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From: Anitha Chrisanthus <anitha.chrisanthus@intel.com>
To: dri-devel@lists.freedesktop.org, anitha.chrisanthus@intel.com,
	bob.j.paauwe@intel.com, edmund.j.dea@intel.com
Cc: daniel.vetter@intel.com, intel-gfx@lists.freedesktop.org,
	rodrigo.vivi@intel.com
Subject: [PATCH v2 13/59] drm/kmb: Part4 of Mipi Tx Initialization
Date: Tue, 14 Jul 2020 13:56:59 -0700	[thread overview]
Message-ID: <1594760265-11618-14-git-send-email-anitha.chrisanthus@intel.com> (raw)
In-Reply-To: <1594760265-11618-1-git-send-email-anitha.chrisanthus@intel.com>

This initializes the mipi high speed transmitter CTRL and SYNC
configuration registers.

Signed-off-by: Anitha Chrisanthus <anitha.chrisanthus@intel.com>
Reviewed-by: Bob Paauwe <bob.j.paauwe@intel.com>
---
 drivers/gpu/drm/kmb/kmb_dsi.c  | 55 ++++++++++++++++++++++++++++++++++++++++--
 drivers/gpu/drm/kmb/kmb_regs.h | 29 +++++++++++++++++++++-
 2 files changed, 81 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/kmb/kmb_dsi.c b/drivers/gpu/drm/kmb/kmb_dsi.c
index a5b9681..a685a7a 100644
--- a/drivers/gpu/drm/kmb/kmb_dsi.c
+++ b/drivers/gpu/drm/kmb/kmb_dsi.c
@@ -533,6 +533,55 @@ static void mipi_tx_multichannel_fifo_cfg(u8 active_lanes, u8 vchannel_id)
 	kmb_set_bit_mipi(MIPI_TXm_HS_MC_FIFO_CTRL_EN(ctrl_no), vchannel_id);
 }
 
