--- /dev/null
+/*
+ * gptimers.h - Blackfin General Purpose Timer structs/defines/prototypes
+ *
+ * Copyright (c) 2005-2008 Analog Devices Inc.
+ * Copyright (C) 2005 John DeHority
+ * Copyright (C) 2006 Hella Aglaia GmbH (awe@aglaia-gmbh.de)
+ *
+ * Licensed under the GPL-2.
+ */
+
+#ifndef _BLACKFIN_TIMERS_H_
+#define _BLACKFIN_TIMERS_H_
+
+#include <linux/types.h>
+#include <asm/blackfin.h>
+
+/*
+ * BF51x/BF52x/BF537: 8 timers:
+ */
+#if defined(CONFIG_BF51x) || defined(CONFIG_BF52x) || defined(BF537_FAMILY)
+# define MAX_BLACKFIN_GPTIMERS 8
+# define TIMER0_GROUP_REG TIMER_ENABLE
+#endif
+/*
+ * BF54x: 11 timers (BF542: 8 timers):
+ */
+#if defined(CONFIG_BF54x)
+# ifdef CONFIG_BF542
+# define MAX_BLACKFIN_GPTIMERS 8
+# else
+# define MAX_BLACKFIN_GPTIMERS 11
+# define TIMER8_GROUP_REG TIMER_ENABLE1
+# define TIMER_GROUP2 1
+# endif
+# define TIMER0_GROUP_REG TIMER_ENABLE0
+#endif
+/*
+ * BF561: 12 timers:
+ */
+#if defined(CONFIG_BF561)
+# define MAX_BLACKFIN_GPTIMERS 12
+# define TIMER0_GROUP_REG TMRS8_ENABLE
+# define TIMER8_GROUP_REG TMRS4_ENABLE
+# define TIMER_GROUP2 1
+#endif
+/*
+ * BF609: 8 timers:
+ */
+#if defined(CONFIG_BF60x)
+# define MAX_BLACKFIN_GPTIMERS 8
+# define TIMER0_GROUP_REG TIMER_RUN
+#endif
+/*
+ * All others: 3 timers:
+ */
+#define TIMER_GROUP1 0
+#if !defined(MAX_BLACKFIN_GPTIMERS)
+# define MAX_BLACKFIN_GPTIMERS 3
+# define TIMER0_GROUP_REG TIMER_ENABLE
+#endif
+
+#define BLACKFIN_GPTIMER_IDMASK ((1UL << MAX_BLACKFIN_GPTIMERS) - 1)
+#define BFIN_TIMER_OCTET(x) ((x) >> 3)
+
+/* used in masks for timer_enable() and timer_disable() */
+#define TIMER0bit 0x0001 /* 0001b */
+#define TIMER1bit 0x0002 /* 0010b */
+#define TIMER2bit 0x0004 /* 0100b */
+#define TIMER3bit 0x0008
+#define TIMER4bit 0x0010
+#define TIMER5bit 0x0020
+#define TIMER6bit 0x0040
+#define TIMER7bit 0x0080
+#define TIMER8bit 0x0100
+#define TIMER9bit 0x0200
+#define TIMER10bit 0x0400
+#define TIMER11bit 0x0800
+
+#define TIMER0_id 0
+#define TIMER1_id 1
+#define TIMER2_id 2
+#define TIMER3_id 3
+#define TIMER4_id 4
+#define TIMER5_id 5
+#define TIMER6_id 6
+#define TIMER7_id 7
+#define TIMER8_id 8
+#define TIMER9_id 9
+#define TIMER10_id 10
+#define TIMER11_id 11
+
+/* associated timers for ppi framesync: */
+
+#if defined(CONFIG_BF561)
+# define FS0_1_TIMER_ID TIMER8_id
+# define FS0_2_TIMER_ID TIMER9_id
+# define FS1_1_TIMER_ID TIMER10_id
+# define FS1_2_TIMER_ID TIMER11_id
+# define FS0_1_TIMER_BIT TIMER8bit
+# define FS0_2_TIMER_BIT TIMER9bit
+# define FS1_1_TIMER_BIT TIMER10bit
+# define FS1_2_TIMER_BIT TIMER11bit
+# undef FS1_TIMER_ID
+# undef FS2_TIMER_ID
+# undef FS1_TIMER_BIT
+# undef FS2_TIMER_BIT
+#else
+# define FS1_TIMER_ID TIMER0_id
+# define FS2_TIMER_ID TIMER1_id
+# define FS1_TIMER_BIT TIMER0bit
+# define FS2_TIMER_BIT TIMER1bit
+#endif
+
+#ifdef CONFIG_BF60x
+/*
+ * Timer Configuration Register Bits
+ */
+#define TIMER_EMU_RUN 0x8000
+#define TIMER_BPER_EN 0x4000
+#define TIMER_BWID_EN 0x2000
+#define TIMER_BDLY_EN 0x1000
+#define TIMER_OUT_DIS 0x0800
+#define TIMER_TIN_SEL 0x0400
