diff options
author | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-22 10:38:37 -0500 |
---|---|---|
committer | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-22 10:38:37 -0500 |
commit | fcc9d2e5a6c89d22b8b773a64fb4ad21ac318446 (patch) | |
tree | a57612d1888735a2ec7972891b68c1ac5ec8faea /arch/arm/plat-omap/include/plat/mcbsp.h | |
parent | 8dea78da5cee153b8af9c07a2745f6c55057fe12 (diff) |
Diffstat (limited to 'arch/arm/plat-omap/include/plat/mcbsp.h')
-rw-r--r-- | arch/arm/plat-omap/include/plat/mcbsp.h | 473 |
1 files changed, 473 insertions, 0 deletions
diff --git a/arch/arm/plat-omap/include/plat/mcbsp.h b/arch/arm/plat-omap/include/plat/mcbsp.h new file mode 100644 index 00000000000..9882c657b2d --- /dev/null +++ b/arch/arm/plat-omap/include/plat/mcbsp.h | |||
@@ -0,0 +1,473 @@ | |||
1 | /* | ||
2 | * arch/arm/plat-omap/include/mach/mcbsp.h | ||
3 | * | ||
4 | * Defines for Multi-Channel Buffered Serial Port | ||
5 | * | ||
6 | * Copyright (C) 2002 RidgeRun, Inc. | ||
7 | * Author: Steve Johnson | ||
8 | * | ||
9 | * This program is free software; you can redistribute it and/or modify | ||
10 | * it under the terms of the GNU General Public License as published by | ||
11 | * the Free Software Foundation; either version 2 of the License, or | ||
12 | * (at your option) any later version. | ||
13 | * | ||
14 | * This program is distributed in the hope that it will be useful, | ||
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
17 | * GNU General Public License for more details. | ||
18 | * | ||
19 | * You should have received a copy of the GNU General Public License | ||
20 | * along with this program; if not, write to the Free Software | ||
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
22 | * | ||
23 | */ | ||
24 | #ifndef __ASM_ARCH_OMAP_MCBSP_H | ||
25 | #define __ASM_ARCH_OMAP_MCBSP_H | ||
26 | |||
27 | #include <linux/spinlock.h> | ||
28 | |||
29 | #include <mach/hardware.h> | ||
30 | #include <plat/clock.h> | ||
31 | |||
32 | /* macro for building platform_device for McBSP ports */ | ||
33 | #define OMAP_MCBSP_PLATFORM_DEVICE(port_nr) \ | ||
34 | static struct platform_device omap_mcbsp##port_nr = { \ | ||
35 | .name = "omap-mcbsp-dai", \ | ||
36 | .id = port_nr - 1, \ | ||
37 | } | ||
38 | |||
39 | #define MCBSP_CONFIG_TYPE2 0x2 | ||
40 | #define MCBSP_CONFIG_TYPE3 0x3 | ||
41 | #define MCBSP_CONFIG_TYPE4 0x4 | ||
42 | |||
43 | #define OMAP7XX_MCBSP1_BASE 0xfffb1000 | ||
44 | #define OMAP7XX_MCBSP2_BASE 0xfffb1800 | ||
45 | |||
46 | #define OMAP1510_MCBSP1_BASE 0xe1011800 | ||
47 | #define OMAP1510_MCBSP2_BASE 0xfffb1000 | ||
48 | #define OMAP1510_MCBSP3_BASE 0xe1017000 | ||
49 | |||
50 | #define OMAP1610_MCBSP1_BASE 0xe1011800 | ||
51 | #define OMAP1610_MCBSP2_BASE 0xfffb1000 | ||
52 | #define OMAP1610_MCBSP3_BASE 0xe1017000 | ||
53 | |||
54 | #ifdef CONFIG_ARCH_OMAP1 | ||
