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[tomato.git] / release / src-rt-6.x.4708 / linux / linux-2.6.36 / drivers / staging / comedi / drivers / me4000.h
blob733b19243c7563f89476211473fbca30f06e0633
1 /*
2 me4000.h
3 Register descriptions and defines for the ME-4000 board family
5 COMEDI - Linux Control and Measurement Device Interface
6 Copyright (C) 1998-9 David A. Schleef <ds@schleef.org>
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 #ifndef _ME4000_H_
25 #define _ME4000_H_
27 /*=============================================================================
28 Debug section
29 ===========================================================================*/
31 #undef ME4000_CALL_DEBUG /* Debug function entry and exit */
32 #undef ME4000_PORT_DEBUG /* Debug port access */
33 #undef ME4000_ISR_DEBUG /* Debug the interrupt service routine */
34 #undef ME4000_DEBUG /* General purpose debug masseges */
36 #ifdef ME4000_CALL_DEBUG
37 #undef CALL_PDEBUG
38 #define CALL_PDEBUG(fmt, args...) printk(KERN_DEBUG"comedi%d: me4000: " fmt, dev->minor, ##args)
39 #else
40 # define CALL_PDEBUG(fmt, args...) /* no debugging, do nothing */
41 #endif
43 #ifdef ME4000_PORT_DEBUG
44 #undef PORT_PDEBUG
45 #define PORT_PDEBUG(fmt, args...) printk(KERN_DEBUG"comedi%d: me4000: " fmt, dev->minor, ##args)
46 #else
47 #define PORT_PDEBUG(fmt, args...) /* no debugging, do nothing */
48 #endif
50 #ifdef ME4000_ISR_DEBUG
51 #undef ISR_PDEBUG
52 #define ISR_PDEBUG(fmt, args...) printk(KERN_DEBUG"comedi%d: me4000: " fmt, dev->minor, ##args)
53 #else
54 #define ISR_PDEBUG(fmt, args...) /* no debugging, do nothing */
55 #endif
57 #ifdef ME4000_DEBUG
58 #undef PDEBUG
59 #define PDEBUG(fmt, args...) printk(KERN_DEBUG"comedi%d: me4000: " fmt, dev->minor, ##args)
60 #else
61 #define PDEBUG(fmt, args...) /* no debugging, do nothing */
62 #endif
64 /*=============================================================================
65 PCI vendor and device IDs
66 ===========================================================================*/
68 #define PCI_VENDOR_ID_MEILHAUS 0x1402
70 #define PCI_DEVICE_ID_MEILHAUS_ME4650 0x4650 /* Low Cost version */
72 #define PCI_DEVICE_ID_MEILHAUS_ME4660 0x4660 /* Standard version */
73 #define PCI_DEVICE_ID_MEILHAUS_ME4660I 0x4661 /* Isolated version */
74 #define PCI_DEVICE_ID_MEILHAUS_ME4660S 0x4662 /* Standard version with Sample and Hold */
75 #define PCI_DEVICE_ID_MEILHAUS_ME4660IS 0x4663 /* Isolated version with Sample and Hold */
77 #define PCI_DEVICE_ID_MEILHAUS_ME4670 0x4670 /* Standard version */
78 #define PCI_DEVICE_ID_MEILHAUS_ME4670I 0x4671 /* Isolated version */
79 #define PCI_DEVICE_ID_MEILHAUS_ME4670S 0x4672 /* Standard version with Sample and Hold */
80 #define PCI_DEVICE_ID_MEILHAUS_ME4670IS 0x4673 /* Isolated version with Sample and Hold */
82 #define PCI_DEVICE_ID_MEILHAUS_ME4680 0x4680 /* Standard version */
83 #define PCI_DEVICE_ID_MEILHAUS_ME4680I 0x4681 /* Isolated version */
84 #define PCI_DEVICE_ID_MEILHAUS_ME4680S 0x4682 /* Standard version with Sample and Hold */
85 #define PCI_DEVICE_ID_MEILHAUS_ME4680IS 0x4683 /* Isolated version with Sample and Hold */
87 /*=============================================================================
88 ME-4000 base register offsets
89 ===========================================================================*/
91 #define ME4000_AO_00_CTRL_REG 0x00 /* R/W */
92 #define ME4000_AO_00_STATUS_REG 0x04 /* R/_ */
93 #define ME4000_AO_00_FIFO_REG 0x08 /* _/W */
