int nvhost_write_module_regs(struct nvhost_device *ndev,
u32 offset, int count, const u32 *values)
{
void __iomem *p = ndev->aperture + offset;
int err;
/* verify offset */
err = validate_reg(ndev, offset, count);
if (err)
return err;
nvhost_module_busy(ndev);
while (count--) {
writel(*(values++), p);
p += 4;
}
wmb();
nvhost_module_idle(ndev);
return 0;
}
int nvhost_read_module_regs(struct platform_device *ndev,
u32 offset, int count, u32 *values)
{
struct nvhost_device_data *pdata = platform_get_drvdata(ndev);
void __iomem *p = pdata->aperture + offset;
int err;
/* verify offset */
err = validate_reg(ndev, offset, count);
if (err)
return err;
nvhost_module_busy(ndev);
while (count--) {
*(values++) = readl(p);
p += 4;
}
rmb();
nvhost_module_idle(ndev);
return 0;
}