+static void mipi_tx_ctrl_cfg(u8 fg_id, struct mipi_ctrl_cfg *ctrl_cfg)
+{
+	u32 sync_cfg = 0, ctrl = 0, fg_en;
+	u32 ctrl_no = MIPI_CTRL6;
+
+	/*MIPI_TX_HS_SYNC_CFG*/
+	if (ctrl_cfg->tx_ctrl_cfg.line_sync_pkt_en)
+		sync_cfg |= LINE_SYNC_PKT_ENABLE;
+	if (ctrl_cfg->tx_ctrl_cfg.frame_counter_active)
+		sync_cfg |= FRAME_COUNTER_ACTIVE;
+	if (ctrl_cfg->tx_ctrl_cfg.line_counter_active)
+		sync_cfg |= LINE_COUNTER_ACTIVE;
+	if (ctrl_cfg->tx_ctrl_cfg.tx_dsi_cfg->v_blanking)
+		sync_cfg |= DSI_V_BLANKING;
+	if (ctrl_cfg->tx_ctrl_cfg.tx_dsi_cfg->hsa_blanking)
+		sync_cfg |= DSI_HSA_BLANKING;
+	if (ctrl_cfg->tx_ctrl_cfg.tx_dsi_cfg->hbp_blanking)
+		sync_cfg |= DSI_HBP_BLANKING;
+	if (ctrl_cfg->tx_ctrl_cfg.tx_dsi_cfg->hfp_blanking)
+		sync_cfg |= DSI_HFP_BLANKING;
+	if (ctrl_cfg->tx_ctrl_cfg.tx_dsi_cfg->sync_pulse_eventn)
+		sync_cfg |= DSI_SYNC_PULSE_EVENTN;
+	if (ctrl_cfg->tx_ctrl_cfg.tx_dsi_cfg->lpm_first_vsa_line)
+		sync_cfg |= DSI_LPM_FIRST_VSA_LINE;
+	if (ctrl_cfg->tx_ctrl_cfg.tx_dsi_cfg->lpm_last_vfp_line)
+		sync_cfg |= DSI_LPM_LAST_VFP_LINE;
+	/* enable frame generator */
+	fg_en = 1 << fg_id;
+	sync_cfg |= FRAME_GEN_EN(fg_en);
+	if (ctrl_cfg->tx_ctrl_cfg.tx_always_use_hact)
+		sync_cfg |= ALWAYS_USE_HACT(fg_en);
+	if (ctrl_cfg->tx_ctrl_cfg.tx_hact_wait_stop)
+		sync_cfg |= HACT_WAIT_STOP(fg_en);
+
+	/* MIPI_TX_HS_CTRL*/
+	ctrl = HS_CTRL_EN | TX_SOURCE; /* type:DSI,source:LCD */
+	if (ctrl_cfg->tx_ctrl_cfg.tx_dsi_cfg->eotp_en)
+		ctrl |= DSI_EOTP_EN;
+	if (ctrl_cfg->tx_ctrl_cfg.tx_dsi_cfg->hfp_blank_en)
+		ctrl |= DSI_CMD_HFP_EN;
+	ctrl |= LCD_VC(fg_id);
+	ctrl |= ACTIVE_LANES(ctrl_cfg->active_lanes - 1);
+	/*67 ns stop time*/
+	ctrl |= HSEXIT_CNT(0x43);
+
+	kmb_write_mipi(MIPI_TXm_HS_SYNC_CFG(ctrl_no), sync_cfg);
+	kmb_write_mipi(MIPI_TXm_HS_CTRL(ctrl_no), ctrl);
+}
+
 static u32 mipi_tx_init_cntrl(struct kmb_drm_private *dev_priv,
 		struct mipi_ctrl_cfg *ctrl_cfg)
 {
@@ -576,8 +625,7 @@ static u32 mipi_tx_init_cntrl(struct kmb_drm_private *dev_priv,
 		/* set frame specific parameters */
 		mipi_tx_fg_cfg(dev_priv, frame_id, ctrl_cfg->active_lanes,
 				bits_per_pclk,
-				word_count,
-				ctrl_cfg->lane_rate_mbps,
+				word_count, ctrl_cfg->lane_rate_mbps,
 				ctrl_cfg->tx_ctrl_cfg.frames[frame_id]);
 
 		active_vchannels++;
@@ -592,6 +640,9 @@ static u32 mipi_tx_init_cntrl(struct kmb_drm_private *dev_priv,
 		return -EINVAL;
 	/*Multi-Channel FIFO Configuration*/
 	mipi_tx_multichannel_fifo_cfg(ctrl_cfg->active_lanes, frame_id);
+
+	/*Frame Generator Enable */
+	mipi_tx_ctrl_cfg(frame_id, ctrl_cfg);
 	return ret;
 }
 
diff --git a/drivers/gpu/drm/kmb/kmb_regs.h b/drivers/gpu/drm/kmb/kmb_regs.h
index ef6b4ee..2d25c50 100644
--- a/drivers/gpu/drm/kmb/kmb_regs.h
+++ b/drivers/gpu/drm/kmb/kmb_regs.h
@@ -378,7 +378,35 @@
 #define MIPI_CTRL_HS_BASE_ADDR			(0x400)
 
