Lines Matching refs:se
14 #include <linux/qcom-geni-se.h>
177 * @se: Pointer to the corresponding serial engine.
181 u32 geni_se_get_qup_hw_version(struct geni_se *se)
183 struct geni_wrapper *wrapper = se->wrapper;
222 static void geni_se_irq_clear(struct geni_se *se)
224 writel_relaxed(0, se->base + SE_GSI_EVENT_EN);
225 writel_relaxed(0xffffffff, se->base + SE_GENI_M_IRQ_CLEAR);
226 writel_relaxed(0xffffffff, se->base + SE_GENI_S_IRQ_CLEAR);
227 writel_relaxed(0xffffffff, se->base + SE_DMA_TX_IRQ_CLR);
228 writel_relaxed(0xffffffff, se->base + SE_DMA_RX_IRQ_CLR);
229 writel_relaxed(0xffffffff, se->base + SE_IRQ_EN);
234 * @se: Pointer to the concerned serial engine.
241 void geni_se_init(struct geni_se *se, u32 rx_wm, u32 rx_rfr)
245 geni_se_irq_clear(se);
246 geni_se_io_init(se->base);
247 geni_se_io_set_mode(se->base);
249 writel_relaxed(rx_wm, se->base + SE_GENI_RX_WATERMARK_REG);
250 writel_relaxed(rx_rfr, se->base + SE_GENI_RX_RFR_WATERMARK_REG);
252 val = readl_relaxed(se->base + SE_GENI_M_IRQ_EN);
254 writel_relaxed(val, se->base + SE_GENI_M_IRQ_EN);
256 val = readl_relaxed(se->base + SE_GENI_S_IRQ_EN);
258 writel_relaxed(val, se->base + SE_GENI_S_IRQ_EN);
262 static void geni_se_select_fifo_mode(struct geni_se *se)
264 u32 proto = geni_se_read_proto(se);
267 geni_se_irq_clear(se);
269 val = readl_relaxed(se->base + SE_GENI_M_IRQ_EN);
274 writel_relaxed(val, se->base + SE_GENI_M_IRQ_EN);
276 val = readl_relaxed(se->base + SE_GENI_S_IRQ_EN);
279 writel_relaxed(val, se->base + SE_GENI_S_IRQ_EN);
281 val = readl_relaxed(se->base + SE_GENI_DMA_MODE_EN);
283 writel_relaxed(val, se->base + SE_GENI_DMA_MODE_EN);
286 static void geni_se_select_dma_mode(struct geni_se *se)
288 u32 proto = geni_se_read_proto(se);
291 geni_se_irq_clear(se);
293 val = readl_relaxed(se->base + SE_GENI_M_IRQ_EN);
298 writel_relaxed(val, se->base + SE_GENI_M_IRQ_EN);
300 val = readl_relaxed(se->base + SE_GENI_S_IRQ_EN);
303 writel_relaxed(val, se->base + SE_GENI_S_IRQ_EN);
305 val = readl_relaxed(se->base + SE_GENI_DMA_MODE_EN);
307 writel_relaxed(val, se->base + SE_GENI_DMA_MODE_EN);
312 * @se: Pointer to the concerned serial engine.
315 void geni_se_select_mode(struct geni_se *se, enum geni_se_xfer_mode mode)
321 geni_se_select_fifo_mode(se);
324 geni_se_select_dma_mode(se);
385 * @se: Pointer to the concerned serial engine
395 void geni_se_config_packing(struct geni_se *se, int bpw, int pack_words,
430 writel_relaxed(cfg0, se->base + SE_GENI_TX_PACKING_CFG0);
431 writel_relaxed(cfg1, se->base + SE_GENI_TX_PACKING_CFG1);
434 writel_relaxed(cfg0, se->base + SE_GENI_RX_PACKING_CFG0);
435 writel_relaxed(cfg1, se->base + SE_GENI_RX_PACKING_CFG1);
446 writel_relaxed(bpw / 16, se->base + SE_GENI_BYTE_GRAN);
450 static void geni_se_clks_off(struct geni_se *se)
452 struct geni_wrapper *wrapper = se->wrapper;
454 clk_disable_unprepare(se->clk);
462 * @se: Pointer to the concerned serial engine.
466 int geni_se_resources_off(struct geni_se *se)
470 if (has_acpi_companion(se->dev))
473 ret = pinctrl_pm_select_sleep_state(se->dev);
477 geni_se_clks_off(se);
482 static int geni_se_clks_on(struct geni_se *se)
485 struct geni_wrapper *wrapper = se->wrapper;
492 ret = clk_prepare_enable(se->clk);
502 * @se: Pointer to the concerned serial engine.
