// SPDX-License-Identifier: GPL-2.0-or-later /* * cx18 driver initialization and card probing * * Derived from ivtv-driver.c * * Copyright (C) 2007 Hans Verkuil <[email protected]> * Copyright (C) 2008 Andy Walls <[email protected]> */ #include "cx18-driver.h" #include "cx18-io.h" #include "cx18-version.h" #include "cx18-cards.h" #include "cx18-i2c.h" #include "cx18-irq.h" #include "cx18-gpio.h" #include "cx18-firmware.h" #include "cx18-queue.h" #include "cx18-streams.h" #include "cx18-av-core.h" #include "cx18-scb.h" #include "cx18-mailbox.h" #include "cx18-ioctl.h" #include "cx18-controls.h" #include "xc2028.h" #include <linux/dma-mapping.h> #include <media/tveeprom.h> /* 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 Compro H900 with. Normally this would give a video1 device together with a radio0 device for the Compro. By setting this to 1 you ensure that radio0 is now also radio1. */ int cx18_first_minor; /* Callback for registering extensions */ int (*cx18_ext_init)(struct cx18 *); EXPORT_SYMBOL(…); /* add your revision and whatnot here */ static const struct pci_device_id cx18_pci_tbl[] = …; MODULE_DEVICE_TABLE(pci, cx18_pci_tbl); static atomic_t cx18_instance = …; /* Parameter declarations */ static int cardtype[CX18_MAX_CARDS]; static int tuner[CX18_MAX_CARDS] = …; static int radio[CX18_MAX_CARDS] = …; static unsigned cardtype_c = …; static unsigned tuner_c = …; static unsigned radio_c = …; static char pal[] = …; static char secam[] = …; static char ntsc[] = …; /* Buffers */ static int enc_ts_buffers = …; static int enc_mpg_buffers = …; static int enc_idx_buffers = …; static int enc_yuv_buffers = …; static int enc_vbi_buffers = …; static int enc_pcm_buffers = …; static int enc_ts_bufsize = …; static int enc_mpg_bufsize = …; static int enc_idx_bufsize = …; static int enc_yuv_bufsize = …; static int enc_pcm_bufsize = …; static int enc_ts_bufs = …; static int enc_mpg_bufs = …; static int enc_idx_bufs = …; static int enc_yuv_bufs = …; static int enc_vbi_bufs = …; static int enc_pcm_bufs = …; static int cx18_pci_latency = …; static int mmio_ndelay; static int retry_mmio = …; int cx18_debug; module_param_array(…); module_param_array(…); module_param_array(…); module_param_string(…); module_param_string(…); module_param_string(…); module_param_named(debug, cx18_debug, int, 0644); module_param(mmio_ndelay, int, 0644); module_param(retry_mmio, int, 0644); module_param(cx18_pci_latency, int, 0644); module_param(cx18_first_minor, int, 0644); module_param(enc_ts_buffers, int, 0644); module_param(enc_mpg_buffers, int, 0644); module_param(enc_idx_buffers, int, 0644); module_param(enc_yuv_buffers, int, 0644); module_param(enc_vbi_buffers, int, 0644); module_param(enc_pcm_buffers, int, 0644); module_param(enc_ts_bufsize, int, 0644); module_param(enc_mpg_bufsize, int, 0644); module_param(enc_idx_bufsize, int, 0644); module_param(enc_yuv_bufsize, int, 0644); module_param(enc_pcm_bufsize, int, 0644); module_param(enc_ts_bufs, int, 0644); module_param(enc_mpg_bufs, int, 0644); module_param(enc_idx_bufs, int, 0644); module_param(enc_yuv_bufs, int, 0644); module_param(enc_vbi_bufs, int, 0644); module_param(enc_pcm_bufs, int, 0644); MODULE_PARM_DESC(…) …; MODULE_PARM_DESC(…) …; MODULE_PARM_DESC(…) …; MODULE_PARM_DESC(…) …; MODULE_PARM_DESC(…) …; MODULE_PARM_DESC(…) …; MODULE_PARM_DESC(…) …; MODULE_PARM_DESC(…) …; MODULE_PARM_DESC(…) …; MODULE_PARM_DESC(…) …; MODULE_PARM_DESC(…) …; MODULE_PARM_DESC(…) …; MODULE_PARM_DESC(…) …; MODULE_PARM_DESC(…) …; MODULE_PARM_DESC(…) …; MODULE_PARM_DESC(…) …; MODULE_PARM_DESC(…) …; MODULE_PARM_DESC(…) …; MODULE_PARM_DESC(…) …; MODULE_PARM_DESC(…) …; MODULE_PARM_DESC(…) …; MODULE_PARM_DESC(…) …; MODULE_PARM_DESC(…) …; MODULE_PARM_DESC(…) …; MODULE_PARM_DESC(…) …; MODULE_PARM_DESC(…) …; MODULE_PARM_DESC(…) …; MODULE_PARM_DESC(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …; MODULE_VERSION(…); #if defined(CONFIG_MODULES) && defined(MODULE) static void request_module_async(struct work_struct *work) { struct cx18 *dev = container_of(work, struct cx18, request_module_wk); /* Make sure cx18-alsa module is loaded */ request_module("cx18-alsa"); /* Initialize cx18-alsa for this instance of the cx18 device */ if (cx18_ext_init) cx18_ext_init(dev); } static void request_modules(struct cx18 *dev) { INIT_WORK(&dev->request_module_wk, request_module_async); schedule_work(&dev->request_module_wk); } static void flush_request_modules(struct cx18 *dev) { flush_work(&dev->request_module_wk); } #else #define request_modules(dev) … #define flush_request_modules(dev) … #endif /* CONFIG_MODULES */ /* Generic utility functions */ int cx18_msleep_timeout(unsigned int msecs, int intr) { … } /* Release ioremapped memory */ static void cx18_iounmap(struct cx18 *cx) { … } static void cx18_eeprom_dump(struct cx18 *cx, unsigned char *eedata, int len) { … } /* Hauppauge card? get values from tveeprom */ void cx18_read_eeprom(struct cx18 *cx, struct tveeprom *tv) { … } static void cx18_process_eeprom(struct cx18 *cx) { … } static v4l2_std_id cx18_parse_std(struct cx18 *cx) { … } static void cx18_process_options(struct cx18 *cx) { … } static int cx18_create_in_workq(struct cx18 *cx) { … } static void cx18_init_in_work_orders(struct cx18 *cx) { … } /* Precondition: the cx18 structure has been memset to 0. Only the dev and instance fields have been filled in. No assumptions on the card type may be made here (see cx18_init_struct2 for that). */ static int cx18_init_struct1(struct cx18 *cx) { … } /* Second initialization part. Here the card type has been autodetected. */ static void cx18_init_struct2(struct cx18 *cx) { … } static int cx18_setup_pci(struct cx18 *cx, struct pci_dev *pci_dev, const struct pci_device_id *pci_id) { … } static void cx18_init_subdevs(struct cx18 *cx) { … } static int cx18_probe(struct pci_dev *pci_dev, const struct pci_device_id *pci_id) { … } int cx18_init_on_first_open(struct cx18 *cx) { … } static void cx18_cancel_in_work_orders(struct cx18 *cx) { … } static void cx18_cancel_out_work_orders(struct cx18 *cx) { … } static void cx18_remove(struct pci_dev *pci_dev) { … } /* define a pci_driver for card detection */ static struct pci_driver cx18_pci_driver = …; static int __init module_start(void) { … } static void __exit module_cleanup(void) { … } module_init(…) …; module_exit(module_cleanup); MODULE_FIRMWARE(…);
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