kirkwood.h 4.7 KB

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  1. /* SPDX-License-Identifier: GPL-2.0-or-later */
  2. /*
  3. * kirkwood.h
  4. *
  5. * (c) 2010 Arnaud Patard <apatard@mandriva.com>
  6. */
  7. #ifndef _KIRKWOOD_AUDIO_H
  8. #define _KIRKWOOD_AUDIO_H
  9. #define DRV_NAME "mvebu-audio"
  10. #define KIRKWOOD_RECORD_WIN 0
  11. #define KIRKWOOD_PLAYBACK_WIN 1
  12. #define KIRKWOOD_MAX_AUDIO_WIN 2
  13. #define KIRKWOOD_AUDIO_WIN_BASE_REG(win) (0xA00 + ((win)<<3))
  14. #define KIRKWOOD_AUDIO_WIN_CTRL_REG(win) (0xA04 + ((win)<<3))
  15. #define KIRKWOOD_RECCTL 0x1000
  16. #define KIRKWOOD_RECCTL_SPDIF_EN (1<<11)
  17. #define KIRKWOOD_RECCTL_I2S_EN (1<<10)
  18. #define KIRKWOOD_RECCTL_PAUSE (1<<9)
  19. #define KIRKWOOD_RECCTL_MUTE (1<<8)
  20. #define KIRKWOOD_RECCTL_BURST_MASK (3<<5)
  21. #define KIRKWOOD_RECCTL_BURST_128 (2<<5)
  22. #define KIRKWOOD_RECCTL_BURST_32 (1<<5)
  23. #define KIRKWOOD_RECCTL_MONO (1<<4)
  24. #define KIRKWOOD_RECCTL_MONO_CHAN_RIGHT (1<<3)
  25. #define KIRKWOOD_RECCTL_MONO_CHAN_LEFT (0<<3)
  26. #define KIRKWOOD_RECCTL_SIZE_MASK (7<<0)
  27. #define KIRKWOOD_RECCTL_SIZE_16 (7<<0)
  28. #define KIRKWOOD_RECCTL_SIZE_16_C (3<<0)
  29. #define KIRKWOOD_RECCTL_SIZE_20 (2<<0)
  30. #define KIRKWOOD_RECCTL_SIZE_24 (1<<0)
  31. #define KIRKWOOD_RECCTL_SIZE_32 (0<<0)
  32. #define KIRKWOOD_RECCTL_ENABLE_MASK (KIRKWOOD_RECCTL_SPDIF_EN | \
  33. KIRKWOOD_RECCTL_I2S_EN)
  34. #define KIRKWOOD_REC_BUF_ADDR 0x1004
  35. #define KIRKWOOD_REC_BUF_SIZE 0x1008
  36. #define KIRKWOOD_REC_BYTE_COUNT 0x100C
  37. #define KIRKWOOD_PLAYCTL 0x1100
  38. #define KIRKWOOD_PLAYCTL_PLAY_BUSY (1<<16)
  39. #define KIRKWOOD_PLAYCTL_BURST_MASK (3<<11)
  40. #define KIRKWOOD_PLAYCTL_BURST_128 (2<<11)
  41. #define KIRKWOOD_PLAYCTL_BURST_32 (1<<11)
  42. #define KIRKWOOD_PLAYCTL_PAUSE (1<<9)
  43. #define KIRKWOOD_PLAYCTL_SPDIF_MUTE (1<<8)
  44. #define KIRKWOOD_PLAYCTL_MONO_MASK (3<<5)
  45. #define KIRKWOOD_PLAYCTL_MONO_BOTH (3<<5)
  46. #define KIRKWOOD_PLAYCTL_MONO_OFF (0<<5)
  47. #define KIRKWOOD_PLAYCTL_I2S_MUTE (1<<7)
  48. #define KIRKWOOD_PLAYCTL_SPDIF_EN (1<<4)
  49. #define KIRKWOOD_PLAYCTL_I2S_EN (1<<3)
  50. #define KIRKWOOD_PLAYCTL_SIZE_MASK (7<<0)
  51. #define KIRKWOOD_PLAYCTL_SIZE_16 (7<<0)
  52. #define KIRKWOOD_PLAYCTL_SIZE_16_C (3<<0)
  53. #define KIRKWOOD_PLAYCTL_SIZE_20 (2<<0)
  54. #define KIRKWOOD_PLAYCTL_SIZE_24 (1<<0)
  55. #define KIRKWOOD_PLAYCTL_SIZE_32 (0<<0)
  56. #define KIRKWOOD_PLAYCTL_ENABLE_MASK (KIRKWOOD_PLAYCTL_SPDIF_EN | \
  57. KIRKWOOD_PLAYCTL_I2S_EN)
  58. #define KIRKWOOD_PLAY_BUF_ADDR 0x1104
  59. #define KIRKWOOD_PLAY_BUF_SIZE 0x1108
  60. #define KIRKWOOD_PLAY_BYTE_COUNT 0x110C
  61. #define KIRKWOOD_DCO_CTL 0x1204
