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1/*
2 * HDMI driver definition for TI OMAP4 Processor.
3 *
4 * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com/
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 as published by
8 * the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 * more details.
14 *
15 * You should have received a copy of the GNU General Public License along with
16 * this program. If not, see <http://www.gnu.org/licenses/>.
17 */
18
19#ifndef _HDMI_H
20#define _HDMI_H
21
22#include <linux/delay.h>
23#include <linux/io.h>
24#include <linux/platform_device.h>
25#include <linux/hdmi.h>
26#include <video/omapdss.h>
27
28#include "dss.h"
29
30/* HDMI Wrapper */
31
32#define HDMI_WP_REVISION 0x0
33#define HDMI_WP_SYSCONFIG 0x10
34#define HDMI_WP_IRQSTATUS_RAW 0x24
35#define HDMI_WP_IRQSTATUS 0x28
36#define HDMI_WP_IRQENABLE_SET 0x2C
37#define HDMI_WP_IRQENABLE_CLR 0x30
38#define HDMI_WP_IRQWAKEEN 0x34
39#define HDMI_WP_PWR_CTRL 0x40
40#define HDMI_WP_DEBOUNCE 0x44
41#define HDMI_WP_VIDEO_CFG 0x50
42#define HDMI_WP_VIDEO_SIZE 0x60
43#define HDMI_WP_VIDEO_TIMING_H 0x68
44#define HDMI_WP_VIDEO_TIMING_V 0x6C
45#define HDMI_WP_CLK 0x70
46#define HDMI_WP_AUDIO_CFG 0x80
47#define HDMI_WP_AUDIO_CFG2 0x84
48#define HDMI_WP_AUDIO_CTRL 0x88
49#define HDMI_WP_AUDIO_DATA 0x8C
50
51/* HDMI WP IRQ flags */
52#define HDMI_IRQ_CORE (1 << 0)
53#define HDMI_IRQ_OCP_TIMEOUT (1 << 4)
54#define HDMI_IRQ_AUDIO_FIFO_UNDERFLOW (1 << 8)
55#define HDMI_IRQ_AUDIO_FIFO_OVERFLOW (1 << 9)
56#define HDMI_IRQ_AUDIO_FIFO_SAMPLE_REQ (1 << 10)
57#define HDMI_IRQ_VIDEO_VSYNC (1 << 16)
58#define HDMI_IRQ_VIDEO_FRAME_DONE (1 << 17)
59#define HDMI_IRQ_PHY_LINE5V_ASSERT (1 << 24)
60#define HDMI_IRQ_LINK_CONNECT (1 << 25)
61#define HDMI_IRQ_LINK_DISCONNECT (1 << 26)
62#define HDMI_IRQ_PLL_LOCK (1 << 29)
63#define HDMI_IRQ_PLL_UNLOCK (1 << 30)
64#define HDMI_IRQ_PLL_RECAL (1 << 31)
65
66/* HDMI PLL */
67
68#define PLLCTRL_PLL_CONTROL 0x0
69#define PLLCTRL_PLL_STATUS 0x4
70#define PLLCTRL_PLL_GO 0x8
71#define PLLCTRL_CFG1 0xC
72#define PLLCTRL_CFG2 0x10
73#define PLLCTRL_CFG3 0x14
74#define PLLCTRL_SSC_CFG1 0x18
75#define PLLCTRL_SSC_CFG2 0x1C
76#define PLLCTRL_CFG4 0x20
77
78/* HDMI PHY */
79
80#define HDMI_TXPHY_TX_CTRL 0x0
81#define HDMI_TXPHY_DIGITAL_CTRL 0x4
82#define HDMI_TXPHY_POWER_CTRL 0x8
83#define HDMI_TXPHY_PAD_CFG_CTRL 0xC
84#define HDMI_TXPHY_BIST_CONTROL 0x1C
85
86enum hdmi_pll_pwr {
87 HDMI_PLLPWRCMD_ALLOFF = 0,
88 HDMI_PLLPWRCMD_PLLONLY = 1,
89 HDMI_PLLPWRCMD_BOTHON_ALLCLKS = 2,
90 HDMI_PLLPWRCMD_BOTHON_NOPHYCLK = 3
91};
92
93enum hdmi_phy_pwr {
94 HDMI_PHYPWRCMD_OFF = 0,
