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tegra132: Add dsi driver 

Add dsi and related dc, panel configuration functions.

BRANCH=none
BUG=chrome-os-partner:31936
TEST=build and test on ryu

Change-Id: I8440b6dfccc7ed7cd280a0df3a98cbc7b7d66070
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: fb08563f67daf9a616b60609c4523b823d34f8e3
Original-Change-Id: I87b8047e23ebe114af353fcce5924a46621d16d2
Original-Signed-off-by: Jimmy Zhang <jimmzhang@nvidia.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/227202
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Commit-Queue: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/9517
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
Jimmy Zhang 2014-09-15 16:50:36 -07:00 committed by Patrick Georgi
parent 51067116eb
commit e3a938dfdd
18 changed files with 2989 additions and 185 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
src/soc/nvidia/tegra/dc.h
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@ -24,6 +24,7 @@
#ifndef __SOC_NVIDIA_TEGRA_DC_H #ifndef __SOC_NVIDIA_TEGRA_DC_H
#define __SOC_NVIDIA_TEGRA_DC_H #define __SOC_NVIDIA_TEGRA_DC_H
#include <stddef.h>
/* Register definitions for the Tegra display controller */ /* Register definitions for the Tegra display controller */

76
src/soc/nvidia/tegra/types.h Normal file
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@ -0,0 +1,76 @@
/*
* This file is part of the coreboot project.
*
* Copyright 2014 Google Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef __TEGRA_MISC_TYPES_H__
#define __TEGRA_MISC_TYPES_H__
#define EFAULT 1
#define EINVAL 2
#define ETIMEDOUT 3
#define ENOSPC 4
#define ENOSYS 5
#define EPTR 6
#define IS_ERR_PTR(ptr) \
(ptr == (void *)-EPTR)
#ifndef bool
#define bool int
#endif
#ifndef false
#define false 0
#endif
#ifndef true
#define true 1
#endif
#ifndef container_of
/**
* container_of - cast a member of a structure out to the containing structure
* @ptr: the pointer to the member.
* @type: the type of the container struct this is embedded in.
* @member: the name of the member within the struct.
*
*/
#define container_of(ptr, type, member) ({ \
const typeof( ((type *)0)->member ) *__mptr = (ptr); \
(type *)( (char *)__mptr - offsetof(type,member) );})
#endif
#define DIV_ROUND_UP(x, y) (((x) + (y) - 1) / (y))
/*
* Divide positive or negative dividend by positive divisor and round
* to closest integer. Result is undefined for negative divisors and
* for negative dividends if the divisor variable type is unsigned.
*/
#define DIV_ROUND_CLOSEST(x, divisor)( \
{ \
typeof(x) __x = x; \
typeof(divisor) __d = divisor; \
(((typeof(x))-1) > 0 || \
((typeof(divisor))-1) > 0 || (__x) > 0) ? \
(((__x) + ((__d) / 2)) / (__d)) : \
(((__x) - ((__d) / 2)) / (__d)); \
} \
)
#endif /* __TEGRA_MISC_TYPES_H__ */

7
src/soc/nvidia/tegra132/Makefile.inc
View File

@ -66,6 +66,13 @@ ramstage-y += cbmem.c
ramstage-y += cpu.c ramstage-y += cpu.c
ramstage-y += cpu_lib.S ramstage-y += cpu_lib.S
ramstage-y += clock.c ramstage-y += clock.c
ramstage-y += display.c
ramstage-y += tegra_dsi.c
ramstage-y += mipi_dsi.c
ramstage-y += mipi.c
ramstage-y += mipi-phy.c
ramstage-y += ./jdi_25x18_display/panel-jdi-lpm102a188a.c
ramstage-y += soc.c ramstage-y += soc.c
ramstage-y += spi.c ramstage-y += spi.c
ramstage-y += i2c.c ramstage-y += i2c.c

4
src/soc/nvidia/tegra132/chip.h
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@ -19,13 +19,9 @@
#ifndef __SOC_NVIDIA_TEGRA132_CHIP_H__ #ifndef __SOC_NVIDIA_TEGRA132_CHIP_H__
#define __SOC_NVIDIA_TEGRA132_CHIP_H__ #define __SOC_NVIDIA_TEGRA132_CHIP_H__
#include <arch/cache.h>
#include <soc/addressmap.h> #include <soc/addressmap.h>
#include <stdint.h> #include <stdint.h>
#define EFAULT 1
#define EINVAL 2
struct soc_nvidia_tegra132_config { struct soc_nvidia_tegra132_config {
/* Address to monitor if spintable employed. */ /* Address to monitor if spintable employed. */
uintptr_t spintable_addr; uintptr_t spintable_addr;

297
src/soc/nvidia/tegra132/display.c Normal file
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@ -0,0 +1,297 @@
/*
* This file is part of the coreboot project.
*
* Copyright 2014 Google Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <console/console.h>
#include <arch/io.h>
#include <stdint.h>
#include <lib.h>
#include <stdlib.h>
#include <delay.h>
#include <soc/addressmap.h>
#include <device/device.h>
#include <device/i2c.h>
#include <string.h>
#include <cpu/cpu.h>
#include <boot/tables.h>
#include <cbmem.h>
#include <soc/clock.h>
#include <soc/nvidia/tegra/dc.h>
#include <soc/funitcfg.h>
#include "chip.h"
#include <soc/display.h>
int dump = 0;
unsigned long READL(void * p)
{
unsigned long value;
/*
* In case of hard hung on readl(p), we can set dump > 1 to print out
* the address accessed.
*/
if (dump > 1)
printk(BIOS_SPEW, "readl %p\n", p);
value = readl(p);
if (dump)
printk(BIOS_SPEW, "readl %p %08lx\n", p, value);
return value;
}
void WRITEL(unsigned long value, void * p)
{
if (dump)
printk(BIOS_SPEW, "writel %p %08lx\n", p, value);
writel(value, p);
}
/* return in 1000ths of a Hertz */
static int tegra_calc_refresh(const struct soc_nvidia_tegra132_config *config)
{
int refresh;
int h_total = htotal(config);
int v_total = vtotal(config);
int pclk = config->pixel_clock;
if (!pclk || !h_total || !v_total)
return 0;
refresh = pclk / h_total;
refresh *= 1000;
refresh /= v_total;
return refresh;
}
static void print_mode(const struct soc_nvidia_tegra132_config *config)
{
if (config) {
int refresh = tegra_calc_refresh(config);
printk(BIOS_ERR,
"MODE:%dx%d@%d.%03uHz pclk=%d\n",
config->xres, config->yres,
refresh / 1000, refresh % 1000,
config->pixel_clock);
}
}
static int update_display_mode(struct display_controller *disp_ctrl,
struct soc_nvidia_tegra132_config *config)
{
print_mode(config);
printk(BIOS_ERR, "config: xres:yres: %d x %d\n ",
config->xres, config->yres);
printk(BIOS_ERR, " href_sync:vref_sync: %d x %d\n ",
config->href_to_sync, config->vref_to_sync);
printk(BIOS_ERR, " hsyn_width:vsyn_width: %d x %d\n ",
config->hsync_width, config->vsync_width);
printk(BIOS_ERR, " hfnt_porch:vfnt_porch: %d x %d\n ",
config->hfront_porch, config->vfront_porch);
printk(BIOS_ERR, " hbk_porch:vbk_porch: %d x %d\n ",
config->hback_porch, config->vback_porch);
WRITEL(0x0, &disp_ctrl->disp.disp_timing_opt);
WRITEL(0x0, &disp_ctrl->disp.disp_color_ctrl);
// select DSI
WRITEL(DSI_ENABLE, &disp_ctrl->disp.disp_win_opt);
WRITEL(config->vref_to_sync << 16 | config->href_to_sync,
&disp_ctrl->disp.ref_to_sync);
WRITEL(config->vsync_width << 16 | config->hsync_width,
&disp_ctrl->disp.sync_width);
WRITEL((config->vback_porch << 16) | config->hback_porch,
&disp_ctrl->disp.back_porch);
WRITEL((config->vfront_porch << 16) | config->hfront_porch,
&disp_ctrl->disp.front_porch);
WRITEL(config->xres | (config->yres << 16),
&disp_ctrl->disp.disp_active);
/**
* We want to use PLLD_out0, which is PLLD / 2:
* PixelClock = (PLLD / 2) / ShiftClockDiv / PixelClockDiv.
*
* Currently most panels work inside clock range 50MHz~100MHz, and PLLD
* has some requirements to have VCO in range 500MHz~1000MHz (see
* clock.c for more detail). To simplify calculation, we set
* PixelClockDiv to 1 and ShiftClockDiv to 1. In future these values
* may be calculated by clock_display, to allow wider frequency range.
*
* Note ShiftClockDiv is a 7.1 format value.
*/
const u32 shift_clock_div = 1;
WRITEL((PIXEL_CLK_DIVIDER_PCD1 << PIXEL_CLK_DIVIDER_SHIFT) |
((shift_clock_div - 1) * 2 + 1) << SHIFT_CLK_DIVIDER_SHIFT,
&disp_ctrl->disp.disp_clk_ctrl);
printk(BIOS_DEBUG, "%s: PixelClock=%u, ShiftClockDiv=%u\n",
__func__, config->pixel_clock, shift_clock_div);
return 0;
}
/*
* update_window:
* set up window registers and activate window except two:
* frame buffer base address register (WINBUF_START_ADDR) and
* display enable register (_DISP_DISP_WIN_OPTIONS). This is
* becasue framebuffer is not available until payload stage.
*/
static void update_window(const struct soc_nvidia_tegra132_config *config)
{
struct display_controller *disp_ctrl =
(void *)config->display_controller;
u32 val;
WRITEL(WINDOW_A_SELECT, &disp_ctrl->cmd.disp_win_header);
WRITEL(((config->yres << 16) | config->xres), &disp_ctrl->win.size);
WRITEL(((config->yres << 16) |
(config->xres * config->framebuffer_bits_per_pixel / 8)),
&disp_ctrl->win.prescaled_size);
val = ALIGN_UP((config->xres * config->framebuffer_bits_per_pixel / 8),
64);
WRITEL(val, &disp_ctrl->win.line_stride);
WRITEL(config->color_depth, &disp_ctrl->win.color_depth);
WRITEL(COLOR_BLACK, &disp_ctrl->disp.blend_background_color);
WRITEL((V_DDA_INC(0x1000) | H_DDA_INC(0x1000)),
&disp_ctrl->win.dda_increment);
WRITEL(DISP_CTRL_MODE_C_DISPLAY, &disp_ctrl->cmd.disp_cmd);
WRITEL(WRITE_MUX_ACTIVE, &disp_ctrl->cmd.state_access);
WRITEL(0, &disp_ctrl->win.buffer_addr_mode);
val = PW0_ENABLE | PW1_ENABLE | PW2_ENABLE | PW3_ENABLE |
PW4_ENABLE | PM0_ENABLE | PM1_ENABLE;
WRITEL(val, &disp_ctrl->cmd.disp_pow_ctrl);
val = GENERAL_UPDATE | WIN_A_UPDATE;
val |= GENERAL_ACT_REQ | WIN_A_ACT_REQ;
WRITEL(val, &disp_ctrl->cmd.state_ctrl);
}
static int tegra_dc_init(struct display_controller *disp_ctrl)
{
/* do not accept interrupts during initialization */
WRITEL(0x00000000, &disp_ctrl->cmd.int_mask);
WRITEL(WRITE_MUX_ASSEMBLY | READ_MUX_ASSEMBLY,
&disp_ctrl->cmd.state_access);
WRITEL(WINDOW_A_SELECT, &disp_ctrl->cmd.disp_win_header);
WRITEL(0x00000000, &disp_ctrl->win.win_opt);
WRITEL(0x00000000, &disp_ctrl->win.byte_swap);
WRITEL(0x00000000, &disp_ctrl->win.buffer_ctrl);
WRITEL(0x00000000, &disp_ctrl->win.pos);
WRITEL(0x00000000, &disp_ctrl->win.h_initial_dda);
WRITEL(0x00000000, &disp_ctrl->win.v_initial_dda);
WRITEL(0x00000000, &disp_ctrl->win.dda_increment);
WRITEL(0x00000000, &disp_ctrl->win.dv_ctrl);
WRITEL(0x01000000, &disp_ctrl->win.blend_layer_ctrl);
WRITEL(0x00000000, &disp_ctrl->win.blend_match_select);
WRITEL(0x00000000, &disp_ctrl->win.blend_nomatch_select);
WRITEL(0x00000000, &disp_ctrl->win.blend_alpha_1bit);
WRITEL(0x00000000, &disp_ctrl->winbuf.start_addr_hi);
WRITEL(0x00000000, &disp_ctrl->winbuf.addr_h_offset);
WRITEL(0x00000000, &disp_ctrl->winbuf.addr_v_offset);
WRITEL(0x00000000, &disp_ctrl->com.crc_checksum);
WRITEL(0x00000000, &disp_ctrl->com.pin_output_enb[0]);
WRITEL(0x00000000, &disp_ctrl->com.pin_output_enb[1]);
WRITEL(0x00000000, &disp_ctrl->com.pin_output_enb[2]);
WRITEL(0x00000000, &disp_ctrl->com.pin_output_enb[3]);
WRITEL(0x00000000, &disp_ctrl->disp.disp_signal_opt0);
return 0;
}
void display_startup(device_t dev)
{
struct soc_nvidia_tegra132_config *config = dev->chip_info;
struct display_controller *disp_ctrl =
(void *)config->display_controller;
u32 plld_rate;
u32 framebuffer_size_mb = config->framebuffer_size / MiB;
u32 framebuffer_base_mb= config->framebuffer_base / MiB;
printk(BIOS_INFO, "%s: entry: disp_ctrl: %p.\n",
__func__, disp_ctrl);
if (disp_ctrl == NULL) {
printk(BIOS_ERR, "Error: No dc is assigned by dt.\n");
return;
}
if (framebuffer_size_mb == 0){
framebuffer_size_mb = ALIGN_UP(config->xres * config->yres *
(config->framebuffer_bits_per_pixel / 8), MiB)/MiB;
}
config->framebuffer_size = framebuffer_size_mb * MiB;
config->framebuffer_base = framebuffer_base_mb * MiB;
/*
* The plld is programmed with the assumption of the SHIFT_CLK_DIVIDER
* and PIXEL_CLK_DIVIDER are zero (divide by 1). See the
* update_display_mode() for detail.
*/
/* set default plld */
plld_rate = clock_display(config->pixel_clock * 2);
if (plld_rate == 0) {
printk(BIOS_ERR, "dc: clock init failed\n");
return;
} else if (plld_rate != config->pixel_clock * 2) {
printk(BIOS_WARNING, "dc: plld rounded to %u\n", plld_rate);
}
/* set disp1's clock source to PLLD_OUT0 */
clock_configure_source(disp1, PLLD, (plld_rate/KHz)/2);
/* Init dc */
if (tegra_dc_init(disp_ctrl)) {
printk(BIOS_ERR, "dc: init failed\n");
return;
}
/* Configure dc mode */
if (update_display_mode(disp_ctrl, config)) {
printk(BIOS_ERR, "dc: failed to configure display mode.\n");
return;
}
/* Configure and enable dsi controller and panel */
if (dsi_enable(config)) {
printk(BIOS_ERR, "%s: failed to enable dsi controllers.\n",
__func__);
return;
}
/* set up window */
update_window(config);
printk(BIOS_INFO, "%s: display init done.\n", __func__);
}

