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path: root/drivers/video/fbdev/omap2/dss/dpi.c
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Diffstat (limited to 'drivers/video/fbdev/omap2/dss/dpi.c')
-rw-r--r--drivers/video/fbdev/omap2/dss/dpi.c328
1 files changed, 202 insertions, 126 deletions
diff --git a/drivers/video/fbdev/omap2/dss/dpi.c b/drivers/video/fbdev/omap2/dss/dpi.c
index 4a3363dae74a..9a2f8c3b102d 100644
--- a/drivers/video/fbdev/omap2/dss/dpi.c
+++ b/drivers/video/fbdev/omap2/dss/dpi.c
@@ -31,17 +31,20 @@
#include <linux/regulator/consumer.h>
#include <linux/string.h>
#include <linux/of.h>
+#include <linux/clk.h>
#include <video/omapdss.h>
#include "dss.h"
#include "dss_features.h"
-static struct {
+#define HSDIV_DISPC 0
+
+struct dpi_data {
struct platform_device *pdev;
struct regulator *vdds_dsi_reg;
- struct platform_device *dsidev;
+ struct dss_pll *pll;
struct mutex lock;
@@ -52,9 +55,20 @@ static struct {
struct omap_dss_device output;
bool port_initialized;
-} dpi;
+};
+
+static struct dpi_data *dpi_get_data_from_dssdev(struct omap_dss_device *dssdev)
+{
+ return container_of(dssdev, struct dpi_data, output);
+}
+
+/* only used in non-DT mode */
+static struct dpi_data *dpi_get_data_from_pdev(struct platform_device *pdev)
+{
+ return dev_get_drvdata(&pdev->dev);
+}
-static struct platform_device *dpi_get_dsidev(enum omap_channel channel)
+static struct dss_pll *dpi_get_pll(enum omap_channel channel)
{
/*
* XXX we can't currently use DSI PLL for DPI with OMAP3, as the DSI PLL
@@ -75,9 +89,9 @@ static struct platform_device *dpi_get_dsidev(enum omap_channel channel)
case OMAPDSS_VER_OMAP4:
switch (channel) {
case OMAP_DSS_CHANNEL_LCD:
- return dsi_get_dsidev_from_id(0);
+ return dss_pll_find("dsi0");
case OMAP_DSS_CHANNEL_LCD2:
- return dsi_get_dsidev_from_id(1);
+ return dss_pll_find("dsi1");
default:
return NULL;
}
@@ -85,9 +99,9 @@ static struct platform_device *dpi_get_dsidev(enum omap_channel channel)
case OMAPDSS_VER_OMAP5:
switch (channel) {
case OMAP_DSS_CHANNEL_LCD:
- return dsi_get_dsidev_from_id(0);
+ return dss_pll_find("dsi0");
case OMAP_DSS_CHANNEL_LCD3:
- return dsi_get_dsidev_from_id(1);
+ return dss_pll_find("dsi1");
default:
return NULL;
}
@@ -114,7 +128,7 @@ static enum omap_dss_clk_source dpi_get_alt_clk_src(enum omap_channel channel)
}
struct dpi_clk_calc_ctx {
- struct platform_device *dsidev;
+ struct dss_pll *pll;
/* inputs */
@@ -122,7 +136,7 @@ struct dpi_clk_calc_ctx {
/* outputs */
- struct dsi_clock_info dsi_cinfo;
+ struct dss_pll_clock_info dsi_cinfo;
unsigned long fck;
struct dispc_clock_info dispc_cinfo;
};
@@ -154,7 +168,7 @@ static bool dpi_calc_dispc_cb(int lckd, int pckd, unsigned long lck,
}
-static bool dpi_calc_hsdiv_cb(int regm_dispc, unsigned long dispc,
+static bool dpi_calc_hsdiv_cb(int m_dispc, unsigned long dispc,
void *data)
{
struct dpi_clk_calc_ctx *ctx = data;
@@ -164,30 +178,31 @@ static bool dpi_calc_hsdiv_cb(int regm_dispc, unsigned long dispc,
* shifted. So skip all odd dividers when the pixel clock is on the
* higher side.
