268 lines
7.4 KiB
C
268 lines
7.4 KiB
C
/* Copyright (c) 2011-2013, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef __MFD_TABLA_CORE_H__
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#define __MFD_TABLA_CORE_H__
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#include <linux/types.h>
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#include <linux/interrupt.h>
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#include <linux/pm_qos.h>
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#include <linux/platform_device.h>
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#include <linux/of_irq.h>
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#define WCD9XXX_NUM_IRQ_REGS 4
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#define WCD9XXX_SLIM_NUM_PORT_REG 3
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#define TABLA_VERSION_1_0 0
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#define TABLA_VERSION_1_1 1
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#define TABLA_VERSION_2_0 2
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#define TABLA_IS_1_X(ver) \
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(((ver == TABLA_VERSION_1_0) || (ver == TABLA_VERSION_1_1)) ? 1 : 0)
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#define TABLA_IS_2_0(ver) ((ver == TABLA_VERSION_2_0) ? 1 : 0)
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#define WCD9XXX_SUPPLY_BUCK_NAME "cdc-vdd-buck"
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#define SITAR_VERSION_1P0 0
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#define SITAR_VERSION_1P1 1
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#define SITAR_IS_1P0(ver) \
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((ver == SITAR_VERSION_1P0) ? 1 : 0)
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#define SITAR_IS_1P1(ver) \
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((ver == SITAR_VERSION_1P1) ? 1 : 0)
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#define TAIKO_VERSION_1_0 1
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#define TAIKO_IS_1_0(ver) \
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((ver == TAIKO_VERSION_1_0) ? 1 : 0)
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#define TAPAN_VERSION_1_0 0
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#define TAPAN_IS_1_0(ver) \
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((ver == TAPAN_VERSION_1_0) ? 1 : 0)
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enum wcd9xxx_slim_slave_addr_type {
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WCD9XXX_SLIM_SLAVE_ADDR_TYPE_TABLA,
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WCD9XXX_SLIM_SLAVE_ADDR_TYPE_TAIKO,
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};
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enum {
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/* INTR_REG 0 */
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WCD9XXX_IRQ_SLIMBUS = 0,
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WCD9XXX_IRQ_MBHC_REMOVAL,
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WCD9XXX_IRQ_MBHC_SHORT_TERM,
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WCD9XXX_IRQ_MBHC_PRESS,
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WCD9XXX_IRQ_MBHC_RELEASE,
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WCD9XXX_IRQ_MBHC_POTENTIAL,
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WCD9XXX_IRQ_MBHC_INSERTION,
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WCD9XXX_IRQ_BG_PRECHARGE,
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/* INTR_REG 1 */
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WCD9XXX_IRQ_PA1_STARTUP,
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WCD9XXX_IRQ_PA2_STARTUP,
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WCD9XXX_IRQ_PA3_STARTUP,
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WCD9XXX_IRQ_PA4_STARTUP,
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WCD9XXX_IRQ_PA5_STARTUP,
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WCD9XXX_IRQ_MICBIAS1_PRECHARGE,
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WCD9XXX_IRQ_MICBIAS2_PRECHARGE,
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WCD9XXX_IRQ_MICBIAS3_PRECHARGE,
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/* INTR_REG 2 */
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WCD9XXX_IRQ_HPH_PA_OCPL_FAULT,
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WCD9XXX_IRQ_HPH_PA_OCPR_FAULT,
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WCD9XXX_IRQ_EAR_PA_OCPL_FAULT,
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WCD9XXX_IRQ_HPH_L_PA_STARTUP,
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WCD9XXX_IRQ_HPH_R_PA_STARTUP,
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WCD9320_IRQ_EAR_PA_STARTUP,
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WCD9306_IRQ_MBHC_JACK_SWITCH = WCD9320_IRQ_EAR_PA_STARTUP,
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WCD9310_NUM_IRQS,
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WCD9XXX_IRQ_RESERVED_0 = WCD9310_NUM_IRQS,
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WCD9XXX_IRQ_RESERVED_1,
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/* INTR_REG 3 */
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WCD9XXX_IRQ_MAD_AUDIO,
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WCD9XXX_IRQ_MAD_BEACON,
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WCD9XXX_IRQ_MAD_ULTRASOUND,
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WCD9XXX_IRQ_SPEAKER_CLIPPING,
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WCD9320_IRQ_MBHC_JACK_SWITCH,
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WCD9XXX_IRQ_VBAT_MONITOR_ATTACK,
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WCD9XXX_IRQ_VBAT_MONITOR_RELEASE,
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WCD9XXX_NUM_IRQS,
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};
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enum {
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TABLA_NUM_IRQS = WCD9310_NUM_IRQS,
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SITAR_NUM_IRQS = WCD9310_NUM_IRQS,
