/* SPDX-License-Identifier: GPL-2.0-only */
/*
* cobalt driver internal defines and structures
*
* Derived from cx18-driver.h
*
* Copyright 2012-2015 Cisco Systems, Inc. and/or its affiliates.
* All rights reserved.
*/
#ifndef COBALT_DRIVER_H
#define COBALT_DRIVER_H
#include <linux/bitops.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/spinlock.h>
#include <linux/i2c.h>
#include <linux/list.h>
#include <linux/workqueue.h>
#include <linux/mutex.h>
#include <media/v4l2-common.h>
#include <media/v4l2-ioctl.h>
#include <media/v4l2-device.h>
#include <media/v4l2-fh.h>
#include <media/videobuf2-v4l2.h>
#include <media/videobuf2-dma-sg.h>
#include "m00233_video_measure_memmap_package.h"
#include "m00235_fdma_packer_memmap_package.h"
#include "m00389_cvi_memmap_package.h"
#include "m00460_evcnt_memmap_package.h"
#include "m00473_freewheel_memmap_package.h"
#include "m00479_clk_loss_detector_memmap_package.h"
#include "m00514_syncgen_flow_evcnt_memmap_package.h"
/* System device ID */
#define PCI_DEVICE_ID_COBALT 0x2732
/* Number of cobalt device nodes. */
#define COBALT_NUM_INPUTS 4
#define COBALT_NUM_NODES 6
/* Number of cobalt device streams. */
#define COBALT_NUM_STREAMS 12
#define COBALT_HSMA_IN_NODE 4
#define COBALT_HSMA_OUT_NODE 5
/* Cobalt audio streams */
#define COBALT_AUDIO_IN_STREAM 6
#define COBALT_AUDIO_OUT_STREAM 11
/* DMA stuff */
#define DMA_CHANNELS_MAX 16
/* i2c stuff */
#define I2C_CLIENTS_MAX 16
#define COBALT_NUM_ADAPTERS 5
#define COBALT_CLK 50000000
/* System status register */
#define COBALT_SYSSTAT_DIP0_MSK BIT(0)
#define COBALT_SYSSTAT_DIP1_MSK BIT(1)
#define COBALT_SYSSTAT_HSMA_PRSNTN_MSK BIT(2)
#define COBALT_SYSSTAT_FLASH_RDYBSYN_MSK BIT(3)
#define COBALT_SYSSTAT_VI0_5V_MSK BIT(4)
#define COBALT_SYSSTAT_VI0_INT1_MSK BIT(5)
#define COBALT_SYSSTAT_VI0_INT2_MSK BIT(6)
#define COBALT_SYSSTAT_VI0_LOST_DATA_MSK BIT(7)
#define COBALT_SYSSTAT_VI1_5V_MSK BIT(8)
#define COBALT_SYSSTAT_VI1_INT1_MSK BIT(9)
#define COBALT_SYSSTAT_VI1_INT2_MSK BIT(10)
#define COBALT_SYSSTAT_VI1_LOST_DATA_MSK BIT(11)
#define COBALT_SYSSTAT_VI2_5V_MSK BIT(12)
#define COBALT_SYSSTAT_VI2_INT1_MSK BIT(13)
#define COBALT_SYSSTAT_VI2_INT2_MSK BIT(14)
#define COBALT_SYSSTAT_VI2_LOST_DATA_MSK BIT(15)
#define COBALT_SYSSTAT_VI3_5V_MSK BIT(16)
#define COBALT_SYSSTAT_VI3_INT1_MSK BIT(17)
#define COBALT_SYSSTAT_VI3_INT2_MSK BIT(18)
#define COBALT_SYSSTAT_VI3_LOST_DATA_MSK BIT(19)
#define COBALT_SYSSTAT_VIHSMA_5V_MSK BIT(20)
#define COBALT_SYSSTAT_VIHSMA_INT1_MSK BIT(21)
#define COBALT_SYSSTAT_VIHSMA_INT2_MSK BIT(22)
#define COBALT_SYSSTAT_VIHSMA_LOST_DATA_MSK BIT(23)
#define COBALT_SYSSTAT_VOHSMA_INT1_MSK BIT(24)
#define COBALT_SYSSTAT_VOHSMA_PLL_LOCKED_MSK BIT(25)
#define COBALT_SYSSTAT_VOHSMA_LOST_DATA_MSK BIT(26)
#define COBALT_SYSSTAT_AUD_PLL_LOCKED_MSK BIT(28)
#define COBALT_SYSSTAT_AUD_IN_LOST_DATA_MSK BIT(29)
#define COBALT_SYSSTAT_AUD_OUT_LOST_DATA_MSK BIT(30)
#define COBALT_SYSSTAT_PCIE_SMBCLK_MSK BIT(31)
/* Cobalt memory map */
#define COBALT_I2C_0_BASE 0x0
#define COBALT_I2C_1_BASE 0x080
#define COBALT_I2C_2_BASE 0x100
#define COBALT_I2C_3_BASE 0x180
#define COBALT_I2C_HSMA_BASE 0x200
#define COBALT_SYS_CTRL_BASE 0x400
#define COBALT_SYS_CTRL_HSMA_TX_ENABLE_BIT 1
#define COBALT_SYS_CTRL_VIDEO_RX_RESETN_BIT(n) (4 + 4 * (n))
