345 lines
11 KiB
C
345 lines
11 KiB
C
/*
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* Copyright (C) ST-Ericsson SA 2010
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*
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* License Terms: GNU General Public License v2
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* Author: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
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*/
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#ifndef MFD_AB8500_H
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#define MFD_AB8500_H
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#include <linux/atomic.h>
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#include <linux/mutex.h>
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#include <linux/irqdomain.h>
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struct device;
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/*
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* AB IC versions
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*
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* AB8500_VERSION_AB8500 should be 0xFF but will never be read as need a
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* non-supported multi-byte I2C access via PRCMU. Set to 0x00 to ease the
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* print of version string.
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*/
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enum ab8500_version {
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AB8500_VERSION_AB8500 = 0x0,
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AB8500_VERSION_AB8505 = 0x1,
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AB8500_VERSION_AB9540 = 0x2,
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AB8500_VERSION_AB8540 = 0x3,
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AB8500_VERSION_UNDEFINED,
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};
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/* AB8500 CIDs*/
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#define AB8500_CUTEARLY 0x00
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#define AB8500_CUT1P0 0x10
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#define AB8500_CUT1P1 0x11
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#define AB8500_CUT2P0 0x20
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#define AB8500_CUT3P0 0x30
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#define AB8500_CUT3P3 0x33
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/*
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* AB8500 bank addresses
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*/
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#define AB8500_SYS_CTRL1_BLOCK 0x1
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#define AB8500_SYS_CTRL2_BLOCK 0x2
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#define AB8500_REGU_CTRL1 0x3
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#define AB8500_REGU_CTRL2 0x4
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#define AB8500_USB 0x5
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#define AB8500_TVOUT 0x6
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#define AB8500_DBI 0x7
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#define AB8500_ECI_AV_ACC 0x8
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#define AB8500_RESERVED 0x9
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#define AB8500_GPADC 0xA
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#define AB8500_CHARGER 0xB
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#define AB8500_GAS_GAUGE 0xC
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#define AB8500_AUDIO 0xD
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#define AB8500_INTERRUPT 0xE
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#define AB8500_RTC 0xF
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#define AB8500_MISC 0x10
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#define AB8500_DEVELOPMENT 0x11
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#define AB8500_DEBUG 0x12
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#define AB8500_PROD_TEST 0x13
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#define AB8500_OTP_EMUL 0x15
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/*
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* Interrupts
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* Values used to index into array ab8500_irq_regoffset[] defined in
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* drivers/mdf/ab8500-core.c
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*/
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/* Definitions for AB8500 and AB9540 */
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/* ab8500_irq_regoffset[0] -> IT[Source|Latch|Mask]1 */
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#define AB8500_INT_MAIN_EXT_CH_NOT_OK 0 /* not 8505/9540 */
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#define AB8500_INT_UN_PLUG_TV_DET 1 /* not 8505/9540 */
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#define AB8500_INT_PLUG_TV_DET 2 /* not 8505/9540 */
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#define AB8500_INT_TEMP_WARM 3
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#define AB8500_INT_PON_KEY2DB_F 4
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#define AB8500_INT_PON_KEY2DB_R 5
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#define AB8500_INT_PON_KEY1DB_F 6
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#define AB8500_INT_PON_KEY1DB_R 7
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/* ab8500_irq_regoffset[1] -> IT[Source|Latch|Mask]2 */
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#define AB8500_INT_BATT_OVV 8
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#define AB8500_INT_MAIN_CH_UNPLUG_DET 10 /* not 8505 */
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#define AB8500_INT_MAIN_CH_PLUG_DET 11 /* not 8505 */
