Now that we want to split the video handling to a separate
module, move all video-specific functions to em28xx-video.
No functional changes.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@xxxxxxxxxxx>
---
drivers/media/usb/em28xx/em28xx-cards.c | 107 ---------
drivers/media/usb/em28xx/em28xx-core.c | 259 ----------------------
drivers/media/usb/em28xx/em28xx-video.c | 374 +++++++++++++++++++++++++++++++-
drivers/media/usb/em28xx/em28xx.h | 1 +
4 files changed, 371 insertions(+), 370 deletions(-)
diff --git a/drivers/media/usb/em28xx/em28xx-cards.c b/drivers/media/usb/em28xx/em28xx-cards.c
index 36853f16bf97..19827e79cf53 100644
--- a/drivers/media/usb/em28xx/em28xx-cards.c
+++ b/drivers/media/usb/em28xx/em28xx-cards.c
@@ -2529,113 +2529,6 @@ static void em28xx_pre_card_setup(struct em28xx *dev)
em28xx_set_mode(dev, EM28XX_SUSPEND);
}
-static void em28xx_setup_xc3028(struct em28xx *dev, struct xc2028_ctrl *ctl)
-{
- memset(ctl, 0, sizeof(*ctl));
-
- ctl->fname = XC2028_DEFAULT_FIRMWARE;
- ctl->max_len = 64;
- ctl->mts = em28xx_boards[dev->model].mts_firmware;
-
- switch (dev->model) {
- case EM2880_BOARD_EMPIRE_DUAL_TV:
- case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900:
- case EM2882_BOARD_TERRATEC_HYBRID_XS:
- ctl->demod = XC3028_FE_ZARLINK456;
- break;
- case EM2880_BOARD_TERRATEC_HYBRID_XS:
- case EM2880_BOARD_TERRATEC_HYBRID_XS_FR:
- case EM2881_BOARD_PINNACLE_HYBRID_PRO:
- ctl->demod = XC3028_FE_ZARLINK456;
- break;
- case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2:
- case EM2882_BOARD_PINNACLE_HYBRID_PRO_330E:
- ctl->demod = XC3028_FE_DEFAULT;
- break;
- case EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600:
- ctl->demod = XC3028_FE_DEFAULT;
- ctl->fname = XC3028L_DEFAULT_FIRMWARE;
- break;
- case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850:
- case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950:
- case EM2880_BOARD_PINNACLE_PCTV_HD_PRO:
- /* FIXME: Better to specify the needed IF */
- ctl->demod = XC3028_FE_DEFAULT;
- break;
- case EM2883_BOARD_KWORLD_HYBRID_330U:
- case EM2882_BOARD_DIKOM_DK300:
- case EM2882_BOARD_KWORLD_VS_DVBT:
- ctl->demod = XC3028_FE_CHINA;
- ctl->fname = XC2028_DEFAULT_FIRMWARE;
- break;
- case EM2882_BOARD_EVGA_INDTUBE:
- ctl->demod = XC3028_FE_CHINA;
- ctl->fname = XC3028L_DEFAULT_FIRMWARE;
- break;
- default:
- ctl->demod = XC3028_FE_OREN538;
- }
-}
-
-static void em28xx_tuner_setup(struct em28xx *dev)
-{
- struct tuner_setup tun_setup;
- struct v4l2_frequency f;
-
- if (dev->tuner_type == TUNER_ABSENT)
- return;
-
- memset(&tun_setup, 0, sizeof(tun_setup));
-
- tun_setup.mode_mask = T_ANALOG_TV | T_RADIO;
- tun_setup.tuner_callback = em28xx_tuner_callback;
-
- if (dev->board.radio.type) {
- tun_setup.type = dev->board.radio.type;
- tun_setup.addr = dev->board.radio_addr;
-
- v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_type_addr, &tun_setup);
- }
-
- if ((dev->tuner_type != TUNER_ABSENT) && (dev->tuner_type)) {
- tun_setup.type = dev->tuner_type;
- tun_setup.addr = dev->tuner_addr;
-
- v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_type_addr, &tun_setup);
- }
-
- if (dev->tda9887_conf) {
- struct v4l2_priv_tun_config tda9887_cfg;
-
- tda9887_cfg.tuner = TUNER_TDA9887;
- tda9887_cfg.priv = &dev->tda9887_conf;
-
- v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_config, &tda9887_cfg);
