@@ -830,6 +830,8 @@ static const struct of_device_id mtk_ddp_comp_dt_ids[] = {
.data = (void *)MTK_DSI },
{ .compatible = "mediatek,mt8188-dsi",
.data = (void *)MTK_DSI },
+ { .compatible = "mediatek,mt8196-dsi",
+ .data = (void *)MTK_DSI },
{ }
};
@@ -44,12 +44,12 @@
#define EXT_TE_RDY_INT_FLAG BIT(4)
#define DSI_BUSY BIT(31)
-#define DSI_CON_CTRL 0x10
+#define DSI_CON_CTRL(data) (0x10 + (data)->reg_20_ofs)
#define DSI_RESET BIT(0)
#define DSI_EN BIT(1)
#define DPHY_RESET BIT(2)
-#define DSI_MODE_CTRL 0x14
+#define DSI_MODE_CTRL(data) (0x14 + (data)->reg_20_ofs)
#define MODE (3)
#define CMD_MODE 0
#define SYNC_PULSE_MODE 1
@@ -58,7 +58,7 @@
#define FRM_MODE BIT(16)
#define MIX_MODE BIT(17)
-#define DSI_TXRX_CTRL 0x18
+#define DSI_TXRX_CTRL(data) (0x18 + (data)->reg_20_ofs)
#define VC_NUM BIT(1)
#define LANE_NUM GENMASK(5, 2)
#define DIS_EOT BIT(6)
@@ -69,81 +69,87 @@
#define MAX_RTN_SIZE GENMASK(15, 12)
#define HSTX_CKLP_EN BIT(16)
-#define DSI_PSCTRL 0x1c
+#define DSI_PSCTRL(data) (0x1c + (data)->reg_20_ofs)
#define DSI_PS_WC GENMASK(13, 0)
-#define DSI_PS_SEL GENMASK(17, 16)
+#define DSI_PS_SEL GENMASK(19, 16)
#define PACKED_PS_16BIT_RGB565 0
#define PACKED_PS_18BIT_RGB666 1
#define LOOSELY_PS_24BIT_RGB666 2
#define PACKED_PS_24BIT_RGB888 3
-#define DSI_VSA_NL 0x20
-#define DSI_VBP_NL 0x24
-#define DSI_VFP_NL 0x28
-#define DSI_VACT_NL 0x2C
+#define DSI_VSA_NL(data) (0x20 + (data)->reg_40_ofs)
+#define DSI_VBP_NL(data) (0x24 + (data)->reg_40_ofs)
+#define DSI_VFP_NL(data) (0x28 + (data)->reg_40_ofs)
+#define DSI_VACT_NL(data) (0x2c + (data)->reg_40_ofs)
#define VACT_NL GENMASK(14, 0)
-#define DSI_SIZE_CON 0x38
+#define DSI_SIZE_CON(data) ((data)->dsi_size_con ? \
+ (data)->dsi_size_con : 0x38)
#define DSI_HEIGHT GENMASK(30, 16)
#define DSI_WIDTH GENMASK(14, 0)
-#define DSI_HSA_WC 0x50
-#define DSI_HBP_WC 0x54
-#define DSI_HFP_WC 0x58
+#define DSI_HSA_WC(data) (0x50 + (data)->reg_30_ofs)
+#define DSI_HBP_WC(data) (0x54 + (data)->reg_30_ofs)
+#define DSI_HFP_WC(data) (0x58 + (data)->reg_30_ofs)
#define HFP_HS_VB_PS_WC GENMASK(30, 16)
#define HFP_HS_EN BIT(31)
-#define DSI_CMDQ_SIZE 0x60
+#define DSI_CMDQ_SIZE(data) ((data)->dsi_cmdq_con ? \
+ (data)->dsi_cmdq_con : 0x60)
#define CMDQ_SIZE 0x3f
#define CMDQ_SIZE_SEL BIT(15)
-#define DSI_HSTX_CKL_WC 0x64
+#define DSI_HSTX_CKL_WC(data) ((data)->dsi_hstx_ckl_wc ? \
+ (data)->dsi_hstx_ckl_wc : 0x64)
#define HSTX_CKL_WC GENMASK(15, 2)
-#define DSI_RX_DATA0 0x74
-#define DSI_RX_DATA1 0x78
-#define DSI_RX_DATA2 0x7c
-#define DSI_RX_DATA3 0x80
+#define DSI_RX_DATA0(data) (0x74 + (data)->reg_30_ofs)
+#define DSI_RX_DATA1(data) (0x78 + (data)->reg_30_ofs)
+#define DSI_RX_DATA2(data) (0x7c + (data)->reg_30_ofs)
+#define DSI_RX_DATA3(data) (0x80 + (data)->reg_30_ofs)
-#define DSI_RACK 0x84
+#define DSI_RACK(data) (0x84 + (data)->reg_30_ofs)
#define RACK BIT(0)
-#define DSI_PHY_LCCON 0x104
+#define DSI_PHY_LCCON(data) ((data)->reg_phy_base ? 0x1d0 : 0x104)
#define LC_HS_TX_EN BIT(0)
#define LC_ULPM_EN BIT(1)
#define LC_WAKEUP_EN BIT(2)
-#define DSI_PHY_LD0CON 0x108
+#define DSI_PHY_LD0CON(data) ((data)->reg_phy_base ? 0x1d4 : 0x108)
#define LD0_HS_TX_EN BIT(0)
#define LD0_ULPM_EN BIT(1)
#define LD0_WAKEUP_EN BIT(2)
-#define DSI_PHY_TIMECON0 0x110
-#define LPX GENMASK(7, 0)
