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Edit File: atmel-ssc.h

/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __INCLUDE_ATMEL_SSC_H #define __INCLUDE_ATMEL_SSC_H #include <linux/platform_device.h> #include <linux/list.h> #include <linux/io.h> struct atmel_ssc_platform_data { int use_dma; int has_fslen_ext; }; struct ssc_device { struct list_head list; dma_addr_t phybase; void __iomem *regs; struct platform_device *pdev; struct atmel_ssc_platform_data *pdata; struct clk *clk; int user; int irq; bool clk_from_rk_pin; bool sound_dai; }; struct ssc_device * __must_check ssc_request(unsigned int ssc_num); void ssc_free(struct ssc_device *ssc); /* SSC register offsets */ /* SSC Control Register */ #define SSC_CR 0x00000000 #define SSC_CR_RXDIS_SIZE 1 #define SSC_CR_RXDIS_OFFSET 1 #define SSC_CR_RXEN_SIZE 1 #define SSC_CR_RXEN_OFFSET 0 #define SSC_CR_SWRST_SIZE 1 #define SSC_CR_SWRST_OFFSET 15 #define SSC_CR_TXDIS_SIZE 1 #define SSC_CR_TXDIS_OFFSET 9 #define SSC_CR_TXEN_SIZE 1 #define SSC_CR_TXEN_OFFSET 8 /* SSC Clock Mode Register */ #define SSC_CMR 0x00000004 #define SSC_CMR_DIV_SIZE 12 #define SSC_CMR_DIV_OFFSET 0 /* SSC Receive Clock Mode Register */ #define SSC_RCMR 0x00000010 #define SSC_RCMR_CKG_SIZE 2 #define SSC_RCMR_CKG_OFFSET 6 #define SSC_RCMR_CKI_SIZE 1 #define SSC_RCMR_CKI_OFFSET 5 #define SSC_RCMR_CKO_SIZE 3 #define SSC_RCMR_CKO_OFFSET 2 #define SSC_RCMR_CKS_SIZE 2 #define SSC_RCMR_CKS_OFFSET 0 #define SSC_RCMR_PERIOD_SIZE 8 #define SSC_RCMR_PERIOD_OFFSET 24 #define SSC_RCMR_START_SIZE 4 #define SSC_RCMR_START_OFFSET 8 #define SSC_RCMR_STOP_SIZE 1 #define SSC_RCMR_STOP_OFFSET 12 #define SSC_RCMR_STTDLY_SIZE 8 #define SSC_RCMR_STTDLY_OFFSET 16 /* SSC Receive Frame Mode Register */ #define SSC_RFMR 0x00000014 #define SSC_RFMR_DATLEN_SIZE 5 #define SSC_RFMR_DATLEN_OFFSET 0 #define SSC_RFMR_DATNB_SIZE 4 #define SSC_RFMR_DATNB_OFFSET 8 #define SSC_RFMR_FSEDGE_SIZE 1 #define SSC_RFMR_FSEDGE_OFFSET 24 /* * The FSLEN_EXT exist on at91sam9rl, at91sam9g10, * at91sam9g20, and at91sam9g45 and newer SoCs */ #define SSC_RFMR_FSLEN_EXT_SIZE 4 #define SSC_RFMR_FSLEN_EXT_OFFSET 28 #define SSC_RFMR_FSLEN_SIZE 4 #define SSC_RFMR_FSLEN_OFFSET 16 #define SSC_RFMR_FSOS_SIZE 4 #define SSC_RFMR_FSOS_OFFSET 20 #define SSC_RFMR_LOOP_SIZE 1 #define SSC_RFMR_LOOP_OFFSET 5 #define SSC_RFMR_MSBF_SIZE 