diff options
62 files changed, 804 insertions, 245 deletions
diff --git a/arch/arm/mach-s3c2410/gpio.c b/arch/arm/mach-s3c2410/gpio.c index 7974afca297..9664e011dae 100644 --- a/arch/arm/mach-s3c2410/gpio.c +++ b/arch/arm/mach-s3c2410/gpio.c @@ -28,6 +28,7 @@ #include <linux/io.h> #include <mach/hardware.h> +#include <mach/gpio-fns.h> #include <asm/irq.h> #include <mach/regs-gpio.h> diff --git a/arch/arm/mach-s3c2410/include/mach/dma.h b/arch/arm/mach-s3c2410/include/mach/dma.h index c3a2629e0de..92e2687009e 100644 --- a/arch/arm/mach-s3c2410/include/mach/dma.h +++ b/arch/arm/mach-s3c2410/include/mach/dma.h @@ -110,6 +110,8 @@ enum s3c2410_dma_loadst { * waiting for reloads */ #define S3C2410_DMAF_AUTOSTART (1<<1) /* auto-start if buffer queued */ +#define S3C2410_DMAF_CIRCULAR (1 << 2) /* no circular dma support */ + /* dma buffer */ struct s3c2410_dma_buf; @@ -194,4 +196,9 @@ struct s3c2410_dma_chan { typedef unsigned long dma_device_t; +static inline bool s3c_dma_has_circular(void) +{ + return false; +} + #endif /* __ASM_ARCH_DMA_H */ diff --git a/arch/arm/mach-s3c2440/Kconfig b/arch/arm/mach-s3c2440/Kconfig index d7bba919a77..a8b69d77571 100644 --- a/arch/arm/mach-s3c2440/Kconfig +++ b/arch/arm/mach-s3c2440/Kconfig @@ -103,6 +103,7 @@ config MACH_MINI2440 select LEDS_TRIGGER_BACKLIGHT select SND_S3C24XX_SOC_S3C24XX_UDA134X select S3C_DEV_NAND + select S3C_DEV_USB_HOST help Say Y here to select support for the MINI2440. Is a 10cm x 10cm board available via various sources. It can come with a 3.5" or 7" touch LCD. diff --git a/arch/arm/mach-s3c2440/mach-mini2440.c b/arch/arm/mach-s3c2440/mach-mini2440.c index ec71a696578..1c3382fefdd 100644 --- a/arch/arm/mach-s3c2440/mach-mini2440.c +++ b/arch/arm/mach-s3c2440/mach-mini2440.c @@ -144,7 +144,7 @@ static struct s3c2410_udc_mach_info mini2440_udc_cfg __initdata = { .type = (S3C2410_LCDCON1_TFT16BPP |\ S3C2410_LCDCON1_TFT) -struct s3c2410fb_display mini2440_lcd_cfg[] __initdata = { +static struct s3c2410fb_display mini2440_lcd_cfg[] __initdata = { [0] = { /* mini2440 + 3.5" TFT + touchscreen */ _LCD_DECLARE( 7, /* The 3.5 is quite fast */ @@ -191,7 +191,7 @@ struct s3c2410fb_display mini2440_lcd_cfg[] __initdata = { #define S3C2410_GPCCON_MASK(x) (3 << ((x) * 2)) #define S3C2410_GPDCON_MASK(x) (3 << ((x) * 2)) -struct s3c2410fb_mach_info mini2440_fb_info __initdata = { +static struct s3c2410fb_mach_info mini2440_fb_info __initdata = { .displays = &mini2440_lcd_cfg[0], /* not constant! see init */ .num_displays = 1, .default_display = 0, diff --git a/arch/arm/mach-s3c6400/include/mach/dma.h b/arch/arm/mach-s3c6400/include/mach/dma.h index 1067619f0ba..004edab2395 100644 --- a/arch/arm/mach-s3c6400/include/mach/dma.h +++ b/arch/arm/mach-s3c6400/include/mach/dma.h @@ -68,6 +68,11 @@ static __inline__ int s3c_dma_has_circular(void) #define S3C2410_DMAF_CIRCULAR (1 << 0) +static