[linux.git] / include / linux / mfd / davinci_voicecodec.h

/*
 * DaVinci Voice Codec Core Interface for TI platforms
 *
 * Copyright (C) 2010 Texas Instruments, Inc
 *
 * Author: Miguel Aguilar <[email protected]>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

#ifndef __LINUX_MFD_DAVINCI_VOICECODEC_H_
#define __LINUX_MFD_DAVINIC_VOICECODEC_H_

#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/mfd/core.h>

#include <mach/edma.h>

/*
 * Register values.
 */
#define DAVINCI_VC_PID			0x00
#define DAVINCI_VC_CTRL			0x04
#define DAVINCI_VC_INTEN		0x08
#define DAVINCI_VC_INTSTATUS		0x0c
#define DAVINCI_VC_INTCLR		0x10
#define DAVINCI_VC_EMUL_CTRL		0x14
#define DAVINCI_VC_RFIFO		0x20
#define DAVINCI_VC_WFIFO		0x24
#define DAVINCI_VC_FIFOSTAT		0x28
#define DAVINCI_VC_TST_CTRL		0x2C
#define DAVINCI_VC_REG05		0x94
#define DAVINCI_VC_REG09		0xA4
#define DAVINCI_VC_REG12		0xB0

/* DAVINCI_VC_CTRL bit fields */
#define DAVINCI_VC_CTRL_MASK		0x5500
#define DAVINCI_VC_CTRL_RSTADC		BIT(0)
#define DAVINCI_VC_CTRL_RSTDAC		BIT(1)
#define DAVINCI_VC_CTRL_RD_BITS_8	BIT(4)
#define DAVINCI_VC_CTRL_RD_UNSIGNED	BIT(5)
#define DAVINCI_VC_CTRL_WD_BITS_8	BIT(6)
#define DAVINCI_VC_CTRL_WD_UNSIGNED	BIT(7)
#define DAVINCI_VC_CTRL_RFIFOEN		BIT(8)
#define DAVINCI_VC_CTRL_RFIFOCL		BIT(9)
#define DAVINCI_VC_CTRL_RFIFOMD_WORD_1	BIT(10)
#define DAVINCI_VC_CTRL_WFIFOEN		BIT(12)
#define DAVINCI_VC_CTRL_WFIFOCL		BIT(13)
#define DAVINCI_VC_CTRL_WFIFOMD_WORD_1	BIT(14)

/* DAVINCI_VC_INT bit fields */
#define DAVINCI_VC_INT_MASK		0x3F
#define DAVINCI_VC_INT_RDRDY_MASK	BIT(0)
#define DAVINCI_VC_INT_RERROVF_MASK	BIT(1)
#define DAVINCI_VC_INT_RERRUDR_MASK	BIT(2)
#define DAVINCI_VC_INT_WDREQ_MASK	BIT(3)
#define DAVINCI_VC_INT_WERROVF_MASKBIT	BIT(4)
#define DAVINCI_VC_INT_WERRUDR_MASK	BIT(5)

/* DAVINCI_VC_REG05 bit fields */
#define DAVINCI_VC_REG05_PGA_GAIN	0x07

/* DAVINCI_VC_REG09 bit fields */
#define DAVINCI_VC_REG09_MUTE		0x40
#define DAVINCI_VC_REG09_DIG_ATTEN	0x3F

/* DAVINCI_VC_REG12 bit fields */
#define DAVINCI_VC_REG12_POWER_ALL_ON	0xFD
#define DAVINCI_VC_REG12_POWER_ALL_OFF	0x00

#define DAVINCI_VC_CELLS		2

enum davinci_vc_cells {
	DAVINCI_VC_VCIF_CELL,
	DAVINCI_VC_CQ93VC_CELL,
};

struct davinci_vcif {
	struct platform_device	*pdev;
	u32 dma_tx_channel;
	u32 dma_rx_channel;
	dma_addr_t dma_tx_addr;
	dma_addr_t dma_rx_addr;
};

struct cq93vc {
	struct platform_device *pdev;
	struct snd_soc_codec *codec;
	u32 sysclk;
};

struct davinci_vc;

struct davinci_vc {
	/* Device data */
	struct device *dev;
	struct platform_device *pdev;
	struct clk *clk;

	/* Memory resources */
	void __iomem *base;
	resource_size_t pbase;
	size_t base_size;

	/* MFD cells */
	struct mfd_cell cells[DAVINCI_VC_CELLS];

	/* Client devices */
	struct davinci_vcif davinci_vcif;
	struct cq93vc cq93vc;
};

