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/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _INCLUDE_SHANNON_H #define _INCLUDE_SHANNON_H /* taken from comp.os.inferno Tue, 12 Sep 2000 09:21:50 GMT, * written by <forsyth@vitanuova.com> */ #define SHANNON_GPIO_SPI_FLASH GPIO_GPIO (0) /* Output - Driven low, enables SPI to flash */ #define SHANNON_GPIO_SPI_DSP GPIO_GPIO (1) /* Output - Driven low, enables SPI to DSP */ /* lcd lower = GPIO 2-9 */ #define SHANNON_GPIO_SPI_OUTPUT GPIO_GPIO (10) /* Output - SPI output to DSP */ #define SHANNON_GPIO_SPI_INPUT GPIO_GPIO (11) /* Input - SPI input from DSP */ #define SHANNON_GPIO_SPI_CLOCK GPIO_GPIO (12) /* Output - Clock for SPI */ #define SHANNON_GPIO_SPI_FRAME GPIO_GPIO (13) /* Output - Frame marker - not used */ #define SHANNON_GPIO_SPI_RTS GPIO_GPIO (14) /* Input - SPI Ready to Send */ #define SHANNON_IRQ_GPIO_SPI_RTS IRQ_GPIO14 #define SHANNON_GPIO_SPI_CTS GPIO_GPIO (15) /* Output - SPI Clear to Send */ #define SHANNON_GPIO_IRQ_CODEC GPIO_GPIO (16) /* in, irq from ucb1200 */ #define SHANNON_IRQ_GPIO_IRQ_CODEC IRQ_GPIO16 #define SHANNON_GPIO_DSP_RESET GPIO_GPIO (17) /* Output - Drive low to reset the DSP */ #define SHANNON_GPIO_CODEC_RESET GPIO_GPIO (18) /* Output - Drive low to reset the UCB1x00 */ #define SHANNON_GPIO_U3_RTS GPIO_GPIO (19) /* ?? */ #define SHANNON_GPIO_U3_CTS GPIO_GPIO (20) /* ?? */ #define SHANNON_GPIO_SENSE_12V GPIO_GPIO (21) /* Input, 12v flash unprotect detected */ #define SHANNON_GPIO_DISP_EN 22 /* out */ /* XXX GPIO 23 unaccounted for */ #define SHANNON_GPIO_EJECT_0 24 /* in */ #define SHANNON_GPIO_EJECT_1 25 /* in */ #define SHANNON_GPIO_RDY_0 26 /* in */ #define SHANNON_GPIO_RDY_1 27 /* in */ /* MCP UCB codec GPIO pins... */ #define SHANNON_UCB_GPIO_BACKLIGHT 9 #define SHANNON_UCB_GPIO_BRIGHT_MASK 7 #define SHANNON_UCB_GPIO_BRIGHT 6 #define SHANNON_UCB_GPIO_CONTRAST_MASK 0x3f #define SHANNON_UCB_GPIO_CONTRAST 0 #endif