inline bool s3c_dma_has_circular(void) +{ + return false; +} + #include <plat/dma.h> #endif /* __ASM_ARCH_IRQ_H */ diff --git a/arch/arm/plat-s3c24xx/adc.c b/arch/arm/plat-s3c24xx/adc.c index 4d36b784fb8..df47322492d 100644 --- a/arch/arm/plat-s3c24xx/adc.c +++ b/arch/arm/plat-s3c24xx/adc.c @@ -189,7 +189,7 @@ int s3c_adc_read(struct s3c_adc_client *client, unsigned int ch) err: return ret; } -EXPORT_SYMBOL_GPL(s3c_adc_convert); +EXPORT_SYMBOL_GPL(s3c_adc_read); static void s3c_adc_default_select(struct s3c_adc_client *client, unsigned select) diff --git a/arch/arm/plat-s3c24xx/cpu.c b/arch/arm/plat-s3c24xx/cpu.c index 5447e60f393..4af9dd94879 100644 --- a/arch/arm/plat-s3c24xx/cpu.c +++ b/arch/arm/plat-s3c24xx/cpu.c @@ -61,6 +61,7 @@ static const char name_s3c2410[] = "S3C2410"; static const char name_s3c2412[] = "S3C2412"; static const char name_s3c2440[] = "S3C2440"; static const char name_s3c2442[] = "S3C2442"; +static const char name_s3c2442b[] = "S3C2442B"; static const char name_s3c2443[] = "S3C2443"; static const char name_s3c2410a[] = "S3C2410A"; static const char name_s3c2440a[] = "S3C2440A"; @@ -112,6 +113,15 @@ static struct cpu_table cpu_ids[] __initdata = { .name = name_s3c2442 }, { + .idcode = 0x32440aab, + .idmask = 0xffffffff, + .map_io = s3c244x_map_io, + .init_clocks = s3c244x_init_clocks, + .init_uarts = s3c244x_init_uarts, + .init = s3c2442_init, + .name = name_s3c2442b + }, + { .idcode = 0x32412001, .idmask = 0xffffffff, .map_io = s3c2412_map_io, diff --git a/arch/arm/plat-s3c24xx/dma.c b/arch/arm/plat-s3c24xx/dma.c index 196b1912365..f046f8c5108 100644 --- a/arch/arm/plat-s3c24xx/dma.c +++ b/arch/arm/plat-s3c24xx/dma.c @@ -208,14 +208,14 @@ s3c2410_dma_loadbuffer(struct s3c2410_dma_chan *chan, { unsigned long reload; - pr_debug("s3c2410_chan_loadbuffer: loading buff %p (0x%08lx,0x%06x)\n", - buf, (unsigned long)buf->data, buf->size); - if (buf == NULL) { dmawarn("buffer is NULL\n"); return -EINVAL; } + pr_debug("s3c2410_chan_loadbuffer: loading buff %p (0x%08lx,0x%06x)\n", + buf, (unsigned long)buf->data, buf->size); + /* check the state of the channel before we do anything */ if (chan->load_state == S3C2410_DMALOAD_1LOADED) { diff --git a/arch/arm/plat-s3c24xx/gpio.c b/arch/arm/plat-s3c24xx/gpio.c index 95df059b5a1..5467470badf 100644 --- a/arch/arm/plat-s3c24xx/gpio.c +++ b/arch/arm/plat-s3c24xx/gpio.c @@ -29,6 +29,7 @@ #include <linux/io.h> #include <mach/hardware.h> +#include <mach/gpio-fns.h> #include <asm/irq.h> #include <mach/regs-gpio.h> diff --git a/arch/arm/plat-s3c24xx/include/plat/cpu-freq-core.h b/arch/arm/plat-s3c24xx/include/plat/cpu-freq-core.h index efeb025affc..c776120b99e 100644 --- a/arch/arm/plat-s3c24xx/include/plat/cpu-freq-core.h +++ b/arch/arm/plat-s3c24xx/include/plat/cpu-freq-core.h @@ -222,7 +222,9 @@ extern struct clk *s3c_cpufreq_clk_get(struct device *, const char *); /* S3C2410 