94 #define ME4000_AO_00_SINGLE_REG 0x0C /* R/W */
95 #define ME4000_AO_00_TIMER_REG 0x10 /* _/W */
97 #define ME4000_AO_01_CTRL_REG 0x18 /* R/W */
98 #define ME4000_AO_01_STATUS_REG 0x1C /* R/_ */
99 #define ME4000_AO_01_FIFO_REG 0x20 /* _/W */
100 #define ME4000_AO_01_SINGLE_REG 0x24 /* R/W */
101 #define ME4000_AO_01_TIMER_REG 0x28 /* _/W */
103 #define ME4000_AO_02_CTRL_REG 0x30 /* R/W */
104 #define ME4000_AO_02_STATUS_REG 0x34 /* R/_ */
105 #define ME4000_AO_02_FIFO_REG 0x38 /* _/W */
106 #define ME4000_AO_02_SINGLE_REG 0x3C /* R/W */
107 #define ME4000_AO_02_TIMER_REG 0x40 /* _/W */
109 #define ME4000_AO_03_CTRL_REG 0x48 /* R/W */
110 #define ME4000_AO_03_STATUS_REG 0x4C /* R/_ */
111 #define ME4000_AO_03_FIFO_REG 0x50 /* _/W */
112 #define ME4000_AO_03_SINGLE_REG 0x54 /* R/W */
113 #define ME4000_AO_03_TIMER_REG 0x58 /* _/W */
115 #define ME4000_AI_CTRL_REG 0x74 /* _/W */
116 #define ME4000_AI_STATUS_REG 0x74 /* R/_ */
117 #define ME4000_AI_CHANNEL_LIST_REG 0x78 /* _/W */
118 #define ME4000_AI_DATA_REG 0x7C /* R/_ */
119 #define ME4000_AI_CHAN_TIMER_REG 0x80 /* _/W */
120 #define ME4000_AI_CHAN_PRE_TIMER_REG 0x84 /* _/W */
121 #define ME4000_AI_SCAN_TIMER_LOW_REG 0x88 /* _/W */
122 #define ME4000_AI_SCAN_TIMER_HIGH_REG 0x8C /* _/W */
123 #define ME4000_AI_SCAN_PRE_TIMER_LOW_REG 0x90 /* _/W */
124 #define ME4000_AI_SCAN_PRE_TIMER_HIGH_REG 0x94 /* _/W */
125 #define ME4000_AI_START_REG 0x98 /* R/_ */
127 #define ME4000_IRQ_STATUS_REG 0x9C /* R/_ */
129 #define ME4000_DIO_PORT_0_REG 0xA0 /* R/W */
130 #define ME4000_DIO_PORT_1_REG 0xA4 /* R/W */
131 #define ME4000_DIO_PORT_2_REG 0xA8 /* R/W */
132 #define ME4000_DIO_PORT_3_REG 0xAC /* R/W */
133 #define ME4000_DIO_DIR_REG 0xB0 /* R/W */
135 #define ME4000_AO_LOADSETREG_XX 0xB4 /* R/W */
137 #define ME4000_DIO_CTRL_REG 0xB8 /* R/W */
139 #define ME4000_AO_DEMUX_ADJUST_REG 0xBC /* -/W */
141 #define ME4000_AI_SAMPLE_COUNTER_REG 0xC0 /* _/W */
143 /*=============================================================================
144 Value to adjust Demux
145 ===========================================================================*/
147 #define ME4000_AO_DEMUX_ADJUST_VALUE 0x4C
149 /*=============================================================================
150 Counter base register offsets
151 ===========================================================================*/
153 #define ME4000_CNT_COUNTER_0_REG 0x00
154 #define ME4000_CNT_COUNTER_1_REG 0x01
155 #define ME4000_CNT_COUNTER_2_REG 0x02
156 #define ME4000_CNT_CTRL_REG 0x03
158 /*=============================================================================
159 PLX base register offsets
160 ===========================================================================*/
162 #define PLX_INTCSR 0x4C /* Interrupt control and status register */
163 #define PLX_ICR 0x50 /* Initialization control register */
165 /*=============================================================================
166 Bits for the PLX_ICSR register
167 ===========================================================================*/
169 #define PLX_INTCSR_LOCAL_INT1_EN 0x01 /* If set, local interrupt 1 is enabled (r/w) */
170 #define PLX_INTCSR_LOCAL_INT1_POL 0x02 /* If set, local interrupt 1 polarity is active high (r/w) */
171 #define PLX_INTCSR_LOCAL_INT1_STATE 0x04 /* If set, local interrupt 1 is active (r/_) */
172 #define PLX_INTCSR_LOCAL_INT2_EN 0x08 /* If set, local interrupt 2 is enabled (r/w) */
173 #define PLX_INTCSR_LOCAL_INT2_POL 0x10 /* If set, local interrupt 2 polarity is active high (r/w) */
