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authorJimmy Zhang <jimmzhang@nvidia.com>2014-03-10 12:42:05 -0700
committerMarc Jones <marc.jones@se-eng.com>2014-11-14 07:27:17 +0100
commitbd5925ab2dfb5bcdecba539b83827d7788bc6808 (patch)
treea2a508884d63c2059a9e8ae363238bb99da77bad /src/soc/nvidia/tegra124
parent4e16a2ea17a1b104507aeed8fca9c35750728248 (diff)
downloadcoreboot-bd5925ab2dfb5bcdecba539b83827d7788bc6808.tar.xz
t124: Clean up display init functions
The existing display init functions were translated from a script. The new code will play the same functions but are cleaner and readable and easier to be ported to new panel. BUG=none TEST=build nyan and boot up kernel. Signed-off-by: Jimmy Zhang <jimmzhang@nvidia.com> Original-Change-Id: Ic9983e57684a03e206efe3731968ec62905f4ee8 Original-Reviewed-on: https://chromium-review.googlesource.com/189518 Original-Commit-Queue: Jimmy Zhang <jimmzhang@nvidia.com> Original-Tested-by: Jimmy Zhang <jimmzhang@nvidia.com> Original-Reviewed-by: Julius Werner <jwerner@chromium.org> (cherry picked from commit 5998f991ea3069d603443b93c2ebdcdcd04af961) Signed-off-by: Marc Jones <marc.jones@se-eng.com> Squashed to pass abuild nyan: Fix the build for big and blaze. The display code for the tegra124 was cleaned up recently, but only the nyan device tree was updated to match the new code, not big's or blaze's. This change copies nyan's device tree over to those other two boards which will get them building again. The settings may not be correct, but they'll be no less correct than they were before. I also updated the copyright date for nyan. BUG=none TEST=Built for nyan, nyan_big, nyan_blaze. Booted on nyan_big and verified the panel wasn't damaged by the new display code or settings. BRANCH=None Original-Change-Id: I75055a01f9402b3a9de9a787a9d3e737d25bb515 Original-Signed-off-by: Gabe Black <gabeblack@google.com> Original-Reviewed-on: https://chromium-review.googlesource.com/191364 Original-Reviewed-by: Hung-Te Lin <hungte@chromium.org> Original-Commit-Queue: Gabe Black <gabeblack@chromium.org> Original-Tested-by: Gabe Black <gabeblack@chromium.org> (cherry picked from commit ea235f23df31b4ca8006dcdf3628eed096e062b9) Signed-off-by: Marc Jones <marc.jones@se-eng.com> Change-Id: Icdad74bf2d013c3677e1a3373b8f89fad99f616e Reviewed-on: http://review.coreboot.org/7454 Tested-by: build bot (Jenkins) Reviewed-by: David Hendricks <dhendrix@chromium.org>
Diffstat (limited to 'src/soc/nvidia/tegra124')
-rw-r--r--src/soc/nvidia/tegra124/Makefile.inc2
-rw-r--r--src/soc/nvidia/tegra124/chip.h48
-rw-r--r--src/soc/nvidia/tegra124/clock.c24
-rw-r--r--src/soc/nvidia/tegra124/display.c356
-rw-r--r--src/soc/nvidia/tegra124/displayhack.c738
-rw-r--r--src/soc/nvidia/tegra124/dp.c555
-rw-r--r--src/soc/nvidia/tegra124/include/soc/display.h175
-rw-r--r--src/soc/nvidia/tegra124/soc.c2
-rw-r--r--src/soc/nvidia/tegra124/sor.c702
-rw-r--r--src/soc/nvidia/tegra124/sor.h55
10 files changed, 1227 insertions, 1430 deletions
diff --git a/src/soc/nvidia/tegra124/Makefile.inc b/src/soc/nvidia/tegra124/Makefile.inc
index 07184f88b0..8d5fb26eb2 100644
--- a/src/soc/nvidia/tegra124/Makefile.inc
+++ b/src/soc/nvidia/tegra124/Makefile.inc
@@ -38,7 +38,7 @@ romstage-$(CONFIG_CONSOLE_SERIAL) += uart.c
ramstage-y += cbfs.c
ramstage-y += cbmem.c
ramstage-y += clock.c
-ramstage-y += display.c displayhack.c
+ramstage-y += display.c
ramstage-y += dma.c
ramstage-y += i2c.c
ramstage-y += maincpu.S
diff --git a/src/soc/nvidia/tegra124/chip.h b/src/soc/nvidia/tegra124/chip.h
index b05bcc7cba..87d043a8ca 100644
--- a/src/soc/nvidia/tegra124/chip.h
+++ b/src/soc/nvidia/tegra124/chip.h
@@ -23,14 +23,19 @@
#include <soc/addressmap.h>
#include "gpio.h"
+#define EFAULT 1
+#define EINVAL 2
+
/* this is a misuse of the device tree. We're going to let it go for now but
* we should at minimum have a struct for the display controller, since
* the chip supports two.
*/
struct soc_nvidia_tegra124_config {
- int xres;
- int yres;
- int framebuffer_bits_per_pixel;
+ u32 xres;
+ u32 yres;
+ u32 framebuffer_bits_per_pixel;
+ u32 color_depth;
+ u32 panel_bits_per_pixel;
int cache_policy;
/* there are two. It's not unimaginable that we might someday
* have two of these structs in a single mainboard.
@@ -60,32 +65,41 @@ struct soc_nvidia_tegra124_config {
* This is stated to be four timings in the
* u-boot docs. In any event, in coreboot, we generally
* only delay long enough to let the panel wake up and then
- * do the control operations -- meaming, for *coreboot*
+ * do the control operations -- meaning, for *coreboot*
* we probably only need the vdd_delay, but payloads may
* need the other info.
*/
/* Delay before from power on asserting vdd */
- int vdd_delay;
- /* delay between panel_vdd-rise and data-rise*/
- int vdd_data_delay;
- /* delay between data-rise and backlight_vdd-rise */
- int data_backlight_delay;
- /* delay between backlight_vdd and pwm-rise */
- int backlight_pwm_delay;
- /* delay between pwm-rise and backlight_en-rise */
- int pwm_backlight_en_delay;
- /* display timing.
- * we have not found a dts in which these are set */
- int href_to_sync; /* u-boot code says 'set to 1' */
+ int vdd_delay_ms;
+
+ /* Delay before HPD high */
+ int vdd_to_hpd_delay_ms;
+
+ int hpd_unplug_min_us;
+ int hpd_plug_min_us;
+ int hpd_irq_min_us;
+
+ int href_to_sync;
int hsync_width;
int hback_porch;
int hfront_porch;
- int vref_to_sync; /* u-boot code says 'set to 1' */
+ int vref_to_sync;
int vsync_width;
int vback_porch;
int vfront_porch;
int pixel_clock;
+ int pll_div;;
+
+ /* The minimum link configuraton settings */
+ u32 lane_count;
+ u32 enhanced_framing;
+ u32 link_bw;
+ u32 drive_current;
+ u32 preemphasis;
+ u32 postcursor;
+
+ void *dc_data;
};
#endif /* __SOC_NVIDIA_TEGRA124_CHIP_H__ */
diff --git a/src/soc/nvidia/tegra124/clock.c b/src/soc/nvidia/tegra124/clock.c
index c292355f33..cef4262f99 100644
--- a/src/soc/nvidia/tegra124/clock.c
+++ b/src/soc/nvidia/tegra124/clock.c
@@ -88,10 +88,9 @@ struct {
int khz;
struct pllcx_dividers pllx; /* target: CONFIG_PLLX_KHZ */
struct pllcx_dividers pllc; /* target: 600 MHz */
- struct pllpad_dividers plld; /* target: 925 MHz */
+ struct pllpad_dividers plld; /* target: 306 MHz */
struct pllu_dividers pllu; /* target; 960 MHz */
struct pllcx_dividers plldp; /* target; 270 MHz */
- struct pllcx_dividers plld2; /* target; 570 MHz */
/* Based on T124 TRM (to be updatd), PLLP is set to 408MHz in HW.
* Unless configuring PLLP to a frequency other than 408MHz,
* software configuration on PLLP is unneeded. */
@@ -100,46 +99,41 @@ struct {
.khz = 12000,
.pllx = {.n = TEGRA_PLLX_KHZ / 12000, .m = 1, .p = 0},
.pllc = {.n = 50, .m = 1, .p = 0},
- .plld = {.n = 283, .m = 12, .p = 0, .cpcon = 8}, /* 283 MHz */
+ .plld = {.n = 306, .m = 12, .p = 0, .cpcon = 8},
.pllu = {.n = 960, .m = 12, .p = 0, .cpcon = 12, .lfcon = 2},
.plldp = {.n = 90, .m = 1, .p = 3},
- .plld2 = {.n = 95, .m = 1, .p = 1},
},
[OSC_FREQ_OSC13]{
.khz = 13000,
.pllx = {.n = TEGRA_PLLX_KHZ / 13000, .m = 1, .p = 0},
.pllc = {.n = 231, .m = 5, .p = 0}, /* 600.6 MHz */
- .plld = {.n = 283, .m = 13, .p = 0, .cpcon = 8}, /* 283 MHz*/
+ .plld = {.n = 306, .m = 13, .p = 0, .cpcon = 8},
.pllu = {.n = 960, .m = 13, .p = 0, .cpcon = 12, .lfcon = 2},
.plldp = {.n = 83, .m = 1, .p = 3}, /* 269.75 MHz */
- .plld2 = {.n = 88, .m = 1, .p = 1}, /* 572 MHz */
},
[OSC_FREQ_OSC16P8]{
.khz = 16800,
.pllx = {.n = TEGRA_PLLX_KHZ / 16800, .m = 1, .p = 0},
.pllc = {.n = 250, .m = 7, .p = 0},
- .plld = {.n = 286, .m = 17, .p = 0, .cpcon = 8}, /* 282.6 MHz*/
+ .plld = {.n = 309, .m = 17, .p = 0, .cpcon = 8}, /* 305.4 MHz*/
.pllu = {.n = 400, .m = 7, .p = 0, .cpcon = 5, .lfcon = 2},
.plldp = {.n = 64, .m = 1, .p = 3}, /* 268.8 MHz */
- .plld2 = {.n = 68, .m = 1, .p = 1}, /* 571.2 MHz */
},
[OSC_FREQ_OSC19P2]{
.khz = 19200,
.pllx = {.n = TEGRA_PLLX_KHZ / 19200, .m = 1, .p = 0},
.pllc = {.n = 125, .m = 4, .p = 0},
- .plld = {.n = 251, .m = 17, .p = 0, .cpcon = 8}, /* 283.5 MHz */
+ .plld = {.n = 271, .m = 17, .p = 0, .cpcon = 8}, /* 306.1 MHz */
.pllu = {.n = 200, .m = 4, .p = 0, .cpcon = 3, .lfcon = 2},
.plldp = {.n = 56, .m = 1, .p = 3}, /* 270.75 MHz */
- .plld2 = {.n = 59, .m = 1, .p = 1}, /* 566.4 MHz */
},
[OSC_FREQ_OSC26]{
.khz = 26000,
.pllx = {.n = TEGRA_PLLX_KHZ / 26000, .m = 1, .p = 0},
.pllc = {.n = 23, .m = 1, .p = 0}, /* 598 MHz */
- .plld = {.n = 283, .m = 26, .p = 0, .cpcon = 8}, /* 283 MHz */
+ .plld = {.n = 306, .m = 26, .p = 0, .cpcon = 8},
.pllu = {.n = 960, .m = 26, .p = 0, .cpcon = 12, .lfcon = 2},
.plldp = {.n = 83, .m = 2, .p = 3}, /* 266.50 MHz */
- .plld2 = {.n = 88, .m = 2, .p = 1}, /* 572 MHz */
},
[OSC_FREQ_OSC38P4]{
.khz = 38400,
@@ -149,10 +143,9 @@ struct {
*/
.pllx = {.n = TEGRA_PLLX_KHZ / 19200, .m = 1, .p = 0},
.pllc = {.n = 125, .m = 4, .p = 0},
- .plld = {.n = 125, .m = 17, .p = 0, .cpcon = 8}, /* 282.4 MHz */
+ .plld = {.n = 271, .m = 17, .p = 0, .cpcon = 8}, /* 306.1 MHz */
.pllu = {.n = 200, .m = 4, .p = 0, .cpcon = 3, .lfcon = 2},
.plldp = {.n = 56, .m = 2, .p = 3}, /* 268 MHz */
- .plld2 = {.n = 59, .m = 2, .p = 1}, /* 566 MHz */
},
[OSC_FREQ_OSC48]{
.khz = 48000,
@@ -162,10 +155,9 @@ struct {
*/
.pllx = {.n = TEGRA_PLLX_KHZ / 12000, .m = 1, .p = 0},
.pllc = {.n = 50, .m = 1, .p = 0},
- .plld = {.n = 71, .m = 12, .p = 0, .cpcon = 8}, /* 284 MHz */
+ .plld = {.n = 306, .m = 12, .p = 0, .cpcon = 8},
.pllu = {.n = 960, .m = 12, .p = 0, .cpcon = 12, .lfcon = 2},
.plldp = {.n = 90, .m = 4, .p = 3}, /* 264 MHz */
- .plld2 = {.n = 95, .m = 4, .p = 1},
},
};
diff --git a/src/soc/nvidia/tegra124/display.c b/src/soc/nvidia/tegra124/display.c
index 8c4e8232dd..4a0f4501a2 100644
--- a/src/soc/nvidia/tegra124/display.c
+++ b/src/soc/nvidia/tegra124/display.c
@@ -38,18 +38,26 @@
#include "chip.h"
#include <soc/display.h>
+struct tegra_dc dc_data;
+
int dump = 0;
-unsigned long READL(void * p);
-void WRITEL(unsigned long value, void * p);
unsigned long READL(void * p)
{
- unsigned long value = readl(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)
@@ -57,174 +65,133 @@ void WRITEL(unsigned long value, void * p)
writel(value, p);
}
-static const u32 rgb_enb_tab[PIN_REG_COUNT] = {
- 0x00000000,
- 0x00000000,
- 0x00000000,
- 0x00000000,
-};
-
-static const u32 rgb_polarity_tab[PIN_REG_COUNT] = {
- 0x00000000,
- 0x01000000,
- 0x00000000,
- 0x00000000,
-};
-
-static const u32 rgb_data_tab[PIN_REG_COUNT] = {
- 0x00000000,
- 0x00000000,
- 0x00000000,
- 0x00000000,
-};
-
-static const u32 rgb_sel_tab[PIN_OUTPUT_SEL_COUNT] = {
- 0x00000000,
- 0x00000000,
- 0x00000000,
- 0x00000000,
- 0x00210222,
- 0x00002200,
- 0x00020000,
-};
-
-static int update_display_mode(struct dc_disp_reg *disp,
- struct soc_nvidia_tegra124_config *config)
+/* return in 1000ths of a Hertz */
+static int tegra_dc_calc_refresh(const struct soc_nvidia_tegra124_config *config)
{
- u32 val;
- u32 rate;
- u32 div;
-
- WRITEL(0x0, &disp->disp_timing_opt);
+ int h_total, v_total, refresh;
+ int pclk = config->pixel_clock;
+
+ h_total = config->xres + config->hfront_porch + config->hback_porch +
+ config->hsync_width;
+ v_total = config->yres + config->vfront_porch + config->vback_porch +
+ config->vsync_width;
+ if (!pclk || !h_total || !v_total)
+ return 0;
+ refresh = pclk / h_total;
+ refresh *= 1000;
+ refresh /= v_total;
+ return refresh;
+}
- WRITEL(config->vref_to_sync << 16 | config->href_to_sync,
- &disp->ref_to_sync);
- WRITEL(config->vsync_width << 16 | config->hsync_width, &disp->sync_width);
- WRITEL(config->vback_porch << 16 | config->hback_porch, &disp->back_porch);
- WRITEL(config->vfront_porch << 16 | config->hfront_porch,
- &disp->front_porch);
+static void print_mode(const struct soc_nvidia_tegra124_config *config)
+{
+ if (config) {
+ int refresh = tegra_dc_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);
+ }
+}
- WRITEL(config->xres | (config->yres << 16), &disp->disp_active);
+static int update_display_mode(struct display_controller *disp_ctrl,
+ struct soc_nvidia_tegra124_config *config)
+{
+ unsigned long div = config->pll_div;
- val = DE_SELECT_ACTIVE << DE_SELECT_SHIFT;
- val |= DE_CONTROL_NORMAL << DE_CONTROL_SHIFT;
- WRITEL(val, &disp->data_enable_opt);
+ print_mode(config);
- val = DATA_FORMAT_DF1P1C << DATA_FORMAT_SHIFT;
- val |= DATA_ALIGNMENT_MSB << DATA_ALIGNMENT_SHIFT;
- val |= DATA_ORDER_RED_BLUE << DATA_ORDER_SHIFT;
- WRITEL(val, &disp->disp_interface_ctrl);
+ WRITEL(0x1, &disp_ctrl->disp.disp_timing_opt);
- /*
- * The pixel clock divider is in 7.1 format (where the bottom bit
- * represents 0.5). Here we calculate the divider needed to get from
- * the display clock (typically 600MHz) to the pixel clock. We round
- * up or down as requried.
- * We use pllp for now.
