diff options
Diffstat (limited to 'include/asm-arm/arch-s3c2410')
49 files changed, 0 insertions, 5057 deletions
diff --git a/include/asm-arm/arch-s3c2410/anubis-cpld.h b/include/asm-arm/arch-s3c2410/anubis-cpld.h deleted file mode 100644 index 168b93fee52..00000000000 --- a/include/asm-arm/arch-s3c2410/anubis-cpld.h +++ /dev/null @@ -1,25 +0,0 @@ -/* linux/include/asm-arm/arch-s3c2410/anubis-cpld.h - * - * Copyright (c) 2005 Simtec Electronics - * http://www.simtec.co.uk/products/ - * Ben Dooks <ben@simtec.co.uk> - * - * ANUBIS - CPLD control constants - * - * 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 __ASM_ARCH_ANUBISCPLD_H -#define __ASM_ARCH_ANUBISCPLD_H - -/* CTRL2 - NAND WP control, IDE Reset assert/check */ - -#define ANUBIS_CTRL1_NANDSEL (0x3) - -/* IDREG - revision */ - -#define ANUBIS_IDREG_REVMASK (0x7) - -#endif /* __ASM_ARCH_ANUBISCPLD_H */ diff --git a/include/asm-arm/arch-s3c2410/anubis-irq.h b/include/asm-arm/arch-s3c2410/anubis-irq.h deleted file mode 100644 index cd77a70d45c..00000000000 --- a/include/asm-arm/arch-s3c2410/anubis-irq.h +++ /dev/null @@ -1,21 +0,0 @@ -/* linux/include/asm-arm/arch-s3c2410/anubis-irq.h - * - * Copyright (c) 2005 Simtec Electronics - * http://www.simtec.co.uk/products/ - * Ben Dooks <ben@simtec.co.uk> - * - * ANUBIS - IRQ Number definitions - * - * 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 __ASM_ARCH_ANUBISIRQ_H -#define __ASM_ARCH_ANUBISIRQ_H - -#define IRQ_IDE0 IRQ_EINT2 -#define IRQ_IDE1 IRQ_EINT3 -#define IRQ_ASIX IRQ_EINT1 - -#endif /* __ASM_ARCH_ANUBISIRQ_H */ diff --git a/include/asm-arm/arch-s3c2410/anubis-map.h b/include/asm-arm/arch-s3c2410/anubis-map.h deleted file mode 100644 index 830d114261d..00000000000 --- a/include/asm-arm/arch-s3c2410/anubis-map.h +++ /dev/null @@ -1,38 +0,0 @@ -/* linux/include/asm-arm/arch-s3c2410/anubis-map.h - * - * Copyright (c) 2005 Simtec Electronics - * http://www.simtec.co.uk/products/ - * Ben Dooks <ben@simtec.co.uk> - * - * ANUBIS - Memory map definitions - * - * 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. -*/ - -/* needs arch/map.h including with this */ - -#ifndef __ASM_ARCH_ANUBISMAP_H -#define __ASM_ARCH_ANUBISMAP_H - -/* start peripherals off after the S3C2410 */ - -#define ANUBIS_IOADDR(x) (S3C2410_ADDR((x) + 0x01800000)) - -#define ANUBIS_PA_CPLD (S3C2410_CS1 | (1<<26)) - -/* we put the CPLD registers next, to get them out of the way */ - -#define ANUBIS_VA_CTRL1 ANUBIS_IOADDR(0x00000000) /* 0x01800000 */ -#define ANUBIS_PA_CTRL1 (ANUBIS_PA_CPLD) - -#define ANUBIS_VA_IDREG ANUBIS_IOADDR(0x00300000) /* 0x01B00000 */ -#define ANUBIS_PA_IDREG (ANUBIS_PA_CPLD + (3<<23)) - -#define ANUBIS_IDEPRI ANUBIS_IOADDR(0x01000000) -#define ANUBIS_IDEPRIAUX ANUBIS_IOADDR(0x01100000) -#define ANUBIS_IDESEC ANUBIS_IOADDR(0x01200000) -#define ANUBIS_IDESECAUX ANUBIS_IOADDR(0x01300000) - -#endif /* __ASM_ARCH_ANUBISMAP_H */ diff --git