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#define AB8500_INT_VBUS_DET_F 14
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#define AB8500_INT_VBUS_DET_R 15
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/* ab8500_irq_regoffset[2] -> IT[Source|Latch|Mask]3 */
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#define AB8500_INT_VBUS_CH_DROP_END 16
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#define AB8500_INT_RTC_60S 17
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#define AB8500_INT_RTC_ALARM 18
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#define AB8500_INT_BAT_CTRL_INDB 20
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#define AB8500_INT_CH_WD_EXP 21
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#define AB8500_INT_VBUS_OVV 22
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#define AB8500_INT_MAIN_CH_DROP_END 23 /* not 8505/9540 */
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/* ab8500_irq_regoffset[3] -> IT[Source|Latch|Mask]4 */
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#define AB8500_INT_CCN_CONV_ACC 24
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#define AB8500_INT_INT_AUD 25
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#define AB8500_INT_CCEOC 26
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#define AB8500_INT_CC_INT_CALIB 27
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#define AB8500_INT_LOW_BAT_F 28
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#define AB8500_INT_LOW_BAT_R 29
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#define AB8500_INT_BUP_CHG_NOT_OK 30
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#define AB8500_INT_BUP_CHG_OK 31
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/* ab8500_irq_regoffset[4] -> IT[Source|Latch|Mask]5 */
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#define AB8500_INT_GP_HW_ADC_CONV_END 32 /* not 8505 */
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#define AB8500_INT_ACC_DETECT_1DB_F 33
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#define AB8500_INT_ACC_DETECT_1DB_R 34
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#define AB8500_INT_ACC_DETECT_22DB_F 35
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#define AB8500_INT_ACC_DETECT_22DB_R 36
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#define AB8500_INT_ACC_DETECT_21DB_F 37
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#define AB8500_INT_ACC_DETECT_21DB_R 38
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#define AB8500_INT_GP_SW_ADC_CONV_END 39
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/* ab8500_irq_regoffset[5] -> IT[Source|Latch|Mask]7 */
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#define AB8500_INT_GPIO6R 40 /* not 8505/9540 */
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#define AB8500_INT_GPIO7R 41 /* not 8505/9540 */
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#define AB8500_INT_GPIO8R 42 /* not 8505/9540 */
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#define AB8500_INT_GPIO9R 43 /* not 8505/9540 */
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#define AB8500_INT_GPIO10R 44
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#define AB8500_INT_GPIO11R 45
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#define AB8500_INT_GPIO12R 46 /* not 8505 */
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#define AB8500_INT_GPIO13R 47
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/* ab8500_irq_regoffset[6] -> IT[Source|Latch|Mask]8 */
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#define AB8500_INT_GPIO24R 48 /* not 8505 */
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#define AB8500_INT_GPIO25R 49 /* not 8505 */
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#define AB8500_INT_GPIO36R 50 /* not 8505/9540 */
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#define AB8500_INT_GPIO37R 51 /* not 8505/9540 */
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#define AB8500_INT_GPIO38R 52 /* not 8505/9540 */
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#define AB8500_INT_GPIO39R 53 /* not 8505/9540 */
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#define AB8500_INT_GPIO40R 54
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#define AB8500_INT_GPIO41R 55
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/* ab8500_irq_regoffset[7] -> IT[Source|Latch|Mask]9 */
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#define AB8500_INT_GPIO6F 56 /* not 8505/9540 */
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#define AB8500_INT_GPIO7F 57 /* not 8505/9540 */
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#define AB8500_INT_GPIO8F 58 /* not 8505/9540 */
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#define AB8500_INT_GPIO9F 59 /* not 8505/9540 */
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#define AB8500_INT_GPIO10F 60
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#define AB8500_INT_GPIO11F 61
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#define AB8500_INT_GPIO12F 62 /* not 8505 */
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#define AB8500_INT_GPIO13F 63
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/* ab8500_irq_regoffset[8] -> IT[Source|Latch|Mask]10 */
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#define AB8500_INT_GPIO24F 64 /* not 8505 */
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#define AB8500_INT_GPIO25F 65 /* not 8505 */
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#define AB8500_INT_GPIO36F 66 /* not 8505/9540 */
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#define AB8500_INT_GPIO37F 67 /* not 8505/9540 */
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#define AB8500_INT_GPIO38F 68 /* not 8505/9540 */
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#define AB8500_INT_GPIO39F 69 /* not 8505/9540 */
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#define AB8500_INT_GPIO40F 70
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#define AB8500_INT_GPIO41F 71
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/* ab8500_irq_regoffset[9] -> IT[Source|Latch|Mask]12 */