95 HDMI_PHYPWRCMD_LDOON = 1,
96 HDMI_PHYPWRCMD_TXON = 2
97};
98
99enum hdmi_core_hdmi_dvi {
100 HDMI_DVI = 0,
101 HDMI_HDMI = 1
102};
103
104enum hdmi_packing_mode {
105 HDMI_PACK_10b_RGB_YUV444 = 0,
106 HDMI_PACK_24b_RGB_YUV444_YUV422 = 1,
107 HDMI_PACK_20b_YUV422 = 2,
108 HDMI_PACK_ALREADYPACKED = 7
109};
110
111enum hdmi_stereo_channels {
112 HDMI_AUDIO_STEREO_NOCHANNELS = 0,
113 HDMI_AUDIO_STEREO_ONECHANNEL = 1,
114 HDMI_AUDIO_STEREO_TWOCHANNELS = 2,
115 HDMI_AUDIO_STEREO_THREECHANNELS = 3,
116 HDMI_AUDIO_STEREO_FOURCHANNELS = 4
117};
118
119enum hdmi_audio_type {
120 HDMI_AUDIO_TYPE_LPCM = 0,
121 HDMI_AUDIO_TYPE_IEC = 1
122};
123
124enum hdmi_audio_justify {
125 HDMI_AUDIO_JUSTIFY_LEFT = 0,
126 HDMI_AUDIO_JUSTIFY_RIGHT = 1
127};
128
129enum hdmi_audio_sample_order {
130 HDMI_AUDIO_SAMPLE_RIGHT_FIRST = 0,
131 HDMI_AUDIO_SAMPLE_LEFT_FIRST = 1
132};
133
134enum hdmi_audio_samples_perword {
135 HDMI_AUDIO_ONEWORD_ONESAMPLE = 0,
136 HDMI_AUDIO_ONEWORD_TWOSAMPLES = 1
137};
138
139enum hdmi_audio_sample_size_omap {
140 HDMI_AUDIO_SAMPLE_16BITS = 0,
141 HDMI_AUDIO_SAMPLE_24BITS = 1
142};
143
144enum hdmi_audio_transf_mode {
145 HDMI_AUDIO_TRANSF_DMA = 0,
146 HDMI_AUDIO_TRANSF_IRQ = 1
147};
148
149enum hdmi_audio_blk_strt_end_sig {
150 HDMI_AUDIO_BLOCK_SIG_STARTEND_ON = 0,
151 HDMI_AUDIO_BLOCK_SIG_STARTEND_OFF = 1
152};
153
154enum hdmi_core_audio_layout {
155 HDMI_AUDIO_LAYOUT_2CH = 0,
156 HDMI_AUDIO_LAYOUT_8CH = 1,
157 HDMI_AUDIO_LAYOUT_6CH = 2
158};
159
160enum hdmi_core_cts_mode {
161 HDMI_AUDIO_CTS_MODE_HW = 0,
162 HDMI_AUDIO_CTS_MODE_SW = 1
163};
164
165enum hdmi_audio_mclk_mode {
166 HDMI_AUDIO_MCLK_128FS = 0,
167 HDMI_AUDIO_MCLK_256FS = 1,
168 HDMI_AUDIO_MCLK_384FS = 2,
169 HDMI_AUDIO_MCLK_512FS = 3,
170 HDMI_AUDIO_MCLK_768FS = 4,
171 HDMI_AUDIO_MCLK_1024FS = 5,
172 HDMI_AUDIO_MCLK_1152FS = 6,
173 HDMI_AUDIO_MCLK_192FS = 7
174};
175
176struct hdmi_video_format {
177 enum hdmi_packing_mode packing_mode;
178 u32 y_res; /* Line per panel */
179 u32 x_res; /* pixel per line */
180};
181
182struct hdmi_config {
183 struct omap_video_timings timings;
184 struct hdmi_avi_infoframe infoframe;
185 enum hdmi_core_hdmi_dvi hdmi_dvi_mode;
186};
187
188struct hdmi_audio_format {
189 enum hdmi_stereo_channels stereo_channels;
190 u8 active_chnnls_msk;
191 enum hdmi_audio_type type;
192 enum hdmi_audio_justify justification;
193 enum hdmi_audio_sample_order sample_order;
194 enum hdmi_audio_samples_perword samples_per_word;
195 enum hdmi_audio_sample_size_omap sample_size;
196 enum hdmi_audio_blk_strt_end_sig en_sig_blk_strt_end;
197};
198
199struct hdmi_audio_dma {
200 u8 transfer_size;
201 u8 block_size;