*/
- if (regm_dispc > 1 && regm_dispc % 2 != 0 && ctx->pck_min >= 100000000)
+ if (m_dispc > 1 && m_dispc % 2 != 0 && ctx->pck_min >= 100000000)
return false;
- ctx->dsi_cinfo.regm_dispc = regm_dispc;
- ctx->dsi_cinfo.dsi_pll_hsdiv_dispc_clk = dispc;
+ ctx->dsi_cinfo.mX[HSDIV_DISPC] = m_dispc;
+ ctx->dsi_cinfo.clkout[HSDIV_DISPC] = dispc;
return dispc_div_calc(dispc, ctx->pck_min, ctx->pck_max,
dpi_calc_dispc_cb, ctx);
}
-static bool dpi_calc_pll_cb(int regn, int regm, unsigned long fint,
- unsigned long pll,
+static bool dpi_calc_pll_cb(int n, int m, unsigned long fint,
+ unsigned long clkdco,
void *data)
{
struct dpi_clk_calc_ctx *ctx = data;
- ctx->dsi_cinfo.regn = regn;
- ctx->dsi_cinfo.regm = regm;
+ ctx->dsi_cinfo.n = n;
+ ctx->dsi_cinfo.m = m;
ctx->dsi_cinfo.fint = fint;
- ctx->dsi_cinfo.clkin4ddr = pll;
+ ctx->dsi_cinfo.clkdco = clkdco;
- return dsi_hsdiv_calc(ctx->dsidev, pll, ctx->pck_min,
- dpi_calc_hsdiv_cb, ctx);
+ return dss_pll_hsdiv_calc(ctx->pll, clkdco,
+ ctx->pck_min, dss_feat_get_param_max(FEAT_PARAM_DSS_FCK),
+ dpi_calc_hsdiv_cb, ctx);
}
static bool dpi_calc_dss_cb(unsigned long fck, void *data)
@@ -200,23 +215,23 @@ static bool dpi_calc_dss_cb(unsigned long fck, void *data)
dpi_calc_dispc_cb, ctx);
}
-static bool dpi_dsi_clk_calc(unsigned long pck, struct dpi_clk_calc_ctx *ctx)
+static bool dpi_dsi_clk_calc(struct dpi_data *dpi, unsigned long pck,
+ struct dpi_clk_calc_ctx *ctx)
{
unsigned long clkin;
unsigned long pll_min, pll_max;
- clkin = dsi_get_pll_clkin(dpi.dsidev);
-
memset(ctx, 0, sizeof(*ctx));
- ctx->dsidev = dpi.dsidev;
+ ctx->pll = dpi->pll;
ctx->pck_min = pck - 1000;
ctx->pck_max = pck + 1000;
- ctx->dsi_cinfo.clkin = clkin;
pll_min = 0;
pll_max = 0;
- return dsi_pll_calc(dpi.dsidev, clkin,
+ clkin = clk_get_rate(ctx->pll->clkin);
+
+ return dss_pll_calc(ctx->pll, clkin,
pll_min, pll_max,
dpi_calc_pll_cb, ctx);
}
@@ -252,7 +267,7 @@ static bool dpi_dss_clk_calc(unsigned long pck, struct dpi_clk_calc_ctx *ctx)
-static int dpi_set_dsi_clk(enum omap_channel channel,
+static int dpi_set_dsi_clk(struct dpi_data *dpi, enum omap_channel channel,
unsigned long pck_req, unsigned long *fck, int *lck_div,
int *pck_div)
{
@@ -260,28 +275,28 @@ static int dpi_set_dsi_clk(enum omap_channel channel,
int r;
bool ok;
- ok = dpi_dsi_clk_calc(pck_req, &ctx);
+ ok = dpi_dsi_clk_calc(dpi, pck_req, &ctx);
if (!ok)
return -EINVAL;
- r = dsi_pll_set_clock_div(dpi.dsidev, &ctx.dsi_cinfo);
+ r = dss_pll_set_config(dpi->pll, &ctx.dsi_cinfo);
if (r)
return r;
dss_select_lcd_clk_source(channel,
dpi_get_alt_clk_src(channel));
- dpi.mgr_config.clock_info = ctx.dispc_cinfo;
+ dpi->mgr_config.clock_info = ctx.dispc_cinfo;
- *fck = ctx.dsi_cinfo.dsi_pll_hsdiv_dispc_clk;
+ *fck = ctx.dsi_cinfo.clkout[HSDIV_DISPC];
*lck_div = ctx.dispc_cinfo.lck_div;
