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-rw-r--r--arch/arm/plat-omap/include/plat/mcbsp.h208
1 files changed, 65 insertions, 143 deletions
diff --git a/arch/arm/plat-omap/include/plat/mcbsp.h b/arch/arm/plat-omap/include/plat/mcbsp.h
index 9882c657b2d4..8fa74e2c9d6e 100644
--- a/arch/arm/plat-omap/include/plat/mcbsp.h
+++ b/arch/arm/plat-omap/include/plat/mcbsp.h
@@ -25,9 +25,7 @@
25#define __ASM_ARCH_OMAP_MCBSP_H 25#define __ASM_ARCH_OMAP_MCBSP_H
26 26
27#include <linux/spinlock.h> 27#include <linux/spinlock.h>
28 28#include <linux/clk.h>
29#include <mach/hardware.h>
30#include <plat/clock.h>
31 29
32/* macro for building platform_device for McBSP ports */ 30/* macro for building platform_device for McBSP ports */
33#define OMAP_MCBSP_PLATFORM_DEVICE(port_nr) \ 31#define OMAP_MCBSP_PLATFORM_DEVICE(port_nr) \
@@ -40,104 +38,60 @@ static struct platform_device omap_mcbsp##port_nr = { \
40#define MCBSP_CONFIG_TYPE3 0x3 38#define MCBSP_CONFIG_TYPE3 0x3
41#define MCBSP_CONFIG_TYPE4 0x4 39#define MCBSP_CONFIG_TYPE4 0x4
42 40
43#define OMAP7XX_MCBSP1_BASE 0xfffb1000 41/* McBSP register numbers. Register address offset = num * reg_step */
44#define OMAP7XX_MCBSP2_BASE 0xfffb1800 42enum {
45 43 /* Common registers */
46#define OMAP1510_MCBSP1_BASE 0xe1011800 44 OMAP_MCBSP_REG_SPCR2 = 4,
47#define OMAP1510_MCBSP2_BASE 0xfffb1000 45 OMAP_MCBSP_REG_SPCR1,
48#define OMAP1510_MCBSP3_BASE 0xe1017000 46 OMAP_MCBSP_REG_RCR2,
49 47 OMAP_MCBSP_REG_RCR1,
50#define OMAP1610_MCBSP1_BASE 0xe1011800 48 OMAP_MCBSP_REG_XCR2,
51#define OMAP1610_MCBSP2_BASE 0xfffb1000 49 OMAP_MCBSP_REG_XCR1,
52#define OMAP1610_MCBSP3_BASE 0xe1017000 50 OMAP_MCBSP_REG_SRGR2,
53 51 OMAP_MCBSP_REG_SRGR1,
54#ifdef CONFIG_ARCH_OMAP1 52 OMAP_MCBSP_REG_MCR2,
55 53 OMAP_MCBSP_REG_MCR1,
56#define OMAP_MCBSP_REG_DRR2 0x00 54 OMAP_MCBSP_REG_RCERA,
57#define OMAP_MCBSP_REG_DRR1 0x02 55 OMAP_MCBSP_REG_RCERB,
58#define OMAP_MCBSP_REG_DXR2 0x04 56 OMAP_MCBSP_REG_XCERA,
59#define OMAP_MCBSP_REG_DXR1 0x06 57 OMAP_MCBSP_REG_XCERB,
60#define OMAP_MCBSP_REG_DRR 0x02 58 OMAP_MCBSP_REG_PCR0,
61#define OMAP_MCBSP_REG_DXR 0x06 59 OMAP_MCBSP_REG_RCERC,
62#define OMAP_MCBSP_REG_SPCR2 0x08 60 OMAP_MCBSP_REG_RCERD,
63#define OMAP_MCBSP_REG_SPCR1 0x0a 61 OMAP_MCBSP_REG_XCERC,
64#define OMAP_MCBSP_REG_RCR2 0x0c 62 OMAP_MCBSP_REG_XCERD,
65#define OMAP_MCBSP_REG_RCR1 0x0e 63 OMAP_MCBSP_REG_RCERE,
66#define OMAP_MCBSP_REG_XCR2 0x10 64 OMAP_MCBSP_REG_RCERF,
67#define OMAP_MCBSP_REG_XCR1 0x12 65 OMAP_MCBSP_REG_XCERE,
68#define OMAP_MCBSP_REG_SRGR2 0x14 66 OMAP_MCBSP_REG_XCERF,
69#define OMAP_MCBSP_REG_SRGR1 0x16 67 OMAP_MCBSP_REG_RCERG,
70#define OMAP_MCBSP_REG_MCR2 0x18 68 OMAP_MCBSP_REG_RCERH,
71#define OMAP_MCBSP_REG_MCR1 0x1a 69 OMAP_MCBSP_REG_XCERG,
72#define OMAP_MCBSP_REG_RCERA 0x1c 70 OMAP_MCBSP_REG_XCERH,
73#define OMAP_MCBSP_REG_RCERB 0x1e 71
74#define OMAP_MCBSP_REG_XCERA 0x20 72 /* OMAP1-OMAP2420 registers */
75#define OMAP_MCBSP_REG_XCERB 0x22 73 OMAP_MCBSP_REG_DRR2 = 0,
76#define OMAP_MCBSP_REG_PCR0 0x24 74 OMAP_MCBSP_REG_DRR1,
77#define OMAP_MCBSP_REG_RCERC 0x26 75 OMAP_MCBSP_REG_DXR2,
78#define OMAP_MCBSP_REG_RCERD 0x28 76 OMAP_MCBSP_REG_DXR1,
79#define OMAP_MCBSP_REG_XCERC 0x2A 77
80#define OMAP_MCBSP_REG_XCERD 0x2C 78 /* OMAP2430 and onwards */
81#define OMAP_MCBSP_REG_RCERE 0x2E 79 OMAP_MCBSP_REG_DRR = 0,
82#define OMAP_MCBSP_REG_RCERF 0x30 80 OMAP_MCBSP_REG_DXR = 2,
83#define OMAP_MCBSP_REG_XCERE 0x32 81 OMAP_MCBSP_REG_SYSCON = 35,
