dsi.c File Reference

#include <commonlib/helpers.h>
#include <console/console.h>
#include <device/mmio.h>
#include <delay.h>
#include <timer.h>
#include <soc/addressmap.h>
#include <soc/clock.h>
#include <device/device.h>
#include <edid.h>
#include <soc/nvidia/tegra/types.h>
#include <soc/nvidia/tegra/dc.h>
#include <soc/display.h>
#include <soc/mipi_dsi.h>
#include <soc/mipi_display.h>
#include <soc/tegra_dsi.h>
#include <soc/mipi-phy.h>
#include <types.h>
#include "chip.h"
#include "jdi_25x18_display/panel-jdi-lpm102a188a.h"

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Functions
static struct tegra_dsi *	host_to_tegra (struct mipi_dsi_host *host)
static int	tegra_dsi_set_phy_timing (struct tegra_dsi *dsi)
static int	tegra_dsi_get_muldiv (enum mipi_dsi_pixel_format format, unsigned int *mulp, unsigned int *divp)
static int	tegra_dsi_get_format (enum mipi_dsi_pixel_format format, enum tegra_dsi_format *fmt)
static void	tegra_dsi_ganged_enable (struct tegra_dsi *dsi, unsigned int start, unsigned int size)
static void	tegra_dsi_enable (struct tegra_dsi *dsi)
static int	tegra_dsi_configure (struct tegra_dsi *dsi, unsigned int pipe, const struct soc_nvidia_tegra210_config *mode)
static int	tegra_output_dsi_enable (struct tegra_dsi *dsi, const struct soc_nvidia_tegra210_config *config)
static void	tegra_dsi_set_timeout (struct tegra_dsi *dsi, unsigned long bclk, unsigned int vrefresh)
static int	tegra_output_dsi_setup_clock (struct tegra_dsi *dsi, const struct soc_nvidia_tegra210_config *config)
static int	tegra_dsi_pad_enable (struct tegra_dsi *dsi)
static int	tegra_dsi_pad_calibrate (struct tegra_dsi *dsi)
static int	tegra_dsi_read_response (struct tegra_dsi *dsi, const struct mipi_dsi_msg *msg, unsigned int count)
static int	tegra_dsi_transmit (struct tegra_dsi *dsi, unsigned long timeout_ms)
static int	tegra_dsi_wait_for_response (struct tegra_dsi *dsi, unsigned long timeout_ms)
static ssize_t	tegra_dsi_host_transfer (struct mipi_dsi_host *host, const struct mipi_dsi_msg *msg)
static int	tegra_dsi_ganged_setup (struct tegra_dsi *dsi, struct tegra_dsi *slave)
static int	tegra_dsi_host_attach (struct mipi_dsi_host *host, struct mipi_dsi_device *device)
static int	dsi_probe_if (int dsi_index, struct soc_nvidia_tegra210_config *config)
static int	dsi_probe (struct soc_nvidia_tegra210_config *config)
static void	tegra_dsi_init_regs (struct tegra_dsi *dsi)
static int	dsi_enable (struct soc_nvidia_tegra210_config *config)
void	dsi_display_startup (struct device *dev)

Variables
struct tegra_mipi_device	mipi_device_data [NUM_DSI]
struct tegra_dsi	dsi_data [NUM_DSI]
static const u32	init_reg []
static const u32	pkt_seq_video_non_burst_sync_pulses [NUM_PKT_SEQ]
static const u32	pkt_seq_video_non_burst_sync_events [NUM_PKT_SEQ]
static const u32	pkt_seq_command_mode [NUM_PKT_SEQ]
static const char *const	error_report [16]
static const struct mipi_dsi_host_ops	tegra_dsi_host_ops

Function Documentation

dsi_display_startup()

void dsi_display_startup

(

struct device *

dev

)

Definition at line 952 of file dsi.c.

References ALIGN_UP, BIOS_ERR, BIOS_INFO, device::chip_info, clock_configure_plld(), clock_configure_source, config, dsi_enable(), KHz, MiB, NULL, pass_mode_info_to_payload(), PLLD_OUT0, printk, tegra_dc_init(), update_display_mode(), and update_window().