- }
-
- if (dev->tuner_type == TUNER_XC2028) {
- struct v4l2_priv_tun_config xc2028_cfg;
- struct xc2028_ctrl ctl;
-
- memset(&xc2028_cfg, 0, sizeof(xc2028_cfg));
- memset(&ctl, 0, sizeof(ctl));
-
- em28xx_setup_xc3028(dev, &ctl);
-
- xc2028_cfg.tuner = TUNER_XC2028;
- xc2028_cfg.priv = &ctl;
-
- v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_config, &xc2028_cfg);
- }
-
- /* configure tuner */
- f.tuner = 0;
- f.type = V4L2_TUNER_ANALOG_TV;
- f.frequency = 9076; /* just a magic number */
- dev->ctl_freq = f.frequency;
- v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, &f);
-}
-
static int em28xx_hint_board(struct em28xx *dev)
{
int i;
diff --git a/drivers/media/usb/em28xx/em28xx-core.c b/drivers/media/usb/em28xx/em28xx-core.c
index f6076a512e8f..3012912d2997 100644
--- a/drivers/media/usb/em28xx/em28xx-core.c
+++ b/drivers/media/usb/em28xx/em28xx-core.c
@@ -53,14 +53,6 @@ MODULE_PARM_DESC(reg_debug, "enable debug messages [URB reg]");
printk(KERN_INFO "%s %s :"fmt, \
dev->name, __func__ , ##arg); } while (0)
-static int alt;
-module_param(alt, int, 0644);
-MODULE_PARM_DESC(alt, "alternate setting to use for video endpoint");
-
-static unsigned int disable_vbi;
-module_param(disable_vbi, int, 0644);
-MODULE_PARM_DESC(disable_vbi, "disable vbi support");
-
/* FIXME */
#define em28xx_isocdbg(fmt, arg...) do {\
if (core_debug) \
@@ -603,24 +595,6 @@ init_audio:
}
EXPORT_SYMBOL_GPL(em28xx_audio_setup);
-int em28xx_colorlevels_set_default(struct em28xx *dev)
-{
- em28xx_write_reg(dev, EM28XX_R20_YGAIN, CONTRAST_DEFAULT);
- em28xx_write_reg(dev, EM28XX_R21_YOFFSET, BRIGHTNESS_DEFAULT);
- em28xx_write_reg(dev, EM28XX_R22_UVGAIN, SATURATION_DEFAULT);
- em28xx_write_reg(dev, EM28XX_R23_UOFFSET, BLUE_BALANCE_DEFAULT);
- em28xx_write_reg(dev, EM28XX_R24_VOFFSET, RED_BALANCE_DEFAULT);
- em28xx_write_reg(dev, EM28XX_R25_SHARPNESS, SHARPNESS_DEFAULT);
-
- em28xx_write_reg(dev, EM28XX_R14_GAMMA, 0x20);
- em28xx_write_reg(dev, EM28XX_R15_RGAIN, 0x20);
- em28xx_write_reg(dev, EM28XX_R16_GGAIN, 0x20);
- em28xx_write_reg(dev, EM28XX_R17_BGAIN, 0x20);
- em28xx_write_reg(dev, EM28XX_R18_ROFFSET, 0x00);
- em28xx_write_reg(dev, EM28XX_R19_GOFFSET, 0x00);
- return em28xx_write_reg(dev, EM28XX_R1A_BOFFSET, 0x00);
-}
-
const struct em28xx_led *em28xx_find_led(struct em28xx *dev,
enum em28xx_led_role role)
{
@@ -696,227 +670,6 @@ int em28xx_capture_start(struct em28xx *dev, int start)
return rc;
}
-int em28xx_vbi_supported(struct em28xx *dev)
-{
- /* Modprobe option to manually disable */
- if (disable_vbi == 1)
- return 0;
-
- if (dev->board.is_webcam)
- return 0;
-
- /* FIXME: check subdevices for VBI support */
-
- if (dev->chip_id == CHIP_ID_EM2860 ||
- dev->chip_id == CHIP_ID_EM2883)
- return 1;
-
- /* Version of em28xx that does not support VBI */
- return 0;
-}
-
-int em28xx_set_outfmt(struct em28xx *dev)
-{
- int ret;
- u8 fmt, vinctrl;
-
- fmt = dev->format->reg;
- if (!dev->is_em25xx)
- fmt |= 0x20;
- /*
- * NOTE: it's not clear if this is really needed !
- * The datasheets say bit 5 is a reserved bit and devices seem to work
- * fine without it. But the Windows driver sets it for em2710/50+em28xx
- * devices and we've always been setting it, too.
- *
- * em2765 (em25xx, em276x/7x/8x) devices do NOT work with this bit set,
- * it's likely used for an additional (compressed ?) format there.
