GIT a6927257b56035dc84b7cbc7b38ccac376ab1b06 git+ssh://master.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6.git commit Author: Angelo Castello Date: Thu Mar 6 12:50:53 2008 +0900 rtc: rtc-sh: Add support for periodic IRQs. This adds support for periodic IRQs to the rtc-sh driver. RTC_IRQP_READ/RTC_IRQP_SET are added, with a number of other fixes and reordering across the rest of the code. Signed-off-by: Angelo Castello Signed-off-by: Giuseppe Cavallaro Signed-off-by: Paul Mundt commit 019100bad4aa0372bdba6e25c28869c30b85a011 Author: Magnus Damm Date: Tue Mar 4 15:23:46 2008 -0800 sh: SuperH KEYSC keypad data for Solution Engine 7722 Add KEYSC platform data for the Solution Engine 7722 board. Signed-off-by: Magnus Damm Cc: Dmitry Torokhov Signed-off-by: Andrew Morton Signed-off-by: Paul Mundt commit 03e07f42a620025d696ca8c979da3b5a34579580 Author: Magnus Damm Date: Tue Mar 4 15:23:45 2008 -0800 sh: SuperH KEYSC keypad data for MigoR Add KEYSC platform data for the sh7722 MigoR board. Signed-off-by: Magnus Damm Cc: Dmitry Torokhov Signed-off-by: Andrew Morton Signed-off-by: Paul Mundt commit e6d1506f7d8de62a68e7b92ff19c899d3e00de8f Author: Magnus Damm Date: Tue Mar 4 15:23:45 2008 -0800 sh: SuperH KEYSC platform driver Add a platform driver for the SuperH KEYSC block. The driver expects to get mode, timing information and keypad layout from the board code as platform data. The board code is resonsible for pin configuration. Both sh7343 and sh7722 should be supported, but only the sh7722 processor has been tested so far. SH_KEYSC_MODE_3 is yet to be tested. Signed-off-by: Magnus Damm Cc: Dmitry Torokhov Signed-off-by: Andrew Morton Signed-off-by: Paul Mundt arch/sh/boards/renesas/migor/setup.c | 56 +++++++- arch/sh/boards/se/7722/setup.c | 41 +++++ drivers/input/keyboard/Kconfig | 9 + drivers/input/keyboard/Makefile | 1 + drivers/input/keyboard/sh_keysc.c | 281 ++++++++++++++++++++++++++++++++ drivers/rtc/rtc-sh.c | 296 +++++++++++++++++++++------------- include/asm-sh/se7722.h | 2 + include/asm-sh/sh_keysc.h | 13 ++ 8 files changed, 589 insertions(+), 110 deletions(-) diff --git a/arch/sh/boards/renesas/migor/setup.c b/arch/sh/boards/renesas/migor/setup.c index 21ab8c8..8a6ee84 100644 --- a/arch/sh/boards/renesas/migor/setup.c +++ b/arch/sh/boards/renesas/migor/setup.c @@ -10,8 +10,10 @@ #include #include #include +#include #include #include +#include /* Address IRQ Size Bus Description * 0x00000000 64MB 16 NOR Flash (SP29PL256N) @@ -40,8 +42,43 @@ static struct platform_device smc91x_eth_device = { .resource = smc91x_eth_resources, }; +static struct sh_keysc_info sh_keysc_info = { + .mode = SH_KEYSC_MODE_2, /* KEYOUT0->4, KEYIN1->5 */ + .scan_timing = 3, + .delay = 5, + .keycodes = { + 0, KEY_UP, KEY_DOWN, KEY_LEFT, KEY_RIGHT, KEY_ENTER, + 0, KEY_F, KEY_C, KEY_D, KEY_H, KEY_1, + 0, KEY_2, KEY_3, KEY_4, KEY_5, KEY_6, + 0, KEY_7, KEY_8, KEY_9, KEY_S, KEY_0, + 0, KEY_P, KEY_STOP, KEY_REWIND, KEY_PLAY, KEY_FASTFORWARD, + }, +}; + +static struct resource sh_keysc_resources[] = { + [0] = { + .start = 0x044b0000, + .end = 0x044b000f, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = 79, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device sh_keysc_device = { + .name = "sh_keysc", + .num_resources = ARRAY_SIZE(sh_keysc_resources), + .resource = sh_keysc_resources, + .dev = { + .platform_data = &sh_keysc_info, + }, +}; + static struct platform_device *migor_devices[] __initdata = { &smc91x_eth_device, + &sh_keysc_device, }; static int __init migor_devices_setup(void) @@ -50,9 +87,26 @@ static int __init migor_devices_setup(void) } __initcall(migor_devices_setup); +#define PORT_PJCR 0xA4050110UL +#define PORT_PSELA 0xA405014EUL +#define PORT_PYCR 0xA405014AUL +#define PORT_PZCR 0xA405014CUL +#define PORT_HIZCRA 0xA4050158UL +#define PORT_HIZCRC 0xA405015CUL +#define MSTPCR2 0xA4150038UL + static void __init migor_setup(char **cmdline_p) { - ctrl_outw(0x1000, 0xa4050110); /* Enable IRQ0 in PJCR */ + /* SMC91C111 - Enable IRQ0 */ + ctrl_outw(ctrl_inw(PORT_PJCR) & ~0x0003, PORT_PJCR); + + /* KEYSC */ + ctrl_outw(ctrl_inw(PORT_PYCR) & ~0x0fff, PORT_PYCR); + ctrl_outw(ctrl_inw(PORT_PZCR) & ~0x0ff0, PORT_PZCR); + ctrl_outw(ctrl_inw(PORT_PSELA) & ~0x4100, PORT_PSELA); + ctrl_outw(ctrl_inw(PORT_HIZCRA) & ~0x4000, PORT_HIZCRA); + ctrl_outw(ctrl_inw(PORT_HIZCRC) & ~0xc000, PORT_HIZCRC); + ctrl_outl(ctrl_inl(MSTPCR2) & ~0x00004000, MSTPCR2); } static struct sh_machine_vector mv_migor __initmv = { diff --git a/arch/sh/boards/se/7722/setup.c b/arch/sh/boards/se/7722/setup.c index b1a3d9d..33f6ee7 100644 --- a/arch/sh/boards/se/7722/setup.c +++ b/arch/sh/boards/se/7722/setup.c @@ -13,10 +13,12 @@ #include #include #include +#include #include #include #include #include +#include /* Heartbeat */ static struct heartbeat_data heartbeat_data = { @@ -92,10 +94,47 @@ static struct platform_device cf_ide_device = { .resource = cf_ide_resources, }; +static struct sh_keysc_info sh_keysc_info = { + .mode = SH_KEYSC_MODE_1, /* KEYOUT0->5, KEYIN0->4 */ + .scan_timing = 3, + .delay = 5, + .keycodes = { /* SW1 -> SW30 */ + KEY_A, KEY_B, KEY_C, KEY_D, KEY_E, + KEY_F, KEY_G, KEY_H, KEY_I, KEY_J, + KEY_K, KEY_L, KEY_M, KEY_N, KEY_O, + KEY_P, KEY_Q, KEY_R, KEY_S, KEY_T, + KEY_U, KEY_V, KEY_W, KEY_X, KEY_Y, + KEY_Z, + KEY_HOME, KEY_SLEEP, KEY_WAKEUP, KEY_COFFEE, /* life */ + }, +}; + +static struct resource sh_keysc_resources[] = { + [0] = { + .start = 0x044b0000, + .end = 0x044b000f, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = 79, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device sh_keysc_device = { + .name = "sh_keysc", + .num_resources = ARRAY_SIZE(sh_keysc_resources), + .resource = sh_keysc_resources, + .dev = { + .platform_data = &sh_keysc_info, + }, +}; + static struct platform_device *se7722_devices[] __initdata = { &heartbeat_device, &smc91x_eth_device, &cf_ide_device, + &sh_keysc_device, }; static int __init se7722_devices_setup(void) @@ -136,6 +175,8 @@ static void __init se7722_setup(char **cmdline_p) ctrl_outw(0x0A10, PORT_PSELA); /* BS,SHHID2 */ ctrl_outw(0x0000, PORT_PYCR); ctrl_outw(0x0000, PORT_PZCR); + ctrl_outw(ctrl_inw(PORT_HIZCRA) & ~0x4000, PORT_HIZCRA); + ctrl_outw(ctrl_inw(PORT_HIZCRC) & ~0xc000, PORT_HIZCRC); } /* diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig index 8ea709b..efd70a9 100644 --- a/drivers/input/keyboard/Kconfig +++ b/drivers/input/keyboard/Kconfig @@ -314,4 +314,13 @@ config KEYBOARD_BFIN To compile this driver as a module, choose M here: the module will be called bf54x-keys. +config KEYBOARD_SH_KEYSC + tristate "SuperH KEYSC keypad support" + depends on SUPERH + help + Say Y here if you want to use a keypad attached to the KEYSC block + on SuperH processors such as sh7722 and sh7343. + + To compile this driver as a module, choose M here: the + module will be called sh_keysc. endif diff --git a/drivers/input/keyboard/Makefile b/drivers/input/keyboard/Makefile