202 enum hdmi_audio_transf_mode mode;
203 u16 fifo_threshold;
204};
205
206struct hdmi_core_audio_i2s_config {
207 u8 in_length_bits;
208 u8 justification;
209 u8 sck_edge_mode;
210 u8 vbit;
211 u8 direction;
212 u8 shift;
213 u8 active_sds;
214};
215
216struct hdmi_core_audio_config {
217 struct hdmi_core_audio_i2s_config i2s_cfg;
218 struct snd_aes_iec958 *iec60958_cfg;
219 bool fs_override;
220 u32 n;
221 u32 cts;
222 u32 aud_par_busclk;
223 enum hdmi_core_audio_layout layout;
224 enum hdmi_core_cts_mode cts_mode;
225 bool use_mclk;
226 enum hdmi_audio_mclk_mode mclk_mode;
227 bool en_acr_pkt;
228 bool en_dsd_audio;
229 bool en_parallel_aud_input;
230 bool en_spdif;
231};
232
233struct hdmi_wp_data {
234 void __iomem *base;
235 phys_addr_t phys_base;
236};
237
238struct hdmi_pll_data {
239 struct dss_pll pll;
240
241 void __iomem *base;
242
243 struct hdmi_wp_data *wp;
244};
245
246struct hdmi_phy_data {
247 void __iomem *base;
248
249 u8 lane_function[4];
250 u8 lane_polarity[4];
251};
252
253struct hdmi_core_data {
254 void __iomem *base;
255};
256
257static inline void hdmi_write_reg(void __iomem *base_addr, const u32 idx,
258 u32 val)
259{
260 __raw_writel(val, base_addr + idx);
261}
262
263static inline u32 hdmi_read_reg(void __iomem *base_addr, const u32 idx)
264{
265 return __raw_readl(base_addr + idx);
266}
267
268#define REG_FLD_MOD(base, idx, val, start, end) \
269 hdmi_write_reg(base, idx, FLD_MOD(hdmi_read_reg(base, idx),\
270 val, start, end))
271#define REG_GET(base, idx, start, end) \
272 FLD_GET(hdmi_read_reg(base, idx), start, end)
273
274static inline int hdmi_wait_for_bit_change(void __iomem *base_addr,
275 const u32 idx, int b2, int b1, u32 val)
276{
277 u32 t = 0, v;
278 while (val != (v = REG_GET(base_addr, idx, b2, b1))) {
279 if (t++ > 10000)
280 return v;
281 udelay(1);
282 }
283 return v;
284}
285
286/* HDMI wrapper funcs */
287int hdmi_wp_video_start(struct hdmi_wp_data *wp);
288void hdmi_wp_video_stop(struct hdmi_wp_data *wp);
289void hdmi_wp_dump(struct hdmi_wp_data *wp, struct seq_file *s);
290u32 hdmi_wp_get_irqstatus(struct hdmi_wp_data *wp);
291void hdmi_wp_set_irqstatus(struct hdmi_wp_data *wp, u32 irqstatus);
292void hdmi_wp_set_irqenable(struct hdmi_wp_data *wp, u32 mask);
293void hdmi_wp_clear_irqenable(struct hdmi_wp_data *wp, u32 mask);
294int hdmi_wp_set_phy_pwr(struct hdmi_wp_data *wp, enum hdmi_phy_pwr val);
295int hdmi_wp_set_pll_pwr(struct hdmi_wp_data *wp, enum hdmi_pll_pwr val);
296void hdmi_wp_video_config_format(struct hdmi_wp_data *wp,
297 struct hdmi_video_format *video_fmt);
298void hdmi_wp_video_config_interface(struct hdmi_wp_data *wp,