*pck_div = ctx.dispc_cinfo.pck_div;
return 0;
}
-static int dpi_set_dispc_clk(unsigned long pck_req, unsigned long *fck,
- int *lck_div, int *pck_div)
+static int dpi_set_dispc_clk(struct dpi_data *dpi, unsigned long pck_req,
+ unsigned long *fck, int *lck_div, int *pck_div)
{
struct dpi_clk_calc_ctx ctx;
int r;
@@ -295,7 +310,7 @@ static int dpi_set_dispc_clk(unsigned long pck_req, unsigned long *fck,
if (r)
return r;
- dpi.mgr_config.clock_info = ctx.dispc_cinfo;
+ dpi->mgr_config.clock_info = ctx.dispc_cinfo;
*fck = ctx.fck;
*lck_div = ctx.dispc_cinfo.lck_div;
@@ -304,19 +319,21 @@ static int dpi_set_dispc_clk(unsigned long pck_req, unsigned long *fck,
return 0;
}
-static int dpi_set_mode(struct omap_overlay_manager *mgr)
+static int dpi_set_mode(struct dpi_data *dpi)
{
- struct omap_video_timings *t = &dpi.timings;
+ struct omap_dss_device *out = &dpi->output;
+ struct omap_overlay_manager *mgr = out->manager;
+ struct omap_video_timings *t = &dpi->timings;
int lck_div = 0, pck_div = 0;
unsigned long fck = 0;
unsigned long pck;
int r = 0;
- if (dpi.dsidev)
- r = dpi_set_dsi_clk(mgr->id, t->pixelclock, &fck,
+ if (dpi->pll)
+ r = dpi_set_dsi_clk(dpi, mgr->id, t->pixelclock, &fck,
&lck_div, &pck_div);
else
- r = dpi_set_dispc_clk(t->pixelclock, &fck,
+ r = dpi_set_dispc_clk(dpi, t->pixelclock, &fck,
&lck_div, &pck_div);
if (r)
return r;
@@ -335,28 +352,32 @@ static int dpi_set_mode(struct omap_overlay_manager *mgr)
return 0;
}
-static void dpi_config_lcd_manager(struct omap_overlay_manager *mgr)
+static void dpi_config_lcd_manager(struct dpi_data *dpi)
{
- dpi.mgr_config.io_pad_mode = DSS_IO_PAD_MODE_BYPASS;
+ struct omap_dss_device *out = &dpi->output;
+ struct omap_overlay_manager *mgr = out->manager;
+
+ dpi->mgr_config.io_pad_mode = DSS_IO_PAD_MODE_BYPASS;
- dpi.mgr_config.stallmode = false;
- dpi.mgr_config.fifohandcheck = false;
+ dpi->mgr_config.stallmode = false;
+ dpi->mgr_config.fifohandcheck = false;
- dpi.mgr_config.video_port_width = dpi.data_lines;
+ dpi->mgr_config.video_port_width = dpi->data_lines;
- dpi.mgr_config.lcden_sig_polarity = 0;
+ dpi->mgr_config.lcden_sig_polarity = 0;
- dss_mgr_set_lcd_config(mgr, &dpi.mgr_config);
+ dss_mgr_set_lcd_config(mgr, &dpi->mgr_config);
}
static int dpi_display_enable(struct omap_dss_device *dssdev)
{
- struct omap_dss_device *out = &dpi.output;
+ struct dpi_data *dpi = dpi_get_data_from_dssdev(dssdev);
+ struct omap_dss_device *out = &dpi->output;
int r;
- mutex_lock(&dpi.lock);
+ mutex_lock(&dpi->lock);
- if (dss_has_feature(FEAT_DPI_USES_VDDS_DSI) && !dpi.vdds_dsi_reg) {
+ if (dss_has_feature(FEAT_DPI_USES_VDDS_DSI) && !dpi->vdds_dsi_reg) {
DSSERR("no VDSS_DSI regulator\n");
r = -ENODEV;
goto err_no_reg;
@@ -369,7 +390,7 @@ static int dpi_display_enable(struct omap_dss_device *dssdev)
}
if (dss_has_feature(FEAT_DPI_USES_VDDS_DSI)) {
