| /* | 
 |  * Copyright (c) 2012, 2016 The Linux Foundation. All rights reserved. | 
 |  * | 
 |  * This program is free software; you can redistribute it and/or modify | 
 |  * it under the terms of the GNU General Public License version 2 and | 
 |  * only version 2 as published by the Free Software Foundation. | 
 |  * | 
 |  * This program is distributed in the hope that it will be useful, | 
 |  * but WITHOUT ANY WARRANTY; without even the implied warranty of | 
 |  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
 |  * GNU General Public License for more details. | 
 |  */ | 
 |  | 
 | #ifndef _IPQ_SPI_H_ | 
 | #define _IPQ_SPI_H_ | 
 |  | 
 | #define QUP5_BASE	0x1a280000 | 
 | #define QUP6_BASE	0x16580000 | 
 | #define QUP7_BASE	0x16680000 | 
 |  | 
 | #define GSBI5_BASE	0x1a200000 | 
 | #define GSBI6_BASE	0x16500000 | 
 | #define GSBI7_BASE	0x16600000 | 
 |  | 
 | #define GSBI5_QUP5_REG_BASE		(QUP5_BASE + 0x00000000) | 
 | #define GSBI6_QUP6_REG_BASE		(QUP6_BASE + 0x00000000) | 
 | #define GSBI7_QUP7_REG_BASE		(QUP7_BASE + 0x00000000) | 
 |  | 
 | #define GSBI5_REG_BASE			(GSBI5_BASE + 0x00000000) | 
 | #define GSBI6_REG_BASE			(GSBI6_BASE + 0x00000000) | 
 | #define GSBI7_REG_BASE			(GSBI7_BASE + 0x00000000) | 
 |  | 
 | #define BOOT_SPI_PORT5_BASE		QUP5_BASE | 
 | #define BOOT_SPI_PORT6_BASE		QUP6_BASE | 
 | #define BOOT_SPI_PORT7_BASE		QUP7_BASE | 
 |  | 
 | #define GSBI5_SPI_CONFIG_REG		(GSBI5_QUP5_REG_BASE + 0x00000300) | 
 | #define GSBI6_SPI_CONFIG_REG		(GSBI6_QUP6_REG_BASE + 0x00000300) | 
 | #define GSBI7_SPI_CONFIG_REG		(GSBI7_QUP7_REG_BASE + 0x00000300) | 
 |  | 
 | #define GSBI5_SPI_IO_CONTROL_REG	(GSBI5_QUP5_REG_BASE + 0x00000304) | 
 | #define GSBI6_SPI_IO_CONTROL_REG	(GSBI6_QUP6_REG_BASE + 0x00000304) | 
 | #define GSBI7_SPI_IO_CONTROL_REG	(GSBI7_QUP7_REG_BASE + 0x00000304) | 
 |  | 
 | #define GSBI5_SPI_ERROR_FLAGS_REG	(GSBI5_QUP5_REG_BASE + 0x00000308) | 
 | #define GSBI6_SPI_ERROR_FLAGS_REG	(GSBI6_QUP6_REG_BASE + 0x00000308) | 
 | #define GSBI7_SPI_ERROR_FLAGS_REG	(GSBI7_QUP7_REG_BASE + 0x00000308) | 
 |  | 
 | #define GSBI5_SPI_ERROR_FLAGS_EN_REG	(GSBI5_QUP5_REG_BASE + 0x0000030c) | 
 | #define GSBI6_SPI_ERROR_FLAGS_EN_REG	(GSBI6_QUP6_REG_BASE + 0x0000030c) | 
 | #define GSBI7_SPI_ERROR_FLAGS_EN_REG	(GSBI7_QUP7_REG_BASE + 0x0000030c) | 
