diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/plat-pxa')
| -rw-r--r-- | ANDROID_3.4.5/arch/arm/plat-pxa/Kconfig | 8 | ||||
| -rw-r--r-- | ANDROID_3.4.5/arch/arm/plat-pxa/Makefile | 12 | ||||
| -rw-r--r-- | ANDROID_3.4.5/arch/arm/plat-pxa/dma.c | 391 | ||||
| -rw-r--r-- | ANDROID_3.4.5/arch/arm/plat-pxa/include/plat/dma.h | 85 | ||||
| -rw-r--r-- | ANDROID_3.4.5/arch/arm/plat-pxa/include/plat/mfp.h | 475 | ||||
| -rw-r--r-- | ANDROID_3.4.5/arch/arm/plat-pxa/include/plat/pxa27x_keypad.h | 69 | ||||
| -rw-r--r-- | ANDROID_3.4.5/arch/arm/plat-pxa/include/plat/pxa3xx_nand.h | 79 | ||||
| -rw-r--r-- | ANDROID_3.4.5/arch/arm/plat-pxa/mfp.c | 285 | ||||
| -rw-r--r-- | ANDROID_3.4.5/arch/arm/plat-pxa/pwm.c | 304 | ||||
| -rw-r--r-- | ANDROID_3.4.5/arch/arm/plat-pxa/ssp.c | 224 |
10 files changed, 0 insertions, 1932 deletions
diff --git a/ANDROID_3.4.5/arch/arm/plat-pxa/Kconfig b/ANDROID_3.4.5/arch/arm/plat-pxa/Kconfig deleted file mode 100644 index da53395a..00000000 --- a/ANDROID_3.4.5/arch/arm/plat-pxa/Kconfig +++ /dev/null @@ -1,8 +0,0 @@ -if PLAT_PXA - -config PXA_SSP - tristate - help - Enable support for PXA2xx SSP ports - -endif diff --git a/ANDROID_3.4.5/arch/arm/plat-pxa/Makefile b/ANDROID_3.4.5/arch/arm/plat-pxa/Makefile deleted file mode 100644 index f302d048..00000000 --- a/ANDROID_3.4.5/arch/arm/plat-pxa/Makefile +++ /dev/null @@ -1,12 +0,0 @@ -# -# Makefile for code common across different PXA processor families -# - -obj-y := dma.o - -obj-$(CONFIG_PXA3xx) += mfp.o -obj-$(CONFIG_PXA95x) += mfp.o -obj-$(CONFIG_ARCH_MMP) += mfp.o - -obj-$(CONFIG_HAVE_PWM) += pwm.o -obj-$(CONFIG_PXA_SSP) += ssp.o diff --git a/ANDROID_3.4.5/arch/arm/plat-pxa/dma.c b/ANDROID_3.4.5/arch/arm/plat-pxa/dma.c deleted file mode 100644 index 79ef102e..00000000 --- a/ANDROID_3.4.5/arch/arm/plat-pxa/dma.c +++ /dev/null @@ -1,391 +0,0 @@ -/* - * linux/arch/arm/plat-pxa/dma.c - * - * PXA DMA registration and IRQ dispatching - * - * Author: Nicolas Pitre - * Created: Nov 15, 2001 - * Copyright: MontaVista Software Inc. - * - * 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 <linux/module.h> -#include <linux/init.h> -#include <linux/slab.h> -#include <linux/kernel.h> -#include <linux/interrupt.h> -#include <linux/errno.h> -#include <linux/dma-mapping.h> - -#include <asm/irq.h> -#include <asm/memory.h> -#include <mach/hardware.h> -#include <mach/dma.h> - -#define DMA_DEBUG_NAME "pxa_dma" -#define DMA_MAX_REQUESTERS 64 - -struct dma_channel { - char *name; - pxa_dma_prio prio; - void (*irq_handler)(int, void *); - void *data; - spinlock_t lock; -}; - -static struct dma_channel *dma_channels; -static int num_dma_channels; - -/* - * Debug fs - */ -#ifdef CONFIG_DEBUG_FS -#include <linux/debugfs.h> -#include <linux/uaccess.h> -#include <linux/seq_file.h> - -static struct dentry *dbgfs_root, *dbgfs_state, **dbgfs_chan; - -static int dbg_show_requester_chan(struct seq_file *s, void *p) -{ - int pos = 0; - int chan = (int)s->private; - int i; - u32 drcmr; - - pos += seq_printf(s, "DMA channel %d requesters list :\n", chan); - for (i = 0; i < DMA_MAX_REQUESTERS; i++) { - drcmr = DRCMR(i); - if ((drcmr & DRCMR_CHLNUM) == chan) - pos += seq_printf(s, "\tRequester %d (MAPVLD=%d)\n", i, - !!(drcmr & DRCMR_MAPVLD)); - } - return pos; -} - -static inline int dbg_burst_from_dcmd(u32 dcmd) -{ - int burst = (dcmd >> 16) & 0x3; - - return burst ? 4 << burst : 0; -} - -static int is_phys_valid(unsigned long addr) -{ - return pfn_valid(__phys_to_pfn(addr)); -} - -#define DCSR_STR(flag) (dcsr & DCSR_##flag ? #flag" " : "") -#define DCMD_STR(flag) (dcmd & DCMD_##flag ? #flag" " : "") - -static int dbg_show_descriptors(struct seq_file *s, void *p) -{ - int pos = 0; - int chan = (int)s->private; - int i, max_show = 20, burst, width; - u32 dcmd; - unsigned long phys_desc; - struct pxa_dma_desc *desc; - unsigned long flags; - - spin_lock_irqsave(&dma_channels[chan].lock, flags); - phys_desc = DDADR(chan); - - pos += seq_printf(s, "DMA channel %d descriptors :\n", chan); - pos += seq_printf(s, "[%03d] First descriptor unknown\n", 0); - for (i = 1; i < max_show && is_phys_valid(phys_desc); i++) { - desc = phys_to_virt(phys_desc); - dcmd = desc->dcmd; - burst = dbg_burst_from_dcmd(dcmd); - width = (1 << ((dcmd >> 14) & 0x3)) >> 1; - - pos += seq_printf(s, "[%03d] Desc at %08lx(virt %p)\n", - i, phys_desc, desc); - pos += seq_printf(s, "\tDDADR = %08x\n", desc->ddadr); - pos += seq_printf(s, "\tDSADR = %08x\n", desc->dsadr); - pos += seq_printf(s, "\tDTADR = %08x\n", desc->dtadr); - pos += seq_printf(s, "\tDCMD = %08x (%s%s%s%s%s%s%sburst=%d" - " width=%d len=%d)\n", - dcmd, - DCMD_STR(INCSRCADDR), DCMD_STR(INCTRGADDR), - DCMD_STR(FLOWSRC), DCMD_STR(FLOWTRG), - DCMD_STR(STARTIRQEN), DCMD_STR(ENDIRQEN), - DCMD_STR(ENDIAN), burst, width, - dcmd & DCMD_LENGTH); - phys_desc = desc->ddadr; - } - if (i == max_show) - pos += seq_printf(s, "[%03d] Desc at %08lx ... max display reached\n", - i, phys_desc); - else - pos += seq_printf(s, "[%03d] Desc at %08lx is %s\n", - i, phys_desc, phys_desc == DDADR_STOP ? - "DDADR_STOP" : "invalid"); - - spin_unlock_irqrestore(&dma_channels[chan].lock, flags); - return pos; -} - -static int dbg_show_chan_state(struct seq_file *s, void *p) -{ - int pos = 0; - int chan = (int)s->private; - u32 dcsr, dcmd; - int burst, width; - static char *str_prio[] = { "high", "normal", "low" }; - - dcsr = DCSR(chan); - dcmd = DCMD(chan); - burst = dbg_burst_from_dcmd(dcmd); - width = (1 << ((dcmd >> 14) & 0x3)) >> 1; - - pos += seq_printf(s, "DMA channel %d\n", chan); - pos += seq_printf(s, "\tPriority : %s\n", - str_prio[dma_channels[chan].prio]); - pos += seq_printf(s, "\tUnaligned transfer bit: %s\n", - DALGN & (1 << chan) ? "yes" : "no"); - pos += seq_printf(s, "\tDCSR = %08x (%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s)\n", - dcsr, DCSR_STR(RUN), DCSR_STR(NODESC), - DCSR_STR(STOPIRQEN), DCSR_STR(EORIRQEN), - DCSR_STR(EORJMPEN), DCSR_STR(EORSTOPEN), - DCSR_STR(SETCMPST), DCSR_STR(CLRCMPST), - DCSR_STR(CMPST), DCSR_STR(EORINTR), DCSR_STR(REQPEND), - DCSR_STR(STOPSTATE), DCSR_STR(ENDINTR), - DCSR_STR(STARTINTR), DCSR_STR(BUSERR)); - - pos += seq_printf(s, "\tDCMD = %08x (%s%s%s%s%s%s%sburst=%d width=%d" - " len=%d)\n", - dcmd, - DCMD_STR(INCSRCADDR), DCMD_STR(INCTRGADDR), - DCMD_STR(FLOWSRC), DCMD_STR(FLOWTRG), - DCMD_STR(STARTIRQEN), DCMD_STR(ENDIRQEN), - DCMD_STR(ENDIAN), burst, width, dcmd & DCMD_LENGTH); - pos += seq_printf(s, "\tDSADR = %08x\n", DSADR(chan)); - pos += seq_printf(s, "\tDTADR = %08x\n", DTADR(chan)); - pos += seq_printf(s, "\tDDADR = %08x\n", DDADR(chan)); - return pos; -} - -static int dbg_show_state(struct seq_file *s, void *p) -{ - int pos = 0; - - /* basic device status */ - pos += seq_printf(s, "DMA engine status\n"); - pos += seq_printf(s, "\tChannel number: %d\n", num_dma_channels); - - return pos; -} - -#define DBGFS_FUNC_DECL(name) \ -static int dbg_open_##name(struct inode *inode, struct file *file) \ -{ \ - return single_open(file, dbg_show_##name, inode->i_private); \ -} \ -static const struct file_operations dbg_fops_##name = { \ - .owner = THIS_MODULE, \ - .open = dbg_open_##name, \ - .llseek = seq_lseek, \ - .read = seq_read, \ - .release = single_release, \ -} - -DBGFS_FUNC_DECL(state); -DBGFS_FUNC_DECL(chan_state); -DBGFS_FUNC_DECL(descriptors); -DBGFS_FUNC_DECL(requester_chan); - -static struct dentry *pxa_dma_dbg_alloc_chan(int ch, struct dentry *chandir) -{ - char chan_name[11]; - struct dentry *chan, *chan_state = NULL, *chan_descr = NULL; - struct dentry *chan_reqs = NULL; - void *dt; - - scnprintf(chan_name, sizeof(chan_name), "%d", ch); - chan = debugfs_create_dir(chan_name, chandir); - dt = (void *)ch; - - if (chan) - chan_state = debugfs_create_file("state", 0400, chan, dt, - &dbg_fops_chan_state); - if (chan_state) - chan_descr = debugfs_create_file("descriptors", 0400, chan, dt, - &dbg_fops_descriptors); - if (chan_descr) - chan_reqs = debugfs_create_file("requesters", 0400, chan, dt, - &dbg_fops_requester_chan); - if (!chan_reqs) - goto err_state; - - return chan; - -err_state: - debugfs_remove_recursive(chan); - return NULL; -} - -static void pxa_dma_init_debugfs(void) -{ - int i; - struct dentry *chandir; - - dbgfs_root = debugfs_create_dir(DMA_DEBUG_NAME, NULL); - if (IS_ERR(dbgfs_root) || !dbgfs_root) - goto err_root; - - dbgfs_state = debugfs_create_file("state", 0400, dbgfs_root, NULL, - &dbg_fops_state); - if (!dbgfs_state) - goto err_state; - - dbgfs_chan = kmalloc(sizeof(*dbgfs_state) * num_dma_channels, - GFP_KERNEL); - if (!dbgfs_chan) - goto err_alloc; - - chandir = debugfs_create_dir("channels", dbgfs_root); - if (!chandir) - goto err_chandir; - - for (i = 0; i < num_dma_channels; i++) { - dbgfs_chan[i] = pxa_dma_dbg_alloc_chan(i, chandir); - if (!dbgfs_chan[i]) - goto err_chans; - } - - return; -err_chans: -err_chandir: - kfree(dbgfs_chan); -err_alloc: -err_state: - debugfs_remove_recursive(dbgfs_root); -err_root: - pr_err("pxa_dma: debugfs is not available\n"); -} - -static void __exit pxa_dma_cleanup_debugfs(void) -{ - debugfs_remove_recursive(dbgfs_root); -} -#else -static inline void pxa_dma_init_debugfs(void) {} -static inline void pxa_dma_cleanup_debugfs(void) {} -#endif - -int pxa_request_dma (char *name, pxa_dma_prio prio, - void (*irq_handler)(int, void *), - void *data) -{ - unsigned long flags; - int i, found = 0; - - /* basic sanity checks */ - if (!name || !irq_handler) - return -EINVAL; - - local_irq_save(flags); - - do { - /* try grabbing a DMA channel with the requested priority */ - for (i = 0; i < num_dma_channels; i++) { - if ((dma_channels[i].prio == prio) && - !dma_channels[i].name) { - found = 1; - break; - } - } - /* if requested prio group is full, try a hier priority */ - } while (!found && prio--); - - if (found) { - DCSR(i) = DCSR_STARTINTR|DCSR_ENDINTR|DCSR_BUSERR; - dma_channels[i].name = name; - dma_channels[i].irq_handler = irq_handler; - dma_channels[i].data = data; - } else { - printk (KERN_WARNING "No more available DMA channels for %s\n", name); - i = -ENODEV; - } - - local_irq_restore(flags); - return i; -} -EXPORT_SYMBOL(pxa_request_dma); - -void pxa_free_dma (int dma_ch) -{ - unsigned long flags; - - if (!dma_channels[dma_ch].name) { - printk (KERN_CRIT - "%s: trying to free channel %d which is already freed\n", - __func__, dma_ch); - return; - } - - local_irq_save(flags); - DCSR(dma_ch) = DCSR_STARTINTR|DCSR_ENDINTR|DCSR_BUSERR; - dma_channels[dma_ch].name = NULL; - local_irq_restore(flags); -} -EXPORT_SYMBOL(pxa_free_dma); - -static irqreturn_t dma_irq_handler(int irq, void *dev_id) -{ - int i, dint = DINT; - struct dma_channel *channel; - - while (dint) { - i = __ffs(dint); - dint &= (dint - 1); - channel = &dma_channels[i]; - if (channel->name && channel->irq_handler) { - channel->irq_handler(i, channel->data); - } else { - /* - * IRQ for an unregistered DMA channel: - * let's clear the interrupts and disable it. - */ - printk (KERN_WARNING "spurious IRQ for DMA channel %d\n", i); - DCSR(i) = DCSR_STARTINTR|DCSR_ENDINTR|DCSR_BUSERR; - } - } - return IRQ_HANDLED; -} - -int __init pxa_init_dma(int irq, int num_ch) -{ - int i, ret; - - dma_channels = kzalloc(sizeof(struct dma_channel) * num_ch, GFP_KERNEL); - if (dma_channels == NULL) - return -ENOMEM; - - /* dma channel priorities on pxa2xx processors: - * ch 0 - 3, 16 - 19 <--> (0) DMA_PRIO_HIGH - * ch 4 - 7, 20 - 23 <--> (1) DMA_PRIO_MEDIUM - * ch 8 - 15, 24 - 31 <--> (2) DMA_PRIO_LOW - */ - for (i = 0; i < num_ch; i++) { - DCSR(i) = 0; - dma_channels[i].prio = min((i & 0xf) >> 2, DMA_PRIO_LOW); - spin_lock_init(&dma_channels[i].lock); - } - - ret = request_irq(irq, dma_irq_handler, IRQF_DISABLED, "DMA", NULL); - if (ret) { - printk (KERN_CRIT "Wow! Can't register IRQ for DMA\n"); - kfree(dma_channels); - return ret; - } - num_dma_channels = num_ch; - - pxa_dma_init_debugfs(); - - return 0; -} diff --git a/ANDROID_3.4.5/arch/arm/plat-pxa/include/plat/dma.h b/ANDROID_3.4.5/arch/arm/plat-pxa/include/plat/dma.h deleted file mode 100644 index a7b91dc0..00000000 --- a/ANDROID_3.4.5/arch/arm/plat-pxa/include/plat/dma.h +++ /dev/null @@ -1,85 +0,0 @@ -#ifndef __PLAT_DMA_H -#define __PLAT_DMA_H - -#define DMAC_REG(x) (*((volatile u32 *)(DMAC_REGS_VIRT + (x)))) - -#define DCSR(n) DMAC_REG((n) << 2) -#define DALGN DMAC_REG(0x00a0) /* DMA Alignment Register */ -#define DINT DMAC_REG(0x00f0) /* DMA Interrupt Register */ -#define DDADR(n) DMAC_REG(0x0200 + ((n) << 4)) -#define DSADR(n) DMAC_REG(0x0204 + ((n) << 4)) -#define DTADR(n) DMAC_REG(0x0208 + ((n) << 4)) -#define DCMD(n) DMAC_REG(0x020c + ((n) << 4)) -#define DRCMR(n) DMAC_REG((((n) < 64) ? 