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#define AB8500_INT_ADP_SOURCE_ERROR 72
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#define AB8500_INT_ADP_SINK_ERROR 73
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#define AB8500_INT_ADP_PROBE_PLUG 74
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#define AB8500_INT_ADP_PROBE_UNPLUG 75
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#define AB8500_INT_ADP_SENSE_OFF 76
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#define AB8500_INT_USB_PHY_POWER_ERR 78
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#define AB8500_INT_USB_LINK_STATUS 79
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/* ab8500_irq_regoffset[10] -> IT[Source|Latch|Mask]19 */
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#define AB8500_INT_BTEMP_LOW 80
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#define AB8500_INT_BTEMP_LOW_MEDIUM 81
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#define AB8500_INT_BTEMP_MEDIUM_HIGH 82
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#define AB8500_INT_BTEMP_HIGH 83
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/* ab8500_irq_regoffset[11] -> IT[Source|Latch|Mask]20 */
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#define AB8500_INT_SRP_DETECT 88
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#define AB8500_INT_USB_CHARGER_NOT_OKR 89
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#define AB8500_INT_ID_WAKEUP_R 90
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#define AB8500_INT_ID_DET_R1R 92
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#define AB8500_INT_ID_DET_R2R 93
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#define AB8500_INT_ID_DET_R3R 94
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#define AB8500_INT_ID_DET_R4R 95
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/* ab8500_irq_regoffset[12] -> IT[Source|Latch|Mask]21 */
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#define AB8500_INT_ID_WAKEUP_F 96
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#define AB8500_INT_ID_DET_R1F 98
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#define AB8500_INT_ID_DET_R2F 99
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#define AB8500_INT_ID_DET_R3F 100
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#define AB8500_INT_ID_DET_R4F 101
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#define AB8500_INT_CHAUTORESTARTAFTSEC 102
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#define AB8500_INT_CHSTOPBYSEC 103
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/* ab8500_irq_regoffset[13] -> IT[Source|Latch|Mask]22 */
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#define AB8500_INT_USB_CH_TH_PROT_F 104
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#define AB8500_INT_USB_CH_TH_PROT_R 105
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#define AB8500_INT_MAIN_CH_TH_PROT_F 106 /* not 8505/9540 */
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#define AB8500_INT_MAIN_CH_TH_PROT_R 107 /* not 8505/9540 */
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#define AB8500_INT_CHCURLIMNOHSCHIRP 109
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#define AB8500_INT_CHCURLIMHSCHIRP 110
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#define AB8500_INT_XTAL32K_KO 111
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/* Definitions for AB9540 */
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/* ab8500_irq_regoffset[14] -> IT[Source|Latch|Mask]13 */
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#define AB9540_INT_GPIO50R 113
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#define AB9540_INT_GPIO51R 114 /* not 8505 */
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#define AB9540_INT_GPIO52R 115
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#define AB9540_INT_GPIO53R 116
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#define AB9540_INT_GPIO54R 117 /* not 8505 */
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#define AB9540_INT_IEXT_CH_RF_BFN_R 118
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#define AB9540_INT_IEXT_CH_RF_BFN_F 119
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/* ab8500_irq_regoffset[15] -> IT[Source|Latch|Mask]14 */
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#define AB9540_INT_GPIO50F 121
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#define AB9540_INT_GPIO51F 122 /* not 8505 */
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#define AB9540_INT_GPIO52F 123
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#define AB9540_INT_GPIO53F 124
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#define AB9540_INT_GPIO54F 125 /* not 8505 */
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/* ab8500_irq_regoffset[16] -> IT[Source|Latch|Mask]25 */
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#define AB8505_INT_KEYSTUCK 128
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#define AB8505_INT_IKR 129
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#define AB8505_INT_IKP 130
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#define AB8505_INT_KP 131
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#define AB8505_INT_KEYDEGLITCH 132
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#define AB8505_INT_MODPWRSTATUSF 134
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#define AB8505_INT_MODPWRSTATUSR 135
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/*
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* AB8500_AB9540_NR_IRQS is used when configuring the IRQ numbers for the
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* entire platform. This is a "compile time" constant so this must be set to
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* the largest possible value that may be encountered with different AB SOCs.
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* Of the currently supported AB devices, AB8500 and AB9540, it is the AB9540
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* which is larger.