174 #define PLX_INTCSR_LOCAL_INT2_STATE 0x20 /* If set, local interrupt 2 is active (r/_) */
175 #define PLX_INTCSR_PCI_INT_EN 0x40 /* If set, PCI interrupt is enabled (r/w) */
176 #define PLX_INTCSR_SOFT_INT 0x80 /* If set, a software interrupt is generated (r/w) */
178 /*=============================================================================
179 Bits for the PLX_ICR register
180 ===========================================================================*/
182 #define PLX_ICR_BIT_EEPROM_CLOCK_SET 0x01000000
183 #define PLX_ICR_BIT_EEPROM_CHIP_SELECT 0x02000000
184 #define PLX_ICR_BIT_EEPROM_WRITE 0x04000000
185 #define PLX_ICR_BIT_EEPROM_READ 0x08000000
186 #define PLX_ICR_BIT_EEPROM_VALID 0x10000000
188 #define PLX_ICR_MASK_EEPROM 0x1F000000
190 #define EEPROM_DELAY 1
192 /*=============================================================================
193 Bits for the ME4000_AO_CTRL_REG register
194 ===========================================================================*/
196 #define ME4000_AO_CTRL_BIT_MODE_0 0x001
197 #define ME4000_AO_CTRL_BIT_MODE_1 0x002
198 #define ME4000_AO_CTRL_MASK_MODE 0x003
199 #define ME4000_AO_CTRL_BIT_STOP 0x004
200 #define ME4000_AO_CTRL_BIT_ENABLE_FIFO 0x008
201 #define ME4000_AO_CTRL_BIT_ENABLE_EX_TRIG 0x010
202 #define ME4000_AO_CTRL_BIT_EX_TRIG_EDGE 0x020
203 #define ME4000_AO_CTRL_BIT_IMMEDIATE_STOP 0x080
204 #define ME4000_AO_CTRL_BIT_ENABLE_DO 0x100
205 #define ME4000_AO_CTRL_BIT_ENABLE_IRQ 0x200
206 #define ME4000_AO_CTRL_BIT_RESET_IRQ 0x400
208 /*=============================================================================
209 Bits for the ME4000_AO_STATUS_REG register
210 ===========================================================================*/
212 #define ME4000_AO_STATUS_BIT_FSM 0x01
213 #define ME4000_AO_STATUS_BIT_FF 0x02
214 #define ME4000_AO_STATUS_BIT_HF 0x04
215 #define ME4000_AO_STATUS_BIT_EF 0x08
217 /*=============================================================================
218 Bits for the ME4000_AI_CTRL_REG register
219 ===========================================================================*/
221 #define ME4000_AI_CTRL_BIT_MODE_0 0x00000001
222 #define ME4000_AI_CTRL_BIT_MODE_1 0x00000002
223 #define ME4000_AI_CTRL_BIT_MODE_2 0x00000004
224 #define ME4000_AI_CTRL_BIT_SAMPLE_HOLD 0x00000008
225 #define ME4000_AI_CTRL_BIT_IMMEDIATE_STOP 0x00000010
226 #define ME4000_AI_CTRL_BIT_STOP 0x00000020
227 #define ME4000_AI_CTRL_BIT_CHANNEL_FIFO 0x00000040
228 #define ME4000_AI_CTRL_BIT_DATA_FIFO 0x00000080
229 #define ME4000_AI_CTRL_BIT_FULLSCALE 0x00000100
230 #define ME4000_AI_CTRL_BIT_OFFSET 0x00000200
231 #define ME4000_AI_CTRL_BIT_EX_TRIG_ANALOG 0x00000400
232 #define ME4000_AI_CTRL_BIT_EX_TRIG 0x00000800
233 #define ME4000_AI_CTRL_BIT_EX_TRIG_FALLING 0x00001000
234 #define ME4000_AI_CTRL_BIT_EX_IRQ 0x00002000
235 #define ME4000_AI_CTRL_BIT_EX_IRQ_RESET 0x00004000
236 #define ME4000_AI_CTRL_BIT_LE_IRQ 0x00008000
237 #define ME4000_AI_CTRL_BIT_LE_IRQ_RESET 0x00010000
238 #define ME4000_AI_CTRL_BIT_HF_IRQ 0x00020000
239 #define ME4000_AI_CTRL_BIT_HF_IRQ_RESET 0x00040000
240 #define ME4000_AI_CTRL_BIT_SC_IRQ 0x00080000
241 #define ME4000_AI_CTRL_BIT_SC_IRQ_RESET 0x00100000
242 #define ME4000_AI_CTRL_BIT_SC_RELOAD 0x00200000
243 #define ME4000_AI_CTRL_BIT_EX_TRIG_BOTH 0x80000000
245 /*=============================================================================
246 Bits for the ME4000_AI_STATUS_REG register
