diff options
author | Antti Palosaari <crope@iki.fi> | 2014-07-15 02:08:38 +0300 |
---|---|---|
committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2014-07-21 20:55:41 -0300 |
commit | 77bbb2b049c1c3e935f5bec510bec337d94ae8f8 (patch) | |
tree | 1b301d50628594fc215140211f4b7873f0d8bddd /drivers/staging/media | |
parent | e4462ffc1602d9df21c00a0381dca9080474e27a (diff) | |
download | op-kernel-dev-77bbb2b049c1c3e935f5bec510bec337d94ae8f8.zip op-kernel-dev-77bbb2b049c1c3e935f5bec510bec337d94ae8f8.tar.gz |
rtl2832_sdr: move from staging to media
Move rtl2832_sdr driver module from staging to media.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'drivers/staging/media')
-rw-r--r-- | drivers/staging/media/Kconfig | 2 | ||||
-rw-r--r-- | drivers/staging/media/Makefile | 1 | ||||
-rw-r--r-- | drivers/staging/media/rtl2832u_sdr/Kconfig | 7 | ||||
-rw-r--r-- | drivers/staging/media/rtl2832u_sdr/Makefile | 6 | ||||
-rw-r--r-- | drivers/staging/media/rtl2832u_sdr/rtl2832_sdr.c | 1528 | ||||
-rw-r--r-- | drivers/staging/media/rtl2832u_sdr/rtl2832_sdr.h | 54 |
6 files changed, 0 insertions, 1598 deletions
diff --git a/drivers/staging/media/Kconfig b/drivers/staging/media/Kconfig index 5942414..8abda14 100644 --- a/drivers/staging/media/Kconfig +++ b/drivers/staging/media/Kconfig @@ -40,8 +40,6 @@ source "drivers/staging/media/solo6x10/Kconfig" source "drivers/staging/media/omap4iss/Kconfig" -source "drivers/staging/media/rtl2832u_sdr/Kconfig" - # Keep LIRC at the end, as it has sub-menus source "drivers/staging/media/lirc/Kconfig" diff --git a/drivers/staging/media/Makefile b/drivers/staging/media/Makefile index 730c265..74a9d5a 100644 --- a/drivers/staging/media/Makefile +++ b/drivers/staging/media/Makefile @@ -11,5 +11,4 @@ obj-$(CONFIG_VIDEO_DM365_VPFE) += davinci_vpfe/ obj-$(CONFIG_VIDEO_OMAP4) += omap4iss/ obj-$(CONFIG_VIDEO_OMAP2) += omap24xx/ obj-$(CONFIG_VIDEO_TCM825X) += omap24xx/ -obj-$(CONFIG_DVB_RTL2832_SDR) += rtl2832u_sdr/ diff --git a/drivers/staging/media/rtl2832u_sdr/Kconfig b/drivers/staging/media/rtl2832u_sdr/Kconfig deleted file mode 100644 index 3ede5fe..0000000 --- a/drivers/staging/media/rtl2832u_sdr/Kconfig +++ /dev/null @@ -1,7 +0,0 @@ -config DVB_RTL2832_SDR - tristate "Realtek RTL2832 SDR" - depends on USB && DVB_CORE && I2C && VIDEO_V4L2 && DVB_USB_RTL28XXU - select DVB_RTL2832 - select VIDEOBUF2_VMALLOC - default m if !MEDIA_SUBDRV_AUTOSELECT - diff --git a/drivers/staging/media/rtl2832u_sdr/Makefile b/drivers/staging/media/rtl2832u_sdr/Makefile deleted file mode 100644 index 7e00a0d..0000000 --- a/drivers/staging/media/rtl2832u_sdr/Makefile +++ /dev/null @@ -1,6 +0,0 @@ -obj-$(CONFIG_DVB_RTL2832_SDR) += rtl2832_sdr.o - -ccflags-y += -Idrivers/media/dvb-core -ccflags-y += -Idrivers/media/dvb-frontends -ccflags-y += -Idrivers/media/tuners -ccflags-y += -Idrivers/media/usb/dvb-usb-v2 diff --git a/drivers/staging/media/rtl2832u_sdr/rtl2832_sdr.c b/drivers/staging/media/rtl2832u_sdr/rtl2832_sdr.c deleted file mode 100644 index f81b1c8..0000000 --- a/drivers/staging/media/rtl2832u_sdr/rtl2832_sdr.c +++ /dev/null @@ -1,1528 +0,0 @@ -/* - * Realtek RTL2832U SDR driver - * - * Copyright (C) 2013 Antti Palosaari <crope@iki.fi> - * - * 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 program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * 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., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * - * GNU Radio plugin "gr-kernel" for device usage will be on: - * http://git.linuxtv.org/anttip/gr-kernel.git - * - */ - -#include "dvb_frontend.h" -#include "rtl2832_sdr.h" -#include "dvb_usb.h" - -#include <media/v4l2-device.h> -#include <media/v4l2-ioctl.h> -#include <media/v4l2-ctrls.h> -#include <media/v4l2-event.h> -#include <media/videobuf2-vmalloc.h> - -#include <linux/jiffies.h> -#include <linux/math64.h> - -#define MAX_BULK_BUFS (10) -#define BULK_BUFFER_SIZE (128 * 512) - -static const struct v4l2_frequency_band bands_adc[] = { - { - .tuner = 0, - .type = V4L2_TUNER_ADC, - .index = 0, - .capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS, - .rangelow = 300000, - .rangehigh = 300000, - }, - { - .tuner = 0, - .type = V4L2_TUNER_ADC, - .index = 1, - .capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS, - .rangelow = 900001, - .rangehigh = 2800000, - }, - { - .tuner = 0, - .type = V4L2_TUNER_ADC, - .index = 2, - .capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS, - .rangelow = 3200000, - .rangehigh = 3200000, - }, -}; - -static const struct v4l2_frequency_band bands_fm[] = { - { - .tuner = 1, - .type = V4L2_TUNER_RF, - .index = 0, - .capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS, - .rangelow = 50000000, - .rangehigh = 2000000000, - }, -}; - -/* stream formats */ -struct rtl2832_sdr_format { - char *name; - u32 pixelformat; -}; - -static struct rtl2832_sdr_format formats[] = { - { - .name = "IQ U8", - .pixelformat = V4L2_SDR_FMT_CU8, - }, { - .name = "IQ U16LE (emulated)", - .pixelformat = V4L2_SDR_FMT_CU16LE, - }, -}; - -static const unsigned int NUM_FORMATS = ARRAY_SIZE(formats); - -/* intermediate buffers with raw data from the USB device */ -struct rtl2832_sdr_frame_buf { - struct vb2_buffer vb; /* common v4l buffer stuff -- must be first */ - struct list_head list; -}; - -struct rtl2832_sdr_state { -#define POWER_ON (1 << 1) -#define URB_BUF (1 << 2) - unsigned long flags; - - const struct rtl2832_config *cfg; - struct dvb_frontend *fe; - struct dvb_usb_device *d; - struct i2c_adapter *i2c; - u8 bank; - - struct video_device vdev; - struct