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1  /* SPDX-License-Identifier: GPL-2.0 */
2  /*
3   * arch/arm/include/asm/hardware/sa1111.h
4   *
5   * Copyright (C) 2000 John G Dorsey <john+@cs.cmu.edu>
6   *
7   * This file contains definitions for the SA-1111 Companion Chip.
8   * (Structure and naming borrowed from SA-1101.h, by Peter Danielsson.)
9   *
10   * Macro that calculates real address for registers in the SA-1111
11   */
12  
13  #ifndef _ASM_ARCH_SA1111
14  #define _ASM_ARCH_SA1111
15  
16  /*
17   * Don't ask the (SAC) DMA engines to move less than this amount.
18   */
19  
20  #define SA1111_SAC_DMA_MIN_XFER	(0x800)
21  
22  /*
23   * System Bus Interface (SBI)
24   *
25   * Registers
26   *    SKCR	Control Register
27   *    SMCR	Shared Memory Controller Register
28   *    SKID	ID Register
29   */
30  #define SA1111_SKCR	0x0000
31  #define SA1111_SMCR	0x0004
32  #define SA1111_SKID	0x0008
33  
34  #define SKCR_PLL_BYPASS	(1<<0)
35  #define SKCR_RCLKEN	(1<<1)
36  #define SKCR_SLEEP	(1<<2)
37  #define SKCR_DOZE	(1<<3)
38  #define SKCR_VCO_OFF	(1<<4)
39  #define SKCR_SCANTSTEN	(1<<5)
40  #define SKCR_CLKTSTEN	(1<<6)
41  #define SKCR_RDYEN	(1<<7)
42  #define SKCR_SELAC	(1<<8)
43  #define SKCR_OPPC	(1<<9)
44  #define SKCR_PLLTSTEN	(1<<10)
45  #define SKCR_USBIOTSTEN	(1<<11)
46  /*
47   * Don't believe the specs!  Take them, throw them outside.  Leave them
48   * there for a week.  Spit on them.  Walk on them.  Stamp on them.
49   * Pour gasoline over them and finally burn them.  Now think about coding.
50   *  - The October 1999 errata (278260-007) says its bit 13, 1 to enable.
51   *  - The Feb 2001 errata (278260-010) says that the previous errata
52   *    (278260-009) is wrong, and its bit actually 12, fixed in spec
53   *    278242-003.
54   *  - The SA1111 manual (278242) says bit 12, but 0 to enable.
55   *  - Reality is bit 13, 1 to enable.
56   *      -- rmk
57   */
58  #define SKCR_OE_EN	(1<<13)
59  
60  #define SMCR_DTIM	(1<<0)
61  #define SMCR_MBGE	(1<<1)
62  #define SMCR_DRAC_0	(1<<2)
63  #define SMCR_DRAC_1	(1<<3)
64  #define SMCR_DRAC_2	(1<<4)
65  #define SMCR_DRAC	Fld(3, 2)
66  #define SMCR_CLAT	(1<<5)
67  
68  #define SKID_SIREV_MASK	(0x000000f0)
69  #define SKID_MTREV_MASK (0x0000000f)
70  #define SKID_ID_MASK	(0xffffff00)
71  #define SKID_SA1111_ID	(0x690cc200)
72  
73  /*
74   * System Controller
75   *
76   * Registers
77   *    SKPCR	Power Control Register
78   *    SKCDR	Clock Divider Register
79   *    SKAUD	Audio Clock Divider Register
80   *    SKPMC	PS/2 Mouse Clock Divider Register
81   *    SKPTC	PS/2 Track Pad Clock Divider Register
82   *    SKPEN0	PWM0 Enable Register
83   *    SKPWM0	PWM0 Clock Register
84   *    SKPEN1	PWM1 Enable Register
85   *    SKPWM1	PWM1 Clock Register
86   */
87  #define SA1111_SKPCR	0x0200
88  #define SA1111_SKCDR	0x0204
89  #define SA1111_SKAUD	0x0208
90  #define SA1111_SKPMC	0x020c
