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Diffstat (limited to 'drivers/tty/serial/samsung.h')
-rw-r--r--drivers/tty/serial/samsung.h147
1 files changed, 0 insertions, 147 deletions
diff --git a/drivers/tty/serial/samsung.h b/drivers/tty/serial/samsung.h
deleted file mode 100644
index f93022113f59..000000000000
--- a/drivers/tty/serial/samsung.h
+++ /dev/null
@@ -1,147 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#ifndef __SAMSUNG_H
-#define __SAMSUNG_H
-
-/*
- * Driver for Samsung SoC onboard UARTs.
- *
- * Ben Dooks, Copyright (c) 2003-2008 Simtec Electronics
- * http://armlinux.simtec.co.uk/
-*/
-
-#include <linux/dmaengine.h>
-
-struct s3c24xx_uart_info {
- char *name;
- unsigned int type;
- unsigned int fifosize;
- unsigned long rx_fifomask;
- unsigned long rx_fifoshift;
- unsigned long rx_fifofull;
- unsigned long tx_fifomask;
- unsigned long tx_fifoshift;
- unsigned long tx_fifofull;
- unsigned int def_clk_sel;
- unsigned long num_clks;
- unsigned long clksel_mask;
- unsigned long clksel_shift;
-
- /* uart port features */
-
- unsigned int has_divslot:1;
-
- /* uart controls */
- int (*reset_port)(struct uart_port *, struct s3c2410_uartcfg *);
-};
-
-struct s3c24xx_serial_drv_data {
- struct s3c24xx_uart_info *info;
- struct s3c2410_uartcfg *def_cfg;
- unsigned int fifosize[CONFIG_SERIAL_SAMSUNG_UARTS];
-};
-
-struct s3c24xx_uart_dma {
- unsigned int rx_chan_id;
- unsigned int tx_chan_id;
-
- struct dma_slave_config rx_conf;
- struct dma_slave_config tx_conf;
-
- struct dma_chan *rx_chan;
- struct dma_chan *tx_chan;
-
- dma_addr_t rx_addr;
- dma_addr_t tx_addr;
-
- dma_cookie_t rx_cookie;
- dma_cookie_t tx_cookie;
-
- char *rx_buf;
-
- dma_addr_t tx_transfer_addr;
-
- size_t rx_size;
- size_t tx_size;
-
- struct dma_async_tx_descriptor *tx_desc;
- struct dma_async_tx_descriptor *rx_desc;
-
- int tx_bytes_requested;
- int rx_bytes_requested;
-};
-
-struct s3c24xx_uart_port {
- unsigned char rx_claimed;
- unsigned char tx_claimed;
- unsigned int pm_level;
- unsigned long baudclk_rate;
- unsigned int min_dma_size;
-
- unsigned int rx_irq;
- unsigned int tx_irq;
-
- unsigned int tx_in_progress;
- unsigned int tx_mode;
- unsigned int rx_mode;
-
- struct s3c24xx_uart_info *info;
- struct clk *clk;
- struct clk *baudclk;
- struct uart_port port;
- struct s3c24xx_serial_drv_data *drv_data;
-
- /* reference to platform data */
- struct s3c2410_uartcfg *cfg;
-
- struct s3c24xx_uart_dma *dma;
-
-#ifdef CONFIG_ARM_S3C24XX_CPUFREQ
- struct notifier_block freq_transition;
-#endif
-};
-
-/* conversion functions */
-
-#define s3c24xx_dev_to_port(__dev) dev_get_drvdata(__dev)
-
-/* register access controls */
-
-#define portaddr(port, reg) ((port)->membase + (reg))
-#define portaddrl(port, reg) \
- ((unsigned long *)(unsigned long)((port)->membase + (reg)))
-
-#define rd_regb(port, reg) (readb_relaxed(portaddr(port, reg)))
-#define rd_regl(port, reg) (readl_relaxed(portaddr(port, reg)))
-
-#define wr_regb(port, reg, val) writeb_relaxed(val, portaddr(port, reg))
-#define wr_regl(port, reg, val) writel_relaxed(val, portaddr(port, reg))
-
-/* Byte-order aware bit setting/clearing functions. */
-
-static inline void s3c24xx_set_bit(struct uart_port *port, int idx,
- unsigned int reg)
-{
- unsigned long flags;
- u32 val;
-
- local_irq_save(flags);
- val = rd_regl(port, reg);
- val |= (1 << idx);
- wr_regl(port, reg, val);
- local_irq_restore(flags);
-}
-
-static inline void s3c24xx_clear_bit(struct uart_port *port, int idx,
- unsigned int reg)
-{
- unsigned long flags;
- u32 val;
-
- local_irq_save(flags);
- val = rd_regl(port, reg);
- val &= ~(1 << idx);
- wr_regl(port, reg, val);
- local_irq_restore(flags);
-}
-
-#endif