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Diffstat (limited to 'sound/soc/blackfin/bf5xx-i2s.c')
-rw-r--r--sound/soc/blackfin/bf5xx-i2s.c172
1 files changed, 73 insertions, 99 deletions
diff --git a/sound/soc/blackfin/bf5xx-i2s.c b/sound/soc/blackfin/bf5xx-i2s.c
index d453b1e9d607..00cc3e00b2fe 100644
--- a/sound/soc/blackfin/bf5xx-i2s.c
+++ b/sound/soc/blackfin/bf5xx-i2s.c
@@ -51,59 +51,24 @@ struct bf5xx_i2s_port {
51 int configured; 51 int configured;
52}; 52};
53 53
54static struct bf5xx_i2s_port bf5xx_i2s;
55static int sport_num = CONFIG_SND_BF5XX_SPORT_NUM;
56
57static struct sport_param sport_params[2] = {
58 {
59 .dma_rx_chan = CH_SPORT0_RX,
60 .dma_tx_chan = CH_SPORT0_TX,
61 .err_irq = IRQ_SPORT0_ERROR,
62 .regs = (struct sport_register *)SPORT0_TCR1,
63 },
64 {
65 .dma_rx_chan = CH_SPORT1_RX,
66 .dma_tx_chan = CH_SPORT1_TX,
67 .err_irq = IRQ_SPORT1_ERROR,
68 .regs = (struct sport_register *)SPORT1_TCR1,
69 }
70};
71
72/*
73 * Setting the TFS pin selector for SPORT 0 based on whether the selected
74 * port id F or G. If the port is F then no conflict should exist for the
75 * TFS. When Port G is selected and EMAC then there is a conflict between
76 * the PHY interrupt line and TFS. Current settings prevent the conflict
77 * by ignoring the TFS pin when Port G is selected. This allows both
78 * codecs and EMAC using Port G concurrently.
79 */
80#ifdef CONFIG_BF527_SPORT0_PORTG
81#define LOCAL_SPORT0_TFS (0)
82#else
83#define LOCAL_SPORT0_TFS (P_SPORT0_TFS)
84#endif
85
86static u16 sport_req[][7] = { {P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
87 P_SPORT0_DRPRI, P_SPORT0_RSCLK, LOCAL_SPORT0_TFS, 0},
88 {P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS, P_SPORT1_DRPRI,
89 P_SPORT1_RSCLK, P_SPORT1_TFS, 0} };
90
91static int bf5xx_i2s_set_dai_fmt(struct snd_soc_dai *cpu_dai, 54static int bf5xx_i2s_set_dai_fmt(struct snd_soc_dai *cpu_dai,
92 unsigned int fmt) 55 unsigned int fmt)
93{ 56{
57 struct sport_device *sport_handle = snd_soc_dai_get_drvdata(cpu_dai);
58 struct bf5xx_i2s_port *bf5xx_i2s = sport_handle->private_data;
94 int ret = 0; 59 int ret = 0;
95 60
96 /* interface format:support I2S,slave mode */ 61 /* interface format:support I2S,slave mode */
97 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 62 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
98 case SND_SOC_DAIFMT_I2S: 63 case SND_SOC_DAIFMT_I2S:
99 bf5xx_i2s.tcr1 |= TFSR | TCKFE; 64 bf5xx_i2s->tcr1 |= TFSR | TCKFE;
