linux/drivers/media/pci/cobalt/cobalt-driver.h
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   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 *  cobalt driver internal defines and structures
   4 *
   5 *  Derived from cx18-driver.h
   6 *
   7 *  Copyright 2012-2015 Cisco Systems, Inc. and/or its affiliates.
   8 *  All rights reserved.
   9 */
  10
  11#ifndef COBALT_DRIVER_H
  12#define COBALT_DRIVER_H
  13
  14#include <linux/module.h>
  15#include <linux/pci.h>
  16#include <linux/spinlock.h>
  17#include <linux/i2c.h>
  18#include <linux/list.h>
  19#include <linux/workqueue.h>
  20#include <linux/mutex.h>
  21
  22#include <media/v4l2-common.h>
  23#include <media/v4l2-ioctl.h>
  24#include <media/v4l2-device.h>
  25#include <media/v4l2-fh.h>
  26#include <media/videobuf2-v4l2.h>
  27#include <media/videobuf2-dma-sg.h>
  28
  29#include "m00233_video_measure_memmap_package.h"
  30#include "m00235_fdma_packer_memmap_package.h"
  31#include "m00389_cvi_memmap_package.h"
  32#include "m00460_evcnt_memmap_package.h"
  33#include "m00473_freewheel_memmap_package.h"
  34#include "m00479_clk_loss_detector_memmap_package.h"
  35#include "m00514_syncgen_flow_evcnt_memmap_package.h"
  36
  37/* System device ID */
  38#define PCI_DEVICE_ID_COBALT    0x2732
  39
  40/* Number of cobalt device nodes. */
  41#define COBALT_NUM_INPUTS       4
  42#define COBALT_NUM_NODES        6
  43
  44/* Number of cobalt device streams. */
  45#define COBALT_NUM_STREAMS      12
  46
  47#define COBALT_HSMA_IN_NODE     4
  48#define COBALT_HSMA_OUT_NODE    5
  49
  50/* Cobalt audio streams */
  51#define COBALT_AUDIO_IN_STREAM  6
  52#define COBALT_AUDIO_OUT_STREAM 11
  53
  54/* DMA stuff */
  55#define DMA_CHANNELS_MAX        16
  56
  57/* i2c stuff */
  58#define I2C_CLIENTS_MAX         16
  59#define COBALT_NUM_ADAPTERS     5
  60
  61#define COBALT_CLK              50000000
  62
  63/* System status register */
  64#define COBALT_SYSSTAT_DIP0_MSK                 (1 << 0)
  65#define COBALT_SYSSTAT_DIP1_MSK                 (1 << 1)
  66#define COBALT_SYSSTAT_HSMA_PRSNTN_MSK          (1 << 2)
  67#define COBALT_SYSSTAT_FLASH_RDYBSYN_MSK        (1 << 3)
  68#define COBALT_SYSSTAT_VI0_5V_MSK               (1 << 4)
  69#define COBALT_SYSSTAT_VI0_INT1_MSK             (1 << 5)
  70#define COBALT_SYSSTAT_VI0_INT2_MSK             (1 << 6)
  71#define COBALT_SYSSTAT_VI0_LOST_DATA_MSK        (1 << 7)
  72#define COBALT_SYSSTAT_VI1_5V_MSK               (1 << 8)
  73#define COBALT_SYSSTAT_VI1_INT1_MSK             (1 << 9)
  74#define COBALT_SYSSTAT_VI1_INT2_MSK             (1 << 10)
  75#define COBALT_SYSSTAT_VI1_LOST_DATA_MSK        (1 << 11)
  76#define COBALT_SYSSTAT_VI2_5V_MSK               (1 << 12)
  77#define COBALT_SYSSTAT_VI2_INT1_MSK             (1 << 13)
  78#define COBALT_SYSSTAT_VI2_INT2_MSK             (1 << 14)
  79#define COBALT_SYSSTAT_VI2_LOST_DATA_MSK        (1 << 15)
  80#define COBALT_SYSSTAT_VI3_5V_MSK               (1 << 16)
  81#define COBALT_SYSSTAT_VI3_INT1_MSK             (1 << 17)
  82#define COBALT_SYSSTAT_VI3_INT2_MSK             (1 << 18)
  83#define COBALT_SYSSTAT_VI3_LOST_DATA_MSK        (1 << 19)
  84#define COBALT_SYSSTAT_VIHSMA_5V_MSK            (1 << 20)
  85#define COBALT_SYSSTAT_VIHSMA_INT1_MSK          (1 << 21)