a/include/asm-arm/arch-s3c2410/audio.h b/include/asm-arm/arch-s3c2410/audio.h deleted file mode 100644 index 0a6977fb577..00000000000 --- a/include/asm-arm/arch-s3c2410/audio.h +++ /dev/null @@ -1,45 +0,0 @@ -/* linux/include/asm-arm/arch-s3c2410/audio.h - * - * Copyright (c) 2004-2005 Simtec Electronics - * http://www.simtec.co.uk/products/SWLINUX/ - * Ben Dooks <ben@simtec.co.uk> - * - * S3C24XX - Audio platfrom_device info - * - * 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 __ASM_ARCH_AUDIO_H -#define __ASM_ARCH_AUDIO_H __FILE__ - -/* struct s3c24xx_iis_ops - * - * called from the s3c24xx audio core to deal with the architecture - * or the codec's setup and control. - * - * the pointer to itself is passed through in case the caller wants to - * embed this in an larger structure for easy reference to it's context. -*/ - -struct s3c24xx_iis_ops { - struct module *owner; - - int (*startup)(struct s3c24xx_iis_ops *me); - void (*shutdown)(struct s3c24xx_iis_ops *me); - int (*suspend)(struct s3c24xx_iis_ops *me); - int (*resume)(struct s3c24xx_iis_ops *me); - - int (*open)(struct s3c24xx_iis_ops *me, struct snd_pcm_substream *strm); - int (*close)(struct s3c24xx_iis_ops *me, struct snd_pcm_substream *strm); - int (*prepare)(struct s3c24xx_iis_ops *me, struct snd_pcm_substream *strm, struct snd_pcm_runtime *rt); -}; - -struct s3c24xx_platdata_iis { - const char *codec_clk; - struct s3c24xx_iis_ops *ops; - int (*match_dev)(struct device *dev); -}; - -#endif /* __ASM_ARCH_AUDIO_H */ diff --git a/include/asm-arm/arch-s3c2410/bast-cpld.h b/include/asm-arm/arch-s3c2410/bast-cpld.h deleted file mode 100644 index 034d2c5a47c..00000000000 --- a/include/asm-arm/arch-s3c2410/bast-cpld.h +++ /dev/null @@ -1,53 +0,0 @@ -/* linux/include/asm-arm/arch-s3c2410/bast-cpld.h - * - * Copyright (c) 2003,2004 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * - * BAST - CPLD control constants - * - * 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 __ASM_ARCH_BASTCPLD_H -#define __ASM_ARCH_BASTCPLD_H - -/* CTRL1 - Audio LR routing */ - -#define BAST_CPLD_CTRL1_LRCOFF (0x00) -#define BAST_CPLD_CTRL1_LRCADC (0x01) -#define BAST_CPLD_CTRL1_LRCDAC (0x02) -#define BAST_CPLD_CTRL1_LRCARM (0x03) -#define BAST_CPLD_CTRL1_LRMASK (0x03) - -/* CTRL2 - NAND WP control, IDE Reset assert/check */ - -#define BAST_CPLD_CTRL2_WNAND (0x04) -#define BAST_CPLD_CTLR2_IDERST (0x08) - -/* CTRL3 - rom write control, CPLD identity */ - -#define BAST_CPLD_CTRL3_IDMASK (0x0e) -#define BAST_CPLD_CTRL3_ROMWEN (0x01) - -/* CTRL4 - 8bit LCD interface control/status */ - -#define BAST_CPLD_CTRL4_LLAT (0x01) -#define BAST_CPLD_CTRL4_LCDRW (0x02) -#define BAST_CPLD_CTRL4_LCDCMD (0x04) -#define BAST_CPLD_CTRL4_LCDE2 (0x01) - -/* CTRL5 - DMA routing */ - -#define BAST_CPLD_DMA0_PRIIDE (0<<0) -#define BAST_CPLD_DMA0_SECIDE (1<<0) -#define BAST_CPLD_DMA0_ISA15 (2<<0) -#define BAST_CPLD_DMA0_ISA36 (3<<0) - -#define BAST_CPLD_DMA1_PRIIDE (0<<2) -#define BAST_CPLD_DMA1_SECIDE (1<<2) -#define BAST_CPLD_DMA1_ISA15 (2<<2) -#define BAST_CPLD_DMA1_ISA36 (3<<2) - -#endif /* __ASM_ARCH_BASTCPLD_H */ diff --git a/include/asm-arm/arch-s3c2410/bast-irq.h b/include/asm-arm/arch-s3c2410/bast-irq.h deleted file mode 100644 index 726c0466f85..00000000000 --- a/include/asm-arm/arch-s3c2410/bast-irq.h +++ /dev/null @@ -1,29 +0,0 @@ -/* linux/include/asm-arm/arch-s3c2410/bast-irq.h - * - * Copyright (c) 2003,2004 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * - * Machine BAST - IRQ Number definitions - * - * 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 __ASM_ARCH_BASTIRQ_H -#define __ASM_ARCH_BASTIRQ_H - -/* irq numbers to onboard peripherals */ - -#define IRQ_USBOC IRQ_EINT18 -#define IRQ_IDE0 IRQ_EINT16 -#define IRQ_IDE1 IRQ_EINT17 -#define IRQ_PCSERIAL1 IRQ_EINT15 -#define IRQ_PCSERIAL2 IRQ_EINT14 -#define IRQ_PCPARALLEL IRQ_EINT13 -#define IRQ_ASIX IRQ_EINT11 -#define IRQ_DM9000 IRQ_EINT10 -#define IRQ_ISA IRQ_EINT9 -#define IRQ_SMALERT IRQ_EINT8 - -#endif /* __ASM_ARCH_BASTIRQ_H */ diff --git a/include/asm-arm/arch-s3c2410/bast-map.h b/include/asm-arm/arch-s3c2410/bast-map.h deleted file mode 100644 index 86ac1c108db..00000000000 --- a/include/asm-arm/arch-s3c2410/bast-map.h +++ /dev/null @@ -1,146 +0,0 @@ -/* linux/include/asm-arm/arch-s3c2410/bast-map.h - * - * Copyright (c) 2003,2004 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * - * Machine BAST - Memory map definitions - * - * 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. -*/ - -/* needs arch/map.h including with this */ - -/* ok, we've used up to 0x13000000, now we need to find space for the - * peripherals that live in the nGCS[x] areas, which are quite numerous - * in their space. We also have the board's CPLD to find register space - * for. - */ - -#ifndef __ASM_ARCH_BASTMAP_H -#define __ASM_ARCH_BASTMAP_H - -#define BAST_IOADDR(x) (S3C2410_ADDR((x) + 0x01300000)) - -/* we put the CPLD registers next, to get them out of the way */ - -#define BAST_VA_CTRL1 BAST_IOADDR(0x00000000) /* 0x01300000 */ -#define BAST_PA_CTRL1 (S3C2410_CS5 | 0x7800000) - -#define BAST_VA_CTRL2 BAST_IOADDR(0x00100000) /* 0x01400000 */ -#define BAST_PA_CTRL2 (S3C2410_CS1 | 0x6000000) - -#define BAST_VA_CTRL3 BAST_IOADDR(0x00200000) /* 0x01500000 */ -#define BAST_PA_CTRL3 (S3C2410_CS1 | 0x6800000) - -#define BAST_VA_CTRL4 BAST_IOADDR(0x00300000) /* 0x01600000 */ -#define BAST_PA_CTRL4 (S3C2410_CS1 | 0x7000000) - -/* next, we have the PC104 ISA interrupt registers */ - -#define BAST_PA_PC104_IRQREQ (S3C2410_CS5 | 0x6000000) /* 0x01700000 */ -#define BAST_VA_PC104_IRQREQ BAST_IOADDR(0x00400000) - -#define BAST_PA_PC104_IRQRAW (S3C2410_CS5 | 0x6800000) /* 0x01800000 */ -#define BAST_VA_PC104_IRQRAW BAST_IOADDR(0x00500000) - -#define BAST_PA_PC104_IRQMASK (S3C2410_CS5 | 0x7000000) /* 