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| ******************************************************************************/ |
| |
| #include <linux/poll.h> |
| #include <linux/miscdevice.h> |
| #include <linux/slab.h> |
| #include "vpapi_dev.h" |
| |
| /* Defines */ |
| #define GET_DEV_STATUS(deviceId) vpapi_dev_status[deviceId] |
| #define GET_LINE_STATUS(lineId) vpapi_line_status[lineId] |
| #define REGISTER_DEVICE(deviceId) \ |
| vpapi_dev_status[deviceId] = 1; |
| #define REGISTER_LINE(lineId) \ |
| vpapi_line_status[lineId] = 1; |
| |
| #define MAX_PROFILE_SIZE 128 |
| #define GET_DEVICE(lineId) (lineId/MAX_LINES_PER_DEVICE) |
| #define GET_LINE(lineId) (lineId % MAX_LINES_PER_DEVICE) |
| #define MAX_EVENT_QUEUE_SIZE 256 |
| #define VPAPI_TICK_TIMER_PERIOD 1 |
| #define VPAPI_MOD_NAME "vpapi" |
| |
| /* VE880 */ |
| #if defined(CONFIG_ZARLINK_SLIC_VE880) |
| |
| #define MAX_DEVICES 2 |
| #define MAX_LINES 4 |
| #define MAX_LINES_PER_DEVICE 2 |
| |
| static VpDevCtxType pDevCtx[MAX_DEVICES]; |
| static VpLineCtxType pLineCtx[MAX_DEVICES][MAX_LINES_PER_DEVICE]; |
| static Vp880DeviceObjectType pDevObj[MAX_DEVICES]; |
| static Vp880LineObjectType pLineObj[MAX_DEVICES][MAX_LINES_PER_DEVICE]; |
| |
| /* VE890 */ |
| #elif defined(CONFIG_ZARLINK_SLIC_VE890) |
| |
| #define MAX_DEVICES 1 |
| #define MAX_LINES 1 |
| #define MAX_LINES_PER_DEVICE 1 |
| |
| static VpDevCtxType pDevCtx[MAX_DEVICES]; |
| static VpLineCtxType pLineCtx[MAX_DEVICES][MAX_LINES_PER_DEVICE]; |
| static Vp890DeviceObjectType pDevObj[MAX_DEVICES]; |
| static Vp890LineObjectType pLineObj[MAX_DEVICES][MAX_LINES_PER_DEVICE]; |
| |
| /* VE792 */ |
| #elif defined(CONFIG_ZARLINK_SLIC_VE792) |
| |
| #define MAX_DEVICES 4 |
| #define MAX_LINES 32 |
| #define MAX_LINES_PER_DEVICE 8 |
| |
| static VpDevCtxType pDevCtx[MAX_DEVICES]; |
| static VpLineCtxType pLineCtx[MAX_DEVICES][MAX_LINES_PER_DEVICE]; |
| static Vp792DeviceObjectType pDevObj[MAX_DEVICES]; |
| static Vp792LineObjectType pLineObj[MAX_DEVICES][MAX_LINES_PER_DEVICE]; |
| |
| extern int BattOn(int vbhSetting, int vblSetting, int vbpSetting); |
| extern int BattOff(void); |
| |
| #endif |
| |
| static void vpapi_tick_handler(unsigned long data); |
| static ssize_t vpapi_read(struct file *file, char __user *buf, size_t size, loff_t * ppos); |
| static ssize_t vpapi_write(struct file *file, const char __user *buf, size_t size, loff_t * ppos); |
| static unsigned int vpapi_poll(struct file *pFile, poll_table *pPollTable); |
| static int vpapi_ioctl(struct inode *pInode, struct file *pFile, unsigned int cmd, unsigned long arg); |
| static int vpapi_open(struct inode *pInode, struct file *pFile); |
| static int vpapi_release(struct inode *pInode, struct file *pFile); |
| //static int __init vpapi_module_init(void); |
| //static void __exit vpapi_module_exit(void); |
| |
| /* VP-API-II Dispatchers */ |
| static int vpapi_make_dev_object(unsigned long arg); |
| static int vpapi_make_line_object(unsigned long arg); |
| static int vpapi_map_line_id(unsigned long arg); |
| static int vpapi_map_slac_id(unsigned long arg); |
| static int vpapi_free_line_context(unsigned long arg); |
| static int vpapi_init_device(unsigned long arg); |
| static int vpapi_cal_line(unsigned long arg); |
| static int vpapi_set_line_state(unsigned long arg); |
| static int vpapi_set_option(unsigned long arg); |
| int vpapi_get_event(unsigned long arg); |