0x0100 : 0x1100) + \ - (((n) & 0x3f) << 2)) - -#define DCSR_RUN (1 << 31) /* Run Bit (read / write) */ -#define DCSR_NODESC (1 << 30) /* No-Descriptor Fetch (read / write) */ -#define DCSR_STOPIRQEN (1 << 29) /* Stop Interrupt Enable (read / write) */ -#define DCSR_REQPEND (1 << 8) /* Request Pending (read-only) */ -#define DCSR_STOPSTATE (1 << 3) /* Stop State (read-only) */ -#define DCSR_ENDINTR (1 << 2) /* End Interrupt (read / write) */ -#define DCSR_STARTINTR (1 << 1) /* Start Interrupt (read / write) */ -#define DCSR_BUSERR (1 << 0) /* Bus Error Interrupt (read / write) */ - -#define DCSR_EORIRQEN (1 << 28) /* End of Receive Interrupt Enable (R/W) */ -#define DCSR_EORJMPEN (1 << 27) /* Jump to next descriptor on EOR */ -#define DCSR_EORSTOPEN (1 << 26) /* STOP on an EOR */ -#define DCSR_SETCMPST (1 << 25) /* Set Descriptor Compare Status */ -#define DCSR_CLRCMPST (1 << 24) /* Clear Descriptor Compare Status */ -#define DCSR_CMPST (1 << 10) /* The Descriptor Compare Status */ -#define DCSR_EORINTR (1 << 9) /* The end of Receive */ - -#define DRCMR_MAPVLD (1 << 7) /* Map Valid (read / write) */ -#define DRCMR_CHLNUM 0x1f /* mask for Channel Number (read / write) */ - -#define DDADR_DESCADDR 0xfffffff0 /* Address of next descriptor (mask) */ -#define DDADR_STOP (1 << 0) /* Stop (read / write) */ - -#define DCMD_INCSRCADDR (1 << 31) /* Source Address Increment Setting. */ -#define DCMD_INCTRGADDR (1 << 30) /* Target Address Increment Setting. */ -#define DCMD_FLOWSRC (1 << 29) /* Flow Control by the source. */ -#define DCMD_FLOWTRG (1 << 28) /* Flow Control by the target. */ -#define DCMD_STARTIRQEN (1 << 22) /* Start Interrupt Enable */ -#define DCMD_ENDIRQEN (1 << 21) /* End Interrupt Enable */ -#define DCMD_ENDIAN (1 << 18) /* Device Endian-ness. */ -#define DCMD_BURST8 (1 << 16) /* 8 byte burst */ -#define DCMD_BURST16 (2 << 16) /* 16 byte burst */ -#define DCMD_BURST32 (3 << 16) /* 32 byte burst */ -#define DCMD_WIDTH1 (1 << 14) /* 1 byte width */ -#define DCMD_WIDTH2 (2 << 14) /* 2 byte width (HalfWord) */ -#define DCMD_WIDTH4 (3 << 14) /* 4 byte width (Word) */ -#define DCMD_LENGTH 0x01fff /* length mask (max = 8K - 1) */ - -/* - * Descriptor structure for PXA's DMA engine - * Note: this structure must always be aligned to a 16-byte boundary. - */ - -typedef struct pxa_dma_desc { - volatile u32 ddadr; /* Points to the next descriptor + flags */ - volatile u32 dsadr; /* DSADR value for the current transfer */ - volatile u32 dtadr; /* DTADR value for the current transfer */ - volatile u32 dcmd; /* DCMD value for the current transfer */ -} pxa_dma_desc; - -typedef enum { - DMA_PRIO_HIGH = 0, - DMA_PRIO_MEDIUM = 1, - DMA_PRIO_LOW = 2 -} pxa_dma_prio; - -/* - * DMA registration - */ - -int __init pxa_init_dma(int irq, int num_ch); - -int pxa_request_dma (char *name, - pxa_dma_prio prio, - void (*irq_handler)(int, void *), - void *data); - -void pxa_free_dma (int dma_ch); - -#endif /* __PLAT_DMA_H */ diff --git a/ANDROID_3.4.5/arch/arm/plat-pxa/include/plat/mfp.h b/ANDROID_3.4.5/arch/arm/plat-pxa/include/plat/mfp.h deleted file mode 100644 index 5c79c29f..00000000 --- a/ANDROID_3.4.5/arch/arm/plat-pxa/include/plat/mfp.h +++ /dev/null @@ -1,475 +0,0 @@ -/* - * arch/arm/plat-pxa/include/plat/mfp.h - * - * Common Multi-Function Pin Definitions - * - * Copyright (C) 2007 Marvell International Ltd. - * - * 2007-8-21: eric miao <eric.miao@marvell.com> - * initial version - * - * 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_PLAT_MFP_H -#define __ASM_PLAT_MFP_H - -#define mfp_to_gpio(m) ((m) % 256) - -/* list of all the configurable MFP pins */ -enum { - MFP_PIN_INVALID = -1, - - MFP_PIN_GPIO0 = 0, - MFP_PIN_GPIO1, - MFP_PIN_GPIO2, - MFP_PIN_GPIO3, - MFP_PIN_GPIO4, - MFP_PIN_GPIO5, - MFP_PIN_GPIO6, - MFP_PIN_GPIO7, - MFP_PIN_GPIO8, - MFP_PIN_GPIO9, - MFP_PIN_GPIO10, - MFP_PIN_GPIO11, - MFP_PIN_GPIO12, - MFP_PIN_GPIO13, - MFP_PIN_GPIO14, - MFP_PIN_GPIO15, - MFP_PIN_GPIO16, - MFP_PIN_GPIO17, - MFP_PIN_GPIO18, - MFP_PIN_GPIO19, - MFP_PIN_GPIO20, - MFP_PIN_GPIO21, - MFP_PIN_GPIO22, - MFP_PIN_GPIO23, - MFP_PIN_GPIO24, - MFP_PIN_GPIO25, - MFP_PIN_GPIO26, - MFP_PIN_GPIO27, - MFP_PIN_GPIO28, - MFP_PIN_GPIO29, - MFP_PIN_GPIO30, - MFP_PIN_GPIO31, - MFP_PIN_GPIO32, - MFP_PIN_GPIO33, - MFP_PIN_GPIO34, - MFP_PIN_GPIO35, - MFP_PIN_GPIO36, - MFP_PIN_GPIO37, - MFP_PIN_GPIO38, - MFP_PIN_GPIO39, - MFP_PIN_GPIO40, - MFP_PIN_GPIO41, - MFP_PIN_GPIO42, - MFP_PIN_GPIO43, - MFP_PIN_GPIO44, - MFP_PIN_GPIO45, - MFP_PIN_GPIO46, - MFP_PIN_GPIO47, - MFP_PIN_GPIO48, - MFP_PIN_GPIO49, - MFP_PIN_GPIO50, - MFP_PIN_GPIO51, - MFP_PIN_GPIO52, - MFP_PIN_GPIO53, - MFP_PIN_GPIO54, - MFP_PIN_GPIO55, - MFP_PIN_GPIO56, - MFP_PIN_GPIO57, - MFP_PIN_GPIO58, - MFP_PIN_GPIO59, - MFP_PIN_GPIO60, - MFP_PIN_GPIO61, - MFP_PIN_GPIO62, - MFP_PIN_GPIO63, - MFP_PIN_GPIO64, - MFP_PIN_GPIO65, - MFP_PIN_GPIO66, - MFP_PIN_GPIO67, - MFP_PIN_GPIO68, - MFP_PIN_GPIO69, - MFP_PIN_GPIO70, - MFP_PIN_GPIO71, - MFP_PIN_GPIO72, - MFP_PIN_GPIO73, - MFP_PIN_GPIO74, - MFP_PIN_GPIO75, - MFP_PIN_GPIO76, - MFP_PIN_GPIO77, - MFP_PIN_GPIO78, - MFP_PIN_GPIO79, - MFP_PIN_GPIO80, - MFP_PIN_GPIO81, - MFP_PIN_GPIO82, - MFP_PIN_GPIO83, - MFP_PIN_GPIO84, - MFP_PIN_GPIO85, - MFP_PIN_GPIO86, - MFP_PIN_GPIO87, - MFP_PIN_GPIO88, - MFP_PIN_GPIO89, - MFP_PIN_GPIO90, - MFP_PIN_GPIO91, - MFP_PIN_GPIO92, - MFP_PIN_GPIO93, - MFP_PIN_GPIO94, - MFP_PIN_GPIO95, - MFP_PIN_GPIO96, - MFP_PIN_GPIO97, - MFP_PIN_GPIO98, - MFP_PIN_GPIO99, - MFP_PIN_GPIO100, - MFP_PIN_GPIO101, - MFP_PIN_GPIO102, - MFP_PIN_GPIO103, - MFP_PIN_GPIO104, - MFP_PIN_GPIO105, - MFP_PIN_GPIO106, - MFP_PIN_GPIO107, - MFP_PIN_GPIO108, - MFP_PIN_GPIO109, - MFP_PIN_GPIO110, - MFP_PIN_GPIO111, - MFP_PIN_GPIO112, - MFP_PIN_GPIO113, - MFP_PIN_GPIO114, - MFP_PIN_GPIO115, - MFP_PIN_GPIO116, - MFP_PIN_GPIO117, - MFP_PIN_GPIO118, - MFP_PIN_GPIO119, - MFP_PIN_GPIO120, - MFP_PIN_GPIO121, - MFP_PIN_GPIO122, - MFP_PIN_GPIO123, - MFP_PIN_GPIO124, - MFP_PIN_GPIO125, - MFP_PIN_GPIO126, - MFP_PIN_GPIO127, - - MFP_PIN_GPIO128, - MFP_PIN_GPIO129, - MFP_PIN_GPIO130, - MFP_PIN_GPIO131, - MFP_PIN_GPIO132, - MFP_PIN_GPIO133, - MFP_PIN_GPIO134, - MFP_PIN_GPIO135, - MFP_PIN_GPIO136, - MFP_PIN_GPIO137, - MFP_PIN_GPIO138, - MFP_PIN_GPIO139, - MFP_PIN_GPIO140, - MFP_PIN_GPIO141, - MFP_PIN_GPIO142, - MFP_PIN_GPIO143, - MFP_PIN_GPIO144, - MFP_PIN_GPIO145, - MFP_PIN_GPIO146, - MFP_PIN_GPIO147, - MFP_PIN_GPIO148, - MFP_PIN_GPIO149, - MFP_PIN_GPIO150, - MFP_PIN_GPIO151, - MFP_PIN_GPIO152, - MFP_PIN_GPIO153, - MFP_PIN_GPIO154, - MFP_PIN_GPIO155, - MFP_PIN_GPIO156, - MFP_PIN_GPIO157, - MFP_PIN_GPIO158, - MFP_PIN_GPIO159, - MFP_PIN_GPIO160, - MFP_PIN_GPIO161, - MFP_PIN_GPIO162, - MFP_PIN_GPIO163, - MFP_PIN_GPIO164, - MFP_PIN_GPIO165, - MFP_PIN_GPIO166, - MFP_PIN_GPIO167, - MFP_PIN_GPIO168, - MFP_PIN_GPIO169, - MFP_PIN_GPIO170, - MFP_PIN_GPIO171, - MFP_PIN_GPIO172, - MFP_PIN_GPIO173, - MFP_PIN_GPIO174, - MFP_PIN_GPIO175, - MFP_PIN_GPIO176, - MFP_PIN_GPIO177, - MFP_PIN_GPIO178, - MFP_PIN_GPIO179, - MFP_PIN_GPIO180, - MFP_PIN_GPIO181, - MFP_PIN_GPIO182, - MFP_PIN_GPIO183, - MFP_PIN_GPIO184, - MFP_PIN_GPIO185, - MFP_PIN_GPIO186, - MFP_PIN_GPIO187, - MFP_PIN_GPIO188, - MFP_PIN_GPIO189, - MFP_PIN_GPIO190, - MFP_PIN_GPIO191, - - MFP_PIN_GPIO255 = 255, - - MFP_PIN_GPIO0_2, - MFP_PIN_GPIO1_2, - MFP_PIN_GPIO2_2, - MFP_PIN_GPIO3_2, - MFP_PIN_GPIO4_2, - MFP_PIN_GPIO5_2, - MFP_PIN_GPIO6_2, - MFP_PIN_GPIO7_2, - MFP_PIN_GPIO8_2, - MFP_PIN_GPIO9_2, - MFP_PIN_GPIO10_2, - MFP_PIN_GPIO11_2, - MFP_PIN_GPIO12_2, - MFP_PIN_GPIO13_2, - MFP_PIN_GPIO14_2, - MFP_PIN_GPIO15_2, - MFP_PIN_GPIO16_2, - MFP_PIN_GPIO17_2, - - MFP_PIN_ULPI_STP, - MFP_PIN_ULPI_NXT, - MFP_PIN_ULPI_DIR, - - MFP_PIN_nXCVREN, - MFP_PIN_DF_CLE_nOE, - MFP_PIN_DF_nADV1_ALE, - MFP_PIN_DF_SCLK_E, - MFP_PIN_DF_SCLK_S, - MFP_PIN_nBE0, - MFP_PIN_nBE1, - MFP_PIN_DF_nADV2_ALE, - MFP_PIN_DF_INT_RnB, - MFP_PIN_DF_nCS0, - MFP_PIN_DF_nCS1, - MFP_PIN_nLUA, - MFP_PIN_nLLA, - MFP_PIN_DF_nWE, - MFP_PIN_DF_ALE_nWE, - MFP_PIN_DF_nRE_nOE, - MFP_PIN_DF_ADDR0, - MFP_PIN_DF_ADDR1, - MFP_PIN_DF_ADDR2, - MFP_PIN_DF_ADDR3, - MFP_PIN_DF_IO0, - MFP_PIN_DF_IO1, - MFP_PIN_DF_IO2, - MFP_PIN_DF_IO3, - MFP_PIN_DF_IO4, - MFP_PIN_DF_IO5, - MFP_PIN_DF_IO6, - MFP_PIN_DF_IO7, - MFP_PIN_DF_IO8, - MFP_PIN_DF_IO9, - MFP_PIN_DF_IO10, - MFP_PIN_DF_IO11, - MFP_PIN_DF_IO12, - MFP_PIN_DF_IO13, - MFP_PIN_DF_IO14, - MFP_PIN_DF_IO15, - MFP_PIN_DF_nCS0_SM_nCS2, - MFP_PIN_DF_nCS1_SM_nCS3, - MFP_PIN_SM_nCS0, - MFP_PIN_SM_nCS1, - MFP_PIN_DF_WEn, - MFP_PIN_DF_REn, - MFP_PIN_DF_CLE_SM_OEn, - MFP_PIN_DF_ALE_SM_WEn, - MFP_PIN_DF_RDY0, - MFP_PIN_DF_RDY1, - - MFP_PIN_SM_SCLK, - MFP_PIN_SM_BE0, - MFP_PIN_SM_BE1, - MFP_PIN_SM_ADV, - MFP_PIN_SM_ADVMUX, - MFP_PIN_SM_RDY, - - MFP_PIN_MMC1_DAT7, - MFP_PIN_MMC1_DAT6, - MFP_PIN_MMC1_DAT5, - MFP_PIN_MMC1_DAT4, - MFP_PIN_MMC1_DAT3, - MFP_PIN_MMC1_DAT2, - MFP_PIN_MMC1_DAT1, - MFP_PIN_MMC1_DAT0, - MFP_PIN_MMC1_CMD, - MFP_PIN_MMC1_CLK, - MFP_PIN_MMC1_CD, - MFP_PIN_MMC1_WP, - - /* additional pins on PXA930 */ - MFP_PIN_GSIM_UIO, - MFP_PIN_GSIM_UCLK, - MFP_PIN_GSIM_UDET, - MFP_PIN_GSIM_nURST, - MFP_PIN_PMIC_INT, - MFP_PIN_RDY, - - /* additional pins on MMP2 */ - MFP_PIN_TWSI1_SCL, - MFP_PIN_TWSI1_SDA, - MFP_PIN_TWSI4_SCL, - MFP_PIN_TWSI4_SDA, - MFP_PIN_CLK_REQ, - - MFP_PIN_MAX, -}; - -/* - * a possible MFP configuration is represented by a 32-bit integer - * - * bit 0.. 9 - MFP Pin Number (1024 Pins Maximum) - * bit 10..12 - Alternate Function Selection - * bit 13..15 - Drive Strength - * bit 16..18 - Low Power Mode State - * bit 19..20 - Low Power Mode Edge Detection - * bit 21..22 - Run Mode Pull State - * - * to facilitate the definition, the following macros are provided - * - * MFP_CFG_DEFAULT - default MFP configuration value, with - * alternate function = 0, - * drive strength = fast 3mA (MFP_DS03X) - * low power mode = default - * edge detection = none - * - * MFP_CFG - default MFPR value with alternate function - * MFP_CFG_DRV - default MFPR value with alternate function and - * pin drive strength - * MFP_CFG_LPM - default MFPR value with alternate function and - * low power mode - * MFP_CFG_X - default MFPR value with alternate function, - * pin drive strength and low power mode - */ - -typedef unsigned long mfp_cfg_t; - -#define MFP_PIN(x) ((x) & 0x3ff) - -#define MFP_AF0 (0x0 << 10) -#define MFP_AF1 (0x1 << 10) -#define MFP_AF2 (0x2 << 10) -#define MFP_AF3 (0x3 << 10) -#define MFP_AF4 (0x4 << 10) -#define MFP_AF5 (0x5 << 10) -#define MFP_AF6 (0x6 << 10) -#define MFP_AF7 (0x7 << 10) -#define MFP_AF_MASK (0x7 << 10) -#define MFP_AF(x) (((x) >> 10) & 0x7) - -#define MFP_DS01X (0x0 << 13) -#define MFP_DS02X (0x1 << 13) -#define MFP_DS03X (0x2 << 13) -#define MFP_DS04X (0x3 << 13) -#define MFP_DS06X (0x4 << 13) -#define MFP_DS08X (0x5 << 13) -#define MFP_DS10X (0x6 << 13) -#define MFP_DS13X (0x7 << 13) -#define MFP_DS_MASK (0x7 << 13) -#define MFP_DS(x) (((x) >> 13) & 0x7) - -#define MFP_LPM_DEFAULT (0x0 << 16) -#define MFP_LPM_DRIVE_LOW (0x1 << 16) -#define MFP_LPM_DRIVE_HIGH (0x2 << 16) -#define MFP_LPM_PULL_LOW (0x3 << 16) -#define MFP_LPM_PULL_HIGH (0x4 << 16) -#define MFP_LPM_FLOAT (0x5 << 16) -#define MFP_LPM_INPUT (0x6 << 16) -#define MFP_LPM_STATE_MASK (0x7 << 16) -#define MFP_LPM_STATE(x) (((x) >> 16) & 0x7) - -#define MFP_LPM_EDGE_NONE (0x0 << 19) -#define MFP_LPM_EDGE_RISE (0x1 << 19) -#define MFP_LPM_EDGE_FALL (0x2 << 19) -#define MFP_LPM_EDGE_BOTH (0x3 << 19) -#define MFP_LPM_EDGE_MASK (0x3 << 19) -#define MFP_LPM_EDGE(x) (((x) >> 19) & 0x3) - -#define MFP_PULL_NONE (0x0 << 21) -#define MFP_PULL_LOW (0x1 << 21) -#define MFP_PULL_HIGH (0x2 << 21) -#define MFP_PULL_BOTH (0x3 << 21) -#define MFP_PULL_FLOAT (0x4 << 21) -#define MFP_PULL_MASK (0x7 << 21) -#define MFP_PULL(x) (((x) >> 21) & 0x7) - -#define MFP_CFG_DEFAULT (MFP_AF0 | MFP_DS03X | MFP_LPM_DEFAULT |\ - MFP_LPM_EDGE_NONE | MFP_PULL_NONE) - -#define MFP_CFG(pin, af) \ - ((MFP_CFG_DEFAULT & ~MFP_AF_MASK) |\ - (MFP_PIN(MFP_PIN_##pin) | MFP_##af)) - -#define MFP_CFG_DRV(pin, af, drv) \ - ((MFP_CFG_DEFAULT & ~(MFP_AF_MASK | MFP_DS_MASK)) |\ - (MFP_PIN(MFP_PIN_##pin) | MFP_##af | MFP_##drv)) - -#define MFP_CFG_LPM(pin, af, lpm) \ - ((MFP_CFG_DEFAULT & ~(MFP_AF_MASK | MFP_LPM_STATE_MASK)) |\ - (MFP_PIN(MFP_PIN_##pin) | MFP_##af | MFP_LPM_##lpm)) - -#define MFP_CFG_X(pin, af, drv, lpm) \ - ((MFP_CFG_DEFAULT & ~(MFP_AF_MASK | MFP_DS_MASK | MFP_LPM_STATE_MASK)) |\ - (MFP_PIN(MFP_PIN_##pin) | MFP_##af | MFP_##drv | MFP_LPM_##lpm)) - -#if defined(CONFIG_PXA3xx) || defined(CONFIG_PXA95x) || defined(CONFIG_ARCH_MMP) -/* - * each MFP pin will have a MFPR register, since the offset of the - * register varies between processors, the processor specific code - * should initialize the pin offsets by mfp_init() - * - * mfp_init_base() - accepts a virtual base for all MFPR registers and - * initialize the MFP table to a default state - * - * mfp_init_addr() - accepts a table of "mfp_addr_map" structure, which - * represents a range of MFP pins from "start" to "end", with the offset - * beginning at "offset", to define a single pin, let "end" = -1. - * - * use - * - * MFP_ADDR_X() to define a range of pins - * MFP_ADDR() to define a single pin - * MFP_ADDR_END to signal the end of pin offset definitions - */ -struct mfp_addr_map { - unsigned int start; - unsigned int end; - unsigned long offset; -}; - -#define MFP_ADDR_X(start, end, offset) \ - { MFP_PIN_##start, MFP_PIN_##end, offset } - -#define MFP_ADDR(pin, offset) \ - { MFP_PIN_##pin, -1, offset } - -#define MFP_ADDR_END { MFP_PIN_INVALID, 0 } - -void __init mfp_init_base(void __iomem *mfpr_base); -void __init mfp_init_addr(struct mfp_addr_map *map); - -/* - * mfp_{read, write}() - for direct read/write access to the MFPR register - * mfp_config() - for configuring a group of MFPR registers - * mfp_config_lpm() - configuring all low power MFPR registers for suspend - * mfp_config_run() - configuring all run time MFPR registers after resume - */ -unsigned long mfp_read(int mfp); -void mfp_write(int mfp, unsigned long mfpr_val); -void mfp_config(unsigned long *mfp_cfgs, int num); -void mfp_config_run(void); -void mfp_config_lpm(void); -#endif /* CONFIG_PXA3xx || CONFIG_PXA95x || CONFIG_ARCH_MMP */ - -#endif /* __ASM_PLAT_MFP_H */ diff --git a/ANDROID_3.4.5/arch/arm/plat-pxa/include/plat/pxa27x_keypad.h b/ANDROID_3.4.5/arch/arm/plat-pxa/include/plat/pxa27x_keypad.h deleted file mode 100644 index abcc36eb..00000000 --- a/ANDROID_3.4.5/arch/arm/plat-pxa/include/plat/pxa27x_keypad.h +++ /dev/null @@ -1,69 +0,0 @@ -#ifndef __ASM_ARCH_PXA27x_KEYPAD_H -#define __ASM_ARCH_PXA27x_KEYPAD_H - -#include <linux/input.h> -#include <linux/input/matrix_keypad.h> - -#define MAX_MATRIX_KEY_ROWS (8) -#define MAX_MATRIX_KEY_COLS (8) -#define MATRIX_ROW_SHIFT (3) -#define MAX_DIRECT_KEY_NUM (8) - -/* pxa3xx keypad platform specific parameters - * - * NOTE: - * 1. direct_key_num indicates the number of keys in the direct keypad - * _plus_ the number of rotary-encoder sensor inputs, this can be - * left as 0 if only rotary encoders are enabled, the driver will - * automatically calculate this - * - * 2. direct_key_map is the key code map for the direct keys, if rotary - * encoder(s) are enabled, direct key 0/1(2/3) will be ignored - * - * 3. rotary can be either interpreted as a relative input event (e.g. - * REL_WHEEL/REL_HWHEEL) or specific keys (e.g. UP/DOWN/LEFT/RIGHT) - * - * 4. matrix key and direct key will use the same debounce_interval by - * default, which should be sufficient in most cases - * - * pxa168 keypad platform specific parameter - * - * NOTE: - * clear_wakeup_event callback is a workaround required to clear the - * keypad interrupt. The keypad wake must be cleared in addition to - * reading the MI/DI bits in the KPC register. - */ -struct pxa27x_keypad_platform_data { - - /* code map for the matrix keys */ - unsigned int matrix_key_rows; - unsigned int matrix_key_cols; - unsigned int *matrix_key_map; - int matrix_key_map_size; - - /* direct keys */ - int direct_key_num; - unsigned int direct_key_map[MAX_DIRECT_KEY_NUM]; - - /* rotary encoders 0 */ - int enable_rotary0; - int rotary0_rel_code; - int rotary0_up_key; - int rotary0_down_key; - - /* rotary encoders 1 */ - int enable_rotary1; - int rotary1_rel_code; - int rotary1_up_key; - int rotary1_down_key; - - /* key debounce interval */ - unsigned int debounce_interval; - - /* clear wakeup event requirement for pxa168 */ - void (*clear_wakeup_event)(void); -}; - -extern void pxa_set_keypad_info(struct pxa27x_keypad_platform_data *info); - -#endif /* __ASM_ARCH_PXA27x_KEYPAD_H */ diff --git a/ANDROID_3.4.5/arch/arm/plat-pxa/include/plat/pxa3xx_nand.h b/ANDROID_3.4.5/arch/arm/plat-pxa/include/plat/pxa3xx_nand.h deleted file mode 100644 index c42f39f2..00000000 --- a/ANDROID_3.4.5/arch/arm/plat-pxa/include/plat/pxa3xx_nand.h +++ /dev/null @@ -1,79 +0,0 @@ -#ifndef __ASM_ARCH_PXA3XX_NAND_H -#define __ASM_ARCH_PXA3XX_NAND_H - -#include <linux/mtd/mtd.h> -#include <linux/mtd/partitions.h> - -struct pxa3xx_nand_timing { - unsigned int tCH; /* Enable signal hold time */ - unsigned int tCS; /* Enable signal setup time */ - unsigned int tWH; /* ND_nWE high duration */ - unsigned int tWP; /* ND_nWE pulse time */ - unsigned int tRH; /* ND_nRE high duration */ - unsigned int tRP; /* ND_nRE pulse width */ - unsigned int tR; /* ND_nWE high to ND_nRE low for read */ - unsigned int tWHR; /* ND_nWE high to ND_nRE low for status read */ - unsigned int tAR; /* ND_ALE low to ND_nRE low delay */ -}; - -struct pxa3xx_nand_cmdset { - uint16_t read1; - uint16_t read2; - uint16_t program; - uint16_t read_status; - uint16_t read_id; - uint16_t erase; - uint16_t reset; - uint16_t lock; - uint16_t unlock; - uint16_t lock_status; -}; - -struct pxa3xx_nand_flash { - char *name; - uint32_t chip_id; - unsigned int page_per_block; /* Pages per block (PG_PER_BLK) */ - unsigned int page_size; /* Page size in bytes (PAGE_SZ) */ - unsigned int flash_width; /* Width of Flash memory (DWIDTH_M) */ - unsigned int dfc_width; /* Width of flash controller(DWIDTH_C) */ - unsigned int num_blocks; /* Number of physical blocks in Flash */ - - struct pxa3xx_nand_timing *timing; /* NAND Flash timing */ -}; - -/* - * Current pxa3xx_nand controller has two chip select which - * both be workable. - * - * Notice should be taken that: - * When you want to use this feature, you should not enable the - * keep configuration feature, for two chip select could be - * attached with different nand chip. The different page size - * and timing requirement make the keep configuration impossible. - */ - -/* The max num of chip select current support */ -#define NUM_CHIP_SELECT (2) -struct pxa3xx_nand_platform_data { - - /* the data flash bus is shared between the Static Memory - * Controller and the Data Flash Controller, the arbiter - * controls the ownership of the bus - */ - int enable_arbiter; - - /* allow platform code to keep OBM/bootloader defined NFC config */ - int keep_config; - - /* indicate how many chip selects will be used */ - int num_cs; - - const struct mtd_partition *parts[NUM_CHIP_SELECT]; - unsigned int nr_parts[NUM_CHIP_SELECT]; - - const struct pxa3xx_nand_flash * flash; - size_t num_flash; -}; - -extern void pxa3xx_set_nand_info(struct pxa3xx_nand_platform_data *info); -#endif /* __ASM_ARCH_PXA3XX_NAND_H */ diff --git a/ANDROID_3.4.5/arch/arm/plat-pxa/mfp.c b/ANDROID_3.4.5/arch/arm/plat-pxa/mfp.c deleted file mode 100644 index 2c4dbb1f..00000000 --- a/ANDROID_3.4.5/arch/arm/plat-pxa/mfp.c +++ /dev/null @@ -1,285 +0,0 @@ -/* - * linux/arch/arm/plat-pxa/mfp.c - * - * Multi-Function Pin Support - * - * Copyright (C) 2007 Marvell Internation Ltd. - * - * 2007-08-21: eric miao <eric.miao@marvell.com> - * initial version - * - * 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 <linux/module.