100 bf5xx_i2s.rcr1 |= RFSR | RCKFE; 65 bf5xx_i2s->rcr1 |= RFSR | RCKFE;
101 bf5xx_i2s.tcr2 |= TSFSE; 66 bf5xx_i2s->tcr2 |= TSFSE;
102 bf5xx_i2s.rcr2 |= RSFSE; 67 bf5xx_i2s->rcr2 |= RSFSE;
103 break; 68 break;
104 case SND_SOC_DAIFMT_DSP_A: 69 case SND_SOC_DAIFMT_DSP_A:
105 bf5xx_i2s.tcr1 |= TFSR; 70 bf5xx_i2s->tcr1 |= TFSR;
106 bf5xx_i2s.rcr1 |= RFSR; 71 bf5xx_i2s->rcr1 |= RFSR;
107 break; 72 break;
108 case SND_SOC_DAIFMT_LEFT_J: 73 case SND_SOC_DAIFMT_LEFT_J:
109 ret = -EINVAL; 74 ret = -EINVAL;
@@ -135,29 +100,35 @@ static int bf5xx_i2s_hw_params(struct snd_pcm_substream *substream,
135 struct snd_pcm_hw_params *params, 100 struct snd_pcm_hw_params *params,
136 struct snd_soc_dai *dai) 101 struct snd_soc_dai *dai)
137{ 102{
103 struct sport_device *sport_handle = snd_soc_dai_get_drvdata(dai);
104 struct bf5xx_i2s_port *bf5xx_i2s = sport_handle->private_data;
138 int ret = 0; 105 int ret = 0;
139 106
140 bf5xx_i2s.tcr2 &= ~0x1f; 107 bf5xx_i2s->tcr2 &= ~0x1f;
141 bf5xx_i2s.rcr2 &= ~0x1f; 108 bf5xx_i2s->rcr2 &= ~0x1f;
142 switch (params_format(params)) { 109 switch (params_format(params)) {
110 case SNDRV_PCM_FORMAT_S8:
111 bf5xx_i2s->tcr2 |= 7;
112 bf5xx_i2s->rcr2 |= 7;
113 sport_handle->wdsize = 1;
143 case SNDRV_PCM_FORMAT_S16_LE: 114 case SNDRV_PCM_FORMAT_S16_LE:
144 bf5xx_i2s.tcr2 |= 15; 115 bf5xx_i2s->tcr2 |= 15;
145 bf5xx_i2s.rcr2 |= 15; 116 bf5xx_i2s->rcr2 |= 15;
146 sport_handle->wdsize = 2; 117 sport_handle->wdsize = 2;
147 break; 118 break;
148 case SNDRV_PCM_FORMAT_S24_LE: 119 case SNDRV_PCM_FORMAT_S24_LE:
149 bf5xx_i2s.tcr2 |= 23; 120 bf5xx_i2s->tcr2 |= 23;
150 bf5xx_i2s.rcr2 |= 23; 121 bf5xx_i2s->rcr2 |= 23;
151 sport_handle->wdsize = 3; 122 sport_handle->wdsize = 3;
152 break; 123 break;
153 case SNDRV_PCM_FORMAT_S32_LE: 124 case SNDRV_PCM_FORMAT_S32_LE:
154 bf5xx_i2s.tcr2 |= 31; 125 bf5xx_i2s->tcr2 |= 31;
155 bf5xx_i2s.rcr2 |= 31; 126 bf5xx_i2s->rcr2 |= 31;
156 sport_handle->wdsize = 4; 127 sport_handle->wdsize = 4;
157 break; 128 break;
158 } 129 }
159 130
160 if (!bf5xx_i2s.configured) { 131 if (!bf5xx_i2s->configured) {
161 /* 132 /*
162 * TX and RX are not independent,they are enabled at the 133 * TX and RX are not independent,they are enabled at the
163 * same time, even if only one side is running. So, we 134 * same time, even if only one side is running. So, we
@@ -166,16 +137,16 @@ static int bf5xx_i2s_hw_params(struct snd_pcm_substream *substream,
166 * 137 *
167 * CPU DAI:slave mode. 138 * CPU DAI:slave mode.