- */
- ret = em28xx_write_reg(dev, EM28XX_R27_OUTFMT, fmt);
- if (ret < 0)
- return ret;
-
- ret = em28xx_write_reg(dev, EM28XX_R10_VINMODE, dev->vinmode);
- if (ret < 0)
- return ret;
-
- vinctrl = dev->vinctl;
- if (em28xx_vbi_supported(dev) == 1) {
- vinctrl |= EM28XX_VINCTRL_VBI_RAW;
- em28xx_write_reg(dev, EM28XX_R34_VBI_START_H, 0x00);
- em28xx_write_reg(dev, EM28XX_R36_VBI_WIDTH, dev->vbi_width/4);
- em28xx_write_reg(dev, EM28XX_R37_VBI_HEIGHT, dev->vbi_height);
- if (dev->norm & V4L2_STD_525_60) {
- /* NTSC */
- em28xx_write_reg(dev, EM28XX_R35_VBI_START_V, 0x09);
- } else if (dev->norm & V4L2_STD_625_50) {
- /* PAL */
- em28xx_write_reg(dev, EM28XX_R35_VBI_START_V, 0x07);
- }
- }
-
- return em28xx_write_reg(dev, EM28XX_R11_VINCTRL, vinctrl);
-}
-
-static int em28xx_accumulator_set(struct em28xx *dev, u8 xmin, u8 xmax,
- u8 ymin, u8 ymax)
-{
- em28xx_coredbg("em28xx Scale: (%d,%d)-(%d,%d)\n",
- xmin, ymin, xmax, ymax);
-
- em28xx_write_regs(dev, EM28XX_R28_XMIN, &xmin, 1);
- em28xx_write_regs(dev, EM28XX_R29_XMAX, &xmax, 1);
- em28xx_write_regs(dev, EM28XX_R2A_YMIN, &ymin, 1);
- return em28xx_write_regs(dev, EM28XX_R2B_YMAX, &ymax, 1);
-}
-
-static void em28xx_capture_area_set(struct em28xx *dev, u8 hstart, u8 vstart,
- u16 width, u16 height)
-{
- u8 cwidth = width >> 2;
- u8 cheight = height >> 2;
- u8 overflow = (height >> 9 & 0x02) | (width >> 10 & 0x01);
- /* NOTE: size limit: 2047x1023 = 2MPix */
-
- em28xx_coredbg("capture area set to (%d,%d): %dx%d\n",
- hstart, vstart,
- ((overflow & 2) << 9 | cwidth << 2),
- ((overflow & 1) << 10 | cheight << 2));
-
- em28xx_write_regs(dev, EM28XX_R1C_HSTART, &hstart, 1);
- em28xx_write_regs(dev, EM28XX_R1D_VSTART, &vstart, 1);
- em28xx_write_regs(dev, EM28XX_R1E_CWIDTH, &cwidth, 1);
- em28xx_write_regs(dev, EM28XX_R1F_CHEIGHT, &cheight, 1);
- em28xx_write_regs(dev, EM28XX_R1B_OFLOW, &overflow, 1);
-
- /* FIXME: function/meaning of these registers ? */
- /* FIXME: align width+height to multiples of 4 ?! */
- if (dev->is_em25xx) {
- em28xx_write_reg(dev, 0x34, width >> 4);
- em28xx_write_reg(dev, 0x35, height >> 4);
- }
-}
-
-static int em28xx_scaler_set(struct em28xx *dev, u16 h, u16 v)
-{
- u8 mode;
- /* the em2800 scaler only supports scaling down to 50% */
-
- if (dev->board.is_em2800) {
- mode = (v ? 0x20 : 0x00) | (h ? 0x10 : 0x00);
- } else {
- u8 buf[2];
-
- buf[0] = h;
- buf[1] = h >> 8;
- em28xx_write_regs(dev, EM28XX_R30_HSCALELOW, (char *)buf, 2);
-
- buf[0] = v;
- buf[1] = v >> 8;
- em28xx_write_regs(dev, EM28XX_R32_VSCALELOW, (char *)buf, 2);
- /* it seems that both H and V scalers must be active
- to work correctly */
- mode = (h || v) ? 0x30 : 0x00;
- }
- return em28xx_write_reg_bits(dev, EM28XX_R26_COMPR, mode, 0x30);
-}
-
-/* FIXME: this only function read values from dev */
-int em28xx_resolution_set(struct em28xx *dev)
-{
- int width, height;
- width = norm_maxw(dev);
- height = norm_maxh(dev);
-
- /* Properly setup VBI */
- dev->vbi_width = 720;
- if (dev->norm & V4L2_STD_525_60)
- dev->vbi_height = 12;
- else
- dev->vbi_height = 18;
