diff options
Diffstat (limited to 'drivers')
33 files changed, 1735 insertions, 446 deletions
diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c index eb69fba..dde6ce9 100644 --- a/drivers/i2c/busses/i2c-pxa.c +++ b/drivers/i2c/busses/i2c-pxa.c @@ -39,7 +39,6 @@ #include <asm/io.h> #include <asm/arch/i2c.h> #include <asm/arch/pxa-regs.h> -#include <asm/arch/pxa2xx-gpio.h> struct pxa_i2c { spinlock_t lock; @@ -945,32 +944,6 @@ static const struct i2c_algorithm i2c_pxa_pio_algorithm = { .functionality = i2c_pxa_functionality, }; -static void i2c_pxa_enable(struct platform_device *dev) -{ - if (cpu_is_pxa27x()) { - switch (dev->id) { - case 0: - pxa_gpio_mode(GPIO117_I2CSCL_MD); - pxa_gpio_mode(GPIO118_I2CSDA_MD); - break; - case 1: - local_irq_disable(); - PCFR |= PCFR_PI2CEN; - local_irq_enable(); - break; - } - } -} - -static void i2c_pxa_disable(struct platform_device *dev) -{ - if (cpu_is_pxa27x() && dev->id == 1) { - local_irq_disable(); - PCFR &= ~PCFR_PI2CEN; - local_irq_enable(); - } -} - #define res_len(r) ((r)->end - (r)->start + 1) static int i2c_pxa_probe(struct platform_device *dev) { @@ -1036,7 +1009,6 @@ static int i2c_pxa_probe(struct platform_device *dev) #endif clk_enable(i2c->clk); - i2c_pxa_enable(dev); if (plat) { i2c->adap.class = plat->class; @@ -1080,7 +1052,6 @@ eadapt: free_irq(irq, i2c); ereqirq: clk_disable(i2c->clk); - i2c_pxa_disable(dev); iounmap(i2c->reg_base); eremap: clk_put(i2c->clk); @@ -1103,7 +1074,6 @@ static int __exit i2c_pxa_remove(struct platform_device *dev) clk_disable(i2c->clk); clk_put(i2c->clk); - i2c_pxa_disable(dev); iounmap(i2c->reg_base); release_mem_region(i2c->iobase, i2c->iosize); diff --git a/drivers/input/keyboard/tosakbd.c b/drivers/input/keyboard/tosakbd.c index 94e444b..b12b7ee 100644 --- a/drivers/input/keyboard/tosakbd.c +++ b/drivers/input/keyboard/tosakbd.c @@ -215,8 +215,6 @@ static int tosakbd_suspend(struct platform_device *dev, pm_message_t state) unsigned long flags; spin_lock_irqsave(&tosakbd->lock, flags); - PGSR1 = (PGSR1 & ~TOSA_GPIO_LOW_STROBE_BIT); - PGSR2 = (PGSR2 & ~TOSA_GPIO_HIGH_STROBE_BIT); tosakbd->suspended = 1; spin_unlock_irqrestore(&tosakbd->lock, flags); diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index ae96bd6..0f6a885 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -5,6 +5,10 @@ menu "Multifunction device drivers" depends on HAS_IOMEM +config MFD_CORE + tristate + default n + config MFD_SM501 tristate "Support for Silicon Motion SM501" ---help--- @@ -38,6 +42,13 @@ config HTC_PASIC3 HTC Magician devices, respectively. Actual functionality is handled by the leds-pasic3 and ds1wm drivers. +config MFD_TC6393XB + bool "Support Toshiba TC6393XB" + depends on HAVE_GPIO_LIB + select MFD_CORE + help + Support for Toshiba Mobile IO Controller TC6393XB + endmenu menu "Multimedia Capabilities Port drivers" diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile index eef4e26..33daa2f 100644 --- a/drivers/mfd/Makefile +++ b/drivers/mfd/Makefile @@ -8,6 +8,10 @@ obj-$(CONFIG_MFD_ASIC3) += asic3.o obj-$(CONFIG_HTC_EGPIO) += htc-egpio.o obj-$(CONFIG_HTC_PASIC3) += htc-pasic3.o +obj-$(CONFIG_MFD_TC6393XB) += tc6393xb.o + +obj-$(CONFIG_MFD_CORE) += mfd-core.o + obj-$(CONFIG_MCP) += mcp-core.o obj-$(CONFIG_MCP_SA11X0) += mcp-sa11x0.o obj-$(CONFIG_MCP_UCB1200) += ucb1x00-core.o diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c new file mode 100644 index 0000000..d7d88ce --- /dev/null +++ b/drivers/mfd/mfd-core.c @@ -0,0 +1,114 @@ +/* + * drivers/mfd/mfd-core.c + * + * core MFD support + * Copyright (c) 2006 Ian Molton + * Copyright (c) 2007,2008 Dmitry Baryshkov + * + * 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/platform_device.h> +#include <linux/mfd/core.h> + +static int mfd_add_device(struct platform_device *parent, + const struct mfd_cell *cell, + struct resource *mem_base, + int irq_base) +{ + struct resource res[cell->num_resources]; + struct platform_device *pdev; + int ret = -ENOMEM; + int r; + + pdev = platform_device_alloc(cell->name, parent->id); + if (!pdev) + goto fail_alloc; + + pdev->dev.parent = &parent->dev; + + ret = platform_device_add_data(pdev, + cell, sizeof(struct mfd_cell)); + if (ret) + goto fail_device; + + memzero(res, sizeof(res)); + for (r = 0; r < cell->num_resources; r++) { + res[r].name = cell->resources[r].name; + res[r].flags = cell->resources[r].flags; + + /* Find out base to use */ + if (cell->resources[r].flags & IORESOURCE_MEM) { + res[r].parent = mem_base; + res[r].start = mem_base->start + + cell->resources[r].start; + res[r].end = mem_base->start + + cell->resources[r].end; + } else if (cell->resources[r].flags & IORESOURCE_IRQ) { + res[r].start = irq_base + + cell->resources[r].start; + res[r].end = irq_base + + cell->resources[r].end; + } else { + res[r].parent = cell->resources[r].parent; + res[r].start = cell->resources[r].start; + res[r].end = cell->resources[r].end; + } + } + + platform_device_add_resources(pdev, res, cell->num_resources); + + ret = platform_device_add(pdev); + if (ret) + goto fail_device; + + return 0; + +/* platform_device_del(pdev); */ +fail_device: + platform_device_put(pdev); +fail_alloc: + return ret; +} + +int mfd_add_devices( + struct platform_device *parent, + const struct mfd_cell *cells, int n_devs, + struct resource *mem_base, + int irq_base) +{ + int i; + int ret = 0; + + for (i = 0; i < n_devs; i++) { + ret = mfd_add_device(parent, cells + i, mem_base, irq_base); + if (ret) + break; + } + + if (ret) + mfd_remove_devices(parent); + + return ret; +} +EXPORT_SYMBOL(mfd_add_devices); + +static int mfd_remove_devices_fn(struct device *dev, void *unused) +{ + platform_device_unregister( + container_of(dev, struct platform_device, dev)); + return 0; +} + +void mfd_remove_devices(struct platform_device *parent) +{ + device_for_each_child(&parent->dev, NULL, mfd_remove_devices_fn); +} +EXPORT_SYMBOL(mfd_remove_devices); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Ian Molton, Dmitry Baryshkov"); diff --git a/drivers/mfd/tc6393xb.c b/drivers/mfd/tc6393xb.c new file mode 100644 index 0000000..2d87501 --- /dev/null +++ b/drivers/mfd/tc6393xb.c @@ -0,0 +1,600 @@ +/* + * 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/clk.h> +#include <linux/mfd/core.h> +#include <linux/mfd/tmio.h> +#include <linux/mfd/tc6393xb.h> +#include <linux/gpio.h> + +#define SCR_REVID 0x08 /* b Revision ID */ +#define SCR_ISR 0x50 /* b Interrupt Status */ +#define SCR_IMR 0x52 /* b Interrupt Mask */ +#define SCR_IRR 0x54 /* b Interrupt Routing */ +#define SCR_GPER 0x60 /* w GP Enable */ +#define SCR_GPI_SR(i) (0x64 + (i)) /* b3 GPI Status */ +#define SCR_GPI_IMR(i) (0x68 + (i)) /* b3 GPI INT Mask */ +#define SCR_GPI_EDER(i) (0x6c + (i)) /* b3 GPI Edge Detect Enable */ +#define SCR_GPI_LIR(i) (0x70 + (i)) /* b3 GPI Level Invert */ +#define SCR_GPO_DSR(i) (0x78 + (i)) /* b3 GPO Data Set */ +#define SCR_GPO_DOECR(i) (0x7c + (i)) /* b3 GPO Data OE Control */ +#define SCR_GP_IARCR(i) (0x80 + (i)) /* b3 GP Internal Active Register Control */ +#define SCR_GP_IARLCR(i) (0x84 + (i)) /* b3 GP INTERNAL Active Register Level Control */ +#define SCR_GPI_BCR(i) (0x88 + (i)) /* b3 GPI Buffer Control */ +#define SCR_GPA_IARCR 0x8c /* w GPa Internal Active Register Control */ +#define SCR_GPA_IARLCR 0x90 /* w GPa Internal Active Register Level Control */ +#define SCR_GPA_BCR 0x94 /* w GPa Buffer Control */ +#define SCR_CCR 0x98 /* w Clock Control */ +#define SCR_PLL2CR 0x9a /* w PLL2 Control */ +#define SCR_PLL1CR 0x9c /* l PLL1 Control */ +#define SCR_DIARCR 0xa0 /* b Device Internal Active Register Control */ +#define SCR_DBOCR 0xa1 /* b Device Buffer Off Control */ +#define SCR_FER 0xe0 /* b Function Enable */ +#define SCR_MCR 0xe4 /* w Mode Control */ +#define SCR_CONFIG 0xfc /* b Configuration Control */ +#define SCR_DEBUG 0xff /* b Debug */ + +#define SCR_CCR_CK32K BIT(0) +#define SCR_CCR_USBCK BIT(1) +#define SCR_CCR_UNK1 BIT(4) +#define SCR_CCR_MCLK_MASK (7 << 8) +#define SCR_CCR_MCLK_OFF (0 << 8) +#define SCR_CCR_MCLK_12 (1 << 8) +#define SCR_CCR_MCLK_24 (2 << 8) +#define SCR_CCR_MCLK_48 (3 << 8) +#define SCR_CCR_HCLK_MASK (3 << 12) +#define SCR_CCR_HCLK_24 (0 << 12) +#define SCR_CCR_HCLK_48 (1 << 12) + +#define SCR_FER_USBEN BIT(0) /* USB host enable */ +#define SCR_FER_LCDCVEN BIT(1) /* polysilicon TFT enable */ +#define SCR_FER_SLCDEN BIT(2) /* SLCD enable */ + +#define SCR_MCR_RDY_MASK (3 << 0) +#define SCR_MCR_RDY_OPENDRAIN (0 << 0) +#define SCR_MCR_RDY_TRISTATE (1 << 0) +#define SCR_MCR_RDY_PUSHPULL (2 << 0) +#define SCR_MCR_RDY_UNK BIT(2) +#define SCR_MCR_RDY_EN BIT(3) +#define SCR_MCR_INT_MASK (3 << 4) +#define SCR_MCR_INT_OPENDRAIN (0 << 4) +#define SCR_MCR_INT_TRISTATE (1 << 4) +#define SCR_MCR_INT_PUSHPULL (2 << 4) +#define SCR_MCR_INT_UNK BIT(6) +#define SCR_MCR_INT_EN BIT(7) +/* bits 8 - 16 are unknown */ + +#define TC_GPIO_BIT(i) (1 << (i & 0x7)) + +/*--------------------------------------------------------------------------*/ + +struct tc6393xb { + void __iomem *scr; + + struct gpio_chip gpio; + + struct clk *clk; /* 3,6 Mhz */ + + spinlock_t lock; /* protects RMW cycles */ + + struct { + u8 fer; + u16 ccr; + u8 gpi_bcr[3]; + u8 gpo_dsr[3]; + u8 gpo_doecr[3]; + } suspend_state; + + struct resource rscr; + struct resource *iomem; + int irq; + int irq_base; +}; + +enum { + TC6393XB_CELL_NAND, +}; + +/*--------------------------------------------------------------------------*/ + +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); + unsigned long flags; + + spin_lock_irqsave(&tc6393xb->lock, flags); + + /* SMD buffer on */ + dev_dbg(&dev->dev, "SMD buffer on\n"); + iowrite8(0xff, tc6393xb->scr + SCR_GPI_BCR(1)); + + spin_unlock_irqrestore(&tc6393xb->lock, flags); + + return 0; +} + +static struct resource __devinitdata 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, + }, +}; + +static struct mfd_cell __devinitdata tc6393xb_cells[] = { + [TC6393XB_CELL_NAND] = { + .name = "tmio-nand", + .enable = tc6393xb_nand_enable, + .num_resources = ARRAY_SIZE(tc6393xb_nand_resources), + .resources = tc6393xb_nand_resources, + }, +}; + +/*--------------------------------------------------------------------------*/ + +static int tc6393xb_gpio_get(struct gpio_chip *chip, + unsigned offset) +{ + struct tc6393xb *tc6393xb = container_of(chip, struct tc6393xb, gpio); + + /* XXX: does dsr also represent inputs? */ + return ioread8(tc6393xb->scr + SCR_GPO_DSR(offset / 8)) + & TC_GPIO_BIT(offset); +} + +static void __tc6393xb_gpio_set(struct gpio_chip *chip, + unsigned offset, int value) +{ + struct tc6393xb *tc6393xb = container_of(chip, struct tc6393xb, gpio); + u8 dsr; + + dsr = ioread8(tc6393xb->scr + SCR_GPO_DSR(offset / 8)); + if (value) + dsr |= TC_GPIO_BIT(offset); + else + dsr &= ~TC_GPIO_BIT(offset); + + iowrite8(dsr, tc6393xb->scr + SCR_GPO_DSR(offset / 8)); +} + +static void tc6393xb_gpio_set(struct gpio_chip *chip, + unsigned offset, int value) +{ + struct tc6393xb *tc6393xb = container_of(chip, struct tc6393xb, gpio); + unsigned long flags; + + spin_lock_irqsave(&tc6393xb->lock, flags); + + __tc6393xb_gpio_set(chip, offset, value); + + spin_unlock_irqrestore(&tc6393xb->lock, flags); +} + +static int tc6393xb_gpio_direction_input(struct gpio_chip *chip, + unsigned offset) +{ + struct tc6393xb *tc6393xb = container_of(chip, struct tc6393xb, gpio); + unsigned long flags; + u8 doecr; + + spin_lock_irqsave(&tc6393xb->lock, flags); + + doecr = ioread8(tc6393xb->scr + SCR_GPO_DOECR(offset / 8)); + doecr &= ~TC_GPIO_BIT(offset); + iowrite8(doecr, tc6393xb->scr + SCR_GPO_DOECR(offset / 8)); + + spin_unlock_irqrestore(&tc6393xb->lock, flags); + + return 0; +} + +static int tc6393xb_gpio_direction_output(struct gpio_chip *chip, + unsigned offset, int value) +{ + struct tc6393xb *tc6393xb = container_of(chip, struct tc6393xb, gpio); + unsigned long flags; + u8 doecr; + + spin_lock_irqsave(&tc6393xb->lock, flags); + + __tc6393xb_gpio_set(chip, offset, value); + + doecr = ioread8(tc6393xb->scr + SCR_GPO_DOECR(offset / 8)); + doecr |= TC_GPIO_BIT(offset); + iowrite8(doecr, tc6393xb->scr + SCR_GPO_DOECR(offset / 8)); + + spin_unlock_irqrestore(&tc6393xb->lock, flags); + + return 0; +} + +static int tc6393xb_register_gpio(struct tc6393xb *tc6393xb, int gpio_base) +{ + tc6393xb->gpio.label = "tc6393xb"; + tc6393xb->gpio.base = gpio_base; + tc6393xb->gpio.ngpio = 16; + tc6393xb->gpio.set = tc6393xb_gpio_set; + tc6393xb->gpio.get = tc6393xb_gpio_get; + tc6393xb->gpio.direction_input = tc6393xb_gpio_direction_input; + tc6393xb->gpio.direction_output = tc6393xb_gpio_direction_output; + + return gpiochip_add(&tc6393xb->gpio); +} + +/*--------------------------------------------------------------------------*/ + +static void +tc6393xb_irq(unsigned int irq, struct irq_desc *desc) +{ + struct tc6393xb *tc6393xb = get_irq_data(irq); + unsigned int isr; + unsigned int i, irq_base; + + irq_base = tc6393xb->irq_base; + + while ((isr = ioread8(tc6393xb->scr + SCR_ISR) & + ~ioread8(tc6393xb->scr + SCR_IMR))) + for (i = 0; i < TC6393XB_NR_IRQS; i++) { + if (isr & (1 << i)) + generic_handle_irq(irq_base + i); + } +} + +static void tc6393xb_irq_ack(unsigned int irq) +{ +} + +static void tc6393xb_irq_mask(unsigned int irq) +{ + struct tc6393xb *tc6393xb = get_irq_chip_data(irq); + unsigned long flags; + u8 imr; + + spin_lock_irqsave(&tc6393xb->lock, flags); + imr = ioread8(tc6393xb->scr + SCR_IMR); + imr |= 1 << (irq - tc6393xb->irq_base); + iowrite8(imr, tc6393xb->scr + SCR_IMR); + spin_unlock_irqrestore(&tc6393xb->lock, flags); +} + +static void tc6393xb_irq_unmask(unsigned int irq) +{ + struct tc6393xb *tc6393xb = get_irq_chip_data(irq); + unsigned long flags; + u8 imr; + + spin_lock_irqsave(&tc6393xb->lock, flags); + imr = ioread8(tc6393xb->scr + SCR_IMR); + imr &= ~(1 << (irq - tc6393xb->irq_base)); + 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, +}; + +static void tc6393xb_attach_irq(struct platform_device *dev) +{ + struct tc6393xb *tc6393xb = platform_get_drvdata(dev); + unsigned int irq, irq_base; + + 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); + set_irq_flags(irq, IRQF_VALID | IRQF_PROBE); + } + + set_irq_type(tc6393xb->irq, IRQT_FALLING); + set_irq_data(tc6393xb->irq, tc6393xb); + set_irq_chained_handler(tc6393xb->irq, tc6393xb_irq); +} + +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_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); + } +} + +/*--------------------------------------------------------------------------*/ + +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; + struct resource *rscr; + int retval, temp; + int i; + + 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); + tc6393xb->irq_base = tcpd->irq_base; + + tc6393xb->clk = clk_get(&dev->dev, "GPIO27_CLK" /* "CK3P6MI" */); + if (IS_ERR(tc6393xb->clk)) { + retval = PTR_ERR(tc6393xb->clk); + goto err_clk_get; + } + + 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 = clk_enable(tc6393xb->clk); + if (retval) + goto err_clk_enable; + + retval = tcpd->enable(dev); + if (retval) + 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; + } + /* + * It may be necessary to change this back to + * platform-dependant code + */ + tc6393xb->suspend_state.ccr = SCR_CCR_UNK1 | + SCR_CCR_HCLK_48; + + retval = tc6393xb_hw_init(dev); + if (retval) + goto err_hw_init; + + printk(KERN_INFO "Toshiba tc6393xb revision %d at 0x%08lx, irq %d\n", + ioread8(tc6393xb->scr + SCR_REVID), + (unsigned long) iomem->start, tc6393xb->irq); + + tc6393xb->gpio.base = -1; + + if (tcpd->gpio_base >= 0) { + retval = tc6393xb_register_gpio(tc6393xb, tcpd->gpio_base); + if (retval) + goto err_gpio_add; + } + + if (tc6393xb->irq) + tc6393xb_attach_irq(dev); + + tc6393xb_cells[TC6393XB_CELL_NAND].driver_data = tcpd->nand_data; + + retval = mfd_add_devices(dev, + tc6393xb_cells, ARRAY_SIZE(tc6393xb_cells), + iomem, tcpd->irq_base); + + return 0; + + if (tc6393xb->irq) + 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: + iounmap(tc6393xb->scr); +err_ioremap: + release_resource(&tc6393xb->rscr); +err_request_scr: + clk_put(tc6393xb->clk); +err_clk_get: + kfree(tc6393xb); +err_kzalloc: + 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; + + mfd_remove_devices(dev); + + if (tc6393xb->irq) + tc6393xb_detach_irq(dev); + + if (tc6393xb->gpio.base != -1) { + ret = gpiochip_remove(&tc6393xb->gpio); + if (ret) { + dev_err(&dev->dev, "Can't remove gpio chip: %d\n", ret); + return ret; + } + } + + ret = tcpd->disable(dev); + + clk_disable(tc6393xb->clk); + + iounmap(tc6393xb->scr); + + release_resource(&tc6393xb->rscr); + + platform_set_drvdata(dev, NULL); + + clk_put(tc6393xb->clk); + + 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); + int i; + + + tc6393xb->suspend_state.ccr = ioread16(tc6393xb->scr + SCR_CCR); + tc6393xb->suspend_state.fer = ioread8(tc6393xb->scr + SCR_FER); + + for (i = 0; i < 3; i++) { + tc6393xb->suspend_state.gpo_dsr[i] = + ioread8(tc6393xb->scr + SCR_GPO_DSR(i)); + tc6393xb->suspend_state.gpo_doecr[i] = + ioread8(tc6393xb->scr + SCR_GPO_DOECR(i)); + tc6393xb->suspend_state.gpi_bcr[i] = + ioread8(tc6393xb->scr + SCR_GPI_BCR(i)); + } + + return tcpd->suspend(dev); +} + +static int tc6393xb_resume(struct platform_device *dev) +{ + struct tc6393xb_platform_data *tcpd = dev->dev.platform_data; + int ret = tcpd->resume(dev); + + if (ret) + return ret; + + return tc6393xb_hw_init(dev); +} +#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); +} + +subsys_initcall(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"); +MODULE_ALIAS("platform:tc6393xb"); diff --git a/drivers/mtd/nand/cmx270_nand.c b/drivers/mtd/nand/cmx270_nand.c index cb663ef..fc8529b 100644 --- a/drivers/mtd/nand/cmx270_nand.c +++ b/drivers/mtd/nand/cmx270_nand.c @@ -20,9 +20,11 @@ #include <linux/mtd/nand.h> #include <linux/mtd/partitions.h> +#include <linux/gpio.h> #include <asm/io.h> #include <asm/irq.h> +#include <asm/mach-types.h> #include <asm/arch/hardware.h> #include <asm/arch/pxa-regs.h> @@ -30,20 +32,6 @@ #define GPIO_NAND_CS (11) #define GPIO_NAND_RB (89) -/* This macro needed to ensure in-order operation of GPIO and local - * bus. Without both asm command and dummy uncached read there're - * states when NAND access is broken. I've looked for such macro(s) in - * include/asm-arm but found nothing approptiate. - * dmac_clean_range is close, but is makes cache invalidation - * unnecessary here and it cannot be used in module - */ -#define DRAIN_WB() \ - do { \ - unsigned char dummy; \ - asm volatile ("mcr p15, 0, r0, c7, c10, 4":::"r0"); \ - dummy=*((unsigned char*)UNCACHED_ADDR); \ - } while(0) - /* MTD structure for CM-X270 board */ static struct mtd_info *cmx270_nand_mtd; @@ -103,14 +91,14 @@ static int cmx270_verify_buf(struct mtd_info *mtd, const u_char *buf, int len) static inline void nand_cs_on(void) { - GPCR(GPIO_NAND_CS) = GPIO_bit(GPIO_NAND_CS); + gpio_set_value(GPIO_NAND_CS, 0); } static void nand_cs_off(void) { - DRAIN_WB(); + dsb(); - GPSR(GPIO_NAND_CS) = GPIO_bit(GPIO_NAND_CS); + gpio_set_value(GPIO_NAND_CS, 1); } /* @@ -122,7 +110,7 @@ static void cmx270_hwcontrol(struct mtd_info *mtd, int dat, struct nand_chip* this = mtd->priv; unsigned int nandaddr = (unsigned int)this->IO_ADDR_W; - DRAIN_WB(); + dsb(); if (ctrl & NAND_CTRL_CHANGE) { if ( ctrl & NAND_ALE ) @@ -139,12 +127,12 @@ static void cmx270_hwcontrol(struct mtd_info *mtd, int dat, nand_cs_off(); } - DRAIN_WB(); + dsb(); this->IO_ADDR_W = (void __iomem*)nandaddr; if (dat != NAND_CMD_NONE) writel((dat << 16), this->IO_ADDR_W); - DRAIN_WB(); + dsb(); } /* @@ -152,9 +140,9 @@ static void cmx270_hwcontrol(struct mtd_info *mtd, int dat, */ static int cmx270_device_ready(struct mtd_info *mtd) { - DRAIN_WB(); + dsb(); - return (GPLR(GPIO_NAND_RB) & GPIO_bit(GPIO_NAND_RB)); + return (gpio_get_value(GPIO_NAND_RB)); } /* @@ -168,20 +156,40 @@ static int cmx270_init(void) int mtd_parts_nb = 0; int ret; + if (!machine_is_armcore()) + return -ENODEV; + + ret = gpio_request(GPIO_NAND_CS, "NAND CS"); + if (ret) { + pr_warning("CM-X270: failed to request NAND CS gpio\n"); + return ret; + } + + gpio_direction_output(GPIO_NAND_CS, 1); + + ret = gpio_request(GPIO_NAND_RB, "NAND R/B"); + if (ret) { + pr_warning("CM-X270: failed to request NAND R/B gpio\n"); + goto err_gpio_request; + } + + gpio_direction_input(GPIO_NAND_RB); + /* Allocate memory for MTD device structure and private data */ cmx270_nand_mtd = kzalloc(sizeof(struct mtd_info) + sizeof(struct nand_chip), GFP_KERNEL); if (!cmx270_nand_mtd) { - printk("Unable to allocate CM-X270 NAND MTD device structure.\n"); - return -ENOMEM; + pr_debug("Unable to allocate CM-X270 NAND MTD device structure.\n"); + ret = -ENOMEM; + goto err_kzalloc; } cmx270_nand_io = ioremap(PXA_CS1_PHYS, 12); if (!cmx270_nand_io) { - printk("Unable to ioremap NAND device\n"); + pr_debug("Unable to ioremap NAND device\n"); ret = -EINVAL; - goto err1; + goto err_ioremap; } /* Get pointer to private data */ @@ -209,9 +217,9 @@ static int cmx270_init(void) /* Scan to find existence of the device */ if (nand_scan (cmx270_nand_mtd, 1)) { - printk(KERN_NOTICE "No NAND device\n"); + pr_notice("No NAND device\n"); ret = -ENXIO; - goto err2; + goto err_scan; } #ifdef CONFIG_MTD_CMDLINE_PARTS @@ -229,18 +237,22 @@ static int cmx270_init(void) } /* Register the partitions */ - printk(KERN_NOTICE "Using %s partition definition\n", part_type); + pr_notice("Using %s partition definition\n", part_type); ret = add_mtd_partitions(cmx270_nand_mtd, mtd_parts, mtd_parts_nb); if (ret) - goto err2; + goto err_scan; /* Return happy */ return 0; -err2: +err_scan: iounmap(cmx270_nand_io); -err1: +err_ioremap: kfree(cmx270_nand_mtd); +err_kzalloc: + gpio_free(GPIO_NAND_RB); +err_gpio_request: + gpio_free(GPIO_NAND_CS); return ret; @@ -255,6 +267,9 @@ static void cmx270_cleanup(void) /* Release resources, unregister device */ nand_release(cmx270_nand_mtd); + gpio_free(GPIO_NAND_RB); + gpio_free(GPIO_NAND_CS); + iounmap(cmx270_nand_io); /* Free the MTD device structure */ diff --git a/drivers/net/irda/pxaficp_ir.c b/drivers/net/irda/pxaficp_ir.c index d5c2d27..f76b0b6 100644 --- a/drivers/net/irda/pxaficp_ir.c +++ b/drivers/net/irda/pxaficp_ir.c @@ -13,16 +13,8 @@ * */ #include <linux/module.h> -#include <linux/types.h> -#include <linux/init.h> -#include <linux/errno.h> #include <linux/netdevice.h> -#include <linux/slab.h> -#include <linux/rtnetlink.h> -#include <linux/interrupt.h> -#include <linux/dma-mapping.h> #include <linux/platform_device.h> -#include <linux/pm.h> #include <linux/clk.h> #include <net/irda/irda.h> @@ -30,17 +22,9 @@ #include <net/irda/wrapper.h> #include <net/irda/irda_device.h> -#include <asm/irq.h> #include <asm/dma.h> -#include <asm/delay.h> -#include <asm/hardware.h> #include <asm/arch/irda.h> #include <asm/arch/pxa-regs.h> -#include <asm/arch/pxa2xx-gpio.h> - -#ifdef CONFIG_MACH_MAINSTONE -#include <asm/arch/mainstone.h> -#endif #define IrSR_RXPL_NEG_IS_ZERO (1<<4) #define IrSR_RXPL_POS_IS_ZERO 0x0 @@ -163,10 +147,6 @@ static int pxa_irda_set_speed(struct pxa_irda *si, int speed) /* set board transceiver to SIR mode */ si->pdata->transceiver_mode(si->dev, IR_SIRMODE); - /* configure GPIO46/47 */ - pxa_gpio_mode(GPIO46_STRXD_MD); - pxa_gpio_mode(GPIO47_STTXD_MD); - /* enable the STUART clock */ pxa_irda_enable_sirclk(si); } @@ -201,10 +181,6 @@ static int pxa_irda_set_speed(struct pxa_irda *si, int speed) /* set board transceiver to FIR mode */ si->pdata->transceiver_mode(si->dev, IR_FIRMODE); - /* configure GPIO46/47 */ - pxa_gpio_mode(GPIO46_ICPRXD_MD); - pxa_gpio_mode(GPIO47_ICPTXD_MD); - /* enable the FICP clock */ pxa_irda_enable_firclk(si); diff --git a/drivers/net/smc91x.c b/drivers/net/smc91x.c index f2051b2..2040965 100644 --- a/drivers/net/smc91x.c +++ b/drivers/net/smc91x.c @@ -308,7 +308,7 @@ static void smc_reset(struct net_device *dev) * can't handle it then there will be no recovery except for * a hard reset or power cycle */ - if (nowait) + if (lp->cfg.flags & SMC91X_NOWAIT) cfg |= CONFIG_NO_WAIT; /* @@ -1939,8 +1939,11 @@ static int __init smc_probe(struct net_device *dev, void __iomem *ioaddr, if (retval) goto err_out; -#ifdef SMC_USE_PXA_DMA - { +#ifdef CONFIG_ARCH_PXA +# ifdef SMC_USE_PXA_DMA + lp->cfg.flags |= SMC91X_USE_DMA; +# endif + if (lp->cfg.flags & SMC91X_USE_DMA) { int dma = pxa_request_dma(dev->name, DMA_PRIO_LOW, smc_pxa_dma_irq, NULL); if (dma >= 0) @@ -1980,7 +1983,7 @@ static int __init smc_probe(struct net_device *dev, void __iomem *ioaddr, } err_out: -#ifdef SMC_USE_PXA_DMA +#ifdef CONFIG_ARCH_PXA if (retval && dev->dma != (unsigned char)-1) pxa_free_dma(dev->dma); #endif @@ -2050,9 +2053,11 @@ static int smc_enable_device(struct platform_device *pdev) return 0; } -static int smc_request_attrib(struct platform_device *pdev) +static int smc_request_attrib(struct platform_device *pdev, + struct net_device *ndev) { struct resource * res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "smc91x-attrib"); + struct smc_local *lp = netdev_priv(ndev); if (!res) return 0; @@ -2063,9 +2068,11 @@ static int smc_request_attrib(struct platform_device *pdev) return 0; } -static void smc_release_attrib(struct platform_device *pdev) +static void smc_release_attrib(struct platform_device *pdev, + struct net_device *ndev) { struct resource * res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "smc91x-attrib"); + struct smc_local *lp = netdev_priv(ndev); if (res) release_mem_region(res->start, ATTRIB_SIZE); @@ -2123,27 +2130,14 @@ static int smc_drv_probe(struct platform_device *pdev) struct net_device *ndev; struct resource *res, *ires; unsigned int __iomem *addr; + unsigned long irq_flags = SMC_IRQ_FLAGS; int ret; - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "smc91x-regs"); - if (!res) - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - ret = -ENODEV; - goto out; - } - - - if (!request_mem_region(res->start, SMC_IO_EXTENT, CARDNAME)) { - ret = -EBUSY; - goto out; - } - ndev = alloc_etherdev(sizeof(struct smc_local)); if (!ndev) { printk("%s: could not allocate device.