- */
- rate = 600 * 1000000;
- div = ((rate * 2 + config->pixel_clock / 2) / config->pixel_clock) - 2;
- printk(BIOS_SPEW, "Display clock %d, divider %d\n", rate, div);
+ WRITEL(config->vref_to_sync << 16 | config->href_to_sync,
+ &disp_ctrl->disp.ref_to_sync);
- WRITEL(0x00010001, &disp->shift_clk_opt);
+ WRITEL(config->vsync_width << 16 | config->hsync_width,
+ &disp_ctrl->disp.sync_width);
- val = PIXEL_CLK_DIVIDER_PCD1 << PIXEL_CLK_DIVIDER_SHIFT;
- val |= div << SHIFT_CLK_DIVIDER_SHIFT;
- WRITEL(val, &disp->disp_clk_ctrl);
+ WRITEL(((config->vback_porch - config->vref_to_sync) << 16) | config->hback_porch,
+ &disp_ctrl->disp.back_porch);
- return 0;
-}
+ WRITEL(((config->vfront_porch + config->vref_to_sync) << 16) | config->hfront_porch,
+ &disp_ctrl->disp.front_porch);
-static int setup_window(struct disp_ctl_win *win,
- struct soc_nvidia_tegra124_config *config)
-{
- int log2_bpp = log2(config->framebuffer_bits_per_pixel);
- win->x = 0;
- win->y = 0;
- win->w = config->xres;
- win->h = config->yres;
- win->out_x = 0;
- win->out_y = 0;
- win->out_w = config->xres;
- win->out_h = config->yres;
- win->phys_addr = config->framebuffer_base;
- win->stride = config->xres * (1 << log2_bpp) / 8;
- printk(BIOS_SPEW, "%s: depth = %d\n", __func__, log2_bpp);
- switch (log2_bpp) {
- case 5:
- case 24:
- win->fmt = COLOR_DEPTH_R8G8B8A8;
- win->bpp = 32;
- break;
- case 4:
- win->fmt = COLOR_DEPTH_B5G6R5;
- win->bpp = 16;
- break;
-
- default:
- printk(BIOS_SPEW, "Unsupported LCD bit depth");
- return -1;
- }
+ WRITEL(config->xres | (config->yres << 16),
+ &disp_ctrl->disp.disp_active);
+ WRITEL((PIXEL_CLK_DIVIDER_PCD1 << PIXEL_CLK_DIVIDER_SHIFT) |
+ SHIFT_CLK_DIVIDER(div),
+ &disp_ctrl->disp.disp_clk_ctrl);
return 0;
}
-static void update_window(struct display_controller *dc,
- struct disp_ctl_win *win,
- struct soc_nvidia_tegra124_config *config)
+static void update_window(struct display_controller *disp_ctrl,
+ struct soc_nvidia_tegra124_config *config)
{
- u32 h_dda, v_dda;
u32 val;
- val = READL(&dc->cmd.disp_win_header);
- val |= WINDOW_A_SELECT;
- WRITEL(val, &dc->cmd.disp_win_header);
-
- WRITEL(win->fmt, &dc->win.color_depth);
-
- clrsetbits_le32(&dc->win.byte_swap, BYTE_SWAP_MASK,
- BYTE_SWAP_NOSWAP << BYTE_SWAP_SHIFT);
+ WRITEL(WINDOW_A_SELECT, &disp_ctrl->cmd.disp_win_header);
- val = win->out_x << H_POSITION_SHIFT;
- val |= win->out_y << V_POSITION_SHIFT;
- WRITEL(val, &dc->win.pos);
+ 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);
+ WRITEL(((config->xres * config->framebuffer_bits_per_pixel / 8 + 31) /
+ 32 * 32), &disp_ctrl->win.line_stride);
- val = win->out_w << H_SIZE_SHIFT;
- val |= win->out_h << V_SIZE_SHIFT;
- WRITEL(val, &dc->win.size);
+ WRITEL(config->color_depth, &disp_ctrl->win.color_depth);
- val = (win->w * win->bpp / 8) << H_PRESCALED_SIZE_SHIFT;
- val |= win->h << V_PRESCALED_SIZE_SHIFT;
- WRITEL(val, &dc->win.prescaled_size);
+ WRITEL(config->framebuffer_base, &disp_ctrl->winbuf.start_addr);
+ WRITEL((V_DDA_INC(0x1000) | H_DDA_INC(0x1000)), &disp_ctrl->win.dda_increment);
- WRITEL(0, &dc->win.h_initial_dda);
- WRITEL(0, &dc->win.v_initial_dda);
+ WRITEL(COLOR_WHITE, &disp_ctrl->disp.blend_background_color);
+ WRITEL(DISP_CTRL_MODE_C_DISPLAY, &disp_ctrl->cmd.disp_cmd);
- h_dda = (win->w * 0x1000) / MAX(win->out_w - 1, 1);
- v_dda = (win->h * 0x1000) / MAX(win->out_h - 1, 1);
+ WRITEL(WRITE_MUX_ACTIVE, &disp_ctrl->cmd.state_access);
- val = h_dda << H_DDA_INC_SHIFT;
- val |= v_dda << V_DDA_INC_SHIFT;
- WRITEL(val, &dc->win.dda_increment);
-
- WRITEL(win->stride, &dc->win.line_stride);
- WRITEL(0, &dc->win.buf_stride);
-
- val = WIN_ENABLE;
- if (win->bpp < 24)
- val |= COLOR_EXPAND;
- WRITEL(val, &dc->win.win_opt);
+ val = GENERAL_ACT_REQ | WIN_A_ACT_REQ;
+ val |= GENERAL_UPDATE | WIN_A_UPDATE;
+ WRITEL(val, &disp_ctrl->cmd.state_ctrl);
- WRITEL((u32) win->phys_addr, &dc->winbuf.start_addr);
- WRITEL(win->x, &dc->winbuf.addr_h_offset);
- WRITEL(win->y, &dc->winbuf.addr_v_offset);
+ // Enable win_a
+ val = READL(&disp_ctrl->win.win_opt);
+ WRITEL(val | WIN_ENABLE, &disp_ctrl->win.win_opt);
+}
- WRITEL(0xff00, &dc->win.blend_nokey);
- WRITEL(0xff00, &dc->win.blend_1win);
+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);
- val = GENERAL_ACT_REQ | WIN_A_ACT_REQ;
- val |= GENERAL_UPDATE | WIN_A_UPDATE;
- WRITEL(val, &dc->cmd.state_ctrl);
+ return 0;
}
uint32_t fb_base_mb(void)
@@ -237,16 +204,22 @@ uint32_t fb_base_mb(void)
*/
void display_startup(device_t dev)
{
- u32 val;
- int i;
struct soc_nvidia_tegra124_config *config = dev->chip_info;
- struct display_controller *dc = (void *)config->display_controller;
- struct pwm_controller *pwm = (void *)TEGRA_PWM_BASE;
- struct disp_ctl_win window;
+ struct display_controller *disp_ctrl = (void *)config->display_controller;
+ struct pwm_controller *pwm = (void *)TEGRA_PWM_BASE;
+ struct tegra_dc *dc = &dc_data;
/* should probably just make it all MiB ... in future */
u32 framebuffer_size_mb = config->framebuffer_size / MiB;
u32 framebuffer_base_mb= config->framebuffer_base / MiB;
+
+ /* init dc */
+ dc->base = (void *)TEGRA_ARM_DISPLAYA;
+ dc->config = config;
+ config->dc_data = dc;
+
+ dp_init(config);
+
/* light it all up */
/* This one may have been done in romstage but that's ok for now. */
if (config->panel_vdd_gpio){
@@ -254,13 +227,12 @@ void display_startup(device_t dev)
printk(BIOS_SPEW,"%s: panel_vdd setting gpio %08x to %d\n",
__func__, config->panel_vdd_gpio, 1);
}
- delay(1);
+ udelay(config->vdd_delay_ms * 1000);
if (config->backlight_vdd_gpio){
gpio_output(config->backlight_vdd_gpio, 1);
printk(BIOS_SPEW,"%s: backlight vdd setting gpio %08x to %d\n",
__func__, config->backlight_vdd_gpio, 1);
}
- delay(1);
if (config->lvds_shutdown_gpio){
gpio_output(config->lvds_shutdown_gpio, 0);
printk(BIOS_SPEW,"%s: lvds shutdown setting gpio %08x to %d\n",
@@ -281,10 +253,6 @@ void display_startup(device_t dev)
0x02e), /* frequency divider */
&pwm->pwm[config->pwm].csr);
- printk(BIOS_SPEW,
- "%s: xres %d yres %d framebuffer_bits_per_pixel %d\n",
- __func__,
- config->xres, config->yres, config->framebuffer_bits_per_pixel);
if (framebuffer_size_mb == 0){
framebuffer_size_mb = ALIGN_UP(config->xres * config->yres *
(config->framebuffer_bits_per_pixel / 8), MiB)/MiB;
@@ -293,13 +261,12 @@ void display_startup(device_t dev)
if (! framebuffer_base_mb)
framebuffer_base_mb = fb_base_mb();
+ config->framebuffer_size = framebuffer_size_mb * MiB;
+ config->framebuffer_base = framebuffer_base_mb * MiB;
+
mmu_config_range(framebuffer_base_mb, framebuffer_size_mb,
config->cache_policy);
- /* Enable flushing after LCD writes if requested */
- /* I don't understand this part yet.
- lcd_set_flush_dcache(config.cache_type & FDT_LCD_CACHE_FLUSH);
- */
printk(BIOS_SPEW, "LCD frame buffer at %dMiB to %dMiB\n", framebuffer_base_mb,
framebuffer_base_mb + framebuffer_size_mb);
@@ -311,63 +278,34 @@ void display_startup(device_t dev)
* light things up here once we're sure it's all working.
*/
- /* init dc_a */
- init_dca_regs();
+ /* Init dc */
+ if (tegra_dc_init(disp_ctrl)) {
+ printk(BIOS_ERR, "dc: init failed\n");
+ return;
+ }
- /* power up perip */
- dp_io_powerup();
+ /* Configure dc mode */
+ update_display_mode(disp_ctrl, config);
- /* bringup dp */
- dp_bringup(framebuffer_base_mb*MiB);
+ /* Enable dp */
+ dp_enable(dc->out);
- /* init frame buffer */
+ /* Init frame buffer */
memset((void *)(framebuffer_base_mb*MiB), 0x00,
framebuffer_size_mb*MiB);
+ update_window(disp_ctrl, config);
+
+ printk(BIOS_INFO, "%s: display init done.\n", __func__);
+
/* tell depthcharge ...
*/
struct edid edid;
- edid.x_resolution = 1376;
- edid.y_resolution = 768;
- edid.bytes_per_line = 1376 * 2;
- edid.framebuffer_bits_per_pixel = 16;
+ edid.bytes_per_line = ((config->xres * config->framebuffer_bits_per_pixel / 8 + 31) /
+ 32 * 32);
+ edid.x_resolution = edid.bytes_per_line / (config->framebuffer_bits_per_pixel / 8);
+ edid.y_resolution = config->yres;
+ edid.framebuffer_bits_per_pixel = config->framebuffer_bits_per_pixel;
set_vbe_mode_info_valid(&edid, (uintptr_t)(framebuffer_base_mb*MiB));
-
- if (0){
-/* do we still need these? */
- WRITEL(0x00000100, &dc->cmd.gen_incr_syncpt_ctrl);
- WRITEL(0x0000011a, &dc->cmd.cont_syncpt_vsync);
- WRITEL(0x00000000, &dc->cmd.int_type);
- WRITEL(0x00000000, &dc->cmd.int_polarity);
- WRITEL(0x00000000, &dc->cmd.int_mask);
- WRITEL(0x00000000, &dc->cmd.int_enb);
-
- val = PW0_ENABLE | PW1_ENABLE | PW2_ENABLE;
- val |= PW3_ENABLE | PW4_ENABLE | PM0_ENABLE;
- val |= PM1_ENABLE;
- WRITEL(val, &dc->cmd.disp_pow_ctrl);
-
- val = READL(&dc->cmd.disp_cmd);
- val |= CTRL_MODE_C_DISPLAY << CTRL_MODE_SHIFT;
- WRITEL(val, &dc->cmd.disp_cmd);
-
- WRITEL(0x00000020, &dc->disp.mem_high_pri);
- WRITEL(0x00000001, &dc->disp.mem_high_pri_timer);
-
- for (i = 0; i < PIN_REG_COUNT; i++) {
- WRITEL(rgb_enb_tab[i], &dc->com.pin_output_enb[i]);
- WRITEL(rgb_polarity_tab[i], &dc->com.pin_output_polarity[i]);
- WRITEL(rgb_data_tab[i], &dc->com.pin_output_data[i]);
- }
-
- for (i = 0; i < PIN_OUTPUT_SEL_COUNT; i++)
- WRITEL(rgb_sel_tab[i], &dc->com.pin_output_sel[i]);
-
- if (config->pixel_clock)
- update_display_mode(&dc->disp, config);
-
- if (!setup_window(&window, config))
- update_window(dc, &window, config);
- }
}
diff --git a/src/soc/nvidia/tegra124/displayhack.c b/src/soc/nvidia/tegra124/displayhack.c
deleted file mode 100644
index af0ac16673..0000000000
--- a/src/soc/nvidia/tegra124/displayhack.c
+++ /dev/null
@@ -1,738 +0,0 @@
-/* this is too ugly to be allowed to live. But it's what works for now. */
-/*
- * This file is part of the coreboot project.
- *
- * Copyright 2013 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 <stdlib.h>
-#include <string.h>
-#include <cpu/cpu.h>
-#include <boot/tables.h>
-#include <cbmem.h>
-#include <soc/nvidia/tegra/dc.h>
-#include "clk_rst.h"
-#include <soc/clock.h>
-#include "chip.h"
-#include "sor.h"
-#include <soc/display.h>
-
-//#include <soc/nvidia/tegra/displayport.h>
-extern int dump;
-unsigned long READL(void *p);
-void WRITEL(unsigned long value, void *p);
-void debug_dpaux_print(u32 addr, u32 size);
-int dpaux_write(u32 addr, u32 size, u32 data);
-int dpaux_read(u32 addr, u32 size, u8 * data);
-
-#define DCA_WRITE(reg, val) \
- { \
- WRITEL(val, (void *)(TEGRA_ARM_DISPLAYA + (reg<<2))); \
- }
-#define DCA_READ_M_WRITE(reg, mask, val) \
- { \
- u32 _reg_val; \
- _reg_val = READL( (void *)(TEGRA_ARM_DISPLAYA + (reg<<2))); \
- _reg_val &= ~mask; \
- _reg_val |= val; \
- WRITEL(_reg_val, (void *)(TEGRA_ARM_DISPLAYA + (reg<<2))); \
- }
-
-#define SOR_WRITE(reg, val) \
- { \
- WRITEL(val, (void *)(TEGRA_ARM_SOR + (reg<<2))); \
- }
-
-#define SOR_READ(reg) READL((void *)(TEGRA_ARM_SOR + (reg<<2)))
-
-#define SOR_READ_M_WRITE(reg, mask, val) \
- { \
- u32 _reg_val; \
- _reg_val = READL((void *)(TEGRA_ARM_SOR + (reg<<2))); \
- _reg_val &= ~mask; \
- _reg_val |= val; \
- WRITEL(_reg_val, (void *)(TEGRA_ARM_SOR + (reg<<2))); \
- }
-
-#define DPAUX_WRITE(reg, val) \
- { \
- WRITEL(val, (void *)(TEGRA_ARM_DPAUX + (reg<<2))); \
- }
-#define DPAUX_READ(reg) READL((void *)(TEGRA_ARM_DPAUX + (reg<<2)))
-
-void init_dca_regs(void)
-{
- DCA_WRITE (DC_CMD_DISPLAY_WINDOW_HEADER_0, 0x000000F0);
- DCA_WRITE (DC_WIN_A_WIN_OPTIONS_0, 0x00000000);
- DCA_WRITE (DC_WIN_A_BYTE_SWAP_0, 0x00000000);
- DCA_WRITE (DC_WIN_A_BUFFER_CONTROL_0, 0x00000000);
- DCA_WRITE (DC_WIN_A_COLOR_DEPTH_0, 0x0000000C);
-
- DCA_WRITE (DC_WIN_A_POSITION_0, 0x00000000);
- DCA_WRITE (DC_WIN_A_SIZE_0, 0x00000000);
- DCA_WRITE (DC_WIN_A_PRESCALED_SIZE_0, 0x00000000);
- DCA_WRITE (DC_WIN_A_H_INITIAL_DDA_0, 0x00000000);
- DCA_WRITE (DC_WIN_A_V_INITIAL_DDA_0, 0x00000000);
- DCA_WRITE (DC_WIN_A_DDA_INCREMENT_0, 0x00000000);
- DCA_WRITE (DC_WIN_A_LINE_STRIDE_0, 0x00000000);
- DCA_WRITE (DC_WIN_A_DV_CONTROL_0, 0x00000000);
-
- DCA_WRITE (DC_WIN_A_BLEND_LAYER_CONTROL_0, 0x01000000);
- DCA_WRITE (DC_WIN_A_BLEND_MATCH_SELECT_0, 0x00000000);
- DCA_WRITE (DC_WIN_A_BLEND_NOMATCH_SELECT_0, 0x00000000);
- DCA_WRITE (DC_WIN_A_BLEND_ALPHA_1BIT_0, 0x00000000);
-
- DCA_WRITE (DC_WINBUF_A_START_ADDR_HI_0, 0x00000000);
- DCA_WRITE (DC_WINBUF_A_ADDR_H_OFFSET_0, 0x00000000);
- DCA_WRITE (DC_WINBUF_A_ADDR_V_OFFSET_0, 0x00000000);
- DCA_WRITE (DC_CMD_DISPLAY_WINDOW_HEADER_0, 0x00000000);
-
- DCA_WRITE (DC_COM_CRC_CONTROL_0, 0x00000000);
- DCA_WRITE (DC_COM_CRC_CHECKSUM_0, 0x00000000);
- DCA_WRITE (DC_COM_PIN_OUTPUT_ENABLE0_0, 0x00000000);
- DCA_WRITE (DC_COM_PIN_OUTPUT_ENABLE1_0, 0x00000000);
- DCA_WRITE (DC_COM_PIN_OUTPUT_ENABLE2_0, 0x00510104);
- DCA_WRITE (DC_COM_PIN_OUTPUT_ENABLE3_0, 0x00000555);
-}
-
-static int dp_poll_register(void *addr, u32 exp_val, u32 mask, u32 timeout_ms)
-{
- u32 reg_val = 0;
-
- do {
- udelay(1000);
- reg_val = READL(addr);
- } while (((reg_val & mask) != exp_val) && (--timeout_ms > 0));
-
- if ((reg_val & mask) == exp_val)
- return 0; /* success */
- printk(BIOS_WARNING, "poll_register %p: timeout\n", addr);
- return timeout_ms;
-}
-
-static void dp_io_set_dpd(u32 power_down)
-{
- /*
- * power_down:
- * 0: out of Deep power down
- * 1: into deep power down
- */
- u32 val_reg;
-
- val_reg = READL((void *)(0x7000e400 + 0x1c4)); /* APBDEV_PMC_IO_DPD2_STATUS_0 */
- if ((((val_reg & DP_LVDS) >> DP_LVDS_SHIFT) & 1) == power_down) {
- printk(BIOS_DEBUG, "PAD already POWER=%d\n", 1 - power_down);
- return;
- }
-
- /* APBDEV_PMC_IO_DPD2_REQ_0: E_DPD = power on */
- WRITEL((DP_LVDS | ((1 + power_down) << 30)), (void *)(0x7000e400 + 0x1c0));
-
- dp_poll_register((void *)(0x7000e400 + 0x1C4), 0, DP_LVDS, 1000);
- /* APBDEV_PMC_IO_DPD2_STATUS_0 */
-}
-
-void dp_io_powerup(void)
-{
- SOR_WRITE(SOR_NV_PDISP_SOR_CLK_CNTRL_0, (6 << 2) | 2);//select PLLDP, lowest speed(6x)
- SOR_WRITE(SOR_NV_PDISP_SOR_DP_PADCTL0_0, 0x00800000); //set PDCAL
- SOR_WRITE(SOR_NV_PDISP_SOR_PLL0_0, 0x050003D5); //set PWR,VCOPD
- SOR_WRITE(SOR_NV_PDISP_SOR_PLL1_0, 0x00001100); //default
- SOR_WRITE(SOR_NV_PDISP_SOR_PLL2_0, 0x01C20000); //set AUX1,6,7,8; clr AUX2
- SOR_WRITE(SOR_NV_PDISP_SOR_PLL3_0, 0x38002220);
-
- /* Deassert E_DPD to enable core logic circuits, and wait for > 5us */
- dp_io_set_dpd(0);
- udelay(10);
-
- /* Deassert PDBG to enable bandgap, and wait for > 20us. */
- SOR_READ_M_WRITE(SOR_NV_PDISP_SOR_PLL2_0,
- SOR_NV_PDISP_SOR_PLL2_0_AUX6_FIELD,
- (0 << SOR_NV_PDISP_SOR_PLL2_0_AUX6_SHIFT));
- udelay(25);
-
- /*
- * Enable the PLL/charge-pump/VCO, and wait for >200us for the PLL to
- * lock. Input Clock must be running and stable before PDPLL
- * de-assertion.
