#include <linux/interrupt.h>
#include <linux/mutex.h>
#include <linux/delay.h>
+#include <linux/platform_device.h>
#include <linux/string.h>
#include <linux/seq_file.h>
#if defined(CONFIG_OMAP4_DSS_HDMI_AUDIO)
#include "dss.h"
#include "dss_features.h"
+#define HDMI_CORE_AV 0x500
+
static inline void hdmi_write_reg(void __iomem *base_addr,
const u16 idx, u32 val)
{
return val;
}
-static inline void __iomem *hdmi_av_base(struct hdmi_ip_data *ip_data)
-{
- return ip_data->wp.base + ip_data->core_av_offset;
-}
-
-static inline void __iomem *hdmi_core_sys_base(struct hdmi_ip_data *ip_data)
+static inline void __iomem *hdmi_av_base(struct hdmi_core_data *core)
{
- return ip_data->wp.base + ip_data->core_sys_offset;
+ return core->base + HDMI_CORE_AV;
}
-static int hdmi_core_ddc_init(struct hdmi_ip_data *ip_data)
+static int hdmi_core_ddc_init(struct hdmi_core_data *core)
{
- void __iomem *base = hdmi_core_sys_base(ip_data);
+ void __iomem *base = core->base;
/* Turn on CLK for DDC */
REG_FLD_MOD(base, HDMI_CORE_AV_DPD, 0x7, 2, 0);
return 0;
}
-static int hdmi_core_ddc_edid(struct hdmi_ip_data *ip_data,
+static int hdmi_core_ddc_edid(struct hdmi_core_data *core,
u8 *pedid, int ext)
{
- void __iomem *base = hdmi_core_sys_base(ip_data);
+ void __iomem *base = core->base;
u32 i;
char checksum;
u32 offset = 0;
return 0;
}
-int ti_hdmi_4xxx_read_edid(struct hdmi_ip_data *ip_data,
- u8 *edid, int len)
+int hdmi4_read_edid(struct hdmi_core_data *core, u8 *edid, int len)
{
int r, l;
if (len < 128)
return -EINVAL;
- r = hdmi_core_ddc_init(ip_data);
+ r = hdmi_core_ddc_init(core);
if (r)
return r;
- r = hdmi_core_ddc_edid(ip_data, edid, 0);
+ r = hdmi_core_ddc_edid(core, edid, 0);
if (r)
return r;
l = 128;
if (len >= 128 * 2 && edid[0x7e] > 0) {
- r = hdmi_core_ddc_edid(ip_data, edid + 0x80, 1);
+ r = hdmi_core_ddc_edid(core, edid + 0x80, 1);
if (r)
return r;
l += 128;
repeat_cfg->generic_pkt_repeat = 0;
}
-static void hdmi_core_powerdown_disable(struct hdmi_ip_data *ip_data)
+static void hdmi_core_powerdown_disable(struct hdmi_core_data *core)
{
pr_debug("Enter hdmi_core_powerdown_disable\n");
- REG_FLD_MOD(hdmi_core_sys_base(ip_data), HDMI_CORE_SYS_SYS_CTRL1, 0x0, 0, 0);
+ REG_FLD_MOD(core->base, HDMI_CORE_SYS_SYS_CTRL1, 0x0, 0, 0);
}
-static void hdmi_core_swreset_release(struct hdmi_ip_data *ip_data)
+static void hdmi_core_swreset_release(struct hdmi_core_data *core)
{
pr_debug("Enter hdmi_core_swreset_release\n");
- REG_FLD_MOD(hdmi_core_sys_base(ip_data), HDMI_CORE_SYS_SRST, 0x0, 0, 0);
+ REG_FLD_MOD(core->base, HDMI_CORE_SYS_SRST, 0x0, 0, 0);
}
-static void hdmi_core_swreset_assert(struct hdmi_ip_data *ip_data)
+static void hdmi_core_swreset_assert(struct hdmi_core_data *core)
{
pr_debug("Enter hdmi_core_swreset_assert\n");
- REG_FLD_MOD(hdmi_core_sys_base(ip_data), HDMI_CORE_SYS_SRST, 0x1, 0, 0);
+ REG_FLD_MOD(core->base, HDMI_CORE_SYS_SRST, 0x1, 0, 0);
}
/* HDMI_CORE_VIDEO_CONFIG */
-static void hdmi_core_video_config(struct hdmi_ip_data *ip_data,
+static void hdmi_core_video_config(struct hdmi_core_data *core,
struct hdmi_core_video_config *cfg)
{
u32 r = 0;
- void __iomem *core_sys_base = hdmi_core_sys_base(ip_data);
+ void __iomem *core_sys_base = core->base;
+ void __iomem *core_av_base = hdmi_av_base(core);
/* sys_ctrl1 default configuration not tunable */
r = hdmi_read_reg(core_sys_base, HDMI_CORE_SYS_SYS_CTRL1);
hdmi_write_reg(core_sys_base, HDMI_CORE_SYS_VID_MODE, r);
/* HDMI_Ctrl */
- r = hdmi_read_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_HDMI_CTRL);
+ r = hdmi_read_reg(core_av_base, HDMI_CORE_AV_HDMI_CTRL);
r = FLD_MOD(r, cfg->deep_color_pkt, 6, 6);
r = FLD_MOD(r, cfg->pkt_mode, 5, 3);
r = FLD_MOD(r, cfg->hdmi_dvi, 0, 0);
- hdmi_write_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_HDMI_CTRL, r);
+ hdmi_write_reg(core_av_base, HDMI_CORE_AV_HDMI_CTRL, r);
/* TMDS_CTRL */
REG_FLD_MOD(core_sys_base,
HDMI_CORE_SYS_TMDS_CTRL, cfg->tclk_sel_clkmult, 6, 5);
}
-static void hdmi_core_aux_infoframe_avi_config(struct hdmi_ip_data *ip_data)
+static void hdmi_core_aux_infoframe_avi_config(struct hdmi_core_data *core)
{
u32 val;
char sum = 0, checksum = 0;
- void __iomem *av_base = hdmi_av_base(ip_data);
- struct hdmi_core_infoframe_avi info_avi = ip_data->avi_cfg;
+ void __iomem *av_base = hdmi_av_base(core);
+ struct hdmi_core_infoframe_avi info_avi = core->avi_cfg;
sum += 0x82 + 0x002 + 0x00D;
hdmi_write_reg(av_base, HDMI_CORE_AV_AVI_TYPE, 0x082);
hdmi_write_reg(av_base, HDMI_CORE_AV_AVI_CHSUM, checksum);
}
-static void hdmi_core_av_packet_config(struct hdmi_ip_data *ip_data,
+static void hdmi_core_av_packet_config(struct hdmi_core_data *core,
struct hdmi_core_packet_enable_repeat repeat_cfg)
{
/* enable/repeat the infoframe */
- hdmi_write_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_PB_CTRL1,
+ hdmi_write_reg(hdmi_av_base(core), HDMI_CORE_AV_PB_CTRL1,
(repeat_cfg.audio_pkt << 5) |
(repeat_cfg.audio_pkt_repeat << 4) |
(repeat_cfg.avi_infoframe << 1) |
(repeat_cfg.avi_infoframe_repeat));
/* enable/repeat the packet */
- hdmi_write_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_PB_CTRL2,
+ hdmi_write_reg(hdmi_av_base(core), HDMI_CORE_AV_PB_CTRL2,
(repeat_cfg.gen_cntrl_pkt << 3) |
(repeat_cfg.gen_cntrl_pkt_repeat << 2) |
(repeat_cfg.generic_pkt << 1) |
(repeat_cfg.generic_pkt_repeat));
}
-void ti_hdmi_4xxx_basic_configure(struct hdmi_ip_data *ip_data)
+void hdmi4_configure(struct hdmi_core_data *core,
+ struct hdmi_wp_data *wp, struct hdmi_config *cfg)
{
/* HDMI */
struct omap_video_timings video_timing;
struct hdmi_video_format video_format;
/* HDMI core */
- struct hdmi_core_infoframe_avi *avi_cfg = &ip_data->avi_cfg;
+ struct hdmi_core_infoframe_avi *avi_cfg = &core->avi_cfg;
struct hdmi_core_video_config v_core_cfg;
struct hdmi_core_packet_enable_repeat repeat_cfg;
- struct hdmi_config *cfg = &ip_data->cfg;
hdmi_core_init(&v_core_cfg, avi_cfg, &repeat_cfg);
hdmi_wp_init_vid_fmt_timings(&video_format, &video_timing, cfg);
- hdmi_wp_video_config_timing(&ip_data->wp, &video_timing);
+ hdmi_wp_video_config_timing(wp, &video_timing);
/* video config */
video_format.packing_mode = HDMI_PACK_24b_RGB_YUV444_YUV422;
- hdmi_wp_video_config_format(&ip_data->wp, &video_format);
+ hdmi_wp_video_config_format(wp, &video_format);
- hdmi_wp_video_config_interface(&ip_data->wp, &video_timing);
+ hdmi_wp_video_config_interface(wp, &video_timing);
/*
* configure core video part
* set software reset in the core
*/
- hdmi_core_swreset_assert(ip_data);
