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Diffstat (limited to 'recipes/kexecboot/linux-kexecboot-2.6.24/tosa/0004-Add-support-for-tc6393xb-MFD-core.patch')
-rw-r--r--recipes/kexecboot/linux-kexecboot-2.6.24/tosa/0004-Add-support-for-tc6393xb-MFD-core.patch907
1 files changed, 907 insertions, 0 deletions
diff --git a/recipes/kexecboot/linux-kexecboot-2.6.24/tosa/0004-Add-support-for-tc6393xb-MFD-core.patch b/recipes/kexecboot/linux-kexecboot-2.6.24/tosa/0004-Add-support-for-tc6393xb-MFD-core.patch
new file mode 100644
index 0000000000..a78c0f37f3
--- /dev/null
+++ b/recipes/kexecboot/linux-kexecboot-2.6.24/tosa/0004-Add-support-for-tc6393xb-MFD-core.patch
@@ -0,0 +1,907 @@
+From 3f56cac281fb407b7d8e574d18ee7d72aa7e7c28 Mon Sep 17 00:00:00 2001
+From: Ian Molton <spyro@f2s.com>
+Date: Sat, 29 Dec 2007 15:02:30 +0000
+Subject: [PATCH 04/64] Add support for tc6393xb MFD core
+
+---
+ drivers/mfd/Kconfig | 6 +
+ drivers/mfd/Makefile | 2 +
+ drivers/mfd/tc6393xb.c | 740 ++++++++++++++++++++++++++++++++++++++++++
+ include/linux/mfd/tc6393xb.h | 108 ++++++
+ 4 files changed, 856 insertions(+), 0 deletions(-)
+ create mode 100644 drivers/mfd/tc6393xb.c
+ create mode 100644 include/linux/mfd/tc6393xb.h
+
+diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
+index 1205c89..9903d0a 100644
+--- a/drivers/mfd/Kconfig
++++ b/drivers/mfd/Kconfig
+@@ -9,6 +9,12 @@ config MFD_CORE
+ tristate
+ default n
+
++config MFD_TC6393XB
++ bool "Support Toshiba TC6393XB"
++ select MFD_CORE
++ help
++ Support for Toshiba Mobile IO Controller TC6393XB
++
+ config MFD_SM501
+ tristate "Support for Silicon Motion SM501"
+ ---help---
+diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
+index 6c20064..ffd342e 100644
+--- a/drivers/mfd/Makefile
++++ b/drivers/mfd/Makefile
+@@ -6,6 +6,8 @@ obj-$(CONFIG_MFD_SM501) += sm501.o
+
+ obj-$(CONFIG_MFD_CORE) += mfd-core.o
+
++obj-$(CONFIG_MFD_TC6393XB) += tc6393xb.o
++
+ obj-$(CONFIG_MCP) += mcp-core.o
+ obj-$(CONFIG_MCP_SA11X0) += mcp-sa11x0.o
+ obj-$(CONFIG_MCP_UCB1200) += ucb1x00-core.o
+diff --git a/drivers/mfd/tc6393xb.c b/drivers/mfd/tc6393xb.c
+new file mode 100644
+index 0000000..9439f39
+--- /dev/null
++++ b/drivers/mfd/tc6393xb.c
+@@ -0,0 +1,740 @@
++/*
++ * Toshiba TC6393XB SoC support
++ *
++ * Copyright(c) 2005-2006 Chris Humbert
++ * Copyright(c) 2005 Dirk Opfer
++ * Copyright(c) 2005 Ian Molton <spyro@f2s.com>
++ * Copyright(c) 2007 Dmitry Baryshkov
++ *
++ * Based on code written by Sharp/Lineo for 2.4 kernels
++ * Based on locomo.c
++ *
++ * 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/kernel.h>
++#include <linux/module.h>
++#include <linux/io.h>
++#include <linux/irq.h>
++#include <linux/platform_device.h>
++#include <linux/fb.h>
++#include <linux/mfd-core.h>
++#include <linux/mfd/tmio.h>
++#include <linux/mfd/tc6393xb.h>
++
++struct tc6393xb_scr {
++ u8 x00[8];
++ u8 revid; /* 0x08 Revision ID */
++ u8 x01[0x47];
++ u8 isr; /* 0x50 Interrupt Status */
++ u8 x02;
++ u8 imr; /* 0x52 Interrupt Mask */
++ u8 x03;
++ u8 irr; /* 0x54 Interrupt Routing */