  86#define COBALT_SYSSTAT_VIHSMA_INT2_MSK          (1 << 22)
  87#define COBALT_SYSSTAT_VIHSMA_LOST_DATA_MSK     (1 << 23)
  88#define COBALT_SYSSTAT_VOHSMA_INT1_MSK          (1 << 24)
  89#define COBALT_SYSSTAT_VOHSMA_PLL_LOCKED_MSK    (1 << 25)
  90#define COBALT_SYSSTAT_VOHSMA_LOST_DATA_MSK     (1 << 26)
  91#define COBALT_SYSSTAT_AUD_PLL_LOCKED_MSK       (1 << 28)
  92#define COBALT_SYSSTAT_AUD_IN_LOST_DATA_MSK     (1 << 29)
  93#define COBALT_SYSSTAT_AUD_OUT_LOST_DATA_MSK    (1 << 30)
  94#define COBALT_SYSSTAT_PCIE_SMBCLK_MSK          (1 << 31)
  95
  96/* Cobalt memory map */
  97#define COBALT_I2C_0_BASE                       0x0
  98#define COBALT_I2C_1_BASE                       0x080
  99#define COBALT_I2C_2_BASE                       0x100
 100#define COBALT_I2C_3_BASE                       0x180
 101#define COBALT_I2C_HSMA_BASE                    0x200
 102
 103#define COBALT_SYS_CTRL_BASE                    0x400
 104#define COBALT_SYS_CTRL_HSMA_TX_ENABLE_BIT      1
 105#define COBALT_SYS_CTRL_VIDEO_RX_RESETN_BIT(n)  (4 + 4 * (n))
 106#define COBALT_SYS_CTRL_NRESET_TO_HDMI_BIT(n)   (5 + 4 * (n))
 107#define COBALT_SYS_CTRL_HPD_TO_CONNECTOR_BIT(n) (6 + 4 * (n))
 108#define COBALT_SYS_CTRL_AUDIO_IPP_RESETN_BIT(n) (7 + 4 * (n))
 109#define COBALT_SYS_CTRL_PWRDN0_TO_HSMA_TX_BIT   24
 110#define COBALT_SYS_CTRL_VIDEO_TX_RESETN_BIT     25
 111#define COBALT_SYS_CTRL_AUDIO_OPP_RESETN_BIT    27
 112
 113#define COBALT_SYS_STAT_BASE                    0x500
 114#define COBALT_SYS_STAT_MASK                    (COBALT_SYS_STAT_BASE + 0x08)
 115#define COBALT_SYS_STAT_EDGE                    (COBALT_SYS_STAT_BASE + 0x0c)
 116
 117#define COBALT_HDL_INFO_BASE                    0x4800
 118#define COBALT_HDL_INFO_SIZE                    0x200
 119
 120#define COBALT_VID_BASE                         0x10000
 121#define COBALT_VID_SIZE                         0x1000
 122
 123#define COBALT_CVI(cobalt, c) \
 124        (cobalt->bar1 + COBALT_VID_BASE + (c) * COBALT_VID_SIZE)
 125#define COBALT_CVI_VMR(cobalt, c) \
 126        (cobalt->bar1 + COBALT_VID_BASE + (c) * COBALT_VID_SIZE + 0x100)
 127#define COBALT_CVI_EVCNT(cobalt, c) \
 128        (cobalt->bar1 + COBALT_VID_BASE + (c) * COBALT_VID_SIZE + 0x200)
 129#define COBALT_CVI_FREEWHEEL(cobalt, c) \
 130        (cobalt->bar1 + COBALT_VID_BASE + (c) * COBALT_VID_SIZE + 0x300)
 131#define COBALT_CVI_CLK_LOSS(cobalt, c) \
 132        (cobalt->bar1 + COBALT_VID_BASE + (c) * COBALT_VID_SIZE + 0x400)
 133#define COBALT_CVI_PACKER(cobalt, c) \
 134        (cobalt->bar1 + COBALT_VID_BASE + (c) * COBALT_VID_SIZE + 0x500)
 135
 136#define COBALT_TX_BASE(cobalt) (cobalt->bar1 + COBALT_VID_BASE + 0x5000)
 137
 138#define DMA_INTERRUPT_STATUS_REG                0x08
 139
 140#define COBALT_HDL_SEARCH_STR                   "** HDL version info **"
 141
 142/* Cobalt CPU bus interface */
 143#define COBALT_BUS_BAR1_BASE                    0x600
 144#define COBALT_BUS_SRAM_BASE                    0x0
 145#define COBALT_BUS_CPLD_BASE                    0x00600000
 146#define COBALT_BUS_FLASH_BASE                   0x08000000
 147
 148/* FDMA to PCIe packing */
 149#define COBALT_BYTES_PER_PIXEL_YUYV             2
 150#define COBALT_BYTES_PER_PIXEL_RGB24            3
 151#define COBALT_BYTES_PER_PIXEL_RGB32            4
 152
