diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/clocksource/Kconfig | 2 | ||||
-rw-r--r-- | drivers/mfd/Kconfig | 27 | ||||
-rw-r--r-- | drivers/mfd/Makefile | 3 | ||||
-rw-r--r-- | drivers/mfd/ab5500-core.c | 1439 | ||||
-rw-r--r-- | drivers/mfd/ab5500-debugfs.c | 807 | ||||
-rw-r--r-- | drivers/mfd/ab5500-debugfs.h | 22 | ||||
-rw-r--r-- | drivers/mfd/db5500-prcmu.c | 451 |
7 files changed, 1 insertions, 2750 deletions
diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig index 5138927a416..99c6b203e6c 100644 --- a/drivers/clocksource/Kconfig +++ b/drivers/clocksource/Kconfig @@ -18,7 +18,7 @@ config DW_APB_TIMER config CLKSRC_DBX500_PRCMU bool "Clocksource PRCMU Timer" - depends on UX500_SOC_DB5500 || UX500_SOC_DB8500 + depends on UX500_SOC_DB8500 default y help Use the always on PRCMU Timer as clocksource diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index 11e44386fa9..d875bfa56ad 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -648,23 +648,6 @@ config EZX_PCAP This enables the PCAP ASIC present on EZX Phones. This is needed for MMC, TouchScreen, Sound, USB, etc.. -config AB5500_CORE - bool "ST-Ericsson AB5500 Mixed Signal Power Management chip" - depends on ABX500_CORE && MFD_DB5500_PRCMU - select MFD_CORE - help - Select this option to enable access to AB5500 power management - chip. This connects to the db5500 chip via the I2C bus via PRCMU. - This chip embeds various other multimedia funtionalities as well. - -config AB5500_DEBUG - bool "Enable debug info via debugfs" - depends on AB5500_CORE && DEBUG_FS - default y if DEBUG_FS - help - Select this option if you want debug information from the AB5500 - using the debug filesystem, debugfs. - config AB8500_CORE bool "ST-Ericsson AB8500 Mixed Signal Power Management chip" depends on GENERIC_HARDIRQS && ABX500_CORE @@ -711,16 +694,6 @@ config MFD_DB8500_PRCMU system controller running an XP70 microprocessor, which is accessed through a register map. -config MFD_DB5500_PRCMU - bool "ST-Ericsson DB5500 Power Reset Control Management Unit" - depends on UX500_SOC_DB5500 - select MFD_CORE - help - Select this option to enable support for the DB5500 Power Reset - and Control Management Unit. This is basically an autonomous - system controller running an XP70 microprocessor, which is accessed - through a register map. - config MFD_CS5535 tristate "Support for CS5535 and CS5536 southbridge core functions" select MFD_CORE diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile index 05fa538c5ef..669ba7d85a3 100644 --- a/drivers/mfd/Makefile +++ b/drivers/mfd/Makefile @@ -87,15 +87,12 @@ obj-$(CONFIG_PCF50633_GPIO) += pcf50633-gpio.o obj-$(CONFIG_ABX500_CORE) += abx500-core.o obj-$(CONFIG_AB3100_CORE) += ab3100-core.o obj-$(CONFIG_AB3100_OTP) += ab3100-otp.o -obj-$(CONFIG_AB5500_CORE) += ab5500-core.o -obj-$(CONFIG_AB5500_DEBUG) += ab5500-debugfs.o obj-$(CONFIG_AB8500_CORE) += ab8500-core.o ab8500-sysctrl.o obj-$(CONFIG_AB8500_DEBUG) += ab8500-debugfs.o obj-$(CONFIG_AB8500_GPADC) += ab8500-gpadc.o obj-$(CONFIG_MFD_DB8500_PRCMU) += db8500-prcmu.o # ab8500-i2c need to come after db8500-prcmu (which provides the channel) obj-$(CONFIG_AB8500_I2C_CORE) += ab8500-i2c.o -obj-$(CONFIG_MFD_DB5500_PRCMU) += db5500-prcmu.o obj-$(CONFIG_MFD_TIMBERDALE) += timberdale.o obj-$(CONFIG_PMIC_ADP5520) += adp5520.o obj-$(CONFIG_LPC_SCH) += lpc_sch.o diff --git a/drivers/mfd/ab5500-core.c b/drivers/mfd/ab5500-core.c deleted file mode 100644 index 54d0fe40845..00000000000 --- a/drivers/mfd/ab5500-core.c +++ /dev/null @@ -1,1439 +0,0 @@ -/* - * Copyright (C) 2007-2011 ST-Ericsson - * License terms: GNU General Public License (GPL) version 2 - * Low-level core for exclusive access to the AB5500 IC on the I2C bus - * and some basic chip-configuration. - * Author: Bengt Jonsson <bengt.g.jonsson@stericsson.com> - * Author: Mattias Nilsson <mattias.i.nilsson@stericsson.com> - * Author: Mattias Wallin <mattias.wallin@stericsson.com> - * Author: Rickard Andersson <rickard.andersson@stericsson.com> - * Author: Karl Komierowski <karl.komierowski@stericsson.com> - * Author: Bibek Basu <bibek.basu@stericsson.com> - * - * TODO: Event handling with irq_chip. Waiting for PRCMU fw support. - */ - -#include <linux/module.h> -#include <linux/mutex.h> -#include <linux/err.h> -#include <linux/platform_device.h> -#include <linux/slab.h> -#include <linux/device.h> -#include <linux/irq.h> -#include <linux/interrupt.h> -#include <linux/random.h> -#include <linux/mfd/abx500.h> -#include <linux/mfd/abx500/ab5500.h> -#include <linux/list.h> -#include <linux/bitops.h> -#include <linux/spinlock.h> -#include <linux/mfd/core.h> -#include <linux/mfd/db5500-prcmu.h> - -#include "ab5500-core.h" -#include "ab5500-debugfs.h" - -#define AB5500_NUM_EVENT_REG 23 -#define AB5500_IT_LATCH0_REG 0x40 -#define AB5500_IT_MASK0_REG 0x60 - -/* - * Permissible register ranges for reading and writing per device and bank. - * - * The ranges must be listed in increasing address order, and no overlaps are - * allowed. It is assumed that write permission implies read permission - * (i.e. only RO and RW permissions should be used). Ranges with write - * permission must not be split up. - */ - -#define NO_RANGE {.count = 0, .range = NULL,} -static struct ab5500_i2c_banks ab5500_bank_ranges[AB5500_NUM_DEVICES] = { - [AB5500_DEVID_USB] = { - .nbanks = 1, - .bank = (struct ab5500_i2c_ranges []) { - { - .bankid = AB5500_BANK_USB, - .nranges = 12, - .range = (struct ab5500_reg_range[]) { - { - .first = 0x01, - .last = 0x01, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x80, - .last = 0x83, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x87, - .last = 0x8A, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x8B, - .last = 0x8B, - .perm = AB5500_PERM_RO, - }, - { - .first = 0x91, - .last = 0x92, - .perm = AB5500_PERM_RO, - }, - { - .first = 0x93, - .last = 0x93, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x94, - .last = 0x94, - .perm = AB5500_PERM_RO, - }, - { - .first = 0xA8, - .last = 0xB0, - .perm = AB5500_PERM_RO, - }, - { - .first = 0xB2, - .last = 0xB2, - .perm = AB5500_PERM_RO, - }, - { - .first = 0xB4, - .last = 0xBC, - .perm = AB5500_PERM_RO, - }, - { - .first = 0xBF, - .last = 0xBF, - .perm = AB5500_PERM_RO, - }, - { - .first = 0xC1, - .last = 0xC5, - .perm = AB5500_PERM_RO, - }, - }, - }, - }, - }, - [AB5500_DEVID_ADC] = { - .nbanks = 1, - .bank = (struct ab5500_i2c_ranges []) { - { - .bankid = AB5500_BANK_ADC, - .nranges = 6, - .range = (struct ab5500_reg_range[]) { - { - .first = 0x1F, - .last = 0x22, - .perm = AB5500_PERM_RO, - }, - { - .first = 0x23, - .last = 0x24, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x26, - .last = 0x2D, - .perm = AB5500_PERM_RO, - }, - { - .first = 0x2F, - .last = 0x34, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x37, - .last = 0x57, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x58, - .last = 0x58, - .perm = AB5500_PERM_RO, - }, - }, - }, - }, - }, - [AB5500_DEVID_LEDS] = { - .nbanks = 1, - .bank = (struct ab5500_i2c_ranges []) { - { - .bankid = AB5500_BANK_LED, - .nranges = 1, - .range = (struct ab5500_reg_range[]) { - { - .first = 0x00, - .last = 0x0C, - .perm = AB5500_PERM_RW, - }, - }, - }, - }, - }, - [AB5500_DEVID_VIDEO] = { - .nbanks = 1, - .bank = (struct ab5500_i2c_ranges []) { - { - .bankid = AB5500_BANK_VDENC, - .nranges = 12, - .range = (struct ab5500_reg_range[]) { - { - .first = 0x00, - .last = 0x08, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x09, - .last = 0x09, - .perm = AB5500_PERM_RO, - }, - { - .first = 0x0A, - .last = 0x12, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x15, - .last = 