diff options
Diffstat (limited to 'drivers/media/video/ivtv/ivtv-driver.c')
-rw-r--r-- | drivers/media/video/ivtv/ivtv-driver.c | 214 |
1 files changed, 66 insertions, 148 deletions
diff --git a/drivers/media/video/ivtv/ivtv-driver.c b/drivers/media/video/ivtv/ivtv-driver.c index b69cc1d55e5b..08b762951759 100644 --- a/drivers/media/video/ivtv/ivtv-driver.c +++ b/drivers/media/video/ivtv/ivtv-driver.c @@ -60,9 +60,6 @@ #include <media/v4l2-chip-ident.h> #include "tuner-xc2028.h" -/* var to keep track of the number of array elements in use */ -int ivtv_cards_active; - /* If you have already X v4l cards, then set this to X. This way the device numbers stay matched. Example: you have a WinTV card without radio and a PVR-350 with. Normally this would give a @@ -70,12 +67,6 @@ int ivtv_cards_active; setting this to 1 you ensure that radio0 is now also radio1. */ int ivtv_first_minor; -/* Master variable for all ivtv info */ -struct ivtv *ivtv_cards[IVTV_MAX_CARDS]; - -/* Protects ivtv_cards_active */ -DEFINE_SPINLOCK(ivtv_cards_lock); - /* add your revision and whatnot here */ static struct pci_device_id ivtv_pci_tbl[] __devinitdata = { {PCI_VENDOR_ID_ICOMP, PCI_DEVICE_ID_IVTV15, @@ -87,6 +78,9 @@ static struct pci_device_id ivtv_pci_tbl[] __devinitdata = { MODULE_DEVICE_TABLE(pci,ivtv_pci_tbl); +/* ivtv instance counter */ +static atomic_t ivtv_instance = ATOMIC_INIT(0); + /* Parameter declarations */ static int cardtype[IVTV_MAX_CARDS]; static int tuner[IVTV_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1, @@ -599,9 +593,9 @@ static void ivtv_process_options(struct ivtv *itv) itv->options.kilobytes[IVTV_DEC_STREAM_TYPE_MPG] = dec_mpg_buffers * 1024; itv->options.kilobytes[IVTV_DEC_STREAM_TYPE_YUV] = dec_yuv_buffers * 1024; itv->options.kilobytes[IVTV_DEC_STREAM_TYPE_VBI] = dec_vbi_buffers; - itv->options.cardtype = cardtype[itv->num]; - itv->options.tuner = tuner[itv->num]; - itv->options.radio = radio[itv->num]; + itv->options.cardtype = cardtype[itv->instance]; + itv->options.tuner = tuner[itv->instance]; + itv->options.radio = radio[itv->instance]; itv->options.newi2c = newi2c; if (tunertype < -1 || tunertype > 1) { IVTV_WARN("Invalid tunertype argument, will autodetect instead\n"); @@ -688,7 +682,7 @@ static int __devinit ivtv_init_struct1(struct ivtv *itv) spin_lock_init(&itv->lock); spin_lock_init(&itv->dma_reg_lock); - itv->irq_work_queues = create_singlethread_workqueue(itv->name); + itv->irq_work_queues = create_singlethread_workqueue(itv->device.name); if (itv->irq_work_queues == NULL) { IVTV_ERR("Could not create ivtv workqueue\n"); return -1; @@ -770,12 +764,6 @@ static void __devinit ivtv_init_struct2(struct ivtv *itv) i = 0; itv->active_input = i; itv->audio_input = itv->card->video_inputs[i].audio_index; - if (itv->card->hw_all & IVTV_HW_CX25840) - itv->video_dec_func = ivtv_cx25840; - else if (itv->card->hw_all & IVTV_HW_SAA717X) - itv->video_dec_func = ivtv_saa717x; - else - itv->video_dec_func = ivtv_saa7115; } static int ivtv_setup_pci(struct ivtv *itv, struct pci_dev *dev, @@ -788,21 +776,21 @@ static int ivtv_setup_pci(struct ivtv *itv, struct pci_dev *dev, IVTV_DEBUG_INFO("Enabling pci device\n"); if (pci_enable_device(dev)) { - IVTV_ERR("Can't enable device %d!