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-rw-r--r--arch/arm/plat-omap/include/plat/mcbsp.h333
1 files changed, 0 insertions, 333 deletions
diff --git a/arch/arm/plat-omap/include/plat/mcbsp.h b/arch/arm/plat-omap/include/plat/mcbsp.h
index 8fa74e2c9d6..18814127809 100644
--- a/arch/arm/plat-omap/include/plat/mcbsp.h
+++ b/arch/arm/plat-omap/include/plat/mcbsp.h
@@ -27,271 +27,10 @@
27#include <linux/spinlock.h> 27#include <linux/spinlock.h>
28#include <linux/clk.h> 28#include <linux/clk.h>
29 29
30/* macro for building platform_device for McBSP ports */
31#define OMAP_MCBSP_PLATFORM_DEVICE(port_nr) \
32static struct platform_device omap_mcbsp##port_nr = { \
33 .name = "omap-mcbsp-dai", \
34 .id = port_nr - 1, \
35}
36
37#define MCBSP_CONFIG_TYPE2 0x2 30#define MCBSP_CONFIG_TYPE2 0x2
38#define MCBSP_CONFIG_TYPE3 0x3 31#define MCBSP_CONFIG_TYPE3 0x3
39#define MCBSP_CONFIG_TYPE4 0x4 32#define MCBSP_CONFIG_TYPE4 0x4
40 33
41/* McBSP register numbers. Register address offset = num * reg_step */
42enum {
43 /* Common registers */
44 OMAP_MCBSP_REG_SPCR2 = 4,
45 OMAP_MCBSP_REG_SPCR1,
46 OMAP_MCBSP_REG_RCR2,
47 OMAP_MCBSP_REG_RCR1,
48 OMAP_MCBSP_REG_XCR2,
49 OMAP_MCBSP_REG_XCR1,
50 OMAP_MCBSP_REG_SRGR2,
51 OMAP_MCBSP_REG_SRGR1,
52 OMAP_MCBSP_REG_MCR2,
53 OMAP_MCBSP_REG_MCR1,
54 OMAP_MCBSP_REG_RCERA,
55 OMAP_MCBSP_REG_RCERB,
56 OMAP_MCBSP_REG_XCERA,
57 OMAP_MCBSP_REG_XCERB,
58 OMAP_MCBSP_REG_PCR0,
59 OMAP_MCBSP_REG_RCERC,
60 OMAP_MCBSP_REG_RCERD,
61 OMAP_MCBSP_REG_XCERC,
62 OMAP_MCBSP_REG_XCERD,
63 OMAP_MCBSP_REG_RCERE,
64 OMAP_MCBSP_REG_RCERF,
65 OMAP_MCBSP_REG_XCERE,
66 OMAP_MCBSP_REG_XCERF,
67 OMAP_MCBSP_REG_RCERG,
68 OMAP_MCBSP_REG_RCERH,
69 OMAP_MCBSP_REG_XCERG,
70 OMAP_MCBSP_REG_XCERH,
71
72 /* OMAP1-OMAP2420 registers */
73 OMAP_MCBSP_REG_DRR2 = 0,
74 OMAP_MCBSP_REG_DRR1,
75 OMAP_MCBSP_REG_DXR2,
76 OMAP_MCBSP_REG_DXR1,
77
78 /* OMAP2430 and onwards */
79 OMAP_MCBSP_REG_DRR = 0,
80 OMAP_MCBSP_REG_DXR = 2,
81 OMAP_MCBSP_REG_SYSCON = 35,
82 OMAP_MCBSP_REG_THRSH2,
83 OMAP_MCBSP_REG_THRSH1,
84 OMAP_MCBSP_REG_IRQST = 40,
85 OMAP_MCBSP_REG_IRQEN,
86 OMAP_MCBSP_REG_WAKEUPEN,
87 OMAP_MCBSP_REG_XCCR,
88 OMAP_MCBSP_REG_RCCR,
89 OMAP_MCBSP_REG_XBUFFSTAT,
90 OMAP_MCBSP_REG_RBUFFSTAT,
91 OMAP_MCBSP_REG_SSELCR,
92};
93
94/* OMAP3 sidetone control registers */
95#define OMAP_ST_REG_REV 0x00
96#define OMAP_ST_REG_SYSCONFIG 0x10
97#define OMAP_ST_REG_IRQSTATUS 0x18
98#define OMAP_ST_REG_IRQENABLE 0x1C
99#define OMAP_ST_REG_SGAINCR 0x24
100#define OMAP_ST_REG_SFIRCR 0x28
101#define OMAP_ST_REG_SSELCR 0x2C
102
103/************************** McBSP SPCR1 bit definitions ***********************/
104#define RRST 0x0001
105#define RRDY 0x0002
106#define RFULL 0x0004
107#define RSYNC_ERR 0x0008
108#define RINTM(value) ((value)<<4) /* bits 4:5 */
109#define ABIS 0x0040
110#define DXENA 0x0080
111#define CLKSTP(value) ((value)<<11) /* bits 11:12 */
112#define RJUST(value) ((value)<<13) /* bits 13:14 */
113#define ALB 0x8000
114#define DLB 0x8000
115
