTERRUPT_STATUS_e; | ||
137 | |||
138 | typedef enum { | ||
139 | dmacHw_CONTROLLER_ATTRIB_CHANNEL_NUM, /* Number of DMA channel */ | ||
140 | dmacHw_CONTROLLER_ATTRIB_CHANNEL_MAX_BLOCK_SIZE, /* Maximum channel burst size */ | ||
141 | dmacHw_CONTROLLER_ATTRIB_MASTER_INTF_NUM, /* Number of DMA master interface */ | ||
142 | dmacHw_CONTROLLER_ATTRIB_CHANNEL_BUS_WIDTH, /* Channel Data bus width */ | ||
143 | dmacHw_CONTROLLER_ATTRIB_CHANNEL_FIFO_SIZE /* Channel FIFO size */ | ||
144 | } dmacHw_CONTROLLER_ATTRIB_e; | ||
145 | |||
146 | typedef unsigned long dmacHw_HANDLE_t; /* DMA channel handle */ | ||
147 | typedef uint32_t dmacHw_ID_t; /* DMA channel Id. Must be created using | ||
148 | "dmacHw_MAKE_CHANNEL_ID" macro | ||
149 | */ | ||
150 | /* DMA channel configuration parameters */ | ||
151 | typedef struct { | ||
152 | uint32_t srcPeripheralPort; /* Source peripheral port */ | ||
153 | uint32_t dstPeripheralPort; /* Destination peripheral port */ | ||
154 | uint32_t srcStatusRegisterAddress; /* Source status register address */ | ||
155 | uint32_t dstStatusRegisterAddress; /* Destination status register address of type */ | ||
156 | |||
157 | uint32_t srcGatherWidth; /* Number of bytes gathered before successive gather opearation */ | ||
158 | uint32_t srcGatherJump; /* Number of bytes jumpped before successive gather opearation */ | ||
159 | uint32_t dstScatterWidth; /* Number of bytes sacattered before successive scatter opearation */ | ||
160 | uint32_t dstScatterJump; /* Number of bytes jumpped before successive scatter opearation */ | ||
161 | uint32_t maxDataPerBlock; /* Maximum number of bytes to be transferred per block/descrptor. | ||
162 | 0 = Maximum possible. | ||
163 | */ | ||
164 | |||
165 | dmacHw_ADDRESS_UPDATE_MODE_e srcUpdate; /* Source address update mode */ | ||
166 | dmacHw_ADDRESS_UPDATE_MODE_e dstUpdate; /* Destination address update mode */ | ||
167 | dmacHw_TRANSFER_TYPE_e transferType; /* DMA transfer type */ | ||
168 | dmacHw_TRANSFER_MODE_e transferMode; /* DMA transfer mode */ | ||
169 | dmacHw_MASTER_INTERFACE_e srcMasterInterface; /* DMA source interface */ | ||
170 | dmacHw_MASTER_INTERFACE_e dstMasterInterface; /* DMA destination interface */ | ||
171 | dmacHw_TRANSACTION_WIDTH_e srcMaxTransactionWidth; /* Source transaction width */ | ||
172 | dmacHw_TRANSACTION_WIDTH_e dstMaxTransactionWidth; /* Destination transaction width */ | ||
173 | dmacHw_BURST_WIDTH_e srcMaxBurstWidth; /* Source burst width */ | ||
174 | dmacHw_BURST_WIDTH_e dstMaxBurstWidth; /* Destination burst width */ | ||
175 | dmacHw_INTERRUPT_e blockTransferInterrupt; /* Block trsnafer interrupt */ | ||
176 | dmacHw_INTERRUPT_e completeTransferInterrupt; /* Complete DMA trsnafer interrupt */ | ||
177 | dmacHw_INTERRUPT_e errorInterrupt; /* Error interrupt */ | ||
178 | dmacHw_CHANNEL_PRIORITY_e channelPriority; /* Channel priority */ | ||
179 | dmacHw_FLOW_CONTROL_e flowControler; /* Data flow controller */ | ||
180 | } dmacHw_CONFIG_t; | ||
181 | |||
182 | /****************************************************************************/ | ||
183 | /** | ||
184 | * @brief Initializes DMA | ||
185 | * | ||
186 | * This function initializes DMA CSP driver | ||
187 | * | ||
188 | * @note | ||
189 | * Must be called before using any DMA channel | ||
190 | */ | ||
191 | /****************************************************************************/ | ||
192 | void dmacHw_initDma(void); | ||
193 | |||
194 | /****************************************************************************/ | ||
195 | /** | ||
196 | * @brief Exit function for DMA | ||
197 | * | ||
198 | * This function isolates DMA from the system | ||
199 | * | ||
200 | */ | ||
201 | /****************************************************************************/ | ||
202 | void dmacHw_exitDma(void); | ||
203 | |||
204 | /****************************************************************************/ | ||
205 | /** | ||
206 | * @brief Gets a handle to a DMA channel | ||
207 | * | ||
208 | * This function returns a handle, representing a control block of a particular DMA channel | ||
209 | * | ||
210 | * @return -1 - On Failure | ||
211 | * handle - On Success, representing a channel control block | ||
212 | * | ||
213 | * @note | ||
214 | * None Channel ID must be created using "dmacHw_MAKE_CHANNEL_ID" macro | ||
215 | */ | ||
216 | /****************************************************************************/ | ||
217 | dmacHw_HANDLE_t dmacHw_getChannelHandle(dmacHw_ID_t channelId /* [ IN ] DMA Channel Id */ | ||
218 | ); | ||
219 | |||
220 | /****************************************************************************/ | ||
221 | /** | ||
222 | * @brief Initializes a DMA channel for use | ||
223 | * | ||
224 | * This function initializes and resets a DMA channel for use | ||
225 | * | ||
226 | * @return -1 - On Failure | ||
227 | * 0 - On Success | ||
228 | * | ||
229 | * @note | ||
230 | * None | ||
231 | */ | ||
232 | /****************************************************************************/ | ||
233 | int dmacHw_initChannel(dmacHw_HANDLE_t handle /* [ IN ] DMA Channel handle */ | ||
234 | ); | ||
235 | |||
236 | /****************************************************************************/ | ||
237 | /** | ||
238 | * @brief Estimates number of descriptor needed to perform certain DMA transfer | ||
239 | * | ||
240 | * | ||
241 | * @return On failure : -1 | ||
242 | * On success : Number of descriptor count | ||
243 | * | ||
244 | * | ||
245 | */ | ||
246 | /****************************************************************************/ | ||
247 | int dmacHw_calculateDescriptorCount(dmacHw_CONFIG_t *pConfig, /* [ IN ] Configuration settings */ | ||
248 | void *pSrcAddr, /* [ IN ] Source (Peripheral/Memory) address */ | ||
249 | void *pDstAddr, /* [ IN ] Destination (Peripheral/Memory) address */ | ||
250 | size_t dataLen /* [ IN ] Data length in bytes */ | ||
251 | ); | ||
252 | |||
253 | /****************************************************************************/ | ||
254 | /** | ||
255 | * @brief Initializes descriptor ring | ||
256 | * | ||
257 | * This function will initializes the descriptor ring of a DMA channel | ||
258 | * | ||
259 | * | ||
260 | * @return -1 - On failure | ||
261 | * 0 - On success | ||
262 | * @note | ||
263 | * - "len" parameter should be obtained from "dmacHw_descriptorLen" | ||
264 | * - Descriptor buffer MUST be 32 bit aligned and uncached as it | ||
265 | * is accessed by ARM and DMA | ||
266 | */ | ||
267 | /****************************************************************************/ | ||
268 | int dmacHw_initDescriptor(void *pDescriptorVirt, /* [ IN ] Virtual address of uncahced buffer allocated to form descriptor ring */ | ||
269 | uint32_t descriptorPhyAddr, /* [ IN ] Physical address of pDescriptorVirt (descriptor buffer) */ | ||
270 | uint32_t len, /* [ IN ] Size of the pBuf */ | ||
271 | uint32_t num /* [ IN ] Number of descriptor in the ring */ | ||
272 | ); | ||
273 | |||
274 | /****************************************************************************/ | ||
275 | /** | ||
276 | * @brief Finds amount of memory required to form a descriptor ring | ||
277 | * | ||
278 | * | ||
279 | * @return Number of bytes required to form a descriptor ring | ||
280 | * | ||
281 | * | ||
282 | * @note | ||
283 | * None | ||
284 | */ | ||
285 | /****************************************************************************/ | ||
286 | uint32_t dmacHw_descriptorLen(uint32_t descCnt /* [ IN ] Number of descriptor in the ring */ | ||