\n", itv->num); + IVTV_ERR("Can't enable device!\n"); return -EIO; } if (pci_set_dma_mask(dev, 0xffffffff)) { - IVTV_ERR("No suitable DMA available on card %d.\n", itv->num); + IVTV_ERR("No suitable DMA available.\n"); return -EIO; } if (!request_mem_region(itv->base_addr, IVTV_ENCODER_SIZE, "ivtv encoder")) { - IVTV_ERR("Cannot request encoder memory region on card %d.\n", itv->num); + IVTV_ERR("Cannot request encoder memory region.\n"); return -EIO; } if (!request_mem_region(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE, "ivtv registers")) { - IVTV_ERR("Cannot request register memory region on card %d.\n", itv->num); + IVTV_ERR("Cannot request register memory region.\n"); release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE); return -EIO; } @@ -810,7 +798,7 @@ static int ivtv_setup_pci(struct ivtv *itv, struct pci_dev *dev, if (itv->has_cx23415 && !request_mem_region(itv->base_addr + IVTV_DECODER_OFFSET, IVTV_DECODER_SIZE, "ivtv decoder")) { - IVTV_ERR("Cannot request decoder memory region on card %d.\n", itv->num); + IVTV_ERR("Cannot request decoder memory region.\n"); release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE); release_mem_region(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE); return -EIO; @@ -853,69 +841,11 @@ static int ivtv_setup_pci(struct ivtv *itv, struct pci_dev *dev, return 0; } -#ifdef MODULE -static u32 ivtv_request_module(struct ivtv *itv, u32 hw, - const char *name, u32 id) -{ - if ((hw & id) == 0) - return hw; - if (request_module(name) != 0) { - IVTV_ERR("Failed to load module %s\n", name); - return hw & ~id; - } - IVTV_DEBUG_INFO("Loaded module %s\n", name); - return hw; -} -#endif - static void ivtv_load_and_init_modules(struct ivtv *itv) { u32 hw = itv->card->hw_all; unsigned i; -#ifdef MODULE - /* load modules */ -#ifdef CONFIG_MEDIA_TUNER_MODULE - hw = ivtv_request_module(itv, hw, "tuner", IVTV_HW_TUNER); -#endif -#ifdef CONFIG_VIDEO_CX25840_MODULE - hw = ivtv_request_module(itv, hw, "cx25840", IVTV_HW_CX25840); -#endif -#ifdef CONFIG_VIDEO_SAA711X_MODULE - hw = ivtv_request_module(itv, hw, "saa7115", IVTV_HW_SAA711X); -#endif -#ifdef CONFIG_VIDEO_SAA7127_MODULE - hw = ivtv_request_module(itv, hw, "saa7127", IVTV_HW_SAA7127); -#endif -#ifdef CONFIG_VIDEO_SAA717X_MODULE - hw = ivtv_request_module(itv, hw, "saa717x", IVTV_HW_SAA717X); -#endif -#ifdef CONFIG_VIDEO_UPD64031A_MODULE - hw = ivtv_request_module(itv, hw, "upd64031a", IVTV_HW_UPD64031A); -#endif -#ifdef CONFIG_VIDEO_UPD64083_MODULE - hw = ivtv_request_module(itv, hw, "upd64083", IVTV_HW_UPD6408X); -#endif -#ifdef CONFIG_VIDEO_MSP3400_MODULE - hw = ivtv_request_module(itv, hw, "msp3400", IVTV_HW_MSP34XX); -#endif -#ifdef CONFIG_VIDEO_VP27SMPX_MODULE - hw = ivtv_request_module(itv, hw, "vp27smpx", IVTV_HW_VP27SMPX); -#endif -#ifdef CONFIG_VIDEO_WM8775_MODULE - hw = ivtv_request_module(itv, hw, "wm8775", IVTV_HW_WM8775); -#endif -#ifdef CONFIG_VIDEO_WM8739_MODULE - hw = ivtv_request_module(itv, hw, "wm8739", IVTV_HW_WM8739); -#endif -#ifdef CONFIG_VIDEO_CS53L32A_MODULE - hw = ivtv_request_module(itv, hw, "cs53l32a", IVTV_HW_CS53L32A); -#endif -#ifdef CONFIG_VIDEO_M52790_MODULE - hw = ivtv_request_module(itv, hw, "m52790", IVTV_HW_M52790); -#endif -#endif - /* check which i2c devices are actually found */ for (i = 0; i < 32; i++) { u32 device = 1 << i; @@ -927,11 +857,21 @@ static void ivtv_load_and_init_modules(struct ivtv *itv) itv->hw_flags |= device; continue; } - ivtv_i2c_register(itv, i); - if (ivtv_i2c_hw_addr(itv, device) > 0) + if (ivtv_i2c_register(itv, i) == 0) itv->hw_flags |= device; } + if (itv->card->hw_all & IVTV_HW_CX25840) + itv->sd_video = ivtv_find_hw(itv, IVTV_HW_CX25840); + else if (itv->card->hw_all & IVTV_HW_SAA717X) + itv->sd_video = ivtv_find_hw(itv, IVTV_HW_SAA717X); + else if (itv->card->hw_all & IVTV_HW_SAA7114) + itv->sd_video = ivtv_find_hw(itv, IVTV_HW_SAA7114); + else + itv->sd_video = ivtv_find_hw(itv, IVTV_HW_SAA7115); + itv->sd_audio = ivtv_find_hw(itv, itv->card->hw_audio_ctrl); + itv->sd_muxer = ivtv_find_hw(itv, itv->card->hw_muxer); + hw = itv->hw_flags; if (itv->card->type == IVTV_CARD_CX23416GYC) { @@ -949,7 +889,7 @@ static void ivtv_load_and_init_modules(struct ivtv *itv) /* The crystal frequency of GVMVPRX is 24.576MHz */ crystal_freq.freq = SAA7115_FREQ_24_576_MHZ; crystal_freq.flags = SAA7115_FREQ_FL_UCGC; - itv->video_dec_func(itv, VIDIOC_INT_S_CRYSTAL_FREQ, &crystal_freq); + v4l2_subdev_call(itv->sd_video, video, s_crystal_freq, &crystal_freq); } if (hw & IVTV_HW_CX25840) { @@ -967,7 +907,7 @@ static void ivtv_load_and_init_modules(struct ivtv *itv) /* determine the exact saa711x model */ itv->hw_flags &= ~IVTV_HW_SAA711X; - ivtv_saa7115(itv, VIDIOC_G_CHIP_IDENT, &v); + ivtv_call_hw(itv, IVTV_HW_SAA711X, core, g_chip_ident, &v); if (v.ident == V4L2_IDENT_SAA7114) { itv->hw_flags |= IVTV_HW_SAA7114; /* VBI is not yet supported by the saa7114 driver. */ @@ -1001,28 +941,20 @@ static int __devinit ivtv_probe(struct pci_dev *dev, int vbi_buf_size; struct ivtv *itv; - spin_lock(&ivtv_cards_lock); - - /* Make sure we've got a place for this card */ - if (ivtv_cards_active == IVTV_MAX_CARDS) { - printk(KERN_ERR "ivtv: Maximum number of cards detected (%d)\n", - ivtv_cards_active); - spin_unlock(&ivtv_cards_lock); - return -ENOMEM; - } - itv = kzalloc(sizeof(struct ivtv), GFP_ATOMIC); - if (itv == NULL) { - spin_unlock(&ivtv_cards_lock); + if (itv == NULL) return -ENOMEM; - } - ivtv_cards[ivtv_cards_active] = itv; itv->dev = dev; - itv->num = ivtv_cards_active++; - snprintf(itv->name, sizeof(itv->name), "ivtv%d", itv->num); - IVTV_INFO("Initializing card #%d\n", itv->num); + itv->instance = atomic_inc_return(&ivtv_instance) - 1; - spin_unlock(&ivtv_cards_lock); + retval = v4l2_device_register(&dev->dev, &itv->device); + if (retval) + return retval; + /* "ivtv + PCI ID" is a bit of a mouthful, so use + "ivtv + instance" instead. */ + snprintf(itv->device.name, sizeof(itv->device.name), + "ivtv%d", itv->instance); + IVTV_INFO("Initializing card %d\n", itv->instance); ivtv_process_options(itv); if (itv->options.cardtype == -1) { @@ -1043,8 +975,6 @@ static int __devinit ivtv_probe(struct pci_dev *dev, else if (retval == -ENXIO) goto free_mem; } - /* save itv in the pci struct for later use */ - pci_set_drvdata(dev, itv); /* map io memory */ IVTV_DEBUG_INFO("attempting ioremap at 0x%08x len 0x%08x\n", @@ -1086,7 +1016,9 @@ static int __devinit ivtv_probe(struct pci_dev *dev, goto free_io; } - ivtv_gpio_init(itv); + retval = ivtv_gpio_init(itv); + if (retval) + goto free_io; /* active i2c */ IVTV_DEBUG_INFO("activating i2c...