| #if defined(CONFIG_ZARLINK_SLIC_VE792) |
| static int vpapi_batt_on(unsigned long arg); |
| static int vpapi_batt_off(unsigned long arg); |
| #endif |
| #if defined(CONFIG_ZARLINK_SLIC_VE880) |
| static int vpapi_reg_read(unsigned long arg); |
| static int vpapi_reg_write(unsigned long arg); |
| #endif |
| |
| /* Enumurators */ |
| typedef struct { |
| unsigned char valid; /* valid event */ |
| VpEventType vp_event; |
| } vpapi_event; |
| |
| |
| /* Structs */ |
| static struct file_operations vpapi_fops = { |
| owner: THIS_MODULE, |
| llseek: NULL, |
| read: vpapi_read, |
| write: vpapi_write, |
| poll: vpapi_poll, |
| ioctl: vpapi_ioctl, |
| open: vpapi_open, |
| release: vpapi_release, |
| fasync: NULL |
| }; |
| |
| /* Globals */ |
| static DEFINE_SPINLOCK(vpapi_lock); |
| static DECLARE_WAIT_QUEUE_HEAD(vpapi_wait); |
| static atomic_t event_count; |
| static atomic_t vpapi_init; |
| static atomic_t vpapi_in_ioctl; |
| static vpapi_event event_queue[MAX_EVENT_QUEUE_SIZE]; |
| static u8 vpapi_dev_status[MAX_DEVICES]; |
| static u8 vpapi_line_status[MAX_LINES]; |
| static volatile u32 next_event = 0, curr_event = 0; |
| static struct timer_list vpapi_timer; |
| static u16 total_devs = 0, total_lines = 0; |
| |
| |
| static struct miscdevice vpapi_misc_dev = { |
| .minor = SLICDEV_MINOR, |
| .name = VPAPI_MOD_NAME, |
| .fops = &vpapi_fops, |
| }; |
| |
| static ssize_t vpapi_read(struct file *file, char __user *buf, size_t size, loff_t * ppos) |
| { |
| return 0; |
| } |
| |
| static ssize_t vpapi_write(struct file *file, const char __user *buf, size_t size, loff_t * ppos) |
| { |
| return 0; |
| } |
| |
| static unsigned int vpapi_poll(struct file *pFile, poll_table *pPollTable) |
| { |
| int mask = 0; |
| |
| poll_wait(pFile, &vpapi_wait, pPollTable); |
| |
| if(atomic_read(&event_count) > 0) { |
| mask |= POLLPRI; |
| } |
| |
| return mask; |
| } |
| |
| static int vpapi_ioctl(struct inode *pInode, struct file *pFile, unsigned int cmd, unsigned long arg) |
| { |
| int ret = 0; |
| |
| /* Argument checking */ |
| if (_IOC_TYPE(cmd) != VPAPI_MOD_IOCTL_MAGIC) { |
| printk("%s: invalid VPAPI MOD Magic Num %i %i\n", __func__, _IOC_TYPE(cmd), VPAPI_MOD_IOCTL_MAGIC); |
| return -ENOTTY; |
| } |
| |
| if ((_IOC_NR(cmd) > VPAPI_MOD_IOCTL_MAX) || (_IOC_NR(cmd) < VPAPI_MOD_IOCTL_MIN)) { |
| printk("%s: invalid VPAPI MOD IOCTL request\n", __func__); |
| return -ENOTTY; |
| } |
| |
| if (_IOC_DIR(cmd) & _IOC_READ) { |
| ret = !access_ok(VERIFY_WRITE, (void __user*)arg, _IOC_SIZE(cmd)); |
| } |
| else if (_IOC_DIR(cmd) & _IOC_WRITE) { |
| ret = !access_ok(VERIFY_READ, (void __user*)arg, _IOC_SIZE(cmd)); |
| } |
| |
| if (ret) { |
| printk("%s: invalid VPAPI MOD access type %i from cmd %i\n", __func__, _IOC_DIR(cmd), cmd); |
| return -EFAULT; |
| } |
| |
| #if defined(SLIC_TIMER_EVENT_SUPPORT) |
| /* Disable timer routine processing */ |
| atomic_set(&vpapi_in_ioctl, 1); |
| #endif |
| |
| switch (cmd) { |
| case VPAPI_MOD_IOX_MK_DEV_OBJ: |
| //printk("ioctl: VPAPI_MOD_IOX_MK_DEV_OBJ\n"); |
| ret = vpapi_make_dev_object(arg); |
| break; |
| |
| case VPAPI_MOD_IOX_MK_LN_OBJ: |
| //printk("ioctl: VPAPI_MOD_IOX_MK_LN_OBJ\n"); |
| ret = vpapi_make_line_object(arg); |
| break; |
| |
| case VPAPI_MOD_IOX_MAP_LN_ID: |
| //printk("ioctl: VPAPI_MOD_IOX_MAP_LN_ID\n"); |
| ret = vpapi_map_line_id(arg); |
| break; |
| |