299 struct omap_video_timings *timings);
300void hdmi_wp_video_config_timing(struct hdmi_wp_data *wp,
301 struct omap_video_timings *timings);
302void hdmi_wp_init_vid_fmt_timings(struct hdmi_video_format *video_fmt,
303 struct omap_video_timings *timings, struct hdmi_config *param);
304int hdmi_wp_init(struct platform_device *pdev, struct hdmi_wp_data *wp);
305phys_addr_t hdmi_wp_get_audio_dma_addr(struct hdmi_wp_data *wp);
306
307/* HDMI PLL funcs */
308void hdmi_pll_dump(struct hdmi_pll_data *pll, struct seq_file *s);
309void hdmi_pll_compute(struct hdmi_pll_data *pll,
310 unsigned long target_tmds, struct dss_pll_clock_info *pi);
311int hdmi_pll_init(struct platform_device *pdev, struct hdmi_pll_data *pll,
312 struct hdmi_wp_data *wp);
313void hdmi_pll_uninit(struct hdmi_pll_data *hpll);
314
315/* HDMI PHY funcs */
316int hdmi_phy_configure(struct hdmi_phy_data *phy, unsigned long hfbitclk,
317 unsigned long lfbitclk);
318void hdmi_phy_dump(struct hdmi_phy_data *phy, struct seq_file *s);
319int hdmi_phy_init(struct platform_device *pdev, struct hdmi_phy_data *phy);
320int hdmi_phy_parse_lanes(struct hdmi_phy_data *phy, const u32 *lanes);
321
322/* HDMI common funcs */
323int hdmi_parse_lanes_of(struct platform_device *pdev, struct device_node *ep,
324 struct hdmi_phy_data *phy);
325
326/* Audio funcs */
327int hdmi_compute_acr(u32 pclk, u32 sample_freq, u32 *n, u32 *cts);
328int hdmi_wp_audio_enable(struct hdmi_wp_data *wp, bool enable);
329int hdmi_wp_audio_core_req_enable(struct hdmi_wp_data *wp, bool enable);
330void hdmi_wp_audio_config_format(struct hdmi_wp_data *wp,
331 struct hdmi_audio_format *aud_fmt);
332void hdmi_wp_audio_config_dma(struct hdmi_wp_data *wp,
333 struct hdmi_audio_dma *aud_dma);
334static inline bool hdmi_mode_has_audio(struct hdmi_config *cfg)
335{
336 return cfg->hdmi_dvi_mode == HDMI_HDMI ? true : false;
337}
338
339/* HDMI DRV data */
340struct omap_hdmi {
341 struct mutex lock;
342 struct platform_device *pdev;
343
344 struct hdmi_wp_data wp;
345 struct hdmi_pll_data pll;
346 struct hdmi_phy_data phy;
347 struct hdmi_core_data core;
348
349 struct hdmi_config cfg;
350
351 struct regulator *vdda_reg;
352
353 bool core_enabled;
354
355 struct omap_dss_device output;
356
357 struct platform_device *audio_pdev;
358 void (*audio_abort_cb)(struct device *dev);
359 int wp_idlemode;
360
361 bool audio_configured;
362 struct omap_dss_audio audio_config;
363
364 /* This lock should be taken when booleans bellow are touched. */
365 spinlock_t audio_playing_lock;
366 bool audio_playing;
367 bool display_enabled;
368};
369
370#endif
1/*
2 * HDMI driver definition for TI OMAP4 Processor.