- r = regulator_enable(dpi.vdds_dsi_reg);
+ r = regulator_enable(dpi->vdds_dsi_reg);
if (r)
goto err_reg_enable;
}
@@ -378,25 +399,21 @@ static int dpi_display_enable(struct omap_dss_device *dssdev)
if (r)
goto err_get_dispc;
- r = dss_dpi_select_source(out->manager->id);
+ r = dss_dpi_select_source(out->port_num, out->manager->id);
if (r)
goto err_src_sel;
- if (dpi.dsidev) {
- r = dsi_runtime_get(dpi.dsidev);
- if (r)
- goto err_get_dsi;
-
- r = dsi_pll_init(dpi.dsidev, 0, 1);
+ if (dpi->pll) {
+ r = dss_pll_enable(dpi->pll);
if (r)
goto err_dsi_pll_init;
}
- r = dpi_set_mode(out->manager);
+ r = dpi_set_mode(dpi);
if (r)
goto err_set_mode;
- dpi_config_lcd_manager(out->manager);
+ dpi_config_lcd_manager(dpi);
mdelay(2);
@@ -404,78 +421,80 @@ static int dpi_display_enable(struct omap_dss_device *dssdev)
if (r)
goto err_mgr_enable;
- mutex_unlock(&dpi.lock);
+ mutex_unlock(&dpi->lock);
return 0;
err_mgr_enable:
err_set_mode:
- if (dpi.dsidev)
- dsi_pll_uninit(dpi.dsidev, true);
+ if (dpi->pll)
+ dss_pll_disable(dpi->pll);
err_dsi_pll_init:
- if (dpi.dsidev)
- dsi_runtime_put(dpi.dsidev);
-err_get_dsi:
err_src_sel:
dispc_runtime_put();
err_get_dispc:
if (dss_has_feature(FEAT_DPI_USES_VDDS_DSI))
- regulator_disable(dpi.vdds_dsi_reg);
+ regulator_disable(dpi->vdds_dsi_reg);
err_reg_enable:
err_no_out_mgr:
err_no_reg:
- mutex_unlock(&dpi.lock);
+ mutex_unlock(&dpi->lock);
return r;
}
static void dpi_display_disable(struct omap_dss_device *dssdev)
{
- struct omap_overlay_manager *mgr = dpi.output.manager;
+ struct dpi_data *dpi = dpi_get_data_from_dssdev(dssdev);
+ struct omap_overlay_manager *mgr = dpi->output.manager;
- mutex_lock(&dpi.lock);
+ mutex_lock(&dpi->lock);
dss_mgr_disable(mgr);
- if (dpi.dsidev) {
+ if (dpi->pll) {
dss_select_lcd_clk_source(mgr->id, OMAP_DSS_CLK_SRC_FCK);
- dsi_pll_uninit(dpi.dsidev, true);
- dsi_runtime_put(dpi.dsidev);
+ dss_pll_disable(dpi->pll);
}
dispc_runtime_put();
if (dss_has_feature(FEAT_DPI_USES_VDDS_DSI))
- regulator_disable(dpi.vdds_dsi_reg);
+ regulator_disable(dpi->vdds_dsi_reg);
- mutex_unlock(&dpi.lock);
+ mutex_unlock(&dpi->lock);
}
static void dpi_set_timings(struct omap_dss_device *dssdev,
struct omap_video_timings *timings)
{
+ struct dpi_data *dpi = dpi_get_data_from_dssdev(dssdev);
+
DSSDBG("dpi_set_timings\n");
- mutex_lock(&dpi.lock);
+ mutex_lock(&dpi->lock);
- dpi.timings = *timings;
+ dpi->timings = *timings;
- mutex_unlock(&dpi.lock);
+ mutex_unlock(&dpi->lock);
}
static void dpi_get_timings(struct omap_dss_device *dssdev,
struct omap_video_timings *timings)
{
- mutex_lock(&dpi.lock);
+ struct dpi_data *dpi = dpi_get_data_from_dssdev(dssdev);
+
+ mutex_lock(&dpi->lock);
- *timings = dpi.timings;
+ *timings = dpi->timings;
- mutex_unlock(&dpi.lock);
+ mutex_unlock(&dpi->lock);
}
