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Message-ID: <1452161052.4776.7.camel@pengutronix.de>
Date: Thu, 07 Jan 2016 11:04:12 +0100
From: Philipp Zabel <p.zabel@...gutronix.de>
To: Yakir Yang <ykk@...k-chips.com>
Cc: Mark Yao <mark.yao@...k-chips.com>,
Heiko Stuebner <heiko@...ech.de>,
Russell King <rmk+kernel@....linux.org.uk>,
Andy Yan <andy.yan@...k-chips.com>,
David Airlie <airlied@...ux.ie>,
Rob Herring <robh+dt@...nel.org>,
Kumar Gala <galak@...eaurora.org>,
Zheng Yang <zhengyang@...k-chips.com>,
dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-rockchip@...ts.infradead.org,
linux-arm-kernel@...ts.infradead.org
Subject: Re: [RFC PATCH v2 3/4] drm: rockchip: hdmi: add RK3229 HDMI support
Am Donnerstag, den 07.01.2016, 17:02 +0800 schrieb Yakir Yang:
> RK3229 integrate an DesignedWare HDMI2.0 controller and an INNO HDMI2.0 phy,
> the max output resolution is 4K.
>
> Signed-off-by: Yakir Yang <ykk@...k-chips.com>
It sounds like the INNO HDMI2.0 phy is not necessarily specific to
RK3229 but might also appear in other SoCs? If so, I think this should
be implemented in a separate phy driver and be used by dw_hdmi-rockchip.
regards
Philipp
> ---
> Changes in v2:
> - Split some dw-hdmi driver changes into separate patches [01/04] & [02/04]
>
> drivers/gpu/drm/bridge/dw-hdmi.c | 27 +-
> drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c | 367 ++++++++++++++++++++++++++--
> drivers/gpu/drm/rockchip/dw_hdmi-rockchip.h | 137 +++++++++++
> include/drm/bridge/dw_hdmi.h | 3 +
> 4 files changed, 507 insertions(+), 27 deletions(-)
> create mode 100644 drivers/gpu/drm/rockchip/dw_hdmi-rockchip.h
>
> diff --git a/drivers/gpu/drm/bridge/dw-hdmi.c b/drivers/gpu/drm/bridge/dw-hdmi.c
> index 5ad72ec..5e03d83 100644
> --- a/drivers/gpu/drm/bridge/dw-hdmi.c
> +++ b/drivers/gpu/drm/bridge/dw-hdmi.c
> @@ -735,10 +735,12 @@ static int hdmi_phy_configure(struct dw_hdmi *hdmi, unsigned char prep,
> {
> unsigned res_idx;
> u8 val, msec;
> + int ret;
> const struct dw_hdmi_plat_data *pdata = hdmi->plat_data;
> const struct dw_hdmi_mpll_config *mpll_config = pdata->mpll_cfg;
> const struct dw_hdmi_curr_ctrl *curr_ctrl = pdata->cur_ctr;
> const struct dw_hdmi_phy_config *phy_config = pdata->phy_config;
> + int mpixelclock = hdmi->hdmi_data.video_mode.mpixelclock;
>
> if (prep)
> return -EINVAL;
> @@ -758,27 +760,38 @@ static int hdmi_phy_configure(struct dw_hdmi *hdmi, unsigned char prep,
> return -EINVAL;
> }
>
> + if (hdmi->plat_data->extphy_config) {
> + /* gen2 tx power off */
> + dw_hdmi_phy_gen2_txpwron(hdmi, 0);
> + dw_hdmi_phy_gen2_pddq(hdmi, 1);
> +
> + ret = hdmi->plat_data->extphy_config(hdmi->plat_data, res_idx,
> + mpixelclock);
> + /* gen2 tx power on */
> + dw_hdmi_phy_gen2_txpwron(hdmi, 1);
> + dw_hdmi_phy_gen2_pddq(hdmi, 0);
> +
> + return ret;
> + }
> +
> /* PLL/MPLL Cfg - always match on final entry */
> for (; mpll_config->mpixelclock != ~0UL; mpll_config++)
> - if (hdmi->hdmi_data.video_mode.mpixelclock <=
> - mpll_config->mpixelclock)
> + if (mpixelclock <= mpll_config->mpixelclock)
> break;
>
> for (; curr_ctrl->mpixelclock != ~0UL; curr_ctrl++)
> - if (hdmi->hdmi_data.video_mode.mpixelclock <=
> - curr_ctrl->mpixelclock)
> + if (mpixelclock <= curr_ctrl->mpixelclock)
> break;
>
> for (; phy_config->mpixelclock != ~0UL; phy_config++)
> - if (hdmi->hdmi_data.video_mode.mpixelclock <=
> - phy_config->mpixelclock)
> + if (mpixelclock <= phy_config->mpixelclock)
> break;
>
> if (mpll_config->mpixelclock == ~0UL ||
> curr_ctrl->mpixelclock == ~0UL ||
> phy_config->mpixelclock == ~0UL) {
> dev_err(hdmi->dev, "Pixel clock %d - unsupported by HDMI\n",
> - hdmi->hdmi_data.video_mode.mpixelclock);
> + mpixelclock);
> return -EINVAL;
> }
>
> diff --git a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
> index 8164823..24fffaa 100644
> --- a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
> +++ b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
> @@ -7,6 +7,7 @@
> * (at your option) any later version.
