Kozlov Sergey | 52b1eaf | 2015-07-28 11:33:04 -0300 | [diff] [blame] | 1 | /* |
| 2 | * netup_unidvb_core.c |
| 3 | * |
| 4 | * Main module for NetUP Universal Dual DVB-CI |
| 5 | * |
| 6 | * Copyright (C) 2014 NetUP Inc. |
| 7 | * Copyright (C) 2014 Sergey Kozlov <serjk@netup.ru> |
| 8 | * Copyright (C) 2014 Abylay Ospan <aospan@netup.ru> |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of the GNU General Public License as published by |
| 12 | * the Free Software Foundation; either version 2 of the License, or |
| 13 | * (at your option) any later version. |
| 14 | * |
| 15 | * This program is distributed in the hope that it will be useful, |
| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | * GNU General Public License for more details. |
| 19 | */ |
| 20 | |
| 21 | #include <linux/init.h> |
| 22 | #include <linux/module.h> |
| 23 | #include <linux/moduleparam.h> |
| 24 | #include <linux/kmod.h> |
| 25 | #include <linux/kernel.h> |
| 26 | #include <linux/slab.h> |
| 27 | #include <linux/interrupt.h> |
| 28 | #include <linux/delay.h> |
| 29 | #include <linux/list.h> |
Junghak Sung | 2d70071 | 2015-09-22 10:30:30 -0300 | [diff] [blame] | 30 | #include <media/videobuf2-v4l2.h> |
Kozlov Sergey | 52b1eaf | 2015-07-28 11:33:04 -0300 | [diff] [blame] | 31 | #include <media/videobuf2-vmalloc.h> |
| 32 | |
| 33 | #include "netup_unidvb.h" |
| 34 | #include "cxd2841er.h" |
| 35 | #include "horus3a.h" |
| 36 | #include "ascot2e.h" |
Abylay Ospan | e4c645f | 2016-03-23 22:34:07 -0300 | [diff] [blame] | 37 | #include "helene.h" |
Kozlov Sergey | 52b1eaf | 2015-07-28 11:33:04 -0300 | [diff] [blame] | 38 | #include "lnbh25.h" |
| 39 | |
| 40 | static int spi_enable; |
| 41 | module_param(spi_enable, int, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH); |
| 42 | |
| 43 | MODULE_DESCRIPTION("Driver for NetUP Dual Universal DVB CI PCIe card"); |
| 44 | MODULE_AUTHOR("info@netup.ru"); |
| 45 | MODULE_VERSION(NETUP_UNIDVB_VERSION); |
| 46 | MODULE_LICENSE("GPL"); |
| 47 | |
| 48 | DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); |
| 49 | |
| 50 | /* Avalon-MM PCI-E registers */ |
| 51 | #define AVL_PCIE_IENR 0x50 |
| 52 | #define AVL_PCIE_ISR 0x40 |
| 53 | #define AVL_IRQ_ENABLE 0x80 |
| 54 | #define AVL_IRQ_ASSERTED 0x80 |
| 55 | /* GPIO registers */ |
| 56 | #define GPIO_REG_IO 0x4880 |
| 57 | #define GPIO_REG_IO_TOGGLE 0x4882 |
| 58 | #define GPIO_REG_IO_SET 0x4884 |
| 59 | #define GPIO_REG_IO_CLEAR 0x4886 |
| 60 | /* GPIO bits */ |
| 61 | #define GPIO_FEA_RESET (1 << 0) |
| 62 | #define GPIO_FEB_RESET (1 << 1) |
| 63 | #define GPIO_RFA_CTL (1 << 2) |
| 64 | #define GPIO_RFB_CTL (1 << 3) |
| 65 | #define GPIO_FEA_TU_RESET (1 << 4) |
| 66 | #define GPIO_FEB_TU_RESET (1 << 5) |
| 67 | /* DMA base address */ |
| 68 | #define NETUP_DMA0_ADDR 0x4900 |
| 69 | #define NETUP_DMA1_ADDR 0x4940 |
| 70 | /* 8 DMA blocks * 128 packets * 188 bytes*/ |
| 71 | #define NETUP_DMA_BLOCKS_COUNT 8 |
| 72 | #define NETUP_DMA_PACKETS_COUNT 128 |
| 73 | /* DMA status bits */ |
| 74 | #define BIT_DMA_RUN 1 |
| 75 | #define BIT_DMA_ERROR 2 |
| 76 | #define BIT_DMA_IRQ 0x200 |
| 77 | |
| 78 | /** |
| 79 | * struct netup_dma_regs - the map of DMA module registers |
| 80 | * @ctrlstat_set: Control register, write to set control bits |
| 81 | * @ctrlstat_clear: Control register, write to clear control bits |
| 82 | * @start_addr_lo: DMA ring buffer start address, lower part |
| 83 | * @start_addr_hi: DMA ring buffer start address, higher part |
| 84 | * @size: DMA ring buffer size register |
| 85 | Bits [0-7]: DMA packet size, 188 bytes |
| 86 | Bits [16-23]: packets count in block, 128 packets |
| 87 | Bits [24-31]: blocks count, 8 blocks |
| 88 | * @timeout: DMA timeout in units of 8ns |
| 89 | For example, value of 375000000 equals to 3 sec |
| 90 | * @curr_addr_lo: Current ring buffer head address, lower part |
| 91 | * @curr_addr_hi: Current ring buffer head address, higher part |
| 92 | * @stat_pkt_received: Statistic register, not tested |
| 93 | * @stat_pkt_accepted: Statistic register, not tested |
| 94 | * @stat_pkt_overruns: Statistic register, not tested |
| 95 | * @stat_pkt_underruns: Statistic register, not tested |
| 96 | * @stat_fifo_overruns: Statistic register, not tested |
| 97 | */ |
| 98 | struct netup_dma_regs { |
| 99 | __le32 ctrlstat_set; |
| 100 | __le32 ctrlstat_clear; |
| 101 | __le32 start_addr_lo; |
| 102 | __le32 start_addr_hi; |
| 103 | __le32 size; |
| 104 | __le32 timeout; |
| 105 | __le32 curr_addr_lo; |
| 106 | __le32 curr_addr_hi; |
| 107 | __le32 stat_pkt_received; |
| 108 | __le32 stat_pkt_accepted; |
| 109 | __le32 stat_pkt_overruns; |
| 110 | __le32 stat_pkt_underruns; |
| 111 | __le32 stat_fifo_overruns; |
| 112 | } __packed __aligned(1); |
| 113 | |
| 114 | struct netup_unidvb_buffer { |
Junghak Sung | 2d70071 | 2015-09-22 10:30:30 -0300 | [diff] [blame] | 115 | struct vb2_v4l2_buffer vb; |
Kozlov Sergey | 52b1eaf | 2015-07-28 11:33:04 -0300 | [diff] [blame] | 116 | struct list_head list; |
| 117 | u32 size; |
| 118 | }; |
| 119 | |
| 120 | static int netup_unidvb_tuner_ctrl(void *priv, int is_dvb_tc); |
| 121 | static void netup_unidvb_queue_cleanup(struct netup_dma *dma); |
| 122 | |
| 123 | static struct cxd2841er_config demod_config = { |
Abylay Ospan | e4c645f | 2016-03-23 22:34:07 -0300 | [diff] [blame] | 124 | .i2c_addr = 0xc8, |
| 125 | .xtal = SONY_XTAL_24000 |
Kozlov Sergey | 52b1eaf | 2015-07-28 11:33:04 -0300 | [diff] [blame] | 126 | }; |
| 127 | |
| 128 | static struct horus3a_config horus3a_conf = { |
| 129 | .i2c_address = 0xc0, |
| 130 | .xtal_freq_mhz = 16, |
| 131 | .set_tuner_callback = netup_unidvb_tuner_ctrl |
| 132 | }; |