 #define MIPI_TX_HS_CTRL				(0x0)
+#define   MIPI_TXm_HS_CTRL(M)			(MIPI_TX_HS_CTRL + (0x400*M))
+#define   HS_CTRL_EN				(1 << 0)
+#define   HS_CTRL_CSIDSIN			(1 << 2) /*1:CSI 0:DSI*/
+#define   TX_SOURCE				(1 << 3) /*1:LCD, 0:DMA*/
+#define   ACTIVE_LANES(n)			((n) << 4)
+#define   LCD_VC(ch)				((ch) << 8)
+#define   DSI_EOTP_EN				(1 << 11)
+#define   DSI_CMD_HFP_EN			(1 << 12)
+#define   CRC_EN				(1 << 14)
+#define   HSEXIT_CNT(n)				((n) << 16)
+#define   HSCLKIDLE_CNT				(1 << 24)
 #define MIPI_TX_HS_SYNC_CFG			(0x8)
+#define   MIPI_TXm_HS_SYNC_CFG(M)		(MIPI_TX_HS_SYNC_CFG \
+						+ (0x400*M))
+#define   LINE_SYNC_PKT_ENABLE			(1 << 0)
+#define   FRAME_COUNTER_ACTIVE			(1 << 1)
+#define   LINE_COUNTER_ACTIVE			(1 << 2)
+#define   DSI_V_BLANKING			(1 << 4)
+#define   DSI_HSA_BLANKING			(1 << 5)
+#define   DSI_HBP_BLANKING			(1 << 6)
+#define   DSI_HFP_BLANKING			(1 << 7)
+#define   DSI_SYNC_PULSE_EVENTN			(1 << 8)
+#define   DSI_LPM_FIRST_VSA_LINE		(1 << 9)
+#define   DSI_LPM_LAST_VFP_LINE			(1 << 10)
+#define   WAIT_ALL_SECT				(1 << 11)
+#define   WAIT_TRIG_POS				(1 << 15)
+#define   ALWAYS_USE_HACT(f)			((f) << 19)
+#define   FRAME_GEN_EN(f)			((f) << 23)
+#define   HACT_WAIT_STOP(f)			((f) << 28)
 #define MIPI_TX0_HS_FG0_SECT0_PH		(0x40)
 #define MIPI_TXm_HS_FGn_SECTo_PH(M, N, O)	(MIPI_TX0_HS_FG0_SECT0_PH + \
 						(0x400*M) + (0x2C*N) + (8*O))
@@ -434,7 +462,6 @@
 #define MIPI_TX_HS_LLP_H_FRONTPORCH0		(0x15c)
 #define MIPI_TXm_HS_LLP_H_FRONTPORCHn(M, N)	(MIPI_TX_HS_LLP_H_FRONTPORCH0 \
 						+ (0x400*M) + (0x4*N))
-
 #define MIPI_TX_HS_MC_FIFO_CTRL_EN		(0x194)
 #define MIPI_TXm_HS_MC_FIFO_CTRL_EN(M)		(MIPI_TX_HS_MC_FIFO_CTRL_EN \
 						+ (0x400*M))
-- 
2.7.4

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  parent reply	other threads:[~2020-07-14 20:59 UTC|newest]