index e741f40..0edc8f2 100644 --- a/drivers/input/keyboard/Makefile +++ b/drivers/input/keyboard/Makefile @@ -26,3 +26,4 @@ obj-$(CONFIG_KEYBOARD_HP6XX) += jornada680_kbd.o obj-$(CONFIG_KEYBOARD_HP7XX) += jornada720_kbd.o obj-$(CONFIG_KEYBOARD_MAPLE) += maple_keyb.o obj-$(CONFIG_KEYBOARD_BFIN) += bf54x-keys.o +obj-$(CONFIG_KEYBOARD_SH_KEYSC) += sh_keysc.o diff --git a/drivers/input/keyboard/sh_keysc.c b/drivers/input/keyboard/sh_keysc.c new file mode 100644 index 0000000..5d0864a --- /dev/null +++ b/drivers/input/keyboard/sh_keysc.c @@ -0,0 +1,281 @@ +/* + * SuperH KEYSC Keypad Driver + * + * Copyright (C) 2008 Magnus Damm + * + * Based on gpio_keys.c, Copyright 2005 Phil Blundell + * + * 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 +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define KYCR1_OFFS 0x00 +#define KYCR2_OFFS 0x04 +#define KYINDR_OFFS 0x08 +#define KYOUTDR_OFFS 0x0c + +#define KYCR2_IRQ_LEVEL 0x10 +#define KYCR2_IRQ_DISABLED 0x00 + +static const struct { + unsigned char kymd, keyout, keyin; +} sh_keysc_mode[] = { + [SH_KEYSC_MODE_1] = { 0, 6, 5 }, + [SH_KEYSC_MODE_2] = { 1, 5, 6 }, + [SH_KEYSC_MODE_3] = { 2, 4, 7 }, +}; + +struct sh_keysc_priv { + void __iomem *iomem_base; + unsigned long last_keys; + struct input_dev *input; + struct sh_keysc_info pdata; +}; + +static irqreturn_t sh_keysc_isr(int irq, void *dev_id) +{ + struct platform_device *pdev = dev_id; + struct sh_keysc_priv *priv = platform_get_drvdata(pdev); + struct sh_keysc_info *pdata = &priv->pdata; + unsigned long keys, keys1, keys0, mask; + unsigned char keyin_set, tmp; + int i, k; + + dev_dbg(&pdev->dev, "isr!\n"); + + keys1 = ~0; + keys0 = 0; + + do { + keys = 0; + keyin_set = 0; + + iowrite16(KYCR2_IRQ_DISABLED, priv->iomem_base + KYCR2_OFFS); + + for (i = 0; i < sh_keysc_mode[pdata->mode].keyout; i++) { + iowrite16(0xfff ^ (3 << (i * 2)), + priv->iomem_base + KYOUTDR_OFFS); + udelay(pdata->delay); + tmp = ioread16(priv->iomem_base + KYINDR_OFFS); + keys |= tmp << (sh_keysc_mode[pdata->mode].keyin * i); + tmp ^= (1 << sh_keysc_mode[pdata->mode].keyin) - 1; + keyin_set |= tmp; + } + + iowrite16(0, priv->iomem_base + KYOUTDR_OFFS); + iowrite16(KYCR2_IRQ_LEVEL | (keyin_set << 8), + priv->iomem_base + KYCR2_OFFS); + + keys ^= ~0; + keys &= (1 << (sh_keysc_mode[pdata->mode].keyin * + sh_keysc_mode[pdata->mode].keyout)) - 1; + keys1 &= keys; + keys0 |= keys; + + dev_dbg(&pdev->dev, "keys 0x%08lx\n", keys); + + } while (ioread16(priv->iomem_base + KYCR2_OFFS) & 0x01); + + dev_dbg(&pdev->dev, "last_keys 0x%08lx keys0 0x%08lx keys1 0x%08lx\n", + priv->last_keys, keys0, keys1); + + for (i = 0; i < SH_KEYSC_MAXKEYS; i++) { + k = pdata->keycodes[i]; + if (!k) + continue; + + mask = 1 << i; + + if (!((priv->last_keys ^ keys0) & mask)) + continue; + + if ((keys1 | keys0) & mask) { + input_event(priv->input, EV_KEY, k, 1); + priv->last_keys |= mask; + } + + if (!(keys1 & mask)) { + input_event(priv->input, EV_KEY, k, 0); + priv->last_keys &= ~mask; + } + + } + input_sync(priv->input); + + return IRQ_HANDLED; +} + +#define res_size(res) ((res)->end - (res)->start + 1) + +static int __devinit sh_keysc_probe(struct platform_device *pdev) +{ + struct sh_keysc_priv *priv; + struct sh_keysc_info *pdata; + struct resource *res; + struct input_dev *input; + int i, k; + int irq, error; + + if (!pdev->dev.platform_data) { + dev_err(&pdev->dev, "no platform data defined\n"); + error = -EINVAL; + goto