++ u8 x04[0x0b];
++ u16 gper; /* 0x60 GP Enable */
++ u8 x05[2];
++ u16 gpi_sr[2]; /* 0x64 GPI Status */
++ u16 gpi_imr[2]; /* 0x68 GPI INT Mask */
++ u16 gpi_eder[2]; /* 0x6c GPI Edge Detect Enable */
++ u16 gpi_lir[4]; /* 0x70 GPI Level Invert */
++ u16 gpo_dsr[2]; /* 0x78 GPO Data Set */
++ u16 gpo_doecr[2]; /* 0x7c GPO Data OE Control */
++ u16 gp_iarcr[2]; /* 0x80 GP Internal Active Reg Control */
++ u16 gp_iarlcr[2]; /* 0x84 GP Internal Active Reg Level Con*/
++ u8 gpi_bcr[4]; /* 0x88 GPI Buffer Control */
++ u16 gpa_iarcr; /* 0x8c GPa Internal Active Reg Control */
++ u8 x06[2];
++ u16 gpa_iarlcr; /* 0x90 GPa Internal Active Reg Level Co*/
++ u8 x07[2];
++ u16 gpa_bcr; /* 0x94 GPa Buffer Control */
++ u8 x08[2];
++ u16 ccr; /* 0x98 Clock Control */
++ u16 pll2cr; /* 0x9a PLL2 Control */
++ u16 pll1cr[2]; /* 0x9c PLL1 Control */
++ u8 diarcr; /* 0xa0 Device Internal Active Reg Contr*/
++ u8 dbocr; /* 0xa1 Device Buffer Off Control */
++ u8 x09[0x3e];
++ u8 fer; /* 0xe0 Function Enable */
++ u8 x10[3];
++ u16 mcr; /* 0xe4 Mode Control */
++ u8 x11[0x14];
++ u8 config; /* 0xfc Configuration Control */
++ u8 x12[2];
++ u8 debug; /* 0xff Debug */
++} __attribute__ ((packed));
++
++/*--------------------------------------------------------------------------*/
++
++struct tc6393xb {
++ struct tc6393xb_scr __iomem *scr;
++
++ spinlock_t lock; /* protects RMW cycles */
++
++ struct {
++ union tc6393xb_scr_fer fer;
++ union tc6393xb_scr_ccr ccr;
++ u8 gpi_bcr[4];
++ } suspend_state;
++
++ struct resource rscr;
++ struct resource *iomem;
++ int irq;
++};
++
++/*--------------------------------------------------------------------------*/
++
++static int tc6393xb_mmc_enable(struct platform_device *mmc) {
++ struct platform_device *dev = to_platform_device(mmc->dev.parent);
++ struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
++ struct tc6393xb_scr __iomem *scr = tc6393xb->scr;
++ union tc6393xb_scr_ccr ccr;
++ unsigned long flags;
++
++ spin_lock_irqsave(&tc6393xb->lock, flags);
++ ccr.raw = ioread16(&scr->ccr);
++ ccr.bits.ck32ken = 1;
++ iowrite16(ccr.raw, &scr->ccr);
++ spin_unlock_irqrestore(&tc6393xb->lock, flags);
++
++ return 0;
++}
++
++static int tc6393xb_mmc_disable(struct platform_device *mmc) {
++ struct platform_device *dev = to_platform_device(mmc->dev.parent);
++ struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
++ struct tc6393xb_scr __iomem *scr = tc6393xb->scr;
++ union tc6393xb_scr_ccr ccr;
++ unsigned long flags;
++
++ spin_lock_irqsave(&tc6393xb->lock, flags);
++ ccr.raw = ioread16(&scr->ccr);
++ ccr.bits.ck32ken = 0;
++ iowrite16(ccr.raw, &scr->ccr);
++ spin_unlock_irqrestore(&tc6393xb->lock, flags);
++
++ return 0;
++}
++
++/*--------------------------------------------------------------------------*/
++
++static int tc6393xb_nand_disable(struct platform_device *nand)
++{
++ return 0;
++}
++
++static int tc6393xb_nand_enable(struct platform_device *nand)
++{
++ struct platform_device *dev = to_platform_device(nand->dev.parent);
++ struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