3 *
4 * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com/
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 as published by
8 * the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 * more details.
14 *
15 * You should have received a copy of the GNU General Public License along with
16 * this program. If not, see <http://www.gnu.org/licenses/>.
17 */
18
19#ifndef _HDMI_H
20#define _HDMI_H
21
22#include <linux/delay.h>
23#include <linux/io.h>
24#include <linux/platform_device.h>
25#include <linux/hdmi.h>
26#include <sound/omap-hdmi-audio.h>
27
28#include "omapdss.h"
29#include "dss.h"
30
31/* HDMI Wrapper */
32
33#define HDMI_WP_REVISION 0x0
34#define HDMI_WP_SYSCONFIG 0x10
35#define HDMI_WP_IRQSTATUS_RAW 0x24
36#define HDMI_WP_IRQSTATUS 0x28
37#define HDMI_WP_IRQENABLE_SET 0x2C
38#define HDMI_WP_IRQENABLE_CLR 0x30
39#define HDMI_WP_IRQWAKEEN 0x34
40#define HDMI_WP_PWR_CTRL 0x40
41#define HDMI_WP_DEBOUNCE 0x44
42#define HDMI_WP_VIDEO_CFG 0x50
43#define HDMI_WP_VIDEO_SIZE 0x60
44#define HDMI_WP_VIDEO_TIMING_H 0x68
45#define HDMI_WP_VIDEO_TIMING_V 0x6C
46#define HDMI_WP_CLK 0x70
47#define HDMI_WP_AUDIO_CFG 0x80
48#define HDMI_WP_AUDIO_CFG2 0x84
49#define HDMI_WP_AUDIO_CTRL 0x88
50#define HDMI_WP_AUDIO_DATA 0x8C
51
52/* HDMI WP IRQ flags */
53#define HDMI_IRQ_CORE (1 << 0)
54#define HDMI_IRQ_OCP_TIMEOUT (1 << 4)
55#define HDMI_IRQ_AUDIO_FIFO_UNDERFLOW (1 << 8)
56#define HDMI_IRQ_AUDIO_FIFO_OVERFLOW (1 << 9)
57#define HDMI_IRQ_AUDIO_FIFO_SAMPLE_REQ (1 << 10)
58#define HDMI_IRQ_VIDEO_VSYNC (1 << 16)
59#define HDMI_IRQ_VIDEO_FRAME_DONE (1 << 17)
60#define HDMI_IRQ_PHY_LINE5V_ASSERT (1 << 24)
61#define HDMI_IRQ_LINK_CONNECT (1 << 25)
62#define HDMI_IRQ_LINK_DISCONNECT (1 << 26)
63#define HDMI_IRQ_PLL_LOCK (1 << 29)
64#define HDMI_IRQ_PLL_UNLOCK (1 << 30)
65#define HDMI_IRQ_PLL_RECAL (1 << 31)
66
67/* HDMI PLL */
68
69#define PLLCTRL_PLL_CONTROL 0x0
70#define PLLCTRL_PLL_STATUS 0x4
71#define PLLCTRL_PLL_GO 0x8
72#define PLLCTRL_CFG1 0xC
73#define PLLCTRL_CFG2 0x10
74#define PLLCTRL_CFG3 0x14
75#define PLLCTRL_SSC_CFG1 0x18
76#define PLLCTRL_SSC_CFG2 0x1C
77#define PLLCTRL_CFG4 0x20
78
79/* HDMI PHY */
80
81#define HDMI_TXPHY_TX_CTRL 0x0
82#define HDMI_TXPHY_DIGITAL_CTRL 0x4
83#define HDMI_TXPHY_POWER_CTRL 0x8
84#define HDMI_TXPHY_PAD_CFG_CTRL 0xC
85#define HDMI_TXPHY_BIST_CONTROL 0x1C
86
87enum hdmi_pll_pwr {
88 HDMI_PLLPWRCMD_ALLOFF = 0,
89 HDMI_PLLPWRCMD_PLLONLY = 1,
90 HDMI_PLLPWRCMD_BOTHON_ALLCLKS = 2,
91 HDMI_PLLPWRCMD_BOTHON_NOPHYCLK = 3
92};
93
94enum hdmi_phy_pwr {
95 HDMI_PHYPWRCMD_OFF = 0,
96 HDMI_PHYPWRCMD_LDOON = 1,
