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8#ifndef _HDMI_H
9#define _HDMI_H
10
11#include <linux/delay.h>
12#include <linux/io.h>
13#include <linux/platform_device.h>
14#include <linux/hdmi.h>
15#include <video/omapfb_dss.h>
16#include <sound/omap-hdmi-audio.h>
17
18#include "dss.h"
19
20
21
22#define HDMI_WP_REVISION 0x0
23#define HDMI_WP_SYSCONFIG 0x10
24#define HDMI_WP_IRQSTATUS_RAW 0x24
25#define HDMI_WP_IRQSTATUS 0x28
26#define HDMI_WP_IRQENABLE_SET 0x2C
27#define HDMI_WP_IRQENABLE_CLR 0x30
28#define HDMI_WP_IRQWAKEEN 0x34
29#define HDMI_WP_PWR_CTRL 0x40
30#define HDMI_WP_DEBOUNCE 0x44
31#define HDMI_WP_VIDEO_CFG 0x50
32#define HDMI_WP_VIDEO_SIZE 0x60
33#define HDMI_WP_VIDEO_TIMING_H 0x68
34#define HDMI_WP_VIDEO_TIMING_V 0x6C
35#define HDMI_WP_CLK 0x70
36#define HDMI_WP_AUDIO_CFG 0x80
37#define HDMI_WP_AUDIO_CFG2 0x84
38#define HDMI_WP_AUDIO_CTRL 0x88
39#define HDMI_WP_AUDIO_DATA 0x8C
40
41
42#define HDMI_IRQ_CORE (1 << 0)
43#define HDMI_IRQ_OCP_TIMEOUT (1 << 4)
44#define HDMI_IRQ_AUDIO_FIFO_UNDERFLOW (1 << 8)
45#define HDMI_IRQ_AUDIO_FIFO_OVERFLOW (1 << 9)
46#define HDMI_IRQ_AUDIO_FIFO_SAMPLE_REQ (1 << 10)
47#define HDMI_IRQ_VIDEO_VSYNC (1 << 16)
48#define HDMI_IRQ_VIDEO_FRAME_DONE (1 << 17)
49#define HDMI_IRQ_PHY_LINE5V_ASSERT (1 << 24)
50#define HDMI_IRQ_LINK_CONNECT (1 << 25)
51#define HDMI_IRQ_LINK_DISCONNECT (1 << 26)
52#define HDMI_IRQ_PLL_LOCK (1 << 29)
53#define HDMI_IRQ_PLL_UNLOCK (1 << 30)
54#define HDMI_IRQ_PLL_RECAL (1 << 31)
55
56
57
58#define PLLCTRL_PLL_CONTROL 0x0
59#define PLLCTRL_PLL_STATUS 0x4
60#define PLLCTRL_PLL_GO 0x8
61#define PLLCTRL_CFG1 0xC
62#define PLLCTRL_CFG2 0x10
63#define PLLCTRL_CFG3 0x14
64#define PLLCTRL_SSC_CFG1 0x18
65#define PLLCTRL_SSC_CFG2 0x1C
66#define PLLCTRL_CFG4 0x20
67
68
69
70#define HDMI_TXPHY_TX_CTRL 0x0
71#define HDMI_TXPHY_DIGITAL_CTRL 0x4
72#define HDMI_TXPHY_POWER_CTRL 0x8
73#define HDMI_TXPHY_PAD_CFG_CTRL 0xC
74#define HDMI_TXPHY_BIST_CONTROL 0x1C
75
76enum hdmi_pll_pwr {
77 HDMI_PLLPWRCMD_ALLOFF = 0,
78 HDMI_PLLPWRCMD_PLLONLY = 1,
79 HDMI_PLLPWRCMD_BOTHON_ALLCLKS = 2,
80 HDMI_PLLPWRCMD_BOTHON_NOPHYCLK = 3
81};
82
83enum hdmi_phy_pwr {
84 HDMI_PHYPWRCMD_OFF = 0,
85 HDMI_PHYPWRCMD_LDOON = 1,
86 HDMI_PHYPWRCMD_TXON = 2
87};
88
89enum hdmi_core_hdmi_dvi {
90 HDMI_DVI = 0,
91 HDMI_HDMI = 1
92};
93
94enum hdmi_packing_mode {
95 HDMI_PACK_10b_RGB_YUV444 = 0,
96 HDMI_PACK_24b_RGB_YUV444_YUV422 = 1,
97 HDMI_PACK_20b_YUV422 = 2,
98 HDMI_PACK_ALREADYPACKED = 7
99};
100
101enum hdmi_stereo_channels {
102 HDMI_AUDIO_STEREO_NOCHANNELS = 0,
103 HDMI_AUDIO_STEREO_ONECHANNEL = 1,
104 HDMI_AUDIO_STEREO_TWOCHANNELS = 2,
105 HDMI_AUDIO_STEREO_THREECHANNELS = 3,
106 HDMI_AUDIO_STEREO_FOURCHANNELS = 4
107};
108
109enum hdmi_audio_type {
110 HDMI_AUDIO_TYPE_LPCM = 0,
111 HDMI_AUDIO_TYPE_IEC = 1
112};
113
114enum hdmi_audio_justify {
115 HDMI_AUDIO_JUSTIFY_LEFT = 0,
116 HDMI_AUDIO_JUSTIFY_RIGHT = 1
117};
118
119enum hdmi_audio_sample_order {
120 HDMI_AUDIO_SAMPLE_RIGHT_FIRST = 0,
121 HDMI_AUDIO_SAMPLE_LEFT_FIRST = 1
122};
123
124enum hdmi_audio_samples_perword {
125 HDMI_AUDIO_ONEWORD_ONESAMPLE = 0,
126 HDMI_AUDIO_ONEWORD_TWOSAMPLES = 1
127};
128
129enum hdmi_audio_sample_size_omap {
130 HDMI_AUDIO_SAMPLE_16BITS = 0,
131 HDMI_AUDIO_SAMPLE_24BITS = 1
132};
133