1 #define SSC_RFMR_MSBF_OFFSET 7 /* SSC Transmit Clock Mode Register */ #define SSC_TCMR 0x00000018 #define SSC_TCMR_CKG_SIZE 2 #define SSC_TCMR_CKG_OFFSET 6 #define SSC_TCMR_CKI_SIZE 1 #define SSC_TCMR_CKI_OFFSET 5 #define SSC_TCMR_CKO_SIZE 3 #define SSC_TCMR_CKO_OFFSET 2 #define SSC_TCMR_CKS_SIZE 2 #define SSC_TCMR_CKS_OFFSET 0 #define SSC_TCMR_PERIOD_SIZE 8 #define SSC_TCMR_PERIOD_OFFSET 24 #define SSC_TCMR_START_SIZE 4 #define SSC_TCMR_START_OFFSET 8 #define SSC_TCMR_STTDLY_SIZE 8 #define SSC_TCMR_STTDLY_OFFSET 16 /* SSC Transmit Frame Mode Register */ #define SSC_TFMR 0x0000001c #define SSC_TFMR_DATDEF_SIZE 1 #define SSC_TFMR_DATDEF_OFFSET 5 #define SSC_TFMR_DATLEN_SIZE 5 #define SSC_TFMR_DATLEN_OFFSET 0 #define SSC_TFMR_DATNB_SIZE 4 #define SSC_TFMR_DATNB_OFFSET 8 #define SSC_TFMR_FSDEN_SIZE 1 #define SSC_TFMR_FSDEN_OFFSET 23 #define SSC_TFMR_FSEDGE_SIZE 1 #define SSC_TFMR_FSEDGE_OFFSET 24 /* * The FSLEN_EXT exist on at91sam9rl, at91sam9g10, * at91sam9g20, and at91sam9g45 and newer SoCs */ #define SSC_TFMR_FSLEN_EXT_SIZE 4 #define SSC_TFMR_FSLEN_EXT_OFFSET 28 #define SSC_TFMR_FSLEN_SIZE 4 #define SSC_TFMR_FSLEN_OFFSET 16 #define SSC_TFMR_FSOS_SIZE 3 #define SSC_TFMR_FSOS_OFFSET 20 #define SSC_TFMR_MSBF_SIZE 1 #define SSC_TFMR_MSBF_OFFSET 7 /* SSC Receive Hold Register */ #define SSC_RHR 0x00000020 #define SSC_RHR_RDAT_SIZE 32 #define SSC_RHR_RDAT_OFFSET 0 /* SSC Transmit Hold Register */ #define SSC_THR 0x00000024 #define SSC_THR_TDAT_SIZE 32 #define SSC_THR_TDAT_OFFSET 0 /* SSC Receive Sync. Holding Register */ #define SSC_RSHR 0x00000030 #define SSC_RSHR_RSDAT_SIZE 16 #define SSC_RSHR_RSDAT_OFFSET 0 /* SSC Transmit Sync. Holding Register */ #define SSC_TSHR 0x00000034 #define SSC_TSHR_TSDAT_SIZE 16 #define SSC_TSHR_RSDAT_OFFSET 0 /* SSC Receive Compare 0 Register */ #define SSC_RC0R 0x00000038 #define SSC_RC0R_CP0_SIZE 16 #define SSC_RC0R_CP0_OFFSET 0 /* SSC Receive Compare 1 Register */ #define SSC_RC1R 0x0000003c #define SSC_RC1R_CP1_SIZE 16 #define SSC_RC1R_CP1_OFFSET 0 /* SSC Status Register */ #define SSC_SR 0x00000040 #define SSC_SR_CP0_SIZE 1 #define SSC_SR_CP0_OFFSET 8 #define SSC_SR_CP1_SIZE 1 #define SSC_SR_CP1_OFFSET 9 #define SSC_SR_ENDRX_SIZE 1 #define SSC_SR_ENDRX_OFFSET 6 #define SSC_SR_ENDTX_SIZE 1 #define SSC_SR_ENDTX_OFFSET 2 #define SSC_SR_OVRUN_SIZE 1 #define