0x19, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x1B, - .last = 0x21, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x27, - .last = 0x2C, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x41, - .last = 0x41, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x45, - .last = 0x5B, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x5D, - .last = 0x5D, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x69, - .last = 0x69, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x6C, - .last = 0x6D, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x80, - .last = 0x81, - .perm = AB5500_PERM_RW, - }, - }, - }, - }, - }, - [AB5500_DEVID_REGULATORS] = { - .nbanks = 2, - .bank = (struct ab5500_i2c_ranges []) { - { - .bankid = AB5500_BANK_STARTUP, - .nranges = 12, - .range = (struct ab5500_reg_range[]) { - { - .first = 0x00, - .last = 0x01, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x1F, - .last = 0x1F, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x2E, - .last = 0x2E, - .perm = AB5500_PERM_RO, - }, - { - .first = 0x2F, - .last = 0x30, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x50, - .last = 0x51, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x60, - .last = 0x61, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x66, - .last = 0x8A, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x8C, - .last = 0x96, - .perm = AB5500_PERM_RW, - }, - { - .first = 0xAA, - .last = 0xB4, - .perm = AB5500_PERM_RW, - }, - { - .first = 0xB7, - .last = 0xBF, - .perm = AB5500_PERM_RW, - }, - { - .first = 0xC1, - .last = 0xCA, - .perm = AB5500_PERM_RW, - }, - { - .first = 0xD3, - .last = 0xE0, - .perm = AB5500_PERM_RW, - }, - }, - }, - { - .bankid = AB5500_BANK_SIM_USBSIM, - .nranges = 1, - .range = (struct ab5500_reg_range[]) { - { - .first = 0x13, - .last = 0x19, - .perm = AB5500_PERM_RW, - }, - }, - }, - }, - }, - [AB5500_DEVID_SIM] = { - .nbanks = 1, - .bank = (struct ab5500_i2c_ranges []) { - { - .bankid = AB5500_BANK_SIM_USBSIM, - .nranges = 1, - .range = (struct ab5500_reg_range[]) { - { - .first = 0x13, - .last = 0x19, - .perm = AB5500_PERM_RW, - }, - }, - }, - }, - }, - [AB5500_DEVID_RTC] = { - .nbanks = 1, - .bank = (struct ab5500_i2c_ranges []) { - { - .bankid = AB5500_BANK_RTC, - .nranges = 2, - .range = (struct ab5500_reg_range[]) { - { - .first = 0x00, - .last = 0x04, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x06, - .last = 0x0C, - .perm = AB5500_PERM_RW, - }, - }, - }, - }, - }, - [AB5500_DEVID_CHARGER] = { - .nbanks = 1, - .bank = (struct ab5500_i2c_ranges []) { - { - .bankid = AB5500_BANK_CHG, - .nranges = 2, - .range = (struct ab5500_reg_range[]) { - { - .first = 0x11, - .last = 0x11, - .perm = AB5500_PERM_RO, - }, - { - .first = 0x12, - .last = 0x1B, - .perm = AB5500_PERM_RW, - }, - }, - }, - }, - }, - [AB5500_DEVID_FUELGAUGE] = { - .nbanks = 1, - .bank = (struct ab5500_i2c_ranges []) { - { - .bankid = AB5500_BANK_FG_BATTCOM_ACC, - .nranges = 2, - .range = (struct ab5500_reg_range[]) { - { - .first = 0x00, - .last = 0x0B, - .perm = AB5500_PERM_RO, - }, - { - .first = 0x0C, - .last = 0x10, - .perm = AB5500_PERM_RW, - }, - }, - }, - }, - }, - [AB5500_DEVID_VIBRATOR] = { - .nbanks = 1, - .bank = (struct ab5500_i2c_ranges []) { - { - .bankid = AB5500_BANK_VIBRA, - .nranges = 2, - .range = (struct ab5500_reg_range[]) { - { - .first = 0x10, - .last = 0x13, - .perm = AB5500_PERM_RW, - }, - { - .first = 0xFE, - .last = 0xFE, - .perm = AB5500_PERM_RW, - }, - }, - }, - }, - }, - [AB5500_DEVID_CODEC] = { - .nbanks = 1, - .bank = (struct ab5500_i2c_ranges []) { - { - .bankid = AB5500_BANK_AUDIO_HEADSETUSB, - .nranges = 2, - .range = (struct ab5500_reg_range[]) { - { - .first = 0x00, - .last = 0x48, - .perm = AB5500_PERM_RW, - }, - { - .first = 0xEB, - .last = 0xFB, - .perm = AB5500_PERM_RW, - }, - }, - }, - }, - }, - [AB5500_DEVID_POWER] = { - .nbanks = 2, - .bank = (struct ab5500_i2c_ranges []) { - { - .bankid = AB5500_BANK_STARTUP, - .nranges = 1, - .range = (struct ab5500_reg_range[]) { - { - .first = 0x30, - .last = 0x30, - .perm = AB5500_PERM_RW, - }, - }, - }, - { - .bankid = AB5500_BANK_VIT_IO_I2C_CLK_TST_OTP, - .nranges = 1, - .range = (struct ab5500_reg_range[]) { - { - .first = 0x01, - .last = 0x01, - .perm = AB5500_PERM_RW, - }, - }, - }, - }, - }, -}; - -#define AB5500_IRQ(bank, bit) ((bank) * 8 + (bit)) - -/* I appologize for the resource names beeing a mix of upper case - * and lower case but I want them to be exact as the documentation */ -static struct mfd_cell ab5500_devs[AB5500_NUM_DEVICES] = { - [AB5500_DEVID_LEDS] = { - .name = "ab5500-leds", - .id = AB5500_DEVID_LEDS, - }, - [AB5500_DEVID_POWER] = { - .name = "ab5500-power", - .id = AB5500_DEVID_POWER, - }, - [AB5500_DEVID_REGULATORS] = { - .name = "ab5500-regulator", - .id = AB5500_DEVID_REGULATORS, - }, - [AB5500_DEVID_SIM] = { - .name = "ab5500-sim", - .id = AB5500_DEVID_SIM, - .num_resources = 1, - .resources = (struct resource[]) { - { - .name = "SIMOFF", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(2, 0), /*rising*/ - .end = AB5500_IRQ(2, 1), /*falling*/ - }, - }, - }, - [AB5500_DEVID_RTC] = { - .name = "ab5500-rtc", - .id = AB5500_DEVID_RTC, - .num_resources = 1, - .resources = (struct resource[]) { - { - .name = "RTC_Alarm", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(1, 7), - .end = AB5500_IRQ(1, 7), - } - }, - }, - [AB5500_DEVID_CHARGER] = { - .name = "ab5500-charger", - .id = AB5500_DEVID_CHARGER, - }, - [AB5500_DEVID_ADC] = { - .name = "ab5500-adc", - .id = AB5500_DEVID_ADC, - .num_resources = 10, - .resources = (struct resource[]) { - { - .name = "TRIGGER-0", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(0, 0), - .end = AB5500_IRQ(0, 0), - }, - { - .name = "TRIGGER-1", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(0, 1), - .end = AB5500_IRQ(0, 1), - }, - { - .name = "TRIGGER-2", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(0, 2), - .end = AB5500_IRQ(0, 2), - }, - { - .name = "TRIGGER-3", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(0, 3), - .end = AB5500_IRQ(0, 3), - }, - { - .name = "TRIGGER-4", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(0, 4), - .end = AB5500_IRQ(0, 4), - }, - { - .name = "TRIGGER-5", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(0, 5), - .end = AB5500_IRQ(0, 5), - }, - { - .name = "TRIGGER-6", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(0, 6), - .end = AB5500_IRQ(0, 6), - }, - { - .name = "TRIGGER-7", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(0, 7), - .end = AB5500_IRQ(0, 7), - }, - { - .name = "TRIGGER-VBAT", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(0, 8), - .end = AB5500_IRQ(0, 8), - }, - { - .name = "TRIGGER-VBAT-TXON", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(0, 9), - .end = AB5500_IRQ(0, 9), - }, - }, - }, - [AB5500_DEVID_FUELGAUGE] = { - .name = "ab5500-fuelgauge", - .id = AB5500_DEVID_FUELGAUGE, - .num_resources = 6, - .resources = (struct resource[]) { - { - .name = "Batt_attach", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(7, 5), - .end = AB5500_IRQ(7, 5), - }, - { - .name = "Batt_removal", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(7, 6), - .end = AB5500_IRQ(7, 6), - }, - { - .name = "UART_framing", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(7, 7), - .end = AB5500_IRQ(7, 7), - }, - { - .name = "UART_overrun", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(8, 0), - .end = AB5500_IRQ(8, 0), - }, - { - .name = "UART_Rdy_RX", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(8, 1), - .end = AB5500_IRQ(8, 1), - }, - { - .name = "UART_Rdy_TX", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(8, 2), - .end = AB5500_IRQ(8, 