0x01900000 */ -#define BAST_VA_PC104_IRQMASK BAST_IOADDR(0x00600000) - -#define BAST_PA_LCD_RCMD1 (0x8800000) -#define BAST_VA_LCD_RCMD1 BAST_IOADDR(0x00700000) - -#define BAST_PA_LCD_WCMD1 (0x8000000) -#define BAST_VA_LCD_WCMD1 BAST_IOADDR(0x00800000) - -#define BAST_PA_LCD_RDATA1 (0x9800000) -#define BAST_VA_LCD_RDATA1 BAST_IOADDR(0x00900000) - -#define BAST_PA_LCD_WDATA1 (0x9000000) -#define BAST_VA_LCD_WDATA1 BAST_IOADDR(0x00A00000) - -#define BAST_PA_LCD_RCMD2 (0xA800000) -#define BAST_VA_LCD_RCMD2 BAST_IOADDR(0x00B00000) - -#define BAST_PA_LCD_WCMD2 (0xA000000) -#define BAST_VA_LCD_WCMD2 BAST_IOADDR(0x00C00000) - -#define BAST_PA_LCD_RDATA2 (0xB800000) -#define BAST_VA_LCD_RDATA2 BAST_IOADDR(0x00D00000) - -#define BAST_PA_LCD_WDATA2 (0xB000000) -#define BAST_VA_LCD_WDATA2 BAST_IOADDR(0x00E00000) - - -/* 0xE0000000 contains the IO space that is split by speed and - * wether the access is for 8 or 16bit IO... this ensures that - * the correct access is made - * - * 0x10000000 of space, partitioned as so: - * - * 0x00000000 to 0x04000000 8bit, slow - * 0x04000000 to 0x08000000 16bit, slow - * 0x08000000 to 0x0C000000 16bit, net - * 0x0C000000 to 0x10000000 16bit, fast - * - * each of these spaces has the following in: - * - * 0x00000000 to 0x01000000 16MB ISA IO space - * 0x01000000 to 0x02000000 16MB ISA memory space - * 0x02000000 to 0x02100000 1MB IDE primary channel - * 0x02100000 to 0x02200000 1MB IDE primary channel aux - * 0x02200000 to 0x02400000 1MB IDE secondary channel - * 0x02300000 to 0x02400000 1MB IDE secondary channel aux - * 0x02400000 to 0x02500000 1MB ASIX ethernet controller - * 0x02500000 to 0x02600000 1MB Davicom DM9000 ethernet controller - * 0x02600000 to 0x02700000 1MB PC SuperIO controller - * - * the phyiscal layout of the zones are: - * nGCS2 - 8bit, slow - * nGCS3 - 16bit, slow - * nGCS4 - 16bit, net - * nGCS5 - 16bit, fast - */ - -#define BAST_VA_MULTISPACE (0xE0000000) - -#define BAST_VA_ISAIO (BAST_VA_MULTISPACE + 0x00000000) -#define BAST_VA_ISAMEM (BAST_VA_MULTISPACE + 0x01000000) -#define BAST_VA_IDEPRI (BAST_VA_MULTISPACE + 0x02000000) -#define BAST_VA_IDEPRIAUX (BAST_VA_MULTISPACE + 0x02100000) -#define BAST_VA_IDESEC (BAST_VA_MULTISPACE + 0x02200000) -#define BAST_VA_IDESECAUX (BAST_VA_MULTISPACE + 0x02300000) -#define BAST_VA_ASIXNET (BAST_VA_MULTISPACE + 0x02400000) -#define BAST_VA_DM9000 (BAST_VA_MULTISPACE + 0x02500000) -#define BAST_VA_SUPERIO (BAST_VA_MULTISPACE + 0x02600000) - -#define BAST_VA_MULTISPACE (0xE0000000) - -#define BAST_VAM_CS2 (0x00000000) -#define BAST_VAM_CS3 (0x04000000) -#define BAST_VAM_CS4 (0x08000000) -#define BAST_VAM_CS5 (0x0C000000) - -/* physical offset addresses for the peripherals */ - -#define BAST_PA_ISAIO (0x00000000) -#define BAST_PA_ASIXNET (0x01000000) -#define BAST_PA_SUPERIO (0x01800000) -#define BAST_PA_IDEPRI (0x02000000) -#define BAST_PA_IDEPRIAUX (0x02800000) -#define