and compatible exported functions */ extern void s3c2410_cpufreq_setrefresh(struct s3c_cpufreq_config *cfg); +extern void s3c2410_set_fvco(struct s3c_cpufreq_config *cfg); +#ifdef CONFIG_S3C2410_IOTIMING extern int s3c2410_iotiming_calc(struct s3c_cpufreq_config *cfg, struct s3c_iotimings *iot); @@ -231,8 +233,11 @@ extern int s3c2410_iotiming_get(struct s3c_cpufreq_config *cfg, extern void s3c2410_iotiming_set(struct s3c_cpufreq_config *cfg, struct s3c_iotimings *iot); - -extern void s3c2410_set_fvco(struct s3c_cpufreq_config *cfg); +#else +#define s3c2410_iotiming_calc NULL +#define s3c2410_iotiming_get NULL +#define s3c2410_iotiming_set NULL +#endif /* CONFIG_S3C2410_IOTIMING */ /* S3C2412 compatible routines */ diff --git a/arch/arm/plat-s3c24xx/include/plat/s3c2410.h b/arch/arm/plat-s3c24xx/include/plat/s3c2410.h index b6deeef8f66..82ab4aad1bb 100644 --- a/arch/arm/plat-s3c24xx/include/plat/s3c2410.h +++ b/arch/arm/plat-s3c24xx/include/plat/s3c2410.h @@ -27,6 +27,7 @@ extern void s3c2410_init_clocks(int xtal); #define s3c2410_init_uarts NULL #define s3c2410_map_io NULL #define s3c2410_init NULL +#define s3c2410a_init NULL #endif extern int s3c2410_baseclk_add(void); diff --git a/arch/arm/plat-s3c64xx/include/plat/regs-clock.h b/arch/arm/plat-s3c64xx/include/plat/regs-clock.h index a8777a755df..ff46e7fa957 100644 --- a/arch/arm/plat-s3c64xx/include/plat/regs-clock.h +++ b/arch/arm/plat-s3c64xx/include/plat/regs-clock.h @@ -51,8 +51,8 @@ #define S3C6400_CLKDIV0_HCLK_SHIFT (8) #define S3C6400_CLKDIV0_MPLL_MASK (0x1 << 4) #define S3C6400_CLKDIV0_MPLL_SHIFT (4) -#define S3C6400_CLKDIV0_ARM_MASK (0x3 << 0) -#define S3C6410_CLKDIV0_ARM_MASK (0x7 << 0) +#define S3C6400_CLKDIV0_ARM_MASK (0x7 << 0) +#define S3C6410_CLKDIV0_ARM_MASK (0xf << 0) #define S3C6400_CLKDIV0_ARM_SHIFT (0) /* CLKDIV1 */ diff --git a/arch/arm/plat-s3c64xx/s3c6400-clock.c b/arch/arm/plat-s3c64xx/s3c6400-clock.c index 9745852261e..6ffa21eb1b9 100644 --- a/arch/arm/plat-s3c64xx/s3c6400-clock.c +++ b/arch/arm/plat-s3c64xx/s3c6400-clock.c @@ -677,6 +677,9 @@ void __init_or_cpufreq s3c6400_setup_clocks(void) printk(KERN_DEBUG "%s: xtal is %ld\n", __func__, xtal); + /* For now assume the mux always selects the crystal */ + clk_ext_xtal_mux.parent = xtal_clk; + epll = s3c6400_get_epll(xtal); mpll = s3c6400_get_pll(xtal, __raw_readl(S3C_MPLL_CON)); apll = s3c6400_get_pll(xtal, __raw_readl(S3C_APLL_CON)); diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c index 4afba3ec2a6..e3654d683e1 100644 --- a/drivers/i2c/busses/i2c-imx.c +++ b/drivers/i2c/busses/i2c-imx.c @@ -120,19 +120,26 @@ struct imx_i2c_struct { wait_queue_head_t queue; unsigned long i2csr; unsigned int disable_delay; + int stopped; + unsigned int ifdr; /* IMX_I2C_IFDR */ }; /** Functions for IMX I2C adapter driver *************************************** *******************************************************************************/ -static int i2c_imx_bus_busy(struct imx_i2c_struct *i2c_imx) +static int i2c_imx_bus_busy(struct imx_i2c_struct *i2c_imx, int for_busy) { unsigned long orig_jiffies = jiffies; + unsigned int temp; dev_dbg(&i2c_imx->adapter.dev, "<%s>\n", __func__); - /* wait for bus not busy */ - while (readb(i2c_imx->base + IMX_I2C_I2SR) & I2SR_IBB) { + while (1) { + temp = readb(i2c_imx->base + IMX_I2C_I2SR); + if (for_busy && (temp & I2SR_IBB)) + break; + if (!for_busy && !(temp & I2SR_IBB)) + break; if (signal_pending(current)) { dev_dbg(&i2c_imx->adapter.dev, "<%s> I2C Interrupted\n", __func__); @@ -179,41 +186,62 @@ static int i2c_imx_acked(struct imx_i2c_struct *i2c_imx) return 0; } -static void i2c_imx_start(struct imx_i2c_struct *i2c_imx) +static int i2c_imx_start(struct imx_i2c_struct *i2c_imx) { unsigned int temp = 0; + int result; dev_dbg(&i2c_imx->adapter.dev, "<%s>\n", __func__); + clk_enable(i2c_imx->clk); + writeb(i2c_imx->ifdr, i2c_imx->base + IMX_I2C_IFDR); /* Enable I2C controller */ + writeb(0, i2c_imx->base + IMX_I2C_I2SR); writeb(I2CR_IEN, i2c_imx->base + IMX_I2C_I2CR); + + /* Wait controller to be stable */ + udelay(50); + /* Start I2C transaction */ temp = readb(i2c_imx->base + IMX_I2C_I2CR); temp |= I2CR_MSTA; writeb(temp, i2c_imx->base + IMX_I2C_I2CR); + result = i2c_imx_bus_busy(i2c_imx, 1); + if (result) + return result; + i2c_imx->stopped = 0; + temp |= I2CR_IIEN | I2CR_MTX | I2CR_TXAK; writeb(temp, i2c_imx->base + IMX_I2C_I2CR); + return result; } static void i2c_imx_stop(struct imx_i2c_struct *i2c_imx) { unsigned int temp = 0; - /* Stop I2C transaction */ - dev_dbg(&i2c_imx->adapter.dev, "<%s>\n", __func__); - temp = readb(i2c_imx->base + IMX_I2C_I2CR); - temp &= ~I2CR_MSTA; - writeb(temp, i2c_imx->base + IMX_I2C_I2CR); - /* setup chip registers to defaults */ - writeb(I2CR_IEN, i2c_imx->base + IMX_I2C_I2CR); - writeb(0, i2c_imx->base + IMX_I2C_I2SR); - /* - * This delay caused by an i.MXL hardware bug. - * If no (or too short) delay, no "STOP" bit will be generated. - */ - udelay(i2c_imx->disable_delay); + if (!i2c_imx->stopped) { + /* Stop I2C transaction */ + dev_dbg(&i2c_imx->adapter.dev, "<%s>\n", __func__); + temp = readb(i2c_imx->base + IMX_I2C_I2CR); + temp &= ~(I2CR_MSTA | I2CR_MTX); + writeb(temp, i2c_imx->base + IMX_I2C_I2CR); + i2c_imx->stopped = 1; + } + if (cpu_is_mx1()) { + /* + * This delay caused by an i.MXL hardware bug. + * If no (or too short) delay, no "STOP" bit will be generated. + */ + udelay(i2c_imx->disable_delay); + } + + if (!i2c_imx->stopped) + i2c_imx_bus_busy(i2c_imx, 0); + /* Disable I2C controller */ writeb(0, i2c_imx->base + IMX_I2C_I2CR); + clk_disable(i2c_imx->clk); } static void __init i2c_imx_set_clk(struct imx_i2c_struct *i2c_imx, @@ -233,8 +261,8 @@ static void __init i2c_imx_set_clk(struct imx_i2c_struct *i2c_imx, else for (i = 