-#define HS_PREP GENMASK(15, 8)
-#define HS_ZERO GENMASK(23, 16)
-#define HS_TRAIL GENMASK(31, 24)
-
-#define DSI_PHY_TIMECON1 0x114
-#define TA_GO GENMASK(7, 0)
-#define TA_SURE GENMASK(15, 8)
-#define TA_GET GENMASK(23, 16)
-#define DA_HS_EXIT GENMASK(31, 24)
-
-#define DSI_PHY_TIMECON2 0x118
-#define CONT_DET GENMASK(7, 0)
-#define DA_HS_SYNC GENMASK(15, 8)
-#define CLK_ZERO GENMASK(23, 16)
-#define CLK_TRAIL GENMASK(31, 24)
-
-#define DSI_PHY_TIMECON3 0x11c
-#define CLK_HS_PREP GENMASK(7, 0)
-#define CLK_HS_POST GENMASK(15, 8)
-#define CLK_HS_EXIT GENMASK(23, 16)
+#define DSI_PHY_TIMECON0(data) ((data)->reg_phy_base ? \
+ (data)->reg_phy_base : 0x110)
+#define LPX (0xff << 0)
+#define HS_PREP (0xff << 8)
+#define HS_ZERO (0xff << 16)
+#define HS_TRAIL (0xff << 24)
+
+#define DSI_PHY_TIMECON1(data) (DSI_PHY_TIMECON0(data) + 0x4)
+#define TA_GO (0xff << 0)
+#define TA_SURE (0xff << 8)
+#define TA_GET (0xff << 16)
+#define DA_HS_EXIT (0xff << 24)
+
+#define DSI_PHY_TIMECON2(data) (DSI_PHY_TIMECON0(data) + 0x8)
+#define CONT_DET (0xff << 0)
+#define DA_HS_SYNC (0xff << 8)
+#define CLK_ZERO (0xff << 16)
+#define CLK_TRAIL (0xff << 24)
+
+#define DSI_PHY_TIMECON3(data) (DSI_PHY_TIMECON0(data) + 0xc)
+#define CLK_HS_PREP (0xff << 0)
+#define CLK_HS_POST (0xff << 8)
+#define CLK_HS_EXIT (0xff << 16)
/* DSI_VM_CMD_CON */
#define VM_CMD_EN BIT(0)
#define TS_VFP_EN BIT(5)
/* DSI_SHADOW_DEBUG */
+#define DSI_SHADOW_DEBUG(data) ((data)->dsi_shadow_dbg ? \
+ (data)->dsi_shadow_dbg : 0x190)
#define FORCE_COMMIT BIT(0)
#define BYPASS_SHADOW BIT(1)
@@ -193,6 +199,24 @@ struct mtk_dsi_driver_data {
bool has_size_ctl;
bool cmdq_long_packet_ctl;
bool support_per_frame_lp;
+ const u32 reg_phy_base;
+ const u32 reg_20_ofs;
+ const u32 reg_30_ofs;
+ const u32 reg_40_ofs;
+ const u32 reg_100_ofs;
+ const u32 dsi_size_con;
+ const u32 dsi_vfp_early_stop;
+ const u32 dsi_lfr_con;
+ const u32 dsi_cmdq_con;
+ const u32 dsi_type1_hs;
+ const u32 dsi_hstx_ckl_wc;
+ const u32 dsi_mem_conti;
+ const u32 dsi_time_con;
+ const u32 dsi_reserved;
+ const u32 dsi_state_dbg6;
+ const u32 dsi_dbg_sel;
+ const u32 dsi_shadow_dbg;
+ const u32 dsi_vm_cmd_con;
};
struct mtk_dsi {
@@ -283,71 +307,71 @@ static void mtk_dsi_phy_timconfig(struct mtk_dsi *dsi)
FIELD_PREP(CLK_HS_POST, timing->clk_hs_post) |
FIELD_PREP(CLK_HS_EXIT, timing->clk_hs_exit);
- writel(timcon0, dsi->regs + DSI_PHY_TIMECON0);
- writel(timcon1, dsi->regs + DSI_PHY_TIMECON1);
- writel(timcon2, dsi->regs + DSI_PHY_TIMECON2);
- writel(timcon3, dsi->regs + DSI_PHY_TIMECON3);
+ writel(timcon0, dsi->regs + DSI_PHY_TIMECON0(dsi->driver_data));
+ writel(timcon1, dsi->regs + DSI_PHY_TIMECON1(dsi->driver_data));
+ writel(timcon2, dsi->regs + DSI_PHY_TIMECON2(dsi->driver_data));
+ writel(timcon3, dsi->regs + DSI_PHY_TIMECON3(dsi->driver_data));
}
static void mtk_dsi_enable(struct mtk_dsi *dsi)
{
- mtk_dsi_mask(dsi, DSI_CON_CTRL, DSI_EN, DSI_EN);
+ mtk_dsi_mask(dsi, DSI_CON_CTRL(dsi->driver_data), DSI_EN, DSI_EN);
}
static void mtk_dsi_disable(struct mtk_dsi *dsi)
{
- mtk_dsi_mask(dsi, DSI_CON_CTRL, DSI_EN, 0);
+ mtk_dsi_mask(dsi, DSI_CON_CTRL(dsi->driver_data), DSI_EN, 0);
}
static void mtk_dsi_reset_engine(struct mtk_dsi *dsi)
{
- mtk_dsi_mask(dsi, DSI_CON_CTRL, DSI_RESET, DSI_RESET);