 |  | 
 | #define GSBI5_GSBI_CTRL_REG_REG		(GSBI5_REG_BASE + 0x00000000) | 
 | #define GSBI6_GSBI_CTRL_REG_REG		(GSBI6_REG_BASE + 0x00000000) | 
 | #define GSBI7_GSBI_CTRL_REG_REG		(GSBI7_REG_BASE + 0x00000000) | 
 |  | 
 | #define GSBI5_QUP_CONFIG_REG		(GSBI5_QUP5_REG_BASE + 0x00000000) | 
 | #define GSBI6_QUP_CONFIG_REG		(GSBI6_QUP6_REG_BASE + 0x00000000) | 
 | #define GSBI7_QUP_CONFIG_REG		(GSBI7_QUP7_REG_BASE + 0x00000000) | 
 |  | 
 | #define GSBI5_QUP_ERROR_FLAGS_REG	(GSBI5_QUP5_REG_BASE      + 0x0000001c) | 
 | #define GSBI6_QUP_ERROR_FLAGS_REG	(GSBI6_QUP6_REG_BASE      + 0x0000001c) | 
 | #define GSBI7_QUP_ERROR_FLAGS_REG	(GSBI7_QUP7_REG_BASE      + 0x0000001c) | 
 |  | 
 | #define GSBI5_QUP_ERROR_FLAGS_EN_REG	(GSBI5_QUP5_REG_BASE + 0x00000020) | 
 | #define GSBI6_QUP_ERROR_FLAGS_EN_REG	(GSBI6_QUP6_REG_BASE + 0x00000020) | 
 | #define GSBI7_QUP_ERROR_FLAGS_EN_REG	(GSBI7_QUP7_REG_BASE + 0x00000020) | 
 |  | 
 | #define GSBI5_QUP_OPERATIONAL_REG	(GSBI5_QUP5_REG_BASE + 0x00000018) | 
 | #define GSBI6_QUP_OPERATIONAL_REG	(GSBI6_QUP6_REG_BASE + 0x00000018) | 
 | #define GSBI7_QUP_OPERATIONAL_REG	(GSBI7_QUP7_REG_BASE + 0x00000018) | 
 |  | 
 | #define GSBI5_QUP_IO_MODES_REG		(GSBI5_QUP5_REG_BASE + 0x00000008) | 
 | #define GSBI6_QUP_IO_MODES_REG		(GSBI6_QUP6_REG_BASE + 0x00000008) | 
 | #define GSBI7_QUP_IO_MODES_REG		(GSBI7_QUP7_REG_BASE + 0x00000008) | 
 |  | 
 | #define GSBI5_QUP_STATE_REG		(GSBI5_QUP5_REG_BASE + 0x00000004) | 
 | #define GSBI6_QUP_STATE_REG		(GSBI6_QUP6_REG_BASE + 0x00000004) | 
 | #define GSBI7_QUP_STATE_REG		(GSBI7_QUP7_REG_BASE + 0x00000004) | 
 |  | 
 | #define GSBI5_QUP_INPUT_FIFOc_REG(c) \ | 
 | 		(GSBI5_QUP5_REG_BASE + 0x00000218 + 4 * (c)) | 
 | #define GSBI6_QUP_INPUT_FIFOc_REG(c) \ | 
 | 		(GSBI6_QUP6_REG_BASE + 0x00000218 + 4 * (c)) | 
 | #define GSBI7_QUP_INPUT_FIFOc_REG(c) \ | 
 | 		(GSBI7_QUP7_REG_BASE + 0x00000218 + 4 * (c)) | 
 |  | 
 | #define GSBI5_QUP_OUTPUT_FIFOc_REG(c) \ | 
 | 		(GSBI5_QUP5_REG_BASE + 0x00000110 + 4 * (c)) | 
 | #define GSBI6_QUP_OUTPUT_FIFOc_REG(c) \ | 
 | 		(GSBI6_QUP6_REG_BASE + 0x00000110 + 4 * (c)) | 
 | #define GSBI7_QUP_OUTPUT_FIFOc_REG(c) \ | 
 | 		(GSBI7_QUP7_REG_BASE + 0x00000110 + 4 * (c)) | 
 |  | 