- */
- SOR_READ_M_WRITE(SOR_NV_PDISP_SOR_PLL0_0,
- SOR_NV_PDISP_SOR_PLL0_0_PWR_FIELD,
- (0 << SOR_NV_PDISP_SOR_PLL0_0_PWR_SHIFT));
- SOR_READ_M_WRITE(SOR_NV_PDISP_SOR_PLL0_0,
- SOR_NV_PDISP_SOR_PLL0_0_VCOPD_FIELD,
- (0 << SOR_NV_PDISP_SOR_PLL0_0_VCOPD_SHIFT));
- SOR_READ_M_WRITE(SOR_NV_PDISP_SOR_PLL2_0,
- SOR_NV_PDISP_SOR_PLL2_0_AUX8_FIELD,
- (0 << SOR_NV_PDISP_SOR_PLL2_0_AUX8_SHIFT));
- udelay(210);
-
- SOR_READ_M_WRITE(SOR_NV_PDISP_SOR_PLL2_0,
- SOR_NV_PDISP_SOR_PLL2_0_AUX7_FIELD,
- (0 << SOR_NV_PDISP_SOR_PLL2_0_AUX7_SHIFT));
- SOR_READ_M_WRITE(SOR_NV_PDISP_SOR_PLL2_0,
- SOR_NV_PDISP_SOR_PLL2_0_AUX9_FIELD,
- (1 << SOR_NV_PDISP_SOR_PLL2_0_AUX9_SHIFT));
- udelay(100);
-
-}
-
-static int dpaux_check(u32 bytes, u32 data, u32 mask)
-{
- u32 status = 0;
- u8 buf[16];
- u32 temp;
-
- DPAUX_WRITE(DPAUX_DP_AUXDATA_READ_W0, 0);
- status = dpaux_read(0x202, bytes, buf);
- if (status != 0)
- printk(BIOS_ERR, "******AuxRead Error:%04x: status %08x\n",
- 0x202, status);
- else {
- temp = DPAUX_READ(DPAUX_DP_AUXDATA_READ_W0);
- if ((temp & mask) != (data & mask)) {
- printk(BIOS_ERR, "AuxCheck ERROR:(r_data) %08x &"
- " (mask) %08x != (data) %08x & (mask) %08x\n",
- temp, mask, data, mask);
- return -1;
- } else {
- printk(BIOS_DEBUG, "AuxCheck PASS:(bytes=%d, "
- "data=%08x, mask=%08x):0x%08x\n",
- bytes, data, mask, temp);
- return 0;
- }
- }
- return -1;
-}
-
-/* Modify the drive parameters for DP. There are up to four DP
- * lanes. In principle, each lane can have different current,
- * pre-emphasis, and postcur values. Nobody individualizes them; every
- * single driver I've seen drives all the lanes to the same value
- * (across x86 and ARM code). Actualy adjusting them individually and
- * getting it all to work is probably a PhD thesis anyway. So, rather
- * than the very complex code we see many places, the people who wrote
- * this code realize: we can represent the 'volume' as a number in the
- * range 0..3, with '0' as the base and '3' as being 'not to exceed'.
- *
- * So they abstract the values away, take care of the proper values,
- * and set it all in one blow. Very nice. By far the easiest one of
- * these functions we've seen. Sure, they could have constants, but
- * nobody knows what PRE_EMPHASIS_3_5 and the other values actually
- * *mean* anyway. Well, the hardware guys might.
- */
-static void pattern_level(u32 current, u32 preemph, u32 postcur)
-{
- //calibrating required
- if (current == 0)
- SOR_WRITE(SOR_NV_PDISP_SOR_LANE_DRIVE_CURRENT0_0, 0x20202020);
- if (current == 1)
- SOR_WRITE(SOR_NV_PDISP_SOR_LANE_DRIVE_CURRENT0_0, 0x24242424);
- if (current == 2)
- SOR_WRITE(SOR_NV_PDISP_SOR_LANE_DRIVE_CURRENT0_0, 0x30303030);
- if (current == 3)
- SOR_WRITE(SOR_NV_PDISP_SOR_LANE_DRIVE_CURRENT0_0, 0x40404040);
- if (preemph == 0)
- SOR_WRITE(SOR_NV_PDISP_SOR_LANE_PREEMPHASIS0_0, 0x00000000);
- if (preemph == 1)
- SOR_WRITE(SOR_NV_PDISP_SOR_LANE_PREEMPHASIS0_0, 0x08080808);
- if (preemph == 2)
- SOR_WRITE(SOR_NV_PDISP_SOR_LANE_PREEMPHASIS0_0, 0x10101010);
- if (preemph == 3)
- SOR_WRITE(SOR_NV_PDISP_SOR_LANE_PREEMPHASIS0_0, 0x18181818);
- if (postcur == 0)
- SOR_WRITE(SOR_NV_PDISP_SOR_POSTCURSOR0_0, 0x00000000);
- if (postcur == 1)
- SOR_WRITE(SOR_NV_PDISP_SOR_POSTCURSOR0_0, 0x04040404);
- if (postcur == 2)
- SOR_WRITE(SOR_NV_PDISP_SOR_POSTCURSOR0_0, 0x08080808);
- if (postcur == 3)
- SOR_WRITE(SOR_NV_PDISP_SOR_POSTCURSOR0_0, 0x10101010);
-}
-
-static int dp_training(u32 level, u32 check, u32 speed)
-{
- /* The levels are one of four choices. This code
- * packs them into the three lowest nibl's. We may change this.
- */
- u32 dc_lv = level & 0x0f;
- u32 pe_lv = (level >> 4) & 0x0f;
- u32 pc_lv = (level >> 8) & 0x0f;
- u32 cnt = 0;
- u32 cfg, cfg_d = 0;
- u32 wcfg;
- u8 buf[16];
-
- while (cnt <= 5) {
- pattern_level(dc_lv, pe_lv, pc_lv);
- wcfg = (pe_lv << 3) | dc_lv;
- if (dc_lv == 3)
- wcfg = wcfg | 0x04;
- if (pe_lv == 3)
- wcfg = wcfg | 0x20;
- wcfg = wcfg | (wcfg << 8) | (wcfg << 16) | (wcfg << 24);
- dpaux_write(0x103, 4, wcfg);
- udelay(100);
- DPAUX_WRITE(DPAUX_DP_AUXDATA_READ_W0, 0);
- if (!dpaux_check(2, check, check))
- cnt = 100;
- else {
- dpaux_read(0x206, 1, buf);
- cfg = DPAUX_READ(DPAUX_DP_AUXDATA_READ_W0);
- cfg &= 0x00ff;
- if (cfg == cfg_d) {
- ++cnt;
- if (cnt > 5)
- printk(BIOS_ERR, "Error: link training FAILED\n");
- } else {
- cnt = 0;
- cfg_d = cfg;
- dc_lv = cfg & 0x3;
- pe_lv = (cfg >> 2) & 0x3;
- if (speed == 20) {
- dpaux_read(0x20C, 1, buf);
- cfg = DPAUX_READ(DPAUX_DP_AUXDATA_READ_W0);
- pc_lv = cfg & 0x3;
- } else {
- pc_lv = 0;
- }
- }
-
- }
- debug_dpaux_print(0x200, 16);
- }
-
- return ((pc_lv << 8) | (pe_lv << 4) | (dc_lv));
-
-}
-
-void dp_link_training(u32 lanes, u32 speed);
-void dp_link_training(u32 lanes, u32 speed)
-{
- u32 lane_on;
- u32 mask, level;
- u32 reg_val;
-
- printk(BIOS_DEBUG, "\nLink training start\n");
-
- switch (lanes) {
- case 1:
- lane_on = 0x04;
- break;
- case 2:
- lane_on = 0x06;
- break;
- case 4:
- lane_on = 0x0f;
- break;
- default:
- printk(BIOS_DEBUG, "dp: invalid lane count: %d\n",
- lanes);
- return;
- }
-
- SOR_WRITE(SOR_NV_PDISP_SOR_DP_PADCTL0_0, (0x008000000 | lane_on));
- SOR_READ_M_WRITE(SOR_NV_PDISP_SOR_DP_PADCTL0_0,
- SOR_NV_PDISP_SOR_DP_PADCTL0_0_TX_PU_VALUE_FIELD,
- (6 << SOR_NV_PDISP_SOR_DP_PADCTL0_0_TX_PU_VALUE_SHIFT));
- SOR_READ_M_WRITE(SOR_NV_PDISP_SOR_DP_PADCTL0_0,
- SOR_NV_PDISP_SOR_DP_PADCTL0_0_TX_PU_FIELD,
- (1 << SOR_NV_PDISP_SOR_DP_PADCTL0_0_TX_PU_SHIFT));
- SOR_WRITE(SOR_NV_PDISP_SOR_LVDS_0, 0);
-
- SOR_WRITE(SOR_NV_PDISP_SOR_CLK_CNTRL_0, ((speed << 2) | 2));
- udelay(100 * 1000);
-
- sor_clock_start();
-
- SOR_WRITE(SOR_NV_PDISP_SOR_DP_LINKCTL0_0,
- (((0xF >> (4 - lanes)) << 16) | 1));
-
- SOR_WRITE(SOR_NV_PDISP_SOR_LANE_SEQ_CTL_0, 0x80100000);
- printk(BIOS_DEBUG, "Polling SOR_NV_PDISP_SOR_LANE_SEQ_CTL_0.DONE\n");
-
- dp_poll_register((void *)0x54540084, 0x00000000, 0x80000000, 1000);
-
- debug_dpaux_print(0x202, 4);
-
- printk(BIOS_DEBUG, "set link rate and lane number: %dMHz, %d lanes\n",
- (speed * 27), lanes);
-
- dpaux_write(0x100, 2, ((lanes << 8) | speed));
- printk(BIOS_DEBUG, "precharge lane 10us\n");
- reg_val = SOR_READ(SOR_NV_PDISP_SOR_DP_PADCTL0_0);
- SOR_WRITE(SOR_NV_PDISP_SOR_DP_PADCTL0_0, (0x000000f0 | reg_val));
- udelay(100 * 1000);
- SOR_WRITE(SOR_NV_PDISP_SOR_DP_PADCTL0_0, reg_val);
-
- printk(BIOS_DEBUG, "link training cr start\n");
- SOR_WRITE(SOR_NV_PDISP_SOR_DP_TPG_0, 0x41414141);
- dpaux_write(0x102, 1, 0x21);
-
- mask = 0x0000ffff >> ((4 - lanes) * 4);
- level = 0;
- level = dp_training(level, 0x1111 & mask, speed);
- printk(BIOS_DEBUG, "level:%x\n", level);
-
- debug_dpaux_print(0x210, 16);
-
- printk(BIOS_DEBUG, "link training eq start\n");
- if (speed == 20) {
- SOR_WRITE(SOR_NV_PDISP_SOR_DP_TPG_0, 0x43434343);
- dpaux_write(0x102, 1, 0x23);
- } else {
- SOR_WRITE(SOR_NV_PDISP_SOR_DP_TPG_0, 0x42424242);
- dpaux_write(0x102, 1, 0x22);
- }
-
- level = dp_training(level, (0x7777 & mask) | 0x10000, speed);
- printk(BIOS_DEBUG, "level:%x\n", level);
-
- debug_dpaux_print(0x210, 16);
-
- SOR_WRITE(SOR_NV_PDISP_SOR_DP_TPG_0, 0x50505050);
- dpaux_write(0x102, 1, 0);
- dpaux_write(0x600, 1, 1);
-
- debug_dpaux_print(0x200, 16);
- debug_dpaux_print(0x210, 16);
-
- printk(BIOS_DEBUG, "Link training done\n\n");
-}
-
-static u32 div_f(u32 a, u32 b, u32 one)
-{
- u32 d = (((a - (a / b * b)) * one) + (b / 2)) / b;
- return (d);
-}
-
-u32 dp_setup_timing(u32 width, u32 height)
-{
- u32 pclk_freq = 0;
-
- u32 PLL_FREQ = (12 / 12 * 283) / 1 / 2; /* 141.5 */
- u32 PLL_DIV = 2;
- u32 SYNC_WIDTH = (8 << 16) | 46;
- u32 BACK_PORCH = (6 << 16) | 44;
- u32 FRONT_PORCH = (6 << 16) | 44;
- u32 HSYNC_NEG = 1;
- u32 VSYNC_NEG = 1;
-
- u32 SHIFT_CLK_DIVIDER = PLL_DIV * 2 - 2;
- u32 DISP_ACTIVE = (height << 16) | width;
- u32 DISP_TOTAL = DISP_ACTIVE + SYNC_WIDTH + BACK_PORCH + FRONT_PORCH;
- u32 SYNC_END = SYNC_WIDTH - 0x10001;
- u32 BLANK_END = SYNC_END + BACK_PORCH;
- u32 BLANK_START = BLANK_END + DISP_ACTIVE;
- u32 TOTAL_PIXELS = (DISP_TOTAL & 0xffff) * (DISP_TOTAL >> 16);
-
- u32 PLL_FREQ_I, PLL_FREQ_F;
- u32 PCLK_FREQ_I, PCLK_FREQ_F;
- u32 FRATE_I, FRATE_F;
-
- PLL_FREQ = PLL_FREQ * 1000000;
- pclk_freq = PLL_FREQ / PLL_DIV;
- PLL_FREQ_I = PLL_FREQ / 1000000;
- PLL_FREQ_F = div_f(PLL_FREQ, 1000000, 100);
- PCLK_FREQ_I = PLL_FREQ / (PLL_DIV * 1000000);
- PCLK_FREQ_F = div_f(PLL_FREQ, PLL_DIV * 1000000, 100);
- FRATE_I = PLL_FREQ / (PLL_DIV * TOTAL_PIXELS);
- FRATE_F = div_f(PLL_FREQ, (PLL_DIV * TOTAL_PIXELS), 100);
- /* nv_bug 1021453 */
- BACK_PORCH = BACK_PORCH - 0x10000;
- FRONT_PORCH = FRONT_PORCH + 0x10000;
-
- printk(BIOS_DEBUG, "ACTIVE: %dx%d\n", (DISP_ACTIVE & 0xFFFF),
- (DISP_ACTIVE >> 16));
- printk(BIOS_DEBUG, "TOTAL: %dx%d\n", (DISP_TOTAL & 0xffff),
- (DISP_TOTAL >> 16));
- printk(BIOS_DEBUG, "PLL Freq: %d.%d MHz\n", PLL_FREQ_I, PLL_FREQ_F);
- printk(BIOS_DEBUG, "Pclk Freq: %d.%d MHz\n", PCLK_FREQ_I,
- PCLK_FREQ_F);
- printk(BIOS_DEBUG, "Frame Rate: %d.%d Hz\n", FRATE_I, FRATE_F);
- printk(BIOS_DEBUG, "\n");
-
- DCA_WRITE(DC_CMD_STATE_ACCESS_0, 0x00000004);
- DCA_WRITE(DC_DISP_DISP_CLOCK_CONTROL_0, SHIFT_CLK_DIVIDER);
- //Raster Timing
- DCA_WRITE(DC_DISP_DISP_TIMING_OPTIONS_0, 0x00000001);
- DCA_WRITE(DC_DISP_REF_TO_SYNC_0, 0x00010001);
- DCA_WRITE(DC_DISP_SYNC_WIDTH_0, SYNC_WIDTH);
- DCA_WRITE(DC_DISP_BACK_PORCH_0, BACK_PORCH);
- DCA_WRITE(DC_DISP_DISP_ACTIVE_0, DISP_ACTIVE);
- DCA_WRITE(DC_DISP_FRONT_PORCH_0, FRONT_PORCH);
-
- //REG(DC_DISP_DISP_WIN_OPTIONS_0, SOR_ENABLE , 1)
- DCA_READ_M_WRITE(DC_DISP_DISP_WIN_OPTIONS_0,
- DC_DISP_DISP_WIN_OPTIONS_0_SOR_ENABLE_FIELD,
- (1 << DC_DISP_DISP_WIN_OPTIONS_0_SOR_ENABLE_SHIFT));
-
- SOR_WRITE(SOR_NV_PDISP_HEAD_STATE1_0, DISP_TOTAL);
- SOR_WRITE(SOR_NV_PDISP_HEAD_STATE2_0, SYNC_END);
- SOR_WRITE(SOR_NV_PDISP_HEAD_STATE3_0, BLANK_END);
- SOR_WRITE(SOR_NV_PDISP_HEAD_STATE4_0, BLANK_START);
-
- SOR_READ_M_WRITE(SOR_NV_PDISP_SOR_STATE1_0,
- SOR_NV_PDISP_SOR_STATE1_0_ASY_HSYNCPOL_FIELD,
- (HSYNC_NEG <<
- SOR_NV_PDISP_SOR_STATE1_0_ASY_HSYNCPOL_SHIFT));
-
- SOR_READ_M_WRITE(SOR_NV_PDISP_SOR_STATE1_0,
- SOR_NV_PDISP_SOR_STATE1_0_ASY_VSYNCPOL_FIELD,
- (VSYNC_NEG <<
- SOR_NV_PDISP_SOR_STATE1_0_ASY_VSYNCPOL_SHIFT));
-
- SOR_READ_M_WRITE(SOR_NV_PDISP_SOR_STATE1_0,
- SOR_NV_PDISP_SOR_STATE1_0_ASY_PROTOCOL_FIELD,
- (SOR_NV_PDISP_SOR_STATE1_0_ASY_PROTOCOL_DP_A <<
- SOR_NV_PDISP_SOR_STATE1_0_ASY_PROTOCOL_SHIFT));
-
- SOR_READ_M_WRITE(SOR_NV_PDISP_SOR_STATE1_0,
- SOR_NV_PDISP_SOR_STATE1_0_ASY_CRCMODE_FIELD,
