18c2ecf20Sopenharmony_ci# SPDX-License-Identifier: GPL-2.0-only 28c2ecf20Sopenharmony_ciconfig SND_EP93XX_SOC 38c2ecf20Sopenharmony_ci tristate "SoC Audio support for the Cirrus Logic EP93xx series" 48c2ecf20Sopenharmony_ci depends on ARCH_EP93XX || COMPILE_TEST 58c2ecf20Sopenharmony_ci select SND_SOC_GENERIC_DMAENGINE_PCM 68c2ecf20Sopenharmony_ci help 78c2ecf20Sopenharmony_ci Say Y or M if you want to add support for codecs attached to 88c2ecf20Sopenharmony_ci the EP93xx I2S or AC97 interfaces. 98c2ecf20Sopenharmony_ci 108c2ecf20Sopenharmony_ciconfig SND_EP93XX_SOC_I2S 118c2ecf20Sopenharmony_ci tristate 128c2ecf20Sopenharmony_ci 138c2ecf20Sopenharmony_ciif SND_EP93XX_SOC_I2S 148c2ecf20Sopenharmony_ci 158c2ecf20Sopenharmony_ciconfig SND_EP93XX_SOC_I2S_WATCHDOG 168c2ecf20Sopenharmony_ci bool "IRQ based underflow watchdog workaround" 178c2ecf20Sopenharmony_ci default y 188c2ecf20Sopenharmony_ci help 198c2ecf20Sopenharmony_ci I2S controller on EP93xx seems to have undocumented HW issue. 208c2ecf20Sopenharmony_ci Underflow of internal I2S controller FIFO could confuse the 218c2ecf20Sopenharmony_ci state machine and the whole stream can be shifted by one byte 228c2ecf20Sopenharmony_ci until I2S is disabled. This option enables IRQ based watchdog 238c2ecf20Sopenharmony_ci which disables and re-enables I2S in case of underflow and 248c2ecf20Sopenharmony_ci fills FIFO with zeroes. 258c2ecf20Sopenharmony_ci 268c2ecf20Sopenharmony_ci If you are unsure how to answer this question, answer Y. 278c2ecf20Sopenharmony_ci 288c2ecf20Sopenharmony_ciendif # if SND_EP93XX_SOC_I2S 298c2ecf20Sopenharmony_ci 308c2ecf20Sopenharmony_ciconfig SND_EP93XX_SOC_AC97 318c2ecf20Sopenharmony_ci tristate 328c2ecf20Sopenharmony_ci select AC97_BUS 338c2ecf20Sopenharmony_ci select SND_SOC_AC97_BUS 348c2ecf20Sopenharmony_ci 358c2ecf20Sopenharmony_ciconfig SND_EP93XX_SOC_SNAPPERCL15 368c2ecf20Sopenharmony_ci tristate "SoC Audio support for Bluewater Systems Snapper CL15 module" 378c2ecf20Sopenharmony_ci depends on SND_EP93XX_SOC && MACH_SNAPPER_CL15 && I2C 388c2ecf20Sopenharmony_ci select SND_EP93XX_SOC_I2S 398c2ecf20Sopenharmony_ci select SND_SOC_TLV320AIC23_I2C 408c2ecf20Sopenharmony_ci help 418c2ecf20Sopenharmony_ci Say Y or M here if you want to add support for I2S audio on the 428c2ecf20Sopenharmony_ci Bluewater Systems Snapper CL15 module. 438c2ecf20Sopenharmony_ci 448c2ecf20Sopenharmony_ciconfig SND_EP93XX_SOC_SIMONE 458c2ecf20Sopenharmony_ci tristate "SoC Audio support for Simplemachines Sim.One board" 468c2ecf20Sopenharmony_ci depends on SND_EP93XX_SOC && MACH_SIM_ONE 478c2ecf20Sopenharmony_ci select SND_EP93XX_SOC_AC97 488c2ecf20Sopenharmony_ci select SND_SOC_AC97_CODEC 498c2ecf20Sopenharmony_ci help 508c2ecf20Sopenharmony_ci Say Y or M here if you want to add support for AC97 audio on the 518c2ecf20Sopenharmony_ci Simplemachines Sim.One board. 528c2ecf20Sopenharmony_ci 538c2ecf20Sopenharmony_ciconfig SND_EP93XX_SOC_EDB93XX 548c2ecf20Sopenharmony_ci tristate "SoC Audio support for Cirrus Logic EDB93xx boards" 558c2ecf20Sopenharmony_ci depends on SND_EP93XX_SOC && (MACH_EDB9301 || MACH_EDB9302 || MACH_EDB9302A || MACH_EDB9307A || MACH_EDB9315A) 568c2ecf20Sopenharmony_ci select SND_EP93XX_SOC_I2S 578c2ecf20Sopenharmony_ci select SND_SOC_CS4271_I2C if I2C 588c2ecf20Sopenharmony_ci select SND_SOC_CS4271_SPI if SPI_MASTER 598c2ecf20Sopenharmony_ci help 608c2ecf20Sopenharmony_ci Say Y or M here if you want to add support for I2S audio on the 618c2ecf20Sopenharmony_ci Cirrus Logic EDB93xx boards. 62