- mtk_dsi_mask(dsi, DSI_CON_CTRL, DSI_RESET, 0);
+ mtk_dsi_mask(dsi, DSI_CON_CTRL(dsi->driver_data), DSI_RESET, DSI_RESET);
+ mtk_dsi_mask(dsi, DSI_CON_CTRL(dsi->driver_data), DSI_RESET, 0);
}
static void mtk_dsi_reset_dphy(struct mtk_dsi *dsi)
{
- mtk_dsi_mask(dsi, DSI_CON_CTRL, DPHY_RESET, DPHY_RESET);
- mtk_dsi_mask(dsi, DSI_CON_CTRL, DPHY_RESET, 0);
+ mtk_dsi_mask(dsi, DSI_CON_CTRL(dsi->driver_data), DPHY_RESET, DPHY_RESET);
+ mtk_dsi_mask(dsi, DSI_CON_CTRL(dsi->driver_data), DPHY_RESET, 0);
}
static void mtk_dsi_clk_ulp_mode_enter(struct mtk_dsi *dsi)
{
- mtk_dsi_mask(dsi, DSI_PHY_LCCON, LC_HS_TX_EN, 0);
- mtk_dsi_mask(dsi, DSI_PHY_LCCON, LC_ULPM_EN, 0);
+ mtk_dsi_mask(dsi, DSI_PHY_LCCON(dsi->driver_data), LC_HS_TX_EN, 0);
+ mtk_dsi_mask(dsi, DSI_PHY_LCCON(dsi->driver_data), LC_ULPM_EN, 0);
}
static void mtk_dsi_clk_ulp_mode_leave(struct mtk_dsi *dsi)
{
- mtk_dsi_mask(dsi, DSI_PHY_LCCON, LC_ULPM_EN, 0);
- mtk_dsi_mask(dsi, DSI_PHY_LCCON, LC_WAKEUP_EN, LC_WAKEUP_EN);
- mtk_dsi_mask(dsi, DSI_PHY_LCCON, LC_WAKEUP_EN, 0);
+ mtk_dsi_mask(dsi, DSI_PHY_LCCON(dsi->driver_data), LC_ULPM_EN, 0);
+ mtk_dsi_mask(dsi, DSI_PHY_LCCON(dsi->driver_data), LC_WAKEUP_EN, LC_WAKEUP_EN);
+ mtk_dsi_mask(dsi, DSI_PHY_LCCON(dsi->driver_data), LC_WAKEUP_EN, 0);
}
static void mtk_dsi_lane0_ulp_mode_enter(struct mtk_dsi *dsi)
{
- mtk_dsi_mask(dsi, DSI_PHY_LD0CON, LD0_HS_TX_EN, 0);
- mtk_dsi_mask(dsi, DSI_PHY_LD0CON, LD0_ULPM_EN, 0);
+ mtk_dsi_mask(dsi, DSI_PHY_LD0CON(dsi->driver_data), LD0_HS_TX_EN, 0);
+ mtk_dsi_mask(dsi, DSI_PHY_LD0CON(dsi->driver_data), LD0_ULPM_EN, 0);
}
static void mtk_dsi_lane0_ulp_mode_leave(struct mtk_dsi *dsi)
{
- mtk_dsi_mask(dsi, DSI_PHY_LD0CON, LD0_ULPM_EN, 0);
- mtk_dsi_mask(dsi, DSI_PHY_LD0CON, LD0_WAKEUP_EN, LD0_WAKEUP_EN);
- mtk_dsi_mask(dsi, DSI_PHY_LD0CON, LD0_WAKEUP_EN, 0);
+ mtk_dsi_mask(dsi, DSI_PHY_LD0CON(dsi->driver_data), LD0_ULPM_EN, 0);
+ mtk_dsi_mask(dsi, DSI_PHY_LD0CON(dsi->driver_data), LD0_WAKEUP_EN, LD0_WAKEUP_EN);
+ mtk_dsi_mask(dsi, DSI_PHY_LD0CON(dsi->driver_data), LD0_WAKEUP_EN, 0);
}
static bool mtk_dsi_clk_hs_state(struct mtk_dsi *dsi)
{
- return readl(dsi->regs + DSI_PHY_LCCON) & LC_HS_TX_EN;
+ return readl(dsi->regs + DSI_PHY_LCCON(dsi->driver_data)) & LC_HS_TX_EN;
}
static void mtk_dsi_clk_hs_mode(struct mtk_dsi *dsi, bool enter)
{
if (enter && !mtk_dsi_clk_hs_state(dsi))
- mtk_dsi_mask(dsi, DSI_PHY_LCCON, LC_HS_TX_EN, LC_HS_TX_EN);
+ mtk_dsi_mask(dsi, DSI_PHY_LCCON(dsi->driver_data), LC_HS_TX_EN, LC_HS_TX_EN);
else if (!enter && mtk_dsi_clk_hs_state(dsi))
- mtk_dsi_mask(dsi, DSI_PHY_LCCON, LC_HS_TX_EN, 0);
+ mtk_dsi_mask(dsi, DSI_PHY_LCCON(dsi->driver_data), LC_HS_TX_EN, 0);
}
static void mtk_dsi_set_mode(struct mtk_dsi *dsi)
@@ -363,13 +387,13 @@ static void mtk_dsi_set_mode(struct mtk_dsi *dsi)
vid_mode = SYNC_EVENT_MODE;
}
- writel(vid_mode, dsi->regs + DSI_MODE_CTRL);
+ writel(vid_mode, dsi->regs + DSI_MODE_CTRL(dsi->driver_data));
}
static void mtk_dsi_set_vm_cmd(struct mtk_dsi *dsi)
{
- mtk_dsi_mask(dsi, dsi->driver_data->reg_vm_cmd_off, VM_CMD_EN, VM_CMD_EN);
- mtk_dsi_mask(dsi, dsi->driver_data->reg_vm_cmd_off, TS_VFP_EN, TS_VFP_EN);
+ mtk_dsi_mask(dsi, dsi->driver_data->dsi_vm_cmd_con, VM_CMD_EN, VM_CMD_EN);