- (SOR_NV_PDISP_SOR_STATE1_0_ASY_CRCMODE_COMPLETE_RASTER <<
- SOR_NV_PDISP_SOR_STATE1_0_ASY_CRCMODE_SHIFT));
-
- SOR_READ_M_WRITE(SOR_NV_PDISP_SOR_STATE1_0,
- SOR_NV_PDISP_SOR_STATE1_0_ASY_SUBOWNER_FIELD,
- (SOR_NV_PDISP_SOR_STATE1_0_ASY_SUBOWNER_NONE <<
- SOR_NV_PDISP_SOR_STATE1_0_ASY_SUBOWNER_SHIFT));
-
- SOR_READ_M_WRITE(SOR_NV_PDISP_SOR_STATE1_0,
- SOR_NV_PDISP_SOR_STATE1_0_ASY_OWNER_FIELD,
- (SOR_NV_PDISP_SOR_STATE1_0_ASY_OWNER_HEAD0 <<
- SOR_NV_PDISP_SOR_STATE1_0_ASY_OWNER_SHIFT));
- return pclk_freq;
-}
-
-static u32 calc_config(u32 ts, u32 a, u32 b, u32 bpp)
-{
- u32 act_cnt = (ts * a) / b;
- u32 diff = (ts * a) - (act_cnt * b);
- u32 act_pol;
- u32 act_frac;
- u32 err;
- u32 water_mark;
-
- printk(BIOS_DEBUG, "calc_config ts %d a %d b %d bpp %d\n",
- ts, a, b, bpp);
- if (diff != 0) {
- if (diff > (b / 2)) {
- diff = b - diff;
- act_pol = 1;
- act_frac = (b + diff - 1) / diff;
- err = diff * act_frac - b;
- } else {
- act_pol = 0;
- act_frac = b / diff;
- err = b - (diff * act_frac);
- }
- if (act_frac > 15) {
- act_pol = 1 - act_pol;
- act_frac = 1;
- err = diff;
- }
- } else {
- act_pol = 1;
- act_frac = 1;
- err = 0;
- }
-
- if (bpp) {
- water_mark = (a * (b - a) * ts / (b * b)) + (2 * bpp / 8);
- if (water_mark > 30)
- water_mark = 30;
-
- SOR_WRITE(SOR_NV_PDISP_SOR_DP_CONFIG0_0, 0x84000000);
- SOR_READ_M_WRITE(SOR_NV_PDISP_SOR_DP_CONFIG0_0,
- SOR_NV_PDISP_SOR_DP_CONFIG0_0_ACTIVESYM_POLARITY_FIELD,
- (act_pol <<
- SOR_NV_PDISP_SOR_DP_CONFIG0_0_ACTIVESYM_POLARITY_SHIFT));
- SOR_READ_M_WRITE(SOR_NV_PDISP_SOR_DP_CONFIG0_0,
- SOR_NV_PDISP_SOR_DP_CONFIG0_0_ACTIVESYM_FRAC_FIELD,
- (act_frac <<
- SOR_NV_PDISP_SOR_DP_CONFIG0_0_ACTIVESYM_FRAC_SHIFT));
- SOR_READ_M_WRITE(SOR_NV_PDISP_SOR_DP_CONFIG0_0,
- SOR_NV_PDISP_SOR_DP_CONFIG0_0_ACTIVESYM_COUNT_FIELD,
- (act_cnt <<
- SOR_NV_PDISP_SOR_DP_CONFIG0_0_ACTIVESYM_COUNT_SHIFT));
- SOR_READ_M_WRITE(SOR_NV_PDISP_SOR_DP_CONFIG0_0,
- SOR_NV_PDISP_SOR_DP_CONFIG0_0_WATERMARK_FIELD,
- (water_mark <<
- SOR_NV_PDISP_SOR_DP_CONFIG0_0_WATERMARK_SHIFT));
-
- printk(BIOS_DEBUG,
- "SOR_DP_CONFIG0:TU,CNT,POL,FRAC,WMK,ERR=%d,%d,%d,%d,%d,%d/%d\n",
- ts, act_cnt, act_pol, act_frac, water_mark, err, b);
- }
- return (err);
-}
-
-static u32 dp_buf_config(u32 pclkfreq, u32 linkfreq, u32 lanes, u32 bpp)
-{
- //to avoid 32bit overflow
- u32 tusize = 0;
- u32 pf = pclkfreq;
- u32 lf = linkfreq;
- u32 i;
- u32 a, b;
- u32 min_err = 1000000000;
- u32 ts = 64;
- u32 c_err;
-
- printk(BIOS_DEBUG, "dp buf config pclkfreq %d linkfreq %d lanes %d bpp %d\n",
- pclkfreq, linkfreq, lanes, bpp);
- for (i = 2; i <= 7; ++i) {
- while (((pf / i * i) == pf) && ((lf / i * i) == lf)) {
- pf = pf / i;
- lf = lf / i;
- }
- }
-
- a = pf * bpp / 8;
- b = lf * lanes;
- printk(BIOS_DEBUG, "ratio:%d/%d\n", a, b);
- if (a > (b * 98 / 100))
- printk(BIOS_ERR, "Error:link speed not enough\n");
-
- //search best tusize
- //min_err = 1000000000;
- //ts = 64;
- while (ts >= 32) {
- c_err = calc_config(ts, a, b, 0);
- if (c_err < min_err) {
- if (c_err == 0) {
- tusize = ts;
- ts = 1;
- } else {
- min_err = c_err;
- tusize = ts;
- }
- }
- --ts;
- }
-
- SOR_READ_M_WRITE(SOR_NV_PDISP_SOR_DP_LINKCTL0_0,
- SOR_NV_PDISP_SOR_DP_LINKCTL0_0_TUSIZE_FIELD,
- (tusize << SOR_NV_PDISP_SOR_DP_LINKCTL0_0_TUSIZE_SHIFT));
- calc_config(tusize, a, b, bpp);
-
- return (tusize);
-}
-
-/*
-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);
-*/
-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)
-{
- u32 tusize;
- u32 linkctl;
-
- printk(BIOS_DEBUG, "%s: winb: 0x%08x, panel_bpp %d ",
- __func__, winb_addr, panel_bpp);
-
- if (panel_bpp == 18) {
- //0x54540010
- SOR_READ_M_WRITE(SOR_NV_PDISP_SOR_STATE1_0,
- SOR_NV_PDISP_SOR_STATE1_0_ASY_PIXELDEPTH_FIELD,
- (SOR_NV_PDISP_SOR_STATE1_0_ASY_PIXELDEPTH_BPP_18_444 <<
- SOR_NV_PDISP_SOR_STATE1_0_ASY_PIXELDEPTH_SHIFT));
- }
- if (panel_bpp == 24) {
- SOR_READ_M_WRITE(SOR_NV_PDISP_SOR_STATE1_0,
- SOR_NV_PDISP_SOR_STATE1_0_ASY_PIXELDEPTH_FIELD,
- (SOR_NV_PDISP_SOR_STATE1_0_ASY_PIXELDEPTH_BPP_24_444 <<
- SOR_NV_PDISP_SOR_STATE1_0_ASY_PIXELDEPTH_SHIFT));
- }
-
- DCA_WRITE(DC_CMD_DISPLAY_WINDOW_HEADER_0, 0x00000010);
- DCA_WRITE(DC_WIN_A_SIZE_0, ((height << 16) | width));
- DCA_WRITE(DC_WIN_A_PRESCALED_SIZE_0,
- ((height << 16) | (width * SRC_BPP / 8)));
- DCA_WRITE(DC_WIN_A_LINE_STRIDE_0,
- ((width * SRC_BPP / 8 + 31) / 32 * 32));
- DCA_WRITE(DC_WIN_A_COLOR_DEPTH_0, COLORDEPTH);
- DCA_WRITE(DC_WINBUF_A_START_ADDR_LO_0, winb_addr);
- DCA_WRITE(DC_WIN_A_DDA_INCREMENT_0, 0x10001000);
-
- SOR_WRITE(SOR_NV_PDISP_SOR_CRC_CNTRL_0, 0x00000001);
- DCA_WRITE(DC_COM_CRC_CONTROL_0, 0x00000009); //CRC_ALWAYS+CRC_ENABLE
- DCA_WRITE(DC_COM_PIN_OUTPUT_ENABLE2_0, 0x00000000);
- DCA_WRITE(DC_COM_PIN_OUTPUT_ENABLE3_0, 0x00000000);
- DCA_WRITE(DC_DISP_DISP_SIGNAL_OPTIONS0_0, 0x00000000);
- DCA_WRITE(DC_DISP_BLEND_BACKGROUND_COLOR_0, COLOR_WHITE);
- DCA_WRITE(DC_CMD_DISPLAY_COMMAND_0, 0x00000020);
- SOR_WRITE(SOR_NV_PDISP_SOR_DP_AUDIO_VBLANK_SYMBOLS_0, 0x00000e48);
-
- dpaux_write(0x101, 1, (enhanced_framing << 7) | lane_count);
- if (panel_edp)
- dpaux_write(0x10A, 1, 1);
-
- tusize =
- dp_buf_config(pclkfreq, (linkfreq * 1000000), lane_count, panel_bpp);
-
- linkctl =
- ((0xF >> (4 - lane_count)) << 16) | (enhanced_framing << 14) | (tusize
- << 2) |
- 1;
-
- SOR_WRITE(SOR_NV_PDISP_SOR_DP_LINKCTL0_0, linkctl);
- SOR_WRITE(SOR_NV_PDISP_SOR_DP_SPARE0_0, ((panel_edp << 1) | 0x05));
-
- SOR_WRITE(SOR_NV_PDISP_SOR_PWR_0, 0x80000001);
- printk(BIOS_DEBUG, "Polling SOR_NV_PDISP_SOR_PWR_0.DONE\n");
- dp_poll_register((void *)0x54540054, 0x00000000, 0x80000000, 1000);
- //SOR_NV_PDISP_SOR_PWR_0
- //sor_update
- SOR_WRITE(SOR_NV_PDISP_SOR_STATE0_0, 0x00000000);
- SOR_WRITE(SOR_NV_PDISP_SOR_SUPER_STATE1_0, 0x00000006);
- //sor_super_update
- SOR_WRITE(SOR_NV_PDISP_SOR_SUPER_STATE0_0, 0x00000000);
- SOR_WRITE(SOR_NV_PDISP_SOR_SUPER_STATE1_0, 0x0000000e);
- //sor_super_update
- SOR_WRITE(SOR_NV_PDISP_SOR_SUPER_STATE0_0, 0x00000000);
- printk(BIOS_DEBUG, "Polling SOR_NV_PDISP_SOR_TEST_0.ATTACHED\n");
- dp_poll_register((void *)0x54540058, 0x00000400, 0x00000400, 1000);
- //SOR_NV_PDISP_SOR_TEST_0
-
- DCA_WRITE(DC_CMD_STATE_CONTROL_0, 0x00009f00);
- DCA_WRITE(DC_CMD_STATE_CONTROL_0, 0x0000009f);
- DCA_WRITE(DC_CMD_DISPLAY_POWER_CONTROL_0, 0x00050155);
-
- printk(BIOS_DEBUG, "Polling SOR_NV_PDISP_SOR_TEST_0.AWAKE\n");
- dp_poll_register((void *)0x54540058, 0x00000200, 0x00000300, 1000);
- //SOR_NV_PDISP_SOR_TEST_0
-
- // DCA_WRITE (DC_CMD_STATE_ACCESS_0 ,0);
- DCA_WRITE(DC_CMD_STATE_ACCESS_0, 4);
- DCA_WRITE(DC_CMD_STATE_CONTROL_0, 0x0000ffff);
-
- DCA_READ_M_WRITE(DC_WIN_A_WIN_OPTIONS_0,
- DC_WIN_A_WIN_OPTIONS_0_A_WIN_ENABLE_FIELD,
- (DC_WIN_A_WIN_OPTIONS_0_A_WIN_ENABLE_ENABLE <<
- DC_WIN_A_WIN_OPTIONS_0_A_WIN_ENABLE_SHIFT));
-}
diff --git a/src/soc/nvidia/tegra124/dp.c b/src/soc/nvidia/tegra124/dp.c
index 6b0f4c8698..a9da269da9 100644
--- a/src/soc/nvidia/tegra124/dp.c
+++ b/src/soc/nvidia/tegra124/dp.c
@@ -24,12 +24,11 @@
#include <soc/addressmap.h>
#include <soc/nvidia/tegra/i2c.h>
#include <soc/nvidia/tegra/dc.h>
+#include "chip.h"
#include "sor.h"
#include <soc/nvidia/tegra/displayport.h>
-extern int dump;
-unsigned long READL(void *p);
-void WRITEL(unsigned long value, void *p);
+struct tegra_dc_dp_data dp_data;
static inline u32 tegra_dpaux_readl(struct tegra_dc_dp_data *dp, u32 reg)
{
@@ -182,35 +181,6 @@ static int tegra_dc_dpaux_write_chunk(struct tegra_dc_dp_data *dp, u32 cmd,
return -1;
}
-static int tegra_dc_dpaux_write(struct tegra_dc_dp_data *dp, u32 cmd, u32 addr,
- u8 *data, u32 *size, u32 *aux_stat)
-{
- u32 cur_size = 0;
- u32 finished = 0;
- u32 cur_left;
- int ret = 0;
-
- do {
- cur_size = *size - finished;
- if (cur_size > DP_AUX_MAX_BYTES)
- cur_size = DP_AUX_MAX_BYTES;
- cur_left = cur_size;
- ret = tegra_dc_dpaux_write_chunk(dp, cmd, addr,
- data, &cur_left, aux_stat);
-
- cur_size -= cur_left;
- finished += cur_size;
- addr += cur_size;
- data += cur_size;
-
- if (ret)
- break;
- } while (*size > finished);
-
- *size = finished;
- return ret;
-}
-
static int tegra_dc_dpaux_read_chunk(struct tegra_dc_dp_data *dp, u32 cmd,
u32 addr, u8 *data, u32 *size,
u32 *aux_stat)
@@ -235,12 +205,10 @@ static int tegra_dc_dpaux_read_chunk(struct tegra_dc_dp_data *dp, u32 cmd,
return -1;
}
- if (0) {
- *aux_stat = tegra_dpaux_readl(dp, DPAUX_DP_AUXSTAT);
- if (!(*aux_stat & DPAUX_DP_AUXSTAT_HPD_STATUS_PLUGGED)) {
- printk(BIOS_SPEW, "dp: HPD is not detected\n");
- //return EFAULT;
- }
+ *aux_stat = tegra_dpaux_readl(dp, DPAUX_DP_AUXSTAT);
+ if (!(*aux_stat & DPAUX_DP_AUXSTAT_HPD_STATUS_PLUGGED)) {
+ printk(BIOS_SPEW, "dp: HPD is not detected\n");
+ return -1;
}
tegra_dpaux_writel(dp, DPAUX_DP_AUXADDR, addr);
@@ -262,8 +230,6 @@ static int tegra_dc_dpaux_read_chunk(struct tegra_dc_dp_data *dp, u32 cmd,
printk(BIOS_INFO, "dp: aux read transaction timeout\n");
*aux_stat = tegra_dpaux_readl(dp, DPAUX_DP_AUXSTAT);
- printk(BIOS_DEBUG, "dp: %s: aux stat: 0x%08x\n", __func__,
- *aux_stat);
if ((*aux_stat & DPAUX_DP_AUXSTAT_TIMEOUT_ERROR_PENDING) ||
(*aux_stat & DPAUX_DP_AUXSTAT_RX_ERROR_PENDING) ||
@@ -309,8 +275,6 @@ static int tegra_dc_dpaux_read_chunk(struct tegra_dc_dp_data *dp, u32 cmd,
DPAUX_DP_AUXDATA_READ_W(i));
*size = ((*aux_stat) & DPAUX_DP_AUXSTAT_REPLY_M_MASK);
- printk(BIOS_INFO, "dp: aux read data %d bytes\n",
- *size);
memcpy(data, temp_data, *size);
return 0;
@@ -325,230 +289,407 @@ static int tegra_dc_dpaux_read_chunk(struct tegra_dc_dp_data *dp, u32 cmd,
return -1;
}
-int tegra_dc_dpaux_read(struct tegra_dc_dp_data *dp, u32 cmd, u32 addr,
- u8 * data, u32 * size, u32 * aux_stat)
+static int tegra_dc_dp_dpcd_read(struct tegra_dc_dp_data *dp, u32 cmd,
+ u8 * data_ptr)
{
- u32 finished = 0;
- u32 cur_size;
- int ret = 0;
-
- do {
- cur_size = *size - finished;
- if (cur_size > DP_AUX_MAX_BYTES)
- cur_size = DP_AUX_MAX_BYTES;
-
- ret = tegra_dc_dpaux_read_chunk(dp, cmd, addr,
- data, &cur_size, aux_stat);
-
- /* cur_size should be the real size returned */
- addr += cur_size;
- data += cur_size;
- finished += cur_size;
-
- if (ret)
- break;
+ u32 size = 1;
+ u32 status = 0;
+ int ret;
- } while (*size > finished);
+ ret = tegra_dc_dpaux_read_chunk(dp, DPAUX_DP_AUXCTL_CMD_AUXRD,
+ cmd, data_ptr, &size, &status);
+ if (ret)
+ printk(BIOS_ERR,
+ "dp: Failed to read DPCD data. CMD 0x%x, Status 0x%x\n",
+ cmd, status);
- *size = finished;
return ret;
}
-static int tegra_dc_dp_dpcd_read(struct tegra_dc_dp_data *dp, u32 cmd,
- u8 * data_ptr)