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/io.h> - -#include <plat/mfp.h> - -#define MFPR_SIZE (PAGE_SIZE) - -/* MFPR register bit definitions */ -#define MFPR_PULL_SEL (0x1 << 15) -#define MFPR_PULLUP_EN (0x1 << 14) -#define MFPR_PULLDOWN_EN (0x1 << 13) -#define MFPR_SLEEP_SEL (0x1 << 9) -#define MFPR_SLEEP_OE_N (0x1 << 7) -#define MFPR_EDGE_CLEAR (0x1 << 6) -#define MFPR_EDGE_FALL_EN (0x1 << 5) -#define MFPR_EDGE_RISE_EN (0x1 << 4) - -#define MFPR_SLEEP_DATA(x) ((x) << 8) -#define MFPR_DRIVE(x) (((x) & 0x7) << 10) -#define MFPR_AF_SEL(x) (((x) & 0x7) << 0) - -#define MFPR_EDGE_NONE (0) -#define MFPR_EDGE_RISE (MFPR_EDGE_RISE_EN) -#define MFPR_EDGE_FALL (MFPR_EDGE_FALL_EN) -#define MFPR_EDGE_BOTH (MFPR_EDGE_RISE | MFPR_EDGE_FALL) - -/* - * Table that determines the low power modes outputs, with actual settings - * used in parentheses for don't-care values. Except for the float output, - * the configured driven and pulled levels match, so if there is a need for - * non-LPM pulled output, the same configuration could probably be used. - * - * Output value sleep_oe_n sleep_data pullup_en pulldown_en pull_sel - * (bit 7) (bit 8) (bit 14) (bit 13) (bit 15) - * - * Input 0 X(0) X(0) X(0) 0 - * Drive 0 0 0 0 X(1) 0 - * Drive 1 0 1 X(1) 0 0 - * Pull hi (1) 1 X(1) 1 0 0 - * Pull lo (0) 1 X(0) 0 1 0 - * Z (float) 1 X(0) 0 0 0 - */ -#define MFPR_LPM_INPUT (0) -#define MFPR_LPM_DRIVE_LOW (MFPR_SLEEP_DATA(0) | MFPR_PULLDOWN_EN) -#define MFPR_LPM_DRIVE_HIGH (MFPR_SLEEP_DATA(1) | MFPR_PULLUP_EN) -#define MFPR_LPM_PULL_LOW (MFPR_LPM_DRIVE_LOW | MFPR_SLEEP_OE_N) -#define MFPR_LPM_PULL_HIGH (MFPR_LPM_DRIVE_HIGH | MFPR_SLEEP_OE_N) -#define MFPR_LPM_FLOAT (MFPR_SLEEP_OE_N) -#define MFPR_LPM_MASK (0xe080) - -/* - * The pullup and pulldown state of the MFP pin at run mode is by default - * determined by the selected alternate function. In case that some buggy - * devices need to override this default behavior, the definitions below - * indicates the setting of corresponding MFPR bits - * - * Definition pull_sel pullup_en pulldown_en - * MFPR_PULL_NONE 0 0 0 - * MFPR_PULL_LOW 1 0 1 - * MFPR_PULL_HIGH 1 1 0 - * MFPR_PULL_BOTH 1 1 1 - * MFPR_PULL_FLOAT 1 0 0 - */ -#define MFPR_PULL_NONE (0) -#define MFPR_PULL_LOW (MFPR_PULL_SEL | MFPR_PULLDOWN_EN) -#define MFPR_PULL_BOTH (MFPR_PULL_LOW | MFPR_PULLUP_EN) -#define MFPR_PULL_HIGH (MFPR_PULL_SEL | MFPR_PULLUP_EN) -#define MFPR_PULL_FLOAT (MFPR_PULL_SEL) - -/* mfp_spin_lock is used to ensure that MFP register configuration - * (most likely a read-modify-write operation) is atomic, and that - * mfp_table[] is consistent - */ -static DEFINE_SPINLOCK(mfp_spin_lock); - -static void __iomem *mfpr_mmio_base; - -struct mfp_pin { - unsigned long config; /* -1 for not configured */ - unsigned long mfpr_off; /* MFPRxx Register offset */ - unsigned long mfpr_run; /* Run-Mode Register Value */ - unsigned long mfpr_lpm; /* Low Power Mode Register Value */ -}; - -static struct mfp_pin mfp_table[MFP_PIN_MAX]; - -/* mapping of MFP_LPM_* definitions to MFPR_LPM_* register bits */ -static const unsigned long mfpr_lpm[] = { - MFPR_LPM_INPUT, - MFPR_LPM_DRIVE_LOW, - MFPR_LPM_DRIVE_HIGH, - MFPR_LPM_PULL_LOW, - MFPR_LPM_PULL_HIGH, - MFPR_LPM_FLOAT, - MFPR_LPM_INPUT, -}; - -/* mapping of MFP_PULL_* definitions to MFPR_PULL_* register bits */ -static const unsigned long mfpr_pull[] = { - MFPR_PULL_NONE, - MFPR_PULL_LOW, - MFPR_PULL_HIGH, - MFPR_PULL_BOTH, - MFPR_PULL_FLOAT, -}; - -/* mapping of MFP_LPM_EDGE_* definitions to MFPR_EDGE_* register bits */ -static const unsigned long mfpr_edge[] = { - MFPR_EDGE_NONE, - MFPR_EDGE_RISE, - MFPR_EDGE_FALL, - MFPR_EDGE_BOTH, -}; - -#define mfpr_readl(off) \ - __raw_readl(mfpr_mmio_base + (off)) - -#define mfpr_writel(off, val) \ - __raw_writel(val, mfpr_mmio_base + (off)) - -#define mfp_configured(p) ((p)->config != -1) - -/* - * perform a read-back of any valid MFPR register to make sure the - * previous writings are finished - */ -static unsigned long mfpr_off_readback; -#define mfpr_sync() (void)__raw_readl(mfpr_mmio_base + mfpr_off_readback) - -static inline void __mfp_config_run(struct mfp_pin *p) -{ - if (mfp_configured(p)) - mfpr_writel(p->mfpr_off, p->mfpr_run); -} - -static inline void __mfp_config_lpm(struct mfp_pin *p) -{ - if (mfp_configured(p)) { - unsigned long mfpr_clr = (p->mfpr_run & ~MFPR_EDGE_BOTH) | MFPR_EDGE_CLEAR; - if (mfpr_clr != p->mfpr_run) - mfpr_writel(p->mfpr_off, mfpr_clr); - if (p->mfpr_lpm != mfpr_clr) - mfpr_writel(p->mfpr_off, p->mfpr_lpm); - } -} - -void mfp_config(unsigned long *mfp_cfgs, int num) -{ - unsigned long flags; - int i; - - spin_lock_irqsave(&mfp_spin_lock, flags); - - for (i = 0; i < num; i++, mfp_cfgs++) { - unsigned long tmp, c = *mfp_cfgs; - struct mfp_pin *p; - int pin, af, drv, lpm, edge, pull; - - pin = MFP_PIN(c); - BUG_ON(pin >= MFP_PIN_MAX); - p = &mfp_table[pin]; - - af = MFP_AF(c); - drv = MFP_DS(c); - lpm = MFP_LPM_STATE(c); - edge = MFP_LPM_EDGE(c); - pull = MFP_PULL(c); - - /* run-mode pull settings will conflict with MFPR bits of - * low power mode state, calculate mfpr_run and mfpr_lpm - * individually if pull != MFP_PULL_NONE - */ - tmp = MFPR_AF_SEL(af) | MFPR_DRIVE(drv); - - if (likely(pull == MFP_PULL_NONE)) { - p->mfpr_run = tmp | mfpr_lpm[lpm] | mfpr_edge[edge]; - p->mfpr_lpm = p->mfpr_run; - } else { - p->mfpr_lpm = tmp | mfpr_lpm[lpm] | mfpr_edge[edge]; - p->mfpr_run = tmp | mfpr_pull[pull]; - } - - p->config = c; __mfp_config_run(p); - } - - mfpr_sync(); - spin_unlock_irqrestore(&mfp_spin_lock, flags); -} - -unsigned long mfp_read(int mfp) -{ - unsigned long val, flags; - - BUG_ON(mfp < 0 || mfp >= MFP_PIN_MAX); - - spin_lock_irqsave(&mfp_spin_lock, flags); - val = mfpr_readl(mfp_table[mfp].mfpr_off); - spin_unlock_irqrestore(&mfp_spin_lock, flags); - - return val; -} - -void mfp_write(int mfp, unsigned long val) -{ - unsigned long flags; - - BUG_ON(mfp < 0 || mfp >= MFP_PIN_MAX); - - spin_lock_irqsave(&mfp_spin_lock, flags); - mfpr_writel(mfp_table[mfp].mfpr_off, val); - mfpr_sync(); - spin_unlock_irqrestore(&mfp_spin_lock, flags); -} - -void __init mfp_init_base(void __iomem *mfpr_base) -{ - int i; - - /* initialize the table with