+ mtk_dsi_mask(dsi, dsi->driver_data->dsi_vm_cmd_con, TS_VFP_EN, TS_VFP_EN);
}
static void mtk_dsi_rxtx_control(struct mtk_dsi *dsi)
@@ -389,7 +413,7 @@ static void mtk_dsi_rxtx_control(struct mtk_dsi *dsi)
if (dsi->mode_flags & MIPI_DSI_MODE_NO_EOT_PACKET)
regval |= DIS_EOT;
- writel(regval, dsi->regs + DSI_TXRX_CTRL);
+ writel(regval, dsi->regs + DSI_TXRX_CTRL(dsi->driver_data));
}
static void mtk_dsi_ps_control(struct mtk_dsi *dsi, bool config_vact)
@@ -425,10 +449,10 @@ static void mtk_dsi_ps_control(struct mtk_dsi *dsi, bool config_vact)
if (config_vact) {
vact_nl = FIELD_PREP(VACT_NL, dsi->vm.vactive);
- writel(vact_nl, dsi->regs + DSI_VACT_NL);
- writel(ps_wc, dsi->regs + DSI_HSTX_CKL_WC);
+ writel(vact_nl, dsi->regs + DSI_VACT_NL(dsi->driver_data));
+ writel(ps_wc, dsi->regs + DSI_HSTX_CKL_WC(dsi->driver_data));
}
- writel(ps_val, dsi->regs + DSI_PSCTRL);
+ writel(ps_val, dsi->regs + DSI_PSCTRL(dsi->driver_data));
}
static void mtk_dsi_config_vdo_timing_per_frame_lp(struct mtk_dsi *dsi)
@@ -487,16 +511,16 @@ static void mtk_dsi_config_vdo_timing_per_frame_lp(struct mtk_dsi *dsi)
ps_wc), dsi->lanes) + da_hs_trail + 1) * dsi->lanes / 6 - 1;
hstx_cklp_wc = FIELD_PREP(HSTX_CKL_WC, (hstx_cklp_wc_min + hstx_cklp_wc_max) / 2);
- writel(hstx_cklp_wc, dsi->regs + DSI_HSTX_CKL_WC);
+ writel(hstx_cklp_wc, dsi->regs + DSI_HSTX_CKL_WC(dsi->driver_data));
hs_vb_ps_wc = ps_wc - (dsi->phy_timing.lpx + dsi->phy_timing.da_hs_exit +
dsi->phy_timing.da_hs_prepare + dsi->phy_timing.da_hs_zero + 2) * dsi->lanes;
horizontal_frontporch_byte |= FIELD_PREP(HFP_HS_EN, 1) |
FIELD_PREP(HFP_HS_VB_PS_WC, hs_vb_ps_wc);
- writel(horizontal_sync_active_byte, dsi->regs + DSI_HSA_WC);
- writel(horizontal_backporch_byte, dsi->regs + DSI_HBP_WC);
- writel(horizontal_frontporch_byte, dsi->regs + DSI_HFP_WC);
+ writel(horizontal_sync_active_byte, dsi->regs + DSI_HSA_WC(dsi->driver_data));
+ writel(horizontal_backporch_byte, dsi->regs + DSI_HBP_WC(dsi->driver_data));
+ writel(horizontal_frontporch_byte, dsi->regs + DSI_HFP_WC(dsi->driver_data));
}
static void mtk_dsi_config_vdo_timing_per_line_lp(struct mtk_dsi *dsi)
@@ -558,24 +582,24 @@ static void mtk_dsi_config_vdo_timing_per_line_lp(struct mtk_dsi *dsi)
(vm->hactive * dsi_tmp_buf_bpp + 2) % dsi->lanes;
}
- writel(horizontal_sync_active_byte, dsi->regs + DSI_HSA_WC);
- writel(horizontal_backporch_byte, dsi->regs + DSI_HBP_WC);
- writel(horizontal_frontporch_byte, dsi->regs + DSI_HFP_WC);
+ writel(horizontal_sync_active_byte, dsi->regs + DSI_HSA_WC(dsi->driver_data));
+ writel(horizontal_backporch_byte, dsi->regs + DSI_HBP_WC(dsi->driver_data));
+ writel(horizontal_frontporch_byte, dsi->regs + DSI_HFP_WC(dsi->driver_data));
}
static void mtk_dsi_config_vdo_timing(struct mtk_dsi *dsi)
{
struct videomode *vm = &dsi->vm;
- writel(vm->vsync_len, dsi->regs + DSI_VSA_NL);
- writel(vm->vback_porch, dsi->regs + DSI_VBP_NL);
- writel(vm->vfront_porch, dsi->regs + DSI_VFP_NL);
- writel(vm->vactive, dsi->regs + DSI_VACT_NL);
+ writel(vm->vsync_len, dsi->regs + DSI_VSA_NL(dsi->driver_data));
+ writel(vm->vback_porch, dsi->regs + DSI_VBP_NL(dsi->driver_data));
+ writel(vm->vfront_porch, dsi->regs + DSI_VFP_NL(dsi->driver_data));
+ writel(vm->vactive, dsi->regs + DSI_VACT_NL(dsi->driver_data));
if (dsi->driver_data->has_size_ctl)