+static int tegra_dc_dp_dpcd_write(struct tegra_dc_dp_data *dp, u32 cmd,
+ u8 data)
{
u32 size = 1;
u32 status = 0;
int ret;
- ret = tegra_dc_dpaux_read_chunk(dp, DPAUX_DP_AUXCTL_CMD_AUXRD,
- cmd, data_ptr, &size, &status);
+ ret = tegra_dc_dpaux_write_chunk(dp, DPAUX_DP_AUXCTL_CMD_AUXWR,
+ cmd, &data, &size, &status);
if (ret)
printk(BIOS_ERR,
- "dp: Failed to read DPCD data. CMD 0x%x, Status 0x%x\n", cmd,
- status);
-
+ "dp: Failed to write DPCD data. CMD 0x%x, Status 0x%x\n",
+ cmd, status);
return ret;
}
-static int tegra_dc_dp_init_max_link_cfg(struct tegra_dc_dp_data *dp,
- struct tegra_dc_dp_link_config *cfg)
+static void tegra_dc_dpaux_enable(struct tegra_dc_dp_data *dp)
{
- u8 dpcd_data;
- int ret;
+ /* clear interrupt */
+ tegra_dpaux_writel(dp, DPAUX_INTR_AUX, 0xffffffff);
+ /* do not enable interrupt for now. Enable them when Isr in place */
+ tegra_dpaux_writel(dp, DPAUX_INTR_EN_AUX, 0x0);
+
+ tegra_dpaux_writel(dp, DPAUX_HYBRID_PADCTL,
+ DPAUX_HYBRID_PADCTL_AUX_DRVZ_OHM_50 |
+ DPAUX_HYBRID_PADCTL_AUX_CMH_V0_70 |
+ 0x18 << DPAUX_HYBRID_PADCTL_AUX_DRVI_SHIFT |
+ DPAUX_HYBRID_PADCTL_AUX_INPUT_RCV_ENABLE);
+
+ tegra_dpaux_writel(dp, DPAUX_HYBRID_SPARE,
+ DPAUX_HYBRID_SPARE_PAD_PWR_POWERUP);
+}
- ret = tegra_dc_dp_dpcd_read(dp, NV_DPCD_MAX_LANE_COUNT, &dpcd_data);
- if (ret)
- return ret;
+static void tegra_dc_dp_dump_link_cfg(struct tegra_dc_dp_data *dp,
+ const struct tegra_dc_dp_link_config *link_cfg)
+{
+ printk(BIOS_INFO, "DP config: cfg_name "
+ "cfg_value\n");
+ printk(BIOS_INFO, " Lane Count %d\n",
+ link_cfg->max_lane_count);
+ printk(BIOS_INFO, " SupportEnhancedFraming %s\n",
+ link_cfg->support_enhanced_framing ? "Y" : "N");
+ printk(BIOS_INFO, " Bandwidth %d\n",
+ link_cfg->max_link_bw);
+ printk(BIOS_INFO, " bpp %d\n",
+ link_cfg->bits_per_pixel);
+ printk(BIOS_INFO, " EnhancedFraming %s\n",
+ link_cfg->enhanced_framing ? "Y" : "N");
+ printk(BIOS_INFO, " Scramble_enabled %s\n",
+ link_cfg->scramble_ena ? "Y" : "N");
+ printk(BIOS_INFO, " LinkBW %d\n",
+ link_cfg->link_bw);
+ printk(BIOS_INFO, " lane_count %d\n",
+ link_cfg->lane_count);
+ printk(BIOS_INFO, " activespolarity %d\n",
+ link_cfg->activepolarity);
+ printk(BIOS_INFO, " active_count %d\n",
+ link_cfg->active_count);
+ printk(BIOS_INFO, " tu_size %d\n",
+ link_cfg->tu_size);
+ printk(BIOS_INFO, " active_frac %d\n",
+ link_cfg->active_frac);
+ printk(BIOS_INFO, " watermark %d\n",
+ link_cfg->watermark);
+ printk(BIOS_INFO, " hblank_sym %d\n",
+ link_cfg->hblank_sym);
+ printk(BIOS_INFO, " vblank_sym %d\n",
+ link_cfg->vblank_sym);
+};
+
+/* Calcuate if given cfg can meet the mode request. */
+/* Return true if mode is possible, false otherwise. */
+static int tegra_dc_dp_calc_config(struct tegra_dc_dp_data *dp,
+ const struct soc_nvidia_tegra124_config *config,
+ struct tegra_dc_dp_link_config *link_cfg)
+{
+ const u32 link_rate = 27 * link_cfg->link_bw * 1000 * 1000;
+ const u64 f = 100000; /* precision factor */
+
+ u32 num_linkclk_line; /* Number of link clocks per line */
+ u64 ratio_f; /* Ratio of incoming to outgoing data rate */
+
+ u64 frac_f;
+ u64 activesym_f; /* Activesym per TU */
+ u64 activecount_f;
+ u32 activecount;
+ u32 activepolarity;
+ u64 approx_value_f;
+ u32 activefrac = 0;
+ u64 accumulated_error_f = 0;
+ u32 lowest_neg_activecount = 0;
+ u32 lowest_neg_activepolarity = 0;
+ u32 lowest_neg_tusize = 64;
+ u32 num_symbols_per_line;
+ u64 lowest_neg_activefrac = 0;
+ u64 lowest_neg_error_f = 64 * f;
+ u64 watermark_f;
+
+ int i;
+ int neg;
+
+ if (!link_rate || !link_cfg->lane_count || !config->pixel_clock ||
+ !link_cfg->bits_per_pixel)
+ return -1;
- cfg->max_lane_count = dpcd_data & NV_DPCD_MAX_LANE_COUNT_MASK;
- printk(BIOS_INFO, "%s: max_lane_count: %d\n", __func__,
- cfg->max_lane_count);
+ if ((u64)config->pixel_clock * link_cfg->bits_per_pixel >=
+ (u64)link_rate * 8 * link_cfg->lane_count)
+ return -1;
- cfg->support_enhanced_framing =
- (dpcd_data & NV_DPCD_MAX_LANE_COUNT_ENHANCED_FRAMING_YES) ? 1 : 0;
- printk(BIOS_INFO, "%s: enh-framing: %d\n", __func__,
- cfg->support_enhanced_framing);
+ num_linkclk_line = (u32)((u64)link_rate * (u64)config->xres / config->pixel_clock);
- ret = tegra_dc_dp_dpcd_read(dp, NV_DPCD_MAX_DOWNSPREAD, &dpcd_data);
- if (ret)
- return ret;
- cfg->downspread = (dpcd_data & NV_DPCD_MAX_DOWNSPREAD_VAL_0_5_PCT) ? 1 : 0;
- printk(BIOS_INFO, "%s: downspread: %d\n", __func__, cfg->downspread);
+ ratio_f = (u64)config->pixel_clock * link_cfg->bits_per_pixel * f;
+ ratio_f /= 8;
+ ratio_f = (u64)(ratio_f / (link_rate * link_cfg->lane_count));
- ret = tegra_dc_dp_dpcd_read(dp, NV_DPCD_MAX_LINK_BANDWIDTH,
- &cfg->max_link_bw);
- if (ret)
- return ret;
- printk(BIOS_INFO, "%s: max_link_bw: %d\n", __func__, cfg->max_link_bw);
+ for (i = 64; i >= 32; --i) {
+ activesym_f = ratio_f * i;
+ activecount_f = (u64)(activesym_f / (u32)f) * f;
+ frac_f = activesym_f - activecount_f;
+ activecount = (u32)((u64)(activecount_f / (u32)f));
- // cfg->bits_per_pixel = dp->dc->pdata->default_out->depth;
- cfg->bits_per_pixel = 18;
+ if (frac_f < (f / 2)) /* fraction < 0.5 */
+ activepolarity = 0;
+ else {
+ activepolarity = 1;
+ frac_f = f - frac_f;
+ }
- /* TODO: need to come from the board file */
- /* Venice2 settings */
- cfg->drive_current = 0x20202020;
- cfg->preemphasis = 0;
- cfg->postcursor = 0;
+ if (frac_f != 0) {
+ frac_f = (u64)((f * f) / frac_f); /* 1/fraction */
+ if (frac_f > (15 * f))
+ activefrac = activepolarity ? 1 : 15;
+ else
+ activefrac = activepolarity ?
+ (u32)((u64)(frac_f / (u32)f)) + 1 :
+ (u32)((u64)(frac_f / (u32)f));
+ }
+
+ if (activefrac == 1)
+ activepolarity = 0;
+
+ if (activepolarity == 1)
+ approx_value_f = activefrac ? (u64)(
+ (activecount_f + (activefrac * f - f) * f) /
+ (activefrac * f)) :
+ activecount_f + f;
+ else
+ approx_value_f = activefrac ?
+ activecount_f + (u64)(f / activefrac) :
+ activecount_f;
+
+ if (activesym_f < approx_value_f) {
+ accumulated_error_f = num_linkclk_line *
+ (u64)((approx_value_f - activesym_f) / i);
+ neg = 1;
+ } else {
+ accumulated_error_f = num_linkclk_line *
+ (u64)((activesym_f - approx_value_f) / i);
+ neg = 0;
+ }
+
+ if ((neg && (lowest_neg_error_f > accumulated_error_f)) ||
+ (accumulated_error_f == 0)) {
+ lowest_neg_error_f = accumulated_error_f;
+ lowest_neg_tusize = i;
+ lowest_neg_activecount = activecount;
+ lowest_neg_activepolarity = activepolarity;
+ lowest_neg_activefrac = activefrac;
+
+ if (accumulated_error_f == 0)
+ break;
+ }
+ }
+
+ if (lowest_neg_activefrac == 0) {
+ link_cfg->activepolarity = 0;
+ link_cfg->active_count = lowest_neg_activepolarity ?
+ lowest_neg_activecount : lowest_neg_activecount - 1;
+ link_cfg->tu_size = lowest_neg_tusize;
+ link_cfg->active_frac = 1;
+ } else {
+ link_cfg->activepolarity = lowest_neg_activepolarity;
+ link_cfg->active_count = (u32)lowest_neg_activecount;
+ link_cfg->tu_size = lowest_neg_tusize;
+ link_cfg->active_frac = (u32)lowest_neg_activefrac;
+ }
+
+ watermark_f = (u64)((ratio_f * link_cfg->tu_size * (f - ratio_f)) / f);
+ link_cfg->watermark = (u32)((u64)((watermark_f + lowest_neg_error_f) /
+ f)) + link_cfg->bits_per_pixel / 4 - 1;
+ num_symbols_per_line = (config->xres * link_cfg->bits_per_pixel) /
+ (8 * link_cfg->lane_count);
+
+ if (link_cfg->watermark > 30) {
+ printk(BIOS_INFO,
+ "dp: sor setting: unable to get a good tusize, "
+ "force watermark to 30.\n");
+ link_cfg->watermark = 30;
+ return -1;
+ } else if (link_cfg->watermark > num_symbols_per_line) {
+ printk(BIOS_INFO,
+ "dp: sor setting: force watermark to the number "
+ "of symbols in the line.\n");
+ link_cfg->watermark = num_symbols_per_line;
+ return -1;
+ }
+
+ /* Refer to dev_disp.ref for more information. */
+ /* # symbols/hblank = ((SetRasterBlankEnd.X + SetRasterSize.Width - */
+ /* SetRasterBlankStart.X - 7) * link_clk / pclk) */
+ /* - 3 * enhanced_framing - Y */
+ /* where Y = (# lanes == 4) 3 : (# lanes == 2) ? 6 : 12 */
+ link_cfg->hblank_sym = (int)((u64)(((u64)(config->hback_porch +
+ config->hfront_porch + config->hsync_width - 7) *
+ link_rate) / config->pixel_clock)) -
+ 3 * link_cfg->enhanced_framing -
+ (12 / link_cfg->lane_count);
+
+ if (link_cfg->hblank_sym < 0)
+ link_cfg->hblank_sym = 0;
+
+
+ /* Refer to dev_disp.ref for more information. */
+ /* # symbols/vblank = ((SetRasterBlankStart.X - */
+ /* SetRasterBlankEen.X - 25) * link_clk / pclk) */
+ /* - Y - 1; */
+ /* where Y = (# lanes == 4) 12 : (# lanes == 2) ? 21 : 39 */
+ link_cfg->vblank_sym = (int)((u64)((u64)(config->xres - 25)
+ * link_rate / config->pixel_clock)) - (36 /
+ link_cfg->lane_count) - 4;
+
+ if (link_cfg->vblank_sym < 0)
+ link_cfg->vblank_sym = 0;
+
+ link_cfg->is_valid = 1;
+ tegra_dc_dp_dump_link_cfg(dp, link_cfg);
- ret = tegra_dc_dp_dpcd_read(dp, NV_DPCD_EDP_CONFIG_CAP, &dpcd_data);
- if (ret)
- return ret;
- cfg->alt_scramber_reset_cap =
- (dpcd_data & NV_DPCD_EDP_CONFIG_CAP_ASC_RESET_YES) ? 1 : 0;
- cfg->only_enhanced_framing =
- (dpcd_data & NV_DPCD_EDP_CONFIG_CAP_FRAMING_CHANGE_YES) ? 1 : 0;
- printk(BIOS_DEBUG, "%s: alt_reset_cap: %d, only_enh_framing: %d\n",
- __func__, cfg->alt_scramber_reset_cap, cfg->only_enhanced_framing);
-
- cfg->lane_count = cfg->max_lane_count;
- cfg->link_bw = NV_SOR_LINK_SPEED_G1_62;
- cfg->enhanced_framing = cfg->support_enhanced_framing;
return 0;
}
-struct tegra_dc_dp_data dp_data;
-
-static int tegra_dc_dpcd_read_rev(struct tegra_dc_dp_data *dp, u8 * rev)
+static int tegra_dc_dp_init_link_cfg(
+ struct soc_nvidia_tegra124_config *config,
+ struct tegra_dc_dp_data *dp,
+ struct tegra_dc_dp_link_config *link_cfg)
{
- u32 size;
+ u8 dpcd_data;
int ret;
- u32 status = 0;
- size = 3;
- ret = tegra_dc_dpaux_read(dp, DPAUX_DP_AUXCTL_CMD_AUXRD,
- NV_DPCD_REV, rev, &size, &status);
- if (ret) {
- printk(BIOS_WARNING, "dp: Failed to read NV_DPCD_REV\n");
- return ret;
- }
+ link_cfg->max_lane_count = config->lane_count;
+ link_cfg->support_enhanced_framing = config->enhanced_framing;
+ link_cfg->max_link_bw = config->link_bw;
+ link_cfg->drive_current = config->drive_current;
+ link_cfg->preemphasis = config->preemphasis;
+ link_cfg->postcursor = config->postcursor;
+ link_cfg->bits_per_pixel = config->panel_bits_per_pixel;
+
+ CHECK_RET(tegra_dc_dp_dpcd_read(dp, NV_DPCD_EDP_CONFIG_CAP,
+ &dpcd_data));
+ link_cfg->alt_scramber_reset_cap =
+ (dpcd_data & NV_DPCD_EDP_CONFIG_CAP_ASC_RESET_YES) ?
+ 1 : 0;
+ link_cfg->only_enhanced_framing =
+ (dpcd_data & NV_DPCD_EDP_CONFIG_CAP_FRAMING_CHANGE_YES) ?