 | #define GSBI5_QUP_MX_INPUT_COUNT_REG	(GSBI5_QUP5_REG_BASE + 0x00000200) | 
 | #define GSBI6_QUP_MX_INPUT_COUNT_REG	(GSBI6_QUP6_REG_BASE + 0x00000200) | 
 | #define GSBI7_QUP_MX_INPUT_COUNT_REG	(GSBI7_QUP7_REG_BASE + 0x00000200) | 
 |  | 
 | #define GSBI5_QUP_MX_OUTPUT_COUNT_REG	(GSBI5_QUP5_REG_BASE + 0x00000100) | 
 | #define GSBI6_QUP_MX_OUTPUT_COUNT_REG	(GSBI6_QUP6_REG_BASE + 0x00000100) | 
 | #define GSBI7_QUP_MX_OUTPUT_COUNT_REG	(GSBI7_QUP7_REG_BASE + 0x00000100) | 
 |  | 
 | #define GSBI5_QUP_SW_RESET_REG		(GSBI5_QUP5_REG_BASE + 0x0000000c) | 
 | #define GSBI6_QUP_SW_RESET_REG		(GSBI6_QUP6_REG_BASE + 0x0000000c) | 
 | #define GSBI7_QUP_SW_RESET_REG		(GSBI7_QUP7_REG_BASE + 0x0000000c) | 
 |  | 
 | #define CLK_CTL_REG_BASE		0x00900000 | 
 | #define GSBIn_RESET_REG(n) \ | 
 | 		(CLK_CTL_REG_BASE      + 0x000029dc + 32 * ((n)-1)) | 
 |  | 
 | #ifndef SFAB_AHB_S3_FCLK_CTL_REG | 
 | #define SFAB_AHB_S3_FCLK_CTL_REG \ | 
 | 		(CLK_CTL_REG_BASE      + 0x0000216c) | 
 | #endif | 
 | #ifndef CFPB_CLK_NS_REG | 
 | #define CFPB_CLK_NS_REG \ | 
 | 		(CLK_CTL_REG_BASE      + 0x0000264c) | 
 | #endif | 
 | #ifndef SFAB_CFPB_S_HCLK_CTL_REG | 
 | #define SFAB_CFPB_S_HCLK_CTL_REG \ | 
 | 		(CLK_CTL_REG_BASE      + 0x000026c0) | 
 | #endif | 
 | #ifndef CFPB_SPLITTER_HCLK_CTL_REG | 
 | #define CFPB_SPLITTER_HCLK_CTL_REG \ | 
 | 		(CLK_CTL_REG_BASE      + 0x000026e0) | 
 | #endif | 
 | #ifndef CFPB0_HCLK_CTL_REG | 
 | #define CFPB0_HCLK_CTL_REG \ | 
 | 		(CLK_CTL_REG_BASE      + 0x00002650) | 
 | #endif | 
 | #define CFPB2_HCLK_CTL_REG \ | 
 | 		(CLK_CTL_REG_BASE      + 0x00002658) | 
 | #ifndef GSBIn_HCLK_CTL_REG | 
 | #define GSBIn_HCLK_CTL_REG(n) \ | 
 | 		(CLK_CTL_REG_BASE      + 0x000029c0 + 32 * ((n)-1)) | 
 | #endif | 
 | #ifndef GSBIn_QUP_APPS_NS_REG | 
 | #define GSBIn_QUP_APPS_NS_REG(n) \ | 
 | 	(CLK_CTL_REG_BASE      + 0x000029cc + 32 * ((n)-1)) | 
 | #endif | 
 | #ifndef GSBIn_QUP_APPS_MD_REG | 
 | #define GSBIn_QUP_APPS_MD_REG(n) \ | 
 | 		(CLK_CTL_REG_BASE      + 0x000029c8 + 32 * ((n)-1)) | 
 | #endif | 
 | #define CLK_HALT_CFPB_STATEB_REG \ | 
 | 		(CLK_CTL_REG_BASE      + 0x00002fd0) | 
 |  | 
 | #define GSBI5_HCLK				23 | 
 | #define GSBI6_HCLK				19 | 
 | #define GSBI7_HCLK				15 | 
 | #define GSBI5_QUP_APPS_CLK			20 | 
 | #define GSBI6_QUP_APPS_CLK			16 | 
