// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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Mantis PCI bridge driver
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Copyright (C) Manu Abraham (abraham.manu@gmail.com)
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*/
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#include "mantis_common.h"
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#include "mantis_core.h"
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#include "mantis_vp1033.h"
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#include "mantis_vp1034.h"
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#include "mantis_vp1041.h"
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#include "mantis_vp2033.h"
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#include "mantis_vp2040.h"
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#include "mantis_vp3030.h"
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static int read_eeprom_byte(struct mantis_pci *mantis, u8 *data, u8 length)
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{
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int err;
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struct i2c_msg msg[] = {
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{
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.addr = 0x50,
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.flags = 0,
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.buf = data,
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.len = 1
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}, {
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.addr = 0x50,
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.flags = I2C_M_RD,
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.buf = data,
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.len = length
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},
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};
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err = i2c_transfer(&mantis->adapter, msg, 2);
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if (err < 0) {
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dprintk(verbose, MANTIS_ERROR, 1,
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"ERROR: i2c read: < err=%i d0=0x%02x d1=0x%02x >",
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err, data[0], data[1]);
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return err;
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}
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return 0;
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}
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static int get_mac_address(struct mantis_pci *mantis)
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{
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int err;
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mantis->mac_address[0] = 0x08;
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err = read_eeprom_byte(mantis, &mantis->mac_address[0], 6);
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if (err < 0) {
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dprintk(verbose, MANTIS_ERROR, 1, "Mantis EEPROM read error");
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return err;
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}
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dprintk(verbose, MANTIS_ERROR, 0,
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" MAC Address=[%pM]\n", mantis->mac_address);
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return 0;
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}
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#define MANTIS_MODEL_UNKNOWN "UNKNOWN"
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#define MANTIS_DEV_UNKNOWN "UNKNOWN"
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struct mantis_hwconfig unknown_device = {
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.model_name = MANTIS_MODEL_UNKNOWN,
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.dev_type = MANTIS_DEV_UNKNOWN,
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};
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static void mantis_load_config(struct mantis_pci *mantis)
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{
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switch (mantis->subsystem_device) {
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case MANTIS_VP_1033_DVB_S: /* VP-1033 */
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mantis->hwconfig = &vp1033_mantis_config;
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break;
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case MANTIS_VP_1034_DVB_S: /* VP-1034 */
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mantis->hwconfig = &vp1034_mantis_config;
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break;
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case MANTIS_VP_1041_DVB_S2: /* VP-1041 */
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case TECHNISAT_SKYSTAR_HD2:
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mantis->hwconfig = &vp1041_mantis_config;
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break;
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case MANTIS_VP_2033_DVB_C: /* VP-2033 */
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mantis->hwconfig = &vp2033_mantis_config;
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break;
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case MANTIS_VP_2040_DVB_C: /* VP-2040 */
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case CINERGY_C: /* VP-2040 clone */
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case TECHNISAT_CABLESTAR_HD2:
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mantis->hwconfig = &vp2040_mantis_config;
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break;
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case MANTIS_VP_3030_DVB_T: /* VP-3030 */
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mantis->hwconfig = &vp3030_mantis_config;
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break;
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default:
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mantis->hwconfig = &unknown_device;
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break;
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}
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}
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int mantis_core_init(struct mantis_pci *mantis)
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{
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int err = 0;
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mantis_load_config(mantis);
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dprintk(verbose, MANTIS_ERROR, 0, "found a %s PCI %s device on (%02x:%02x.%x),\n",
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mantis->hwconfig->model_name, mantis->hwconfig->dev_type,
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mantis->pdev->bus->number, PCI_SLOT(mantis->pdev->devfn), PCI_FUNC(mantis->pdev->devfn));
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dprintk(verbose, MANTIS_ERROR, 0, " Mantis Rev %d [%04x:%04x], ",
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mantis->revision,
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mantis->subsystem_vendor, mantis->subsystem_device);
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dprintk(verbose, MANTIS_ERROR, 0,
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"irq: %d, latency: %d\n memory: 0x%lx, mmio: 0x%p\n",
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mantis->pdev->irq, mantis->latency,
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mantis->mantis_addr, mantis->mantis_mmio);
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err = mantis_i2c_init(mantis);
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if (err < 0) {
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dprintk(verbose, MANTIS_ERROR, 1, "Mantis I2C init failed");
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return err;
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}
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err = get_mac_address(mantis);
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if (err < 0) {
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dprintk(verbose, MANTIS_ERROR, 1, "get MAC address failed");
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return err;
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}
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err = mantis_dma_init(mantis);
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if (err < 0) {
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dprintk(verbose, MANTIS_ERROR, 1, "Mantis DMA init failed");
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return err;
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}
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err = mantis_dvb_init(mantis);
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if (err < 0) {
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dprintk(verbose, MANTIS_DEBUG, 1, "Mantis DVB init failed");
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return err;
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}
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err = mantis_uart_init(mantis);
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if (err < 0) {
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dprintk(verbose, MANTIS_DEBUG, 1, "Mantis UART init failed");
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return err;
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}
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return 0;
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}
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int mantis_core_exit(struct mantis_pci *mantis)
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{
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mantis_dma_stop(mantis);
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dprintk(verbose, MANTIS_ERROR, 1, "DMA engine stopping");
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mantis_uart_exit(mantis);
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dprintk(verbose, MANTIS_ERROR, 1, "UART exit failed");
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if (mantis_dma_exit(mantis) < 0)
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dprintk(verbose, MANTIS_ERROR, 1, "DMA exit failed");
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if (mantis_dvb_exit(mantis) < 0)
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dprintk(verbose, MANTIS_ERROR, 1, "DVB exit failed");
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if (mantis_i2c_exit(mantis) < 0)
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dprintk(verbose, MANTIS_ERROR, 1, "I2C adapter delete.. failed");
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return 0;
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}
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/* Turn the given bit on or off. */
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void gpio_set_bits(struct mantis_pci *mantis, u32 bitpos, u8 value)
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{
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u32 cur;
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cur = mmread(MANTIS_GPIF_ADDR);
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if (value)
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mantis->gpio_status = cur | (1 << bitpos);
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else
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mantis->gpio_status = cur & (~(1 << bitpos));
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mmwrite(mantis->gpio_status, MANTIS_GPIF_ADDR);
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mmwrite(0x00, MANTIS_GPIF_DOUT);
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udelay(100);
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}
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/* direction = 0 , no CI passthrough ; 1 , CI passthrough */
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void mantis_set_direction(struct mantis_pci *mantis, int direction)
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{
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u32 reg;
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reg = mmread(0x28);
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dprintk(verbose, MANTIS_DEBUG, 1, "TS direction setup");
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if (direction == 0x01) {
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/* to CI */
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reg |= 0x04;
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mmwrite(reg, 0x28);
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reg &= 0xff - 0x04;
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mmwrite(reg, 0x28);
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} else {
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reg &= 0xff - 0x04;
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mmwrite(reg, 0x28);
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reg |= 0x04;
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mmwrite(reg, 0x28);
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}
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}
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