diff options
Diffstat (limited to 'drivers/mfd/ab5500-core.c')
| -rw-r--r-- | drivers/mfd/ab5500-core.c | 1439 |
1 files changed, 0 insertions, 1439 deletions
diff --git a/drivers/mfd/ab5500-core.c b/drivers/mfd/ab5500-core.c deleted file mode 100644 index 54d0fe40845f..000000000000 --- 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"); |