\n", CARDNAME); ret = -ENOMEM; - goto out_release_io; + goto out; } SET_NETDEV_DEV(ndev, &pdev->dev); @@ -2152,37 +2146,47 @@ static int smc_drv_probe(struct platform_device *pdev) */ lp = netdev_priv(ndev); - lp->cfg.irq_flags = SMC_IRQ_FLAGS; -#ifdef SMC_DYNAMIC_BUS_CONFIG - if (pd) + if (pd) { memcpy(&lp->cfg, pd, sizeof(lp->cfg)); - else { - lp->cfg.flags = SMC91X_USE_8BIT; - lp->cfg.flags |= SMC91X_USE_16BIT; - lp->cfg.flags |= SMC91X_USE_32BIT; + lp->io_shift = SMC91X_IO_SHIFT(lp->cfg.flags); + } else { + lp->cfg.flags |= (SMC_CAN_USE_8BIT) ? SMC91X_USE_8BIT : 0; + lp->cfg.flags |= (SMC_CAN_USE_16BIT) ? SMC91X_USE_16BIT : 0; + lp->cfg.flags |= (SMC_CAN_USE_32BIT) ? SMC91X_USE_32BIT : 0; + lp->cfg.flags |= (nowait) ? SMC91X_NOWAIT : 0; } - lp->cfg.flags &= ~(SMC_CAN_USE_8BIT ? 0 : SMC91X_USE_8BIT); - lp->cfg.flags &= ~(SMC_CAN_USE_16BIT ? 0 : SMC91X_USE_16BIT); - lp->cfg.flags &= ~(SMC_CAN_USE_32BIT ? 0 : SMC91X_USE_32BIT); -#endif - ndev->dma = (unsigned char)-1; + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "smc91x-regs"); + if (!res) + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { + ret = -ENODEV; + goto out_free_netdev; + } + + + if (!request_mem_region(res->start, SMC_IO_EXTENT, CARDNAME)) { + ret = -EBUSY; + goto out_free_netdev; + } + ires = platform_get_resource(pdev, IORESOURCE_IRQ, 0); if (!ires) { ret = -ENODEV; - goto out_free_netdev; + goto out_release_io; } ndev->irq = ires->start; - if (SMC_IRQ_FLAGS == -1) - lp->cfg.irq_flags = ires->flags & IRQF_TRIGGER_MASK; - ret = smc_request_attrib(pdev); + if (ires->flags & IRQF_TRIGGER_MASK) + irq_flags = ires->flags & IRQF_TRIGGER_MASK; + + ret = smc_request_attrib(pdev, ndev); if (ret) - goto out_free_netdev; + goto out_release_io; #if defined(CONFIG_SA1100_ASSABET) NCR_0 |= NCR_ENET_OSC_EN; #endif @@ -2197,7 +2201,7 @@ static int smc_drv_probe(struct platform_device *pdev) goto out_release_attrib; } -#ifdef SMC_USE_PXA_DMA +#ifdef CONFIG_ARCH_PXA { struct smc_local *lp = netdev_priv(ndev); lp->device = &pdev->dev; @@ -2205,7 +2209,7 @@ static int smc_drv_probe(struct platform_device *pdev) } #endif - ret = smc_probe(ndev, addr, lp->cfg.irq_flags); + ret = smc_probe(ndev, addr, irq_flags); if (ret != 0) goto out_iounmap; @@ -2217,11 +2221,11 @@ static int smc_drv_probe(struct platform_device *pdev) platform_set_drvdata(pdev, NULL); iounmap(addr); out_release_attrib: - smc_release_attrib(pdev); - out_free_netdev: - free_netdev(ndev); + smc_release_attrib(pdev, ndev); out_release_io: release_mem_region(res->start, SMC_IO_EXTENT); + out_free_netdev: + free_netdev(ndev); out: printk("%s: not found (%d).\n", CARDNAME, ret); @@ -2240,14 +2244,14 @@ static int smc_drv_remove(struct platform_device *pdev) free_irq(ndev->irq, ndev); -#ifdef SMC_USE_PXA_DMA +#ifdef CONFIG_ARCH_PXA if (ndev->dma != (unsigned char)-1) pxa_free_dma(ndev->dma); #endif iounmap(lp->base); smc_release_datacs(pdev,ndev); - smc_release_attrib(pdev); + smc_release_attrib(pdev,ndev); res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "smc91x-regs"); if (!res) diff --git a/drivers/net/smc91x.h b/drivers/net/smc91x.h index 8606818..22209b6 100644 --- a/drivers/net/smc91x.h +++ b/drivers/net/smc91x.h @@ -40,23 +40,46 @@ * Define your architecture specific bus configuration parameters here. */ -#if defined(CONFIG_ARCH_LUBBOCK) +#if defined(CONFIG_ARCH_LUBBOCK) ||\ + defined(CONFIG_MACH_MAINSTONE) ||\ + defined(CONFIG_MACH_ZYLONITE) ||\ + defined(CONFIG_MACH_LITTLETON) -/* We can only do 16-bit reads and writes in the static memory space. */ -#define SMC_CAN_USE_8BIT 0 +#include <asm/mach-types.h> + +/* Now the bus width is specified in the platform data + * pretend here to support all I/O access types + */ +#define SMC_CAN_USE_8BIT 1 #define SMC_CAN_USE_16BIT 1 -#define SMC_CAN_USE_32BIT 0 +#define SMC_CAN_USE_32BIT 1 #define SMC_NOWAIT 1 -/* The first two address lines aren't connected... */ -#define SMC_IO_SHIFT 2 +#define SMC_IO_SHIFT (lp->io_shift) +#define SMC_inb(a, r) readb((a) + (r)) #define SMC_inw(a, r) readw((a) + (r)) -#define SMC_outw(v, a, r) writew(v, (a) + (r)) +#define SMC_inl(a, r) readl((a) + (r)) +#define SMC_outb(v, a, r) writeb(v, (a) + (r)) +#define SMC_outl(v, a, r) writel(v, (a) + (r)) #define SMC_insw(a, r, p, l) readsw((a) + (r), p, l) #define SMC_outsw(a, r, p, l) writesw((a) + (r), p, l) +#define SMC_insl(a, r, p, l) readsl((a) + (r), p, l) +#define SMC_outsl(a, r, p, l) writesl((a) + (r), p, l) #define SMC_IRQ_FLAGS (-1) /* from resource */ +/* We actually can't write halfwords properly if not word aligned */ +static inline void SMC_outw(u16 val, void __iomem *ioaddr, int reg) +{ + if (machine_is_mainstone() && reg & 2) { + unsigned int v = val << 16; + v |= readl(ioaddr + (reg & ~2)) & 0xffff; + writel(v, ioaddr + (reg & ~2)); + } else { + writew(val, ioaddr + reg); + } +} + #elif defined(CONFIG_BLACKFIN) #define SMC_IRQ_FLAGS IRQF_TRIGGER_HIGH @@ -195,7 +218,6 @@ #define SMC_outsw(a, r, p, l) writesw((a) + (r), p, l) #elif defined(CONFIG_ARCH_INNOKOM) || \ - defined(CONFIG_MACH_MAINSTONE) || \ defined(CONFIG_ARCH_PXA_IDP) || \ defined(CONFIG_ARCH_RAMSES) || \ defined(CONFIG_ARCH_PCM027) @@ -229,22 +251,6 @@ SMC_outw(u16 val, void __iomem *ioaddr, int reg) } } -#elif defined(CONFIG_MACH_ZYLONITE) - -#define SMC_CAN_USE_8BIT 1 -#define SMC_CAN_USE_16BIT 1 -#define SMC_CAN_USE_32BIT 0 -#define SMC_IO_SHIFT 0 -#define SMC_NOWAIT 1 -#define SMC_USE_PXA_DMA 1 -#define SMC_inb(a, r) readb((a) + (r)) -#define SMC_inw(a, r) readw((a) + (r)) -#define SMC_insw(a, r, p, l) insw((a) + (r), p, l) -#define SMC_outsw(a, r, p, l) outsw((a) + (r), p, l) -#define SMC_outb(v, a, r) writeb(v, (a) + (r)) -#define SMC_outw(v, a, r) writew(v, (a) + (r)) -#define SMC_IRQ_FLAGS (-1) /* from resource */ - #elif defined(CONFIG_ARCH_OMAP) /* We can only do 16-bit reads and writes in the static memory space. */ @@ -454,7 +460,6 @@ static inline void LPD7_SMC_outsw (unsigned char* a, int r, #define RPC_LSA_DEFAULT RPC_LED_100_10 #define RPC_LSB_DEFAULT RPC_LED_TX_RX -#define SMC_DYNAMIC_BUS_CONFIG #endif @@ -493,7 +498,7 @@ struct smc_local { spinlock_t lock; -#ifdef SMC_USE_PXA_DMA +#ifdef CONFIG_ARCH_PXA /* DMA needs the physical address of the chip */ u_long physaddr; struct device *device; @@ -501,20 +506,17 @@ struct smc_local { void __iomem *base; void __iomem *datacs; + /* the low address lines on some platforms aren't connected... */ + int io_shift; + struct smc91x_platdata cfg; }; -#ifdef SMC_DYNAMIC_BUS_CONFIG -#define SMC_8BIT(p) (((p)->cfg.flags & SMC91X_USE_8BIT) && SMC_CAN_USE_8BIT) -#define SMC_16BIT(p) (((p)->cfg.flags & SMC91X_USE_16BIT) && SMC_CAN_USE_16BIT) -#define SMC_32BIT(p) (((p)->cfg.flags & SMC91X_USE_32BIT) && SMC_CAN_USE_32BIT) -#else -#define SMC_8BIT(p) SMC_CAN_USE_8BIT -#define SMC_16BIT(p) SMC_CAN_USE_16BIT -#define SMC_32BIT(p) SMC_CAN_USE_32BIT -#endif +#define SMC_8BIT(p) ((p)->cfg.flags & SMC91X_USE_8BIT) +#define SMC_16BIT(p) ((p)->cfg.flags & SMC91X_USE_16BIT) +#define SMC_32BIT(p) ((p)->cfg.flags & SMC91X_USE_32BIT) -#ifdef SMC_USE_PXA_DMA +#ifdef CONFIG_ARCH_PXA /* * Let's use the DMA engine on the XScale PXA2xx for RX packets. This is * always happening in irq context so no need to worry about races. TX is @@ -608,7 +610,7 @@ smc_pxa_dma_irq(int dma, void *dummy) { DCSR(dma) = 0; } -#endif /* SMC_USE_PXA_DMA */ +#endif /* CONFIG_ARCH_PXA */ /* diff --git a/drivers/pcmcia/Kconfig b/drivers/pcmcia/Kconfig index 1b0eb5a..86dd324c 100644 --- a/drivers/pcmcia/Kconfig +++ b/drivers/pcmcia/Kconfig @@ -219,7 +219,8 @@ config PCMCIA_SA1111 config PCMCIA_PXA2XX tristate "PXA2xx support" depends on ARM && ARCH_PXA && PCMCIA - depends on ARCH_LUBBOCK || MACH_MAINSTONE || PXA_SHARPSL || MACH_ARMCORE + depends on (ARCH_LUBBOCK || MACH_MAINSTONE || PXA_SHARPSL \ + || MACH_ARMCORE || ARCH_PXA_PALM) help Say Y here to include support for the PXA2xx PCMCIA controller diff --git a/drivers/pcmcia/Makefile b/drivers/pcmcia/Makefile index 6f6478b..8e6dd22 100644 --- a/drivers/pcmcia/Makefile +++ b/drivers/pcmcia/Makefile @@ -71,4 +71,5 @@ pxa2xx_cs-$(CONFIG_ARCH_LUBBOCK) += pxa2xx_lubbock.o sa1111_generic.o pxa2xx_cs-$(CONFIG_MACH_MAINSTONE) += pxa2xx_mainstone.o pxa2xx_cs-$(CONFIG_PXA_SHARPSL) += pxa2xx_sharpsl.o pxa2xx_cs-$(CONFIG_MACH_ARMCORE) += pxa2xx_cm_x270.o +pxa2xx_cs-$(CONFIG_MACH_PALMTX) += pxa2xx_palmtx.o diff --git a/drivers/pcmcia/pxa2xx_cm_x270.c b/drivers/pcmcia/pxa2xx_cm_x270.c index e7ab060..bb95db7 100644 --- a/drivers/pcmcia/pxa2xx_cm_x270.c +++ b/drivers/pcmcia/pxa2xx_cm_x270.c @@ -5,82 +5,60 @@ * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * - * Compulab Ltd., 2003, 2007 + * Compulab Ltd., 2003, 2007, 2008 * Mike Rapoport <mike@compulab.co.il> * */ -#include <linux/kernel.h> -#include <linux/sched.h> #include <linux/platform_device.h> #include <linux/irq.h> #include <linux/delay.h> +#include <linux/gpio.h> -#include <pcmcia/ss.h> -#include <asm/hardware.h> - +#include <asm/mach-types.h> #include <asm/arch/pxa-regs.h> -#include <asm/arch/pxa2xx-gpio.h> -#include <asm/arch/cm-x270.h> #include "soc_common.h" +#define GPIO_PCMCIA_S0_CD_VALID (84) +#define GPIO_PCMCIA_S0_RDYINT (82) +#define GPIO_PCMCIA_RESET (53) + +#define PCMCIA_S0_CD_VALID IRQ_GPIO(GPIO_PCMCIA_S0_CD_VALID) +#define PCMCIA_S0_RDYINT IRQ_GPIO(GPIO_PCMCIA_S0_RDYINT) + + static struct pcmcia_irqs irqs[] = { { 0, PCMCIA_S0_CD_VALID, "PCMCIA0 CD" }, - { 1, PCMCIA_S1_CD_VALID, "PCMCIA1 CD" }, }; static int cmx270_pcmcia_hw_init(struct soc_pcmcia_socket *skt) { - GPSR(GPIO48_nPOE) = GPIO_bit(GPIO48_nPOE) | - GPIO_bit(GPIO49_nPWE) | - GPIO_bit(GPIO50_nPIOR) | - GPIO_bit(GPIO51_nPIOW) | - GPIO_bit(GPIO85_nPCE_1) | - GPIO_bit(GPIO54_nPCE_2); - - pxa_gpio_mode(GPIO48_nPOE_MD); - pxa_gpio_mode(GPIO49_nPWE_MD); - pxa_gpio_mode(GPIO50_nPIOR_MD); - pxa_gpio_mode(GPIO51_nPIOW_MD); - pxa_gpio_mode(GPIO85_nPCE_1_MD); - pxa_gpio_mode(GPIO54_nPCE_2_MD); - pxa_gpio_mode(GPIO55_nPREG_MD); - pxa_gpio_mode(GPIO56_nPWAIT_MD); - pxa_gpio_mode(GPIO57_nIOIS16_MD); - - /* Reset signal */ - pxa_gpio_mode(GPIO53_nPCE_2 | GPIO_OUT); - GPCR(GPIO53_nPCE_2) = GPIO_bit(GPIO53_nPCE_2); - - set_irq_type(PCMCIA_S0_CD_VALID, IRQ_TYPE_EDGE_BOTH); - set_irq_type(PCMCIA_S1_CD_VALID, IRQ_TYPE_EDGE_BOTH); - - /* irq's for slots: */ - set_irq_type(PCMCIA_S0_RDYINT, IRQ_TYPE_EDGE_FALLING); - set_irq_type(PCMCIA_S1_RDYINT, IRQ_TYPE_EDGE_FALLING); - - skt->irq = (skt->nr == 0) ? PCMCIA_S0_RDYINT : PCMCIA_S1_RDYINT; - return soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs)); + int ret = gpio_request(GPIO_PCMCIA_RESET, "PCCard reset"); + if (ret) + return ret; + gpio_direction_output(GPIO_PCMCIA_RESET, 0); + + skt->irq = PCMCIA_S0_RDYINT; + ret = soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs)); + if (!ret) + gpio_free(GPIO_PCMCIA_RESET); + + return ret; } static void cmx270_pcmcia_shutdown(struct soc_pcmcia_socket *skt) { soc_pcmcia_free_irqs(skt, irqs, ARRAY_SIZE(irqs)); - - set_irq_type(IRQ_TO_GPIO(PCMCIA_S0_CD_VALID), IRQ_TYPE_NONE); - set_irq_type(IRQ_TO_GPIO(PCMCIA_S1_CD_VALID), IRQ_TYPE_NONE); - - set_irq_type(IRQ_TO_GPIO(PCMCIA_S0_RDYINT), IRQ_TYPE_NONE); - set_irq_type(IRQ_TO_GPIO(PCMCIA_S1_RDYINT), IRQ_TYPE_NONE); + gpio_free(GPIO_PCMCIA_RESET); } static void cmx270_pcmcia_socket_state(struct soc_pcmcia_socket *skt, struct pcmcia_state *state) { - state->detect = (PCC_DETECT(skt->nr) == 0) ? 