diff options
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-s3c2410/dma.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-s3c2412/dma.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-s3c2440/dma.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-s3c2443/dma.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-s3c64xx/dma.c | 1 | ||||
| -rw-r--r-- | arch/arm/mach-s3c64xx/include/mach/dma.h | 57 | ||||
| -rw-r--r-- | arch/arm/plat-s3c/dma.c | 2 | ||||
| -rw-r--r-- | arch/arm/plat-s3c24xx/dma.c | 2 | ||||
| -rw-r--r-- | arch/arm/plat-s3c64xx/include/plat/dma-plat.h | 70 | ||||
| -rw-r--r-- | arch/arm/plat-samsung/include/plat/dma-s3c24xx.h (renamed from arch/arm/plat-s3c24xx/include/plat/dma-plat.h) | 4 |
10 files changed, 64 insertions, 80 deletions
diff --git a/arch/arm/mach-s3c2410/dma.c b/arch/arm/mach-s3c2410/dma.c index 63b753f56c6..0d8e043804c 100644 --- a/arch/arm/mach-s3c2410/dma.c +++ b/arch/arm/mach-s3c2410/dma.c @@ -21,7 +21,7 @@ #include <mach/dma.h> #include <plat/cpu.h> -#include <plat/dma-plat.h> +#include <plat/dma-s3c24xx.h> #include <plat/regs-serial.h> #include <mach/regs-gpio.h> diff --git a/arch/arm/mach-s3c2412/dma.c b/arch/arm/mach-s3c2412/dma.c index f8d16fc10bc..e880524904e 100644 --- a/arch/arm/mach-s3c2412/dma.c +++ b/arch/arm/mach-s3c2412/dma.c @@ -20,7 +20,7 @@ #include <mach/dma.h> -#include <plat/dma-plat.h> +#include <plat/dma-s3c24xx.h> #include <plat/cpu.h> #include <plat/regs-serial.h> diff --git a/arch/arm/mach-s3c2440/dma.c b/arch/arm/mach-s3c2440/dma.c index e08e081430f..3b0529f54e9 100644 --- a/arch/arm/mach-s3c2440/dma.c +++ b/arch/arm/mach-s3c2440/dma.c @@ -20,7 +20,7 @@ #include <mach/map.h> #include <mach/dma.h> -#include <plat/dma-plat.h> +#include <plat/dma-s3c24xx.h> #include <plat/cpu.h> #include <plat/regs-serial.h> diff --git a/arch/arm/mach-s3c2443/dma.c b/arch/arm/mach-s3c2443/dma.c index 397f3b5c0b4..3f658685ec1 100644 --- a/arch/arm/mach-s3c2443/dma.c +++ b/arch/arm/mach-s3c2443/dma.c @@ -20,7 +20,7 @@ #include <mach/dma.h> -#include <plat/dma-plat.h> +#include <plat/dma-s3c24xx.h> #include <plat/cpu.h> #include <plat/regs-serial.h> diff --git a/arch/arm/mach-s3c64xx/dma.c b/arch/arm/mach-s3c64xx/dma.c index 0e0edf75e8e..b62bdf18dca 100644 --- a/arch/arm/mach-s3c64xx/dma.c +++ b/arch/arm/mach-s3c64xx/dma.c @@ -27,7 +27,6 @@ #include <mach/map.h> #include <mach/irqs.h> -#include <plat/dma-plat.h> #include <mach/regs-sys.h> #include <asm/hardware/pl080.h> diff --git a/arch/arm/mach-s3c64xx/include/mach/dma.h b/arch/arm/mach-s3c64xx/include/mach/dma.h index 6723860748b..0a5d9268a23 100644 --- a/arch/arm/mach-s3c64xx/include/mach/dma.h +++ b/arch/arm/mach-s3c64xx/include/mach/dma.h @@ -67,4 +67,61 @@ static __inline__ bool s3c_dma_has_circular(void) #include <plat/dma.h> +#define DMACH_LOW_LEVEL (1<<28) /* use this to specifiy hardware ch no */ + +struct s3c64xx_dma_buff; + +/** s3c64xx_dma_buff - S3C64XX DMA buffer descriptor + * @next: Pointer to next buffer in queue or ring. + * @pw: Client provided identifier + * @lli: Pointer to hardware descriptor this buffer is associated with. + * @lli_dma: Hardare address of the descriptor. + */ +struct s3c64xx_dma_buff { + struct s3c64xx_dma_buff *next; + + void *pw; + struct pl080s_lli *lli; + dma_addr_t lli_dma; +}; + +struct s3c64xx_dmac; + +struct s3c2410_dma_chan { + unsigned char number; /* number of this dma channel */ + unsigned char in_use; /* channel allocated */ + unsigned char bit; /* bit for enable/disable/etc */ + unsigned char hw_width; + unsigned char peripheral; + + unsigned int flags; + enum s3c2410_dmasrc source; + + + dma_addr_t dev_addr; + + struct s3c2410_dma_client *client; + struct s3c64xx_dmac *dmac; /* pointer to controller */ + + void __iomem *regs; + + /* cdriver callbacks */ + s3c2410_dma_cbfn_t callback_fn; /* buffer done callback */ + s3c2410_dma_opfn_t op_fn; /* channel op callback */ + + /* buffer list and information */ + struct s3c64xx_dma_buff *curr; /* current dma buffer */ + struct s3c64xx_dma_buff *next; /* next buffer to load */ + struct s3c64xx_dma_buff *end; /* end of queue */ + + /* note, when channel is running in circular mode, curr is the + * first buffer enqueued, end is the last and curr is where the + * last buffer-done event is set-at. The buffers are not freed + * and the last buffer hardware descriptor points back to the + * first. + */ +}; + +#include <plat/dma-core.h> + #endif /* __ASM_ARCH_IRQ_H */ diff --git a/arch/arm/plat-s3c/dma.c b/arch/arm/plat-s3c/dma.c index a995850cd9d..606db1af5fe 100644 --- a/arch/arm/plat-s3c/dma.c +++ b/arch/arm/plat-s3c/dma.c @@ -20,8 +20,6 @@ struct s3c2410_dma_buf; #include <mach/dma.h> #include <mach/irqs.h> -#include <plat/dma-plat.h> - /* dma channel state information */ struct s3c2410_dma_chan s3c2410_chans[S3C_DMA_CHANNELS]; struct s3c2410_dma_chan *s3c_dma_chan_map[DMACH_MAX]; diff --git a/arch/arm/plat-s3c24xx/dma.c b/arch/arm/plat-s3c24xx/dma.c index f0ea7943ac5..93827b3d4e8 100644 --- a/arch/arm/plat-s3c24xx/dma.c +++ b/arch/arm/plat-s3c24xx/dma.c @@ -33,7 +33,7 @@ #include <mach/dma.h> #include <mach/map.h> -#include <plat/dma-plat.h> +#include <plat/dma-s3c24xx.h> #include <plat/regs-dma.h> /* io map for dma */ diff --git a/arch/arm/plat-s3c64xx/include/plat/dma-plat.h b/arch/arm/plat-s3c64xx/include/plat/dma-plat.h deleted file mode 100644 index 8f76a1e474d..00000000000 --- a/arch/arm/plat-s3c64xx/include/plat/dma-plat.h +++ /dev/null @@ -1,70 +0,0 @@ -/* linux/arch/arm/plat-s3c64xx/include/plat/dma-plat.h - * - * Copyright 2009 Openmoko, Inc. - * Copyright 2009 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * http://armlinux.simtec.co.uk/ - * - * S3C64XX DMA core - * - * 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. -*/ - -#define DMACH_LOW_LEVEL (1<<28) /* use this to specifiy hardware ch no */ - -struct s3c64xx_dma_buff; - -/** s3c64xx_dma_buff - S3C64XX DMA buffer descriptor - * @next: Pointer to next buffer in queue or ring. - * @pw: Client provided identifier - * @lli: Pointer to hardware descriptor this buffer is associated with. - * @lli_dma: Hardare address of the descriptor. - */ -struct s3c64xx_dma_buff { - struct s3c64xx_dma_buff *next; - - void *pw; - struct pl080s_lli *lli; - dma_addr_t lli_dma; -}; - -struct s3c64xx_dmac; - -struct s3c2410_dma_chan { - unsigned char number; /* number of this dma channel */ - unsigned char in_use; /* channel allocated */ - unsigned char bit; /* bit for enable/disable/etc */ - unsigned char hw_width; - unsigned char peripheral; - - unsigned int flags; - enum s3c2410_dmasrc source; - - - dma_addr_t dev_addr; - - struct s3c2410_dma_client *client; - struct s3c64xx_dmac *dmac; /* pointer to controller */ - - void __iomem *regs; - - /* cdriver callbacks */ - s3c2410_dma_cbfn_t callback_fn; /* buffer done callback */ - s3c2410_dma_opfn_t op_fn; /* channel op callback */ - - /* buffer list and information */ - struct s3c64xx_dma_buff *curr; /* current dma buffer */ - struct s3c64xx_dma_buff *next; /* next buffer to load */ - struct s3c64xx_dma_buff *end; /* end of queue */ - - /* note, when channel is running in circular mode, curr is the - * first buffer enqueued, end is the last and curr is where the - * last buffer-done event is set-at. The buffers are not freed - * and the last buffer hardware descriptor points back to the - * first. - */ -}; - -#include <plat/dma-core.h> diff --git a/arch/arm/plat-s3c24xx/include/plat/dma-plat.h b/arch/arm/plat-samsung/include/plat/dma-s3c24xx.h index 9565ead1bc9..336d5ac0203 100644 --- a/arch/arm/plat-s3c24xx/include/plat/dma-plat.h +++ b/arch/arm/plat-samsung/include/plat/dma-s3c24xx.h @@ -1,9 +1,9 @@ -/* linux/arch/arm/plat-s3c24xx/include/plat/dma-plat.h +/* linux/arch/arm/plat-samsung/include/plat/dma-s3c24xx.h * * Copyright (C) 2006 Simtec Electronics * Ben Dooks <ben@simtec.co.uk> * - * Samsung S3C24XX DMA support + * Samsung S3C24XX DMA support - per SoC functions * * 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 |