xref: /freebsd/sys/contrib/ncsw/inc/ncsw_ext.h (revision faf139cc5dd3396181c11922bc6685c0c59b7b24)
1 /* Copyright (c) 2008-2011 Freescale Semiconductor, Inc.
2  * All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions are met:
6  *     * Redistributions of source code must retain the above copyright
7  *       notice, this list of conditions and the following disclaimer.
8  *     * Redistributions in binary form must reproduce the above copyright
9  *       notice, this list of conditions and the following disclaimer in the
10  *       documentation and/or other materials provided with the distribution.
11  *     * Neither the name of Freescale Semiconductor nor the
12  *       names of its contributors may be used to endorse or promote products
13  *       derived from this software without specific prior written permission.
14  *
15  *
16  * ALTERNATIVELY, this software may be distributed under the terms of the
17  * GNU General Public License ("GPL") as published by the Free Software
18  * Foundation, either version 2 of that License or (at your option) any
19  * later version.
20  *
21  * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
22  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
23  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
24  * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
25  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
26  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
27  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
28  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
30  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33  /**************************************************************************//**
34  @File          ncsw_ext.h
35 
36  @Description   General NetCommSw Standard Definitions
37 *//***************************************************************************/
38 
39 #ifndef __NCSW_EXT_H
40 #define __NCSW_EXT_H
41 
42 #include "memcpy_ext.h"
43 
44 
45 #define WRITE_BLOCK                 IOMemSet32
46 #define COPY_BLOCK                  Mem2IOCpy32
47 
48 #define PTR_TO_UINT(_ptr)           ((uintptr_t)(_ptr))
49 #define UINT_TO_PTR(_val)           ((void*)(uintptr_t)(_val))
50 
51 #define PTR_MOVE(_ptr, _offset)     (void*)((uint8_t*)(_ptr) + (_offset))
52 
53 
54 #define WRITE_UINT8_UINT24(arg, data08, data24) WRITE_UINT32(arg,((uint32_t)(data08)<<24)|((uint32_t)(data24)&0x00FFFFFF))
55 #define WRITE_UINT24_UINT8(arg, data24, data08) WRITE_UINT32(arg,((uint32_t)(data24)<< 8)|((uint32_t)(data08)&0x000000FF))
56 
57 /* Little-Endian access macros */
58 
59 #define WRITE_UINT16_LE(arg, data) \
60         WRITE_UINT16((arg), SwapUint16(data))
61 
62 #define WRITE_UINT32_LE(arg, data) \
63         WRITE_UINT32((arg), SwapUint32(data))
64 
65 #define WRITE_UINT64_LE(arg, data) \
66         WRITE_UINT64((arg), SwapUint64(data))
67 
68 #define GET_UINT16_LE(arg) \
69         SwapUint16(GET_UINT16(arg))
70 
71 #define GET_UINT32_LE(arg) \
72         SwapUint32(GET_UINT32(arg))
73 
74 #define GET_UINT64_LE(arg) \
75         SwapUint64(GET_UINT64(arg))
76 
77 /* Write and Read again macros */
78 #define WRITE_UINT_SYNC(size, arg, data)    \
79     do {                                    \
80         WRITE_UINT##size((arg), (data));    \
81         CORE_MemoryBarrier();               \
82     } while (0)
83 
84 #define WRITE_UINT8_SYNC(arg, data)     WRITE_UINT_SYNC(8, (arg), (data))
85 
86 #define WRITE_UINT16_SYNC(arg, data)    WRITE_UINT_SYNC(16, (arg), (data))
87 #define WRITE_UINT32_SYNC(arg, data)    WRITE_UINT_SYNC(32, (arg), (data))
88 
89 #define MAKE_UINT64(high32, low32)      (((uint64_t)high32 << 32) | (low32))
90 
91 
92 /*----------------------*/
93 /* Miscellaneous macros */
94 /*----------------------*/
95 
96 #define UNUSED(X) (X=X)
97 
98 #define KILOBYTE            0x400UL                 /* 1024 */
99 #define MEGABYTE            (KILOBYTE * KILOBYTE)   /* 1024*1024 */
100 #define GIGABYTE            (KILOBYTE * MEGABYTE)   /* 1024*1024*1024 */
101 
102 #undef  NO_IRQ
103 #define NO_IRQ              (-1)
104 #define NCSW_MASTER_ID      (0)
105 
106 /* Macro for checking if a number is a power of 2 */
107 #define POWER_OF_2(n)   (!((n) & ((n)-1)))
108 
109 /* Macro for calculating log of base 2 */
110 #define LOG2(num, log2Num)      \
111     do                          \
112     {                           \
