1 // SPDX-License-Identifier: GPL-2.0-only
80 static void cs5536_program_dtc(ide_drive_t *drive, u8 tim)  in cs5536_program_dtc()  argument
82 	struct pci_dev *pdev = to_pci_dev(drive->hwif->dev);  in cs5536_program_dtc()
83 	int dshift = (drive->dn & 1) ? IDE_D1_SHIFT : IDE_D0_SHIFT;  in cs5536_program_dtc()
93  *	cs5536_cable_detect	-	detect cable type
103 	struct pci_dev *pdev = to_pci_dev(hwif->dev);  in cs5536_cable_detect()
115  *	cs5536_set_pio_mode		-	PIO timing setup
117  *	@drive: ATA device
120 static void cs5536_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)  in cs5536_set_pio_mode()  argument
134 	struct pci_dev *pdev = to_pci_dev(hwif->dev);  in cs5536_set_pio_mode()
135 	ide_drive_t *pair = ide_get_pair_dev(drive);  in cs5536_set_pio_mode()
136 	int cshift = (drive->dn & 1) ? IDE_CAST_D1_SHIFT : IDE_CAST_D0_SHIFT;  in cs5536_set_pio_mode()
137 	unsigned long timings = (unsigned long)ide_get_drivedata(drive);  in cs5536_set_pio_mode()
139 	const u8 pio = drive->pio_mode - XFER_PIO_0;  in cs5536_set_pio_mode()
143 		cmd_pio = min_t(u8, pio, pair->pio_mode - XFER_PIO_0);  in cs5536_set_pio_mode()
147 	ide_set_drivedata(drive, (void *)timings);  in cs5536_set_pio_mode()
149 	cs5536_program_dtc(drive, drv_timings[pio]);  in cs5536_set_pio_mode()
163  *	cs5536_set_dma_mode		-	DMA timing setup
165  *	@drive: ATA device
168 static void cs5536_set_dma_mode(ide_hwif_t *hwif, ide_drive_t *drive)  in cs5536_set_dma_mode()  argument
178 	struct pci_dev *pdev = to_pci_dev(hwif->dev);  in cs5536_set_dma_mode()
179 	int dshift = (drive->dn & 1) ? IDE_D1_SHIFT : IDE_D0_SHIFT;  in cs5536_set_dma_mode()
180 	unsigned long timings = (unsigned long)ide_get_drivedata(drive);  in cs5536_set_dma_mode()
182 	const u8 mode = drive->dma_mode;  in cs5536_set_dma_mode()  local
186 	if (mode >= XFER_UDMA_0) {  in cs5536_set_dma_mode()
188 		etc |= udma_timings[mode - XFER_UDMA_0] << dshift;  in cs5536_set_dma_mode()
192 		timings |= mwdma_timings[mode - XFER_MW_DMA_0] << 8;  in cs5536_set_dma_mode()
193 		ide_set_drivedata(drive, (void *)timings);  in cs5536_set_dma_mode()
199 static void cs5536_dma_start(ide_drive_t *drive)  in cs5536_dma_start()  argument
201 	unsigned long timings = (unsigned long)ide_get_drivedata(drive);  in cs5536_dma_start()
203 	if (drive->current_speed < XFER_UDMA_0 &&  in cs5536_dma_start()
205 		cs5536_program_dtc(drive, timings >> 8);  in cs5536_dma_start()
207 	ide_dma_start(drive);  in cs5536_dma_start()
210 static int cs5536_dma_end(ide_drive_t *drive)  in cs5536_dma_end()  argument
212 	int ret = ide_dma_end(drive);  in cs5536_dma_end()
213 	unsigned long timings = (unsigned long)ide_get_drivedata(drive);  in cs5536_dma_end()
215 	if (drive->current_speed < XFER_UDMA_0 &&  in cs5536_dma_end()
217 		cs5536_program_dtc(drive, timings & IDE_DRV_MASK);  in cs5536_dma_end()
266 		return -ENODEV;  in cs5536_init_one()
289 MODULE_DESCRIPTION("low-level driver for the CS5536 IDE controller");