diff options
Diffstat (limited to 'drivers/media/dvb/mantis/hopper_cards.c')
| -rw-r--r-- | drivers/media/dvb/mantis/hopper_cards.c | 278 |
1 files changed, 278 insertions, 0 deletions
diff --git a/drivers/media/dvb/mantis/hopper_cards.c b/drivers/media/dvb/mantis/hopper_cards.c new file mode 100644 index 00000000..71622f65 --- /dev/null +++ b/drivers/media/dvb/mantis/hopper_cards.c @@ -0,0 +1,278 @@ +/* + Hopper PCI bridge driver + + Copyright (C) Manu Abraham (abraham.manu@gmail.com) + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/kernel.h> +#include <linux/pci.h> +#include <linux/slab.h> +#include <asm/irq.h> +#include <linux/interrupt.h> + +#include "dmxdev.h" +#include "dvbdev.h" +#include "dvb_demux.h" +#include "dvb_frontend.h" +#include "dvb_net.h" + +#include "mantis_common.h" +#include "hopper_vp3028.h" +#include "mantis_dma.h" +#include "mantis_dvb.h" +#include "mantis_uart.h" +#include "mantis_ioc.h" +#include "mantis_pci.h" +#include "mantis_i2c.h" +#include "mantis_reg.h" + +static unsigned int verbose; +module_param(verbose, int, 0644); +MODULE_PARM_DESC(verbose, "verbose startup messages, default is 0 (no)"); + +#define DRIVER_NAME "Hopper" + +static char *label[10] = { + "DMA", + "IRQ-0", + "IRQ-1", + "OCERR", + "PABRT", + "RIPRR", + "PPERR", + "FTRGT", + "RISCI", + "RACK" +}; + +static int devs; + +static irqreturn_t hopper_irq_handler(int irq, void *dev_id) +{ + u32 stat = 0, mask = 0, lstat = 0; + u32 rst_stat = 0, rst_mask = 0; + + struct mantis_pci *mantis; + struct mantis_ca *ca; + + mantis = (struct mantis_pci *) dev_id; + if (unlikely(mantis == NULL)) { + dprintk(MANTIS_ERROR, 1, "Mantis == NULL"); + return IRQ_NONE; + } + ca = mantis->mantis_ca; + + stat = mmread(MANTIS_INT_STAT); + mask = mmread(MANTIS_INT_MASK); + 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(MANTIS_DEBUG, 0, "\n-- Stat=<%02x> Mask=<%02x> --", stat, mask); + if (stat & MANTIS_INT_RISCEN) { + dprintk(MANTIS_DEBUG, 0, "<%s>", label[0]); + } + if (stat & MANTIS_INT_IRQ0) { + dprintk(MANTIS_DEBUG, 0, "<%s>", label[1]); + mantis->gpif_status = rst_stat; + wake_up(&ca->hif_write_wq); + schedule_work(&ca->hif_evm_work); + } + if (stat & MANTIS_INT_IRQ1) { + dprintk(MANTIS_DEBUG, 0, "<%s>", label[2]); + schedule_work(&mantis->uart_work); + } + if (stat & MANTIS_INT_OCERR) { + dprintk(MANTIS_DEBUG, 0, "<%s>", label[3]); + } + if (stat & MANTIS_INT_PABORT) { + dprintk(MANTIS_DEBUG, 0, "<%s>", label[4]); + } + if (stat & MANTIS_INT_RIPERR) { + dprintk(MANTIS_DEBUG, 0, "<%s>", label[5]); + } + if (stat & MANTIS_INT_PPERR) { + dprintk(MANTIS_DEBUG, 0, "<%s>", label[6]); + } + if (stat & MANTIS_INT_FTRGT) { + dprintk(MANTIS_DEBUG, 0, "<%s>", label[7]); + } + if (stat & MANTIS_INT_RISCI) { + dprintk(MANTIS_DEBUG, 0, "<%s>", label[8]); + mantis->busy_block = (stat & MANTIS_INT_RISCSTAT) >> 28; + tasklet_schedule(&mantis->tasklet); + } + if (stat & MANTIS_INT_I2CDONE) { + dprintk(MANTIS_DEBUG, 0, "<%s>", label[9]); + 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(MANTIS_DEBUG, 