55 | |||
56 | #define OMAP_MCBSP_REG_DRR2 0x00 | ||
57 | #define OMAP_MCBSP_REG_DRR1 0x02 | ||
58 | #define OMAP_MCBSP_REG_DXR2 0x04 | ||
59 | #define OMAP_MCBSP_REG_DXR1 0x06 | ||
60 | #define OMAP_MCBSP_REG_DRR 0x02 | ||
61 | #define OMAP_MCBSP_REG_DXR 0x06 | ||
62 | #define OMAP_MCBSP_REG_SPCR2 0x08 | ||
63 | #define OMAP_MCBSP_REG_SPCR1 0x0a | ||
64 | #define OMAP_MCBSP_REG_RCR2 0x0c | ||
65 | #define OMAP_MCBSP_REG_RCR1 0x0e | ||
66 | #define OMAP_MCBSP_REG_XCR2 0x10 | ||
67 | #define OMAP_MCBSP_REG_XCR1 0x12 | ||
68 | #define OMAP_MCBSP_REG_SRGR2 0x14 | ||
69 | #define OMAP_MCBSP_REG_SRGR1 0x16 | ||
70 | #define OMAP_MCBSP_REG_MCR2 0x18 | ||
71 | #define OMAP_MCBSP_REG_MCR1 0x1a | ||
72 | #define OMAP_MCBSP_REG_RCERA 0x1c | ||
73 | #define OMAP_MCBSP_REG_RCERB 0x1e | ||
74 | #define OMAP_MCBSP_REG_XCERA 0x20 | ||
75 | #define OMAP_MCBSP_REG_XCERB 0x22 | ||
76 | #define OMAP_MCBSP_REG_PCR0 0x24 | ||
77 | #define OMAP_MCBSP_REG_RCERC 0x26 | ||
78 | #define OMAP_MCBSP_REG_RCERD 0x28 | ||
79 | #define OMAP_MCBSP_REG_XCERC 0x2A | ||
80 | #define OMAP_MCBSP_REG_XCERD 0x2C | ||
81 | #define OMAP_MCBSP_REG_RCERE 0x2E | ||
82 | #define OMAP_MCBSP_REG_RCERF 0x30 | ||
83 | #define OMAP_MCBSP_REG_XCERE 0x32 | ||
84 | #define OMAP_MCBSP_REG_XCERF 0x34 | ||
85 | #define OMAP_MCBSP_REG_RCERG 0x36 | ||
86 | #define OMAP_MCBSP_REG_RCERH 0x38 | ||
87 | #define OMAP_MCBSP_REG_XCERG 0x3A | ||
88 | #define OMAP_MCBSP_REG_XCERH 0x3C | ||
89 | |||
90 | /* Dummy defines, these are not available on omap1 */ | ||
91 | #define OMAP_MCBSP_REG_XCCR 0x00 | ||
92 | #define OMAP_MCBSP_REG_RCCR 0x00 | ||
93 | |||
94 | #else | ||
95 | |||
96 | #define OMAP_MCBSP_REG_DRR2 0x00 | ||
97 | #define OMAP_MCBSP_REG_DRR1 0x04 | ||
98 | #define OMAP_MCBSP_REG_DXR2 0x08 | ||
99 | #define OMAP_MCBSP_REG_DXR1 0x0C | ||
100 | #define OMAP_MCBSP_REG_DRR 0x00 | ||
101 | #define OMAP_MCBSP_REG_DXR 0x08 | ||
102 | #define OMAP_MCBSP_REG_SPCR2 0x10 | ||
103 | #define OMAP_MCBSP_REG_SPCR1 0x14 | ||
104 | #define OMAP_MCBSP_REG_RCR2 0x18 | ||
105 | #define OMAP_MCBSP_REG_RCR1 0x1C | ||
106 | #define OMAP_MCBSP_REG_XCR2 0x20 | ||
107 | #define OMAP_MCBSP_REG_XCR1 0x24 | ||
108 | #define OMAP_MCBSP_REG_SRGR2 0x28 | ||
109 | #define OMAP_MCBSP_REG_SRGR1 0x2C | ||
110 | #define OMAP_MCBSP_REG_MCR2 0x30 | ||
111 | #define OMAP_MCBSP_REG_MCR1 0x34 | ||
112 | #define OMAP_MCBSP_REG_RCERA 0x38 | ||
113 | #define OMAP_MCBSP_REG_RCERB 0x3C | ||
114 | #define OMAP_MCBSP_REG_XCERA 0x40 | ||
115 | #define OMAP_MCBSP_REG_XCERB 0x44 | ||
116 | #define OMAP_MCBSP_REG_PCR0 0x48 | ||
117 | #define OMAP_MCBSP_REG_RCERC 0x4C | ||
118 | #define OMAP_MCBSP_REG_RCERD 0x50 | ||
119 | #define OMAP_MCBSP_REG_XCERC 0x54 | ||
120 | #define OMAP_MCBSP_REG_XCERD 0x58 | ||
121 | #define OMAP_MCBSP_REG_RCERE 0x5C | ||
122 | #define OMAP_MCBSP_REG_RCERF 0x60 | ||
123 | #define OMAP_MCBSP_REG_XCERE 0x64 | ||
