Merge branches 'sh/intc-extension', 'sh/dmaengine', 'sh/serial-dma' and 'sh/clkfwk'

Conflicts:
	arch/sh/kernel/cpu/clock.c

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt 2010-03-30 11:26:43 +09:00
52 changed files with 863 additions and 697 deletions

View file

@ -451,6 +451,10 @@ struct device {
static inline const char *dev_name(const struct device *dev)
{
/* Use the init name until the kobject becomes available */
if (dev->init_name)
return dev->init_name;
return kobject_name(&dev->kobj);
}

View file

@ -33,8 +33,8 @@ struct plat_sci_port {
char *clk; /* clock string */
struct device *dma_dev;
#ifdef CONFIG_SERIAL_SH_SCI_DMA
enum sh_dmae_slave_chan_id dma_slave_tx;
enum sh_dmae_slave_chan_id dma_slave_rx;
unsigned int dma_slave_tx;
unsigned int dma_slave_rx;
#endif
};

101
include/linux/sh_dma.h Normal file
View file

@ -0,0 +1,101 @@
/*
* Header for the new SH dmaengine driver
*
* Copyright (C) 2010 Guennadi Liakhovetski <g.liakhovetski@gmx.de>
*
* 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 SH_DMA_H
#define SH_DMA_H
#include <linux/list.h>
#include <linux/dmaengine.h>
/* Used by slave DMA clients to request DMA to/from a specific peripheral */
struct sh_dmae_slave {
unsigned int slave_id; /* Set by the platform */
struct device *dma_dev; /* Set by the platform */
struct sh_dmae_slave_config *config; /* Set by the driver */
};
struct sh_dmae_regs {
u32 sar; /* SAR / source address */
u32 dar; /* DAR / destination address */
u32 tcr; /* TCR / transfer count */
};
struct sh_desc {
struct sh_dmae_regs hw;
struct list_head node;
struct dma_async_tx_descriptor async_tx;
enum dma_data_direction direction;
dma_cookie_t cookie;
size_t partial;
int chunks;
int mark;
};
struct sh_dmae_slave_config {
unsigned int slave_id;
dma_addr_t addr;
u32 chcr;
char mid_rid;
};
struct sh_dmae_channel {
unsigned int offset;
unsigned int dmars;
unsigned int dmars_bit;
};
struct sh_dmae_pdata {
struct sh_dmae_slave_config *slave;
int slave_num;
struct sh_dmae_channel *channel;
int channel_num;
unsigned int ts_low_shift;
unsigned int ts_low_mask;
unsigned int ts_high_shift;
unsigned int ts_high_mask;
unsigned int *ts_shift;
int ts_shift_num;
u16 dmaor_init;
};
/* DMA register */
#define SAR 0x00
#define DAR 0x04
#define TCR 0x08
#define CHCR 0x0C
#define DMAOR 0x40
/* DMAOR definitions */
#define DMAOR_AE 0x00000004
#define DMAOR_NMIF 0x00000002
#define DMAOR_DME 0x00000001
/* Definitions for the SuperH DMAC */
#define REQ_L 0x00000000
#define REQ_E 0x00080000
#define RACK_H 0x00000000
#define RACK_L 0x00040000
#define ACK_R 0x00000000
#define ACK_W 0x00020000
#define ACK_H 0x00000000
#define ACK_L 0x00010000
#define DM_INC 0x00004000
#define DM_DEC 0x00008000
#define DM_FIX 0x0000c000
#define SM_INC 0x00001000
#define SM_DEC 0x00002000
#define SM_FIX 0x00003000
#define RS_IN 0x00000200
#define RS_OUT 0x00000300
#define TS_BLK 0x00000040
#define TM_BUR 0x00000020
#define CHCR_DE 0x00000001
#define CHCR_TE 0x00000002
#define CHCR_IE 0x00000004
#endif

View file

@ -1,6 +1,8 @@
#ifndef __SH_INTC_H
#define __SH_INTC_H
#include <linux/ioport.h>
typedef unsigned char intc_enum;
struct intc_vect {
@ -71,6 +73,8 @@ struct intc_hw_desc {
struct intc_desc {
char *name;
struct resource *resource;
unsigned int num_resources;
intc_enum force_enable;
intc_enum force_disable;
struct intc_hw_desc hw;
@ -92,7 +96,7 @@ struct intc_desc symbol __initdata = { \
prio_regs, sense_regs, ack_regs), \
}
void __init register_intc_controller(struct intc_desc *desc);
int __init register_intc_controller(struct intc_desc *desc);
int intc_set_priority(unsigned int irq, unsigned int prio);
int reserve_irq_vector(unsigned int irq);