#define COBALT_SYS_CTRL_NRESET_TO_HDMI_BIT(n) (5 + 4 * (n))
#define COBALT_SYS_CTRL_HPD_TO_CONNECTOR_BIT(n) (6 + 4 * (n))
#define COBALT_SYS_CTRL_AUDIO_IPP_RESETN_BIT(n) (7 + 4 * (n))
#define COBALT_SYS_CTRL_PWRDN0_TO_HSMA_TX_BIT 24
#define COBALT_SYS_CTRL_VIDEO_TX_RESETN_BIT 25
#define COBALT_SYS_CTRL_AUDIO_OPP_RESETN_BIT 27
#define COBALT_SYS_STAT_BASE 0x500
#define COBALT_SYS_STAT_MASK (COBALT_SYS_STAT_BASE + 0x08)
#define COBALT_SYS_STAT_EDGE (COBALT_SYS_STAT_BASE + 0x0c)
#define COBALT_HDL_INFO_BASE 0x4800
#define COBALT_HDL_INFO_SIZE 0x200
#define COBALT_VID_BASE 0x10000
#define COBALT_VID_SIZE 0x1000
#define COBALT_CVI(cobalt, c) \
(cobalt->bar1 + COBALT_VID_BASE + (c) * COBALT_VID_SIZE)
#define COBALT_CVI_VMR(cobalt, c) \
(cobalt->bar1 + COBALT_VID_BASE + (c) * COBALT_VID_SIZE + 0x100)
#define COBALT_CVI_EVCNT(cobalt, c) \
(cobalt->bar1 + COBALT_VID_BASE + (c) * COBALT_VID_SIZE + 0x200)
#define COBALT_CVI_FREEWHEEL(cobalt, c) \
(cobalt->bar1 + COBALT_VID_BASE + (c) * COBALT_VID_SIZE + 0x300)
#define COBALT_CVI_CLK_LOSS(cobalt, c) \
(cobalt->bar1 + COBALT_VID_BASE + (c) * COBALT_VID_SIZE + 0x400)
#define COBALT_CVI_PACKER(cobalt, c) \
(cobalt->bar1 + COBALT_VID_BASE + (c) * COBALT_VID_SIZE + 0x500)
#define COBALT_TX_BASE(cobalt) (cobalt->bar1 + COBALT_VID_BASE + 0x5000)
#define DMA_INTERRUPT_STATUS_REG 0x08
#define COBALT_HDL_SEARCH_STR "** HDL version info **"
/* Cobalt CPU bus interface */
#define COBALT_BUS_BAR1_BASE 0x600
#define COBALT_BUS_SRAM_BASE 0x0
#define COBALT_BUS_CPLD_BASE 0x00600000
#define COBALT_BUS_FLASH_BASE 0x08000000
/* FDMA to PCIe packing */
#define COBALT_BYTES_PER_PIXEL_YUYV 2
#define COBALT_BYTES_PER_PIXEL_RGB24 3
#define COBALT_BYTES_PER_PIXEL_RGB32 4
/* debugging */
extern int cobalt_debug;
extern int cobalt_ignore_err;
#define cobalt_err(fmt, arg...) v4l2_err(&cobalt->v4l2_dev, fmt, ## arg)
#define cobalt_warn(fmt, arg...) v4l2_warn(&cobalt->v4l2_dev, fmt, ## arg)
#define cobalt_info(fmt, arg...) v4l2_info(&cobalt->v4l2_dev, fmt, ## arg)
#define cobalt_dbg(level, fmt, arg...) \
v4l2_dbg(level, cobalt_debug, &cobalt->v4l2_dev, fmt, ## arg)
struct cobalt;
struct cobalt_i2c_regs;
/* Per I2C bus private algo callback data */
struct cobalt_i2c_data {
struct cobalt *cobalt;
struct cobalt_i2c_regs __iomem *regs;
};
struct pci_consistent_buffer {
void *virt;
dma_addr_t bus;
size_t bytes;
};
struct sg_dma_desc_info {
void *virt;
dma_addr_t bus;
unsigned size;
void *last_desc_virt;
struct device *dev;
};
#define COBALT_MAX_WIDTH 1920
#define COBALT_MAX_HEIGHT 1200
#define COBALT_MAX_BPP 3
#define COBALT_MAX_FRAMESZ \
(COBALT_MAX_WIDTH * COBALT_MAX_HEIGHT * COBALT_MAX_BPP)
#define NR_BUFS VIDEO_MAX_FRAME
#define COBALT_STREAM_FL_DMA_IRQ 0
#define COBALT_STREAM_FL_ADV_IRQ 1
struct cobalt_buffer {
struct vb2_v4l2_buffer vb;
struct list_head list;
};
static inline
struct cobalt_buffer *to_cobalt_buffer(struct vb2_v4l2_buffer *vb2)
{
return container_of(vb2, struct cobalt_buffer, vb);
}
struct cobalt_stream {
struct video_device vdev;
struct vb2_queue q;
struct list_head bufs;
struct i2c_adapter *i2c_adap;
struct v4l2_subdev *sd;
struct mutex lock;
spinlock_t irqlock;
struct v4l2_dv_timings timings;
u32 input;
u32 pad_source;
u32 width, height, bpp;