  62. #define KIRKWOOD_DCO_CTL_OFFSET_MASK (0xFFF<<2)
  63. #define KIRKWOOD_DCO_CTL_OFFSET_0 (0x800<<2)
  64. #define KIRKWOOD_DCO_CTL_FREQ_MASK (3<<0)
  65. #define KIRKWOOD_DCO_CTL_FREQ_11 (0<<0)
  66. #define KIRKWOOD_DCO_CTL_FREQ_12 (1<<0)
  67. #define KIRKWOOD_DCO_CTL_FREQ_24 (2<<0)
  68. #define KIRKWOOD_DCO_SPCR_STATUS 0x120c
  69. #define KIRKWOOD_DCO_SPCR_STATUS_DCO_LOCK (1<<16)
  70. #define KIRKWOOD_CLOCKS_CTRL 0x1230
  71. #define KIRKWOOD_MCLK_SOURCE_MASK (3<<0)
  72. #define KIRKWOOD_MCLK_SOURCE_DCO (0<<0)
  73. #define KIRKWOOD_MCLK_SOURCE_EXTCLK (3<<0)
  74. #define KIRKWOOD_ERR_CAUSE 0x1300
  75. #define KIRKWOOD_ERR_MASK 0x1304
  76. #define KIRKWOOD_INT_CAUSE 0x1308
  77. #define KIRKWOOD_INT_MASK 0x130C
  78. #define KIRKWOOD_INT_CAUSE_PLAY_BYTES (1<<14)
  79. #define KIRKWOOD_INT_CAUSE_REC_BYTES (1<<13)
  80. #define KIRKWOOD_INT_CAUSE_DMA_PLAY_END (1<<7)
  81. #define KIRKWOOD_INT_CAUSE_DMA_PLAY_3Q (1<<6)
  82. #define KIRKWOOD_INT_CAUSE_DMA_PLAY_HALF (1<<5)
  83. #define KIRKWOOD_INT_CAUSE_DMA_PLAY_1Q (1<<4)
  84. #define KIRKWOOD_INT_CAUSE_DMA_REC_END (1<<3)
  85. #define KIRKWOOD_INT_CAUSE_DMA_REC_3Q (1<<2)
  86. #define KIRKWOOD_INT_CAUSE_DMA_REC_HALF (1<<1)
  87. #define KIRKWOOD_INT_CAUSE_DMA_REC_1Q (1<<0)
  88. #define KIRKWOOD_REC_BYTE_INT_COUNT 0x1310
  89. #define KIRKWOOD_PLAY_BYTE_INT_COUNT 0x1314
  90. #define KIRKWOOD_BYTE_INT_COUNT_MASK 0xffffff
  91. #define KIRKWOOD_I2S_PLAYCTL 0x2508
  92. #define KIRKWOOD_I2S_RECCTL 0x2408
  93. #define KIRKWOOD_I2S_CTL_JUST_MASK (0xf<<26)
  94. #define KIRKWOOD_I2S_CTL_LJ (0<<26)
  95. #define KIRKWOOD_I2S_CTL_I2S (5<<26)
  96. #define KIRKWOOD_I2S_CTL_RJ (8<<26)
  97. #define KIRKWOOD_I2S_CTL_SIZE_MASK (3<<30)
  98. #define KIRKWOOD_I2S_CTL_SIZE_16 (3<<30)
  99. #define KIRKWOOD_I2S_CTL_SIZE_20 (2<<30)
  100. #define KIRKWOOD_I2S_CTL_SIZE_24 (1<<30)
  101. #define KIRKWOOD_I2S_CTL_SIZE_32 (0<<30)
  102. #define KIRKWOOD_AUDIO_BUF_MAX (16*1024*1024)
  103. /* Theses values come from the marvell alsa driver */
  104. /* need to find where they come from */
  105. #define KIRKWOOD_SND_MIN_PERIODS 2
  106. #define KIRKWOOD_SND_MAX_PERIODS 16
  107. #define KIRKWOOD_SND_MIN_PERIOD_BYTES 256
  108. #define KIRKWOOD_SND_MAX_PERIOD_BYTES 0x8000
  109. #define KIRKWOOD_SND_MAX_BUFFER_BYTES (KIRKWOOD_SND_MAX_PERIOD_BYTES \
  110. * KIRKWOOD_SND_MAX_PERIODS)
  111. struct kirkwood_dma_data {
  112. void __iomem *io;
  113. struct clk *clk;
  114. struct clk *extclk;
  115. uint32_t ctl_play;
  116. uint32_t ctl_rec;
  117. struct snd_pcm_substream *substream_play;
  118. struct snd_pcm_substream *substream_rec;
  119. int irq;
  120. int burst;
  121. };
  122. extern const struct snd_soc_component_driver kirkwood_soc_component;
  123. #endif