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functions
else if (pchRcvDataFrame[iDataIdx] == MSG2AP_INST_DEBUG_DATA) { iSensorData = print_mcu_debug(pchRcvDataFrame + iDataIdx+1, &iDataIdx, iLength); if (iSensorData) { pr_err("[SSP]: %s - Mcu data frame3 error %d\n", __func__, iSensorData); kfree(sensorsdata); return ERROR; }
functions
else if (pchRcvDataFrame[iDataIdx] == MSG2AP_INST_LIBRARY_DATA) { ssp_sensorhub_handle_data(data, pchRcvDataFrame, iDataIdx, iLength); break; #endif }
functions
void initialize_function_pointer(struct ssp_data *data) { data->get_sensor_data[ACCELEROMETER_SENSOR] = get_3axis_sensordata; data->get_sensor_data[GYROSCOPE_SENSOR] = get_3axis_sensordata; data->get_sensor_data[GEOMAGNETIC_SENSOR] = get_3axis_sensordata; data->get_sensor_data[PRESSURE_SENSOR] = get_pressure_sensor...
includes
#include <linux/kernel.h>
includes
#include <linux/module.h>
includes
#include <linux/i2c.h>
includes
#include <linux/init.h>
includes
#include <linux/time.h>
includes
#include <linux/interrupt.h>
includes
#include <linux/delay.h>
includes
#include <linux/errno.h>
includes
#include <linux/err.h>
includes
#include <linux/platform_device.h>
includes
#include <linux/clk.h>
includes
#include <linux/cpufreq.h>
includes
#include <linux/slab.h>
includes
#include <linux/io.h>
includes
#include <asm/irq.h>
includes
#include <plat/regs-iic.h>
includes
#include <plat/iic.h>
defines
#define freq_to_i2c(_n) container_of(_n, struct s3c24xx_i2c, freq_transition)
defines
#define S3C24XX_DEV_PM_OPS (&s3c24xx_i2c_dev_pm_ops)
defines
#define S3C24XX_DEV_PM_OPS NULL
structs
struct s3c24xx_i2c { spinlock_t lock; wait_queue_head_t wait; unsigned int suspended:1; struct i2c_msg *msg; unsigned int msg_num; unsigned int msg_idx; unsigned int msg_ptr; unsigned int tx_setup; unsigned int irq; enum s3c24xx_i2c_state state; unsigned long clkrate; void __iomem *regs; stru...
functions
int s3c24xx_i2c_is2440(struct s3c24xx_i2c *i2c) { struct platform_device *pdev = to_platform_device(i2c->dev); enum s3c24xx_i2c_type type; type = platform_get_device_id(pdev)->driver_data; return type == TYPE_S3C2440 || type == TYPE_S3C2440_HDMIPHY; }
functions
int s3c24xx_i2c_is2440_hdmiphy(struct s3c24xx_i2c *i2c) { struct platform_device *pdev = to_platform_device(i2c->dev); enum s3c24xx_i2c_type type; type = platform_get_device_id(pdev)->driver_data; return type == TYPE_S3C2440_HDMIPHY; }
functions
void s3c24xx_i2c_master_complete(struct s3c24xx_i2c *i2c, int ret) { dev_dbg(i2c->dev, "master_complete %d\n", ret); i2c->msg_ptr = 0; i2c->msg = NULL; i2c->msg_idx++; i2c->msg_num = 0; if (ret) i2c->msg_idx = ret; wake_up(&i2c->wait); }
functions
void s3c24xx_i2c_disable_ack(struct s3c24xx_i2c *i2c) { unsigned long tmp; tmp = readl(i2c->regs + S3C2410_IICCON); writel(tmp & ~S3C2410_IICCON_ACKEN, i2c->regs + S3C2410_IICCON); }
functions
