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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-03-30 07:04:53 +0400
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-03-30 07:04:53 +0400
commit9ff9a26b786c35ee8d2a66222924a807ec851a9f (patch)
treedb432a17bccca1ca2c16907f0ee83ac449ed4012 /arch/arm/plat-s3c/include
parent0a3108beea9143225119d5e7c72a8e2c64f3eb7d (diff)
parent0d34fb8e93ceba7b6dad0062dbb4a0813bacd75b (diff)
downloadlinux-9ff9a26b786c35ee8d2a66222924a807ec851a9f.tar.xz
Merge commit 'origin/master' into next
Manual merge of: arch/powerpc/include/asm/elf.h drivers/i2c/busses/i2c-mpc.c
Diffstat (limited to 'arch/arm/plat-s3c/include')
-rw-r--r--arch/arm/plat-s3c/include/plat/audio.h45
-rw-r--r--arch/arm/plat-s3c/include/plat/pm.h174
-rw-r--r--arch/arm/plat-s3c/include/plat/regs-s3c2412-iis.h75
-rw-r--r--arch/arm/plat-s3c/include/plat/uncompress.h5
-rw-r--r--arch/arm/plat-s3c/include/plat/usb-control.h41
5 files changed, 339 insertions, 1 deletions
diff --git a/arch/arm/plat-s3c/include/plat/audio.h b/arch/arm/plat-s3c/include/plat/audio.h
new file mode 100644
index 000000000000..de0e8da48bc3
--- /dev/null
+++ b/arch/arm/plat-s3c/include/plat/audio.h
@@ -0,0 +1,45 @@
+/* arch/arm/mach-s3c2410/include/mach/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/arch/arm/plat-s3c/include/plat/pm.h b/arch/arm/plat-s3c/include/plat/pm.h
new file mode 100644
index 000000000000..3779775133a9
--- /dev/null
+++ b/arch/arm/plat-s3c/include/plat/pm.h
@@ -0,0 +1,174 @@
+/* linux/include/asm-arm/plat-s3c24xx/pm.h
+ *
+ * Copyright (c) 2004 Simtec Electronics
+ * http://armlinux.simtec.co.uk/
+ * Written by Ben Dooks, <ben@simtec.co.uk>
+ *
+ * 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.
+*/
+
+/* s3c_pm_init
+ *
+ * called from board at initialisation time to setup the power
+ * management
+*/
+
+#ifdef CONFIG_PM
+
+extern __init int s3c_pm_init(void);
+
+#else
+
+static inline int s3c_pm_init(void)
+{
+ return 0;
+}
+#endif
+
+/* configuration for the IRQ mask over sleep */
+extern unsigned long s3c_irqwake_intmask;
+extern unsigned long s3c_irqwake_eintmask;
+
+/* IRQ masks for IRQs allowed to go to sleep (see irq.c) */
+extern unsigned long s3c_irqwake_intallow;
+extern unsigned long s3c_irqwake_eintallow;
+
+/* per-cpu sleep functions */
+
+extern void (*pm_cpu_prep)(void);
+extern void (*pm_cpu_sleep)(void);
+
+/* Flags for PM Control */
+
+extern unsigned long s3c_pm_flags;
+
+/* from sleep.S */
+
+extern int s3c_cpu_save(unsigned long *saveblk);
+extern void s3c_cpu_resume(void);
+
+extern void s3c2410_cpu_suspend(void);
+
+extern unsigned long s3c_sleep_save_phys;
+
+/* sleep save info */
+
+/**
+ * struct sleep_save - save information for shared peripherals.
+ * @reg: Pointer to the register to save.
+ * @val: Holder for the value saved from reg.
+ *
+ * This describes a list of registers which is used by the pm core and
+ * other subsystem to save and restore register values over suspend.
+ */
+struct sleep_save {
+ void __iomem *reg;
+ unsigned long val;
+};
+
+#define SAVE_ITEM(x) \
+ { .reg = (x) }
+
+/**
+ * struct pm_uart_save - save block for core UART
+ * @ulcon: Save value for S3C2410_ULCON
+ * @ucon: Save value for S3C2410_UCON
+ * @ufcon: Save value for S3C2410_UFCON
+ * @umcon: Save value for S3C2410_UMCON
+ * @ubrdiv: Save value for S3C2410_UBRDIV
+ *
+ * Save block for UART registers to be held over sleep and restored if they
+ * are needed (say by debug).