124 | #define OMAP_MCBSP_REG_XCERF 0x68 | ||
125 | #define OMAP_MCBSP_REG_RCERG 0x6C | ||
126 | #define OMAP_MCBSP_REG_RCERH 0x70 | ||
127 | #define OMAP_MCBSP_REG_XCERG 0x74 | ||
128 | #define OMAP_MCBSP_REG_XCERH 0x78 | ||
129 | #define OMAP_MCBSP_REG_SYSCON 0x8C | ||
130 | #define OMAP_MCBSP_REG_THRSH2 0x90 | ||
131 | #define OMAP_MCBSP_REG_THRSH1 0x94 | ||
132 | #define OMAP_MCBSP_REG_IRQST 0xA0 | ||
133 | #define OMAP_MCBSP_REG_IRQEN 0xA4 | ||
134 | #define OMAP_MCBSP_REG_WAKEUPEN 0xA8 | ||
135 | #define OMAP_MCBSP_REG_XCCR 0xAC | ||
136 | #define OMAP_MCBSP_REG_RCCR 0xB0 | ||
137 | #define OMAP_MCBSP_REG_XBUFFSTAT 0xB4 | ||
138 | #define OMAP_MCBSP_REG_RBUFFSTAT 0xB8 | ||
139 | #define OMAP_MCBSP_REG_SSELCR 0xBC | ||
140 | |||
141 | #define OMAP_ST_REG_REV 0x00 | ||
142 | #define OMAP_ST_REG_SYSCONFIG 0x10 | ||
143 | #define OMAP_ST_REG_IRQSTATUS 0x18 | ||
144 | #define OMAP_ST_REG_IRQENABLE 0x1C | ||
145 | #define OMAP_ST_REG_SGAINCR 0x24 | ||
146 | #define OMAP_ST_REG_SFIRCR 0x28 | ||
147 | #define OMAP_ST_REG_SSELCR 0x2C | ||
148 | |||
149 | #endif | ||
150 | |||
151 | /************************** McBSP SPCR1 bit definitions ***********************/ | ||
152 | #define RRST 0x0001 | ||
153 | #define RRDY 0x0002 | ||
154 | #define RFULL 0x0004 | ||
155 | #define RSYNC_ERR 0x0008 | ||
156 | #define RINTM(value) ((value)<<4) /* bits 4:5 */ | ||
157 | #define ABIS 0x0040 | ||
158 | #define DXENA 0x0080 | ||
159 | #define CLKSTP(value) ((value)<<11) /* bits 11:12 */ | ||
160 | #define RJUST(value) ((value)<<13) /* bits 13:14 */ | ||
161 | #define ALB 0x8000 | ||
162 | #define DLB 0x8000 | ||
163 | |||
164 | /************************** McBSP SPCR2 bit definitions ***********************/ | ||
165 | #define XRST 0x0001 | ||
166 | #define XRDY 0x0002 | ||
167 | #define XEMPTY 0x0004 | ||
168 | #define XSYNC_ERR 0x0008 | ||
169 | #define XINTM(value) ((value)<<4) /* bits 4:5 */ | ||
170 | #define GRST 0x0040 | ||
171 | #define FRST 0x0080 | ||
172 | #define SOFT 0x0100 | ||
173 | #define FREE 0x0200 | ||
174 | |||
175 | /************************** McBSP PCR bit definitions *************************/ | ||
176 | #define CLKRP 0x0001 | ||
177 | #define CLKXP 0x0002 | ||
178 | #define FSRP 0x0004 | ||
179 | #define FSXP 0x0008 | ||
180 | #define DR_STAT 0x0010 | ||
181 | #define DX_STAT 0x0020 | ||
182 | #define CLKS_STAT 0x0040 | ||
183 | #define SCLKME 0x0080 | ||
184 | #define CLKRM 0x0100 | ||
185 | #define CLKXM 0x0200 | ||
186 | #define FSRM 0x0400 | ||
187 | #define FSXM 0x0800 | ||
188 | #define RIOEN 0x1000 | ||
189 | #define XIOEN 0x2000 | ||
190 | #define IDLE_EN 0x4000 | ||
191 | |||
192 | /************************** McBSP RCR1 bit definitions ************************/ | ||
193 | #define RWDLEN1(value) ((value)<<5) /* Bits 5:7 */ | ||
194 | #define RFRLEN1(value) ((value)<<8) /* Bits 8:14 */ | ||