91  #define SA1111_SKPTC	0x0210
92  #define SA1111_SKPEN0	0x0214
93  #define SA1111_SKPWM0	0x0218
94  #define SA1111_SKPEN1	0x021c
95  #define SA1111_SKPWM1	0x0220
96  
97  #define SKPCR_UCLKEN	(1<<0)
98  #define SKPCR_ACCLKEN	(1<<1)
99  #define SKPCR_I2SCLKEN	(1<<2)
100  #define SKPCR_L3CLKEN	(1<<3)
101  #define SKPCR_SCLKEN	(1<<4)
102  #define SKPCR_PMCLKEN	(1<<5)
103  #define SKPCR_PTCLKEN	(1<<6)
104  #define SKPCR_DCLKEN	(1<<7)
105  #define SKPCR_PWMCLKEN	(1<<8)
106  
107  /* USB Host controller */
108  #define SA1111_USB		0x0400
109  
110  /*
111   * Serial Audio Controller
112   *
113   * Registers
114   *    SACR0             Serial Audio Common Control Register
115   *    SACR1             Serial Audio Alternate Mode (I2C/MSB) Control Register
116   *    SACR2             Serial Audio AC-link Control Register
117   *    SASR0             Serial Audio I2S/MSB Interface & FIFO Status Register
118   *    SASR1             Serial Audio AC-link Interface & FIFO Status Register
119   *    SASCR             Serial Audio Status Clear Register
120   *    L3_CAR            L3 Control Bus Address Register
121   *    L3_CDR            L3 Control Bus Data Register
122   *    ACCAR             AC-link Command Address Register
123   *    ACCDR             AC-link Command Data Register
124   *    ACSAR             AC-link Status Address Register
125   *    ACSDR             AC-link Status Data Register
126   *    SADTCS            Serial Audio DMA Transmit Control/Status Register
127   *    SADTSA            Serial Audio DMA Transmit Buffer Start Address A
128   *    SADTCA            Serial Audio DMA Transmit Buffer Count Register A
129   *    SADTSB            Serial Audio DMA Transmit Buffer Start Address B
130   *    SADTCB            Serial Audio DMA Transmit Buffer Count Register B
131   *    SADRCS            Serial Audio DMA Receive Control/Status Register
132   *    SADRSA            Serial Audio DMA Receive Buffer Start Address A
133   *    SADRCA            Serial Audio DMA Receive Buffer Count Register A
134   *    SADRSB            Serial Audio DMA Receive Buffer Start Address B
135   *    SADRCB            Serial Audio DMA Receive Buffer Count Register B
136   *    SAITR             Serial Audio Interrupt Test Register
137   *    SADR              Serial Audio Data Register (16 x 32-bit)
138   */
139  
140  #define SA1111_SERAUDIO		0x0600
141  
142  /*
143   * These are offsets from the above base.
144   */
145  #define SA1111_SACR0		0x00
146  #define SA1111_SACR1		0x04
147  #define SA1111_SACR2		0x08
148  #define SA1111_SASR0		0x0c
149  #define SA1111_SASR1		0x10
150  #define SA1111_SASCR		0x18
151  #define SA1111_L3_CAR		0x1c
152  #define SA1111_L3_CDR		0x20
153  #define SA1111_ACCAR		0x24
154  #define SA1111_ACCDR		0x28
155  #define SA1111_ACSAR		0x2c
156  #define SA1111_ACSDR		0x30
157  #define SA1111_SADTCS		0x34
158  #define SA1111_SADTSA		0x38