116/************************** McBSP SPCR2 bit definitions ***********************/
117#define XRST 0x0001
118#define XRDY 0x0002
119#define XEMPTY 0x0004
120#define XSYNC_ERR 0x0008
121#define XINTM(value) ((value)<<4) /* bits 4:5 */
122#define GRST 0x0040
123#define FRST 0x0080
124#define SOFT 0x0100
125#define FREE 0x0200
126
127/************************** McBSP PCR bit definitions *************************/
128#define CLKRP 0x0001
129#define CLKXP 0x0002
130#define FSRP 0x0004
131#define FSXP 0x0008
132#define DR_STAT 0x0010
133#define DX_STAT 0x0020
134#define CLKS_STAT 0x0040
135#define SCLKME 0x0080
136#define CLKRM 0x0100
137#define CLKXM 0x0200
138#define FSRM 0x0400
139#define FSXM 0x0800
140#define RIOEN 0x1000
141#define XIOEN 0x2000
142#define IDLE_EN 0x4000
143
144/************************** McBSP RCR1 bit definitions ************************/
145#define RWDLEN1(value) ((value)<<5) /* Bits 5:7 */
146#define RFRLEN1(value) ((value)<<8) /* Bits 8:14 */
147
148/************************** McBSP XCR1 bit definitions ************************/
149#define XWDLEN1(value) ((value)<<5) /* Bits 5:7 */
150#define XFRLEN1(value) ((value)<<8) /* Bits 8:14 */
151
152/*************************** McBSP RCR2 bit definitions ***********************/
153#define RDATDLY(value) (value) /* Bits 0:1 */
154#define RFIG 0x0004
155#define RCOMPAND(value) ((value)<<3) /* Bits 3:4 */
156#define RWDLEN2(value) ((value)<<5) /* Bits 5:7 */
157#define RFRLEN2(value) ((value)<<8) /* Bits 8:14 */
158#define RPHASE 0x8000
159
160/*************************** McBSP XCR2 bit definitions ***********************/
161#define XDATDLY(value) (value) /* Bits 0:1 */
162#define XFIG 0x0004
163#define XCOMPAND(value) ((value)<<3) /* Bits 3:4 */
164#define XWDLEN2(value) ((value)<<5) /* Bits 5:7 */
165#define XFRLEN2(value) ((value)<<8) /* Bits 8:14 */
166#define XPHASE 0x8000
167
168/************************* McBSP SRGR1 bit definitions ************************/
169#define CLKGDV(value) (value) /* Bits 0:7 */
170#define FWID(value) ((value)<<8) /* Bits 8:15 */
171
172/************************* McBSP SRGR2 bit definitions ************************/
173#define FPER(value) (value) /* Bits 0:11 */
174#define FSGM 0x1000
175#define CLKSM 0x2000
176#define CLKSP 0x4000
177#define GSYNC 0x8000
178
179/************************* McBSP MCR1 bit definitions *************************/
180#define RMCM 0x0001
181#define RCBLK(value) ((value)<<2) /* Bits 2:4 */
182#define RPABLK(value) ((value)<<5) /* Bits 5:6 */
183#define RPBBLK(value) ((value)<<7) /* Bits 7:8 */
184
185/************************* McBSP MCR2 bit definitions *************************/
186#define XMCM(value) (value) /* Bits 0:1 */
187#define XCBLK(value) ((value)<<2) /* Bits 2:4 */
188#define XPABLK(value) ((value)<<5) /* Bits 5:6 */
189#define XPBBLK(value) ((value)<<7) /* Bits 7:8 */
190
191/*********************** McBSP XCCR bit definitions *************************/
192#define EXTCLKGATE 0x8000
193#define PPCONNECT 0x4000
