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path: root/drivers/video/omap2/dss/dsi.c
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Diffstat (limited to 'drivers/video/omap2/dss/dsi.c')
-rw-r--r--drivers/video/omap2/dss/dsi.c275
1 files changed, 37 insertions, 238 deletions
diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c
index 99a043b08f0d..a598b5812285 100644
--- a/drivers/video/omap2/dss/dsi.c
+++ b/drivers/video/omap2/dss/dsi.c
@@ -205,6 +205,8 @@ static int dsi_display_init_dispc(struct platform_device *dsidev,
static void dsi_display_uninit_dispc(struct platform_device *dsidev,
struct omap_overlay_manager *mgr);
+static int dsi_vc_send_null(struct omap_dss_device *dssdev, int channel);
+
#define DSI_MAX_NR_ISRS 2
#define DSI_MAX_NR_LANES 5
@@ -383,16 +385,7 @@ static inline struct dsi_data *dsi_get_dsidrv_data(struct platform_device *dside
static inline struct platform_device *dsi_get_dsidev_from_dssdev(struct omap_dss_device *dssdev)
{
- /* HACK: dssdev can be either the panel device, when using old API, or
- * the dsi device itself, when using the new API. So we solve this for
- * now by checking the dssdev->id. This will be removed when the old API
- * is removed.
- */
- if (dssdev->id == OMAP_DSS_OUTPUT_DSI1 ||
- dssdev->id == OMAP_DSS_OUTPUT_DSI2)
- return to_platform_device(dssdev->dev);
-
- return to_platform_device(dssdev->output->dev);
+ return to_platform_device(dssdev->dev);
}
struct platform_device *dsi_get_dsidev_from_id(int module)
@@ -432,23 +425,21 @@ static inline u32 dsi_read_reg(struct platform_device *dsidev,
return __raw_readl(dsi->base + idx.idx);
}
-void dsi_bus_lock(struct omap_dss_device *dssdev)
+static void dsi_bus_lock(struct omap_dss_device *dssdev)
{
struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
down(&dsi->bus_lock);
}
-EXPORT_SYMBOL(dsi_bus_lock);
-void dsi_bus_unlock(struct omap_dss_device *dssdev)
+static void dsi_bus_unlock(struct omap_dss_device *dssdev)
{
struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
up(&dsi->bus_lock);
}
-EXPORT_SYMBOL(dsi_bus_unlock);
static bool dsi_bus_is_locked(struct platform_device *dsidev)
{
@@ -2713,7 +2704,7 @@ static int dsi_vc_config_source(struct platform_device *dsidev, int channel,
return 0;
}
-void omapdss_dsi_vc_enable_hs(struct omap_dss_device *dssdev, int channel,
+static void dsi_vc_enable_hs(struct omap_dss_device *dssdev, int channel,
bool enable)
{
struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
@@ -2737,7 +2728,6 @@ void omapdss_dsi_vc_enable_hs(struct omap_dss_device *dssdev, int channel,
if (dsi->vm_timings.ddr_clk_always_on && enable)
dsi_vc_send_null(dssdev, channel);
}
-EXPORT_SYMBOL(omapdss_dsi_vc_enable_hs);
static void dsi_vc_flush_long_data(struct platform_device *dsidev, int channel)
{
@@ -2842,7 +2832,7 @@ static int dsi_vc_send_bta(struct platform_device *dsidev, int channel)
return 0;
}
-int dsi_vc_send_bta_sync(struct omap_dss_device *dssdev, int channel)
+static int dsi_vc_send_bta_sync(struct omap_dss_device *dssdev, int channel)
{
struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
DECLARE_COMPLETION_ONSTACK(completion);
@@ -2885,7 +2875,6 @@ err1:
err0:
return r;
}
-EXPORT_SYMBOL(dsi_vc_send_bta_sync);
static inline void dsi_vc_write_long_header(struct platform_device *dsidev,
int channel, u8 data_type, u16 len, u8 ecc)
@@ -3011,14 +3000,13 @@ static int dsi_vc_send_short(struct platform_device *dsidev, int channel,
return 0;
}
-int dsi_vc_send_null(struct omap_dss_device *dssdev, int channel)
+static int dsi_vc_send_null(struct omap_dss_device *dssdev, int channel)