0, "<Unknown> Stat=<%02x> Mask=<%02x>", stat, mask); + + dprintk(MANTIS_DEBUG, 0, "\n"); + return IRQ_HANDLED; +} + +static int __devinit hopper_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pci_id) +{ + struct mantis_pci *mantis; + struct mantis_hwconfig *config; + int err = 0; + + mantis = kzalloc(sizeof(struct mantis_pci), GFP_KERNEL); + if (mantis == NULL) { + printk(KERN_ERR "%s ERROR: Out of memory\n", __func__); + err = -ENOMEM; + goto fail0; + } + + mantis->num = devs; + mantis->verbose = verbose; + mantis->pdev = pdev; + config = (struct mantis_hwconfig *) pci_id->driver_data; + config->irq_handler = &hopper_irq_handler; + mantis->hwconfig = config; + + err = mantis_pci_init(mantis); + if (err) { + dprintk(MANTIS_ERROR, 1, "ERROR: Mantis PCI initialization failed <%d>", err); + goto fail1; + } + + err = mantis_stream_control(mantis, STREAM_TO_HIF); + if (err < 0) { + dprintk(MANTIS_ERROR, 1, "ERROR: Mantis stream control failed <%d>", err); + goto fail1; + } + + err = mantis_i2c_init(mantis); + if (err < 0) { + dprintk(MANTIS_ERROR, 1, "ERROR: Mantis I2C initialization failed <%d>", err); + goto fail2; + } + + err = mantis_get_mac(mantis); + if (err < 0) { + dprintk(MANTIS_ERROR, 1, "ERROR: Mantis MAC address read failed <%d>", err); + goto fail2; + } + + err = mantis_dma_init(mantis); + if (err < 0) { + dprintk(MANTIS_ERROR, 1, "ERROR: Mantis DMA initialization failed <%d>", err); + goto fail3; + } + + err = mantis_dvb_init(mantis); + if (err < 0) { + dprintk(MANTIS_ERROR, 1, "ERROR: Mantis DVB initialization failed <%d>", err); + goto fail4; + } + devs++; + + return err; + +fail4: + dprintk(MANTIS_ERROR, 1, "ERROR: Mantis DMA exit! <%d>", err); + mantis_dma_exit(mantis); + +fail3: + dprintk(MANTIS_ERROR, 1, "ERROR: Mantis I2C exit! <%d>", err); + mantis_i2c_exit(mantis); + +fail2: + dprintk(MANTIS_ERROR, 1, "ERROR: Mantis PCI exit! <%d>", err); + mantis_pci_exit(mantis); + +fail1: + dprintk(MANTIS_ERROR, 1, "ERROR: Mantis free! <%d>", err); + kfree(mantis); + +fail0: + return err; +} + +static void __devexit hopper_pci_remove(struct pci_dev *pdev) +{ + struct mantis_pci *mantis = pci_get_drvdata(pdev); + + if (mantis) { + mantis_dvb_exit(mantis); + mantis_dma_exit(mantis); + mantis_i2c_exit(mantis); + mantis_pci_exit(mantis); + kfree(mantis); + } + return; + +} + +static struct pci_device_id hopper_pci_table[] = { + MAKE_ENTRY(TWINHAN_TECHNOLOGIES, MANTIS_VP_3028_DVB_T, &vp3028_config), + { } +}; + +MODULE_DEVICE_TABLE(pci, hopper_pci_table); + +static struct pci_driver hopper_pci_driver = { + .name = DRIVER_NAME, + .id_table = hopper_pci_table, + .probe = hopper_pci_probe, + .remove = hopper_pci_remove, +}; + +static int __devinit hopper_init(void) +{ + return pci_register_driver(&hopper_pci_driver); +} + +static void __devexit hopper_exit(void) +{ + return pci_unregister_driver(&hopper_pci_driver); +} + +module_init(hopper_init); +module_exit(hopper_exit); + +MODULE_DESCRIPTION("HOPPER driver"); +MODULE_AUTHOR("Manu Abraham"); +MODULE_LICENSE("GPL"); |