97 HDMI_PHYPWRCMD_TXON = 2
98};
99
100enum hdmi_core_hdmi_dvi {
101 HDMI_DVI = 0,
102 HDMI_HDMI = 1
103};
104
105enum hdmi_packing_mode {
106 HDMI_PACK_10b_RGB_YUV444 = 0,
107 HDMI_PACK_24b_RGB_YUV444_YUV422 = 1,
108 HDMI_PACK_20b_YUV422 = 2,
109 HDMI_PACK_ALREADYPACKED = 7
110};
111
112enum hdmi_stereo_channels {
113 HDMI_AUDIO_STEREO_NOCHANNELS = 0,
114 HDMI_AUDIO_STEREO_ONECHANNEL = 1,
115 HDMI_AUDIO_STEREO_TWOCHANNELS = 2,
116 HDMI_AUDIO_STEREO_THREECHANNELS = 3,
117 HDMI_AUDIO_STEREO_FOURCHANNELS = 4
118};
119
120enum hdmi_audio_type {
121 HDMI_AUDIO_TYPE_LPCM = 0,
122 HDMI_AUDIO_TYPE_IEC = 1
123};
124
125enum hdmi_audio_justify {
126 HDMI_AUDIO_JUSTIFY_LEFT = 0,
127 HDMI_AUDIO_JUSTIFY_RIGHT = 1
128};
129
130enum hdmi_audio_sample_order {
131 HDMI_AUDIO_SAMPLE_RIGHT_FIRST = 0,
132 HDMI_AUDIO_SAMPLE_LEFT_FIRST = 1
133};
134
135enum hdmi_audio_samples_perword {
136 HDMI_AUDIO_ONEWORD_ONESAMPLE = 0,
137 HDMI_AUDIO_ONEWORD_TWOSAMPLES = 1
138};
139
140enum hdmi_audio_sample_size_omap {
141 HDMI_AUDIO_SAMPLE_16BITS = 0,
142 HDMI_AUDIO_SAMPLE_24BITS = 1
143};
144
145enum hdmi_audio_transf_mode {
146 HDMI_AUDIO_TRANSF_DMA = 0,
147 HDMI_AUDIO_TRANSF_IRQ = 1
148};
149
150enum hdmi_audio_blk_strt_end_sig {
151 HDMI_AUDIO_BLOCK_SIG_STARTEND_ON = 0,
152 HDMI_AUDIO_BLOCK_SIG_STARTEND_OFF = 1
153};
154
155enum hdmi_core_audio_layout {
156 HDMI_AUDIO_LAYOUT_2CH = 0,
157 HDMI_AUDIO_LAYOUT_8CH = 1,
158 HDMI_AUDIO_LAYOUT_6CH = 2
159};
160
161enum hdmi_core_cts_mode {
162 HDMI_AUDIO_CTS_MODE_HW = 0,
163 HDMI_AUDIO_CTS_MODE_SW = 1
164};
165
166enum hdmi_audio_mclk_mode {
167 HDMI_AUDIO_MCLK_128FS = 0,
168 HDMI_AUDIO_MCLK_256FS = 1,
169 HDMI_AUDIO_MCLK_384FS = 2,
170 HDMI_AUDIO_MCLK_512FS = 3,
171 HDMI_AUDIO_MCLK_768FS = 4,
172 HDMI_AUDIO_MCLK_1024FS = 5,
173 HDMI_AUDIO_MCLK_1152FS = 6,
174 HDMI_AUDIO_MCLK_192FS = 7
175};
176
177struct hdmi_video_format {
178 enum hdmi_packing_mode packing_mode;
179 u32 y_res; /* Line per panel */
180 u32 x_res; /* pixel per line */
181};
182
183struct hdmi_config {
184 struct videomode vm;
185 struct hdmi_avi_infoframe infoframe;
186 enum hdmi_core_hdmi_dvi hdmi_dvi_mode;
187};
188
189struct hdmi_audio_format {
190 enum hdmi_stereo_channels stereo_channels;
191 u8 active_chnnls_msk;
192 enum hdmi_audio_type type;
193 enum hdmi_audio_justify justification;
194 enum hdmi_audio_sample_order sample_order;
195 enum hdmi_audio_samples_perword samples_per_word;
196 enum hdmi_audio_sample_size_omap sample_size;
197 enum hdmi_audio_blk_strt_end_sig en_sig_blk_strt_end;
198};
199
200struct hdmi_audio_dma {
