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linux_dsm_epyc7002/arch/arm/plat-omap/include/mach/mcbsp.h
Linus Torvalds 2ca7d674d7 Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm 
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (257 commits)
  [ARM] Update mach-types
  ARM: 5636/1: Move vendor enum to AMBA include
  ARM: Fix pfn_valid() for sparse memory
  [ARM] orion5x: Add LaCie NAS 2Big Network support
  [ARM] pxa/sharpsl_pm: zaurus c3000 aka spitz: fix resume
  ARM: 5686/1: at91: Correct AC97 reset line in at91sam9263ek board
  ARM: 5640/1: This patch modifies the support of AC97 on the at91sam9263 ek board
  ARM: 5689/1: Update default config of HP Jornada 700-series machines
  ARM: 5691/1: fix cache aliasing issues between kmap() and kmap_atomic() with highmem
  ARM: 5688/1: ks8695_serial: disable_irq() lockup
  ARM: 5687/1: fix an oops with highmem
  ARM: 5684/1: Add nuc960 platform to w90x900
  ARM: 5683/1: Add nuc950 platform to w90x900
  ARM: 5682/1: Add cpu.c and dev.c and modify some files of w90p910 platform
  ARM: 5626/1: add suspend/resume functions to amba-pl011 serial driver
  ARM: 5625/1: fix hard coded 4K resource size in amba bus detection
  MMC: MMCI: convert realview MMC to use gpiolib
  ARM: 5685/1: Make MMCI driver compile without gpiolib
  ARM: implement highpte
  ARM: Show FIQ in /proc/interrupts on CONFIG_FIQ
  ...

Fix up trivial conflict in arch/arm/kernel/signal.c.

It was due to the TIF_NOTIFY_RESUME addition in commit d0420c83f ("KEYS:
Extend TIF_NOTIFY_RESUME to (almost) all architectures") and follow-ups.
2009-09-14 17:48:14 -07:00

463 lines
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/*
* arch/arm/plat-omap/include/mach/mcbsp.h
*
* Defines for Multi-Channel Buffered Serial Port
*
* Copyright (C) 2002 RidgeRun, Inc.
* Author: Steve Johnson
*
* 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 __ASM_ARCH_OMAP_MCBSP_H
#define __ASM_ARCH_OMAP_MCBSP_H
#include <linux/completion.h>
#include <linux/spinlock.h>
#include <mach/hardware.h>
#include <mach/clock.h>
#define OMAP730_MCBSP1_BASE 0xfffb1000
#define OMAP730_MCBSP2_BASE 0xfffb1800
#define OMAP1510_MCBSP1_BASE 0xe1011800
#define OMAP1510_MCBSP2_BASE 0xfffb1000
#define OMAP1510_MCBSP3_BASE 0xe1017000
#define OMAP1610_MCBSP1_BASE 0xe1011800
#define OMAP1610_MCBSP2_BASE 0xfffb1000
#define OMAP1610_MCBSP3_BASE 0xe1017000
#define OMAP24XX_MCBSP1_BASE 0x48074000
#define OMAP24XX_MCBSP2_BASE 0x48076000
#define OMAP2430_MCBSP3_BASE 0x4808c000
#define OMAP2430_MCBSP4_BASE 0x4808e000
#define OMAP2430_MCBSP5_BASE 0x48096000
#define OMAP34XX_MCBSP1_BASE 0x48074000
#define OMAP34XX_MCBSP2_BASE 0x49022000
#define OMAP34XX_MCBSP3_BASE 0x49024000
#define OMAP34XX_MCBSP4_BASE 0x49026000
#define OMAP34XX_MCBSP5_BASE 0x48096000
#define OMAP44XX_MCBSP1_BASE 0x49022000
#define OMAP44XX_MCBSP2_BASE 0x49024000
#define OMAP44XX_MCBSP3_BASE 0x49026000
#define OMAP44XX_MCBSP4_BASE 0x48074000