> */
>
> +#include <linux/clk.h>
> #include <linux/module.h>
> #include <linux/platform_device.h>
> #include <linux/mfd/syscon.h>
> @@ -21,18 +22,134 @@
> #include "rockchip_drm_drv.h"
> #include "rockchip_drm_vop.h"
>
> -#define GRF_SOC_CON6 0x025c
> -#define HDMI_SEL_VOP_LIT (1 << 4)
> +#include "dw_hdmi-rockchip.h"
>
> struct rockchip_hdmi {
> struct device *dev;
> struct regmap *regmap;
> struct drm_encoder encoder;
> struct dw_hdmi_plat_data plat_data;
> +
> + void __iomem *extphy_regbase;
> + struct clk *extphy_pclk;
> };
>
> #define to_rockchip_hdmi(x) container_of(x, struct rockchip_hdmi, x)
>
> +static const struct extphy_config_tab rockchip_extphy_cfg[] = {
> + { .mpixelclock = 165000000,
> + .pre_emphasis = 0, .slopeboost = 0, .clk_level = 4,
> + .data0_level = 4, 4, 4,
> + },
> +
> + { .mpixelclock = 225000000,
> + .pre_emphasis = 0, .slopeboost = 0, .clk_level = 6,
> + .data0_level = 6, 6, 6,
> + },
> +
> + { .mpixelclock = 340000000,
> + .pre_emphasis = 1, .slopeboost = 0, .clk_level = 6,
> + .data0_level = 10, 10, 10,
> + },
> +
> + { .mpixelclock = 594000000,
> + .pre_emphasis = 1, .slopeboost = 0, .clk_level = 7,
> + .data0_level = 10, 10, 10,
> + },
> +
> + { .mpixelclock = ~0UL},
> +};
> +
> +static const struct extphy_pll_config_tab rockchip_extphy_pll_cfg[] = {
> + {
> + .mpixelclock = 27000000, .param = {
> + { .pll_nd = 1, .pll_nf = 45,
> + .tmsd_divider_a = 3, 1, 1,
> + .pclk_divider_a = 1, 3, 3, 4,
> + .vco_div_5 = 0,
> + .ppll_nd = 1, .ppll_nf = 40, .ppll_no = 8,
> + },
> + { .pll_nd = 1, .pll_nf = 45,
> + .tmsd_divider_a = 0, 3, 3,
> + .pclk_divider_a = 1, 3, 3, 4,
> + .vco_div_5 = 0,
> + .ppll_nd = 1, .ppll_nf = 40, .ppll_no = 8,
> + },
> + },
> + }, {
> + .mpixelclock = 59400000, .param = {
> + { .pll_nd = 2, .pll_nf = 99,
> + .tmsd_divider_a = 3, 1, 1,
> + .pclk_divider_a = 1, 3, 2, 2,
> + .vco_div_5 = 0,
> + .ppll_nd = 1, .ppll_nf = 40, .ppll_no = 8,
> + },
> + { .pll_nd = 2, .pll_nf = 99,
> + .tmsd_divider_a = 1, 1, 1,
> + .pclk_divider_a = 1, 3, 2, 2,
> + .vco_div_5 = 0,
> + .ppll_nd = 1, .ppll_nf = 40, .ppll_no = 8,
> + },
> + },
> + }, {
> + .mpixelclock = 74250000, .param = {
> + { .pll_nd = 2, .pll_nf = 99,
> + .tmsd_divider_a = 1, 1, 1,
> + .pclk_divider_a = 1, 2, 2, 2,
> + .vco_div_5 = 0,
> + .ppll_nd = 1, .ppll_nf = 40, .ppll_no = 8,
> + },
> + { .pll_nd = 4, .pll_nf = 495,
> + .tmsd_divider_a = 1, 2, 2,
> + .pclk_divider_a = 1, 3, 3, 4,
> + .vco_div_5 = 0,
> + .ppll_nd = 2, .ppll_nf = 40, .ppll_no = 4,
> + },
> + },
> + }, {
> + .mpixelclock = 148500000, .param = {
> + { .pll_nd = 2, .pll_nf = 99,