 | #define GSBI7_QUP_APPS_CLK			12 | 
 | #define GSBI_CLK_BRANCH_ENA_MSK			(1 << 4) | 
 | #define GSBI_CLK_BRANCH_ENA			(1 << 4) | 
 | #define GSBI_CLK_BRANCH_DIS			(0 << 4) | 
 | #define QUP_CLK_BRANCH_ENA_MSK			(1 << 9) | 
 | #define QUP_CLK_BRANCH_ENA			(1 << 9) | 
 | #define QUP_CLK_BRANCH_DIS			(0 << 9) | 
 | #define CLK_ROOT_ENA_MSK			(1 << 11) | 
 | #define CLK_ROOT_ENA				(1 << 11) | 
 | #define CLK_ROOT_DIS				(0 << 11) | 
 |  | 
 | #define QUP_STATE_VALID_BIT			2 | 
 | #define QUP_STATE_VALID				1 | 
 | #define QUP_STATE_MASK				0x3 | 
 | #define QUP_CONFIG_MINI_CORE_MSK		(0x0F << 8) | 
 | #define QUP_CONFIG_MINI_CORE_SPI		(1 << 8) | 
 | #define SPI_QUP_CONF_INPUT_MSK			(1 << 7) | 
 | #define SPI_QUP_CONF_INPUT_ENA			(0 << 7) | 
 | #define SPI_QUP_CONF_OUTPUT_MSK			(1 << 6) | 
 | #define SPI_QUP_CONF_OUTPUT_ENA			(0 << 6) | 
 | #define QUP_STATE_RUN_STATE			0x1 | 
 | #define QUP_STATE_RESET_STATE			0x0 | 
 | #define SPI_BIT_WORD_MSK			0x1F | 
 | #define SPI_8_BIT_WORD				0x07 | 
 | #define PROTOCOL_CODE_MSK			(0x07 << 4) | 
 | #define PROTOCOL_CODE_SPI			(0x03 << 4) | 
 | #define LOOP_BACK_MSK				(1 << 8) | 
 | #define NO_LOOP_BACK				(0 << 8) | 
 | #define SLAVE_OPERATION_MSK			(1 << 5) | 
 | #define SLAVE_OPERATION				(0 << 5) | 
 | #define CLK_ALWAYS_ON				(0 << 9) | 
 | #define MX_CS_MODE				(0 << 8) | 
 | #define NO_TRI_STATE				(1 << 0) | 
 | #define OUTPUT_BIT_SHIFT_MSK			(1 << 16) | 
 | #define OUTPUT_BIT_SHIFT_EN			(1 << 16) | 
 | #define INPUT_BLOCK_MODE_MSK			(0x03 << 12) | 
 | #define INPUT_BLOCK_MODE			(0x01 << 12) | 
 | #define OUTPUT_BLOCK_MODE_MSK			(0x03 << 10) | 
 | #define OUTPUT_BLOCK_MODE			(0x01 << 10) | 
 | #define GSBI1_RESET				(1 << 0) | 
 | #define GSBI1_RESET_MSK				0x1 | 
 |  | 
 | #define GSBI_M_VAL_SHFT				16 | 
 | #define GSBIn_M_VAL_MSK				(0xFF << GSBI_M_VAL_SHFT) | 
 | #define GSBI_N_VAL_SHFT				16 | 
 | #define GSBIn_N_VAL_MSK				(0xFF << GSBI_N_VAL_SHFT) | 
 | #define GSBI_D_VAL_SHFT				0 | 
 | #define GSBIn_D_VAL_MSK				(0xFF << GSBI_D_VAL_SHFT) | 
 | #define MNCNTR_RST_MSK				(1 << 7) | 
 | #define MNCNTR_RST_ENA				(1 << 7) | 
 | #define MNCNTR_RST_DIS				(0 << 7) | 
 | #define MNCNTR_MSK				(1 << 8) | 
 | #define MNCNTR_EN				(1 << 8) | 
 | #define MNCNTR_DIS				(0 << 8) | 
