diff options
Diffstat (limited to 'linux/drivers/media/video/hexium_gemini.c')
-rw-r--r-- | linux/drivers/media/video/hexium_gemini.c | 419 |
1 files changed, 207 insertions, 212 deletions
diff --git a/linux/drivers/media/video/hexium_gemini.c b/linux/drivers/media/video/hexium_gemini.c index a82de4752..e204d1525 100644 --- a/linux/drivers/media/video/hexium_gemini.c +++ b/linux/drivers/media/video/hexium_gemini.c @@ -1,8 +1,8 @@ /* hexium_gemini.c - v4l2 driver for Hexium Gemini frame grabber cards - Visit http://www.mihu.de/linux/saa7146/hexium/ - for further details about this card. + Visit http://www.mihu.de/linux/saa7146/ and follow the link + to "hexium" for further details about this card. Copyright (C) 2003 Michael Hunold <michael@mihu.de> @@ -25,12 +25,12 @@ #include <media/saa7146_vv.h> -static int debug = 255; -MODULE_PARM(debug,"i"); +static int debug = 0; +MODULE_PARM(debug, "i"); MODULE_PARM_DESC(debug, "debug verbosity"); /* global variables */ -int hexium_num = 0; +static int hexium_num = 0; #include "hexium_gemini.h" @@ -38,80 +38,80 @@ int hexium_num = 0; wants to capture from this device before it has been properly initialized. the capture engine would badly fail, because no valid signal arrives on the saa7146, thus leading to timeouts and stuff. */ -static int hexium_init_done(struct saa7146_dev* dev) +static int hexium_init_done(struct saa7146_dev *dev) { - struct hexium* hexium = (struct hexium*)dev->ext_priv; + struct hexium *hexium = (struct hexium *) dev->ext_priv; union i2c_smbus_data data; int i = 0; DEB_D(("hexium_init_done called.\n")); /* initialize the helper ics to useful values */ - for(i = 0; i < sizeof(hexium_ks0127b); i++) { - data.byte = hexium_ks0127b[i]; - if(0 != i2c_smbus_xfer(&hexium->i2c_adapter, 0x6c, 0, I2C_SMBUS_WRITE, i ,I2C_SMBUS_BYTE_DATA, &data)) { - printk("failed for address 0x%02x\n",i); - } + for (i = 0; i < sizeof(hexium_ks0127b); i++) { + data.byte = hexium_ks0127b[i]; + if (0 != i2c_smbus_xfer(&hexium->i2c_adapter, 0x6c, 0, I2C_SMBUS_WRITE, i, I2C_SMBUS_BYTE_DATA, &data)) { + printk("failed for address 0x%02x\n", i); + } } return 0; } -static int hexium_set_input(struct hexium* hexium, int input) +static int hexium_set_input(struct hexium *hexium, int input) { union i2c_smbus_data data; DEB_D((".\n")); data.byte = hexium_input_select[input].byte; - if(0 != i2c_smbus_xfer(&hexium->i2c_adapter, 0x6c, 0, I2C_SMBUS_WRITE, hexium_input_select[input].adr, I2C_SMBUS_BYTE_DATA, &data)) { - return -1; + if (0 != i2c_smbus_xfer(&hexium->i2c_adapter, 0x6c, 0, I2C_SMBUS_WRITE, hexium_input_select[input].adr, I2C_SMBUS_BYTE_DATA, &data)) { + return -1; } - + return 0; } -static int hexium_set_standard(struct hexium* hexium, struct hexium_data *vdec) +static int hexium_set_standard(struct hexium *hexium, struct hexium_data *vdec) { union i2c_smbus_data data; int i = 0; - + DEB_D((".