0; i2c_clk_div[i][0] < div; i++); - /* Write divider value to register */ - writeb(i2c_clk_div[i][1], i2c_imx->base + IMX_I2C_IFDR); + /* Store divider value */ + i2c_imx->ifdr = i2c_clk_div[i][1]; /* * There dummy delay is calculated. @@ -341,11 +369,15 @@ static int i2c_imx_read(struct imx_i2c_struct *i2c_imx, struct i2c_msg *msgs) if (result) return result; if (i == (msgs->len - 1)) { + /* It must generate STOP before read I2DR to prevent + controller from generating another clock cycle */ dev_dbg(&i2c_imx->adapter.dev, "<%s> clear MSTA\n", __func__); temp = readb(i2c_imx->base + IMX_I2C_I2CR); - temp &= ~I2CR_MSTA; + temp &= ~(I2CR_MSTA | I2CR_MTX); writeb(temp, i2c_imx->base + IMX_I2C_I2CR); + i2c_imx_bus_busy(i2c_imx, 0); + i2c_imx->stopped = 1; } else if (i == (msgs->len - 2)) { dev_dbg(&i2c_imx->adapter.dev, "<%s> set TXAK\n", __func__); @@ -370,14 +402,11 @@ static int i2c_imx_xfer(struct i2c_adapter *adapter, dev_dbg(&i2c_imx->adapter.dev, "<%s>\n", __func__); - /* Check if i2c bus is not busy */ - result = i2c_imx_bus_busy(i2c_imx); + /* Start I2C transfer */ + result = i2c_imx_start(i2c_imx); if (result) goto fail0; - /* Start I2C transfer */ - i2c_imx_start(i2c_imx); - /* read/write data */ for (i = 0; i < num; i++) { if (i) { @@ -386,6 +415,9 @@ static int i2c_imx_xfer(struct i2c_adapter *adapter, temp = readb(i2c_imx->base + IMX_I2C_I2CR); temp |= I2CR_RSTA; writeb(temp, i2c_imx->base + IMX_I2C_I2CR); + result = i2c_imx_bus_busy(i2c_imx, 1); + if (result) + goto fail0; } dev_dbg(&i2c_imx->adapter.dev, "<%s> transfer message: %d\n", __func__, i); @@ -500,7 +532,6 @@ static int __init i2c_imx_probe(struct platform_device *pdev) dev_err(&pdev->dev, "can't get I2C clock\n"); goto fail3; } - clk_enable(i2c_imx->clk); /* Request IRQ */ ret = request_irq(i2c_imx->irq, i2c_imx_isr, 0, pdev->name, i2c_imx); @@ -549,7 +580,6 @@ static int __init i2c_imx_probe(struct platform_device *pdev) fail5: free_irq(i2c_imx->irq, i2c_imx); fail4: - clk_disable(i2c_imx->clk); clk_put(i2c_imx->clk); fail3: release_mem_region(i2c_imx->res->start, resource_size(res)); @@ -586,8 +616,6 @@ static int __exit i2c_imx_remove(struct platform_device *pdev) if (pdata && pdata->exit) pdata->exit(&pdev->dev); - /* Disable I2C clock */ - clk_disable(i2c_imx->clk); clk_put(i2c_imx->clk); release_mem_region(i2c_imx->res->start, resource_size(i2c_imx->res)); diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c index d325e86e310..f627001108b 100644 --- a/drivers/i2c/busses/i2c-mpc.c +++ b/drivers/i2c/busses/i2c-mpc.c @@ -365,9 +365,6 @@ static int mpc_write(struct mpc_i2c *i2c, int target, unsigned timeout = i2c->adap.timeout; u32 flags = restart ? CCR_RSTA : 0; - /* Start with MEN */ - if (!restart) - writeccr(i2c, CCR_MEN); /* Start as master */ writeccr(i2c, CCR_MIEN | CCR_MEN | CCR_MSTA | CCR_MTX | flags); /* Write target byte */ @@ -396,9 +393,6 @@ static