#if defined(CONFIG_ARCH_OMAP15XX) || defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP730)
#define OMAP_MCBSP_REG_DRR2 0x00
#define OMAP_MCBSP_REG_DRR1 0x02
#define OMAP_MCBSP_REG_DXR2 0x04
#define OMAP_MCBSP_REG_DXR1 0x06
#define OMAP_MCBSP_REG_SPCR2 0x08
#define OMAP_MCBSP_REG_SPCR1 0x0a
#define OMAP_MCBSP_REG_RCR2 0x0c
#define OMAP_MCBSP_REG_RCR1 0x0e
#define OMAP_MCBSP_REG_XCR2 0x10
#define OMAP_MCBSP_REG_XCR1 0x12
#define OMAP_MCBSP_REG_SRGR2 0x14
#define OMAP_MCBSP_REG_SRGR1 0x16
#define OMAP_MCBSP_REG_MCR2 0x18
#define OMAP_MCBSP_REG_MCR1 0x1a
#define OMAP_MCBSP_REG_RCERA 0x1c
#define OMAP_MCBSP_REG_RCERB 0x1e
#define OMAP_MCBSP_REG_XCERA 0x20
#define OMAP_MCBSP_REG_XCERB 0x22
#define OMAP_MCBSP_REG_PCR0 0x24
#define OMAP_MCBSP_REG_RCERC 0x26
#define OMAP_MCBSP_REG_RCERD 0x28
#define OMAP_MCBSP_REG_XCERC 0x2A
#define OMAP_MCBSP_REG_XCERD 0x2C
#define OMAP_MCBSP_REG_RCERE 0x2E
#define OMAP_MCBSP_REG_RCERF 0x30
#define OMAP_MCBSP_REG_XCERE 0x32
#define OMAP_MCBSP_REG_XCERF 0x34
#define OMAP_MCBSP_REG_RCERG 0x36
#define OMAP_MCBSP_REG_RCERH 0x38
#define OMAP_MCBSP_REG_XCERG 0x3A
#define OMAP_MCBSP_REG_XCERH 0x3C
/* Dummy defines, these are not available on omap1 */
#define OMAP_MCBSP_REG_XCCR 0x00
#define OMAP_MCBSP_REG_RCCR 0x00
#define AUDIO_MCBSP_DATAWRITE (OMAP1510_MCBSP1_BASE + OMAP_MCBSP_REG_DXR1)
#define AUDIO_MCBSP_DATAREAD (OMAP1510_MCBSP1_BASE + OMAP_MCBSP_REG_DRR1)
#define AUDIO_MCBSP OMAP_MCBSP1
#define AUDIO_DMA_TX OMAP_DMA_MCBSP1_TX
#define AUDIO_DMA_RX OMAP_DMA_MCBSP1_RX
#elif defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \
defined(CONFIG_ARCH_OMAP4)
#define OMAP_MCBSP_REG_DRR2 0x00
#define OMAP_MCBSP_REG_DRR1 0x04
#define OMAP_MCBSP_REG_DXR2 0x08
#define OMAP_MCBSP_REG_DXR1 0x0C
#define OMAP_MCBSP_REG_DRR 0x00
#define OMAP_MCBSP_REG_DXR 0x08
#define OMAP_MCBSP_REG_SPCR2 0x10
#define OMAP_MCBSP_REG_SPCR1 0x14
#define OMAP_MCBSP_REG_RCR2 0x18
#define OMAP_MCBSP_REG_RCR1 0x1C
#define OMAP_MCBSP_REG_XCR2 0x20
#define OMAP_MCBSP_REG_XCR1 0x24
#define OMAP_MCBSP_REG_SRGR2 0x28
#define OMAP_MCBSP_REG_SRGR1 0x2C
#define OMAP_MCBSP_REG_MCR2 0x30
#define OMAP_MCBSP_REG_MCR1 0x34
#define OMAP_MCBSP_REG_RCERA 0x38
#define OMAP_MCBSP_REG_RCERB 0x3C
#define OMAP_MCBSP_REG_XCERA 0x40
#define OMAP_MCBSP_REG_XCERB 0x44
#define OMAP_MCBSP_REG_PCR0 0x48
#define OMAP_MCBSP_REG_RCERC 0x4C
#define OMAP_MCBSP_REG_RCERD 0x50
#define OMAP_MCBSP_REG_XCERC 0x54
#define OMAP_MCBSP_REG_XCERD 0x58
#define OMAP_MCBSP_REG_RCERE 0x5C
#define OMAP_MCBSP_REG_RCERF 0x60
#define OMAP_MCBSP_REG_XCERE 0x64
#define OMAP_MCBSP_REG_XCERF 0x68
#define OMAP_MCBSP_REG_RCERG 0x6C
#define OMAP_MCBSP_REG_RCERH 0x70
#define OMAP_MCBSP_REG_XCERG 0x74
#define OMAP_MCBSP_REG_XCERH 0x78
#define OMAP_MCBSP_REG_SYSCON 0x8C
#define OMAP_MCBSP_REG_THRSH2 0x90
#define OMAP_MCBSP_REG_THRSH1 0x94
#define OMAP_MCBSP_REG_IRQST 0xA0
#define OMAP_MCBSP_REG_IRQEN 0xA4
#define OMAP_MCBSP_REG_WAKEUPEN 0xA8
#define OMAP_MCBSP_REG_XCCR 0xAC
#define OMAP_MCBSP_REG_RCCR 0xB0
