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path: root/drivers/mfd/tc6393xb.c
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Diffstat (limited to 'drivers/mfd/tc6393xb.c')
-rw-r--r--drivers/mfd/tc6393xb.c425
1 files changed, 327 insertions, 98 deletions
diff --git a/drivers/mfd/tc6393xb.c b/drivers/mfd/tc6393xb.c
index e4c1c788b5f..11c19e53855 100644
--- a/drivers/mfd/tc6393xb.c
+++ b/drivers/mfd/tc6393xb.c
@@ -25,6 +25,7 @@
#include <linux/mfd/tmio.h>
#include <linux/mfd/tc6393xb.h>
#include <linux/gpio.h>
+#include <linux/slab.h>
#define SCR_REVID 0x08 /* b Revision ID */
#define SCR_ISR 0x50 /* b Interrupt Status */
@@ -113,6 +114,8 @@ struct tc6393xb {
enum {
TC6393XB_CELL_NAND,
TC6393XB_CELL_MMC,
+ TC6393XB_CELL_OHCI,
+ TC6393XB_CELL_FB,
};
/*--------------------------------------------------------------------------*/
@@ -134,7 +137,7 @@ static int tc6393xb_nand_enable(struct platform_device *nand)
return 0;
}
-static struct resource __devinitdata tc6393xb_nand_resources[] = {
+static struct resource tc6393xb_nand_resources[] = {
{
.start = 0x1000,
.end = 0x1007,
@@ -152,25 +155,234 @@ static struct resource __devinitdata tc6393xb_nand_resources[] = {
},
};
-static struct resource __devinitdata tc6393xb_mmc_resources[] = {
+static struct resource tc6393xb_mmc_resources[] = {
{
.start = 0x800,
.end = 0x9ff,
.flags = IORESOURCE_MEM,
},
{
- .start = 0x200,
- .end = 0x2ff,
+ .start = IRQ_TC6393_MMC,
+ .end = IRQ_TC6393_MMC,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static const struct resource tc6393xb_ohci_resources[] = {
+ {
+ .start = 0x3000,
+ .end = 0x31ff,
.flags = IORESOURCE_MEM,
},
{
- .start = IRQ_TC6393_MMC,
- .end = IRQ_TC6393_MMC,
+ .start = 0x0300,
+ .end = 0x03ff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = 0x010000,
+ .end = 0x017fff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = 0x018000,
+ .end = 0x01ffff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = IRQ_TC6393_OHCI,
+ .end = IRQ_TC6393_OHCI,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct resource tc6393xb_fb_resources[] = {
+ {
+ .start = 0x5000,
+ .end = 0x51ff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = 0x0500,
+ .end = 0x05ff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = 0x100000,
+ .end = 0x1fffff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = IRQ_TC6393_FB,
+ .end = IRQ_TC6393_FB,
.flags = IORESOURCE_IRQ,
},
};
-static struct mfd_cell __devinitdata tc6393xb_cells[] = {
+static int tc6393xb_ohci_enable(struct platform_device *dev)
+{
+ struct tc6393xb *tc6393xb = dev_get_drvdata(dev->dev.parent);
+ unsigned long flags;
+ u16 ccr;
+ u8 fer;
+
+ spin_lock_irqsave(&tc6393xb->lock, flags);
+
+ ccr = tmio_ioread16(tc6393xb->scr + SCR_CCR);
+ ccr |= SCR_CCR_USBCK;
+ tmio_iowrite16(ccr, tc6393xb->scr + SCR_CCR);
+
+ fer = tmio_ioread8(tc6393xb->scr + SCR_FER);
+ fer |= SCR_FER_USBEN;
+ tmio_iowrite8(fer, tc6393xb->scr + SCR_FER);
+
+ spin_unlock_irqrestore(&tc6393xb->lock, flags);