195 | |||
196 | /************************** McBSP XCR1 bit definitions ************************/ | ||
197 | #define XWDLEN1(value) ((value)<<5) /* Bits 5:7 */ | ||
198 | #define XFRLEN1(value) ((value)<<8) /* Bits 8:14 */ | ||
199 | |||
200 | /*************************** McBSP RCR2 bit definitions ***********************/ | ||
201 | #define RDATDLY(value) (value) /* Bits 0:1 */ | ||
202 | #define RFIG 0x0004 | ||
203 | #define RCOMPAND(value) ((value)<<3) /* Bits 3:4 */ | ||
204 | #define RWDLEN2(value) ((value)<<5) /* Bits 5:7 */ | ||
205 | #define RFRLEN2(value) ((value)<<8) /* Bits 8:14 */ | ||
206 | #define RPHASE 0x8000 | ||
207 | |||
208 | /*************************** McBSP XCR2 bit definitions ***********************/ | ||
209 | #define XDATDLY(value) (value) /* Bits 0:1 */ | ||
210 | #define XFIG 0x0004 | ||
211 | #define XCOMPAND(value) ((value)<<3) /* Bits 3:4 */ | ||
212 | #define XWDLEN2(value) ((value)<<5) /* Bits 5:7 */ | ||
213 | #define XFRLEN2(value) ((value)<<8) /* Bits 8:14 */ | ||
214 | #define XPHASE 0x8000 | ||
215 | |||
216 | /************************* McBSP SRGR1 bit definitions ************************/ | ||
217 | #define CLKGDV(value) (value) /* Bits 0:7 */ | ||
218 | #define FWID(value) ((value)<<8) /* Bits 8:15 */ | ||
219 | |||
220 | /************************* McBSP SRGR2 bit definitions ************************/ | ||
221 | #define FPER(value) (value) /* Bits 0:11 */ | ||
222 | #define FSGM 0x1000 | ||
223 | #define CLKSM 0x2000 | ||
224 | #define CLKSP 0x4000 | ||
225 | #define GSYNC 0x8000 | ||
226 | |||
227 | /************************* McBSP MCR1 bit definitions *************************/ | ||
228 | #define RMCM 0x0001 | ||
229 | #define RCBLK(value) ((value)<<2) /* Bits 2:4 */ | ||
230 | #define RPABLK(value) ((value)<<5) /* Bits 5:6 */ | ||
231 | #define RPBBLK(value) ((value)<<7) /* Bits 7:8 */ | ||
232 | |||
233 | /************************* McBSP MCR2 bit definitions *************************/ | ||
234 | #define XMCM(value) (value) /* Bits 0:1 */ | ||
235 | #define XCBLK(value) ((value)<<2) /* Bits 2:4 */ | ||
236 | #define XPABLK(value) ((value)<<5) /* Bits 5:6 */ | ||
237 | #define XPBBLK(value) ((value)<<7) /* Bits 7:8 */ | ||
238 | |||
239 | /*********************** McBSP XCCR bit definitions *************************/ | ||
240 | #define EXTCLKGATE 0x8000 | ||
241 | #define PPCONNECT 0x4000 | ||
242 | #define DXENDLY(value) ((value)<<12) /* Bits 12:13 */ | ||
243 | #define XFULL_CYCLE 0x0800 | ||
244 | #define DILB 0x0020 | ||
245 | #define XDMAEN 0x0008 | ||
246 | #define XDISABLE 0x0001 | ||
247 | |||
248 | /********************** McBSP RCCR bit definitions *************************/ | ||
249 | #define RFULL_CYCLE 0x0800 | ||
250 | #define RDMAEN 0x0008 | ||
251 | #define RDISABLE 0x0001 | ||
252 | |||
253 | /********************** McBSP SYSCONFIG bit definitions ********************/ | ||
