| /* |
| Mantis 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/kernel.h> |
| #include <linux/pci.h> |
| #include <linux/slab.h> |
| #include <asm/irq.h> |
| #include <linux/interrupt.h> |
| #include <media/rc-map.h> |
| |
| #include <media/dmxdev.h> |
| #include <media/dvbdev.h> |
| #include <media/dvb_demux.h> |
| #include <media/dvb_frontend.h> |
| #include <media/dvb_net.h> |
| |
| #include "mantis_common.h" |
| |
| #include "mantis_vp1033.h" |
| #include "mantis_vp1034.h" |
| #include "mantis_vp1041.h" |
| #include "mantis_vp2033.h" |
| #include "mantis_vp2040.h" |
| #include "mantis_vp3030.h" |
| |
| #include "mantis_dma.h" |
| #include "mantis_ca.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" |
| #include "mantis_input.h" |
| |
| static unsigned int verbose; |
| module_param(verbose, int, 0644); |
| MODULE_PARM_DESC(verbose, "verbose startup messages, default is 0 (no)"); |
| |
| static int devs; |
| |
| #define DRIVER_NAME "Mantis" |
| |
| static char *label[10] = { |
| "DMA", |
| "IRQ-0", |
| "IRQ-1", |
| "OCERR", |
| "PABRT", |
| "RIPRR", |
| "PPERR", |
| "FTRGT", |
| "RISCI", |
| "RACK" |
| }; |
| |
| static irqreturn_t mantis_irq_handler(int irq, void *dev_id) |
| { |
| u32 stat = 0, mask = 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); |
| 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]); |
| spin_lock(&mantis->intmask_lock); |
| mmwrite(mmread(MANTIS_INT_MASK) & ~MANTIS_INT_IRQ1, |
| MANTIS_INT_MASK); |
| spin_unlock(&mantis->intmask_lock); |
| 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 mantis_pci_probe(struct pci_dev *pdev, |
| const struct pci_device_id *pci_id) |
| { |
| struct mantis_pci_drvdata *drvdata; |
| struct mantis_pci *mantis; |
| struct mantis_hwconfig *config; |
| int err; |
| |
| mantis = kzalloc(sizeof(*mantis), GFP_KERNEL); |
| if (!mantis) |
| return -ENOMEM; |
| |
| drvdata = (void *)pci_id->driver_data; |
| mantis->num = devs; |
| mantis->verbose = verbose; |
| mantis->pdev = pdev; |
| config = drvdata->hwconfig; |
| config->irq_handler = &mantis_irq_handler; |
| mantis->hwconfig = config; |
| mantis->rc_map_name = drvdata->rc_map_name; |
| |
| spin_lock_init(&mantis->intmask_lock); |
| |
| err = mantis_pci_init(mantis); |
| if (err) { |
| dprintk(MANTIS_ERROR, 1, "ERROR: Mantis PCI initialization failed <%d>", err); |
| goto err_free_mantis; |
| } |
| |
| err = mantis_stream_control(mantis, STREAM_TO_HIF); |
| if (err < 0) { |
| dprintk(MANTIS_ERROR, 1, "ERROR: Mantis stream control failed <%d>", err); |
| goto err_pci_exit; |
| } |
| |
| err = mantis_i2c_init(mantis); |
| if (err < 0) { |
| dprintk(MANTIS_ERROR, 1, "ERROR: Mantis I2C initialization failed <%d>", err); |
| goto err_pci_exit; |
| } |
| |
| err = mantis_get_mac(mantis); |
| if (err < 0) { |
| dprintk(MANTIS_ERROR, 1, "ERROR: Mantis MAC address read failed <%d>", err); |