+ hdmi_core_swreset_assert(core);
/* power down off */
- hdmi_core_powerdown_disable(ip_data);
+ hdmi_core_powerdown_disable(core);
v_core_cfg.pkt_mode = HDMI_PACKETMODE24BITPERPIXEL;
v_core_cfg.hdmi_dvi = cfg->cm.mode;
- hdmi_core_video_config(ip_data, &v_core_cfg);
+ hdmi_core_video_config(core, &v_core_cfg);
/* release software reset in the core */
- hdmi_core_swreset_release(ip_data);
+ hdmi_core_swreset_release(core);
/*
* configure packet
avi_cfg->db10_11_pixel_eofleft = 0;
avi_cfg->db12_13_pixel_sofright = 0;
- hdmi_core_aux_infoframe_avi_config(ip_data);
+ hdmi_core_aux_infoframe_avi_config(core);
/* enable/repeat the infoframe */
repeat_cfg.avi_infoframe = HDMI_PACKETENABLE;
/* wakeup */
repeat_cfg.audio_pkt = HDMI_PACKETENABLE;
repeat_cfg.audio_pkt_repeat = HDMI_PACKETREPEATON;
- hdmi_core_av_packet_config(ip_data, repeat_cfg);
+ hdmi_core_av_packet_config(core, repeat_cfg);
}
-void ti_hdmi_4xxx_core_dump(struct hdmi_ip_data *ip_data, struct seq_file *s)
+void hdmi4_core_dump(struct hdmi_core_data *core, struct seq_file *s)
{
int i;
#define CORE_REG(i, name) name(i)
#define DUMPCORE(r) seq_printf(s, "%-35s %08x\n", #r,\
- hdmi_read_reg(hdmi_core_sys_base(ip_data), r))
+ hdmi_read_reg(core->base, r))
#define DUMPCOREAV(r) seq_printf(s, "%-35s %08x\n", #r,\
- hdmi_read_reg(hdmi_av_base(ip_data), r))
+ hdmi_read_reg(hdmi_av_base(core), r))
#define DUMPCOREAV2(i, r) seq_printf(s, "%s[%d]%*s %08x\n", #r, i, \
(i < 10) ? 32 - (int)strlen(#r) : 31 - (int)strlen(#r), " ", \
- hdmi_read_reg(hdmi_av_base(ip_data), CORE_REG(i, r)))
+ hdmi_read_reg(hdmi_av_base(core), CORE_REG(i, r)))
DUMPCORE(HDMI_CORE_SYS_VND_IDL);
DUMPCORE(HDMI_CORE_SYS_DEV_IDL);
}
#if defined(CONFIG_OMAP4_DSS_HDMI_AUDIO)
-static void ti_hdmi_4xxx_core_audio_config(struct hdmi_ip_data *ip_data,
+static void hdmi_core_audio_config(struct hdmi_core_data *core,
struct hdmi_core_audio_config *cfg)
{
u32 r;
- void __iomem *av_base = hdmi_av_base(ip_data);
+ void __iomem *av_base = hdmi_av_base(core);
/*
* Parameters for generation of Audio Clock Recovery packets
REG_FLD_MOD(av_base, HDMI_CORE_AV_SWAP_I2S, 1, 5, 5);
}
-static void ti_hdmi_4xxx_core_audio_infoframe_cfg(struct hdmi_ip_data *ip_data,
+static void hdmi_core_audio_infoframe_cfg(struct hdmi_core_data *core,
struct snd_cea_861_aud_if *info_aud)
{
u8 sum = 0, checksum = 0;
- void __iomem *av_base = hdmi_av_base(ip_data);
+ void __iomem *av_base = hdmi_av_base(core);
/*
* Set audio info frame type, version and length as
*/
}
-int ti_hdmi_4xxx_audio_config(struct hdmi_ip_data *ip_data,
+int hdmi4_audio_config(struct hdmi_core_data *core, struct hdmi_wp_data *wp,
struct omap_dss_audio *audio)
{
struct hdmi_audio_format audio_format;
struct hdmi_audio_dma audio_dma;
- struct hdmi_core_audio_config core;
+ struct hdmi_core_audio_config acore;
int err, n, cts, channel_count;
unsigned int fs_nr;
bool word_length_16b = false;
- if (!audio || !audio->iec || !audio->cea || !ip_data)
+ if (!audio || !audio->iec || !audio->cea || !core)
return -EINVAL;
- core.iec60958_cfg = audio->iec;
+ acore.iec60958_cfg = audio->iec;
/*
* In the IEC-60958 status word, check if the audio sample word length
* is 16-bit as several optimizations can be performed in such case.