Referenced by display_startup().

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dsi_enable()

static int dsi_enable ( struct soc_nvidia_tegra210_config *  config )

static

Definition at line 921 of file dsi.c.

References APB_MISC_GP_MIPI_PAD_CTRL_0, BIOS_ERR, config, DSI_A, dsi_data, dsi_probe(), DSIB_MODE_DSI, tegra_dsi::panel, panel_jdi_prepare(), printk, tegra_dsi_init_regs(), tegra_dsi_set_phy_timing(), tegra_output_dsi_enable(), tegra_output_dsi_setup_clock(), and write32().

Referenced by dsi_display_startup().

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dsi_probe()

static int dsi_probe ( struct soc_nvidia_tegra210_config *  config )

static

Definition at line 904 of file dsi.c.

References config, DSI_A, DSI_B, and dsi_probe_if().

Referenced by dsi_enable().

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dsi_probe_if()

static int dsi_probe_if ( int  dsi_index, struct soc_nvidia_tegra210_config *  config  )

static

Definition at line 862 of file dsi.c.

References BIOS_ERR, config, mipi_dsi_host::dev, dsi_data, DSI_INIT_SEQ_CONTROL, EPTR, tegra_dsi::flags, tegra_dsi::format, tegra_dsi::host, IS_ERR_PTR, tegra_dsi::lanes, tegra_dsi::mipi, mipi_device_data, MIPI_DSI_FMT_RGB888, mipi_dsi_host_register(), panel_jdi::mode, mipi_dsi_host::ops, tegra_dsi::panel, panel_jdi_dsi_probe(), printk, tegra_dsi_host_ops, tegra_dsi_pad_calibrate(), tegra_dsi_writel(), and tegra_mipi_request().

Referenced by dsi_probe().

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host_to_tegra()

static struct tegra_dsi* host_to_tegra ( struct mipi_dsi_host *  host )

inlinestatic

Definition at line 86 of file dsi.c.

References container_of, and tegra_dsi::host.

Referenced by tegra_dsi_host_attach(), and tegra_dsi_host_transfer().

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tegra_dsi_configure()

static int tegra_dsi_configure ( struct tegra_dsi *  dsi, unsigned int  pipe, const struct soc_nvidia_tegra210_config *  mode  )

static

Definition at line 269 of file dsi.c.

References BIOS_SPEW, delay(), DIV_ROUND_UP, DSI_CONTROL, DSI_CONTROL_CHANNEL, DSI_CONTROL_DCS_ENABLE, DSI_CONTROL_FORMAT, DSI_CONTROL_HOST_ENABLE, DSI_CONTROL_HS_CLK_CTRL, DSI_CONTROL_LANES, DSI_CONTROL_SOURCE, DSI_CONTROL_TX_TRIG, DSI_CONTROL_VIDEO_ENABLE, DSI_DCS_CMDS, DSI_HOST_CONTROL, DSI_HOST_CONTROL_HS, DSI_MAX_THRESHOLD, DSI_PKT_LEN_0_1, DSI_PKT_LEN_2_3, DSI_PKT_LEN_4_5, DSI_PKT_LEN_6_7, DSI_PKT_SEQ_0_LO, DSI_SOL_DELAY, tegra_dsi::flags, tegra_dsi::format, tegra_dsi::ganged_lanes, tegra_dsi::ganged_mode, hsync_end, hsync_start, htotal, tegra_dsi::lanes, MIPI_DCS_WRITE_MEMORY_CONTINUE, MIPI_DCS_WRITE_MEMORY_START, MIPI_DSI_CLOCK_NON_CONTINUOUS, MIPI_DSI_MODE_VIDEO, MIPI_DSI_MODE_VIDEO_SYNC_PULSE, NUM_PKT_SEQ, pkt_seq_command_mode, pkt_seq_video_non_burst_sync_events, pkt_seq_video_non_burst_sync_pulses, printk, tegra_dsi::slave, tegra_dsi_ganged_enable(), tegra_dsi_get_format(), tegra_dsi_get_muldiv(), tegra_dsi_readl(), tegra_dsi_writel(), value, tegra_dsi::video_fifo_depth, and soc_nvidia_tegra210_config::xres.