SSC_SR_OVRUN_OFFSET 5 #define SSC_SR_RXBUFF_SIZE 1 #define SSC_SR_RXBUFF_OFFSET 7 #define SSC_SR_RXEN_SIZE 1 #define SSC_SR_RXEN_OFFSET 17 #define SSC_SR_RXRDY_SIZE 1 #define SSC_SR_RXRDY_OFFSET 4 #define SSC_SR_RXSYN_SIZE 1 #define SSC_SR_RXSYN_OFFSET 11 #define SSC_SR_TXBUFE_SIZE 1 #define SSC_SR_TXBUFE_OFFSET 3 #define SSC_SR_TXEMPTY_SIZE 1 #define SSC_SR_TXEMPTY_OFFSET 1 #define SSC_SR_TXEN_SIZE 1 #define SSC_SR_TXEN_OFFSET 16 #define SSC_SR_TXRDY_SIZE 1 #define SSC_SR_TXRDY_OFFSET 0 #define SSC_SR_TXSYN_SIZE 1 #define SSC_SR_TXSYN_OFFSET 10 /* SSC Interrupt Enable Register */ #define SSC_IER 0x00000044 #define SSC_IER_CP0_SIZE 1 #define SSC_IER_CP0_OFFSET 8 #define SSC_IER_CP1_SIZE 1 #define SSC_IER_CP1_OFFSET 9 #define SSC_IER_ENDRX_SIZE 1 #define SSC_IER_ENDRX_OFFSET 6 #define SSC_IER_ENDTX_SIZE 1 #define SSC_IER_ENDTX_OFFSET 2 #define SSC_IER_OVRUN_SIZE 1 #define SSC_IER_OVRUN_OFFSET 5 #define SSC_IER_RXBUFF_SIZE 1 #define SSC_IER_RXBUFF_OFFSET 7 #define SSC_IER_RXRDY_SIZE 1 #define SSC_IER_RXRDY_OFFSET 4 #define SSC_IER_RXSYN_SIZE 1 #define SSC_IER_RXSYN_OFFSET 11 #define SSC_IER_TXBUFE_SIZE 1 #define SSC_IER_TXBUFE_OFFSET 3 #define SSC_IER_TXEMPTY_SIZE 1 #define SSC_IER_TXEMPTY_OFFSET 1 #define SSC_IER_TXRDY_SIZE 1 #define SSC_IER_TXRDY_OFFSET 0 #define SSC_IER_TXSYN_SIZE 1 #define SSC_IER_TXSYN_OFFSET 10 /* SSC Interrupt Disable Register */ #define SSC_IDR 0x00000048 #define SSC_IDR_CP0_SIZE 1 #define SSC_IDR_CP0_OFFSET 8 #define SSC_IDR_CP1_SIZE 1 #define SSC_IDR_CP1_OFFSET 9 #define SSC_IDR_ENDRX_SIZE 1 #define SSC_IDR_ENDRX_OFFSET 6 #define SSC_IDR_ENDTX_SIZE 1 #define SSC_IDR_ENDTX_OFFSET 2 #define SSC_IDR_OVRUN_SIZE 1 #define SSC_IDR_OVRUN_OFFSET 5 #define SSC_IDR_RXBUFF_SIZE 1 #define SSC_IDR_RXBUFF_OFFSET 7 #define SSC_IDR_RXRDY_SIZE 1 #define SSC_IDR_RXRDY_OFFSET 4 #define SSC_IDR_RXSYN_SIZE 1 #define SSC_IDR_RXSYN_OFFSET 11 #define SSC_IDR_TXBUFE_SIZE 1 #define SSC_IDR_TXBUFE_OFFSET 3 #define SSC_IDR_TXEMPTY_SIZE 1 #define SSC_IDR_TXEMPTY_OFFSET 1 #define SSC_IDR_TXRDY_SIZE 1 #define SSC_IDR_TXRDY_OFFSET 0 #define SSC_IDR_TXSYN_SIZE 1 #define SSC_IDR_TXSYN_OFFSET 10 /* SSC Interrupt Mask Register */ #define SSC_IMR 0x0000004c #define SSC_IMR_CP0_SIZE 1 #define SSC_IMR_CP0_OFFSET 8 #define SSC_IMR_CP1_SIZE 1 #define SSC_IMR_CP1_OFFSET 9 #define SSC_IMR_ENDRX_SIZE 1 #define