-
- em28xx_set_outfmt(dev);
-
- em28xx_accumulator_set(dev, 1, (width - 4) >> 2, 1, (height - 4) >> 2);
-
- /* If we don't set the start position to 2 in VBI mode, we end up
- with line 20/21 being YUYV encoded instead of being in 8-bit
- greyscale. The core of the issue is that line 21 (and line 23 for
- PAL WSS) are inside of active video region, and as a result they
- get the pixelformatting associated with that area. So by cropping
- it out, we end up with the same format as the rest of the VBI
- region */
- if (em28xx_vbi_supported(dev) == 1)
- em28xx_capture_area_set(dev, 0, 2, width, height);
- else
- em28xx_capture_area_set(dev, 0, 0, width, height);
-
- return em28xx_scaler_set(dev, dev->hscale, dev->vscale);
-}
-
-/* Set USB alternate setting for analog video */
-int em28xx_set_alternate(struct em28xx *dev)
-{
- int errCode;
- int i;
- unsigned int min_pkt_size = dev->width * 2 + 4;
-
- /* NOTE: for isoc transfers, only alt settings > 0 are allowed
- bulk transfers seem to work only with alt=0 ! */
- dev->alt = 0;
- if ((alt > 0) && (alt < dev->num_alt)) {
- em28xx_coredbg("alternate forced to %d\n", dev->alt);
- dev->alt = alt;
- goto set_alt;
- }
- if (dev->analog_xfer_bulk)
- goto set_alt;
-
- /* When image size is bigger than a certain value,
- the frame size should be increased, otherwise, only
- green screen will be received.
- */
- if (dev->width * 2 * dev->height > 720 * 240 * 2)
- min_pkt_size *= 2;
-
- for (i = 0; i < dev->num_alt; i++) {
- /* stop when the selected alt setting offers enough bandwidth */
- if (dev->alt_max_pkt_size_isoc[i] >= min_pkt_size) {
- dev->alt = i;
- break;
- /* otherwise make sure that we end up with the maximum bandwidth
- because the min_pkt_size equation might be wrong...
- */
- } else if (dev->alt_max_pkt_size_isoc[i] >
- dev->alt_max_pkt_size_isoc[dev->alt])
- dev->alt = i;
- }
-
-set_alt:
- /* NOTE: for bulk transfers, we need to call usb_set_interface()
- * even if the previous settings were the same. Otherwise streaming
- * fails with all urbs having status = -EOVERFLOW ! */
- if (dev->analog_xfer_bulk) {
- dev->max_pkt_size = 512; /* USB 2.0 spec */
- dev->packet_multiplier = EM28XX_BULK_PACKET_MULTIPLIER;
- } else { /* isoc */
- em28xx_coredbg("minimum isoc packet size: %u (alt=%d)\n",
- min_pkt_size, dev->alt);
- dev->max_pkt_size =
- dev->alt_max_pkt_size_isoc[dev->alt];
- dev->packet_multiplier = EM28XX_NUM_ISOC_PACKETS;
- }
- em28xx_coredbg("setting alternate %d with wMaxPacketSize=%u\n",
- dev->alt, dev->max_pkt_size);
- errCode = usb_set_interface(dev->udev, 0, dev->alt);
- if (errCode < 0) {
- em28xx_errdev("cannot change alternate number to %d (error=%i)\n",
- dev->alt, errCode);
- return errCode;
- }
- return 0;
-}
-
int em28xx_gpio_set(struct em28xx *dev, struct em28xx_reg_seq *gpio)
{
int rc = 0;
@@ -1282,18 +1035,6 @@ int em28xx_init_usb_xfer(struct em28xx *dev, enum em28xx_mode mode,
EXPORT_SYMBOL_GPL(em28xx_init_usb_xfer);
/*
- * em28xx_wake_i2c()
- * configure i2c attached devices
- */
-void em28xx_wake_i2c(struct em28xx *dev)