\n"); @@ -1095,8 +1027,6 @@ static int __devinit ivtv_probe(struct pci_dev *dev, goto free_io; } - IVTV_DEBUG_INFO("Active card count: %d.\n", ivtv_cards_active); - if (itv->card->hw_all & IVTV_HW_TVEEPROM) { /* Based on the model number the cardtype may be changed. The PCI IDs are not always reliable. */ @@ -1191,7 +1121,7 @@ static int __devinit ivtv_probe(struct pci_dev *dev, setup.mode_mask = T_ANALOG_TV; /* matches TV tuners */ setup.tuner_callback = (setup.type == TUNER_XC2028) ? ivtv_reset_tuner_gpio : NULL; - ivtv_call_i2c_clients(itv, TUNER_SET_TYPE_ADDR, &setup); + ivtv_call_all(itv, tuner, s_type_addr, &setup); if (setup.type == TUNER_XC2028) { static struct xc2028_ctrl ctrl = { .fname = XC2028_DEFAULT_FIRMWARE, @@ -1201,7 +1131,7 @@ static int __devinit ivtv_probe(struct pci_dev *dev, .tuner = itv->options.tuner, .priv = &ctrl, }; - ivtv_call_i2c_clients(itv, TUNER_SET_CONFIG, &cfg); + ivtv_call_all(itv, tuner, s_config, &cfg); } } @@ -1210,11 +1140,11 @@ static int __devinit ivtv_probe(struct pci_dev *dev, itv->tuner_std = itv->std; if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) { - ivtv_call_i2c_clients(itv, VIDIOC_INT_S_STD_OUTPUT, &itv->std); + ivtv_call_all(itv, video, s_std_output, itv->std); /* Turn off the output signal. The mpeg decoder is not yet active so without this you would get a green image until the mpeg decoder becomes active. */ - ivtv_saa7127(itv, VIDIOC_STREAMOFF, NULL); + ivtv_call_hw(itv, IVTV_HW_SAA7127, video, s_stream, 0); } /* clear interrupt mask, effectively disabling interrupts */ @@ -1222,7 +1152,7 @@ static int __devinit ivtv_probe(struct pci_dev *dev, /* Register IRQ */ retval = request_irq(itv->dev->irq, ivtv_irq_handler, - IRQF_SHARED | IRQF_DISABLED, itv->name, (void *)itv); + IRQF_SHARED | IRQF_DISABLED, itv->device.name, (void *)itv); if (retval) { IVTV_ERR("Failed to register irq %d\n", retval); goto free_i2c; @@ -1238,7 +1168,7 @@ static int __devinit ivtv_probe(struct pci_dev *dev, IVTV_ERR("Error %d registering devices\n", retval); goto free_streams; } - IVTV_INFO("Initialized card #%d: %s\n", itv->num, itv->card_name); + IVTV_INFO("Initialized card: %s\n", itv->card_name); return 0; free_streams: @@ -1261,10 +1191,8 @@ err: retval = -ENODEV; IVTV_ERR("Error %d on initialization\n", retval); - spin_lock(&ivtv_cards_lock); - kfree(ivtv_cards[ivtv_cards_active]); - ivtv_cards[ivtv_cards_active] = NULL; - spin_unlock(&ivtv_cards_lock); + v4l2_device_unregister(&itv->device); + kfree(itv); return retval; } @@ -1304,10 +1232,11 @@ int ivtv_init_on_first_open(struct ivtv *itv) if (itv->card->hw_all & IVTV_HW_CX25840) { struct v4l2_control ctrl; + v4l2_subdev_call(itv->sd_video, core, init, 0); /* CX25840_CID_ENABLE_PVR150_WORKAROUND */ ctrl.id = V4L2_CID_PRIVATE_BASE; ctrl.value = itv->pvr150_workaround; - itv->video_dec_func(itv, VIDIOC_S_CTRL, &ctrl); + v4l2_subdev_call(itv->sd_video, core, s_ctrl, &ctrl); } vf.tuner = 0; @@ -1337,7 +1266,7 @@ int ivtv_init_on_first_open(struct ivtv *itv) /* Turn on the TV-out: ivtv_init_mpeg_decoder() initializes the mpeg decoder so now the saa7127 receives a proper signal. */ - ivtv_saa7127(itv, VIDIOC_STREAMON, NULL); + ivtv_call_hw(itv, IVTV_HW_SAA7127, video, s_stream, 