134enum hdmi_audio_transf_mode {
135 HDMI_AUDIO_TRANSF_DMA = 0,
136 HDMI_AUDIO_TRANSF_IRQ = 1
137};
138
139enum hdmi_audio_blk_strt_end_sig {
140 HDMI_AUDIO_BLOCK_SIG_STARTEND_ON = 0,
141 HDMI_AUDIO_BLOCK_SIG_STARTEND_OFF = 1
142};
143
144enum hdmi_core_audio_layout {
145 HDMI_AUDIO_LAYOUT_2CH = 0,
146 HDMI_AUDIO_LAYOUT_8CH = 1,
147 HDMI_AUDIO_LAYOUT_6CH = 2
148};
149
150enum hdmi_core_cts_mode {
151 HDMI_AUDIO_CTS_MODE_HW = 0,
152 HDMI_AUDIO_CTS_MODE_SW = 1
153};
154
155enum hdmi_audio_mclk_mode {
156 HDMI_AUDIO_MCLK_128FS = 0,
157 HDMI_AUDIO_MCLK_256FS = 1,
158 HDMI_AUDIO_MCLK_384FS = 2,
159 HDMI_AUDIO_MCLK_512FS = 3,
160 HDMI_AUDIO_MCLK_768FS = 4,
161 HDMI_AUDIO_MCLK_1024FS = 5,
162 HDMI_AUDIO_MCLK_1152FS = 6,
163 HDMI_AUDIO_MCLK_192FS = 7
164};
165
166struct hdmi_video_format {
167 enum hdmi_packing_mode packing_mode;
168 u32 y_res;
169 u32 x_res;
170};
171
172struct hdmi_config {
173 struct omap_video_timings timings;
174 struct hdmi_avi_infoframe infoframe;
175 enum hdmi_core_hdmi_dvi hdmi_dvi_mode;
176};
177
178struct hdmi_audio_format {
179 enum hdmi_stereo_channels stereo_channels;
180 u8 active_chnnls_msk;
181 enum hdmi_audio_type type;
182 enum hdmi_audio_justify justification;
183 enum hdmi_audio_sample_order sample_order;
184 enum hdmi_audio_samples_perword samples_per_word;
185 enum hdmi_audio_sample_size_omap sample_size;
186 enum hdmi_audio_blk_strt_end_sig en_sig_blk_strt_end;
187};
188
189struct hdmi_audio_dma {
190 u8 transfer_size;
191 u8 block_size;
192 enum hdmi_audio_transf_mode mode;
193 u16 fifo_threshold;
194};
195
196struct hdmi_core_audio_i2s_config {
197 u8 in_length_bits;
198 u8 justification;
199 u8 sck_edge_mode;
200 u8 vbit;
201 u8 direction;
202 u8 shift;
203 u8 active_sds;
204};
205
206struct hdmi_core_audio_config {
207 struct hdmi_core_audio_i2s_config i2s_cfg;
208 struct snd_aes_iec958 *iec60958_cfg;
209 bool fs_override;
210 u32 n;
211 u32 cts;
212 u32 aud_par_busclk;
213 enum hdmi_core_audio_layout layout;
214 enum hdmi_core_cts_mode cts_mode;
215 bool use_mclk;
216 enum hdmi_audio_mclk_mode mclk_mode;
217 bool en_acr_pkt;
218 bool en_dsd_audio;
219 bool en_parallel_aud_input;
220 bool en_spdif;
221};
222
223struct hdmi_wp_data {
224 void __iomem *base;
225 phys_addr_t phys_base;
226};
227
228struct hdmi_pll_data {
229 struct dss_pll pll;
230
231 void __iomem *base;
232
233 struct hdmi_wp_data *wp;
234};
235
236struct hdmi_phy_data {
237 void __iomem *base;
238
239 u8 lane_function[4];
240 u8 lane_polarity[4];
241};
242
243struct hdmi_core_data {
244 void __iomem *base;
245};
246
247static inline void hdmi_write_reg(void __iomem *base_addr, const u32 idx,
248 u32 val)
249{
250 __raw_writel(val, base_addr + idx);
251}
252
253static inline u32 hdmi_read_reg(void __iomem *base_addr, const u32 idx)
254{
255 return __raw_readl(base_addr + idx);
256}
257
258#define REG_FLD_MOD(base, idx, val, start, end) \
259 hdmi_write_reg(base, idx, FLD_MOD(hdmi_read_reg(base, idx),\
260 val, start, end))
261#define REG_GET(base, idx, start, end) \
262 FLD_GET(hdmi_read_reg(base, idx), start, end)
263
264static inline int hdmi_wait_for_bit_change(void __iomem *base_addr,
265 const u32 idx, int b2, int b1, u32 val)
266{
267 u32 t = 0, v;
268 while (val != (v = REG_GET(base_addr, idx, b2, b1))) {