159  #define SA1111_SADTCA		0x3c
160  #define SA1111_SADTSB		0x40
161  #define SA1111_SADTCB		0x44
162  #define SA1111_SADRCS		0x48
163  #define SA1111_SADRSA		0x4c
164  #define SA1111_SADRCA		0x50
165  #define SA1111_SADRSB		0x54
166  #define SA1111_SADRCB		0x58
167  #define SA1111_SAITR		0x5c
168  #define SA1111_SADR		0x80
169  
170  #ifndef CONFIG_ARCH_PXA
171  
172  #define SACR0_ENB	(1<<0)
173  #define SACR0_BCKD	(1<<2)
174  #define SACR0_RST	(1<<3)
175  
176  #define SACR1_AMSL	(1<<0)
177  #define SACR1_L3EN	(1<<1)
178  #define SACR1_L3MB	(1<<2)
179  #define SACR1_DREC	(1<<3)
180  #define SACR1_DRPL	(1<<4)
181  #define SACR1_ENLBF	(1<<5)
182  
183  #define SACR2_TS3V	(1<<0)
184  #define SACR2_TS4V	(1<<1)
185  #define SACR2_WKUP	(1<<2)
186  #define SACR2_DREC	(1<<3)
187  #define SACR2_DRPL	(1<<4)
188  #define SACR2_ENLBF	(1<<5)
189  #define SACR2_RESET	(1<<6)
190  
191  #define SASR0_TNF	(1<<0)
192  #define SASR0_RNE	(1<<1)
193  #define SASR0_BSY	(1<<2)
194  #define SASR0_TFS	(1<<3)
195  #define SASR0_RFS	(1<<4)
196  #define SASR0_TUR	(1<<5)
197  #define SASR0_ROR	(1<<6)
198  #define SASR0_L3WD	(1<<16)
199  #define SASR0_L3RD	(1<<17)
200  
201  #define SASR1_TNF	(1<<0)
202  #define SASR1_RNE	(1<<1)
203  #define SASR1_BSY	(1<<2)
204  #define SASR1_TFS	(1<<3)
205  #define SASR1_RFS	(1<<4)
206  #define SASR1_TUR	(1<<5)
207  #define SASR1_ROR	(1<<6)
208  #define SASR1_CADT	(1<<16)
209  #define SASR1_SADR	(1<<17)
210  #define SASR1_RSTO	(1<<18)
211  #define SASR1_CLPM	(1<<19)
212  #define SASR1_CRDY	(1<<20)
213  #define SASR1_RS3V	(1<<21)
214  #define SASR1_RS4V	(1<<22)
215  
216  #define SASCR_TUR	(1<<5)
217  #define SASCR_ROR	(1<<6)
218  #define SASCR_DTS	(1<<16)
219  #define SASCR_RDD	(1<<17)
220  #define SASCR_STO	(1<<18)
221  
222  #define SADTCS_TDEN	(1<<0)
223  #define SADTCS_TDIE	(1<<1)
224  #define SADTCS_TDBDA	(1<<3)
225  #define SADTCS_TDSTA	(1<<4)
226  #define SADTCS_TDBDB	(1<<5)
227  #define SADTCS_TDSTB	(1<<6)
228  #define SADTCS_TBIU	(1<<7)
229  
230  #define SADRCS_RDEN	(1<<0)
231  #define SADRCS_RDIE	(1<<1)
232  #define SADRCS_RDBDA	(1<<3)
233  #define SADRCS_RDSTA	(1<<4)
234  #define SADRCS_RDBDB	(1<<5)
235  #define SADRCS_RDSTB	(1<<6)
236  #define SADRCS_RBIU	(1<<7)
237  
238  #define SAD_CS_DEN	(1<<0)
239  #define SAD_CS_DIE	(1<<1)	/* Not functional on metal 1 */
240  #define SAD_CS_DBDA	(1<<3)	/* Not functional on metal 1 */
241  #define SAD_CS_DSTA	(1<<4)
242  #define SAD_CS_DBDB	(1<<5)	/* Not functional on metal 1 */
243  #define SAD_CS_DSTB	(1<<6)
244  #define SAD_CS_BIU	(1<<7)	/* Not functional on metal 1 */
245  
246  #define SAITR_TFS	(1<<0)
247  #define SAITR_RFS	(1<<1)
248  #define SAITR_TUR	(1<<2)
249  #define SAITR_ROR	(1<<3)
250  #define SAITR_CADT	(1<<4)
251  #define SAITR_SADR	(1<<5)
252  #define SAITR_RSTO	(1<<6)
253  #define SAITR_TDBDA	(1<<8)
254  #define SAITR_TDBDB	(1<<9)
255  #define SAITR_RDBDA	(1<<10)
256  #define SAITR_RDBDB	(1<<11)