\n")); - while( vdec[i].adr != -1 ) { + while (vdec[i].adr != -1) { data.byte = vdec[i].byte; - if(0 != i2c_smbus_xfer(&hexium->i2c_adapter, 0x6c, 0, I2C_SMBUS_WRITE, vdec[i].adr ,I2C_SMBUS_BYTE_DATA, &data)) { - printk("failed for address 0x%02x\n",i); - return -1; + if (0 != i2c_smbus_xfer(&hexium->i2c_adapter, 0x6c, 0, I2C_SMBUS_WRITE, vdec[i].adr, I2C_SMBUS_BYTE_DATA, &data)) { + printk("failed for address 0x%02x\n", i); + return -1; } i++; } - return 0; + return 0; } static struct saa7146_ext_vv vv_data; /* this function only gets called when the probing was successful */ -static int hexium_attach(struct saa7146_dev* dev, struct saa7146_pci_extension_data *info) +static int hexium_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_data *info) { - struct hexium* hexium = (struct hexium*)dev->ext_priv; - + struct hexium *hexium = (struct hexium *) dev->ext_priv; + DEB_EE((".\n")); - hexium = (struct hexium*)kmalloc(sizeof(struct hexium), GFP_KERNEL); - if( NULL == hexium ) { + hexium = (struct hexium *) kmalloc(sizeof(struct hexium), GFP_KERNEL); + if (NULL == hexium) { printk("hexium_v4l2.o: hexium_probe: not enough kernel memory.\n"); return -ENOMEM; } - memset(hexium, 0x0, sizeof(struct hexium)); - (struct hexium*)dev->ext_priv = hexium; + memset(hexium, 0x0, sizeof(struct hexium)); + (struct hexium *) dev->ext_priv = hexium; /* FIXME: enable i2c-port pins, video-port-pins video port pins should be enabled here ?! */ saa7146_write(dev, MC1, (MASK_08 | MASK_24 | MASK_10 | MASK_26)); saa7146_i2c_adapter_prepare(dev, &hexium->i2c_adapter, SAA7146_I2C_BUS_BIT_RATE_480); - if(i2c_add_adapter(&hexium->i2c_adapter) < 0) { + if (i2c_add_adapter(&hexium->i2c_adapter) < 0) { DEB_S(("cannot register i2c-device. skipping.\n")); kfree(hexium); return -EFAULT; @@ -119,9 +119,9 @@ static int hexium_attach(struct saa7146_dev* dev, struct saa7146_pci_extension_d /* set HWControl GPIO number 2 */ saa7146_setgpio(dev, 2, SAA7146_GPIO_OUTHI); - + saa7146_write(dev, DD1_INIT, 0x07000700); - saa7146_write(dev, DD1_STREAM_B, 0x00000000); + saa7146_write(dev, DD1_STREAM_B, 0x00000000); saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26)); /* the rest */ @@ -130,29 +130,29 @@ static int hexium_attach(struct saa7146_dev* dev, struct saa7146_pci_extension_d hexium_set_standard(hexium, hexium_pal); hexium->cur_std = V4L2_STD_PAL; - + hexium_set_input(hexium, 0); hexium->cur_input = 0; - - saa7146_vv_init(dev,&vv_data); - if( 0 != saa7146_register_device(&hexium->video_dev, dev, "hexium", VFL_TYPE_GRABBER)) { + + saa7146_vv_init(dev, &vv_data); + if (0 != saa7146_register_device(&hexium->video_dev, dev, "hexium", VFL_TYPE_GRABBER)) { ERR(("cannot register capture v4l2 device. skipping.\n")); return -1; } - - printk("hexium: found 'hexium frame grabber'-%d.\n",hexium_num); + + printk("hexium: found 'hexium frame grabber'-%d.\n", hexium_num); hexium_num++; - + return 0; } -static int hexium_detach(struct saa7146_dev* dev) +static int hexium_detach(struct saa7146_dev *dev) { - struct hexium* hexium = (struct hexium*)dev->ext_priv; - - DEB_EE(("dev:%p\n",dev)); + struct hexium *hexium = (struct hexium *) dev->ext_priv; - saa7146_unregister_device(&hexium->video_dev,dev); + DEB_EE(("dev:%p\n", dev)); + + saa7146_unregister_device(&hexium->video_dev, dev); saa7146_vv_release(dev); hexium_num--; @@ -162,145 +162,144 @@ static int hexium_detach(struct saa7146_dev* dev) return 0; } -static int hexium_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg) +static int hexium_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg) { struct saa7146_dev *dev = fh->dev; - struct hexium* hexium = (struct hexium*)dev->ext_priv; + struct hexium *hexium = (struct hexium *) dev->ext_priv; /* struct saa7146_vv *vv = dev->vv_data; */ - switch(cmd) - { + switch (cmd) { case VIDIOC_ENUMINPUT: - { - struct v4l2_input *i = arg; - DEB_EE(("VIDIOC_ENUMINPUT %d.