/* return raw value from the reg, then it may do bcd convertion if needed */
static inline int rtc_read_reg(struct ac100 *ac100, int reg)
{
#if 0
arisc_rsb_block_cfg_t rsb_data;
unsigned char addr;
unsigned int data;
addr = (unsigned char)reg;
rsb_data.len = 1;
rsb_data.datatype = RSB_DATA_TYPE_HWORD;
rsb_data.msgattr = ARISC_MESSAGE_ATTR_SOFTSYN;
rsb_data.devaddr = RSB_RTSADDR_AC100;
rsb_data.regaddr = &addr;
rsb_data.data = &data;
/* read axp registers */
if (arisc_rsb_read_block_data(&rsb_data)) {
pr_err("%s(%d) err: read reg-0x%x failed", __func__, __LINE__, reg);
return -EPERM;
}
return data;
#else
return ac100_reg_read(ac100, reg);
#endif
}
static u32 ac100_readl(void __iomem * reg)
{
arisc_rsb_block_cfg_t rsb_data;
unsigned char addr;
unsigned int val;
addr = (unsigned char)((unsigned long)reg);
rsb_data.len = 1;
rsb_data.datatype = RSB_DATA_TYPE_HWORD;
rsb_data.msgattr = ARISC_MESSAGE_ATTR_SOFTSYN;
rsb_data.devaddr = RSB_RTSADDR_AC100;
rsb_data.regaddr = &addr;
rsb_data.data = &val;
/* read registers */
if (arisc_rsb_read_block_data(&rsb_data))
pr_err("%s(%d) err: read reg-0x%x failed", __func__, __LINE__, (unsigned int __force)reg);
return val;
}
/**
* acx00_rsb_reg_read: Read a single ACX00X00 register.
*
* @reg: Register to read.
*/
int acx00_rsb_reg_read(unsigned short reg)
{
int ret;
arisc_rsb_block_cfg_t rsb_data;
unsigned char addr;
unsigned int data;
addr = (unsigned char)reg;
rsb_data.len = 1;
rsb_data.datatype = RSB_DATA_TYPE_HWORD;
rsb_data.msgattr = ARISC_MESSAGE_ATTR_SOFTSYN;
rsb_data.devaddr = RSB_RTSADDR_ACX00X00;
rsb_data.regaddr = &addr;
rsb_data.data = &data;
/* read axp registers */
ret = arisc_rsb_read_block_data(&rsb_data);
if (ret != 0) {
pr_err("failed reads to 0x%02x\n", reg);
return ret;
}
return data;
}
static ssize_t arisc_rsb_write_block_data_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
ssize_t size = 0;
u32 ret = 0;
if ((block_cfg.regaddr == NULL) || (block_cfg.data == NULL) ||
(block_cfg.devaddr > 0xff) ||
((block_cfg.datatype != RSB_DATA_TYPE_BYTE) && (block_cfg.datatype != RSB_DATA_TYPE_HWORD) && (block_cfg.datatype != RSB_DATA_TYPE_WORD))) {
ARISC_WRN("invalid rsb paras, devaddr:0x%x, regaddr:0x%x, datatype:0x%x\n", block_cfg.devaddr, block_cfg.regaddr ? *block_cfg.regaddr : 0, block_cfg.datatype);
ARISC_WRN("pls echo like that: echo devaddr regaddr data datatype > rsb_write_block_data\n");
return size;
}
ret = arisc_rsb_read_block_data(&block_cfg);
if (ret) {
ARISC_ERR("rsb read data:0x%x from devaddr:0x%x regaddr:0x%x fail\n", *block_cfg.data, block_cfg.devaddr, *block_cfg.regaddr);
} else {
ARISC_LOG("rsb read data:0x%x from devaddr:0x%x regaddr:0x%x success\n", *block_cfg.data, block_cfg.devaddr, *block_cfg.regaddr);
}
size = sprintf(buf, "%x\n", data);
return size;
}