V4L/DVB (13795): [Mantis/Hopper] Code overhaul, add Hopper devices into the PCI ID list

Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 99 insertions, 211 deletions

diff --git a/drivers/media/dvb/mantis/mantis_pci.c b/drivers/media/dvb/mantis/mantis_pci.c
index d1eac4083fcc..5165a390e07a 100644
--- a/drivers/media/dvb/mantis/mantis_pci.c
+++ b/drivers/media/dvb/mantis/mantis_pci.c
@@ -18,6 +18,9 @@
 	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
 
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/kernel.h>
 #include <asm/io.h>
 #include <asm/pgtable.h>
 #include <asm/page.h>
@@ -25,264 +28,149 @@
 #include <linux/vmalloc.h>
 #include <linux/init.h>
 #include <linux/device.h>
-#include "mantis_common.h"
-#include "mantis_core.h"
-#include "mantis_uart.h"
+#include <linux/pci.h>
 
 #include <asm/irq.h>
 #include <linux/signal.h>
 #include <linux/sched.h>
 #include <linux/interrupt.h>
 
-unsigned int verbose = 1;
-module_param(verbose, int, 0644);
-MODULE_PARM_DESC(verbose, "verbose startup messages, default is 1 (yes)");
-
-unsigned int devs;
-
-#define PCI_VENDOR_ID_MANTIS			0x1822
-#define PCI_DEVICE_ID_MANTIS_R11		0x4e35
-#define DRIVER_NAME				"Mantis"
-
-static struct pci_device_id mantis_pci_table[] = {
-	{ PCI_DEVICE(PCI_VENDOR_ID_MANTIS, PCI_DEVICE_ID_MANTIS_R11) },
-	{ 0 },
-};
-
-MODULE_DEVICE_TABLE(pci, mantis_pci_table);
-
-static irqreturn_t mantis_pci_irq(int irq, void *dev_id)
-{
-	u32 stat = 0, mask = 0, lstat = 0, mstat = 0;
-	u32 rst_stat = 0, rst_mask = 0;
+#include "dmxdev.h"
+#include "dvbdev.h"
+#include "dvb_demux.h"
+#include "dvb_frontend.h"
+#include "dvb_net.h"
 
-	struct mantis_pci *mantis;
-	struct mantis_ca *ca;
+#include <asm/irq.h>
+#include <linux/signal.h>
+#include <linux/sched.h>
+#include <linux/interrupt.h>
 