\n",i->index)); - - if( i->index < 0 || i->index >= HEXIUM_INPUTS) { - return -EINVAL; - } - - memcpy(i, &hexium_inputs[i->index], sizeof(struct v4l2_input)); + { + struct v4l2_input *i = arg; + DEB_EE(("VIDIOC_ENUMINPUT %d.\n", i->index)); - DEB_D(("v4l2_ioctl: VIDIOC_ENUMINPUT %d.\n",i->index)); - return 0; - } + if (i->index < 0 || i->index >= HEXIUM_INPUTS) { + return -EINVAL; + } + + memcpy(i, &hexium_inputs[i->index], sizeof(struct v4l2_input)); + + DEB_D(("v4l2_ioctl: VIDIOC_ENUMINPUT %d.\n", i->index)); + return 0; + } case VIDIOC_G_INPUT: - { - int *input = (int *)arg; - *input = hexium->cur_input; + { + int *input = (int *) arg; + *input = hexium->cur_input; - DEB_D(("VIDIOC_G_INPUT: %d\n",*input)); - return 0; - } + DEB_D(("VIDIOC_G_INPUT: %d\n", *input)); + return 0; + } case VIDIOC_S_INPUT: - { - int input = *(int *)arg; + { + int input = *(int *) arg; - DEB_EE(("VIDIOC_S_INPUT %d.\n",input)); + DEB_EE(("VIDIOC_S_INPUT %d.\n", input)); - if (input < 0 || input >= HEXIUM_INPUTS) { - return -EINVAL; + if (input < 0 || input >= HEXIUM_INPUTS) { + return -EINVAL; + } + + hexium->cur_input = input; + hexium_set_input(hexium, input); + + return 0; } - - hexium->cur_input = input; - hexium_set_input(hexium, input); - - return 0; - } - /* the saa7146 provides some controls (brightness, contrast, saturation) - which gets registered *after* this function. because of this we have - to return with a value != 0 even if the function succeded.. */ + /* the saa7146 provides some controls (brightness, contrast, saturation) + which gets registered *after* this function. because of this we have + to return with a value != 0 even if the function succeded.. */ case VIDIOC_QUERYCTRL: - { - struct v4l2_queryctrl *qc = arg; - int i; - - for (i = HEXIUM_CONTROLS - 1; i >= 0; i--) { - if (hexium_controls[i].id == qc->id) { - *qc = hexium_controls[i]; - DEB_D(("VIDIOC_QUERYCTRL %d.\n",qc->id)); - return 0; + { + struct v4l2_queryctrl *qc = arg; + int i; + + for (i = HEXIUM_CONTROLS - 1; i >= 0; i--) { + if (hexium_controls[i].id == qc->id) { + *qc = hexium_controls[i]; + DEB_D(("VIDIOC_QUERYCTRL %d.\n", qc->id)); + return 0; + } } + return -EAGAIN; } - return -EAGAIN; - } case VIDIOC_G_CTRL: - { - struct v4l2_control *vc = arg; - int i; + { + struct v4l2_control *vc = arg; + int i; + + for (i = HEXIUM_CONTROLS - 1; i >= 0; i--) { + if (hexium_controls[i].id == vc->id) { + break; + } + } - for (i = HEXIUM_CONTROLS - 1; i >= 0; i--) { - if (hexium_controls[i].id == vc->id) { - break; + if (i < 0) { + return -EAGAIN; } - } - - if( i < 0 ) { - return -EAGAIN; - } - - switch (vc->id ) { - case V4L2_CID_PRIVATE_BASE: { - vc->value = hexium->cur_bw; - DEB_D(("VIDIOC_G_CTRL BW:%d.\n",vc->value)); - return 0; + + switch (vc->id) { + case V4L2_CID_PRIVATE_BASE:{ + vc->value = hexium->cur_bw; + DEB_D(("VIDIOC_G_CTRL BW:%d.