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FMC TDC 1ns 5cha - Software
Commit 8d4f4e40 authored by Samuel Iglesias Gonsálvez's avatar Samuel Iglesias Gonsálvez
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tdc: remove trailing whitespaces 

Signed-off-by: Samuel Iglesias Gonsálvez's avatarSamuel Iglesias Gonsalvez <siglesias@igalia.com>
parent 49357d4b
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Showing with 36 additions and 37 deletions
drivers/hw/tdc_regs.h
View file @ 8d4f4e40
......@@ -13,8 +13,8 @@
/* Gennum chip register */
#define TDC_PCI_SYS_CFG_SYSTEM 0x800
#define TDC_PCI_CLK_CSR 0x808
#define TDC_PCI_SYS_CFG_SYSTEM 0x800
#define TDC_PCI_CLK_CSR 0x808
/* Gennum core registers for DMA transactions */
......@@ -28,11 +28,11 @@
#define TDC_DMA_NEXT_H_R 0x1C
#define TDC_DMA_ATTRIB_R 0x20
#define TDC_DMA_STAT_IDLE BIT(0)
#define TDC_DMA_STAT_DONE BIT(1)
#define TDC_DMA_STAT_BUSY BIT(2)
#define TDC_DMA_STAT_ERR BIT(3)
#define TDC_DMA_STAT_ABORT BIT(4)
#define TDC_DMA_STAT_IDLE BIT(0)
#define TDC_DMA_STAT_DONE BIT(1)
#define TDC_DMA_STAT_BUSY BIT(2)
#define TDC_DMA_STAT_ERR BIT(3)
#define TDC_DMA_STAT_ABORT BIT(4)
/* ACAM GPX chip registers available */
#define TDC_ACAM_CFG_REG_0 0x20000
......@@ -94,7 +94,7 @@
/* IRQ register*/
#define TDC_IRQ_REG 0xA0000
#define TDC_IRQ_STATUS_REG 0xA0004
#define TDC_IRQ_ENABLE_REG 0xA0008
#define TDC_IRQ_ENABLE_REG 0xA0008
#define TDC_IRQ_GNUM_CORE_0 BIT(0)
#define TDC_IRQ_GNUM_CORE_1 BIT(1)
#define TDC_IRQ_TDC_TSTAMP BIT(2)
......
drivers/tdc-acam.c
View file @ 8d4f4e40
/*
* ACAM support for tdc driver
* ACAM support for tdc driver
*
* Copyright (C) 2012 CERN (http://www.cern.ch)
* Author: Samuel Iglesias Gonsalvez <siglesias@igalia.com>
......
drivers/tdc-core.c
View file @ 8d4f4e40
/*
* core tdc driver
* core tdc driver
*
* Copyright (C) 2012 CERN (http://www.cern.ch)
* Author: Samuel Iglesias Gonsalvez <siglesias@igalia.com>
......@@ -9,7 +9,7 @@
* version 2 as published by the Free Software Foundation.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/kernel.h>
#include <linux/module.h>
......
drivers/tdc-dma.c
View file @ 8d4f4e40
/*
* DMA support for tdc driver
* DMA support for tdc driver
*
* Copyright (C) 2012 CERN (http://www.cern.ch)
* Author: Samuel Iglesias Gonsalvez <siglesias@igalia.com>
......@@ -19,7 +19,7 @@
/*
* tdc_dma_setup -- Setup DMA operation
*
*
* @tdc: pointer to spec_tdc struct of the device
* @src: address to copy the data from (in TDC board)
* @dst: address to copy the data to (in host computer)
......