-	mantis = (struct mantis_pci *) dev_id;
-	if (unlikely(mantis == NULL)) {
-		dprintk(verbose, MANTIS_ERROR, 1, "Mantis == NULL");
-		return IRQ_NONE;
-	}
-	ca = mantis->mantis_ca;
-
-	stat = mmread(MANTIS_INT_STAT);
-	mask = mmread(MANTIS_INT_MASK);
-	mstat = lstat = stat & ~MANTIS_INT_RISCSTAT;
-	if (!(stat & mask))
-		return IRQ_NONE;
-
-	rst_mask  = MANTIS_GPIF_WRACK  |
-		    MANTIS_GPIF_OTHERR |
-		    MANTIS_SBUF_WSTO   |
-		    MANTIS_GPIF_EXTIRQ;
-
-	rst_stat  = mmread(MANTIS_GPIF_STATUS);
-	rst_stat &= rst_mask;
-	mmwrite(rst_stat, MANTIS_GPIF_STATUS);
-
-	mantis->mantis_int_stat = stat;
-	mantis->mantis_int_mask = mask;
-	dprintk(verbose, MANTIS_DEBUG, 0, "=== Interrupts[%04x/%04x]= [", stat, mask);
-	if (stat & MANTIS_INT_RISCEN) {
-		dprintk(verbose, MANTIS_DEBUG, 0, "* DMA enabl *");
-	}
-	if (stat & MANTIS_INT_IRQ0) {
-		dprintk(verbose, MANTIS_DEBUG, 0, "* INT IRQ-0 *");
-		mantis->gpif_status = rst_stat;
-		wake_up(&ca->hif_write_wq);
-		schedule_work(&ca->hif_evm_work);
-	}
-	if (stat & MANTIS_INT_IRQ1) {
-		dprintk(verbose, MANTIS_DEBUG, 0, "* INT IRQ-1 *");
-		schedule_work(&mantis->uart_work);
-	}
-	if (stat & MANTIS_INT_OCERR) {
-		dprintk(verbose, MANTIS_DEBUG, 0, "* INT OCERR *");
-	}
-	if (stat & MANTIS_INT_PABORT) {
-		dprintk(verbose, MANTIS_DEBUG, 0, "* INT PABRT *");
-	}
-	if (stat & MANTIS_INT_RIPERR) {
-		dprintk(verbose, MANTIS_DEBUG, 0, "* INT RIPRR *");
-	}
-	if (stat & MANTIS_INT_PPERR) {
-		dprintk(verbose, MANTIS_DEBUG, 0, "* INT PPERR *");
-	}
-	if (stat & MANTIS_INT_FTRGT) {
-		dprintk(verbose, MANTIS_DEBUG, 0, "* INT FTRGT *");
-	}
-	if (stat & MANTIS_INT_RISCI) {
-		dprintk(verbose, MANTIS_DEBUG, 0, "* INT RISCI *");
-		mantis->finished_block = (stat & MANTIS_INT_RISCSTAT) >> 28;
-		tasklet_schedule(&mantis->tasklet);
-	}
-	if (stat & MANTIS_INT_I2CDONE) {
-		dprintk(verbose, MANTIS_DEBUG, 0, "* I2C DONE  *");
-		wake_up(&mantis->i2c_wq);
-	}
-	mmwrite(stat, MANTIS_INT_STAT);
-	stat &= ~(MANTIS_INT_RISCEN   | MANTIS_INT_I2CDONE |
-		  MANTIS_INT_I2CRACK  | MANTIS_INT_PCMCIA7 |
-		  MANTIS_INT_PCMCIA6  | MANTIS_INT_PCMCIA5 |
-		  MANTIS_INT_PCMCIA4  | MANTIS_INT_PCMCIA3 |
-		  MANTIS_INT_PCMCIA2  | MANTIS_INT_PCMCIA1 |
-		  MANTIS_INT_PCMCIA0  | MANTIS_INT_IRQ1	   |
-		  MANTIS_INT_IRQ0     | MANTIS_INT_OCERR   |
-		  MANTIS_INT_PABORT   | MANTIS_INT_RIPERR  |
-		  MANTIS_INT_PPERR    | MANTIS_INT_FTRGT   |
-		  MANTIS_INT_RISCI);
-
-	if (stat)
-		dprintk(verbose, MANTIS_DEBUG, 0, "* Unknown [%04x] *", stat);
-
-	dprintk(verbose, MANTIS_DEBUG, 0, "] ===\n");
-
-	return IRQ_HANDLED;
-}
+#include "mantis_common.h"
+#include "mantis_reg.h"
+#include "mantis_pci.h"
 
+#define DRIVER_NAME		"Mantis Core"
 
-static int __devinit mantis_pci_probe(struct pci_dev *pdev,
-				      const struct pci_device_id *mantis_pci_table)
+int __devinit mantis_pci_init(struct mantis_pci *mantis)
 {
 	u8 revision, latency;
-	struct mantis_pci *mantis;
-	int ret = 0;
+	struct mantis_hwconfig *config	= mantis->hwconfig;
+	struct pci_dev *pdev		= mantis->pdev;
+	int err, ret = 0;
+
+	dprintk(MANTIS_ERROR, 0, "found a %s PCI %s device on (%02x:%02x.%x),\n",
+		config->model_name,
+		config->dev_type,
+		mantis->pdev->bus->number,
+		PCI_SLOT(mantis->pdev->devfn),
+		PCI_FUNC(mantis->pdev->devfn));
+
+	err = pci_enable_device(pdev);
+	if (err != 0) {
+		ret = -ENODEV;
+		dprintk(MANTIS_ERROR, 1, "ERROR: PCI enable failed <%i>", err);
+		goto fail0;
+	}
 