168 */ 139 */
169 bf5xx_i2s.configured = 1; 140 bf5xx_i2s->configured = 1;
170 ret = sport_config_rx(sport_handle, bf5xx_i2s.rcr1, 141 ret = sport_config_rx(sport_handle, bf5xx_i2s->rcr1,
171 bf5xx_i2s.rcr2, 0, 0); 142 bf5xx_i2s->rcr2, 0, 0);
172 if (ret) { 143 if (ret) {
173 pr_err("SPORT is busy!\n"); 144 pr_err("SPORT is busy!\n");
174 return -EBUSY; 145 return -EBUSY;
175 } 146 }
176 147
177 ret = sport_config_tx(sport_handle, bf5xx_i2s.tcr1, 148 ret = sport_config_tx(sport_handle, bf5xx_i2s->tcr1,
178 bf5xx_i2s.tcr2, 0, 0); 149 bf5xx_i2s->tcr2, 0, 0);
179 if (ret) { 150 if (ret) {
180 pr_err("SPORT is busy!\n"); 151 pr_err("SPORT is busy!\n");
181 return -EBUSY; 152 return -EBUSY;
@@ -188,41 +159,19 @@ static int bf5xx_i2s_hw_params(struct snd_pcm_substream *substream,
188static void bf5xx_i2s_shutdown(struct snd_pcm_substream *substream, 159static void bf5xx_i2s_shutdown(struct snd_pcm_substream *substream,
189 struct snd_soc_dai *dai) 160 struct snd_soc_dai *dai)
190{ 161{
162 struct sport_device *sport_handle = snd_soc_dai_get_drvdata(dai);
163 struct bf5xx_i2s_port *bf5xx_i2s = sport_handle->private_data;
164
191 pr_debug("%s enter\n", __func__); 165 pr_debug("%s enter\n", __func__);
192 /* No active stream, SPORT is allowed to be configured again. */ 166 /* No active stream, SPORT is allowed to be configured again. */
193 if (!dai->active) 167 if (!dai->active)
194 bf5xx_i2s.configured = 0; 168 bf5xx_i2s->configured = 0;
195}
196
197static int bf5xx_i2s_probe(struct snd_soc_dai *dai)
198{
199 pr_debug("%s enter\n", __func__);
200 if (peripheral_request_list(&sport_req[sport_num][0], "soc-audio")) {
201 pr_err("Requesting Peripherals failed\n");
202 return -EFAULT;
203 }
204
205 /* request DMA for SPORT */
206 sport_handle = sport_init(&sport_params[sport_num], 4, \
207 2 * sizeof(u32), NULL);
208 if (!sport_handle) {
209 peripheral_free_list(&sport_req[sport_num][0]);
210 return -ENODEV;
211 }
212
213 return 0;
214}
215
216static int bf5xx_i2s_remove(struct snd_soc_dai *dai)
217{
218 pr_debug("%s enter\n", __func__);
219 peripheral_free_list(&sport_req[sport_num][0]);
220 return 0;
221} 169}
222 170
223#ifdef CONFIG_PM 171#ifdef CONFIG_PM
224static int bf5xx_i2s_suspend(struct snd_soc_dai *dai) 172static int bf5xx_i2s_suspend(struct snd_soc_dai *dai)
225{ 173{
174 struct sport_device *sport_handle = snd_soc_dai_get_drvdata(dai);
226 175
227 pr_debug("%s : sport %d\n", __func__, dai->id); 176 pr_debug("%s : sport %d\n", __func__, dai->id);
228 177
@@ -235,19 +184,21 @@ static int bf5xx_i2s_suspend(struct snd_soc_dai *dai)
235 184
236static int bf5xx_i2s_resume(struct snd_soc_dai *dai) 185static int bf5xx_i2s_resume(struct snd_soc_dai *dai)
237{ 186{
187 struct sport_device *sport_handle = snd_soc_dai_get_drvdata(dai);
188 struct bf5xx_i2s_port *bf5xx_i2s = sport_handle->private_data;
238 int ret; 189 int ret;
239 190
240 pr_debug("%s : sport %d\n", __func__, dai->id); 191 pr_debug("%s : sport %d\n", __func__, dai->id);
241 192
242 ret = sport_config_rx(sport_handle, bf5xx_i2s.rcr1, 193 ret = sport_config_rx(sport_handle, bf5xx_i2s->rcr1,
243 bf5xx_i2s.rcr2, 0, 0); 194 bf5xx_i2s->rcr2, 0, 0);
244 if (ret) { 195 if (ret) {
245 pr_err("SPORT is busy!\n"); 196 pr_err("SPORT is busy!\n");