84#define OMAP_MCBSP_REG_XCERF 0x34 82 OMAP_MCBSP_REG_THRSH2,
85#define OMAP_MCBSP_REG_RCERG 0x36 83 OMAP_MCBSP_REG_THRSH1,
86#define OMAP_MCBSP_REG_RCERH 0x38 84 OMAP_MCBSP_REG_IRQST = 40,
87#define OMAP_MCBSP_REG_XCERG 0x3A 85 OMAP_MCBSP_REG_IRQEN,
88#define OMAP_MCBSP_REG_XCERH 0x3C 86 OMAP_MCBSP_REG_WAKEUPEN,
89 87 OMAP_MCBSP_REG_XCCR,
90/* Dummy defines, these are not available on omap1 */ 88 OMAP_MCBSP_REG_RCCR,
91#define OMAP_MCBSP_REG_XCCR 0x00 89 OMAP_MCBSP_REG_XBUFFSTAT,
92#define OMAP_MCBSP_REG_RCCR 0x00 90 OMAP_MCBSP_REG_RBUFFSTAT,
93 91 OMAP_MCBSP_REG_SSELCR,
94#else 92};
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 93
94/* OMAP3 sidetone control registers */
141#define OMAP_ST_REG_REV 0x00 95#define OMAP_ST_REG_REV 0x00
142#define OMAP_ST_REG_SYSCONFIG 0x10 96#define OMAP_ST_REG_SYSCONFIG 0x10
143#define OMAP_ST_REG_IRQSTATUS 0x18 97#define OMAP_ST_REG_IRQSTATUS 0x18
@@ -146,8 +100,6 @@ static struct platform_device omap_mcbsp##port_nr = { \
146#define OMAP_ST_REG_SFIRCR 0x28 100#define OMAP_ST_REG_SFIRCR 0x28
147#define OMAP_ST_REG_SSELCR 0x2C 101#define OMAP_ST_REG_SSELCR 0x2C
148 102
149#endif
150
151/************************** McBSP SPCR1 bit definitions ***********************/ 103/************************** McBSP SPCR1 bit definitions ***********************/
152#define RRST 0x0001 104#define RRST 0x0001
153#define RRDY 0x0002 105#define RRDY 0x0002
@@ -344,20 +296,20 @@ typedef enum {
344struct omap_mcbsp_ops { 296struct omap_mcbsp_ops {
345 void (*request)(unsigned int); 297 void (*request)(unsigned int);
346 void (*free)(unsigned int); 298 void (*free)(unsigned int);
347 int (*set_clks_src)(u8, u8);
348}; 299};
349 300
350struct omap_mcbsp_platform_data { 301struct 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; 302 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; 303 u16 buffer_size;
360 unsigned int mcbsp_config_type; 304 u8 reg_size;
305 u8 reg_step;
306
307 /* McBSP platform and instance specific features */
308 bool has_wakeup; /* Wakeup capability */
309 bool has_ccr; /* Transceiver has configuration control registers */
310 int (*enable_st_clock)(unsigned int, bool);
311 int (*set_clk_src)(struct device *dev, struct clk *clk, const char *src);
312 int (*mux_signal)(struct device *dev, const char *signal, const char *src);
361}; 313};
362 314
363struct omap_mcbsp_st_data { 315struct omap_mcbsp_st_data {
@@ -389,14 +341,12 @@ struct omap_mcbsp {
389 spinlock_t lock; 341 spinlock_t lock;
390 struct omap_mcbsp_platform_data *pdata; 342 struct omap_mcbsp_platform_data *pdata;
391 struct clk *fclk; 343 struct clk *fclk;
392#ifdef CONFIG_ARCH_OMAP3
393 struct omap_mcbsp_st_data *st_data; 344 struct omap_mcbsp_st_data *st_data;
394 int dma_op_mode; 345 int dma_op_mode;
395 u16 max_tx_thres; 346 u16 max_tx_thres;
396 u16 max_rx_thres; 347 u16 max_rx_thres;
397#endif
398 void *reg_cache; 348 void *reg_cache;
399 unsigned int mcbsp_config_type; 349 int reg_cache_size;
400}; 350};
401 351
402/** 352/**
@@ -408,16 +358,10 @@ struct omap_mcbsp_dev_attr {
408}; 358};
409 359
410extern struct omap_mcbsp **mcbsp_ptr; 360extern struct omap_mcbsp **mcbsp_ptr;
411extern int omap_mcbsp_count, omap_mcbsp_cache_size; 361extern int omap_mcbsp_count;
412
413#define omap_mcbsp_check_valid_id(id) (id < omap_mcbsp_count)
414#define id_to_mcbsp_ptr(id) mcbsp_ptr[id];
415 362
416int omap_mcbsp_init(void); 363int omap_mcbsp_init(void);