default - unconfigured */ - for (i = 0; i < ARRAY_SIZE(mfp_table); i++) - mfp_table[i].config = -1; - - mfpr_mmio_base = mfpr_base; -} - -void __init mfp_init_addr(struct mfp_addr_map *map) -{ - struct mfp_addr_map *p; - unsigned long offset, flags; - int i; - - spin_lock_irqsave(&mfp_spin_lock, flags); - - /* mfp offset for readback */ - mfpr_off_readback = map[0].offset; - - for (p = map; p->start != MFP_PIN_INVALID; p++) { - offset = p->offset; - i = p->start; - - do { - mfp_table[i].mfpr_off = offset; - mfp_table[i].mfpr_run = 0; - mfp_table[i].mfpr_lpm = 0; - offset += 4; i++; - } while ((i <= p->end) && (p->end != -1)); - } - - spin_unlock_irqrestore(&mfp_spin_lock, flags); -} - -void mfp_config_lpm(void) -{ - struct mfp_pin *p = &mfp_table[0]; - int pin; - - for (pin = 0; pin < ARRAY_SIZE(mfp_table); pin++, p++) - __mfp_config_lpm(p); -} - -void mfp_config_run(void) -{ - struct mfp_pin *p = &mfp_table[0]; - int pin; - - for (pin = 0; pin < ARRAY_SIZE(mfp_table); pin++, p++) - __mfp_config_run(p); -} diff --git a/ANDROID_3.4.5/arch/arm/plat-pxa/pwm.c b/ANDROID_3.4.5/arch/arm/plat-pxa/pwm.c deleted file mode 100644 index ef32686f..00000000 --- a/ANDROID_3.4.5/arch/arm/plat-pxa/pwm.c +++ /dev/null @@ -1,304 +0,0 @@ -/* - * linux/arch/arm/mach-pxa/pwm.c - * - * simple driver for PWM (Pulse Width Modulator) controller - * - * 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. - * - * 2008-02-13 initial version - * eric miao <eric.miao@marvell.com> - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/platform_device.h> -#include <linux/slab.h> -#include <linux/err.h> -#include <linux/clk.h> -#include <linux/io.h> -#include <linux/pwm.h> - -#include <asm/div64.h> - -#define HAS_SECONDARY_PWM 0x10 -#define PWM_ID_BASE(d) ((d) & 0xf) - -static const struct platform_device_id pwm_id_table[] = { - /* PWM has_secondary_pwm? */ - { "pxa25x-pwm", 0 }, - { "pxa27x-pwm", 0 | HAS_SECONDARY_PWM }, - { "pxa168-pwm", 1 }, - { "pxa910-pwm", 1 }, - { }, -}; -MODULE_DEVICE_TABLE(platform, pwm_id_table); - -/* PWM registers and bits definitions */ -#define PWMCR (0x00) -#define PWMDCR (0x04) -#define PWMPCR (0x08) - -#define PWMCR_SD (1 << 6) -#define PWMDCR_FD (1 << 10) - -struct pwm_device { - struct list_head node; - struct pwm_device *secondary; - struct platform_device *pdev; - - const char *label; - struct clk *clk; - int clk_enabled; - void __iomem *mmio_base; - - unsigned int use_count; - unsigned int pwm_id; -}; - -/* - * period_ns = 10^9 * (PRESCALE + 1) * (PV + 1) / PWM_CLK_RATE - * duty_ns = 10^9 * (PRESCALE + 1) * DC / PWM_CLK_RATE - */ -int pwm_config(struct pwm_device *pwm, int duty_ns, int period_ns) -{ - unsigned long long c; - unsigned long period_cycles, prescale, pv, dc; - - if (pwm == NULL || period_ns == 0 || duty_ns > period_ns) - return -EINVAL; - - c = clk_get_rate(pwm->clk); - c = c * period_ns; - do_div(c, 1000000000); - period_cycles = c; - - if (period_cycles < 1) - period_cycles = 1; - prescale = (period_cycles - 1) / 1024; - pv = period_cycles / (prescale + 1) - 1; - - if (prescale > 63) - return -EINVAL; - - if (duty_ns == period_ns) - dc = PWMDCR_FD; - else - dc = (pv + 1) * duty_ns / period_ns; - - /* NOTE: the clock to PWM has to be enabled first - * before writing to the registers - */ - clk_enable(pwm->clk); - __raw_writel(prescale, pwm->mmio_base + PWMCR); - __raw_writel(dc, pwm->mmio_base + PWMDCR); - __raw_writel(pv, pwm->mmio_base + PWMPCR); - clk_disable(pwm->clk); - - return 0; -} -EXPORT_SYMBOL(pwm_config); - -int pwm_enable(struct pwm_device *pwm) -{ - int rc = 0; - - if (!pwm->clk_enabled) { - rc = clk_enable(pwm->clk); - if (!rc) - pwm->clk_enabled = 1; - } - return rc; -} -EXPORT_SYMBOL(pwm_enable); - -void pwm_disable(struct pwm_device *pwm) -{ - if (pwm->clk_enabled) { - clk_disable(pwm->clk); - pwm->clk_enabled = 0; - } -} -EXPORT_SYMBOL(pwm_disable); - -static DEFINE_MUTEX(pwm_lock); -static LIST_HEAD(pwm_list); - -struct pwm_device *pwm_request(int pwm_id, const char *label) -{ - struct pwm_device *pwm; - int found = 0; - - mutex_lock(&pwm_lock); - - list_for_each_entry(pwm, &pwm_list, node) { - if (pwm->pwm_id == pwm_id) { - found = 1; - break; - } - } - - if (found) { - if (pwm->use_count == 0) { - pwm->use_count++; - pwm->label = label; - } else - pwm = ERR_PTR(-EBUSY); - } else - pwm = ERR_PTR(-ENOENT); - - mutex_unlock(&pwm_lock); - return pwm; -} -EXPORT_SYMBOL(pwm_request); - -void pwm_free(struct pwm_device *pwm) -{ - mutex_lock(&pwm_lock); - - if (pwm->use_count) { - pwm->use_count--; - pwm->label = NULL; - } else - pr_warning("PWM device already freed\n"); - - mutex_unlock(&pwm_lock); -} -EXPORT_SYMBOL(pwm_free); - -static inline void __add_pwm(struct pwm_device *pwm) -{ - mutex_lock(&pwm_lock); - list_add_tail(&pwm->node, &pwm_list); - mutex_unlock(&pwm_lock); -} - -static int __devinit pwm_probe(struct platform_device *pdev) -{ - const struct platform_device_id *id = platform_get_device_id(pdev); - struct pwm_device *pwm, *secondary = NULL; - struct resource *r; - int ret = 0; - - pwm = kzalloc(sizeof(struct pwm_device), GFP_KERNEL); - if (pwm == NULL) { - dev_err(&pdev->dev, "failed to allocate memory\n"); - return -ENOMEM; - } - - pwm->clk = clk_get(&pdev->dev, NULL); - if (IS_ERR(pwm->clk)) { - ret = PTR_ERR(pwm->clk); - goto err_free; - } - pwm->clk_enabled = 0; - - pwm->use_count = 0; - pwm->pwm_id = PWM_ID_BASE(id->driver_data) + pdev->id; - pwm->pdev = pdev; - - r = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (r == NULL) { - dev_err(&pdev->dev, "no memory resource defined\n"); - ret = -ENODEV; - goto err_free_clk; - } - - r = request_mem_region(r->start, resource_size(r), pdev->name); - if (r == NULL) { - dev_err(&pdev->dev, "failed to request memory resource\n"); - ret = -EBUSY; - goto err_free_clk; - } - - pwm->mmio_base = ioremap(r->start, resource_size(r)); - if (pwm->mmio_base == NULL) { - dev_err(&pdev->dev, "failed to ioremap() registers\n"); - ret = -ENODEV; - goto err_free_mem; - } - - if (id->driver_data & HAS_SECONDARY_PWM) { - secondary = kzalloc(sizeof(struct pwm_device), GFP_KERNEL); - if (secondary == NULL) { - ret = -ENOMEM; - goto err_free_mem; - } - - *secondary = *pwm; - pwm->secondary = secondary; - - /* registers for the second PWM has offset of 0x10 */ - secondary->mmio_base = pwm->mmio_base + 0x10; - secondary->pwm_id = pdev->id + 2; - } - - __add_pwm(pwm); - if (secondary) - __add_pwm(secondary); - - platform_set_drvdata(pdev, pwm); - return 