litmus-rt.git - The LITMUS^RT kernel.

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The LITMUS^RT kernel.

Bjoern Brandenburg

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path: root/include/linux/vt_kern.h

	Commit message (Expand)	Author	Age
*	vt: move kernel stuff out of vt.h	Alan Cox	2009-09-19
*	vt: remove power stuff from kernel/power	Alan Cox	2009-09-19
*	vt: add an event interface	Alan Cox	2009-09-19
*	tty: Remove more special casing and out of place code	Alan Cox	2008-10-13
*	tty: remove resize window special case	Alan Cox	2008-08-15
*	drivers/video/console/promcon.c: fix build error	Alexander Beregalov	2008-08-03
*	embedded: fix vc_translate operator precedence	Tim Bird	2008-08-01
*	Make console charset translation optional	David Woodhouse	2008-06-04
*	proper prototype for vty_init()	Adrian Bunk	2008-02-06
*	add CONFIG_VT_UNICODE	Bill Nottingham	2007-10-17
*	vt: add comment for unbind_con_driver()	Jesse Barnes	2007-07-17
*	fbcon: allow fbcon to use the primary display driver	Antonino A. Daplas	2007-07-17
*	use mutex instead of semaphore in virtual console driver	Matthias Kaehlcke	2007-05-08
*	[PATCH] swsusp: fix suspend when console is in VT_AUTO+KD_GRAPHICS mode	Andrew Johnson	2007-03-16
*	[PATCH] vt: rework the console spawning variables	Eric W. Biederman	2006-10-02
*	[PATCH] tty locking on resize	Alan Cox	2006-09-29
*	[PATCH] vt: Remove VT-specific declarations and definitions from tty.h	Jon Smirl	2006-07-10
*	Merge git://git.infradead.org/hdrcleanup-2.6	Linus Torvalds	2006-06-20
\|\
\| *	Don't include linux/config.h from anywhere else in include/	David Woodhouse	2006-04-26
* \|	[PATCH] revert "swsusp add check for suspension of X controlled devices"	Andrew Morton	2006-05-31
\|/
*	[PATCH] swsusp: add check for suspension of X-controlled devices	Rafael J. Wysocki	2006-03-23
*	Linux-2.6.12-rc2v2.6.12-rc2	Linus Torvalds	2005-04-16