++ struct tc6393xb_scr __iomem *scr = tc6393xb->scr;
++ unsigned long flags;
++
++ spin_lock_irqsave(&tc6393xb->lock, flags);
++
++ /* SMD buffer on */
++ dev_dbg(&dev->dev, "SMD buffer on\n");
++ iowrite8(0xff, scr->gpi_bcr + 1);
++
++ spin_unlock_irqrestore(&tc6393xb->lock, flags);
++
++ return 0;
++}
++
++int tc6393xb_lcd_set_power(struct platform_device *fb, bool on)
++{
++ struct platform_device *dev = to_platform_device(fb->dev.parent);
++ struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
++ struct tc6393xb_scr __iomem *scr = tc6393xb->scr;
++ union tc6393xb_scr_fer fer;
++ unsigned long flags;
++
++ spin_lock_irqsave(&tc6393xb->lock, flags);
++
++ fer.raw = ioread8(&scr->fer);
++ fer.bits.slcden = on ? 1 : 0;
++ iowrite8(fer.raw, &scr->fer);
++
++ spin_unlock_irqrestore(&tc6393xb->lock, flags);
++
++ return 0;
++}
++EXPORT_SYMBOL(tc6393xb_lcd_set_power);
++
++int tc6393xb_lcd_mode(struct platform_device *fb_dev,
++ struct fb_videomode *mode) {
++ struct tc6393xb *tc6393xb =
++ platform_get_drvdata(to_platform_device(fb_dev->dev.parent));
++ struct tc6393xb_scr __iomem *scr = tc6393xb->scr;
++
++ iowrite16(mode->pixclock, scr->pll1cr + 0);
++ iowrite16(mode->pixclock >> 16, scr->pll1cr + 1);
++
++ return 0;
++}
++EXPORT_SYMBOL(tc6393xb_lcd_mode);
++
++static int tc6393xb_ohci_disable(struct platform_device *ohci)
++{
++ struct platform_device *dev = to_platform_device(ohci->dev.parent);
++ struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
++ struct tc6393xb_scr __iomem *scr = tc6393xb->scr;
++ union tc6393xb_scr_ccr ccr;
++ union tc6393xb_scr_fer fer;
++ unsigned long flags;
++
++ spin_lock_irqsave(&tc6393xb->lock, flags);
++
++ fer.raw = ioread8(&scr->fer);
++ fer.bits.usben = 0;
++ iowrite8(fer.raw, &scr->fer);
++
++ ccr.raw = ioread16(&scr->ccr);
++ ccr.bits.usbcken = 0;
++ iowrite16(ccr.raw, &scr->ccr);
++
++ spin_unlock_irqrestore(&tc6393xb->lock, flags);
++
++ return 0;
++}
++
++static int tc6393xb_ohci_enable(struct platform_device *ohci)
++{
++ struct platform_device *dev = to_platform_device(ohci->dev.parent);
++ struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
++ struct tc6393xb_scr __iomem *scr = tc6393xb->scr;
++ union tc6393xb_scr_ccr ccr;
++ union tc6393xb_scr_fer fer;
++ unsigned long flags;
++
++ spin_lock_irqsave(&tc6393xb->lock, flags);
++
++ ccr.raw = ioread16(&scr->ccr);
++ ccr.bits.usbcken = 1;
++ iowrite16(ccr.raw, &scr->ccr);
++
++ fer.raw = ioread8(&scr->fer);
++ fer.bits.usben = 1;
++ iowrite8(fer.raw, &scr->fer);
++
++ spin_unlock_irqrestore(&tc6393xb->lock, flags);
++
++ return 0;
++}
++
++static int tc6393xb_fb_disable(struct platform_device *fb)
++{
++ struct platform_device *dev = to_platform_device(fb->dev.parent);
++ struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
++ struct tc6393xb_scr __iomem *scr = tc6393xb->scr;
++ union tc6393xb_scr_ccr ccr;
++ union tc6393xb_scr_fer fer;
++ unsigned long flags;
++
++ spin_lock_irqsave(&tc6393xb->lock, flags);
++
++ /*
++ * FIXME: is this correct or it should be moved to other _disable?
