diff options
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/usb/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/media/usb/Makefile | 1 | ||||
| -rw-r--r-- | drivers/media/usb/tlg2300/Kconfig | 16 | ||||
| -rw-r--r-- | drivers/media/usb/tlg2300/Makefile | 9 | ||||
| -rw-r--r-- | drivers/media/usb/tlg2300/pd-alsa.c | 337 | ||||
| -rw-r--r-- | drivers/media/usb/tlg2300/pd-common.h | 271 | ||||
| -rw-r--r-- | drivers/media/usb/tlg2300/pd-dvb.c | 597 | ||||
| -rw-r--r-- | drivers/media/usb/tlg2300/pd-main.c | 553 | ||||
| -rw-r--r-- | drivers/media/usb/tlg2300/pd-radio.c | 339 | ||||
| -rw-r--r-- | drivers/media/usb/tlg2300/pd-video.c | 1570 | ||||
| -rw-r--r-- | drivers/media/usb/tlg2300/vendorcmds.h | 243 |
11 files changed, 0 insertions, 3937 deletions
diff --git a/drivers/media/usb/Kconfig b/drivers/media/usb/Kconfig index 056181f2f569..7496f332f3f5 100644 --- a/drivers/media/usb/Kconfig +++ b/drivers/media/usb/Kconfig @@ -24,7 +24,6 @@ if MEDIA_ANALOG_TV_SUPPORT comment "Analog TV USB devices" source "drivers/media/usb/pvrusb2/Kconfig" source "drivers/media/usb/hdpvr/Kconfig" -source "drivers/media/usb/tlg2300/Kconfig" source "drivers/media/usb/usbvision/Kconfig" source "drivers/media/usb/stk1160/Kconfig" source "drivers/media/usb/go7007/Kconfig" diff --git a/drivers/media/usb/Makefile b/drivers/media/usb/Makefile index 6f2eb7c8416c..8874ba774a34 100644 --- a/drivers/media/usb/Makefile +++ b/drivers/media/usb/Makefile @@ -16,7 +16,6 @@ obj-$(CONFIG_VIDEO_CPIA2) += cpia2/ obj-$(CONFIG_VIDEO_AU0828) += au0828/ obj-$(CONFIG_VIDEO_HDPVR) += hdpvr/ obj-$(CONFIG_VIDEO_PVRUSB2) += pvrusb2/ -obj-$(CONFIG_VIDEO_TLG2300) += tlg2300/ obj-$(CONFIG_VIDEO_USBVISION) += usbvision/ obj-$(CONFIG_VIDEO_STK1160) += stk1160/ obj-$(CONFIG_VIDEO_CX231XX) += cx231xx/ diff --git a/drivers/media/usb/tlg2300/Kconfig b/drivers/media/usb/tlg2300/Kconfig deleted file mode 100644 index 645d915267e6..000000000000 --- a/drivers/media/usb/tlg2300/Kconfig +++ /dev/null @@ -1,16 +0,0 @@ -config VIDEO_TLG2300 - tristate "Telegent TLG2300 USB video capture support" - depends on VIDEO_DEV && I2C && SND && DVB_CORE - select VIDEO_TUNER - select VIDEO_TVEEPROM - depends on RC_CORE - select VIDEOBUF_VMALLOC - select SND_PCM - select VIDEOBUF_DVB - - ---help--- - This is a video4linux driver for Telegent tlg2300 based TV cards. - The driver supports V4L2, DVB-T and radio. - - To compile this driver as a module, choose M here: the - module will be called poseidon diff --git a/drivers/media/usb/tlg2300/Makefile b/drivers/media/usb/tlg2300/Makefile deleted file mode 100644 index 137f8e38cdec..000000000000 --- a/drivers/media/usb/tlg2300/Makefile +++ /dev/null @@ -1,9 +0,0 @@ -poseidon-objs := pd-video.o pd-alsa.o pd-dvb.o pd-radio.o pd-main.o - -obj-$(CONFIG_VIDEO_TLG2300) += poseidon.o - -ccflags-y += -Idrivers/media/i2c -ccflags-y += -Idrivers/media/tuners -ccflags-y += -Idrivers/media/dvb-core -ccflags-y += -Idrivers/media/dvb-frontends - diff --git a/drivers/media/usb/tlg2300/pd-alsa.c b/drivers/media/usb/tlg2300/pd-alsa.c deleted file mode 100644 index dd8fe100590f..000000000000 --- a/drivers/media/usb/tlg2300/pd-alsa.c +++ /dev/null @@ -1,337 +0,0 @@ -#include <linux/kernel.h> -#include <linux/usb.h> -#include <linux/init.h> -#include <linux/sound.h> -#include <linux/spinlock.h> -#include <linux/soundcard.h> -#include <linux/vmalloc.h> -#include <linux/proc_fs.h> -#include <linux/module.h> -#include <linux/gfp.h> -#include <sound/core.h> -#include <sound/pcm.h> -#include <sound/pcm_params.h> -#include <sound/info.h> -#include <sound/initval.h> -#include <sound/control.h> -#include <media/v4l2-common.h> -#include "pd-common.h" -#include "vendorcmds.h" - -static void complete_handler_audio(struct urb *urb); -#define AUDIO_EP (0x83) -#define AUDIO_BUF_SIZE (512) -#define PERIOD_SIZE (1024 * 8) -#define PERIOD_MIN (4) -#define PERIOD_MAX PERIOD_MIN - -static struct snd_pcm_hardware snd_pd_hw_capture = { - .info = SNDRV_PCM_INFO_BLOCK_TRANSFER | - SNDRV_PCM_INFO_MMAP | - SNDRV_PCM_INFO_INTERLEAVED | - SNDRV_PCM_INFO_MMAP_VALID, - - .formats = SNDRV_PCM_FMTBIT_S16_LE, - .rates = SNDRV_PCM_RATE_48000, - - .rate_min = 48000, - .rate_max = 48000, - .channels_min = 2, - .channels_max = 2, - .buffer_bytes_max = PERIOD_SIZE * PERIOD_MIN, - .period_bytes_min = PERIOD_SIZE, - .period_bytes_max = PERIOD_SIZE, - .periods_min = PERIOD_MIN, - .periods_max = PERIOD_MAX, - /* - .buffer_bytes_max = 62720 * 8, - .period_bytes_min = 64, - .period_bytes_max = 12544, - .periods_min = 2, - .periods_max = 98 - */ -}; - -static int snd_pd_capture_open(struct snd_pcm_substream *substream) -{ - struct poseidon *p = snd_pcm_substream_chip(substream); - struct poseidon_audio *pa = &p->audio; - struct snd_pcm_runtime *runtime = substream->runtime; - - if (!p) - return -ENODEV; - pa->users++; - pa->card_close = 0; - pa->capture_pcm_substream = substream; - runtime->private_data = p; - - runtime->hw = snd_pd_hw_capture; - snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS); - usb_autopm_get_interface(p->interface); - kref_get(&p->kref); - return 0; -} - -static int snd_pd_pcm_close(struct snd_pcm_substream *substream) -{ - struct poseidon *p = snd_pcm_substream_chip(substream); - struct poseidon_audio *pa = &p->audio; - - pa->users--; - pa->card_close = 1; - usb_autopm_put_interface(p->interface); - kref_put(&p->kref, poseidon_delete); - return 0; -} - -static int snd_pd_hw_capture_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *hw_params) -{ - struct snd_pcm_runtime *runtime = substream->runtime; - unsigned int size; - - size = params_buffer_bytes(hw_params); - if (runtime->dma_area) { - if (runtime->dma_bytes > size) - return 0; - vfree(runtime->dma_area); - } - runtime->dma_area = vmalloc(size); - if (!runtime->dma_area) - return -ENOMEM; - else - runtime->dma_bytes = size; - return 0; -} - -static int audio_buf_free(struct poseidon *p) -{ - struct poseidon_audio *pa = &p->audio; - int i; - - for (i = 0; i < AUDIO_BUFS; i++) - if (pa->urb_array[i]) - usb_kill_urb(pa->urb_array[i]); - free_all_urb_generic(pa->urb_array, AUDIO_BUFS); - logpm(); - return 0; -} - -static int snd_pd_hw_capture_free(struct snd_pcm_substream *substream) -{ - struct poseidon *p = snd_pcm_substream_chip(substream); - - logpm(); - audio_buf_free(p); - return 0; -} - -static int snd_pd_prepare(struct snd_pcm_substream *substream) -{ - return 0; -} - -#define AUDIO_TRAILER_SIZE (16) -static inline void handle_audio_data(struct urb *urb, int *period_elapsed) -{ - struct poseidon_audio *pa = urb->context; - struct snd_pcm_runtime *runtime = pa->capture_pcm_substream->runtime; - - int stride = runtime->frame_bits >> 3; - int len = urb->actual_length / stride; - unsigned char *cp = urb->transfer_buffer; - unsigned int oldptr = pa->rcv_position; - - if (urb->actual_length == AUDIO_BUF_SIZE - 4) - len -= (AUDIO_TRAILER_SIZE / stride); - - /* do the copy */ - if (oldptr + len >= runtime->buffer_size) { - unsigned int cnt = runtime->buffer_size - oldptr; - - memcpy(runtime->dma_area + oldptr * stride, cp, cnt * stride); - memcpy(runtime->dma_area, (cp + cnt * stride), - (len * stride - cnt * stride)); - } else - memcpy(runtime->dma_area + oldptr * stride, cp, len * stride); - - /* update the statas */ - snd_pcm_stream_lock(pa->capture_pcm_substream); - pa->rcv_position += len; - if (pa->rcv_position >= runtime->buffer_size) - pa->rcv_position -= runtime->buffer_size; - - pa->copied_position += (len); - if (pa->copied_position >= runtime->period_size) { - pa->copied_position -= runtime->period_size; - *period_elapsed = 1; - } - snd_pcm_stream_unlock(pa->capture_pcm_substream); -} - -static void complete_handler_audio(struct urb *urb) -{ - struct poseidon_audio *pa = urb->context; - struct snd_pcm_substream *substream = pa->capture_pcm_substream; - int period_elapsed = 0; - int ret; - - if (1 == pa->card_close || pa->capture_stream != STREAM_ON) - return; - - if (urb->status != 0) { - /*if (urb->status == -ESHUTDOWN)*/ - return; - } - - if (substream) { - if (urb->actual_length) { - handle_audio_data(urb, &period_elapsed); - if (period_elapsed) - snd_pcm_period_elapsed(substream); - } - } - - ret = usb_submit_urb(urb, GFP_ATOMIC); - if (ret < 0) - log("audio urb failed (errcod = %i)", ret); - return; -} - -static int fire_audio_urb(struct poseidon *p) -{ - int i, ret = 0; - struct poseidon_audio *pa = &p->audio; - - alloc_bulk_urbs_generic(pa->urb_array, AUDIO_BUFS, - p->udev, AUDIO_EP, - AUDIO_BUF_SIZE, GFP_ATOMIC, - complete_handler_audio, pa); - - for (i = 0; i < AUDIO_BUFS; i++) { - ret = usb_submit_urb(pa->urb_array[i], GFP_KERNEL); - if (ret) - log("urb err : %d", ret); - } - log(); - return ret; -} - -static int snd_pd_capture_trigger(struct snd_pcm_substream *substream, int cmd) -{ - struct poseidon *p = snd_pcm_substream_chip(substream); - struct poseidon_audio *pa = &p->audio; - - if (debug_mode) - log("cmd %d, audio stat : %d\n", cmd, pa->capture_stream); - - switch (cmd) { - case SNDRV_PCM_TRIGGER_RESUME: - case SNDRV_PCM_TRIGGER_START: - if (pa->capture_stream == STREAM_ON) - return 0; - - pa->rcv_position = pa->copied_position = 0; - pa->capture_stream = STREAM_ON; - - if (in_hibernation(p)) - return 0; - fire_audio_urb(p); - return 0; - - case SNDRV_PCM_TRIGGER_SUSPEND: - pa->capture_stream = STREAM_SUSPEND; - return 0; - case SNDRV_PCM_TRIGGER_STOP: - pa->capture_stream = STREAM_OFF; - return 0; - default: - return -EINVAL; - } -} - -static snd_pcm_uframes_t -snd_pd_capture_pointer(struct snd_pcm_substream *substream) -{ - struct poseidon *p = snd_pcm_substream_chip(substream); - struct poseidon_audio *pa = &p->audio; - return pa->rcv_position; -} - -static struct page *snd_pcm_pd_get_page(struct snd_pcm_substream *subs, - unsigned long offset) -{ - void *pageptr = subs->runtime->dma_area + offset; - return vmalloc_to_page(pageptr); -} - -static struct snd_pcm_ops pcm_capture_ops = { - .open = snd_pd_capture_open, - .close = snd_pd_pcm_close, - .ioctl = snd_pcm_lib_ioctl, - .hw_params = snd_pd_hw_capture_params, - .hw_free = snd_pd_hw_capture_free, - .prepare = snd_pd_prepare, - .trigger = snd_pd_capture_trigger, - .pointer = snd_pd_capture_pointer, - .page = snd_pcm_pd_get_page, -}; - -#ifdef CONFIG_PM -int pm_alsa_suspend(struct poseidon *p) -{ - logpm(p); - audio_buf_free(p); - return 0; -} - -int pm_alsa_resume(struct poseidon *p) -{ - logpm(p); - fire_audio_urb(p); - return 0; -} -#endif - -int poseidon_audio_init(struct poseidon *p) -{ - struct poseidon_audio *pa = &p->audio; - struct snd_card *card; - struct snd_pcm *pcm; - int ret; - - ret = snd_card_new(&p->interface->dev, -1, "Telegent", - THIS_MODULE, 0, &card); - if (ret != 0) - return ret; - - ret = snd_pcm_new(card, "poseidon audio", 0, 0, 1, &pcm); - if (ret < 0) { - snd_card_free(card); - return