drivers/tdc-fmc.c
View file @ 8d4f4e40
/*
* FMC support for tdc driver
* FMC support for tdc driver
*
* Copyright (C) 2012 CERN (http://www.cern.ch)
* Author: Samuel Iglesias Gonsalvez <siglesias@igalia.com>
......@@ -9,7 +9,7 @@
* version 2 as published by the Free Software Foundation.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/delay.h>
#include <linux/workqueue.h>
......@@ -39,13 +39,13 @@ static struct fmc_gpio tdc_gpio = {
};
static void tdc_fmc_gennum_setup_local_clock(struct spec_tdc *tdc, int freq)
{
{
unsigned int divot;
unsigned int data;
/* Setup local clock */
divot = 800/freq - 1;
data = 0xE001F00C + (divot << 4);
data = 0xE001F00C + (divot << 4);
writel(data, tdc->gn412x_regs + TDC_PCI_CLK_CSR);
}
......@@ -63,13 +63,13 @@ static int tdc_fmc_check_lost_events(u32 curr_wr_ptr, u32 prev_wr_ptr, int *coun
{
u32 dacapo_prev, dacapo_curr;
int dacapo_diff, ptr_diff = 0;
dacapo_prev = prev_wr_ptr >> 12;
dacapo_curr = curr_wr_ptr >> 12;
curr_wr_ptr &= 0x00fff; /* Pick last 12 bits */
curr_wr_ptr >>= 4; /* Remove last 4 bits. */
curr_wr_ptr >>= 4; /* Remove last 4 bits. */
prev_wr_ptr &= 0x00fff; /* Pick last 12 bits */
prev_wr_ptr >>= 4; /* Remove last 4 bits. */
prev_wr_ptr >>= 4; /* Remove last 4 bits. */
dacapo_diff = dacapo_curr - dacapo_prev;
switch(dacapo_diff) {
......@@ -88,10 +88,10 @@ static int tdc_fmc_check_lost_events(u32 curr_wr_ptr, u32 prev_wr_ptr, int *coun
break;
default:
/* We lost data for sure. Notify to the user */
*count = TDC_EVENT_BUFFER_SIZE;
*count = TDC_EVENT_BUFFER_SIZE;
return 1;
}
return 0;
}
......@@ -103,7 +103,7 @@ static inline int tdc_is_valid_pulse_width(struct tdc_event rising, struct tdc_e
/* Check pulse width from smaller to bigger quantities. */
if (likely(diff > 124)) {
/* Valid pulse width (higher or equal to 100 ns) */
return 1;
return 1;
}
else {
diff = falling.coarse_time - rising.coarse_time;
......@@ -142,7 +142,7 @@ static void tdc_fmc_irq_work(struct work_struct *work)
curr_wr_ptr = tdc_get_circular_buffer_wr_pointer(tdc);
if(curr_wr_ptr == tdc->wr_pointer)
goto dma_out; /* No new events happened */
goto dma_out; /* No new events happened */
prev_wr_ptr = tdc->wr_pointer;
ret = tdc_dma_setup(tdc, 0, (unsigned long)events,
......@@ -185,7 +185,7 @@ static void tdc_fmc_irq_work(struct work_struct *work)
rd_ptr = (curr_wr_ptr >> 4) & 0x000ff; /* The oldest is curr_wr_ptr */
else
rd_ptr = (prev_wr_ptr >> 4) & 0x000ff; /* The oldest is prev_wr_ptr */
for ( ; count > 0; count--) {
tmp_data = &events[rd_ptr];
/* Check which channel to deliver the data */
......@@ -197,7 +197,7 @@ static void tdc_fmc_irq_work(struct work_struct *work)
/* Copy the data as it is a rising edge one */
tdc->event[chan].data = *tmp_data;
else {
/* Check pulse width using the falling edge event */
if(tdc_is_valid_pulse_width(tdc->event[chan].data,
*tmp_data)) {
......@@ -221,7 +221,7 @@ irqreturn_t tdc_fmc_irq_handler(int irq, void *dev_id)
/* Check the source of the interrupt */
irq_code = readl(fmc->base + TDC_IRQ_STATUS_REG);
/* Tstamp threshold or time threshold */
if((irq_code & TDC_IRQ_TDC_TSTAMP) ||
(irq_code & TDC_IRQ_TDC_TIME_THRESH)) {
......@@ -330,12 +330,12 @@ int tdc_fmc_probe(struct fmc_device *dev)
/* Setup GPIO to have IRQ */
dev->op->gpio_config(dev, &tdc_gpio, 1);
/* Clear IRQ */
writel(0xF, tdc->base + TDC_IRQ_STATUS_REG);
writel(0xF, tdc->base + TDC_IRQ_STATUS_REG);
/* Request the IRQ */
dev->op->irq_request(dev, tdc_fmc_irq_handler, "spec-tdc", IRQF_SHARED);
/* Enable IRQ */
writel(0xF, tdc->base + TDC_IRQ_ENABLE_REG);
return tdc_zio_register_device(tdc);
}
......
drivers/tdc-zio.c
View file @ 8d4f4e40
/*
* ZIO support for tdc driver
* ZIO support for tdc driver
*
* Copyright (C) 2012 CERN (http://www.cern.ch)
* Author: Samuel Iglesias Gonsalvez <siglesias@igalia.com>
......@@ -9,7 +9,7 @@
* version 2 as published by the Free Software Foundation.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/kernel.h>
#include <linux/module.h>
......@@ -280,9 +280,9 @@ static struct zio_driver tdc_zdrv = {
/* Copied from zio-sys.c. This works because ZIO only supports one children */
static int __tdc_match_child(struct device *dev, void *data)
{
// if (dev->type == &zobj_device_type)
return 1;
// return 0;
// if (dev->type == &zobj_device_type)
return 1;
// return 0;
}
int tdc_zio_register_device(struct spec_tdc *tdc)
......@@ -311,8 +311,8 @@ int tdc_zio_register_device(struct spec_tdc *tdc)
}
dev = device_find_child(&tdc->hwzdev->head.dev, NULL, __tdc_match_child);
if (!dev) {
dev_err(&tdc->spec->pdev->dev, "Child device not found!!\n");
if (!dev) {
dev_err(&tdc->spec->pdev->dev, "Child device not found!!\n");
return -ENODEV;
}
tdc->zdev = to_zio_dev(dev);
......@@ -335,4 +335,3 @@ void tdc_zio_exit(void)
{
zio_unregister_driver(&tdc_zdrv);
}
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