242 static u32 read_reg(struct vpdma_data *vpdma, int offset)  in read_reg()  argument
244 	return ioread32(vpdma->base + offset);  in read_reg()
247 static void write_reg(struct vpdma_data *vpdma, int offset, u32 value)  in write_reg()  argument
249 	iowrite32(value, vpdma->base + offset);  in write_reg()
252 static int read_field_reg(struct vpdma_data *vpdma, int offset,  in read_field_reg()  argument
255 	return (read_reg(vpdma, offset) & (mask << shift)) >> shift;  in read_field_reg()
258 static void write_field_reg(struct vpdma_data *vpdma, int offset, u32 field,  in write_field_reg()  argument
261 	u32 val = read_reg(vpdma, offset);  in write_field_reg()
266 	write_reg(vpdma, offset, val);  in write_field_reg()
269 void vpdma_dump_regs(struct vpdma_data *vpdma)  in vpdma_dump_regs()  argument
271 	struct device *dev = &vpdma->pdev->dev;  in vpdma_dump_regs()
273 #define DUMPREG(r) dev_dbg(dev, "%-35s %08x\n", #r, read_reg(vpdma, VPDMA_##r))  in vpdma_dump_regs()
348 int vpdma_map_desc_buf(struct vpdma_data *vpdma, struct vpdma_buf *buf)  in vpdma_map_desc_buf()  argument
350 	struct device *dev = &vpdma->pdev->dev;  in vpdma_map_desc_buf()
369 void vpdma_unmap_desc_buf(struct vpdma_data *vpdma, struct vpdma_buf *buf)  in vpdma_unmap_desc_buf()  argument
371 	struct device *dev = &vpdma->pdev->dev;  in vpdma_unmap_desc_buf()
420 static bool vpdma_list_busy(struct vpdma_data *vpdma, int list_num)  in vpdma_list_busy()  argument
422 	return read_reg(vpdma, VPDMA_LIST_STAT_SYNC) & BIT(list_num + 16);  in vpdma_list_busy()
428 int vpdma_submit_descs(struct vpdma_data *vpdma, struct vpdma_desc_list *list)  in vpdma_submit_descs()  argument
434 	if (vpdma_list_busy(vpdma, list_num))  in vpdma_submit_descs()
440 	write_reg(vpdma, VPDMA_LIST_ADDR, (u32) list->buf.dma_addr);  in vpdma_submit_descs()
442 	write_reg(vpdma, VPDMA_LIST_ATTR,  in vpdma_submit_descs()
752 void vpdma_enable_list_complete_irq(struct vpdma_data *vpdma, int list_num,  in vpdma_enable_list_complete_irq()  argument
757 	val = read_reg(vpdma, VPDMA_INT_LIST0_MASK);  in vpdma_enable_list_complete_irq()
762 	write_reg(vpdma, VPDMA_INT_LIST0_MASK, val);  in vpdma_enable_list_complete_irq()
766 void vpdma_clear_list_stat(struct vpdma_data *vpdma)  in vpdma_clear_list_stat()  argument
768 	write_reg(vpdma, VPDMA_INT_LIST0_STAT,  in vpdma_clear_list_stat()
769 		read_reg(vpdma, VPDMA_INT_LIST0_STAT));  in vpdma_clear_list_stat()
777 void vpdma_set_line_mode(struct vpdma_data *vpdma, int line_mode,  in vpdma_set_line_mode()  argument
782 	write_field_reg(vpdma, client_cstat, line_mode,  in vpdma_set_line_mode()
790 void vpdma_set_frame_start_event(struct vpdma_data *vpdma,  in vpdma_set_frame_start_event()  argument
796 	write_field_reg(vpdma, client_cstat, fs_event,  in vpdma_set_frame_start_event()
802 	struct vpdma_data *vpdma = context;  in vpdma_firmware_cb()  local
806 	dev_dbg(&vpdma->pdev->dev, "firmware callback\n");  in vpdma_firmware_cb()
809 		dev_err(&vpdma->pdev->dev, "couldn't get firmware\n");  in vpdma_firmware_cb()
814 	if (read_field_reg(vpdma, VPDMA_LIST_ATTR, VPDMA_LIST_RDY_MASK,  in vpdma_firmware_cb()
816 		vpdma->cb(vpdma->pdev);  in vpdma_firmware_cb()
822 		dev_err(&vpdma->pdev->dev,  in vpdma_firmware_cb()
829 	vpdma_map_desc_buf(vpdma, &fw_dma_buf);  in vpdma_firmware_cb()
831 	write_reg(vpdma, VPDMA_LIST_ADDR, (u32) fw_dma_buf.dma_addr);  in vpdma_firmware_cb()
836 		if (read_field_reg(vpdma, VPDMA_LIST_ATTR, VPDMA_LIST_RDY_MASK,  in vpdma_firmware_cb()
842 		dev_err(&vpdma->pdev->dev, "firmware upload failed\n");  in vpdma_firmware_cb()
846 	vpdma->cb(vpdma->pdev);  in vpdma_firmware_cb()
849 	vpdma_unmap_desc_buf(vpdma, &fw_dma_buf);  in vpdma_firmware_cb()
856 static int vpdma_load_firmware(struct vpdma_data *vpdma)  in vpdma_load_firmware()  argument
859 	struct device *dev = &vpdma->pdev->dev;  in vpdma_load_firmware()
862 		(const char *) VPDMA_FIRMWARE, dev, GFP_KERNEL, vpdma,  in vpdma_load_firmware()
878 	struct vpdma_data *vpdma;  in vpdma_create()  local
883 	vpdma = devm_kzalloc(&pdev->dev, sizeof(*vpdma), GFP_KERNEL);  in vpdma_create()
884 	if (!vpdma) {  in vpdma_create()
889 	vpdma->pdev = pdev;  in vpdma_create()
890 	vpdma->cb = cb;  in vpdma_create()
898 	vpdma->base = devm_ioremap(&pdev->dev, res->start, resource_size(res));  in vpdma_create()
899 	if (!vpdma->base) {  in vpdma_create()
904 	r = vpdma_load_firmware(vpdma);  in vpdma_create()
910 	return vpdma;  in vpdma_create()