Thread overview: 65+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-14 20:56 [PATCH v2 00/59] Add support for KeemBay DRM driver Anitha Chrisanthus
2020-07-14 20:56 ` [PATCH v2 01/59] drm/kmb: Add support for KeemBay Display Anitha Chrisanthus
2020-07-14 20:56 ` [PATCH v2 02/59] drm/kmb: Added id to kmb_plane Anitha Chrisanthus
2020-07-14 20:56 ` [PATCH v2 03/59] drm/kmb: Set correct values in the LAYERn_CFG register Anitha Chrisanthus
2020-07-14 20:56 ` [PATCH v2 04/59] drm/kmb: Use biwise operators for register definitions Anitha Chrisanthus
2020-07-14 20:56 ` [PATCH v2 05/59] drm/kmb: Updated kmb_plane_atomic_check Anitha Chrisanthus
2020-07-14 20:56 ` [PATCH v2 06/59] drm/kmb: Initial check-in for Mipi DSI Anitha Chrisanthus
2020-07-14 20:56 ` [PATCH v2 07/59] drm/kmb: Set OUT_FORMAT_CFG register Anitha Chrisanthus
2020-07-14 20:56 ` [PATCH v2 08/59] drm/kmb: Added mipi_dsi_host initialization Anitha Chrisanthus
2020-07-14 20:56 ` [PATCH v2 09/59] drm/kmb: Part 1 of Mipi Tx Initialization Anitha Chrisanthus
2020-07-14 20:56 ` [PATCH v2 10/59] drm/kmb: Part 2 " Anitha Chrisanthus
2020-07-14 20:56 ` [PATCH v2 11/59] drm/kmb: Use correct mmio offset from data book Anitha Chrisanthus
2020-07-14 20:56 ` [PATCH v2 12/59] drm/kmb: Part3 of Mipi Tx initialization Anitha Chrisanthus
2020-07-14 20:56 ` Anitha Chrisanthus [this message]
2020-07-14 20:57 ` [PATCH v2 14/59] drm/kmb: Correct address offsets for mipi registers Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 15/59] drm/kmb: Part5 of Mipi Tx Intitialization Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 16/59] drm/kmb: Part6 of Mipi Tx Initialization Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 17/59] drm/kmb: Part7 " Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 18/59] drm/kmb: Part8 " Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 19/59] drm/kmb: Added ioremap/iounmap for register access Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 20/59] drm/kmb: Register IRQ for LCD Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 21/59] drm/kmb: IRQ handlers for LCD and mipi dsi Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 22/59] drm/kmb: Set hardcoded values to LCD_VSYNC_START Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 23/59] drm/kmb: Additional register programming to update_plane Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 24/59] drm/kmb: Add ADV7535 bridge Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 25/59] drm/kmb: Display clock enable/disable Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 26/59] drm/kmb: rebase to newer kernel version Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 27/59] drm/kmb: minor name change to match device tree Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 28/59] drm/kmb: Changed MMIO size Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 29/59] drm/kmb: Defer Probe Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 30/59] drm/kmb: call bridge init in the very beginning Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 31/59] drm/kmb: Cleanup probe functions Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 32/59] drm/kmb: Revert dsi_host back to a static variable Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 33/59] drm/kmb: Initialize clocks for clk_msscam, clk_mipi_ecfg, & clk_mipi_cfg Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 34/59] drm/kmb: Enable MSS_CAM_CLK_CTRL for LCD and MIPI Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 35/59] drm/kmb: Remove declaration of irq_lcd/irq_mipi Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 36/59] drm/kmb: Enable MIPI TX HS Test Pattern Generation Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 37/59] drm/kmb: Set MSS_CAM_RSTN_CTRL along with enable Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 38/59] drm/kmb: Mipi DPHY initialization changes Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 39/59] drm/kmb: Fixed driver unload Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 40/59] drm/kmb: Added LCD_TEST config Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 41/59] drm/kmb: Changes for LCD to Mipi Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 42/59] drm/kmb: Update LCD programming to match MIPI Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 43/59] drm/kmb: Changed name of driver to kmb-drm Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 44/59] drm/kmb: Mipi settings from input timings Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 45/59] drm/kmb: Enable LCD interrupts Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 46/59] drm/kmb: Enable LCD interrupts during modeset Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 47/59] drm/kmb: Don’t inadvertantly disable LCD controller Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 48/59] drm/kmb: SWAP R and B LCD Layer order Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 49/59] drm/kmb: Disable ping pong mode Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 50/59] drm/kmb: Do the layer initializations only once Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 51/59] drm/kmb: Write to LCD_LAYERn_CFG " Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 52/59] drm/kmb: Cleaned up code Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 53/59] drm/kmb: disable the LCD layer in EOF irq handler Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 54/59] drm/kmb: Initialize uninitialized variables Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 55/59] drm/kmb: Added useful messages in LCD ISR Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 56/59] kmb/drm: Prune unsupported modes Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 57/59] drm/kmb: workaround for dma undeflow issue Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 58/59] drm/kmb: Get System Clock from SCMI Anitha Chrisanthus
2020-07-14 20:57 ` [PATCH v2 59/59] drm/kmb: work around for planar formats Anitha Chrisanthus
2020-07-15 15:05 ` [Intel-gfx] [PATCH v2 00/59] Add support for KeemBay DRM driver Daniel Vetter
2020-07-15 15:14   ` Daniel Vetter
2020-07-15 17:06   ` Sam Ravnborg
2020-07-15 18:38     ` Chrisanthus, Anitha
2020-07-15 17:01 ` Sam Ravnborg

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