+
+ return 0;
+}
+
+static int tc6393xb_ohci_disable(struct platform_device *dev)
+{
+ struct tc6393xb *tc6393xb = dev_get_drvdata(dev->dev.parent);
+ unsigned long flags;
+ u16 ccr;
+ u8 fer;
+
+ spin_lock_irqsave(&tc6393xb->lock, flags);
+
+ fer = tmio_ioread8(tc6393xb->scr + SCR_FER);
+ fer &= ~SCR_FER_USBEN;
+ tmio_iowrite8(fer, tc6393xb->scr + SCR_FER);
+
+ ccr = tmio_ioread16(tc6393xb->scr + SCR_CCR);
+ ccr &= ~SCR_CCR_USBCK;
+ tmio_iowrite16(ccr, tc6393xb->scr + SCR_CCR);
+
+ spin_unlock_irqrestore(&tc6393xb->lock, flags);
+
+ return 0;
+}
+
+static int tc6393xb_fb_enable(struct platform_device *dev)
+{
+ struct tc6393xb *tc6393xb = dev_get_drvdata(dev->dev.parent);
+ unsigned long flags;
+ u16 ccr;
+
+ spin_lock_irqsave(&tc6393xb->lock, flags);
+
+ ccr = tmio_ioread16(tc6393xb->scr + SCR_CCR);
+ ccr &= ~SCR_CCR_MCLK_MASK;
+ ccr |= SCR_CCR_MCLK_48;
+ tmio_iowrite16(ccr, tc6393xb->scr + SCR_CCR);
+
+ spin_unlock_irqrestore(&tc6393xb->lock, flags);
+
+ return 0;
+}
+
+static int tc6393xb_fb_disable(struct platform_device *dev)
+{
+ struct tc6393xb *tc6393xb = dev_get_drvdata(dev->dev.parent);
+ unsigned long flags;
+ u16 ccr;
+
+ spin_lock_irqsave(&tc6393xb->lock, flags);
+
+ ccr = tmio_ioread16(tc6393xb->scr + SCR_CCR);
+ ccr &= ~SCR_CCR_MCLK_MASK;
+ ccr |= SCR_CCR_MCLK_OFF;
+ tmio_iowrite16(ccr, tc6393xb->scr + SCR_CCR);
+
+ 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);
+ u8 fer;
+ unsigned long flags;
+
+ spin_lock_irqsave(&tc6393xb->lock, flags);
+
+ fer = ioread8(tc6393xb->scr + SCR_FER);
+ if (on)
+ fer |= SCR_FER_SLCDEN;
+ else
+ fer &= ~SCR_FER_SLCDEN;
+ iowrite8(fer, tc6393xb->scr + SCR_FER);
+
+ spin_unlock_irqrestore(&tc6393xb->lock, flags);
+
+ return 0;
+}
+EXPORT_SYMBOL(tc6393xb_lcd_set_power);
+
+int tc6393xb_lcd_mode(struct platform_device *fb,
+ const struct fb_videomode *mode) {
+ struct platform_device *dev = to_platform_device(fb->dev.parent);
+ struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
+ unsigned long flags;
+
+ spin_lock_irqsave(&tc6393xb->lock, flags);
+
+ iowrite16(mode->pixclock, tc6393xb->scr + SCR_PLL1CR + 0);
+ iowrite16(mode->pixclock >> 16, tc6393xb->scr + SCR_PLL1CR + 2);
+
+ spin_unlock_irqrestore(&tc6393xb->lock, flags);
+
+ return 0;
+}
+EXPORT_SYMBOL(tc6393xb_lcd_mode);
+
+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);
+
+ tmio_core_mmc_enable(tc6393xb->scr + 0x200, 0,
+ tc6393xb_mmc_resources[0].start & 0xfffe);
+
+ return 0;
+}
+
+static int tc6393xb_mmc_resume(struct platform_device *mmc)
+{
+ struct platform_device *dev = to_platform_device(mmc->dev.parent);
+ struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
+
+ tmio_core_mmc_resume(tc6393xb->scr + 0x200, 0,
+ tc6393xb_mmc_resources[0].start & 0xfffe);
+
+ return 0;
+}
+
+static void tc6393xb_mmc_pwr(struct platform_device *mmc, int state)
+{
+ struct platform_device *dev = to_platform_device(mmc->dev.parent);
+ struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