 | #define MNCNTR_MODE_MSK				(0x3 << 5) | 
 | #define MNCNTR_MODE_BYPASS			(0 << 5) | 
 | #define MNCNTR_MODE_DUAL_EDGE			(0x2 << 5) | 
 | #define GSBI_PRE_DIV_SEL_SHFT			3 | 
 | #define GSBIn_PRE_DIV_SEL_MSK			(0x3 << GSBI_PRE_DIV_SEL_SHFT) | 
 | #define GSBIn_PLL_SRC_MSK			(0x03 << 0) | 
 | #define GSBIn_PLL_SRC_PXO			(0 << 0) | 
 | #define GSBIn_PLL_SRC_PLL8			(0x3 << 0) | 
 |  | 
 | #define SPI_INPUT_FIRST_MODE			(1 << 9) | 
 | #define SPI_IO_CONTROL_CLOCK_IDLE_HIGH		(1 << 10) | 
 | #define QUP_DATA_AVAILABLE_FOR_READ		(1 << 5) | 
 | #define QUP_OUTPUT_FIFO_NOT_EMPTY		(1 << 4) | 
 | #define OUTPUT_SERVICE_FLAG			(1 << 8) | 
 | #define INPUT_SERVICE_FLAG			(1 << 9) | 
 | #define QUP_OUTPUT_FIFO_FULL			(1 << 6) | 
 | #define SPI_INPUT_BLOCK_SIZE			4 | 
 | #define SPI_OUTPUT_BLOCK_SIZE			4 | 
 | #define MSM_GSBI_MAX_FREQ			51200000 | 
 |  | 
 | #define SPI_RESET_STATE				0 | 
 | #define SPI_RUN_STATE				1 | 
 | #define SPI_CORE_RESET				0 | 
 | #define SPI_CORE_RUNNING			1 | 
 | #define GSBI_SPI_MODE_0				0 | 
 | #define GSBI_SPI_MODE_1				1 | 
 | #define GSBI_SPI_MODE_2				2 | 
 | #define GSBI_SPI_MODE_3				3 | 
 | #define GSBI5_SPI				0 | 
 | #define GSBI6_SPI				1 | 
 | #define GSBI7_SPI				2 | 
 |  | 
 | struct gsbi_spi { | 
 | 	unsigned int     spi_config; | 
 | 	unsigned int     io_control; | 
 | 	unsigned int     error_flags; | 
 | 	unsigned int     error_flags_en; | 
 | 	unsigned int     gsbi_ctrl; | 
 | 	unsigned int     qup_config; | 
 | 	unsigned int     qup_error_flags; | 
 | 	unsigned int     qup_error_flags_en; | 
 | 	unsigned int     qup_operational; | 
 | 	unsigned int     qup_io_modes; | 
 | 	unsigned int     qup_state; | 
 | 	unsigned int     qup_input_fifo; | 
 | 	unsigned int     qup_output_fifo; | 
 | 	unsigned int     qup_mx_input_count; | 
 | 	unsigned int     qup_mx_output_count; | 
 | 	unsigned int     qup_sw_reset; | 
 | 	unsigned int     qup_ns_reg; | 
 | 	unsigned int     qup_md_reg; | 
 | }; | 
 |  | 
 | static const struct gsbi_spi spi_reg[] = { | 
 | 	/* GSBI5 registers for SPI interface */ | 
 | 	{ | 
 | 		GSBI5_SPI_CONFIG_REG, | 
 | 		GSBI5_SPI_IO_CONTROL_REG, | 
 | 		GSBI5_SPI_ERROR_FLAGS_REG, | 
 | 		GSBI5_SPI_ERROR_FLAGS_EN_REG, | 
 | 		GSBI5_GSBI_CTRL_REG_REG, | 
 | 		GSBI5_QUP_CONFIG_REG, | 
 | 		GSBI5_QUP_ERROR_FLAGS_REG, | 