246 return -EBUSY; 197 return -EBUSY;
247 } 198 }
248 199
249 ret = sport_config_tx(sport_handle, bf5xx_i2s.tcr1, 200 ret = sport_config_tx(sport_handle, bf5xx_i2s->tcr1,
250 bf5xx_i2s.tcr2, 0, 0); 201 bf5xx_i2s->tcr2, 0, 0);
251 if (ret) { 202 if (ret) {
252 pr_err("SPORT is busy!\n"); 203 pr_err("SPORT is busy!\n");
253 return -EBUSY; 204 return -EBUSY;
@@ -266,8 +217,11 @@ static int bf5xx_i2s_resume(struct snd_soc_dai *dai)
266 SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | \ 217 SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | \
267 SNDRV_PCM_RATE_96000) 218 SNDRV_PCM_RATE_96000)
268 219
269#define BF5XX_I2S_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE |\ 220#define BF5XX_I2S_FORMATS \
270 SNDRV_PCM_FMTBIT_S32_LE) 221 (SNDRV_PCM_FMTBIT_S8 | \
222 SNDRV_PCM_FMTBIT_S16_LE | \
223 SNDRV_PCM_FMTBIT_S24_LE | \
224 SNDRV_PCM_FMTBIT_S32_LE)
271 225
272static struct snd_soc_dai_ops bf5xx_i2s_dai_ops = { 226static struct snd_soc_dai_ops bf5xx_i2s_dai_ops = {
273 .shutdown = bf5xx_i2s_shutdown, 227 .shutdown = bf5xx_i2s_shutdown,
@@ -276,8 +230,6 @@ static struct snd_soc_dai_ops bf5xx_i2s_dai_ops = {
276}; 230};
277 231
278static struct snd_soc_dai_driver bf5xx_i2s_dai = { 232static struct snd_soc_dai_driver bf5xx_i2s_dai = {
279 .probe = bf5xx_i2s_probe,
280 .remove = bf5xx_i2s_remove,
281 .suspend = bf5xx_i2s_suspend, 233 .suspend = bf5xx_i2s_suspend,
282 .resume = bf5xx_i2s_resume, 234 .resume = bf5xx_i2s_resume,
283 .playback = { 235 .playback = {
@@ -293,23 +245,45 @@ static struct snd_soc_dai_driver bf5xx_i2s_dai = {
293 .ops = &bf5xx_i2s_dai_ops, 245 .ops = &bf5xx_i2s_dai_ops,
294}; 246};
295 247
296static int bfin_i2s_drv_probe(struct platform_device *pdev) 248static int __devinit bf5xx_i2s_probe(struct platform_device *pdev)
297{ 249{
298 return snd_soc_register_dai(&pdev->dev, &bf5xx_i2s_dai); 250 struct sport_device *sport_handle;
251 int ret;
252
253 /* configure SPORT for I2S */
254 sport_handle = sport_init(pdev, 4, 2 * sizeof(u32),
255 sizeof(struct bf5xx_i2s_port));
256 if (!sport_handle)
257 return -ENODEV;
258
259 /* register with the ASoC layers */
260 ret = snd_soc_register_dai(&pdev->dev, &bf5xx_i2s_dai);
261 if (ret) {
262 pr_err("Failed to register DAI: %d\n", ret);
263 sport_done(sport_handle);
264 return ret;
265 }
266
267 return 0;
299} 268}
300 269
301static int __devexit bfin_i2s_drv_remove(struct platform_device *pdev) 270static int __devexit bf5xx_i2s_remove(struct platform_device *pdev)
302{ 271{
272 struct sport_device *sport_handle = platform_get_drvdata(pdev);
273
274 pr_debug("%s enter\n", __func__);
275
303 snd_soc_unregister_dai(&pdev->dev); 276 snd_soc_unregister_dai(&pdev->dev);
277 sport_done(sport_handle);
278
304 return 0; 279 return 0;
305} 280}
306 281
307static struct platform_driver bfin_i2s_driver = { 282static struct platform_driver bfin_i2s_driver = {
308 .probe = bfin_i2s_drv_probe, 283 .probe = bf5xx_i2s_probe,
309 .remove = __devexit_p(bfin_i2s_drv_remove), 284 .remove = __devexit_p(bf5xx_i2s_remove),
310
311 .driver = { 285 .driver = {
312 .name = "bf5xx-i2s", 286 .name = "bfin-i2s",
313 .owner = THIS_MODULE, 287 .owner = THIS_MODULE,
314 }, 288 },
315}; 289};