140 lines
3.8 KiB
C
140 lines
3.8 KiB
C
/* 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
|