/* I2S configuration. See Phillips' specification */
if (word_length_16b)
- core.i2s_cfg.justification = HDMI_AUDIO_JUSTIFY_LEFT;
+ acore.i2s_cfg.justification = HDMI_AUDIO_JUSTIFY_LEFT;
else
- core.i2s_cfg.justification = HDMI_AUDIO_JUSTIFY_RIGHT;
+ acore.i2s_cfg.justification = HDMI_AUDIO_JUSTIFY_RIGHT;
/*
* The I2S input word length is twice the lenght given in the IEC-60958
* status word. If the word size is greater than
* 20 bits, increment by one.
*/
- core.i2s_cfg.in_length_bits = audio->iec->status[4]
+ acore.i2s_cfg.in_length_bits = audio->iec->status[4]
& IEC958_AES4_CON_WORDLEN;
if (audio->iec->status[4] & IEC958_AES4_CON_MAX_WORDLEN_24)
- core.i2s_cfg.in_length_bits++;
- core.i2s_cfg.sck_edge_mode = HDMI_AUDIO_I2S_SCK_EDGE_RISING;
- core.i2s_cfg.vbit = HDMI_AUDIO_I2S_VBIT_FOR_PCM;
- core.i2s_cfg.direction = HDMI_AUDIO_I2S_MSB_SHIFTED_FIRST;
- core.i2s_cfg.shift = HDMI_AUDIO_I2S_FIRST_BIT_SHIFT;
+ acore.i2s_cfg.in_length_bits++;
+ acore.i2s_cfg.sck_edge_mode = HDMI_AUDIO_I2S_SCK_EDGE_RISING;
+ acore.i2s_cfg.vbit = HDMI_AUDIO_I2S_VBIT_FOR_PCM;
+ acore.i2s_cfg.direction = HDMI_AUDIO_I2S_MSB_SHIFTED_FIRST;
+ acore.i2s_cfg.shift = HDMI_AUDIO_I2S_FIRST_BIT_SHIFT;
/* convert sample frequency to a number */
switch (audio->iec->status[3] & IEC958_AES3_CON_FS) {
err = hdmi_compute_acr(fs_nr, &n, &cts);
/* Audio clock regeneration settings */
- core.n = n;
- core.cts = cts;
+ acore.n = n;
+ acore.cts = cts;
if (dss_has_feature(FEAT_HDMI_CTS_SWMODE)) {
- core.aud_par_busclk = 0;
- core.cts_mode = HDMI_AUDIO_CTS_MODE_SW;
- core.use_mclk = dss_has_feature(FEAT_HDMI_AUDIO_USE_MCLK);
+ acore.aud_par_busclk = 0;
+ acore.cts_mode = HDMI_AUDIO_CTS_MODE_SW;
+ acore.use_mclk = dss_has_feature(FEAT_HDMI_AUDIO_USE_MCLK);
} else {
- core.aud_par_busclk = (((128 * 31) - 1) << 8);
- core.cts_mode = HDMI_AUDIO_CTS_MODE_HW;
- core.use_mclk = true;
+ acore.aud_par_busclk = (((128 * 31) - 1) << 8);
+ acore.cts_mode = HDMI_AUDIO_CTS_MODE_HW;
+ acore.use_mclk = true;
}
- if (core.use_mclk)
- core.mclk_mode = HDMI_AUDIO_MCLK_128FS;
+ if (acore.use_mclk)
+ acore.mclk_mode = HDMI_AUDIO_MCLK_128FS;
/* Audio channels settings */
channel_count = (audio->cea->db1_ct_cc &
*/
if (channel_count == 2) {
audio_format.stereo_channels = HDMI_AUDIO_STEREO_ONECHANNEL;
- core.i2s_cfg.active_sds = HDMI_AUDIO_I2S_SD0_EN;
- core.layout = HDMI_AUDIO_LAYOUT_2CH;
+ acore.i2s_cfg.active_sds = HDMI_AUDIO_I2S_SD0_EN;
+ acore.layout = HDMI_AUDIO_LAYOUT_2CH;
} else {
audio_format.stereo_channels = HDMI_AUDIO_STEREO_FOURCHANNELS;
- core.i2s_cfg.active_sds = HDMI_AUDIO_I2S_SD0_EN |
+ acore.i2s_cfg.active_sds = HDMI_AUDIO_I2S_SD0_EN |
HDMI_AUDIO_I2S_SD1_EN | HDMI_AUDIO_I2S_SD2_EN |
HDMI_AUDIO_I2S_SD3_EN;
- core.layout = HDMI_AUDIO_LAYOUT_8CH;
+ acore.layout = HDMI_AUDIO_LAYOUT_8CH;
}
- core.en_spdif = false;
+ acore.en_spdif = false;
/* use sample frequency from channel status word */