static int dpi_check_timings(struct omap_dss_device *dssdev,
struct omap_video_timings *timings)
{
- struct omap_overlay_manager *mgr = dpi.output.manager;
+ struct dpi_data *dpi = dpi_get_data_from_dssdev(dssdev);
+ struct omap_overlay_manager *mgr = dpi->output.manager;
int lck_div, pck_div;
unsigned long fck;
unsigned long pck;
@@ -488,12 +507,12 @@ static int dpi_check_timings(struct omap_dss_device *dssdev,
if (timings->pixelclock == 0)
return -EINVAL;
- if (dpi.dsidev) {
- ok = dpi_dsi_clk_calc(timings->pixelclock, &ctx);
+ if (dpi->pll) {
+ ok = dpi_dsi_clk_calc(dpi, timings->pixelclock, &ctx);
if (!ok)
return -EINVAL;
- fck = ctx.dsi_cinfo.dsi_pll_hsdiv_dispc_clk;
+ fck = ctx.dsi_cinfo.clkout[HSDIV_DISPC];
} else {
ok = dpi_dss_clk_calc(timings->pixelclock, &ctx);
if (!ok)
@@ -514,74 +533,69 @@ static int dpi_check_timings(struct omap_dss_device *dssdev,
static void dpi_set_data_lines(struct omap_dss_device *dssdev, int data_lines)
{
- mutex_lock(&dpi.lock);
+ struct dpi_data *dpi = dpi_get_data_from_dssdev(dssdev);
- dpi.data_lines = data_lines;
+ mutex_lock(&dpi->lock);
- mutex_unlock(&dpi.lock);
+ dpi->data_lines = data_lines;
+
+ mutex_unlock(&dpi->lock);
}
-static int dpi_verify_dsi_pll(struct platform_device *dsidev)
+static int dpi_verify_dsi_pll(struct dss_pll *pll)
{
int r;
/* do initial setup with the PLL to see if it is operational */
- r = dsi_runtime_get(dsidev);
+ r = dss_pll_enable(pll);
if (r)
return r;
- r = dsi_pll_init(dsidev, 0, 1);
- if (r) {
- dsi_runtime_put(dsidev);
- return r;
- }
-
- dsi_pll_uninit(dsidev, true);
- dsi_runtime_put(dsidev);
+ dss_pll_disable(pll);
return 0;
}
-static int dpi_init_regulator(void)
+static int dpi_init_regulator(struct dpi_data *dpi)
{
struct regulator *vdds_dsi;
if (!dss_has_feature(FEAT_DPI_USES_VDDS_DSI))
return 0;
- if (dpi.vdds_dsi_reg)
+ if (dpi->vdds_dsi_reg)
return 0;
- vdds_dsi = devm_regulator_get(&dpi.pdev->dev, "vdds_dsi");
+ vdds_dsi = devm_regulator_get(&dpi->pdev->dev, "vdds_dsi");
if (IS_ERR(vdds_dsi)) {
if (PTR_ERR(vdds_dsi) != -EPROBE_DEFER)
DSSERR("can't get VDDS_DSI regulator\n");
return PTR_ERR(vdds_dsi);
}
- dpi.vdds_dsi_reg = vdds_dsi;
+ dpi->vdds_dsi_reg = vdds_dsi;
return 0;
}
-static void dpi_init_pll(void)
+static void dpi_init_pll(struct dpi_data *dpi)
{
- struct platform_device *dsidev;
+ struct dss_pll *pll;
- if (dpi.dsidev)
+ if (dpi->pll)
return;
- dsidev = dpi_get_dsidev(dpi.output.dispc_channel);
- if (!dsidev)
+ pll = dpi_get_pll(dpi->output.dispc_channel);
+ if (!pll)
return;
- if (dpi_verify_dsi_pll(dsidev)) {
+ if (dpi_verify_dsi_pll(pll)) {
DSSWARN("DSI PLL not operational\n");
return;
}
- dpi.dsidev = dsidev;
+ dpi->pll = pll;
}
/*
@@ -590,7 +604,7 @@ static void dpi_init_pll(void)
* the channel in some more dynamic manner, or get the channel as a user
* parameter.