+
+ tmio_core_mmc_pwr(tc6393xb->scr + 0x200, 0, state);
+}
+
+static void tc6393xb_mmc_clk_div(struct platform_device *mmc, int state)
+{
+ struct platform_device *dev = to_platform_device(mmc->dev.parent);
+ struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
+
+ tmio_core_mmc_clk_div(tc6393xb->scr + 0x200, 0, state);
+}
+
+static struct tmio_mmc_data tc6393xb_mmc_data = {
+ .hclk = 24000000,
+ .set_pwr = tc6393xb_mmc_pwr,
+ .set_clk_div = tc6393xb_mmc_clk_div,
+};
+
+static struct mfd_cell tc6393xb_cells[] = {
[TC6393XB_CELL_NAND] = {
.name = "tmio-nand",
.enable = tc6393xb_nand_enable,
@@ -179,9 +391,31 @@ static struct mfd_cell __devinitdata tc6393xb_cells[] = {
},
[TC6393XB_CELL_MMC] = {
.name = "tmio-mmc",
+ .enable = tc6393xb_mmc_enable,
+ .resume = tc6393xb_mmc_resume,
+ .platform_data = &tc6393xb_mmc_data,
+ .pdata_size = sizeof(tc6393xb_mmc_data),
.num_resources = ARRAY_SIZE(tc6393xb_mmc_resources),
.resources = tc6393xb_mmc_resources,
},
+ [TC6393XB_CELL_OHCI] = {
+ .name = "tmio-ohci",
+ .num_resources = ARRAY_SIZE(tc6393xb_ohci_resources),
+ .resources = tc6393xb_ohci_resources,
+ .enable = tc6393xb_ohci_enable,
+ .suspend = tc6393xb_ohci_disable,
+ .resume = tc6393xb_ohci_enable,
+ .disable = tc6393xb_ohci_disable,
+ },
+ [TC6393XB_CELL_FB] = {
+ .name = "tmio-fb",
+ .num_resources = ARRAY_SIZE(tc6393xb_fb_resources),
+ .resources = tc6393xb_fb_resources,
+ .enable = tc6393xb_fb_enable,
+ .suspend = tc6393xb_fb_disable,
+ .resume = tc6393xb_fb_enable,
+ .disable = tc6393xb_fb_disable,
+ },
};
/*--------------------------------------------------------------------------*/
@@ -280,7 +514,7 @@ static int tc6393xb_register_gpio(struct tc6393xb *tc6393xb, int gpio_base)
static void
tc6393xb_irq(unsigned int irq, struct irq_desc *desc)
{
- struct tc6393xb *tc6393xb = get_irq_data(irq);
+ struct tc6393xb *tc6393xb = irq_get_handler_data(irq);
unsigned int isr;
unsigned int i, irq_base;
@@ -294,41 +528,41 @@ tc6393xb_irq(unsigned int irq, struct irq_desc *desc)
}
}
-static void tc6393xb_irq_ack(unsigned int irq)
+static void tc6393xb_irq_ack(struct irq_data *data)
{
}
-static void tc6393xb_irq_mask(unsigned int irq)
+static void tc6393xb_irq_mask(struct irq_data *data)
{
- struct tc6393xb *tc6393xb = get_irq_chip_data(irq);
+ struct tc6393xb *tc6393xb = irq_data_get_irq_chip_data(data);
unsigned long flags;
u8 imr;
spin_lock_irqsave(&tc6393xb->lock, flags);
imr = tmio_ioread8(tc6393xb->scr + SCR_IMR);
- imr |= 1 << (irq - tc6393xb->irq_base);
+ imr |= 1 << (data->irq - tc6393xb->irq_base);
tmio_iowrite8(imr, tc6393xb->scr + SCR_IMR);
spin_unlock_irqrestore(&tc6393xb->lock, flags);
}
-static void tc6393xb_irq_unmask(unsigned int irq)
+static void tc6393xb_irq_unmask(struct irq_data *data)
{
- struct tc6393xb *tc6393xb = get_irq_chip_data(irq);
+ struct tc6393xb *tc6393xb = irq_data_get_irq_chip_data(data);
unsigned long flags;
u8 imr;
spin_lock_irqsave(&tc6393xb->lock, flags);