ret; - } - snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &pcm_capture_ops); - pcm->info_flags = 0; - pcm->private_data = p; - strcpy(pcm->name, "poseidon audio capture"); - - strcpy(card->driver, "ALSA driver"); - strcpy(card->shortname, "poseidon Audio"); - strcpy(card->longname, "poseidon ALSA Audio"); - - if (snd_card_register(card)) { - snd_card_free(card); - return -ENOMEM; - } - pa->card = card; - return 0; -} - -int poseidon_audio_free(struct poseidon *p) -{ - struct poseidon_audio *pa = &p->audio; - - if (pa->card) - snd_card_free(pa->card); - return 0; -} diff --git a/drivers/media/usb/tlg2300/pd-common.h b/drivers/media/usb/tlg2300/pd-common.h deleted file mode 100644 index 9e23ad32d2fe..000000000000 --- a/drivers/media/usb/tlg2300/pd-common.h +++ /dev/null @@ -1,271 +0,0 @@ -#ifndef PD_COMMON_H -#define PD_COMMON_H - -#include <linux/fs.h> -#include <linux/wait.h> -#include <linux/list.h> -#include <linux/videodev2.h> -#include <linux/semaphore.h> -#include <linux/usb.h> -#include <linux/poll.h> -#include <media/videobuf-vmalloc.h> -#include <media/v4l2-device.h> -#include <media/v4l2-ctrls.h> - -#include "dvb_frontend.h" -#include "dvbdev.h" -#include "dvb_demux.h" -#include "dmxdev.h" - -#define SBUF_NUM 8 -#define MAX_BUFFER_NUM 6 -#define PK_PER_URB 32 -#define ISO_PKT_SIZE 3072 - -#define POSEIDON_STATE_NONE (0x0000) -#define POSEIDON_STATE_ANALOG (0x0001) -#define POSEIDON_STATE_FM (0x0002) -#define POSEIDON_STATE_DVBT (0x0004) -#define POSEIDON_STATE_DISCONNECT (0x0080) - -#define PM_SUSPEND_DELAY 3 - -#define V4L_PAL_VBI_LINES 18 -#define V4L_NTSC_VBI_LINES 12 -#define V4L_PAL_VBI_FRAMESIZE (V4L_PAL_VBI_LINES * 1440 * 2) -#define V4L_NTSC_VBI_FRAMESIZE (V4L_NTSC_VBI_LINES * 1440 * 2) - -#define TUNER_FREQ_MIN (45000000U) -#define TUNER_FREQ_MAX (862000000U) - -struct vbi_data { - struct video_device v_dev; - struct video_data *video; - struct front_face *front; - - unsigned int copied; - unsigned int vbi_size; /* the whole size of two fields */ - int users; -}; - -/* - * This is the running context of the video, it is useful for - * resume() - */ -struct running_context { - u32 freq; /* VIDIOC_S_FREQUENCY */ - int audio_idx; /* VIDIOC_S_TUNER */ - v4l2_std_id tvnormid; /* VIDIOC_S_STD */ - int sig_index; /* VIDIOC_S_INPUT */ - struct v4l2_pix_format pix; /* VIDIOC_S_FMT */ -}; - -struct video_data { - /* v4l2 video device */ - struct video_device v_dev; - struct v4l2_ctrl_handler ctrl_handler; - - /* the working context */ - struct running_context context; - - /* for data copy */ - int field_count; - - char *dst; - int lines_copied; - int prev_left; - - int lines_per_field; - int lines_size; - - /* for communication */ - u8 endpoint_addr; - struct urb *urb_array[SBUF_NUM]; - struct vbi_data *vbi; - struct poseidon *pd; - struct front_face *front; - - int is_streaming; - int users; - - /* for bubble handler */ - struct work_struct bubble_work; -}; - -enum pcm_stream_state { - STREAM_OFF, - STREAM_ON, - STREAM_SUSPEND, -}; - -#define AUDIO_BUFS (3) -#define CAPTURE_STREAM_EN 1 -struct poseidon_audio { - struct urb *urb_array[AUDIO_BUFS]; - unsigned int copied_position; - struct snd_pcm_substream *capture_pcm_substream; - - unsigned int rcv_position; - struct snd_card *card; - int card_close; - - int users; - int pm_state; - enum pcm_stream_state capture_stream; -}; - -struct radio_data { - __u32 fm_freq; - unsigned int is_radio_streaming; - int pre_emphasis; - struct video_device fm_dev; - struct v4l2_ctrl_handler ctrl_handler; -}; - -#define DVB_SBUF_NUM 4 -#define DVB_URB_BUF_SIZE 0x2000 -struct pd_dvb_adapter { - struct