SSC_IMR_ENDRX_OFFSET 6 #define SSC_IMR_ENDTX_SIZE 1 #define SSC_IMR_ENDTX_OFFSET 2 #define SSC_IMR_OVRUN_SIZE 1 #define SSC_IMR_OVRUN_OFFSET 5 #define SSC_IMR_RXBUFF_SIZE 1 #define SSC_IMR_RXBUFF_OFFSET 7 #define SSC_IMR_RXRDY_SIZE 1 #define SSC_IMR_RXRDY_OFFSET 4 #define SSC_IMR_RXSYN_SIZE 1 #define SSC_IMR_RXSYN_OFFSET 11 #define SSC_IMR_TXBUFE_SIZE 1 #define SSC_IMR_TXBUFE_OFFSET 3 #define SSC_IMR_TXEMPTY_SIZE 1 #define SSC_IMR_TXEMPTY_OFFSET 1 #define SSC_IMR_TXRDY_SIZE 1 #define SSC_IMR_TXRDY_OFFSET 0 #define SSC_IMR_TXSYN_SIZE 1 #define SSC_IMR_TXSYN_OFFSET 10 /* SSC PDC Receive Pointer Register */ #define SSC_PDC_RPR 0x00000100 /* SSC PDC Receive Counter Register */ #define SSC_PDC_RCR 0x00000104 /* SSC PDC Transmit Pointer Register */ #define SSC_PDC_TPR 0x00000108 /* SSC PDC Receive Next Pointer Register */ #define SSC_PDC_RNPR 0x00000110 /* SSC PDC Receive Next Counter Register */ #define SSC_PDC_RNCR 0x00000114 /* SSC PDC Transmit Counter Register */ #define SSC_PDC_TCR 0x0000010c /* SSC PDC Transmit Next Pointer Register */ #define SSC_PDC_TNPR 0x00000118 /* SSC PDC Transmit Next Counter Register */ #define SSC_PDC_TNCR 0x0000011c /* SSC PDC Transfer Control Register */ #define SSC_PDC_PTCR 0x00000120 #define SSC_PDC_PTCR_RXTDIS_SIZE 1 #define SSC_PDC_PTCR_RXTDIS_OFFSET 1 #define SSC_PDC_PTCR_RXTEN_SIZE 1 #define SSC_PDC_PTCR_RXTEN_OFFSET 0 #define SSC_PDC_PTCR_TXTDIS_SIZE 1 #define SSC_PDC_PTCR_TXTDIS_OFFSET 9 #define SSC_PDC_PTCR_TXTEN_SIZE 1 #define SSC_PDC_PTCR_TXTEN_OFFSET 8 /* SSC PDC Transfer Status Register */ #define SSC_PDC_PTSR 0x00000124 #define SSC_PDC_PTSR_RXTEN_SIZE 1 #define SSC_PDC_PTSR_RXTEN_OFFSET 0 #define SSC_PDC_PTSR_TXTEN_SIZE 1 #define SSC_PDC_PTSR_TXTEN_OFFSET 8 /* Bit manipulation macros */ #define SSC_BIT(name) \ (1 << SSC_##name##_OFFSET) #define SSC_BF(name, value) \ (((value) & ((1 << SSC_##name##_SIZE) - 1)) \ << SSC_##name##_OFFSET) #define SSC_BFEXT(name, value) \ (((value) >> SSC_##name##_OFFSET) \ & ((1 << SSC_##name##_SIZE) - 1)) #define SSC_BFINS(name, value, old) \ (((old) & ~(((1 << SSC_##name##_SIZE) - 1) \ << SSC_##name##_OFFSET)) | SSC_BF(name, value)) /* Register access macros */ #define ssc_readl(base, reg) __raw_readl(base + SSC_##reg) #define ssc_writel(base, reg, value) __raw_writel((value), base + SSC_##reg) #endif /* __INCLUDE_ATMEL_SSC_H */