| 133 | |
| 134 | static struct ascot2e_config ascot2e_conf = { |
| 135 | .i2c_address = 0xc2, |
| 136 | .set_tuner_callback = netup_unidvb_tuner_ctrl |
| 137 | }; |
| 138 | |
Abylay Ospan | e4c645f | 2016-03-23 22:34:07 -0300 | [diff] [blame] | 139 | static struct helene_config helene_conf = { |
| 140 | .i2c_address = 0xc0, |
| 141 | .xtal = SONY_HELENE_XTAL_24000, |
| 142 | .set_tuner_callback = netup_unidvb_tuner_ctrl |
| 143 | }; |
| 144 | |
Kozlov Sergey | 52b1eaf | 2015-07-28 11:33:04 -0300 | [diff] [blame] | 145 | static struct lnbh25_config lnbh25_conf = { |
| 146 | .i2c_address = 0x10, |
| 147 | .data2_config = LNBH25_TEN | LNBH25_EXTM |
| 148 | }; |
| 149 | |
| 150 | static int netup_unidvb_tuner_ctrl(void *priv, int is_dvb_tc) |
| 151 | { |
| 152 | u8 reg, mask; |
| 153 | struct netup_dma *dma = priv; |
| 154 | struct netup_unidvb_dev *ndev; |
| 155 | |
| 156 | if (!priv) |
| 157 | return -EINVAL; |
| 158 | ndev = dma->ndev; |
| 159 | dev_dbg(&ndev->pci_dev->dev, "%s(): num %d is_dvb_tc %d\n", |
| 160 | __func__, dma->num, is_dvb_tc); |
| 161 | reg = readb(ndev->bmmio0 + GPIO_REG_IO); |
| 162 | mask = (dma->num == 0) ? GPIO_RFA_CTL : GPIO_RFB_CTL; |
Abylay Ospan | e4c645f | 2016-03-23 22:34:07 -0300 | [diff] [blame] | 163 | |
| 164 | /* inverted tuner control in hw rev. 1.4 */ |
| 165 | if (ndev->rev == NETUP_HW_REV_1_4) |
| 166 | is_dvb_tc = !is_dvb_tc; |
| 167 | |
Kozlov Sergey | 52b1eaf | 2015-07-28 11:33:04 -0300 | [diff] [blame] | 168 | if (!is_dvb_tc) |
| 169 | reg |= mask; |
| 170 | else |
| 171 | reg &= ~mask; |
| 172 | writeb(reg, ndev->bmmio0 + GPIO_REG_IO); |
| 173 | return 0; |
| 174 | } |
| 175 | |
| 176 | static void netup_unidvb_dev_enable(struct netup_unidvb_dev *ndev) |
| 177 | { |
| 178 | u16 gpio_reg; |
| 179 | |
| 180 | /* enable PCI-E interrupts */ |
| 181 | writel(AVL_IRQ_ENABLE, ndev->bmmio0 + AVL_PCIE_IENR); |
| 182 | /* unreset frontends bits[0:1] */ |
| 183 | writeb(0x00, ndev->bmmio0 + GPIO_REG_IO); |
| 184 | msleep(100); |
| 185 | gpio_reg = |
| 186 | GPIO_FEA_RESET | GPIO_FEB_RESET | |
| 187 | GPIO_FEA_TU_RESET | GPIO_FEB_TU_RESET | |
| 188 | GPIO_RFA_CTL | GPIO_RFB_CTL; |
| 189 | writeb(gpio_reg, ndev->bmmio0 + GPIO_REG_IO); |
| 190 | dev_dbg(&ndev->pci_dev->dev, |
| 191 | "%s(): AVL_PCIE_IENR 0x%x GPIO_REG_IO 0x%x\n", |
| 192 | __func__, readl(ndev->bmmio0 + AVL_PCIE_IENR), |
| 193 | (int)readb(ndev->bmmio0 + GPIO_REG_IO)); |
| 194 | |
| 195 | } |
| 196 | |
| 197 | static void netup_unidvb_dma_enable(struct netup_dma *dma, int enable) |
| 198 | { |
| 199 | u32 irq_mask = (dma->num == 0 ? |
| 200 | NETUP_UNIDVB_IRQ_DMA1 : NETUP_UNIDVB_IRQ_DMA2); |
| 201 | |
| 202 | dev_dbg(&dma->ndev->pci_dev->dev, |
| 203 | "%s(): DMA%d enable %d\n", __func__, dma->num, enable); |
| 204 | if (enable) { |
| 205 | writel(BIT_DMA_RUN, &dma->regs->ctrlstat_set); |
Mauro Carvalho Chehab | d91b1d9 | 2015-10-01 18:49:29 -0300 | [diff] [blame] | 206 | writew(irq_mask, dma->ndev->bmmio0 + REG_IMASK_SET); |
Kozlov Sergey | 52b1eaf | 2015-07-28 11:33:04 -0300 | [diff] [blame] | 207 | } else { |
| 208 | writel(BIT_DMA_RUN, &dma->regs->ctrlstat_clear); |
Mauro Carvalho Chehab | d91b1d9 | 2015-10-01 18:49:29 -0300 | [diff] [blame] | 209 | writew(irq_mask, dma->ndev->bmmio0 + REG_IMASK_CLEAR); |
Kozlov Sergey | 52b1eaf | 2015-07-28 11:33:04 -0300 | [diff] [blame] | 210 | } |
| 211 | } |
| 212 | |
| 213 | static irqreturn_t netup_dma_interrupt(struct netup_dma *dma) |
| 214 | { |
| 215 | u64 addr_curr; |
| 216 | u32 size; |
| 217 | unsigned long flags; |
| 218 | struct device *dev = &dma->ndev->pci_dev->dev; |
| 219 | |
| 220 | spin_lock_irqsave(&dma->lock, flags); |
| 221 | addr_curr = ((u64)readl(&dma->regs->curr_addr_hi) << 32) | |
| 222 | (u64)readl(&dma->regs->curr_addr_lo) | dma->high_addr; |
| 223 | /* clear IRQ */ |
| 224 | writel(BIT_DMA_IRQ, &dma->regs->ctrlstat_clear); |
| 225 | /* sanity check */ |
| 226 | if (addr_curr < dma->addr_phys || |
| 227 | addr_curr > dma->addr_phys + dma->ring_buffer_size) { |
| 228 | if (addr_curr != 0) { |
| 229 | dev_err(dev, |
| 230 | "%s(): addr 0x%llx not from 0x%llx:0x%llx\n", |
| 231 | __func__, addr_curr, (u64)dma->addr_phys, |
| 232 | (u64)(dma->addr_phys + dma->ring_buffer_size)); |
| 233 | } |
| 234 | goto irq_handled; |
| 235 | } |
| 236 | size = (addr_curr >= dma->addr_last) ? |
| 237 | (u32)(addr_curr - dma->addr_last) : |
| 238 | (u32)(dma->ring_buffer_size - (dma->addr_last - addr_curr)); |
| 239 | if (dma->data_size != 0) { |
| 240 | printk_ratelimited("%s(): lost interrupt, data size %d\n", |
| 241 | __func__, dma->data_size); |
| 242 | dma->data_size += size; |
| 243 | } |
| 244 | if (dma->data_size == 0 || dma->data_size > dma->ring_buffer_size) { |
| 245 | dma->data_size = size; |
| 246 | dma->data_offset = (u32)(dma->addr_last - dma->addr_phys); |
| 247 | } |
| 248 | dma->addr_last = addr_curr; |
| 249 | queue_work(dma->ndev->wq, &dma->work); |
| 250 | irq_handled: |
| 251 | spin_unlock_irqrestore(&dma->lock, flags); |
| 252 | return IRQ_HANDLED; |
| 253 | } |
| 254 | |
| 255 | static irqreturn_t netup_unidvb_isr(int irq, void *dev_id) |
| 256 | { |
| 257 | struct pci_dev *pci_dev = (struct pci_dev *)dev_id; |
| 258 | struct netup_unidvb_dev *ndev = pci_get_drvdata(pci_dev); |
| 259 | u32 reg40, reg_isr; |
| 260 | irqreturn_t iret = IRQ_NONE; |
| 261 | |
| 262 | /* disable interrupts */ |
| 263 | writel(0, ndev->bmmio0 + AVL_PCIE_IENR); |
| 264 | /* check IRQ source */ |
| 265 | reg40 = readl(ndev->bmmio0 + AVL_PCIE_ISR); |
| 266 | if ((reg40 & AVL_IRQ_ASSERTED) != 0) { |
| 267 | /* IRQ is being signaled */ |
| 268 | reg_isr = readw(ndev->bmmio0 + REG_ISR); |
| 269 | if (reg_isr & NETUP_UNIDVB_IRQ_I2C0) { |