254 | #define CLOCKACTIVITY(value) ((value)<<8) | ||
255 | #define SIDLEMODE(value) ((value)<<3) | ||
256 | #define ENAWAKEUP 0x0004 | ||
257 | #define SOFTRST 0x0002 | ||
258 | |||
259 | /********************** McBSP SSELCR bit definitions ***********************/ | ||
260 | #define SIDETONEEN 0x0400 | ||
261 | |||
262 | /********************** McBSP Sidetone SYSCONFIG bit definitions ***********/ | ||
263 | #define ST_AUTOIDLE 0x0001 | ||
264 | |||
265 | /********************** McBSP Sidetone SGAINCR bit definitions *************/ | ||
266 | #define ST_CH1GAIN(value) ((value<<16)) /* Bits 16:31 */ | ||
267 | #define ST_CH0GAIN(value) (value) /* Bits 0:15 */ | ||
268 | |||
269 | /********************** McBSP Sidetone SFIRCR bit definitions **************/ | ||
270 | #define ST_FIRCOEFF(value) (value) /* Bits 0:15 */ | ||
271 | |||
272 | /********************** McBSP Sidetone SSELCR bit definitions **************/ | ||
273 | #define ST_COEFFWRDONE 0x0004 | ||
274 | #define ST_COEFFWREN 0x0002 | ||
275 | #define ST_SIDETONEEN 0x0001 | ||
276 | |||
277 | /********************** McBSP DMA operating modes **************************/ | ||
278 | #define MCBSP_DMA_MODE_ELEMENT 0 | ||
279 | #define MCBSP_DMA_MODE_THRESHOLD 1 | ||
280 | #define MCBSP_DMA_MODE_FRAME 2 | ||
281 | |||
282 | /********************** McBSP WAKEUPEN bit definitions *********************/ | ||
283 | #define XEMPTYEOFEN 0x4000 | ||
284 | #define XRDYEN 0x0400 | ||
285 | #define XEOFEN 0x0200 | ||
286 | #define XFSXEN 0x0100 | ||
287 | #define XSYNCERREN 0x0080 | ||
288 | #define RRDYEN 0x0008 | ||
289 | #define REOFEN 0x0004 | ||
290 | #define RFSREN 0x0002 | ||
291 | #define RSYNCERREN 0x0001 | ||
292 | |||
293 | /* CLKR signal muxing options */ | ||
294 | #define CLKR_SRC_CLKR 0 | ||
295 | #define CLKR_SRC_CLKX 1 | ||
296 | |||
297 | /* FSR signal muxing options */ | ||
298 | #define FSR_SRC_FSR 0 | ||
299 | #define FSR_SRC_FSX 1 | ||
300 | |||
301 | /* McBSP functional clock sources */ | ||
302 | #define MCBSP_CLKS_PRCM_SRC 0 | ||
303 | #define MCBSP_CLKS_PAD_SRC 1 | ||
304 | |||
305 | /* we don't do multichannel for now */ | ||
306 | struct omap_mcbsp_reg_cfg { | ||
307 | u16 spcr2; | ||
308 | u16 spcr1; | ||
309 | u16 rcr2; | ||
310 | u16 rcr1; | ||
311 | u16 xcr2; | ||
312 | u16 xcr1; | ||
313 | u16 srgr2; | ||
314 | u16 srgr1; | ||
315 | u16 mcr2; | ||
316 | u16 mcr1; | ||
317 | u16 pcr0; | ||
318 | u16 rcerc; | ||
319 | u16 rcerd; | ||
320 | u16 xcerc; | ||
321 | u16 xcerd; | ||
322 | u16 rcere; | ||
323 | u16 rcerf; | ||
324 | u16 xcere; | ||
325 | u16 xcerf; | ||
326 | u16 rcerg; | ||
327 | u16 rcerh; | ||
328 | u16 xcerg; | ||
329 | u16 xcerh; | ||
330 | u16 xccr; | ||
331 | u16 rccr; | ||
332 | }; | ||
333 | |||
334 | typedef enum { | ||
335 | OMAP_MCBSP_WORD_8 = 0, | ||
336 | OMAP_MCBSP_WORD_12, | ||
