1*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0-only 2*4882a593Smuzhiyunconfig SND_EP93XX_SOC 3*4882a593Smuzhiyun tristate "SoC Audio support for the Cirrus Logic EP93xx series" 4*4882a593Smuzhiyun depends on ARCH_EP93XX || COMPILE_TEST 5*4882a593Smuzhiyun select SND_SOC_GENERIC_DMAENGINE_PCM 6*4882a593Smuzhiyun help 7*4882a593Smuzhiyun Say Y or M if you want to add support for codecs attached to 8*4882a593Smuzhiyun the EP93xx I2S or AC97 interfaces. 9*4882a593Smuzhiyun 10*4882a593Smuzhiyunconfig SND_EP93XX_SOC_I2S 11*4882a593Smuzhiyun tristate 12*4882a593Smuzhiyun 13*4882a593Smuzhiyunif SND_EP93XX_SOC_I2S 14*4882a593Smuzhiyun 15*4882a593Smuzhiyunconfig SND_EP93XX_SOC_I2S_WATCHDOG 16*4882a593Smuzhiyun bool "IRQ based underflow watchdog workaround" 17*4882a593Smuzhiyun default y 18*4882a593Smuzhiyun help 19*4882a593Smuzhiyun I2S controller on EP93xx seems to have undocumented HW issue. 20*4882a593Smuzhiyun Underflow of internal I2S controller FIFO could confuse the 21*4882a593Smuzhiyun state machine and the whole stream can be shifted by one byte 22*4882a593Smuzhiyun until I2S is disabled. This option enables IRQ based watchdog 23*4882a593Smuzhiyun which disables and re-enables I2S in case of underflow and 24*4882a593Smuzhiyun fills FIFO with zeroes. 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun If you are unsure how to answer this question, answer Y. 27*4882a593Smuzhiyun 28*4882a593Smuzhiyunendif # if SND_EP93XX_SOC_I2S 29*4882a593Smuzhiyun 30*4882a593Smuzhiyunconfig SND_EP93XX_SOC_AC97 31*4882a593Smuzhiyun tristate 32*4882a593Smuzhiyun select AC97_BUS 33*4882a593Smuzhiyun select SND_SOC_AC97_BUS 34*4882a593Smuzhiyun 35*4882a593Smuzhiyunconfig SND_EP93XX_SOC_SNAPPERCL15 36*4882a593Smuzhiyun tristate "SoC Audio support for Bluewater Systems Snapper CL15 module" 37*4882a593Smuzhiyun depends on SND_EP93XX_SOC && MACH_SNAPPER_CL15 && I2C 38*4882a593Smuzhiyun select SND_EP93XX_SOC_I2S 39*4882a593Smuzhiyun select SND_SOC_TLV320AIC23_I2C 40*4882a593Smuzhiyun help 41*4882a593Smuzhiyun Say Y or M here if you want to add support for I2S audio on the 42*4882a593Smuzhiyun Bluewater Systems Snapper CL15 module. 43*4882a593Smuzhiyun 44*4882a593Smuzhiyunconfig SND_EP93XX_SOC_SIMONE 45*4882a593Smuzhiyun tristate "SoC Audio support for Simplemachines Sim.One board" 46*4882a593Smuzhiyun depends on SND_EP93XX_SOC && MACH_SIM_ONE 47*4882a593Smuzhiyun select SND_EP93XX_SOC_AC97 48*4882a593Smuzhiyun select SND_SOC_AC97_CODEC 49*4882a593Smuzhiyun help 50*4882a593Smuzhiyun Say Y or M here if you want to add support for AC97 audio on the 51*4882a593Smuzhiyun Simplemachines Sim.One board. 52*4882a593Smuzhiyun 53*4882a593Smuzhiyunconfig SND_EP93XX_SOC_EDB93XX 54*4882a593Smuzhiyun tristate "SoC Audio support for Cirrus Logic EDB93xx boards" 55*4882a593Smuzhiyun depends on SND_EP93XX_SOC && (MACH_EDB9301 || MACH_EDB9302 || MACH_EDB9302A || MACH_EDB9307A || MACH_EDB9315A) 56*4882a593Smuzhiyun select SND_EP93XX_SOC_I2S 57*4882a593Smuzhiyun select SND_SOC_CS4271_I2C if I2C 58*4882a593Smuzhiyun select SND_SOC_CS4271_SPI if SPI_MASTER 59*4882a593Smuzhiyun help 60*4882a593Smuzhiyun Say Y or M here if you want to add support for I2S audio on the 61*4882a593Smuzhiyun Cirrus Logic EDB93xx boards. 62