| 270 | iret = netup_i2c_interrupt(&ndev->i2c[0]); |
| 271 | } else if (reg_isr & NETUP_UNIDVB_IRQ_I2C1) { |
| 272 | iret = netup_i2c_interrupt(&ndev->i2c[1]); |
| 273 | } else if (reg_isr & NETUP_UNIDVB_IRQ_SPI) { |
| 274 | iret = netup_spi_interrupt(ndev->spi); |
| 275 | } else if (reg_isr & NETUP_UNIDVB_IRQ_DMA1) { |
| 276 | iret = netup_dma_interrupt(&ndev->dma[0]); |
| 277 | } else if (reg_isr & NETUP_UNIDVB_IRQ_DMA2) { |
| 278 | iret = netup_dma_interrupt(&ndev->dma[1]); |
| 279 | } else if (reg_isr & NETUP_UNIDVB_IRQ_CI) { |
| 280 | iret = netup_ci_interrupt(ndev); |
| 281 | } else { |
| 282 | dev_err(&pci_dev->dev, |
| 283 | "%s(): unknown interrupt 0x%x\n", |
| 284 | __func__, reg_isr); |
| 285 | } |
| 286 | } |
| 287 | /* re-enable interrupts */ |
| 288 | writel(AVL_IRQ_ENABLE, ndev->bmmio0 + AVL_PCIE_IENR); |
| 289 | return iret; |
| 290 | } |
| 291 | |
| 292 | static int netup_unidvb_queue_setup(struct vb2_queue *vq, |
Kozlov Sergey | 52b1eaf | 2015-07-28 11:33:04 -0300 | [diff] [blame] | 293 | unsigned int *nbuffers, |
| 294 | unsigned int *nplanes, |
| 295 | unsigned int sizes[], |
Hans Verkuil | 36c0f8b | 2016-04-15 09:15:05 -0300 | [diff] [blame^] | 296 | struct device *alloc_devs[]) |
Kozlov Sergey | 52b1eaf | 2015-07-28 11:33:04 -0300 | [diff] [blame] | 297 | { |
| 298 | struct netup_dma *dma = vb2_get_drv_priv(vq); |
| 299 | |
| 300 | dev_dbg(&dma->ndev->pci_dev->dev, "%s()\n", __func__); |
| 301 | |
| 302 | *nplanes = 1; |
| 303 | if (vq->num_buffers + *nbuffers < VIDEO_MAX_FRAME) |
| 304 | *nbuffers = VIDEO_MAX_FRAME - vq->num_buffers; |
| 305 | sizes[0] = PAGE_ALIGN(NETUP_DMA_PACKETS_COUNT * 188); |
| 306 | dev_dbg(&dma->ndev->pci_dev->dev, "%s() nbuffers=%d sizes[0]=%d\n", |
| 307 | __func__, *nbuffers, sizes[0]); |
| 308 | return 0; |
| 309 | } |
| 310 | |
| 311 | static int netup_unidvb_buf_prepare(struct vb2_buffer *vb) |
| 312 | { |
| 313 | struct netup_dma *dma = vb2_get_drv_priv(vb->vb2_queue); |
Junghak Sung | 2d70071 | 2015-09-22 10:30:30 -0300 | [diff] [blame] | 314 | struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); |
| 315 | struct netup_unidvb_buffer *buf = container_of(vbuf, |
Kozlov Sergey | 52b1eaf | 2015-07-28 11:33:04 -0300 | [diff] [blame] | 316 | struct netup_unidvb_buffer, vb); |
| 317 | |
| 318 | dev_dbg(&dma->ndev->pci_dev->dev, "%s(): buf 0x%p\n", __func__, buf); |
| 319 | buf->size = 0; |
| 320 | return 0; |
| 321 | } |
| 322 | |
| 323 | static void netup_unidvb_buf_queue(struct vb2_buffer *vb) |
| 324 | { |
| 325 | unsigned long flags; |
| 326 | struct netup_dma *dma = vb2_get_drv_priv(vb->vb2_queue); |
Junghak Sung | 2d70071 | 2015-09-22 10:30:30 -0300 | [diff] [blame] | 327 | struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); |
| 328 | struct netup_unidvb_buffer *buf = container_of(vbuf, |
Kozlov Sergey | 52b1eaf | 2015-07-28 11:33:04 -0300 | [diff] [blame] | 329 | struct netup_unidvb_buffer, vb); |
| 330 | |
| 331 | dev_dbg(&dma->ndev->pci_dev->dev, "%s(): %p\n", __func__, buf); |
| 332 | spin_lock_irqsave(&dma->lock, flags); |
| 333 | list_add_tail(&buf->list, &dma->free_buffers); |
| 334 | spin_unlock_irqrestore(&dma->lock, flags); |
| 335 | mod_timer(&dma->timeout, jiffies + msecs_to_jiffies(1000)); |
| 336 | } |
| 337 | |
| 338 | static int netup_unidvb_start_streaming(struct vb2_queue *q, unsigned int count) |
| 339 | { |
| 340 | struct netup_dma *dma = vb2_get_drv_priv(q); |
| 341 | |
| 342 | dev_dbg(&dma->ndev->pci_dev->dev, "%s()\n", __func__); |
| 343 | netup_unidvb_dma_enable(dma, 1); |
| 344 | return 0; |
| 345 | } |
| 346 | |
| 347 | static void netup_unidvb_stop_streaming(struct vb2_queue *q) |
| 348 | { |
| 349 | struct netup_dma *dma = vb2_get_drv_priv(q); |
| 350 | |
| 351 | dev_dbg(&dma->ndev->pci_dev->dev, "%s()\n", __func__); |
| 352 | netup_unidvb_dma_enable(dma, 0); |
| 353 | netup_unidvb_queue_cleanup(dma); |
| 354 | } |
| 355 | |
| 356 | static struct vb2_ops dvb_qops = { |
| 357 | .queue_setup = netup_unidvb_queue_setup, |
| 358 | .buf_prepare = netup_unidvb_buf_prepare, |
| 359 | .buf_queue = netup_unidvb_buf_queue, |
| 360 | .start_streaming = netup_unidvb_start_streaming, |
| 361 | .stop_streaming = netup_unidvb_stop_streaming, |
| 362 | }; |
| 363 | |
| 364 | static int netup_unidvb_queue_init(struct netup_dma *dma, |
| 365 | struct vb2_queue *vb_queue) |
| 366 | { |
| 367 | int res; |
| 368 | |
| 369 | /* Init videobuf2 queue structure */ |
| 370 | vb_queue->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
| 371 | vb_queue->io_modes = VB2_MMAP | VB2_USERPTR | VB2_READ; |
| 372 | vb_queue->drv_priv = dma; |
| 373 | vb_queue->buf_struct_size = sizeof(struct netup_unidvb_buffer); |
| 374 | vb_queue->ops = &dvb_qops; |
| 375 | vb_queue->mem_ops = &vb2_vmalloc_memops; |
| 376 | vb_queue->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; |
| 377 | res = vb2_queue_init(vb_queue); |
| 378 | if (res != 0) { |
| 379 | dev_err(&dma->ndev->pci_dev->dev, |
| 380 | "%s(): vb2_queue_init failed (%d)\n", __func__, res); |
| 381 | } |
| 382 | return res; |
| 383 | } |
| 384 | |
| 385 | static int netup_unidvb_dvb_init(struct netup_unidvb_dev *ndev, |
| 386 | int num) |
| 387 | { |
Abylay Ospan | 3f3b48a | 2016-05-14 00:08:40 -0300 | [diff] [blame] | 388 | int fe_count = 2; |
Abylay Ospan | e4c645f | 2016-03-23 22:34:07 -0300 | [diff] [blame] | 389 | int i = 0; |
Abylay Ospan | 3f3b48a | 2016-05-14 00:08:40 -0300 | [diff] [blame] | 390 | struct vb2_dvb_frontend *fes[2]; |
Abylay Ospan | e4c645f | 2016-03-23 22:34:07 -0300 | [diff] [blame] | 391 | u8 fe_name[32]; |
| 392 | |
Abylay Ospan | 3f3b48a | 2016-05-14 00:08:40 -0300 | [diff] [blame] | 393 | if (ndev->rev == NETUP_HW_REV_1_3) |