337 | OMAP_MCBSP_WORD_16, | ||
338 | OMAP_MCBSP_WORD_20, | ||
339 | OMAP_MCBSP_WORD_24, | ||
340 | OMAP_MCBSP_WORD_32, | ||
341 | } omap_mcbsp_word_length; | ||
342 | |||
343 | /* Platform specific configuration */ | ||
344 | struct omap_mcbsp_ops { | ||
345 | void (*request)(unsigned int); | ||
346 | void (*free)(unsigned int); | ||
347 | int (*set_clks_src)(u8, u8); | ||
348 | }; | ||
349 | |||
350 | struct omap_mcbsp_platform_data { | ||
351 | unsigned long phys_base; | ||
352 | u8 dma_rx_sync, dma_tx_sync; | ||
353 | u16 rx_irq, tx_irq; | ||
354 | struct omap_mcbsp_ops *ops; | ||
355 | #ifdef CONFIG_ARCH_OMAP3 | ||
356 | /* Sidetone block for McBSP 2 and 3 */ | ||
357 | unsigned long phys_base_st; | ||
358 | #endif | ||
359 | u16 buffer_size; | ||
360 | unsigned int mcbsp_config_type; | ||
361 | }; | ||
362 | |||
363 | struct omap_mcbsp_st_data { | ||
364 | void __iomem *io_base_st; | ||
365 | bool running; | ||
366 | bool enabled; | ||
367 | s16 taps[128]; /* Sidetone filter coefficients */ | ||
368 | int nr_taps; /* Number of filter coefficients in use */ | ||
369 | s16 ch0gain; | ||
370 | s16 ch1gain; | ||
371 | }; | ||
372 | |||
373 | struct omap_mcbsp { | ||
374 | struct device *dev; | ||
375 | unsigned long phys_base; | ||
376 | unsigned long phys_dma_base; | ||
377 | void __iomem *io_base; | ||
378 | u8 id; | ||
379 | u8 free; | ||
380 | |||
381 | int rx_irq; | ||
382 | int tx_irq; | ||
383 | |||
384 | /* DMA stuff */ | ||
385 | u8 dma_rx_sync; | ||
386 | u8 dma_tx_sync; | ||
387 | |||
388 | /* Protect the field .free, while checking if the mcbsp is in use */ | ||
389 | spinlock_t lock; | ||
390 | struct omap_mcbsp_platform_data *pdata; | ||
391 | struct clk *fclk; | ||
392 | #ifdef CONFIG_ARCH_OMAP3 | ||
393 | struct omap_mcbsp_st_data *st_data; | ||
394 | int dma_op_mode; | ||
395 | u16 max_tx_thres; | ||
396 | u16 max_rx_thres; | ||
397 | #endif | ||
398 | void *reg_cache; | ||
399 | unsigned int mcbsp_config_type; | ||
400 | }; | ||
401 | |||
402 | /** | ||
403 | * omap_mcbsp_dev_attr - OMAP McBSP device attributes for omap_hwmod | ||
404 | * @sidetone: name of the sidetone device | ||
405 | */ | ||
406 | struct omap_mcbsp_dev_attr { | ||
407 | const char *sidetone; | ||
408 | }; | ||
409 | |||
410 | extern struct omap_mcbsp **mcbsp_ptr; | ||
411 | extern int omap_mcbsp_count, omap_mcbsp_cache_size; | ||
412 | |||
413 | #define omap_mcbsp_check_valid_id(id) (id < omap_mcbsp_count) | ||
414 | #define id_to_mcbsp_ptr(id) mcbsp_ptr[id]; | ||
415 | |||
416 | int omap_mcbsp_init(void); | ||
417 | void omap_mcbsp_register_board_cfg(struct resource *res, int res_count, | ||
418 | struct omap_mcbsp_platform_data *config, int size); | ||
419 | void omap_mcbsp_config(unsigned int id, const struct omap_mcbsp_reg_cfg * config); | ||
420 | #ifdef CONFIG_ARCH_OMAP3 | ||