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*/
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#define AB8500_NR_IRQS 112
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#define AB8505_NR_IRQS 136
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#define AB9540_NR_IRQS 136
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/* This is set to the roof of any AB8500 chip variant IRQ counts */
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#define AB8500_MAX_NR_IRQS AB9540_NR_IRQS
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#define AB8500_NUM_IRQ_REGS 14
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#define AB9540_NUM_IRQ_REGS 17
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/**
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* struct ab8500 - ab8500 internal structure
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* @dev: parent device
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* @lock: read/write operations lock
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* @irq_lock: genirq bus lock
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* @transfer_ongoing: 0 if no transfer ongoing
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* @irq: irq line
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* @irq_domain: irq domain
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* @version: chip version id (e.g. ab8500 or ab9540)
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* @chip_id: chip revision id
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* @write: register write
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* @write_masked: masked register write
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* @read: register read
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* @rx_buf: rx buf for SPI
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* @tx_buf: tx buf for SPI
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* @mask: cache of IRQ regs for bus lock
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* @oldmask: cache of previous IRQ regs for bus lock
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* @mask_size: Actual number of valid entries in mask[], oldmask[] and
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* irq_reg_offset
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* @irq_reg_offset: Array of offsets into IRQ registers
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*/
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struct ab8500 {
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struct device *dev;
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struct mutex lock;
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struct mutex irq_lock;
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atomic_t transfer_ongoing;
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int irq_base;
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int irq;
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struct irq_domain *domain;
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enum ab8500_version version;
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u8 chip_id;
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int (*write)(struct ab8500 *ab8500, u16 addr, u8 data);
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int (*write_masked)(struct ab8500 *ab8500, u16 addr, u8 mask, u8 data);
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int (*read)(struct ab8500 *ab8500, u16 addr);
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unsigned long tx_buf[4];
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unsigned long rx_buf[4];
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u8 *mask;
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u8 *oldmask;
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int mask_size;
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const int *irq_reg_offset;
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};
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struct regulator_reg_init;
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struct regulator_init_data;
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struct ab8500_gpio_platform_data;
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struct ab8500_codec_platform_data;
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/**
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* struct ab8500_platform_data - AB8500 platform data
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* @irq_base: start of AB8500 IRQs, AB8500_NR_IRQS will be used
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* @init: board-specific initialization after detection of ab8500
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* @num_regulator_reg_init: number of regulator init registers
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* @regulator_reg_init: regulator init registers
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* @num_regulator: number of regulators
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* @regulator: machine-specific constraints for regulators
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*/
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struct ab8500_platform_data {
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int irq_base;
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void (*init) (struct ab8500 *);
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int num_regulator_reg_init;
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struct ab8500_regulator_reg_init *regulator_reg_init;
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int num_regulator;
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struct regulator_init_data *regulator;
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struct ab8500_gpio_platform_data *gpio;
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struct ab8500_codec_platform_data *codec;
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};
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extern int __devinit ab8500_init(struct ab8500 *ab8500,
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enum ab8500_version version);
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extern int __devexit ab8500_exit(struct ab8500 *ab8500);
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extern int ab8500_suspend(struct ab8500 *ab8500);
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static inline int is_ab8500(struct ab8500 *ab)
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{
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return ab->version == AB8500_VERSION_AB8500;
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}
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static inline int is_ab8505(struct ab8500 *ab)
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{
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return ab->version == AB8500_VERSION_AB8505;
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}
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static inline int is_ab9540(struct ab8500 *ab)
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{
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return ab->version == AB8500_VERSION_AB9540;
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}
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static inline int is_ab8540(struct ab8500 *ab)
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{
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return ab->version == AB8500_VERSION_AB8540;
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}
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/* exclude also ab8505, ab9540... */
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static inline int is_ab8500_1p0_or_earlier(struct ab8500 *ab)
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{
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return (is_ab8500(ab) && (ab->chip_id <= AB8500_CUT1P0));
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}
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/* exclude also ab8505, ab9540... */
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static inline int is_ab8500_1p1_or_earlier(struct ab8500 *ab)
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{
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return (is_ab8500(ab) && (ab->chip_id <= AB8500_CUT1P1));
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}
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/* exclude also ab8505, ab9540... */
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static inline int is_ab8500_2p0_or_earlier(struct ab8500 *ab)
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{
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return (is_ab8500(ab) && (ab->chip_id <= AB8500_CUT2P0));
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}
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/* exclude also ab8505, ab9540... */
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static inline int is_ab8500_2p0(struct ab8500 *ab)
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{
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return (is_ab8500(ab) && (ab->chip_id == AB8500_CUT2P0));
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}
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#endif /* MFD_AB8500_H */
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