3
src/soc/nvidia/tegra132/include/soc/addressmap.h
View File

@ -35,6 +35,8 @@ enum {
TEGRA_GICC_BASE = 0x50042000, TEGRA_GICC_BASE = 0x50042000,
TEGRA_ARM_DISPLAYA = 0x54200000, TEGRA_ARM_DISPLAYA = 0x54200000,
TEGRA_ARM_DISPLAYB = 0x54240000, TEGRA_ARM_DISPLAYB = 0x54240000,
TEGRA_DSIA_BASE = 0x54300000,
TEGRA_DSIB_BASE = 0x54400000,
TEGRA_ARM_SOR = 0x54540000, TEGRA_ARM_SOR = 0x54540000,
TEGRA_ARM_DPAUX = 0x545c0000, TEGRA_ARM_DPAUX = 0x545c0000,
TEGRA_PG_UP_BASE = 0x60000000, TEGRA_PG_UP_BASE = 0x60000000,
@ -85,6 +87,7 @@ enum {
TEGRA_SDMMC2_BASE = TEGRA_SDMMC_BASE + 0x0200, TEGRA_SDMMC2_BASE = TEGRA_SDMMC_BASE + 0x0200,
TEGRA_SDMMC3_BASE = TEGRA_SDMMC_BASE + 0x0400, TEGRA_SDMMC3_BASE = TEGRA_SDMMC_BASE + 0x0400,
TEGRA_SDMMC4_BASE = TEGRA_SDMMC_BASE + 0x0600, TEGRA_SDMMC4_BASE = TEGRA_SDMMC_BASE + 0x0600,
TEGRA_MIPI_CAL_BASE = 0x700E3000,
TEGRA_SYSCTR0_BASE = 0x700F0000, TEGRA_SYSCTR0_BASE = 0x700F0000,
TEGRA_USBD_BASE = 0x7D000000, TEGRA_USBD_BASE = 0x7D000000,
TEGRA_USB2_BASE = 0x7D004000, TEGRA_USB2_BASE = 0x7D004000,

193
src/soc/nvidia/tegra132/include/soc/display.h
View File

@ -17,184 +17,25 @@
#ifndef __SOC_NVIDIA_TEGRA132_INCLUDE_SOC_DISPLAY_H__ #ifndef __SOC_NVIDIA_TEGRA132_INCLUDE_SOC_DISPLAY_H__
#define __SOC_NVIDIA_TEGRA132_INCLUDE_SOC_DISPLAY_H__ #define __SOC_NVIDIA_TEGRA132_INCLUDE_SOC_DISPLAY_H__
/* ardisplay.h */
#define DC_CMD_DISPLAY_WINDOW_HEADER_0 0x42
#define DC_COM_CRC_CONTROL_0 0x300
#define DC_COM_CRC_CHECKSUM_0 0x301
#define DC_COM_PIN_OUTPUT_ENABLE0_0 0x302
#define DC_COM_PIN_OUTPUT_ENABLE1_0 0x303
#define DC_COM_PIN_OUTPUT_ENABLE2_0 0x304
#define DC_COM_PIN_OUTPUT_ENABLE3_0 0x305
#define DC_CMD_STATE_ACCESS_0 0x40
#define DC_DISP_DISP_CLOCK_CONTROL_0 0x42e
#define DC_DISP_DISP_TIMING_OPTIONS_0 0x405
#define DC_DISP_REF_TO_SYNC_0 0x406
#define DC_DISP_SYNC_WIDTH_0 0x407
#define DC_DISP_BACK_PORCH_0 0x408
#define DC_DISP_DISP_ACTIVE_0 0x409
#define DC_DISP_FRONT_PORCH_0 0x40a
#define DC_DISP_DISP_WIN_OPTIONS_0 0x402
#define DC_DISP_DISP_WIN_OPTIONS_0_SOR_ENABLE_SHIFT 25
#define DC_DISP_DISP_WIN_OPTIONS_0_SOR_ENABLE_FIELD (0x1 << DC_DISP_DISP_WIN_OPTIONS_0_SOR_ENABLE_SHIFT)
#define DC_DISP_DISP_SIGNAL_OPTIONS0_0 0x400
#define DC_DISP_BLEND_BACKGROUND_COLOR_0 0x4e4
#define DC_CMD_DISPLAY_COMMAND_0 0x32
#define DC_CMD_STATE_CONTROL_0 0x41
#define DC_CMD_DISPLAY_POWER_CONTROL_0 0x36
/* ardisplay_a.h */
#define DC_WIN_A_WIN_OPTIONS_0 0x700
#define DC_WIN_A_WIN_OPTIONS_0_A_WIN_ENABLE_SHIFT 30
#define DC_WIN_A_WIN_OPTIONS_0_A_WIN_ENABLE_FIELD (0x1 << DC_WIN_A_WIN_OPTIONS_0_A_WIN_ENABLE_SHIFT)
#define DC_WIN_A_WIN_OPTIONS_0_A_WIN_ENABLE_ENABLE (1)
#define DC_WIN_A_BYTE_SWAP_0 0x701
#define DC_WIN_A_BUFFER_CONTROL_0 0x702
#define DC_WIN_A_COLOR_DEPTH_0 0x703
#define DC_WIN_A_POSITION_0 0x704
#define DC_WIN_A_SIZE_0 0x705
#define DC_WIN_A_PRESCALED_SIZE_0 0x706
#define DC_WIN_A_H_INITIAL_DDA_0 0x707
#define DC_WIN_A_V_INITIAL_DDA_0 0x708
#define DC_WIN_A_DDA_INCREMENT_0 0x709
#define DC_WIN_A_LINE_STRIDE_0 0x70a
#define DC_WIN_A_DV_CONTROL_0 0x70e
#define DC_WIN_A_BLEND_LAYER_CONTROL_0 0x716
#define DC_WIN_A_BLEND_MATCH_SELECT_0 0x717
#define DC_WIN_A_BLEND_NOMATCH_SELECT_0 0x718
#define DC_WIN_A_BLEND_ALPHA_1BIT_0 0x719
#define DC_WINBUF_A_START_ADDR_LO_0 0x800
#define DC_WINBUF_A_START_ADDR_HI_0 0x80d
#define DC_WINBUF_A_ADDR_H_OFFSET_0 0x806
#define DC_WINBUF_A_ADDR_V_OFFSET_0 0x808
/* ardisplay_bd.h */
#define DC_B_WIN_BD_SIZE_0 0xd85
#define DC_B_WIN_BD_PRESCALED_SIZE_0 0xd86
#define DC_B_WIN_BD_LINE_STRIDE_0 0xd8a
#define DC_B_WIN_BD_COLOR_DEPTH_0 0xd83
#define DC_B_WINBUF_BD_START_ADDR_0 0xdc0
#define DC_B_WIN_BD_DDA_INCREMENT_0 0xd89
#define DC_B_WIN_BD_WIN_OPTIONS_0 0xd80
#define DC_B_WIN_BD_WIN_OPTIONS_0_BD_WIN_ENABLE_SHIFT 30
#define DC_B_WIN_BD_WIN_OPTIONS_0_BD_WIN_ENABLE_FIELD (0x1 << DC_B_WIN_BD_WIN_OPTIONS_0_BD_WIN_ENABLE_SHIFT)
#define DC_B_WIN_BD_WIN_OPTIONS_0_BD_WIN_ENABLE_ENABLE (1)
/* arsor.h */
#define SOR_NV_PDISP_SOR_CLK_CNTRL_0 0x13
#define SOR_NV_PDISP_SOR_DP_PADCTL0_0 0x5c
#define SOR_NV_PDISP_SOR_PLL0_0 0x17
#define SOR_NV_PDISP_SOR_PLL1_0 0x18
#define SOR_NV_PDISP_SOR_PLL2_0 0x19
#define SOR_NV_PDISP_SOR_PLL3_0 0x1a
#define SOR_NV_PDISP_SOR_PLL2_0_AUX6_SHIFT 22
#define SOR_NV_PDISP_SOR_PLL2_0_AUX6_FIELD (0x1 << SOR_NV_PDISP_SOR_PLL2_0_AUX6_SHIFT)
#define SOR_NV_PDISP_SOR_PLL0_0_PWR_SHIFT 0
#define SOR_NV_PDISP_SOR_PLL0_0_PWR_FIELD (0x1 << SOR_NV_PDISP_SOR_PLL0_0_PWR_SHIFT)
#define SOR_NV_PDISP_SOR_PLL0_0_VCOPD_SHIFT 2
#define SOR_NV_PDISP_SOR_PLL0_0_VCOPD_FIELD (0x1 << SOR_NV_PDISP_SOR_PLL0_0_VCOPD_SHIFT)
#define SOR_NV_PDISP_SOR_PLL2_0_AUX8_SHIFT 24
#define SOR_NV_PDISP_SOR_PLL2_0_AUX8_FIELD (0x1 << SOR_NV_PDISP_SOR_PLL2_0_AUX8_SHIFT)
#define SOR_NV_PDISP_SOR_PLL2_0_AUX7_SHIFT 23
#define SOR_NV_PDISP_SOR_PLL2_0_AUX7_FIELD (0x1 << SOR_NV_PDISP_SOR_PLL2_0_AUX7_SHIFT)
#define SOR_NV_PDISP_SOR_PLL2_0_AUX9_SHIFT 25
#define SOR_NV_PDISP_SOR_PLL2_0_AUX9_FIELD (0x1 << SOR_NV_PDISP_SOR_PLL2_0_AUX9_SHIFT)
#define SOR_NV_PDISP_SOR_LANE_DRIVE_CURRENT0_0 0x4e
#define SOR_NV_PDISP_SOR_LANE_PREEMPHASIS0_0 0x52
#define SOR_NV_PDISP_SOR_POSTCURSOR0_0 0x56
#define SOR_NV_PDISP_SOR_DP_PADCTL0_0 0x5c
#define SOR_NV_PDISP_SOR_DP_PADCTL0_0_TX_PU_VALUE_SHIFT 8
#define SOR_NV_PDISP_SOR_DP_PADCTL0_0_TX_PU_VALUE_FIELD (0xff << SOR_NV_PDISP_SOR_DP_PADCTL0_0_TX_PU_VALUE_SHIFT)
#define SOR_NV_PDISP_SOR_DP_PADCTL0_0_TX_PU_SHIFT 22
#define SOR_NV_PDISP_SOR_DP_PADCTL0_0_TX_PU_FIELD (0x1 << SOR_NV_PDISP_SOR_DP_PADCTL0_0_TX_PU_SHIFT)
#define SOR_NV_PDISP_SOR_LVDS_0 0x1c
#define SOR_NV_PDISP_SOR_CLK_CNTRL_0 0x13
#define SOR_NV_PDISP_SOR_DP_LINKCTL0_0 0x4c
#define SOR_NV_PDISP_SOR_LANE_SEQ_CTL_0 0x21
#define SOR_NV_PDISP_SOR_DP_TPG_0 0x6d
#define SOR_NV_PDISP_HEAD_STATE1_0 0x7
#define SOR_NV_PDISP_HEAD_STATE2_0 0x9
#define SOR_NV_PDISP_HEAD_STATE3_0 0xb
#define SOR_NV_PDISP_HEAD_STATE4_0 0xd
#define SOR_NV_PDISP_SOR_STATE1_0 0x4
#define SOR_NV_PDISP_SOR_STATE1_0_ASY_HSYNCPOL_SHIFT 12
#define SOR_NV_PDISP_SOR_STATE1_0_ASY_HSYNCPOL_FIELD (0x1 << SOR_NV_PDISP_SOR_STATE1_0_ASY_HSYNCPOL_SHIFT)
#define SOR_NV_PDISP_SOR_STATE1_0_ASY_VSYNCPOL_SHIFT 13
#define SOR_NV_PDISP_SOR_STATE1_0_ASY_VSYNCPOL_FIELD (0x1 << SOR_NV_PDISP_SOR_STATE1_0_ASY_VSYNCPOL_SHIFT)
#define SOR_NV_PDISP_SOR_STATE1_0_ASY_PROTOCOL_SHIFT 8
#define SOR_NV_PDISP_SOR_STATE1_0_ASY_PROTOCOL_FIELD (0xf << SOR_NV_PDISP_SOR_STATE1_0_ASY_PROTOCOL_SHIFT)
#define SOR_NV_PDISP_SOR_STATE1_0_ASY_PROTOCOL_LVDS_CUSTOM (0)
#define SOR_NV_PDISP_SOR_STATE1_0_ASY_PROTOCOL_DP_A (8)
#define SOR_NV_PDISP_SOR_STATE1_0_ASY_PROTOCOL_DP_B (9)
#define SOR_NV_PDISP_SOR_STATE1_0_ASY_PROTOCOL_CUSTOM (15)
#define SOR_NV_PDISP_SOR_STATE1_0_ASY_CRCMODE_ACTIVE_RASTER (0)
#define SOR_NV_PDISP_SOR_STATE1_0_ASY_CRCMODE_COMPLETE_RASTER (1)
#define SOR_NV_PDISP_SOR_STATE1_0_ASY_CRCMODE_NON_ACTIVE_RASTER (2)
#define SOR_NV_PDISP_SOR_STATE1_0_ASY_CRCMODE_SHIFT 6
#define SOR_NV_PDISP_SOR_STATE1_0_ASY_CRCMODE_FIELD (0x3 << SOR_NV_PDISP_SOR_STATE1_0_ASY_CRCMODE_SHIFT)
#define SOR_NV_PDISP_SOR_STATE1_0_ASY_SUBOWNER_SHIFT 4
#define SOR_NV_PDISP_SOR_STATE1_0_ASY_SUBOWNER_FIELD (0x3 << SOR_NV_PDISP_SOR_STATE1_0_ASY_SUBOWNER_SHIFT)
#define SOR_NV_PDISP_SOR_STATE1_0_ASY_SUBOWNER_NONE (0)
#define SOR_NV_PDISP_SOR_STATE1_0_ASY_SUBOWNER_SUBHEAD0 (1)
#define SOR_NV_PDISP_SOR_STATE1_0_ASY_SUBOWNER_SUBHEAD1 (2)
#define SOR_NV_PDISP_SOR_STATE1_0_ASY_SUBOWNER_BOTH (3)
#define SOR_NV_PDISP_SOR_STATE1_0_ASY_OWNER_SHIFT 0
#define SOR_NV_PDISP_SOR_STATE1_0_ASY_OWNER_FIELD (0xf << SOR_NV_PDISP_SOR_STATE1_0_ASY_OWNER_SHIFT)
#define SOR_NV_PDISP_SOR_STATE1_0_ASY_OWNER_NONE (0)
#define SOR_NV_PDISP_SOR_STATE1_0_ASY_OWNER_HEAD0 (1)
#define SOR_NV_PDISP_SOR_STATE1_0_ASY_OWNER_HEAD1 (2)
#define SOR_NV_PDISP_SOR_DP_CONFIG0_0 0x58
#define SOR_NV_PDISP_SOR_DP_CONFIG0_0_ACTIVESYM_POLARITY_SHIFT 24
#define SOR_NV_PDISP_SOR_DP_CONFIG0_0_ACTIVESYM_POLARITY_FIELD (0x1 << SOR_NV_PDISP_SOR_DP_CONFIG0_0_ACTIVESYM_POLARITY_SHIFT)
#define SOR_NV_PDISP_SOR_DP_CONFIG0_0_ACTIVESYM_FRAC_SHIFT 16
#define SOR_NV_PDISP_SOR_DP_CONFIG0_0_ACTIVESYM_FRAC_FIELD (0xf << SOR_NV_PDISP_SOR_DP_CONFIG0_0_ACTIVESYM_FRAC_SHIFT)
#define SOR_NV_PDISP_SOR_DP_CONFIG0_0_ACTIVESYM_COUNT_SHIFT 8
#define SOR_NV_PDISP_SOR_DP_CONFIG0_0_ACTIVESYM_COUNT_FIELD (0x7f << SOR_NV_PDISP_SOR_DP_CONFIG0_0_ACTIVESYM_COUNT_SHIFT)
#define SOR_NV_PDISP_SOR_DP_CONFIG0_0_WATERMARK_SHIFT 0
#define SOR_NV_PDISP_SOR_DP_CONFIG0_0_WATERMARK_FIELD (0x3f << SOR_NV_PDISP_SOR_DP_CONFIG0_0_WATERMARK_SHIFT)
#define SOR_NV_PDISP_SOR_DP_LINKCTL0_0_TUSIZE_SHIFT 2
#define SOR_NV_PDISP_SOR_DP_LINKCTL0_0_TUSIZE_FIELD (0x7f << SOR_NV_PDISP_SOR_DP_LINKCTL0_0_TUSIZE_SHIFT)
#define SOR_NV_PDISP_SOR_STATE1_0_ASY_PIXELDEPTH_SHIFT 17
#define SOR_NV_PDISP_SOR_STATE1_0_ASY_PIXELDEPTH_FIELD (0xf << SOR_NV_PDISP_SOR_STATE1_0_ASY_PIXELDEPTH_SHIFT)
#define SOR_NV_PDISP_SOR_STATE1_0_ASY_PIXELDEPTH_DEFAULTVAL (0)
#define SOR_NV_PDISP_SOR_STATE1_0_ASY_PIXELDEPTH_BPP_16_422 (1)
#define SOR_NV_PDISP_SOR_STATE1_0_ASY_PIXELDEPTH_BPP_18_444 (2)
#define SOR_NV_PDISP_SOR_STATE1_0_ASY_PIXELDEPTH_BPP_20_422 (3)
#define SOR_NV_PDISP_SOR_STATE1_0_ASY_PIXELDEPTH_BPP_24_422 (4)
#define SOR_NV_PDISP_SOR_STATE1_0_ASY_PIXELDEPTH_BPP_24_444 (5)
#define SOR_NV_PDISP_SOR_STATE1_0_ASY_PIXELDEPTH_BPP_30_444 (6)
#define SOR_NV_PDISP_SOR_STATE1_0_ASY_PIXELDEPTH_BPP_32_422 (7)
#define SOR_NV_PDISP_SOR_STATE1_0_ASY_PIXELDEPTH_BPP_36_444 (8)
#define SOR_NV_PDISP_SOR_STATE1_0_ASY_PIXELDEPTH_BPP_48_444 (9)
#define SOR_NV_PDISP_SOR_CRC_CNTRL_0 0x11
#define SOR_NV_PDISP_SOR_DP_AUDIO_VBLANK_SYMBOLS_0 0x64
#define SOR_NV_PDISP_SOR_DP_SPARE0_0 0x60
#define SOR_NV_PDISP_SOR_PWR_0 0x15
#define SOR_NV_PDISP_SOR_STATE0_0 0x3
#define SOR_NV_PDISP_SOR_SUPER_STATE1_0 0x2
#define SOR_NV_PDISP_SOR_SUPER_STATE0_0 0x1
/* ardpaux.h */
#define DPAUX_DP_AUXDATA_READ_W0 0x19
#define DP_LVDS_SHIFT 25
#define DP_LVDS (1 << DP_LVDS_SHIFT)
#define SRC_BPP 16
#define COLORDEPTH 0x6
#define COLOR_WHITE 0xFFFFFF #define COLOR_WHITE 0xFFFFFF
#define COLOR_BLACK 0x000000
#define hsync_start(mode) \
(mode->xres + mode->hfront_porch)
#define hsync_end(mode) \
(mode->xres + mode->hfront_porch + mode->hsync_width)
#define htotal(mode) \
(mode->xres + mode->hfront_porch + \
mode->hsync_width + mode->hback_porch)
#define vtotal(mode) \
(mode->yres + mode->vfront_porch + \
mode->vsync_width + mode->vback_porch)
struct soc_nvidia_tegra132_config; /* forward declaration */ struct soc_nvidia_tegra132_config; /* forward declaration */
void setup_display(struct soc_nvidia_tegra132_config *config);
void init_dca_regs(void); int dsi_enable(struct soc_nvidia_tegra132_config *config);
void dp_io_powerup(void);
u32 dp_setup_timing(u32 width, u32 height);
void dp_misc_setting(u32 panel_bpp, u32 width, u32 height, u32 winb_addr,
u32 lane_count, u32 enhanced_framing, u32 panel_edp,
u32 pclkfreq, u32 linkfreq);
#endif /* __SOC_NVIDIA_TEGRA132_INCLUDE_SOC_DISPLAY_H__ */ #endif /* __SOC_NVIDIA_TEGRA132_INCLUDE_SOC_DISPLAY_H__ */

