53 static inline u8 bcm_spi_readb(struct bcm63xx_spi *bs,  in bcm_spi_readb()  argument
56 	return bcm_readb(bs->regs + bcm63xx_spireg(offset));  in bcm_spi_readb()
59 static inline u16 bcm_spi_readw(struct bcm63xx_spi *bs,  in bcm_spi_readw()  argument
62 	return bcm_readw(bs->regs + bcm63xx_spireg(offset));  in bcm_spi_readw()
65 static inline void bcm_spi_writeb(struct bcm63xx_spi *bs,  in bcm_spi_writeb()  argument
68 	bcm_writeb(value, bs->regs + bcm63xx_spireg(offset));  in bcm_spi_writeb()
71 static inline void bcm_spi_writew(struct bcm63xx_spi *bs,  in bcm_spi_writew()  argument
74 	bcm_writew(value, bs->regs + bcm63xx_spireg(offset));  in bcm_spi_writew()
90 	struct bcm63xx_spi *bs = spi_master_get_devdata(spi->master);  in bcm63xx_spi_setup_transfer()  local
107 	reg = bcm_spi_readb(bs, SPI_CLK_CFG);  in bcm63xx_spi_setup_transfer()
111 	bcm_spi_writeb(bs, reg, SPI_CLK_CFG);  in bcm63xx_spi_setup_transfer()
122 	struct bcm63xx_spi *bs = spi_master_get_devdata(spi->master);  in bcm63xx_txrx_bufs()  local
132 	bcm_spi_writeb(bs, 0, SPI_INT_MASK);  in bcm63xx_txrx_bufs()
144 			memcpy_toio(bs->tx_io + len, t->tx_buf, t->len);  in bcm63xx_txrx_bufs()
164 	reinit_completion(&bs->done);  in bcm63xx_txrx_bufs()
170 		msg_ctl |= (SPI_FD_RW << bs->msg_type_shift);  in bcm63xx_txrx_bufs()
172 		msg_ctl |= (SPI_HD_R << bs->msg_type_shift);  in bcm63xx_txrx_bufs()
174 		msg_ctl |= (SPI_HD_W << bs->msg_type_shift);  in bcm63xx_txrx_bufs()
176 	switch (bs->msg_ctl_width) {  in bcm63xx_txrx_bufs()
178 		bcm_spi_writeb(bs, msg_ctl, SPI_MSG_CTL);  in bcm63xx_txrx_bufs()
181 		bcm_spi_writew(bs, msg_ctl, SPI_MSG_CTL);  in bcm63xx_txrx_bufs()
189 	bcm_spi_writew(bs, cmd, SPI_CMD);  in bcm63xx_txrx_bufs()
192 	bcm_spi_writeb(bs, SPI_INTR_CMD_DONE, SPI_INT_MASK);  in bcm63xx_txrx_bufs()
194 	timeout = wait_for_completion_timeout(&bs->done, HZ);  in bcm63xx_txrx_bufs()
206 			memcpy_fromio(t->rx_buf, bs->rx_io + len, t->len);  in bcm63xx_txrx_bufs()
221 	struct bcm63xx_spi *bs = spi_master_get_devdata(master);  in bcm63xx_spi_transfer_one()  local
249 		     total_len > (bs->fifo_size + BCM63XX_SPI_MAX_PREPEND)) ||  in bcm63xx_spi_transfer_one()
250 		    (!can_use_prepend && total_len > bs->fifo_size)) {  in bcm63xx_spi_transfer_one()
252 				total_len, bs->fifo_size);  in bcm63xx_spi_transfer_one()
302 	struct bcm63xx_spi *bs = spi_master_get_devdata(master);  in bcm63xx_spi_interrupt()  local
306 	intr = bcm_spi_readb(bs, SPI_INT_STATUS);  in bcm63xx_spi_interrupt()
307 	bcm_spi_writeb(bs, SPI_INTR_CLEAR_ALL, SPI_INT_STATUS);  in bcm63xx_spi_interrupt()
308 	bcm_spi_writeb(bs, 0, SPI_INT_MASK);  in bcm63xx_spi_interrupt()
312 		complete(&bs->done);  in bcm63xx_spi_interrupt()
326 	struct bcm63xx_spi *bs;  in bcm63xx_spi_probe()  local
341 	master = spi_alloc_master(dev, sizeof(*bs));  in bcm63xx_spi_probe()
347 	bs = spi_master_get_devdata(master);  in bcm63xx_spi_probe()
348 	init_completion(&bs->done);  in bcm63xx_spi_probe()
351 	bs->pdev = pdev;  in bcm63xx_spi_probe()
354 	bs->regs = devm_ioremap_resource(&pdev->dev, r);  in bcm63xx_spi_probe()
355 	if (IS_ERR(bs->regs)) {  in bcm63xx_spi_probe()
356 		ret = PTR_ERR(bs->regs);  in bcm63xx_spi_probe()
360 	bs->irq = irq;  in bcm63xx_spi_probe()
361 	bs->clk = clk;  in bcm63xx_spi_probe()
362 	bs->fifo_size = pdata->fifo_size;  in bcm63xx_spi_probe()
377 	bs->msg_type_shift = pdata->msg_type_shift;  in bcm63xx_spi_probe()
378 	bs->msg_ctl_width = pdata->msg_ctl_width;  in bcm63xx_spi_probe()
379 	bs->tx_io = (u8 *)(bs->regs + bcm63xx_spireg(SPI_MSG_DATA));  in bcm63xx_spi_probe()
380 	bs->rx_io = (const u8 *)(bs->regs + bcm63xx_spireg(SPI_RX_DATA));  in bcm63xx_spi_probe()
382 	switch (bs->msg_ctl_width) {  in bcm63xx_spi_probe()
388 			 bs->msg_ctl_width);  in bcm63xx_spi_probe()
393 	ret = clk_prepare_enable(bs->clk);  in bcm63xx_spi_probe()
397 	bcm_spi_writeb(bs, SPI_INTR_CLEAR_ALL, SPI_INT_STATUS);  in bcm63xx_spi_probe()
407 		 r->start, irq, bs->fifo_size);  in bcm63xx_spi_probe()
421 	struct bcm63xx_spi *bs = spi_master_get_devdata(master);  in bcm63xx_spi_remove()  local
424 	bcm_spi_writeb(bs, 0, SPI_INT_MASK);  in bcm63xx_spi_remove()
427 	clk_disable_unprepare(bs->clk);  in bcm63xx_spi_remove()
436 	struct bcm63xx_spi *bs = spi_master_get_devdata(master);  in bcm63xx_spi_suspend()  local
440 	clk_disable_unprepare(bs->clk);  in bcm63xx_spi_suspend()
448 	struct bcm63xx_spi *bs = spi_master_get_devdata(master);  in bcm63xx_spi_resume()  local
451 	ret = clk_prepare_enable(bs->clk);  in bcm63xx_spi_resume()