diff options
Diffstat (limited to 'drivers/media/pci/saa7146/hexium_gemini.c')
| -rw-r--r-- | drivers/media/pci/saa7146/hexium_gemini.c | 430 |
1 files changed, 430 insertions, 0 deletions
diff --git a/drivers/media/pci/saa7146/hexium_gemini.c b/drivers/media/pci/saa7146/hexium_gemini.c new file mode 100644 index 00000000000..366434f5647 --- /dev/null +++ b/drivers/media/pci/saa7146/hexium_gemini.c @@ -0,0 +1,430 @@ +/* + hexium_gemini.c - v4l2 driver for Hexium Gemini frame grabber cards + + 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> + + 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., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#define DEBUG_VARIABLE debug + +#include <media/saa7146_vv.h> +#include <linux/module.h> + +static int debug; +module_param(debug, int, 0); +MODULE_PARM_DESC(debug, "debug verbosity"); + +/* global variables */ +static int hexium_num; + +#define HEXIUM_GEMINI 4 +#define HEXIUM_GEMINI_DUAL 5 + +#define HEXIUM_INPUTS 9 +static struct v4l2_input hexium_inputs[HEXIUM_INPUTS] = { + { 0, "CVBS 1", V4L2_INPUT_TYPE_CAMERA, 0, 0, V4L2_STD_ALL, 0, V4L2_IN_CAP_STD }, + { 1, "CVBS 2", V4L2_INPUT_TYPE_CAMERA, 0, 0, V4L2_STD_ALL, 0, V4L2_IN_CAP_STD }, + { 2, "CVBS 3", V4L2_INPUT_TYPE_CAMERA, 0, 0, V4L2_STD_ALL, 0, V4L2_IN_CAP_STD }, + { 3, "CVBS 4", V4L2_INPUT_TYPE_CAMERA, 0, 0, V4L2_STD_ALL, 0, V4L2_IN_CAP_STD }, + { 4, "CVBS 5", V4L2_INPUT_TYPE_CAMERA, 0, 0, V4L2_STD_ALL, 0, V4L2_IN_CAP_STD }, + { 5, "CVBS 6", V4L2_INPUT_TYPE_CAMERA, 0, 0, V4L2_STD_ALL, 0, V4L2_IN_CAP_STD }, + { 6, "Y/C 1", V4L2_INPUT_TYPE_CAMERA, 0, 0, V4L2_STD_ALL, 0, V4L2_IN_CAP_STD }, + { 7, "Y/C 2", V4L2_INPUT_TYPE_CAMERA, 0, 0, V4L2_STD_ALL, 0, V4L2_IN_CAP_STD }, + { 8, "Y/C 3", V4L2_INPUT_TYPE_CAMERA, 0, 0, V4L2_STD_ALL, 0, V4L2_IN_CAP_STD }, +}; + +#define HEXIUM_AUDIOS 0 + +struct hexium_data +{ + s8 adr; + u8 byte; +}; + +#define HEXIUM_GEMINI_V_1_0 1 +#define HEXIUM_GEMINI_DUAL_V_1_0 2 + +struct hexium +{ + int type; + + struct video_device *video_dev; + struct i2c_adapter i2c_adapter; + + int cur_input; /* current input */ + v4l2_std_id cur_std; /* current standard */ +}; + +/* Samsung KS0127B decoder default registers */ +static u8 hexium_ks0127b[0x100]={ +/*00*/ 0x00,0x52,0x30,0x40,0x01,0x0C,0x2A,0x10, +/*08*/ 0x00,0x00,0x00,0x60,0x00,0x00,0x0F,0x06, +/*10*/ 0x00,0x00,0xE4,0xC0,0x00,0x00,0x00,0x00, +/*18*/ 0x14,0x9B,0xFE,0xFF,0xFC,0xFF,0x03,0x22, +/*20*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, +/*28*/ 0x00,0x00,0x00,0x00,0x00,0x2C,0x9B,0x00, +/*30*/ 0x00,0x00,0x10,0x80,0x80,0x10,0x80,0x80, +/*38*/ 0x01,0x04,0x00,0x00,0x00,0x29,0xC0,0x00, +/*40*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, +/*48*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, +/*50*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, +/*58*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, +/*60*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, +/*68*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, +/*70*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, +/*78*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, +/*80*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, +/*88*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, +/*90*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, +/*98*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, +/*A0*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, +/*A8*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, +/*B0*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, +/*B8*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, +/*C0*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, +/*C8*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, +/*D0*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, +/*D8*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, +/*E0*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, +/*E8*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, +/*F0*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, +/*F8*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 +}; + +static struct hexium_data hexium_pal[] = { + { 0x01, 0x52 }, { 0x12, 0x64 }, { 0x2D, 0x2C }, { 0x2E, 0x9B }, { -1 , 0xFF } +}; + +static struct hexium_data hexium_ntsc[] = { + { 0x01, 0x53 }, { 0x12, 0x04 }, { 0x2D, 0x23 }, { 0x2E, 0x81 }, { -1 , 0xFF } +}; + +static struct hexium_data hexium_secam[] = { + { 0x01, 0x52 }, { 0x12, 0x64 }, { 0x2D, 0x2C }, { 0x2E, 0x9B }, { -1 , 0xFF } +}; + +static struct hexium_data hexium_input_select[] = { + { 0x02, 0x60 }, + { 0x02, 0x64 }, + { 0x02, 0x61 }, + { 0x02, 0x65 }, + { 0x02, 0x62 }, + { 0x02, 0x66 }, + { 0x02, 0x68 }, + { 0x02, 0x69 }, + { 0x02, 0x6A }, +}; + +/* fixme: h_offset = 0 for Hexium Gemini *Dual*, which + are currently *not* supported*/ +static struct saa7146_standard hexium_standards[] = { + { + .name = "PAL", .id = V4L2_STD_PAL, + .v_offset = 28, .v_field = 288, + .h_offset = 1, .h_pixels = 680, + .v_max_out = 576, .h_max_out = 768, + }, { + .name = "NTSC", .id = V4L2_STD_NTSC, + .v_offset = 28, .v_field = 240, + .h_offset = 1, .h_pixels = 640, + .v_max_out = 480, .h_max_out = 640, + }, { + .name = "SECAM", .id = V4L2_STD_SECAM, + .v_offset = 28, .v_field = 288, + .h_offset = 1, .h_pixels = 720, + .v_max_out = 576, .h_max_out = 768, + } +}; + +/* bring hardware to a sane state. this has to be done, just in case someone + 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) +{ + 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)) { + pr_err("hexium_init_done() failed for address 0x%02x\n", + i); + } + } + + return 0; +} + +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; + } + + return 0; +} + +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) { + 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)) { + pr_err("hexium_init_done: hexium_set_standard() failed for address 0x%02x\n", + i); + return -1; + } + i++; + } + return 0; +} + +static int vidioc_enum_input(struct file *file, void *fh, struct v4l2_input *i) +{ + DEB_EE("VIDIOC_ENUMINPUT %d\n", i->index); + + if (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; +} + +static int vidioc_g_input(struct file *file, void *fh, unsigned int *input) +{ + struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev; + struct hexium *hexium = (struct hexium *) dev->ext_priv; + + *input = hexium->cur_input; + + DEB_D("VIDIOC_G_INPUT: %d\n", *input); + return 0; +} + +static int vidioc_s_input(struct file *file, void *fh, unsigned int input) +{ + struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev; + struct hexium *hexium = (struct hexium *) dev->ext_priv; + + DEB_EE("VIDIOC_S_INPUT %d\n", input); + + if (input >= HEXIUM_INPUTS) + return -EINVAL; + + hexium->cur_input = input; + hexium_set_input(hexium, input); + 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) +{ + struct hexium *hexium; + int ret; + + DEB_EE("\n"); + + hexium = kzalloc(sizeof(struct hexium), GFP_KERNEL); + if (NULL == hexium) { + pr_err("not enough kernel memory in hexium_attach()\n"); + return -ENOMEM; + } + dev->ext_priv = hexium; + + /* enable i2c-port pins */ + saa7146_write(dev, MC1, (MASK_08 | MASK_24 | MASK_10 | MASK_26)); + + hexium->i2c_adapter = (struct i2c_adapter) { + .name = "hexium gemini", + }; + saa7146_i2c_adapter_prepare(dev, &hexium->i2c_adapter, SAA7146_I2C_BUS_BIT_RATE_480); + if (i2c_add_adapter(&hexium->i2c_adapter) < 0) { + DEB_S("cannot register i2c-device. skipping.\n"); + kfree(hexium); + return -EFAULT; + } + + /* 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, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26)); + + /* the rest */ + hexium->cur_input = 0; + hexium_init_done(dev); + + 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); + + vv_data.vid_ops.vidioc_enum_input = vidioc_enum_input; + vv_data.vid_ops.vidioc_g_input = vidioc_g_input; + vv_data.vid_ops.vidioc_s_input = vidioc_s_input; + ret = saa7146_register_device(&hexium->video_dev, dev, "hexium gemini", VFL_TYPE_GRABBER); + if (ret < 0) { + pr_err("cannot register capture v4l2 device. skipping.\n"); + return ret; + } + + pr_info("found 'hexium gemini' frame grabber-%d\n", hexium_num); + hexium_num++; + + return 0; +} + +static int hexium_detach(struct saa7146_dev *dev) +{ + struct hexium *hexium = (struct hexium *) dev->ext_priv; + + DEB_EE("dev:%p\n", dev); + + saa7146_unregister_device(&hexium->video_dev, dev); + saa7146_vv_release(dev); + + hexium_num--; + + i2c_del_adapter(&hexium->i2c_adapter); + kfree(hexium); + return 0; +} + +static int std_callback(struct saa7146_dev *dev, struct saa7146_standard *std) +{ + struct hexium *hexium = (struct hexium *) dev->ext_priv; + + 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) { + hexium_set_standard(hexium, hexium_ntsc); + hexium->cur_std = V4L2_STD_NTSC; + return 0; + } else if (V4L2_STD_SECAM == std->id) { + hexium_set_standard(hexium, hexium_secam); + hexium->cur_std = V4L2_STD_SECAM; + return 0; + } + + return -1; +} + +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_dual_4bnc = { + .ext_priv = "Hexium Gemini Dual (4 BNC)", + .ext = &hexium_extension, +}; + +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, + } +}; + +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, +}; + +static struct saa7146_extension hexium_extension = { + .name = "hexium gemini", + .flags = SAA7146_USE_I2C_IRQ, + + .pci_tbl = &pci_tbl[0], + .module = THIS_MODULE, + + .attach = hexium_attach, + .detach = hexium_detach, + + .irq_mask = 0, + .irq_func = NULL, +}; + +static int __init hexium_init_module(void) +{ + if (0 != saa7146_register_extension(&hexium_extension)) { + DEB_S("failed to register extension\n"); + return -ENODEV; + } + + return 0; +} + +static void __exit hexium_cleanup_module(void) +{ + saa7146_unregister_extension(&hexium_extension); +} + +module_init(hexium_init_module); +module_exit(hexium_cleanup_module); + +MODULE_DESCRIPTION("video4linux-2 driver for Hexium Gemini frame grabber cards"); +MODULE_AUTHOR("Michael Hunold <michael@mihu.de>"); +MODULE_LICENSE("GPL"); |