0; - -err_free_mem: - release_mem_region(r->start, resource_size(r)); -err_free_clk: - clk_put(pwm->clk); -err_free: - kfree(pwm); - return ret; -} - -static int __devexit pwm_remove(struct platform_device *pdev) -{ - struct pwm_device *pwm; - struct resource *r; - - pwm = platform_get_drvdata(pdev); - if (pwm == NULL) - return -ENODEV; - - mutex_lock(&pwm_lock); - - if (pwm->secondary) { - list_del(&pwm->secondary->node); - kfree(pwm->secondary); - } - - list_del(&pwm->node); - mutex_unlock(&pwm_lock); - - iounmap(pwm->mmio_base); - - r = platform_get_resource(pdev, IORESOURCE_MEM, 0); - release_mem_region(r->start, resource_size(r)); - - clk_put(pwm->clk); - kfree(pwm); - return 0; -} - -static struct platform_driver pwm_driver = { - .driver = { - .name = "pxa25x-pwm", - .owner = THIS_MODULE, - }, - .probe = pwm_probe, - .remove = __devexit_p(pwm_remove), - .id_table = pwm_id_table, -}; - -static int __init pwm_init(void) -{ - return platform_driver_register(&pwm_driver); -} -arch_initcall(pwm_init); - -static void __exit pwm_exit(void) -{ - platform_driver_unregister(&pwm_driver); -} -module_exit(pwm_exit); - -MODULE_LICENSE("GPL v2"); diff --git a/ANDROID_3.4.5/arch/arm/plat-pxa/ssp.c b/ANDROID_3.4.5/arch/arm/plat-pxa/ssp.c deleted file mode 100644 index 58b79809..00000000 --- a/ANDROID_3.4.5/arch/arm/plat-pxa/ssp.c +++ /dev/null @@ -1,224 +0,0 @@ -/* - * linux/arch/arm/mach-pxa/ssp.c - * - * based on linux/arch/arm/mach-sa1100/ssp.c by Russell King - * - * Copyright (C) 2003 Russell King. - * Copyright (C) 2003 Wolfson Microelectronics PLC - * - * 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. - * - * PXA2xx SSP driver. This provides the generic core for simple - * IO-based SSP applications and allows easy port setup for DMA access. - * - * Author: Liam Girdwood <liam.girdwood@wolfsonmicro.com> - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/slab.h> -#include <linux/errno.h> -#include <linux/interrupt.h> -#include <linux/ioport.h> -#include <linux/init.h> -#include <linux/mutex.h> -#include <linux/clk.h> -#include <linux/err.h> -#include <linux/platform_device.h> -#include <linux/spi/pxa2xx_spi.h> -#include <linux/io.h> - -#include <asm/irq.h> -#include <mach/hardware.h> - -static DEFINE_MUTEX(ssp_lock); -static LIST_HEAD(ssp_list); - -struct ssp_device *pxa_ssp_request(int port, const char *label) -{ - struct ssp_device *ssp = NULL; - - mutex_lock(&ssp_lock); - - list_for_each_entry(ssp, &ssp_list, node) { - if (ssp->port_id == port && ssp->use_count == 0) { - ssp->use_count++; - ssp->label = label; - break; - } - } - - mutex_unlock(&ssp_lock); - - if (&ssp->node == &ssp_list) - return NULL; - - return ssp; -} -EXPORT_SYMBOL(pxa_ssp_request); - -void pxa_ssp_free(struct ssp_device *ssp) -{ - mutex_lock(&ssp_lock); - if (ssp->use_count) { - ssp->use_count--; - ssp->label = NULL; - } else - dev_err(&ssp->pdev->dev, "device already free\n"); - mutex_unlock(&ssp_lock); -} -EXPORT_SYMBOL(pxa_ssp_free); - -static int __devinit pxa_ssp_probe(struct platform_device *pdev) -{ - const struct platform_device_id *id = platform_get_device_id(pdev); - struct resource *res; - struct ssp_device *ssp; - int ret = 0; - - ssp = kzalloc(sizeof(struct ssp_device), GFP_KERNEL); - if (ssp == NULL) { - dev_err(&pdev->dev, "failed to allocate memory"); - return -ENOMEM; - } - ssp->pdev = pdev; - - ssp->clk = clk_get(&pdev->dev, NULL); - if (IS_ERR(ssp->clk)) { - ret = PTR_ERR(ssp->clk); - goto err_free; - } - - res = platform_get_resource(pdev, IORESOURCE_DMA, 0); - if (res == NULL) { - dev_err(&pdev->dev, "no SSP RX DRCMR defined\n"); - ret = -ENODEV; - goto err_free_clk; - } - ssp->drcmr_rx = res->start; - - res = platform_get_resource(pdev, IORESOURCE_DMA, 1); - if (res == NULL) { - dev_err(&pdev->dev, "no SSP TX DRCMR defined\n"); - ret = -ENODEV; - goto err_free_clk; - } - ssp->drcmr_tx = res->start; - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (res == NULL) { - dev_err(&pdev->dev, "no memory resource defined\n"); - ret = -ENODEV; - goto err_free_clk; - } - - res = request_mem_region(res->start, resource_size(res), - pdev->name); - if (res == NULL) { - dev_err(&pdev->dev, "failed to request memory resource\n"); - ret = -EBUSY; - goto err_free_clk; - } - - ssp->phys_base = res->start; - - ssp->mmio_base = ioremap(res->start, resource_size(res)); - if (ssp->mmio_base == NULL) { - dev_err(&pdev->dev, "failed to ioremap() registers\n"); - ret = -ENODEV; - goto err_free_mem; - } - - ssp->irq = platform_get_irq(pdev, 0); - if (ssp->irq < 0) { - dev_err(&pdev->dev, "no IRQ resource defined\n"); - ret = -ENODEV; - goto err_free_io; - } - - /* PXA2xx/3xx SSP ports starts from 1 and the internal pdev->id - * starts from 0, do a translation here - */ - ssp->port_id = pdev->id + 1; - ssp->use_count = 0; - ssp->type = (int)id->driver_data; - - mutex_lock(&ssp_lock); - list_add(&ssp->node, &ssp_list); - mutex_unlock(&ssp_lock); - - platform_set_drvdata(pdev, ssp); - return 0; - -err_free_io: - iounmap(ssp->mmio_base); -err_free_mem: - release_mem_region(res->start, resource_size(res)); -err_free_clk: - clk_put(ssp->clk); -err_free: - kfree(ssp); - return ret; -} - -static int __devexit pxa_ssp_remove(struct platform_device *pdev) -{ - struct resource *res; - struct ssp_device *ssp; - - ssp = platform_get_drvdata(pdev); - if (ssp == NULL) - return -ENODEV; - - iounmap(ssp->mmio_base); - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - release_mem_region(res->start, resource_size(res)); - - clk_put(ssp->clk); - - mutex_lock(&ssp_lock); - list_del(&ssp->node); - mutex_unlock(&ssp_lock); - - kfree(ssp); - return 0; -} - -static const struct platform_device_id ssp_id_table[] = { - { "pxa25x-ssp", PXA25x_SSP }, - { "pxa25x-nssp", PXA25x_NSSP }, - { "pxa27x-ssp", PXA27x_SSP }, - { "pxa168-ssp", PXA168_SSP }, - { }, -}; - -static struct platform_driver pxa_ssp_driver = { - .probe = pxa_ssp_probe, - .remove = __devexit_p(pxa_ssp_remove), - .driver = { - .owner = THIS_MODULE, - .name = "pxa2xx-ssp", - }, - .id_table = ssp_id_table, -}; - -static int __init pxa_ssp_init(void) -{ - return platform_driver_register(&pxa_ssp_driver); -} - -static void __exit pxa_ssp_exit(void) -{ - platform_driver_unregister(&pxa_ssp_driver); -} - -arch_initcall(pxa_ssp_init); -module_exit(pxa_ssp_exit); - -MODULE_DESCRIPTION("PXA SSP driver"); -MODULE_AUTHOR("Liam Girdwood"); -MODULE_LICENSE("GPL"); |