| case VPAPI_MOD_IOX_MAP_SLAC_ID: |
| //printk("ioctl: VPAPI_MOD_IOX_MAP_SLAC_ID\n"); |
| ret = vpapi_map_slac_id(arg); |
| break; |
| |
| case VPAPI_MOD_IOX_FREE_LN_CTX: |
| //printk("ioctl: VPAPI_MOD_IOX_FREE_LN_CTX\n"); |
| ret = vpapi_free_line_context(arg); |
| break; |
| |
| case VPAPI_MOD_IOX_INIT_DEV: |
| //printk("ioctl: VPAPI_MOD_IOX_INIT_DEV\n"); |
| ret = vpapi_init_device(arg); |
| break; |
| |
| case VPAPI_MOD_IOX_CAL_LN: |
| //printk("ioctl: VPAPI_MOD_IOX_CAL_LN\n"); |
| ret = vpapi_cal_line(arg); |
| break; |
| |
| case VPAPI_MOD_IOX_SET_LN_ST: |
| //printk("ioctl: VPAPI_MOD_IOX_SET_LN_ST\n"); |
| ret = vpapi_set_line_state(arg); |
| break; |
| |
| case VPAPI_MOD_IOX_SET_OPTION: |
| //printk("ioctl: VPAPI_MOD_IOX_SET_OPTION\n"); |
| ret = vpapi_set_option(arg); |
| break; |
| |
| case VPAPI_MOD_IOX_GET_EVENT: |
| //printk("ioctl: VPAPI_MOD_IOX_GET_EVENT\n"); |
| ret = vpapi_get_event(arg); |
| break; |
| |
| #if defined(CONFIG_ZARLINK_SLIC_VE792) |
| case VPAPI_MOD_IOX_BATT_ON: |
| //printk("ioctl: VPAPI_MOD_IOX_BATT_ON\n"); |
| ret = vpapi_batt_on(arg); |
| break; |
| |
| case VPAPI_MOD_IOX_BATT_OFF: |
| //printk("ioctl: VPAPI_MOD_IOX_BATT_OFF\n"); |
| ret = vpapi_batt_off(arg); |
| break; |
| #endif |
| #if defined(CONFIG_ZARLINK_SLIC_VE880) |
| case VPAPI_MOD_IOX_REG_READ: |
| ret = vpapi_reg_read(arg); |
| break; |
| |
| case VPAPI_MOD_IOX_REG_WRITE: |
| ret = vpapi_reg_write(arg); |
| break; |
| #endif |
| default: |
| printk("%s: error, ioctl command(0x%x) not supported !!!\n", __func__, cmd); |
| ret = -EFAULT; |
| break; |
| } |
| |
| #if defined(SLIC_TIMER_EVENT_SUPPORT) |
| /* Enable timer routine processing */ |
| atomic_set(&vpapi_in_ioctl, 0); |
| #endif |
| |
| return ret; |
| } |
| |
| static int vpapi_make_dev_object(unsigned long arg) |
| { |
| VpApiModMkDevObjType data; |
| VpDeviceType deviceType; |
| VpDeviceIdType deviceId; |
| |
| /* Get user data */ |
| if(copy_from_user(&data, (void*)arg, sizeof(VpApiModMkDevObjType))) { |
| printk("%s: copy_from_user failed\n", __func__); |
| return -EFAULT; |
| } |
| |
| deviceType = data.deviceType; |
| deviceId = data.deviceId; |
| |
| data.status = VpMakeDeviceObject(deviceType, deviceId, &pDevCtx[deviceId], &pDevObj[deviceId]); |
| |
| /* Copy status back to user */ |
| if(copy_to_user((void*)arg, &data, sizeof(VpApiModMkDevObjType))) { |
| printk("%s: copy_to_user failed\n", __func__); |
| return -EFAULT; |
| } |
| |
| return 0; |
| } |
| |
| static int vpapi_make_line_object(unsigned long arg) |
| { |
| VpApiModMkLnObjType data; |
| VpTermType termType; |
| VpLineIdType lineId; |
| VpDeviceIdType deviceId; |
| |
| /* Get user data */ |
| if(copy_from_user(&data, (void*)arg, sizeof(VpApiModMkLnObjType))) { |
| printk("%s: copy_from_user failed\n", __func__); |
| return -EFAULT; |
| } |
| |
| termType = data.termType; |
| lineId = GET_LINE(data.lineId); |
| deviceId = GET_DEVICE(data.lineId); |
| |
| data.status = VpMakeLineObject(termType, lineId, &pLineCtx[deviceId][lineId], |
| &pLineObj[deviceId][lineId], &pDevCtx[deviceId]); |
| |
| /* Copy status back to user */ |
| if(copy_to_user((void*)arg, &data, sizeof(VpApiModMkLnObjType))) { |
| printk("%s: copy_to_user failed\n", __func__); |
| return -EFAULT; |
| } |
| |
| |
| return 0; |
| } |
| |
| static int vpapi_map_line_id(unsigned long arg) |
| { |
| VpApiModMapLnIdType data; |
| VpLineIdType lineId; |