-	mantis = kmalloc(sizeof (struct mantis_pci), GFP_KERNEL);
-	if (mantis == NULL) {
-		printk("%s: Out of memory\n", __func__);
+	err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
+	if (err != 0) {
+		dprintk(MANTIS_ERROR, 1, "ERROR: Unable to obtain 32 bit DMA <%i>", err);
 		ret = -ENOMEM;
-		goto err;
+		goto fail1;
 	}
-	memset(mantis, 0, sizeof (struct mantis_pci));
-	mantis->num = devs;
-	devs++;
 
-	if (pci_enable_device(pdev)) {
-		dprintk(verbose, MANTIS_ERROR, 1, "Mantis PCI enable failed");
-		ret = -ENODEV;
-		goto err;
-	}
-	mantis->mantis_addr = pci_resource_start(pdev, 0);
-	if (!request_mem_region(pci_resource_start(pdev, 0),
-			pci_resource_len(pdev, 0), DRIVER_NAME)) {
-		ret = -ENODEV;
-		goto err0;
-	}
+	pci_set_master(pdev);
 
-	mantis->mantis_mmio = ioremap(pci_resource_start(pdev, 0),
-				      pci_resource_len(pdev, 0));
+	if (!request_mem_region(pci_resource_start(pdev, 0),
+				pci_resource_len(pdev, 0),
+				DRIVER_NAME)) {
 
-	if (!mantis->mantis_mmio) {
-		dprintk(verbose, MANTIS_ERROR, 1, "IO remap failed");
+		dprintk(MANTIS_ERROR, 1, "ERROR: BAR0 Request failed !");
 		ret = -ENODEV;
-		goto err1;
+		goto fail1;
 	}
 
-	// Clear and disable all interrupts at startup
-	// to avoid lockup situations
-	mmwrite(0x00, MANTIS_INT_MASK);
-	if (request_irq(pdev->irq,
-			mantis_pci_irq,
-			IRQF_SHARED,
-			DRIVER_NAME,
-			mantis) < 0) {
+	mantis->mmio = ioremap(pci_resource_start(pdev, 0),
+			       pci_resource_len(pdev, 0));
 
-		dprintk(verbose, MANTIS_ERROR, 1, "Mantis IRQ reg failed");
+	if (!mantis->mmio) {
+		dprintk(MANTIS_ERROR, 1, "ERROR: BAR0 remap failed !");
 		ret = -ENODEV;
-		goto err2;
+		goto fail2;
 	}
-	pci_set_master(pdev);
-	pci_set_drvdata(pdev, mantis);
+
 	pci_read_config_byte(pdev, PCI_LATENCY_TIMER, &latency);
 	pci_read_config_byte(pdev, PCI_CLASS_REVISION, &revision);
 	mantis->latency = latency;
 	mantis->revision = revision;
-	mantis->pdev = pdev;
-	mantis->subsystem_vendor = pdev->subsystem_vendor;
-	mantis->subsystem_device = pdev->subsystem_device;
-	init_waitqueue_head(&mantis->i2c_wq);
 
-	mantis_set_direction(mantis, 0); /* CAM bypass */
+	dprintk(MANTIS_ERROR, 0, "    Mantis Rev %d [%04x:%04x], ",
+		mantis->revision,
+		mantis->pdev->subsystem_vendor,
+		mantis->pdev->subsystem_device);
+
+	dprintk(MANTIS_ERROR, 0,
+		"irq: %d, latency: %d\n    memory: 0x%lx, mmio: 0x%p\n",
+		mantis->pdev->irq,
+		mantis->latency,
+		mantis->mantis_addr,
+		mantis->mmio);
 
-	if (!latency)
-		pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 32);
+	err = request_irq(pdev->irq,
+			  config->irq_handler,
+			  IRQF_SHARED,
+			  DRIVER_NAME,
+			  mantis);
 
-	dprintk(verbose, MANTIS_ERROR, 0,
-		"irq: %d, latency: %d\n memory: 0x%lx, mmio: 0x%p\n",
-		pdev->irq, mantis->latency,
-		mantis->mantis_addr, mantis->mantis_mmio);
+	if (err != 0) {
 