{
struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
return dsi_vc_send_long(dsidev, channel, MIPI_DSI_NULL_PACKET, NULL,
0, 0);
}
-EXPORT_SYMBOL(dsi_vc_send_null);
static int dsi_vc_write_nosync_common(struct platform_device *dsidev,
int channel, u8 *data, int len, enum dss_dsi_content_type type)
@@ -3050,7 +3038,7 @@ static int dsi_vc_write_nosync_common(struct platform_device *dsidev,
return r;
}
-int dsi_vc_dcs_write_nosync(struct omap_dss_device *dssdev, int channel,
+static int dsi_vc_dcs_write_nosync(struct omap_dss_device *dssdev, int channel,
u8 *data, int len)
{
struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
@@ -3058,9 +3046,8 @@ int dsi_vc_dcs_write_nosync(struct omap_dss_device *dssdev, int channel,
return dsi_vc_write_nosync_common(dsidev, channel, data, len,
DSS_DSI_CONTENT_DCS);
}
-EXPORT_SYMBOL(dsi_vc_dcs_write_nosync);
-int dsi_vc_generic_write_nosync(struct omap_dss_device *dssdev, int channel,
+static int dsi_vc_generic_write_nosync(struct omap_dss_device *dssdev, int channel,
u8 *data, int len)
{
struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
@@ -3068,7 +3055,6 @@ int dsi_vc_generic_write_nosync(struct omap_dss_device *dssdev, int channel,
return dsi_vc_write_nosync_common(dsidev, channel, data, len,
DSS_DSI_CONTENT_GENERIC);
}
-EXPORT_SYMBOL(dsi_vc_generic_write_nosync);
static int dsi_vc_write_common(struct omap_dss_device *dssdev, int channel,
u8 *data, int len, enum dss_dsi_content_type type)
@@ -3099,60 +3085,19 @@ err:
return r;
}
-int dsi_vc_dcs_write(struct omap_dss_device *dssdev, int channel, u8 *data,
+static int dsi_vc_dcs_write(struct omap_dss_device *dssdev, int channel, u8 *data,
int len)
{
return dsi_vc_write_common(dssdev, channel, data, len,
DSS_DSI_CONTENT_DCS);
}
-EXPORT_SYMBOL(dsi_vc_dcs_write);
-int dsi_vc_generic_write(struct omap_dss_device *dssdev, int channel, u8 *data,
+static int dsi_vc_generic_write(struct omap_dss_device *dssdev, int channel, u8 *data,
int len)
{
return dsi_vc_write_common(dssdev, channel, data, len,
DSS_DSI_CONTENT_GENERIC);
}
-EXPORT_SYMBOL(dsi_vc_generic_write);
-
-int dsi_vc_dcs_write_0(struct omap_dss_device *dssdev, int channel, u8 dcs_cmd)
-{
- return dsi_vc_dcs_write(dssdev, channel, &dcs_cmd, 1);
-}
-EXPORT_SYMBOL(dsi_vc_dcs_write_0);
-
-int dsi_vc_generic_write_0(struct omap_dss_device *dssdev, int channel)
-{
- return dsi_vc_generic_write(dssdev, channel, NULL, 0);
-}
-EXPORT_SYMBOL(dsi_vc_generic_write_0);
-
-int dsi_vc_dcs_write_1(struct omap_dss_device *dssdev, int channel, u8 dcs_cmd,
- u8 param)
-{
- u8 buf[2];
- buf[0] = dcs_cmd;
- buf[1] = param;
- return dsi_vc_dcs_write(dssdev, channel, buf, 2);
-}
-EXPORT_SYMBOL(dsi_vc_dcs_write_1);
-
-int dsi_vc_generic_write_1(struct omap_dss_device *dssdev, int channel,
- u8 param)
-{
- return dsi_vc_generic_write(dssdev, channel, &param, 1);
-}
-EXPORT_SYMBOL(dsi_vc_generic_write_1);
-
-int dsi_vc_generic_write_2(struct omap_dss_device *dssdev, int channel,
- u8 param1, u8 param2)
-{
- u8 buf[2];
- buf[0] = param1;
- buf[1] = param2;
- return dsi_vc_generic_write(dssdev, channel, buf, 2);
-}
-EXPORT_SYMBOL(dsi_vc_generic_write_2);
static int dsi_vc_dcs_send_read_request(struct platform_device *dsidev,
int channel, u8 dcs_cmd)
@@ -3319,7 +3264,7 @@ err:
return r;
}
-int dsi_vc_dcs_read(struct omap_dss_device *dssdev, int channel, u8 dcs_cmd,
+static int dsi_vc_dcs_read(struct omap_dss_device *dssdev, int channel, u8 dcs_cmd,
u8 *buf, int buflen)
{
struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