287 | ); | ||
288 | |||
289 | /****************************************************************************/ | ||
290 | /** | ||
291 | * @brief Configure DMA channel | ||
292 | * | ||
293 | * @return 0 : On success | ||
294 | * -1 : On failure | ||
295 | */ | ||
296 | /****************************************************************************/ | ||
297 | int dmacHw_configChannel(dmacHw_HANDLE_t handle, /* [ IN ] DMA Channel handle */ | ||
298 | dmacHw_CONFIG_t *pConfig /* [ IN ] Configuration settings */ | ||
299 | ); | ||
300 | |||
301 | /****************************************************************************/ | ||
302 | /** | ||
303 | * @brief Set descriptors for known data length | ||
304 | * | ||
305 | * When DMA has to work as a flow controller, this function prepares the | ||
306 | * descriptor chain to transfer data | ||
307 | * | ||
308 | * from: | ||
309 | * - Memory to memory | ||
310 | * - Peripheral to memory | ||
311 | * - Memory to Peripheral | ||
312 | * - Peripheral to Peripheral | ||
313 | * | ||
314 | * @return -1 - On failure | ||
315 | * 0 - On success | ||
316 | * | ||
317 | */ | ||
318 | /****************************************************************************/ | ||
319 | int dmacHw_setDataDescriptor(dmacHw_CONFIG_t *pConfig, /* [ IN ] Configuration settings */ | ||
320 | void *pDescriptor, /* [ IN ] Descriptor buffer */ | ||
321 | void *pSrcAddr, /* [ IN ] Source (Peripheral/Memory) address */ | ||
322 | void *pDstAddr, /* [ IN ] Destination (Peripheral/Memory) address */ | ||
323 | size_t dataLen /* [ IN ] Length in bytes */ | ||
324 | ); | ||
325 | |||
326 | /****************************************************************************/ | ||
327 | /** | ||
328 | * @brief Indicates whether DMA transfer is in progress or completed | ||
329 | * | ||
330 | * @return DMA transfer status | ||
331 | * dmacHw_TRANSFER_STATUS_BUSY: DMA Transfer ongoing | ||
332 | * dmacHw_TRANSFER_STATUS_DONE: DMA Transfer completed | ||
333 | * dmacHw_TRANSFER_STATUS_ERROR: DMA Transfer error | ||
334 | * | ||
335 | */ | ||
336 | /****************************************************************************/ | ||
337 | dmacHw_TRANSFER_STATUS_e dmacHw_transferCompleted(dmacHw_HANDLE_t handle /* [ IN ] DMA Channel handle */ | ||
338 | ); | ||
339 | |||
340 | /****************************************************************************/ | ||
341 | /** | ||
342 | * @brief Set descriptor carrying control information | ||
343 | * | ||
344 | * This function will be used to send specific control information to the device | ||
345 | * using the DMA channel | ||
346 | * | ||
347 | * | ||
348 | * @return -1 - On failure | ||
349 | * 0 - On success | ||
350 | * | ||
351 | * @note | ||
352 | * None | ||
353 | */ | ||
354 | /****************************************************************************/ | ||
355 | int dmacHw_setControlDescriptor(dmacHw_CONFIG_t *pConfig, /* [ IN ] Configuration settings */ | ||
356 | void *pDescriptor, /* [ IN ] Descriptor buffer */ | ||
357 | uint32_t ctlAddress, /* [ IN ] Address of the device control register */ | ||
358 | uint32_t control /* [ IN ] Device control information */ | ||
359 | ); | ||
360 | |||
361 | /****************************************************************************/ | ||
362 | /** | ||
363 | * @brief Read data DMA transferred to memory | ||
364 | * | ||
365 | * This function will read data that has been DMAed to memory while transfering from: | ||
366 | * - Memory to memory | ||
367 | * - Peripheral to memory | ||
368 | * | ||
369 | * @return 0 - No more data is available to read | ||
370 | * 1 - More data might be available to read | ||
371 | * | ||
372 | */ | ||
373 | /****************************************************************************/ | ||
374 | int dmacHw_readTransferredData(dmacHw_HANDLE_t handle, /* [ IN ] DMA Channel handle */ | ||
375 | dmacHw_CONFIG_t *pConfig, /* [ IN ] Configuration settings */ | ||
376 | void *pDescriptor, /* [ IN ] Descriptor buffer */ | ||
377 | void **ppBbuf, /* [ OUT ] Data received */ | ||
378 | size_t *pLlen /* [ OUT ] Length of the data received */ | ||
379 | ); | ||
380 | |||
381 | /****************************************************************************/ | ||
382 | /** | ||
383 | * @brief Prepares descriptor ring, when source peripheral working as a flow controller | ||
384 | * | ||
385 | * This function will form the descriptor ring by allocating buffers, when source peripheral | ||
386 | * has to work as a flow controller to transfer data from: | ||
387 | * - Peripheral to memory. | ||
388 | * | ||
389 | * @return -1 - On failure | ||
390 | * 0 - On success | ||
391 | * | ||
392 | * | ||
393 | * @note | ||
394 | * None | ||
395 | */ | ||
396 | /****************************************************************************/ | ||
397 | int dmacHw_setVariableDataDescriptor(dmacHw_HANDLE_t handle, /* [ IN ] DMA Channel handle */ | ||
398 | dmacHw_CONFIG_t *pConfig, /* [ IN ] Configuration settings */ | ||
399 | void *pDescriptor, /* [ IN ] Descriptor buffer */ | ||
400 | uint32_t srcAddr, /* [ IN ] Source peripheral address */ | ||
401 | void *(*fpAlloc) (int len), /* [ IN ] Function pointer that provides destination memory */ | ||
402 | int len, /* [ IN ] Number of bytes "fpAlloc" will allocate for destination */ | ||
403 | int num /* [ IN ] Number of descriptor to set */ | ||
404 | ); | ||
405 | |||
406 | /****************************************************************************/ | ||
407 | /** | ||
408 | * @brief Program channel register to initiate transfer | ||
409 | * | ||
410 | * @return void | ||
411 | * | ||
412 | * | ||
413 | * @note | ||
414 | * - Descriptor buffer MUST ALWAYS be flushed before calling this function | ||
415 | * - This function should also be called from ISR to program the channel with | ||
416 | * pending descriptors | ||
417 | */ | ||
418 | /****************************************************************************/ | ||
419 | void dmacHw_initiateTransfer(dmacHw_HANDLE_t handle, /* [ IN ] DMA Channel handle */ | ||
420 | dmacHw_CONFIG_t *pConfig, /* [ IN ] Configuration settings */ | ||
421 | void *pDescriptor /* [ IN ] Descriptor buffer */ | ||
422 | ); | ||
423 | |||
424 | /****************************************************************************/ | ||
425 | /** | ||
426 | * @brief Resets descriptor control information | ||
427 | * | ||
428 | * @return void | ||
429 | */ | ||
430 | /****************************************************************************/ | ||
431 | void dmacHw_resetDescriptorControl(void *pDescriptor /* [ IN ] Descriptor buffer */ | ||
432 | ); | ||
433 | |||
434 | /****************************************************************************/ | ||
435 | /** | ||
436 | * @brief Program channel register to stop transfer | ||
437 | * | ||
438 | * Ensures the channel is not doing any transfer after calling this function | ||
439 | * | ||
440 | * @return void | ||
441 | * | ||
442 | */ | ||
443 | /****************************************************************************/ | ||
444 | void dmacHw_stopTransfer(dmacHw_HANDLE_t handle /* [ IN ] DMA Channel handle */ | ||
445 | ); | ||
446 | |||
447 | /****************************************************************************/ | ||
448 | /** | ||
449 | * @brief Check the existance of pending descriptor | ||
450 | * | ||
451 | * This function confirmes if there is any pending descriptor in the chain | ||
452 | * to program the channel | ||
