mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-25 21:54:06 +08:00
c391e1b9eb
The controller power status flag does not have to be accessed from the hot-plug detection code any more, it can now be removed from the platform data and put in the controller private struct. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Chris Ball <cjb@laptop.org>
154 lines
4.3 KiB
C
154 lines
4.3 KiB
C
#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/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 CNF_CMD 0x04
|
|
#define CNF_CTL_BASE 0x10
|
|
#define CNF_INT_PIN 0x3d
|
|
#define CNF_STOP_CLK_CTL 0x40
|
|
#define CNF_GCLK_CTL 0x41
|
|
#define CNF_SD_CLK_MODE 0x42
|
|
#define CNF_PIN_STATUS 0x44
|
|
#define CNF_PWR_CTL_1 0x48
|
|
#define CNF_PWR_CTL_2 0x49
|
|
#define CNF_PWR_CTL_3 0x4a
|
|
#define CNF_CARD_DETECT_MODE 0x4c
|
|
#define CNF_SD_SLOT 0x50
|
|
#define CNF_EXT_GCLK_CTL_1 0xf0
|
|
#define CNF_EXT_GCLK_CTL_2 0xf1
|
|
#define CNF_EXT_GCLK_CTL_3 0xf9
|
|
#define CNF_SD_LED_EN_1 0xfa
|
|
#define CNF_SD_LED_EN_2 0xfe
|
|
|
|
#define SDCREN 0x2 /* Enable access to MMC CTL regs. (flag in COMMAND_REG)*/
|
|
|
|
#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 */
|
|
#define TMIO_MMC_WRPROTECT_DISABLE (1 << 0)
|
|
/*
|
|
* Some controllers can support a 2-byte block size when the bus width
|
|
* is configured in 4-bit mode.
|
|
*/
|
|
#define TMIO_MMC_BLKSZ_2BYTES (1 << 1)
|
|
/*
|
|
* Some controllers can support SDIO IRQ signalling.
|
|
*/
|
|
#define TMIO_MMC_SDIO_IRQ (1 << 2)
|
|
/*
|
|
* Some platforms can detect card insertion events with controller powered
|
|
* down, using a GPIO IRQ, in which case they have to fill in cd_irq, cd_gpio,
|
|
* and cd_flags fields of struct tmio_mmc_data.
|
|
*/
|
|
#define TMIO_MMC_HAS_COLD_CD (1 << 3)
|
|
/*
|
|
* Some controllers require waiting for the SD bus to become
|
|
* idle before writing to some registers.
|
|
*/
|
|
#define TMIO_MMC_HAS_IDLE_WAIT (1 << 4)
|
|
/*
|
|
* A GPIO is used for card hotplug detection. We need an extra flag for this,
|
|
* because 0 is a valid GPIO number too, and requiring users to specify
|
|
* cd_gpio < 0 to disable GPIO hotplug would break backwards compatibility.
|
|
*/
|
|
#define TMIO_MMC_USE_GPIO_CD (1 << 5)
|
|
|
|
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 tmio_mmc_dma {
|
|
void *chan_priv_tx;
|
|
void *chan_priv_rx;
|
|
int alignment_shift;
|
|
};
|
|
|
|
struct tmio_mmc_host;
|
|
|
|
/*
|
|
* data for the MMC controller
|
|
*/
|
|
struct tmio_mmc_data {
|
|
unsigned int hclk;
|
|
unsigned long capabilities;
|
|
unsigned long flags;
|
|
u32 ocr_mask; /* available voltages */
|
|
struct tmio_mmc_dma *dma;
|
|
struct device *dev;
|
|
unsigned int cd_gpio;
|
|
void (*set_pwr)(struct platform_device *host, int state);
|
|
void (*set_clk_div)(struct platform_device *host, int state);
|
|
int (*get_cd)(struct platform_device *host);
|
|
int (*write16_hook)(struct tmio_mmc_host *host, int addr);
|
|
};
|
|
|
|
/*
|
|
* This function is deprecated and will be removed soon. Please, convert your
|
|
* platform to use drivers/mmc/core/cd-gpio.c
|
|
*/
|
|
#include <linux/mmc/host.h>
|
|
static inline void tmio_mmc_cd_wakeup(struct tmio_mmc_data *pdata)
|
|
{
|
|
if (pdata)
|
|
mmc_detect_change(dev_get_drvdata(pdata->dev),
|
|
msecs_to_jiffies(100));
|
|
}
|
|
|
|
/*
|
|
* data for the NAND controller
|
|
*/
|
|
struct tmio_nand_data {
|
|
struct nand_bbt_descr *badblock_pattern;
|
|
struct mtd_partition *partition;
|
|
unsigned int num_partitions;
|
|
};
|
|
|
|
#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
|