> + .tmsd_divider_a = 1, 0, 0,
> + .pclk_divider_a = 1, 2, 1, 1,
> + .vco_div_5 = 0,
> + .ppll_nd = 2, .ppll_nf = 40, .ppll_no = 4,
> + },
> + { .pll_nd = 4, .pll_nf = 495,
> + .tmsd_divider_a = 0, 2, 2,
> + .pclk_divider_a = 1, 3, 2, 2,
> + .vco_div_5 = 0,
> + .ppll_nd = 4, .ppll_nf = 40, .ppll_no = 2,
> + },
> + },
> + }, {
> + .mpixelclock = 297000000, .param = {
> + { .pll_nd = 2, .pll_nf = 99,
> + .tmsd_divider_a = 0, 0, 0,
> + .pclk_divider_a = 1, 0, 1, 1,
> + .vco_div_5 = 0,
> + .ppll_nd = 4, .ppll_nf = 40, .ppll_no = 2,
> + },
> + { .pll_nd = 4, .pll_nf = 495,
> + .tmsd_divider_a = 1, 2, 0,
> + .pclk_divider_a = 1, 3, 1, 1,
> + .vco_div_5 = 0,
> + .ppll_nd = 8, .ppll_nf = 40, .ppll_no = 1,
> + },
> + },
> + }, {
> + .mpixelclock = 594000000, .param = {
> + { .pll_nd = 1, .pll_nf = 99,
> + .tmsd_divider_a = 0, 2, 0,
> + .pclk_divider_a = 1, 0, 1, 1,
> + .vco_div_5 = 0,
> + .ppll_nd = 8, .ppll_nf = 40, .ppll_no = 1,
> + },
> + }
> + }, {
> + .mpixelclock = ~0UL,
> + }
> +};
> +
> static const struct dw_hdmi_mpll_config rockchip_mpll_cfg[] = {
> {
> 27000000, {
> @@ -142,9 +259,164 @@ static const struct dw_hdmi_phy_config rockchip_phy_config[] = {
> { ~0UL, 0x0000, 0x0000, 0x0000}
> };
>
> +static inline void hdmi_extphy_write(struct rockchip_hdmi *hdmi,
> + unsigned short data, unsigned char addr)
> +{
> + writel_relaxed(data, hdmi->extphy_regbase + (addr) * 0x04);
> +}
> +
> +static inline unsigned int hdmi_extphy_read(struct rockchip_hdmi *hdmi,
> + unsigned char addr)
> +{
> + return readl_relaxed(hdmi->extphy_regbase + (addr) * 0x04);
> +}
> +
> +static int rockchip_extphy_config(const struct dw_hdmi_plat_data *plat_data,
> + int res, int pixelclock)
> +{
> + struct rockchip_hdmi *hdmi = to_rockchip_hdmi(plat_data);
> + const struct extphy_pll_config_tab *mpll = rockchip_extphy_pll_cfg;
> + const struct extphy_config_tab *ctrl = rockchip_extphy_cfg;
> + const struct extphy_pll_config_param *param;
> + unsigned long timeout;
> + int i, stat;
> +
> + if (res >= DW_HDMI_RES_MAX) {
> + dev_err(hdmi->dev, "Extphy can't support res %d\n", res);
> + return -EINVAL;
> + }
> +
> + /* Find out the extphy MPLL configure parameters */
> + for (i = 0; mpll[i].mpixelclock != ~0UL; i++)
> + if (pixelclock == mpll[i].mpixelclock)
> + break;
> + if (mpll[i].mpixelclock == ~0UL) {
> + dev_err(hdmi->dev, "Extphy can't support %dHz\n", pixelclock);
> + return -EINVAL;
> + }
> + param = &mpll[i].param[res];
> +
> + regmap_write(hdmi->regmap, RK3229_GRF_SOC_CON2,
> + RK3229_PLL_POWER_DOWN | RK3229_PLL_PDATA_DEN);
> +
> + /*
> + * Configure external HDMI PHY PLL registers.