453 | * | ||
454 | * @return 1 : Channel need to be programmed with pending descriptor | ||
455 | * 0 : No more pending descriptor to programe the channel | ||
456 | * | ||
457 | * @note | ||
458 | * - This function should be called from ISR in case there are pending | ||
459 | * descriptor to program the channel. | ||
460 | * | ||
461 | * Example: | ||
462 | * | ||
463 | * dmac_isr () | ||
464 | * { | ||
465 | * ... | ||
466 | * if (dmacHw_descriptorPending (handle)) | ||
467 | * { | ||
468 | * dmacHw_initiateTransfer (handle); | ||
469 | * } | ||
470 | * } | ||
471 | * | ||
472 | */ | ||
473 | /****************************************************************************/ | ||
474 | uint32_t dmacHw_descriptorPending(dmacHw_HANDLE_t handle, /* [ IN ] DMA Channel handle */ | ||
475 | void *pDescriptor /* [ IN ] Descriptor buffer */ | ||
476 | ); | ||
477 | |||
478 | /****************************************************************************/ | ||
479 | /** | ||
480 | * @brief Deallocates source or destination memory, allocated | ||
481 | * | ||
482 | * This function can be called to deallocate data memory that was DMAed successfully | ||
483 | * | ||
484 | * @return -1 - On failure | ||
485 | * 0 - On success | ||
486 | * | ||
487 | * @note | ||
488 | * This function will be called ONLY, when source OR destination address is pointing | ||
489 | * to dynamic memory | ||
490 | */ | ||
491 | /****************************************************************************/ | ||
492 | int dmacHw_freeMem(dmacHw_CONFIG_t *pConfig, /* [ IN ] Configuration settings */ | ||
493 | void *pDescriptor, /* [ IN ] Descriptor buffer */ | ||
494 | void (*fpFree) (void *) /* [ IN ] Function pointer to free data memory */ | ||
495 | ); | ||
496 | |||
497 | /****************************************************************************/ | ||
498 | /** | ||
499 | * @brief Clears the interrupt | ||
500 | * | ||
501 | * This function clears the DMA channel specific interrupt | ||
502 | * | ||
503 | * @return N/A | ||
504 | * | ||
505 | * @note | ||
506 | * Must be called under the context of ISR | ||
507 | */ | ||
508 | /****************************************************************************/ | ||
509 | void dmacHw_clearInterrupt(dmacHw_HANDLE_t handle /* [ IN ] DMA Channel handle */ | ||
510 | ); | ||
511 | |||
512 | /****************************************************************************/ | ||
513 | /** | ||
514 | * @brief Returns the cause of channel specific DMA interrupt | ||
515 | * | ||
516 | * This function returns the cause of interrupt | ||
517 | * | ||
518 | * @return Interrupt status, each bit representing a specific type of interrupt | ||
519 | * of type dmacHw_INTERRUPT_STATUS_e | ||
520 | * @note | ||
521 | * This function should be called under the context of ISR | ||
522 | */ | ||
523 | /****************************************************************************/ | ||
524 | dmacHw_INTERRUPT_STATUS_e dmacHw_getInterruptStatus(dmacHw_HANDLE_t handle /* [ IN ] DMA Channel handle */ | ||
525 | ); | ||
526 | |||
527 | /****************************************************************************/ | ||
528 | /** | ||
529 | * @brief Indentifies a DMA channel causing interrupt | ||
530 | * | ||
531 | * This functions returns a channel causing interrupt of type dmacHw_INTERRUPT_STATUS_e | ||
532 | * | ||
533 | * @return NULL : No channel causing DMA interrupt | ||
534 | * ! NULL : Handle to a channel causing DMA interrupt | ||
535 | * @note | ||
536 | * dmacHw_clearInterrupt() must be called with a valid handle after calling this function | ||
537 | */ | ||
538 | /****************************************************************************/ | ||
539 | dmacHw_HANDLE_t dmacHw_getInterruptSource(void); | ||
540 | |||
541 | /****************************************************************************/ | ||
542 | /** | ||
543 | * @brief Sets channel specific user data | ||
544 | * | ||
545 | * This function associates user data to a specif DMA channel | ||
546 | * | ||
547 | */ | ||
548 | /****************************************************************************/ | ||
549 | void dmacHw_setChannelUserData(dmacHw_HANDLE_t handle, /* [ IN ] DMA Channel handle */ | ||
550 | void *userData /* [ IN ] User data */ | ||
551 | ); | ||
552 | |||
553 | /****************************************************************************/ | ||
554 | /** | ||
555 | * @brief Gets channel specific user data | ||
556 | * | ||
557 | * This function returns user data specific to a DMA channel | ||
558 | * | ||
559 | * @return user data | ||
560 | */ | ||
561 | /****************************************************************************/ | ||
562 | void *dmacHw_getChannelUserData(dmacHw_HANDLE_t handle /* [ IN ] DMA Channel handle */ | ||
563 | ); | ||
564 | |||
565 | /****************************************************************************/ | ||
566 | /** | ||
567 | * @brief Displays channel specific registers and other control parameters | ||
568 | * | ||
569 | * | ||
570 | * @return void | ||
571 | * | ||
572 | * @note | ||
573 | * None | ||
574 | */ | ||
575 | /****************************************************************************/ | ||
576 | void dmacHw_printDebugInfo(dmacHw_HANDLE_t handle, /* [ IN ] DMA Channel handle */ | ||
577 | void *pDescriptor, /* [ IN ] Descriptor buffer */ | ||
578 | int (*fpPrint) (const char *, ...) /* [ IN ] Print callback function */ | ||
579 | ); | ||
580 | |||
581 | /****************************************************************************/ | ||
582 | /** | ||
583 | * @brief Provides DMA controller attributes | ||
584 | * | ||
585 | * | ||
586 | * @return DMA controller attributes | ||
587 | * | ||
588 | * @note | ||
589 | * None | ||
590 | */ | ||
591 | /****************************************************************************/ | ||
592 | uint32_t dmacHw_getDmaControllerAttribute(dmacHw_HANDLE_t handle, /* [ IN ] DMA Channel handle */ | ||
593 | dmacHw_CONTROLLER_ATTRIB_e attr /* [ IN ] DMA Controler attribute of type dmacHw_CONTROLLER_ATTRIB_e */ | ||
594 | ); | ||
595 | |||
596 | #endif /* _DMACHW_H */ | ||
diff --git a/arch/arm/mach-bcmring/include/mach/csp/dmacHw_priv.h b/arch/arm/mach-bcmring/include/mach/csp/dmacHw_priv.h new file mode 100644 index 000000000000..375066ad0186 --- /dev/null +++ b/arch/arm/mach-bcmring/include/mach/csp/dmacHw_priv.h | |||
@@ -0,0 +1,145 @@ | |||
1 | /***************************************************************************** | ||
2 | * Copyright 2004 - 2008 Broadcom Corporation. All rights reserved. | ||
3 | * | ||
4 | * Unless you and Broadcom execute a separate written software license | ||
5 | * agreement governing use of this software, this software is licensed to you | ||
6 | * under the terms of the GNU General Public License version 2, available at | ||
7 | * http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). | ||
8 | * | ||
9 | * Notwithstanding the above, under no circumstances may you combine this | ||
10 | * software in any way with any other Broadcom software provided under a | ||
11 | * license other than the GPL, without Broadcom's express prior written | ||
12 | * consent. | ||
13 | *****************************************************************************/ | ||
14 | |||
15 | /****************************************************************************/ | ||
16 | /** | ||
17 | * @file dmacHw_priv.h | ||
18 | * | ||
19 | * @brief Private Definitions for low level DMA driver | ||