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TAIKO_NUM_IRQS = WCD9XXX_NUM_IRQS,
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TAPAN_NUM_IRQS = WCD9XXX_NUM_IRQS,
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};
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#define MAX(X, Y) (((int)X) >= ((int)Y) ? (X) : (Y))
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#define WCD9XXX_MAX_NUM_IRQS (MAX(MAX(TABLA_NUM_IRQS, SITAR_NUM_IRQS), \
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TAIKO_NUM_IRQS))
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enum wcd9xxx_pm_state {
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WCD9XXX_PM_SLEEPABLE,
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WCD9XXX_PM_AWAKE,
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WCD9XXX_PM_ASLEEP,
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};
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/*
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* data structure for Slimbus and I2S channel.
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* Some of fields are only used in smilbus mode
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*/
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struct wcd9xxx_ch {
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u32 sph; /* share channel handle - slimbus only */
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u32 ch_num; /*
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* vitrual channel number, such as 128 -144.
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* apply for slimbus only
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*/
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u16 ch_h; /* chanel handle - slimbus only */
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u16 port; /*
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* tabla port for RX and TX
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* such as 0-9 for TX and 10 -16 for RX
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* apply for both i2s and slimbus
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*/
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u16 shift; /*
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* shift bit for RX and TX
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* apply for both i2s and slimbus
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*/
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struct list_head list; /*
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* channel link list
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* apply for both i2s and slimbus
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*/
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};
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struct wcd9xxx_codec_dai_data {
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u32 rate; /* sample rate */
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u32 bit_width; /* sit width 16,24,32 */
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struct list_head wcd9xxx_ch_list; /* channel list */
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u16 grph; /* slimbus group handle */
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unsigned long ch_mask;
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wait_queue_head_t dai_wait;
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};
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enum wcd9xxx_intf_status {
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WCD9XXX_INTERFACE_TYPE_PROBING,
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WCD9XXX_INTERFACE_TYPE_SLIMBUS,
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WCD9XXX_INTERFACE_TYPE_I2C,
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};
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#define WCD9XXX_CH(xport, xshift) \
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{.port = xport, .shift = xshift}
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enum wcd9xxx_chipid_major {
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TABLA_MAJOR = cpu_to_le16(0x100),
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SITAR_MAJOR = cpu_to_le16(0x101),
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TAIKO_MAJOR = cpu_to_le16(0x102),
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TAPAN_MAJOR = cpu_to_le16(0x103),
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};
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struct wcd9xxx_codec_type {
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u16 id_major;
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u16 id_minor;
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struct mfd_cell *dev;
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int size;
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int num_irqs;
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int version; /* -1 to retrive version from chip version register */
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enum wcd9xxx_slim_slave_addr_type slim_slave_type;
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u16 i2c_chip_status;
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};
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struct wcd9xxx {
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struct device *dev;
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struct slim_device *slim;
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struct slim_device *slim_slave;
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struct mutex io_lock;
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struct mutex xfer_lock;
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struct mutex irq_lock;
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struct mutex nested_irq_lock;
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u8 version;
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int reset_gpio;
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int (*read_dev)(struct wcd9xxx *wcd9xxx, unsigned short reg,
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int bytes, void *dest, bool interface_reg);
