mirror of https://gitee.com/openkylin/linux.git
spi/bfin_spi: namespace local structs
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Mike Frysinger
parent
6f7c17f4f9
commit
9c0a788b43
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@ -1,7 +1,7 @@
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/*
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* Blackfin On-Chip SPI Driver
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*
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* Copyright 2004-2007 Analog Devices Inc.
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* Copyright 2004-2010 Analog Devices Inc.
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*
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* Enter bugs at http://blackfin.uclinux.org/
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*
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@ -42,15 +42,15 @@ MODULE_LICENSE("GPL");
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#define DONE_STATE ((void *)2)
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#define ERROR_STATE ((void *)-1)
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struct master_data;
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struct bfin_spi_master_data;
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struct transfer_ops {
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void (*write) (struct master_data *);
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void (*read) (struct master_data *);
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void (*duplex) (struct master_data *);
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struct bfin_spi_transfer_ops {
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void (*write) (struct bfin_spi_master_data *);
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void (*read) (struct bfin_spi_master_data *);
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void (*duplex) (struct bfin_spi_master_data *);
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};
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struct master_data {
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struct bfin_spi_master_data {
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/* Driver model hookup */
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struct platform_device *pdev;
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@ -80,7 +80,7 @@ struct master_data {
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/* Current message transfer state info */
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struct spi_message *cur_msg;
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struct spi_transfer *cur_transfer;
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struct slave_data *cur_chip;
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struct bfin_spi_slave_data *cur_chip;
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size_t len_in_bytes;
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size_t len;
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void *tx;
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@ -105,10 +105,10 @@ struct master_data {
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u16 flag_reg;
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int cs_change;
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const struct transfer_ops *ops;
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const struct bfin_spi_transfer_ops *ops;
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};
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struct slave_data {
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struct bfin_spi_slave_data {
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u16 ctl_reg;
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u16 baud;
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u16 flag;
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@ -119,13 +119,13 @@ struct slave_data {
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u32 cs_gpio;
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u16 idle_tx_val;
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u8 pio_interrupt; /* use spi data irq */
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const struct transfer_ops *ops;
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const struct bfin_spi_transfer_ops *ops;
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};
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#define DEFINE_SPI_REG(reg, off) \
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static inline u16 read_##reg(struct master_data *drv_data) \
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static inline u16 read_##reg(struct bfin_spi_master_data *drv_data) \
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{ return bfin_read16(drv_data->regs_base + off); } \
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static inline void write_##reg(struct master_data *drv_data, u16 v) \
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static inline void write_##reg(struct bfin_spi_master_data *drv_data, u16 v) \
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{ bfin_write16(drv_data->regs_base + off, v); }
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DEFINE_SPI_REG(CTRL, 0x00)
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@ -136,7 +136,7 @@ DEFINE_SPI_REG(RDBR, 0x10)
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DEFINE_SPI_REG(BAUD, 0x14)
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DEFINE_SPI_REG(SHAW, 0x18)
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static void bfin_spi_enable(struct master_data *drv_data)
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static void bfin_spi_enable(struct bfin_spi_master_data *drv_data)
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{
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u16 cr;
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@ -144,7 +144,7 @@ static void bfin_spi_enable(struct master_data *drv_data)
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write_CTRL(drv_data, (cr | BIT_CTL_ENABLE));
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}
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static void bfin_spi_disable(struct master_data *drv_data)
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static void bfin_spi_disable(struct bfin_spi_master_data *drv_data)
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{