20 | * | ||
21 | */ | ||
22 | /****************************************************************************/ | ||
23 | |||
24 | #ifndef _DMACHW_PRIV_H | ||
25 | #define _DMACHW_PRIV_H | ||
26 | |||
27 | #include <csp/stdint.h> | ||
28 | |||
29 | /* Data type for DMA Link List Item */ | ||
30 | typedef struct { | ||
31 | uint32_t sar; /* Source Adress Register. | ||
32 | Address must be aligned to CTLx.SRC_TR_WIDTH. */ | ||
33 | uint32_t dar; /* Destination Address Register. | ||
34 | Address must be aligned to CTLx.DST_TR_WIDTH. */ | ||
35 | uint32_t llpPhy; /* LLP contains the physical address of the next descriptor for block chaining using linked lists. | ||
36 | Address MUST be aligned to a 32-bit boundary. */ | ||
37 | dmacHw_REG64_t ctl; /* Control Register. 64 bits */ | ||
38 | uint32_t sstat; /* Source Status Register */ | ||
39 | uint32_t dstat; /* Destination Status Register */ | ||
40 | uint32_t devCtl; /* Device specific control information */ | ||
41 | uint32_t llp; /* LLP contains the virtual address of the next descriptor for block chaining using linked lists. */ | ||
42 | } dmacHw_DESC_t; | ||
43 | |||
44 | /* | ||
45 | * Descriptor ring pointers | ||
46 | */ | ||
47 | typedef struct { | ||
48 | int num; /* Number of link items */ | ||
49 | dmacHw_DESC_t *pHead; /* Head of descriptor ring (for writing) */ | ||
50 | dmacHw_DESC_t *pTail; /* Tail of descriptor ring (for reading) */ | ||
51 | dmacHw_DESC_t *pProg; /* Descriptor to program the channel (for programming the channel register) */ | ||
52 | dmacHw_DESC_t *pEnd; /* End of current descriptor chain */ | ||
53 | dmacHw_DESC_t *pFree; /* Descriptor to free memory (freeing dynamic memory) */ | ||
54 | uint32_t virt2PhyOffset; /* Virtual to physical address offset for the descriptor ring */ | ||
55 | } dmacHw_DESC_RING_t; | ||
56 | |||
57 | /* | ||
58 | * DMA channel control block | ||
59 | */ | ||
60 | typedef struct { | ||
61 | uint32_t module; /* DMA controller module (0-1) */ | ||
62 | uint32_t channel; /* DMA channel (0-7) */ | ||
63 | volatile uint32_t varDataStarted; /* Flag indicating variable data channel is enabled */ | ||
64 | volatile uint32_t descUpdated; /* Flag to indicate descriptor update is complete */ | ||
65 | void *userData; /* Channel specifc user data */ | ||
66 | } dmacHw_CBLK_t; | ||
67 | |||
68 | #define dmacHw_ASSERT(a) if (!(a)) while (1) | ||
69 | #define dmacHw_MAX_CHANNEL_COUNT 16 | ||
70 | #define dmacHw_FREE_USER_MEMORY 0xFFFFFFFF | ||
71 | #define dmacHw_DESC_FREE dmacHw_REG_CTL_DONE | ||
72 | #define dmacHw_DESC_INIT ((dmacHw_DESC_t *) 0xFFFFFFFF) | ||
73 | #define dmacHw_MAX_BLOCKSIZE 4064 | ||
74 | #define dmacHw_GET_DESC_RING(addr) (dmacHw_DESC_RING_t *)(addr) | ||
75 | #define dmacHw_ADDRESS_MASK(byte) ((byte) - 1) | ||
76 | #define dmacHw_NEXT_DESC(rp, dp) ((rp)->dp = (dmacHw_DESC_t *)(rp)->dp->llp) | ||
77 | #define dmacHw_HANDLE_TO_CBLK(handle) ((dmacHw_CBLK_t *) (handle)) | ||
78 | #define dmacHw_CBLK_TO_HANDLE(cblkp) ((dmacHw_HANDLE_t) (cblkp)) | ||
79 | #define dmacHw_DST_IS_MEMORY(tt) (((tt) == dmacHw_TRANSFER_TYPE_PERIPHERAL_TO_MEM) || ((tt) == dmacHw_TRANSFER_TYPE_MEM_TO_MEM)) ? 1 : 0 | ||
80 | |||
81 | /****************************************************************************/ | ||
82 | /** | ||
83 | * @brief Get next available transaction width | ||
84 | * | ||
85 | * | ||
86 | * @return On sucess : Next avail able transaction width | ||
87 | * On failure : dmacHw_TRANSACTION_WIDTH_8 | ||
88 | * | ||
89 | * @note | ||
90 | * None | ||
91 | */ | ||
92 | /****************************************************************************/ | ||
93 | static inline dmacHw_TRANSACTION_WIDTH_e dmacHw_GetNextTrWidth(dmacHw_TRANSACTION_WIDTH_e tw /* [ IN ] Current transaction width */ | ||
94 | ) { | ||
95 | if (tw & dmacHw_REG_CTL_SRC_TR_WIDTH_MASK) { | ||
96 | return ((tw >> dmacHw_REG_CTL_SRC_TR_WIDTH_SHIFT) - | ||
97 | 1) << dmacHw_REG_CTL_SRC_TR_WIDTH_SHIFT; | ||
98 | } else if (tw & dmacHw_REG_CTL_DST_TR_WIDTH_MASK) { | ||
99 | return ((tw >> dmacHw_REG_CTL_DST_TR_WIDTH_SHIFT) - | ||
100 | 1) << dmacHw_REG_CTL_DST_TR_WIDTH_SHIFT; | ||
101 | } | ||
102 | |||
103 | /* Default return */ | ||
104 | return dmacHw_SRC_TRANSACTION_WIDTH_8; | ||
105 | } | ||
106 | |||
107 | /****************************************************************************/ | ||
108 | /** | ||
109 | * @brief Get number of bytes per transaction | ||
110 | * | ||
111 | * @return Number of bytes per transaction | ||
112 | * | ||
113 | * | ||
114 | * @note | ||
115 | * None | ||
116 | */ | ||
117 | /****************************************************************************/ | ||
118 | static inline int dmacHw_GetTrWidthInBytes(dmacHw_TRANSACTION_WIDTH_e tw /* [ IN ] Transaction width */ | ||
119 | ) { | ||
120 | int width = 1; | ||
121 | switch (tw) { | ||
122 | case dmacHw_SRC_TRANSACTION_WIDTH_8: | ||
123 | width = 1; | ||
124 | break; | ||
125 | case dmacHw_SRC_TRANSACTION_WIDTH_16: | ||
126 | case dmacHw_DST_TRANSACTION_WIDTH_16: | ||
127 | width = 2; | ||
128 | break; | ||
129 | case dmacHw_SRC_TRANSACTION_WIDTH_32: | ||
130 | case dmacHw_DST_TRANSACTION_WIDTH_32: | ||
131 | width = 4; | ||
132 | break; | ||
133 | case dmacHw_SRC_TRANSACTION_WIDTH_64: | ||
134 | case dmacHw_DST_TRANSACTION_WIDTH_64: | ||
135 | width = 8; | ||
136 | break; | ||
137 | default: | ||
138 | dmacHw_ASSERT(0); | ||
139 | } | ||
140 | |||
141 | /* Default transaction width */ | ||
142 | return width; | ||
143 | } | ||
144 | |||
145 | #endif /* _DMACHW_PRIV_H */ | ||
diff --git a/arch/arm/mach-bcmring/include/mach/csp/dmacHw_reg.h b/arch/arm/mach-bcmring/include/mach/csp/dmacHw_reg.h new file mode 100644 index 000000000000..891cea87e333 --- /dev/null +++ b/arch/arm/mach-bcmring/include/mach/csp/dmacHw_reg.h | |||
@@ -0,0 +1,406 @@ | |||
1 | /***************************************************************************** | ||
2 | * Copyright 2004 - 2008 Broadcom Corporation. All rights reserved. | ||
3 | * | ||
4 | * Unless you and Broadcom execute a separate written software license | ||
5 | * agreement governing use of this software, this software is licensed to you | ||
6 | * under the terms of the GNU General Public License version 2, available at | ||
7 | * http://www.broadcom.com/licenses/GPLv2.php (the "GPL"). | ||
8 | * | ||
9 | * Notwithstanding the above, under no circumstances may you combine this | ||
10 | * software in any way with any other Broadcom software provided under a | ||
11 | * license other than the GPL, without Broadcom's express prior written | ||
12 | * consent. | ||
13 | *****************************************************************************/ | ||
14 | |||
15 | /****************************************************************************/ | ||
16 | /** | ||
17 | * @file dmacHw_reg.h | ||
18 | * | ||
19 | * @brief Definitions for low level DMA registers | ||
20 | * | ||
21 | */ | ||
22 | /****************************************************************************/ | ||
23 | |||
24 | #ifndef _DMACHW_REG_H | ||
25 | #define _DMACHW_REG_H | ||
26 | |||
27 | #include <csp/stdint.h> | ||
28 | #include <mach/csp/mm_io.h> | ||
29 | |||
30 | /* Data type for 64 bit little endian register */ | ||
31 | typedef struct { | ||
32 | volatile uint32_t lo; /* Lower 32 bit in little endian mode */ | ||
33 | volatile uint32_t hi; /* Upper 32 bit in little endian mode */ | ||
34 | } dmacHw_REG64_t; | ||
35 | |||
36 | /* Data type representing DMA channel registers */ | ||
37 | typedef struct { | ||
