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raspberrypi-kernel
提交 edb6e412 编写于 作者: A Andrzej Hajda 提交者： Inki Dae
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drm/exynos/hdmi: remove hdmi_v13_conf struct 

The patch removes intermediate struct for HDMIv13 register configuration,
instead registry values are calculated on the fly.
Signed-off-by: NAndrzej Hajda <a.hajda@samsung.com>
Reviewed-by: NJoonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: NInki Dae <inki.dae@samsung.com>
上级 c93aaebf
隐藏空白更改
内联 并排
Showing with 101 addition and 179 deletion
drivers/gpu/drm/exynos/exynos_hdmi.c
浏览文件 @ edb6e412
......@@ -107,19 +107,6 @@ struct hdmi_tg_regs {
u8 tg_3d[1];
};
struct hdmi_v13_core_regs {
u8 h_blank[2];
u8 v_blank[3];
u8 h_v_line[3];
u8 vsync_pol[1];
u8 int_pro_mode[1];
u8 v_blank_f[3];
u8 h_sync_gen[3];
u8 v_sync_gen1[3];
u8 v_sync_gen2[3];
u8 v_sync_gen3[3];
};
struct hdmi_v14_core_regs {
u8 h_blank[2];
u8 v2_blank[2];
......@@ -159,21 +146,11 @@ struct hdmi_v14_core_regs {
u8 vact_space_6[2];
};
struct hdmi_v13_conf {
struct hdmi_v13_core_regs core;
struct hdmi_tg_regs tg;
};
struct hdmi_v14_conf {
struct hdmi_v14_core_regs core;
struct hdmi_tg_regs tg;
};
union hdmi_conf_regs {
struct hdmi_v13_conf v13_conf;
struct hdmi_v14_conf v14_conf;
};
struct hdmi_context {
struct exynos_drm_display display;
struct device *dev;
......@@ -193,7 +170,7 @@ struct hdmi_context {
/* current hdmiphy conf regs */
struct drm_display_mode current_mode;
u8 cea_video_id;
union hdmi_conf_regs mode_conf;
struct hdmi_v14_conf mode_conf;
struct hdmi_resources res;
const struct hdmi_driver_data *drv_data;
......@@ -614,6 +591,16 @@ static inline void hdmi_reg_writeb(struct hdmi_context *hdata,
writeb(value, hdata->regs + reg_id);
}
static inline void hdmi_reg_writev(struct hdmi_context *hdata, u32 reg_id,
int bytes, u32 val)
{
while (--bytes >= 0) {
writeb(val & 0xff, hdata->regs + reg_id);
val >>= 8;
reg_id += 4;
}
}
static inline void hdmi_reg_writemask(struct hdmi_context *hdata,
u32 reg_id, u32 value, u32 mask)
{
......@@ -1409,65 +1396,94 @@ static void hdmi_conf_init(struct hdmi_context *hdata)
static void hdmi_v13_mode_apply(struct hdmi_context *hdata)
{
const struct hdmi_tg_regs *tg = &hdata->mode_conf.v13_conf.tg;
const struct hdmi_v13_core_regs *core = &hdata->mode_conf.v13_conf.core;
struct drm_display_mode *m = &hdata->current_mode;
