diff options
Diffstat (limited to 'src/soc/qualcomm/ipq806x/include/spi.h')
| -rw-r--r-- | src/soc/qualcomm/ipq806x/include/spi.h | 90 |
1 files changed, 20 insertions, 70 deletions
diff --git a/src/soc/qualcomm/ipq806x/include/spi.h b/src/soc/qualcomm/ipq806x/include/spi.h index 2020043c6c..48073fadd0 100644 --- a/src/soc/qualcomm/ipq806x/include/spi.h +++ b/src/soc/qualcomm/ipq806x/include/spi.h @@ -3,8 +3,10 @@ * Copyright (c) 2012 The Linux Foundation. All rights reserved. */ -#ifndef _IPQ_SPI_H_ -#define _IPQ_SPI_H_ +#ifndef _IPQ806X_SPI_H_ +#define _IPQ806X_SPI_H_ + +#include <spi_flash.h> #define QUP5_BASE 0x1a280000 #define QUP6_BASE 0x16580000 @@ -70,6 +72,14 @@ #define GSBI6_QUP_STATE_REG (GSBI6_QUP6_REG_BASE + 0x00000004) #define GSBI7_QUP_STATE_REG (GSBI7_QUP7_REG_BASE + 0x00000004) +#define GSBI5_QUP_OUT_FIFO_WORD_CNT_REG (GSBI5_QUP5_REG_BASE + 0x0000010c) +#define GSBI6_QUP_OUT_FIFO_WORD_CNT_REG (GSBI6_QUP6_REG_BASE + 0x0000010c) +#define GSBI7_QUP_OUT_FIFO_WORD_CNT_REG (GSBI7_QUP7_REG_BASE + 0x0000010c) + +#define GSBI5_QUP_IN_FIFO_WORD_CNT_REG (GSBI5_QUP5_REG_BASE + 0x00000214) +#define GSBI6_QUP_IN_FIFO_WORD_CNT_REG (GSBI6_QUP6_REG_BASE + 0x00000214) +#define GSBI7_QUP_IN_FIFO_WORD_CNT_REG (GSBI7_QUP7_REG_BASE + 0x00000214) + #define GSBI5_QUP_INPUT_FIFOc_REG(c) \ (GSBI5_QUP5_REG_BASE + 0x00000218 + 4 * (c)) #define GSBI6_QUP_INPUT_FIFOc_REG(c) \ @@ -144,10 +154,14 @@ #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_NO_INPUT (1 << 7) #define SPI_QUP_CONF_OUTPUT_MSK (1 << 6) #define SPI_QUP_CONF_OUTPUT_ENA (0 << 6) -#define QUP_STATE_RUN_STATE 0x1 +#define SPI_QUP_CONF_NO_OUTPUT (1 << 6) +#define SPI_QUP_CONF_OUTPUT_ENA (0 << 6) #define QUP_STATE_RESET_STATE 0x0 +#define QUP_STATE_RUN_STATE 0x1 +#define QUP_STATE_PAUSE_STATE 0x3 #define SPI_BIT_WORD_MSK 0x1F #define SPI_8_BIT_WORD 0x07 #define PROTOCOL_CODE_MSK (0x07 << 4) @@ -196,6 +210,7 @@ #define OUTPUT_SERVICE_FLAG (1 << 8) #define INPUT_SERVICE_FLAG (1 << 9) #define QUP_OUTPUT_FIFO_FULL (1 << 6) +#define QUP_INPUT_FIFO_NOT_EMPTY (1 << 5) #define SPI_INPUT_BLOCK_SIZE 4 #define SPI_OUTPUT_BLOCK_SIZE 4 #define GSBI5_SPI_CLK 21 @@ -226,6 +241,7 @@ #define SPI_RESET_STATE 0 #define SPI_RUN_STATE 1 +#define SPI_PAUSE_STATE 3 #define SPI_CORE_RESET 0 #define SPI_CORE_RUNNING 1 #define GSBI_SPI_MODE_0 0 @@ -257,79 +273,13 @@ struct gsbi_spi { 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; + int allocated; }; static inline struct ipq_spi_slave *to_ipq_spi(struct spi_slave *slave) |