194#define DXENDLY(value) ((value)<<12) /* Bits 12:13 */
195#define XFULL_CYCLE 0x0800
196#define DILB 0x0020
197#define XDMAEN 0x0008
198#define XDISABLE 0x0001
199
200/********************** McBSP RCCR bit definitions *************************/
201#define RFULL_CYCLE 0x0800
202#define RDMAEN 0x0008
203#define RDISABLE 0x0001
204
205/********************** McBSP SYSCONFIG bit definitions ********************/
206#define CLOCKACTIVITY(value) ((value)<<8)
207#define SIDLEMODE(value) ((value)<<3)
208#define ENAWAKEUP 0x0004
209#define SOFTRST 0x0002
210
211/********************** McBSP SSELCR bit definitions ***********************/
212#define SIDETONEEN 0x0400
213
214/********************** McBSP Sidetone SYSCONFIG bit definitions ***********/
215#define ST_AUTOIDLE 0x0001
216
217/********************** McBSP Sidetone SGAINCR bit definitions *************/
218#define ST_CH1GAIN(value) ((value<<16)) /* Bits 16:31 */
219#define ST_CH0GAIN(value) (value) /* Bits 0:15 */
220
221/********************** McBSP Sidetone SFIRCR bit definitions **************/
222#define ST_FIRCOEFF(value) (value) /* Bits 0:15 */
223
224/********************** McBSP Sidetone SSELCR bit definitions **************/
225#define ST_COEFFWRDONE 0x0004
226#define ST_COEFFWREN 0x0002
227#define ST_SIDETONEEN 0x0001
228
229/********************** McBSP DMA operating modes **************************/
230#define MCBSP_DMA_MODE_ELEMENT 0
231#define MCBSP_DMA_MODE_THRESHOLD 1
232#define MCBSP_DMA_MODE_FRAME 2
233
234/********************** McBSP WAKEUPEN bit definitions *********************/
235#define XEMPTYEOFEN 0x4000
236#define XRDYEN 0x0400
237#define XEOFEN 0x0200
238#define XFSXEN 0x0100
239#define XSYNCERREN 0x0080
240#define RRDYEN 0x0008
241#define REOFEN 0x0004
242#define RFSREN 0x0002
243#define RSYNCERREN 0x0001
244
245/* CLKR signal muxing options */
246#define CLKR_SRC_CLKR 0
247#define CLKR_SRC_CLKX 1
248
249/* FSR signal muxing options */
250#define FSR_SRC_FSR 0
251#define FSR_SRC_FSX 1
252
253/* McBSP functional clock sources */
254#define MCBSP_CLKS_PRCM_SRC 0
255#define MCBSP_CLKS_PAD_SRC 1
256
257/* we don't do multichannel for now */
258struct omap_mcbsp_reg_cfg {
259 u16 spcr2;
260 u16 spcr1;
261 u16 rcr2;
262 u16 rcr1;
263 u16 xcr2;
264 u16 xcr1;
265 u16 srgr2;
266 u16 srgr1;
267 u16 mcr2;
268 u16 mcr1;
269 u16 pcr0;
270 u16 rcerc;
271 u16 rcerd;
272 u16 xcerc;
273 u16 xcerd;
274 u16 rcere;
275 u16 rcerf;
276 u16 xcere;
277 u16 xcerf;
278 u16 rcerg;
279 u16 rcerh;
280 u16 xcerg;
281 u16 xcerh;
282 u16 xccr;
283 u16 rccr;
284};
285
286typedef enum {
287 OMAP_MCBSP_WORD_8 = 0,
288 OMAP_MCBSP_WORD_12,
289 OMAP_MCBSP_WORD_16,
290 OMAP_MCBSP_WORD_20,
291 OMAP_MCBSP_WORD_24,
292 OMAP_MCBSP_WORD_32,
293} omap_mcbsp_word_length;
294
295/* Platform specific configuration */ 34/* Platform specific configuration */
296struct omap_mcbsp_ops { 35struct omap_mcbsp_ops {
297 void (*request)(unsigned int); 36 void (*request)(unsigned int);