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u16 cr;
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@ -167,7 +167,7 @@ static u16 hz_to_spi_baud(u32 speed_hz)
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return spi_baud;
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}
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static int bfin_spi_flush(struct master_data *drv_data)
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static int bfin_spi_flush(struct bfin_spi_master_data *drv_data)
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{
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unsigned long limit = loops_per_jiffy << 1;
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@ -181,7 +181,7 @@ static int bfin_spi_flush(struct master_data *drv_data)
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}
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/* Chip select operation functions for cs_change flag */
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static void bfin_spi_cs_active(struct master_data *drv_data, struct slave_data *chip)
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static void bfin_spi_cs_active(struct bfin_spi_master_data *drv_data, struct bfin_spi_slave_data *chip)
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{
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if (likely(chip->chip_select_num < MAX_CTRL_CS)) {
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u16 flag = read_FLAG(drv_data);
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@ -194,7 +194,8 @@ static void bfin_spi_cs_active(struct master_data *drv_data, struct slave_data *
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}
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}
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static void bfin_spi_cs_deactive(struct master_data *drv_data, struct slave_data *chip)
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static void bfin_spi_cs_deactive(struct bfin_spi_master_data *drv_data,
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struct bfin_spi_slave_data *chip)
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{
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if (likely(chip->chip_select_num < MAX_CTRL_CS)) {
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u16 flag = read_FLAG(drv_data);
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@ -212,7 +213,8 @@ static void bfin_spi_cs_deactive(struct master_data *drv_data, struct slave_data
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}
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/* enable or disable the pin muxed by GPIO and SPI CS to work as SPI CS */
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static inline void bfin_spi_cs_enable(struct master_data *drv_data, struct slave_data *chip)
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static inline void bfin_spi_cs_enable(struct bfin_spi_master_data *drv_data,
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struct bfin_spi_slave_data *chip)
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{
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if (chip->chip_select_num < MAX_CTRL_CS) {
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u16 flag = read_FLAG(drv_data);
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@ -223,7 +225,8 @@ static inline void bfin_spi_cs_enable(struct master_data *drv_data, struct slave
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}
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}
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static inline void bfin_spi_cs_disable(struct master_data *drv_data, struct slave_data *chip)
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static inline void bfin_spi_cs_disable(struct bfin_spi_master_data *drv_data,
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struct bfin_spi_slave_data *chip)
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{
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if (chip->chip_select_num < MAX_CTRL_CS) {
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u16 flag = read_FLAG(drv_data);
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@ -235,9 +238,9 @@ static inline void bfin_spi_cs_disable(struct master_data *drv_data, struct slav
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}
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/* stop controller and re-config current chip*/
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static void bfin_spi_restore_state(struct master_data *drv_data)
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static void bfin_spi_restore_state(struct bfin_spi_master_data *drv_data)
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{
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struct slave_data *chip = drv_data->cur_chip;
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struct bfin_spi_slave_data *chip = drv_data->cur_chip;
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/* Clear status and disable clock */
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write_STAT(drv_data, BIT_STAT_CLR);
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@ -255,12 +258,12 @@ static void bfin_spi_restore_state(struct master_data *drv_data)
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}
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/* used to kick off transfer in rx mode and read unwanted RX data */
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static inline void bfin_spi_dummy_read(struct master_data *drv_data)
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static inline void bfin_spi_dummy_read(struct bfin_spi_master_data *drv_data)
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{
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(void) read_RDBR(drv_data);
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}
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static void bfin_spi_u8_writer(struct master_data *drv_data)
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static void bfin_spi_u8_writer(struct bfin_spi_master_data *drv_data)
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{
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/* clear RXS (we check for RXS inside the loop) */
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bfin_spi_dummy_read(drv_data);
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@ -276,7 +279,7 @@ static void bfin_spi_u8_writer(struct master_data *drv_data)
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}