-{
- v4l2_device_call_all(&dev->v4l2_dev, 0, core, reset, 0);
- v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_routing,
- INPUT(dev->ctl_input)->vmux, 0, 0);
- v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 0);
-}
-
-/*
* Device control list
*/
diff --git a/drivers/media/usb/em28xx/em28xx-video.c b/drivers/media/usb/em28xx/em28xx-video.c
index dd19c9ff76e0..70ffe259df5b 100644
--- a/drivers/media/usb/em28xx/em28xx-video.c
+++ b/drivers/media/usb/em28xx/em28xx-video.c
@@ -53,15 +53,23 @@
#define EM28XX_VERSION "0.2.0"
+static unsigned int isoc_debug;
+module_param(isoc_debug, int, 0644);
+MODULE_PARM_DESC(isoc_debug, "enable debug messages [isoc transfers]");
+
+static unsigned int disable_vbi;
+module_param(disable_vbi, int, 0644);
+MODULE_PARM_DESC(disable_vbi, "disable vbi support");
+
+static int alt;
+module_param(alt, int, 0644);
+MODULE_PARM_DESC(alt, "alternate setting to use for video endpoint");
+
#define em28xx_videodbg(fmt, arg...) do {\
if (video_debug) \
printk(KERN_INFO "%s %s :"fmt, \
dev->name, __func__ , ##arg); } while (0)
-static unsigned int isoc_debug;
-module_param(isoc_debug, int, 0644);
-MODULE_PARM_DESC(isoc_debug, "enable debug messages [isoc transfers]");
-
#define em28xx_isocdbg(fmt, arg...) \
do {\
if (isoc_debug) { \
@@ -135,6 +143,257 @@ static struct em28xx_fmt format[] = {
},
};
+/*
+ * em28xx_wake_i2c()
+ * configure i2c attached devices
+ */
+void em28xx_wake_i2c(struct em28xx *dev)
+{
+ v4l2_device_call_all(&dev->v4l2_dev, 0, core, reset, 0);
+ v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_routing,
+ INPUT(dev->ctl_input)->vmux, 0, 0);
+ v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 0);
+}
+
+int em28xx_colorlevels_set_default(struct em28xx *dev)
+{
+ em28xx_write_reg(dev, EM28XX_R20_YGAIN, CONTRAST_DEFAULT);
+ em28xx_write_reg(dev, EM28XX_R21_YOFFSET, BRIGHTNESS_DEFAULT);
+ em28xx_write_reg(dev, EM28XX_R22_UVGAIN, SATURATION_DEFAULT);
+ em28xx_write_reg(dev, EM28XX_R23_UOFFSET, BLUE_BALANCE_DEFAULT);
+ em28xx_write_reg(dev, EM28XX_R24_VOFFSET, RED_BALANCE_DEFAULT);
+ em28xx_write_reg(dev, EM28XX_R25_SHARPNESS, SHARPNESS_DEFAULT);
+
+ em28xx_write_reg(dev, EM28XX_R14_GAMMA, 0x20);
+ em28xx_write_reg(dev, EM28XX_R15_RGAIN, 0x20);
+ em28xx_write_reg(dev, EM28XX_R16_GGAIN, 0x20);
+ em28xx_write_reg(dev, EM28XX_R17_BGAIN, 0x20);
+ em28xx_write_reg(dev, EM28XX_R18_ROFFSET, 0x00);
+ em28xx_write_reg(dev, EM28XX_R19_GOFFSET, 0x00);
+ return em28xx_write_reg(dev, EM28XX_R1A_BOFFSET, 0x00);
+}
+
+int em28xx_set_outfmt(struct em28xx *dev)
+{
+ int ret;
+ u8 fmt, vinctrl;
+
+ fmt = dev->format->reg;
+ if (!dev->is_em25xx)
+ fmt |= 0x20;
+ /*
+ * NOTE: it's not clear if this is really needed !
+ * The datasheets say bit 5 is a reserved bit and devices seem to work
+ * fine without it. But the Windows driver sets it for em2710/50+em28xx
+ * devices and we've always been setting it, too.
+ *
+ * em2765 (em25xx, em276x/7x/8x) devices do NOT work with this bit set,
+ * it's likely used for an additional (compressed ?) format there.