+*/
+struct pm_uart_save {
+ u32 ulcon;
+ u32 ucon;
+ u32 ufcon;
+ u32 umcon;
+ u32 ubrdiv;
+};
+
+/* helper functions to save/restore lists of registers. */
+
+extern void s3c_pm_do_save(struct sleep_save *ptr, int count);
+extern void s3c_pm_do_restore(struct sleep_save *ptr, int count);
+extern void s3c_pm_do_restore_core(struct sleep_save *ptr, int count);
+
+#ifdef CONFIG_PM
+extern int s3c_irqext_wake(unsigned int irqno, unsigned int state);
+extern int s3c24xx_irq_suspend(struct sys_device *dev, pm_message_t state);
+extern int s3c24xx_irq_resume(struct sys_device *dev);
+#else
+#define s3c_irqext_wake NULL
+#define s3c24xx_irq_suspend NULL
+#define s3c24xx_irq_resume NULL
+#endif
+
+/* PM debug functions */
+
+#ifdef CONFIG_S3C2410_PM_DEBUG
+/**
+ * s3c_pm_dbg() - low level debug function for use in suspend/resume.
+ * @msg: The message to print.
+ *
+ * This function is used mainly to debug the resume process before the system
+ * can rely on printk/console output. It uses the low-level debugging output
+ * routine printascii() to do its work.
+ */
+extern void s3c_pm_dbg(const char *msg, ...);
+
+#define S3C_PMDBG(fmt...) s3c_pm_dbg(fmt)
+#else
+#define S3C_PMDBG(fmt...) printk(KERN_DEBUG fmt)
+#endif
+
+/* suspend memory checking */
+
+#ifdef CONFIG_S3C2410_PM_CHECK
+extern void s3c_pm_check_prepare(void);
+extern void s3c_pm_check_restore(void);
+extern void s3c_pm_check_cleanup(void);
+extern void s3c_pm_check_store(void);
+#else
+#define s3c_pm_check_prepare() do { } while(0)
+#define s3c_pm_check_restore() do { } while(0)
+#define s3c_pm_check_cleanup() do { } while(0)
+#define s3c_pm_check_store() do { } while(0)
+#endif
+
+/**
+ * s3c_pm_configure_extint() - ensure pins are correctly set for IRQ
+ *
+ * Setup all the necessary GPIO pins for waking the system on external
+ * interrupt.
+ */
+extern void s3c_pm_configure_extint(void);
+
+/**
+ * s3c_pm_restore_gpios() - restore the state of the gpios after sleep.
+ *
+ * Restore the state of the GPIO pins after sleep, which may involve ensuring
+ * that we do not glitch the state of the pins from that the bootloader's
+ * resume code has done.
+*/
+extern void s3c_pm_restore_gpios(void);
+
+/**
+ * s3c_pm_save_gpios() - save the state of the GPIOs for restoring after sleep.
+ *
+ * Save the GPIO states for resotration on resume. See s3c_pm_restore_gpios().
+ */
+extern void s3c_pm_save_gpios(void);
+
+/**
+ * s3c_pm_cb_flushcache - callback for assembly code
+ *
+ * Callback to issue flush_cache_all() as this call is
+ * not a directly callable object.
+ */
+extern void s3c_pm_cb_flushcache(void);
+
+extern void s3c_pm_save_core(void);
+extern void s3c_pm_restore_core(void);
diff --git a/arch/arm/plat-s3c/include/plat/regs-s3c2412-iis.h b/arch/arm/plat-s3c/include/plat/regs-s3c2412-iis.h
new file mode 100644
index 000000000000..0fad7571030e
--- /dev/null
+++ b/arch/arm/plat-s3c/include/plat/regs-s3c2412-iis.h
@@ -0,0 +1,75 @@
+/* linux/include/asm-arm/plat-s3c24xx/regs-s3c2412-iis.h
+ *
+ * Copyright 2007 Simtec Electronics <linux@simtec.co.uk>
+ * http://armlinux.simtec.co.uk/
+ *
+ * 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.