 153/* debugging */
 154extern int cobalt_debug;
 155extern int cobalt_ignore_err;
 156
 157#define cobalt_err(fmt, arg...)  v4l2_err(&cobalt->v4l2_dev, fmt, ## arg)
 158#define cobalt_warn(fmt, arg...) v4l2_warn(&cobalt->v4l2_dev, fmt, ## arg)
 159#define cobalt_info(fmt, arg...) v4l2_info(&cobalt->v4l2_dev, fmt, ## arg)
 160#define cobalt_dbg(level, fmt, arg...) \
 161        v4l2_dbg(level, cobalt_debug, &cobalt->v4l2_dev, fmt, ## arg)
 162
 163struct cobalt;
 164struct cobalt_i2c_regs;
 165
 166/* Per I2C bus private algo callback data */
 167struct cobalt_i2c_data {
 168        struct cobalt *cobalt;
 169        struct cobalt_i2c_regs __iomem *regs;
 170};
 171
 172struct pci_consistent_buffer {
 173        void *virt;
 174        dma_addr_t bus;
 175        size_t bytes;
 176};
 177
 178struct sg_dma_desc_info {
 179        void *virt;
 180        dma_addr_t bus;
 181        unsigned size;
 182        void *last_desc_virt;
 183        struct device *dev;
 184};
 185
 186#define COBALT_MAX_WIDTH                        1920
 187#define COBALT_MAX_HEIGHT                       1200
 188#define COBALT_MAX_BPP                          3
 189#define COBALT_MAX_FRAMESZ \
 190        (COBALT_MAX_WIDTH * COBALT_MAX_HEIGHT * COBALT_MAX_BPP)
 191
 192#define NR_BUFS                                 VIDEO_MAX_FRAME
 193
 194#define COBALT_STREAM_FL_DMA_IRQ                0
 195#define COBALT_STREAM_FL_ADV_IRQ                1
 196
 197struct cobalt_buffer {
 198        struct vb2_v4l2_buffer vb;
 199        struct list_head list;
 200};
 201
 202static inline
 203struct cobalt_buffer *to_cobalt_buffer(struct vb2_v4l2_buffer *vb2)
 204{
 205        return container_of(vb2, struct cobalt_buffer, vb);
 206}
 207
 208struct cobalt_stream {
 209        struct video_device vdev;
 210        struct vb2_queue q;
 211        struct list_head bufs;
 212        struct i2c_adapter *i2c_adap;
 213        struct v4l2_subdev *sd;
 214        struct mutex lock;
 215        spinlock_t irqlock;
 216        struct v4l2_dv_timings timings;
 217        u32 input;
 218        u32 pad_source;
 219        u32 width, height, bpp;
 220        u32 stride;
 221        u32 pixfmt;
 222        u32 sequence;
 223        u32 colorspace;
 224        u32 xfer_func;
 225        u32 ycbcr_enc;
 226        u32 quantization;
 227
 228        u8 dma_channel;
 229        int video_channel;
 230        unsigned dma_fifo_mask;
 231        unsigned adv_irq_mask;
 232        struct sg_dma_desc_info dma_desc_info[NR_BUFS];
 233        unsigned long flags;
 234        bool unstable_frame;
 235        bool enable_cvi;
 236        bool enable_freewheel;
 237        unsigned skip_first_frames;
 238        bool is_output;
 239        bool is_audio;
 240        bool is_dummy;
 241
 242        struct cobalt *cobalt;
 243        struct snd_cobalt_card *alsa;
 244};
 245
 246struct snd_cobalt_card;
 247
 248/* Struct to hold info about cobalt cards */
 249struct cobalt {
 250        int instance;
 251        struct pci_dev *pci_dev;
 252        struct v4l2_device v4l2_dev;
 253
 254        void __iomem *bar0, *bar1;
 255
 256        u8 card_rev;
 257        u16 device_id;
 258
 259        /* device nodes */
 260        struct cobalt_stream streams[DMA_CHANNELS_MAX];
 261        struct i2c_adapter i2c_adap[COBALT_NUM_ADAPTERS];