++ */
++ fer.raw = ioread8(&scr->fer);
++ fer.bits.slcden = 0;
++/* fer.bits.lcdcven = 0; */
++ iowrite8(fer.raw, &scr->fer);
++
++ ccr.raw = ioread16(&scr->ccr);
++ ccr.bits.mclksel = disable;
++ iowrite16(ccr.raw, &scr->ccr);
++
++ spin_unlock_irqrestore(&tc6393xb->lock, flags);
++
++ return 0;
++}
++
++static int tc6393xb_fb_enable(struct platform_device *fb)
++{
++ struct platform_device *dev = to_platform_device(fb->dev.parent);
++ struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
++ struct tc6393xb_scr __iomem *scr = tc6393xb->scr;
++ union tc6393xb_scr_ccr ccr;
++ unsigned long flags;
++
++ spin_lock_irqsave(&tc6393xb->lock, flags);
++
++ ccr.raw = ioread16(&scr->ccr);
++ ccr.bits.mclksel = m48MHz;
++ iowrite16(ccr.raw, &scr->ccr);
++
++ spin_unlock_irqrestore(&tc6393xb->lock, flags);
++
++ return 0;
++}
++
++static int tc6393xb_fb_suspend(struct platform_device *fb)
++{
++ struct platform_device *dev = to_platform_device(fb->dev.parent);
++ struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
++ struct tc6393xb_scr __iomem *scr = tc6393xb->scr;
++ union tc6393xb_scr_ccr ccr;
++ unsigned long flags;
++
++ spin_lock_irqsave(&tc6393xb->lock, flags);
++
++ ccr.raw = ioread16(&scr->ccr);
++ ccr.bits.mclksel = disable;
++ iowrite16(ccr.raw, &scr->ccr);
++
++ spin_unlock_irqrestore(&tc6393xb->lock, flags);
++
++ return 0;
++}
++
++static int tc6393xb_fb_resume(struct platform_device *fb)
++{
++ struct platform_device *dev = to_platform_device(fb->dev.parent);
++ struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
++ struct tc6393xb_scr __iomem *scr = tc6393xb->scr;
++ union tc6393xb_scr_ccr ccr;
++ unsigned long flags;
++
++ spin_lock_irqsave(&tc6393xb->lock, flags);
++
++ ccr.raw = ioread16(&scr->ccr);
++ ccr.bits.mclksel = m48MHz;
++ iowrite16(ccr.raw, &scr->ccr);
++
++ spin_unlock_irqrestore(&tc6393xb->lock, flags);
++
++ return 0;
++}
++
++static struct resource tc6393xb_mmc_resources[] = {
++ {
++ .name = TMIO_MMC_CONTROL,
++ .start = 0x800,
++ .end = 0x9ff,
++ .flags = IORESOURCE_MEM,
++ },
++ {
++ .name = TMIO_MMC_CONFIG,
++ .start = 0x200,
++ .end = 0x2ff,
++ .flags = IORESOURCE_MEM,
++ },
++ {
++ .name = TMIO_MMC_IRQ,
++ .start = IRQ_TC6393_MMC,
++ .end = IRQ_TC6393_MMC,
++ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_MFD_SUBDEVICE,
++ },
++};
++
++const static struct resource tc6393xb_nand_resources[] = {
++ {
++ .name = TMIO_NAND_CONFIG,
++ .start = 0x0100,
++ .end = 0x01ff,
++ .flags = IORESOURCE_MEM,
++ },
++ {
++ .name = TMIO_NAND_CONTROL,
++ .start = 0x1000,
++ .end = 0x1007,
++ .flags = IORESOURCE_MEM,
++ },
++ {
++ .name = TMIO_NAND_IRQ,
++ .start = IRQ_TC6393_NAND,
++ .end = IRQ_TC6393_NAND,
++ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_MFD_SUBDEVICE,
++ },
++};
++
++const static struct resource tc6393xb_ohci_resources[] = {
++ {
++ .name = TMIO_OHCI_CONFIG,
++ .start = 0x0300,
++ .end = 0x03ff,
++ .flags = IORESOURCE_MEM,
++ },
++ {
++ .name = TMIO_OHCI_CONTROL,
++ .start = 0x3000,
++ .end = 0x31ff,
++ .flags = IORESOURCE_MEM,
++ },
++ {
++ .name = TMIO_OHCI_SRAM,
++ .start = 0x010000,
++ .end = 0x017fff,
++ .flags = IORESOURCE_MEM,
++ },
++ {
++ .name = TMIO_OHCI_SRAM_ALIAS,