113         uint64_t tmp = (num);   \
114         log2Num = 0;            \
115         while (tmp > 1)         \
116         {                       \
117             log2Num++;          \
118             tmp >>= 1;          \
119         }                       \
120     } while (0)
121 
122 #define NEXT_POWER_OF_2(_num, _nextPow) \
123 do                                      \
124 {                                       \
125     if (POWER_OF_2(_num))               \
126         _nextPow = (_num);              \
127     else                                \
128     {                                   \
129         uint64_t tmp = (_num);          \
130         _nextPow = 1;                   \
131         while (tmp)                     \
132         {                               \
133             _nextPow <<= 1;             \
134             tmp >>= 1;                  \
135         }                               \
136     }                                   \
137 } while (0)
138 
139 /* Ceiling division - not the fastest way, but safer in terms of overflow */
140 #define DIV_CEIL(x,y)   (((x)/(y)) + ((((((x)/(y)))*(y)) == (x)) ? 0 : 1))
141 
142 /* Round up a number to be a multiple of a second number */
143 #define ROUND_UP(x,y)   ((((x) + (y) - 1) / (y)) * (y))
144 
145 /* Timing macro for converting usec units to number of ticks.   */
146 /* (number of usec *  clock_Hz) / 1,000,000) - since            */
147 /* clk is in MHz units, no division needed.                     */
148 #define USEC_TO_CLK(usec,clk)       ((usec) * (clk))
149 #define CYCLES_TO_USEC(cycles,clk)  ((cycles) / (clk))
150 
151 /* Timing macros for converting between nsec units and number of clocks. */
152 #define NSEC_TO_CLK(nsec,clk)       DIV_CEIL(((nsec) * (clk)), 1000)
153 #define CYCLES_TO_NSEC(cycles,clk)  (((cycles) * 1000) / (clk))
154 
155 /* Timing macros for converting between psec units and number of clocks. */
156 #define PSEC_TO_CLK(psec,clk)       DIV_CEIL(((psec) * (clk)), 1000000)
157 #define CYCLES_TO_PSEC(cycles,clk)  (((cycles) * 1000000) / (clk))
158 
159 /* Min, Max macros */
160 #define NCSW_MIN(a,b)    ((a) < (b) ? (a) : (b))
161 #define NCSW_MAX(a,b)    ((a) > (b) ? (a) : (b))
162 #define IN_RANGE(min,val,max) ((min)<=(val) && (val)<=(max))
163 
164 #define ABS(a)  ((a<0)?(a*-1):a)
165 
166 #if !(defined(ARRAY_SIZE))
167 #define ARRAY_SIZE(arr)   (sizeof(arr) / sizeof((arr)[0]))
168 #endif /* !defined(ARRAY_SIZE) */
169 
170 
171 /* possible alignments */
172 #define HALF_WORD_ALIGNMENT     2
173 #define WORD_ALIGNMENT          4
174 #define DOUBLE_WORD_ALIGNMENT   8
175 #define BURST_ALIGNMENT         32
176 
177 #define HALF_WORD_ALIGNED       0x00000001
178 #define WORD_ALIGNED            0x00000003
179 #define DOUBLE_WORD_ALIGNED     0x00000007
180 #define BURST_ALIGNED           0x0000001f
181 #ifndef IS_ALIGNED
182 #define IS_ALIGNED(n,align)     (!((uint32_t)(n) & (align - 1)))
183 #endif /* IS_ALIGNED */
184 
185 
186 #define LAST_BUF        1
187 #define FIRST_BUF       2
188 #define SINGLE_BUF      (LAST_BUF | FIRST_BUF)
189 #define MIDDLE_BUF      4
190 
191 #define ARRAY_END       -1
192 
193 #define ILLEGAL_BASE    (~0)
194 
195 #define BUF_POSITION(first, last)   state[(!!(last))<<1 | !!(first)]
196 #define DECLARE_POSITION static uint8_t state[4] = { (uint8_t)MIDDLE_BUF, (uint8_t)FIRST_BUF, (uint8_t)LAST_BUF, (uint8_t)SINGLE_BUF };
197 
198 
199 /**************************************************************************//**
200  @Description   Timers operation mode
201 *//***************************************************************************/
202 typedef enum e_TimerMode
203 {
204     e_TIMER_MODE_INVALID = 0,
205     e_TIMER_MODE_FREE_RUN,    /**< Free run - counter continues to increase
206                                    after reaching the reference value. */
207     e_TIMER_MODE_PERIODIC,    /**< Periodic - counter restarts counting from 0
208                                    after reaching the reference value. */
209     e_TIMER_MODE_SINGLE       /**< Single (one-shot) - counter stops counting
210                                    after reaching the reference value. */
211 } e_TimerMode;
212 
213 
214 /**************************************************************************//**
215  @Description   Enumeration (bit flags) of communication modes (Transmit,
216                 receive or both).