err0; + } + + error = -ENXIO; + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (res == NULL) { + dev_err(&pdev->dev, "failed to get I/O memory\n"); + goto err0; + } + + irq = platform_get_irq(pdev, 0); + if (irq < 0) { + dev_err(&pdev->dev, "failed to get irq\n"); + goto err0; + } + + priv = kzalloc(sizeof(*priv), GFP_KERNEL); + if (priv == NULL) { + dev_err(&pdev->dev, "failed to allocate driver data\n"); + error = -ENOMEM; + goto err0; + } + + platform_set_drvdata(pdev, priv); + memcpy(&priv->pdata, pdev->dev.platform_data, sizeof(priv->pdata)); + pdata = &priv->pdata; + + res = request_mem_region(res->start, res_size(res), pdev->name); + if (res == NULL) { + dev_err(&pdev->dev, "failed to request I/O memory\n"); + error = -EBUSY; + goto err1; + } + + priv->iomem_base = ioremap_nocache(res->start, res_size(res)); + if (priv->iomem_base == NULL) { + dev_err(&pdev->dev, "failed to remap I/O memory\n"); + error = -ENXIO; + goto err2; + } + + priv->input = input_allocate_device(); + if (!priv->input) { + dev_err(&pdev->dev, "failed to allocate input device\n"); + error = -ENOMEM; + goto err3; + } + + input = priv->input; + input->evbit[0] = BIT_MASK(EV_KEY); + + input->name = pdev->name; + input->phys = "sh-keysc-keys/input0"; + input->dev.parent = &pdev->dev; + + input->id.bustype = BUS_HOST; + input->id.vendor = 0x0001; + input->id.product = 0x0001; + input->id.version = 0x0100; + + error = request_irq(irq, sh_keysc_isr, 0, pdev->name, pdev); + if (error) { + dev_err(&pdev->dev, "failed to request IRQ\n"); + goto err4; + } + + for (i = 0; i < SH_KEYSC_MAXKEYS; i++) { + k = pdata->keycodes[i]; + if (k) + input_set_capability(input, EV_KEY, k); + } + + error = input_register_device(input); + if (error) { + dev_err(&pdev->dev, "failed to register input device\n"); + goto err5; + } + + iowrite16((sh_keysc_mode[pdata->mode].kymd << 8) | + pdata->scan_timing, priv->iomem_base + KYCR1_OFFS); + iowrite16(0, priv->iomem_base + KYOUTDR_OFFS); + iowrite16(KYCR2_IRQ_LEVEL, priv->iomem_base + KYCR2_OFFS); + return 0; + err5: + free_irq(irq, pdev); + err4: + input_free_device(input); + err3: + iounmap(priv->iomem_base); + err2: + release_mem_region(res->start, res_size(res)); + err1: + platform_set_drvdata(pdev, NULL); + kfree(priv); + err0: + return error; +} + +static int __devexit sh_keysc_remove(struct platform_device *pdev) +{ + struct sh_keysc_priv *priv = platform_get_drvdata(pdev); + struct resource *res; + + iowrite16(KYCR2_IRQ_DISABLED, priv->iomem_base + KYCR2_OFFS); + + input_unregister_device(priv->input); + free_irq(platform_get_irq(pdev, 0), pdev); + input_free_device(priv->input); + iounmap(priv->iomem_base); + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + release_mem_region(res->start, res_size(res)); + + platform_set_drvdata(pdev, NULL); + kfree(priv); + return 0; +} + + +#define sh_keysc_suspend NULL +#define sh_keysc_resume NULL + +struct platform_driver sh_keysc_device_driver = { + .probe = sh_keysc_probe, + .remove = __devexit_p(sh_keysc_remove), + .suspend = sh_keysc_suspend, + .resume = sh_keysc_resume, + .driver = { + .name = "sh_keysc", + } +}; + +static int __init sh_keysc_init(void) +{ + return platform_driver_register(&sh_keysc_device_driver); +} + +static void __exit sh_keysc_exit(void) +{ + platform_driver_unregister(&sh_keysc_device_driver); +} + +module_init(sh_keysc_init); +module_exit(sh_keysc_exit); + +MODULE_AUTHOR("Magnus Damm"); +MODULE_DESCRIPTION("SuperH KEYSC Keypad Driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/rtc/rtc-sh.c b/drivers/rtc/rtc-sh.c index c1d6a18..8413794 100644 --- a/drivers/rtc/rtc-sh.c +++ b/drivers/rtc/rtc-sh.c @@ -1,8 +1,9 @@ /* * SuperH On-Chip RTC Support * - * Copyright (C) 2006, 2007 Paul Mundt + * Copyright (C) 2006, 2007, 2008 Paul Mundt * Copyright (C) 2006 Jamie Lenehan + * Copyright (C) 2008 Angelo Castello * * Based on the old arch/sh/kernel/cpu/rtc.c by: * @@ -26,7 +27,7 @@ #include #define DRV_NAME "sh-rtc" -#define DRV_VERSION "0.1.6" +#define DRV_VERSION "0.2.0" #define RTC_REG(r) ((r) * rtc_reg_size) @@ -63,6 +64,13 @@ /* ALARM Bits - or with BCD encoded value */ #define AR_ENB 0x80 /* Enable for alarm cmp */ +/* Period Bits */ +#define PF_HP 0x100 /* Enable Half Period to support 8,32,128Hz */ +#define PF_COUNT 0x200 /* Half periodic counter */ +#define PF_OXS 0x400 /* Periodic One x Second */ +#define PF_KOU 0x800 /* Kernel or User periodic request 1=kernel */ +#define PF_MASK 0xf00 + /* RCR1 Bits */ #define RCR1_CF 0x80 /* Carry Flag */ #define RCR1_CIE 0x10 /* Carry Interrupt Enable */ @@ -84,33 +92,24 @@ struct sh_rtc { unsigned int alarm_irq, periodic_irq, carry_irq; struct rtc_device *rtc_dev; spinlock_t lock; - int rearm_aie; unsigned long capabilities; /* See asm-sh/rtc.h for cap bits */ + unsigned short periodic_freq; }; static irqreturn_t sh_rtc_interrupt(int irq, void *dev_id) { - struct platform_device *pdev = to_platform_device(dev_id); - struct sh_rtc *rtc = platform_get_drvdata(pdev); - unsigned int tmp, events = 0; + struct sh_rtc *rtc = dev_id; + unsigned int tmp; spin_lock(&rtc->lock); tmp = readb(rtc->regbase + RCR1); tmp &= ~RCR1_CF; - - if (rtc->rearm_aie) { - if (tmp & RCR1_AF) - tmp &= ~RCR1_AF; /* try to clear AF again */ - else { - tmp |= RCR1_AIE; /* AF has cleared, rearm IRQ */ - rtc->rearm_aie = 0; - } - } - writeb(tmp, rtc->regbase + RCR1); - rtc_update_irq(rtc->rtc_dev, 1, events); + /* Users have requested One x Second IRQ */ + if (rtc->periodic_freq & PF_OXS) + rtc_update_irq(rtc->rtc_dev, 1, RTC_UF | RTC_IRQF); spin_unlock(&rtc->lock); @@ -119,47 +118,48 @@ static irqreturn_t sh_rtc_interrupt(int irq, void *dev_id) static irqreturn_t sh_rtc_alarm(int irq, void *dev_id) { - struct platform_device *pdev = to_platform_device(dev_id); - struct sh_rtc *rtc = platform_get_drvdata(pdev); - unsigned int tmp, events = 0; + struct sh_rtc *rtc = dev_id; + unsigned int tmp; spin_lock(&rtc->lock); tmp = readb(rtc->regbase + RCR1); - - /* - * If AF is set then the alarm has triggered. If we clear AF while - * the alarm time still matches the RTC time then AF will - * immediately be set again, and if AIE is enabled then the alarm - * interrupt will immediately be retrigger. So we clear AIE here - * and use rtc->rearm_aie so that the carry interrupt will keep - * trying to clear AF and once it stays cleared it'll re-enable - * AIE. - */ - if (tmp & RCR1_AF) { - events |= RTC_AF | RTC_IRQF; - - tmp &= ~(RCR1_AF|RCR1_AIE); - + tmp &= ~(RCR1_AF | RCR1_AIE); writeb(tmp, rtc->regbase + RCR1); - rtc->rearm_aie = 1; - - rtc_update_irq(rtc->rtc_dev, 1, events); - } + rtc_update_irq(rtc->rtc_dev, 1, RTC_AF | RTC_IRQF); spin_unlock(&rtc->lock); + return IRQ_HANDLED; } static irqreturn_t sh_rtc_periodic(int irq, void *dev_id) { - struct platform_device *pdev = to_platform_device(dev_id); - struct sh_rtc *rtc = platform_get_drvdata(pdev); + struct sh_rtc *rtc = dev_id; + struct rtc_device *rtc_dev = rtc->rtc_dev; + unsigned int tmp; spin_lock(&rtc->lock); - rtc_update_irq(rtc->rtc_dev, 1, RTC_PF | RTC_IRQF); + tmp = readb(rtc->regbase + RCR2); + tmp &= ~RCR2_PEF; + writeb(tmp, rtc->regbase + RCR2); + + /* Half period enabled than one skipped and the next notified */ + if ((rtc->periodic_freq & PF_HP) && (rtc->periodic_freq & PF_COUNT)) + rtc->periodic_freq &= ~PF_COUNT; + else { + if (rtc->periodic_freq & PF_HP) + rtc->periodic_freq |= PF_COUNT; + if (rtc->periodic_freq & PF_KOU) { + spin_lock(&rtc_dev->irq_task_lock); + if (rtc_dev->irq_task) + rtc_dev->irq_task->func(rtc_dev->irq_task->private_data); + spin_unlock(&rtc_dev->irq_task_lock); + } else + rtc_update_irq(rtc->rtc_dev, 1, RTC_PF | RTC_IRQF); + } spin_unlock(&rtc->lock); @@ -176,8 +176,8 @@ static inline void sh_rtc_setpie(struct device *dev, unsigned int enable) tmp = readb(rtc->regbase + RCR2); if (enable) { - tmp &= ~RCR2_PESMASK; - tmp |= RCR2_PEF | (2 << 4); + tmp &= ~RCR2_PEF; /* Clear PES bit */ + tmp |= (rtc->periodic_freq & ~PF_HP); /* Set PES2-0 */ } else tmp &= ~(RCR2_PESMASK | RCR2_PEF); @@ -186,82 +186,81 @@ static inline void sh_rtc_setpie(struct device *dev, unsigned int enable) spin_unlock_irq(&rtc->lock); } -static inline void sh_rtc_setaie(struct device *dev, unsigned int enable) +static inline int sh_rtc_setfreq(struct device *dev, unsigned int freq) { struct sh_rtc *rtc = dev_get_drvdata(dev); - unsigned int tmp; + int tmp, ret = 0; spin_lock_irq(&rtc->lock); + tmp = rtc->periodic_freq & PF_MASK; - tmp = readb(rtc->regbase + RCR1); - - if (!enable) { - tmp &= ~RCR1_AIE; - rtc->rearm_aie = 0; - } else if (rtc->rearm_aie == 0) - tmp |= RCR1_AIE; + switch (freq) { + case 0: + rtc->periodic_freq = 0x00; + break; + case 1: + rtc->periodic_freq = 0x60; + break; + case 2: + rtc->periodic_freq = 0x50; + break; + case 4: + rtc->periodic_freq = 0x40; + break; + case 8: + rtc->periodic_freq = 0x30 | PF_HP; + break; + case 16: + rtc->periodic_freq = 0x30; + break; + case 32: + rtc->periodic_freq = 0x20 | PF_HP; + break; + case 64: + rtc->periodic_freq = 0x20; + break; + case 128: + rtc->periodic_freq = 0x10 | PF_HP; + break; + case 256: + rtc->periodic_freq = 0x10; + break; + default: + ret = -ENOTSUPP; + } - writeb(tmp, rtc->regbase + RCR1); + if (ret == 0) { + rtc->periodic_freq |= tmp; + rtc->rtc_dev->irq_freq = freq; + } spin_unlock_irq(&rtc->lock); + return ret; } -static int sh_rtc_open(struct device *dev) +static inline void sh_rtc_setaie(struct device *dev, unsigned int enable) { struct sh_rtc *rtc = dev_get_drvdata(dev); unsigned int tmp; - int ret; - - tmp = readb(rtc->regbase + RCR1); - tmp &= ~RCR1_CF; - tmp |= RCR1_CIE; - writeb(tmp, rtc->regbase + RCR1); - ret = request_irq(rtc->periodic_irq, sh_rtc_periodic, IRQF_DISABLED, - "sh-rtc period", dev); - if (unlikely(ret)) { - dev_err(dev, "request period IRQ failed with %d, IRQ %d\n", - ret, rtc->periodic_irq); - return ret; - } - - ret = request_irq(rtc->carry_irq, sh_rtc_interrupt, IRQF_DISABLED, - "sh-rtc carry", dev); - if (unlikely(ret)) { - dev_err(dev, "request carry IRQ failed with %d, IRQ %d\n", - ret, rtc->carry_irq); - free_irq(rtc->periodic_irq, dev); - goto err_bad_carry; - } + spin_lock_irq(&rtc->lock); - ret = request_irq(rtc->alarm_irq, sh_rtc_alarm, IRQF_DISABLED, - "sh-rtc alarm", dev); - if (unlikely(ret)) { - dev_err(dev, "request alarm IRQ failed with %d, IRQ %d\n", - ret, rtc->alarm_irq); - goto err_bad_alarm; - } + tmp = readb(rtc->regbase + RCR1); - return 0; + if (!enable) + tmp &= ~RCR1_AIE; + else + tmp |= RCR1_AIE; -err_bad_alarm: - free_irq(rtc->carry_irq, dev); -err_bad_carry: - free_irq(rtc->periodic_irq, dev); + writeb(tmp, rtc->regbase + RCR1); - return ret; + spin_unlock_irq(&rtc->lock); } static void sh_rtc_release(struct device *dev) { - struct sh_rtc *rtc = dev_get_drvdata(dev); - sh_rtc_setpie(dev, 0); sh_rtc_setaie(dev, 0); - - free_irq(rtc->periodic_irq, dev); - free_irq(rtc->carry_irq, dev); - free_irq(rtc->alarm_irq, dev); } static int sh_rtc_proc(struct device *dev, struct seq_file *seq) @@ -270,31 +269,44 @@ static int sh_rtc_proc(struct device *dev, struct seq_file *seq) unsigned int tmp; tmp = readb(rtc->regbase + RCR1); - seq_printf(seq, "carry_IRQ\t: %s\n", - (tmp & RCR1_CIE) ? "yes" : "no"); + seq_printf(seq, "carry_IRQ\t: %s\n", (tmp & RCR1_CIE) ? "yes" : "no"); tmp = readb(rtc->regbase + RCR2); seq_printf(seq, "periodic_IRQ\t: %s\n", - (tmp & RCR2_PEF) ? "yes" : "no"); + (tmp & RCR2_PESMASK) ? "yes" : "no"); return 0; } static int sh_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long arg) { - unsigned int ret = -ENOIOCTLCMD; + struct sh_rtc *rtc = dev_get_drvdata(dev); + unsigned int ret = 0; switch (cmd) { case RTC_PIE_OFF: case RTC_PIE_ON: sh_rtc_setpie(dev, cmd == RTC_PIE_ON); - ret = 0; break; case RTC_AIE_OFF: case RTC_AIE_ON: sh_rtc_setaie(dev, cmd == RTC_AIE_ON); - ret = 0; break; + case RTC_UIE_OFF: + rtc->periodic_freq &= ~PF_OXS; + break; + case RTC_UIE_ON: + rtc->periodic_freq |= PF_OXS; + break; + case RTC_IRQP_READ: + ret = put_user(rtc->rtc_dev->irq_freq, + (unsigned long __user *)arg); + break; + case RTC_IRQP_SET: + ret = sh_rtc_setfreq(dev, arg); + break; + default: + ret = -ENOIOCTLCMD; } return ret; @@ -421,7 +433,7 @@ static int sh_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *wkalrm) { struct platform_device *pdev = to_platform_device(dev); struct sh_rtc *rtc = platform_get_drvdata(pdev); - struct rtc_time* tm = &wkalrm->time; + struct rtc_time *tm = &wkalrm->time; spin_lock_irq(&rtc->lock); @@ -452,7 +464,7 @@ static inline void sh_rtc_write_alarm_value(struct sh_rtc *rtc, writeb(BIN2BCD(value) | AR_ENB, rtc->regbase + reg_off); } -static int sh_rtc_check_alarm(struct rtc_time* tm) +static int sh_rtc_check_alarm(struct rtc_time *tm) { /* * The original rtc says anything > 0xc0 is "don't care" or "match @@ -503,11 +515,9 @@ static int sh_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *wkalrm) /* disable alarm interrupt and clear the alarm flag */ rcr1 = readb(rtc->regbase + RCR1); - rcr1 &= ~(RCR1_AF|RCR1_AIE); + rcr1 &= ~(RCR1_AF | RCR1_AIE); writeb(rcr1, rtc->regbase + RCR1); - rtc->rearm_aie = 0; - /* set alarm time */ sh_rtc_write_alarm_value(rtc, tm->tm_sec, RSECAR); sh_rtc_write_alarm_value(rtc, tm->tm_min, RMINAR); @@ -529,14 +539,34 @@ static int sh_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *wkalrm) return 0; } +static int sh_rtc_irq_set_state(struct device *dev, int enabled) +{ + struct platform_device *pdev = to_platform_device(dev); + struct sh_rtc *rtc = platform_get_drvdata(pdev); + + if (enabled) { + rtc->periodic_freq |= PF_KOU; + return sh_rtc_ioctl(dev, RTC_PIE_ON, 0); + } else { + rtc->periodic_freq &= ~PF_KOU; + return sh_rtc_ioctl(dev, RTC_PIE_OFF, 0); + } +} + +static int sh_rtc_irq_set_freq(struct device *dev, int freq) +{ + return sh_rtc_ioctl(dev, RTC_IRQP_SET, freq); +} + static struct rtc_class_ops sh_rtc_ops = { - .open = sh_rtc_open, .release = sh_rtc_release, .ioctl = sh_rtc_ioctl, .read_time = sh_rtc_read_time, .set_time = sh_rtc_set_time, .read_alarm = sh_rtc_read_alarm, .set_alarm = sh_rtc_set_alarm, + .irq_set_state = sh_rtc_irq_set_state, + .irq_set_freq = sh_rtc_irq_set_freq, .proc = sh_rtc_proc, }; @@ -544,6 +574,7 @@ static int __devinit sh_rtc_probe(struct platform_device *pdev) { struct sh_rtc *rtc; struct resource *res; + unsigned int tmp; int ret = -ENOENT; rtc = kzalloc(sizeof(struct sh_rtc), GFP_KERNEL); @@ -552,6 +583,7 @@ static int __devinit sh_rtc_probe(struct platform_device *pdev) spin_lock_init(&rtc->lock); + /* get periodic/carry/alarm irqs */ rtc->periodic_irq = platform_get_irq(pdev, 0); if (unlikely(rtc->periodic_irq < 0)) { dev_err(&pdev->dev, "No IRQ for period\n"); @@ -608,8 +640,48 @@ static int __devinit sh_rtc_probe(struct platform_device *pdev) rtc->capabilities |= pinfo->capabilities; } + rtc->rtc_dev->max_user_freq = 256; + rtc->rtc_dev->irq_freq = 1; + rtc->periodic_freq = 0x60; + platform_set_drvdata(pdev, rtc); + /* register periodic/carry/alarm irqs */ + ret = request_irq(rtc->periodic_irq, sh_rtc_periodic, IRQF_DISABLED, + "sh-rtc period", rtc); + if (unlikely(ret)) { + dev_err(&pdev->dev, + "request period IRQ failed with %d, IRQ %d\n", ret, + rtc->periodic_irq); + goto err_badmap; + } + + ret = request_irq(rtc->carry_irq, sh_rtc_interrupt, IRQF_DISABLED, + "sh-rtc carry", rtc); + if (unlikely(ret)) { + dev_err(&pdev->dev, + "request carry IRQ failed with %d, IRQ %d\n", ret, + rtc->carry_irq); + free_irq(rtc->periodic_irq, rtc); + goto err_badmap; + } + + ret = request_irq(rtc->alarm_irq, sh_rtc_alarm, IRQF_DISABLED, + "sh-rtc alarm", rtc); + if (unlikely(ret)) { + dev_err(&pdev->dev, + "request alarm IRQ failed with %d, IRQ %d\n", ret, + rtc->alarm_irq); + free_irq(rtc->carry_irq, rtc); + free_irq(rtc->periodic_irq, rtc); + goto err_badmap; + } + + tmp = readb(rtc->regbase + RCR1); + tmp &= ~RCR1_CF; + tmp |= RCR1_CIE; + writeb(tmp, rtc->regbase + RCR1); + return 0; err_badmap: @@ -630,6 +702,10 @@ static int __devexit sh_rtc_remove(struct platform_device *pdev) sh_rtc_setpie(&pdev->dev, 0); sh_rtc_setaie(&pdev->dev, 0); + free_irq(rtc->carry_irq, rtc); + free_irq(rtc->periodic_irq, rtc); + free_irq(rtc->alarm_irq, rtc); + release_resource(rtc->res); platform_set_drvdata(pdev, NULL); @@ -662,5 +738,7 @@ module_exit(sh_rtc_exit); MODULE_DESCRIPTION("SuperH on-chip RTC driver"); MODULE_VERSION(DRV_VERSION); -MODULE_AUTHOR("Paul Mundt , Jamie Lenehan "); +MODULE_AUTHOR("Paul Mundt , " + "Jamie Lenehan , " + "Angelo Castello "); MODULE_LICENSE("GPL"); diff --git a/include/asm-sh/se7722.h b/include/asm-sh/se7722.h index e0e89fc..3690fe5 100644 --- a/include/asm-sh/se7722.h +++ b/include/asm-sh/se7722.h @@ -77,6 +77,8 @@ #define PORT_PSELA 0xA405014EUL #define PORT_PYCR 0xA405014AUL #define PORT_PZCR 0xA405014CUL +#define PORT_HIZCRA 0xA4050158UL +#define PORT_HIZCRC 0xA405015CUL /* IRQ */ #define IRQ0_IRQ 32 diff --git a/include/asm-sh/sh_keysc.h b/include/asm-sh/sh_keysc.h new file mode 100644 index 0000000..b5a4dd5 --- /dev/null +++ b/include/asm-sh/sh_keysc.h @@ -0,0 +1,13 @@ +#ifndef __ASM_KEYSC_H__ +#define __ASM_KEYSC_H__ + +#define SH_KEYSC_MAXKEYS 30 + +struct sh_keysc_info { + enum { SH_KEYSC_MODE_1, SH_KEYSC_MODE_2, SH_KEYSC_MODE_3 } mode; + int scan_timing; /* 0 -> 7, see KYCR1, SCN[2:0] */ + int delay; + int keycodes[SH_KEYSC_MAXKEYS]; +}; + +#endif /* __ASM_KEYSC_H__ */