#define AUDIO_MCBSP_DATAWRITE (OMAP24XX_MCBSP2_BASE + OMAP_MCBSP_REG_DXR1)
#define AUDIO_MCBSP_DATAREAD (OMAP24XX_MCBSP2_BASE + OMAP_MCBSP_REG_DRR1)
#define AUDIO_MCBSP OMAP_MCBSP2
#define AUDIO_DMA_TX OMAP24XX_DMA_MCBSP2_TX
#define AUDIO_DMA_RX OMAP24XX_DMA_MCBSP2_RX
#endif
/************************** McBSP SPCR1 bit definitions ***********************/
#define RRST 0x0001
#define RRDY 0x0002
#define RFULL 0x0004
#define RSYNC_ERR 0x0008
#define RINTM(value) ((value)<<4) /* bits 4:5 */
#define ABIS 0x0040
#define DXENA 0x0080
#define CLKSTP(value) ((value)<<11) /* bits 11:12 */
#define RJUST(value) ((value)<<13) /* bits 13:14 */
#define ALB 0x8000
#define DLB 0x8000
/************************** McBSP SPCR2 bit definitions ***********************/
#define XRST 0x0001
#define XRDY 0x0002
#define XEMPTY 0x0004
#define XSYNC_ERR 0x0008
#define XINTM(value) ((value)<<4) /* bits 4:5 */
#define GRST 0x0040
#define FRST 0x0080
#define SOFT 0x0100
#define FREE 0x0200
/************************** McBSP PCR bit definitions *************************/
#define CLKRP 0x0001
#define CLKXP 0x0002
#define FSRP 0x0004
#define FSXP 0x0008
#define DR_STAT 0x0010
#define DX_STAT 0x0020
#define CLKS_STAT 0x0040
#define SCLKME 0x0080
#define CLKRM 0x0100
#define CLKXM 0x0200
#define FSRM 0x0400
#define FSXM 0x0800
#define RIOEN 0x1000
#define XIOEN 0x2000
#define IDLE_EN 0x4000
/************************** McBSP RCR1 bit definitions ************************/
#define RWDLEN1(value) ((value)<<5) /* Bits 5:7 */
#define RFRLEN1(value) ((value)<<8) /* Bits 8:14 */
/************************** McBSP XCR1 bit definitions ************************/
#define XWDLEN1(value) ((value)<<5) /* Bits 5:7 */
#define XFRLEN1(value) ((value)<<8) /* Bits 8:14 */
/*************************** McBSP RCR2 bit definitions ***********************/
#define RDATDLY(value) (value) /* Bits 0:1 */
#define RFIG 0x0004
#define RCOMPAND(value) ((value)<<3) /* Bits 3:4 */
#define RWDLEN2(value) ((value)<<5) /* Bits 5:7 */
#define RFRLEN2(value) ((value)<<8) /* Bits 8:14 */
#define RPHASE 0x8000
/*************************** McBSP XCR2 bit definitions ***********************/
#define XDATDLY(value) (value) /* Bits 0:1 */
#define XFIG 0x0004
#define XCOMPAND(value) ((value)<<3) /* Bits 3:4 */
#define XWDLEN2(value) ((value)<<5) /* Bits 5:7 */
#define XFRLEN2(value) ((value)<<8) /* Bits 8:14 */
#define XPHASE 0x8000
/************************* McBSP SRGR1 bit definitions ************************/
#define CLKGDV(value) (value) /* Bits 0:7 */
#define FWID(value) ((value)<<8) /* Bits 8:15 */
/************************* McBSP SRGR2 bit definitions ************************/
#define FPER(value) (value) /* Bits 0:11 */
#define FSGM 0x1000
#define CLKSM 0x2000
#define CLKSP 0x4000
#define GSYNC 0x8000
/************************* McBSP MCR1 bit definitions *************************/
#define RMCM 0x0001
#define RCBLK(value) ((value)<<2) /* Bits 2:4 */
#define RPABLK(value) ((value)<<5) /* Bits 5:6 */