247 ===========================================================================*/
249 #define ME4000_AI_STATUS_BIT_EF_CHANNEL 0x00400000
250 #define ME4000_AI_STATUS_BIT_HF_CHANNEL 0x00800000
251 #define ME4000_AI_STATUS_BIT_FF_CHANNEL 0x01000000
252 #define ME4000_AI_STATUS_BIT_EF_DATA 0x02000000
253 #define ME4000_AI_STATUS_BIT_HF_DATA 0x04000000
254 #define ME4000_AI_STATUS_BIT_FF_DATA 0x08000000
255 #define ME4000_AI_STATUS_BIT_LE 0x10000000
256 #define ME4000_AI_STATUS_BIT_FSM 0x20000000
258 /*=============================================================================
259 Bits for the ME4000_IRQ_STATUS_REG register
260 ===========================================================================*/
262 #define ME4000_IRQ_STATUS_BIT_EX 0x01
263 #define ME4000_IRQ_STATUS_BIT_LE 0x02
264 #define ME4000_IRQ_STATUS_BIT_AI_HF 0x04
265 #define ME4000_IRQ_STATUS_BIT_AO_0_HF 0x08
266 #define ME4000_IRQ_STATUS_BIT_AO_1_HF 0x10
267 #define ME4000_IRQ_STATUS_BIT_AO_2_HF 0x20
268 #define ME4000_IRQ_STATUS_BIT_AO_3_HF 0x40
269 #define ME4000_IRQ_STATUS_BIT_SC 0x80
271 /*=============================================================================
272 Bits for the ME4000_DIO_CTRL_REG register
273 ===========================================================================*/
275 #define ME4000_DIO_CTRL_BIT_MODE_0 0x0001
276 #define ME4000_DIO_CTRL_BIT_MODE_1 0x0002
277 #define ME4000_DIO_CTRL_BIT_MODE_2 0x0004
278 #define ME4000_DIO_CTRL_BIT_MODE_3 0x0008
279 #define ME4000_DIO_CTRL_BIT_MODE_4 0x0010
280 #define ME4000_DIO_CTRL_BIT_MODE_5 0x0020
281 #define ME4000_DIO_CTRL_BIT_MODE_6 0x0040
282 #define ME4000_DIO_CTRL_BIT_MODE_7 0x0080
284 #define ME4000_DIO_CTRL_BIT_FUNCTION_0 0x0100
285 #define ME4000_DIO_CTRL_BIT_FUNCTION_1 0x0200
287 #define ME4000_DIO_CTRL_BIT_FIFO_HIGH_0 0x0400
288 #define ME4000_DIO_CTRL_BIT_FIFO_HIGH_1 0x0800
289 #define ME4000_DIO_CTRL_BIT_FIFO_HIGH_2 0x1000
290 #define ME4000_DIO_CTRL_BIT_FIFO_HIGH_3 0x2000
292 /*=============================================================================
293 Information about the hardware capabilities
294 ===========================================================================*/
296 struct me4000_ao_info {
297 int count;
298 int fifo_count;
301 struct me4000_ai_info {
302 int count;
303 int sh_count;
304 int diff_count;
305 int ex_trig_analog;
308 struct me4000_dio_info {
309 int count;
312 struct me4000_cnt_info {
313 int count;
316 struct me4000_board {
317 const char *name;
318 unsigned short device_id;
319 struct me4000_ao_info ao;
320 struct me4000_ai_info ai;
321 struct me4000_dio_info dio;
322 struct me4000_cnt_info cnt;
325 #define thisboard ((const struct me4000_board *)dev->board_ptr)
327 /*=============================================================================
328 Global board and subdevice information structures
329 ===========================================================================*/
331 struct me4000_ao_context {
332 int irq;
334 unsigned long mirror; /* Store the last written value */
336 unsigned long ctrl_reg;
337 unsigned long status_reg;
338 unsigned long fifo_reg;
339 unsigned long single_reg;
340 unsigned long timer_reg;
341 unsigned long irq_status_reg;
342 unsigned long preload_reg;
345 struct me4000_ai_context {
346 int irq;
348 unsigned long ctrl_reg;
349 unsigned long status_reg;
350 unsigned long channel_list_reg;
351 unsigned long data_reg;
352 unsigned long chan_timer_reg;
353 unsigned long chan_pre_timer_reg;
354 unsigned long scan_timer_low_reg;
355 unsigned long scan_timer_high_reg;