writel(FIELD_PREP(DSI_HEIGHT, vm->vactive) |
FIELD_PREP(DSI_WIDTH, vm->hactive),
- dsi->regs + DSI_SIZE_CON);
+ dsi->regs + DSI_SIZE_CON(dsi->driver_data));
if (dsi->driver_data->support_per_frame_lp)
mtk_dsi_config_vdo_timing_per_frame_lp(dsi);
@@ -598,7 +622,7 @@ static void mtk_dsi_stop(struct mtk_dsi *dsi)
static void mtk_dsi_set_cmd_mode(struct mtk_dsi *dsi)
{
- writel(CMD_MODE, dsi->regs + DSI_MODE_CTRL);
+ writel(CMD_MODE, dsi->regs + DSI_MODE_CTRL(dsi->driver_data));
}
static void mtk_dsi_set_interrupt_enable(struct mtk_dsi *dsi)
@@ -647,7 +671,7 @@ static irqreturn_t mtk_dsi_irq(int irq, void *dev_id)
if (status) {
do {
- mtk_dsi_mask(dsi, DSI_RACK, RACK, RACK);
+ mtk_dsi_mask(dsi, DSI_RACK(dsi->driver_data), RACK, RACK);
tmp = readl(dsi->regs + DSI_INTSTA);
} while (tmp & DSI_BUSY);
@@ -715,7 +739,7 @@ static int mtk_dsi_poweron(struct mtk_dsi *dsi)
if (dsi->driver_data->has_shadow_ctl)
writel(FORCE_COMMIT | BYPASS_SHADOW,
- dsi->regs + dsi->driver_data->reg_shadow_dbg_off);
+ dsi->regs + DSI_SHADOW_DEBUG(dsi->driver_data));
mtk_dsi_reset_engine(dsi);
mtk_dsi_phy_timconfig(dsi);
@@ -757,7 +781,7 @@ static void mtk_dsi_poweroff(struct mtk_dsi *dsi)
mtk_dsi_lane0_ulp_mode_enter(dsi);
mtk_dsi_clk_ulp_mode_enter(dsi);
/* set the lane number as 0 to pull down mipi */
- writel(0, dsi->regs + DSI_TXRX_CTRL);
+ writel(0, dsi->regs + DSI_TXRX_CTRL(dsi->driver_data));
mtk_dsi_disable(dsi);
@@ -1091,10 +1115,10 @@ static void mtk_dsi_cmdq(struct mtk_dsi *dsi, const struct mipi_dsi_msg *msg)
tx_buf[i] << (((i + cmdq_off) & 3U) * 8U));
mtk_dsi_mask(dsi, reg_cmdq_off, cmdq_mask, reg_val);
- mtk_dsi_mask(dsi, DSI_CMDQ_SIZE, CMDQ_SIZE, cmdq_size);
+ mtk_dsi_mask(dsi, DSI_CMDQ_SIZE(dsi->driver_data), CMDQ_SIZE, cmdq_size);
if (dsi->driver_data->cmdq_long_packet_ctl) {
/* Disable setting cmdq_size automatically for long packets */
- mtk_dsi_mask(dsi, DSI_CMDQ_SIZE, CMDQ_SIZE_SEL, CMDQ_SIZE_SEL);
+ mtk_dsi_mask(dsi, DSI_CMDQ_SIZE(dsi->driver_data), CMDQ_SIZE_SEL, CMDQ_SIZE_SEL);
}
}
@@ -1123,7 +1147,7 @@ static ssize_t mtk_dsi_host_transfer(struct mipi_dsi_host *host,
u32 dsi_mode;
int ret, i;
- dsi_mode = readl(dsi->regs + DSI_MODE_CTRL);
+ dsi_mode = readl(dsi->regs + DSI_MODE_CTRL(dsi->driver_data));
if (dsi_mode & MODE) {
mtk_dsi_stop(dsi);
ret = mtk_dsi_switch_to_cmd_mode(dsi, VM_DONE_INT_FLAG, 500);
@@ -1152,7 +1176,7 @@ static ssize_t mtk_dsi_host_transfer(struct mipi_dsi_host *host,
}
for (i = 0; i < 16; i++)
- *(read_data + i) = readb(dsi->regs + DSI_RX_DATA0 + i);
+ *(read_data + i) = readb(dsi->regs + DSI_RX_DATA0(dsi->driver_data) + i);
recv_cnt = mtk_dsi_recv_cnt(read_data[0], read_data);
@@ -1262,14 +1286,12 @@ static void mtk_dsi_remove(struct platform_device *pdev)
static const struct mtk_dsi_driver_data mt8173_dsi_driver_data = {
.reg_cmdq_off = 0x200,
- .reg_vm_cmd_off = 0x130,
- .reg_shadow_dbg_off = 0x190
+ .dsi_vm_cmd_con = 0x130,
};
static const struct mtk_dsi_driver_data mt2701_dsi_driver_data = {
.reg_cmdq_off = 0x180,
- .reg_vm_cmd_off = 0x130,
- .reg_shadow_dbg_off = 0x190
+ .dsi_vm_cmd_con = 0x130,
};
static const struct mtk_dsi_driver_data mt8183_dsi_driver_data = {
@@ -1278,6 +1300,7 @@ static const struct mtk_dsi_driver_data mt8183_dsi_driver_data = {
.reg_shadow_dbg_off = 0x190,