| VpDeviceIdType deviceId; |
| |
| /* Get user data */ |
| if(copy_from_user(&data, (void*)arg, sizeof(VpApiModMapLnIdType))) { |
| printk("%s: copy_from_user failed\n", __func__); |
| return -EFAULT; |
| } |
| |
| lineId = GET_LINE(data.lineId); |
| deviceId = GET_DEVICE(data.lineId); |
| |
| data.status = VpMapLineId(&pLineCtx[deviceId][lineId], data.lineId); |
| |
| /* Copy status back to user */ |
| if(copy_to_user((void*)arg, &data, sizeof(VpApiModMapLnIdType))) { |
| printk("%s: copy_to_user failed\n", __func__); |
| return -EFAULT; |
| } |
| |
| return 0; |
| } |
| |
| static int vpapi_map_slac_id(unsigned long arg) |
| { |
| VpApiModMapSlacIdType data; |
| VpDeviceIdType deviceId; |
| u8 slacId; |
| |
| /* Get user data */ |
| if(copy_from_user(&data, (void*)arg, sizeof(VpApiModMapSlacIdType))) { |
| printk("%s: copy_from_user failed\n", __func__); |
| return -EFAULT; |
| } |
| |
| deviceId = data.deviceId; |
| slacId = data.slacId; |
| #if defined(CONFIG_ZARLINK_SLIC_VE792) |
| data.status = VpMapSlacId(&pDevCtx[deviceId], slacId); |
| #endif |
| /* Copy status back to user */ |
| if(copy_to_user((void*)arg, &data, sizeof(VpApiModMapSlacIdType))) { |
| printk("%s: copy_to_user failed\n", __func__); |
| return -EFAULT; |
| } |
| |
| return 0; |
| |
| } |
| |
| static int vpapi_free_line_context(unsigned long arg) |
| { |
| VpApiModFreeLnCtxType data; |
| VpLineIdType lineId; |
| VpDeviceIdType deviceId; |
| |
| /* Get user data */ |
| if(copy_from_user(&data, (void*)arg, sizeof(VpApiModFreeLnCtxType))) { |
| printk("%s: copy_from_user failed\n", __func__); |
| return -EFAULT; |
| } |
| |
| lineId = GET_LINE(data.lineId); |
| deviceId = GET_DEVICE(data.lineId); |
| |
| data.status = VpFreeLineCtx(&pLineCtx[deviceId][lineId]); |
| |
| if(data.status == VP_STATUS_SUCCESS) { |
| vpapi_line_status[data.lineId] = 0; |
| total_lines--; |
| #if defined(SLIC_TIMER_EVENT_SUPPORT) |
| if(total_lines == 0) { |
| atomic_set(&vpapi_init, 0); |
| del_timer(&vpapi_timer); |
| } |
| #endif |
| } |
| |
| /* Copy status back to user */ |
| if(copy_to_user((void*)arg, &data, sizeof(VpApiModFreeLnCtxType))) { |
| printk("%s: copy_to_user failed\n", __func__); |
| return -EFAULT; |
| } |
| |
| return 0; |
| } |
| |
| static int vpapi_init_device(unsigned long arg) |
| { |
| VpApiModInitDeviceType data; |
| VpDeviceIdType deviceId; |
| VpProfileDataType devProfile[MAX_PROFILE_SIZE]; |
| VpProfileDataType acProfile[MAX_PROFILE_SIZE]; |
| VpProfileDataType dcProfile[MAX_PROFILE_SIZE]; |
| VpProfileDataType ringProfile[MAX_PROFILE_SIZE]; |
| VpProfileDataType fxoAcProfile[MAX_PROFILE_SIZE]; |
| VpProfileDataType fxoCfgProfile[MAX_PROFILE_SIZE]; |
| VpProfilePtrType pDevProfile = NULL, pAcProfile = NULL; |
| VpProfilePtrType pDcProfile = NULL, pRingProfile = NULL; |
| VpProfilePtrType pFxoAcProfile = NULL, pFxoCfgProfile = NULL; |
| u16 devProfileSize, acProfileSize, dcProfileSize; |
| u16 ringProfileSize, fxoAcProfileSize, fxoCfgProfileSize; |
| |
| /* Get user data */ |
| if(copy_from_user(&data, (void*)arg, sizeof(VpApiModInitDeviceType))) { |
| printk("%s: copy_from_user failed\n", __func__); |
| return -EFAULT; |
| } |
| |
| deviceId = data.deviceId; |
| devProfileSize = data.devProfileSize; |
| acProfileSize = data.acProfileSize; |
| dcProfileSize = data.dcProfileSize; |
| ringProfileSize = data.ringProfileSize; |
| fxoAcProfileSize = data.fxoAcProfileSize; |