++ .start = 0x018000,
++ .end = 0x01ffff,
++ .flags = IORESOURCE_MEM,
++ },
++ {
++ .name = TMIO_OHCI_IRQ,
++ .start = IRQ_TC6393_OHCI,
++ .end = IRQ_TC6393_OHCI,
++ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_MFD_SUBDEVICE,
++ },
++};
++
++const static struct resource tc6393xb_fb_resources[] = {
++ {
++ .name = TMIO_FB_CONFIG,
++ .start = 0x0500,
++ .end = 0x05ff,
++ .flags = IORESOURCE_MEM,
++ },
++ {
++ .name = TMIO_FB_CONTROL,
++ .start = 0x5000,
++ .end = 0x51ff,
++ .flags = IORESOURCE_MEM,
++ },
++ {
++ .name = TMIO_FB_VRAM,
++ .start = 0x100000,
++ .end = 0x1fffff,
++ .flags = IORESOURCE_MEM,
++ },
++ {
++ .name = TMIO_FB_IRQ,
++ .start = IRQ_TC6393_FB,
++ .end = IRQ_TC6393_FB,
++ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_MFD_SUBDEVICE,
++ },
++};
++
++static struct mfd_cell tc6393xb_cells[] = {
++ {
++ .name = "tmio-nand",
++ .enable = tc6393xb_nand_enable,
++ .disable = tc6393xb_nand_disable,
++ .num_resources = ARRAY_SIZE(tc6393xb_nand_resources),
++ .resources = tc6393xb_nand_resources,
++ },
++ {
++ .name = "tmio-ohci",
++ .enable = tc6393xb_ohci_enable,
++ .disable = tc6393xb_ohci_disable,
++ .num_resources = ARRAY_SIZE(tc6393xb_ohci_resources),
++ .resources = tc6393xb_ohci_resources,
++ },
++ {
++ .name = "tmio-fb",
++ .enable = tc6393xb_fb_enable,
++ .disable = tc6393xb_fb_disable,
++ .suspend = tc6393xb_fb_suspend,
++ .resume = tc6393xb_fb_resume,
++ .num_resources = ARRAY_SIZE(tc6393xb_fb_resources),
++ .resources = tc6393xb_fb_resources,
++ },
++ {
++ .name = "tmio-mmc",
++ .enable = tc6393xb_mmc_enable,
++ .disable = tc6393xb_mmc_disable,
++ .num_resources = ARRAY_SIZE(tc6393xb_mmc_resources),
++ .resources = tc6393xb_mmc_resources,
++ },
++};
++
++/*--------------------------------------------------------------------------*/
++
++static void
++tc6393xb_irq(unsigned int irq, struct irq_desc *desc)
++{
++ struct platform_device *dev = get_irq_chip_data(irq);
++ struct tc6393xb_platform_data *tcpd = dev->dev.platform_data;
++ struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
++ struct tc6393xb_scr __iomem *scr = tc6393xb->scr;
++ unsigned int isr;
++ unsigned int i;
++
++ desc->chip->ack(irq);
++
++ while ((isr = ioread8(&scr->isr) & ~ioread8(&scr->imr)))
++ for (i = 0; i < TC6393XB_NR_IRQS; i++) {
++ if (isr & (1 << i))
++ desc_handle_irq(tcpd->irq_base + i,
++ irq_desc + tcpd->irq_base + i);
++ }
++}
++
++static void tc6393xb_irq_ack(unsigned int irq)
++{
++}
++
++static void tc6393xb_irq_mask(unsigned int irq)
++{
++ struct platform_device *dev = get_irq_chip_data(irq);
++ struct tc6393xb_platform_data *tcpd = dev->dev.platform_data;
++ struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
++ struct tc6393xb_scr __iomem *scr = tc6393xb->scr;
++ unsigned long flags;
++
++ spin_lock_irqsave(&tc6393xb->lock, flags);
++ iowrite8(ioread8(&scr->imr) | (1 << (irq - tcpd->irq_base)),
++ &scr->imr);
++ spin_unlock_irqrestore(&tc6393xb->lock, flags);
++}
++
++static void tc6393xb_irq_unmask(unsigned int irq)
++{
++ struct platform_device *dev = get_irq_chip_data(irq);
++ struct tc6393xb_platform_data *tcpd = dev->dev.platform_data;
++ struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