1 : 0; - state->ready = (PCC_READY(skt->nr) == 0) ? 0 : 1; + state->detect = (gpio_get_value(GPIO_PCMCIA_S0_CD_VALID) == 0) ? 1 : 0; + state->ready = (gpio_get_value(GPIO_PCMCIA_S0_RDYINT) == 0) ? 0 : 1; state->bvd1 = 1; state->bvd2 = 1; state->vs_3v = 0; @@ -92,32 +70,16 @@ static void cmx270_pcmcia_socket_state(struct soc_pcmcia_socket *skt, static int cmx270_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, const socket_state_t *state) { - GPSR(GPIO49_nPWE) = GPIO_bit(GPIO49_nPWE); - pxa_gpio_mode(GPIO49_nPWE | GPIO_OUT); - switch (skt->nr) { case 0: if (state->flags & SS_RESET) { - GPCR(GPIO49_nPWE) = GPIO_bit(GPIO49_nPWE); - GPSR(GPIO53_nPCE_2) = GPIO_bit(GPIO53_nPCE_2); + gpio_set_value(GPIO_PCMCIA_RESET, 1); udelay(10); - GPCR(GPIO53_nPCE_2) = GPIO_bit(GPIO53_nPCE_2); - GPSR(GPIO49_nPWE) = GPIO_bit(GPIO49_nPWE); - } - break; - case 1: - if (state->flags & SS_RESET) { - GPCR(GPIO49_nPWE) = GPIO_bit(GPIO49_nPWE); - GPSR(GPIO53_nPCE_2) = GPIO_bit(GPIO53_nPCE_2); - udelay(10); - GPCR(GPIO53_nPCE_2) = GPIO_bit(GPIO53_nPCE_2); - GPSR(GPIO49_nPWE) = GPIO_bit(GPIO49_nPWE); + gpio_set_value(GPIO_PCMCIA_RESET, 0); } break; } - pxa_gpio_mode(GPIO49_nPWE_MD); - return 0; } @@ -130,7 +92,7 @@ static void cmx270_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt) } -static struct pcmcia_low_level cmx270_pcmcia_ops = { +static struct pcmcia_low_level cmx270_pcmcia_ops __initdata = { .owner = THIS_MODULE, .hw_init = cmx270_pcmcia_hw_init, .hw_shutdown = cmx270_pcmcia_shutdown, @@ -138,7 +100,7 @@ static struct pcmcia_low_level cmx270_pcmcia_ops = { .configure_socket = cmx270_pcmcia_configure_socket, .socket_init = cmx270_pcmcia_socket_init, .socket_suspend = cmx270_pcmcia_socket_suspend, - .nr = 2, + .nr = 1, }; static struct platform_device *cmx270_pcmcia_device; @@ -147,15 +109,21 @@ static int __init cmx270_pcmcia_init(void) { int ret; + if (!machine_is_armcore()) + return -ENODEV; + cmx270_pcmcia_device = platform_device_alloc("pxa2xx-pcmcia", -1); if (!cmx270_pcmcia_device) return -ENOMEM; - cmx270_pcmcia_device->dev.platform_data = &cmx270_pcmcia_ops; + ret = platform_device_add_data(cmx270_pcmcia_device, &cmx270_pcmcia_ops, + sizeof(cmx270_pcmcia_ops)); - printk(KERN_INFO "Registering cm-x270 PCMCIA interface.\n"); - ret = platform_device_add(cmx270_pcmcia_device); + if (ret == 0) { + printk(KERN_INFO "Registering cm-x270 PCMCIA interface.\n"); + ret = platform_device_add(cmx270_pcmcia_device); + } if (ret) platform_device_put(cmx270_pcmcia_device); diff --git a/drivers/pcmcia/pxa2xx_mainstone.c b/drivers/pcmcia/pxa2xx_mainstone.c index 145b85e..92d1cc3 100644 --- a/drivers/pcmcia/pxa2xx_mainstone.c +++ b/drivers/pcmcia/pxa2xx_mainstone.c @@ -22,6 +22,7 @@ #include <pcmcia/ss.h> #include <asm/hardware.h> +#include <asm/mach-types.h> #include <asm/irq.h> #include <asm/arch/pxa-regs.h> @@ -136,7 +137,7 @@ static void mst_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt) { } -static struct pcmcia_low_level mst_pcmcia_ops = { +static struct pcmcia_low_level mst_pcmcia_ops __initdata = { .owner = THIS_MODULE, .hw_init = mst_pcmcia_hw_init, .hw_shutdown = mst_pcmcia_hw_shutdown, @@ -153,13 +154,17 @@ static int __init mst_pcmcia_init(void) { int ret; + if (!machine_is_mainstone()) + return -ENODEV; + mst_pcmcia_device = platform_device_alloc("pxa2xx-pcmcia", -1); if (!mst_pcmcia_device) return -ENOMEM; - mst_pcmcia_device->dev.platform_data = &mst_pcmcia_ops; - - ret = platform_device_add(mst_pcmcia_device); + ret = platform_device_add_data(mst_pcmcia_device, &mst_pcmcia_ops, + sizeof(mst_pcmcia_ops)); + if (ret == 0) + ret = platform_device_add(mst_pcmcia_device); if (ret) platform_device_put(mst_pcmcia_device); diff --git a/drivers/pcmcia/pxa2xx_palmtx.c b/drivers/pcmcia/pxa2xx_palmtx.c new file mode 100644 index 0000000..4abde19 --- /dev/null +++ b/drivers/pcmcia/pxa2xx_palmtx.c @@ -0,0 +1,118 @@ +/* + * linux/drivers/pcmcia/pxa2xx_palmtx.c + * + * Driver for Palm T|X PCMCIA + * + * Copyright (C) 2007-2008 Marek Vasut <marek.vasut@gmail.com> + * + * 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/platform_device.h> + +#include <asm/mach-types.h> + +#include <asm/arch/gpio.h> +#include <asm/arch/palmtx.h> + +#include "soc_common.h" + +static int palmtx_pcmcia_hw_init(struct soc_pcmcia_socket *skt) +{ + skt->irq = IRQ_GPIO(GPIO_NR_PALMTX_PCMCIA_READY); + return 0; +} + +static void palmtx_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) +{ +} + +static void palmtx_pcmcia_socket_state(struct soc_pcmcia_socket *skt, + struct pcmcia_state *state) +{ + state->detect = 1; /* always inserted */ + state->ready = !!gpio_get_value(GPIO_NR_PALMTX_PCMCIA_READY); + state->bvd1 = 1; + state->bvd2 = 1; + state->wrprot = 0; + state->vs_3v = 1; + state->vs_Xv = 0; +} + +static int +palmtx_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, + const socket_state_t *state) +{ + gpio_set_value(GPIO_NR_PALMTX_PCMCIA_POWER1, 1); + gpio_set_value(GPIO_NR_PALMTX_PCMCIA_POWER2, 1); + gpio_set_value(GPIO_NR_PALMTX_PCMCIA_RESET, + !!(state->flags & SS_RESET)); + + return 0; +} + +static void palmtx_pcmcia_socket_init(struct soc_pcmcia_socket *skt) +{ +} + +static void palmtx_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt) +{ +} + +static struct pcmcia_low_level palmtx_pcmcia_ops = { + .owner = THIS_MODULE, + + .first = 0, + .nr = 1, + + .hw_init = palmtx_pcmcia_hw_init, + .hw_shutdown = palmtx_pcmcia_hw_shutdown, + + .socket_state = palmtx_pcmcia_socket_state, + .configure_socket = palmtx_pcmcia_configure_socket, + + .socket_init = palmtx_pcmcia_socket_init, + .socket_suspend = palmtx_pcmcia_socket_suspend, +}; + +static struct platform_device *palmtx_pcmcia_device; + +static int __init palmtx_pcmcia_init(void) +{ + int ret; + + if (!machine_is_palmtx()) + return -ENODEV; + + palmtx_pcmcia_device = platform_device_alloc("pxa2xx-pcmcia", -1); + if (!palmtx_pcmcia_device) + return -ENOMEM; + + ret = platform_device_add_data(palmtx_pcmcia_device, &palmtx_pcmcia_ops, + sizeof(palmtx_pcmcia_ops)); + + if (!ret) + ret = platform_device_add(palmtx_pcmcia_device); + + if (ret) + platform_device_put(palmtx_pcmcia_device); + + return ret; +} + +static void __exit palmtx_pcmcia_exit(void) +{ + platform_device_unregister(palmtx_pcmcia_device); +} + +fs_initcall(palmtx_pcmcia_init); +module_exit(palmtx_pcmcia_exit); + +MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>"); +MODULE_DESCRIPTION("PCMCIA support for Palm T|X"); +MODULE_ALIAS("platform:pxa2xx-pcmcia"); +MODULE_LICENSE("GPL"); diff --git a/drivers/pcmcia/pxa2xx_sharpsl.c b/drivers/pcmcia/pxa2xx_sharpsl.c index d5c33bd..d71f93d 100644 --- a/drivers/pcmcia/pxa2xx_sharpsl.c +++ b/drivers/pcmcia/pxa2xx_sharpsl.c @@ -222,7 +222,7 @@ static void sharpsl_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt) sharpsl_pcmcia_init_reset(skt); } -static struct pcmcia_low_level sharpsl_pcmcia_ops = { +static struct pcmcia_low_level sharpsl_pcmcia_ops __initdata = { .owner = THIS_MODULE, .hw_init = sharpsl_pcmcia_hw_init, .hw_shutdown = sharpsl_pcmcia_hw_shutdown, @@ -261,10 +261,12 @@ static int __init sharpsl_pcmcia_init(void) if (!sharpsl_pcmcia_device) return -ENOMEM; - sharpsl_pcmcia_device->dev.platform_data = &sharpsl_pcmcia_ops; - sharpsl_pcmcia_device->dev.parent = platform_scoop_config->devs[0].dev; - - ret = platform_device_add(sharpsl_pcmcia_device); + ret = platform_device_add_data(sharpsl_pcmcia_device, + &sharpsl_pcmcia_ops, sizeof(sharpsl_pcmcia_ops)); + if (ret == 0) { + sharpsl_pcmcia_device->dev.parent = platform_scoop_config->devs[0].dev; + ret = platform_device_add(sharpsl_pcmcia_device); + } if (ret) platform_device_put(sharpsl_pcmcia_device); diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig index 58c806e..4d17d38 100644 --- a/drivers/power/Kconfig +++ b/drivers/power/Kconfig @@ -49,4 +49,10 @@ config BATTERY_OLPC help Say Y to enable support for the battery on the OLPC laptop. +config BATTERY_PALMTX + tristate "Palm T|X battery" + depends on MACH_PALMTX + help + Say Y to enable support for the battery in Palm T|X. + endif # POWER_SUPPLY diff --git a/drivers/power/Makefile b/drivers/power/Makefile index 6413ded..6f43a54 100644 --- a/drivers/power/Makefile +++ b/drivers/power/Makefile @@ -20,3 +20,4 @@ obj-$(CONFIG_APM_POWER) += apm_power.o obj-$(CONFIG_BATTERY_DS2760) += ds2760_battery.o obj-$(CONFIG_BATTERY_PMU) += pmu_battery.o obj-$(CONFIG_BATTERY_OLPC) += olpc_battery.o +obj-$(CONFIG_BATTERY_PALMTX) += palmtx_battery.o diff --git a/drivers/power/palmtx_battery.c b/drivers/power/palmtx_battery.c new file mode 100644 index 0000000..244bb27 --- /dev/null +++ b/drivers/power/palmtx_battery.c @@ -0,0 +1,198 @@ +/* + * linux/drivers/power/palmtx_battery.c + * + * Battery measurement code for Palm T|X Handheld computer + * + * based on tosa_battery.c + * + * Copyright (C) 2008 Marek Vasut <marek.vasut@gmail.com> + * + * 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/power_supply.h> +#include <linux/wm97xx.h> +#include <linux/delay.h> +#include <linux/spinlock.h> +#include <linux/interrupt.h> +#include <linux/gpio.h> + +#include <asm/mach-types.h> +#include <asm/arch/palmtx.h> + +static DEFINE_MUTEX(bat_lock); +static struct work_struct bat_work; +struct mutex work_lock; +int bat_status = POWER_SUPPLY_STATUS_DISCHARGING; + +static unsigned long palmtx_read_bat(struct power_supply *bat_ps) +{ + return wm97xx_read_aux_adc(bat_ps->dev->parent->driver_data, + WM97XX_AUX_ID3) * 1000 / 414; +} + +static unsigned long palmtx_read_temp(struct power_supply *bat_ps) +{ + return wm97xx_read_aux_adc(bat_ps->dev->parent->driver_data, + WM97XX_AUX_ID2); +} + +static int palmtx_bat_get_property(struct power_supply *bat_ps, + enum power_supply_property psp, + union power_supply_propval *val) +{ + switch (psp) { + case POWER_SUPPLY_PROP_STATUS: + val->intval = bat_status; + break; + case POWER_SUPPLY_PROP_TECHNOLOGY: + val->intval = POWER_SUPPLY_TECHNOLOGY_LIPO; + break; + case POWER_SUPPLY_PROP_VOLTAGE_NOW: + val->intval = palmtx_read_bat(bat_ps); + break; + case POWER_SUPPLY_PROP_VOLTAGE_MAX: + case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN: + val->intval = PALMTX_BAT_MAX_VOLTAGE; + break; + case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN: + val->intval = PALMTX_BAT_MIN_VOLTAGE; + break; + case POWER_SUPPLY_PROP_TEMP: + val->intval = palmtx_read_temp(bat_ps); + break; + case POWER_SUPPLY_PROP_PRESENT: + val->intval = 1; + break; + default: + return -EINVAL; + } + return 0; +} + +static void palmtx_bat_external_power_changed(struct power_supply *bat_ps) +{ + schedule_work(&bat_work); +} + +static char *status_text[] = { + [POWER_SUPPLY_STATUS_UNKNOWN] = "Unknown", + [POWER_SUPPLY_STATUS_CHARGING] = "Charging", + [POWER_SUPPLY_STATUS_DISCHARGING] = "Discharging", +}; + +static void palmtx_bat_update(struct power_supply *bat_ps) +{ + int old_status = bat_status; + + mutex_lock(&work_lock); + + bat_status = gpio_get_value(GPIO_NR_PALMTX_POWER_DETECT) ? + POWER_SUPPLY_STATUS_CHARGING : + POWER_SUPPLY_STATUS_DISCHARGING; + + if (old_status != bat_status) { + pr_debug("%s %s -> %s\n", bat_ps->name, + status_text[old_status], + status_text[bat_status]); + power_supply_changed(bat_ps); + } + + mutex_unlock(&work_lock); +} + +static enum power_supply_property palmtx_bat_main_props[] = { + POWER_SUPPLY_PROP_STATUS, + POWER_SUPPLY_PROP_TECHNOLOGY, + POWER_SUPPLY_PROP_VOLTAGE_NOW, + POWER_SUPPLY_PROP_VOLTAGE_MAX, + POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN, + POWER_SUPPLY_PROP_TEMP, + POWER_SUPPLY_PROP_PRESENT, +}; + +struct power_supply bat_ps = { + .name = "main-battery", + .type = POWER_SUPPLY_TYPE_BATTERY, + .properties = palmtx_bat_main_props, + .num_properties = ARRAY_SIZE(palmtx_bat_main_props), + .get_property = palmtx_bat_get_property, + .external_power_changed = palmtx_bat_external_power_changed, + .use_for_apm = 1, +}; + +static void palmtx_bat_work(struct work_struct *work) +{ + palmtx_bat_update(&bat_ps); +} + +#ifdef CONFIG_PM +static int palmtx_bat_suspend(struct platform_device *dev, pm_message_t state) +{ + flush_scheduled_work(); + return 0; +} + +static int palmtx_bat_resume(struct platform_device *dev) +{ + schedule_work(&bat_work); + return 0; +} +#else +#define palmtx_bat_suspend NULL +#define palmtx_bat_resume NULL +#endif + +static int __devinit palmtx_bat_probe(struct platform_device *dev) +{ + int ret = 0; + + if (!machine_is_palmtx()) + return -ENODEV; + + mutex_init(&work_lock); + + INIT_WORK(&bat_work, palmtx_bat_work); + + ret = power_supply_register(&dev->dev, &bat_ps); + if (!ret) + schedule_work(&bat_work); + + return ret; +} + +static int __devexit palmtx_bat_remove(struct platform_device *dev) +{ + power_supply_unregister(&bat_ps); + return 0; +} + +static struct platform_driver palmtx_bat_driver = { + .driver.name = "wm97xx-battery", + .driver.owner = THIS_MODULE, + .probe = palmtx_bat_probe, + .remove = __devexit_p(palmtx_bat_remove), + .suspend = palmtx_bat_suspend, + .resume = palmtx_bat_resume, +}; + +static int __init palmtx_bat_init(void) +{ + return platform_driver_register(&palmtx_bat_driver); +} + +static void __exit palmtx_bat_exit(void) +{ + platform_driver_unregister(&palmtx_bat_driver); +} + +module_init(palmtx_bat_init); +module_exit(palmtx_bat_exit); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>"); +MODULE_DESCRIPTION("Palm T|X battery driver"); diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig index 3565d43..d6bab0d 100644 --- a/drivers/usb/gadget/Kconfig +++ b/drivers/usb/gadget/Kconfig @@ -172,7 +172,7 @@ config USB_NET2280 default USB_GADGET select USB_GADGET_SELECTED -config USB_GADGET_PXA2XX +config USB_GADGET_PXA25X boolean "PXA 25x or IXP 4xx" depends on (ARCH_PXA && PXA25x) || ARCH_IXP4XX help @@ -184,19 +184,19 @@ config USB_GADGET_PXA2XX zero (for control transfers). Say "y" to link the driver statically, or "m" to build a - dynamically linked module called "pxa2xx_udc" and force all + dynamically linked module called "pxa25x_udc" and force all gadget drivers to also be dynamically linked. -config USB_PXA2XX +config USB_PXA25X tristate - depends on USB_GADGET_PXA2XX + depends on USB_GADGET_PXA25X default USB_GADGET select USB_GADGET_SELECTED # if there's only one gadget driver, using only two bulk endpoints, # don't waste memory for the other endpoints -config USB_PXA2XX_SMALL - depends on USB_GADGET_PXA2XX +config USB_PXA25X_SMALL + depends on USB_GADGET_PXA25X bool default n if USB_ETH_RNDIS default y if USB_ZERO diff --git a/drivers/usb/gadget/Makefile b/drivers/usb/gadget/Makefile index 1235725..e258afd 100644 --- a/drivers/usb/gadget/Makefile +++ b/drivers/usb/gadget/Makefile @@ -8,7 +8,7 @@ endif obj-$(CONFIG_USB_DUMMY_HCD) += dummy_hcd.o obj-$(CONFIG_USB_NET2280) += net2280.o obj-$(CONFIG_USB_AMD5536UDC) += amd5536udc.o -obj-$(CONFIG_USB_PXA2XX) += pxa2xx_udc.o +obj-$(CONFIG_USB_PXA25X) += pxa25x_udc.o obj-$(CONFIG_USB_PXA27X) += pxa27x_udc.o obj-$(CONFIG_USB_GOKU) += goku_udc.o obj-$(CONFIG_USB_OMAP) += omap_udc.o diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c index 8d61ea6..4ce3950 100644 --- a/drivers/usb/gadget/ether.c +++ b/drivers/usb/gadget/ether.c @@ -262,7 +262,7 @@ MODULE_PARM_DESC(host_addr, "Host Ethernet Address"); /* For CDC-incapable hardware, choose the simple cdc subset. * Anything that talks bulk (without notable bugs) can do this. */ -#ifdef CONFIG_USB_GADGET_PXA2XX +#ifdef CONFIG_USB_GADGET_PXA25X #define DEV_CONFIG_SUBSET #endif diff --git a/drivers/usb/gadget/gadget_chips.h b/drivers/usb/gadget/gadget_chips.h index f7f159c..ca5149e 100644 --- a/drivers/usb/gadget/gadget_chips.h +++ b/drivers/usb/gadget/gadget_chips.h @@ -29,8 +29,8 @@ #define gadget_is_dummy(g) 0 #endif -#ifdef CONFIG_USB_GADGET_PXA2XX -#define gadget_is_pxa(g) !strcmp("pxa2xx_udc", (g)->name) +#ifdef CONFIG_USB_GADGET_PXA25X +#define gadget_is_pxa(g) !strcmp("pxa25x_udc", (g)->name) #else #define gadget_is_pxa(g) 0 #endif diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c index 69b0a27..f132a92 100644 --- a/drivers/usb/gadget/inode.c +++ b/drivers/usb/gadget/inode.c @@ -1501,7 +1501,7 @@ gadgetfs_setup (struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl) } break; -#ifndef CONFIG_USB_GADGET_PXA2XX +#ifndef CONFIG_USB_GADGET_PXA25X /* PXA automagically handles this request too */ case USB_REQ_GET_CONFIGURATION: if (ctrl->bRequestType != 0x80) diff --git a/drivers/usb/gadget/pxa2xx_udc.c b/drivers/usb/gadget/pxa25x_udc.c index 08f699b..5d50031 100644 --- a/drivers/usb/gadget/pxa2xx_udc.c +++ b/drivers/usb/gadget/pxa25x_udc.c @@ -1,5 +1,4 @@ /* - * linux/drivers/usb/gadget/pxa2xx_udc.c * Intel PXA25x and IXP4xx on-chip full speed USB device controllers * * Copyright (C) 2002 Intrinsyc, Inc. (Frank Becker) @@ -46,19 +45,25 @@ #include <linux/err.h> #include <linux/seq_file.h> #include <linux/debugfs.h> +#include <linux/io.h> #include <asm/byteorder.h> #include <asm/dma.h> #include <asm/gpio.h> -#include <asm/io.h> #include <asm/system.h> #include <asm/mach-types.h> #include <asm/unaligned.h> -#include <asm/hardware.h> #include <linux/usb/ch9.h> #include <linux/usb/gadget.h> +/* + * This driver is PXA25x only. Grab the right register definitions. + */ +#ifdef CONFIG_ARCH_PXA +#include <asm/arch/pxa25x-udc.h> +#endif + #include <asm/mach/udc_pxa2xx.h> @@ -91,7 +96,7 @@ #define DRIVER_DESC "PXA 25x USB Device Controller driver" -static const char driver_name [] = "pxa2xx_udc"; +static const char driver_name [] = "pxa25x_udc"; static const char ep0name [] = "ep0"; @@ -111,10 +116,10 @@ static const char ep0name [] = "ep0"; #endif -#include "pxa2xx_udc.h" +#include "pxa25x_udc.h" -#ifdef CONFIG_USB_PXA2XX_SMALL +#ifdef CONFIG_USB_PXA25X_SMALL #define SIZE_STR " (small)" #else #define SIZE_STR "" @@ -126,8 +131,8 @@ static const char ep0name [] = "ep0"; * --------------------------------------------------------------------------- */ -static void pxa2xx_ep_fifo_flush (struct usb_ep *ep); -static void nuke (struct pxa2xx_ep *, int status); +static void pxa25x_ep_fifo_flush (struct usb_ep *ep); +static void nuke (struct pxa25x_ep *, int status); /* one GPIO should be used to detect VBUS from the host */ static int is_vbus_present(void) @@ -147,9 +152,10 @@ static int is_vbus_present(void) static void pullup_off(void) { struct pxa2xx_udc_mach_info *mach = the_controller->mach; + int off_level = mach->gpio_pullup_inverted; if (mach->gpio_pullup) - gpio_set_value(mach->gpio_pullup, 0); + gpio_set_value(mach->gpio_pullup, off_level); else if (mach->udc_command) mach->udc_command(PXA2XX_UDC_CMD_DISCONNECT); } @@ -157,9 +163,10 @@ static void pullup_off(void) static void pullup_on(void) { struct pxa2xx_udc_mach_info *mach = the_controller->mach; + int on_level = !mach->gpio_pullup_inverted; if (mach->gpio_pullup) - gpio_set_value(mach->gpio_pullup, 1); + gpio_set_value(mach->gpio_pullup, on_level); else if (mach->udc_command) mach->udc_command(PXA2XX_UDC_CMD_CONNECT); } @@ -212,24 +219,24 @@ static inline void udc_ack_int_UDCCR(int mask) /* * endpoint enable/disable * - * we need to verify the descriptors used to enable endpoints. since pxa2xx + * we need to verify the descriptors used to enable endpoints. since pxa25x * endpoint configurations are fixed, and are pretty much always enabled, * there's not a lot to manage here. * - * because pxa2xx can't selectively initialize bulk (or interrupt) endpoints, + * because pxa25x can't selectively initialize bulk (or interrupt) endpoints, * (resetting endpoint halt and toggle), SET_INTERFACE is unusable except * for a single interface (with only the default altsetting) and for gadget * drivers that don't halt endpoints (not reset by set_interface). that also * means that if you use ISO, you must violate the USB spec rule that all * iso endpoints must be in non-default altsettings. */ -static int pxa2xx_ep_enable (struct usb_ep *_ep, +static int pxa25x_ep_enable (struct usb_ep *_ep, const struct usb_endpoint_descriptor *desc) { - struct pxa2xx_ep *ep; - struct pxa2xx_udc *dev; + struct pxa25x_ep *ep; + struct pxa25x_udc *dev; - ep = container_of (_ep, struct pxa2xx_ep, ep); + ep = container_of (_ep, struct pxa25x_ep, ep); if (!_ep || !desc || ep->desc || _ep->name == ep0name || desc->bDescriptorType != USB_DT_ENDPOINT || ep->bEndpointAddress != desc->bEndpointAddress @@ -268,7 +275,7 @@ static int pxa2xx_ep_enable (struct usb_ep *_ep, ep->ep.maxpacket = le16_to_cpu (desc->wMaxPacketSize); /* flush fifo (mostly for OUT buffers) */ - pxa2xx_ep_fifo_flush (_ep); + pxa25x_ep_fifo_flush (_ep); /* ... reset halt state too, if we could ... */ @@ -276,12 +283,12 @@ static int pxa2xx_ep_enable (struct usb_ep *_ep, return 0; } -static int pxa2xx_ep_disable (struct usb_ep *_ep) +static int pxa25x_ep_disable (struct usb_ep *_ep) { - struct pxa2xx_ep *ep; + struct pxa25x_ep *ep; unsigned long flags; - ep = container_of (_ep, struct pxa2xx_ep, ep); + ep = container_of (_ep, struct pxa25x_ep, ep); if (!_ep || !ep->desc) { DMSG("%s, %s not enabled\n", __func__, _ep ? ep->ep.name : NULL); @@ -292,7 +299,7 @@ static int pxa2xx_ep_disable (struct usb_ep *_ep) nuke (ep, -ESHUTDOWN); /* flush fifo (mostly for IN buffers) */ - pxa2xx_ep_fifo_flush (_ep); + pxa25x_ep_fifo_flush (_ep); ep->desc = NULL; ep->stopped = 1; @@ -304,18 +311,18 @@ static int pxa2xx_ep_disable (struct usb_ep *_ep) /*-------------------------------------------------------------------------*/ -/* for the pxa2xx, these can just wrap kmalloc/kfree. gadget drivers +/* for the pxa25x, these can just wrap kmalloc/kfree. gadget drivers * must still pass correctly initialized endpoints, since other controller * drivers may care about how it's currently set up (dma issues etc). */ /* - * pxa2xx_ep_alloc_request - allocate a request data structure + * pxa25x_ep_alloc_request - allocate a request data structure */ static struct usb_request * -pxa2xx_ep_alloc_request (struct usb_ep *_ep, gfp_t gfp_flags) +pxa25x_ep_alloc_request (struct usb_ep *_ep, gfp_t gfp_flags) { - struct pxa2xx_request *req; + struct pxa25x_request *req; req = kzalloc(sizeof(*req), gfp_flags); if (!req) @@ -327,14 +334,14 @@ pxa2xx_ep_alloc_request (struct usb_ep *_ep, gfp_t gfp_flags) /* - * pxa2xx_ep_free_request - deallocate a request data structure + * pxa25x_ep_free_request - deallocate a request data structure */ static void -pxa2xx_ep_free_request (struct usb_ep *_ep, struct usb_request *_req) +pxa25x_ep_free_request (struct usb_ep *_ep, struct usb_request *_req) { - struct pxa2xx_request *req; + struct pxa25x_request *req; - req = container_of (_req, struct pxa2xx_request, req); + req = container_of (_req, struct pxa25x_request, req); WARN_ON (!list_empty (&req->queue)); kfree(req); } @@ -344,7 +351,7 @@ pxa2xx_ep_free_request (struct usb_ep *_ep, struct usb_request *_req) /* * done - retire a request; caller blocked irqs */ -static void done(struct pxa2xx_ep *ep, struct pxa2xx_request *req, int status) +static void done(struct pxa25x_ep *ep, struct pxa25x_request *req, int status) { unsigned stopped = ep->stopped; @@ -367,13 +374,13 @@ static void done(struct pxa2xx_ep *ep, struct pxa2xx_request *req, int status) } -static inline void ep0_idle (struct pxa2xx_udc *dev) +static inline void ep0_idle (struct pxa25x_udc *dev) { dev->ep0state = EP0_IDLE; } static int -write_packet(volatile u32 *uddr, struct pxa2xx_request *req, unsigned max) +write_packet(volatile u32 *uddr, struct pxa25x_request *req, unsigned max) { u8 *buf; unsigned length, count; @@ -398,7 +405,7 @@ write_packet(volatile u32 *uddr, struct pxa2xx_request *req, unsigned max) * caller guarantees at least one packet buffer is ready (or a zlp). */ static int -write_fifo (struct pxa2xx_ep *ep, struct pxa2xx_request *req) +write_fifo (struct pxa25x_ep *ep, struct pxa25x_request *req) { unsigned max; @@ -455,7 +462,7 @@ write_fifo (struct pxa2xx_ep *ep, struct pxa2xx_request *req) * ep0 data stage. these chips want very simple state transitions. */ static inline -void ep0start(struct pxa2xx_udc *dev, u32 flags, const char *tag) +void ep0start(struct pxa25x_udc *dev, u32 flags, const char *tag) { UDCCS0 = flags|UDCCS0_SA|UDCCS0_OPR; USIR0 = USIR0_IR0; @@ -465,7 +472,7 @@ void ep0start(struct pxa2xx_udc *dev, u32 flags, const char *tag) } static int -write_ep0_fifo (struct pxa2xx_ep *ep, struct pxa2xx_request *req) +write_ep0_fifo (struct pxa25x_ep *ep, struct pxa25x_request *req) { unsigned count; int is_short; @@ -525,7 +532,7 @@ write_ep0_fifo (struct pxa2xx_ep *ep, struct pxa2xx_request *req) * request buffer having filled (and maybe overran till end-of-packet). */ static int -read_fifo (struct pxa2xx_ep *ep, struct pxa2xx_request *req) +read_fifo (struct pxa25x_ep *ep, struct pxa25x_request *req) { for (;;) { u32 udccs; @@ -602,7 +609,7 @@ read_fifo (struct pxa2xx_ep *ep, struct pxa2xx_request *req) * protocols do use them. */ static int -read_ep0_fifo (struct pxa2xx_ep *ep, struct pxa2xx_request *req) +read_ep0_fifo (struct pxa25x_ep *ep, struct pxa25x_request *req) { u8 *buf, byte; unsigned bufferspace; @@ -641,21 +648,21 @@ read_ep0_fifo (struct pxa2xx_ep *ep, struct pxa2xx_request *req) /*-------------------------------------------------------------------------*/ static int -pxa2xx_ep_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags) +pxa25x_ep_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags) { - struct pxa2xx_request *req; - struct pxa2xx_ep *ep; - struct pxa2xx_udc *dev; + struct pxa25x_request *req; + struct pxa25x_ep *ep; + struct pxa25x_udc *dev; unsigned long flags; - req = container_of(_req, struct pxa2xx_request, req); + req = container_of(_req, struct pxa25x_request, req); if (unlikely (!