+ */
+ ret = em28xx_write_reg(dev, EM28XX_R27_OUTFMT, fmt);
+ if (ret < 0)
+ return ret;
+
+ ret = em28xx_write_reg(dev, EM28XX_R10_VINMODE, dev->vinmode);
+ if (ret < 0)
+ return ret;
+
+ vinctrl = dev->vinctl;
+ if (em28xx_vbi_supported(dev) == 1) {
+ vinctrl |= EM28XX_VINCTRL_VBI_RAW;
+ em28xx_write_reg(dev, EM28XX_R34_VBI_START_H, 0x00);
+ em28xx_write_reg(dev, EM28XX_R36_VBI_WIDTH, dev->vbi_width/4);
+ em28xx_write_reg(dev, EM28XX_R37_VBI_HEIGHT, dev->vbi_height);
+ if (dev->norm & V4L2_STD_525_60) {
+ /* NTSC */
+ em28xx_write_reg(dev, EM28XX_R35_VBI_START_V, 0x09);
+ } else if (dev->norm & V4L2_STD_625_50) {
+ /* PAL */
+ em28xx_write_reg(dev, EM28XX_R35_VBI_START_V, 0x07);
+ }
+ }
+
+ return em28xx_write_reg(dev, EM28XX_R11_VINCTRL, vinctrl);
+}
+
+static int em28xx_accumulator_set(struct em28xx *dev, u8 xmin, u8 xmax,
+ u8 ymin, u8 ymax)
+{
+ em28xx_videodbg("em28xx Scale: (%d,%d)-(%d,%d)\n",
+ xmin, ymin, xmax, ymax);
+
+ em28xx_write_regs(dev, EM28XX_R28_XMIN, &xmin, 1);
+ em28xx_write_regs(dev, EM28XX_R29_XMAX, &xmax, 1);
+ em28xx_write_regs(dev, EM28XX_R2A_YMIN, &ymin, 1);
+ return em28xx_write_regs(dev, EM28XX_R2B_YMAX, &ymax, 1);
+}
+
+static void em28xx_capture_area_set(struct em28xx *dev, u8 hstart, u8 vstart,
+ u16 width, u16 height)
+{
+ u8 cwidth = width >> 2;
+ u8 cheight = height >> 2;
+ u8 overflow = (height >> 9 & 0x02) | (width >> 10 & 0x01);
+ /* NOTE: size limit: 2047x1023 = 2MPix */
+
+ em28xx_videodbg("capture area set to (%d,%d): %dx%d\n",
+ hstart, vstart,
+ ((overflow & 2) << 9 | cwidth << 2),
+ ((overflow & 1) << 10 | cheight << 2));
+
+ em28xx_write_regs(dev, EM28XX_R1C_HSTART, &hstart, 1);
+ em28xx_write_regs(dev, EM28XX_R1D_VSTART, &vstart, 1);
+ em28xx_write_regs(dev, EM28XX_R1E_CWIDTH, &cwidth, 1);
+ em28xx_write_regs(dev, EM28XX_R1F_CHEIGHT, &cheight, 1);
+ em28xx_write_regs(dev, EM28XX_R1B_OFLOW, &overflow, 1);
+
+ /* FIXME: function/meaning of these registers ? */
+ /* FIXME: align width+height to multiples of 4 ?! */
+ if (dev->is_em25xx) {
+ em28xx_write_reg(dev, 0x34, width >> 4);
+ em28xx_write_reg(dev, 0x35, height >> 4);
+ }
+}
+
+static int em28xx_scaler_set(struct em28xx *dev, u16 h, u16 v)
+{
+ u8 mode;
+ /* the em2800 scaler only supports scaling down to 50% */
+
+ if (dev->board.is_em2800) {
+ mode = (v ? 0x20 : 0x00) | (h ? 0x10 : 0x00);
+ } else {
+ u8 buf[2];
+
+ buf[0] = h;
+ buf[1] = h >> 8;
+ em28xx_write_regs(dev, EM28XX_R30_HSCALELOW, (char *)buf, 2);
+
+ buf[0] = v;
+ buf[1] = v >> 8;
+ em28xx_write_regs(dev, EM28XX_R32_VSCALELOW, (char *)buf, 2);
+ /* it seems that both H and V scalers must be active
+ to work correctly */
+ mode = (h || v) ? 0x30 : 0x00;
+ }
+ return em28xx_write_reg_bits(dev, EM28XX_R26_COMPR, mode, 0x30);
+}
+
+/* FIXME: this only function read values from dev */
+int em28xx_resolution_set(struct em28xx *dev)
+{
+ int width, height;
+ width = norm_maxw(dev);
+ height = norm_maxh(dev);
+
+ /* Properly setup VBI */
+ dev->vbi_width = 720;
+ if (dev->norm & V4L2_STD_525_60)
+ dev->vbi_height = 12;
+ else
+ dev->vbi_height = 18;
+
+ em28xx_set_outfmt(dev);
+
+ em28xx_accumulator_set(dev, 1, (width - 4) >> 2, 1, (height - 4) >> 2);
+
+ /* If we don't set the start position to 2 in VBI mode, we end up
+ with line 20/21 being YUYV encoded instead of being in 8-bit
+ greyscale. The core of the issue is that line 21 (and line 23 for
+ PAL WSS) are inside of active video region, and as a result they