269 if (t++ > 10000)
270 return v;
271 udelay(1);
272 }
273 return v;
274}
275
276
277int hdmi_wp_video_start(struct hdmi_wp_data *wp);
278void hdmi_wp_video_stop(struct hdmi_wp_data *wp);
279void hdmi_wp_dump(struct hdmi_wp_data *wp, struct seq_file *s);
280u32 hdmi_wp_get_irqstatus(struct hdmi_wp_data *wp);
281void hdmi_wp_set_irqstatus(struct hdmi_wp_data *wp, u32 irqstatus);
282void hdmi_wp_set_irqenable(struct hdmi_wp_data *wp, u32 mask);
283void hdmi_wp_clear_irqenable(struct hdmi_wp_data *wp, u32 mask);
284int hdmi_wp_set_phy_pwr(struct hdmi_wp_data *wp, enum hdmi_phy_pwr val);
285int hdmi_wp_set_pll_pwr(struct hdmi_wp_data *wp, enum hdmi_pll_pwr val);
286void hdmi_wp_video_config_format(struct hdmi_wp_data *wp,
287 struct hdmi_video_format *video_fmt);
288void hdmi_wp_video_config_interface(struct hdmi_wp_data *wp,
289 struct omap_video_timings *timings);
290void hdmi_wp_video_config_timing(struct hdmi_wp_data *wp,
291 struct omap_video_timings *timings);
292void hdmi_wp_init_vid_fmt_timings(struct hdmi_video_format *video_fmt,
293 struct omap_video_timings *timings, struct hdmi_config *param);
294int hdmi_wp_init(struct platform_device *pdev, struct hdmi_wp_data *wp);
295phys_addr_t hdmi_wp_get_audio_dma_addr(struct hdmi_wp_data *wp);
296
297
298void hdmi_pll_dump(struct hdmi_pll_data *pll, struct seq_file *s);
299void hdmi_pll_compute(struct hdmi_pll_data *pll,
300 unsigned long target_tmds, struct dss_pll_clock_info *pi);
301int hdmi_pll_init(struct platform_device *pdev, struct hdmi_pll_data *pll,
302 struct hdmi_wp_data *wp);
303void hdmi_pll_uninit(struct hdmi_pll_data *hpll);
304
305
306int hdmi_phy_configure(struct hdmi_phy_data *phy, unsigned long hfbitclk,
307 unsigned long lfbitclk);
308void hdmi_phy_dump(struct hdmi_phy_data *phy, struct seq_file *s);
309int hdmi_phy_init(struct platform_device *pdev, struct hdmi_phy_data *phy);
310int hdmi_phy_parse_lanes(struct hdmi_phy_data *phy, const u32 *lanes);
311
312
313int hdmi_parse_lanes_of(struct platform_device *pdev, struct device_node *ep,
314 struct hdmi_phy_data *phy);
315
316
317int hdmi_compute_acr(u32 pclk, u32 sample_freq, u32 *n, u32 *cts);
318int hdmi_wp_audio_enable(struct hdmi_wp_data *wp, bool enable);
319int hdmi_wp_audio_core_req_enable(struct hdmi_wp_data *wp, bool enable);
320void hdmi_wp_audio_config_format(struct hdmi_wp_data *wp,
321 struct hdmi_audio_format *aud_fmt);
322void hdmi_wp_audio_config_dma(struct hdmi_wp_data *wp,
323 struct hdmi_audio_dma *aud_dma);
324static inline bool hdmi_mode_has_audio(struct hdmi_config *cfg)
325{
326 return cfg->hdmi_dvi_mode == HDMI_HDMI ? true : false;
327}
328
329
330struct omap_hdmi {
331 struct mutex lock;
332 struct platform_device *pdev;
333
334 struct hdmi_wp_data wp;
335 struct hdmi_pll_data pll;
336 struct hdmi_phy_data phy;
337 struct hdmi_core_data core;
338
339 struct hdmi_config cfg;
340
341 struct regulator *vdda_reg;
342
343 bool core_enabled;
344
345 struct omap_dss_device output;
346
347 struct platform_device *audio_pdev;
348 void (*audio_abort_cb)(struct device *dev);
349 int wp_idlemode;
350
351 bool audio_configured;
352 struct omap_dss_audio audio_config;
353
354
355 spinlock_t audio_playing_lock;
356 bool audio_playing;
357 bool display_enabled;
358};
359
360#endif
361