@@ -3348,7 +3293,6 @@ err:
DSSERR("dsi_vc_dcs_read(ch %d, cmd 0x%02x) failed\n", channel, dcs_cmd);
return r;
}
-EXPORT_SYMBOL(dsi_vc_dcs_read);
static int dsi_vc_generic_read(struct omap_dss_device *dssdev, int channel,
u8 *reqdata, int reqlen, u8 *buf, int buflen)
@@ -3377,56 +3321,7 @@ static int dsi_vc_generic_read(struct omap_dss_device *dssdev, int channel,
return 0;
}
-int dsi_vc_generic_read_0(struct omap_dss_device *dssdev, int channel, u8 *buf,
- int buflen)
-{
- int r;
-
- r = dsi_vc_generic_read(dssdev, channel, NULL, 0, buf, buflen);
- if (r) {
- DSSERR("dsi_vc_generic_read_0(ch %d) failed\n", channel);
- return r;
- }
-
- return 0;
-}
-EXPORT_SYMBOL(dsi_vc_generic_read_0);
-
-int dsi_vc_generic_read_1(struct omap_dss_device *dssdev, int channel, u8 param,
- u8 *buf, int buflen)
-{
- int r;
-
- r = dsi_vc_generic_read(dssdev, channel, &param, 1, buf, buflen);
- if (r) {
- DSSERR("dsi_vc_generic_read_1(ch %d) failed\n", channel);
- return r;
- }
-
- return 0;
-}
-EXPORT_SYMBOL(dsi_vc_generic_read_1);
-
-int dsi_vc_generic_read_2(struct omap_dss_device *dssdev, int channel,
- u8 param1, u8 param2, u8 *buf, int buflen)
-{
- int r;
- u8 reqdata[2];
-
- reqdata[0] = param1;
- reqdata[1] = param2;
-
- r = dsi_vc_generic_read(dssdev, channel, reqdata, 2, buf, buflen);
- if (r) {
- DSSERR("dsi_vc_generic_read_2(ch %d) failed\n", channel);
- return r;
- }
-
- return 0;
-}
-EXPORT_SYMBOL(dsi_vc_generic_read_2);
-
-int dsi_vc_set_max_rx_packet_size(struct omap_dss_device *dssdev, int channel,
+static int dsi_vc_set_max_rx_packet_size(struct omap_dss_device *dssdev, int channel,
u16 len)
{
struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
@@ -3434,7 +3329,6 @@ int dsi_vc_set_max_rx_packet_size(struct omap_dss_device *dssdev, int channel,
return dsi_vc_send_short(dsidev, channel,
MIPI_DSI_SET_MAXIMUM_RETURN_PACKET_SIZE, len, 0);
}
-EXPORT_SYMBOL(dsi_vc_set_max_rx_packet_size);
static int dsi_enter_ulps(struct platform_device *dsidev)
{
@@ -4068,7 +3962,7 @@ static void dsi_proto_timings(struct platform_device *dsidev)
}
}
-int omapdss_dsi_configure_pins(struct omap_dss_device *dssdev,
+static int dsi_configure_pins(struct omap_dss_device *dssdev,
const struct omap_dsi_pin_config *pin_cfg)
{
struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
@@ -4134,9 +4028,8 @@ int omapdss_dsi_configure_pins(struct omap_dss_device *dssdev,
return 0;
}
-EXPORT_SYMBOL(omapdss_dsi_configure_pins);
-int dsi_enable_video_output(struct omap_dss_device *dssdev, int channel)
+static int dsi_enable_video_output(struct omap_dss_device *dssdev, int channel)
{
struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
@@ -4206,9 +4099,8 @@ err_pix_fmt:
err_init_dispc:
return r;
}
-EXPORT_SYMBOL(dsi_enable_video_output);
-void dsi_disable_video_output(struct omap_dss_device *dssdev, int channel)
+static void dsi_disable_video_output(struct omap_dss_device *dssdev, int channel)
{
struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
@@ -4229,7 +4121,6 @@ void dsi_disable_video_output(struct omap_dss_device *dssdev, int channel)
dsi_display_uninit_dispc(dsidev, mgr);
}
-EXPORT_SYMBOL(dsi_disable_video_output);
static void dsi_update_screen_dispc(struct platform_device *dsidev)
{
@@ -4369,7 +4260,7 @@ static void dsi_framedone_irq_callback(void *data)
dsi_handle_framedone(dsidev, 0);
}
-int omap_dsi_update(struct omap_dss_device *dssdev, int channel,
+static int dsi_update(struct omap_dss_device *dssdev, int channel,
void (*callback)(int, void *), void *data)
{
struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