+ 1 : 0;
+
+ link_cfg->lane_count = link_cfg->max_lane_count;
+ link_cfg->link_bw = link_cfg->max_link_bw;
+ link_cfg->enhanced_framing = link_cfg->support_enhanced_framing;
+
+ tegra_dc_dp_calc_config(dp, config, link_cfg);
return 0;
}
-u32 dp_setup_timing(u32 width, u32 height);
-void dp_bringup(u32 winb_addr)
+void dp_init(void * _config)
{
+ struct soc_nvidia_tegra124_config *config = (void *)_config;
+ struct tegra_dc *dc = config->dc_data;
struct tegra_dc_dp_data *dp = &dp_data;
- u32 dpcd_rev;
- u32 pclk_freq;
-
- u32 xres = 1366; /* norrin display */
- u32 yres = 768;
+ // set up links among config, dc, dp and sor
+ dp->dc = dc;
+ dc->out = dp;
+ dp->sor.dc = dc;
+ dp->sor.power_is_up = 0;
dp->sor.base = (void *)TEGRA_ARM_SOR;
+ dp->sor.pmc_base = (void *)TEGRA_PMC_BASE;
dp->sor.portnum = 0;
-
+ dp->sor.link_cfg = &dp->link_cfg;
dp->aux_base = (void *)TEGRA_ARM_DPAUX;
+ dp->link_cfg.is_valid = 0;
+ dp->enabled = 0;
+}
- /* read panel info */
- if (!tegra_dc_dpcd_read_rev(dp, (u8 *)&dpcd_rev)) {
- printk(BIOS_INFO, "PANEL info:\n");
- printk(BIOS_INFO, "--DPCP version(%#x): %d.%d\n",
- dpcd_rev, (dpcd_rev >> 4) & 0x0f,
- (dpcd_rev & 0x0f));
- }
-
- if (tegra_dc_dp_init_max_link_cfg(dp, &dp->link_cfg))
- printk(BIOS_ERR, "dp: failed to init link configuration\n");
-
- dp_link_training((u32) (dp->link_cfg.lane_count),
- (u32) (dp->link_cfg.link_bw));
-
- pclk_freq = dp_setup_timing(xres, yres);
- printk(BIOS_DEBUG, "%s: pclk_freq: %d\n", __func__, pclk_freq);
+static void tegra_dp_hpd_config(struct tegra_dc_dp_data *dp,
+ struct soc_nvidia_tegra124_config *config)
+{
+ u32 val;
+ val = config->hpd_plug_min_us |
+ (config->hpd_unplug_min_us <<
+ DPAUX_HPD_CONFIG_UNPLUG_MIN_TIME_SHIFT);
+ tegra_dpaux_writel(dp, DPAUX_HPD_CONFIG, val);
- 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);
+ tegra_dpaux_writel(dp, DPAUX_HPD_IRQ_CONFIG, config->hpd_irq_min_us);
+}
- dp_misc_setting(dp->link_cfg.bits_per_pixel,
- xres, yres, winb_addr,
- (u32) dp->link_cfg.lane_count,
- (u32) dp->link_cfg.enhanced_framing,
- (u32) dp->link_cfg.alt_scramber_reset_cap,
- pclk_freq, dp->link_cfg.link_bw * 27);
+static int tegra_dp_hpd_plug(struct tegra_dc_dp_data *dp, int timeout_ms)
+{
+ u32 val;
+ u32 timeout = timeout_ms * 1000;
+ do {
+ val = tegra_dpaux_readl(dp, DPAUX_DP_AUXSTAT);
+ if (val & DPAUX_DP_AUXSTAT_HPD_STATUS_PLUGGED)
+ return 0;
+ udelay(100);
+ timeout -= 100;
+ } while (timeout > 0);
+ return -1;
}
-void debug_dpaux_print(u32 addr, u32 size)
+void dp_enable(void * _dp)
{
- struct tegra_dc_dp_data *dp = &dp_data;
- u32 status = 0;
- u8 buf[16];
- int i;
+ struct tegra_dc_dp_data *dp = _dp;
+ struct tegra_dc *dc = dp->dc;
+ struct soc_nvidia_tegra124_config *config = dc->config;
- if ((size == 0) || (size > 16)) {
- printk(BIOS_ERR, "dp: %s: invalid size %d\n", __func__, size);
- return;
- }
+ u8 data;
+ u32 retry;
+ int ret;
+
+ tegra_dc_dpaux_enable(dp);
- if (tegra_dc_dpaux_read(dp, DPAUX_DP_AUXCTL_CMD_AUXRD,
- addr, buf, &size, &status)) {
- printk(BIOS_ERR, "******AuxRead Error: 0x%04x: status 0x%08x\n",
- addr, status);
- return;
+ tegra_dp_hpd_config(dp, config);
+ if (tegra_dp_hpd_plug(dp, config->vdd_to_hpd_delay_ms) < 0) {
+ printk(BIOS_ERR, "dp: hpd plug failed\n");
+ goto error_enable;
}
- printk(BIOS_DEBUG, "%s: addr: 0x%04x, size: %d\n", __func__,
- addr, size);
- for (i = 0; i < size; ++i)
- printk(BIOS_DEBUG, " %02x", buf[i]);
- printk(BIOS_DEBUG, "\n");
-}
+ if (tegra_dc_dp_init_link_cfg(config, dp, &dp->link_cfg)) {
+ printk(BIOS_ERR, "dp: failed to init link configuration\n");
+ goto error_enable;
+ }
-int dpaux_read(u32 addr, u32 size, u8 * data)
-{
+ tegra_dc_sor_enable_dp(&dp->sor);
- struct tegra_dc_dp_data *dp = &dp_data;
- u32 status = 0;
+ tegra_dc_sor_set_panel_power(&dp->sor, 1);
- if ((size == 0) || (size > 16)) {
- printk(BIOS_ERR, "dp: %s: invalid size %d\n", __func__, size);
- return -1;
+ /* Write power on to DPCD */
+ data = NV_DPCD_SET_POWER_VAL_D0_NORMAL;
+ retry = 0;
+ do {
+ ret = tegra_dc_dp_dpcd_write(dp,
+ NV_DPCD_SET_POWER, data);
+ } while ((retry++ < DP_POWER_ON_MAX_TRIES) && ret);
+
+ if (ret || retry >= DP_POWER_ON_MAX_TRIES) {
+ printk(BIOS_ERR,
+ "dp: failed to power on panel (0x%x)\n", ret);
+ goto error_enable;
}
- if (tegra_dc_dpaux_read(dp, DPAUX_DP_AUXCTL_CMD_AUXRD,
- addr, data, &size, &status)) {
- printk(BIOS_ERR, "dp: Failed to read reg %#x, status: %#x\n",
- addr, status);
- return -1;
+ /* Confirm DP is plugging status */
+ if (!(tegra_dpaux_readl(dp, DPAUX_DP_AUXSTAT) &
+ DPAUX_DP_AUXSTAT_HPD_STATUS_PLUGGED)) {
+ printk(BIOS_ERR, "dp: could not detect HPD\n");
+ goto error_enable;
}
- return 0;
-}
+ /* Check DP version */
+ if (tegra_dc_dp_dpcd_read(dp, NV_DPCD_REV, &dp->revision))
+ printk(BIOS_ERR,
+ "dp: failed to read the revision number from sink\n");
-int dpaux_write(u32 addr, u32 size, u32 data)
-{
- struct tegra_dc_dp_data *dp = &dp_data;
- u32 status = 0;
- int ret;
+ tegra_dc_sor_set_power_state(&dp->sor, 1);
+ tegra_dc_sor_attach(&dp->sor);
- ret = tegra_dc_dpaux_write(dp, DPAUX_DP_AUXCTL_CMD_AUXWR,
- addr, (u8 *) & data, &size, &status);
- if (ret)
- printk(BIOS_ERR, "dp: Failed to write to reg %#x, status: 0x%x\n",
- addr, status);
- return ret;
+ /*
+ * Power down the unused lanes to save power
+ * (about hundreds milli-watts, varies from boards).
+ */
+ tegra_dc_sor_power_down_unused_lanes(&dp->sor);
+
+ dp->enabled = 1;
+error_enable:
+ return;
}
diff --git a/src/soc/nvidia/tegra124/include/soc/display.h b/src/soc/nvidia/tegra124/include/soc/display.h
index 36348ff0c3..980d2b38db 100644
--- a/src/soc/nvidia/tegra124/include/soc/display.h
+++ b/src/soc/nvidia/tegra124/include/soc/display.h
@@ -17,185 +17,10 @@
#ifndef __SOC_NVIDIA_TEGRA124_INCLUDE_SOC_DISPLAY_H__
#define __SOC_NVIDIA_TEGRA124_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
struct soc_nvidia_tegra124_config; /* forward declaration */
void setup_display(struct soc_nvidia_tegra124_config *config);
-void init_dca_regs(void);
-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);
#define FB_SIZE_MB (32)
diff --git a/src/soc/nvidia/tegra124/soc.c b/src/soc/nvidia/tegra124/soc.c
index bc47954790..08a4cf8e13 100644
--- a/src/soc/nvidia/tegra124/soc.c
+++ b/src/soc/nvidia/tegra124/soc.c
@@ -21,8 +21,10 @@
#include <console/console.h>
#include <device/device.h>
+#include <arch/io.h>
#include <soc/nvidia/tegra/dc.h>
#include <soc/nvidia/tegra124/sdram.h>
+#include "chip.h"
#include <soc/display.h>
/* this sucks, but for now, fb size/location are hardcoded.
diff --git a/src/soc/nvidia/tegra124/sor.c b/src/soc/nvidia/tegra124/sor.c
index 6a47833bef..3ff39ed0f2 100644
--- a/src/soc/nvidia/tegra124/sor.c
+++ b/src/soc/nvidia/tegra124/sor.c
@@ -54,17 +54,18 @@
#define APBDEV_PMC_IO_DPD2_STATUS_LVDS_OFF (0 << 25)
#define APBDEV_PMC_IO_DPD2_STATUS_LVDS_ON (1 << 25)
-
static inline u32 tegra_sor_readl(struct tegra_dc_sor_data *sor, u32 reg)
{
- u32 reg_val = readl((sor->base + reg * 4));
+ void *addr = sor->base + (u32) (reg << 2);
+ u32 reg_val = READL(addr);
return reg_val;
}
static inline void tegra_sor_writel(struct tegra_dc_sor_data *sor,
u32 reg, u32 val)
{
- writel(val, (sor->base + reg * 4));
+ void *addr = sor->base + (u32) (reg << 2);
+ WRITEL(val, addr);
}
static inline void tegra_sor_write_field(struct tegra_dc_sor_data *sor,
@@ -76,8 +77,61 @@ static inline void tegra_sor_write_field(struct tegra_dc_sor_data *sor,
tegra_sor_writel(sor, reg, reg_val);
}
+static u32 tegra_dc_sor_poll_register(struct tegra_dc_sor_data *sor,
+ u32 reg, u32 mask, u32 exp_val, u32 poll_interval_us, u32 timeout_us)
+{
+ u32 temp = timeout_us;
+ u32 reg_val = 0;
+
+ do {
+ udelay(poll_interval_us);
+ reg_val = tegra_sor_readl(sor, reg);
+ if (timeout_us > poll_interval_us)
+ timeout_us -= poll_interval_us;
+ else
+ break;
+ } while ((reg_val & mask) != exp_val);
+
+ if ((reg_val & mask) == exp_val)
+ return 0; /* success */
+ printk(BIOS_ERR,
+ "sor_poll_register 0x%x: timeout, "
+ "(reg_val)0x%08x & (mask)0x%08x != (exp_val)0x%08x\n",
+ reg, reg_val, mask, exp_val);
+
+ return temp;
+}
+
+int tegra_dc_sor_set_power_state(struct tegra_dc_sor_data *sor, int pu_pd)
+{
+ u32 reg_val;
+ u32 orig_val;
+
+ orig_val = tegra_sor_readl(sor, NV_SOR_PWR);
+
+ reg_val = pu_pd ? NV_SOR_PWR_NORMAL_STATE_PU :
+ NV_SOR_PWR_NORMAL_STATE_PD; /* normal state only */
+
+ if (reg_val == orig_val)
+ return 0; /* No update needed */
+
+ reg_val |= NV_SOR_PWR_SETTING_NEW_TRIGGER;
+ tegra_sor_writel(sor, NV_SOR_PWR, reg_val);
+
+ /* Poll to confirm it is done */
+ if (tegra_dc_sor_poll_register(sor, NV_SOR_PWR,
+ NV_SOR_PWR_SETTING_NEW_DEFAULT_MASK,
+ NV_SOR_PWR_SETTING_NEW_DONE,
+ 100, TEGRA_SOR_TIMEOUT_MS * 1000)) {
+ printk(BIOS_ERR,
+ "dc timeout waiting for SOR_PWR = NEW_DONE\n");
+ return -EFAULT;
+ }
+ return 0;
+}
+
void tegra_dc_sor_set_dp_linkctl(struct tegra_dc_sor_data *sor, int ena,
- u8 training_pattern, const struct tegra_dc_dp_link_config *cfg)
+ u8 training_pattern, const struct tegra_dc_dp_link_config *link_cfg)
{
u32 reg_val;
@@ -89,20 +143,20 @@ void tegra_dc_sor_set_dp_linkctl(struct tegra_dc_sor_data *sor, int ena,
reg_val &= NV_SOR_DP_LINKCTL_ENABLE_NO;
reg_val &= ~NV_SOR_DP_LINKCTL_TUSIZE_MASK;
- reg_val |= (cfg->tu_size << NV_SOR_DP_LINKCTL_TUSIZE_SHIFT);
+ reg_val |= (link_cfg->tu_size << NV_SOR_DP_LINKCTL_TUSIZE_SHIFT);
- if (cfg->enhanced_framing)
+ if (link_cfg->enhanced_framing)
reg_val |= NV_SOR_DP_LINKCTL_ENHANCEDFRAME_ENABLE;
tegra_sor_writel(sor, NV_SOR_DP_LINKCTL(sor->portnum), reg_val);
switch (training_pattern) {
- case trainingPattern_1:
+ case training_pattern_1:
tegra_sor_writel(sor, NV_SOR_DP_TPG, 0x41414141);
break;
- case trainingPattern_2:
- case trainingPattern_3:
- reg_val = (cfg->link_bw == NV_SOR_LINK_SPEED_G5_4) ?
+ case training_pattern_2:
+ case training_pattern_3:
+ reg_val = (link_cfg->link_bw == SOR_LINK_SPEED_G5_4) ?