BAST_PA_IDESEC (0x03000000) -#define BAST_PA_IDESECAUX (0x03800000) -#define BAST_PA_ISAMEM (0x04000000) -#define BAST_PA_DM9000 (0x05000000) - -/* some configurations for the peripherals */ - -#define BAST_PCSIO (BAST_VA_SUPERIO + BAST_VAM_CS2) -/* */ - -#define BAST_ASIXNET_CS BAST_VAM_CS5 -#define BAST_IDE_CS BAST_VAM_CS5 -#define BAST_DM9000_CS BAST_VAM_CS4 - -#endif /* __ASM_ARCH_BASTMAP_H */ diff --git a/include/asm-arm/arch-s3c2410/bast-pmu.h b/include/asm-arm/arch-s3c2410/bast-pmu.h deleted file mode 100644 index 37a11fe54a7..00000000000 --- a/include/asm-arm/arch-s3c2410/bast-pmu.h +++ /dev/null @@ -1,40 +0,0 @@ -/* linux/include/asm-arm/arch-s3c2410/bast-pmu.h - * - * Copyright (c) 2003,2004 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * Vincent Sanders <vince@simtec.co.uk> - * - * Machine BAST - Power Management chip - * - * 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 __ASM_ARCH_BASTPMU_H -#define __ASM_ARCH_BASTPMU_H "08_OCT_2004" - -#define BASTPMU_REG_IDENT (0x00) -#define BASTPMU_REG_VERSION (0x01) -#define BASTPMU_REG_DDCCTRL (0x02) -#define BASTPMU_REG_POWER (0x03) -#define BASTPMU_REG_RESET (0x04) -#define BASTPMU_REG_GWO (0x05) -#define BASTPMU_REG_WOL (0x06) -#define BASTPMU_REG_WOR (0x07) -#define BASTPMU_REG_UID (0x09) - -#define BASTPMU_EEPROM (0xC0) - -#define BASTPMU_EEP_UID (BASTPMU_EEPROM + 0) -#define BASTPMU_EEP_WOL (BASTPMU_EEPROM + 8) -#define BASTPMU_EEP_WOR (BASTPMU_EEPROM + 9) - -#define BASTPMU_IDENT_0 0x53 -#define BASTPMU_IDENT_1 0x42 -#define BASTPMU_IDENT_2 0x50 -#define BASTPMU_IDENT_3 0x4d - -#define BASTPMU_RESET_GUARD (0x55) - -#endif /* __ASM_ARCH_BASTPMU_H */ diff --git a/include/asm-arm/arch-s3c2410/debug-macro.S b/include/asm-arm/arch-s3c2410/debug-macro.S deleted file mode 100644 index 89076c32272..00000000000 --- a/include/asm-arm/arch-s3c2410/debug-macro.S +++ /dev/null @@ -1,102 +0,0 @@ -/* linux/include/asm-arm/arch-s3c2410/debug-macro.S - * - * Debugging macro include header - * - * Copyright (C) 1994-1999 Russell King - * Copyright (C) 2005 Simtec Electronics - * - * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks - * - * 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. -*/ - -#include <asm/arch/map.h> -#include <asm/arch/regs-gpio.h> -#include <asm/plat-s3c/regs-serial.h> - -#define S3C2410_UART1_OFF (0x4000) -#define SHIFT_2440TXF (14-9) - - .macro addruart, rx - mrc p15, 0, \rx, c1, c0 - tst \rx, #1 - ldreq \rx, = S3C24XX_PA_UART - ldrne \rx, = S3C24XX_VA_UART -#if CONFIG_DEBUG_S3C_UART != 0 - add \rx, \rx, #(S3C2410_UART1_OFF * CONFIG_DEBUG_S3C_UART) -#endif - .endm - - .macro fifo_full_s3c24xx rd, rx - @ check for arm920 vs arm926. currently assume all arm926 - @ devices have an 64 byte FIFO identical to the s3c2440 - mrc p15, 0, \rd, c0, c0 - and \rd, \rd, #0xff0 - teq \rd, #0x260 - beq 1004f - mrc p15, 0, \rd, c1, c0 - tst \rd, #1 - addeq \rd, \rx, #(S3C24XX_PA_GPIO - S3C24XX_PA_UART) - addne \rd, \rx, #(S3C24XX_VA_GPIO - S3C24XX_VA_UART) - bic \rd, \rd, #0xff000 - ldr \rd, [ \rd, # S3C2410_GSTATUS1 - S3C2410_GPIOREG(0) ] - and \rd, \rd, #0x00ff0000 - teq \rd, #0x00440000 @ is it 2440? -1004: - ldr \rd, [ \rx, # S3C2410_UFSTAT ] - moveq \rd, \rd, lsr #SHIFT_2440TXF - tst \rd, #S3C2410_UFSTAT_TXFULL - .endm - - .macro fifo_full_s3c2410 rd, rx - ldr \rd, [ \rx, # S3C2410_UFSTAT ] - tst \rd, #S3C2410_UFSTAT_TXFULL - .endm - -/* fifo level reading */ - - .macro fifo_level_s3c24xx rd, rx - @ check for arm920 vs arm926. currently assume all arm926 - @ devices have an 64 byte FIFO identical to the s3c2440 - mrc p15, 0, \rd, c0, c0 - and \rd, \rd, #0xff0 - teq \rd, #0x260 - beq 10000f - mrc p15, 0, \rd, c1, c0 - tst \rd, #1 - addeq \rd, \rx, #(S3C24XX_PA_GPIO - S3C24XX_PA_UART) - addne \rd, \rx, #(S3C24XX_VA_GPIO - S3C24XX_VA_UART) - bic \rd, \rd, #0xff000 - ldr \rd, [ \rd, # S3C2410_GSTATUS1 - S3C2410_GPIOREG(0) ] - and \rd, \rd, #0x00ff0000 - teq \rd, #0x00440000 @ is it 2440? - -10000: - ldr \rd, [ \rx, # S3C2410_UFSTAT ] - andne \rd, \rd, #S3C2410_UFSTAT_TXMASK - andeq \rd, \rd, #S3C2440_UFSTAT_TXMASK - .endm - - .macro fifo_level_s3c2410 rd, rx - ldr \rd, [ \rx, # S3C2410_UFSTAT ] - and \rd, \rd, #S3C2410_UFSTAT_TXMASK - .endm - -/* Select the correct implementation depending on the configuration. The - * S3C2440 will get selected by default, as these are the most widely - * used variants of these -*/ - -#if defined(CONFIG_CPU_LLSERIAL_S3C2410_ONLY) -#define fifo_full fifo_full_s3c2410 -#define fifo_level fifo_level_s3c2410 -#elif !defined(CONFIG_CPU_LLSERIAL_S3C2440_ONLY) -#define fifo_full fifo_full_s3c24xx -#define fifo_level fifo_level_s3c24xx -#endif - -/* include the reset of the code which will do the work */ - -#include <asm/plat-s3c/debug-macro.S> diff --git a/include/asm-arm/arch-s3c2410/dma.h b/include/asm-arm/arch-s3c2410/dma.h deleted file mode 100644 index 86eaa0c2dc1..00000000000 --- a/include/asm-arm/arch-s3c2410/dma.h +++ /dev/null @@ -1,453 +0,0 @@ -/* linux/include/asm-arm/arch-s3c2410/dma.h - * - * Copyright (C) 2003,2004,2006 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * - * Samsung S3C241XX DMA support - * - * 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 __ASM_ARCH_DMA_H -#define __ASM_ARCH_DMA_H __FILE__ - -#include <linux/sysdev.h> -#include <asm/arch/hardware.h> - -/* - * This is the maximum DMA address(physical address) that can be DMAd to. - * - */ -#define MAX_DMA_ADDRESS 0x40000000 -#define MAX_DMA_TRANSFER_SIZE 0x100000 /* Data Unit is half word */ - -/* We use `virtual` dma channels to hide the fact we have only a limited - * number of DMA channels, and not of all of them (dependant on the device) - * can be attached to any DMA source. We therefore let the DMA core handle - * the allocation of hardware channels to clients. -*/ - -enum dma_ch { - DMACH_XD0, - DMACH_XD1, - DMACH_SDI, - DMACH_SPI0, - DMACH_SPI1, - DMACH_UART0, - DMACH_UART1, - DMACH_UART2, - DMACH_TIMER, - DMACH_I2S_IN, - DMACH_I2S_OUT, - DMACH_PCM_IN, - DMACH_PCM_OUT, - DMACH_MIC_IN, - DMACH_USB_EP1, - DMACH_USB_EP2, - DMACH_USB_EP3, - DMACH_USB_EP4, - DMACH_UART0_SRC2, /* s3c2412 second uart sources */ - DMACH_UART1_SRC2, - DMACH_UART2_SRC2, - DMACH_UART3, /* s3c2443 has extra uart */ - DMACH_UART3_SRC2, - DMACH_MAX, /* the end entry */ -}; - -#define DMACH_LOW_LEVEL (1<<28) /* use this to specifiy hardware ch no */ - -/* we have 4 dma channels */ -#ifndef CONFIG_CPU_S3C2443 -#define S3C2410_DMA_CHANNELS (4) -#else -#define S3C2410_DMA_CHANNELS (6) -#endif - -/* types */ - -enum s3c2410_dma_state { - S3C2410_DMA_IDLE, - S3C2410_DMA_RUNNING, - S3C2410_DMA_PAUSED -}; - - -/* enum s3c2410_dma_loadst - * - * This represents the state of the DMA engine, wrt to the loaded / running - * transfers. Since we don't have any way of knowing exactly the state of - * the DMA transfers, we need to know the state to make decisions on wether - * we can - * - * S3C2410_DMA_NONE - * - * There are no buffers loaded (the channel should be inactive) - * - * S3C2410_DMA_1LOADED - * - * There is one buffer loaded, however it has not been confirmed to be - * loaded by the DMA engine. This may be because the channel is not - * yet running, or the DMA driver decided that it was too costly to - * sit and wait for it to happen. - * - * S3C2410_DMA_1RUNNING - * - * The buffer has been confirmed running, and not finisged - * - * S3C2410_DMA_1LOADED_1RUNNING - * - * There is a buffer waiting to be loaded by the DMA engine, and one - * currently running. -*/ - -enum s3c2410_dma_loadst { - S3C2410_DMALOAD_NONE, - S3C2410_DMALOAD_1LOADED, - S3C2410_DMALOAD_1RUNNING, - S3C2410_DMALOAD_1LOADED_1RUNNING, -}; - -enum s3c2410_dma_buffresult { - S3C2410_RES_OK, - S3C2410_RES_ERR, - S3C2410_RES_ABORT -}; - -enum s3c2410_dmasrc { - S3C2410_DMASRC_HW, /* source is memory */ - S3C2410_DMASRC_MEM /* source is hardware */ -}; - -/* enum s3c2410_chan_op - * - * operation codes passed to the DMA code by the user, and also used - * to inform the current channel owner of any changes to the system state -*/ - -enum s3c2410_chan_op { - S3C2410_DMAOP_START, - S3C2410_DMAOP_STOP, - S3C2410_DMAOP_PAUSE, - S3C2410_DMAOP_RESUME, - S3C2410_DMAOP_FLUSH, - S3C2410_DMAOP_TIMEOUT, /* internal signal to handler */ - S3C2410_DMAOP_STARTED, /* indicate channel started */ -}; - -/* flags */ - -#define S3C2410_DMAF_SLOW (1<<0) /* slow, so don't worry about - * waiting for reloads */ -#define S3C2410_DMAF_AUTOSTART (1<<1) /* auto-start if buffer queued */ - -/* dma buffer */ - -struct s3c2410_dma_client { - char *name; -}; - -/* s3c2410_dma_buf_s - * - * internally used buffer structure to describe a queued or running - * buffer. -*/ - -struct s3c2410_dma_buf; -struct s3c2410_dma_buf { |