217 *//***************************************************************************/
218 typedef enum e_CommMode
219 {
220     e_COMM_MODE_NONE        = 0,    /**< No transmit/receive communication */
221     e_COMM_MODE_RX          = 1,    /**< Only receive communication */
222     e_COMM_MODE_TX          = 2,    /**< Only transmit communication */
223     e_COMM_MODE_RX_AND_TX   = 3     /**< Both transmit and receive communication */
224 } e_CommMode;
225 
226 /**************************************************************************//**
227  @Description   General Diagnostic Mode
228 *//***************************************************************************/
229 typedef enum e_DiagMode
230 {
231     e_DIAG_MODE_NONE = 0,       /**< Normal operation; no diagnostic mode */
232     e_DIAG_MODE_CTRL_LOOPBACK,  /**< Loopback in the controller */
233     e_DIAG_MODE_CHIP_LOOPBACK,  /**< Loopback in the chip but not in the
234                                      controller; e.g. IO-pins, SerDes, etc. */
235     e_DIAG_MODE_PHY_LOOPBACK,   /**< Loopback in the external PHY */
236     e_DIAG_MODE_EXT_LOOPBACK,   /**< Loopback in the external line (beyond the PHY) */
237     e_DIAG_MODE_CTRL_ECHO,      /**< Echo incoming data by the controller */
238     e_DIAG_MODE_PHY_ECHO        /**< Echo incoming data by the PHY */
239 } e_DiagMode;
240 
241 /**************************************************************************//**
242  @Description   Possible RxStore callback responses.
243 *//***************************************************************************/
244 typedef enum e_RxStoreResponse
245 {
246       e_RX_STORE_RESPONSE_PAUSE     /**< Pause invoking callback with received data;
247                                          in polling mode, start again invoking callback
248                                          only next time user invokes the receive routine;
249                                          in interrupt mode, start again invoking callback
250                                          only next time a receive event triggers an interrupt;
251                                          in all cases, received data that are pending are not
252                                          lost, rather, their processing is temporarily deferred;
253                                          in all cases, received data are processed in the order
254                                          in which they were received. */
255     , e_RX_STORE_RESPONSE_CONTINUE  /**< Continue invoking callback with received data. */
256 } e_RxStoreResponse;
257 
258 
259 /**************************************************************************//**
260  @Description   General Handle
261 *//***************************************************************************/
262 typedef void *      t_Handle;   /**< handle, used as object's descriptor */
263 
264 /**************************************************************************//**
265  @Description   MUTEX type
266 *//***************************************************************************/
267 typedef uint32_t    t_Mutex;
268 
269 /**************************************************************************//**
270  @Description   Error Code.
271 
272                 The high word of the error code is the code of the software
273                 module (driver). The low word is the error type (e_ErrorType).
274                 To get the values from the error code, use GET_ERROR_TYPE()
275                 and GET_ERROR_MODULE().
276 *//***************************************************************************/
277 typedef uint32_t    t_Error;
278 
279 /**************************************************************************//**
280  @Description   General prototype of interrupt service routine (ISR).
281 
282  @Param[in]     handle - Optional handle of the module handling the interrupt.
283 
284  @Return        None
285  *//***************************************************************************/
286 typedef void (t_Isr)(t_Handle handle);
287 
288 /**************************************************************************//**
289  @Anchor        mem_attr
290 
291  @Collection    Memory Attributes
292 
293                 Various attributes of memory partitions. These values may be
294                 or'ed together to create a mask of all memory attributes.
295  @{
296 *//***************************************************************************/
297 #define MEMORY_ATTR_CACHEABLE           0x00000001
298                                         /**< Memory is cacheable */
299 #define MEMORY_ATTR_QE_2ND_BUS_ACCESS   0x00000002
300                                         /**< Memory can be accessed by QUICC Engine
301                                              through its secondary bus interface */
302 
303 /* @} */
304 
305 
306 /**************************************************************************//**
307  @Function      t_GetBufFunction
308 
309  @Description   User callback function called by driver to get data buffer.
310 
311                 User provides this function. Driver invokes it.
312 
313  @Param[in]     h_BufferPool        - A handle to buffer pool manager
314  @Param[out]    p_BufContextHandle  - Returns the user's private context that
315                                       should be associated with the buffer
316 
317  @Return        Pointer to data buffer, NULL if error
318  *//***************************************************************************/
319 typedef uint8_t * (t_GetBufFunction)(t_Handle   h_BufferPool,
320                                      t_Handle   *p_BufContextHandle);
321 
322 /**************************************************************************//**
323  @Function      t_PutBufFunction
324 
325  @Description   User callback function called by driver to return data buffer.