@@ -4394,7 +4285,6 @@ int omap_dsi_update(struct omap_dss_device *dssdev, int channel,
return 0;
}
-EXPORT_SYMBOL(omap_dsi_update);
/* Display funcs */
@@ -4589,7 +4479,7 @@ static void dsi_display_uninit_dsi(struct platform_device *dsidev,
dsi_pll_uninit(dsidev, disconnect_lanes);
}
-int omapdss_dsi_display_enable(struct omap_dss_device *dssdev)
+static int dsi_display_enable(struct omap_dss_device *dssdev)
{
struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
@@ -4625,9 +4515,8 @@ err_get_dsi:
DSSDBG("dsi_display_enable FAILED\n");
return r;
}
-EXPORT_SYMBOL(omapdss_dsi_display_enable);
-void omapdss_dsi_display_disable(struct omap_dss_device *dssdev,
+static void dsi_display_disable(struct omap_dss_device *dssdev,
bool disconnect_lanes, bool enter_ulps)
{
struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
@@ -4651,9 +4540,8 @@ void omapdss_dsi_display_disable(struct omap_dss_device *dssdev,
mutex_unlock(&dsi->lock);
}
-EXPORT_SYMBOL(omapdss_dsi_display_disable);
-int omapdss_dsi_enable_te(struct omap_dss_device *dssdev, bool enable)
+static int dsi_enable_te(struct omap_dss_device *dssdev, bool enable)
{
struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
@@ -4661,7 +4549,6 @@ int omapdss_dsi_enable_te(struct omap_dss_device *dssdev, bool enable)
dsi->te_enabled = enable;
return 0;
}
-EXPORT_SYMBOL(omapdss_dsi_enable_te);
#ifdef PRINT_VERBOSE_VM_TIMINGS
static void print_dsi_vm(const char *str,
@@ -5136,7 +5023,7 @@ static bool dsi_vm_calc(struct dsi_data *dsi,
dsi_vm_calc_pll_cb, ctx);
}
-int omapdss_dsi_set_config(struct omap_dss_device *dssdev,
+static int dsi_set_config(struct omap_dss_device *dssdev,
const struct omap_dss_dsi_config *config)
{
struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
@@ -5184,7 +5071,6 @@ err:
return r;
}
-EXPORT_SYMBOL(omapdss_dsi_set_config);
/*
* Return a hardcoded channel for the DSI output. This should work for
@@ -5235,7 +5121,7 @@ static enum omap_channel dsi_get_channel(int module_id)
}
}
-int omap_dsi_request_vc(struct omap_dss_device *dssdev, int *channel)
+static int dsi_request_vc(struct omap_dss_device *dssdev, int *channel)
{
struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
@@ -5252,9 +5138,8 @@ int omap_dsi_request_vc(struct omap_dss_device *dssdev, int *channel)
DSSERR("cannot get VC for display %s", dssdev->name);
return -ENOSPC;
}
-EXPORT_SYMBOL(omap_dsi_request_vc);
-int omap_dsi_set_vc_id(struct omap_dss_device *dssdev, int channel, int vc_id)
+static int dsi_set_vc_id(struct omap_dss_device *dssdev, int channel, int vc_id)
{
struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
@@ -5279,9 +5164,8 @@ int omap_dsi_set_vc_id(struct omap_dss_device *dssdev, int channel, int vc_id)
return 0;
}
-EXPORT_SYMBOL(omap_dsi_set_vc_id);
-void omap_dsi_release_vc(struct omap_dss_device *dssdev, int channel)
+static void dsi_release_vc(struct omap_dss_device *dssdev, int channel)
{
struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
@@ -5292,7 +5176,6 @@ void omap_dsi_release_vc(struct omap_dss_device *dssdev, int channel)
dsi->vc[channel].vc_id = 0;
}
}
-EXPORT_SYMBOL(omap_dsi_release_vc);
void dsi_wait_pll_hsdiv_dispc_active(struct platform_device *dsidev)
{
@@ -5348,79 +5231,6 @@ static int dsi_get_clocks(struct platform_device *dsidev)
return 0;
}
-static struct omap_dss_device *dsi_find_dssdev(struct platform_device *pdev)
-{
- struct omap_dss_board_info *pdata = pdev->dev.platform_data;
- struct dsi_data *dsi = dsi_get_dsidrv_data(pdev);
- const char *def_disp_name = omapdss_get_default_display_name();