+#define TIMER_CLK_SEL 0x0300
+#define TIMER_CLK_SCLK 0x0000
+#define TIMER_CLK_ALT_CLK0 0x0100
+#define TIMER_CLK_ALT_CLK1 0x0300
+#define TIMER_PULSE_HI 0x0080
+#define TIMER_SLAVE_TRIG 0x0040
+#define TIMER_IRQ_MODE 0x0030
+#define TIMER_IRQ_ACT_EDGE 0x0000
+#define TIMER_IRQ_DLY 0x0010
+#define TIMER_IRQ_WID_DLY 0x0020
+#define TIMER_IRQ_PER 0x0030
+#define TIMER_MODE 0x000f
+#define TIMER_MODE_WDOG_P 0x0008
+#define TIMER_MODE_WDOG_W 0x0009
+#define TIMER_MODE_PWM_CONT 0x000c
+#define TIMER_MODE_PWM 0x000d
+#define TIMER_MODE_WDTH 0x000a
+#define TIMER_MODE_WDTH_D 0x000b
+#define TIMER_MODE_EXT_CLK 0x000e
+#define TIMER_MODE_PININT 0x000f
+
+/*
+ * Timer Status Register Bits
+ */
+#define TIMER_STATUS_TIMIL0 0x0001
+#define TIMER_STATUS_TIMIL1 0x0002
+#define TIMER_STATUS_TIMIL2 0x0004
+#define TIMER_STATUS_TIMIL3 0x0008
+#define TIMER_STATUS_TIMIL4 0x0010
+#define TIMER_STATUS_TIMIL5 0x0020
+#define TIMER_STATUS_TIMIL6 0x0040
+#define TIMER_STATUS_TIMIL7 0x0080
+
+#define TIMER_STATUS_TOVF0 0x0001 /* timer 0 overflow error */
+#define TIMER_STATUS_TOVF1 0x0002
+#define TIMER_STATUS_TOVF2 0x0004
+#define TIMER_STATUS_TOVF3 0x0008
+#define TIMER_STATUS_TOVF4 0x0010
+#define TIMER_STATUS_TOVF5 0x0020
+#define TIMER_STATUS_TOVF6 0x0040
+#define TIMER_STATUS_TOVF7 0x0080
+
+/*
+ * Timer Slave Enable Status : write 1 to clear
+ */
+#define TIMER_STATUS_TRUN0 0x0001
+#define TIMER_STATUS_TRUN1 0x0002
+#define TIMER_STATUS_TRUN2 0x0004
+#define TIMER_STATUS_TRUN3 0x0008
+#define TIMER_STATUS_TRUN4 0x0010
+#define TIMER_STATUS_TRUN5 0x0020
+#define TIMER_STATUS_TRUN6 0x0040
+#define TIMER_STATUS_TRUN7 0x0080
+
+#else
+
+/*
+ * Timer Configuration Register Bits
+ */
+#define TIMER_ERR 0xC000
+#define TIMER_ERR_OVFL 0x4000
+#define TIMER_ERR_PROG_PER 0x8000
+#define TIMER_ERR_PROG_PW 0xC000
+#define TIMER_EMU_RUN 0x0200
+#define TIMER_TOGGLE_HI 0x0100
+#define TIMER_CLK_SEL 0x0080
+#define TIMER_OUT_DIS 0x0040
+#define TIMER_TIN_SEL 0x0020
+#define TIMER_IRQ_ENA 0x0010
+#define TIMER_PERIOD_CNT 0x0008
+#define TIMER_PULSE_HI 0x0004
+#define TIMER_MODE 0x0003
+#define TIMER_MODE_PWM 0x0001
+#define TIMER_MODE_WDTH 0x0002
+#define TIMER_MODE_EXT_CLK 0x0003
+
+/*
+ * Timer Status Register Bits
+ */
+#define TIMER_STATUS_TIMIL0 0x0001
+#define TIMER_STATUS_TIMIL1 0x0002
+#define TIMER_STATUS_TIMIL2 0x0004
+#define TIMER_STATUS_TIMIL3 0x00000008
+#define TIMER_STATUS_TIMIL4 0x00010000
+#define TIMER_STATUS_TIMIL5 0x00020000
+#define TIMER_STATUS_TIMIL6 0x00040000
+#define TIMER_STATUS_TIMIL7 0x00080000
+#define TIMER_STATUS_TIMIL8 0x0001
+#define TIMER_STATUS_TIMIL9 0x0002
+#define TIMER_STATUS_TIMIL10 0x0004
+#define TIMER_STATUS_TIMIL11 0x0008
+
+#define TIMER_STATUS_TOVF0 0x0010 /* timer 0 overflow error */
+#define TIMER_STATUS_TOVF1 0x0020
+#define TIMER_STATUS_TOVF2 0x0040
+#define TIMER_STATUS_TOVF3 0x00000080
+#define TIMER_STATUS_TOVF4 0x00100000
+#define TIMER_STATUS_TOVF5 0x00200000
+#define TIMER_STATUS_TOVF6 0x00400000
+#define TIMER_STATUS_TOVF7 0x00800000
