5  * This driver supports the following PXA CPU/SSP ports:-
7  *       PXA250     SSP
8  *       PXA255     SSP, NSSP
9  *       PXA26x     SSP, NSSP, ASSP
29  * SSP Serial Port Registers
30  * PXA250, PXA255, PXA26x and PXA27x SSP controllers are all slightly different.
34 #define SSCR0		(0x00)  /* SSP Control Register 0 */
35 #define SSCR1		(0x04)  /* SSP Control Register 1 */
36 #define SSSR		(0x08)  /* SSP Status Register */
37 #define SSITR		(0x0C)  /* SSP Interrupt Test Register */
38 #define SSDR		(0x10)  /* SSP Data Write/Data Read Register */
40 #define SSTO		(0x28)  /* SSP Time Out Register */
41 #define SSPSP		(0x2C)  /* SSP Programmable Serial Protocol */
42 #define SSTSA		(0x30)  /* SSP Tx Timeslot Active */
43 #define SSRSA		(0x34)  /* SSP Rx Timeslot Active */
44 #define SSTSS		(0x38)  /* SSP Timeslot Status */
45 #define SSACD		(0x3C)  /* SSP Audio Clock Divider */
46 #define SSACDD		(0x40)	/* SSP Audio Clock Dither Divider */
53 #define SSCR0_TI	(0x1 << 4)	/* Texas Instruments' Synchronous Serial Protocol (SSP) */
80 #define SSSR_BSY		BIT(4)		/* SSP Busy */
108 #define DDS_RATE		0x28		 /* SSP DDS Clock Rate Register */
129 /* Extra bits in PXA255, PXA26x and PXA27x SSP ports */
186 /* Intel Merrifield SSP */
201 /* LPSS SSP */
209 /* LPT/WPT SSP */
210 #define SSCR2		(0x40)	/* SSP Command / Status 2 */
211 #define SSPSP2		(0x44)	/* SSP Programmable Serial Protocol 2 */
253  * pxa_ssp_write_reg - Write to a SSP register
255  * @dev: SSP device to access
265  * pxa_ssp_read_reg - Read from a SSP register
267  * @dev: SSP device to access
275 static inline void pxa_ssp_enable(struct ssp_device *ssp)  in pxa_ssp_enable()  argument
279 	sscr0 = pxa_ssp_read_reg(ssp, SSCR0) | SSCR0_SSE;  in pxa_ssp_enable()
280 	pxa_ssp_write_reg(ssp, SSCR0, sscr0);  in pxa_ssp_enable()
283 static inline void pxa_ssp_disable(struct ssp_device *ssp)  in pxa_ssp_disable()  argument
287 	sscr0 = pxa_ssp_read_reg(ssp, SSCR0) & ~SSCR0_SSE;  in pxa_ssp_disable()
288 	pxa_ssp_write_reg(ssp, SSCR0, sscr0);  in pxa_ssp_disable()
306 static inline void pxa_ssp_free(struct ssp_device *ssp) {}  in pxa_ssp_free()  argument