154 static inline u8 bcm_spi_readb(struct bcm63xx_spi *bs,  in bcm_spi_readb()  argument
157 	return readb(bs->regs + bs->reg_offsets[offset]);  in bcm_spi_readb()
160 static inline void bcm_spi_writeb(struct bcm63xx_spi *bs,  in bcm_spi_writeb()  argument
163 	writeb(value, bs->regs + bs->reg_offsets[offset]);  in bcm_spi_writeb()
166 static inline void bcm_spi_writew(struct bcm63xx_spi *bs,  in bcm_spi_writew()  argument
170 	iowrite16be(value, bs->regs + bs->reg_offsets[offset]);  in bcm_spi_writew()
172 	writew(value, bs->regs + bs->reg_offsets[offset]);  in bcm_spi_writew()
189 	struct bcm63xx_spi *bs = spi_controller_get_devdata(spi->controller);  in bcm63xx_spi_setup_transfer()  local
205 	reg = bcm_spi_readb(bs, SPI_CLK_CFG);  in bcm63xx_spi_setup_transfer()
209 	bcm_spi_writeb(bs, reg, SPI_CLK_CFG);  in bcm63xx_spi_setup_transfer()
220 	struct bcm63xx_spi *bs = spi_controller_get_devdata(spi->controller);  in bcm63xx_txrx_bufs()  local
229 	bcm_spi_writeb(bs, 0, SPI_INT_MASK);  in bcm63xx_txrx_bufs()
241 			memcpy_toio(bs->tx_io + len, t->tx_buf, t->len);  in bcm63xx_txrx_bufs()
261 	reinit_completion(&bs->done);  in bcm63xx_txrx_bufs()
267 		msg_ctl |= (SPI_FD_RW << bs->msg_type_shift);  in bcm63xx_txrx_bufs()
269 		msg_ctl |= (SPI_HD_R << bs->msg_type_shift);  in bcm63xx_txrx_bufs()
271 		msg_ctl |= (SPI_HD_W << bs->msg_type_shift);  in bcm63xx_txrx_bufs()
273 	switch (bs->msg_ctl_width) {  in bcm63xx_txrx_bufs()
275 		bcm_spi_writeb(bs, msg_ctl, SPI_MSG_CTL);  in bcm63xx_txrx_bufs()
278 		bcm_spi_writew(bs, msg_ctl, SPI_MSG_CTL);  in bcm63xx_txrx_bufs()
286 	bcm_spi_writew(bs, cmd, SPI_CMD);  in bcm63xx_txrx_bufs()
289 	bcm_spi_writeb(bs, SPI_INTR_CMD_DONE, SPI_INT_MASK);  in bcm63xx_txrx_bufs()
291 	timeout = wait_for_completion_timeout(&bs->done, HZ);  in bcm63xx_txrx_bufs()
303 			memcpy_fromio(t->rx_buf, bs->rx_io + len, t->len);  in bcm63xx_txrx_bufs()
318 	struct bcm63xx_spi *bs = spi_controller_get_devdata(host);  in bcm63xx_spi_transfer_one()  local
346 		     total_len > (bs->fifo_size + BCM63XX_SPI_MAX_PREPEND)) ||  in bcm63xx_spi_transfer_one()
347 		    (!can_use_prepend && total_len > bs->fifo_size)) {  in bcm63xx_spi_transfer_one()
349 				total_len, bs->fifo_size);  in bcm63xx_spi_transfer_one()
399 	struct bcm63xx_spi *bs = spi_controller_get_devdata(host);  in bcm63xx_spi_interrupt()  local
403 	intr = bcm_spi_readb(bs, SPI_INT_STATUS);  in bcm63xx_spi_interrupt()
404 	bcm_spi_writeb(bs, SPI_INTR_CLEAR_ALL, SPI_INT_STATUS);  in bcm63xx_spi_interrupt()
405 	bcm_spi_writeb(bs, 0, SPI_INT_MASK);  in bcm63xx_spi_interrupt()
409 		complete(&bs->done);  in bcm63xx_spi_interrupt()
416 	struct bcm63xx_spi *bs = spi_controller_get_devdata(spi->controller);  in bcm63xx_spi_max_length()  local
418 	return bs->fifo_size;  in bcm63xx_spi_max_length()
484 	struct bcm63xx_spi *bs;  in bcm63xx_spi_probe()  local
528 	host = spi_alloc_host(dev, sizeof(*bs));  in bcm63xx_spi_probe()
534 	bs = spi_controller_get_devdata(host);  in bcm63xx_spi_probe()
535 	init_completion(&bs->done);  in bcm63xx_spi_probe()
538 	bs->pdev = pdev;  in bcm63xx_spi_probe()
540 	bs->regs = devm_platform_get_and_ioremap_resource(pdev, 0, &r);  in bcm63xx_spi_probe()
541 	if (IS_ERR(bs->regs)) {  in bcm63xx_spi_probe()
542 		ret = PTR_ERR(bs->regs);  in bcm63xx_spi_probe()
546 	bs->irq = irq;  in bcm63xx_spi_probe()
547 	bs->clk = clk;  in bcm63xx_spi_probe()
548 	bs->reg_offsets = bcm63xx_spireg;  in bcm63xx_spi_probe()
549 	bs->fifo_size = bs->reg_offsets[SPI_MSG_DATA_SIZE];  in bcm63xx_spi_probe()
567 	bs->msg_type_shift = bs->reg_offsets[SPI_MSG_TYPE_SHIFT];  in bcm63xx_spi_probe()
568 	bs->msg_ctl_width = bs->reg_offsets[SPI_MSG_CTL_WIDTH];  in bcm63xx_spi_probe()
569 	bs->tx_io = (u8 *)(bs->regs + bs->reg_offsets[SPI_MSG_DATA]);  in bcm63xx_spi_probe()
570 	bs->rx_io = (const u8 *)(bs->regs + bs->reg_offsets[SPI_RX_DATA]);  in bcm63xx_spi_probe()
573 	ret = clk_prepare_enable(bs->clk);  in bcm63xx_spi_probe()
583 	bcm_spi_writeb(bs, SPI_INTR_CLEAR_ALL, SPI_INT_STATUS);  in bcm63xx_spi_probe()
595 		 r, irq, bs->fifo_size);  in bcm63xx_spi_probe()
611 	struct bcm63xx_spi *bs = spi_controller_get_devdata(host);  in bcm63xx_spi_remove()  local
614 	bcm_spi_writeb(bs, 0, SPI_INT_MASK);  in bcm63xx_spi_remove()
617 	clk_disable_unprepare(bs->clk);  in bcm63xx_spi_remove()
623 	struct bcm63xx_spi *bs = spi_controller_get_devdata(host);  in bcm63xx_spi_suspend()  local
627 	clk_disable_unprepare(bs->clk);  in bcm63xx_spi_suspend()
635 	struct bcm63xx_spi *bs = spi_controller_get_devdata(host);  in bcm63xx_spi_resume()  local
638 	ret = clk_prepare_enable(bs->clk);  in bcm63xx_spi_resume()