+ *
+ * S3C2412 IIS register definition
+*/
+
+#ifndef __ASM_ARCH_REGS_S3C2412_IIS_H
+#define __ASM_ARCH_REGS_S3C2412_IIS_H
+
+#define S3C2412_IISCON (0x00)
+#define S3C2412_IISMOD (0x04)
+#define S3C2412_IISFIC (0x08)
+#define S3C2412_IISPSR (0x0C)
+#define S3C2412_IISTXD (0x10)
+#define S3C2412_IISRXD (0x14)
+
+#define S3C2412_IISCON_LRINDEX (1 << 11)
+#define S3C2412_IISCON_TXFIFO_EMPTY (1 << 10)
+#define S3C2412_IISCON_RXFIFO_EMPTY (1 << 9)
+#define S3C2412_IISCON_TXFIFO_FULL (1 << 8)
+#define S3C2412_IISCON_RXFIFO_FULL (1 << 7)
+#define S3C2412_IISCON_TXDMA_PAUSE (1 << 6)
+#define S3C2412_IISCON_RXDMA_PAUSE (1 << 5)
+#define S3C2412_IISCON_TXCH_PAUSE (1 << 4)
+#define S3C2412_IISCON_RXCH_PAUSE (1 << 3)
+#define S3C2412_IISCON_TXDMA_ACTIVE (1 << 2)
+#define S3C2412_IISCON_RXDMA_ACTIVE (1 << 1)
+#define S3C2412_IISCON_IIS_ACTIVE (1 << 0)
+
+#define S3C64XX_IISMOD_IMS_PCLK (0 << 10)
+#define S3C64XX_IISMOD_IMS_SYSMUX (1 << 10)
+
+#define S3C2412_IISMOD_MASTER_INTERNAL (0 << 10)
+#define S3C2412_IISMOD_MASTER_EXTERNAL (1 << 10)
+#define S3C2412_IISMOD_SLAVE (2 << 10)
+#define S3C2412_IISMOD_MASTER_MASK (3 << 10)
+#define S3C2412_IISMOD_MODE_TXONLY (0 << 8)
+#define S3C2412_IISMOD_MODE_RXONLY (1 << 8)
+#define S3C2412_IISMOD_MODE_TXRX (2 << 8)
+#define S3C2412_IISMOD_MODE_MASK (3 << 8)
+#define S3C2412_IISMOD_LR_LLOW (0 << 7)
+#define S3C2412_IISMOD_LR_RLOW (1 << 7)
+#define S3C2412_IISMOD_SDF_IIS (0 << 5)
+#define S3C2412_IISMOD_SDF_MSB (1 << 5)
+#define S3C2412_IISMOD_SDF_LSB (2 << 5)
+#define S3C2412_IISMOD_SDF_MASK (3 << 5)
+#define S3C2412_IISMOD_RCLK_256FS (0 << 3)
+#define S3C2412_IISMOD_RCLK_512FS (1 << 3)
+#define S3C2412_IISMOD_RCLK_384FS (2 << 3)
+#define S3C2412_IISMOD_RCLK_768FS (3 << 3)
+#define S3C2412_IISMOD_RCLK_MASK (3 << 3)
+#define S3C2412_IISMOD_BCLK_32FS (0 << 1)
+#define S3C2412_IISMOD_BCLK_48FS (1 << 1)
+#define S3C2412_IISMOD_BCLK_16FS (2 << 1)
+#define S3C2412_IISMOD_BCLK_24FS (3 << 1)
+#define S3C2412_IISMOD_BCLK_MASK (3 << 1)
+#define S3C2412_IISMOD_8BIT (1 << 0)
+
+#define S3C2412_IISPSR_PSREN (1 << 15)
+
+#define S3C2412_IISFIC_TXFLUSH (1 << 15)
+#define S3C2412_IISFIC_RXFLUSH (1 << 7)
+#define S3C2412_IISFIC_TXCOUNT(x) (((x) >> 8) & 0xf)
+#define S3C2412_IISFIC_RXCOUNT(x) (((x) >> 0) & 0xf)
+
+
+
+#endif /* __ASM_ARCH_REGS_S3C2412_IIS_H */
+
diff --git a/arch/arm/plat-s3c/include/plat/uncompress.h b/arch/arm/plat-s3c/include/plat/uncompress.h
index 6061de87f225..dc66a477f62e 100644
--- a/arch/arm/plat-s3c/include/plat/uncompress.h
+++ b/arch/arm/plat-s3c/include/plat/uncompress.h
@@ -90,7 +90,10 @@ static inline void flush(void)
{
}
-#define __raw_writel(d,ad) do { *((volatile unsigned int *)(ad)) = (d); } while(0)
+#define __raw_writel(d, ad) \
+ do { \
+ *((volatile unsigned int __force *)(ad)) = (d); \
+ } while (0)
/* CONFIG_S3C_BOOT_WATCHDOG
*
diff --git a/arch/arm/plat-s3c/include/plat/usb-control.h b/arch/arm/plat-s3c/include/plat/usb-control.h
new file mode 100644
index 000000000000..822c87fe948e
--- /dev/null
+++ b/arch/arm/plat-s3c/include/plat/usb-control.h
@@ -0,0 +1,41 @@
+/* arch/arm/plat-s3c/include/plat/usb-control.h
+ *
+ * Copyright (c) 2004 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * S3C - USB host port information
+ *
+ * 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_USBCONTROL_H
+#define __ASM_ARCH_USBCONTROL_H
+
+#define S3C_HCDFLG_USED (1)
+
+struct s3c2410_hcd_port {
+ unsigned char flags;
+ unsigned char power;
+ unsigned char oc_status;
+ unsigned char oc_changed;
+};
+
+struct s3c2410_hcd_info {
+ struct usb_hcd *hcd;
+ struct s3c2410_hcd_port port[2];
+
+ void (*power_control)(int port, int to);
+ void (*enable_oc)(struct s3c2410_hcd_info *, int on);
+ void (*report_oc)(struct s3c2410_hcd_info *, int ports);
+};
+
+static void inline s3c2410_usb_report_oc(struct s3c2410_hcd_info *info, int ports)
+{
+ if (info->report_oc != NULL) {
+ (info->report_oc)(info, ports);
+ }
+}
+
+#endif /*__ASM_ARCH_USBCONTROL_H */