- struct omap_dss_device *def_dssdev;
- int i;
-
- def_dssdev = NULL;
-
- for (i = 0; i < pdata->num_devices; ++i) {
- struct omap_dss_device *dssdev = pdata->devices[i];
-
- if (dssdev->type != OMAP_DISPLAY_TYPE_DSI)
- continue;
-
- if (dssdev->phy.dsi.module != dsi->module_id)
- continue;
-
- if (def_dssdev == NULL)
- def_dssdev = dssdev;
-
- if (def_disp_name != NULL &&
- strcmp(dssdev->name, def_disp_name) == 0) {
- def_dssdev = dssdev;
- break;
- }
- }
-
- return def_dssdev;
-}
-
-static int dsi_probe_pdata(struct platform_device *dsidev)
-{
- struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
- struct omap_dss_device *plat_dssdev;
- struct omap_dss_device *dssdev;
- int r;
-
- plat_dssdev = dsi_find_dssdev(dsidev);
-
- if (!plat_dssdev)
- return 0;
-
- r = dsi_regulator_init(dsidev);
- if (r)
- return r;
-
- dssdev = dss_alloc_and_init_device(&dsidev->dev);
- if (!dssdev)
- return -ENOMEM;
-
- dss_copy_device_pdata(dssdev, plat_dssdev);
-
- r = omapdss_output_set_device(&dsi->output, dssdev);
- if (r) {
- DSSERR("failed to connect output to new device: %s\n",
- dssdev->name);
- dss_put_device(dssdev);
- return r;
- }
-
- r = dss_add_device(dssdev);
- if (r) {
- DSSERR("device %s register failed: %d\n", dssdev->name, r);
- omapdss_output_unset_device(&dsi->output);
- dss_put_device(dssdev);
- return r;
- }
-
- return 0;
-}
-
static int dsi_connect(struct omap_dss_device *dssdev,
struct omap_dss_device *dst)
{
@@ -5454,9 +5264,9 @@ static int dsi_connect(struct omap_dss_device *dssdev,
static void dsi_disconnect(struct omap_dss_device *dssdev,
struct omap_dss_device *dst)
{
- WARN_ON(dst != dssdev->device);
+ WARN_ON(dst != dssdev->dst);
- if (dst != dssdev->device)
+ if (dst != dssdev->dst)
return;
omapdss_output_unset_device(dssdev);
@@ -5472,24 +5282,24 @@ static const struct omapdss_dsi_ops dsi_ops = {
.bus_lock = dsi_bus_lock,
.bus_unlock = dsi_bus_unlock,
- .enable = omapdss_dsi_display_enable,
- .disable = omapdss_dsi_display_disable,
+ .enable = dsi_display_enable,
+ .disable = dsi_display_disable,
- .enable_hs = omapdss_dsi_vc_enable_hs,
+ .enable_hs = dsi_vc_enable_hs,
- .configure_pins = omapdss_dsi_configure_pins,
- .set_config = omapdss_dsi_set_config,
+ .configure_pins = dsi_configure_pins,
+ .set_config = dsi_set_config,
.enable_video_output = dsi_enable_video_output,
.disable_video_output = dsi_disable_video_output,
- .update = omap_dsi_update,
+ .update = dsi_update,
- .enable_te = omapdss_dsi_enable_te,
+ .enable_te = dsi_enable_te,
- .request_vc = omap_dsi_request_vc,
- .set_vc_id = omap_dsi_set_vc_id,
- .release_vc = omap_dsi_release_vc,
+ .request_vc = dsi_request_vc,
+ .set_vc_id = dsi_set_vc_id,
+ .release_vc = dsi_release_vc,
.dcs_write = dsi_vc_dcs_write,
.dcs_write_nosync = dsi_vc_dcs_write_nosync,
@@ -5627,12 +5437,6 @@ static int omap_dsihw_probe(struct platform_device *dsidev)
dsi_init_output(dsidev);
- if (dsidev->dev.platform_data) {
- r = dsi_probe_pdata(dsidev);
- if (r)
- goto err_probe;
- }
-
dsi_runtime_put(dsidev);
if (dsi->module_id == 0)
@@ -5648,9 +5452,6 @@ static int omap_dsihw_probe(struct platform_device *dsidev)
#endif
return 0;
-err_probe:
- dsi_runtime_put(dsidev);
- dsi_uninit_output(dsidev);
err_runtime_get:
pm_runtime_disable(&dsidev->dev);
return r;
@@ -5662,8 +5463,6 @@ static int __exit omap_dsihw_remove(struct platform_device *dsidev)
WARN_ON(dsi->scp_clk_refcount > 0);
- dss_unregister_child_devices(&dsidev->dev);
-
dsi_uninit_output(dsidev);
pm_runtime_disable(&dsidev->dev);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-22 22:46:36 +0000