2 files changed, 256 insertions, 0 deletions

diff --git a/include/linux/i2c/twl.h b/include/linux/i2c/twl.h
index e0aba2b92fa1..ea5baa269226 100644
--- a/include/linux/i2c/twl.h
+++ b/include/linux/i2c/twl.h
@@ -679,6 +679,7 @@ struct twl4030_audio_data {
         /* twl6040 */
         int audpwron_gpio;      /* audio power-on gpio */
         int naudint_irq;        /* audio interrupt */
+        unsigned int irq_base;
 };
 
 struct twl4030_platform_data {
diff --git a/include/linux/mfd/twl6040.h b/include/linux/mfd/twl6040.h
new file mode 100644
index 000000000000..c3c1de53dcfe
--- /dev/null
+++ b/include/linux/mfd/twl6040.h
@@ -0,0 +1,255 @@
+/*
+ * MFD driver for twl6040
+ *
+ * Authors:     Jorge Eduardo Candelaria <jorge.candelaria@ti.com>
+ *              Misael Lopez Cruz <misael.lopez@ti.com>
+ *
+ * Copyright:   (C) 2011 Texas Instruments, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+
+#ifndef __TWL6040_CODEC_H__
+#define __TWL6040_CODEC_H__
+
+#include <linux/interrupt.h>
+#include <linux/mfd/core.h>
+
+#define TWL6040_REG_ASICID              0x01
+#define TWL6040_REG_ASICREV             0x02
+#define TWL6040_REG_INTID               0x03
+#define TWL6040_REG_INTMR               0x04
+#define TWL6040_REG_NCPCTL              0x05
+#define TWL6040_REG_LDOCTL              0x06
+#define TWL6040_REG_HPPLLCTL            0x07
+#define TWL6040_REG_LPPLLCTL            0x08
+#define TWL6040_REG_LPPLLDIV            0x09
+#define TWL6040_REG_AMICBCTL            0x0A
+#define TWL6040_REG_DMICBCTL            0x0B
+#define TWL6040_REG_MICLCTL             0x0C
+#define TWL6040_REG_MICRCTL             0x0D
+#define TWL6040_REG_MICGAIN             0x0E
+#define TWL6040_REG_LINEGAIN            0x0F
+#define TWL6040_REG_HSLCTL              0x10
+#define TWL6040_REG_HSRCTL              0x11
+#define TWL6040_REG_HSGAIN              0x12
+#define TWL6040_REG_EARCTL              0x13
+#define TWL6040_REG_HFLCTL              0x14
+#define TWL6040_REG_HFLGAIN             0x15
+#define TWL6040_REG_HFRCTL              0x16
+#define TWL6040_REG_HFRGAIN             0x17
+#define TWL6040_REG_VIBCTLL             0x18
+#define TWL6040_REG_VIBDATL             0x19
+#define TWL6040_REG_VIBCTLR             0x1A
+#define TWL6040_REG_VIBDATR             0x1B
+#define TWL6040_REG_HKCTL1              0x1C
+#define TWL6040_REG_HKCTL2              0x1D
+#define TWL6040_REG_GPOCTL              0x1E
+#define TWL6040_REG_ALB                 0x1F
+#define TWL6040_REG_DLB                 0x20
+#define TWL6040_REG_TRIM1               0x28
+#define TWL6040_REG_TRIM2               0x29
+#define TWL6040_REG_TRIM3               0x2A
+#define TWL6040_REG_HSOTRIM             0x2B
+#define TWL6040_REG_HFOTRIM             0x2C
+#define TWL6040_REG_ACCCTL              0x2D
+#define TWL6040_REG_STATUS              0x2E
+
+#define TWL6040_CACHEREGNUM             (TWL6040_REG_STATUS + 1)
+
+#define TWL6040_VIOREGNUM               18
+#define TWL6040_VDDREGNUM               21
+
+/* INTID (0x03) fields */
+
+#define TWL6040_THINT                   0x01
+#define TWL6040_PLUGINT                 0x02
+#define TWL6040_UNPLUGINT               0x04
+#define TWL6040_HOOKINT                 0x08
+#define TWL6040_HFINT                   0x10
+#define TWL6040_VIBINT                  0x20
+#define TWL6040_READYINT                0x40
+
+/* INTMR (0x04) fields */
+
+#define TWL6040_THMSK                   0x01
+#define TWL6040_PLUGMSK                 0x02
+#define TWL6040_HOOKMSK                 0x08
+#define TWL6040_HFMSK                   0x10
+#define TWL6040_VIBMSK                  0x20
+#define TWL6040_READYMSK                0x40
+#define TWL6040_ALLINT_MSK              0x7B
+
+/* NCPCTL (0x05) fields */
+
+#define TWL6040_NCPENA                  0x01
+#define TWL6040_NCPOPEN                 0x40
+
+/* LDOCTL (0x06) fields */
+
+#define TWL6040_LSLDOENA                0x01
+#define TWL6040_HSLDOENA                0x04
+#define TWL6040_REFENA                  0x40
+#define TWL6040_OSCENA                  0x80
+
+/* HPPLLCTL (0x07) fields */
+
+#define TWL6040_HPLLENA                 0x01
+#define TWL6040_HPLLRST                 0x02
+#define TWL6040_HPLLBP                  0x04
+#define TWL6040_HPLLSQRENA              0x08
+#define TWL6040_MCLK_12000KHZ           (0 << 5)
+#define TWL6040_MCLK_19200KHZ           (1 << 5)
+#define TWL6040_MCLK_26000KHZ           (2 << 5)