+ get the pixelformatting associated with that area. So by cropping
+ it out, we end up with the same format as the rest of the VBI
+ region */
+ if (em28xx_vbi_supported(dev) == 1)
+ em28xx_capture_area_set(dev, 0, 2, width, height);
+ else
+ em28xx_capture_area_set(dev, 0, 0, width, height);
+
+ return em28xx_scaler_set(dev, dev->hscale, dev->vscale);
+}
+
+int em28xx_vbi_supported(struct em28xx *dev)
+{
+ /* Modprobe option to manually disable */
+ if (disable_vbi == 1)
+ return 0;
+
+ if (dev->board.is_webcam)
+ return 0;
+
+ /* FIXME: check subdevices for VBI support */
+
+ if (dev->chip_id == CHIP_ID_EM2860 ||
+ dev->chip_id == CHIP_ID_EM2883)
+ return 1;
+
+ /* Version of em28xx that does not support VBI */
+ return 0;
+}
+
+/* Set USB alternate setting for analog video */
+int em28xx_set_alternate(struct em28xx *dev)
+{
+ int errCode;
+ int i;
+ unsigned int min_pkt_size = dev->width * 2 + 4;
+
+ /* NOTE: for isoc transfers, only alt settings > 0 are allowed
+ bulk transfers seem to work only with alt=0 ! */
+ dev->alt = 0;
+ if ((alt > 0) && (alt < dev->num_alt)) {
+ em28xx_videodbg("alternate forced to %d\n", dev->alt);
+ dev->alt = alt;
+ goto set_alt;
+ }
+ if (dev->analog_xfer_bulk)
+ goto set_alt;
+
+ /* When image size is bigger than a certain value,
+ the frame size should be increased, otherwise, only
+ green screen will be received.
+ */
+ if (dev->width * 2 * dev->height > 720 * 240 * 2)
+ min_pkt_size *= 2;
+
+ for (i = 0; i < dev->num_alt; i++) {
+ /* stop when the selected alt setting offers enough bandwidth */
+ if (dev->alt_max_pkt_size_isoc[i] >= min_pkt_size) {
+ dev->alt = i;
+ break;
+ /* otherwise make sure that we end up with the maximum bandwidth
+ because the min_pkt_size equation might be wrong...
+ */
+ } else if (dev->alt_max_pkt_size_isoc[i] >
+ dev->alt_max_pkt_size_isoc[dev->alt])
+ dev->alt = i;
+ }
+
+set_alt:
+ /* NOTE: for bulk transfers, we need to call usb_set_interface()
+ * even if the previous settings were the same. Otherwise streaming
+ * fails with all urbs having status = -EOVERFLOW ! */
+ if (dev->analog_xfer_bulk) {
+ dev->max_pkt_size = 512; /* USB 2.0 spec */
+ dev->packet_multiplier = EM28XX_BULK_PACKET_MULTIPLIER;
+ } else { /* isoc */
+ em28xx_videodbg("minimum isoc packet size: %u (alt=%d)\n",
+ min_pkt_size, dev->alt);
+ dev->max_pkt_size =
+ dev->alt_max_pkt_size_isoc[dev->alt];
+ dev->packet_multiplier = EM28XX_NUM_ISOC_PACKETS;
+ }
+ em28xx_videodbg("setting alternate %d with wMaxPacketSize=%u\n",
+ dev->alt, dev->max_pkt_size);
+ errCode = usb_set_interface(dev->udev, 0, dev->alt);
+ if (errCode < 0) {
+ em28xx_errdev("cannot change alternate number to %d (error=%i)\n",
+ dev->alt, errCode);
+ return errCode;
+ }
+ return 0;
+}
+
/* ------------------------------------------------------------------
DMA and thread functions
------------------------------------------------------------------*/
@@ -1817,6 +2076,113 @@ static struct video_device *em28xx_vdev_init(struct em28xx *dev,
return vfd;
}
+static void em28xx_setup_xc3028(struct em28xx *dev, struct xc2028_ctrl *ctl)
+{
+ memset(ctl, 0, sizeof(*ctl));
+
+ ctl->fname = XC2028_DEFAULT_FIRMWARE;
+ ctl->max_len = 64;
+ ctl->mts = em28xx_boards[dev->model].mts_firmware;
+
+ switch (dev->model) {
+ case EM2880_BOARD_EMPIRE_DUAL_TV:
+ case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900:
+ case EM2882_BOARD_TERRATEC_HYBRID_XS:
+ ctl->demod = XC3028_FE_ZARLINK456;
+ break;
+ case EM2880_BOARD_TERRATEC_HYBRID_XS:
+ case EM2880_BOARD_TERRATEC_HYBRID_XS_FR:
+ case EM2881_BOARD_PINNACLE_HYBRID_PRO:
+ ctl->demod = XC3028_FE_ZARLINK456;
+ break;
+ case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2:
+ case EM2882_BOARD_PINNACLE_HYBRID_PRO_330E:
+ ctl->demod = XC3028_FE_DEFAULT;
+ break;
+ case EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600:
+ ctl->demod = XC3028_FE_DEFAULT;
+ ctl->fname = XC3028L_DEFAULT_FIRMWARE;
+ break;
+ case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850:
+ case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950:
+ case EM2880_BOARD_PINNACLE_PCTV_HD_PRO:
+ /* FIXME: Better to specify the needed IF */
+ ctl->demod = XC3028_FE_DEFAULT;
+ break;
+ case EM2883_BOARD_KWORLD_HYBRID_330U:
+ case EM2882_BOARD_DIKOM_DK300:
+ case EM2882_BOARD_KWORLD_VS_DVBT:
+ ctl->demod = XC3028_FE_CHINA;
+ ctl->fname = XC2028_DEFAULT_FIRMWARE;
+ break;
+ case EM2882_BOARD_EVGA_INDTUBE:
+ ctl->demod = XC3028_FE_CHINA;
+ ctl->fname = XC3028L_DEFAULT_FIRMWARE;
+ break;
+ default:
+ ctl->demod = XC3028_FE_OREN538;
+ }
+}
+
+void em28xx_tuner_setup(struct em28xx *dev)
+{
+ struct tuner_setup tun_setup;
+ struct v4l2_frequency f;
+
+ if (dev->tuner_type == TUNER_ABSENT)
+ return;
+
+ memset(&tun_setup, 0, sizeof(tun_setup));
+
+ tun_setup.mode_mask = T_ANALOG_TV | T_RADIO;
+ tun_setup.tuner_callback = em28xx_tuner_callback;
+
+ if (dev->board.radio.type) {
+ tun_setup.type = dev->board.radio.type;
+ tun_setup.addr = dev->board.radio_addr;
+
+ v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_type_addr, &tun_setup);
+ }
+
+ if ((dev->tuner_type != TUNER_ABSENT) && (dev->tuner_type)) {
+ tun_setup.type = dev->tuner_type;
+ tun_setup.addr = dev->tuner_addr;
+
+ v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_type_addr, &tun_setup);
+ }
+
+ if (dev->tda9887_conf) {
+ struct v4l2_priv_tun_config tda9887_cfg;
+
+ tda9887_cfg.tuner = TUNER_TDA9887;
+ tda9887_cfg.priv = &dev->tda9887_conf;
+
+ v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_config, &tda9887_cfg);
+ }
+
+ if (dev->tuner_type == TUNER_XC2028) {
+ struct v4l2_priv_tun_config xc2028_cfg;
+ struct xc2028_ctrl ctl;
+
+ memset(&xc2028_cfg, 0, sizeof(xc2028_cfg));
+ memset(&ctl, 0, sizeof(ctl));
+
+ em28xx_setup_xc3028(dev, &ctl);
+
+ xc2028_cfg.tuner = TUNER_XC2028;
+ xc2028_cfg.priv = &ctl;
+
+ v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_config, &xc2028_cfg);
+ }
+
+ /* configure tuner */
+ f.tuner = 0;
+ f.type = V4L2_TUNER_ANALOG_TV;
+ f.frequency = 9076; /* just a magic number */
+ dev->ctl_freq = f.frequency;
+ v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, &f);
+}
+
int em28xx_register_analog_devices(struct em28xx *dev)
{
u8 val;
diff --git a/drivers/media/usb/em28xx/em28xx.h b/drivers/media/usb/em28xx/em28xx.h
index 191ef3593891..0259270dda46 100644
--- a/drivers/media/usb/em28xx/em28xx.h
+++ b/drivers/media/usb/em28xx/em28xx.h
@@ -748,6 +748,7 @@ void em28xx_init_extension(struct em28xx *dev);
void em28xx_close_extension(struct em28xx *dev);
/* Provided by em28xx-video.c */
+void em28xx_tuner_setup(struct em28xx *dev);
int em28xx_vb2_setup(struct em28xx *dev);
int em28xx_register_analog_devices(struct em28xx *dev);
void em28xx_release_analog_resources(struct em28xx *dev);
--
1.8.3.1
--
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