- core.fs_override = true;
+ acore.fs_override = true;
/* enable ACR packets */
- core.en_acr_pkt = true;
+ acore.en_acr_pkt = true;
/* disable direct streaming digital audio */
- core.en_dsd_audio = false;
+ acore.en_dsd_audio = false;
/* use parallel audio interface */
- core.en_parallel_aud_input = true;
+ acore.en_parallel_aud_input = true;
/* DMA settings */
if (word_length_16b)
audio_format.en_sig_blk_strt_end = HDMI_AUDIO_BLOCK_SIG_STARTEND_ON;
/* configure DMA and audio FIFO format*/
- hdmi_wp_audio_config_dma(&ip_data->wp, &audio_dma);
- hdmi_wp_audio_config_format(&ip_data->wp, &audio_format);
+ hdmi_wp_audio_config_dma(wp, &audio_dma);
+ hdmi_wp_audio_config_format(wp, &audio_format);
/* configure the core*/
- ti_hdmi_4xxx_core_audio_config(ip_data, &core);
+ hdmi_core_audio_config(core, &acore);
/* configure CEA 861 audio infoframe*/
- ti_hdmi_4xxx_core_audio_infoframe_cfg(ip_data, audio->cea);
+ hdmi_core_audio_infoframe_cfg(core, audio->cea);
return 0;
}
-int ti_hdmi_4xxx_audio_start(struct hdmi_ip_data *ip_data)
+int hdmi4_audio_start(struct hdmi_core_data *core, struct hdmi_wp_data *wp)
{
- REG_FLD_MOD(hdmi_av_base(ip_data),
+ REG_FLD_MOD(hdmi_av_base(core),
HDMI_CORE_AV_AUD_MODE, true, 0, 0);
- hdmi_wp_audio_core_req_enable(&ip_data->wp, true);
+ hdmi_wp_audio_core_req_enable(wp, true);
return 0;
}
-void ti_hdmi_4xxx_audio_stop(struct hdmi_ip_data *ip_data)
+void hdmi4_audio_stop(struct hdmi_core_data *core, struct hdmi_wp_data *wp)
{
- REG_FLD_MOD(hdmi_av_base(ip_data),
+ REG_FLD_MOD(hdmi_av_base(core),
HDMI_CORE_AV_AUD_MODE, false, 0, 0);
- hdmi_wp_audio_core_req_enable(&ip_data->wp, false);
+ hdmi_wp_audio_core_req_enable(wp, false);
}
-int ti_hdmi_4xxx_audio_get_dma_port(u32 *offset, u32 *size)
+int hdmi4_audio_get_dma_port(u32 *offset, u32 *size)
{
if (!offset || !size)
return -EINVAL;
}
#endif
+
+#define CORE_OFFSET 0x400
+#define CORE_SIZE 0xc00
+
+int hdmi4_core_init(struct platform_device *pdev, struct hdmi_core_data *core)
+{
+ struct resource *res;
+ struct resource temp_res;
+
+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "hdmi_core");
+ if (!res) {
+ DSSDBG("can't get CORE mem resource by name\n");
+ /*
+ * if hwmod/DT doesn't have the memory resource information
+ * split into HDMI sub blocks by name, we try again by getting
+ * the platform's first resource. this code will be removed when
+ * the driver can get the mem resources by name
+ */
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res) {
+ DSSERR("can't get CORE mem resource\n");
+ return -EINVAL;
+ }
+
+ temp_res.start = res->start + CORE_OFFSET;
+ temp_res.end = temp_res.start + CORE_SIZE - 1;
+ res = &temp_res;
+ }
+
+ core->base = devm_ioremap(&pdev->dev, res->start, resource_size(res));
+ if (!core->base) {
+ DSSERR("can't ioremap CORE\n");
+ return -ENOMEM;
+ }
+
+ return 0;
+}
projects / karo-tx-linux.git / commitdiff