326 
327                 User provides this function. Driver invokes it.
328 
329  @Param[in]     h_BufferPool    - A handle to buffer pool manager
330  @Param[in]     p_Buffer        - A pointer to buffer to return
331  @Param[in]     h_BufContext    - The user's private context associated with
332                                   the returned buffer
333 
334  @Return        E_OK on success; Error code otherwise
335  *//***************************************************************************/
336 typedef t_Error (t_PutBufFunction)(t_Handle h_BufferPool,
337                                    uint8_t  *p_Buffer,
338                                    t_Handle h_BufContext);
339 
340 /**************************************************************************//**
341  @Function      t_PhysToVirt
342 
343  @Description   Translates a physical address to the matching virtual address.
344 
345  @Param[in]     addr - The physical address to translate.
346 
347  @Return        Virtual address.
348 *//***************************************************************************/
349 typedef void * t_PhysToVirt(physAddress_t addr);
350 
351 /**************************************************************************//**
352  @Function      t_VirtToPhys
353 
354  @Description   Translates a virtual address to the matching physical address.
355 
356  @Param[in]     addr - The virtual address to translate.
357 
358  @Return        Physical address.
359 *//***************************************************************************/
360 typedef physAddress_t t_VirtToPhys(void *addr);
361 
362 /**************************************************************************//**
363  @Description   Buffer Pool Information Structure.
364 *//***************************************************************************/
365 typedef struct t_BufferPoolInfo
366 {
367     t_Handle            h_BufferPool;   /**< A handle to the buffer pool manager */
368     t_GetBufFunction    *f_GetBuf;      /**< User callback to get a free buffer */
369     t_PutBufFunction    *f_PutBuf;      /**< User callback to return a buffer */
370     uint16_t            bufferSize;     /**< Buffer size (in bytes) */
371 
372     t_PhysToVirt        *f_PhysToVirt;  /**< User callback to translate pool buffers
373                                              physical addresses to virtual addresses  */
374     t_VirtToPhys        *f_VirtToPhys;  /**< User callback to translate pool buffers
375                                              virtual addresses to physical addresses */
376 } t_BufferPoolInfo;
377 
378 
379 /**************************************************************************//**
380  @Description   User callback function called by driver when transmit completed.
381 
382                 User provides this function. Driver invokes it.
383 
384  @Param[in]     h_App           - Application's handle, as was provided to the
385                                   driver by the user
386  @Param[in]     queueId         - Transmit queue ID
387  @Param[in]     p_Data          - Pointer to the data buffer
388  @Param[in]     h_BufContext    - The user's private context associated with
389                                   the given data buffer
390  @Param[in]     status          - Transmit status and errors
391  @Param[in]     flags           - Driver-dependent information
392  *//***************************************************************************/
393 typedef void (t_TxConfFunction)(t_Handle    h_App,
394                                 uint32_t    queueId,
395                                 uint8_t     *p_Data,
396                                 t_Handle    h_BufContext,
397                                 uint16_t    status,
398                                 uint32_t    flags);
399 
400 /**************************************************************************//**
401  @Description   User callback function called by driver with receive data.
402 
403                 User provides this function. Driver invokes it.
404 
405  @Param[in]     h_App           - Application's handle, as was provided to the
406                                   driver by the user
407  @Param[in]     queueId         - Receive queue ID
408  @Param[in]     p_Data          - Pointer to the buffer with received data
409  @Param[in]     h_BufContext    - The user's private context associated with
410                                   the given data buffer
411  @Param[in]     length          - Length of received data
412  @Param[in]     status          - Receive status and errors
413  @Param[in]     position        - Position of buffer in frame
414  @Param[in]     flags           - Driver-dependent information
415 
416  @Retval        e_RX_STORE_RESPONSE_CONTINUE - order the driver to continue Rx
417                                                operation for all ready data.
418  @Retval        e_RX_STORE_RESPONSE_PAUSE    - order the driver to stop Rx operation.
419  *//***************************************************************************/
420 typedef e_RxStoreResponse (t_RxStoreFunction)(t_Handle  h_App,
421                                               uint32_t  queueId,
422                                               uint8_t   *p_Data,
423                                               t_Handle  h_BufContext,
424                                               uint32_t  length,
425                                               uint16_t  status,
426                                               uint8_t   position,
427                                               uint32_t  flags);
428 
429 
430 #endif /* __NCSW_EXT_H */
431