257  
258  #endif  /* !CONFIG_ARCH_PXA */
259  
260  /*
261   * General-Purpose I/O Interface
262   *
263   * Registers
264   *    PA_DDR		GPIO Block A Data Direction
265   *    PA_DRR/PA_DWR	GPIO Block A Data Value Register (read/write)
266   *    PA_SDR		GPIO Block A Sleep Direction
267   *    PA_SSR		GPIO Block A Sleep State
268   *    PB_DDR		GPIO Block B Data Direction
269   *    PB_DRR/PB_DWR	GPIO Block B Data Value Register (read/write)
270   *    PB_SDR		GPIO Block B Sleep Direction
271   *    PB_SSR		GPIO Block B Sleep State
272   *    PC_DDR		GPIO Block C Data Direction
273   *    PC_DRR/PC_DWR	GPIO Block C Data Value Register (read/write)
274   *    PC_SDR		GPIO Block C Sleep Direction
275   *    PC_SSR		GPIO Block C Sleep State
276   */
277  
278  #define SA1111_GPIO	0x1000
279  
280  #define SA1111_GPIO_PADDR	(0x000)
281  #define SA1111_GPIO_PADRR	(0x004)
282  #define SA1111_GPIO_PADWR	(0x004)
283  #define SA1111_GPIO_PASDR	(0x008)
284  #define SA1111_GPIO_PASSR	(0x00c)
285  #define SA1111_GPIO_PBDDR	(0x010)
286  #define SA1111_GPIO_PBDRR	(0x014)
287  #define SA1111_GPIO_PBDWR	(0x014)
288  #define SA1111_GPIO_PBSDR	(0x018)
289  #define SA1111_GPIO_PBSSR	(0x01c)
290  #define SA1111_GPIO_PCDDR	(0x020)
291  #define SA1111_GPIO_PCDRR	(0x024)
292  #define SA1111_GPIO_PCDWR	(0x024)
293  #define SA1111_GPIO_PCSDR	(0x028)
294  #define SA1111_GPIO_PCSSR	(0x02c)
295  
296  #define GPIO_A0		(1 << 0)
297  #define GPIO_A1		(1 << 1)
298  #define GPIO_A2		(1 << 2)
299  #define GPIO_A3		(1 << 3)
300  
301  #define GPIO_B0		(1 << 8)
302  #define GPIO_B1		(1 << 9)
303  #define GPIO_B2		(1 << 10)
304  #define GPIO_B3		(1 << 11)
305  #define GPIO_B4		(1 << 12)
306  #define GPIO_B5		(1 << 13)
307  #define GPIO_B6		(1 << 14)
308  #define GPIO_B7		(1 << 15)
309  
310  #define GPIO_C0		(1 << 16)
311  #define GPIO_C1		(1 << 17)
312  #define GPIO_C2		(1 << 18)
313  #define GPIO_C3		(1 << 19)
314  #define GPIO_C4		(1 << 20)
315  #define GPIO_C5		(1 << 21)
316  #define GPIO_C6		(1 << 22)
317  #define GPIO_C7		(1 << 23)
318  
319  /*
320   * Interrupt Controller
321   *
322   * Registers
323   *    INTTEST0		Test register 0
324   *    INTTEST1		Test register 1
325   *    INTEN0		Interrupt Enable register 0
326   *    INTEN1		Interrupt Enable register 1
327   *    INTPOL0		Interrupt Polarity selection 0
328   *    INTPOL1		Interrupt Polarity selection 1
329   *    INTTSTSEL		Interrupt source selection
330   *    INTSTATCLR0	Interrupt Status/Clear 0
331   *    INTSTATCLR1	Interrupt Status/Clear 1
332   *    INTSET0		Interrupt source set 0
333   *    INTSET1		Interrupt source set 1
334   *    WAKE_EN0		Wake-up source enable 0
335   *    WAKE_EN1		Wake-up source enable 1
336   *    WAKE_POL0		Wake-up polarity selection 0
337   *    WAKE_POL1		Wake-up polarity selection 1
338   */
339  #define SA1111_INTC		0x1600
340  
341  /*
342   * These are offsets from the above base.