+#define TIMER_STATUS_TOVF8 0x0010
+#define TIMER_STATUS_TOVF9 0x0020
+#define TIMER_STATUS_TOVF10 0x0040
+#define TIMER_STATUS_TOVF11 0x0080
+
+/*
+ * Timer Slave Enable Status : write 1 to clear
+ */
+#define TIMER_STATUS_TRUN0 0x1000
+#define TIMER_STATUS_TRUN1 0x2000
+#define TIMER_STATUS_TRUN2 0x4000
+#define TIMER_STATUS_TRUN3 0x00008000
+#define TIMER_STATUS_TRUN4 0x10000000
+#define TIMER_STATUS_TRUN5 0x20000000
+#define TIMER_STATUS_TRUN6 0x40000000
+#define TIMER_STATUS_TRUN7 0x80000000
+#define TIMER_STATUS_TRUN 0xF000F000
+#define TIMER_STATUS_TRUN8 0x1000
+#define TIMER_STATUS_TRUN9 0x2000
+#define TIMER_STATUS_TRUN10 0x4000
+#define TIMER_STATUS_TRUN11 0x8000
+
+#endif
+
+/* The actual gptimer API */
+
+void set_gptimer_pwidth(unsigned int timer_id, uint32_t width);
+uint32_t get_gptimer_pwidth(unsigned int timer_id);
+void set_gptimer_period(unsigned int timer_id, uint32_t period);
+uint32_t get_gptimer_period(unsigned int timer_id);
+#ifdef CONFIG_BF60x
+void set_gptimer_delay(unsigned int timer_id, uint32_t delay);
+uint32_t get_gptimer_delay(unsigned int timer_id);
+#endif
+uint32_t get_gptimer_count(unsigned int timer_id);
+int get_gptimer_intr(unsigned int timer_id);
+void clear_gptimer_intr(unsigned int timer_id);
+int get_gptimer_over(unsigned int timer_id);
+void clear_gptimer_over(unsigned int timer_id);
+void set_gptimer_config(unsigned int timer_id, uint16_t config);
+uint16_t get_gptimer_config(unsigned int timer_id);
+int get_gptimer_run(unsigned int timer_id);
+void set_gptimer_pulse_hi(unsigned int timer_id);
+void clear_gptimer_pulse_hi(unsigned int timer_id);
+void enable_gptimers(uint16_t mask);
+void disable_gptimers(uint16_t mask);
+void disable_gptimers_sync(uint16_t mask);
+uint16_t get_enabled_gptimers(void);
+uint32_t get_gptimer_status(unsigned int group);
+void set_gptimer_status(unsigned int group, uint32_t value);
+
+static inline void enable_gptimer(unsigned int timer_id)
+{
+ enable_gptimers(1 << timer_id);
+}
+
+static inline void disable_gptimer(unsigned int timer_id)
+{
+ disable_gptimers(1 << timer_id);
+}
+
+/*
+ * All Blackfin system MMRs are padded to 32bits even if the register
+ * itself is only 16bits. So use a helper macro to streamline this.
+ */
+#define __BFP(m) u16 m; u16 __pad_##m
+
+/*
+ * bfin timer registers layout
+ */
+struct bfin_gptimer_regs {
+ __BFP(config);
+ u32 counter;
+ u32 period;
+ u32 width;
+#ifdef CONFIG_BF60x
+ u32 delay;
+#endif
+};
+
+/*
+ * bfin group timer registers layout
+ */
+#ifndef CONFIG_BF60x
+struct bfin_gptimer_group_regs {
+ __BFP(enable);
+ __BFP(disable);
+ u32 status;
+};
+#else
+struct bfin_gptimer_group_regs {
+ __BFP(run);
+ __BFP(enable);
+ __BFP(disable);
+ __BFP(stop_cfg);
+ __BFP(stop_cfg_set);
+ __BFP(stop_cfg_clr);
+ __BFP(data_imsk);
+ __BFP(stat_imsk);
+ __BFP(tr_msk);
+ __BFP(tr_ie);
+ __BFP(data_ilat);
+ __BFP(stat_ilat);
+ __BFP(err_status);
+ __BFP(bcast_per);
+ __BFP(bcast_wid);
+ __BFP(bcast_dly);
+
+};
+#endif
+
+#undef __BFP
+
+#endif
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