| goto err_i2c_exit; |
| } |
| |
| err = mantis_dma_init(mantis); |
| if (err < 0) { |
| dprintk(MANTIS_ERROR, 1, "ERROR: Mantis DMA initialization failed <%d>", err); |
| goto err_i2c_exit; |
| } |
| |
| err = mantis_dvb_init(mantis); |
| if (err < 0) { |
| dprintk(MANTIS_ERROR, 1, "ERROR: Mantis DVB initialization failed <%d>", err); |
| goto err_dma_exit; |
| } |
| |
| err = mantis_input_init(mantis); |
| if (err < 0) { |
| dprintk(MANTIS_ERROR, 1, |
| "ERROR: Mantis DVB initialization failed <%d>", err); |
| goto err_dvb_exit; |
| } |
| |
| err = mantis_uart_init(mantis); |
| if (err < 0) { |
| dprintk(MANTIS_ERROR, 1, "ERROR: Mantis UART initialization failed <%d>", err); |
| goto err_input_exit; |
| } |
| |
| devs++; |
| |
| return 0; |
| |
| err_input_exit: |
| mantis_input_exit(mantis); |
| |
| err_dvb_exit: |
| mantis_dvb_exit(mantis); |
| |
| err_dma_exit: |
| mantis_dma_exit(mantis); |
| |
| err_i2c_exit: |
| mantis_i2c_exit(mantis); |
| |
| err_pci_exit: |
| mantis_pci_exit(mantis); |
| |
| err_free_mantis: |
| kfree(mantis); |
| |
| return err; |
| } |
| |
| static void mantis_pci_remove(struct pci_dev *pdev) |
| { |
| struct mantis_pci *mantis = pci_get_drvdata(pdev); |
| |
| if (mantis) { |
| |
| mantis_uart_exit(mantis); |
| mantis_input_exit(mantis); |
| mantis_dvb_exit(mantis); |
| mantis_dma_exit(mantis); |
| mantis_i2c_exit(mantis); |
| mantis_pci_exit(mantis); |
| kfree(mantis); |
| } |
| return; |
| } |
| |
| static const struct pci_device_id mantis_pci_table[] = { |
| MAKE_ENTRY(TECHNISAT, CABLESTAR_HD2, &vp2040_config, |
| RC_MAP_TECHNISAT_TS35), |
| MAKE_ENTRY(TECHNISAT, SKYSTAR_HD2_10, &vp1041_config, |
| NULL), |
| MAKE_ENTRY(TECHNISAT, SKYSTAR_HD2_20, &vp1041_config, |
| NULL), |
| MAKE_ENTRY(TERRATEC, CINERGY_C, &vp2040_config, |
| RC_MAP_TERRATEC_CINERGY_C_PCI), |
| MAKE_ENTRY(TERRATEC, CINERGY_S2_PCI_HD, &vp1041_config, |
| RC_MAP_TERRATEC_CINERGY_S2_HD), |
| MAKE_ENTRY(TWINHAN_TECHNOLOGIES, MANTIS_VP_1033_DVB_S, &vp1033_config, |
| NULL), |
| MAKE_ENTRY(TWINHAN_TECHNOLOGIES, MANTIS_VP_1034_DVB_S, &vp1034_config, |
| NULL), |
| MAKE_ENTRY(TWINHAN_TECHNOLOGIES, MANTIS_VP_1041_DVB_S2, &vp1041_config, |
| RC_MAP_TWINHAN_DTV_CAB_CI), |
| MAKE_ENTRY(TWINHAN_TECHNOLOGIES, MANTIS_VP_2033_DVB_C, &vp2033_config, |
| RC_MAP_TWINHAN_DTV_CAB_CI), |
| MAKE_ENTRY(TWINHAN_TECHNOLOGIES, MANTIS_VP_2040_DVB_C, &vp2040_config, |
| NULL), |
| MAKE_ENTRY(TWINHAN_TECHNOLOGIES, MANTIS_VP_3030_DVB_T, &vp3030_config, |
| NULL), |
| { } |
| }; |
| |
| MODULE_DEVICE_TABLE(pci, mantis_pci_table); |
| |
| static struct pci_driver mantis_pci_driver = { |
| .name = DRIVER_NAME, |
| .id_table = mantis_pci_table, |
| .probe = mantis_pci_probe, |
| .remove = mantis_pci_remove, |
| }; |
| |
| module_pci_driver(mantis_pci_driver); |
| |
| MODULE_DESCRIPTION("MANTIS driver"); |
| MODULE_AUTHOR("Manu Abraham"); |
| MODULE_LICENSE("GPL"); |