356 unsigned long scan_pre_timer_low_reg;
357 unsigned long scan_pre_timer_high_reg;
358 unsigned long start_reg;
359 unsigned long irq_status_reg;
360 unsigned long sample_counter_reg;
363 struct me4000_dio_context {
364 unsigned long dir_reg;
365 unsigned long ctrl_reg;
366 unsigned long port_0_reg;
367 unsigned long port_1_reg;
368 unsigned long port_2_reg;
369 unsigned long port_3_reg;
372 struct me4000_cnt_context {
373 unsigned long ctrl_reg;
374 unsigned long counter_0_reg;
375 unsigned long counter_1_reg;
376 unsigned long counter_2_reg;
379 struct me4000_info {
380 unsigned long plx_regbase; /* PLX configuration space base address */
381 unsigned long me4000_regbase; /* Base address of the ME4000 */
382 unsigned long timer_regbase; /* Base address of the timer circuit */
383 unsigned long program_regbase; /* Base address to set the program pin for the xilinx */
385 unsigned long plx_regbase_size; /* PLX register set space */
386 unsigned long me4000_regbase_size; /* ME4000 register set space */
387 unsigned long timer_regbase_size; /* Timer circuit register set space */
388 unsigned long program_regbase_size; /* Size of program base address of the ME4000 */
390 unsigned int serial_no; /* Serial number of the board */
391 unsigned char hw_revision; /* Hardware revision of the board */
392 unsigned short vendor_id; /* Meilhaus vendor id */
393 unsigned short device_id; /* Device id */
395 struct pci_dev *pci_dev_p; /* General PCI information */
397 unsigned int irq; /* IRQ assigned from the PCI BIOS */
399 struct me4000_ai_context ai_context; /* Analog input specific context */
400 struct me4000_ao_context ao_context[4]; /* Vector with analog output specific context */
401 struct me4000_dio_context dio_context; /* Digital I/O specific context */
402 struct me4000_cnt_context cnt_context; /* Counter specific context */
405 #define info ((struct me4000_info *)dev->private)
407 /*-----------------------------------------------------------------------------
408 Defines for analog input
409 ----------------------------------------------------------------------------*/
411 /* General stuff */
412 #define ME4000_AI_FIFO_COUNT 2048
414 #define ME4000_AI_MIN_TICKS 66
415 #define ME4000_AI_MIN_SAMPLE_TIME 2000 /* Minimum sample time [ns] */
416 #define ME4000_AI_BASE_FREQUENCY (unsigned int) 33E6
418 /* Channel list defines and masks */
419 #define ME4000_AI_CHANNEL_LIST_COUNT 1024
421 #define ME4000_AI_LIST_INPUT_SINGLE_ENDED 0x000
422 #define ME4000_AI_LIST_INPUT_DIFFERENTIAL 0x020
424 #define ME4000_AI_LIST_RANGE_BIPOLAR_10 0x000
425 #define ME4000_AI_LIST_RANGE_BIPOLAR_2_5 0x040
426 #define ME4000_AI_LIST_RANGE_UNIPOLAR_10 0x080
427 #define ME4000_AI_LIST_RANGE_UNIPOLAR_2_5 0x0C0
429 #define ME4000_AI_LIST_LAST_ENTRY 0x100
431 /*-----------------------------------------------------------------------------
432 Defines for counters
433 ----------------------------------------------------------------------------*/
435 #define ME4000_CNT_COUNTER_0 0x00
436 #define ME4000_CNT_COUNTER_1 0x40
437 #define ME4000_CNT_COUNTER_2 0x80
439 #define ME4000_CNT_MODE_0 0x00 /* Change state if zero crossing */
440 #define ME4000_CNT_MODE_1 0x02 /* Retriggerable One-Shot */
441 #define ME4000_CNT_MODE_2 0x04 /* Asymmetrical divider */
442 #define ME4000_CNT_MODE_3 0x06 /* Symmetrical divider */
443 #define ME4000_CNT_MODE_4 0x08 /* Counter start by software trigger */
444 #define ME4000_CNT_MODE_5 0x0A /* Counter start by hardware trigger */
446 #endif