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89b0d550a6
The offset cancellation values can be different from board to board, even on the same HW platform. Provide a way for the machine drivers to configure the McPDM offset cancellation. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
108 lines
2.9 KiB
C
108 lines
2.9 KiB
C
/*
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* omap-mcpdm.h
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*
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* Copyright (C) 2009 - 2011 Texas Instruments
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*
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* Contact: Misael Lopez Cruz <misael.lopez@ti.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*
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*/
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#ifndef __OMAP_MCPDM_H__
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#define __OMAP_MCPDM_H__
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#define MCPDM_REG_REVISION 0x00
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#define MCPDM_REG_SYSCONFIG 0x10
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#define MCPDM_REG_IRQSTATUS_RAW 0x24
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#define MCPDM_REG_IRQSTATUS 0x28
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#define MCPDM_REG_IRQENABLE_SET 0x2C
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#define MCPDM_REG_IRQENABLE_CLR 0x30
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#define MCPDM_REG_IRQWAKE_EN 0x34
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#define MCPDM_REG_DMAENABLE_SET 0x38
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#define MCPDM_REG_DMAENABLE_CLR 0x3C
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#define MCPDM_REG_DMAWAKEEN 0x40
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#define MCPDM_REG_CTRL 0x44
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#define MCPDM_REG_DN_DATA 0x48
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#define MCPDM_REG_UP_DATA 0x4C
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#define MCPDM_REG_FIFO_CTRL_DN 0x50
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#define MCPDM_REG_FIFO_CTRL_UP 0x54
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#define MCPDM_REG_DN_OFFSET 0x58
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/*
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* MCPDM_IRQ bit fields
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* IRQSTATUS_RAW, IRQSTATUS, IRQENABLE_SET, IRQENABLE_CLR
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*/
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#define MCPDM_DN_IRQ (1 << 0)
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#define MCPDM_DN_IRQ_EMPTY (1 << 1)
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#define MCPDM_DN_IRQ_ALMST_EMPTY (1 << 2)
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#define MCPDM_DN_IRQ_FULL (1 << 3)
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#define MCPDM_UP_IRQ (1 << 8)
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#define MCPDM_UP_IRQ_EMPTY (1 << 9)
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#define MCPDM_UP_IRQ_ALMST_FULL (1 << 10)
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#define MCPDM_UP_IRQ_FULL (1 << 11)
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#define MCPDM_DOWNLINK_IRQ_MASK 0x00F
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#define MCPDM_UPLINK_IRQ_MASK 0xF00
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/*
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* MCPDM_DMAENABLE bit fields
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*/
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#define MCPDM_DMA_DN_ENABLE (1 << 0)
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#define MCPDM_DMA_UP_ENABLE (1 << 1)
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/*
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* MCPDM_CTRL bit fields
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*/
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#define MCPDM_PDM_UPLINK_EN(x) (1 << (x - 1)) /* ch1 is at bit 0 */
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#define MCPDM_PDM_DOWNLINK_EN(x) (1 << (x + 2)) /* ch1 is at bit 3 */
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#define MCPDM_PDMOUTFORMAT (1 << 8)
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#define MCPDM_CMD_INT (1 << 9)
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#define MCPDM_STATUS_INT (1 << 10)
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#define MCPDM_SW_UP_RST (1 << 11)
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#define MCPDM_SW_DN_RST (1 << 12)
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#define MCPDM_WD_EN (1 << 14)
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#define MCPDM_PDM_UP_MASK 0x7
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#define MCPDM_PDM_DN_MASK (0x1f << 3)
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#define MCPDM_PDMOUTFORMAT_LJUST (0 << 8)
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#define MCPDM_PDMOUTFORMAT_RJUST (1 << 8)
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/*
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* MCPDM_FIFO_CTRL bit fields
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*/
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#define MCPDM_UP_THRES_MAX 0xF
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#define MCPDM_DN_THRES_MAX 0xF
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/*
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* MCPDM_DN_OFFSET bit fields
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*/
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#define MCPDM_DN_OFST_RX1_EN (1 << 0)
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#define MCPDM_DNOFST_RX1(x) ((x & 0x1f) << 1)
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#define MCPDM_DN_OFST_RX2_EN (1 << 8)
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#define MCPDM_DNOFST_RX2(x) ((x & 0x1f) << 9)
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void omap_mcpdm_configure_dn_offsets(struct snd_soc_pcm_runtime *rtd,
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u8 rx1, u8 rx2);
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#endif /* End of __OMAP_MCPDM_H__ */
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