++ struct tc6393xb_scr __iomem *scr = tc6393xb->scr;
++ unsigned long flags;
++
++ spin_lock_irqsave(&tc6393xb->lock, flags);
++ iowrite8(ioread8(&scr->imr) & ~(1 << (irq - tcpd->irq_base)),
++ &scr->imr);
++ spin_unlock_irqrestore(&tc6393xb->lock, flags);
++}
++
++static struct irq_chip tc6393xb_chip = {
++ .name = "tc6393xb",
++ .ack = tc6393xb_irq_ack,
++ .mask = tc6393xb_irq_mask,
++ .unmask = tc6393xb_irq_unmask,
++};
++
++static void tc6393xb_attach_irq(struct platform_device *dev)
++{
++ struct tc6393xb_platform_data *tcpd = dev->dev.platform_data;
++ struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
++ unsigned int irq;
++
++ for (
++ irq = tcpd->irq_base;
++ irq <= tcpd->irq_base + TC6393XB_NR_IRQS;
++ irq++) {
++ set_irq_chip(irq, &tc6393xb_chip);
++ set_irq_chip_data(irq, dev);
++ set_irq_handler(irq, handle_edge_irq);
++ set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
++ }
++
++ set_irq_type(tc6393xb->irq, IRQT_FALLING);
++ set_irq_chip_data(tc6393xb->irq, dev);
++ set_irq_chained_handler(tc6393xb->irq, tc6393xb_irq);
++}
++
++static void tc6393xb_detach_irq(struct platform_device *dev)
++{
++ struct tc6393xb_platform_data *tcpd = dev->dev.platform_data;
++ struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
++ unsigned int irq;
++
++ set_irq_chained_handler(tc6393xb->irq, NULL);
++ set_irq_chip_data(tc6393xb->irq, NULL);
++
++ for (
++ irq = tcpd->irq_base;
++ irq <= tcpd->irq_base + TC6393XB_NR_IRQS;
++ irq++) {
++ set_irq_flags(irq, 0);
++ set_irq_chip(irq, NULL);
++ set_irq_chip_data(irq, NULL);
++ }
++}
++
++static int tc6393xb_hw_init(struct platform_device *dev, int resume)
++{
++ struct tc6393xb_platform_data *tcpd = dev->dev.platform_data;
++ struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
++ struct tc6393xb_scr __iomem *scr = tc6393xb->scr;
++ int ret;
++ int i;
++
++ if (resume)
++ ret = tcpd->resume(dev);
++ else
++ ret = tcpd->enable(dev);
++ if (ret)
++ return ret;
++
++ iowrite8(resume ?
++ tc6393xb->suspend_state.fer.raw :
++ 0, &scr->fer);
++ iowrite16(tcpd->scr_pll2cr, &scr->pll2cr);
++ iowrite16(resume?
++ tc6393xb->suspend_state.ccr.raw :
++ tcpd->scr_ccr.raw, &scr->ccr);
++ iowrite16(tcpd->scr_mcr.raw, &scr->mcr);
++ iowrite16(tcpd->scr_gper, &scr->gper);
++ iowrite8(0, &scr->irr);
++ iowrite8(0xbf, &scr->imr);
++ iowrite16(tcpd->scr_gpo_dsr, scr->gpo_dsr + 0);
++ iowrite16(tcpd->scr_gpo_dsr >> 16, scr->gpo_dsr + 1);
++ iowrite16(tcpd->scr_gpo_doecr, scr->gpo_doecr + 0);
++ iowrite16(tcpd->scr_gpo_doecr >> 16, scr->gpo_doecr + 1);
++
++ if (resume)
++ for (i = 0; i < 4; i++)
++ iowrite8(tc6393xb->suspend_state.gpi_bcr[i],
++ scr->gpi_bcr + i);
++
++ return 0;
++}
++
++static int __devinit tc6393xb_probe(struct platform_device *dev)
++{
++ struct tc6393xb_platform_data *tcpd = dev->dev.platform_data;
++ struct tc6393xb *tc6393xb;
++ struct resource *iomem;
++ struct resource *rscr;
++ int retval;
++
++ iomem = platform_get_resource(dev, IORESOURCE_MEM, 0);
++ if (!iomem)
++ return -EINVAL;
++
++ tc6393xb = kzalloc(sizeof *tc6393xb, GFP_KERNEL);
++ if (!tc6393xb) {
++ retval = -ENOMEM;
++ goto err_kzalloc;
++ }
++
++ spin_lock_init(&tc6393xb->lock);
++