-	// No more PCI specific stuff !
-	if (mantis_core_init(mantis) < 0) {
-		dprintk(verbose, MANTIS_ERROR, 1, "Mantis core init failed");
+		dprintk(MANTIS_ERROR, 1, "ERROR: IRQ registration failed ! <%d>", err);
 		ret = -ENODEV;
-		goto err2;
+		goto fail3;
 	}
 
-	return 0;
+	pci_set_drvdata(pdev, mantis);
+	return ret;
 
-	// Error conditions ..
-err2:
-	dprintk(verbose, MANTIS_DEBUG, 1, "Err: IO Unmap");
-	if (mantis->mantis_mmio)
-		iounmap(mantis->mantis_mmio);
-err1:
-	dprintk(verbose, MANTIS_DEBUG, 1, "Err: Release regions");
+	/* Error conditions */
+fail3:
+	dprintk(MANTIS_ERROR, 1, "ERROR: <%d> I/O unmap", ret);
+	if (mantis->mmio)
+		iounmap(mantis->mmio);
+
+fail2:
+	dprintk(MANTIS_ERROR, 1, "ERROR: <%d> releasing regions", ret);
 	release_mem_region(pci_resource_start(pdev, 0),
-				pci_resource_len(pdev, 0));
+			   pci_resource_len(pdev, 0));
+
+fail1:
+	dprintk(MANTIS_ERROR, 1, "ERROR: <%d> disabling device", ret);
 	pci_disable_device(pdev);
-err0:
-	dprintk(verbose, MANTIS_DEBUG, 1, "Err: Free");
-	kfree(mantis);
-err:
-	dprintk(verbose, MANTIS_DEBUG, 1, "Err:");
+
+fail0:
+	dprintk(MANTIS_ERROR, 1, "ERROR: <%d> exiting", ret);
+	pci_set_drvdata(pdev, NULL);
 	return ret;
 }
+EXPORT_SYMBOL_GPL(mantis_pci_init);
 
-static void __devexit mantis_pci_remove(struct pci_dev *pdev)
+void __devexit mantis_pci_exit(struct mantis_pci *mantis)
 {
-	struct mantis_pci *mantis = pci_get_drvdata(pdev);
-
-	if (mantis == NULL) {
-		dprintk(verbose, MANTIS_ERROR, 1, "Aeio, Mantis NULL ptr");
-		return;
-	}
-	mantis_core_exit(mantis);
-	dprintk(verbose, MANTIS_ERROR, 1, "Removing -->Mantis irq: %d, latency: %d\n memory: 0x%lx, mmio: 0x%p",
-		pdev->irq, mantis->latency, mantis->mantis_addr,
-		mantis->mantis_mmio);
+	struct pci_dev *pdev = mantis->pdev;
 
+	dprintk(MANTIS_NOTICE, 1, " mem: 0x%p", mantis->mmio);
 	free_irq(pdev->irq, mantis);
-	pci_release_regions(pdev);
-	if (mantis_dma_exit(mantis) < 0)
-		dprintk(verbose, MANTIS_ERROR, 1, "DMA exit failed");
+	if (mantis->mmio) {
+		iounmap(mantis->mmio);
+		release_mem_region(pci_resource_start(pdev, 0),
+				   pci_resource_len(pdev, 0));
+	}
 
-	pci_set_drvdata(pdev, NULL);
 	pci_disable_device(pdev);
-	kfree(mantis);
-}
-
-static struct pci_driver mantis_pci_driver = {
-	.name = DRIVER_NAME,
-	.id_table = mantis_pci_table,
-	.probe = mantis_pci_probe,
-	.remove = mantis_pci_remove,
-};
-
-static int __devinit mantis_pci_init(void)
-{
-	return pci_register_driver(&mantis_pci_driver);
-}
-
-static void __devexit mantis_pci_exit(void)
-{
-	pci_unregister_driver(&mantis_pci_driver);
+	pci_set_drvdata(pdev, NULL);
 }
-
-module_init(mantis_pci_init);
-module_exit(mantis_pci_exit);
+EXPORT_SYMBOL_GPL(mantis_pci_exit);
 
 MODULE_DESCRIPTION("Mantis PCI DTV bridge driver");
 MODULE_AUTHOR("Manu Abraham");