unsigned int val;
int tries;
/* setting core registers */
hdmi_reg_writeb(hdata, HDMI_H_BLANK_0, core->h_blank[0]);
hdmi_reg_writeb(hdata, HDMI_H_BLANK_1, core->h_blank[1]);
hdmi_reg_writeb(hdata, HDMI_V13_V_BLANK_0, core->v_blank[0]);
hdmi_reg_writeb(hdata, HDMI_V13_V_BLANK_1, core->v_blank[1]);
hdmi_reg_writeb(hdata, HDMI_V13_V_BLANK_2, core->v_blank[2]);
hdmi_reg_writeb(hdata, HDMI_V13_H_V_LINE_0, core->h_v_line[0]);
hdmi_reg_writeb(hdata, HDMI_V13_H_V_LINE_1, core->h_v_line[1]);
hdmi_reg_writeb(hdata, HDMI_V13_H_V_LINE_2, core->h_v_line[2]);
hdmi_reg_writeb(hdata, HDMI_VSYNC_POL, core->vsync_pol[0]);
hdmi_reg_writeb(hdata, HDMI_INT_PRO_MODE, core->int_pro_mode[0]);
hdmi_reg_writeb(hdata, HDMI_V13_V_BLANK_F_0, core->v_blank_f[0]);
hdmi_reg_writeb(hdata, HDMI_V13_V_BLANK_F_1, core->v_blank_f[1]);
hdmi_reg_writeb(hdata, HDMI_V13_V_BLANK_F_2, core->v_blank_f[2]);
hdmi_reg_writeb(hdata, HDMI_V13_H_SYNC_GEN_0, core->h_sync_gen[0]);
hdmi_reg_writeb(hdata, HDMI_V13_H_SYNC_GEN_1, core->h_sync_gen[1]);
hdmi_reg_writeb(hdata, HDMI_V13_H_SYNC_GEN_2, core->h_sync_gen[2]);
hdmi_reg_writeb(hdata, HDMI_V13_V_SYNC_GEN_1_0, core->v_sync_gen1[0]);
hdmi_reg_writeb(hdata, HDMI_V13_V_SYNC_GEN_1_1, core->v_sync_gen1[1]);
hdmi_reg_writeb(hdata, HDMI_V13_V_SYNC_GEN_1_2, core->v_sync_gen1[2]);
hdmi_reg_writeb(hdata, HDMI_V13_V_SYNC_GEN_2_0, core->v_sync_gen2[0]);
hdmi_reg_writeb(hdata, HDMI_V13_V_SYNC_GEN_2_1, core->v_sync_gen2[1]);
hdmi_reg_writeb(hdata, HDMI_V13_V_SYNC_GEN_2_2, core->v_sync_gen2[2]);
hdmi_reg_writeb(hdata, HDMI_V13_V_SYNC_GEN_3_0, core->v_sync_gen3[0]);
hdmi_reg_writeb(hdata, HDMI_V13_V_SYNC_GEN_3_1, core->v_sync_gen3[1]);
hdmi_reg_writeb(hdata, HDMI_V13_V_SYNC_GEN_3_2, core->v_sync_gen3[2]);
hdmi_reg_writev(hdata, HDMI_H_BLANK_0, 2, m->htotal - m->hdisplay);
hdmi_reg_writev(hdata, HDMI_V13_H_V_LINE_0, 3,
(m->htotal << 12) | m->vtotal);
val = (m->flags & DRM_MODE_FLAG_NVSYNC) ? 1 : 0;
hdmi_reg_writev(hdata, HDMI_VSYNC_POL, 1, val);
val = (m->flags & DRM_MODE_FLAG_INTERLACE) ? 1 : 0;
hdmi_reg_writev(hdata, HDMI_INT_PRO_MODE, 1, val);
val = (m->hsync_start - m->hdisplay - 2);
val |= ((m->hsync_end - m->hdisplay - 2) << 10);
val |= ((m->flags & DRM_MODE_FLAG_NHSYNC) ? 1 : 0)<<20;
hdmi_reg_writev(hdata, HDMI_V13_H_SYNC_GEN_0, 3, val);
/*
* Quirk requirement for exynos HDMI IP design,
* 2 pixels less than the actual calculation for hsync_start
* and end.