| fxoCfgProfileSize = data.fxoCfgProfileSize; |
| |
| if(devProfileSize) { |
| /* Get device profile */ |
| if(copy_from_user(devProfile, (void*)data.pDevProfile, (sizeof(VpProfileDataType)*devProfileSize))) { |
| printk("%s: copy_from_user failed\n", __func__); |
| return -EFAULT; |
| } |
| pDevProfile = devProfile; |
| } |
| |
| if(acProfileSize) { |
| /* Get AC profile */ |
| if(copy_from_user(acProfile, (void*)data.pAcProfile, (sizeof(VpProfileDataType)*acProfileSize))) { |
| printk("%s: copy_from_user failed\n", __func__); |
| return -EFAULT; |
| } |
| pAcProfile = acProfile; |
| } |
| |
| if(dcProfileSize) { |
| /* Get DC profile */ |
| if(copy_from_user(dcProfile, (void*)data.pDcProfile, (sizeof(VpProfileDataType)*dcProfileSize))) { |
| printk("%s: copy_from_user failed\n", __func__); |
| return -EFAULT; |
| } |
| pDcProfile = dcProfile; |
| } |
| |
| if(ringProfileSize) { |
| /* Get ring profile */ |
| if(copy_from_user(ringProfile, (void*)data.pRingProfile, (sizeof(VpProfileDataType)*ringProfileSize))) { |
| printk("%s: copy_from_user failed\n", __func__); |
| return -EFAULT; |
| } |
| pRingProfile = ringProfile; |
| } |
| |
| if(fxoAcProfileSize) { |
| /* Get FXO AC profile */ |
| if(copy_from_user(fxoAcProfile, (void*)data.pFxoAcProfile, (sizeof(VpProfileDataType)*fxoAcProfileSize))) { |
| printk("%s: copy_from_user failed\n", __func__); |
| return -EFAULT; |
| } |
| pFxoAcProfile = fxoAcProfile; |
| } |
| |
| if(fxoCfgProfileSize) { |
| /* Get FXO configuration profile */ |
| if(copy_from_user(fxoCfgProfile, (void*)data.pFxoCfgProfile, |
| (sizeof(VpProfileDataType)*fxoCfgProfileSize))) { |
| printk("%s: copy_from_user failed\n", __func__); |
| return -EFAULT; |
| } |
| pFxoCfgProfile = fxoCfgProfile; |
| } |
| |
| data.status = VpInitDevice(&pDevCtx[deviceId], pDevProfile, pAcProfile, pDcProfile, pRingProfile, |
| pFxoAcProfile, pFxoCfgProfile); |
| |
| if(data.status == VP_STATUS_SUCCESS) { |
| total_devs++; |
| REGISTER_DEVICE(deviceId); |
| |
| if(!atomic_read(&vpapi_init)) { |
| #if defined(SLIC_TIMER_EVENT_SUPPORT) |
| memset(&vpapi_timer, 0, sizeof(struct timer_list)); |
| init_timer(&vpapi_timer); |
| vpapi_timer.function = vpapi_tick_handler; |
| vpapi_timer.data = -1; |
| vpapi_timer.expires = jiffies + VPAPI_TICK_TIMER_PERIOD; |
| add_timer(&vpapi_timer); |
| #endif |
| atomic_set(&vpapi_init, 1); |
| } |
| } |
| |
| /* Copy status back to user */ |
| if(copy_to_user((void*)arg, &data, sizeof(VpApiModInitDeviceType))) { |
| printk("%s: copy_to_user failed\n", __func__); |
| return -EFAULT; |
| } |
| |
| return 0; |
| } |
| |
| static int vpapi_cal_line(unsigned long arg) |
| { |
| VpApiModCalLnType data; |
| VpLineIdType lineId; |
| VpDeviceIdType deviceId; |
| |
| /* Get user data */ |
| if(copy_from_user(&data, (void*)arg, sizeof(VpApiModCalLnType))) { |
| printk("%s: copy_from_user failed\n", __func__); |
| return -EFAULT; |
| } |
| |
| lineId = GET_LINE(data.lineId); |
| deviceId = GET_DEVICE(data.lineId); |
| |
| data.status = VpCalLine(&pLineCtx[deviceId][lineId]); |
| |
| if(data.status == VP_STATUS_SUCCESS) { |
| total_lines++; |
| REGISTER_LINE(data.lineId); |
| } |
| |
| /* Copy status back to user */ |
| if(copy_to_user((void*)arg, &data, sizeof(VpApiModCalLnType))) { |
| printk("%s: copy_to_user failed\n", __func__); |
| return -EFAULT; |
| } |
| |
| return 0; |
| } |
| |
| static int vpapi_set_line_state(unsigned long arg) |
| { |
| VpApiModSetLnStType data; |
| VpLineIdType lineId; |
| VpDeviceIdType deviceId; |
| VpLineStateType state; |
| |
| /* Get user data */ |
| if(copy_from_user(&data, (void*)arg, sizeof(VpApiModSetLnStType))) { |
| printk("%s: copy_from_user failed\n", __func__); |
| return -EFAULT; |
| } |
| |
| lineId = GET_LINE(data.lineId); |
| deviceId = GET_DEVICE(data.lineId); |
| state = data.state; |
| |
| data.status = VpSetLineState(&pLineCtx[deviceId][lineId], state); |
| |
| /* Copy status back to user */ |
| if(copy_to_user((void*)arg, &data, sizeof(VpApiModSetLnStType))) { |
| printk("%s: copy_to_user failed\n", __func__); |
| return -EFAULT; |
| } |
| |
| return 0; |
| } |
| |
| static int vpapi_set_option(unsigned long arg) |
| { |
| VpApiModSetOptionType data; |
| u8 lineRequest; |
| VpLineIdType lineId; |
| VpDeviceIdType deviceId; |
| VpOptionIdType option; |
| void *pOptInfo; |
| long size; |
| |
| /* Get user data */ |
| if(copy_from_user(&data, (void*)arg, sizeof(VpApiModSetOptionType))) { |
| printk("%s: copy_from_user failed\n", __func__); |
| return -EFAULT; |
| } |
| |
| option = data.option; |
| lineRequest = data.lineRequest; |
| deviceId = data.deviceId; |
| lineId = GET_LINE(data.lineId); |
| |
| switch(option) { |
| case VP_OPTION_ID_TIMESLOT: |
| size = sizeof(VpOptionTimeslotType); |
| pOptInfo = (VpOptionTimeslotType*)kmalloc(size, GFP_KERNEL); |
| break; |
| case VP_OPTION_ID_CODEC: |
| size = sizeof(VpOptionCodecType); |
| pOptInfo = (VpOptionCodecType*)kmalloc(size, GFP_KERNEL); |
| break; |
| case VP_OPTION_ID_LOOPBACK: |
| size = sizeof(VpOptionLoopbackType); |
| pOptInfo = (VpOptionLoopbackType*)kmalloc(size, GFP_KERNEL); |
| break; |
| case VP_OPTION_ID_EVENT_MASK: |
| size = sizeof(VpOptionEventMaskType); |
| pOptInfo = (VpOptionEventMaskType*)kmalloc(size, GFP_KERNEL); |
| break; |
| case VP_OPTION_ID_LINE_STATE: |
| size = sizeof(VpOptionLineStateType); |
| pOptInfo = (VpOptionLineStateType*)kmalloc(size, GFP_KERNEL); |
| break; |
| default: |
| printk("%s: option(%d) not supported\n",__func__, option); |
| return -EFAULT; |
| } |
| |
| /* Get option info */ |
| if(copy_from_user(pOptInfo, (void*)data.pValue, size)) { |
| printk("%s: copy_from_user failed\n", __func__); |
| kfree(pOptInfo); |
| return -EFAULT; |
| } |
| |
| /* Set option to line/device */ |
| if(lineRequest) |
| data.status = VpSetOption(&pLineCtx[deviceId][lineId], VP_NULL, option, pOptInfo); |
| else |
| data.status = VpSetOption(VP_NULL, &pDevCtx[deviceId], option, pOptInfo); |
| |
| |
| kfree(pOptInfo); |
| |
| /* Copy status back to user */ |
| if(copy_to_user((void*)arg, &data, sizeof(VpApiModSetOptionType))) { |
| printk("%s: copy_to_user failed\n", __func__); |
| return -EFAULT; |
| } |
| |
| return 0; |
| } |
| |
| int vpapi_get_event(unsigned long arg) |
| { |
| VpApiModGetEventType data; |
| VpDeviceIdType deviceId; |
| |
| /* Get user data */ |
| if(copy_from_user(&data, (void*)arg, sizeof(VpApiModGetEventType))) { |
| printk("%s: copy_from_user failed\n", __func__); |
| return -EFAULT; |
| } |
| |
| deviceId = data.deviceId; |
| |
| if(atomic_read(&event_count) == 0) { |
| data.newEvent = FALSE; |
| } |
| else { |
| /* Copy event info back to user */ |
| if(copy_to_user(data.pEvent, &event_queue[curr_event].vp_event, sizeof(VpEventType))) { |
| printk("%s: copy_to_user failed\n", __func__); |