201 u8 transfer_size;
202 u8 block_size;
203 enum hdmi_audio_transf_mode mode;
204 u16 fifo_threshold;
205};
206
207struct hdmi_core_audio_i2s_config {
208 u8 in_length_bits;
209 u8 justification;
210 u8 sck_edge_mode;
211 u8 vbit;
212 u8 direction;
213 u8 shift;
214 u8 active_sds;
215};
216
217struct hdmi_core_audio_config {
218 struct hdmi_core_audio_i2s_config i2s_cfg;
219 struct snd_aes_iec958 *iec60958_cfg;
220 bool fs_override;
221 u32 n;
222 u32 cts;
223 u32 aud_par_busclk;
224 enum hdmi_core_audio_layout layout;
225 enum hdmi_core_cts_mode cts_mode;
226 bool use_mclk;
227 enum hdmi_audio_mclk_mode mclk_mode;
228 bool en_acr_pkt;
229 bool en_dsd_audio;
230 bool en_parallel_aud_input;
231 bool en_spdif;
232};
233
234struct hdmi_wp_data {
235 void __iomem *base;
236 phys_addr_t phys_base;
237};
238
239struct hdmi_pll_data {
240 struct dss_pll pll;
241
242 void __iomem *base;
243
244 struct platform_device *pdev;
245 struct hdmi_wp_data *wp;
246};
247
248struct hdmi_phy_data {
249 void __iomem *base;
250
251 u8 lane_function[4];
252 u8 lane_polarity[4];
253};
254
255struct hdmi_core_data {
256 void __iomem *base;
257};
258
259static inline void hdmi_write_reg(void __iomem *base_addr, const u32 idx,
260 u32 val)
261{
262 __raw_writel(val, base_addr + idx);
263}
264
265static inline u32 hdmi_read_reg(void __iomem *base_addr, const u32 idx)
266{
267 return __raw_readl(base_addr + idx);
268}
269
270#define REG_FLD_MOD(base, idx, val, start, end) \
271 hdmi_write_reg(base, idx, FLD_MOD(hdmi_read_reg(base, idx),\
272 val, start, end))
273#define REG_GET(base, idx, start, end) \
274 FLD_GET(hdmi_read_reg(base, idx), start, end)
275
276static inline int hdmi_wait_for_bit_change(void __iomem *base_addr,
277 const u32 idx, int b2, int b1, u32 val)
278{
279 u32 t = 0, v;
280 while (val != (v = REG_GET(base_addr, idx, b2, b1))) {
281 if (t++ > 10000)
282 return v;
283 udelay(1);
284 }
285 return v;
286}
287
288/* HDMI wrapper funcs */
289int hdmi_wp_video_start(struct hdmi_wp_data *wp);
290void hdmi_wp_video_stop(struct hdmi_wp_data *wp);
291void hdmi_wp_dump(struct hdmi_wp_data *wp, struct seq_file *s);
292u32 hdmi_wp_get_irqstatus(struct hdmi_wp_data *wp);
293void hdmi_wp_set_irqstatus(struct hdmi_wp_data *wp, u32 irqstatus);
294void hdmi_wp_set_irqenable(struct hdmi_wp_data *wp, u32 mask);
295void hdmi_wp_clear_irqenable(struct hdmi_wp_data *wp, u32 mask);
296int hdmi_wp_set_phy_pwr(struct hdmi_wp_data *wp, enum hdmi_phy_pwr val);
297int hdmi_wp_set_pll_pwr(struct hdmi_wp_data *wp, enum hdmi_pll_pwr val);
298void hdmi_wp_video_config_format(struct hdmi_wp_data *wp,
