#include <linux/of_graph.h>
#include <linux/of_platform.h>
#include <linux/component.h>
+#include <linux/sys_soc.h>
#include <video/mipi_display.h>
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 {
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);
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;
* 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;
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 */
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 */
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;
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 */
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;
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 */
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);
}
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);
}
/* 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;
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++;
/* 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
.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,