int mpc_read(struct mpc_i2c *i2c, int target, int i, result; u32 flags = restart ? CCR_RSTA : 0; - /* Start with MEN */ - if (!restart) - writeccr(i2c, CCR_MEN); /* Switch to read - restart */ writeccr(i2c, CCR_MIEN | CCR_MEN | CCR_MSTA | CCR_MTX | flags); /* Write target address byte - this time with the read flag set */ @@ -425,9 +419,9 @@ static int mpc_read(struct mpc_i2c *i2c, int target, /* Generate txack on next to last byte */ if (i == length - 2) writeccr(i2c, CCR_MIEN | CCR_MEN | CCR_MSTA | CCR_TXAK); - /* Generate stop on last byte */ + /* Do not generate stop on last byte */ if (i == length - 1) - writeccr(i2c, CCR_MIEN | CCR_MEN | CCR_TXAK); + writeccr(i2c, CCR_MIEN | CCR_MEN | CCR_MSTA | CCR_MTX); data[i] = readb(i2c->base + MPC_I2C_DR); } diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c index a6512372c7a..4452eabbee6 100644 --- a/drivers/input/keyboard/atkbd.c +++ b/drivers/input/keyboard/atkbd.c @@ -233,6 +233,7 @@ struct atkbd { */ static void (*atkbd_platform_fixup)(struct atkbd *, const void *data); static void *atkbd_platform_fixup_data; +static unsigned int (*atkbd_platform_scancode_fixup)(struct atkbd *, unsigned int); static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf, ssize_t (*handler)(struct atkbd *, char *)); @@ -393,6 +394,9 @@ static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data, input_event(dev, EV_MSC, MSC_RAW, code); + if (atkbd_platform_scancode_fixup) + code = atkbd_platform_scancode_fixup(atkbd, code); + if (atkbd->translated) { if (atkbd->emul || atkbd_need_xlate(atkbd->xl_bit, code)) { @@ -923,6 +927,22 @@ static unsigned int atkbd_volume_forced_release_keys[] = { }; /* + * OQO 01+ multimedia keys (64--66) generate e0 6x upon release whereas + * they should be generating e4-e6 (0x80 | code). + */ +static unsigned int atkbd_oqo_01plus_scancode_fixup(struct atkbd *atkbd, + unsigned int code) +{ + if (atkbd->translated && atkbd->emul == 1 && + (code == 0x64 || code == 0x65 || code == 0x66)) { + atkbd->emul = 0; + code |= 0x80; + } + + return code; +} + +/* * atkbd_set_keycode_table() initializes keyboard's keycode table * according to the selected scancode set */ @@ -1527,6 +1547,13 @@ static int __init atkbd_setup_forced_release(const struct dmi_system_id *id) return 0; } +static int __init atkbd_setup_scancode_fixup(const struct dmi_system_id *id) +{ + atkbd_platform_scancode_fixup = id->driver_data; + + return 0; +} + static struct dmi_system_id atkbd_dmi_quirk_table[] __initdata = { { .ident = "Dell Laptop", @@ -1663,6 +1690,15 @@ static struct dmi_system_id atkbd_dmi_quirk_table[] __initdata = { .callback = atkbd_setup_forced_release, .driver_data = atkdb_soltech_ta12_forced_release_keys, }, + { + .ident = "OQO Model 01+", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "OQO"), + DMI_MATCH(DMI_PRODUCT_NAME, "ZEPTO"), + }, + .callback = atkbd_setup_scanc |