imr = tmio_ioread8(tc6393xb->scr + SCR_IMR);
- imr &= ~(1 << (irq - tc6393xb->irq_base));
+ imr &= ~(1 << (data->irq - tc6393xb->irq_base));
tmio_iowrite8(imr, tc6393xb->scr + 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,
+ .name = "tc6393xb",
+ .irq_ack = tc6393xb_irq_ack,
+ .irq_mask = tc6393xb_irq_mask,
+ .irq_unmask = tc6393xb_irq_unmask,
};
static void tc6393xb_attach_irq(struct platform_device *dev)
@@ -339,15 +573,14 @@ static void tc6393xb_attach_irq(struct platform_device *dev)
irq_base = tc6393xb->irq_base;
for (irq = irq_base; irq < irq_base + TC6393XB_NR_IRQS; irq++) {
- set_irq_chip(irq, &tc6393xb_chip);
- set_irq_chip_data(irq, tc6393xb);
- set_irq_handler(irq, handle_edge_irq);
+ irq_set_chip_and_handler(irq, &tc6393xb_chip, handle_edge_irq);
+ irq_set_chip_data(irq, tc6393xb);
set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
}
- set_irq_type(tc6393xb->irq, IRQ_TYPE_EDGE_FALLING);
- set_irq_data(tc6393xb->irq, tc6393xb);
- set_irq_chained_handler(tc6393xb->irq, tc6393xb_irq);
+ irq_set_irq_type(tc6393xb->irq, IRQ_TYPE_EDGE_FALLING);
+ irq_set_handler_data(tc6393xb->irq, tc6393xb);
+ irq_set_chained_handler(tc6393xb->irq, tc6393xb_irq);
}
static void tc6393xb_detach_irq(struct platform_device *dev)
@@ -355,55 +588,26 @@ static void tc6393xb_detach_irq(struct platform_device *dev)
struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
unsigned int irq, irq_base;
- set_irq_chained_handler(tc6393xb->irq, NULL);
- set_irq_data(tc6393xb->irq, NULL);
+ irq_set_chained_handler(tc6393xb->irq, NULL);
+ irq_set_handler_data(tc6393xb->irq, NULL);
irq_base = tc6393xb->irq_base;
for (irq = irq_base; irq < irq_base + TC6393XB_NR_IRQS; irq++) {
set_irq_flags(irq, 0);
- set_irq_chip(irq, NULL);
- set_irq_chip_data(irq, NULL);
+ irq_set_chip(irq, NULL);
+ irq_set_chip_data(irq, NULL);
}
}
/*--------------------------------------------------------------------------*/
-static int tc6393xb_hw_init(struct platform_device *dev)
+static int tc6393xb_probe(struct platform_device *dev)
{
- struct tc6393xb_platform_data *tcpd = dev->dev.platform_data;
- struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
- int i;
-
- iowrite8(tc6393xb->suspend_state.fer, tc6393xb->scr + SCR_FER);
- iowrite16(tcpd->scr_pll2cr, tc6393xb->scr + SCR_PLL2CR);
- iowrite16(tc6393xb->suspend_state.ccr, tc6393xb->scr + SCR_CCR);
- iowrite16(SCR_MCR_RDY_OPENDRAIN | SCR_MCR_RDY_UNK | SCR_MCR_RDY_EN |
- SCR_MCR_INT_OPENDRAIN | SCR_MCR_INT_UNK | SCR_MCR_INT_EN |
- BIT(15), tc6393xb->scr + SCR_MCR);
- iowrite16(tcpd->scr_gper, tc6393xb->scr + SCR_GPER);
- iowrite8(0, tc6393xb->scr + SCR_IRR);
- iowrite8(0xbf, tc6393xb->scr + SCR_IMR);
-
- for (i = 0; i < 3; i++) {
- iowrite8(tc6393xb->suspend_state.gpo_dsr[i],
- tc6393xb->scr + SCR_GPO_DSR(i));
- iowrite8(tc6393xb->suspend_state.gpo_doecr[i],
- tc6393xb->scr + SCR_GPO_DOECR(i));
- iowrite8(tc6393xb->suspend_state.gpi_bcr[i],
- tc6393xb->scr + 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_platform_data *tcpd = dev_get_platdata(&dev->dev);