+#define TWL6040_MCLK_38400KHZ           (3 << 5)
+#define TWL6040_MCLK_MSK                0x60
+
+/* LPPLLCTL (0x08) fields */
+
+#define TWL6040_LPLLENA                 0x01
+#define TWL6040_LPLLRST                 0x02
+#define TWL6040_LPLLSEL                 0x04
+#define TWL6040_LPLLFIN                 0x08
+#define TWL6040_HPLLSEL                 0x10
+
+/* HSLCTL (0x10) fields */
+
+#define TWL6040_HSDACMODEL              0x02
+#define TWL6040_HSDRVMODEL              0x08
+
+/* HSRCTL (0x11) fields */
+
+#define TWL6040_HSDACMODER              0x02
+#define TWL6040_HSDRVMODER              0x08
+
+/* VIBCTLL (0x18) fields */
+
+#define TWL6040_VIBENAL                 0x01
+#define TWL6040_VIBCTRLL                0x04
+#define TWL6040_VIBCTRLLP               0x08
+#define TWL6040_VIBCTRLLN               0x10
+
+/* VIBDATL (0x19) fields */
+
+#define TWL6040_VIBDAT_MAX              0x64
+
+/* VIBCTLR (0x1A) fields */
+
+#define TWL6040_VIBENAR                 0x01
+#define TWL6040_VIBCTRLR                0x04
+#define TWL6040_VIBCTRLRP               0x08
+#define TWL6040_VIBCTRLRN               0x10
+
+/* GPOCTL (0x1E) fields */
+
+#define TWL6040_GPO1                    0x01
+#define TWL6040_GPO2                    0x02
+#define TWL6040_GPO3                    0x03
+
+/* ACCCTL (0x2D) fields */
+
+#define TWL6040_I2CSEL                  0x01
+#define TWL6040_RESETSPLIT              0x04
+#define TWL6040_INTCLRMODE              0x08
+
+#define TWL6040_SYSCLK_SEL_LPPLL        1
+#define TWL6040_SYSCLK_SEL_HPPLL        2
+
+/* STATUS (0x2E) fields */
+
+#define TWL6040_PLUGCOMP                0x02
+#define TWL6040_VIBLOCDET               0x10
+#define TWL6040_VIBROCDET               0x20
+#define TWL6040_TSHUTDET                0x40
+
+#define TWL6040_CELLS                   2
+
+#define TWL6040_REV_ES1_0               0x00
+#define TWL6040_REV_ES1_1               0x01
+#define TWL6040_REV_ES1_2               0x02
+
+#define TWL6040_IRQ_TH                  0
+#define TWL6040_IRQ_PLUG                1
+#define TWL6040_IRQ_HOOK                2
+#define TWL6040_IRQ_HF                  3
+#define TWL6040_IRQ_VIB                 4
+#define TWL6040_IRQ_READY               5
+
+enum twl6040_pll_id {
+        TWL6040_NOPLL_ID,
+        TWL6040_LPPLL_ID,
+        TWL6040_HPPLL_ID,
+};
+
+struct twl6040 {
+        struct device *dev;
+        struct mutex mutex;
+        struct mutex io_mutex;
+        struct mutex irq_mutex;
+        struct mfd_cell cells[TWL6040_CELLS];
+        struct completion ready;
+
+        int audpwron;
+        int power_count;
+        int rev;
+
+        enum twl6040_pll_id pll;
+        unsigned int sysclk;
+
+        unsigned int irq;
+        unsigned int irq_base;
+        u8 irq_masks_cur;
+        u8 irq_masks_cache;
+};
+
+static inline int twl6040_request_irq(struct twl6040 *twl6040, int irq,
+                                      irq_handler_t handler,
+                                      unsigned long irqflags,
+                                      const char *name,
+                                      void *data)
+{
+        if (!twl6040->irq_base)
+                return -EINVAL;
+
+        return request_threaded_irq(twl6040->irq_base + irq, NULL, handler,
+                                    irqflags, name, data);
+}
+
+static inline void twl6040_free_irq(struct twl6040 *twl6040, int irq,
+                                    void *data)
+{
+        if (!twl6040->irq_base)
+                return;
+
+        free_irq(twl6040->irq_base + irq, data);
+}
+
+int twl6040_reg_read(struct twl6040 *twl6040, unsigned int reg);
+int twl6040_reg_write(struct twl6040 *twl6040, unsigned int reg,
+                      u8 val);
+int twl6040_set_bits(struct twl6040 *twl6040, unsigned int reg,
+                     u8 mask);
+int twl6040_clear_bits(struct twl6040 *twl6040, unsigned int reg,
+                       u8 mask);
+int twl6040_power(struct twl6040 *twl6040, int on);
+int twl6040_set_pll(struct twl6040 *twl6040, enum twl6040_pll_id id,
+                    unsigned int freq_in, unsigned int freq_out);
+enum twl6040_pll_id twl6040_get_pll(struct twl6040 *twl6040);
+unsigned int twl6040_get_sysclk(struct twl6040 *twl6040);
+int twl6040_irq_init(struct twl6040 *twl6040);
+void twl6040_irq_exit(struct twl6040 *twl6040);
+
+#endif  /* End of __TWL6040_CODEC_H__ */