Referenced by tegra_output_dsi_enable().

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tegra_dsi_enable()

static void tegra_dsi_enable ( struct tegra_dsi *  dsi )

static

Definition at line 257 of file dsi.c.

References DSI_POWER_CONTROL, DSI_POWER_CONTROL_ENABLE, tegra_dsi::slave, tegra_dsi_readl(), tegra_dsi_writel(), and value.

Referenced by tegra_output_dsi_enable().

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tegra_dsi_ganged_enable()

static void tegra_dsi_ganged_enable ( struct tegra_dsi *  dsi, unsigned int  start, unsigned int  size  )

static

Definition at line 245 of file dsi.c.

References DSI_GANGED_MODE_CONTROL, DSI_GANGED_MODE_CONTROL_ENABLE, DSI_GANGED_MODE_SIZE, DSI_GANGED_MODE_START, tegra_dsi_writel(), and value.

Referenced by tegra_dsi_configure().

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tegra_dsi_ganged_setup()

static int tegra_dsi_ganged_setup ( struct tegra_dsi *  dsi, struct tegra_dsi *  slave  )

static

Definition at line 821 of file dsi.c.

References tegra_dsi::ganged_lanes, tegra_dsi::ganged_mode, tegra_dsi::lanes, and tegra_dsi::slave.

Referenced by tegra_dsi_host_attach().

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tegra_dsi_get_format()

static int tegra_dsi_get_format ( enum mipi_dsi_pixel_format  format, enum tegra_dsi_format *  fmt  )

static

Definition at line 219 of file dsi.c.

References EINVAL, tegra_dsi::format, MIPI_DSI_FMT_RGB565, MIPI_DSI_FMT_RGB666, MIPI_DSI_FMT_RGB666_PACKED, MIPI_DSI_FMT_RGB888, TEGRA_DSI_FORMAT_16P, TEGRA_DSI_FORMAT_18NP, TEGRA_DSI_FORMAT_18P, and TEGRA_DSI_FORMAT_24P.

Referenced by tegra_dsi_configure().

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tegra_dsi_get_muldiv()

static int tegra_dsi_get_muldiv ( enum mipi_dsi_pixel_format  format, unsigned int *  mulp, unsigned int *  divp  )

static

Definition at line 193 of file dsi.c.

References EINVAL, tegra_dsi::format, MIPI_DSI_FMT_RGB565, MIPI_DSI_FMT_RGB666, MIPI_DSI_FMT_RGB666_PACKED, and MIPI_DSI_FMT_RGB888.

Referenced by tegra_dsi_configure(), and tegra_output_dsi_setup_clock().

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tegra_dsi_host_attach()

static int tegra_dsi_host_attach ( struct mipi_dsi_host *  host, struct mipi_dsi_device *  device  )

static

Definition at line 836 of file dsi.c.

References BIOS_ERR, tegra_dsi::flags, tegra_dsi::format, tegra_dsi::host, host_to_tegra(), tegra_dsi::lanes, tegra_dsi::master, printk, and tegra_dsi_ganged_setup().

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tegra_dsi_host_transfer()

static ssize_t tegra_dsi_host_transfer ( struct mipi_dsi_host *  host, const struct mipi_dsi_msg *  msg  )

static

Definition at line 688 of file dsi.c.