38 | dmacHw_REG64_t ChannelSar; /* Source Adress Register. 64 bits (upper 32 bits are reserved) | ||
39 | Address must be aligned to CTLx.SRC_TR_WIDTH. | ||
40 | */ | ||
41 | dmacHw_REG64_t ChannelDar; /* Destination Address Register.64 bits (upper 32 bits are reserved) | ||
42 | Address must be aligned to CTLx.DST_TR_WIDTH. | ||
43 | */ | ||
44 | dmacHw_REG64_t ChannelLlp; /* Link List Pointer.64 bits (upper 32 bits are reserved) | ||
45 | LLP contains the pointer to the next LLI for block chaining using linked lists. | ||
46 | If LLPis set to 0x0, then transfers using linked lists are not enabled. | ||
47 | Address MUST be aligned to a 32-bit boundary. | ||
48 | */ | ||
49 | dmacHw_REG64_t ChannelCtl; /* Control Register. 64 bits */ | ||
50 | dmacHw_REG64_t ChannelSstat; /* Source Status Register */ | ||
51 | dmacHw_REG64_t ChannelDstat; /* Destination Status Register */ | ||
52 | dmacHw_REG64_t ChannelSstatAddr; /* Source Status Address Register */ | ||
53 | dmacHw_REG64_t ChannelDstatAddr; /* Destination Status Address Register */ | ||
54 | dmacHw_REG64_t ChannelConfig; /* Channel Configuration Register */ | ||
55 | dmacHw_REG64_t SrcGather; /* Source gather register */ | ||
56 | dmacHw_REG64_t DstScatter; /* Destination scatter register */ | ||
57 | } dmacHw_CH_REG_t; | ||
58 | |||
59 | /* Data type for RAW interrupt status registers */ | ||
60 | typedef struct { | ||
61 | dmacHw_REG64_t RawTfr; /* Raw Status for IntTfr Interrupt */ | ||
62 | dmacHw_REG64_t RawBlock; /* Raw Status for IntBlock Interrupt */ | ||
63 | dmacHw_REG64_t RawSrcTran; /* Raw Status for IntSrcTran Interrupt */ | ||
64 | dmacHw_REG64_t RawDstTran; /* Raw Status for IntDstTran Interrupt */ | ||
65 | dmacHw_REG64_t RawErr; /* Raw Status for IntErr Interrupt */ | ||
66 | } dmacHw_INT_RAW_t; | ||
67 | |||
68 | /* Data type for interrupt status registers */ | ||
69 | typedef struct { | ||
70 | dmacHw_REG64_t StatusTfr; /* Status for IntTfr Interrupt */ | ||
71 | dmacHw_REG64_t StatusBlock; /* Status for IntBlock Interrupt */ | ||
72 | dmacHw_REG64_t StatusSrcTran; /* Status for IntSrcTran Interrupt */ | ||
73 | dmacHw_REG64_t StatusDstTran; /* Status for IntDstTran Interrupt */ | ||
74 | dmacHw_REG64_t StatusErr; /* Status for IntErr Interrupt */ | ||
75 | } dmacHw_INT_STATUS_t; | ||
76 | |||
77 | /* Data type for interrupt mask registers*/ | ||
78 | typedef struct { | ||
79 | dmacHw_REG64_t MaskTfr; /* Mask for IntTfr Interrupt */ | ||
80 | dmacHw_REG64_t MaskBlock; /* Mask for IntBlock Interrupt */ | ||
81 | dmacHw_REG64_t MaskSrcTran; /* Mask for IntSrcTran Interrupt */ | ||
82 | dmacHw_REG64_t MaskDstTran; /* Mask for IntDstTran Interrupt */ | ||
83 | dmacHw_REG64_t MaskErr; /* Mask for IntErr Interrupt */ | ||
84 | } dmacHw_INT_MASK_t; | ||
85 | |||
86 | /* Data type for interrupt clear registers */ | ||
87 | typedef struct { | ||
88 | dmacHw_REG64_t ClearTfr; /* Clear for IntTfr Interrupt */ | ||
89 | dmacHw_REG64_t ClearBlock; /* Clear for IntBlock Interrupt */ | ||
90 | dmacHw_REG64_t ClearSrcTran; /* Clear for IntSrcTran Interrupt */ | ||
91 | dmacHw_REG64_t ClearDstTran; /* Clear for IntDstTran Interrupt */ | ||
92 | dmacHw_REG64_t ClearErr; /* Clear for IntErr Interrupt */ | ||
93 | dmacHw_REG64_t StatusInt; /* Status for each interrupt type */ | ||
94 | } dmacHw_INT_CLEAR_t; | ||
95 | |||
96 | /* Data type for software handshaking registers */ | ||
97 | typedef struct { | ||
98 | dmacHw_REG64_t ReqSrcReg; /* Source Software Transaction Request Register */ | ||
99 | dmacHw_REG64_t ReqDstReg; /* Destination Software Transaction Request Register */ | ||
100 | dmacHw_REG64_t SglReqSrcReg; /* Single Source Transaction Request Register */ | ||
101 | dmacHw_REG64_t SglReqDstReg; /* Single Destination Transaction Request Register */ | ||
102 | dmacHw_REG64_t LstSrcReg; /* Last Source Transaction Request Register */ | ||
103 | dmacHw_REG64_t LstDstReg; /* Last Destination Transaction Request Register */ | ||
104 | } dmacHw_SW_HANDSHAKE_t; | ||
105 | |||
106 | /* Data type for misc. registers */ | ||
107 | typedef struct { | ||
108 | dmacHw_REG64_t DmaCfgReg; /* DMA Configuration Register */ | ||
109 | dmacHw_REG64_t ChEnReg; /* DMA Channel Enable Register */ | ||
110 | dmacHw_REG64_t DmaIdReg; /* DMA ID Register */ | ||
111 | dmacHw_REG64_t DmaTestReg; /* DMA Test Register */ | ||
112 | dmacHw_REG64_t Reserved0; /* Reserved */ | ||
113 | dmacHw_REG64_t Reserved1; /* Reserved */ | ||
114 | dmacHw_REG64_t CompParm6; /* Component Parameter 6 */ | ||
115 | dmacHw_REG64_t CompParm5; /* Component Parameter 5 */ | ||
116 | dmacHw_REG64_t CompParm4; /* Component Parameter 4 */ | ||
117 | dmacHw_REG64_t CompParm3; /* Component Parameter 3 */ | ||
118 | dmacHw_REG64_t CompParm2; /* Component Parameter 2 */ | ||
119 | dmacHw_REG64_t CompParm1; /* Component Parameter 1 */ | ||
120 | dmacHw_REG64_t CompId; /* Compoent ID */ | ||
121 | } dmacHw_MISC_t; | ||
122 | |||
123 | /* Base registers */ | ||
124 | #define dmacHw_0_MODULE_BASE_ADDR (char *) MM_IO_BASE_DMA0 /* DMAC 0 module's base address */ | ||
125 | #define dmacHw_1_MODULE_BASE_ADDR (char *) MM_IO_BASE_DMA1 /* DMAC 1 module's base address */ | ||
126 | |||
127 | extern uint32_t dmaChannelCount_0; | ||
128 | extern uint32_t dmaChannelCount_1; | ||
129 | |||
130 | /* Define channel specific registers */ | ||
131 | #define dmacHw_CHAN_BASE(module, chan) ((dmacHw_CH_REG_t *) ((char *)((module) ? dmacHw_1_MODULE_BASE_ADDR : dmacHw_0_MODULE_BASE_ADDR) + ((chan) * sizeof(dmacHw_CH_REG_t)))) | ||
132 | |||
133 | /* Raw interrupt status registers */ | ||
134 | #define dmacHw_REG_INT_RAW_BASE(module) ((char *)dmacHw_CHAN_BASE((module), ((module) ? dmaChannelCount_1 : dmaChannelCount_0))) | ||
135 | #define dmacHw_REG_INT_RAW_TRAN(module) (((dmacHw_INT_RAW_t *) dmacHw_REG_INT_RAW_BASE((module)))->RawTfr.lo) | ||
136 | #define dmacHw_REG_INT_RAW_BLOCK(module) (((dmacHw_INT_RAW_t *) dmacHw_REG_INT_RAW_BASE((module)))->RawBlock.lo) | ||
137 | #define dmacHw_REG_INT_RAW_STRAN(module) (((dmacHw_INT_RAW_t *) dmacHw_REG_INT_RAW_BASE((module)))->RawSrcTran.lo) | ||
138 | #define dmacHw_REG_INT_RAW_DTRAN(module) (((dmacHw_INT_RAW_t *) dmacHw_REG_INT_RAW_BASE((module)))->RawDstTran.lo) | ||
139 | #define dmacHw_REG_INT_RAW_ERROR(module) (((dmacHw_INT_RAW_t *) dmacHw_REG_INT_RAW_BASE((module)))->RawErr.lo) | ||
140 | |||
141 | /* Interrupt status registers */ | ||
142 | #define dmacHw_REG_INT_STAT_BASE(module) ((char *)(dmacHw_REG_INT_RAW_BASE((module)) + sizeof(dmacHw_INT_RAW_t))) | ||
143 | #define dmacHw_REG_INT_STAT_TRAN(module) (((dmacHw_INT_STATUS_t *) dmacHw_REG_INT_STAT_BASE((module)))->StatusTfr.lo) | ||
144 | #define dmacHw_REG_INT_STAT_BLOCK(module) (((dmacHw_INT_STATUS_t *) dmacHw_REG_INT_STAT_BASE((module)))->StatusBlock.lo) | ||
145 | #define dmacHw_REG_INT_STAT_STRAN(module) (((dmacHw_INT_STATUS_t *) dmacHw_REG_INT_STAT_BASE((module)))->StatusSrcTran.lo) | ||
146 | #define dmacHw_REG_INT_STAT_DTRAN(module) (((dmacHw_INT_STATUS_t *) dmacHw_REG_INT_STAT_BASE((module)))->StatusDstTran.lo) | ||
147 | #define dmacHw_REG_INT_STAT_ERROR(module) (((dmacHw_INT_STATUS_t *) dmacHw_REG_INT_STAT_BASE((module)))->StatusErr.lo) | ||
148 | |||
149 | /* Interrupt status registers */ | ||
150 | #define dmacHw_REG_INT_MASK_BASE(module) ((char *)(dmacHw_REG_INT_STAT_BASE((module)) + sizeof(dmacHw_INT_STATUS_t))) | ||
151 | #define dmacHw_REG_INT_MASK_TRAN(module) (((dmacHw_INT_MASK_t *) dmacHw_REG_INT_MASK_BASE((module)))->MaskTfr.lo) | ||