v4l2_device v4l2_dev; - - /* videobuf2 queue and queued buffers list */ - struct vb2_queue vb_queue; - struct list_head queued_bufs; - spinlock_t queued_bufs_lock; /* Protects queued_bufs */ - unsigned sequence; /* buffer sequence counter */ - - /* Note if taking both locks v4l2_lock must always be locked first! */ - struct mutex v4l2_lock; /* Protects everything else */ - struct mutex vb_queue_lock; /* Protects vb_queue and capt_file */ - - /* Pointer to our usb_device, will be NULL after unplug */ - struct usb_device *udev; /* Both mutexes most be hold when setting! */ - - unsigned int vb_full; /* vb is full and packets dropped */ - - struct urb *urb_list[MAX_BULK_BUFS]; - int buf_num; - unsigned long buf_size; - u8 *buf_list[MAX_BULK_BUFS]; - dma_addr_t dma_addr[MAX_BULK_BUFS]; - int urbs_initialized; - int urbs_submitted; - - unsigned int f_adc, f_tuner; - u32 pixelformat; - - /* Controls */ - struct v4l2_ctrl_handler hdl; - struct v4l2_ctrl *bandwidth_auto; - struct v4l2_ctrl *bandwidth; - - /* for sample rate calc */ - unsigned int sample; - unsigned int sample_measured; - unsigned long jiffies_next; -}; - -/* write multiple hardware registers */ -static int rtl2832_sdr_wr(struct rtl2832_sdr_state *s, u8 reg, const u8 *val, - int len) -{ - int ret; -#define MAX_WR_LEN 24 -#define MAX_WR_XFER_LEN (MAX_WR_LEN + 1) - u8 buf[MAX_WR_XFER_LEN]; - struct i2c_msg msg[1] = { - { - .addr = s->cfg->i2c_addr, - .flags = 0, - .len = 1 + len, - .buf = buf, - } - }; - - if (WARN_ON(len > MAX_WR_LEN)) - return -EINVAL; - - buf[0] = reg; - memcpy(&buf[1], val, len); - - ret = i2c_transfer(s->i2c, msg, 1); - if (ret == 1) { - ret = 0; - } else { - dev_err(&s->i2c->dev, - "%s: I2C wr failed=%d reg=%02x len=%d\n", - KBUILD_MODNAME, ret, reg, len); - ret = -EREMOTEIO; - } - return ret; -} - -/* read multiple hardware registers */ -static int rtl2832_sdr_rd(struct rtl2832_sdr_state *s, u8 reg, u8 *val, int len) -{ - int ret; - struct i2c_msg msg[2] = { - { - .addr = s->cfg->i2c_addr, - .flags = 0, - .len = 1, - .buf = ®, - }, { - .addr = s->cfg->i2c_addr, - .flags = I2C_M_RD, - .len = len, - .buf = val, - } - }; - - ret = i2c_transfer(s->i2c, msg, 2); - if (ret == 2) { - ret = 0; - } else { - dev_err(&s->i2c->dev, - "%s: I2C rd failed=%d reg=%02x len=%d\n", - KBUILD_MODNAME, ret, reg, len); - ret = -EREMOTEIO; - } - return ret; -} - -/* write multiple registers */ -static int rtl2832_sdr_wr_regs(struct rtl2832_sdr_state *s, u16 reg, - const u8 *val, int len) -{ - int ret; - u8 reg2 = (reg >> 0) & 0xff; - u8 bank = (reg >> 8) & 0xff; - - /* switch bank if needed */ - if (bank != s->bank) { - ret = rtl2832_sdr_wr(s, 0x00, &bank, 1); - if (ret) - return ret; - - s->bank = bank; - } - - return rtl2832_sdr_wr(s, reg2, val, len); -} - -/* read multiple registers */ -static int rtl2832_sdr_rd_regs(struct rtl2832_sdr_state *s, u16 reg, u8 *val, - int len) -{ - int ret; - u8 reg2 = (reg >> 0) & 0xff; - u8 bank = (reg >> 8) & 0xff; - - /* switch bank if needed */ - if (bank != s->bank) { - ret = rtl2832_sdr_wr(s, 0x00, &bank, 1); - if (ret) - return ret; - - s->bank = bank; - } - - return rtl2832_sdr_rd(s, reg2, val, len); -} - -/* write single register */ -static int rtl2832_sdr_wr_reg(struct rtl2832_sdr_state *s, u16 reg, u8 val) -{ - return rtl2832_sdr_wr_regs(s, reg, &val, 1); -} - -#if 0 -/* read single register */ -static int rtl2832_sdr_rd_reg(struct rtl2832_sdr_state *s, u16 reg, u8 *val) -{ - return rtl2832_sdr_rd_regs(s, reg, val, 1); -} -#endif - -/* write single register with mask */ -static int rtl2832_sdr_wr_reg_mask(struct rtl2832_sdr_state *s, u16 reg, - u8 val, u8 mask) -{ - int ret; - u8 tmp; - - /* no need for read if whole reg is written */ - if (mask != 0xff) { - ret = rtl2832_sdr_rd_regs(s, reg, &tmp, 1); - if (ret) - return ret; - - val &= mask; - tmp &= ~mask; - val |= tmp; - } - - return rtl2832_sdr_wr_regs(s, reg, &val, 1); -} - -#if 0 -/* read single register with mask */ -static int rtl2832_sdr_rd_reg_mask(struct rtl2832_sdr_state *s, u16 reg, - u8 *val, u8 mask) -{ - int ret, i; - u8 tmp; - - ret = rtl2832_sdr_rd_regs(s, reg, &tmp, 1); - if (ret) - return ret; - - tmp &= mask; - - /* find position of the first bit */ - for (i = 0; i < 8; i++) { - if ((mask >> i) & 0x01) - break; - } - *val = tmp >> i; - - return 0; -} -#endif - -/* Private functions */ -static struct rtl2832_sdr_frame_buf *rtl2832_sdr_get_next_fill_buf( - struct rtl2832_sdr_state *s) -{ - unsigned long flags = 0; - struct rtl2832_sdr_frame_buf *buf = NULL; - - spin_lock_irqsave(&s->queued_bufs_lock, flags); - if (list_empty(&s->queued_bufs)) - goto leave; - - buf = list_entry(s->queued_bufs.next, - struct rtl2832_sdr_frame_buf, list); - list_del(&buf->list); -leave: - spin_unlock_irqrestore(&s->queued_bufs_lock, flags); - return buf; -} - -static unsigned int rtl2832_sdr_convert_stream(struct rtl2832_sdr_state *s, - void *dst, const u8 *src, unsigned int src_len) -{ - unsigned int dst_len; - - if (s->pixelformat == V4L2_SDR_FMT_CU8) { - /* native stream, no need to convert */ - memcpy(dst, src, src_len); - dst_len = src_len; - } else if (s->pixelformat == V4L2_SDR_FMT_CU16LE) { - /* convert u8 to u16 */ - unsigned int i; - u16 *u16dst = dst; - - for (i = 0; i < src_len; i++) - *u16dst++ = (src[i] << 8) | (src[i] >> 0); - dst_len = 2 * src_len; - } else { - dst_len = 0; - } - - /* calculate samping rate and output it in 10 seconds intervals */ - if (unlikely(time_is_before_jiffies(s->jiffies_next))) { -#define MSECS 10000UL - unsigned int samples = s->sample - s->sample_measured; - - s->jiffies_next = jiffies + msecs_to_jiffies(MSECS); - s->sample_measured = s->sample; - dev_dbg(&s->udev->dev, - "slen=%d samples=%u msecs=%lu sampling rate=%lu\n", - src_len, samples, MSECS, - samples * 1000UL / MSECS); - } - - /* total number of I+Q pairs */ - s->sample += src_len / 2; - - return dst_len; -} - -/* - * This gets called for the bulk stream pipe. This is done in interrupt - * time, so it has to be fast, not crash, and not stall. Neat. - */ -static void rtl2832_sdr_urb_complete(struct urb *urb) -{ - struct rtl2832_sdr_state *s = urb->context; - struct rtl2832_sdr_frame_buf *fbuf; - - dev_dbg_ratelimited(&s->udev->dev, - "%s: status=%d length=%d/%d errors=%d\n", - __func__, urb->status, urb->actual_length, - urb->transfer_buffer_length, urb->error_count); - - switch (urb->status) { - case 0: /* success */ - case -ETIMEDOUT: /* NAK */ - break; - case -ECONNRESET: /* kill */ - case -ENOENT: - case -ESHUTDOWN: - return; - default: /* error */ - dev_err_ratelimited(&s->udev->dev, "urb failed=%d\n", - urb->status); - break; - } - - if (likely(urb->actual_length > 0)) { - void *ptr; - unsigned int len; - /* get free framebuffer */ - fbuf = rtl2832_sdr_get_next_fill_buf(s); - if (unlikely(fbuf == NULL)) { - s->vb_full++; - dev_notice_ratelimited(&s->udev->dev, - "videobuf is full, %d packets dropped\n", - s->vb_full); - goto skip; - } - - /* fill framebuffer */ - ptr = vb2_plane_vaddr(&fbuf->vb, 0); - len = rtl2832_sdr_convert_stream(s, ptr, urb->transfer_buffer, - urb->actual_length); - vb2_set_plane_payload(&fbuf->vb, 0, len); - v4l2_get_timestamp(&fbuf->vb.v4l2_buf.timestamp); - fbuf->vb.v4l2_buf.sequence = s->sequence++; - vb2_buffer_done(&fbuf->vb, VB2_BUF_STATE_DONE); - } -skip: - usb_submit_urb(urb, GFP_ATOMIC); -} - -static int rtl2832_sdr_kill_urbs(struct rtl2832_sdr_state *s) -{ - int i; - - for (i = s->urbs_submitted - 1; i >= 0; i--) { - dev_dbg(&s->udev->dev, "%s: kill urb=%d\n", __func__, i); - /* stop the URB */ - usb_kill_urb(s->urb_list[i]); - } - s->urbs_submitted = 0; - - return 0; -} - -static int rtl2832_sdr_submit_urbs(struct rtl2832_sdr_state *s) -{ - int i, ret; - - for (i = 0; i < s->urbs_initialized; i++) { - dev_dbg(&s->udev->dev, "%s: submit urb=%d\n", __func__, i); - ret = usb_submit_urb(s->urb_list[i], GFP_ATOMIC); - if (ret) { - dev_err(&s->udev->dev, - "Could not submit urb no. %d - get them all back\n", - i); - rtl2832_sdr_kill_urbs(s); - return ret; - } - s->urbs_submitted++; - } - - return 0; -} - -static int rtl2832_sdr_free_stream_bufs(struct rtl2832_sdr_state *s) -{ - if (s->flags & USB_STATE_URB_BUF) { - while (s->buf_num) { - s->buf_num--; - dev_dbg(&s->udev->dev, "%s: free buf=%d\n", - __func__, s->buf_num); - usb_free_coherent(s->udev, s->buf_size, - s->buf_list[s->buf_num], - s->dma_addr[s->buf_num]); - } - } - s->flags &= ~USB_STATE_URB_BUF; - - return 0; -} - -static int rtl2832_sdr_alloc_stream_bufs(struct rtl2832_sdr_state *s) -{ - s->buf_num = 0; - s->buf_size = BULK_BUFFER_SIZE; - - dev_dbg(&s->udev->dev, - "%s: all in all I will use %u bytes for streaming\n", - __func__, MAX_BULK_BUFS * BULK_BUFFER_SIZE); - - for (s->buf_num = 0; s->buf_num < MAX_BULK_BUFS; s->buf_num++) { - s->buf_list[s->buf_num] = usb_alloc_coherent(s->udev, - BULK_BUFFER_SIZE, GFP_ATOMIC, - &s->dma_addr[s->buf_num]); - if (!s->buf_list[s->buf_num]) { - dev_dbg(&s->udev->dev, "%s: alloc buf=%d failed\n", - __func__, s->buf_num); - rtl2832_sdr_free_stream_bufs(s); - return -ENOMEM; - } - - dev_dbg(&s->udev->dev, "%s: alloc buf=%d %p (dma %llu)\n", - __func__, s->buf_num, - s->buf_list[s->buf_num], - (long long)s->dma_addr[s->buf_num]); - s->flags |= USB_STATE_URB_BUF; - } - - return 0; -} - -static int rtl2832_sdr_free_urbs(struct rtl2832_sdr_state *s) -{ - int i; - - rtl2832_sdr_kill_urbs(s); - - for (i = s->urbs_initialized - 1; i >= 0; i--) { - if (s->urb_list[i]) { - dev_dbg(&s->udev->dev, "%s: free urb=%d\n", - __func__, i); - /* free the URBs */ - usb_free_urb(s->urb_list[i]); - } - } - s->urbs_initialized = 0; - - return 0; -} - -static int rtl2832_sdr_alloc_urbs(struct rtl2832_sdr_state *s) -{ - int i, j; - - /* allocate the URBs */ - for (i = 0; i < MAX_BULK_BUFS; i++) { - dev_dbg(&s->udev->dev, "%s: alloc urb=%d\n", __func__, i); - s->urb_list[i] = usb_alloc_urb(0, GFP_ATOMIC); - if (!s->urb_list[i]) { - dev_dbg(&s->udev->dev, "%s: failed\n", __func__); - for (j = 0; j < i; j++) - usb_free_urb(s->urb_list[j]); - return -ENOMEM; - } - usb_fill_bulk_urb(s->urb_list[i], - s->udev, - usb_rcvbulkpipe(s->udev, 0x81), - s->buf_list[i], - BULK_BUFFER_SIZE, - rtl2832_sdr_urb_complete, s); - - s->urb_list[i]->transfer_flags = URB_NO_TRANSFER_DMA_MAP; - s->urb_list[i]->transfer_dma = s->dma_addr[i]; - s->urbs_initialized++; - } - - return 0; -} - -/* Must be called with vb_queue_lock hold */ -static void rtl2832_sdr_cleanup_queued_bufs(struct rtl2832_sdr_state *s) -{ - unsigned long flags = 0; - - dev_dbg(&s->udev->dev, "%s:\n", __func__); - - spin_lock_irqsave(&s->queued_bufs_lock, flags); - while (!list_empty(&s->queued_bufs)) { - struct rtl2832_sdr_frame_buf *buf; - - buf = list_entry(s->queued_bufs.next, - struct rtl2832_sdr_frame_buf, list); - list_del(&buf->list); - vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR); - } - spin_unlock_irqrestore(&s->queued_bufs_lock, flags); -} - -/* The user yanked out the cable... */ -static void rtl2832_sdr_release_sec(struct dvb_frontend *fe) -{ - struct rtl2832_sdr_state *s = fe->sec_priv; - - dev_dbg(&s->udev->dev, "%s:\n", __func__); - - mutex_lock(&s->vb_queue_lock); - mutex_lock(&s->v4l2_lock); - /* No