.has_shadow_ctl = true,
.has_size_ctl = true,
+ .dsi_vm_cmd_con = 0x130,
};
static const struct mtk_dsi_driver_data mt8186_dsi_driver_data = {
@@ -1286,6 +1309,7 @@ static const struct mtk_dsi_driver_data mt8186_dsi_driver_data = {
.reg_shadow_dbg_off = 0xc00,
.has_shadow_ctl = true,
.has_size_ctl = true,
+ .dsi_vm_cmd_con = 0x130,
};
static const struct mtk_dsi_driver_data mt8188_dsi_driver_data = {
@@ -1296,6 +1320,33 @@ static const struct mtk_dsi_driver_data mt8188_dsi_driver_data = {
.has_size_ctl = true,
.cmdq_long_packet_ctl = true,
.support_per_frame_lp = true,
+ .dsi_vm_cmd_con = 0x130,
+};
+
+static const struct mtk_dsi_driver_data mt8196_dsi_driver_data = {
+ .reg_cmdq_off = 0x400,
+ .has_shadow_ctl = true,
+ .has_size_ctl = true,
+ .cmdq_long_packet_ctl = true,
+ .support_per_frame_lp = true,
+ .reg_phy_base = 0x600,
+ .reg_20_ofs = 0x020,
+ .reg_30_ofs = 0x030,
+ .reg_40_ofs = 0x040,
+ .reg_100_ofs = 0x100,
+ .dsi_size_con = 0x02c,
+ .dsi_vfp_early_stop = 0x170,
+ .dsi_lfr_con = 0x1a0,
+ .dsi_cmdq_con = 0x44,
+ .dsi_type1_hs = 0x50,
+ .dsi_hstx_ckl_wc = 0x100,
+ .dsi_mem_conti = 0x048,
+ .dsi_time_con = 0x200,
+ .dsi_reserved = 0x3f8,
+ .dsi_state_dbg6 = 0x274,
+ .dsi_dbg_sel = 0x274,
+ .dsi_shadow_dbg = 0x0d0,
+ .dsi_vm_cmd_con = 0x110,
};
static const struct of_device_id mtk_dsi_of_match[] = {
@@ -1304,6 +1355,7 @@ static const struct of_device_id mtk_dsi_of_match[] = {
{ .compatible = "mediatek,mt8183-dsi", .data = &mt8183_dsi_driver_data },
{ .compatible = "mediatek,mt8186-dsi", .data = &mt8186_dsi_driver_data },
{ .compatible = "mediatek,mt8188-dsi", .data = &mt8188_dsi_driver_data },
+ { .compatible = "mediatek,mt8196-dsi", .data = &mt8196_dsi_driver_data },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, mtk_dsi_of_match);
@@ -21,4 +21,5 @@ obj-$(CONFIG_PHY_MTK_MIPI_CSI_0_5) += phy-mtk-mipi-csi-0-5.o
phy-mtk-mipi-dsi-drv-y := phy-mtk-mipi-dsi.o
phy-mtk-mipi-dsi-drv-y += phy-mtk-mipi-dsi-mt8173.o
phy-mtk-mipi-dsi-drv-y += phy-mtk-mipi-dsi-mt8183.o
+phy-mtk-mipi-dsi-drv-y += phy-mtk-mipi-dsi-mt8196.o
obj-$(CONFIG_PHY_MTK_MIPI_DSI) += phy-mtk-mipi-dsi-drv.o
new file mode 100644
@@ -0,0 +1,201 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2019 MediaTek Inc.
+ * Author: jitao.shi <jitao.shi@mediatek.com>
+ */
+
+#include "phy-mtk-io.h"
+#include "phy-mtk-mipi-dsi.h"
+
+#define MIPITX_LANE_CON 0x0004
+#define RG_DSI_CPHY_T1DRV_EN BIT(0)
+#define RG_DSI_ANA_CK_SEL BIT(1)
+#define RG_DSI_PHY_CK_SEL BIT(2)
+#define RG_DSI_CPHY_EN BIT(3)
+#define RG_DSI_PHYCK_INV_EN BIT(4)
+#define RG_DSI_PWR04_EN BIT(5)
+#define RG_DSI_BG_LPF_EN BIT(6)
+#define RG_DSI_BG_CORE_EN BIT(7)
+#define RG_DSI_PAD_TIEL_SEL BIT(8)
+
+#define MIPITX_VOLTAGE_SEL 0x0008
+#define RG_DSI_HSTX_LDO_REF_SEL GENMASK(9, 6)
+#define RG_DSI_PRD_REF_SEL GENMASK(5, 0)
+#define RG_DSI_PRD_REF_MINI 0
+#define RG_DSI_PRD_REF_DEF 4
+#define RG_DSI_PRD_REF_MAX 7
+
+#define MIPITX_PRESERVED 0x000c
+
+#define MIPITX_PLL_PWR 0x0028
+#define MIPITX_PLL_CON0 0x002c
+#define MIPITX_PLL_CON1 0x0030
+#define MIPITX_PLL_CON2 0x0034
+#define MIPITX_PLL_CON3 0x0038
+#define MIPITX_PLL_CON4 0x003c
+#define RG_DSI_PLL_IBIAS GENMASK(11, 10)
+
+#define MIPITX_PHY_SEL0 0x0040
+
+#define MIPITX_D2P_RTCODE 0x0100
+
+#define MIPITX_D2_SW_CTL_EN 0x015c