#define RPBBLK(value) ((value)<<7) /* Bits 7:8 */
/************************* McBSP MCR2 bit definitions *************************/
#define XMCM(value) (value) /* Bits 0:1 */
#define XCBLK(value) ((value)<<2) /* Bits 2:4 */
#define XPABLK(value) ((value)<<5) /* Bits 5:6 */
#define XPBBLK(value) ((value)<<7) /* Bits 7:8 */
/*********************** McBSP XCCR bit definitions *************************/
#define EXTCLKGATE 0x8000
#define PPCONNECT 0x4000
#define DXENDLY(value) ((value)<<12) /* Bits 12:13 */
#define XFULL_CYCLE 0x0800
#define DILB 0x0020
#define XDMAEN 0x0008
#define XDISABLE 0x0001
/********************** McBSP RCCR bit definitions *************************/
#define RFULL_CYCLE 0x0800
#define RDMAEN 0x0008
#define RDISABLE 0x0001
/********************** McBSP SYSCONFIG bit definitions ********************/
#define CLOCKACTIVITY(value) ((value)<<8)
#define SIDLEMODE(value) ((value)<<3)
#define ENAWAKEUP 0x0004
#define SOFTRST 0x0002
/********************** McBSP DMA operating modes **************************/
#define MCBSP_DMA_MODE_ELEMENT 0
#define MCBSP_DMA_MODE_THRESHOLD 1
#define MCBSP_DMA_MODE_FRAME 2
/********************** McBSP WAKEUPEN bit definitions *********************/
#define XEMPTYEOFEN 0x4000
#define XRDYEN 0x0400
#define XEOFEN 0x0200
#define XFSXEN 0x0100
#define XSYNCERREN 0x0080
#define RRDYEN 0x0008
#define REOFEN 0x0004
#define RFSREN 0x0002
#define RSYNCERREN 0x0001
/* we don't do multichannel for now */
struct omap_mcbsp_reg_cfg {
u16 spcr2;
u16 spcr1;
u16 rcr2;
u16 rcr1;
u16 xcr2;
u16 xcr1;
u16 srgr2;
u16 srgr1;
u16 mcr2;
u16 mcr1;
u16 pcr0;
u16 rcerc;
u16 rcerd;
u16 xcerc;
u16 xcerd;
u16 rcere;
u16 rcerf;
u16 xcere;
u16 xcerf;
u16 rcerg;
u16 rcerh;
u16 xcerg;
u16 xcerh;
u16 xccr;
u16 rccr;
};
typedef enum {
OMAP_MCBSP1 = 0,
OMAP_MCBSP2,
OMAP_MCBSP3,
OMAP_MCBSP4,
OMAP_MCBSP5
} omap_mcbsp_id;
typedef int __bitwise omap_mcbsp_io_type_t;
#define OMAP_MCBSP_IRQ_IO ((__force omap_mcbsp_io_type_t) 1)
#define OMAP_MCBSP_POLL_IO ((__force omap_mcbsp_io_type_t) 2)
typedef enum {
OMAP_MCBSP_WORD_8 = 0,
OMAP_MCBSP_WORD_12,
OMAP_MCBSP_WORD_16,
OMAP_MCBSP_WORD_20,
OMAP_MCBSP_WORD_24,
OMAP_MCBSP_WORD_32,
} omap_mcbsp_word_length;
typedef enum {
OMAP_MCBSP_CLK_RISING = 0,
OMAP_MCBSP_CLK_FALLING,
} omap_mcbsp_clk_polarity;
typedef enum {
OMAP_MCBSP_FS_ACTIVE_HIGH = 0,
OMAP_MCBSP_FS_ACTIVE_LOW,
} omap_mcbsp_fs_polarity;
typedef enum {
OMAP_MCBSP_CLK_STP_MODE_NO_DELAY = 0,
OMAP_MCBSP_CLK_STP_MODE_DELAY,
} omap_mcbsp_clk_stp_mode;
/******* SPI specific mode **********/
typedef enum {
OMAP_MCBSP_SPI_MASTER = 0,
OMAP_MCBSP_SPI_SLAVE,
} omap_mcbsp_spi_mode;
struct omap_mcbsp_spi_cfg {
omap_mcbsp_spi_mode spi_mode;
omap_mcbsp_clk_polarity rx_clock_polarity;
omap_mcbsp_clk_polarity tx_clock_polarity;
omap_mcbsp_fs_polarity fsx_polarity;
u8 clk_div;
omap_mcbsp_clk_stp_mode clk_stp_mode;
omap_mcbsp_word_length word_length;
};
/* Platform specific configuration */
struct omap_mcbsp_ops {
void (*request)(unsigned int);