Abylay Ospan | e4c645f | 2016-03-23 22:34:07 -0300 | [diff] [blame] | 394 | demod_config.xtal = SONY_XTAL_20500; |
Abylay Ospan | 3f3b48a | 2016-05-14 00:08:40 -0300 | [diff] [blame] | 395 | else |
Abylay Ospan | e4c645f | 2016-03-23 22:34:07 -0300 | [diff] [blame] | 396 | demod_config.xtal = SONY_XTAL_24000; |
Kozlov Sergey | 52b1eaf | 2015-07-28 11:33:04 -0300 | [diff] [blame] | 397 | |
| 398 | if (num < 0 || num > 1) { |
| 399 | dev_dbg(&ndev->pci_dev->dev, |
| 400 | "%s(): unable to init DVB bus %d\n", __func__, num); |
| 401 | return -ENODEV; |
| 402 | } |
| 403 | mutex_init(&ndev->frontends[num].lock); |
| 404 | INIT_LIST_HEAD(&ndev->frontends[num].felist); |
Abylay Ospan | e4c645f | 2016-03-23 22:34:07 -0300 | [diff] [blame] | 405 | |
| 406 | for (i = 0; i < fe_count; i++) { |
| 407 | if (vb2_dvb_alloc_frontend(&ndev->frontends[num], i+1) |
| 408 | == NULL) { |
| 409 | dev_err(&ndev->pci_dev->dev, |
| 410 | "%s(): unable to allocate vb2_dvb_frontend\n", |
| 411 | __func__); |
| 412 | return -ENOMEM; |
| 413 | } |
Kozlov Sergey | 52b1eaf | 2015-07-28 11:33:04 -0300 | [diff] [blame] | 414 | } |
Abylay Ospan | e4c645f | 2016-03-23 22:34:07 -0300 | [diff] [blame] | 415 | |
| 416 | for (i = 0; i < fe_count; i++) { |
| 417 | fes[i] = vb2_dvb_get_frontend(&ndev->frontends[num], i+1); |
| 418 | if (fes[i] == NULL) { |
| 419 | dev_err(&ndev->pci_dev->dev, |
| 420 | "%s(): frontends has not been allocated\n", |
| 421 | __func__); |
| 422 | return -EINVAL; |
| 423 | } |
Kozlov Sergey | 52b1eaf | 2015-07-28 11:33:04 -0300 | [diff] [blame] | 424 | } |
Abylay Ospan | e4c645f | 2016-03-23 22:34:07 -0300 | [diff] [blame] | 425 | |
| 426 | for (i = 0; i < fe_count; i++) { |
| 427 | netup_unidvb_queue_init(&ndev->dma[num], &fes[i]->dvb.dvbq); |
| 428 | snprintf(fe_name, sizeof(fe_name), "netup_fe%d", i); |
| 429 | fes[i]->dvb.name = fe_name; |
| 430 | } |
| 431 | |
| 432 | fes[0]->dvb.frontend = dvb_attach(cxd2841er_attach_s, |
Kozlov Sergey | 52b1eaf | 2015-07-28 11:33:04 -0300 | [diff] [blame] | 433 | &demod_config, &ndev->i2c[num].adap); |
Abylay Ospan | e4c645f | 2016-03-23 22:34:07 -0300 | [diff] [blame] | 434 | if (fes[0]->dvb.frontend == NULL) { |
Kozlov Sergey | 52b1eaf | 2015-07-28 11:33:04 -0300 | [diff] [blame] | 435 | dev_dbg(&ndev->pci_dev->dev, |
| 436 | "%s(): unable to attach DVB-S/S2 frontend\n", |
| 437 | __func__); |
| 438 | goto frontend_detach; |
| 439 | } |
Abylay Ospan | e4c645f | 2016-03-23 22:34:07 -0300 | [diff] [blame] | 440 | |
| 441 | if (ndev->rev == NETUP_HW_REV_1_3) { |
| 442 | horus3a_conf.set_tuner_priv = &ndev->dma[num]; |
| 443 | if (!dvb_attach(horus3a_attach, fes[0]->dvb.frontend, |
| 444 | &horus3a_conf, &ndev->i2c[num].adap)) { |
| 445 | dev_dbg(&ndev->pci_dev->dev, |
| 446 | "%s(): unable to attach HORUS3A DVB-S/S2 tuner frontend\n", |
| 447 | __func__); |
| 448 | goto frontend_detach; |
| 449 | } |
| 450 | } else { |
| 451 | helene_conf.set_tuner_priv = &ndev->dma[num]; |
| 452 | if (!dvb_attach(helene_attach_s, fes[0]->dvb.frontend, |
| 453 | &helene_conf, &ndev->i2c[num].adap)) { |
| 454 | dev_err(&ndev->pci_dev->dev, |
| 455 | "%s(): unable to attach HELENE DVB-S/S2 tuner frontend\n", |
| 456 | __func__); |
| 457 | goto frontend_detach; |
| 458 | } |
Kozlov Sergey | 52b1eaf | 2015-07-28 11:33:04 -0300 | [diff] [blame] | 459 | } |
Abylay Ospan | e4c645f | 2016-03-23 22:34:07 -0300 | [diff] [blame] | 460 | |
| 461 | if (!dvb_attach(lnbh25_attach, fes[0]->dvb.frontend, |
Kozlov Sergey | 52b1eaf | 2015-07-28 11:33:04 -0300 | [diff] [blame] | 462 | &lnbh25_conf, &ndev->i2c[num].adap)) { |
| 463 | dev_dbg(&ndev->pci_dev->dev, |
| 464 | "%s(): unable to attach SEC frontend\n", __func__); |
| 465 | goto frontend_detach; |
| 466 | } |
Abylay Ospan | e4c645f | 2016-03-23 22:34:07 -0300 | [diff] [blame] | 467 | |
Kozlov Sergey | 52b1eaf | 2015-07-28 11:33:04 -0300 | [diff] [blame] | 468 | /* DVB-T/T2 frontend */ |
Abylay Ospan | 3f3b48a | 2016-05-14 00:08:40 -0300 | [diff] [blame] | 469 | fes[1]->dvb.frontend = dvb_attach(cxd2841er_attach_t_c, |
Kozlov Sergey | 52b1eaf | 2015-07-28 11:33:04 -0300 | [diff] [blame] | 470 | &demod_config, &ndev->i2c[num].adap); |
Abylay Ospan | e4c645f | 2016-03-23 22:34:07 -0300 | [diff] [blame] | 471 | if (fes[1]->dvb.frontend == NULL) { |
Kozlov Sergey | 52b1eaf | 2015-07-28 11:33:04 -0300 | [diff] [blame] | 472 | dev_dbg(&ndev->pci_dev->dev, |
Abylay Ospan | 3f3b48a | 2016-05-14 00:08:40 -0300 | [diff] [blame] | 473 | "%s(): unable to attach Ter frontend\n", __func__); |
Kozlov Sergey | 52b1eaf | 2015-07-28 11:33:04 -0300 | [diff] [blame] | 474 | goto frontend_detach; |
| 475 | } |
Abylay Ospan | e4c645f | 2016-03-23 22:34:07 -0300 | [diff] [blame] | 476 | fes[1]->dvb.frontend->id = 1; |
| 477 | if (ndev->rev == NETUP_HW_REV_1_3) { |
| 478 | ascot2e_conf.set_tuner_priv = &ndev->dma[num]; |
| 479 | if (!dvb_attach(ascot2e_attach, fes[1]->dvb.frontend, |
| 480 | &ascot2e_conf, &ndev->i2c[num].adap)) { |
| 481 | dev_dbg(&ndev->pci_dev->dev, |
Abylay Ospan | 3f3b48a | 2016-05-14 00:08:40 -0300 | [diff] [blame] | 482 | "%s(): unable to attach Ter tuner frontend\n", |
Abylay Ospan | e4c645f | 2016-03-23 22:34:07 -0300 | [diff] [blame] | 483 | __func__); |
| 484 | goto frontend_detach; |
| 485 | } |
| 486 | } else { |
| 487 | helene_conf.set_tuner_priv = &ndev->dma[num]; |
| 488 | if (!dvb_attach(helene_attach, fes[1]->dvb.frontend, |
| 489 | &helene_conf, &ndev->i2c[num].adap)) { |
| 490 | dev_err(&ndev->pci_dev->dev, |
Abylay Ospan | e4c645f | 2016-03-23 22:34:07 -0300 | [diff] [blame] | 491 | "%s(): unable to attach HELENE Ter tuner frontend\n", |
| 492 | __func__); |
| 493 | goto frontend_detach; |
| 494 | } |