506 int geni_se_resources_on(struct geni_se *se)
510 if (has_acpi_companion(se->dev))
513 ret = geni_se_clks_on(se);
517 ret = pinctrl_pm_select_default_state(se->dev);
519 geni_se_clks_off(se);
527 * @se: Pointer to the concerned serial engine.
538 int geni_se_clk_tbl_get(struct geni_se *se, unsigned long **tbl)
543 if (se->clk_perf_tbl) {
544 *tbl = se->clk_perf_tbl;
545 return se->num_clk_levels;
548 se->clk_perf_tbl = devm_kcalloc(se->dev, MAX_CLK_PERF_LEVEL,
549 sizeof(*se->clk_perf_tbl),
551 if (!se->clk_perf_tbl)
555 freq = clk_round_rate(se->clk, freq + 1);
556 if (freq <= 0 || freq == se->clk_perf_tbl[i - 1])
558 se->clk_perf_tbl[i] = freq;
560 se->num_clk_levels = i;
561 *tbl = se->clk_perf_tbl;
562 return se->num_clk_levels;
568 * @se: Pointer to the concerned serial engine.
585 int geni_se_clk_freq_match(struct geni_se *se, unsigned long req_freq,
596 num_clk_levels = geni_se_clk_tbl_get(se, &tbl);
634 * @se: Pointer to the concerned serial engine.
643 int geni_se_tx_dma_prep(struct geni_se *se, void *buf, size_t len,
646 struct geni_wrapper *wrapper = se->wrapper;
659 writel_relaxed(val, se->base + SE_DMA_TX_IRQ_EN_SET);
660 writel_relaxed(lower_32_bits(*iova), se->base + SE_DMA_TX_PTR_L);
661 writel_relaxed(upper_32_bits(*iova), se->base + SE_DMA_TX_PTR_H);
662 writel_relaxed(GENI_SE_DMA_EOT_BUF, se->base + SE_DMA_TX_ATTR);
663 writel(len, se->base + SE_DMA_TX_LEN);
670 * @se: Pointer to the concerned serial engine.
679 int geni_se_rx_dma_prep(struct geni_se *se, void *buf, size_t len,
682 struct geni_wrapper *wrapper = se->wrapper;
695 writel_relaxed(val, se->base + SE_DMA_RX_IRQ_EN_SET);
696 writel_relaxed(lower_32_bits(*iova), se->base + SE_DMA_RX_PTR_L);
697 writel_relaxed(upper_32_bits(*iova), se->base + SE_DMA_RX_PTR_H);
699 writel_relaxed(0, se->base + SE_DMA_RX_ATTR);
700 writel(len, se->base + SE_DMA_RX_LEN);
707 * @se: Pointer to the concerned serial engine.
713 void geni_se_tx_dma_unprep(struct geni_se *se, dma_addr_t iova, size_t len)
715 struct geni_wrapper *wrapper = se->wrapper;
724 * @se: Pointer to the concerned serial engine.
730 void geni_se_rx_dma_unprep(struct geni_se *se, dma_addr_t iova, size_t len)
732 struct geni_wrapper *wrapper = se->wrapper;
739 int geni_icc_get(struct geni_se *se, const char *icc_ddr)
744 if (has_acpi_companion(se->dev))
747 for (i = 0; i < ARRAY_SIZE(se->icc_paths); i++) {
751 se->icc_paths[i].path = devm_of_icc_get(se->dev, icc_names[i]);
752 if (IS_ERR(se->icc_paths[i].path))
759 err = PTR_ERR(se->icc_paths[i].path);
761 dev_err_ratelimited(se->dev, "Failed to get ICC path '%s': %d\n",
768 int geni_icc_set_bw(struct geni_se *se)
772 for (i = 0; i < ARRAY_SIZE(se->icc_paths); i++) {
773 ret = icc_set_bw(se->icc_paths[i].path,
774 se->icc_paths[i].avg_bw, se->icc_paths[i].avg_bw);
776 dev_err_ratelimited(se->dev, "ICC BW voting failed on path '%s': %d\n",
786 void geni_icc_set_tag(struct geni_se *se, u32 tag)
790 for (i = 0; i < ARRAY_SIZE(se->icc_paths); i++)
791 icc_set_tag(se->icc_paths[i].path, tag);
796 int geni_icc_enable(struct geni_se *se)
800 for (i = 0; i < ARRAY_SIZE(se->icc_paths); i++) {
801 ret = icc_enable(se->icc_paths[i].path);
803 dev_err_ratelimited(se->dev, "ICC enable failed on path '%s': %d\n",
813 int geni_icc_disable(struct geni_se *se)
817 for (i = 0; i < ARRAY_SIZE(se->icc_paths); i++) {
818 ret = icc_disable(se->icc_paths[i].path);
820 dev_err_ratelimited(se->dev, "ICC disable failed on path '%s': %d\n",
863 { .compatible = "qcom,geni-se-qup", },