*/
/* Following values & calculations differ for different type of modes */
if (m->flags & DRM_MODE_FLAG_INTERLACE) {
/* Interlaced Mode */
val = ((m->vsync_end - m->vdisplay) / 2);
val |= ((m->vsync_start - m->vdisplay) / 2) << 12;
hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_1_0, 3, val);
val = m->vtotal / 2;
val |= ((m->vtotal - m->vdisplay) / 2) << 11;
hdmi_reg_writev(hdata, HDMI_V13_V_BLANK_0, 3, val);
val = (m->vtotal +
((m->vsync_end - m->vsync_start) * 4) + 5) / 2;
val |= m->vtotal << 11;
hdmi_reg_writev(hdata, HDMI_V13_V_BLANK_F_0, 3, val);
val = ((m->vtotal / 2) + 7);
val |= ((m->vtotal / 2) + 2) << 12;
hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_2_0, 3, val);
val = ((m->htotal / 2) + (m->hsync_start - m->hdisplay));
val |= ((m->htotal / 2) +
(m->hsync_start - m->hdisplay)) << 12;
hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_3_0, 3, val);
hdmi_reg_writev(hdata, HDMI_TG_VACT_ST_L, 2,
(m->vtotal - m->vdisplay) / 2);
hdmi_reg_writev(hdata, HDMI_TG_VACT_SZ_L, 2, m->vdisplay / 2);
hdmi_reg_writev(hdata, HDMI_TG_VACT_ST2_L, 2, 0x249);
} else {
/* Progressive Mode */
val = m->vtotal;
val |= (m->vtotal - m->vdisplay) << 11;
hdmi_reg_writev(hdata, HDMI_V13_V_BLANK_0, 3, val);
hdmi_reg_writev(hdata, HDMI_V13_V_BLANK_F_0, 3, 0);
val = (m->vsync_end - m->vdisplay);
val |= ((m->vsync_start - m->vdisplay) << 12);
hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_1_0, 3, val);
hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_2_0, 3, 0x1001);
hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_3_0, 3, 0x1001);
hdmi_reg_writev(hdata, HDMI_TG_VACT_ST_L, 2,
m->vtotal - m->vdisplay);
hdmi_reg_writev(hdata, HDMI_TG_VACT_SZ_L, 2, m->vdisplay);
hdmi_reg_writev(hdata, HDMI_TG_VACT_ST2_L, 2, 0x248);
}
/* Timing generator registers */
hdmi_reg_writeb(hdata, HDMI_TG_H_FSZ_L, tg->h_fsz[0]);
hdmi_reg_writeb(hdata, HDMI_TG_H_FSZ_H, tg->h_fsz[1]);
hdmi_reg_writeb(hdata, HDMI_TG_HACT_ST_L, tg->hact_st[0]);
hdmi_reg_writeb(hdata, HDMI_TG_HACT_ST_H, tg->hact_st[1]);
hdmi_reg_writeb(hdata, HDMI_TG_HACT_SZ_L, tg->hact_sz[0]);
hdmi_reg_writeb(hdata, HDMI_TG_HACT_SZ_H, tg->hact_sz[1]);
hdmi_reg_writeb(hdata, HDMI_TG_V_FSZ_L, tg->v_fsz[0]);
hdmi_reg_writeb(hdata, HDMI_TG_V_FSZ_H, tg->v_fsz[1]);
hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_L, tg->vsync[0]);
hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_H, tg->vsync[1]);
hdmi_reg_writeb(hdata, HDMI_TG_VSYNC2_L, tg->vsync2[0]);
hdmi_reg_writeb(hdata, HDMI_TG_VSYNC2_H, tg->vsync2[1]);
hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST_L, tg->vact_st[0]);
hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST_H, tg->vact_st[1]);
hdmi_reg_writeb(hdata, HDMI_TG_VACT_SZ_L, tg->vact_sz[0]);
hdmi_reg_writeb(hdata, HDMI_TG_VACT_SZ_H, tg->vact_sz[1]);
hdmi_reg_writeb(hdata, HDMI_TG_FIELD_CHG_L, tg->field_chg[0]);
hdmi_reg_writeb(hdata, HDMI_TG_FIELD_CHG_H, tg->field_chg[1]);
hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST2_L, tg->vact_st2[0]);
hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST2_H, tg->vact_st2[1]);
hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_TOP_HDMI_L, tg->vsync_top_hdmi[0]);
hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_TOP_HDMI_H, tg->vsync_top_hdmi[1]);
hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_BOT_HDMI_L, tg->vsync_bot_hdmi[0]);
hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_BOT_HDMI_H, tg->vsync_bot_hdmi[1]);
hdmi_reg_writeb(hdata, HDMI_TG_FIELD_TOP_HDMI_L, tg->field_top_hdmi[0]);
hdmi_reg_writeb(hdata, HDMI_TG_FIELD_TOP_HDMI_H, tg->field_top_hdmi[1]);
hdmi_reg_writeb(hdata, HDMI_TG_FIELD_BOT_HDMI_L, tg->field_bot_hdmi[0]);
hdmi_reg_writeb(hdata, HDMI_TG_FIELD_BOT_HDMI_H, tg->field_bot_hdmi[1]);
hdmi_reg_writev(hdata, HDMI_TG_H_FSZ_L, 2, m->htotal);
hdmi_reg_writev(hdata, HDMI_TG_HACT_ST_L, 2, m->htotal - m->hdisplay);
hdmi_reg_writev(hdata, HDMI_TG_HACT_SZ_L, 2, m->hdisplay);
hdmi_reg_writev(hdata, HDMI_TG_V_FSZ_L, 2, m->vtotal);
hdmi_reg_writev(hdata, HDMI_TG_VSYNC_L, 2, 0x1);
hdmi_reg_writev(hdata, HDMI_TG_VSYNC2_L, 2, 0x233);
hdmi_reg_writev(hdata, HDMI_TG_FIELD_CHG_L, 2, 0x233);
hdmi_reg_writev(hdata, HDMI_TG_VSYNC_TOP_HDMI_L, 2, 0x1);
hdmi_reg_writev(hdata, HDMI_TG_VSYNC_BOT_HDMI_L, 2, 0x233);
hdmi_reg_writev(hdata, HDMI_TG_FIELD_TOP_HDMI_L, 2, 0x1);
hdmi_reg_writev(hdata, HDMI_TG_FIELD_BOT_HDMI_L, 2, 0x233);
/* waiting for HDMIPHY's PLL to get to steady state */
for (tries = 100; tries; --tries) {
......@@ -1492,8 +1508,8 @@ static void hdmi_v13_mode_apply(struct hdmi_context *hdata)
static void hdmi_v14_mode_apply(struct hdmi_context *hdata)
{
const struct hdmi_tg_regs *tg = &hdata->mode_conf.v14_conf.tg;
const struct hdmi_v14_core_regs *core = &hdata->mode_conf.v14_conf.core;
const struct hdmi_tg_regs *tg = &hdata->mode_conf.tg;
const struct hdmi_v14_core_regs *core = &hdata->mode_conf.core;
int tries;
/* setting core registers */
......@@ -1780,103 +1796,11 @@ static void hdmi_set_reg(u8 *reg_pair, int num_bytes, u32 value)
reg_pair[i] = (value >> (8 * i)) & 0xff;
}
static void hdmi_v13_mode_set(struct hdmi_context *hdata,
struct drm_display_mode *m)
{
struct hdmi_v13_core_regs *core = &hdata->mode_conf.v13_conf.core;
struct hdmi_tg_regs *tg = &hdata->mode_conf.v13_conf.tg;
unsigned int val;
hdmi_set_reg(core->h_blank, 2, m->htotal - m->hdisplay);
hdmi_set_reg(core->h_v_line, 3, (m->htotal << 12) | m->vtotal);
val = (m->flags & DRM_MODE_FLAG_NVSYNC) ? 1 : 0;
hdmi_set_reg(core->vsync_pol, 1, val);
val = (m->flags & DRM_MODE_FLAG_INTERLACE) ? 1 : 0;
hdmi_set_reg(core->int_pro_mode, 1, val);
val = (m->hsync_start - m->hdisplay - 2);
val |= ((m->hsync_end - m->hdisplay - 2) << 10);
val |= ((m->flags & DRM_MODE_FLAG_NHSYNC) ? 1 : 0)<<20;
hdmi_set_reg(core->h_sync_gen, 3, val);
/*
* Quirk requirement for exynos HDMI IP design,
* 2 pixels less than the actual calculation for hsync_start
* and end.