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/*
* This file is part of the coreboot project.
*
* Copyright 2014 Google Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _TEGRA_MIPI_PHY_H
#define _TEGRA_MIPI_PHY_H
#include <stdlib.h>
/*
* Macros for calculating the phy timings
*/
/* Period of one bit time in nano seconds */
#define DSI_TBIT_Factorized(Freq) (((1000) * (1000))/(Freq))
#define DSI_TBIT(Freq) (DSI_TBIT_Factorized(Freq)/(1000))
//#define NV_MAX(a,b) (((a) > (b)) ? (a) : (b))
/* Period of one byte time in nano seconds */
#define DSI_TBYTE(Freq) ((DSI_TBIT_Factorized(Freq)) * (8))
#define DSI_PHY_TIMING_DIV(X, Freq) ((X*1000) / (DSI_TBYTE(Freq)))
/*
* As per Mipi spec (minimum):
* (3 + MAX(8 * DSI_TBIT, 60 + 4 * DSI_TBIT) / DSI_TBYTE)
*/
#define DSI_THSTRAIL_VAL(Freq) \
(MAX(((8) * (DSI_TBIT(Freq))), ((60) + ((4) * (DSI_TBIT(Freq))))))
int mipi_dphy_set_timing(struct tegra_dsi *dsi);
#endif

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/*
* This file is part of the coreboot project.
*
* Copyright 2014 Google Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*
* Defines for Mobile Industry Processor Interface (MIPI(R))
* Display Working Group standards: DSI, DCS, DBI, DPI
*
* Copyright (C) 2010 Guennadi Liakhovetski <g.liakhovetski@gmx.de>
* Copyright (C) 2006 Nokia Corporation
* Author: Imre Deak <imre.deak@nokia.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef MIPI_DISPLAY_H
#define MIPI_DISPLAY_H
/* MIPI DSI Processor-to-Peripheral transaction types */
enum {
MIPI_DSI_V_SYNC_START = 0x01,
MIPI_DSI_V_SYNC_END = 0x11,
MIPI_DSI_H_SYNC_START = 0x21,
MIPI_DSI_H_SYNC_END = 0x31,
MIPI_DSI_COLOR_MODE_OFF = 0x02,
MIPI_DSI_COLOR_MODE_ON = 0x12,
MIPI_DSI_SHUTDOWN_PERIPHERAL = 0x22,
MIPI_DSI_TURN_ON_PERIPHERAL = 0x32,
MIPI_DSI_GENERIC_SHORT_WRITE_0_PARAM = 0x03,
MIPI_DSI_GENERIC_SHORT_WRITE_1_PARAM = 0x13,
MIPI_DSI_GENERIC_SHORT_WRITE_2_PARAM = 0x23,
MIPI_DSI_GENERIC_READ_REQUEST_0_PARAM = 0x04,
MIPI_DSI_GENERIC_READ_REQUEST_1_PARAM = 0x14,
MIPI_DSI_GENERIC_READ_REQUEST_2_PARAM = 0x24,
MIPI_DSI_DCS_SHORT_WRITE = 0x05,
MIPI_DSI_DCS_SHORT_WRITE_PARAM = 0x15,
MIPI_DSI_DCS_READ = 0x06,
MIPI_DSI_SET_MAXIMUM_RETURN_PACKET_SIZE = 0x37,
MIPI_DSI_END_OF_TRANSMISSION = 0x08,
MIPI_DSI_NULL_PACKET = 0x09,
MIPI_DSI_BLANKING_PACKET = 0x19,
MIPI_DSI_GENERIC_LONG_WRITE = 0x29,
MIPI_DSI_DCS_LONG_WRITE = 0x39,
MIPI_DSI_LOOSELY_PACKED_PIXEL_STREAM_YCBCR20 = 0x0c,
MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR24 = 0x1c,
MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR16 = 0x2c,
MIPI_DSI_PACKED_PIXEL_STREAM_30 = 0x0d,
MIPI_DSI_PACKED_PIXEL_STREAM_36 = 0x1d,
MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR12 = 0x3d,
MIPI_DSI_PACKED_PIXEL_STREAM_16 = 0x0e,
MIPI_DSI_PACKED_PIXEL_STREAM_18 = 0x1e,
MIPI_DSI_PIXEL_STREAM_3BYTE_18 = 0x2e,
MIPI_DSI_PACKED_PIXEL_STREAM_24 = 0x3e,
};
/* MIPI DSI Peripheral-to-Processor transaction types */
enum {
MIPI_DSI_RX_ACKNOWLEDGE_AND_ERROR_REPORT = 0x02,
MIPI_DSI_RX_END_OF_TRANSMISSION = 0x08,
MIPI_DSI_RX_GENERIC_SHORT_READ_RESPONSE_1BYTE = 0x11,
MIPI_DSI_RX_GENERIC_SHORT_READ_RESPONSE_2BYTE = 0x12,
MIPI_DSI_RX_GENERIC_LONG_READ_RESPONSE = 0x1a,
MIPI_DSI_RX_DCS_LONG_READ_RESPONSE = 0x1c,
MIPI_DSI_RX_DCS_SHORT_READ_RESPONSE_1BYTE = 0x21,
MIPI_DSI_RX_DCS_SHORT_READ_RESPONSE_2BYTE = 0x22,
};
/* MIPI DCS commands */
enum {
MIPI_DCS_NOP = 0x00,
MIPI_DCS_SOFT_RESET = 0x01,
MIPI_DCS_GET_DISPLAY_ID = 0x04,
MIPI_DCS_GET_RED_CHANNEL = 0x06,
MIPI_DCS_GET_GREEN_CHANNEL = 0x07,
MIPI_DCS_GET_BLUE_CHANNEL = 0x08,
MIPI_DCS_GET_DISPLAY_STATUS = 0x09,
MIPI_DCS_GET_POWER_MODE = 0x0A,
MIPI_DCS_GET_ADDRESS_MODE = 0x0B,
MIPI_DCS_GET_PIXEL_FORMAT = 0x0C,
MIPI_DCS_GET_DISPLAY_MODE = 0x0D,
MIPI_DCS_GET_SIGNAL_MODE = 0x0E,
MIPI_DCS_GET_DIAGNOSTIC_RESULT = 0x0F,
MIPI_DCS_ENTER_SLEEP_MODE = 0x10,
MIPI_DCS_EXIT_SLEEP_MODE = 0x11,
MIPI_DCS_ENTER_PARTIAL_MODE = 0x12,
MIPI_DCS_ENTER_NORMAL_MODE = 0x13,
MIPI_DCS_EXIT_INVERT_MODE = 0x20,
MIPI_DCS_ENTER_INVERT_MODE = 0x21,
MIPI_DCS_SET_GAMMA_CURVE = 0x26,
MIPI_DCS_SET_DISPLAY_OFF = 0x28,
MIPI_DCS_SET_DISPLAY_ON = 0x29,
MIPI_DCS_SET_COLUMN_ADDRESS = 0x2A,
MIPI_DCS_SET_PAGE_ADDRESS = 0x2B,
MIPI_DCS_WRITE_MEMORY_START = 0x2C,
MIPI_DCS_WRITE_LUT = 0x2D,
MIPI_DCS_READ_MEMORY_START = 0x2E,
MIPI_DCS_SET_PARTIAL_AREA = 0x30,
MIPI_DCS_SET_SCROLL_AREA = 0x33,
MIPI_DCS_SET_TEAR_OFF = 0x34,
MIPI_DCS_SET_TEAR_ON = 0x35,
MIPI_DCS_SET_ADDRESS_MODE = 0x36,
MIPI_DCS_SET_SCROLL_START = 0x37,
MIPI_DCS_EXIT_IDLE_MODE = 0x38,
MIPI_DCS_ENTER_IDLE_MODE = 0x39,
MIPI_DCS_SET_PIXEL_FORMAT = 0x3A,
MIPI_DCS_WRITE_MEMORY_CONTINUE = 0x3C,
MIPI_DCS_READ_MEMORY_CONTINUE = 0x3E,
MIPI_DCS_SET_TEAR_SCANLINE = 0x44,
MIPI_DCS_GET_SCANLINE = 0x45,
MIPI_DCS_READ_DDB_START = 0xA1,
MIPI_DCS_READ_DDB_CONTINUE = 0xA8,
};
/* MIPI DCS pixel formats */
#define MIPI_DCS_PIXEL_FMT_24BIT 7
#define MIPI_DCS_PIXEL_FMT_18BIT 6
#define MIPI_DCS_PIXEL_FMT_16BIT 5
#define MIPI_DCS_PIXEL_FMT_12BIT 3
#define MIPI_DCS_PIXEL_FMT_8BIT 2
#define MIPI_DCS_PIXEL_FMT_3BIT 1
#endif