need to keep the urbs around after disconnection */ - s->udev = NULL; - - v4l2_device_disconnect(&s->v4l2_dev); - video_unregister_device(&s->vdev); - mutex_unlock(&s->v4l2_lock); - mutex_unlock(&s->vb_queue_lock); - - v4l2_device_put(&s->v4l2_dev); - - fe->sec_priv = NULL; -} - -static int rtl2832_sdr_querycap(struct file *file, void *fh, - struct v4l2_capability *cap) -{ - struct rtl2832_sdr_state *s = video_drvdata(file); - - dev_dbg(&s->udev->dev, "%s:\n", __func__); - - strlcpy(cap->driver, KBUILD_MODNAME, sizeof(cap->driver)); - strlcpy(cap->card, s->vdev.name, sizeof(cap->card)); - usb_make_path(s->udev, cap->bus_info, sizeof(cap->bus_info)); - cap->device_caps = V4L2_CAP_SDR_CAPTURE | V4L2_CAP_STREAMING | - V4L2_CAP_READWRITE | V4L2_CAP_TUNER; - cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; - return 0; -} - -/* Videobuf2 operations */ -static int rtl2832_sdr_queue_setup(struct vb2_queue *vq, - const struct v4l2_format *fmt, unsigned int *nbuffers, - unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) -{ - struct rtl2832_sdr_state *s = vb2_get_drv_priv(vq); - - dev_dbg(&s->udev->dev, "%s: *nbuffers=%d\n", __func__, *nbuffers); - - /* Need at least 8 buffers */ - if (vq->num_buffers + *nbuffers < 8) - *nbuffers = 8 - vq->num_buffers; - *nplanes = 1; - /* 2 = max 16-bit sample returned */ - sizes[0] = PAGE_ALIGN(BULK_BUFFER_SIZE * 2); - dev_dbg(&s->udev->dev, "%s: nbuffers=%d sizes[0]=%d\n", - __func__, *nbuffers, sizes[0]); - return 0; -} - -static int rtl2832_sdr_buf_prepare(struct vb2_buffer *vb) -{ - struct rtl2832_sdr_state *s = vb2_get_drv_priv(vb->vb2_queue); - - /* Don't allow queing new buffers after device disconnection */ - if (!s->udev) - return -ENODEV; - - return 0; -} - -static void rtl2832_sdr_buf_queue(struct vb2_buffer *vb) -{ - struct rtl2832_sdr_state *s = vb2_get_drv_priv(vb->vb2_queue); - struct rtl2832_sdr_frame_buf *buf = - container_of(vb, struct rtl2832_sdr_frame_buf, vb); - unsigned long flags = 0; - - /* Check the device has not disconnected between prep and queuing */ - if (!s->udev) { - vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR); - return; - } - - spin_lock_irqsave(&s->queued_bufs_lock, flags); - list_add_tail(&buf->list, &s->queued_bufs); - spin_unlock_irqrestore(&s->queued_bufs_lock, flags); -} - -static int rtl2832_sdr_set_adc(struct rtl2832_sdr_state *s) -{ - struct dvb_frontend *fe = s->fe; - int ret; - unsigned int f_sr, f_if; - u8 buf[4], u8tmp1, u8tmp2; - u64 u64tmp; - u32 u32tmp; - - dev_dbg(&s->udev->dev, "%s: f_adc=%u\n", __func__, s->f_adc); - - if (!test_bit(POWER_ON, &s->flags)) - return 0; - - if (s->f_adc == 0) - return 0; - - f_sr = s->f_adc; - - ret = rtl2832_sdr_wr_regs(s, 0x13e, "\x00\x00", 2); - if (ret) - goto err; - - ret = rtl2832_sdr_wr_regs(s, 0x115, "\x00\x00\x00\x00", 4); - if (ret) - goto err; - - /* get IF from tuner */ - if (fe->ops.tuner_ops.get_if_frequency) - ret = fe->ops.tuner_ops.get_if_frequency(fe, &f_if); - else - ret = -EINVAL; - - if (ret) - goto err; - - /* program IF */ - u64tmp = f_if % s->cfg->xtal; - u64tmp *= 0x400000; - u64tmp = div_u64(u64tmp, s->cfg->xtal); - u64tmp = -u64tmp; - u32tmp = u64tmp & 0x3fffff; - - dev_dbg(&s->udev->dev, "%s: f_if=%u if_ctl=%08x\n", - __func__, f_if, u32tmp); - - buf[0] = (u32tmp >> 16) & 0xff; - buf[1] = (u32tmp >> 8) & 0xff; - buf[2] = (u32tmp >> 0) & 0xff; - - ret = rtl2832_sdr_wr_regs(s, 0x119, buf, 3); - if (ret) - goto err; - - /* BB / IF mode */ - /* POR: 0x1b1=0x1f, 0x008=0x0d, 0x006=0x80 */ - if (f_if) { - u8tmp1 = 0x1a; /* disable Zero-IF */ - u8tmp2 = 0x8d; /* enable ADC I */ - } else { - u8tmp1 = 0x1b; /* enable Zero-IF, DC, IQ */ - u8tmp2 = 0xcd; /* enable ADC I, ADC Q */ - } - - ret = rtl2832_sdr_wr_reg(s, 0x1b1, u8tmp1); - if (ret) - goto err; - - ret = rtl2832_sdr_wr_reg(s, 0x008, u8tmp2); - if (ret) - goto err; - - ret = rtl2832_sdr_wr_reg(s, 0x006, 0x80); - if (ret) - goto err; - - /* program sampling rate (resampling down) */ - u32tmp = div_u64(s->cfg->xtal * 0x400000ULL, f_sr * 4U); - u32tmp <<= 2; - buf[0] = (u32tmp >> 24) & 0xff; - buf[1] = (u32tmp >> 16) & 0xff; - buf[2] = (u32tmp >> 8) & 0xff; - buf[3] = (u32tmp >> 0) & 0xff; - ret = rtl2832_sdr_wr_regs(s, 0x19f, buf, 4); - if (ret) - goto err; - - /* low-pass filter */ - ret = rtl2832_sdr_wr_regs(s, 0x11c, - "\xca\xdc\xd7\xd8\xe0\xf2\x0e\x35\x06\x50\x9c\x0d\x71\x11\x14\x71\x74\x19\x41\xa5", - 20); - if (ret) - goto err; - - ret = rtl2832_sdr_wr_regs(s, 0x017, "\x11\x10", 2); - if (ret) - goto err; - - /* mode */ - ret = rtl2832_sdr_wr_regs(s, 0x019, "\x05", 1); - if (ret) - goto err; - - ret = rtl2832_sdr_wr_regs(s, 0x01a, "\x1b\x16\x0d\x06\x01\xff", 6); - if (ret) - goto err; - - /* FSM */ - ret = rtl2832_sdr_wr_regs(s, 0x192, "\x00\xf0\x0f", 3); - if (ret) - goto err; - - /* PID filter */ - ret = rtl2832_sdr_wr_regs(s, 0x061, "\x60", 1); - if (ret) - goto err; - - /* used RF tuner based settings */ - switch (s->cfg->tuner) { - case RTL2832_TUNER_E4000: - ret = rtl2832_sdr_wr_regs(s, 0x112, "\x5a", 1); - ret = rtl2832_sdr_wr_regs(s, 0x102, "\x40", 1); - ret = rtl2832_sdr_wr_regs(s, 0x103, "\x5a", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1c7, "\x30", 1); - ret = rtl2832_sdr_wr_regs(s, 0x104, "\xd0", 1); - ret = rtl2832_sdr_wr_regs(s, 0x105, "\xbe", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1c8, "\x18", 1); - ret = rtl2832_sdr_wr_regs(s, 0x106, "\x35", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1c9, "\x21", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1ca, "\x21", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1cb, "\x00", 