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}
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static void bfin_spi_u8_reader(struct master_data *drv_data)
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static void bfin_spi_u8_reader(struct bfin_spi_master_data *drv_data)
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{
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u16 tx_val = drv_data->cur_chip->idle_tx_val;
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@ -291,7 +294,7 @@ static void bfin_spi_u8_reader(struct master_data *drv_data)
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}
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}
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static void bfin_spi_u8_duplex(struct master_data *drv_data)
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static void bfin_spi_u8_duplex(struct bfin_spi_master_data *drv_data)
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{
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/* discard old RX data and clear RXS */
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bfin_spi_dummy_read(drv_data);
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@ -304,13 +307,13 @@ static void bfin_spi_u8_duplex(struct master_data *drv_data)
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}
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}
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static const struct transfer_ops bfin_transfer_ops_u8 = {
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static const struct bfin_spi_transfer_ops bfin_bfin_spi_transfer_ops_u8 = {
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.write = bfin_spi_u8_writer,
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.read = bfin_spi_u8_reader,
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.duplex = bfin_spi_u8_duplex,
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};
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static void bfin_spi_u16_writer(struct master_data *drv_data)
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static void bfin_spi_u16_writer(struct bfin_spi_master_data *drv_data)
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{
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/* clear RXS (we check for RXS inside the loop) */
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bfin_spi_dummy_read(drv_data);
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@ -327,7 +330,7 @@ static void bfin_spi_u16_writer(struct master_data *drv_data)
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}
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}
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static void bfin_spi_u16_reader(struct master_data *drv_data)
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static void bfin_spi_u16_reader(struct bfin_spi_master_data *drv_data)
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{
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u16 tx_val = drv_data->cur_chip->idle_tx_val;
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@ -343,7 +346,7 @@ static void bfin_spi_u16_reader(struct master_data *drv_data)
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}
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}
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static void bfin_spi_u16_duplex(struct master_data *drv_data)
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static void bfin_spi_u16_duplex(struct bfin_spi_master_data *drv_data)
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{
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/* discard old RX data and clear RXS */
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bfin_spi_dummy_read(drv_data);
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@ -358,14 +361,14 @@ static void bfin_spi_u16_duplex(struct master_data *drv_data)
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}
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}
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static const struct transfer_ops bfin_transfer_ops_u16 = {
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static const struct bfin_spi_transfer_ops bfin_bfin_spi_transfer_ops_u16 = {
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.write = bfin_spi_u16_writer,
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.read = bfin_spi_u16_reader,
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.duplex = bfin_spi_u16_duplex,
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};
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/* test if there is more transfer to be done */
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static void *bfin_spi_next_transfer(struct master_data *drv_data)
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static void *bfin_spi_next_transfer(struct bfin_spi_master_data *drv_data)
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{
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struct spi_message *msg = drv_data->cur_msg;
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struct spi_transfer *trans = drv_data->cur_transfer;
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@ -384,9 +387,9 @@ static void *bfin_spi_next_transfer(struct master_data *drv_data)
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* caller already set message->status;
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* dma and pio irqs are blocked give finished message back
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*/
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static void bfin_spi_giveback(struct master_data *drv_data)
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static void bfin_spi_giveback(struct bfin_spi_master_data *drv_data)
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{
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struct slave_data *chip = drv_data->cur_chip;
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struct bfin_spi_slave_data *chip = drv_data->cur_chip;
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struct spi_transfer *last_transfer;
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unsigned long flags;
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struct spi_message *msg;
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@ -418,8 +421,8 @@ static void bfin_spi_giveback(struct master_data *drv_data)
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/* spi data irq handler */