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/*
* This file is part of the coreboot project.
*
* Copyright 2014 Google Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*
* MIPI DSI Bus
*
* Copyright (C) 2012-2013, Samsung Electronics, Co., Ltd.
* Andrzej Hajda <a.hajda@samsung.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __MIPI_DSI_H__
#define __MIPI_DSI_H__
struct mipi_dsi_host;
struct mipi_dsi_device;
/* request ACK from peripheral */
#define MIPI_DSI_MSG_REQ_ACK BIT(0)
/* use Low Power Mode to transmit message */
#define MIPI_DSI_MSG_USE_LPM BIT(1)
/**
* struct mipi_dsi_msg - read/write DSI buffer
* @channel: virtual channel id
* @type: payload data type
* @flags: flags controlling this message transmission
* @tx_len: length of @tx_buf
* @tx_buf: data to be written
* @rx_len: length of @rx_buf
* @rx_buf: data to be read, or NULL
*/
struct mipi_dsi_msg {
u8 channel;
u8 type;
u16 flags;
size_t tx_len;
const void *tx_buf;
size_t rx_len;
void *rx_buf;
};
/**
* struct mipi_dsi_host_ops - DSI bus operations
* @attach: attach DSI device to DSI host
* @detach: detach DSI device from DSI host
* @transfer: transmit a DSI packet
*
* DSI packets transmitted by .transfer() are passed in as mipi_dsi_msg
* structures. This structure contains information about the type of packet
* being transmitted as well as the transmit and receive buffers. When an
* error is encountered during transmission, this function will return a
* negative error code. On success it shall return the number of bytes
* transmitted for write packets or the number of bytes received for read
* packets.
*
* Note that typically DSI packet transmission is atomic, so the .transfer()
* function will seldomly return anything other than the number of bytes
* contained in the transmit buffer on success.
*/
struct mipi_dsi_host_ops {
int (*attach)(struct mipi_dsi_host *host,
struct mipi_dsi_device *dsi);
int (*detach)(struct mipi_dsi_host *host,
struct mipi_dsi_device *dsi);
ssize_t (*transfer)(struct mipi_dsi_host *host,
const struct mipi_dsi_msg *msg);
};
/**
* struct mipi_dsi_host - DSI host device
* @dev: driver model device node for this DSI host
* @ops: DSI host operations
*/
struct mipi_dsi_host {
//struct device *dev;
void *dev;
const struct mipi_dsi_host_ops *ops;
};
int mipi_dsi_host_register(struct mipi_dsi_host *host);
/* DSI mode flags */
/* video mode */
#define MIPI_DSI_MODE_VIDEO BIT(0)
/* video burst mode */
#define MIPI_DSI_MODE_VIDEO_BURST BIT(1)
/* video pulse mode */
#define MIPI_DSI_MODE_VIDEO_SYNC_PULSE BIT(2)
/* enable auto vertical count mode */
#define MIPI_DSI_MODE_VIDEO_AUTO_VERT BIT(3)
/* enable hsync-end packets in vsync-pulse and v-porch area */
#define MIPI_DSI_MODE_VIDEO_HSE BIT(4)
/* disable hfront-porch area */
#define MIPI_DSI_MODE_VIDEO_HFP BIT(5)
/* disable hback-porch area */
#define MIPI_DSI_MODE_VIDEO_HBP BIT(6)
/* disable hsync-active area */
#define MIPI_DSI_MODE_VIDEO_HSA BIT(7)
/* flush display FIFO on vsync pulse */
#define MIPI_DSI_MODE_VSYNC_FLUSH BIT(8)
/* disable EoT packets in HS mode */
#define MIPI_DSI_MODE_EOT_PACKET BIT(9)
/* device supports non-continuous clock behavior (DSI spec 5.6.1) */
#define MIPI_DSI_CLOCK_NON_CONTINUOUS BIT(10)
enum mipi_dsi_pixel_format {
MIPI_DSI_FMT_RGB888,
MIPI_DSI_FMT_RGB666,
MIPI_DSI_FMT_RGB666_PACKED,
MIPI_DSI_FMT_RGB565,
};
struct mipi_dsi_master_ops {
int (*enslave)(struct mipi_dsi_device *master,
struct mipi_dsi_device *slave);
int (*liberate)(struct mipi_dsi_device *master,
struct mipi_dsi_device *slave);
};
/**
* struct mipi_dsi_device - DSI peripheral device
* @host: DSI host for this peripheral
* @dev: driver model device node for this peripheral
* @channel: virtual channel assigned to the peripheral
* @format: pixel format for video mode
* @lanes: number of active data lanes
* @mode_flags: DSI operation mode related flags
* @ops: callbacks for master/slave setup
* @master: master interface for dual-channel peripherals
* @slave: slave interface for dual-channel peripherals
*
* For dual-channel interfaces, the master interface can be identified by the
* fact that it's .slave field is set to non-NULL. The slave interface will
* have the .master field set to non-NULL.
*/
struct mipi_dsi_device {
struct mipi_dsi_host *host;
unsigned int channel;
unsigned int lanes;
enum mipi_dsi_pixel_format format;
unsigned long mode_flags;
const struct mipi_dsi_master_ops *ops;
struct mipi_dsi_device *master;
struct mipi_dsi_device *slave;
};
int mipi_dsi_attach(struct mipi_dsi_device *dsi);
int mipi_dsi_detach(struct mipi_dsi_device *dsi);
int mipi_dsi_enslave(struct mipi_dsi_device *master,
struct mipi_dsi_device *slave);
int mipi_dsi_liberate(struct mipi_dsi_device *master,
struct mipi_dsi_device *slave);
/**
* enum mipi_dsi_dcs_tear_mode - Tearing Effect Output Line mode
* @MIPI_DSI_DCS_TEAR_MODE_VBLANK: the TE output line consists of V-Blanking
* information only
* @MIPI_DSI_DCS_TEAR_MODE_VHBLANK : the TE output line consists of both
* V-Blanking and H-Blanking information
*/
enum mipi_dsi_dcs_tear_mode {
MIPI_DSI_DCS_TEAR_MODE_VBLANK,
MIPI_DSI_DCS_TEAR_MODE_VHBLANK,
};
#define MIPI_DSI_DCS_POWER_MODE_DISPLAY (1 << 2)
#define MIPI_DSI_DCS_POWER_MODE_NORMAL (1 << 3)
#define MIPI_DSI_DCS_POWER_MODE_SLEEP (1 << 4)
#define MIPI_DSI_DCS_POWER_MODE_PARTIAL (1 << 5)
#define MIPI_DSI_DCS_POWER_MODE_IDLE (1 << 6)
ssize_t mipi_dsi_dcs_write(struct mipi_dsi_device *dsi, u8 cmd,
const void *data, size_t len);
int mipi_dsi_dcs_exit_sleep_mode(struct mipi_dsi_device *dsi);
int mipi_dsi_dcs_set_display_on(struct mipi_dsi_device *dsi);
int mipi_dsi_dcs_set_column_address(struct mipi_dsi_device *dsi, u16 start,
u16 end);
int mipi_dsi_dcs_set_page_address(struct mipi_dsi_device *dsi, u16 start,
u16 end);
int mipi_dsi_dcs_set_address_mode(struct mipi_dsi_device *dsi,
bool reverse_page_address,
bool reverse_col_address,
bool reverse_page_col_address,
bool refresh_from_bottom,
bool reverse_rgb,
bool latch_right_to_left,
bool flip_horizontal,
bool flip_vertical);
int mipi_dsi_dcs_set_tear_on(struct mipi_dsi_device *dsi,
enum mipi_dsi_dcs_tear_mode mode);
int mipi_dsi_dcs_set_pixel_format(struct mipi_dsi_device *dsi, u8 format);
#define MIPI_CAL_CTRL 0x00
#define MIPI_CAL_CTRL_START (1 << 0)
#define MIPI_CAL_AUTOCAL_CTRL 0x01
#define MIPI_CAL_STATUS 0x02
#define MIPI_CAL_STATUS_DONE (1 << 16)
#define MIPI_CAL_STATUS_ACTIVE (1 << 0)
#define MIPI_CAL_CONFIG_CSIA 0x05
#define MIPI_CAL_CONFIG_CSIB 0x06
#define MIPI_CAL_CONFIG_CSIC 0x07
#define MIPI_CAL_CONFIG_CSID 0x08
#define MIPI_CAL_CONFIG_CSIE 0x09
#define MIPI_CAL_CONFIG_DSIA 0x0e
#define MIPI_CAL_CONFIG_DSIB 0x0f
#define MIPI_CAL_CONFIG_DSIC 0x10
#define MIPI_CAL_CONFIG_DSID 0x11
#define MIPI_CAL_CONFIG_DSIAB_CLK 0x19
#define MIPI_CAL_CONFIG_DSICD_CLK 0x1a
#define MIPI_CAL_CONFIG_CSIAB_CLK 0x1b
#define MIPI_CAL_CONFIG_CSICD_CLK 0x1c
#define MIPI_CAL_CONFIG_CSIE_CLK 0x1d
#define MIPI_CAL_CONFIG_SELECT (1 << 21)
#define MIPI_CAL_CONFIG_HSPDOS(x) (((x) & 0x1f) << 16)
#define MIPI_CAL_CONFIG_HSPUOS(x) (((x) & 0x1f) << 8)
#define MIPI_CAL_CONFIG_TERMOS(x) (((x) & 0x1f) << 0)
#define MIPI_CAL_CONFIG_HSCLKPDOSD(x) (((x) & 0x1f) << 8)
#define MIPI_CAL_CONFIG_HSCLKPUOSD(x) (((x) & 0x1f) << 0)
#define MIPI_CAL_BIAS_PAD_CFG0 0x16
#define MIPI_CAL_BIAS_PAD_PDVCLAMP (1 << 1)
#define MIPI_CAL_BIAS_PAD_E_VCLAMP_REF (1 << 0)
#define MIPI_CAL_BIAS_PAD_CFG1 0x17
#define MIPI_CAL_BIAS_PAD_CFG1_DEFAULT (0x20000)
#define MIPI_CAL_BIAS_PAD_CFG2 0x18
#define MIPI_CAL_BIAS_PAD_PDVREG (1 << 1)
struct calibration_regs {
unsigned long data;
unsigned long clk;
};
struct tegra_mipi_config {
int calibrate_clk_lane;
int num_pads;
const struct calibration_regs *regs;
};
struct tegra_mipi {
void *regs;
};
struct tegra_mipi_device {
struct tegra_mipi *mipi;
const struct tegra_mipi_config *config;
unsigned long pads;
};
struct tegra_mipi_device *tegra_mipi_request(struct tegra_mipi_device *device,
int device_index);
int tegra_mipi_calibrate(struct tegra_mipi_device *device);
#endif /* __MIPI_DSI_H__ */

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/*
* This file is part of the coreboot project.
*
* Copyright 2014 Google Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef __TEGRA_DSI_H__
#define __TEGRA_DSI_H__
#define DSI_INCR_SYNCPT 0x00
#define DSI_INCR_SYNCPT_CONTROL 0x01
#define DSI_INCR_SYNCPT_ERROR 0x02
#define DSI_CTXSW 0x08
#define DSI_RD_DATA 0x09
#define DSI_WR_DATA 0x0a
#define DSI_POWER_CONTROL 0x0b
#define DSI_POWER_CONTROL_ENABLE (1 << 0)
#define DSI_INT_ENABLE 0x0c
#define DSI_INT_STATUS 0x0d
#define DSI_INT_MASK 0x0e
#define DSI_HOST_CONTROL 0x0f
#define DSI_HOST_CONTROL_FIFO_RESET (1 << 21)
#define DSI_HOST_CONTROL_CRC_RESET (1 << 20)
#define DSI_HOST_CONTROL_TX_TRIG_SOL (0 << 12)
#define DSI_HOST_CONTROL_TX_TRIG_FIFO (1 << 12)
#define DSI_HOST_CONTROL_TX_TRIG_HOST (2 << 12)
#define DSI_HOST_CONTROL_RAW (1 << 6)
#define DSI_HOST_CONTROL_HS (1 << 5)
#define DSI_HOST_CONTROL_FIFO_SEL (1 << 4)
#define DSI_HOST_CONTROL_IMM_BTA (1 << 3)
#define DSI_HOST_CONTROL_PKT_BTA (1 << 2)
#define DSI_HOST_CONTROL_CS (1 << 1)
#define DSI_HOST_CONTROL_ECC (1 << 0)
#define DSI_CONTROL 0x10
#define DSI_CONTROL_HS_CLK_CTRL (1 << 20)
#define DSI_CONTROL_CHANNEL(c) (((c) & 0x3) << 16)
#define DSI_CONTROL_FORMAT(f) (((f) & 0x3) << 12)
#define DSI_CONTROL_TX_TRIG(x) (((x) & 0x3) << 8)
#define DSI_CONTROL_LANES(n) (((n) & 0x3) << 4)
#define DSI_CONTROL_DCS_ENABLE (1 << 3)
#define DSI_CONTROL_SOURCE(s) (((s) & 0x1) << 2)
#define DSI_CONTROL_VIDEO_ENABLE (1 << 1)
#define DSI_CONTROL_HOST_ENABLE (1 << 0)
#define DSI_SOL_DELAY 0x11
#define DSI_MAX_THRESHOLD 0x12
#define DSI_TRIGGER 0x13
#define DSI_TRIGGER_HOST (1 << 1)
#define DSI_TRIGGER_VIDEO (1 << 0)
#define DSI_TX_CRC 0x14
#define DSI_STATUS 0x15
#define DSI_STATUS_IDLE (1 << 10)
#define DSI_STATUS_UNDERFLOW (1 << 9)
#define DSI_STATUS_OVERFLOW (1 << 8)
#define DSI_INIT_SEQ_CONTROL 0x1a
#define DSI_INIT_SEQ_DATA_0 0x1b
#define DSI_INIT_SEQ_DATA_1 0x1c
#define DSI_INIT_SEQ_DATA_2 0x1d
#define DSI_INIT_SEQ_DATA_3 0x1e
#define DSI_INIT_SEQ_DATA_4 0x1f
#define DSI_INIT_SEQ_DATA_5 0x20
#define DSI_INIT_SEQ_DATA_6 0x21
#define DSI_INIT_SEQ_DATA_7 0x22
#define DSI_PKT_SEQ_0_LO 0x23
#define DSI_PKT_SEQ_0_HI 0x24
#define DSI_PKT_SEQ_1_LO 0x25
#define DSI_PKT_SEQ_1_HI 0x26
#define DSI_PKT_SEQ_2_LO 0x27
#define DSI_PKT_SEQ_2_HI 0x28
#define DSI_PKT_SEQ_3_LO 0x29
#define DSI_PKT_SEQ_3_HI 0x2a
#define DSI_PKT_SEQ_4_LO 0x2b
#define DSI_PKT_SEQ_4_HI 0x2c
#define DSI_PKT_SEQ_5_LO 0x2d
#define DSI_PKT_SEQ_5_HI 0x2e
#define DSI_DCS_CMDS 0x33
#define DSI_PKT_LEN_0_1 0x34
#define DSI_PKT_LEN_2_3 0x35
#define DSI_PKT_LEN_4_5 0x36
#define DSI_PKT_LEN_6_7 0x37
#define DSI_PHY_TIMING_0 0x3c
#define DSI_PHY_TIMING_1 0x3d
#define DSI_PHY_TIMING_2 0x3e
#define DSI_BTA_TIMING 0x3f
#define DSI_TIMING_FIELD(value, period, hwinc) \
((DIV_ROUND_CLOSEST(value, period) - (hwinc)) & 0xff)
#define DSI_TIMEOUT_0 0x44
#define DSI_TIMEOUT_LRX(x) (((x) & 0xffff) << 16)
#define DSI_TIMEOUT_HTX(x) (((x) & 0xffff) << 0)
#define DSI_TIMEOUT_1 0x45
#define DSI_TIMEOUT_PR(x) (((x) & 0xffff) << 16)
#define DSI_TIMEOUT_TA(x) (((x) & 0xffff) << 0)
#define DSI_TO_TALLY 0x46
#define DSI_TALLY_TA(x) (((x) & 0xff) << 16)
#define DSI_TALLY_LRX(x) (((x) & 0xff) << 8)
#define DSI_TALLY_HTX(x) (((x) & 0xff) << 0)
#define DSI_PAD_CONTROL_0 0x4b
#define DSI_PAD_CONTROL_VS1_PDIO(x) (((x) & 0xf) << 0)
#define DSI_PAD_CONTROL_VS1_PDIO_CLK (1 << 8)
#define DSI_PAD_CONTROL_VS1_PULLDN(x) (((x) & 0xf) << 16)
#define DSI_PAD_CONTROL_VS1_PULLDN_CLK (1 << 24)
#define DSI_PAD_CONTROL_CD 0x4c
#define DSI_PAD_CD_STATUS 0x4d
#define DSI_VIDEO_MODE_CONTROL 0x4e
#define DSI_PAD_CONTROL_1 0x4f
#define DSI_PAD_CONTROL_2 0x50
#define DSI_PAD_OUT_CLK(x) (((x) & 0x7) << 0)
#define DSI_PAD_LP_DN(x) (((x) & 0x7) << 4)
#define DSI_PAD_LP_UP(x) (((x) & 0x7) << 8)
#define DSI_PAD_SLEW_DN(x) (((x) & 0x7) << 12)
#define DSI_PAD_SLEW_UP(x) (((x) & 0x7) << 16)
#define DSI_PAD_CONTROL_3 0x51
#define DSI_PAD_CONTROL_4 0x52
#define DSI_GANGED_MODE_CONTROL 0x53
#define DSI_GANGED_MODE_CONTROL_ENABLE (1 << 0)
#define DSI_GANGED_MODE_START 0x54
#define DSI_GANGED_MODE_SIZE 0x55
#define DSI_RAW_DATA_BYTE_COUNT 0x56
#define DSI_ULTRA_LOW_POWER_CONTROL 0x57
#define DSI_INIT_SEQ_DATA_8 0x58
#define DSI_INIT_SEQ_DATA_9 0x59
#define DSI_INIT_SEQ_DATA_10 0x5a
#define DSI_INIT_SEQ_DATA_11 0x5b
#define DSI_INIT_SEQ_DATA_12 0x5c
#define DSI_INIT_SEQ_DATA_13 0x5d
#define DSI_INIT_SEQ_DATA_14 0x5e
#define DSI_INIT_SEQ_DATA_15 0x5f
#define PKT_ID0(id) ((((id) & 0x3f) << 3) | (1 << 9))
#define PKT_LEN0(len) (((len) & 0x07) << 0)
#define PKT_ID1(id) ((((id) & 0x3f) << 13) | (1 << 19))
#define PKT_LEN1(len) (((len) & 0x07) << 10)
#define PKT_ID2(id) ((((id) & 0x3f) << 23) | (1 << 29))
#define PKT_LEN2(len) (((len) & 0x07) << 20)
#define PKT_LP (1 << 30)
#define NUM_PKT_SEQ 12
#define APB_MISC_GP_MIPI_PAD_CTRL_0 (TEGRA_APB_MISC_GP_BASE + 0x20)
#define DSIB_MODE_SHIFT 1
#define DSIB_MODE_CSI (0 << DSIB_MODE_SHIFT)
#define DSIB_MODE_DSI (1 << DSIB_MODE_SHIFT)
/*
* pixel format as used in the DSI_CONTROL_FORMAT field
*/
enum tegra_dsi_format {
TEGRA_DSI_FORMAT_16P,
TEGRA_DSI_FORMAT_18NP,
TEGRA_DSI_FORMAT_18P,
TEGRA_DSI_FORMAT_24P,
};
enum dsi_dev {
DSI_A = 0,
DSI_B,
NUM_DSI,
};
struct panel_jdi;
struct tegra_mipi_device;
struct mipi_dsi_host;
struct mipi_dsi_msg;
#define MAX_DSI_VIDEO_FIFO_DEPTH 96
#define MAX_DSI_HOST_FIFO_DEPTH 64
struct tegra_dsi {
struct panel_jdi *panel;
//struct tegra_output output;
void *regs;
u8 channel;
unsigned long clk_rate;
unsigned long flags;
enum mipi_dsi_pixel_format format;
unsigned int lanes;
struct tegra_mipi_device *mipi;
struct mipi_dsi_host host;
bool enabled;
unsigned int video_fifo_depth;
unsigned int host_fifo_depth;
/* for ganged-mode support */
unsigned int ganged_lanes;
struct tegra_dsi *slave;
int ganged_mode;
struct tegra_dsi *master;
};
static inline unsigned long tegra_dsi_readl(struct tegra_dsi *dsi,
unsigned long reg)
{
return readl(dsi->regs + (reg << 2));
}
static inline void tegra_dsi_writel(struct tegra_dsi *dsi, unsigned long value,
unsigned long reg)
{
writel(value, dsi->regs + (reg << 2));
}
#endif /* __TEGRA_DSI_H__ */