void s3c24xx_i2c_enable_ack(struct s3c24xx_i2c *i2c) { unsigned long tmp; tmp = readl(i2c->regs + S3C2410_IICCON); writel(tmp | S3C2410_IICCON_ACKEN, i2c->regs + S3C2410_IICCON); }
functions
void s3c24xx_i2c_disable_irq(struct s3c24xx_i2c *i2c) { unsigned long tmp; tmp = readl(i2c->regs + S3C2410_IICCON); writel(tmp & ~S3C2410_IICCON_IRQEN, i2c->regs + S3C2410_IICCON); }
functions
void s3c24xx_i2c_enable_irq(struct s3c24xx_i2c *i2c) { unsigned long tmp; tmp = readl(i2c->regs + S3C2410_IICCON); writel(tmp | S3C2410_IICCON_IRQEN, i2c->regs + S3C2410_IICCON); }
functions
void s3c24xx_i2c_message_start(struct s3c24xx_i2c *i2c, struct i2c_msg *msg) { unsigned int addr = (msg->addr & 0x7f) << 1; unsigned long stat; unsigned long iiccon; stat = 0; stat |= S3C2410_IICSTAT_TXRXEN; if (msg->flags & I2C_M_RD) { stat |= S3C2410_IICSTAT_MASTER_RX; addr |= 1; }
functions
void s3c24xx_i2c_stop(struct s3c24xx_i2c *i2c, int ret) { unsigned long iicstat = readl(i2c->regs + S3C2410_IICSTAT); dev_dbg(i2c->dev, "STOP\n"); /* stop the transfer */ iicstat &= ~S3C2410_IICSTAT_START; writel(iicstat, i2c->regs + S3C2410_IICSTAT); i2c->state = STATE_STOP; s3c24xx_i2c_master_complete(i2c,...
functions
int is_lastmsg(struct s3c24xx_i2c *i2c) { return i2c->msg_idx >= (i2c->msg_num - 1); }
functions
int is_msglast(struct s3c24xx_i2c *i2c) { return i2c->msg_ptr == i2c->msg->len-1; }
functions
int is_msgend(struct s3c24xx_i2c *i2c) { return i2c->msg_ptr >= i2c->msg->len; }
functions
int i2c_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat) { unsigned long tmp; unsigned char byte; int ret = 0; switch (i2c->state) { case STATE_IDLE: dev_err(i2c->dev, "%s: called in STATE_IDLE\n", __func__); goto out; case STATE_STOP: dev_err(i2c->dev, "%s: called in STATE_STOP\n", __fun...
functions
irqreturn_t s3c24xx_i2c_irq(int irqno, void *dev_id) { struct s3c24xx_i2c *i2c = dev_id; unsigned long status; unsigned long tmp; status = readl(i2c->regs + S3C2410_IICSTAT); if (status & S3C2410_IICSTAT_ARBITR) { /* deal with arbitration loss */ dev_err(i2c->dev, "deal with arbitration loss\n"); }
functions
int s3c24xx_i2c_set_master(struct s3c24xx_i2c *i2c) { unsigned long iicstat; int timeout = 400; /* if hang-up of HDMIPHY occured reduce timeout * The controller will work after reset, so waiting * 400 ms will cause unneccessary system hangup */ if (s3c24xx_i2c_is2440_hdmiphy(i2c)) timeout = 10; while (ti...
functions
int s3c24xx_i2c_doxfer(struct s3c24xx_i2c *i2c, struct i2c_msg *msgs, int num) { unsigned long iicstat, timeout; int spins = 20; int ret; if (i2c->suspended) return -EIO; ret = s3c24xx_i2c_set_master(i2c); if (ret != 0) { dev_err(i2c->dev, "cannot get bus (error %d)\n", ret); ret = -EAGAIN; got...
functions
int s3c24xx_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) { struct s3c24xx_i2c *i2c = (struct s3c24xx_i2c *)adap->algo_data; int retry; int ret; clk_enable(i2c->clk); for (retry = 0; retry < adap->retries; retry++) { ret = s3c24xx_i2c_doxfer(i2c, msgs, num); if (ret != -EAGAIN) { ...