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static irqreturn_t bfin_spi_pio_irq_handler(int irq, void *dev_id)
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{
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struct master_data *drv_data = dev_id;
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struct slave_data *chip = drv_data->cur_chip;
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struct bfin_spi_master_data *drv_data = dev_id;
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struct bfin_spi_slave_data *chip = drv_data->cur_chip;
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struct spi_message *msg = drv_data->cur_msg;
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int n_bytes = drv_data->n_bytes;
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@ -490,8 +493,8 @@ static irqreturn_t bfin_spi_pio_irq_handler(int irq, void *dev_id)
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static irqreturn_t bfin_spi_dma_irq_handler(int irq, void *dev_id)
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{
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struct master_data *drv_data = dev_id;
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struct slave_data *chip = drv_data->cur_chip;
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struct bfin_spi_master_data *drv_data = dev_id;
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struct bfin_spi_slave_data *chip = drv_data->cur_chip;
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struct spi_message *msg = drv_data->cur_msg;
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unsigned long timeout;
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unsigned short dmastat = get_dma_curr_irqstat(drv_data->dma_channel);
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@ -554,11 +557,11 @@ static irqreturn_t bfin_spi_dma_irq_handler(int irq, void *dev_id)
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static void bfin_spi_pump_transfers(unsigned long data)
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{
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struct master_data *drv_data = (struct master_data *)data;
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struct bfin_spi_master_data *drv_data = (struct bfin_spi_master_data *)data;
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struct spi_message *message = NULL;
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struct spi_transfer *transfer = NULL;
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struct spi_transfer *previous = NULL;
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struct slave_data *chip = NULL;
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struct bfin_spi_slave_data *chip = NULL;
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unsigned int bits_per_word;
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u16 cr, cr_width, dma_width, dma_config;
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u32 tranf_success = 1;
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@ -643,12 +646,12 @@ static void bfin_spi_pump_transfers(unsigned long data)
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drv_data->n_bytes = 1;
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drv_data->len = transfer->len;
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cr_width = 0;
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drv_data->ops = &bfin_transfer_ops_u8;
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drv_data->ops = &bfin_bfin_spi_transfer_ops_u8;
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} else if (bits_per_word == 16) {
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drv_data->n_bytes = 2;
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drv_data->len = (transfer->len) >> 1;
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cr_width = BIT_CTL_WORDSIZE;
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drv_data->ops = &bfin_transfer_ops_u16;
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drv_data->ops = &bfin_bfin_spi_transfer_ops_u16;
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} else {
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dev_err(&drv_data->pdev->dev, "transfer: unsupported bits_per_word\n");
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message->status = -EINVAL;
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@ -661,7 +664,7 @@ static void bfin_spi_pump_transfers(unsigned long data)
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dev_dbg(&drv_data->pdev->dev,
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"transfer: drv_data->ops is %p, chip->ops is %p, u8_ops is %p\n",
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drv_data->ops, chip->ops, &bfin_transfer_ops_u8);
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drv_data->ops, chip->ops, &bfin_bfin_spi_transfer_ops_u8);
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message->state = RUNNING_STATE;
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dma_config = 0;
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@ -868,10 +871,10 @@ static void bfin_spi_pump_transfers(unsigned long data)
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/* pop a msg from queue and kick off real transfer */
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static void bfin_spi_pump_messages(struct work_struct *work)
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{
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struct master_data *drv_data;
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struct bfin_spi_master_data *drv_data;
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unsigned long flags;
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drv_data = container_of(work, struct master_data, pump_messages);
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drv_data = container_of(work, struct bfin_spi_master_data, pump_messages);
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/* Lock queue and check for queue work */
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spin_lock_irqsave(&drv_data->lock, flags);
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@ -925,7 +928,7 @@ static void bfin_spi_pump_messages(struct work_struct *work)
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*/
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static int bfin_spi_transfer(struct spi_device *spi, struct spi_message *msg)
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{
