| /* |
| * OMAP Dual-Mode Timers |
| * |
| * Copyright (C) 2010 Texas Instruments Incorporated - https://www.ti.com/ |
| * Tarun Kanti DebBarma <tarun.kanti@ti.com> |
| * Thara Gopinath <thara@ti.com> |
| * |
| * Platform device conversion and hwmod support. |
| * |
| * Copyright (C) 2005 Nokia Corporation |
| * Author: Lauri Leukkunen <lauri.leukkunen@nokia.com> |
| * PWM and clock framwork support by Timo Teras. |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License as published by the |
| * Free Software Foundation; either version 2 of the License, or (at your |
| * option) any later version. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN |
| * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| * 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., |
| * 675 Mass Ave, Cambridge, MA 02139, USA. |
| */ |
| |
| #include <linux/delay.h> |
| #include <linux/io.h> |
| #include <linux/platform_device.h> |
| |
| #ifndef __CLOCKSOURCE_DMTIMER_H |
| #define __CLOCKSOURCE_DMTIMER_H |
| |
| /* clock sources */ |
| #define OMAP_TIMER_SRC_SYS_CLK 0x00 |
| #define OMAP_TIMER_SRC_32_KHZ 0x01 |
| #define OMAP_TIMER_SRC_EXT_CLK 0x02 |
| |
| /* timer interrupt enable bits */ |
| #define OMAP_TIMER_INT_CAPTURE (1 << 2) |
| #define OMAP_TIMER_INT_OVERFLOW (1 << 1) |
| #define OMAP_TIMER_INT_MATCH (1 << 0) |
| |
| /* trigger types */ |
| #define OMAP_TIMER_TRIGGER_NONE 0x00 |
| #define OMAP_TIMER_TRIGGER_OVERFLOW 0x01 |
| #define OMAP_TIMER_TRIGGER_OVERFLOW_AND_COMPARE 0x02 |
| |
| /* timer capabilities used in hwmod database */ |
| #define OMAP_TIMER_SECURE 0x80000000 |
| #define OMAP_TIMER_ALWON 0x40000000 |
| #define OMAP_TIMER_HAS_PWM 0x20000000 |
| #define OMAP_TIMER_NEEDS_RESET 0x10000000 |
| #define OMAP_TIMER_HAS_DSP_IRQ 0x08000000 |
| |
| struct omap_dm_timer { |
| }; |
| |
| int omap_dm_timer_get_irq(struct omap_dm_timer *timer); |
| |
| u32 omap_dm_timer_modify_idlect_mask(u32 inputmask); |
| |
| /* |
| * Do not use the defines below, they are not needed. They should be only |
| * used by dmtimer.c and sys_timer related code. |
| */ |
| |
| /* |
| * The interrupt registers are different between v1 and v2 ip. |
| * These registers are offsets from timer->iobase. |
| */ |
| #define OMAP_TIMER_ID_OFFSET 0x00 |
| #define OMAP_TIMER_OCP_CFG_OFFSET 0x10 |
| |
| #define OMAP_TIMER_V1_SYS_STAT_OFFSET 0x14 |
| #define OMAP_TIMER_V1_STAT_OFFSET 0x18 |
| #define OMAP_TIMER_V1_INT_EN_OFFSET 0x1c |
| |
| #define OMAP_TIMER_V2_IRQSTATUS_RAW 0x24 |
| #define OMAP_TIMER_V2_IRQSTATUS 0x28 |
| #define OMAP_TIMER_V2_IRQENABLE_SET 0x2c |
| #define OMAP_TIMER_V2_IRQENABLE_CLR 0x30 |
| |
| /* |
| * The functional registers have a different base on v1 and v2 ip. |
| * These registers are offsets from timer->func_base. The func_base |
| * is samae as io_base for v1 and io_base + 0x14 for v2 ip. |
| * |
| */ |
| #define OMAP_TIMER_V2_FUNC_OFFSET 0x14 |
| |
| #define _OMAP_TIMER_WAKEUP_EN_OFFSET 0x20 |
| #define _OMAP_TIMER_CTRL_OFFSET 0x24 |
| #define OMAP_TIMER_CTRL_GPOCFG (1 << 14) |
| #define OMAP_TIMER_CTRL_CAPTMODE (1 << 13) |
| #define OMAP_TIMER_CTRL_PT (1 << 12) |
| #define OMAP_TIMER_CTRL_TCM_LOWTOHIGH (0x1 << 8) |
| #define OMAP_TIMER_CTRL_TCM_HIGHTOLOW (0x2 << 8) |
| #define OMAP_TIMER_CTRL_TCM_BOTHEDGES (0x3 << 8) |
| #define OMAP_TIMER_CTRL_SCPWM (1 << 7) |
| #define OMAP_TIMER_CTRL_CE (1 << 6) /* compare enable */ |
| #define OMAP_TIMER_CTRL_PRE (1 << 5) /* prescaler enable */ |
| #define OMAP_TIMER_CTRL_PTV_SHIFT 2 /* prescaler value shift */ |
| #define OMAP_TIMER_CTRL_POSTED (1 << 2) |
| #define OMAP_TIMER_CTRL_AR (1 << 1) /* auto-reload enable */ |
| #define OMAP_TIMER_CTRL_ST (1 << 0) /* start timer */ |
| #define _OMAP_TIMER_COUNTER_OFFSET 0x28 |
| #define _OMAP_TIMER_LOAD_OFFSET 0x2c |
| #define _OMAP_TIMER_TRIGGER_OFFSET 0x30 |
| #define _OMAP_TIMER_WRITE_PEND_OFFSET 0x34 |
| #define WP_NONE 0 /* no write pending bit */ |
| #define WP_TCLR (1 << 0) |
| #define WP_TCRR (1 << 1) |
| #define WP_TLDR (1 << 2) |
| #define WP_TTGR (1 << 3) |
| #define WP_TMAR (1 << 4) |
| #define WP_TPIR (1 << 5) |
| #define WP_TNIR (1 << 6) |
| #define WP_TCVR (1 << 7) |
| #define WP_TOCR (1 << 8) |
| #define WP_TOWR (1 << 9) |
| #define _OMAP_TIMER_MATCH_OFFSET 0x38 |
| #define _OMAP_TIMER_CAPTURE_OFFSET 0x3c |
| #define _OMAP_TIMER_IF_CTRL_OFFSET 0x40 |
| #define _OMAP_TIMER_CAPTURE2_OFFSET 0x44 /* TCAR2, 34xx only */ |
| #define _OMAP_TIMER_TICK_POS_OFFSET 0x48 /* TPIR, 34xx only */ |
| #define _OMAP_TIMER_TICK_NEG_OFFSET 0x4c /* TNIR, 34xx only */ |
| #define _OMAP_TIMER_TICK_COUNT_OFFSET 0x50 /* TCVR, 34xx only */ |
| #define _OMAP_TIMER_TICK_INT_MASK_SET_OFFSET 0x54 /* TOCR, 34xx only */ |
| #define _OMAP_TIMER_TICK_INT_MASK_COUNT_OFFSET 0x58 /* TOWR, 34xx only */ |
| |
| #endif /* __CLOCKSOURCE_DMTIMER_H */ |