u32 stride;
u32 pixfmt;
u32 sequence;
u32 colorspace;
u32 xfer_func;
u32 ycbcr_enc;
u32 quantization;
u8 dma_channel;
int video_channel;
unsigned dma_fifo_mask;
unsigned adv_irq_mask;
struct sg_dma_desc_info dma_desc_info[NR_BUFS];
unsigned long flags;
bool unstable_frame;
bool enable_cvi;
bool enable_freewheel;
unsigned skip_first_frames;
bool is_output;
bool is_audio;
bool is_dummy;
struct cobalt *cobalt;
struct snd_cobalt_card *alsa;
};
struct snd_cobalt_card;
/* Struct to hold info about cobalt cards */
struct cobalt {
int instance;
struct pci_dev *pci_dev;
struct v4l2_device v4l2_dev;
/* serialize PCI access in cobalt_s_bit_sysctrl() */
struct mutex pci_lock;
void __iomem *bar0, *bar1;
u8 card_rev;
u16 device_id;
/* device nodes */
struct cobalt_stream streams[DMA_CHANNELS_MAX];
struct i2c_adapter i2c_adap[COBALT_NUM_ADAPTERS];
struct cobalt_i2c_data i2c_data[COBALT_NUM_ADAPTERS];
bool have_hsma_rx;
bool have_hsma_tx;
/* irq */
struct workqueue_struct *irq_work_queues;
struct work_struct irq_work_queue; /* work entry */
/* irq counters */
u32 irq_adv1;
u32 irq_adv2;
u32 irq_advout;
u32 irq_dma_tot;
u32 irq_dma[COBALT_NUM_STREAMS];
u32 irq_none;
u32 irq_full_fifo;
/* omnitek dma */
int dma_channels;
int first_fifo_channel;
bool pci_32_bit;
char hdl_info[COBALT_HDL_INFO_SIZE];
/* NOR flash */
struct mtd_info *mtd;
};
static inline struct cobalt *to_cobalt(struct v4l2_device *v4l2_dev)
{
return container_of(v4l2_dev, struct cobalt, v4l2_dev);
}
static inline void cobalt_write_bar0(struct cobalt *cobalt, u32 reg, u32 val)
{
iowrite32(val, cobalt->bar0 + reg);
}
static inline u32 cobalt_read_bar0(struct cobalt *cobalt, u32 reg)
{
return ioread32(cobalt->bar0 + reg);
}
static inline void cobalt_write_bar1(struct cobalt *cobalt, u32 reg, u32 val)
{
iowrite32(val, cobalt->bar1 + reg);
}
static inline u32 cobalt_read_bar1(struct cobalt *cobalt, u32 reg)
{
return ioread32(cobalt->bar1 + reg);
}
static inline u32 cobalt_g_sysctrl(struct cobalt *cobalt)
{
return cobalt_read_bar1(cobalt, COBALT_SYS_CTRL_BASE);
}
static inline void cobalt_s_bit_sysctrl(struct cobalt *cobalt,
int bit, int val)
{
u32 ctrl;
mutex_lock(&cobalt->pci_lock);
ctrl = cobalt_read_bar1(cobalt, COBALT_SYS_CTRL_BASE);
cobalt_write_bar1(cobalt, COBALT_SYS_CTRL_BASE,
(ctrl & ~(1UL << bit)) | (val << bit));
mutex_unlock(&cobalt->pci_lock);
}
static inline u32 cobalt_g_sysstat(struct cobalt *cobalt)
{
return cobalt_read_bar1(cobalt, COBALT_SYS_STAT_BASE);
}
#define ADRS_REG (bar1 + COBALT_BUS_BAR1_BASE + 0)
#define LOWER_DATA (bar1 + COBALT_BUS_BAR1_BASE + 4)
#define UPPER_DATA (bar1 + COBALT_BUS_BAR1_BASE + 6)
static inline u32 cobalt_bus_read32(void __iomem *bar1, u32 bus_adrs)
{
iowrite32(bus_adrs, ADRS_REG);
return ioread32(LOWER_DATA);
}
static inline void cobalt_bus_write16(void __iomem *bar1,
u32 bus_adrs, u16 data)
{
iowrite32(bus_adrs, ADRS_REG);
if (bus_adrs & 2)
iowrite16(data, UPPER_DATA);
else
iowrite16(data, LOWER_DATA);
}
static inline void cobalt_bus_write32(void __iomem *bar1,
u32 bus_adrs, u16 data)
{
iowrite32(bus_adrs, ADRS_REG);
if (bus_adrs & 2)
iowrite32(data, UPPER_DATA);
else
iowrite32(data, LOWER_DATA);
}
/*==============Prototypes==================*/
void cobalt_pcie_status_show(struct cobalt *cobalt);
#endif