Kozlov Sergey | 52b1eaf | 2015-07-28 11:33:04 -0300 | [diff] [blame] | 495 | } |
| 496 | |
| 497 | if (vb2_dvb_register_bus(&ndev->frontends[num], |
Mauro Carvalho Chehab | 2773b0e | 2016-02-05 08:35:50 -0200 | [diff] [blame] | 498 | THIS_MODULE, NULL, |
| 499 | &ndev->pci_dev->dev, NULL, adapter_nr, 1)) { |
Kozlov Sergey | 52b1eaf | 2015-07-28 11:33:04 -0300 | [diff] [blame] | 500 | dev_dbg(&ndev->pci_dev->dev, |
| 501 | "%s(): unable to register DVB bus %d\n", |
| 502 | __func__, num); |
| 503 | goto frontend_detach; |
| 504 | } |
| 505 | dev_info(&ndev->pci_dev->dev, "DVB init done, num=%d\n", num); |
| 506 | return 0; |
| 507 | frontend_detach: |
| 508 | vb2_dvb_dealloc_frontends(&ndev->frontends[num]); |
| 509 | return -EINVAL; |
| 510 | } |
| 511 | |
| 512 | static void netup_unidvb_dvb_fini(struct netup_unidvb_dev *ndev, int num) |
| 513 | { |
| 514 | if (num < 0 || num > 1) { |
| 515 | dev_err(&ndev->pci_dev->dev, |
| 516 | "%s(): unable to unregister DVB bus %d\n", |
| 517 | __func__, num); |
| 518 | return; |
| 519 | } |
| 520 | vb2_dvb_unregister_bus(&ndev->frontends[num]); |
| 521 | dev_info(&ndev->pci_dev->dev, |
| 522 | "%s(): DVB bus %d unregistered\n", __func__, num); |
| 523 | } |
| 524 | |
| 525 | static int netup_unidvb_dvb_setup(struct netup_unidvb_dev *ndev) |
| 526 | { |
| 527 | int res; |
| 528 | |
| 529 | res = netup_unidvb_dvb_init(ndev, 0); |
| 530 | if (res) |
| 531 | return res; |
| 532 | res = netup_unidvb_dvb_init(ndev, 1); |
| 533 | if (res) { |
| 534 | netup_unidvb_dvb_fini(ndev, 0); |
| 535 | return res; |
| 536 | } |
| 537 | return 0; |
| 538 | } |
| 539 | |
| 540 | static int netup_unidvb_ring_copy(struct netup_dma *dma, |
| 541 | struct netup_unidvb_buffer *buf) |
| 542 | { |
| 543 | u32 copy_bytes, ring_bytes; |
| 544 | u32 buff_bytes = NETUP_DMA_PACKETS_COUNT * 188 - buf->size; |
Junghak Sung | 2d70071 | 2015-09-22 10:30:30 -0300 | [diff] [blame] | 545 | u8 *p = vb2_plane_vaddr(&buf->vb.vb2_buf, 0); |
Kozlov Sergey | 52b1eaf | 2015-07-28 11:33:04 -0300 | [diff] [blame] | 546 | struct netup_unidvb_dev *ndev = dma->ndev; |
| 547 | |
| 548 | if (p == NULL) { |
| 549 | dev_err(&ndev->pci_dev->dev, |
| 550 | "%s(): buffer is NULL\n", __func__); |
| 551 | return -EINVAL; |
| 552 | } |
| 553 | p += buf->size; |
| 554 | if (dma->data_offset + dma->data_size > dma->ring_buffer_size) { |
| 555 | ring_bytes = dma->ring_buffer_size - dma->data_offset; |
| 556 | copy_bytes = (ring_bytes > buff_bytes) ? |
| 557 | buff_bytes : ring_bytes; |
Mauro Carvalho Chehab | d91b1d9 | 2015-10-01 18:49:29 -0300 | [diff] [blame] | 558 | memcpy_fromio(p, (u8 __iomem *)(dma->addr_virt + dma->data_offset), copy_bytes); |
Kozlov Sergey | 52b1eaf | 2015-07-28 11:33:04 -0300 | [diff] [blame] | 559 | p += copy_bytes; |
| 560 | buf->size += copy_bytes; |
| 561 | buff_bytes -= copy_bytes; |
| 562 | dma->data_size -= copy_bytes; |
| 563 | dma->data_offset += copy_bytes; |
| 564 | if (dma->data_offset == dma->ring_buffer_size) |
| 565 | dma->data_offset = 0; |
| 566 | } |
| 567 | if (buff_bytes > 0) { |
| 568 | ring_bytes = dma->data_size; |
| 569 | copy_bytes = (ring_bytes > buff_bytes) ? |
| 570 | buff_bytes : ring_bytes; |
Mauro Carvalho Chehab | d91b1d9 | 2015-10-01 18:49:29 -0300 | [diff] [blame] | 571 | memcpy_fromio(p, (u8 __iomem *)(dma->addr_virt + dma->data_offset), copy_bytes); |
Kozlov Sergey | 52b1eaf | 2015-07-28 11:33:04 -0300 | [diff] [blame] | 572 | buf->size += copy_bytes; |
| 573 | dma->data_size -= copy_bytes; |
| 574 | dma->data_offset += copy_bytes; |
| 575 | if (dma->data_offset == dma->ring_buffer_size) |
| 576 | dma->data_offset = 0; |
| 577 | } |
| 578 | return 0; |
| 579 | } |
| 580 | |
| 581 | static void netup_unidvb_dma_worker(struct work_struct *work) |
| 582 | { |
| 583 | struct netup_dma *dma = container_of(work, struct netup_dma, work); |
| 584 | struct netup_unidvb_dev *ndev = dma->ndev; |
| 585 | struct netup_unidvb_buffer *buf; |
| 586 | unsigned long flags; |
| 587 | |
| 588 | spin_lock_irqsave(&dma->lock, flags); |
| 589 | if (dma->data_size == 0) { |
| 590 | dev_dbg(&ndev->pci_dev->dev, |
| 591 | "%s(): data_size == 0\n", __func__); |
| 592 | goto work_done; |
| 593 | } |
| 594 | while (dma->data_size > 0) { |
| 595 | if (list_empty(&dma->free_buffers)) { |
| 596 | dev_dbg(&ndev->pci_dev->dev, |
| 597 | "%s(): no free buffers\n", __func__); |
| 598 | goto work_done; |
| 599 | } |
| 600 | buf = list_first_entry(&dma->free_buffers, |
| 601 | struct netup_unidvb_buffer, list); |
| 602 | if (buf->size >= NETUP_DMA_PACKETS_COUNT * 188) { |
| 603 | dev_dbg(&ndev->pci_dev->dev, |
| 604 | "%s(): buffer overflow, size %d\n", |
| 605 | __func__, buf->size); |
| 606 | goto work_done; |
| 607 | } |
| 608 | if (netup_unidvb_ring_copy(dma, buf)) |
| 609 | goto work_done; |
| 610 | if (buf->size == NETUP_DMA_PACKETS_COUNT * 188) { |
| 611 | list_del(&buf->list); |
| 612 | dev_dbg(&ndev->pci_dev->dev, |
| 613 | "%s(): buffer %p done, size %d\n", |
| 614 | __func__, buf, buf->size); |
Junghak Sung | d6dd645 | 2015-11-03 08:16:37 -0200 | [diff] [blame] | 615 | buf->vb.vb2_buf.timestamp = ktime_get_ns(); |
Junghak Sung | 2d70071 | 2015-09-22 10:30:30 -0300 | [diff] [blame] | 616 | vb2_set_plane_payload(&buf->vb.vb2_buf, 0, buf->size); |
| 617 | vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_DONE); |
Kozlov Sergey | 52b1eaf | 2015-07-28 11:33:04 -0300 | [diff] [blame] | 618 | } |
| 619 | } |
| 620 | work_done: |
| 621 | dma->data_size = 0; |
| 622 | spin_unlock_irqrestore(&dma->lock, flags); |
| 623 | } |
| 624 | |
| 625 | static void netup_unidvb_queue_cleanup(struct netup_dma *dma) |
| 626 | { |
| 627 | struct netup_unidvb_buffer *buf; |