| return -EFAULT; |
| } |
| |
| event_queue[curr_event].valid = 0; |
| data.newEvent = TRUE; |
| atomic_dec(&event_count); |
| curr_event++; |
| if(curr_event == MAX_EVENT_QUEUE_SIZE) |
| curr_event = 0; |
| } |
| |
| /* Copy status and event info back to user */ |
| if(copy_to_user((void*)arg, &data, sizeof(VpApiModGetEventType))) { |
| printk("%s: copy_to_user failed\n", __func__); |
| return -EFAULT; |
| } |
| |
| return 0; |
| } |
| #if defined(CONFIG_ZARLINK_SLIC_VE792) |
| static int vpapi_batt_on(unsigned long arg) |
| { |
| VpModBatteryOnType data; |
| int vbh, vbl, vbp; |
| |
| /* Get user data */ |
| if(copy_from_user(&data, (void*)arg, sizeof(VpModBatteryOnType))) { |
| printk("%s: copy_from_user failed\n", __func__); |
| return -EFAULT; |
| } |
| |
| vbh = data.vbh; |
| vbl = data.vbl; |
| vbp = data.vbp; |
| |
| data.status = BattOn(vbh, vbl, vbp); |
| |
| /* Copy status and event info back to user */ |
| if(copy_to_user((void*)arg, &data, sizeof(VpModBatteryOnType))) { |
| printk("%s: copy_to_user failed\n", __func__); |
| return -EFAULT; |
| } |
| |
| return 0; |
| } |
| |
| static int vpapi_batt_off(unsigned long arg) |
| { |
| VpModBatteryOffType data; |
| |
| /* Get user data */ |
| if(copy_from_user(&data, (void*)arg, sizeof(VpModBatteryOffType))) { |
| printk("%s: copy_from_user failed\n", __func__); |
| return -EFAULT; |
| } |
| |
| data.status = BattOff(); |
| |
| /* Copy status and event info back to user */ |
| if(copy_to_user((void*)arg, &data, sizeof(VpModBatteryOffType))) { |
| printk("%s: copy_to_user failed\n", __func__); |
| return -EFAULT; |
| } |
| |
| return 0; |
| } |
| #endif |
| |
| #if defined(CONFIG_ZARLINK_SLIC_VE880) |
| static int vpapi_reg_read(unsigned long arg) |
| { |
| VpModRegOpType data; |
| VpLineIdType line_id; |
| unsigned char cmd; |
| unsigned short cmd_len; |
| unsigned char *buff_p = NULL; |
| unsigned char ec_val[] = {0x1, 0x2}; |
| |
| /* Get user data */ |
| if(copy_from_user(&data, (void*)arg, sizeof(VpModRegOpType))) { |
| printk("%s: copy_from_user failed\n", __func__); |
| return -EFAULT; |
| } |
| |
| line_id = data.lineId; |
| cmd = data.cmd; |
| cmd_len = data.cmdLen; |
| buff_p = data.buff; |
| |
| VpMpiCmd(GET_DEVICE(line_id), ec_val[GET_LINE(line_id)], (cmd | 1), cmd_len, buff_p); |
| |
| /* Copy status and event info back to user */ |
| if(copy_to_user((void*)arg, &data, sizeof(VpModRegOpType))) { |
| printk("%s: copy_to_user failed\n", __func__); |
| return -EFAULT; |
| } |
| |
| return 0; |
| } |
| |
| static int vpapi_reg_write(unsigned long arg) |
| { |
| VpModRegOpType data; |
| VpLineIdType line_id; |
| unsigned char cmd; |
| unsigned short cmd_len; |
| unsigned char *buff_p = NULL; |
| unsigned char ec_val[] = {0x1, 0x2}; |
| |
| /* Get user data */ |
| if(copy_from_user(&data, (void*)arg, sizeof(VpModRegOpType))) { |
| printk("%s: copy_from_user failed\n", __func__); |
| return -EFAULT; |
| } |
| |
| line_id = data.lineId; |
| cmd = data.cmd; |
| cmd_len = data.cmdLen; |
| buff_p = data.buff; |
| |
| VpMpiCmd(GET_DEVICE(line_id), ec_val[GET_LINE(line_id)], cmd, cmd_len, buff_p); |
| |
| return 0; |
| } |
| #endif |
| |
| static int vpapi_open(struct inode *pInode, struct file *pFile) |
| { |
| try_module_get(THIS_MODULE); |
| return 0; |
| } |
| |
| static int vpapi_release(struct inode *pInode, struct file *pFile) |
| { |
| module_put(THIS_MODULE); |
