diff options
Diffstat (limited to 'drivers/media/video/em28xx/em28xx-dvb.c')
| -rw-r--r-- | drivers/media/video/em28xx/em28xx-dvb.c | 533 |
1 files changed, 0 insertions, 533 deletions
diff --git a/drivers/media/video/em28xx/em28xx-dvb.c b/drivers/media/video/em28xx/em28xx-dvb.c deleted file mode 100644 index 9ad8527b3fd..00000000000 --- a/drivers/media/video/em28xx/em28xx-dvb.c +++ /dev/null @@ -1,533 +0,0 @@ -/* - DVB device driver for em28xx - - (c) 2008 Mauro Carvalho Chehab <mchehab@infradead.org> - - (c) 2008 Devin Heitmueller <devin.heitmueller@gmail.com> - - Fixes for the driver to properly work with HVR-950 - - Fixes for the driver to properly work with Pinnacle PCTV HD Pro Stick - - Fixes for the driver to properly work with AMD ATI TV Wonder HD 600 - - (c) 2008 Aidan Thornton <makosoft@googlemail.com> - - Based on cx88-dvb, saa7134-dvb and videobuf-dvb originally written by: - (c) 2004, 2005 Chris Pascoe <c.pascoe@itee.uq.edu.au> - (c) 2004 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs] - - 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. - */ - -#include <linux/kernel.h> -#include <linux/usb.h> - -#include "em28xx.h" -#include <media/v4l2-common.h> -#include <media/videobuf-vmalloc.h> - -#include "lgdt330x.h" -#include "zl10353.h" -#include "s5h1409.h" -#ifdef EM28XX_DRX397XD_SUPPORT -#include "drx397xD.h" -#endif - -MODULE_DESCRIPTION("driver for em28xx based DVB cards"); -MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@infradead.org>"); -MODULE_LICENSE("GPL"); - -static unsigned int debug; -module_param(debug, int, 0644); -MODULE_PARM_DESC(debug, "enable debug messages [dvb]"); - -DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); - -#define dprintk(level, fmt, arg...) do { \ -if (debug >= level) \ - printk(KERN_DEBUG "%s/2-dvb: " fmt, dev->name, ## arg); \ -} while (0) - -#define EM28XX_DVB_NUM_BUFS 5 -#define EM28XX_DVB_MAX_PACKETSIZE 564 -#define EM28XX_DVB_MAX_PACKETS 64 - -struct em28xx_dvb { - struct dvb_frontend *frontend; - - /* feed count management */ - struct mutex lock; - int nfeeds; - - /* general boilerplate stuff */ - struct dvb_adapter adapter; - struct dvb_demux demux; - struct dmxdev dmxdev; - struct dmx_frontend fe_hw; - struct dmx_frontend fe_mem; - struct dvb_net net; -}; - - -static inline void print_err_status(struct em28xx *dev, - int packet, int status) -{ - char *errmsg = "Unknown"; - - switch (status) { - case -ENOENT: - errmsg = "unlinked synchronuously"; - break; - case -ECONNRESET: - errmsg = "unlinked asynchronuously"; - break; - case -ENOSR: - errmsg = "Buffer error (overrun)"; - break; - case -EPIPE: - errmsg = "Stalled (device not responding)"; - break; - case -EOVERFLOW: - errmsg = "Babble (bad cable?)"; - break; - case -EPROTO: - errmsg = "Bit-stuff error (bad cable?)"; - break; - case -EILSEQ: - errmsg = "CRC/Timeout (could be anything)"; - break; - case -ETIME: - errmsg = "Device does not respond"; - break; - } - if (packet < 0) { - dprintk(1, "URB status %d [%s].\n", status, errmsg); - } else { - dprintk(1, "URB packet %d, status %d [%s].