152 | #define dmacHw_REG_INT_MASK_BLOCK(module) (((dmacHw_INT_MASK_t *) dmacHw_REG_INT_MASK_BASE((module)))->MaskBlock.lo) | ||
153 | #define dmacHw_REG_INT_MASK_STRAN(module) (((dmacHw_INT_MASK_t *) dmacHw_REG_INT_MASK_BASE((module)))->MaskSrcTran.lo) | ||
154 | #define dmacHw_REG_INT_MASK_DTRAN(module) (((dmacHw_INT_MASK_t *) dmacHw_REG_INT_MASK_BASE((module)))->MaskDstTran.lo) | ||
155 | #define dmacHw_REG_INT_MASK_ERROR(module) (((dmacHw_INT_MASK_t *) dmacHw_REG_INT_MASK_BASE((module)))->MaskErr.lo) | ||
156 | |||
157 | /* Interrupt clear registers */ | ||
158 | #define dmacHw_REG_INT_CLEAR_BASE(module) ((char *)(dmacHw_REG_INT_MASK_BASE((module)) + sizeof(dmacHw_INT_MASK_t))) | ||
159 | #define dmacHw_REG_INT_CLEAR_TRAN(module) (((dmacHw_INT_CLEAR_t *) dmacHw_REG_INT_CLEAR_BASE((module)))->ClearTfr.lo) | ||
160 | #define dmacHw_REG_INT_CLEAR_BLOCK(module) (((dmacHw_INT_CLEAR_t *) dmacHw_REG_INT_CLEAR_BASE((module)))->ClearBlock.lo) | ||
161 | #define dmacHw_REG_INT_CLEAR_STRAN(module) (((dmacHw_INT_CLEAR_t *) dmacHw_REG_INT_CLEAR_BASE((module)))->ClearSrcTran.lo) | ||
162 | #define dmacHw_REG_INT_CLEAR_DTRAN(module) (((dmacHw_INT_CLEAR_t *) dmacHw_REG_INT_CLEAR_BASE((module)))->ClearDstTran.lo) | ||
163 | #define dmacHw_REG_INT_CLEAR_ERROR(module) (((dmacHw_INT_CLEAR_t *) dmacHw_REG_INT_CLEAR_BASE((module)))->ClearErr.lo) | ||
164 | #define dmacHw_REG_INT_STATUS(module) (((dmacHw_INT_CLEAR_t *) dmacHw_REG_INT_CLEAR_BASE((module)))->StatusInt.lo) | ||
165 | |||
166 | /* Software handshaking registers */ | ||
167 | #define dmacHw_REG_SW_HS_BASE(module) ((char *)(dmacHw_REG_INT_CLEAR_BASE((module)) + sizeof(dmacHw_INT_CLEAR_t))) | ||
168 | #define dmacHw_REG_SW_HS_SRC_REQ(module) (((dmacHw_SW_HANDSHAKE_t *) dmacHw_REG_SW_HS_BASE((module)))->ReqSrcReg.lo) | ||
169 | #define dmacHw_REG_SW_HS_DST_REQ(module) (((dmacHw_SW_HANDSHAKE_t *) dmacHw_REG_SW_HS_BASE((module)))->ReqDstReg.lo) | ||
170 | #define dmacHw_REG_SW_HS_SRC_SGL_REQ(module) (((dmacHw_SW_HANDSHAKE_t *) dmacHw_REG_SW_HS_BASE((module)))->SglReqSrcReg.lo) | ||
171 | #define dmacHw_REG_SW_HS_DST_SGL_REQ(module) (((dmacHw_SW_HANDSHAKE_t *) dmacHw_REG_SW_HS_BASE((module)))->SglReqDstReg.lo) | ||
172 | #define dmacHw_REG_SW_HS_SRC_LST_REQ(module) (((dmacHw_SW_HANDSHAKE_t *) dmacHw_REG_SW_HS_BASE((module)))->LstSrcReg.lo) | ||
173 | #define dmacHw_REG_SW_HS_DST_LST_REQ(module) (((dmacHw_SW_HANDSHAKE_t *) dmacHw_REG_SW_HS_BASE((module)))->LstDstReg.lo) | ||
174 | |||
175 | /* Miscellaneous registers */ | ||
176 | #define dmacHw_REG_MISC_BASE(module) ((char *)(dmacHw_REG_SW_HS_BASE((module)) + sizeof(dmacHw_SW_HANDSHAKE_t))) | ||
177 | #define dmacHw_REG_MISC_CFG(module) (((dmacHw_MISC_t *) dmacHw_REG_MISC_BASE((module)))->DmaCfgReg.lo) | ||
178 | #define dmacHw_REG_MISC_CH_ENABLE(module) (((dmacHw_MISC_t *) dmacHw_REG_MISC_BASE((module)))->ChEnReg.lo) | ||
179 | #define dmacHw_REG_MISC_ID(module) (((dmacHw_MISC_t *) dmacHw_REG_MISC_BASE((module)))->DmaIdReg.lo) | ||
180 | #define dmacHw_REG_MISC_TEST(module) (((dmacHw_MISC_t *) dmacHw_REG_MISC_BASE((module)))->DmaTestReg.lo) | ||
181 | #define dmacHw_REG_MISC_COMP_PARAM1_LO(module) (((dmacHw_MISC_t *) dmacHw_REG_MISC_BASE((module)))->CompParm1.lo) | ||
182 | #define dmacHw_REG_MISC_COMP_PARAM1_HI(module) (((dmacHw_MISC_t *) dmacHw_REG_MISC_BASE((module)))->CompParm1.hi) | ||
183 | #define dmacHw_REG_MISC_COMP_PARAM2_LO(module) (((dmacHw_MISC_t *) dmacHw_REG_MISC_BASE((module)))->CompParm2.lo) | ||
184 | #define dmacHw_REG_MISC_COMP_PARAM2_HI(module) (((dmacHw_MISC_t *) dmacHw_REG_MISC_BASE((module)))->CompParm2.hi) | ||
185 | #define dmacHw_REG_MISC_COMP_PARAM3_LO(module) (((dmacHw_MISC_t *) dmacHw_REG_MISC_BASE((module)))->CompParm3.lo) | ||
186 | #define dmacHw_REG_MISC_COMP_PARAM3_HI(module) (((dmacHw_MISC_t *) dmacHw_REG_MISC_BASE((module)))->CompParm3.hi) | ||
187 | #define dmacHw_REG_MISC_COMP_PARAM4_LO(module) (((dmacHw_MISC_t *) dmacHw_REG_MISC_BASE((module)))->CompParm4.lo) | ||
188 | #define dmacHw_REG_MISC_COMP_PARAM4_HI(module) (((dmacHw_MISC_t *) dmacHw_REG_MISC_BASE((module)))->CompParm4.hi) | ||
189 | #define dmacHw_REG_MISC_COMP_PARAM5_LO(module) (((dmacHw_MISC_t *) dmacHw_REG_MISC_BASE((module)))->CompParm5.lo) | ||
190 | #define dmacHw_REG_MISC_COMP_PARAM5_HI(module) (((dmacHw_MISC_t *) dmacHw_REG_MISC_BASE((module)))->CompParm5.hi) | ||
191 | #define dmacHw_REG_MISC_COMP_PARAM6_LO(module) (((dmacHw_MISC_t *) dmacHw_REG_MISC_BASE((module)))->CompParm6.lo) | ||
192 | #define dmacHw_REG_MISC_COMP_PARAM6_HI(module) (((dmacHw_MISC_t *) dmacHw_REG_MISC_BASE((module)))->CompParm6.hi) | ||
193 | |||
194 | /* Channel control registers */ | ||
195 | #define dmacHw_REG_SAR(module, chan) (dmacHw_CHAN_BASE((module), (chan))->ChannelSar.lo) | ||
196 | #define dmacHw_REG_DAR(module, chan) (dmacHw_CHAN_BASE((module), (chan))->ChannelDar.lo) | ||
197 | #define dmacHw_REG_LLP(module, chan) (dmacHw_CHAN_BASE((module), (chan))->ChannelLlp.lo) | ||
198 | |||
199 | #define dmacHw_REG_CTL_LO(module, chan) (dmacHw_CHAN_BASE((module), (chan))->ChannelCtl.lo) | ||
200 | #define dmacHw_REG_CTL_HI(module, chan) (dmacHw_CHAN_BASE((module), (chan))->ChannelCtl.hi) | ||
201 | |||
202 | #define dmacHw_REG_SSTAT(module, chan) (dmacHw_CHAN_BASE((module), (chan))->ChannelSstat.lo) | ||
203 | #define dmacHw_REG_DSTAT(module, chan) (dmacHw_CHAN_BASE((module), (chan))->ChannelDstat.lo) | ||
204 | #define dmacHw_REG_SSTATAR(module, chan) (dmacHw_CHAN_BASE((module), (chan))->ChannelSstatAddr.lo) | ||
205 | #define dmacHw_REG_DSTATAR(module, chan) (dmacHw_CHAN_BASE((module), (chan))->ChannelDstatAddr.lo) | ||
206 | |||
207 | #define dmacHw_REG_CFG_LO(module, chan) (dmacHw_CHAN_BASE((module), (chan))->ChannelConfig.lo) | ||
208 | #define dmacHw_REG_CFG_HI(module, chan) (dmacHw_CHAN_BASE((module), (chan))->ChannelConfig.hi) | ||
209 | |||
210 | #define dmacHw_REG_SGR_LO(module, chan) (dmacHw_CHAN_BASE((module), (chan))->SrcGather.lo) | ||
211 | #define dmacHw_REG_SGR_HI(module, chan) (dmacHw_CHAN_BASE((module), (chan))->SrcGather.hi) | ||
212 | |||
213 | #define dmacHw_REG_DSR_LO(module, chan) (dmacHw_CHAN_BASE((module), (chan))->DstScatter.lo) | ||
214 | #define dmacHw_REG_DSR_HI(module, chan) (dmacHw_CHAN_BASE((module), (chan))->DstScatter.hi) | ||
215 | |||
216 | #define INT_STATUS_MASK(channel) (0x00000001 << (channel)) | ||
217 | #define CHANNEL_BUSY(mod, channel) (dmacHw_REG_MISC_CH_ENABLE((mod)) & (0x00000001 << (channel))) | ||
218 | |||
219 | /* Bit mask for REG_DMACx_CTL_LO */ | ||
220 | |||
221 | #define dmacHw_REG_CTL_INT_EN 0x00000001 /* Channel interrupt enable */ | ||
222 | |||
223 | #define dmacHw_REG_CTL_DST_TR_WIDTH_MASK 0x0000000E /* Destination transaction width mask */ | ||
224 | #define dmacHw_REG_CTL_DST_TR_WIDTH_SHIFT 1 | ||
225 | #define dmacHw_REG_CTL_DST_TR_WIDTH_8 0x00000000 /* Destination transaction width 8 bit */ | ||
226 | #define dmacHw_REG_CTL_DST_TR_WIDTH_16 0x00000002 /* Destination transaction width 16 bit */ | ||
227 | #define dmacHw_REG_CTL_DST_TR_WIDTH_32 0x00000004 /* Destination transaction width 32 bit */ | ||
228 | #define dmacHw_REG_CTL_DST_TR_WIDTH_64 0x00000006 /* Destination transaction width 64 bit */ | ||
229 | |||
230 | #define dmacHw_REG_CTL_SRC_TR_WIDTH_MASK 0x00000070 /* Source transaction width mask */ | ||
231 | #define dmacHw_REG_CTL_SRC_TR_WIDTH_SHIFT 4 | ||
232 | #define dmacHw_REG_CTL_SRC_TR_WIDTH_8 0x00000000 /* Source transaction width 8 bit */ | ||
233 | #define dmacHw_REG_CTL_SRC_TR_WIDTH_16 0x00000010 /* Source transaction width 16 bit */ | ||