417void omap_mcbsp_register_board_cfg(struct resource *res, int res_count,
418 struct omap_mcbsp_platform_data *config, int size);
419void omap_mcbsp_config(unsigned int id, const struct omap_mcbsp_reg_cfg * config); 364void omap_mcbsp_config(unsigned int id, const struct omap_mcbsp_reg_cfg * config);
420#ifdef CONFIG_ARCH_OMAP3
421void omap_mcbsp_set_tx_threshold(unsigned int id, u16 threshold); 365void omap_mcbsp_set_tx_threshold(unsigned int id, u16 threshold);
422void omap_mcbsp_set_rx_threshold(unsigned int id, u16 threshold); 366void omap_mcbsp_set_rx_threshold(unsigned int id, u16 threshold);
423u16 omap_mcbsp_get_max_tx_threshold(unsigned int id); 367u16 omap_mcbsp_get_max_tx_threshold(unsigned int id);
@@ -426,18 +370,6 @@ u16 omap_mcbsp_get_fifo_size(unsigned int id);
426u16 omap_mcbsp_get_tx_delay(unsigned int id); 370u16 omap_mcbsp_get_tx_delay(unsigned int id);
427u16 omap_mcbsp_get_rx_delay(unsigned int id); 371u16 omap_mcbsp_get_rx_delay(unsigned int id);
428int omap_mcbsp_get_dma_op_mode(unsigned int id); 372int omap_mcbsp_get_dma_op_mode(unsigned int id);
429#else
430static inline void omap_mcbsp_set_tx_threshold(unsigned int id, u16 threshold)
431{ }
432static inline void omap_mcbsp_set_rx_threshold(unsigned int id, u16 threshold)
433{ }
434static inline u16 omap_mcbsp_get_max_tx_threshold(unsigned int id) { return 0; }
435static inline u16 omap_mcbsp_get_max_rx_threshold(unsigned int id) { return 0; }
436static inline u16 omap_mcbsp_get_fifo_size(unsigned int id) { return 0; }
437static inline u16 omap_mcbsp_get_tx_delay(unsigned int id) { return 0; }
438static inline u16 omap_mcbsp_get_rx_delay(unsigned int id) { return 0; }
439static inline int omap_mcbsp_get_dma_op_mode(unsigned int id) { return 0; }
440#endif
441int omap_mcbsp_request(unsigned int id); 373int omap_mcbsp_request(unsigned int id);
442void omap_mcbsp_free(unsigned int id); 374void omap_mcbsp_free(unsigned int id);
443void omap_mcbsp_start(unsigned int id, int tx, int rx); 375void omap_mcbsp_start(unsigned int id, int tx, int rx);
@@ -453,21 +385,11 @@ void omap2_mcbsp1_mux_fsr_src(u8 mux);
453int omap_mcbsp_dma_ch_params(unsigned int id, unsigned int stream); 385int omap_mcbsp_dma_ch_params(unsigned int id, unsigned int stream);
454int omap_mcbsp_dma_reg_params(unsigned int id, unsigned int stream); 386int omap_mcbsp_dma_reg_params(unsigned int id, unsigned int stream);
455 387
456#ifdef CONFIG_ARCH_OMAP3
457/* Sidetone specific API */ 388/* Sidetone specific API */
458int omap_st_set_chgain(unsigned int id, int channel, s16 chgain); 389int omap_st_set_chgain(unsigned int id, int channel, s16 chgain);
459int omap_st_get_chgain(unsigned int id, int channel, s16 *chgain); 390int omap_st_get_chgain(unsigned int id, int channel, s16 *chgain);
460int omap_st_enable(unsigned int id); 391int omap_st_enable(unsigned int id);
461int omap_st_disable(unsigned int id); 392int omap_st_disable(unsigned int id);
462int omap_st_is_enabled(unsigned int id); 393int omap_st_is_enabled(unsigned int id);
463#else
464static inline int omap_st_set_chgain(unsigned int id, int channel,
465 s16 chgain) { return 0; }
466static inline int omap_st_get_chgain(unsigned int id, int channel,
467 s16 *chgain) { return 0; }
468static inline int omap_st_enable(unsigned int id) { return 0; }
469static inline int omap_st_disable(unsigned int id) { return 0; }
470static inline int omap_st_is_enabled(unsigned int id) { return 0; }
471#endif
472 394
473#endif 395#endif