first commit

1 files changed, 116 insertions, 0 deletions

diff --git a/include/linux/irqchip/mt-eic.h b/include/linux/irqchip/mt-eic.h
new file mode 100644
index 000000000..857fe7d20
--- /dev/null
+++ b/include/linux/irqchip/mt-eic.h
@@ -0,0 +1,116 @@
+#ifndef __EINT_H
+#define __EINT_H
+
+/*
+ * Hardware registers and settings.
+ */
+#define EINT_STA_BASE         (((unsigned long)EINT_BASE + 0x000))
+#define EINT_INTACK_BASE      (((unsigned long)EINT_BASE + 0x040))
+#define EINT_MASK_BASE        (((unsigned long)EINT_BASE + 0x080))
+#define EINT_MASK_SET_BASE    (((unsigned long)EINT_BASE + 0x0c0))
+#define EINT_MASK_CLR_BASE    (((unsigned long)EINT_BASE + 0x100))
+#define EINT_SENS_BASE        (((unsigned long)EINT_BASE + 0x140))
+#define EINT_SENS_SET_BASE    (((unsigned long)EINT_BASE + 0x180))
+#define EINT_SENS_CLR_BASE    (((unsigned long)EINT_BASE + 0x1c0))
+#define EINT_SOFT_BASE        (((unsigned long)EINT_BASE + 0x200))
+#define EINT_SOFT_SET_BASE    (((unsigned long)EINT_BASE + 0x240))
+#define EINT_SOFT_CLR_BASE    (((unsigned long)EINT_BASE + 0x280))
+#define EINT_POL_BASE         (((unsigned long)EINT_BASE + 0x300))
+#define EINT_POL_SET_BASE     (((unsigned long)EINT_BASE + 0x340))
+#define EINT_POL_CLR_BASE     (((unsigned long)EINT_BASE + 0x380))
+#define EINT_D0_EN_BASE       (((unsigned long)EINT_BASE + 0x400))
+#define EINT_D1_EN_BASE       (((unsigned long)EINT_BASE + 0x420))
+#define EINT_D2_EN_BASE       (((unsigned long)EINT_BASE + 0x440))
+#define EINT_DBNC_BASE        (((unsigned long)EINT_BASE + 0x500))
+#define EINT_DBNC_SET_BASE    (((unsigned long)EINT_BASE + 0x600))
+#define EINT_DBNC_CLR_BASE    (((unsigned long)EINT_BASE + 0x700))
+#define DEINT_CON_BASE        (((unsigned long)EINT_BASE + 0x800))
+#define DEINT_SEL_BASE        (((unsigned long)EINT_BASE + 0x840))
+#define DEINT_SEL_SET_BASE    (((unsigned long)EINT_BASE + 0x880))
+#define DEINT_SEL_CLR_BASE    (((unsigned long)EINT_BASE + 0x8c0))
+#define EINT_EEVT_BASE	      (((unsigned long)EINT_BASE + 0x900))
+#define EINT_RAW_STA_BASE     (((unsigned long)EINT_BASE + 0xA00))
+#define EINT_EMUL_BASE        (((unsigned long)EINT_BASE + 0xF00))
+#define EINT_DBNC_SET_DBNC_BITS    (4)
+#define EINT_DBNC_CLR_DBNC_BITS    (4)
+#define EINT_DBNC_SET_EN_BITS      (0)
+#define EINT_DBNC_CLR_EN_BITS      (0)
+#define EINT_DBNC_SET_RST_BITS     (1)
+#define EINT_DBNC_EN_BIT           (0x1)
+#define EINT_DBNC_RST_BIT          (0x1)
+#define EINT_DBNC_0_MS             (0x7)
+#define EINT_DBNC                  (0x7)
+#define EINT_DBNC_SET_EN           (0x1)
+#define EINT_DBNC_CLR_EN           (0x1)
+#define EINT_STA_DEFAULT	0x00000000
+#define EINT_INTACK_DEFAULT	0x00000000
+#define EINT_EEVT_DEFAULT	0x00000001
+#define EINT_MASK_DEFAULT	0x00000000
+#define EINT_MASK_SET_DEFAULT	0x00000000
+#define EINT_MASK_CLR_DEFAULT	0x00000000
+#define EINT_SENS_DEFAULT	0x0000FFFF
+#define EINT_SENS_SET_DEFAULT	0x00000000
+#define EINT_SENS_CLR_DEFAULT	0x00000000
+#define EINT_D0EN_DEFAULT	0x00000000
+#define EINT_D1EN_DEFAULT	0x00000000
+#define EINT_D2EN_DEFAULT	0x00000000
+#define EINT_DBNC_DEFAULT(n)	0x00000000
+#define DEINT_MASK_DEFAULT      0x00000000
+#define DEINT_MASK_SET_DEFAULT  0x00000000
+#define DEINT_MASK_CLR_DEFAULT  0x00000000
+
+/*
+ * Define constants.
+ */
+//#define EINT_IRQ_BASE            NR_MT_IRQ_LINE
+//#define EINT_AP_MAXNUMBER       64 
+//#define EINT_MAX_CHANNEL        64
+//#define DEINT_MAX_CHANNEL       4
+#define MT_EINT_POL_NEG         0
+#define MT_EINT_POL_POS         1
+#define MAX_HW_DEBOUNCE_CNT     32
+//#define MAX_DEINT_CNT           4
+#define EINTF_TRIGGER_RISING    0x00000001
+#define EINTF_TRIGGER_FALLING   0x00000002
+#define EINTF_TRIGGER_HIGH      0x00000004
+#define EINTF_TRIGGER_LOW       0x00000008
+#define EINT_IRQ(eint)          (eint+EINT_IRQ_BASE)
+#define DEMUX_EINT_IRQ(irq)     (irq-EINT_IRQ_BASE)
+#define EINT_GPIO(eint)         eint
+#define GPIOPIN                 0
+#define DEBOUNCE                1
+#define EINT_DELAY_WARNING      3000000
+#define MT_EDGE_SENSITIVE 0
+#define MT_LEVEL_SENSITIVE 1
+#define MT_POLARITY_LOW   0
+#define MT_POLARITY_HIGH  1
+
+/*
+ * Define function prototypes.
+ */
+extern void mt_eint_mask(unsigned int eint_num);
+extern void mt_eint_unmask(unsigned int eint_num);
+extern void mt_eint_set_hw_debounce(unsigned int eint_num, unsigned int ms);
+extern void mt_eint_set_polarity(unsigned int eint_num, unsigned int pol);
+extern unsigned int mt_eint_set_sens(unsigned int eint_num, unsigned int sens);
+extern void mt_eint_registration(unsigned int eint_num, unsigned int flow, void (EINT_FUNC_PTR)(void), unsigned int is_auto_umask);
+extern void mt_eint_print_status(void);
+extern int mt_gpio_set_debounce(unsigned gpio, unsigned debounce);
+extern unsigned int mt_gpio_to_irq(unsigned gpio);
+
+
+/*
+ * Define structure prototypes
+ */
+
+struct EINT_HEADER{
+    unsigned int is_autounmask;
+};
+
+struct pin_node {
+    struct rb_node node;
+    u32 gpio_pin;
+    u32 eint_pin;
+};
+
+#endif