| return 0; |
| } |
| |
| #if defined(SLIC_TIMER_EVENT_SUPPORT) |
| static void vpapi_tick_handler(unsigned long data) |
| { |
| u8 deviceId; |
| unsigned long flags; |
| vpapi_event *pEvent; |
| #if !defined(CONFIG_ZARLINK_SLIC_VE792) |
| bool eventStatus; |
| #endif |
| |
| /* Check if events are already active and not processing IOCTL */ |
| if((atomic_read(&vpapi_init) == 0) || (atomic_read(&vpapi_in_ioctl) == 1)) |
| goto timer_exit; |
| |
| spin_lock_irqsave(&vpapi_lock, flags); |
| |
| for(deviceId = 0; deviceId < MAX_DEVICES; deviceId++) { |
| |
| if(GET_DEV_STATUS(deviceId) == 0) |
| continue; |
| |
| /* Check for free resources */ |
| if(atomic_read(&event_count) >= MAX_EVENT_QUEUE_SIZE) |
| goto timer_exit; |
| |
| #if !defined(CONFIG_ZARLINK_SLIC_VE792) |
| if(VP_STATUS_SUCCESS == VpApiTick(&pDevCtx[deviceId], &eventStatus)) { |
| if(eventStatus == TRUE) { |
| #endif |
| pEvent = &event_queue[next_event]; |
| while(VpGetEvent(&pDevCtx[deviceId], &pEvent->vp_event) == TRUE) { |
| if(pEvent->vp_event.status != VP_STATUS_SUCCESS) { |
| printk("%s: bad status(%d)\n", __func__, pEvent->vp_event.status); |
| break; |
| } |
| |
| if(pEvent->vp_event.eventId == 0) { |
| printk("%s: warning, empty event\n", __func__); |
| break; |
| } |
| |
| next_event++; |
| if(next_event == MAX_EVENT_QUEUE_SIZE) { |
| next_event = 0; |
| } |
| |
| atomic_inc(&event_count); |
| |
| if(pEvent->valid == 0) { |
| pEvent->valid = 1; |
| } |
| else { |
| printk("%s: error, event(%u) was overrided\n", __func__, next_event); |
| break; |
| } |
| |
| pEvent = &event_queue[next_event]; |
| } |
| #if !defined(CONFIG_ZARLINK_SLIC_VE792) |
| } |
| } |
| #endif |
| } |
| |
| |
| spin_unlock_irqrestore(&vpapi_lock, flags); |
| |
| timer_exit: |
| |
| /* Checks if user application should be signaled */ |
| if(atomic_read(&event_count) > 0) { |
| wake_up_interruptible(&vpapi_wait); |
| } |
| |
| /* Schedule next timer tick */ |
| vpapi_timer.expires = jiffies + VPAPI_TICK_TIMER_PERIOD; |
| add_timer(&vpapi_timer); |
| } |
| #endif |
| |
| int __init vpapi_module_init(void) |
| { |
| int status; |
| |
| printk("Loading Marvell %s device\n", VPAPI_MOD_NAME); |
| status = misc_register(&vpapi_misc_dev); |
| |
| /* Register VPAPI device module */ |
| if (status < 0) { |
| printk("Error, failed to load %s module(%d)\n", VPAPI_MOD_NAME, status); |
| return status; |
| } |
| |
| atomic_set(&vpapi_init, 0); |
| atomic_set(&vpapi_in_ioctl, 0); |
| total_devs = 0; |
| total_lines = 0; |
| next_event = 0; |
| curr_event = 0; |
| memset(vpapi_dev_status, 0, MAX_DEVICES); |
| memset(vpapi_line_status, 0, MAX_LINES); |
| |
| /* Reset event counter */ |
| atomic_set(&event_count, 0); |
| |
| /* Clear event queue */ |
| memset(event_queue, 0, (MAX_EVENT_QUEUE_SIZE * sizeof(vpapi_event))); |
| |
| return 0; |
| } |
| |
| void __exit vpapi_module_exit(void) |
| { |
| printk("Unloading %s device module\n", VPAPI_MOD_NAME); |
| |
| #if defined(SLIC_TIMER_EVENT_SUPPORT) |
| if(total_lines == 0) |
| del_timer(&vpapi_timer); |
| #endif |
| |
| /* Unregister VPAPI misc device */ |
| misc_deregister(&vpapi_misc_dev); |
| |
| return; |
| } |
| |
| /* Module stuff */ |
| module_init(vpapi_module_init); |
| module_exit(vpapi_module_exit); |
| MODULE_DESCRIPTION("Zarlink VPAPI-II Device"); |
| MODULE_AUTHOR("Eran Ben-Avi <benavi@marvell.com>"); |
| MODULE_LICENSE("GPL"); |
| |