void (*free)(unsigned int);
};
struct omap_mcbsp_platform_data {
unsigned long phys_base;
u8 dma_rx_sync, dma_tx_sync;
u16 rx_irq, tx_irq;
struct omap_mcbsp_ops *ops;
#ifdef CONFIG_ARCH_OMAP34XX
u16 buffer_size;
#endif
};
struct omap_mcbsp {
struct device *dev;
unsigned long phys_base;
void __iomem *io_base;
u8 id;
u8 free;
omap_mcbsp_word_length rx_word_length;
omap_mcbsp_word_length tx_word_length;
omap_mcbsp_io_type_t io_type; /* IRQ or poll */
/* IRQ based TX/RX */
int rx_irq;
int tx_irq;
/* DMA stuff */
u8 dma_rx_sync;
short dma_rx_lch;
u8 dma_tx_sync;
short dma_tx_lch;
/* Completion queues */
struct completion tx_irq_completion;
struct completion rx_irq_completion;
struct completion tx_dma_completion;
struct completion rx_dma_completion;
/* Protect the field .free, while checking if the mcbsp is in use */
spinlock_t lock;
struct omap_mcbsp_platform_data *pdata;
struct clk *iclk;
struct clk *fclk;
#ifdef CONFIG_ARCH_OMAP34XX
int dma_op_mode;
u16 max_tx_thres;
u16 max_rx_thres;
#endif
};
extern struct omap_mcbsp **mcbsp_ptr;
extern int omap_mcbsp_count;
int omap_mcbsp_init(void);
void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config,
int size);
void omap_mcbsp_config(unsigned int id, const struct omap_mcbsp_reg_cfg * config);
#ifdef CONFIG_ARCH_OMAP34XX
void omap_mcbsp_set_tx_threshold(unsigned int id, u16 threshold);
void omap_mcbsp_set_rx_threshold(unsigned int id, u16 threshold);
u16 omap_mcbsp_get_max_tx_threshold(unsigned int id);
u16 omap_mcbsp_get_max_rx_threshold(unsigned int id);
int omap_mcbsp_get_dma_op_mode(unsigned int id);
#else
static inline void omap_mcbsp_set_tx_threshold(unsigned int id, u16 threshold)
{ }
static inline void omap_mcbsp_set_rx_threshold(unsigned int id, u16 threshold)
{ }
static inline u16 omap_mcbsp_get_max_tx_threshold(unsigned int id) { return 0; }
static inline u16 omap_mcbsp_get_max_rx_threshold(unsigned int id) { return 0; }
static inline int omap_mcbsp_get_dma_op_mode(unsigned int id) { return 0; }
#endif
int omap_mcbsp_request(unsigned int id);
void omap_mcbsp_free(unsigned int id);
void omap_mcbsp_start(unsigned int id, int tx, int rx);
void omap_mcbsp_stop(unsigned int id, int tx, int rx);
void omap_mcbsp_xmit_word(unsigned int id, u32 word);
u32 omap_mcbsp_recv_word(unsigned int id);
int omap_mcbsp_xmit_buffer(unsigned int id, dma_addr_t buffer, unsigned int length);
int omap_mcbsp_recv_buffer(unsigned int id, dma_addr_t buffer, unsigned int length);
int omap_mcbsp_spi_master_xmit_word_poll(unsigned int id, u32 word);
int omap_mcbsp_spi_master_recv_word_poll(unsigned int id, u32 * word);
/* SPI specific API */
void omap_mcbsp_set_spi_mode(unsigned int id, const struct omap_mcbsp_spi_cfg * spi_cfg);
/* Polled read/write functions */
int omap_mcbsp_pollread(unsigned int id, u16 * buf);
int omap_mcbsp_pollwrite(unsigned int id, u16 buf);
int omap_mcbsp_set_io_type(unsigned int id, omap_mcbsp_io_type_t io_type);
#endif
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