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/*
* This file is part of the coreboot project.
*
* Copyright 2014 Google Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <console/console.h>
#include <arch/io.h>
#include <stdint.h>
#include <lib.h>
#include <stdlib.h>
#include <delay.h>
#include <soc/addressmap.h>
#include <soc/clock.h>
#include <device/device.h>
#include <soc/nvidia/tegra/types.h>
#include "../chip.h"
#include <soc/display.h>
#include <soc/mipi_dsi.h>
#include <soc/tegra_dsi.h>
#include "panel-jdi-lpm102a188a.h"
struct panel_jdi jdi_data[NUM_DSI];
int panel_jdi_prepare(struct panel_jdi *jdi)
{
int ret;
u8 data;
if (jdi->enabled)
return 0;
ret = mipi_dsi_dcs_set_column_address(jdi->dsi, 0,
jdi->mode->xres / 2 - 1); // 2560/2
if (ret < 0)
printk(BIOS_ERR, "failed to set column address: %d\n", ret);
ret = mipi_dsi_dcs_set_column_address(jdi->dsi->slave, 0,
jdi->mode->xres / 2 - 1);
if (ret < 0)
printk(BIOS_ERR, "failed to set column address: %d\n", ret);
ret = mipi_dsi_dcs_set_page_address(jdi->dsi, 0,
jdi->mode->yres - 1);
if (ret < 0)
printk(BIOS_ERR, "failed to set page address: %d\n", ret);
ret = mipi_dsi_dcs_set_page_address(jdi->dsi->slave, 0,
jdi->mode->yres - 1);
if (ret < 0)
printk(BIOS_ERR, "failed to set page address: %d\n", ret);
ret = mipi_dsi_dcs_exit_sleep_mode(jdi->dsi);
if (ret < 0)
printk(BIOS_ERR, "failed to exit sleep mode: %d\n", ret);
ret = mipi_dsi_dcs_exit_sleep_mode(jdi->dsi->slave);
if (ret < 0)
printk(BIOS_ERR, "failed to exit sleep mode: %d\n", ret);
ret = mipi_dsi_dcs_set_tear_on(jdi->dsi, MIPI_DSI_DCS_TEAR_MODE_VBLANK);
if (ret < 0)
printk(BIOS_ERR, "failed to set tear on: %d\n", ret);
ret = mipi_dsi_dcs_set_tear_on(jdi->dsi->slave,
MIPI_DSI_DCS_TEAR_MODE_VBLANK);
if (ret < 0)
printk(BIOS_ERR, "failed to set tear on: %d\n", ret);
ret = mipi_dsi_dcs_set_address_mode(jdi->dsi, false, false, false,
false, false, false, false, false);
if (ret < 0)
printk(BIOS_ERR, "failed to set address mode: %d\n", ret);
ret = mipi_dsi_dcs_set_address_mode(jdi->dsi->slave, false, false,
false, false, false, false, false, false);
if (ret < 0)
printk(BIOS_ERR, "failed to set address mode: %d\n", ret);
ret = mipi_dsi_dcs_set_pixel_format(jdi->dsi, 0x77);
if (ret < 0)
printk(BIOS_ERR, "failed to set pixel format: %d\n", ret);
ret = mipi_dsi_dcs_set_pixel_format(jdi->dsi->slave, 0x77);
if (ret < 0)
printk(BIOS_ERR, "failed to set pixel format: %d\n", ret);
data = 0xFF;
ret = mipi_dsi_dcs_write(jdi->dsi, 0x51, &data, 1);
if (ret < 0)
printk(BIOS_ERR, "failed to set 0x51: %d\n", ret);
data = 0xFF;
ret = mipi_dsi_dcs_write(jdi->dsi->slave, 0x51, &data, 1);
if (ret < 0)
printk(BIOS_ERR, "failed to set 0x51: %d\n", ret);
data = 0x24;
ret = mipi_dsi_dcs_write(jdi->dsi, 0x53, &data, 1);
if (ret < 0)
printk(BIOS_ERR, "failed to set 0x53: %d\n", ret);
data = 0x24;
ret = mipi_dsi_dcs_write(jdi->dsi->slave, 0x53, &data, 1);
if (ret < 0)
printk(BIOS_ERR, "failed to set 0x53: %d\n", ret);
data = 0x00;
ret = mipi_dsi_dcs_write(jdi->dsi, 0x55, &data, 1);
if (ret < 0)
printk(BIOS_ERR, "failed to set 0x55: %d\n", ret);
data = 0x00;
ret = mipi_dsi_dcs_write(jdi->dsi->slave, 0x55, &data, 1);
if (ret < 0)
printk(BIOS_ERR, "failed to set 0x55: %d\n", ret);
ret = mipi_dsi_dcs_set_display_on(jdi->dsi);
if (ret < 0)
printk(BIOS_ERR, "failed to set display on: %d\n", ret);
ret = mipi_dsi_dcs_set_display_on(jdi->dsi->slave);
if (ret < 0)
printk(BIOS_ERR, "failed to set display on: %d\n", ret);
jdi->enabled = true;
return 0;
}
static int panel_jdi_enslave(struct mipi_dsi_device *master,
struct mipi_dsi_device *slave)
{
int ret;
ret = mipi_dsi_attach(master);
if (ret < 0)
return ret;
return ret;
}
static int panel_jdi_liberate(struct mipi_dsi_device *master,
struct mipi_dsi_device *slave)
{
int ret;
ret = mipi_dsi_detach(master);
if (ret < 0)
return ret;
return 0;
}
static const struct mipi_dsi_master_ops panel_jdi_master_ops = {
.enslave = panel_jdi_enslave,
.liberate = panel_jdi_liberate,
};
struct panel_jdi *panel_jdi_dsi_probe(struct mipi_dsi_device *dsi)
{
static int index = 0;
struct panel_jdi *jdi;
int ret;
if (index >= NUM_DSI)
return (void *)-EPTR;
jdi = &jdi_data[index++];
jdi->dsi = dsi;
dsi->lanes = 4;
dsi->format = MIPI_DSI_FMT_RGB888;
dsi->mode_flags = 0;
if (dsi->master) {
ret = mipi_dsi_attach(dsi);
if (ret < 0) {
printk(BIOS_ERR, "mipi_dsi_attach() failed: %d\n", ret);
return (void *)-EPTR;
}
ret = mipi_dsi_enslave(dsi->master, dsi);
if (ret < 0) {
printk(BIOS_ERR, "mipi_dsi_enslave() failed: %d\n",
ret);
return (void *)-EPTR;
}
return jdi;
}
dsi->ops = &panel_jdi_master_ops;
jdi->enabled = 0;
jdi->width_mm = 211;
jdi->height_mm = 148;
return jdi;
}

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/*
* This file is part of the coreboot project.
*
* Copyright 2014 Google Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _PANEL_JDI_LPM102A188A_H_
#define _PANEL_JDI_LPM102A188A_H_
#define LP8557_MAX_BRIGHTNESS 0xFFF;
#define LP8557_COMMAND 0x00
#define LP8557_COMMAND_ON (1 << 0)
#define LP8557_BRIGHTNESS_LOW 0x03
#define LP8557_BRIGHTNESS_LOW_MASK(x) (((x) & 0xF) << 4)
#define LP8557_BRIGHTNESS_HIGH 0x04
#define LP8557_BRIGHTNESS_HIGH_MASK(x) (((x) & 0xFF0) >> 4)
enum lp8557_config_brightness_mode {
LP8557_CONFIG_BRTMODE_PWM = 0x0,
LP8557_CONFIG_BRTMODE_REG,
LP8557_CONFIG_BRTMODE_PWM_REG_SHAPE_PWM,
LP8557_CONFIG_BRTMODE_PWM_REG_SHAPE_BRIGHTNESS,
LP8557_CONFIG_BRTMODE_MAX,
};
#define LP8557_CONFIG 0x10
#define LP8557_CONFIG_BRTMODE(x) (((x) & 0x3) << 0)
#define LP8557_CONFIG_AUTO_DETECT_LED (1 << 2)
#define LP8557_CONFIG_PWM_STANDBY (1 << 7)
enum lp8557_current {
LP8557_CURRENT_5_MA = 0x0,
LP8557_CURRENT_10_MA,
LP8557_CURRENT_13_MA,
LP8557_CURRENT_15_MA,
LP8557_CURRENT_18_MA,
LP8557_CURRENT_20_MA,
LP8557_CURRENT_23_MA,
LP8557_CURRENT_25_MA,
LP8557_CURRENT_MAX,
};
#define LP8557_CURRENT 0x11
#define LP8557_CURRENT_MAXCURR(x) (((x) & 0x7) << 0)
#define LP8557_CURRENT_ISET (1 << 7)
enum lp8557_pgen_frequency {
LP8557_PGEN_FREQ_4_9_KHZ = 0x0,
LP8557_PGEN_FREQ_9_8_KHZ,
LP8557_PGEN_FREQ_14_6_KHZ,
LP8557_PGEN_FREQ_19_5_KHZ,
LP8557_PGEN_FREQ_24_4_KHZ,
LP8557_PGEN_FREQ_29_3_KHZ,
LP8557_PGEN_FREQ_34_2_KHZ,
LP8557_PGEN_FREQ_39_1_KHZ,
LP8557_PGEN_FREQ_MAX,
};
#define LP8557_PGEN 0x12
#define LP8557_PGEN_FREQ(x) (((x) & 0x7) << 0)
#define LP8557_PGEN_MAGIC (5 << 3)
#define LP8557_PGEN_FSET (1 << 7)
enum lp8557_boost_freq {
LP8557_BOOST_FREQ_500_KHZ = 0x0,
LP8557_BOOST_FREQ_1_MHZ,
LP8557_BOOST_FREQ_MAX,
};
enum lp8557_boost_bcomp {
LP8557_BOOST_BCOMP_OPTION_0 = 0x0,
LP8557_BOOST_BCOMP_OPTION_1,
LP8557_BOOST_BCOMP_MAX,
};
#define LP8557_BOOST 0x13
#define LP8557_BOOST_FREQ(x) (((x) & 0x1) << 0)
#define LP8557_BOOST_BCOMP(x) (((x) & 0x1) << 1)
#define LP8557_BOOST_BCSET (1 << 6)
#define LP8557_BOOST_BFSET (1 << 7)
#define LP8557_LED_ENABLE 0x14
#define LP8557_LED_ENABLE_SINKS(x) (((x) & 0x3F) << 0)
#define LP8557_LED_ENABLE_MAGIC (2 << 6)
enum lp8557_step_ramp {
LP8557_STEP_RAMP_0_MS = 0x0,
LP8557_STEP_RAMP_50_MS,
LP8557_STEP_RAMP_100_MS,
LP8557_STEP_RAMP_200_MS,
LP8557_STEP_RAMP_MAX,
};
enum lp8557_step_smoothing {
LP8557_STEP_SMOOTHING_NONE = 0x0,
LP8557_STEP_SMOOTHING_LIGHT,
LP8557_STEP_SMOOTHING_MEDIUM,
LP8557_STEP_SMOOTHING_HEAVY,
LP8557_STEP_SMOOTHING_MAX,
};
#define LP8557_STEP 0x15
#define LP8557_STEP_RAMP(x) (((x) & 0x3) << 0)
#define LP8557_STEP_SMOOTHING(x) (((x) & 0x3) << 6)
struct mipi_dsi_device;
struct soc_nvidia_tegra132_config;
struct panel_jdi {
struct mipi_dsi_device *dsi;
const struct soc_nvidia_tegra132_config *mode;
/* Physical size */
unsigned int width_mm;
unsigned int height_mm;
int enabled;
};
struct panel_jdi *panel_jdi_dsi_probe(struct mipi_dsi_device *dsi);
int panel_jdi_prepare(struct panel_jdi *jdi);
#endif