| 628 | unsigned long flags; |
| 629 | |
| 630 | spin_lock_irqsave(&dma->lock, flags); |
| 631 | while (!list_empty(&dma->free_buffers)) { |
| 632 | buf = list_first_entry(&dma->free_buffers, |
| 633 | struct netup_unidvb_buffer, list); |
| 634 | list_del(&buf->list); |
Junghak Sung | 2d70071 | 2015-09-22 10:30:30 -0300 | [diff] [blame] | 635 | vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR); |
Kozlov Sergey | 52b1eaf | 2015-07-28 11:33:04 -0300 | [diff] [blame] | 636 | } |
| 637 | spin_unlock_irqrestore(&dma->lock, flags); |
| 638 | } |
| 639 | |
| 640 | static void netup_unidvb_dma_timeout(unsigned long data) |
| 641 | { |
| 642 | struct netup_dma *dma = (struct netup_dma *)data; |
| 643 | struct netup_unidvb_dev *ndev = dma->ndev; |
| 644 | |
| 645 | dev_dbg(&ndev->pci_dev->dev, "%s()\n", __func__); |
| 646 | netup_unidvb_queue_cleanup(dma); |
| 647 | } |
| 648 | |
| 649 | static int netup_unidvb_dma_init(struct netup_unidvb_dev *ndev, int num) |
| 650 | { |
| 651 | struct netup_dma *dma; |
| 652 | struct device *dev = &ndev->pci_dev->dev; |
| 653 | |
| 654 | if (num < 0 || num > 1) { |
| 655 | dev_err(dev, "%s(): unable to register DMA%d\n", |
| 656 | __func__, num); |
| 657 | return -ENODEV; |
| 658 | } |
| 659 | dma = &ndev->dma[num]; |
| 660 | dev_info(dev, "%s(): starting DMA%d\n", __func__, num); |
| 661 | dma->num = num; |
| 662 | dma->ndev = ndev; |
| 663 | spin_lock_init(&dma->lock); |
| 664 | INIT_WORK(&dma->work, netup_unidvb_dma_worker); |
| 665 | INIT_LIST_HEAD(&dma->free_buffers); |
| 666 | dma->timeout.function = netup_unidvb_dma_timeout; |
| 667 | dma->timeout.data = (unsigned long)dma; |
| 668 | init_timer(&dma->timeout); |
| 669 | dma->ring_buffer_size = ndev->dma_size / 2; |
| 670 | dma->addr_virt = ndev->dma_virt + dma->ring_buffer_size * num; |
| 671 | dma->addr_phys = (dma_addr_t)((u64)ndev->dma_phys + |
| 672 | dma->ring_buffer_size * num); |
| 673 | dev_info(dev, "%s(): DMA%d buffer virt/phys 0x%p/0x%llx size %d\n", |
| 674 | __func__, num, dma->addr_virt, |
| 675 | (unsigned long long)dma->addr_phys, |
| 676 | dma->ring_buffer_size); |
Mauro Carvalho Chehab | d91b1d9 | 2015-10-01 18:49:29 -0300 | [diff] [blame] | 677 | memset_io((u8 __iomem *)dma->addr_virt, 0, dma->ring_buffer_size); |
Kozlov Sergey | 52b1eaf | 2015-07-28 11:33:04 -0300 | [diff] [blame] | 678 | dma->addr_last = dma->addr_phys; |
| 679 | dma->high_addr = (u32)(dma->addr_phys & 0xC0000000); |
Mauro Carvalho Chehab | d91b1d9 | 2015-10-01 18:49:29 -0300 | [diff] [blame] | 680 | dma->regs = (struct netup_dma_regs __iomem *)(num == 0 ? |
Kozlov Sergey | 52b1eaf | 2015-07-28 11:33:04 -0300 | [diff] [blame] | 681 | ndev->bmmio0 + NETUP_DMA0_ADDR : |
| 682 | ndev->bmmio0 + NETUP_DMA1_ADDR); |
| 683 | writel((NETUP_DMA_BLOCKS_COUNT << 24) | |
| 684 | (NETUP_DMA_PACKETS_COUNT << 8) | 188, &dma->regs->size); |
| 685 | writel((u32)(dma->addr_phys & 0x3FFFFFFF), &dma->regs->start_addr_lo); |
| 686 | writel(0, &dma->regs->start_addr_hi); |
| 687 | writel(dma->high_addr, ndev->bmmio0 + 0x1000); |
| 688 | writel(375000000, &dma->regs->timeout); |
| 689 | msleep(1000); |
| 690 | writel(BIT_DMA_IRQ, &dma->regs->ctrlstat_clear); |
| 691 | return 0; |
| 692 | } |
| 693 | |
| 694 | static void netup_unidvb_dma_fini(struct netup_unidvb_dev *ndev, int num) |
| 695 | { |
| 696 | struct netup_dma *dma; |
| 697 | |
| 698 | if (num < 0 || num > 1) |
| 699 | return; |
| 700 | dev_dbg(&ndev->pci_dev->dev, "%s(): num %d\n", __func__, num); |
| 701 | dma = &ndev->dma[num]; |
| 702 | netup_unidvb_dma_enable(dma, 0); |
| 703 | msleep(50); |
| 704 | cancel_work_sync(&dma->work); |
| 705 | del_timer(&dma->timeout); |
| 706 | } |
| 707 | |
| 708 | static int netup_unidvb_dma_setup(struct netup_unidvb_dev *ndev) |
| 709 | { |
| 710 | int res; |
| 711 | |
| 712 | res = netup_unidvb_dma_init(ndev, 0); |
| 713 | if (res) |
| 714 | return res; |
| 715 | res = netup_unidvb_dma_init(ndev, 1); |
| 716 | if (res) { |
| 717 | netup_unidvb_dma_fini(ndev, 0); |
| 718 | return res; |
| 719 | } |
| 720 | netup_unidvb_dma_enable(&ndev->dma[0], 0); |
| 721 | netup_unidvb_dma_enable(&ndev->dma[1], 0); |
| 722 | return 0; |
| 723 | } |
| 724 | |
| 725 | static int netup_unidvb_ci_setup(struct netup_unidvb_dev *ndev, |
| 726 | struct pci_dev *pci_dev) |
| 727 | { |
| 728 | int res; |
| 729 | |
| 730 | writew(NETUP_UNIDVB_IRQ_CI, ndev->bmmio0 + REG_IMASK_SET); |
| 731 | res = netup_unidvb_ci_register(ndev, 0, pci_dev); |
| 732 | if (res) |
| 733 | return res; |
| 734 | res = netup_unidvb_ci_register(ndev, 1, pci_dev); |
| 735 | if (res) |
| 736 | netup_unidvb_ci_unregister(ndev, 0); |
| 737 | return res; |
| 738 | } |
| 739 | |
| 740 | static int netup_unidvb_request_mmio(struct pci_dev *pci_dev) |
| 741 | { |
| 742 | if (!request_mem_region(pci_resource_start(pci_dev, 0), |
| 743 | pci_resource_len(pci_dev, 0), NETUP_UNIDVB_NAME)) { |
| 744 | dev_err(&pci_dev->dev, |
| 745 | "%s(): unable to request MMIO bar 0 at 0x%llx\n", |
| 746 | __func__, |
| 747 | (unsigned long long)pci_resource_start(pci_dev, 0)); |
| 748 | return -EBUSY; |
| 749 | } |
| 750 | if (!request_mem_region(pci_resource_start(pci_dev, 1), |
| 751 | pci_resource_len(pci_dev, 1), NETUP_UNIDVB_NAME)) { |
| 752 | dev_err(&pci_dev->dev, |
| 753 | "%s(): unable to request MMIO bar 1 at 0x%llx\n", |
| 754 | __func__, |
| 755 | (unsigned long long)pci_resource_start(pci_dev, 1)); |
| 756 | release_mem_region(pci_resource_start(pci_dev, 0), |
| 757 | pci_resource_len(pci_dev, 0)); |
| 758 | return -EBUSY; |
| 759 | } |
| 760 | return 0; |
| 761 | } |
| 762 | |
| 763 | static int netup_unidvb_request_modules(struct device *dev) |
| 764 | { |
| 765 | static const char * const modules[] = { |