 262        struct cobalt_i2c_data i2c_data[COBALT_NUM_ADAPTERS];
 263        bool have_hsma_rx;
 264        bool have_hsma_tx;
 265
 266        /* irq */
 267        struct workqueue_struct *irq_work_queues;
 268        struct work_struct irq_work_queue;              /* work entry */
 269        /* irq counters */
 270        u32 irq_adv1;
 271        u32 irq_adv2;
 272        u32 irq_advout;
 273        u32 irq_dma_tot;
 274        u32 irq_dma[COBALT_NUM_STREAMS];
 275        u32 irq_none;
 276        u32 irq_full_fifo;
 277
 278        /* omnitek dma */
 279        int dma_channels;
 280        int first_fifo_channel;
 281        bool pci_32_bit;
 282
 283        char hdl_info[COBALT_HDL_INFO_SIZE];
 284
 285        /* NOR flash */
 286        struct mtd_info *mtd;
 287};
 288
 289static inline struct cobalt *to_cobalt(struct v4l2_device *v4l2_dev)
 290{
 291        return container_of(v4l2_dev, struct cobalt, v4l2_dev);
 292}
 293
 294static inline void cobalt_write_bar0(struct cobalt *cobalt, u32 reg, u32 val)
 295{
 296        iowrite32(val, cobalt->bar0 + reg);
 297}
 298
 299static inline u32 cobalt_read_bar0(struct cobalt *cobalt, u32 reg)
 300{
 301        return ioread32(cobalt->bar0 + reg);
 302}
 303
 304static inline void cobalt_write_bar1(struct cobalt *cobalt, u32 reg, u32 val)
 305{
 306        iowrite32(val, cobalt->bar1 + reg);
 307}
 308
 309static inline u32 cobalt_read_bar1(struct cobalt *cobalt, u32 reg)
 310{
 311        return ioread32(cobalt->bar1 + reg);
 312}
 313
 314static inline u32 cobalt_g_sysctrl(struct cobalt *cobalt)
 315{
 316        return cobalt_read_bar1(cobalt, COBALT_SYS_CTRL_BASE);
 317}
 318
 319static inline void cobalt_s_bit_sysctrl(struct cobalt *cobalt,
 320                                        int bit, int val)
 321{
 322        u32 ctrl = cobalt_read_bar1(cobalt, COBALT_SYS_CTRL_BASE);
 323
 324        cobalt_write_bar1(cobalt, COBALT_SYS_CTRL_BASE,
 325                        (ctrl & ~(1UL << bit)) | (val << bit));
 326}
 327
 328static inline u32 cobalt_g_sysstat(struct cobalt *cobalt)
 329{
 330        return cobalt_read_bar1(cobalt, COBALT_SYS_STAT_BASE);
 331}
 332
 333#define ADRS_REG (bar1 + COBALT_BUS_BAR1_BASE + 0)
 334#define LOWER_DATA (bar1 + COBALT_BUS_BAR1_BASE + 4)
 335#define UPPER_DATA (bar1 + COBALT_BUS_BAR1_BASE + 6)
 336
 337static inline u32 cobalt_bus_read32(void __iomem *bar1, u32 bus_adrs)
 338{
 339        iowrite32(bus_adrs, ADRS_REG);
 340        return ioread32(LOWER_DATA);
 341}
 342
 343static inline void cobalt_bus_write16(void __iomem *bar1,
 344                                      u32 bus_adrs, u16 data)
 345{
 346        iowrite32(bus_adrs, ADRS_REG);
 347        if (bus_adrs & 2)
 348                iowrite16(data, UPPER_DATA);
 349        else
 350                iowrite16(data, LOWER_DATA);
 351}
 352
 353static inline void cobalt_bus_write32(void __iomem *bar1,
 354                                      u32 bus_adrs, u16 data)
 355{
 356        iowrite32(bus_adrs, ADRS_REG);
 357        if (bus_adrs & 2)
 358                iowrite32(data, UPPER_DATA);
 359        else
 360                iowrite32(data, LOWER_DATA);
 361}
 362
 363/*==============Prototypes==================*/
 364
 365void cobalt_pcie_status_show(struct cobalt *cobalt);
 366
 367#endif
 368