0x43434343 : 0x42424242;
tegra_sor_writel(sor, NV_SOR_DP_TPG, reg_val);
break;
@@ -112,58 +166,612 @@ void tegra_dc_sor_set_dp_linkctl(struct tegra_dc_sor_data *sor, int ena,
}
}
-void tegra_dc_sor_set_dp_lanedata(struct tegra_dc_sor_data *sor,
- u32 lane, u32 pre_emphasis, u32 drive_current, u32 tx_pu)
+static int tegra_dc_sor_enable_lane_sequencer(struct tegra_dc_sor_data *sor,
+ int pu, int is_lvds)
+{
+ u32 reg_val;
+
+ /* SOR lane sequencer */
+ if (pu)
+ reg_val = NV_SOR_LANE_SEQ_CTL_SETTING_NEW_TRIGGER |
+ NV_SOR_LANE_SEQ_CTL_SEQUENCE_DOWN |
+ NV_SOR_LANE_SEQ_CTL_NEW_POWER_STATE_PU;
+ else
+ reg_val = NV_SOR_LANE_SEQ_CTL_SETTING_NEW_TRIGGER |
+ NV_SOR_LANE_SEQ_CTL_SEQUENCE_UP |
+ NV_SOR_LANE_SEQ_CTL_NEW_POWER_STATE_PD;
+
+ if (is_lvds)
+ reg_val |= 15 << NV_SOR_LANE_SEQ_CTL_DELAY_SHIFT;
+ else
+ reg_val |= 1 << NV_SOR_LANE_SEQ_CTL_DELAY_SHIFT;
+
+ tegra_sor_writel(sor, NV_SOR_LANE_SEQ_CTL, reg_val);
+
+ if (tegra_dc_sor_poll_register(sor, NV_SOR_LANE_SEQ_CTL,
+ NV_SOR_LANE_SEQ_CTL_SETTING_MASK,
+ NV_SOR_LANE_SEQ_CTL_SETTING_NEW_DONE,
+ 100, TEGRA_SOR_TIMEOUT_MS*1000)) {
+ printk(BIOS_ERR,
+ "dp: timeout while waiting for SOR lane sequencer "
+ "to power down langes\n");
+ return -1;
+ }
+ return 0;
+}
+
+static int tegra_dc_sor_power_dplanes(struct tegra_dc_sor_data *sor,
+ u32 lane_count, int pu)
+{
+ u32 reg_val;
+
+ reg_val = tegra_sor_readl(sor, NV_SOR_DP_PADCTL(sor->portnum));
+
+ if (pu) {
+ switch (lane_count) {
+ case 4:
+ reg_val |= (NV_SOR_DP_PADCTL_PD_TXD_3_NO |
+ NV_SOR_DP_PADCTL_PD_TXD_2_NO);
+ /* fall through */
+ case 2:
+ reg_val |= NV_SOR_DP_PADCTL_PD_TXD_1_NO;
+ case 1:
+ reg_val |= NV_SOR_DP_PADCTL_PD_TXD_0_NO;
+ break;
+ default:
+ printk(BIOS_ERR,
+ "dp: invalid lane number %d\n", lane_count);
+ return -1;
+ }
+
+ tegra_sor_writel(sor, NV_SOR_DP_PADCTL(sor->portnum), reg_val);
+ tegra_dc_sor_set_lane_count(sor, lane_count);
+ }
+ return tegra_dc_sor_enable_lane_sequencer(sor, pu, 0);
+}
+
+void tegra_dc_sor_set_panel_power(struct tegra_dc_sor_data *sor,
+ int power_up)
+{
+ u32 reg_val;
+
+ /* !!TODO: need to enable panel power through GPIO operations */
+ /* Check bug 790854 for HW progress */
+
+ reg_val = tegra_sor_readl(sor, NV_SOR_DP_PADCTL(sor->portnum));
+
+ if (power_up)
+ reg_val |= NV_SOR_DP_PADCTL_PAD_CAL_PD_POWERUP;
+ else
+ reg_val &= ~NV_SOR_DP_PADCTL_PAD_CAL_PD_POWERUP;
+
+ tegra_sor_writel(sor, NV_SOR_DP_PADCTL(sor->portnum), reg_val);
+}
+
+static void tegra_dc_sor_set_dp_mode(struct tegra_dc_sor_data *sor,
+ const struct tegra_dc_dp_link_config *link_cfg)
+{
+ u32 reg_val;
+
+ tegra_dc_sor_set_link_bandwidth(sor, link_cfg->link_bw);
+
+ tegra_dc_sor_set_dp_linkctl(sor, 1, training_pattern_none, link_cfg);
+ reg_val = tegra_sor_readl(sor, NV_SOR_DP_CONFIG(sor->portnum));
+ reg_val &= ~NV_SOR_DP_CONFIG_WATERMARK_MASK;
+ reg_val |= link_cfg->watermark;
+ reg_val &= ~NV_SOR_DP_CONFIG_ACTIVESYM_COUNT_MASK;
+ reg_val |= (link_cfg->active_count <<
+ NV_SOR_DP_CONFIG_ACTIVESYM_COUNT_SHIFT);
+ reg_val &= ~NV_SOR_DP_CONFIG_ACTIVESYM_FRAC_MASK;
+ reg_val |= (link_cfg->active_frac <<
+ NV_SOR_DP_CONFIG_ACTIVESYM_FRAC_SHIFT);
+ if (link_cfg->activepolarity)
+ reg_val |= NV_SOR_DP_CONFIG_ACTIVESYM_POLARITY_POSITIVE;
+ else
+ reg_val &= ~NV_SOR_DP_CONFIG_ACTIVESYM_POLARITY_POSITIVE;
+ reg_val |= (NV_SOR_DP_CONFIG_ACTIVESYM_CNTL_ENABLE |
+ NV_SOR_DP_CONFIG_RD_RESET_VAL_NEGATIVE);
+
+ tegra_sor_writel(sor, NV_SOR_DP_CONFIG(sor->portnum), reg_val);
+
+ /* enable CRC */
+ reg_val = NV_SOR_CRC_CNTRL_ARM_CRC_ENABLE_EN <<
+ NV_SOR_CRC_CNTRL_ARM_CRC_ENABLE_SHIFT;
+ tegra_sor_writel(sor, NV_SOR_CRC_CNTRL, reg_val);
+
+ /* program h/vblank sym */
+ tegra_sor_write_field(sor, NV_SOR_DP_AUDIO_HBLANK_SYMBOLS,
+ NV_SOR_DP_AUDIO_HBLANK_SYMBOLS_MASK, link_cfg->hblank_sym);
+
+ tegra_sor_write_field(sor, NV_SOR_DP_AUDIO_VBLANK_SYMBOLS,
+ NV_SOR_DP_AUDIO_VBLANK_SYMBOLS_MASK, link_cfg->vblank_sym);
+}
+
+static inline void tegra_dc_sor_super_update(struct tegra_dc_sor_data *sor)
+{
+ tegra_sor_writel(sor, NV_SOR_SUPER_STATE0, 0);
+ tegra_sor_writel(sor, NV_SOR_SUPER_STATE0, 1);
+ tegra_sor_writel(sor, NV_SOR_SUPER_STATE0, 0);
+}
+
+static inline void tegra_dc_sor_update(struct tegra_dc_sor_data *sor)
+{
+ tegra_sor_writel(sor, NV_SOR_STATE0, 0);
+ tegra_sor_writel(sor, NV_SOR_STATE0, 1);
+ tegra_sor_writel(sor, NV_SOR_STATE0, 0);
+}
+
+static void tegra_dc_sor_io_set_dpd(struct tegra_dc_sor_data *sor, int up)
+{
+ u32 reg_val;
+ void *pmc_base = sor->pmc_base;
+
+ if (up) {
+ WRITEL(APBDEV_PMC_DPD_SAMPLE_ON_ENABLE,
+ pmc_base + APBDEV_PMC_DPD_SAMPLE);
+ WRITEL(10, pmc_base + APBDEV_PMC_SEL_DPD_TIM);
+ }
+
+ reg_val = READL(pmc_base + APBDEV_PMC_IO_DPD2_REQ);
+ reg_val &= ~(APBDEV_PMC_IO_DPD2_REQ_LVDS_ON ||
+ APBDEV_PMC_IO_DPD2_REQ_CODE_DEFAULT_MASK);
+
+ reg_val = up ? APBDEV_PMC_IO_DPD2_REQ_LVDS_ON |
+ APBDEV_PMC_IO_DPD2_REQ_CODE_DPD_OFF :
+ APBDEV_PMC_IO_DPD2_REQ_LVDS_OFF |
+ APBDEV_PMC_IO_DPD2_REQ_CODE_DPD_ON;
+
+ WRITEL(reg_val, pmc_base + APBDEV_PMC_IO_DPD2_REQ);
+
+ /* Polling */
+ u32 temp = 10*1000;
+ do {
+ udelay(20);
+ reg_val = READL(pmc_base + APBDEV_PMC_IO_DPD2_STATUS);
+ if (temp > 20)
+ temp -= 20;
+ else
+ break;
+ } while ((reg_val & APBDEV_PMC_IO_DPD2_STATUS_LVDS_ON) != 0);
+
+ if ((reg_val & APBDEV_PMC_IO_DPD2_STATUS_LVDS_ON) != 0)
+ printk(BIOS_ERR,
+ "PMC_IO_DPD2 polling failed (0x%x)\n", reg_val);
+
+ if (up)
+ WRITEL(APBDEV_PMC_DPD_SAMPLE_ON_DISABLE,
+ pmc_base + APBDEV_PMC_DPD_SAMPLE);
+}
+
+void tegra_dc_sor_set_internal_panel(struct tegra_dc_sor_data *sor, int is_int)
{
- u32 d_cur;
- u32 p_emp;
+ u32 reg_val;
+ reg_val = tegra_sor_readl(sor, NV_SOR_DP_SPARE(sor->portnum));
+ if (is_int)
+ reg_val |= NV_SOR_DP_SPARE_PANEL_INTERNAL;
+ else
+ reg_val &= ~NV_SOR_DP_SPARE_PANEL_INTERNAL;
+
+ reg_val |= NV_SOR_DP_SPARE_SOR_CLK_SEL_MACRO_SORCLK |
+ NV_SOR_DP_SPARE_SEQ_ENABLE_YES;
+ tegra_sor_writel(sor, NV_SOR_DP_SPARE(sor->portnum), reg_val);
+}
+
+void tegra_dc_sor_read_link_config(struct tegra_dc_sor_data *sor, u8 *link_bw,
+ u8 *lane_count)
+{
+ u32 reg_val;
+
+ reg_val = tegra_sor_readl(sor, NV_SOR_CLK_CNTRL);
+ *link_bw = (reg_val & NV_SOR_CLK_CNTRL_DP_LINK_SPEED_MASK)
+ >> NV_SOR_CLK_CNTRL_DP_LINK_SPEED_SHIFT;
+ reg_val = tegra_sor_readl(sor,
+ NV_SOR_DP_LINKCTL(sor->portnum));
+
+ switch (reg_val & NV_SOR_DP_LINKCTL_LANECOUNT_MASK) {
+ case NV_SOR_DP_LINKCTL_LANECOUNT_ZERO:
+ *lane_count = 0;
+ break;
+ case NV_SOR_DP_LINKCTL_LANECOUNT_ONE:
+ *lane_count = 1;
+ break;
+ case NV_SOR_DP_LINKCTL_LANECOUNT_TWO:
+ *lane_count = 2;
+ break;
+ case NV_SOR_DP_LINKCTL_LANECOUNT_FOUR:
+ *lane_count = 4;
+ break;
+ default:
+ printk(BIOS_ERR, "Unknown lane count\n");
+ }
+}
+
+void tegra_dc_sor_set_link_bandwidth(struct tegra_dc_sor_data *sor, u8 link_bw)
+{
+ tegra_sor_write_field(sor, NV_SOR_CLK_CNTRL,
+ NV_SOR_CLK_CNTRL_DP_LINK_SPEED_MASK,
+ link_bw << NV_SOR_CLK_CNTRL_DP_LINK_SPEED_SHIFT);
+}
- d_cur = tegra_sor_readl(sor, NV_SOR_DC(sor->portnum));
- p_emp = tegra_sor_readl(sor, NV_SOR_PR(sor->portnum));
+void tegra_dc_sor_set_lane_count(struct tegra_dc_sor_data *sor, u8 lane_count)
+{
+ u32 reg_val;
- switch (lane) {
+ reg_val = tegra_sor_readl(sor, NV_SOR_DP_LINKCTL(sor->portnum));
+ reg_val &= ~NV_SOR_DP_LINKCTL_LANECOUNT_MASK;
+ switch (lane_count) {
case 0:
- p_emp &= ~NV_SOR_PR_LANE2_DP_LANE0_MASK;
- p_emp |= (pre_emphasis <<
- NV_SOR_PR_LANE2_DP_LANE0_SHIFT);
- d_cur &= ~NV_SOR_DC_LANE2_DP_LANE0_MASK;
- d_cur |= (drive_current <<
- NV_SOR_DC_LANE2_DP_LANE0_SHIFT);
break;
case 1:
- p_emp &= ~NV_SOR_PR_LANE1_DP_LANE1_MASK;
- p_emp |= (pre_emphasis <<
- NV_SOR_PR_LANE1_DP_LANE1_SHIFT);
- d_cur &= ~NV_SOR_DC_LANE1_DP_LANE1_MASK;
- d_cur |= (drive_current <<
- NV_SOR_DC_LANE1_DP_LANE1_SHIFT);
+ reg_val |= NV_SOR_DP_LINKCTL_LANECOUNT_ONE;
break;
case 2:
- p_emp &= ~NV_SOR_PR_LANE0_DP_LANE2_MASK;
- p_emp |= (pre_emphasis <<
- NV_SOR_PR_LANE0_DP_LANE2_SHIFT);
- d_cur &= ~NV_SOR_DC_LANE0_DP_LANE2_MASK;
- d_cur |= (drive_current <<
- NV_SOR_DC_LANE0_DP_LANE2_SHIFT);
+ reg_val |= NV_SOR_DP_LINKCTL_LANECOUNT_TWO;
break;
- case 3:
- p_emp &= ~NV_SOR_PR_LANE3_DP_LANE3_MASK;
- p_emp |= (pre_emphasis <<
- NV_SOR_PR_LANE3_DP_LANE3_SHIFT);
- d_cur &= ~NV_SOR_DC_LANE3_DP_LANE3_MASK;
- d_cur |= (drive_current <<
- NV_SOR_DC_LANE3_DP_LANE3_SHIFT);
+ case 4:
+ reg_val |= NV_SOR_DP_LINKCTL_LANECOUNT_FOUR;
break;
default:
- printk(BIOS_SPEW, "dp: sor lane count %d is invalid\n", lane);
+ /* 0 should be handled earlier. */
+ printk(BIOS_ERR, "dp: Invalid lane count %d\n",
+ lane_count);
+ return;
+ }
+ tegra_sor_writel(sor, NV_SOR_DP_LINKCTL(sor->portnum), reg_val);
+}
+
+static void tegra_sor_enable_edp_clock(struct tegra_dc_sor_data *sor)
+{
+ sor_clock_start();
+}
+
+/* The SOR power sequencer does not work for t124 so SW has to
+ go through the power sequence manually */
+/* Power up steps from spec: */
+/* STEP PDPORT PDPLL PDBG PLLVCOD PLLCAPD E_DPD PDCAL */
+/* 1 1 1 1 1 1 1 1 */
+/* 2 1 1 1 1 1 0 1 */
+/* 3 1 1 0 1 1 0 1 */
+/* 4 1 0 0 0 0 0 1 */
+/* 5 0 0 0 0 0 0 1 */
+static void tegra_dc_sor_power_up(struct tegra_dc_sor_data *sor,
+ int is_lvds)
+{
+ if (sor->power_is_up)
+ return;
+
+ /* Set link bw */
+ tegra_dc_sor_set_link_bandwidth(sor,
+ is_lvds ? NV_SOR_CLK_CNTRL_DP_LINK_SPEED_LVDS :
+ NV_SOR_CLK_CNTRL_DP_LINK_SPEED_G1_62);
+
+ /* step 1 */
+ tegra_sor_write_field(sor, NV_SOR_PLL2,
+ NV_SOR_PLL2_AUX7_PORT_POWERDOWN_MASK | /* PDPORT */
+ NV_SOR_PLL2_AUX6_BANDGAP_POWERDOWN_MASK | /* PDBG */
+ NV_SOR_PLL2_AUX8_SEQ_PLLCAPPD_ENFORCE_MASK, /* PLLCAPD */
+ NV_SOR_PLL2_AUX7_PORT_POWERDOWN_ENABLE |
+ NV_SOR_PLL2_AUX6_BANDGAP_POWERDOWN_ENABLE |
+ NV_SOR_PLL2_AUX8_SEQ_PLLCAPPD_ENFORCE_ENABLE);
+ tegra_sor_write_field(sor, NV_SOR_PLL0,
+ NV_SOR_PLL0_PWR_MASK | /* PDPLL */
+ NV_SOR_PLL0_VCOPD_MASK, /* PLLVCOPD */
+ NV_SOR_PLL0_PWR_OFF |
+ NV_SOR_PLL0_VCOPD_ASSERT);
+ tegra_sor_write_field(sor, NV_SOR_DP_PADCTL(sor->portnum),
+ NV_SOR_DP_PADCTL_PAD_CAL_PD_POWERDOWN, /* PDCAL */
+ NV_SOR_DP_PADCTL_PAD_CAL_PD_POWERDOWN);
+
+ /* step 2 */
+ tegra_dc_sor_io_set_dpd(sor, 1);
+ udelay(15);
+
+ /* step 3 */
+ tegra_sor_write_field(sor, NV_SOR_PLL2,
+ NV_SOR_PLL2_AUX6_BANDGAP_POWERDOWN_MASK,
+ NV_SOR_PLL2_AUX6_BANDGAP_POWERDOWN_DISABLE);
+ udelay(25);
+
+ /* step 4 */
+ tegra_sor_write_field(sor, NV_SOR_PLL0,
+ NV_SOR_PLL0_PWR_MASK | /* PDPLL */
+ NV_SOR_PLL0_VCOPD_MASK, /* PLLVCOPD */
+ NV_SOR_PLL0_PWR_ON | NV_SOR_PLL0_VCOPD_RESCIND);
+ tegra_sor_write_field(sor, NV_SOR_PLL2,
+ NV_SOR_PLL2_AUX8_SEQ_PLLCAPPD_ENFORCE_MASK, /* PLLCAPD */
+ NV_SOR_PLL2_AUX8_SEQ_PLLCAPPD_ENFORCE_DISABLE);
+ udelay(225);
+
+ /* step 5 */
+ tegra_sor_write_field(sor, NV_SOR_PLL2,
+ NV_SOR_PLL2_AUX7_PORT_POWERDOWN_MASK, /* PDPORT */
+ NV_SOR_PLL2_AUX7_PORT_POWERDOWN_DISABLE);
+
+ sor->power_is_up = 1;
+}
+
+static void tegra_dc_sor_config_panel(struct tegra_dc_sor_data *sor,
+ int is_lvds)
+{
+ const struct tegra_dc *dc = sor->dc;
+ const struct tegra_dc_dp_data *dp = dc->out;
+ const struct tegra_dc_dp_link_config *link_cfg = &dp->link_cfg;
+ const struct soc_nvidia_tegra124_config *config = dc->config;
+
+ const int head_num = 0; // based on kernel dc driver
+ u32 reg_val = NV_SOR_STATE1_ASY_OWNER_HEAD0 << head_num;
+ u32 vtotal, htotal;
+ u32 vsync_end, hsync_end;
+ u32 vblank_end, hblank_end;
+ u32 vblank_start, hblank_start;
+
+ reg_val |= is_lvds ? NV_SOR_STATE1_ASY_PROTOCOL_LVDS_CUSTOM :
+ NV_SOR_STATE1_ASY_PROTOCOL_DP_A;
+ reg_val |= NV_SOR_STATE1_ASY_SUBOWNER_NONE |
+ NV_SOR_STATE1_ASY_CRCMODE_COMPLETE_RASTER;
+
+ reg_val |= NV_SOR_STATE1_ASY_HSYNCPOL_NEGATIVE_TRUE;
+ reg_val |= NV_SOR_STATE1_ASY_VSYNCPOL_NEGATIVE_TRUE;
+ reg_val |= (link_cfg->bits_per_pixel > 18) ?