References BIOS_INFO, mipi_dsi_msg::channel, count, DSI_CONTROL, DSI_CONTROL_HOST_ENABLE, DSI_CONTROL_LANES, DSI_HOST_CONTROL, DSI_HOST_CONTROL_CRC_RESET, DSI_HOST_CONTROL_CS, DSI_HOST_CONTROL_ECC, DSI_HOST_CONTROL_FIFO_RESET, DSI_HOST_CONTROL_FIFO_SEL, DSI_HOST_CONTROL_HS, DSI_HOST_CONTROL_PKT_BTA, DSI_HOST_CONTROL_TX_TRIG_HOST, DSI_POWER_CONTROL, DSI_POWER_CONTROL_ENABLE, DSI_RD_DATA, DSI_STATUS, DSI_STATUS_OVERFLOW, DSI_STATUS_UNDERFLOW, DSI_WR_DATA, ENOSPC, mipi_dsi_msg::flags, tegra_dsi::host, tegra_dsi::host_fifo_depth, host_to_tegra(), MIPI_DSI_MSG_REQ_ACK, MIPI_DSI_MSG_USE_LPM, printk, mipi_dsi_msg::rx_buf, mipi_dsi_msg::rx_len, tegra_dsi_read_response(), tegra_dsi_readl(), tegra_dsi_transmit(), tegra_dsi_wait_for_response(), tegra_dsi_writel(), mipi_dsi_msg::tx_buf, mipi_dsi_msg::tx_len, mipi_dsi_msg::type, udelay(), value, and tegra_dsi::video_fifo_depth.

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tegra_dsi_init_regs()

static void tegra_dsi_init_regs ( struct tegra_dsi *  dsi )

static

Definition at line 911 of file dsi.c.

References ARRAY_SIZE, init_reg, tegra_dsi::slave, and tegra_dsi_writel().

Referenced by dsi_enable().

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tegra_dsi_pad_calibrate()

static int tegra_dsi_pad_calibrate ( struct tegra_dsi *  dsi )

static

Definition at line 531 of file dsi.c.

References DSI_PAD_CONTROL_0, DSI_PAD_CONTROL_1, DSI_PAD_CONTROL_2, DSI_PAD_CONTROL_3, DSI_PAD_CONTROL_4, DSI_PAD_LP_DN, DSI_PAD_LP_UP, DSI_PAD_OUT_CLK, DSI_PAD_PREEMP_PD, DSI_PAD_PREEMP_PD_CLK, DSI_PAD_PREEMP_PU, DSI_PAD_PREEMP_PU_CLK, DSI_PAD_SLEW_DN, DSI_PAD_SLEW_UP, tegra_dsi::mipi, tegra_dsi_pad_enable(), tegra_dsi_writel(), tegra_mipi_calibrate(), and value.

Referenced by dsi_probe_if().

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tegra_dsi_pad_enable()

static int tegra_dsi_pad_enable ( struct tegra_dsi *  dsi )

static

Definition at line 522 of file dsi.c.

References DSI_PAD_CONTROL_0, DSI_PAD_CONTROL_VS1_PDIO, DSI_PAD_CONTROL_VS1_PULLDN, tegra_dsi_writel(), and value.

Referenced by tegra_dsi_pad_calibrate().

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tegra_dsi_read_response()

static int tegra_dsi_read_response ( struct tegra_dsi *  dsi, const struct mipi_dsi_msg *  msg, unsigned int  count  )

static

Definition at line 575 of file dsi.c.

References ARRAY_SIZE, BIOS_ERR, BIOS_INFO, BIT, count, DSI_RD_DATA, error_report, MIN, MIPI_DSI_RX_ACKNOWLEDGE_AND_ERROR_REPORT, MIPI_DSI_RX_DCS_LONG_READ_RESPONSE, MIPI_DSI_RX_DCS_SHORT_READ_RESPONSE_1BYTE, MIPI_DSI_RX_DCS_SHORT_READ_RESPONSE_2BYTE, MIPI_DSI_RX_GENERIC_LONG_READ_RESPONSE, printk, mipi_dsi_msg::rx_buf, mipi_dsi_msg::rx_len, tegra_dsi_readl(), and value.

Referenced by tegra_dsi_host_transfer().

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tegra_dsi_set_phy_timing()

static int tegra_dsi_set_phy_timing ( struct tegra_dsi *  dsi )

static

Definition at line 178 of file dsi.c.

References BIOS_ERR, mipi_dphy_set_timing(), printk, and tegra_dsi::slave.

Referenced by dsi_enable().

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tegra_dsi_set_timeout()

static void tegra_dsi_set_timeout ( struct tegra_dsi *  dsi, unsigned long  bclk, unsigned int  vrefresh  )

static

Definition at line 437 of file dsi.c.