+#define MIPITX_D0_SW_CTL_EN 0x025c
+#define DSI_CK_CKMODE_EN BIT(0)
+#define MIPITX_CK_SW_CTL_EN 0x035c
+#define MIPITX_D1_SW_CTL_EN 0x045c
+#define MIPITX_D3_SW_CTL_EN 0x055c
+#define DSI_SW_CTL_EN BIT(0)
+#define AD_DSI_PLL_SDM_PWR_ON BIT(0)
+#define AD_DSI_PLL_SDM_ISO_EN BIT(1)
+
+#define MIPITX_D2_CKMODE_EN 0x0120
+#define DSI_D2_CKMODE_EN BIT(0)
+#define MIPITX_D0_CKMODE_EN 0x0220
+#define DSI_D0_CKMODE_EN BIT(0)
+#define MIPITX_CK_CKMODE_EN 0x0320
+#define MIPITX_D1_CKMODE_EN 0x0420
+#define DSI_D1_CKMODE_EN BIT(0)
+#define MIPITX_D3_CKMODE_EN 0x0520
+#define DSI_D3_CKMODE_EN BIT(0)
+
+#define RG_DSI_PLL_EN BIT(0)
+#define RG_DSI_PLL_POSDIV GENMASK(10, 8)
+#define RG_DSI_PLL_DIV3_EN BIT(28)
+#define RG_DSI_PLL_FBSEL BIT(13)
+
+#define DSI_PHY_LANE_SWAP 0x0618
+#define LANE_D0_SEL 0
+#define LANE_D1_SEL 4
+#define LANE_D2_SEL 8
+#define LANE_D3_SEL 12
+#define LANE_C0_SEL 16
+#define LANE_C1_SEL 20
+
+static int mtk_mipi_tx_pll_enable(struct clk_hw *hw)
+{
+ struct mtk_mipi_tx *mipi_tx = mtk_mipi_tx_from_clk_hw(hw);
+ void __iomem *base = mipi_tx->regs;
+ unsigned int txdiv, txdiv0;
+ u32 pcw = 0;
+
+ /* Select different voltage when different data rate */
+ if (mipi_tx->data_rate < 2500000000) {
+ mtk_phy_update_field(base + MIPITX_VOLTAGE_SEL,
+ RG_DSI_PRD_REF_SEL, RG_DSI_PRD_REF_MINI);
+ writel(0xffff00f0, base + MIPITX_PRESERVED);
+ } else {
+ mtk_phy_update_field(base + MIPITX_VOLTAGE_SEL,
+ RG_DSI_PRD_REF_SEL, RG_DSI_PRD_REF_DEF);
+ writel(0xffff0030, base + MIPITX_PRESERVED);
+ }
+
+ dev_dbg(mipi_tx->dev, "enable: %u bps\n", mipi_tx->data_rate);
+
+ if (mipi_tx->data_rate >= 2000000000) {
+ txdiv = 1;
+ txdiv0 = 0;
+ } else if (mipi_tx->data_rate >= 1000000000) {
+ txdiv = 2;
+ txdiv0 = 1;
+ } else if (mipi_tx->data_rate >= 500000000) {
+ txdiv = 4;
+ txdiv0 = 2;
+ } else if (mipi_tx->data_rate > 250000000) {
+ txdiv = 8;
+ txdiv0 = 3;
+ } else if (mipi_tx->data_rate >= 125000000) {
+ txdiv = 16;
+ txdiv0 = 4;
+ } else {
+ return -EINVAL;
+ }
+
+ mtk_phy_set_bits(base + MIPITX_PLL_PWR, AD_DSI_PLL_SDM_PWR_ON);
+ mtk_phy_clear_bits(base + MIPITX_PLL_CON1, RG_DSI_PLL_EN);
+ udelay(40);
+ mtk_phy_clear_bits(base + MIPITX_PLL_PWR, AD_DSI_PLL_SDM_ISO_EN);
+ pcw = div_u64(((u64)(mipi_tx->data_rate / 2) * txdiv) << 24, 26000000);
+ writel(pcw, base + MIPITX_PLL_CON0);
+ mtk_phy_update_field(base + MIPITX_PLL_CON1, RG_DSI_PLL_POSDIV, txdiv0);
+ udelay(40);
+ mtk_phy_set_bits(base + MIPITX_PLL_CON1, RG_DSI_PLL_EN);
+ udelay(40);
+
+ return 0;
+}
+
+static void mtk_mipi_tx_pll_disable(struct clk_hw *hw)
+{
+ struct mtk_mipi_tx *mipi_tx = mtk_mipi_tx_from_clk_hw(hw);
+ void __iomem *base = mipi_tx->regs;
+
+ mtk_phy_clear_bits(base + MIPITX_PLL_CON1, RG_DSI_PLL_EN);
+
+ mtk_phy_set_bits(base + MIPITX_PLL_PWR, AD_DSI_PLL_SDM_ISO_EN);
+ mtk_phy_clear_bits(base + MIPITX_PLL_PWR, AD_DSI_PLL_SDM_PWR_ON);
+}
+
+static long mtk_mipi_tx_pll_round_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long *prate)
+{
+ return clamp_val(rate, 125000000, 1600000000);
+}
+
+static const struct clk_ops mtk_mipi_tx_pll_ops = {
+ .enable = mtk_mipi_tx_pll_enable,
+ .disable = mtk_mipi_tx_pll_disable,
+ .round_rate = mtk_mipi_tx_pll_round_rate,
+ .set_rate = mtk_mipi_tx_pll_set_rate,
