272 lines
7.2 KiB
C
272 lines
7.2 KiB
C
/*
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* MFD driver for twl6040
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*
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* Authors: Jorge Eduardo Candelaria <jorge.candelaria@ti.com>
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* Misael Lopez Cruz <misael.lopez@ti.com>
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*
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* Copyright: (C) 2011 Texas Instruments, Inc.
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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 as
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* 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, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*
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*/
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#ifndef __TWL6040_CODEC_H__
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#define __TWL6040_CODEC_H__
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#include <linux/interrupt.h>
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#include <linux/mfd/core.h>
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#include <linux/regulator/consumer.h>
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#include <linux/clk.h>
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#define TWL6040_REG_ASICID 0x01
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#define TWL6040_REG_ASICREV 0x02
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#define TWL6040_REG_INTID 0x03
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#define TWL6040_REG_INTMR 0x04
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#define TWL6040_REG_NCPCTL 0x05
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#define TWL6040_REG_LDOCTL 0x06
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#define TWL6040_REG_HPPLLCTL 0x07
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#define TWL6040_REG_LPPLLCTL 0x08
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#define TWL6040_REG_LPPLLDIV 0x09
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#define TWL6040_REG_AMICBCTL 0x0A
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#define TWL6040_REG_DMICBCTL 0x0B
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#define TWL6040_REG_MICLCTL 0x0C
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#define TWL6040_REG_MICRCTL 0x0D
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#define TWL6040_REG_MICGAIN 0x0E
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#define TWL6040_REG_LINEGAIN 0x0F
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#define TWL6040_REG_HSLCTL 0x10
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#define TWL6040_REG_HSRCTL 0x11
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#define TWL6040_REG_HSGAIN 0x12
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#define TWL6040_REG_EARCTL 0x13
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#define TWL6040_REG_HFLCTL 0x14
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#define TWL6040_REG_HFLGAIN 0x15
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#define TWL6040_REG_HFRCTL 0x16
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#define TWL6040_REG_HFRGAIN 0x17
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#define TWL6040_REG_VIBCTLL 0x18
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#define TWL6040_REG_VIBDATL 0x19
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#define TWL6040_REG_VIBCTLR 0x1A
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#define TWL6040_REG_VIBDATR 0x1B
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#define TWL6040_REG_HKCTL1 0x1C
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#define TWL6040_REG_HKCTL2 0x1D
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#define TWL6040_REG_GPOCTL 0x1E
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#define TWL6040_REG_ALB 0x1F
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#define TWL6040_REG_DLB 0x20
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#define TWL6040_REG_TRIM1 0x28
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#define TWL6040_REG_TRIM2 0x29
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#define TWL6040_REG_TRIM3 0x2A
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#define TWL6040_REG_HSOTRIM 0x2B
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#define TWL6040_REG_HFOTRIM 0x2C
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#define TWL6040_REG_ACCCTL 0x2D
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#define TWL6040_REG_STATUS 0x2E
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/* INTID (0x03) fields */
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#define TWL6040_THINT 0x01
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#define TWL6040_PLUGINT 0x02
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#define TWL6040_UNPLUGINT 0x04
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#define TWL6040_HOOKINT 0x08
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#define TWL6040_HFINT 0x10
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#define TWL6040_VIBINT 0x20
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#define TWL6040_READYINT 0x40
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/* INTMR (0x04) fields */
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#define TWL6040_THMSK 0x01
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#define TWL6040_PLUGMSK 0x02
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#define TWL6040_HOOKMSK 0x08
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#define TWL6040_HFMSK 0x10
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#define TWL6040_VIBMSK 0x20
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#define TWL6040_READYMSK 0x40
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#define TWL6040_ALLINT_MSK 0x7B
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/* NCPCTL (0x05) fields */
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#define TWL6040_NCPENA 0x01
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#define TWL6040_NCPOPEN 0x40
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/* LDOCTL (0x06) fields */
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#define TWL6040_LSLDOENA 0x01
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#define TWL6040_HSLDOENA 0x04
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#define TWL6040_REFENA 0x40
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#define TWL6040_OSCENA 0x80
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/* HPPLLCTL (0x07) fields */
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#define TWL6040_HPLLENA 0x01
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#define TWL6040_HPLLRST 0x02
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#define TWL6040_HPLLBP 0x04
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#define TWL6040_HPLLSQRENA 0x08
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#define TWL6040_MCLK_12000KHZ (0 << 5)
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#define TWL6040_MCLK_19200KHZ (1 << 5)
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#define TWL6040_MCLK_26000KHZ (2 << 5)
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#define TWL6040_MCLK_38400KHZ (3 << 5)
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#define TWL6040_MCLK_MSK 0x60
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/* LPPLLCTL (0x08) fields */
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#define TWL6040_LPLLENA 0x01
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#define TWL6040_LPLLRST 0x02
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#define TWL6040_LPLLSEL 0x04
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#define TWL6040_LPLLFIN 0x08
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#define TWL6040_HPLLSEL 0x10
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/* HSLCTL/R (0x10/0x11) fields */
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#define TWL6040_HSDACENA (1 << 0)
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#define TWL6040_HSDACMODE (1 << 1)
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#define TWL6040_HSDRVENA (1 << 2)
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#define TWL6040_HSDRVMODE (1 << 3)
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/* HFLCTL/R (0x14/0x16) fields */
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#define TWL6040_HFDACENA (1 << 0)
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#define TWL6040_HFPGAENA (1 << 1)
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#define TWL6040_HFDRVENA (1 << 4)