dvb_adapter dvb_adap; - struct dvb_frontend dvb_fe; - struct dmxdev dmxdev; - struct dvb_demux demux; - - atomic_t users; - atomic_t active_feed; - - /* data transfer */ - s32 is_streaming; - struct urb *urb_array[DVB_SBUF_NUM]; - struct poseidon *pd_device; - u8 ep_addr; - u8 reserved[3]; - - /* data for power resume*/ - struct dtv_frontend_properties fe_param; - - /* for channel scanning */ - int prev_freq; - int bandwidth; - unsigned long last_jiffies; -}; - -struct front_face { - /* use this field to distinguish VIDEO and VBI */ - enum v4l2_buf_type type; - - /* for host */ - struct videobuf_queue q; - - /* the bridge for host and device */ - struct videobuf_buffer *curr_frame; - - /* for device */ - spinlock_t queue_lock; - struct list_head active; - struct poseidon *pd; -}; - -struct poseidon { - struct list_head device_list; - - struct mutex lock; - struct kref kref; - - /* for V4L2 */ - struct v4l2_device v4l2_dev; - - /* hardware info */ - struct usb_device *udev; - struct usb_interface *interface; - int cur_transfer_mode; - - struct video_data video_data; /* video */ - struct vbi_data vbi_data; /* vbi */ - struct poseidon_audio audio; /* audio (alsa) */ - struct radio_data radio_data; /* FM */ - struct pd_dvb_adapter dvb_data; /* DVB */ - - u32 state; - struct file *file_for_stream; /* the active stream*/ - -#ifdef CONFIG_PM - int (*pm_suspend)(struct poseidon *); - int (*pm_resume)(struct poseidon *); - pm_message_t msg; - - struct work_struct pm_work; - u8 portnum; -#endif -}; - -struct poseidon_format { - char *name; - int fourcc; /* video4linux 2 */ - int depth; /* bit/pixel */ - int flags; -}; - -struct poseidon_tvnorm { - v4l2_std_id v4l2_id; - char name[12]; - u32 tlg_tvnorm; -}; - -/* video */ -int pd_video_init(struct poseidon *); -void pd_video_exit(struct poseidon *); -int stop_all_video_stream(struct poseidon *); - -/* alsa audio */ -int poseidon_audio_init(struct poseidon *); -int poseidon_audio_free(struct poseidon *); -#ifdef CONFIG_PM -int pm_alsa_suspend(struct poseidon *); -int pm_alsa_resume(struct poseidon *); -#endif - -/* dvb */ -int pd_dvb_usb_device_init(struct poseidon *); -void pd_dvb_usb_device_exit(struct poseidon *); -void pd_dvb_usb_device_cleanup(struct poseidon *); -int pd_dvb_get_adapter_num(struct pd_dvb_adapter *); -void dvb_stop_streaming(struct pd_dvb_adapter *); - -/* FM */ -int poseidon_fm_init(struct poseidon *); -int poseidon_fm_exit(struct poseidon *); - -/* vendor command ops */ -int send_set_req(struct poseidon*, u8, s32, s32*); -int send_get_req(struct poseidon*, u8, s32, void*, s32*, s32); -s32 set_tuner_mode(struct poseidon*, unsigned char); - -/* bulk urb alloc/free */ -int alloc_bulk_urbs_generic(struct urb **urb_array, int num, - struct usb_device *udev, u8 ep_addr, - int buf_size, gfp_t gfp_flags, - usb_complete_t complete_fn, void *context); -void free_all_urb_generic(struct urb **urb_array, int num); - -/* misc */ -void poseidon_delete(struct kref *kref); -extern int debug_mode; -void set_debug_mode(struct video_device *vfd, int debug_mode); - -#ifdef CONFIG_PM -#define in_hibernation(pd) (pd->msg.event == PM_EVENT_FREEZE) -#else -#define in_hibernation(pd) (0) -#endif -#define get_pm_count(p) (atomic_read(&(p)->interface->pm_usage_cnt)) - -#define log(a, ...) printk(KERN_DEBUG "\t[ %s : %.3d ] "a"\n", \ - __func__, __LINE__, ## __VA_ARGS__) - -/* for power management */ -#define logpm(pd) do {\ - if (debug_mode & 0x10)\ - log();\ - } while (0) - -#endif diff --git a/drivers/media/usb/tlg2300/pd-dvb.c b/drivers/media/usb/tlg2300/pd-dvb.c deleted file mode 100644 index