Abylay Ospan | e4c645f | 2016-03-23 22:34:07 -0300 | [diff] [blame] | 766 | "lnbh25", "ascot2e", "horus3a", "cxd2841er", "helene", NULL |
Kozlov Sergey | 52b1eaf | 2015-07-28 11:33:04 -0300 | [diff] [blame] | 767 | }; |
| 768 | const char * const *curr_mod = modules; |
| 769 | int err; |
| 770 | |
| 771 | while (*curr_mod != NULL) { |
| 772 | err = request_module(*curr_mod); |
| 773 | if (err) { |
| 774 | dev_warn(dev, "request_module(%s) failed: %d\n", |
| 775 | *curr_mod, err); |
| 776 | } |
| 777 | ++curr_mod; |
| 778 | } |
| 779 | return 0; |
| 780 | } |
| 781 | |
| 782 | static int netup_unidvb_initdev(struct pci_dev *pci_dev, |
| 783 | const struct pci_device_id *pci_id) |
| 784 | { |
| 785 | u8 board_revision; |
| 786 | u16 board_vendor; |
| 787 | struct netup_unidvb_dev *ndev; |
| 788 | int old_firmware = 0; |
| 789 | |
| 790 | netup_unidvb_request_modules(&pci_dev->dev); |
| 791 | |
| 792 | /* Check card revision */ |
| 793 | if (pci_dev->revision != NETUP_PCI_DEV_REVISION) { |
| 794 | dev_err(&pci_dev->dev, |
| 795 | "netup_unidvb: expected card revision %d, got %d\n", |
| 796 | NETUP_PCI_DEV_REVISION, pci_dev->revision); |
| 797 | dev_err(&pci_dev->dev, |
| 798 | "Please upgrade firmware!\n"); |
| 799 | dev_err(&pci_dev->dev, |
| 800 | "Instructions on http://www.netup.tv\n"); |
| 801 | old_firmware = 1; |
| 802 | spi_enable = 1; |
| 803 | } |
| 804 | |
| 805 | /* allocate device context */ |
| 806 | ndev = kzalloc(sizeof(*ndev), GFP_KERNEL); |
Kozlov Sergey | 52b1eaf | 2015-07-28 11:33:04 -0300 | [diff] [blame] | 807 | if (!ndev) |
| 808 | goto dev_alloc_err; |
Christophe JAILLET | df47512 | 2016-01-10 05:20:16 -0200 | [diff] [blame] | 809 | |
Abylay Ospan | e4c645f | 2016-03-23 22:34:07 -0300 | [diff] [blame] | 810 | /* detect hardware revision */ |
| 811 | if (pci_dev->device == NETUP_HW_REV_1_3) |
| 812 | ndev->rev = NETUP_HW_REV_1_3; |
| 813 | else |
| 814 | ndev->rev = NETUP_HW_REV_1_4; |
| 815 | |
| 816 | dev_info(&pci_dev->dev, |
| 817 | "%s(): board (0x%x) hardware revision 0x%x\n", |
| 818 | __func__, pci_dev->device, ndev->rev); |
| 819 | |
Kozlov Sergey | 52b1eaf | 2015-07-28 11:33:04 -0300 | [diff] [blame] | 820 | ndev->old_fw = old_firmware; |
| 821 | ndev->wq = create_singlethread_workqueue(NETUP_UNIDVB_NAME); |
| 822 | if (!ndev->wq) { |
| 823 | dev_err(&pci_dev->dev, |
| 824 | "%s(): unable to create workqueue\n", __func__); |
| 825 | goto wq_create_err; |
| 826 | } |
| 827 | ndev->pci_dev = pci_dev; |
| 828 | ndev->pci_bus = pci_dev->bus->number; |
| 829 | ndev->pci_slot = PCI_SLOT(pci_dev->devfn); |
| 830 | ndev->pci_func = PCI_FUNC(pci_dev->devfn); |
| 831 | ndev->board_num = ndev->pci_bus*10 + ndev->pci_slot; |
| 832 | pci_set_drvdata(pci_dev, ndev); |
| 833 | /* PCI init */ |
| 834 | dev_info(&pci_dev->dev, "%s(): PCI device (%d). Bus:0x%x Slot:0x%x\n", |
| 835 | __func__, ndev->board_num, ndev->pci_bus, ndev->pci_slot); |
| 836 | |
| 837 | if (pci_enable_device(pci_dev)) { |
| 838 | dev_err(&pci_dev->dev, "%s(): pci_enable_device failed\n", |
| 839 | __func__); |
| 840 | goto pci_enable_err; |
| 841 | } |
| 842 | /* read PCI info */ |
| 843 | pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &board_revision); |
| 844 | pci_read_config_word(pci_dev, PCI_VENDOR_ID, &board_vendor); |
| 845 | if (board_vendor != NETUP_VENDOR_ID) { |
| 846 | dev_err(&pci_dev->dev, "%s(): unknown board vendor 0x%x", |
| 847 | __func__, board_vendor); |
| 848 | goto pci_detect_err; |
| 849 | } |
| 850 | dev_info(&pci_dev->dev, |
| 851 | "%s(): board vendor 0x%x, revision 0x%x\n", |
| 852 | __func__, board_vendor, board_revision); |
| 853 | pci_set_master(pci_dev); |
Christoph Hellwig | 1a47de6 | 2015-11-20 15:57:07 -0800 | [diff] [blame] | 854 | if (pci_set_dma_mask(pci_dev, 0xffffffff) < 0) { |
Kozlov Sergey | 52b1eaf | 2015-07-28 11:33:04 -0300 | [diff] [blame] | 855 | dev_err(&pci_dev->dev, |
| 856 | "%s(): 32bit PCI DMA is not supported\n", __func__); |
| 857 | goto pci_detect_err; |
| 858 | } |
| 859 | dev_info(&pci_dev->dev, "%s(): using 32bit PCI DMA\n", __func__); |
| 860 | /* Clear "no snoop" and "relaxed ordering" bits, use default MRRS. */ |
| 861 | pcie_capability_clear_and_set_word(pci_dev, PCI_EXP_DEVCTL, |
| 862 | PCI_EXP_DEVCTL_READRQ | PCI_EXP_DEVCTL_RELAX_EN | |
| 863 | PCI_EXP_DEVCTL_NOSNOOP_EN, 0); |
| 864 | /* Adjust PCIe completion timeout. */ |
| 865 | pcie_capability_clear_and_set_word(pci_dev, |
| 866 | PCI_EXP_DEVCTL2, 0xf, 0x2); |
| 867 | |
| 868 | if (netup_unidvb_request_mmio(pci_dev)) { |
| 869 | dev_err(&pci_dev->dev, |
| 870 | "%s(): unable to request MMIO regions\n", __func__); |
| 871 | goto pci_detect_err; |
| 872 | } |
| 873 | ndev->lmmio0 = ioremap(pci_resource_start(pci_dev, 0), |
| 874 | pci_resource_len(pci_dev, 0)); |
| 875 | if (!ndev->lmmio0) { |
| 876 | dev_err(&pci_dev->dev, |
| 877 | "%s(): unable to remap MMIO bar 0\n", __func__); |
| 878 | goto pci_bar0_error; |
| 879 | } |
| 880 | ndev->lmmio1 = ioremap(pci_resource_start(pci_dev, 1), |
| 881 | pci_resource_len(pci_dev, 1)); |
| 882 | if (!ndev->lmmio1) { |
| 883 | dev_err(&pci_dev->dev, |
| 884 | "%s(): unable to remap MMIO bar 1\n", __func__); |
| 885 | goto pci_bar1_error; |
| 886 | } |
| 887 | ndev->bmmio0 = (u8 __iomem *)ndev->lmmio0; |
| 888 | ndev->bmmio1 = (u8 __iomem *)ndev->lmmio1; |
| 889 | dev_info(&pci_dev->dev, |
| 890 | "%s(): PCI MMIO at 0x%p (%d); 0x%p (%d); IRQ %d", |
| 891 | __func__, |
| 892 | ndev->lmmio0, (u32)pci_resource_len(pci_dev, 0), |
| 893 | ndev->lmmio1, (u32)pci_resource_len(pci_dev, 1), |
| 894 | pci_dev->irq); |
| 895 | if (request_irq(pci_dev->irq, netup_unidvb_isr, IRQF_SHARED, |
| 896 | "netup_unidvb", pci_dev) < 0) { |