References DSI_TALLY_HTX, DSI_TALLY_LRX, DSI_TALLY_TA, DSI_TIMEOUT_0, DSI_TIMEOUT_1, DSI_TIMEOUT_HTX, DSI_TIMEOUT_LRX, DSI_TIMEOUT_PR, DSI_TIMEOUT_TA, DSI_TO_TALLY, tegra_dsi::slave, tegra_dsi_writel(), and value.

Referenced by tegra_output_dsi_setup_clock().

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tegra_dsi_transmit()

static int tegra_dsi_transmit ( struct tegra_dsi *  dsi, unsigned long  timeout_ms  )

static

Definition at line 635 of file dsi.c.

References BIOS_ERR, DSI_TRIGGER, DSI_TRIGGER_HOST, ETIMEDOUT, printk, tegra_dsi_readl(), tegra_dsi_writel(), udelay(), and value.

Referenced by tegra_dsi_host_transfer().

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tegra_dsi_wait_for_response()

static int tegra_dsi_wait_for_response ( struct tegra_dsi *  dsi, unsigned long  timeout_ms  )

static

Definition at line 662 of file dsi.c.

References BIOS_ERR, count, DSI_STATUS, ETIMEDOUT, printk, tegra_dsi_readl(), udelay(), and value.

Referenced by tegra_dsi_host_transfer().

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tegra_output_dsi_enable()

static int tegra_output_dsi_enable ( struct tegra_dsi *  dsi, const struct soc_nvidia_tegra210_config *  config  )

static

Definition at line 416 of file dsi.c.

References BIOS_ERR, config, tegra_dsi::enabled, printk, tegra_dsi_configure(), and tegra_dsi_enable().

Referenced by dsi_enable().

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tegra_output_dsi_setup_clock()

static int tegra_output_dsi_setup_clock ( struct tegra_dsi *  dsi, const struct soc_nvidia_tegra210_config *  config  )

static

Definition at line 460 of file dsi.c.

References BIOS_ERR, BIOS_INFO, tegra_dsi::clk_rate, clock_configure_plld(), config, DIV_ROUND_UP, tegra_dsi::format, tegra_dsi::ganged_lanes, tegra_dsi::ganged_mode, tegra_dsi::lanes, printk, tegra_dsi::slave, tegra_dsi_get_muldiv(), tegra_dsi_set_timeout(), update_display_shift_clock_divider(), and USECS_PER_SEC.

Referenced by dsi_enable().

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Variable Documentation

dsi_data

struct tegra_dsi dsi_data[NUM_DSI]

Initial value:

= {
        {
                .regs = (void *)TEGRA_DSIA_BASE,
                .channel = 0,
                .slave = &dsi_data[DSI_B],
                .master = NULL,
                .video_fifo_depth = MAX_DSI_VIDEO_FIFO_DEPTH,
                .host_fifo_depth = MAX_DSI_HOST_FIFO_DEPTH,
        },
        {
                .regs = (void *)TEGRA_DSIB_BASE,
                .channel = 0,
                .slave = NULL,
                .master = &dsi_data[DSI_A],
                .video_fifo_depth = MAX_DSI_VIDEO_FIFO_DEPTH,
                .host_fifo_depth = MAX_DSI_HOST_FIFO_DEPTH,
        },
}

Definition at line 1 of file dsi.c.

Referenced by dsi_enable(), and dsi_probe_if().

error_report

const char* const error_report[16]

static

Initial value:

= {
        "SoT Error",
        "SoT Sync Error",
        "EoT Sync Error",
        "Escape Mode Entry Command Error",
        "Low-Power Transmit Sync Error",
        "Peripheral Timeout Error",
        "False Control Error",
        "Contention Detected",
        "ECC Error, single-bit",
        "ECC Error, multi-bit",
        "Checksum Error",
        "DSI Data Type Not Recognized",
        "DSI VC ID Invalid",
        "Invalid Transmission Length",
        "Reserved",
        "DSI Protocol Violation",
}

Definition at line 556 of file dsi.c.