*/
-static enum omap_channel dpi_get_channel(void)
+static enum omap_channel dpi_get_channel(int port_num)
{
switch (omapdss_get_version()) {
case OMAPDSS_VER_OMAP24xx:
@@ -618,14 +632,15 @@ static enum omap_channel dpi_get_channel(void)
static int dpi_connect(struct omap_dss_device *dssdev,
struct omap_dss_device *dst)
{
+ struct dpi_data *dpi = dpi_get_data_from_dssdev(dssdev);
struct omap_overlay_manager *mgr;
int r;
- r = dpi_init_regulator();
+ r = dpi_init_regulator(dpi);
if (r)
return r;
- dpi_init_pll();
+ dpi_init_pll(dpi);
mgr = omap_dss_get_overlay_manager(dssdev->dispc_channel);
if (!mgr)
@@ -676,13 +691,14 @@ static const struct omapdss_dpi_ops dpi_ops = {
static void dpi_init_output(struct platform_device *pdev)
{
- struct omap_dss_device *out = &dpi.output;
+ struct dpi_data *dpi = dpi_get_data_from_pdev(pdev);
+ struct omap_dss_device *out = &dpi->output;
out->dev = &pdev->dev;
out->id = OMAP_DSS_OUTPUT_DPI;
out->output_type = OMAP_DISPLAY_TYPE_DPI;
out->name = "dpi.0";
- out->dispc_channel = dpi_get_channel();
+ out->dispc_channel = dpi_get_channel(0);
out->ops.dpi = &dpi_ops;
out->owner = THIS_MODULE;
@@ -691,16 +707,69 @@ static void dpi_init_output(struct platform_device *pdev)
static void __exit dpi_uninit_output(struct platform_device *pdev)
{
- struct omap_dss_device *out = &dpi.output;
+ struct dpi_data *dpi = dpi_get_data_from_pdev(pdev);
+ struct omap_dss_device *out = &dpi->output;
+
+ omapdss_unregister_output(out);
+}
+
+static void dpi_init_output_port(struct platform_device *pdev,
+ struct device_node *port)
+{
+ struct dpi_data *dpi = port->data;
+ struct omap_dss_device *out = &dpi->output;
+ int r;
+ u32 port_num;
+
+ r = of_property_read_u32(port, "reg", &port_num);
+ if (r)
+ port_num = 0;
+
+ switch (port_num) {
+ case 2:
+ out->name = "dpi.2";
+ break;
+ case 1:
+ out->name = "dpi.1";
+ break;
+ case 0:
+ default:
+ out->name = "dpi.0";
+ break;
+ }
+
+ out->dev = &pdev->dev;
+ out->id = OMAP_DSS_OUTPUT_DPI;
+ out->output_type = OMAP_DISPLAY_TYPE_DPI;
+ out->dispc_channel = dpi_get_channel(port_num);
+ out->port_num = port_num;
+ out->ops.dpi = &dpi_ops;
+ out->owner = THIS_MODULE;
+
+ omapdss_register_output(out);
+}
+
+static void __exit dpi_uninit_output_port(struct device_node *port)
+{
+ struct dpi_data *dpi = port->data;
+ struct omap_dss_device *out = &dpi->output;
omapdss_unregister_output(out);
}
static int omap_dpi_probe(struct platform_device *pdev)
{
- dpi.pdev = pdev;
+ struct dpi_data *dpi;
+
+ dpi = devm_kzalloc(&pdev->dev, sizeof(*dpi), GFP_KERNEL);
+ if (!dpi)
+ return -ENOMEM;
- mutex_init(&dpi.lock);
+ dpi->pdev = pdev;
+
+ dev_set_drvdata(&pdev->dev, dpi);
+
+ mutex_init(&dpi->lock);
dpi_init_output(pdev);
@@ -719,7 +788,6 @@ static struct platform_driver omap_dpi_driver = {
.remove = __exit_p(omap_dpi_remove),
.driver = {
.name = "omapdss_dpi",
- .owner = THIS_MODULE,
.suppress_bind_attrs = true,
},
};
@@ -736,10 +804,15 @@ void __exit dpi_uninit_platform_driver(void)
int __init dpi_init_port(struct platform_device *pdev, struct device_node *port)
{
+ struct dpi_data *dpi;
struct device_node *ep;
u32 datalines;
int r;
+ dpi = devm_kzalloc(&pdev->dev, sizeof(*dpi), GFP_KERNEL);
+ if (!dpi)
+ return -ENOMEM;
+
ep = omapdss_of_get_next_endpoint(port, NULL);
if (!ep)
return 0;
@@ -750,17 +823,18 @@ int __init dpi_init_port(struct platform_device *pdev, struct device_node *port)
goto err_datalines;
}
- dpi.data_lines = datalines;
+ dpi->data_lines = datalines;
of_node_put(ep);
- dpi.pdev = pdev;
+ dpi->pdev = pdev;
+ port->data = dpi;
- mutex_init(&dpi.lock);
+ mutex_init(&dpi->lock);
- dpi_init_output(pdev);
+ dpi_init_output_port(pdev, port);
- dpi.port_initialized = true;
+ dpi->port_initialized = true;
return 0;
@@ -770,10 +844,12 @@ err_datalines:
return r;
}
-void __exit dpi_uninit_port(void)
+void __exit dpi_uninit_port(struct device_node *port)
{
- if (!dpi.port_initialized)
+ struct dpi_data *dpi = port->data;
+
+ if (!dpi->port_initialized)
return;
- dpi_uninit_output(dpi.pdev);
+ dpi_uninit_output_port(port);
}