ca4994a5190c..000000000000 --- a/drivers/media/usb/tlg2300/pd-dvb.c +++ /dev/null @@ -1,597 +0,0 @@ -#include "pd-common.h" -#include <linux/kernel.h> -#include <linux/usb.h> -#include <linux/time.h> -#include <linux/dvb/dmx.h> -#include <linux/delay.h> -#include <linux/gfp.h> - -#include "vendorcmds.h" -#include <linux/sched.h> -#include <linux/atomic.h> - -static void dvb_urb_cleanup(struct pd_dvb_adapter *pd_dvb); - -static int dvb_bandwidth[][2] = { - { TLG_BW_8, 8000000 }, - { TLG_BW_7, 7000000 }, - { TLG_BW_6, 6000000 } -}; -static int dvb_bandwidth_length = ARRAY_SIZE(dvb_bandwidth); - -static s32 dvb_start_streaming(struct pd_dvb_adapter *pd_dvb); -static int poseidon_check_mode_dvbt(struct poseidon *pd) -{ - s32 ret = 0, cmd_status = 0; - - set_current_state(TASK_INTERRUPTIBLE); - schedule_timeout(HZ/4); - - ret = usb_set_interface(pd->udev, 0, BULK_ALTERNATE_IFACE); - if (ret != 0) - return ret; - - ret = set_tuner_mode(pd, TLG_MODE_CAPS_DVB_T); - if (ret) - return ret; - - /* signal source */ - ret = send_set_req(pd, SGNL_SRC_SEL, TLG_SIG_SRC_ANTENNA, &cmd_status); - if (ret|cmd_status) - return ret; - - return 0; -} - -/* acquire : - * 1 == open - * 0 == release - */ -static int poseidon_ts_bus_ctrl(struct dvb_frontend *fe, int acquire) -{ - struct poseidon *pd = fe->demodulator_priv; - struct pd_dvb_adapter *pd_dvb; - int ret = 0; - - if (!pd) - return -ENODEV; - - pd_dvb = container_of(fe, struct pd_dvb_adapter, dvb_fe); - if (acquire) { - mutex_lock(&pd->lock); - if (pd->state & POSEIDON_STATE_DISCONNECT) { - ret = -ENODEV; - goto open_out; - } - - if (pd->state && !(pd->state & POSEIDON_STATE_DVBT)) { - ret = -EBUSY; - goto open_out; - } - - usb_autopm_get_interface(pd->interface); - if (0 == pd->state) { - ret = poseidon_check_mode_dvbt(pd); - if (ret < 0) { - usb_autopm_put_interface(pd->interface); - goto open_out; - } - pd->state |= POSEIDON_STATE_DVBT; - pd_dvb->bandwidth = 0; - pd_dvb->prev_freq = 0; - } - atomic_inc(&pd_dvb->users); - kref_get(&pd->kref); -open_out: - mutex_unlock(&pd->lock); - } else { - dvb_stop_streaming(pd_dvb); - - if (atomic_dec_and_test(&pd_dvb->users)) { - mutex_lock(&pd->lock); - pd->state &= ~POSEIDON_STATE_DVBT; - mutex_unlock(&pd->lock); - } - kref_put(&pd->kref, poseidon_delete); - usb_autopm_put_interface(pd->interface); - } - return ret; -} - -#ifdef CONFIG_PM -static void poseidon_fe_release(struct dvb_frontend *fe) -{ - struct poseidon *pd = fe->demodulator_priv; - - pd->pm_suspend = NULL; - pd->pm_resume = NULL; -} -#else -#define poseidon_fe_release NULL -#endif - -static s32 poseidon_fe_sleep(struct dvb_frontend *fe) -{ - return 0; -} - -/* - * return true if we can satisfy the conditions, else return false. - */ -static bool check_scan_ok(__u32 freq, int bandwidth, - struct pd_dvb_adapter *adapter) -{ - if (bandwidth < 0) - return false; - - if (adapter->prev_freq == freq - && adapter->bandwidth == bandwidth) { - long nl = jiffies - adapter->last_jiffies; - unsigned int msec ; - - msec = jiffies_to_msecs(abs(nl)); - return msec > 15000 ? true : false; - } - return true; -} - -/* - * Check if the firmware delays too long for an invalid frequency. - */ -static int fw_delay_overflow(struct pd_dvb_adapter *adapter) -{ - long nl = jiffies - adapter->last_jiffies; - unsigned int msec ; - - msec = jiffies_to_msecs(abs(nl)); - return msec > 800 ? true : false; -} - -static int poseidon_set_fe(struct dvb_frontend *fe) -{ - struct dtv_frontend_properties *fep = &fe->dtv_property_cache; - s32 ret = 0, cmd_status = 0; - s32 i, bandwidth = -1; - struct poseidon *pd = fe->demodulator_priv; - struct