++ platform_set_drvdata(dev, tc6393xb);
++ tc6393xb->iomem = iomem;
++ tc6393xb->irq = platform_get_irq(dev, 0);
++
++ rscr = &tc6393xb->rscr;
++ rscr->name = "tc6393xb-core";
++ rscr->start = iomem->start;
++ rscr->end = iomem->start + 0xff;
++ rscr->flags = IORESOURCE_MEM;
++
++ retval = request_resource(iomem, rscr);
++ if (retval)
++ goto err_request_scr;
++
++ tc6393xb->scr = ioremap(rscr->start, rscr->end - rscr->start + 1);
++ if (!tc6393xb->scr) {
++ retval = -ENOMEM;
++ goto err_ioremap;
++ }
++
++ retval = tc6393xb_hw_init(dev, 0);
++ if (retval)
++ goto err_hw_init;
++
++ printk(KERN_INFO "Toshiba tc6393xb revision %d at 0x%08lx, irq %d\n",
++ ioread8(&tc6393xb->scr->revid),
++ (unsigned long) iomem->start, tc6393xb->irq);
++
++ if (tc6393xb->irq)
++ tc6393xb_attach_irq(dev);
++
++ tc6393xb_cells[0].driver_data = tcpd->nand_data;
++ tc6393xb_cells[1].driver_data = NULL; /* tcpd->ohci_data; */
++ tc6393xb_cells[2].driver_data = tcpd->fb_data;
++
++ retval = mfd_add_devices(dev,
++ tc6393xb_cells, ARRAY_SIZE(tc6393xb_cells),
++ iomem, 0, tcpd->irq_base);
++
++ if (retval == 0)
++ return 0;
++
++ if (tc6393xb->irq)
++ tc6393xb_detach_irq(dev);
++
++err_hw_init:
++ iounmap(tc6393xb->scr);
++err_ioremap:
++ release_resource(rscr);
++err_request_scr:
++ kfree(tc6393xb);
++err_kzalloc:
++ release_resource(iomem);
++ return retval;
++}
++
++static int __devexit tc6393xb_remove(struct platform_device *dev) {
++ struct tc6393xb_platform_data *tcpd = dev->dev.platform_data;
++ struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
++ int ret;
++
++ if (tc6393xb->irq)
++ tc6393xb_detach_irq(dev);
++
++ ret = tcpd->disable(dev);
++
++ iounmap(tc6393xb->scr);
++ release_resource(&tc6393xb->rscr);
++ release_resource(tc6393xb->iomem);
++
++ mfd_remove_devices(dev);
++
++ platform_set_drvdata(dev, NULL);
++
++ kfree(tc6393xb);
++
++ return ret;
++}
++
++#ifdef CONFIG_PM
++static int tc6393xb_suspend(struct platform_device *dev, pm_message_t state)
++{
++ struct tc6393xb_platform_data *tcpd = dev->dev.platform_data;
++ struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
++ struct tc6393xb_scr __iomem *scr = tc6393xb->scr;
++ int i;
++
++
++ tc6393xb->suspend_state.ccr.raw = ioread16(&scr->ccr);
++ tc6393xb->suspend_state.fer.raw = ioread8(&scr->fer);
++ for (i = 0; i < 4; i++)
++ tc6393xb->suspend_state.gpi_bcr[i] =
++ ioread8(scr->gpi_bcr + i);
++
++ return tcpd->suspend(dev);
++}
++
++static int tc6393xb_resume(struct platform_device *dev)
++{
++ return tc6393xb_hw_init(dev, 1);
++}
++#else
++#define tc6393xb_suspend NULL
++#define tc6393xb_resume NULL
++#endif
++
++static struct platform_driver tc6393xb_driver = {
++ .probe = tc6393xb_probe,
++ .remove = __devexit_p(tc6393xb_remove),
++ .suspend = tc6393xb_suspend,
++ .resume = tc6393xb_resume,
++
++ .driver = {
++ .name = "tc6393xb",
++ .owner = THIS_MODULE,
++ },
++};
++
++static int __init tc6393xb_init(void)
++{
++ return platform_driver_register(&tc6393xb_driver);
++}
++
++static void __exit tc6393xb_exit(void)
++{
++ platform_driver_unregister(&tc6393xb_driver);
++}
++
++module_init(tc6393xb_init);
++module_exit(tc6393xb_exit);
++
++MODULE_LICENSE("GPL");