2), - }, - }, - }, - [AB5500_DEVID_VIBRATOR] = { - .name = "ab5500-vibrator", - .id = AB5500_DEVID_VIBRATOR, - }, - [AB5500_DEVID_CODEC] = { - .name = "ab5500-codec", - .id = AB5500_DEVID_CODEC, - .num_resources = 3, - .resources = (struct resource[]) { - { - .name = "audio_spkr1_ovc", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(9, 5), - .end = AB5500_IRQ(9, 5), - }, - { - .name = "audio_plllocked", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(9, 6), - .end = AB5500_IRQ(9, 6), - }, - { - .name = "audio_spkr2_ovc", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(17, 4), - .end = AB5500_IRQ(17, 4), - }, - }, - }, - [AB5500_DEVID_USB] = { - .name = "ab5500-usb", - .id = AB5500_DEVID_USB, - .num_resources = 36, - .resources = (struct resource[]) { - { - .name = "Link_Update", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(22, 1), - .end = AB5500_IRQ(22, 1), - }, - { - .name = "DCIO", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(8, 3), - .end = AB5500_IRQ(8, 4), - }, - { - .name = "VBUS_R", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(8, 5), - .end = AB5500_IRQ(8, 5), - }, - { - .name = "VBUS_F", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(8, 6), - .end = AB5500_IRQ(8, 6), - }, - { - .name = "CHGstate_10_PCVBUSchg", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(8, 7), - .end = AB5500_IRQ(8, 7), - }, - { - .name = "DCIOreverse_ovc", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(9, 0), - .end = AB5500_IRQ(9, 0), - }, - { - .name = "USBCharDetDone", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(9, 1), - .end = AB5500_IRQ(9, 1), - }, - { - .name = "DCIO_no_limit", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(9, 2), - .end = AB5500_IRQ(9, 2), - }, - { - .name = "USB_suspend", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(9, 3), - .end = AB5500_IRQ(9, 3), - }, - { - .name = "DCIOreverse_fwdcurrent", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(9, 4), - .end = AB5500_IRQ(9, 4), - }, - { - .name = "Vbus_Imeasmax_change", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(9, 5), - .end = AB5500_IRQ(9, 6), - }, - { - .name = "OVV", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(14, 5), - .end = AB5500_IRQ(14, 5), - }, - { - .name = "USBcharging_NOTok", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(15, 3), - .end = AB5500_IRQ(15, 3), - }, - { - .name = "usb_adp_sensoroff", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(15, 6), - .end = AB5500_IRQ(15, 6), - }, - { - .name = "usb_adp_probeplug", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(15, 7), - .end = AB5500_IRQ(15, 7), - }, - { - .name = "usb_adp_sinkerror", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(16, 0), - .end = AB5500_IRQ(16, 6), - }, - { - .name = "usb_adp_sourceerror", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(16, 1), - .end = AB5500_IRQ(16, 1), - }, - { - .name = "usb_idgnd_r", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(16, 2), - .end = AB5500_IRQ(16, 2), - }, - { - .name = "usb_idgnd_f", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(16, 3), - .end = AB5500_IRQ(16, 3), - }, - { - .name = "usb_iddetR1", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(16, 4), - .end = AB5500_IRQ(16, 5), - }, - { - .name = "usb_iddetR2", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(16, 6), - .end = AB5500_IRQ(16, 7), - }, - { - .name = "usb_iddetR3", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(17, 0), - .end = AB5500_IRQ(17, 1), - }, - { - .name = "usb_iddetR4", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(17, 2), - .end = AB5500_IRQ(17, 3), - }, - { - .name = "CharTempWindowOk", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(17, 7), - .end = AB5500_IRQ(18, 0), - }, - { - .name = "USB_SprDetect", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(18, 1), - .end = AB5500_IRQ(18, 1), - }, - { - .name = "usb_adp_probe_unplug", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(18, 2), - .end = AB5500_IRQ(18, 2), - }, - { - .name = "VBUSChDrop", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(18, 3), - .end = AB5500_IRQ(18, 4), - }, - { - .name = "dcio_char_rec_done", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(18, 5), - .end = AB5500_IRQ(18, 5), - }, - { - .name = "Charging_stopped_by_temp", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(18, 6), - .end = AB5500_IRQ(18, 6), - }, - { - .name = "CHGstate_11_SafeModeVBUS", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(21, 1), - .end = AB5500_IRQ(21, 2), - }, - { - .name = "CHGstate_12_comletedVBUS", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(21, 2), - .end = AB5500_IRQ(21, 2), - }, - { - .name = "CHGstate_13_completedVBUS", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(21, 3), - .end = AB5500_IRQ(21, 3), - }, - { - .name = "CHGstate_14_FullChgDCIO", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(21, 4), - .end = AB5500_IRQ(21, 4), - }, - { - .name = "CHGstate_15_SafeModeDCIO", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(21, 5), - .end = AB5500_IRQ(21, 5), - }, - { - .name = "CHGstate_16_OFFsuspendDCIO", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(21, 6), - .end = AB5500_IRQ(21, 6), - }, - { - .name = "CHGstate_17_completedDCIO", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(21, 7), - .end = AB5500_IRQ(21, 7), - }, - }, - }, - [AB5500_DEVID_OTP] = { - .name = "ab5500-otp", - .id = AB5500_DEVID_OTP, - }, - [AB5500_DEVID_VIDEO] = { - .name = "ab5500-video", - .id = AB5500_DEVID_VIDEO, - .num_resources = 1, - .resources = (struct resource[]) { - { - .name = "plugTVdet", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(22, 2), - .end = AB5500_IRQ(22, 2), - }, - }, - }, - [AB5500_DEVID_DBIECI] = { - .name = "ab5500-dbieci", - .id = AB5500_DEVID_DBIECI, - .num_resources = 10, - .resources = (struct resource[]) { - { - .name = "COLL", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(14, 0), - .end = AB5500_IRQ(14, 0), - }, - { - .name = "RESERR", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(14, 1), - .end = AB5500_IRQ(14, 1), - }, - { - .name = "FRAERR", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(14, 2), - .end = AB5500_IRQ(14, 2), - }, - { - .name = "COMERR", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(14, 3), - .end = AB5500_IRQ(14, 3), - }, - { - .name = "BSI_indicator", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(14, 4), - .end = AB5500_IRQ(14, 4), - }, - { - .name = "SPDSET", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(14, 6), - .end = AB5500_IRQ(14, 6), - }, - { - .name = "DSENT", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(14, 7), - .end = AB5500_IRQ(14, 7), - }, - { - .name = "DREC", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(15, 0), - .end = AB5500_IRQ(15, 0), - }, - { - .name = "ACCINT", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(15, 1), - .end = AB5500_IRQ(15, 1), - }, - { - .name = "NOPINT", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(15, 2), - .end = AB5500_IRQ(15, 2), - }, - }, - }, - [AB5500_DEVID_ONSWA] = { - .name = "ab5500-onswa", - .id = AB5500_DEVID_ONSWA, - .num_resources = 2, - .resources = (struct resource[]) { - { - .name = "ONSWAn_rising", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(1, 3), - .end = AB5500_IRQ(1, 3), - }, - { - .name = "ONSWAn_falling", - .flags = IORESOURCE_IRQ, - .start = AB5500_IRQ(1, 4), - .end = AB5500_IRQ(1, 4), - }, - }, - }, -}; - -/* - * Functionality for getting/setting register values. - */ -int ab5500_get_register_interruptible_raw(struct ab5500 *ab, - u8 bank, u8 reg, - u8 *value) -{ - int err; - - if (bank >= AB5500_NUM_BANKS) - return -EINVAL; - - err = mutex_lock_interruptible(&ab->access_mutex); - if (err) - return err; - err = db5500_prcmu_abb_read(bankinfo[bank].slave_addr, reg, value, 1); - - mutex_unlock(&ab->access_mutex); - return err; -} - -static int get_register_page_interruptible(struct ab5500 *ab, u8 bank, - u8 first_reg, u8 *regvals, u8 numregs) -{ - int err; - - if (bank >= AB5500_NUM_BANKS) - return -EINVAL; - - err = mutex_lock_interruptible(&ab->access_mutex); - if (err) - return err; - - while (numregs) { - /* The hardware limit for get page is 4 */ - u8 curnum = min_t(u8, numregs, 4u); - - err = db5500_prcmu_abb_read(bankinfo[bank].slave_addr, - first_reg, regvals, curnum); - if (err) - goto out; - - numregs -= curnum; - first_reg += curnum; - regvals += curnum; - } - -out: - mutex_unlock(&ab->access_mutex); - return err; -} - -int ab5500_mask_and_set_register_interruptible_raw(struct ab5500 *ab, u8 bank, - u8 reg, u8 bitmask, u8 bitvalues) -{ - int err = 0; - - if (bank >= AB5500_NUM_BANKS) - return -EINVAL; - - if (bitmask) { - u8 buf; - - err = mutex_lock_interruptible(&ab->access_mutex); - if (err) - return err; - - if (bitmask == 0xFF) /* No need to read in this case. */ - buf = bitvalues; - else { /* Read and modify the register value. */ - err = db5500_prcmu_abb_read(bankinfo[bank].slave_addr, - reg, &buf, 1); - if (err) - return err; - - buf = ((~bitmask & buf) | (bitmask & bitvalues)); - } - /* Write the new value. */ - err = db5500_prcmu_abb_write(bankinfo[bank].slave_addr, reg, - &buf, 1); - - mutex_unlock(&ab->access_mutex); - } - return err; -} - -static int -set_register_interruptible(struct ab5500 *ab, u8 bank, u8 reg, u8 value) -{ - return ab5500_mask_and_set_register_interruptible_raw(ab, bank, reg, - 0xff, value); -} - -/* - * Read/write permission checking functions. - */ -static const struct ab5500_i2c_ranges *get_bankref(u8 devid, u8 bank) -{ - u8 i; - - if (devid < AB5500_NUM_DEVICES) { - for (i = 0; i < ab5500_bank_ranges[devid].nbanks; i++) { - if (ab5500_bank_ranges[devid].bank[i].bankid == bank) - return &ab5500_bank_ranges[devid].bank[i]; - } - } - return NULL; -} - -static bool page_write_allowed(u8 devid, u8 bank, u8 first_reg, u8 last_reg) -{ - u8 i; /* range loop index */ - const struct ab5500_i2c_ranges *bankref; - - bankref = get_bankref(devid, bank); - if (bankref == NULL || last_reg < first_reg) - return false; - - for (i = 0; i < bankref->nranges; i++) { - if (first_reg < bankref->range[i].first) - break; - if ((last_reg <= bankref->range[i].last) && - (bankref->range[i].perm & AB5500_PERM_WR)) - return true; - } - return false; -} - -static bool reg_write_allowed(u8 devid, u8 bank, u8 reg) -{ - return page_write_allowed(devid, bank, reg, reg); -} - -static bool page_read_allowed(u8 devid, u8 bank, u8 first_reg, u8 last_reg) -{ - u8 i; - const struct ab5500_i2c_ranges *bankref; - - bankref = get_bankref(devid, bank); - if (bankref == NULL || last_reg < first_reg) - return false; - - - /* Find the range (if it exists in the list) that includes first_reg. */ - for (i = 0; i < bankref->nranges; i++) { - if (first_reg < bankref->range[i].first) - return false; - if (first_reg <= bankref->range[i].last) - break; - } - /* Make sure that the entire range up to and including last_reg is - * readable. This may span several of the ranges in the list. - */ - while ((i < bankref->nranges) && - (bankref->range[i].perm & AB5500_PERM_RD)) { - if (last_reg <= bankref->range[i].last) - return true; - if ((++i >= bankref->nranges) || - (bankref->range[i].first != - (bankref->range[i - 1].last + 1))) { - break; - } - } - return false; -} - -static bool reg_read_allowed(u8 devid, u8 bank, u8 reg) -{ - return page_read_allowed(devid, bank, reg, reg); -} - - -/* - * The exported register access functionality. - */ -static int ab5500_get_chip_id(struct device *dev) -{ - struct ab5500 *ab = dev_get_drvdata(dev->parent); - - return (int)ab->chip_id; -} - -static int ab5500_mask_and_set_register_interruptible(struct device *dev, - u8 bank, u8 reg, u8 bitmask, u8 bitvalues) -{ - struct ab5500 *ab; - struct platform_device *pdev = to_platform_device(dev); - - if ((AB5500_NUM_BANKS <= bank) || - !reg_write_allowed(pdev->id, bank, reg)) - return -EINVAL; - - ab = dev_get_drvdata(dev->parent); - return ab5500_mask_and_set_register_interruptible_raw(ab, bank, reg, - bitmask, bitvalues); -} - -static int ab5500_set_register_interruptible(struct device *dev, u8 bank, - u8 reg, u8 value) -{ - return ab5500_mask_and_set_register_interruptible(dev, bank, reg, 0xFF, - value); -} - -static int ab5500_get_register_interruptible(struct device *dev, u8 bank, - u8 reg, u8 *value) -{ - struct ab5500 *ab; - struct platform_device *pdev = to_platform_device(dev); - - if ((AB5500_NUM_BANKS <= bank) || - !reg_read_allowed(pdev->id, bank, reg)) - return -EINVAL; - - ab = dev_get_drvdata(dev->parent); - return ab5500_get_register_interruptible_raw(ab, bank, reg, value); -} - -static int ab5500_get_register_page_interruptible(struct device *dev, u8 bank, - u8 first_reg, u8 *regvals, u8 numregs) -{ - struct ab5500 *ab; - struct platform_device *pdev = to_platform_device(dev); - - if ((AB5500_NUM_BANKS <= bank) || - !page_read_allowed(pdev->id, bank, - first_reg, (first_reg + numregs - 1))) - return -EINVAL; - - ab = dev_get_drvdata(dev->parent); - return get_register_page_interruptible(ab, bank, first_reg, regvals, - numregs); -} - -static int -ab5500_event_registers_startup_state_get(struct device *dev, u8 *event) -{ - struct ab5500 *ab; - - ab = dev_get_drvdata(dev->parent); - if (!ab->startup_events_read) - return -EAGAIN; /* Try again later */ - - memcpy(event, ab->startup_events, AB5500_NUM_EVENT_REG); - return 0; -} - -static struct abx500_ops ab5500_ops = { - .get_chip_id = ab5500_get_chip_id, - .get_register = ab5500_get_register_interruptible, - .set_register = ab5500_set_register_interruptible, - .get_register_page = ab5500_get_register_page_interruptible, - .set_register_page = NULL, - .mask_and_set_register = ab5500_mask_and_set_register_interruptible, - .event_registers_startup_state_get = - ab5500_event_registers_startup_state_get, - .startup_irq_enabled = NULL, -}; - -/* - * ab5500_setup : Basic set-up, datastructure creation/destruction - * and I2C interface.This sets up a default config - * in the AB5500 chip so that it will work as expected. - * @ab : Pointer to ab5500 structure - * @settings : Pointer to struct abx500_init_settings - * @size : Size of init data - */ -static int __init ab5500_setup(struct ab5500 *ab, - struct abx500_init_settings *settings, unsigned int size) -{ - int err = 0; - int i; - - for (i = 0; i < size; i++) { - err = ab5500_mask_and_set_register_interruptible_raw(ab, - settings[i].bank, - settings[i].reg, - 0xFF, settings[i].setting); - if (err) - goto exit_no_setup; - - /* If event mask register update the event mask in ab5500 */ - if ((settings[i].bank == AB5500_BANK_IT) && - (AB5500_MASK_BASE <= settings[i].reg) && - (settings[i].reg <= AB5500_MASK_END)) { - ab->mask[settings[i].reg - AB5500_MASK_BASE] = - settings[i].setting; - } - } -exit_no_setup: - return err; -} - -struct ab_family_id { - u8 id; - char *name; -}; - -static const struct ab_family_id ids[] __initdata = { - /* AB5500 */ - { - .id = AB5500_1_0, - .name = "1.0" - }, - { - .id = AB5500_1_1, - .name = "1.1" - }, - /* Terminator */ - { - .id = 0x00, - } -}; - -static int __init ab5500_probe(struct platform_device *pdev) -{ - struct ab5500 *ab; - struct ab5500_platform_data *ab5500_plf_data = - pdev->dev.platform_data; - int err; - int i; - - ab = kzalloc(sizeof(struct ab5500), GFP_KERNEL); - if (!ab) { - dev_err(&pdev->dev, - "could not allocate ab5500 device\n"); - return -ENOMEM; - } - - /* Initialize data structure */ - mutex_init(&ab->access_mutex); - mutex_init(&ab->irq_lock); - ab->dev = &pdev->dev; - - platform_set_drvdata(pdev, ab); - - /* Read chip ID register */ - err = ab5500_get_register_interruptible_raw(ab, - AB5500_BANK_VIT_IO_I2C_CLK_TST_OTP, - AB5500_CHIP_ID, &ab->chip_id); - if (err) { - dev_err(&pdev->dev, "could not communicate with the analog " - "baseband chip\n"); - goto exit_no_detect; - } - - for (i = 0; ids[i].id != 0x0; i++) { - if (ids[i].id == ab->chip_id) { - snprintf(&ab->chip_name[0], sizeof(ab->chip_name) - 1, - "AB5500 %s", ids[i].name); - break; - } - } - if (ids[i].id == 0x0) { - dev_err(&pdev->dev, "unknown analog baseband chip id: 0x%x\n", - ab->chip_id); - dev_err(&pdev->dev, "driver not started!