_req || !_req->complete || !_req->buf || !list_empty(&req->queue))) { DMSG("%s, bad params\n", __func__); return -EINVAL; } - ep = container_of(_ep, struct pxa2xx_ep, ep); + ep = container_of(_ep, struct pxa25x_ep, ep); if (unlikely (!_ep || (!ep->desc && ep->ep.name != ep0name))) { DMSG("%s, bad ep\n", __func__); return -EINVAL; @@ -751,14 +758,14 @@ pxa2xx_ep_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags) /* * nuke - dequeue ALL requests */ -static void nuke(struct pxa2xx_ep *ep, int status) +static void nuke(struct pxa25x_ep *ep, int status) { - struct pxa2xx_request *req; + struct pxa25x_request *req; /* called with irqs blocked */ while (!list_empty(&ep->queue)) { req = list_entry(ep->queue.next, - struct pxa2xx_request, + struct pxa25x_request, queue); done(ep, req, status); } @@ -768,13 +775,13 @@ static void nuke(struct pxa2xx_ep *ep, int status) /* dequeue JUST ONE request */ -static int pxa2xx_ep_dequeue(struct usb_ep *_ep, struct usb_request *_req) +static int pxa25x_ep_dequeue(struct usb_ep *_ep, struct usb_request *_req) { - struct pxa2xx_ep *ep; - struct pxa2xx_request *req; + struct pxa25x_ep *ep; + struct pxa25x_request *req; unsigned long flags; - ep = container_of(_ep, struct pxa2xx_ep, ep); + ep = container_of(_ep, struct pxa25x_ep, ep); if (!_ep || ep->ep.name == ep0name) return -EINVAL; @@ -798,12 +805,12 @@ static int pxa2xx_ep_dequeue(struct usb_ep *_ep, struct usb_request *_req) /*-------------------------------------------------------------------------*/ -static int pxa2xx_ep_set_halt(struct usb_ep *_ep, int value) +static int pxa25x_ep_set_halt(struct usb_ep *_ep, int value) { - struct pxa2xx_ep *ep; + struct pxa25x_ep *ep; unsigned long flags; - ep = container_of(_ep, struct pxa2xx_ep, ep); + ep = container_of(_ep, struct pxa25x_ep, ep); if (unlikely (!_ep || (!ep->desc && ep->ep.name != ep0name)) || ep->bmAttributes == USB_ENDPOINT_XFER_ISOC) { @@ -853,11 +860,11 @@ static int pxa2xx_ep_set_halt(struct usb_ep *_ep, int value) return 0; } -static int pxa2xx_ep_fifo_status(struct usb_ep *_ep) +static int pxa25x_ep_fifo_status(struct usb_ep *_ep) { - struct pxa2xx_ep *ep; + struct pxa25x_ep *ep; - ep = container_of(_ep, struct pxa2xx_ep, ep); + ep = container_of(_ep, struct pxa25x_ep, ep); if (!_ep) { DMSG("%s, bad ep\n", __func__); return -ENODEV; @@ -872,11 +879,11 @@ static int pxa2xx_ep_fifo_status(struct usb_ep *_ep) return (*ep->reg_ubcr & 0xfff) + 1; } -static void pxa2xx_ep_fifo_flush(struct usb_ep *_ep) +static void pxa25x_ep_fifo_flush(struct usb_ep *_ep) { - struct pxa2xx_ep *ep; + struct pxa25x_ep *ep; - ep = container_of(_ep, struct pxa2xx_ep, ep); + ep = container_of(_ep, struct pxa25x_ep, ep); if (!_ep || ep->ep.name == ep0name || !list_empty(&ep->queue)) { DMSG("%s, bad ep\n", __func__); return; @@ -898,19 +905,19 @@ static void pxa2xx_ep_fifo_flush(struct usb_ep *_ep) } -static struct usb_ep_ops pxa2xx_ep_ops = { - .enable = pxa2xx_ep_enable, - .disable = pxa2xx_ep_disable, +static struct usb_ep_ops pxa25x_ep_ops = { + .enable = pxa25x_ep_enable, + .disable = pxa25x_ep_disable, - .alloc_request = pxa2xx_ep_alloc_request, - .free_request = pxa2xx_ep_free_request, + .alloc_request = pxa25x_ep_alloc_request, + .free_request = pxa25x_ep_free_request, - .queue = pxa2xx_ep_queue, - .dequeue = pxa2xx_ep_dequeue, + .queue = pxa25x_ep_queue, + .dequeue = pxa25x_ep_dequeue, - .set_halt = pxa2xx_ep_set_halt, - .fifo_status = pxa2xx_ep_fifo_status, - .fifo_flush = pxa2xx_ep_fifo_flush, + .set_halt = pxa25x_ep_set_halt, + .fifo_status = pxa25x_ep_fifo_status, + .fifo_flush = pxa25x_ep_fifo_flush, }; @@ -919,12 +926,12 @@ static struct usb_ep_ops pxa2xx_ep_ops = { * --------------------------------------------------------------------------- */ -static int pxa2xx_udc_get_frame(struct usb_gadget *_gadget) +static int pxa25x_udc_get_frame(struct usb_gadget *_gadget) { return ((UFNRH & 0x07) << 8) | (UFNRL & 0xff); } -static int pxa2xx_udc_wakeup(struct usb_gadget *_gadget) +static int pxa25x_udc_wakeup(struct usb_gadget *_gadget) { /* host may not have enabled remote wakeup */ if ((UDCCS0 & UDCCS0_DRWF) == 0) @@ -933,14 +940,14 @@ static int pxa2xx_udc_wakeup(struct usb_gadget *_gadget) return 0; } -static void stop_activity(struct pxa2xx_udc *, struct usb_gadget_driver *); -static void udc_enable (struct pxa2xx_udc *); -static void udc_disable(struct pxa2xx_udc *); +static void stop_activity(struct pxa25x_udc *, struct usb_gadget_driver *); +static void udc_enable (struct pxa25x_udc *); +static void udc_disable(struct pxa25x_udc *); /* We disable the UDC -- and its 48 MHz clock -- whenever it's not * in active use. */ -static int pullup(struct pxa2xx_udc *udc) +static int pullup(struct pxa25x_udc *udc) { int is_active = udc->vbus && udc->pullup && !udc->suspended; DMSG("%s\n", is_active ? "active" : "inactive"); @@ -970,11 +977,11 @@ static int pullup(struct pxa2xx_udc *udc) } /* VBUS reporting logically comes from a transceiver */ -static int pxa2xx_udc_vbus_session(struct usb_gadget *_gadget, int is_active) +static int pxa25x_udc_vbus_session(struct usb_gadget *_gadget, int is_active) { - struct pxa2xx_udc *udc; + struct pxa25x_udc *udc; - udc = container_of(_gadget, struct pxa2xx_udc, gadget); + udc = container_of(_gadget, struct pxa25x_udc, gadget); udc->vbus = (is_active != 0); DMSG("vbus %s\n", is_active ? "supplied" : "inactive"); pullup(udc); @@ -982,11 +989,11 @@ static int pxa2xx_udc_vbus_session(struct usb_gadget *_gadget, int is_active) } /* drivers may have software control over D+ pullup */ -static int pxa2xx_udc_pullup(struct usb_gadget *_gadget, int is_active) +static int pxa25x_udc_pullup(struct usb_gadget *_gadget, int is_active) { - struct pxa2xx_udc *udc; + struct pxa25x_udc *udc; - udc = container_of(_gadget, struct pxa2xx_udc, gadget); + udc = container_of(_gadget, struct pxa25x_udc, gadget); /* not all boards support pullup control */ if (!udc->mach->gpio_pullup && !udc->mach->udc_command) @@ -997,11 +1004,11 @@ static int pxa2xx_udc_pullup(struct usb_gadget *_gadget, int is_active) return 0; } -static const struct usb_gadget_ops pxa2xx_udc_ops = { - .get_frame = pxa2xx_udc_get_frame, - .wakeup = pxa2xx_udc_wakeup, - .vbus_session = pxa2xx_udc_vbus_session, - .pullup = pxa2xx_udc_pullup, +static const struct usb_gadget_ops pxa25x_udc_ops = { + .get_frame = pxa25x_udc_get_frame, + .wakeup = pxa25x_udc_wakeup, + .vbus_session = pxa25x_udc_vbus_session, + .pullup = pxa25x_udc_pullup, // .vbus_draw ... boards may consume current from VBUS, up to // 100-500mA based on config. the 500uA suspend ceiling means @@ -1015,7 +1022,7 @@ static const struct usb_gadget_ops pxa2xx_udc_ops = { static int udc_seq_show(struct seq_file *m, void *_d) { - struct pxa2xx_udc *dev = m->private; + struct pxa25x_udc *dev = m->private; unsigned long flags; int i; u32 tmp; @@ -1076,8 +1083,8 @@ udc_seq_show(struct seq_file *m, void *_d) /* dump endpoint queues */ for (i = 0; i < PXA_UDC_NUM_ENDPOINTS; i++) { - struct pxa2xx_ep *ep = &dev->ep [i]; - struct pxa2xx_request *req; + struct pxa25x_ep *ep = &dev->ep [i]; + struct pxa25x_request *req; if (i != 0) { const struct usb_endpoint_descriptor *desc; @@ -1150,7 +1157,7 @@ static const struct file_operations debug_fops = { /* * udc_disable - disable USB device controller */ -static void udc_disable(struct pxa2xx_udc *dev) +static void udc_disable(struct pxa25x_udc *dev) { /* block all irqs */ udc_set_mask_UDCCR(UDCCR_SRM|UDCCR_REM); @@ -1170,7 +1177,7 @@ static void udc_disable(struct pxa2xx_udc *dev) /* * udc_reinit - initialize software state */ -static void udc_reinit(struct pxa2xx_udc *dev) +static void udc_reinit(struct pxa25x_udc *dev) { u32 i; @@ -1181,7 +1188,7 @@ static void udc_reinit(struct pxa2xx_udc *dev) /* basic endpoint records init */ for (i = 0; i < PXA_UDC_NUM_ENDPOINTS; i++) { - struct pxa2xx_ep *ep = &dev->ep[i]; + struct pxa25x_ep *ep = &dev->ep[i]; if (i != 0) list_add_tail (&ep->ep.ep_list, &dev->gadget.ep_list); @@ -1198,7 +1205,7 @@ static void udc_reinit(struct pxa2xx_udc *dev) /* until it's enabled, this UDC should be completely invisible * to any USB host. */ -static void udc_enable (struct pxa2xx_udc *dev) +static void udc_enable (struct pxa25x_udc *dev) { udc_clear_mask_UDCCR(UDCCR_UDE); @@ -1254,7 +1261,7 @@ static void udc_enable (struct pxa2xx_udc *dev) */ int usb_gadget_register_driver(struct usb_gadget_driver *driver) { - struct pxa2xx_udc *dev = the_controller; + struct pxa25x_udc *dev = the_controller; int retval; if (!driver @@ -1299,7 +1306,7 @@ fail: EXPORT_SYMBOL(usb_gadget_register_driver); static void -stop_activity(struct pxa2xx_udc *dev, struct usb_gadget_driver *driver) +stop_activity(struct pxa25x_udc *dev, struct usb_gadget_driver *driver) { int i; @@ -1310,7 +1317,7 @@ stop_activity(struct pxa2xx_udc *dev, struct usb_gadget_driver *driver) /* prevent new request submissions, kill any outstanding requests */ for (i = 0; i < PXA_UDC_NUM_ENDPOINTS; i++) { - struct pxa2xx_ep *ep = &dev->ep[i]; + struct pxa25x_ep *ep = &dev->ep[i]; ep->stopped = 1; nuke(ep, -ESHUTDOWN); @@ -1327,7 +1334,7 @@ stop_activity(struct pxa2xx_udc *dev, struct usb_gadget_driver *driver) int usb_gadget_unregister_driver(struct usb_gadget_driver *driver) { - struct pxa2xx_udc *dev = the_controller; + struct pxa25x_udc *dev = the_controller; if (!dev) return -ENODEV; @@ -1364,7 +1371,7 @@ EXPORT_SYMBOL(usb_gadget_unregister_driver); static irqreturn_t lubbock_vbus_irq(int irq, void *_dev) { - struct pxa2xx_udc *dev = _dev; + struct pxa25x_udc *dev = _dev; int vbus; dev->stats.irqs++; @@ -1383,7 +1390,7 @@ lubbock_vbus_irq(int irq, void *_dev) return IRQ_NONE; } - pxa2xx_udc_vbus_session(&dev->gadget, vbus); + pxa25x_udc_vbus_session(&dev->gadget, vbus); return IRQ_HANDLED; } @@ -1391,20 +1398,20 @@ lubbock_vbus_irq(int irq, void *_dev) static irqreturn_t udc_vbus_irq(int irq, void *_dev) { - struct pxa2xx_udc *dev = _dev; + struct pxa25x_udc *dev = _dev; int vbus = gpio_get_value(dev->mach->gpio_vbus); if (dev->mach->gpio_vbus_inverted) vbus = !vbus; - pxa2xx_udc_vbus_session(&dev->gadget, vbus); + pxa25x_udc_vbus_session(&dev->gadget, vbus); return IRQ_HANDLED; } /*-------------------------------------------------------------------------*/ -static inline void clear_ep_state (struct pxa2xx_udc *dev) +static inline void clear_ep_state (struct pxa25x_udc *dev) { unsigned i; @@ -1417,7 +1424,7 @@ static inline void clear_ep_state (struct pxa2xx_udc *dev) static void udc_watchdog(unsigned long _dev) { - struct pxa2xx_udc *dev = (void *)_dev; + struct pxa25x_udc *dev = (void *)_dev; local_irq_disable(); if (dev->ep0state == EP0_STALL @@ -1430,11 +1437,11 @@ static void udc_watchdog(unsigned long _dev) local_irq_enable(); } -static void handle_ep0 (struct pxa2xx_udc *dev) +static void handle_ep0 (struct pxa25x_udc *dev) { u32 udccs0 = UDCCS0; - struct pxa2xx_ep *ep = &dev->ep [0]; - struct pxa2xx_request *req; + struct pxa25x_ep *ep = &dev->ep [0]; + struct pxa25x_request *req; union { struct usb_ctrlrequest r; u8 raw [8]; @@ -1444,7 +1451,7 @@ static void handle_ep0 (struct pxa2xx_udc *dev) if (list_empty(&ep->queue)) req = NULL; else - req = list_entry(ep->queue.next, struct pxa2xx_request, queue); + req = list_entry(ep->queue.next, struct pxa25x_request, queue); /* clear stall status */ if (udccs0 & UDCCS0_SST) { @@ -1654,9 +1661,9 @@ stall: USIR0 = USIR0_IR0; } -static void handle_ep(struct pxa2xx_ep *ep) +static void handle_ep(struct pxa25x_ep *ep) { - struct pxa2xx_request *req; + struct pxa25x_request *req; int is_in = ep->bEndpointAddress & USB_DIR_IN; int completed; u32 udccs, tmp; @@ -1665,7 +1672,7 @@ static void handle_ep(struct pxa2xx_ep *ep) completed = 0; if (likely (!list_empty(&ep->queue))) req = list_entry(ep->queue.next, - struct pxa2xx_request, queue); + struct pxa25x_request, queue); else req = NULL; @@ -1702,16 +1709,16 @@ static void handle_ep(struct pxa2xx_ep *ep) } /* - * pxa2xx_udc_irq - interrupt handler + * pxa25x_udc_irq - interrupt handler * * avoid delays in ep0 processing. the control handshaking isn't always * under software control (pxa250c0 and the pxa255 are better), and delays * could cause usb protocol errors. */ static irqreturn_t -pxa2xx_udc_irq(int irq, void *_dev) +pxa25x_udc_irq(int irq, void *_dev) { - struct pxa2xx_udc *dev = _dev; + struct pxa25x_udc *dev = _dev; int handled; dev->stats.irqs++; @@ -1820,9 +1827,9 @@ static void nop_release (struct device *dev) * doing it at run-time) to save code, eliminate fault paths, and * be more obviously correct. */ -static struct pxa2xx_udc memory = { +static struct pxa25x_udc memory = { .gadget = { - .ops = &pxa2xx_udc_ops, + .ops = &pxa25x_udc_ops, .ep0 = &memory.ep[0].ep, .name = driver_name, .dev = { @@ -1835,7 +1842,7 @@ static struct pxa2xx_udc memory = { .ep[0] = { .ep = { .name = ep0name, - .ops = &pxa2xx_ep_ops, + .ops = &pxa25x_ep_ops, .maxpacket = EP0_FIFO_SIZE, }, .dev = &memory, @@ -1847,7 +1854,7 @@ static struct pxa2xx_udc memory = { .ep[1] = { .ep = { .name = "ep1in-bulk", - .ops = &pxa2xx_ep_ops, + .ops = &pxa25x_ep_ops, .maxpacket = BULK_FIFO_SIZE, }, .dev = &memory, @@ -1860,7 +1867,7 @@ static struct pxa2xx_udc memory = { .ep[2] = { .ep = { .name = "ep2out-bulk", - .ops = &pxa2xx_ep_ops, + .ops = &pxa25x_ep_ops, .maxpacket = BULK_FIFO_SIZE, }, .dev = &memory, @@ -1871,11 +1878,11 @@ static struct pxa2xx_udc memory = { .reg_ubcr = &UBCR2, .reg_uddr = &UDDR2, }, -#ifndef CONFIG_USB_PXA2XX_SMALL +#ifndef CONFIG_USB_PXA25X_SMALL .ep[3] = { .ep = { .name = "ep3in-iso", - .ops = &pxa2xx_ep_ops, + .ops = &pxa25x_ep_ops, .maxpacket = ISO_FIFO_SIZE, }, .dev = &memory, @@ -1888,7 +1895,7 @@ static struct pxa2xx_udc memory = { .ep[4] = { .ep = { .name = "ep4out-iso", - .ops = &pxa2xx_ep_ops, + .ops = &pxa25x_ep_ops, .maxpacket = ISO_FIFO_SIZE, }, .dev = &memory, @@ -1902,7 +1909,7 @@ static struct pxa2xx_udc memory = { .ep[5] = { .ep = { .name = "ep5in-int", - .ops = &pxa2xx_ep_ops, + .ops = &pxa25x_ep_ops, .maxpacket = INT_FIFO_SIZE, }, .dev = &memory, @@ -1917,7 +1924,7 @@ static struct pxa2xx_udc memory = { .ep[6] = { .ep = { .name = "ep6in-bulk", - .ops = &pxa2xx_ep_ops, + .ops = &pxa25x_ep_ops, .maxpacket = BULK_FIFO_SIZE, }, .dev = &memory, @@ -1930,7 +1937,7 @@ static struct pxa2xx_udc memory = { .ep[7] = { .ep = { .name = "ep7out-bulk", - .ops = &pxa2xx_ep_ops, + .ops = &pxa25x_ep_ops, .maxpacket = BULK_FIFO_SIZE, }, .dev = &memory, @@ -1944,7 +1951,7 @@ static struct pxa2xx_udc memory = { .ep[8] = { .ep = { .name = "ep8in-iso", - .ops = &pxa2xx_ep_ops, + .ops = &pxa25x_ep_ops, .maxpacket = ISO_FIFO_SIZE, }, .dev = &memory, @@ -1957,7 +1964,7 @@ static struct pxa2xx_udc memory = { .ep[9] = { .ep = { .name = "ep9out-iso", - .ops = &pxa2xx_ep_ops, + .ops = &pxa25x_ep_ops, .maxpacket = ISO_FIFO_SIZE, }, .dev = &memory, @@ -1971,7 +1978,7 @@ static struct pxa2xx_udc memory = { .ep[10] = { .ep = { .name = "ep10in-int", - .ops = &pxa2xx_ep_ops, + .ops = &pxa25x_ep_ops, .maxpacket = INT_FIFO_SIZE, }, .dev = &memory, @@ -1986,7 +1993,7 @@ static struct pxa2xx_udc memory = { .ep[11] = { .ep = { .name = "ep11in-bulk", - .ops = &pxa2xx_ep_ops, + .ops = &pxa25x_ep_ops, .maxpacket = BULK_FIFO_SIZE, }, .dev = &memory, @@ -1999,7 +2006,7 @@ static struct pxa2xx_udc memory = { .ep[12] = { .ep = { .name = "ep12out-bulk", - .ops = &pxa2xx_ep_ops, + .ops = &pxa25x_ep_ops, .maxpacket = BULK_FIFO_SIZE, }, .dev = &memory, @@ -2013,7 +2020,7 @@ static struct pxa2xx_udc memory = { .ep[13] = { .ep = { .name = "ep13in-iso", - .ops = &pxa2xx_ep_ops, + .ops = &pxa25x_ep_ops, .maxpacket = ISO_FIFO_SIZE, }, .dev = &memory, @@ -2026,7 +2033,7 @@ static struct pxa2xx_udc memory = { .ep[14] = { .ep = { .name = "ep14out-iso", - .ops = &pxa2xx_ep_ops, + .ops = &pxa25x_ep_ops, .maxpacket = ISO_FIFO_SIZE, }, .dev = &memory, @@ -2040,7 +2047,7 @@ static struct pxa2xx_udc memory = { .ep[15] = { .ep = { .name = "ep15in-int", - .ops = &pxa2xx_ep_ops, + .ops = &pxa25x_ep_ops, .maxpacket = INT_FIFO_SIZE, }, .dev = &memory, @@ -2050,7 +2057,7 @@ static struct pxa2xx_udc memory = { .reg_udccs = &UDCCS15, .reg_uddr = &UDDR15, }, -#endif /* !CONFIG_USB_PXA2XX_SMALL */ +#endif /* !CONFIG_USB_PXA25X_SMALL */ }; #define CP15R0_VENDOR_MASK 0xffffe000 @@ -2090,9 +2097,9 @@ static struct pxa2xx_udc memory = { /* * probe - binds to the platform device */ -static int __init pxa2xx_udc_probe(struct platform_device *pdev) +static int __init pxa25x_udc_probe(struct platform_device *pdev) { - struct pxa2xx_udc *dev = &memory; + struct pxa25x_udc *dev = &memory; int retval, vbus_irq, irq; u32 chiprev; @@ -2155,7 +2162,7 @@ static int __init pxa2xx_udc_probe(struct platform_device *pdev) if (dev->mach->gpio_vbus) { if ((retval = gpio_request(dev->mach->gpio_vbus, - "pxa2xx_udc GPIO VBUS"))) { + "pxa25x_udc GPIO VBUS"))) { dev_dbg(&pdev->dev, "can't get vbus gpio %d, err: %d\n", dev->mach->gpio_vbus, retval); @@ -2168,7 +2175,7 @@ static int __init pxa2xx_udc_probe(struct platform_device *pdev) if (dev->mach->gpio_pullup) { if ((retval = gpio_request(dev->mach->gpio_pullup, - "pca2xx_udc GPIO PULLUP"))) { + "pca25x_udc GPIO PULLUP"))) { dev_dbg(&pdev->dev, "can't get pullup gpio %d, err: %d\n", dev->mach->gpio_pullup, retval); @@ -2194,7 +2201,7 @@ static int __init pxa2xx_udc_probe(struct platform_device *pdev) dev->vbus = is_vbus_present(); /* irq setup after old hardware state is cleaned up */ - retval = request_irq(irq, pxa2xx_udc_irq, + retval = request_irq(irq, pxa25x_udc_irq, IRQF_DISABLED, driver_name, dev); if (retval != 0) { pr_err("%s: can't get irq %d, err %d\n", @@ -2260,14 +2267,14 @@ lubbock_fail0: return retval; } -static void pxa2xx_udc_shutdown(struct platform_device *_dev) +static void pxa25x_udc_shutdown(struct platform_device *_dev) { pullup_off(); } -static int __exit pxa2xx_udc_remove(struct platform_device *pdev) +static int __exit pxa25x_udc_remove(struct platform_device *pdev) { - struct pxa2xx_udc *dev = platform_get_drvdata(pdev); + struct pxa25x_udc *dev = platform_get_drvdata(pdev); if (dev->driver) return -EBUSY; @@ -2317,9 +2324,9 @@ static int __exit pxa2xx_udc_remove(struct platform_device *pdev) * VBUS IRQs should probably be ignored so that the PXA device just acts * "dead" to USB hosts until system resume. */ -static int pxa2xx_udc_suspend(struct platform_device *dev, pm_message_t state) +static int pxa25x_udc_suspend(struct platform_device *dev, pm_message_t state) { - struct pxa2xx_udc *udc = platform_get_drvdata(dev); + struct pxa25x_udc *udc = platform_get_drvdata(dev); unsigned long flags; if (!udc->mach->gpio_pullup && !udc->mach->udc_command) @@ -2333,9 +2340,9 @@ static int pxa2xx_udc_suspend(struct platform_device *dev, pm_message_t state) return 0; } -static int pxa2xx_udc_resume(struct platform_device *dev) +static int pxa25x_udc_resume(struct platform_device *dev) { - struct pxa2xx_udc *udc = platform_get_drvdata(dev); + struct pxa25x_udc *udc = platform_get_drvdata(dev); unsigned long flags; udc->suspended = 0; @@ -2347,27 +2354,27 @@ static int pxa2xx_udc_resume(struct platform_device *dev) } #else -#define pxa2xx_udc_suspend NULL -#define pxa2xx_udc_resume NULL +#define pxa25x_udc_suspend NULL +#define pxa25x_udc_resume NULL #endif /*-------------------------------------------------------------------------*/ static struct platform_driver udc_driver = { - .shutdown = pxa2xx_udc_shutdown, - .remove = __exit_p(pxa2xx_udc_remove), - .suspend = pxa2xx_udc_suspend, - .resume = pxa2xx_udc_resume, + .shutdown = pxa25x_udc_shutdown, + .remove = __exit_p(pxa25x_udc_remove), + .suspend = pxa25x_udc_suspend, + .resume = pxa25x_udc_resume, .driver = { .owner = THIS_MODULE, - .name = "pxa2xx-udc", + .name = "pxa25x-udc", }, }; static int __init udc_init(void) { pr_info("%s: version %s\n", driver_name, DRIVER_VERSION); - return platform_driver_probe(&udc_driver, pxa2xx_udc_probe); + return platform_driver_probe(&udc_driver, pxa25x_udc_probe); } module_init(udc_init); @@ -2380,4 +2387,4 @@ module_exit(udc_exit); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_AUTHOR("Frank Becker, Robert Schwebel, David Brownell"); MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:pxa2xx-udc"); +MODULE_ALIAS("platform:pxa25x-udc"); diff --git a/drivers/usb/gadget/pxa2xx_udc.h b/drivers/usb/gadget/pxa25x_udc.h index e2c19e8..4d11ece 100644 --- a/drivers/usb/gadget/pxa2xx_udc.h +++ b/drivers/usb/gadget/pxa25x_udc.h @@ -1,6 +1,5 @@ /* - * linux/drivers/usb/gadget/pxa2xx_udc.h - * Intel PXA2xx on-chip full speed USB device controller + * Intel PXA25x on-chip full speed USB device controller * * Copyright (C) 2003 Robert Schwebel <r.schwebel@pengutronix.de>, Pengutronix * Copyright (C) 2003 David Brownell @@ -21,14 +20,14 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ -#ifndef __LINUX_USB_GADGET_PXA2XX_H -#define __LINUX_USB_GADGET_PXA2XX_H +#ifndef __LINUX_USB_GADGET_PXA25X_H +#define __LINUX_USB_GADGET_PXA25X_H #include <linux/types.h> /*-------------------------------------------------------------------------*/ -/* pxa2xx has this (move to include/asm-arm/arch-pxa/pxa-regs.h) */ +/* pxa25x has this (move to include/asm-arm/arch-pxa/pxa-regs.h) */ #define UFNRH_SIR (1 << 7) /* SOF interrupt request */ #define UFNRH_SIM (1 << 6) /* SOF interrupt mask */ #define UFNRH_IPE14 (1 << 5) /* ISO packet error, ep14 */ @@ -45,11 +44,11 @@ /*-------------------------------------------------------------------------*/ -struct pxa2xx_udc; +struct pxa25x_udc; -struct pxa2xx_ep { +struct pxa25x_ep { struct usb_ep ep; - struct pxa2xx_udc *dev; + struct pxa25x_udc *dev; const struct usb_endpoint_descriptor *desc; struct list_head queue; @@ -72,7 +71,7 @@ struct pxa2xx_ep { volatile u32 *reg_uddr; }; -struct pxa2xx_request { +struct pxa25x_request { struct usb_request req; struct list_head queue; }; @@ -98,7 +97,7 @@ struct udc_stats { unsigned long irqs; }; -#ifdef CONFIG_USB_PXA2XX_SMALL +#ifdef CONFIG_USB_PXA25X_SMALL /* when memory's tight, SMALL config saves code+data. */ #define PXA_UDC_NUM_ENDPOINTS 3 #endif @@ -107,7 +106,7 @@ struct udc_stats { #define PXA_UDC_NUM_ENDPOINTS 16 #endif -struct pxa2xx_udc { +struct pxa25x_udc { struct usb_gadget gadget; struct usb_gadget_driver *driver; @@ -130,7 +129,7 @@ struct pxa2xx_udc { struct clk *clk; struct pxa2xx_udc_mach_info *mach; u64 dma_mask; - struct pxa2xx_ep ep [PXA_UDC_NUM_ENDPOINTS]; + struct pxa25x_ep ep [PXA_UDC_NUM_ENDPOINTS]; #ifdef CONFIG_USB_GADGET_DEBUG_FS struct dentry *debugfs_udc; @@ -144,7 +143,7 @@ struct pxa2xx_udc { /* lubbock can also report usb connect/disconnect irqs */ #endif -static struct pxa2xx_udc *the_controller; +static struct pxa25x_udc *the_controller; /*-------------------------------------------------------------------------*/ @@ -209,7 +208,7 @@ dump_udccs0(const char *label) } static void __maybe_unused -dump_state(struct pxa2xx_udc *dev) +dump_state(struct pxa25x_udc *dev) { u32 tmp; unsigned i; @@ -264,4 +263,4 @@ dump_state(struct pxa2xx_udc *dev) #define INFO(stuff...) pr_info("udc: " stuff) -#endif /* __LINUX_USB_GADGET_PXA2XX_H */ +#endif /* __LINUX_USB_GADGET_PXA25X_H */ diff --git a/drivers/usb/gadget/pxa27x_udc.c b/drivers/usb/gadget/pxa27x_udc.c index e02bfd4..9c0e82e 100644 --- a/drivers/usb/gadget/pxa27x_udc.c +++ b/drivers/usb/gadget/pxa27x_udc.c @@ -38,7 +38,7 @@ #include <linux/usb.h> #include <linux/usb/ch9.h> #include <linux/usb/gadget.h> - +#include <asm/arch/pxa2xx-regs.h> /* FIXME: for PSSR */ #include <asm/arch/udc.h> #include "pxa27x_udc.h" @@ -2360,18 +2360,19 @@ static int pxa_udc_resume(struct platform_device *_dev) * Software must configure the USB OTG pad, UDC, and UHC * to the state they were in before entering sleep mode. */ - PSSR |= PSSR_OTGPH; + if (cpu_is_pxa27x()) + PSSR |= PSSR_OTGPH; return 0; } #endif /* work with hotplug and coldplug */ -MODULE_ALIAS("platform:pxa2xx-udc"); +MODULE_ALIAS("platform:pxa27x-udc"); static struct platform_driver udc_driver = { .driver = { - .name = "pxa2xx-udc", + .name = "pxa27x-udc", .owner = THIS_MODULE, }, .remove = __exit_p(pxa_udc_remove), diff --git a/drivers/usb/gadget/pxa27x_udc.h b/drivers/usb/gadget/pxa27x_udc.h index 97453db..1d1b793 100644 --- a/drivers/usb/gadget/pxa27x_udc.h +++ b/drivers/usb/gadget/pxa27x_udc.h @@ -484,12 +484,4 @@ static inline struct pxa_udc *to_gadget_udc(struct usb_gadget *gadget) #define ep_warn(ep, fmt, arg...) \ dev_warn(ep->dev->dev, "%s:%s:" fmt, EPNAME(ep), __func__, ## arg) -/* - * Cannot include pxa-regs.h, as register names are similar. - * So PSSR is redefined here. This should be removed once UDC registers will - * be gone from pxa-regs.h. - */ -#define PSSR __REG(0x40F00004) /* Power Manager Sleep Status */ -#define PSSR_OTGPH (1 << 6) /* OTG Peripheral Hold */ - #endif /* __LINUX_USB_GADGET_PXA27X_H */ diff --git a/drivers/usb/host/ohci-pxa27x.c b/drivers/usb/host/ohci-pxa27x.c index 70b0d4b..08b27d6 100644 --- a/drivers/usb/host/ohci-pxa27x.c +++ b/drivers/usb/host/ohci-pxa27x.c @@ -27,6 +27,7 @@ #include <asm/mach-types.h> #include <asm/hardware.h> #include <asm/arch/pxa-regs.h> +#include <asm/arch/pxa2xx-regs.h> /* FIXME: for PSSR */ #include <asm/arch/ohci.h> #define PXA_UHC_MAX_PORTNUM 3 @@ -104,7 +105,7 @@ static int pxa27x_start_hc(struct device *dev) UHCHIE = (UHCHIE_UPRIE | UHCHIE_RWIE); /* Clear any OTG Pin Hold */ - if (PSSR & PSSR_OTGPH) + if (cpu_is_pxa27x() && (PSSR & PSSR_OTGPH)) PSSR |= PSSR_OTGPH; return 0; diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig index dcd8073..30bf7f2 100644 --- a/drivers/video/backlight/Kconfig +++ b/drivers/video/backlight/Kconfig @@ -112,3 +112,10 @@ config BACKLIGHT_CARILLO_RANCH help If you have a Intel LE80578 (Carillo Ranch) say Y to enable the backlight driver. + +config BACKLIGHT_PWM + tristate "Generic PWM based Backlight Driver" + depends on BACKLIGHT_CLASS_DEVICE && HAVE_PWM + help + If you have a LCD backlight adjustable by PWM, say Y to enable + this driver. diff --git a/drivers/video/backlight/Makefile b/drivers/video/backlight/Makefile index 33f6c7c..b51a7cd 100644 --- a/drivers/video/backlight/Makefile +++ b/drivers/video/backlight/Makefile @@ -10,3 +10,4 @@ obj-$(CONFIG_BACKLIGHT_LOCOMO) += locomolcd.o obj-$(CONFIG_BACKLIGHT_OMAP1) += omap1_bl.o obj-$(CONFIG_BACKLIGHT_PROGEAR) += progear_bl.o obj-$(CONFIG_BACKLIGHT_CARILLO_RANCH) += cr_bllcd.o +obj-$(CONFIG_BACKLIGHT_PWM) += pwm_bl.o diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c new file mode 100644 index 0000000..6338d0e --- /dev/null +++ b/drivers/video/backlight/pwm_bl.c @@ -0,0 +1,185 @@ +/* + * linux/drivers/video/backlight/pwm_bl.c + * + * simple PWM based backlight control, board code has to setup + * 1) pin configuration so PWM waveforms can output + * 2) platform_data casts to the PWM id (0/1/2/3 on PXA) + * + * 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/platform_device.h> +#include <linux/fb.h> +#include <linux/backlight.h> +#include <linux/err.h> +#include <linux/pwm.h> +#include <linux/pwm_backlight.h> + +struct pwm_bl_data { + struct pwm_device *pwm; + unsigned int period; + int (*notify)(int brightness); +}; + +static int pwm_backlight_update_status(struct backlight_device *bl) +{ + struct pwm_bl_data *pb = dev_get_drvdata(&bl->dev); + int brightness = bl->props.brightness; + int max = bl->props.max_brightness; + + if (bl->props.power != FB_BLANK_UNBLANK) + brightness = 0; + + if (bl->props.fb_blank != FB_BLANK_UNBLANK) + brightness = 0; + + if (pb->notify) + brightness = pb->notify(brightness); + + if (brightness == 0) { + pwm_config(pb->pwm, 0, pb->period); + pwm_disable(pb->pwm); + } else { + pwm_config(pb->pwm, brightness * pb->period / max, pb->period); + pwm_enable(pb->pwm); + } + return 0; +} + +static int pwm_backlight_get_brightness(struct backlight_device *bl) +{ + return bl->props.brightness; +} + +static struct backlight_ops pwm_backlight_ops = { + .update_status = pwm_backlight_update_status, + .get_brightness = pwm_backlight_get_brightness, +}; + +static int pwm_backlight_probe(struct platform_device *pdev) +{ + struct platform_pwm_backlight_data *data = pdev->dev.platform_data; + struct backlight_device *bl; + struct pwm_bl_data *pb; + int ret; + + if (!data) + return -EINVAL; + + if (data->init) { + ret = data->init(&pdev->dev); + if (ret < 0) + return ret; + } + + pb = kzalloc(sizeof(*pb), GFP_KERNEL); + if (!pb) { + ret = -ENOMEM; + goto err_alloc; + } + + pb->period = data->pwm_period_ns; + pb->notify = data->notify; + + pb->pwm = pwm_request(data->pwm_id, "backlight"); + if (IS_ERR(pb->pwm)) { + dev_err(&pdev->dev, "unable to request PWM for backlight\n"); + ret = PTR_ERR(pb->pwm); + goto err_pwm; + } + + bl = backlight_device_register(pdev->name, &pdev->dev, + pb, &pwm_backlight_ops); + if (IS_ERR(bl)) { + dev_err(&pdev->dev, "failed to register backlight\n"); + ret = PTR_ERR(bl); + goto err_bl; + } + + bl->props.max_brightness = data->max_brightness; + bl->props.brightness = data->dft_brightness; + backlight_update_status(bl); + + platform_set_drvdata(pdev, bl); + return 0; + +err_bl: + pwm_free(pb->pwm); +err_pwm: + kfree(pb); +err_alloc: + if (data->exit) + data->exit(&pdev->dev); + return ret; +} + +static int pwm_backlight_remove(struct platform_device *pdev) +{ + struct platform_pwm_backlight_data *data = pdev->dev.platform_data; + struct backlight_device *bl = platform_get_drvdata(pdev); + struct pwm_bl_data *pb = dev_get_drvdata(&bl->dev); + + backlight_device_unregister(bl); + pwm_config(pb->pwm, 0, pb->period); + pwm_disable(pb->pwm); + pwm_free(pb->pwm); + kfree(pb); + if (data->exit) + data->exit(&pdev->dev); + return 0; +} + +#ifdef CONFIG_PM +static int pwm_backlight_suspend(struct platform_device *pdev, + pm_message_t state) +{ + struct backlight_device *bl = platform_get_drvdata(pdev); + struct pwm_bl_data *pb = dev_get_drvdata(&bl->dev); + + pwm_config(pb->pwm, 0, pb->period); + pwm_disable(pb->pwm); + return 0; +} + +static int pwm_backlight_resume(struct platform_device *pdev) +{ + struct backlight_device *bl = platform_get_drvdata(pdev); + + backlight_update_status(bl); + return 0; +} +#else +#define pwm_backlight_suspend NULL +#define pwm_backlight_resume NULL +#endif + +static struct platform_driver pwm_backlight_driver = { + .driver = { + .name = "pwm-backlight", + .owner = THIS_MODULE, + }, + .probe = pwm_backlight_probe, + .remove = pwm_backlight_remove, + .suspend = pwm_backlight_suspend, + .resume = pwm_backlight_resume, +}; + +static int __init pwm_backlight_init(void) +{ + return platform_driver_register(&pwm_backlight_driver); +} +module_init(pwm_backlight_init); + +static void __exit pwm_backlight_exit(void) +{ + platform_driver_unregister(&pwm_backlight_driver); +} +module_exit(pwm_backlight_exit); + +MODULE_DESCRIPTION("PWM based Backlight Driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c index fafe7db..bb25143 100644 --- a/drivers/video/pxafb.c +++ b/drivers/video/pxafb.c @@ -227,6 +227,22 @@ static int pxafb_bpp_to_lccr3(struct fb_var_screeninfo *var) case 4: ret = LCCR3_4BPP; break; case 8: ret = LCCR3_8BPP; break; case 16: ret = LCCR3_16BPP; break; + case 24: + switch (var->red.length + var->green.length + + var->blue.length + var->transp.length) { + case 18: ret = LCCR3_18BPP_P | LCCR3_PDFOR_3; break; + case 19: ret = LCCR3_19BPP_P; break; + } + break; + case 32: + switch (var->red.length + var->green.length + + var->blue.length + var->transp.length) { + case 18: ret = LCCR3_18BPP | LCCR3_PDFOR_3; break; + case 19: ret = LCCR3_19BPP; break; + case 24: ret = LCCR3_24BPP | LCCR3_PDFOR_3; break; + case 25: ret = LCCR3_25BPP; break; + } + break; } return ret; } @@ -345,6 +361,41 @@ static int pxafb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) var->green.offset = 5; var->green.length = 6; var->blue.offset = 0; var->blue.length = 5; var->transp.offset = var->transp.length = 0; + } else if (var->bits_per_pixel > 16) { + struct pxafb_mode_info *mode; + + mode = pxafb_getmode(inf, var); + if (!mode) + return -EINVAL; + + switch (mode->depth) { + case 18: /* RGB666 */ + var->transp.offset = var->transp.length = 0; + var->red.offset = 12; var->red.length = 6; + var->green.offset = 6; var->green.length = 6; + var->blue.offset = 0; var->blue.length = 6; + break; + case 19: /* RGBT666 */ + var->transp.offset = 18; var->transp.length = 1; + var->red.offset = 12; var->red.length = 6; + var->green.offset = 6; var->green.length = 6; + var->blue.offset = 0; var->blue.length = 6; + break; + case 24: /* RGB888 */ + var->transp.offset = var->transp.length = 0; + var->red.offset = 16; var->red.length = 8; + var->green.offset = 8; var->green.length = 8; + var->blue.offset = 0; var->blue.length = 8; + break; + case 25: /* RGBT888 */ + var->transp.offset = 24; var->transp.length = 1; + var->red.offset = 16; var->red.length = 8; + var->green.offset = 8; var->green.length = 8; + var->blue.offset = 0; var->blue.length = 8; + break; + default: + return -EINVAL; + } } else { var->red.offset = var->green.offset = 0; var->blue.offset = var->transp.offset = 0; @@ -376,7 +427,7 @@ static int pxafb_set_par(struct fb_info *info) struct pxafb_info *fbi = (struct pxafb_info *)info; struct fb_var_screeninfo *var = &info->var; - if (var->bits_per_pixel == 16) + if (var->bits_per_pixel >= 16) fbi->fb.fix.visual = FB_VISUAL_TRUECOLOR; else if (!fbi->cmap_static) fbi->fb.fix.visual = FB_VISUAL_PSEUDOCOLOR; @@ -391,7 +442,7 @@ static int pxafb_set_par(struct fb_info *info) fbi->fb.fix.line_length = var->xres_virtual * var->bits_per_pixel / 8; - if (var->bits_per_pixel == 16) + if (var->bits_per_pixel >= 16) fbi->palette_size = 0; else fbi->palette_size = var->bits_per_pixel == 1 ? @@ -404,7 +455,7 @@ static int pxafb_set_par(struct fb_info *info) */ pxafb_set_truecolor(fbi->fb.fix.visual == FB_VISUAL_TRUECOLOR); - if (fbi->fb.var.bits_per_pixel == 16) + if (fbi->fb.var.bits_per_pixel >= 16) fb_dealloc_cmap(&fbi->fb.cmap); else fb_alloc_cmap(&fbi->fb.cmap, 1<<fbi->fb.var.bits_per_pixel, 0); @@ -831,6 +882,8 @@ static int pxafb_activate_var(struct fb_var_screeninfo *var, case 4: case 8: case 16: + case 24: + case 32: break; default: printk(KERN_ERR "%s: invalid bit depth %d\n", @@ -968,6 +1021,11 @@ static void pxafb_setup_gpio(struct pxafb_info *fbi) for (gpio = 58; ldd_bits; gpio++, ldd_bits--) pxa_gpio_mode(gpio | GPIO_ALT_FN_2_OUT); + /* 18 bit interface */ + if (fbi->fb.var.bits_per_pixel > 16) { + pxa_gpio_mode(86 | GPIO_ALT_FN_2_OUT); + pxa_gpio_mode(87 | GPIO_ALT_FN_2_OUT); + } pxa_gpio_mode(GPIO74_LCD_FCLK_MD); pxa_gpio_mode(GPIO75_LCD_LCLK_MD); pxa_gpio_mode(GPIO76_LCD_PCLK_MD); @@ -1792,11 +1850,49 @@ failed: return ret; } +static int __devexit pxafb_remove(struct platform_device *dev) +{ + struct pxafb_info *fbi = platform_get_drvdata(dev); + struct resource *r; + int irq; + struct fb_info *info; + + if (!fbi) + return 0; + + info = &fbi->fb; + + unregister_framebuffer(info); + + pxafb_disable_controller(fbi); + + if (fbi->fb.cmap.len) + fb_dealloc_cmap(&fbi->fb.cmap); + + irq = platform_get_irq(dev, 0); + free_irq(irq, fbi); + + dma_free_writecombine(&dev->dev, fbi->map_size, + fbi->map_cpu, fbi->map_dma); + + iounmap(fbi->mmio_base); + + r = platform_get_resource(dev, IORESOURCE_MEM, 0); + release_mem_region(r->start, r->end - r->start + 1); + + clk_put(fbi->clk); + kfree(fbi); + + return 0; +} + static struct platform_driver pxafb_driver = { .probe = pxafb_probe, + .remove = pxafb_remove, .suspend = pxafb_suspend, .resume = pxafb_resume, .driver = { + .owner = THIS_MODULE, .name = "pxa2xx-fb", }, }; @@ -1809,7 +1905,13 @@ static int __init pxafb_init(void) return platform_driver_register(&pxafb_driver); } +static void __exit pxafb_exit(void) +{ + platform_driver_unregister(&pxafb_driver); +} + module_init(pxafb_init); +module_exit(pxafb_exit); MODULE_DESCRIPTION("loadable framebuffer driver for PXA"); MODULE_LICENSE("GPL"); |