Lines Matching defs:mcspi
30 #include <linux/platform_data/spi-omap2-mcspi.h>
147 struct omap2_mcspi *mcspi = spi_master_get_devdata(master);
149 writel_relaxed(val, mcspi->base + idx);
154 struct omap2_mcspi *mcspi = spi_master_get_devdata(master);
156 return readl_relaxed(mcspi->base + idx);
238 struct omap2_mcspi *mcspi = spi_master_get_devdata(spi->master);
249 int err = pm_runtime_get_sync(mcspi->dev);
251 pm_runtime_put_noidle(mcspi->dev);
252 dev_err(mcspi->dev, "failed to get sync: %d\n", err);
265 pm_runtime_mark_last_busy(mcspi->dev);
266 pm_runtime_put_autosuspend(mcspi->dev);
272 struct omap2_mcspi *mcspi = spi_master_get_devdata(master);
273 struct omap2_mcspi_regs *ctx = &mcspi->ctx;
297 struct omap2_mcspi *mcspi;
302 mcspi = spi_master_get_devdata(master);
332 mcspi->fifo_depth = max_fifo_depth;
345 mcspi->fifo_depth = 0;
365 static int mcspi_wait_for_completion(struct omap2_mcspi *mcspi,
368 if (spi_controller_is_slave(mcspi->master)) {
370 mcspi->slave_aborted)
382 struct omap2_mcspi *mcspi = spi_master_get_devdata(spi->master);
383 struct omap2_mcspi_dma *mcspi_dma = &mcspi->dma_channels[spi->chip_select];
394 struct omap2_mcspi *mcspi = spi_master_get_devdata(spi->master);
395 struct omap2_mcspi_dma *mcspi_dma = &mcspi->dma_channels[spi->chip_select];
407 struct omap2_mcspi *mcspi;
411 mcspi = spi_master_get_devdata(spi->master);
412 mcspi_dma = &mcspi->dma_channels[spi->chip_select];
436 struct omap2_mcspi *mcspi;
449 mcspi = spi_master_get_devdata(spi->master);
450 mcspi_dma = &mcspi->dma_channels[spi->chip_select];
458 if (mcspi->fifo_depth == 0)
478 if ((l & OMAP2_MCSPI_CHCONF_TURBO) && mcspi->fifo_depth == 0)
517 ret = mcspi_wait_for_completion(mcspi, &mcspi_dma->dma_rx_completion);
518 if (ret || mcspi->slave_aborted) {
527 if (mcspi->fifo_depth > 0)
581 struct omap2_mcspi *mcspi;
594 mcspi = spi_master_get_devdata(spi->master);
595 mcspi_dma = &mcspi->dma_channels[spi->chip_select];
621 mcspi->slave_aborted = false;
624 reinit_completion(&mcspi->txdone);
640 ret = mcspi_wait_for_completion(mcspi, &mcspi_dma->dma_tx_completion);
641 if (ret || mcspi->slave_aborted) {
647 if (spi_controller_is_slave(mcspi->master)) {
648 ret = mcspi_wait_for_completion(mcspi, &mcspi->txdone);
649 if (ret || mcspi->slave_aborted)
653 if (mcspi->fifo_depth > 0) {
654 irqstat_reg = mcspi->base + OMAP2_MCSPI_IRQSTATUS;
660 mcspi_write_reg(mcspi->master, OMAP2_MCSPI_IRQSTATUS,
667 if (mcspi->fifo_depth > 0) {
894 struct omap2_mcspi *mcspi;
899 mcspi = spi_master_get_devdata(spi->master);
927 if (mcspi->pin_dir == MCSPI_PINDIR_D0_IN_D1_OUT) {
986 static int omap2_mcspi_request_dma(struct omap2_mcspi *mcspi,
991 mcspi_dma->dma_rx = dma_request_chan(mcspi->dev,
999 mcspi_dma->dma_tx = dma_request_chan(mcspi->dev,
1017 struct omap2_mcspi *mcspi = spi_master_get_devdata(master);
1022 mcspi_dma = &mcspi->dma_channels[i];
1052 struct omap2_mcspi *mcspi = spi_master_get_devdata(spi->master);
1053 struct omap2_mcspi_regs *ctx = &mcspi->ctx;
1060 cs->base = mcspi->base + spi->chip_select * 0x14;
1061 cs->phys = mcspi->phys + spi->chip_select * 0x14;
1071 ret = pm_runtime_get_sync(mcspi->dev);
1073 pm_runtime_put_noidle(mcspi->dev);
1084 pm_runtime_mark_last_busy(mcspi->dev);
1085 pm_runtime_put_autosuspend(mcspi->dev);