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struct master_data *drv_data = spi_master_get_devdata(spi->master);
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struct bfin_spi_master_data *drv_data = spi_master_get_devdata(spi->master);
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unsigned long flags;
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spin_lock_irqsave(&drv_data->lock, flags);
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@ -970,8 +973,8 @@ static u16 ssel[][MAX_SPI_SSEL] = {
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static int bfin_spi_setup(struct spi_device *spi)
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{
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struct bfin5xx_spi_chip *chip_info;
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struct slave_data *chip = NULL;
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struct master_data *drv_data = spi_master_get_devdata(spi->master);
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struct bfin_spi_slave_data *chip = NULL;
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struct bfin_spi_master_data *drv_data = spi_master_get_devdata(spi->master);
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u16 bfin_ctl_reg;
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int ret = -EINVAL;
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@ -1152,8 +1155,8 @@ static int bfin_spi_setup(struct spi_device *spi)
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*/
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static void bfin_spi_cleanup(struct spi_device *spi)
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{
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struct slave_data *chip = spi_get_ctldata(spi);
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struct master_data *drv_data = spi_master_get_devdata(spi->master);
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struct bfin_spi_slave_data *chip = spi_get_ctldata(spi);
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struct bfin_spi_master_data *drv_data = spi_master_get_devdata(spi->master);
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if (!chip)
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return;
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@ -1170,7 +1173,7 @@ static void bfin_spi_cleanup(struct spi_device *spi)
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spi_set_ctldata(spi, NULL);
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}
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static inline int bfin_spi_init_queue(struct master_data *drv_data)
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static inline int bfin_spi_init_queue(struct bfin_spi_master_data *drv_data)
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{
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INIT_LIST_HEAD(&drv_data->queue);
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spin_lock_init(&drv_data->lock);
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@ -1192,7 +1195,7 @@ static inline int bfin_spi_init_queue(struct master_data *drv_data)
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return 0;
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}
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static inline int bfin_spi_start_queue(struct master_data *drv_data)
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static inline int bfin_spi_start_queue(struct bfin_spi_master_data *drv_data)
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{
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unsigned long flags;
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@ -1214,7 +1217,7 @@ static inline int bfin_spi_start_queue(struct master_data *drv_data)
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return 0;
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}
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static inline int bfin_spi_stop_queue(struct master_data *drv_data)
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static inline int bfin_spi_stop_queue(struct bfin_spi_master_data *drv_data)
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{
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unsigned long flags;
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unsigned limit = 500;
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@ -1243,7 +1246,7 @@ static inline int bfin_spi_stop_queue(struct master_data *drv_data)
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return status;
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}
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static inline int bfin_spi_destroy_queue(struct master_data *drv_data)
|
||||
static inline int bfin_spi_destroy_queue(struct bfin_spi_master_data *drv_data)
|
||||
{
|
||||
int status;
|
||||
|
||||
|
|
@ -1261,7 +1264,7 @@ static int __init bfin_spi_probe(struct platform_device *pdev)
|
|||
struct device *dev = &pdev->dev;
|
||||
struct bfin5xx_spi_master *platform_info;
|
||||
struct spi_master *master;
|
||||
struct master_data *drv_data;
|
||||
struct bfin_spi_master_data *drv_data;
|
||||
struct resource *res;
|
||||
int status = 0;
|
||||
|
||||
|
|
@ -1371,7 +1374,7 @@ static int __init bfin_spi_probe(struct platform_device *pdev)
|
|||
/* stop hardware and remove the driver */
|
||||
static int __devexit bfin_spi_remove(struct platform_device *pdev)
|
||||
{
|
||||
struct master_data *drv_data = platform_get_drvdata(pdev);
|
||||
struct bfin_spi_master_data *drv_data = platform_get_drvdata(pdev);
|
||||
int status = 0;
|
||||
|
||||
if (!drv_data)
|
||||
|
|
@ -1410,7 +1413,7 @@ static int __devexit bfin_spi_remove(struct platform_device *pdev)
|
|||
#ifdef CONFIG_PM
|
||||
static int bfin_spi_suspend(struct platform_device *pdev, pm_message_t state)
|
||||
{
|
||||
struct master_data *drv_data = platform_get_drvdata(pdev);
|
||||
struct bfin_spi_master_data *drv_data = platform_get_drvdata(pdev);
|
||||
int status = 0;
|
||||
|
||||
status = bfin_spi_stop_queue(drv_data);
|
||||
|
|
@ -1431,7 +1434,7 @@ static int bfin_spi_suspend(struct platform_device *pdev, pm_message_t state)
|
|||
|
||||
static int bfin_spi_resume(struct platform_device *pdev)
|
||||
{
|
||||
struct master_data *drv_data = platform_get_drvdata(pdev);
|
||||
struct bfin_spi_master_data *drv_data = platform_get_drvdata(pdev);
|
||||
int status = 0;
|
||||
|
||||
write_CTRL(drv_data, drv_data->ctrl_reg);
|
||||
|
|
|
|||
Loading…
Reference in New Issue