1); - ret = rtl2832_sdr_wr_regs(s, 0x107, "\x40", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1cd, "\x10", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1ce, "\x10", 1); - ret = rtl2832_sdr_wr_regs(s, 0x108, "\x80", 1); - ret = rtl2832_sdr_wr_regs(s, 0x109, "\x7f", 1); - ret = rtl2832_sdr_wr_regs(s, 0x10a, "\x80", 1); - ret = rtl2832_sdr_wr_regs(s, 0x10b, "\x7f", 1); - ret = rtl2832_sdr_wr_regs(s, 0x00e, "\xfc", 1); - ret = rtl2832_sdr_wr_regs(s, 0x00e, "\xfc", 1); - ret = rtl2832_sdr_wr_regs(s, 0x011, "\xd4", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1e5, "\xf0", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1d9, "\x00", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1db, "\x00", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1dd, "\x14", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1de, "\xec", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1d8, "\x0c", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1e6, "\x02", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1d7, "\x09", 1); - ret = rtl2832_sdr_wr_regs(s, 0x00d, "\x83", 1); - ret = rtl2832_sdr_wr_regs(s, 0x010, "\x49", 1); - ret = rtl2832_sdr_wr_regs(s, 0x00d, "\x87", 1); - ret = rtl2832_sdr_wr_regs(s, 0x00d, "\x85", 1); - ret = rtl2832_sdr_wr_regs(s, 0x013, "\x02", 1); - break; - case RTL2832_TUNER_FC0012: - case RTL2832_TUNER_FC0013: - ret = rtl2832_sdr_wr_regs(s, 0x112, "\x5a", 1); - ret = rtl2832_sdr_wr_regs(s, 0x102, "\x40", 1); - ret = rtl2832_sdr_wr_regs(s, 0x103, "\x5a", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1c7, "\x2c", 1); - ret = rtl2832_sdr_wr_regs(s, 0x104, "\xcc", 1); - ret = rtl2832_sdr_wr_regs(s, 0x105, "\xbe", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1c8, "\x16", 1); - ret = rtl2832_sdr_wr_regs(s, 0x106, "\x35", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1c9, "\x21", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1ca, "\x21", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1cb, "\x00", 1); - ret = rtl2832_sdr_wr_regs(s, 0x107, "\x40", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1cd, "\x10", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1ce, "\x10", 1); - ret = rtl2832_sdr_wr_regs(s, 0x108, "\x80", 1); - ret = rtl2832_sdr_wr_regs(s, 0x109, "\x7f", 1); - ret = rtl2832_sdr_wr_regs(s, 0x10a, "\x80", 1); - ret = rtl2832_sdr_wr_regs(s, 0x10b, "\x7f", 1); - ret = rtl2832_sdr_wr_regs(s, 0x00e, "\xfc", 1); - ret = rtl2832_sdr_wr_regs(s, 0x00e, "\xfc", 1); - ret = rtl2832_sdr_wr_regs(s, 0x011, "\xe9\xbf", 2); - ret = rtl2832_sdr_wr_regs(s, 0x1e5, "\xf0", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1d9, "\x00", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1db, "\x00", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1dd, "\x11", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1de, "\xef", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1d8, "\x0c", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1e6, "\x02", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1d7, "\x09", 1); - break; - case RTL2832_TUNER_R820T: - ret = rtl2832_sdr_wr_regs(s, 0x112, "\x5a", 1); - ret = rtl2832_sdr_wr_regs(s, 0x102, "\x40", 1); - ret = rtl2832_sdr_wr_regs(s, 0x115, "\x01", 1); - ret = rtl2832_sdr_wr_regs(s, 0x103, "\x80", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1c7, "\x24", 1); - ret = rtl2832_sdr_wr_regs(s, 0x104, "\xcc", 1); - ret = rtl2832_sdr_wr_regs(s, 0x105, "\xbe", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1c8, "\x14", 1); - ret = rtl2832_sdr_wr_regs(s, 0x106, "\x35", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1c9, "\x21", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1ca, "\x21", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1cb, "\x00", 1); - ret = rtl2832_sdr_wr_regs(s, 0x107, "\x40", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1cd, "\x10", 1); - ret = rtl2832_sdr_wr_regs(s, 0x1ce, "\x10", 1); - ret = rtl2832_sdr_wr_regs(s, 0x108, "\x80", 1); - ret = rtl2832_sdr_wr_regs(s, 0x109, "\x7f", 1); - ret = rtl2832_sdr_wr_regs(s, 0x10a, "\x80", 1); - ret = rtl2832_sdr_wr_regs(s, 0x10b, "\x7f", 1); - ret = rtl2832_sdr_wr_regs(s, 0x00e, "\xfc", 1); - ret = rtl2832_sdr_wr_regs(s, 0x00e, "\xfc", 1); - ret = rtl2832_sdr_wr_regs(s, 0x011, "\xf4", 1); - break; - default: - dev_notice(&s->udev->dev, "Unsupported tuner\n"); - } - - /* software reset */ - ret = rtl2832_sdr_wr_reg_mask(s, 0x101, 0x04, 0x04); - if (ret) - goto err; - - ret = rtl2832_sdr_wr_reg_mask(s, 0x101, 0x00, 0x04); - if (ret) - goto err; -err: - return ret; -}; - -static void rtl2832_sdr_unset_adc(struct rtl2832_sdr_state *s) -{ - int ret; - - dev_dbg(&s->udev->dev, "%s:\n", __func__); - - /* PID filter */ - ret = rtl2832_sdr_wr_regs(s, 0x061, "\xe0", 1); - if (ret) - goto err; - - /* mode */ - ret = rtl2832_sdr_wr_regs(s, 0x019, "\x20", 1); - if (ret) - goto err; - - ret = rtl2832_sdr_wr_regs(s, 0x017, "\x11\x10", 2); - if (ret) - goto err; - - /* FSM */ - ret = rtl2832_sdr_wr_regs(s, 0x192, "\x00\x0f\xff", 3); - if (ret) - goto err; - - ret = rtl2832_sdr_wr_regs(s, 0x13e, "\x40\x00", 2); - if (ret) - goto err; - - ret = rtl2832_sdr_wr_regs(s, 0x115, "\x06\x3f\xce\xcc", 4); - if (ret) - goto err; -err: - return; -}; - -static int rtl2832_sdr_set_tuner_freq(struct rtl2832_sdr_state *s) -{ - struct dvb_frontend *fe = s->fe; - struct dtv_frontend_properties *c = &fe->dtv_property_cache; - struct v4l2_ctrl *bandwidth_auto; - struct v4l2_ctrl *bandwidth; - - /* - * tuner RF (Hz) - */ - if (s->f_tuner == 0) - return 0; - - /* - * bandwidth (Hz) - */ - bandwidth_auto = v4l2_ctrl_find(&s->hdl, - V4L2_CID_RF_TUNER_BANDWIDTH_AUTO); - bandwidth = v4l2_ctrl_find(&s->hdl, V4L2_CID_RF_TUNER_BANDWIDTH); - if (v4l2_ctrl_g_ctrl(bandwidth_auto)) { - c->bandwidth_hz = s->f_adc; - v4l2_ctrl_s_ctrl(bandwidth, s->f_adc); - } else { - c->bandwidth_hz = v4l2_ctrl_g_ctrl(bandwidth); - } - - c->frequency = s->f_tuner; - c->delivery_system = SYS_DVBT; - - dev_dbg(&s->udev->dev, "%s: frequency=%u bandwidth=%d\n", - __func__, c->frequency, c->bandwidth_hz); - - if (!test_bit(POWER_ON, &s->flags)) - return 0; - - if (fe->ops.tuner_ops.set_params) - fe->ops.tuner_ops.set_params(fe); - - return 0; -}; - -static int rtl2832_sdr_set_tuner(struct rtl2832_sdr_state *s) -{ - struct dvb_frontend *fe = s->fe; - - dev_dbg(&s->udev->dev, "%s:\n", __func__); - - if (fe->ops.tuner_ops.init) - fe->ops.tuner_ops.init(fe); - - return 0; -}; - -static void rtl2832_sdr_unset_tuner(struct rtl2832_sdr_state *s) -{ - struct dvb_frontend *fe = s->fe; - - dev_dbg(&s->udev->dev, "%s:\n", __func__); - - if (fe->ops.tuner_ops.sleep) - fe->ops.tuner_ops.sleep(fe); - - return; -}; - -static int rtl2832_sdr_start_streaming(struct vb2_queue *vq, unsigned int count) -{ - struct rtl2832_sdr_state *s = vb2_get_drv_priv(vq); - int ret; - - dev_dbg(&s->udev->dev, "%s:\n", __func__); - - if (!s->udev) - return -ENODEV; - - if (mutex_lock_interruptible(&s->v4l2_lock)) - return -ERESTARTSYS; - - if (s->d->props->power_ctrl) - s->d->props->power_ctrl(s->d, 1); - - set_bit(POWER_ON, &s->flags); - - ret = rtl2832_sdr_set_tuner(s); - if (ret) - goto err; - - ret = rtl2832_sdr_set_tuner_freq(s); - if (ret) - goto err; - - ret = rtl2832_sdr_set_adc(s); - if (ret) - goto err; - - ret = rtl2832_sdr_alloc_stream_bufs(s); - if (ret) - goto err; - - ret = rtl2832_sdr_alloc_urbs(s); - if (ret) - goto err; - - s->sequence = 0; - - ret = rtl2832_sdr_submit_urbs(s); - if (ret) - goto err; - -err: - mutex_unlock(&s->v4l2_lock); - - return ret; -} - -static void rtl2832_sdr_stop_streaming(struct vb2_queue *vq) -{ - struct rtl2832_sdr_state *s = vb2_get_drv_priv(vq); - - dev_dbg(&s->udev->dev, "%s:\n", __func__); - - mutex_lock(&s->v4l2_lock); - - rtl2832_sdr_kill_urbs(s); - rtl2832_sdr_free_urbs(s); - rtl2832_sdr_free_stream_bufs(s); - rtl2832_sdr_cleanup_queued_bufs(s); - rtl2832_sdr_unset_adc(s); - rtl2832_sdr_unset_tuner(s); - - clear_bit(POWER_ON, &s->flags); - - if (s->d->props->power_ctrl) - s->d->props->power_ctrl(s->d, 0); - - mutex_unlock(&s->v4l2_lock); -} - -static struct vb2_ops rtl2832_sdr_vb2_ops = { - .queue_setup = rtl2832_sdr_queue_setup, - .buf_prepare = rtl2832_sdr_buf_prepare, - .buf_queue = rtl2832_sdr_buf_queue, - .start_streaming = rtl2832_sdr_start_streaming, - .stop_streaming = rtl2832_sdr_stop_streaming, - .wait_prepare = vb2_ops_wait_prepare, - .wait_finish = vb2_ops_wait_finish, -}; - -static int rtl2832_sdr_g_tuner(struct file *file, void *priv, - struct v4l2_tuner *v) -{ - struct rtl2832_sdr_state *s = video_drvdata(file); - - dev_dbg(&s->udev->dev, "%s: index=%d type=%d\n", - __func__, v->index, v->type); - - if (v->index == 0) { - strlcpy(v->name, "ADC: Realtek RTL2832", sizeof(v->name)); - v->type = V4L2_TUNER_ADC; - v->capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS; - v->rangelow = 300000; - v->rangehigh = 3200000; - } else if (v->index == 1) { - strlcpy(v->name, "RF: <unknown>", sizeof(v->name)); - v->type = V4L2_TUNER_RF; - v->capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS; - v->rangelow = 50000000; - v->rangehigh = 2000000000; - } else { - return -EINVAL; - } - - return 0; -} - -static int rtl2832_sdr_s_tuner(struct file *file, void *priv, - const struct v4l2_tuner *v) -{ - struct rtl2832_sdr_state *s = video_drvdata(file); - - dev_dbg(&s->udev->dev, "%s:\n", __func__); - - if (v->index > 1) - return -EINVAL; - return 0; -} - -static int rtl2832_sdr_enum_freq_bands(struct file *file, void *priv, - struct v4l2_frequency_band *band) -{ - struct rtl2832_sdr_state *s = video_drvdata(file); - - dev_dbg(&s->udev->dev, "%s: tuner=%d type=%d index=%d\n", - __func__, band->tuner, band->type, band->index); - - if (band->tuner == 0) { - if (band->index >= ARRAY_SIZE(bands_adc)) - return -EINVAL; - - *band = bands_adc[band->index]; - } else if (band->tuner == 1) { - if (band->index >= ARRAY_SIZE(bands_fm)) - return -EINVAL; - - *band = bands_fm[band->index]; - } else { - return -EINVAL; - } - - return 0; -} - -static int rtl2832_sdr_g_frequency(struct file *file, void *priv, - struct v4l2_frequency *f) -{ - struct rtl2832_sdr_state *s = video_drvdata(file); - int ret = 0; - - dev_dbg(&s->udev->dev, "%s: tuner=%d type=%d\n", - __func__, f->tuner, f->type); - - if (f->tuner == 0) { - f->frequency = s->f_adc; - f->type = V4L2_TUNER_ADC; - } else if (f->tuner == 1) { - f->frequency = s->f_tuner; - f->type = V4L2_TUNER_RF; - } else { - return -EINVAL; - } - - return ret; -} - -static int rtl2832_sdr_s_frequency(struct file *file, void *priv, - const struct v4l2_frequency *f) -{ - struct rtl2832_sdr_state *s = video_drvdata(file); - int ret, band; - - dev_dbg(&s->udev->dev, "%s: tuner=%d type=%d frequency=%u\n", - __func__, f->tuner, f->type, f->frequency); - - /* ADC band midpoints */ - #define BAND_ADC_0 ((bands_adc[0].rangehigh + bands_adc[1].rangelow) / 2) - #define BAND_ADC_1 ((bands_adc[1].rangehigh + bands_adc[2].rangelow) / 2) - - if (f->tuner == 0 && f->type == V4L2_TUNER_ADC) { - if (f->frequency < BAND_ADC_0) - band = 0; - else if (f->frequency < BAND_ADC_1) - band = 1; - else - band = 2; - - s->f_adc = clamp_t(unsigned