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int (*write_dev)(struct wcd9xxx *wcd9xxx, unsigned short reg,
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int bytes, void *src, bool interface_reg);
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int (*post_reset)(struct wcd9xxx *wcd9xxx);
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void *ssr_priv;
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bool slim_device_bootup;
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u32 num_of_supplies;
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struct regulator_bulk_data *supplies;
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enum wcd9xxx_pm_state pm_state;
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struct mutex pm_lock;
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/* pm_wq notifies change of pm_state */
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wait_queue_head_t pm_wq;
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struct pm_qos_request pm_qos_req;
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int wlock_holders;
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u16 id_minor;
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u16 id_major;
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unsigned int irq_base;
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unsigned int irq;
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u8 irq_masks_cur[WCD9XXX_NUM_IRQ_REGS];
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u8 irq_masks_cache[WCD9XXX_NUM_IRQ_REGS];
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bool irq_level_high[WCD9XXX_MAX_NUM_IRQS];
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/* Slimbus or I2S port */
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u32 num_rx_port;
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u32 num_tx_port;
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struct wcd9xxx_ch *rx_chs;
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struct wcd9xxx_ch *tx_chs;
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u32 mclk_rate;
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const struct wcd9xxx_codec_type *codec_type;
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};
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int wcd9xxx_reg_read(struct wcd9xxx *wcd9xxx, unsigned short reg);
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int wcd9xxx_reg_write(struct wcd9xxx *wcd9xxx, unsigned short reg,
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u8 val);
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int wcd9xxx_interface_reg_read(struct wcd9xxx *wcd9xxx, unsigned short reg);
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int wcd9xxx_interface_reg_write(struct wcd9xxx *wcd9xxx, unsigned short reg,
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u8 val);
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int wcd9xxx_bulk_read(struct wcd9xxx *wcd9xxx, unsigned short reg,
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int count, u8 *buf);
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int wcd9xxx_bulk_write(struct wcd9xxx *wcd9xxx, unsigned short reg,
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int count, u8 *buf);
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int wcd9xxx_irq_init(struct wcd9xxx *wcd9xxx);
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void wcd9xxx_irq_exit(struct wcd9xxx *wcd9xxx);
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int wcd9xxx_get_logical_addresses(u8 *pgd_la, u8 *inf_la);
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enum wcd9xxx_intf_status wcd9xxx_get_intf_type(void);
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bool wcd9xxx_lock_sleep(struct wcd9xxx *wcd9xxx);
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void wcd9xxx_unlock_sleep(struct wcd9xxx *wcd9xxx);
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void wcd9xxx_nested_irq_lock(struct wcd9xxx *wcd9xxx);
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void wcd9xxx_nested_irq_unlock(struct wcd9xxx *wcd9xxx);
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enum wcd9xxx_pm_state wcd9xxx_pm_cmpxchg(struct wcd9xxx *wcd9xxx,
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enum wcd9xxx_pm_state o,
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enum wcd9xxx_pm_state n);
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int wcd9xxx_request_irq(struct wcd9xxx *wcd9xxx, int irq,
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irq_handler_t handler, const char *name, void *data);
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void wcd9xxx_free_irq(struct wcd9xxx *wcd9xxx, int irq, void *data);
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void wcd9xxx_enable_irq(struct wcd9xxx *wcd9xxx, int irq);
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void wcd9xxx_disable_irq(struct wcd9xxx *wcd9xxx, int irq);
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void wcd9xxx_disable_irq_sync(struct wcd9xxx *wcd9xxx, int irq);
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#if defined(CONFIG_WCD9310_CODEC) || \
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defined(CONFIG_WCD9304_CODEC) || \
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defined(CONFIG_WCD9320_CODEC) || \
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defined(CONFIG_WCD9306_CODEC)
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int __init wcd9xxx_irq_of_init(struct device_node *node,
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struct device_node *parent);
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#else
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static inline int __init wcd9xxx_irq_of_init(struct device_node *node,
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struct device_node *parent)
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{
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return 0;
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}
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#endif /* CONFIG_OF */
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#endif
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