*/
/* Following values & calculations differ for different type of modes */
if (m->flags & DRM_MODE_FLAG_INTERLACE) {
/* Interlaced Mode */
val = ((m->vsync_end - m->vdisplay) / 2);
val |= ((m->vsync_start - m->vdisplay) / 2) << 12;
hdmi_set_reg(core->v_sync_gen1, 3, val);
val = m->vtotal / 2;
val |= ((m->vtotal - m->vdisplay) / 2) << 11;
hdmi_set_reg(core->v_blank, 3, val);
val = (m->vtotal +
((m->vsync_end - m->vsync_start) * 4) + 5) / 2;
val |= m->vtotal << 11;
hdmi_set_reg(core->v_blank_f, 3, val);
val = ((m->vtotal / 2) + 7);
val |= ((m->vtotal / 2) + 2) << 12;
hdmi_set_reg(core->v_sync_gen2, 3, val);
val = ((m->htotal / 2) + (m->hsync_start - m->hdisplay));
val |= ((m->htotal / 2) +
(m->hsync_start - m->hdisplay)) << 12;
hdmi_set_reg(core->v_sync_gen3, 3, val);
hdmi_set_reg(tg->vact_st, 2, (m->vtotal - m->vdisplay) / 2);
hdmi_set_reg(tg->vact_sz, 2, m->vdisplay / 2);
hdmi_set_reg(tg->vact_st2, 2, 0x249);/* Reset value + 1*/
} else {
/* Progressive Mode */
val = m->vtotal;
val |= (m->vtotal - m->vdisplay) << 11;
hdmi_set_reg(core->v_blank, 3, val);
hdmi_set_reg(core->v_blank_f, 3, 0);
val = (m->vsync_end - m->vdisplay);
val |= ((m->vsync_start - m->vdisplay) << 12);
hdmi_set_reg(core->v_sync_gen1, 3, val);
hdmi_set_reg(core->v_sync_gen2, 3, 0x1001);/* Reset value */
hdmi_set_reg(core->v_sync_gen3, 3, 0x1001);/* Reset value */
hdmi_set_reg(tg->vact_st, 2, m->vtotal - m->vdisplay);
hdmi_set_reg(tg->vact_sz, 2, m->vdisplay);
hdmi_set_reg(tg->vact_st2, 2, 0x248); /* Reset value */
}
/* Timing generator registers */
hdmi_set_reg(tg->cmd, 1, 0x0);
hdmi_set_reg(tg->h_fsz, 2, m->htotal);
hdmi_set_reg(tg->hact_st, 2, m->htotal - m->hdisplay);
hdmi_set_reg(tg->hact_sz, 2, m->hdisplay);
hdmi_set_reg(tg->v_fsz, 2, m->vtotal);
hdmi_set_reg(tg->vsync, 2, 0x1);
hdmi_set_reg(tg->vsync2, 2, 0x233); /* Reset value */
hdmi_set_reg(tg->field_chg, 2, 0x233); /* Reset value */
hdmi_set_reg(tg->vsync_top_hdmi, 2, 0x1); /* Reset value */
hdmi_set_reg(tg->vsync_bot_hdmi, 2, 0x233); /* Reset value */
hdmi_set_reg(tg->field_top_hdmi, 2, 0x1); /* Reset value */
hdmi_set_reg(tg->field_bot_hdmi, 2, 0x233); /* Reset value */
hdmi_set_reg(tg->tg_3d, 1, 0x0); /* Not used */
}
static void hdmi_v14_mode_set(struct hdmi_context *hdata,
struct drm_display_mode *m)
{
struct hdmi_tg_regs *tg = &hdata->mode_conf.v14_conf.tg;
struct hdmi_v14_core_regs *core = &hdata->mode_conf.v14_conf.core;
struct hdmi_tg_regs *tg = &hdata->mode_conf.tg;
struct hdmi_v14_core_regs *core = &hdata->mode_conf.core;
hdmi_set_reg(core->h_blank, 2, m->htotal - m->hdisplay);
hdmi_set_reg(core->v_line, 2, m->vtotal);
......@@ -1994,9 +1918,7 @@ static void hdmi_mode_set(struct exynos_drm_display *display,
hdata->cea_video_id = drm_match_cea_mode(mode);
if (hdata->drv_data->type == HDMI_TYPE13)
hdmi_v13_mode_set(hdata, mode);
else
if (hdata->drv_data->type == HDMI_TYPE14)
hdmi_v14_mode_set(hdata, mode);
}
......
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