\n", vc->value)); + return 0; + } } + return -EINVAL; } - return -EINVAL; - } case VIDIOC_S_CTRL: - { - struct v4l2_control *vc = arg; - int i = 0; - - for (i = HEXIUM_CONTROLS - 1; i >= 0; i--) { - if (hexium_controls[i].id == vc->id) { - break; + { + struct v4l2_control *vc = arg; + int i = 0; + + for (i = HEXIUM_CONTROLS - 1; i >= 0; i--) { + if (hexium_controls[i].id == vc->id) { + break; + } } - } - - if( i < 0 ) { - return -EAGAIN; - } - - switch (vc->id ) { - case V4L2_CID_PRIVATE_BASE: { - hexium->cur_bw = vc->value; - break; + + if (i < 0) { + return -EAGAIN; + } + + switch (vc->id) { + case V4L2_CID_PRIVATE_BASE:{ + hexium->cur_bw = vc->value; + break; + } + } + + DEB_D(("VIDIOC_S_CTRL BW:%d.\n", hexium->cur_bw)); + + if (0 == hexium->cur_bw && V4L2_STD_PAL == hexium->cur_std) { + hexium_set_standard(hexium, hexium_pal); + return 0; + } + if (0 == hexium->cur_bw && V4L2_STD_NTSC == hexium->cur_std) { + hexium_set_standard(hexium, hexium_ntsc); + return 0; + } + if (0 == hexium->cur_bw && V4L2_STD_SECAM == hexium->cur_std) { + hexium_set_standard(hexium, hexium_secam); + return 0; + } + if (1 == hexium->cur_bw && V4L2_STD_PAL == hexium->cur_std) { + hexium_set_standard(hexium, hexium_pal_bw); + return 0; + } + if (1 == hexium->cur_bw && V4L2_STD_NTSC == hexium->cur_std) { + hexium_set_standard(hexium, hexium_ntsc_bw); + return 0; + } + if (1 == hexium->cur_bw && V4L2_STD_SECAM == hexium->cur_std) { + /* fixme: is there no bw secam mode? */ + return -EINVAL; } - } - - DEB_D(("VIDIOC_S_CTRL BW:%d.\n",hexium->cur_bw)); - if( 0 == hexium->cur_bw && V4L2_STD_PAL == hexium->cur_std ) { - hexium_set_standard(hexium, hexium_pal); - return 0; - } - if( 0 == hexium->cur_bw && V4L2_STD_NTSC == hexium->cur_std ) { - hexium_set_standard(hexium, hexium_ntsc); - return 0; - } - if( 0 == hexium->cur_bw && V4L2_STD_SECAM == hexium->cur_std ) { - hexium_set_standard(hexium, hexium_secam); - return 0; - } - if( 1 == hexium->cur_bw && V4L2_STD_PAL == hexium->cur_std ) { - hexium_set_standard(hexium, hexium_pal_bw); - return 0; - } - if( 1 == hexium->cur_bw && V4L2_STD_NTSC == hexium->cur_std ) { - hexium_set_standard(hexium, hexium_ntsc_bw); - return 0; - } - if( 1 == hexium->cur_bw && V4L2_STD_SECAM == hexium->cur_std ) { - /* fixme: is there no bw secam mode? */ return -EINVAL; } - - return -EINVAL; - } default: /* DEB_D(("v4l2_ioctl does not handle this ioctl.\n")); @@ -310,19 +309,19 @@ static int hexium_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg) return 0; } -static int std_callback(struct saa7146_dev* dev, struct saa7146_standard *std) +static int std_callback(struct saa7146_dev *dev, struct saa7146_standard *std) { - struct hexium* hexium = (struct hexium*)dev->ext_priv; + struct hexium *hexium = (struct hexium *) dev->ext_priv; - if(V4L2_STD_PAL == std->id ) { + if (V4L2_STD_PAL == std->id) { hexium_set_standard(hexium, hexium_pal); hexium->cur_std = V4L2_STD_PAL; return 0; - } else if (V4L2_STD_NTSC == std->id ) { + } else if (V4L2_STD_NTSC == std->id) { hexium_set_standard(hexium, hexium_ntsc); hexium->cur_std = V4L2_STD_NTSC; return 0; - } else if (V4L2_STD_SECAM == std->id ) { + } else if (V4L2_STD_SECAM == std->id) { hexium_set_standard(hexium, hexium_secam); hexium->cur_std = V4L2_STD_SECAM; return 0; @@ -331,79 +330,75 @@ static int std_callback(struct saa7146_dev* dev, struct saa7146_standard *std) return -1; } -static -struct saa7146_extension hexium_extension; +static struct saa7146_extension hexium_extension; -static -struct saa7146_pci_extension_data hexium_gemini_4bnc = { - .ext_priv = "Hexium Gemini (4 BNC)", - .ext = &hexium_extension, +static struct saa7146_pci_extension_data hexium_gemini_4bnc = { + .ext_priv = "Hexium Gemini (4 BNC)", + .ext = &hexium_extension, }; -static -struct saa7146_pci_extension_data hexium_gemini_dual_4bnc = { - .ext_priv = "Hexium Gemini Dual (4 BNC)", - .ext = &hexium_extension, +static struct saa7146_pci_extension_data hexium_gemini_dual_4bnc = { + .ext_priv = "Hexium Gemini Dual (4 BNC)", + .ext = &hexium_extension, }; -static -struct pci_device_id pci_tbl[] = { +static struct pci_device_id pci_tbl[] = { { - .vendor = PCI_VENDOR_ID_PHILIPS, - .device = PCI_DEVICE_ID_PHILIPS_SAA7146, - .subvendor = 0x17c8, - .subdevice = 0x2401, - .driver_data = (unsigned long)&hexium_gemini_4bnc, - }, { - .vendor = PCI_VENDOR_ID_PHILIPS, - .device = PCI_DEVICE_ID_PHILIPS_SAA7146, - .subvendor = 0x17c8, - .subdevice = 0x2402, - .driver_data = (unsigned long)&hexium_gemini_dual_4bnc, - }, { - .vendor = 0, - } + .vendor = PCI_VENDOR_ID_PHILIPS, + .device = PCI_DEVICE_ID_PHILIPS_SAA7146, + .subvendor = 0x17c8, + .subdevice = 0x2401, + .driver_data = (unsigned long) &hexium_gemini_4bnc, + }, + { + .vendor = PCI_VENDOR_ID_PHILIPS, + .device = PCI_DEVICE_ID_PHILIPS_SAA7146, + .subvendor = 0x17c8, + .subdevice = 0x2402, + .driver_data = (unsigned long) &hexium_gemini_dual_4bnc, + }, + { + .vendor = 0, + } }; MODULE_DEVICE_TABLE(pci, pci_tbl); -static -struct saa7146_ext_vv vv_data = { - .inputs = HEXIUM_INPUTS, - .capabilities = 0, - .stds = &hexium_standards[0], - .num_stds = sizeof(hexium_standards)/sizeof(struct saa7146_standard), - .std_callback = &std_callback, - .ioctls = &ioctls[0], - .ioctl = hexium_ioctl, +static struct saa7146_ext_vv vv_data = { + .inputs = HEXIUM_INPUTS, + .capabilities = 0, + .stds = &hexium_standards[0], + .num_stds = sizeof(hexium_standards) / sizeof(struct saa7146_standard), + .std_callback = &std_callback, + .ioctls = &ioctls[0], + .ioctl = hexium_ioctl, }; -static -struct saa7146_extension hexium_extension = { - .name = "hexium gemini", - .flags = SAA7146_USE_I2C_IRQ, - - .pci_tbl = &pci_tbl[0], - .module = THIS_MODULE, +static struct saa7146_extension hexium_extension = { + .name = "hexium gemini", + .flags = SAA7146_USE_I2C_IRQ, - .attach = hexium_attach, - .detach = hexium_detach, + .pci_tbl = &pci_tbl[0], + .module = THIS_MODULE, - .irq_mask = 0, - .irq_func = NULL, -}; + .attach = hexium_attach, + .detach = hexium_detach, -int __init hexium_init_module(void) + .irq_mask = 0, + .irq_func = NULL, +}; + +static int __init hexium_init_module(void) { - if( 0 != saa7146_register_extension(&hexium_extension)) { + if (0 != saa7146_register_extension(&hexium_extension)) { DEB_S(("failed to register extension.\n")); return -ENODEV; } - + return 0; } -void __exit hexium_cleanup_module(void) +static void __exit hexium_cleanup_module(void) { saa7146_unregister_extension(&hexium_extension); } |