421 | void omap_mcbsp_set_tx_threshold(unsigned int id, u16 threshold); | ||
422 | void omap_mcbsp_set_rx_threshold(unsigned int id, u16 threshold); | ||
423 | u16 omap_mcbsp_get_max_tx_threshold(unsigned int id); | ||
424 | u16 omap_mcbsp_get_max_rx_threshold(unsigned int id); | ||
425 | u16 omap_mcbsp_get_fifo_size(unsigned int id); | ||
426 | u16 omap_mcbsp_get_tx_delay(unsigned int id); | ||
427 | u16 omap_mcbsp_get_rx_delay(unsigned int id); | ||
428 | int omap_mcbsp_get_dma_op_mode(unsigned int id); | ||
429 | #else | ||
430 | static inline void omap_mcbsp_set_tx_threshold(unsigned int id, u16 threshold) | ||
431 | { } | ||
432 | static inline void omap_mcbsp_set_rx_threshold(unsigned int id, u16 threshold) | ||
433 | { } | ||
434 | static inline u16 omap_mcbsp_get_max_tx_threshold(unsigned int id) { return 0; } | ||
435 | static inline u16 omap_mcbsp_get_max_rx_threshold(unsigned int id) { return 0; } | ||
436 | static inline u16 omap_mcbsp_get_fifo_size(unsigned int id) { return 0; } | ||
437 | static inline u16 omap_mcbsp_get_tx_delay(unsigned int id) { return 0; } | ||
438 | static inline u16 omap_mcbsp_get_rx_delay(unsigned int id) { return 0; } | ||
439 | static inline int omap_mcbsp_get_dma_op_mode(unsigned int id) { return 0; } | ||
440 | #endif | ||
441 | int omap_mcbsp_request(unsigned int id); | ||
442 | void omap_mcbsp_free(unsigned int id); | ||
443 | void omap_mcbsp_start(unsigned int id, int tx, int rx); | ||
444 | void omap_mcbsp_stop(unsigned int id, int tx, int rx); | ||
445 | |||
446 | /* McBSP functional clock source changing function */ | ||
447 | extern int omap2_mcbsp_set_clks_src(u8 id, u8 fck_src_id); | ||
448 | |||
449 | /* McBSP signal muxing API */ | ||
450 | void omap2_mcbsp1_mux_clkr_src(u8 mux); | ||
451 | void omap2_mcbsp1_mux_fsr_src(u8 mux); | ||
452 | |||
453 | int omap_mcbsp_dma_ch_params(unsigned int id, unsigned int stream); | ||
454 | int omap_mcbsp_dma_reg_params(unsigned int id, unsigned int stream); | ||
455 | |||
456 | #ifdef CONFIG_ARCH_OMAP3 | ||
457 | /* Sidetone specific API */ | ||
458 | int omap_st_set_chgain(unsigned int id, int channel, s16 chgain); | ||
459 | int omap_st_get_chgain(unsigned int id, int channel, s16 *chgain); | ||
460 | int omap_st_enable(unsigned int id); | ||
461 | int omap_st_disable(unsigned int id); | ||
462 | int omap_st_is_enabled(unsigned int id); | ||
463 | #else | ||
464 | static inline int omap_st_set_chgain(unsigned int id, int channel, | ||
465 | s16 chgain) { return 0; } | ||
466 | static inline int omap_st_get_chgain(unsigned int id, int channel, | ||
467 | s16 *chgain) { return 0; } | ||
468 | static inline int omap_st_enable(unsigned int id) { return 0; } | ||
469 | static inline int omap_st_disable(unsigned int id) { return 0; } | ||
470 | static inline int omap_st_is_enabled(unsigned int id) { return 0; } | ||
471 | #endif | ||
472 | |||
473 | #endif | ||