int, f->frequency, - bands_adc[band].rangelow, - bands_adc[band].rangehigh); - - dev_dbg(&s->udev->dev, "%s: ADC frequency=%u Hz\n", - __func__, s->f_adc); - ret = rtl2832_sdr_set_adc(s); - } else if (f->tuner == 1) { - s->f_tuner = clamp_t(unsigned int, f->frequency, - bands_fm[0].rangelow, - bands_fm[0].rangehigh); - dev_dbg(&s->udev->dev, "%s: RF frequency=%u Hz\n", - __func__, f->frequency); - - ret = rtl2832_sdr_set_tuner_freq(s); - } else { - ret = -EINVAL; - } - - return ret; -} - -static int rtl2832_sdr_enum_fmt_sdr_cap(struct file *file, void *priv, - struct v4l2_fmtdesc *f) -{ - struct rtl2832_sdr_state *s = video_drvdata(file); - - dev_dbg(&s->udev->dev, "%s:\n", __func__); - - if (f->index >= NUM_FORMATS) - return -EINVAL; - - strlcpy(f->description, formats[f->index].name, sizeof(f->description)); - f->pixelformat = formats[f->index].pixelformat; - - return 0; -} - -static int rtl2832_sdr_g_fmt_sdr_cap(struct file *file, void *priv, - struct v4l2_format *f) -{ - struct rtl2832_sdr_state *s = video_drvdata(file); - - dev_dbg(&s->udev->dev, "%s:\n", __func__); - - f->fmt.sdr.pixelformat = s->pixelformat; - memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved)); - - return 0; -} - -static int rtl2832_sdr_s_fmt_sdr_cap(struct file *file, void *priv, - struct v4l2_format *f) -{ - struct rtl2832_sdr_state *s = video_drvdata(file); - struct vb2_queue *q = &s->vb_queue; - int i; - - dev_dbg(&s->udev->dev, "%s: pixelformat fourcc %4.4s\n", __func__, - (char *)&f->fmt.sdr.pixelformat); - - if (vb2_is_busy(q)) - return -EBUSY; - - memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved)); - for (i = 0; i < NUM_FORMATS; i++) { - if (formats[i].pixelformat == f->fmt.sdr.pixelformat) { - s->pixelformat = f->fmt.sdr.pixelformat; - return 0; - } - } - - f->fmt.sdr.pixelformat = formats[0].pixelformat; - s->pixelformat = formats[0].pixelformat; - - return 0; -} - -static int rtl2832_sdr_try_fmt_sdr_cap(struct file *file, void *priv, - struct v4l2_format *f) -{ - struct rtl2832_sdr_state *s = video_drvdata(file); - int i; - - dev_dbg(&s->udev->dev, "%s: pixelformat fourcc %4.4s\n", __func__, - (char *)&f->fmt.sdr.pixelformat); - - memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved)); - for (i = 0; i < NUM_FORMATS; i++) { - if (formats[i].pixelformat == f->fmt.sdr.pixelformat) - return 0; - } - - f->fmt.sdr.pixelformat = formats[0].pixelformat; - - return 0; -} - -static const struct v4l2_ioctl_ops rtl2832_sdr_ioctl_ops = { - .vidioc_querycap = rtl2832_sdr_querycap, - - .vidioc_enum_fmt_sdr_cap = rtl2832_sdr_enum_fmt_sdr_cap, - .vidioc_g_fmt_sdr_cap = rtl2832_sdr_g_fmt_sdr_cap, - .vidioc_s_fmt_sdr_cap = rtl2832_sdr_s_fmt_sdr_cap, - .vidioc_try_fmt_sdr_cap = rtl2832_sdr_try_fmt_sdr_cap, - - .vidioc_reqbufs = vb2_ioctl_reqbufs, - .vidioc_create_bufs = vb2_ioctl_create_bufs, - .vidioc_prepare_buf = vb2_ioctl_prepare_buf, - .vidioc_querybuf = vb2_ioctl_querybuf, - .vidioc_qbuf = vb2_ioctl_qbuf, - .vidioc_dqbuf = vb2_ioctl_dqbuf, - - .vidioc_streamon = vb2_ioctl_streamon, - .vidioc_streamoff = vb2_ioctl_streamoff, - - .vidioc_g_tuner = rtl2832_sdr_g_tuner, - .vidioc_s_tuner = rtl2832_sdr_s_tuner, - - .vidioc_enum_freq_bands = rtl2832_sdr_enum_freq_bands, - .vidioc_g_frequency = rtl2832_sdr_g_frequency, - .vidioc_s_frequency = rtl2832_sdr_s_frequency, - - .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, - .vidioc_unsubscribe_event = v4l2_event_unsubscribe, - .vidioc_log_status = v4l2_ctrl_log_status, -}; - -static const struct v4l2_file_operations rtl2832_sdr_fops = { - .owner = THIS_MODULE, - .open = v4l2_fh_open, - .release = vb2_fop_release, - .read = vb2_fop_read, - .poll = vb2_fop_poll, - .mmap = vb2_fop_mmap, - .unlocked_ioctl = video_ioctl2, -}; - -static struct video_device rtl2832_sdr_template = { - .name = "Realtek RTL2832 SDR", - .release = video_device_release_empty, - .fops = &rtl2832_sdr_fops, - .ioctl_ops = &rtl2832_sdr_ioctl_ops, -}; - -static int rtl2832_sdr_s_ctrl(struct v4l2_ctrl *ctrl) -{ - struct rtl2832_sdr_state *s = - container_of(ctrl->handler, struct rtl2832_sdr_state, - hdl); - struct dvb_frontend *fe = s->fe; - struct dtv_frontend_properties *c = &fe->dtv_property_cache; - int ret; - - dev_dbg(&s->udev->dev, - "%s: id=%d name=%s val=%d min=%lld max=%lld step=%lld\n", - __func__, ctrl->id, ctrl->name, ctrl->val, - ctrl->minimum, ctrl->maximum, ctrl->step); - - switch (ctrl->id) { - case V4L2_CID_RF_TUNER_BANDWIDTH_AUTO: - case V4L2_CID_RF_TUNER_BANDWIDTH: - /* TODO: these controls should be moved to tuner drivers */ - if (s->bandwidth_auto->val) { - /* Round towards the closest legal value */ - s32 val = s->f_adc + s->bandwidth->step / 2; - u32 offset; - - val = clamp_t(s32, val, s->bandwidth->minimum, - s->bandwidth->maximum); - offset = val - s->bandwidth->minimum; - offset = s->bandwidth->step * - (offset / s->bandwidth->step); - s->bandwidth->val = s->bandwidth->minimum + offset; - } - - c->bandwidth_hz = s->bandwidth->val; - - if (!test_bit(POWER_ON, &s->flags)) - return 0; - - if (fe->ops.tuner_ops.set_params) - ret = fe->ops.tuner_ops.set_params(fe); - else - ret = 0; - break; - default: - ret = -EINVAL; - } - - return ret; -} - -static const struct v4l2_ctrl_ops rtl2832_sdr_ctrl_ops = { - .s_ctrl = rtl2832_sdr_s_ctrl, -}; - -static void rtl2832_sdr_video_release(struct v4l2_device *v) -{ - struct rtl2832_sdr_state *s = - container_of(v, struct rtl2832_sdr_state, v4l2_dev); - - v4l2_ctrl_handler_free(&s->hdl); - v4l2_device_unregister(&s->v4l2_dev); - kfree(s); -} - -struct dvb_frontend *rtl2832_sdr_attach(struct