@@ -312,43 +51,6 @@ struct omap_mcbsp_platform_data {
312 int (*mux_signal)(struct device *dev, const char *signal, const char *src); 51 int (*mux_signal)(struct device *dev, const char *signal, const char *src);
313}; 52};
314 53
315struct omap_mcbsp_st_data {
316 void __iomem *io_base_st;
317 bool running;
318 bool enabled;
319 s16 taps[128]; /* Sidetone filter coefficients */
320 int nr_taps; /* Number of filter coefficients in use */
321 s16 ch0gain;
322 s16 ch1gain;
323};
324
325struct omap_mcbsp {
326 struct device *dev;
327 unsigned long phys_base;
328 unsigned long phys_dma_base;
329 void __iomem *io_base;
330 u8 id;
331 u8 free;
332
333 int rx_irq;
334 int tx_irq;
335
336 /* DMA stuff */
337 u8 dma_rx_sync;
338 u8 dma_tx_sync;
339
340 /* Protect the field .free, while checking if the mcbsp is in use */
341 spinlock_t lock;
342 struct omap_mcbsp_platform_data *pdata;
343 struct clk *fclk;
344 struct omap_mcbsp_st_data *st_data;
345 int dma_op_mode;
346 u16 max_tx_thres;
347 u16 max_rx_thres;
348 void *reg_cache;
349 int reg_cache_size;
350};
351
352/** 54/**
353 * omap_mcbsp_dev_attr - OMAP McBSP device attributes for omap_hwmod 55 * omap_mcbsp_dev_attr - OMAP McBSP device attributes for omap_hwmod
354 * @sidetone: name of the sidetone device 56 * @sidetone: name of the sidetone device
@@ -357,39 +59,4 @@ struct omap_mcbsp_dev_attr {
357 const char *sidetone; 59 const char *sidetone;
358}; 60};
359 61
360extern struct omap_mcbsp **mcbsp_ptr;
361extern int omap_mcbsp_count;
362
363int omap_mcbsp_init(void);
364void omap_mcbsp_config(unsigned int id, const struct omap_mcbsp_reg_cfg * config);
365void omap_mcbsp_set_tx_threshold(unsigned int id, u16 threshold);
366void omap_mcbsp_set_rx_threshold(unsigned int id, u16 threshold);
367u16 omap_mcbsp_get_max_tx_threshold(unsigned int id);
368u16 omap_mcbsp_get_max_rx_threshold(unsigned int id);
369u16 omap_mcbsp_get_fifo_size(unsigned int id);
370u16 omap_mcbsp_get_tx_delay(unsigned int id);
371u16 omap_mcbsp_get_rx_delay(unsigned int id);
372int omap_mcbsp_get_dma_op_mode(unsigned int id);
373int omap_mcbsp_request(unsigned int id);
374void omap_mcbsp_free(unsigned int id);
375void omap_mcbsp_start(unsigned int id, int tx, int rx);
376void omap_mcbsp_stop(unsigned int id, int tx, int rx);
377
378/* McBSP functional clock source changing function */
379extern int omap2_mcbsp_set_clks_src(u8 id, u8 fck_src_id);
380
381/* McBSP signal muxing API */
382void omap2_mcbsp1_mux_clkr_src(u8 mux);
383void omap2_mcbsp1_mux_fsr_src(u8 mux);
384
385int omap_mcbsp_dma_ch_params(unsigned int id, unsigned int stream);
386int omap_mcbsp_dma_reg_params(unsigned int id, unsigned int stream);
387
388/* Sidetone specific API */
389int omap_st_set_chgain(unsigned int id, int channel, s16 chgain);
390int omap_st_get_chgain(unsigned int id, int channel, s16 *chgain);
391int omap_st_enable(unsigned int id);
392int omap_st_disable(unsigned int id);
393int omap_st_is_enabled(unsigned int id);
394
395#endif 62#endif