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/*
* This file is part of the coreboot project.
*
* Copyright 2014 Google Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <console/console.h>
#include <arch/io.h>
#include <stdint.h>
#include <lib.h>
#include <stdlib.h>
#include <soc/addressmap.h>
#include <soc/clock.h>
#include <device/device.h>
#include <soc/nvidia/tegra/types.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>
int mipi_dphy_set_timing(struct tegra_dsi *dsi)
{
u32 freq = (dsi->clk_rate * 2) / 1000000;
u32 thsdexit = (DSI_PHY_TIMING_DIV(120, (freq)));
u32 thstrial = (((3) + (DSI_PHY_TIMING_DIV((DSI_THSTRAIL_VAL(freq)),
freq))));
u32 tdatzero = DSI_PHY_TIMING_DIV(((145) + (5 * (DSI_TBIT(freq)))),
(freq));
u32 thsprepare = DSI_PHY_TIMING_DIV((65 + (5*(DSI_TBIT(freq)))), freq);
u32 tclktrial = (DSI_PHY_TIMING_DIV(80, freq));
u32 tclkpost = ((DSI_PHY_TIMING_DIV(((70) + ((52) * (DSI_TBIT(freq)))),
freq)));
u32 tclkzero = (DSI_PHY_TIMING_DIV(260, freq));
u32 ttlpx = (DSI_PHY_TIMING_DIV(60, freq)) ;
u32 tclkprepare = (DSI_PHY_TIMING_DIV(60, freq));
u32 tclkpre = 1; //min = 8*UI per mipi spec, tclk_pre=0 should be ok, but using 1 value
u32 twakeup = 0x7F; //min = 1ms
u32 ttaget;
u32 ttassure;
u32 ttago;
u32 value;
if (!ttlpx) {
ttaget = 5;
ttassure = 2;
ttago = 4;
} else {
ttaget = 5 * ttlpx;
ttassure = 2 * ttlpx;
ttago = 4 * ttlpx;
}
value = (thsdexit << 24) |
(thstrial << 16) |
(tdatzero << 8) |
(thsprepare << 0);
tegra_dsi_writel(dsi, value, DSI_PHY_TIMING_0);
value = (tclktrial << 24) |
(tclkpost << 16) |
(tclkzero << 8) |
(ttlpx << 0);
tegra_dsi_writel(dsi, value, DSI_PHY_TIMING_1);
value = (tclkprepare << 16) |
(tclkpre << 8) |
(twakeup << 0);
tegra_dsi_writel(dsi, value, DSI_PHY_TIMING_2);
value = (ttaget << 16) |
(ttassure << 8) |
(ttago << 0),
tegra_dsi_writel(dsi, value, DSI_BTA_TIMING);
return 0;
}

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/*
* This file is part of the coreboot project.
*
* Copyright 2014 Google Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <console/console.h>
#include <arch/io.h>
#include <stdint.h>
#include <lib.h>
#include <stdlib.h>
#include <delay.h>
#include <soc/addressmap.h>
#include <soc/clock.h>
#include <device/device.h>
#include <soc/nvidia/tegra/types.h>
#include <soc/display.h>
#include <soc/mipi_dsi.h>
#include <soc/tegra_dsi.h>
#include "jdi_25x18_display/panel-jdi-lpm102a188a.h"
static unsigned long dsi_pads[] = {
0x060, /* DSIA & DSIB pads */
0x180, /* DSIC & DSID pads */
};
static struct tegra_mipi mipi_data = {
.regs = (void *)TEGRA_MIPI_CAL_BASE,
};
static inline unsigned long tegra_mipi_readl(struct tegra_mipi *mipi,
unsigned long reg)
{
return readl(mipi->regs + (reg << 2));
}
static inline void tegra_mipi_writel(struct tegra_mipi *mipi,
unsigned long value, unsigned long reg)
{
writel(value, mipi->regs + (reg << 2));
}
static const struct calibration_regs tegra124_mipi_calibration_regs[] = {
{ .data = MIPI_CAL_CONFIG_CSIA, .clk = MIPI_CAL_CONFIG_CSIAB_CLK },
{ .data = MIPI_CAL_CONFIG_CSIB, .clk = MIPI_CAL_CONFIG_CSIAB_CLK },
{ .data = MIPI_CAL_CONFIG_CSIC, .clk = MIPI_CAL_CONFIG_CSICD_CLK },
{ .data = MIPI_CAL_CONFIG_CSID, .clk = MIPI_CAL_CONFIG_CSICD_CLK },
{ .data = MIPI_CAL_CONFIG_CSIE, .clk = MIPI_CAL_CONFIG_CSIE_CLK },
{ .data = MIPI_CAL_CONFIG_DSIA, .clk = MIPI_CAL_CONFIG_DSIAB_CLK },
{ .data = MIPI_CAL_CONFIG_DSIB, .clk = MIPI_CAL_CONFIG_DSIAB_CLK },
};
static const struct tegra_mipi_config tegra124_mipi_config = {
.calibrate_clk_lane = 1,
.regs = tegra124_mipi_calibration_regs,
.num_pads = ARRAY_SIZE(tegra124_mipi_calibration_regs),
};
struct tegra_mipi_device *tegra_mipi_request(struct tegra_mipi_device *device,
int device_index)
{
device->mipi = &mipi_data;
device->config = &tegra124_mipi_config;
device->pads = dsi_pads[device_index];
return device;
}
static int tegra_mipi_wait(struct tegra_mipi *mipi)
{
u32 poll_interval_us = 1000;
u32 timeout_us = 250 * 1000;
unsigned long value;
do {
value = tegra_mipi_readl(mipi, MIPI_CAL_STATUS);
if ((value & MIPI_CAL_STATUS_ACTIVE) == 0 &&
(value & MIPI_CAL_STATUS_DONE) != 0)
return 0;
if (timeout_us > poll_interval_us)
timeout_us -= poll_interval_us;
else
break;
udelay(poll_interval_us);
} while (1);
printk(BIOS_ERR, "%s: ERROR: timeout\n", __func__);
return -ETIMEDOUT;
}
int tegra_mipi_calibrate(struct tegra_mipi_device *device)
{
const struct tegra_mipi_config *cfg = device->config;
unsigned long value, clk_value;
unsigned int i;
int err;
value = tegra_mipi_readl(device->mipi, MIPI_CAL_BIAS_PAD_CFG0);
value &= ~MIPI_CAL_BIAS_PAD_PDVCLAMP;
value |= MIPI_CAL_BIAS_PAD_E_VCLAMP_REF;
tegra_mipi_writel(device->mipi, value, MIPI_CAL_BIAS_PAD_CFG0);
tegra_mipi_writel(device->mipi, MIPI_CAL_BIAS_PAD_CFG1_DEFAULT,
MIPI_CAL_BIAS_PAD_CFG1);
value = tegra_mipi_readl(device->mipi, MIPI_CAL_BIAS_PAD_CFG2);
value &= ~MIPI_CAL_BIAS_PAD_PDVREG;
tegra_mipi_writel(device->mipi, value, MIPI_CAL_BIAS_PAD_CFG2);
for (i = 0; i < cfg->num_pads; i++) {
if (device->pads & BIT(i)) {
value = MIPI_CAL_CONFIG_SELECT |
MIPI_CAL_CONFIG_HSPDOS(0) |
MIPI_CAL_CONFIG_HSPUOS(4) |
MIPI_CAL_CONFIG_TERMOS(5);
clk_value = MIPI_CAL_CONFIG_SELECT |
MIPI_CAL_CONFIG_HSCLKPDOSD(0) |
MIPI_CAL_CONFIG_HSCLKPUOSD(4);
} else {
value = 0;
clk_value = 0;
}
tegra_mipi_writel(device->mipi, value, cfg->regs[i].data);
if (cfg->calibrate_clk_lane)
tegra_mipi_writel(device->mipi, clk_value,
cfg->regs[i].clk);
}
value = tegra_mipi_readl(device->mipi, MIPI_CAL_CTRL);
value |= MIPI_CAL_CTRL_START;
tegra_mipi_writel(device->mipi, value, MIPI_CAL_CTRL);
err = tegra_mipi_wait(device->mipi);
return err;
}

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/*
* This file is part of the coreboot project.
*
* Copyright 2014 Google Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*
* MIPI DSI Bus
*
* Copyright (C) 2012-2013, Samsung Electronics, Co., Ltd.
* Andrzej Hajda <a.hajda@samsung.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <console/console.h>
#include <arch/io.h>
#include <stdint.h>
#include <lib.h>
#include <stdlib.h>
#include <delay.h>
#include <string.h>
#include <soc/addressmap.h>
#include <soc/clock.h>
#include <device/device.h>
#include <soc/nvidia/tegra/types.h>
#include <soc/display.h>
#include <soc/mipi_dsi.h>
#include <soc/mipi_display.h>
#include <soc/tegra_dsi.h>
struct mipi_dsi_device mipi_dsi_device_data[NUM_DSI] = {
{
.master = NULL,
.slave = &mipi_dsi_device_data[DSI_B],
},
{
.master = &mipi_dsi_device_data[DSI_A],
.slave = NULL,
},
};
static struct mipi_dsi_device *
mipi_dsi_device_alloc(struct mipi_dsi_host *host)
{
static int index = 0;
struct mipi_dsi_device *dsi;
if (index >= NUM_DSI)
return (void *)-EPTR;
dsi = &mipi_dsi_device_data[index++];
dsi->host = host;
return dsi;
}
static struct mipi_dsi_device *
of_mipi_dsi_device_add(struct mipi_dsi_host *host)
{
struct mipi_dsi_device *dsi;
u32 reg = 0;
dsi = mipi_dsi_device_alloc(host);
if (IS_ERR_PTR(dsi)) {
printk(BIOS_ERR, "failed to allocate DSI device\n");
return dsi;
}
dsi->channel = reg;
host->dev = (void *)dsi;
return dsi;
}
int mipi_dsi_host_register(struct mipi_dsi_host *host)
{
of_mipi_dsi_device_add(host);
return 0;
}
/**
* mipi_dsi_attach - attach a DSI device to its DSI host
* @dsi: DSI peripheral
*/
int mipi_dsi_attach(struct mipi_dsi_device *dsi)
{
const struct mipi_dsi_host_ops *ops = dsi->host->ops;
if (!ops || !ops->attach)
return -ENOSYS;
return ops->attach(dsi->host, dsi);
}
/**
* mipi_dsi_detach - detach a DSI device from its DSI host
* @dsi: DSI peripheral
*/
int mipi_dsi_detach(struct mipi_dsi_device *dsi)
{
const struct mipi_dsi_host_ops *ops = dsi->host->ops;
if (!ops || !ops->detach)
return -ENOSYS;
return ops->detach(dsi->host, dsi);
}
/**
* mipi_dsi_enslave() - use a MIPI DSI peripheral as slave for dual-channel
* operation
* @master: master DSI peripheral device
* @slave: slave DSI peripheral device
*
* Return: 0 on success or a negative error code on failure.
*/
int mipi_dsi_enslave(struct mipi_dsi_device *master,
struct mipi_dsi_device *slave)
{
int err = 0;
slave->master = master;
master->slave = slave;
if (master->ops && master->ops->enslave)
err = master->ops->enslave(master, slave);
return err;
}
/**
* mipi_dsi_liberate() - stop using a MIPI DSI peripheral as slave for dual-
* channel operation
* @master: master DSI peripheral device
* @slave: slave DSI peripheral device
*
* Return: 0 on success or a negative error code on failure.
*/
int mipi_dsi_liberate(struct mipi_dsi_device *master,
struct mipi_dsi_device *slave)
{
int err = 0;
if (master->ops && master->ops->liberate)
err = master->ops->liberate(master, slave);
master->slave = NULL;
slave->master = NULL;
return err;
}
/**
* mipi_dsi_dcs_write() - send DCS write command
* @dsi: DSI peripheral device
* @cmd: DCS command
* @data: buffer containing the command payload
* @len: command payload length
*
* This function will automatically choose the right data type depending on
* the command payload length.
*
* Return: The number of bytes successfully transmitted or a negative error
* code on failure.
*/
ssize_t mipi_dsi_dcs_write(struct mipi_dsi_device *dsi, u8 cmd,
const void *data, size_t len)
{
struct mipi_dsi_msg msg;
ssize_t err;
size_t size;
u8 buffer[MAX_DSI_HOST_FIFO_DEPTH + 4];
u8 *tx = buffer;
if (len > MAX_DSI_HOST_FIFO_DEPTH) {
printk(BIOS_ERR, "%s: Error: too large payload length: %zu\n",
__func__, len);
return -EINVAL;
}
if (len > 0) {
unsigned int offset = 0;
/*
* DCS long write packets contain the word count in the header
* bytes 1 and 2 and have a payload containing the DCS command
* byte folowed by word count minus one bytes.
*
* DCS short write packets encode the DCS command and up to
* one parameter in header bytes 1 and 2.
*/
if (len > 1)
size = 3 + len;
else
size = 1 + len;
/* write word count to header for DCS long write packets */
if (len > 1) {
tx[offset++] = ((1 + len) >> 0) & 0xff;
tx[offset++] = ((1 + len) >> 8) & 0xff;
}
/* write the DCS command byte followed by the payload */
tx[offset++] = cmd;
memcpy(tx + offset, data, len);
} else {
tx = &cmd;
size = 1;
}
memset(&msg, 0, sizeof(msg));
msg.flags = MIPI_DSI_MSG_USE_LPM;
msg.channel = dsi->channel;
msg.tx_len = size;
msg.tx_buf = tx;
switch (len) {
case 0:
msg.type = MIPI_DSI_DCS_SHORT_WRITE;
break;
case 1:
msg.type = MIPI_DSI_DCS_SHORT_WRITE_PARAM;
break;
default:
msg.type = MIPI_DSI_DCS_LONG_WRITE;
break;
}
err = dsi->host->ops->transfer(dsi->host, &msg);
return err;
}
/**
* mipi_dsi_dcs_exit_sleep_mode() - enable all blocks inside the display
* module
* @dsi: DSI peripheral device
*
* Return: 0 on success or a negative error code on failure.
*/
int mipi_dsi_dcs_exit_sleep_mode(struct mipi_dsi_device *dsi)
{
ssize_t err;
err = mipi_dsi_dcs_write(dsi, MIPI_DCS_EXIT_SLEEP_MODE, NULL, 0);
if (err < 0)
return err;
return 0;
}
/**
* mipi_dsi_dcs_set_display_on() - start displaying the image data on the
* display device
* @dsi: DSI peripheral device
*
* Return: 0 on success or a negative error code on failure
*/
int mipi_dsi_dcs_set_display_on(struct mipi_dsi_device *dsi)
{
ssize_t err;
err = mipi_dsi_dcs_write(dsi, MIPI_DCS_SET_DISPLAY_ON, NULL, 0);
if (err < 0)
return err;
return 0;
}
/**
* mipi_dsi_dcs_set_column_address() - define the column extent of the frame
* memory accessed by the host processor
* @dsi: DSI peripheral device
* @start: first column of frame memory
* @end: last column of frame memory
*
* Return: 0 on success or a negative error code on failure.
*/
int mipi_dsi_dcs_set_column_address(struct mipi_dsi_device *dsi, u16 start,
u16 end)
{
u8 payload[4] = { start >> 8, start & 0xff, end >> 8, end & 0xff };
ssize_t err;
err = mipi_dsi_dcs_write(dsi, MIPI_DCS_SET_COLUMN_ADDRESS, payload,
sizeof(payload));
if (err < 0)
return err;
return 0;
}
/**
* mipi_dsi_dcs_set_page_address() - define the page extent of the frame
* memory accessed by the host processor
* @dsi: DSI peripheral device
* @start: first page of frame memory
* @end: last page of frame memory
*
* Return: 0 on success or a negative error code on failure.
*/
int mipi_dsi_dcs_set_page_address(struct mipi_dsi_device *dsi, u16 start,
u16 end)
{
u8 payload[4] = { start >> 8, start & 0xff, end >> 8, end & 0xff };
ssize_t err;
err = mipi_dsi_dcs_write(dsi, MIPI_DCS_SET_PAGE_ADDRESS, payload,
sizeof(payload));
if (err < 0)
return err;
return 0;
}
/**
* mipi_dsi_dcs_set_tear_on() - turn on the display module's Tearing Effect
* output signal on the TE signal line.
* @dsi: DSI peripheral device
* @mode: the Tearing Effect Output Line mode
*
* Return: 0 on success or a negative error code on failure
*/
int mipi_dsi_dcs_set_tear_on(struct mipi_dsi_device *dsi,
enum mipi_dsi_dcs_tear_mode mode)
{
u8 value = mode;
ssize_t err;
err = mipi_dsi_dcs_write(dsi, MIPI_DCS_SET_TEAR_ON, &value,
sizeof(value));
if (err < 0)
return err;
return 0;
}
/**
* mipi_dsi_dcs_set_pixel_format() - sets the pixel format for the RGB image
* data used by the interface
* @dsi: DSI peripheral device
* @format: pixel format
*
* Return: 0 on success or a negative error code on failure.
*/
int mipi_dsi_dcs_set_pixel_format(struct mipi_dsi_device *dsi, u8 format)
{
ssize_t err;
err = mipi_dsi_dcs_write(dsi, MIPI_DCS_SET_PIXEL_FORMAT, &format,
sizeof(format));
if (err < 0)
return err;
return 0;
}
/**
* mipi_dsi_dcs_set_address_mode() - sets the data order for forward transfers
* from the host to the peripheral
* @dsi: DSI peripheral device
* @reverse_page_address: reverses the page addressing to bottom->top
* @reverse_col_address: reverses the column addressing to right->left
* @reverse_page_col_address: reverses the page/column addressing order
* @refresh_from_bottom: refresh the display bottom to top
* @reverse_rgb: send pixel data bgr instead of rgb
* @latch_right_to_left: latch the incoming display data right to left
* @flip_horizontal: flip the image horizontally, left to right
* @flip_vertical: flip the image vertically, top to bottom
*
* Return: 0 on success or a negative error code on failure.
*/
int mipi_dsi_dcs_set_address_mode(struct mipi_dsi_device *dsi,
bool reverse_page_address,
bool reverse_col_address,
bool reverse_page_col_address,
bool refresh_from_bottom,
bool reverse_rgb,
bool latch_right_to_left,
bool flip_horizontal,
bool flip_vertical)
{
ssize_t err;
u8 data;
data = ((flip_vertical ? 1 : 0) << 0) |
((flip_horizontal ? 1 : 0) << 1) |
((latch_right_to_left ? 1 : 0) << 2) |
((reverse_rgb ? 1 : 0) << 3) |
((refresh_from_bottom ? 1 : 0) << 4) |
((reverse_page_col_address ? 1 : 0) << 5) |
((reverse_col_address ? 1 : 0) << 6) |
((reverse_page_address ? 1 : 0) << 7);
err = mipi_dsi_dcs_write(dsi, MIPI_DCS_SET_ADDRESS_MODE, &data, 1);
if (err < 0)
return err;
return 0;
}