343   */
344  #define SA1111_INTTEST0		0x0000
345  #define SA1111_INTTEST1		0x0004
346  #define SA1111_INTEN0		0x0008
347  #define SA1111_INTEN1		0x000c
348  #define SA1111_INTPOL0		0x0010
349  #define SA1111_INTPOL1		0x0014
350  #define SA1111_INTTSTSEL	0x0018
351  #define SA1111_INTSTATCLR0	0x001c
352  #define SA1111_INTSTATCLR1	0x0020
353  #define SA1111_INTSET0		0x0024
354  #define SA1111_INTSET1		0x0028
355  #define SA1111_WAKEEN0		0x002c
356  #define SA1111_WAKEEN1		0x0030
357  #define SA1111_WAKEPOL0		0x0034
358  #define SA1111_WAKEPOL1		0x0038
359  
360  /* PS/2 Trackpad and Mouse Interfaces */
361  #define SA1111_KBD		0x0a00
362  #define SA1111_MSE		0x0c00
363  
364  /* PCMCIA Interface */
365  #define SA1111_PCMCIA		0x1600
366  
367  
368  
369  
370  
371  extern struct bus_type sa1111_bus_type;
372  
373  #define SA1111_DEVID_SBI	(1 << 0)
374  #define SA1111_DEVID_SK		(1 << 1)
375  #define SA1111_DEVID_USB	(1 << 2)
376  #define SA1111_DEVID_SAC	(1 << 3)
377  #define SA1111_DEVID_SSP	(1 << 4)
378  #define SA1111_DEVID_PS2	(3 << 5)
379  #define SA1111_DEVID_PS2_KBD	(1 << 5)
380  #define SA1111_DEVID_PS2_MSE	(1 << 6)
381  #define SA1111_DEVID_GPIO	(1 << 7)
382  #define SA1111_DEVID_INT	(1 << 8)
383  #define SA1111_DEVID_PCMCIA	(1 << 9)
384  
385  struct sa1111_dev {
386  	struct device	dev;
387  	unsigned int	devid;
388  	struct resource	res;
389  	void __iomem	*mapbase;
390  	unsigned int	skpcr_mask;
391  	unsigned int	hwirq[6];
392  	u64		dma_mask;
393  };
394  
395  #define to_sa1111_device(x)	container_of(x, struct sa1111_dev, dev)
396  
397  #define sa1111_get_drvdata(d)	dev_get_drvdata(&(d)->dev)
398  #define sa1111_set_drvdata(d,p)	dev_set_drvdata(&(d)->dev, p)
399  
400  struct sa1111_driver {
401  	struct device_driver	drv;
402  	unsigned int		devid;
403  	int (*probe)(struct sa1111_dev *);
404  	void (*remove)(struct sa1111_dev *);
405  };
406  
407  #define SA1111_DRV(_d)	container_of((_d), struct sa1111_driver, drv)
408  
409  #define SA1111_DRIVER_NAME(_sadev) ((_sadev)->dev.driver->name)
410  
411  /*
412   * These frob the SKPCR register, and call platform specific
413   * enable/disable functions.
414   */
415  int sa1111_enable_device(struct sa1111_dev *);
416  void sa1111_disable_device(struct sa1111_dev *);
417  
418  int sa1111_get_irq(struct sa1111_dev *, unsigned num);
419  
420  unsigned int sa1111_pll_clock(struct sa1111_dev *);
421  
422  #define SA1111_AUDIO_ACLINK	0
423  #define SA1111_AUDIO_I2S	1
424  
425  void sa1111_select_audio_mode(struct sa1111_dev *sadev, int mode);
426  int sa1111_set_audio_rate(struct sa1111_dev *sadev, int rate);
427  int sa1111_get_audio_rate(struct sa1111_dev *sadev);
428  
429  int sa1111_check_dma_bug(dma_addr_t addr);
430  
431  int sa1111_driver_register(struct sa1111_driver *);
432  void sa1111_driver_unregister(struct sa1111_driver *);
433  
434  struct sa1111_platform_data {
435  	int	irq_base;	/* base for cascaded on-chip IRQs */
436  	unsigned disable_devs;
437  	void	*data;
438  	int	(*enable)(void *, unsigned);
439  	void	(*disable)(void *, unsigned);
440  };
441  
442  #endif  /* _ASM_ARCH_SA1111 */
443