> + */
> + stat = ((param->pll_nf >> 1) & EXT_PHY_PLL_FB_BIT8_MASK) |
> + ((param->vco_div_5 & 1) << 5) |
> + (param->pll_nd & EXT_PHY_PLL_PRE_DIVIDER_MASK);
> + hdmi_extphy_write(hdmi, stat, EXT_PHY_PLL_PRE_DIVIDER);
> +
> + hdmi_extphy_write(hdmi, param->pll_nf, EXT_PHY_PLL_FB_DIVIDER);
> +
> + stat = (param->pclk_divider_a & EXT_PHY_PCLK_DIVIDERA_MASK) |
> + ((param->pclk_divider_b & 3) << 5);
> + hdmi_extphy_write(hdmi, stat, EXT_PHY_PCLK_DIVIDER1);
> +
> + stat = (param->pclk_divider_d & EXT_PHY_PCLK_DIVIDERD_MASK) |
> + ((param->pclk_divider_c & 3) << 5);
> + hdmi_extphy_write(hdmi, stat, EXT_PHY_PCLK_DIVIDER2);
> +
> + stat = ((param->tmsd_divider_c & 3) << 4) |
> + ((param->tmsd_divider_a & 3) << 2) |
> + (param->tmsd_divider_b & 3);
> + hdmi_extphy_write(hdmi, stat, EXT_PHY_TMDSCLK_DIVIDER);
> +
> + hdmi_extphy_write(hdmi, param->ppll_nf, EXT_PHY_PPLL_FB_DIVIDER);
> +
> + if (param->ppll_no == 1) {
> + hdmi_extphy_write(hdmi, 0, EXT_PHY_PPLL_POST_DIVIDER);
> +
> + stat = 0x20 | param->ppll_nd;
> + hdmi_extphy_write(hdmi, stat, EXT_PHY_PPLL_PRE_DIVIDER);
> + } else {
> + stat = ((param->ppll_no / 2) - 1) << 4;
> + hdmi_extphy_write(hdmi, stat, EXT_PHY_PPLL_POST_DIVIDER);
> +
> + stat = 0xe0 | param->ppll_nd;
> + hdmi_extphy_write(hdmi, stat, EXT_PHY_PPLL_PRE_DIVIDER);
> + }
> +
> +
> + /* Find out the external HDMI PHY driver configure parameters */
> + for (i = 0; ctrl[i].mpixelclock != ~0UL; i++)
> + if (pixelclock <= ctrl[i].mpixelclock)
> + break;
> + if (ctrl[i].mpixelclock == ~0UL) {
> + dev_err(hdmi->dev, "Extphy can't support %dHz\n", pixelclock);
> + return -EINVAL;
> + }
> +
> + /*
> + * Configure the external HDMI PHY driver registers.
> + */
> + if (ctrl[i].slopeboost) {
> + hdmi_extphy_write(hdmi, 0xff, EXT_PHY_SIGNAL_CTRL);
> +
> + stat = (ctrl[i].slopeboost - 1) & 3;
> + stat = (stat << 6) | (stat << 4) | (stat << 2) | stat;
> + hdmi_extphy_write(hdmi, stat, EXT_PHY_SLOPEBOOST);
> + } else
> + hdmi_extphy_write(hdmi, 0x0f, EXT_PHY_SIGNAL_CTRL);
> +
> + stat = ctrl[i].pre_emphasis & 3;
> + stat = (stat << 4) | (stat << 2) | stat;
> + hdmi_extphy_write(hdmi, stat, EXT_PHY_PREEMPHASIS);
> +
> + stat = ((ctrl[i].clk_level & 0xf) << 4) | (ctrl[i].data2_level & 0xf);
> + hdmi_extphy_write(hdmi, stat, EXT_PHY_LEVEL1);
> +
> + stat = ((ctrl[i].data1_level & 0xf) << 4) | (ctrl[i].data0_level & 0xf);
> + hdmi_extphy_write(hdmi, stat, EXT_PHY_LEVEL2);
> +
> + hdmi_extphy_write(hdmi, 0x22, 0xf3);
> +
> + stat = clk_get_rate(hdmi->extphy_pclk) / 100000;
> + hdmi_extphy_write(hdmi, ((stat >> 8) & 0xff) | 0x80, EXT_PHY_TERM_CAL);
> + hdmi_extphy_write(hdmi, stat & 0xff, EXT_PHY_TERM_CAL_DIV_L);
> +
> + if (pixelclock > 340000000)
> + stat = EXT_PHY_AUTO_R100_OHMS;