| 897 | dev_err(&pci_dev->dev, |
| 898 | "%s(): can't get IRQ %d\n", __func__, pci_dev->irq); |
| 899 | goto irq_request_err; |
| 900 | } |
| 901 | ndev->dma_size = 2 * 188 * |
| 902 | NETUP_DMA_BLOCKS_COUNT * NETUP_DMA_PACKETS_COUNT; |
| 903 | ndev->dma_virt = dma_alloc_coherent(&pci_dev->dev, |
| 904 | ndev->dma_size, &ndev->dma_phys, GFP_KERNEL); |
| 905 | if (!ndev->dma_virt) { |
| 906 | dev_err(&pci_dev->dev, "%s(): unable to allocate DMA buffer\n", |
| 907 | __func__); |
| 908 | goto dma_alloc_err; |
| 909 | } |
| 910 | netup_unidvb_dev_enable(ndev); |
| 911 | if (spi_enable && netup_spi_init(ndev)) { |
| 912 | dev_warn(&pci_dev->dev, |
| 913 | "netup_unidvb: SPI flash setup failed\n"); |
| 914 | goto spi_setup_err; |
| 915 | } |
| 916 | if (old_firmware) { |
| 917 | dev_err(&pci_dev->dev, |
| 918 | "netup_unidvb: card initialization was incomplete\n"); |
| 919 | return 0; |
| 920 | } |
| 921 | if (netup_i2c_register(ndev)) { |
| 922 | dev_err(&pci_dev->dev, "netup_unidvb: I2C setup failed\n"); |
| 923 | goto i2c_setup_err; |
| 924 | } |
| 925 | /* enable I2C IRQs */ |
| 926 | writew(NETUP_UNIDVB_IRQ_I2C0 | NETUP_UNIDVB_IRQ_I2C1, |
| 927 | ndev->bmmio0 + REG_IMASK_SET); |
| 928 | usleep_range(5000, 10000); |
| 929 | if (netup_unidvb_dvb_setup(ndev)) { |
| 930 | dev_err(&pci_dev->dev, "netup_unidvb: DVB setup failed\n"); |
| 931 | goto dvb_setup_err; |
| 932 | } |
| 933 | if (netup_unidvb_ci_setup(ndev, pci_dev)) { |
| 934 | dev_err(&pci_dev->dev, "netup_unidvb: CI setup failed\n"); |
| 935 | goto ci_setup_err; |
| 936 | } |
| 937 | if (netup_unidvb_dma_setup(ndev)) { |
| 938 | dev_err(&pci_dev->dev, "netup_unidvb: DMA setup failed\n"); |
| 939 | goto dma_setup_err; |
| 940 | } |
| 941 | dev_info(&pci_dev->dev, |
| 942 | "netup_unidvb: device has been initialized\n"); |
| 943 | return 0; |
| 944 | dma_setup_err: |
| 945 | netup_unidvb_ci_unregister(ndev, 0); |
| 946 | netup_unidvb_ci_unregister(ndev, 1); |
| 947 | ci_setup_err: |
| 948 | netup_unidvb_dvb_fini(ndev, 0); |
| 949 | netup_unidvb_dvb_fini(ndev, 1); |
| 950 | dvb_setup_err: |
| 951 | netup_i2c_unregister(ndev); |
| 952 | i2c_setup_err: |
| 953 | if (ndev->spi) |
| 954 | netup_spi_release(ndev); |
| 955 | spi_setup_err: |
| 956 | dma_free_coherent(&pci_dev->dev, ndev->dma_size, |
| 957 | ndev->dma_virt, ndev->dma_phys); |
| 958 | dma_alloc_err: |
| 959 | free_irq(pci_dev->irq, pci_dev); |
| 960 | irq_request_err: |
| 961 | iounmap(ndev->lmmio1); |
| 962 | pci_bar1_error: |
| 963 | iounmap(ndev->lmmio0); |
| 964 | pci_bar0_error: |
| 965 | release_mem_region(pci_resource_start(pci_dev, 0), |
| 966 | pci_resource_len(pci_dev, 0)); |
| 967 | release_mem_region(pci_resource_start(pci_dev, 1), |
| 968 | pci_resource_len(pci_dev, 1)); |
| 969 | pci_detect_err: |
| 970 | pci_disable_device(pci_dev); |
| 971 | pci_enable_err: |
| 972 | pci_set_drvdata(pci_dev, NULL); |
| 973 | destroy_workqueue(ndev->wq); |
| 974 | wq_create_err: |
| 975 | kfree(ndev); |
| 976 | dev_alloc_err: |
| 977 | dev_err(&pci_dev->dev, |
| 978 | "%s(): failed to initizalize device\n", __func__); |
| 979 | return -EIO; |
| 980 | } |
| 981 | |
| 982 | static void netup_unidvb_finidev(struct pci_dev *pci_dev) |
| 983 | { |
| 984 | struct netup_unidvb_dev *ndev = pci_get_drvdata(pci_dev); |
| 985 | |
| 986 | dev_info(&pci_dev->dev, "%s(): trying to stop device\n", __func__); |
| 987 | if (!ndev->old_fw) { |
| 988 | netup_unidvb_dma_fini(ndev, 0); |
| 989 | netup_unidvb_dma_fini(ndev, 1); |
| 990 | netup_unidvb_ci_unregister(ndev, 0); |
| 991 | netup_unidvb_ci_unregister(ndev, 1); |
| 992 | netup_unidvb_dvb_fini(ndev, 0); |
| 993 | netup_unidvb_dvb_fini(ndev, 1); |
| 994 | netup_i2c_unregister(ndev); |
| 995 | } |
| 996 | if (ndev->spi) |
| 997 | netup_spi_release(ndev); |
| 998 | writew(0xffff, ndev->bmmio0 + REG_IMASK_CLEAR); |
| 999 | dma_free_coherent(&ndev->pci_dev->dev, ndev->dma_size, |
| 1000 | ndev->dma_virt, ndev->dma_phys); |
| 1001 | free_irq(pci_dev->irq, pci_dev); |
| 1002 | iounmap(ndev->lmmio0); |
| 1003 | iounmap(ndev->lmmio1); |
| 1004 | release_mem_region(pci_resource_start(pci_dev, 0), |
| 1005 | pci_resource_len(pci_dev, 0)); |
| 1006 | release_mem_region(pci_resource_start(pci_dev, 1), |
| 1007 | pci_resource_len(pci_dev, 1)); |
| 1008 | pci_disable_device(pci_dev); |
| 1009 | pci_set_drvdata(pci_dev, NULL); |
| 1010 | destroy_workqueue(ndev->wq); |
| 1011 | kfree(ndev); |
| 1012 | dev_info(&pci_dev->dev, |
| 1013 | "%s(): device has been successfully stopped\n", __func__); |
| 1014 | } |
| 1015 | |
| 1016 | |
| 1017 | static struct pci_device_id netup_unidvb_pci_tbl[] = { |
Abylay Ospan | e4c645f | 2016-03-23 22:34:07 -0300 | [diff] [blame] | 1018 | { PCI_DEVICE(0x1b55, 0x18f6) }, /* hw rev. 1.3 */ |
| 1019 | { PCI_DEVICE(0x1b55, 0x18f7) }, /* hw rev. 1.4 */ |
Kozlov Sergey | 52b1eaf | 2015-07-28 11:33:04 -0300 | [diff] [blame] | 1020 | { 0, } |
| 1021 | }; |
| 1022 | MODULE_DEVICE_TABLE(pci, netup_unidvb_pci_tbl); |
| 1023 | |
| 1024 | static struct pci_driver netup_unidvb_pci_driver = { |
| 1025 | .name = "netup_unidvb", |
| 1026 | .id_table = netup_unidvb_pci_tbl, |
| 1027 | .probe = netup_unidvb_initdev, |
| 1028 | .remove = netup_unidvb_finidev, |
| 1029 | .suspend = NULL, |
| 1030 | .resume = NULL, |
| 1031 | }; |
| 1032 | |
| 1033 | static int __init netup_unidvb_init(void) |
| 1034 | { |
| 1035 | return pci_register_driver(&netup_unidvb_pci_driver); |
| 1036 | } |
| 1037 | |
| 1038 | static void __exit netup_unidvb_fini(void) |
| 1039 | { |
| 1040 | pci_unregister_driver(&netup_unidvb_pci_driver); |
| 1041 | } |
| 1042 | |
| 1043 | module_init(netup_unidvb_init); |
| 1044 | module_exit(netup_unidvb_fini); |