Viewing file:  tmio.h (3.8 KB) -rw-r--r--
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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef MFD_TMIO_H
#define MFD_TMIO_H
#include <linux/device.h>
#include <linux/fb.h>
#include <linux/io.h>
#include <linux/jiffies.h>
#include <linux/mmc/card.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#define tmio_ioread8(addr) readb(addr)
#define tmio_ioread16(addr) readw(addr)
#define tmio_ioread16_rep(r, b, l) readsw(r, b, l)
#define tmio_ioread32(addr) \
(((u32)readw((addr))) | (((u32)readw((addr) + 2)) << 16))
#define tmio_iowrite8(val, addr) writeb((val), (addr))
#define tmio_iowrite16(val, addr) writew((val), (addr))
#define tmio_iowrite16_rep(r, b, l) writesw(r, b, l)
#define tmio_iowrite32(val, addr) \
do { \
writew((val), (addr)); \
writew((val) >> 16, (addr) + 2); \
} while (0)
#define sd_config_write8(base, shift, reg, val) \
tmio_iowrite8((val), (base) + ((reg) << (shift)))
#define sd_config_write16(base, shift, reg, val) \
tmio_iowrite16((val), (base) + ((reg) << (shift)))
#define sd_config_write32(base, shift, reg, val) \
do { \
tmio_iowrite16((val), (base) + ((reg) << (shift))); \
tmio_iowrite16((val) >> 16, (base) + ((reg + 2) << (shift))); \
} while (0)
/* tmio MMC platform flags */
/*
* Some controllers can support a 2-byte block size when the bus width
* is configured in 4-bit mode.
*/
#define TMIO_MMC_BLKSZ_2BYTES BIT(1)
/*
* Some controllers can support SDIO IRQ signalling.
*/
#define TMIO_MMC_SDIO_IRQ BIT(2)
/* Some features are only available or tested on R-Car Gen2 or later */
#define TMIO_MMC_MIN_RCAR2 BIT(3)
/*
* Some controllers require waiting for the SD bus to become
* idle before writing to some registers.
*/
#define TMIO_MMC_HAS_IDLE_WAIT BIT(4)
/*
* Use the busy timeout feature. Probably all TMIO versions support it. Yet,
* we don't have documentation for old variants, so we enable only known good
* variants with this flag. Can be removed once all variants are known good.
*/
#define TMIO_MMC_USE_BUSY_TIMEOUT BIT(5)
/*
* Some controllers have CMD12 automatically
* issue/non-issue register
*/
#define TMIO_MMC_HAVE_CMD12_CTRL BIT(7)
/* Controller has some SDIO status bits which must be 1 */
#define TMIO_MMC_SDIO_STATUS_SETBITS BIT(8)
/*
* Some controllers have a 32-bit wide data port register
*/
#define TMIO_MMC_32BIT_DATA_PORT BIT(9)
/*
* Some controllers allows to set SDx actual clock
*/
#define TMIO_MMC_CLK_ACTUAL BIT(10)
/* Some controllers have a CBSY bit */
#define TMIO_MMC_HAVE_CBSY BIT(11)
int tmio_core_mmc_enable(void __iomem *cnf, int shift, unsigned long base);
int tmio_core_mmc_resume(void __iomem *cnf, int shift, unsigned long base);
void tmio_core_mmc_pwr(void __iomem *cnf, int shift, int state);
void tmio_core_mmc_clk_div(void __iomem *cnf, int shift, int state);
struct dma_chan;
/*
* data for the MMC controller
*/
struct tmio_mmc_data {
void *chan_priv_tx;
void *chan_priv_rx;
unsigned int hclk;
unsigned long capabilities;
unsigned long capabilities2;
unsigned long flags;
u32 ocr_mask; /* available voltages */
int alignment_shift;
dma_addr_t dma_rx_offset;
unsigned int max_blk_count;
unsigned short max_segs;
void (*set_pwr)(struct platform_device *host, int state);
void (*set_clk_div)(struct platform_device *host, int state);
};
/*
* data for the NAND controller
*/
struct tmio_nand_data {
struct nand_bbt_descr *badblock_pattern;
struct mtd_partition *partition;
unsigned int num_partitions;
const char *const *part_parsers;
};
#define FBIO_TMIO_ACC_WRITE 0x7C639300
#define FBIO_TMIO_ACC_SYNC 0x7C639301
struct tmio_fb_data {
int (*lcd_set_power)(struct platform_device *fb_dev,
bool on);
int (*lcd_mode)(struct platform_device *fb_dev,
const struct fb_videomode *mode);
int num_modes;
struct fb_videomode *modes;
/* in mm: size of screen */
int height;
int width;
};
#endif
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