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#define TWL6040_HFSWENA (1 << 6)
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/* VIBCTLL/R (0x18/0x1A) fields */
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#define TWL6040_VIBENA (1 << 0)
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#define TWL6040_VIBSEL (1 << 1)
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#define TWL6040_VIBCTRL (1 << 2)
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#define TWL6040_VIBCTRL_P (1 << 3)
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#define TWL6040_VIBCTRL_N (1 << 4)
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/* VIBDATL/R (0x19/0x1B) fields */
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#define TWL6040_VIBDAT_MAX 0x64
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/* GPOCTL (0x1E) fields */
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#define TWL6040_GPO1 0x01
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#define TWL6040_GPO2 0x02
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#define TWL6040_GPO3 0x04
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/* ACCCTL (0x2D) fields */
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#define TWL6040_I2CSEL 0x01
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#define TWL6040_RESETSPLIT 0x04
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#define TWL6040_INTCLRMODE 0x08
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#define TWL6040_I2CMODE(x) ((x & 0x3) << 4)
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/* STATUS (0x2E) fields */
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#define TWL6040_PLUGCOMP 0x02
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#define TWL6040_VIBLOCDET 0x10
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#define TWL6040_VIBROCDET 0x20
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#define TWL6040_TSHUTDET 0x40
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#define TWL6040_CELLS 4
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#define TWL6040_REV_ES1_0 0x00
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#define TWL6040_REV_ES1_1 0x01 /* Rev ES1.1 and ES1.2 */
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#define TWL6040_REV_ES1_3 0x02
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#define TWL6041_REV_ES2_0 0x10
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#define TWL6040_IRQ_TH 0
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#define TWL6040_IRQ_PLUG 1
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#define TWL6040_IRQ_HOOK 2
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#define TWL6040_IRQ_HF 3
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#define TWL6040_IRQ_VIB 4
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#define TWL6040_IRQ_READY 5
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/* PLL selection */
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#define TWL6040_SYSCLK_SEL_LPPLL 0
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#define TWL6040_SYSCLK_SEL_HPPLL 1
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#define TWL6040_GPO_MAX 3
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/* TODO: All platform data struct can be removed */
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struct twl6040_codec_data {
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u16 hs_left_step;
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u16 hs_right_step;
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u16 hf_left_step;
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u16 hf_right_step;
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};
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struct twl6040_vibra_data {
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unsigned int vibldrv_res; /* left driver resistance */
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unsigned int vibrdrv_res; /* right driver resistance */
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unsigned int viblmotor_res; /* left motor resistance */
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unsigned int vibrmotor_res; /* right motor resistance */
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int vddvibl_uV; /* VDDVIBL volt, set 0 for fixed reg */
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int vddvibr_uV; /* VDDVIBR volt, set 0 for fixed reg */
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};
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struct twl6040_gpo_data {
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int gpio_base;
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};
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struct twl6040_platform_data {
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int audpwron_gpio; /* audio power-on gpio */
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struct twl6040_codec_data *codec;
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struct twl6040_vibra_data *vibra;
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struct twl6040_gpo_data *gpo;
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};
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struct regmap;
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struct regmap_irq_chips_data;
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struct twl6040 {
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struct device *dev;
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struct regmap *regmap;
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struct regmap_irq_chip_data *irq_data;
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struct regulator_bulk_data supplies[2]; /* supplies for vio, v2v1 */
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struct clk *clk32k;
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struct clk *mclk;
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struct mutex mutex;
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struct mutex irq_mutex;
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struct mfd_cell cells[TWL6040_CELLS];
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struct completion ready;
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int audpwron;
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int power_count;
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int rev;
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/* PLL configuration */
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int pll;
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unsigned int sysclk_rate;
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unsigned int mclk_rate;
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unsigned int irq;
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unsigned int irq_ready;
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unsigned int irq_th;
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};
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int twl6040_reg_read(struct twl6040 *twl6040, unsigned int reg);
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int twl6040_reg_write(struct twl6040 *twl6040, unsigned int reg,
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u8 val);
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int twl6040_set_bits(struct twl6040 *twl6040, unsigned int reg,
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u8 mask);
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int twl6040_clear_bits(struct twl6040 *twl6040, unsigned int reg,
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u8 mask);
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int twl6040_power(struct twl6040 *twl6040, int on);
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int twl6040_set_pll(struct twl6040 *twl6040, int pll_id,
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unsigned int freq_in, unsigned int freq_out);
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int twl6040_get_pll(struct twl6040 *twl6040);
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unsigned int twl6040_get_sysclk(struct twl6040 *twl6040);
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/* Get the combined status of the vibra control register */
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int twl6040_get_vibralr_status(struct twl6040 *twl6040);
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static inline int twl6040_get_revid(struct twl6040 *twl6040)
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{
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return twl6040->rev;
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}
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#endif /* End of __TWL6040_CODEC_H__ */
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