5
src/soc/nvidia/tegra132/soc.c
View File

@ -76,11 +76,6 @@ static struct cpu_control_ops cntrl_ops = {
.start_cpu = cntrl_start_cpu, .start_cpu = cntrl_start_cpu,
}; };
void display_startup(device_t dev)
{
printk(BIOS_INFO, "Entering %s()\n", __func__);
}
static void soc_init(device_t dev) static void soc_init(device_t dev)
{ {
struct soc_nvidia_tegra132_config *cfg; struct soc_nvidia_tegra132_config *cfg;

874
src/soc/nvidia/tegra132/tegra_dsi.c Normal file
View File

@ -0,0 +1,874 @@
/*
* This file is part of the coreboot project.
*
* Copyright 2014 Google Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <console/console.h>
#include <arch/io.h>
#include <stdint.h>
#include <lib.h>
#include <stdlib.h>
#include <delay.h>
#include <timer.h>
#include <soc/addressmap.h>
#include <soc/clock.h>
#include <device/device.h>
#include <soc/nvidia/tegra/types.h>
#include "chip.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 "jdi_25x18_display/panel-jdi-lpm102a188a.h"
struct tegra_mipi_device mipi_device_data[NUM_DSI];
struct tegra_dsi dsi_data[NUM_DSI] = {
{
.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,
},
};
static inline struct tegra_dsi *host_to_tegra(struct mipi_dsi_host *host)
{
return container_of(host, struct tegra_dsi, host);
}
/*
* non-burst mode with sync pulses
*/
static const u32 pkt_seq_video_non_burst_sync_pulses[NUM_PKT_SEQ] = {
[ 0] = PKT_ID0(MIPI_DSI_V_SYNC_START) | PKT_LEN0(0) |
PKT_ID1(MIPI_DSI_BLANKING_PACKET) | PKT_LEN1(1) |
PKT_ID2(MIPI_DSI_H_SYNC_END) | PKT_LEN2(0) |
PKT_LP,
[ 1] = 0,
[ 2] = PKT_ID0(MIPI_DSI_V_SYNC_END) | PKT_LEN0(0) |
PKT_ID1(MIPI_DSI_BLANKING_PACKET) | PKT_LEN1(1) |
PKT_ID2(MIPI_DSI_H_SYNC_END) | PKT_LEN2(0) |
PKT_LP,
[ 3] = 0,
[ 4] = PKT_ID0(MIPI_DSI_H_SYNC_START) | PKT_LEN0(0) |
PKT_ID1(MIPI_DSI_BLANKING_PACKET) | PKT_LEN1(1) |
PKT_ID2(MIPI_DSI_H_SYNC_END) | PKT_LEN2(0) |
PKT_LP,
[ 5] = 0,
[ 6] = PKT_ID0(MIPI_DSI_H_SYNC_START) | PKT_LEN0(0) |
PKT_ID1(MIPI_DSI_BLANKING_PACKET) | PKT_LEN1(1) |
PKT_ID2(MIPI_DSI_H_SYNC_END) | PKT_LEN2(0),
[ 7] = PKT_ID0(MIPI_DSI_BLANKING_PACKET) | PKT_LEN0(2) |
PKT_ID1(MIPI_DSI_PACKED_PIXEL_STREAM_24) | PKT_LEN1(3) |
PKT_ID2(MIPI_DSI_BLANKING_PACKET) | PKT_LEN2(4),
[ 8] = PKT_ID0(MIPI_DSI_H_SYNC_START) | PKT_LEN0(0) |
PKT_ID1(MIPI_DSI_BLANKING_PACKET) | PKT_LEN1(1) |
PKT_ID2(MIPI_DSI_H_SYNC_END) | PKT_LEN2(0) |
PKT_LP,
[ 9] = 0,
[10] = PKT_ID0(MIPI_DSI_H_SYNC_START) | PKT_LEN0(0) |
PKT_ID1(MIPI_DSI_BLANKING_PACKET) | PKT_LEN1(1) |
PKT_ID2(MIPI_DSI_H_SYNC_END) | PKT_LEN2(0),
[11] = PKT_ID0(MIPI_DSI_BLANKING_PACKET) | PKT_LEN0(2) |
PKT_ID1(MIPI_DSI_PACKED_PIXEL_STREAM_24) | PKT_LEN1(3) |
PKT_ID2(MIPI_DSI_BLANKING_PACKET) | PKT_LEN2(4),
};
/*
* non-burst mode with sync events
*/
static const u32 pkt_seq_video_non_burst_sync_events[NUM_PKT_SEQ] = {
[ 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),
};
static const u32 pkt_seq_command_mode[NUM_PKT_SEQ] = {
[ 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,
};
static int tegra_dsi_set_phy_timing(struct tegra_dsi *dsi)
{
int err;
err = mipi_dphy_set_timing(dsi);
if (err < 0) {
printk(BIOS_ERR, "failed to set D-PHY timing: %d\n", err);
return err;
}
if (dsi->slave)
tegra_dsi_set_phy_timing(dsi->slave);
return 0;
}
static int tegra_dsi_get_muldiv(enum mipi_dsi_pixel_format format,
unsigned int *mulp, unsigned int *divp)
{
switch (format) {
case MIPI_DSI_FMT_RGB666_PACKED:
case MIPI_DSI_FMT_RGB888:
*mulp = 3;
*divp = 1;
break;
case MIPI_DSI_FMT_RGB565:
*mulp = 2;
*divp = 1;
break;
case MIPI_DSI_FMT_RGB666:
*mulp = 9;
*divp = 4;
break;
default:
return -EINVAL;
}
return 0;
}
static int tegra_dsi_get_format(enum mipi_dsi_pixel_format format,
enum tegra_dsi_format *fmt)
{
switch (format) {
case MIPI_DSI_FMT_RGB888:
*fmt = TEGRA_DSI_FORMAT_24P;
break;
case MIPI_DSI_FMT_RGB666:
*fmt = TEGRA_DSI_FORMAT_18NP;
break;
case MIPI_DSI_FMT_RGB666_PACKED:
*fmt = TEGRA_DSI_FORMAT_18P;
break;
case MIPI_DSI_FMT_RGB565:
*fmt = TEGRA_DSI_FORMAT_16P;
break;
default:
return -EINVAL;
}
return 0;
}
static void tegra_dsi_ganged_enable(struct tegra_dsi *dsi, unsigned int start,
unsigned int size)
{
u32 value;
tegra_dsi_writel(dsi, start, DSI_GANGED_MODE_START);
tegra_dsi_writel(dsi, size << 16 | size, DSI_GANGED_MODE_SIZE);
value = DSI_GANGED_MODE_CONTROL_ENABLE;
tegra_dsi_writel(dsi, value, DSI_GANGED_MODE_CONTROL);
}
static void tegra_dsi_enable(struct tegra_dsi *dsi)
{
u32 value;
value = tegra_dsi_readl(dsi, DSI_POWER_CONTROL);
value |= DSI_POWER_CONTROL_ENABLE;
tegra_dsi_writel(dsi, value, DSI_POWER_CONTROL);
if (dsi->slave)
tegra_dsi_enable(dsi->slave);
}
static int tegra_dsi_configure(struct tegra_dsi *dsi, unsigned int pipe,
const struct soc_nvidia_tegra132_config *mode)
{
unsigned int hact, hsw, hbp, hfp, i, mul, div;
enum tegra_dsi_format format;
const u32 *pkt_seq;
u32 value;
int err;
if (dsi->flags & MIPI_DSI_MODE_VIDEO_SYNC_PULSE) {
printk(BIOS_SPEW, "Non-burst video mode with sync pulses\n");
pkt_seq = pkt_seq_video_non_burst_sync_pulses;
} else if (dsi->flags & MIPI_DSI_MODE_VIDEO) {
printk(BIOS_SPEW, "Non-burst video mode with sync events\n");
pkt_seq = pkt_seq_video_non_burst_sync_events;
} else {
printk(BIOS_SPEW, "Command mode\n");
pkt_seq = pkt_seq_command_mode;
}
err = tegra_dsi_get_muldiv(dsi->format, &mul, &div);
if (err < 0)
return err;
err = tegra_dsi_get_format(dsi->format, &format);
if (err < 0)
return err;
value = DSI_CONTROL_CHANNEL(0) | DSI_CONTROL_FORMAT(format) |
DSI_CONTROL_LANES(dsi->lanes - 1) |
DSI_CONTROL_SOURCE(pipe);
tegra_dsi_writel(dsi, value, DSI_CONTROL);
tegra_dsi_writel(dsi, dsi->video_fifo_depth, DSI_MAX_THRESHOLD);
value = DSI_HOST_CONTROL_HS;
tegra_dsi_writel(dsi, value, DSI_HOST_CONTROL);
value = tegra_dsi_readl(dsi, DSI_CONTROL);
if (dsi->flags & MIPI_DSI_CLOCK_NON_CONTINUOUS)
value |= DSI_CONTROL_HS_CLK_CTRL;
value &= ~DSI_CONTROL_TX_TRIG(3);
/* enable DCS commands for command mode */
if (dsi->flags & MIPI_DSI_MODE_VIDEO)
value &= ~DSI_CONTROL_DCS_ENABLE;
else
value |= DSI_CONTROL_DCS_ENABLE;
value |= DSI_CONTROL_VIDEO_ENABLE;
value &= ~DSI_CONTROL_HOST_ENABLE;
tegra_dsi_writel(dsi, value, DSI_CONTROL);
for (i = 0; i < NUM_PKT_SEQ; i++)
tegra_dsi_writel(dsi, pkt_seq[i], DSI_PKT_SEQ_0_LO + i);
if (dsi->flags & MIPI_DSI_MODE_VIDEO) {
/* horizontal active pixels */
hact = mode->xres * mul / div;
/* horizontal sync width */
hsw = (hsync_end(mode) - hsync_start(mode)) * mul / div;
hsw -= 10;
/* horizontal back porch */
hbp = (htotal(mode) - hsync_end(mode)) * mul / div;
hbp -= 14;
/* horizontal front porch */
hfp = (hsync_start(mode) - mode->xres) * mul / div;
hfp -= 8;
tegra_dsi_writel(dsi, hsw << 16 | 0, DSI_PKT_LEN_0_1);
tegra_dsi_writel(dsi, hact << 16 | hbp, DSI_PKT_LEN_2_3);
tegra_dsi_writel(dsi, hfp, DSI_PKT_LEN_4_5);
tegra_dsi_writel(dsi, 0x0f0f << 16, DSI_PKT_LEN_6_7);
/* set SOL delay (for non-burst mode only) */
tegra_dsi_writel(dsi, 8 * mul / div, DSI_SOL_DELAY);
/* TODO: implement ganged mode */
} else {
u16 bytes;
if (dsi->ganged_mode) {
/*
* For ganged mode, assume symmetric left-right mode.
*/
bytes = 1 + (mode->xres / 2) * mul / div;
} else {
/* 1 byte (DCS command) + pixel data */
bytes = 1 + mode->xres * mul / div;
}
tegra_dsi_writel(dsi, 0, DSI_PKT_LEN_0_1);
tegra_dsi_writel(dsi, bytes << 16, DSI_PKT_LEN_2_3);
tegra_dsi_writel(dsi, bytes << 16, DSI_PKT_LEN_4_5);
tegra_dsi_writel(dsi, 0, DSI_PKT_LEN_6_7);
value = MIPI_DCS_WRITE_MEMORY_START << 8 |
MIPI_DCS_WRITE_MEMORY_CONTINUE;
tegra_dsi_writel(dsi, value, DSI_DCS_CMDS);
/* set SOL delay */
if (dsi->ganged_mode) {
unsigned long delay, bclk, bclk_ganged;
unsigned int lanes = dsi->ganged_lanes;
/* SOL to valid, valid to FIFO and FIFO write delay */
delay = 4 + 4 + 2;
delay = DIV_ROUND_UP(delay * mul, div * lanes);
/* FIFO read delay */
delay = delay + 6;
bclk = DIV_ROUND_UP(htotal(mode) * mul, div * lanes);
bclk_ganged = DIV_ROUND_UP(bclk * lanes / 2, lanes);
value = bclk - bclk_ganged + delay + 20;
} else {
/* TODO: revisit for non-ganged mode */
value = 8 * mul / div;
}
tegra_dsi_writel(dsi, value, DSI_SOL_DELAY);
}
if (dsi->slave) {
err = tegra_dsi_configure(dsi->slave, pipe, mode);
if (err < 0)
return err;
/*
* enable ganged mode
*/
if (dsi->ganged_mode) {
tegra_dsi_ganged_enable(dsi, mode->xres / 2,
mode->xres / 2);
tegra_dsi_ganged_enable(dsi->slave, 0, mode->xres / 2);
}
}
return 0;
}
static int tegra_output_dsi_enable(struct tegra_dsi *dsi,
const struct soc_nvidia_tegra132_config *config)
{
int err;
if (dsi->enabled)
return 0;
err = tegra_dsi_configure(dsi, 0, config);
if (err < 0)
return err;
/* enable DSI controller */
tegra_dsi_enable(dsi);
dsi->enabled = true;
return 0;
}
static void tegra_dsi_set_timeout(struct tegra_dsi *dsi, unsigned long bclk,
unsigned int vrefresh)
{
unsigned int timeout;
u32 value;
/* one frame high-speed transmission timeout */
timeout = (bclk / vrefresh) / 512;
value = DSI_TIMEOUT_LRX(0x2000) | DSI_TIMEOUT_HTX(timeout);
tegra_dsi_writel(dsi, value, DSI_TIMEOUT_0);
/* 2 ms peripheral timeout for panel */
timeout = 2 * bclk / 512 * 1000;
value = DSI_TIMEOUT_PR(timeout) | DSI_TIMEOUT_TA(0x2000);
tegra_dsi_writel(dsi, value, DSI_TIMEOUT_1);
value = DSI_TALLY_TA(0) | DSI_TALLY_LRX(0) | DSI_TALLY_HTX(0);
tegra_dsi_writel(dsi, value, DSI_TO_TALLY);
if (dsi->slave)
tegra_dsi_set_timeout(dsi->slave, bclk, vrefresh);
}
static int tegra_output_dsi_setup_clock(struct tegra_dsi *dsi,
const struct soc_nvidia_tegra132_config *config)
{