\n", - packet, status, errmsg); - } -} - -static inline int dvb_isoc_copy(struct em28xx *dev, struct urb *urb) -{ - int i; - - if (!dev) - return 0; - - if ((dev->state & DEV_DISCONNECTED) || (dev->state & DEV_MISCONFIGURED)) - return 0; - - if (urb->status < 0) { - print_err_status(dev, -1, urb->status); - if (urb->status == -ENOENT) - return 0; - } - - for (i = 0; i < urb->number_of_packets; i++) { - int status = urb->iso_frame_desc[i].status; - - if (status < 0) { - print_err_status(dev, i, status); - if (urb->iso_frame_desc[i].status != -EPROTO) - continue; - } - - dvb_dmx_swfilter(&dev->dvb->demux, urb->transfer_buffer + - urb->iso_frame_desc[i].offset, - urb->iso_frame_desc[i].actual_length); - } - - return 0; -} - -static int start_streaming(struct em28xx_dvb *dvb) -{ - int rc; - struct em28xx *dev = dvb->adapter.priv; - - usb_set_interface(dev->udev, 0, 1); - rc = em28xx_set_mode(dev, EM28XX_DIGITAL_MODE); - if (rc < 0) - return rc; - - return em28xx_init_isoc(dev, EM28XX_DVB_MAX_PACKETS, - EM28XX_DVB_NUM_BUFS, EM28XX_DVB_MAX_PACKETSIZE, - dvb_isoc_copy); -} - -static int stop_streaming(struct em28xx_dvb *dvb) -{ - struct em28xx *dev = dvb->adapter.priv; - - em28xx_uninit_isoc(dev); - - em28xx_set_mode(dev, EM28XX_SUSPEND); - - return 0; -} - -static int start_feed(struct dvb_demux_feed *feed) -{ - struct dvb_demux *demux = feed->demux; - struct em28xx_dvb *dvb = demux->priv; - int rc, ret; - - if (!demux->dmx.frontend) - return -EINVAL; - - mutex_lock(&dvb->lock); - dvb->nfeeds++; - rc = dvb->nfeeds; - - if (dvb->nfeeds == 1) { - ret = start_streaming(dvb); - if (ret < 0) - rc = ret; - } - - mutex_unlock(&dvb->lock); - return rc; -} - -static int stop_feed(struct dvb_demux_feed *feed) -{ - struct dvb_demux *demux = feed->demux; - struct em28xx_dvb *dvb = demux->priv; - int err = 0; - - mutex_lock(&dvb->lock); - dvb->nfeeds--; - - if (0 == dvb->nfeeds) - err = stop_streaming(dvb); - - mutex_unlock(&dvb->lock); - return err; -} - - - -/* ------------------------------------------------------------------ */ -static int em28xx_dvb_bus_ctrl(struct dvb_frontend *fe, int acquire) -{ - struct em28xx *dev = fe->dvb->priv; - - if (acquire) - return em28xx_set_mode(dev, EM28XX_DIGITAL_MODE); - else - return em28xx_set_mode(dev, EM28XX_SUSPEND); -} - -/* ------------------------------------------------------------------ */ - -static struct lgdt330x_config em2880_lgdt3303_dev = { - .demod_address = 0x0e, - .demod_chip = LGDT3303, -}; - -static struct zl10353_config em28xx_zl10353_with_xc3028 = { - .demod_address = (0x1e >> 1), - .no_tuner = 1, - .parallel_ts = 1, - .if2 = 45600, -}; - -static struct s5h1409_config em28xx_s5h1409_with_xc3028 = { - .demod_address = 0x32 >> 1, - .output_mode = S5H1409_PARALLEL_OUTPUT, - .gpio = S5H1409_GPIO_OFF, - .inversion = S5H1409_INVERSION_OFF, - .status_mode = S5H1409_DEMODLOCKING, - .mpeg_timing = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK -}; - -#ifdef EM28XX_DRX397XD_SUPPORT -/* [TODO] djh - not sure yet what the device config needs to contain */ -static struct drx397xD_config em28xx_drx397xD_with_xc3028 = { - .demod_address = (0xe0 >> 1), -}; -#endif - -/* ------------------------------------------------------------------ */ - -static int attach_xc3028(u8 addr, struct em28xx *dev) -{ - struct dvb_frontend *fe; - struct xc2028_config cfg; - - memset(&cfg, 0, sizeof(cfg)); - cfg.i2c_adap = &dev->i2c_adap; - cfg.i2c_addr = addr; - - if (!dev->dvb->frontend) { - printk(KERN_ERR "%s/2: dvb frontend not attached. " - "Can't attach xc3028\n", - dev->name); - return -EINVAL; - } - - fe = dvb_attach(xc2028_attach, dev->dvb->frontend, &cfg); - if (!fe) { - printk(KERN_ERR "%s/2: xc3028 attach failed\n", - dev->name); - dvb_frontend_detach(dev->dvb->frontend); - dev->dvb->frontend = NULL; - return -EINVAL; - } - - printk(KERN_INFO "%s/2: xc3028 attached\n", dev->name); - - return 0; -} - -/* ------------------------------------------------------------------ */ - -static int register_dvb(struct em28xx_dvb *dvb, - struct module *module, - struct em28xx *dev, - struct device *device) -{ - int result; - - mutex_init(&dvb->lock); - - /* register adapter */ - result = dvb_register_adapter(&dvb->adapter, dev->name, module, device, - adapter_nr); - if (result < 0) { - printk(KERN_WARNING "%s: dvb_register_adapter failed (errno = %d)\n", - dev->name, result); - goto fail_adapter; - } - - /* Ensure all frontends negotiate bus access */ - dvb->frontend->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl; - - dvb->adapter.priv = dev; - - /* register frontend */ - result = dvb_register_frontend(&dvb->adapter, dvb->frontend); - if (result < 0) { - printk(KERN_WARNING "%s: dvb_register_frontend failed (errno = %d)\n", - dev->name, result); - goto fail_frontend; - } - - /* register demux stuff */ - dvb->demux.dmx.capabilities = - DMX_TS_FILTERING | DMX_SECTION_FILTERING | - DMX_MEMORY_BASED_FILTERING; - dvb->demux.priv = dvb; - dvb->demux.filternum = 256; - dvb->demux.feednum = 256; - dvb->demux.start_feed = start_feed; - dvb->demux.stop_feed = stop_feed; - - result = dvb_dmx_init(&dvb->demux); - if (result < 0) { - printk(KERN_WARNING "%s: dvb_dmx_init failed (errno = %d)\n", - dev->name, result); - goto fail_dmx; - } - - dvb->dmxdev.filternum = 256; - dvb->dmxdev.demux = &dvb->demux.dmx; - dvb->dmxdev.capabilities = 0; - result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter); - if (result < 0) { - printk(KERN_WARNING "%s: dvb_dmxdev_init failed (errno = %d)\n", - dev->name, result); - goto fail_dmxdev; - } - - dvb->fe_hw.source = DMX_FRONTEND_0; - result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw); - if (result < 0) { - printk(KERN_WARNING "%s: add_frontend failed (DMX_FRONTEND_0, errno = %d)\n", - dev->name, result); - goto fail_fe_hw; - } - - dvb->fe_mem.source = DMX_MEMORY_FE; - result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem); - if (result < 0) { - printk(KERN_WARNING "%s: add_frontend failed (DMX_MEMORY_FE, errno = %d)\n", - dev->name, result); - goto fail_fe_mem; - } - - result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw); - if (result < 0) { - printk(KERN_WARNING "%s: connect_frontend failed (errno = %d)\n", - dev->name, result); - goto fail_fe_conn; - } - - /* register network adapter */ - dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx); - return 0; - -fail_fe_conn: - dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem); -fail_fe_mem: - dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw); -fail_fe_hw: - dvb_dmxdev_release(&dvb->dmxdev); -fail_dmxdev: - dvb_dmx_release(&dvb->demux); -fail_dmx: - dvb_unregister_frontend(dvb->frontend); -fail_frontend: - dvb_frontend_detach(dvb->frontend); - dvb_unregister_adapter(&dvb->adapter); -fail_adapter: - return result; -} - -static void unregister_dvb(struct em28xx_dvb *dvb) -{ - dvb_net_release(&dvb->net); - dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem); - dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw); - dvb_dmxdev_release(&dvb->dmxdev); - dvb_dmx_release(&dvb->demux); - dvb_unregister_frontend(dvb->frontend); - dvb_frontend_detach(dvb->frontend); - dvb_unregister_adapter(&dvb->adapter); -} - - -static int dvb_init(struct em28xx *dev) -{ - int result = 0; - struct em28xx_dvb *dvb; - - if (!dev->board.has_dvb) { - /* This device does not support the extension */ - return 0; - } - - dvb = kzalloc(sizeof(struct em28xx_dvb), GFP_KERNEL); - - if (dvb == NULL) { - printk(KERN_INFO "em28xx_dvb: memory allocation failed\n"); - return -ENOMEM; - } - dev->dvb = dvb; - - em28xx_set_mode(dev, EM28XX_DIGITAL_MODE); - /* init frontend */ - switch (dev->model) { - case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850: - case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950: - case EM2880_BOARD_PINNACLE_PCTV_HD_PRO: - case EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600: - dvb->frontend = dvb_attach(lgdt330x_attach, - &em2880_lgdt3303_dev, - &dev->i2c_adap); - if (attach_xc3028(0x61, dev) < 0) { - result = -EINVAL; - goto out_free; - } - break; - case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900: - case EM2880_BOARD_TERRATEC_HYBRID_XS: - case EM2880_BOARD_KWORLD_DVB_310U: - dvb->frontend = dvb_attach(zl10353_attach, - &em28xx_zl10353_with_xc3028, - &dev->i2c_adap); - if (attach_xc3028(0x61, dev) < 0) { - result = -EINVAL; - goto out_free; - } - break; - case EM2883_BOARD_KWORLD_HYBRID_330U: - dvb->frontend = dvb_attach(s5h1409_attach, - &em28xx_s5h1409_with_xc3028, - &dev->i2c_adap); - if (attach_xc3028(0x61, dev) < 0) { - result = -EINVAL; - goto out_free; - } - break; - case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2: -#ifdef EM28XX_DRX397XD_SUPPORT - /* We don't have the config structure properly populated, so - this is commented out for now */ - dvb->frontend = dvb_attach(drx397xD_attach, - &em28xx_drx397xD_with_xc3028, - &dev->i2c_adap); - if (attach_xc3028(0x61, dev) < 0) { - result = -EINVAL; - goto out_free; - } - break; -#endif - default: - printk(KERN_ERR "%s/2: The frontend of your DVB/ATSC card" - " isn't supported yet\n", - dev->name); - break; - } - if (NULL == dvb->frontend) { - printk(KERN_ERR - "%s/2: frontend initialization failed\n", - dev->name); - result = -EINVAL; - goto out_free; - } - /* define general-purpose callback pointer */ - dvb->frontend->callback = em28xx_tuner_callback; - - /* register everything */ - result = register_dvb(dvb, THIS_MODULE, dev, &dev->udev->dev); - - if (result < 0) - goto out_free; - - em28xx_set_mode(dev, EM28XX_SUSPEND); - printk(KERN_INFO "Successfully loaded em28xx-dvb\n"); - return 0; - -out_free: - em28xx_set_mode(dev, EM28XX_SUSPEND); - kfree(dvb); - dev->dvb = NULL; - return result; -} - -static int dvb_fini(struct em28xx *dev) -{ - if (!dev->board.has_dvb) { - /* This device does not support the extension */ - return 0; - } - - if (dev->dvb) { - unregister_dvb(dev->dvb); - dev->dvb = NULL; - } - - return 0; -} - -static struct em28xx_ops dvb_ops = { - .id = EM28XX_DVB, - .name = "Em28xx dvb Extension", - .init = dvb_init, - .fini = dvb_fini, -}; - -static int __init em28xx_dvb_register(void) -{ - return em28xx_register_extension(&dvb_ops); -} - -static void __exit em28xx_dvb_unregister(void) -{ - em28xx_unregister_extension(&dvb_ops); -} - -module_init(em28xx_dvb_register); -module_exit(em28xx_dvb_unregister); |