#endif
Commit	Line	Data
ca26308c MA	1	/*
	2	* DaVinci Voice Codec Core Interface for TI platforms
	3	*
	4	* Copyright (C) 2010 Texas Instruments, Inc
	5	*
	6	* Author: Miguel Aguilar <[email protected]>
	7	*
	8	* This program is free software; you can redistribute it and/or modify
	9	* it under the terms of the GNU General Public License as published by
	10	* the Free Software Foundation; either version 2 of the License, or
	11	* (at your option) any later version.
	12	*
	13	* This program is distributed in the hope that it will be useful,
	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	* GNU General Public License for more details.
	17	*
	18	* You should have received a copy of the GNU General Public License
	19	* along with this program; if not, write to the Free Software
	20	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	21	*/
	22
	23	#ifndef __LINUX_MFD_DAVINCI_VOICECODEC_H_
	24	#define __LINUX_MFD_DAVINIC_VOICECODEC_H_
	25
	26	#include <linux/kernel.h>
	27	#include <linux/platform_device.h>
	28	#include <linux/mfd/core.h>
	29
	30	#include <mach/edma.h>
	31
	32	/*
	33	* Register values.
	34	*/
	35	#define DAVINCI_VC_PID 0x00
	36	#define DAVINCI_VC_CTRL 0x04
	37	#define DAVINCI_VC_INTEN 0x08
	38	#define DAVINCI_VC_INTSTATUS 0x0c
	39	#define DAVINCI_VC_INTCLR 0x10
	40	#define DAVINCI_VC_EMUL_CTRL 0x14
	41	#define DAVINCI_VC_RFIFO 0x20
	42	#define DAVINCI_VC_WFIFO 0x24
	43	#define DAVINCI_VC_FIFOSTAT 0x28
	44	#define DAVINCI_VC_TST_CTRL 0x2C
	45	#define DAVINCI_VC_REG05 0x94
	46	#define DAVINCI_VC_REG09 0xA4
	47	#define DAVINCI_VC_REG12 0xB0
	48
	49	/* DAVINCI_VC_CTRL bit fields */
	50	#define DAVINCI_VC_CTRL_MASK 0x5500
	51	#define DAVINCI_VC_CTRL_RSTADC BIT(0)
	52	#define DAVINCI_VC_CTRL_RSTDAC BIT(1)
	53	#define DAVINCI_VC_CTRL_RD_BITS_8 BIT(4)
	54	#define DAVINCI_VC_CTRL_RD_UNSIGNED BIT(5)
	55	#define DAVINCI_VC_CTRL_WD_BITS_8 BIT(6)
	56	#define DAVINCI_VC_CTRL_WD_UNSIGNED BIT(7)
	57	#define DAVINCI_VC_CTRL_RFIFOEN BIT(8)
	58	#define DAVINCI_VC_CTRL_RFIFOCL BIT(9)
	59	#define DAVINCI_VC_CTRL_RFIFOMD_WORD_1 BIT(10)
	60	#define DAVINCI_VC_CTRL_WFIFOEN BIT(12)
	61	#define DAVINCI_VC_CTRL_WFIFOCL BIT(13)
	62	#define DAVINCI_VC_CTRL_WFIFOMD_WORD_1 BIT(14)
	63
	64	/* DAVINCI_VC_INT bit fields */
65	#define DAVINCI_VC_INT_MASK 0x3F
66	#define DAVINCI_VC_INT_RDRDY_MASK BIT(0)
67	#define DAVINCI_VC_INT_RERROVF_MASK BIT(1)
68	#define DAVINCI_VC_INT_RERRUDR_MASK BIT(2)
69	#define DAVINCI_VC_INT_WDREQ_MASK BIT(3)
70	#define DAVINCI_VC_INT_WERROVF_MASKBIT BIT(4)
71	#define DAVINCI_VC_INT_WERRUDR_MASK BIT(5)
72
73	/* DAVINCI_VC_REG05 bit fields */
74	#define DAVINCI_VC_REG05_PGA_GAIN 0x07
75
76	/* DAVINCI_VC_REG09 bit fields */
77	#define DAVINCI_VC_REG09_MUTE 0x40
78	#define DAVINCI_VC_REG09_DIG_ATTEN 0x3F
79
80	/* DAVINCI_VC_REG12 bit fields */
81	#define DAVINCI_VC_REG12_POWER_ALL_ON 0xFD
82	#define DAVINCI_VC_REG12_POWER_ALL_OFF 0x00
83
84	#define DAVINCI_VC_CELLS 2
85
86	enum davinci_vc_cells {
87	DAVINCI_VC_VCIF_CELL,
88	DAVINCI_VC_CQ93VC_CELL,
89	};
90
91	struct davinci_vcif {
92	struct platform_device *pdev;
93	u32 dma_tx_channel;
94	u32 dma_rx_channel;
95	dma_addr_t dma_tx_addr;
96	dma_addr_t dma_rx_addr;
97	};
98
99	struct cq93vc {
100	struct platform_device *pdev;
101	struct snd_soc_codec *codec;
102	u32 sysclk;
103	};
104
105	struct davinci_vc;
106
107	struct davinci_vc {
108	/* Device data */
109	struct device *dev;
110	struct platform_device *pdev;
111	struct clk *clk;
112
113	/* Memory resources */
114	void __iomem *base;
115	resource_size_t pbase;
116	size_t base_size;
117
118	/* MFD cells */
119	struct mfd_cell cells[DAVINCI_VC_CELLS];
120
121	/* Client devices */
122	struct davinci_vcif davinci_vcif;
123	struct cq93vc cq93vc;
124	};
125
126	#endif