| /* sound/soc/s3c24xx/s3c-pcm.h |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| * |
| */ |
| |
| #ifndef __S3C_PCM_H |
| #define __S3C_PCM_H __FILE__ |
| |
| /*Register Offsets */ |
| #define S3C_PCM_CTL (0x00) |
| #define S3C_PCM_CLKCTL (0x04) |
| #define S3C_PCM_TXFIFO (0x08) |
| #define S3C_PCM_RXFIFO (0x0C) |
| #define S3C_PCM_IRQCTL (0x10) |
| #define S3C_PCM_IRQSTAT (0x14) |
| #define S3C_PCM_FIFOSTAT (0x18) |
| #define S3C_PCM_CLRINT (0x20) |
| |
| /* PCM_CTL Bit-Fields */ |
| #define S3C_PCM_CTL_TXDIPSTICK_MASK (0x3f) |
| #define S3C_PCM_CTL_TXDIPSTICK_SHIFT (13) |
| #define S3C_PCM_CTL_RXDIPSTICK_MASK (0x3f) |
| #define S3C_PCM_CTL_RXDIPSTICK_SHIFT (7) |
| #define S3C_PCM_CTL_TXDMA_EN (0x1<<6) |
| #define S3C_PCM_CTL_RXDMA_EN (0x1<<5) |
| #define S3C_PCM_CTL_TXMSB_AFTER_FSYNC (0x1<<4) |
| #define S3C_PCM_CTL_RXMSB_AFTER_FSYNC (0x1<<3) |
| #define S3C_PCM_CTL_TXFIFO_EN (0x1<<2) |
| #define S3C_PCM_CTL_RXFIFO_EN (0x1<<1) |
| #define S3C_PCM_CTL_ENABLE (0x1<<0) |
| |
| /* PCM_CLKCTL Bit-Fields */ |
| #define S3C_PCM_CLKCTL_SERCLK_EN (0x1<<19) |
| #define S3C_PCM_CLKCTL_SERCLKSEL_PCLK (0x1<<18) |
| #define S3C_PCM_CLKCTL_SCLKDIV_MASK (0x1ff) |
| #define S3C_PCM_CLKCTL_SYNCDIV_MASK (0x1ff) |
| #define S3C_PCM_CLKCTL_SCLKDIV_SHIFT (9) |
| #define S3C_PCM_CLKCTL_SYNCDIV_SHIFT (0) |
| |
| /* PCM_TXFIFO Bit-Fields */ |
| #define S3C_PCM_TXFIFO_DVALID (0x1<<16) |
| #define S3C_PCM_TXFIFO_DATA_MSK (0xffff<<0) |
| |
| /* PCM_RXFIFO Bit-Fields */ |
| #define S3C_PCM_RXFIFO_DVALID (0x1<<16) |
| #define S3C_PCM_RXFIFO_DATA_MSK (0xffff<<0) |
| |
| /* PCM_IRQCTL Bit-Fields */ |
| #define S3C_PCM_IRQCTL_IRQEN (0x1<<14) |
| #define S3C_PCM_IRQCTL_WRDEN (0x1<<12) |
| #define S3C_PCM_IRQCTL_TXEMPTYEN (0x1<<11) |
| #define S3C_PCM_IRQCTL_TXALMSTEMPTYEN (0x1<<10) |
| #define S3C_PCM_IRQCTL_TXFULLEN (0x1<<9) |
| #define S3C_PCM_IRQCTL_TXALMSTFULLEN (0x1<<8) |
| #define S3C_PCM_IRQCTL_TXSTARVEN (0x1<<7) |
| #define S3C_PCM_IRQCTL_TXERROVRFLEN (0x1<<6) |
| #define S3C_PCM_IRQCTL_RXEMPTEN (0x1<<5) |
| #define S3C_PCM_IRQCTL_RXALMSTEMPTEN (0x1<<4) |
| #define S3C_PCM_IRQCTL_RXFULLEN (0x1<<3) |
| #define S3C_PCM_IRQCTL_RXALMSTFULLEN (0x1<<2) |