\n"); - goto exit_no_detect; - } - - /* Clear and mask all interrupts */ - for (i = 0; i < AB5500_NUM_IRQ_REGS; i++) { - u8 latchreg = AB5500_IT_LATCH0_REG + i; - u8 maskreg = AB5500_IT_MASK0_REG + i; - u8 val; - - ab5500_get_register_interruptible_raw(ab, AB5500_BANK_IT, - latchreg, &val); - set_register_interruptible(ab, AB5500_BANK_IT, maskreg, 0xff); - ab->mask[i] = ab->oldmask[i] = 0xff; - } - - err = abx500_register_ops(&pdev->dev, &ab5500_ops); - if (err) { - dev_err(&pdev->dev, "ab5500_register ops error\n"); - goto exit_no_detect; - } - - /* Set up and register the platform devices. */ - for (i = 0; i < AB5500_NUM_DEVICES; i++) { - ab5500_devs[i].platform_data = ab5500_plf_data->dev_data[i]; - ab5500_devs[i].pdata_size = - sizeof(ab5500_plf_data->dev_data[i]); - } - - err = mfd_add_devices(&pdev->dev, 0, ab5500_devs, - ARRAY_SIZE(ab5500_devs), NULL, - ab5500_plf_data->irq.base); - if (err) { - dev_err(&pdev->dev, "ab5500_mfd_add_device error\n"); - goto exit_no_detect; - } - - err = ab5500_setup(ab, ab5500_plf_data->init_settings, - ab5500_plf_data->init_settings_sz); - if (err) { - dev_err(&pdev->dev, "ab5500_setup error\n"); - goto exit_no_detect; - } - - ab5500_setup_debugfs(ab); - - dev_info(&pdev->dev, "detected AB chip: %s\n", &ab->chip_name[0]); - return 0; - -exit_no_detect: - kfree(ab); - return err; -} - -static int __exit ab5500_remove(struct platform_device *pdev) -{ - struct ab5500 *ab = platform_get_drvdata(pdev); - - ab5500_remove_debugfs(); - mfd_remove_devices(&pdev->dev); - kfree(ab); - return 0; -} - -static struct platform_driver ab5500_driver = { - .driver = { - .name = "ab5500-core", - .owner = THIS_MODULE, - }, - .remove = __exit_p(ab5500_remove), -}; - -static int __init ab5500_core_init(void) -{ - return platform_driver_probe(&ab5500_driver, ab5500_probe); -} - -static void __exit ab5500_core_exit(void) -{ - platform_driver_unregister(&ab5500_driver); -} - -subsys_initcall(ab5500_core_init); -module_exit(ab5500_core_exit); - -MODULE_AUTHOR("Mattias Wallin <mattias.wallin@stericsson.com>"); -MODULE_DESCRIPTION("AB5500 core driver"); -MODULE_LICENSE("GPL"); diff --git a/drivers/mfd/ab5500-debugfs.c b/drivers/mfd/ab5500-debugfs.c deleted file mode 100644 index 72006940937..00000000000 --- a/drivers/mfd/ab5500-debugfs.c +++ /dev/null @@ -1,807 +0,0 @@ -/* - * Copyright (C) 2011 ST-Ericsson - * License terms: GNU General Public License (GPL) version 2 - * Debugfs support for the AB5500 MFD driver - */ - -#include <linux/module.h> -#include <linux/debugfs.h> -#include <linux/seq_file.h> -#include <linux/mfd/abx500.h> -#include <linux/mfd/abx500/ab5500.h> -#include <linux/uaccess.h> - -#include "ab5500-core.h" -#include "ab5500-debugfs.h" - -static struct ab5500_i2c_ranges ab5500_reg_ranges[AB5500_NUM_BANKS] = { - [AB5500_BANK_LED] = { - .bankid = AB5500_BANK_LED, - .nranges = 1, - .range = (struct ab5500_reg_range[]) { - { - .first = 0x00, - .last = 0x0C, - .perm = AB5500_PERM_RW, - }, - }, - }, - [AB5500_BANK_ADC] = { - .bankid = AB5500_BANK_ADC, - .nranges = 6, - .range = (struct ab5500_reg_range[]) { - { - .first = 0x1F, - .last = 0x22, - .perm = AB5500_PERM_RO, - }, - { - .first = 0x23, - .last = 0x24, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x26, - .last = 0x2D, - .perm = AB5500_PERM_RO, - }, - { - .first = 0x2F, - .last = 0x34, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x37, - .last = 0x57, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x58, - .last = 0x58, - .perm = AB5500_PERM_RO, - }, - }, - }, - [AB5500_BANK_RTC] = { - .bankid = AB5500_BANK_RTC, - .nranges = 2, - .range = (struct ab5500_reg_range[]) { - { - .first = 0x00, - .last = 0x04, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x06, - .last = 0x0C, - .perm = AB5500_PERM_RW, - }, - }, - }, - [AB5500_BANK_STARTUP] = { - .bankid = AB5500_BANK_STARTUP, - .nranges = 12, - .range = (struct ab5500_reg_range[]) { - { - .first = 0x00, - .last = 0x01, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x1F, - .last = 0x1F, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x2E, - .last = 0x2E, - .perm = AB5500_PERM_RO, - }, - { - .first = 0x2F, - .last = 0x30, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x50, - .last = 0x51, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x60, - .last = 0x61, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x66, - .last = 0x8A, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x8C, - .last = 0x96, - .perm = AB5500_PERM_RW, - }, - { - .first = 0xAA, - .last = 0xB4, - .perm = AB5500_PERM_RW, - }, - { - .first = 0xB7, - .last = 0xBF, - .perm = AB5500_PERM_RW, - }, - { - .first = 0xC1, - .last = 0xCA, - .perm = AB5500_PERM_RW, - }, - { - .first = 0xD3, - .last = 0xE0, - .perm = AB5500_PERM_RW, - }, - }, - }, - [AB5500_BANK_DBI_ECI] = { - .bankid = AB5500_BANK_DBI_ECI, - .nranges = 3, - .range = (struct ab5500_reg_range[]) { - { - .first = 0x00, - .last = 0x07, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x10, - .last = 0x10, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x13, - .last = 0x13, - .perm = AB5500_PERM_RW, - }, - }, - }, - [AB5500_BANK_CHG] = { - .bankid = AB5500_BANK_CHG, - .nranges = 2, - .range = (struct ab5500_reg_range[]) { - { - .first = 0x11, - .last = 0x11, - .perm = AB5500_PERM_RO, - }, - { - .first = 0x12, - .last = 0x1B, - .perm = AB5500_PERM_RW, - }, - }, - }, - [AB5500_BANK_FG_BATTCOM_ACC] = { - .bankid = AB5500_BANK_FG_BATTCOM_ACC, - .nranges = 2, - .range = (struct ab5500_reg_range[]) { - { - .first = 0x00, - .last = 0x0B, - .perm = AB5500_PERM_RO, - }, - { - .first = 0x0C, - .last = 0x10, - .perm = AB5500_PERM_RW, - }, - }, - }, - [AB5500_BANK_USB] = { - .bankid = AB5500_BANK_USB, - .nranges = 12, - .range = (struct ab5500_reg_range[]) { - { - .first = 0x01, - .last = 0x01, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x80, - .last = 0x83, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x87, - .last = 0x8A, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x8B, - .last = 0x8B, - .perm = AB5500_PERM_RO, - }, - { - .first = 0x91, - .last = 0x92, - .perm = AB5500_PERM_RO, - }, - { - .first = 0x93, - .last = 0x93, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x94, - .last = 0x94, - .perm = AB5500_PERM_RO, - }, - { - .first = 0xA8, - .last = 0xB0, - .perm = AB5500_PERM_RO, - }, - { - .first = 0xB2, - .last = 0xB2, - .perm = AB5500_PERM_RO, - }, - { - .first = 0xB4, - .last = 0xBC, - .perm = AB5500_PERM_RO, - }, - { - .first = 0xBF, - .last = 0xBF, - .perm = AB5500_PERM_RO, - }, - { - .first = 0xC1, - .last = 0xC5, - .perm = AB5500_PERM_RO, - }, - }, - }, - [AB5500_BANK_IT] = { - .bankid = AB5500_BANK_IT, - .nranges = 4, - .range = (struct ab5500_reg_range[]) { - { - .first = 0x00, - .last = 0x02, - .perm = AB5500_PERM_RO, - }, - { - .first = 0x20, - .last = 0x36, - .perm = AB5500_PERM_RO, - }, - { - .first = 0x40, - .last = 0x56, - .perm = AB5500_PERM_RO, - }, - { - .first = 0x60, - .last = 0x76, - .perm = AB5500_PERM_RO, - }, - }, - }, - [AB5500_BANK_VDDDIG_IO_I2C_CLK_TST] = { - .bankid = AB5500_BANK_VDDDIG_IO_I2C_CLK_TST, - .nranges = 7, - .range = (struct ab5500_reg_range[]) { - { - .first = 0x02, - .last = 0x02, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x12, - .last = 0x12, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x30, - .last = 0x34, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x40, - .last = 0x44, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x50, - .last = 0x54, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x60, - .last = 0x64, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x70, - .last = 0x74, - .perm = AB5500_PERM_RW, - }, - }, - }, - [AB5500_BANK_VIT_IO_I2C_CLK_TST_OTP] = { - .bankid = AB5500_BANK_VIT_IO_I2C_CLK_TST_OTP, - .nranges = 13, - .range = (struct ab5500_reg_range[]) { - { - .first = 0x01, - .last = 0x01, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x02, - .last = 0x02, - .perm = AB5500_PERM_RO, - }, - { - .first = 0x0D, - .last = 0x0F, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x1C, - .last = 0x1C, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x1E, - .last = 0x1E, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x20, - .last = 0x21, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x25, - .last = 0x25, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x28, - .last = 0x2A, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x30, - .last = 0x33, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x40, - .last = 0x43, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x50, - .last = 0x53, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x60, - .last = 0x63, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x70, - .last = 0x73, - .perm = AB5500_PERM_RW, - }, - }, - }, - [AB5500_BANK_VIBRA] = { - .bankid = AB5500_BANK_VIBRA, - .nranges = 2, - .range = (struct ab5500_reg_range[]) { - { - .first = 0x10, - .last = 0x13, - .perm = AB5500_PERM_RW, - }, - { - .first = 0xFE, - .last = 0xFE, - .perm = AB5500_PERM_RW, - }, - }, - }, - [AB5500_BANK_AUDIO_HEADSETUSB] = { - .bankid = AB5500_BANK_AUDIO_HEADSETUSB, - .nranges = 2, - .range = (struct ab5500_reg_range[]) { - { - .first = 0x00, - .last = 0x48, - .perm = AB5500_PERM_RW, - }, - { - .first = 0xEB, - .last = 0xFB, - .perm = AB5500_PERM_RW, - }, - }, - }, - [AB5500_BANK_SIM_USBSIM] = { - .bankid = AB5500_BANK_SIM_USBSIM, - .nranges = 1, - .range = (struct ab5500_reg_range[]) { - { - .first = 0x13, - .last = 0x19, - .perm = AB5500_PERM_RW, - }, - }, - }, - [AB5500_BANK_VDENC] = { - .bankid = AB5500_BANK_VDENC, - .nranges = 12, - .range = (struct ab5500_reg_range[]) { - { - .first = 0x00, - .last = 0x08, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x09, - .last = 0x09, - .perm = AB5500_PERM_RO, - }, - { - .first = 0x0A, - .last = 0x12, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x15, - .last = 0x19, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x1B, - .last = 0x21, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x27, - .last = 0x2C, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x41, - .last = 0x41, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x45, - .last = 0x5B, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x5D, - .last = 0x5D, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x69, - .last = 0x69, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x6C, - .last = 0x6D, - .perm = AB5500_PERM_RW, - }, - { - .first = 0x80, - .last = 0x81, - .perm = AB5500_PERM_RW, - }, - }, - }, -}; - -static int ab5500_registers_print(struct seq_file *s, void *p) -{ - struct ab5500 *ab = s->private; - unsigned int i; - u8 bank = (u8)ab->debug_bank; - - seq_printf(s, "ab5500 register values:\n"); - for (bank = 0; bank < AB5500_NUM_BANKS; bank++) { - seq_printf(s, " bank %u, %s (0x%x):\n", bank, - bankinfo[bank].name, - bankinfo[bank].slave_addr); - for (i = 0; i < ab5500_reg_ranges[bank].nranges; i++) { - u8 reg; - int err; - - for (reg = ab5500_reg_ranges[bank].range[i].first; - reg <= ab5500_reg_ranges[bank].range[i].last; - reg++) { - u8 value; - - err = ab5500_get_register_interruptible_raw(ab, - bank, reg, - &value); - if (err < 0) { - dev_err(ab->dev, "get_reg failed %d" - "bank 0x%x reg 0x%x\n", - err, bank, reg); - return err; - } - - err = seq_printf(s, "[%d/0x%02X]: 0x%02X\n", - bank, reg, value); - if (err < 0) { - dev_err(ab->dev, - "seq_printf overflow\n"); - /* - * Error is not returned here since - * the output is wanted in any case - */ - return 0; - } - } - } - } - return 0; -} - -static int ab5500_registers_open(struct inode *inode, struct file *file) -{ - return single_open(file, ab5500_registers_print, inode->i_private); -} - -static const struct file_operations ab5500_registers_fops = { - .open = ab5500_registers_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, - .owner = THIS_MODULE, -}; - -static int ab5500_bank_print(struct seq_file *s, void *p) -{ - struct ab5500 *ab = s->private; - - seq_printf(s, "%d\n", ab->debug_bank); - return 0; -} - -static int ab5500_bank_open(struct inode *inode, struct file *file) -{ - return single_open(file, ab5500_bank_print, inode->i_private); -} - -static ssize_t ab5500_bank_write(struct file *file, - const char __user *user_buf, - size_t count, loff_t *ppos) -{ - struct ab5500 *ab = ((struct seq_file *)(file->private_data))->private; - char buf[32]; - int buf_size; - unsigned long user_bank; - int err; - - /* Get userspace string and assure termination */ - buf_size = min(count, (sizeof(buf) - 1)); - if (copy_from_user(buf, user_buf, buf_size)) - return -EFAULT; - buf[buf_size] = 0; - - err = strict_strtoul(buf, 0, &user_bank); - if (err) - return -EINVAL; - - if (user_bank >= AB5500_NUM_BANKS) { - dev_err(ab->dev, - "debugfs error input > number of banks\n"); - return -EINVAL; - } - - ab->debug_bank = user_bank; - - return buf_size; -} - -static int ab5500_address_print(struct seq_file *s, void *p) -{ - struct ab5500 *ab = s->private; - - seq_printf(s, "0x%02X\n", ab->debug_address); - return 0; -} - -static int ab5500_address_open(struct inode *inode, struct file *file) -{ - return single_open(file, ab5500_address_print, inode->i_private); -} - -static ssize_t ab5500_address_write(struct file *file, - const char __user *user_buf, - size_t count, loff_t *ppos) -{ - struct ab5500 *ab = ((struct seq_file *)(file->private_data))->private; - char buf[32]; - int buf_size; - unsigned long user_address; - int err; - - /* Get userspace string and assure termination */ - buf_size = min(count, (sizeof(buf) - 1)); - if (copy_from_user(buf, user_buf, buf_size)) - return -EFAULT; - buf[buf_size] = 0; - - err = strict_strtoul(buf, 0, &user_address); - if (err) - return -EINVAL; - if (user_address > 0xff) { - dev_err(ab->dev, - "debugfs error input > 0xff\n"); - return -EINVAL; - } - ab->debug_address = user_address; - return buf_size; -} - -static int ab5500_val_print(struct seq_file *s, void *p) -{ - struct ab5500 *ab = s->private; - int err; - u8 regvalue; - - err = ab5500_get_register_interruptible_raw(ab, (u8)ab->debug_bank, - (u8)ab->debug_address, ®value); - if (err) { - dev_err(ab->dev, "get_reg failed %d, bank 0x%x" - ", reg 0x%x\n", err, ab->debug_bank, - ab->debug_address); - return -EINVAL; - } - seq_printf(s, "0x%02X\n", regvalue); - - return 0; -} - -static int ab5500_val_open(struct inode *inode, struct file *file) -{ - return single_open(file, ab5500_val_print, inode->i_private); -} - -static ssize_t