++MODULE_AUTHOR("Ian Molton, Dmitry Baryshkov and Dirk Opfer");
++MODULE_DESCRIPTION("tc6393xb Toshiba Mobile IO Controller");
+diff --git a/include/linux/mfd/tc6393xb.h b/include/linux/mfd/tc6393xb.h
+new file mode 100644
+index 0000000..e699294
+--- /dev/null
++++ b/include/linux/mfd/tc6393xb.h
+@@ -0,0 +1,108 @@
++/*
++ * Toshiba TC6393XB SoC support
++ *
++ * Copyright(c) 2005-2006 Chris Humbert
++ * Copyright(c) 2005 Dirk Opfer
++ * Copyright(c) 2005 Ian Molton <spyro@f2s.com>
++ * Copyright(c) 2007 Dmitry Baryshkov
++ *
++ * Based on code written by Sharp/Lineo for 2.4 kernels
++ * Based on locomo.c
++ *
++ * 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 TC6393XB_H
++#define TC6393XB_H
++
++#include <linux/mfd-core.h>
++#include <linux/mfd/tmio.h>
++
++union tc6393xb_scr_fer {
++ u8 raw;
++struct {
++ unsigned usben:1; /* D0 USB enable */
++ unsigned lcdcven:1; /* D1 polysylicon TFT enable */
++ unsigned slcden:1; /* D2 SLCD enable */
++} __attribute__ ((packed)) bits;
++} __attribute__ ((packed));
++
++union tc6393xb_scr_ccr {
++ u16 raw;
++struct {
++ unsigned ck32ken:1; /* D0 SD host clock enable */
++ unsigned usbcken:1; /* D1 USB host clock enable */
++ unsigned x00:2;
++ unsigned sharp:1; /* D4 ??? set in Sharp's code */
++ unsigned x01:3;
++ enum { disable = 0,
++ m12MHz = 1,
++ m24MHz = 2,
++ m48MHz = 3,
++ } mclksel:3; /* D10-D8 LCD controller clock */
++ unsigned x02:1;
++ enum { h24MHz = 0,
++ h48MHz = 1,
++ } hclksel:2; /* D13-D12 host bus clock */
++ unsigned x03:2;
++} __attribute__ ((packed)) bits;
++} __attribute__ ((packed));
++
++enum pincontrol {
++ opendrain = 0,
++ tristate = 1,
++ pushpull = 2,
++ /* reserved = 3, */
++};
++
++union tc6393xb_scr_mcr {
++ u16 raw;
++struct {
++ enum pincontrol rdyst:2; /* D1-D0 HRDY control */
++ unsigned x00:1;
++ unsigned aren:1; /* D3 HRDY pull up resistance cut off */
++ enum pincontrol intst:2; /* D5-D4 #HINT control */
++ unsigned x01:1;
++ unsigned aien:1; /* D7 #HINT pull up resitance cut off */
++ unsigned x02:8;
++} __attribute__ ((packed)) bits;
++} __attribute__ ((packed));
++
++struct tc6393xb_platform_data {
++ u16 scr_pll2cr; /* PLL2 Control */
++ union tc6393xb_scr_ccr scr_ccr; /* Clock Control */
++ union tc6393xb_scr_mcr scr_mcr; /* Mode Control */
++ u16 scr_gper; /* GP Enable */
++ u32 scr_gpo_doecr; /* GPO Data OE Control */
++ u32 scr_gpo_dsr; /* GPO Data Set */
++
++ int (*enable)(struct platform_device *dev);
++ int (*disable)(struct platform_device *dev);
++ int (*suspend)(struct platform_device *dev);
++ int (*resume)(struct platform_device *dev);
++
++ int irq_base; /* a base for cascaded irq */
++
++ struct tmio_nand_data *nand_data;
++ struct tmio_fb_data *fb_data;
++};
++
++extern int tc6393xb_lcd_set_power(struct platform_device *fb_dev, bool on);
++extern int tc6393xb_lcd_mode(struct platform_device *fb_dev,
++ struct fb_videomode *mode);
++
++
++/*
++ * Relative to irq_base
++ */
++#define IRQ_TC6393_NAND 0
++#define IRQ_TC6393_MMC 1
++#define IRQ_TC6393_OHCI 2
++#define IRQ_TC6393_SERIAL 3
++#define IRQ_TC6393_FB 4
++
++#define TC6393XB_NR_IRQS 8
++
++#endif
+--
+1.5.3.8
+
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-06-13 00:57:13 +0000