Referenced by tegra_dsi_read_response().

init_reg

const u32 init_reg[]

static

Definition at line 45 of file dsi.c.

Referenced by tegra_dsi_init_regs().

mipi_device_data

struct tegra_mipi_device mipi_device_data[NUM_DSI]

Definition at line 1 of file dsi.c.

Referenced by dsi_probe_if().

pkt_seq_command_mode

const u32 pkt_seq_command_mode[NUM_PKT_SEQ]

static

Initial value:

= {
        [ 0] = 0,
        [ 1] = 0,
        [ 2] = 0,
        [ 3] = 0,
        [ 4] = 0,
        [ 5] = 0,
        [ 6] = PKT_ID0(MIPI_DSI_DCS_LONG_WRITE) | PKT_LEN0(3) | PKT_LP,
        [ 7] = 0,
        [ 8] = 0,
        [ 9] = 0,
        [10] = PKT_ID0(MIPI_DSI_DCS_LONG_WRITE) | PKT_LEN0(5) | PKT_LP,
        [11] = 0,
}

Definition at line 163 of file dsi.c.

Referenced by tegra_dsi_configure().

pkt_seq_video_non_burst_sync_events

const u32 pkt_seq_video_non_burst_sync_events[NUM_PKT_SEQ]

static

Initial value:

= {
        [ 0] = PKT_ID0(MIPI_DSI_V_SYNC_START) | PKT_LEN0(0) |
               PKT_ID1(MIPI_DSI_END_OF_TRANSMISSION) | PKT_LEN1(7) |
               PKT_LP,
        [ 1] = 0,
        [ 2] = PKT_ID0(MIPI_DSI_H_SYNC_START) | PKT_LEN0(0) |
               PKT_ID1(MIPI_DSI_END_OF_TRANSMISSION) | PKT_LEN1(7) |
               PKT_LP,
        [ 3] = 0,
        [ 4] = PKT_ID0(MIPI_DSI_H_SYNC_START) | PKT_LEN0(0) |
               PKT_ID1(MIPI_DSI_END_OF_TRANSMISSION) | PKT_LEN1(7) |
               PKT_LP,
        [ 5] = 0,
 
        [ 6] = PKT_ID0(MIPI_DSI_H_SYNC_START) | PKT_LEN0(0) |
               PKT_ID1(MIPI_DSI_BLANKING_PACKET) | PKT_LEN1(2) |
               PKT_ID2(MIPI_DSI_PACKED_PIXEL_STREAM_24) | PKT_LEN2(3),
 
        [ 7] = PKT_ID0(MIPI_DSI_BLANKING_PACKET) | PKT_LEN0(4),
        [ 8] = PKT_ID0(MIPI_DSI_H_SYNC_START) | PKT_LEN0(0) |
               PKT_ID1(MIPI_DSI_END_OF_TRANSMISSION) | PKT_LEN1(7) |
               PKT_LP,
        [ 9] = 0,
 
        [10] = PKT_ID0(MIPI_DSI_H_SYNC_START) | PKT_LEN0(0) |
               PKT_ID1(MIPI_DSI_BLANKING_PACKET) | PKT_LEN1(2) |
               PKT_ID2(MIPI_DSI_PACKED_PIXEL_STREAM_24) | PKT_LEN2(3),
 
        [11] = PKT_ID0(MIPI_DSI_BLANKING_PACKET) | PKT_LEN0(4),
}

Definition at line 132 of file dsi.c.

Referenced by tegra_dsi_configure().

pkt_seq_video_non_burst_sync_pulses

const u32 pkt_seq_video_non_burst_sync_pulses[NUM_PKT_SEQ]

static

Definition at line 94 of file dsi.c.

Referenced by tegra_dsi_configure().

tegra_dsi_host_ops

const struct mipi_dsi_host_ops tegra_dsi_host_ops

static

Initial value:

= {
        .attach = tegra_dsi_host_attach,
        .transfer = tegra_dsi_host_transfer,
}

Definition at line 836 of file dsi.c.

Referenced by dsi_probe_if().