functions
u32 s3c24xx_i2c_func(struct i2c_adapter *adap) { return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL | I2C_FUNC_PROTOCOL_MANGLING; }
functions
int s3c24xx_i2c_calcdivisor(unsigned long clkin, unsigned int wanted, unsigned int *div1, unsigned int *divs) { unsigned int calc_divs = clkin / wanted; unsigned int calc_div1; if (calc_divs > (16*16)) calc_div1 = 512; else calc_div1 = 16; calc_divs += calc_div1-1; calc_divs /= calc_div1; if (calc_...
functions
int s3c24xx_i2c_clockrate(struct s3c24xx_i2c *i2c, unsigned int *got) { struct s3c2410_platform_i2c *pdata = i2c->dev->platform_data; unsigned long clkin = clk_get_rate(i2c->clk); unsigned int divs, div1; unsigned long target_frequency; u32 iiccon; int freq; i2c->clkrate = clkin; clkin /= 1000; /* clkin now i...
functions
int s3c24xx_i2c_cpufreq_transition(struct notifier_block *nb, unsigned long val, void *data) { struct s3c24xx_i2c *i2c = freq_to_i2c(nb); unsigned long flags; unsigned int got; int delta_f; int ret; delta_f = clk_get_rate(i2c->clk) - i2c->clkrate; /* if we're post-change and the input clock has slowed d...
functions
int s3c24xx_i2c_register_cpufreq(struct s3c24xx_i2c *i2c) { i2c->freq_transition.notifier_call = s3c24xx_i2c_cpufreq_transition; return cpufreq_register_notifier(&i2c->freq_transition, CPUFREQ_TRANSITION_NOTIFIER); }
functions
void s3c24xx_i2c_deregister_cpufreq(struct s3c24xx_i2c *i2c) { cpufreq_unregister_notifier(&i2c->freq_transition, CPUFREQ_TRANSITION_NOTIFIER); }
functions
int s3c24xx_i2c_register_cpufreq(struct s3c24xx_i2c *i2c) { return 0; }
functions
void s3c24xx_i2c_deregister_cpufreq(struct s3c24xx_i2c *i2c) { }
functions
int s3c24xx_i2c_init(struct s3c24xx_i2c *i2c) { unsigned long iicon = S3C2410_IICCON_IRQEN | S3C2410_IICCON_ACKEN; struct s3c2410_platform_i2c *pdata; unsigned int freq; /* get the plafrom data */ pdata = i2c->dev->platform_data; /* inititalise the gpio */ if (pdata->cfg_gpio) pdata->cfg_gpio(to_platform_d...
functions
int wait_for_i2c_idle(struct platform_device *pdev) { struct s3c24xx_i2c *i2c = platform_get_drvdata(pdev); unsigned long iicstat; int timeout = 400; printk("[zsb] i2c->regs : 0x%x\n", i2c->regs); while (timeout-- > 0) { iicstat = readl(i2c->regs + S3C2410_IICSTAT); if (!(iicstat & S3C2410_IICSTAT_BUSBUSY...
functions
int s3c24xx_i2c_probe(struct platform_device *pdev) { struct s3c24xx_i2c *i2c; struct s3c2410_platform_i2c *pdata; struct resource *res; int ret; pdata = pdev->dev.platform_data; if (!pdata) { dev_err(&pdev->dev, "no platform data\n"); return -EINVAL; }
functions
int s3c24xx_i2c_remove(struct platform_device *pdev) { struct s3c24xx_i2c *i2c = platform_get_drvdata(pdev); s3c24xx_i2c_deregister_cpufreq(i2c); i2c_del_adapter(&i2c->adap); free_irq(i2c->irq, i2c); clk_disable(i2c->clk); clk_put(i2c->clk); iounmap(i2c->regs); release_resource(i2c->ioarea); kfree(i2c->io...