1092 struct omap2_mcspi *mcspi = data;
1095 irqstat = mcspi_read_reg(mcspi->master, OMAP2_MCSPI_IRQSTATUS);
1100 mcspi_write_reg(mcspi->master, OMAP2_MCSPI_IRQENABLE, 0);
1102 complete(&mcspi->txdone);
1109 struct omap2_mcspi *mcspi = spi_master_get_devdata(master);
1110 struct omap2_mcspi_dma *mcspi_dma = mcspi->dma_channels;
1112 mcspi->slave_aborted = true;
1115 complete(&mcspi->txdone);
1132 struct omap2_mcspi *mcspi;
1140 mcspi = spi_master_get_devdata(master);
1141 mcspi_dma = mcspi->dma_channels + spi->chip_select;
1172 chconf = mcspi->ctx.modulctrl;
1175 mcspi->ctx.modulctrl =
1226 if (mcspi->fifo_depth > 0)
1237 chconf = mcspi->ctx.modulctrl;
1240 mcspi->ctx.modulctrl =
1249 if (mcspi->fifo_depth > 0 && t)
1258 struct omap2_mcspi *mcspi = spi_master_get_devdata(master);
1259 struct omap2_mcspi_regs *ctx = &mcspi->ctx;
1286 struct omap2_mcspi *mcspi = spi_master_get_devdata(spi->master);
1288 &mcspi->dma_channels[spi->chip_select];
1304 struct omap2_mcspi *mcspi = spi_master_get_devdata(spi->master);
1306 &mcspi->dma_channels[spi->chip_select];
1308 if (mcspi->max_xfer_len && mcspi_dma->dma_rx)
1309 return mcspi->max_xfer_len;
1314 static int omap2_mcspi_controller_setup(struct omap2_mcspi *mcspi)
1316 struct spi_master *master = mcspi->master;
1317 struct omap2_mcspi_regs *ctx = &mcspi->ctx;
1320 ret = pm_runtime_get_sync(mcspi->dev);
1322 pm_runtime_put_noidle(mcspi->dev);
1332 pm_runtime_mark_last_busy(mcspi->dev);
1333 pm_runtime_put_autosuspend(mcspi->dev);
1345 struct omap2_mcspi *mcspi = spi_master_get_devdata(master);
1346 struct omap2_mcspi_regs *ctx = &mcspi->ctx;
1389 .compatible = "ti,omap2-mcspi",
1393 .compatible = "ti,omap4-mcspi",
1397 .compatible = "ti,am654-mcspi",
1408 struct omap2_mcspi *mcspi;
1416 master = spi_alloc_slave(&pdev->dev, sizeof(*mcspi));
1418 master = spi_alloc_master(&pdev->dev, sizeof(*mcspi));
1440 mcspi = spi_master_get_devdata(master);
1441 mcspi->master = master;
1451 mcspi->pin_dir = MCSPI_PINDIR_D0_OUT_D1_IN;
1455 mcspi->pin_dir = pdata->pin_dir;
1459 mcspi->max_xfer_len = pdata->max_xfer_len;
1464 mcspi->base = devm_ioremap_resource(&pdev->dev, r);
1465 if (IS_ERR(mcspi->base)) {
1466 status = PTR_ERR(mcspi->base);
1469 mcspi->phys = r->start + regs_offset;
1470 mcspi->base += regs_offset;
1472 mcspi->dev = &pdev->dev;
1474 INIT_LIST_HEAD(&mcspi->ctx.cs);
1476 mcspi->dma_channels = devm_kcalloc(&pdev->dev, master->num_chipselect,
1479 if (mcspi->dma_channels == NULL) {
1485 sprintf(mcspi->dma_channels[i].dma_rx_ch_name, "rx%d", i);
1486 sprintf(mcspi->dma_channels[i].dma_tx_ch_name, "tx%d", i);
1488 status = omap2_mcspi_request_dma(mcspi,
1489 &mcspi->dma_channels[i]);
1501 init_completion(&mcspi->txdone);
1504 mcspi);
1514 status = omap2_mcspi_controller_setup(mcspi);
1537 struct omap2_mcspi *mcspi = spi_master_get_devdata(master);
1541 pm_runtime_dont_use_autosuspend(mcspi->dev);
1542 pm_runtime_put_sync(mcspi->dev);
1554 struct omap2_mcspi *mcspi = spi_master_get_devdata(master);
1559 dev_warn(mcspi->dev, "%s: failed to set pins: %i\n",
1564 dev_warn(mcspi->dev, "%s: master suspend failed: %i\n",
1573 struct omap2_mcspi *mcspi = spi_master_get_devdata(master);
1578 dev_warn(mcspi->dev, "%s: failed to set pins: %i\n",
1583 dev_warn(mcspi->dev, "%s: master resume failed: %i\n",