> + else if (pixelclock > 200000000)
> + stat = EXT_PHY_AUTO_R50_OHMS;
> + else
> + stat = EXT_PHY_AUTO_ROPEN_CIRCUIT;
> + hdmi_extphy_write(hdmi, stat | 0x20, EXT_PHY_TERM_RESIS_AUTO);
> + hdmi_extphy_write(hdmi, (stat >> 8) & 0xff, EXT_PHY_TERM_CAL);
> +
> + stat = (pixelclock > 200000000) ? 0 : 0x11;
> + hdmi_extphy_write(hdmi, stat, EXT_PHY_PLL_BW);
> + hdmi_extphy_write(hdmi, 0x27, EXT_PHY_PPLL_BW);
> +
> + regmap_write(hdmi->regmap, RK3229_GRF_SOC_CON2, RK3229_PLL_POWER_UP);
> +
> + /* Detect whether PLL is lock or not */
> + timeout = jiffies + msecs_to_jiffies(100);
> + while (!time_after(jiffies, timeout)) {
> + usleep_range(1000, 2000);
> + stat = hdmi_extphy_read(hdmi, EXT_PHY_PPLL_POST_DIVIDER);
> + if (stat & EXT_PHY_PPLL_LOCK_STATUS_MASK)
> + break;
> + }
> +
> + regmap_write(hdmi->regmap, RK3229_GRF_SOC_CON2, RK3229_PLL_PDATA_EN);
> +
> + if ((stat & EXT_PHY_PPLL_LOCK_STATUS_MASK) == 0) {
> + dev_err(hdmi->dev, "EXT PHY PLL not locked\n");
> + return -EBUSY;
> + }
> +
> + return 0;
> +}
> +
> static int rockchip_hdmi_parse_dt(struct rockchip_hdmi *hdmi)
> {
> struct device_node *np = hdmi->dev->of_node;
> + struct platform_device *pdev;
> + struct resource *iores;
> + int ret;
> +
> + pdev = container_of(hdmi->dev, struct platform_device, dev);
>
> hdmi->regmap = syscon_regmap_lookup_by_phandle(np, "rockchip,grf");
> if (IS_ERR(hdmi->regmap)) {
> @@ -152,6 +424,37 @@ static int rockchip_hdmi_parse_dt(struct rockchip_hdmi *hdmi)
> return PTR_ERR(hdmi->regmap);
> }
>
> + if (hdmi->plat_data.dev_type == RK3229_HDMI) {
> + iores = platform_get_resource(pdev, IORESOURCE_MEM, 1);
> + if (!iores)
> + return -ENXIO;
> +
> + hdmi->extphy_regbase = devm_ioremap_resource(hdmi->dev, iores);
> + if (IS_ERR(hdmi->extphy_regbase)) {
> + dev_err(hdmi->dev, "failed to map extphy regbase\n");
> + return PTR_ERR(hdmi->extphy_regbase);
> + }
> +
> + hdmi->extphy_pclk = devm_clk_get(hdmi->dev, "extphy");
> + if (IS_ERR(hdmi->extphy_pclk)) {
> + dev_err(hdmi->dev, "failed to get extphy clock\n");
> + return PTR_ERR(hdmi->extphy_pclk);
> + }
> +
> + ret = clk_prepare_enable(hdmi->extphy_pclk);
> + if (ret) {
> + dev_err(hdmi->dev, "failed to enable extphy clk: %d\n",
> + ret);
> + return ret;
> + }
> +
> + regmap_write(hdmi->regmap, RK3229_GRF_SOC_CON6,
> + RK3229_IO_3V_DOMAIN);
> +
> + regmap_write(hdmi->regmap, RK3229_GRF_SOC_CON2,
> + RK3229_DDC_MASK_EN);
> + }
> +
> return 0;
> }
>
> @@ -159,17 +462,23 @@ static enum drm_mode_status
> dw_hdmi_rockchip_mode_valid(const struct dw_hdmi_plat_data *plat_data,
> struct drm_display_mode *mode)
> {
> - const struct dw_hdmi_mpll_config *mpll_cfg = rockchip_mpll_cfg;
> int pclk = mode->clock * 1000;
> bool valid = false;
> int i;
>
> - for (i = 0; mpll_cfg[i].mpixelclock != (~0UL); i++) {
> - if (pclk == mpll_cfg[i].mpixelclock) {
> - valid = true;
> - break;
> - }
> - }
> + if (plat_data->dev_type == RK3288_HDMI)
> + for (i = 0; rockchip_mpll_cfg[i].mpixelclock != ~0UL; i++)
> + if (pclk == rockchip_mpll_cfg[i].mpixelclock) {
> + valid = true;
> + break;
> + }
> +
> + if (plat_data->dev_type == RK3229_HDMI)
> + for (i = 0; rockchip_extphy_pll_cfg[i].mpixelclock != ~0UL; i++)
> + if (pclk == rockchip_extphy_pll_cfg[i].mpixelclock) {
> + valid = true;
> + break;
> + }
>
> return (valid) ? MODE_OK : MODE_BAD;
> }
> @@ -199,21 +508,30 @@ static void dw_hdmi_rockchip_encoder_mode_set(struct drm_encoder *encoder,
> static void dw_hdmi_rockchip_encoder_enable(struct drm_encoder *encoder)
> {
> struct rockchip_hdmi *hdmi = to_rockchip_hdmi(encoder);
> + int out_mode = ROCKCHIP_OUT_MODE_AAAA;
> u32 val;
> int mux;
>
> + if (hdmi->plat_data.dev_type == RK3229_HDMI)
> + out_mode = ROCKCHIP_OUT_MODE_P888;
> +
> rockchip_drm_crtc_mode_config(encoder->crtc, DRM_MODE_CONNECTOR_HDMIA,
> - ROCKCHIP_OUT_MODE_AAAA);
> + out_mode);
>
> - mux = rockchip_drm_encoder_get_mux_id(hdmi->dev->of_node, encoder);
> - if (mux)
> - val = HDMI_SEL_VOP_LIT | (HDMI_SEL_VOP_LIT << 16);
> - else
> - val = HDMI_SEL_VOP_LIT << 16;
> + if (hdmi->plat_data.dev_type == RK3288_HDMI) {
> + mux = rockchip_drm_encoder_get_mux_id(hdmi->dev->of_node,
> + encoder);
> + if (mux)
> + val = RK3288_HDMI_SEL_VOP_LIT |
> + (RK3288_HDMI_SEL_VOP_LIT << 16);
> + else
> + val = RK3288_HDMI_SEL_VOP_LIT << 16;
>
> - regmap_write(hdmi->regmap, GRF_SOC_CON6, val);
> - dev_dbg(hdmi->dev, "vop %s output to hdmi\n",
> - (mux) ? "LIT" : "BIG");
> + regmap_write(hdmi->regmap, RK3288_GRF_SOC_CON6, val);
> +
> + dev_dbg(hdmi->dev, "vop %s output to hdmi\n",
> + (mux) ? "LIT" : "BIG");
> + }
> }
>
> static const struct drm_encoder_helper_funcs dw_hdmi_rockchip_encoder_helper_funcs = {
> @@ -223,7 +541,7 @@ static const struct drm_encoder_helper_funcs dw_hdmi_rockchip_encoder_helper_fun
> .disable = dw_hdmi_rockchip_encoder_disable,
> };
>
> -static const struct dw_hdmi_plat_data rockchip_hdmi_drv_data = {
> +static const struct dw_hdmi_plat_data rk3288_hdmi_drv_data = {
> .mode_valid = dw_hdmi_rockchip_mode_valid,
> .mpll_cfg = rockchip_mpll_cfg,
> .cur_ctr = rockchip_cur_ctr,
> @@ -231,9 +549,18 @@ static const struct dw_hdmi_plat_data rockchip_hdmi_drv_data = {
> .dev_type = RK3288_HDMI,
> };
>
> +static const struct dw_hdmi_plat_data rk3229_hdmi_drv_data = {
> + .mode_valid = dw_hdmi_rockchip_mode_valid,
> + .extphy_config = rockchip_extphy_config,
> + .dev_type = RK3229_HDMI,
> +};
> +
> static const struct of_device_id dw_hdmi_rockchip_dt_ids[] = {
> { .compatible = "rockchip,rk3288-dw-hdmi",
> - .data = &rockchip_hdmi_drv_data
> + .data = &rk3288_hdmi_drv_data
> + },
> + { .compatible = "rockchip,rk3229-dw-hdmi",
> + .data = &rk3229_hdmi_drv_data
> },
> {},
> };
> diff --git a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.h b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.h
> new file mode 100644
> index 0000000..f7ec733
> --- /dev/null
> +++ b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.h
> @@ -0,0 +1,137 @@
> +#ifndef __DW_HDMI_ROCKCHIP__
> +#define __DW_HDMI_ROCKCHIP__
> +
> +struct extphy_config_tab {
> + u32 mpixelclock;
> + int pre_emphasis;
> + int slopeboost;
> + int clk_level;
> + int data0_level;
> + int data1_level;
> + int data2_level;
> +};
> +
> +struct extphy_pll_config_tab {
> + unsigned long mpixelclock;
> + struct extphy_pll_config_param {
> + u8 pll_nd;
> + u16 pll_nf;
> + u8 tmsd_divider_a;
> + u8 tmsd_divider_b;
> + u8 tmsd_divider_c;
> + u8 pclk_divider_a;
> + u8 pclk_divider_b;
> + u8 pclk_divider_c;
> + u8 pclk_divider_d;
> + u8 vco_div_5;
> + u8 ppll_nd;
> + u8 ppll_nf;
> + u8 ppll_no;
> + } param[DW_HDMI_RES_MAX];
> +};
> +
> +#define RK3288_GRF_SOC_CON6 0x025c
> +#define RK3288_HDMI_SEL_VOP_LIT (1 << 4)
> +
> +#define RK3229_GRF_SOC_CON6 0x0418
> +#define RK3229_IO_3V_DOMAIN ((7 << 4) | (7 << (4 + 16)))
> +
> +#define RK3229_GRF_SOC_CON2 0x0408
> +#define RK3229_DDC_MASK_EN ((3 << 13) | (3 << (13 + 16)))
> +
> +#define RK3229_PLL_POWER_DOWN (BIT(12) | BIT(12 + 16))
> +#define RK3229_PLL_POWER_UP BIT(12 + 16)
> +#define RK3229_PLL_PDATA_DEN BIT(11 + 16)
> +#define RK3229_PLL_PDATA_EN (BIT(11) | BIT(11 + 16))
> +
> +/* PHY Defined for RK322X */
> +#define EXT_PHY_CONTROL 0
> +#define EXT_PHY_ANALOG_RESET_MASK 0x80
> +#define EXT_PHY_DIGITAL_RESET_MASK 0x40
> +#define EXT_PHY_PCLK_INVERT_MASK 0x08
> +#define EXT_PHY_PREPCLK_INVERT_MASK 0x04
> +#define EXT_PHY_TMDSCLK_INVERT_MASK 0x02
> +#define EXT_PHY_SRC_SELECT_MASK 0x01
> +
> +#define EXT_PHY_TERM_CAL 0x03
> +#define EXT_PHY_TERM_CAL_EN_MASK 0x80
> +#define EXT_PHY_TERM_CAL_DIV_H_MASK 0x7f
> +
> +#define EXT_PHY_TERM_CAL_DIV_L 0x04
> +
> +#define EXT_PHY_PLL_PRE_DIVIDER 0xe2
> +#define EXT_PHY_PLL_FB_BIT8_MASK 0x80
> +#define EXT_PHY_PLL_PCLK_DIV5_EN_MASK 0x20
> +#define EXT_PHY_PLL_PRE_DIVIDER_MASK 0x1f
> +
> +#define EXT_PHY_PLL_FB_DIVIDER 0xe3
> +
> +#define EXT_PHY_PCLK_DIVIDER1 0xe4
> +#define EXT_PHY_PCLK_DIVIDERB_MASK 0x60
> +#define EXT_PHY_PCLK_DIVIDERA_MASK 0x1f
> +
> +#define EXT_PHY_PCLK_DIVIDER2 0xe5
> +#define EXT_PHY_PCLK_DIVIDERC_MASK 0x60
> +#define EXT_PHY_PCLK_DIVIDERD_MASK 0x1f
> +
> +#define EXT_PHY_TMDSCLK_DIVIDER 0xe6
> +#define EXT_PHY_TMDSCLK_DIVIDERC_MASK 0x30
> +#define EXT_PHY_TMDSCLK_DIVIDERA_MASK 0x0c
> +#define EXT_PHY_TMDSCLK_DIVIDERB_MASK 0x03
> +
> +#define EXT_PHY_PLL_BW 0xe7
> +
> +#define EXT_PHY_PPLL_PRE_DIVIDER 0xe9
> +#define EXT_PHY_PPLL_ENABLE_MASK 0xc0
> +#define EXT_PHY_PPLL_PRE_DIVIDER_MASK 0x1f
> +
> +#define EXT_PHY_PPLL_FB_DIVIDER 0xea
> +
> +#define EXT_PHY_PPLL_POST_DIVIDER 0xeb
> +#define EXT_PHY_PPLL_FB_DIVIDER_BIT8_MASK 0x80
> +#define EXT_PHY_PPLL_POST_DIVIDER_MASK 0x30
> +#define EXT_PHY_PPLL_LOCK_STATUS_MASK 0x01
> +
> +#define EXT_PHY_PPLL_BW 0xec
> +
> +#define EXT_PHY_SIGNAL_CTRL 0xee
> +#define EXT_PHY_TRANSITION_CLK_EN_MASK 0x80
> +#define EXT_PHY_TRANSITION_D0_EN_MASK 0x40
> +#define EXT_PHY_TRANSITION_D1_EN_MASK 0x20
> +#define EXT_PHY_TRANSITION_D2_EN_MASK 0x10
> +#define EXT_PHY_LEVEL_CLK_EN_MASK 0x08
> +#define EXT_PHY_LEVEL_D0_EN_MASK 0x04
> +#define EXT_PHY_LEVEL_D1_EN_MASK 0x02
> +#define EXT_PHY_LEVEL_D2_EN_MASK 0x01
> +
> +#define EXT_PHY_SLOPEBOOST 0xef
> +#define EXT_PHY_SLOPEBOOST_CLK_MASK 0x03
> +#define EXT_PHY_SLOPEBOOST_D0_MASK 0x0c
> +#define EXT_PHY_SLOPEBOOST_D1_MASK 0x30
> +#define EXT_PHY_SLOPEBOOST_D2_MASK 0xc0
> +
> +#define EXT_PHY_PREEMPHASIS 0xf0
> +#define EXT_PHY_PREEMPHASIS_D0_MASK 0x03
> +#define EXT_PHY_PREEMPHASIS_D1_MASK 0x0c
> +#define EXT_PHY_PREEMPHASIS_D2_MASK 0x30
> +
> +#define EXT_PHY_LEVEL1 0xf1
> +#define EXT_PHY_LEVEL_CLK_MASK 0xf0
> +#define EXT_PHY_LEVEL_D2_MASK 0x0f
> +
> +#define EXT_PHY_LEVEL2 0xf2
> +#define EXT_PHY_LEVEL_D1_MASK 0xf0
> +#define EXT_PHY_LEVEL_D0_MASK 0x0f
> +
> +#define EXT_PHY_TERM_RESIS_AUTO 0xf4
> +#define EXT_PHY_AUTO_R50_OHMS 0
> +#define EXT_PHY_AUTO_R75_OHMS (1 << 2)
> +#define EXT_PHY_AUTO_R100_OHMS (2 << 2)
> +#define EXT_PHY_AUTO_ROPEN_CIRCUIT (3 << 2)
> +
> +#define EXT_PHY_TERM_RESIS_MANUAL_CLK 0xfb
> +#define EXT_PHY_TERM_RESIS_MANUAL_D2 0xfc
> +#define EXT_PHY_TERM_RESIS_MANUAL_D1 0xfd
> +#define EXT_PHY_TERM_RESIS_MANUAL_D0 0xfe
> +
> +#endif /* __DW_HDMI_ROCKCHIP__ */
> diff --git a/include/drm/bridge/dw_hdmi.h b/include/drm/bridge/dw_hdmi.h
> index f8dec64..4e63158 100644
> --- a/include/drm/bridge/dw_hdmi.h
> +++ b/include/drm/bridge/dw_hdmi.h
> @@ -24,6 +24,7 @@ enum {
> enum dw_hdmi_devtype {
> IMX6Q_HDMI,
> IMX6DL_HDMI,
> + RK3229_HDMI,
> RK3288_HDMI,
> };
>
> @@ -54,6 +55,8 @@ struct dw_hdmi_plat_data {
> const struct dw_hdmi_phy_config *phy_config;
> enum drm_mode_status (*mode_valid)(const struct dw_hdmi_plat_data *pd,
> struct drm_display_mode *mode);
> + int (*extphy_config)(const struct dw_hdmi_plat_data *plat_data,
> + int res_idx, int pixelclock);
> };
>
> void dw_hdmi_unbind(struct device *dev, struct device *master, void *data);
--
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