299 struct hdmi_video_format *video_fmt);
300void hdmi_wp_video_config_interface(struct hdmi_wp_data *wp,
301 struct videomode *vm);
302void hdmi_wp_video_config_timing(struct hdmi_wp_data *wp,
303 struct videomode *vm);
304void hdmi_wp_init_vid_fmt_timings(struct hdmi_video_format *video_fmt,
305 struct videomode *vm, struct hdmi_config *param);
306int hdmi_wp_init(struct platform_device *pdev, struct hdmi_wp_data *wp);
307phys_addr_t hdmi_wp_get_audio_dma_addr(struct hdmi_wp_data *wp);
308
309/* HDMI PLL funcs */
310void hdmi_pll_dump(struct hdmi_pll_data *pll, struct seq_file *s);
311int hdmi_pll_init(struct platform_device *pdev, struct hdmi_pll_data *pll,
312 struct hdmi_wp_data *wp);
313void hdmi_pll_uninit(struct hdmi_pll_data *hpll);
314
315/* HDMI PHY funcs */
316int hdmi_phy_configure(struct hdmi_phy_data *phy, unsigned long hfbitclk,
317 unsigned long lfbitclk);
318void hdmi_phy_dump(struct hdmi_phy_data *phy, struct seq_file *s);
319int hdmi_phy_init(struct platform_device *pdev, struct hdmi_phy_data *phy);
320int hdmi_phy_parse_lanes(struct hdmi_phy_data *phy, const u32 *lanes);
321
322/* HDMI common funcs */
323int hdmi_parse_lanes_of(struct platform_device *pdev, struct device_node *ep,
324 struct hdmi_phy_data *phy);
325
326/* Audio funcs */
327int hdmi_compute_acr(u32 pclk, u32 sample_freq, u32 *n, u32 *cts);
328int hdmi_wp_audio_enable(struct hdmi_wp_data *wp, bool enable);
329int hdmi_wp_audio_core_req_enable(struct hdmi_wp_data *wp, bool enable);
330void hdmi_wp_audio_config_format(struct hdmi_wp_data *wp,
331 struct hdmi_audio_format *aud_fmt);
332void hdmi_wp_audio_config_dma(struct hdmi_wp_data *wp,
333 struct hdmi_audio_dma *aud_dma);
334static inline bool hdmi_mode_has_audio(struct hdmi_config *cfg)
335{
336 return cfg->hdmi_dvi_mode == HDMI_HDMI ? true : false;
337}
338
339/* HDMI DRV data */
340struct omap_hdmi {
341 struct mutex lock;
342 struct platform_device *pdev;
343
344 struct hdmi_wp_data wp;
345 struct hdmi_pll_data pll;
346 struct hdmi_phy_data phy;
347 struct hdmi_core_data core;
348
349 struct hdmi_config cfg;
350
351 struct regulator *vdda_reg;
352
353 bool core_enabled;
354
355 struct omap_dss_device output;
356
357 struct platform_device *audio_pdev;
358 void (*audio_abort_cb)(struct device *dev);
359 int wp_idlemode;
360
361 bool audio_configured;
362 struct omap_dss_audio audio_config;
363
364 /* This lock should be taken when booleans bellow are touched. */
365 spinlock_t audio_playing_lock;
366 bool audio_playing;
367 bool display_enabled;
368};
369
370#endif