dvb_frontend *fe, - struct i2c_adapter *i2c, const struct rtl2832_config *cfg, - struct v4l2_subdev *sd) -{ - int ret; - struct rtl2832_sdr_state *s; - const struct v4l2_ctrl_ops *ops = &rtl2832_sdr_ctrl_ops; - struct dvb_usb_device *d = i2c_get_adapdata(i2c); - - s = kzalloc(sizeof(struct rtl2832_sdr_state), GFP_KERNEL); - if (s == NULL) { - dev_err(&d->udev->dev, - "Could not allocate memory for rtl2832_sdr_state\n"); - return NULL; - } - - /* setup the state */ - s->fe = fe; - s->d = d; - s->udev = d->udev; - s->i2c = i2c; - s->cfg = cfg; - s->f_adc = bands_adc[0].rangelow; - s->f_tuner = bands_fm[0].rangelow; - s->pixelformat = V4L2_SDR_FMT_CU8; - - mutex_init(&s->v4l2_lock); - mutex_init(&s->vb_queue_lock); - spin_lock_init(&s->queued_bufs_lock); - INIT_LIST_HEAD(&s->queued_bufs); - - /* Init videobuf2 queue structure */ - s->vb_queue.type = V4L2_BUF_TYPE_SDR_CAPTURE; - s->vb_queue.io_modes = VB2_MMAP | VB2_USERPTR | VB2_READ; - s->vb_queue.drv_priv = s; - s->vb_queue.buf_struct_size = sizeof(struct rtl2832_sdr_frame_buf); - s->vb_queue.ops = &rtl2832_sdr_vb2_ops; - s->vb_queue.mem_ops = &vb2_vmalloc_memops; - s->vb_queue.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; - ret = vb2_queue_init(&s->vb_queue); - if (ret) { - dev_err(&s->udev->dev, "Could not initialize vb2 queue\n"); - goto err_free_mem; - } - - /* Register controls */ - switch (s->cfg->tuner) { - case RTL2832_TUNER_E4000: - v4l2_ctrl_handler_init(&s->hdl, 9); - if (sd) - v4l2_ctrl_add_handler(&s->hdl, sd->ctrl_handler, NULL); - break; - case RTL2832_TUNER_R820T: - v4l2_ctrl_handler_init(&s->hdl, 2); - s->bandwidth_auto = v4l2_ctrl_new_std(&s->hdl, ops, - V4L2_CID_RF_TUNER_BANDWIDTH_AUTO, - 0, 1, 1, 1); - s->bandwidth = v4l2_ctrl_new_std(&s->hdl, ops, - V4L2_CID_RF_TUNER_BANDWIDTH, - 0, 8000000, 100000, 0); - v4l2_ctrl_auto_cluster(2, &s->bandwidth_auto, 0, false); - break; - case RTL2832_TUNER_FC0012: - case RTL2832_TUNER_FC0013: - v4l2_ctrl_handler_init(&s->hdl, 2); - s->bandwidth_auto = v4l2_ctrl_new_std(&s->hdl, ops, - V4L2_CID_RF_TUNER_BANDWIDTH_AUTO, - 0, 1, 1, 1); - s->bandwidth = v4l2_ctrl_new_std(&s->hdl, ops, - V4L2_CID_RF_TUNER_BANDWIDTH, - 6000000, 8000000, 1000000, - 6000000); - v4l2_ctrl_auto_cluster(2, &s->bandwidth_auto, 0, false); - break; - default: - v4l2_ctrl_handler_init(&s->hdl, 0); - dev_notice(&s->udev->dev, "%s: Unsupported tuner\n", - KBUILD_MODNAME); - goto err_free_controls; - } - - if (s->hdl.error) { - ret = s->hdl.error; - dev_err(&s->udev->dev, "Could not initialize controls\n"); - goto err_free_controls; - } - - /* Init video_device structure */ - s->vdev = rtl2832_sdr_template; - s->vdev.queue = &s->vb_queue; - s->vdev.queue->lock = &s->vb_queue_lock; - video_set_drvdata(&s->vdev, s); - - /* Register the v4l2_device structure */ - s->v4l2_dev.release = rtl2832_sdr_video_release; - ret = v4l2_device_register(&s->udev->dev, &s->v4l2_dev); - if (ret) { - dev_err(&s->udev->dev, - "Failed to register v4l2-device (%d)\n", ret); - goto err_free_controls; - } - - s->v4l2_dev.ctrl_handler = &s->hdl; - s->vdev.v4l2_dev = &s->v4l2_dev; - s->vdev.lock = &s->v4l2_lock; - s->vdev.vfl_dir = VFL_DIR_RX; - - ret = video_register_device(&s->vdev, VFL_TYPE_SDR, -1); - if (ret) { - dev_err(&s->udev->dev, - "Failed to register as video device (%d)\n", - ret); - goto err_unregister_v4l2_dev; - } - dev_info(&s->udev->dev, "Registered as %s\n", - video_device_node_name(&s->vdev)); - - fe->sec_priv = s; - fe->ops.release_sec = rtl2832_sdr_release_sec; - - dev_info(&s->i2c->dev, "%s: Realtek RTL2832 SDR attached\n", - KBUILD_MODNAME); - return fe; - -err_unregister_v4l2_dev: - v4l2_device_unregister(&s->v4l2_dev); -err_free_controls: - v4l2_ctrl_handler_free(&s->hdl); -err_free_mem: - kfree(s); - return NULL; -} -EXPORT_SYMBOL(rtl2832_sdr_attach); - -MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>"); -MODULE_DESCRIPTION("Realtek RTL2832 SDR driver"); -MODULE_LICENSE("GPL"); diff --git a/drivers/staging/media/rtl2832u_sdr/rtl2832_sdr.h b/drivers/staging/media/rtl2832u_sdr/rtl2832_sdr.h deleted file mode 100644 index b865fad..0000000 --- a/drivers/staging/media/rtl2832u_sdr/rtl2832_sdr.h +++ /dev/null @@ -1,54 +0,0 @@ -/* - * Realtek RTL2832U SDR driver - * - * Copyright (C) 2013 Antti Palosaari <crope@iki.fi> - * - * 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 program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * 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., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * - * GNU Radio plugin "gr-kernel" for device usage will be on: - * http://git.linuxtv.org/anttip/gr-kernel.git - * - * TODO: - * Help is very highly welcome for these + all the others you could imagine: - * - move controls to V4L2 API - * - use libv4l2 for stream format conversions - * - gr-kernel: switch to v4l2_mmap (current read eats a lot of cpu) - * - SDRSharp support - */ - -#ifndef RTL2832_SDR_H -#define RTL2832_SDR_H - -#include <linux/kconfig.h> -#include <media/v4l2-subdev.h> - -/* for config struct */ -#include "rtl2832.h" - -#if IS_ENABLED(CONFIG_DVB_RTL2832_SDR) -extern struct dvb_frontend *rtl2832_sdr_attach(struct dvb_frontend *fe, - struct i2c_adapter *i2c, const struct rtl2832_config *cfg, - struct v4l2_subdev *sd); -#else -static inline struct dvb_frontend *rtl2832_sdr_attach(struct dvb_frontend *fe, - struct i2c_adapter *i2c, const struct rtl2832_config *cfg, - struct v4l2_subdev *sd) -{ - dev_warn(&i2c->dev, "%s: driver disabled by Kconfig\n", __func__); - return NULL; -} -#endif - -#endif /* RTL2832_SDR_H */ |