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android_kernel_...
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sound
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pci
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echoaudio
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darla20.c

darla20.c 2.2 KB
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  1. // SPDX-License-Identifier: GPL-2.0-only
    2. 

  2. /*
    3. 

  3.  *  ALSA driver for Echoaudio soundcards.
    4. 

  4.  *  Copyright (C) 2003-2004 Giuliano Pochini <[email protected]>
    5. 

  5.  */
    6. 

  6. 

  7. #define ECHOGALS_FAMILY
    8. 

  8. #define ECHOCARD_DARLA20
    9. 

  9. #define ECHOCARD_NAME "Darla20"
    10. 

  10. #define ECHOCARD_HAS_MONITOR
    11. 

  11. 

  12. /* Pipe indexes */
    13. 

  13. #define PX_ANALOG_OUT	0	/* 8 */
    14. 

  14. #define PX_DIGITAL_OUT	8	/* 0 */
    15. 

  15. #define PX_ANALOG_IN	8	/* 2 */
    16. 

  16. #define PX_DIGITAL_IN	10	/* 0 */
    17. 

  17. #define PX_NUM		10
    18. 

  18. 

  19. /* Bus indexes */
    20. 

  20. #define BX_ANALOG_OUT	0	/* 8 */
    21. 

  21. #define BX_DIGITAL_OUT	8	/* 0 */
    22. 

  22. #define BX_ANALOG_IN	8	/* 2 */
    23. 

  23. #define BX_DIGITAL_IN	10	/* 0 */
    24. 

  24. #define BX_NUM		10
    25. 

  25. 

  26. 

  27. #include <linux/delay.h>
    28. 

  28. #include <linux/init.h>
    29. 

  29. #include <linux/interrupt.h>
    30. 

  30. #include <linux/pci.h>
    31. 

  31. #include <linux/module.h>
    32. 

  32. #include <linux/firmware.h>
    33. 

  33. #include <linux/slab.h>
    34. 

  34. #include <linux/io.h>
    35. 

  35. #include <sound/core.h>
    36. 

  36. #include <sound/info.h>
    37. 

  37. #include <sound/control.h>
    38. 

  38. #include <sound/tlv.h>
    39. 

  39. #include <sound/pcm.h>
    40. 

  40. #include <sound/pcm_params.h>
    41. 

  41. #include <sound/asoundef.h>
    42. 

  42. #include <sound/initval.h>
    43. 

  43. #include <linux/atomic.h>
    44. 

  44. #include "echoaudio.h"
    45. 

  45. 

  46. MODULE_FIRMWARE("ea/darla20_dsp.fw");
    47. 

  47. 

  48. #define FW_DARLA20_DSP	0
    49. 

  49. 

  50. static const struct firmware card_fw[] = {
    51. 

  51. 	{0, "darla20_dsp.fw"}
    52. 

  52. };
    53. 

  53. 

  54. static const struct pci_device_id snd_echo_ids[] = {
    55. 

  55. 	{0x1057, 0x1801, 0xECC0, 0x0010, 0, 0, 0},	/* DSP 56301 Darla20 rev.0 */
    56. 

  56. 	{0,}
    57. 

  57. };
    58. 

  58. 

  59. static const struct snd_pcm_hardware pcm_hardware_skel = {
    60. 

  60. 	.info = SNDRV_PCM_INFO_MMAP |
    61. 

  61. 		SNDRV_PCM_INFO_INTERLEAVED |
    62. 

  62. 		SNDRV_PCM_INFO_BLOCK_TRANSFER |
    63. 

  63. 		SNDRV_PCM_INFO_MMAP_VALID |
    64. 

  64. 		SNDRV_PCM_INFO_PAUSE |
    65. 

  65. 		SNDRV_PCM_INFO_SYNC_START,
    66. 

  66. 	.formats =	SNDRV_PCM_FMTBIT_U8 |
    67. 

  67. 			SNDRV_PCM_FMTBIT_S16_LE |
    68. 

  68. 			SNDRV_PCM_FMTBIT_S24_3LE |
    69. 

  69. 			SNDRV_PCM_FMTBIT_S32_LE |
    70. 

  70. 			SNDRV_PCM_FMTBIT_S32_BE,
    71. 

  71. 	.rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000,
    72. 

  72. 	.rate_min = 44100,
    73. 

  73. 	.rate_max = 48000,
    74. 

  74. 	.channels_min = 1,
    75. 

  75. 	.channels_max = 2,
    76. 

  76. 	.buffer_bytes_max = 262144,
    77. 

  77. 	.period_bytes_min = 32,
    78. 

  78. 	.period_bytes_max = 131072,
    79. 

  79. 	.periods_min = 2,
    80. 

  80. 	.periods_max = 220,
    81. 

  81. 	/* One page (4k) contains 512 instructions. I don't know if the hw
    82. 

  82. 	supports lists longer than this. In this case periods_max=220 is a
    83. 

  83. 	safe limit to make sure the list never exceeds 512 instructions. */
    84. 

  84. };
    85. 

  85. 

  86. 

  87. #include "darla20_dsp.c"
    88. 

  88. #include "echoaudio_dsp.c"
    89. 

  89. #include "echoaudio.c"
    90.