#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 */
enum {
TC6393XB_CELL_NAND,
TC6393XB_CELL_MMC,
+ TC6393XB_CELL_OHCI,
+ TC6393XB_CELL_FB,
};
/*--------------------------------------------------------------------------*/
.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 __devinitdata 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 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 __devinitdata tc6393xb_cells[] = {
[TC6393XB_CELL_NAND] = {
.name = "tmio-nand",
},
[TC6393XB_CELL_MMC] = {
.name = "tmio-mmc",
+ .enable = tc6393xb_mmc_enable,
+ .resume = tc6393xb_mmc_resume,
+ .driver_data = &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,
+ },
};
/*--------------------------------------------------------------------------*/
/*--------------------------------------------------------------------------*/
-static int tc6393xb_hw_init(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 *tc6393xb;
struct resource *iomem, *rscr;
int ret, temp;
- int i;
iomem = platform_get_resource(dev, IORESOURCE_MEM, 0);
if (!iomem)
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;
if (ret)
goto err_enable;
- tc6393xb->suspend_state.fer = 0;
-
- 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),
&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]);
+ tc6393xb_cells[TC6393XB_CELL_OHCI].platform_data =
+ &tc6393xb_cells[TC6393XB_CELL_OHCI];
+ tc6393xb_cells[TC6393XB_CELL_OHCI].data_size =
+ sizeof(tc6393xb_cells[TC6393XB_CELL_OHCI]);
+
+ tc6393xb_cells[TC6393XB_CELL_FB].driver_data = tcpd->fb_data;
+ tc6393xb_cells[TC6393XB_CELL_FB].platform_data =
+ &tc6393xb_cells[TC6393XB_CELL_FB];
+ tc6393xb_cells[TC6393XB_CELL_FB].data_size =
+ sizeof(tc6393xb_cells[TC6393XB_CELL_FB]);
ret = mfd_add_devices(&dev->dev, dev->id,
tc6393xb_cells, ARRAY_SIZE(tc6393xb_cells),
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);
struct tc6393xb_platform_data *tcpd = dev->dev.platform_data;
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
MODULE_AUTHOR("Ian Molton, Dmitry Baryshkov and Dirk Opfer");
MODULE_DESCRIPTION("tc6393xb Toshiba Mobile IO Controller");
MODULE_ALIAS("platform:tc6393xb");
+
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff