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drm: omapdrm: Move FEAT_DSI_* features to dsi driver
authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Fri, 4 Aug 2017 22:44:10 +0000 (01:44 +0300)
committerTomi Valkeinen <tomi.valkeinen@ti.com>
Tue, 15 Aug 2017 12:18:25 +0000 (15:18 +0300)
The FEAT_DSI_* features are specific to the DSI, move them from the
omap_dss_features structure to the dsi driver.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
drivers/gpu/drm/omapdrm/dss/dsi.c
drivers/gpu/drm/omapdrm/dss/dss_features.c
drivers/gpu/drm/omapdrm/dss/dss_features.h

index 3d98e9c..1af2c53 100644 (file)
@@ -44,6 +44,7 @@
 #include <linux/of_graph.h>
 #include <linux/of_platform.h>
 #include <linux/component.h>
+#include <linux/sys_soc.h>
 
 #include <video/mipi_display.h>
 
@@ -312,10 +313,20 @@ struct dsi_module_id_data {
        int id;
 };
 
+enum dsi_quirks {
+       DSI_QUIRK_PLL_PWR_BUG = (1 << 0),       /* DSI-PLL power command 0x3 is not working */
+       DSI_QUIRK_DCS_CMD_CONFIG_VC = (1 << 1),
+       DSI_QUIRK_VC_OCP_WIDTH = (1 << 2),
+       DSI_QUIRK_REVERSE_TXCLKESC = (1 << 3),
+       DSI_QUIRK_GNQ = (1 << 4),
+       DSI_QUIRK_PHY_DCC = (1 << 5),
+};
+
 struct dsi_of_data {
        enum dsi_model model;
        const struct dss_pll_hw *pll_hw;
        const struct dsi_module_id_data *modules;
+       enum dsi_quirks quirks;
 };
 
 struct dsi_data {
@@ -418,8 +429,6 @@ struct dsi_packet_sent_handler_data {
        struct completion *completion;
 };
 
-static const struct of_device_id dsi_of_match[];
-
 #ifdef DSI_PERF_MEASURE
 static bool dsi_perf;
 module_param(dsi_perf, bool, 0644);
@@ -1202,6 +1211,7 @@ static int dsi_regulator_init(struct platform_device *dsidev)
 
 static void _dsi_print_reset_status(struct platform_device *dsidev)
 {
+       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        u32 l;
        int b0, b1, b2;
 
@@ -1210,7 +1220,7 @@ static void _dsi_print_reset_status(struct platform_device *dsidev)
         * I/O. */
        l = dsi_read_reg(dsidev, DSI_DSIPHY_CFG5);
 
-       if (dss_has_feature(FEAT_DSI_REVERSE_TXCLKESC)) {
+       if (dsi->data->quirks & DSI_QUIRK_REVERSE_TXCLKESC) {
                b0 = 28;
                b1 = 27;
                b2 = 26;
@@ -1365,11 +1375,12 @@ enum dsi_pll_power_state {
 static int dsi_pll_power(struct platform_device *dsidev,
                enum dsi_pll_power_state state)
 {
+       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        int t = 0;
 
        /* DSI-PLL power command 0x3 is not working */
-       if (dss_has_feature(FEAT_DSI_PLL_PWR_BUG) &&
-                       state == DSI_PLL_POWER_ON_DIV)
+       if ((dsi->data->quirks & DSI_QUIRK_PLL_PWR_BUG) &&
+           state == DSI_PLL_POWER_ON_DIV)
                state = DSI_PLL_POWER_ON_ALL;
 
        /* PLL_PWR_CMD */
@@ -1789,13 +1800,14 @@ static int dsi_cio_power(struct platform_device *dsidev,
 
 static unsigned dsi_get_line_buf_size(struct platform_device *dsidev)
 {
+       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        int val;
 
        /* line buffer on OMAP3 is 1024 x 24bits */
        /* XXX: for some reason using full buffer size causes
         * considerable TX slowdown with update sizes that fill the
         * whole buffer */
-       if (!dss_has_feature(FEAT_DSI_GNQ))
+       if (!(dsi->data->quirks & DSI_QUIRK_GNQ))
                return 1023 * 3;
 
        val = REG_GET(dsidev, DSI_GNQ, 14, 12); /* VP1_LINE_BUFFER_SIZE */
@@ -1888,6 +1900,7 @@ static inline unsigned ddr2ns(struct platform_device *dsidev, unsigned ddr)
 
 static void dsi_cio_timings(struct platform_device *dsidev)
 {
+       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        u32 r;
        u32 ths_prepare, ths_prepare_ths_zero, ths_trail, ths_exit;
        u32 tlpx_half, tclk_trail, tclk_zero;
@@ -1950,7 +1963,7 @@ static void dsi_cio_timings(struct platform_device *dsidev)
        r = FLD_MOD(r, tclk_trail, 15, 8);
        r = FLD_MOD(r, tclk_zero, 7, 0);
 
-       if (dss_has_feature(FEAT_DSI_PHY_DCC)) {
+       if (dsi->data->quirks & DSI_QUIRK_PHY_DCC) {
                r = FLD_MOD(r, 0, 21, 21);      /* DCCEN = disable */
                r = FLD_MOD(r, 1, 22, 22);      /* CLKINP_DIVBY2EN = enable */
                r = FLD_MOD(r, 1, 23, 23);      /* CLKINP_SEL = enable */
@@ -2022,7 +2035,7 @@ static int dsi_cio_wait_tx_clk_esc_reset(struct platform_device *dsidev)
        static const u8 offsets_new[] = { 24, 25, 26, 27, 28 };
        const u8 *offsets;
 
-       if (dss_has_feature(FEAT_DSI_REVERSE_TXCLKESC))
+       if (dsi->data->quirks & DSI_QUIRK_REVERSE_TXCLKESC)
                offsets = offsets_old;
        else
                offsets = offsets_new;
@@ -2513,7 +2526,7 @@ static void dsi_vc_initial_config(struct platform_device *dsidev, int channel)
        r = FLD_MOD(r, 1, 7, 7); /* CS_TX_EN */
        r = FLD_MOD(r, 1, 8, 8); /* ECC_TX_EN */
        r = FLD_MOD(r, 0, 9, 9); /* MODE_SPEED, high speed on/off */
-       if (dss_has_feature(FEAT_DSI_VC_OCP_WIDTH))
+       if (dsi->data->quirks & DSI_QUIRK_VC_OCP_WIDTH)
                r = FLD_MOD(r, 3, 11, 10);      /* OCP_WIDTH = 32 bit */
 
        r = FLD_MOD(r, 4, 29, 27); /* DMA_RX_REQ_NB = no dma */
@@ -2548,7 +2561,7 @@ static int dsi_vc_config_source(struct platform_device *dsidev, int channel,
        REG_FLD_MOD(dsidev, DSI_VC_CTRL(channel), source, 1, 1);
 
        /* DCS_CMD_ENABLE */
-       if (dss_has_feature(FEAT_DSI_DCS_CMD_CONFIG_VC)) {
+       if (dsi->data->quirks & DSI_QUIRK_DCS_CMD_CONFIG_VC) {
                bool enable = source == DSI_VC_SOURCE_VP;
                REG_FLD_MOD(dsidev, DSI_VC_CTRL(channel), enable, 30, 30);
        }
@@ -3681,7 +3694,7 @@ static int dsi_proto_config(struct platform_device *dsidev)
        r = FLD_MOD(r, 0, 8, 8);        /* VP_CLK_POL */
        r = FLD_MOD(r, 1, 14, 14);      /* TRIGGER_RESET_MODE */
        r = FLD_MOD(r, 1, 19, 19);      /* EOT_ENABLE */
-       if (!dss_has_feature(FEAT_DSI_DCS_CMD_CONFIG_VC)) {
+       if (!(dsi->data->quirks & DSI_QUIRK_DCS_CMD_CONFIG_VC)) {
                r = FLD_MOD(r, 1, 24, 24);      /* DCS_CMD_ENABLE */
                /* DCS_CMD_CODE, 1=start, 0=continue */
                r = FLD_MOD(r, 0, 25, 25);
@@ -5315,9 +5328,66 @@ static int dsi_init_pll_data(struct platform_device *dsidev)
 }
 
 /* DSI1 HW IP initialisation */
+static const struct dsi_of_data dsi_of_data_omap34xx = {
+       .model = DSI_MODEL_OMAP3,
+       .pll_hw = &dss_omap3_dsi_pll_hw,
+       .modules = (const struct dsi_module_id_data[]) {
+               { .address = 0x4804fc00, .id = 0, },
+               { },
+       },
+       .quirks = DSI_QUIRK_REVERSE_TXCLKESC,
+};
+
+static const struct dsi_of_data dsi_of_data_omap36xx = {
+       .model = DSI_MODEL_OMAP3,
+       .pll_hw = &dss_omap3_dsi_pll_hw,
+       .modules = (const struct dsi_module_id_data[]) {
+               { .address = 0x4804fc00, .id = 0, },
+               { },
+       },
+       .quirks = DSI_QUIRK_PLL_PWR_BUG,
+};
+
+static const struct dsi_of_data dsi_of_data_omap4 = {
+       .model = DSI_MODEL_OMAP4,
+       .pll_hw = &dss_omap4_dsi_pll_hw,
+       .modules = (const struct dsi_module_id_data[]) {
+               { .address = 0x58004000, .id = 0, },
+               { .address = 0x58005000, .id = 1, },
+               { },
+       },
+       .quirks = DSI_QUIRK_DCS_CMD_CONFIG_VC | DSI_QUIRK_VC_OCP_WIDTH
+               | DSI_QUIRK_GNQ,
+};
+
+static const struct dsi_of_data dsi_of_data_omap5 = {
+       .model = DSI_MODEL_OMAP5,
+       .pll_hw = &dss_omap5_dsi_pll_hw,
+       .modules = (const struct dsi_module_id_data[]) {
+               { .address = 0x58004000, .id = 0, },
+               { .address = 0x58009000, .id = 1, },
+               { },
+       },
+       .quirks = DSI_QUIRK_DCS_CMD_CONFIG_VC | DSI_QUIRK_VC_OCP_WIDTH
+               | DSI_QUIRK_GNQ | DSI_QUIRK_PHY_DCC,
+};
+
+static const struct of_device_id dsi_of_match[] = {
+       { .compatible = "ti,omap3-dsi", .data = &dsi_of_data_omap36xx, },
+       { .compatible = "ti,omap4-dsi", .data = &dsi_of_data_omap4, },
+       { .compatible = "ti,omap5-dsi", .data = &dsi_of_data_omap5, },
+       {},
+};
+
+static const struct soc_device_attribute dsi_soc_devices[] = {
+       { .machine = "OMAP3[45]*",      .data = &dsi_of_data_omap34xx },
+       { .machine = "AM35*",           .data = &dsi_of_data_omap34xx },
+       { /* sentinel */ }
+};
 static int dsi_bind(struct device *dev, struct device *master, void *data)
 {
        struct platform_device *dsidev = to_platform_device(dev);
+       const struct soc_device_attribute *soc;
        const struct dsi_module_id_data *d;
        u32 rev;
        int r, i;
@@ -5381,7 +5451,12 @@ static int dsi_bind(struct device *dev, struct device *master, void *data)
                return r;
        }
 
-       dsi->data = of_match_node(dsi_of_match, dsidev->dev.of_node)->data;
+       soc = soc_device_match(dsi_soc_devices);
+       if (soc)
+               dsi->data = soc->data;
+       else
+               dsi->data = of_match_node(dsi_of_match, dev->of_node)->data;
+
        d = dsi->data->modules;
        while (d->address != 0 && d->address != dsi_mem->start)
                d++;
@@ -5433,7 +5508,7 @@ static int dsi_bind(struct device *dev, struct device *master, void *data)
 
        /* DSI on OMAP3 doesn't have register DSI_GNQ, set number
         * of data to 3 by default */
-       if (dss_has_feature(FEAT_DSI_GNQ))
+       if (dsi->data->quirks & DSI_QUIRK_GNQ)
                /* NB_DATA_LANES */
                dsi->num_lanes_supported = 1 + REG_GET(dsidev, DSI_GNQ, 11, 9);
        else
@@ -5553,42 +5628,6 @@ static const struct dev_pm_ops dsi_pm_ops = {
        .runtime_resume = dsi_runtime_resume,
 };
 
-static const struct dsi_of_data dsi_of_data_omap3 = {
-       .model = DSI_MODEL_OMAP3,
-       .pll_hw = &dss_omap3_dsi_pll_hw,
-       .modules = (const struct dsi_module_id_data[]) {
-               { .address = 0x4804fc00, .id = 0, },
-               { },
-       },
-};
-
-static const struct dsi_of_data dsi_of_data_omap4 = {
-       .model = DSI_MODEL_OMAP4,
-       .pll_hw = &dss_omap4_dsi_pll_hw,
-       .modules = (const struct dsi_module_id_data[]) {
-               { .address = 0x58004000, .id = 0, },
-               { .address = 0x58005000, .id = 1, },
-               { },
-       },
-};
-
-static const struct dsi_of_data dsi_of_data_omap5 = {
-       .model = DSI_MODEL_OMAP5,
-       .pll_hw = &dss_omap5_dsi_pll_hw,
-       .modules = (const struct dsi_module_id_data[]) {
-               { .address = 0x58004000, .id = 0, },
-               { .address = 0x58009000, .id = 1, },
-               { },
-       },
-};
-
-static const struct of_device_id dsi_of_match[] = {
-       { .compatible = "ti,omap3-dsi", .data = &dsi_of_data_omap3, },
-       { .compatible = "ti,omap4-dsi", .data = &dsi_of_data_omap4, },
-       { .compatible = "ti,omap5-dsi", .data = &dsi_of_data_omap5, },
-       {},
-};
-
 static struct platform_driver omap_dsihw_driver = {
        .probe          = dsi_probe,
        .remove         = dsi_remove,
index dcdc66b..f2c61bc 100644 (file)
@@ -165,7 +165,6 @@ static const enum dss_feat_id omap3430_dss_feat_list[] = {
        FEAT_LINEBUFFERSPLIT,
        FEAT_ROWREPEATENABLE,
        FEAT_RESIZECONF,
-       FEAT_DSI_REVERSE_TXCLKESC,
        FEAT_CPR,
        FEAT_PRELOAD,
        FEAT_FIR_COEF_V,
@@ -183,7 +182,6 @@ static const enum dss_feat_id am35xx_dss_feat_list[] = {
        FEAT_LINEBUFFERSPLIT,
        FEAT_ROWREPEATENABLE,
        FEAT_RESIZECONF,
-       FEAT_DSI_REVERSE_TXCLKESC,
        FEAT_CPR,
        FEAT_PRELOAD,
        FEAT_FIR_COEF_V,
@@ -215,7 +213,6 @@ static const enum dss_feat_id omap3630_dss_feat_list[] = {
        FEAT_LINEBUFFERSPLIT,
        FEAT_ROWREPEATENABLE,
        FEAT_RESIZECONF,
-       FEAT_DSI_PLL_PWR_BUG,
        FEAT_CPR,
        FEAT_PRELOAD,
        FEAT_FIR_COEF_V,
@@ -229,9 +226,6 @@ static const enum dss_feat_id omap4430_es1_0_dss_feat_list[] = {
        FEAT_MGR_LCD2,
        FEAT_CORE_CLK_DIV,
        FEAT_LCD_CLK_SRC,
-       FEAT_DSI_DCS_CMD_CONFIG_VC,
-       FEAT_DSI_VC_OCP_WIDTH,
-       FEAT_DSI_GNQ,
        FEAT_HANDLE_UV_SEPARATE,
        FEAT_ATTR2,
        FEAT_CPR,
@@ -246,9 +240,6 @@ static const enum dss_feat_id omap4430_es2_0_1_2_dss_feat_list[] = {
        FEAT_MGR_LCD2,
        FEAT_CORE_CLK_DIV,
        FEAT_LCD_CLK_SRC,
-       FEAT_DSI_DCS_CMD_CONFIG_VC,
-       FEAT_DSI_VC_OCP_WIDTH,
-       FEAT_DSI_GNQ,
        FEAT_HDMI_CTS_SWMODE,
        FEAT_HANDLE_UV_SEPARATE,
        FEAT_ATTR2,
@@ -264,9 +255,6 @@ static const enum dss_feat_id omap4_dss_feat_list[] = {
        FEAT_MGR_LCD2,
        FEAT_CORE_CLK_DIV,
        FEAT_LCD_CLK_SRC,
-       FEAT_DSI_DCS_CMD_CONFIG_VC,
-       FEAT_DSI_VC_OCP_WIDTH,
-       FEAT_DSI_GNQ,
        FEAT_HDMI_CTS_SWMODE,
        FEAT_HDMI_AUDIO_USE_MCLK,
        FEAT_HANDLE_UV_SEPARATE,
@@ -284,9 +272,6 @@ static const enum dss_feat_id omap5_dss_feat_list[] = {
        FEAT_MGR_LCD3,
        FEAT_CORE_CLK_DIV,
        FEAT_LCD_CLK_SRC,
-       FEAT_DSI_DCS_CMD_CONFIG_VC,
-       FEAT_DSI_VC_OCP_WIDTH,
-       FEAT_DSI_GNQ,
        FEAT_HDMI_CTS_SWMODE,
        FEAT_HDMI_AUDIO_USE_MCLK,
        FEAT_HANDLE_UV_SEPARATE,
@@ -297,7 +282,6 @@ static const enum dss_feat_id omap5_dss_feat_list[] = {
        FEAT_ALPHA_FREE_ZORDER,
        FEAT_FIFO_MERGE,
        FEAT_BURST_2D,
-       FEAT_DSI_PHY_DCC,
        FEAT_MFLAG,
 };
 
index f296bc7..61c419a 100644 (file)
@@ -39,12 +39,6 @@ enum dss_feat_id {
        /* Independent core clk divider */
        FEAT_CORE_CLK_DIV,
        FEAT_LCD_CLK_SRC,
-       /* DSI-PLL power command 0x3 is not working */
-       FEAT_DSI_PLL_PWR_BUG,
-       FEAT_DSI_DCS_CMD_CONFIG_VC,
-       FEAT_DSI_VC_OCP_WIDTH,
-       FEAT_DSI_REVERSE_TXCLKESC,
-       FEAT_DSI_GNQ,
        FEAT_DPI_USES_VDDS_DSI,
        FEAT_HDMI_CTS_SWMODE,
        FEAT_HDMI_AUDIO_USE_MCLK,
@@ -59,7 +53,6 @@ enum dss_feat_id {
        /* An unknown HW bug causing the normal FIFO thresholds not to work */
        FEAT_OMAP3_DSI_FIFO_BUG,
        FEAT_BURST_2D,
-       FEAT_DSI_PHY_DCC,
        FEAT_MFLAG,
 };