1); ivtv_init_mpeg_decoder(itv); } ivtv_s_std(NULL, &fh, &itv->tuner_std); @@ -1362,9 +1291,11 @@ int ivtv_init_on_first_open(struct ivtv *itv) static void ivtv_remove(struct pci_dev *pci_dev) { - struct ivtv *itv = pci_get_drvdata(pci_dev); + struct v4l2_device *dev = dev_get_drvdata(&pci_dev->dev); + struct ivtv *itv = to_ivtv(dev); + int i; - IVTV_DEBUG_INFO("Removing Card #%d\n", itv->num); + IVTV_DEBUG_INFO("Removing card\n"); if (test_bit(IVTV_F_I_INITED, &itv->i_flags)) { /* Stop all captures */ @@ -1377,7 +1308,7 @@ static void ivtv_remove(struct pci_dev *pci_dev) /* Turn off the TV-out */ if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) - ivtv_saa7127(itv, VIDIOC_STREAMOFF, NULL); + ivtv_call_hw(itv, IVTV_HW_SAA7127, video, s_stream, 0); if (atomic_read(&itv->decoding) > 0) { int type; @@ -1402,6 +1333,8 @@ static void ivtv_remove(struct pci_dev *pci_dev) ivtv_streams_cleanup(itv, 1); ivtv_udma_free(itv); + v4l2_device_unregister(&itv->device); + exit_ivtv_i2c(itv); free_irq(itv->dev->irq, (void *)itv); @@ -1413,8 +1346,11 @@ static void ivtv_remove(struct pci_dev *pci_dev) release_mem_region(itv->base_addr + IVTV_DECODER_OFFSET, IVTV_DECODER_SIZE); pci_disable_device(itv->dev); + for (i = 0; i < IVTV_VBI_FRAMES; i++) + kfree(itv->vbi.sliced_mpeg_data[i]); - IVTV_INFO("Removed %s, card #%d\n", itv->card_name, itv->num); + printk(KERN_INFO "ivtv: Removed %s\n", itv->card_name); + kfree(itv); } /* define a pci_driver for card detection */ @@ -1427,54 +1363,36 @@ static struct pci_driver ivtv_pci_driver = { static int module_start(void) { - printk(KERN_INFO "ivtv: Start initialization, version %s\n", IVTV_VERSION); - - memset(ivtv_cards, 0, sizeof(ivtv_cards)); + printk(KERN_INFO "ivtv: Start initialization, version %s\n", IVTV_VERSION); /* Validate parameters */ if (ivtv_first_minor < 0 || ivtv_first_minor >= IVTV_MAX_CARDS) { - printk(KERN_ERR "ivtv: Exiting, ivtv_first_minor must be between 0 and %d\n", + printk(KERN_ERR "ivtv: Exiting, ivtv_first_minor must be between 0 and %d\n", IVTV_MAX_CARDS - 1); return -1; } if (ivtv_debug < 0 || ivtv_debug > 2047) { ivtv_debug = 0; - printk(KERN_INFO "ivtv: Debug value must be >= 0 and <= 2047\n"); + printk(KERN_INFO "ivtv: Debug value must be >= 0 and <= 2047\n"); } if (pci_register_driver(&ivtv_pci_driver)) { - printk(KERN_ERR "ivtv: Error detecting PCI card\n"); + printk(KERN_ERR "ivtv: Error detecting PCI card\n"); return -ENODEV; } - printk(KERN_INFO "ivtv: End initialization\n"); + printk(KERN_INFO "ivtv: End initialization\n"); return 0; } static void module_cleanup(void) { - int i, j; - pci_unregister_driver(&ivtv_pci_driver); - - spin_lock(&ivtv_cards_lock); - for (i = 0; i < ivtv_cards_active; i++) { - if (ivtv_cards[i] == NULL) - continue; - for (j = 0; j < IVTV_VBI_FRAMES; j++) { - kfree(ivtv_cards[i]->vbi.sliced_mpeg_data[j]); - } - kfree(ivtv_cards[i]); - } - spin_unlock(&ivtv_cards_lock); } /* Note: These symbols are exported because they are used by the ivtvfb framebuffer module and an infrared module for the IR-blaster. */ EXPORT_SYMBOL(ivtv_set_irq_mask); -EXPORT_SYMBOL(ivtv_cards_active); -EXPORT_SYMBOL(ivtv_cards); -EXPORT_SYMBOL(ivtv_cards_lock); EXPORT_SYMBOL(ivtv_api); EXPORT_SYMBOL(ivtv_vapi); EXPORT_SYMBOL(ivtv_vapi_result); |