struct tc6393xb *tc6393xb;
struct resource *iomem, *rscr;
int ret, temp;
- int i;
iomem = platform_get_resource(dev, IORESOURCE_MEM, 0);
if (!iomem)
@@ -444,7 +648,7 @@ static int __devinit tc6393xb_probe(struct platform_device *dev)
if (ret)
goto err_request_scr;
- tc6393xb->scr = ioremap(rscr->start, rscr->end - rscr->start + 1);
+ tc6393xb->scr = ioremap(rscr->start, resource_size(rscr));
if (!tc6393xb->scr) {
ret = -ENOMEM;
goto err_ioremap;
@@ -458,21 +662,16 @@ static int __devinit tc6393xb_probe(struct platform_device *dev)
if (ret)
goto err_enable;
- tc6393xb->suspend_state.fer = 0;
-
- for (i = 0; i < 3; i++) {
- tc6393xb->suspend_state.gpo_dsr[i] =
- (tcpd->scr_gpo_dsr >> (8 * i)) & 0xff;
- tc6393xb->suspend_state.gpo_doecr[i] =
- (tcpd->scr_gpo_doecr >> (8 * i)) & 0xff;
- }
-
- tc6393xb->suspend_state.ccr = SCR_CCR_UNK1 |
- SCR_CCR_HCLK_48;
-
- ret = tc6393xb_hw_init(dev);
- if (ret)
- goto err_hw_init;
+ iowrite8(0, tc6393xb->scr + SCR_FER);
+ iowrite16(tcpd->scr_pll2cr, tc6393xb->scr + SCR_PLL2CR);
+ iowrite16(SCR_CCR_UNK1 | SCR_CCR_HCLK_48,
+ tc6393xb->scr + SCR_CCR);
+ iowrite16(SCR_MCR_RDY_OPENDRAIN | SCR_MCR_RDY_UNK | SCR_MCR_RDY_EN |
+ SCR_MCR_INT_OPENDRAIN | SCR_MCR_INT_UNK | SCR_MCR_INT_EN |
+ BIT(15), tc6393xb->scr + SCR_MCR);
+ iowrite16(tcpd->scr_gper, tc6393xb->scr + SCR_GPER);
+ iowrite8(0, tc6393xb->scr + SCR_IRR);
+ iowrite8(0xbf, tc6393xb->scr + SCR_IMR);
printk(KERN_INFO "Toshiba tc6393xb revision %d at 0x%08lx, irq %d\n",
tmio_ioread8(tc6393xb->scr + SCR_REVID),
@@ -488,34 +687,38 @@ static int __devinit tc6393xb_probe(struct platform_device *dev)
tc6393xb_attach_irq(dev);
- tc6393xb_cells[TC6393XB_CELL_NAND].driver_data = tcpd->nand_data;
- tc6393xb_cells[TC6393XB_CELL_NAND].platform_data =
- &tc6393xb_cells[TC6393XB_CELL_NAND];
- tc6393xb_cells[TC6393XB_CELL_NAND].data_size =
- sizeof(tc6393xb_cells[TC6393XB_CELL_NAND]);
- tc6393xb_cells[TC6393XB_CELL_MMC].platform_data =
- &tc6393xb_cells[TC6393XB_CELL_MMC];
- tc6393xb_cells[TC6393XB_CELL_MMC].data_size =
- sizeof(tc6393xb_cells[TC6393XB_CELL_MMC]);
+ if (tcpd->setup) {
+ ret = tcpd->setup(dev);
+ if (ret)
+ goto err_setup;
+ }
+ tc6393xb_cells[TC6393XB_CELL_NAND].platform_data = tcpd->nand_data;
+ tc6393xb_cells[TC6393XB_CELL_NAND].pdata_size =
+ sizeof(*tcpd->nand_data);
+ tc6393xb_cells[TC6393XB_CELL_FB].platform_data = tcpd->fb_data;
+ tc6393xb_cells[TC6393XB_CELL_FB].pdata_size = sizeof(*tcpd->fb_data);
ret = mfd_add_devices(&dev->dev, dev->id,
- tc6393xb_cells, ARRAY_SIZE(tc6393xb_cells),
- iomem, tcpd->irq_base);
+ tc6393xb_cells, ARRAY_SIZE(tc6393xb_cells),
+ iomem, tcpd->irq_base, NULL);
if (!ret)
return 0;
+ if (tcpd->teardown)
+ tcpd->teardown(dev);
+
+err_setup:
tc6393xb_detach_irq(dev);
err_gpio_add:
if (tc6393xb->gpio.base != -1)
temp = gpiochip_remove(&tc6393xb->gpio);
-err_hw_init:
tcpd->disable(dev);
-err_clk_enable:
- clk_disable(tc6393xb->clk);
err_enable:
+ clk_disable(tc6393xb->clk);
+err_clk_enable:
iounmap(tc6393xb->scr);
err_ioremap:
release_resource(&tc6393xb->rscr);
@@ -528,13 +731,17 @@ err_kzalloc:
return ret;
}
-static int __devexit tc6393xb_remove(struct platform_device *dev)
+static int tc6393xb_remove(struct platform_device *dev)
{
- struct tc6393xb_platform_data *tcpd = dev->dev.platform_data;
+ struct tc6393xb_platform_data *tcpd = dev_get_platdata(&dev->dev);
struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
int ret;
mfd_remove_devices(&dev->dev);
+
+ if (tcpd->teardown)
+ tcpd->teardown(dev);
+
tc6393xb_detach_irq(dev);
if (tc6393xb->gpio.base != -1) {
@@ -549,7 +756,6 @@ static int __devexit tc6393xb_remove(struct platform_device *dev)
clk_disable(tc6393xb->clk);
iounmap(tc6393xb->scr);
release_resource(&tc6393xb->rscr);
- platform_set_drvdata(dev, NULL);
clk_put(tc6393xb->clk);
kfree(tc6393xb);
@@ -559,7 +765,7 @@ static int __devexit tc6393xb_remove(struct platform_device *dev)
#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_platform_data *tcpd = dev_get_platdata(&dev->dev);
struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
int i, ret;
@@ -582,18 +788,40 @@ static int tc6393xb_suspend(struct platform_device *dev, pm_message_t state)
static int tc6393xb_resume(struct platform_device *dev)
{
- struct tc6393xb_platform_data *tcpd = dev->dev.platform_data;
+ struct tc6393xb_platform_data *tcpd = dev_get_platdata(&dev->dev);
struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
int ret;
+ int i;
clk_enable(tc6393xb->clk);
ret = tcpd->resume(dev);
-
if (ret)
return ret;
- return tc6393xb_hw_init(dev);
+ if (!tcpd->resume_restore)
+ return 0;
+
+ iowrite8(tc6393xb->suspend_state.fer, tc6393xb->scr + SCR_FER);
+ iowrite16(tcpd->scr_pll2cr, tc6393xb->scr + SCR_PLL2CR);
+ iowrite16(tc6393xb->suspend_state.ccr, tc6393xb->scr + SCR_CCR);
+ iowrite16(SCR_MCR_RDY_OPENDRAIN | SCR_MCR_RDY_UNK | SCR_MCR_RDY_EN |
+ SCR_MCR_INT_OPENDRAIN | SCR_MCR_INT_UNK | SCR_MCR_INT_EN |
+ BIT(15), tc6393xb->scr + SCR_MCR);
+ iowrite16(tcpd->scr_gper, tc6393xb->scr + SCR_GPER);
+ iowrite8(0, tc6393xb->scr + SCR_IRR);
+ iowrite8(0xbf, tc6393xb->scr + SCR_IMR);
+
+ for (i = 0; i < 3; i++) {
+ iowrite8(tc6393xb->suspend_state.gpo_dsr[i],
+ tc6393xb->scr + SCR_GPO_DSR(i));
+ iowrite8(tc6393xb->suspend_state.gpo_doecr[i],
+ tc6393xb->scr + SCR_GPO_DOECR(i));
+ iowrite8(tc6393xb->suspend_state.gpi_bcr[i],
+ tc6393xb->scr + SCR_GPI_BCR(i));
+ }
+
+ return 0;
}
#else
#define tc6393xb_suspend NULL
@@ -602,7 +830,7 @@ static int tc6393xb_resume(struct platform_device *dev)
static struct platform_driver tc6393xb_driver = {
.probe = tc6393xb_probe,
- .remove = __devexit_p(tc6393xb_remove),
+ .remove = tc6393xb_remove,
.suspend = tc6393xb_suspend,
.resume = tc6393xb_resume,
@@ -629,3 +857,4 @@ MODULE_LICENSE("GPL v2");
MODULE_AUTHOR("Ian Molton, Dmitry Baryshkov and Dirk Opfer");
MODULE_DESCRIPTION("tc6393xb Toshiba Mobile IO Controller");
MODULE_ALIAS("platform:tc6393xb");
+