>{ char handle[20]; int num_trips; const struct trip_config_map *trip_config; }; struct pmic_thermal_data { const struct thermal_irq_map *maps; int num_maps; }; static const struct trip_config_map bxtwc_str0_trip_config[] = { { .irq_reg = BXTWC_THRM0IRQ, .irq_mask = 0x01, .irq_en = BXTWC_MTHRM0IRQ, .irq_en_mask = 0x01, .evt_stat = BXTWC_STHRM0IRQ, .evt_mask = 0x01, .trip_num = 0 }, { .irq_reg = BXTWC_THRM0IRQ, .irq_mask = 0x10, .irq_en = BXTWC_MTHRM0IRQ, .irq_en_mask = 0x10, .evt_stat = BXTWC_STHRM0IRQ, .evt_mask = 0x10, .trip_num = 1 } }; static const struct trip_config_map bxtwc_str1_trip_config[] = { { .irq_reg = BXTWC_THRM0IRQ, .irq_mask = 0x02, .irq_en = BXTWC_MTHRM0IRQ, .irq_en_mask = 0x02, .evt_stat = BXTWC_STHRM0IRQ, .evt_mask = 0x02, .trip_num = 0 }, { .irq_reg = BXTWC_THRM0IRQ, .irq_mask = 0x20, .irq_en = BXTWC_MTHRM0IRQ, .irq_en_mask = 0x20, .evt_stat = BXTWC_STHRM0IRQ, .evt_mask = 0x20, .trip_num = 1 }, }; static const struct trip_config_map bxtwc_str2_trip_config[] = { { .irq_reg = BXTWC_THRM0IRQ, .irq_mask = 0x04, .irq_en = BXTWC_MTHRM0IRQ, .irq_en_mask = 0x04, .evt_stat = BXTWC_STHRM0IRQ, .evt_mask = 0x04, .trip_num = 0 }, { .irq_reg = BXTWC_THRM0IRQ, .irq_mask = 0x40, .irq_en = BXTWC_MTHRM0IRQ, .irq_en_mask = 0x40, .evt_stat = BXTWC_STHRM0IRQ, .evt_mask = 0x40, .trip_num = 1 }, }; static const struct trip_config_map bxtwc_str3_trip_config[] = { { .irq_reg = BXTWC_THRM2IRQ, .irq_mask = 0x10, .irq_en = BXTWC_MTHRM2IRQ, .irq_en_mask = 0x10, .evt_stat = BXTWC_STHRM2IRQ, .evt_mask = 0x10, .trip_num = 0 }, }; static const struct thermal_irq_map bxtwc_thermal_irq_map[] = { { .handle = "STR0", .trip_config = bxtwc_str0_trip_config, .num_trips = ARRAY_SIZE(bxtwc_str0_trip_config), }, { .handle = "STR1", .trip_config = bxtwc_str1_trip_config, .num_trips = ARRAY_SIZE(bxtwc_str1_trip_config), }, { .handle = "STR2", .trip_config = bxtwc_str2_trip_config, .num_trips = ARRAY_SIZE(bxtwc_str2_trip_config), }, { .handle = "STR3", .trip_config = bxtwc_str3_trip_config, .num_trips = ARRAY_SIZE(bxtwc_str3_trip_config), }, }; static const struct pmic_thermal_data bxtwc_thermal_data = { .maps = bxtwc_thermal_irq_map, .num_maps = ARRAY_SIZE(bxtwc_thermal_irq_map), }; static irqreturn_t pmic_thermal_irq_handler(int irq, void *data) { struct platform_device *pdev = data; struct thermal_zone_device *tzd; struct pmic_thermal_data *td; struct intel_soc_pmic *pmic; struct regmap *regmap; u8 reg_val, mask, irq_stat, trip; u16 reg, evt_stat_reg; int i, j, ret; pmic = dev_get_drvdata(pdev->dev.parent); regmap = pmic->regmap; td = (struct pmic_thermal_data *) platform_get_device_id(pdev)->driver_data; /* Resolve thermal irqs */ for (i = 0; i < td->num_maps; i++) { for (j = 0; j < td->maps[i].num_trips; j++) { reg = td->maps[i].trip_config[j].irq_reg; mask = td->maps[i].trip_config[j].irq_mask; /* * Read the irq register to resolve whether the * interrupt was triggered for this sensor */ if (regmap_read(regmap, reg, &ret)) return IRQ_HANDLED; reg_val = (u8)ret; irq_stat = ((u8)ret & mask); if (!irq_stat) continue; /* * Read the status register to find out what * event occurred i.e a high or a low */ evt_stat_reg = td->maps[i].trip_config[j].evt_stat; if (regmap_read(regmap, evt_stat_reg, &ret)) return IRQ_HANDLED; trip = td->maps[i].trip_config[j].trip_num; tzd = thermal_zone_get_zone_by_name(td->maps[i].handle); if (!IS_ERR(tzd)) thermal_zone_device_update(tzd, THERMAL_EVENT_UNSPECIFIED); /* Clear the appropriate irq */ regmap_write(regmap, reg, reg_val & mask); } } return IRQ_HANDLED; } static int pmic_thermal_probe(struct platform_device *pdev) { struct regmap_irq_chip_data *regmap_irq_chip; struct pmic_thermal_data *thermal_data; int ret, irq, virq, i, j, pmic_irq_count; struct intel_soc_pmic *pmic; struct regmap *regmap; struct device *dev; u16 reg; u8 mask; dev = &pdev->dev; pmic = dev_get_drvdata(pdev->dev.parent); if (!pmic) { dev_err(dev, "Failed to get struct intel_soc_pmic pointer\n"); return -ENODEV; } thermal_data = (struct pmic_thermal_data *) platform_get_device_id(pdev)->driver_data; if (!thermal_data) { dev_err(dev, "No thermal data initialized!!\n"); return -ENODEV; } regmap = pmic->regmap; regmap_irq_chip = pmic->irq_chip_data_level2; pmic_irq_count = 0; while ((irq = platform_get_irq(pdev, pmic_irq_count)) != -ENXIO) { virq = regmap_irq_get_virq(regmap_irq_chip, irq); if (virq < 0) { dev_err(dev, "failed to get virq by irq %d\n", irq); return virq; } ret = devm_request_threaded_irq(&pdev->dev, virq, NULL, pmic_thermal_irq_handler, IRQF_ONESHOT, "pmic_thermal", pdev); if (ret) { dev_err(dev, "request irq(%d) failed: %d\n", virq, ret); return ret; } pmic_irq_count++; } /* Enable thermal interrupts */ for (i = 0; i < thermal_data->num_maps; i++) { for (j = 0; j < thermal_data->maps[i].num_trips; j++) { reg = thermal_data->maps[i].trip_config[j].irq_en; mask = thermal_data->maps[i].trip_config[j].irq_en_mask; ret = regmap_update_bits(regmap, reg, mask, 0x00); if (ret) return ret; } } return 0; } static const struct platform_device_id pmic_thermal_id_table[] = { { .name = "bxt_wcove_thermal", .driver_data = (kernel_ulong_t)&bxtwc_thermal_data, }, {}, }; static struct platform_driver pmic_thermal_driver = { .probe = pmic_thermal_probe, .driver = { .name = "pmic_thermal", }, .id_table = pmic_thermal_id_table, }; MODULE_DEVICE_TABLE(platform, pmic_thermal_id_table); module_platform_driver(pmic_thermal_driver); MODULE_AUTHOR("Yegnesh S Iyer <yegnesh.s.iyer@intel.com>"); MODULE_DESCRIPTION("Intel Broxton PMIC Thermal Driver"); MODULE_LICENSE("GPL v2");