ab5500_val_write(struct file *file, - const char __user *user_buf, - size_t count, loff_t *ppos) -{ - struct ab5500 *ab = ((struct seq_file *)(file->private_data))->private; - char buf[32]; - int buf_size; - unsigned long user_val; - int err; - u8 regvalue; - - /* Get userspace string and assure termination */ - buf_size = min(count, (sizeof(buf)-1)); - if (copy_from_user(buf, user_buf, buf_size)) - return -EFAULT; - buf[buf_size] = 0; - - err = strict_strtoul(buf, 0, &user_val); - if (err) - return -EINVAL; - if (user_val > 0xff) { - dev_err(ab->dev, - "debugfs error input > 0xff\n"); - return -EINVAL; - } - err = ab5500_mask_and_set_register_interruptible_raw( - ab, (u8)ab->debug_bank, - (u8)ab->debug_address, 0xFF, (u8)user_val); - if (err) - return -EINVAL; - - ab5500_get_register_interruptible_raw(ab, (u8)ab->debug_bank, - (u8)ab->debug_address, ®value); - if (err) - return -EINVAL; - - return buf_size; -} - -static const struct file_operations ab5500_bank_fops = { - .open = ab5500_bank_open, - .write = ab5500_bank_write, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, - .owner = THIS_MODULE, -}; - -static const struct file_operations ab5500_address_fops = { - .open = ab5500_address_open, - .write = ab5500_address_write, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, - .owner = THIS_MODULE, -}; - -static const struct file_operations ab5500_val_fops = { - .open = ab5500_val_open, - .write = ab5500_val_write, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, - .owner = THIS_MODULE, -}; - -static struct dentry *ab5500_dir; -static struct dentry *ab5500_reg_file; -static struct dentry *ab5500_bank_file; -static struct dentry *ab5500_address_file; -static struct dentry *ab5500_val_file; - -void __init ab5500_setup_debugfs(struct ab5500 *ab) -{ - ab->debug_bank = AB5500_BANK_VIT_IO_I2C_CLK_TST_OTP; - ab->debug_address = AB5500_CHIP_ID; - - ab5500_dir = debugfs_create_dir("ab5500", NULL); - if (!ab5500_dir) - goto exit_no_debugfs; - - ab5500_reg_file = debugfs_create_file("all-bank-registers", - S_IRUGO, ab5500_dir, ab, &ab5500_registers_fops); - if (!ab5500_reg_file) - goto exit_destroy_dir; - - ab5500_bank_file = debugfs_create_file("register-bank", - (S_IRUGO | S_IWUGO), ab5500_dir, ab, &ab5500_bank_fops); - if (!ab5500_bank_file) - goto exit_destroy_reg; - - ab5500_address_file = debugfs_create_file("register-address", - (S_IRUGO | S_IWUGO), ab5500_dir, ab, &ab5500_address_fops); - if (!ab5500_address_file) - goto exit_destroy_bank; - - ab5500_val_file = debugfs_create_file("register-value", - (S_IRUGO | S_IWUGO), ab5500_dir, ab, &ab5500_val_fops); - if (!ab5500_val_file) - goto exit_destroy_address; - - return; - -exit_destroy_address: - debugfs_remove(ab5500_address_file); -exit_destroy_bank: - debugfs_remove(ab5500_bank_file); -exit_destroy_reg: - debugfs_remove(ab5500_reg_file); -exit_destroy_dir: - debugfs_remove(ab5500_dir); -exit_no_debugfs: - dev_err(ab->dev, "failed to create debugfs entries.\n"); - return; -} - -void __exit ab5500_remove_debugfs(void) -{ - debugfs_remove(ab5500_val_file); - debugfs_remove(ab5500_address_file); - debugfs_remove(ab5500_bank_file); - debugfs_remove(ab5500_reg_file); - debugfs_remove(ab5500_dir); -} diff --git a/drivers/mfd/ab5500-debugfs.h b/drivers/mfd/ab5500-debugfs.h deleted file mode 100644 index 7330a9b6afa..00000000000 --- a/drivers/mfd/ab5500-debugfs.h +++ /dev/null @@ -1,22 +0,0 @@ -/* - * Copyright (C) 2011 ST-Ericsson - * License terms: GNU General Public License (GPL) version 2 - * Debugfs interface to the AB5500 core driver - */ - -#ifdef CONFIG_DEBUG_FS - -void ab5500_setup_debugfs(struct ab5500 *ab); -void ab5500_remove_debugfs(void); - -#else /* !CONFIG_DEBUG_FS */ - -static inline void ab5500_setup_debugfs(struct ab5500 *ab) -{ -} - -static inline void ab5500_remove_debugfs(void) -{ -} - -#endif diff --git a/drivers/mfd/db5500-prcmu.c b/drivers/mfd/db5500-prcmu.c deleted file mode 100644 index bb115b2f04e..00000000000 --- a/drivers/mfd/db5500-prcmu.c +++ /dev/null @@ -1,451 +0,0 @@ -/* - * Copyright (C) ST-Ericsson SA 2010 - * - * License Terms: GNU General Public License v2 - * Author: Mattias Nilsson <mattias.i.nilsson@stericsson.com> - * - * U5500 PRCM Unit interface driver - */ -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/delay.h> -#include <linux/errno.h> -#include <linux/err.h> -#include <linux/spinlock.h> -#include <linux/io.h> -#include <linux/slab.h> -#include <linux/mutex.h> -#include <linux/completion.h> -#include <linux/irq.h> -#include <linux/jiffies.h> -#include <linux/bitops.h> -#include <linux/interrupt.h> -#include <linux/mfd/dbx500-prcmu.h> -#include <mach/hardware.h> -#include <mach/irqs.h> -#include <mach/db5500-regs.h> -#include "dbx500-prcmu-regs.h" - -#define _PRCM_MB_HEADER (tcdm_base + 0xFE8) -#define PRCM_REQ_MB0_HEADER (_PRCM_MB_HEADER + 0x0) -#define PRCM_REQ_MB1_HEADER (_PRCM_MB_HEADER + 0x1) -#define PRCM_REQ_MB2_HEADER (_PRCM_MB_HEADER + 0x2) -#define PRCM_REQ_MB3_HEADER (_PRCM_MB_HEADER + 0x3) -#define PRCM_REQ_MB4_HEADER (_PRCM_MB_HEADER + 0x4) -#define PRCM_REQ_MB5_HEADER (_PRCM_MB_HEADER + 0x5) -#define PRCM_REQ_MB6_HEADER (_PRCM_MB_HEADER + 0x6) -#define PRCM_REQ_MB7_HEADER (_PRCM_MB_HEADER + 0x7) -#define PRCM_ACK_MB0_HEADER (_PRCM_MB_HEADER + 0x8) -#define PRCM_ACK_MB1_HEADER (_PRCM_MB_HEADER + 0x9) -#define PRCM_ACK_MB2_HEADER (_PRCM_MB_HEADER + 0xa) -#define PRCM_ACK_MB3_HEADER (_PRCM_MB_HEADER + 0xb) -#define PRCM_ACK_MB4_HEADER (_PRCM_MB_HEADER + 0xc) -#define PRCM_ACK_MB5_HEADER (_PRCM_MB_HEADER + 0xd) -#define PRCM_ACK_MB6_HEADER (_PRCM_MB_HEADER + 0xe) -#define PRCM_ACK_MB7_HEADER (_PRCM_MB_HEADER + 0xf) - -/* Req Mailboxes */ -#define PRCM_REQ_MB0 (tcdm_base + 0xFD8) -#define PRCM_REQ_MB1 (tcdm_base + 0xFCC) -#define PRCM_REQ_MB2 (tcdm_base + 0xFC4) -#define PRCM_REQ_MB3 (tcdm_base + 0xFC0) -#define PRCM_REQ_MB4 (tcdm_base + 0xF98) -#define PRCM_REQ_MB5 (tcdm_base + 0xF90) -#define PRCM_REQ_MB6 (tcdm_base + 0xF8C) -#define PRCM_REQ_MB7 (tcdm_base + 0xF84) - -/* Ack Mailboxes */ -#define PRCM_ACK_MB0 (tcdm_base + 0xF38) -#define PRCM_ACK_MB1 (tcdm_base + 0xF30) -#define PRCM_ACK_MB2 (tcdm_base + 0xF24) -#define PRCM_ACK_MB3 (tcdm_base + 0xF20) -#define PRCM_ACK_MB4 (tcdm_base + 0xF1C) -#define PRCM_ACK_MB5 (tcdm_base + 0xF14) -#define PRCM_ACK_MB6 (tcdm_base + 0xF0C) -#define PRCM_ACK_MB7 (tcdm_base + 0xF08) - -enum mb_return_code { - RC_SUCCESS, - RC_FAIL, -}; - -/* Mailbox 0 headers. */ -enum mb0_header { - /* request */ - RMB0H_PWR_STATE_TRANS = 1, - RMB0H_WAKE_UP_CFG, - RMB0H_RD_WAKE_UP_ACK, - /* acknowledge */ - AMB0H_WAKE_UP = 1, -}; - -/* Mailbox 5 headers. */ -enum mb5_header { - MB5H_I2C_WRITE = 1, - MB5H_I2C_READ, -}; - -/* Request mailbox 5 fields. */ -#define PRCM_REQ_MB5_I2C_SLAVE (PRCM_REQ_MB5 + 0) -#define PRCM_REQ_MB5_I2C_REG (PRCM_REQ_MB5 + 1) -#define PRCM_REQ_MB5_I2C_SIZE (PRCM_REQ_MB5 + 2) -#define PRCM_REQ_MB5_I2C_DATA (PRCM_REQ_MB5 + 4) - -/* Acknowledge mailbox 5 fields. */ -#define PRCM_ACK_MB5_RETURN_CODE (PRCM_ACK_MB5 + 0) -#define PRCM_ACK_MB5_I2C_DATA (PRCM_ACK_MB5 + 4) - -#define NUM_MB 8 -#define MBOX_BIT BIT -#define ALL_MBOX_BITS (MBOX_BIT(NUM_MB) - 1) - -/* -* Used by MCDE to setup all necessary PRCMU registers -*/ -#define PRCMU_RESET_DSIPLL 0x00004000 -#define PRCMU_UNCLAMP_DSIPLL 0x00400800 - -/* HDMI CLK MGT PLLSW=001 (PLLSOC0), PLLDIV=0x8, = 50 Mhz*/ -#define PRCMU_DSI_CLOCK_SETTING 0x00000128 -/* TVCLK_MGT PLLSW=001 (PLLSOC0) PLLDIV=0x13, = 19.05 MHZ */ -#define PRCMU_DSI_LP_CLOCK_SETTING 0x00000135 -#define PRCMU_PLLDSI_FREQ_SETTING 0x00020121 -#define PRCMU_DSI_PLLOUT_SEL_SETTING 0x00000002 -#define PRCMU_ENABLE_ESCAPE_CLOCK_DIV 0x03000201 -#define PRCMU_DISABLE_ESCAPE_CLOCK_DIV 0x00000101 - -#define PRCMU_ENABLE_PLLDSI 0x00000001 -#define PRCMU_DISABLE_PLLDSI 0x00000000 - -#define PRCMU_DSI_RESET_SW 0x00000003 -#define PRCMU_RESOUTN0_PIN 0x00000001 -#define PRCMU_RESOUTN1_PIN 0x00000002 -#define PRCMU_RESOUTN2_PIN 0x00000004 - -#define PRCMU_PLLDSI_LOCKP_LOCKED 0x3 - -/* - * mb0_transfer - state needed for mailbox 0 communication. - * @lock: The transaction lock. - */ -static struct { - spinlock_t lock; -} mb0_transfer; - -/* - * mb5_transfer - state needed for mailbox 5 communication. - * @lock: The transaction lock. - * @work: The transaction completion structure. - * @ack: Reply ("acknowledge") data. - */ -static struct { - struct mutex lock; - struct completion work; - struct { - u8 header; - u8 status; - u8 value[4]; - } ack; -} mb5_transfer; - -/* PRCMU TCDM base IO address. */ -static __iomem void *tcdm_base; - -/** - * db5500_prcmu_abb_read() - Read register value(s) from the ABB. - * @slave: The I2C slave address. - * @reg: The (start) register address. - * @value: The read out value(s). - * @size: The number of registers to read. - * - * Reads register value(s) from the ABB. - * @size has to be <= 4. - */ -int db5500_prcmu_abb_read(u8 slave, u8 reg, u8 *value, u8 size) -{ - int r; - - if ((size < 1) || (4 < size)) - return -EINVAL; - - mutex_lock(&mb5_transfer.lock); - - while (readl(PRCM_MBOX_CPU_VAL) & MBOX_BIT(5)) - cpu_relax(); - writeb(slave, PRCM_REQ_MB5_I2C_SLAVE); - writeb(reg, PRCM_REQ_MB5_I2C_REG); - writeb(size, PRCM_REQ_MB5_I2C_SIZE); - writeb(MB5H_I2C_READ, PRCM_REQ_MB5_HEADER); - - writel(MBOX_BIT(5), PRCM_MBOX_CPU_SET); - wait_for_completion(&mb5_transfer.work); - - r = 0; - if ((mb5_transfer.ack.header == MB5H_I2C_READ) && - (mb5_transfer.ack.status == RC_SUCCESS)) - memcpy(value, mb5_transfer.ack.value, (size_t)size); - else - r = -EIO; - - mutex_unlock(&mb5_transfer.lock); - - return r; -} - -/** - * db5500_prcmu_abb_write() - Write register value(s) to the ABB. - * @slave: The I2C slave address. - * @reg: The (start) register address. - * @value: The value(s) to write. - * @size: The number of registers to write. - * - * Writes register value(s) to the ABB. - * @size has to be <= 4. - */ -int db5500_prcmu_abb_write(u8 slave, u8 reg, u8 *value, u8 size) -{ - int r; - - if ((size < 1) || (4 < size)) - return -EINVAL; - - mutex_lock(&mb5_transfer.lock); - - while (readl(PRCM_MBOX_CPU_VAL) & MBOX_BIT(5)) - cpu_relax(); - writeb(slave, PRCM_REQ_MB5_I2C_SLAVE); - writeb(reg, PRCM_REQ_MB5_I2C_REG); - writeb(size, PRCM_REQ_MB5_I2C_SIZE); - memcpy_toio(PRCM_REQ_MB5_I2C_DATA, value, size); - writeb(MB5H_I2C_WRITE, PRCM_REQ_MB5_HEADER); - - writel(MBOX_BIT(5), PRCM_MBOX_CPU_SET); - wait_for_completion(&mb5_transfer.work); - - if ((mb5_transfer.ack.header == MB5H_I2C_WRITE) && - (mb5_transfer.ack.status == RC_SUCCESS)) - r = 0; - else - r = -EIO; - - mutex_unlock(&mb5_transfer.lock); - - return r; -} - -int db5500_prcmu_enable_dsipll(void) -{ - int i; - - /* Enable DSIPLL_RESETN resets */ - writel(PRCMU_RESET_DSIPLL, PRCM_APE_RESETN_CLR); - /* Unclamp DSIPLL in/out */ - writel(PRCMU_UNCLAMP_DSIPLL, PRCM_MMIP_LS_CLAMP_CLR); - /* Set DSI PLL FREQ */ - writel(PRCMU_PLLDSI_FREQ_SETTING, PRCM_PLLDSI_FREQ); - writel(PRCMU_DSI_PLLOUT_SEL_SETTING, - PRCM_DSI_PLLOUT_SEL); - /* Enable Escape clocks */ - writel(PRCMU_ENABLE_ESCAPE_CLOCK_DIV, PRCM_DSITVCLK_DIV); - - /* Start DSI PLL */ - writel(PRCMU_ENABLE_PLLDSI, PRCM_PLLDSI_ENABLE); - /* Reset DSI PLL */ - writel(PRCMU_DSI_RESET_SW, PRCM_DSI_SW_RESET); - for (i = 0; i < 10; i++) { - if ((readl(PRCM_PLLDSI_LOCKP) & - PRCMU_PLLDSI_LOCKP_LOCKED) == PRCMU_PLLDSI_LOCKP_LOCKED) - break; - udelay(100); - } - /* Release DSIPLL_RESETN */ - writel(PRCMU_RESET_DSIPLL, PRCM_APE_RESETN_SET); - return 0; -} - -int db5500_prcmu_disable_dsipll(void) -{ - /* Disable dsi pll */ - writel(PRCMU_DISABLE_PLLDSI, PRCM_PLLDSI_ENABLE); - /* Disable escapeclock */ - writel(PRCMU_DISABLE_ESCAPE_CLOCK_DIV, PRCM_DSITVCLK_DIV); - return 0; -} - -int db5500_prcmu_set_display_clocks(void) -{ - /* HDMI and TVCLK Should be handled somewhere else */ - /* PLLDIV=8, PLLSW=2, CLKEN=1 */ - writel(PRCMU_DSI_CLOCK_SETTING, PRCM_HDMICLK_MGT); - /* PLLDIV=14, PLLSW=2, CLKEN=1 */ - writel(PRCMU_DSI_LP_CLOCK_SETTING, PRCM_TVCLK_MGT); - return 0; -} - -static void ack_dbb_wakeup(void) -{ - unsigned long flags; - - spin_lock_irqsave(&mb0_transfer.lock, flags); - - while (readl(PRCM_MBOX_CPU_VAL) & MBOX_BIT(0)) - cpu_relax(); - - writeb(RMB0H_RD_WAKE_UP_ACK, PRCM_REQ_MB0_HEADER); - writel(MBOX_BIT(0), PRCM_MBOX_CPU_SET); - - spin_unlock_irqrestore(&mb0_transfer.lock, flags); -} - -static inline void print_unknown_header_warning(u8 n, u8 header) -{ - pr_warning("prcmu: Unknown message header (%d) in mailbox %d.\n", - header, n); -} - -static bool read_mailbox_0(void) -{ - bool r; - u8 header; - - header = readb(PRCM_ACK_MB0_HEADER); - switch (header) { - case AMB0H_WAKE_UP: - r = true; - break; - default: - print_unknown_header_warning(0, header); - r = false; - break; - } - writel(MBOX_BIT(0), PRCM_ARM_IT1_CLR); - return r; -} - -static bool read_mailbox_1(void) -{ - writel(MBOX_BIT(1), PRCM_ARM_IT1_CLR); - return false; -} - -static bool read_mailbox_2(void) -{ - writel(MBOX_BIT(2), PRCM_ARM_IT1_CLR); - return false; -} - -static bool read_mailbox_3(void) -{ - writel(MBOX_BIT(3), PRCM_ARM_IT1_CLR); - return false; -} - -static bool read_mailbox_4(void) -{ - writel(MBOX_BIT(4), PRCM_ARM_IT1_CLR); - return false; -} - -static bool read_mailbox_5(void) -{ - u8 header; - - header = readb(PRCM_ACK_MB5_HEADER); - switch (header) { - case MB5H_I2C_READ: - memcpy_fromio(mb5_transfer.ack.value, PRCM_ACK_MB5_I2C_DATA, 4); - case MB5H_I2C_WRITE: - mb5_transfer.ack.header = header; - mb5_transfer.ack.status = readb(PRCM_ACK_MB5_RETURN_CODE); - complete(&mb5_transfer.work); - break; - default: - print_unknown_header_warning(5, header); - break; - } - writel(MBOX_BIT(5), PRCM_ARM_IT1_CLR); - return false; -} - -static bool read_mailbox_6(void) -{ - writel(MBOX_BIT(6), PRCM_ARM_IT1_CLR); - return false; -} - -static bool read_mailbox_7(void) -{ - writel(MBOX_BIT(7), PRCM_ARM_IT1_CLR); - return false; -} - -static bool (* const read_mailbox[NUM_MB])(void) = { - read_mailbox_0, - read_mailbox_1, - read_mailbox_2, - read_mailbox_3, - read_mailbox_4, - read_mailbox_5, - read_mailbox_6, - read_mailbox_7 -}; - -static irqreturn_t prcmu_irq_handler(int irq, void *data) -{ - u32 bits; - u8 n; - irqreturn_t r; - - bits = (readl(PRCM_ARM_IT1_VAL) & ALL_MBOX_BITS); - if (unlikely(!bits)) - return IRQ_NONE; - - r = IRQ_HANDLED; - for (n = 0; bits; n++) { - if (bits & MBOX_BIT(n)) { - bits -= MBOX_BIT(n); - if (read_mailbox[n]()) - r = IRQ_WAKE_THREAD; - } - } - return r; -} - -static irqreturn_t prcmu_irq_thread_fn(int irq, void *data) -{ - ack_dbb_wakeup(); - return IRQ_HANDLED; -} - -void __init db5500_prcmu_early_init(void) -{ - tcdm_base = __io_address(U5500_PRCMU_TCDM_BASE); - spin_lock_init(&mb0_transfer.lock); - mutex_init(&mb5_transfer.lock); - init_completion(&mb5_transfer.work); -} - -/** - * prcmu_fw_init - arch init call for the Linux PRCMU fw init logic - * - */ -int __init db5500_prcmu_init(void) -{ - int r = 0; - - if (ux500_is_svp() || !cpu_is_u5500()) - return -ENODEV; - - /* Clean up the mailbox interrupts after pre-kernel code. */ - writel(ALL_MBOX_BITS, PRCM_ARM_IT1_CLR); - - r = request_threaded_irq(IRQ_DB5500_PRCMU1, prcmu_irq_handler, - prcmu_irq_thread_fn, 0, "prcmu", NULL); - if (r < 0) { - pr_err("prcmu: Failed to allocate IRQ_DB5500_PRCMU1.\n"); - return -EBUSY; - } - return 0; -} - -arch_initcall(db5500_prcmu_init); |