cregit-Linux how code gets into the kernel

Release 4.7 drivers/media/pci/mantis/mantis_core.c

/*
        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 "mantis_common.h"
#include "mantis_core.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"


static int read_eeprom_byte(struct mantis_pci *mantis, u8 *data, u8 length) { int err; struct i2c_msg msg[] = { { .addr = 0x50, .flags = 0, .buf = data, .len = 1 }, { .addr = 0x50, .flags = I2C_M_RD, .buf = data, .len = length }, }; err = i2c_transfer(&mantis->adapter, msg, 2); if (err < 0) { dprintk(verbose, MANTIS_ERROR, 1, "ERROR: i2c read: < err=%i d0=0x%02x d1=0x%02x >", err, data[0], data[1]); return err; } return 0; }

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PersonTokensPropCommitsCommitProp
manu abrahammanu abraham123100.00%2100.00%
Total123100.00%2100.00%


static int get_mac_address(struct mantis_pci *mantis) { int err; mantis->mac_address[0] = 0x08; err = read_eeprom_byte(mantis, &mantis->mac_address[0], 6); if (err < 0) { dprintk(verbose, MANTIS_ERROR, 1, "Mantis EEPROM read error"); return err; } dprintk(verbose, MANTIS_ERROR, 0, " MAC Address=[%pM]\n", mantis->mac_address); return 0; }

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manu abrahammanu abraham7998.75%375.00%
andy shevchenkoandy shevchenko11.25%125.00%
Total80100.00%4100.00%

#define MANTIS_MODEL_UNKNOWN "UNKNOWN" #define MANTIS_DEV_UNKNOWN "UNKNOWN" struct mantis_hwconfig unknown_device = { .model_name = MANTIS_MODEL_UNKNOWN, .dev_type = MANTIS_DEV_UNKNOWN, };
static void mantis_load_config(struct mantis_pci *mantis) { switch (mantis->subsystem_device) { case MANTIS_VP_1033_DVB_S: /* VP-1033 */ mantis->hwconfig = &vp1033_mantis_config; break; case MANTIS_VP_1034_DVB_S: /* VP-1034 */ mantis->hwconfig = &vp1034_mantis_config; break; case MANTIS_VP_1041_DVB_S2: /* VP-1041 */ case TECHNISAT_SKYSTAR_HD2: mantis->hwconfig = &vp1041_mantis_config; break; case MANTIS_VP_2033_DVB_C: /* VP-2033 */ mantis->hwconfig = &vp2033_mantis_config; break; case MANTIS_VP_2040_DVB_C: /* VP-2040 */ case CINERGY_C: /* VP-2040 clone */ case TECHNISAT_CABLESTAR_HD2: mantis->hwconfig = &vp2040_mantis_config; break; case MANTIS_VP_3030_DVB_T: /* VP-3030 */ mantis->hwconfig = &vp3030_mantis_config; break; default: mantis->hwconfig = &unknown_device; break; } }

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PersonTokensPropCommitsCommitProp
manu abrahammanu abraham10393.64%666.67%
magnus horlinmagnus horlin32.73%111.11%
marko viitamakimarko viitamaki32.73%111.11%
igor m. liplianinigor m. liplianin10.91%111.11%
Total110100.00%9100.00%


int mantis_core_init(struct mantis_pci *mantis) { int err = 0; mantis_load_config(mantis); dprintk(verbose, MANTIS_ERROR, 0, "found a %s PCI %s device on (%02x:%02x.%x),\n", mantis->hwconfig->model_name, mantis->hwconfig->dev_type, mantis->pdev->bus->number, PCI_SLOT(mantis->pdev->devfn), PCI_FUNC(mantis->pdev->devfn)); dprintk(verbose, MANTIS_ERROR, 0, " Mantis Rev %d [%04x:%04x], ", mantis->revision, mantis->subsystem_vendor, mantis->subsystem_device); dprintk(verbose, MANTIS_ERROR, 0, "irq: %d, latency: %d\n memory: 0x%lx, mmio: 0x%p\n", mantis->pdev->irq, mantis->latency, mantis->mantis_addr, mantis->mantis_mmio); err = mantis_i2c_init(mantis); if (err < 0) { dprintk(verbose, MANTIS_ERROR, 1, "Mantis I2C init failed"); return err; } err = get_mac_address(mantis); if (err < 0) { dprintk(verbose, MANTIS_ERROR, 1, "get MAC address failed"); return err; } err = mantis_dma_init(mantis); if (err < 0) { dprintk(verbose, MANTIS_ERROR, 1, "Mantis DMA init failed"); return err; } err = mantis_dvb_init(mantis); if (err < 0) { dprintk(verbose, MANTIS_DEBUG, 1, "Mantis DVB init failed"); return err; } err = mantis_uart_init(mantis); if (err < 0) { dprintk(verbose, MANTIS_DEBUG, 1, "Mantis UART init failed"); return err; } return 0; }

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manu abrahammanu abraham269100.00%4100.00%
Total269100.00%4100.00%


int mantis_core_exit(struct mantis_pci *mantis) { mantis_dma_stop(mantis); dprintk(verbose, MANTIS_ERROR, 1, "DMA engine stopping"); mantis_uart_exit(mantis); dprintk(verbose, MANTIS_ERROR, 1, "UART exit failed"); if (mantis_dma_exit(mantis) < 0) dprintk(verbose, MANTIS_ERROR, 1, "DMA exit failed"); if (mantis_dvb_exit(mantis) < 0) dprintk(verbose, MANTIS_ERROR, 1, "DVB exit failed"); if (mantis_i2c_exit(mantis) < 0) dprintk(verbose, MANTIS_ERROR, 1, "I2C adapter delete.. failed"); return 0; }

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manu abrahammanu abraham105100.00%2100.00%
Total105100.00%2100.00%

/* Turn the given bit on or off. */
void gpio_set_bits(struct mantis_pci *mantis, u32 bitpos, u8 value) { u32 cur; cur = mmread(MANTIS_GPIF_ADDR); if (value) mantis->gpio_status = cur | (1 << bitpos); else mantis->gpio_status = cur & (~(1 << bitpos)); mmwrite(mantis->gpio_status, MANTIS_GPIF_ADDR); mmwrite(0x00, MANTIS_GPIF_DOUT); udelay(100); }

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PersonTokensPropCommitsCommitProp
manu abrahammanu abraham6278.48%266.67%
marko ristolamarko ristola1721.52%133.33%
Total79100.00%3100.00%

/* direction = 0 , no CI passthrough ; 1 , CI passthrough */
void mantis_set_direction(struct mantis_pci *mantis, int direction) { u32 reg; reg = mmread(0x28); dprintk(verbose, MANTIS_DEBUG, 1, "TS direction setup"); if (direction == 0x01) { /* to CI */ reg |= 0x04; mmwrite(reg, 0x28); reg &= 0xff - 0x04; mmwrite(reg, 0x28); } else { reg &= 0xff - 0x04; mmwrite(reg, 0x28); reg |= 0x04; mmwrite(reg, 0x28); } }

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manu abrahammanu abraham94100.00%2100.00%
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Overall Contributors

PersonTokensPropCommitsCommitProp
manu abrahammanu abraham88697.26%964.29%
marko ristolamarko ristola171.87%17.14%
magnus horlinmagnus horlin30.33%17.14%
marko viitamakimarko viitamaki30.33%17.14%
andy shevchenkoandy shevchenko10.11%17.14%
igor m. liplianinigor m. liplianin10.11%17.14%
Total911100.00%14100.00%
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