+ NV_SOR_STATE1_ASY_PIXELDEPTH_BPP_24_444 :
+ NV_SOR_STATE1_ASY_PIXELDEPTH_BPP_18_444;
+
+ tegra_sor_writel(sor, NV_SOR_STATE1, reg_val);
+
+ /* Skipping programming NV_HEAD_STATE0, assuming:
+ interlacing: PROGRESSIVE, dynamic range: VESA, colorspace: RGB */
+
+ vtotal = config->vsync_width + config->vback_porch +
+ config->yres + config->vfront_porch;
+ htotal = config->hsync_width + config->hback_porch +
+ config->xres + config->hfront_porch;
+
+ tegra_sor_writel(sor, NV_HEAD_STATE1(head_num),
+ vtotal << NV_HEAD_STATE1_VTOTAL_SHIFT |
+ htotal << NV_HEAD_STATE1_HTOTAL_SHIFT);
+
+ vsync_end = config->vsync_width - 1;
+ hsync_end = config->hsync_width - 1;
+ tegra_sor_writel(sor, NV_HEAD_STATE2(head_num),
+ vsync_end << NV_HEAD_STATE2_VSYNC_END_SHIFT |
+ hsync_end << NV_HEAD_STATE2_HSYNC_END_SHIFT);
+
+ vblank_end = vsync_end + config->vback_porch;
+ hblank_end = hsync_end + config->hback_porch;
+ tegra_sor_writel(sor, NV_HEAD_STATE3(head_num),
+ vblank_end << NV_HEAD_STATE3_VBLANK_END_SHIFT |
+ hblank_end << NV_HEAD_STATE3_HBLANK_END_SHIFT);
+
+ vblank_start = vblank_end + config->yres;
+ hblank_start = hblank_end + config->xres;
+ tegra_sor_writel(sor, NV_HEAD_STATE4(head_num),
+ vblank_start << NV_HEAD_STATE4_VBLANK_START_SHIFT |
+ hblank_start << NV_HEAD_STATE4_HBLANK_START_SHIFT);
+
+ /* TODO: adding interlace mode support */
+ tegra_sor_writel(sor, NV_HEAD_STATE5(head_num), 0x1);
+
+ tegra_sor_write_field(sor, NV_SOR_CSTM,
+ NV_SOR_CSTM_ROTCLK_DEFAULT_MASK |
+ NV_SOR_CSTM_LVDS_EN_ENABLE,
+ 2 << NV_SOR_CSTM_ROTCLK_SHIFT |
+ is_lvds ? NV_SOR_CSTM_LVDS_EN_ENABLE :
+ NV_SOR_CSTM_LVDS_EN_DISABLE);
+}
+
+static void tegra_dc_sor_enable_dc(struct tegra_dc_sor_data *sor)
+{
+ struct tegra_dc *dc = sor->dc;
+ struct display_controller *disp_ctrl = (void *)dc->base;
+
+ u32 reg_val = READL(&disp_ctrl->cmd.state_access);
+
+ WRITEL(reg_val | WRITE_MUX_ACTIVE, &disp_ctrl->cmd.state_access);
+ WRITEL(VSYNC_H_POSITION(1), &disp_ctrl->disp.disp_timing_opt);
+
+ /* Enable DC */
+ WRITEL(DISP_CTRL_MODE_C_DISPLAY, &disp_ctrl->cmd.disp_cmd);
+ WRITEL(reg_val, &disp_ctrl->cmd.state_access);
+}
+
+void tegra_dc_sor_enable_dp(struct tegra_dc_sor_data *sor)
+{
+ const struct tegra_dc_dp_link_config *link_cfg = sor->link_cfg;
+
+ tegra_sor_write_field(sor, NV_SOR_CLK_CNTRL,
+ NV_SOR_CLK_CNTRL_DP_CLK_SEL_MASK,
+ NV_SOR_CLK_CNTRL_DP_CLK_SEL_SINGLE_DPCLK);
+
+ tegra_sor_write_field(sor, NV_SOR_PLL2,
+ NV_SOR_PLL2_AUX6_BANDGAP_POWERDOWN_MASK,
+ NV_SOR_PLL2_AUX6_BANDGAP_POWERDOWN_DISABLE);
+ udelay(25);
+
+ tegra_sor_write_field(sor, NV_SOR_PLL3,
+ NV_SOR_PLL3_PLLVDD_MODE_MASK,
+ NV_SOR_PLL3_PLLVDD_MODE_V3_3);
+ tegra_sor_writel(sor, NV_SOR_PLL0,
+ 0xf << NV_SOR_PLL0_ICHPMP_SHFIT |
+ 0x3 << NV_SOR_PLL0_VCOCAP_SHIFT |
+ NV_SOR_PLL0_PLLREG_LEVEL_V45 |
+ NV_SOR_PLL0_RESISTORSEL_EXT |
+ NV_SOR_PLL0_PWR_ON | NV_SOR_PLL0_VCOPD_RESCIND);
+ tegra_sor_write_field(sor, NV_SOR_PLL2,
+ NV_SOR_PLL2_AUX1_SEQ_MASK | NV_SOR_PLL2_AUX9_LVDSEN_OVERRIDE |
+ NV_SOR_PLL2_AUX8_SEQ_PLLCAPPD_ENFORCE_MASK,
+ NV_SOR_PLL2_AUX1_SEQ_PLLCAPPD_OVERRIDE |
+ NV_SOR_PLL2_AUX9_LVDSEN_OVERRIDE |
+ NV_SOR_PLL2_AUX8_SEQ_PLLCAPPD_ENFORCE_DISABLE);
+ tegra_sor_writel(sor, NV_SOR_PLL1,
+ NV_SOR_PLL1_TERM_COMPOUT_HIGH | NV_SOR_PLL1_TMDS_TERM_ENABLE);
+
+ if (tegra_dc_sor_poll_register(sor, NV_SOR_PLL2,
+ NV_SOR_PLL2_AUX8_SEQ_PLLCAPPD_ENFORCE_MASK,
+ NV_SOR_PLL2_AUX8_SEQ_PLLCAPPD_ENFORCE_DISABLE,
+ 100, TEGRA_SOR_TIMEOUT_MS * 1000)) {
+ printk(BIOS_ERR, "DP failed to lock PLL\n");
+ return;
+ }
+
+ tegra_sor_write_field(sor, NV_SOR_PLL2,
+ NV_SOR_PLL2_AUX2_MASK | NV_SOR_PLL2_AUX7_PORT_POWERDOWN_MASK,
+ NV_SOR_PLL2_AUX2_OVERRIDE_POWERDOWN |
+ NV_SOR_PLL2_AUX7_PORT_POWERDOWN_DISABLE);
+
+ tegra_dc_sor_power_up(sor, 0);
+
+ /* re-enable SOR clock */
+ tegra_sor_enable_edp_clock(sor); // select pll_dp as clock source
+
+ /* Power up lanes */
+ tegra_dc_sor_power_dplanes(sor, link_cfg->lane_count, 1);
+
+ tegra_dc_sor_set_dp_mode(sor, link_cfg);
+
+}
+
+void tegra_dc_sor_attach(struct tegra_dc_sor_data *sor)
+{
+
+ u32 reg_val;
+ struct display_controller *disp_ctrl = (void *)sor->dc->base;
+
+ tegra_dc_sor_enable_dc(sor);
+ tegra_dc_sor_config_panel(sor, 0);
+
+ WRITEL(SOR_ENABLE, &disp_ctrl->disp.disp_win_opt);
+
+ reg_val = tegra_sor_readl(sor, NV_SOR_TEST);
+ if (reg_val & NV_SOR_TEST_ATTACHED_TRUE) {
+ printk(BIOS_INFO, "sor: Attached\n");
+ return;
+ }
+
+ /* Attach head */
+ tegra_dc_sor_update(sor);
+ reg_val = NV_SOR_SUPER_STATE1_ASY_HEAD_OP_AWAKE |
+ NV_SOR_SUPER_STATE1_ASY_ORMODE_NORMAL |
+ NV_SOR_SUPER_STATE1_ATTACHED_NO;
+ tegra_sor_writel(sor, NV_SOR_SUPER_STATE1, reg_val);
+ tegra_dc_sor_super_update(sor);
+
+ reg_val |= NV_SOR_SUPER_STATE1_ATTACHED_YES;
+ tegra_sor_writel(sor, NV_SOR_SUPER_STATE1, reg_val);
+ tegra_dc_sor_super_update(sor);
+
+ if (tegra_dc_sor_poll_register(sor, NV_SOR_TEST,
+ NV_SOR_TEST_ATTACHED_DEFAULT_MASK,
+ NV_SOR_TEST_ATTACHED_TRUE,
+ 100, TEGRA_SOR_ATTACH_TIMEOUT_MS * 1000)) {
+ printk(BIOS_ERR,
+ "dc timeout waiting for ATTACHED = TRUE\n");
+ }
+
+ /* Enable dc after attaching head */
+ WRITEL(0x9f00, &disp_ctrl->cmd.state_ctrl);
+ WRITEL(0x9f, &disp_ctrl->cmd.state_ctrl);
+ WRITEL(PW0_ENABLE | PW1_ENABLE | PW2_ENABLE |
+ PW3_ENABLE | PW4_ENABLE | PM0_ENABLE | PM1_ENABLE,
+ &disp_ctrl->cmd.disp_pow_ctrl);
+
+ if (tegra_dc_sor_poll_register(sor, NV_SOR_TEST,
+ NV_SOR_TEST_ACT_HEAD_OPMODE_DEFAULT_MASK,
+ NV_SOR_TEST_ACT_HEAD_OPMODE_AWAKE,
+ 100, TEGRA_SOR_ATTACH_TIMEOUT_MS * 1000)) {
+ printk(BIOS_ERR,
+ "dc timeout waiting for OPMOD = AWAKE\n");
}
+}
+
+void tegra_dc_sor_set_lane_parm(struct tegra_dc_sor_data *sor,
+ const struct tegra_dc_dp_link_config *link_cfg)
+{
+ tegra_sor_writel(sor, NV_SOR_LANE_DRIVE_CURRENT(sor->portnum),
+ link_cfg->drive_current);
+ tegra_sor_writel(sor, NV_SOR_PR(sor->portnum),
+ link_cfg->preemphasis);
+ tegra_sor_writel(sor, NV_SOR_POSTCURSOR(sor->portnum),
+ link_cfg->postcursor);
+ tegra_sor_writel(sor, NV_SOR_LVDS, 0);
- tegra_sor_write_field(sor, NV_SOR_DP_LINKCTL(sor->portnum),
+ tegra_dc_sor_set_link_bandwidth(sor, link_cfg->link_bw);
+ tegra_dc_sor_set_lane_count(sor, link_cfg->lane_count);
+
+ tegra_sor_write_field(sor, NV_SOR_DP_PADCTL(sor->portnum),
+ NV_SOR_DP_PADCTL_TX_PU_ENABLE |
NV_SOR_DP_PADCTL_TX_PU_VALUE_DEFAULT_MASK,
- tx_pu << NV_SOR_DP_PADCTL_TX_PU_VALUE_SHIFT);
+ NV_SOR_DP_PADCTL_TX_PU_ENABLE |
+ 2 << NV_SOR_DP_PADCTL_TX_PU_VALUE_SHIFT);
+
+ /* Precharge */
+ tegra_sor_write_field(sor, NV_SOR_DP_PADCTL(sor->portnum),
+ 0xf0, 0xf0);
+ udelay(20);
- tegra_sor_writel(sor, NV_SOR_DC(sor->portnum), d_cur);
- tegra_sor_writel(sor, NV_SOR_PR(sor->portnum), p_emp);
+ tegra_sor_write_field(sor, NV_SOR_DP_PADCTL(sor->portnum),
+ 0xf0, 0x0);
}
+void tegra_dc_sor_power_down_unused_lanes(struct tegra_dc_sor_data *sor)
+{
+ u32 pad_ctrl = 0;
+ u32 drive_current = 0;
+ u32 pre_emphasis = 0;
+ int err = 0;
+
+ switch (sor->link_cfg->lane_count) {
+ case 4:
+ pad_ctrl = (NV_SOR_DP_PADCTL_PD_TXD_0_NO |
+ NV_SOR_DP_PADCTL_PD_TXD_1_NO |
+ NV_SOR_DP_PADCTL_PD_TXD_2_NO |
+ NV_SOR_DP_PADCTL_PD_TXD_3_NO);
+ break;
+ case 2:
+ pad_ctrl = (NV_SOR_DP_PADCTL_PD_TXD_0_NO |
+ NV_SOR_DP_PADCTL_PD_TXD_1_NO |
+ NV_SOR_DP_PADCTL_PD_TXD_2_YES |
+ NV_SOR_DP_PADCTL_PD_TXD_3_YES);
+ break;
+ case 1:
+ pad_ctrl = (NV_SOR_DP_PADCTL_PD_TXD_0_NO |
+ NV_SOR_DP_PADCTL_PD_TXD_1_YES |
+ NV_SOR_DP_PADCTL_PD_TXD_2_YES |
+ NV_SOR_DP_PADCTL_PD_TXD_3_YES);
+ break;
+ default:
+ printk(BIOS_ERR, "Invalid sor lane count: %u\n",
+ sor->link_cfg->lane_count);
+ return;
+ }
+
+ pad_ctrl |= NV_SOR_DP_PADCTL_PAD_CAL_PD_POWERDOWN;
+ tegra_sor_writel(sor, NV_SOR_DP_PADCTL(sor->portnum), pad_ctrl);
+
+ err = tegra_dc_sor_enable_lane_sequencer(sor, 0, 0);
+ if (err) {
+ printk(BIOS_ERR,
+ "Wait for lane power down failed: %d\n", err);
+ return;
+ }
+
+ /* Set to a known-good pre-calibrated setting */
+ switch (sor->link_cfg->link_bw) {
+ case SOR_LINK_SPEED_G1_62:
+ case SOR_LINK_SPEED_G2_7:
+ drive_current = 0x13131313;
+ pre_emphasis = 0;
+ break;
+ case SOR_LINK_SPEED_G5_4:
+ drive_current = 0x19191919;
+ pre_emphasis = 0x09090909;
+ default:
+ printk(BIOS_ERR, "Invalid sor link bandwidth: %d\n",
+ sor->link_cfg->link_bw);
+ return;
+ }
+
+ tegra_sor_writel(sor, NV_SOR_LANE_DRIVE_CURRENT(sor->portnum),
+ drive_current);
+ tegra_sor_writel(sor, NV_SOR_PR(sor->portnum), pre_emphasis);
+}
diff --git a/src/soc/nvidia/tegra124/sor.h b/src/soc/nvidia/tegra124/sor.h
index 1f885eaa17..bf6286871e 100644
--- a/src/soc/nvidia/tegra124/sor.h
+++ b/src/soc/nvidia/tegra124/sor.h
@@ -17,7 +17,6 @@
#ifndef __TEGRA124_SOR_H__
#define __TEGRA124_SOR_H__
-
#define NV_SOR_SUPER_STATE0 (0x1)
#define NV_SOR_SUPER_STATE0_UPDATE_SHIFT (0)
#define NV_SOR_SUPER_STATE0_UPDATE_DEFAULT_MASK (0x1)
@@ -830,11 +829,11 @@
#define NV_SOR_DP_TPG_LANE0_PATTERN_HBR2_COMPLIANCE (8)
enum {
- trainingPattern_Disabled = 0,
- trainingPattern_1 = 1,
- trainingPattern_2 = 2,
- trainingPattern_3 = 3,
- trainingPattern_None = 0xff
+ training_pattern_disabled = 0,
+ training_pattern_1 = 1,
+ training_pattern_2 = 2,
+ training_pattern_3 = 3,
+ training_pattern_none = 0xff
};
enum tegra_dc_sor_protocol {
@@ -842,10 +841,10 @@ enum tegra_dc_sor_protocol {
SOR_LVDS,
};
-#define NV_SOR_LINK_SPEED_G1_62 6
-#define NV_SOR_LINK_SPEED_G2_7 10
-#define NV_SOR_LINK_SPEED_G5_4 20
-#define NV_SOR_LINK_SPEED_LVDS 7
+#define SOR_LINK_SPEED_G1_62 6
+#define SOR_LINK_SPEED_G2_7 10
+#define SOR_LINK_SPEED_G5_4 20
+#define SOR_LINK_SPEED_LVDS 7
/* todo: combine this and the intel_dp struct into one struct. */
struct tegra_dc_dp_link_config {
@@ -885,21 +884,37 @@ struct tegra_dc_dp_link_config {
* having two channels.
*/
struct tegra_dc_sor_data {
- void *base;
- u8 portnum; /* 0 or 1 */
+ struct tegra_dc *dc;
+ void *base;
+ void *pmc_base;
+ u8 portnum; /* 0 or 1 */
+ struct tegra_dc_dp_link_config *link_cfg;
int power_is_up;
};
#define TEGRA_SOR_TIMEOUT_MS 1000
#define TEGRA_SOR_ATTACH_TIMEOUT_MS 100000
-void tegra_dc_sor_set_dp_linkctl(struct tegra_dc_sor_data *sor,
- int ena,
- u8 training_pattern,
- const struct tegra_dc_dp_link_config *cfg);
-void tegra_dc_sor_set_dp_lanedata(struct tegra_dc_sor_data *sor,
- u32 lane, u32 pre_emphasis,
- u32 drive_current, u32 tx_pu);
-
+#define CHECK_RET(x) \
+ do { \
+ ret = (x); \
+ if (ret != 0) \
+ return ret; \
+ } while (0)
+void tegra_dc_sor_enable_dp(struct tegra_dc_sor_data *sor);
+int tegra_dc_sor_set_power_state(struct tegra_dc_sor_data *sor, int pu_pd);
+void tegra_dc_sor_set_dp_linkctl(struct tegra_dc_sor_data *sor, int ena,
+ u8 training_pattern, const struct tegra_dc_dp_link_config *link_cfg);
+void tegra_dc_sor_set_link_bandwidth(struct tegra_dc_sor_data *sor, u8 link_bw);
+void tegra_dc_sor_set_lane_count(struct tegra_dc_sor_data *sor, u8 lane_count);
+void tegra_dc_sor_set_panel_power(struct tegra_dc_sor_data *sor,
+ int power_up);
+void tegra_dc_sor_set_internal_panel(struct tegra_dc_sor_data *sor, int is_int);
+void tegra_dc_sor_read_link_config(struct tegra_dc_sor_data *sor, u8 *link_bw,
+ u8 *lane_count);
+void tegra_dc_sor_attach(struct tegra_dc_sor_data *sor);
+void tegra_dc_sor_set_lane_parm(struct tegra_dc_sor_data *sor,
+ const struct tegra_dc_dp_link_config *link_cfg);
+void tegra_dc_sor_power_down_unused_lanes(struct tegra_dc_sor_data *sor);
#endif /*__TEGRA124_SOR_H__ */
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-08 03:02:43 +0000