 | 		GSBI5_QUP_ERROR_FLAGS_EN_REG, | 
 | 		GSBI5_QUP_OPERATIONAL_REG, | 
 | 		GSBI5_QUP_IO_MODES_REG, | 
 | 		GSBI5_QUP_STATE_REG, | 
 | 		GSBI5_QUP_INPUT_FIFOc_REG(0), | 
 | 		GSBI5_QUP_OUTPUT_FIFOc_REG(0), | 
 | 		GSBI5_QUP_MX_INPUT_COUNT_REG, | 
 | 		GSBI5_QUP_MX_OUTPUT_COUNT_REG, | 
 | 		GSBI5_QUP_SW_RESET_REG, | 
 | 		GSBIn_QUP_APPS_NS_REG(5), | 
 | 		GSBIn_QUP_APPS_MD_REG(5) | 
 | 	}, | 
 | 	/* GSBI6 registers for SPI interface */ | 
 | 	{ | 
 | 		GSBI6_SPI_CONFIG_REG, | 
 | 		GSBI6_SPI_IO_CONTROL_REG, | 
 | 		GSBI6_SPI_ERROR_FLAGS_REG, | 
 | 		GSBI6_SPI_ERROR_FLAGS_EN_REG, | 
 | 		GSBI6_GSBI_CTRL_REG_REG, | 
 | 		GSBI6_QUP_CONFIG_REG, | 
 | 		GSBI6_QUP_ERROR_FLAGS_REG, | 
 | 		GSBI6_QUP_ERROR_FLAGS_EN_REG, | 
 | 		GSBI6_QUP_OPERATIONAL_REG, | 
 | 		GSBI6_QUP_IO_MODES_REG, | 
 | 		GSBI6_QUP_STATE_REG, | 
 | 		GSBI6_QUP_INPUT_FIFOc_REG(0), | 
 | 		GSBI6_QUP_OUTPUT_FIFOc_REG(0), | 
 | 		GSBI6_QUP_MX_INPUT_COUNT_REG, | 
 | 		GSBI6_QUP_MX_OUTPUT_COUNT_REG, | 
 | 		GSBI6_QUP_SW_RESET_REG, | 
 | 		GSBIn_QUP_APPS_NS_REG(6), | 
 | 		GSBIn_QUP_APPS_MD_REG(6) | 
 | 	}, | 
 | 	/* GSBI7 registers for SPI interface */ | 
 | 	{ | 
 | 		GSBI7_SPI_CONFIG_REG, | 
 | 		GSBI7_SPI_IO_CONTROL_REG, | 
 | 		GSBI7_SPI_ERROR_FLAGS_REG, | 
 | 		GSBI7_SPI_ERROR_FLAGS_EN_REG, | 
 | 		GSBI7_GSBI_CTRL_REG_REG, | 
 | 		GSBI7_QUP_CONFIG_REG, | 
 | 		GSBI7_QUP_ERROR_FLAGS_REG, | 
 | 		GSBI7_QUP_ERROR_FLAGS_EN_REG, | 
 | 		GSBI7_QUP_OPERATIONAL_REG, | 
 | 		GSBI7_QUP_IO_MODES_REG, | 
 | 		GSBI7_QUP_STATE_REG, | 
 | 		GSBI7_QUP_INPUT_FIFOc_REG(0), | 
 | 		GSBI7_QUP_OUTPUT_FIFOc_REG(0), | 
 | 		GSBI7_QUP_MX_INPUT_COUNT_REG, | 
 | 		GSBI7_QUP_MX_OUTPUT_COUNT_REG, | 
 | 		GSBI7_QUP_SW_RESET_REG, | 
 | 		GSBIn_QUP_APPS_NS_REG(7), | 
 | 		GSBIn_QUP_APPS_MD_REG(7) | 
 | 	} | 
 | }; | 
 |  | 
 | struct ipq_spi_slave { | 
 | 	struct spi_slave slave; | 
 | 	const struct gsbi_spi *regs; | 
 | 	unsigned int core_state; | 
 | 	unsigned int mode; | 
 | 	unsigned int initialized; | 
 | 	unsigned long freq; | 
 | }; | 
 |  | 
 | static inline struct ipq_spi_slave *to_ipq_spi(struct spi_slave *slave) | 
 | { | 
 | 	return container_of(slave, struct ipq_spi_slave, slave); | 
 | } | 
 | int gsbi_pin_config(unsigned int port_num, int cs_num); | 
 | #endif /* _IPQ_SPI_H_ */ |