+ .recalc_rate = mtk_mipi_tx_pll_recalc_rate,
+};
+
+static void mtk_mipi_tx_power_on_signal(struct phy *phy)
+{
+ struct mtk_mipi_tx *mipi_tx = phy_get_drvdata(phy);
+ void __iomem *base = mipi_tx->regs;
+
+ /* BG_LPF_EN / BG_CORE_EN */
+ writel(RG_DSI_PAD_TIEL_SEL | RG_DSI_BG_CORE_EN, base + MIPITX_LANE_CON);
+ /* delay for mipi core enable */
+ usleep_range(30, 100);
+ writel(RG_DSI_BG_CORE_EN | RG_DSI_BG_LPF_EN, base + MIPITX_LANE_CON);
+
+ /* Switch OFF each Lane */
+ mtk_phy_clear_bits(base + MIPITX_D0_SW_CTL_EN, DSI_SW_CTL_EN);
+ mtk_phy_clear_bits(base + MIPITX_D1_SW_CTL_EN, DSI_SW_CTL_EN);
+ mtk_phy_clear_bits(base + MIPITX_D2_SW_CTL_EN, DSI_SW_CTL_EN);
+ mtk_phy_clear_bits(base + MIPITX_D3_SW_CTL_EN, DSI_SW_CTL_EN);
+ mtk_phy_clear_bits(base + MIPITX_CK_SW_CTL_EN, DSI_SW_CTL_EN);
+
+ /* The mipitx_drive is start from 3000 microamp and the range is
+ * 3000 ~ 6000 microamp. RG_DSI_HSTX_LDO_REF_SEL is the offset from
+ * 3000 microamp, so -3000.
+ */
+ mtk_phy_update_field(base + MIPITX_VOLTAGE_SEL, RG_DSI_HSTX_LDO_REF_SEL,
+ (mipi_tx->mipitx_drive - 3000) / 200);
+
+ mtk_phy_set_bits(base + MIPITX_CK_CKMODE_EN, DSI_CK_CKMODE_EN);
+}
+
+static void mtk_mipi_tx_power_off_signal(struct phy *phy)
+{
+ struct mtk_mipi_tx *mipi_tx = phy_get_drvdata(phy);
+ void __iomem *base = mipi_tx->regs;
+
+ /* Switch ON each Lane */
+ mtk_phy_set_bits(base + MIPITX_D0_SW_CTL_EN, DSI_SW_CTL_EN);
+ mtk_phy_set_bits(base + MIPITX_D1_SW_CTL_EN, DSI_SW_CTL_EN);
+ mtk_phy_set_bits(base + MIPITX_D2_SW_CTL_EN, DSI_SW_CTL_EN);
+ mtk_phy_set_bits(base + MIPITX_D3_SW_CTL_EN, DSI_SW_CTL_EN);
+ mtk_phy_set_bits(base + MIPITX_CK_SW_CTL_EN, DSI_SW_CTL_EN);
+
+ writel(RG_DSI_PAD_TIEL_SEL | RG_DSI_BG_CORE_EN, base + MIPITX_LANE_CON);
+ writel(RG_DSI_PAD_TIEL_SEL, base + MIPITX_LANE_CON);
+}
+
+const struct mtk_mipitx_data mt8196_mipitx_data = {
+ .mipi_tx_clk_ops = &mtk_mipi_tx_pll_ops,
+ .mipi_tx_enable_signal = mtk_mipi_tx_power_on_signal,
+ .mipi_tx_disable_signal = mtk_mipi_tx_power_off_signal,
+};
@@ -183,6 +183,7 @@ static const struct of_device_id mtk_mipi_tx_match[] = {
{ .compatible = "mediatek,mt2701-mipi-tx", .data = &mt2701_mipitx_data },
{ .compatible = "mediatek,mt8173-mipi-tx", .data = &mt8173_mipitx_data },
{ .compatible = "mediatek,mt8183-mipi-tx", .data = &mt8183_mipitx_data },
+ { .compatible = "mediatek,mt8196-mipi-tx", .data = &mt8196_mipitx_data },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, mtk_mipi_tx_match);
@@ -42,5 +42,6 @@ unsigned long mtk_mipi_tx_pll_recalc_rate(struct clk_hw *hw,
extern const struct mtk_mipitx_data mt2701_mipitx_data;
extern const struct mtk_mipitx_data mt8173_mipitx_data;
extern const struct mtk_mipitx_data mt8183_mipitx_data;
+extern const struct mtk_mipitx_data mt8196_mipitx_data;
#endif
Add dsi and mipi phy driver for mt8196. Signed-off-by: Bincai Liu <bincai.liu@mediatek.com> --- drivers/gpu/drm/mediatek/mtk_drm_drv.c | 2 + drivers/gpu/drm/mediatek/mtk_dsi.c | 248 +++++++++++------- drivers/phy/mediatek/Makefile | 1 + .../phy/mediatek/phy-mtk-mipi-dsi-mt8196.c | 201 ++++++++++++++ drivers/phy/mediatek/phy-mtk-mipi-dsi.c | 1 + drivers/phy/mediatek/phy-mtk-mipi-dsi.h | 1 + 6 files changed, 356 insertions(+), 98 deletions(-) create mode 100644 drivers/phy/mediatek/phy-mtk-mipi-dsi-mt8196.c