234 | #define dmacHw_REG_CTL_SRC_TR_WIDTH_32 0x00000020 /* Source transaction width 32 bit */ | ||
235 | #define dmacHw_REG_CTL_SRC_TR_WIDTH_64 0x00000030 /* Source transaction width 64 bit */ | ||
236 | |||
237 | #define dmacHw_REG_CTL_DS_ENABLE 0x00040000 /* Destination scatter enable */ | ||
238 | #define dmacHw_REG_CTL_SG_ENABLE 0x00020000 /* Source gather enable */ | ||
239 | |||
240 | #define dmacHw_REG_CTL_DINC_MASK 0x00000180 /* Destination address inc/dec mask */ | ||
241 | #define dmacHw_REG_CTL_DINC_INC 0x00000000 /* Destination address increment */ | ||
242 | #define dmacHw_REG_CTL_DINC_DEC 0x00000080 /* Destination address decrement */ | ||
243 | #define dmacHw_REG_CTL_DINC_NC 0x00000100 /* Destination address no change */ | ||
244 | |||
245 | #define dmacHw_REG_CTL_SINC_MASK 0x00000600 /* Source address inc/dec mask */ | ||
246 | #define dmacHw_REG_CTL_SINC_INC 0x00000000 /* Source address increment */ | ||
247 | #define dmacHw_REG_CTL_SINC_DEC 0x00000200 /* Source address decrement */ | ||
248 | #define dmacHw_REG_CTL_SINC_NC 0x00000400 /* Source address no change */ | ||
249 | |||
250 | #define dmacHw_REG_CTL_DST_MSIZE_MASK 0x00003800 /* Destination burst transaction length */ | ||
251 | #define dmacHw_REG_CTL_DST_MSIZE_0 0x00000000 /* No Destination burst */ | ||
252 | #define dmacHw_REG_CTL_DST_MSIZE_4 0x00000800 /* Destination burst transaction length 4 */ | ||
253 | #define dmacHw_REG_CTL_DST_MSIZE_8 0x00001000 /* Destination burst transaction length 8 */ | ||
254 | #define dmacHw_REG_CTL_DST_MSIZE_16 0x00001800 /* Destination burst transaction length 16 */ | ||
255 | |||
256 | #define dmacHw_REG_CTL_SRC_MSIZE_MASK 0x0001C000 /* Source burst transaction length */ | ||
257 | #define dmacHw_REG_CTL_SRC_MSIZE_0 0x00000000 /* No Source burst */ | ||
258 | #define dmacHw_REG_CTL_SRC_MSIZE_4 0x00004000 /* Source burst transaction length 4 */ | ||
259 | #define dmacHw_REG_CTL_SRC_MSIZE_8 0x00008000 /* Source burst transaction length 8 */ | ||
260 | #define dmacHw_REG_CTL_SRC_MSIZE_16 0x0000C000 /* Source burst transaction length 16 */ | ||
261 | |||
262 | #define dmacHw_REG_CTL_TTFC_MASK 0x00700000 /* Transfer type and flow controller */ | ||
263 | #define dmacHw_REG_CTL_TTFC_MM_DMAC 0x00000000 /* Memory to Memory with DMAC as flow controller */ | ||
264 | #define dmacHw_REG_CTL_TTFC_MP_DMAC 0x00100000 /* Memory to Peripheral with DMAC as flow controller */ | ||
265 | #define dmacHw_REG_CTL_TTFC_PM_DMAC 0x00200000 /* Peripheral to Memory with DMAC as flow controller */ | ||
266 | #define dmacHw_REG_CTL_TTFC_PP_DMAC 0x00300000 /* Peripheral to Peripheral with DMAC as flow controller */ | ||
267 | #define dmacHw_REG_CTL_TTFC_PM_PERI 0x00400000 /* Peripheral to Memory with Peripheral as flow controller */ | ||
268 | #define dmacHw_REG_CTL_TTFC_PP_SPERI 0x00500000 /* Peripheral to Peripheral with Source Peripheral as flow controller */ | ||
269 | #define dmacHw_REG_CTL_TTFC_MP_PERI 0x00600000 /* Memory to Peripheral with Peripheral as flow controller */ | ||
270 | #define dmacHw_REG_CTL_TTFC_PP_DPERI 0x00700000 /* Peripheral to Peripheral with Destination Peripheral as flow controller */ | ||
271 | |||
272 | #define dmacHw_REG_CTL_DMS_MASK 0x01800000 /* Destination AHB master interface */ | ||
273 | #define dmacHw_REG_CTL_DMS_1 0x00000000 /* Destination AHB master interface 1 */ | ||
274 | #define dmacHw_REG_CTL_DMS_2 0x00800000 /* Destination AHB master interface 2 */ | ||
275 | |||
276 | #define dmacHw_REG_CTL_SMS_MASK 0x06000000 /* Source AHB master interface */ | ||
277 | #define dmacHw_REG_CTL_SMS_1 0x00000000 /* Source AHB master interface 1 */ | ||
278 | #define dmacHw_REG_CTL_SMS_2 0x02000000 /* Source AHB master interface 2 */ | ||
279 | |||
280 | #define dmacHw_REG_CTL_LLP_DST_EN 0x08000000 /* Block chaining enable for destination side */ | ||
281 | #define dmacHw_REG_CTL_LLP_SRC_EN 0x10000000 /* Block chaining enable for source side */ | ||
282 | |||
283 | /* Bit mask for REG_DMACx_CTL_HI */ | ||
284 | #define dmacHw_REG_CTL_BLOCK_TS_MASK 0x00000FFF /* Block transfer size */ | ||
285 | #define dmacHw_REG_CTL_DONE 0x00001000 /* Block trasnfer done */ | ||
286 | |||
287 | /* Bit mask for REG_DMACx_CFG_LO */ | ||
288 | #define dmacHw_REG_CFG_LO_CH_PRIORITY_SHIFT 5 /* Channel priority shift */ | ||
289 | #define dmacHw_REG_CFG_LO_CH_PRIORITY_MASK 0x000000E0 /* Channel priority mask */ | ||
290 | #define dmacHw_REG_CFG_LO_CH_PRIORITY_0 0x00000000 /* Channel priority 0 */ | ||
291 | #define dmacHw_REG_CFG_LO_CH_PRIORITY_1 0x00000020 /* Channel priority 1 */ | ||
292 | #define dmacHw_REG_CFG_LO_CH_PRIORITY_2 0x00000040 /* Channel priority 2 */ | ||
293 | #define dmacHw_REG_CFG_LO_CH_PRIORITY_3 0x00000060 /* Channel priority 3 */ | ||
294 | #define dmacHw_REG_CFG_LO_CH_PRIORITY_4 0x00000080 /* Channel priority 4 */ | ||
295 | #define dmacHw_REG_CFG_LO_CH_PRIORITY_5 0x000000A0 /* Channel priority 5 */ | ||
296 | #define dmacHw_REG_CFG_LO_CH_PRIORITY_6 0x000000C0 /* Channel priority 6 */ | ||
297 | #define dmacHw_REG_CFG_LO_CH_PRIORITY_7 0x000000E0 /* Channel priority 7 */ | ||
298 | |||
299 | #define dmacHw_REG_CFG_LO_CH_SUSPEND 0x00000100 /* Channel suspend */ | ||
300 | #define dmacHw_REG_CFG_LO_CH_FIFO_EMPTY 0x00000200 /* Channel FIFO empty */ | ||
301 | #define dmacHw_REG_CFG_LO_DST_CH_SW_HS 0x00000400 /* Destination channel SW handshaking */ | ||
302 | #define dmacHw_REG_CFG_LO_SRC_CH_SW_HS 0x00000800 /* Source channel SW handshaking */ | ||
303 | |||
304 | #define dmacHw_REG_CFG_LO_CH_LOCK_MASK 0x00003000 /* Channel locking mask */ | ||
305 | #define dmacHw_REG_CFG_LO_CH_LOCK_DMA 0x00000000 /* Channel lock over the entire DMA transfer operation */ | ||
306 | #define dmacHw_REG_CFG_LO_CH_LOCK_BLOCK 0x00001000 /* Channel lock over the block transfer operation */ | ||
307 | #define dmacHw_REG_CFG_LO_CH_LOCK_TRANS 0x00002000 /* Channel lock over the transaction */ | ||
308 | #define dmacHw_REG_CFG_LO_CH_LOCK_ENABLE 0x00010000 /* Channel lock enable */ | ||
309 | |||
310 | #define dmacHw_REG_CFG_LO_BUS_LOCK_MASK 0x0000C000 /* Bus locking mask */ | ||
311 | #define dmacHw_REG_CFG_LO_BUS_LOCK_DMA 0x00000000 /* Bus lock over the entire DMA transfer operation */ | ||
312 | #define dmacHw_REG_CFG_LO_BUS_LOCK_BLOCK 0x00004000 /* Bus lock over the block transfer operation */ | ||
313 | #define dmacHw_REG_CFG_LO_BUS_LOCK_TRANS 0x00008000 /* Bus lock over the transaction */ | ||
314 | #define dmacHw_REG_CFG_LO_BUS_LOCK_ENABLE 0x00020000 /* Bus lock enable */ | ||
315 | |||
316 | #define dmacHw_REG_CFG_LO_DST_HS_POLARITY_LOW 0x00040000 /* Destination channel handshaking signal polarity low */ | ||
317 | #define dmacHw_REG_CFG_LO_SRC_HS_POLARITY_LOW 0x00080000 /* Source channel handshaking signal polarity low */ | ||
318 | |||
319 | #define dmacHw_REG_CFG_LO_MAX_AMBA_BURST_LEN_MASK 0x3FF00000 /* Maximum AMBA burst length */ | ||
320 | |||
321 | #define dmacHw_REG_CFG_LO_AUTO_RELOAD_SRC 0x40000000 /* Source address auto reload */ | ||
322 | #define dmacHw_REG_CFG_LO_AUTO_RELOAD_DST 0x80000000 /* Destination address auto reload */ | ||
323 | |||
324 | /* Bit mask for REG_DMACx_CFG_HI */ | ||
325 | #define dmacHw_REG_CFG_HI_FC_DST_READY 0x00000001 /* Source transaction request is serviced when destination is ready */ | ||
326 | #define dmacHw_REG_CFG_HI_FIFO_ENOUGH 0x00000002 /* Initiate burst transaction when enough data in available in FIFO */ | ||
327 | |||
328 | #define dmacHw_REG_CFG_HI_AHB_HPROT_MASK 0x0000001C /* AHB protection mask */ | ||
329 | #define dmacHw_REG_CFG_HI_AHB_HPROT_1 0x00000004 /* AHB protection 1 */ | ||
