18c2ecf20Sopenharmony_ci# SPDX-License-Identifier: GPL-2.0-only 28c2ecf20Sopenharmony_ciconfig VIDEO_IVTV 38c2ecf20Sopenharmony_ci tristate "Conexant cx23416/cx23415 MPEG encoder/decoder support" 48c2ecf20Sopenharmony_ci depends on VIDEO_V4L2 && PCI && I2C 58c2ecf20Sopenharmony_ci select I2C_ALGOBIT 68c2ecf20Sopenharmony_ci depends on RC_CORE 78c2ecf20Sopenharmony_ci select VIDEO_TUNER 88c2ecf20Sopenharmony_ci select VIDEO_TVEEPROM 98c2ecf20Sopenharmony_ci select VIDEO_CX2341X 108c2ecf20Sopenharmony_ci select VIDEO_CX25840 118c2ecf20Sopenharmony_ci select VIDEO_MSP3400 128c2ecf20Sopenharmony_ci select VIDEO_SAA711X 138c2ecf20Sopenharmony_ci select VIDEO_SAA717X 148c2ecf20Sopenharmony_ci select VIDEO_SAA7127 158c2ecf20Sopenharmony_ci select VIDEO_CS53L32A 168c2ecf20Sopenharmony_ci select VIDEO_M52790 178c2ecf20Sopenharmony_ci select VIDEO_WM8775 188c2ecf20Sopenharmony_ci select VIDEO_WM8739 198c2ecf20Sopenharmony_ci select VIDEO_VP27SMPX 208c2ecf20Sopenharmony_ci select VIDEO_UPD64031A 218c2ecf20Sopenharmony_ci select VIDEO_UPD64083 228c2ecf20Sopenharmony_ci help 238c2ecf20Sopenharmony_ci This is a video4linux driver for Conexant cx23416 or cx23415 based 248c2ecf20Sopenharmony_ci PCI personal video recorder devices. 258c2ecf20Sopenharmony_ci 268c2ecf20Sopenharmony_ci This is used in devices such as the Hauppauge PVR-150/250/350/500 278c2ecf20Sopenharmony_ci cards. 288c2ecf20Sopenharmony_ci 298c2ecf20Sopenharmony_ci To compile this driver as a module, choose M here: the 308c2ecf20Sopenharmony_ci module will be called ivtv. 318c2ecf20Sopenharmony_ci 328c2ecf20Sopenharmony_ciconfig VIDEO_IVTV_DEPRECATED_IOCTLS 338c2ecf20Sopenharmony_ci bool "enable the DVB ioctls abuse on ivtv driver" 348c2ecf20Sopenharmony_ci depends on VIDEO_IVTV 358c2ecf20Sopenharmony_ci help 368c2ecf20Sopenharmony_ci Enable the usage of the a DVB set of ioctls that were abused by 378c2ecf20Sopenharmony_ci IVTV driver for a while. 388c2ecf20Sopenharmony_ci 398c2ecf20Sopenharmony_ci Those ioctls were not needed for a long time, as IVTV implements 408c2ecf20Sopenharmony_ci the proper V4L2 ioctls since kernel 3.3. 418c2ecf20Sopenharmony_ci 428c2ecf20Sopenharmony_ci If unsure, say N. 438c2ecf20Sopenharmony_ci 448c2ecf20Sopenharmony_ciconfig VIDEO_IVTV_ALSA 458c2ecf20Sopenharmony_ci tristate "Conexant cx23415/cx23416 ALSA interface for PCM audio capture" 468c2ecf20Sopenharmony_ci depends on VIDEO_IVTV && SND 478c2ecf20Sopenharmony_ci select SND_PCM 488c2ecf20Sopenharmony_ci help 498c2ecf20Sopenharmony_ci This driver provides an ALSA interface as another method for user 508c2ecf20Sopenharmony_ci applications to obtain PCM audio data from Conexant cx23415/cx23416 518c2ecf20Sopenharmony_ci based PCI TV cards supported by the ivtv driver. 528c2ecf20Sopenharmony_ci 538c2ecf20Sopenharmony_ci The ALSA interface has much wider use in user applications performing 548c2ecf20Sopenharmony_ci PCM audio capture, than the V4L2 "/dev/video24" PCM audio interface 558c2ecf20Sopenharmony_ci provided by the main ivtv driver. 568c2ecf20Sopenharmony_ci 578c2ecf20Sopenharmony_ci To compile this driver as a module, choose M here: the 588c2ecf20Sopenharmony_ci module will be called ivtv-alsa. 598c2ecf20Sopenharmony_ci 608c2ecf20Sopenharmony_ciconfig VIDEO_FB_IVTV 618c2ecf20Sopenharmony_ci tristate "Conexant cx23415 framebuffer support" 628c2ecf20Sopenharmony_ci depends on VIDEO_IVTV && FB 638c2ecf20Sopenharmony_ci select FB_CFB_FILLRECT 648c2ecf20Sopenharmony_ci select FB_CFB_COPYAREA 658c2ecf20Sopenharmony_ci select FB_CFB_IMAGEBLIT 668c2ecf20Sopenharmony_ci help 678c2ecf20Sopenharmony_ci This is a framebuffer driver for the Conexant cx23415 MPEG 688c2ecf20Sopenharmony_ci encoder/decoder. 698c2ecf20Sopenharmony_ci 708c2ecf20Sopenharmony_ci This is used in the Hauppauge PVR-350 card. 718c2ecf20Sopenharmony_ci 728c2ecf20Sopenharmony_ci To compile this driver as a module, choose M here: the 738c2ecf20Sopenharmony_ci module will be called ivtvfb. 748c2ecf20Sopenharmony_ci 758c2ecf20Sopenharmony_ciconfig VIDEO_FB_IVTV_FORCE_PAT 768c2ecf20Sopenharmony_ci bool "force cx23415 framebuffer init with x86 PAT enabled" 778c2ecf20Sopenharmony_ci depends on VIDEO_FB_IVTV && X86_PAT 788c2ecf20Sopenharmony_ci help 798c2ecf20Sopenharmony_ci With PAT enabled, the cx23415 framebuffer driver does not 808c2ecf20Sopenharmony_ci utilize write-combined caching on the framebuffer memory. 818c2ecf20Sopenharmony_ci For this reason, the driver will by default disable itself 828c2ecf20Sopenharmony_ci when initializied on a kernel with PAT enabled (i.e. not 838c2ecf20Sopenharmony_ci using the nopat kernel parameter). 848c2ecf20Sopenharmony_ci 858c2ecf20Sopenharmony_ci The driver is not easily upgradable to the PAT-aware 868c2ecf20Sopenharmony_ci ioremap_wc() API since the firmware hides the address 878c2ecf20Sopenharmony_ci ranges that should be marked write-combined from the driver. 888c2ecf20Sopenharmony_ci 898c2ecf20Sopenharmony_ci With this setting enabled, the framebuffer will initialize on 908c2ecf20Sopenharmony_ci PAT-enabled systems but the framebuffer memory will be uncached. 918c2ecf20Sopenharmony_ci 928c2ecf20Sopenharmony_ci If unsure, say N. 93