| #define S3C_PCM_IRQCTL_RXSTARVEN (0x1<<1) |
| #define S3C_PCM_IRQCTL_RXERROVRFLEN (0x1<<0) |
| |
| /* PCM_IRQSTAT Bit-Fields */ |
| #define S3C_PCM_IRQSTAT_IRQPND (0x1<<13) |
| #define S3C_PCM_IRQSTAT_WRD_XFER (0x1<<12) |
| #define S3C_PCM_IRQSTAT_TXEMPTY (0x1<<11) |
| #define S3C_PCM_IRQSTAT_TXALMSTEMPTY (0x1<<10) |
| #define S3C_PCM_IRQSTAT_TXFULL (0x1<<9) |
| #define S3C_PCM_IRQSTAT_TXALMSTFULL (0x1<<8) |
| #define S3C_PCM_IRQSTAT_TXSTARV (0x1<<7) |
| #define S3C_PCM_IRQSTAT_TXERROVRFL (0x1<<6) |
| #define S3C_PCM_IRQSTAT_RXEMPT (0x1<<5) |
| #define S3C_PCM_IRQSTAT_RXALMSTEMPT (0x1<<4) |
| #define S3C_PCM_IRQSTAT_RXFULL (0x1<<3) |
| #define S3C_PCM_IRQSTAT_RXALMSTFULL (0x1<<2) |
| #define S3C_PCM_IRQSTAT_RXSTARV (0x1<<1) |
| #define S3C_PCM_IRQSTAT_RXERROVRFL (0x1<<0) |
| |
| /* PCM_FIFOSTAT Bit-Fields */ |
| #define S3C_PCM_FIFOSTAT_TXCNT_MSK (0x3f<<14) |
| #define S3C_PCM_FIFOSTAT_TXFIFOEMPTY (0x1<<13) |
| #define S3C_PCM_FIFOSTAT_TXFIFOALMSTEMPTY (0x1<<12) |
| #define S3C_PCM_FIFOSTAT_TXFIFOFULL (0x1<<11) |
| #define S3C_PCM_FIFOSTAT_TXFIFOALMSTFULL (0x1<<10) |
| #define S3C_PCM_FIFOSTAT_RXCNT_MSK (0x3f<<4) |
| #define S3C_PCM_FIFOSTAT_RXFIFOEMPTY (0x1<<3) |
| #define S3C_PCM_FIFOSTAT_RXFIFOALMSTEMPTY (0x1<<2) |
| #define S3C_PCM_FIFOSTAT_RXFIFOFULL (0x1<<1) |
| #define S3C_PCM_FIFOSTAT_RXFIFOALMSTFULL (0x1<<0) |
| |
| #define S3C_PCM_CLKSRC_PCLK 0 |
| #define S3C_PCM_CLKSRC_MUX 1 |
| |
| #define S3C_PCM_SCLK_PER_FS 0 |
| |
| /** |
| * struct s3c_pcm_info - S3C PCM Controller information |
| * @dev: The parent device passed to use from the probe. |
| * @regs: The pointer to the device register block. |
| * @dma_playback: DMA information for playback channel. |
| * @dma_capture: DMA information for capture channel. |
| */ |
| struct s3c_pcm_info { |
| spinlock_t lock; |
| struct device *dev; |
| void __iomem *regs; |
| |
| unsigned int sclk_per_fs; |
| |
| /* Whether to keep PCMSCLK enabled even when idle(no active xfer) */ |
| unsigned int idleclk; |
| |
| struct clk *pclk; |
| struct clk *cclk; |
| |
| struct s3c_dma_params *dma_playback; |
| struct s3c_dma_params *dma_capture; |
| }; |
| |
| #endif /* __S3C_PCM_H */ |
