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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 | // SPDX-License-Identifier: GPL-2.0-or-later /* Mantis PCI bridge driver Copyright (C) Manu Abraham (abraham.manu@gmail.com) */ #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; } 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; } #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; } } 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; } 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; } /* 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); } /* 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); } } |