330 | #define dmacHw_REG_CFG_HI_AHB_HPROT_2 0x00000008 /* AHB protection 2 */ | ||
331 | #define dmacHw_REG_CFG_HI_AHB_HPROT_3 0x00000010 /* AHB protection 3 */ | ||
332 | |||
333 | #define dmacHw_REG_CFG_HI_UPDATE_DST_STAT 0x00000020 /* Destination status update enable */ | ||
334 | #define dmacHw_REG_CFG_HI_UPDATE_SRC_STAT 0x00000040 /* Source status update enable */ | ||
335 | |||
336 | #define dmacHw_REG_CFG_HI_SRC_PERI_INTF_MASK 0x00000780 /* Source peripheral hardware interface mask */ | ||
337 | #define dmacHw_REG_CFG_HI_DST_PERI_INTF_MASK 0x00007800 /* Destination peripheral hardware interface mask */ | ||
338 | |||
339 | /* DMA Configuration Parameters */ | ||
340 | #define dmacHw_REG_COMP_PARAM_NUM_CHANNELS 0x00000700 /* Number of channels */ | ||
341 | #define dmacHw_REG_COMP_PARAM_NUM_INTERFACE 0x00001800 /* Number of master interface */ | ||
342 | #define dmacHw_REG_COMP_PARAM_MAX_BLK_SIZE 0x0000000f /* Maximum brust size */ | ||
343 | #define dmacHw_REG_COMP_PARAM_DATA_WIDTH 0x00006000 /* Data transfer width */ | ||
344 | |||
345 | /* Define GET/SET macros to program the registers */ | ||
346 | #define dmacHw_SET_SAR(module, channel, addr) (dmacHw_REG_SAR((module), (channel)) = (uint32_t) (addr)) | ||
347 | #define dmacHw_SET_DAR(module, channel, addr) (dmacHw_REG_DAR((module), (channel)) = (uint32_t) (addr)) | ||
348 | #define dmacHw_SET_LLP(module, channel, ptr) (dmacHw_REG_LLP((module), (channel)) = (uint32_t) (ptr)) | ||
349 | |||
350 | #define dmacHw_GET_SSTAT(module, channel) (dmacHw_REG_SSTAT((module), (channel))) | ||
351 | #define dmacHw_GET_DSTAT(module, channel) (dmacHw_REG_DSTAT((module), (channel))) | ||
352 | |||
353 | #define dmacHw_SET_SSTATAR(module, channel, addr) (dmacHw_REG_SSTATAR((module), (channel)) = (uint32_t) (addr)) | ||
354 | #define dmacHw_SET_DSTATAR(module, channel, addr) (dmacHw_REG_DSTATAR((module), (channel)) = (uint32_t) (addr)) | ||
355 | |||
356 | #define dmacHw_SET_CONTROL_LO(module, channel, ctl) (dmacHw_REG_CTL_LO((module), (channel)) |= (ctl)) | ||
357 | #define dmacHw_RESET_CONTROL_LO(module, channel) (dmacHw_REG_CTL_LO((module), (channel)) = 0) | ||
358 | #define dmacHw_GET_CONTROL_LO(module, channel) (dmacHw_REG_CTL_LO((module), (channel))) | ||
359 | |||
360 | #define dmacHw_SET_CONTROL_HI(module, channel, ctl) (dmacHw_REG_CTL_HI((module), (channel)) |= (ctl)) | ||
361 | #define dmacHw_RESET_CONTROL_HI(module, channel) (dmacHw_REG_CTL_HI((module), (channel)) = 0) | ||
362 | #define dmacHw_GET_CONTROL_HI(module, channel) (dmacHw_REG_CTL_HI((module), (channel))) | ||
363 | |||
364 | #define dmacHw_GET_BLOCK_SIZE(module, channel) (dmacHw_REG_CTL_HI((module), (channel)) & dmacHw_REG_CTL_BLOCK_TS_MASK) | ||
365 | #define dmacHw_DMA_COMPLETE(module, channel) (dmacHw_REG_CTL_HI((module), (channel)) & dmacHw_REG_CTL_DONE) | ||
366 | |||
367 | #define dmacHw_SET_CONFIG_LO(module, channel, cfg) (dmacHw_REG_CFG_LO((module), (channel)) |= (cfg)) | ||
368 | #define dmacHw_RESET_CONFIG_LO(module, channel) (dmacHw_REG_CFG_LO((module), (channel)) = 0) | ||
369 | #define dmacHw_GET_CONFIG_LO(module, channel) (dmacHw_REG_CFG_LO((module), (channel))) | ||
370 | #define dmacHw_SET_AMBA_BUSRT_LEN(module, channel, len) (dmacHw_REG_CFG_LO((module), (channel)) = (dmacHw_REG_CFG_LO((module), (channel)) & ~(dmacHw_REG_CFG_LO_MAX_AMBA_BURST_LEN_MASK)) | (((len) << 20) & dmacHw_REG_CFG_LO_MAX_AMBA_BURST_LEN_MASK)) | ||
371 | #define dmacHw_SET_CHANNEL_PRIORITY(module, channel, prio) (dmacHw_REG_CFG_LO((module), (channel)) = (dmacHw_REG_CFG_LO((module), (channel)) & ~(dmacHw_REG_CFG_LO_CH_PRIORITY_MASK)) | (prio)) | ||
372 | #define dmacHw_SET_AHB_HPROT(module, channel, protect) (dmacHw_REG_CFG_HI(module, channel) = (dmacHw_REG_CFG_HI((module), (channel)) & ~(dmacHw_REG_CFG_HI_AHB_HPROT_MASK)) | (protect)) | ||
373 | |||
374 | #define dmacHw_SET_CONFIG_HI(module, channel, cfg) (dmacHw_REG_CFG_HI((module), (channel)) |= (cfg)) | ||
375 | #define dmacHw_RESET_CONFIG_HI(module, channel) (dmacHw_REG_CFG_HI((module), (channel)) = 0) | ||
376 | #define dmacHw_GET_CONFIG_HI(module, channel) (dmacHw_REG_CFG_HI((module), (channel))) | ||
377 | #define dmacHw_SET_SRC_PERI_INTF(module, channel, intf) (dmacHw_REG_CFG_HI((module), (channel)) = (dmacHw_REG_CFG_HI((module), (channel)) & ~(dmacHw_REG_CFG_HI_SRC_PERI_INTF_MASK)) | (((intf) << 7) & dmacHw_REG_CFG_HI_SRC_PERI_INTF_MASK)) | ||
378 | #define dmacHw_SRC_PERI_INTF(intf) (((intf) << 7) & dmacHw_REG_CFG_HI_SRC_PERI_INTF_MASK) | ||
379 | #define dmacHw_SET_DST_PERI_INTF(module, channel, intf) (dmacHw_REG_CFG_HI((module), (channel)) = (dmacHw_REG_CFG_HI((module), (channel)) & ~(dmacHw_REG_CFG_HI_DST_PERI_INTF_MASK)) | (((intf) << 11) & dmacHw_REG_CFG_HI_DST_PERI_INTF_MASK)) | ||
380 | #define dmacHw_DST_PERI_INTF(intf) (((intf) << 11) & dmacHw_REG_CFG_HI_DST_PERI_INTF_MASK) | ||
381 | |||
382 | #define dmacHw_DMA_START(module, channel) (dmacHw_REG_MISC_CH_ENABLE((module)) = (0x00000001 << ((channel) + 8)) | (0x00000001 << (channel))) | ||
383 | #define dmacHw_DMA_STOP(module, channel) (dmacHw_REG_MISC_CH_ENABLE((module)) = (0x00000001 << ((channel) + 8))) | ||
384 | #define dmacHw_DMA_ENABLE(module) (dmacHw_REG_MISC_CFG((module)) = 1) | ||
385 | #define dmacHw_DMA_DISABLE(module) (dmacHw_REG_MISC_CFG((module)) = 0) | ||
386 | |||
387 | #define dmacHw_TRAN_INT_ENABLE(module, channel) (dmacHw_REG_INT_MASK_TRAN((module)) = (0x00000001 << ((channel) + 8)) | (0x00000001 << (channel))) | ||
388 | #define dmacHw_BLOCK_INT_ENABLE(module, channel) (dmacHw_REG_INT_MASK_BLOCK((module)) = (0x00000001 << ((channel) + 8)) | (0x00000001 << (channel))) | ||
389 | #define dmacHw_ERROR_INT_ENABLE(module, channel) (dmacHw_REG_INT_MASK_ERROR((module)) = (0x00000001 << ((channel) + 8)) | (0x00000001 << (channel))) | ||
390 | |||
391 | #define dmacHw_TRAN_INT_DISABLE(module, channel) (dmacHw_REG_INT_MASK_TRAN((module)) = (0x00000001 << ((channel) + 8))) | ||
392 | #define dmacHw_BLOCK_INT_DISABLE(module, channel) (dmacHw_REG_INT_MASK_BLOCK((module)) = (0x00000001 << ((channel) + 8))) | ||
393 | #define dmacHw_ERROR_INT_DISABLE(module, channel) (dmacHw_REG_INT_MASK_ERROR((module)) = (0x00000001 << ((channel) + 8))) | ||
394 | #define dmacHw_STRAN_INT_DISABLE(module, channel) (dmacHw_REG_INT_MASK_STRAN((module)) = (0x00000001 << ((channel) + 8))) | ||
395 | #define dmacHw_DTRAN_INT_DISABLE(module, channel) (dmacHw_REG_INT_MASK_DTRAN((module)) = (0x00000001 << ((channel) + 8))) | ||
396 | |||
397 | #define dmacHw_TRAN_INT_CLEAR(module, channel) (dmacHw_REG_INT_CLEAR_TRAN((module)) = (0x00000001 << (channel))) | ||
398 | #define dmacHw_BLOCK_INT_CLEAR(module, channel) (dmacHw_REG_INT_CLEAR_BLOCK((module)) = (0x00000001 << (channel))) | ||
399 | #define dmacHw_ERROR_INT_CLEAR(module, channel) (dmacHw_REG_INT_CLEAR_ERROR((module)) = (0x00000001 << (channel))) | ||
400 | |||
401 | #define dmacHw_GET_NUM_CHANNEL(module) (((dmacHw_REG_MISC_COMP_PARAM1_HI((module)) & dmacHw_REG_COMP_PARAM_NUM_CHANNELS) >> 8) + 1) | ||
402 | #define dmacHw_GET_NUM_INTERFACE(module) (((dmacHw_REG_MISC_COMP_PARAM1_HI((module)) & dmacHw_REG_COMP_PARAM_NUM_INTERFACE) >> 11) + 1) | ||
403 | #define dmacHw_GET_MAX_BLOCK_SIZE(module, channel) ((dmacHw_REG_MISC_COMP_PARAM1_LO((module)) >> (4 * (channel))) & dmacHw_REG_COMP_PARAM_MAX_BLK_SIZE) | ||
404 | #define dmacHw_GET_CHANNEL_DATA_WIDTH(module, channel) ((dmacHw_REG_MISC_COMP_PARAM1_HI((module)) & dmacHw_REG_COMP_PARAM_DATA_WIDTH) >> 13) | ||
405 | |||
406 | #endif /* _DMACHW_REG_H */ | ||