unsigned int mul, div, num_lanes; // , vrefresh, num_lanes;
unsigned long bclk;
unsigned long pclk = config->pixel_clock;
int plld;
int err;
err = tegra_dsi_get_muldiv(dsi->format, &mul, &div);
if (err < 0)
return err;
/*
* In ganged mode, account for the total number of lanes across both
* DSI channels so that the bit clock is properly computed.
*/
if (dsi->ganged_mode)
num_lanes = dsi->ganged_lanes;
else
num_lanes = dsi->lanes;
/* compute byte clock */
bclk = (pclk * mul) / (div * num_lanes);
/*
* Compute bit clock and round up to the next MHz.
*/
plld = DIV_ROUND_UP(bclk * 8, USECS_PER_SEC) * USECS_PER_SEC;
/*
* the actual rate on PLLD_OUT0 is 1/2 plld
*/
dsi->clk_rate = plld / 2;
if (dsi->slave)
dsi->slave->clk_rate = dsi->clk_rate;
/* set up plld */
plld = clock_display(plld);
if (plld == 0) {
printk(BIOS_ERR, "%s: clock init failed\n", __func__);
return -1;
}
tegra_dsi_set_timeout(dsi, bclk, config->refresh);
return plld/1000000;
}
static int tegra_dsi_pad_enable(struct tegra_dsi *dsi)
{
unsigned long value;
value = DSI_PAD_CONTROL_VS1_PULLDN(0) | DSI_PAD_CONTROL_VS1_PDIO(0);
tegra_dsi_writel(dsi, value, DSI_PAD_CONTROL_0);
return 0;
}
static int tegra_dsi_pad_calibrate(struct tegra_dsi *dsi)
{
u32 value;
tegra_dsi_writel(dsi, 0, DSI_PAD_CONTROL_0);
tegra_dsi_writel(dsi, 0, DSI_PAD_CONTROL_1);
tegra_dsi_writel(dsi, 0, DSI_PAD_CONTROL_2);
tegra_dsi_writel(dsi, 0, DSI_PAD_CONTROL_3);
tegra_dsi_writel(dsi, 0, DSI_PAD_CONTROL_4);
/* start calibration */
tegra_dsi_pad_enable(dsi);
value = DSI_PAD_SLEW_UP(0x7) | DSI_PAD_SLEW_DN(0x7) |
DSI_PAD_LP_UP(0x1) | DSI_PAD_LP_DN(0x1) |
DSI_PAD_OUT_CLK(0x0);
tegra_dsi_writel(dsi, value, DSI_PAD_CONTROL_2);
return tegra_mipi_calibrate(dsi->mipi);
}
static const char * const error_report[16] = {
"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",
};
static int tegra_dsi_read_response(struct tegra_dsi *dsi,
const struct mipi_dsi_msg *msg,
unsigned int count)
{
u8 *rx = msg->rx_buf;
unsigned int i, j, k;
size_t size = 0;
u16 errors;
u32 value;
/* read and parse packet header */
value = tegra_dsi_readl(dsi, DSI_RD_DATA);
switch (value & 0x3f) {
case MIPI_DSI_RX_ACKNOWLEDGE_AND_ERROR_REPORT:
errors = (value >> 8) & 0xffff;
printk(BIOS_ERR, "Acknowledge and error report: %04x\n",
errors);
for (i = 0; i < ARRAY_SIZE(error_report); i++)
if (errors & BIT(i))
printk(BIOS_INFO, " %2u: %s\n", i,
error_report[i]);
break;
case MIPI_DSI_RX_DCS_SHORT_READ_RESPONSE_1BYTE:
rx[0] = (value >> 8) & 0xff;
break;
case MIPI_DSI_RX_DCS_SHORT_READ_RESPONSE_2BYTE:
rx[0] = (value >> 8) & 0xff;
rx[1] = (value >> 16) & 0xff;
break;
case MIPI_DSI_RX_DCS_LONG_READ_RESPONSE:
size = ((value >> 8) & 0xff00) | ((value >> 8) & 0xff);
break;
case MIPI_DSI_RX_GENERIC_LONG_READ_RESPONSE:
size = ((value >> 8) & 0xff00) | ((value >> 8) & 0xff);
break;
default:
printk(BIOS_ERR, "unhandled response type: %02x\n",
value & 0x3f);
break;
}
size = MIN(size, msg->rx_len);
if (msg->rx_buf && size > 0) {
for (i = 0, j = 0; i < count - 1; i++, j += 4) {
value = tegra_dsi_readl(dsi, DSI_RD_DATA);
for (k = 0; k < 4 && (j + k) < msg->rx_len; k++)
rx[j + k] = (value >> (k << 3)) & 0xff;
}
}
return 0;
}
static int tegra_dsi_transmit(struct tegra_dsi *dsi, unsigned long timeout_ms)
{
u32 poll_interval_us = 2000;
u32 timeout_us = timeout_ms * 1000;
tegra_dsi_writel(dsi, DSI_TRIGGER_HOST, DSI_TRIGGER);
udelay(poll_interval_us);
do {
u32 value = tegra_dsi_readl(dsi, DSI_TRIGGER);
if ((value & DSI_TRIGGER_HOST) == 0)
return 0;
//usleep_range(1000, 2000);
if (timeout_us > poll_interval_us)
timeout_us -= poll_interval_us;
else
break;
udelay(poll_interval_us);
} while (1);
printk(BIOS_ERR, "%s: ERROR: timeout waiting for transmission"
" to complete\n", __func__);
return -ETIMEDOUT;
}
static int tegra_dsi_wait_for_response(struct tegra_dsi *dsi,
unsigned long timeout_ms)
{
u32 poll_interval_us = 2000;
u32 timeout_us = timeout_ms * 1000;
do {
u32 value = tegra_dsi_readl(dsi, DSI_STATUS);
u8 count = value & 0x1f;
if (count > 0)
return count;
if (timeout_us > poll_interval_us)
timeout_us -= poll_interval_us;
else
break;
udelay(poll_interval_us);
} while (1);
printk(BIOS_ERR, "%s: ERROR: timeout\n", __func__);
return -ETIMEDOUT;
}
static ssize_t tegra_dsi_host_transfer(struct mipi_dsi_host *host,
const struct mipi_dsi_msg *msg)
{
struct tegra_dsi *dsi = host_to_tegra(host);
const u8 *tx = msg->tx_buf;
unsigned int count, i, j;
u32 value;
int err;
if (msg->tx_len > dsi->video_fifo_depth * 4)
return -ENOSPC;
/* reset underflow/overflow flags */
value = tegra_dsi_readl(dsi, DSI_STATUS);
if (value & (DSI_STATUS_UNDERFLOW | DSI_STATUS_OVERFLOW)) {
value = DSI_HOST_CONTROL_FIFO_RESET;
tegra_dsi_writel(dsi, value, DSI_HOST_CONTROL);
udelay(20); // usleep_range(10, 20);
}
value = tegra_dsi_readl(dsi, DSI_POWER_CONTROL);
value |= DSI_POWER_CONTROL_ENABLE;
tegra_dsi_writel(dsi, value, DSI_POWER_CONTROL);
udelay(7000); //usleep_range(5000, 10000);
value = DSI_HOST_CONTROL_CRC_RESET | DSI_HOST_CONTROL_TX_TRIG_HOST |
DSI_HOST_CONTROL_CS | DSI_HOST_CONTROL_ECC;
if ((msg->flags & MIPI_DSI_MSG_USE_LPM) == 0)
value |= DSI_HOST_CONTROL_HS;
/*
* The host FIFO has a maximum of 64 words, so larger transmissions
* need to use the video FIFO.
*/
if (msg->tx_len > dsi->host_fifo_depth * 4)
value |= DSI_HOST_CONTROL_FIFO_SEL;
tegra_dsi_writel(dsi, value, DSI_HOST_CONTROL);
/*
* For reads and messages with explicitly requested ACK, generate a
* BTA sequence after the transmission of the packet.
*/
if ((msg->flags & MIPI_DSI_MSG_REQ_ACK) ||
(msg->rx_buf && msg->rx_len > 0)) {
value = tegra_dsi_readl(dsi, DSI_HOST_CONTROL);
value |= DSI_HOST_CONTROL_PKT_BTA;
tegra_dsi_writel(dsi, value, DSI_HOST_CONTROL);
}
value = DSI_CONTROL_LANES(0) | DSI_CONTROL_HOST_ENABLE;
tegra_dsi_writel(dsi, value, DSI_CONTROL);
/* write packet header */
value = ((msg->channel & 0x3) << 6) | (msg->type & 0x3f);
if (tx && msg->tx_len > 0)
value |= tx[0] << 8;
if (tx && msg->tx_len > 1)
value |= tx[1] << 16;
tegra_dsi_writel(dsi, value, DSI_WR_DATA);
/* write payload (if any) */
if (msg->tx_len > 2) {
for (j = 2; j < msg->tx_len; j += 4) {
value = 0;
for (i = 0; i < 4 && j + i < msg->tx_len; i++)
value |= tx[j + i] << (i << 3);
tegra_dsi_writel(dsi, value, DSI_WR_DATA);
}
}
err = tegra_dsi_transmit(dsi, 250);
if (err < 0)
return err;
if ((msg->flags & MIPI_DSI_MSG_REQ_ACK) ||
(msg->rx_buf && msg->rx_len > 0)) {
err = tegra_dsi_wait_for_response(dsi, 250);
if (err < 0)
return err;
count = err;
value = tegra_dsi_readl(dsi, DSI_RD_DATA);
switch (value) {
case 0x84:
/*
dev_dbg(dsi->dev, "ACK\n");
*/
break;
case 0x87:
/*
dev_dbg(dsi->dev, "ESCAPE\n");
*/
break;
default:
printk(BIOS_INFO, "unknown status: %08x\n", value);
break;
}
if (count > 1) {
err = tegra_dsi_read_response(dsi, msg, count);
if (err < 0)
printk(BIOS_INFO,
"failed to parse response: %d\n",
err);
}
}
return 0;
}
static int tegra_dsi_ganged_setup(struct tegra_dsi *dsi,
struct tegra_dsi *slave)
{
/*
* The number of ganged lanes is the sum of lanes of all peripherals
* in the gang.
*/
dsi->slave->ganged_lanes = dsi->lanes + dsi->slave->lanes;
dsi->slave->ganged_mode = 1;
dsi->ganged_lanes = dsi->lanes + dsi->slave->lanes;
dsi->ganged_mode = 1;
return 0;
}
static int tegra_dsi_host_attach(struct mipi_dsi_host *host,
struct mipi_dsi_device *device)
{
struct tegra_dsi *dsi = host_to_tegra(host);
int err;
dsi->flags = device->mode_flags;
dsi->format = device->format;
dsi->lanes = device->lanes;
if (dsi->master) {
err = tegra_dsi_ganged_setup(dsi->master, dsi);
if (err < 0) {
printk(BIOS_ERR, "failed to set up ganged mode: %d\n",
err);
return err;
}
}
return 0;
}
static const struct mipi_dsi_host_ops tegra_dsi_host_ops = {
.attach = tegra_dsi_host_attach,
.transfer = tegra_dsi_host_transfer,
};
static int dsi_probe_if(int dsi_index,
struct soc_nvidia_tegra132_config *config)
{
struct tegra_dsi *dsi = &dsi_data[dsi_index];
int err;
/*
* Set default value. Will be taken from attached device once detected
*/
dsi->flags = 0;
dsi->format = MIPI_DSI_FMT_RGB888;
dsi->lanes = 4;
/* get tegra_mipi_device */
dsi->mipi = tegra_mipi_request(&mipi_device_data[dsi_index], dsi_index);
/* calibrate */
err = tegra_dsi_pad_calibrate(dsi);
if (err < 0) {
printk(BIOS_ERR, "MIPI calibration failed: %d\n", err);
return err;
}
dsi->host.ops = &tegra_dsi_host_ops;
err = mipi_dsi_host_register(&dsi->host);
if (err < 0) {
printk(BIOS_ERR, "failed to register DSI host: %d\n", err);
return err;
}
/* get panel */
dsi->panel = panel_jdi_dsi_probe((struct mipi_dsi_device *)dsi->host.dev);
if (IS_ERR_PTR(dsi->panel)) {
printk(BIOS_ERR, "failed to get dsi panel\n");
return -EPTR;
}
dsi->panel->mode = config;
return 0;
}
static int dsi_probe(struct soc_nvidia_tegra132_config *config)
{
dsi_probe_if(DSI_A, config);
dsi_probe_if(DSI_B, config);
return 0;
}
int dsi_enable(struct soc_nvidia_tegra132_config *config)
{
struct tegra_dsi *dsi_a = &dsi_data[DSI_A];
dsi_probe(config);
/* set up clock and TimeOutRegisters */
tegra_output_dsi_setup_clock(dsi_a, config);
/* configure APB_MISC_GP_MIPI_PAD_CTRL_0 */
write32(DSIB_MODE_DSI, (unsigned int *)APB_MISC_GP_MIPI_PAD_CTRL_0);
/* configure phy interface timing registers */
tegra_dsi_set_phy_timing(dsi_a);
/* prepare panel */
panel_jdi_prepare(dsi_a->panel);
/* enable dsi */
if (tegra_output_dsi_enable(dsi_a, config)) {
printk(BIOS_ERR,"%s: Error: failed to enable dsi output.\n",
__func__);
return -1;
}
return 0;
}