161 static inline u8 bcm_spi_readb(struct bcm63xx_spi *bs,  in bcm_spi_readb()  argument
164 	return readb(bs->regs + bs->reg_offsets[offset]);  in bcm_spi_readb()
167 static inline u16 bcm_spi_readw(struct bcm63xx_spi *bs,  in bcm_spi_readw()  argument
171 	return ioread16be(bs->regs + bs->reg_offsets[offset]);  in bcm_spi_readw()
173 	return readw(bs->regs + bs->reg_offsets[offset]);  in bcm_spi_readw()
177 static inline void bcm_spi_writeb(struct bcm63xx_spi *bs,  in bcm_spi_writeb()  argument
180 	writeb(value, bs->regs + bs->reg_offsets[offset]);  in bcm_spi_writeb()
183 static inline void bcm_spi_writew(struct bcm63xx_spi *bs,  in bcm_spi_writew()  argument
187 	iowrite16be(value, bs->regs + bs->reg_offsets[offset]);  in bcm_spi_writew()
189 	writew(value, bs->regs + bs->reg_offsets[offset]);  in bcm_spi_writew()
206 	struct bcm63xx_spi *bs = spi_master_get_devdata(spi->master);  in bcm63xx_spi_setup_transfer()  local
223 	reg = bcm_spi_readb(bs, SPI_CLK_CFG);  in bcm63xx_spi_setup_transfer()
227 	bcm_spi_writeb(bs, reg, SPI_CLK_CFG);  in bcm63xx_spi_setup_transfer()
238 	struct bcm63xx_spi *bs = spi_master_get_devdata(spi->master);  in bcm63xx_txrx_bufs()  local
247 	bcm_spi_writeb(bs, 0, SPI_INT_MASK);  in bcm63xx_txrx_bufs()
259 			memcpy_toio(bs->tx_io + len, t->tx_buf, t->len);  in bcm63xx_txrx_bufs()
279 	reinit_completion(&bs->done);  in bcm63xx_txrx_bufs()
285 		msg_ctl |= (SPI_FD_RW << bs->msg_type_shift);  in bcm63xx_txrx_bufs()
287 		msg_ctl |= (SPI_HD_R << bs->msg_type_shift);  in bcm63xx_txrx_bufs()
289 		msg_ctl |= (SPI_HD_W << bs->msg_type_shift);  in bcm63xx_txrx_bufs()
291 	switch (bs->msg_ctl_width) {  in bcm63xx_txrx_bufs()
293 		bcm_spi_writeb(bs, msg_ctl, SPI_MSG_CTL);  in bcm63xx_txrx_bufs()
296 		bcm_spi_writew(bs, msg_ctl, SPI_MSG_CTL);  in bcm63xx_txrx_bufs()
304 	bcm_spi_writew(bs, cmd, SPI_CMD);  in bcm63xx_txrx_bufs()
307 	bcm_spi_writeb(bs, SPI_INTR_CMD_DONE, SPI_INT_MASK);  in bcm63xx_txrx_bufs()
309 	timeout = wait_for_completion_timeout(&bs->done, HZ);  in bcm63xx_txrx_bufs()
321 			memcpy_fromio(t->rx_buf, bs->rx_io + len, t->len);  in bcm63xx_txrx_bufs()
336 	struct bcm63xx_spi *bs = spi_master_get_devdata(master);  in bcm63xx_spi_transfer_one()  local
364 		     total_len > (bs->fifo_size + BCM63XX_SPI_MAX_PREPEND)) ||  in bcm63xx_spi_transfer_one()
365 		    (!can_use_prepend && total_len > bs->fifo_size)) {  in bcm63xx_spi_transfer_one()
367 				total_len, bs->fifo_size);  in bcm63xx_spi_transfer_one()
417 	struct bcm63xx_spi *bs = spi_master_get_devdata(master);  in bcm63xx_spi_interrupt()  local
421 	intr = bcm_spi_readb(bs, SPI_INT_STATUS);  in bcm63xx_spi_interrupt()
422 	bcm_spi_writeb(bs, SPI_INTR_CLEAR_ALL, SPI_INT_STATUS);  in bcm63xx_spi_interrupt()
423 	bcm_spi_writeb(bs, 0, SPI_INT_MASK);  in bcm63xx_spi_interrupt()
427 		complete(&bs->done);  in bcm63xx_spi_interrupt()
489 	struct bcm63xx_spi *bs;  in bcm63xx_spi_probe()  local
509 	master = spi_alloc_master(dev, sizeof(*bs));  in bcm63xx_spi_probe()
515 	bs = spi_master_get_devdata(master);  in bcm63xx_spi_probe()
516 	init_completion(&bs->done);  in bcm63xx_spi_probe()
519 	bs->pdev = pdev;  in bcm63xx_spi_probe()
522 	bs->regs = devm_ioremap_resource(&pdev->dev, r);  in bcm63xx_spi_probe()
523 	if (IS_ERR(bs->regs)) {  in bcm63xx_spi_probe()
524 		ret = PTR_ERR(bs->regs);  in bcm63xx_spi_probe()
528 	bs->irq = irq;  in bcm63xx_spi_probe()
529 	bs->clk = clk;  in bcm63xx_spi_probe()
530 	bs->reg_offsets = bcm63xx_spireg;  in bcm63xx_spi_probe()
531 	bs->fifo_size = bs->reg_offsets[SPI_MSG_DATA_SIZE];  in bcm63xx_spi_probe()
546 	bs->msg_type_shift = bs->reg_offsets[SPI_MSG_TYPE_SHIFT];  in bcm63xx_spi_probe()
547 	bs->msg_ctl_width = bs->reg_offsets[SPI_MSG_CTL_WIDTH];  in bcm63xx_spi_probe()
548 	bs->tx_io = (u8 *)(bs->regs + bs->reg_offsets[SPI_MSG_DATA]);  in bcm63xx_spi_probe()
549 	bs->rx_io = (const u8 *)(bs->regs + bs->reg_offsets[SPI_RX_DATA]);  in bcm63xx_spi_probe()
552 	ret = clk_prepare_enable(bs->clk);  in bcm63xx_spi_probe()
556 	bcm_spi_writeb(bs, SPI_INTR_CLEAR_ALL, SPI_INT_STATUS);  in bcm63xx_spi_probe()
566 		 r, irq, bs->fifo_size);  in bcm63xx_spi_probe()
580 	struct bcm63xx_spi *bs = spi_master_get_devdata(master);  in bcm63xx_spi_remove()  local
583 	bcm_spi_writeb(bs, 0, SPI_INT_MASK);  in bcm63xx_spi_remove()
586 	clk_disable_unprepare(bs->clk);  in bcm63xx_spi_remove()
595 	struct bcm63xx_spi *bs = spi_master_get_devdata(master);  in bcm63xx_spi_suspend()  local
599 	clk_disable_unprepare(bs->clk);  in bcm63xx_spi_suspend()
607 	struct bcm63xx_spi *bs = spi_master_get_devdata(master);  in bcm63xx_spi_resume()  local
610 	ret = clk_prepare_enable(bs->clk);  in bcm63xx_spi_resume()