pd_dvb_adapter *pd_dvb = &pd->dvb_data; - - if (in_hibernation(pd)) - return -EBUSY; - - mutex_lock(&pd->lock); - for (i = 0; i < dvb_bandwidth_length; i++) - if (fep->bandwidth_hz == dvb_bandwidth[i][1]) - bandwidth = dvb_bandwidth[i][0]; - - if (check_scan_ok(fep->frequency, bandwidth, pd_dvb)) { - ret = send_set_req(pd, TUNE_FREQ_SELECT, - fep->frequency / 1000, &cmd_status); - if (ret | cmd_status) { - log("error line"); - goto front_out; - } - - ret = send_set_req(pd, DVBT_BANDW_SEL, - bandwidth, &cmd_status); - if (ret | cmd_status) { - log("error line"); - goto front_out; - } - - ret = send_set_req(pd, TAKE_REQUEST, 0, &cmd_status); - if (ret | cmd_status) { - log("error line"); - goto front_out; - } - - /* save the context for future */ - memcpy(&pd_dvb->fe_param, fep, sizeof(*fep)); - pd_dvb->bandwidth = bandwidth; - pd_dvb->prev_freq = fep->frequency; - pd_dvb->last_jiffies = jiffies; - } -front_out: - mutex_unlock(&pd->lock); - return ret; -} - -#ifdef CONFIG_PM -static int pm_dvb_suspend(struct poseidon *pd) -{ - struct pd_dvb_adapter *pd_dvb = &pd->dvb_data; - dvb_stop_streaming(pd_dvb); - dvb_urb_cleanup(pd_dvb); - msleep(500); - return 0; -} - -static int pm_dvb_resume(struct poseidon *pd) -{ - struct pd_dvb_adapter *pd_dvb = &pd->dvb_data; - - poseidon_check_mode_dvbt(pd); - msleep(300); - poseidon_set_fe(&pd_dvb->dvb_fe); - - dvb_start_streaming(pd_dvb); - return 0; -} -#endif - -static s32 poseidon_fe_init(struct dvb_frontend *fe) -{ - struct poseidon *pd = fe->demodulator_priv; - struct pd_dvb_adapter *pd_dvb = &pd->dvb_data; - -#ifdef CONFIG_PM - pd->pm_suspend = pm_dvb_suspend; - pd->pm_resume = pm_dvb_resume; -#endif - memset(&pd_dvb->fe_param, 0, - sizeof(struct dtv_frontend_properties)); - return 0; -} - -static int poseidon_get_fe(struct dvb_frontend *fe) -{ - struct dtv_frontend_properties *fep = &fe->dtv_property_cache; - struct poseidon *pd = fe->demodulator_priv; - struct pd_dvb_adapter *pd_dvb = &pd->dvb_data; - - memcpy(fep, &pd_dvb->fe_param, sizeof(*fep)); - return 0; -} - -static int poseidon_fe_get_tune_settings(struct dvb_frontend *fe, - struct dvb_frontend_tune_settings *tune) -{ - tune->min_delay_ms = 1000; - return 0; -} - -static int poseidon_read_status(struct dvb_frontend *fe, fe_status_t *stat) -{ - struct poseidon *pd = fe->demodulator_priv; - s32 ret = -1, cmd_status; - struct tuner_dtv_sig_stat_s status = {}; - - if (in_hibernation(pd)) - return -EBUSY; - mutex_lock(&pd->lock); - - ret = send_get_req(pd, TUNER_STATUS, TLG_MODE_DVB_T, - &status, &cmd_status, sizeof(status)); - if (ret | cmd_status) { - log("get tuner status error"); - goto out; - } - - if (debug_mode) - log("P : %d, L %d, LB :%d", status.sig_present, - status.sig_locked, status.sig_lock_busy); - - if (status.sig_lock_busy) { - goto out; - } else if (status.sig_present || status.sig_locked) { - *stat |= FE_HAS_LOCK | FE_HAS_SIGNAL | FE_HAS_CARRIER - | FE_HAS_SYNC | FE_HAS_VITERBI; - } else { - if (fw_delay_overflow(&pd->dvb_data)) - *stat |= FE_TIMEDOUT; - } -out: - mutex_unlock(&pd->lock); - return ret; -} - -static int poseidon_read_ber(struct dvb_frontend *fe, u32 *ber) -{ - struct poseidon *pd = fe->demodulator_priv; - struct tuner_ber_rate_s tlg_ber = {}; - s32 ret = -1, cmd_status; - - mutex_lock(&pd->lock); - ret = send_get_req(pd, TUNER_BER_RATE, 0, - &tlg_ber, &cmd_status, sizeof(tlg_ber)); - if (ret | cmd_status) - goto out; - *ber = tlg_ber.ber_rate; -out: - mutex_unlock(&pd->lock); - return ret; -} - -static s32 poseidon_read_signal_strength(struct dvb_frontend *fe, u16 *strength) -{ - struct poseidon *pd = fe->demodulator_priv; - struct tuner_dtv_sig_stat_s status = {}; - s32 ret = 0, cmd_status; - - mutex_lock(&pd->lock); - ret = send_get_req(pd, TUNER_STATUS, TLG_MODE_DVB_T, - &status, &cmd_status, sizeof(status)); - if (ret | cmd_status) - goto out; - if ((status.sig_present || status.sig_locked) && !status.sig_strength) - *strength = 0xFFFF; - else - *strength = status.sig_strength; -out: - mutex_unlock(&pd->lock); - return ret; -} - -static int poseidon_read_snr(struct dvb_frontend *fe, u16 *snr) -{ - return 0; -} - -static int poseidon_read_unc_blocks(struct dvb_frontend *fe, u32 *unc) -{ - *unc = 0; - return 0; -} - -static struct dvb_frontend_ops poseidon_frontend_ops = { - .delsys = { SYS_DVBT }, - .info = { - .name = "Poseidon DVB-T", - .frequency_min = 174000000, - .frequency_max = 862000000, - .frequency_stepsize = 62500,/* FIXME */ - .caps = FE_CAN_INVERSION_AUTO | - FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 | - FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO | - FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 | - FE_CAN_QAM_AUTO | FE_CAN_TRANSMISSION_MODE_AUTO | - FE_CAN_GUARD_INTERVAL_AUTO | - FE_CAN_RECOVER | - FE_CAN_HIERARCHY_AUTO, - }, - - .release = poseidon_fe_release, - - .init = poseidon_fe_init, - .sleep = poseidon_fe_sleep, - - .set_frontend = poseidon_set_fe, - .get_frontend = poseidon_get_fe, - .get_tune_settings = poseidon_fe_get_tune_settings, - - .read_status = poseidon_read_status, - .read_ber = poseidon_read_ber, - .read_signal_strength = poseidon_read_signal_strength, - .read_snr = poseidon_read_snr, - .read_ucblocks = poseidon_read_unc_blocks, - - .ts_bus_ctrl = poseidon_ts_bus_ctrl, -}; - -static void dvb_urb_irq(struct urb *urb) -{ - struct pd_dvb_adapter *pd_dvb = urb->context; - int len = urb->transfer_buffer_length; - struct dvb_demux *demux = &pd_dvb->demux; - s32 ret; - - if (!pd_dvb->is_streaming || urb->status) { - if (urb->status == -EPROTO) - goto resend; - return; - } - - if (urb->actual_length == len) - dvb_dmx_swfilter(demux, urb->transfer_buffer, len); - else if (urb->actual_length == len - 4) { - int offset; - u8 *buf = urb->transfer_buffer; - - /* - * The packet size is 512, - * last packet contains 456 bytes tsp data - */ - for (offset = 456; offset < len; offset += 512) { - if (!strncmp(buf + offset, "DVHS", 4)) { - dvb_dmx_swfilter(demux, buf, offset); - if (len > offset + 52 + 4) { - /*16 bytes trailer + 36 bytes padding */ - buf += offset + 52; - len -= offset + 52 + 4; - dvb_dmx_swfilter(demux, buf, len); - } - break; - } - } - } - -resend: - ret = usb_submit_urb(urb, GFP_ATOMIC); - if (ret) - log(" usb_submit_urb failed: error %d", ret); -} - -static int dvb_urb_init(struct pd_dvb_adapter *pd_dvb) -{ - if (pd_dvb->urb_array[0]) - return 0; - - alloc_bulk_urbs_generic(pd_dvb->urb_array, DVB_SBUF_NUM, - pd_dvb->pd_device->udev, pd_dvb->ep_addr, - DVB_URB_BUF_SIZE, GFP_KERNEL, - dvb_urb_irq, pd_dvb); - return 0; -} - -static void dvb_urb_cleanup(struct pd_dvb_adapter *pd_dvb) -{ - free_all_urb_generic(pd_dvb->urb_array, DVB_SBUF_NUM); -} - -static s32 dvb_start_streaming(struct pd_dvb_adapter *pd_dvb) -{ - struct poseidon *pd = pd_dvb->pd_device; - int ret = 0; - - if (pd->state & POSEIDON_STATE_DISCONNECT) - return -ENODEV; - - mutex_lock(&pd->lock); - if (!pd_dvb->is_streaming) { - s32 i, cmd_status = 0; - /* - * Once upon a time, there was a difficult bug lying here. - * ret = send_set_req(pd, TAKE_REQUEST, 0, &cmd_status); - */ - - ret = send_set_req(pd, PLAY_SERVICE, 1, &cmd_status); - if (ret | cmd_status) - goto out; - - ret = dvb_urb_init(pd_dvb); - if (ret < 0) |