functions
int s3c24xx_i2c_suspend_noirq(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); struct s3c24xx_i2c *i2c = platform_get_drvdata(pdev); i2c->suspended = 1; return 0; }
functions
int s3c24xx_i2c_resume(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); struct s3c24xx_i2c *i2c = platform_get_drvdata(pdev); i2c->suspended = 0; clk_enable(i2c->clk); s3c24xx_i2c_init(i2c); clk_disable(i2c->clk); return 0; }
functions
__init i2c_adap_s3c_init(void) { return platform_driver_register(&s3c24xx_i2c_driver); }
functions
__exit i2c_adap_s3c_exit(void) { platform_driver_unregister(&s3c24xx_i2c_driver); }
includes
#include <linux/kernel.h>
includes
#include <linux/module.h>
includes
#include <linux/types.h>
includes
#include <linux/fs.h>
includes
#include <linux/errno.h>
includes
#include <linux/init.h>
includes
#include <linux/miscdevice.h>
includes
#include <linux/watchdog.h>
includes
#include <linux/of.h>
includes
#include <linux/of_device.h>
includes
#include <linux/io.h>
includes
#include <linux/uaccess.h>
includes
#include <linux/slab.h>
defines
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
defines
#define DRIVER_NAME "riowd"
defines
#define PFX DRIVER_NAME ": "
defines
#define WDTO_INDEX 0x05
structs
struct riowd { void __iomem *regs; spinlock_t lock; };
functions
void riowd_writereg(struct riowd *p, u8 val, int index) { unsigned long flags; spin_lock_irqsave(&p->lock, flags); writeb(index, p->regs + 0); writeb(val, p->regs + 1); spin_unlock_irqrestore(&p->lock, flags); }
functions
int riowd_open(struct inode *inode, struct file *filp) { nonseekable_open(inode, filp); return 0; }
functions
int riowd_release(struct inode *inode, struct file *filp) { return 0; }
functions
long riowd_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) { static const struct watchdog_info info = { .options = WDIOF_SETTIMEOUT, .firmware_version = 1, .identity = DRIVER_NAME, }
functions
ssize_t riowd_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos) { struct riowd *p = riowd_device; if (count) { riowd_writereg(p, riowd_timeout, WDTO_INDEX); return 1; }
functions
__devinit riowd_probe(struct platform_device *op) { struct riowd *p; int err = -EINVAL; if (riowd_device) goto out; err = -ENOMEM; p = kzalloc(sizeof(*p), GFP_KERNEL); if (!p) goto out; spin_lock_init(&p->lock); p->regs = of_ioremap(&op->resource[0], 0, 2, DRIVER_NAME); if (!p->regs) { pr_err("Cannot...
functions
__devexit riowd_remove(struct platform_device *op) { struct riowd *p = dev_get_drvdata(&op->dev); misc_deregister(&riowd_miscdev); of_iounmap(&op->resource[0], p->regs, 2); kfree(p); return 0; }
includes
#include <sys/types.h>
includes
#include <sys/socket.h>
includes
#include <sys/ioctl.h>
includes
#include <netinet/in.h>
includes
#include <unistd.h>
includes
#include <string.h>
includes
#include <arpa/inet.h>
includes
#include <net/if.h>
includes
#include <errno.h>
includes
#include <features.h>
includes
#include <netpacket/packet.h>
includes
#include <net/ethernet.h>
includes
#include <asm/types.h>
includes
#include <linux/if_packet.h>
includes
#include <linux/if_ether.h>
functions
int read_interface(char *interface, int *ifindex, u_int32_t *addr, unsigned char *arp) { int fd; struct ifreq ifr; struct sockaddr_in *our_ip; memset(&ifr, 0, sizeof(struct ifreq)); if((fd = socket(AF_INET, SOCK_RAW, IPPROTO_RAW)) >= 0) { ifr.ifr_addr.sa_family = AF_INET; strcpy(ifr.ifr_name, interface); i...
functions
int listen_socket(unsigned int ip, int port, char *inf) { struct ifreq interface; int fd; struct sockaddr_in addr; int n = 1; DEBUG(LOG_INFO, "Opening listen socket on 0x%08x:%d %s\n", ip, port, inf); if ((fd = socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0) { DEBUG(LOG_ERR, "socket call failed: %s", strerror(e...
functions
int raw_socket(int ifindex) { int fd; struct sockaddr_ll sock; DEBUG(LOG_INFO, "Opening raw socket on ifindex %d\n", ifindex); if ((fd = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_IP))) < 0) { DEBUG(LOG_ERR, "socket call failed: %s", strerror(errno)); return -1; }